Anti-curling paper cutting device

By designing an anti-curling paper cutting device, which combines a gantry frame, electric push rod, hydraulic cylinder, cutter, and anti-curling mechanism, the problem of curling edges during paper cutting is solved, achieving efficient cutting and reducing subsequent processing, thus improving cutting efficiency and practicality.

CN223749712UActive Publication Date: 2026-01-02WENZHOU YUNFANG PAPER CO LTD
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Patent Information

Application Number
CN202520334333.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-28
Publication Date
2026-01-02
Estimated Expiration
2035-02-28

AI Technical Summary

Technical Problem

In the prior art, when cutting paper, the paper cutting device has difficulty in effectively preventing edge curling. The prior art has difficulty in effectively preventing edge curling of paper at the cutting edge.

Method used

Design a paper cutting device to prevent edge curling. It adopts a combination of gantry frame, electric push rod, hydraulic cylinder, cutter, anti-curling mechanism and control components. The pressure plate presses the cut edge flat during the cutting process to prevent the paper from curling.

Benefits of technology

It effectively prevents the edges of the paper from curling up during the cutting process, improves cutting efficiency, reduces subsequent processing steps, and enhances processing efficiency and practicality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an anti-curling paper cutting device which comprises a bottom plate, a portal frame is arranged on the top of the bottom plate, a base plate is arranged on the rear side of the top of the bottom plate, two electric push rods are arranged on the top of the base plate, the extension ends of the two electric push rods are jointly connected with a push plate, and the push plate is arranged on the top of the bottom plate in a sliding mode. A rectangular through opening is formed in the front side of the top of the portal frame in a penetrating mode, two parallel guide rods are fixedly arranged between the inner walls of the front side and the rear side of the rectangular through opening, the two guide rods are slidably sleeved with the same moving plate, and a control assembly used for controlling the moving plate to move is arranged on the portal frame. The bottom of the moving plate is connected with a connecting plate through two hydraulic cylinders, a cutter is arranged at the bottom of the connecting plate, and an anti-curling mechanism is arranged on the rear side of the cutter. Through the arrangement of the anti-curling mechanism, the anti-curling effect can be guaranteed in the cutting process, the anti-curling effect is good, the paper processing procedure does not need to be added, the processing efficiency is high, and the practicability is high.
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Description

TECHNICAL FIELD

[0001] The utility model relates to paper cutting technical field especially relates to a kind of paper cutting device of anti-curling. BACKGROUND

[0002] Paper, made of plant fiber, sheet-shaped object that can be folded arbitrarily for writing, paper curling refers to the edge part of the paper around curling or lifting up.This phenomenon usually occurs in thinner paper or specially processed paper, such as paper coated with special materials (such as high light) or double-coated paper, etc.

[0003] The existing paper cutting device usually adopts a one-cut mode when cutting the edge of the paper, which is easy to cause the paper to curl, and subsequent processing is required, increasing the paper processing process;Therefore, we design a kind of paper cutting device of anti-curling. SUMMARY

[0004] The utility model discloses a kind of paper cutting device of anti-curling, to solve the problem raised in above background.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of paper cutting device of anti-curling, including bottom plate, the top of bottom plate is equipped with portal frame, the top rear side of bottom plate is equipped with backing plate, the top of backing plate is equipped with two electric push rods, the elongation end of two electric push rods is commonly connected with push plate, push plate is slidably arranged on the top of bottom plate, the top front side of portal frame is equipped with the rectangular through opening of being penetrated, two mutually parallel guide rods are fixed between the front and back two sides inner walls of rectangular through opening, the same moving plate is slidably covered to the outside of two guide rods, and the control assembly for controlling the movement of moving plate is equipped on portal frame, the bottom of moving plate is connected with connecting plate by two hydraulic cylinders, the bottom of connecting plate is equipped with cutter, the rear side of cutter is equipped with curling-preventing mechanism.

[0007] As a preferred scheme of the utility model: the curling-preventing mechanism includes the pressing plate slidably arranged on the rear side surface of cutter, the top of pressing plate is fixedly equipped with a plurality of slide rods, a plurality of slide rods are equidistantly distributed along the length direction of pressing plate, the top end of slide rod is penetrated connecting plate and is connected with limit round plate, slide rod is slidably connected with connecting plate, first spring is covered to the outside of slide rod.

[0008] As a further preferred scheme of the utility model: the control assembly includes motor mounting plate fixedly arranged on the top of portal frame, the top of motor mounting plate is equipped with drive motor, the output shaft of drive motor is penetrated motor mounting plate and is connected with cam, cam is in abutment with the middle part of the rear side surface of moving plate, second spring is covered to the outside of guide rod.

[0009] As a further preferred scheme of the utility model: the upper end of the first spring is connected with the bottom of the connecting plate, and the lower end is connected with the top of the pressing plate.

[0010] As a further preferred scheme of the utility model: one end of the second spring is connected with the rear surface of the moving plate, and the other end is connected with the rear inner wall of the rectangular through port.

[0011] As a further preferred scheme of the utility model: the cam is located inside the rectangular through port.

[0012] As a further preferred scheme of the utility model: the top of the bottom plate is provided with a V-shaped groove matched with the cutter.

[0013] The beneficial effect of the utility model is: when the device is used, a pile of paper to be cut is placed on the top of the bottom plate and is attached to the surface of the push plate, then the electric push rod is started to drive the push plate to move forward, thereby pushing the paper to be cut to move forward to a suitable cutting position, then the hydraulic cylinder is started to make the cutter move downward and cut the paper edge at a suitable position, in the cutting process, through the setting of the anti-curling mechanism, the pressing plate will always be pressed on the edge of the cut, and the pressure will become greater and greater with the cutting, playing a pressing and flattening role on the cutting part, and when the cutting is completed, the cutter is separated from the V-shaped groove, through the setting of the control assembly, the cutter can be driven to move forward, thereby driving the pressing plate to move forward, that is, the pressing plate pressed on the edge of the cut moves away from the paper, the cutter and the pressing plate are separated from the paper at the same time, the pressing plate plays a pressing and flattening role on the edge of the cut, and the cutter is separated from the paper, avoiding the paper on the edge of the cut from being rolled up upward in the upward movement of the cutter, greatly improving the anti-curling effect of the device, without increasing the paper processing procedure, the processing efficiency is high, and the practicality is high. BRIEF DESCRIPTION OF DRAWINGS

[0014] The drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, are used together with the embodiments of the utility model to explain the utility model, and do not constitute the limitation on the utility model.

[0015] Figure 1 It is the perspective view of the overall structure of the utility model;

[0016] Figure 2 It is the structural schematic diagram of the overall structure under another viewing angle of the utility model;

[0017] Figure 3 It is the structural schematic diagram of the overall structure under still another viewing angle of the utility model;

[0018] Figure 4 It is Figure 2 The enlarged view of A in the middle;

[0019] Figure 5 For Figure 3 Enlarged view at B.

[0020] Wherein: 1, the bottom plate; 2, the portal frame; 3, the connecting plate; 4, the V-shaped groove; 5, the hydraulic cylinder; 6, the moving plate; 7, the drive motor; 8, the motor mounting plate; 9, the rectangular opening; 10, the limit round plate; 11, the cutter; 12, the push plate; 13, the pad plate; 14, the electric push rod; 15, the slide rod; 16, the first spring; 17, the pressing plate; 18, the guide rod; 19, the second spring; 20, the cam. DETAILED DESCRIPTION

[0021] The utility model will be explained further in detail now in combination with the drawings. These drawings are all simplified schematic diagrams, and only illustrate the basic structure of the utility model in a schematic way, so it only shows the relevant components of the utility model.

[0022] Please refer to Figures 1-5 In the embodiment of the utility model, a paper edge curling prevention cutting device, including the bottom plate 1, the top of bottom plate 1 is equipped with portal frame 2, the top rear side of bottom plate 1 is equipped with pad plate 13, the top of pad plate 13 is equipped with two electric push rods 14, the elongation end of two electric push rods 14 is connected with push plate 12 in common, push plate 12 is slidably arranged on the top of bottom plate 1, the top front side of portal frame 2 is equipped with rectangular opening 9, two mutually parallel guide rods 18 are fixed between the front and rear inner walls of rectangular opening 9, the same moving plate 6 is slidably arranged on the outside of two guide rods 18, the control assembly for controlling the movement of moving plate 6 is arranged on portal frame 2, the bottom of moving plate 6 is connected with connecting plate 3 through two hydraulic cylinders 5, the bottom of connecting plate 3 is equipped with cutter 11, the rear side of cutter 11 is equipped with edge curling prevention mechanism, the top of bottom plate 1 is equipped with V-shaped groove 4 matched with cutter 11.

[0023] The edge curling prevention mechanism includes the pressing plate 17 slidably arranged on the rear side surface of cutter 11, a plurality of slide rods 15 are fixed on the top of pressing plate 17, the plurality of slide rods 15 are distributed at equal intervals along the length direction of pressing plate 17, the top end of slide rod 15 penetrates connecting plate 3 and is connected with limit round plate 10, slide rod 15 is slidably connected with connecting plate 3, the outside of slide rod 15 is sleeved with first spring 16, the upper end of first spring 16 is connected with the bottom of connecting plate 3, and the lower end of first spring 16 is connected with the top of pressing plate 17; the initial state of pressing plate 17 is above the cutting edge of cutter 11, pressing plate 17 descends along with the descent of cutter 11, and when cutting starts, pressing plate 17 abuts against the uppermost surface edge of the cut paper, and plays a pressing role, and along with the continuous cutting, slide rod 15 moves relative to connecting plate 3, first spring 16 is compressed, and the pressure of pressing plate 17 on the uppermost surface edge of the cut paper is more and more large, and plays a flattening role.

[0024] The control assembly comprises a motor mounting plate 8 fixedly arranged on the top of the portal frame 2, the top of the motor mounting plate 8 is provided with a driving motor 7, the output shaft of the driving motor 7 penetrates through the motor mounting plate 8 and is connected with a cam 20, the cam 20 is located inside a rectangular through opening 9, the cam 20 abuts against the middle of the rear surface of the moving plate 6, the outer portion of the guide rod 18 is sleeved with a second spring 19, one end of the second spring 19 is connected with the rear surface of the moving plate 6 and the other end is connected with the rear inner wall of the rectangular through opening 9; when the driving motor 7 is started, the cam 20 is driven to rotate, with the far heart end of the cam 20 approaching the moving plate 6, according to the characteristics of the cam 20, the moving plate 6 can be pushed to move forward, thereby driving the cutter 11 to move forward; when the near heart end of the cam 20 approaches the moving plate 6, the moving plate 6 can be driven to move backward in cooperation with the elastic force of the second spring 19, thereby driving the cutter 11 to move backward, so that the cutter 11 is reset, and the cutter 11 is located directly above the V-shaped groove 4 when the cutter 11 is reset.

[0025] Specifically, in use, a pile of paper to be cut is placed on the top of the base plate 1 and is attached to the surface of the push plate 12, then the push rod 14 is started to drive the push plate 12 to move forward, thereby pushing the paper to be cut to move forward to a position suitable for cutting, then the hydraulic cylinder 5 is started to drive the cutter 11 to move downward and cut the paper edge at a suitable position, in the process of cutting, the pressing plate 17 is always pressed on the edge of the cutout through the arrangement of the anti-curling mechanism, and the pressure becomes greater and greater with the cutting, so that the cutting position is pressed flat, when the cutting is completed and the cutter 11 is just separated from the V-shaped groove 4, the cutter 11 can be driven to move forward through the arrangement of the control assembly, thereby driving the pressing plate 17 to move forward, so that the pressing plate 17 pressed on the edge of the cutout moves away from the paper, the cutter 11 and the pressing plate 17 are separated from the paper, the pressing plate 17 presses the edge of the cutout flat, and the cutter 11 is separated from the paper, so that the paper on the edge of the cutout is not curled upward in the process of upward movement of the cutter 11, the anti-curling effect of the device is greatly improved, the paper processing process is not increased, the processing efficiency is high, and the practicability is high.

[0026] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A paper cutting device against curling, comprising a base plate (1); characterized in that: The top of the bottom plate (1) is provided with a portal frame (2), the top rear side of the bottom plate (1) is provided with a backing plate (13), the top of the backing plate (13) is provided with two electric push rods (14), the elongated ends of the two electric push rods (14) are connected with a push plate (12) in common, the push plate (12) is slidingly arranged on the top of the bottom plate (1), the top front side of the portal frame (2) is provided with a rectangular opening (9) penetratingly arranged, two mutually parallel guide rods (18) are fixedly arranged between the front and rear inner walls of the rectangular opening (9), the same moving plate (6) is slidingly arranged on the outer portions of the two guide rods (18), the portal frame (2) is provided with a control assembly for controlling the movement of the moving plate (6), the bottom of the moving plate (6) is connected with a connecting plate (3) through two hydraulic cylinders (5), the bottom of the connecting plate (3) is provided with a cutter (11), the rear side of the cutter (11) is provided with an anti-curling mechanism.

2. A curling prevention paper cutting device according to claim 1, wherein: The anti-curling mechanism comprises a pressing plate (17) slidingly arranged on the rear side surface of the cutter (11), a plurality of slide rods (15) are fixedly arranged on the top of the pressing plate (17), the plurality of slide rods (15) are equidistantly distributed along the length direction of the pressing plate (17), the top ends of the slide rods (15) penetrate through the connecting plate (3) and are connected with a limiting circular plate (10), the slide rods (15) are slidingly connected with the connecting plate (3), the outer portions of the slide rods (15) are sleeved with first springs (16).

3. A curling prevention paper cutting device according to claim 2, wherein: The control assembly comprises a motor mounting plate (8) fixedly arranged on the top of the portal frame (2), the top of the motor mounting plate (8) is provided with a driving motor (7), the output shaft of the driving motor (7) penetrates through the motor mounting plate (8) and is connected with a cam (20), the cam (20) abuts against the middle portion of the rear side surface of the moving plate (6), the outer portions of the guide rods (18) are sleeved with second springs (19).

4. The roll-lift paper cutting device of claim 2, wherein: The upper end of the first spring (16) is connected with the bottom of the connecting plate (3), and the lower end is connected with the top of the pressing plate (17).

5. A paper cutting device as claimed in claim 3, wherein: One end of the second spring (19) is connected with the rear side surface of the moving plate (6), and the other end is connected with the rear inner wall of the rectangular opening (9).

6. A paper cutting device as claimed in claim 3, wherein: The cam (20) is located in the interior of the rectangular opening (9).

7. The roll-lift paper cutting device of claim 1, wherein: The top of the bottom plate (1) is provided with a V-shaped groove (4) matched with the cutter (11).