Automatic adjusting metal pipeline welding machining device

Abstract

The invention discloses an automatic adjusting metal pipeline welding machining device, and particularly relates to the technical field of pipeline welding, the automatic adjusting metal pipeline welding machining device comprises a first supporting mechanism, a second supporting mechanism is arranged on one side of the first supporting mechanism, and the first supporting mechanism and the second supporting mechanism are of a symmetrical distribution structure; a welding mechanism is arranged between the first supporting mechanism and the second supporting mechanism; the first supporting mechanism comprises a plurality of first adjusting pieces, the first adjusting pieces are distributed in an annular array mode, and a second adjusting piece is arranged between every two adjacent first adjusting pieces. The inner side or the outer side of the pipeline can be flexibly selected to be welded according to different requirements of welding of the inner side and the outer side of the pipeline, the distance between the multiple first driving wheels can be flexibly adjusted according to the caliber of the pipeline, device positioning is conducted, and therefore surrounding type automatic welding machining can be conveniently conducted on the pipelines with different calibers.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of pipeline welding, in particular to an automatic adjusting metal pipeline welding processing device. BACKGROUND

[0002] The metal pipeline is a tubular product made of metal material, which is widely used in liquid, gas transportation, structural support, mechanical manufacturing and other fields, has excellent corrosion resistance, high strength, high temperature resistance and pressure resistance and other performances, and is suitable for various complex working conditions. The metal pipeline needs to be welded during production and processing. The traditional large metal pipeline welding is mostly manually welded. The operating personnel hold the welding head to weld the outside of the welding position of the two metal pipelines. The manual welding efficiency is generally low. In addition, when some metal pipelines with complex installation environment are encountered, it is not convenient to weld from the outside, so manual drilling into the metal pipeline for welding is required, which is troublesome and has certain influence on the welding quality. Therefore, we propose an automatic adjusting metal pipeline welding processing device to solve the above problems. SUMMARY

[0003] The purpose of the present application is to provide an automatic adjusting metal pipeline welding processing device to solve the problems in the background art.

[0004] To achieve the above purpose, the present application provides the following technical scheme: an automatic adjusting metal pipeline welding processing device, comprising a first supporting mechanism, one side of the first supporting mechanism is provided with a second supporting mechanism, the first supporting mechanism and the second supporting mechanism are symmetrically distributed, and a welding mechanism is arranged between the first supporting mechanism and the second supporting mechanism. The first supporting mechanism comprises a first adjusting member, the first adjusting member is provided with a plurality of groups arranged in an annular array, a second adjusting member is arranged between the first adjusting members of adjacent two groups, the structure of the second supporting mechanism is the same as that of the first supporting mechanism, and the welding mechanism is fixedly installed between the second adjusting members of one of the first supporting mechanism and the second supporting mechanism.

[0005] Preferably, the first adjusting part comprises a first bottom plate, first side frames are vertically installed at both ends of the first bottom plate, first rotating shafts are rotatably installed at both ends of the first side frame, first rotating seats are vertically installed at the outer sides of the first rotating shafts, first telescopic outer frames are fixedly installed on the first rotating seats, the two first telescopic outer frames are in a symmetrical distribution structure, first fixing seats are arranged at the ends of the first telescopic outer frames away from the first rotating seats, first telescopic cylinders are fixedly installed in the first telescopic outer frames, the driving ends of the first telescopic cylinders and the corresponding first fixing seats are fixedly installed, first side frames are vertically installed at the ends of the first fixing seats away from the first telescopic outer frames, first driving shafts are rotatably installed on the first side frames, first driving wheels are fixedly installed at the outer sides of the first driving shafts, first gears are fixedly installed at the outer sides of the first rotating shafts, the two first gears are in meshing connection, and the first rotating seat and the first gear are located between the two first side frames.

[0006] Preferably, the outer side of one of the first side frames is fixedly installed with a first motor, and the driving end of the first motor and the shaft end of the corresponding first rotating shaft are fixedly installed.

[0007] Preferably, the outer side of one of the first side frames is fixedly installed with a first motor, and the driving end of the first motor and the shaft end of the corresponding first rotating shaft are fixedly installed.

[0008] Preferably, the outer side of one of the first side frames is fixedly installed with a first motor, and the driving end of the first motor and the shaft end of the corresponding first rotating shaft are fixedly installed.

[0009] Preferably, the second adjusting part comprises a second bottom plate, second side frames are vertically installed at both ends of the second bottom plate, second rotating shafts are rotatably installed at both ends of the second side frame, second rotating seats are vertically installed at the outer sides of the second rotating shafts, second telescopic outer frames are fixedly installed on the second rotating seats, the two second telescopic outer frames are in a symmetrical distribution structure, second fixing seats are arranged at the ends of the second telescopic outer frames away from the second rotating seats, second telescopic cylinders are fixedly installed in the second telescopic outer frames, the driving ends of the second telescopic cylinders and the corresponding second fixing seats are fixedly installed, second side frames are vertically installed at the ends of the second fixing seats away from the second telescopic outer frames, second gears are fixedly installed at the outer sides of the second rotating shafts, the two second gears are in meshing connection, and the second rotating seat and the second gear are located between the two second side frames.

[0010] Preferably, the outer side of one of the second side frames is fixedly provided with a third motor, and the driving end of the third motor is fixedly provided with the shaft end of the corresponding second rotating shaft.

[0011] Preferably, the second side frame is provided with a mounting horizontal groove corresponding to the position of the first driving shaft, the second adjusting member is movably mounted on the end of the corresponding first driving shaft through the mounting horizontal groove, and the end of the first driving shaft close to the second side frame is threadedly provided with a fastening nut in contact with the outer wall of the second side frame.

[0012] Preferably, the welding mechanism comprises a U-shaped base, mounting seats are vertically mounted on both ends of the U-shaped base, a lifting base is slidably mounted on the inner side of the U-shaped base, two supporting vertical frames are vertically mounted on the top end of the lifting base, welding head mounting racks are arranged on the top of the two supporting vertical frames, metal pipe welding heads are detachably mounted on the middle part of the welding head mounting racks, third rotating shafts are fixedly mounted on both ends of the welding head mounting racks, the third rotating shafts are rotatably mounted on the top of the supporting vertical frames, fastening bolts are threadedly mounted on the top of the supporting vertical frames, the end of the fastening bolt is in contact with the outer wall of the third rotating shaft, and a third telescopic cylinder is fixedly mounted on the middle part of the U-shaped base, and the driving end of the third telescopic cylinder is fixedly mounted on the middle part of the lifting base.

[0013] Preferably, the welding mechanism is fixedly mounted on the corresponding second bottom plate of the first supporting mechanism and the second supporting mechanism through the mounting seat.

[0014] Compared with the prior art, the present application has the following beneficial effects: 1. By arranging the first supporting mechanism and the second supporting mechanism, the entire welding processing device can be automatically moved on the pipe, and the pipe can be automatically welded and fixed in a surrounding manner at multiple positions, thereby improving the use effect of the entire device and the welding efficiency of the pipe.

[0015] 2. By arranging the first supporting mechanism and the second supporting mechanism, the inside or outside of the pipe can be welded flexibly according to different welding requirements of the inside and outside of the pipe, and the spacing of the plurality of first driving wheels can be flexibly adjusted according to the caliber size of the pipe to position the device, thereby facilitating the automatic welding processing of pipes of different caliber sizes in a surrounding manner.

[0016] 3. By arranging the welding mechanism, the metal pipe welding head is lifted to adjust the spacing between the metal pipe welding head and the welded pipe, thereby facilitating the automatic close-range welding of the metal pipe welding head on the welded pipe. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to make the technical solutions in the embodiments of the present application or the prior art clearer, the accompanying drawings needed in the embodiments or prior art description will be briefly introduced. Obviously, the accompanying drawings in the following description only show some embodiments of the present application, and for those skilled in the art, other drawings can be obtained from these drawings without any creative effort.

[0018] Figure 1 Structure schematic diagram of the present application.

[0019] Figure 2 Structure connection schematic diagram of the present application after splitting.

[0020] Figure 3 Structure schematic diagram of the first supporting mechanism in the present application.

[0021] Figure 4 Structure schematic diagram of the first adjusting member in the present application.

[0022] Figure 5 Structure schematic diagram of the second adjusting member in the present application.

[0023] Figure 6 Structure schematic diagram of the welding mechanism in the present application.

[0024] Figure 7 Structure schematic diagram of another state of the present application.

[0025] Figure 8 Structure plane schematic diagram of the present application.

[0026] Figure 9 Structure plane schematic diagram of another state of the present application.

[0027] In the diagram: 1. First support mechanism; 2. Second support mechanism; 3. Welding mechanism; 4. First adjusting component; 5. Second adjusting component; 6. Fastening nut; 41. First base plate; 411. First side frame; 42. First rotating shaft; 421. First rotating seat; 43. First telescopic outer frame; 431. First telescopic cylinder; 44. First fixed seat; 441. First side frame; 45. First drive shaft; 451. First drive wheel; 46. First gear; 461. First motor; 47. Auxiliary support frame; 471. Moving shaft; 472. Moving wheel; 473. Fourth motor 48. Second motor; 51. Second base plate; 52. Second side frame; 53. Second rotating shaft; 531. Second rotating seat; 532. Second gear; 54. Second telescopic outer frame; 541. Second telescopic cylinder; 55. Second fixed seat; 551. Second side frame; 552. Mounting cross slot; 56. Third motor; 31. U-shaped base; 311. Mounting seat; 32. Lifting base; 321. Supporting longitudinal frame; 33. Welding head mounting bracket; 331. Third rotating shaft; 332. Fastening bolt; 34. Metal pipe welding head; 35. Third telescopic cylinder. Detailed Implementation

[0028] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0029] Example: Figures 1-9 As shown, the present invention provides an automatically adjustable metal pipe welding processing device, including a first support mechanism 1, a second support mechanism 2 provided on one side of the first support mechanism 1, the first support mechanism 1 and the second support mechanism 2 are symmetrically distributed, and a welding mechanism 3 is provided between the first support mechanism 1 and the second support mechanism 2. The first support mechanism 1 includes a first adjusting member 4, which has multiple sets arranged in a ring array. A second adjusting member 5 is provided between each two adjacent sets of first adjusting members 4. The structure of the second support mechanism 2 is the same as that of the first support mechanism 1. The welding mechanism 3 is fixedly installed between one of the second adjusting members 5 in the first support mechanism 1 and the second support mechanism 2.

[0030] The first adjusting part 4 comprises a first bottom plate 41, both ends of the first bottom plate 41 are vertically provided with a first side frame 411, both ends of the first side frame 411 are rotationally provided with a first rotating shaft 42, the outer side of the first rotating shaft 42 is vertically provided with a first rotating seat 421, the first rotating seat 421 is fixedly provided with a first telescopic outer frame 43, two first telescopic outer frames 43 are symmetrically distributed, one end of the first telescopic outer frame 43 away from the first rotating seat 421 is provided with a first fixing seat 44, the first telescopic outer frame 43 is fixedly provided with a first telescopic cylinder 431, the driving end of the first telescopic cylinder 431 is fixedly provided with the corresponding first fixing seat 44, one end of the first fixing seat 44 away from the first telescopic outer frame 43 is vertically provided with a first side frame 441, the first side frame 441 is driven to expand by opening the first telescopic cylinder 431, so as to increase the distance between the first side frame 441 and the first telescopic outer frame 43; the first side frame 441 is rotationally provided with a first driving shaft 45, the outer side of the first driving shaft 45 is fixedly provided with a first driving wheel 451; The outer side of the first rotating shaft 42 is fixedly provided with a first gear 46, two first gears 46 are meshingly connected, the first rotating seat 421 and the first gear 46 are located between the two first side frames 411; the outer side of one of the first side frames 411 is fixedly provided with a first motor 461, the driving end of the first motor 461 is fixedly provided with the corresponding shaft end of the first rotating shaft 42, the corresponding first rotating shaft 42 is driven to rotate by opening the first motor 461, and the two first gears 46 are meshingly connected to control the two first telescopic outer frames 43 to synchronously and reversely rotate.

[0031] Both ends of the first bottom plate 41 are vertically provided with an auxiliary support frame 47, one end of the auxiliary support frame 47 away from the first bottom plate 41 is rotationally provided with a moving shaft 471, the middle part of the moving shaft 471 is fixedly provided with a moving wheel 472, one of the auxiliary support frames 47 is fixedly provided with a fourth motor 473, the driving end of the fourth motor 473 is fixedly provided with the corresponding shaft end of the moving shaft 471, the rotating direction of the moving wheel 472 is perpendicular to the rotating direction of the first driving wheel 451, the first bottom plate 41 of a plurality of first adjusting parts 4 in the first supporting mechanism 1 is controlled to move towards each other, so that the outer wall of the moving wheel 472 contacts the outer wall of the pipeline, then the corresponding moving shaft 471 and the moving wheel 472 are driven to rotate by opening the fourth motor 473, so as to control the first supporting mechanism 1 to automatically move on the outer side of the pipeline, thereby controlling the entire welding processing device to automatically move on the outer side of the pipeline, facilitating automatic welding of multiple places of the pipeline, and improving the use effect of the entire device and the welding efficiency of the pipeline.

[0032] One of the first adjusting components 4 has a second motor 48 at both ends. The second motor 48 is fixedly installed on the corresponding first side frame 441. The drive end of the second motor 48 is fixedly installed on the shaft end of the corresponding first drive shaft 45. By turning on the second motor 48, the corresponding first drive shaft 45 and the first drive wheel 451 are driven to rotate. Since the outer wall of the first drive wheel 451 is in contact with the outer wall of the pipe, the first support mechanism 1 and the second support mechanism 2 are controlled to rotate on the outside of the pipe, so that the welding mechanism 3 can be controlled to rotate and automatically weld and fix the welding position of the pipe on both sides.

[0033] The second adjusting component 5 includes a second base plate 51. Second side frames 52 are vertically mounted at both ends of the second base plate 51. Second rotating shafts 53 are rotatably mounted at both ends of the second side frames 52. Second rotating seats 531 are vertically mounted on the outer sides of the second rotating shafts 53. Second telescopic outer frames 54 are fixedly mounted on each of the second rotating seats 531. The two second telescopic outer frames 54 are symmetrically distributed. A second fixed seat 55 is provided at the end of each second telescopic outer frame 54 away from the second rotating seat 531. A second telescopic cylinder 541 is fixedly mounted in each of the second telescopic outer frames 54. The driving end of the second telescopic cylinder 541 is fixedly mounted to the corresponding second fixed seat 55. A second side frame 551 is vertically mounted at the end of each second fixed seat 55 away from the second telescopic outer frame 54. By opening the second telescopic cylinder 541, the second side frame 551 is extended, increasing the distance between the second side frame 551 and the second telescopic outer frame 54. A second gear 532 is fixedly installed on the outer side of the second rotating shaft 53. The two second gears 532 are meshed together. The second rotating seat 531 and the second gear 532 are located between the two second side frames 52. A third motor 56 is fixedly installed on the outer side of one of the second side frames 52. The drive end of the third motor 56 is fixedly installed on the shaft end of the corresponding second rotating shaft 53. By turning on the third motor 56, the corresponding second rotating shaft 53 is driven to rotate. In conjunction with the meshing of the two second gears 532, the two second telescopic outer frames 54 are controlled to rotate synchronously in opposite directions.

[0034] The second side frame 551 has a mounting groove 552 corresponding to the position of the first drive shaft 45. The second adjusting member 5 is movably mounted on the end of the corresponding first drive shaft 45 through the mounting groove 552. A fastening nut 6 is threadedly installed on one end of the first drive shaft 45 near the second side frame 551. The fastening nut 6 contacts the outer wall of the second side frame 551 to allow for the movable installation between the second adjusting member 5 and the fastening nut 6 to limit the movement without affecting the rotation of the first drive shaft 45.

[0035] The welding mechanism 3 comprises a U-shaped base 31, both ends of the U-shaped base 31 are vertically provided with mounting seats 311, the welding mechanism 3 is fixedly installed on the corresponding second bottom plate 51 in the first supporting mechanism 1 and the second supporting mechanism 2 through the mounting seats 311, and the installation and fixation between the welding mechanism 3 and the first supporting mechanism 1 and the second supporting mechanism 2 are realized. The inner side of the U-shaped base 31 is slidably provided with a lifting base 32, the top end of the lifting base 32 is vertically provided with two supporting vertical frames 321, the top of each of the two supporting vertical frames 321 is provided with a welding head mounting frame 33, the middle part of the welding head mounting frame 33 is detachably provided with a metal pipeline welding head 34, both ends of the welding head mounting frame 33 are fixedly provided with third rotating shafts 331, the third rotating shafts 331 are rotatably installed on the top of the supporting vertical frame 321, the top of the supporting vertical frame 321 is threadedly provided with a fastening bolt 332, the end of the fastening bolt 332 is in contact with the outer wall of the third rotating shaft 331, before welding, the welding head mounting frame 33 is manually rotated to drive the third rotating shaft 331 to rotate, so that the angle of the metal pipeline welding head 34 is adjusted, and the fastening bolt 332 is rotated to be fixed, the middle part of the U-shaped base 31 is fixedly provided with a third telescopic cylinder 35, the driving end of the third telescopic cylinder 35 is fixedly installed on the middle part of the lifting base 32, the metal pipeline welding head 34 is controlled to ascend and descend by opening the third telescopic cylinder 35, so that the distance between the metal pipeline welding head 34 and the welding pipeline is adjusted, and the metal pipeline welding head 34 is convenient for automatic close-range welding on the welding pipeline.

[0036] Working principle: first, according to the pipeline welding mode, whether the pipeline is welded outside or inside is selected; If the pipeline is welded outside, the plurality of first adjusting pieces 4 and the second adjusting pieces 5 in the first supporting mechanism 1 and the second supporting mechanism 2 are sleeved outside the pipeline; The connection mode of the first adjusting piece 4 and the second adjusting piece 5 is that the second adjusting piece 5 is movably installed on the end of the corresponding first driving shaft 45 through the installation horizontal groove 552, and the fastening nut 6 is threadedly installed on the end of the first driving shaft 45 close to the second side frame 551, the fastening nut 6 is in contact with the outer wall of the second side frame 551, the movable installation between the second adjusting piece 5 and the second adjusting piece 5 is realized, and the position is limited through the fastening nut 6, and the rotation of the first driving shaft 45 is not affected; Until the plurality of first adjusting pieces 4 and the second adjusting pieces 5 are sleeved outside the pipeline and installed outside the pipeline; Subsequently, the first motor 461 in the plurality of first adjusting members 4 is opened synchronously to drive the corresponding first rotating shaft 42 to rotate, the two first gears 46 are engaged and connected, the two first telescopic outer frames 43 are controlled to rotate reversely synchronously, and the first telescopic cylinder 431 is opened synchronously to drive the first side frame 441 to stretch out or draw back, so that the plurality of first bottom plates 41 on the plurality of first adjusting members 4 in the first supporting mechanism 1 are controlled to move away from each other. The third motor 56 in the plurality of second adjusting members 5 is opened synchronously to drive the corresponding second rotating shaft 53 to rotate, the two second gears 532 are engaged and connected, the two second telescopic outer frames 54 are controlled to rotate reversely synchronously, and the second telescopic cylinder 541 is opened synchronously to drive the second side frame 551 to stretch out or draw back, so that the plurality of second bottom plates 51 on the plurality of second adjusting members 5 in the first supporting mechanism 1 are controlled to move away from each other. The plurality of moving wheels 472 are controlled to move close to each other until the outer wall of the moving wheel 472 contacts the outer wall of the pipeline, at this time, the first driving wheel 451 does not contact the outer wall of the pipeline. Subsequently, the fourth motor 473 is opened to drive the corresponding moving shaft 471 and moving wheel 472 to rotate, so that the first supporting mechanism 1 is controlled to move automatically on the outer side of the pipeline, and the entire welding processing device is controlled to move automatically on the outer side of the pipeline until the welding mechanism 3 moves to the welding position of the pipeline on both sides. Subsequently, the plurality of first bottom plates 41 on the plurality of first adjusting members 4 in the first supporting mechanism 1 are controlled to move away from each other, the plurality of second bottom plates 51 on the plurality of second adjusting members 5 in the first supporting mechanism 1 are controlled to move close to each other, and the plurality of first driving wheels 451 are controlled to move close to each other until the outer wall of the first driving wheel 451 contacts the outer wall of the pipeline, at this time, the moving wheel 472 does not contact the outer wall of the pipeline. Subsequently, the third telescopic cylinder 35 is opened to control the metal pipeline welding head 34 to ascend or descend, so that the distance between the metal pipeline welding head 34 and the welding pipeline is adjusted, and the metal pipeline welding head 34 is facilitated to automatically weld the welding pipeline at a close distance. Subsequently, the second motor 48 is opened to drive the corresponding first driving shaft 45 and first driving wheel 451 to rotate, since the outer wall of the first driving wheel 451 contacts the outer wall of the pipeline, the first supporting mechanism 1 and the second supporting mechanism 2 are controlled to rotate automatically on the outer side of the pipeline, so that the welding mechanism 3 is controlled to rotate automatically in the subsequent process, and the welding position of the pipeline on both sides is automatically welded and fixed in a circumferential manner. If the pipeline is welded internally, the plurality of first adjusting members 4 and the plurality of second adjusting members 5 are arranged in the pipeline after the first supporting mechanism 1 and the second supporting mechanism 2 are arranged. Wherein, when the inside welding of the pipe is carried out, the moving wheels 472 of the whole device are needed to be placed outside the device, so as to facilitate the contact between the moving wheels 472 and the inner wall of the pipe, then the plurality of moving wheels 472 are controlled to be away from each other until the outer wall of the moving wheels 472 is in contact with the inner wall of the pipe, at this time, the first driving wheels 451 are not in contact with the inner wall of the pipe; Then, the whole welding processing device is controlled to move automatically on the inside of the pipe until the welding mechanism 3 moves to the welding position of the two side pipes; Then, the plurality of first driving wheels 451 are controlled to be away from each other until the outer wall of the first driving wheels 451 is in contact with the inner wall of the pipe, at this time, the moving wheels 472 are not in contact with the inner wall of the pipe; Then, the welding mechanism 3 is controlled to rotate automatically, and the inside automatic welding fixation of the welding position of the two side pipes is carried out; In this way, according to the welding requirement of the pipe, the appropriate way can be flexibly selected to weld the pipe, and the distance between the plurality of first driving wheels 451 can be flexibly adjusted according to the size of the pipe to position the device, so as to facilitate the automatic welding processing of the pipe with different sizes.

[0037] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An automatically adjustable metal pipe welding processing device, comprising a first support mechanism (1), characterized in that: A second support mechanism (2) is provided on one side of the first support mechanism (1). The first support mechanism (1) and the second support mechanism (2) are symmetrically distributed. A welding mechanism (3) is provided between the first support mechanism (1) and the second support mechanism (2). The first support mechanism (1) includes a first adjusting member (4), which is provided with multiple sets arranged in a ring array. A second adjusting member (5) is provided between each two adjacent sets of the first adjusting members (4). The structure of the second support mechanism (2) is the same as that of the first support mechanism (1). The welding mechanism (3) is fixedly installed between one of the second adjusting members (5) in the first support mechanism (1) and the second support mechanism (2).

2. The automatically adjustable metal pipe welding and processing device according to claim 1, characterized in that: The first adjusting member (4) includes a first base plate (41), with a first side frame (411) vertically mounted at both ends of the first base plate (41). A first rotating shaft (42) is rotatably mounted at both ends of the first side frame (411). A first rotating seat (421) is vertically mounted on the outer side of the first rotating shaft (42). A first telescopic outer frame (43) is fixedly mounted on each of the first rotating seats (421). The two first telescopic outer frames (43) are symmetrically distributed. A first fixed seat (44) is provided at the end of each first telescopic outer frame (43) away from the first rotating seat (421). A first extension is fixedly mounted in each of the first telescopic outer frames (43). The first telescopic cylinder (431) is fixedly installed at the drive end and the corresponding first fixed seat (44). The first fixed seat (44) is vertically installed at the end away from the first telescopic outer frame (43). The first side frame (441) is rotatably installed on the first side frame (441). The first drive shaft (45) is fixedly installed on the outside of the first drive shaft (45). The first gear (46) is fixedly installed on the outside of the first rotating shaft (42). The two first gears (46) are meshed and connected. The first rotating seat (421) and the first gear (46) are located between the two first side frames (411).

3. The automatically adjustable metal pipe welding processing device according to claim 2, characterized in that: A first motor (461) is fixedly installed on the outer side of one of the first side frames (411), and the drive end of the first motor (461) and the shaft end of the corresponding first rotating shaft (42) are fixedly installed.

4. The automatically adjustable metal pipe welding and processing device according to claim 3, characterized in that: Auxiliary support frames (47) are vertically installed at both ends of the first base plate (41). A movable shaft (471) is rotatably installed at the end of the auxiliary support frame (47) away from the first base plate (41). A movable wheel (472) is fixedly installed in the middle of the movable shaft (471). A fourth motor (473) is fixedly installed on one of the auxiliary support frames (47). The drive end of the fourth motor (473) is fixedly installed on the shaft end of the corresponding movable shaft (471). The rotation direction of the movable wheel (472) is perpendicular to the rotation direction of the first drive wheel (451).

5. The automatically adjustable metal pipe welding and processing device according to claim 4, characterized in that: One of the first adjusting members (4) is provided with a second motor (48) at both ends. The second motor (48) is fixedly installed on the corresponding first side frame (441). The driving end of the second motor (48) and the shaft end of the corresponding first drive shaft (45) are fixedly installed.

6. The automatically adjustable metal pipe welding processing device according to claim 2, characterized in that: The second adjusting component (5) includes a second base plate (51), with second side frames (52) vertically mounted at both ends of the second base plate (51). A second rotating shaft (53) is rotatably mounted at both ends of the second side frame (52). A second rotating seat (531) is vertically mounted on the outer side of the second rotating shaft (53). A second telescopic outer frame (54) is fixedly mounted on each of the second rotating seats (531). The two second telescopic outer frames (54) are symmetrically distributed. A second fixed seat is provided at the end of each second telescopic outer frame (54) away from the second rotating seat (531). (55), a second telescopic cylinder (541) is fixedly installed in each of the second telescopic outer frames (54). The drive end of the second telescopic cylinder (541) and the corresponding second fixed seat (55) are fixedly installed. A second side frame (551) is vertically installed at the end of the second fixed seat (55) away from the second telescopic outer frame (54). A second gear (532) is fixedly installed on the outside of the second rotating shaft (53). The two second gears (532) are meshed and connected. The second rotating seat (531) and the second gear (532) are located between the two second side frames (52).

7. The automatically adjustable metal pipe welding and processing device according to claim 6, characterized in that: A third motor (56) is fixedly installed on the outer side of one of the second side frames (52), and the drive end of the third motor (56) and the shaft end of the corresponding second rotating shaft (53) are fixedly installed.

8. The automatically adjustable metal pipe welding processing device according to claim 6, characterized in that: The second side frame (551) has a mounting slot (552) corresponding to the position of the first drive shaft (45). The second adjusting member (5) is movably mounted on the end of the corresponding first drive shaft (45) through the mounting slot (552). A fastening nut (6) is threaded on one end of the first drive shaft (45) near the second side frame (551). The fastening nut (6) contacts the outer wall of the second side frame (551).

9. The automatically adjustable metal pipe welding processing device according to claim 6, characterized in that: The welding mechanism (3) includes a U-shaped base (31), with mounting seats (311) vertically installed at both ends of the U-shaped base (31). A lifting base (32) is slidably installed on the inner side of the U-shaped base (31). Two support frames (321) are vertically installed at the top of the lifting base (32). Each of the two support frames (321) is equipped with a welding head mounting frame (33). A metal pipe welding head (34) is detachably installed in the middle of the welding head mounting frame (33). (33) has a third rotating shaft (331) fixedly installed at both ends. The third rotating shaft (331) is rotatably installed on the top of the support frame (321). The top of the support frame (321) is threaded with a fastening bolt (332). The end of the fastening bolt (332) contacts the outer wall of the third rotating shaft (331). The middle part of the U-shaped base (31) is fixedly installed with a third telescopic cylinder (35). The drive end of the third telescopic cylinder (35) is fixedly installed with the middle part of the lifting base (32).

10. The automatically adjustable metal pipe welding processing device according to claim 9, characterized in that: The welding mechanism (3) is fixedly installed on the corresponding second base plate (51) of the first support mechanism (1) and the second support mechanism (2) respectively by the mounting base (311).

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