Paper shredder with paper feeding auxiliary structure

By setting up rubber rollers and cylinder pushing pressure plates at the feed shell of the shredder, the problem of the shredder lacking a crushing structure when putting paper and the fluffy paper occupies space after cutting is solved, achieving smoother paper cutting and more effective space management.

CN222943604UActive Publication Date: 2025-06-06BONSEN ELECTRONICS CO LTD +1
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Patent Information

Application Number
CN202421733931.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-22
Publication Date
2025-06-06
Estimated Expiration
2034-07-22

AI Technical Summary

Technical Problem

The existing shredders lack a crushing structure when putting paper, which makes the bent paper easily clogged, and the paper fluffy after cutting takes up space and needs frequent cleaning.

Method used

A paper shredder with a paper feed auxiliary structure was designed. By setting two rubber rollers at the feed shell and driving them to rotate, the paper is flattened and bent, and the cylinder is used to push the pressure plate downward to compress the fluffy shredded paper strips to make room.

Benefits of technology

It effectively avoids the blockage of paper shredded structure caused by paper bending, and reduces the need for shredded paper to occupy space and reduces the cleaning frequency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a paper shredder with a paper feeding auxiliary structure, which comprises a case, two sides of the top inside the case are rotatably connected with rotating shafts through bearings I, the surfaces of the two rotating shafts are fixedly sleeved with a plurality of cutter heads, and the top end of the case is fixedly communicated with a feeding shell. Rotating shafts are rotationally connected to the two sides of the interior of the feeding shell through second bearings, the surfaces of the rotating shafts are fixedly sleeved with rubber rollers, the ends, penetrating through the outer wall of the feeding shell, of the two rotating shafts are fixedly connected with first gears, a first motor is fixedly installed on the side, deviating from the first gears, of the feeding shell, and air cylinders are fixedly installed on the two sides of the machine box; according to the paper shredder with the paper feeding auxiliary structure, paper in a bending state can be flatly rolled, cutting is facilitated, the situation that a paper shredding structure is blocked and clamped is avoided, fluffy paper shredding strips can be compressed, and the situation that frequent cleaning is needed due to the fact that a large space is occupied is avoided.
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Description

Technical Field

[0001] The utility model relates to the technical field of office supplies, in particular to a paper shredder with a paper feeding auxiliary structure. Background Art

[0002] A shredder is a device used to convert paper into small pieces by cutting it to protect information security or facilitate waste paper disposal.

[0003] However, the existing paper shredders have the following disadvantages:

[0004] (1) Existing shredders lack a structure to flatten the paper when feeding it. When the paper is bent, it is easy to cause the shredding structure to get stuck;

[0005] (2) Existing shredders lack a compression structure for paper after cutting it. Fluffy paper takes up more space in the shredder and needs to be cleaned frequently. Utility Model Content

[0006] The utility model aims to provide a shredder with a paper feeding auxiliary structure to solve the problems in the prior art that the existing shredder lacks a structure for flattening the paper when feeding it, and when the paper is bent, it is easy to cause the shredding structure to get stuck. After the shredder cuts the paper, it lacks a structure for compressing the paper, and the fluffy paper takes up more space in the shredder, requiring frequent cleaning.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a paper shredder with a paper feeding auxiliary structure, comprising a chassis, both sides of the top of the chassis are rotatably connected with a rotating shaft through bearing 1, and a plurality of knife discs are fixedly sleeved on the surfaces of the two rotating shafts, the top of the chassis is fixedly connected with a feed shell, both sides of the feed shell are rotatably connected with a rotating shaft through bearing 2, and a rubber roller is fixedly sleeved on the surface of the rotating shaft, one end of the two rotating shafts passes through the outer wall of the feed shell and is fixedly connected with a gear 1, a motor 1 is fixedly installed on the side of the feed shell away from the gear 1, cylinders are fixedly installed on both sides of the chassis, the bottom ends of the two cylinders are fixedly connected with connecting pieces, the inner walls of the two connecting pieces are rotatably connected with a horizontal axis through bearing 3, and a pressure plate is fixedly connected to the surface of the horizontal axis.

[0008] When using a shredder with a paper feeding auxiliary structure according to the technical solution, the paper in a bent state can be rolled flat to facilitate cutting and avoid clogging of the shredding structure. The fluffy shredded paper strips can be compressed to avoid taking up too much space and requiring frequent cleaning.

[0009] As a preferred technical solution of the utility model, the output end of the motor 1 passes through the inner wall of the feed shell and is fixedly connected to one of the rotating shafts, the surface of the rubber roller is provided with a plurality of anti-skid protrusions, and the two gears 1 are meshed. The anti-skid protrusions can increase the friction force on the surface of the rubber roller.

[0010] As a preferred technical solution of the utility model, one end of the horizontal axis is fixedly connected to a lever, the bottoms of both sides of the chassis are provided with displacement openings, and the horizontal axis is slidably connected to the inner wall of the displacement openings. The provided displacement openings provide space for the horizontal axis to move up and down.

[0011] As a preferred technical solution of the utility model, one end of the surface of the two rotating shafts is fixedly sleeved with a second gear, the top of the chassis close to the first motor is fixedly installed with a second motor, and the output end of the second motor passes through the inner wall of the chassis and is fixedly connected to one of the rotating shafts, and the two second gears are meshed. The second motor is used to drive the rotating shaft to rotate.

[0012] As a preferred technical solution of the utility model, a switch panel is fixedly installed on the top of the front of the chassis, and the motor 1, the motor 2 and the two cylinders are electrically connected to an external power supply through the switch panel. The switch panel is used to control the operation of the shredder.

[0013] As a preferred technical solution of the utility model, a door is hinged at the bottom of the front of the box, a glass window is provided in the middle of the door, and a pull-out is provided on one side of the door surface. The glass window is provided to facilitate observation of the shredding status inside the shredder.

[0014] As a preferred technical solution of the utility model, the four corners of the bottom of the chassis are fixedly connected with rubber feet. The rubber feet make the shredder less likely to slide and more stable when placed.

[0015] As a preferred technical solution of the utility model, the top and bottom of the lever are fixedly covered with a silicone sleeve, which prevents the hand from slipping off when the lever is moved.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. By setting two rubber rollers at the feeding shell of the shredder, the motor 1 can be started, and under the transmission of the gear 1, the rubber rollers on the two rotating shafts can be driven to rotate at the same time. When the bent paper is put in, the two rubber rollers can roll it flat, which is convenient for cutting and avoids the situation that the shredder structure is blocked;

[0018] 2. Move the lever by hand to rotate the horizontal axis so that the pressure plate is horizontal, and then start the cylinder to push the pressure plate downward to compress the paper at the bottom of the chassis, which can free up space to continue collecting shredded paper and avoid the situation where fluffy shredded paper strips take up too much space and require frequent cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional diagram of the utility model;

[0020] Figure 2 It is a top cross-sectional view of the cutter disc of the utility model;

[0021] Figure 3 It is a top cross-sectional view of the feed shell of the utility model;

[0022] Figure 4 It is a front cross-sectional view of the chassis of the utility model.

[0023] In the figure: 1. Chassis; 2. Rotating shaft; 3. Cutter disc; 4. Gear 1; 5. Motor 1; 6. Box door; 7. Glass window; 8. Feed shell; 9. Rotating shaft; 10. Rubber roller; 11. Gear 2; 12. Motor 2; 13. Anti-slip protrusion; 14. Switch panel; 15. Cylinder; 16. Connector; 17. Horizontal axis; 18. Displacement port; 19. Pressure plate; 20. Push rod; 21. Push port; 22. Rubber foot; 23. Silicone sleeve. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-4The utility model provides a paper shredder with a paper feeding auxiliary structure, including a chassis 1, both sides of the top of the chassis 1 are rotatably connected with a rotating shaft 2 through a bearing 1, and the surfaces of the two rotating shafts 2 are fixedly sleeved with a plurality of knife discs 3 for cutting paper, and the top of the chassis 1 is fixedly connected with a feed shell 8, and both sides of the inside of the feed shell 8 are rotatably connected with a rotating shaft 9 through a bearing 2, and the surface of the rotating shaft 9 is fixedly sleeved with a rubber roller 10 for rolling and flattening paper, one end of the two rotating shafts 9 passes through the outer wall of the feed shell 8 and is fixedly connected with a gear 4, and a motor 5 is fixedly installed on the side of the feed shell 8 away from the gear 4, and a cylinder 15 is fixedly installed on both sides of the chassis 1, and the bottom ends of the two cylinders 15 are fixedly connected with connecting pieces 16, and the inner walls of the two connecting pieces 16 are rotatably connected with a horizontal shaft 17 through a bearing 3, and the surface of the horizontal shaft 17 is fixedly connected with a pressing plate 19 for compressing shredded paper.

[0026] When in use, by arranging two rubber rollers 10 at the feed shell 8 of the shredder, the motor 5 can be started, and under the transmission of the gear 4, the rubber rollers 10 on the two rotating shafts 9 are driven to rotate at the same time. When the bent paper is put in, the two rubber rollers 10 can roll it flat, which is convenient for cutting and avoids the situation where the shredding structure is blocked.

[0027] The output end of motor 15 passes through the inner wall of the feed shell 8 and is fixedly connected to one of the rotating shafts 9. The surface of the rubber roller 10 is provided with a plurality of anti-slip protrusions 13 to improve friction. The two gears 14 are meshed. One end of the surface of the two rotating shafts 2 is fixedly sleeved with a gear 2 11. A motor 2 12 is fixedly installed on the top of the chassis 1 near the side of the motor 15, and the output end of the motor 2 12 passes through the inner wall of the chassis 1 and is fixedly connected to one of the rotating shafts 2. The two gears 2 11 are meshed for transmission.

[0028] When in use, by starting the motor 2 12, under the transmission of the gear 2 11, the cutter discs 3 on the two rotating shafts 2 can be driven to rotate simultaneously, and the waste paper to be processed is put into the shredder case 1 from the feed shell 8. When passing through the cutter disc 3, it will be cut into shredded strips and fall to the bottom of the case 1. By starting the motor 1 5, the two rubber rollers 10 can be driven to rotate simultaneously, and the anti-slip protrusions 13 on the rubber rollers 10 can guide the paper to the correct position to fall.

[0029] One end of the horizontal axis 17 is fixedly connected to a lever 20, and displacement openings 18 are opened at the bottom of both sides of the chassis 1, and the horizontal axis 17 is slidably connected to the inner wall of the displacement opening 18 to provide movement space, and the top and bottom of the lever 20 are fixedly covered with silicone sleeves 23 to increase friction.

[0030] When in use, the lever 20 is moved by hand, and the silicone sleeve 23 is arranged to prevent the hand from slipping. The horizontal axis 17 is rotated to make the pressure plate 19 horizontal, and then the cylinder 15 is started to push the pressure plate 19 to move downward along the displacement opening 18, so as to compress the paper at the bottom of the chassis 1 and make room for further collecting shredded paper.

[0031] A switch panel 14 is fixedly installed on the top of the front of the chassis 1. Motor 1 5, motor 2 12 and two cylinders 15 are electrically connected to an external power supply through the switch panel 14 to control opening and closing. A door 6 is hinged at the bottom of the front of the chassis 1. A glass window 7 is provided in the middle of the door 6 for easy observation. A dial opening 21 is provided on one side of the surface of the door 6 for easy operation. Rubber feet 22 are fixedly connected to the four corners of the bottom end of the chassis 1 to improve the anti-slip performance.

[0032] When in use, the external power supply is turned on and the operation of the shredder is controlled by pressing the switch panel 14. The door 6 is provided to seal the bottom of the chassis 1, and the shredded paper can be cleaned by pushing the opening 21. The glass window 7 is provided to facilitate observation of the shredded paper inside the shredder. The rubber feet 22 make the shredder more stable and less likely to slide when working.

[0033] When in use, the utility model is a shredder with a paper feeding auxiliary structure. By starting the motor 2 12, the knife discs 3 on the two rotating shafts 2 can be driven to rotate simultaneously under the transmission of the gear 2 11, and the waste paper to be processed is put into the shredder case 1 from the feed shell 8. When passing through the knife disc 3, it will be cut into shredded strips and fall into the bottom of the case 1. By arranging two rubber rollers 10 at the feed shell 8 of the shredder, the motor 1 5 can be started, and under the transmission of the gear 1 4, the rubber rollers 10 on the two rotating shafts 9 can be driven to rotate at the same time. When the paper in the bent state is put into the paper, the two rubber rollers 10 can roll it flat to facilitate cutting and avoid the situation that the paper shredding structure is blocked and stuck. By manually moving the lever 20, the horizontal axis 17 is rotated to make the pressure plate 19 face horizontally, and then the cylinder 15 is started to push the pressure plate 19 to move it downward, so as to compress the paper at the bottom of the case 1, and space can be freed up to continue to collect shredded paper, so as to avoid the situation that the fluffy shredded paper strips occupy more space and need to be cleaned frequently.

[0034] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A paper shredder with a paper feeding auxiliary structure, comprising a housing (1), characterized in that: The top of the chassis (1) is rotatably connected to a rotating shaft (2) on both sides through bearing 1, and a plurality of blade discs (3) are fixedly sleeved on the surfaces of the two rotating shafts (2). The top of the chassis (1) is fixedly connected to a feed shell (8), and the inside of the feed shell (8) is rotatably connected to a rotating shaft (9) on both sides through bearing 2, and a rubber roller (10) is fixedly sleeved on the surface of the rotating shaft (9). One end of the two rotating shafts (9) passes through the outer wall of the feed shell (8) and is fixedly connected to a gear 1 (4). A motor 1 (5) is fixedly installed on the side of the feed shell (8) away from the gear 1 (4). Cylinders (15) are fixedly installed on both sides of the chassis (1), and the bottom ends of the two cylinders (15) are fixedly connected to connecting pieces (16). The inner walls of the two connecting pieces (16) are rotatably connected to a transverse shaft (17) through bearing 3, and a pressure plate (19) is fixedly connected to the surface of the transverse shaft (17).

2. A paper shredder with a paper feeding auxiliary structure according to claim 1, characterized in that: The output end of the motor 1 (5) passes through the inner wall of the feed shell (8) and is fixedly connected to one of the rotating shafts (9). The surface of the rubber roller (10) is provided with a plurality of anti-slip protrusions (13), and the two gears 1 (4) are meshed.

3. The paper shredder with a paper feeding auxiliary structure according to claim 1, characterized in that: One end of the transverse axis (17) is fixedly connected to a lever (20), the bottoms of both sides of the chassis (1) are provided with displacement openings (18), and the transverse axis (17) is slidably connected to the inner wall of the displacement opening (18).

4. The paper shredder with a paper feeding auxiliary structure according to claim 1, characterized in that: One end of the surface of the two rotating shafts (2) is fixedly sleeved with a gear 2 (11); a motor 2 (12) is fixedly installed on the top of the chassis (1) near the motor 1 (5); and the output end of the motor 2 (12) passes through the inner wall of the chassis (1) and is fixedly connected to one of the rotating shafts (2); the two gears 2 (11) are meshed.

5. The paper shredder with a paper feeding auxiliary structure according to claim 1, characterized in that: A switch panel (14) is fixedly mounted on the top of the front side of the chassis (1), and the motor 1 (5), the motor 2 (12) and the two cylinders (15) are electrically connected to an external power supply via the switch panel (14).

6. The paper shredder with a paper feeding auxiliary structure according to claim 1, characterized in that: A door (6) is hinged at the bottom of the front of the cabinet (1), a glass window (7) is provided in the middle of the door (6), and a dial opening (21) is provided on one side of the surface of the door (6).

7. The paper shredder with a paper feeding auxiliary structure according to claim 1, characterized in that: The four corners of the bottom end of the chassis (1) are all fixedly connected with rubber feet (22).

8. The paper shredder with a paper feeding auxiliary structure according to claim 3, characterized in that: The top and bottom of the lever (20) are both fixedly covered with a silicone sleeve (23).