Paper shredder with multiple paper shredding mechanisms

By designing multiple shredding mechanisms and adjustment screws in the shredder, the problem of fixing the pitch between the shredders is solved, and multiple shredding of paper and different specifications of debris production are realized, which improves the practicality of the shredder.

CN222624790UActive Publication Date: 2025-03-18BEILIU BANGZE CHUANGKE ELECTRICAL APPLIANCES CO LTD
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Patent Information

Application Number
CN202421091177.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-20
Publication Date
2025-03-18
Estimated Expiration
2034-05-20

AI Technical Summary

Technical Problem

When existing paper shredders shredders are shredding paper, the pitch between the crushing rollers is fixed and cannot be adjusted, resulting in the inability to crush the paper into debris of different specifications.

Method used

A paper shredder with multiple shredding mechanisms is designed, including a preliminary shredding structure and a secondary shredding structure. By adjusting the screw, the pitch of the crushing rollers in the secondary shredding structure is adjusted to achieve crushing of different specifications.

Benefits of technology

Multiple crushing of paper is achieved, making crushing more thorough, and the pitch of crushing rollers can be adjusted as needed to produce debris of different specifications, improving the practicality of the paper shredder.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of waste paper shredding, and discloses a paper shredder with multiple paper shredding mechanisms, which comprises a shredder body, a secondary paper shredding structure is arranged in the shredder body, adjusting screw rods for adjusting the position of the secondary paper shredding structure are arranged on two sides of the shredder body in a threaded manner, a shredder cover is arranged at the top end of the shredder body, and the shredder cover is arranged on the shredder body. A paper guide cover is arranged in the middle of the machine cover, a smashing box is arranged at the top end of the paper guide cover, a primary paper shredding structure is arranged in the smashing box, a box cover is arranged at the top end of the smashing box, and a collecting box corresponding to the secondary paper shredding structure is arranged at the bottom of the machine body in a sliding mode. According to the paper shredder, paper can be shredded multiple times through the primary paper shredding structure and the secondary paper shredding structure, the paper can be shredded more thoroughly, the distance between the two first shredding rollers in the secondary paper shredding structure can be synchronously adjusted through the adjusting screw, and therefore the paper is shredded into scraps of different specifications, and the paper shredder is convenient to use. The practicability is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of waste paper shredding, in particular to a paper shredder with multiple paper shredding mechanisms. Background Art

[0002] Waste paper processing is the process of reprocessing recycled waste paper to obtain qualified fibers for the production of paper products; the recycling and utilization of waste paper is beneficial to protecting the environment, protecting forests, and saving resources; waste paper can be reused many times;

[0003] After searching, an office shredder that is convenient for recycling is disclosed in application number CN201720692930.7, which includes a bracket and a body. The body is arranged on the bracket, and the body includes a compression chamber located on the lower side and a crushing chamber located on the upper side; a second driving shaft, a first driving shaft, a first driven shaft, and a second driven shaft are arranged in the crushing chamber, and a first crushing roller is installed on the first driving shaft and the first driven shaft, and a second crushing roller is installed on the second driving shaft and the second driven shaft; a cylinder is arranged on the right side wall of the compression chamber, and the cylinder piston rod is connected to a push head through a spring column. The utility model shreds paper by arranging two pairs of crushing rollers, and multiple sheets of paper can be put in at a time during shredding, with high shredding efficiency and good shredding effect; the shredded paper enters the compression chamber, and the volume of the shredded paper is reduced by compression, thereby saving space, and the shredded paper can be processed simultaneously after multiple times;

[0004] However, the above method still has the following defects in actual use: it can perform multiple shredding of paper by setting the first shredding roller and the second shredding roller, but the spacing between adjacent shredding rollers is fixed and difficult to adjust, resulting in the inability to shred paper into scraps of different specifications. Utility Model Content

[0005] The utility model aims to provide a paper shredder with multiple paper shredding mechanisms, which has the effect of facilitating the adjustment of the size of shredded paper.

[0006] The above technical objectives of the utility model are achieved through the following technical solutions: a shredder with multiple paper shredding mechanisms, comprising a body, a secondary paper shredding structure is arranged inside the body, and adjusting screws for adjusting the position of the secondary paper shredding structure are arranged on threads on both sides of the body, a machine cover is arranged on the top of the body, a paper guide cover is arranged in the middle of the machine cover, a crushing box is arranged on the top of the paper guide cover, a preliminary paper shredding structure is arranged inside the crushing box, a box cover is arranged on the top of the crushing box, a paper feed slot is arranged in the middle of the crushing box, and a collection box corresponding to the secondary paper shredding structure is slidably arranged on the bottom of the body.

[0007] The utility model is further configured as follows: the secondary paper shredding structure includes a mounting frame, two mounting frames are provided, the mounting frames are arranged inside the machine body, a rotating shaft is rotatably provided at the bottom of the mounting frame, a crushing roller is provided at the bottom end of the rotating shaft, and a crushing blade is provided on the surface of the crushing roller.

[0008] The utility model is further configured as follows: a motor frame 1 is provided on the inner wall of the mounting frame, a driving motor 1 is provided on the top of the motor frame 1, a transmission shaft of the driving motor 1 passes through the motor frame 1 and is connected to the top of a crushing roller 1, and the two driving motors 1 rotate in opposite directions.

[0009] The utility model is further configured as follows: the side of the mounting frame is rotatably connected to one end of the corresponding adjusting screw, the other end of the adjusting screw is provided with a rotating disk, and one side of the rotating disk is rotatably provided with a rotating rod;

[0010] The utility model is further configured as follows: a guide rod is provided on the side of the mounting frame, the guide rod is slidably connected to the side of the machine body, and a limit plate is provided at the end of the guide rod.

[0011] The utility model is further configured as follows: the preliminary paper shredding structure includes a second rotating shaft, two rotating shafts are provided, the second rotating shaft is rotatably connected to the side wall of the shredding box, the surface of the second rotating shaft is provided with a second shredding roller, the surface of the second shredding roller is provided with shredding teeth, and the shredding teeth on the surfaces of the two shredding rollers are staggered.

[0012] The utility model is further configured as follows: a transmission gear is provided at one end of the second rotating shaft, the two transmission gears are meshed and connected, a motor frame 2 is provided at one side of the crushing box, a drive motor 2 is provided at one side of the second motor frame, a transmission shaft of the second drive motor passes through the second motor frame and is connected to the other end of one of the second rotating shafts;

[0013] The utility model is further configured as follows: a notch corresponding to the collection box is provided on one side of the machine body, a mounting seat is provided on the side of the machine body, and a limit seat is provided on one side of the mounting seat through the rotation of the damping shaft.

[0014] In summary, the utility model has the following beneficial effects: the utility model can perform multiple shredding of paper by means of the primary shredding structure and the secondary shredding structure, so that the paper shredding is more thorough, and the distance between the two shredding rollers in the secondary shredding structure can be synchronously adjusted by means of the adjusting screw, so that the paper can be shredded into scraps of different sizes, thereby improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is one of the three-dimensional structural schematic diagrams of the utility model;

[0016] Figure 2 This is the second schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 3 It is a schematic diagram of the explosion structure of the utility model;

[0018] Figure 4 It is one of the partial structural schematic diagrams of the utility model;

[0019] Figure 5 This is the second schematic diagram of the partial structure of the utility model;

[0020] Figure 6 This is a schematic diagram of the structure of the collection box of the utility model;

[0021] Figure 7 For this utility model Figure 1 A is an enlarged structural diagram of FIG.

[0022] In the figure: 1. machine body; 101. machine cover; 102. paper guide cover; 103. mounting frame; 104. rotating shaft 1; 105. crushing roller 1; 106. crushing blade; 107. motor frame 1; 108. driving motor 1; 109. guide rod; 1010. adjusting screw; 1011. turntable; 2. crushing box; 201. box cover; 202. paper feed slot; 203. rotating shaft 2; 204. crushing roller 2; 205. crushing teeth; 206. transmission gear; 207. motor frame 2; 208. driving motor 2; 3. collecting box; 301. mounting seat; 302. damping shaft; 303. limit seat. DETAILED DESCRIPTION

[0023] The present invention will be further described below with reference to the accompanying drawings in the embodiments of the present invention.

[0024] See also Figures 1 to 7In the embodiment of the utility model, a shredder with multiple shredding mechanisms includes a body 1, a secondary shredding structure is arranged inside the body 1 to shred the paper twice, and screws on both sides of the body 1 are provided with adjusting screws 1010 for adjusting the position of the secondary shredding structure, a cover 101 is arranged at the top of the body 1, and the cover 101 is connected to the top of the body 1 by screws, a paper guide cover 102 is arranged in the middle of the cover 101, and the bottom of the paper guide cover 102 is placed inside the body 1 and between the secondary shredding structure and the paper. Corresponding to the structure, a crushing box 2 is provided at the top of the paper guide cover 102, and a preliminary paper shredding structure is provided inside the crushing box 2 to perform preliminary paper shredding on the paper. A box cover 201 is provided at the top of the crushing box 2, and the box cover 201 is connected to the top of the crushing box 2 by screws. A paper feed slot 202 is provided in the middle of the crushing box 2, and the bottom of the paper feed slot 202 is placed inside the crushing box 2 and corresponds to the preliminary paper shredding structure. A collection box 3 corresponding to the secondary paper shredding structure is slidably provided at the bottom of the machine body 1 to collect the shredded paper.

[0025] In this embodiment, preferably, a notch corresponding to the collection box 3 is provided on one side of the body 1, a mounting seat 301 is provided on the side of the body 1, and a limit seat 303 is provided on one side of the mounting seat 301 through a damping shaft 302 for rotation, and the position of the collection box 3 can be limited by rotating the limit seat 303;

[0026] In this embodiment, preferably, the secondary shredding structure includes a mounting frame 103, two mounting frames 103 are provided, the mounting frames 103 are arranged inside the machine body 1, a rotating shaft 104 is rotatably provided at the bottom of the mounting frame 103, a crushing roller 105 is provided at the bottom end of the rotating shaft 104, a crushing blade 106 is provided on the surface of the crushing roller 105, and the paper is crushed again by using the staggered crushing blades 106 on the surface of the crushing roller 105, and the crushing blades 106 on the two crushing rollers 105 are staggered, and the staggered crushing blades 106 can make the paper crushed more thoroughly;

[0027] In this embodiment, preferably, a motor frame 107 is provided on the inner wall of the mounting frame 103, and a driving motor 108 is provided at the top of the motor frame 107. The transmission shaft of the driving motor 108 passes through the motor frame 107 and is connected to the top of the crushing roller 105. The two driving motors 108 rotate in opposite directions, and the driving motor 108 can drive the corresponding crushing roller 105 to rotate.

[0028] In this embodiment, preferably, the side of the mounting frame 103 is rotatably connected to one end of the corresponding adjusting screw 1010, and the other end of the adjusting screw 1010 is provided with a rotating disk 1011, and a rotating rod is rotatably provided on one side of the rotating disk 1011, and the adjusting screw 1010 can be driven to rotate by rotating the rotating rod on one side of the rotating disk 1011;

[0029] In this embodiment, preferably, a guide rod 109 is provided on the side of the mounting frame 103, and the guide rod 109 is slidably connected to the side of the body 1, so as to guide and limit the movement of the mounting frame 103, and a limit plate is provided at the end of the guide rod 109, and the position of the mounting frame 103 is limited by the limit plate;

[0030] In this embodiment, preferably, the preliminary paper shredding structure includes a second rotating shaft 203, two second rotating shafts 203 are provided, the second rotating shaft 203 is rotatably connected to the side wall of the shredding box 2, a second shredding roller 204 is provided on the surface of the second rotating shaft 203, and a shredding tooth 205 is provided on the surface of the second shredding roller 204. The shredding teeth 205 on the surface of the second shredding roller 204 perform preliminary shredding of the paper, and the shredding teeth 205 on the surfaces of the two shredding rollers 204 are staggered, and the staggered shredding teeth 205 can achieve a better shredding effect on the paper;

[0031] In this embodiment, preferably, a transmission gear 206 is provided at one end of the second rotating shaft 203, and the two transmission gears 206 are meshed and connected. A motor frame 207 is provided on one side of the crushing box 2, and a drive motor 208 is provided on one side of the motor frame 207. The transmission shaft of the drive motor 208 passes through the motor frame 207 and is connected to the other end of one of the second rotating shafts 203. The drive motor 208 drives the corresponding second rotating shaft 203 to rotate, and drives the other second rotating shaft 203 to rotate in the opposite direction under the meshing cooperation of the two transmission gears 206.

[0032] When in use, first start the driving motor 208, the driving motor 208 drives the corresponding rotating shaft 203 to rotate, and drives the other rotating shaft 203 to rotate in the opposite direction under the meshing cooperation of the two transmission gears 206, then add the paper into the inside of the crushing box 2 through the paper feed slot 202, use the crushing teeth 205 staggered on the surface of the two crushing rollers 204 to preliminarily crush the paper, and the preliminarily crushed paper enters the inside of the machine body 1 under the action of the paper guide cover 102, and at the same time start the two driving motors 108, the driving motor 108 drives the two crushing rollers 105 to rotate in the opposite direction, and uses the crushing blades 106 staggered on the surface of the crushing rollers 105 to crush the paper again, and the crushed waste scraps fall into the inside of the collection box 3;

[0033] It should be noted that when the spacing between the two shredding rollers 105 needs to be adjusted, the rotating rod on the rotating disk 1011 drives the adjusting screw 1010 to rotate, and the adjusting screw 1010 is threadedly connected to the side wall of the body 1, and the corresponding mounting frame 103 is driven to move under the sliding cooperation between the guide rod 109 and the body 1, thereby adjusting the spacing between the two shredding rollers 105 and shredding the paper into waste scraps of different specifications.

[0034] The above description is only a preferred embodiment of the present utility model, so all equivalent changes or modifications made according to the structure, features and principles described in the scope of the present utility model patent application are included in the scope of the present utility model patent application.

Claims

1. A shredder with multiple shredding mechanisms, comprising a body (1), characterized in that: A secondary paper shredding structure is provided inside the machine body (1), and adjusting screws (1010) for adjusting the position of the secondary paper shredding structure are provided in threads on both sides of the machine body (1). A machine cover (101) is provided at the top of the machine body (1), a paper guide cover (102) is provided in the middle of the machine cover (101), a shredding box (2) is provided at the top of the paper guide cover (102), a primary paper shredding structure is provided inside the shredding box (2), a box cover (201) is provided at the top of the shredding box (2), a paper feed slot (202) is provided in the middle of the shredding box (2), and a collecting box (3) corresponding to the secondary paper shredding structure is slidably provided at the bottom of the machine body (1).

2. The paper shredder with multiple paper shredding mechanisms according to claim 1, characterized in that: The secondary paper shredding structure comprises a mounting frame (103), wherein two mounting frames (103) are provided, wherein the mounting frames (103) are arranged inside the machine body (1), wherein a rotating shaft (104) is rotatably provided at the bottom of the mounting frame (103), a crushing roller (105) is provided at the bottom end of the rotating shaft (104), and a crushing blade (106) is provided on the surface of the crushing roller (105).

3. The paper shredder with multiple paper shredding mechanisms according to claim 2, characterized in that: The inner wall of the mounting frame (103) is provided with a motor frame (107), the top of the motor frame (107) is provided with a driving motor (108), the transmission shaft of the driving motor (108) passes through the motor frame (107) and is connected to the top of the crushing roller (105), and the two driving motors (108) rotate in opposite directions.

4. The paper shredder with multiple paper shredding mechanisms according to claim 2, characterized in that: The side surface of the mounting frame (103) is rotatably connected to one end of a corresponding adjusting screw (1010), a rotating disk (1011) is provided at the other end of the adjusting screw (1010), and a rotating rod is rotatably provided on one side of the rotating disk (1011).

5. The paper shredder with multiple paper shredding mechanisms according to claim 2, characterized in that: A guide rod (109) is provided on the side of the mounting frame (103), and the guide rod (109) is slidably connected to the side of the machine body (1), and a limiting plate is provided at the end of the guide rod (109).

6. The paper shredder with multiple paper shredding mechanisms according to claim 1, characterized in that: The preliminary paper shredding structure comprises a second rotating shaft (203), two second rotating shafts (203) are provided, the second rotating shaft (203) is rotatably connected to the side wall of the shredding box (2), a second shredding roller (204) is provided on the surface of the second rotating shaft (203), and shredding teeth (205) are provided on the surface of the second shredding roller (204), and the shredding teeth (205) on the surfaces of the two second shredding rollers (204) are arranged alternately.

7. The paper shredder with multiple paper shredding mechanisms according to claim 6, characterized in that: A transmission gear (206) is provided at one end of the second rotating shaft (203), and the two transmission gears (206) are meshed and connected. A motor frame (207) is provided at one side of the crushing box (2), and a driving motor (208) is provided at one side of the motor frame (207). The transmission shaft of the driving motor (208) passes through the motor frame (207) and is connected to the other end of one of the second rotating shafts (203).

8. The paper shredder with multiple paper shredding mechanisms according to claim 1, characterized in that: A notch corresponding to the collection box (3) is provided on one side of the machine body (1), a mounting seat (301) is provided on the side edge of the machine body (1), and a limit seat (303) is provided on one side of the mounting seat (301) for rotation via a damping shaft (302).

Citation Information

Patent Citations

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