阅读说明：本技术 一种自动检测齿轮外径装置及其检测方法 (Device and method for automatically detecting outer diameter of gear ) 是由 周鹏程 于 2021-03-19 设计创作，主要内容包括：本发明公开了一种自动检测齿轮外径装置,包括机架与气动缸,所述机架通过隔板分隔为第一腔室与第二腔室,所述气动缸位于所述第二腔室内,所述第一腔室内设有测量装置与限位机构,所述测量装置包括齿轮底座、装载盘、测量盘以及百分表,所述装载盘螺接有导柱,所述导柱贯穿至隔板,所述齿轮底座、所述限位机构以及所述气动缸的气动杆依次连接,所述气动缸可托载所述限位机构沿所述机架的长度方向移动,所述机架上设有用于控制气动缸运行的控制器,可通过更换不同规格的装载盘,可实现一台设备可以检测不同直径的齿轮；可以快速对加工后的齿轮进行检测,大大提高检测速度且检测精度准确,工作效率高,还可防止检测时划伤齿轮。(The invention discloses a device for automatically detecting the outer diameter of a gear, which comprises a rack and a pneumatic cylinder, wherein the rack is divided into a first chamber and a second chamber by a partition plate, the pneumatic cylinder is positioned in the second chamber, a measuring device and a limiting mechanism are arranged in the first chamber, the measuring device comprises a gear base, a loading disc, a measuring disc and a dial indicator, the loading disc is in threaded connection with a guide pillar, the guide pillar penetrates through the partition plate, the gear base, the limiting mechanism and a pneumatic rod of the pneumatic cylinder are sequentially connected, the pneumatic cylinder can support the limiting mechanism to move along the length direction of the rack, a controller for controlling the pneumatic cylinder to operate is arranged on the rack, and gears with different diameters can be detected by one device by replacing loading discs with different specifications; the gear after processing can be detected fast, the detection speed is greatly improved, the detection precision is accurate, the working efficiency is high, and the gear can be prevented from being scratched during detection.)

1. The utility model provides an automatic detect gear external diameter device, includes frame and pneumatic cylinder, its characterized in that: the frame is separated into a first chamber and a second chamber through a partition plate, the pneumatic cylinder is located in the second chamber, a measuring device and a limiting mechanism are arranged in the first chamber, the measuring device comprises a gear base, a loading disc located in the gear base, a measuring disc located above the gear base and a dial indicator in transmission connection with the measuring disc, the loading disc is in threaded connection with a guide pillar, the guide pillar penetrates through the partition plate, the gear base, the limiting mechanism and a pneumatic rod of the pneumatic cylinder are sequentially connected, the pneumatic cylinder can support the limiting mechanism to move along the length direction of the frame, and a controller used for controlling the pneumatic cylinder to operate is arranged on the frame.

2. The device for automatically detecting the outer diameter of the gear according to claim 1, wherein: the limiting mechanism comprises a connecting seat, a guide rail and a sliding block matched with the guide rail, the guide rail is located in the first cavity and is arranged in parallel relative to the length direction of the rack, the guide rail is connected with the sliding rail in a sliding groove mode, and the connecting seat is detachably connected with the sliding block through a connecting block.

3. The device for automatically detecting the outer diameter of the gear according to claim 1, wherein: and a spring is arranged between the connecting seat and the partition plate and is positioned on the outer wall of the pneumatic rod of the pneumatic cylinder.

4. The device for automatically detecting the outer diameter of the gear according to claim 3, wherein: the spring is a disc spring.

5. The detection method of the device for automatically detecting the outer diameter of the gear according to claim 1, characterized by comprising the following steps:

s1, placing the standard gear on a loading disc, pressing down a controller, lifting the pneumatic cylinder to drag the connecting seat until the gear base is attached to the measuring disc, reading through a dial indicator to obtain a standard value F1, setting F1 to be 0 of the dial indicator, and taking down the standard gear after calibrating the dial indicator;

s2, placing the gear to be detected on the loading disc, pressing down the controller, lifting the connecting seat by the pneumatic cylinder until the gear base is attached to the measuring disc, and reading the dial indicator to obtain a detection value F2;

s3, repeating the step 2 to obtain detection values F3 and F4, comparing whether the detection values F2, F3 and F4 are the same, if the detection values F2, F3 and F4 are different, wiping the measuring disc, and repeating the step 1 and the step 2 after wiping is finished until the detection values F2, F3 and F4 are the same;

s4, the difference between the standard value F1 and the detection value F2 is obtained to obtain an error value M1, whether the error value M1 is within the tolerance range of the gear is judged, if the error value M1 is within the tolerance range of the gear, the gear is qualified, and if the error value M1 is outside the tolerance range of the gear, the gear is not qualified.

Technical Field

The invention belongs to the technical field of gear measurement, and particularly relates to a device and a method for automatically detecting the outer diameter of a gear.

Background

The gear shaft generally is metal round bar shape, each section of a lot of gear shafts all has different diameters, generally adopt micrometer caliper or external micrometer to measure the gear shaft diameter among the prior art through the mode of artifical selective examination, this kind of method has a great deal of shortcoming, for example measurement of efficiency is low, this kind of measurement in-process can cause wearing and tearing damage to the gear shaft surface probably, influence the gear precision, measurement brings great repeatability work for the staff moreover, does not accord with the development demand of modern industrial technology.

Disclosure of Invention

To solve the problems set forth in the background art described above. The invention provides a device for automatically detecting the outer diameter of a gear and a detection method thereof, which can realize that one device can detect gears with different diameters by replacing loading discs with different specifications; the gear after processing can be detected fast, the detection speed is greatly improved, the detection precision is accurate, the working efficiency is high, and the gear can be prevented from being scratched during detection.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an automatic detect gear external diameter device, includes frame and pneumatic cylinder, the frame is separated for first cavity and second cavity through the baffle, pneumatic cylinder is located in the second cavity, be equipped with measuring device and stop gear in the first cavity, measuring device includes gear base, the loading dish that is located gear base, be located the measuring dish of gear base top and the percentage table of being connected with the measuring dish transmission, the loading dish spiro union has the guide pillar, the guide pillar runs through to the baffle, gear base, stop gear and the pneumatic rod of pneumatic cylinder connects gradually, pneumatic cylinder can hold in the palm and carry stop gear follows the length direction of frame removes, be equipped with the controller that is used for controlling pneumatic cylinder operation in the frame.

Further, stop gear includes connecting seat, guide rail, and the slider with guide rail looks adaptation, the guide rail is located in the first cavity and for the length direction parallel arrangement of frame, the guide rail with the slide rail slotted connects, the connecting seat pass through the connecting block with the slider is detachable to be connected.

Further, a spring is arranged between the connecting seat and the partition plate and is positioned on the outer wall of a pneumatic rod of the pneumatic cylinder.

Further, the spring is a disc spring.

A detection method of a device for automatically detecting the outer diameter of a gear comprises the following steps:

s1, placing the standard gear on a loading disc, pressing down a controller, lifting the pneumatic cylinder to drag the connecting seat until the gear base is attached to the measuring disc, reading through a dial indicator to obtain a standard value F1, setting F1 to be 0 of the dial indicator, and taking down the standard gear after calibrating the dial indicator;

s2, placing the gear to be detected on the loading disc, pressing down the controller, lifting the connecting seat by the pneumatic cylinder until the gear base is attached to the measuring disc, and reading through a dial indicator to obtain a detection value F2;

s3, repeating the step 2 to obtain detection values F3 and F4, comparing whether the detection values F2, F3 and F4 are the same, if the detection values F2, F3 and F4 are different, wiping the measuring disc, and repeating the step 1 and the step 2 after wiping is finished until the detection values F2, F3 and F4 are the same;

s4, the difference between the standard value F1 and the detection value F2 is obtained to obtain an error value M1, whether the error value M1 is within the tolerance range of the gear is judged, if the error value M1 is within the tolerance range of the gear, the gear is qualified, and if the error value M1 is outside the tolerance range of the gear, the gear is not qualified.

The invention has the beneficial effects that: the gear with different diameters can be detected by one device by replacing loading disks with different specifications; the gear after processing can be detected fast, the detection speed is greatly improved, the detection precision is accurate, the working efficiency is high, and the gear can be prevented from being scratched during detection.

Drawings

FIG. 1 is a perspective view of a first perspective of the present invention;

FIG. 2 is a perspective view of another aspect of the present invention;

FIG. 3 is a schematic diagram of the steps of the detection method of the present invention.

The reference numbers in the figures mean: 1-a frame; 11 a partition plate; 111-a first chamber; 112-a second chamber; 2-a pneumatic cylinder; 3-a measuring device; 31-a gear base; 32-a loading tray; 321-guide pillars; 33-measuring disk; 34-dial indicator; 4-a limiting mechanism; 41-connecting seat, 42-guide rail; 43-a slide block; 44-connecting block; 5-a controller; 6-spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides the following technical solutions: a method for automatically detecting the outer diameter of a gear comprises a frame 1 and a pneumatic cylinder 2, wherein the frame 1 is divided into a first chamber 111 and a second chamber 112 by a partition plate 11, the pneumatic cylinder 2 is positioned in the second chamber 112, the measuring device 3 and the limiting mechanism 4 are arranged in the first chamber 111, the measuring device 3 comprises a gear base 31, a loading disc 32 positioned in the gear base 31, a measuring disc 33 positioned above the gear base 31 and a dial indicator 34 in transmission connection with the measuring disc 33, the loading plate 32 is screwed with a guide post 321, the guide post 321 penetrates through the partition plate 11, the gear base 31, the limiting mechanism 4 and the pneumatic rod of the pneumatic cylinder 2 are connected in sequence, the pneumatic cylinder 2 can support the limiting mechanism 4 to move along the length direction of the rack 1, and a controller 5 for controlling the pneumatic cylinder 2 to operate is arranged on the rack 1; the pneumatic cylinder 2 is connected with an air pump, a corresponding loading disc 32 is selected according to the specification of the gear to be detected, a worker places a standard gear on the loading disc 32, the controller 5 is pressed, the controller 5 controls the pneumatic cylinder 2 to operate, the pneumatic cylinder 2 drags the limiting mechanism 4 to ascend, the gear base 31 moves towards the direction of the measuring disc 33, the positions of the gear and the loading disc 32 are not changed, the guide pillar 321 plays a limiting role at the moment, the operation stability of the pneumatic cylinder 2 is ensured until the gear base 31 is attached to the measuring disc 33, the worker recalibrates the 0 position of the dial indicator 34, the taper of the gear is detected in a mode of measuring the height of the gear, after the worker calibrates the 0 position of the dial indicator 34, the gear to be measured is placed on the loading disc 32, the controller 5 is pressed to perform measurement, and the gear can be rapidly measured, and whether the gear is qualified or not is judged, so that the measuring speed is greatly improved, and the gear is prevented from being scratched during measurement.

In this embodiment, the limiting mechanism 4 includes a connecting seat 41, a guide rail 42, and a slider 43 adapted to the guide rail 42, the guide rail 42 is located in the first cavity 111 and is parallel to the length direction of the rack 1, the guide rail 42 is connected to the slider 43 in a sliding groove manner, and the connecting seat 41 is detachably connected to the slider 43 through a connecting block; the detachable connection is convenient for replacing the connecting seat 41, so that the equipment is more flexible, the guide rail 42 has a limiting effect, and the process of driving the connecting seat 41 to rise by the pneumatic cylinder 2 is more stable.

In this embodiment, a spring 6 is disposed between the connecting seat 41 and the partition 11, the spring 6 is located on the outer wall of the pneumatic rod of the pneumatic cylinder 2, and the spring 6 plays a role in buffering and protecting equipment.

In this embodiment, the spring 6 is a disc spring, which has good shock absorbing capability, and has significant effects of absorbing impact and dissipating energy.

A detection method of a device for automatically detecting the outer diameter of a gear comprises the following steps:

s1, placing the standard gear on the loading disc 32, pressing down the controller 5, lifting the pneumatic cylinder 2 to the loading connecting seat 41 until the gear base 31 is attached to the measuring disc 33, reading through the dial indicator 34 to obtain a standard value F1, setting the F1 to be the 0 position of the dial indicator 34, and taking down the standard gear after calibrating the dial indicator 34;

s2, placing the gear to be detected on the loading disc 32, pressing down the controller 5, lifting the connecting seat 41 by the pneumatic cylinder 2 until the gear base 31 is attached to the measuring disc 33, and reading through the dial indicator 34 to obtain a detection value F2;

s3, repeating the step 2 to obtain detection values F3 and F4, comparing whether the detection values F2, F3 and F4 are the same, if the detection values F2, F3 and F4 are different, wiping the measuring disc 33, and repeating the steps 1 and 2 after wiping is finished until the detection values F2, F3 and F4 are the same;

s4, the difference between the standard value F1 and the detection value F2 is obtained to obtain an error value M1, whether the error value M1 is within the tolerance range of the gear is judged, if the error value M1 is within the tolerance range of the gear, the gear is qualified, the error value M1 is outside the tolerance range of the gear, the gear is not qualified, and the tolerance range of the M1 is plus or minus 10 threads.

By adopting the steps, the structure is simple, the method accords with a simple mode in industrial design, whether the gear is qualified or not can be judged quickly and accurately, the method is accurate and effective, and unqualified gears are prevented from flowing out of a production line.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.