Intaglio printing press two-dimensional code online jet printing defect detection device

Abstract

The utility model discloses an intaglio printing press two-dimensional code online jet printing defect detection device, which relates to the technical field of intaglio printing press jet printing and comprises a box body, one side of the box body is provided with a feeding port, the other side of the box body is provided with a discharging port, feeding rollers are uniformly arranged in the box body, a limiting roller is arranged in the box body and is positioned below the feeding rollers, and the limiting roller is positioned below the feeding rollers. A high-speed camera and an image processor are sequentially arranged at the top of an inner cavity of the box body and are close to the feeding port, a mounting plate is arranged in the box body, image data of the two-dimensional codes are recorded through the high-speed camera and are analyzed and detected through the image processor, and the two-dimensional codes are stored in the box body. And then the electric push rod drives the marking pen to mark the two-dimensional code with the defect, so that the specific position of the two-dimensional code with the defect can be accurately marked, convenience is brought to rapid positioning and distinguishing of subsequent workers, operation of subsequent procedures is not affected, and the two-dimensional code defect detection efficiency can be effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of gravure printing, in particular to a gravure printing machine two-dimensional code online printing defect detection device. Background Art

[0002] With the rapid development of information technology, QR codes, as a medium for information storage and transmission, have been widely used in the fields of commodity identification, logistics management, anti-counterfeiting and traceability. In addition, gravure printers are important equipment for QR code printing, and their printing quality and efficiency directly affect the application effect of QR codes.

[0003] In the process of printing QR codes with existing gravure printers, QR code printing defects often occur due to improper printing parameter settings, aging of the print head, material surface contamination, etc. These defects not only affect the aesthetics of the QR code, but more importantly, may cause the QR code to be unable to be correctly recognized, thereby affecting its information storage and transmission functions. In addition, traditional QR code defect detection methods can usually only record the amount of errors, but cannot accurately mark the specific location of the defective QR code, making it impossible for workers to quickly locate the specific QR code, thereby affecting the operation of subsequent processes, thereby affecting the efficiency of QR code defect detection. Utility Model Content

[0004] In view of this, and in view of the deficiencies in the prior art, the utility model provides a device for detecting defects in online printing of two-dimensional codes of gravure printers, so as to solve the problem that defects are prone to occur in the prior art two-dimensional code printing and the position of the defective two-dimensional code cannot be accurately marked.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a device for detecting defects in online printing of two-dimensional codes of a gravure printing machine, comprising a box body, a feed port is provided on one side of the box body, a discharge port is provided on the other side of the box body, feed rollers are evenly arranged inside the box body, a limiting roller is provided inside the box body, the limiting roller is located below the feed roller, a high-speed camera and an image processor are sequentially arranged on the top of the inner cavity of the box body, the high-speed camera and the image processor are both close to the feed port, a mounting plate is provided inside the box body, electric push rods are evenly arranged on one side of the mounting plate, and a marking pen is provided on the output end of the electric push rod; a cutting assembly is provided inside the box body, which is used for cutting the two-dimensional code after printing.

[0006] Preferably, the high-speed camera and the image processor are connected via a data transmission interface, which is used to ensure that the images recorded by the high-speed camera can be quickly transmitted to the image processor, and the image processor and the electric push rod are electrically connected, which is used to facilitate the image processor to control the extension and retraction of the electric push rod.

[0007] Preferably, the mounting plate is located between the feeding roller and the limiting roller, and is used to facilitate the marking of defective QR codes by a marking pen.

[0008] Preferably, the cutting assembly includes a ball screw and a limit rod, and the ball screw and the limit rod are both arranged inside a box. An upper pressure platform is provided on the outer surface of the ball screw and the limit rod, and a cutting knife is provided at the bottom of the upper pressure platform. A lower pressure platform is provided on the outer surface of the ball screw and the limit rod, and the lower pressure platform and the upper pressure platform are symmetrically distributed with the feed roller as the center.

[0009] Preferably, a storage plate is rotatably provided on the top of the lower pressing platform, a torsion spring 1 is provided between both sides of the storage plate and the lower pressing platform, and a protrusion is provided on the side of the storage plate away from the torsion spring 1.

[0010] Preferably, a support plate is provided at the bottom of the inner cavity of the box body, a baffle is rotatably provided on the top of the support plate, two torsion springs are provided between both sides of the baffle and the top of the support plate, and the baffle is adapted to the protrusion.

[0011] Preferably, a limiting block is provided on one side of the support plate close to the storage plate, and the limiting block is located at the bottom of the baffle.

[0012] Preferably, a storage box is provided at the bottom of the inner cavity of the box body, and the storage box is close to the torsion spring 1, and is used for receiving the cut QR code on the storage plate.

[0013] Compared with the prior art, the utility model provides a gravure printer two-dimensional code online printing defect detection device, which has the following beneficial effects:

[0014] The image data of the QR code is recorded by a high-speed camera, analyzed and detected by an image processor, and then the electric push rod drives the marking pen to mark the defective QR code. The specific location of the defective QR code can be accurately marked to facilitate subsequent workers to quickly locate and distinguish it, thereby not affecting the operation of subsequent processes and effectively improving the efficiency of QR code defect detection.

[0015] The upper and lower pressing tables on the ball screw are driven externally to slide toward each other along the limit rod, and the cutting knife on the upper pressing table is used to cut multiple QR codes. The upper and lower pressing tables are then driven externally to rotate in the opposite direction to slide apart. The baffle plate and the limit block are used to resist the descent of the storage plate, causing it to tilt and slide the cut QR codes into the storage box. This makes it convenient for workers to quickly sort out defective QR codes, and is conducive to the correct identification of subsequent QR codes, thereby ensuring the functions of information storage and transmission, and improving production efficiency and ensuring product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the structure inside the box of the utility model;

[0018] Figure 3 A schematic diagram of the cutaway structure of the box body in the utility model;

[0019] Figure 4 It is an enlarged structural diagram of the cutting component in the utility model;

[0020] Figure 5 For this utility model Figure 4 A magnified view of the structure at center A;

[0021] Figure 6 It is a structural explosion diagram of the cutting component in the utility model.

[0022] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0023] 1. Box body; 2. Feed inlet; 3. Discharge outlet; 4. Feed roller; 5. Limit roller; 6. High-speed camera; 7. Image processor; 8. Mounting plate; 9. Electric push rod; 10. Marking pen; 11. Ball screw; 12. Limit rod; 13. Upper pressure table; 14. Lower pressure table; 15. Cutting knife; 16. Torsion spring 1; 17. Storage plate; 18. Bump; 19. Support plate; 20. Baffle; 21. Torsion spring 2; 22. Limit block; 23. Storage box. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] The utility model is further described in detail below based on the drawings and embodiments.

[0026] Example

[0027] Please refer to Figures 1 to 4As shown, in order to solve the problems mentioned in the technical solution, the embodiment of the present application provides a gravure printing machine two-dimensional code online printing defect detection device, including a box body 1, a feed port 2 is opened on one side of the box body 1, and a discharge port 3 is opened on the other side of the box body 1, and feeding rollers 4 are evenly arranged inside the box body 1, and a limiting roller 5 is arranged inside the box body 1, and the limiting roller 5 is located below the feeding roller 4, wherein the limiting roller 5 is used to facilitate the subsequent marking of the defective two-dimensional code; a high-speed camera 6 and an image processor 7 are successively arranged on the top of the inner cavity of the box body 1, and the high-speed camera 6 and the image processor 7 are both close to the feed port 2, a mounting plate 8 is arranged inside the box body 1, and electric push rods 9 are evenly arranged on one side of the mounting plate 8, and a marking pen 10 is arranged at the output end of the electric push rod 9, which is used to accurately mark the defective two-dimensional code; a cutting component is arranged inside the box body 1, which is used to cut the two-dimensional code after printing.

[0028] It is worth mentioning that the high-speed camera 6 and the image processor 7 are connected through a data transmission interface, which is used to ensure that the image recorded by the high-speed camera 6 can be quickly transmitted to the image processor 7, and the image processor 7 is electrically connected to the electric push rod 9, which is used to facilitate the image processor 7 to control the extension and retraction of the electric push rod 9. The mounting plate 8 is located between the feeding roller 4 and the limiting roller 5, which is used to facilitate the marking pen 10 to mark the defective QR code.

[0029] Further examples:

[0030] Please refer to Figures 2 to 6As shown, the cutting assembly includes a ball screw 11 and a limit rod 12, and the ball screw 11 and the limit rod 12 are both arranged inside the box body 1, and an upper pressing platform 13 is jointly arranged on the outer surfaces of the ball screw 11 and the limit rod 12, and a cutting knife 15 is arranged at the bottom of the upper pressing platform 13, and a lower pressing platform 14 is jointly arranged on the outer surfaces of the ball screw 11 and the limit rod 12, and the lower pressing platform 14 and the upper pressing platform 13 are symmetrically distributed with the feeding roller 4 as the center, wherein the ball screw 11 and the limit rod 12 are both vertically distributed with the feeding roller 4, which is used to ensure that the cutting knife 15 can vertically cut the two-dimensional code, thereby preventing the cutting of an incomplete two-dimensional code; in addition, a storage plate 17 is rotatably arranged on the top of the lower pressing platform 14, and torsion springs 16 are arranged on both sides of the storage plate 17 and between the lower pressing platform 14, and the storage plate 17 is away from the torsion springs 16. A protrusion 18 is provided on one side of 16, a support plate 19 is provided on the bottom of the inner cavity of the box body 1, a baffle 20 is rotatably provided on the top of the support plate 19, and torsion springs 21 are provided between the two sides of the baffle 20 and the top of the support plate 19, the baffle 20 is adapted to the protrusion 18, and a limit block 22 is provided on the side of the support plate 19 close to the storage plate 17, and the limit block 22 is located at the bottom of the baffle 20. During the descending process of the lower pressing platform 14, the mutual cooperation between the protrusion 18 and the baffle 20 is utilized to cause the storage plate 17 to tilt, thereby facilitating the transportation of the cut two-dimensional code thereon, thereby facilitating the subsequent cutting of the two-dimensional code after printing; at the same time, a storage box 23 is provided at the bottom of the inner cavity of the box body 1, and the storage box 23 is close to the torsion spring 16, and is used to receive the cut two-dimensional code on the storage plate 17.

[0031] Everything in the above example works like this:

[0032] When in use, the printed two-dimensional code is first transported from the feed port 2 to the inside of the box body 1, and then continued to be transported to the inside through the feed roller 4, and then the image data of the two-dimensional code is recorded by the high-speed camera 6, and then the data of the high-speed camera 6 is transmitted to the image processor 7, so that it analyzes and detects the image of the two-dimensional code, and then the detection result is converted into an electrical signal and transmitted to the electric push rod 9, which prompts multiple electric push rods 9 to work and push the marking pen 10 at its output end to fit the surface of the defective two-dimensional code, and then the feed roller 4 is used to drive the two-dimensional code to move, so that it can be marked on the defective two-dimensional code, and then the specific position of the defective two-dimensional code can be accurately marked, so that subsequent workers can quickly locate and distinguish, thereby not affecting the operation of subsequent processes, and can effectively improve the efficiency of two-dimensional code defect detection; the marked two-dimensional code is continued to be transported via the feed roller 4, and is driven by an external The ball screw 11 is driven to rotate, and the upper pressing platform 13 and the lower pressing platform 14 are forced to slide toward each other under the action of the limit rod 12, thereby clamping the two-dimensional code, and using the cutting knife 15 on the upper pressing platform 13 to cut multiple two-dimensional codes, and then the external drive is driven to rotate in the opposite direction, so that the upper pressing platform 13 and the lower pressing platform 14 slide away from each other. At this time, during the descending process of the lower pressing platform 14, the protrusion 18 on the storage plate 17 contacts the baffle 20, and under the action of the limit block 22, the storage plate 17 is forced to rotate toward one side of the lower pressing platform 14, and the torsion spring 16 is squeezed to gradually shrink, and then the cut two-dimensional code on the storage plate 17 slides into the storage box 23, so that it is convenient for workers to quickly sort out whether there are defective two-dimensional codes, and it is beneficial for subsequent two-dimensional codes to be correctly identified, thereby ensuring its information storage and transmission functions, and also improving production efficiency and ensuring its product quality.

[0033] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0034] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for detecting defects of two-dimensional code on-line printing of a gravure printer, comprising a box (1), a feeding port (2) being provided on one side of the box (1), a discharging port (3) being provided on the other side of the box (1), feeding rollers (4) being evenly arranged inside the box (1), a limiting roller (5) being arranged inside the box (1), and the limiting roller (5) being located below the feeding roller (4), characterized in that: A high-speed camera (6) and an image processor (7) are sequentially arranged on the top of the inner cavity of the box (1), and the high-speed camera (6) and the image processor (7) are both close to the feed port (2). A mounting plate (8) is arranged inside the box (1), and electric push rods (9) are evenly arranged on one side of the mounting plate (8), and a marking pen (10) is arranged at the output end of each electric push rod (9); A cutting component is arranged inside the box (1) and is used for cutting the printed two-dimensional code.

2. The device for detecting defects of two-dimensional code on-line printing of a gravure printer according to claim 1, characterized in that: The high-speed camera (6) and the image processor (7) are connected via a data transmission interface, which is used to ensure that the image recorded by the high-speed camera (6) can be quickly transmitted to the image processor (7), and the image processor (7) and the electric push rod (9) are electrically connected, which is used to facilitate the image processor (7) to control the extension and retraction of the electric push rod (9).

3. The device for detecting defects of two-dimensional code on-line printing of a gravure printer according to claim 2, characterized in that: The mounting plate (8) is located between the feeding roller (4) and the limiting roller (5), and is used to facilitate the marking of defective QR codes by a marking pen (10).

4. The device for detecting defects of two-dimensional code on-line printing of a gravure printer according to claim 1, characterized in that: The cutting assembly comprises a ball screw (11) and a limiting rod (12), wherein the ball screw (11) and the limiting rod (12) are both arranged inside the box body (1), an upper pressing platform (13) is provided on the outer surfaces of the ball screw (11) and the limiting rod (12), a cutting knife (15) is provided at the bottom of the upper pressing platform (13), and a lower pressing platform (14) is provided on the outer surfaces of the ball screw (11) and the limiting rod (12), wherein the lower pressing platform (14) and the upper pressing platform (13) are symmetrically distributed with the feeding roller (4) as the center.

5. The device for detecting defects of two-dimensional code on-line printing of a gravure printer according to claim 4, characterized in that: A storage plate (17) is rotatably provided on the top of the lower pressing platform (14), torsion springs (16) are provided on both sides of the storage plate (17) and between the lower pressing platform (14), and a protrusion (18) is provided on the side of the storage plate (17) away from the torsion spring (16).

6. The device for detecting defects of two-dimensional code on-line printing of a gravure printer according to claim 5, characterized in that: A support plate (19) is arranged at the bottom of the inner cavity of the box body (1), a baffle (20) is rotatably arranged on the top of the support plate (19), torsion springs (21) are arranged between the two sides of the baffle (20) and the top of the support plate (19), and the baffle (20) is adapted to the protrusion (18).

7. The device for detecting defects of two-dimensional code on-line printing of a gravure printer according to claim 6, characterized in that: A limiting block (22) is provided on one side of the support plate (19) close to the storage plate (17), and the limiting block (22) is located at the bottom of the baffle (20).

8. The device for detecting defects of two-dimensional code on-line printing of a gravure printer according to claim 7, characterized in that: A storage box (23) is provided at the bottom of the inner cavity of the box body (1), and the storage box (23) is close to the torsion spring 1 (16) and is used to receive the cut QR code on the storage plate (17).

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