Knife sharpening direction automatic adjusting device for knife sharpener

Abstract

The utility model relates to the technical field of tool sharpeners, in particular to an automatic tool sharpening direction adjusting device for a tool sharpener, which comprises a working box and a tool. A cutter is placed in the cutter fixing box and then fixed through a hexagon bolt, the height of the hydraulic rod is adjusted according to the cutting edge grinding requirement of the cutter, the third motor drives the rotating shaft to rotate through the worm and the worm gear, the rotating shaft drives the cutter fixing box to rotate, and the bottom of the cutter fixing box makes contact with the cushion block after rotating. The first motor drives the grinding wheel to rotate, the extending end of the electric telescopic rod drives the grinding wheel to move downwards and grind the cutter, then the second motor is started, the second motor drives the screw rod to rotate, the screw rod drives the rectangular block to move transversely, and therefore the grinding wheel is driven to move transversely to grind the cutter. Therefore, the inclination angle of the cutter can be automatically adjusted according to the blade inclination angle requirements of different cutters, the grinding direction can be automatically adjusted, and the grinding precision is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of knife sharpeners, in particular to an automatic adjustment device for the sharpening direction of a knife sharpener. Background Art

[0002] The tool sharpening machine is mainly used for grinding tools of turning tools, drills, milling cutters, engraving knives, computer engraving machines, die-cutting milling machines, machining centers, CNC, engraving machines, engraving machines, marking machines, cutting machines and other equipment.

[0003] In actual use, due to the different uses of different knives, the blade inclination angles that need to be sharpened are different. The traditional grinding method is to fix the knife and then grind it with a manual handheld sharpener. The sharpening direction cannot be automatically adjusted, the accuracy is poor, and the efficiency is low. Therefore, we propose an automatic sharpening direction adjustment device for a sharpener to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a device for automatically adjusting the sharpening direction of a knife sharpener to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic adjustment device for the sharpening direction of a knife sharpener, comprising a working box and a tool, a rotating shaft rotatably connected between the front and rear inner walls of the working box, a tool fixing box is fixedly connected to the outside of the rotating shaft, two support frames are fixedly connected to the top of the working box, a screw is rotatably connected between the two support frames, a rectangular block is threadedly connected to the outside of the screw, an electric telescopic rod is fixedly connected to the bottom of the rectangular block, the extended end of the electric telescopic rod is fixedly connected to a first motor, a grinding wheel is fixedly connected to the end of the output shaft of the first motor, an inclined hydraulic rod is fixedly connected to the bottom inner wall of the working box, and a cushion block is fixedly connected to the extended end of the hydraulic rod.

[0006] Further preferably, a square rod is fixedly connected between the two support frames, and the rectangular block is slidably sleeved on the outside of the square rod.

[0007] Further preferably, a second motor is fixedly connected to the front side of one of the front support frames, and an end portion of an output shaft of the second motor is fixedly connected to the front end of the screw rod.

[0008] Further preferably, the front end of the rotating shaft extends to the outside of the front side of the working box and is fixedly connected to a worm gear.

[0009] Further preferably, two fixing plates are fixedly connected to the front side of the working box, a worm is rotatably connected between the two fixing plates, and the worm is meshed with the worm wheel.

[0010] Further preferably, a third motor is fixedly connected to the top of the upper fixing plate, and an end of an output shaft of the third motor is fixedly connected to the top of the worm.

[0011] Further preferably, the tool fixing box is fixedly connected to the tool by means of hexagonal bolts.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model places the tool into the tool fixing box and then fixes it with a hexagonal bolt, adjusts the height of the hydraulic rod according to the blade grinding requirement of the tool, and then starts the third motor, the output shaft of the third motor drives the worm to rotate, the worm drives the worm wheel to rotate, the worm wheel drives the rotating shaft to rotate, the rotating shaft drives the tool fixing box to rotate, the bottom of the tool fixing box rotates and contacts with the cushion block, starts the first motor, the first motor drives the grinding wheel to rotate, the extended end of the electric telescopic rod drives the first motor to move downward, so that the grinding wheel moves downward and grinds the tool, and then starts the second motor, the output shaft of the second motor drives the screw to rotate, the screw drives the rectangular block to move horizontally, thereby driving the grinding wheel to move horizontally to grind the tool, so that the inclination angle of the tool can be automatically adjusted according to the blade inclination angle requirements of different tools, so that the grinding direction can be automatically adjusted, so that the grinding accuracy is higher. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the main three-dimensional structure of the utility model;

[0014] Figure 2 It is a top view of the three-dimensional structure of the utility model;

[0015] Figure 3 for Figure 1 A schematic diagram of the enlarged three-dimensional structure of the middle A area;

[0016] Figure 4 for Figure 2 Schematic diagram of the enlarged three-dimensional structure of area B in the middle.

[0017] In the figure: 1. working box; 2. rotating shaft; 3. tool fixing box; 4. tool; 5. supporting frame; 6. screw rod; 7. rectangular block; 8. electric telescopic rod; 9. first motor; 10. grinding wheel; 11. hydraulic rod; 12. pad block; 13. square rod; 14. second motor; 15. worm gear; 16. fixing plate; 17. worm; 18. third motor; 19. hexagonal bolt. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] Example

[0020] See also Figure 1-4 The utility model provides a technical solution: an automatic adjustment device for the sharpening direction of a knife sharpener, comprising a working box 1 and a tool 4, a rotating shaft 2 is rotatably connected between the front and rear inner walls of the working box 1, a tool fixing box 3 is fixedly connected to the outside of the rotating shaft 2, two support frames 5 are fixedly connected to the top of the working box 1, a screw rod 6 is rotatably connected between the two support frames 5, a rectangular block 7 is threadedly connected to the outside of the screw rod 6, an electric telescopic rod 8 is fixedly connected to the bottom of the rectangular block 7, a first motor 9 is fixedly connected to the extended end of the electric telescopic rod 8, a grinding wheel 10 is fixedly connected to the output shaft end of the first motor 9, an inclined hydraulic rod 11 is fixedly connected to the bottom inner wall of the working box 1, a cushion block 12 is fixedly connected to the extended end of the hydraulic rod 11, the tool 4 is placed in the tool fixing box 3, and then fixed by a hexagonal bolt 19, and the hydraulic pressure is adjusted according to the grinding requirements of the blade of the tool 4. The height of the pressure rod 11 is adjusted, and then the third motor 18 is started. The output shaft of the third motor 18 drives the worm 17 to rotate, and the worm 17 drives the worm wheel 15 to rotate. The worm wheel 15 drives the rotating shaft 2 to rotate, and the rotating shaft 2 drives the tool fixing box 3 to rotate. After the bottom of the tool fixing box 3 rotates, it contacts the cushion block 12, and the first motor 9 is started. The first motor 9 drives the grinding wheel 10 to rotate, and the extended end of the electric telescopic rod 8 drives the first motor 9 to move downward, so that the grinding wheel 10 moves downward and grinds the tool 4. Then the second motor 14 is started, and the output shaft of the second motor 14 drives the screw 6 to rotate, and the screw 6 drives the rectangular block 7 to move horizontally, thereby driving the grinding wheel 10 to move horizontally to grind the tool 4, so that the inclination angle of the tool 4 can be automatically adjusted according to the inclination angle requirements of the blade of different tools 4, so that the grinding direction can be automatically adjusted, so that the grinding accuracy is higher.

[0021] In this embodiment, specifically: a square rod 13 is fixedly connected between the two support frames 5, and the rectangular block 7 is slidably sleeved on the outside of the square rod 13, and the setting of the square rod 13 plays a positioning effect;

[0022] In this embodiment, specifically: a second motor 14 is fixedly connected to the front side of a front support frame 5, and the output shaft end of the second motor 14 is fixedly connected to the front end of the screw 6. The setting of the second motor 14 achieves an automation effect;

[0023] In this embodiment, specifically: the front end of the rotating shaft 2 extends to the outside of the front side of the working box 1 and is fixedly connected to the worm gear 15, and the setting of the worm gear 15 has a self-locking effect;

[0024] In this embodiment, specifically: two fixing plates 16 are fixedly connected to the front side of the working box 1, a worm 17 is rotatably connected between the two fixing plates 16, the worm 17 is meshed with the worm wheel 15, and the setting of the fixing plate 16 plays a fixing effect;

[0025] In this embodiment, specifically: the top of the upper fixed plate 16 is fixedly connected with a third motor 18, and the output shaft end of the third motor 18 is fixedly connected to the top of the worm 17, and the setting of the third motor 18 achieves an automation effect;

[0026] In this embodiment, specifically: the tool fixing box 3 is fixedly connected to the tool 4 via the hexagonal bolts 19, and the provision of the hexagonal bolts 19 has a fixing effect.

[0027] The utility model is in operation: when in use, the tool 4 is placed in the tool fixing box 3, and then fixed by the hexagonal bolt 19, and the height of the hydraulic rod 11 is adjusted according to the blade grinding requirement of the tool 4, and then the third motor 18 is started, and the output shaft of the third motor 18 drives the worm 17 to rotate, the worm 17 drives the worm wheel 15 to rotate, the worm wheel 15 drives the rotating shaft 2 to rotate, the rotating shaft 2 drives the tool fixing box 3 to rotate, and the bottom of the tool fixing box 3 rotates and contacts with the cushion block 12, and the first motor 9 is started, and the first motor 9 drives the grinding wheel 10 to rotate, and the electric telescopic The extended end of the rod 8 drives the first motor 9 to move downward, so that the grinding wheel 10 moves downward and grinds the tool 4, and then the second motor 14 is started, and the output shaft of the second motor 14 drives the screw 6 to rotate, and the screw 6 drives the rectangular block 7 to move horizontally, thereby driving the grinding wheel 10 to move horizontally to grind the tool 4, thereby forming an automatic adjustment device for the grinding direction of the knife sharpener, which can automatically adjust the inclination angle of the tool 4 according to the requirements of the blade inclination angle of different tools 4, so as to automatically adjust the grinding direction, so that the grinding accuracy is higher.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for automatically adjusting the direction of a knife sharpening machine, comprising a working box (1) and a knife (4), characterized in that: A rotating shaft (2) is rotatably connected between the front and rear inner walls of the working box (1), a tool fixing box (3) is fixedly connected to the outer side of the rotating shaft (2), two support frames (5) are fixedly connected to the top of the working box (1), a screw rod (6) is rotatably connected between the two support frames (5), a rectangular block (7) is threadedly connected to the outer side of the screw rod (6), an electric telescopic rod (8) is fixedly connected to the bottom of the rectangular block (7), a first motor (9) is fixedly connected to the extended end of the electric telescopic rod (8), a grinding wheel (10) is fixedly connected to the end of the output shaft of the first motor (9), an inclined hydraulic rod (11) is fixedly connected to the inner wall of the bottom of the working box (1), and a cushion block (12) is fixedly connected to the extended end of the hydraulic rod (11).

2. The automatic adjustment device for the sharpening direction of a knife sharpener according to claim 1, characterized in that: A square rod (13) is fixedly connected between the two support frames (5), and the rectangular block (7) is slidably sleeved on the outer side of the square rod (13).

3. The automatic adjustment device for the sharpening direction of a knife sharpener according to claim 2, characterized in that: A second motor (14) is fixedly connected to the front side of one of the front support frames (5), and the end of the output shaft of the second motor (14) is fixedly connected to the front end of the screw rod (6).

4. The automatic adjustment device for the sharpening direction of a knife sharpener according to claim 3, characterized in that: The front end of the rotating shaft (2) extends to the outside of the front side of the working box (1) and is fixedly connected to a worm gear (15).

5. The automatic adjustment device for the sharpening direction of a knife sharpener according to claim 4, characterized in that: Two fixed plates (16) are fixedly connected to the front side of the working box (1), a worm (17) is rotatably connected between the two fixed plates (16), and the worm (17) is meshed with the worm wheel (15).

6. The automatic adjustment device for the sharpening direction of a knife sharpener according to claim 5, characterized in that: A third motor (18) is fixedly connected to the top of the upper fixing plate (16), and the end of the output shaft of the third motor (18) is fixedly connected to the top of the worm (17).

7. The automatic adjustment device for the sharpening direction of a knife sharpener according to claim 6, characterized in that: The tool fixing box (3) is fixedly connected to the tool (4) via a hexagonal bolt (19).

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