Multi-angle self-adaptive tool bit grinding tool
By designing the positioning components and utilizing the cooperation of support columns, collars, mounting frames, pressure plates, locking teeth, and buffer pads, the tilting problem caused by cutter head vibration was solved, thereby improving the stability and accuracy of the multi-angle cutter head grinding fixture.
Patent Information
- Application Number
- CN202520364072.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-04
- Publication Date
- 2026-02-24
- Estimated Expiration
- 2035-03-04
AI Technical Summary
Existing multi-angle cutting head grinding fixtures tilt during the grinding process due to the vibration of the cutting disc, affecting the accuracy of the grinding angle.
The positioning components, including support columns, collars, mounting frames, pressure plates, locking teeth, and buffer pads, are used to achieve stable positioning and vibration damping of the cutter head through air pressure and magnetic force, ensuring the parallelism of the cutter head during the grinding process.
It improves the stability and angular accuracy of the cutter head grinding, reduces the impact of vibration on the cutter head angle, and enhances the grinding quality.
Smart Images

Figure CN223933350U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of grinding equipment technology, specifically to a multi-angle adaptive tooling for grinding cutting heads. Background Technology
[0002] The main function of multi-angle tool grinding fixtures is to adjust and regrind cutting tools to ensure that the geometry and dimensions of the tools meet specific machining requirements. This includes, but is not limited to, sharpening the tools, enabling multiple tools to be regrinded at different angles simultaneously on a single grinding machine, significantly improving work efficiency, reducing tool regrinding cycles, accelerating production pace, and restoring the sharpness of the cutting edge through regular tool regrinding, thereby improving cutting efficiency and reducing production costs.
[0003] However, in the current technology, when grinding the cutter head, the cutter head is placed flat in the grinding station when it is being rubbed. During the grinding process, vibration will be generated in contact with the cutter head. The vibration will cause the cutter head to tilt or lift up. Therefore, the parallelism of the cutter head will be deviated. The tilt will affect the accuracy of the grinding angle. Utility Model Content
[0004] The purpose of this invention is to provide a multi-angle adaptive tool grinding fixture to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution:
[0006] A multi-angle adaptive tool grinding fixture includes an operating table, with multiple support columns inside the operating table. Each support column has a positioning component for restricting the grinding of the tool head. The positioning component includes an annular groove and a storage groove disposed outside the support column, and a collar disposed inside the annular groove.
[0007] An installation frame is provided on the outside of the collar. A slot is provided on one side of the installation frame. A pressure plate is provided inside the slot. Tooth blocks are provided on both sides of the pressure plate. An air chamber and multiple cavities are provided on the inner wall of the slot. Electromagnets and locking teeth are provided inside the multiple cavities. A magnetic plate is provided at one end of the locking teeth and a buffer pad is provided at the other end.
[0008] As a preferred embodiment of this utility model, a plurality of the support columns are distributed in a ring around the outer perimeter and inner perimeter of the storage area in the operating table, the storage groove is connected to the ring groove, and the collar is fitted inside the ring groove and rotatably connected to the inner wall of the ring groove.
[0009] As a preferred embodiment of this utility model, one end of the mounting frame is located in the connecting groove of the collar and is rotatably connected to the inner wall of the collar via a connecting shaft. The pressure plate is located in the hole groove and is slidably connected to the inner wall of the hole groove.
[0010] As a preferred embodiment of this utility model, the gas chamber is filled with high-pressure gas and is connected to the slot. A control valve and a pump are installed inside the gas chamber.
[0011] As a preferred embodiment of this utility model, the plurality of cavity arrays are distributed on both sides of the inner wall of the slot, one end of the locking tooth is located in the cavity and is slidably connected to the inner wall of the cavity, and the other end extends out of the cavity and abuts against the tooth block on the outer wall of the pressure plate, and the buffer pad is embedded and connected to the outer wall of the locking tooth.
[0012] As a preferred embodiment of this utility model, the electromagnet is connected to the inner wall of the cavity by bolts, and the electromagnet is magnetically connected to the magnetic plate at one end of the locking tooth near the cavity, so that the locking tooth slides inside the cavity through the magnetic poles of the electromagnet.
[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: In view of the problems mentioned in the background art, this application adopts a positioning component. The cutter head can be positioned during grinding by multiple support columns on the operating table. At the same time, the mounting frame is driven to extend and rotate above the cutter head by the collar inside the support column. Then, the operation of the pump body in the mounting frame can increase the air pressure in the air chamber and push the pressure plate to extend from the mounting frame and press the cutter head below, thereby improving the stability of the cutter head during grinding.
[0014] Furthermore, the locking teeth in the mounting frame can engage with the toothed blocks outside the pressure plate after the pressure plate extends, locking the position of the pressure plate. During the grinding process of the cutter head, the buffer pad outside the locking teeth can help the pressure plate to buffer and reduce the vibration generated by the grinding of the cutter head during the contact process, and limit the angle of the cutter head to keep it parallel, thus improving the grinding quality.
[0015] This invention achieves pressure during the grinding of the cutter head, improving the stability of the grinding process. At the same time, the buffer pad at the meshing point of the pressure plate and the clamping teeth provides a certain buffer space for the pressure between the pressure plate and the cutter head, reducing the vibration generated during the grinding of the cutter head, reducing the impact on the cutter head angle, and improving the grinding effect and quality. Attached Figure Description
[0016] Figure 1 This is a perspective view of the overall structure of this utility model;
[0017] Figure 2 This is a structural diagram of the support column of this utility model;
[0018] Figure 3 This is a structural diagram showing the separation of the support column and the collar of this utility model;
[0019] Figure 4 This is a cross-sectional view of the interior of the mounting frame of this utility model;
[0020] Figure 5 This is an enlarged view of part A of this utility model.
[0021] In the diagram: 1. Operating table; 2. Support column; 3. Annular groove; 301. Storage tank; 4. Collar; 5. Mounting frame; 6. Hole groove; 601. Air chamber; 7. Pressure plate; 701. Tooth block; 8. Cavity; 801. Electromagnet; 9. Clamping tooth; 901. Magnetic plate; 902. Buffer pad. Detailed Implementation
[0022] The technical solutions in the embodiments of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Example
[0023] Please see Figure 1-5 This utility model provides a technical solution: a multi-angle adaptive cutting head grinding fixture, including an operating table 1. The operating table 1 has multiple support columns 2 inside. The annular support columns 2 can restrict the cutting head within the operating table 1 according to the tooth holes on the cutting head. The support columns 2 have a positioning component for restricting the cutting head during grinding. The positioning component includes an annular groove 3 and a storage groove 301 disposed outside the support columns 2. The annular groove 3 can restrict the angle of rotation of the mounting frame 5 driven by the collar 4. The storage groove 301 communicates with the annular groove 3 and can fold and store the mounting frame 5 in the normal state. The annular groove 3 has a collar 4 inside for driving the mounting frame 5 to rotate around the support column 2.
[0024] The collar 4 is externally provided with a mounting frame 5. A groove 6 is provided on one side of the mounting frame 5 for housing the pressure plate 7 and limiting the angle of the pressure plate 7 during sliding extension. The pressure plate 7 is located inside the groove 6. In use, the mounting frame 5 is folded above the cutter head, and the pressure plate 7 can extend from the groove 6 to fit against the cutter head, pressing it down. Tooth blocks 701 are provided on both sides of the pressure plate 7. The inner wall of the groove 6 is provided with an air chamber 601 and multiple cavities 8. The pump and control valve inside the air chamber 601 can operate to change the pressure inside the air chamber 601 and the groove 6. The pressure generates thrust, which, when used for vacuuming, causes the pressure plate 7 to slide within the groove 6. The multiple cavities 8... Both are internally equipped with electromagnets 801 and locking teeth 9. The magnetic poles generated by the electromagnets 801 can cooperate with the magnetic plate 901 to drive the locking teeth 9 to slide and extend within the cavity 8. One end of the locking teeth 9 is equipped with the magnetic plate 901, and the other end is equipped with a buffer pad 902. When the air pressure pushes the pressure plate 7 to extend and press against the cutter head, the teeth 701 on the outer wall of the pressure plate 7 engage with the locking teeth 9 extending from the inner wall of the slot 6. The engagement of the locking teeth 9 can lock the position of the pressure plate 7, preventing the pressure plate 7 from shrinking during pressing. At the same time, during the grinding process of the cutter head, the pressure plate 7 has a certain buffer space through the buffer pad 902 on the locking teeth 9, which avoids damage caused by the hard pressing of the pressure plate 7 against the cutter head and can reduce the vibration generated by the grinding of the cutter head.
[0025] The grinding wheel achieves multiple angle conversions through multi-axis support rods and connectors, thereby enabling multi-angle grinding of the cutter head. When facing uneven surfaces, it uses a floating structure to adjust the grinding process and automatically adapt to the grinding needs of uneven surfaces.
[0026] In this embodiment, all electrical components are controlled by a conventional controller.
[0027] For an example, please refer to... Figure 1-5 Multiple support columns 2 are arranged in a ring around the outer and inner perimeter of the storage area in the operating table 1. The storage groove 301 communicates with the annular groove 3. The collar 4 is fitted inside the annular groove 3 and is rotatably connected to the inner wall of the annular groove 3. One end of the mounting frame 5 is located in the connecting groove of the collar 4 and is rotatably connected to the inner wall of the collar 4 via a connecting shaft. The pressure plate 7 is located in the slot 6 and is slidably connected to the inner wall of the slot 6. The air chamber 601 is filled with high-pressure gas and communicates with the slot 6. The air chamber 601 is equipped with... The device includes a control valve and a pump body. Multiple cavities 8 are arrayed on both sides of the inner wall of the slot 6. One end of the locking tooth 9 is located inside the cavity 8 and is slidably connected to the inner wall of the cavity 8. The other end extends out of the cavity 8 and abuts against the tooth block 701 on the outer wall of the pressure plate 7. The buffer pad 902 is embedded and connected to the outer wall of the locking tooth 9. The electromagnet 801 is connected to the inner wall of the cavity 8 by bolts. The electromagnet 801 is magnetically connected to the magnetic plate 901 near the cavity 8 end of the locking tooth 9. The magnetic pole of the electromagnet 801 causes the locking tooth 9 to slide inside the cavity 8. In use, the cutter head is first placed in the grinding area of the operating table 1, and the support column 2 on the operating table 1 is engaged and restricted according to the tooth surface of the cutter head. Then, the mounting frame 5 in the corresponding area of the support column 2 is controlled to fold out and extend. At the same time, the collar 4 rotates in the annular groove 3 to move the mounting frame 5 above the cutter head. Then, the pump body in the mounting frame 5 is controlled by the PLC controller to increase the pressure in the mounting frame 5 and push the pressure plate 7 out of the mounting frame 5 to press against the cutter head below. At the same time as the pressure plate 7 extends, the electromagnets 801 in multiple cavities 8 are controlled to run, and the magnetic poles drive the locking teeth 9 to extend and engage with the toothed blocks 701 on the outer wall of the pressure plate 7 to lock the position of the pressure plate 7.
[0028] The working process of this utility model is as follows: First, the cutter head is placed in the grinding area of the operating table 1. The support column 2 on the operating table 1 engages with the toothed surface of the cutter head, restricting its movement. Then, the mounting frame 5 within the corresponding support column 2 is folded out. Simultaneously, the collar 4 rotates within the annular groove 3, moving the mounting frame 5 above the cutter head. Then, the PLC controller controls the pump within the mounting frame 5 to increase the pressure within the frame, pushing the pressure plate 7 out of the frame and pressing it against the cutter head below. Simultaneously, as the pressure plate 7 extends, the electromagnets 801 within multiple cavities 8 operate, driving the locking teeth 9 to extend and engage with the toothed blocks 701 on the outer wall of the pressure plate 7, locking the position of the pressure plate 7. This utility model achieves pressure during cutter head grinding, improving the stability of the grinding process. Simultaneously, the buffer pad at the engagement point between the pressure plate and the locking teeth provides a buffer space, reducing vibrations during cutter head grinding, minimizing the impact on the cutter head angle, and improving the grinding effect and quality.
[0029] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A multi-angle adaptive tool grinding fixture, comprising an operating table (1), wherein the operating table (1) is provided with a plurality of support columns (2), and the support columns (2) are provided with positioning components for restricting the tool grinding process, characterized in that: The positioning component includes an annular groove (3) and a storage groove (301) disposed outside the support column (2), and a collar (4) disposed inside the annular groove (3). The collar (4) is provided with an installation frame (5) on the outside. The installation frame (5) is provided with a slot (6) on one side. The slot (6) is provided with a pressure plate (7) inside. The pressure plate (7) is provided with toothed blocks (701) on both sides. The slot (6) is provided with an air chamber (601) and multiple cavities (8) on the inner wall. Each of the multiple cavities (8) is provided with an electromagnet (801) and a locking tooth (9). One end of the locking tooth (9) is provided with a magnetic plate (901) and the other end is provided with a buffer pad (902).
2. The multi-angle adaptive tool grinding fixture according to claim 1, characterized in that: Multiple support columns (2) are distributed in a ring around the outer and inner perimeter of the storage area in the operating table (1). The storage tank (301) is connected to the annular groove (3). The collar (4) is fitted inside the annular groove (3) and is rotatably connected to the inner wall of the annular groove (3).
3. The multi-angle adaptive tool grinding fixture according to claim 1, characterized in that: One end of the mounting frame (5) is located in the connecting groove of the collar (4) and is rotatably connected to the inner wall of the collar (4) through the connecting shaft. The pressure plate (7) is located in the hole groove (6) and is slidably connected to the inner wall of the hole groove (6).
4. The multi-angle adaptive tool grinding fixture according to claim 1, characterized in that: The gas chamber (601) is filled with high-pressure gas and is connected to the slot (6). The gas chamber (601) is equipped with a control valve and a pump.
5. The multi-angle adaptive tool grinding fixture according to claim 1, characterized in that: Multiple cavities (8) are arrayed on both sides of the inner wall of the slot (6). One end of the tooth (9) is located in the cavity (8) and is slidably connected to the inner wall of the cavity (8). The other end extends out of the cavity (8) and abuts against the tooth block (701) on the outer wall of the pressure plate (7). The buffer pad (902) is embedded and connected to the outer wall of the tooth (9).
6. The multi-angle adaptive tool grinding fixture according to claim 1, characterized in that: The electromagnet (801) is connected to the inner wall of the cavity (8) by bolts. The electromagnet (801) is magnetically connected to the magnetic plate (901) at one end of the tooth (9) near the cavity (8). The magnetic pole of the electromagnet (801) causes the tooth (9) to slide inside the cavity (8).