Printing plate punching device and punching method

Abstract

The invention discloses a printing plate punching device which comprises a bottom plate, an object placing plate is placed on the bottom plate, a magnetic printing plate is placed on the object placing plate, a position adjusting assembly is arranged corresponding to the object placing plate, a positioning detection assembly is arranged above the object placing plate and arranged on a first moving seat, the first moving seat is arranged on a first moving frame in a sliding mode, and the first moving frame is arranged on a second moving frame in a sliding mode. The first moving frame is provided with a first moving adjusting assembly connected with the first moving seat, the first moving frame is connected with a second moving adjusting assembly, the positioning detection assembly can conduct positioning detection on the position of a printing plate on the object placing plate and feed back information to the controller, and the position adjusting assembly can adjust the position of the object placing plate. A pressing assembly and a punching assembly are arranged on the side corresponding to the storage plate. The position of the printing plate can be precisely detected and adjusted, then the punching precision is effectively improved, precise matched connection of the magnetic printing plate and the plate roller is ensured, and rapid replacement of the magnetic printing plate is achieved.

Description

Technical Field

[0001] The invention relates to a punching device, in particular to a printing plate punching device. Background Art

[0002] Punching devices are used to perform hole-making processes on materials. Traditional punching devices typically consist of a single cylinder or motor-driven punch head that punches holes in products. The placement of the holes is typically determined visually, resulting in limited accuracy. For products requiring precise punching, such as printing plates, the small diameter of the holes can make it difficult to achieve the required accuracy. This can affect the subsequent alignment of the plate and the plate roller, impacting print quality. Summary of the Invention

[0003] In view of the shortcomings of the background technology, the technical problem to be solved by the present invention is to provide a printing plate punching device for solving the above problems.

[0004] For this purpose, the present invention is achieved by adopting the following scheme: A printing plate punching device, characterized in that: it includes a base plate, a storage plate is placed on the base plate, a magnetic printing plate is placed on the storage plate, the magnetic printing plate is made of a rubber printing plate attached to a magnetic layer, a position adjustment component is provided corresponding to the storage plate, a positioning detection component is provided above the storage plate, the positioning detection component is provided on a first movable seat, the first movable seat is slidably provided on a first movable frame, the first movable frame is provided with a first movable adjustment component connected to the first movable seat, the first movable frame is connected to a second movable adjustment component, the positioning detection component can perform positioning detection on the printing plate position on the storage plate and feedback information to a controller, the position adjustment component can adjust the position of the storage plate, and a pressing component and a punching component are provided on one side corresponding to the storage plate.

[0005] The position adjustment assembly includes a first adjustment screw and a second adjustment screw screwed on the frame, the first adjustment screw is pressed tightly against one side of the corner of the storage board, and the second adjustment screw is pressed tightly against the other side of the corner of the storage board.

[0006] A first pressing block is provided at the end of the first adjusting screw, and a first spring is tightly pressed between the storage plate and the first pressing block. A second pressing block is provided at the end of the second adjusting screw, and a second spring is tightly pressed between the storage plate and the second pressing block.

[0007] The storage plate is arranged in a quadrilateral shape, and the position adjustment components are distributed at the four corners of the storage plate.

[0008] The positioning detection component is a high-definition digital camera.

[0009] The first movable adjustment component includes a third adjusting screw rotatably arranged on the first movable frame, the first movable seat is threadedly connected to the third adjusting screw, and a guide component is provided corresponding to the first movable seat. The second movable adjustment component includes a synchronous belt, the first movable frame is connected to the synchronous belt, the synchronous belt passes around the synchronous wheel, and the synchronous wheel is connected to the adjustment shaft, and a guide component is provided corresponding to the first movable frame.

[0010] The punching assembly includes a punching seat, a first cylinder is provided on the punching seat, and a piston rod of the first cylinder is connected to the punching head.

[0011] The clamping assembly includes a swing arm hinged on the mounting frame, the swing arm is hinged to one end of the transmission arm, the other end of the transmission arm is hinged to the pressure rod, the pressure rod passes through the guide sleeve, and an elastic pressure head is provided at the bottom of the pressure rod.

[0012] A coordinate display device is also provided which is matched with the positioning detection component.

[0013] A method for punching a printing plate using a printing plate punching device, characterized by comprising the following steps: S1. placing the magnetic layer of the magnetic printing plate on a placement plate; S2, controlling the first movable seat and the first movable frame to move, driving the positioning detection component to move to a plurality of different designated positions to detect the positioning mark on the magnetic printing plate and feed back the detection to the controller; S3. If the controller analyzes that the magnetic printing plate has not moved into position based on the information fed back by the positioning detection component, it will feedback information that it has not moved into position. It will then control the position adjustment component to adjust the position of the storage plate, and then control the positioning detection component to move to multiple different designated positions to detect the positioning marks on the magnetic printing plate and feedback to the controller until the controller feedback information that the magnetic printing plate has moved into position. At this time, the controller controls the pressing component to press the magnetic printing plate against the storage plate, and then controls the punching component to punch holes in the magnetic layer of the magnetic printing plate. S4. Control the pressing assembly to release the magnetic printing plate and take away the magnetic printing plate that has completed the punching operation.

[0014] A printing plate punching device of the above technical solution, by setting a placement plate, can place the magnetic printing plate on the placement plate when punching, and detect the positioning mark of the magnetic printing plate and feedback information through the positioning detection component, and then analyze the feedback information through the controller, and use the position adjustment component to adjust the position of the placement plate, thereby ensuring that the magnetic printing plate is accurately adjusted to the required punching position, ensuring the accuracy of punching, and ensuring that the subsequent magnetic printing plate can be accurately positioned and connected with the plate roller through the punching position, ensuring the accuracy of printing, and this method of positioning the printing plate and the plate roller through the hole position can also realize the rapid replacement of the magnetic printing plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present invention has the following accompanying drawings: Figure 1 It is a structural schematic diagram of the present invention; Figure 2 for Figure 1 A partial enlarged view of the area pointed by A in the middle; Figure 3 for Figure 1 The view after removing part of the transmission structure; Figure 4 for Figure 3 A partial enlarged view of the point where B is pointing; Figure 5 is a structural diagram of the compression assembly of the present invention; Figure 6 A view showing a magnetic printing plate after being punched using the present invention and arranged in a printing press; Figure 7 This is a view of a magnetic printing plate rolled into a cylindrical shape after being punched using the present invention; Figure 8 for Figure 6 Structural diagram of the middle plate roller. DETAILED DESCRIPTION

[0016] As shown in the figure, the present invention discloses a plate punching device, which includes a base plate 5, a storage plate 9 placed on the base plate 5, and a magnetic plate placed on the storage plate 9. The magnetic plate is made of a rubber plate 3 attached to a magnetic layer 28, and the magnetic layer is a strong soft magnetic rubber magnetic sheet. The rubber plate 3 is used for printing in conjunction with the printing roller. A position adjustment component is provided corresponding to the storage plate 9, and a positioning detection component is provided above the storage plate 9. The positioning detection component can detect the position of the cross mark of the magnetic plate on the storage plate 9 and feedback information to the controller. The cross mark is provided when the magnetic plate is produced; the position adjustment component can adjust the position of the storage plate 9. Since the magnetic plate is attached to the storage plate 9, adjusting the position of the storage plate 9 is to adjust the position of the magnetic plate; a punching component is provided on one side of the storage plate 9.

[0017] Specifically, the position adjustment assembly includes a first adjustment screw 15 and a second adjustment screw 21, which are threaded onto the frame. The first adjustment screw 15 presses against one corner of the storage plate 9, while the second adjustment screw 21 presses against the other corner of the storage plate 9. Specifically, a first pressure block 16 is provided at the end of the first adjustment screw 15, and a third pressure block 18 is provided on the storage plate 9. A first spring 17 is pressed between the third pressure block 18 and the first pressure block 16. A second pressure block 20 is provided at the end of the second adjustment screw 21, and a second spring 19 is pressed between the third pressure block 18 and the second pressure block 20. With this structure, by controlling the rotation of the first and second adjustment screws, the spring structure can be used to compress the storage plate 9 and adjust its position.

[0018] Furthermore, the storage plate 9 is arranged in a quadrilateral shape, and the position adjustment components are distributed at the four corners of the storage plate 9. Through the cooperation of the position adjustment components at the four corners, the position of the storage plate 9 can be better and more accurately adjusted.

[0019] In this embodiment, the positioning detection component is a high-definition digital camera 10, which can capture the image of the printing plate and feed it back to the controller for analysis of whether the printing plate has been moved into position.

[0020] Furthermore, the positioning detection assembly is arranged on the first movable seat 11, and the first movable seat 11 is slidably arranged on the first movable frame 8. The first movable frame 8 is provided with a first movable adjustment assembly connected to the first movable seat 11, and the first movable frame 8 is connected to the second movable adjustment assembly. The first movable adjustment assembly includes a third adjustment screw 14 rotatably arranged on the first movable frame 8, the first movable seat 11 and the third adjustment screw 14 are screwed together, and a guide assembly is provided corresponding to the first movable seat 11, and the guide assembly is a slide 12 and a slide rail 13 structure. The second movable adjustment assembly includes a synchronous belt 7, the first movable frame 8 is connected to the synchronous belt 7, the synchronous belt 7 passes around the synchronous wheel 6, and the synchronous wheel 6 is connected to the adjustment shaft 4. A guide assembly is provided corresponding to the first movable frame 8, and the guide assembly is a slide rail structure. By adopting the above structure, by controlling the rotation of the third adjusting screw 14, the first movable seat 11 can be driven to move under the guidance of the guide assembly, and the left and right positions of the positioning detection assembly can be adjusted. By controlling the rotation of the adjusting shaft 4 and driving the synchronous belt 7 to move, the first movable frame 8 can be driven to move, and then the front and rear positions of the positioning detection assembly can be adjusted.

[0021] In this embodiment, the high-definition digital camera's crosshair mark is displayed on a display screen mounted on the device. The positioning detection component detects and identifies the crosshair mark on the magnetic plate. The position adjustment component aligns the crosshair mark on the magnetic plate with the crosshair mark on the display screen, indicating that adjustment is complete and the position is accurate. Alternatively, the crosshair mark on the magnetic plate can be directly aligned with the crosshair mark on the high-definition digital camera.

[0022] Specifically, the punching assembly includes a punching seat 2, on which a first cylinder 1 is provided, and the piston rod of the first cylinder 1 is connected to the punching head. A clamping assembly is provided near the punching assembly. The clamping assembly includes a swing arm 23 hinged on the mounting frame 22, the swing arm 23 is hinged to one end of the transmission arm 24, the other end of the transmission arm 24 is hinged to the pressure rod 26, the pressure rod 26 passes through the guide sleeve 25, and an elastic pressure head 27 is provided at the bottom of the pressure rod 26. In this embodiment, the elastic pressure head 27 is made of polyurethane material. By controlling the swing arm 23 to swing, the transmission arm 24 is driven to swing. When the transmission arm 24 and the pressure rod 26 are in a coaxial vertical state, self-locking will occur, and then the elastic pressure head 27 will press the printing plate tightly against the placement plate 9, ensuring that the position of the printing plate will not shift during punching, further ensuring the accuracy of the punching.

[0023] The present invention is further provided with a coordinate display 33 which cooperates with the high-definition digital camera.

[0024] The method for punching a magnetic printing plate using the above structure comprises the following steps: S1, placing the magnetic layer 28 of the magnetic printing plate on the placement plate 9; S2, controlling the first movable seat 11 and the first movable frame 8 to move, driving the positioning detection component to move to a plurality of different designated positions to detect the positioning mark (such as a cross mark) on the magnetic printing plate and feeding back the detection mark to the controller; S3. If the controller analyzes the information fed back by the positioning detection component and finds that the magnetic printing plate has not yet moved into position, it will feedback information that it has not yet moved into position. It will then control the position adjustment component to adjust the position of the storage plate 9, and then control the positioning detection component to move to multiple different designated positions to detect the positioning marks on the magnetic printing plate and feedback to the controller until the controller feedback information that the magnetic printing plate has moved into position. At this time, the controller controls the pressing component to press the magnetic printing plate against the storage plate 9, and then controls the punching component to punch holes in the magnetic layer 28 of the magnetic printing plate. Generally, at least two holes need to be punched. S4. Control the pressing assembly to release the magnetic printing plate and take away the magnetic printing plate that has completed the punching operation.

[0025] In addition, it should be noted that in step S1, when the magnetic printing plate is placed on the storage plate 9, the position to be punched is roughly located at the punching assembly, and part of the printing plate is already located below the clamping assembly. The subsequent movement and adjustment of the storage plate 9 is fine-tuned. After the magnetic layer 28 of the magnetic printing plate is punched, the magnetic layer 28 is attached and magnetically attracted to the plate roller, and the plate roller is also pre-punched with positioning holes. By aligning the first hole position 31 on the magnetic layer 28 with the second hole position 32 on the plate roller 29 and inserting the positioning pin 30, the magnetic printing plate and the plate roller 29 can be accurately positioned and connected to ensure the accuracy of subsequent printing. This positioning method is very simple to operate and can achieve rapid plate changing operations. At the same time, its positioning accuracy is high, which can ensure printing accuracy.

[0026] This structure of the present invention, by providing a placement plate, can place the magnetic printing plate on the placement plate when punching, and the positioning mark of the magnetic printing plate is detected and feedback information is fed back through the positioning detection component. The feedback information is then analyzed by the controller, and the position of the placement plate is adjusted using the position adjustment component, thereby ensuring that the magnetic printing plate is accurately adjusted to the required punching position, ensuring the accuracy of the punching, and ensuring that the subsequent magnetic printing plate can be accurately positioned and connected with the plate roller through the punching position, thereby ensuring the accuracy of printing. In addition, this method of positioning the printing plate and the plate roller through the hole position can also realize the rapid replacement of the magnetic printing plate.

[0027] The magnetic printing plates described above generally have two or more groups of cross marks, with each group of cross marks typically having two cross marks. After each magnetic printing plate is placed on the storage plate, the cross marks of each group are detected by a high-definition digital camera, and the coordinates of the corresponding cross marks are displayed on the coordinate display 33. After the operator locates the coordinates of each group of cross marks on the first magnetic printing plate using the above-mentioned device and method, these coordinates need to be registered once so that when punching holes in subsequent magnetic printing plates, the cross marks on each group of magnetic printing plates can be located at the corresponding coordinate positions of the first time. Therefore, the punching positions of each magnetic printing plate are the same. After each magnetic printing plate is attached to the plate roller, it can achieve fast and accurate color registration while achieving precise punching.

Claims

1. A printing plate punching device, characterized in that: The invention comprises a bottom plate (5), a storage plate (9) is placed on the bottom plate (5), a magnetic printing plate is placed on the storage plate (9), the magnetic printing plate is formed by attaching a rubber printing plate to a magnetic layer, a position adjustment component is provided corresponding to the storage plate (9), a positioning detection component is provided above the storage plate (9), the positioning detection component is provided on a first movable seat (11), the first movable seat (11) is slidably provided on a first movable frame (8), a first movable adjustment component connected to the first movable seat (11) is provided on the first movable frame (8), the first movable frame (8) is connected to a second movable adjustment component, the positioning detection component can detect the position of the printing plate on the storage plate (9) and feedback information to a controller, the position adjustment component can adjust the position of the storage plate (9), and a pressing component and a punching component are provided on one side of the storage plate (9).

2. A printing plate punching device according to claim 1, characterized in that: The position adjustment assembly comprises a first adjustment screw (15) and a second adjustment screw (21) screwed on the frame, wherein the first adjustment screw (15) is pressed tightly against one side of the corner of the storage plate (9), and the second adjustment screw (21) is pressed tightly against the other side of the corner of the storage plate (9).

3. A printing plate punching device according to claim 2, characterized in that: A first pressure block (16) is provided at the end of the first adjusting screw (15), and a first spring (17) is tightly pressed between the storage plate (9) and the first pressure block (16). A second pressure block (20) is provided at the end of the second adjusting screw (21), and a second spring (19) is tightly pressed between the storage plate (9) and the second pressure block (20).

4. A printing plate punching device according to claim 2 or 3, characterized in that: The storage plate (9) is arranged in a quadrilateral, and the position adjustment components are distributed at the four corners of the storage plate (9).

5. The printing plate punching device according to claim 1, characterized in that: The positioning detection component is a high-definition digital camera (10).

6. The printing plate punching device according to claim 1, characterized in that: The first movable adjustment component includes a third adjustment screw (14) rotatably arranged on the first movable frame (8), the first movable seat (11) is screwed to the third adjustment screw (14), and a guide component is provided corresponding to the first movable seat (11). The second movable adjustment component includes a synchronous belt (7), the first movable frame (8) is connected to the synchronous belt (7), the synchronous belt (7) passes around a synchronous wheel (6), the synchronous wheel (6) is connected to the adjustment shaft (4), and a guide component is provided corresponding to the first movable frame (8).

7. The printing plate punching device according to claim 1, characterized in that: The punching assembly comprises a punching seat (2), a first cylinder (1) is provided on the punching seat (2), and a piston rod of the first cylinder (1) is connected to a punching head.

8. The printing plate punching device according to claim 1, characterized in that: The pressing assembly includes a swing arm (23) hinged on the mounting frame (22), the swing arm (23) is hinged to one end of the transmission arm (24), the other end of the transmission arm (24) is hinged to the pressure rod (26), the pressure rod (26) passes through the guide sleeve (25), and an elastic pressure head (27) is provided at the bottom of the pressure rod (26).

9. The printing plate punching device according to claim 1, characterized in that: A coordinate display device (33) matched with the positioning detection component is also provided.

10. A method for punching a printing plate using the printing plate punching device according to claim 1, characterized in that The following steps are involved: S1, placing the magnetic layer (28) of the magnetic printing plate on the storage plate (9); S2, controlling the first movable seat (11) and the first movable frame (8) to move, driving the positioning detection component to move to a plurality of different designated positions to detect the positioning mark on the magnetic printing plate and feed back to the controller; S3. If the controller analyzes that the magnetic printing plate has not moved into position according to the information fed back by the positioning detection component, it will feed back information that it has not moved into position, and then control the position adjustment component to adjust the position of the storage plate (9), and then control the positioning detection component to move to multiple different designated positions to detect the positioning mark on the magnetic printing plate and feed back the information to the controller until the controller feeds back information that the magnetic printing plate has moved into position, then control the pressing component to press the magnetic printing plate tightly against the storage plate (9), and then control the punching component to punch holes in the magnetic layer (28) of the magnetic printing plate; S4. Control the pressing assembly to release the magnetic printing plate and take away the magnetic printing plate that has completed the punching operation.

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