CN213580627U

CN213580627U - Semi-automatic detection device for rubber sealing ring

Info

Publication number: CN213580627U
Application number: CN202020252441.1U
Authority: CN
Inventors: 孙逸晨; 张陈; 李文贤; 袁吴越; 吴志坚
Original assignee: Jiangsu University of Technology
Current assignee: Jiangsu University of Technology
Priority date: 2020-03-04
Filing date: 2020-03-04
Publication date: 2021-06-29
Anticipated expiration: 2030-03-04

Abstract

The utility model relates to a rubber seal detects technique specifically is a semi-automatic detection device of rubber seal, including the electric cabinet, the tricolor lamp, the PC, the PLC controller, the conveyer belt, the pay-off motor, X is to the module, Y is to the module, correlation formula sensor one, correlation formula sensor two, vertical camera module and horizontal camera module, the electric cabinet, the tricolor lamp, PC and PLC controller are all installed on the electric cabinet, X includes X to the module to the base, X is to the lead screw, X is to the motor, X is installed on X is to the base to the fuselage of motor, X links to the lead screw to the output shaft of motor and X, Y includes Y to the support to the module, Y is to lead screw and Y to the motor, Y is installed on the electric cabinet to the support, Y is installed on Y is to the support to the fuselage of motor.

Description

Semi-automatic detection device for rubber sealing ring

Technical Field

The utility model relates to a rubber seal detects the technique, specifically is a semi-automatic checkout device of rubber seal.

Background

At present, manual measurement is mostly carried out on the size of the sealing ring by holding a vernier caliper manually, defects such as pit spots and the like on the surface quality are observed through human eyes, so that the detection of one sealing ring takes a long time, and therefore, sampling detection is mostly adopted at present.

At present, the design that automatic feeding is carried out to the charging tray in the adoption vibration also has, but because rubber seal is made for the rubber material, so have certain elasticity, so adopt the vibration to go up the charging tray often can lead to rubber seal to be in the position confusion on the drive belt or drop from the operation mesa, can't realize stable detection on the conveyer belt.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model overcomes current defect, provides a semi-automatic checkout device of rubber seal.

In order to solve the technical problem, the utility model provides a following technical scheme: a semi-automatic detection device for a rubber sealing ring comprises an electric cabinet, a three-color lamp, a PC (personal computer), a PLC (programmable logic controller), a conveyor belt, an X-direction module, a Y-direction module, a first correlation sensor, a second correlation sensor, a vertical camera module and a horizontal camera module, wherein the electric cabinet, the three-color lamp, the PC and the PLC are all installed on the electric cabinet, the X-direction module comprises an X-direction base, an X-direction lead screw and an X-direction motor, a machine body of the X-direction motor is installed on the X-direction base, an output shaft of the X-direction motor is linked with the X-direction lead screw, the Y-direction module comprises a Y-direction support, a Y-direction lead screw and a Y-direction motor, the Y-direction support is installed on the electric cabinet, a machine body of the Y-direction motor is installed on the Y-direction support, an output shaft of the Y-direction motor is linked with the Y-direction lead screw, the Y-direction lead screw is rotatably matched with the X-direction, still include automatically controlled clamping jaw, automatically controlled clamping jaw and X are to lead screw normal running fit, vertical camera module and horizontal camera module are all installed on the electric cabinet, the vertical camera lens of vertical camera module perpendicular to electric cabinet is located the top of conveyer belt, the horizontal camera lens of horizontal camera module is on a parallel with the electric cabinet and towards the conveyer belt, and feeding motor, correlation formula sensor one, correlation formula sensor two, vertical camera module, horizontal camera module, X are connected with the PLC controller electricity respectively to motor and Y, the PLC controller is connected with the PC electricity.

Preferably, the first correlation sensor and the second correlation sensor have the same structure, the first correlation sensor comprises an L-shaped sensor frame and a correlation sensor, the L-shaped sensor frame is installed on the electric cabinet, and the correlation sensor is in sliding fit with the L-shaped sensor frame.

Preferably, the vertical camera module comprises an L-shaped vertical camera support and a vertical camera lens, the L-shaped vertical camera support is mounted on the electric cabinet, and the vertical camera lens is in horizontal sliding fit with the L-shaped vertical camera support.

Preferably, the horizontal camera module comprises a horizontal camera support and a horizontal camera lens, the horizontal camera support is mounted on the electric cabinet, and the horizontal camera lens is vertically matched with the horizontal camera support in a sliding manner.

As preferred, automatically controlled clamping jaw includes clamping jaw cylinder, clamping jaw base, clamping jaw clamp plate, clamping jaw spring and clamping jaw, the body of clamping jaw cylinder passes through support and X to lead screw normal running fit, and the flexible end and the clamping jaw base of clamping jaw cylinder are connected, install clamping jaw spring and clamping jaw on the clamping jaw base respectively, the clamping jaw spring still is connected with the clamping jaw clamp plate, the clamping jaw passes the clamping jaw clamp plate and with clamping jaw clamp plate sliding fit, the clamping jaw cylinder is also connected with the PLC controller electricity.

Preferably, a rotating motor is further arranged on the clamping jaw.

The utility model discloses beneficial effect: the utility model discloses a semi-automatic detection device of rubber seal can put on the conveyer belt through the manual work to the upper surface of the rubber seal who needs to detect, and can guarantee the transport stability of rubber seal on the conveyer belt, and can effectively drive automatically controlled clamping jaw to the module through X and Y and press from both sides and get and promote rubber seal, and through the accurate position that detects rubber seal of correlation formula sensor one and correlation formula sensor two, accurate shoot and image analysis are carried out to rubber seal to vertical camera lens of rethread and horizontal camera lens, thereby realize the surface defect detection to rubber seal.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

Fig. 1 is a schematic structural view of a semi-automatic detection device for a rubber seal ring of the present invention;

fig. 2 is a schematic structural view of the semi-automatic detection device for the rubber sealing ring of the present invention;

fig. 3 is a schematic view of a partial structure of the semi-automatic detection device for the rubber sealing ring of the present invention;

fig. 4 is a schematic view of a partial structure of the semi-automatic detection device for the rubber sealing ring of the present invention;

fig. 5 is a schematic structural view of an electrically controlled clamping jaw of the semi-automatic detection device for the rubber sealing ring of the present invention;

reference numbers in the figures: 1. an electric cabinet; 2. a three-color lamp; 3. a PC machine; 4. a PLC controller; 7. A conveyor belt; 8. a feeding motor; 9. an X-direction module; 91. a base in the X direction; 92. a screw rod in the X direction; 93. an X-direction motor; 10. a Y-direction module; 101. a Y-direction bracket; 102. a Y-direction lead screw; 103. A Y-direction motor; 11. a first correlation sensor; 111. an L-shaped sensor frame; 112. a correlation sensor; 12. a second correlation sensor; 13. a vertical camera module; 131. an L-shaped vertical camera mount; 132. a vertical camera lens; 14. a horizontal camera module; 141. a horizontal camera mount; 142. a horizontal camera lens; 15. an electrically controlled clamping jaw; 151. a clamping jaw cylinder; 152. a jaw base; 153. a clamping jaw pressing plate; 154. a jaw spring; 155. jaws 156, a rotary motor.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

A semi-automatic detection device for a rubber sealing ring comprises an electric cabinet 1, a three-color lamp 2, a PC 3, a PLC controller 4, a conveyor belt 7, an X-direction module 9, a Y-direction module 10, a correlation sensor I11, a correlation sensor II 12, a vertical camera module 13 and a horizontal camera module 14, wherein the electric cabinet 1, the three-color lamp 2, the PC 3 and the PLC controller 4 are all installed on the electric cabinet 1, the X-direction module 9 comprises an X-direction base 91, an X-direction lead screw 92 and an X-direction motor 93, the body of the X-direction motor 93 is installed on the X-direction base 91, the output shaft of the X-direction motor 93 is linked with the X-direction lead screw 92, the Y-direction module 10 comprises a Y-direction support 101, a Y-direction lead screw 102 and a Y-direction motor 103, the Y-direction support 101 is installed on the electric cabinet 1, the body of the Y-direction motor 103 is installed on the Y-direction support 101, the output shaft of the Y-direction motor 103 is linked with the, the Y-direction lead screw 102 is in running fit with the X-direction base 91, the first correlation sensor 11 and the second correlation sensor 12 are both installed on the electric cabinet 1, the electric control clamping jaw 15 is further included, the electric control clamping jaw 15 is in running fit with the X-direction lead screw 92, the vertical camera module 13 and the horizontal camera module 14 are both installed on the electric cabinet 1, a vertical camera lens 132 of the vertical camera module 13 is perpendicular to the electric cabinet 1 and located above the conveyor belt 7, a horizontal camera lens 142 of the horizontal camera module 14 is parallel to the electric cabinet 1 and faces the conveyor belt 7, the feeding motor 8, the first correlation sensor 11, the second correlation sensor 12, the vertical camera module 13, the horizontal camera module 14, the X-direction motor 93 and the Y-direction motor 103 are respectively and electrically connected with the PLC 4, and the PLC 4 is electrically connected with the PC 3; the first correlation sensor 11 and the second correlation sensor 12 are identical in structure, the first correlation sensor 11 comprises an L-shaped sensor frame 111 and a correlation sensor 112, the L-shaped sensor frame 111 is installed on the electric cabinet 1, and the correlation sensor 112 is in sliding fit with the L-shaped sensor frame 111; the vertical camera module 13 comprises an L-shaped vertical camera bracket 131 and a vertical camera lens 132, the L-shaped vertical camera bracket 131 is installed on the electric cabinet 1, and the vertical camera lens 132 is in horizontal sliding fit with the L-shaped vertical camera bracket 131; the horizontal camera module 14 comprises a horizontal camera bracket 141 and a horizontal camera lens 142, the horizontal camera bracket 141 is mounted on the electric cabinet 1, and the horizontal camera lens 142 is vertically matched with the horizontal camera bracket 141 in a sliding manner; the electric control clamping jaw 15 comprises a clamping jaw air cylinder 151, a clamping jaw base 152, a clamping jaw pressing plate 153, a clamping jaw spring 154 and a clamping jaw 155, wherein the cylinder body of the clamping jaw air cylinder 151 is in running fit with the X-direction screw rod 92 through a support, the telescopic end of the clamping jaw air cylinder 151 is connected with the clamping jaw base 152, the clamping jaw base 152 is respectively provided with the clamping jaw spring 154 and the clamping jaw 155, the clamping jaw spring 154 is also connected with the clamping jaw pressing plate 153, the clamping jaw 155 penetrates through the clamping jaw pressing plate 153 and is in sliding fit with the clamping jaw pressing plate 153, and the clamping jaw air cylinder 151 is also electrically connected; the clamping jaw 155 is also provided with a rotating motor 156

In specific implementation, the method comprises the following steps: the method comprises the following steps: the detection device is started, the PC 3 of the detection device and the PLC 4 of the detection device can collect state information of the tricolor lamp 2, the first correlation sensor 11, the second correlation sensor 12, the vertical camera module 13, the horizontal camera module 14, the X-direction motor 93, the Y-direction motor 103 and the clamping jaw cylinder 151, reset the state information and feed back the reset state information to the PC 3; if the state information is normal, waiting for the next operation information of the PC machine 3, if the state information is normal, alarming by a buzzer of the three-color lamp 2, and if the state information is normal, prompting a worker to place the sealing ring to be detected on a conveying belt;

step two: after the sealing rings are uniformly arranged, the sealing rings are conveyed to the position below a vertical camera module 13 through a conveyor belt, after a trigger signal is detected by a first correlation sensor 11, a PLC (programmable logic controller) 4 sends a signal to a vertical camera lens 132 to collect image information of the upper surface of the sealing ring, meanwhile, the conveyor belt stops conveying, the signal of the vertical camera lens 132 is waited, a system analyzes the upper surface of the sealing ring according to an image processing flow, whether flaws exist on the upper surface is determined, and after the detection is finished, the conveyor belt 7 is driven again to move the sealing rings forwards to a second correlation sensor 12;

step three: when the second correlation sensor 12 detects a sealing ring, the movement of the conveyor belt 7 is kept stopped, the X-direction motor 93 of the X-direction module 9 and the Y-direction motor 103 of the Y-direction module 10 start to work, so that the position of the electric control clamping jaw 15 including the clamping jaw cylinder 151 advances to the upper side of the sealing ring, the clamping jaw cylinder 151 drives the clamping jaw base 152, the clamping jaw pressing plate 153, the clamping jaw spring 154 and the clamping jaw 155 to press downwards, the sealing ring is pressed by the clamping jaw pressing plate 153, the sealing ring is clamped by the clamping jaw 155 and moved to the position of the horizontal camera lens 142 of the horizontal camera module 14, the clamping jaw 155 is driven to rotate by the rotating motor 156, the sealing ring is driven to rotate at least 360 degrees relative to the position of;

step four: after the upper surface and the side surface of the sealing ring are collected by the vertical camera module 13 and the horizontal camera module 14, the size, the surface quality and the side surface quality of the upper surface of the sealing ring can be obtained by analyzing an image processing flow; if the precision of the sealing ring exceeds the upper limit and the lower limit of the precision of the sealing ring, the sealing ring is regarded as an unqualified product; if the range is within, the product is regarded as qualified.

The image processing flow comprises the following steps: when the first correlation sensor 11 and the second correlation sensor 12 detect the rubber seal ring, the vertical camera module 13 and the horizontal camera module 14 take a picture and transmit the picture to a computer, at the moment, the target is extracted first, the rubber seal ring picture is separated from the background picture, and the picture processing efficiency is improved;

step two: then, detecting an interested region, namely a data dimension reduction method, extracting a suspected target region from the acquired image data of the rubber seal ring, removing the complex interference of the background and improving the subsequent image processing speed; image preprocessing and image enhancement are carried out on the ROI detection data, so that the image is converted into a form more suitable for human eye observation and machine analysis and recognition, and the visual effect of the image is improved;

step three: an image gray level transformation unit in a processing module of a computer performs gray level processing on a rubber ring image by adopting a weighted average method, the processed gray level image is transmitted to an image filtering unit, the image filtering unit performs noise reduction and smoothing on the gray level image by adopting a median filtering method, simultaneously removes an image with color noise interference, retains a rubber ring detection region image, namely an ROI region image, transmits the rubber ring image to an image binarization processing unit, the image binarization processing unit divides a rubber sealing ring from a background image by adopting a valve value method, extracts a sealing ring defect and a size image to be detected, and transmits the extracted sealing ring defect and size image to a sub-pixel edge detection unit;

step four: the sub-pixel edge detection unit carries out sub-pixel edge positioning on the rubber sealing ring by using an orthogonal space matrix method to obtain a sub-pixel edge image of the rubber sealing ring, the sub-pixel edge image is transmitted to the size calibration unit, the size calibration unit converts pixels of the image into actual sizes according to a sealing ring size calibration method, and finally, the actual sizes are compared with a given standard size to analyze whether a detected area meets requirements, and finally, results are stored in a database.

The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.

Claims

1. The utility model provides a semi-automatic checkout device of rubber seal which characterized in that: comprises an electric cabinet (1), a three-color lamp (2), a PC (3), a PLC (4), a conveyor belt (7), a feeding motor (8), an X-direction module (9), a Y-direction module (10), a correlation sensor I (11), a correlation sensor II (12), a vertical camera module (13) and a horizontal camera module (14), wherein the electric cabinet, the three-color lamp (2), the PC (3) and the PLC (4) are all arranged on the electric cabinet (1), the X-direction module (9) comprises an X-direction base (91), an X-direction lead screw (92) and an X-direction motor (93), the body of the X-direction motor (93) is arranged on the X-direction base (91), the output shaft of the X-direction motor (93) is linked with the X-direction lead screw (92), the Y-direction module (10) comprises a Y-direction bracket (101), a Y-direction lead screw (102) and a Y-direction motor (103), the Y-direction support (101) is installed on the electric cabinet (1), the body of the Y-direction motor (103) is installed on the Y-direction support (101), the output shaft of the Y-direction motor (103) is linked with the Y-direction lead screw (102), the Y-direction lead screw (102) is in running fit with the X-direction base (91), the first correlation sensor (11) and the second correlation sensor (12) are both installed on the electric cabinet (1), the Y-direction motor further comprises an electric control clamping jaw (15), the electric control clamping jaw (15) is in running fit with the X-direction lead screw (92), the vertical camera module (13) and the horizontal camera module (14) are both installed on the electric cabinet (1), the vertical camera lens (132) of the vertical camera module (13) is perpendicular to the electric cabinet (1) and located above the conveyor belt (7), the horizontal camera lens (142) of the horizontal camera module (14) is parallel to the electric cabinet (1) and faces the conveyor belt (7), the feeding motor (8), the first correlation sensor (11), the second correlation sensor (12), the vertical camera module (13), the horizontal camera module (14), the X-direction motor (93) and the Y-direction motor (103) are respectively electrically connected with the PLC (4), and the PLC (4) is electrically connected with the PC (3).

2. The semi-automatic detection device for the rubber sealing ring according to claim 1, characterized in that: the correlation type sensor I (11) and the correlation type sensor II (12) are identical in structure, the correlation type sensor I (11) comprises an L-shaped sensor frame (111) and a correlation type sensor (112), the L-shaped sensor frame (111) is installed on the electric cabinet (1), and the correlation type sensor (112) is in sliding fit with the L-shaped sensor frame (111).

3. The semi-automatic detection device for the rubber sealing ring according to claim 1, characterized in that: the vertical camera module (13) comprises an L-shaped vertical camera support (131) and a vertical camera lens (132), the L-shaped vertical camera support (131) is installed on the electric cabinet (1), and the vertical camera lens (132) is in horizontal sliding fit with the L-shaped vertical camera support (131).

4. The semi-automatic detection device for the rubber sealing ring according to claim 1, characterized in that: the horizontal camera module (14) comprises a horizontal camera support (141) and a horizontal camera lens (142), the horizontal camera support (141) is installed on the electric cabinet (1), and the horizontal camera lens (142) is in vertical sliding fit with the horizontal camera support (141).

5. The semi-automatic detection device for the rubber sealing ring according to claim 1, characterized in that: automatically controlled clamping jaw (15) are including clamping jaw cylinder (151), clamping jaw base (152), clamping jaw clamp plate (153), clamping jaw spring (154) and clamping jaw (155), the body of clamping jaw cylinder (151) passes through support (16) and X to lead screw (92) normal running fit, and the flexible end and the clamping jaw base (152) of clamping jaw cylinder (151) are connected, install clamping jaw spring (154) and clamping jaw (155) on clamping jaw base (152) respectively, clamping jaw spring (154) still are connected with clamping jaw clamp plate (153), clamping jaw (155) pass clamping jaw clamp plate (153) and with clamping jaw clamp plate (153) sliding fit, clamping jaw cylinder (151) also are connected with PLC controller (4) electricity.

6. The semi-automatic detection device for the rubber sealing ring according to claim 1, characterized in that: the clamping jaw (155) is also provided with a rotating motor (156).