A cover plate ink defect detection and repair device

By using automated detection and ink replenishment devices during the cover plate production process, the problems of low and unstable ink replenishment efficiency in ink area are solved, and higher product quality and production efficiency are achieved.

CN222698144UInactive Publication Date: 2025-04-01TRULY OPTO ELECTRONICS
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Patent Information

Application Number
CN202421422969.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-20
Publication Date
2025-04-01
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

During the production process of cover plates, bad phenomena such as pinholes or tiny ink damage and missing may occur in the ink area, which will affect product quality and production efficiency. Traditional testing and ink replenishment rely on manual labor, low efficiency and difficult to guarantee quality.

Method used

A cover plate ink defect detection and repair device is provided, including a detection module and an ink replenishment module. The detection module obtains defect information in the ink area through the light source unit and the camera module, and the ink replenishing module automatically replenishes the ink based on the defect information using a silk screen plate and a scraper.

Benefits of technology

Through automated detection and ink replenishment, the position deviation and high and low quality problems caused by manual operation are avoided, the detection accuracy and smoothness and uniformity of the ink replenishment surface are improved, thereby improving product quality and production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a cover plate ink defect detection and repair device, comprising: a detection module, a light shielding plate is provided on a light source unit; the light source unit is arranged on a carrier; a dark area is provided in the middle area of ​​the light shielding plate, and a transparent area is provided around the dark area; the dark area of ​​the light shielding plate corresponds to the visible area of ​​the cover plate, and the transparent area corresponds to the ink area of ​​the cover plate; a first camera module is arranged above the light shielding plate; when the light source unit is lit, the first camera module obtains defect information of the cover plate ink area on the light shielding plate; an ink filling module, comprising: a silk screen plate is provided with mesh holes; the ink filling module drives the silk screen plate according to the defect information of the cover plate ink area, and suspends the mesh holes on the silk screen plate above the defect of the cover plate ink area; a scraper is arranged above the silk screen plate, and is used for filling ink to the defect of the cover plate ink area below the mesh holes.
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Description

Technical Field

[0001] The utility model relates to the technical field of cover plate ink defect detection and repair, in particular to a cover plate ink defect detection and repair device. Background Art

[0002] In the production process of cover sheets, the uniformity and integrity of the ink area are crucial to product quality. However, due to process limitations or equipment failures, the ink area of ​​the cover sheet may have defects such as pinholes or tiny ink damage and loss. Traditional inspection is done manually, which is inefficient and the quality of ink filling is difficult to guarantee. Problems such as position offset, unevenness or uneven ink volume often occur, which seriously affects product quality and production efficiency.

[0003] The above-mentioned technical problems have become technical problems that need to be solved urgently in the industry. Summary of the invention

[0004] In order to at least solve the above-mentioned technical problems, the purpose of the utility model is to provide a cover plate ink defect detection and repair device, which avoids position deviation and uneven quality problems caused by manual ink filling through the cooperation of the detection module and the ink filling module.

[0005] In order to achieve the above-mentioned purpose, the cover plate ink defect detection and repair device provided in the present application includes:

[0006] Detection module, ink replenishing module and carrier;

[0007] Detection module, including:

[0008] A light source unit, wherein a light shielding plate is provided on the light source unit;

[0009] The light source unit is arranged on the carrier;

[0010] A dark area is arranged in the middle area of ​​the shading plate, and a transparent area is arranged around the dark area;

[0011] The dark area of ​​the shading plate corresponds to the visible area of ​​the cover plate, and the transparent area corresponds to the ink area of ​​the cover plate;

[0012] A first camera module is disposed above the shading plate;

[0013] The first camera module is used to obtain defect information of the ink area of ​​the cover plate placed on the shading plate when the light source unit is lit;

[0014] Ink filling module, including:

[0015] A silk screen screen plate, wherein the silk screen screen plate is provided with mesh holes;

[0016] The ink filling module drives the screen printing stencil according to the defect information of the ink area of ​​the cover plate, and suspends the mesh on the screen printing stencil above the defect of the ink area of ​​the cover plate;

[0017] The scraper is arranged above the screen printing screen and is used to fill the defects of the ink area of ​​the cover plate below the mesh.

[0018] Furthermore, the detection module further includes:

[0019] A first picking rod, the first picking rod is arranged above the shading plate;

[0020] A suction cup is provided at the end of the first picking rod facing the cover plate, and the first picking rod picks up the cover plate through the suction cup.

[0021] Furthermore, the first picking rod is provided with a telescopic portion, and the telescopic portion is used to adjust the distance between the suction cup and the cover plate.

[0022] Furthermore, the first picking rod picks up the cover plate after being inspected by the inspection module, and transfers the cover plate to below the ink replenishing module.

[0023] Furthermore, it also includes:

[0024] The processing module is used to convert the defect information of the ink area of ​​the cover plate from image information into coordinate information.

[0025] Furthermore, the ink replenishing module suspends the mesh on the screen printing screen above the defect in the ink area of ​​the cover plate according to the coordinate information.

[0026] Furthermore, the scraper includes a telescopic rod, and the distance between the scraper and the screen printing screen is adjusted by adjusting the telescopic rod.

[0027] Furthermore, it also includes:

[0028] a conveyor belt and a second pick-up bar;

[0029] The second picking rod is arranged below the stage;

[0030] The second picking rod is used to transfer the cover plate after the ink replenishment module or the cover plate without defects in the ink area detected by the detection module to the conveyor belt.

[0031] Furthermore, it also includes:

[0032] A second camera module, the second camera module is arranged above the conveyor belt;

[0033] The second camera module is used to detect the cover plate after the ink is replenished by the ink replenishing module.

[0034] Furthermore, the first camera module and the second camera module both include high-definition cameras.

[0035] The cover plate ink defect detection and repair device of the embodiment of the present application comprises: a detection module, an ink filling module and a carrier; the detection module comprises: a light source unit, a shading plate is provided on the light source unit; the light source unit is arranged on the carrier; a dark area is provided in the middle area of ​​the shading plate, and a transparent area is provided around the dark area; the dark area of ​​the shading plate corresponds to the visible area of ​​the cover plate, and the transparent area corresponds to the ink area of ​​the cover plate; a first camera module is arranged above the shading plate; the first camera module is used to obtain defect information of the ink area of ​​the cover plate placed on the shading plate when the light source unit is lit; the ink filling module comprises: a silk screen plate, the silk screen plate is provided with mesh holes; the ink filling module drives the silk screen plate according to the defect information of the ink area of ​​the cover plate, and suspends the mesh holes on the silk screen plate above the defect of the ink area of ​​the cover plate; a scraper is arranged above the silk screen plate, and is used to fill ink to the defect of the ink area of ​​the cover plate below the mesh holes. Through the collaboration of the detection module and the ink filling module, quality problems such as position deviation or unevenness or excessive ink protrusion or insufficient ink missing caused by manual ink filling can be avoided; compared with the existing manual processing method, the detection accuracy and the smoothness and uniformity of the ink filling surface are improved, thereby improving the quality of ink filling; improving production efficiency and reducing production costs; reducing manual operations, reducing operating difficulty and labor intensity; and improving the level of automation, thereby enhancing the market competitiveness of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] The accompanying drawings are used to provide a further understanding of the present application and constitute a part of the specification. Together with the embodiments of the present application, they are used to explain the present application and do not constitute a limitation of the present application. In the accompanying drawings:

[0037] Figure 1 is a schematic structural diagram of a cover plate ink defect detection and repair device according to an embodiment of the present application;

[0038] Figure 2 is a side view of a cover plate ink defect detection and repair device according to an embodiment of the present application;

[0039] Figure 3 It is a schematic diagram of the structure of the ink replenishing module of an embodiment of the present application.

[0040] Description of reference numerals:

[0041] 101-carrier; 102-first picking rod; 103-ink replenishing module; 1031-screen printing screen; 1032-scraper; 1033-telescopic rod; 104-second picking rod; 105-second camera module; 106-light source unit; 107-conveyor belt. DETAILED DESCRIPTION

[0042] The embodiments of the present application will be described in more detail below with reference to the accompanying drawings. Although certain embodiments of the present application are shown in the accompanying drawings, it should be understood that the present application can be implemented in various forms and should not be construed as being limited to the embodiments described herein. Instead, these embodiments are provided to provide a more thorough and complete understanding of the present application. It should be understood that the drawings and embodiments of the present application are only for exemplary purposes and are not intended to limit the scope of protection of the present application.

[0043] It should be understood that the various steps described in the method implementation of the present application can be performed in different orders and / or performed in parallel. In addition, the method implementation may include additional steps and / or omit the steps shown. The scope of the present application is not limited in this respect.

[0044] The term "including" and its variations used herein are open inclusions, i.e., "including but not limited to". The term "based on" means "based at least in part on". The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment"; the term "some embodiments" means "at least some embodiments". The relevant definitions of other terms will be given in the following description.

[0045] It should be noted that the modifications of "one" and "plurality" mentioned in this application are illustrative rather than restrictive, and those skilled in the art should understand that unless otherwise clearly indicated in the context, it should be understood as "one or more". "Plurality" should be understood as two or more.

[0046] The cover plate ink defect detection and repair device of the embodiment of the present application includes:

[0047] Detection module, ink replenishing module and carrier;

[0048] Detection module, including:

[0049] A light source unit, wherein a light shielding plate is provided on the light source unit;

[0050] The light source unit is arranged on the carrier;

[0051] A dark area is arranged in the middle area of ​​the shading plate, and a transparent area is arranged around the dark area;

[0052] The dark area of ​​the shading plate corresponds to the visible area of ​​the cover plate, and the transparent area corresponds to the ink area of ​​the cover plate;

[0053] A first camera module is disposed above the shading plate;

[0054] The first camera module is used to obtain defect information of the ink area of ​​the cover plate placed on the shading plate when the light source unit is lit;

[0055] Ink filling module, including:

[0056] A silk screen screen plate, wherein the silk screen screen plate is provided with mesh holes;

[0057] The ink filling module drives the screen printing stencil according to the defect information of the ink area of ​​the cover plate, and suspends the mesh on the screen printing stencil above the defect of the ink area of ​​the cover plate;

[0058] The scraper is arranged above the screen printing screen and is used to fill the defects of the ink area of ​​the cover plate below the mesh.

[0059] Example 1

[0060] Figure 1 is a schematic diagram of the structure of a cover plate ink defect detection and repair device according to an embodiment of the present application, Figure 2 is a side view of a cover plate ink defect detection and repair device according to an embodiment of the present application, Figure 3 This is a schematic diagram of the ink replenishment module structure of the embodiment of the present application. Figure 1-3 , the cover plate ink defect detection and repair device of the embodiment of the present application is described in detail.

[0061] The cover plate ink defect detection and repair device of the embodiment of the present application can detect defects in the ink area on the cover plate and repair the defects in a timely manner.

[0062] In some exemplary embodiments, the cover plate ink defect detection and repair device of the embodiment of the present application includes: a detection module, an ink replenishing module 103 and a carrier 101.

[0063] In some exemplary embodiments, the detection module includes: a light source unit 106 .

[0064] In some exemplary embodiments, the light source unit 106 is, for example, a light box.

[0065] In some exemplary embodiments, a light shielding plate is disposed on the light source unit 106 . The light shielding plate is, for example, disposed on the upper surface of the light source unit 106 .

[0066] In some exemplary embodiments, the light source unit 106 is disposed on the stage 101 .

[0067] In some exemplary embodiments, a dark area is provided in the middle area of ​​the shading plate, and the dark area is, for example, a black area.

[0068] In some exemplary embodiments, the dark area is surrounded by a transparent area, that is, an annular transparent area is provided around the dark area.

[0069] In some exemplary embodiments, the dark area of ​​the shading plate corresponds to the visible area of ​​the cover plate, and the transparent area corresponds to the ink area of ​​the cover plate; that is, when the cover plate is placed on the shading plate, the visible area of ​​the cover plate overlaps with the dark area of ​​the shading plate, and the ink area of ​​the cover plate overlaps with the transparent area of ​​the shading plate; when the cover plate is placed on the shading plate, by lighting the backlight of the light source unit 106, if there are pinholes or tiny ink damages in the ink area of ​​the cover plate, light leakage will occur, otherwise no light leakage will occur.

[0070] In some exemplary embodiments, the detection module further includes: a first camera module.

[0071] In some exemplary embodiments, the first camera module is disposed above the sunshade.

[0072] In some exemplary embodiments, the first camera module is used to obtain defect information of the ink area of ​​the cover plate placed on the shading plate when the light source unit 106 is turned on, that is, to capture or take a picture of the place where light leakage occurs in the ink layer.

[0073] In some exemplary embodiments, the first camera module includes a high-definition camera.

[0074] In some exemplary embodiments, the detection module further includes: a first picking rod 102 .

[0075] In some exemplary embodiments, the first pick bar 102 is disposed above the light shielding plate.

[0076] In some exemplary embodiments, the first pick-up bar 102 is composed of two parallel pick-up bars, for example, and the first camera module is disposed between the two parallel pick-up bars; the first camera module and the two pick-up bars can be fixed on the same platform as required.

[0077] In some exemplary embodiments, a suction cup is disposed at the end of the first pick-up bar 102 facing the cover plate.

[0078] In some exemplary embodiments, the first pick-up bar 102 picks up the cover plate through a suction cup.

[0079] In some exemplary embodiments, the first pick-up bar 102 is provided with a telescopic portion.

[0080] In some exemplary embodiments, the telescopic portion is used to adjust the distance between the suction cup and the cover plate, that is, the first picking rod 102 adjusts the height of the suction cup and the cover plate through the telescopic portion to better pick up the cover plate. The telescopic portion is also designed to avoid blocking the first camera module from collecting information on the ink area of ​​the cover plate before the cover plate is picked up.

[0081] In some exemplary embodiments, the first picking rod 102 picks up the cover plate after being inspected by the inspection module and transfers the cover plate to the bottom of the ink replenishing module 103; as needed, the cover plate can be transferred from the inspection module to the bottom of the ink replenishing module 103 through a transmission mechanism.

[0082] In some exemplary embodiments, the cover plate ink defect detection and repair device of the embodiment of the present application further includes: a processing module.

[0083] In some exemplary embodiments, the processing module is used to convert the defect information of the ink area of ​​the cover plate from image information into coordinate information.

[0084] In some exemplary embodiments, the ink replenishing module 103 includes: a silk screen screen 1031 .

[0085] In some exemplary embodiments, the screen printing screen 1031 is controlled by a lifting shaft, and the lifting shaft is used to control the distance between the screen printing screen 1031 and the cover plate in the up and down directions.

[0086] In some exemplary embodiments, the screen printing screen 1031 is provided with mesh holes, and the mesh holes are, for example, circular holes with a diameter of 2 mm.

[0087] In some exemplary embodiments, the ink replenishing module 103 drives the screen printing plate 1031 according to the defect information of the ink area of ​​the cover plate, and suspends the mesh on the screen printing plate 1031 above the defect of the ink area of ​​the cover plate.

[0088] In some exemplary embodiments, the ink replenishing module 103 further includes a scraper 1032 .

[0089] In some exemplary embodiments, the scraper 1032 is disposed above the screen printing screen 1031 .

[0090] In some exemplary embodiments, the scraper 1032 is used to fill the defects in the ink area of ​​the cover plate below the mesh, that is, when the mesh on the silk screen 1031 is aligned with the defects in the ink area of ​​the cover plate, the mesh fits the defects or keeps a slight distance from the cover plate, and the scraper 1032 moves to fill the defects in the ink area of ​​the cover plate with ink on the silk screen 1031 through the mesh.

[0091] In some exemplary embodiments, the scraper 1032 includes a telescopic rod 1033 .

[0092] In some exemplary embodiments, the distance between the scraper 1032 and the screen printing plate 1031 is adjusted by adjusting the telescopic rod 1033 .

[0093] In some exemplary embodiments, the cover plate ink defect detection and repairing device of the embodiment of the present application further includes: a conveyor belt 107 and a second picking rod 104 .

[0094] In some exemplary embodiments, the second picking rod 104 is disposed below the carrier 101 , which can be understood as a base being disposed below the carrier 101 and the second picking rod 104 being disposed on the base.

[0095] In some exemplary embodiments, the second picking rod 104 may reciprocate below the stage 101 , that is, the second picking rod 104 may reciprocate on the base.

[0096] In some exemplary embodiments, as required, the conveyor belt 107 may be disposed at the extension from the detection module to the ink replenishing module.

[0097] In some exemplary embodiments, the conveyor belt 107 may also be disposed on a base as required.

[0098] In some exemplary embodiments, the conveyor belt 107 includes a plurality of parallel conveyor belts 107 , and gaps are provided between adjacent conveyor belts 107 .

[0099] In some exemplary embodiments, when the second pick-up rod 104 reciprocates, the second pick-up rod 104 can move into the conveyor belt 107 along the conveying direction of the conveyor belt 107, such as Figure 1 The second pick-up rod 104 is free to enter the gap between the adjacent conveyor belts 107 when it moves.

[0100] In some exemplary embodiments, the second pick-up rod 104 is used to transfer the cover plate that has been refilled with ink by the ink refilling module 103 or the cover plate that has no defects in the ink area detected by the detection module to the conveyor belt 107 .

[0101] In some exemplary embodiments, the second picking rod 104 may also be provided with a telescopic rod 1033 as needed. After the defective area is filled with ink, or after it is determined that the current ink area has no defects, the second picking rod 104 is adjusted upward to lift the cover plate from under the detection module and transfer it to the conveyor belt 107.

[0102] In some exemplary embodiments, there are at least two second picking rods 104 , and a suction cup or a flat end surface is also provided at the end of the second picking rod 104 facing the cover plate as required.

[0103] In some exemplary embodiments, the cover plate ink defect detection and repair device of the embodiment of the present application further includes: a second camera module 105.

[0104] In some exemplary embodiments, the second camera module 105 is disposed above the conveyor belt 107 .

[0105] In some exemplary embodiments, the second camera module 105 is used to detect the cover plate after the ink replenishing module 103 replenishes the ink, that is, to detect whether there is still a problem in the ink area after the ink replenishing.

[0106] In some exemplary embodiments, the second camera module 105 films or takes photos of the cover plates entering the conveyor belt 107 and records the number.

[0107] In some exemplary embodiments, the second camera module 105 includes a high-definition camera.

[0108] In some exemplary embodiments, the cover plate ink defect detection and repair device of the embodiment of the present application further includes: a driving module.

[0109] In some exemplary embodiments, the driving module is used to drive the movement of the second picking rod 104 and the transmission of the conveyor belt 107 .

[0110] In some exemplary embodiments, multiple conveyor belts 107 move synchronously.

[0111] Although the implementation methods disclosed in the utility model are as above, the content is only an implementation method adopted to facilitate the understanding of the utility model, and is not used to limit the utility model. Any technician in the field to which the utility model belongs can make any modifications and changes in the form and details of implementation without departing from the spirit and scope disclosed in the utility model, but the scope of patent protection of the utility model shall still be based on the scope defined in the attached claims.

Claims

1. A cover plate ink defect detection and repair device, characterized in that: include: Detection module, ink replenishing module and carrier; The detection module comprises: A light source unit, wherein a light shielding plate is provided on the light source unit; The light source unit is arranged on the carrier; A dark area is provided in the middle area of ​​the shading plate, and a transparent area is provided around the dark area; The dark area of ​​the shading plate corresponds to the visible area of ​​the cover plate, and the transparent area corresponds to the ink area of ​​the cover plate; A first camera module is disposed above the shading plate; The first camera module is used to obtain defect information of the ink area of ​​the cover plate placed on the shading plate when the light source unit is turned on; The ink replenishing module comprises: A silk screen screen, wherein the silk screen screen is provided with mesh holes; The ink filling module drives the screen printing plate according to the defect information of the ink area of ​​the cover plate, and suspends the mesh on the screen printing plate above the defect of the ink area of ​​the cover plate; The scraper is arranged above the screen printing screen and is used for filling ink on the defective parts of the ink area of ​​the cover plate below the mesh.

2. The cover plate ink defect detection and repair device according to claim 1, characterized in that: The detection module further includes: a first pick-up bar, the first pick-up bar being disposed above the shading plate; A suction cup is provided at the end of the first picking rod facing the cover plate, and the first picking rod picks up the cover plate through the suction cup.

3. The cover plate ink defect detection and repair device according to claim 2, characterized in that: The first picking rod is provided with a telescopic portion, and the telescopic portion is used to adjust the distance between the suction cup and the cover plate.

4. The cover plate ink defect detection and repair device according to claim 3, characterized in that: The first picking rod picks up the cover plate after being inspected by the inspection module, and transfers the cover plate to below the ink replenishing module.

5. The cover plate ink defect detection and repair device according to claim 1, characterized in that: Also included are: A processing module is used to convert the defect information of the ink area of ​​the cover plate from image information into coordinate information.

6. The cover plate ink defect detection and repair device according to claim 5, characterized in that: The ink replenishing module suspends the mesh on the screen printing screen above the defect in the ink area of ​​the cover plate according to the coordinate information.

7. The cover plate ink defect detection and repair device according to claim 1, characterized in that: The scraper comprises a telescopic rod, and the distance between the scraper and the screen printing plate can be adjusted by adjusting the telescopic rod.

8. The cover plate ink defect detection and repair device according to claim 1, characterized in that: Also included are: a conveyor belt and a second pick-up bar; The second picking rod is arranged below the carrier; The second picking rod is used to transfer the cover plate after the ink replenishment module has replenished ink, or the cover plate on which no defects in the ink area are found after detection by the detection module, to the conveyor belt.

9. The cover plate ink defect detection and repair device according to claim 8, characterized in that: Also included are: a second camera module, wherein the second camera module is disposed above the conveyor belt; The second camera module is used to detect the cover plate after the ink is replenished by the ink replenishing module.

10. The cover plate ink defect detection and repair device according to claim 9, characterized in that: The first camera module and the second camera module both include high-definition cameras.