Polishing mechanism for end part of drill rod

Abstract

The utility model belongs to the technical field of grinding mechanisms, and particularly relates to a drill rod end grinding mechanism which comprises a device body. A servo motor is installed on the side face of the device body. The output end of the servo motor is fixedly connected with a movable screw rod; the movable screw rod is rotationally connected to the bottom of the device main body; the outer surface wall of the movable screw rod is in threaded connection with a movable block; the top of the movable block is fixedly connected with a sliding main body plate; the top of the sliding main body plate is fixedly connected with a fixed frame; the top of the fixing frame is fixedly connected with a fixing body. The inner surface wall of the fixing main body is in threaded connection with an adjusting screw rod, during working, clamping and fixing blocks are arranged, the distance between the clamping and fixing blocks is changed through the adjusting screw rod, then the grinding mechanism can clamp and fix drill rods of different specifications, and a position adjusting structure of a sliding main body plate is arranged, so that the grinding efficiency is improved. And contact between the drill rod and the polishing structure is facilitated, and manual secondary adjustment is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of grinding mechanisms, and specifically relates to a grinding mechanism for the end of a drill pipe. Background Technique

[0002] In terms of grinding equipment, there are specially designed grinding machines that are applicable to drill pipes of different models, and precise grinding of the end is achieved through support and grinding devices.

[0003] In the current prior art, when in use, a drill pipe end grinding mechanism includes a support structure, a grinding structure, a fixing structure, etc. By adjusting the grinding height and stably clamping the drill pipe, the grinding efficiency is improved.

[0004] When the existing drill pipe end grinding mechanism is in use, since it is necessary to clamp the drill pipe, but the traditional clamping method cannot adjust the clamping position according to the requirements during use, and at the same time cannot change the distance between the drill pipe after clamping and the grinding structure. Therefore, a drill pipe end grinding mechanism is proposed for the above problems. Content of the Utility Model

[0005] In order to make up for the deficiencies of the existing technology and solve at least one of the technical problems proposed in the background technique, the utility model proposes a drill pipe end grinding mechanism.

[0006] The technical solution adopted by the utility model to solve its technical problems is: a drill pipe end grinding mechanism of the utility model includes a device main body; a servo motor is installed on the side of the device main body; the output end of the servo motor is fixedly connected with a movable screw rod; the movable screw rod is rotatably connected to the bottom of the device main body; the outer wall of the movable screw rod is threadedly connected with a movable block; the top of the movable block is fixedly connected with a sliding main body plate; the top of the sliding main body plate is fixedly connected with a fixing frame; the top of the fixing frame is fixedly connected with a fixing main body; the inner wall of the fixing main body is threadedly connected with an adjusting screw rod; the bottom of the adjusting screw rod is rotatably connected with a clamping fixing block; the top of the adjusting screw rod is fixedly connected with an adjusting knob.

[0007] Preferably, a top block is fixedly connected to the top of the device main body; a DC motor is installed on the top of the device main body; the output end of the DC motor is fixedly connected with a motor helical gear.

[0008] Preferably, an external rod is rotatably connected to the inner wall of the servo motor; an internal rod is rotatably connected to the inner wall of the external rod.

[0009] Preferably, one end of the external rod is fixedly connected with a first helical gear; one end of the internal rod is fixedly connected with a second helical gear; both the first helical gear and the second helical gear are engaged with the inner wall of the motor helical gear.

[0010] Preferably, the other end of the external rod is fixedly connected with a grinding disc; the side surface of the grinding disc is fixedly connected with an end grinding block.

[0011] Preferably, the other end of the internal rod is fixedly connected with an inner head grinding main body; the outer wall of the inner head grinding main body is slidably connected with a movable grinding block.

[0012] Preferably, a mirror image screw is threadedly connected between the movable grinding blocks; a rotating knob is fixedly connected to the outer wall of the mirror image screw; the mirror image screw is rotatably connected with the inner head grinding main body.

[0013] The beneficial effects of the present utility model are as follows:

[0014] 1. The present utility model provides a grinding mechanism for the end of a drill pipe. By setting a clamping and fixing block and using an adjusting screw to change the distance between the clamping and fixing blocks, the grinding mechanism can clamp and fix drill pipes of different specifications. Moreover, a position adjusting structure of the sliding main body plate is provided, which facilitates the contact between the drill pipe and the grinding structure and avoids secondary adjustment by manual labor.

[0015] 2. The present utility model provides a grinding mechanism for the end of a drill pipe. By setting an end grinding block, the grinding of the end of the drill pipe is realized. At the same time, the position of the movable grinding block can be effectively adjusted, so that the movable grinding block can fit the inner head of the drill pipe, which facilitates the grinding process of the drill pipe. Description of the Drawings

[0016] The drawings described herein are used to provide a further understanding of the present utility model and form a part of this application. The schematic embodiments of the present utility model and their descriptions are used to explain the present utility model and do not constitute an improper limitation to the present utility model. In the drawings:

[0017] Figure 1 is the three-dimensional view of the whole of the present utility model;

[0018] Figure 2 is the three-dimensional view of the device main body in the present utility model;

[0019] Figure 3 is the enlarged view at A in the present utility model;

[0020] Figure 4 is the enlarged view at B in the present utility model.

[0021] Legend Explanation:

[0022] 1. Device main body; 2. Servo motor; 3. Top block; 4. External rod; 5. First helical gear; 6. Internal rod; 7. Second helical gear; 8. DC motor; 9. Motor helical gear; 10. Sliding main body plate; 11. Movable screw; 12. Movable block; 13. Grinding disc; 14. End grinding block; 15. Inner end grinding main body; 16. Movable grinding block; 17. Mirror screw; 18. Rotating knob; 19. Fixed frame; 20. Fixed main body; 21. Adjusting knob; 22. Adjusting screw; 23. Clamping and fixing block. Detailed implementation manners

[0023] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

[0024] The following gives specific embodiments.

[0025] Please refer to Figures 1 - 4 , the present invention provides a drill pipe end grinding mechanism, including a device main body 1; a servo motor 2 is installed on the side of the device main body 1; the output end of the servo motor 2 is fixedly connected to a movable screw 11; the movable screw 11 is rotatably connected to the bottom of the device main body 1; the outer wall of the movable screw 11 is threadedly connected to a movable block 12; the top of the movable block 12 is fixedly connected to a sliding main body plate 10; the top of the sliding main body plate 10 is fixedly connected to a fixed frame 19; the top of the fixed frame 19 is fixedly connected to a fixed main body 20; the inner wall of the fixed main body 20 is threadedly connected to an adjusting screw 22; the bottom of the adjusting screw 22 is rotatably connected to a clamping and fixing block 23; the top of the adjusting screw 22 is fixedly connected to an adjusting knob 21; during work, place the drill pipe between the clamping and fixing blocks 23, and then rotate the adjusting knob 21 and the adjusting screw 22, so that the clamping and fixing block 23 clamps the drill pipe after approaching the drill pipe, and then start the servo motor 2 to make the movable screw 11 rotate, so that the movable block 12 drives the movement of the sliding main body plate 10 under the limit of the device main body 1, so that the drill pipe can be closer to the end grinding block 14.

[0026] Further, as Figure 2 and Figure 3As shown, a top block 3 is fixedly connected to the top of the device main body 1; a DC motor 8 is installed on the top of the device main body 1; the output end of the DC motor 8 is fixedly connected to a motor helical gear 9; an external rod 4 is rotatably connected to the inner wall of the servo motor 2; an internal rod 6 is rotatably connected to the inner wall of the external rod 4; one end of the external rod 4 is fixedly connected to a first helical gear 5; one end of the internal rod 6 is fixedly connected to a second helical gear 7; both the first helical gear 5 and the second helical gear 7 are engaged with the inner wall of the motor helical gear 9; the other end of the external rod 4 is fixedly connected to a grinding disc 13; a head grinding block 14 is fixedly connected to the side of the grinding disc 13; the other end of the internal rod 6 is fixedly connected to an inner head grinding main body 15; a movable grinding block 16 is slidably connected to the outer wall of the inner head grinding main body 15; a mirror screw 17 is threadedly connected between the movable grinding blocks 16; a rotating knob 18 is fixedly connected to the outer wall of the mirror screw 17; the mirror screw 17 is rotatably connected to the inner head grinding main body 15. During operation, start the DC motor 8 to drive the motor helical gear 9 to rotate, so that the first helical gear 5 and the second helical gear 7 rotate in opposite directions, so that the head grinding block 14 and the movable grinding block 16 perform reverse grinding, and by rotating the rotating knob 18, the mirror screw 17 with mirror threads in the middle part can be rotated, so that the movable grinding blocks 16 move away from or close to each other, so that the movable grinding blocks 16 can better fit the inner wall of the drill pipe.

[0027] Working principle: Place the drill pipe between the clamping and fixing blocks 23, and then rotate the adjusting knob 21 and the adjusting screw 22, so that the clamping and fixing blocks 23 clamp the drill pipe after approaching the drill pipe. Then start the servo motor 2, which will cause the movable screw 11 to rotate, so that the movable block 12 drives the movement of the sliding main board 10 under the limitation of the device main body 1, so that the drill pipe can be closer to the head grinding block 14. Start the DC motor 8 to drive the motor helical gear 9 to rotate, so that the first helical gear 5 and the second helical gear 7 rotate in opposite directions, so that the head grinding block 14 and the movable grinding block 16 perform reverse grinding, and by rotating the rotating knob 18, the mirror screw 17 with mirror threads in the middle part can be rotated, so that the movable grinding blocks 16 move away from or close to each other, so that the movable grinding blocks 16 can better fit the inner wall of the drill pipe.

[0028] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed.

Claims

1. A drill rod end grinding mechanism, comprising a device body (1); characterized in that: A servo motor (2) is installed on the side of the device body (1); a movable screw (11) is fixedly connected to the output end of the servo motor (2); the movable screw (11) is rotatably connected to the bottom of the device body (1); the outer wall of the movable screw (11) is threadedly connected to a movable block (12); the top of the movable block (12) is fixedly connected to a sliding body plate (10); the top of the sliding body plate (10) is fixedly connected to a fixing frame (19); the top of the fixing frame (19) is fixedly connected to a fixed body (20); the inner wall of the fixed body (20) is threadedly connected to an adjusting screw (22); the bottom of the adjusting screw (22) is rotatably connected to a clamping fixing block (23); the top of the adjusting screw (22) is fixedly connected to an adjusting knob (21).

2. A drill rod end grinding mechanism as claimed in claim 1, characterized in that: A top block (3) is fixedly connected to the top of the device body (1); a DC motor (8) is installed on the top of the device body (1); and a motor bevel gear (9) is fixedly connected to the output end of the DC motor (8).

3. A drill rod end grinding mechanism as claimed in claim 1, characterized in that: The inner surface wall of the servo motor (2) is rotatably connected to an external rod (4); the inner surface wall of the external rod (4) is rotatably connected to an internal rod (6).

4. A drill rod end grinding mechanism as claimed in claim 3, characterized in that: One end of the external rod (4) is fixedly connected to a first bevel gear (5); one end of the internal rod (6) is fixedly connected to a second bevel gear (7); the first bevel gear (5) and the second bevel gear (7) are both meshed with the inner surface wall of the motor bevel gear (9).

5. A drill rod end grinding mechanism as claimed in claim 3, characterized in that: The other end of the external rod (4) is fixedly connected to a grinding disc (13); and the side surface of the grinding disc (13) is fixedly connected to an end grinding block (14).

6. A drill rod end grinding mechanism as claimed in claim 3, characterized in that: The other end of the built-in rod (6) is fixedly connected to an inner head grinding body (15); and the outer surface wall of the inner head grinding body (15) is slidably connected to a movable grinding block (16).

7. A drill rod end grinding mechanism as claimed in claim 6, characterized in that: A mirror screw (17) is threadedly connected between the movable grinding blocks (16); a rotating knob (18) is fixedly connected to the outer wall of the mirror screw (17); and the mirror screw (17) is rotationally connected to the inner head grinding body (15).

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