CN112059748A

CN112059748A - Cutter grinding device

Info

Publication number: CN112059748A
Application number: CN202010992675.4A
Authority: CN
Inventors: 高会明
Original assignee: Harbin Acheng Shengda Building Material Factory
Current assignee: Harbin Acheng Shengda Building Material Factory
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2020-12-11

Abstract

The invention relates to the field of machining and manufacturing, in particular to a cutter polishing device which comprises a stirring and base, a polishing adjusting mechanism, a position adjusting mechanism, a one-way power mechanism, an angle adjusting mechanism and a cutter fixing mechanism, wherein the polishing adjusting mechanism is slidably arranged in a groove formed in the stirring and base; this device has the function of adjustment angle of polishing and the direction of polishing, adopts the different modes of polishing to different types of cutters, reaches the best effect of polishing, and the function of specific adjustment cutter height adapts to the cutter of different width, has the function of adjustment single distance of polishing, adapts to the cutter of different length.

Description

Cutter grinding device

Technical Field

The invention relates to the field of machining and manufacturing, in particular to a cutter polishing device.

Background

The cutter is the indispensable instrument among people's daily life, and the cutter can blunt after using a period, and under general condition, the user can be with the stone of polishing by oneself cutting edge department of polishing, but the gimmick and the dynamics of polishing often can damage the cutting edge, shortens cutter life, and the inventor discovers, the patent of having authorized among the prior art, patent number CN201610837194.X a quick knife sharpening device has the function of polishing the cutter, but has some drawbacks.

The disadvantages of the invention are:

1. the mode of polishing to the cutter is too simple, and the unable control is to the angle of polishing of cutter and the direction of polishing of cutter, can't adopt different modes of polishing to different types of cutter promptly.

2. The distance of polishing of single time can not be adjusted, the length of different cutters can not be adapted.

3. The height of the position of the device where the cutter is located cannot be adjusted, the cutting edges of the cutters with different widths cannot be aligned to the polishing position, and the polishing effect is poor.

Disclosure of Invention

The invention mainly solves the technical problem of providing a cutter polishing device which has the functions of adjusting polishing angles and polishing directions, adopts different polishing modes for different types of cutters to achieve the best polishing effect, has the function of specifically adjusting the height of the cutter, is suitable for cutters with different widths, has the function of adjusting the polishing distance of a single time, and is suitable for cutters with different lengths.

The purpose of the invention is realized by the following technical scheme:

the utility model provides a cutter grinding device, is including stirring and base, the guiding mechanism that polishes, position guiding mechanism, one-way power unit, angle adjustment mechanism and cutter fixed establishment, the guiding mechanism slidable mounting that polishes in stirring and the recess that sets up on the base, fixed mounting is stirred and the base respectively in position guiding mechanism's both sides, one-way power unit fixed mounting is on position guiding mechanism, angle adjustment mechanism fixed mounting is on position guiding mechanism, cutter fixed establishment fixed mounting is on angle adjustment mechanism.

As a further optimization of the technical scheme, the stirring and base of the cutter polishing device comprises a base, a bottom gear, a cam connecting piece, an adjusting threaded rod, a semicircular piece and a rubber ring, wherein the bottom gear is rotatably installed in a groove formed in the base, the cam connecting piece is fixedly installed on the bottom gear, the adjusting threaded rod is in threaded connection with the cam connecting piece, the other end of the adjusting threaded rod is rotatably installed on the adjusting threaded rod, and the rubber ring is fixedly installed on the adjusting threaded rod.

As a further optimization of the technical solution, the polishing adjustment mechanism of the tool polishing device of the present invention includes a support spring, a vertical frame, a manual rotating disc, a worm wheel, a connecting rod, and a polishing stone, wherein the vertical frame is slidably mounted in a groove formed on the base, one end of the support spring is fixedly mounted on the vertical frame, the other end of the support spring is fixedly mounted on the base, the manual rotating disc is rotatably mounted in the groove formed on the vertical frame, the manual rotating disc is fixedly connected to the worm, the other end of the worm is rotatably mounted in the groove formed on the vertical frame, the worm wheel is engaged with the worm wheel, the worm wheel is rotatably mounted in the groove formed on the vertical frame, the worm wheel is fixedly connected to the connecting rod, and the polishing stone is fixedly mounted on the connecting rod.

As a further optimization of the technical solution, the position adjusting mechanism of the tool polishing device of the present invention includes a displacement motor, a motor gear, a displacement sprocket, a displacement threaded rod, an intermediate plate, and a transmission chain, wherein the displacement motor is fixedly installed in a groove formed in a base, the motor gear is fixedly installed at an output end of the displacement motor, the motor gear is engaged with the displacement sprocket, the displacement sprocket is fixedly installed on the displacement threaded rod, the displacement threaded rod is rotatably installed in the groove formed in the base, the displacement threaded rod is in threaded connection with the intermediate plate, and the displacement sprocket is engaged with the transmission chain.

As a further optimization of the technical scheme, the one-way power mechanism of the cutter polishing device comprises a shifting motor, an installation frame, a middle chain wheel, a connecting chain and a side chain wheel, wherein the shifting motor is fixedly installed in a groove formed in a middle plate, the output end of the shifting motor penetrates through the installation frame and is fixedly installed with the middle chain wheel, the middle chain wheel is meshed with the connecting chain, the connecting chain is meshed with the side chain wheel, the side chain wheel is rotatably installed in the groove formed in the installation frame, the installation frame is fixedly installed on the middle plate, and the side chain wheel is meshed with a bottom gear.

As a further optimization of the technical scheme, the angle adjusting mechanism of the cutter polishing device comprises a disc piece, a sliding foot, a two-way threaded rod, a hinged plate, a limiting supporting plate, an adjusting motor, an adjusting gear and a ring piece, wherein the sliding foot is slidably arranged in a groove arranged on the middle plate and is in threaded connection with the two-way threaded rod, the two-way threaded rod is rotatably arranged in the groove arranged on the middle plate, one end of the two-way threaded rod is fixedly provided with the disc piece, the sliding foot is hinged with one end of the hinged plate, the other end of the hinged plate is hinged with the limiting supporting plate, the ring piece is rotatably arranged on the limiting supporting plate and is meshed with the adjusting gear, the adjusting gear is fixedly arranged at the output end of the adjusting motor, and the adjusting motor is fixedly arranged on the limiting supporting plate.

As a further optimization of the technical scheme, the cutter fixing mechanism of the cutter polishing device comprises a cutter frame, a clamping element, a clamping threaded rod, a fixed pushing element and an extrusion threaded rod, wherein the cutter frame is fixedly arranged on a circular ring element, the circular ring element is in threaded connection with the extrusion threaded rod, the extrusion threaded rod is rotatably arranged in a groove arranged on the fixed pushing element, the clamping element is slidably arranged in a groove arranged on the cutter frame, the clamping threaded rod is in threaded connection with the clamping element, and the clamping threaded rod is rotatably arranged in a groove arranged on the cutter frame.

The cutter polishing device has the beneficial effects that:

1. the sword cutting edge that will need polish is downward, insert in the recess of knife rest, be located between the clamping piece of both sides, the threaded rod for the clamp is pressed from both sides in the manual rotation, it drives the clamping piece and removes to the centre to press from both sides tight threaded rod for the clamp, thereby make the cutter pressed from both sides tightly fixed, the clamping piece synchronous motion of both sides, can guarantee that the cutter is in the intermediate position of knife rest, effectual cutter has been fixed a position, rotatory extrusion threaded rod, make fixed pushing away a downstream, from top extrusion cutter, realize fixing the cutter from three direction through fixed pushing away piece and clamping piece, fixed effect is more stable.

2. Manual rotatory manual carousel, manual carousel drive worm rotate, and the worm drives the worm wheel and rotates, and the worm wheel passes through the connecting rod and drives the stone of polishing and rotate, and through the rotation of the stone of polishing, the angle of adjustment stone of polishing face and cutting edge contact has then realized that this device can follow the angle of difference and carry out the purpose of polishing to the cutter.

3. Starting a motor for displacement, driving the motor gear to rotate by the motor gear, driving a sprocket for displacement to rotate by the sprocket for displacement, driving a threaded rod for displacement to rotate by the sprocket for displacement, thereby enabling an intermediate plate to approach a base on one side along the threaded rod for displacement, enabling a side sprocket to be meshed with a bottom gear, simultaneously enabling a blade part of a cutter inserted into a cutter rest to be in contact with a grinding stone, starting a motor for stirring, driving a middle sprocket to rotate by the motor for stirring, driving a side sprocket to rotate by the middle sprocket through a connecting chain, driving a bottom gear to rotate by the side sprocket, driving a cam connecting piece to rotate by the bottom gear, driving a semicircular piece to rotate by an adjusting threaded rod, driving the grinding stone to move by a vertical frame, thereby enabling the grinding stone to grind the cutter in contact with the grinding stone, moving the vertical frame to extrude a support spring, when the semicircular piece is separated from the vertical frame, supporting spring supports the grudging post, makes the grudging post reset to make the stone position of polishing restore, and then realized that the stone of polishing makes a round trip the purpose of polishing to the cutter, when the intermediate lamella removed to the opposite side base, can polish to the opposite side of cutter, wherein rotatory adjustment threaded rod, scalable control semicircle spare, thereby the distance that the control semicircle spare promoted the grudging post, and then the control is polished the length of stone distance of polishing.

4. The motor for adjustment is started, the gear for adjustment drives the ring piece to rotate, the tool rest is rotated, the tool is further driven to incline, the polishing stone is polished when the tool is polished, the polishing direction of the tool is changed, the polishing function of the tool in different directions is realized, the disc piece is rotated, the disc piece drives the bidirectional threaded rod to rotate, sliding feet on two sides are moved, the hinged plates on two sides support the limiting supporting plate to move upwards, the height of the limiting supporting plate is changed, the purpose of changing the height of the tool is achieved, the tool can be adjusted according to the size of the tool, and the position of the cutting edge corresponds to that of the polishing stone.

Drawings

The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic perspective view of a tool polishing device according to the present invention.

Fig. 2 is a schematic perspective view of a toggle and base 1 of the tool polishing device according to the present invention.

Fig. 3 is a schematic view of a partial cross-sectional structure of a toggle and base 1 of a tool polishing device according to the present invention.

Fig. 4 is a schematic perspective view of a polishing adjustment mechanism 2 of a tool polishing apparatus according to the present invention.

Fig. 5 is a schematic partial three-dimensional structure diagram of a polishing adjustment mechanism 2 of a tool polishing device according to the present invention.

Fig. 6 is a schematic perspective view of a position adjusting mechanism 3 of a tool polishing apparatus according to the present invention.

Fig. 7 is a schematic perspective view of a unidirectional power mechanism 4 of the tool polishing device according to the present invention.

Fig. 8 is a schematic perspective view of an angle adjusting mechanism 5 of a tool sharpening device according to the present invention.

Fig. 9 is a schematic perspective view of a tool fixing mechanism 6 of a tool polishing apparatus according to the present invention.

Fig. 10 is a schematic structural view of a fixed pusher 6-4 and an extrusion threaded rod 6-5 of a tool sharpening device according to the present invention.

Fig. 11 is a perspective view of a clamping member 6-2 of a tool sharpening device according to the present invention.

In the figure: a shifting and base 1; a base 1-1; a bottom gear 1-2; 1-3 of a cam connecting piece; adjusting the threaded rod 1-4; 1-5 of a semicircular piece; 1-6 parts of rubber ring; a polishing adjusting mechanism 2; a support spring 2-1; 2-2 of a vertical frame; 2-3 of a manual turntable; 2-4 parts of worm; 2-5 of worm wheel; 2-6 of a connecting rod; grinding stone 2-7; a position adjusting mechanism 3; a displacement motor 3-1; a motor gear 3-2; a displacement sprocket 3-3; a displacement threaded rod 3-4; 3-5 of middle plate; 3-6 parts of a transmission chain; a unidirectional power mechanism 4; a dialing motor 4-1; a mounting frame 4-2; 4-3 of a middle chain wheel; connecting chains 4-4; 4-5 of a side chain wheel; an angle adjusting mechanism 5; a disc member 5-1; 5-2 of a sliding foot; 5-3 parts of a bidirectional threaded rod; hinge plates 5-4; 5-5 of a limiting supporting plate; 5-6 of a motor for adjustment; 5-7 parts of adjusting gear; 5-8 parts of a circular ring piece; a cutter fixing mechanism 6; a tool holder 6-1; a clamping member 6-2; 6-3 parts of a clamping threaded rod; fixing a pushing piece 6-4; the threaded rod 6-5 is pressed.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The first embodiment is as follows:

the following describes this embodiment with reference to fig. 1 to 11, and a tool polishing apparatus includes a stirring and base 1, a polishing adjustment mechanism 2, a position adjustment mechanism 3, a one-way power mechanism 4, an angle adjustment mechanism 5, and a tool fixing mechanism 6, where the polishing adjustment mechanism 2 is slidably mounted in a groove formed in the stirring and base 1, the stirring and base 1 is fixedly mounted on both sides of the position adjustment mechanism 3, the one-way power mechanism 4 is fixedly mounted on the position adjustment mechanism 3, the angle adjustment mechanism 5 is fixedly mounted on the position adjustment mechanism 3, and the tool fixing mechanism 6 is fixedly mounted on the angle adjustment mechanism 5.

The second embodiment is as follows:

the following describes the present embodiment with reference to fig. 1 to 11, and the present embodiment further describes the first embodiment, where the toggle and base 1 includes a base 1-1, a bottom gear 1-2, a cam connector 1-3, an adjusting threaded rod 1-4, a semicircular piece 1-5, and a rubber ring 1-6, the bottom gear 1-2 is rotatably installed in a groove provided on the base 1-1, the cam connector 1-3 is fixedly installed on the bottom gear 1-2, the adjusting threaded rod 1-4 is in threaded connection with the cam connector 1-3, the other end of the adjusting threaded rod 1-4 is rotatably installed on the adjusting threaded rod 1-4, and the rubber ring 1-6 is fixedly installed on the adjusting threaded rod 1-4.

The third concrete implementation mode:

the second embodiment is further described with reference to fig. 1-11, wherein the polishing adjustment mechanism 2 includes a support spring 2-1, a vertical frame 2-2, a manual rotating disc 2-3, a worm 2-4, a worm wheel 2-5, a connecting rod 2-6, and a polishing stone 2-7, the vertical frame 2-2 is slidably mounted in a groove formed on a base 1-1, one end of the support spring 2-1 is fixedly mounted on the vertical frame 2-2, the other end of the support spring 2-1 is fixedly mounted on the base 1-1, the manual rotating disc 2-3 is rotatably mounted in a groove formed on the vertical frame 2-2, the manual rotating disc 2-3 is fixedly connected with the worm 2-4, the other end of the worm 2-4 is rotatably mounted in a groove formed on the vertical frame 2-2, the worm 2-4 is meshed with the worm wheel 2-5, the worm wheel 2-5 is rotatably arranged in a groove arranged on the vertical frame 2-2, the worm wheel 2-5 is fixedly connected with the connecting rod 2-6, and the grinding stone 2-7 is fixedly arranged on the connecting rod 2-6.

The fourth concrete implementation mode:

the second embodiment is further described with reference to fig. 1-11, wherein the position adjusting mechanism 3 includes a displacement motor 3-1, a motor gear 3-2, a displacement sprocket 3-3, a displacement threaded rod 3-4, an intermediate plate 3-5, and a transmission chain 3-6, the displacement motor 3-1 is fixedly mounted in a groove formed on the base 1-1, the motor gear 3-2 is fixedly mounted at the output end of the displacement motor 3-1, the motor gear 3-2 is engaged with the displacement sprocket 3-3, the displacement sprocket 3-3 is fixedly mounted on the displacement threaded rod 3-4, the displacement threaded rod 3-4 is rotatably mounted in a groove formed on the base 1-1, the displacement threaded rod 3-4 is in threaded connection with the intermediate plate 3-5, the displacement chain wheel 3-3 is meshed with the transmission chain 3-6.

The fifth concrete implementation mode:

the fourth embodiment is further described with reference to fig. 1-11, wherein the unidirectional power mechanism 4 includes a motor 4-1 for shifting, a mounting frame 4-2, a middle sprocket 4-3, a connecting chain 4-4, and a side sprocket 4-5, the motor 4-1 for shifting is fixedly mounted in a groove formed on the middle plate 3-5, an output end of the motor 4-1 for shifting passes through the mounting frame 4-2 and is fixedly mounted with the middle sprocket 4-3, the middle sprocket 4-3 is engaged with the connecting chain 4-4, the connecting chain 4-4 is engaged with the side sprocket 4-5, the side sprocket 4-5 is rotatably mounted in a groove formed on the mounting frame 4-2, the mounting frame 4-2 is fixedly mounted on the middle plate 3-5, the side chain wheel 4-5 is meshed with the bottom gear 1-2.

The sixth specific implementation mode:

the fourth embodiment is further described with reference to fig. 1-11, the angle adjusting mechanism 5 includes a disk member 5-1, a sliding foot 5-2, a bidirectional threaded rod 5-3, a hinged plate 5-4, a limit supporting plate 5-5, an adjusting motor 5-6, an adjusting gear 5-7, and a ring member 5-8, the sliding foot 5-2 is slidably mounted in a groove provided on the middle plate 3-5, the sliding foot 5-2 is in threaded connection with the bidirectional threaded rod 5-3, the bidirectional threaded rod 5-3 is rotatably mounted in a groove provided on the middle plate 3-5, one end of the bidirectional threaded rod 5-3 is fixedly mounted with the disk member 5-1, the sliding foot 5-2 is hinged with one end of the hinged plate 5-4, the other end of the hinged plate 5-4 is hinged with a limit supporting plate 5-5, a circular ring piece 5-8 is rotatably arranged on the limit supporting plate 5-5, the circular ring piece 5-8 is meshed with an adjusting gear 5-7, the adjusting gear 5-7 is fixedly arranged at the output end of an adjusting motor 5-6, and the adjusting motor 5-6 is fixedly arranged on the limit supporting plate 5-5.

The seventh embodiment:

this embodiment will be described below with reference to fig. 1 to 11, and this embodiment will further describe embodiment six, the cutter fixing mechanism 6 comprises a cutter frame 6-1, a clamping piece 6-2, a clamping threaded rod 6-3, a fixed pushing piece 6-4 and an extrusion threaded rod 6-5, the cutter frame 6-1 is fixedly arranged on a circular ring piece 5-8, the circular ring piece 5-8 is in threaded connection with the extrusion threaded rod 6-5, the extrusion threaded rod 6-5 is rotatably arranged in a groove arranged on the fixed pushing piece 6-4, the clamping piece 6-2 is slidably arranged in a groove arranged on the cutter frame 6-1, the clamping threaded rod 6-3 is in threaded connection with the clamping piece 6-2, and the clamping threaded rod 6-3 is rotatably arranged in a groove arranged on the cutter frame 6-1.

The invention relates to a cutter polishing device, which has the working principle that:

the cutting edge of a knife to be polished is downwards inserted into a groove of a knife rest 6-1 and positioned between clamping pieces 6-2 on two sides, a threaded rod 6-3 for clamping is rotated manually, the threaded rod 6-3 for clamping drives the clamping pieces 6-2 to move towards the middle, so that the knife is clamped and fixed, the clamping pieces 6-2 on two sides move synchronously, the knife can be ensured to be in the middle position of the knife rest 6-1, the knife is effectively positioned, the threaded rod 6-5 is extruded in a rotating mode, a fixed pushing piece 6-4 moves downwards, the knife is extruded from the upper side, the knife is fixed from three directions through the fixed pushing piece 6-4 and the clamping piece 6-2, and the fixing effect is more stable.

The manual rotary table 2-3 is rotated manually, the manual rotary table 2-3 drives the worm 2-4 to rotate, the worm 2-4 drives the worm wheel 2-5 to rotate, the worm wheel 2-5 drives the polishing stone 2-7 to rotate through the connecting rod 2-6, and the angle of the contact between the polishing surface of the polishing stone 2-7 and the blade is adjusted through the rotation of the polishing stone 2-7, so that the purpose that the device can polish the cutter from different angles is achieved.

Starting a motor 3-1 for displacement, driving a motor gear 3-2 to rotate by the motor 3-1 for displacement, driving a chain wheel 3-3 for displacement to rotate by the motor gear 3-2, driving a threaded rod 3-4 for displacement to rotate by the sprocket 3-3 for displacement, so that an intermediate plate 3-5 approaches to a base 1-1 at one side along the threaded rod 3-4 for displacement, causing a side chain wheel 4-5 to be meshed with a bottom gear 1-2, simultaneously inserting the blade part of a cutter frame 6-1 to be contacted with a grinding stone 2-7, starting a motor 4-1 for stirring at the moment, driving an intermediate chain wheel 4-3 to rotate by the motor 4-1, driving a side chain wheel 4-5 to rotate by the intermediate chain wheel 4-3 through a connecting chain 4-4, driving the bottom gear 1-2 to rotate by the side chain wheel 4-5, the bottom gear 1-2 drives the cam connecting piece 1-3 to rotate, the cam connecting piece 1-3 drives the semicircular piece 1-5 to rotate through the adjusting threaded rod 1-4, the semicircular piece 1-5 rotates to extrude the vertical frame 2-2, the vertical frame 2-2 drives the polishing stone 2-7 to move, so that the polishing stone 2-7 polishes a cutter contacted with the semicircular piece, the vertical frame 2-2 moves to extrude the supporting spring 2-1, when the semicircular piece 1-5 is separated from the vertical frame 2-2, the supporting spring 2-1 supports the vertical frame 2-2, so that the vertical frame 2-2 is reset, the position of the polishing stone 2-7 is reset, the purpose of polishing the cutter back and forth by the polishing stone 2-7 is realized, when the middle plate 3-5 moves towards the base 1-1 on the other side, the other side of the cutter can be polished, wherein the threaded rod 1-4 is adjusted in a rotating mode, the semicircular piece 1-5 is controlled in a telescopic mode, so that the distance that the semicircular piece 1-5 pushes the vertical frame 2-2 is controlled, and the polishing distance of the polishing stone 2-7 is controlled.

Starting the adjusting motor 5-6 to enable the adjusting gear 5-7 to drive the ring piece 5-8 to rotate, so that the tool rest 6-1 rotates and further drives the tool to incline, at the moment, the polishing stone 2-7 changes the polishing direction of the tool when polishing the tool, so that the polishing function of the tool in different directions is realized, the disc piece 5-1 is rotated, the disc piece 5-1 drives the bidirectional threaded rod 5-3 to rotate, so that the sliding feet 5-2 on two sides move, the hinged plates 5-4 on two sides support the limiting supporting plate 5-5 to move upwards, the height of the limiting supporting plate 5-5 is changed, the purpose of changing the height of the tool is achieved, and the adjusting motor can be adjusted according to the size of the tool, so that the position of the cutting edge corresponds to the position of the polishing stone 2-7.

It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and that various changes, modifications, additions and substitutions which are within the spirit and scope of the present invention and which may be made by those skilled in the art are also within the scope of the present invention.

Claims

1. The utility model provides a cutter grinding device, is including stirring and base (1), adjustment mechanism (2) of polishing, position guiding mechanism (3), one-way power unit (4), angle guiding mechanism (5) and cutter fixed establishment (6), its characterized in that: polishing adjustment mechanism (2) slidable mounting stir and in the recess that sets up on base (1), the both sides of position adjustment mechanism (3) fixed mounting stir and base (1) respectively, one-way power unit (4) fixed mounting is on position adjustment mechanism (3), angle adjustment mechanism (5) fixed mounting is on position adjustment mechanism (3), cutter fixed mounting (6) fixed mounting is on angle adjustment mechanism (5).

2. A tool sharpening device according to claim 1, wherein: the toggle and base (1) comprises a base (1-1), a bottom gear (1-2), a cam connecting piece (1-3), an adjusting threaded rod (1-4), a semicircular piece (1-5) and a rubber ring (1-6), wherein the bottom gear (1-2) is rotatably installed in a groove formed in the base (1-1), the cam connecting piece (1-3) is fixedly installed on the bottom gear (1-2), the adjusting threaded rod (1-4) is in threaded connection with the cam connecting piece (1-3), the other end of the adjusting threaded rod (1-4) is rotatably installed on the adjusting threaded rod (1-4), and the rubber ring (1-6) is fixedly installed on the adjusting threaded rod (1-4).

3. A tool sharpening device according to claim 2, wherein: the polishing adjusting mechanism (2) comprises a supporting spring (2-1), a vertical frame (2-2), a manual rotating disc (2-3), a worm (2-4), a worm wheel (2-5), a connecting rod (2-6) and a polishing stone (2-7), wherein the vertical frame (2-2) is slidably arranged in a groove arranged on a base (1-1), one end of the supporting spring (2-1) is fixedly arranged on the vertical frame (2-2), the other end of the supporting spring (2-1) is fixedly arranged on the base (1-1), the manual rotating disc (2-3) is rotatably arranged in the groove arranged on the vertical frame (2-2), the manual rotating disc (2-3) is fixedly connected with the worm (2-4), the other end of the worm (2-4) is rotatably arranged in the groove arranged on the vertical frame (2-2), the worm (2-4) is meshed with the worm wheel (2-5), the worm wheel (2-5) is rotatably arranged in a groove arranged on the vertical frame (2-2), the worm wheel (2-5) is fixedly connected with the connecting rod (2-6), and the grinding stone (2-7) is fixedly arranged on the connecting rod (2-6).

4. A tool sharpening device according to claim 2, wherein: the position adjusting mechanism (3) comprises a motor (3-1) for displacement, a motor gear (3-2), a chain wheel (3-3) for displacement, a threaded rod (3-4) for displacement, an intermediate plate (3-5) and a transmission chain (3-6), wherein the motor (3-1) for displacement is fixedly arranged in a groove arranged on the base (1-1), the motor gear (3-2) is fixedly arranged at the output end of the motor (3-1) for displacement, the motor gear (3-2) is meshed with the chain wheel (3-3) for displacement, the chain wheel (3-3) for displacement is fixedly arranged on the threaded rod (3-4) for displacement, the threaded rod (3-4) for displacement is rotatably arranged in a groove arranged on the base (1-1), and the threaded rod (3-4) for displacement is in threaded connection with the intermediate plate (3-5), the displacement chain wheel (3-3) is meshed with the transmission chain (3-6).

5. The tool sharpening device of claim 4, wherein: the unidirectional power mechanism (4) comprises a poking motor (4-1), an installation frame (4-2), a middle chain wheel (4-3), a connecting chain (4-4) and a side chain wheel (4-5), the poking motor (4-1) is fixedly installed in a groove formed in the middle plate (3-5), the output end of the poking motor (4-1) penetrates through the installation frame (4-2) and is fixedly provided with the middle chain wheel (4-3), the middle chain wheel (4-3) is meshed with the connecting chain (4-4), the connecting chain (4-4) is meshed with the side chain wheel (4-5), the side chain wheel (4-5) is rotatably installed in the groove formed in the installation frame (4-2), the installation frame (4-2) is fixedly installed on the middle plate (3-5), the side chain wheel (4-5) is meshed with the bottom gear (1-2).

6. The tool sharpening device of claim 4, wherein: the angle adjusting mechanism (5) comprises a disc piece (5-1), a sliding foot (5-2), a bidirectional threaded rod (5-3), a hinged plate (5-4), a limiting supporting plate (5-5), an adjusting motor (5-6), an adjusting gear (5-7) and a circular piece (5-8), wherein the sliding foot (5-2) is slidably arranged in a groove arranged on the middle plate (3-5), the sliding foot (5-2) is in threaded connection with the bidirectional threaded rod (5-3), the bidirectional threaded rod (5-3) is rotatably arranged in a groove arranged on the middle plate (3-5), the disc piece (5-1) is fixedly arranged at one end of the bidirectional threaded rod (5-3), and the sliding foot (5-2) is hinged with one end of the hinged plate (5-4), the other end of the hinged plate (5-4) is hinged with a limiting supporting plate (5-5), a ring piece (5-8) is rotatably arranged on the limiting supporting plate (5-5), the ring piece (5-8) is meshed with an adjusting gear (5-7), the adjusting gear (5-7) is fixedly arranged at the output end of an adjusting motor (5-6), and the adjusting motor (5-6) is fixedly arranged on the limiting supporting plate (5-5).

7. The tool sharpening device of claim 6, wherein: the cutter fixing mechanism (6) comprises a cutter frame (6-1), a clamping piece (6-2), a threaded rod (6-3) for clamping, a fixed pushing piece (6-4) and an extrusion threaded rod (6-5), the tool rest (6-1) is fixedly arranged on the circular ring piece (5-8), the circular ring piece (5-8) is in threaded connection with the extrusion threaded rod (6-5), the extrusion threaded rod (6-5) is rotatably arranged in a groove arranged on the fixed pushing piece (6-4), the clamping piece (6-2) is slidably arranged in the groove arranged on the tool rest (6-1), the clamping threaded rod (6-3) is in threaded connection with the clamping piece (6-2), and the clamping threaded rod (6-3) is rotatably arranged in the groove arranged on the tool rest (6-1).