Paper crusher with double crushing structures

Abstract

The utility model relates to the technical field of paper crushers, in particular to a paper crusher with a double crushing structure, which comprises a base, the left side of the base is connected with the right side of a rotating mechanism, the outer wall of the rotating mechanism is meshed and connected with the outer wall of a transmission mechanism, and the outer wall of the transmission mechanism is rotatably connected with the inner wall of the base. The outer wall of the middle of the transmission mechanism is in transmission connection with the outer wall of one end of the smashing mechanism, the two sides of the smashing mechanism are connected with the inner wall of the base, the outer wall of the bottom end of the transmission mechanism is in transmission connection with the outer wall of one end of the vibration mechanism, and the outer wall of the vibration mechanism is rotationally connected with the inner wall of the base. According to the improved paper shredder, shredded paper can be secondarily shredded through cooperation of the arranged double shredding rollers and the fixed shredding teeth, the shredded paper can be finer, the shredding effect is better, commercial confidentials can be better protected, vibration can be generated through circulating overturning movement of the waste sliding rail, and paper scrap accumulation is avoided.

Description

Technical Field

[0001] This utility model relates to the field of paper shredder technology, specifically a paper shredder with a dual crushing structure. Background Technology

[0002] A paper shredder is a device used to process waste paper. Its main function is to shred paper into small particles or fibers for reuse or to protect trade secrets. A paper shredder typically consists of a set of rotating blades, a paper comb, and a drive motor. The paper is fed through the interlocking blades and is cut into small pieces or powder.

[0003] In the process of realizing this utility model, the inventors discovered the following problems with the existing technology: 1. The shredded paper produced by the existing paper shredder is large in area and can be reassembled into paper, causing confidential information to be leaked; 2. The shredded paper will flow to the waste paper collection box through the slide rail, but the shredded paper is stuck inside the slide rail, thus affecting the flow of shredded paper to the waste paper collection box. Utility Model Content

[0004] The purpose of this utility model is to provide a paper shredder with a dual-shredding structure to solve the problem mentioned in the background art that the shredded paper after being shredded by the blades has a large area that can be reassembled into paper, causing leakage of confidential information. To achieve the above objective, this utility model provides the following technical solution: a paper shredder with a dual-shredding structure, including a base, the left side of which is connected to the right side of a rotating mechanism, the outer wall of the rotating mechanism being meshed with the outer wall of a transmission mechanism, the outer wall of the transmission mechanism being rotatably connected to the inner wall of the base, and the outer wall of the middle part of the transmission mechanism being drively connected to the outer wall of one end of the shredding mechanism;

[0005] Both sides of the crushing mechanism are connected to the inner wall of the base. The outer wall of the bottom end of the transmission mechanism is connected to the outer wall of one end of the vibration mechanism. The outer wall of the vibration mechanism is rotatably connected to the inner wall of the base.

[0006] More preferably, the base includes a housing, the top of which is movably engaged with the bottom of the cover plate, and a paper feeding groove is provided at the top of the middle part of the cover plate, a paper feeding frame is installed at the bottom of the middle part of the cover plate, the left side of the bottom of the housing is movably engaged with the right side of the waste paper collection box, and shredding through holes are provided on both sides of the middle part of the housing, rotation through holes are provided on both sides of the top of the housing, and connection through holes are provided on the front and back sides of the left side of the housing.

[0007] More preferably, the rotating mechanism includes a motor mounting base, the right side of which is connected to the left side of the top of the housing, and the top of the motor mounting base is movably engaged with the bottom of the drive motor. One end of the drive motor is connected to one end of one of the interleaved crushing rollers via a coupling, and the outer walls of the other ends of the two interleaved crushing rollers are movably engaged with the inner walls of two connecting gear shafts. A bevel gear is provided on the outer wall of the other end of one of the interleaved crushing rollers.

[0008] More preferably, the transmission mechanism includes a connecting rod and a steering rod. The outer walls at both ends and the outer wall in the middle of the connecting rod are respectively provided with bevel gears. The outer wall at the top of the connecting rod is connected to the outer wall at the other end of one of the interlaced crushing rollers via the bevel gears. The outer wall in the middle of the connecting rod is rotatably connected to the inner wall of the connecting fixing block. A housing is installed on the left side of the connecting fixing block. The two ends of the steering rod are respectively provided with bevel gears. The outer wall at one end of the steering rod is connected to the outer wall in the middle of the connecting rod via the bevel gears. The outer wall in the middle of the steering rod is rotatably connected to the inner wall of the steering fixing block. The left side of the steering fixing block is connected to the right side of the housing.

[0009] More preferably, the crushing mechanism includes a mounting rod and a double mounting box. A bevel gear is provided on the outer wall of one end of the mounting rod, and this bevel gear drives the outer wall of the other end of the steering rod. The outer wall of the middle section of the mounting rod is movably engaged with the inner wall of the double crushing roller, and the outer walls at both ends of the mounting rod are rotatably connected to the inner walls of two crushing through holes, respectively. Double through holes are provided on both sides of the double mounting box, and the inner walls of the two double through holes are rotatably connected to the outer wall of the mounting rod near the double crushing roller, respectively. The inner sidewalls of the double mounting box are connected to the front and back sides of two fixed crushing teeth, respectively, and the two sides of the double mounting box are connected to the interior of the housing.

[0010] More preferably, the vibration mechanism includes a fixed rotating rod, with a bevel gear on the outer wall of one end of the fixed rotating rod, and the outer wall of one end of the fixed rotating rod is connected to the outer wall of the bottom end of the connecting rotating rod via the bevel gear. The outer wall of the middle part of the fixed rotating rod is rotatably connected to the inner wall of the vibration through hole, and the outer wall of the other end of the fixed rotating rod is movably engaged with the inner wall of the fixed cam. The outer wall of the fixed cam is movably abutting against the bottom of the right side of the waste slide rail, and the left side of the waste slide rail is provided with a flipping through hole on the front. The inner wall of the flipping through hole is movably engaged with the outer wall of the middle part of the flipping connecting rod, and the outer walls of both ends of the flipping connecting rod are rotatably connected to the inner walls of the two connecting through holes respectively.

[0011] More preferably, the teeth on the outer wall of the double crushing roller are installed alternately with the fixed crushing teeth, the crushing teeth on the outer walls of the two alternate crushing rollers are installed alternately, and one side of the double through hole is interconnected with one side of the crushing through hole.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0013] In this invention, firstly, the combination of the set double crushing rollers and the fixed crushing teeth can perform secondary crushing of the shredded paper, making the paper finer and the crushing effect better, which can better protect trade secrets.

[0014] In this invention, a fixed cam drives the waste slide rail to rotate around the flipping linkage in a cyclical flipping motion. The cyclical flipping motion of the waste slide rail can generate vibration, thus preventing the accumulation of paper scraps. Attached Figure Description

[0015] Figure 1 This is a cross-sectional view of the paper shredder structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the paper shredder of this utility model;

[0017] Figure 3 This is a sectional view of the structural base of the paper shredder of this utility model;

[0018] Figure 4 This is a cross-sectional view of the rotating mechanism, transmission mechanism, and shredding mechanism of the paper shredder of this utility model;

[0019] Figure 5 This is a cross-sectional view of the rotating mechanism of the paper shredder of this utility model;

[0020] Figure 6 This is a cross-sectional view of the vibration mechanism of the paper shredder of this utility model;

[0021] Figure 7 The structure of the paper shredder of this utility model Figure 4 Enlarged view of the structure at point A in the middle.

[0022] In the diagram: 1. Base; 101. Shell; 102. Cover plate; 103. Paper feed trough; 104. Paper feed frame; 105. Waste paper collection box; 2. Rotating mechanism; 201. Motor mounting base; 202. Drive motor; 203. Interlaced crushing rollers; 204. Connecting gear shaft; 3. Transmission mechanism; 301. Connecting rotating rod; 302. Connecting fixing block; 303. Steering rod; 304. Steering fixing block; 4. Crushing mechanism; 401. Mounting rotating rod; 402. Double crushing rollers; 403. Double mounting box; 404. Fixed crushing teeth; 5. Vibration mechanism; 501. Fixed rotating rod; 502. Fixed cam; 503. Waste material slide rail; 504. Tilting connecting rod. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figures 1 to 7 This utility model provides a technical solution: a paper shredder with a dual crushing structure, including a base 1, the left side of the base 1 is connected to the right side of the rotating mechanism 2, the outer wall of the rotating mechanism 2 is meshed with the outer wall of the transmission mechanism 3, the outer wall of the transmission mechanism 3 is rotatably connected to the inner wall of the base 1, and the outer wall of the middle part of the transmission mechanism 3 is drivenly connected to the outer wall of one end of the shredding mechanism 4.

[0025] Both sides of the crushing mechanism 4 are connected to the inner wall of the base 1. The outer wall of the bottom end of the transmission mechanism 3 is connected to the outer wall of one end of the vibration mechanism 5. The outer wall of the vibration mechanism 5 is rotatably connected to the inner wall of the base 1.

[0026] In this embodiment, as Figure 1 , Figure 2 and Figure 3 As shown, the base 1 includes a housing 101, the top of the housing 101 is movably engaged with the bottom of the cover plate 102, and a paper feeding groove 103 is provided at the top of the middle part of the cover plate 102, and a paper feeding frame 104 is installed at the bottom of the middle part of the cover plate 102. The left side of the bottom of the housing 101 is movably engaged with the right side of the waste paper collection box 105, and shredding through holes are provided on both sides of the middle part of the housing 101. Rotation through holes are provided on both sides of the top of the housing 101, and connection through holes are provided on the front and back sides of the left side of the housing 101.

[0027] In this embodiment, as Figure 1 , Figure 4 , Figure 5 and Figure 7As shown, the rotating mechanism 2 includes a motor mounting base 201. The right side of the motor mounting base 201 is connected to the left side of the top of the housing 101, and the top of the motor mounting base 201 is movably engaged with the bottom of the drive motor 202. One end of the drive motor 202 is connected to one end of one of the interlaced crushing rollers 203 via a coupling, and the outer wall of the other end of the two interlaced crushing rollers 203 is movably engaged with the inner wall of two connecting gear shafts 204. A bevel gear is provided on the outer wall of the other end of one of the interlaced crushing rollers 203. When the drive motor 202 is started, the rotating drive motor 202 drives one of the interlaced crushing rollers 203 to rotate via the coupling. The rotation of one interlaced crushing roller 203 drives one of the connecting gear shafts 204 to rotate. The rotating connecting gear shaft 204 drives the other connecting gear shaft 204 to rotate through meshing. The rotation of the other connecting gear shaft 204 drives the other interlaced crushing roller 203 to rotate. The rotation of the two interlaced crushing rollers 203 can crush the paper entering from the paper feed trough 103.

[0028] In this embodiment, as Figure 1 , Figure 2 , Figure 4 and Figure 7 As shown, the transmission mechanism 3 includes a connecting rod 301 and a steering rod 303. The outer walls at both ends and the middle of the connecting rod 301 are respectively provided with bevel gears. The outer wall at the top of the connecting rod 301 is connected to the outer wall at the other end of one of the interleaved crushing rollers 203 via the bevel gears. The outer wall in the middle of the connecting rod 301 is rotatably connected to the inner wall of the connecting fixing block 302. A housing 101 is installed on the left side of the connecting fixing block 302. The two ends of the steering rod 303 are respectively provided with bevel gears. The outer wall at one end of the steering rod 303 is connected to the outer wall in the middle of the connecting rod 301 via the bevel gears. The outer wall in the middle of the steering rod 303 is rotatably connected to the inner wall of the steering fixing block 304. The left side of the steering fixing block 304 is connected to the right side of the housing 101. The rotation of the interleaved crushing roller 203 drives the connecting rod 301 to rotate via the bevel gears. The rotation of the connecting rod 301 drives the steering rod 303 to rotate via the bevel gears.

[0029] In this embodiment, as Figure 1 , Figure 4 and Figure 7As shown, the crushing mechanism 4 includes a mounting rod 401 and a double mounting box 403. A bevel gear is provided on the outer wall of one end of the mounting rod 401, and this bevel gear drives the outer wall of the other end of the steering rod 303. The outer wall of the middle section of the mounting rod 401 is movably engaged with the inner wall of the double crushing roller 402, and the outer walls at both ends of the mounting rod 401 are rotatably connected to the inner walls of two crushing through holes. The double mounting box 403 has double through holes on both sides, and the two double through holes... The inner walls are rotatably connected to the outer walls of the mounting rod 401 near the double crushing roller 402. The inner side walls of the double mounting box 403 are connected to the front and back of the two fixed crushing teeth 404 respectively. The two sides of the double mounting box 403 are connected to the inside of the housing 101 respectively. The rotation of the steering rod 303 drives the mounting rod 401 to rotate through the bevel gear. The rotating mounting rod 401 can perform secondary crushing of the paper scraps after the first crushing by rotating and interleaving with the fixed crushing teeth 404, which can make the crushing effect better.

[0030] In this embodiment, as Figure 1 and Figure 6 As shown, the vibration mechanism 5 includes a fixed rotating rod 501. A bevel gear is provided on the outer wall of one end of the fixed rotating rod 501, and the outer wall of one end of the fixed rotating rod 501 is connected to the outer wall of the bottom end of the connecting rotating rod 301 via the bevel gear. The outer wall of the middle part of the fixed rotating rod 501 is rotatably connected to the inner wall of the vibration through hole, and the outer wall of the other end of the fixed rotating rod 501 is movably engaged with the inner wall of the fixed cam 502. The outer wall of the fixed cam 502 is movably abutting against the bottom of the right side of the waste slide rail 503, and the left side of the waste slide rail 503 is provided with a flip-up mechanism on the front. The inner wall of the through hole and the flipping through hole are movably engaged with the outer wall of the middle part of the flipping connecting rod 504, and the outer walls at both ends of the flipping connecting rod 504 are rotatably connected to the inner walls of the two connecting through holes respectively. The rotation of the connecting rotating rod 301 drives the fixed rotating rod 501 to rotate through the bevel gear. The rotating connecting rotating rod 301 drives the fixed cam 502 to rotate. The rotation of the fixed cam 502 can drive the waste slide rail 503 to perform a cyclic flipping motion around the flipping connecting rod 504. The cyclic flipping motion of the waste slide rail 503 can generate vibration to avoid the accumulation of paper scraps.

[0031] In this embodiment, as Figure 1 , Figure 4 and Figure 7 As shown, the teeth on the outer wall of the double crushing roller 402 are installed alternately with the fixed crushing teeth 404, and the crushing teeth on the outer wall of the two alternate crushing rollers 203 are installed alternately. One side of the double through hole is connected to one side of the crushing through hole.

[0032] The usage and advantages of this utility model: The paper shredder with a dual crushing structure operates as follows:

[0033] like Figures 1 to 7As shown, firstly, the drive motor 202 is started. The rotating drive motor 202 drives one of the interlaced crushing rollers 203 to rotate via a coupling. The rotation of one interlaced crushing roller 203 drives one of the connecting gear shafts 204 to rotate. The rotating connecting gear shaft 204 drives another connecting gear shaft 204 to rotate through meshing. The rotation of the other connecting gear shaft 204 drives the other interlaced crushing roller 203 to rotate. The rotation of the two interlaced crushing rollers 203 can crush the paper entering from the paper feed trough 103. The rotation of the interlaced crushing rollers 203 drives the connecting rod 301 to rotate via bevel gears. The rotation of the connecting rod 301 can... The bevel gear drives the steering rod 303 to rotate, and the rotation of the steering rod 303 drives the mounting rod 401 to rotate through the bevel gear. The rotating mounting rod 401, through its alternating installation with the fixed crushing teeth 404, can perform secondary crushing on the paper scraps after the first crushing, which can improve the crushing effect. The rotation of the connecting rod 301 drives the fixed rotating rod 501 to rotate through the bevel gear. The rotation of the connecting rod 301 drives the fixed cam 502 to rotate. The rotation of the fixed cam 502 can drive the waste slide rail 503 to circulate and rotate around the flipping connecting rod 504. The circulating and rotating motion of the waste slide rail 503 can generate vibration and prevent paper scraps from accumulating.

[0034] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A paper shredder with a dual crushing structure, comprising a base (1), characterized in that: The left side of the base (1) is connected to the right side of the rotating mechanism (2), the outer wall of the rotating mechanism (2) is meshed with the outer wall of the transmission mechanism (3), the outer wall of the transmission mechanism (3) is rotatably connected to the inner wall of the base (1), and the outer wall of the middle part of the transmission mechanism (3) is connected to the outer wall of one end of the crushing mechanism (4). Both sides of the crushing mechanism (4) are connected to the inner wall of the base (1), the outer wall of the bottom end of the transmission mechanism (3) is connected to the outer wall of one end of the vibration mechanism (5), and the outer wall of the vibration mechanism (5) is rotatably connected to the inner wall of the base (1).

2. The paper shredder with a dual crushing structure according to claim 1, characterized in that: The base (1) includes a housing (101), the top of the housing (101) is movably engaged with the bottom of the cover plate (102), and a paper feeding groove (103) is provided at the top of the middle part of the cover plate (102). A paper feeding frame (104) is installed at the bottom of the middle part of the cover plate (102). The left side of the bottom of the housing (101) is movably engaged with the right side of the waste paper collection box (105). Crushing through holes are provided on both sides of the middle part of the housing (101). Rotation through holes are provided on both sides of the top of the housing (101). Connection through holes are provided on the front and back sides of the left side of the housing (101).

3. A paper shredder with a dual crushing structure according to claim 2, characterized in that: The rotating mechanism (2) includes a motor mounting base (201), the right side of which is connected to the left side of the top of the housing (101), and the top of the motor mounting base (201) is movably engaged with the bottom of the drive motor (202). One end of the drive motor (202) is connected to one end of one of the interleaved crushing rollers (203) via a coupling, and the outer wall of the other end of the two interleaved crushing rollers (203) is movably engaged with the inner wall of two connecting gear shafts (204). A bevel gear is provided on the outer wall of the other end of one of the interleaved crushing rollers (203).

4. A paper shredder with a dual crushing structure according to claim 3, characterized in that: The transmission mechanism (3) includes a connecting rod (301) and a steering rod (303). The outer walls at both ends and the outer wall in the middle of the connecting rod (301) are respectively provided with bevel gears. The outer wall at the top of the connecting rod (301) is connected to the outer wall at the other end of one of the interlaced crushing rollers (203) through the bevel gears. The outer wall in the middle of the connecting rod (301) is rotatably connected to the inner wall of the connecting fixing block (302). A housing (101) is installed on the left side of the connecting fixing block (302). The two ends of the steering rod (303) are respectively provided with bevel gears. The outer wall at one end of the steering rod (303) is connected to the outer wall in the middle of the connecting rod (301) through the bevel gears. The outer wall in the middle of the steering rod (303) is rotatably connected to the inner wall of the steering fixing block (304). The left side of the steering fixing block (304) is connected to the right side of the housing (101).

5. A paper shredder with a dual crushing structure according to claim 4, characterized in that: The crushing mechanism (4) includes a mounting rod (401) and a double mounting box (403). A bevel gear is provided on the outer wall of one end of the mounting rod (401), and the outer wall of one end of the mounting rod (401) is connected to the outer wall of the other end of the steering rod (303) through the bevel gear. The outer wall of the middle part of the mounting rod (401) is movably engaged with the inner wall of the double crushing roller (402), and the outer walls of both ends of the mounting rod (401) are rotatably connected to the inner walls of the two crushing through holes. The double mounting box (403) is provided with double through holes on both sides, and the inner walls of the two double through holes are rotatably connected to the outer wall of the mounting rod (401) near the double crushing roller (402). The inner sidewall of the double mounting box (403) is connected to the front and back of the two fixed crushing teeth (404), and the two sides of the double mounting box (403) are connected to the interior of the housing (101).

6. A paper shredder with a dual crushing structure according to claim 4, characterized in that: The vibration mechanism (5) includes a fixed rotating rod (501). A bevel gear is provided on the outer wall of one end of the fixed rotating rod (501), and the outer wall of one end of the fixed rotating rod (501) is connected to the outer wall of the bottom end of the connecting rotating rod (301) through the bevel gear. The outer wall of the middle part of the fixed rotating rod (501) is rotatably connected to the inner wall of the vibration through hole, and the outer wall of the other end of the fixed rotating rod (501) is movably engaged with the inner wall of the fixed cam (502). The outer wall of the fixed cam (502) is movably abutted against the bottom of the right side of the waste slide rail (503), and the left side of the waste slide rail (503) is provided with a flipping through hole on the front. The inner wall of the flipping through hole is movably engaged with the outer wall of the middle part of the flipping connecting rod (504), and the outer walls of both ends of the flipping connecting rod (504) are rotatably connected to the inner walls of the two connecting through holes respectively.

7. A paper shredder with a dual crushing structure according to claim 5, characterized in that: The teeth on the outer wall of the double crushing roller (402) are staggered with the fixed crushing teeth (404), and the crushing teeth on the outer walls of the two staggered crushing rollers (203) are staggered. One side of the double through hole is interconnected with one side of the crushing through hole.

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