Knife sharpening auxiliary structure and knife sharpening device

Abstract

The utility model relates to a knife sharpening auxiliary structure and a knife sharpening device, and belongs to the technical field of knife sharpeners. The cutter placing table comprises a base and limiting assemblies arranged on the base left and right, the limiting assemblies are symmetrically located on the two sides of the base, each limiting assembly comprises a first limiting plate and a second limiting plate, and a limiting gap used for limiting a cutting edge is formed between the first limiting plate and the second limiting plate which are parallel to each other; the first limiting plate and the second limiting plate incline downwards towards the center point of the base. The utility model provides a knife sharpening auxiliary structure and a knife sharpening device, which ensure that the grinding angle is accurate and consistent through an inclined limiting plate and improve the grinding quality. The two faces of the knife stone assembly are different in roughness, coarse grinding and accurate grinding can be rapidly switched, and the grinding efficiency is improved. And the cutter placing table and the fixing seat are quickly disassembled and assembled, and the universality is high. The overturning assembly is ingenious in design, it is guaranteed that the knife stone is overturned flexibly and stably, user experience is optimized, the cutting edge is evenly ground through the two-way sliding design, and the knife connecting trace is eliminated.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of auxiliary structure and knife grinder of grinding, belong to the technical field of knife grinder. BACKGROUND

[0002] Knife grinder is used to restore the sharpness of cutting edge by grinding tool (such as kitchen knife, chopping knife, etc.). During the long-term use of the tool, the cutting edge will be gradually blunted due to frequent cutting and chopping, resulting in a decrease in use efficiency. Therefore, the cutting edge needs to be ground regularly by the knife grinder. The traditional knife grinder usually includes a tool placing structure and a grinding stone assembly. Its core function is to grind the cutting edge by the relative movement between the tool and the grinding stone. However, with the diversification of tools (such as kitchen knives, outdoor knives, etc.), there are significant differences in the requirements for grinding angle and polishing precision for different tools. The existing knife grinder gradually exposes many deficiencies in structure design and function implementation.

[0003] The traditional knife grinder relies on manual adjustment of the angle of the tool held by the user, which cannot guarantee the consistency of the included angle between the tool and the grinding stone during each grinding. The angle deviation will cause uneven polishing of the cutting edge, and even local over-grinding or under-grinding problems, which seriously affect the grinding quality. Moreover, the grinding stone of the existing knife grinder usually only has a single roughness surface, or although it has double sides, it needs to be disassembled and replaced to switch between coarse grinding and fine grinding, which is complicated and time-consuming. SUMMARY

[0004] The utility model provides a kind of auxiliary structure and knife grinder of grinding to solve the problem of grinding angle difficult to accurately control in prior art, grinding stone function single and inconvenient replacement.

[0005] The utility model provides a kind of auxiliary structure and knife grinder of grinding, and the tool placing table thereof includes base, left and right limit components arranged on the base, the limit component is fixedly connected on the base, and the limit component is symmetrically located on both sides of the base, the limit component includes first limit plate, second limit plate, the limit gap for limiting cutting edge is between the first limit plate and the second limit plate and is parallel to each other, and the first limit plate and the second limit plate are both inclined downward towards the center point of the base.

[0006] Preferably, the first limit plate and the second limit plate are fixedly connected between the base.

[0007] Preferably, the inner side of the bottom of the base at both ends is provided with a first fixed block fixedly connected.

[0008] A kind of knife grinder includes a grinding assembly and a tool placing table, the grinding assembly includes a fixed seat and a grinding stone assembly, the fixed seat is provided with a cavity corresponding to the grinding stone assembly, and the grinding stone assembly is located in the cavity and is turned over by being provided with a turnover assembly.

[0009] Preferably, the turning assembly is fixedly connected between the two ends of the whetstone assembly and the whetstone assembly, and the two surfaces of the whetstone assembly have different roughness.

[0010] Preferably, the turning assembly comprises a rotating shaft, a turning cap and a limiting plate, the fixed seat is provided with a through hole corresponding to the rotating shaft, and the rotating shaft penetrates the through hole and moves up and down in the through hole.

[0011] Preferably, the turning cap is fixedly connected between the end of the rotating shaft away from the whetstone assembly and the rotating shaft, and the turning cap is provided with a support rod fixedly connected thereto.

[0012] Preferably, the two ends of the fixed seat are provided with bosses corresponding to the support rod, and the support rod is located below the bosses.

[0013] Preferably, the two ends of the cavity are provided with notches corresponding to the limiting plate, the limiting plate is located inside the notches and connected with the bottom of the cavity through the spring, and the rotating shaft is fixedly connected between the bottom of the limiting plate and the turning cap.

[0014] Preferably, the fixed seat is provided with a sliding groove corresponding to the cutter placing table, and the cutter placing table slides on the fixed seat along the sliding groove.

[0015] The utility model discloses the beneficial effect that:

[0016] The utility model provides a kind of whetting auxiliary structure and whetting device, which provides fixed grinding angle for tool by the inclination structure of first limiting plate and second limiting plate, eliminates the problem of angle inconsistency when manual grinding, ensures the included angle between tool and whetting stone accurate and consistent when grinding each time, so as to improve grinding quality and effect, the two surfaces of whetting stone assembly have different roughness, can easily switch grinding surface by turning assembly, realize the quick conversion of rough grinding and fine grinding, avoid the trouble of frequently replacing whetting stone, significantly improve grinding efficiency. At the same time, the cutter placing table is quickly disassembled by the first fixed block of bottom and the sliding groove on fixed seat, users can easily replace whetting auxiliary structure of different angles, improve the versatility and flexibility of equipment, turning assembly makes whetting stone assembly can be automatically pressed down during turning process, avoid interference with cutter placing table, after turning is completed, it can also be automatically reset and fixed, both ensure the turning flexibility of whetting stone assembly, and also ensure the stability when grinding, optimize user experience, by sliding cutter placing table, tool slides back and forth in the gap between first limiting plate and second limiting plate, can realize uniform grinding of different positions of blade edge. Bidirectional sliding design can cover the full length of blade edge, effectively eliminate the joint mark, so that blade edge is more sharp and uniform. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is an auxiliary structure of grinding a knife and a schematic diagram of the overall structure of the grinding device of the utility model.

[0018] Figure 2 It is an auxiliary structure of grinding a knife and a schematic diagram of the overall structure of the grinding device of the utility model.

[0019] Figure 3 It is an auxiliary structure of grinding a knife and a schematic diagram of the overall structure of the grinding device of the utility model.

[0020] Figure 4 It is an auxiliary structure of grinding a knife and a schematic diagram of the overall structure of the grinding device of the utility model.

[0021] Figure 5 It is an auxiliary structure of grinding a knife and a schematic diagram of the overall structure of the grinding device of the utility model.

[0022] In the figure: 1, knife placing table, 11, base, 111, first fixed block, 12, limiting assembly, 121, first limiting plate, 122, second limiting plate, 2, grinding assembly, 21, fixed seat, 211, boss, 212, notch, 213, sliding groove, 22, grinding stone assembly, 23, turnover assembly, 231, rotating shaft, 232, turnover cap, 2321, support rod, 233, limiting plate, 2331, spring, 2332, second fixed block. DETAILED DESCRIPTION

[0023] The preferred embodiments of the utility model will be described in detail below with reference to the drawings. The utility model provides an auxiliary structure of grinding a knife and a grinding device, which comprises a knife placing table 1, wherein the knife placing table 1 comprises a base 11 and a limiting assembly 12, wherein the base 11 is fixedly connected between the limiting assembly 12 at both ends, the inner side bottom of the base 11 at both ends is provided with a first fixed block 111 fixedly connected, the limiting assembly 12 comprises a first limiting plate 121 and a second limiting plate 122, the first limiting plate 121 and the second limiting plate 122 are symmetrically arranged on both sides of the base 11 respectively, the first limiting plate 121 and the second limiting plate 122 are fixedly connected between both ends and the base 11, the first limiting plate 121 and the second limiting plate 122 are designed to be inclined downward, the first limiting plate 121 and the second limiting plate 122 are parallel to each other, and there is a gap between the first limiting plate 121 and the second limiting plate 122;

[0024] Also include the knife sharpening assembly 2, the knife sharpening assembly 2 includes fixed seat 21, knife sharpening stone assembly 22, fixed seat 21 is provided with the cavity corresponding to the knife sharpening stone assembly 22, the knife sharpening stone assembly 22 is located in the cavity between fixed seat 21 and is connected through being provided with turnover assembly 23, the knife sharpening stone assembly 22 is turned over in the cavity through turnover assembly 23, the knife sharpening stone assembly 22 two sides roughness is different;

[0025] Turnover assembly 23 includes pivot shaft 231, turnover cap 232, limiting plate 233, fixed seat 21 both ends are provided with the through hole corresponding to pivot shaft 231, pivot shaft 231 is fixedly connected between the both ends of knife sharpening stone assembly 22 and knife sharpening stone assembly 22 and extends to the outside of both ends of fixed seat 21 through the through hole, pivot shaft 231 can move up and down in the through hole, the through hole can be a waist type hole, turnover cap 232 is located at the end of pivot shaft 231 away from knife sharpening stone assembly 22 and is fixedly connected between pivot shaft 231, turnover cap 232 is provided with support rod 2321 corresponding to fixed seat 21, support rod 2321 is fixedly connected between turnover cap 232, fixed seat 21 top both sides are provided with the boss 211 extending to both sides and corresponding with support rod 2321, support rod 2321 is located below boss 211;

[0026] Fixed seat 21 top cavity both ends are provided with the notch 212 corresponding to limiting plate 233, limiting plate 233 is located in the both ends notch 212 inside and is connected between the cavity bottom through being provided with spring 2331, limiting plate 233 bottom is provided with the second fixed block 2332 of fixed connection, pivot shaft 231 is fixedly connected between second fixed block 2332 and turnover cap 232 through the second fixed block 2332;

[0027] Fixed seat 21 is provided with the sliding groove 213 corresponding to the first fixed block 111 of the bottom both sides of tool placing table 1, tool placing table 1 is slid left and right along sliding groove 213 through first fixed block 111.

[0028] In use, the knife sharpening device is provided with a plurality of matched knife sharpening auxiliary structures, the inclination angles of the first limiting plate 121 and the second limiting plate 122 between the plurality of knife sharpening auxiliary structures are different, a plurality of replaceable knife sharpening auxiliary structures provide different inclination angles, adapt to different knife requirements, select the knife rest 1 with the appropriate inclination angle of the first limiting plate 121 and the second limiting plate 122, clamp the first fixed block 111 at the bottom of the knife rest 1 in the sliding groove 213 on the fixed seat 21, so that the knife rest 1 can slide in the left and right directions along the sliding groove 213, rotate the flip cap 232, so that the flip cap 232 drives the knife stone assembly 22 to flip through the rotating shaft 231, so as to select the surface with appropriate roughness to realize coarse grinding and fine grinding of the knife, wherein in the process of being driven to flip by the flip cap 232, the flip cap 232 synchronously drives the supporting rod 2321 to rotate, the supporting rod 2321 is in contact with the bottom of the boss 211 on the top of the fixed seat 21, the boss 211 extrudes the supporting rod 2321, so that the flip assembly 23 and the knife stone assembly 22 move downward, ensuring that the knife stone assembly 22 does not interfere with the bottom of the knife rest 1 during flipping, after the knife stone assembly 22 is flipped, the limiting plate 233 drives the rotating shaft 231 and the knife stone assembly 22 to move upward under the action of the spring 2331, and reset, the supporting rod 2321 returns to the initial state and is located horizontally at the bottom of the boss 211 to limit and fix the knife stone assembly 22, one end of the blade to be polished is inserted into the gap between the first limiting plate 121 and the second limiting plate 122, and the surface of the knife is in close contact with the surface of the first limiting plate 121. Because the first limiting plate 121 is designed to be inclined, a fixed knife grinding angle is formed between the knife and the knife stone assembly 22, ensuring the consistency of the grinding angle each time, the base 11 is located at one end of the fixed seat 21, the knife rest 1 is slid to the other end of the fixed seat 21 by the knife to polish the blade, and the knife is slid forward and backward in the gap between the first limiting plate 121 and the second limiting plate 122 during the sliding process, so as to polish different positions of the blade, after the knife rest 1 moves to the other end of the fixed seat 21, the knife is placed in the gap between the first limiting plate 121 and the second limiting plate 122 on the opposite surface, and the above operation is repeated to polish the other blade of the knife. Repeat the above steps several times to complete the polishing of the knife. Cover the entire length of the blade through bidirectional sliding to eliminate the knife mark.

[0029] Compared with the prior design, by designing multiple matched grinding tool auxiliary structures, the first limiting plate 121 and the second limiting plate 122 of each structure have different inclination angles, which can adapt to the grinding requirements of different tools, so that the user can select the appropriate inclination angle according to the type of the tool, ensure that the included angle between the tool and the grinding stone assembly 22 during grinding is accurate and consistent, thereby improving the grinding effect, the inclination design of the first limiting plate 121 and the second limiting plate 122 makes the tool form a fixed grinding included angle with the grinding stone assembly 22 during grinding, eliminates the problem of inconsistent angles during manual grinding, ensures that the angle of each grinding is accurate and consistent, thereby improving the grinding quality, the tool placing table 1 is quickly disassembled through the first fixing block 111 at the bottom and the sliding groove 213 on the fixed seat 21, so that the user can easily replace the grinding tool auxiliary structure with different angles, improve the versatility and flexibility of the equipment, the two sides of the grinding stone assembly 22 have different roughness, which can be switched by the overturning assembly 23 to realize the quick conversion of rough grinding and fine grinding, avoid the trouble of frequent replacement of grinding stones, and improve the grinding efficiency, the shaft 231 penetrates through the through hole of the fixed seat 21 and is manually overturned through the overturning cap 232, the support rod 2321 on the overturning cap 232 is matched with the boss 211 at the top of the fixed seat 21, and the automatic pressing of the grinding stone assembly 22 is realized during the overturning process, so that interference with the tool placing table 1 is avoided, after overturning is completed, the spring 2331 pushes the limiting plate 233 to reset, the support rod 2321 is re-clamped below the boss 211, and the fixing of the grinding stone assembly 22 is realized, which ensures the overturning flexibility of the grinding stone assembly 22 and also ensures the stability during grinding, the limiting plate 233 is automatically reset through the spring 2331, so that the grinding stone assembly 22 can quickly return to the initial position after overturning, and the tool is slid forward and backward in the gap between the first limiting plate 121 and the second limiting plate 122 by sliding the tool placing table 1, so that the tool edge is uniformly ground at different positions, and the bidirectional sliding design can cover the full length of the tool edge, eliminate the tool joint marks, and make the tool edge more sharp and uniform.

[0030] The above describes the present application and its embodiments, which are not restrictive, and the drawings only show one of the embodiments of the present application, and the actual structure is not limited thereto. In general, if a person skilled in the art is inspired thereby, without departing from the creative purpose of the present application, similar structural modes and embodiments can be designed without creativity, which should belong to the protection scope of the present application.

Claims

1. A sharpening aid structure comprising a knife rest, characterized by, The cutter placing table comprises a base, left and right limiting assemblies arranged on the base, the limiting assemblies are fixedly connected to the base, the limiting assemblies are symmetrically arranged on both sides of the base, the limiting assemblies comprise first limiting plates and second limiting plates, the first limiting plates and the second limiting plates are parallel to each other and have limiting gaps for limiting the cutting edges, and the first limiting plates and the second limiting plates are inclined downward toward the center point of the base.

2. The sharpening aid structure of claim 1, wherein The first limiting plates and the second limiting plates are fixedly connected to the base.

3. The sharpening aid of claim 1, wherein: First fixing blocks are fixedly connected to the inner sides of the bottom of the base at both ends.

4. A sharpening device characterized by The application further relates to a knife sharpening assembly comprising the cutter placing table and the knife sharpening assembly, the knife sharpening assembly comprises a fixing seat and a knife sharpening stone assembly, the fixing seat is provided with cavities corresponding to the knife sharpening stone assembly, and the knife sharpening stone assembly is located in the cavities and is turned over through a turning-over assembly. The turning-over assembly is fixedly connected between the two ends of the knife sharpening stone assembly and the knife sharpening stone assembly, and the two surfaces of the knife sharpening stone assembly have different roughnesses.

5. A device as claimed in claim 4, wherein the abrasive surface is a diamond wheel. The turning-over assembly comprises a rotating shaft, a turning-over cap and a limiting plate, the fixing seat is provided with through holes corresponding to the rotating shaft, the rotating shaft penetrates the through holes and moves up and down in the through holes.

6. A device as claimed in claim 4, wherein the abrasive surface is a diamond coated surface. The turning-over cap is fixedly connected to the end of the rotating shaft away from the knife sharpening stone assembly, and the turning-over cap is provided with a support rod fixedly connected thereto.

7. A device as claimed in claim 6, wherein the abrasive surface is a diamond wheel. The fixing seat is provided with bosses corresponding to the support rod at both ends, and the support rod is located below the bosses.

8. A device as claimed in claim 7, wherein the abrasive surface is a diamond wheel. The cavities are provided with notches corresponding to the limiting plates at both ends, the limiting plates are located in the notches and are connected to the bottoms of the cavities through springs, and the rotating shaft is fixedly connected between the bottoms of the limiting plates and the turning-over cap.

9. A device as claimed in claim 6, wherein The fixing seat is provided with a sliding groove corresponding to the cutter placing table, and the cutter placing table slides on the fixing seat along the sliding groove.

10. A device as claimed in claim 4, wherein ​

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