Protective mechanism for book trimmer

By installing liftable protective plates and motor-driven cleaning brushes on the book cutter, the problem of lack of protection by the paper cutter is solved, and safety and efficiency are improved.

CN223223532UActive Publication Date: 2025-08-15LIANGSHAN COUNTY HUAYUAN PRINTING CO LTD
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Patent Information

Application Number
CN202422670395.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-04
Publication Date
2025-08-15
Estimated Expiration
2034-11-04

AI Technical Summary

Technical Problem

The existing paper cutters lack protective functions, which makes workers easily injured when cutting paper. They need to manually clean the edges of the paper after cutting, which is very labor-intensive and has a risk of hand scratches.

Method used

A protective mechanism for a book cutting machine is designed, including a liftable protective plate and a cleaning brush. The protective plate is covered on the front side of the cutting knife when cutting, and the paper edge is collected into the collection cavity by a motor driving the cleaning brush to reduce manual operation.

Benefits of technology

Effectively prevent workers from being injured, reduce labor intensity, reduce the need for manual cleaning of paper edges, and improve operational safety and efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a protection mechanism for a book cutting machine, and relates to the technical field of paper cutting machines, the protection mechanism comprises a workbench, a cutting mechanism is arranged on the top of the workbench, a protection assembly is arranged on the front side of the cutting mechanism, the protection assembly comprises a supporting frame, a protection plate is arranged on the supporting frame in a liftable mode, and the protection plate is arranged on the workbench. And a cleaning brush is arranged between the protection plate and the cutting mechanism, the cleaning brush is movably installed on a supporting frame, and collecting cavities are formed in the two sides of the supporting frame. According to the design scheme, through the design that the protective plate is installed on the supporting frame in the liftable mode, the protective plate descends to cover the front side of the cutter in the cutting process, the cutter is prevented from hurting people in the cutting process, a closed space is formed in the supporting frame through the cutter and the protective plate, cut paper edges are scattered in the closed space, and the paper edges are prevented from being damaged. The motor drives the cleaning brush to sweep the deckle edges into the collecting cavity to be collected, so that the labor intensity of workers is relieved, and meanwhile, the risk of injury of the workers is reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of paper cutters, in particular to a protective mechanism for book cutters. Background Art

[0002] Paper cutters are traditional products used to handle paper cutting needs in the post-printing phase. They have evolved from mechanical paper cutters to tape-controlled paper cutters, and further to cutting systems with microcomputer control, color display, full-image operation guidance, visual processing, and computer-assisted cutting, with external programming and editing of production data. These systems have shortened production preparation time, achieved higher cutting accuracy, reduced labor intensity, and made operations safer.

[0003] Most existing paper cutters do not have protective functions. Workers are easily injured when using paper cutters to cut paper. After the paper is cut, the cut paper edges need to be manually cleaned, which results in high labor intensity for the workers. When cleaning the paper edges, there is also the risk of workers' hands being scratched by the cutter. Utility Model Content

[0004] In order to overcome the above-mentioned defects in the prior art, the utility model provides a protective mechanism for a book trimmer.

[0005] The technical solution adopted by the utility model to solve its technical problems is: a protective mechanism for a book trimmer, comprising a workbench, a cutting mechanism is installed on the top of the workbench, a protective assembly is provided on the front side of the cutting mechanism, the protective assembly comprises a support frame, a protective plate is installed on the support frame in a liftable manner, a cleaning brush is provided between the protective plate and the cutting mechanism, the cleaning brush is movably installed on the support frame, and collection chambers are provided on both sides of the support frame.

[0006] Furthermore, the support frame is fixedly installed on the workbench, and cylinders are fixedly installed on the left and right sides of the support frame. The protective plate is movably installed on the top front end of the support frame, and connecting parts are provided at the left and right ends of the top of the protective plate, and the connecting parts are fixedly connected to the power output shaft of the cylinder.

[0007] Furthermore, the protective plate is made of transparent acrylic, and a rubber pad is fixedly installed on the bottom of the protective plate.

[0008] Furthermore, a slide groove is provided on the top wall of the support frame, and the upper end of the cleaning brush is slidably connected to the slide groove. A screw nut is fixedly installed on the top of the cleaning brush, and the screw nut is cooperatively installed on the screw. The screw is rotatably installed on the top of the support frame, and a motor is fixedly installed on either side of the left or right of the support frame, and the power output shaft of the motor is fixedly connected to the rotating shaft of the screw.

[0009] Furthermore, limit switches are fixedly installed at the left and right ends of the slide.

[0010] Furthermore, a suction pipe is fixedly installed on a side of the collecting chamber away from the cleaning brush, and a threaded portion is provided at the end of the suction pipe.

[0011] The beneficial effect of the present invention is that the design of the present invention is that a protective plate is installed on the support frame in a liftable manner. When cutting, the protective plate descends to cover the front side of the cutter, thereby preventing the cutter from causing harm to people during cutting. In addition, a closed space is formed under the support frame by the cutter and the protective plate, and the cut paper edges are scattered in it. The cleaning brush driven by the motor is cleaned into the collection chamber for collection, thereby eliminating the need for workers to manually clean the paper edges, reducing the labor intensity of workers and reducing the risk of injury to workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0013] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0014] Figure 2 This is the main view of the utility model;

[0015] Figure 3 It is a right side view of the utility model;

[0016] Figure 4 for Figure 2 Schematic diagram of the cross-sectional structure in the AA direction;

[0017] Figure 5 for Figure 3 Schematic diagram of the cross-sectional structure in the middle BB direction;

[0018] Figure 6 for Figure 5 A partial enlarged view of the middle C area.

[0019] In the figure: 1. workbench, 2. cutting mechanism, 3. support frame, 31. slide, 32. collecting chamber, 4. protective plate, 41. connecting part, 5. rubber pad, 6. cylinder, 7. cleaning brush, 8. screw nut, 9. screw, 10. motor, 11. limit switch, 12. suction tube, 121. threaded part. DETAILED DESCRIPTION

[0020] In order to more clearly illustrate the technical solution of the present invention, the present invention is further described below in conjunction with the accompanying drawings. Obviously, the drawings described below are only one embodiment of the present invention. For ordinary technicians in this field, without paying any creative work, other embodiments can be obtained based on these drawings and embodiments, which all fall within the scope of protection of the present invention.

[0021] according to Figure 1-6 As shown, a protective mechanism for a book trimmer includes a workbench 1, a cutting mechanism 2 is installed on the top of the workbench 1, a protective assembly is provided on the front side of the cutting mechanism 2, the protective assembly includes a support frame 3, a protective plate 4 is installed on the support frame 3 in a liftable manner, a cleaning brush 7 is provided between the protective plate 4 and the cutting mechanism 2, the cleaning brush 7 is movably installed on the support frame 3, and collection chambers 32 are provided on both sides of the support frame 3.

[0022] In this embodiment, the support frame 3 is fixedly mounted on the workbench 1, and the cylinder 6 is fixedly mounted on the left and right sides of the support frame 3. The protective plate 4 is movably mounted on the top front end of the support frame 3. The left and right ends of the top of the protective plate 4 are provided with connecting parts 41, and the connecting parts 41 are fixedly connected to the power output shaft of the cylinder 6. When cutting, the protective plate 4 is driven to descend by the cylinder 6. The protective plate 4 covers the front side of the cutter to prevent the cutter from causing harm to people. A rubber pad 5 is fixedly mounted on the bottom of the protective plate 4. The rubber pad 5 prevents the protective plate 4 from pinching workers when it descends. The protective plate 4 is made of transparent acrylic. When cutting, workers can observe the cutting situation of the paper through the protective plate 4.

[0023] In this embodiment, a slide groove 31 is provided on the top wall of the support frame 3, and the upper end of the cleaning brush 7 is slidably connected to the slide groove 31. A screw nut 8 is fixedly installed on the top of the cleaning brush 7, and the screw nut 8 is mounted on the screw 9. The screw 9 is rotatably mounted on the top of the support frame 3 through the bearing seat. A motor 10 is fixedly installed on the right side of the support frame 3 through a motor bracket. The power output shaft of the motor 10 is fixedly connected to the rotating shaft of the screw 9 through a coupling. The screw 9 is driven to rotate by the motor 10, and the cleaning brush 7 moves on the support frame 3 along the slide groove 31 with the cooperation of the screw 9 and the screw nut 8.

[0024] In this embodiment, limit switches 11 are fixedly installed at the left and right ends of the chute 31. When the cleaning brush 7 moves to the end of the chute 31, it will contact the limit switch 11. After receiving the signal from the limit switch 11, the motor 10 stops.

[0025] In this embodiment, a suction pipe 12 is fixedly installed on the side of the collection chamber 32 away from the cleaning brush 7. The end of the suction pipe 12 is provided with a threaded portion 121. The suction pipe 12 is connected to a waste collection device (not shown in the figure) through an air pipe. The waste collection device sucks out the paper strips accumulated in the collection chamber 32 through the suction pipe 12 for collection.

[0026] When the utility model is in use, the worker pushes the paper to be cut from the front side of the support frame 3 to the cutting mechanism 2. When the paper is positioned and ready for cutting, the cylinder 6 drives the protective plate 4 to descend and cover the front side of the cutter to prevent the cutter from causing harm to people during cutting. In addition, the cutter and the protective plate 4 form a closed space under the support frame, and the cut paper edges are scattered in it. The cleaning brush 7 is driven by the motor 10 to clean the paper edges into the collection chamber 32 for collection, thereby eliminating the need for workers to manually clean the paper edges, reducing the labor intensity of workers and reducing the risk of injury to workers.

[0027] The above embodiments are merely exemplary embodiments of the present invention and are not intended to limit the scope of the present invention. The scope of protection of the present invention is defined by the claims. Those skilled in the art may make various modifications or equivalent substitutions to the present invention within the spirit and scope of protection of the present invention, and such modifications or equivalent substitutions shall also be deemed to fall within the scope of protection of the present invention.

Claims

1. A protective mechanism for a book trimmer, comprising a workbench (1), a cutting mechanism (2) being mounted on the top of the workbench (1), and characterized in that: A protective assembly is provided on the front side of the cutting mechanism (2), the protective assembly comprising a support frame (3), a protective plate (4) being movably mounted on the support frame (3), a cleaning brush (7) being provided between the protective plate (4) and the cutting mechanism (2), the cleaning brush (7) being movably mounted on the support frame (3), and collection chambers (32) being provided on both sides of the support frame (3).

2. A protective mechanism for a book trimmer according to claim 1, characterized in that: The support frame (3) is fixedly mounted on the workbench (1), and cylinders (6) are fixedly mounted on the left and right sides of the support frame (3). The protective plate (4) is movably mounted on the top front end of the support frame (3), and connecting parts (41) are provided at the left and right ends of the top of the protective plate (4). The connecting parts (41) are fixedly connected to the power output shaft of the cylinder (6).

3. A protective mechanism for a book trimmer according to claim 2, characterized in that: The protective plate (4) is made of transparent acrylic, and a rubber pad (5) is fixedly mounted on the bottom of the protective plate (4).

4. The protective mechanism for a book trimmer according to claim 1, characterized in that: A slide groove (31) is provided on the top wall of the support frame (3), and the upper end of the cleaning brush (7) is slidably connected to the slide groove (31). A lead screw nut (8) is fixedly installed on the top of the cleaning brush (7), and the lead screw nut (8) is mounted on the lead screw (9). The lead screw (9) is rotatably mounted on the top of the support frame (3). A motor (10) is fixedly installed on either side of the support frame (3), and the power output shaft of the motor (10) is fixedly connected to the rotating shaft of the lead screw (9).

5. The protective mechanism for a book trimmer according to claim 4, characterized in that: Limit switches (11) are fixedly mounted on the left and right ends of the chute (31).

6. The protective mechanism for a book trimmer according to claim 1, characterized in that: A suction pipe (12) is fixedly mounted on the side of the collecting chamber (32) away from the cleaning brush (7), and a threaded portion (121) is provided at the end of the suction pipe (12).