CN211564982U

CN211564982U - Double-layer pipe assembly welding machine

Info

Publication number: CN211564982U
Application number: CN201922063274.6U
Authority: CN
Inventors: 王森锦; 梁宏; 王再勇; 王再星
Original assignee: Nantong Guangming Molybdenum Products Co ltd
Current assignee: Nantong Guangming Molybdenum Products Co ltd
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-09-25
Anticipated expiration: 2029-11-26

Abstract

The utility model belongs to the technical field of the double tube welding, especially, relate to a double tube assemblage welding machine, comprises a workbench, one side of workstation is fixed with the support column, and the support column openly has seted up spacing mouthful, the guide slot mouth has been seted up to one side of support column, the utility model discloses in, through this kind of double tube assemblage welding machine, can drive welding mechanism through electric telescopic handle under welding mechanism's effect and move in the guide slot mouth, realize the function of vertical welding, rotatory feed knob can control the slide rail motion to adjust the aircraft nose and by the distance of welded steel pipe, the welding angle of aircraft nose can be adjusted to rotatory locking knob, the motion through the roller bearing can make the slide rail in the sliding process in the same direction as sliding, through spout groove and slider, can keep the stationarity of slide rail motion.

Description

Double-layer pipe assembly welding machine

Technical Field

The utility model relates to a double tube welding technical field, in particular to double tube assemblage welding machine.

Background

A double-layer pipe welder is an equipment which is made up by using seamless steel pipe, spiral pipe and welded steel pipe as base material, pretreating, lining stainless steel plate on the inner wall of pipeline interface to make the stainless steel plate adhere to the inner wall of steel pipe, and coating polyethylene anticorrosion layer on its internal and external surfaces.

When the existing double-layer pipe group vertical welding machine is used, a welding machine head is generally fixedly installed, the requirements of steel pipes of different specifications cannot be met flexibly, a steel pipe clamping mechanism can only clamp one steel pipe at a time, the types of the steel pipes are limited to one type, the production efficiency is low, electric welding waste residues generated in the welding process directly fall off at the bottom of the welding machine, the damage to the machining environment is large, and the influence can be generated on parts of the welding machine.

SUMMERY OF THE UTILITY MODEL

The utility model provides a double-deck nest of tubes founds welding machine aims at solving current double-deck nest of tubes founds welding machine, and the welding machine aircraft nose generally adopts fixed installation, can not deal with the demand of different specification steel pipes in a flexible way, and the centre gripping steel pipe mechanism once can only a steel pipe of centre gripping, and the steel pipe kind is injectd in one, and production efficiency will be low, and the electric welding waste residue that produces in the welding process directly drops in the bottom of welding machine, the problem that the condition more big takes place to the broken ring of processing environment.

The utility model is realized in such a way, a double-layer pipe assembly welding machine comprises a workbench, a support column is fixed on one side of the workbench, a limit opening is arranged on the front side of the support column, a guide groove opening is arranged on one side of the support column, a welding mechanism is arranged in the guide groove opening, an electric telescopic rod is fixedly connected on the top end of the support column, brackets are fixedly connected on two sides of the electric telescopic rod, a clamping mechanism is arranged on the other side of the workbench, a collecting mechanism is arranged on the top of the workbench, a slide rail is arranged in the welding mechanism, a rack is fixedly connected on the top end of the slide rail, a first gear is meshed with the top end of the rack, a rotating rod is connected in a sleeved mode inside the first gear, supporting plates are fixedly connected on two sides of the rotating rod, a feeding knob is fixedly connected on the front side of the supporting plates, the bottom of slide rail is connected with the roller bearing, and the positive fixedly connected with slider of slide rail, the surface of slider cup joints and is connected with the spout, and is fixed connection between spout and the backup pad, the bottom fixedly connected with support frame of backup pad, and be connected for the gomphosis between support frame and the roller bearing, the positive fixedly connected with stopper of support frame, and be connected for cup jointing between stopper and the spacing mouth, a swing joint of slide rail has the aircraft nose, and the positive fixedly connected with locking knob of aircraft nose.

In order to make its double-deck nest of tubes founding welding machine can go up and down to remove, conduct the utility model discloses a double-deck nest of tubes founding welding machine, institute's electric telescopic handle passes through to constitute extending structure between backup pad and the support frame, and the support frame passes through to constitute sliding structure between stopper and the spacing mouth.

In order to can be when adjusting welding machine welding angle, as the utility model discloses a double-deck pipe assemblage welding machine, the bull stick passes backup pad and feed knob fixed connection, and the gear passes through to constitute the knob structure between bull stick and the feed knob, the slide rail passes through to constitute the roll structure between roller bearing and the support frame, and the slide rail passes through to constitute sliding construction between slider and the spout, the locking knob passes through to constitute locking structure between aircraft nose and the slide rail.

In order to clamp tube groups of different types, the double-layer tube group vertical welding machine of the utility model is characterized in that the clamping mechanism comprises a rotating column, the bottom end of the rotating column is fixedly connected with a first rotating shaft, the surface of the rotating column is connected with a second gear in a sleeved mode, one side of the second gear is meshed with a third gear, the bottom end of the third gear is fixedly connected with a servo motor, the servo motor is fixedly connected with a workbench, the top end of the workbench is fixedly connected with a C-shaped support plate, the C-shaped support plate is connected with the rotating column in a sleeved mode, the top end of the rotating column is fixedly connected with a plurality of hydraulic telescopic rods, two sides of each hydraulic telescopic rod are fixedly connected with a first movable hinge, the bottom end of the first movable hinge is fixedly connected with a driving connecting rod, the top end of the driving connecting rod is fixedly connected with a second movable hinge, the surface of the second movable hinge is fixedly connected with a, and the bottom end of the clamping rod is fixedly connected with a third movable hinge, and the third movable hinge is fixedly connected with the hydraulic telescopic rod.

In order to change by the welded pipe, as the utility model discloses a double-deck pipe assemblage welding machine, the rotation post passes through to constitute rotating-structure between second gear and the third gear, and hydraulic telescoping rod passes through to constitute rotating-structure between rotation post and the first axis of rotation.

In order to collect and handle welded waste material, as the utility model discloses a double-layer tube assembly founds welding machine, the inside of collecting the mechanism is including the threaded rod, and the both sides fixedly connected with second axis of rotation of threaded rod, second axis of rotation opposite side fixedly connected with fixed plate, and one side fixedly connected with crank of fixed plate, the first half funnel of top fixedly connected with of fixed plate, and the laminating of one side of the first half funnel is connected with half funnel of second, one side fixedly connected with fly leaf of half funnel of second, the inside of its second fly leaf cup joints and is connected with the slide bar, and is threaded connection between slide bar and the threaded rod.

In order to can not keep off the centre gripping steel pipe to realizing opening and shutting of funnel, handle the waste material in the aggregate box, conduct the utility model discloses a double-deck pipe group founds welding machine, the crank passes fixed plate and second axis of rotation fixed connection, and the threaded rod passes through to constitute revolution mechanic between second axis of rotation and the fixed plate, half funnel of second passes through to constitute sliding construction between fly leaf and the slide bar, half funnel of second passes through to constitute the open-close structure between fly leaf and the first half funnel.

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

1. according to the double-layer pipe assembly vertical welding machine, the welding mechanism can be driven to move in the guide groove opening through the electric telescopic rod under the action of the welding mechanism, the function of vertical welding is achieved, the feeding knob is rotated, the sliding rail can be controlled to move, the distance between the machine head and a welded steel pipe is adjusted, the welding angle of the machine head can be adjusted by rotating the locking knob, the sliding rail can slide smoothly in the sliding process through the movement of the rolling shaft, and the stability of the sliding rail movement can be kept through the sliding groove and the sliding block;

2. this kind of double-deck nest of tubes founds welding machine, under fixture's effect, under servo motor drives, it rotates to drive the rotation post through third gear and fourth gear, realize automatic switch-over welded pipe, need not shut down the circulation welding, welding efficiency is greatly improved, C type extension board and first axis of rotation can support the fixed of rotation post rotation and position, prevent that it from rotating the in-process and rocking, give ascending power of third activity hinge through hydraulic telescoping rod, the third uses the third activity hinge as the fulcrum, the second activity hinge receives the pulling force of movable connecting rod and, make the clamping bar receive the ascending thrust of the downward pulling force of second activity hinge and third activity hinge simultaneously, thereby make the clamping bar open, can adapt to the welding of different model steel pipes through this structure.

3. This kind of double-deck nest of tubes founds welding machine under the effect of collecting the mechanism, can drive the rotation of second axis of rotation through waveing the crank and rotate, drives the fly leaf by the threaded rod and moves on the slide bar, and the direction of motion of fly leaf can be fixed to the slide bar, prevents that it from rotating along with the threaded rod, makes half funnel of second be close to half first funnel then, makes it become a complete funnel, can collect waste residue environmental protection through the funnel.

Drawings

FIG. 1 is an overall structure diagram of a double-layer tube assembling welder according to the present invention;

FIG. 2 is a schematic structural view of a welding mechanism according to the present invention;

FIG. 3 is an enlarged schematic structural view of the welding mechanism A of the present invention;

FIG. 4 is a schematic structural view of the clamping mechanism of the present invention;

fig. 5 is a schematic structural view of the clamping mechanism of the present invention from above;

fig. 6 is a schematic structural view of the middle collecting mechanism of the present invention.

In the figure, 1, a workbench; 2. a support pillar; 3. a limiting port; 4. a guide slot opening; 5. a welding mechanism; 6. an electric telescopic rod; 7. a support; 8. a clamping mechanism; 9. a collection mechanism; 501. a slide rail; 502. a rack; 503. a first gear; 504. a rotating rod; 505. a support plate; 506. a feed knob; 507. a roller; 508. a slider; 509. a chute; 5010. a support frame; 5011. a limiting block; 5012. a machine head; 5013. locking the knob; 801. rotating the column; 802. a first rotating shaft; 803. a second gear; 804. a third gear; 805. a servo motor; 806. a C-shaped support plate; 807. a hydraulic telescopic rod; 808. a first living hinge; 809. a drive link; 8010. a second living hinge; 8011. a clamping bar; 8012. a third living hinge; 901. a threaded rod; 902. A second rotating shaft; 903. a fixing plate; 904. a crank; 905. a first half funnel; 906. a second half funnel; 907. a movable plate; 908. a slide bar.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-5, the present invention provides a technical solution: a double-layer pipe assembly vertical welding machine comprises a workbench 1, a support column 2 is fixed on one side of the workbench 1, a limit opening 3 is formed in the front surface of the support column 2, a guide groove opening 4 is formed in one side of the support column 2, a welding mechanism 5 is installed in the guide groove opening 4, an electric telescopic rod 6 is fixedly connected to the top end of the support column 2, brackets 7 are fixedly connected to two sides of the electric telescopic rod 6, a clamping mechanism 8 is installed on the other side of the workbench 1, a collecting mechanism 9 is installed on the top of the workbench 1, a sliding rail 501 is included in the welding mechanism 5, a rack 502 is fixedly connected to the top end of the sliding rail 501, a first gear 503 is meshed and connected to the top end of the rack 502, a rotating rod 504 is connected to the inner portion of the first gear 503 in a sleeved mode, supporting plates 505 are fixedly connected to two sides of the rotating rod 504, a feeding knob 506 is fixedly connected, the bottom end of the sliding rail 501 is connected with a rolling shaft 507, the front face of the sliding rail 501 is fixedly connected with a sliding block 508, the surface of the sliding block 508 is connected with a sliding groove 509 in a sleeved mode, the sliding groove 509 is fixedly connected with the supporting plate 505, the bottom end of the supporting plate 505 is fixedly connected with a supporting frame 5010, the supporting frame 5010 is connected with the rolling shaft 507 in a embedded mode, the front face of the supporting frame 5010 is fixedly connected with a limiting block 5011, the limiting block 5011 is connected with a limiting opening 3 in a sleeved mode, a machine head 5012 is movably connected to the sliding rail 501, and a locking knob 5013 is fixedly.

In this embodiment: the welding mechanism 5 can be driven to move in the guide groove opening 4 through the movement of the electric telescopic rod 6, the function of vertical welding is achieved, the limiting block 5011 fixedly connected with the front face of the support frame 5010 in the welding mechanism 5 is sleeved in the limiting opening 3, the moving direction of the welding mechanism 5 can be limited, and the welding mechanism 5 is kept not to shake left and right in the up-and-down moving process.

Specifically, the method comprises the following steps: the electric telescopic rod 6 forms a telescopic structure between the supporting plate 505 and the supporting frame 5010, and the supporting frame 5010 forms a sliding structure between the limiting block 5011 and the limiting opening 3.

In this embodiment: the locking knob 5013 is rotated, the machine head 5012 and the sliding rail 501 are loosened, the machine head 5012 is rotated to be adjusted to a required welding angle, the machine head 5012 is locked by rotating the locking knob 5013 to prevent the machine head 5012 from loosening, the sliding rail 501 can slide smoothly in the sliding process through the movement of the rolling shaft 507, and the movement stability of the sliding rail 501 can be kept through the sliding groove 509 and the sliding block 508.

Specifically, the method comprises the following steps: the rotating rod 504 penetrates through the supporting plate 505 to be fixedly connected with the feeding knob 506, the first gear 503 forms a knob structure through the rotating rod 504 and the feeding knob 506, the sliding rail 501 forms a rolling structure through the roller 507 and the supporting frame 5010, the sliding rail 501 forms a sliding structure through the slider 508 and the sliding groove 509, and the locking knob 5013 forms a locking structure through the handpiece 5012 and the sliding rail 501.

In this embodiment: the feeding knob 506 is rotated to drive the rotating rod 504 to rotate, the rotating rod 504 can drive the first gear 503 to rotate, the first gear 503 drives the rack 502 to move left and right, the surface movement of the sliding rail 501 on the roller 507 can be controlled, and in the moving process of the sliding rail 501, the sliding rail 501 drives the sliding block 508 to move in the sliding groove 509, so that the sliding rail 501 is stable and smooth in the moving process, and the distance between the machine head 5012 and a welded steel pipe is adjusted through the sliding rail 501.

Specifically, the method comprises the following steps: the interior of the clamping mechanism 8 comprises a rotating column 801, a first rotating shaft 802 is fixedly connected to the bottom end of the rotating column 801, a second gear 803 is connected to the surface of the rotating column 801 in a sleeved mode, a third gear 804 is connected to one side of the second gear 803 in a meshed mode, a servo motor 805 is fixedly connected to the bottom end of the third gear 804, the servo motor 805 is fixedly connected to the workbench 1, a C-shaped support plate 806 is fixedly connected to the top end of the workbench 1, the C-shaped support plate 806 is connected to the rotating column 801 in a sleeved mode, a plurality of hydraulic telescopic rods 807 are fixedly connected to the top end of the rotating column 801, first movable hinges 808 are fixedly connected to two sides of each hydraulic telescopic rod 807, a driving connecting rod 809 is fixedly connected to the bottom end of each first movable hinge 808, a second movable hinge 8010 is fixedly connected to the top end of each driving connecting rod 809, a clamping rod 8011 is fixedly connected to, and the bottom end of the clamping bar 8011 is fixedly connected with a third movable hinge 8012, and the third movable hinge 8012 is fixedly connected with the hydraulic telescopic bar 807.

In this embodiment: the C-shaped support plate 806 and the first rotating shaft 802 can support the rotation and position fixation of the rotating column 801, so that the swinging of the rotating column in the rotating process is prevented, an upward force is applied to the third movable hinge 8012 through the hydraulic telescopic rod 807, the third movable hinge 8012 is taken as a fulcrum, the second movable hinge 8010 is subjected to a pulling force of the driving connecting rod 809, the clamping rod 8011 is simultaneously subjected to a downward pulling force of the second movable hinge 8010 and an upward pushing force of the third movable hinge 8012, the clamping rod 8011 is opened, and the structure can be suitable for welding of steel pipes of different models.

Specifically, the method comprises the following steps: the rotation column 801 is configured to rotate through the second gear 803 and the third gear 804, and the hydraulic telescopic rod 807 is configured to rotate through the rotation column 801 and the first rotation shaft 802.

In this embodiment: under the drive of the servo motor 805, the third gear 804 drives the second gear 803 to rotate, the second gear 803 drives the rotating column 801 to rotate, and the rotating column 801 drives the hydraulic telescopic rod 807 to rotate, so that the welded pipe can be automatically switched, the machine does not need to be stopped for circular welding, and the welding efficiency is greatly improved.

Specifically, the method comprises the following steps: the inside of collecting mechanism 9 is including threaded rod 901, and the both sides fixedly connected with second axis of rotation 902 of threaded rod 901, second axis of rotation 902 opposite side fixedly connected with fixed plate 903, and one side fixedly connected with crank 904 of fixed plate 903, the first half funnel 905 of top fixedly connected with of fixed plate 903, and the laminating of one side of first half funnel 905 is connected with half funnel 906 of second, one side fixedly connected with fly leaf 907 of half funnel 906 of second, the inside cup joint of its second fly leaf 907 is connected with slide bar 908, and be threaded connection between slide bar 908 and the threaded rod 901.

In this embodiment: the crank 904 is shaken to drive the second rotating shaft 902 to rotate, the second rotating shaft 902 rotates to drive the threaded rod 901 to rotate, the threaded rod 901 drives the movable plate 907 to move on the sliding rod 908, and the sliding rod 908 can fix the moving direction of the movable plate 907 and prevent the movable plate 907 from rotating along with the rotation of the threaded rod 901.

Specifically, the method comprises the following steps: the crank 904 penetrates through the fixing plate 903 and is fixedly connected with the second rotating shaft 902, the threaded rod 901 forms a rotating structure through the second rotating shaft 902 and the fixing plate 903, the second half hopper 906 forms a sliding structure through the movable plate 907 and the sliding rod 908, and the second half hopper 906 forms an opening and closing structure through the movable plate 907 and the first half hopper 905

In this embodiment: the movable plate 907 is driven to move on the sliding rod 908 through the threaded rod 901, the sliding rod 908 fixes the moving direction of the movable plate 907, the second half hopper 906 is close to the first half hopper 905, the first half hopper 905 and the second half hopper 906 form a complete hopper, waste residues can be collected through the hopper, and after the end of welding is finished, the waste residues are cleaned away, so that the environment is protected.

The working principle is as follows: when the device is used, firstly, the hydraulic telescopic rod 807 is started, the hydraulic telescopic rod 807 gives an upward force to the third movable hinge 8012, and the third movable hinge 8012 is taken as a fulcrum, the second movable hinge 8010 is subjected to a pulling force of the driving connecting rod 809, so that the clamping rod 8011 is simultaneously subjected to a downward pulling force of the second movable hinge 8010 and an upward pushing force of the third movable hinge 8012, so that the clamping rod 8011 is opened, a pipe is put in, then the hydraulic telescopic rod 807 is started, the hydraulic telescopic rod 807 is contracted downwards, so that the clamping rod 8011 is tightened, the crank 904 is shaken to drive the second rotating shaft 902 to rotate, the threaded rod 901 drives the movable plate 907 to move on the sliding rod 908, so that the second half funnel 906 approaches to the first half funnel 905 to form a complete funnel 807, the electric telescopic rod 6 is started, the welding mechanism 5 is released to a welding knob of the steel pipe, and the feeding knob 506 is rotated, the rack 502 is driven to move left and right, so that the sliding rail 501 is driven to move left and right on the roller 507, the sliding block 508 and the sliding groove 509 can keep the sliding stability of the sliding rail 501 in the sliding process, the locking knob 5013 is rotated to loosen the space between the machine head 5012 and the sliding rail 501, the welding angle of the machine head 5012 is adjusted, the locking knob 5013 is rotated again, the welding machine is locked, the welding machine is opened, the electric telescopic rod 6 is started again to enable the welding machine to slide downwards along a welding seam for welding, waste materials generated in the welding process can be collected through the first half hopper 905 and the second half hopper 906, after a pipe is welded, the servo motor 805 drives the third gear 804 to rotate, the third gear 804 rotates to drive the second gear 803 to rotate, the rotating column 801 is driven to rotate, and the.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a double-deck pipe group founds welding machine, includes workstation (1), its characterized in that: the automatic welding machine is characterized in that a supporting column (2) is fixed on one side of the workbench (1), a limiting opening (3) is openly formed in the supporting column (2), a guide groove opening (4) is formed in one side of the supporting column (2), a welding mechanism (5) is installed in the guide groove opening (4), an electric telescopic rod (6) is fixedly connected to the top end of the supporting column (2), a support (7) is fixedly connected to two sides of the electric telescopic rod (6), a clamping mechanism (8) is installed on the other side of the workbench (1), a collecting mechanism (9) is installed at the top of the workbench (1), a sliding rail (501) is arranged in the welding mechanism (5), a rack (502) is fixedly connected to the top end of the sliding rail (501), a first gear (503) is meshed with the top end of the rack (502), and a rotating rod (504) is connected to the inside of, and both sides of the rotating rod (504) are fixedly connected with a supporting plate (505), the front surface of the supporting plate (505) is fixedly connected with a feeding knob (506), the supporting plate (505) is fixedly connected with the electric telescopic rod (6), the bottom end of the sliding rail (501) is connected with a rolling shaft (507), the front surface of the sliding rail (501) is fixedly connected with a sliding block (508), the surface of the sliding block (508) is connected with a sliding groove (509) in a sleeved mode, the sliding groove (509) is fixedly connected with the supporting plate (505), the bottom end of the supporting plate (505) is fixedly connected with a supporting frame (5010), the supporting frame (5010) is connected with the rolling shaft (507) in a jogged mode, the front surface of the supporting frame (5010) is fixedly connected with a limiting block (5011), the limiting block (5011) is connected with a limiting opening (3) in a sleeved mode, and a movable connection, and the front surface of the machine head (5012) is fixedly connected with a locking knob (5013).

2. A twin tube gang welder as in claim 1, wherein: the electric telescopic rod (6) forms a telescopic structure through the supporting plate (505) and the supporting frame (5010), and the supporting frame (5010) forms a sliding structure through the limiting block (5011) and the limiting opening (3).

3. A twin tube gang welder as in claim 1, wherein: the rotary rod (504) penetrates through the supporting plate (505) and is fixedly connected with the feeding knob (506), the rack (502) forms a knob structure between the rotary rod (504) and the feeding knob (506), the sliding rail (501) forms a rolling structure between the rolling shaft (507) and the supporting frame (5010) through the sliding shaft, the sliding rail (501) forms a sliding structure between the sliding block (508) and the sliding groove (509) through the sliding block, and the locking knob (5013) forms a locking structure between the machine head (5012) and the sliding rail (501) through the machine head (5012).

4. A twin tube gang welder as in claim 1, wherein: the inside of the clamping mechanism (8) comprises a rotating column (801), the bottom end of the rotating column (801) is fixedly connected with a first rotating shaft (802), the surface of the rotating column (801) is connected with a second gear (803) in a sleeved mode, one side of the second gear (803) is connected with a third gear (804) in a meshed mode, the bottom end of the third gear (804) is fixedly connected with a servo motor (805), the servo motor (805) is fixedly connected with the workbench (1), the top end of the workbench (1) is fixedly connected with a C-shaped support plate (806), the C-shaped support plate (806) is connected with the rotating column (801 in a sleeved mode, the top end of the rotating column (801) is fixedly connected with a plurality of hydraulic telescopic rods (807), two sides of the hydraulic telescopic rods (807) are fixedly connected with first movable hinges (808), the bottom end of the first movable hinges (808) is fixedly connected with a driving connecting rod (809), and the top end of the driving connecting rod (809) is fixedly connected with a second movable hinge (8010), the surface of the second movable hinge (8010) is fixedly connected with a clamping rod (8011), the bottom end of the clamping rod (8011) is fixedly connected with a third movable hinge (8012), and the third movable hinge (8012) is fixedly connected with a hydraulic telescopic rod (807).

5. A twin tube gang welder as in claim 4, wherein: the rotating column (801) and the third gear (804) form a rotating structure through the second gear (803), and the hydraulic telescopic rod (807) and the first rotating shaft (802) form a rotating structure through the rotating column (801).

6. A twin tube gang welder as in claim 1, wherein: the inside of collecting mechanism (9) is including threaded rod (901), and both sides fixedly connected with second axis of rotation (902) of threaded rod (901), second axis of rotation (902) opposite side fixedly connected with fixed plate (903), and one side fixedly connected with crank (904) of fixed plate (903), the first half funnel (905) of top fixedly connected with of fixed plate (903), and the laminating of one side of first half funnel (905) is connected with half funnel (906) of second, one side fixedly connected with fly leaf (907) of half funnel (906) of second, the inside cup joint of its second fly leaf (907) is connected with slide bar (908), and is threaded connection between slide bar (908) and threaded rod (901).

7. A twin tube gang welder as in claim 6, wherein: the crank (904) penetrates through the fixed plate (903) and is fixedly connected with the second rotating shaft (902), the threaded rod (901) forms a rotating structure through the second rotating shaft (902) and the fixed plate (903), the second half funnel (906) forms a sliding structure through the movable plate (907) and the sliding rod (908), and the second half funnel (906) forms an opening and closing structure through the movable plate (907) and the first half funnel (905).