Paper punching device for printing

Abstract

A paper punching device for printing comprises a punching unit, a rack, a limiting assembly and a conveying assembly. The rack is composed of a first supporting frame and a second supporting frame, the second supporting frame is located above the first supporting frame and used for installing the punching unit, the punching unit comprises a fixing frame, a servo motor, a transmission assembly, a transmission strip and a movable rod, the transmission assembly comprises a transmission rotating shaft, a transmission gear and a rotating disc, and the transmission rotating shaft is connected with the fixing frame; the transmission gear is meshed with an output shaft of the servo motor, the movable rod and the fixing frame form sliding fit, the movable rod reciprocates up and down during punching, paper is punched through a punching head arranged below the movable rod, and a falling opening is formed in the first supporting frame and used for punching and waste paper collecting. A mounting groove is formed above the second supporting frame, the fixing frame can slide left and right in the mounting groove, the limiting assembly ensures that paper is located at the correct position, and the conveying assembly conveys the paper to move on the first supporting frame.

Description

Technical Field

[0001] The utility model relates to a paper punching device, in particular to a paper punching device for printing. Background Art

[0002] With the development of modern printing, packaging and labeling industries, paper processing technology has made significant progress. In these industries, punching technology, as an important part of paper processing, is widely used in the manufacturing process of various products. Punching can not only meet the specific needs of products, such as binding, heat dissipation, etc., but also improve the aesthetics and practicality of products. Traditional paper punching methods mainly rely on manual or simple mechanical tools. Although this method is simple to operate, it has many shortcomings. First, manual punching is inefficient and difficult to meet the needs of large-scale production; second, manual punching accuracy is difficult to guarantee, which is easy to cause hole position deviation, affecting the quality and aesthetics of the product; finally, traditional mechanical punching equipment often has a single function and cannot achieve the adjustment of multiple hole types and hole spacing, which limits its application range.

[0003] The existing patent with publication number CN216372530U provides a paper punching device for printing, including a paper conveying seat and a support plate fixed on one side of the top of the paper conveying seat, a punching device is provided on the support plate, and the paper is conveyed through the paper conveying seat; the punching device includes a driving motor arranged on one side of the top of the support plate and two support blocks fixed on one side of the support plate, a movable rod is slidably connected between the two support blocks, the output end of the driving motor is fixedly connected to a rotating part, the outer surface of the movable rod is fixedly connected to a sliding part, and the bottom of the sliding part is in contact with the top of the rotating part. The utility model can realize automatic punching of the paper conveying process after printing through the cooperation between the driving motor, the rotating part, the sliding part, the movable rod and the spring.

[0004] There are the following problems with the above patent:

[0005] 1. It is difficult to adjust the punch hole position of the paper.

[0006] 2. It mainly utilizes the elastic force of the spring to punch holes. During use, the device is subjected to a large impact, which can easily cause wear and tear.

[0007] 3. As the device is used, the spring also needs to be replaced frequently to ensure normal use. Utility Model Content

[0008] In order to solve the above problems, the utility model provides a device for punching paper for printing: it includes a punching unit, a frame, a limiting assembly and a transmission assembly, the frame includes a first support frame and a second support frame for installing the punching unit, the second support frame is located above the first support frame, the punching unit includes a fixed frame, a servo motor fixed on the fixed frame, a transmission assembly, a transmission bar and a movable rod, the transmission assembly includes a transmission shaft and a transmission gear and a turntable respectively provided on both sides of the transmission shaft, the transmission shaft is rotatably connected to the fixed frame, the transmission gear and the gear provided on the output shaft of the servo motor are meshed with each other, one end of the transmission bar is rotatably connected to the convex rod provided on the turntable, and the other end is rotatably connected to the upper part of the movable rod, the lower end of the movable rod is fixedly connected with a punching head, the fixed frame is provided with a limiting hole corresponding to the movable rod, and the movable The rod and the limiting hole form a sliding fit. When punching, the movable rod reciprocates up and down. A drop opening is provided on the first support frame, and the drop opening is adapted to the movable rod for punching and collecting waste paper. An installation slot is provided above the second support frame, and the fixed frame is adapted to the installation slot to form a sliding fit. The fixed frame can slide left and right in the installation slot. A mounting opening is provided at the bottom of the installation slot, and slideways are provided on the front and rear sides of the bottom of the installation slot along the length direction. The fixed frame is provided with fixing holes corresponding to the two slideways, and there is at least one fixing hole on each side of the fixing frame, and the slideway and the fixing hole are used to install bolts and nuts. The limiting components are provided on the left and right sides of the drop opening to ensure that the paper is in the correct position during the movement, and the conveying component is used to convey the paper so that the paper moves on the upper end surface of the first support frame.

[0009] Preferably, the limiting assembly includes a limiting wheel and a limiting bracket, wherein two limiting brackets are respectively fixedly connected to the left and right sides of the first support frame, and the two limiting brackets are rotatably connected to at least two limiting wheels, and the limiting wheels are used to limit the movement of the paper. The limiting assembly ensures that the paper is in the correct position during the punching and paper conveying process.

[0010] Preferably, the transmission assembly includes a transmission bracket, a transmission motor, a transmission shaft and a transmission roller, wherein the transmission bracket has two transmission brackets respectively fixedly connected to the two sides of the first support bracket, the transmission bracket is located at the rear side of the second support bracket, the transmission motor is fixedly connected to the outer side of one side of the transmission bracket, the two ends of the transmission shaft are respectively rotatably connected to the transmission brackets on both sides, the transmission shaft is fixedly connected to the output shaft of the transmission motor, and a plurality of transmission rollers are fixedly connected to the transmission shaft. The transmission assembly can smoothly transmit the paper to be punched to the punching unit.

[0011] Preferably, a groove is provided at the upper end of the movable rod, through holes are provided on both sides of the groove for installing a limit rod, the limit rod is used to rotatably connect the transmission bar, and one side of the limit rod is fixed by a nut. The limit rod facilitates the installation of the movable rod.

[0012] Preferably, a drop inclined plate is provided below the drop opening, and one side of the drop inclined plate is fixedly connected to the lower end surface of the first support frame. Through the drop inclined plate, waste paper generated by punching will automatically fall, and a collection device can be placed below to collect it for easy cleaning.

[0013] Preferably, a protective cover is fixedly connected to the outer side of the conveying bracket away from the conveying motor, and the protective cover is used to cover the exposed part of the conveying shaft to protect the safety of the operator.

[0014] Beneficial effects: This device can change the position of the movable rod by changing the position of the fixed frame, thereby driving the change of the position of the paper punching, and can achieve different punching effects by changing the type of the punching head. The punching unit mainly uses the transmission assembly and the servo motor to punch the paper, which has good stability and is not easy to wear, reducing maintenance costs, and can change the punching frequency by controlling the speed of the servo motor. The device is provided with a drop port to facilitate the collection of waste paper and easy cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of an embodiment.

[0016] Figure 2 Schematic diagram of the structure of the punching unit.

[0017] Figure 3 It is a right side schematic diagram of the embodiment.

[0018] Figure 4 It is a schematic top view of an embodiment.

[0019] 1. Punching unit; 2. Frame; 3. Limiting assembly; 4. Conveying assembly; 5. First supporting frame; 6. Second supporting frame; 7. Fixed frame; 8. Servo motor; 9. Transmission assembly; 10. Transmission bar; 11. Movable rod; 12. Transmission shaft; 13. Transmission gear; 14. Turntable; 15. Protruding rod; 16. Punching head; 17. Limiting hole; 18. Dropping mouth; 19. Mounting groove; 20. Mounting mouth; 21. Slide; 22. Fixed hole; 23. Limiting wheel; 24. Limiting bracket; 25. Conveying bracket; 26. Conveying motor; 27. Conveying shaft; 28. Conveying roller; 29. ​​Groove; 30. Limiting rod; 31. Dropping inclined plate; 32. Protective cover. DETAILED DESCRIPTION

[0020] The following is combined with Figure 1-4 The utility model is further described with examples.

[0021] In the description of the present invention, it should be noted that the front, rear and other directions or positional relationships involved in the orientation description are described as the side of the frame 1 with the drop opening 18 being forward, and the side of the frame 1 with the conveying component 4 being backward. This is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0022] Embodiment 1: A paper punching device for printing, such as Figure 1-4 As shown, it includes a punching unit 1, a frame 2, a limit assembly 3 and a conveying assembly 4, the frame 2 includes a first support frame 5 and a second support frame 6 for mounting the punching unit 1, the second support frame 6 is located above the first support frame 5, and the second support frame 6 is fixedly connected to the first support frame 5 through four support feet provided below it, as shown in FIG. Figure 2 As shown, the punching unit 1 includes a fixed frame 7, a servo motor 8 fixed on the fixed frame 7, a transmission assembly 9, a transmission bar 10 and a movable rod 11, the transmission assembly 9 includes a transmission shaft 12 and a transmission gear 13 and a turntable 14 respectively provided on both sides of the transmission shaft 12, the transmission shaft 12 is rotatably connected to the fixed frame 7, the transmission gear 13 is meshed with the gear provided on the output shaft of the servo motor 8, one end of the transmission bar 10 is rotatably connected to the convex rod 15 provided on the turntable 14, and the other end is rotatably connected to the upper part of the movable rod 11, the upper end of the movable rod 11 is provided with a groove 29, and through holes are provided on both sides of the groove 29 for installing a limit rod 30, the limit rod 30 is used to rotatably connect the transmission bar 10, and one side of the limit rod 30 is fixed by a nut. The limiting rod 30 facilitates the installation of the movable rod 11. The lower end of the movable rod 11 is fixedly connected to a punching head 16. The fixing frame 7 is provided with a limiting hole 17 corresponding to the movable rod 11. The movable rod 11 and the limiting hole 17 form a sliding fit. When punching, the movable rod 11 reciprocates up and down. Figure 3 As shown, the first support frame 5 is provided with a drop opening 18, and the drop opening 18 is adapted to the movable rod 11 for punching and collecting waste paper, and a drop inclined plate 31 is provided below the drop opening 18, and one side of the drop inclined plate 31 is fixedly connected to the lower end surface of the first support frame 5. Through the drop inclined plate 31, the waste paper generated by punching will automatically fall, and a collection device can be placed below to collect it, which is convenient for cleaning.

[0023] like Figure 1 and Figure 4As shown, a mounting groove 19 is provided above the second support frame 6, and the fixing frame 7 is adapted to the mounting groove 19 to form a sliding fit, and the fixing frame 7 can slide left and right in the mounting groove 19, and a mounting opening 20 is provided at the bottom of the mounting groove 19, and the mounting opening 20 is used to install the fixing frame 7, and the movable rod 11 can be punched through the mounting opening 20, and the size of the mounting opening 20 is adapted to the fixing frame 7, and the inner side surface of the mounting opening 20 and the outer side surface of the fixing frame 7 form a sliding fit, and the frame 2 can move left and right in the mounting opening 20, and slideways 21 are provided on the front and rear sides of the bottom of the mounting groove 19 along the length direction, and fixing holes 22 corresponding to the two slideways 21 are provided on the fixing frame 7, and there is at least one fixing hole 22 on each side of the fixing frame 7, and the slideway 21 and the fixing hole 22 are used to install bolts and nuts, and the fixing frame 7 can be fixedly connected to the second support frame 6 by the bolts and nuts, and the position of the paper punching can be changed by changing the position of the fixing frame 7.

[0024] like Figure 1 As shown, the limit assembly 3 is provided on the left and right sides of the drop opening 18 to ensure that the paper is located at the correct position during the movement. The limit assembly 3 includes a limit wheel 23 and a limit bracket 24. There are two limit brackets 24 respectively fixedly connected to the left and right sides of the first support frame 5. Both limit brackets 24 are rotatably connected to at least two limit wheels 23. The limit wheels 23 are used to limit the movement of the paper. The limit assembly 3 ensures that the paper is located at the correct position during the punching and paper transmission process.

[0025] like Figure 3 and Figure 4 As shown, the conveying assembly 4 is used to convey paper so that the paper moves on the upper end surface of the first support frame 5. The conveying assembly 4 includes a conveying bracket 25, a conveying motor 26, a conveying shaft 27 and a conveying roller 28. The conveying bracket 25 has two conveying brackets 25 respectively fixedly connected to the two sides of the first support frame 5. The conveying bracket 25 is located on the rear side of the second support frame 6. The conveying motor 26 is fixedly connected to the outer side of one side of the conveying bracket 25. The two ends of the conveying shaft 27 are rotatably connected to the conveying brackets 25 on both sides. The conveying shaft 27 is fixedly connected to the output shaft of the conveying motor 26. A plurality of conveying rollers 28 are fixedly connected to the conveying shaft 27. The conveying rollers 28 are evenly distributed on the conveying shaft 27. When the conveying motor 26 rotates, it will drive the conveying shaft 27 to rotate, thereby driving the conveying rollers 28 to rotate, and then the conveying rollers 28 drive the movement of the paper. The conveying assembly 4 can smoothly convey the paper to be punched to the punching unit 1. As shown Figure 1As shown, a protective cover 32 is fixedly connected to the outer side of the conveying bracket 25 away from the conveying motor 26, and the protective cover 32 is used to cover the exposed part of the conveying shaft 27 to protect the safety of the operator.

[0026] This device can change the position of the movable rod 11 by changing the position of the fixed frame 7, thereby driving the change of the position of the paper punching, and can achieve different punching effects by changing the type of the punching head 16. The punching unit 1 mainly uses the transmission component 9 and the servo motor 8 to achieve paper punching. It has good stability and is not easy to wear, which reduces maintenance costs, and can change the punching frequency by controlling the speed of the servo motor 8. The device is provided with a drop port 18 to facilitate the collection of waste paper and facilitate cleaning.

Claims

1. A paper punching device for printing, characterized in that: The invention comprises a punching unit (1), a frame (2), a limit assembly (3) and a transmission assembly (4); the frame (2) comprises a first support frame (5) and a second support frame (6) for mounting the punching unit (1); the second support frame (6) is located above the first support frame (5); the punching unit (1) comprises a fixed frame (7), a servo motor (8) fixed on the fixed frame (7), a transmission assembly (9), a transmission bar (10) and a movable rod (11); the transmission assembly (9) comprises a transmission shaft (12) and two sides of the transmission shaft (12) are divided into The transmission shaft (12) is rotatably connected to the fixed frame (7), the transmission gear (13) and the gear provided on the output shaft of the servo motor (8) are meshed with each other, one end of the transmission bar (10) is rotatably connected to the protruding rod (15) provided on the rotating disk (14), and the other end is rotatably connected to the upper part of the movable rod (11), the lower end of the movable rod (11) is fixedly connected to a punching head (16), a limiting hole (17) corresponding to the movable rod (11) is opened on the fixed frame (7), and the movable rod (11) The movable rod (11) is provided with a sliding fit with the limiting hole (17). When punching holes, the movable rod (11) reciprocates up and down. The first support frame (5) is provided with a drop-out opening (18). The drop-out opening (18) is adapted to the movable rod (11) for punching holes and collecting waste paper. The second support frame (6) is provided with a mounting groove (19). The fixing frame (7) is adapted to the mounting groove (19) to form a sliding fit. The fixing frame (7) can slide left and right in the mounting groove (19). The bottom of the mounting groove (19) is provided with a mounting opening (20). Slideways (21) are provided at the front and rear sides of the bottom of the installation groove (19) along the length direction; the fixing frame (7) is provided with fixing holes (22) corresponding to the two slideways (21); each side of the fixing frame (7) has at least one fixing hole (22); the slideways (21) and the fixing holes (22) are used to install bolts and nuts; the limit assemblies (3) are provided at the left and right sides of the drop opening (18) to ensure that the paper is located at the correct position during the movement; the conveying assembly (4) is used to convey the paper so that the paper moves on the upper end surface of the first support frame (5).

2. A printing paper punching device according to claim 1, characterized in that: The limiting assembly (3) comprises a limiting wheel (23) and a limiting bracket (24); the limiting bracket (24) has two limiting brackets (24) respectively fixedly connected to the left and right sides of the first support frame (5); the two limiting brackets (24) are rotatably connected to at least two limiting wheels (23); the limiting wheels (23) are used to limit the movement of paper.

3. A printing paper punching device according to claim 1, characterized in that: The conveying assembly (4) comprises a conveying bracket (25), a conveying motor (26), a conveying shaft (27) and a conveying roller (28); the conveying bracket (25) has two conveying brackets (25) respectively fixedly connected to the two sides of the first supporting bracket (5); the conveying bracket (25) is located at the rear side of the second supporting bracket (6); the conveying motor (26) is fixedly connected to the outer side of one side of the conveying bracket (25); the two ends of the conveying shaft (27) are respectively rotatably connected to the conveying brackets (25) on both sides; the conveying shaft (27) is fixedly connected to the output shaft of the conveying motor (26); and a plurality of conveying rollers (28) are fixedly connected to the conveying shaft (27).

4. A printing paper punching device according to claim 1, characterized in that: A groove (29) is provided at the upper end of the movable rod (11), through holes are provided on both sides of the groove (29) for installing a limiting rod (30), the limiting rod (30) is used to rotatably connect to the transmission bar (10), and one side of the limiting rod (30) is fixed by a nut.

5. A printing paper punching device according to claim 1, characterized in that: A falling inclined plate (31) is provided below the falling opening (18), and one side of the falling inclined plate (31) is fixedly connected to the lower end surface of the first supporting frame (5).

6. A printing paper punching device according to claim 3, characterized in that: A protective cover (32) is fixedly connected to the outer side of the conveying bracket (25) at a side away from the conveying motor (26).

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