CN216608347U - Surface treatment device for metal pipe after internal high-pressure forming - Google Patents

Abstract

The utility model discloses a surface treatment device after internal high-pressure forming of a metal pipe, which comprises an equipment box body and a metal pipe body, the right end of the metal pipe body is inserted in the inner cavity of the equipment box body, the top of the equipment box body close to the left side is provided with an observation port, the equipment has higher clamping firmness through the mutual matching of all the parts, and the surface of the metal pipe body can be uniformly polished when the equipment is polished, so that the polishing effect is better, and the polishing condition inside can be known through the observation of the toughened glass in the polishing process, and the polishing is more controllable through manually adjusting the manual rod, and the equipment has the effect of treating and absorbing internal polishing fragments after polishing, so that the condition that dust and fragments fly in disorder in the polishing process is avoided, and the guarantee for workers is greatly improved.

Description

Surface treatment device for metal pipe after internal high-pressure forming

Technical Field

The utility model relates to the technical field of metal pipe processing, in particular to a surface treatment device for a metal pipe after internal high-pressure forming.

Background

The surface treatment is a process method for artificially forming a surface layer with mechanical, physical and chemical properties different from those of a substrate on the surface of a substrate material.

The purpose of the surface treatment is to meet the requirements of corrosion resistance, wear resistance, decoration or other special functions of the product. For metal castings, mechanical polishing, chemical treatment, surface heat treatment and surface spraying are common surface treatment methods, and the surface treatment is to clean, deburr, remove oil stains, remove oxide scales and the like on the surface of a workpiece.

Among the prior art, operate very troublesome in the surface treatment process behind the high pressure shaping in the metal tubular product, surface treatment can not carry out the stable centre gripping of efficient to the metal tubular product when polishing, and the degree of consistency of the face of polishing is poor, and the metal piece and the dust of the in-process of polishing fly upward everywhere, seriously influence staff's healthy, and the treatment effeciency is very low, so we provide a surface treatment device behind the high pressure shaping in the metal tubular product and are used for solving above problem.

Disclosure of Invention

In order to overcome the defects in the prior art, one of the purposes of the utility model is to provide a surface treatment device after high-pressure forming in a metal pipe.

One of the purposes of the utility model is realized by adopting the following technical scheme:

a surface treatment device for a metal pipe after internal high-pressure forming comprises an equipment box body and a metal pipe body, wherein the right end of the metal pipe body is inserted into an inner cavity of the equipment box body, a viewing port is formed in the position, close to the left side, of the top of the equipment box body, an opening and closing cover is hinged to the position, close to the top, of the left side of the equipment box body, a clamping mechanism is arranged on the position, close to the top, of the right side of the opening and closing cover, a first through hole is formed in the position, close to the center, of the left side of the opening and closing cover, a push rod penetrates through the inner cavity of the first through hole, second through holes are formed in the positions, close to the top and the bottom, of the left side of the opening and closing cover, limiting through rods penetrate through the inner cavities of the two second through holes, limiting blocks are fixedly connected to the right ends of the two limiting through rods, a movable frame is fixedly connected to the left ends of the two limiting through rods, a first bearing is fixedly connected to the right side of the movable frame, the right end of the push rod is provided with a clamping mechanism, the right side of the equipment box body is fixedly connected with a supporting flat plate near the top, the top of the supporting flat plate is fixedly connected with a motor, a power output shaft of the motor is fixedly connected with a power rod, the bottom of the equipment box body is fixedly connected with a side plate near the right side, the bottoms of the side plate and the right side of the equipment box body are fixedly connected with second bearings, the inner cavities of the two second bearings commonly penetrate through a second rotating rod, the bottom of the equipment box body is provided with an opening, the bottom of the inner cavity of the equipment box body is fixedly connected with a cross rod, the center of the cross rod is fixedly connected with a third bearing, the inner cavity of the third bearing penetrates through a first rotating rod, the top end of the first rotating rod is fixedly connected with a rotating shaft, and the outer edge of the rotating shaft is fixedly connected with a plurality of fan blades, the fan blades are arranged in an annular array shape by taking the center of a rotating shaft as a central shaft, the left end of the second rotating rod and the bottom end of the first rotating rod are fixedly connected with conical gears, the two conical gears are arranged in a mutually meshed manner, the right end of the second rotating rod and the outer edge of the power rod close to the right end are fixedly connected with grooved wheels, a belt is arranged between the adjacent grooved wheels, the adjacent grooved wheels are connected through belt transmission, the left side of the supporting flat plate is provided with a rectangular through groove, the belt penetrates through the inner cavity of the rectangular through groove, a channel pipe is fixedly connected with the embedded part of the equipment box body close to the top, the outer edge of the channel pipe is provided with a plurality of sliding openings, the inner cavities of the plurality of sliding openings are fixedly connected with cross bars, the inner cavities of the adjacent sliding openings are provided with L-shaped rods in a penetrating manner, and the adjacent parts of the L-shaped rods close to the center are provided with third through holes, the horizontal bar runs through the inner cavity of the adjacent third through hole, and is adjacent the equal fixedly connected with fourth bearing of one end that the L-shaped rod is close to metal pipe body center department, and is adjacent the inner cavity of fourth bearing is pegged graft jointly and is had the rotation strip, and is adjacent the outside edge of rotation strip is close to center department and all is equipped with the grinding roller, a plurality of the grinding roller is laminated the setting each other with the outside edge of metal pipe body jointly, and is adjacent the right-hand member of rotation strip and the outside edge of power rod are close to the equal fixedly connected with linkage gear of left end department, and is adjacent intermeshing sets up between the linkage gear, the left end fixedly connected with stop plug of power rod, the left side department of stop plug is pegged graft at the right-hand member opening inner cavity of metal pipe body.

Furthermore, the inner cavity of the observation port is fixedly connected with toughened glass, a strip-shaped port is formed in the position, close to the center, of the top of the equipment box body, a manual rod penetrates through the inner cavity of the strip-shaped port, a connecting block is fixedly connected to the bottom end of the manual rod, and the bottom of the connecting block is fixedly connected with the top of the movable tube.

Furthermore, the cross section of the cover that opens and shuts is the arc setting, just the arc setting opening of the cover that opens and shuts faces the right, the left side of the cover that opens and shuts is close to top department fixedly connected with handle.

Furthermore, the left end of catch bar is pegged graft in the inner chamber of first bearing, the common fixedly connected with of left side department of movable frame and the cover that opens and shuts has two second springs, two the second spring uses the center of catch bar to be symmetry setting from top to bottom as the symmetry axis.

Further, the clamping mechanism includes the stripper bar, the top of equipment box is close to left side department and has seted up first through-hole, the stripper bar runs through the inner chamber and the fixedly connected with contact piece of first through-hole, the top fixedly connected with button of stripper bar, the top of button and equipment box is close to two fifth springs of fixedly connected with between the left side department, the left side of equipment box is close to top department and has seted up the inserting groove, the right side that opens and shuts the cover is close to top department and pegs graft at the inner chamber of inserting groove, just the top that opens and shuts the cover is close to right side department and sets up flutedly, two third springs of inner chamber fixedly connected with of recess, two the common fixedly connected with joint piece in top of third spring, the top department of joint piece pegs graft in the inner chamber bottom department of first through-hole.

Further, the clamping mechanism comprises a movable clamping block, the right side of the movable clamping block is inserted into an inner cavity of an opening at the left end of the metal pipe body, a second through hole is formed in the center of the movable clamping block, a bar penetrates through the inner cavity of the second through hole, a gasket is fixedly connected to the left end of the bar, the left side of the gasket is fixedly connected with the right end of the pushing rod, two fourth springs are fixedly connected between the right side of the gasket and the movable clamping block together, a limiting ring is sleeved on the outer edge of the right end of the bar, two first linkage rods are hinged to the right end of the bar, rubber clamping pads are hinged to the ends, away from the first linkage rods, of the two rubber clamping pads are attached to the side wall of the inner cavity of the metal pipe body, and a second linkage rod is hinged to the side, close to the two rubber clamping pads, and two adjacent second linkage rods are hinged with a fixing strip at one end close to each other, and the left ends of the fixing strips are fixedly connected with the right side of the movable clamping block together.

Further, the inner chamber of equipment box is close to bottom fixedly connected with bottom fixed plate, a plurality of rectangle feed opening has been seted up on the fixed plate of bottom, just two first springs of common fixedly connected with between the bottom of fixed plate of bottom and movable tube department, two first spring uses the center of movable tube to be the bilateral symmetry setting as the symmetry axis.

Compared with the prior art, the utility model has the beneficial effects that:

through mutually supporting between each part, make this equipment have higher centre gripping fastness, and equipment when polishing, can evenly polish metal tubular product body surface, it is better to make the effect of polishing, and the observation of accessible toughened glass at the in-process of polishing, understand the inside condition of polishing, and adjust the handle bar through manual, it is more controllable to make to polish, and has the effect of handling the absorption to the inside piece of polishing after the equipment is polished and is accomplished, the dust that has avoided the in-process of polishing to appear and the condition that the piece flies in disorder appear, the guarantee to the staff has been improved greatly.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following preferred embodiments are described in detail with reference to the accompanying drawings.

Drawings

FIG. 1 is a perspective view of the present embodiment;

FIG. 2 is a front view of the present embodiment;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is an enlarged view of FIG. 2 at B;

fig. 5 is a partial right sectional view of the component passage tube and the movable tube of the present embodiment.

In the figure: 1. an equipment box body; 2. a bottom fixing plate; 3. a first rotating lever; 4. a bevel gear; 5. a second rotating rod; 6. a side plate; 7. a belt; 8. a first spring; 9. a motor; 10. a linkage gear; 11. a limiting plug; 12. grinding a roller; 13. a passage tube; 14. a movable tube; 15. a manual lever; 16. tempering the glass; 17. an opening and closing cover; 18. a movable frame; 19. a push rod; 20. a second spring; 21. a limiting block; 22. a button; 23. an extrusion stem; 24. a contact block; 25. a clamping block; 26. a third spring; 27. a movable clamping block; 28. a fourth spring; 29. a bar; 30. a first linkage rod; 31. a fixing strip; 32. a rubber clamping pad; 33. a metal tubing body; 34. limiting a penetrating rod; 35. a cross bar; 36. an L-shaped rod; 37. rotating the strip; 38. a fifth spring; 39. a second linkage rod; 40. a clamping mechanism; 41. a clamping mechanism.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 5, a surface treatment device after high pressure forming in a metal pipe comprises an equipment box 1 and a metal pipe body 33, wherein a bottom fixing plate 2 is fixedly connected to a position, close to the bottom, of an inner cavity of the equipment box 1, a plurality of rectangular feed openings are formed in the bottom fixing plate 2, two first springs 8 are fixedly connected between the bottom fixing plate 2 and the bottom of a movable pipe 14, the two first springs 8 are symmetrically arranged in a left-right manner by taking the center of the movable pipe 14 as a symmetry axis, the right end of the metal pipe body 33 is inserted into the inner cavity of the equipment box 1, an observation opening is formed in a position, close to the left side, of the top of the equipment box 1, toughened glass 16 is fixedly connected to the inner cavity of the observation opening, a bar-shaped opening is formed in a position, close to the center, a manual rod 15 penetrates through the inner cavity of the bar-shaped opening, a connecting block is fixedly connected to the bottom end of the manual rod 15, and the bottom of the connecting block is fixedly connected to the top of the movable pipe 14, an opening and closing cover 17 is hinged to the left side of the equipment box body 1 close to the top, the cross section of the opening and closing cover 17 is in an arc shape, the opening of the arc shape of the opening and closing cover 17 faces to the right, a handle is fixedly connected to the left side of the opening and closing cover 17 close to the top, a clamping mechanism 40 is arranged on the right side of the opening and closing cover 17 close to the top, a first through hole is formed in the left side of the opening and closing cover 17 close to the center, a push rod 19 penetrates through an inner cavity of the first through hole, the left end of the push rod 19 is inserted into an inner cavity of a first bearing, two second springs 20 are fixedly connected to the left side of the movable frame 18 and the left side of the opening and closing cover 17 together, the two second springs 20 are vertically symmetrically arranged by taking the center of the push rod 19 as a symmetric shaft, second through holes are formed in the left side of the opening and closing cover 17 close to the top and the bottom, limit through rods 34 penetrate through the inner cavities of the two second through holes, and limit blocks 21 are fixedly connected to the right ends of the two limit through rods 34, the left ends of the two limiting penetrating rods 34 are fixedly connected with a movable frame 18 together, the right side of the movable frame 18 close to the center is fixedly connected with a first bearing, the right end of the push rod 19 is provided with a clamping mechanism 41, the right side of the equipment box 1 close to the top is fixedly connected with a supporting flat plate, the top of the supporting flat plate is fixedly connected with a motor 9, a power output shaft of the motor 9 is fixedly connected with a power rod, the bottom of the equipment box 1 close to the right side is fixedly connected with a side plate 6, the bottoms of the side plate 6 and the right side of the equipment box 1 close to the bottom are fixedly connected with second bearings, inner cavities of the two second bearings are commonly penetrated with a second rotating rod 5, the bottom of the equipment box 1 is arranged in an opening manner, the bottom of the inner cavity of the equipment box 1 is fixedly connected with a cross rod 35, the center of the cross rod 35 is fixedly connected with a third bearing, and an inner cavity of the third bearing is penetrated with a first rotating rod 3, the top end of the first rotating rod 3 is fixedly connected with a rotating shaft, the outer edge of the rotating shaft is fixedly connected with a plurality of fan blades, the fan blades are arranged in an annular array shape by taking the center of the rotating shaft as a central shaft, the left end of the second rotating rod 5 and the bottom end of the first rotating rod 3 are fixedly connected with conical gears 4, the two conical gears 4 are mutually meshed, the right end of the second rotating rod 5 and the outer edge of the power rod close to the right end are fixedly connected with grooved wheels, a belt 7 is arranged between the adjacent grooved wheels, the adjacent grooved wheels are in transmission connection through the belt 7, the left side of the supporting flat plate is provided with a rectangular through groove, the belt 7 penetrates through the inner cavity of the rectangular through groove, a channel pipe 13 is fixedly connected to the position close to the top of the embedded part of the equipment box body 1, the outer edge of the channel pipe 13 is provided with a plurality of sliding openings, the inner cavities of the plurality of the sliding openings are fixedly connected with cross bars, and L-shaped rods 36 penetrate through the inner cavities of the adjacent sliding openings, adjacent L shape pole 36 is close to center department and has all seted up the third and perforate, the horizontal bar runs through the fenestrate inner chamber of adjacent third, and adjacent L shape pole 36 is close to the equal fixedly connected with fourth bearing of one end of metal tubular product body 33 center department, the inner chamber of adjacent fourth bearing is pegged graft jointly and is had rotation strip 37, adjacent rotation strip 37's outside edge is close to center department and all overlaps and be equipped with the grinding roller 12, a plurality of grinding roller 12 is common and the mutual laminating setting of outside edge of metal tubular product body 33, and adjacent rotation strip 37's right-hand member is close to the equal fixedly connected with linkage gear 10 of left end department with the outside edge of power rod, intermeshing sets up between the adjacent linkage gear 10, the left end fixedly connected with stopper 11 of power rod, the left side department of stopper 11 pegs graft at the right-hand member opening inner chamber of metal tubular product body 33.

Clamping mechanism 40 includes the stripper bar 23, the top of equipment box 1 is close to left side department and has seted up first through-hole, stripper bar 23 runs through the inner chamber of first through-hole and fixedly connected with contact block 24, the top fixedly connected with button 22 of stripper bar 23, button 22 is close to two fifth springs 38 of fixedly connected with between the left side department with the top of equipment box 1, the inserting groove has been seted up near top department in the left side of equipment box 1, the right side of cover 17 that opens and shuts is close to the inner chamber of top department grafting at the inserting groove, and the top of cover 17 that opens and shuts is close to right side department and sets up flutedly, two third springs 26 of inner chamber fixedly connected with of recess, the joint piece 25 of the common fixedly connected with in top of two third springs 26, the inner chamber bottom department of joint piece 25 pegs graft at first through-hole, make to promote the material, place the condition that the centre gripping skidded in the polishing process and appear.

The clamping mechanism 41 comprises a movable clamping block 27, the right side of the movable clamping block 27 is inserted into an inner cavity of an opening at the left end of the metal pipe body 33, a second through hole is formed in the center of the movable clamping block 27, a bar 29 penetrates through the inner cavity of the second through hole, a gasket is fixedly connected to the left end of the bar 29, the left side of the gasket is fixedly connected with the right end of the pushing rod 19, two fourth springs 28 are fixedly connected between the right side of the gasket and the movable clamping block 27 together, a limiting ring is sleeved on the outer edge of the right end of the bar 29, two first linkage rods 30 are hinged to the right end of the bar 29, rubber clamping pads 32 are hinged to the ends of the two first linkage rods 30 far away from each other, the sides of the two rubber clamping pads 32 far away from each other are attached to the inner cavity side wall of the metal pipe body 33, and second linkage rods 39 are hinged to the sides of the two rubber clamping pads 32 near each other, and the adjacent two second linkage rods 39 are hinged with the fixing strips 31 at the ends close to each other, and the left ends of the two fixing strips 31 are fixedly connected with the right side of the movable clamping block 27 together, so that the equipment has high clamping firmness.

The working principle is as follows: firstly, a metal pipe body 33 is inserted from the left side of the equipment box body 1, at the moment, the handle is manually held, the handle is manually pushed, the bottom of the opening and closing cover 17 is driven to be inserted at the top of the equipment box body 1 close to the left side, at the moment, the clamping block 25 is pushed to be clamped at the bottom of the inner cavity of the first through hole through the elastic action of the third spring 26, when clamping is required to be contacted, the button 22 is manually pressed to push the extruding rod 23, the clamping block 25 is extruded through the extruding rod 23 to separate the clamping block 25 from the inner cavity of the first through hole, after clamping is finished, the movable frame 18 is pulled through the elastic action of the two second springs 20, the movable frame 18 pushes the pushing rod 19, the pushing rod 19 is driven to move through the inner cavity of the second through hole through the limiting action of the two limiting penetrating rods 34, the pushing rod 19 moves left and right, and the pushing rod 29 is driven to move through the inner cavity of the second through hole through the pushing rod 19, two adjacent first linkage rods 30 are pushed to perform unfolding motion by the movement of the bar 29, and the movable clamping block 27 is matched with the opening at the left end of the metal pipe body 33 to be mutually attached, so that the second linkage rod 39 is limited by the two fixing bars 31, at the moment, the two rubber clamping pads 32 are used for expanding and clamping the inner cavity of the metal pipe body 33, at the moment, the limiting plug 11 is inserted into the inner cavity at the right end opening of the metal pipe body 33, the motor 9 is started, the power rod is driven to rotate by the power output shaft of the motor 9, the adjacent linkage gear 10 is driven to rotate by the rotation of the power rod, at the moment, the manual rod 15 is pushed manually, the movable tube 14 is driven to rotate nearly by the pushing of the manual rod 15, the end, far away from the center of the equipment box body 1, of the adjacent L-shaped rod 36 is driven to move by the movable tube 14, the L-shaped rod 36 is limited by the transverse bar, the center of the equipment box body 1 is clamped by the pushing rotating strip 37, the linkage gears 10 fixedly connected with the right ends of the adjacent rotating strips 37 are driven to be mutually meshed through the movement of the rotating strips 37, the adjacent polishing rollers 12 are driven to be attached and polished to the metal pipe body 33 through the mutual meshing rotation of the adjacent linkage gears 10, the metal pipe body 33 is driven to rotate near the inner cavity of the equipment box body 1 through the matching of the limiting plugs 11, the grooved wheels are driven to be mutually transmitted through the action of a belt 7, the second rotating rod 5 and the adjacent conical gear 4 are driven to rotate through the rotation of the adjacent grooved wheels, the first rotating rod 3 is driven to rotate through the mutual meshing arrangement of the adjacent conical gears 4, the adjacent rotating shaft is driven to rotate through the rotation of the first rotating rod 3, the adjacent fan blades are driven to rotate through the rotation of the rotating shaft, and the polished chips in the inner cavity of the equipment box body 1 are absorbed through the rotation of the fan blades, and is discharged through an opening at the bottom of the apparatus case 1.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.

Claims (7)

1. The utility model provides a surface treatment device behind high pressure molding in metal tubular product, includes equipment box (1) and metal tubular product body (33), the right-hand member of metal tubular product body (33) is pegged graft at the inner chamber of equipment box (1), its characterized in that: the device comprises a device box body (1), wherein a viewing port is formed in the position, close to the left side, of the top of the device box body (1), an opening and closing cover (17) is hinged to the position, close to the top, of the left side of the opening and closing cover (17), a clamping mechanism (40) is arranged in the position, close to the top, of the right side of the opening and closing cover (17), a first perforation is formed in the position, close to the center, of the left side of the opening and closing cover (17), a push rod (19) penetrates through an inner cavity of the first perforation, second perforations are formed in the positions, close to the top and the bottom, of the left side of the opening and closing cover (17), limiting penetrating rods (34) penetrate through the inner cavities of the two second perforations, limiting blocks (21) are fixedly connected to the right ends of the two limiting penetrating rods (34), a movable frame (18) is fixedly connected to the position, close to the center, of the right side of the movable frame (18), a first bearing is fixedly connected to the position, and a clamping mechanism (41) is arranged at the right end of the push rod (19), a supporting flat plate is fixedly connected to the right side of the equipment box body (1) close to the top, a motor (9) is fixedly connected to the top of the supporting flat plate, a power rod is fixedly connected to a power output shaft of the motor (9), a side plate (6) is fixedly connected to the bottom of the equipment box body (1) close to the right side, second bearings are fixedly connected to the bottom of the side plate (6) and the right side of the equipment box body (1) close to the bottom, second rotating rods (5) penetrate through inner cavities of the two second bearings together, the bottom of the equipment box body (1) is arranged in an opening mode, a cross rod (35) is fixedly connected to the bottom of the inner cavity of the equipment box body (1), a third bearing is fixedly connected to the center of the cross rod (35), a first rotating rod (3) penetrates through the inner cavity of the third bearing, a rotating shaft is fixedly connected to the top end of the first rotating rod (3), the outer edge of the rotating shaft is fixedly connected with a plurality of fan blades, the fan blades are arranged in an annular array shape by taking the center of the rotating shaft as a central shaft, the left end of the second rotating rod (5) and the bottom end of the first rotating rod (3) are fixedly connected with conical gears (4), the two conical gears (4) are arranged in a meshed mode, the right end of the second rotating rod (5) and the outer edge of the power rod are close to the right end and are fixedly connected with grooved wheels, a belt (7) is arranged between the adjacent grooved wheels, the adjacent grooved wheels are in transmission connection through the belt (7), a rectangular through groove is formed in the left side of the supporting flat plate, the belt (7) penetrates through the inner cavity of the rectangular through groove, a channel pipe (13) is fixedly connected with the embedded position closer to the top of the equipment box body (1), and a plurality of sliding openings are formed in the outer edge of the channel pipe (13), a plurality of transverse bars are fixedly connected to the inner cavities of the sliding openings, L-shaped rods (36) penetrate through the adjacent inner cavities of the sliding openings, third through holes are formed in the positions, close to the center, of the adjacent L-shaped rods (36), the transverse bars penetrate through the inner cavities of the adjacent third through holes, one ends, close to the center, of the L-shaped rods (36) are fixedly connected with fourth bearings, the inner cavities of the adjacent fourth bearings are jointly inserted with rotating bars (37), grinding rollers (12) are sleeved on the positions, close to the center, of the outer edges of the adjacent rotating bars (37), the grinding rollers (12) are jointly attached to the outer edges of the metal pipe bodies (33), linkage gears (10) are fixedly connected to the positions, close to the left ends, of the right ends of the adjacent rotating bars (37) and the outer edges of the power rods, and the linkage gears (10) are meshed with each other, the left end of the power rod is fixedly connected with a limiting plug (11), and the left side of the limiting plug (11) is inserted into an inner cavity of a right end opening of the metal pipe body (33).

2. The surface treatment device for the metal pipe after internal high-pressure forming according to claim 1, wherein: the inner cavity fixedly connected with toughened glass (16) of viewing aperture, the top of equipment box (1) is close to central department and has seted up the bar mouth, manual pole (15) have been run through to the inner cavity of bar mouth, the bottom fixedly connected with connecting block of manual pole (15), the bottom of connecting block and the top of movable tube (14) department fixed connection.

3. The surface treatment device for the metal pipe after internal high-pressure forming according to claim 1, wherein: the cross section of the opening and closing cover (17) is arc-shaped, the opening of the arc-shaped opening of the opening and closing cover (17) faces the right, and the left side of the opening and closing cover (17) is close to the top and is fixedly connected with a handle.

4. The surface treatment device for the metal pipe after internal high-pressure forming according to claim 1, wherein: the left end of a push rod (19) is inserted into an inner cavity of a first bearing, two second springs (20) are fixedly connected to the left sides of the movable frame (18) and the opening and closing cover (17) together, and the two second springs (20) are arranged in a vertically symmetrical mode by taking the center of the push rod (19) as a symmetrical axis.

5. The surface treatment device for the metal pipe after internal high-pressure forming according to claim 1, wherein: the clamping mechanism (40) comprises an extrusion rod (23), a first through hole is formed in the position, close to the left side, of the top of the equipment box body (1), the extrusion rod (23) penetrates through an inner cavity of the first through hole and is fixedly connected with a contact block (24), a button (22) is fixedly connected to the top end of the extrusion rod (23), two fifth springs (38) are fixedly connected between the button (22) and the position, close to the left side, of the top of the equipment box body (1), an insertion groove is formed in the position, close to the top, of the left side of the equipment box body (1), the right side of the opening and closing cover (17) is inserted into the inner cavity of the insertion groove in the position, close to the top end, a groove is formed in the position, close to the right side, of the top of the opening and closing cover (17), two third springs (26) are fixedly connected to the inner cavity of the groove, and clamping blocks (25) are fixedly connected to the top ends of the two third springs (26) together, the top of the clamping block (25) is inserted at the bottom of the inner cavity of the first through hole.

6. The surface treatment device for the metal pipe after internal high-pressure forming according to claim 1, wherein: the clamping mechanism (41) comprises a movable clamping block (27), the right side of the movable clamping block (27) is inserted into an inner cavity of an opening at the left end of the metal pipe body (33), a second through hole is formed in the center of the movable clamping block (27), a bar (29) penetrates through the inner cavity of the second through hole, a gasket is fixedly connected to the left end of the bar (29), the left side of the gasket is fixedly connected with the right end of the push rod (19), two fourth springs (28) are fixedly connected between the right side of the gasket and the movable clamping block (27) together, a limiting ring is sleeved on the outer edge of the right end of the bar (29), two first linkage rods (30) are hinged to the right end of the bar (29), rubber clamping pads (32) are hinged to one ends, far away from the first linkage rods (30), of the two rubber clamping pads (32) are attached to the inner cavity side wall of the metal pipe body (33), and one side that two rubber centre gripping pads (32) are close to mutually all articulates there is second linkage pole (39), and adjacent two the one end that second linkage pole (39) are close to mutually all articulates there is fixed strip (31), two the left end of fixed strip (31) is together with the right side department fixed connection of activity grip block (27).

7. The surface treatment device for the metal pipe after internal high-pressure forming according to claim 1, wherein: the inner chamber of equipment box (1) is close to bottom fixedly connected with bottom fixed plate (2), a plurality of rectangle feed opening has been seted up on bottom fixed plate (2), just two first springs (8), two of common fixedly connected with between the bottom of bottom fixed plate (2) and activity pipe (14) department first spring (8) are the bilateral symmetry setting as the symmetry axis with the center of activity pipe (14).

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