A high-precision drill bit grinding device with anti-shaking
By introducing a double-track guide support, a vertical design of the meshing tooth surface, and an elastic positioning mechanism into the drill bit grinding device, the problems of vibration and adaptability of the drill bit grinding device have been solved, achieving high-precision and high-efficiency drill bit grinding results.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGXI ZHONGPIN TOOLS CO LTD
- Filing Date
- 2025-08-20
- Publication Date
- 2026-07-24
AI Technical Summary
Existing drill bit grinding devices suffer from problems such as vibration, unstable positioning, and poor adaptability, resulting in low grinding accuracy and cumbersome operation.
The drill bit employs a double-rail guide support structure, a vertical design of the meshing tooth surface, an elastic positioning mechanism, and an adjustable fixing rod to ensure the stability and adaptability of the drill bit movement and reduce vibration transmission.
It significantly improves the accuracy and efficiency of drill bit grinding, ensures stable clamping and high-precision displacement of drill bits in different sizes, and simplifies the operation process.
Smart Images

Figure CN224544000U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of drill bit grinding equipment, and more specifically, to a high-precision drill bit grinding device with anti-vibration capability. Background Technology
[0002] In the field of machining, drill bits are commonly used cutting tools, and the accuracy of their cutting edge directly affects the quality and efficiency of machined holes. After long-term use, drill bits are prone to wear and chipping on their cutting edges, requiring repair by a grinding device to restore their cutting performance. Therefore, the stability and accuracy of the drill bit grinding device are crucial to ensuring the quality of repair. Existing drill bit grinding devices have significant shortcomings: First, the transmission and guiding structure design is unreasonable, easily causing vibration due to single-rail support and rigid connections, resulting in low grinding accuracy; second, the positioning mechanism has poor adaptability, mostly using fixed-size rigid clamping, making it difficult to adapt to different drill bit specifications, and the clamping stability is insufficient, easily causing drill bit displacement due to vibration; third, the components lack coordination, vibration transmission is obvious, operation and adjustment are cumbersome, and they cannot meet the requirements of high-precision grinding. Therefore, this application proposes a high-precision drill bit grinding device with anti-vibration to solve the above problems. Utility Model Content
[0003] The present invention aims to solve the problems mentioned in the background art above, thereby providing a high-precision drill bit grinding device with anti-vibration; To achieve the above objectives, this utility model provides the following technical solution: a high-precision drill bit grinding device with anti-vibration, comprising: a frame, the frame being rectangular, an extension plate being provided on the right side of the frame, the extension plate being separated from the frame and not connected, a sliding rod being provided above the frame, the sliding rod being two rods respectively provided on both sides of the upper surface of the frame in a symmetrical arrangement, and a motor being installed on the surface of the right side of the frame.
[0004] Preferably, the first motor is fixed to one side of the frame, and the output end of the first motor is connected to a drive screw. The drive screw of the first motor is engaged with the bottom of the fixed plate, and the first motor drives the fixed plate to move left and right.
[0005] Preferably, a second motor is provided on one side of the bottom of the fixed plate. The second motor is fixedly installed in the fixed plate and is connected to a belt and a meshing tooth. The second motor drives the meshing tooth to rotate through the belt. A grinding disc is provided on the other side of the meshing tooth.
[0006] Preferably, the bottom of the fixed plate is provided with a sliding plate, and the bottom of the sliding plate is provided with a first engaging block, which is slidably connected to the first sliding rod.
[0007] Preferably, the meshing tooth surface of the first meshing block is perpendicular to the upper surface of the sliding plate, and the center line of the first meshing block coincides with the transverse center line of the sliding plate.
[0008] Preferably, the second slider is symmetrically arranged on both sides of the sliding plate. The sliding plate is integrally formed or welded and fixed. The second slider and the second meshing block are meshed and connected. A telescopic rod is provided above the second meshing block.
[0009] Preferably, a buffer plate is provided above the telescopic rod, a positioning block is provided above the buffer plate, a hole is provided inside the positioning block, two positioning plates are provided inside the positioning block, the positioning plates are L-shaped, and there are two positioning plates, which are arranged obliquely and symmetrically at the top and bottom. A spring column and a fixing rod are provided above the positioning plates. Beneficial effects
[0010] Two symmetrical sliding rods are set above the frame to provide double-rail guide support for the movement of the fixed plate. In conjunction with motor one, the fixed plate is driven by a drive screw, which greatly reduces the shaking that is prone to occur in single-rail transmission and ensures stable left and right movement of the fixed plate. Motor two drives the meshing teeth to rotate through a belt, which is smooth transmission and has less vibration. In addition, the meshing teeth of meshing block one are perpendicular to the upper surface of the sliding plate and the center line coincides with the transverse center line of the sliding plate, so that the sliding plate is subjected to uniform force and moves smoothly along the slide rail. This effectively avoids the shaking caused by uneven force, ensures high-precision displacement of the grinding disc, and significantly improves the grinding accuracy of the drill bit.
[0011] The positioning block uses an L-shaped positioning plate with symmetrical upper and lower sides, which, together with a spring column, achieves elastic telescopic locking. This not only tightly clamps the drill bit to prevent displacement during grinding, but also reduces vibration through elastic buffering. The fixing rod can be pulled by the operator to control the extension length of the positioning plate, flexibly adapting to different sizes of drill bits. This solves the problem of poor adaptability to drill bit size in traditional devices and improves the versatility of the device.
[0012] The extension plate is separated from the frame to reduce vibration transmission between the two; the slider two and the sliding plate are integrally formed or welded together, and the meshing structure with the meshing block two enhances the guidance and stability of the sliding plate movement, reducing the difficulty of operation and adjustment; the setting of the fixing rod allows the operator to intuitively control the length of the positioning plate, making the operation simple and convenient, and improving the efficiency of grinding operations. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model.
[0014] Figure 2 This is a schematic diagram of the fixing plate structure of this utility model.
[0015] Figure 3 This is a schematic diagram of the sliding plate structure of this utility model.
[0016] Figure 4 This is a schematic diagram of the sliding plate connection structure of this utility model.
[0017] Figure 5 This is a schematic diagram of the extension plate structure of this utility model.
[0018] Figure 6 This is a schematic diagram of the positioning block structure of this utility model.
[0019] Figure 7 This is a schematic view of the fixed rod structure of this utility model.
[0020] Figure 1-7 In the middle: 1. Frame, 11. Extension plate, 12. Motor 1, 13. Slide rod 1, 14. Fixing plate, 15. Motor 2, 16. Meshing teeth, 17. Sliding plate, 18. Meshing block 1, 19. Sliding block 2, 2. Meshing block 2, 21. Telescopic rod, 22. Buffer plate, 23. Positioning block, 24. Positioning plate, 25. Spring column, 26. Fixing rod, 27. Grinding disc. Detailed Implementation
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0022] Please see Figures 1 to 7 In this embodiment of the utility model, a high-precision drill bit grinding device with anti-vibration includes a frame 1, which is rectangular. An extension plate 11 is provided on the right side of the frame 1. The extension plate 11 and the frame 1 are separated and not connected. A slide rod 13 is provided on the top of the frame 1. There are two slide rods 13, which are respectively provided on both sides of the upper surface of the frame 1 and are symmetrically arranged. A motor 12 is installed on the right side surface of the frame 1. Among them, motor 12 is fixed to one side of frame 1, and the output end of motor 12 is connected to a drive screw. The drive screw of motor 12 is engaged with the bottom of fixed plate 14, and motor 12 drives fixed plate 14 to move left and right. Furthermore, a second motor 15 is provided on one side of the bottom of the fixed plate 14. The second motor 15 is fixedly installed in the fixed plate 14. The second motor 15 is connected to the meshing gear 16 through a belt. The second motor 15 drives the meshing gear 16 to rotate through the belt. A grinding disc 27 is provided on the other side of the meshing gear 16. The fixed plate 14 is provided with a sliding plate 17 at its bottom, and a meshing block 18 is provided at the bottom of the sliding plate 17. The meshing block 18 and the slide rod 13 are slidably connected, so that the fixed plate 14 can move through the sliding plate 17. The meshing tooth surface of the meshing block 18 is perpendicular to the upper surface of the sliding plate 17, and the center line of the meshing block 18 coincides with the transverse center line of the sliding plate 17, driving the sliding plate 17 to move smoothly along the slide rail, reducing the vibration caused by uneven force, thereby ensuring the high-precision displacement control of the grinding disc 27. Slider 2 19 is symmetrically arranged on both sides of the sliding plate 17. The sliding plate 17 is connected by integral molding or welding. Slider 2 19 and meshing block 20 are meshed and connected. A telescopic rod 21 is provided above meshing block 20. Furthermore, a buffer plate 22 is provided above the telescopic rod 21, and a positioning block 23 is provided above the buffer plate 22. The positioning block 23 has holes inside, and two positioning plates 24 are provided inside the positioning block 23. The positioning plates 24 are L-shaped and are arranged symmetrically at the top and bottom. A spring column 25 and a fixing rod 26 are provided above the positioning plates 24. The spring column 25 can extend and retract the positioning plates 24 to fix the drill bit, thereby improving grinding. The fixing rod 26 allows the operator to lift the positioning plates 24 and control the extension length of the positioning plates 24, which is suitable for drill bits of different sizes.
[0023] Two sliding rods 13 are symmetrically arranged above the frame 1 to provide double-rail guide support for the movement of the fixed plate 14. In conjunction with the motor 12, the fixed plate 14 is driven by the drive screw, which greatly reduces the shaking that is prone to occur in single-rail transmission and ensures the stability of the left and right movement of the fixed plate 14. The motor 2 15 drives the meshing teeth 16 to rotate through the belt, which is smooth and has little vibration transmission. In addition, the meshing teeth of the meshing block 18 are perpendicular to the upper surface of the sliding plate 17 and the center line coincides with the transverse center line of the sliding plate 17, so that the sliding plate 17 is subjected to uniform force and moves smoothly along the slide rail. This effectively avoids the shaking caused by uneven force, ensures the high-precision displacement of the grinding disc 27, and significantly improves the grinding accuracy of the drill bit. The positioning block 23 uses an L-shaped positioning plate 24 with symmetrical upper and lower sides, which works with the spring column 25 to achieve elastic telescopic locking. This can not only tightly clamp the drill bit to prevent displacement during grinding, but also reduce vibration through elastic buffering. The fixing rod 26 can be pulled by the operator to control the extension length of the positioning plate 24, flexibly adapting to different sizes of drill bits, solving the problem of poor adaptability of traditional devices to drill bit size, and improving the versatility of the device. The extension plate 11 is separated from the frame 1 to reduce vibration transmission between the two; the slider 19 and the sliding plate 17 are integrally formed or welded and fixed, and the meshing structure with the meshing block 20 enhances the guidance and stability of the sliding plate 17 movement and reduces the difficulty of operation and adjustment; the setting of the fixing rod 26 allows the operator to intuitively control the length of the positioning plate 24, making the operation simple and convenient and improving the efficiency of grinding operations.
[0024] The above are merely preferred embodiments of this utility model. It should be noted that, for those skilled in the art, several modifications and improvements can be made without departing from the concept of this utility model, and these should also be considered within the scope of protection of this utility model. These will not affect the implementation effect of this utility model or the practicality of the patent.
Claims
1. A high-precision drill bit grinding device with vibration prevention, characterized in that: The frame (1) is rectangular. An extension plate (11) is provided on the right side of the frame (1). The extension plate (11) and the frame (1) are separated and not connected. A sliding rod (13) is provided on the top of the frame (1). There are two sliding rods (13), which are respectively set on both sides of the upper surface of the frame (1) and are symmetrically arranged. A motor (12) is installed on the right side of the frame (1).
2. The anti-vibration high-precision drill bit grinding device according to claim 1, characterized in that: The motor (12) is fixed to one side of the frame (1). The output end of the motor (12) is connected to a drive screw. The drive screw of the motor (12) is engaged with the bottom of the fixed plate (14). The motor (12) drives the fixed plate (14) to move left and right.
3. The anti-vibration high-precision drill bit grinding device according to claim 2, characterized in that: A second motor (15) is provided on one side of the bottom of the fixed plate (14). The second motor (15) is fixedly installed in the fixed plate (14). The second motor (15) is connected to the meshing teeth (16) by a belt. The second motor (15) drives the meshing teeth (16) to rotate by the belt. A grinding disc (27) is provided on the other side of the meshing teeth (16).
4. The anti-vibration high-precision drill bit grinding device according to claim 3, characterized in that: The bottom of the fixed plate (14) is provided with a sliding plate (17), and the bottom of the sliding plate (17) is provided with a meshing block (18), which is slidably connected to the sliding rod (13).
5. The anti-vibration high-precision drill bit grinding device according to claim 4, characterized in that: The meshing tooth surface of the meshing block (18) is perpendicular to the upper surface of the sliding plate (17), and the center line of the meshing block (18) coincides with the transverse center line of the sliding plate (17).
6. The anti-vibration high-precision drill bit grinding device according to claim 5, characterized in that: Slider 2 (19) is symmetrically arranged on both sides of the sliding plate (17). The sliding plate (17) is connected by integral molding or welding. Slider 2 (19) and meshing block 2 (20) are meshed and connected. A telescopic rod (21) is provided above meshing block 2 (20).
7. The anti-vibration high-precision drill bit grinding device according to claim 6, characterized in that: A buffer plate (22) is provided above the telescopic rod (21), and a positioning block (23) is provided above the buffer plate (22). The positioning block (23) has a hole inside, and two positioning plates (24) are provided inside the positioning block (23). The positioning plates (24) are L-shaped and there are two positioning plates (24) arranged obliquely and symmetrically. A spring column (25) and a fixing rod (26) are provided above the positioning plate (24).