CN113770574A

CN113770574A - Automatic change welding equipment

Info

Publication number: CN113770574A
Application number: CN202110959628.4A
Authority: CN
Inventors: 郑长和; 郑宣成; 陈浩; 陈大建; 汤孙槐
Original assignee: Zhejiang Jiatai Laser Technology Co ltd
Current assignee: Zhejiang Jiatai Laser Technology Co ltd
Priority date: 2021-08-20
Filing date: 2021-08-20
Publication date: 2021-12-10
Also published as: WO2023019711A1

Abstract

The invention relates to the field of welding equipment, in particular to automatic welding equipment, which comprises a welding gun assembly, a fixing assembly, a welding platform and a preheating assembly, wherein the welding gun assembly is arranged on the welding platform; the fixing assembly comprises a supporting seat and a clamping assembly; the supporting seats are slidably mounted on the welding platform, and the two groups of supporting seats are positioned on two sides of the preheating assembly; the clamping assembly comprises a first connecting assembly, a second connecting assembly and a clamping block assembly; the first connecting component is slidably mounted on the supporting seat; the clamping assembly is arranged on the fixing assembly, and a tubular or plate-shaped welding piece can be welded through the clamping assembly without replacing a clamp, so that the welding efficiency is improved; meanwhile, the connecting assembly is arranged on the clamping assembly, so that welding seams among different shapes of welding pieces can be aligned, the welding seams are not required to be matched by multiple persons to be aligned, the labor intensity is reduced, and the practicability of the equipment is improved.

Description

Automatic change welding equipment

Technical Field

The invention belongs to the field of welding equipment, and particularly relates to automatic welding equipment.

Background

Welding is a process of melting metals or thermoplastic materials by heating, high temperature or high pressure, and then using the molten metals to join objects to be welded. The method is widely applied in modern industry, and can splice metal such as pipes or plates to achieve the required shape.

With the continuous development of the industry, the types of welding products are more and more, and a plurality of parts with special shapes and structures appear. And the welding jig commonality is relatively poor among the automatic weld equipment of current, needs to change the anchor clamps that correspond many times and welds the welding piece, wastes time and energy, greatly reduced welding efficiency.

Disclosure of Invention

Aiming at the problems, the invention provides automatic welding equipment which comprises a welding gun assembly, a fixing assembly, a welding platform and a preheating assembly;

the welding gun assembly is movably arranged at the upper end of the welding platform; the preheating assembly is fixedly arranged on the welding platform and is positioned right below the welding gun assembly;

the fixing assembly comprises a supporting seat and a clamping assembly;

the two groups of supporting seats are symmetrically arranged on two sides of the preheating assembly and are movably arranged on the welding platform;

the two groups of clamping assemblies are symmetrically arranged and are respectively and movably arranged on one group of supporting seats;

the clamping assembly comprises a first connecting assembly, a second connecting assembly and a clamping block assembly; the first connecting component is slidably mounted on the supporting seat; the second connecting assembly is rotatably arranged on one side of the first connecting assembly; two sets of clamp splice subassembly slidable mounting is in second coupling assembling keeps away from one side of first coupling assembling, and two sets of the mutual symmetry of clamp splice subassembly.

Further, the supporting seat comprises a box body, a first groove is formed in one side face of the box body, and second sliding grooves are formed in the inner walls of the two sides of the first groove; a second motor is fixedly installed at the upper end of the box body, the output end of the second motor is in transmission connection with a second transmission rod, and two ends of the second transmission rod respectively and movably penetrate through the upper inner wall and the lower inner wall of the first groove;

the first connecting component is in threaded connection with the second transmission rod.

Further, the first connecting assembly comprises a first connecting plate and a second connecting plate;

the first connecting plate is fixedly arranged on one side of the second connecting plate, and a second threaded hole is formed in the first connecting plate; the second threaded hole is in threaded connection with the second transmission rod; a group of sliding blocks are fixedly mounted on two sides of the second connecting plate respectively, and the sliding blocks are movably clamped in the second sliding grooves;

and a third motor is fixedly arranged on one side of the second connecting plate, which is close to the first connecting plate.

Furthermore, the second connecting assembly comprises a shell, a fourth motor is fixedly mounted on the shell, and the output end of the fourth motor is in transmission connection with a third transmission rod; a second guide rod is arranged in the shell, and the third transmission rod and the second guide rod are in parallel symmetry; two ends of the third transmission rod are respectively provided with thread sections with opposite thread directions;

and a transmission shaft is fixedly installed on one side surface of the shell and is in transmission connection with the third motor.

Furthermore, the clamping block assembly comprises an upper clamping block, a connecting rod and an arc-shaped clamping block;

the upper end of the upper clamping block is vertically provided with a connecting rod, and the upper end of the connecting rod is fixedly provided with an arc-shaped clamping block;

one end of the upper clamping block is provided with a third threaded hole and a second guide hole; the third threaded hole is in threaded connection with the third transmission rod; the second guide hole is connected with the second guide rod.

Further, the welding platform comprises a welding base; two groups of first sliding grooves are formed in the upper surface of the welding base along the length direction, and the two groups of first sliding grooves are symmetrically arranged in parallel;

a first transmission rod is rotatably arranged in one group of first sliding grooves, and a first guide rod is arranged in the other group of first sliding grooves;

a first motor is fixedly installed on one side of the welding base, and the output end of the first motor is in transmission connection with the first transmission rod through a coupler; two groups of threads with opposite thread directions are respectively arranged at two ends of the first transmission rod; the middle section of the first transmission rod is provided with a smooth section;

two groups of clamping blocks are fixedly arranged at the lower end of the box body, and the two groups of clamping blocks are symmetrically arranged;

the fixture block is clamped on the welding base;

a group of the clamping blocks is provided with a first threaded hole, and a group of the clamping blocks is provided with a first guide hole; the first threaded hole is in threaded connection with the first transmission rod; the first guide hole is connected with the first guide rod.

Furthermore, four groups of support rods are fixedly arranged at the upper end of the welding base and are symmetrically arranged on two sides of the upper end of the welding base;

second sliding rails are fixedly arranged between the supporting rods on the two sides of the welding base along the length direction respectively;

two groups of first sliding blocks are arranged on the welding gun assembly; the two groups of first sliding blocks are respectively installed on the one group of second sliding rails in a sliding mode;

and a first sliding rail is fixedly arranged between the two groups of first sliding blocks on the welding gun assembly.

Further, the preheat assembly includes a preheat stage; an arc-shaped groove is formed in the upper plate surface of the preheating platform; collecting tanks are respectively arranged on two sides of the preheating platform; an inclined plate is arranged at the joint of one side of the collecting tank and the preheating platform;

two groups of telescopic supporting rods are fixedly arranged at the lower end of the preheating platform and are symmetrically arranged in parallel;

each group of telescopic support rod is provided with a through hole at the lower end, one group of through holes penetrate through the first guide rod, and the other group of through holes penetrate through the first guide rod.

Furthermore, a first heat conduction hole and a second heat conduction hole are formed in the preheating platform; the first heat conduction hole and the second heat conduction hole are arranged in parallel; and a heat conduction pipe is arranged in the first heat conduction hole, and the first heat conduction hole and the second heat conduction hole are communicated with the welding gun assembly through heat conduction pipes.

Furthermore, an upper clamping block heat insulation pad is arranged on one side surface of the upper clamping block, which is far away from the connecting rod; a plurality of groups of bulges are arranged on the upper clamping block heat insulation pad;

the arc-shaped surface of the arc-shaped clamping block is provided with an arc-shaped clamping block heat insulation pad.

The invention has the beneficial effects that:

1. the welding device is provided with the fixing assembly, the clamping assembly is arranged on the fixing assembly, and a tubular or plate-shaped welding piece can be welded through the clamping assembly without replacing a clamp, so that the welding efficiency is improved; meanwhile, the connecting assembly is arranged on the clamping assembly, so that welding seams among different shapes of welding pieces can be aligned, the welding seams are not required to be matched by multiple persons to be aligned, the labor intensity is reduced, and the practicability of the equipment is improved.

2. The preheating assembly is arranged, the heat in the welding gun assembly is fully utilized, the to-be-welded part is preheated, the deformation of the welded part after welding can be prevented, welding cracks can be reduced when the preheated welded part is welded, and meanwhile, the utilization rate of energy is improved.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.

FIG. 1 shows a schematic structural diagram of a welding apparatus according to an embodiment of the invention;

FIG. 2 illustrates a structural schematic of a welding platform according to an embodiment of the present invention;

FIG. 3 illustrates a schematic structural view of a securing assembly according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a support seat according to an embodiment of the invention;

FIG. 5 shows a schematic structural view of a clamping assembly according to an embodiment of the invention;

FIG. 6 illustrates a schematic structural diagram of a first connection assembly according to an embodiment of the present invention;

FIG. 7 illustrates a cross-sectional structural view of a second connection assembly in accordance with an embodiment of the present invention;

FIG. 8 shows a schematic structural view of a clamp block assembly according to an embodiment of the invention;

fig. 9 shows a schematic structural view of a preheating assembly according to an embodiment of the present invention.

In the figure: 1. a welding gun assembly; 11. a first slider; 12. a second slider; 13. a first slide rail; 14. a welding gun head; 2. a fixing assembly; 3. welding a platform; 31. welding a base; 32. a first chute; 33. a first guide bar; 34. a first drive lever; 35. a first motor; 36. a second slide rail; 37. a support bar; 4. a preheating assembly; 41. preheating a platform; 411. an arc-shaped slot; 412. a sloping plate; 413. collecting tank; 414. a first heat conduction hole; 415. a second heat conduction hole; 42. a telescopic support rod; 421. a through hole; 5. a supporting seat; 51. a box body; 52. a second motor; 53. a first groove; 54. a second chute; 55. a second transmission rod; 56. a clamping block; 57. a first threaded hole; 58. a first guide hole; 6. a clamping assembly; 61. a first connection assembly; 611. a first connecting plate; 612. a second connecting plate; 613. a third motor; 614. a second threaded hole; 615. a slider; 62. a second connection assembly; 621. a housing;

622. a fourth motor; 623. a third transmission rod; 624. a second guide bar; 625. a drive shaft; 63. a clamp block assembly; 631. an upper clamping block; 6311. an upper clamping block heat insulation pad; 632. a connecting rod; 633. an arc-shaped clamping block; 6331. an arc-shaped clamping block heat insulation pad; 634. a third threaded hole; 635. a second guide hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The embodiment of the invention provides automatic welding equipment which comprises a welding gun assembly 1, a fixing assembly 2, a welding platform 3 and a preheating assembly 4. Illustratively, as shown in fig. 1, the welding gun assembly 1 is slidably mounted on the upper end of the welding platform 3; the preheating assembly 4 is fixedly arranged on the welding platform 3 and is positioned right below the welding gun assembly 1;

the two groups of fixing assemblies 2 are slidably mounted on the welding platform 3 and are symmetrically arranged; two sets of fixed subassembly 2 is located respectively preheat the both sides of subassembly 4, and two sets of fixed subassembly 2 can be followed welding platform 3's length direction is kept away from each other or is close to the removal.

Placing a welding part on the preheating assembly 4, and preheating the part of the welding part needing to be welded in advance; fixing the welding piece through the fixing assemblies 2, adjusting the relative distance of the two groups of fixing assemblies 2 according to the length of the welding piece after fixing, and aligning the position of the welding seam of the welding piece; adjusting the relative position of the welding seam of the welding part and the welding gun component 1 through the fixing component 2, and then welding the welding part by the welding gun component 1; when the welding parts with different shapes need to be replaced, the fixing assembly 2 only needs to be adjusted, the welding parts with different shapes can be fixedly clamped, other clamps do not need to be replaced, the welding work efficiency is improved, and the labor intensity of welding personnel is reduced.

The welding platform 3 comprises a welding base 31; for example, as shown in fig. 2, two groups of first sliding grooves 32 are formed in the upper surface of the welding base 31 along the length direction, and the two groups of first sliding grooves are symmetrically arranged in parallel; a first transmission rod 34 is rotatably mounted in one group of the first chutes 32, and a first guide rod 33 is mounted in the other group of the first chutes 32; a first motor 35 is fixedly installed on one side of the welding base 31, and the output end of the first motor 35 is in transmission connection with the first transmission rod 34 through a coupler; two groups of threads with opposite thread directions are respectively arranged at two ends of the first transmission rod 34; the middle section of the first transmission rod 34 is provided with a smooth section; two sets of the fixed components 2 are respectively in threaded connection with two ends of the first transmission rod 34.

The first motor 35 is started to drive the first transmission rod 34 to rotate, so as to drive the two groups of fixing components 2 to move relatively.

The preheating assembly 4 penetrates through the middle section of the first transmission rod 34 and is fixedly installed on the welding platform 3.

Four groups of support rods 37 are fixedly mounted at the upper end of the welding base 31, and the four groups of support rods 37 are symmetrically arranged at two sides of the upper end of the welding base 31; a set of second slide rails 36 are respectively fixedly installed between the support rods 37 on the two sides of the welding base 31 along the length direction.

Two groups of first sliding blocks 11 are arranged on the welding gun assembly 1, and the two groups of first sliding blocks 11 are respectively installed on one group of second sliding rails 36 in a sliding manner; through two sets of first sliding blocks 11 and two sets of second sliding rails 36, the welding gun assembly 1 can move along the length direction of the welding platform 3.

A first slide rail 13 is fixedly installed between the two groups of first slide blocks 11, a welding gun head 14 is fixedly installed on a movable seat of the first slide rail 13, and the welding gun head 14 can move on the first slide rail 13; the moving direction of the welding gun head 14 on the first slide rail 13 is perpendicular to the moving direction of the welding gun assembly 1 in the length direction of the welding platform 3.

The welding gun head 14 is provided with a cooling assembly (not shown in the figure), and the cooling assembly can cool the temperature on the welding gun head 14, so that the damage of parts of the welding gun caused by the high-temperature overheating of the welding gun head 14 and the influence on the welding work are prevented.

For example, the cooling assembly may adopt a cooling water channel of the cooling method disclosed in patent No. CN101380690B, including a water inlet channel, a water return channel and a water inlet and return channel; form inhalant canal and return water passageway respectively along the axial between cooling tube barrel and the insulating bush, the axial inhalant canal that discloses in this patent and axial return water passageway's both rear ends are connected with outside inlet tube and the outside wet return that sets up on this body of a gun respectively to realize the mesh of circulating water cooling rifle body.

The preheating assembly 4 is communicated with the water return channel through a pipeline, and water with heat flowing in the welding gun is introduced into the preheating assembly 4, so that the heat can be conducted to the preheating assembly 4, and a welding part is preheated.

The fixing component 2 comprises a supporting seat 5 and a clamping component 6; illustratively, as shown in fig. 3 and 4, the clamping assembly 6 is slidably mounted on one side of the support seat 5; the supporting seat 5 comprises a box body 51, a first groove 53 is formed in one side face of the box body 51, and second sliding grooves 54 are formed in the inner walls of two sides of the first groove 53; a second motor 52 is fixedly installed at the upper end of the box body 51, the output end of the second motor 52 is in transmission connection with a second transmission rod 55, and two ends of the second transmission rod 55 respectively and movably penetrate through the upper inner wall and the lower inner wall of the first groove 53; the clamping assembly 6 is screwed on the second transmission rod 55, and the clamping assembly 6 can slide up and down in the first groove 53 through the second sliding groove 54.

Two groups of fixture blocks 56 are fixedly mounted at the lower end of the box body 51, and the two groups of fixture blocks 56 are symmetrically arranged; the clamping block 56 is clamped on the welding base 31;

a group of the clamping blocks 56 are also provided with first threaded holes 57, and a group of the clamping blocks 56 are provided with first guide holes 58; the first threaded hole 57 is in threaded connection with the first transmission rod 34; the first guide hole 58 is connected with the first guide rod 33; the support base 5 is movable in the longitudinal direction of the welding base 31 through the first screw hole 57 and the first guide hole 58.

The clamping assembly 6 includes a first connecting assembly 61, a second connecting assembly 62 and a clamping block assembly 63. Illustratively, as shown in fig. 5, the second connecting assembly 62 is rotatably mounted on one side of the first connecting assembly 61; two sets of clamp splice subassembly 63 slidable mounting is in second coupling assembling 62 keeps away from one side of first coupling assembling 61, and two sets of clamp splice subassembly 63 is symmetrical each other.

Further, the first connection assembly 61 includes a first connection plate 611 and a second connection plate 612; for example, as shown in fig. 6, the first connecting plate 611 is fixedly installed at one side of the second connecting plate 612, and a second threaded hole 614 is formed in the first connecting plate 611; the second threaded hole 614 is in threaded connection with the second transmission rod 55; two sides of the second connecting plate 612 are respectively and fixedly provided with a sliding block 615, and the sliding block 615 is movably clamped in the second sliding groove 54; the first connecting component 61 can slide up and down in the supporting seat 5 through the second threaded hole 614 and the sliding block 615; a third motor 613 is fixedly mounted on one side of the second connecting plate 612 close to the first connecting plate 611.

The second connecting assembly 62 includes a housing 621, for example, as shown in fig. 7, a fourth motor 622 is fixedly mounted on the housing 621, and an output end of the fourth motor 622 is in transmission connection with a third transmission rod 623; a second guide rod 624 is arranged in the housing 621, and the third transmission rod 623 and the second guide rod 624 are parallel and symmetrical; and thread sections with opposite thread directions are respectively arranged at two ends of the third transmission rod 623.

A transmission shaft 625 is fixedly mounted on one side surface of the housing 621, and the transmission shaft 625 is in transmission connection with the third motor 613; when the third motor 613 is activated, the third motor 613 drives the transmission shaft 625 to rotate, and the transmission shaft 625 drives the housing 621 to rotate.

The clamp block assembly 63 includes an upper clamp block 631, a connecting rod 632, and an arc clamp block 633. For example, as shown in fig. 8, one end of a connecting rod 632 is vertically arranged at the upper end of the upper clamp block 631, and an arc-shaped clamp block 633 is fixedly arranged at the upper end of the connecting rod 632; one end of the upper clamping block 631 is provided with a third threaded hole 634 and a second guide hole 635; the third threaded hole 634 is in threaded connection with the third transmission rod 623; the second guide hole 635 is connected to the second guide bar 624;

preferably, an upper clamping block heat insulation pad 6311 is disposed on a side surface of the upper clamping block 631 away from the connecting rod 632, and by disposing the upper clamping block heat insulation pad 6311, heat of the welded part can be prevented from being conducted to the upper clamping block 631 during welding, so as to avoid the influence of heat on the clamping force between the upper clamping block 631 and the surface of the welded part; the upper clamp block heat insulation pad 6311 is provided with a plurality of sets of protrusions to increase the clamping force between the weld surface and the upper clamp block 631.

Arc clamp block 633's arcwall face is provided with arc clamp block heat insulating mattress 6331, through setting up arc clamp block heat insulating mattress 6331 increases contact friction between arc clamp block 633 and the welding.

The upper clamp blocks 631 of one set of clamp block assemblies 63 are disposed opposite the upper clamp blocks 631 of the other set of clamp block assemblies 63.

Placing a plate-shaped welding part between the two groups of clamping block assemblies 63, starting the fourth motor 622, driving the third transmission rod 623 to rotate by the fourth motor 622, driving the two groups of clamping block assemblies 63 to approach each other by the third transmission rod 623, and clamping the surface of the plate-shaped welding part by the two groups of upper clamping blocks 631 on the two groups of clamping block assemblies 63; weldment of different thicknesses can be clamped by adjusting the distance between the clamp block assemblies 63.

After the plate-shaped welding part is fixed through the clamping block assembly 63, the first motor 35 is started according to the length of the welding part, the distance between the two groups of supporting seats 5 is adjusted, the welding seam is aligned, and after the alignment, the welding gun assembly 1 performs welding work along the position of the welding seam.

When the welding shape is a tubular welding part, the distance between the arc-shaped clamping blocks 633 on the two groups of clamping block assemblies 63 is adjusted according to the pipe diameter of the tubular welding part; the fourth motor 622 is started, the fourth motor 622 drives the third transmission rod 623 to rotate, the third transmission rod 623 drives the two groups of clamping block assemblies 63 to approach or separate from each other, and the two groups of arc-shaped clamping blocks 633 on the two groups of clamping block assemblies 63 abut against the inner diameter of the tubular welding part to be clamped; tubular welding parts with different pipe diameters can be clamped by adjusting the distance between the arc-shaped clamping blocks 633 of the two groups of clamping block assemblies 63; the third motor 613 of the motor is started, the third motor 613 drives the transmission shaft 625 to rotate, the transmission shaft 625 drives the clamping block assembly 63 to rotate, the clamping block assembly 63 drives the welding part to rotate, and the welding gun assembly 1 performs annular welding along the welding seam.

When the distance between the welding position and the welding gun assembly 1 is different, the second motor 52 is started, the second motor 52 drives the second transmission rod 55 to rotate, and the second transmission rod 55 drives the first connecting assembly 61 to move up and down, so that the welding gun and the welding position are adjusted.

The preheating assembly 4 comprises a preheating stage 41; for example, as shown in fig. 9, an arc-shaped slot 411 is formed on an upper plate surface of the preheating platform 41; the arc-shaped slot 411 can increase the contact surface of the tubular welding piece and the preheating platform 41; collecting tanks 413 are respectively installed on two sides of the preheating platform 41; an inclined plate 412 is arranged at the joint of one side of the collecting tank 413 and the preheating platform 41; the collecting groove 413 is used for collecting waste materials generated in the welding process, and cleaning work of welding personnel after welding work is facilitated; through the inclined plate 412, the waste material can more easily drop into the collecting tank 413, and the waste material is prevented from remaining on the preheating platform 41.

Two groups of telescopic supporting rods 42 are fixedly installed at the lower end of the preheating platform 41, and the two groups of telescopic supporting rods 42 are symmetrically arranged in parallel; each group of the telescopic support rods 42 is provided with a through hole 421 at the lower end thereof, one group of the through holes 421 penetrates through the first guide rod 34, and the other group of the through holes 421 penetrates through the first guide rod 33.

A first heat conduction hole 414 and a second heat conduction hole 415 are formed in the preheating platform 41; the first heat conduction hole 414 is arranged in parallel with the second heat conduction hole 415; a heat conduction pipe is arranged in the first heat conduction hole 414, and the first heat conduction hole 414 and the second heat conduction hole 415 are communicated with a cooling assembly on the welding gun assembly 1 through heat conduction pipes; the heat in the welding gun assembly 1 is transferred to the preheating platform 41 through the heat transfer pipe, when the welding part is placed on the preheating platform 41, the position of the welding part needing to be welded is preheated by the heat on the preheating platform 41, a better welding effect can be realized, cracks after welding are reduced, and meanwhile, the energy utilization is also improved.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. An automatic change welding equipment which characterized in that: comprises a welding gun component (1), a fixing component (2), a welding platform (3) and a preheating component (4);

the welding gun assembly (1) is movably arranged at the upper end of the welding platform (3); the preheating assembly (4) is fixedly arranged on the welding platform (3) and is positioned right below the welding gun assembly (1);

the fixing component (2) comprises a supporting seat (5) and a clamping component (6);

the two groups of supporting seats (5) are symmetrically arranged on two sides of the preheating assembly (4) and are movably arranged on the welding platform (3);

the two groups of clamping components (6) are symmetrically arranged and are respectively and movably arranged on the group of supporting seats (5);

the clamping assembly (6) comprises a first connecting assembly (61), a second connecting assembly (62) and a clamping block assembly (63); the first connecting component (61) is slidably mounted on the supporting seat (5); the second connecting component (62) is rotatably arranged on one side of the first connecting component (61); two sets of clamp splice subassembly (63) slidable mounting is in second coupling assembling (62) keep away from one side of first coupling assembling (61), and two sets of clamp splice subassembly (63) symmetry each other.

2. An automated welding apparatus according to claim 1, wherein: the supporting seat (5) comprises a box body (51), a first groove (53) is formed in one side face of the box body (51), and second sliding grooves (54) are formed in the inner walls of two sides of the first groove (53); a second motor (52) is fixedly mounted at the upper end of the box body (51), the output end of the second motor (52) is in transmission connection with a second transmission rod (55), and two ends of the second transmission rod (55) respectively and movably penetrate through the upper inner wall and the lower inner wall of the first groove (53);

the first connecting component (61) is in threaded connection with the second transmission rod (55).

3. An automated welding apparatus according to claim 2, wherein: the first connection assembly (61) comprises a first connection plate (611) and a second connection plate (612);

the first connecting plate (611) is fixedly arranged on one side of the second connecting plate (612), and a second threaded hole (614) is formed in the first connecting plate (611); the second threaded hole (614) is in threaded connection with the second transmission rod (55); a group of sliding blocks (615) are fixedly mounted on two sides of the second connecting plate (612) respectively, and the sliding blocks (615) are movably clamped in the second sliding grooves (54);

and a third motor (613) is fixedly arranged on one side of the second connecting plate (612) close to the first connecting plate (611).

4. An automated welding apparatus according to claim 3, wherein: the second connecting assembly (62) comprises a shell (621), a fourth motor (622) is fixedly mounted on the shell (621), and the output end of the fourth motor (622) is in transmission connection with a third transmission rod (623); a second guide rod (624) is arranged in the shell (621), and the third transmission rod (623) and the second guide rod (624) are parallel and symmetrical; two ends of the third transmission rod (623) are respectively provided with thread sections with opposite thread directions;

a transmission shaft (625) is fixedly mounted on one side face of the shell (621), and the transmission shaft (625) is in transmission connection with the third motor (613).

5. An automated welding apparatus according to claim 4, wherein: the clamping block assembly (63) comprises an upper clamping block (631), a connecting rod (632) and an arc-shaped clamping block (633);

the upper end of the upper clamping block (631) is vertically provided with a connecting rod (632), and the upper end of the connecting rod (632) is fixedly provided with an arc-shaped clamping block (633);

one end of the upper clamping block (631) is provided with a third threaded hole (634) and a second guide hole (635); the third threaded hole (634) is in threaded connection with the third transmission rod (623); the second guide hole (635) is connected to the second guide bar (624).

6. An automated welding apparatus according to claim 2, wherein: the welding platform (3) comprises a welding base (31); two groups of first sliding grooves (32) are formed in the upper surface of the welding base (31) along the length direction, and the two groups of first sliding grooves (32) are symmetrically arranged in parallel;

a first transmission rod (34) is rotatably arranged in one group of first sliding grooves (32), and a first guide rod (33) is arranged in the other group of first sliding grooves (32);

a first motor (35) is fixedly installed on one side of the welding base (31), and the output end of the first motor (35) is in transmission connection with the first transmission rod (34) through a coupler; two groups of threads with opposite thread directions are respectively arranged at two ends of the first transmission rod (34); the middle section of the first transmission rod (34) is provided with a smooth section;

two groups of fixture blocks (56) are fixedly mounted at the lower end of the box body (51), and the two groups of fixture blocks (56) are symmetrically arranged;

the clamping block (56) is clamped on the welding base (31);

a group of the clamping blocks (56) is provided with a first threaded hole (57), and a group of the clamping blocks (56) is provided with a first guide hole (58); the first threaded hole (57) is in threaded connection with the first transmission rod (34); the first guide hole (58) is connected with the first guide rod (33).

7. An automated welding apparatus according to claim 6, wherein: four groups of supporting rods (37) are fixedly mounted at the upper end of the welding base (31), and the four groups of supporting rods (37) are symmetrically arranged on two sides of the upper end of the welding base (31);

second sliding rails (36) are respectively and fixedly installed between the supporting rods (37) on the two sides of the welding base (31) along the length direction;

two groups of first sliding blocks (11) are arranged on the welding gun assembly (1); the two groups of first sliding blocks (11) are respectively installed on the one group of second sliding rails (36) in a sliding mode;

a first sliding rail (13) is fixedly arranged between the two groups of first sliding blocks (11).

8. An automated welding apparatus according to claim 6, wherein: the preheating assembly (4) comprises a preheating platform (41); an arc-shaped groove (411) is formed in the upper plate surface of the preheating platform (41); collecting grooves (413) are respectively arranged on two sides of the preheating platform (41); an inclined plate (412) is arranged at the joint of one side of the collecting tank (413) and the preheating platform (41);

two groups of telescopic supporting rods (42) are fixedly arranged at the lower end of the preheating platform (41), and the two groups of telescopic supporting rods (42) are symmetrically arranged in parallel;

each group the lower extreme of flexible bracing piece (42) has seted up through-hole (421), and a set of through-hole (421) run through first transfer line (34), and a set of through-hole (421) run through first guide arm (33).

9. An automated welding apparatus according to claim 8, wherein: a first heat conduction hole (414) and a second heat conduction hole (415) are formed in the preheating platform (41); the first heat conduction hole (414) and the second heat conduction hole (415) are arranged in parallel; a heat conduction pipe is arranged in the first heat conduction hole (414), and the first heat conduction hole (414) and the second heat conduction hole (415) are communicated with the welding gun assembly (1) through heat conduction pipes.

10. An automated welding apparatus according to claim 5, wherein: an upper clamping block heat insulation pad (6311) is arranged on one side surface of the upper clamping block (631) far away from the connecting rod (632); a plurality of groups of bulges are arranged on the upper clamping block heat insulation pad (6311);

the arc-shaped surface of the arc-shaped clamping block (633) is provided with an arc-shaped clamping block heat insulation pad (6331).