Knife sharpener for sharpening knife

Abstract

The utility model discloses a knife sharpener, comprising: a main body mechanism comprising a first shaft body and a second shaft body, a first included angle is formed between the axis extension direction of the first shaft body and the axis extension direction of the second shaft body, and the first shaft body and the second shaft body are both perpendicular to the first direction; a connecting assembly is arranged between the first shaft body and the second shaft body, the connecting assembly comprises two first mounting holes and two locking parts, and the first shaft body and the second shaft body are mounted in the two first mounting holes in a penetrating mode correspondingly; the two locking parts are respectively used for limiting the axial movement and the circumferential rotation of the first shaft body and the second shaft body; the clamp assembly is arranged at one end of the first shaft body; and the universal moving assembly is arranged at one end of the second shaft body. The purpose of adjusting the angle of the cutting edge during grinding is achieved, the grinding angle can be replaced conveniently to grind the cutting edge, the grinding flexibility and convenience are improved, and application and popularization are facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to cutter polishing technical field especially relates to a blade modifier for grinding. BACKGROUND

[0002] The cutter blade will be passivated due to wear after a long time, therefore, the cutter needs to be polished using a grinding stone after being used for a period of time, the traditional grinding method is to place the grinding stone on a plane, manually hold the cutter, and make the cutter reciprocate along the surface of the grinding stone to play a polishing role.

[0003] The existing grinding auxiliary device has a simple structure, only uses a clamp and a moving device to stably drive the cutter to reciprocate, but the clamp and the moving device are fixedly connected and cannot be adjusted, thereby causing the angle of the cutter blade to be polished to be single and not conducive to popularization and use. UTILITY MODEL CONTENTS

[0004] In view of the above defects or deficiencies in the prior art, it is expected to provide a blade modifier for grinding.

[0005] The utility model provides a blade modifier for grinding, which comprises:

[0006] A main body mechanism comprises a first shaft body and a second shaft body, the first shaft body has a first included angle with the axial extension direction of the second shaft body, and both are perpendicular to the first direction, a connecting assembly is arranged between the first shaft body and the second shaft body, the connecting assembly comprises two first mounting holes and two locking portions, the first shaft body and the second shaft body are respectively arranged in the two first mounting holes, and the two locking portions are respectively used to limit the axial movement and circumferential rotation of the first shaft body and the second shaft body.

[0007] A clamp assembly is arranged at one end of the first shaft body and is used to clamp a cutter, the normal line extension direction of the cutter surface, the axial extension direction of the first shaft body and the first direction are perpendicular to each other.

[0008] A universal moving assembly is arranged at one end of the second shaft body and is used to assist the clamp assembly and the main body mechanism to move.

[0009] According to the technical scheme provided by the embodiment of the application, the connecting assembly comprises two fixing blocks, the two first mounting holes are arranged on the two fixing blocks, a first open slot is arranged on one side surface of the fixing block and communicates with the inside of the first mounting hole, and the two locking portions are arranged on the two fixing blocks and are used to drive the inner walls of the first open slots to move close to each other.

[0010] According to the technical scheme provided in the embodiment of the present application, the universal movement assembly is provided with a plurality of balls away from the end of the second shaft body, and each ball is arranged on the two sides of the second shaft body along a first direction.

[0011] According to the technical scheme provided in the embodiment of the present application, the universal movement assembly comprises a main mounting strip detachably mounted at the end of the second shaft body, the extension direction of the main mounting strip is a first direction, and a plurality of spherical sleeves are arranged at the bottom end of the main mounting strip along the first direction, and the balls are rollingly clamped in the spherical sleeves.

[0012] According to the technical scheme provided in the embodiment of the present application, the clamp assembly comprises a main clamping part connected with the first shaft body, a secondary clamping part is arranged below the end of the main clamping part away from the first shaft body, the tool is clamped between the bottom edge of the main clamping part and the top edge of the secondary clamping part, a supporting block is connected to the end of the main clamping part away from the first shaft body, and the bottom end of the supporting block is attached to the surface of the tool.

[0013] According to the technical scheme provided in the embodiment of the present application, the main clamping part comprises an assembly block, and a slot is arranged in the middle of the assembly block.

[0014] The secondary clamping part comprises a clamping plate arranged in the slot, the clamping plate comprises an upper bent plate body, a middle plate body and a lower bent plate body, an adjusting bolt is threadedly connected to the top end of the upper bent plate body, the bottom end of the adjusting bolt abuts against the top end of the assembly block, and the tool is clamped between the bottom edge of the assembly block and the top edge of the lower bent plate body.

[0015] According to the technical scheme provided in the embodiment of the present application, the assembly block comprises a first assembly block and a second assembly block symmetrically arranged on the two sides of the first shaft body along a first direction, half slots are arranged at the mutually close ends of the first assembly block and the second assembly block, the two half slots are combined to form the slot, locking screw holes are arranged through the bottom of the first assembly block and the second assembly block, and the axis extension direction of the locking screw holes is the first direction.

[0016] According to the technical scheme provided in the embodiment of the present application, the middle part of the first assembly block and the middle part of the second assembly block are both provided with a second mounting hole, the bottom end of the first assembly block and the bottom end of the second assembly block are both provided with a second opening slot communicating with the second mounting hole, and a connecting rod is slidably connected in the second mounting hole.

[0017] According to the technical scheme provided in the embodiment of the present application, the first assembly block is provided with a centering protrusion at the end close to the second assembly block, the second assembly block is provided with an avoiding groove at the end close to the first assembly block, and the first shaft body is detachably connected with the middle part of the centering protrusion.

[0018] According to the technical solution provided in the embodiments of this application, a magnet is embedded in the bottom of the support block.

[0019] Compared with the prior art, the beneficial effects of this utility model are:

[0020] 1. A first shaft, a second shaft, and a connecting assembly are provided. The connection point of the first and second shafts, the grinding point of the tool, and the moving point of the universal moving assembly form a triangle. By axially moving the first and second shafts within the two first mounting holes respectively, the length of the first or second shaft on both sides of the corresponding first mounting hole can be adjusted. That is, without changing the first included angle, the length of the other side or two sides of the triangle can be adjusted, thereby achieving the purpose of adjustable blade angle during grinding. This facilitates changing the grinding angle to grind the blade, improves the flexibility and convenience of grinding, and makes it easy to promote its use.

[0021] 2. A clamping assembly is provided. Under the clamping action of the main clamping part and the secondary clamping part, the bottom end of the support block abuts against the tool surface. During the sharpening process, the cutting edge of the tool is subjected to upward stress, while the support block generates downward stress, which serves to stabilize the tool and ensure its stability during the sharpening process. Furthermore, the assembly block is provided with a second mounting hole, and the support block is provided with a connecting rod to realize the position adjustment of the support block, thereby adapting to various specifications of tools and improving the practicality of the clamp. Furthermore, the assembly block is formed by combining the first assembly block and the second assembly block to realize the installation and removal of the clamping plate, and also facilitates the quick replacement of damaged clamping plates.

[0022] 3. A universal moving component is set up, which drives the first and second shafts to move in multiple directions through ball bearings. This solves the problem that the existing technology uses rollers that can only move in one direction. It facilitates better tool grinding and improves the flexibility and convenience of grinding. Furthermore, the main mounting strip is detachably connected to the second shaft and the ball sleeve, which facilitates the replacement of ball bearings. The ball bearings are evenly distributed on both sides of the second shaft along the first direction, which improves the stability during the movement.

[0023] It should be understood that the description in this utility model description section is not intended to limit the key or essential features of the embodiments of this utility model, nor is it intended to restrict the scope of this utility model. Other features of this utility model will become readily apparent from the following description. Attached Figure Description

[0024] Other features, objects, and advantages of this invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0025] Figure 1 This is a schematic diagram of the structure of a blade modifier for sharpening knives provided in an embodiment of this application;

[0026] Figure 2 A structure schematic diagram of a connecting assembly in a blade modifier for sharpening a blade is provided for the embodiment of the present application;

[0027] Figure 3 A cross-sectional structure schematic diagram of a universal moving assembly in a blade modifier for sharpening a blade is provided for the embodiment of the present application;

[0028] Figure 4 An exploded structure schematic diagram of a clamp assembly in a blade modifier for sharpening a blade is provided for the embodiment of the present application;

[0029] Figure 5 A cross-sectional structure schematic diagram of a clamp assembly in a blade modifier for sharpening a blade is provided for the embodiment of the present application;

[0030] Figure 6 A structure schematic diagram of a fixing block in a blade modifier for sharpening a blade is provided for the embodiment of the present application;

[0031] Figure 7 A connecting structure schematic diagram of a supporting block and an assembling block in a blade modifier for sharpening a blade is provided for the embodiment of the present application.

[0032] Reference numerals in the figure:

[0033] 1, first shaft body; 2, second shaft body;

[0034] 3, connecting assembly; 31, fixing block; 32, first mounting hole; 33, first open slot; 34, locking stud; 35, threaded sleeve; 36, cam; 37, wrench; 38, connecting piece; 39, through screw hole;

[0035] 4, universal moving assembly; 41, main mounting strip; 42, spherical sleeve; 43, ball; 44, connecting screw; 45, connecting screw hole;

[0036] 5, clamp assembly; 51, first assembling block; 52, second assembling block; 53, second mounting hole; 54, second open slot; 55, locking screw hole; 56, insertion slot; 57, clamping plate; 571, upper bent plate body; 572, middle plate body; 573, lower bent plate body; 58, adjusting bolt; 59, connecting rod; 510, supporting block; 511, magnet; 512, centering protrusion; 513, avoiding recess;

[0037] 6, sharpening piece; 7, knife. DETAILED DESCRIPTION

[0038] The utility model will be further explained in detail below in combination with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the related utility model, and not limited to the utility model. In addition, it should be noted that, for the convenience of description, only the parts related to the utility model are shown in the drawings.

[0039] It should be noted that, in the case of no conflict, the embodiments in the utility model and the features in the embodiments can be combined with each other. The utility model will be explained in detail below in combination with the drawings and embodiments.

[0040] Please refer to Figures 1-6 The embodiment of the utility model provides a blade modifier for sharpening a knife, which comprises:

[0041] The main body mechanism comprises a first shaft body 1 and a second shaft body 2, the first shaft body 1 has a first included angle with the axial extension direction of the second shaft body 2, and both are perpendicular to the first direction, a connecting assembly 3 is arranged between the first shaft body 1 and the second shaft body 2, the connecting assembly 3 comprises two first mounting holes 32 and two locking parts, the first shaft body 1 and the second shaft body 2 are respectively installed in the two first mounting holes 32, and the two locking parts are respectively used to limit the axial movement and the circumferential rotation of the first shaft body 1 and the second shaft body 2;

[0042] The clamp assembly 5 is arranged at one end of the first shaft body 1 and is used to clamp the tool 7, the normal line extension direction of the tool face, the axial extension direction of the first shaft body 1 and the first direction are perpendicular to each other;

[0043] The universal moving assembly 4 is arranged at one end of the second shaft body 2 and is used to assist the clamp assembly 5 and the main body mechanism to move;

[0044] As Figure 1 shown, wherein the first direction is Figure 1The auxiliary tool grinding device can be placed on the work plane in the front-back direction, and the grinding tool 6 can also be placed on the work plane. When the grinding work is performed, the first shaft body 1 or the second shaft body 2 is pushed to roll on the work plane through the universal moving assembly 4, the auxiliary clamp assembly 5 and the main body mechanism are moved, and then the multi-directional grinding function of the tool 7 is realized, the convenience of grinding is improved, further, the connecting point of the first shaft body 1 and the second shaft body 2, the grinding point of the tool 7 and the moving point of the universal moving assembly 4 form a triangle, the first shaft body 1 and the second shaft body 2 are respectively axially moved in the two first mounting holes 32, the length of the first shaft body 1 or the second shaft body 2 located on the two sides of the corresponding first mounting hole 32 is adjusted, that is, in the case that the first included angle does not change, the length of the other side or two sides of the triangle is adjusted, and then the purpose of adjusting the blade angle during grinding is realized, the blade is conveniently ground by replacing the grinding angle, the flexibility and convenience of grinding are improved, and the auxiliary tool grinding device is convenient to popularize and use.

[0045] In some embodiments, the grinding tool 6 can be selected from a sand belt grinder / polisher or a disc type self-rotating grinding disc, so as to reduce the operation force of the user and make the grinding more convenient.

[0046] In some embodiments, the connecting assembly 3 includes two fixed blocks 31, two first mounting holes 32 are respectively arranged on the two fixed blocks 31, one side surface of the fixed block 31 is provided with a first opening groove 33 in communication with the inside of the first mounting hole 32, and two locking parts are respectively arranged on the two fixed blocks 31 and used for driving the inner walls of the first opening grooves 33 to be close to each other.

[0047] As shown in Figure 1 and Figure 2 , a connecting piece 38 is arranged between the two fixed blocks 31, the locking part includes a locking stud 34 penetrating through the two inner walls of the first opening grooves 33, one end of the locking stud 34 is provided with a bolt head, the other end is threadedly connected with a threaded sleeve 35, the threaded sleeve 35 is rotatably sleeved with a cam 36 at two ends, a wrench 37 is arranged between the two cams 36, the wrench 37 is moved to make the protrusions of the cams 36 abut against the outer surfaces of the fixed blocks 31, and the bolt head abuts against the other side surface of the fixed block 31, so as to drive the inner walls of the first opening grooves 33 to be close to each other, and then the function of locking the first shaft body 1 or the second shaft body 2 is realized. The locking can be directly performed by pulling the wrench 37, the operation is convenient, and the adjustment is more flexible.

[0048] In some embodiments, the connecting assembly 3 comprises two fixed blocks 31, two first mounting holes 32 are respectively arranged on the two fixed blocks 31, and a through screw hole 39 penetrating and communicating with the first mounting hole 32 is arranged on the fixed block 31, as shown in Figure 6 , a bolt is installed in the through screw hole 39 by screwing, the bolt abuts against the first shaft body 1 or the second shaft body 2, the locking of the two is achieved, optionally, the two fixed blocks 31 are connected by a connecting piece 38, the connection between the two fixed blocks 31 is achieved, further preferably, the connecting assembly 3 is a common cross-shaped optical axis fixing clamp on the market, the two fixed blocks 31 are rotatably connected by the connecting piece 38, the first included angle between the first shaft body 1 and the second shaft body 2 can be adjusted, the adjustment of the angle of the tool 7 is more convenient, and the cross-shaped optical axis fixing clamp is a mass-produced part, which is more convenient for popularization and use of the grinding tool auxiliary device, and has high practicability.

[0049] In some embodiments, the universal moving assembly 4 has a plurality of balls 43 away from the end of the second shaft body 2, and each ball 43 is arranged on both sides of the second shaft body 2 along the first direction;

[0050] As shown in Figure 1 and Figure 3 , the arrangement of the balls 43 can assist the main body mechanism and the clamp assembly 5 to move in multiple directions, when the number of balls 43 is odd, one ball 43 corresponds to the position of the second shaft body 2, and the other balls 43 are symmetrically and uniformly arranged on both sides of the second shaft body 2, when the number of balls 43 is even, all balls 43 are symmetrically and uniformly arranged on both sides of the second shaft body 2, to ensure the stability of the rolling of the balls 43 and avoid the second shaft body 2 from tilting forward or backward.

[0051] In some embodiments, the universal moving assembly 4 comprises a main mounting strip 41 detachably mounted at the end of the second shaft body 2, the extension direction of the main mounting strip 41 is the first direction, and a plurality of spherical sleeves 42 are arranged at the bottom end of the main mounting strip 41 along the first direction, and the balls 43 are arranged in the spherical sleeves 42;

[0052] As shown in Figure 1 and Figure 3 , the top end of the main mounting strip 41 is arranged in the second threaded hole in threaded connection with the second shaft body 2, the bottom end is provided with a plurality of connecting screw holes 45, the top end of the spherical sleeve 42 is provided with a connecting screw rod 44 in threaded connection with the connecting screw hole 45, the installation of the balls 43 and the spherical sleeves 42 is achieved, and the subsequent replacement of damaged parts is facilitated.

[0053] In some embodiments, the clamp assembly 5 comprises a main clamping part connected with the first shaft body 1, a secondary clamping part is arranged below the end of the main clamping part away from the first shaft body 1, the tool 7 is clamped between the bottom edge of the main clamping part and the top edge of the secondary clamping part, the main clamping part is connected with a support block 510 away from the first shaft body 1, and the bottom end of the support block 510 is attached to the surface of the tool 7.

[0054] As shown in Figure 4 , Figure 5 and Figure 7 , under the clamping action of the main clamping part and the secondary clamping part, the bottom end of the support block 510 abuts against the surface of the tool 7, and in the process of grinding the tool 7, the cutting edge of the tool 7 is subjected to upward stress, while the support block 510 forms downward stress, thereby stabilizing the tool 7 and improving the stability of clamping in the process of grinding.

[0055] In some embodiments, the main clamping part comprises an assembly block, and a slot 56 is provided in the middle of the assembly block;

[0056] The secondary clamping part comprises a clamping plate 57 provided inside the slot 56, and the clamping plate 57 comprises an upper bent plate body 571, an intermediate plate body 572, and a lower bent plate body 573. The upper bent plate body 571 is threadedly connected with an adjusting bolt 58 at the top end, the bottom end of the adjusting bolt 58 abuts against the top end of the assembly block, and the tool 7 is clamped between the bottom end edge of the assembly block and the top end edge of the lower bent plate body 573;

[0057] As shown in Figure 4 and Figure 5 , the intermediate plate body 572 is located inside the slot 56, and rotating the adjusting bolt 58 can drive the upper bent plate body 571 to move upward, thereby driving the intermediate plate body 572 and the lower bent plate body 573 to move upward synchronously, and finally realizing clamping of the tool 7 between the bottom end edge of the assembly block and the top end edge of the lower bent plate body 573.

[0058] In some embodiments, the support block 510 is provided at the bottom of the assembly block away from the first shaft body 1, and the two are integrally formed, as shown in Figure 7 , which facilitates clamping of the tool 7 with an extremely narrow tool face and improves the stability of clamping.

[0059] In some embodiments, the assembly block comprises a first assembly block 51 and a second assembly block 52 symmetrically provided on both sides of the first shaft body 1 along the first direction. The first assembly block 51 and the second assembly block 52 are provided with half grooves at the ends close to each other, and the two half grooves combine to form the slot 56. The bottom of the first assembly block 51 and the bottom of the second assembly block 52 are provided with locking screw holes 55, and the axis extension direction of the locking screw holes 55 is the first direction;

[0060] As shown in Figure 4 and Figure 5 , the assembly block is formed by combining the first assembly block 51 and the second assembly block 52. A long bolt is installed through the two locking screw holes 55, which realizes stable assembly of the first assembly block 51 and the second assembly block 52. After the two are separated, the clamping plate 57 can be installed or disassembled, and it is also convenient for quick replacement of damaged clamping plates 57.

[0061] In some embodiments, the first assembly block 51 and the second assembly block 52 are both provided with a second mounting hole 53, the bottom end of the first assembly block 51 and the bottom end of the second assembly block 52 are both provided with a second open slot 54 communicating with the second mounting hole 53, and the two second mounting holes 53 are both internally penetrated by a connecting rod 59, and the connecting rod 59 is connected with the support block 510 at the end away from the connecting assembly 3;

[0062] As shown in Figure 4 and Figure 5 , the connecting rod 59 is movable along the second mounting hole 53, thereby adjusting the position of the support block 510, when clamping the cutter 7 with a small knife face, the support block 510 is closer to the assembly block, and when clamping the cutter 7 with a large knife face, the connecting rod 59 is moved to make the support block 510 away from the assembly block, thereby realizing the adaptation to cutters 7 of various specifications and improving the practicality of the clamp assembly 5, wherein the locking screw hole 55 penetrates the side wall of the second open slot 54, and after the long bolt is installed, not only the assembly of the first assembly block 51 and the second assembly block 52 is stable, but also the two side walls of the second open slot 54 are driven to be close to each other, the connecting rod inside the second mounting hole 53 is clamped and stabilized, and the stability of the connecting rod 59 is maintained.

[0063] In some embodiments, the first assembly block 51 is provided with a centering protrusion 512 near the end close to the second assembly block 52, the second assembly block 52 is provided with an avoiding groove 513 near the end close to the first assembly block 51, and the first shaft body 1 is detachably connected with the centering protrusion 512 in the middle part;

[0064] As shown in Figure 4 and Figure 5 , since the assembly block is subsequently pushed by the first shaft body 1, the centering protrusion 512 is threadedly connected with the first shaft body 1, and the connection is located in the middle part of the assembly block, thereby ensuring the stability during polishing.

[0065] In some embodiments, a magnet 511 is embedded and installed in the bottom end inside the support block 510; as shown in Figure 4 , Figure 5 and Figure 7 , the cutter 7 surface can be adsorbed by the magnet 511 to achieve the effect of temporary fixation, which is convenient for the user to push the cutter 7 back end between the bottom end edge of the assembly block and the top end edge of the lower bent plate body 573, thereby improving the convenience and flexibility of clamping.

[0066] In the description of the present specification, the terms "connection", "installation", "fixation" and the like should be understood in a broad sense, for example, "connection" can be fixed connection, or detachable connection, or integrally connected; it can be directly connected, or indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0067] In the description of the application, the terms "one embodiment", "some embodiments", "an embodiment", "one specific embodiment", "some specific embodiments", and the like, can mean the same or similar thing, i.e., one or more embodiments or examples. By way of illustration, all of the above terms, i.e., "one embodiment", "some embodiments", "an embodiment", "one specific embodiment", "some specific embodiments", and the like, can mean one implementation so that there can be a plurality of embodiments that are the same or similar in some way. In other words, the terms "one embodiment", "some embodiments", "an embodiment", "one specific embodiment", "some specific embodiments", and the like, can mean one or more embodiments or examples, unless otherwise noted. Moreover, the description of the specific features, structures, materials, and characteristics, as described in the specification, can be combined in any suitable manner in one or more embodiments or examples.

[0068] The above description is only preferred embodiments of the present application and is not intended to limit the present application. The present application can have various modifications and changes, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A blade sharpening tool, characterized in that, The utility model relates to a kind of cutting machine, including: Main body mechanism, including the first shaft body (1) and the second shaft body (2), the first angle between the axis extension direction of the first shaft body (1) and the axis extension direction of the second shaft body (2) is formed, and both are perpendicular to first direction, connecting assembly (3) is equipped between the first shaft body (1) and the second shaft body (2), the connecting assembly (3) includes two first mounting holes (32) and two locking parts, the first shaft body (1) and the second shaft body (2) are installed in two the first mounting hole (32) respectively, and two locking parts are used for limiting the axial movement and circumferential rotation of the first shaft body (1) and the second shaft body (2) respectively; Clamp assembly (5) is equipped in the first shaft body (1) one end, for clamping tool (7), the normal line extension direction of the tool face, the axis extension direction of the first shaft body (1) and the first direction are perpendicular to each other; Universal moving assembly (4) is equipped in the second shaft body (2) one end, for assisting the clamp assembly (5) and the main body mechanism movement.

2. The edge modifier for a knife for sharpening the same according to claim 1, wherein The connecting assembly (3) includes two fixed blocks (31), two the first mounting hole (32) is equipped on two the fixed block (31), the first opening slot (33) that is communicated with the inside of the first mounting hole (32) is equipped on the side surface of the fixed block (31), two locking parts are equipped on two the fixed block (31) respectively, for driving the inner wall of the first opening slot (33) is close to each other.

3. The edge modifier for a knife for sharpening the same according to claim 1, characterized by The universal moving assembly (4) is away from the end of the second shaft body (2) and has a plurality of balls (43), each ball (43) is arranged on the two sides of the second shaft body (2) along the first direction.

4. The edge modifier for a knife for sharpening the same according to claim 3, wherein The universal moving assembly (4) includes the main installation strip (41) that can be detachably installed on the end of the second shaft body (2), the extension direction of the main installation strip (41) is the first direction, a plurality of spherical sleeves (42) are arranged on the bottom end of the main installation strip (41) along the first direction, and the ball (43) is rolled and clamped in the spherical sleeve (42).

5. The edge modifier of claim 1, wherein The clamp assembly (5) includes the main clamping part connected with the first shaft body (1), the secondary clamping part is equipped below the end of the main clamping part away from the first shaft body (1), the tool (7) is clamped between the bottom end edge of the main clamping part and the top end edge of the secondary clamping part, the support block (510) is connected to the end of the main clamping part away from the first shaft body (1), and the bottom end of the support block (510) is attached to the surface of the tool (7).

6. The blade modifier for a knife-sharpening device according to claim 5, characterized in that The main clamping part includes assembly block, the insertion slot (56) is arranged in the middle of the assembly block; The secondary clamping part comprises a clamping plate (57) arranged inside the insertion slot (56), the clamping plate (57) comprises an upper bent plate body (571), a middle plate body (572) and a lower bent plate body (573), the upper bent plate body (571) is threadedly connected with an adjusting bolt (58) at the top end, the bottom end of the adjusting bolt (58) abuts against the top end of the assembly block, and the tool (7) is clamped between the bottom end edge of the assembly block and the top end edge of the lower bent plate body (573).

7. The blade modifier for a knife-sharpening device according to claim 6, characterized in that The assembly block comprises a first assembly block (51) and a second assembly block (52) symmetrically arranged on both sides of the first shaft body (1) along the first direction, the first assembly block (51) and the second assembly block (52) are provided with half slots at the mutually close ends, the two half slots are combined to form the insertion slot (56), and the bottom of the first assembly block (51) and the second assembly block (52) is provided with a locking screw hole (55) penetratingly arranged, and the axis extension direction of the locking screw hole (55) is the first direction.

8. The blade modifier for a knife-sharpening device according to claim 7, characterized in that The middle part of the first assembly block (51) and the second assembly block (52) is provided with a second mounting hole (53), the bottom end of the first assembly block (51) and the second assembly block (52) is provided with a second opening slot (54) communicating with the second mounting hole (53), and the inside of the two second mounting holes (53) is penetratingly and slidingly connected with a connecting rod (59), and the end of the connecting rod (59) away from the connecting assembly (3) is connected with the support block (510).

9. The blade modifier for a knife-sharpening device according to claim 7, wherein The end of the first assembly block (51) close to the second assembly block (52) is provided with a centering protrusion (512), the end of the second assembly block (52) close to the first assembly block (51) is provided with a recess (513), and the first shaft body (1) is detachably connected with the middle part of the centering protrusion (512).

10. The blade modifier for a knife-sharpening device according to claim 5, wherein The inside of the support block (510) is embedded with a magnet (511) at the bottom end.

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