阅读说明：本技术 一种基于视觉检测技术的吸盘夹具控制系统及控制方法 (Sucker clamp control system and control method based on visual detection technology ) 是由 杨侠 于 2021-06-16 设计创作，主要内容包括：本申请涉及一种基于视觉检测技术的吸盘夹具控制系统及控制方法,属于机械自动化技术领域。为解决利用吸盘夹具对不同物料进行夹取工作时,传统吸盘夹具由于为单一式或固定式,对于不同尺寸物料进行夹取需要人工预先对物料的种类进行分类,同时在放置物料时需统一放入,导致人工成本增加,也导致生产效率低下。本申请通过设置视觉检测装置进行物料检测,生成物料尺寸和摆放姿态数据,并进行数据计算,生成目标控制数据由以太网传输至PLC控制装置和工业机器人,由PLC控制装置生成控制信号对吸盘夹具调节姿态以与物料外形相适配,同时控制工业机器人进行机械手臂位移调节,带动吸盘夹具进行位移和角度调整控制,进而达到对物料进行精准夹取的效果。(The application relates to a sucker clamp control system and method based on a visual inspection technology, and belongs to the technical field of mechanical automation. When the work time is got to different materials clamp for solving and utilizing sucking disc anchor clamps, traditional sucking disc anchor clamps are owing to be unitary or fixed, get to not unidimensional material and press from both sides and need artifically classify the kind of material in advance, need unify when placing the material simultaneously and put into, lead to the cost of labor to increase, also lead to production efficiency low. This application carries out material detection through setting up visual detection device, generate material size and put the gesture data, and carry out data calculation, generate target control data and transmit to PLC controlling means and industrial robot by the ethernet, generate control signal by PLC controlling means and adjust the gesture to the sucking disc anchor clamps in order to with material appearance looks adaptation, the industrial robot of simultaneous control carries out robotic arm displacement and adjusts, drive the sucking disc anchor clamps and carry out displacement and angular adjustment control, and then reach and carry out the effect that accurate clamp was got to the material.)

1. The utility model provides a sucking disc anchor clamps control system based on visual detection technique which characterized in that: the method comprises the following steps:

the material conveying line is provided with a conveying belt, and materials are put into the conveying belt from one side of the conveying belt and are driven to move by the conveying belt;

the visual detection device is used for detecting the materials on the material conveying line, generating detection data and calculating the data;

the sucker clamp is provided with two groups of sucker clamping parts consisting of a plurality of suckers, and the sucker clamping parts clamp materials;

the industrial robot is provided with a multi-joint mechanical arm, and the mechanical arm is provided with a tail end connecting part for mounting the sucker clamp;

the PLC control device is used for receiving the data of the visual detection device and generating a control signal;

the visual detection device, the sucker clamp, the industrial robot and the PLC control device are connected with each other through Ethernet; the visual detection device is fixedly arranged on the discharging side of the conveying belt; the sucker clamping parts are driven by a power assembly to realize distance adjustment between the two groups of sucker clamping parts and length adjustment of the sucker clamping parts; after the material is put into the conveyer belt, by visual detection device detects, generates control signal through PLC controlling means, controls industrial robot drives the sucking disc anchor clamps and removes to the material position, gets work by the sucking disc clamping part is got the material.

2. The suction cup clamp control system based on the visual inspection technology as claimed in claim 1, wherein: the material conveying line comprises a conveying frame and a conveying belt; the conveyer belt consists of a plurality of roller wheels connected in parallel.

3. The suction cup clamp control system based on the visual inspection technology as claimed in claim 1, wherein: the visual detection device comprises a detection frame, a detection sensor and a data calculation unit; the detection frame is a door-shaped frame and spans the upper side of the conveyer belt; the two detection sensors are oppositely arranged on two sides of the detection frame, and the other detection sensor is fixedly arranged on the upper side of the detection frame; the data calculation unit is electrically connected with the detection sensor.

4. The suction cup clamp control system based on the visual inspection technology as claimed in claim 1, wherein: the industrial robot further comprises a mounting seat and a rotating table; the multi-joint mechanical arm is fixedly arranged on the rotating platform; the rotating platform can rotate circularly and is fixedly connected with the mounting seat.

5. The suction cup clamp control system based on the visual inspection technology as claimed in claim 1, wherein: the sucker clamp comprises a mounting plate, two sliding plates and a first sliding rail; a mounting flange is arranged on one side of the mounting plate and is fixedly connected with the tail end of the mechanical arm, and the surface of the other side of the mounting plate is fixedly provided with the first sliding rail; the two sliding plates are relatively parallelly and slidably arranged on the first sliding rail and driven by the power assembly to relatively or oppositely slide in a reciprocating manner.

6. The suction cup clamp control system based on the visual inspection technology as claimed in claim 5, wherein: the two sliding plates are respectively provided with a second sliding rail, a fence telescopic component and a plurality of suckers; the fence telescopic component is slidably mounted on the second sliding rail and driven by the power component to do reciprocating telescopic motion along the second sliding rail; the plurality of suckers are fixedly arranged on the fence telescopic assembly; the first slide rail is perpendicular to the second slide rail.

7. The control method of the suction cup clamp control system based on the visual inspection technology according to any one of claims 1 to 6, wherein: the method comprises the following control steps:

s1, before working, a self-checking procedure of the control system is firstly carried out, and the self-checking procedure is used for detecting whether the initial data of each component of the control system is a system zero point;

s2, after the self-checking procedure of S1 is finished, starting a control system, and placing the materials into a conveyer belt from the material placing side one by one at intervals;

s3, enabling the materials to move at a constant speed on the conveyor belt, enabling the materials to pass through the detection rack and be scanned and detected by the detection sensor, generating detection data and performing data calculation, and generating target control data and transmitting the target control data to the PLC control device and the industrial robot through the Ethernet;

s4, the PLC receives the target control data in S3 and generates a control signal; the control signals are respectively transmitted to the industrial robot and the sucker clamp through the Ethernet;

s5, after receiving the target control data in S3 and the control signal in S4, the industrial robot adjusts the angle of the mechanical arm to drive the sucker clamp to move towards the position of the material; meanwhile, after the sucker clamp receives the control signal in S4, the power assembly is started, the sliding plate and the fence telescopic assembly are adjusted, and further the axial length and the radial length of the sucker clamping part are adjusted to form a shape matched with the shape of the material;

s6, after the mechanical arm drives the sucker clamp to reach the material position, the industrial robot controls the sucker to perform adsorption clamping work on the material; transferring the adsorbed materials to a material storage station;

and S7, repeating the steps S3-S6, and clamping the materials on the conveyor belt.

8. The control method of the suction cup clamp control system based on the visual inspection technology as claimed in claim 7, wherein: and step S3, detecting the form, the gravity center position, the placing posture and the material height of the material by the detection sensor, generating detection data, performing data calculation, and generating control data of the adjusting target of the sucker clamp and control data of the displacement target of the industrial robot.

9. The control method of the suction cup clamp control system based on the visual inspection technology as claimed in claim 7, wherein: the data calculation method comprises the steps of calculating data of a clamping part of the sucker clamp and calculating data of an end tool and a material position of the industrial robot; the calculation uses the following calculation formula:

defining the width of the material as h; the width of the sliding plate is defined as d; the distance length between the two sliding plates is defined as k; the calculation formula among the three is as follows:

k =h- 3d；

the length of the material is defined as a; defining n by the length of the fence telescopic component; the length calculation formula of the fence telescopic assembly is as follows:

n= a-2d；

the industrial robot end position data is defined as P0, P0 is composed of industrial robot end tool center point position data defined as X0, Y0, Z0 and end tool center point posture position data defined as RX0, RY0 and RZ 0; defining the data of the material center offset position detected and processed by a visual detection device as delta X, delta Y and delta Z; defining the angle data of the processed material as delta alpha by using a visual detection device; defining P1 by the data of the actual material clamping position; the calculation formula of the displacement and angle adjustment of the industrial robot is as follows:

P0=[X0，Y0，Z0；RX0，RY0，RZ0]；

X1=X0+ΔX；

Y1=Y0+ΔY；

Z1=Z0+ΔZ；

RZ1=RZ0+Δα；

P1=[X1，Y1，Z1；RX1，RY1，RZ1]。

10. the control method of the suction cup clamp control system based on the visual inspection technology as claimed in claim 7, wherein: when the industrial robot and the chuck clamp are adjusted according to the control signal of the PLC control device in the steps S5-S6, adjustment feedback data are generated at the same time and are transmitted to the PLC control device through the Ethernet; the feedback data comprises sucker vacuum detection data and robot target detection data.

Technical Field

The application relates to a sucker clamp control system and method based on a visual inspection technology, and belongs to the technical field of mechanical automation.

Background

Industrial robots are multi-joint manipulators or multi-degree-of-freedom machine devices widely used in the industrial field, have a certain degree of automation, and can realize various industrial processing and manufacturing functions depending on the power energy and control capability of the industrial robots. Industrial robots are widely used in various industrial fields such as electronics, logistics, packaging, and the like.

A robotic end effector refers to any tool that is attached to the end of a robotic arm and has a certain function, and end tools commonly used include both unitary tools and quick-change tools. According to different application scenes, the single type robot end tool can only be suitable for the operation of a certain fixed material, and the single type robot end tool has certain limitation aiming at various materials. A quick-change tool, also called a tool quick-change device, is a flexible connecting tool used in an end effector in the industrial robot industry, and can change the end tool of a robot in time according to the operation requirement. The quick-change tool needs to additionally increase a master disc and a sub disc, so that the cost of the tool is increased, and meanwhile, the quick-change tool wastes time in the tool replacing process to influence the working efficiency of the robot.

No matter be single instrument or quick change formula instrument and get the during operation to the material clamp on the supply line, in order to guarantee industrial robot's the clamp and get the effect, the kind that needs the material and the placing of material on the supply line all relatively fixed to guarantee that the accurate clamp is got and high-efficient production. When the types of the materials are different, the materials need to be classified manually in advance, and meanwhile the materials need to be put into the materials in a unified mode when placed, so that labor cost is increased, and production efficiency is low.

Disclosure of Invention

To the problem and not enough that exist among the prior art, this application provides a sucking disc anchor clamps control system and control method based on visual detection technique, carry out material detection through setting up visual detection device, generate material size and put the gesture data, and data calculation, it is transmitted to PLC controlling means and industrial robot by the ethernet to generate target control data, generate control signal by PLC controlling means and adjust the gesture to sucking disc anchor clamps in order to with material appearance looks adaptation, control industrial robot carries out robotic arm displacement control simultaneously, accomplish the work of getting the material clamp.

In order to achieve the above purpose, the present application provides the following technical solutions: a suction cup clamp control system based on visual inspection technology comprises:

the material conveying line is provided with a conveying belt, and materials are put into the conveying belt from one side of the conveying belt and are driven by the conveying belt to move;

the visual detection device is used for detecting the materials on the material conveying line, generating detection data and calculating the data;

the sucker clamp is provided with two groups of sucker clamping parts consisting of a plurality of suckers; clamping the material by the sucker clamping part;

the industrial robot is provided with a multi-joint mechanical arm, and the mechanical arm is provided with a tail end connecting part for mounting the sucker clamp;

the PLC control device is used for receiving the data of the visual detection device and generating a control signal;

the visual detection device, the sucker clamp, the industrial robot and the PLC control device are connected with each other through Ethernet; the visual detection device is fixedly arranged on the discharging side of the conveying belt; the sucker clamping parts are driven by the power assembly to adjust the distance between the two groups of sucker clamping parts and the length of the sucker clamping parts; after the material is put into the transportation area, detect by visual detection device, generate control signal through PLC controlling means, control industrial robot drives the sucking disc anchor clamps and removes to the material position, gets work by the sucking disc clamping part to the material clamp.

Specifically, the material conveying line comprises a conveying frame and a conveying belt; the conveyer belt consists of a plurality of roller wheels connected in parallel. The conveying belt consisting of the roller wheels is arranged, so that the material conveying resistance can be reduced, the rapid conveying is convenient, and the speed of the materials on the conveying belt can be kept consistent.

Specifically, the visual detection device comprises a detection frame, a detection sensor and a data calculation unit; the detection frame is a door-shaped frame and spans the upper side of the conveyer belt; the two detection sensors are oppositely arranged on two sides of the detection frame, and the other detection sensor is fixedly arranged on the upper side of the detection frame; the data calculation unit is electrically connected with the detection sensor. Set up the test rack into door shape, and span at the conveyer belt upside, establish the installation simultaneously in test rack both sides and upside respectively and detect the sensor, can guarantee to detect the accurate detection of sensor to the material.

Specifically, the industrial robot further comprises a mounting seat and a rotating table; the multi-joint mechanical arm is fixedly arranged on the rotating platform; the rotating platform can rotate circularly and is fixedly connected with the mounting seat. The rotating platform is arranged in such a way, so that the mechanical arm can move in multiple degrees of freedom in the working radius of the mechanical arm, and the tail end tool of the mechanical arm can move in any angle.

Specifically, the sucker clamp comprises a mounting plate, two sliding plates and a first sliding rail; one side of the mounting plate is provided with a mounting flange fixedly connected with the tail end of the mechanical arm, and the surface of the other side of the mounting plate is fixedly provided with a first slide rail; the two sliding plates are relatively and parallelly arranged on the first sliding rail in a sliding mode, and are driven by the power assembly to slide oppositely or oppositely and reciprocally. The two sliding plates are respectively provided with a second sliding rail, a fence telescopic component and a plurality of suckers; the fence telescopic component is slidably arranged on the second sliding rail and is driven by the power component to do reciprocating telescopic motion along the second sliding rail; the plurality of suckers are fixedly arranged on the fence telescopic component; the first slide rail is perpendicular to the second slide rail. Set up like this and to make the sucking disc clamping part of constituteing by a plurality of sucking disc, accessible sliding plate and the flexible subassembly of fence slide rail on first slide rail and second slide rail reciprocating slide respectively, realize the sucking disc clamping part and adjust at radial and axial length to satisfy and can both press from both sides the work of getting to the material of unidimensional not, improve sucking disc anchor clamps's application scope.

Specifically, the control method of the suction cup clamp control system based on the visual inspection technology comprises the following control steps:

s1, before working, a self-checking procedure of the control system is firstly carried out, and the self-checking procedure is used for detecting whether the initial data of each component of the control system is a system zero point;

s2, after the self-checking procedure of S1 is finished, starting a control system, and placing the materials into a conveyer belt from the material placing side one by one at intervals;

s3, enabling the materials to move at a constant speed on the conveyor belt, enabling the materials to pass through the detection rack and be scanned and detected by the detection sensor, generating detection data and performing data calculation, and generating target control data and transmitting the target control data to the PLC control device and the industrial robot through the Ethernet;

s4, the PLC receives the target control data in S3 and generates a control signal; the control signals are respectively transmitted to the industrial robot and the sucker clamp through the Ethernet;

s5, after receiving the target control data in S3 and the control signal in S4, the industrial robot adjusts the angle of the mechanical arm to drive the sucker clamp to move towards the position of the material; meanwhile, after the sucker clamp receives the control signal in S4, the power assembly is started, the sliding plate and the fence telescopic assembly are adjusted, and further the axial length and the radial length of the sucker clamping part are adjusted to form a shape matched with the shape of the material;

s6, after the mechanical arm drives the sucker clamp to reach the material position, the industrial robot controls the sucker to perform adsorption clamping work on the material; transferring the adsorbed materials to a material storage station;

and S7, repeating the steps S3-S6, and clamping the materials on the conveyor belt.

Specifically, in step S3, the detection sensor detects the shape, the position of the center of gravity, the placement posture and the height of the material, generates detection data, performs data calculation, and generates control data of the adjustment target of the chuck clamp and control data of the displacement target of the industrial robot. Detecting material data by arranging a detection sensor, calculating detection data, and calculating target control data for controlling the clamping of the sucking disc to perform form adjustment according to the size and shape data of the material; and calculating target control data for controlling the industrial robot to perform displacement adjustment according to the position state data of the material.

Specifically, the data calculation method comprises the steps of calculating data of a clamping part of a sucker clamp and calculating data of an end tool and a material position of an industrial robot; the calculation uses the following calculation formula:

defining the width of the material as h; the width of the sliding plate is defined as d; the distance length between the two sliding plates is defined as k; the calculation formula among the three is as follows:

k =h- 3d；

the length of the material is defined as a; defining n by the length of the fence telescopic component; the length calculation formula of the fence telescopic assembly is as follows:

n= a-2d；

the industrial robot end position data is defined as P0, P0 is composed of industrial robot end tool center point position data defined as X0, Y0, Z0 and end tool center point posture position data defined as RX0, RY0 and RZ 0; defining the data of the material center offset position detected and processed by a visual detection device as delta X, delta Y and delta Z; defining the angle data of the processed material as delta alpha by using a visual detection device; defining P1 by the data of the actual material clamping position; the calculation formula of the displacement and angle adjustment of the industrial robot is as follows:

P0=[X0，Y0，Z0；RX0，RY0，RZ0]；

X1=X0+ΔX；

Y1=Y0+ΔY ；

Z1=Z0+ΔZ；

RZ1=RZ0+Δα；

p1= [ X1, Y1, Z1; RX1, RY1, RZ1 ]. Make the sucking disc anchor clamps carry out the posture adaptation adjustment to the material of different types and weight through such computational formula, make industrial robot drive sucking disc anchor clamps carry out the effective displacement that the material actually was got, guarantee the accuracy that the material was got and the security of transportation, prevent to press from both sides the circumstances that the in-process material skew dropped even.

Specifically, when the industrial robot and the chuck jig are adjusted according to the control signal of the PLC control device in steps S5 to S6, adjustment feedback data is generated and transmitted to the PLC control device via the ethernet. The feedback data comprises sucker vacuum detection data and robot target detection data. The setting is so that the work detection of the control system is carried out according to the feedback data, an operator can be reminded to check through the vacuum detection data, and whether the vacuum data are reduced due to damage of the suckers and the supporting equipment or the material is damaged due to self-judgment is judged. The robot target detection data can be used for detecting the running state of the robot, so that an operator can provide comparison data for the speed of the conveyor belt, the detection accuracy of the vision detection device and the running state of the industrial robot.

Compared with the prior art, the beneficial effect of this application lies in:

1. the control system is provided with the two sliding plates of the sucker clamp to slide relatively or oppositely along the radial direction, and meanwhile, the sucker clamping parts for width adjustment along the axial direction are arranged on the sliding plates, so that the sucker clamping parts can be adjusted along the radial direction and the axial direction, and the effect that materials with different sizes can be clamped can be achieved. The sucking disc clamp can be used for realizing that different materials on the same material transportation line only need one, the application range of the equipment is improved, and the working efficiency is also improved.

2. The control system detects characteristic data such as the form, the gravity center position, the placing posture, the material height and the like of a material through the machine vision detection device, further calculates the length and the width of the sucking disc clamping part, sends the data to the PLC control device, controls the power assembly, and realizes the self-adaptive change of the sucking disc clamp.

3. This control system connects material vision device, PLC controlling means, industrial robot and sucking disc anchor clamps each other through ethernet technique: the material characteristic data that detects visual detection device turns into analog data to data calculation and real-time transmission give PLC controlling means and industrial robot, reach the gesture regulation that changes the sucking disc clamp fast and get and industrial robot, the system response is quick, the precision, degree of automation is high.

Drawings

FIG. 1 is a flowchart illustrating the operation of the control system according to the present embodiment;

FIG. 2 is a schematic diagram of a part of the components of the control system of the present embodiment;

FIG. 3 is a schematic view of a chuck holder according to the present embodiment;

FIG. 4 is a top view of the chuck holder of the present embodiment;

fig. 5 is a schematic diagram illustrating data calculation in the control method according to the embodiment.

In the figure: 1. a conveyor belt; 2. a roller wheel; 3. a detection frame; 4. a detection sensor; 5. a first slide rail; 6. a sliding plate; 7. a fence telescoping assembly; 8. a suction cup; 9. a second slide rail; 10. a robot arm; 11. a stepping motor a; 12. a stepping motor b.

Detailed Description

The present application will be further explained with reference to the drawings in the examples of the present application. Because sucking disc clamping part quantity of sucking disc anchor clamps is two sets of, the length on both sides of the material of getting of pressing from both sides probably differs, for the convenience of expression, the length of two bars telescopic component with sucking disc anchor clamps is defined as n and m respectively, and the length on both sides of material is defined as a and b respectively. If the values of a and b are the same, the clamping surface of the material is rectangular or square, and if the values of a and b are different, the clamping surface of the material is trapezoidal.

Referring to fig. 1-5, this embodiment discloses a suction cup clamp control system based on visual inspection technology, which includes:

the material conveying line is provided with a conveying belt 1, and materials are put into the conveying belt from one side of the conveying belt and are driven by the conveying belt to move;

the visual detection device is used for detecting the materials on the material conveying line, generating detection data and calculating the data;

the sucker clamp is provided with two groups of sucker clamping parts consisting of a plurality of suckers 8; clamping the material by the sucker clamping part;

the industrial robot is provided with a multi-joint mechanical arm 10, and the mechanical arm 10 is provided with a tail end connecting part for mounting a sucker clamp;

the PLC control device is used for receiving the data of the visual detection device and generating a control signal;

the visual detection device, the sucker clamp, the industrial robot and the PLC control device are connected with each other through Ethernet; the visual detection device is fixedly arranged on the discharging side of the conveyer belt 1; the sucker clamping parts are driven by a stepping motor a11 and a stepping motor b12 to adjust the distance between the two groups of sucker clamping parts and the length of the sucker clamping parts; after the material is put into the transportation area, detect by visual detection device, generate control signal through PLC controlling means, control industrial robot drives the sucking disc anchor clamps and removes to the material position, gets work by the sucking disc clamping part to the material clamp.

Further, the material conveying line comprises a conveying frame and a conveying belt 1; the conveyer belt 1 consists of a plurality of roller wheels 2 which are connected in parallel.

Further, the visual inspection device comprises an inspection frame 3, an inspection sensor 4 and a data calculation unit; the detection frame 3 is a door-shaped frame and spans the upper side of the conveyer belt 1; the two detection sensors 4 are oppositely arranged on two sides of the detection frame 3, and the other detection sensor 4 is fixedly arranged on the upper side of the detection frame 3; the data calculation unit is electrically connected with the detection sensor 4.

Further, the industrial robot further comprises a mounting seat and a rotating table; the multi-joint mechanical arm is fixedly arranged on the rotating platform; the rotating platform can rotate circularly and is fixedly connected with the mounting seat.

Further, the sucker fixture comprises a mounting plate, two sliding plates 6 and two first sliding rails 5; a mounting flange is arranged on one side of the mounting plate and is fixedly connected with the tail end of the mechanical arm 10, and a first sliding rail 5 is fixedly mounted on the surface of the other side of the mounting plate; the two sliding plates 6 are relatively and parallelly arranged on the first sliding rail 5 in a sliding manner, and are driven by the stepping motor a11 to perform reciprocating sliding relative to or opposite to each other. The two sliding plates 6 are respectively provided with a second sliding rail 9, a fence telescopic component 7 and a plurality of suckers 8; the fence telescopic component 7 is slidably mounted on the second slide rail 9 and driven by a stepping motor b12 to do reciprocating telescopic motion along the second slide rail 9; a plurality of suckers 8 are fixedly arranged on the fence telescopic component 7. The first slide rail 5 and the second slide rail 9 are mutually vertical in space.

Further, a control method of a sucker clamp control system based on a visual inspection technology comprises the following control steps:

s1, before working, a self-checking procedure of the control system is firstly carried out, and the self-checking procedure is used for detecting whether the initial data of each component of the control system is a system zero point;

s2, after the self-checking procedure of S1 is finished, starting a control system, and placing the materials into the conveyer belt 1 from the discharging side one by one at intervals;

s3, enabling the materials to move on the conveyor belt 1 at a constant speed, enabling the materials to pass through the detection frame 3 and be scanned and detected by the detection sensor 4, generating detection data and performing data calculation, and generating target control data and transmitting the target control data to the PLC control device and the industrial robot through the Ethernet;

s4, the PLC receives the target control data in S3 and generates a control signal; the control signals are respectively transmitted to the industrial robot and the sucker clamp through the Ethernet;

s5, after receiving the target control data in S3 and the control signal in S4, the industrial robot adjusts the angle of the mechanical arm 10 and drives the sucker clamp to move towards the material position; meanwhile, after the suction cup clamp receives the control signal in S4, the stepping motor a11 and the stepping motor b12 are started, the sliding plate 6 and the fence telescopic assembly 7 are adjusted, and further the axial length and the radial length of the clamping part of the suction cup are adjusted to form a shape matched with the shape of the material;

s6, after the mechanical arm 10 drives the sucker clamp to reach the material level, the industrial robot controls the sucker 8 to perform adsorption clamping work on the material; transferring the adsorbed materials to a material storage station;

and S7, repeating the steps S3-S6, and clamping the materials on the conveyer belt 1.

Further, in step S3, the detection sensor 4 detects the form, the position of the center of gravity, the placement posture, and the height of the material, generates detection data, performs data calculation, and generates control data of the adjustment target of the chuck clamp and control data of the displacement target of the industrial robot.

Further, the data calculation method comprises the steps of calculating data of a clamping part of the sucker clamp and calculating data of an end tool and a material position of the industrial robot; the calculation uses the following calculation formula:

defining the width of the material as h; the width of the sliding plate is defined as d; the distance length between the two sliding plates is defined as k; the calculation formula among the three is as follows:

k =h-3d；

the length of one side of the material is defined as a; the length of the other side is defined as b; the length of a fence telescopic component of the sucker clamp defines n; the length of the other fence telescopic component is defined as m; the length calculation formula of the fence telescopic assembly is as follows:

n= a-2d；

m=b-2d；

the industrial robot end position data is defined as P0, P0 is composed of industrial robot end tool center point position data defined as X0, Y0, Z0 and end tool center point posture position data defined as RX0, RY0 and RZ 0; defining the data of the material center offset position detected and processed by a visual detection device as delta X, delta Y and delta Z; defining the angle data of the processed material as delta alpha by using a visual detection device; defining P1 by the data of the actual material clamping position; the calculation formula of the displacement and angle adjustment of the industrial robot is as follows:

P0=[X0，Y0，Z0；RX0，RY0，RZ0]；

X1=X0+ΔX；

Y1=Y0+ΔY ；

Z1=Z0+ΔZ；

RZ1=RZ0+Δα；

P1=[X1，Y1，Z1；RX1，RY1，RZ1]。

further, when the industrial robot and the chuck jig are adjusted according to the control signal of the PLC control device in steps S5 to S6, adjustment feedback data is generated and transmitted to the PLC control device through the ethernet. The feedback data comprises sucker vacuum detection data and robot target detection data.

The working principle is as follows: during operation, industrial robot is controlled by PLC controlling means according to the position data of material, adjusts robotic arm 10's running angle, and the position removal is got according to the material clamp to the drive sucking disc anchor clamps. PLC controlling means is according to the material overall dimension on the material transportation line, when the material is big rectangular material, two sliding plates 6 of sucking disc anchor clamps are under step motor a 11's drive, along first slide rail 5 sliding in opposite directions, the flexible subassembly 7 of fence on two sliding plates 6 is under step motor b 12's drive simultaneously, along the extension of second slide rail 9 axial, the clamping part of constituteing by the sucking disc 8 of both sides, form one with the big rectangular structure of big rectangular material looks adaptation, industrial robot adjusts robotic arm 10 simultaneously. On the contrary, when the material is in a small rectangle shape, the material is reversely rotated by the stepping motor a11 and the stepping motor b12 to be adjusted, and the clamping part consisting of the suction cup 8 forms a small rectangle structure matched with the material in the small rectangle shape, and then the material is clamped. If the material is trapezoidal one side is long limit, and one side is the minor face, then need carry out opposite regulation with two step motor b12 for two clamping part one sides are long limit structure, and the opposite side is the minor face structure, carry out the material again and get work.

The control system carries out the work of material clamp getting through this application, and degree of automation is high, and production is quick, and the operator only needs to carry out system detection according to feedback data when actual work can.

The present invention is not limited to the above embodiments, and those skilled in the art can make various equivalent changes and substitutions without departing from the principle of the present invention after learning the content of the present invention, and these equivalent changes and substitutions should be considered as belonging to the protection scope of the present invention.