Automatic detection device for silk-screen labels

By designing an automatic inspection device for screen-printed labels, the problems of inconsistent standards and low efficiency in manual inspection have been solved. This device enables automated inspection of label surface defects, improving inspection efficiency and quality. It is simple, convenient, and efficient to operate, reducing human error, protecting the eyesight of inspection workers, and realizing automated production line production of screen-printed labels.

CN223902389UActive Publication Date: 2026-02-13JIANGSU YUANYUAN INTELLIGENT EQUIP TECH CO LTD
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Patent Information

Application Number
CN202422859187.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-22
Publication Date
2026-02-13
Estimated Expiration
2034-11-22

AI Technical Summary

Technical Problem

In existing technologies, the detection of surface defects in screen-printed label products relies on manual visual inspection, which leads to inconsistent inspection standards, low efficiency, and significant visual fatigue.

Method used

Design an automatic inspection device for screen-printed labels, including a paging unit, an inspection unit, a reject unit, and a feeding unit. The device uses a conveyor belt to transport materials, utilizes an industrial camera and light source for real-time inspection, and removes defective labels through a combination of cylinders and transition plates, thus possessing automated defect detection capabilities.

Benefits of technology

It improves testing efficiency and quality consistency, reduces human error, protects the eyesight of inspection workers, and enables automated production line production of screen-printed labels.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223902389U_ABST
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Abstract

The utility model discloses a silk-screen label automatic detection device which comprises a paging unit, a detection unit, a waste removing unit and a discharging unit, the paging unit, the detection unit and the discharging unit all adopt conveying belts for material conveying, and the waste removing unit adopts a combination of an air cylinder and a transition plate to guide unqualified labels to enter a waste box. The detection unit is provided with an industrial camera and a light source and can detect labels below the conveying belt in real time and output images and signals, and the discharging unit collects and stores qualified labels through a discharging plate. The silk-screen label surface defect detection device can greatly improve the detection efficiency of silk-screen label surface defects and improve the consistency of the detection quality and the detection standard.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a silk-screen label automatic detection device and belongs to the technical field of automatic detection equipment. BACKGROUND

[0002] At present, most factories still adopt manual visual method to test the surface defects of silk-screen label products, and different manual test standards have differences in the process, and for some tiny defect detection, the subjective judgment of each tester is difficult to reach an agreement, which may affect the accuracy of the final result. For a large number of silk-screen label products, long-time manual testing will inevitably cause visual fatigue of the human eye, thereby reducing the speed and accuracy of testing.

[0003] According to the existing test process and standard, a silk-screen label automatic detection device is designed, which can greatly improve the test efficiency of the surface defects of the silk-screen label, improve the detection quality and the consistency of the detection standard. For the test workers, not only the repetitive labor can be reduced, but also the eyesight of the employees can be protected, and the accuracy of defect detection can be improved. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a silk-screen label automatic detection device for realizing automatic defect detection, including a series of processes from feeding to discharging, thereby improving the operation efficiency and improving the defect detection quality.

[0005] In order to achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows: a silk-screen label automatic detection device, which comprises a paging unit, a detection unit, a rejection unit and a discharging unit, the paging unit, the detection unit and the discharging unit all adopt a conveying belt to transfer materials, the rejection unit adopts a combination of a pneumatic cylinder and a transition plate to guide the unqualified label into a waste box, the detection unit is provided with an industrial camera and a light source, can detect the label below the conveying belt in real time and output images and signals, and the discharging unit adopts a discharging plate to collect and store the qualified label.

[0006] Further, the detection unit includes a display screen, an industrial computer, a control box, a light source adjusting module, a motor adjusting module, a support seat, a fixed rod, a first compression wheel, a detection box baffle, a detection box frame, a detection position conveying belt, a first synchronous wheel, a first synchronous belt, a first fixed plate, a second synchronous wheel, a linear slide rail, a slide rail adjusting seat, a slide rail adjusting knob, a camera fixed plate, a sensor, an industrial camera, a light source, a light source fixed plate, a light source distance adjusting plate, a display screen support frame, a display screen wall hanging rack and a detection unit drive motor, the first fixed plate is fixed on the frame, the detection unit drive motor is arranged on the first fixed plate, the first synchronous wheel is fixed on the detection unit drive motor, and the first synchronous belt is connected with the second synchronous wheel, the support seat is fixed on the frame, the fixed rod is connected to the support seat, and the first compression wheel is fixed on the fixed rod.

[0007] Further, the detection box frame is fixed with the frame and is arranged above the detection position conveying belt, detection box baffles are arranged around the detection box frame and the top area, the linear slide rail is fixed inside the detection box frame, the slide rail adjusting seat is installed on the linear slide rail and is provided with the slide rail adjusting knob, the camera fixed plate is fixed with the slide rail adjusting seat, the sensor and the industrial camera are fixed on the camera fixed plate, the light source distance adjusting plate is fixed on the slide rail adjusting seat on the left and right sides, the light source fixed plate is arranged below the light source distance adjusting plate, and the light source is fixed on the light source fixed plate.

[0008] Further, the industrial computer and the control box are fixed on the middle layer of the frame, the light source adjusting module and the motor adjusting module are arranged in the control box, the display screen support frame is fixed on the frame, the display screen wall hanging rack is connected with the frame and is fixed with the display screen on the other side.

[0009] Further, the kick waste unit includes a transition plate, a short rod, a waste inclined plate, a lifting cylinder, a cylinder fixed plate and a waste box, the cylinder fixed plate is connected with the frame and is provided with the lifting cylinder, the lifting cylinder and the transition plate are connected through the short rod, the waste inclined plate is connected with the waste box, and the waste box is fixed on the middle layer of the frame.

[0010] Further, the blanking unit includes a blanking side edge stop, an expansion flat plate, a blanking plate, a fixed plate protection cover, a blanking unit drive motor, a second fixed plate, an operation platform, a mouse, a keyboard, a horizontal frame, a second compression wheel, a rectangular rod, a third compression wheel, a second synchronous belt, a third synchronous wheel and a fourth synchronous wheel, the second fixed plate is connected with the frame, the blanking unit drive motor is fixed on the second fixed plate, the fixed plate protection cover is arranged outside, the third synchronous wheel is fixed with the blanking unit drive motor and is connected with the fourth synchronous wheel through the second synchronous belt.

[0011] Further, the cross frame is fixed on the frame, the rectangular rod is fixed on the frame, the second pressing wheel and the third pressing wheel are fixed on the rectangular rod, the blanking plate is connected with the tail end of the frame, the left and right blanking side edges are arranged on the blanking plate, the expansion plate is connected with the blanking plate, the blanking side edge is fixed on the expansion plate, the operation platform is fixed with the frame, and the mouse and the keyboard are placed on the operation platform.

[0012] The device has the advantages that the automatic feeding, paging, detecting and rejecting of the silk-screen label are realized, the quality detection of the surface defects of the silk-screen label is realized, the effective collection of qualified products and unqualified products is realized, the device for automatically detecting the silk-screen label solves the problem of time-consuming and laborious manual detection, reduces the defect misjudgment caused by different human detection standards, greatly improves the detection efficiency, and has the advantages of simple operation, convenience, high work efficiency and the like.

[0013] The additional aspects and advantages of the present application will be given in part in the following description, and will become apparent from the following description, or will be learned by practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a device structure schematic view of the present application;

[0015] Figure 2 It is a detection unit schematic view of the present application;

[0016] Figure 3 It is a detection box internal schematic view of the present application;

[0017] Figure 4 It is a blanking unit schematic view of the present application;

[0018] Figure 5 It is a rejection unit schematic view of the present application.

[0019] In the figure: 1, page unit; 2, detection unit; 3, reject unit; 4, blanking unit; 5, frame; 201, display screen; 202, industrial computer; 203, control box; 204, light source adjusting module; 205, motor adjusting module; 206, support seat; 207, fixed rod; 208, first compression wheel; 209, detection box baffle; 210, detection box frame; 211, detection position conveying belt; 212, first synchronous wheel; 213, first synchronous belt; 214, first fixed plate; 215, second synchronous wheel; 216, linear slide rail; 217, slide rail adjusting seat; 218, slide rail adjusting knob; 219, camera fixed plate; 220, sensor; 221, industrial camera; 222, light source; 223, light source fixed plate; 224, light source distance adjusting plate; 225, display screen support frame; 226, display screen wall hanging frame; 227, detection unit driving motor; 301, transition plate; 302, short rod; 303, waste inclined plate; 304, lifting cylinder; 305, cylinder fixed plate; 306, waste box; 401, blanking side edge block; 402, expansion flat plate; 403, blanking plate; 404, fixed plate protection cover; 405, blanking unit driving motor; 406, second fixed plate; 407, operation platform; 408, mouse; 409, keyboard; 410, horizontal frame; 411, second compression wheel; 412, oblong rod; 413, third compression wheel; 414, second synchronous belt; 415, third synchronous wheel; 416, fourth synchronous wheel. DETAILED DESCRIPTION

[0020] The utility model will be described in detail below in combination with the drawings and specific embodiments.

[0021] Please refer to Figures 1-5 The utility model provides an embodiment: a silk-screen label automatic detection device, including page unit 1, detection unit 2, reject unit 3 and blanking unit 4, wherein:

[0022] The detection unit 2 includes a display screen 201, an industrial computer 202, a control box 203, a light source adjusting module 204, a motor adjusting module 205, a support seat 206, a fixed rod 207, a first pressing wheel 208, a detection box baffle 209, a detection box frame 210, a detection position conveyor belt 211, a first synchronous wheel 212, a first synchronous belt 213, a first fixed plate 214, a second synchronous wheel 215, a linear slide rail 216, a slide rail adjusting seat 217, a slide rail adjusting knob 218, a camera fixing plate 219, a sensor 220, an industrial camera 221, a light source 222, a light source fixing plate 223, a light source distance adjusting plate 224, a display screen support 225, a display screen wall hanging rack 226, and a detection unit driving motor 227. The first fixed plate 214 is fixed on the frame 5, the detection unit driving motor 227 is arranged on the first fixed plate 214, the first synchronous wheel 212 is fixed on the detection unit driving motor 227, and the first synchronous belt 213 is connected with the second synchronous wheel 215, the support seat 206 is fixed on the frame 5, the fixed rod 207 is connected to the support seat 206, and the first pressing wheel 208 is fixed on the fixed rod 207.

[0023] The detection box frame 210 is fixed with the frame 5 and is arranged above the detection position conveyor belt 211. The detection box frame 210 is provided with detection box baffles 209 around and on the top. The linear slide rail 216 is fixed inside the detection box frame 210. The slide rail adjusting seat 217 is installed on the linear slide rail 216 and is provided with a slide rail adjusting knob 218. The camera fixing plate 223 is fixed with the slide rail adjusting seat 217. The sensor 220 and the industrial camera 221 are fixed on the camera fixing plate 219. The light source distance adjusting plate 224 is fixed on the slide rail adjusting seat 217 on the left and right sides. The light source distance adjusting plate 224 is provided with a light source fixing plate 223 below. The light source 222 is fixed on the light source fixing plate 223. The industrial computer 202 and the control box 203 are fixed in the middle layer of the frame 5. The light source adjusting module 204 and the motor adjusting module 205 are arranged in the control box 203. The display screen support 225 is fixed on the frame 5. The display screen wall hanging rack 226 is connected with the frame 5 and is fixed with the display screen 201 on the other side.

[0024] The waste kicking unit 3 includes a transition plate 301, a short rod 302, a waste inclined plate 303, a lifting cylinder 304, a cylinder fixing plate 305, and a waste box 306. The cylinder fixing plate 305 is connected with the frame 5 and is provided with the lifting cylinder 304. The lifting cylinder 304 and the transition plate 301 are connected through the short rod 302. The waste inclined plate 303 is connected with the waste box 306. The waste box 306 is fixed in the middle layer of the frame 5.

[0025] The blanking unit 4 comprises a blanking side block 401, an expansion plate 402, a blanking plate 403, a fixed plate protection cover 404, a blanking unit driving motor 405, a second fixed plate 406, an operation platform 407, a mouse 408, a keyboard 409, a cross frame 410, a second pressure roller 411, a rectangular rod 412, a third pressure roller 413, a second synchronous belt 414, a third synchronous roller 415 and a fourth synchronous roller 416. The second fixed plate 406 is connected with the frame 5, and the blanking unit driving motor 405 is fixed thereon. The fixed plate protection cover 404 is arranged outside. The third synchronous roller 415 is fixed with the blanking unit driving motor 405, and is linked with the fourth synchronous roller 416 through the second synchronous belt 414. The cross frame 410 is fixed on the frame 5, and the rectangular rod 412 is fixed thereon. The second pressure roller 411 and the third pressure roller 413 are fixed on the rectangular rod 412. The blanking plate 403 is connected with the tail end of the frame 5, and the left and right blanking side blocks 401 are arranged thereon. The expansion plate 402 is connected with the blanking plate 403, and the blanking side block 401 is fixed thereon. The operation platform 407 is fixed with the frame 5, and is located on the blanking unit 4. The mouse 408 and the keyboard 409 are placed on the operation platform 407.

[0026] In the embodiment, the first pressure roller 208 is arranged on the fixed rod 207, and is located between the paging unit 1 and the detection unit 2, so that the screen printing label can be smoothly transferred from the paging unit 1 to the detection unit 2.

[0027] In the embodiment, the slide rail adjusting knob 218 is arranged on the slide rail adjusting seat 217, and can be used to adjust the position of the locked industrial camera 221 and the light source 222, so as to facilitate the debugging of the detection device.

[0028] In the embodiment, the light source fixing plate 223 is connected and fixed with the light source distance adjusting plate 224, and the waist hole is arranged on the light source fixing plate 223, so as to adjust the horizontal distance position of the light source 222. The light source fixing plate 223 is arranged at a 45-degree bending angle, so as to avoid the reflection of the incident direction of the light source 222 on the screen printing label product, and affect the shooting effect of the industrial camera 221.

[0029] In the embodiment, the detection box baffle 209 is fixed on the four peripheral surfaces and the top position of the detection box frame 210, so as to avoid the interference of the ambient light during the working of the device, and affect the visual shooting effect.

[0030] In the embodiment, the sensor 220 and the industrial camera 221 are fixed on the camera fixing plate 219 in sequence, and when the sensor 220 detects the label product on the lower detection position conveying belt 211, the signal is timely provided to the industrial camera 221, so as to facilitate the timely shooting, transmission, analysis and provision of the detection result.

[0031] In the embodiment, the transition plate 301 is connected with the lifting cylinder 304 through the short rod 302, the action of the lifting cylinder 304 directly acts on the transition plate 301, the transition plate 301 is not lifted when the label is qualified, and the transition plate 301 is lifted when the label is unqualified.

[0032] In the embodiment, the transition plate 301 is designed as an inverted triangular shape, the upper plane provides a smooth transition when the label detection is qualified, and the side slope guides the defective label to enter the waste chute 303 through the bottom waste chute 303 into the waste box 306 when the label detection is defective.

[0033] In the embodiment, the second pressing wheel 411 and the third pressing wheel 413 are fixed on the long rod 412, the second pressing wheel 411 is arranged at the front position of the transition plate 301, which is beneficial to the smooth transition of the silk-screen label to the discharging unit 4 when the transition plate 301 is lowered, and is beneficial to the smooth sliding of the silk-screen label into the waste box 306 after the transition plate 301 is lifted, and the third pressing wheel 413 is arranged at the end position of the discharging unit 4, which is beneficial to the smooth feeding of the silk-screen label to the discharging plate 403.

[0034] In the embodiment, the expansion plate 402 is connected with the discharging plate 403, and the waist holes arranged on both sides of the expansion plate 402 can flexibly adjust the size of the silk-screen label and the storage space of the discharging plate 403.

[0035] In the embodiment, the motor adjusting module 205 and the light source adjusting module 204 are fixed in the control box 203, the control box 203 is arranged at the middle layer position of the frame 5, which is beneficial to the speed adjustment of the conveying belt in the paging unit 1, the detection unit 2 and the discharging unit 4, and the light source adjusting module 204 is beneficial to the brightness adjustment of the light source 222.

[0036] The working process and principle of the device: before the detection device is used, the positions of the light source 222 and the industrial camera 221 are adjusted according to the label to be detected, the paging unit 1, the detection unit driving motor 227 and the discharging unit driving motor 405 are started, and the stacked silk-screen label products are arranged and placed in the paging unit 1, at this time, under the action of the paging unit 1 and the first compression wheel 208, the silk-screen label is output on the detection position conveying belt 211 one by one, when passing through the detection unit 2, the sensor 220 detects the silk-screen label below, and feeds back a signal to the industrial camera 221, the industrial camera 221 receives the signal and triggers a shooting action, the photographed photo is transmitted to the industrial computer 202 for analysis and processing, and the picture and the result are transmitted to the display screen 201 for the operator to view, if the detection result is good, the silk-screen label is conveyed to the discharging unit 4 on the upper surface of the transition plate 301 under the action of the second compression wheel 411, and finally the qualified label product is stacked on the discharging plate 403, if the detection result is unqualified, the transition plate 301 is lifted under the action of the lifting cylinder 304, and the silk-screen label product is directly pushed to the waste inclined plate 303 at the bottom under the action of the second compression wheel 411, at this time, the transition plate 301 falls down, and the silk-screen label finally slides into the waste box 306, so that the automatic detection process of the single silk-screen label is completed.

[0037] The basic principle, main characteristics and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the above-mentioned examples do not limit the protection scope of the utility model in any form, and any technical solution obtained by equivalent replacement or the like falls within the protection scope of the utility model.

[0038] The parts not involved in the utility model are the same as or can be realized by the prior art.

Claims

1. A device for automatic detection of a silk-screen label, characterized in that, The application relates to a label detection and sorting device, which comprises a paging unit, a detection unit, a rejection unit and a discharging unit, the paging unit, the detection unit and the discharging unit all adopt conveying belts to transfer materials, the rejection unit adopts a combination of a cylinder and a transition plate to guide unqualified labels into a waste box, the detection unit is provided with an industrial camera and a light source, can detect labels below a conveying belt in real time and output images and signals, and the discharging unit adopts a discharging plate to collect and store qualified labels; the light source is fixed through a light source fixing plate, the light source fixing plate is provided with a 45-degree bending angle to avoid reflection of the light source on the screen-printed label products; the transition plate is designed in the shape of an inverted triangle, the upper plane provides a smooth transition when the label is detected to be qualified, and the side slope guides the defective label to enter the waste box through the waste slope plate at the bottom when the label is detected to be defective; an expansion plate is connected with the discharging plate, and waist holes arranged on two sides of the expansion plate can flexibly adjust the discharging storage space according to the size of the screen-printed label.

2. The automatic detection device for silk-screen label according to claim 1, characterized in that, The detection unit comprises a display screen, an industrial computer, a control box, a light source adjusting module, a motor adjusting module, a support seat, a fixing rod, a first pressing wheel, a detection box baffle, a detection box frame, a detection position conveying belt, a first synchronous wheel, a first synchronous belt, a first fixing plate, a second synchronous wheel, a linear slide rail, a slide rail adjusting seat, a slide rail adjusting knob, a camera fixing plate, a sensor, an industrial camera, a light source, a light source fixing plate, a light source distance adjusting plate, a display screen support frame, a display screen wall hanging frame and a detection unit driving motor, the first fixing plate is fixed on the frame, the detection unit driving motor is arranged on the first fixing plate, the first synchronous wheel is fixed on the detection unit driving motor and connected with the second synchronous wheel through the first synchronous belt, the support seat is fixed on the frame, and the fixing rod is connected with the support seat, and the first pressing wheel is fixed on the fixing rod.

3. The automatic detection device for screen-printed label according to claim 2, characterized in that, The detection box frame is fixed with the frame and arranged above the detection position conveying belt, detection box baffles are arranged around the detection box frame and on the top area, the linear slide rail is fixed on the inner side of the detection box frame, the slide rail adjusting seat is installed on the linear slide rail and provided with the slide rail adjusting knob on the upper surface, the camera fixing plate is fixed with the slide rail adjusting seat, the sensor and the industrial camera are fixed on the camera fixing plate, the light source distance adjusting plate is fixed on the slide rail adjusting seat on the left and right sides, the light source fixing plate is arranged below the light source distance adjusting plate, and the light source is fixed on the light source fixing plate.

4. The automatic detection device for silk-screen label according to claim 2, characterized in that, The industrial computer and the control box are fixed on the middle layer of the frame, the light source adjusting module and the motor adjusting module are arranged in the control box, the display screen support frame is fixed on the frame, the display screen wall hanging frame is connected with the frame and fixed with the display screen on the other side.

5. The automatic detection device for silk-screen label according to claim 1, characterized in that, The rejection unit comprises a transition plate, a short rod, a waste slope plate, a lifting cylinder, a cylinder fixing plate and a waste box, the cylinder fixing plate is connected with the frame and provided with the lifting cylinder on the upper surface, the lifting cylinder and the transition plate are connected through the short rod, the waste slope plate is connected with the waste box, and the waste box is fixed on the middle layer of the frame.

6. The automatic detection device for silk-screen label according to claim 1, characterized in that, The discharging unit comprises a discharging side baffle, an expansion plate, a discharging plate, a fixed plate protection cover, a discharging unit driving motor, a second fixed plate, an operation platform, a mouse, a keyboard, a horizontal frame, a second pressing wheel, a rectangular rod, a third pressing wheel, a second synchronous belt, a third synchronous wheel and a fourth synchronous wheel.

7. The automatic detection device for screen-printed label according to claim 6, characterized in that, The horizontal frame is fixed on the frame, and the rectangular rod is fixed on the horizontal frame. The second pressing wheel and the third pressing wheel are fixed on the rectangular rod. The discharging plate is connected with the tail end of the frame, and the left and right surface discharging side baffles are arranged on the discharging plate. The expansion plate is connected with the discharging plate, and the discharging side baffle is fixed on the expansion plate. The operation platform is fixed with the frame and is located on the discharging unit. The mouse and the keyboard are placed on the operation platform.