Protective device for paper crusher
By introducing a conveying mechanism into the paper shredder, the lateral stable conveying of paper is achieved through the meshing transmission of rollers and gears, solving the problem of clothing and long hair getting caught in the shredder and improving safety and shredding efficiency.
Patent Information
- Application Number
- CN202423269035.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2034-12-30
Smart Images

Figure CN223945794U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to paper shredder protection technical field, specifically for a kind of protective device for paper shredder. BACKGROUND
[0002] Paper shredder is by a group of rotating blade, paper comb and driving motor composition office appliance, shredder is by a group of rotating blade and driving motor composition office appliance, shredder can quickly, accurately complete paper shredding task, compared with traditional manual paper tearing mode, significantly improve work efficiency, in addition, paper piece after shredding can be recycled, reduce the demand for raw timber and other resources, reduce energy consumption and environmental pollution in papermaking process, promote the recycling of resources, the existing paper shredder is mostly composed of electric motor, paper cutter and gear, two paper cutters are driven by gear, electric motor transmits energy to paper cutter by gear, paper cutter rotates, and paper is cut into pieces by high-speed rotation, to realize the crushing of paper, the paper inlet of traditional paper shredder is upward, vertical feeding, paper is inserted into the paper inlet and will be cut by rotating paper cutter, in use, tie and long hair are easy to be directly inserted into the paper shredding opening, and then be rolled into the shredder interior by high-speed rotating paper cutter, there is a security risk, therefore, we propose a kind of protective device for paper shredder. CONTENT OF UTILITY MODEL
[0003] The utility model solves the technical problems of overcoming the defects of the prior art, and provides a protective device for a paper shredder, which is provided with a conveying mechanism, can stably convey paper into the interior of the shredder through the conveying mechanism, enables the shredder to realize horizontal feeding, and effectively avoids clothes and long hair from being rolled into the interior of the shredder, thereby effectively solving the problems in the background art.
[0004] To achieve the above object, the utility model provides the following technical scheme: a protective device for a paper shredder, comprising a crushing shell and a conveying mechanism.
[0005] The crushing shell is provided with a mounting shell at the upper end, and a feeding slot is formed in the right side of the interior of the mounting shell.
[0006] The conveying mechanism comprises roller one, roller two and gear one, the roller one is rotationally connected to the middle of the lower end of the interior of the mounting shell, the two roller ones are drivingly connected through a conveying belt one, the roller two is rotationally connected to the upper end of the interior of the mounting shell, the three roller twos are drivingly connected through a conveying belt two, and the front ends of the leftmost roller one and the roller two are provided with gear one, and the two gears are meshingly connected, to provide a basis for the horizontal stable conveying of paper, the conveying mechanism is provided, can stably convey paper into the interior of the shredder through the conveying mechanism, enables the shredder to realize horizontal feeding, and effectively avoids clothes and long hair from being rolled into the interior of the shredder.
[0007] Further, the conveying mechanism further comprises limiting rings, the limiting rings are respectively arranged on the front and back sides of the outer surface of the leftmost roller one, the outer surfaces of the limiting rings are in close contact with the outer edges of the conveying belt two, and the limiting rings provide limiting effects for the conveying belt two.
[0008] Further, the conveying mechanism further comprises a motor one, the motor one is arranged on the right side of the rear end of the mounting shell, the input end of the motor one is electrically connected with the output end of the single-chip microcomputer, and the front end of the output shaft of the motor one is fixedly connected with the rear end of the rightmost roller one, so that stable conveying of the paper is driven.
[0009] Further, the paper shredder further comprises paper shredding rollers and gears two, the paper shredding rollers are rotationally connected to the middle of the upper end of the crushing shell, the outer surfaces of the paper shredding rollers are provided with uniformly distributed paper shredding knives, and the gears two are arranged at the front ends of the paper shredding rollers and are in meshing connection, so that the paper can be quickly shredded.
[0010] Further, the paper shredder further comprises a motor two, the motor two is arranged on the upper end of the right side of the rear end of the crushing shell, the input end of the motor two is electrically connected with the output end of the single-chip microcomputer, and the front end of the output shaft of the motor two is fixedly connected with the rear end of the right paper shredding roller, so that stable driving is provided for paper shredding.
[0011] Further, the paper shredder further comprises a paper shredding drawer, the paper shredding drawer is inserted into the lower end of the crushing shell, and an observation window is formed in the middle of the right end of the paper shredding drawer, so that a basis is provided for collection of the shredded paper.
[0012] Further, the paper shredder further comprises a single-chip microcomputer, the single-chip microcomputer is arranged in the middle of the upper end of the mounting shell, and the input end of the single-chip microcomputer is electrically connected with an external power supply, so that a control effect is provided for paper shredding.
[0013] Compared with the prior art, the protective device for the paper shredder has the following advantages:
[0014] The rotation of the two rollers one is realized through meshing of the two gears one, the conveying belt one and the conveying belt two are driven to rotate, the paper is stably conveyed into the paper shredder, and the track formed between the conveying belt one and the conveying belt two enables the paper shredder to realize horizontal feeding, so that the clothes and long hair are prevented from being inserted into the paper inlet under the action of gravity, and the situation that the clothes and long hair and other sundries are rolled into the paper shredder is effectively avoided. BRIEF DESCRIPTION OF DRAWINGS
[0015] Fig. 1 It is a structural schematic view of the utility model;
[0016] Fig. 2 It is a conveying mechanism cross-sectional structural schematic view of the utility model;
[0017] Fig. 3The utility model discloses a conveying mechanism structure schematic view.
[0018] In the figure: 1 broken shell, 2 install shell, 3 feed slot, 4 conveying mechanism, 41 roller one, 42 roller two, 43 gear one, 44 limit ring, 45 motor one, 5 paper shredding roller, 6 gear two, 7 motor two, 8 paper shredding drawer, 9 single-chip microcomputer. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.
[0020] Please refer to Figs. 1-3 The utility model provides a kind of technical scheme for paper shredder's protective device, including broken shell 1 and conveying mechanism 4;
[0021] Broken shell 1: its upper end is equipped with install shell 2, the upper end of broken shell 1 is equipped with paper feeding port, the right side in the inside of install shell 2 is equipped with feed slot 3, further including paper shredding roller 5 and gear two 6, paper shredding roller 5 are all rotationally connected in the inside upper end of broken shell 1 middle, the outer surface of paper shredding roller 5 is equipped with evenly distributed paper shredding knife, the paper shredding knife of left and right sides is staggered distribution in front and back, gear two 6 are all set in the front end of paper shredding roller 5, two gear two 6 meshing connection, can quickly break paper, further including motor two 7, motor two 7 is set in the right side upper end of the rear end of broken shell 1, the input end of motor two 7 is electrically connected the output end of single-chip microcomputer 9, the output shaft front end of motor two 7 and the rear end of right paper shredding roller 5 are fixedly connected, provide stable drive for the breakage of paper, further including paper shredding drawer 8, paper shredding drawer 8 is inserted in the inside lower end of broken shell 1, the right end middle of paper shredding drawer 8 is equipped with observation window, the front end of paper shredding drawer 8 is equipped with handle, provide the basis for the collection of paper shredding, further including single-chip microcomputer 9, single-chip microcomputer 9 is set in the upper end middle of install shell 2, the input end of single-chip microcomputer 9 is electrically connected external power supply, provide control effect for the breakage of paper;
[0022] The conveying mechanism 4 comprises roller one 41, roller two 42 and gear one 43, the roller one 41 is rotationally connected to the middle of the lower end of the inside of the mounting shell 2, the two roller ones 41 are transmissionally connected through the conveying belt one, the roller two 42 is rotationally connected to the upper end of the inside of the mounting shell 2, the three roller twos 42 are transmissionally connected through the conveying belt two, the front end of the leftmost roller one 41 and the front end of the roller two 42 are provided with the gear one 43, the two gears one 43 are meshingly connected, the basis for the transverse stable conveying of the paper is provided, the conveying mechanism 4 further comprises limiting ring 44, the limiting ring 44 is arranged on the front and back of the outer surface of the leftmost roller one 41 respectively, the outer surface of the limiting ring 44 is in close contact with the outer edge of the conveying belt two, the limiting effect of the conveying belt two is provided, the conveying mechanism 4 further comprises motor one 45, the motor one 45 is arranged on the right side of the rear end of the mounting shell 2, the input end of the motor one 45 is electrically connected with the output end of the single-chip microcomputer 9, the output shaft front end of the motor one 45 is fixedly connected with the rear end of the rightmost roller one 41, the stable conveying of the paper is provided, the paper is conveyed into the inside of the pulverizer through the conveying mechanism 4, the transverse feeding of the pulverizer is realized, and the clothes and long hair are effectively avoided from being rolled into the inside of the pulverizer.
[0023] The working principle of the protective device for the paper shredder is as follows: when the paper crushing work is carried out, the paper to be crushed is stacked above the feeding groove 3, and then is pushed to the left in sequence from top to bottom, the single-chip microcomputer 9 controls the operation of the motor one 45, the output shaft of the motor one 45 drives the rightmost roller one 41 to rotate, with the rotation of the conveying belt one, the two roller ones 41 rotate synchronously, the right gear one 43 also rotates synchronously, through the meshing effect, the left gear one 43 also rotates synchronously, drives the leftmost roller two 42 to rotate, through the transmission of the conveying belt two, the three roller twos 42 rotate synchronously, the limiting ring 44 provides the limiting for the conveying belt two, ensures that there is a gap between the conveying belt one and the conveying belt two, at this time, the rotation directions of the roller one 41 and the roller two 42 are opposite, the paper is horizontally clamped by the conveying belt one and the conveying belt two and enters the inside of the crushing shell 1, is easily moved to the paper shredding roller 5 along the track formed by the conveying belt one and the conveying belt two through the paper inlet, at the same time, the single-chip microcomputer 9 controls the operation of the motor two 7, the motor two 7 drives the right paper shredding roller 5 to rotate, the right gear two 6 rotates, through the meshing effect, the left gear two 6 is also driven to rotate, drives the left paper shredding roller 5 to rotate, the paper shredding knives on the two sides are opposite, the paper is cut into pieces, the paper pieces are formed, the paper pieces fall into the paper drawer 8 and are collected by the paper drawer 8, the paper crushing work is realized.
[0024] It is worth noting that the single-chip microcomputer 9 disclosed in the above embodiment is S7-200 single-chip microcomputer, the motor one 45 is SR1G6Z6M motor, the motor two 7 is US2-26EC-15 motor, and the single-chip microcomputer 9 controls the operation of the motor one 45 and the motor two 7 by using the method commonly used in the prior art.
[0025] The above merely describes the embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, which are made by using the content of the present application specification and drawings, are also included in the patent protection scope of the present application.
Claims
1. A guard for a paper shredder, characterized by: It comprises a crushing shell (1) and a conveying mechanism (4); The crushing shell (1) is provided with a mounting shell (2) at its upper end, and a feeding slot (3) is formed in the right side of the interior of the mounting shell (2); The conveying mechanism (4) comprises roller one (41), roller two (42) and gear one (43), the roller one (41) is rotatably connected to the middle of the lower end of the interior of the mounting shell (2), the two roller one (41) are drivingly connected through the conveying belt one, the roller two (42) is rotatably connected to the upper end of the interior of the mounting shell (2), the three roller two (42) are drivingly connected through the conveying belt two, the front end of the leftmost roller one (41) and the roller two (42) is provided with gear one (43), and the two gear one (43) are meshedly connected.
2. A guard for a paper shredder according to claim 1, wherein: It also comprises a single-chip microcomputer (9), which is arranged in the middle of the upper end of the mounting shell (2), and the input end of the single-chip microcomputer (9) is electrically connected with the external power supply.
3. A guard for a paper shredder as defined in claim 1, wherein: The conveying mechanism (4) further comprises a limiting ring (44), which is arranged on the front and back of the outer surface of the leftmost roller one (41), and the outer surface of the limiting ring (44) is in close contact with the outer edge of the conveying belt two.
4. A guard for a paper shredder according to claim 2, wherein: The conveying mechanism (4) further comprises a motor one (45), which is arranged on the right side of the rear end of the mounting shell (2), the input end of the motor one (45) is electrically connected with the output end of the single-chip microcomputer (9), and the output shaft front end of the motor one (45) is fixedly connected with the rear end of the rightmost roller one (41).
5. A guard for a paper shredder according to claim 2, wherein: It also comprises a paper shredding roller (5) and a gear two (6), the paper shredding roller (5) is rotatably connected to the middle of the upper end of the interior of the crushing shell (1), the outer surface of the paper shredding roller (5) is provided with uniformly distributed paper shredding knives, and the gear two (6) is arranged on the front end of the paper shredding roller (5), and the two gear two (6) are meshedly connected.
6. A guard for a paper shredder according to claim 5, wherein: It also comprises a motor two (7), which is arranged on the right side of the rear end of the crushing shell (1), the input end of the motor two (7) is electrically connected with the output end of the single-chip microcomputer (9), and the output shaft front end of the motor two (7) is fixedly connected with the rear end of the right paper shredding roller (5).
7. A safety device for a paper shredder as defined in claim 1, wherein: It also comprises a paper shredding drawer (8), which is inserted into the lower end of the interior of the crushing shell (1), and a viewing window is formed in the middle of the right end of the paper shredding drawer (8).