CN215036440U

CN215036440U - Multi-shaft polishing machine applied to pipeline inner surface treatment

Info

Publication number: CN215036440U
Application number: CN202120500581.0U
Authority: CN
Inventors: 汪孝军; 胡贤
Original assignee: Guangzhou Lirui Electrical Machinery Co ltd
Current assignee: Guangzhou Lirui Electrical Machinery Co ltd
Priority date: 2021-03-09
Filing date: 2021-03-09
Publication date: 2021-12-07
Anticipated expiration: 2031-03-09

Abstract

The utility model discloses a be applied to multiaxis formula burnishing machine of pipeline internal surface treatment, including the burnishing machine main part, and set up in polishing mechanism, moving mechanism, polishing slewing mechanism and clamping device in the burnishing machine main part, polish the mechanism polish slewing mechanism is fixed in respectively on the moving mechanism, polish slewing mechanism with it links to each other to polish the mechanism, moving mechanism drives polish the mechanism polish slewing mechanism to being close to or keeping away from clamping device's direction removes, polishing slewing mechanism drives polish the mechanism and rotate. The utility model discloses a burnishing machine's polishing efficiency is high, and polishing efficiency is good.

Description

Multi-shaft polishing machine applied to pipeline inner surface treatment

Technical Field

The utility model relates to a burnishing machine technical field, more specifically the multi-axis formula burnishing machine who is applied to pipeline internal surface treatment that says so.

Background

Polishing refers to a process of reducing the roughness of a workpiece surface by mechanical, chemical, or electrochemical actions to obtain a bright, flat surface. The method is to carry out modification processing on the surface of a workpiece by using a polishing tool and abrasive particles or other polishing media.

In prior art, the polishing of the inner wall of the pipeline of the pipe is usually performed by manual polishing, the polishing efficiency of the manual polishing is low, and the smoothness of the inner wall of the pipeline after the manual polishing is also different, so that the polishing effect is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be applied to surface treatment's multiaxis formula burnishing machine in pipeline, the utility model discloses a burnishing machine's polishing efficiency is high, and polishing efficiency is good.

The technical scheme is as follows:

the utility model provides a be applied to multiaxis formula burnishing machine of pipeline internal surface treatment, includes the burnishing machine main part, and set up in polishing mechanism, moving mechanism, polishing slewing mechanism and clamping device in the burnishing machine main part, polish the mechanism polish slewing mechanism and be fixed in respectively on the moving mechanism, polish slewing mechanism with it links to each other to polish the mechanism, moving mechanism drives polish the mechanism polish slewing mechanism to being close to or keeping away from clamping device's direction removes, polishing slewing mechanism drives polish the mechanism and rotate.

The moving mechanism comprises a moving base, a moving motor, a moving gear, a moving rack and two linear bearings, wherein the moving motor is fixed on the moving base, the moving gear is connected with the moving motor, the moving gear is meshed with the moving rack, and the bottom of the moving base is connected with the two linear bearings.

The polishing mechanism comprises a plurality of grinding rods and a supporting assembly, one end of each grinding rod is connected with the polishing rotating mechanism, the other end of each grinding rod is provided with a grinding head, and each grinding rod is arranged on the supporting assembly.

The supporting component comprises two supporting frames, a supporting cross rod and a plurality of supporting pieces, the two supporting frames are arranged oppositely, two ends of the supporting cross rod are fixed on the two supporting frames respectively, the supporting pieces are fixed on the supporting cross rod respectively, and the grinding rods are supported by the supporting pieces respectively.

The clamping device comprises two first clamping mechanisms, a second clamping mechanism and a position adjusting mechanism, wherein the two first clamping mechanisms are respectively positioned on two opposite sides of the second clamping mechanism, the position adjusting mechanism is connected with the first clamping mechanisms and the second clamping mechanism, and the pipe is clamped and fixed through the first clamping mechanisms and the second clamping mechanisms.

The first clamping mechanism and the second clamping mechanism respectively comprise a first clamping component, a second clamping component and a clamping moving component, the first clamping component is located right above the second clamping component, the clamping moving component is connected with the first clamping component, and the clamping moving component drives the first clamping component to move upwards or downwards relative to the second clamping component.

The first clamping assembly and the second clamping assembly respectively comprise a fixing seat and a plurality of clamping wheels, the clamping wheels are respectively and movably arranged on the fixing seat, the clamping wheels of the first clamping assembly correspond to the clamping wheels of the second clamping assembly, and a pipeline is clamped between every two adjacent clamping wheels.

The clamping device further comprises a clamping rotating mechanism, the clamping rotating mechanism is connected with the plurality of clamping wheels of the second clamping assembly of the second clamping mechanism, and the clamping rotating mechanism drives the plurality of clamping wheels to rotate.

The clamping and rotating mechanism comprises a clamping and rotating driving motor, a clamping main driving assembly and a clamping slave driving assembly, the clamping and rotating driving motor is connected with the clamping main driving assembly, the clamping and rotating driving motor drives the clamping main driving assembly to rotate, the clamping main driving assembly drives the clamping slave driving assembly to rotate, and the clamping slave driving assembly drives the clamping wheel to rotate.

Position adjustment mechanism drives actuating cylinder, regulation bracket component, regulation base including adjusting, adjust drive actuating cylinder with it links to each other to adjust the bracket component, adjust the bracket component with it links to each other to adjust the base, it drives actuating cylinder to adjust the bracket component and remove to adjust.

The advantages or principles of the invention are explained below:

1. the utility model discloses a be provided with polishing mechanism, moving mechanism, polishing slewing mechanism and clamping device in the burnishing machine main part. When the polishing machine is used for polishing the inner wall of the pipeline of the pipe, the pipe is firstly fixed through the clamping device, then the moving mechanism drives the polishing mechanism to rotate, and the grinding head of the polishing mechanism is positioned in the middle of the pipe, preferably, the grinding head is positioned on the central line of the pipe. Then, the polishing mechanism is driven to rotate through the polishing rotating mechanism, and the grinding head polishes and polishes the inner wall of the pipe in the rotating process of the polishing mechanism. In order to polish and polish all inner walls of the pipe, the moving mechanism drives the polishing mechanism and the polishing rotating mechanism to move in the process that the polishing rotating mechanism drives the polishing mechanism to rotate, so that the inner walls of the pipe are completely polished. The utility model discloses a burnishing machine polishes the pipeline inner wall of tubular product, and polishing effect is good, and polishing efficiency is higher.

2. The polishing mechanism comprises a plurality of grinding rods, and preferably, the polishing mechanism comprises four grinding rods, and each grinding rod is provided with a grinding head. When the polishing machine works, the four pipes can be clamped on the clamping device, and the inner walls of the pipelines of the four pipes are polished by the four grinding heads, so that the polishing efficiency of the polishing machine is further improved.

Drawings

FIG. 1 is a schematic view of the structure of the polishing machine of the present embodiment;

FIG. 2 is another schematic structural diagram of the polishing machine of the present embodiment;

FIG. 3 is a schematic structural diagram of a combination of the polishing mechanism, the moving mechanism and the polishing rotating mechanism of the present embodiment;

FIG. 4 is another schematic structural diagram of the combination of the polishing mechanism, the moving mechanism and the polishing rotating mechanism of the present embodiment;

FIG. 5 is a schematic structural view of the clamping device of the present embodiment;

FIG. 6 is a schematic structural view of a combination of the first clamping mechanism, the second clamping mechanism and the position adjustment mechanism according to the present embodiment;

FIG. 7 is another schematic structural view of the combination of the first clamping mechanism, the second clamping mechanism and the position adjustment mechanism of the present embodiment;

description of reference numerals:

10. a polisher body; 20. a polishing mechanism; 30. a moving mechanism; 40. a polishing rotation mechanism; 50. a clamping device; 31. moving the base; 32. a moving motor; 33. a moving gear; 34. Moving the rack; 35. a linear bearing; 21. grinding a rod; 22. grinding heads; 23. a support frame; 24. A support rail; 25. a support member; 41. rotating the motor; 42. a driving wheel; 43. a driven wheel; 44. a drive belt; 51. a first clamping mechanism; 52. a second clamping mechanism; 53. a position adjustment mechanism; 511. a first clamping assembly; 512. a second clamping assembly; 513. a clamping moving assembly; 511a, a fixed seat; 511b, a clamping wheel; 513a, a cylinder fixing plate; 513b, a clamping moving cylinder; 513c, a movable guide shaft; 54. a clamping adjustment mechanism; 541. a first clamping adjustment assembly; 542. a second clamping adjustment assembly; 531. adjusting a driving cylinder; 532. adjusting the base; 533. a left adjustment bracket; 534. a right adjustment bracket; 535. a connecting shaft; 55. a clamping and rotating mechanism; 551. a clamping rotation drive motor; 552. clamping the main drive assembly; 553. clamping the slave drive assembly; 552a, a first drive gear; 552b, a second drive gear; 552c, a drive chain; 553a, a first driven gear; 553b, a second driven gear.

Detailed Description

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "center", "inner", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

As shown in fig. 1 and 2, the embodiment discloses a multi-axis polishing machine applied to the inner surface treatment of a pipeline, which includes a polishing machine main body 10, and a polishing mechanism 20, a moving mechanism 30, a polishing rotating mechanism 40 and a clamping device 50 which are arranged on the polishing machine main body 10. The polishing mechanism 20 and the polishing rotating mechanism 40 are respectively fixed on the moving mechanism 30, the polishing rotating mechanism 40 is connected with the polishing mechanism 20, the moving mechanism 30 drives the polishing mechanism 20 and the polishing rotating mechanism 40 to move towards the direction close to or away from the clamping device 50, and the polishing rotating mechanism 40 drives the polishing mechanism 20 to rotate.

When the polishing machine is used for polishing the inner wall of the pipeline of the pipe, the pipe is firstly fixed through the clamping device 50, and then the moving mechanism 30 drives the polishing mechanism 20 to rotate, so that the grinding head 22 of the polishing mechanism 20 is positioned in the middle of the pipe, and preferably, the grinding head 22 is positioned on the central line of the pipe. Then, the polishing mechanism 20 is driven to rotate by the polishing rotating mechanism 40, and the grinding head 22 polishes and polishes the inner wall of the pipe during the rotation of the polishing mechanism 20. In order to polish and polish all the inner walls of the pipes, in the process that the polishing rotating mechanism 40 drives the polishing mechanism 20 to rotate, the moving mechanism 30 drives the polishing mechanism 20 and the polishing rotating mechanism 40 to move, so that the inner walls of the pipes are completely polished. This embodiment polishes the pipeline inner wall of tubular product through the burnishing machine, and polishing effect is good, and polishing efficiency is higher.

In order to drive the polishing mechanism 20 and the polishing rotation mechanism 40 to move, as shown in fig. 3, the moving mechanism 30 of the present embodiment includes a moving base 31, a moving motor 32, a moving gear 33, a moving rack 34, and two linear bearings 35. The polishing mechanism 20 and the polishing rotation mechanism 40 are both fixed on the movable base 31, and the movable motor 32 is also fixed on the movable base 31. The two linear bearings 35 are respectively and oppositely arranged on the polishing machine main body 10, and the bottom of the movable base 31 is respectively connected with the two linear bearings 35. The moving rack 34 is fixed between two linear bearings 35, the moving gear 33 is connected with the moving motor 32, and the moving gear 33 is meshed with the moving rack 34.

After the moving mechanism 30 is started, the moving motor 32 drives the moving gear 33 to rotate, and the moving gear 33 is meshed with the moving rack 34, so that the moving base 31 is driven by the moving motor 32, the moving gear 33 and the moving rack 34 to move on the two linear bearings 35, and the polishing mechanism 20 and the polishing rotating mechanism 40 are driven to move.

As shown in fig. 4, the polishing mechanism 20 of the present embodiment includes a plurality of grinding rods 21 and a supporting assembly, and preferably, the polishing mechanism 20 includes four grinding rods 21. One end of each grinding rod 21 is connected with the polishing rotating mechanism 40, the other end of each grinding rod 21 is provided with a grinding head 22, each grinding rod 21 is arranged on a supporting component, and the grinding rods 21 are supported by the supporting components.

In order to support the four grinding rods 21, the support assembly further comprises two support frames 23, a support cross rod 24 and four support pieces 25, the two support frames 23 are arranged oppositely, two ends of the support cross rod 24 are fixed on the two support frames 23 respectively, the four support pieces 25 are fixed on the support cross rod 24 respectively, and the four grinding rods 21 are supported by the four support pieces 25 respectively.

As shown in fig. 3 and 4, the polishing rotating mechanism 40 includes four rotating motors 41, four driving wheels 42, and four driven wheels 43, the four rotating motors 41 are respectively connected to the four driving wheels 42, the four driving wheels 42 are respectively connected to the four driven wheels 43 through transmission belts 44, and the four grinding rods 21 are respectively connected to the four driven wheels 43. After the polishing rotation mechanism 40 is started, the four rotation motors 41 respectively drive the four driving wheels 42 to rotate, and the four driving wheels 42 respectively drive the four driven wheels 43 to rotate through the transmission belts 44. The four driven wheels 43 respectively drive the four grinding rods 21 to rotate in the rotating process, and the four grinding rods 21 respectively drive the four grinding heads 22 to rotate in the rotating process, so that the purpose of grinding and polishing the inner wall of the pipeline is achieved.

As shown in fig. 5, in order to clamp and fix the tube, the clamping device 50 of the present embodiment includes two first clamping mechanisms 51, a second clamping mechanism 52, and a position adjusting mechanism 53. The two first clamping mechanisms 51 are respectively located on two opposite sides of the second clamping mechanism 52, the position adjusting mechanism 53 is connected with the first clamping mechanisms 51 and the second clamping mechanism 52, and the pipe is clamped and fixed through the first clamping mechanisms 51 and the second clamping mechanism 52.

Further, as shown in fig. 6 and 7, each of the first clamping mechanism 51 and the second clamping mechanism 52 includes a first clamping assembly 511, a second clamping assembly 512, and a clamping moving assembly 513. The first clamping assembly 511 is located right above the second clamping assembly 512, the clamping moving assembly 513 is connected to the first clamping assembly 511, and the clamping moving assembly 513 drives the first clamping assembly 511 to move upward or downward relative to the second clamping assembly 512.

In the initial state of the clamping device 50, the first clamping assembly 511 is located right above the second clamping assembly 512, and a certain distance is formed between the first clamping assembly 511 and the second clamping assembly 512. When a pipe needs to be clamped, the pipe is firstly placed on the second clamping assembly 512, and then the clamping moving assembly 513 drives the first clamping assembly 511 to move towards the direction close to the second clamping assembly 512, so that the pipe is clamped between the first clamping assembly 511 and the second clamping assembly 512. After polishing and grinding the tube, the clamping moving assembly 513 drives the first clamping assembly 511 to move above the second clamping assembly 512, and then the tube is removed from the second clamping assembly 512.

In order to further clamp and fix the tube, the first clamping assembly 511 and the second clamping assembly 512 of the present embodiment each include a fixing seat 511a and a plurality of clamping wheels 511b, and the plurality of clamping wheels 511b are movably disposed on the fixing seat 511a respectively. The plurality of pinch wheels 511b of the first gripper assembly 511 correspond to the plurality of pinch wheels 511b of the second gripper assembly 512, and the tubing is gripped between two adjacent pinch wheels 511 b. Since the polishing mechanism 20 includes four grinding rods 21, four tubes can be polished at the same time, and preferably, the first clamping assembly 511 and the second clamping assembly 512 each include five clamping wheels 511b, which can clamp and fix four tubes at the same time.

In order to drive the first clamping assembly 511 to move upwards or downwards, the clamping moving assembly 513 of the present embodiment includes a cylinder fixing plate 513a, a clamping moving cylinder 513b, and two moving guide shafts 513 c. The clamping moving cylinder 513b is fixed on the cylinder fixing plate 513a, the clamping moving cylinder 513b and the two moving guide shafts 513c are respectively connected with the fixing seat 511a of the first clamping assembly 511, and the two moving guide shafts 513c are respectively movably connected with the cylinder fixing plate 513 a. After the clamping moving assembly 513 is started, the clamping moving cylinder 513b drives the fixed seat 511a to move upwards or downwards, so as to drive the clamping wheel 511b fixed on the fixed seat 511a to move.

In order to make the clamping device 50 suitable for clamping and fixing pipes with different length sizes, the clamping device 50 further comprises a clamping adjusting mechanism 54. The clamping adjustment mechanisms 54 are respectively connected with the two first clamping mechanisms 51, and the two first clamping mechanisms 51 can move on the clamping adjustment mechanisms 54 in a direction away from or close to the second clamping mechanism 52.

Preferably, the clamp adjustment mechanism 54 includes a first clamp adjustment assembly 541 and two second clamp adjustment assemblies 542. The first clamping adjustment assembly 541 comprises two first traverse rods arranged oppositely, and the clamping moving assemblies 513 of the two first clamping mechanisms 51 are connected with the two first traverse rods through sliding blocks, so that the position of the clamping moving assembly 513 on the first traverse rods can be adjusted, and further the position of the clamping wheel 511b on the first traverse rods can be adjusted. The second clamping adjustment assembly 542 comprises two second transverse moving rods which are oppositely arranged, and the fixing seats 511a of the second clamping assemblies 512 of the two first clamping mechanisms 51 are connected with the two second transverse moving rods through the sliding blocks, so that the purpose of adjusting the positions of the second clamping assemblies 512 of the first clamping mechanisms 51 is achieved.

In order to make the polishing machine suitable for the use of pipes with different diameters, the position adjusting mechanism 53 of the embodiment includes an adjusting driving cylinder 531, an adjusting bracket assembly and an adjusting base 532, the adjusting driving cylinder 531 is connected with the adjusting bracket assembly, the adjusting bracket assembly is connected with the adjusting base 532, and the adjusting driving cylinder 531 drives the adjusting bracket assembly to move. The three second clamping assemblies 512 of the clamping device 50 are all fixed on the adjusting base 532. In the process that the adjusting driving cylinder 531 drives the adjusting base 532 to move through the adjusting bracket assembly, the adjusting base 532 drives the second clamping assembly 512 arranged on the adjusting base to move.

Preferably, the adjusting bracket assembly comprises a left adjusting bracket 533 and a right adjusting bracket 534, wherein the left adjusting bracket 533 and the right adjusting bracket 534 are formed by hinging two crossed and X-shaped adjusting brackets, the bottom of the adjusting bracket is hinged to the polishing machine main body 10, and the top of the adjusting bracket is fixedly connected to the adjusting base 532. The left adjustment bracket 533 and the right adjustment bracket 534 are connected by a plurality of connecting shafts 535, and the adjustment driving cylinder 531 is connected to one of the connecting shafts 535.

The adjusting driving cylinder 531 drives the connecting shaft 535 to move, the connecting shaft 535 drives the adjusting bracket connected with the connecting shaft 535 to move in the moving process, and the adjusting bracket drives the adjusting base 532 to move upwards or downwards in the moving process, so that the position of the second clamping assembly 512 in the vertical direction is adjusted. The position of the pipe clamped on the second clamping assembly 512 can be adjusted by adjusting the position of the second clamping assembly, so that the central position of the pipe is adjusted.

The clamping device 50 further comprises a clamping rotating mechanism 55, the clamping rotating mechanism 55 is connected with the five clamping wheels 511b of the second clamping assembly 512 of the second clamping mechanism 52, and the clamping rotating mechanism 55 drives the five clamping wheels 511b to rotate.

Further, the clamp rotation mechanism 55 includes a clamp rotation driving motor 551, a clamp main driving unit 552, and a clamp sub driving unit 553. The clamping rotation driving motor 551 is connected with the clamping main driving assembly 552, the clamping rotation driving motor 551 drives the clamping main driving assembly 552 to rotate, the clamping main driving assembly 552 drives the clamping auxiliary driving assembly 553 to rotate, and the clamping auxiliary driving assembly 553 drives the clamping wheel 511b to rotate.

Further, the clamping main driving assembly 552 includes a first driving gear 552a and two second driving gears 552 b. The clamping rotation driving motor 551 is connected to a first driving gear 552a, the first driving gear 552a is connected to a second driving gear 552b through a driving chain 552c, and the second driving gear 552b is connected to another second driving gear 552b through a rotating shaft. The clamping rotation driving motor 551 drives the first driving gear 552a to rotate, the first driving gear 552a drives the second driving gear 552b connected thereto to rotate through the driving chain 552c during the rotation process, and the second driving gear 552b drives the other second driving gear 552b to rotate through the rotating shaft.

The clamping slave driving assembly 553 includes a plurality of first slave gears 553a and a plurality of second slave gears 553b, the plurality of second slave gears 553b are respectively connected to the plurality of clamping wheels 511b through rotation shafts, and the plurality of first slave gears 553a are respectively movably connected to the fixing base 511a through rotation shafts. Preferably, the clamping slave driving assembly 553 comprises three first driven gears 553a, five second driven gears 553b, and the five second driven gears 553b are respectively connected with the five clamping wheels 511b through rotating shafts. The three first driven gears 553a are movably connected to the fixing base 511a through rotation shafts, respectively.

Preferably, two second driving gears 552b are movably disposed between any two adjacent clamp wheels 511b by a rotation shaft, and three first driven gears 553a are movably disposed between the other adjacent clamp wheels 511b by a rotation shaft. The second driving gear 552b is engaged with the second driven gear 553b connected thereto, and the first driven gear 553a is engaged with the first driven gear 553a adjacent thereto.

The second driving gear 552b drives the second driven gears 553b adjacent to the second driving gear 553b on the left and right sides thereof in a rotating process, and the two second driven gears 553b drive the clamp wheel 511b connected thereto to rotate. The two second driven gears 553b rotate and drive the second driven gears 553b adjacent thereto, and so on, thereby driving all the second driven gears 553b to rotate. The second driven gear 553b, which is connected to the pinch wheel 511b, rotates the pinch wheel 511 b.

Clamping wheel 511b can drive the tubular product that is fixed on it to rotate in the process of rotating to under the circumstances of the central centering precision of bistrique 22 and tubular product not enough, make the inner wall polishing of tubular product more even through the rotation of tubular product.

The embodiment of the present invention is not limited to this, according to the above-mentioned content of the present invention, the common technical knowledge and the conventional means in the field are utilized, without departing from the basic technical idea of the present invention, the present invention can also make other modifications, replacements or combinations in various forms, all falling within the protection scope of the present invention.

Claims

1. The utility model provides a be applied to multiaxis formula burnishing machine of pipeline internal surface treatment, its characterized in that, including the burnishing machine main part, and set up in polishing mechanism, moving mechanism, polishing slewing mechanism and clamping device in the burnishing machine main part, polish the mechanism polish slewing mechanism and be fixed in respectively on the moving mechanism, polishing slewing mechanism with it links to each other to polish the mechanism, moving mechanism drives polish the mechanism polish slewing mechanism to being close to or keeping away from clamping device's direction removes, polishing slewing mechanism drives polish the mechanism and rotate.

2. The multi-shaft polishing machine applied to the treatment of the inner surface of the pipeline as claimed in claim 1, wherein the moving mechanism comprises a moving base, a moving motor, a moving gear, a moving rack and two linear bearings, the moving motor is fixed on the moving base, the moving gear is connected with the moving motor, the moving gear is meshed with the moving rack, and the bottom of the moving base is connected with the two linear bearings.

3. The multi-shaft polishing machine for treating the inner surface of the pipeline according to claim 1, wherein the polishing mechanism comprises a plurality of grinding rods and a supporting assembly, one end of each grinding rod is connected with the polishing rotating mechanism, the other end of each grinding rod is provided with a grinding head, and each grinding rod is arranged on the supporting assembly.

4. The multi-axis polishing machine applied to the inner surface treatment of the pipeline as claimed in claim 3, wherein the supporting assembly comprises two supporting frames, a supporting cross bar and a plurality of supporting members, the two supporting frames are oppositely arranged, two ends of the supporting cross bar are respectively fixed on the two supporting frames, the plurality of supporting members are respectively fixed on the supporting cross bar, and the plurality of grinding rods are respectively supported by the plurality of supporting members.

5. The multi-shaft polishing machine for processing the inner surface of the pipeline as claimed in any one of claims 1 to 4, wherein the clamping device comprises two first clamping mechanisms, a second clamping mechanism and a position adjusting mechanism, the two first clamping mechanisms are respectively positioned at two opposite sides of the second clamping mechanism, the position adjusting mechanism is connected with the first clamping mechanism and the second clamping mechanism, and the pipe is clamped and fixed by the first clamping mechanism and the second clamping mechanism.

6. The multi-axis polishing machine applied to the inner surface treatment of the pipeline as claimed in claim 5, wherein the first clamping mechanism and the second clamping mechanism each comprise a first clamping assembly, a second clamping assembly and a clamping moving assembly, the first clamping assembly is positioned right above the second clamping assembly, the clamping moving assembly is connected with the first clamping assembly, and the clamping moving assembly drives the first clamping assembly to move upwards or downwards relative to the second clamping assembly.

7. The multi-axis polishing machine applied to the inner surface treatment of the pipeline as claimed in claim 6, wherein each of the first clamping assembly and the second clamping assembly comprises a fixed seat and a plurality of clamping wheels, the plurality of clamping wheels are movably arranged on the fixed seat respectively, the plurality of clamping wheels of the first clamping assembly correspond to the plurality of clamping wheels of the second clamping assembly, and the pipeline is clamped between two adjacent clamping wheels.

8. The multi-axis polishing machine applied to the inner surface treatment of the pipeline as claimed in claim 7, wherein the clamping device further comprises a clamping rotating mechanism, the clamping rotating mechanism is connected with the plurality of clamping wheels of the second clamping assembly of the second clamping mechanism, and the clamping rotating mechanism drives the plurality of clamping wheels to rotate.

9. The multi-axis polishing machine applied to the inner surface treatment of the pipeline as claimed in claim 8, wherein the clamping rotation mechanism comprises a clamping rotation driving motor, a clamping main driving assembly and a clamping slave driving assembly, the clamping rotation driving motor is connected with the clamping main driving assembly, the clamping rotation driving motor drives the clamping main driving assembly to rotate, the clamping main driving assembly drives the clamping slave driving assembly to rotate, and the clamping slave driving assembly drives the clamping wheels to rotate.

10. The multi-axis polishing machine applied to the treatment of the inner surface of the pipeline, according to claim 5, wherein the position adjusting mechanism comprises an adjusting driving cylinder, an adjusting bracket assembly and an adjusting base, the adjusting driving cylinder is connected with the adjusting bracket assembly, the adjusting bracket assembly is connected with the adjusting base, and the adjusting driving cylinder drives the adjusting bracket assembly to move.