Welding manipulator with multiple welding guns

Abstract

The invention discloses a welding manipulator with multiple welding guns, and relates to the technical field of welding manipulators. Comprising a manipulator body, a first connecting seat is mounted at the bottom end of the manipulator body, and a rotation driving assembly for driving the manipulator end to rotate is arranged at the bottom of the manipulator body; the welding gun switching motor is arranged on one side of the manipulator body, a mounting frame is fixed to the output end of the welding gun switching motor, a plurality of mounting bases distributed in the circumferential direction are arranged on the mounting frame, and the types of welding guns mounted at the bottoms of the mounting bases are different. Through the arrangement of the mounting frame and the structures with different types of mounting bases and the like, the mounting frame can be driven to rotate based on the welding gun switching motor according to requirements, and the corresponding welding gun is rotated to the position below the end of the manipulator; the height of the mounting base is adjusted based on the lifting driving assembly, so that the manipulator end can be combined with the mounting base; all the structures are matched to finally achieve the purpose of assembling the welding gun for the end of the manipulator.

Description

Technical Field

[0001] The invention relates to the technical field of welding manipulators, and in particular to a welding manipulator with multiple welding guns arranged therein. Background Art

[0002] Welding manipulators are of great significance in industrial production. The use of automatic welding manipulators can stabilize and improve welding quality; improve labor productivity; improve the labor intensity of workers, and can work in harmful environments; reduce the requirements for workers' operating skills; shorten the preparation cycle for product upgrades and reduce the corresponding equipment investment. In addition, the application of manipulators is conducive to improving the degree of automation of material transmission, workpiece loading and unloading, tool replacement, and machine assembly, thereby improving labor productivity, reducing production costs, and accelerating the realization of industrial production mechanization and automation.

[0003] Most of the current welding robots are equipped with a single welding gun, which is difficult to meet the needs of different welding operations. Therefore, there is still room for improvement.

[0004] After searching, the Chinese patent application number CN202110425210.5 discloses a welding manipulator and its working method, which specifically relates to the field of welding, including an assembled welding manipulator arm mechanism, one side of the assembled welding manipulator arm mechanism is provided with a rolling welding track guide mechanism, and the rolling welding track guide mechanism is fixedly installed with multiple limit-type corresponding support and fixing mechanisms on one side close to the assembled welding manipulator arm mechanism, and one side of the rolling welding track guide mechanism is fixed to the corresponding side of the assembled welding manipulator arm mechanism through the limit-type corresponding support and fixing mechanism. The welding manipulator in the above-mentioned document has the following shortcomings: the welding manipulator has a single welding gun structure, which is difficult to meet the needs of different welding operations. Summary of the invention

[0005] The purpose of the present invention is to solve the shortcomings in the prior art and to propose a welding manipulator with multiple welding guns.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions: A welding manipulator with multiple welding guns, comprising: A manipulator body, wherein a first connecting seat is installed at the bottom end of the manipulator body, and a rotation driving component for driving the manipulator end to rotate is arranged at the bottom of the manipulator body; The welding gun switching motor is arranged on one side of the manipulator body. A mounting frame is fixed to the output end of the welding gun switching motor. A plurality of mounting seats distributed in a circle are arranged on the mounting frame. The types of welding guns installed at the bottom of each mounting seat are all different. A lifting drive assembly is installed on one side of the robot body. The lifting drive assembly is used to drive the mounting frame to lift up and down. The welding gun switching motor is installed on the lifting drive assembly. A positioning pin, the positioning pin is slidably connected to the inner wall of the mounting frame, one end of the positioning pin is fixed with a pull frame, and the pull frame is connected to the mounting frame through a first spring; A connecting cavity is provided on the top of the mounting seat, the shape of the bottom of the manipulator end is adapted to the connecting cavity, a first opening is opened on the side of the mounting seat, and when the mounting seat is installed in the mounting frame, one end of the locating pin is inserted into the first opening; a pressing assembly is provided in the manipulator end, and the pressing assembly is used to push the locating pin out from the first opening.

[0007] As a preferred embodiment of the present invention: the top pressing assembly includes: A first top column, a guide cylinder is arranged at the bottom end of the manipulator end, the first top column is slidably connected to the inner wall of the guide cylinder, a second top column is arranged at one end of the first top column, and the second top column is adapted to the positioning pin; An inner bracket, which is fixed to the inner wall of the end of the manipulator; A lifting bracket, the lifting bracket is slidably connected to the inner wall of the inner bracket, and the bottom end of the lifting bracket is hinged to the first top column through a connecting rod; The driving unit is used to drive the lifting bracket to move up and down.

[0008] As a preferred embodiment of the present invention: the driving unit includes: An electric telescoping device, the output end of which is fixed with a push plate, which is located on the top of the lifting bracket; The second spring is used to connect the bottom of the lifting bracket to the inner bracket.

[0009] As a preferred embodiment of the present invention: the lifting drive assembly includes: Electric telescopic cylinder, which is installed on the welding gun switching motor through a fixing bracket; A lifting seat is fixed to the output end of the electric telescopic cylinder. A side slide groove is provided on the side of the manipulator body, and the lifting seat is slidably connected to the inner wall of the side slide groove. An upper guide groove is arranged on the top of the U-shaped welding gun; and a lower guide groove is arranged on the bottom of the U-shaped welding gun.

[0010] As a preferred embodiment of the present invention: a control module is arranged on the top of the mounting seat, a connecting seat is arranged on the top of the mounting seat, and a connecting head adapted to the connecting seat is arranged on one side of the manipulator end; when the manipulator end is installed on the mounting seat, the connecting head is installed in the connecting seat; power supply and signal transmission are realized based on the connection between the connecting head and the connecting seat.

[0011] As a preferred embodiment of the present invention: a laser distance measuring component is installed at the bottom of the mounting seat, and the laser distance measuring component is electrically connected to the control module.

[0012] As a preferred embodiment of the present invention: The rotation driving assembly includes: A first connecting seat, which is fixed to the top of the end of the manipulator, and the first connecting seat is rotatably installed at the bottom end of the manipulator body; A first angle deflection motor, which is fixed to the side of the bottom end of the manipulator body, and the output end of the first angle deflection motor is in shaft transmission connection with the first connecting seat.

[0013] As a preferred embodiment of the present invention: The welding manipulator further includes: A second connecting seat, which is installed at the top of the manipulator body; A manipulator support, and the second connecting seat is rotatably installed at the end of the manipulator support; A second angle deflection motor, which is installed on the outer wall of one side of the manipulator support, and the output end of the second angle deflection motor is in transmission connection with the second connecting seat.

[0014] As a preferred embodiment of the present invention: The welding torches at the bottoms of different said mounting seats include: pen-shaped welding torches, L-shaped welding torches and U-shaped welding torches. A welding support is installed at the bottom of the mounting seat, and the pen-shaped welding torch, L-shaped welding torch and U-shaped welding torch are respectively installed on the welding supports at the bottoms of the respective mounting seats.

[0015] As a preferred embodiment of the present invention: An adjustment groove is opened at the bottom of the mounting seat, the welding support is slidably connected in the adjustment groove, one end of the welding support is connected to the inner wall of the adjustment groove through a third spring, and a sliding column is provided at the top of the welding support; A sliding plate is slidably connected inside the mounting seat, and the sliding plate is connected to the inner wall of the mounting seat through a dial plate; a second through hole adapted to the first through hole is provided in the middle of the sliding plate; The size of the second ejector pin is adapted to the second through hole, and the diameter of the first ejector pin is larger than the inner diameter of the second through hole; The length of the second ejector pin is greater than or equal to the distance from the sliding plate to the outer end of the first through hole. Before the second ejector pin ejects the positioning pin out of the first through hole, the first ejector pin will not contact the sliding plate; One of the sliding plates is connected with a dial plate, the dial plate is in a shape of a reverse L, and the position of the sliding column is on the movement track of the dial plate.

[0016] The beneficial effects of the present invention are: 1. The present invention provides a mounting frame and a plurality of mounting seats of different types, and the mounting frame can be driven to rotate according to needs based on the welding gun switching motor to rotate the corresponding welding gun to the bottom of the manipulator end; the height of the mounting seat can be adjusted based on the lifting drive assembly so that the manipulator end can be combined with the mounting seat; by providing a pressing assembly, the positioning pin can be pushed out from the first opening based on the operation of the pressing assembly, thereby unlocking the corresponding mounting seat, and when the pressing assembly pushes the positioning pin out from the first opening, it is inserted into the first opening, and the connection and fixation between the manipulator end and the mounting seat are achieved at the same time; the coordination of each structure finally achieves the purpose of assembling the welding gun for the manipulator end.

[0017] 2. The present invention provides a top-pressing assembly, which can drive the lifting bracket to move up and down based on the drive of the driving part, and then drive the first top column to slide in the guide cylinder under the transmission of the connecting rod, so as to squeeze the positioning pin out of the first opening, and use the second top column to connect and fix it with the mounting seat.

[0018] 3. The present invention is capable of driving the lifting bracket to move upward based on the second spring by setting up a second spring and other structures, and is capable of setting up an electric retractor based on the operation of the electric retractor to push the lifting bracket downward through a push plate to achieve the purpose of adjusting the position of the lifting bracket.

[0019] 4. The present invention provides structures such as a sliding plate and a paddle plate, so that when the position of the welding gun needs to be adjusted, the electric telescope works to drive the second push column to push the positioning pin out of the first opening. Subsequently, the electric telescope continues to work to drive the first push column to squeeze the sliding plate outward, thereby driving the paddle plate to squeeze the sliding column to one side, thereby allowing the welding support to slide in the adjustment groove, thereby achieving the purpose of adjusting the position of the welding gun; when the electric telescope is reset, the welding support can be reset based on the third spring, thereby improving reliability. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A schematic diagram of the structure of a welding manipulator with multiple welding guns proposed by the present invention; Figure 2 A schematic diagram of the structure of another posture of a welding manipulator with multiple welding guns arranged according to the present invention; Figure 3 This is a structural schematic diagram of a manipulator end and a mounting frame of a welding manipulator with multiple welding guns arranged in the present invention; Figure 4 This is a structural schematic diagram of a welding manipulator mounting frame with multiple welding guns arranged in the present invention; Figure 5 This is a schematic diagram of the structure of the bottom of a welding manipulator mounting seat with multiple welding guns arranged in the present invention; Figure 6This is a schematic structural diagram of a cross-section of a manipulator end and a mounting seat of a welding manipulator with multiple welding guns arranged in the present invention; Figure 7 A schematic structural diagram of a further cross-section of a manipulator end and a mounting seat of a welding manipulator with multiple welding guns arranged according to the present invention; Figure 8 This is a structural schematic diagram of a welding manipulator paddle with multiple welding guns arranged in the present invention.

[0021] In the figure: 1 manipulator body, 2 side slide, 3 first angle deflection motor, 4 welding gun switching motor, 5 lifting seat, 6 fixing frame, 7 electric telescopic cylinder, 8 second angle deflection motor, 9 manipulator support, 10 second connecting seat, 11 push plate, 12 first connecting seat, 13 manipulator end, 14 U-type welding gun, 15 L-type welding gun, 16 pen-type welding gun, 17 mounting seat, 18 connecting head, 19 mounting frame, 20 pulling frame, 21 upper guide groove, 22 connecting seat, 23 control module, 24 first spring, 25 positioning pin, 26 electric telescopic device, 27 welding gun seat, 28 lower guide groove, 29 adjusting groove, 30 laser ranging component, 31 lifting bracket, 32 inner bracket, 33 second spring, 34 dial plate, 35 sliding plate, 36 first top column, 37 connecting rod, 38 sliding column, 39 guide cylinder. DETAILED DESCRIPTION

[0022] The technical solution of the present invention is further described in detail below in conjunction with specific implementation methods.

[0023] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0024] Embodiment 1: A welding manipulator with multiple welding guns, such as Figure 1-8 As shown, including: A manipulator body 1, wherein a first connecting seat 12 is installed at the bottom of the manipulator body 1, and a rotation driving component for driving a manipulator end 13 to rotate is arranged at the bottom of the manipulator body 1; A welding gun switching motor 4 is arranged on one side of the manipulator body 1. A mounting frame 19 is fixed to the output end of the welding gun switching motor 4. A plurality of mounting seats 17 distributed in a circumference are arranged on the mounting frame 19. The types of welding guns installed at the bottom of each mounting seat 17 are all different. A lifting drive assembly, which is installed on one side of the manipulator body 1. The lifting drive assembly is used to drive the mounting frame 19 to move up and down. The welding gun switching motor 4 is installed on the lifting drive assembly; A positioning pin 25, the positioning pin 25 is slidably connected to the inner wall of the mounting frame 19, one end of the positioning pin 25 is fixed with a pull frame 20, and the pull frame 20 is connected to the mounting frame 19 through a first spring 24; The top of the mounting seat 17 is provided with a connecting cavity, the shape of the bottom of the manipulator end 13 is adapted to the connecting cavity, and a first opening is opened on the side of the mounting seat 17. When the mounting seat 17 is installed in the mounting frame 19, one end of the positioning pin 25 is inserted into the first opening; a pressing assembly is provided in the manipulator end 13, and the pressing assembly is used to push the positioning pin 25 out of the first opening; By providing a mounting frame 19 and structures such as multiple mounting seats 17 of different types, the mounting frame 19 can be driven to rotate based on the welding gun switching motor 4 as needed, and the corresponding welding gun can be rotated to the bottom of the manipulator end 13; the height of the mounting seat 17 can be adjusted based on the lifting drive component, so that the manipulator end 13 can be combined with the mounting seat 17; by providing a pressing component, the positioning pin 25 can be pushed out from the first opening based on the operation of the pressing component, thereby unlocking the corresponding mounting seat 17, and when the pressing component pushes the positioning pin 25 out of the first opening, it is inserted into the first opening, and the connection and fixation between the manipulator end 13 and the mounting seat 17 is achieved at the same time; the purpose of assembling the welding gun for the manipulator end 13 is achieved.

[0025] To facilitate assembly; Figure 3 , Figure 6 , Figure 7 As shown, the top pressure assembly includes: A first top column 36, a guide cylinder 39 is provided at the bottom end of the manipulator end 13, the first top column 36 is slidably connected to the inner wall of the guide cylinder 39, and a second top column is integrally provided at one end of the first top column 36, and the second top column is adapted to the positioning pin 25; An inner bracket 32, the inner bracket 32 ​​is fixed to the inner wall of the manipulator end 13; A lifting bracket 31, the lifting bracket 31 is slidably connected to the inner wall of the inner bracket 32, and the bottom end of the lifting bracket 31 is hinged to the first top column 36 through a connecting rod 37; A driving unit, which is used to drive the lifting bracket 31 to move up and down; By setting up a pressing assembly, the lifting bracket 31 can be driven up and down based on the driving part, and then the first push column 36 is driven to slide in the guide cylinder 39 under the transmission of the connecting rod 37, so that the positioning pin 25 is squeezed out from the first opening and connected and fixed to the mounting seat 17 by the second push column.

[0026] In order to facilitate the driving of the lifting bracket 31 to move up and down; Figure 7 As shown, the driving unit includes: An electric retractor 26, a push plate 11 is fixed to the output end of the electric retractor 26, and the push plate 11 is located on the top of the lifting bracket 31; A second spring 33, the bottom of the lifting bracket 31 is connected to the inner bracket 32 ​​through the second spring 33; By providing a second spring 33 and other structures, the lifting bracket 31 can be driven to move upward based on the second spring 33, and the electric retractor 26 can be provided. Based on the operation of the electric retractor 26, the lifting bracket 31 can be pushed downward by the push plate 11 to achieve the purpose of adjusting the position of the lifting bracket 31; In addition, the push plate 11 can be fixedly connected to the lifting bracket 31 , and the second spring 33 can be removed, so that the lifting and lowering of the lifting bracket 31 can be controlled only by the electric retractor 26 .

[0027] In order to facilitate the driving of the mounting frame 19 to rise and fall; Figure 1 , Figure 3 As shown, the lifting drive assembly includes: An electric telescopic cylinder 7, which is mounted on a welding gun switching motor 4 through a fixing bracket 6; A lifting seat 5 is fixed to the output end of the electric telescopic cylinder 7. A side slide groove 2 is provided on the side of the manipulator body 1. The lifting seat 5 is slidably connected to the inner wall of the side slide groove 2. A lifting drive assembly is provided to drive the mounting frame 19 to rise after the manipulator end 13 and the mounting seat 17 are assembled, so as to prevent other structures from interfering with the welding operation of the manipulator.

[0028] In order to facilitate control; Figure 3 , Figure 4 As shown, a control module 23 is arranged on the top of the mounting seat 17, a connecting seat 22 is arranged on the top of the mounting seat 17, and a connector 18 compatible with the connecting seat 22 is arranged on one side of the manipulator end 13; when the manipulator end 13 is installed on the mounting seat 17, the connector 18 is installed in the connecting seat 22; power supply and signal transmission are realized based on the connection between the connector 18 and the connecting seat 22.

[0029] To facilitate welding; Figure 5 As shown, a laser distance measuring component 30 is installed at the bottom of the mounting seat 17, and the laser distance measuring component 30 is electrically connected to the control module 23; By providing the laser distance measuring component 30 , it is possible to perform distance measurement based on the laser distance measuring component 30 , so as to determine the distance to the welding object.

[0030] In order to facilitate the control of the robot end 13 rotation; Figure 2 As shown, the rotation drive assembly includes: A first connecting seat 12, the first connecting seat 12 is fixed to the top of the manipulator end 13, and the first connecting seat 12 is rotatably installed at the bottom of the manipulator body 1; The first angle deflection motor 3 is fixed to the side of the bottom end of the manipulator main body 1, and the output end of the first angle deflection motor 3 is in shaft transmission connection with the first connecting seat 12.

[0031] To facilitate the control of the manipulator main body 1; as Figure 1 shown, the welding manipulator further includes: A second connecting seat 10 is installed on the top of the manipulator main body 1; A manipulator support 9, and the second connecting seat 10 is rotatably installed at the end of the manipulator support 9; A second angle deflection motor 8 is installed on the outer wall of one side of the manipulator support 9, and the output end of the second angle deflection motor 8 is in transmission connection with the second connecting seat 10.

[0032] To facilitate welding; as Figure 2 、 Figure 3 shown, the welding torches at the bottoms of different mounting seats 17 include: a pen-shaped welding torch 16, an L-shaped welding torch 15, and a U-shaped welding torch 14. A welding support 27 is installed at the bottom of the mounting seat 17, and the pen-shaped welding torch 16, the L-shaped welding torch 15, and the U-shaped welding torch 14 are respectively installed on the welding supports 27 at the bottoms of the respective mounting seats 17.

[0033] To facilitate the insertion of the positioning pin 25 into the first through hole, an upper guide groove 21 is provided at the top of the U-shaped welding torch 14; a lower guide groove 28 is provided at the bottom of the U-shaped welding torch 14.

[0034] Embodiment 2: A welding manipulator with a multi-welding torch arrangement, as Figure 6-8 shown, to facilitate the adjustment of the position of the welding torch; the following improvements are made to this embodiment on the basis of Embodiment 1: An adjustment groove 29 is provided at the bottom of the mounting seat 17, the welding support 27 is slidably connected in the adjustment groove 29, and a third spring is connected between one end of the welding support 27 and the inner wall of the adjustment groove 29. A sliding column 38 is provided at the top of the welding support 27; A sliding plate 35 is slidably connected inside the mounting seat 17, and the sliding plate 35 is connected to the inner wall of the mounting seat 17 through a dial plate 34; a second through hole adapted to the first through hole is provided in the middle of the sliding plate 35; The size of the second ejector pin is adapted to the second through hole, and the diameter of the first ejector pin is larger than the inner diameter of the second through hole; The length of the second ejector pin is greater than or equal to the distance from the sliding plate 35 to the outer end of the first through hole. Before the second ejector pin ejects the positioning pin 25 out of the first through hole, the first ejector pin will not contact the sliding plate 35; One of the sliding plates 35 is connected with a dial plate 34, the dial plate 34 is in a shape of a reverse L, and the position of the sliding column 38 is on the movement track of the dial plate 34; By setting up structures such as the sliding plate 35 and the dial plate 34, when the welding gun position needs to be adjusted, the electric telescopic device 26 can work to drive the second push column to push the positioning pin 25 out of the first opening. Subsequently, based on the continued operation of the electric telescopic device 26, the first push column is driven to squeeze the sliding plate 35 outward, and then the dial plate 34 is driven to squeeze the sliding column 38 to one side, so that the welding support 27 can slide in the adjustment groove 29, thereby achieving the purpose of adjusting the welding gun position; when the electric telescopic device 26 is reset, the welding support 27 can be reset based on the third spring, thereby improving reliability.

[0035] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A welding manipulator with multiple welding guns, characterized in that: include: A manipulator body (1), wherein a first connecting seat (12) is installed at the bottom end of the manipulator body (1), and a rotation drive component for driving the manipulator end (13) to rotate is arranged at the bottom of the manipulator body (1); A welding gun switching motor (4), the welding gun switching motor (4) being arranged on one side of the manipulator body (1), a mounting frame (19) being fixed to the output end of the welding gun switching motor (4), a plurality of mounting seats (17) distributed in a circumference being arranged on the mounting frame (19), and different types of welding guns being mounted at the bottom of each mounting seat (17); A lifting drive assembly, the lifting drive assembly is mounted on one side of the manipulator body (1), the lifting drive assembly is used to drive the mounting frame (19) to lift, and the welding gun switching motor (4) is mounted on the lifting drive assembly; A positioning pin (25), the positioning pin (25) is slidably connected to the inner wall of the mounting frame (19), a pull frame (20) is fixed to one end of the positioning pin (25), and the pull frame (20) is connected to the mounting frame (19) via a first spring (24); The top of the mounting seat (17) is provided with a connection cavity, the shape of the bottom of the manipulator end (13) is adapted to the connection cavity, a first opening is provided on the side of the mounting seat (17), and when the mounting seat (17) is installed in the mounting frame (19), one end of the positioning pin (25) is inserted into the first opening; a pressing assembly is provided in the manipulator end (13), and the pressing assembly is used to push the positioning pin (25) out of the first opening.

2. A welding manipulator with multiple welding guns according to claim 1, characterized in that: The top pressure assembly comprises: A first top column (36), a guide cylinder (39) is disposed at the bottom end of the manipulator end (13), the first top column (36) is slidably connected to the inner wall of the guide cylinder (39), a second top column is disposed at one end of the first top column (36), and the second top column is adapted to the positioning pin (25); An inner bracket (32), the inner bracket (32) being fixed to the inner wall of the manipulator end (13); A lifting bracket (31), the lifting bracket (31) is slidably connected to the inner wall of the inner bracket (32), and the bottom end of the lifting bracket (31) is hinged to the first top column (36) via a connecting rod (37); A driving unit, the driving unit is used to drive the lifting bracket (31) to move up and down.

3. A welding manipulator with multiple welding guns according to claim 2, characterized in that: The driving unit comprises: An electric telescopic device (26), wherein a push plate (11) is fixed to the output end of the electric telescopic device (26), and the push plate (11) is located on the top of the lifting bracket (31); A second spring (33), wherein the bottom of the lifting bracket (31) and the inner bracket (32) are connected via the second spring (33).

4. A welding manipulator with multiple welding guns according to claim 2, characterized in that: The lifting drive assembly comprises: An electric telescopic cylinder (7), the electric telescopic cylinder (7) being mounted on a welding gun switching motor (4) via a fixing frame (6); A lifting seat (5), the lifting seat (5) is fixed to the output end of the electric telescopic cylinder (7), a side slide groove (2) is provided on the side of the manipulator body (1), and the lifting seat (5) is slidably connected to the inner wall of the side slide groove (2); An upper guide groove (21) is provided at the top of the U-shaped welding gun (14); and a lower guide groove (28) is provided at the bottom of the U-shaped welding gun (14).

5. The welding manipulator with multiple welding guns according to claim 2, characterized in that: A control module (23) is provided at the top of the mounting base (17), and a connecting base (22) is provided at the top of the mounting base (17). A connecting head (18) adapted to the connecting base (22) is provided on one side of the end of the manipulator (13). When the end of the manipulator (13) is mounted on the mounting base (17), the connecting head (18) is mounted inside the connecting base (22). Power supply and signal transmission are realized based on the connection between the connecting head (18) and the connecting base (22).

6. A welding manipulator with multiple welding guns according to claim 5, characterized in that: A laser ranging component (30) is mounted at the bottom of the mounting base (17), and the laser ranging component (30) is electrically connected to the control module (23).

7. The welding manipulator with multiple welding guns according to claim 2, characterized in that: The rotation drive assembly includes: A first connecting base (12), the first connecting base (12) is fixed to the top of the end of the manipulator (13), and the first connecting base (12) is rotatably mounted at the bottom end of the manipulator body (1); A first angle deflection motor (3), the first angle deflection motor (3) is fixed to the side of the bottom end of the manipulator body (1), and the output end of the first angle deflection motor (3) is connected to the shaft of the first connecting base (12) by transmission.

8. The welding manipulator with multiple welding guns according to claim 2, characterized in that: The welding manipulator further includes: A second connecting base (10), the second connecting base (10) is mounted on the top of the manipulator body (1); A manipulator support (9), the second connecting base (10) is rotatably mounted at the end of the manipulator support (9); A second angle deflection motor (8), the second angle deflection motor (8) is mounted on the outer wall of one side of the manipulator support (9), and the output end of the second angle deflection motor (8) is connected to the second connecting base (10) by transmission.

9. The welding manipulator with multiple welding guns according to claim 2, characterized in that: The welding torches at the bottom of different mounting bases (17) include: a pen-shaped welding torch (16), an L-shaped welding torch (15), and a U-shaped welding torch (14). A welding support (27) is mounted at the bottom of the mounting base (17), and the pen-shaped welding torch (16), the L-shaped welding torch (15), and the U-shaped welding torch (14) are respectively mounted on the welding supports (27) at the bottoms of the respective mounting bases (17).

10. A welding manipulator with multiple welding guns according to any one of claims 2 to 9, characterized in that: An adjustment groove (29) is formed at the bottom of the mounting base (17), the welding support (27) is slidably connected inside the adjustment groove (29), and one end of the welding support (27) is connected to the inner wall of the adjustment groove (29) by a third spring. A sliding column (38) is provided at the top of the welding support (27); A sliding plate (35) is slidably connected inside the mounting base (17), and the sliding plate (35) is connected to the inner wall of the mounting base (17) by a dial plate (34); a second through hole adapted to the first through hole is provided in the middle of the sliding plate (35); The size of the second ejector pin is adapted to the second through hole, and the diameter of the first ejector pin is larger than the inner diameter of the second through hole; The length of the second ejector pin is greater than or equal to the distance from the sliding plate (35) to the outer end of the first through hole. Before the second ejector pin ejects the positioning pin (25) out of the first through hole, the first ejector pin will not contact the sliding plate (35); One sliding plate (35) is connected to a dial plate (34), the dial plate (34) is in a shape of a reverse L, and the position of the sliding column (38) is on the movement track of the dial plate (34).

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