A threaded bit surface dressing apparatus

Abstract

The utility model discloses a kind of threaded drill head surface polishing equipment, belong to drill head polishing equipment technical field, the threaded drill head surface polishing equipment, comprising: workbox table, rotationally connected between the upper and lower inner walls of workbox table has lifting threaded rod, installation plate is threadedly connected on lifting threaded rod, the top of installation plate is rotatably connected with shaft rod, shaft rod slidingly penetrates the upper inner wall of workbox table, the upper end of shaft rod is fixedly connected with connecting threaded rod;Two U-shaped frame plates are fixedly connected on the top of workbox table, the two side inner walls of one of U-shaped frame plates are threadedly connected with displacement threaded rod, the threaded drill head surface polishing equipment, can flexibly adapt to threaded drill head of different sizes, without replacing fixture, improve equipment versatility, realize full circumferential even polishing, avoid local excessive wear caused by one-way polishing Automatic operation reduces worker direct contact grinding area, while avoiding manual clamping physical exertion.

Description

Technical Field

[0001] This utility model relates to the technical field of drill bit grinding equipment, and more specifically, to a drill bit surface grinding equipment. Background Technology

[0002] A threaded drill bit is a carbide tool used for rock drilling. Its tail end features a precision-machined thread design for quick screw-on connection and fixation to the drill rod. The head is inlaid with highly wear-resistant tungsten-cobalt alloy teeth, and a heat treatment process ensures a balance between hardness and impact resistance. The threaded portion is typically chrome-plated for rust prevention. The drill rod body has a hollow design to facilitate chip removal and dust reduction. The entire bit is reinforced using pre-stressed winding technology. It is suitable for down-the-hole drills or rock drilling rigs operating in medium-hard rock formations and features convenient disassembly and efficient power transmission.

[0003] In mining, tunneling, and geological exploration, threaded drill bits are key components of rock drilling tools, and their surface quality directly affects drilling efficiency and service life. Due to the harsh working environment, threaded drill bits may experience wear, thread deformation, or surface corrosion during long-term use, requiring regular grinding and repair to ensure their performance. Utility Model Content

[0004] 1. Technical problems to be solved

[0005] To address the problems existing in the prior art, the purpose of this utility model is to provide a threaded drill bit surface grinding device that can flexibly adapt to threaded drill bits of different sizes, without the need to change the clamps, thus improving the versatility of the device, achieving uniform grinding in the entire circumference, and avoiding excessive local wear caused by unidirectional grinding. Automated operation reduces workers' direct contact with the grinding area, while also avoiding the physical consumption of manual clamping.

[0006] 2. Technical Solution

[0007] To solve the above problems, the present invention adopts the following technical solution:

[0008] A threaded drill bit surface grinding device, comprising:

[0009] A worktable, wherein a lifting threaded rod is rotatably connected between the upper and lower inner walls of the worktable, a mounting plate is threaded onto the lifting threaded rod, a rotating shaft is rotatably connected to the top of the mounting plate, the rotating shaft slides through the upper inner wall of the worktable, and a connecting threaded rod is fixedly connected to the upper end of the rotating shaft; and

[0010] Two U-shaped frame plates are fixedly connected to the top of the work box. One of the U-shaped frame plates has a displacement threaded rod threaded to both inner walls. One end of each displacement threaded rod is rotatably connected to a bearing opening box. A grinding plate is slidably embedded on the top of each of the bearing opening boxes.

[0011] In a preferred embodiment of this utility model, a servo motor is fixedly installed at the bottom of the worktable, and the servo motor is fixedly connected to the lifting threaded rod.

[0012] As a preferred embodiment of this utility model, a limiting rod is fixedly connected between the upper and lower inner walls of the work box, and the mounting plate is slidably sleeved on the limiting rod.

[0013] As a preferred embodiment of this utility model, a heat dissipation hole is provided on one outer surface of the worktable.

[0014] In a preferred embodiment of this utility model, a drive motor is fixedly installed at the bottom of the mounting plate, and the output end of the drive motor is fixedly connected to the rotating shaft.

[0015] As a preferred embodiment of this utility model, a support rod is fixedly connected between the inner walls of the two sides of the other U-shaped frame plate, and both load-bearing open boxes are slidably sleeved on the support rod.

[0016] 3. Beneficial effects

[0017] Compared with the prior art, this utility model provides a grinding device for the surface of threaded drill bits, which has the following beneficial effects:

[0018] This threaded drill bit surface grinding equipment controls the rotation of two displacement threaded rods, which in turn moves two bearing open boxes, thereby adjusting the distance between the two grinding plates to accommodate the threaded drill bit. The threaded drill bit is then threaded onto the connecting threaded rod. By controlling the start of a servo motor, the lifting threaded rod rotates, causing the mounting plate to descend. This allows the rotating shaft to lower the threaded drill bit between the two grinding plates via the connecting threaded rod. By controlling the start of a drive motor, the rotating shaft rotates, causing the connecting threaded rod to rotate the threaded drill bit between the two grinding plates, thus completing the surface grinding of the threaded drill bit. It can flexibly adapt to threaded drill bits of different sizes without changing fixtures, improving the equipment's versatility. It achieves uniform grinding in all directions, avoiding excessive local wear caused by unidirectional grinding. Automated operation reduces direct contact between workers and the grinding area, while also avoiding the physical exertion of manual clamping. Attached Figure Description

[0019] Fig. 1 This is a perspective view of the present utility model;

[0020] Fig. 2 This is a side view of the present invention;

[0021] Fig. 3 This is a cross-sectional view of the worktable of this utility model.

[0022] Explanation of the labels in the diagram:

[0023] 1. Worktable; 2. U-shaped frame plate; 3. Displacement threaded rod; 4. Bearing open box; 5. Grinding plate; 6. Rotary shaft rod; 7. Support rod; 8. Connecting threaded rod; 9. Lifting threaded rod; 10. Mounting plate; 11. Drive motor; 12. Servo motor; 13. Limit rod. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0025] Example:

[0026] Please see Figs. 1-3 A tool for grinding the surface of a threaded drill bit, comprising:

[0027] A lifting threaded rod 9 is rotatably connected between the upper and lower inner walls of a work platform 1. A mounting plate 10 is threaded onto the lifting threaded rod 9. A rotating shaft 6 is rotatably connected to the top of the mounting plate 10. The rotating shaft 6 slides through the upper inner wall of the work platform 1, and a connecting threaded rod 8 is fixedly connected to the upper end of the rotating shaft 6.

[0028] Two U-shaped frame plates 2 are fixedly connected to the top of the work box 1. One of the U-shaped frame plates 2 has a displacement threaded rod 3 threadedly connected to the inner walls on both sides. One end of each displacement threaded rod 3 is rotatably connected to a bearing opening box 4. A grinding plate 5 is slidably embedded on the top of each of the two bearing opening boxes 4.

[0029] In a specific embodiment of this utility model, by controlling the rotation of two displacement threaded rods 3, two bearing open boxes 4 can be moved, thereby adjusting the distance between the two grinding plates 5 so that the two grinding plates 5 adapt to the threaded drill bit. The threaded drill bit is threadedly connected to the connecting threaded rod 8. By controlling the rotation of the lifting threaded rod 9, the mounting plate 10 is lowered, so that the rotating shaft rod 6 drives the threaded drill bit to descend between the two grinding plates 5 through the connecting threaded rod 8. By controlling the rotation of the rotating shaft rod 6, the connecting threaded rod 8 drives the threaded drill bit to rotate between the two grinding plates 5, thereby completing the surface grinding of the threaded drill bit. It can flexibly adapt to threaded drill bits of different sizes without changing the fixture, improving the versatility of the equipment, achieving uniform grinding in the entire circumference, and avoiding localized excessive wear caused by unidirectional grinding. Automated operation reduces workers' direct contact with the grinding area and avoids the physical consumption of manual clamping.

[0030] Specifically, a servo motor 12 is fixedly installed at the bottom of the work platform 1, and the servo motor 12 is fixedly connected to the lifting threaded rod 9.

[0031] In this embodiment, the servo motor 12 is started to drive the lifting threaded rod 9 to rotate.

[0032] Specifically, a limiting rod 13 is fixedly connected between the upper and lower inner walls of the work box 1, and the mounting plate 10 is slidably sleeved on the limiting rod 13.

[0033] In this embodiment, the limiting rod 13 keeps the mounting plate 10 stable during lifting and lowering.

[0034] Specifically, heat dissipation holes are provided on one side of the outer surface of the worktable 1.

[0035] In this embodiment, multiple heat dissipation holes are used for heat dissipation of the drive motor 11.

[0036] Specifically, a drive motor 11 is fixedly installed on the bottom of the mounting plate 10, and the output end of the drive motor 11 is fixedly connected to the rotating shaft 6.

[0037] In this embodiment, the drive motor 11 is started by controlling the rotation of the shaft rod 6.

[0038] Specifically, a support rod 7 is fixedly connected between the inner walls of the two sides of another U-shaped frame plate 2, and the two load-bearing open boxes 4 are slidably sleeved on the support rod 7.

[0039] In this embodiment, the support rod 7 keeps the two load-bearing open boxes 4 stable during movement.

[0040] Working principle: By controlling the rotation of the two displacement threaded rods 3, the two bearing open boxes 4 can be moved, thereby adjusting the distance between the two grinding plates 5 so that the two grinding plates 5 can adapt to the threaded drill bit. The threaded drill bit is threadedly connected to the connecting threaded rod 8. By controlling the start of the servo motor 12, the lifting threaded rod 9 is driven to rotate, which drives the mounting plate 10 to descend. This causes the rotating shaft rod 6 to drive the threaded drill bit down between the two grinding plates 5 through the connecting threaded rod 8. By controlling the start of the drive motor 11, the rotating shaft rod 6 is driven to rotate, causing the connecting threaded rod 8 to drive the threaded drill bit to rotate between the two grinding plates 5. This process completes the surface grinding of threaded drill bits, flexibly adapting to different sizes of threaded drill bits without the need to change fixtures, thus improving the equipment's versatility. It achieves uniform grinding in the entire circumference, avoiding excessive local wear caused by unidirectional grinding. Automated operation reduces direct contact between workers and the grinding area, while also avoiding the physical exertion of manual clamping. The control method of this utility model is controlled by manually starting and stopping the switch. The wiring diagram of the power component and the supply of power are common knowledge in the field. Furthermore, since this utility model is mainly used to protect mechanical devices, the control method and wiring layout will not be explained in detail here.

[0041] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model based on the technical solution and its improved concept should be covered within the protection scope of the present utility model.

Claims

1. A grinding device for the surface of threaded drill bits, characterized in that, include: A worktable (1) is provided, with a lifting threaded rod (9) rotatably connected between the upper and lower inner walls of the worktable (1). A mounting plate (10) is threaded onto the lifting threaded rod (9). A rotating shaft (6) is rotatably connected to the top of the mounting plate (10). The rotating shaft (6) slides through the upper inner wall of the worktable (1). A connecting threaded rod (8) is fixedly connected to the upper end of the rotating shaft (6). Two U-shaped frame plates (2) are fixedly connected to the top of the work box (1). One of the U-shaped frame plates (2) has a displacement threaded rod (3) threadedly connected to the inner walls on both sides. One end of each displacement threaded rod (3) is rotatably connected to a bearing opening box (4). A grinding plate (5) is slidably embedded on the top of each of the two bearing opening boxes (4).

2. The threaded drill bit surface grinding equipment according to claim 1, characterized in that: A servo motor (12) is fixedly installed at the bottom of the work platform (1), and the servo motor (12) is fixedly connected to the lifting threaded rod (9).

3. The threaded drill bit surface grinding equipment according to claim 1, characterized in that: A limiting rod (13) is fixedly connected between the upper and lower inner walls of the work box (1), and the mounting plate (10) is slidably sleeved on the limiting rod (13).

4. The threaded drill bit surface grinding equipment according to claim 1, characterized in that: The outer surface of one side of the worktable (1) is provided with heat dissipation holes.

5. The threaded drill bit surface grinding equipment according to claim 1, characterized in that: A drive motor (11) is fixedly installed at the bottom of the mounting plate (10), and the output end of the drive motor (11) is fixedly connected to the rotating shaft (6).

6. The threaded drill bit surface grinding equipment according to claim 1, characterized in that: A support rod (7) is fixedly connected between the inner walls of the two sides of the other U-shaped frame plate (2), and the two load-bearing open boxes (4) are slidably sleeved on the support rod (7).

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