Precise paper cutting mechanism for printed products

By designing the reciprocating motion of the substrate, gantry frame, and cutter, combined with the nozzle and airbag device, the problem of cumbersome position adjustment during the cutting process of printed products is solved, thus improving cutting efficiency and quality.

CN223904015UActive Publication Date: 2026-02-13GUANGZHOU YIFENG PRINTING CO LTD
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Patent Information

Application Number
CN202520475810.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-18
Publication Date
2026-02-13
Estimated Expiration
2035-03-18

AI Technical Summary

Technical Problem

The current process of cutting printed products requires repeated adjustments to the cutting position, which makes the operation cumbersome, affects processing efficiency, and increases labor intensity.

Method used

Design a precision paper cutting mechanism that includes a base plate, a gantry frame, a lifting device, and a telescopic device. The mechanism uses a concave plate for positioning, a drive motor to drive a turntable to achieve the reciprocating motion of the cutter, a nozzle to blow away paper scraps and an airbag for cooling, and an elastic top pressure device to improve cutting efficiency and quality.

Benefits of technology

It enables rapid positioning and cutting width adjustment of printed products, improves cutting efficiency, reduces edge curling and power waste, and enhances processing efficiency and cutting quality.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223904015U_ABST
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Abstract

The utility model discloses an accurate paper cutting mechanism for printed products, and relates to the technical field of printing cutting equipment. A precise paper cutting mechanism for printed products comprises a base plate and further comprises a door-shaped frame fixedly connected to the upper end of the base plate, lifting equipment is fixedly installed on the door-shaped frame, a cutter is installed at the telescopic end of the lifting equipment, and a cutting groove vertically aligned with the cutter is formed in the base plate; the telescopic equipment is fixedly installed on the base plate, and the telescopic end of the telescopic equipment is fixedly connected with a concave plate; the cutting width can be quickly adjusted, operation is simpler and more efficient, the machining efficiency of printed products is guaranteed, and the cutting efficiency of the cutter can be improved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to printing cutting equipment technical field, concretely relates to a kind of printing product accurate paper cutting mechanism. BACKGROUND

[0002] Printing product is to transfer to paper surface by the way of ink, including some books are the product processed by printing technology, after printing, the part of paper surface combination printing is cut to separate.

[0003] On market, paper is placed by staff, then cut by being transported to the lower part of cutter, since printing product of different length is produced in most cases, so cutting position needs to be adjusted repeatedly, operation is more cumbersome, indirectly, it will affect the processing efficiency of printing product, and also increase the labor intensity of worker. UTILITY MODEL CONTENT

[0004] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art, and provide a printing product accurate paper cutting mechanism that can overcome the above problems or at least partially solve the above problems.

[0005] To solve the above technical problems, the basic idea of the technical scheme of the utility model is:

[0006] A printing product accurate paper cutting mechanism, comprising a base plate, further comprising: a door-shaped frame fixedly connected to the upper end of the base plate, wherein a lifting device is fixedly installed on the door-shaped frame, a cutting knife is installed at the extension end of the lifting device, and a cutting groove aligned with the cutting knife is provided on the base plate; a telescopic device is fixedly installed on the base plate, wherein the extension end of the telescopic device is fixedly connected to a concave plate.

[0007] Preferably, the extension end of the lifting device is fixedly connected to a device box with an opening downward, the top of the cutting knife is transversely slidably installed in the device box, and a reciprocating part for driving the cutting knife to reciprocate in the device box is provided in the device box.

[0008] Further, the reciprocating part comprises a rotating disc rotatably installed in the device box, the other end of an eccentrically arranged connecting rod rotatably connected to the outer wall of the cutting knife is rotatably installed on the shaft end surface of the rotating disc, and a drive motor for driving the rotating disc to rotate is fixedly installed on the outer wall of the device box.

[0009] Further, two symmetrically arranged spray pipes are fixedly installed on the inner wall of the device box, and a spray head facing the outer wall of the cutting knife is fixedly installed on each of the two spray pipes.

[0010] Further, the bottom of the door-shaped frame is fixedly provided with an elastic air bag, the telescopic end of the elastic air bag abuts against the top of the device box, an air suction pipe and an air exhaust pipe are fixedly connected to the elastic air bag and communicate with the elastic air bag, and the tail end of the air exhaust pipe is fixedly connected with and communicates with the spray pipe.

[0011] Further, the outer wall of the device box is longitudinally slidably provided with a pressing rod, the pressing rod is close to the concave plate, and the device box is provided with a pressing part for pressing the pressing rod elastically.

[0012] Further, the pressing part comprises a mounting plate fixedly connected to the outer wall of the device box, the bottom of the mounting plate is provided with a longitudinal slot, a vertical plate is longitudinally slidably arranged in the longitudinal slot, a pressing spring is arranged between the vertical plate and the inner top of the longitudinal slot, and the pressing rod is fixedly connected with the vertical plate.

[0013] Preferably, the two sides of the concave plate are fixedly provided with guide inclined plates, and the two guide inclined plates are arranged in an eight-character shape on the concave plate.

[0014] Compared with the prior art, the technical scheme has the following beneficial effects:

[0015] 1. The printing product is placed on the base plate 1, and then one end of the printing product is abutted against the concave plate, so that the positioning work of the printing product is quickly completed, when different widths of the printing product need to be cut, the concave plate is driven by the telescopic device to move horizontally, the concave plate can move the printing product to different positions, and the adjustment work of the cutting width is quickly completed, the operation is more simple and efficient, and the processing efficiency of the printing product is ensured.

[0016] 2. The driving motor drives the rotating disc to rotate, so that the cutter can complete the reciprocating cutting action while lifting, on the one hand, the cutting efficiency is improved, and on the other hand, the printing product is not easy to have the edge curling phenomenon.

[0017] 3. The device box moves upward to press the elastic air bag, and the spray pipe blows the air flow to the surface of the cutter through the nozzle, on the one hand, the cutter can efficiently blow off the paper scraps remaining on the surface in cooperation with the reciprocating cutter, on the other hand, the cutter can be effectively cooled, and on the other hand, the cutter mainly utilizes the time and lifting force of the cutter during the return stroke, so that the time and power waste are reduced.

[0018] The specific implementation manners of the present application will be further described in detail in combination with the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0019] In the drawings:

[0020] Figure 1A first perspective axonometric structure schematic view of the precise paper cutting mechanism of the printed product is provided in the utility model.

[0021] Figure 2 A second perspective axonometric structure schematic view of the precise paper cutting mechanism of the printed product is provided in the utility model.

[0022] Figure 3 A local section structure schematic view of the precise paper cutting mechanism of the printed product is provided in the utility model.

[0023] Figure 4 An installation plate axonometric section structure schematic view of the precise paper cutting mechanism of the printed product is provided in the utility model.

[0024] Figure 5 A spray pipe axonometric structure schematic view of the precise paper cutting mechanism of the printed product is provided in the utility model.

[0025] In the figure: 1, base plate; 2, door-shaped frame; 3, lifting device; 4, cutting groove; 5, cutting knife; 6, telescopic device; 7, concave plate; 8, guide inclined plate; 9, installation plate; 10, longitudinal groove; 11, vertical plate; 12, pressing rod; 13, top pressing spring; 14, device box; 15, rotating disc; 16, connecting rod; 17, elastic air bag; 18, spray pipe; 19, spray head; 20, exhaust pipe; 21, air suction pipe; 22, driving motor. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments will be clearly and completely described below in combination with the drawings in the embodiments of the utility model, and the following embodiments are used to illustrate the utility model but not to limit the scope of the utility model.

[0027] Embodiment: refer to Figures 1-5 A precise paper cutting mechanism of printed product, including the base plate 1 for placing printed product, still include: the door-shaped frame 2 of the appearance is in the shape of arch door, fixedly connected in the upper end of base plate 1, wherein, the door-shaped frame 2 is fixedly installed with lifting device 3, the telescopic end of lifting device 3 is installed with cutting knife 5, and the cutting groove 4 that is vertically aligned with cutting knife 5 is provided on base plate 1;Telescopic device 6 is fixedly installed on base plate 1, wherein, lifting device 3 and telescopic device 6 can be electric telescopic rod or hydraulic cylinder, and the telescopic end of telescopic device 6 is fixedly connected with concave plate 7, the both sides of concave plate 7 are fixedly connected with guide inclined plate 8, two guide inclined plates 8 are in the shape of eight characters and are arranged on concave plate 7, and the printed product is conveniently pushed into concave plate 7 by guide inclined plate 8.

[0028] In use, the printed product is placed on the base plate 1, and then one end of the printed product is abutted against the concave plate 7, so that the positioning of the printed product is quickly completed. When the printed product with different widths needs to be cut, the concave plate 7 is driven to translate by the telescopic device 6, so that the printed product can be moved to different positions, and the adjustment of the cutting width is quickly completed. The operation is more simple and efficient, and the processing efficiency of the printed product is ensured. When the printed product needs to be cut, the cutter 5 is driven to move downward by the lifting device 3, and the cutting is completed when the cutter 5 cuts off the printed product and penetrates into the cutting groove 4. After the cutting is completed, the cutter 5 is driven to move upward and reset by the lifting device 3.

[0029] The telescopic end of the lifting device 3 is fixedly connected with a device box 14 with an opening downwardly arranged. The top of the cutter 5 is transversely and slidably installed in the device box 14. The device box 14 is provided with a reciprocating part for driving the cutter 5 to reciprocate transversely in the device box 14. The reciprocating part comprises a rotating disc 15 rotatably installed in the device box 14. The shaft end surface of the rotating disc 15 is rotatably connected with the other end of an eccentrically arranged connecting rod 16. The outer wall of the device box 14 is fixedly connected with a driving motor 22 for driving the rotating disc 15 to rotate.

[0030] During the cutting process, the driving motor 22 is started, and the driving motor 22 drives the rotating disc 15 to rotate. The rotating disc 15 drives the cutter 5 to reciprocate transversely in the device box 14 through the connecting rod 16 according to the principle of the crank slider. Thus, the cutter 5 can reciprocate transversely while lifting, so that the cutting efficiency is improved, and the cutting edge of the printed product is not prone to curling. When the cutter 5 is reset upward, the reciprocating cutter 5 can shake off the paper scraps, so that the cutter 5 is kept clean.

[0031] The inner wall of the device box 14 is fixedly connected with two symmetrically arranged spray pipes 18. The two spray pipes 18 are fixedly connected with spray heads 19 facing the outer wall of the cutter 5. The spray heads 19 are used for blowing air to the two side surfaces of the cutter 5. The bottom of the door-shaped frame 2 is fixedly connected with an elastic air bag 17. The telescopic end of the elastic air bag 17 abuts against the top of the device box 14. The elastic air bag 17 is fixedly connected with an air suction pipe 21 and an air exhaust pipe 20 in communication. The distal end of the air exhaust pipe 20 is fixedly connected with the spray pipe 18 in communication. The air suction pipe 21 and the air exhaust pipe 20 are both provided with a one-way valve.

[0032] When the cutter 5 moves upward, the device box 14 also moves upward and presses the elastic air bag 17, the elastic air bag 17 discharges the internal air to the nozzle 18 through the exhaust pipe 20, the nozzle 18 blows the air flow to the surface of the cutter 5 through the spray head 19, which can blow off the paper scraps on the surface of the cutter 5, and can effectively cool the cutter 5, and the main use of the cutter 5 return time and lifting force can reduce the waste of time and power, and after the cutter 5 and the device box 14 move downward, the elastic air bag 17 is elastically reset and absorbs air through the air suction pipe 21.

[0033] The outer wall of the device box 14 is longitudinally slidably installed with the pressing rod 12, the pressing rod 12 is close to the concave plate 7, the device box 14 is provided with a pressing part for elastically pressing the pressing rod 12, the pressing part includes the mounting plate 9 fixedly connected to the outer wall of the device box 14, the bottom of the mounting plate 9 is provided with the longitudinal slot 10, the vertical plate 11 is longitudinally slidably installed in the longitudinal slot 10, the top pressing spring 13 is installed between the vertical plate 11 and the inner top of the longitudinal slot 10, and the pressing rod 12 is fixedly connected with the vertical plate 11.

[0034] Specifically, when the device box 14 moves downward, the device box 14 also moves the pressing rod 12 downward, the pressing rod 12 is first pressed on one side of the printed product, so that the printed product is fixed, and the quality of cutting the printed product is guaranteed, and the device box 14 continues to move downward, the vertical plate 11 slides into the longitudinal slot 10, and the top pressing spring 13 is compressed, the top pressing spring 13 generates a reaction force on the pressing rod 12, when the cutter 5 is cut and reset upward, the top pressing spring 13 is elastically reset, and the pressing rod 12 is moved downward to the initial position through the vertical plate 11, and the bottom of the pressing rod 12 is lower than the blade of the cutter 5.

[0035] The printed product precision cutting mechanism can place the printed product on the base plate 1, and then abut one end of the printed product against the concave plate 7, so as to quickly complete the positioning of the printed product, when different widths of the printed product need to be cut, the concave plate 7 can move the printed product to different positions through the telescopic device 6, so as to quickly complete the adjustment of the cutting width, the operation is more simple and efficient, and the processing efficiency of the printed product is guaranteed, when the printed product needs to be cut, the cutter 5 is moved downward through the lifting device 3, and the cutting work is completed when the cutter 5 cuts the printed product and penetrates into the cutting groove 4, and the cutter 5 is reset upward through the lifting device 3 after cutting.

[0036] During the cutting process, the driving motor 22 is started, the driving motor 22 drives the rotating disc 15 to rotate, the rotating disc 15 drives the cutter 5 to reciprocate transversely in the device box 14 through the connecting rod 16 according to the principle of the slider-crank mechanism, so that the cutter 5 can complete the reciprocating cutting action while lifting, which can improve the cutting efficiency and prevent the cutting edge of the printed product from curling, and when the cutter 5 is reset upward, the reciprocating cutter 5 can shake off the paper scraps, ensuring the neatness of the cutter 5.

[0037] The above merely describes preferred embodiments of the present application and is not intended to limit the present application in any form. Although the present application has been disclosed with preferred embodiments, it is not intended to limit the present application. Any skilled person in the art can make some changes or modifications to the above-mentioned technical content without departing from the technical solution of the present application, and equivalent embodiments with equivalent changes can be made. Any simple modification, equivalent change and modification of the above embodiments made according to the technical essence of the present application still belong to the scope of the present application.

Claims

1. A precision cutting mechanism for printed products, comprising a base plate (1), characterized in that, Also include: The door-shaped frame (2) is fixedly connected to the upper end of the base plate (1), Wherein, the door-shaped frame (2) is fixedly installed with lifting device (3), the telescopic end of the lifting device (3) is installed with cutter (5), the base plate (1) is provided with cutting groove (4) aligned with cutter (5) up and down; Fixedly installed on the base plate (1) telescopic device (6), Wherein, the telescopic end of the telescopic device (6) is fixedly connected with the concave plate (7).

2. A precision cutting mechanism for printed products according to claim 1, characterized in that, The telescopic end of the lifting device (3) is fixedly connected with the device box (14) with opening downward, the top of the cutter (5) is transversely slidably installed in the device box (14), and the device box (14) is provided with a reciprocating part for driving the cutter (5) to reciprocate in the device box (14).

3. A precision cutting mechanism for printed products according to claim 2, characterized in that, The reciprocating part includes a rotating disc (15) rotatably installed in the device box (14), the other end of the eccentrically arranged connecting rod (16) rotatably connected to the outer wall of the cutter (5) is rotatably installed on the shaft end surface of the rotating disc (15), and the outer wall of the device box (14) is fixedly installed with a driving motor (22) for driving the rotating disc (15) to rotate.

4. A precision cutting mechanism for printed products as claimed in claim 2, wherein, The inner wall of the device box (14) is fixedly installed with two symmetrically arranged nozzles (18), and the nozzles (18) are fixedly installed with spray heads (19) facing the outer wall of the cutter (5).

5. A precision cutting mechanism for printed products according to claim 4, characterized in that, The bottom of the door-shaped frame (2) is fixedly installed with an elastic air bag (17), the telescopic end of the elastic air bag (17) abuts against the top of the device box (14), and the elastic air bag (17) is fixedly connected with the air suction pipe (21) and the air exhaust pipe (20) in communication, and the tail end of the air exhaust pipe (20) is fixedly connected with the nozzle (18) in communication.

6. A precision cutting mechanism for printed products as claimed in claim 2, wherein, The outer wall of the device box (14) is longitudinally slidably installed with a pressing rod (12), the pressing rod (12) is close to the concave plate (7), and the device box (14) is provided with a pressing part for pressing the pressing rod (12) elastically.

7. A precision cutting mechanism for printed products according to claim 6, characterized in that, The pressing part includes a mounting plate (9) fixedly connected to the outer wall of the device box (14), the bottom of the mounting plate (9) is provided with a longitudinal slot (10), the vertical plate (11) is longitudinally slidably installed in the longitudinal slot (10), the pressing spring (13) is installed between the vertical plate (11) and the inner top of the longitudinal slot (10), and the pressing rod (12) is fixedly connected with the vertical plate (11).

8. A precision cutting mechanism for printed products as claimed in claim 1, wherein, The two sides of the concave plate (7) are fixedly connected with guide inclined plates (8), and the two guide inclined plates (8) are arranged in an eight-shaped manner on the concave plate (7).