Turning tool sharpening auxiliary device
By designing a turning tool sharpening auxiliary device, the automatic tool retraction function of the tool retraction mechanism and the coil spring assembly are used to solve the problem that the manual operation of the sharpener is difficult to accurately control, and the sharpening accuracy and safety are improved.
Patent Information
- Application Number
- CN202420465723.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-11
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2034-03-11
AI Technical Summary
During the sharpening process of existing sharpening machines, it is difficult for operators to accurately control the angle and strength of the turning tool, resulting in uneven sharpening of the sharpening tool, and it is easy to shift and vibration when manually pushing the turning tool, affecting the sharpening effect.
A tool turning sharpening auxiliary device is designed, including a tool retracting mechanism, including a mounting frame, a guide rotating shaft, a coil spring assembly and a tool holder. By fixing the tool turning and using the coil spring assembly, it provides automatic tool retracting function to reduce manual thrust demand. Improve sharpening accuracy.
This device allows the operator to manually hold the turning tool, and sharpen the knife by pushing the tool holder. The automatic tool retraction function avoids excessive sharpening and improves sharpening accuracy and safety.
Smart Images
Figure CN222176958U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of mechanical engineering equipment, and in particular relates to a turning tool sharpening auxiliary device. Background Art
[0002] In the mechanical manufacturing industry, mechanical processing is inseparable from a variety of tools. There are many types of tools, and commonly used ones include turning tools, drills, face milling cutters, end mills, and planers. The tools will gradually become blunt during the processing process. If the blunt tools are not replaced or sharpened in time, not only will the accuracy and surface quality of the workpiece be affected, but the tool will also be easily damaged, causing the tool to be scrapped. Usually, after the tool becomes blunt, the staff will repair the blunt turning tool by sharpening it. The sharpening is mainly done with the help of a sharpener. However, in the actual sharpening process, the sharpening effect depends to a large extent on the skills of the operator. The operator adjusts the angle and feed degree of the turning tool by operating the sharpener. A sharpener in the prior art, such as Figure 1 As shown, when the turning tool is ground, the cooperation of the push ruler and the workbench can realize the grinding of the turning tool at different angles. However, during the grinding process, due to the small size of the tool handle and the two sides need to fit with the workbench surface and the side of the push ruler, the staff can only pinch the tool handle with the thumb and index finger when sharpening the tool, and push the turning tool back and forth along the workbench and the push ruler. The accuracy and strength of manually pushing the turning tool cannot be controlled. In addition, when the workbench is tilted, it is necessary to apply vertical pressure to the turning tool. When the turning tool is manually driven, the vibration of the turning tool during the grinding process will also make the operator feel uncomfortable, and the turning tool will also shift under the action of vibration. Utility Model Content
[0003] The utility model aims to solve the problems related to manual tool sharpening using a tool sharpener in the prior art and to provide a tool sharpening auxiliary device.
[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a turning tool sharpening auxiliary device, including a tool retracting mechanism, the tool retracting mechanism is fixed on the push ruler of the tool sharpener, the tool retracting mechanism includes a mounting frame, a guide shaft, and a coil spring assembly, the mounting frame is fixed on the push ruler, the guide shaft is rotatably arranged on the mounting frame, a spiral track groove is opened on the circumference of the guide shaft, the coil spring assembly is arranged at one end of the guide shaft, and the coil spring assembly is used to drive the guide shaft to rotate; a tool seat, the tool seat is slidably arranged on one side of the tool retracting mechanism, a guide column is arranged on the tool seat, the guide column is adapted to the spiral track groove, and the tool seat is used to fix the turning tool to be sharpened.
[0005] As a further description of the above technical scheme: the mounting frame is composed of two end plates and a connecting rod, the guide shaft is rotatably arranged between the two end plates, the guide shaft is parallel to the connecting rod, and the coil spring assembly includes a coil spring sheet, a limit ring, and a limit end cover, the limit end cover is fixed to the end plate, one end of the guide shaft extends out from the limit end cover, the limit ring is rotatably arranged on the limit end cover, the limit ring is sleeved on the guide shaft, the coil spring sheet is sleeved on the guide shaft, one end of the coil spring sheet is fixed to the guide shaft, and the other end is fixed to the limit ring, the end face of the limit end cover is provided with a semi-arc rotation groove, the circumferential side of the limit ring is provided with a rotation flange, the rotation flange is rotatably adapted to the semi-arc rotation groove, and a limit pressure plate is also provided on the limit end cover, and the limit pressure plate corresponds to the rotation flange.
[0006] As a further description of the above technical solution: a fixed quick clamp is arranged on the tool holder, and the fixed quick clamp is used to fix the turning tool on the tool holder.
[0007] As a further description of the above technical solution: a driving handle is also provided on the knife seat.
[0008] As a further description of the above technical solution: a connecting block is slidably arranged on the connecting rod, the connecting block is fixedly connected to the knife seat, and the guide column is fixed on the connecting block.
[0009] As a further description of the above technical solution: a scale is arranged on the connecting rod, and the scale corresponds to the connecting block.
[0010] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:
[0011] In the utility model, when the operator is sharpening the knife, he does not need to manually hold the turning tool to perform the sharpening operation. When sharpening the knife, the turning tool is fixed on the knife seat and the knife seat can be directly pushed manually. Under the action of the knife retracting mechanism, the closer the tip of the turning tool is to the grinding wheel, the greater the force of pushing the knife seat is, which can avoid excessive sharpening due to uneven operating force during manual sharpening, and the turning tool can be automatically retracted when no thrust is used during sharpening. The auxiliary device of the present application can improve the accuracy of knife sharpening. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 A three-dimensional structural diagram of a knife sharpener of the background technology of the present utility model;
[0013] Figure 2 It is a schematic diagram of the utility model installed on a knife sharpening machine;
[0014] Figure 3 for Figure 2A in the enlarged view;
[0015] Figure 4 It is a three-dimensional structural schematic diagram of the utility model;
[0016] Figure 5 It is an exploded view of the knife retracting mechanism and coil spring assembly of the utility model.
[0017] Legend: 1. Knife sharpener; 2. Push ruler; 3. Knife retraction mechanism; 4. Guide shaft; 5. Spiral track groove; 6. Coil spring assembly; 7. Coil spring sheet; 8. Limiting ring; 9. Limiting end cover; 10. Semi-arc rotating groove; 11. Rotating flange; 12. Limiting pressure plate; 13. End plate; 14. Connecting rod; 15. Knife holder; 16. Fixed quick clamp; 17. Driving handle; 18. Scale; 19. Connecting block. 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 of 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] See also Figure 2-5 The utility model provides a technical solution for a turning tool sharpening auxiliary device:
[0020] A tool sharpening auxiliary device, including a tool retracting mechanism 3, the tool retracting mechanism 3 is fixed on the push ruler 2 of the tool sharpener 1, the tool retracting mechanism 3 includes a mounting frame, a guide shaft 4, and a coil spring assembly 6, the mounting frame is composed of two end plates 13 and a connecting rod 14, the two end plates 13 are parallel to each other, the two end plates 13 are connected by four connecting rods 14, the two end plates 13 are fixedly connected to the push ruler 2 of the tool sharpener 1 by bolts, the guide shaft 4 is rotatably arranged between the two end plates 13, one end of the guide shaft 4 extends out from one of the end plates 13, and the coil spring assembly 6 is arranged on one of the end plates 13 and connected to the guide shaft 4.
[0021] The coil spring assembly 6 includes a coil spring sheet 7, a limiting ring 8, and a limiting end cover 9. The limiting end cover 9 is fixed on the end plate 13. One end of the guide shaft 4 extends out from the limiting end cover 9. The limiting ring 8 is rotatably arranged on the limiting end cover 9. The end face of the limiting end cover 9 is provided with a semi-arc rotation groove 10. A rotating flange 11 is provided on the circumference of the limiting ring 8. The rotating flange 11 is rotatably adapted in the semi-arc rotation groove 10. A limiting pressure plate 12 is also provided on the limiting end cover 9. The limiting pressure plate 12 corresponds to the rotating flange 11. The limiting pressure plate 12 is set on the limiting end cover 9 by bolts. The limiting ring 8 is sleeved on the guide shaft 4. The coil spring sheet is sleeved on the guide shaft 4. One end of the coil spring sheet 7 is fixed to the guide shaft 4, and the other end is fixed to the limiting ring 8. The rotation of the rotation-limiting ring 8 is limited by adjusting the degree of pressing of the limiting pressure plate 12 on the rotating flange 11 .
[0022] A knife seat 15 is provided on the side of the knife retracting mechanism 3 away from the push ruler 2. The knife seat 15 is slidably arranged along the direction of the connecting rod 14 of the knife retracting mechanism 3. A connecting block 19 is slidably arranged on the connecting rod 14. The connecting block 19 is fixedly connected to the knife seat 15. A guide column is provided on the connecting block 19. A spiral track groove 5 is provided on the guide shaft 4. The guide column and the spiral track groove 5 are adapted to each other. When the guide shaft 4 rotates, the knife seat 15 is driven to move. When the knife seat 15 moves, the guide shaft 4 can also be driven to rotate.
[0023] The tool holder 15 is provided with a fixed quick clamp 16, which is used to fix the turning tool on the tool holder 15. The tool holder 15 is also provided with a driving handle 17. The driving handle 17 is arranged at one end of the tool holder 15 away from the grinding wheel of the knife sharpener 1. The connecting rod 14 is provided with a scale 18, which corresponds to the connecting block 19.
[0024] Working principle: When sharpening a tool, first place the tool on the tool holder 15, and clamp the tool to the tool holder 15 by fixing the quick clamp 16. Then adjust the angle and position of the tool to be sharpened by adjusting the angle and position of the push ruler 2, and then adjust the limit pressure plate 12 so that the rotation of the limit ring 8 is not restricted by adjusting the bolt, and then adjust the position of the tool relative to the grinding wheel of the sharpener 1 by pushing the handle. In the above process, the tool holder 15 moves along the connecting rod 14 with the tool, and the guide shaft 4 rotates while moving, and drives the coil spring 7 and the limit ring 8 to rotate. After the position of the tool holder 15 is determined by the scale 18 and the distance between the tool tip and the grinding wheel, adjust the limit pressure plate 12 by the bolt, so that the limit pressure plate 12 presses the rotating flange 11 so that the limit ring 8 cannot rotate.
[0025] Finally, the knife sharpening operation is performed, and the handle is pushed manually. At this time, the knife seat 15 drives the turning tool to move along the knife retracting mechanism 3, and makes the turning tool contact with the grinding wheel for sharpening. In the process of moving the turning tool, the guide column moves along the spiral track groove 5, so that the guide shaft 4 rotates, and the winding spring sheet 7 stores force. Therefore, when the operator loosens the handle during the sharpening process, the guide shaft 4 rotates in the opposite direction under the action of the winding spring sheet 7, and drives the knife seat 15 to move in the opposite direction. In the process of sharpening, the operator only needs to push the knife seat 15 to move, and as the tip of the knife is closer to the grinding wheel, the force required is greater, which can avoid over-sharpening and realize automatic knife retraction when retracting.
[0026] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A turning tool sharpening auxiliary device, Features The invention comprises a tool retracting mechanism (3), the tool retracting mechanism (3) being fixed on a push ruler (2) of a tool sharpening machine (1), the tool retracting mechanism (3) comprising a mounting frame, a guide shaft (4), and a coil spring assembly (6), the mounting frame being fixed on the push ruler (2), the guide shaft (4) being rotatably arranged on the mounting frame, a spiral track groove (5) being provided on the circumference of the guide shaft (4), the coil spring assembly (6) being arranged at one end of the guide shaft (4), the coil spring assembly (6) being used for driving the guide shaft (4) to rotate; and a tool holder (15), the tool holder (15) being slidably arranged on one side of the tool retracting mechanism (3), the tool holder (15) being provided with a guide column, the guide column being adapted to the spiral track groove (5), and the tool holder (15) being used for fixing a turning tool to be sharpened.
2. A turning tool sharpening auxiliary device according to claim 1, Features: The mounting frame is composed of two end plates (13) and a connecting rod (14); the guide shaft (4) is rotatably arranged between the two end plates (13); the guide shaft (4) is parallel to the connecting rod (14); the coil spring assembly (6) comprises a coil spring sheet (7), a rotation limiting ring (8), and a position limiting end cover (9); the position limiting end cover (9) is fixed to the end plates (13); one end of the guide shaft (4) extends out from the position limiting end cover (9); the rotation limiting ring (8) is rotatably arranged on the position limiting end cover (9); the rotation limiting ring (8) is sleeved on the coil spring assembly (6); On the guide rotating shaft (4), the coiled spring sheet (7) is sleeved on the guide rotating shaft (4), one end of the coiled spring sheet (7) is fixed to the guide rotating shaft (4), and the other end is fixed to the limiting ring (8), the end surface of the limiting end cover (9) is provided with a semi-arc rotating groove (10), the circumferential side of the limiting ring (8) is provided with a rotating flange (11), the rotating flange (11) is rotatably adapted in the semi-arc rotating groove (10), and the limiting end cover (9) is also provided with a limiting pressure plate (12), and the limiting pressure plate (12) corresponds to the rotating flange (11).
3. A turning tool sharpening auxiliary device according to claim 1, Features: The tool holder (15) is provided with a fixed quick clamp (16), and the fixed quick clamp (16) is used to fix the turning tool on the tool holder (15).
4. A turning tool sharpening auxiliary device according to claim 1, Features: The knife seat (15) is also provided with a driving handle (17).
5. A turning tool sharpening auxiliary device according to claim 2, Features: A connecting block (19) is slidably provided on the connecting rod (14), the connecting block (19) is fixedly connected to the knife seat (15), and the guide column is fixed on the connecting block (19).
6. A turning tool sharpening auxiliary device according to claim 5, Features: The connecting rod (14) is provided with a scale (18), and the scale (18) corresponds to the connecting block (19).