Clamping mechanism for paper cutter

Abstract

The utility model discloses a clamping mechanism for a paper cutter, and relates to the technical field of paper processing. When paper is processed and cut in batches, a paper pile is firstly placed on the bottom plate between the fixed side plate and the movable side plate, and then the driving mechanism drives the movable side plate to move towards one side of the fixed side plate until the movable side plate is matched with the fixed side plate to clamp the paper pile; when the movable side plate moves towards one side of the fixed side plate, due to the fact that the length of the pull rope is fixed, along with movement of the movable side plate, the pressing plate can move downwards to be pressed over a paper pile, and due to the fact that the heights of the paper piles cut every time are basically consistent during batch processing of paper, after the paper piles are clamped by the fixed side plate and the movable side plate, the paper piles can be clamped by the fixed side plate and the movable side plate. The pressing plate can also press the paper downwards, the pressing plate is in linkage with the movable side plate, movement of the pressing plate and the movable side plate can be achieved only through one driving mechanism, and cost is reduced.

Description

Technical Field

[0001] This utility model relates to the field of paper processing technology, specifically a clamping mechanism for a paper cutter. Background Technology

[0002] Paper is a thin sheet made from plant fibers, used for writing, drawing, printing books and newspapers, packaging, and so on. After paper production, it is usually cut into standard sizes according to specific needs, thus requiring a paper cutter.

[0003] During the batch paper cutting process, the paper stack needs to be fixed by the limiting mechanism of the paper cutter before the paper is cut. The limiting mechanism is generally composed of a clamping mechanism that clamps the paper stack from both sides and a pressing mechanism that presses the paper stack from directly above. In the existing technology, the clamping mechanism and the pressing mechanism are driven by two different drive mechanisms, which is costly.

[0004] In view of this, there is an urgent need for a clamping mechanism for paper cutters. Utility Model Content

[0005] To address the problems existing in the prior art, this utility model solves the problem using the following technical structure.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A clamping mechanism for a paper cutter includes: a base plate, a fixed side plate, a movable side plate, a drive mechanism, and a pressure plate mechanism;

[0008] Both the fixed side plate and the movable side plate are vertically mounted on the base plate, and the space between the fixed side plate and the movable side plate is a paper stacking space;

[0009] The drive mechanism is used to drive the movable side plate closer to or away from the fixed side plate;

[0010] The pressure plate mechanism includes a pressure plate, a pull rope, a guide wheel, a first fixed seat, and a reset assembly. The movable side plate has a movable hole extending vertically. The pressure plate is parallel to the base plate. One end of the pressure plate is a mounting end, which passes through the movable hole from the side of the movable side plate closest to the fixed side plate and extends to the other side of the movable side plate. The first fixed seat is located on the base plate, on the side of the movable side plate away from the fixed side plate. The guide wheel is located on the side of the movable side plate away from the fixed side plate, below the movable hole. One end of the pull rope is connected to the mounting end, and the other end passes through the guide wheel and is connected to the first fixed seat.

[0011] When the movable side plate moves away from the fixed side plate, the reset assembly is used to move the pressure plate upward.

[0012] The bottom of the base plate is provided with two first guide rods, and the axial direction of the two first guide rods is consistent with the movement direction of the movable side plate;

[0013] The bottom of the movable side plate is provided with two connecting plates, and the bottom plate is provided with two sliding holes. The two connecting plates pass through the two sliding holes respectively and are respectively fitted onto the two first guide rods.

[0014] The driving mechanism includes a first screw, and a second fixed seat is provided on the base plate. The second fixed seat is located on the side of the movable side plate away from the fixed side plate. The first screw passes through the second fixed seat and is threadedly connected to the second fixed seat. One end of the first screw is rotatably connected to the movable side plate. The axial direction of the first screw is consistent with the axial direction of the first guide rod.

[0015] A motor is mounted on the base plate, and the output end of the motor is coaxially connected to the output end of the first screw.

[0016] A second screw is threaded onto the first fixed base. The axial direction of the second screw is consistent with the direction of movement of the movable side plate. One end of the pull rope is connected to the second screw.

[0017] The top surface of the mounting end is provided with a second guide rod, the axis of the second guide rod is oriented vertically, the top of the movable side plate is provided with a mounting plate, and the second guide rod passes through the mounting plate.

[0018] The reset assembly includes a first spring, which is sleeved on a second guide rod. One end of the first spring is connected to a mounting plate, and the other end is connected to a mounting end.

[0019] A buffer plate is provided directly below the pressure plate, and the buffer plate is connected to the pressure plate by an elastic element.

[0020] The elastic element consists of multiple second springs.

[0021] There are two pressure plate mechanisms.

[0022] The above-described structure of this utility model can achieve the following beneficial effects:

[0023] When processing paper in batches and cutting, the paper stack is first placed on the base plate between the fixed side plate and the movable side plate. Then, the drive mechanism drives the movable side plate to move towards the side of the fixed side plate until it engages with the fixed side plate to clamp the paper stack. As the movable side plate moves towards the side of the fixed side plate, the pressure plate moves downwards and presses down on the paper stack because the length of the pull rope is fixed. Since the height of the paper stack is basically the same each time it is cut in batches, the pressure plate can also press down on the paper after the fixed side plate and the movable side plate clamp the paper stack. The pressure plate and the movable side plate are linked, and only one drive mechanism is needed to realize the movement of the two, which reduces costs. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the structure of this embodiment;

[0025] Figure 2 This is a structural schematic diagram from another perspective of this embodiment;

[0026] Figure 3 This is a schematic diagram of the structure of the pressure plate in this embodiment.

[0027] In the diagram: 1. Base plate; 11. First guide rod; 12. Sliding hole; 13. Second fixed seat; 2. Fixed side plate; 3. Movable side plate; 31. Movable hole; 32. Connecting plate; 33. Mounting plate; 4. Pressure plate; 41. Second guide rod; 42. Buffer plate; 43. Second spring; 5. Pull rope; 6. Guide wheel; 7. First fixed seat; 71. Second screw; 8. First screw; 9. First spring. Detailed Implementation

[0028] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of the present invention.

[0029] It should be noted that the terms "comprising" and "having" and any variations thereof in the specification, claims and accompanying drawings of this utility model are intended to cover non-exclusive inclusion. For example, a process, method, apparatus, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are explicitly listed, but may include other steps or units that are not explicitly listed or that are inherent to such processes, methods, products or devices.

[0030] The following is in conjunction with the appendix Figure 1-3This application will be described in further detail.

[0031] refer to Figure 1 and Figure 2 The clamping mechanism shown is for a paper cutter and includes: a base plate 1, a fixed side plate 2, a movable side plate 3, a drive mechanism, and a pressure plate mechanism;

[0032] Both the fixed side plate 2 and the movable side plate 3 are vertically mounted on the base plate 1, and the space between the fixed side plate 2 and the movable side plate 3 is for stacking paper.

[0033] The drive mechanism is used to drive the movable side plate 3 closer to or further away from the fixed side plate 2;

[0034] The pressure plate mechanism includes a pressure plate 4, a pull rope 5, a guide wheel 6, a first fixed seat 7, and a reset assembly. The movable side plate 3 has a movable hole 31 extending vertically. The pressure plate 4 is set parallel to the base plate 1. One end of the pressure plate 4 is the mounting end. The mounting end passes through the movable hole 31 from the side of the movable side plate 3 near the fixed side plate 2 and extends to the other side of the movable side plate 3. The first fixed seat 7 is set on the base plate 1. The first fixed seat 7 is set on the side of the movable side plate 3 away from the fixed side plate 2. The guide wheel 6 is set on the side of the movable side plate 3 away from the fixed side plate 2. The guide wheel 6 is set below the movable hole 31. One end of the pull rope 5 is connected to the mounting end, and the other end passes through the guide wheel 6 and is connected to the first fixed seat 7. The path of the pull rope 5 is at a right angle.

[0035] When the movable side plate 3 moves away from the fixed side plate 2, the reset assembly is used to move the pressure plate 4 upward.

[0036] Based on the above structure, when processing paper in batches (with minimal difference in paper stack thickness for each cut), the paper stack is first placed on the base plate 1 between the fixed side plate 2 and the movable side plate 3. Then, the drive mechanism drives the movable side plate 3 to move towards one side of the fixed side plate 2 until it engages with the fixed side plate 2 to clamp the paper stack. As the movable side plate 3 moves towards the fixed side plate 2, the pressure plate 4 moves downwards and presses down on the paper stack because the length of the pull rope 5 is fixed. Since the height of the paper stack is basically the same for each cut during batch processing, the pressure plate 4 can also press down on the paper after the fixed side plate 2 and the movable side plate 3 clamp the paper stack. The pressure plate 4 and the movable side plate 3 are linked, and only one drive mechanism is needed to realize their movement, reducing costs.

[0037] like Figure 2As shown, the bottom of the base plate 1 is provided with two first guide rods 11, and the axial direction of the two first guide rods 11 is consistent with the movement direction of the movable side plate 3; the bottom of the movable side plate 3 is provided with two connecting plates 32, and the base plate 1 is provided with two sliding holes 12. The two connecting plates 32 pass through the two sliding holes 12 respectively and are respectively sleeved on the two first guide rods 11. In this way, the movement of the movable side plate 3 is guided by the two first guide rods 11, so that the movable side plate 3 moves closer to or away from the fixed side plate 2.

[0038] like Figure 1 As shown, the driving mechanism includes a first screw 8 and a second fixed seat 13 on the base plate 1. The second fixed seat 13 is located on the side of the movable side plate 3 away from the fixed side plate 2. The first screw 8 passes through the second fixed seat 13 and is threadedly connected to the second fixed seat 13. One end of the first screw 8 is rotatably connected to the movable side plate 3. The axial direction of the first screw 8 is consistent with the axial direction of the first guide rod 11. Thus, by rotating the first screw 8, the movable side plate 3 can be moved. It can be rotated manually or by installing a motor (not shown in the figure) on the base plate 1. The output end of the motor is coaxially connected to the output end of the first screw 8, and the first screw 8 is driven to rotate by the motor.

[0039] like Figure 1 As shown, in order to accommodate paper stacks of different heights for pressing, a second screw 71 is threadedly connected to the first fixed base 7. The axial direction of the second screw 71 is consistent with the direction of movement of the movable side plate 3. One end of the pull rope 5 is connected to the second screw 71. Thus, by turning the second screw 71, the position of the second screw 71 is adjusted (closer to or farther from the guide wheel 6), so that when the position of the movable side plate 3 is adjusted to the same position, the height of the pressure plate 4 can be adapted to the pressing of paper stacks of different heights or widths.

[0040] like Figure 1 As shown, a second guide rod 41 is provided on the top surface of the mounting end. The axis of the second guide rod 41 is oriented vertically. A mounting plate 33 is provided on the top of the movable side plate 3. The second guide rod 41 passes through the mounting plate 33. In this way, the movement of the pressure plate 4 is guided by the second guide rod 41, so that the pressure plate 4 moves in the vertical direction. At the same time, the shape of the mounting end is adapted to the shape of the movable hole 31 to limit the movement of the pressure plate 4.

[0041] like Figure 1 As shown, in order to make the pressure plate 4 move upward when the movable side plate 3 moves away from the fixed side plate 2, the reset assembly includes a first spring 9, which is sleeved on the second guide rod 41. One end of the first spring 9 is connected to the mounting plate 33, and the other end is connected to the mounting end. When the movable side plate 3 moves closer to the fixed side plate 2, the first spring 9 is stretched. When the movable side plate 3 moves away from the fixed side plate 2, the tension of the first spring 9 causes the pressure plate 4 to move upward.

[0042] like Figure 3 As shown, in order to improve the self-adaptability of this application, a buffer plate 42 is provided directly below the pressure plate 4. The buffer plate 42 and the pressure plate 4 are connected by an elastic element. In this way, during batch operation, if there is a slight difference in the height of the paper stack, the self-adaptability of the elastic element can make the distance between the pressure plate 4 and the buffer plate 42 different to adapt to paper stacks of different heights. Moreover, the elastic element can be composed of multiple second springs 43.

[0043] To further improve the paper pressing effect, the pressing mechanism is configured with two plates.

[0044] In summary, during the batch processing and cutting of paper, the paper stack is first placed on the base plate 1 between the fixed side plate 2 and the movable side plate 3. Then, the drive mechanism drives the movable side plate 3 to move towards one side of the fixed side plate 2 until it engages with the fixed side plate 2 to clamp the paper stack. As the movable side plate 3 moves towards the fixed side plate 2, the pressure plate 4 moves downward and presses down on the paper stack because the length of the pull rope 5 is fixed. Since the height of the paper stack is basically the same each time it is cut during batch processing, the pressure plate 4 can also press down on the paper after the fixed side plate 2 and the movable side plate 3 clamp the paper stack. The pressure plate 4 and the movable side plate 3 are linked, and only one drive mechanism is needed to realize their movement, which reduces costs.

[0045] The above are merely preferred embodiments of this application, and the present invention is not limited to the above embodiments. It is understood that other improvements and variations that can be directly derived or conceived by those skilled in the art without departing from the spirit and concept of the present invention should be considered to be included within the protection scope of the present invention.

Claims

1. A clamping mechanism for a paper cutter, characterized in that, The utility model relates to a paper stacking device, including: Bottom plate (1), fixed side plate (2), movable side plate (3), drive mechanism and presser plate mechanism; The fixed side plate (2) and movable side plate (3) are vertically arranged on the bottom plate (1), and the space between the fixed side plate (2) and movable side plate (3) is used for stacking paper; The drive mechanism is used for driving the movable side plate (3) to move close to or away from the fixed side plate (2); The presser plate mechanism includes a presser plate (4), a pull rope (5), a guide wheel (6), a first fixed seat (7) and a reset assembly, the movable side plate (3) is provided with a movable hole (31) extending along the vertical direction, the presser plate (4) is arranged in parallel with the bottom plate (1), one end of the presser plate (4) is an installation end, the installation end passes through the movable hole (31) from the side of the movable side plate (3) close to the fixed side plate (2) and extends to the other side of the movable side plate (3), the first fixed seat (7) is arranged on the bottom plate (1), the first fixed seat (7) is arranged on the side of the movable side plate (3) away from the fixed side plate (2), the guide wheel (6) is arranged on the side of the movable side plate (3) away from the fixed side plate (2), the guide wheel (6) is arranged below the movable hole (31), one end of the pull rope (5) is connected with the installation end, the other end passes through the guide wheel (6) and is connected with the first fixed seat (7); When the movable side plate (3) moves to the side away from the fixed side plate (2), the reset assembly is used for moving the presser plate (4) upward.

2. A clamping mechanism for a paper cutter as defined in claim 1, wherein: The bottom of the bottom plate (1) is provided with two first guide rods (11), and the axial directions of the two first guide rods (11) are consistent with the moving direction of the movable side plate (3); The bottom of the movable side plate (3) is provided with two connecting plates (32), the bottom plate (1) is provided with two sliding holes (12), the two connecting plates (32) pass through the two sliding holes (12) respectively and are sleeved on the two first guide rods (11) respectively.

3. A clamping mechanism for a paper cutter as defined in claim 2 wherein: The drive mechanism includes a first screw rod (8), the bottom plate (1) is provided with a second fixed seat (13), the second fixed seat (13) is arranged on the side of the movable side plate (3) away from the fixed side plate (2), the first screw rod (8) passes through the second fixed seat (13) and is threadedly connected with the second fixed seat (13), one end of the first screw rod (8) is rotationally connected with the movable side plate (3), and the axial direction of the first screw rod (8) is consistent with the axial direction of the first guide rod (11).

4. A clamping mechanism for a paper cutter as defined in claim 3 wherein: The bottom plate (1) is provided with a motor, and the output end of the motor is coaxially connected with the output end of the first screw rod (8).

5. A clamping mechanism for a paper cutter as defined in claim 1, wherein: The first fixed seat (7) is threadedly connected with a second screw rod (71), the axial direction of the second screw rod (71) is consistent with the moving direction of the movable side plate (3), and one end of the pull rope (5) is connected with the second screw rod (71).

6. A clamping mechanism for a paper cutter as defined in claim 1, wherein: The top surface of the installation end is provided with a second guide rod (41), the axial direction of the second guide rod (41) is toward the vertical direction, the top end of the movable side plate (3) is provided with a mounting plate (33), and the second guide rod (41) is arranged on the mounting plate (33).

7. A clamping mechanism for a paper cutter as defined in claim 6 wherein: The reset assembly comprises a first spring (9), the first spring (9) is sleeved on a second guide rod (41), one end of the first spring (9) is connected with a mounting plate (33), and the other end is connected with a mounting end.

8. A clamping mechanism for a paper cutter as defined in claim 1, wherein: A buffer plate (42) is arranged directly below the pressing plate (4), and the buffer plate (42) and the pressing plate (4) are connected through elastic members.

9. A clamping mechanism for a paper cutter as defined in claim 8, wherein: The elastic members are composed of a plurality of second springs (43).

10. A clamping mechanism for a paper cutter as defined in claim 1, wherein: The pressing plate mechanism is provided with two.

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