Polishing machine for inner wall of metal pipe

Abstract

The utility model discloses a metal pipe inner wall polishing machine which comprises a driving motor, a connecting shaft, a stabilizing sleeve, a movable base and a base driving box, the front end of a rotating shaft of the driving motor is fixedly connected with the connecting shaft, the stabilizing sleeve is arranged on the outer side of the connecting shaft, and the bottom end of the driving motor is fixedly installed on the movable base. A base driving box is arranged on the outer side of the movable base, and the polishing end is fixedly connected to the end, away from the driving motor, of the connecting shaft. According to the metal pipe inner wall polishing machine, the bottom end of the adjusting screw rotates in the threaded end, the height of the adjusting screw is controlled, and then the height, exposed out of the end outer frame, of the adjusting end plate is controlled, so that the height conforms to the inner diameter of a pipe, and the end outer frame drives the adjusting end plate and the polishing brush to stretch into the inner wall of the pipe; the driving motor drives the end outer frame to rotate through the connecting shaft, the polishing brush on the adjusting end plate rotates along with the end outer frame, and the polishing effect on the inner wall of the pipe is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of polishing machines, in particular to a metal pipe inner wall polishing machine. Background Art

[0002] A polishing machine is a device used to polish the surface of an object. It is usually used for surface treatment of materials such as metal, plastic, glass, etc. to improve their finish and glossiness. In some cases, the inner wall of the metal pipe also needs to be polished.

[0003] However, when the existing polishing machine is used to polish the inner wall of a metal pipe, it is found that the polishing end needs to be fully inserted into the inner wall of the pipe and then fit with the inner wall before polishing can be performed. However, the calibers inside the pipe are different, and ends of different diameters need to be replaced during polishing. Polishing pipes of different inner diameters is relatively cumbersome and requires frequent replacement of the polishing end. Utility Model Content

[0004] The utility model aims to provide a metal pipe inner wall polishing machine to solve the problem in the above background technology that polishing pipes with different inner diameters is complicated and requires frequent replacement of polishing ends.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a metal pipe inner wall polishing machine, comprising a driving motor, a connecting shaft, a stabilizing sleeve, a mobile base and a base driving box, the front end of the driving motor rotating shaft is fixedly connected to the connecting shaft, the outer side of the connecting shaft is provided with a stabilizing sleeve, the bottom end of the driving motor is fixedly installed on the mobile base, the outer side of the mobile base is provided with a base driving box, and also includes a polishing end head, and the end of the connecting shaft away from the driving motor is fixedly connected to the polishing end head;

[0006] The polishing end includes an end frame, an adjusting end plate, a polishing brush, an adjusting screw, an internal cross plate and a threaded end. The end frame is provided with an adjusting end plate inside, the outer side of the adjusting end plate is fixedly connected with a polishing brush, the end frame is penetrated by the adjusting screw, the outer side of the adjusting screw is fixedly connected with an internal cross plate, the bottom end of the adjusting screw is inserted in the threaded end, the threaded end is fixedly connected to the end frame, and the threaded end and the adjusting screw are threadedly connected.

[0007] Preferably, the polishing end further comprises an adjusting end and a manual adjusting cap, the adjusting end is fixedly connected to one end of the adjusting screw away from the threaded end, and a manual adjusting cap is provided on one side of the adjusting end.

[0008] Preferably, the base drive box includes an external box body, a stepping screw, a stepping motor and a limit shaft, the external box body is provided with a stepping screw inside, one end of the stepping screw is provided with a stepping motor, and the limit shaft is provided above the stepping screw.

[0009] Preferably, the outer sides of the adjusting end head and the manual adjusting cap are both provided with external threads, and the external threads of the adjusting end head and the external threads of the manual adjusting cap are meshed with each other.

[0010] Preferably, the built-in transverse plate is located inside the adjusting end plate, and the built-in transverse plate is movably connected to the adjusting end plate.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] The utility model discloses a metal pipe inner wall polishing machine, which controls the height of the end plate exposed outside the end head outer frame, so that the adjustable end plate drives the polishing brush to expand outward, thereby realizing the adjustment of the overall diameter of the end head outer frame, the adjustable end plate and the polishing brush, so that the end head outer frame as a whole extends into the inner wall for polishing, and in the process of polishing, the stabilizing sleeve is nested on the outside of the connecting shaft to improve the stability of the connecting shaft during rotation. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 It is a cross-sectional view of the base drive box of the utility model;

[0015] Figure 3 It is a cross-sectional view of the polishing end of the utility model.

[0016] In the figure: 1. driving motor; 2. connecting shaft; 3. stabilizing sleeve; 4. polishing end; 41. end frame; 42. adjusting end plate; 43. polishing brush; 44. adjusting screw; 45. built-in cross plate; 46. threaded end; 47. adjusting end; 48. manual adjustment cap; 5. moving base; 6. base driving box; 61. external box; 62. stepping screw; 63. stepping motor; 64. limit shaft. DETAILED DESCRIPTION

[0017] 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 implementation regulations described are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0018] See also Figure 1-3A metal pipe inner wall polishing machine includes a driving motor 1, a connecting shaft 2, a stabilizing sleeve 3, a movable base 5 and a base driving box 6. The front end of the driving motor 1 rotating shaft is fixedly connected to the connecting shaft 2, and the outer side of the connecting shaft 2 is provided with a stabilizing sleeve 3. The bottom end of the driving motor 1 is fixedly installed on the movable base 5, and the outer side of the movable base 5 is provided with a base driving box 6. It also includes a polishing end 4. The end of the connecting shaft 2 away from the driving motor 1 is fixedly connected to the polishing end 4. The polishing end 4 includes an end outer frame 41, an adjusting end plate 42, a polishing brush 43, an adjusting screw 44, a built-in horizontal plate 45 and a threaded end 46. The end outer frame 41 An adjusting end plate 42 is provided inside, and a polishing brush 43 is fixedly connected to the outer side of the adjusting end plate 42. The end frame 41 is penetrated by an adjusting screw 44, and a built-in cross plate 45 is fixedly connected to the outer side of the adjusting screw 44. The bottom end of the adjusting screw 44 is inserted into a threaded end 46, and the threaded end 46 is fixedly connected to the end frame 41, and the threaded end 46 and the adjusting screw 44 are threadedly connected. When the bottom end of the adjusting screw 44 rotates inside the threaded end 46, the height of the adjusting screw 44 outside the threaded end 46 can be controlled, thereby controlling the height of the adjusting end plate 42 exposed from the end frame 41 to make it conform to the inner diameter of the pipe.

[0019] Furthermore, the polishing end 4 also includes an adjusting end 47 and a manual adjusting cap 48. The end of the adjusting screw 44 away from the threaded end 46 is fixedly connected to the adjusting end 47. A manual adjusting cap 48 is provided on one side of the adjusting end 47. The manual adjusting cap 48 is movably mounted on the end outer frame 41, and the manual adjusting cap 48 and the adjusting end 47 are in contact with each other.

[0020] Furthermore, the base driving box 6 includes an external box body 61, a stepping screw 62, a stepping motor 63 and a limit shaft 64. A stepping screw 62 is provided inside the external box body 61, one end of the stepping screw 62 is provided with a stepping motor 63, and the other end of the stepping screw 62 is movably mounted on the external box body 61, and a limit shaft 64 is provided above the stepping screw 62. Both ends of the limit shaft 64 are fixedly connected to the external box body 61. The stepping screw 62 passes through the movable base 5 and is threadedly connected to the movable base 5. At the same time, the limit shaft 64 also passes through the movable base 5 and is movably connected to the movable base 5.

[0021] Furthermore, external threads are provided on the outer sides of the adjustment end 47 and the manual adjustment cap 48, and the external threads of the adjustment end 47 and the external threads of the manual adjustment cap 48 are meshed with each other. By rotating the manual adjustment cap 48, the manual adjustment cap 48 can drive the adjustment end 47 to rotate, and the adjustment end 47 drives the adjustment screw 44 to rotate when rotating.

[0022] Furthermore, the built-in transverse plate 45 is located inside the adjusting end plate 42 , and the built-in transverse plate 45 and the adjusting end plate 42 are movably connected. When the adjusting screw 44 rotates, the built-in transverse plate 45 rotates inside the adjusting end plate 42 .

[0023] Working principle: The utility model is a metal pipe inner wall polishing machine. When in use, the manual adjustment cap 48 is rotated, and the manual adjustment cap 48 drives the adjustment end 47 to rotate, and the adjustment end 47 drives the adjustment screw 44 to rotate. The bottom end of the adjustment screw 44 rotates inside the threaded end 46 to control the height of the adjustment screw 44, and then the height of the adjustment end plate 42 exposed from the end frame 41 is controlled to meet the inner diameter of the pipe. The stepper motor 63 drives the stepper screw 62 to rotate. Through the threaded connection between the bottom end of the mobile base 5 and the stepper screw 62, the rotation of the stepper screw 62 drives the mobile base 5 to move, so that the end frame 41 drives the adjustment end plate 42 and the polishing brush 43 to extend into the inner wall of the pipe. The driving motor 1 drives the end frame 41 to rotate through the connecting shaft 2, and the polishing brush 43 on the adjustment end plate 42 rotates accordingly, thereby achieving the polishing effect on the inner wall of the pipe.

[0024] Although the 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 metal pipe inner wall polishing machine, comprising a driving motor (1), a connecting shaft (2), a stabilizing sleeve (3), a movable base (5) and a base driving box (6), wherein the front end of the driving motor (1) rotating shaft is fixedly connected to the connecting shaft (2), the outer side of the connecting shaft (2) is provided with a stabilizing sleeve (3), the bottom end of the driving motor (1) is fixedly mounted on the movable base (5), and the outer side of the movable base (5) is provided with a base driving box (6), characterized in that: It also comprises a polishing end (4), and the polishing end (4) is fixedly connected to one end of the connecting shaft (2) away from the driving motor (1); The polishing end (4) comprises an end outer frame (41), an adjusting end plate (42), a polishing brush (43), an adjusting screw (44), an internal transverse plate (45) and a threaded end (46); the adjusting end plate (42) is provided inside the end outer frame (41); the polishing brush (43) is fixedly connected to the outer side of the adjusting end plate (42); the end outer frame (41) is penetrated by the adjusting screw (44); the outer side of the adjusting screw (44) is fixedly connected to the internal transverse plate (45); the bottom end of the adjusting screw (44) is inserted into the threaded end (46); the threaded end (46) is fixedly connected to the end outer frame (41); and the threaded end (46) and the adjusting screw (44) are threadedly connected.

2. A metal pipe inner wall polishing machine according to claim 1, characterized in that: The polishing end (4) further comprises an adjusting end (47) and a manual adjusting cap (48); one end of the adjusting screw (44) away from the threaded end (46) is fixedly connected to the adjusting end (47); and a manual adjusting cap (48) is provided on one side of the adjusting end (47).

3. The metal pipe inner wall polishing machine according to claim 1, characterized in that: The base drive box (6) comprises an external box body (61), a stepping screw (62), a stepping motor (63) and a limit shaft (64); the external box body (61) is provided with a stepping screw (62) inside, one end of the stepping screw (62) is provided with a stepping motor (63), and the upper part of the stepping screw (62) is provided with a limit shaft (64).

4. A metal pipe inner wall polishing machine according to claim 2, characterized in that: The outer sides of the adjustment end head (47) and the manual adjustment cap (48) are both provided with external threads, and the external threads of the adjustment end head (47) and the external threads of the manual adjustment cap (48) are meshed with each other.

5. The metal pipe inner wall polishing machine according to claim 1, characterized in that: The built-in transverse plate (45) is located inside the adjusting end plate (42), and the built-in transverse plate (45) and the adjusting end plate (42) are movably connected.

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