A knife-sharpening device

CN224658911UActive Publication Date: 2026-08-21吴国军
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Patent Information

Application Number
CN202521597125.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-07-30
Publication Date
2026-08-21
Estimated Expiration
2035-07-30

AI Technical Summary

Technical Problem

这种方式存在诸多问题:首先,人工磨刀效率极低,对于一把普通刀具的打磨,熟练的操作人员也需要耗费较长时间,难以满足大量刀具快速打磨的需求;其次,人工磨刀对操作者的技术要求较高,磨刀力度、角度等难以精确控制,容易导致刀具打磨不均匀,刃口不平整,影响刀具的使用寿命和使用效果;此外,长时间的人工磨刀劳动强度大,操作人员容易疲劳,且在磨刀过程中产生的金属碎屑和热量无法得到有效处理,不仅会对操作人员的健康造成威胁,还可能因过热导致刀具材质性能下降

Benefits of technology

[0013]1.本实用新型通过旋转紧固器可牢固固定刀具,角度调节器配合调节槽能够精准调整刀具的打磨角度,适用于不同类型、不同磨损程度刀具的打磨,保证打磨质量,使刀具刃口平整锋利,延长刀具使用寿命。

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Abstract

The utility model relates to the field of cutter polishing equipment, concretely relates to a grinding equipment. The utility model discloses support frame, is provided with fixed component, power component and cooling assembly on it. Fixed component contains rotatable fixed plate, and the cutter is fixed through the rotation fastener, and angle regulator cooperates with adjusting groove to realize angle adjustment, and power component moves in the arc -shaped guide rail and slider, and motor drives rotary knife grinding, and the speed regulator can adjust the rotating speed, and the splash-proof board prevents water flow splashing, and cooling assembly utilizes high -level cooling water tank gravity water supply, and the cutter is cooled and cleaned. The bottom of support frame is equipped with folding leg and is convenient for storage movement. The equipment can accurately position angle adjustment, and the efficient polishing has the cooling function, and the operation is convenient, safe and environment -friendly, and solves the multiple problems of traditional knife grinding and existing equipment.
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Description

Technical Field

[0001] This utility model relates to the field of tool sharpening equipment, specifically to a tool sharpening device. Background Technology

[0002] In daily life and professional kitchen work, the sharpness of knives directly affects the user experience and work efficiency. When knives become dull, they need to be sharpened to restore their sharpness. Traditional sharpening methods mainly rely on manual operation using whetstones. This method has many problems: First, manual sharpening is extremely inefficient. Even a skilled operator needs a long time to sharpen a single ordinary knife, making it difficult to meet the demand for sharpening a large number of knives quickly. Second, manual sharpening requires a high level of skill from the operator. It is difficult to precisely control the sharpening force and angle, which can easily lead to uneven sharpening and an uneven cutting edge, affecting the lifespan and performance of the knife. In addition, prolonged manual sharpening is physically demanding, easily causing operator fatigue. Furthermore, the metal shavings and heat generated during the sharpening process cannot be effectively disposed of, posing a threat to the operator's health and potentially causing a degradation of the knife's material properties due to overheating.

[0003] With technological advancements, electric knife sharpening equipment has gradually emerged. However, existing electric knife sharpening equipment also has significant drawbacks. Some equipment has a simple structure, making it impossible to precisely position and adjust the angle of the knife, thus failing to meet the sharpening needs of different types and wear levels of knives. Some equipment lacks effective cooling measures during sharpening, causing the high temperatures generated by friction to alter the internal structure of the knife, reducing its hardness and toughness. Furthermore, some equipment generates chips and flying abrasive particles that easily scatter, polluting the working environment and potentially injuring operators. Therefore, there is an urgent need for a knife sharpening device that can improve sharpening efficiency, ensure sharpening quality, has a cooling function, is easy to operate, and is safe and environmentally friendly. Utility Model Content

[0004] The purpose of this utility model is to overcome the above-mentioned problems and provide a knife sharpening device. To achieve the above objective, this utility model adopts the following technical solution:

[0005] A knife sharpening device includes a support frame, a fixing component, a power component, and a cooling component. The fixing component, power component, and cooling component are mounted on the support frame. The fixing component includes a fixing plate, which is rotatably mounted in the middle of the support frame and fixed to the knife by the sharpening device. The support frame is also provided with a guide rail, which is arc-shaped and its curvature matches the arc surface of the knife. A slider is slidably mounted on the guide rail, and the power component is fixed to the slider.

[0006] As an improvement, the fixing assembly includes a rotary fastener, which is mounted on a fixing plate. The blade to be sharpened is fixed to the fixing plate by the rotary fastener. An angle adjuster is provided on the fixing plate. An angle adjusting plate is provided on the support frame. An adjusting groove is provided on the angle adjusting plate. An adjusting rod is provided on the angle adjuster. The adjusting rod is slidably disposed in the adjusting groove. A rotating shaft is provided at the bottom of the fixing plate. Both ends of the rotating shaft are rotatably disposed on the support frame.

[0007] As an improvement, a dustproof plate is provided at the front end of the guide rail.

[0008] As an improvement, the power assembly includes a first support plate and a second support plate, the second support plate being fixed on the slider, the first support plate and the second support plate being fixedly connected, the gap between the first support plate and the second support plate being secured by a dustproof plate, an electric motor being provided on the first support plate, a rotating grinding blade being provided at the bottom of the electric motor, and a splash-proof plate being provided at the bottom of the first support plate.

[0009] As an improvement, a fixing screw is provided between the second support plate and the slider, a fixing frame is provided on the second support plate, a speed regulating frame is folded at the end of the fixing frame, a speed regulator is provided on the speed regulating frame, and the speed regulator is electrically connected to the motor.

[0010] As an improvement, the cooling assembly includes a cooling water tank, an outlet pipe on the cooling water tank, an outlet valve on the outlet pipe, a curved pipe on the outlet valve, the end of the curved pipe being positioned above the tool being sharpened, and the cooling water tank being positioned higher than the support frame.

[0011] As an improvement, the support frame is provided with folding legs at the bottom.

[0012] The advantages of this utility model are:

[0013] 1. This utility model can firmly fix the tool by rotating the fastener, and the angle adjuster with the adjustment groove can accurately adjust the grinding angle of the tool. It is suitable for grinding different types of tools with different wear levels, ensuring grinding quality, making the tool edge flat and sharp, and extending the tool's service life.

[0014] 2. The cooling component of this utility model utilizes gravity-fed water supply. The cooling water can cool the tool during the grinding process in a timely manner, preventing the tool from degrading due to overheating, ensuring the hardness and toughness of the tool, and at the same time washing away debris, keeping the grinding surface clean, and improving the grinding effect.

[0015] 3. The folding leg design of this utility model facilitates the storage and movement of the equipment; the speed controller can adjust the grinding speed according to actual needs, and the operation is simple and easy to understand; the structure of each component is reasonably designed, and the installation and disassembly are convenient, which facilitates the maintenance and upkeep of the equipment. Attached Figure Description

[0016] Figure 1 The structure of a knife grinding device in Example 1 Figure 1 .

[0017] Figure 2 The structure of a knife grinding device in Example 1 Figure 2 .

[0018] Figure 3 The structure of a knife grinding device in Example 1 Figure 3 .

[0019] Figure 4 This is a structural diagram of the electric motor in Example 1.

[0020] The diagram is labeled as follows:

[0021] 1. Support frame; 2. Fixing plate; 3. Grinding tool; 4. Guide rail; 5. Slider; 6. Rotary fastener; 7. Angle adjuster; 8. Angle adjusting plate; 9. Adjusting groove; 10. Adjusting rod; 11. Rotating shaft; 12. Dustproof plate; 13. First support plate; 14. Second support plate; 15. Motor; 16. Rotary grinding tool; 17. Splash guard; 18. Fixing frame; 19. Speed ​​regulating frame; 20. Speed ​​regulator; 21. Cooling water tank; 22. Water outlet pipe; 23. Bending pipe; 24. Folding leg; 25. Water outlet valve. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0023] In the description of the embodiments of this utility model, it should be noted that if terms such as "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," or "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the utility model product is in use, they are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, terms such as "first," "second," and "third" are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0024] Furthermore, the use of terms such as "horizontal," "vertical," and "sag" does not imply that the component must be absolutely horizontal or suspended, but rather that it can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal relative to "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0025] In the description of the embodiments of this utility model, "a plurality of" means at least two.

[0026] In the description of the embodiments of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0027] The present invention will be described in detail below through specific embodiments to enable a better understanding of the present invention. However, the following embodiments do not limit the scope of protection of the present invention.

[0028] Example 1

[0029] This embodiment discloses a knife sharpening device.

[0030] like Figures 1 to 4 As shown, this embodiment includes a support frame 1, a fixing component, a power component, and a cooling component, which are mounted on the support frame 1.

[0031] Support frame 1: Serves as the supporting foundation for the entire equipment, providing a platform for the installation and fixation of other components. The bottom of the support frame 1 is equipped with folding legs 24, which facilitates the storage and movement of the equipment. When not in use, the folding legs 24 can be folded up to reduce space occupation; when needed, the folding legs 24 can be unfolded to ensure stable support for the equipment.

[0032] The fixing assembly includes a fixing plate 2, which is rotatably mounted in the middle of the support frame 1 to fix the tool 3 to be sharpened. The fixing plate 2 is equipped with a rotating fastener 6, which secures the tool 3 to the fixing plate 2. The rotating fastener 6 can be adjusted according to the thickness and shape of the tool to ensure a firm fixation and prevent displacement during sharpening. The fixing plate 2 is also equipped with an angle adjuster 7. The support frame 1 is equipped with an angle adjusting plate 8, which has an adjusting groove 9. The angle adjuster 7 is equipped with an adjusting rod 10, which slides within the adjusting groove 9. By adjusting the position of the adjusting rod 10 in the adjusting groove 9, the angle of the fixing plate 2 can be adjusted, thereby changing the sharpening angle of the tool 3 to meet the sharpening requirements of different types of tools. The bottom of the fixing plate 2 is equipped with a rotating shaft 11, whose two ends are rotatably mounted on the support frame 1, allowing the fixing plate 2 to rotate flexibly for sharpening different parts of the tool.

[0033] Power Component: The support frame 1 is equipped with a guide rail 4, which is arc-shaped and its curvature matches the arc surface of the knife, providing guidance for the movement of the power component. A slider 5 is slidably mounted on the guide rail 4, and the power component is fixed on the slider 5, allowing it to move along the arc-shaped path of the guide rail 4, ensuring that the grinding process conforms to the arc surface of the knife. The power component includes a first support plate 13 and a second support plate 14. The second support plate 14 is fixed on the slider 5, and the first support plate 13 and the second support plate 14 are fixedly connected. The gap between them is secured to a dustproof plate 12, providing a certain degree of dust prevention and guidance. A motor 15 is mounted on the first support plate 13, and a rotary grinding blade 16 is rotatably mounted at the bottom of the motor 15. The motor 15 provides power to the rotary grinding blade 16, driving it to rotate at high speed to grind the knife. A splash guard 17 is provided at the bottom of the first support plate 13 to prevent water from splashing everywhere during the cooling process, keeping the working environment clean. A fixing screw is provided between the second support plate 14 and the slider 5 to fix the position of the power component and ensure that the power component will not loosen during the grinding process. A fixing frame 18 is provided on the second support plate 14, and a speed regulating frame 19 is folded at the end of the fixing frame 18. A speed regulator 20 is provided on the speed regulating frame 19. The speed regulator 20 is electrically connected to the motor 15. The operator can adjust the speed of the motor 15 through the speed regulator 20 according to the material and wear degree of the tool, thereby controlling the grinding speed of the rotating grinding tool 16 to achieve precise grinding.

[0034] Cooling assembly: Includes a cooling water tank 21, with a water outlet pipe 22 and a water outlet valve 25 on the water outlet pipe 22. The water flow rate can be adjusted by controlling the water outlet valve 25. The water outlet valve 25 has a curved pipe 23, the end of which is positioned above the tool being ground 3. The cooling water tank 21 is positioned higher than the support frame 1. Cooling water flows out from the curved pipe 23 using gravity to cool the tool during the grinding process, reducing the heat generated by friction and preventing the degradation of the tool material properties. It also washes away grinding debris, keeping the grinding surface clean.

[0035] In use, place the tool to be sharpened on the fixed plate 2 and secure it firmly using the rotating fastener 6. Adjust the angle of the fixed plate 2 using the angle adjuster 7 according to the type of tool and the sharpening requirements to position the tool at a suitable sharpening angle. Then, mount the power unit on the guide rail 4 via the slider 5, ensuring the gap between the first support plate 13 and the second support plate 14 is engaged with the dustproof plate 12. Adjust the speed of the motor 15 using the speed regulator 20 on the speed control frame 19, depending on the tool material and wear condition, to control the sharpening speed of the rotary sharpener 16. Open the outlet valve 25 of the cooling water tank 21 to allow cooling water to flow from the curved pipe 23, cooling the tool. Start the motor 15, driving the rotary sharpener 16 to rotate at high speed, pushing the slider 5 along the guide rail 4 on an arc-shaped path, allowing the rotary sharpener 16 to adhere to the curved surface of the tool for sharpening. During sharpening, the cooling water continuously cools and cleans the tool. After sharpening, turn off the motor 15 and the outlet valve 25, remove the tool, and one sharpening operation is complete.

[0036] How to use

[0037] Unfold the folding legs 24 at the bottom of the support frame 1 and place the equipment on a stable workbench.

[0038] Place the tool that needs to be sharpened on the fixed plate 2, and adjust the rotating fastener 6 to secure the tool firmly.

[0039] Depending on the type of tool and the grinding requirements, the angle of the fixed plate 2 is adjusted by the angle adjuster 7 to place the tool at a suitable grinding angle.

[0040] The power unit is mounted on the guide rail 4 via the slider 5. The speed of the motor 15 is adjusted by the speed controller 20 on the speed control frame 19 according to the material and wear of the tool.

[0041] Open the outlet valve 25 of the cooling water tank 21 and adjust the water flow to allow the cooling water to flow out from the curved pipe 23 to cool the cutting tool.

[0042] Start the motor 15 to push the slider 5 to move along the guide rail 4, so that the rotating grinding tool 16 can be in contact with the curved surface of the tool for grinding. During the grinding process, keep the slider 5 moving at a constant speed to ensure uniform grinding.

[0043] After grinding is complete, turn off the motor 15 and the water outlet valve 25, loosen the rotating fastener 6, remove the cutting tool, and clean the debris and water stains from the surface of the equipment.

[0044] When not in use, fold the legs 24 and store the equipment properly.

[0045] The specific embodiments of this utility model have been described in detail above, but they are merely examples, and this utility model is not equivalent to the specific embodiments described above. For those skilled in the art, any equivalent modifications and substitutions to this utility model are also within the scope of this utility model. Therefore, all equivalent changes and modifications made without departing from the spirit and scope of this utility model should be covered within the scope of this utility model.

Claims

1. A knife sharpening device, characterized in that, The device includes a support frame (1), a fixing component, a power component, and a cooling component. The fixing component, power component, and cooling component are mounted on the support frame (1). The fixing component includes a fixing plate (2), which is rotatably mounted in the middle of the support frame (1). The grinding tool (3) is fixed on the fixing plate (2). The support frame (1) is also provided with a guide rail (4), which is arc-shaped. The arc of the guide rail (4) is in contact with the arc surface of the grinding tool (3). A slider (5) is slidably mounted on the guide rail (4), and the power component is fixed on the slider (5).

2. The knife sharpening device according to claim 1, characterized in that, The fixing assembly includes a rotary fastener (6), which is mounted on a fixing plate (2). The blade to be sharpened (3) is fixed to the fixing plate (2) by the rotary fastener (6). An angle adjuster (7) is provided on the fixing plate (2). An angle adjusting plate (8) is provided on the support frame (1). An adjusting groove (9) is provided on the angle adjusting plate (8). An adjusting rod (10) is provided on the angle adjuster (7). The adjusting rod (10) is slidably mounted in the adjusting groove (9). A rotating shaft (11) is provided at the bottom of the fixing plate (2). Both ends of the rotating shaft (11) are rotatably mounted on the support frame (1).

3. The knife sharpening device according to claim 2, characterized in that, The guide rail (4) is provided with a dustproof plate (12) at its front end.

4. The knife sharpening device according to claim 3, characterized in that, The power assembly includes a first support plate (13) and a second support plate (14). The second support plate (14) is fixed on the slider (5). The first support plate (13) and the second support plate (14) are fixedly connected. The gap between the first support plate (13) and the second support plate (14) is held in place by a dustproof plate (12). The first support plate (13) is provided with a motor (15). The bottom of the motor (15) is provided with a rotating grinding blade (16). The bottom of the first support plate (13) is provided with a splash-proof plate (17).

5. A knife-grinding device according to claim 4, characterized in that, A fixing screw is provided between the second support plate (14) and the slider (5). A fixing frame (18) is provided on the second support plate (14). A speed regulating frame (19) is folded at the end of the fixing frame (18). A speed regulator (20) is provided on the speed regulating frame (19). The speed regulator (20) is electrically connected to the motor (15).

6. A knife-grinding device according to claim 5, characterized in that, The cooling assembly includes a cooling water tank (21), a water outlet pipe (22) is provided on the cooling water tank (21), a water outlet valve (25) is provided on the water outlet pipe (22), a curved pipe (23) is provided on the water outlet valve (25), and the end of the curved pipe (23) is located above the tool being sharpened (3). The cooling water tank (21) is positioned higher than the support frame (1).

7. A knife-grinding device according to claim 6, characterized in that, The support frame (1) is provided with folding legs (24) at the bottom.