CN220575640U - Auxiliary tool for sharpening, sharpening device and tool set - Google Patents

Abstract

The utility model provides a sharpening auxiliary tool, a sharpening device and a cutter set, wherein the sharpening auxiliary tool comprises a base, a clamping mechanism, a swinging arm mechanism and a clamping mechanism, the clamping mechanism is arranged on the base and provided with a clamping accommodating position, the swinging arm mechanism is arranged on the base and provided with a swinging tail end, the swinging tail end is positioned above the clamping mechanism, the clamping mechanism comprises a sliding rod, a fixed seat and a first locking piece, the sliding rod extends along the height direction of the sharpening auxiliary tool and is slidably connected with the swinging tail end, the sliding rod can be rotatably connected with the swinging tail end around the axis of the sliding rod, the fixed seat is rotatably connected with the first end of the sliding rod close to the clamping mechanism through the first locking piece, the rotation axis of the fixed seat is perpendicular to the height direction, and the swinging arm mechanism can assist in controlling the fixed seat to move relative to the clamping mechanism. The knife sharpening device is provided with the knife sharpening auxiliary tool, the knife suit comprises the knife sharpening device, and the knife sharpening auxiliary tool can improve the edge grinding effect of the knife.

Description

Auxiliary tool for sharpening, sharpening device and tool set

Technical Field

The utility model relates to the technical field of cutter grinding, in particular to a cutter sharpening auxiliary tool, a cutter sharpening device provided with the cutter sharpening auxiliary tool and a cutter set comprising the cutter sharpening device.

Background

The cutter is one of important cooking appliances for processing food materials in daily life of people; the cutting edge is used as a key part of the cutter, and can be dulled after being used for a period of time, so that the cutting effect of the cutting edge on food materials is affected. Thus, each time the knife is used for a period of time, the edge of the knife is sharpened by the sharpener.

However, the existing knife sharpening equipment has the following common defects:

when the blade of the knife is ground, the knife sharpener is usually placed on the table surface, then a user holds the knife and aligns the knife with the sharpening part of the knife sharpener in a certain angle range, and then the knife is pushed and pulled back and forth relative to the sharpening part, so that the sharpening part of the knife sharpener grinds the blade of the knife, and the blade becomes sharp. However, in the process that the blade is grinded, because the cutter is held by a user in the hand, the included angle between the blade and the grinding part of the knife sharpener is easy to change at all times due to the fact that the user pushes and pulls the cutter, and the user's hand can continuously shake back and forth in the process that the blade is grinded, so that the blade is easy to irregularly deform due to uneven stress and moment change of the grinding angle, the sharpening effect is greatly reduced, and the sharpness of the grinded blade is poor.

Disclosure of Invention

In order to solve the problems, the main purpose of the utility model is to provide a knife sharpening auxiliary tool capable of improving the edge grinding effect of a knife.

The utility model further aims to provide a knife sharpening device provided with the knife sharpening auxiliary tool.

It is a further object of the present utility model to provide a tool set provided with a sharpening device as described above.

In order to achieve the main purpose of the utility model, the utility model provides an auxiliary tool for sharpening, which comprises a base, a clamping mechanism, a swing arm mechanism and a clamping mechanism, wherein the clamping mechanism is arranged on the base, the clamping mechanism is provided with a clamping accommodating position, the swing arm mechanism is arranged on the base, the swing arm mechanism is provided with a swing tail end, the swing tail end is positioned above the clamping mechanism, the clamping mechanism comprises a slide bar, a fixed seat and a first locking piece, the slide bar extends along the height direction of the auxiliary tool for sharpening, the slide bar is slidably connected with the swing tail end in the height direction, the slide bar can be rotatably connected with the swing tail end around the axis of the slide bar, the fixed seat is rotatably connected with the first end of the slide bar close to the clamping mechanism through the first locking piece, the rotation axis of the fixed seat is perpendicular to the height direction, and the swing arm mechanism can assist in controlling the fixed seat to move relative to the clamping mechanism.

From the above, the clamping mechanism is used for fixing the knife stone so as to avoid the shift of the knife stone in the grinding process of the cutting edge of the cutter; the fixing seat is used for fixing the cutter, and the position of the fixing seat can be adjusted by the first locking piece so as to adjust the inclination angle of the cutter and ensure that the inclination angle of the cutter is always unchanged in the sharpening process; the sliding rod is slidably connected with the swinging tail end of the swinging arm mechanism, so that the auxiliary tool for sharpening can be suitable for cutters with different cutter body widths, and the application range of the auxiliary tool for sharpening is further enlarged; the swing arm mechanism is used for assisting a user to control the cutter to reciprocate relative to the knife stone, and then the clamping mechanism is matched to ensure that the grinding angle of the cutting edge of the cutter is stable and unchanged in the grinding process and the stress is uniform, so that the grinding effect of the cutting edge is improved, and the sharpness of the grinded cutting edge is high.

In a preferred scheme, the fixing seat is made of a strong magnetic material; the fixing base is provided with a first connecting part and a positioning part, the first connecting part is rotatably connected with the first end of the sliding rod through a first locking piece, the positioning part is L-shaped, and the positioning part is provided with a positioning section and a limiting section.

From the above, the fixing seat is made of strong magnetic materials, so that the fixing seat can adsorb and fix the cutter through magnetic force, further the problem that the cutter body is damaged when the cutter is fixed in a clamping mode is solved, and the cutter body is protected; the upper positioning section of the fixing seat is used for adsorbing and fixing the cutter body so that the cutter body is stably fixed on the fixing seat, and the limiting section is used for limiting the cutter and preventing the cutter from sliding relative to the fixing seat in the sharpening process.

The first end of the sliding rod is provided with a second connecting part; the first locking piece comprises a first adjusting knob and a first nut, a first screw rod of the first adjusting knob penetrates through the first connecting part and the second connecting part respectively, and the first nut is in threaded connection with the first screw rod; the second connecting portion is provided with a scale, the first connecting portion is provided with a pointer, and the pointer points to the scale.

From the above, the design makes the angle of the fixing seat more convenient and easy to operate without additional tools; the design of the scale on the second connecting part and the pointer on the first connecting part enables a user to clearly know the inclination angle of the cutter when the cutter is adsorbed and fixed on the fixing seat after the fixing seat is adjusted.

Still further, the swing arm mechanism includes stand, first swing arm and second swing arm, and the first end and the base of stand are connected, and the first end of first swing arm is articulated with the second end of stand, and the first end of second swing arm is articulated with the second end of first swing arm, and the second end of second swing arm is the swing end, and the articulated axis of second swing arm and first swing arm, the articulated axis of first swing arm and stand, the axle center of stand are parallel to each other.

From the above, through the design to swing arm mechanism for under swing arm mechanism's auxiliary action, the user can operate the cutter and steadily carry out reciprocating motion relative to the whetstone, and better prevent the cutting edge of cutter atress uneven in the grinding process.

Still further scheme is, fixture still includes spring spare and second retaining member, and the spring spare suit is on the slide bar, and the first end and the swing end connection of spring spare, second retaining member include lantern ring and second adjust knob, and the lantern ring suit is on the slide bar, and the second end and the lantern ring connection of spring spare, spring spare force slide bar back clamping mechanism to slide, and the second screw rod and the lantern ring threaded connection of second adjust knob, the terminal butt of second screw rod are on the slide bar.

Therefore, the cutter is not required to be manually lifted by a user when the cutter is dismounted from the fixed seat, so that the cutter is more convenient to dismount from the fixed seat; in addition, the cutter can be prevented from falling onto the knife stone or the table top in a non-sharpening state, so that the edge of the cutter and the knife stone or the table top are extruded and collide, the edge is prevented from being damaged, and the edge is prevented from tipping.

Another preferable scheme is that the base is provided with a clamping position; the clamping mechanism comprises a bottom plate, a limiting block, a sliding block and a third locking piece, wherein the bottom plate is detachably clamped in a clamping position, a through groove is formed in the bottom plate, the through groove extends along the length direction of the bottom plate, the through groove penetrates through the bottom plate in the height direction, the limiting block and the sliding block are distributed along the length direction, the limiting block is arranged on the bottom plate and located at one end of the bottom plate far away from the through groove, the sliding block is located at the through groove, the third locking piece comprises a third adjusting knob and a second nut, a third screw rod of the third adjusting knob penetrates through the sliding block and the through groove, the second nut is in threaded connection with the third screw rod, and a clamping accommodating position is formed among the bottom plate, the limiting block and the sliding block.

Therefore, the clamping mechanism can be disassembled and assembled relative to the base by the design, so that the clamping mechanism is convenient to clean, maintain, repair and replace; and through the design to clamping mechanism for clamping mechanism can be applicable to the whetstone of different size specifications, with the application scope of expanding the auxiliary fixtures that whets a knife.

In another preferred embodiment, a linear bearing is arranged between the swing end and the slide bar.

From the above, the arrangement of the linear bearing enables the sliding rod to slide and/or rotate relative to the swinging tail end better, so that the reliability of operation of the auxiliary tool for sharpening is improved, and the sharpening effect of the blade of the cutter is ensured.

Further, the base is provided with a water tank, and the clamping mechanism is positioned above the water tank.

Therefore, the water tank is arranged below the clamping mechanism, so that the water for wetting the knife stone and/or the knife in the sharpening process can be recovered by the water tank, and the environment around the sharpening auxiliary tool is prevented from being polluted by the water.

In order to achieve another object of the present utility model, the present utility model provides a sharpening device, including a sharpening stone, wherein the sharpening auxiliary tool further includes the sharpening auxiliary tool, and the sharpening stone is detachably mounted in the clamping accommodation position.

From the above, be provided with the knife sharpening device of above-mentioned auxiliary fixtures that whets a knife, it can adjust the inclination when the cutter is whetted a knife to guarantee at the sharpening in-process that the inclination of cutter remains unchanged, can also make the sharpening in-process simultaneously that the cutting edge of cutter can the atress even, with the grinding effect to the cutting edge that promotes, make the sharpness of cutting edge after grinding high.

In order to achieve the further object of the present utility model, the present utility model provides a tool set, which includes a tool, and is characterized by further comprising the knife sharpening device, wherein the fixing base can clamp and fix the tool.

From the above, the cutter suit provided with the knife sharpening device can adjust the inclination angle of the cutter during sharpening so as to ensure that the inclination angle of the cutter is kept unchanged during sharpening, and meanwhile, the blade of the cutter can be stressed uniformly during sharpening so as to improve the grinding effect on the blade and ensure that the sharpness of the blade after grinding is high.

Drawings

Fig. 1 is a block diagram of an embodiment of the sharpening aid of the present utility model.

Fig. 2 is a block diagram of a base of an embodiment of the sharpening aid of the present utility model.

Fig. 3 is a block diagram of a clamping mechanism of an embodiment of the sharpening aid of the present utility model.

Fig. 4 is a block diagram of a swing arm mechanism of an embodiment of the sharpening aid of the present utility model.

Fig. 5 is a partial block diagram of a clamping mechanism of an embodiment of the sharpening aid of the present utility model.

Fig. 6 is a reference view of the use state of the tool sharpening auxiliary tool according to the embodiment of the utility model.

The utility model is further described below with reference to the drawings and examples.

Detailed Description

Auxiliary tool embodiment for sharpening

Referring to fig. 1 and 6, the sharpening assisting tool 100 includes a base 1, a clamping mechanism 2, a swing arm mechanism 3 and a clamping mechanism 4, and the sharpening assisting tool 100 is used for assisting a user in grinding the blade of the cutter 102, so as to avoid the change of the inclination angle of the cutter 102 in the sharpening process, and make the blade of the cutter 102 be stressed uniformly in the sharpening process, thereby improving the grinding effect on the blade of the cutter 102 and making the sharpness of the blade of the cutter 102 high.

With reference to fig. 2, the base 1 preferably has a clamping position 11 and a water tank 12, the clamping position 11 is located above the water tank 12, and the clamping position 11 is used for matching the clamping mechanism 2, so that the clamping mechanism 2 and the base 1 can be disassembled and assembled, and cleaning maintenance, repair and replacement of the clamping mechanism 2 are facilitated. In addition, because the knife stone 101 and/or the knife 102 are/is generally required to be wetted in the sharpening process, by arranging the water tank 12, water for wetting the knife stone 101 and/or the knife 102 in the sharpening process can be recovered by the water tank 12, and further, the environmental pollution of the water on the periphery of the auxiliary tool 100 for sharpening is prevented.

With reference to fig. 3, the clamping mechanism 2 has a clamping receiving position for fixing the whetstone 101 so as to avoid displacement of the whetstone 101 during grinding of the edge of the tool 102. Preferably, the clamping mechanism 2 comprises a bottom plate 21, a limiting block 22, a sliding block 23 and a third locking member 24; wherein, the bottom plate 21 is detachably clamped in the clamping position 11 of the base 1 to prevent the clamping mechanism 2 from moving relative to the base 1, thereby ensuring the reliability of grinding the blade of the cutter 102 and the sharpness of the blade after grinding. The bottom plate 21 is provided with a through groove 211, the through groove 211 extends along the length direction of the bottom plate 21, and the through groove 211 penetrates through the bottom plate 21 along the height direction of the sharpening auxiliary tool 100.

The limiting block 22 and the sliding block 23 are distributed along the length direction, the limiting block 22 is mounted on the bottom plate 21, the limiting block 22 is positioned at one end of the bottom plate 21 far away from the through groove 211, and preferably, the through groove 211 and the limiting block 22 are respectively positioned at two ends of the bottom plate 21; the sliding block 23 is located at the through groove 211. The third locking member 24 includes a third adjustment knob 241 and a second nut 242, a third screw of the third adjustment knob 241 penetrates the slider 23 and the through groove 211, a knob portion of the third adjustment knob 241 abuts against the slider 23, the second nut 242 is screw-coupled with the third screw of the third adjustment knob 241, and the second nut 242 abuts against the bottom plate 21 to lock and fix the slider 23 on the bottom plate 21; when the spacing between the limiting block 22 and the sliding block 23 needs to be adjusted, the sliding block 23 can be adjusted to slide along the through groove 211 after the third adjusting knob 241 is unscrewed, and when the spacing between the limiting block 22 and the sliding block 23 is adjusted, the third adjusting knob 241 is screwed down, so that the third locking member 24 fixes the sliding block 23 on the bottom plate 21. Instead of the second nut 242, a plate-shaped member provided with a screw hole through which the plate-shaped member is screwed with the third screw of the third adjustment knob 241 may be used. Through the design to clamping mechanism 2 for clamping mechanism 2 can be applicable to the whetstone 101 of different size specifications, thereby enlarges the application scope of auxiliary fixtures 100 that whets a knife.

Referring to fig. 4, the swing arm mechanism 3 is mounted on the base 1, and the swing arm mechanism 3 has a swing end 331, the swing end 331 being located above the clamping mechanism 2. The swing arm mechanism 3 is used for assisting a user to control the cutter 102 to reciprocate relative to the knife grinder 101, and then the clamping mechanism 4 is matched to ensure that the grinding angle of the cutter 102 blade is stable and unchanged and the stress is even in the grinding process, so that the grinding effect of the blade is improved, and the sharpness of the ground blade is high.

Preferably, the swing arm mechanism 3 includes a column 31, a first swing arm 32 and a second swing arm 33, a first end of the first column 31 being connected with the base 1; the first end of the first swing arm 32 is hinged with the second end of the upright 31, so that the first swing arm 32 can rotate around the axis of the upright 31 relative to the upright 31; the first end of the second swing arm 33 is hinged to the first end of the first swing arm 32, and the hinge axis of the second swing arm 33 and the first swing arm 32, the hinge axis of the first swing arm 32 and the upright 31, and the axis of the upright 31 are parallel to each other. The second end of the second swing arm 33 is the above-mentioned swing end 331, which is designed for the swing arm mechanism 3, so that under the auxiliary effect of the swing arm mechanism 3, the user can operate the cutter 102 to perform reciprocating movement relative to the whetstone 101 smoothly, and the uneven stress of the edge of the cutter 102 in the grinding process is better prevented.

Referring to fig. 5, the clamping mechanism 4 preferably includes a slide bar 41, a fixed seat 42, a first locking member 43, a spring member 44, and a second locking member 45. The slide bar 41 extends in the height direction, the slide bar 41 is slidably connected with the swing end 331 of the second swing arm 33 of the swing arm mechanism 3 in the height direction, and the slide bar 41 is rotatably connected with the swing end 331 around its own axis; preferably, a linear bearing 3311 is disposed between the swinging end 331 and the sliding rod 41, so that the sliding rod 41 can slide and/or rotate relative to the swinging end 331 better, so as to improve the reliability of operating the auxiliary tool 100 for sharpening and ensure the sharpening effect of the blade of the cutter 102.

The fixed seat 42 is rotatably connected with the first end of the sliding rod 41, which is close to the clamping mechanism 2, through the first locking piece 43, wherein the rotation axis of the fixed seat 42 is perpendicular to the height direction, so that the swing arm mechanism 3 can assist in controlling the fixed seat 42 to move relative to the clamping mechanism 2. The sliding rod 41 is slidably connected with the swinging tail end 331 of the swinging arm mechanism 3, so that the sharpening auxiliary tool 100 can be suitable for cutters 102 with different cutter body widths, and the application range of the sharpening auxiliary tool 100 is further enlarged.

Preferably, the fixing base 42 is made of a strong magnetic material, so that the fixing base 42 can adsorb and fix the cutter 102 by magnetic force, thereby solving the problem that the cutter body is damaged (such as an indentation appears on the cutter body due to clamping the cutter body) when the cutter 102 is fixed by adopting a clamping mode, and protecting the cutter body. Of course, in other embodiments, the clamping of the tool 102 may still be employed.

In addition, the fixing base 42 preferably has a first connection portion 421 and a positioning portion 422, the first connection portion 421 being rotatably connected to the first end of the slide bar 41 by the first locking member 43; the positioning portion 422 is L-shaped, the positioning portion 422 is provided with a positioning section 4221 and a limiting section 4222, the positioning section 4221 is used for adsorbing and fixing the cutter body so that the cutter body is stably fixed on the fixing seat 42, and the limiting section 4222 is used for limiting the cutter 102 and preventing the cutter 102 from sliding relative to the fixing seat 42 in the sharpening process. Furthermore, the first end of the slide bar 41 has a second connecting portion 411; the first locking member 43 preferably includes a first adjusting knob 431 and a first nut 432, and a first screw of the first adjusting knob 431 penetrates the first connection portion 421 and the second connection portion 411, respectively, and the first nut 432 is screw-coupled with the first screw. Preferably, the second connecting portion 411 is provided with a scale 4111, and the first connecting portion 421 is provided with a pointer 4211, and the pointer 4211 points to the scale 4111. The design is more convenient and easy to operate when the angle of the fixed seat 42 is adjusted, and other tools are not needed to be additionally used; the scale 4111 on the second connecting portion 411 and the pointer 4211 on the first connecting portion 421 are designed to enable the user to clearly know the inclination angle of the tool 102 when the tool 102 is attached to the fixing base 42 after the fixing base 42 is adjusted.

The spring member 44 is sleeved on the slide rod 41, the first end of the spring member 44 is connected with the swinging tail end 331, the second locking member 45 comprises a sleeve ring 451 and a second adjusting knob 452, the sleeve ring 451 is sleeved on the slide rod 41, the second end of the spring member 44 is connected with the sleeve ring 451, the spring member 44 forces the slide rod 41 to slide back to the clamping mechanism 2, the second screw rod of the second adjusting knob 452 is in threaded connection with the sleeve ring 451, and the tail end of the second screw rod is abutted on the slide rod 41. The design ensures that a user does not need to manually lift the fixing seat 42 and the cutter 102 when the cutter 102 is dismounted from the fixing seat 42, thereby facilitating the dismounting of the cutter 102 and the fixing seat 42; in addition, the cutter 102 can be prevented from falling onto the knife stone 101 or the table top in a non-sharpening state, so that the cutting edge of the cutter 102 is extruded and collided with the knife stone 101 or the table top, the cutting edge is prevented from being damaged, and the edge is prevented from being sharpened.

The following is a brief description of the use of the sharpening aid 100 in conjunction with fig. 1-6:

when the edge of the cutter 102 is required to be ground, first, the third adjustment knob 241 of the third lock member 24 of the clamp mechanism 2 is screwed so that the third lock member 24 is released from locking fixation to the slide block 23.

Next, placing the whetstone 101 on the bottom plate 21 of the clamping mechanism 2, and making the whetstone 101 abut against the stopper 22; subsequently, the sliding block 23 is moved so that the sliding block 23 abuts against the whetstone 101, and then the third adjusting knob 241 of the third locking member 24 of the clamping mechanism 2 is screwed so that the third locking member 24 locks and fixes the sliding block 23 to achieve clamping and fixing of the whetstone 101 on the clamping mechanism 2.

Then, according to the width of the cutter body of the cutter 102 and the weight condition of the cutter 102, the height of the fixing seat 42 of the clamping mechanism 4 is adjusted; during adjustment, the cutter 102 can be adsorbed and fixed on the fixed seat 42, then the second adjusting knob 452 of the second locking member 45 is screwed, so that the second locking member 45 is unlocked and fixed on the slide bar 41, and then the position of the collar 451 on the slide bar 41 is adjusted according to the width of the cutter body of the cutter 102 and the weight of the cutter 102; after the collar 451 is adjusted to the proper position, the second adjusting knob 452 of the second locking member 45 is screwed to re-lock and fix the second locking member 45 to the slide bar 41.

Then, the position of the fixed seat 42 of the clamping mechanism 4 is adjusted according to the angle required to incline when the cutting edge of the cutter 102 is grinded; during adjustment, the first adjusting knob 431 of the first locking member 43 is screwed first, so that the first locking member 43 is released to lock and fix the first connecting portion 421 and the second connecting portion 411; subsequently, the fixing seat 42 is adjusted to a proper position according to the angle required by the grinding of the blade of the cutter 102, so that the cutter 102 is positioned at a proper inclination angle; after the position adjustment of the fixing seat 42 is completed, the first adjusting knob 431 of the first locking member 43 is screwed, so that the first locking member 43 locks and fixes the first connecting portion 421 and the second connecting portion 411, and the cutter 102 is kept at a set inclination angle.

Then, the blade of the cutter 102 is manipulated to reciprocate relative to the whetstone 101 with the aid of the swing arm mechanism 3 and the holding mechanism 4 to perform the grinding process on the blade of the cutter 102. When the grinding process of the edge of the tool 102 is completed, the tool 102 is removed from the holder 42, and the whetstone 101 can be removed from the clamping mechanism 2.

In summary, through the design of the auxiliary tool for sharpening 100, the inclination angle of the cutter 102 can be kept unchanged all the time in the sharpening process when the cutter 102 is sharpened, and meanwhile, the blade of the cutter 102 can be uniformly stressed in the sharpening process so as to improve the grinding effect on the blade and the sharpness of the blade after grinding is high; meanwhile, the auxiliary tool for sharpening 100 can be applied to cutters 102 with different blade widths and can be applied to sharpening stones 101 with different sizes.

Knife sharpening device embodiment

The sharpening device comprises a sharpening stone and the sharpening auxiliary tool in the sharpening auxiliary tool embodiment, and the sharpening stone is detachably arranged in the clamping accommodating position. It can be seen that the knife sharpening device provided with the knife sharpening auxiliary tool can adjust the inclination angle of the knife during knife sharpening, and can ensure that the inclination angle of the knife remains unchanged during knife sharpening, and meanwhile, the knife edge of the knife can be stressed uniformly during knife sharpening, so that the grinding effect on the knife edge is improved, and the sharpness of the knife edge is high after grinding.

Tool set embodiments

The tool set comprises a tool and the knife sharpening device in the knife sharpening device embodiment, and the fixing seat can clamp and fix the tool. It can be seen that the cutter set provided with the knife sharpening device can adjust the inclination angle of the cutter during sharpening to ensure that the inclination angle of the cutter is unchanged during sharpening, and meanwhile, the cutter edge of the cutter can be stressed uniformly during sharpening, so that the grinding effect on the cutter edge is improved, and the sharpness of the cutter edge after grinding is high.

Finally, it should be emphasized that the foregoing description is merely illustrative of the preferred embodiments of the utility model, and that various changes and modifications can be made by those skilled in the art without departing from the spirit and principles of the utility model, and any such modifications, equivalents, improvements, etc. are intended to be included within the scope of the utility model.

Claims (10)

1. Auxiliary fixtures whets a knife, its characterized in that includes:

a base;

the clamping mechanism is arranged on the base and provided with a clamping accommodating position;

the swing arm mechanism is arranged on the base and provided with a swing tail end, and the swing tail end is positioned above the clamping mechanism;

the clamping mechanism comprises a sliding rod, a fixing seat and a first locking piece, the sliding rod extends along the height direction of the sharpening auxiliary tool, the sliding rod is slidably connected with the swinging tail end in the height direction, the sliding rod can be rotatably connected with the swinging tail end around the axis of the sliding rod, the fixing seat is rotatably connected with the first end, close to the clamping mechanism, of the sliding rod through the first locking piece, the rotation axis of the fixing seat is perpendicular to the height direction, and the swinging arm mechanism can assist in controlling the fixing seat to move relative to the clamping mechanism.

2. The sharpening aid of claim 1, wherein:

the fixing seat is made of a strong magnetic material;

the fixing seat is provided with a first connecting part and a positioning part, the first connecting part is rotatably connected with the first end of the sliding rod through a first locking piece, the positioning part is L-shaped, and the positioning part is provided with a positioning section and a limiting section.

3. The sharpening aid according to claim 2, wherein:

the first end of the sliding rod is provided with a second connecting part;

the first locking piece comprises a first adjusting knob and a first nut, a first screw rod of the first adjusting knob penetrates through the first connecting part and the second connecting part respectively, and the first nut is in threaded connection with the first screw rod;

the second connecting portion is provided with a scale, the first connecting portion is provided with a pointer, and the pointer points to the scale.

4. The sharpening aid of claim 3, wherein:

the swing arm mechanism includes:

the first end of the upright post is connected with the base;

the first end of the first swing arm is hinged with the second end of the upright post;

the first end of the second swing arm is hinged with the second end of the first swing arm, the second end of the second swing arm is the swing tail end, and the hinge axis of the second swing arm and the first swing arm, the hinge axis of the first swing arm and the upright post, and the axle center of the upright post are parallel to each other.

5. The sharpening aid of claim 4, wherein:

the clamping mechanism further comprises:

the spring piece is sleeved on the sliding rod, and the first end of the spring piece is connected with the swinging tail end;

the second locking piece comprises a lantern ring and a second adjusting knob, the lantern ring is sleeved on the sliding rod, the second end of the spring piece is connected with the lantern ring, the spring piece forces the sliding rod to slide back to the clamping mechanism, a second screw rod of the second adjusting knob is in threaded connection with the lantern ring, and the tail end of the second screw rod is abutted to the sliding rod.

6. The sharpening aid of claim 1, wherein:

the base is provided with a clamping position;

the clamping mechanism comprises a bottom plate, a limiting block, sliding blocks and third locking pieces, wherein the bottom plate is detachably clamped in the clamping position, a through groove is formed in the bottom plate, the through groove extends along the length direction of the bottom plate, the through groove penetrates through the bottom plate in the height direction, the limiting block and the sliding blocks are distributed along the length direction, the limiting block is arranged on the bottom plate and located at one end, far away from the through groove, of the bottom plate, the sliding blocks are located at the through groove, the third locking pieces comprise a third adjusting knob and a second nut, a third screw rod of the third adjusting knob penetrates through the sliding blocks and the through groove, the second nut is in threaded connection with the third screw rod, and the bottom plate, the limiting block and the sliding blocks form a clamping accommodating position therebetween.

7. The sharpening aid of claim 1, wherein:

and a linear bearing is arranged between the swinging tail end and the sliding rod.

8. The sharpening aid according to any one of claims 1 to 7, wherein:

the base is provided with a water tank, and the clamping mechanism is positioned above the water tank.

9. A sharpening device comprising a sharpening stone, characterized in that it further comprises a sharpening auxiliary tool according to any one of claims 1 to 8, said sharpening stone being removably mounted in said clamping receiving position.

10. The tool set comprises a tool and is characterized by further comprising the knife sharpening device as claimed in claim 9, wherein the fixing seat can clamp and fix the tool.