Steel pipe inner hole polishing device

Abstract

The utility model relates to the field of mechanical part machining, in particular to a steel pipe inner hole polishing device which comprises a base, a power wheel, a rubber wheel, a steel pipe, a dull polish assembly and a limiting wheel, the steel pipe is arranged between the power wheel and the rubber wheel in the figure, the limiting wheel descends to make contact with the steel pipe, and the limiting wheel, the power wheel and the rubber wheel are in a delta shape. A motor for controlling a power wheel is started to enable the power wheel to rotate clockwise, meanwhile, the steel pipe making contact with the power wheel rotates anticlockwise, a limiting wheel and a rubber wheel making contact with the steel pipe rotate along with the steel pipe, a motor and a hydraulic cylinder for controlling a grinding assembly are started, a grinding head at the end of the grinding assembly rotates and stretches out and draws back slowly, and therefore the inner wall of the steel pipe can be ground more evenly; as the surfaces, in contact with the steel pipe, of the limiting wheel, the rubber wheel and the power wheel are made of rubber, the surface appearance of the steel pipe cannot be damaged, and meanwhile, the inner hole of the steel pipe can be polished more uniformly.

Description

Technical Field

[0001] The utility model relates to the field of mechanical parts processing, in particular to a steel pipe inner hole polishing device. Background Art

[0002] Steel pipes are widely used in industrial pipelines and mechanical structural components in the petrochemical, medical, food processing, automobile manufacturing and other industries. During the production process, the surface finish of steel pipes is required to be high, so the steel pipes need to be polished. In addition, steel pipes also need to be polished after long-term use.

[0003] Steel pipe polishing technology is a surface treatment process that uses physical or chemical methods to make the surface of the steel pipe smooth and flat. Most of the equipment on the market is for polishing the outer surface of steel pipes. As end customers have higher and higher requirements for the surface quality of steel pipes, the processing requirements are becoming more and more stringent. It is often encountered that the inner wall of the steel pipe needs to be polished. However, since the steel pipe is a tubular annular surface, its inner wall polishing is difficult, and it is difficult to achieve consistent polishing at all positions, which affects the polishing effect. Utility Model Content

[0004] Based on this, it is necessary to provide a steel pipe inner hole polishing device that can evenly polish the inner hole.

[0005] The technical solution adopted by the utility model to solve its technical problems is: a steel pipe inner hole polishing device, the steel pipe inner hole polishing device includes a power wheel, a rubber wheel and a limiting wheel, the power wheel includes a power wheel bracket, a power wheel shaft, a power wheel rubber layer and a power wheel gear, the power wheel bracket is fixedly installed on the base to support the power wheel shaft, the power wheel shaft rotates around the hole on the power wheel bracket, the power wheel rubber layer is evenly wrapped around the outside of the power wheel shaft, the power wheel gear is fixedly connected to the power wheel shaft, and a roller chain (not shown) is installed on the power wheel gear. The other end of the roller chain is connected to the motor, and the rubber wheel includes a rubber wheel bracket, a rubber wheel axle and a rubber wheel rubber layer. The rubber wheel bracket is fixedly installed on the base to support the rubber wheel axle. The rubber wheel axle rotates around the hole on the rubber wheel bracket, and the rubber wheel rubber layer is evenly wrapped around the outside of the rubber wheel axle. The limiting wheel includes a lifting rod, a lifting bracket, a rubber roller, a roller shaft and a nut. The lifting bracket is fixedly connected to the lifting rod, the roller shaft is fixedly connected to the lifting bracket, the rubber roller is supported by the roller shaft, and the nuts are installed at both ends of the roller shaft.

[0006] Furthermore, there are three rubber rollers.

[0007] Furthermore, the steel pipe inner hole polishing device includes a base and a grinding assembly.

[0008] Furthermore, the steel pipe inner hole polishing device includes a base, and the base includes a support frame, and the support frame is fixedly installed on the base.

[0009] Furthermore, the steel pipe inner hole polishing device includes a grinding assembly, which includes a grinding head, a telescopic shaft and a grinding assembly gear. The grinding head is fixedly connected to the telescopic shaft, the telescopic shaft is fixedly connected to the grinding assembly gear, and the telescopic shaft is supported by the support frame.

[0010] The beneficial effects of the utility model are as follows: the steel pipe inner hole polishing device provided by the utility model uses a limiting wheel, a rubber wheel and a power wheel to fix the steel pipe. The surfaces of the limiting wheel, the rubber wheel and the power wheel that contact the steel pipe are composed of rubber, which will not damage the surface shape of the steel pipe, and at the same time can make the inner wall of the steel pipe more evenly polished. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0012] Figure 1 It is a structural schematic diagram of a steel pipe inner hole polishing device of the present invention.

[0013] Figure 2 yes Figure 1 The front view of the steel pipe inner hole polishing device shown.

[0014] Figure 3 yes Figure 1 The left side view of the steel pipe inner hole polishing device shown.

[0015] The names and numbers of the parts in the figure are:

[0016] Base 1, support frame 11, power wheel 2, power wheel bracket 21, power wheel axle 22, power wheel rubber layer 23, power wheel gear 24, rubber wheel 3, rubber wheel bracket 31, rubber wheel axle 32, rubber wheel rubber layer 33, steel pipe 4, frosting assembly 5, frosting head 51, telescopic shaft 52, frosting assembly gear 53, limiting wheel 6, lifting rod 61, lifting bracket 62, rubber roller 63, roller shaft 64. DETAILED DESCRIPTION

[0017] The present invention will now be described in detail with reference to the accompanying drawings. This drawing is a simplified schematic diagram, which only illustrates the basic structure of the present invention in a schematic manner, and therefore only shows the components related to the present invention.

[0018] See also Figure 1 The utility model provides a steel pipe inner hole polishing device for polishing the inner wall of the steel pipe, comprising a base 1, a power wheel 2, a rubber wheel 3, a steel pipe 4, a grinding component 5 and a limiting wheel 6.

[0019] The base 1 includes a support frame 11 fixedly mounted on the base 1. The power wheel 2 includes a power wheel bracket 21, a power wheel axle 22, a power wheel rubber layer 23, and a power wheel gear 24. The power wheel bracket 21 is fixedly mounted on the base 1 and supports the power wheel axle 22. The power wheel axle 22 is rotatably connected to the power wheel bracket 21. Furthermore, the power wheel bracket 21 has a hole. The power wheel rubber layer 23 is evenly wrapped around the power wheel axle 22. The power wheel gear 24 is fixedly connected to the power wheel axle 22 and is driven to rotate by a first motor. Specifically, a first gear is fixedly mounted on the output shaft of the first motor and meshes with the power wheel gear 24. The rubber wheel 3 includes a rubber wheel bracket 31, a rubber wheel axle 32, and a rubber wheel rubber layer 33. The rubber wheel bracket 21 is fixedly mounted on the base 1 and supports the rubber wheel axle 22. The rubber wheel axle 22 rotates about the hole in the rubber wheel bracket 21. The rubber wheel rubber layer 23 is evenly wrapped around the rubber wheel axle 22.

[0020] The grinding assembly 5 includes a grinding head 51, a telescopic shaft 52 and a grinding assembly gear 53. The grinding head 51 is fixedly connected to the telescopic shaft 52, and the other end of the telescopic shaft 52 is fixedly installed with a grinding assembly gear 53. A hydraulic cylinder is installed on the support frame 11, and the rigid body of the hydraulic cylinder is rotatably connected to the support frame 11. The telescopic shaft 52 is fixedly connected to the protruding end of the hydraulic cylinder. A second motor is fixedly installed on the side of the support frame 11 away from the telescopic shaft 52, and a gear is fixedly installed on the output shaft of the second motor to mesh with the grinding assembly gear 53. The grinding head 51 is fixedly installed on the other side of the telescopic shaft 52. When in use, the second motor is started, and the second motor gear meshes with the grinding assembly gear 53, driving the grinding head 51 to rotate. At the same time, the hydraulic cylinder drives the telescopic shaft 52 to drive the grinding head 51 to slowly extend and retract, thereby achieving the effect of grinding and polishing the inner hole of the steel pipe 4.

[0021] The limiting wheel 6 includes a lifting rod 61, a lifting bracket 62, a rubber roller 63, and a roller shaft 64. A cylinder is connected to the upper end of the lifting rod 61, which controls the lifting rod 61 to move up and down. The lifting bracket 62 is fixedly connected to the lifting rod 61. The roller shaft 64 is fixedly mounted on the lifting bracket 62, and the rubber roller 63 is rotatably connected to the roller shaft 64.

[0022] Place the steel pipe 4 above the center of the power wheel 2 and the rubber wheel 3, control the cylinder to drive the lifting rod 61 to descend, so that the rubber roller 63 contacts the steel pipe 4, start the first motor, and the motor rotates through the end gear meshing the power wheel gear 24 to make the power wheel 2 rotate clockwise. At the same time, the steel pipe 4 contacting the power wheel 2 rotates counterclockwise, and the limiting wheel 6 and the rubber wheel 3 in contact with the steel pipe rotate clockwise. Start the hydraulic cylinder and the second motor connected to the frosting component 5, and the second motor drives the end gear to mesh with the frosting component gear 53 to rotate. The frosting component 5 is controlled by the hydraulic cylinder in the support frame 11 to extend and retract, so that the frosting head 51 at the end of the frosting component 5 rotates and slowly extends and retracts to grind and polish the inner wall of the steel pipe 4. After polishing is completed, remove the steel pipe 4 and turn off the equipment.

[0023] The utility model provides a steel pipe inner hole polishing device, which includes a base, a power wheel, a rubber wheel, a steel pipe, a grinding assembly and a limiting wheel. The power wheel, the rubber wheel and the limiting wheel limit the steel pipe. Since their surfaces are all rubber, they will not damage the outer surface of the steel pipe. The power wheel transmits power to rotate the steel pipe, and then the grinding head rubs the inner wall of the steel pipe at a uniform speed so that all positions of the inner wall are polished uniformly.

Claims

1. A steel pipe inner hole polishing device, characterized by: The steel pipe inner hole polishing device includes a power wheel, a rubber wheel and a limiting wheel, the power wheel includes a power wheel bracket, a power wheel axle, a power wheel rubber layer and a power wheel gear, the power wheel bracket is fixedly installed on the base to support the power wheel axle, the power wheel axle rotates around the hole on the power wheel bracket, the power wheel rubber layer is evenly wrapped around the outside of the power wheel axle, the power wheel gear is fixedly connected to the power wheel axle, the rubber wheel includes a rubber wheel bracket, a rubber wheel axle and a rubber wheel rubber layer, the rubber wheel bracket is fixedly installed on the base to support the rubber wheel axle, the rubber wheel axle rotates around the hole on the rubber wheel bracket, the rubber wheel rubber layer is evenly wrapped around the outside of the rubber wheel axle, the limiting wheel includes a lifting rod, a lifting bracket, a rubber roller, a roller shaft and a nut, the lifting bracket is fixedly connected to the lifting rod, the roller shaft is fixedly connected to the lifting bracket, the rubber roller is supported by the roller shaft, and the nuts are installed at both ends of the roller shaft.

2. The steel pipe inner hole polishing device according to claim 1, characterized in that: There are three rubber rollers.

3. The steel pipe inner hole polishing device according to claim 1, characterized in that: The steel pipe inner hole polishing device includes a base, and the base includes a support frame, and the support frame is fixedly installed on the base.

4. The steel pipe inner hole polishing device according to claim 3, characterized in that: The steel pipe inner hole polishing device includes a grinding assembly, which includes a grinding head, a telescopic shaft and a grinding assembly gear. The grinding head is fixedly connected to the telescopic shaft, the telescopic shaft is fixedly connected to the grinding assembly gear, and the telescopic shaft is supported by the support frame.

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