Tool sharpener with protective structure
By designing a protection box and a collection box on the knife sharpener and combining wheel-type and sliding friction-type grinding mechanisms, the problems of debris splashing and damage and recycling difficulties are solved, achieving safety protection and environmentally friendly debris disposal.
Patent Information
- Application Number
- CN202422752796.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-12
- Publication Date
- 2025-09-26
- Estimated Expiration
- 2034-11-12
AI Technical Summary
During the grinding process, traditional knife sharpeners generate flying chips that can harm the operator and are difficult to recover.
A knife sharpener with a protective structure is designed, which includes a protection box, a collection box and multiple grinding mechanisms, including wheel-type and sliding friction-type structures, equipped with a hydraulic push rod and an electric clamping device for safety protection and debris recovery.
It provides operator safety protection and effectively collects and processes debris, improving operational safety and environmental protection.
Smart Images

Figure CN223383144U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of tool processing, in particular to a tool sharpener with a protective structure. Background Art
[0002] A knife sharpener is a common tool used to sharpen polished products. Current knife sharpeners consist of a machine body and a housing mounted on top. One side of the housing is equipped with a horizontally movable mount, which is fitted with a pressure cylinder. The mount also has a slot for the polished product to pass through. The housing houses a sharpening assembly, and its sidewalls feature a movable slot for the polished product to move. To sharpen the product, the product is first inserted into the slot, the pressure cylinder is activated to compress it, and the mount is moved to allow the product and the sharpening assembly to be sharpened. The housing also features a tool brake for stopping the sharpening assembly. A worker activates the tool brake to stop the sharpening assembly.
[0003] For traditional knife sharpeners, a direct grinding method is used. During the grinding process, chips may fly out and injure the operator, and may also cause some difficulty in recovering the chips. To address such problems, a grinder with a protective mechanism is provided. Utility Model Content
[0004] The grinding machine with a protective mechanism proposed by the utility model solves the problems of debris splashing out to injure the operator and difficulty in recovering the debris.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solution: a knife sharpener with a protective structure, comprising a box body, a base plate is provided at the bottom of the box body, a plurality of supporting feet are provided on the base plate, a protective box is provided at the upper end of the box body, and a second grinding mechanism is provided inside the box body below the protective box, the second grinding mechanism is a group of symmetrically distributed and horizontally movable wheel grinding structures, a display is provided on one side of the box body, a control button is provided on one side of the display, a first grinding mechanism is provided on one side of the inside of the box body, and the first grinding mechanism is a sliding friction grinding structure distributed up and down.
[0006] Preferably, a rotating mechanism is provided at the upper end of the protection box, including a rotating shaft, a fixed rod and a rotating rod. The fixed rod is provided on one side of the protection box, and the rotating rod is provided on one side of the upper cover of the protection box. The rotating shaft passes through one end of the fixed rod, and the rotating shaft is connected to the rotating rod.
[0007] Preferably, a cabinet door is provided at the front end of the box, a door hinge is provided on one side of the cabinet door, one side of the door hinge is connected to the box, a collection box is provided at the lower end inside the box, the collection box passes through the front end of the box, heat dissipation holes are provided on the surface of the box, and an outlet is provided at the rear end of the box.
[0008] Preferably, the first grinding mechanism includes a fixing part, a grinding plate, a hydraulic push rod, and a first driving motor. Several fixing parts are provided on the inner wall of the box body, a first driving motor is provided on one side of the fixing part, a movable slide is provided at the lower end of the fixing part, a second driving motor is provided inside the movable slide, the output shaft of the second driving motor is connected to a rotating screw, a screw slider is installed on the rotating screw, a hydraulic push rod is provided at the upper end of the screw slider, a grinding plate is provided at one end of the hydraulic push rod, and the first grinding mechanism is connected to the outlet at the rear end of the box body.
[0009] Preferably, the second grinding mechanism includes an inner box, a grinding disc, a gear, a rotating member, a third drive motor, a second drive motor and a connecting plate, the inner box is arranged on the inner side wall of the box body, and a tooth groove is provided inside the inner box, the tooth groove is connected to the gear, the gear is connected to the third drive motor, the third drive motor is installed on the connecting plate, the connecting plate is provided with the second drive motor, the output shaft of the second drive motor is connected to the rotating member, a grinding disc is installed at one end of the rotating member, and a plurality of clamping mechanisms are provided at the upper end of the inner box.
[0010] Preferably, the clamping mechanism includes an electric push rod and a clamping piece. The inner wall of the box is provided with an electric push rod, and a clamping piece is installed at one end of the electric push rod.
[0011] The beneficial effects of the utility model are:
[0012] 1. The protective mechanism of this equipment reasonably distributes the grinding device to provide safety protection for the operator.
[0013] 2. The collection box of the equipment can effectively collect and recycle debris, providing environmental protection for the equipment.
[0014] In summary, the equipment can provide safety protection for the operator and also provide a better measure for the recovery of debris. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a structural diagram of the utility model;
[0016] Figure 2 This is a schematic diagram of the mechanism of the present invention from another perspective;
[0017] Figure 3 For this utility model Figure 2 Enlarged view of point A in the middle;
[0018] Figure 4 This is an exploded schematic diagram of the first grinding mechanism of the present utility model;
[0019] Figure 5It is a partial schematic diagram of the second grinding mechanism of the utility model.
[0020] Numbers in the figure: 1. Box body; 2. Bottom plate; 3. Support feet; 4. Control buttons; 5. Display; 6. Protection box; 7. Collection box; 8. Cabinet door; 9. Door hinge; 10. Heat dissipation hole; 11. Outlet; 12. Fixed rod; 13. Rotating rod; 14. Rotating shaft; 15. Moving slide; 16. Fixed part; 17. First drive motor; 18. Rotating screw; 19. Screw slider; 20. Hydraulic push rod; 21. Grinding disc; 22. Clamping disc; 23. Electric push rod; 24. Inner box; 25. Grinding disc; 26. Rotating part; 27. Second drive motor; 28. Third drive motor; 29. Gear; 30. Tooth groove; 31. Connecting plate. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.
[0022] Reference Figure 1-Figure 5 The utility model provides a technical solution: a knife sharpener with a protective structure, including a box body 1, a bottom plate 2 is provided at the bottom of the box body 1, a plurality of supporting legs 3 are provided on the bottom plate 2, a protection box 6 is provided on the upper end of the box body 1, and a rotating mechanism is provided on the upper end of the protection box 6, including a rotating shaft 14, a fixed rod 12 and a rotating rod 13. The fixed rod 12 is provided on one side of the protection box 6, and the rotating rod 13 is provided on one side of the box cover at the upper end of the protection box 6. The rotating shaft 14 passes through one end of the fixed rod 12, and the rotating shaft 14 is connected to the rotating rod 13. When the grinding object is put in, the box cover at the upper end of the protection box 6 is opened, and the rotating shaft 14 provides a rotating bracket, and a second grinding mechanism is provided inside the box body 1 below the protection box 6. The second grinding mechanism is a set of symmetrically distributed and horizontally movable wheeled grinding wheels. Grinding structure, a display 5 is provided on one side of the box 1, a control button 4 is provided on one side of the display 5, a first grinding mechanism is provided on one side of the interior of the box 1, and the first grinding mechanism is a sliding friction grinding structure distributed up and down, a cabinet door 8 is provided at the front end of the box 1, a door hinge 9 is provided on one side of the cabinet door 8, and one side of the door hinge 9 is connected to the box 1, a collecting box 7 is provided at the lower end of the interior of the box 1, the collecting box 7 passes through the front end of the box 1, a heat dissipation hole 10 is provided on the surface of the box 1, and an outlet 11 is provided at the rear end of the box 1, the debris generated by grinding is collected in the collecting box 7, and the heat dissipation hole 10 dissipates heat when the second grinding mechanism is working. When the first grinding mechanism is to work, the cabinet door 8 is opened, the grinding object is put in for grinding, and finally taken out through the outlet 11.
[0023] Reference Figure 4The first grinding mechanism includes a fixing member 16, a grinding sheet 21, a hydraulic push rod 20, and a first drive motor 17. The inner wall of the box body 1 is provided with a plurality of fixing members 16. The first drive motor 17 is provided on one side of the fixing member 16. The lower end of the fixing member 16 is provided with a movable slide 15. The first drive motor 17 is provided inside the movable slide 15. The output shaft of the first drive motor 17 is connected to the rotating screw 18. The rotating screw 18 is equipped with a screw slider 19. The upper end of the screw slider 19 is provided with a hydraulic push rod 20. One end of the hydraulic push rod 20 is provided with a grinding sheet 2 1. The first grinding mechanism is connected to the outlet 11 at the rear end of the box body 1. When the first grinding mechanism is working, the grinding object is put in for up and down grinding, and then stabilized by the fixing member 16. The screw slider 19 at the lower end is used for moving and grinding. The hydraulic push rod 20 controls the grinding height. The clamping mechanism includes an electric push rod 23 and a clamping piece 22. The inner wall of the box body 1 is provided with an electric push rod 23, and a clamping piece 22 is installed at one end of the electric push rod 23. The clamping mechanism is divided into left and right sides, which are used to clamp the objects being polished by the second grinding mechanism to improve the grinding accuracy.
[0024] Reference Figure 5 The second grinding mechanism includes an inner box 24, a grinding disc 25, a gear 29, a rotating member 26, a second drive motor 27, a third drive motor 28 and a connecting plate 31. The inner box 24 is arranged on the inner side wall of the box body 1. A tooth groove 30 is provided inside the inner box 24. The tooth groove 30 is connected to the gear 29. The output shaft of the gear 29 is connected to the third drive motor 28. The third drive motor 28 is installed on the connecting plate 31. The connecting plate 31 is provided with the second drive motor 27. The output shaft of the second drive motor 27 is connected to the rotating member 26. The grinding disc 25 is installed at one end of the rotating member 26, and several clamping mechanisms are provided at the upper end of the inner box 24. In the second grinding mechanism, the inner box 24, the grinding disc 25, etc. are symmetrical structures, which can be used to grind both sides of the grinding object and the blade.
[0025] Working principle: When the equipment is working, the operator can control the first grinding mechanism and the second grinding mechanism through the control button 4 on the side of the box body 1. The operator can select the grinding mechanism according to the object to be polished. When the first grinding mechanism is required, the cabinet door 8 is opened and the object to be polished is placed inside. The fixing part 16 is used for fixed polishing. Then, the first driving motor 17 drives the polishing sheet 21 on the upper end of the screw slider 19 to move and polish. Finally, the object to be polished is taken out from the outlet 11.
[0026] In addition, in the front grinder, the grinding object is placed in the protective box 6 at the upper end of the box body 1, and then the clamping piece 22 on the side of the electric push rod 23 stabilizes the object, and then the control button 4 controls the speed of the grinding mechanism. The second drive motor 27 is connected to the grinding disc 25 on the side of the rotating part 26 for grinding. The second drive motor 27 and the third drive motor 28 are installed on the connecting plate 31. The gear 29 driven by the third drive motor 28 controls the movement of the grinding disc 25. The collection box 7 at the lower end of the grinding disc 25 collects debris, and finally, each grinding data is reflected through the display 5.
[0027] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A knife sharpener with a protective structure, comprising a housing (1), characterized in that: The bottom of the box (1) is provided with a bottom plate (2), and the bottom plate (2) is provided with a plurality of supporting legs (3). The upper end of the box (1) is provided with a protection box (6), and the interior of the box (1) below the protection box (6) is provided with a second grinding mechanism, the second grinding mechanism being a group of symmetrically distributed and horizontally movable wheel-type grinding structures. A display (5) is provided on one side of the box (1), and a control button (4) is provided on one side of the display (5). A first grinding mechanism is provided on one side of the interior of the box (1), and the first grinding mechanism is a sliding friction type grinding structure distributed up and down.
2. The knife sharpener with a protective structure according to claim 1, characterized in that: The upper end of the protection box (6) is provided with a rotating mechanism, which comprises a rotating shaft (14), a fixed rod (12) and a rotating rod (13); the fixed rod (12) is provided on one side of the protection box (6); the rotating rod (13) is provided on one side of the upper cover of the protection box (6); the rotating shaft (14) passes through one end of the fixed rod (12); and the rotating shaft (14) is connected to the rotating rod (13).
3. The knife sharpener with a protective structure according to claim 1, characterized in that: The front end of the box (1) is provided with a cabinet door (8), one side of the cabinet door (8) is provided with a door hinge (9), one side of the door hinge (9) is connected to the box (1), a collection box (7) is provided at the lower end of the interior of the box (1), the collection box (7) passes through the front end of the box (1), a heat dissipation hole (10) is provided on the surface of the box (1), and an outlet (11) is provided at the rear end of the box (1).
4. The knife sharpener with a protective structure according to claim 1, characterized in that: The first grinding mechanism comprises a fixing member (16), a grinding sheet (21), a hydraulic push rod (20), and a first driving motor (17). The inner wall of the box (1) is provided with a plurality of fixing members (16), one side of the fixing member (16) is provided with the first driving motor (17), the lower end of the fixing member (16) is provided with a movable slide (15), the interior of the movable slide (15) is provided with the first driving motor (17), the output shaft of the first driving motor (17) is connected to a rotating screw (18), the rotating screw (18) is provided with a screw slider (19), the upper end of the screw slider (19) is provided with a hydraulic push rod (20), one end of the hydraulic push rod (20) is provided with a grinding sheet (21), and the first grinding mechanism is connected to the outlet (11) at the rear end of the box (1).
5. The knife sharpener with a protective structure according to claim 1, characterized in that: The second grinding mechanism comprises an inner box (24), a grinding disc (25), a gear (29), a rotating member (26), a second drive motor (27), a third drive motor (28) and a connecting plate (31). The inner box (24) is arranged on the inner side wall of the box body (1). A tooth groove (30) is arranged inside the inner box (24). The tooth groove (30) is connected with a gear (29). The output shaft of the gear (29) is connected to the third drive motor (28). The third drive motor (28) is installed on the connecting plate (31). The connecting plate (31) is provided with the second drive motor (27). The output shaft of the second drive motor (27) is connected to the rotating member (26). A grinding disc (25) is installed at one end of the rotating member (26). A plurality of clamping mechanisms are provided at the upper end of the inner box (24).
6. The knife sharpener with a protective structure according to claim 5, characterized in that: The clamping mechanism comprises an electric push rod (23) and a clamping piece (22). The inner wall of the box body (1) is provided with the electric push rod (23), and one end of the electric push rod (23) is installed with the clamping piece (22).