An automated welding apparatus

Abstract

The application relates to the field of welding equipment, in particular to an automatic welding equipment which comprises a welding gun assembly, a fixing assembly, a welding platform and a preheating assembly; the fixing assembly comprises support seats and clamping assemblies; the support seats are slidably installed on the welding platform, and two groups of the support seats are located on the two sides of the preheating assembly; the clamping assembly comprises first connecting assemblies, second connecting assemblies and clamping block assemblies; the first connecting assemblies are slidably installed on the support seats; the clamping assemblies are arranged on the fixing assembly; the tubular or plate-shaped welding pieces can be welded through the clamping assemblies; the clamps do not need to be replaced, the welding efficiency is improved; meanwhile, the connecting assemblies are arranged on the clamping assemblies; the welding seams between welding pieces with different shapes can be aligned; the welding seam alignment work does not need to be completed by multiple persons; the labor intensity is reduced; and the practicability of the equipment is improved.

Description

Technical Field

[0001] The invention belongs to the field of welding equipment, and in particular relates to automatic welding equipment. Background Art

[0002] Welding is a process that uses heat, high temperature, or high pressure to melt metal or thermoplastic materials, and then uses the molten metal to connect the objects to be welded. It is widely used in modern industry to splice metals such as pipes and plates to achieve the desired shape.

[0003] With the continuous development of the industry, the types of welding products are increasing, and many parts with unique shapes and structures have emerged. However, the welding fixtures in existing automatic welding equipment are not universal, and the corresponding fixtures need to be replaced multiple times to weld the parts, which is time-consuming and labor-intensive, greatly reducing welding efficiency. Summary of the Invention

[0004] In view of the above problems, the present invention provides an automated welding device, comprising a welding gun assembly, a fixing assembly, a welding platform and a preheating assembly;

[0005] The welding gun assembly is movably mounted on the upper end of the welding platform; the preheating assembly is fixedly mounted on the welding platform and is located directly below the welding gun assembly;

[0006] The fixing assembly includes a support seat and a clamping assembly;

[0007] The two groups of support seats are symmetrically arranged on both sides of the preheating assembly and movably mounted on the welding platform;

[0008] The two groups of clamping assemblies are symmetrically arranged and are movably mounted on one group of the support seats respectively;

[0009] The clamping assembly includes a first connecting assembly, a second connecting assembly and a clamping block assembly; the first connecting assembly is slidably mounted on the support seat; the second connecting assembly is rotatably mounted on one side of the first connecting assembly; two groups of clamping block assemblies are slidably mounted on the side of the second connecting assembly away from the first connecting assembly, and the two groups of clamping block assemblies are symmetrical to each other.

[0010] Furthermore, the support base includes a box body, a first groove is formed on one side of the box body, and second sliding grooves are formed on the inner walls on both sides of the first groove; a second motor is fixedly mounted on the upper end of the box body, and the output end of the second motor is transmission-connected to a second transmission rod, and the two ends of the second transmission rod are respectively movable through the upper and lower inner walls of the first groove;

[0011] The first connecting assembly is threadedly connected to the second transmission rod.

[0012] Furthermore, the first connecting assembly includes a first connecting plate and a second connecting plate;

[0013] The first connecting plate is fixedly mounted on one side of the second connecting plate, and a second threaded hole is formed on the first connecting plate; the second threaded hole is threadedly connected to the second transmission rod; a set of sliders are fixedly mounted on both sides of the second connecting plate, and the sliders are movably engaged in the second sliding grooves;

[0014] A third motor is fixedly mounted on a side of the second connecting plate close to the first connecting plate.

[0015] Furthermore, the second connecting assembly includes a housing, a fourth motor is fixedly mounted on the housing, and an output end of the fourth motor is transmission-connected to a third transmission rod; a second guide rod is provided in the housing, and the third transmission rod is parallel and symmetrical to the second guide rod; and thread segments with opposite thread directions are provided at both ends of the third transmission rod;

[0016] A transmission shaft is fixedly mounted on one side of the housing, and the transmission shaft is in transmission connection with the third motor.

[0017] Furthermore, the clamping block assembly includes an upper clamping block, a connecting rod and an arc-shaped clamping block;

[0018] A connecting rod is vertically provided on the upper end of the upper clamping block, and an arc-shaped clamping block is fixedly installed on the upper end of the connecting rod;

[0019] A third threaded hole and a second guide hole are formed at one end of the upper clamping block; the third threaded hole is threadedly connected to the third transmission rod; and the second guide hole is connected to the second guide rod.

[0020] Furthermore, the welding platform includes a welding base; the upper surface of the welding base is provided with two groups of first sliding grooves along the length direction, and the two groups of first sliding grooves are symmetrically arranged in parallel;

[0021] A first transmission rod is rotatably installed in one group of first chutes, and a first guide rod is installed in another group of first chutes;

[0022] A first motor is fixedly mounted on one side of the welding base, and an output end of the first motor is connected to the first transmission rod through a coupling; two sets of threads with opposite thread directions are respectively provided at both ends of the first transmission rod; a smooth section is provided in the middle section of the first transmission rod;

[0023] Two groups of blocks are fixedly installed at the lower end of the box, and the two groups of blocks are symmetrically arranged;

[0024] The clamping block is clamped on the welding base;

[0025] One group of the clamping blocks is provided with a first threaded hole, and another group of the clamping blocks is provided with a first guide hole; the first threaded hole is threadedly connected to the first transmission rod; and the first guide hole is connected to the first guide rod.

[0026] Furthermore, four groups of support rods are fixedly mounted on the upper end of the welding base, and the four groups of support rods are symmetrically arranged on both sides of the upper end of the welding base;

[0027] Second slide rails are fixedly installed between the support rods on both sides of the welding base along the length direction;

[0028] The welding gun assembly is provided with two sets of first slide blocks; the two sets of first slide blocks are respectively slidably mounted on one set of the second slide rails;

[0029] A first slide rail is fixedly installed between the two groups of first slide blocks on the welding gun assembly.

[0030] Furthermore, the preheating assembly includes a preheating platform; an arc-shaped groove is provided on the upper plate surface of the preheating platform; collecting grooves are respectively installed on both sides of the preheating platform; an inclined plate is installed at the connection between one side of the collecting groove and the preheating platform;

[0031] Two sets of telescopic support rods are fixedly installed at the lower end of the preheating platform, and the two sets of telescopic support rods are arranged in parallel and symmetrically;

[0032] A through hole is formed at the lower end of each group of telescopic support rods. One group of through holes passes through the first transmission rod, and another group of through holes passes through the first guide rod.

[0033] Furthermore, a first heat conducting hole and a second heat conducting hole are provided inside the preheating platform; the first heat conducting hole and the second heat conducting hole are arranged in parallel; a heat conducting tube is provided in the first heat conducting hole, and the first heat conducting hole and the second heat conducting hole are connected to the welding gun assembly through the heat conducting tube.

[0034] Furthermore, a side of the upper clamping block away from the connecting rod is provided with an upper clamping block heat insulation pad; the upper clamping block heat insulation pad is provided with a plurality of groups of protrusions;

[0035] The arc surface of the arc clamping block is provided with an arc clamping block heat insulation pad.

[0036] The beneficial effects of the present invention are:

[0037] 1. The present invention is provided with a fixing assembly, and a clamping assembly is provided on the fixing assembly. Through the clamping assembly, tubular or plate-shaped weldments can be welded without replacing the clamp, thereby improving the welding efficiency; at the same time, by providing a connecting assembly on the clamping assembly, the welds between weldments of different shapes can be aligned, without the need for multiple people to cooperate in the weld alignment work, reducing labor intensity and improving the practicality of the equipment.

[0038] 2. The present invention is provided with a preheating component to fully utilize the heat in the welding gun component to preheat the welded parts. During welding, the preheated welded parts can prevent deformation of the welded parts after welding and reduce welding cracks, while improving energy utilization.

[0039] Other features and advantages of the present invention will be described in the following description, and in part will become apparent from the description, or will be understood by practicing the present invention. The purpose and other advantages of the present invention can be realized and obtained by the structures pointed out in the description, claims and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following is a brief introduction to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0041] Figure 1 A schematic structural diagram of a welding device according to an embodiment of the present invention is shown;

[0042] Figure 2 It shows a schematic structural diagram of a welding platform according to an embodiment of the present invention;

[0043] Figure 3 It shows a schematic structural diagram of a fixing assembly according to an embodiment of the present invention;

[0044] Figure 4 It shows a structural schematic diagram of a support base according to an embodiment of the present invention;

[0045] Figure 5 It shows a schematic structural diagram of a clamping assembly according to an embodiment of the present invention;

[0046] Figure 6 A schematic structural diagram of a first connection component according to an embodiment of the present invention is shown;

[0047] Figure 7 shows a schematic cross-sectional structural diagram of a second connection assembly according to an embodiment of the present invention;

[0048] Figure 8 It shows a schematic structural diagram of a clamping block assembly according to an embodiment of the present invention;

[0049] Figure 9 A structural schematic diagram of a preheating assembly according to an embodiment of the present invention is shown.

[0050] Figure: 1, welding gun assembly; 11, first slide; 12, second slide; 13, first slide rail; 14, welding gun head; 2, fixing assembly; 3, welding platform; 31, welding base; 32, first slide; 33, first guide rod; 34, first transmission rod; 35, first motor; 36, second slide rail; 37, support rod; 4, preheating assembly; 41, preheating platform; 411, arc groove; 412, inclined plate; 413, collecting tank; 414, first heat conduction hole; 415, second heat conduction hole Heat vent; 42, telescopic support rod; 421, through hole; 5, support base; 51, housing; 52, second motor; 53, first groove; 54, second slide; 55, second transmission rod; 56, clamping block; 57, first threaded hole; 58, first guide hole; 6, clamping assembly; 61, first connecting assembly; 611, first connecting plate; 612, second connecting plate; 613, third motor; 614, second threaded hole; 615, slider; 62, second connecting assembly; 621, housing;

[0051] 622, fourth motor; 623, third transmission rod; 624, second guide rod; 625, transmission shaft; 63, clamp block assembly; 631, upper clamp block; 6311, upper clamp block insulation pad; 632, connecting rod; 633, arc-shaped clamp block; 6331, arc-shaped clamp block insulation pad; 634, third threaded hole; 635, second guide hole. DETAILED DESCRIPTION

[0052] To make the objectives, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0053] The embodiment of the present invention provides an automated welding device, comprising a welding gun assembly 1, a fixing assembly 2, a welding platform 3 and a preheating assembly 4. For example, Figure 1 As shown, the welding gun assembly 1 is slidably mounted on the upper end of the welding platform 3; the preheating assembly 4 is fixedly mounted on the welding platform 3 and is located directly below the welding gun assembly 1;

[0054] The two groups of fixed components 2 are slidably installed on the welding platform 3 and are symmetrically arranged; the two groups of fixed components 2 are respectively located on both sides of the preheating component 4, and the two groups of fixed components 2 can move away from or closer to each other along the length direction of the welding platform 3.

[0055] The weldment is placed on the preheating assembly 4, and the part of the weldment that needs to be welded is preheated in advance; the weldment is fixed by the fixing assembly 2, and after fixation, the relative distance between the two sets of fixing assemblies 2 is adjusted according to the length of the weldment, and the weld position of the weldment is aligned; the relative position of the weld of the weldment and the welding gun assembly 1 is adjusted by the fixing assembly 2, and then the welding gun assembly 1 performs welding work on the weldment; when it is necessary to replace weldments of different shapes, it is only necessary to adjust the fixing assembly 2 to fix and clamp weldments of different shapes, without replacing other fixtures, thereby improving welding work efficiency and reducing the labor intensity of welders.

[0056] The welding platform 3 includes a welding base 31; for example, Figure 2 As shown, two groups of first slide grooves 32 are provided on the upper surface of the welding base 31 along the length direction, and the two groups of first slide grooves are symmetrically arranged in parallel; a first transmission rod 34 is rotatably installed in one group of first slide grooves 32, and a first guide rod 33 is installed in the other group of first slide 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 connected to the first transmission rod 34 through a coupling; two groups of threads with opposite thread directions are respectively provided at both ends of the first transmission rod 34; a smooth section is provided in the middle section of the first transmission rod 34; the two groups of fixed components 2 are respectively threadedly connected to the two ends of the first transmission rod 34.

[0057] The first motor 35 is started to drive the first transmission rod 34 to rotate, thereby driving the relative movement of the two groups of the fixing components 2.

[0058] The preheating assembly 4 passes through the middle section of the first transmission rod 34 and is fixedly mounted on the welding platform 3 .

[0059] Four groups of support rods 37 are fixedly installed on the upper end of the welding base 31, and the four groups of support rods 37 are symmetrically arranged on both sides of the upper end of the welding base 31; a group of second slide rails 36 is fixedly installed between the support rods 37 on both sides of the welding base 31 along the length direction.

[0060] The welding gun assembly 1 is provided with two groups of first sliders 11, and the two groups of first sliders 11 are respectively slidably mounted on a group of second slide rails 36; through the two groups of first sliders 11 and the two groups of second slide rails 36, the welding gun assembly 1 can move along the length direction of the welding platform 3.

[0061] A first slide rail 13 is fixedly installed between the two groups of first sliders 11, and a welding gun head 14 is fixedly installed on the movable seat of the first slide rail 13, and the welding gun head 14 can move on the first slide rail 13; the direction of movement of the welding gun head 14 on the first slide rail 13 is perpendicular to the direction of movement of the welding gun assembly 1 in the longitudinal direction of the welding platform 3.

[0062] The welding gun head 14 is provided with a cooling assembly (not shown in the figure), which can cool the temperature of the welding gun head 14 to prevent the high temperature of the welding gun head 14 from overheating and causing damage to the parts of the welding gun, thereby affecting the welding work.

[0063] Exemplarily, the cooling assembly can adopt the cooling water channel of the cooling method disclosed in patent number CN101380690B, including an inlet channel, a return channel and an inlet and return water channel; an inlet channel and a return water channel are respectively formed axially between the cooling tube barrel and the insulating bushing, and the two rear ends of the axial inlet channel and the axial return water channel disclosed in the patent are respectively connected to the external inlet pipe and the external return pipe provided on the gun body, thereby achieving the purpose of circulating water cooling the gun body.

[0064] The preheating component 4 is connected to the return water channel through a pipeline. By introducing the hot water flowing through the welding gun into the preheating component 4, the heat can be transferred to the preheating component 4 to achieve preheating of the weldment.

[0065] The fixing assembly 2 includes a support base 5 and a clamping assembly 6; for example, Figure 3 and Figure 4 As shown, the clamping assembly 6 is slidably installed on one side of the support base 5; the support base 5 includes a box body 51, a first groove 53 is opened on one side of the box body 51, and second sliding grooves 54 are opened on the inner walls on both sides of the first groove 53; a second motor 52 is fixedly installed on the upper end of the box body 51, and the output end of the second motor 52 is transmission-connected to the second transmission rod 55, and the two ends of the second transmission rod 55 are respectively movable through the upper and lower inner walls of the first groove 53; the clamping assembly 6 is threadedly connected to the second transmission rod 55, and through the second sliding groove 54, the clamping assembly 6 can slide up and down in the first groove 53.

[0066] Two groups of clamping blocks 56 are fixedly mounted on the lower end of the box body 51, and the two groups of clamping blocks 56 are symmetrically arranged; the clamping blocks 56 are clamped on the welding base 31;

[0067] A first threaded hole 57 is also provided on one group of the clamping blocks 56, and a first guide hole 58 is also provided on one group of the clamping blocks 56; the first threaded hole 57 is threadedly connected to the first transmission rod 34; the first guide hole 58 is connected to the first guide rod 33; through the first threaded hole 57 and the first guide hole 58, the support seat 5 can move along the length direction of the welding base 31.

[0068] The clamping assembly 6 includes a first connecting assembly 61, a second connecting assembly 62 and a clamping block assembly 63. For example, Figure 5 As shown, the second connecting component 62 is rotatably mounted on one side of the first connecting component 61; the two groups of clamping block assemblies 63 are slidably mounted on the side of the second connecting component 62 away from the first connecting component 61, and the two groups of clamping block assemblies 63 are symmetrical to each other.

[0069] Furthermore, the first connecting assembly 61 includes a first connecting plate 611 and a second connecting plate 612; illustratively, as Figure 6 As shown, the first connecting plate 611 is fixedly installed on one side of the second connecting plate 612, and a second threaded hole 614 is opened on the first connecting plate 611; the second threaded hole 614 is threadedly connected to the second transmission rod 55; sliders 615 are fixedly installed on both sides of the second connecting plate 612, and the sliders 615 are movably engaged in the second slide groove 54; through the second threaded hole 614 and the sliders 615, the first connecting component 61 can slide up and down in the support base 5; the third motor 613 is fixedly installed on the side of the second connecting plate 612 close to the first connecting plate 611.

[0070] The second connecting assembly 62 includes a housing 621, illustratively, as Figure 7 As shown, a fourth motor 622 is fixedly mounted on the housing 621, and the output end of the fourth motor 622 is transmission-connected to a third transmission rod 623; a second guide rod 624 is provided in the housing 621, and the third transmission rod 623 and the second guide rod 624 are parallel and symmetrical; both ends of the third transmission rod 623 are respectively provided with thread segments with opposite thread directions.

[0071] A transmission shaft 625 is fixedly mounted on one side of the housing 621 , and the transmission shaft 625 is in transmission connection with the third motor 613 ; when the third motor 613 is started, the third motor 613 drives the transmission shaft 625 to rotate, and the transmission shaft 625 drives the housing 621 to rotate.

[0072] The clamping block assembly 63 includes an upper clamping block 631, a connecting rod 632 and an arc-shaped clamping block 633. For example, Figure 8As shown, one end of a connecting rod 632 is vertically provided at the upper end of the upper clamping block 631, and an arc-shaped clamping block 633 is fixedly installed at the upper end of the connecting rod 632; a third threaded hole 634 and a second guide hole 635 are formed at one end of the upper clamping block 631; the third threaded hole 634 is threadedly connected to the third transmission rod 623; the second guide hole 635 is connected to the second guide rod 624;

[0073] Preferably, an upper clamping block thermal insulation pad 6311 is provided on a side of the upper clamping block 631 away from the connecting rod 632. By providing the upper clamping block thermal insulation pad 6311, the welding part can be prevented from transferring heat to the upper clamping block 631 during the welding process, thereby avoiding the heat affecting the clamping force between the upper clamping block 631 and the surface of the welding part; a plurality of groups of protrusions are provided on the upper clamping block thermal insulation pad 6311, which can increase the clamping force between the surface of the welding part and the upper clamping block 631.

[0074] The arc surface of the arc clamping block 633 is provided with an arc clamping block heat insulation pad 6331 . By providing the arc clamping block heat insulation pad 6331 , the contact friction between the arc clamping block 633 and the welding part is increased.

[0075] The upper clamping blocks 631 on one group of the clamping block assemblies 63 are arranged opposite to the upper clamping blocks 631 on another group of the clamping block assemblies 63 .

[0076] Place a plate-shaped weldment between the two groups of the clamping block assemblies 63, start the fourth motor 622, and the fourth motor 622 drives the third transmission rod 623 to rotate. The third transmission rod 623 drives the two groups of the clamping block assemblies 63 to approach each other. The two groups of upper clamps 631 on the two groups of the clamping block assemblies 63 clamp the surface of the plate-shaped weldment; by adjusting the distance between the clamping block assemblies 63, weldments of different thicknesses can be clamped.

[0077] After the plate-shaped welding part is fixed by the clamping block assembly 63, the first motor 35 is started according to the length of the welding part, and the distance between the two groups of the support seats 5 is adjusted to align the weld. After alignment, the welding gun assembly 1 performs welding along the weld position.

[0078] When the welding shape is a tubular welded part, the distance between the arc-shaped clamping blocks 633 on the two groups of the clamping block assemblies 63 is adjusted according to the diameter of the tubular welded part; the fourth motor 622 is started, and the fourth motor 622 drives the third transmission rod 623 to rotate, and the third transmission rod 623 drives the two groups of the clamping block assemblies 63 to move closer to or away from each other, and the two groups of arc-shaped clamping blocks 633 on the two groups of the clamping block assemblies 63 contact the inner diameter of the tubular welded part to a clamping state; by adjusting the distance between the arc-shaped clamping blocks 633 of the two groups of the clamping block assemblies 63, tubular welded parts of different diameters can be clamped; the third motor 613 is started, and the third motor 613 drives the transmission shaft 625 to rotate, and the transmission shaft 625 drives the clamping block assembly 63 to rotate, and the clamping block assembly 63 drives the welded part to rotate, and the welding gun assembly 1 performs annular welding along the weld seam.

[0079] When there is a difference in the distance between the weld position and the welding gun assembly 1, 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, thereby adjusting the position of the welding gun and the weld.

[0080] The preheating assembly 4 includes a preheating platform 41; illustratively, as Figure 9 As shown, an arc-shaped groove 411 is provided on the upper plate surface of the preheating platform 41; the arc-shaped groove 411 can increase the contact surface between the tubular welding part and the preheating platform 41; collecting grooves 413 are respectively installed on both sides of the preheating platform 41; an inclined plate 412 is installed at the connection between one side of the collecting groove 413 and the preheating platform 41; the collecting groove 413 is used to collect waste generated during the welding process, which is convenient for welders to clean up after welding; through the provision of the inclined plate 412, waste is more likely to fall into the collecting groove 413, preventing waste from remaining on the preheating platform 41.

[0081] Two groups of telescopic support rods 42 are fixedly installed at the lower end of the preheating platform 41, and the two groups of telescopic support rods 42 are arranged in parallel and symmetrically; a through hole 421 is opened at the lower end of each group of telescopic support rods 42, one group of the through holes 421 passes through the first transmission rod 34, and the other group of the through holes 421 passes through the first guide rod 33.

[0082] The preheating platform 41 is provided with a first heat conducting hole 414 and a second heat conducting hole 415 in parallel. The first heat conducting hole 414 is provided with a heat conducting pipe, and the first heat conducting hole 414 and the second heat conducting hole 415 are connected to the cooling assembly on the welding gun assembly 1 through the heat conducting pipe. The heat in the welding gun assembly 1 is transferred to the preheating platform 41 through the heat conducting pipe. When the weldment is placed on the preheating platform 41, the heat on the preheating platform 41 preheats the weldment at the position to be welded, thereby achieving a better welding effect, reducing cracks after welding, and improving energy utilization.

[0083] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An automated welding equipment, characterized in that: It includes a welding gun assembly (1), a fixing assembly (2), a welding platform (3) and a preheating assembly (4); The welding gun assembly (1) is movably mounted on the upper end of the welding platform (3); the preheating assembly (4) is fixedly mounted on the welding platform (3) and is located directly below the welding gun assembly (1); The fixing assembly (2) comprises a support seat (5) and a clamping assembly (6); Two groups of support seats (5) are symmetrically arranged on both sides of the preheating component (4) and movably mounted on the welding platform (3); The welding platform (3) includes a welding base (31); the upper surface of the welding base (31) is provided with two groups of first sliding grooves (32) 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 mounted in one set of first chutes (32), and a first guide rod (33) is mounted in another set of first chutes (32); The two groups of clamping assemblies (6) are symmetrically arranged and are movably mounted on one group of support 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 assembly (61) is slidably mounted on the support seat (5); the second connecting assembly (62) is rotatably mounted on one side of the first connecting assembly (61); two groups of the clamping block assemblies (63) are slidably mounted on a side of the second connecting assembly (62) away from the first connecting assembly (61), and the two groups of the clamping block assemblies (63) are symmetrical to each other; The preheating assembly (4) includes a preheating platform (41); an arc-shaped groove (411) is provided on the upper plate surface of the preheating platform (41); collecting grooves (413) are respectively installed on both sides of the preheating platform (41); an inclined plate (412) is installed at the connection between one side of the collecting groove (413) and the preheating platform (41); Two sets of telescopic support rods (42) are fixedly mounted on the lower end of the preheating platform (41), and the two sets of telescopic support rods (42) are arranged in parallel and symmetrically; A through hole (421) is formed at the lower end of each group of telescopic support rods (42), one group of through holes (421) passes through the first transmission rod (34), and another group of through holes (421) passes through the first guide rod (33); A first heat conducting hole (414) and a second heat conducting hole (415) are provided inside the preheating platform (41); the first heat conducting hole (414) and the second heat conducting hole (415) are arranged in parallel; a heat conducting pipe is provided in the first heat conducting hole (414), and the first heat conducting hole (414) and the second heat conducting hole (415) are connected to the welding gun assembly (1) through the heat conducting pipe.

2. The automated welding equipment according to claim 1, characterized in that: The support seat (5) includes a box body (51), a first groove (53) is provided on one side of the box body (51), and second sliding grooves (54) are provided on the inner walls on both sides of the first groove (53); a second motor (52) is fixedly mounted on the upper end of the box body (51), and the output end of the second motor (52) is connected to a second transmission rod (55) in a transmission manner, and the two ends of the second transmission rod (55) are respectively movable and penetrate the upper and lower inner walls of the first groove (53); The first connecting assembly (61) is threadedly connected to the second transmission rod (55).

3. The automated welding equipment according to claim 2, characterized in that: The first connecting assembly (61) comprises a first connecting plate (611) and a second connecting plate (612); The first connecting plate (611) is fixedly mounted on one side of the second connecting plate (612), and a second threaded hole (614) is provided on the first connecting plate (611); the second threaded hole (614) is threadedly connected to the second transmission rod (55); a group of sliders (615) are fixedly mounted on both sides of the second connecting plate (612), and the sliders (615) are movably engaged in the second sliding groove (54); A third motor (613) is fixedly mounted on a side of the second connecting plate (612) close to the first connecting plate (611).

4. The automated welding equipment according to claim 3, characterized in that: The second connecting assembly (62) comprises a housing (621), a fourth motor (622) is fixedly mounted on the housing (621), and an output end of the fourth motor (622) is transmission-connected to a third transmission rod (623); a second guide rod (624) is provided in the housing (621), and the third transmission rod (623) and the second guide rod (624) are parallel and symmetrical; and threaded sections with opposite thread directions are provided at both ends of the third transmission rod (623); A transmission shaft (625) is fixedly mounted on one side of the housing (621), and the transmission shaft (625) is in transmission connection with the third motor (613).

5. The automated welding equipment according to claim 4, characterized in that: The clamping block assembly (63) comprises an upper clamping block (631), a connecting rod (632) and an arc-shaped clamping block (633); A connecting rod (632) is vertically provided at the upper end of the upper clamping block (631), and an arc-shaped clamping block (633) is fixedly mounted at the upper end of the connecting rod (632); A third threaded hole (634) and a second guide hole (635) are formed at one end of the upper clamping block (631); the third threaded hole (634) is threadedly connected to the third transmission rod (623); and the second guide hole (635) is connected to the second guide rod (624).

6. The automated welding equipment according to claim 2, characterized in that: A first motor (35) is fixedly mounted on one side of the welding base (31), and an output end of the first motor (35) is transmission-connected to the first transmission rod (34) via a coupling; two sets of threads with opposite thread directions are respectively provided at both ends of the first transmission rod (34); a smooth section is provided in the middle section of the first transmission rod (34); Two groups of clamping blocks (56) are fixedly mounted on the lower end of the box body (51), and the two groups of clamping blocks (56) are symmetrically arranged; The clamping block (56) is clamped on the welding base (31); A first threaded hole (57) is formed on one group of the clamping blocks (56), and a first guide hole (58) is formed on one group of the clamping blocks (56); the first threaded hole (57) is threadedly connected to the first transmission rod (34); and the first guide hole (58) is connected to the first guide rod (33).

7. The automated welding equipment according to claim 6, characterized in that: Four groups of support rods (37) are fixedly mounted on the upper end of the welding base (31), and the four groups of support rods (37) are symmetrically arranged on both sides of the upper end of the welding base (31); A second slide rail (36) is fixedly mounted between the support rods (37) on both sides of the welding base (31) along the length direction; The welding gun assembly (1) is provided with two groups of first slide blocks (11); the two groups of first slide blocks (11) are respectively slidably mounted on a group of second slide rails (36); A first slide rail (13) is fixedly installed between the two groups of first sliding blocks (11).

8. The automated welding equipment according to claim 5, characterized in that: An upper clamping block heat insulation pad (6311) is provided on a side of the upper clamping block (631) away from the connecting rod (632); a plurality of groups of protrusions are provided 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).

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