阅读说明：本技术 一种大型石油化工压力容器封头制造抛光机 (Polishing machine for manufacturing large petrochemical pressure vessel end socket ) 是由 黎芳玲 于 2021-10-08 设计创作，主要内容包括：本发明涉及金属材料抛光技术领域,是一种大型石油化工压力容器封头制造抛光机,包括底座、辅助单元与抛光单元,所述底座上设置有辅助单元和抛光单元,辅助单元位于抛光单元正上方。本发明可以解决目前存在的问题：通过工人手持抛光块对封头焊接端面进行抛光处理,容易出现封头焊接端面不平整的问题,而作为压力容器,焊接端面的不平整会导致焊接密封性差,从而增大了石油化工产品出现泄漏的可能性,且通过工人手持抛光块对封头焊接端面进行抛光处理,抛光效率较低,会影响压力容器的生产效率,而且抛光过程中会产生大量的金属粉尘,金属粉尘会对工人的身体造成危害。(The invention relates to the technical field of metal material polishing, in particular to a polishing machine for manufacturing end sockets of large petrochemical pressure vessels. The invention can solve the problems existing at present: polishing the head welding end face through the handheld polishing block of workman, the problem of head welding end face unevenness appears easily, and as pressure vessel, the unevenness of welding end face can lead to welding leakproofness poor, thereby the possibility of leakage has appeared in the petrochemical product has been increased, and polish the processing to head welding end face through the handheld polishing block of workman, polishing efficiency is lower, can influence pressure vessel's production efficiency, and can produce a large amount of metal dust among the polishing process, the metal dust can cause harm to workman's health.)

1. The utility model provides a burnishing machine is made to large-scale petrochemical pressure vessel head, includes base (1), auxiliary unit (2) and polishing unit (3), its characterized in that: the base (1) is provided with an auxiliary unit (2) and a polishing unit (3), and the auxiliary unit (2) is positioned right above the polishing unit (3); wherein:

the auxiliary unit (2) comprises auxiliary support plates (20), auxiliary sliding rails (21), auxiliary sliding blocks (22), auxiliary cylinders (23), clamping branched chains (24) and auxiliary connecting rods (25), the auxiliary support plates (20) are arranged on the upper surface of the base (1) in a bilateral symmetry mode, the auxiliary sliding rails (21) are arranged between the upper ends of the two auxiliary support plates (20) together, the auxiliary sliding blocks (22) are arranged in the auxiliary sliding rails (21) in a bilateral symmetry mode in a sliding mode, the bidirectional auxiliary cylinders (23) are arranged in the middle of the auxiliary sliding rails (21), the auxiliary sliding blocks (22) are connected with the output ends of the auxiliary cylinders (23), the clamping branched chains (24) are arranged right below the middle of the auxiliary sliding rails (21), and the auxiliary connecting rods (25) are hinged between the auxiliary sliding blocks (22) and the clamping branched chains (24) together;

the polishing unit (3) comprises a polishing support (30), a polishing slide rail (31), a polishing slide block (32), a polishing branch chain (33), a polishing motor (34), a polishing support (35) and a polishing pressing channel (36), the polishing support (30) is arranged in the middle of the upper surface of the base (1), the polishing support (30) is of a cross structure, the polishing slide rail (31) is arranged on each branch of the polishing support (30), the polishing slide block (32) is arranged on the polishing slide rail (31) in a sliding manner, the polishing branch chain (33) is arranged on the polishing slide block (32), the polishing motor (34) is arranged in the middle of the upper surface of the polishing support (30), the polishing support (35) is installed at the output end of the polishing motor (34), the polishing support (35) is of a cross structure, and the polishing pressing channel (36) is arranged at one end, far away from the polishing motor (34), of each branch of the polishing support (35), the polishing branched chain (33) is connected with the polishing pressure channel (36) in a sliding way.

2. The large petrochemical pressure vessel head manufacturing and polishing machine according to claim 1, characterized in that: the clamping branched chain (24) comprises a clamping support (240), a clamping motor (241), a clamping shaft rod (242), a clamping pressing block (243), a clamping support plate (244), a clamping support rod (245) and a clamping ejecting block (246), wherein the clamping motor (241) is arranged in the middle of the clamping support (240), the clamping shaft rod (242) is installed at the output end of the clamping motor (241), the clamping shaft rod (242) is of an elastic telescopic structure, the clamping support (240) is rotatably connected with the clamping shaft rod (242), the clamping pressing block (243) is fixedly installed at the lower end of the clamping shaft rod (242), the clamping support plate (244) is jointly arranged between the two auxiliary support plates (20), the clamping support plate (244) is arranged in the middle of the upper surface of the clamping support plate (244), the clamping support rod (245) is of an elastic telescopic structure, and the clamping ejecting block (246) is rotatably installed at the upper end of the clamping support rod (245).

3. The large petrochemical pressure vessel head manufacturing and polishing machine according to claim 1, characterized in that: the included angle between the polishing slide rail (31) and the polishing pressing channel (36) is 45 degrees.

4. The large petrochemical pressure vessel head manufacturing and polishing machine according to claim 1, characterized in that: polishing branch chain (33) are including polishing slide bar (330), polishing slide (331), polishing prop piece (332), driving motor (333) and polishing wheel (334), fixed mounting has polishing slide bar (330) on polishing slider (32), polishing press way (36) and polishing slide bar (330) sliding connection, polishing slide bar (330) upper end is provided with vertical polishing slide (331), it is provided with polishing prop piece (332) to slide in polishing slide (331), and be connected with supporting spring between polishing slide (331) bottom and the polishing prop piece (332) lower surface, install driving motor (333) on the polishing prop piece (332), polishing wheel (334) are installed to driving motor (333) output.

5. The large petrochemical pressure vessel head manufacturing and polishing machine according to claim 2, characterized in that: centre gripping support (240) lower surface evenly is provided with four auxiliary branch pole (2400), and four auxiliary branch pole (2400) are the square and arrange, rotates jointly between adjacent auxiliary branch pole (2400) lower extreme and is provided with auxiliary gear (2401), auxiliary gear (2401) are incomplete gear structure, rotate on centre gripping axostylus axostyle (242) and install auxiliary pillar (2402), auxiliary pillar (2402) are the quadrangular structure, all are provided with auxiliary rack (2403) on four sides of auxiliary pillar (2402), and auxiliary gear (2401) and auxiliary rack (2403) mesh mutually, and it has auxiliary round pole (2404) and the two junction to articulate on auxiliary gear (2401) is provided with the torsional spring, rotates on auxiliary round pole (2404) and is provided with auxiliary roller (2405).

6. The large petrochemical pressure vessel head manufacturing and polishing machine according to claim 2, characterized in that: the lower surface of the clamping pressing block (243) is provided with a rubber pad, and the lower end of the rubber pad is full of anti-skid grains.

7. The large petrochemical pressure vessel head manufacturing and polishing machine according to claim 2, characterized in that: the clamping jacking block (246) is made of rubber materials and is internally provided with a cavity.

8. The large petrochemical pressure vessel head manufacturing and polishing machine according to claim 4, wherein the polishing machine comprises: the section of the polishing wheel (334) is in an I-shaped structure.

Technical Field

The invention relates to the technical field of metal material polishing, in particular to a polishing machine for manufacturing end sockets of large petrochemical pressure vessels.

Background

The pressure container is a closed device which contains gas or liquid and bears certain pressure. The pressure container has wide application range, and has important position and function in many departments of industry, civil use, military industry and the like and many fields of scientific research. The pressure vessel is mainly used for heat transfer, mass transfer, reaction and other processes, and for storing and transporting gas or liquefied gas under pressure in the field of petrochemical industry.

The pressure container generally comprises a shell consisting of a cylinder body, a seal head, a flange, a sealing element, a connecting pipe and a support. The head can have the problem of remaining metal fillings or appearing the unevenness after stamping forming, need get rid of the metal fillings through polishing treatment to polish the place of unevenness and level, with the welding effect when improving head and barrel welding.

The utility model discloses a utility model patent application number CN201620771614.4 discloses a hand-held type stereoplasm polishing block, and this hand-held type stereoplasm polishing block simple structure can select suitable polishing block according to the surface shape of treating the polishing object to can cool off and get rid of the powder polishing surface effectively at the polishing in-process, thereby improve polishing quality.

However, when the polishing block is used for polishing the welding end face of the end socket of the large petrochemical pressure vessel, the following problems exist: the polishing block is held by a worker to polish the end face of the end socket welding, the problem that the end face of the end socket welding is not flat easily occurs, and the end socket welding is poor in welding tightness due to the fact that the end socket welding is not flat when the polishing block is used as a pressure container, so that the possibility of leakage of petrochemical products is increased.

Secondly, polishing the welding end face of the end socket by a worker holding the polishing block, wherein the polishing efficiency is low, the production efficiency of the pressure container is affected, a large amount of metal dust is generated in the polishing process, and the metal dust can harm the body of the worker.

Disclosure of Invention

The invention aims to provide a polishing machine for manufacturing end sockets of large petrochemical pressure vessels, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a burnishing machine is made to large-scale petrochemical pressure vessel head, includes base, auxiliary unit and polishing unit, be provided with auxiliary unit and polishing unit on the base, the auxiliary unit is located directly over the polishing unit.

The auxiliary unit comprises auxiliary support plates, auxiliary slide rails, auxiliary sliding blocks, auxiliary air cylinders, clamping branch chains and auxiliary connecting rods, the auxiliary support plates are symmetrically arranged on the left and right sides of the upper surface of the base, the auxiliary slide rails are arranged between the upper ends of the two auxiliary support plates, the auxiliary sliding blocks are symmetrically arranged in the auxiliary slide rails in a sliding mode, the two-way auxiliary air cylinders are arranged in the middle of the auxiliary slide rails, the auxiliary sliding blocks are connected with the output ends of the auxiliary air cylinders, the clamping branch chains are arranged right below the middle of the auxiliary slide rails, and the auxiliary connecting rods are hinged between the auxiliary sliding blocks and the clamping branch chains.

The polishing unit is including polishing support, polishing slide rail, polishing slider, polishing branch chain, polishing motor, polishing support, pressing the way with the polishing, and base upper surface middle part is provided with the polishing support, the polishing support is cross structure, all is provided with the polishing slide rail on every branch of polishing support, and it is provided with the polishing slider to slide on the polishing slide rail, is provided with the polishing branch chain on the polishing slider, and polishing support upper surface middle part is provided with the polishing motor, and the polishing support is installed to the polishing motor output, the polishing support is cross structure, and the one end that polishing motor was kept away from in every branch of polishing support all is provided with the polishing and presses the way, polishing branch chain and polishing and pressing way sliding connection.

As a further scheme of the invention: the clamping branch chain comprises a clamping support, a clamping motor, a clamping shaft rod, a clamping pressing block, a clamping support plate, a clamping support rod and a clamping ejecting block, wherein the clamping motor is arranged in the middle of the clamping support, the clamping shaft rod is installed at the output end of the clamping motor, the clamping shaft rod is of an elastic telescopic structure, the clamping support is rotatably connected with the clamping shaft rod, the clamping pressing block is fixedly installed at the lower end of the clamping shaft rod, the clamping support plate is jointly arranged between the two auxiliary support plates, the clamping support plate is arranged in the middle of the upper surface of the clamping support plate, the clamping support rod is of an elastic telescopic structure, and the clamping ejecting block is rotatably installed at the upper end of the clamping support rod.

As a further scheme of the invention: and the included angle between the polishing slide rail and the polishing pressing channel is 45 degrees.

As a further scheme of the invention: polishing branch chain is including polishing slide bar, polishing slide, polishing piece, driving motor and throwing aureola, and fixed mounting has the polishing slide bar on the polishing slider, and polishing pressure is said and is polished slide bar sliding connection, and polishing slide bar upper end is provided with vertical polishing slide, and it is provided with a polishing piece to slide in the polishing slide, and is connected with supporting spring between polishing slide bottom and the polishing piece lower surface, installs driving motor on the polishing piece, and the aureola is installed to the driving motor output.

As a further scheme of the invention: the utility model discloses a clamping support, including centre gripping support, auxiliary gear, auxiliary shaft pole, auxiliary gear and auxiliary rack, the centre gripping support lower surface evenly is provided with four auxiliary branch, and four auxiliary branch are the square and arrange, rotate jointly between the adjacent auxiliary branch lower extreme and are provided with auxiliary gear, auxiliary gear is incomplete gear structure, rotates on the centre gripping axostylus axostyle and installs auxiliary pillar, auxiliary pillar is the quadrangular structure, all is provided with auxiliary rack on four sides of auxiliary pillar, and auxiliary gear meshes with auxiliary rack mutually, and articulated on the auxiliary gear have supplementary round bar and the two junction is provided with the torsional spring, rotates on the supplementary round bar and is provided with the helper roll.

As a further scheme of the invention: the lower surface of the clamping pressing block is provided with a rubber pad, and anti-skid lines are distributed at the lower end of the rubber pad.

As a further scheme of the invention: the clamping top block is made of rubber materials and is internally provided with a cavity.

As a further scheme of the invention: the cross section of the polishing wheel is of an I-shaped structure.

Compared with the prior art, the invention has the following advantages: 1. the auxiliary unit is used for clamping and fixing the seal head, so that the welding end face of the seal head can be kept stable in the polishing process of the polishing unit, and the welding end face of the seal head can be polished to be smoother.

2. The welding end face of the end socket is polished by the driving motors in the polishing unit, and the inner side and the outer side of the welding end face of the end socket can be polished by the structural characteristics of the polishing wheel, so that the polishing efficiency of the welding end face of the end socket can be improved, metal scraps at the edge of the welding end face of the end socket can be completely treated, and the welding effect cannot be influenced by the metal scraps when the end socket is welded with the barrel.

3. Through the cooperation of auxiliary unit and polishing unit use, can realize carrying out automatic polishing treatment's function to head welding terminal surface, avoid the workman to contact the metal dust that the polishing produced and cause the problem appearance of health harm.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a perspective view of the present invention from a first perspective;

FIG. 2 is a perspective view of the present invention from a second perspective;

FIG. 3 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 4 is a schematic perspective view of a portion of a clamping arm according to the present invention;

FIG. 5 is a perspective view of the polishing wheel of the present invention;

FIG. 6 is an enlarged schematic view of FIG. 3 at A in accordance with the present invention;

fig. 7 is a schematic perspective view of a pressure vessel closure.

In the figure: 1. a base; 2. an auxiliary unit; 20. an auxiliary support plate; 21. an auxiliary slide rail; 22. an auxiliary slide block; 23. an auxiliary cylinder; 24. clamping the branched chain; 240. clamping the support; 2400. an auxiliary strut; 2401. an auxiliary gear; 2402. an auxiliary strut; 2403. an auxiliary rack; 2404. an auxiliary round bar; 2405. an auxiliary roller; 241. a clamping motor; 242. clamping the shaft lever; 243. clamping a pressing block; 244. clamping the support plate; 245. clamping the stay bar; 246. clamping the jacking block; 25. an auxiliary link; 3. a polishing unit; 30. polishing the support; 31. polishing the slide rail; 32. polishing the slide block; 33. polishing the branched chain; 330. polishing the slide bar; 331. polishing the slideway; 332. polishing the supporting block; 333. a drive motor; 334. a polishing wheel; 34. polishing the motor; 35. polishing the support; 36. polishing the pressing channel; 4. and (5) sealing the head.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

Referring to fig. 1, the polishing machine for manufacturing the end socket of the large petrochemical pressure vessel comprises a base 1, an auxiliary unit 2 and a polishing unit 3, wherein the auxiliary unit 2 and the polishing unit 3 are arranged on the base 1, and the auxiliary unit 2 is located right above the polishing unit 3.

Referring to fig. 2 to 4, the auxiliary unit 2 includes auxiliary support plates 20, auxiliary slide rails 21, auxiliary sliders 22, auxiliary cylinders 23, clamping branched chains 24 and auxiliary connecting rods 25, the auxiliary support plates 20 are symmetrically arranged on the upper surface of the base 1 in the left-right direction, the auxiliary slide rails 21 are arranged between the upper ends of the two auxiliary support plates 20, the auxiliary sliders 22 are symmetrically arranged in the auxiliary slide rails 21 in the left-right direction, the bidirectional auxiliary cylinders 23 are arranged in the middle of the auxiliary slide rails 21, the auxiliary sliders 22 are connected with the output ends of the auxiliary cylinders 23, the clamping branched chains 24 are arranged right below the middle of the auxiliary slide rails 21, and the auxiliary connecting rods 25 are hinged between the auxiliary sliders 22 and the clamping branched chains 24.

Referring to fig. 2, 3, 4 and 6, the clamping branched chain 24 includes a clamping support 240, a clamping motor 241, a clamping shaft 242, a clamping press 243, a clamping support plate 244, a clamping support 245 and a clamping top block 246, the clamping motor 241 is disposed in the middle of the clamping support 240, the clamping shaft 242 is mounted at the output end of the clamping motor 241, the clamping shaft lever 242 is an elastic telescopic structure, the clamping support 240 is rotatably connected with the clamping shaft lever 242, a clamping pressing block 243 is fixedly arranged at the lower end of the clamping shaft lever 242, the lower surface of the clamping pressing block 243 is provided with a rubber pad, the lower end of the rubber pad is fully distributed with anti-skid lines, a clamping support plate 244 is jointly arranged between the lower parts of the two auxiliary support plates 20, the middle part of the upper surface of the clamping support plate 244 is provided with a clamping support rod 245, the clamping stay bar 245 is of an elastic telescopic structure, a clamping jacking block 246 is rotatably mounted at the upper end of the clamping stay bar 245, and the clamping jacking block 246 is made of rubber materials and is internally provided with a cavity.

Referring to fig. 3, 4 and 6, the lower surface of the clamping support 240 is uniformly provided with four auxiliary supporting rods 2400, and the four auxiliary supporting rods 2400 are arranged in a square shape, the lower ends of the adjacent auxiliary supporting rods 2400 are jointly rotated to be provided with an auxiliary gear 2401, the auxiliary gear 2401 is of an incomplete gear structure, the clamping shaft 242 is rotatably provided with an auxiliary strut 2402, the auxiliary strut 2402 is of a quadrangular structure, four side surfaces of the auxiliary strut 2402 are respectively provided with an auxiliary rack 2403, the auxiliary gear 2401 is meshed with the auxiliary rack 2403, the auxiliary gear 2401 is hinged to an auxiliary round rod 2404, the joint of the auxiliary round rod 2404 and the auxiliary round rod 2404 is provided with a torsion spring, and the auxiliary round rod 2404 is rotatably provided with an auxiliary roller 2405.

Specifically, during the initial state, the distance between the two auxiliary sliding blocks 22 is the farthest, then the end socket 4 is placed on the clamping top block 246 with the opening facing downward, then the auxiliary cylinder 23 is started, the auxiliary cylinder 23 contracts to drive the two auxiliary sliding blocks 22 to approach each other in the auxiliary sliding rail 21, when the two auxiliary sliding blocks 22 approach each other, the auxiliary connecting rod 25 pushes the clamping support 240 to move downward, so that the clamping pressing block 243 gradually contacts with the upper surface of the end socket 4, when the clamping pressing block 243 contacts and starts to press down the end socket 4, the clamping shaft 242 is squeezed, when the clamping shaft 242 contracts, the auxiliary rack 2403 on the auxiliary support 2402 moves upward, the auxiliary rack 2403 drives the auxiliary gear 2401 to rotate through the tooth meshing transmission, so that the auxiliary gear 2401 drives the auxiliary roller 2405 to support the upper surface of the end socket 4 through the auxiliary circular rod 2404, therefore, the end enclosure 4 is clamped and fixed under the combined action of the clamping pressing block 243, the clamping top block 246 and the auxiliary roller 2405, and the position of the end enclosure 4 is calibrated by matching with the polishing unit 3 in the process that the end enclosure 4 is pressed by the clamping pressing block 243, so that the welding end face of the end enclosure 4 can be in a horizontal state.

Secondly, the clamping motor 241 is started, the clamping motor 241 drives the clamping pressing block 243 to rotate through the clamping shaft rod 242 during working, the anti-skid lines on the lower surface of the clamping pressing block 243 play a role in skid resistance, and therefore the clamping pressing block 243 drives the end socket 4 to rotate together, and therefore the polishing unit 3 can polish the welding end face of the end socket 4 in the driven process of the end socket 4.

Referring to fig. 2, 3 and 5, the polishing unit 3 includes a polishing support 30, a polishing slide rail 31, a polishing slide block 32, a polishing branch chain 33, a polishing motor 34, a polishing support 35 and a polishing pressure channel 36, the polishing support 30 is disposed at the middle of the upper surface of the base 1, the polishing support 30 is in a cross structure, each branch of the polishing support 30 is provided with a polishing slide rail 31, a polishing slide block 32 is arranged on each polishing slide rail 31 in a sliding manner, a polishing branch chain 33 is arranged on each polishing slide block 32, a polishing motor 34 is arranged in the middle of the upper surface of the polishing support 30, a polishing support 35 is arranged at the output end of each polishing motor 34, the polishing support 35 is in a cross structure, and each branch of the polishing bracket 35 is provided with a polishing pressure channel 36 at one end away from the polishing motor 34, the included angle between the polishing slide rail 31 and the polishing pressing channel 36 is 45 degrees, and the polishing branch chain 33 is in sliding connection with the polishing pressing channel 36.

Referring to fig. 2 and 3, the polishing branch 33 includes a polishing slide bar 330, a polishing slide rail 331, a polishing support block 332, a driving motor 333 and a polishing wheel 334, the polishing slide bar 330 is fixedly mounted on the polishing slide block 32, the polishing slide rail 36 is slidably connected with the polishing slide bar 330, the upper end of the polishing slide bar 330 is provided with a vertical polishing slide rail 331, the polishing slide rail 331 is slidably provided with the polishing support block 332, a support spring is connected between the bottom end of the polishing slide rail 331 and the lower surface of the polishing support block 332, the polishing support block 332 is mounted with the driving motor 333, the output end of the driving motor 333 is mounted with the polishing wheel 334, and the section of the polishing wheel 334 is in an i-shaped structure.

During the operation, when the end socket 4 is placed on the clamping top block 246, the polishing motor 34 is started to drive the polishing support 35 to rotate, then the polishing pressing channel 36 rotates along with the polishing pressing channel, the inner wall of the polishing pressing channel 36 can generate a squeezing effect on the polishing sliding rod 330, so that the polishing sliding rod 330 drives the polishing sliding block 32 to slide on the polishing sliding rail 31, and the function of adjusting the polishing wheel 334 is realized, so that the welding end face of the end socket 4 can be in contact with the polishing wheel 334 in the process that the end socket 4 is pressed down by the clamping pressing block 243, because the polishing wheel 334 is in the same horizontal position, the position of the end socket 4 can be calibrated in the contact process between the end socket 4 and the polishing wheel 334, so that the welding end face of the end socket 4 can be in the horizontal state, and then when the end socket 4 is pressed down by the clamping pressing block 243, the welding end face of the polishing wheel 334 and the end socket 4 can be gradually attached tightly, so that the driving motor 333 drives the polishing wheel 334 to polish the welding end face of the end socket 4, when the polishing motor 34 rotates in the forward and reverse directions, the polishing pressure channel 36 can extrude the polishing slide bar 330 in different directions, so that when the polishing slide block 32 moves in the forward and reverse directions on the polishing slide rail 31, the polishing wheel 334 can polish the inner side and the outer side of the welding end face of the end socket 4.

The working principle of the invention is as follows: s1, in the initial state, the two auxiliary sliding blocks 22 are farthest away from each other in the auxiliary sliding rail 21, after the end socket 4 is placed on the clamping top block 246 with the opening facing downward, the polishing motor 34 is started to drive the polishing bracket 35 to rotate, then the polishing pressure channel 36 rotates, the inner wall of the polishing pressure channel 36 generates a squeezing action on the polishing sliding rod 330, so that the polishing sliding rod 330 slides on the polishing sliding rail 31 through the polishing sliding block 32 to adjust the position of the polishing wheel 334, then the auxiliary cylinder 23 is started, the auxiliary cylinder 23 contracts to drive the two auxiliary sliding blocks 22 to approach each other in the auxiliary sliding rail 21, when the two auxiliary sliding blocks 22 approach each other, the clamping support 240 is pushed by the auxiliary connecting rod 25 to move downward, so that the clamping pressure block 243 gradually contacts with the upper surface of the end socket 4, and when the clamping pressure block 243 contacts and starts to press the end socket 4, the clamping shaft 242 is squeezed, when the clamping shaft lever 242 is contracted, the auxiliary rack 2403 on the auxiliary strut 2402 moves upwards, and the auxiliary rack 2403 drives the auxiliary gear 2401 to rotate through tooth meshing transmission, so that the auxiliary gear 2401 drives the auxiliary roller 2405 to support the upper surface of the end enclosure 4 through the auxiliary round rod 2404, and the end enclosure 4 is clamped and fixed under the combined action of the clamping pressing block 243, the clamping top block 246 and the auxiliary roller 2405.

S2, the clamping motor 241 is started, the clamping motor 241 drives the clamping pressing block 243 to rotate through the clamping shaft rod 242 when working, the clamping pressing block 243 drives the end socket 4 to rotate when rotating, in this way, the driving motor 333 drives the polishing wheel 334 to polish the welding end face of the end socket 4 in the rotating process of the end socket 4, when the polishing motor 34 rotates forwards and backwards, the polishing pressing channel 36 can extrude the polishing sliding rod 330 in different directions, and therefore when the polishing sliding block 32 moves forwards and backwards on the polishing sliding rail 31, the polishing wheel 334 can polish the inner side and the outer side of the welding end face of the end socket 4.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.