Pipe fitting inner wall polishing device

Abstract

The utility model discloses a pipe fitting inner wall polishing device which comprises a bottom plate, an installation frame is fixedly installed on the top of the bottom plate, a first motor is fixedly installed on the top of the installation frame, one end of an output shaft of the first motor penetrates through the installation frame and is fixedly connected with a worm, and two sets of turbines are symmetrically connected to the worm in a threaded mode. Connecting rods are fixedly inserted into the two sets of turbines, the outer walls of the two ends of the two sets of connecting rods are fixedly sleeved with clamping plates, pipe fitting bodies are arranged on the opposite sides of the four sets of clamping plates, a worm is driven to rotate through an output shaft of a first motor, and the worm can drive the two sets of turbines to rotate when rotating; the two sets of turbines drive the connecting rods fixedly connected with the turbines to rotate correspondingly, the two sets of connecting rods drive the two sets of clamping plates to rotate correspondingly, the pipe fitting body is fixed, the inner wall of the pipe fitting body can be prevented from shaking during polishing, and the polishing quality is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pipe fitting processing, in particular to a pipe fitting inner wall polishing device. Background Art

[0002] Steel pipes are used to transport fluids and powdered solids, exchange heat, manufacture mechanical parts and containers. They are also an economical steel. The key to operating the polishing device is to try to obtain the maximum polishing rate so as to remove the damaged layer produced during polishing as soon as possible.

[0003] For example, a pipe inner wall polishing device (announcement number: CN211516940U) includes a first fine grinding wheel and a motor, a coarse grinding wheel is arranged at the right end of the first fine grinding wheel, a nozzle is arranged below the left end of the second fine grinding wheel, a support seat is arranged below the right end of the nozzle, a telescopic tube is arranged below the right end of the support seat, a stabilizing seat is arranged at the left end of the screw rod, a base is arranged below the stabilizing seat, a cooling pump is arranged at the right end of the coolant tank, a circular belt is arranged below the right end of the fixed seat, a rubber ring is arranged above the left end of the box mouth, and a handle is arranged below the right end of the motor. Compared with the existing ordinary pipe inner wall polishing device, the device greatly improves the performance of the entire device while adding structure. The improved pipe inner wall polishing device has a cooling structure, and the device can reciprocate, which effectively meets people's usage effects.

[0004] When the device is in use, there is a lack of a positioning mechanism for the pipe fitting. When the inner wall of the pipe fitting is polished, the pipe fitting is prone to shaking, which affects the polishing quality. Therefore, we need to propose a pipe fitting inner wall polishing device. Utility Model Content

[0005] The purpose of the utility model is to provide a pipe inner wall polishing device, which fixes the pipe body and can prevent the inner wall of the pipe body from shaking during polishing, thereby improving the polishing quality and solving the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A device for polishing the inner wall of a pipe fitting comprises a base plate, a mounting frame is fixedly installed on the top of the base plate, a first motor is fixedly installed on the top of the mounting frame, one end of the output shaft of the first motor passes through the mounting frame and is fixedly connected to a worm, two groups of turbines are symmetrically threaded on the worm, connecting rods are fixedly inserted inside the two groups of turbines, clamping plates are fixedly sleeved on the outer walls of both ends of the two groups of connecting rods, a pipe fitting body is arranged on opposite sides of the four groups of clamping plates, a groove is provided on one side of the base plate located on the mounting frame, an inverted L-shaped mounting frame is slidably installed inside the groove, a moving component for driving the inverted L-shaped mounting frame to move is arranged inside the groove, and a polishing component for polishing the inner wall of the pipe fitting body is arranged on the inverted L-shaped mounting frame.

[0008] Preferably, the moving component includes a threaded rod, which is rotatably mounted inside the groove, one end of the threaded rod passes through the bottom plate and is fixedly connected to a second motor, a moving plate is threadedly mounted on the outer wall of the threaded rod, and the top of the moving plate is fixedly connected to an inverted L-shaped mounting frame.

[0009] Preferably, two groups of limiting rods are symmetrically fixedly installed inside the groove, and the movable plate is slidably installed on the outer walls of the two groups of limiting rods.

[0010] Preferably, the grinding assembly includes a rotating rod, which is rotatably mounted on one side of an inverted L-shaped mounting frame, one end of the rotating rod passes through the inverted L-shaped mounting frame and is fixedly connected to a third motor, and the other end of the rotating rod is provided with a grinding head.

[0011] Preferably, threaded through holes are provided on the outer wall of one end of the rotating rod and the grinding head, and bolts are installed on the internal threads of the two groups of threaded through holes.

[0012] Preferably, a support plate is fixedly connected to the inner top of the inverted L-shaped mounting frame, and the support plate is rotatably connected to the outer wall of the rotating rod.

[0013] Preferably, both sides of the mounting frame are fixedly connected with support frames, and both ends of the two groups of connecting rods are rotatably mounted on the two groups of support frames respectively.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] When the utility model is in use, the output shaft of the first motor drives the worm to rotate, and the worm drives the two sets of turbines to rotate when rotating. The two sets of turbines respectively drive the connecting rods fixedly connected to them to rotate, and the two sets of connecting rods respectively drive the two sets of clamping plates to rotate, thereby fixing the pipe body, preventing the inner wall of the pipe body from shaking during polishing, and improving the polishing quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the structure of the installation frame of the utility model;

[0018] Figure 3 It is a structural schematic diagram of the grinding head of the utility model.

[0019] In the figure: 1. base plate; 2. mounting frame; 3. first motor; 4. worm; 5. turbine; 6. connecting rod; 7. clamping plate; 8. pipe body; 9. inverted L-shaped mounting frame; 10. threaded rod; 11. second motor; 12. moving plate; 13. limit rod; 14. rotating rod; 15. third motor; 16. grinding head; 17. support plate; 18. support frame; 19. bolt. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-3 , the utility model provides a technical solution:

[0022] A pipe inner wall polishing device comprises a bottom plate 1, a mounting frame 2 is fixedly mounted on the top of the bottom plate 1, a first motor 3 is fixedly mounted on the top of the mounting frame 2, one end of the output shaft of the first motor 3 passes through the mounting frame 2 and is fixedly connected to a worm 4, two groups of turbines 5 are symmetrically threadedly connected to the worm 4, connecting rods 6 are fixedly inserted inside the two groups of turbines 5, clamping plates 7 are fixedly sleeved on the outer walls of both ends of the two groups of connecting rods 6, and a pipe body 8 is arranged on the opposite side of the four groups of clamping plates 7, and the worm 4 is driven to rotate by the output shaft of the first motor 3, and the worm 4 drives the two groups of turbines 5 to rotate when rotating. The turbine 5 rotates, and the two groups of turbines 5 respectively drive the connecting rods 6 fixedly connected thereto to rotate, and the two groups of connecting rods 6 respectively drive the two groups of clamping plates 7 to rotate, thereby fixing the pipe body 8, which can prevent the inner wall of the pipe body 8 from shaking during polishing, thereby improving the polishing quality. A groove is provided on one side of the bottom plate 1 located on the mounting frame 2, and an inverted L-shaped mounting frame 9 is slidably installed inside the groove. A moving component for driving the inverted L-shaped mounting frame 9 to move is provided inside the groove, and a polishing component for polishing the inner wall of the pipe body 8 is provided on the inverted L-shaped mounting frame 9;

[0023] The moving assembly includes a threaded rod 10, which is rotatably mounted inside the groove, one end of the threaded rod 10 passes through the bottom plate 1 and is fixedly connected to the second motor 11, a moving plate 12 is threadedly mounted on the outer wall of the threaded rod 10, and the top of the moving plate 12 is fixedly connected to the inverted L-shaped mounting frame 9, the output end of the second motor 11 drives the threaded rod 10 to rotate, so that the moving plate 12 moves, and the moving plate 12 drives the inverted L-shaped mounting frame 9 to move, thereby moving the grinding assembly;

[0024] Two sets of limiting rods 13 are symmetrically fixedly installed inside the groove, and the movable plate 12 is slidably installed on the outer walls of the two sets of limiting rods 13. The two sets of limiting rods 13 can limit the movable plate 12, so that when the threaded rod 10 rotates, the movable plate 12 can move;

[0025] The grinding assembly includes a rotating rod 14, which is rotatably mounted on one side of the inverted L-shaped mounting frame 9, one end of the rotating rod 14 passes through the inverted L-shaped mounting frame 9 and is fixedly connected to a third motor 15, and the other end of the rotating rod 14 is provided with a grinding head 16, and the rotating rod 14 is driven to rotate by the output end of the third motor 15, and the rotating rod 14 drives the grinding head 16 to rotate, so as to grind the inner wall of the pipe body 8, and the grinding assembly is driven to move by the moving assembly, so that the inner wall of the pipe body 8 can be fully polished;

[0026] Threaded through holes are provided on the outer wall of one end of the rotating rod 14 and the grinding head 16. Bolts 19 are installed on the internal threads of the two sets of threaded through holes. The rotating rod 14 and the grinding head 16 are fixedly connected by the bolts 19, so that the grinding head 16 can be easily replaced when grinding the pipe body 8 with different radii.

[0027] A support plate 17 is fixedly connected to the inner top of the inverted L-shaped mounting frame 9, and the support plate 17 is rotatably connected to the outer wall of the rotating rod 14. A bearing is embedded on the support plate 17, and the rotating rod 14 is inserted into the inner ring of the bearing to improve the stability of the rotating rod 14;

[0028] Support frames 18 are fixedly connected to both sides of the mounting frame 2, and both ends of the two groups of connecting rods 6 are rotatably mounted on the two groups of support frames 18 respectively. The two groups of support frames 18 are used to support the two groups of connecting rods 6 to improve the stability of the two groups of support frames 18.

[0029] Working principle: When the utility model is used, the output shaft of the first motor 3 drives the worm 4 to rotate. When the worm 4 rotates, it will drive the two sets of turbines 5 to rotate. The two sets of turbines 5 respectively drive the connecting rods 6 fixedly connected thereto to rotate. The two sets of connecting rods 6 respectively drive the two sets of clamping plates 7 to rotate, thereby fixing the pipe body 8. This can prevent the inner wall of the pipe body 8 from shaking during polishing, thereby improving the polishing quality.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pipe inner wall polishing device, comprising a bottom plate (1), characterized in that: A mounting frame (2) is fixedly mounted on the top of the base plate (1), a first motor (3) is fixedly mounted on the top of the mounting frame (2), one end of the output shaft of the first motor (3) passes through the mounting frame (2) and is fixedly connected to a worm (4), two groups of turbines (5) are symmetrically threadedly connected to the worm (4), connecting rods (6) are fixedly inserted into the inside of the two groups of turbines (5), clamping plates (7) are fixedly sleeved on the outer walls of both ends of the two groups of connecting rods (6), and a pipe body (8) is arranged on the opposite side of the four groups of clamping plates (7), and a groove is opened on one side of the base plate (1) located on the mounting frame (2), an inverted L-shaped mounting frame (9) is slidably mounted inside the groove, a moving component for driving the inverted L-shaped mounting frame (9) to move is arranged inside the groove, and a grinding component for grinding the inner wall of the pipe body (8) is arranged on the inverted L-shaped mounting frame (9).

2. A pipe inner wall polishing device according to claim 1, characterized in that: The moving assembly comprises a threaded rod (10), the threaded rod (10) being rotatably mounted inside the groove, one end of the threaded rod (10) passing through the bottom plate (1) and being fixedly connected to a second motor (11), a moving plate (12) being threadedly mounted on the outer wall of the threaded rod (10), and the top of the moving plate (12) being fixedly connected to an inverted L-shaped mounting frame (9).

3. A pipe inner wall polishing device according to claim 2, characterized in that: Two groups of limit rods (13) are symmetrically fixedly installed inside the groove, and the movable plate (12) is slidably installed on the outer walls of the two groups of limit rods (13).

4. The pipe inner wall polishing device according to claim 1, characterized in that: The grinding assembly comprises a rotating rod (14), the rotating rod (14) being rotatably mounted on one side of an inverted L-shaped mounting frame (9), one end of the rotating rod (14) passing through the inverted L-shaped mounting frame (9) and being fixedly connected to a third motor (15), and the other end of the rotating rod (14) being provided with a grinding head (16).

5. A pipe inner wall polishing device according to claim 4, characterized in that: Threaded through holes are provided on the outer wall of one end of the rotating rod (14) and the grinding head (16), and bolts (19) are installed on the internal threads of the two groups of threaded through holes.

6. A pipe inner wall polishing device according to claim 5, characterized in that: A support plate (17) is fixedly connected to the inner top of the inverted L-shaped mounting frame (9), and the support plate (17) is rotatably connected to the outer wall of the rotating rod (14).

7. The pipe inner wall polishing device according to claim 1, characterized in that: Both sides of the mounting frame (2) are fixedly connected to support frames (18), and both ends of the two groups of connecting rods (6) are rotatably mounted on the two groups of support frames (18) respectively.

Images