Inner wall polishing device for metal pipe machining

Abstract

The utility model discloses an inner wall polishing device for metal tube processing, which comprises a base, a fixed frame is arranged at the top of the base, a two-way screw rod is rotatably mounted in the fixed frame, a first motor is arranged on one side of the fixed frame, an output shaft of the first motor is connected with the two-way screw rod, and a second motor is arranged on the other side of the fixed frame. Movable frames are arranged at the top of the base in a sliding mode, the two movable frames are in threaded sleeve connection with a two-way screw rod through two sections of threads in the opposite directions on the two-way screw rod, supporting rollers are rotationally installed in the movable frames, a second motor is arranged at the rear end of one movable frame, and an output shaft of the second motor is connected with the supporting rollers; a first air cylinder is arranged at the top of the fixing frame, and an output shaft of the first air cylinder penetrates through the fixing frame to be connected with a mounting frame. Through the arrangement, the inner walls of metal pipes with different diameters can be uniformly polished, the application range of the device is expanded, and the practicability of the device is enhanced.

Description

Technical Field

[0001] The utility model relates to an inner wall polishing device for metal pipe processing. Background Art

[0002] In the process of producing and processing metal tubes, in order to make the inner surface smooth, the inner wall of the metal tube needs to be polished. Existing metal tube inner wall polishing devices can often only operate on metal tubes of a specific diameter. When replacing metal tubes of different diameters, the polishing device is difficult to perform the polishing operation, which limits the scope of application of the polishing device and has certain limitations.

[0003] Therefore, it is necessary to provide an inner wall polishing device for metal pipe processing to solve the above problems. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide an inner wall polishing device for metal pipe processing to solve the problems raised in the above background technology.

[0005] In order to solve the above problems, the utility model adopts the following technical solutions:

[0006] A metal pipe processing inner wall polishing device comprises a base, a fixed frame is arranged on the top of the base, a bidirectional screw is rotatably installed inside the fixed frame, a first motor is arranged on one side of the fixed frame, an output shaft of the first motor is connected with the bidirectional screw, a moving frame is slidably arranged on the top of the base, two moving frames are respectively threadedly sleeved with the bidirectional screw through two sections of threads in opposite directions on the bidirectional screw, a supporting roller is rotatably installed in the moving frame, a second motor is arranged at the rear end of one of the moving frames, the output shaft of the second motor is connected with the supporting roller, a first cylinder is arranged on the top of the fixed frame, the output shaft of the first cylinder passes through the fixed frame and is connected with a mounting frame, a pressing wheel is rotatably installed in the mounting frame, a hydraulic cylinder and a vertical plate are arranged on the rear end of the top of the base, the output shaft of the hydraulic cylinder is connected with a lifting plate, a second cylinder is arranged on the top of the lifting plate, the output shaft of the second cylinder is connected with a third motor, and the output shaft of the third motor is sequentially connected with a connecting rod and a polishing roller.

[0007] Preferably, a slide groove is provided on the top of the base, and sliding blocks are provided on the bottom of the two movable frames, and the sliding blocks are slidably arranged in the slide groove.

[0008] Preferably, a strip groove is provided inside the vertical plate, and the strip groove allows the second cylinder output shaft to move vertically.

[0009] The beneficial effects of the utility model are as follows: starting the first motor drives the bidirectional screw to rotate, driving the moving frames on both sides to move closer or farther away, thereby adjusting the support roller spacing according to the diameter of the metal tube, so that the metal tube can be placed between the support rollers on both sides; starting the first cylinder to extend its output shaft, driving the clamping roller to move downward until it clamps the metal tube, thereby completing the positioning process of metal tubes with different diameters; starting the second cylinder to extend and retract its output shaft, thereby driving the polishing roller to move back and forth, so that the polishing roller is located inside the metal tube; the extension and retraction of the hydraulic cylinder output shaft drives the second cylinder to move up and down, thereby causing the polishing roller to move up and down, so that the polishing roller contacts the inner bottom wall of the metal tube; starting the third motor drives the polishing roller to rotate, thereby polishing the inner wall of the metal tube; starting the second motor drives the support roller connected thereto to rotate, and through the contact between the metal tube and the support rollers on both sides and the clamping wheel, the metal tube is driven to rotate, thereby evenly polishing the inner wall surface of the metal tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below, but this does not limit the protection scope of the utility model.

[0011] Figure 1 A front view of the entire device provided by the utility model;

[0012] Figure 2 A side view of the entire device provided by the utility model;

[0013] Figure 3 The utility model provides Figure 2 Front cross-sectional view of the middle structure.

[0014] Among them, 1. base; 2. fixed frame; 3. bidirectional screw; 4. first motor; 5. moving frame; 6. support roller; 7. second motor; 8. first cylinder; 9. mounting frame; 10. clamping wheel; 11. hydraulic cylinder; 12. vertical plate; 13. lifting plate; 14. second cylinder; 15. third motor; 16. connecting rod; 17. polishing roller; 18. slide groove; 19. slider; 20. strip groove. DETAILED DESCRIPTION

[0015] See also Figures 1 to 3The inner wall polishing device for metal pipe processing shown in the figure comprises a base 1, a fixed frame 2 is arranged on the top of the base 1, a bidirectional screw 3 is rotatably installed inside the fixed frame 2, a first motor 4 is arranged on one side of the fixed frame 2, and the output shaft of the first motor 4 is connected to the bidirectional screw 3, a moving frame 5 is slidably arranged on the top of the base 1, and two moving frames 5 are respectively threadedly sleeved with the bidirectional screw 3 through two sections of threads in opposite directions on the bidirectional screw 3, a supporting roller 6 is rotatably installed inside the moving frame 5, and a second motor 7 is arranged at the rear end of one of the moving frames 5, The output shaft of the second motor 7 is connected to the supporting roller 6, and a first cylinder 8 is arranged on the top of the fixed frame 2. The output shaft of the first cylinder 8 passes through the fixed frame 2 and is connected to a mounting frame 9, and a clamping wheel 10 is rotatably installed in the mounting frame 9. A hydraulic cylinder 11 and a vertical plate 12 are arranged at the top rear end of the base 1, and the output shaft of the hydraulic cylinder 11 is connected to a lifting plate 13. A second cylinder 14 is arranged on the top of the lifting plate 13, and the output shaft of the second cylinder 14 is connected to a third motor 15, and the output shaft of the third motor 15 is sequentially connected to a connecting rod 16 and a polishing roller 17.

[0016] Furthermore, a slide groove 18 is disposed on the top of the base 1 , and a slider 19 is disposed on the bottom of the two movable frames 5 , and the slider 19 is slidably disposed in the slide groove 18 .

[0017] The slider 19 and the slide groove 18 are arranged so as to limit the movable frame 5 in the transverse direction.

[0018] Furthermore, a strip groove 20 is provided inside the vertical plate 12 , and the strip groove 20 allows the output shaft of the second cylinder 14 to move vertically.

[0019] The strip groove 20 is provided to provide a space for the output shaft of the second cylinder 14 to move vertically.

[0020] When the utility model is used, the first motor 4 is started to drive the bidirectional screw 3 to rotate, and according to the principle of screw transmission, the moving frames 5 on both sides are driven to move closer or farther away to adjust the spacing between the support rollers 6 on both sides, so as to adjust the spacing between the support rollers 6 according to the diameter of the metal tube, so as to place the metal tube between the support rollers 6 on both sides, and the first cylinder 8 is started to extend its output shaft, so as to drive the clamping roller 10 to move downward and until the metal tube is clamped, so as to complete the positioning process of metal tubes with different diameters, and the second cylinder 14 is started to extend its output shaft, so as to drive the polishing roller 17 to move forward and backward, so that the polishing roller 17 is located inside the metal tube, and the hydraulic cylinder 11 output shaft is extended and retracted to drive the second cylinder 14 to move up and down, so as to move the polishing roller 17 up and down, so that the polishing roller 17 contacts with the inner bottom wall of the metal tube, and the third motor 15 is started to drive the polishing roller 17 to rotate, so as to polish the inner wall of the metal tube, and the second motor 7 is started to drive the support roller 6 connected thereto to rotate, and through the contact between the metal tube and the support rollers 6 on both sides and the clamping wheel 10, the metal tube is driven to rotate, so as to evenly polish the inner wall surface of the metal tube.

[0021] The above are only specific implementations of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that are not conceived through creative work should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope defined in the claims.

Claims

1. An inner wall polishing device for metal pipe processing, characterized in that: The present invention comprises a base, a fixed frame is provided on the top of the base, a bidirectional screw is rotatably installed inside the fixed frame, a first motor is provided on one side of the fixed frame, an output shaft of the first motor is connected with the bidirectional screw, a moving frame is slidably provided on the top of the base, and the two moving frames are respectively threadedly sleeved with the bidirectional screw through two sections of threads in opposite directions on the bidirectional screw, a supporting roller is rotatably installed in the moving frame, a second motor is provided at the rear end of one of the moving frames, the output shaft of the second motor is connected with the supporting roller, a first cylinder is provided on the top of the fixed frame, the output shaft of the first cylinder passes through the fixed frame and is connected with a mounting frame, a clamping wheel is rotatably installed in the mounting frame, a hydraulic cylinder and a vertical plate are provided on the rear end of the top of the base, the output shaft of the hydraulic cylinder is connected with a lifting plate, a second cylinder is provided on the top of the lifting plate, the output shaft of the second cylinder is connected with a third motor, and the output shaft of the third motor is sequentially connected with a connecting rod and a polishing roller.

2. The inner wall polishing device for metal pipe processing according to claim 1, characterized in that: A slide groove is arranged on the top of the base, and sliding blocks are arranged on the bottom of the two movable frames, and the sliding blocks are slidably arranged in the slide groove.

3. The inner wall polishing device for metal tube processing according to claim 1, characterized in that: A strip groove is arranged inside the vertical plate, and the strip groove allows the second cylinder output shaft to move vertically.

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