阅读说明：本技术 一种汽车金属管件加工用夹持装置及其使用方法 (Clamping device for machining automobile metal pipe fitting and using method thereof ) 是由 顾中权 胡洲权 华路 崔顺勇 郑张缘 于 2021-08-05 设计创作，主要内容包括：本发明公开一种汽车金属管件加工用夹持装置,包括固定底座和旋转托板,所述旋转托板活动安装在固定底座的上端中部位置,所述旋转托板和固定底座之间套接有用来旋转调节的转动杆,且旋转托板和固定底座靠近转动杆的两侧均设有用来驱动的液压顶杆,所述旋转托板的上部外表面固定安装有固定卡座；使用者可以根据汽车金属管件的加工角度做任意的调节操作,同时利用定位插杆的设置,可以对固定底座和旋转托板之间进行锁紧固定,方便管件进行水平切割操作,提升其使用效果,利用转动杆和液压顶杆的设置,使得该汽车金属管件加工用夹持装置具有液压式角度调节结构,提升其使用时的灵活性。(The invention discloses a clamping device for processing an automobile metal pipe fitting, which comprises a fixed base and a rotary supporting plate, wherein the rotary supporting plate is movably arranged at the middle position of the upper end of the fixed base; the user can be according to car metal pipe spare's processing angle and do arbitrary regulation operation, utilizes the setting of location inserted bar simultaneously, can lock fixedly between unable adjustment base and the rotating support board, makes things convenient for the pipe fitting to carry out the horizontal cutting operation, promotes its result of use, utilizes the setting of dwang and hydraulic pressure ejector pin for this clamping device for car metal pipe spare processing has fluid pressure type angle modulation structure, the flexibility when promoting its use.)

1. The utility model provides a clamping device is used in processing of car metal pipe fitting, includes unable adjustment base (1) and rotatory layer board (4), rotatory layer board (4) movable mounting is in the upper end middle part position of unable adjustment base (1), a serial communication port, dwang (3) that are used for rotatory regulation have been cup jointed between rotatory layer board (4) and unable adjustment base (1), and rotatory layer board (4) and unable adjustment base (1) are close to both sides of dwang (3) and all are equipped with hydraulic ram (10) that are used for the drive, the upper portion external surface fixed mounting of rotatory layer board (4) has fixed cassette (5), and one side movable mounting that the upper portion surface of rotatory layer board (4) is close to fixed cassette (5) has removal cassette (7).

2. The clamping device for machining the metal pipe fitting of the automobile according to claim 1, wherein the abutting clamp (6) is mounted on the outer surfaces of the side edges of the fixed clamping seat (5) and the movable clamping seat (7), and the outer surface of the abutting clamp (6) is of an arc-shaped structure.

3. The clamping device for machining the metal pipe fitting of the automobile according to claim 1, wherein an arc-shaped notch (13) for fitting a pipeline is formed in the middle of the upper end of the rotating supporting plate (4), a first clamping seat (12) and a second clamping seat (14) for butting against the rotating rod (3) are installed in the middle of the upper end of the rotating supporting plate (4), and rotating shafts are arranged in the middle of the first clamping seat (12) and the second clamping seat (14).

4. The clamping device for machining the metal pipe fitting of the automobile according to claim 3, wherein two groups of cutting grooves (15) are formed in the inner side of the rotating supporting plate (4) in a penetrating mode, and two groups of butt-joint rotating rods (11) are mounted on two sides of the rotating supporting plate (4).

5. The clamping device for machining the automobile metal pipe fitting is characterized in that two groups of positioning insertion rods (2) used for locking the rotating supporting plate (4) are arranged between the rotating supporting plate (4) and the fixed base (1), and the rotating supporting plate (4) is in butt joint with the positioning insertion rods (2) through round holes.

6. The clamping device for machining the metal pipe fitting of the automobile according to claim 1, wherein two sets of butt-joint clamping grooves (17) are formed in the outer surface of one end of the movable clamping seat (7), and two sets of fixing clamping strips (18) are mounted on the outer surfaces of the side edges of the butt-joint clamping grooves (17).

7. The clamping device for machining the metal pipe fitting of the automobile according to claim 6, wherein a drawing plate (8) is installed at the other end of the movable clamping seat (7), two groups of limiting sliding grooves (16) are formed in the side edges of the drawing plate (8), and a fixing frame (9) for abutting against the drawing plate (8) is installed at the upper portion of the rotating supporting plate (4).

8. The clamping device for processing the metal pipe fittings of the automobile according to claim 7, wherein two sets of sliding clamping wheels (20) are movably installed on the inner side of the fixing frame (9), two sets of fastening caps (21) are movably sleeved on the upper part of the fixing frame (9), and a fixedly used butt-joint inserting plate (19) is installed at the bottom of the fixing frame (9).

9. The clamping device for machining the metal pipe fitting of the automobile according to claim 2, wherein two groups of butt-joint clamping blocks (22) are fixedly installed on the outer surfaces of the side edges of the butt-joint clamp (6), positioning grooves (23) are formed in two sides of each butt-joint clamping block (22), and arc-shaped plugs (24) are installed at the bottoms of the butt-joint clamping blocks (22).

10. The use method of the clamping device for machining the automobile metal pipe fitting is characterized by comprising the following specific operation steps:

firstly, placing a pipeline at an arc-shaped notch (13) of a rotating supporting plate (4), pushing a pulling plate (8), so that the pulling plate (8) drives a movable clamping seat (7) to translate, and clamping the pipeline between two groups of butt-joint clamps (6);

step two, the positioning inserted rod (2) is pulled out from the position between the fixed base (1) and the rotating supporting plate (4), and the angle of the rotating supporting plate (4) is adjusted by utilizing the hydraulic ejector rod (10) to be matched with the rotating rod (3);

and thirdly, cutting the pipeline by matching the cutting groove (15) with the cutting disc, and taking down the butt joint clamp (6) by using the butt joint clamping block (22) for replacement operation.

Technical Field

The invention belongs to the technical field of pipe fitting clamping devices, and particularly relates to a clamping device for machining an automobile metal pipe fitting and a using method thereof.

Background

The clamping device for machining the automobile metal pipe fitting and the using method thereof are used in the production and machining links of the automobile metal pipe fitting and used for assisting in fixing the automobile metal pipe fitting, and the metal pipe fitting can be conveniently cut and machined through the clamping device.

Patent document CN213439205U discloses a metal tube clamping device, which comprises a working frame, wherein two hydraulic cylinders arranged transversely are installed in the working frame, the hydraulic cylinders are arranged oppositely, and the piston rods of the hydraulic cylinders are fixed with U-shaped rods arranged oppositely; the inner sides of the top end and the bottom end of the working frame are both fixed with a square block, a first limiting chute is formed in the square block, a spring is fixed at one end of the first limiting chute and is movably connected with a first limiting block, the first limiting block extends to the first limiting chute and is also connected with a connecting block, one end of the connecting block is connected with a clamping block, and the clamping blocks are arranged oppositely; compared with the invention, the clamping block is not provided with a multiple adjusting structure, so that the flexibility of the clamping block in use is reduced.

The conventional clamping device for processing the metal pipe fitting of the automobile has certain defects, and the conventional clamping device for processing the metal pipe fitting of the automobile adopts a fixed structural design, so that a user cannot perform any adjustment operation according to the processing angle and the processing position of the metal pipe fitting, and the flexibility of the clamping device for processing the metal pipe fitting of the automobile in use is reduced; secondly, the traditional clamping device for processing the metal pipe fittings of the automobile does not have an auxiliary fixing structure, so that the clamping device cannot be well suitable for metal pipe fittings with different sizes, and the using effect of the clamping device is reduced; meanwhile, the traditional clamping device for machining the metal pipe fitting of the automobile does not have an auxiliary adjusting structure, so that the operation difficulty in the adjusting operation is increased, and certain adverse effects are brought to a user.

Disclosure of Invention

The invention aims to provide a clamping device for machining an automobile metal pipe fitting and a using method thereof, which can solve the existing problems.

The invention solves the problems that:

1. the clamping device for processing the metal pipe fitting of the traditional equipment automobile cannot be adjusted randomly according to the processing angle of the pipe fitting, so that the flexibility of the clamping device in use is reduced;

2. the clamping device for processing the metal pipe fittings of the traditional equipment automobile does not have a splicing and fixing structure, so that the clamping device cannot be well suitable for the metal pipe fittings of the automobiles with different calibers;

3. clamping device is used in processing of traditional equipment car metal pipe fitting does not have supplementary regulation structure, has increased the degree of difficulty when its installation is adjusted the operation.

The purpose of the invention can be realized by the following technical scheme:

the utility model provides a clamping device is used in processing of car metal pipe fitting, includes unable adjustment base and rotatory layer board, rotatory layer board movable mounting is in unable adjustment base's upper end middle part position, the dwang that is used for rotation regulation has been cup jointed between rotatory layer board and the unable adjustment base, and rotatory layer board and unable adjustment base are close to the both sides of dwang and all are equipped with the hydraulic pressure ejector pin that is used for the driven, the upper portion surface fixed mounting of rotatory layer board has fixed cassette, and one side movable mounting that the upper portion surface of rotatory layer board is close to fixed cassette has the removal cassette.

As a further technical scheme of the present invention, the outer surfaces of the side edges of the fixed clamping seat and the movable clamping seat are both provided with a docking fixture, and the outer surface of the docking fixture is of an arc structure, and the distance between the two sets of docking fixtures can be adjusted by adjusting the position of the movable clamping seat, so that pipelines with different calibers can be fixed between the two sets of docking fixtures, and meanwhile, the docking fixture can be better attached to the surface of the pipeline by using the arc structure of the outer surface of the docking fixture.

As a further technical scheme of the present invention, an arc-shaped notch for fitting a pipeline is arranged in the middle of the upper end of the rotating support plate, a first clamping seat and a second clamping seat for butting against a rotating rod are installed in the middle of the upper end of the rotating support plate, rotating shafts are respectively arranged in the middle of the first clamping seat and the second clamping seat, and the rotating support plate can be rotatably adjusted by using the rotating shafts of the first clamping seat and the second clamping seat in cooperation with the rotating rod, so that the placing angle of the pipeline on the rotating support plate is adjusted, and the angle adjustment effect is provided for the pipeline.

As a further technical scheme of the invention, two groups of cutting grooves are formed in the inner side of the rotary supporting plate in a penetrating manner, two groups of butt joint rotating rods are arranged on two sides of the rotary supporting plate, a user can conveniently perform cutting processing operation on a pipeline after the pipeline is fixed on the rotary supporting plate by using the cutting grooves, and the rotary supporting plate can be inclined towards two sides to be adjusted by using the butt joint rotating rods under the driving of the hydraulic ejector rod, so that the use angle of the rotary supporting plate can be adjusted.

As a further technical scheme of the invention, two groups of positioning insertion rods for locking the rotating supporting plate are arranged between the rotating supporting plate and the fixed base, the rotating supporting plate and the positioning insertion rods are in butt joint through round holes, and the rotating supporting plate can be locked and fixed by the positioning insertion rods when the rotating supporting plate and the fixed base are flush, so that the rotating supporting plate is prevented from inclining towards two sides, and the fixing device is provided with an auxiliary fixing structure.

As a further technical scheme of the invention, two groups of butt joint clamping grooves are formed in the outer surface of one end of the movable clamping seat, two groups of fixing clamping strips are arranged on the outer surface of the side edge of each butt joint clamping groove, and the butt joint clamping blocks can be matched by utilizing the arrangement of the butt joint clamping grooves and the fixing clamping strips to play a role in fixing the installation of the butt joint clamp.

As a further technical scheme of the invention, the other end of the movable clamping seat is provided with a pulling plate, the side edge of the pulling plate is provided with two groups of limiting sliding grooves, the upper part of the rotating supporting plate is provided with a fixed frame for butting the pulling plate, a user pushes the pulling plate to enable the pulling plate to drive the movable clamping seat to move, so that a pipeline is clamped between the two groups of butting clamps, and the fixed frame can be used for locking and fixing the moved pulling plate.

As a further technical scheme of the invention, two groups of sliding clamping wheels are movably mounted on the inner side of the fixing frame, two groups of fastening caps are movably sleeved on the upper part of the fixing frame, and a fixedly used butt-joint inserting plate is mounted at the bottom of the fixing frame.

According to the further technical scheme, two groups of butt joint fixture blocks are fixedly arranged on the outer surface of the side edge of the butt joint fixture, positioning grooves are formed in the two sides of each butt joint fixture block, arc-shaped plugs are arranged at the bottoms of the butt joint fixture blocks, the butt joint fixture is enabled to be provided with a splicing type combined fixing structure through the arrangement of the butt joint fixture blocks, meanwhile, the resistance of the butt joint fixture blocks during insertion can be reduced through the arrangement of the arc-shaped plugs, and the installation operation is more labor-saving.

A use method of a clamping device for machining an automobile metal pipe fitting comprises the following specific operation steps:

placing a pipeline at an arc-shaped notch of a rotating supporting plate, pushing a pulling plate, enabling the pulling plate to drive a movable clamping seat to translate, and clamping the pipeline between two groups of butt-joint clamps;

step two, drawing out the positioning inserted rod from between the fixed base and the rotary supporting plate, and adjusting the angle of the rotary supporting plate by utilizing the hydraulic ejector rod to be matched with the rotary rod;

and step three, cutting the pipeline by matching the cutting grooves with the cutting disc, and taking down the butt joint fixture by using the butt joint fixture block for replacement operation.

The invention has the beneficial effects that:

1. through the rotating rod and the hydraulic ejector rod, when the clamping device for processing the metal pipe fittings of the automobile is used, a user can fix the pipe fittings on the butt joint clamp between the fixed clamping seat and the movable clamping seat in advance, the side edge of the pipe fittings is clamped by utilizing the arc-shaped notch of the butt joint clamp, when the user carries out cutting operation on the pipe fittings, the user can draw out the positioning insertion rod from between the fixed base and the rotary supporting plate by pulling the positioning insertion rod according to the cutting angle of the pipe fittings, so that the fixed base and the rotary supporting plate are in a movable state, the user can rotate the pipe fittings on the rotary supporting plate to the other side by starting the hydraulic ejector rod when the hydraulic ejector rod on one side of the rotary supporting plate rises, and meanwhile, when the hydraulic ejector rod on one side of the rotary supporting plate descends, the pipe fittings on the rotary supporting plate rotates to the side, so that the user can carry out arbitrary adjustment operation according to the processing angle of the metal pipe fittings of the automobile, utilize the setting of location inserted bar simultaneously, can lock fixedly between unable adjustment base and the rotating support board, make things convenient for the pipe fitting to carry out the horizontal cutting operation, promote its result of use, utilize the setting of dwang and hydraulic ram for this clamping device for automobile metal pipe fitting processing has fluid pressure type angle modulation structure, the flexibility when promoting its use.

2. By arranging the movable clamping seat and the pull plate, when the clamping device for processing the metal pipe fittings of the automobile needs to fix the pipe fittings with different calibers, a user can take the butt clamp off the fixed clamping seat and the movable clamping seat by utilizing the butt clamping block and the butt clamping groove according to the calibers of the pipe fittings, the butt clamps with corresponding sizes are arranged on the fixed clamping seat and the movable clamping seat according to the calibers of the pipe fittings, when the pipe fittings are fixed, the pipe fitting is arranged between the fixed clamping seat and the movable clamping seat, the pull plate drives the movable clamping seat to translate by pushing the pull plate, the distance between the two groups of butt clamps can be adjusted by utilizing the position adjustment of the movable clamping seat, so that the pipes with different calibers can be fixed between the two groups of butt clamps, meanwhile, the arc-shaped structures on the outer surfaces of the butt clamps can be better attached to the surfaces of the pipes by utilizing the arrangement of the movable clamping seat and the pull plate, the clamping device for processing the automobile metal pipe fitting has a combined fixing structure by matching with a butt joint clamp, and the application range of the clamping device is widened.

3. Through setting up fixed frame and butt joint fixture block, when this clamping device is used in the processing of car metal pipe fitting, the user can utilize two sets of slip card wheels of fixed frame inboard, reduces the frictional force when pull board removes for the regulation operation of removing the cassette is more smooth, utilizes the arc plug of butt joint fixture block bottom simultaneously, can reduce the resistance when butt joint fixture block inserts the butt joint draw-in groove, makes the operation of assembling of butt joint anchor clamps laborsaving more.

Drawings

The invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of a clamping device for machining a metal pipe of an automobile according to the present invention;

FIG. 2 is an overall view of a rotary supporting plate of the clamping device for machining metal pipes of an automobile according to the present invention;

FIG. 3 is an overall structure view of a drawing plate of the clamping device for machining the metal pipe fitting of the automobile of the present invention;

FIG. 4 is an overall view of a center fixing frame of the clamping device for machining metal pipes of an automobile according to the present invention;

fig. 5 is an overall structure view of a butt clamp in the clamping device for machining the metal pipe of the automobile according to the present invention.

In the figure: 1. a fixed base; 2. positioning the inserted rod; 3. rotating the rod; 4. rotating the supporting plate; 5. fixing the card holder; 6. butting a clamp; 7. moving the card holder; 8. a drawing plate; 9. a fixing frame; 10. a hydraulic ejector rod; 11. butting the rotating rods; 12. a first card holder; 13. an arc-shaped notch; 14. a second card holder; 15. cutting the groove; 16. a limiting chute; 17. butting the clamping grooves; 18. fixing the clamping strip; 19. butting plug boards; 20. a sliding clamp wheel; 21. a fastening cap; 22. butting the clamping blocks; 23. positioning a groove; 24. an arc-shaped plug.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.

As shown in fig. 1-5, a clamping device for processing of automobile metal pipe fittings comprises a fixed base 1 and a rotary supporting plate 4, wherein the rotary supporting plate 4 is movably mounted at the middle position of the upper end of the fixed base 1, a rotary rod 3 for rotary adjustment is sleeved between the rotary supporting plate 4 and the fixed base 1, two sides of the rotary supporting plate 4 and the fixed base 1, which are close to the rotary rod 3, are respectively provided with a hydraulic ejector rod 10 for driving, the outer surface of the upper part of the rotary supporting plate 4 is fixedly provided with a fixed clamping seat 5, and one side of the outer surface of the upper part of the rotary supporting plate 4, which is close to the fixed clamping seat 5, is movably provided with a movable clamping seat 7.

Example 1

Fixed cassette 5 all installs butt joint anchor clamps 6 with the side surface that removes cassette 7, and the surface of butt joint anchor clamps 6 is the arc structure, utilizes the position control that removes cassette 7, can adjust the distance between two sets of butt joint anchor clamps 6 for can fix the pipeline of different bores between two sets of butt joint anchor clamps 6, utilize the arc structure of butt joint anchor clamps 6 surface simultaneously, can be so that the better surface of laminating pipeline of butt joint anchor clamps 6.

The upper end middle part of rotatory layer board 4 is provided with the arc notch 13 that is used for laminating the pipeline, and the upper end mid-mounting of rotatory layer board 4 has first cassette 12 and the second cassette 14 that is used for butt joint dwang 3, the middle part of first cassette 12 and second cassette 14 all is equipped with the pivot, utilize the pivot of first cassette 12 and second cassette 14, cooperation dwang 3, can rotatory layer board 4 of spin regulation, thereby the angle of placing of pipeline on the rotatory layer board 4 of adjustment, play angle modulation's effect to it, utilize the setting of arc notch 13, can be so that the bottom of the better laminating pipeline of rotatory layer board 4.

The inboard of rotatory layer board 4 is run through and has been seted up two sets of cutting grooves 15, and two sets of butt joint bull stick 11 are all installed to the both sides of rotatory layer board 4, utilize the setting that cuts cutting grooves 15, can fix at rotatory layer board 4 back at the pipeline, the person of facilitating the use cuts the processing operation to the pipeline, utilize the setting of butt joint bull stick 11 simultaneously, under the drive of hydraulic ram 10, can make rotatory layer board 4 do the slope regulation operation to both sides to adjust the use angle of rotatory layer board 4.

Example 2

Be provided with two sets of location inserted bar 2 that are used for locking rotatory layer board 4 between rotatory layer board 4 and unable adjustment base 1, rotatory layer board 4 and location inserted bar 2 through the round hole butt joint, utilize the setting of location inserted bar 2, can be at rotatory layer board 4 and unable adjustment base 1 level and level, and it is fixed to lock rotation layer board 4, avoids rotatory layer board 4 to the slope of both sides, makes it have supplementary fixed knot structure.

Two groups of butt joint clamping grooves 17 are formed in the outer surface of one end of the movable clamping seat 7, two groups of fixing clamping strips 18 are mounted on the outer surface of the side edge of each butt joint clamping groove 17, and the butt joint clamping blocks 22 can be matched by the arrangement of the butt joint clamping grooves 17 and the fixing clamping strips 18 to fix the installation of the butt joint clamp 6.

Remove the other end of cassette 7 and install pull board 8, and the side of pull board 8 has seted up two sets of spacing spouts 16, and the fixed frame 9 that is used for butt joint pull board 8 is installed on the upper portion of rotatory layer board 4, and the user is through promoting pull board 8 for pull board 8 can drive and remove cassette 7 and remove, thereby presss from both sides the pipeline between two sets of butt joint anchor clamps 6, utilizes fixed frame 9 can play the fixed right effect of locking to the pull board 8 after removing.

Example 3

Two sets of slip card wheels 20 are movably mounted to the inboard of fixed frame 9, and the upper portion activity of fixed frame 9 has cup jointed two sets of locking caps 21, and fixed butt joint picture peg 19 of using is installed to the bottom of fixed frame 9, and when fixed frame 9 used, utilize the setting of slip card wheel 20, frictional force when can reducing the pull board 8 and remove for it is more smooth when pull board 8 uses, utilizes the setting of locking caps 21 simultaneously, can lock fixed operation to the pull board 8 after removing.

Two sets of butt joint fixture blocks 22 are fixedly installed to the side surface of butt joint anchor clamps 6, and the both sides of butt joint fixture block 22 all are equipped with constant head tank 23, and arc plug 24 is installed to the bottom of butt joint fixture block 22, utilizes the setting of butt joint fixture block 22 for butt joint anchor clamps 6 have concatenation formula combination fixed knot and construct, utilizes arc plug 24's setting to reduce the resistance when butt joint fixture block 22 inserts simultaneously, makes its installation operation more laborsaving.

A use method of a clamping device for machining an automobile metal pipe fitting comprises the following specific operation steps:

firstly, placing a pipeline at an arc-shaped notch 13 of a rotating supporting plate 4, pushing a pulling plate 8, enabling the pulling plate 8 to drive a movable clamping seat 7 to translate, and clamping the pipeline between two groups of butt-joint clamps 6;

step two, the positioning inserted bar 2 is drawn out from between the fixed base 1 and the rotating supporting plate 4, and the angle of the rotating supporting plate 4 is adjusted by utilizing the hydraulic ejector rod 10 to be matched with the rotating rod 3;

and step three, cutting the pipeline by matching the cutting groove 15 with the cutting disc, and simultaneously taking down the butt joint fixture 6 by using the butt joint fixture block 22 for replacement operation.

When the clamping device for processing the metal pipe fitting of the automobile and the using method thereof are used, a user can fix the pipe fitting on the butt joint clamp 6 between the fixed clamp seat 5 and the movable clamp seat 7 in advance through the rotating rod 3 and the hydraulic ejector rod 10 and utilize the arc-shaped notch 13 of the butt joint clamp 6 to clamp the side edge of the pipe fitting, when the user cuts the pipe fitting, the user can pull the positioning insertion rod 2 out from between the fixed base 1 and the rotary supporting plate 4 by pulling the positioning insertion rod 2 according to the cutting angle of the pipe fitting, so that the fixed base 1 and the rotary supporting plate 4 are in a movable state, the user can rotate the pipe fitting on the rotary supporting plate 4 to the other side by starting the hydraulic ejector rod 10 when the hydraulic ejector rod 10 on one side of the rotary supporting plate 4 rises, and simultaneously when the hydraulic ejector rod 10 on one side of the rotary supporting plate 4 descends, the pipe fitting on the rotary supporting plate 4 is enabled to rotate towards the side, so that a user can perform any adjusting operation according to the processing angle of the automobile metal pipe fitting, meanwhile, the fixed base 1 and the rotary supporting plate 4 can be locked and fixed by the arrangement of the positioning insertion rod 2, the pipe fitting can be conveniently subjected to horizontal cutting operation, the using effect of the pipe fitting is improved, and the clamping device for processing the automobile metal pipe fitting is enabled to have a hydraulic angle adjusting structure by the arrangement of the rotary rod 3 and the hydraulic ejector rod 10, so that the flexibility of the clamping device for processing the automobile metal pipe fitting is improved when the clamping device is used;

by arranging the movable clamping seat 7 and the pull plate 8, when the clamping device for processing the metal pipe fittings of the automobile needs to fix the pipe fittings with different calibers, a user can take the butt clamp 6 off the fixed clamping seat 5 and the movable clamping seat 7 by utilizing the butt clamping block 22 and the butt clamping groove 17 according to the calibers of the pipe fittings, the butt clamp 6 with corresponding sizes is arranged on the fixed clamping seat 5 and the movable clamping seat 7 according to the calibers of the pipe fittings, when the pipe fittings are fixed, the pipe fittings are arranged between the fixed clamping seat 5 and the movable clamping seat 7, the pull plate 8 drives the movable clamping seat 7 to translate by pushing the pull plate 8, the distance between the two groups of butt clamps 6 can be adjusted by utilizing the position adjustment of the movable clamping seat 7, so that the pipelines with different calibers can be fixed between the two groups of butt clamps 6, and simultaneously, the arc structures on the outer surfaces of the butt clamps 6 can better fit the surfaces of the pipelines, by means of the arrangement of the movable clamping seat 7 and the pull plate 8 and the use of the butt clamp 6, the clamping device for processing the metal pipe fitting of the automobile is provided with a combined fixing structure, and the application range of the clamping device is widened;

through setting up fixed frame 9 and butt joint fixture block 22, when this clamping device is used in the processing of car metal pipe fitting, the user can utilize two sets of slip card wheels 20 of fixed frame 9 inboard, frictional force when reducing the removal of pull board 8 for the regulation operation of removing cassette 7 is more smooth, utilizes the arc plug 24 of butt joint fixture block 22 bottom simultaneously, can reduce the resistance when butt joint fixture block 22 inserts butt joint draw-in groove 17, makes the operation of assembling of butt joint anchor clamps 6 more laborsaving.

Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.