Automatic detection grouping machine for inner ring of movable end section of transmission shaft

文档序号：1873831 发布日期：2021-11-23 浏览：25次中文

阅读说明：本技术 传动轴移动端节内环自动检测分组机 (Automatic detection grouping machine for inner ring of movable end section of transmission shaft ) 是由孟祥龙庞云鹤李德江戴鹏何宇亭于 2021-08-12 设计创作，主要内容包括：传动轴移动端节内环自动检测分组机,用于对移动端节内环进行自动检测和分组,其机架上设有控制器、内环抓取装置、球道检测装置、内环分组装置、内环调角装置、内环翻转装置、内环上料装置等,球道检测装置中与内环六个球道相对的检测钢球与对应球道接触后,获得三组相对两个钢球之间的中心距离数值,将三组数值传输给控制器,控制器计算三组数值中的最大值、最小值或平均值,并根据标准值进行比较,最终判定被测内环的组别,最后通过内环分组装置将内环归组收纳,该分组机能够对内环进行自动检测和分组,其检测分组准确且检测效率高。(A transmission shaft moving end section inner ring automatic detection grouping machine is used for automatically detecting and grouping inner rings of moving end sections, a controller, an inner ring grabbing device, a ball channel detection device, an inner ring grouping device, an inner ring angle adjusting device, an inner ring overturning device, an inner ring feeding device and the like are arranged on a rack of the machine, after detection steel balls in the ball channel detection device, which are opposite to six ball channels of an inner ring, are contacted with corresponding ball channels, central distance values between three groups of two opposite steel balls are obtained, the three groups of values are transmitted to the controller, the controller calculates the maximum value, the minimum value or the average value of the three groups of values, compares the maximum value, the minimum value or the average value according to a standard value, finally judges the group of the detected inner ring, and finally groups and stores the inner ring through the inner ring grouping device.)

1. Transmission shaft removes end section inner ring automated inspection and divides grouping machine, including the frame, its characterized in that: be equipped with controller, inner ring grabbing device, lane detection device, inner ring grouping device in the frame, wherein:

the inner ring grabbing device comprises a power rotating shaft and a grabbing mechanism, and a shaft body of the power rotating shaft is rotatably connected with the rack; the grabbing mechanism comprises a cross arm, one end of the cross arm is fixedly connected with the power rotating shaft, the other end of the cross arm is provided with a vertical lifting sliding table, the fixed end of the vertical lifting sliding table is fixedly connected with the cross arm, the moving end of the vertical lifting sliding table is provided with a chuck, and the bottom surface of the chuck is provided with an internal support type power clamping claw which can be synchronously opened and closed;

the ball path detection device comprises a shelving platform fixedly connected with a rack, a first horizontal plane for lifting an inner ring is arranged at the top of the shelving platform, six sets of steel ball checking mechanisms are uniformly distributed along the periphery of the vertical line of the shelving platform, each set of steel ball checking mechanism comprises a base, and a displacement sensor and a sliding rod are fixedly arranged on each base; the quantity of the slide bars on each base is two, the two slide bars are arranged up and down along the vertical direction, two ends of each slide bar are fixedly connected with the corresponding base, the axial lead of each slide bar is perpendicular to the vertical lead of the shelving platform, each base is also provided with a slide block, each slide block is provided with two slide holes corresponding to the two slide bars, each slide block is in reciprocating sliding connection with the two slide bars on the corresponding base through the two slide holes, a spring for driving the slide block to move towards the vertical center line direction of the shelving platform is arranged between each slide block and the base, and the elasticity of each spring is the same; each base is fixedly provided with a sliding block telescopic cylinder for driving the sliding block to move towards the direction opposite to the vertical center line of the shelving platform, and the telescopic end of each sliding block telescopic cylinder is movably connected with the corresponding sliding block in a pulling way or in a jacking way; one end of each sliding block facing the vertical line of the shelving platform is fixedly provided with a detection steel ball matched with the inner ring ball channel, and the other end of each sliding block is opposite to the detection end of the displacement sensor on the corresponding base; the shelf is positioned in the moving path of the power claw; six sets of steel ball checking mechanisms: in the two steel ball checking mechanisms which are opposite in position, each sliding rod is connected with the corresponding sliding hole on the sliding block in a linear sliding fit manner; in the other four steel ball checking mechanisms, the sliding rods positioned above are in linear sliding fit connection with the corresponding sliding holes on the sliding block, and the diameter size of the sliding rod positioned below is smaller than that of the corresponding sliding hole on the sliding block;

the inner ring grouping device comprises a grouping conveyor arranged on a rack, a plurality of inclined material grooves arranged on the rack are arranged on one side of the grouping conveyor, one end of each material groove positioned at a low position is a blind end, one end of each material groove positioned at a high position is an open end, and the open end of each material groove is opposite to a conveying belt of the grouping conveyor; the other side of the grouping conveyor is provided with first horizontal telescopic cylinders which are fixedly arranged on the rack and are opposite to the material tanks in the same number and positions, and the telescopic end of each first horizontal telescopic cylinder is opposite to the open end of the corresponding material tank; first vertical telescopic cylinders and first sensors which are fixedly arranged on the rack and correspond to the first horizontal telescopic cylinders in the same number and positions are arranged above the conveying belt, a stop block is fixedly arranged at the telescopic end of each first vertical telescopic cylinder, and the detection end of each first sensor is opposite to the upper surface of the conveying belt of the grouping conveyor; the starting end of the conveying belt of the grouping conveyor is positioned in the moving path of the power claw;

the signal output end of each displacement sensor and the signal output end of each first sensor are connected with the signal input end of the controller through signal wires; the signal input end of the actuator in the grouping conveyor, the signal input end of the actuator in the power rotating shaft, the signal input end of the actuator in the vertical lifting sliding table, the signal input end of the actuator in the power clamping jaw, the signal input end of the actuator in each first horizontal telescopic cylinder, the signal input end of the actuator in each first vertical telescopic cylinder and the signal input end of the actuator in each sliding block telescopic cylinder are connected with the signal output end of the controller through signal lines.

2. The automatic detection and grouping machine for the inner ring of the movable end section of the transmission shaft according to claim 1, wherein: an inner ring angle adjusting device is arranged on the rack and is provided with a rotary table servo motor and an angle adjusting sensor, a machine body of the rotary table servo motor is fixedly connected with the rack, a motor shaft of the rotary table servo motor is fixedly connected with a rotary table, the center of the top plane of the rotary table is fixedly connected with a cylinder which is used for being inserted and positioned with an inner ring spline hole, and the axial lead of the cylinder is superposed with the axial lead of the motor shaft in the rotary table servo motor; the cylinder is positioned in the moving path of the power claw; the angle modulation sensor is fixedly arranged on the frame, the detection end of the angle modulation sensor is opposite to the cylinder, and the signal output end of the angle modulation sensor is connected with the signal input end of the controller through a signal line; the signal input end of an actuator in the turntable servo motor is connected with the signal output end of the controller through a signal wire.

3. The automatic detection and grouping machine for the inner ring of the movable end section of the transmission shaft according to claim 2, wherein: an inner ring overturning device is arranged on the rack and is provided with a power lifting platform, an overturning mechanism and a vision camera; the power lifting platform is provided with a second vertical telescopic cylinder, a cylinder body of the second vertical telescopic cylinder is fixedly connected with the rack, the telescopic end of the second vertical telescopic cylinder is fixedly connected with the lifting platform, and the top end of the lifting platform is provided with a second horizontal plane for placing the inner ring; the power turnover mechanism comprises a base fixedly connected with a rack, a second horizontal telescopic cylinder is fixedly arranged on the base or the rack, a first vertical plate is fixedly arranged at the telescopic end of the second horizontal telescopic cylinder, the first vertical plate is horizontally and slidably connected with the base, a third vertical telescopic cylinder is fixedly arranged on the first vertical plate, a second vertical plate is fixedly arranged at the telescopic end of the third vertical telescopic cylinder, the second vertical plate is vertically and slidably connected with the first vertical plate, a power turntable is arranged on the second vertical plate, the fixed end of the power turntable is fixedly connected with the second vertical plate, a clamping telescopic cylinder is fixedly arranged at the movable end of the power turntable, two synchronously telescopic clamping jaws are respectively arranged at two sides of the clamping telescopic cylinder, the two clamping jaws are transversely and symmetrically arranged, and inner arc concave surfaces corresponding to the outer circular surfaces of the inner rings are arranged on the opposite surfaces of the two clamping jaws; the machine body of the vision camera is fixedly connected with the frame, and the lens of the vision camera is opposite to the gap between the concave surfaces of the inner arcs of the two clamping jaws; the lifting platform is positioned below the concave surfaces of the inner arcs of the two clamping jaws; the cylinder of the top plane of the turntable is positioned in front of the space between the concave surfaces of the inner arcs of the two clamping jaws; the signal output end of the vision camera is connected with the signal input end of the controller through a signal wire; the signal input end of the actuator in the second vertical telescopic cylinder, the signal input end of the actuator in the second horizontal telescopic cylinder, the signal input end of the actuator in the third vertical telescopic cylinder, the signal input end of the actuator in the power turntable and the signal input end of the actuator in the clamping telescopic cylinder are respectively connected with the signal output end of the controller through signal wires.

4. The automatic detection and grouping machine for the inner ring of the movable end section of the transmission shaft according to claim 3, wherein: an inner ring feeding device is arranged on the rack, the device is provided with a feeding conveyor fixedly arranged on the rack, a striker plate is arranged above the tail end of a conveying belt of the feeding conveyor, the striker plate is fixedly connected with the rack, a feeding channel fixedly connected with the rack is arranged on one side of the front end of the striker plate, a third horizontal telescopic cylinder fixedly arranged on the rack is arranged on the other side of the front end of the striker plate, the telescopic end of the third horizontal telescopic cylinder is opposite to the feeding port of the feeding channel, the discharging port of the feeding channel is opposite to a second horizontal plane at the top end of the lifting platform, a second sensor fixedly arranged on the rack is arranged above the front end of the striker plate, and the detection end of the second sensor is opposite to the conveying belt positioned between the third horizontal telescopic cylinder and the feeding channel; the signal output end of the second sensor is connected with the signal input end of the controller through a signal wire; the signal input end of the actuator in the feeding conveyor and the signal input end of the actuator in the third horizontal telescopic cylinder are respectively connected with the signal output end of the controller through signal lines.

5. The automatic detection and grouping machine for the inner ring of the movable end section of the transmission shaft according to claim 1, wherein: fourth vertical telescopic cylinders which are arranged on the rack and are close to the first vertical telescopic cylinders in number and position are arranged above the conveying belt, color mark pens are fixedly arranged at the telescopic ends of the fourth vertical telescopic cylinders, and the color painting ends of the color mark pens are opposite to the conveying belt of the grouping conveyor; and the signal input end of the actuator in each fourth vertical telescopic cylinder is connected with the signal output end of the controller through a signal wire.

6. The automatic detection and grouping machine for the inner ring of the movable end section of the transmission shaft according to claim 1, wherein: among each silo, at least one silo is the defective work silo, is stamped the capping on the notch of defective work silo, is equipped with the latch mechanism between the cell body of capping and silo.

7. The automatic detection and grouping machine for the inner ring of the movable end section of the transmission shaft according to claim 1, wherein: the stand is fixedly arranged on the rack, an inner ring standard part is arranged in the center of the top end plane of the stand, a spline hole of the inner ring standard part faces upwards along one end face provided with a chamfer, the other end face of the inner ring standard part is movably pressed with the top end plane of the stand, a plurality of hemispherical convex blocks are fixedly arranged on the top surface of the stand, each convex block is movably abutted with a corresponding ball channel on the inner ring standard part, and the inner ring standard part is positioned in a moving path of the power clamping jaw.

Technical Field

The invention relates to automatic detection equipment, in particular to an automatic detection grouping machine for an inner ring of a movable end section of a transmission shaft.

Background

The car constant velocity universal joint transmission shaft is composed of a fixed joint, an intermediate shaft and a movable end joint, wherein the movable end joint is an important safety part of the transmission shaft, in the assembly of the movable end joint, the performance of the movable end joint is influenced by the inner ring group, the inner ring group is not proper, the problems of abnormal sound, serious abrasion, low transmission efficiency, short service life and the like of the movable end joint can be caused, and the dissatisfaction of users is caused. The traditional mode of grouping the inner rings is to adopt manual measurement, six ball paths are uniformly distributed on the outer circular surface of each inner ring along the circumference, the numerical value between every two opposite ball paths is measured, the maximum value, the minimum value or the middle value of the three-time measurement result is taken, and then the group value is written on the workpiece to finish grouping. The manual measurement needs one person for one shift and three persons for three shifts, the labor cost is high, the efficiency is low, and the fatigue attention of the people is dispersed due to long-time work, therefore, the group value obtained by adopting the manual measurement is greatly influenced by human, the repeatability and the reproducibility are poor, the wrong group is easy to occur, the phenomenon that the assembled mobile end section does not meet the requirement of a product drawing often occurs, in the subsequent product performance detection, the problem of poor sliding force and swinging moment of unqualified products can occur, the unqualified movable end section of the transmission shaft needs to be disassembled, and an inner ring in a proper group is selected again for assembly, so that the general assembly efficiency is low, parts such as a clamp, a steel ball and a grease cover of the movable end section are all scrapped, so that the serious waste of materials and materials is caused, and the production cost is increased. If the transmission shaft with the unqualified inner ring is delivered to a user side, abnormal sound occurs when the transmission shaft is used for a period of time or even when a host machine factory is off-line, so that goods return or claim phenomena of the user are caused, and huge loss is caused to a unit. Therefore, a machine which can automatically detect and group the inner ring, has high measurement precision and high working efficiency is needed in the inner ring assembly field, so as to replace manual detection.

Disclosure of Invention

The invention aims to provide an automatic detection and grouping machine for inner rings of movable end sections of transmission shafts, which can automatically detect and group the inner rings, and has accurate detection and grouping and high detection efficiency.

The technical scheme of the invention is as follows: transmission shaft removes end section inner ring automated inspection and divides grouping machine, including the frame, its characterized in that: be equipped with controller, inner ring grabbing device, lane detection device, inner ring grouping device in the frame, wherein:

Based on the technical scheme I, the automatic detection grouping machine for the inner ring of the movable end section of the transmission shaft has the following technical scheme: an inner ring angle adjusting device is arranged on the rack and is provided with a rotary table servo motor and an angle adjusting sensor, a machine body of the rotary table servo motor is fixedly connected with the rack, a motor shaft of the rotary table servo motor is fixedly connected with a rotary table, the center of the top plane of the rotary table is fixedly connected with a cylinder which is used for being inserted and positioned with an inner ring spline hole, and the axial lead of the cylinder is superposed with the axial lead of the motor shaft in the rotary table servo motor; the cylinder is positioned in the moving path of the power claw; the angle modulation sensor is fixedly arranged on the frame, the detection end of the angle modulation sensor is opposite to the cylinder, and the signal output end of the angle modulation sensor is connected with the signal input end of the controller through a signal line; the signal input end of an actuator in the turntable servo motor is connected with the signal output end of the controller through a signal wire.

Based on the technical scheme II, the automatic detection grouping machine for the inner ring of the movable end section of the transmission shaft has the following technical scheme that: an inner ring overturning device is arranged on the rack and is provided with a power lifting platform, an overturning mechanism and a vision camera; the power lifting platform is provided with a second vertical telescopic cylinder, a cylinder body of the second vertical telescopic cylinder is fixedly connected with the rack, the telescopic end of the second vertical telescopic cylinder is fixedly connected with the lifting platform, and the top end of the lifting platform is provided with a second horizontal plane for placing the inner ring; the power turnover mechanism comprises a base fixedly connected with a rack, a second horizontal telescopic cylinder is fixedly arranged on the base or the rack, a first vertical plate is fixedly arranged at the telescopic end of the second horizontal telescopic cylinder, the first vertical plate is horizontally and slidably connected with the base, a third vertical telescopic cylinder is fixedly arranged on the first vertical plate, a second vertical plate is fixedly arranged at the telescopic end of the third vertical telescopic cylinder, the second vertical plate is vertically and slidably connected with the first vertical plate, a power turntable is arranged on the second vertical plate, the fixed end of the power turntable is fixedly connected with the second vertical plate, a clamping telescopic cylinder is fixedly arranged at the movable end of the power turntable, two synchronously telescopic clamping jaws are respectively arranged at two sides of the clamping telescopic cylinder, the two clamping jaws are transversely and symmetrically arranged, and inner arc concave surfaces corresponding to the outer circular surfaces of the inner rings are arranged on the opposite surfaces of the two clamping jaws; the machine body of the vision camera is fixedly connected with the frame, and the lens of the vision camera is opposite to the gap between the concave surfaces of the inner arcs of the two clamping jaws; the lifting platform is positioned below the concave surfaces of the inner arcs of the two clamping jaws; the cylinder of the top plane of the turntable is positioned in front of the space between the concave surfaces of the inner arcs of the two clamping jaws; the signal output end of the vision camera is connected with the signal input end of the controller through a signal wire; the signal input end of the actuator in the second vertical telescopic cylinder, the signal input end of the actuator in the second horizontal telescopic cylinder, the signal input end of the actuator in the third vertical telescopic cylinder, the signal input end of the actuator in the power turntable and the signal input end of the actuator in the clamping telescopic cylinder are respectively connected with the signal output end of the controller through signal wires.

Based on the third technical scheme, the automatic detection grouping machine for the inner ring of the movable end section of the transmission shaft has the fourth technical scheme that: an inner ring feeding device is arranged on the rack, the device is provided with a feeding conveyor fixedly arranged on the rack, a striker plate is arranged above the tail end of a conveying belt of the feeding conveyor, the striker plate is fixedly connected with the rack, a feeding channel fixedly connected with the rack is arranged on one side of the front end of the striker plate, a third horizontal telescopic cylinder fixedly arranged on the rack is arranged on the other side of the front end of the striker plate, the telescopic end of the third horizontal telescopic cylinder is opposite to the feeding port of the feeding channel, the discharging port of the feeding channel is opposite to a second horizontal plane at the top end of the lifting platform, a second sensor fixedly arranged on the rack is arranged above the front end of the striker plate, and the detection end of the second sensor is opposite to the conveying belt positioned between the third horizontal telescopic cylinder and the feeding channel; the signal output end of the second sensor is connected with the signal input end of the controller through a signal wire; the signal input end of the actuator in the feeding conveyor and the signal input end of the actuator in the third horizontal telescopic cylinder are respectively connected with the signal output end of the controller through signal lines.

Based on the technical scheme I, the automatic detection grouping machine for the inner ring of the movable end section of the transmission shaft comprises the following technical scheme: fourth vertical telescopic cylinders which are arranged on the rack and are close to the first vertical telescopic cylinders in number and position are arranged above the conveying belt, color mark pens are fixedly arranged at the telescopic ends of the fourth vertical telescopic cylinders, and the color painting ends of the color mark pens are opposite to the conveying belt of the grouping conveyor; and the signal input end of the actuator in each fourth vertical telescopic cylinder is connected with the signal output end of the controller through a signal wire.

Based on the technical scheme I, the automatic detection grouping machine for the inner ring of the movable end section of the transmission shaft comprises the following technical scheme: among each silo, at least one silo is the defective work silo, is stamped the capping on the notch of defective work silo, is equipped with the latch mechanism between the cell body of capping and silo.

Based on the technical scheme I, the automatic detection grouping machine for the inner ring of the movable end section of the transmission shaft comprises the following technical scheme: the stand is fixedly arranged on the rack, an inner ring standard part is arranged in the center of the top end plane of the stand, a spline hole of the inner ring standard part faces upwards along one end face provided with a chamfer, the other end face of the inner ring standard part is movably pressed with the top end plane of the stand, a plurality of hemispherical convex blocks are fixedly arranged on the top surface of the stand, each convex block is movably abutted with a corresponding ball channel on the inner ring standard part, and the inner ring standard part is positioned in a moving path of the power clamping jaw.

The detection principle of the invention is as follows: the method comprises the steps that two detection steel balls in opposite positions in six detection steel balls aiming at inner ring ball tracks are in a group, the six ball tracks of an inner ring are divided into three groups of detection objects, after each group of two detection steel balls are in contact with the corresponding ball track, central distance values of the two steel balls are obtained, after the six steel balls are in contact with the inner ring ball tracks according to a program, the obtained three groups of values are transmitted to a controller, the controller calculates the maximum value, the minimum value or the average value of the three groups of values, and compares the maximum value, the minimum value or the average value according to standard values to finally judge the group of the detected inner ring.

The working process and principle of the invention are as follows: the inner ring is placed in the middle of a first horizontal plane at the top of a shelving platform, the hole edge at one end of a splined hole of the inner ring is provided with a chamfer, the hole edge at the other end of the splined hole of the inner ring is not provided with a chamfer, the structure of the inner ring is utilized to judge the assembly direction of the splined hole of the inner ring, when in detection, the splined hole edge of the inner ring is upward along the chamfered surface, then six ball tracks of the inner ring are adjusted to be opposite to six detection steel balls in six sets of steel ball checking mechanisms, when each steel ball checking mechanism is in a standby state, a controller controls a sliding block telescopic cylinder in each steel ball checking mechanism to overcome the elastic force of a spring to enable the steel balls on each sliding block to be far away from the axis of the shelving platform for abdicating, the inner ring is convenient to put in, after the inner ring is put in, a ball track detection device is started through the controller, in the operation procedure, the controller selects a steel ball checking mechanism with a base fixedly connected with a rack, and releases the sliding block through driving the telescopic end of the sliding block telescopic cylinder of the mechanism to move until the telescopic end is separated from the sliding block, the slide block drives the steel ball to approach the vertical line of the shelf under the action of elasticity, the ball end of the steel ball is firstly contacted with the corresponding ball track on the inner ring to be detected, then the controller selects another steel ball checking mechanism with the base fixedly connected with the frame, the step of the previous steel ball checking mechanism is repeated, the ball end of the steel ball is contacted with the corresponding ball track on the inner ring to be detected, the inner ring is preliminarily positioned under the clamping of the two steel balls arranged at the opposite positions, then the controller sequentially enables the steel balls in the other four steel ball checking mechanisms to be sequentially contacted with the corresponding ball track on the inner ring under the action of the elasticity according to the mode of sequentially carrying out the diagonal, the inner ring to be detected can be ensured to be arranged at the central position due to the same elasticity of each slide block, and the diameter size of the slide bar positioned below the other four steel ball checking mechanisms is smaller than the diameter size of the corresponding slide hole on the slide block, through the clearance allowance of the two mechanisms, the sliding blocks in the other four steel ball checking mechanisms can circumferentially swing along the axial lead of the sliding rod positioned above, so that the detection steel balls in the four steel ball checking mechanisms are fully contacted with the other four corresponding ball paths on the inner ring and equally divide the detected inner ring into six parts with the detection steel balls in the other two steel ball checking mechanisms, and the high accuracy of the measurement is ensured; each sensor transmits the measured value to the controller, the controller calculates the maximum value, the minimum value or the average value, compares the actually measured value with the standard value, and determines the group of the measured inner ring according to the preset group range;

after the lane detection device finishes detecting the inner ring to be detected, the movable end of the vertical lifting sliding table descends, so that the power clamping jaws on the chuck stretch into the splined hole of the inner ring to be detected, then the power clamping jaws synchronously stretch, and the power clamping jaws support and fix the inner ring in the splined hole of the inner ring; synchronously, after the power claw expands and clamps the inner ring, each sliding block is far away from the vertical line of the shelving platform through pulling force, so that the detection steel ball is separated from the corresponding ball channel, the ball channel detection device enters a standby state, when the sliding blocks are reset, the movable end of the vertical lifting sliding platform rises to grab the inner ring from the shelving platform, the power rotating shaft drives the cross arm to rotate, so that the chuck is opposite to the starting end of the grouping conveyor, the movable end of the vertical lifting sliding platform descends, the bottom surface of the inner ring is close to the surface of the conveyor belt at the starting end of the grouping conveyor, the power claw synchronously condenses, and the inner ring is placed on the conveyor belt at the starting end of the grouping conveyor;

one trough at different positions in the plurality of troughs corresponds to one group, after the controller judges the group of the inner ring to be tested, the controller controls the first vertical telescopic cylinder at the corresponding group of material tanks to lower the stop block, stops the inner ring on the grouping conveyor at the opening end of the group of material tanks, when the first sensor at the position detects that the inner ring is in place, a workpiece in-place signal is sent to the controller, the controller controls the grouping conveyor to stop rotating, the corresponding first vertical telescopic cylinder to lift up, the corresponding first horizontal telescopic cylinder to start, the telescopic end of the first water telescopic cylinder pushes the inner ring on the grouping conveyor into the corresponding material groove, because the silo is arranged for the slope, the inner ring is arranged to wait to get along the slope landing of silo to low department, so far, this application transmission shaft removes detection and grouping of inner ring automated inspection grouping machine completion inner ring automatically.

The invention has the advantages that: according to the detection principle and the working principle, the invention has the advantages that: the inner ring can be automatically detected and grouped, compared with manual detection grouping, the automatic detection grouping machine for the inner ring of the movable end section of the transmission shaft has the advantages that the speed for detecting and grouping is higher, the efficiency is higher, the grouping value is hundreds of percent accurate, and the quality is good; in the traditional process, at least one operator is needed for one shift, three operators are needed for three shifts, the labor cost of each operator is calculated according to one hundred thousand yuan per year, and thirty thousand yuan can be saved each year after the automatic detection of the machine is adopted. In the traditional process, an operator needs to put the inner ring on a tool clamp by hand, then manually clamps the workpiece, detects the workpiece, and after the detection, needs to manually take off the workpiece and write down the group on the workpiece by using a marker pen, so that the operator with mature technology needs to take twenty-five seconds at the fastest speed, and the efficiency and accuracy of the operator are gradually reduced after the operator is fatigued along with the lapse of working time; the automatic detection grouping machine for the inner ring of the movable end section of the transmission shaft has the advantages that through the internal secrecy test of an enterprise, the working time for detecting one inner ring is only twelve seconds, and the detection efficiency is improved by at least one time; not only greatly reduced the cost, improved efficiency, liberated the labour, improved product quality moreover, increased customer satisfaction, promoted the core competitiveness of enterprise.

The structure based on technical scheme two: the inner ring to be detected is sleeved on the cylinder at any angle by utilizing the rugged structure of the outer circular surface of the inner ring for coarse positioning, at the moment, after the angle modulation sensor detects a workpiece, the angle modulation sensor starts to measure the distance value between the angle modulation sensor and the inner ring to be detected, the distance value is transmitted to the controller, the controller compares the distance value according to the preset range value, when the distance value does not accord with the range value, the controller controls the rotary table servo motor to drive the rotary table to rotate the inner ring, until the value measured by the angle modulation sensor falls into the preset range value, the controller controls the rotary table to stop rotating, the angle adjustment of the inner ring is completed, and after the inner ring to be detected with the adjusted angle is grabbed and placed on the shelving table by the inner ring grabbing device, six ball channels of the inner ring are accurately opposite to six detection steel balls in the ball channel detection device. The advantages are that: the inner ring angle adjusting device saves the process of manually adjusting the angle, further improves the working efficiency of the device, simplifies the operation steps and improves the automation degree of the device.

Based on the structure of technical scheme three: will be surveyed the inner ring and place on the second horizontal plane on elevating platform top, start inner ring turning device, at this moment, the elevating platform rises will be surveyed the inner ring and lift to two clamping jaws after between the inner arc concave surface, press from both sides tight telescoping cylinder automatic operation, press from both sides the inner ring between the inner arc concave surface of two clamping jaws, the elevating platform automatic decline is stepped down, at this moment, the vision camera sends the image of inner ring for the controller and carries out the analysis: if the spline hole edge of the upper end surface of the inner ring is chamfered, the controller judges that the inner ring faces correctly and the power turntable does not act; if the spline hole edge of the upper end surface of the inner ring is not chamfered, the controller judges that the inner ring has wrong orientation, and at the moment, the controller drives the power turntable to rotate 180 degrees to turn over and swing the inner ring; after the inner ring is correctly oriented, the controller drives the second horizontal telescopic cylinder to extend out, the first vertical plate drives the two clamping jaws to horizontally displace to send the inner ring to a position right above a cylinder on the top plane of the rotary table, the splined hole of the inner ring is opposite to the cylinder, then, the controller drives the third vertical telescopic cylinder to lower the second vertical plate, the second vertical plate drives the two clamping jaws to sleeve the inner ring on the cylinder, the lower end face of the inner ring is close to the top plane of the rotary table, the controller drives the clamping telescopic cylinder to open the two clamping jaws to release the inner ring, the inner ring is sleeved on the cylinder, the lower end face of the inner ring is in compression joint with the top plane of the rotary table, the inner ring is placed on the rotary table in the inner ring angle adjusting device, and before the inner ring is subjected to angle adjustment by the inner ring angle adjusting device, the controller sequentially drives the third vertical telescopic cylinder and the second horizontal telescopic cylinder to drive the vertical plates to reset the clamping jaws to prepare for turning judgment on the next inner ring. The advantages are that: the inner ring turning device saves the process of manually checking and judging the orientation of the inner ring, further improves the working efficiency of the automatic detection grouping machine for the inner ring of the movable end section of the transmission shaft, simplifies the operation steps and improves the automation degree of equipment.

The structure based on technical scheme four: the measured inner ring is placed on the starting end of a conveying belt in the feeding conveyor, the feeding conveyor conveys the inner ring to the direction of the material baffle plate, after the inner ring is blocked by the material baffle plate, the second sensor detects the inner ring and sends a signal to the controller, the controller drives the third horizontal telescopic cylinder to operate, the inner ring is conveyed to the top end of the lifting platform through the feeding channel, and then the controller executes the operation program of the inner ring overturning device. The advantages are that: the workpiece is conveyed into the top end of the lifting platform in the inner ring overturning device through the feeding conveyor, so that the operation is easier and safer, and the automation degree of the equipment is further improved.

The structure based on technical scheme five: the colors of the marks marked on the inner rings in different groups are different, the color of each color mark pen is the same as the color mark color used by the inner ring in the corresponding group, after the first sensor detects that the inner ring is in place, a workpiece in-place signal is sent to the controller, before the controller controls other parts in the inner ring grouping device to act, the fourth vertical telescopic cylinder of the group corresponding to the inner ring is controlled to move downwards, and the color marks are marked on the inner ring; the advantages are that: the step of marking color marks manually is saved, and the working efficiency and the degree of automation of the method are improved.

The structure based on technical scheme six: when the inner ring is detected to be out of the set group range, the inner ring is judged to be a defective product, therefore, the detected defective product is stored in a defective product trough by using an inner ring grouping device, the defective product is sealed and stored through a trough cover, the defective part can be taken out only by opening a lock mechanism, and the purpose is to avoid mixing the defective part into qualified parts of other groups. The advantages are that: the method and the device have the function of automatically detecting and eliminating the defective parts, and the assembly quality of the movable end section is guaranteed to be qualified in percentage.

The structure based on technical scheme seven: according to the set calibration time interval, the power claw grabs the inner ring standard component to the platform of the lane detection device, detects the standard component according to the same detection mode of the detection workpiece, compares the detection result with the calibrated data, and then the controller automatically corrects each displacement sensor according to the program, which has the advantages that: the detection precision of the equipment can be verified on line, and the tested inner ring group is guaranteed to be qualified in percentage.

Drawings

Fig. 1 is a schematic perspective view of an automatic detection grouping machine for inner rings of movable end sections of a transmission shaft according to the present invention.

Fig. 2 is a schematic perspective view of the other side of fig. 1.

Fig. 3 is a schematic structural view of an inner ring gripping device and a lane detection device according to the present invention.

Fig. 4 is a front view schematically showing the inner ring grab and lane detector according to the present invention.

Fig. 5 is a schematic perspective view of the inner ring grouping device of the present invention.

Fig. 6 is an enlarged schematic view of a portion a in fig. 5.

Fig. 7 is a perspective view of fig. 5 in another direction.

Fig. 8 is a schematic structural view of the inner ring angle adjusting device and the vertical stand in the present invention.

Fig. 9 is a schematic structural view of the inner ring rolling-over device in the present invention.

Fig. 10 is a schematic structural view of an inner ring feeding device in the invention.

Fig. 11 is an appearance schematic diagram of the automatic detection grouping machine for the inner ring of the movable end section of the transmission shaft of the invention.

Fig. 12 is a schematic perspective view of the other side of fig. 11.

Fig. 13 is a block diagram schematically showing the structure of each electric component in the present invention.

Fig. 14 is a schematic view of the structure of the inner ring.

FIG. 15 is a schematic view of the measurement position of the inner ring under test.

In the figure:

100 inner rings, 101 inner ring ball channels, 102 spline holes, 103 chamfers and 104 steel balls;

200 machine frames, 201 inner ring standard parts, 202 hemispherical bumps, 203 vertical platform top end planes, 204 vertical platforms, 205 electrical cabinets, 206 access doors, 207 three-color lamps and 208 closed light shields;

300 controller, 301 touch control display screen;

400 inner ring grabbing device, 401 rotating shaft servo motor, 402 power transmission mechanism, 403 power rotating shaft, 404 power claw, 405 chuck, 406 cross arm, 407 grabbing mechanism, 408 vertical lifting sliding table moving end, 409 vertical lifting sliding table fixed end, 410 vertical lifting sliding table, 411 power rotating shaft axial lead, 412 measuring head, 413 power shaft sensor;

500 ball track detection devices, 501 shelving, 502 first horizontal plane, 503 detection steel balls, 504 sliding blocks, 505 displacement sensors, 506 sliding block telescopic cylinders, 507 sliding rods, 508 springs, 509 bases, 510 steel ball checking mechanisms, 511 measured workpiece sensors, 512 shelving vertical lines, 513 sliding holes and 514 sliding rods;

600 inner ring grouping device, 601 grouping conveyor, 602 conveying belt of grouping conveyor, 603 trough sensor, 604 trough, 605 roller slideway, 606 blind end, 607 unqualified product trough, 608 trough cover, 609 lock mechanism, 610 correlation sensor, 611 baffle, 612 first sensor, 613 first vertical telescopic cylinder, 614 first horizontal telescopic cylinder, 615 fourth vertical telescopic cylinder, 616 color marking pen, 617 open end, 618 first horizontal telescopic cylinder telescopic end, 619 grouping workpiece sensor, 620 workpiece cutting plate;

700 inner ring angle adjusting devices, 701 angle adjusting sensors, 702 cylinders, 703 turntables and 704 turntable servo motors;

800 inner ring overturning devices, 801 bases, 802 second horizontal telescopic cylinders, 803 clamping jaws, 804 inner arc concave surfaces, 805 gaps, 806 lifting tables, 807 clamping telescopic cylinders, 808 first vertical plates, 809 vision cameras, 810 lenses, 811 third vertical telescopic cylinders, 812 telescopic ends of third vertical telescopic cylinders, 813 power turntables, 814 second vertical plates, 815 power turntables, 816 power turntables, 817 horizontal slideways, 818 second horizontal planes, 819 second vertical telescopic cylinders and 820 stop blocks;

900 inner ring feeding device, 901 feeding conveyor, 902 feeding conveyor belt, 903 third horizontal telescopic cylinder, 904 third horizontal telescopic cylinder telescopic end, 905 striker plate, 906 second sensor, 907 feeding channel, 908 short longitudinal edge, 909 stock guide plate, 910 inclined plane, 911 long longitudinal edge, 912 edge plate.

Detailed Description

As shown in fig. 1 to 7 and 13 to 15, an embodiment of the automatic inner ring detecting and grouping machine for movable end sections of a transmission shaft includes a rack 200, and a controller 300, an inner ring grabbing device 400, a lane detecting device 500, and an inner ring grouping device 600 are disposed on the rack, where:

the inner ring grabbing device comprises a power rotating shaft 403 and a grabbing mechanism 407, and the shaft body of the power rotating shaft is rotatably connected with the rack; the grabbing mechanism comprises a cross arm 406, one end of the cross arm is fixedly connected with the power rotating shaft, the other end of the cross arm is provided with a vertical lifting sliding table 410, a fixed end 409 of the vertical lifting sliding table is fixedly connected with the cross arm, a moving end 408 of the vertical lifting sliding table is provided with a chuck 405, and the bottom surface of the chuck is provided with an internal support type power claw 404 which can be synchronously opened and closed;

the lane detection device comprises a shelving platform 501 fixedly connected with a rack, the top of the shelving platform is provided with a first horizontal plane 502 for lifting an inner ring, the vertical line 512 of the shelving platform is uniformly provided with six sets of steel ball checking mechanisms 510 along the circumference, each set of steel ball checking mechanism comprises a base 509, and each base is fixedly provided with a displacement sensor 505 and a slide bar 507; the number of the sliding rods on each base is two, the two sliding rods are arranged up and down along the vertical direction, two ends of each sliding rod are fixedly connected with the corresponding base, the axial lead 514 of each sliding rod is perpendicular to the vertical lead of the shelving platform, each base is also provided with a sliding block 504, each sliding block is provided with two sliding holes 513 corresponding to the two sliding rods, each sliding block is in reciprocating sliding connection with the two sliding rods on the corresponding base through the two sliding holes, a spring 508 for driving the sliding block to move towards the vertical center line direction of the shelving platform is arranged between each sliding block and the base, and the elasticity of each spring is the same; each base is fixedly provided with a sliding block telescopic cylinder 506 used for driving the sliding block to move towards the direction opposite to the vertical center line of the shelving platform, and the telescopic end of each sliding block telescopic cylinder is movably connected with the corresponding sliding block in a pulling way or a movable jacking way; one end of each sliding block facing the vertical line of the shelving platform is fixedly provided with a detection steel ball 503 matched with the inner ring ball channel, and the other end of each sliding block is opposite to the detection end of the displacement sensor on the corresponding base; the shelf is positioned in the moving path of the power claw; six sets of steel ball checking mechanisms: in the two steel ball checking mechanisms which are opposite in position, each sliding rod is connected with the corresponding sliding hole on the sliding block in a linear sliding fit manner; in the other four steel ball checking mechanisms, the sliding rods positioned above are in linear sliding fit connection with the corresponding sliding holes on the sliding block, and the diameter size of the sliding rod positioned below is smaller than that of the corresponding sliding hole on the sliding block;

the inner ring grouping device comprises a grouping conveyor 601 arranged on a rack, a plurality of inclined material troughs 604 arranged on the rack are arranged on one side of the grouping conveyor, one end of each material trough positioned at a low position is a blind end 606, one end of each material trough positioned at a high position is an open end 617, and the open end of each material trough is opposite to a conveying belt 602 of the grouping conveyor; the other side of the grouping conveyor is provided with first horizontal telescopic cylinders 614 which are fixedly arranged on the rack and are opposite to the trough tanks in the same number and positions, and the telescopic end 618 of each first horizontal telescopic cylinder is opposite to the open end of the corresponding trough tank; a first vertical telescopic cylinder 613 and a first sensor 612 which are fixedly arranged on the rack and correspond to the first horizontal telescopic cylinders in the same number and position are arranged above the conveying belt, a stop block 611 is fixedly arranged at the telescopic end of each first vertical telescopic cylinder, and the detection end of each first sensor is opposite to the upper surface of the conveying belt of the grouping conveyor; the starting end of the conveying belt of the grouping conveyor is positioned in the moving path of the power claw;

Based on the automatic detection grouping machine for the inner ring of the movable end section of the transmission shaft in the first embodiment, in order to save the process of manually adjusting the angle of the inner ring, the application also provides the technical scheme of the second embodiment, as shown in fig. 8, an inner ring angle adjusting device 700 is arranged on the rack, the device is provided with a rotary table servo motor 704 and an angle adjusting sensor 701, the body of the rotary table servo motor is fixedly connected with the rack, a rotary table 703 is fixedly connected to a motor shaft of the rotary table servo motor, a cylinder 702 for being in plug-in positioning with an inner ring spline hole is fixedly connected to the center of the top plane of the rotary table, and the axis of the cylinder is coincident with the axis of the motor shaft in the rotary table servo motor; the cylinder is positioned in the moving path of the power claw; the angle modulation sensor is fixedly arranged on the frame, the detection end of the angle modulation sensor is opposite to the cylinder, and the signal output end of the angle modulation sensor is connected with the signal input end of the controller through a signal line; the signal input end of an actuator in the turntable servo motor is connected with the signal output end of the controller through a signal wire.

Based on the automatic detection grouping machine for the inner ring of the movable end section of the transmission shaft in the second embodiment, in order to save the process of manually checking and judging the orientation of the inner ring, the application also provides the technical scheme of the third embodiment, as shown in fig. 9, an inner ring overturning device 800 is arranged on the rack, and the device is provided with a power lifting platform, an overturning mechanism and a vision camera 809; the power lifting platform is provided with a second vertical telescopic cylinder 819, a cylinder body of which is fixedly connected with the frame, the telescopic end of the second vertical telescopic cylinder is fixedly connected with a lifting platform 806, and the top end of the lifting platform is provided with a second horizontal plane 818 for placing the inner ring; the power turnover mechanism comprises a base 801 fixedly connected with a rack, a second horizontal telescopic cylinder 802 is fixedly arranged on the base or the rack, a first vertical plate 808 is fixedly arranged at the telescopic end of the second horizontal telescopic cylinder, the first vertical plate is horizontally and slidably connected with the base, a third vertical telescopic cylinder 811 is fixedly arranged on the first vertical plate, a second vertical plate 814 is fixedly arranged at the telescopic end 812 of the third vertical telescopic cylinder, the second vertical plate is vertically and slidably connected with the first vertical plate, a power rotating disc 813 is arranged on the second vertical plate, the fixed end 816 of the power rotating disc is fixedly connected with the second vertical plate, a clamping telescopic cylinder 807 is fixedly arranged at the movable end 815 of the power rotating disc, synchronously telescopic clamping jaws 803 are respectively arranged at two sides of the clamping telescopic cylinder, the two clamping jaws are transversely and symmetrically arranged, and an inner arc 804 corresponding to the outer circular surface of the inner ring is arranged on the opposite surface of the two clamping jaws; the body of the vision camera is fixedly connected with the frame, and a lens 810 of the vision camera is opposite to a gap 805 between the concave surfaces of the inner arcs of the two clamping jaws; the lifting platform is positioned below the concave surfaces of the inner arcs of the two clamping jaws; the cylinder of the top plane of the turntable is positioned in front of the space between the concave surfaces of the inner arcs of the two clamping jaws; the signal output end of the vision camera is connected with the signal input end of the controller through a signal wire; the signal input end of the actuator in the second vertical telescopic cylinder, the signal input end of the actuator in the second horizontal telescopic cylinder, the signal input end of the actuator in the third vertical telescopic cylinder, the signal input end of the actuator in the power turntable and the signal input end of the actuator in the clamping telescopic cylinder are respectively connected with the signal output end of the controller through signal wires.

Based on the automatic detection grouping machine for the inner ring of the movable end section of the transmission shaft in the third embodiment, in order to make the feeding operation easier and safer and further improve the automation degree of equipment, the application also provides a technical scheme of a fourth embodiment, as shown in fig. 10, an inner ring feeding device 900 is arranged on the frame, the device is provided with a feeding conveyor 901 fixedly arranged on the frame, a baffle plate 905 is arranged above the tail end of a conveyor belt 902 of the feeding conveyor and fixedly connected with the frame, a feeding channel 907 fixedly connected with the frame is arranged on one side of the front end of the baffle plate, a third horizontal telescopic cylinder 903 fixedly arranged on the frame is arranged on the other side of the front end of the baffle plate, the telescopic end of the third horizontal telescopic cylinder is opposite to a feeding port 904 of the feeding channel, a discharging port of the feeding channel is opposite to a second horizontal plane at the top end of the lifting table, a second sensor 906 fixedly arranged on the frame is arranged above the front end of the baffle plate, the detection end of the second sensor is opposite to the conveying belt between the third horizontal telescopic cylinder and the feeding channel; the signal output end of the second sensor is connected with the signal input end of the controller through a signal wire; the signal input end of the actuator in the feeding conveyor and the signal input end of the actuator in the third horizontal telescopic cylinder are respectively connected with the signal output end of the controller through signal lines.

Based on the automatic detection grouping machine for the inner ring of the movable end section of the transmission shaft in the first embodiment, in order to automate the marking and coloring process, the application also provides a technical scheme in the fifth embodiment, as shown in fig. 5 to 7, fourth vertical telescopic cylinders 615 which are installed on the rack and have the same number and the same positions as the first vertical telescopic cylinders are arranged above the conveying belt, color marking pens 616 are fixedly installed at the telescopic ends of the fourth vertical telescopic cylinders, and the coloring ends of the color marking pens are opposite to the conveying belt of the grouping conveyor; and the signal input end of the actuator in each fourth vertical telescopic cylinder is connected with the signal output end of the controller through a signal wire.

Based on the automatic detection grouping machine of the inner ring of the movable end section of the transmission shaft, in order to enable the grouping machine to have the function of automatically detecting quality and eliminating defective parts, the technical scheme of the sixth embodiment is further provided, as shown in fig. 5 and 7, in each trough, at least one trough is a defective trough 607, a trough cover 608 covers a notch of the defective trough, and a lock mechanism 609 is arranged between the trough cover and the trough body of the trough.

Based on first embodiment transmission shaft removes end section inner ring automated inspection grouping machine, in order to realize that the grouping machine can have the function of automatic online verification equipment detection precision, this application still provides embodiment seven's technical scheme, as shown in fig. 8, the frame on be equipped with upright platform 204 admittedly, the central point of upright platform top end plane 203 is provided with inner ring standard 201, its splined hole of inner ring standard faces upwards along the terminal surface that is equipped with the chamfer, another terminal surface and the movable crimping of upright platform top end plane of inner ring standard are equipped with a plurality of hemispherical lugs 202 admittedly on the top surface of upright platform, each lug and the movable top of the corresponding lane on the inner ring standard connect, the inner ring standard is located the removal route of power jack catch.

As shown in fig. 14 and 15, the central hole of the inner ring is the spline hole 102, one end of the spline hole is provided with a chamfer 103, the outer circumferential surface of the inner ring is provided with six inner ring ball tracks 101 along the circumference, and each inner ring ball track is in contact with a corresponding steel ball 104 in the movable end section; the device obtains three groups of P values in the graph 15 by detecting the steel balls, wherein the P values are the distances between the centers of the two ball path steel balls of the inner ring, then the three groups of P values are transmitted to the controller, the controller calculates the maximum value, the minimum value or the average value of the three groups of P values, one of the three groups of P values is selected as a group value according to needs, and the group of the inner ring to be detected is finally judged by comparing the maximum value, the minimum value or the average value according to the standard value. The diameter of the detection steel ball is the same as that of the steel ball used in an actual product. As shown in fig. 3 and 4, the detection steel ball is a hemisphere, the spherical surface at the front end of the detection steel ball is opposite to the vertical center line of the placing table, the plane at the rear end of the detection steel ball is fixedly provided with a ball handle, and the ball handle is fixedly inserted into a corresponding hole on the sliding block, so that the detection steel ball and the sliding block are detachably assembled into a whole, and the replacement and maintenance are convenient. The straight-line sliding fit connection means that the axial lead of the sliding hole of the sliding block and the axial lead of the corresponding sliding rod are kept in an overlapped state in the displacement process of the sliding block.

The spring for driving the slide block to move towards the vertical center line of the shelving platform is shown in a cross-sectional structure of the steel ball checking mechanism on the left side in fig. 4, a spring is arranged between the slide block and the base, the spring is a pressure spring, one end of the spring is in compression joint with the base, the other end of the spring is in compression joint with the slide block, and the slide block is pressed towards the vertical center line of the shelving platform through the elasticity of the spring; as shown in the cross-sectional structure of the steel ball checking mechanism on the right side in fig. 4, in the structure, a spring is arranged between the sliding block and the base, the spring is a tension spring, one end of the spring is connected with the base in a pulling manner, the other end of the spring is connected with the sliding block in a pulling manner, and the sliding block is pulled towards the vertical line of the shelving platform by the contraction force of the spring; no matter a pressure spring or a tension spring is used, the elastic values of six pressure springs or tension springs in the six sets of steel ball checking mechanisms are the same, and the elastic values have a reasonable tolerance range.

The technical scheme of movably connecting the telescopic end of each sliding block telescopic cylinder with the corresponding sliding block is shown as a section structure of a steel ball checking mechanism on the left side in fig. 4, in the structure, each sliding block telescopic cylinder is arranged at the outer side end of the corresponding base, the telescopic end of each sliding block telescopic cylinder is hooked on the sliding block, when the inner ring is detected and released, the telescopic end of each sliding block telescopic cylinder retracts, the telescopic end of each sliding block telescopic cylinder overcomes the elasticity of a spring through the structure connected with the sliding block in a pulling mode to pull the sliding block to one end far away from the vertical line of the shelving platform, so that six detection steel balls are far away from the vertical line of the shelving platform, and the inner ring is convenient to place or take down; when the inner ring on the shelf is to be detected, the telescopic end of the sliding block telescopic cylinder is movably connected with the corresponding sliding block in a pulling way, so that the telescopic end of the sliding block telescopic cylinder is extended to be completely separated from the sliding block; the slide block makes the detection steel ball contact with the ball path of the inner ring under the action of pure elasticity of the spring, and the obtained detection data is accurate;

the technical scheme that the telescopic end of each sliding block telescopic cylinder is movably connected with the corresponding sliding block in a jacking mode is shown as the section structure of the steel ball checking mechanism on the right side in the figure 4, in the structure, each sliding block telescopic cylinder is arranged at the inner side end of the corresponding base, the telescopic end of each sliding block telescopic cylinder is pressed against the sliding block, when the inner ring is released after detection is finished, the telescopic end of each sliding block telescopic cylinder is extended, the telescopic end of each sliding block telescopic cylinder overcomes the elasticity of a spring through a structure in compression joint with the sliding block to push the sliding block to one end far away from the vertical line of the shelving platform, so that six detection steel balls are far away from the vertical line of the shelving platform, and the inner ring is convenient to place or take down; when the inner ring on the shelf is to be detected, the telescopic end of the sliding block telescopic cylinder is movably connected with the corresponding sliding block in a jacking way, so that the telescopic end of the sliding block telescopic cylinder is contracted to be completely separated from the sliding block; the slide block makes the detection steel ball contact with the ball path of the inner ring under the action of pure elasticity of the spring, and the obtained detection data is accurate;

a detected workpiece sensor 511 is arranged on the rack, the detection end of the detected workpiece sensor is opposite to the first horizontal plane of the shelving platform or the space above the first horizontal plane, and the signal output end of the detected workpiece sensor is connected with the signal input end of the controller through a signal line; when the inner ring grabbing device places the detected inner ring on the first horizontal plane of the placing table, the detected workpiece sensor immediately sends a signal to the controller, and the controller starts the lane detection device to operate according to a program after receiving the signal; the measured workpiece sensor is used for fault tolerance and confirmation; in a default program, after the inner ring grabbing device finishes operation, the controller defaults to start an operation program of the lane detection device, but in order to avoid the grabbing operation of the inner ring grabbing device, after the inner ring grabbing device finishes operation, a detected workpiece sensor is used for detecting whether an inner ring is normally placed on a first horizontal plane of the shelf, if the detected workpiece sensor detects a workpiece, the controller normally starts the lane detection device according to the program, if the detected workpiece sensor does not detect the inner ring, a grabbing signal is given to the controller, the controller is immediately stopped, and then audible and visual alarm is carried out to prompt field personnel to process.

The power rotating shaft is driven to rotate by a rotating shaft servo motor 401, the servo motor is a product in the prior art, the servo motor can accurately control the rotating angle, the power rotating shaft is rotatably connected with the rack through a bearing, a machine body of the rotating shaft servo motor is fixedly connected with the rack, a motor shaft of the rotating shaft servo motor is in power connection with a shaft body of the rotating shaft through a power transmission mechanism 402, and the power rotating shaft is used for driving the cross arm to rotate, so that the chuck can take and place the measured inner ring in each process. Based on the design purpose, the starting ends of the conveying belts in the rotary table, the placing table, the standard part and the grouping conveyor are all positioned in the moving range of the power clamping jaws, preferably, the starting ends of the conveying belts in the rotary table, the placing table, the standard part and the grouping conveyor are uniformly distributed along the circumference of the axis line of the power rotating shaft, and the power clamping jaws can be sequentially opposite to one of the parts when the power rotating shaft rotates 90 degrees. Based on the technical scheme, further, in order to improve the working efficiency of the inner ring gripping device, as shown in fig. 3 and 4, the number of the gripping mechanisms is four, one end of a cross arm in each gripping mechanism is fixedly connected with a power rotating shaft, the other end of each cross arm is provided with the vertical lifting sliding table, the moving end of each vertical lifting sliding table is provided with the chuck, and power claws on each chuck are uniformly distributed along the circumference along the axial lead 411 of the power rotating shaft; in the structure, the power rotating shaft is uniformly provided with four power clamping jaws along the periphery, so that the starting ends of the conveying belts in the rotating table, the placing table, the standard part and the grouping conveyor are correspondingly provided with a liftable power clamping jaw for taking and placing the measured inner ring or the standard part, each power clamping jaw can work independently according to the corresponding part, different stations can work synchronously, and the working efficiency of the automatic detection grouping machine for the inner ring of the movable end section of the transmission shaft is greatly improved.

As shown in fig. 4, when the number of the gripping mechanisms is four, the inner ring gripping device further includes a power shaft sensor 413 and four measuring heads 412, which are used for detecting the rotation angle of the power rotating shaft, the four measuring heads are uniformly and fixedly mounted on the power rotating shaft along the circumference, the power shaft sensor is fixedly mounted on the rack through a bracket, the detection ends of the power shaft sensor are sequentially opposite to the four measuring heads, and the signal output end of the power shaft sensor is connected with the signal input end of the controller through a signal line; therefore, when the power rotating shaft rotates 90 degrees, the power shaft sensor sends a signal to the controller, and the controller acquires the angle position of the power rotating shaft through the power shaft sensor, so that the control program can calculate conveniently.

The chuck with the internal supporting type power jaws is also called an inner hole chuck or an inner chuck, is an existing mechanical product, and is provided with the power jaws which are driven by electric power, hydraulic pressure and pneumatic power and synchronously opened and closed, wherein the electric chuck is preferred, and has the advantages of stable opening and closing and extremely small amplitude.

In a plurality of silos, a silo of different positions corresponds a group, according to the setting of group quantity arrange the silo of sufficient quantity in grouping conveyer side, the application of silo can adopt different colours or be used for discriminating with characters or pattern sign in obvious position, the inner ring is transported and is used corresponding the special material case of group, avoids misuse.

The bottom of the trough is a trough bottom with small friction force, such as a nylon surface trough bottom or a trough bottom provided with a roller slideway 605, so that the inner ring can easily slide to the lower end part of the trough by means of the gravity of the inner ring.

The end of the telescopic end of each first horizontal telescopic cylinder is fixedly provided with a push plate for pushing the inner ring into the corresponding trough, and the push plate can be made of materials with hardness lower than that of the inner ring, such as nylon, rubber and the like, and is used for protecting the surface of the inner ring.

The notch department of silo is equipped with silo sensor 603, and the silo sensor is installed in frame or silo, and the detection end of silo sensor is relative with the feed end that corresponds the silo, and this feed end is the open end of silo, the signal output part of silo sensor passes through the signal line and couples with the signal input part of controller. This silo sensor is used for counting or detecting whether the work piece that stores in the silo is piled up, its advantage is: when the storage inner ring in the trough reaches the upper limit value or the inner ring in the trough is fully stacked, the trough sensor sends a signal to the controller, the controller stops immediately, and then audible and visual alarm is carried out to prompt field personnel to process.

The machine frame is provided with a grouping workpiece sensor 619, the detection end of the grouping workpiece sensor is opposite to the starting end of a conveying belt of the grouping conveyor, and the signal output end of the grouping workpiece sensor is connected with the signal input end of the controller through a signal wire. When the inner ring grabbing device places the inner ring to be detected at the initial end of the conveying belt, the grouping workpiece sensor immediately sends a signal to the controller, and the controller controls the inner ring grouping device to operate according to the group of the inner ring according to the program after receiving the signal; the grouped workpiece sensors are used for fault tolerance and validation; in a default program, after the inner ring grabbing device finishes operation, the controller starts an operation program of the inner ring grouping device by default, but in order to avoid the blank grabbing operation of the inner ring grabbing device, the grouping workpiece sensor is used for detecting whether an inner ring is normally placed at the initial end of a conveying belt of the grouping conveyor or not after the inner ring grabbing device finishes operation, if the grouping workpiece sensor detects a workpiece, the controller normally starts the inner ring grouping device according to the program, if the grouping workpiece sensor does not detect an inner ring piece, a blank grabbing signal is given to the controller, the controller is immediately stopped, and then audible and visual alarm is carried out to prompt field personnel to process.

The tail end of the conveying belt in the grouping conveyor is provided with a correlation sensor 610 fixedly arranged on the frame, a correlation sensor correlation induction area is arranged above the conveying belt in the grouping conveyor, and a signal output end of the correlation sensor is connected with a signal input end of the controller through a signal line. And a workpiece stopping plate 620 for stopping the inner ring is arranged above the tail end of the conveying belt and fixedly connected with the rack, when workpieces are conveyed to the tail end on the conveying belt of the grouping conveyor, the workpieces are stopped by the workpiece stopping plate and trigger the opposite-emission sensor, the opposite-emission sensor sends a signal to the controller, the controller immediately controls the grouping conveyor to stop rotating, and then audible and visual alarm is carried out to prompt field personnel to process.

According to the technical scheme of the second embodiment, the rotary table is driven to rotate by the rotary table servo motor, the rotary table is rotatably connected with the rack through a bearing, a machine body of the rotary table servo motor is fixedly connected with the rack, in order to enable the inner ring angle to be adjusted more accurately, as shown in fig. 8 and 9, the rotary table is in a flange disc shape, a flange plate matched with the rotary table is fixedly arranged on a power output shaft of the rotary table servo motor, the rotary table is directly arranged on the power output shaft of the rotary table servo motor in a flange bolt connection mode, and the power output shaft of the rotary table servo motor is vertically arranged, so that the axial leads among the rotary table, a cylinder and the power output shaft of the rotary table servo motor are coincided, and the accuracy of the inner ring angle is ensured; because the grabbing mechanism in the inner ring grabbing device can change the angle of the inner ring when driven by the power rotating shaft to rotate, in order to facilitate the conversion of the adjustment angle of the inner ring to be measured on the cylinder by a mechanic, the axis of the cylinder is arranged on the rack in a way of rotating by 90 degrees by taking the axis of the power rotating shaft as a rotating axis and taking the axis of the shelving platform as a starting point.

The cylinder is used for roughly positioning the inner ring to be measured, the outer circle surface of the top end of the cylinder is a conical surface or a chamfer is arranged on the outer circle surface of the top end of the cylinder, and the conical surface or the chamfer is used for guiding and positioning the inner ring so as to be convenient for placing the inner ring; the terminal surface and the movable crimping of revolving stage top plane of inner ring, this cylinder and inner ring splined hole clearance fit, the height that is less than the inner ring of this cylinder is equipped with on the height or the cylinder and is used for giving the opening of stepping down for the power jack catch to the inner ring is got to the normal clamp of guarantee inner ring grabbing device.

According to the third technical scheme, the visual camera is one of industrial cameras, is a product in the prior art and is commonly used for replacing human eyes to measure and judge the position, the contour, the direction and the like of a product piece, the visual camera converts an optical signal into an electric signal and transmits the electric signal to the controller, and the controller judges the orientation of the inner ring by analyzing the obtained electric signal; the vision camera is also called an image acquisition analyzer and comprises an image shooting module, an image data processing module, an input/output end, a power interface and the like.

As shown in fig. 9, in order to enable the first vertical plate to perform horizontal displacement smoothly, horizontal sliding ways 817 are respectively disposed at two ends of the first vertical plate, the two ends of the first vertical plate are slidably connected with the corresponding horizontal sliding ways, two ends of the two horizontal sliding ways are fixedly connected with the base, and two ends of the first vertical plate are horizontally slidably connected with the base through the sliding ways. For the same purpose, as shown in fig. 9, two vertical slideways are fixedly arranged on the first vertical plate, and the back surface of the second vertical plate is connected with the two vertical slideways in an up-and-down sliding manner, so that the second vertical plate is vertically connected with the first vertical plate in a sliding manner through the two vertical slideways.

The technical scheme of the fourth embodiment is as follows: as shown in fig. 10, a plurality of side-by-side arranged synchronously rotating conveying belts are arranged in the feeding conveyor, or the width of the conveying belts in the feeding conveyor is wider; in the structure, two sides of the conveying belt are respectively provided with a longitudinally arranged side plate 912, the side plates are fixedly connected with the frame, and the two side plates are used for limiting, so that the inner ring is prevented from falling from the two sides of the conveying belt; a transverse guide plate 909 fixedly mounted on the frame is arranged above the conveyor belt, the front end surface of the guide plate is an inclined surface 910, the inclined surface enables one side of the guide plate to be a long longitudinal edge 911 and the other side to be a short longitudinal edge 908, the long longitudinal edge of the guide plate is fixedly connected with the frame or the edge plate on the corresponding side, a gap for accommodating a single inner ring to pass through is arranged between the short longitudinal edge of the transverse plate and the edge plate on the corresponding side, and the tail end of the gap is opposite to the material baffle plate; in the structure, the inner rings can be randomly placed on the conveying belt, and along with the stepping operation of the conveying belt, each inner ring enters a gap capable of accommodating a single inner ring to pass through under the pushing of the inclined surface of the material guide plate, so that the inner rings are pushed into the feeding channel one by the third horizontal telescopic cylinder.

As shown in fig. 10, when the telescopic end of the third horizontal telescopic cylinder pushes the inner ring to the second horizontal plane at the top end of the lifting platform through the feeding channel, the inner ring generates an inertia under the pushing force, so a stop block 820 is fixedly mounted on the base and located at the outer end of the lifting platform to block the inner ring and prevent the inner ring from sliding out of the lifting platform due to the inertia.

The conveyor described herein is of a commercially available mechanical product and is used to convey the inner ring from one end of its belt to the other end of the belt, with the belt preferably being a flight conveyor. Since the body of the conveyor is usually equipped with footrests so that the conveyor can be arranged independently on the floor of the factory building, the body of the conveyor is also considered as said frame in this application.

The telescopic cylinder described herein is a mechanical product in the prior art, and generally has a cylinder body as a fixed end, the cylinder body is fixedly mounted on a component corresponding to the fixed end, the telescopic cylinder also has a telescopic end as a movable end, the telescopic end is also called a telescopic rod, the telescopic end performs reciprocating motion along the axial direction of the telescopic rod within a designed stroke, and the telescopic cylinder is mainly divided into a pneumatic telescopic cylinder, an electric telescopic cylinder, an electromagnetic telescopic cylinder, a hydraulic telescopic cylinder, and the like, and in the present application, the pneumatic telescopic cylinder and the electric telescopic cylinder are preferred; the pneumatic telescopic cylinder is a product in the prior art for converting pressure gas into mechanical action, and the pressure gas output by a field main gas source is filtered and stabilized by a gas source triple piece and then is conveyed to each pneumatic telescopic cylinder by each gas pipe for use.

The controller comprises industrial common automatic controllers such as an industrial personal computer, a single chip microcomputer, a microcomputer and the like, the automatic detection and grouping machine for the inner ring of the movable end section of the transmission shaft is further provided with an electric cabinet 205, and the electric cabinet is used for installing and arranging various electronic equipment and controllers and actuators which need shielding or protection in each part; the controller comprises a human-computer interface, the human-computer interface preferably selects a touch display screen 301, a touch control display end of the touch display screen is arranged on the surface of the electric cabinet or is arranged on the rack, field workers can operate the touch display screen conveniently, and the workers can control the operation of the whole machine or adjust various parameters on the touch display screen. The frame or the electrical cabinet is provided with a three-color lamp 207 for displaying the working state of the automatic detection grouping machine of the inner ring of the movable end section of the transmission shaft, the three-color lamp is also used as the common optical alarm device in the audible and visual alarm, and a horn in the audible and visual alarm is arranged on the electrical cabinet or the frame and is used for emitting specific sound to represent the working state of the automatic detection grouping machine of the inner ring of the movable end section of the transmission shaft or carry out sound alarm on the generated faults.

In order to make the drawings clear and omit pipelines, electric wires and standard parts in the drawings, in the application, in order to make the machine operate stably and safely, limit sensors and limit switches are further arranged on each moving part according to the conventional technology, and the signal output ends of the limit sensors and the signal output ends of the limit switches are connected with the signal input end of a controller through signal lines.

The machine frame is used for supporting all the components at a specified position above the ground, in the application, as shown in fig. 11 and 12, a closed light shield 208 is installed on the machine frame, and the inner ring overturning device is located in the closed light shield; the closed light shield can keep the vision camera and the detection environment clean and free from the influence of external light, thereby improving the detection accuracy. Furthermore, the lane detection device, the inner ring grabbing device, the inner ring angle adjusting device, the inner ring overturning device, the vertical platform and the like are positioned in the closed light shield and used for sealing and preventing dust of all parts; for the convenience of maintenance, the hood is also provided with an openable maintenance door 206; the closed light shield is formed by enclosing a frame and a semitransparent or opaque plate fixedly arranged between adjacent frames; the opaque plate is optimized, cameras for monitoring the operation of equipment are arranged in the closed light shield, and the signal output end of each camera is connected with the signal input end of the controller through a signal wire; the field operator can observe the running state of the equipment in real time through a display screen in the controller.

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Automatic detection grouping machine for inner ring of movable end section of transmission shaft

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