Paper feeding equipment of paper shredder
By designing an automated paper shredder feeding device, which utilizes a motor-driven assembly and rotating feeding teeth to achieve automatic paper feeding, the problem of inconvenience in manual paper feeding is solved, and the ease of use and efficiency of the paper shredder are improved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-22
- Publication Date
- 2026-03-31
AI Technical Summary
Existing paper shredders require manual operation during the paper feeding process, which is inconvenient to use.
A paper feeding device for a paper shredder has been designed, comprising a feeding hood, a feeding chute, a rotating rod, and a paper pusher. The device achieves automated paper feeding through a motor-driven assembly, and uses rotating feeding teeth to push the paper into the shredder for shredding.
It has enabled automated paper feeding in the paper shredder, improving ease of use and efficiency.
Smart Images

Figure CN224057579U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of paper shredders, specifically a paper feeding device for a paper shredder. Background Technology
[0002] A paper shredder is a device used to cut paper and other materials into small pieces, primarily for security and waste disposal. Depending on different needs and usage environments, paper shredders can be categorized into personal, household, office, and industrial types. The working principle of a paper shredder is to use rotating blades to cut paper into strips, segments, granules, or powder of different sizes to achieve the purpose of security or volume reduction.
[0003] During the operation of a paper shredder, waste paper needs to be manually added to the shredder, which is very inconvenient and affects the use of the device. Utility Model Content
[0004] The purpose of this invention is to provide a paper feeding device for a paper shredder to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution:
[0006] A paper shredder feeding device includes a feeding hood and a feeding trough. An installation frame is provided at the outer end of the feeding trough's opening. Several rotating rods are evenly spaced at both ends inside the feeding trough, and several rotating feeding teeth for feeding paper are evenly spaced on the rotating rods. A rotation drive assembly for driving the rotating rods to rotate synchronously is installed on the outer wall of the feeding trough. A feeding port is provided at the top of the opening of the feeding hood on the side away from the feeding trough. A movable frame is slidably connected to the bottom of the feeding hood on the side of the feeding port. A paper pushing block for pushing paper is provided at the top of the movable frame. A slider is provided at the bottom end of the movable frame, and a second fixed frame is provided on the feeding hood at the bottom of the movable frame. A movement drive assembly for driving the slider to move is installed on the second fixed frame.
[0007] Preferably, mounting holes are provided at the four corners of the mounting frame.
[0008] Preferably, a sealing groove is provided on the side wall of the mounting frame, and a rubber sealing strip is installed inside the sealing groove.
[0009] Preferably, the rotation drive assembly includes a pair of pulleys fixedly mounted on a rotating rod located outside the feeding groove. The pulleys are interconnected by a transmission belt. A first fixing frame is fixedly connected to the outer wall of the feeding groove. A first drive motor is mounted on the first fixing frame and connected to the rotating rod.
[0010] Preferably, guide rods are fixedly installed at both ends of the second fixing frame, and the guide rods are slidably connected to the slider.
[0011] Preferably, the moving drive assembly includes a second drive motor fixedly connected to the outer wall of the feed hood, a one-way screw is mounted on the motor shaft of the second drive motor, the end of the one-way screw is connected to the second fixed frame through a bearing seat, and the one-way screw is threadedly connected to the slider.
[0012] Compared with the prior art, the beneficial effects of this utility model are as follows: This utility model places waste paper into the inside of the feeding hood through the feeding port, and drives the slider to move through the moving drive component. The slider drives the paper pusher to move inward through the moving frame. The paper pusher pushes the paper inside the feeding hood into the feeding groove, which can facilitate the paper feeding process of the equipment. This utility model drives the rotating rod to rotate synchronously through the rotation drive component. The rotating rod drives the rotating feeding teeth to add waste paper into the shredder for crushing, which can facilitate the use of the shredder. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of the overall three-dimensional structure of a paper feed device for a paper shredder according to the present invention.
[0014] Figure 2 This is a front view of a paper feed device for a paper shredder according to the present invention.
[0015] Figure 3 This is a front sectional view of a paper feed device for a paper shredder according to the present invention.
[0016] 1. Feed hood; 2. Feeding groove; 3. Mounting frame; 4. Mounting hole; 5. Rubber sealing strip; 6. Rotating rod; 7. Rotating feeding teeth; 8. First fixed frame; 9. First drive motor; 10. Pulley; 11. Transmission belt; 12. Moving frame; 13. Paper pusher block; 14. Slider; 15. Guide rod; 16. Second fixed frame; 17. Second drive motor; 18. One-way screw; 19. Bearing seat; 20. Sealing groove; 21. Feed inlet. Detailed Implementation
[0017] It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments of the present invention can be combined with each other.
[0018] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the various embodiments of this utility model will be described in detail below with reference to the accompanying drawings. However, those skilled in the art will understand that many technical details have been presented in the various embodiments of this utility model to enable the reader to better understand this application. However, the technical solutions claimed in this application can be implemented even without these technical details and with various changes and modifications based on the following embodiments.
[0019] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.
[0020] See Figure 1-3 In this embodiment of the present invention, a paper feeding device for a paper shredder includes a feeding hood 1 and a feeding groove 2. A mounting frame 3 is provided at the outer end of the opening of the feeding groove 2. Several rotating rods 6 are evenly spaced at both the upper and lower ends inside the feeding groove 2. Several rotating feeding teeth 7 for feeding paper are evenly spaced on the rotating rods 6. A rotating drive assembly for driving the rotating rods 6 to rotate synchronously is installed on the outer wall of the feeding groove 2. A feeding port 21 is provided at the top of the opening of the feeding hood 1 on the side away from the feeding groove 2. A movable frame 12 is slidably connected to the bottom of the feeding hood 1 on the side of the feeding port 21. A paper pushing block 13 for pushing paper is provided at the top of the movable frame 12. A slider 14 is provided at the bottom end of the movable frame 12. A second fixed frame 16 is provided on the feeding hood 1 at the bottom of the movable frame 12. A moving drive assembly for driving the slider 14 to move is installed on the second fixed frame 16.
[0021] This invention places waste paper into the feed hood 1 through the feed inlet 21. The slider 14 is driven to move by the moving drive component. The slider 14 drives the paper pusher 13 to move inward through the moving frame 12. The paper pusher 13 pushes the paper inside the feed hood 1 into the feeding groove 2. The rotating drive component drives the rotating rod 6 to rotate synchronously. The rotating rod 6 drives the rotating feeding tooth 7 to add the waste paper into the shredder for crushing, thus facilitating the use of the shredder.
[0022] See Figure 1 In one embodiment of this utility model, mounting holes 4 are provided at the four corners of the mounting frame 3. The mounting holes 4 facilitate the connection between the mounting frame 3 and the opening of the paper shredder.
[0023] See Figure 3 In one embodiment of this utility model, a sealing groove 20 is provided on the side wall of the mounting frame 3, and a rubber sealing strip 5 is installed inside the sealing groove 20. After the mounting frame 3 is connected to the paper shredder, the rubber sealing strip 5 installed inside the sealing groove 20 achieves a sealed connection between the mounting frame 3 and the paper shredder.
[0024] See Figure 2In one embodiment of this utility model, the rotation drive assembly includes a pair of pulleys 10 fixedly installed on a rotating rod 6 located outside the feeding groove 2. The pulleys 10 are interconnected by a transmission belt 11. A first fixed frame 8 is fixedly connected to the outer wall of the feeding groove 2. A first drive motor 9 is installed on the first fixed frame 8. The first drive motor 9 is connected to the rotating rod 6. The first drive motor 9 drives the rotating rod 6 to rotate. The rotating rod 6 drives the pulleys 10 to rotate. The pulleys 10 drive each rotating rod 6 to rotate through the transmission belt 11. The rotating rod 6 drives the rotating feeding teeth 7 to feed waste paper into the feeder, thereby facilitating the paper feeding process of the shredder.
[0025] See Figure 2 In one embodiment of this utility model, guide rods 15 are fixedly installed at the front and rear ends of the second fixing frame 16. The guide rods 15 are slidably connected to the slider 14. During the movement of the slider 14, the guide rods 15 guide the slider 14, thereby ensuring that the slider 14 moves smoothly.
[0026] See Figure 3 In one embodiment of this utility model, the moving drive assembly includes a second drive motor 17 fixedly connected to the outer wall of the feed hood 1. A one-way screw 18 is mounted on the motor shaft of the second drive motor 17. The end of the one-way screw 18 is connected to the second fixed frame 16 through a bearing seat 19. The one-way screw 18 is threadedly connected to the slider 14. The second drive motor 17 drives the one-way screw 18 to move and adjust the position of the threaded slider 14.
[0027] Working principle: This utility model adds waste paper into the feed hood 1 through the feed inlet 21. The second drive motor 17 drives the one-way screw 18 to rotate. The one-way screw 18 drives the threaded slider 14 to move and adjust its position under the guidance of the guide rod 15. The slider 14 drives the paper pusher 13 to move inward through the moving frame 12. The paper pusher 13 pushes the paper inside the feed hood 1 into the feeding groove 2. The first drive motor 9 drives the rotating rod 6 to rotate. The rotating rod 6 drives the pulley 10 to rotate. The pulley 10 drives each rotating rod 6 to rotate through the transmission belt 11. The rotating rod 6 drives the rotating feeding teeth 7 to add waste paper into the shredder for crushing, thus facilitating the use of the shredder.
[0028] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.
Claims
1. A paper shredder paper feed device comprising a feed cover (1) and a feed slot (2), characterized in that, The installation frame (3) is arranged at the outer end of the opening of the end of the poking chute (2). A plurality of rotating rods (6) are arranged at the upper and lower ends of the poking chute (2) at equal intervals, a plurality of rotating poking teeth (7) for poking paper are arranged on the rotating rods (6) at equal intervals, and a rotating driving assembly for driving the rotating rods (6) to rotate synchronously is arranged on the outer wall of the poking chute (2). A feeding port (21) is arranged at the top of the opening of the feeding cover (1) away from the poking chute (2), a moving frame (12) is slidably connected to the bottom of the feeding cover (1) on the side of the feeding port (21), and a paper pushing block (13) for pushing paper is arranged at the top end of the moving frame (12). A sliding block (14) is arranged at the bottom end of the moving frame (12), a second fixing frame (16) is arranged on the bottom of the feeding cover (1) on the side of the moving frame (12), and a moving driving assembly for driving the sliding block (14) to move is arranged on the second fixing frame (16).
2. A paper entry device of a paper shredder according to claim 1, wherein The installation frame (3) is arranged at the outer end of the opening of the end of the poking chute (2).
3. A paper entry device of a paper shredder according to claim 1, wherein The installation frame (3) is arranged at the outer end of the opening of the end of the poking chute (2).
4. The paper feeding apparatus of claim 1, wherein The rotating driving assembly comprises a pair of pulleys (10) fixedly arranged on the rotating rods (6) on the outer side of the poking chute (2), the pulleys (10) are connected to each other through a transmission belt (11), a first fixing frame (8) fixedly connected to the outer wall of the poking chute (2), a first driving motor (9) arranged on the first fixing frame (8), and the first driving motor (9) connected to the rotating rods (6).
5. The paper feeding apparatus of claim 1, wherein The second fixing frame (16) is fixedly arranged with guide rods (15) at the front and rear ends, and the guide rods (15) are slidably connected to the sliding block (14).
6. The paper feeding apparatus of claim 1, wherein The moving driving assembly comprises a second driving motor (17) fixedly connected to the outer wall of the feeding cover (1), a one-way screw rod (18) arranged on the motor shaft of the second driving motor (17), the one-way screw rod (18) connected to the second fixing frame (16) through a bearing seat (19), and the one-way screw rod (18) threadedly connected to the sliding block (14).