WO2023019711A1

WO2023019711A1 - Automatic welding equipment

Info

Publication number: WO2023019711A1
Application number: PCT/CN2021/124328
Authority: WO
Inventors: 刘利祥; 徐春风; 陈浩; 陈大建; 吕建河
Original assignee: 浙江嘉泰激光科技股份有限公司
Priority date: 2021-08-20
Filing date: 2021-10-18
Publication date: 2023-02-23
Also published as: CN113770574A

Abstract

The present invention relates to the field of welding equipment, and in particular, to automatic welding equipment, comprising a welding gun assembly, a fixing assembly, a welding platform, and a preheating assembly. The fixing assembly comprises supporting bases and clamping assemblies. The supporting bases are slidably installed on the welding platform, and two sets of the supporting bases are located on two sides of the preheating assembly. Each clamping assembly comprises a first connecting assembly, a second connecting assembly, and clamping block assemblies. The first connecting assemblies are slidably installed on the supporting bases. By providing the clamping assemblies on the fixing assembly, tubular or plate-shaped parts to be welded can be welded by means of the clamping assemblies, without replacing a fixture, thereby improving the welding efficiency; moreover, by providing the connecting assemblies on the clamping assemblies, the alignment of welding seams between parts to be welded of different shapes can be achieved, without the cooperation of multiple persons, thereby reducing the labor intensity, and improving the practicability of the equipment.

Description

A kind of automatic welding equipment

technical field

The invention belongs to the field of welding equipment, in particular to an automatic welding equipment.

Background technique

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

With the continuous development of the industry, there are more and more types of welding products, and many parts with special shapes and structures have appeared. However, the welding fixtures in the existing automatic welding equipment have poor versatility, and the corresponding fixtures need to be replaced many times to weld the welded parts, which is time-consuming and laborious, and greatly reduces the welding efficiency.

Contents of the invention

In view of the above problems, the present invention provides an automatic welding equipment, including a welding torch assembly, a fixing assembly, a welding platform and a preheating assembly;

The welding torch assembly is movably installed on the upper end of the welding platform; the preheating assembly is fixedly installed on the welding platform and is located directly below the welding torch assembly;

The fixing assembly includes a support base and a clamping assembly;

The two sets of support bases are arranged symmetrically on both sides of the preheating assembly, and are movably installed on the welding platform;

The two sets of clamping components are arranged symmetrically, and are respectively movably mounted on one set of the support bases;

The clamping assembly includes a first connecting assembly, a second connecting assembly and a clamping block assembly; the first connecting assembly is slidably installed on the support seat; the second connecting assembly is rotatably installed on the first connecting assembly One side of the clamping block assembly; two sets of clamping block assemblies are slidably installed on the side of the second connecting assembly away from the first connecting assembly, and the two sets of clamping block assemblies are symmetrical to each other.

Further, the support seat includes a box body, a first groove is opened on one side of the box body, and second slide grooves are opened on the inner walls of both sides of the first groove; the upper end of the box body is fixed A second motor is installed, the output end of the second motor is connected with a second transmission rod, and the two ends of the second transmission rod respectively move through the upper and lower inner walls of the first groove;

The first connection assembly is threadedly connected to the second transmission rod.

Further, the first connection assembly includes a first connection plate and a second connection plate;

The first connecting plate is fixedly installed on one side of the second connecting plate, and a second threaded hole is opened on the first connecting plate; the second threaded hole is threadedly connected with the second transmission rod; the A set of sliders are respectively fixedly installed on both sides of the second connecting plate, and the sliders are movably clamped in the second chute;

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

Further, the second connection assembly includes a housing, on which a fourth motor is fixedly installed, and the output end of the fourth motor is connected to a third transmission rod in transmission; the housing is provided with a second guide rod, the third transmission rod and the second guide rod are parallel and symmetrical; the two ends of the third transmission rod are respectively provided with thread segments with opposite thread directions;

A transmission shaft is fixedly installed on one side of the housing, and the transmission shaft is in transmission connection with the third motor.

Further, the clamp block assembly includes an upper clamp block, a connecting rod and an arc clamp 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 equipped 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 threadedly connected with the third transmission rod; the second guide hole is connected with the second guide rod.

Further, the welding platform includes a welding base; the upper surface of the welding base is provided with two groups of first chutes along the length direction, and the two groups of first chutes are symmetrically arranged in parallel;

A first transmission rod is installed in rotation in one group of first chute, and a first guide rod is installed in the other group of first chute;

A first motor is fixedly installed on one side of the welding base, and the output end of the first motor is connected to the first transmission rod through a coupling; Threads with opposite thread directions; the middle section of the first transmission rod is provided with a smooth section;

The lower end of the box body is fixedly installed with two sets of clamping blocks, and the two sets of clamping blocks are arranged symmetrically;

The clamping block is clamped on the welding base;

A first threaded hole is opened on a set of blocks, and a first guide hole is opened on a set of blocks; the first threaded hole is threadedly connected with the first transmission rod; the first guide hole Connect with the first guide rod.

Further, four sets of support rods are fixedly installed on the upper end of the welding base, and the four sets of support rods are symmetrically arranged on both sides of the upper end of the welding base;

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

The welding torch assembly is provided with two sets of first sliders; the two sets of first sliders are respectively slidably installed on a set of second slide rails;

A first sliding rail is fixedly installed between the two groups of first sliding blocks on the welding torch assembly.

Further, the preheating assembly includes a preheating platform; arc-shaped grooves are opened on the upper plate of the preheating platform; collecting tanks are respectively installed on both sides of the preheating platform; one side of the collecting tank A sloping plate is installed at the connection with the preheating platform;

Two sets of telescopic support rods are fixedly installed on the lower end of the preheating platform, and the two groups of telescopic support rods are arranged parallel and symmetrically;

The lower ends of each set of telescopic support rods are provided with through holes, one set of through holes penetrates through the first transmission rod, and one set of through holes penetrates through the first guide rod.

Further, the inside of the preheating platform is provided with a first heat conduction hole and a second heat conduction hole; the first heat conduction hole is arranged in parallel with the second heat conduction hole; a heat conduction pipe is arranged in the first heat conduction hole, The first heat conduction hole and the second heat conduction hole communicate with the welding torch assembly through a heat conduction pipe.

Further, the side of the upper clamping block away from the connecting rod is provided with an upper clamping block heat insulating pad; the upper clamping block heat insulating pad is provided with several groups of protrusions;

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

The beneficial effects of the present invention are:

1. The present invention is provided with a fixing assembly, and a clamping assembly is arranged on the fixing assembly. Through the clamping assembly, the tubular or plate-shaped weldment can be welded without changing the fixture, which improves the welding efficiency; at the same time, through the The clamping component is equipped with a connecting component, which can realize the alignment of the welds between the weldments of different shapes, without the cooperation of multiple people to carry out the alignment of the welds, reducing labor intensity and improving the practicability of the equipment.

2. The present invention is provided with a preheating assembly, which fully utilizes the heat in the welding torch assembly to preheat the workpiece to be welded. When the preheated weldment is welded, it can prevent the deformation of the welded piece after welding and reduce welding cracks. At the same time improve the utilization rate of energy.

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

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 shows a schematic structural view of a welding device according to an embodiment of the present invention;

Fig. 2 shows a schematic structural view of a welding platform according to an embodiment of the present invention;

FIG. 3 shows a schematic structural diagram of a fixing assembly according to an embodiment of the present invention;

Fig. 4 shows a schematic structural diagram of a support seat according to an embodiment of the present invention;

Fig. 5 shows a schematic structural diagram of a clamping assembly according to an embodiment of the present invention;

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

Fig. 7 shows a schematic cross-sectional structure diagram of a second connection assembly according to an embodiment of the present invention;

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

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

In the figure: 1, welding gun assembly; 11, first slider; 12, second slider; 13, first slide rail; 14, welding gun head; 2, fixed component; 3, welding platform; 31, welding base; 32. First chute; 33. First guide rod; 34. First transmission rod; 35. First motor; 36. Second slide rail; 37. Support rod; 4. Preheating component; 41. Preheating platform ; 411, arc groove; 412, inclined plate; 413, collection tank; 414, the first heat conduction hole; 415, the second heat conduction hole; 42, telescopic support rod; 421, through hole; 52, the second motor; 53, the first groove; 54, the second chute; 55, the second transmission rod; 56, the block; 57, the first threaded hole; 58, the first guide hole; 6, Clamping assembly; 61, first connection assembly; 611, first connection plate; 612, second connection plate; 613, third motor; 614, second threaded hole; 615, slider; 62, second connection assembly; 621. Shell;

622, the fourth motor; 623, the third transmission rod; 624, the second guide rod; 625, the transmission shaft; 63, the clamp block assembly; 631, the upper clamp block; 6311, the upper clamp block heat insulation pad; ; 633, arc-shaped clamp block; 6331, arc-shaped clamp block heat insulation pad; 634, the third threaded hole; 635, the second guide hole.

Detailed ways

In order to make the purpose, 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 in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

An embodiment of the present invention provides an automatic welding device, including a welding torch assembly 1 , a fixing assembly 2 , a welding platform 3 and a preheating assembly 4 . Exemplarily, as shown in FIG. 1 , the welding torch assembly 1 is slidably installed on the upper end of the welding platform 3; the preheating assembly 4 is fixedly installed on the welding platform 3 and is located at the Directly below;

The two sets of fixing assemblies 2 are slidingly installed on the welding platform 3 and arranged symmetrically; the two sets of fixing assemblies 2 are located on both sides of the preheating assembly 4 respectively, and the two sets of fixing assemblies 2 can be positioned along the The longitudinal direction of the welding platform 3 is moved away from or close to each other.

Place the weldment on the preheating assembly 4, and preheat the part of the weldment that needs to be welded in advance; fix the weldment through the fixing assembly 2, and adjust the two sets of fixing assemblies 2 according to the length of the welding piece after fixing The relative distance of the welding seam of the welding piece is aligned; the relative position of the welding seam of the welding piece and the welding torch assembly 1 is adjusted through the fixing assembly 2, and then the welding torch assembly 1 performs welding work on the welding piece; when required When replacing welded parts of different shapes, only need to adjust the fixing assembly 2 to fix and clamp the welded parts of different shapes without replacing other clamps, which improves the welding work efficiency and reduces the labor intensity of welders.

The welding platform 3 includes a welding base 31; for example, as shown in FIG. 2 , two sets of first sliding grooves 32 are provided on the upper surface of the welding base 31 along the length direction, and the first sliding grooves of the two groups are symmetrical Arranged in parallel; a first transmission rod 34 is installed in rotation in one group of first chute 32, and a first guide rod 33 is installed in another group of first chute 32; one side of the welding base 31 is fixedly installed with a first A motor 35, the output end of the first motor 35 is connected to the first transmission rod 34 through a coupling; the two ends of the first transmission rod 34 are respectively provided with two groups of threads with opposite thread directions; The middle section of the first transmission rod 34 is provided with a smooth section; two groups of the fixing components 2 are screwed to both ends of the first transmission rod 34 respectively.

Start the first motor 35 to drive the first transmission rod 34 to rotate, thereby driving the relative movement of the two groups of the fixing components 2 .

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

The upper end of the welding base 31 is fixedly equipped with four sets of support rods 37, and the four groups of support rods 37 are symmetrically arranged on both sides of the upper end of the welding base 31; the support on both sides of the welding base 31 along the length direction A group of second sliding rails 36 are respectively fixedly installed between the rods 37 .

The welding torch 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 the second slide rails 36; through the two groups of first sliders 11 and the two A set of second sliding rails 36 , the welding torch assembly 1 can move along the length direction of the welding platform 3 .

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

The welding torch head 14 is provided with a cooling assembly (not shown in the figure), which can cool the temperature on the welding torch head 14 to prevent the welding torch from zero due to the high temperature overheating of the welding torch head 14. Component damage affects welding work.

Exemplarily, the cooling assembly can adopt the cooling water channel of the cooling method disclosed in the patent No. CN101380690B, including the water inlet channel, the return water channel and the inlet and return water channel; The two rear ends of the axial water inlet channel and the axial return water channel disclosed in this patent are respectively connected with the external water inlet pipe and the external return water pipe provided on the gun body, so as to realize circulation The purpose of water cooling gun body.

The preheating component 4 communicates with the return water channel through a pipe, and heat can be conducted to the preheating component 4 by introducing the heated water flowing through the torch into the preheating component 4 , to achieve preheating of the weldment.

The fixing assembly 2 includes a support base 5 and a clamping assembly 6; for example, as shown in Figure 3 and Figure 4, 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 a second sliding groove 54 is opened on the inner walls of both sides of the first groove 53; the upper end of the box body 51 is fixed A second motor 52 is installed, and the output end of the second motor 52 is connected with a second transmission rod 55, and the two ends of the second transmission rod 55 respectively move 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 the clamping assembly 6 can slide up and down in the first groove 53 through the second sliding slot 54 .

The lower end of the box body 51 is fixedly installed with two sets of clamping blocks 56, and the two sets of clamping blocks 56 are arranged symmetrically; the clamping blocks 56 are clamped on the welding base 31;

A first threaded hole 57 is also provided on one group of the clamping blocks 56, and a first guide hole 58 is provided on one group of the clamping blocks 56; the first threaded hole 57 is threadedly connected with 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 be along the length direction of the welding base 31 move.

The clamping assembly 6 includes a first connecting assembly 61 , a second connecting assembly 62 and a clamping block assembly 63 . Exemplarily, as shown in FIG. 5 , the second connection assembly 62 is rotatably installed on one side of the first connection assembly 61; One side of the first connecting component 61 and two sets of clamping block components 63 are symmetrical to 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 connection plate 611 is fixedly mounted on the second connection plate 612 One side of the first connecting plate 611 is provided with a second threaded hole 614; the second threaded hole 614 is threadedly connected with the second transmission rod 55; the two sides of the second connecting plate 612 are respectively fixed A slide block 615 is installed, and the slide block 615 is movably engaged in the second sliding groove 54; through the second threaded hole 614 and the slide block 615, the first connection assembly 61 can be connected in the The support seat 5 slides up and down; the side of the second connecting plate 612 close to the first connecting plate 611 is fixedly mounted with a third motor 613 .

The second connection assembly 62 includes a housing 621. Exemplarily, as shown in FIG. Transmission rod 623; the housing 621 is provided with a second guide rod 624, the third transmission rod 623 and the second guide rod 624 are parallel and symmetrical; the two ends of the third transmission rod 623 are respectively provided with threads Thread segments in opposite directions.

A transmission shaft 625 is fixedly installed on one side of the housing 621, and the transmission shaft 625 is in transmission connection with the third motor 613; the third motor 613 is started, and the third motor 613 drives the transmission shaft 625 Rotate, the transmission shaft 625 drives the housing 621 to rotate.

The clamping block assembly 63 includes an upper clamping block 631 , a connecting rod 632 and an arc clamping block 633 . Exemplarily, as shown in Figure 8, the upper end of the upper clamping block 631 is vertically provided with one end of a connecting rod 632, and the upper end of the connecting rod 632 is fixedly equipped with an arc-shaped clamping block 633; the upper clamping block 631 One end of one end is provided with a third threaded hole 634 and a second guide hole 635; the third threaded hole 634 is threadedly connected with the third transmission rod 623; the second guide hole 635 is connected with the second guide rod 624 ;

Preferably, the side of the upper clamping block 631 away from the connecting rod 632 is provided with an upper clamping block thermal insulation pad 6311, by setting the upper clamping block thermal insulation pad 6311, it is possible to prevent the welded part from being damaged during the welding process. The heat is conducted to the upper clamping block 631 to avoid the heat from affecting the clamping force between the upper clamping block 631 and the surface of the weldment; the upper clamping block heat insulating pad 6311 is provided with several groups of protrusions, which can Increase the clamping force between the surface of the weldment and the upper clamping block 631 .

The arc-shaped clamping block 633 is provided with an arc-shaped clamping block heat insulating pad 6331, and by setting the arc-shaped clamping block heat-insulating pad 6331, the contact between the arc-shaped clamping block 633 and the weldment is increased friction.

The upper clamping blocks 631 on one set of clamping block assemblies 63 are opposite to the upper clamping blocks 631 on the other set of clamping block assemblies 63 .

Place the plate-shaped welding piece between the two groups of clamping block assemblies 63, start the fourth motor 622, and the fourth motor 622 drives the third transmission rod 623 to rotate, and the third transmission rod 623 rotates. The rod 623 drives the two sets of clamping block assemblies 63 to approach each other, and the two sets of upper clamping blocks 631 on the two sets of clamping block assemblies 63 clamp the surface of the plate-shaped weldment; by adjusting the clamping block assembly The distance between 63 can clamp weldments of different thicknesses.

After the plate-shaped welded part is fixed by the clamp block assembly 63, according to the length of the welded part, start the first motor 35, adjust the distance between the two groups of support seats 5, and align the weld seam. The welding gun assembly 1 performs welding work along the position of the welding seam.

When the welding shape is a tubular weldment, according to the diameter of the tubular weldment, adjust the distance between the two groups of arc-shaped clamping blocks 633 on the clamping block assembly 63; start the fourth motor 622, the fourth The motor 622 drives the third transmission rod 623 to rotate, and the third transmission rod 623 drives the two groups of clamping block assemblies 63 to approach or move away from each other, and the two groups of arc clamping blocks 633 on the two groups of clamping block assemblies 63 Contradict the inner diameter of the tubular weldment to the clamped state; by adjusting the distance between the arc-shaped clamp blocks 633 of the two sets of clamp block assemblies 63, the tubular weldment with different pipe diameters can be clamped; start the third motor The motor 613, the third motor 613 drives the transmission shaft 625 to rotate, the transmission shaft 625 drives the clamp block assembly 63 to rotate, the clamp block assembly 63 drives the weldment to rotate, and the welding torch assembly 1 performs circular welding work along the welding seam .

When there is a difference in the distance between the welding seam position and the welding torch assembly 1, the second motor 52 is started, and the second motor 52 drives the second transmission rod 55 to rotate, and the second transmission rod 55 drives the first The connection assembly 61 moves up and down, thereby realizing the adjustment of the position of the welding torch and the welding seam.

The preheating assembly 4 includes a preheating platform 41; for example, as shown in FIG. 9, an arc-shaped groove 411 is opened on the upper surface of the preheating platform 41; The contact surface of the tubular weldment and the preheating platform 41; the two sides of the preheating platform 41 are respectively equipped with collecting tanks 413; There is a sloping plate 412; the collection tank 413 is used to collect the waste generated during the welding process, which is convenient for the welding personnel to clean up after welding; through the provided sloping plate 412, the waste material is more likely to fall into the collection tank 413, Prevent waste from remaining on the preheating platform 41 .

The lower end of the preheating platform 41 is fixedly equipped with two groups of telescopic support rods 42, and the two groups of telescopic support rods 42 are arranged in parallel and symmetrically; The hole 421 runs through the first transmission rod 34 , and a group of the through holes 421 runs through the first guide rod 33 .

The inside of the preheating platform 41 is provided with a first heat conduction hole 414 and a second heat conduction hole 415; the first heat conduction hole 414 is arranged in parallel with the second heat conduction hole 415; the first heat conduction hole 414 is provided with The heat conduction pipe, the first heat conduction hole 414 and the second heat conduction hole 415 communicate with the cooling assembly on the welding torch assembly 1 through the heat conduction pipe; the heat in the welding torch assembly 1 is transferred to the heat conduction pipe through the heat conduction pipe. on the preheating platform 41, when the weldment is placed on the preheating platform 41, the heat on the preheating platform 41 preheats the position of the weldment to be welded, which can achieve better welding The effect is to reduce cracks after welding and improve energy utilization.

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 perform equivalent replacements for some of the technical features; and these The modification or replacement does not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

An automatic welding device, characterized in that it includes a welding torch assembly (1), a fixing assembly (2), a welding platform (3) and a preheating assembly (4);

The welding torch assembly (1) is movably installed on the upper end of the welding platform (3); the preheating assembly (4) is fixedly installed on the welding platform (3) and is located at the top of the welding torch assembly (1) Directly below;

The fixing assembly (2) includes a support seat (5) and a clamping assembly (6);

Two sets of support bases (5) are arranged symmetrically on both sides of the preheating assembly (4), and are movably installed on the welding platform (3);

The two sets of clamping components (6) are arranged symmetrically, and are respectively movably mounted on one set of the support bases (5);

The clamping assembly (6) includes a first connection assembly (61), a second connection assembly (62) and a clamping block assembly (63); the first connection assembly (61) is slidably installed on the support base (5 ); the second connecting assembly (62) is rotatably installed on one side of the first connecting assembly (61); two groups of clamping block assemblies (63) are slidingly installed on the second connecting assembly (62) One side away from the first connecting component (61), and two groups of clamping block components (63) are symmetrical to each other.
The automatic welding equipment according to claim 1, characterized in that: the support base (5) includes a box (51), and a first groove (53) is opened on one side of the box (51) , the inner walls of both sides of the first groove (53) are provided with a second chute (54); the upper end of the box (51) is fixedly equipped with a second motor (52), and the second motor ( The output end of 52) is connected with a second transmission rod (55), and the two ends of the second transmission rod (55) respectively move through the upper and lower inner walls of the first groove (53);

The first connection assembly (61) is threadedly connected to the second transmission rod (55).
The automatic welding equipment according to claim 2, characterized in that: the first connection assembly (61) comprises a first connection plate (611) and a second connection plate (612);

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 The hole (614) is threadedly connected with the second transmission rod (55); a set of sliders (615) are respectively fixedly installed on both sides of the second connecting plate (612), and the sliders (615) are movably clamped In said second chute (54);

A third motor (613) is fixedly installed on a side of the second connecting plate (612) close to the first connecting plate (611).
The automatic welding equipment according to claim 3, characterized in that: the second connection assembly (62) includes a housing (621), and a fourth motor (622) is fixedly installed on the housing (621) , the output end of the fourth motor (622) is connected with a third transmission rod (623); the housing (621) is provided with a second guide rod (624), and the third transmission rod (623) It is parallel and symmetrical to the second guide rod (624); the two ends of the third transmission rod (623) are respectively provided with thread segments with opposite thread directions;

A transmission shaft (625) is fixedly installed on one side of the housing (621), and the transmission shaft (625) is in transmission connection with the third motor (613).
The automatic welding equipment according to claim 4, characterized in that: the clamp block assembly (63) comprises an upper clamp block (631), a connecting rod (632) and an arc clamp 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 equipped 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 threadedly connected with the third transmission rod (623); The second guide hole (635) is connected with the second guide rod (624).
The automatic welding equipment according to claim 2, characterized in that: the welding platform (3) includes a welding base (31); the upper surface of the welding base (31) is provided with two groups of first The chute (32), the first chute (32) of the two groups are symmetrically arranged in parallel;

A first transmission rod (34) is installed in rotation in one group of first chute (32), and a first guide rod (33) is installed in another group of first chute (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 transmission-connected with the first transmission rod (34) through a shaft coupling; The two ends of the first transmission rod (34) are respectively provided with two groups of threads with opposite thread directions; the middle section of the first transmission rod (34) is provided with a smooth section;

Two sets of blocks (56) are fixedly installed on the lower end of the box body (51), and the two sets of blocks (56) are arranged symmetrically;

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

One group of said clamping blocks (56) is provided with a first threaded hole (57), and one group of said clamping blocks (56) is provided with a first guide hole (58); said first threaded hole (57) and The first transmission rod (34) is threaded; the first guide hole (58) is connected with the first guide rod (33).
A kind of automatic welding equipment according to claim 6, characterized in that: four sets of support rods (37) are fixedly installed on the upper end of the welding base (31), and the four sets of support rods (37) are symmetrically arranged on the Both sides of the upper end of the welding base (31);

Second slide rails (36) are respectively fixedly installed between the support rods (37) on both sides of the welding base (31) along the length direction;

The welding torch assembly (1) is provided with two sets of first sliders (11); the two sets of first sliders (11) are respectively slidably installed on a set of second slide rails (36);

First sliding rails (13) are fixedly installed between the two groups of first sliding blocks (11).
The automatic welding equipment according to claim 6, characterized in that: the preheating assembly (4) includes a preheating platform (41); the upper plate of the preheating platform (41) has an arc Groove (411); The two sides of described preheating platform (41) are respectively equipped with collecting tank (413); One side of described collecting tank (413) and the junction of described preheating platform (41) are installed with inclined plate(412);

Two groups of telescopic support rods (42) are fixedly installed on the lower end of the preheating platform (41), and the two groups of telescopic support rods (42) are parallel and symmetrically arranged;

The lower ends of each group of telescopic support rods (42) are provided with through holes (421), one group of said through holes (421) runs through the first transmission rod (34), and one group of said through holes (421) runs through The first guide rod (33).
The automatic welding equipment according to claim 8, characterized in that: the inside of the preheating platform (41) is provided with a first heat conduction hole (414) and a second heat conduction hole (415); The hole (414) is arranged parallel to 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) ) communicates with the welding torch assembly (1) through a heat pipe.
The automatic welding equipment according to claim 5, characterized in that: the side of the upper clamping block (631) away from the connecting rod (632) is provided with an upper clamping block heat insulation pad (6311); Several groups of protrusions are arranged on the upper clamp block heat insulation pad (6311);

The arc-shaped clamping block (633) is provided with an arc-shaped clamping block thermal insulation pad (6331).