Circular knife sharpener capable of adjusting knife size

By designing a circular knife grinder with adjustable tool size, it is possible to flexibly adapt to tools of different shapes and angles, improve grinding efficiency and reduce water consumption, and solve the problems of high operation difficulty and time cost in existing technologies.

CN223848780UActive Publication Date: 2026-01-30JIANGSU HAIFANG INTELLIGENT MASCH CO LTD
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Patent Information

Application Number
CN202423270732.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2026-01-30
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

Existing circular knife sharpeners cannot flexibly adapt to knives of different shapes and angles, leading to increased operational difficulty and time costs.

Method used

An adjustable-size circular knife grinder was designed. The circular knife body is driven to rotate by a motor, the angle and position of the grinding wheel are adjusted by a sliding plate, and a water circulation system is used for cooling, so as to achieve multi-angle adjustment and efficient grinding.

Benefits of technology

It improves the adaptability and production efficiency of the grinding machine, reduces setup time, lowers water consumption, and ensures grinding quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of grinding, and discloses a circular knife sharpener capable of adjusting the size of a knife, which comprises a bottom plate, the top of the bottom plate is fixedly connected with a placing table, the top of the placing table is fixedly connected with a rotating assembly, the rotating assembly is rotatably connected with a circular knife main body, and the circular knife main body is fixedly connected with the placing table. A fixing assembly is rotatably connected to the interior of the circular knife body, an operation table is fixedly connected to the top of the bottom plate, a sliding rail is fixedly connected to the top of the operation table, a sliding plate is slidably connected to the outer portion of the sliding rail, a limiting column is fixedly connected to the interior of the sliding plate, and a disc is fixedly connected to the top of the sliding plate. According to the knife sharpener, the grinding wheel can be mounted and dismounted through the internal threads, the knife sharpener can adapt to knives of different types and different sizes due to the adjustable grinding angle, the most appropriate grinding angle can be rapidly adjusted and selected, and therefore the adjusting time is saved, and the overall production efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to grinding technical field especially relates to a round knife sharpener of adjustable tool size. BACKGROUND

[0002] In lathe and milling machine and other mechanical processing, the grinding and adjustment of round tool are very important, the round knife sharpener of adjustable tool size can provide accurate grinding, is suitable for various sizes and specifications of tool, whether it is small mechanical processing or large custom tool grinding, can be effectively handled through this equipment, improves production efficiency.

[0003] The structure of the round knife sharpener of adjustable tool size includes slide rail, limiting column, disc, grinding wheel and the like, and the working principle of the round knife sharpener of adjustable tool size is to adjust the angle of the sharpener to adapt to round knives of different sizes and shapes, accurately grind the tool, and efficiently restore the sharpness of the tool by accurately adjusting the speed and angle of the grinding head, and ensure that the size and shape of the tool meet the requirements.

[0004] In the prior art, the round knife sharpener is a common tool for grinding and trimming tools in some tool grinding equipment, and the existing round knife sharpener can only frequently replace the grinding wheel to adapt to grinding tools of various sizes, and cannot be adjusted at multiple angles, which leads to the inability to flexibly adapt to grinding tools of different shapes and angles, increasing the operation difficulty and time cost. UTILITY MODEL CONTENTS

[0005] The round knife sharpener of adjustable tool size is proposed to improve the problem that some devices in the prior art cannot replace the grinding wheel of the sharpener and adjust the multiple angles.

[0006] To achieve the above object, the utility model provides the following technical scheme.

[0007] A round knife sharpener of adjustable tool size includes a bottom plate, a placement table fixedly connected to the top of the bottom plate, a rotating assembly fixedly connected to the top of the placement table, a round knife main body rotatably connected to the rotating assembly, a fixing assembly rotatably connected to the inside of the round knife main body, an operation table fixedly connected to the top of the bottom plate, a slide rail fixedly connected to the top of the operation table, a sliding plate slidably connected to the outside of the slide rail, a limiting column fixedly connected to the inside of the sliding plate, a disc fixedly connected to the top of the sliding plate, a limiting rod fixedly connected to the inside of the disc, a driving assembly fixedly connected to the top of the disc, a short screw rod fixedly connected to the driving assembly, and a grinding wheel threadedly connected to the outside of the short screw rod.

[0008] As a further description of the above technical solution:

[0009] The rotating assembly comprises a motor one and an output shaft one, the bottom of the motor one is fixedly connected to the top of the placing table, and the rear side of the output shaft one is fixedly connected to the front side of the motor one.

[0010] As a further description of the above technical solution:

[0011] The fixing assembly comprises a fixing disc, a long screw rod and a nut, the rear side of the fixing disc is fixedly connected to the front side of the circular knife main body, the rear side of the long screw rod is fixedly connected to the front side of the output shaft one, and the inside of the nut is threadedly connected to the outside of the long screw rod.

[0012] As a further description of the above technical solution:

[0013] The driving assembly comprises a motor two and an output shaft two, the bottom of the motor two is fixedly connected to the top of the disc, and the rear side of the output shaft two is fixedly connected to the front side of the motor two.

[0014] As a further description of the above technical solution:

[0015] The top of the bottom plate is fixedly connected with a water storage tank, the rear side of the water storage tank is fixedly connected with a water outlet pipe, the outside of the water outlet pipe is fixedly connected with a supporting rod, the top of the bottom plate is fixedly connected with a water receiving tank, the inside of the water receiving tank is fixedly connected with a filter frame, and the right side of the water receiving tank is fixedly connected with a water circulation assembly.

[0016] As a further description of the above technical solution:

[0017] The water circulation assembly comprises a circulation pipe and a circulation pump, one end of the circulation pipe is fixedly connected to the right side of the water receiving tank, the other end of the circulation pipe is fixedly connected to the front side of the water storage tank, and the inside of the circulation pump is fixedly connected to the outside of the circulation pipe.

[0018] As a further description of the above technical solution:

[0019] The bottom of the supporting rod is fixedly connected to the top of the placing table, the right side of the water receiving tank is fixedly connected to the left side of the placing table, and the right side of the operation table is fixedly connected to the left side of the water receiving tank.

[0020] As a further description of the above technical solution:

[0021] The left side of the water storage tank is fixedly connected to the right side of the placing table, and the bottom of the sliding plate is slidingly connected to the top of the operation table.

[0022] The utility model has the advantages of the following:

[0023] 1. The utility model discloses a motor one drives the circular knife main part that needs to be ground to rotate, and the sliding plate on the top of operation platform can slide freely left and right, and the disc can convert multiple angles, and the grinding angle of the grinding wheel is adjusted, and the grinding wheel can be installed and disassembled through the internal screw thread, and the adjustable grinding angle makes the knife sharpener can adapt to different kinds and different size cutters, can quickly adjust and select the most suitable grinding angle, thereby save the adjustment time, and improve the overall production efficiency.

[0024] 2. The utility model discloses a water outlet pipe extracts water source from the water storage tank and sprays in the process of grinding operation, and the water source falls into the water receiving tank through the filter frame and enters the water storage tank again from the circulating water pipe through the circulating pump, water cooling can effectively reduce the temperature of the cutter and the grinding tool, and the metal chips and grinding dust generated in the grinding process are taken away, through the water collection, filtration and recycling mechanism, the wastewater can be reused after being treated, thereby reducing the consumption of water resources. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a perspective view of the circular knife sharpener of adjustable cutter size that the utility model proposes;

[0026] Figure 2 It is the structure schematic view of the bottom plate of the circular knife sharpener of adjustable cutter size that the utility model proposes;

[0027] Figure 3 It is Figure 2 the enlarged view of A in the middle;

[0028] Figure 4 It is Figure 2 the enlarged view of B in the middle;

[0029] Figure 5 It is the structure schematic view of the water receiving tank of the circular knife sharpener of adjustable cutter size that the utility model proposes.

[0030] LEGEND:

[0031] 1, bottom plate;2, place the table;3, motor one;4, output shaft one;5, circular knife main part;6, fixed disc;7, long screw;8, nut;9, operation platform;10, slide rail;11, sliding plate;12, limit post;13, disc;14, limit rod;15, motor two;16, output shaft two;17, short screw;18, grinding wheel;19, water storage tank;20, water outlet pipe;21, support rod;22, water receiving tank;23, filter frame;24, circulating pipe;25, circulating pump. DETAILED DESCRIPTION

[0032] 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, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0033] Referring to Figure 1 , Figure 3 , Figure 4 An embodiment provided by the utility model: a circular knife grinder capable of adjusting the size of a knife, comprising a bottom plate 1, the bottom plate 1 is the basic support structure of the equipment, providing stable bottom support, the top of the bottom plate 1 is fixedly connected with a placing table 2, the placing table 2 provides a support platform for placing and fixing a rotating assembly, the top of the placing table 2 is fixedly connected with a rotating assembly, the rotating assembly is used for grinding by rotating a circular knife main body 5, the rotating assembly comprises a motor one 3 and an output shaft one 4, the bottom of the motor one 3 is fixedly connected to the top of the placing table 2, the motor one 3 provides a power source, the rear side of the output shaft one 4 is fixedly connected to the front side of the motor one 3, and the output shaft one 4 is connected with the motor one 3 to transmit power to the circular knife main body 5;

[0034] The rotating assembly is rotatably connected with the circular knife main body 5, the circular knife main body 5 is connected to the rotating assembly and is driven to rotate by the output shaft one 4, so that the grinding operation of the circular knife main body 5 is carried out, the inside of the circular knife main body 5 is rotatably connected with a fixing assembly, the fixing assembly comprises a fixing disc 6, a long screw rod 7 and a nut 8, the rear side of the fixing disc 6 is fixedly connected to the front side of the circular knife main body 5, is fixed to the front side of the circular knife main body 5 and is used for keeping the circular knife main body 5 stable, the rear side of the long screw rod 7 is fixedly connected to the front side of the output shaft one 4, the long screw rod 7 is used for being screwed into the nut 8, the inside of the nut 8 is threadedly connected to the outside of the long screw rod 7, and the further reinforcement of the circular knife main body 5 by the nut 8 makes the circular knife main body 5 not fall off and shake during rotation;

[0035] The top of the bottom plate 1 is fixedly connected with an operation table 9, the operation table 9 is used for placing a mechanism for grinding the circular knife main body 5, the top of the operation table 9 is fixedly connected with a sliding rail 10, the outside of the sliding rail 10 is slidingly connected with a sliding plate 11, the sliding plate 11 slides on the top of the operation table 9 through the sliding rail 10, the position of a grinding wheel 18 can be accurately adjusted, the grinding precision is ensured, different sizes of the circular knife main body 5 can be ground, the inside of the sliding plate 11 is fixedly connected with a limiting column 12, the limiting column 12 is used for limiting the movement range of the sliding plate 11, after the sliding plate 11 slides to a desired position, the limiting column 12 is inserted into a plurality of limiting grooves formed in the operation table 9 to be fixed, the top of the sliding plate 11 is fixedly connected with a disc 13, and the disc 13 can rotate in the inside of the sliding plate 11;

[0036] The inner part of the disc 13 is fixedly connected with a limiting rod 14, which is inserted into the plurality of limiting grooves formed on the disc 13 to limit the rotation of the disc 13 after the disc 13 is rotated to the required position. The top of the disc 13 is fixedly connected with a driving assembly, which is used to drive the rotation of the grinding wheel 18 to perform grinding work on the circular knife body 5. The driving assembly includes a second motor 15 and a second output shaft 16. The bottom of the second motor 15 is fixedly connected to the top of the disc 13. The second motor 15 outputs power. The rear side of the second output shaft 16 is fixedly connected to the front side of the second motor 15. The output shaft outputs power to drive the rotation of the grinding wheel 18, which is fixedly connected to the outer side of the short screw rod 17. The driving assembly is fixedly connected with the short screw rod 17, which is used to fix the grinding wheel 18 outside. The outer side of the short screw rod 17 is threadedly connected with the grinding wheel 18. The grinding wheel 18 rotates under the drive of the motor and is used for fine grinding of the tool.

[0037] Referring to Figure 2 , Figure 5 , the top of the bottom plate 1 is fixedly connected with a water storage tank 19, which is used to store cooling water. The rear side of the water storage tank 19 is fixedly connected with a water outlet pipe 20, which introduces water into the working area of the knife sharpener. The outer side of the water outlet pipe 20 is fixedly connected with a support rod 21, which supports the water outlet pipe 20 on the placement table 2. The top of the bottom plate 1 is fixedly connected with a water receiving tank 22. The inner part of the water receiving tank 22 is fixedly connected with a filter frame 23. The water receiving tank 22 is used to receive the backflow of water and remove impurities through the filter frame 23. The right side of the water receiving tank 22 is fixedly connected with a water circulation assembly, which is used to recycle the used water. The water circulation assembly includes a circulation pipe 24 and a circulation pump 25. One end of the circulation pipe 24 is fixedly connected to the right side of the water receiving tank 22. During the grinding process, the used water enters the water receiving tank 22 through the filter frame 23, is then extracted by the circulation pump 25 into the circulation pipe 24, and is then recycled into the water tank from the circulation pipe 24. The other end of the circulation pipe 24 is fixedly connected to the front side of the water storage tank 19. The inner part of the circulation pump 25 is fixedly connected to the outer part of the circulation pipe 24.

[0038] Referring to Figure 3 , Figure 4 , Figure 5 , the bottom of the support rod 21 is fixedly connected to the top of the placement table 2. The right side of the water receiving tank 22 is fixedly connected to the left side of the placement table 2. The right side of the operation table 9 is fixedly connected to the left side of the water receiving tank 22. The left side of the water storage tank 19 is fixedly connected to the right side of the placement table 2. The bottom of the sliding plate 11 is slidingly connected to the top of the operation table 9.

[0039] Working principle: the motor 3 on the placement table 2 drives the output shaft 4 to rotate, and then drives the circular knife body 5 to rotate, the circular knife body 5 is clamped by the front fixed disc 6, the nut 8 is screwed into the inside of the long screw rod 7, and the circular knife body 5 is firmly fixed, so that it is stable during rotation, during the grinding operation, the sliding plate 11 slides outside the slide rail 10, adjusts the position, so as to accurately adjust the left and right distance between the grinding wheel 18 and the circular knife body 5, so as to adapt to different sizes of knives, the limiting column 12 of the sliding plate 11 ensures the control of the sliding range, and is fixed by inserting the limiting column 12 into the limiting slot in the operation table 9 after reaching the ideal position, at the same time, the disc 13 is installed on the sliding plate 11 and can rotate to facilitate the angle adjustment of the grinding wheel 18, after the angle adjustment is completed, the limiting rod 14 is inserted into the limiting slot in the disc 13 to be fixed, the motor 15 drives the grinding wheel 18 connected outside the short screw rod 17 to rotate through the output shaft 16, so as to finely grind the circular knife body 5.

[0040] In order to ensure the cooling of the grinding process, the water storage tank 19 provides cooling water, the supporting rod 21 fixes the water outlet pipe 20 on the top of the placement table 2, introduces the working area through the water outlet pipe 20, keeps the temperature of the knife and the grinding wheel 18 stable, and the used water enters the water tank 22 through the filter frame 23, and is extracted through the circulating pump 25 after removing impurities, enters the circulating pipe 24, and returns to the water storage tank 19, realizing the recycling of water, the working process of the whole knife sharpener is efficient and environmentally friendly, which can ensure the grinding quality while reducing the waste of water resources.

[0041] Finally, it should be pointed out that: the above only for the preferred embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical scheme recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. An adjustable knife size round knife sharpener comprising a base plate (1) characterised in that: The top of the bottom plate (1) is fixedly connected with a placing table (2), the top of the placing table (2) is fixedly connected with a rotating assembly, the rotating assembly is rotatably connected with a circular knife body (5), the inside of the circular knife body (5) is rotatably connected with a fixing assembly, the top of the bottom plate (1) is fixedly connected with an operation table (9), the top of the operation table (9) is fixedly connected with a sliding rail (10), the outside of the sliding rail (10) is slidably connected with a sliding plate (11), the inside of the sliding plate (11) is fixedly connected with a limiting column (12), the top of the sliding plate (11) is fixedly connected with a disc (13), the inside of the disc (13) is fixedly connected with a limiting rod (14), the top of the disc (13) is fixedly connected with a driving assembly, the driving assembly is fixedly connected with a short screw rod (17), the outside of the short screw rod (17) is threadedly connected with a grinding wheel (18).

2. A circular knife sharpener for adjustable knife sizes as claimed in claim 1, wherein: The rotating assembly comprises a motor one (3) and an output shaft one (4), the bottom of the motor one (3) is fixedly connected to the top of the placing table (2), and the rear side of the output shaft one (4) is fixedly connected to the front side of the motor one (3).

3. A circular knife sharpener for adjustable knife sizes as claimed in claim 2, wherein: The fixing assembly comprises a fixed disc (6), a long screw rod (7) and a nut (8), the rear side of the fixed disc (6) is fixedly connected to the front side of the circular knife body (5), the rear side of the long screw rod (7) is fixedly connected to the front side of the output shaft one (4), and the inside of the nut (8) is threadedly connected to the outside of the long screw rod (7).

4. A circular knife sharpener for adjustable knife sizes as claimed in claim 1, wherein: The driving assembly comprises a motor two (15) and an output shaft two (16), the bottom of the motor two (15) is fixedly connected to the top of the disc (13), and the rear side of the output shaft two (16) is fixedly connected to the front side of the motor two (15).

5. An adjustable circular knife sizer as defined in claim 1, wherein: The top of the bottom plate (1) is fixedly connected with a water storage tank (19), the rear side of the water storage tank (19) is fixedly connected with a water outlet pipe (20), the outside of the water outlet pipe (20) is fixedly connected with a supporting rod (21), the top of the bottom plate (1) is fixedly connected with a water receiving tank (22), the inside of the water receiving tank (22) is fixedly connected with a filter frame (23), and the right side of the water receiving tank (22) is fixedly connected with a water circulation assembly.

6. A circular knife sharpener for adjustable knife sizes as claimed in claim 5, wherein: The water circulation assembly comprises a circulation pipe (24) and a circulation pump (25), one end of the circulation pipe (24) is fixedly connected to the right side of the water receiving tank (22), the other end of the circulation pipe (24) is fixedly connected to the front side of the water storage tank (19), and the inside of the circulation pump (25) is fixedly connected to the outside of the circulation pipe (24).

7. An adjustable circular knife sizer as claimed in claim 5 wherein: The bottom of the supporting rod (21) is fixedly connected to the top of the placing table (2), the right side of the water receiving tank (22) is fixedly connected to the left side of the placing table (2), and the right side of the operation table (9) is fixedly connected to the left side of the water receiving tank (22).

8. An adjustable knife size circular knife sharpener according to claim 5, wherein: The left side of the water storage tank (19) is fixedly connected to the right side of the placing table (2), and the bottom of the sliding plate (11) is slidably connected to the top of the operation table (9).