Energy-saving paper shredder cutter assembly

By adopting a combined structure of two crushing rollers and small crushing rollers in the shredder, combining the design of gears and bearings to disperse the bite force, the problem of wear and maintenance of the shredder tool is solved, and more efficient crushing is achieved and longer service life.

CN222197221UActive Publication Date: 2024-12-20GUANGDONG SUNSHINE KEMI ELECTRONIC TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202420904238.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-28
Publication Date
2024-12-20
Estimated Expiration
2034-04-28

AI Technical Summary

Technical Problem

The existing paper shredders are cumbersome to install the tool components and are seriously worn during long-term use. The paper is easily adsorbed on the tool when crushing, which affects the service life.

Method used

An energy-saving paper shredder tool assembly is designed, adopting the structure of two crushing rollers and a small crushing roller. The crushing roller rotates simultaneously through the cooperation of gears and bearings, dispersing the bite force, reducing wear, and passing through removable The protective frame is easy to maintain.

Benefits of technology

It achieves faster and even paper crushing, reduces the wear of paper and tool, extends the service life of the tool, and facilitates maintenance.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222197221U_ABST
    Figure CN222197221U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of paper shredders, in particular to an energy-saving paper shredder cutter assembly, which comprises a box body, a protective frame and a fixed plate wall, the fixed plate wall is fixedly connected with the left part of the inner lower wall of a paper shredding box, a collecting box is movably connected in the box body, and reinforcing legs are fixedly connected to the periphery of the lower end of the box body. A paper shredding box is fixedly connected to the upper end of the box body, a through opening is formed in the inner lower wall of the paper shredding box, a control panel is fixedly connected to the upper portion of the right end of the paper shredding box, a servo motor is fixedly connected to the right end of the paper shredding box, and the output end of the servo motor penetrates through the middle of the right end of the paper shredding box and is fixedly connected with a first gear. According to the energy-saving paper shredder cutter assembly disclosed by the utility model, the two crushing rollers I are arranged, the small crushing roller is arranged between the two crushing rollers I, and the small crushing roller is not in contact with the two crushing rollers I, so that paper can be comprehensively and quickly crushed, and the abrasion between the paper and the cutter assembly can be reduced.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of paper shredders, in particular to an energy-saving paper shredder cutter assembly. Background Art

[0002] A shredder is composed of a set of rotating blades, a paper comb and a drive motor. Paper is fed in from the middle of the interlocking blades and is cut into many small pieces of paper to achieve the purpose of confidentiality. During use, it is necessary to pay attention to the protection of the shredder, and try to put in less paper than the maximum amount each time to reduce the wear on the cutter. However, during the long-term use of existing paper shredders, the installation of general shredders and cutter assemblies is cumbersome, making it inconvenient for personnel to disassemble the machine body and maintain the cutter. In addition, when the cutter and paper are engaged too much, it will cause wear on the blade of the cutter. Some paper will be adsorbed on the blade when shredded, so further improvement is needed. Utility Model Content

[0003] The main purpose of the utility model is to provide an energy-saving paper shredder cutter assembly, which can effectively solve the problems in the background technology.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] The energy-saving shredder tool assembly comprises a box body, a protective frame and a fixed plate wall, wherein the fixed plate wall is fixedly connected to the left part of the inner lower wall of the shredder box, a collection box is movably connected to the box body, the lower end of the box body is fixedly connected with reinforcement legs all around, the upper end of the box body is fixedly connected with the shredder box, the inner lower wall of the shredder box is provided with a through opening, the upper right end of the shredder box is fixedly connected with a control panel, the right end of the shredder box is fixedly connected with a servo motor, the output end of the servo motor passes through the middle part of the right end of the shredder box and is fixedly connected with a gear 1, the left end of the gear 1 is fixedly connected with a shredding roller 1, and the front side of the gear 1 A No. 2 gear is provided, and the right end of the No. 2 gear is movably connected to the shredder box through a bearing, and a small crushing roller is fixedly connected to the right end of the No. 2 gear. A No. 3 gear is provided on the front side of the No. 2 gear, and a crushing roller 1 is fixedly connected to the right end of the No. 3 gear. The right ends of the two crushing rollers 1 are movably connected to the fixed plate wall through bearings. A through paper inlet is provided in the middle of the upper end of the shredder box, and the upper left end and the lower left end of the shredder box are both threaded and movably connected with two screws, and the upper and lower ends of the protective frame have two through screw holes, and the protective frame is detachably connected to the shredder box through four screws respectively.

[0006] Preferably, the four screw holes are matched with the sizes of the four screws.

[0007] Preferably, the gear 1 is meshedly connected with the gear 2, and the gear 2 is meshedly connected with the gear 3.

[0008] Preferably, the two crushing rollers are of the same size and structure.

[0009] Preferably, the small crushing roller is located between two crushing rollers one, and the small crushing roller is not in contact with the two crushing rollers one.

[0010] Compared with the prior art, the utility model has the following beneficial effects:

[0011] 1. By setting two crushing rollers 1, a small crushing roller is set between the two crushing rollers 1, and the small crushing roller does not contact the two crushing rollers 1, so that under the coordinated use of the servo motor, gear 1, gear 2 and gear 3, gear 1 is connected with gear 2, and gear 2 is meshed with gear 3, so that the two crushing rollers 1 and the small crushing roller can rotate at the same time, so that the paper entering the broken paper box can be crushed more quickly and evenly. By setting two crushing rollers 1 and the small crushing roller, the bite force of the paper when crushing the paper can be dispersed, so the wear between the paper and the cutter can be reduced;

[0012] 2. By setting a protective frame, the protective frame is detachably connected to the shredder box through four screw holes and four screws. The protective frame can protect the cutter assembly when it shreds paper. In addition, by conveniently disassembling the protective frame, it is convenient for personnel to maintain the paper shredding cutter in the shredder box, thereby extending the service life of the cutter. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the overall structure of the cutter assembly of the energy-saving paper shredder of the utility model;

[0014] Figure 2 It is a schematic diagram of the cutaway structure of the protective frame of the energy-saving paper shredder cutter assembly of the utility model;

[0015] Figure 3 This is a schematic diagram of the overall internal structure of the shredder box of the energy-saving shredder cutter assembly of the utility model;

[0016] Figure 4 This is a schematic diagram of the overall structure of the small shredding roller of the energy-saving paper shredder cutter assembly of the utility model.

[0017] In the figure: 1. Box body; 2. Collection box; 3. Reinforcement legs; 4. Shredder box; 5. Through hole; 6. Control panel; 7. Paper feed port; 8. Servo motor; 9. Screws; 10. Protection frame; 11. Screw holes; 12. Gear 1; 13. Crushing roller 1; 14. Gear No. 2; 15. Small crushing roller; 16. Gear No. 3; 17. Fixed panel wall. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0019] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] See also Figure 1-4 , the utility model provides a technical solution:

[0022] The energy-saving shredder tool assembly includes a box body 1, a protective frame 10 and a fixed plate wall 17, the fixed plate wall 17 is fixedly connected to the left part of the inner lower wall of the shredder box 4, a collecting box 2 is movably connected in the box body 1, and the lower end of the box body 1 is fixedly connected with reinforcement legs 3 on all sides, the upper end of the box body 1 is fixedly connected with the shredder box 4, and the inner lower wall of the shredder box 4 is provided with a through opening 5, a control panel 6 is fixedly connected to the upper right end of the shredder box 4, and a servo motor 8 is fixedly connected to the right end of the shredder box 4, and the output end of the servo motor 8 passes through the middle part of the right end of the shredder box 4 and is fixedly connected to a gear 12, and the left end of the gear 12 is fixedly connected to a shredding roller 13, and the front side of the gear 12 is provided with There is a No. 2 gear 14, the right end of the No. 2 gear 14 is movably connected to the shredder box 4 through a bearing, the right end of the No. 2 gear 14 is fixedly connected to a small crushing roller 15, a No. 3 gear 16 is arranged on the front side of the No. 2 gear 14, the right end of the No. 3 gear 16 is fixedly connected to a crushing roller 13, the right ends of the two crushing rollers 13 are movably connected to a fixed plate wall 17 through bearings, a through paper inlet 7 is provided in the middle of the upper end of the shredder box 4, the upper left part and the lower left part of the shredder box 4 are both threadedly movably connected with two screws 9, the upper and lower ends of the protective frame 10 are both provided with two through screw holes 11, and the protective frame 10 is detachably connected to the shredder box 4 through four screws 9 respectively.

[0023] In this embodiment, the four screw holes 11 are adapted to the sizes of the four screws 9. By movably connecting the four screws 9 on the shredder box 4, the protective frame 10 is clamped with the shredder box 4, and the four screw holes 11 opened on the protective frame 10 are respectively aligned with the four screws 9 movably connected with the threads on the shredder box 4 and then twisted, so that the protective frame 10 can seal the front end face and the right end face of the shredder box 4, so that the paper can be protected when it is shredded. By disassembling the protective frame 10, it is convenient for personnel to subsequently maintain the tool assembly installed in the shredder box 4. The gear 12 is meshed with the second gear 14, and the second gear 14 is meshed with the third gear 16. The size and structure of the two shredder rollers 13 are the same, and the small shredder roller 15 is located between the two shredder rollers 11. 3, the small shredding roller 15 does not contact the two shredding rollers 13, by arranging two shredding rollers 13 of the same structure in the shredding box 4, the two shredding rollers 13 are meshed and connected with the second gear 14 through the third gear 16 and the shredding roller 13 respectively, and then the right end of the second gear 14 is fixed to the small shredding roller 15, so that when the two shredding rollers 13 rotate, the small shredding roller 15 can be driven to rotate, so that the paper entering the shredding box 4 can be shredded at a higher speed, and by arranging the small shredding roller 15, and the small shredding roller 15 does not contact the two shredding rollers 13, when the cutter assembly bites the paper for a long time to shred, the paper can be prevented from being adsorbed on the cutter, and the arrangement of the two shredding rollers 13 and the small shredding roller 15 can prevent the cutter from being worn due to long-term use.

[0024] It should be noted that the utility model is an energy-saving paper shredder cutter assembly. During use, a servo motor 8, a gear 12, two crushing rollers 13 of the same structure and size, a second gear 14, a small crushing roller 15 and a third gear 16 are provided, and the gear 12 is meshed with the second gear 14, and the second gear 14 is meshed with the third gear 16. When the servo motor 8 is working, the servo motor 8 drives the gear 12 to rotate the second gear 14, and the second gear 14 synchronously rotates the third gear 16, so that the two crushing rollers 13 and the small crushing roller 15 can rotate synchronously, so that the paper inlet can be cut. 7 can be more comprehensively shredded. By providing two shredding rollers 13 and a small shredding roller 15, the bite force of the paper during shredding can be dispersed, so that the wear between the paper and the cutter can be reduced, so that the paper will not be adsorbed on the cutter during shredding. In addition, the protective frame 10 is threadedly installed and fixed to the shredding box 4 through four screw holes 11 and four screws 9 respectively, so that the protective frame 10 can seal the front end and the left end surface of the shredding box 4, and can protect the cutter in the shredding box 4. In addition, it is also convenient for personnel to disassemble the protective frame 10, so as to maintain the paper shredding cutter provided in the shredding box 4, so that the service life of the shredder can be extended.

[0025] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. An energy-saving paper shredder cutter assembly, comprising a housing (1), a protective frame (10) and a fixed plate wall (17), characterized in that: The fixed plate wall (17) is fixedly connected to the left part of the inner lower wall of the shredding box (4); a collecting box (2) is movably connected inside the box body (1); the lower end of the box body (1) is fixedly connected with reinforcing legs (3) all around; the upper end of the box body (1) is fixedly connected with the shredding box (4); the inner lower wall of the shredding box (4) is provided with a through opening (5); the upper right end of the shredding box (4) is fixedly connected with a control panel (6); the right end of the shredding box (4) is fixedly connected with a servo motor (8); the output end of the servo motor (8) passes through the middle part of the right end of the shredding box (4) and is fixedly connected with a gear 1 (12); the left end of the gear 1 (12) is fixedly connected with a shredding roller 1 (13); a second gear (14) is arranged on the front side of the gear 1 (12); the ... The right end of the gear (14) is movably connected to the shredder box (4) through a bearing, the right end of the second gear (14) is fixedly connected to a small crushing roller (15), the front side of the second gear (14) is provided with a third gear (16), the right end of the third gear (16) is fixedly connected to a crushing roller (13), the right ends of the two crushing rollers (13) are movably connected to a fixed plate wall (17) through a bearing, a through paper inlet (7) is provided in the middle of the upper end of the shredder box (4), the upper left part and the lower left part of the shredder box (4) are both threadedly movably connected to two screws (9), the upper end and the lower end of the protective frame (10) are both provided with two through screw holes (11), and the protective frame (10) is detachably connected to the shredder box (4) through four screws (9).

2. The energy-saving paper shredder cutter assembly according to claim 1, characterized in that: The four screw holes (11) are adapted to the sizes of the four screws (9).

3. The energy-saving paper shredder cutter assembly according to claim 1, characterized in that: The gear 1 (12) is meshedly connected with the gear 2 (14), and the gear 2 (14) is meshedly connected with the gear 3 (16).

4. The energy-saving paper shredder cutter assembly according to claim 1, characterized in that: The two crushing rollers (13) are identical in size and structure.

5. The energy-saving paper shredder cutter assembly according to claim 4, characterized in that: The small crushing roller (15) is located between the two crushing rollers (13), and the small crushing roller (15) is not in contact with the two crushing rollers (13).