Grinding and polishing device for inner wall of oil pipe

Abstract

The utility model relates to the technical field of oil pipe inner wall grinding, and discloses an oil pipe inner wall grinding and polishing device which comprises a base, a grinding device is arranged above the base, and the grinding device comprises a clamping part; the clamping part comprises a second motor, a clamping plate, a double-thread screw, a C-shaped plate and a third sliding block. According to the oil pipe inner wall grinding and polishing device, the fixing frame, the mounting pipe, the screw rod, the first belt wheel, the second belt wheel, the first motor, a sleeve, a mounting frame, a grinding block, a connecting rod, a sliding rod, a first sliding block, a second sliding block and a spring are arranged, the grinding block extrudes the inner wall of an oil pipe through the elastic force of the spring, and the first motor is started to make the mounting pipe rotate; a grinding block is rotated to grind the inner wall of the oil pipe, a screw rod is rotated to push a first sliding block to move, and the device can grind the oil pipes with different diameters; and by arranging the dust suction assembly and the sealing shell, the dust suction assembly is started to suck grinding dust in the oil pipe.

Description

Technical Field

[0001] This utility model relates to the field of oil pipe inner wall grinding technology, specifically an oil pipe inner wall grinding and polishing device. Background Technology

[0002] An oil pipeline (also known as a pipeline or conduit) is composed of oil pipes and their accessories, and is equipped with corresponding oil pump units according to the needs of the process flow. It is designed and installed into a complete pipeline system to complete the tasks of oil unloading and transportation. The oil pipeline system mainly consists of oil pipelines, oil stations and other auxiliary related equipment.

[0003] Chinese patent discloses a steel pipe inner wall grinding and polishing device, publication number CN208083992U. It includes a base plate, with a vertical plate fixedly connected to the top of the base plate. A dovetail groove is provided on the vertical plate, and the dovetail groove is fixedly connected to a second fixed block. A three-jaw chuck is fixedly connected to the top of the second fixed block, and a first bearing is fixedly connected to the bottom of the second fixed block. The first bearing is connected to a lead screw, one end of which is fixedly connected to a first coupling. The first coupling is fixedly connected to a first motor. The dovetail groove is slidably connected to a dovetail protrusion, and the dovetail protrusion is fixedly connected to a slider. The slider is fixedly connected to the first fixed block, and a second bearing is provided in the middle of the first fixed block. This invention has a simple structure, low cost, and is suitable for grinding the inner walls of large steel pipes, providing excellent grinding results and high processing efficiency.

[0004] However, it still has the following drawbacks: the device uses a grinding brush to polish the inner wall of the pipe, but the size of the grinding brush cannot be adjusted arbitrarily according to the pipe diameter; after the outer surface of the grinding brush wears down, it cannot maintain sufficient pressure between the outer surface of the grinding brush and the inner wall of the pipe. Therefore, we propose an oil pipe inner wall polishing device to solve this problem. Utility Model Content

[0005] The purpose of this invention is to provide a device for grinding and polishing the inner wall of an oil pipe to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: an oil pipe inner wall grinding and polishing device, including a base, a grinding device is provided above the base, and the grinding device includes a clamping part;

[0007] The clamping part includes a second motor, a clamping plate, a double-threaded screw, a C-shaped plate, and a third slider. The right end face of the second motor is fixedly connected to the left end face of the base, the top surface of the third slider is fixedly connected to the bottom surface of the C-shaped plate, and the clamping plate is threaded onto the outer surface of the double-threaded screw.

[0008] A polishing section is provided on the upper part of the base;

[0009] The grinding section includes a fixed frame, a mounting tube, a first motor, a sealing shell, a mounting bracket, a grinding block, a sliding rod, a first slider, and a second slider. The fixed frame is rotatably sleeved on the outer surface of the mounting tube via a first bearing. The bottom surface of the fixed frame is fixedly connected to the top surface of the base. The bottom surface of the first motor is fixedly connected to the top surface of the fixed frame. A sliding groove is provided on the outer surface of the mounting bracket. The outer surface of the sliding rod is fixedly connected to the inner wall of the mounting bracket. The first slider and the second slider are both slidably sleeved on the outer surface of the sliding rod. The outer surface of the second slider is fixedly connected to the outer surface of the grinding block.

[0010] A further improvement is that the outer surface of the top end of the double-threaded screw rotates through the inner wall of the C-shaped plate via the second bearing and extends above the C-shaped plate. The outer surface of the clamping plate is slidably connected to the inner wall of the C-shaped plate. By setting the C-shaped plate, the double-threaded screw and the clamping plate, it is convenient to grind the oil pipe.

[0011] A further improvement is that a sliding groove is provided on the top surface of the base, and the outer surface of the output shaft of the second motor rotates through the left end face of the base and extends into the sliding groove via the third bearing. The third slider extends into the sliding groove and is threaded onto the outer surface of the output shaft of the second motor. By setting the third slider and the second motor, it is convenient to control the left and right movement of the oil pipe.

[0012] A further improvement is that the grinding part also includes a dust collection component, a screw, a first pulley, a second pulley, a sleeve, a connecting rod, and a spring. The right end face of the mounting bracket is fixedly connected to the outer surface of the mounting tube. One end of the spring is fixedly connected to the outer surface of the first slider, and the other end of the spring is fixedly connected to the outer surface of the second slider. By setting the spring, the grinding block, the first slider, and the second slider, it is convenient to make the grinding block constantly press against the inner wall of the oil pipe.

[0013] A further improvement is that the outer surface of the right end of the screw rotates through the inner wall of the mounting tube via the fourth bearing and extends to the right side of the mounting tube. The sleeve is threaded onto the outer surface of the screw. One end of the connecting rod is hinged to the outer surface of the first slider, and the outer surface of the connecting rod is hinged to the outer surface of the sleeve. By setting the screw, sleeve, and connecting rod, it is convenient to control the movement of the first slider and to facilitate the device to grind oil pipes of different diameters.

[0014] A further improvement is that the first pulley is fixedly sleeved on the outer surface of the first motor output shaft, and the second pulley is fixedly sleeved on the outer surface of the mounting tube, which facilitates the control of the rotation of the mounting tube and the grinding block.

[0015] A further improvement is that a through hole is provided on the outer surface of the sealing shell, and the sealing shell is rotatably sleeved on the outer surface of the mounting tube through a sealing bearing. The top surface of the air inlet pipe of the dust collection component is fixedly connected to the outer surface of the sealing shell. By setting the dust collection component and the sealing shell, it is convenient to absorb the grinding debris of the oil pipe.

[0016] Compared with the prior art, the beneficial effects of this utility model are as follows: This oil pipe inner wall grinding and polishing device, by setting a fixed frame, mounting pipe, screw, first pulley, second pulley, first motor, sleeve, mounting bracket, grinding block, connecting rod, slide rod, first slider, second slider and spring, utilizes the elastic force of the spring to make the grinding block squeeze the inner wall of the oil pipe, start the first motor to make the mounting pipe rotate, so that the grinding block grinds the inner wall of the oil pipe, rotate the screw to push the first slider to move, so that the device can grind oil pipes of different diameters; by setting a dust suction component and sealing shell, the dust suction component is activated to absorb the grinding dust inside the oil pipe; by setting a second motor, clamping plate, double threaded screw, C-shaped plate and third slider, rotating the double threaded screw makes the clamping plate clamp the oil pipe, start the second motor to drive the oil pipe to move left and right. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of the grinding device of this utility model;

[0018] Figure 2 This is a three-dimensional sectional view of the grinding device of this utility model, shown on the right side.

[0019] Figure 3 This is a partial sectional view of the three-dimensional structure of the grinding device of this utility model;

[0020] Figure 4 This is a partial sectional view of the three-dimensional structure of the grinding part of this utility model;

[0021] Figure 5 for Figure 4 Enlarged view of the structure at point A in the middle.

[0022] In the diagram: 1. Base; 2. Grinding device; 21. Grinding part; 22. Clamping part; 211. Dust collection assembly; 212. Fixing frame; 213. Mounting tube; 214. Screw; 215. First pulley; 216. Second pulley; 217. First motor; 218. Sealing shell; 219. Sleeve; 210. Mounting bracket; 201. Grinding block; 202. Connecting rod; 203. Slide rod; 204. First slider; 205. Second slider; 206. Spring; 221. Second motor; 222. Clamping plate; 223. Double threaded screw; 224. C-shaped plate; 225. Third slider. Detailed Implementation

[0023] 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.

[0024] Please see Figures 1-5 The present invention provides a technical solution: an oil pipe inner wall grinding and polishing device, including a base 1, a grinding device 2 is arranged above the base 1, and the grinding device 2 includes a clamping part 22;

[0025] The clamping part 22 includes a second motor 221, a clamping plate 222, a double-threaded screw 223, a C-shaped plate 224, and a third slider 225. The right end face of the second motor 221 is fixedly connected to the left end face of the base 1, the top surface of the third slider 225 is fixedly connected to the bottom surface of the C-shaped plate 224, and the clamping plate 222 is threaded onto the outer surface of the double-threaded screw 223.

[0026] A sliding groove is provided on the top surface of the base 1. The outer surface of the output shaft of the second motor 221 rotates through the left end face of the base 1 and extends into the sliding groove via the third bearing. The third slider 225 extends into the sliding groove and is threaded onto the outer surface of the output shaft of the second motor 221.

[0027] The outer surface of the top end of the double-threaded screw 223 rotates through the inner wall of the C-shaped plate 224 via the second bearing and extends above the C-shaped plate 224. The outer surface of the clamping plate 222 is slidably connected to the inner wall of the C-shaped plate 224. By setting the second motor 221, the clamping plate 222, the double-threaded screw 223, the C-shaped plate 224 and the third slider 225, the double-threaded screw 223 is rotated to clamp the oil pipe with the clamping plate 222, and the second motor 221 is started to drive the oil pipe to move left and right.

[0028] A polishing part 21 is provided on the upper part of the base 1;

[0029] The grinding section 21 includes a fixed frame 212, a mounting tube 213, a first motor 217, a sealing shell 218, a mounting frame 210, a grinding block 201, a sliding rod 203, a first slider 204, and a second slider 205. The fixed frame 212 is rotatably sleeved on the outer surface of the mounting tube 213 via a first bearing. The bottom surface of the fixed frame 212 is fixedly connected to the top surface of the base 1. The bottom surface of the first motor 217 is fixedly connected to the top surface of the fixed frame 212. A sliding groove is provided on the outer surface of the mounting frame 210. The outer surface of the sliding rod 203 is fixedly connected to the inner wall of the mounting frame 210. The first slider 204 and the second slider 205 are both slidably sleeved on the outer surface of the sliding rod 203. The outer surface of the second slider 205 is fixedly connected to the outer surface of the grinding block 201. The grinding section 21 also includes a dust collection assembly 211, a screw 214, a first pulley 215, a second pulley 216, a sleeve 219, a connecting rod 202, and a spring 206.

[0030] The outer surface of the right end of the screw 214 rotates through the inner wall of the mounting tube 213 via the fourth bearing and extends to the right side of the mounting tube 213. The sleeve 219 is threaded onto the outer surface of the screw 214. One end of the connecting rod 202 is hinged to the outer surface of the first slider 204, and the outer surface of the connecting rod 202 is hinged to the outer surface of the sleeve 219. The right end face of the mounting bracket 210 is fixedly connected to the outer surface of the mounting tube 213. One end of the spring 206 is fixedly connected to the outer surface of the first slider 204, and the other end of the spring 206 is fixedly connected to the outer surface of the second slider 205.

[0031] The first pulley 215 is fixedly sleeved on the outer surface of the output shaft of the first motor 217, and the second pulley 216 is fixedly sleeved on the outer surface of the mounting tube 213. By setting up a fixing frame 212, mounting tube 213, screw 214, first pulley 215, second pulley 216, first motor 217, sleeve 219, mounting frame 210, grinding block 201, connecting rod 202, sliding rod 203, first slider 204, second slider 205 and spring 206, the grinding block 201 is pressed against the inner wall of the oil pipe by the elastic force of the spring 206. The first motor 217 is started, the mounting tube 213 is rotated, and the grinding block 201 grinds the inner wall of the oil pipe. The screw 214 is rotated to push the first slider 204 to move, so that the device can grind oil pipes of different diameters.

[0032] The outer surface of the sealing shell 218 has a through hole. The sealing shell 218 is rotatably sleeved on the outer surface of the mounting tube 213 through a sealing bearing. The top surface of the air inlet pipe of the dust collection component 211 is fixedly connected to the outer surface of the sealing shell 218. By setting the dust collection component 211 and the sealing shell 218, the dust collection component 211 is activated to absorb the grinding dust inside the oil pipe.

[0033] In use, rotating the double-threaded screw 223 drives the clamping plate 222 to clamp the outer surface of the oil pipe. Starting the second motor 221 drives the third slider 225 to move to the right. The third slider 225 drives the C-shaped plate 224 and the oil pipe to move to the right. Rotating the screw 214 drives the sleeve 219 to move to the left. The connecting rod 202 pushes the first slider 204 to move. The first slider 204 pushes the second slider 205 to move through the spring 206, causing the grinding block 201 to press against the inner wall of the oil pipe. Starting the first motor 217 drives the mounting tube 213 and the grinding block 201 to rotate. Starting the second motor 221 drives the oil pipe to move to the right. Starting the dust suction assembly 211 sucks out the dust generated inside the oil pipe.

[0034] 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 the 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 device for polishing the inner wall of an oil pipe, comprising a base (1), characterized in that: The base (1) is provided with a polishing device (2) above, the polishing device (2) includes a clamping part (22); The clamping part (22) includes a second motor (221), a clamping plate (222), a double thread screw rod (223), a C-shaped plate (224) and a third sliding block (225), the second motor (221) is fixedly connected with the left end surface of the base (1), the third sliding block (225) is fixedly connected with the bottom surface of the C-shaped plate (224), and the clamping plate (222) is threadedly sleeved on the outer surface of the double thread screw rod (223). The base (1) is provided with a polishing part (21) above. The polishing part (21) includes a fixing frame (212), a mounting pipe (213), a first motor (217), a sealing shell (218), a mounting frame (210), a polishing block (201), a sliding rod (203), a first sliding block (204) and a second sliding block (205), the fixing frame (212) is rotatably sleeved on the outer surface of the mounting pipe (213) through a first bearing, the first motor (217) is fixedly connected with the top surface of the fixing frame (212), the mounting frame (210) is provided with a sliding groove in the outer surface, the sliding rod (203) is fixedly connected with the inner wall of the mounting frame (210), and the first sliding block (204) and the second sliding block (205) are both slidably sleeved on the outer surface of the sliding rod (203).

2. A device for polishing the interior wall of a tubing string as defined in claim 1, characterized in that: The outer surface of the top end of the double thread screw rod (223) penetrates the inner wall of the C-shaped plate (224) through a second bearing and extends above the C-shaped plate (224), and the outer surface of the clamping plate (222) is slidably connected with the inner wall of the C-shaped plate (224).

3. A device for polishing the interior wall of a tubing string as defined in claim 2, characterized in that: The top surface of the base (1) is provided with a sliding groove, the output shaft of the second motor (221) penetrates the left end surface of the base (1) through a third bearing and extends into the sliding groove, and the third sliding block (225) extends into the sliding groove and is threadedly sleeved on the outer surface of the output shaft of the second motor (221).

4. The device of claim 1, wherein: The polishing part (21) further includes a dust collection assembly (211), a screw rod (214), a first pulley (215), a second pulley (216), a sleeve (219), a connecting rod (202) and a spring (206), the right end surface of the mounting frame (210) is fixedly connected with the outer surface of the mounting pipe (213), one end of the spring (206) is fixedly connected with the outer surface of the first sliding block (204), and the other end of the spring (206) is fixedly connected with the outer surface of the second sliding block (205).

5. A device for polishing the interior wall of a tubing string as defined in claim 4, characterized in that: The right end outer surface of the screw rod (214) penetrates the inner wall of the mounting pipe (213) through a fourth bearing and extends to the right side of the mounting pipe (213), the sleeve (219) is threadedly sleeved on the outer surface of the screw rod (214), one end of the connecting rod (202) is hinged with the outer surface of the first sliding block (204), and the outer surface of the connecting rod (202) is hinged with the outer surface of the sleeve (219).

6. A device for polishing the interior wall of a tubing string as defined in claim 4, wherein: The fixed frame (212) bottom surface is fixedly connected with the base (1) top surface, the first pulley (215) is fixedly sleeved on the first motor (217) output shaft outer surface, and the second pulley (216) is fixedly sleeved on the mounting pipe (213) outer surface.

7. A device for polishing the interior wall of a tubing string as defined in claim 4, wherein: The sealing shell (218) outer surface is provided with a through hole, the sealing shell (218) is rotatably sleeved on the mounting pipe (213) outer surface through a sealing bearing, and the dust suction assembly (211) air inlet pipe top surface is fixedly and penetratingly connected with the sealing shell (218) outer surface.

Images