Automatic tool sharpener

Abstract

The utility model discloses an automatic tool sharpener, and belongs to the field of tool sharpeners. The water tank and the water pump are fixedly connected to the upper surface of the base, the support is fixedly connected to the back face of the water tank, the frame body is fixedly connected to the back face of the support, the threaded rod is rotationally connected to the inner bottom wall of the frame body, the rotating handle is fixedly connected to the other end of the threaded rod, and the threaded block is in threaded connection to the outer side of the threaded rod. The mounting plate is fixedly connected to the front face of the threaded block, the first motor is fixedly connected to the front face of the mounting plate, the grinding wheel is fixedly connected to an output shaft of the first motor, the water pumping end and the water outlet end of the water pump are fixedly connected with a water pumping pipe and a water outlet pipe correspondingly, and an auxiliary structure used for assisting in grinding a knife is arranged on the inner side of the base. According to the automatic tool sharpener, an auxiliary structure is introduced, the front-back reciprocating motion of the containing disc in the horizontal direction is achieved, the rotary motion of the grinding wheel is matched, a more complex and fine grinding path can be completed, and therefore the uniformity and sharpness of the blade face of a tool are guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of knife grinder, concretely relates to an automatic knife grinder. BACKGROUND

[0002] In the field of machining and tool maintenance, the sharpness and durability of the tool directly affect the machining efficiency and product quality.

[0003] The manual knife grinding method is not only inefficient, but also difficult to ensure the uniformity and sharpness of the tool edge, especially when dealing with complex-shaped or high-precision tools, it is even more difficult to meet the requirements. Therefore, there is an increasing demand for automatic, efficient and high-precision knife grinding equipment in the market. Although the existing automatic knife grinder realizes the automatic grinding of the tool to some extent, it still has problems such as complex structure, cumbersome operation and single grinding path, which cannot meet the grinding needs of various tools. SUMMARY

[0004] The technical problem to be solved by the utility model is to provide an automatic knife grinder with the advantages of improving the knife grinding efficiency and precision.

[0005] In order to solve the above technical problem, the technical scheme of the utility model is as follows: an automatic knife grinder, comprising a base, a water tank and a water pump fixedly connected to the upper surface of the base, a support fixedly connected to the back of the water tank, a frame fixedly connected to the back of the support, a threaded rod rotatably connected to the inner bottom wall of the frame, a rotating handle fixedly connected to the other end of the threaded rod, a threaded block screwedly connected to the outer side of the threaded rod, a mounting plate fixedly connected to the front of the threaded block, a first motor fixedly connected to the front of the mounting plate, and a grinding wheel fixedly connected to the output shaft of the first motor, the water suction end and the water outlet end of the water pump are fixedly connected with a water suction pipe and a water outlet pipe respectively, and the inner side of the base is provided with an auxiliary structure for assisting the grinding of the knife.

[0006] The auxiliary structure comprises a second motor fixedly connected to the inner bottom wall of the base, a transmission wheel fixedly connected to the front of the output shaft of the second motor, a transmission belt transmissionally connected to the outer surface of the transmission wheel, a driven wheel transmissionally connected to the other end of the transmission belt, a fixed rod fixedly connected to the inner side of the center of the driven wheel, a speed reducer fixedly connected to the one end of the back of the fixed rod, a crank fixedly connected to the left side connecting end of the speed reducer, a rope reel rotatably connected to the left end of the connecting rod of the crank, a steel wire rope slidingly connected to the inner side of the rope groove of the rope reel, a fixed block fixedly connected between the two ends of the steel wire rope, and a placing disc fixedly connected to the upper surface of the fixed block.

[0007] Preferably, the grinding wheel corresponds to the placing disc in up and down direction, one end of the water suction pipe away from the water pump is fixedly connected with the connecting port of the water tank, and the water outlet of the water outlet pipe corresponds to the placing disc in up and down direction.

[0008] Preferably, the inner side of the rope disc is provided with a connecting rotating hole, the connecting rod on the left side of the crank is rotationally connected with the rope disc through the connecting rotating hole, and the connecting rotating hole is located above the center of the rope disc.

[0009] Preferably, the front surface of the top of the base and the back surface of the top are both provided with a rope opening matched with the steel wire rope, one end of the steel wire rope passes through the corresponding rope opening and is fixedly connected with the corresponding surface of the fixed block.

[0010] Preferably, the front surface of the top of the base and the back surface of the top are both provided with a rope opening matched with the steel wire rope, one end of the steel wire rope passes through the corresponding rope opening and is fixedly connected with the corresponding surface of the fixed block.

[0011] Preferably, the top surface of the base is fixedly connected with two slide rails, and the two slide rails are located on the left side and the right side of the auxiliary wheel respectively.

[0012] Preferably, the front surface of the base is hingedly connected with an equipment maintenance door, and the front surface of the equipment maintenance door is provided with a plurality of heat dissipation holes.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] By introducing the auxiliary structure, the reciprocating motion of the placement disc in the horizontal direction is realized, and the rotation of the grinding wheel is matched, so that a more complex and fine grinding path can be completed, so that the uniformity and sharpness of the cutting tool edge are ensured, the grinding precision is improved, the threaded transmission mode of the threaded rod and the threaded block is adopted, the height of the grinding wheel can be easily adjusted by the user to adapt to different sizes and types of cutting tools, and the operation is simple and fast. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the utility model;

[0016] Figure 2 It is a perspective view of the frame, the threaded rod, the threaded block and the mounting plate in the structure of the utility model;

[0017] Figure 3 It is a front view of the utility model. DETAILED DESCRIPTION

[0018] The specific embodiments of the utility model will be further described below with reference to the drawings. It should be noted that the description of these embodiments is used to help understand the utility model, but does not constitute a limitation on the utility model. In addition, the technical features involved in each embodiment of the utility model described below can be combined with each other as long as they do not conflict with each other.

[0019] Please refer to Figures 1-3 An automatic knife sharpener, including base 1, fixedly connected to the upper surface of water tank 2 and water pump 3, fixedly connected to the back of the bracket 4, fixedly connected to the back of the frame 401, rotatably connected to the inner bottom wall of the threaded rod 5, fixedly connected to the other end of the threaded rod 5, rotatable handle 6, threaded connection in the outer side of the threaded rod 5 threaded block 7, fixedly connected to the front of the mounting plate 8, fixedly connected to the front of the mounting plate 8 first motor 9 and fixedly connected to the output shaft of the first motor 9 polishing wheel 10, the water pump 3 and the water outlet end of the water pump 3 are fixedly connected with the water pump 11 and the water outlet pipe 12, the inside of the base 1 is provided with auxiliary structure for assisting the knife grinding.

[0020] As Figure 1 The auxiliary structure includes a second motor 13 fixedly connected to the inner bottom wall of the base 1, a transmission wheel 14 fixedly connected to the front end of the output shaft of the second motor 13, a transmission belt 15 rotatably connected to the outer surface of the transmission wheel 14, a driven wheel 16 rotatably connected to the other end of the transmission belt 15, a fixed rod 17 fixedly connected to the inner side of the center of the driven wheel 16, a reducer 18 fixedly connected to the one end of the back of the fixed rod 17, a crank 19 fixedly connected to the left side connecting end of the reducer 18, a rope disc 20 rotatably connected to the left side connecting rod of the crank 19, a steel wire rope 21 slidably connected to the inner side of the rope groove of the rope disc 20, a fixed block 22 fixedly connected between the two ends of the steel wire rope 21 and a placing disc 23 fixedly connected to the upper surface of the fixed block 22.

[0021] The polishing wheel 10 is opposite to the placing disc 23, the one end of the water pump 11 away from the water pump 3 is fixedly connected with the connecting port of the water tank 3, and the water outlet of the water outlet pipe 12 corresponds to the placing disc 23.

[0022] The inner side of the rope disc 20 is provided with a connecting rotating hole, the connecting rod of the crank 19 is rotatably connected with the rope disc 20 through the connecting rotating hole, and the connecting rotating hole is located above the center of the rope disc 20, and the inner side of the center of the rope disc 20 is fixedly connected with a supporting rod 24, and the left end of the supporting rod 24 is rotatably connected with the inner left side wall of the base 1.

[0023] The front of the top of the base 1 and the back of the top are both provided with a rope opening matched with the steel wire rope 21, and one end of the steel wire rope 21 passes through the corresponding rope opening and is fixedly connected with the corresponding side of the fixed block 22.

[0024] The front of the top of the base 1 and the back of the top are fixedly connected with auxiliary wheels 25, and the auxiliary wheels 25 are composed of wheel frames fixed on the upper surface of the base 1 and wheel bodies rotatably connected between the left and right side walls in the wheel frames, and one end of the steel wire rope 21 penetrating through the rope opening is in contact with the wheel body of the corresponding auxiliary wheel 25.

[0025] The upper surface of the base 1 is fixedly connected with two slide rails 26, and the two slide rails 26 are located at the left and right sides of the auxiliary wheels 25 respectively, and the inner sides of the two slide rails 26 are slidably connected with slide blocks 27, and the two slide blocks 27 are fixedly connected to the left bottom and the right bottom of the placement disc 23 respectively.

[0026] The front of the base 1 is hingedly connected with an equipment maintenance door, and a plurality of heat dissipation holes are formed in the front of the equipment maintenance door.

[0027] The utility model is used as follows:

[0028] The user first rotates the threaded rod 5 by rotating the handle 6, drives the threaded block 7, the first motor 9 and the grinding wheel 10 on the mounting plate 8 to move up and down along the frame body 401 to the appropriate position by the threaded transmission principle, ensures that the initial contact point of the grinding wheel 10 and the tool to be ground is accurate, then starts the first motor 9, drives the grinding wheel 10 to rotate at high speed, grinds the tool fixed on the placement disc 23, at the same time, starts the water pump 3, extracts cooling water from the water tank 2 through the water suction pipe 11, sprays the tool placed on the placement disc 23 through the water outlet pipe 12, provides necessary cooling and lubrication for the grinding process, prevents the tool from overheating and aggravating abrasion;

[0029] The auxiliary structure drives the transmission system by the second motor 13, and transmits power to the speed reducer 18 through the transmission wheel 14, the transmission belt 15, the driven wheel 16 and the fixed rod 17, and drives the rope drum 20 to rotate through the crank 19, the rotation of the rope drum 20 pulls the fixed block 22 and the placement disc 23 through the steel wire rope 21, realizes the back and forth movement of the tool in the horizontal direction, completes the complex grinding path, and ensures the uniformity and sharpness of the tool edge;

[0030] Moreover, the auxiliary wheels 25 and the slide rails 26 system on the base 1 ensure the stability and accuracy of the placement disc 23 during movement, the auxiliary wheels 25 reduce friction and provide necessary guiding effect through the contact between the wheel body and the steel wire rope 21, and the combination of the slide rails 26 and the slide blocks 27 limits the unexpected movement of the placement disc 23, ensuring the smooth progress of the grinding operation.

[0031] Finally, it should be noted that the contents not described in detail in the specification belong to the prior art known to those skilled in the art, which can be realized by those skilled in the art without creative labor, so it is not repeated here.

[0032] The embodiments of the present application are described in detail in combination with the drawings, but the present application is not limited to the described embodiments. For those skilled in the art, various changes, modifications, replacements and variations of the embodiments can be made without departing from the principles and spirits of the present application, and still fall within the protection scope of the present application.

Claims

1. An automatic knife sharpener, comprising a base (1), a water tank (2) and a water pump (3) fixedly connected to the upper surface of the base (1), a bracket (4) fixedly connected to the back of the water tank (2), a frame (401) fixedly connected to the back of the bracket (4), a threaded rod (5) rotatably connected to the inner bottom wall of the frame (401), a rotating handle (6) fixedly connected to the other end of the threaded rod (5), a threaded block (7) threadedly connected to the outer side of the threaded rod (5), a mounting plate (8) fixedly connected to the front of the threaded block (7), a first motor (9) fixedly connected to the front of the mounting plate (8), and a grinding wheel (10) fixedly connected to the output shaft of the first motor (9), characterized in that: The water pump (3) has a water pump end and a water outlet end fixedly connected to a water pump pipe (11) and a water outlet pipe (12), respectively. An auxiliary structure for assisting knife sharpening is provided on the inner side of the base (1). The auxiliary structure comprises a second motor (13) fixedly connected to the inner bottom wall of the base (1), a transmission wheel (14) fixedly connected to one end of the front face of the output shaft of the second motor (13), a transmission belt (15) transmission-connected to the outer surface of the transmission wheel (14), a driven wheel (16) transmission-connected to the other end of the transmission belt (15), a fixed rod (17) fixedly connected to the inner side of the center of the driven wheel (16), a reducer (18) fixedly connected to one end of the back side of the fixed rod (17), a crank (19) fixedly connected to the left connecting end of the reducer (18), a rope drum (20) rotationally connected to the end of the left connecting rod of the crank (19), a steel wire rope (21) slidably connected to the inner side of the rope groove of the rope drum (20), a fixed block (22) fixedly connected between the two ends of the steel wire rope (21), and a placement plate (23) fixedly connected to the upper surface of the fixed block (22).

2. The automatic knife sharpener according to claim 1, characterized in that: The grinding wheel (10) corresponds to the placement plate (23) in upper and lower positions, the end of the water pump (11) away from the water pump (3) is fixedly connected to the connection port of the water tank (2), and the water outlet of the water outlet pipe (12) corresponds to the placement plate (23) in upper and lower positions.

3. The automatic knife sharpener according to claim 1, characterized in that: A connecting hole is provided on the inner side of the rope drum (20), and the connecting rod on the left side of the crank (19) is rotatably connected to the rope drum (20) through the connecting hole, and the connecting hole is located above the center of the rope drum (20). A support rod (24) is fixedly connected to the inner side of the center of the rope drum (20), and the left end of the support rod (24) is rotatably connected to the inner left side wall of the base (1).

4. The automatic knife sharpener according to claim 1, characterized in that: The front and back sides of the top of the base (1) are both provided with rope openings adapted to the steel wire rope (21), and one end of the steel wire rope (21) passes through the corresponding rope openings and is fixedly connected to a corresponding side of the fixing block (22).

5. The automatic knife sharpener according to claim 1, characterized in that: Auxiliary wheels (25) are fixedly connected to the front and back of the top of the base (1), and the auxiliary wheels (25) are composed of a wheel frame fixed to the upper surface of the base (1) and a wheel body rotatably connected between the left and right side walls of the wheel frame, and one end of the steel wire rope (21) passing through the rope mouth contacts the wheel body of the corresponding auxiliary wheel (25).

6. The automatic knife sharpener according to claim 1, characterized in that: Two slide rails (26) are fixedly connected to the upper surface of the base (1), and the two slide rails (26) are respectively located on the left and right sides of the auxiliary wheel (25). The inner sides of the two slide rails (26) are slidably connected to sliders (27), and the two sliders (27) are respectively fixedly connected to the left and right sides of the bottom of the placement tray (23).

7. The automatic knife sharpener according to claim 1, characterized in that: The front of the base (1) is hinged with an equipment maintenance door, and the front of the equipment maintenance door is provided with a plurality of heat dissipation holes.

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