Automatic air-cooling roll welding machine

Abstract

The invention relates to an automatic air-filled cooling rolling welding machine, which has a base, a first cage door and a second cage door arranged on the base, and the first cage door and the second cage door are provided with through holes; the second cage door is provided with a welding assembly, the welding assembly includes a slewing bearing, a web plate, a rolling welding gun, and a copper table, the rolling welding gun includes a copper bar, a welding roller and a radiator, the radiator is coaxially arranged with the welding roller and fixedly connected, the radiator is located between the web plate and the welding roller, a heat dissipation channel for injecting coolant is provided in the radiator, the copper bar is fixed on the welding roller, the welding roller is also provided with an airway for the welding roller, the web plate is provided with a liquid storage tank and an air storage tank, the liquid storage tank injects coolant into the heat dissipation channel through a water pump, the air storage tank passes gas into the airway through an air pump, and the welding roller cooperates with the copper bar and the copper table to weld the steel skeleton. The invention can realize the automatic air filling and cooling of the welding roller, which is convenient and efficient.

Description

Technical Field

[0001] The invention relates to an automatic air-filled cooling seam welding machine. Background Art

[0002] The roll welding machine is a kind of equipment used to produce steel skeletons. Variable diameter steel skeletons are very common. The diameter of one end of this steel skeleton is larger than that of the other end. During the use of the roll welding machine, the welding plate on the roll welding machine is always rotating, and the diameter of the steel skeleton changes from large to small. In the process of the welding copper block rotating with the welding plate, the welding copper block needs to be always in contact with the steel skeleton, otherwise it will cause more points of desoldering in the finished steel skeleton and produce defective products. When the existing roll welding machine is rolling welding, because the welding roller needs to be close to the skeleton for welding, the high temperature generated during welding will continuously heat the welding roller, which will cause damage to the welding roller, affecting the service life of the welding roller and the quality of welding, which is very inconvenient. Summary of the invention

[0003] The purpose of the patent of the present invention is an automatic air-filled cooling roll welding machine, which can realize automatic air filling of the welding roller and timely cooling of the welding roller.

[0004] The technical scheme for realizing the purpose of the patent of the present invention is as follows: the patent of the present invention has a base, a first cage door and a second cage door arranged on the base relatively, the first cage door and the second cage door are both provided with through holes for the steel skeleton to pass through; the second cage door is provided with a welding assembly for welding the steel skeleton, the welding assembly includes a slewing bearing fixed in the through hole and coaxially arranged with the through hole, a web plate rotatably connected to the slewing bearing, a rolling welding gun arranged on the web plate, and a copper table fixed in the slewing bearing and coaxially arranged with the slewing bearing, the rolling welding gun includes a copper bar, a welding roller and a radiator, the radiator is coaxially arranged and fixedly connected with the welding roller, the radiator is located between the web plate and the welding roller, a heat dissipation channel for injecting coolant is provided in the radiator, the copper bar is fixed on the welding roller, the welding roller is also provided with an airway, the web plate is provided with a liquid storage tank and a gas storage tank, the liquid storage tank injects coolant into the heat dissipation channel through a water pump, the gas storage tank passes gas into the airway through an air pump, and the welding roller cooperates with the copper bar and the copper table to weld the steel skeleton.

[0005] The above-mentioned web plate is provided with an adjustment component for adjusting the distance between the axis of the rolling welding gun and the axis of the web plate, the adjustment component includes a first seat body and a second seat body fixed on the web plate, a first slider slidably arranged on the first seat body along the extension direction of the first seat body, a second slider slidably arranged on the second seat body along the extension direction of the second seat body, a welding gun arm plate and a driving cylinder, the first seat body is located below the second seat body, the extension direction of the first seat body and the extension direction of the second seat body are arranged parallel, one end of the driving cylinder is rotatably connected to the first slider, the telescopic end of the driving cylinder is rotatably connected to one end of the welding gun arm plate, the welding gun arm plate is rotatably connected to the second slider, the second slider is located between the driving cylinder and the radiator, and the radiator is fixed to the other end of the welding gun arm plate.

[0006] A sliding touch plate coaxially arranged with the welding roller is provided between the radiator and the welding roller, the copper bar is fixed on the sliding touch plate, and a buffer assembly for buffering the welding roller axis is also provided in the welding roller, the buffer assembly includes a bearing cylinder fixed in the sliding touch plate and the radiator, a plurality of rolling bearings fixed in the bearing cylinder and coaxially arranged in the bearing cylinder, and a central shaft fixed in the rolling bearing, the central shaft is fixed on the welding roller, the bearing cylinder is fixed on the welding gun arm plate, a plurality of insulating sleeves distributed on the welding gun arm plate along the axis of the bearing cylinder are fixed on the welding gun arm plate, an adjusting rod is slidably provided in each insulating sleeve, a through hole for each adjusting rod to pass through is provided on the radiator, a slot for each adjusting rod to be inserted is provided on the sliding touch plate, a reset spring is provided on each adjusting rod, one end of each reset spring is fixed on the corresponding insulating sleeve, and the other end of each reset spring is fixedly connected to the radiator.

[0007] The welding roller is provided with a plurality of heat dissipation grooves which are coaxially arranged with the welding roller, and the inner diameter of each heat dissipation groove decreases from the outside to the inside.

[0008] A box body is provided between the web plate and the second cage door, the box body is fixed on the web plate, the water pump and the air pump are fixed in the box body, a driving motor is provided in the box body, a transmission gear is fixedly provided at the output end of the driving motor, a driven gear coaxially arranged with the slewing bearing is provided on the outer wall of the slewing bearing, the web plate is connected to the second cage door by the rotation of the transmission gear driven by the driving motor, and the transmission gear and the driven gear are rotated in coordination with each other.

[0009] The cross-sections of the above-mentioned gas storage tank and liquid storage tank are both in an arc shape coaxially arranged with the web. Pipes are provided on the gas storage tank and the liquid storage tank. The gas storage tank is connected to the air pump through the pipe, and the air outlet of the air pump is connected to the airway through the pipe. The liquid storage tank is connected to the water pump through the pipe, and the water outlet of the water pump is connected to the heat dissipation channel through the pipe.

[0010] The gas storage tank and the liquid storage tank are both made of stainless steel, and the gas storage tank and the liquid storage tank on the web form a counterweight.

[0011] The first cage door is provided with an auxiliary component for assisting in pressing the steel bar skeleton, the auxiliary component comprises a rotating disk rotatably connected to the first cage door, a plurality of auxiliary cylinders circumferentially distributed on the rotating disk along the axis of the rotating disk, and a pressing block fixed to the telescopic end of the auxiliary cylinder. The rotating disk is coaxially arranged with the through hole on the first cage door, each auxiliary cylinder is fixed on the first cage door, and each pressing block is driven by the corresponding auxiliary cylinder to position the steel bar skeleton.

[0012] Each of the pressure blocks is a right-angle block with a right-angled cross section.

[0013] The above-mentioned pressure block includes a first pressure plate and a second pressure plate fixed to the first pressure plate, the first pressure plate and the second pressure plate are vertically arranged, the first pressure plate is rotatably connected to the first rotating plate, and the second pressure plate is rotatably connected to the second rotating plate, the rotation axis of the first rotating plate is arranged parallel to the axis of the base, and the rotation axis of the second rotating plate is also parallel to the axis of the base, the first rotating plate and the second rotating plate are arranged opposite to each other, the first rotating plate is provided with a first rotating shaft, and the second rotating plate is provided with a second rotating shaft, the first pressure plate is provided with a first rotating groove for the first rotating shaft to extend into and rotate therein, the second pressure plate is provided with a second rotating groove for the second rotating shaft to extend into and rotate therein, the first rotating groove is provided with a first torsion spring, the second rotating groove is provided with a second torsion spring, the first torsion spring is sleeved on the first rotating shaft, two ends of the first torsion spring are respectively fixedly connected to the first rotating groove and the first rotating shaft, the second torsion spring is sleeved on the second rotating shaft, and two ends of the second torsion spring are respectively fixedly connected to the second rotating groove and the second rotating shaft.

[0014] The present invention has positive effects: (1) The present invention sets a first cage door and a second cage door on the base, and welds the steel frame through the welding assembly on the second cage door through the cooperation of the copper table and the copper bar. During welding, coolant is injected into the heat dissipation channel, which can effectively cool and dissipate the welding roller, avoiding deformation or damage of the welding roller during high temperature welding, effectively ensuring the welding quality while also ensuring the service life of the welding roller, which is efficient and convenient.

[0015] (2) The present invention sets an adjustment component on the old plate, and drives the cylinder to drive the welding gun arm plate to adjust the distance between the axis of the welding roller and the axis of the web, thereby ensuring that the welding roller can press the outer wall of the steel skeleton by cooperating with the copper table and perform effective welding. While ensuring the welding quality, it can also adapt to steel skeletons of various sizes and different inner diameters. It has good adjustability and applicability, and is efficient and practical.

[0016] (3) The present invention provides a buffer assembly in the welding roller. The adjustment rod and the return spring in the buffer assembly cooperate with each other, and the return spring continuously applies force to relieve the axial pressure received by the welding roller when installing the steel bar skeleton or when the welding roller is in use. This prevents the surface welding roller and the welding gun arm plate from being damaged by a hard collision. The invention is efficient and practical.

[0017] (4) The present invention provides a plurality of heat dissipation grooves on the welding roller, which can further diffuse the heat generated and received by the welding roller during welding, thereby ensuring the overall heat dissipation of the welding roller while also ensuring the service life and welding quality of the welding roller.

[0018] (5) The present invention sets a box on the second cage door, fixes the air pump and the water pump in the box, and passes the gas in the gas storage tank into the airway through the air pump through the pipeline, and passes the coolant in the liquid storage tank into the heat dissipation channel through the water pump. The radiator can be filled with liquid quickly and effectively, ensuring that the welding roller can be cooled in time during the welding process, ensuring the quality of welding, and being efficient and convenient.

[0019] (6) The present invention adopts the method of using arc-shaped stainless steel for both the gas storage tank and the liquid storage tank to form a counterweight block, thereby avoiding directional deviation during welding or web rotation and ensuring the overall balance and stability of the web.

[0020] (7) The present invention sets an auxiliary component on the first cage door, and drives the pressing block on the rotating disk to press the steel frame, thereby ensuring that the steel frame as a whole can rotate along with the web during the welding process. At the same time, it can also avoid the internal stress during welding that causes axial displacement of the steel frame, which is safe and efficient.

[0021] (8) The present invention arranges the pressure block into a right-angle block with a right-angled cross section. The right-angled pressure block can more conveniently press against each corner of the steel frame, thereby ensuring the firmness and stability of the pressure block pressing against the steel frame, which is convenient and practical.

[0022] (9) The present invention further ensures the overall stability, safety and practicality by arranging the pressure block to be a vertical connection between the first pressure plate and the second pressure plate, and by the rotational connection between the first rotating plate and the first pressure plate, and the rotational connection between the second rotating plate and the second pressure plate, and by the continuous force of the first torsion spring and the second torsion spring, the first rotating plate and the second rotating plate are continuously pressed against the steel frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to make the content of the present invention more clearly understood, the present invention is further described in detail below based on specific embodiments and in combination with the accompanying drawings, wherein

[0024] Figure 1 It is a schematic diagram of the overall structure of the automatic air-filled cooling seam welding machine in the patent of the present invention;

[0025] Figure 2 This is a schematic diagram of the overall structure of the second cage door in the patent of this invention;

[0026] Figure 3 It is a rear view of the overall structure of the welding assembly in the patent of the present invention;

[0027] Figure 4 It is a side view of the overall structure of the welding assembly in the patent of the present invention;

[0028] Figure 5 It is a front view of the overall structure of the rolling welding gun in the patent of the present invention;

[0029] Figure 6 It is a side sectional view of the overall structure of the rolling welding gun in the patent of the present invention;

[0030] Figure 7 This is a schematic diagram of the overall structure of the first cage door in the patent of the present invention;

[0031] Figure 8 It is a front view of the overall structure of the rotating disk in the patent of the present invention;

[0032] Fig. 9 It is a cross-sectional view of the overall structure of the pressure block in the patent of the present invention. DETAILED DESCRIPTION

[0033] See Figures 1 to 9The present invention has a base 1, a first cage door 3 and a second cage door 2 arranged on the base 1, and the first cage door 3 and the second cage door 2 are both provided with through holes for the steel skeleton to pass through; the second cage door 2 is provided with a welding assembly 4 for welding the steel skeleton, the welding assembly 4 includes a slewing bearing 41 fixed in the through hole and coaxially arranged with the through hole, a web 42 rotatably connected to the slewing bearing 41, a rolling welding gun 43 arranged on the web 42, and a copper table 44 fixed in the slewing bearing 41 and coaxially arranged with the slewing bearing 41, a positioning support is fixed in the slewing bearing 41, the copper table 44 is fixed on the positioning support and rotates coaxially with the web 42, the rolling welding gun 43 is provided on the web 42, and the copper table 44 is provided on the web 42. The gun 43 includes a copper bar 432, a welding roller 431 and a radiator 433. The radiator 433 is coaxially arranged with the welding roller 431 and fixedly connected. The radiator 433 is located between the web 42 and the welding roller 431. A heat dissipation channel 436 for injecting coolant is provided in the radiator 433. The copper bar 432 is fixed on the welding roller 431. The welding roller 431 is also provided with an air channel 40. The web 42 is provided with a liquid storage tank 45 and an air storage tank 46. The liquid storage tank 45 injects coolant into the heat dissipation channel 436 through a water pump 73. The air storage tank 46 passes gas into the air channel 40 through an air pump 74. The welding roller 431 cooperates with the copper bar 432 and the copper table 44 to weld the steel skeleton.

[0034] The web plate 42 is provided with an adjustment assembly 5 for adjusting the distance between the axis of the rolling welding gun 43 and the axis of the web plate 42, the adjustment assembly 5 comprises a first seat body 51 and a second seat body 56 fixed on the web plate 42, a first slider 52 slidably arranged on the first seat body 51 along the extension direction of the first seat body 51, a second slider 55 slidably arranged on the second seat body 56 along the extension direction of the second seat body 56, a welding gun arm plate 54 and a driving cylinder 53, the first seat body 51 is located below the second seat body 56, the extension direction of the first seat body 51 and the extension direction of the second seat body 56 are arranged in parallel, one end of the driving cylinder 53 is rotatably connected to the first slider 52, the telescopic end of the driving cylinder 53 is rotatably connected to one end of the welding gun arm plate 54, the welding gun arm plate 54 is rotatably connected to the second slider 55, the second slider 55 is located between the driving cylinder 53 and the radiator 433, and the radiator 433 is fixed to the other end of the welding gun arm plate 54;

[0035] A sliding touch plate 435 coaxially arranged with the welding roller 431 is provided between the radiator 433 and the welding roller 431, the copper bar 432 is fixed on the sliding touch plate 435, and a buffer component 47 for buffering the axis of the welding roller 431 is also provided in the welding roller 431, the buffer component 47 includes a bearing cylinder 471 fixed in the sliding touch plate 435 and the radiator 433, a plurality of rolling bearings 472 fixed in the bearing cylinder 471 and coaxially arranged with the bearing cylinder 471, and a central shaft 473 fixed in the rolling bearing 472, the central shaft 473 is fixed on the welding roller 431, and the bearing cylinder 471 is fixed on the welding gun arm plate 54, and the welding gun arm plate 54 is fixed with a plurality of insulating sleeves 474 distributed on the welding gun arm plate 54 along the axis circumference of the bearing cylinder 471, and an adjusting rod 475 is slidably arranged in each insulating sleeve 474, and a through hole for each adjusting rod 475 to pass through is provided on the heat sink 433, and a slot for each adjusting rod 475 to be inserted is provided on the sliding touch plate 435, and a reset spring 476 is provided on each adjusting rod 475, and one end of each reset spring 476 is fixed on the corresponding insulating sleeve 474, and the other end of each reset spring 476 is fixedly connected to the heat sink 433;

[0036] The welding roller 431 is provided with a plurality of heat dissipation slots 434 coaxially arranged with the welding roller 431 , and the inner diameter of each heat dissipation slot 434 decreases from the outside to the inside;

[0037] A box body 7 is provided between the web 42 and the second cage door 2, the box body 7 is fixed on the web 42, the water pump 73 and the air pump 74 are fixed in the box body 7, a driving motor 71 is provided in the box body 7, a transmission gear 72 is fixedly provided at the output end of the driving motor 71, a driven gear 411 which is coaxially arranged with the slewing bearing 41 is provided on the outer wall of the slewing bearing 41, the web 42 is connected to the second cage door 2 by the driving motor 71 driving the transmission gear 72 to rotate, and the transmission gear 72 and the driven gear 411 are rotated in coordination with each other;

[0038] The cross-sections of the gas storage tank 46 and the liquid storage tank 45 are both in an arc shape coaxially arranged with the web 42. Pipes are provided on the gas storage tank 46 and the liquid storage tank 45. The gas storage tank 46 is connected to the air pump 74 through the pipeline. The air outlet of the air pump 74 is connected to the air channel 40 through the pipeline. The liquid storage tank 45 is connected to the water pump 73 through the pipeline. The water outlet of the water pump 73 is connected to the heat dissipation channel 436 through the pipeline.

[0039] The gas storage tank 46 and the liquid storage tank 45 are both made of stainless steel, and the gas storage tank 46 and the liquid storage tank 45 on the web 42 form a counterweight block;

[0040] The first cage door 3 is provided with an auxiliary component for assisting in pressing the steel bar skeleton, the auxiliary component comprises a rotating disk 6 rotatably connected to the first cage door 3, a plurality of auxiliary cylinders 61 circumferentially distributed on the rotating disk 6 along the axis of the rotating disk 6, and a pressing block 62 fixed to the telescopic end of the auxiliary cylinder 61, the rotating disk 6 is coaxially arranged with the through hole on the first cage door 3, each auxiliary cylinder 61 is fixed on the first cage door 3, and each pressing block 62 is driven by each corresponding auxiliary cylinder 61 to position the steel bar skeleton;

[0041] Each of the pressure blocks 62 is a right-angle block with a right-angled cross section;

[0042] The pressure block 62 includes a first pressure plate 621 and a second pressure plate 622 fixed on the first pressure plate 621. The first pressure plate 621 and the second pressure plate 622 are vertically arranged. The first pressure plate 621 is rotatably connected to the first rotating plate 63, and the second pressure plate 622 is rotatably connected to the second rotating plate 64. The rotation axis of the first rotating plate 63 is arranged parallel to the axis of the base 1, and the rotation axis of the second rotating plate 64 is also parallel to the axis of the base 1. The first rotating plate 63 and the second rotating plate 64 are arranged opposite to each other. The first rotating plate 63 is provided with a first rotating shaft 631, and the second rotating plate 64 is provided with a second rotating shaft 641. The first pressure plate 62 1 is provided with a first rotating groove 623 for the first rotating shaft 631 to extend into and rotate therein, the second pressing plate 622 is provided with a second rotating groove 625 for the second rotating shaft 641 to extend into and rotate therein, the first rotating groove 623 is provided with a first torsion spring 624, the second rotating groove 625 is provided with a second torsion spring 626, the first torsion spring 624 is sleeved on the first rotating shaft 631, and the two ends of the first torsion spring 624 are respectively fixedly connected to the first rotating groove 623 and the first rotating shaft 631, the second torsion spring 626 is sleeved on the second rotating shaft 641, and the two ends of the second torsion spring 626 are respectively fixedly connected to the second rotating groove 625 and the second rotating shaft 641.

[0043] Working principle of the patent of the present invention: When the present invention is in use, the steel skeleton is placed on the first cage door 3 and the second cage door 2, the auxiliary cylinder 61 on the first cage door 3 drives the pressing block 62 to press against the steel skeleton, the first rotating plate 63 and the second rotating plate 64 on the pressing block 62 are continuously pressed against the steel skeleton through the first torsion spring 624 and the second torsion spring 626, the copper block on the second cage door 2 extends into the steel skeleton and presses against the inner wall of the steel skeleton, the driving cylinder 53 on the adjustment component 5 drives the rotating plate of the welding gun arm plate 54 to ensure that in the initial position, the welding roller 431 is pressed against the outer surface of the steel skeleton, the slewing bearing 41 is driven to rotate by the driving motor 71, the slewing bearing 41 drives the rotation of the web plate 42 and the welding roller 431, and the cooling liquid is injected into the radiator 433 to timely cool and dissipate the heat of the welding roller 431, and the steel skeleton is fully welded by the rotation of the web plate 42, which ensures the quality of welding and the service life of the welding roller 431, which is efficient and convenient.

[0044] The specific embodiments described above further illustrate the purpose, technical solutions and beneficial effects of the present invention. It should be understood that the above description is only a specific embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An automatic air-filled cooling seam welding machine, comprising a base (1), a first cage door (3) and a second cage door (2) arranged on the base (1) in a relative manner, the first cage door (3) and the second cage door (2) both being provided with through holes for a steel bar skeleton to pass through; characterized in that: The second cage door (2) is provided with a welding assembly (4) for welding the steel bar skeleton, the welding assembly (4) comprising a slewing bearing (41) fixed in the through hole and arranged coaxially with the through hole, a web (42) rotatably connected to the slewing bearing (41), a rolling welding gun (43) arranged on the web (42), and a copper table (44) fixed in the slewing bearing (41) and arranged coaxially with the slewing bearing (41), the rolling welding gun (43) comprising a copper bar (432), a welding roller (431) and a radiator (433), the radiator (433) being arranged coaxially with the welding roller (431) and fixedly connected, the radiator (433) 433) is located between the web (42) and the welding roller (431), a heat dissipation channel (436) for injecting coolant is provided in the radiator (433), the copper bar (432) is fixed on the welding roller (431), the welding roller (431) is also provided with an air channel (40), the web (42) is provided with a liquid storage tank (45) and an air storage tank (46), the liquid storage tank (45) injects coolant into the heat dissipation channel (436) through a water pump (73), the air storage tank (46) passes gas into the air channel (40) through an air pump (74), and the welding roller (431) cooperates with the copper bar (432) and the copper stand (44) to weld the steel frame.

2. The automatic gas-filled cooling seam welding machine according to claim 1 is characterized in that: The web (42) is provided with an adjustment assembly (5) for adjusting the distance between the axis of the rolling welding gun (43) and the axis of the web (42), the adjustment assembly (5) comprising a first seat body (51) and a second seat body (56) fixed on the web (42), a first slider (52) slidably arranged on the first seat body (51) along the extension direction of the first seat body (51), a second slider (55) slidably arranged on the second seat body (56) along the extension direction of the second seat body (56), a welding gun arm plate (54) and a driving cylinder (53), the The first seat body (51) is located below the second seat body (56); the extension direction of the first seat body (51) is arranged parallel to the extension direction of the second seat body (56); one end of the driving cylinder (53) is rotatably connected to the first slider (52); the telescopic end of the driving cylinder (53) is rotatably connected to one end of the welding gun arm plate (54); the welding gun arm plate (54) is rotatably connected to the second slider (55); the second slider (55) is located between the driving cylinder (53) and the radiator (433); and the radiator (433) is fixed to the other end of the welding gun arm plate (54).

3. The automatic gas-filled cooling seam welding machine according to claim 2 is characterized in that: A sliding touch plate (435) coaxially arranged with the welding roller (431) is provided between the heat sink (433) and the welding roller (431); the copper bar (432) is fixed on the sliding touch plate (435); a buffer assembly (47) for buffering the axis of the welding roller (431) is also provided in the welding roller (431); the buffer assembly (47) comprises a bearing cylinder (471) fixed in the sliding touch plate (435) and the heat sink (433); a plurality of rolling bearings (472) fixed in the bearing cylinder (471) and coaxially arranged with the bearing cylinder (471); and a central shaft (473) fixed in the rolling bearing (472); the central shaft (473) is fixed on the welding roller (431); The bearing cylinder (471) is fixed on the welding gun arm plate (54), and a plurality of insulating sleeves (474) are fixedly provided on the welding gun arm plate (54) and are distributed on the welding gun arm plate (54) along the circumference of the axis of the bearing cylinder (471). An adjusting rod (475) is slidably provided in each insulating sleeve (474). A through hole through which each adjusting rod (475) can pass is provided on the heat sink (433). A slot through which each adjusting rod (475) can be inserted is provided on the sliding touch plate (435). A reset spring (476) is provided on each adjusting rod (475). One end of each reset spring (476) is fixed on the corresponding insulating sleeve (474), and the other end of each reset spring (476) is fixedly connected to the heat sink (433).

4. The automatic gas-filled cooling seam welding machine according to claim 3 is characterized in that: The welding roller (431) is provided with a plurality of heat dissipation grooves (434) coaxially arranged with the welding roller (431), and the inner diameter of each heat dissipation groove (434) decreases sequentially from the outside to the inside.

5. The automatic gas-filled cooling seam welding machine according to claim 4 is characterized in that: A box body (7) is provided between the web (42) and the second cage door (2), the box body (7) being fixed on the web (42), the water pump (73) and the air pump (74) being fixed in the box body (7), a driving motor (71) being provided in the box body (7), a transmission gear (72) being fixedly provided at the output end of the driving motor (71), a driven gear (411) being provided on the outer wall of the slewing bearing (41) and being coaxially arranged with the slewing bearing (41), the web (42) being connected to the second cage door (2) by driving the transmission gear (72) to rotate through the driving motor (71), and by the transmission cooperation between the transmission gear (72) and the driven gear (411).

6. The automatic gas-filled cooling seam welding machine according to claim 5, characterized in that: The cross-sections of the gas storage tank (46) and the liquid storage tank (45) are both in the shape of an arc arranged coaxially with the web (42). The gas storage tank (46) and the liquid storage tank (45) are both provided with pipelines. The gas storage tank (46) is connected to the air pump (74) via the pipeline. The air outlet of the air pump (74) is connected to the air channel (40) via the pipeline. The liquid storage tank (45) is connected to the water pump (73) via the pipeline. The water outlet of the water pump (73) is connected to the heat dissipation channel (436) via the pipeline.

7. The automatic gas-filled cooling seam welding machine according to claim 6, characterized in that: The gas storage tank (46) and the liquid storage tank (45) are both made of stainless steel, and the gas storage tank (46) and the liquid storage tank (45) on the web (42) form a counterweight.

8. The automatic gas-filled cooling seam welding machine according to claim 1, characterized in that: The first cage door (3) is provided with an auxiliary component for assisting in pressing the steel bar frame, the auxiliary component comprising a rotating disk (6) rotatably connected to the first cage door (3), a plurality of auxiliary cylinders (61) distributed on the rotating disk (6) along the axis of the rotating disk (6), and a pressing block (62) fixed to the telescopic end of the auxiliary cylinder (61), the rotating disk (6) being coaxially arranged with a through hole on the first cage door (3), each auxiliary cylinder (61) being fixed on the first cage door (3), and each pressing block (62) being driven by each corresponding auxiliary cylinder (61) to position the steel bar frame.

9. The automatic gas-filled cooling seam welding machine according to claim 8, characterized in that: Each of the pressure blocks (62) is a right-angle block with a right-angled cross section.

10. The automatic gas-filled cooling seam welding machine according to claim 9, characterized in that: The pressure block (62) comprises a first pressure plate (621) and a second pressure plate (622) fixed on the first pressure plate (621); the first pressure plate (621) and the second pressure plate (622) are arranged vertically; a first rotating plate (63) is rotatably connected to the first pressure plate (621); a second rotating plate (64) is rotatably connected to the second pressure plate (622); a rotation axis of the first rotating plate (63) is arranged parallel to the axis of the base (1); a rotation axis of the second rotating plate (64) is also arranged parallel to the axis of the base (1); the first rotating plate (63) and the second rotating plate (64) are arranged opposite to each other; the first rotating plate (63) is provided with a first rotating shaft (631); the second rotating plate (64) is provided with a second rotating shaft (641); the first pressure plate (621) and the second pressure plate (622) are arranged vertically; the first rotating plate (621) and the second pressure plate (622) are arranged vertically; the first rotating plate (63) and the second rotating plate (64 ... 21) is provided with a first rotating groove (623) into which the first rotating shaft (631) can extend and rotate, and the second pressure plate (622) is provided with a second rotating groove (625) into which the second rotating shaft (641) can extend and rotate, the first rotating groove (623) is provided with a first torsion spring (624), the second rotating groove (625) is provided with a second torsion spring (626), the first torsion spring (624) is sleeved on the first rotating shaft (631), and the two ends of the first torsion spring (624) are respectively fixedly connected to the first rotating groove (623) and the first rotating shaft (631), the second torsion spring (626) is sleeved on the second rotating shaft (641), and the two ends of the second torsion spring (626) are respectively fixedly connected to the second rotating groove (625) and the second rotating shaft (641).

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