Welding equipment for palletizing robot manufacturing

Abstract

The invention discloses welding equipment for palletizing robot manufacturing, and relates to the technical field of welding, the welding equipment comprises a fixing mechanism, the fixing mechanism comprises a welding cabinet body, the upper end of an inner cavity of the welding cabinet body is provided with a welding cavity, the lower end of the inner cavity of the welding cabinet body is provided with a mounting cavity, and the top of the inner cavity of the mounting cavity is fixedly connected with a first motor; one end of a rotating shaft of the first motor is fixedly connected with a rotating disc; and the welding environment improving mechanism comprises an inert gas cylinder. A laser welding piece and an electric arc welding piece are integrated through the laser-electric arc hybrid welding mechanism, when the surface of a workpiece is irradiated through a laser beam with laser energy and high energy density, surrounding gas can be instantly ionized, a laser plasma cloud is formed, and the plasma cloud contains a large number of free electrons and ions and becomes a high-conductivity conductive channel; a low-impedance path is provided for ignition and stabilization of the electric arc, the electric arc is guided and gathered, and electric arc energy is guided to be accurately gathered.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of welding, in particular to a welding equipment for manufacturing a stacking robot. BACKGROUND

[0002] In the field of metal processing, especially in the manufacturing process of industrial equipment such as stacking robots, the welding process is one of the key links. The welding quality directly affects the structural strength, reliability and service life of the equipment.

[0003] In the actual welding scene, the prior art mainly relies on single laser or arc welding. In this welding method, the arc energy is relatively dispersed when arc welding, resulting in poor welding effect. Laser welding is difficult to weld parts with thick thickness. At the same time, during the welding process, there are small bubbles in the liquid metal in the molten pool, which affects the welding strength. Therefore, a welding equipment for manufacturing a stacking robot is proposed. SUMMARY

[0004] The present application provides a welding equipment for manufacturing a stacking robot to solve the problems raised in the background art.

[0005] To solve the above technical problems, the technical scheme adopted by the present application is: A welding equipment for manufacturing a stacking robot, comprising a fixing mechanism, the fixing mechanism comprising a welding cabinet body, the welding cabinet body being provided with a welding cavity at the upper end of the inner cavity and an installation cavity at the lower end, a first motor being fixedly connected to the top of the inner cavity of the installation cavity, and a rotating disc being fixedly connected to one end of the rotating shaft of the first motor; a welding environment improvement mechanism, the welding environment improvement mechanism comprising an inert gas cylinder, the gas outlet of the inert gas cylinder being provided with a gas conveying pipe with an electromagnetic valve, one end of the gas conveying pipe being provided with a gas outlet, and the gas outlet being arranged at the top of the inner cavity of the welding cavity; a laser-arc composite welding mechanism, the laser-arc composite welding mechanism comprising a six-axis mechanical arm, the bottom of the six-axis mechanical arm being fixedly connected to the bottom of the inner cavity of the welding cavity, one end of the six-axis mechanical arm being fixedly connected with a telescopic rod, and the output end of the telescopic rod being fixedly connected with a mounting box; a non-contact molten pool stirring mechanism, the non-contact molten pool stirring mechanism comprising a second motor, a gear being fixedly connected to the lower end of the rotating shaft of the second motor, a gear ring being engaged with the surface of the gear, and the inner wall of the gear ring being rotatably connected to the surface of the mounting box; a magnetic field auxiliary holding mechanism, the magnetic field auxiliary holding mechanism comprising a cooling liquid containing bin, the cooling liquid containing bin being provided with a liquid outlet pipe at one side, and the inside of the liquid outlet pipe being provided with a circulating pump.

[0006] A further improvement of the technical solution of the present invention is that: the fixing mechanism further includes a rotating seat, the bottom of the rotating seat is fixedly connected to the bottom of the inner cavity of the welding cavity, the surface of the rotating seat is rotatably connected to the inside of the rotating disk, and the top of the rotating disk is fixedly connected to a fixing disk with mounting holes on its surface.

[0007] A further improvement of the technical solution of the present invention is that: a fixing member is bolted to the surface of the fixing plate, a fixing frame is fixedly connected to the top of the fixing member, a screw is threaded to the inside of the fixing frame, and a pressure block is rotatably connected to the lower end of the screw.

[0008] A further improvement of the technical solution of the present invention is that: the welding environment improvement mechanism further includes an air intake port, the air intake port is located at the bottom of the inner cavity of the welding chamber, the bottom of the inner cavity of the air intake port is connected to a filter through a pipe, and the air outlet of the filter is connected to an exhaust port through a pipe.

[0009] A further improvement of the technical solution of the present invention is that: the laser-arc composite welding mechanism further includes a welding head, the top of which is fixedly connected to the bottom of the mounting box, and the welding head includes a laser welding component and an arc welding component.

[0010] A further improvement of the technical solution of the present invention is that the non-contact molten pool stirring mechanism further includes a connecting rod, one end of which is fixedly connected to the surface of the toothed ring.

[0011] A further improvement of the technical solution of the present invention is that: the other end of the connecting rod is fixedly connected to a mounting block, the mounting block has a cooling cavity inside, and a magnetic field generating coil is provided on the side of the mounting block away from the cooling cavity.

[0012] A further improvement of the technical solution of the present invention is that: the magnetic field-assisted holding mechanism further includes a return pipe, one end of which is connected to the lower end of the inner cavity of the cooling chamber, and one end of the liquid outlet pipe is connected to the upper end of the inner cavity of the cooling chamber.

[0013] A further improvement of the technical solution of the present invention is that a semiconductor cooler is fixedly connected to the surface of the coolant container, and a cooling end is provided on one side of the semiconductor cooler.

[0014] A further improvement of the technical solution of the present invention is that: the cooling end is located inside the coolant container, and a heat dissipation end is provided on the other side of the semiconductor cooler. The heat dissipation end is annular, and heat dissipation fins are provided on the surface of the heat dissipation end.

[0015] Due to the adoption of the above technical solution, the technical progress achieved by this invention compared to the prior art is as follows: This invention provides a welding device for palletizing robot manufacturing. It integrates laser-welded parts and arc-welded parts through a laser-arc hybrid welding mechanism. When a high-energy-density laser beam irradiates the workpiece surface, it instantly ionizes the surrounding gas, forming a laser plasma cloud. This plasma cloud contains a large number of free electrons and ions, becoming a highly conductive "conductive channel." This provides a low-impedance path for the ignition and stabilization of the arc, guiding and concentrating the arc energy precisely. When the interaction areas of the laser and the arc overlap in space, their energy is deposited in the same area. The high energy density of the laser creates a "keyhole effect," while the arc energy fills the molten pool around the keyhole. The combined effect of these two factors significantly increases the weld depth, enabling adaptive welding of parts of varying thicknesses. Simultaneously, an alternating magnetic field is applied at the welding point through a coil, forcibly agitating the molten pool and driving the flow of the liquid metal. This accelerates the removal of impurities such as bubbles and slag, reducing the incidence of welding defects such as porosity and slag inclusions, and improving weld purity. Furthermore, forced convection can break the growth trend of coarse columnar crystals, promoting grain refinement and forming a denser equiaxed crystal structure, significantly improving the mechanical properties of the weld and enhancing the welding effect. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the main structure of the present invention; Figure 2 This is a schematic diagram of the internal structure of the welding cabinet of the present invention; Figure 3 This is a schematic diagram of the fixing mechanism structure of the present invention; Figure 4 This is a schematic diagram of the laser-arc hybrid welding mechanism of the present invention; Figure 5 This is a schematic diagram of the magnetic field-assisted holding mechanism of the present invention; Figure 6 This is a schematic diagram of the non-contact molten pool stirring mechanism of the present invention; Figure 7 This is a schematic diagram of the internal structure of the magnetic field-assisted holding mechanism of the present invention; Figure 8 This is a cross-sectional view of the non-contact molten pool stirring mechanism of the present invention.

[0017] In the diagram: 11. Welding cabinet; 12. First motor; 13. Rotating disk; 14. Rotating seat; 15. Fixed disk; 16. Fixing component; 17. Fixing frame; 18. Screw; 19. Pressure block; 21. Inert gas cylinder; 22. Gas supply pipe; 23. Gas outlet; 24. Gas inlet; 25. Filter; 26. Exhaust port; 31. Six-axis robotic arm; 32. Telescopic rod; 33. Mounting box; 34. Laser welded component; 35. Arc welded component; 41. Second motor; 42. Gear; 43. Gear ring; 44. Connecting rod; 45. Mounting block; 46. Cooling chamber; 47. Magnetic field generating coil; 51. Coolant container; 52. Liquid outlet pipe; 53. Circulating pump; 54. Return pipe; 55. Semiconductor refrigerator; 56. Cooling end; 57. Heat dissipation end. Detailed Implementation

[0018] The present invention will be further described in detail below with reference to embodiments: Example 1 like Figures 1-8 As shown, the present invention provides a welding device for manufacturing palletizing robots, including a fixing mechanism, which includes a welding cabinet 11. The upper end of the inner cavity of the welding cabinet 11 is configured as a welding cavity, and the lower end is configured as a mounting cavity. A first motor 12 is fixedly connected to the top of the inner cavity of the mounting cavity, and a rotating disk 13 is fixedly connected to one end of the shaft of the first motor 12. A welding environment improvement mechanism includes an inert gas cylinder 21, the outlet of which is provided with a gas supply pipe 22 equipped with a solenoid valve. One end of the gas supply pipe 22 is provided with a gas outlet 23, which is located at the top of the inner cavity of the welding cavity. A laser-arc hybrid welding mechanism includes six... The six-axis robotic arm 31 has its bottom fixedly connected to the bottom of the welding cavity, and a telescopic rod 32 is fixedly connected to one end of the six-axis robotic arm 31. The output end of the telescopic rod 32 is fixedly connected to a mounting box 33. A non-contact molten pool stirring mechanism includes a second motor 41, with a gear 42 fixedly connected to the lower end of the shaft of the second motor 41. A gear ring 43 meshes with the surface of the gear 42, and the inner wall of the gear ring 43 is rotatably connected to the surface of the mounting box 33. A magnetic field-assisted holding mechanism includes a coolant reservoir 51, with an outlet pipe 52 on one side of the coolant reservoir 51 and a circulation pump 53 inside the outlet pipe 52.

[0019] In this embodiment, the workpiece to be welded is placed on the fixed plate 15 and positioned by the fastener 16 connected by bolts to the fixed frame 17. The rotating screw 18 drives the pressure block 19 to press the workpiece, ensuring stable clamping. After the first motor 12 is started, the fixed plate 15 is driven to rotate by the cooperation of the rotating plate 13 and the rotating seat 14, realizing multi-angle adjustment of the workpiece and meeting the welding requirements of the six-axis robotic arm 31 for complex curved surfaces. Before welding, the inert gas cylinder 21 releases inert gas to the outlet 23 at the top of the welding chamber through the gas supply pipe 22, forming a protective gas layer in the welding area to isolate the air and avoid metal oxidation.

[0020] Example 2 like Figures 1-8As shown, based on Embodiment 1, the present invention provides a technical solution: Preferably, the fixing mechanism includes a welding cabinet 11, the upper end of the inner cavity of the welding cabinet 11 is configured as a welding cavity, and the lower end is configured as an installation cavity. A first motor 12 is fixedly connected to the top of the inner cavity of the installation cavity, and a rotating disk 13 is fixedly connected to one end of the shaft of the first motor 12; a welding environment improvement mechanism includes an inert gas cylinder 21, the outlet of the inert gas cylinder 21 is provided with a gas supply pipe 22 with an attached solenoid valve, and one end of the gas supply pipe 22 is provided with an outlet 23. The welding chamber is positioned at the top of the inner cavity; a laser-arc hybrid welding mechanism, comprising a six-axis robotic arm 31, the bottom of which is fixedly connected to the bottom of the inner cavity; a telescopic rod 32 fixedly connected to one end of the robotic arm 31; and a mounting box 33 fixedly connected to the output end of the telescopic rod 32; a non-contact molten pool stirring mechanism, comprising a second motor 41, a gear 42 fixedly connected to the lower end of the shaft of the second motor 41; a gear ring 43 meshing with the surface of the gear 42; and the inner wall of the gear ring 43 meshing with the mounting box 33. The surface rotation connection; magnetic field-assisted holding mechanism, the magnetic field-assisted holding mechanism includes a coolant reservoir 51, a coolant outlet pipe 52 is provided on one side of the coolant reservoir 51, a circulation pump 53 is provided inside the outlet pipe 52, the fixing mechanism also includes a rotating seat 14, the bottom of the rotating seat 14 is fixedly connected to the bottom of the welding cavity, the surface of the rotating seat 14 is rotatably connected to the inside of the rotating disk 13, the top of the rotating disk 13 is fixedly connected to a fixing disk 15 with mounting holes on its surface, the surface of the fixing disk 15 is bolted to a fixing member 16, the top of the fixing member 16... A fixed frame 17 is fixedly connected, and a screw 18 is threadedly connected to the inside of the fixed frame 17. A pressure block 19 is rotatably connected to the lower end of the screw 18. The welding environment improvement mechanism also includes an air intake 24, which is located at the bottom of the inner cavity of the welding chamber. A filter 25 is connected to the bottom of the inner cavity of the air intake 24 through a pipe. An exhaust port 26 is connected to the outlet end of the filter 25 through a pipe. The laser-arc composite welding mechanism also includes a welding head, the top of which is fixedly connected to the bottom of the mounting box 33. The welding head includes a laser welding component 34 and an arc welding component 35.

[0021] In this embodiment, the fumes and exhaust gases generated during the welding process are drawn in through the suction port 24 at the bottom of the welding chamber. After particulate impurities are removed by the filter 25, the clean gas is discharged from the exhaust port 26, maintaining the cleanliness of the air inside the chamber. During welding, the six-axis robotic arm 31 adjusts the height of the mounting box 33 through the telescopic rod 32, aligning the welding heads of the laser welding part 34 and the arc welding part 35 at the welding position. The laser welding part 34 emits a high-energy-density laser beam, which instantly ionizes the surrounding gas to form a laser plasma cloud, serving as a "conductive channel" to guide the arc energy of the arc welding part 35 to concentrate, achieving stable ignition and path convergence of the arc. The "keyhole effect" of the laser penetrates deep into the workpiece to form a deep melting hole, and the arc energy simultaneously fills the molten pool. The energy of both is superimposed in the same area, significantly increasing the penetration depth compared to a single heat source, adapting to the welding of parts of different thicknesses.

[0022] Example 3 like Figures 1-8As shown, based on Embodiment 1, the present invention provides a technical solution: Preferably, the fixing mechanism includes a welding cabinet 11, the upper end of the inner cavity of the welding cabinet 11 is configured as a welding cavity, and the lower end is configured as an installation cavity. A first motor 12 is fixedly connected to the top of the inner cavity of the installation cavity, and a rotating disk 13 is fixedly connected to one end of the shaft of the first motor 12; a welding environment improvement mechanism includes an inert gas cylinder 21, the outlet of the inert gas cylinder 21 is provided with a gas supply pipe 22 with an attached solenoid valve, and one end of the gas supply pipe 22 is provided with an outlet 23. The opening 23 is located at the top of the inner cavity of the welding chamber; the laser-arc hybrid welding mechanism includes a six-axis robotic arm 31, the bottom of which is fixedly connected to the bottom of the inner cavity of the welding chamber, and a telescopic rod 32 is fixedly connected to one end of the six-axis robotic arm 31, with a mounting box 33 fixedly connected to the output end of the telescopic rod 32; the non-contact molten pool stirring mechanism includes a second motor 41, with a gear 42 fixedly connected to the lower end of the shaft of the second motor 41, and a gear ring 43 meshing on the surface of the gear 42, the inner surface of the gear ring 43 being... The wall is rotatably connected to the surface of the mounting box 33; the magnetic field-assisted holding mechanism includes a coolant reservoir 51, with an outlet pipe 52 on one side of the coolant reservoir 51, and a circulation pump 53 inside the outlet pipe 52; the non-contact molten pool stirring mechanism also includes a connecting rod 44, one end of which is fixedly connected to the surface of the toothed ring 43, and the other end of which is fixedly connected to a mounting block 45; the mounting block 45 has a cooling cavity 46 inside, and a magnetic field generator is located on the side of the mounting block 45 away from the cooling cavity 46. The coil 47 and the magnetic field-assisted holding mechanism also include a return pipe 54, one end of which is connected to the lower end of the inner cavity of the cooling chamber 46, and one end of the liquid outlet pipe 52 is connected to the upper end of the inner cavity of the cooling chamber 46. A semiconductor cooler 55 is fixedly connected to the surface of the coolant container 51. A cooling end 56 is provided on one side of the semiconductor cooler 55 and is located inside the coolant container 51. A heat dissipation end 57 is provided on the other side of the semiconductor cooler 55. The heat dissipation end 57 is annular and has heat dissipation fins on its surface.

[0023] In this embodiment, an alternating magnetic field is generated by the magnetic field generating coil 47. The alternating magnetic field induces eddy currents in the molten pool, generating Lorentz force to drive forced convection of the liquid metal, accelerating the upward discharge of bubbles and slag, and reducing porosity. At the same time, it breaks the growth of columnar crystals, promotes the formation of equiaxed crystals, and refines the grains. Simultaneously, the gear 42 is driven to rotate by the second motor 41, and the connecting rod 44 and the mounting block 45 are driven to rotate around the welding head through the meshing gear ring 43. The direction of the magnetic field is adjusted: perpendicular to the weld direction: promotes lateral mixing and reduces unfused sidewalls; parallel to the weld direction: guides the molten pool metal to flow backward, improving the shape of the excess height. At the same time, the circulation pump 53 in the coolant container 51 drives the coolant to flow into the cooling chamber 46 of the mounting block 45 through the outlet pipe 52. After absorbing the heat of the magnetic field generating coil 47, it flows back through the return pipe 54. In conjunction with the cooling end 56 of the semiconductor cooler 55, the coil temperature is controlled at a suitable temperature to ensure stable magnetic field strength and avoid high temperature affecting the magnetic field, thus improving the welding effect.

[0024] The working principle of the welding equipment used in the manufacturing of palletizing robots will be explained in detail below.

[0025] like Figures 1-8As shown, during use, the workpiece to be welded is placed on the fixed plate 15, and positioned by the bolted fastener 16 and the fixed frame 17. The rotating screw 18 drives the pressure block 19 to press the workpiece, ensuring stable clamping. After the first motor 12 starts, the fixed plate 15 is rotated through the cooperation of the rotating plate 13 and the rotating seat 14, realizing multi-angle adjustment of the workpiece to meet the welding requirements of the six-axis robotic arm 31 for complex curved surfaces. Before welding, the inert gas cylinder 21 releases inert gas through the gas supply pipe 22 to the outlet 23 at the top of the welding chamber, forming a protective gas layer in the welding area to isolate the air and prevent metal oxidation. During the welding process, fumes and exhaust gases are drawn in through the intake port 24 at the bottom of the welding chamber. After particulate impurities are removed by the filter 25, clean gas is discharged from the exhaust port 26, maintaining the cleanliness of the air inside the chamber. During welding, the six-axis robotic arm 31 adjusts the height of the mounting box 33 via the telescopic rod 32, aligning the welding heads of the laser-welded component 34 and the arc-welded component 35 at the welding position. The laser-welded component 34 emits a high-energy-density laser beam, instantly ionizing the surrounding gas to form a laser plasma cloud, which acts as a "conductive channel" to guide the arc energy of the arc-welded component 35, achieving stable arc ignition and path convergence. The laser's "keyhole effect" penetrates deep into the workpiece to form a deep-melting hole, while the arc energy simultaneously fills the molten pool. The combined energy of the two in the same area significantly increases the penetration depth compared to a single heat source, making it suitable for welding parts of varying thicknesses. During welding, an alternating magnetic field is generated by the magnetic field generating coil 47. This alternating magnetic field induces eddy currents within the molten pool, generating Lorentz force to drive forced convection of the liquid metal, accelerating the upward movement and discharge of bubbles and slag, thus reducing porosity. Simultaneously, it breaks up columnar crystal growth, promotes the formation of equiaxed crystals, and refines the grains. Furthermore, the second motor 41 drives the gear 42 to rotate, which in turn drives the connecting rod through the meshing gear ring 43. 44 and mounting block 45 rotate around the welding head to adjust the direction of the magnetic field. Perpendicular to the weld direction: promotes lateral mixing and reduces incomplete fusion on the sidewalls; parallel to the weld direction: guides the molten pool metal to flow backward and improves the formation of the excess height. At the same time, the circulating pump 53 in the coolant container 51 drives the coolant to flow into the cooling chamber 46 of the mounting block 45 through the outlet pipe 52. After absorbing the heat of the magnetic field generating coil 47, it flows back through the return pipe 54. In conjunction with the cooling end 56 of the semiconductor cooler 55, the coil temperature is controlled at a suitable temperature to ensure the stability of the magnetic field strength and avoid the influence of high temperature on the magnetic field, thus making the welding effect better.

[0026] The present invention has been described in detail above. However, modifications or improvements can be made to it, which will be obvious to those skilled in the art. Therefore, any modifications or improvements that do not depart from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A welding device for manufacturing palletizing robots, characterized in that: include The fixing mechanism includes a welding cabinet (11), the upper end of the inner cavity of the welding cabinet (11) is set as a welding cavity, the lower end is set as an installation cavity, the top of the inner cavity of the installation cavity is fixedly connected to a first motor (12), and one end of the shaft of the first motor (12) is fixedly connected to a rotating disk (13). The welding environment improvement mechanism includes an inert gas cylinder (21), the outlet of the inert gas cylinder (21) is provided with a gas supply pipe (22) with an attached solenoid valve, one end of the gas supply pipe (22) is provided with an outlet (23), and the outlet (23) is located at the top of the inner cavity of the welding chamber. A laser-arc hybrid welding mechanism, comprising a six-axis robotic arm (31), the bottom of which is fixedly connected to the bottom of the welding cavity, and a telescopic rod (32) fixedly connected to one end of the six-axis robotic arm (31), and a mounting box (33) fixedly connected to the output end of the telescopic rod (32). The non-contact molten pool stirring mechanism includes a second motor (41), and a gear (42) is fixedly connected to the lower end of the shaft of the second motor (41). A gear ring (43) meshes with the surface of the gear (42), and the inner wall of the gear ring (43) is rotatably connected to the surface of the mounting box (33). A magnetic field-assisted holding mechanism includes a coolant reservoir (51), a coolant outlet pipe (52) is provided on one side of the coolant reservoir (51), and a circulation pump (53) is provided inside the outlet pipe (52).

2. The welding equipment for manufacturing palletizing robots according to claim 1, characterized in that: The fixing mechanism also includes a rotating seat (14), the bottom of which is fixedly connected to the bottom of the welding cavity, the surface of which is rotatably connected to the interior of the rotating disk (13), and the top of which is fixedly connected to a fixing disk (15) with mounting holes on its surface.

3. The welding equipment for manufacturing palletizing robots according to claim 2, characterized in that: The surface of the fixed plate (15) is bolted with a fastener (16), the top of the fastener (16) is fixedly connected with a fixed frame (17), the inside of the fixed frame (17) is threaded with a screw (18), and the lower end of the screw (18) is rotatably connected with a pressure block (19).

4. The welding equipment for manufacturing palletizing robots according to claim 1, characterized in that: The welding environment improvement mechanism also includes an air intake (24), which is located at the bottom of the inner cavity of the welding chamber. The bottom of the inner cavity of the air intake (24) is connected to a filter (25) through a pipe, and the outlet of the filter (25) is connected to an exhaust port (26) through a pipe.

5. The welding equipment for manufacturing palletizing robots according to claim 1, characterized in that: The laser-arc hybrid welding mechanism also includes a welding head, the top of which is fixedly connected to the bottom of the mounting box (33), and the welding head includes a laser welding component (34) and an arc welding component (35).

6. The welding equipment for manufacturing palletizing robots according to claim 1, characterized in that: The non-contact molten pool stirring mechanism also includes a connecting rod (44), one end of which is fixedly connected to the surface of the toothed ring (43).

7. The welding equipment for manufacturing palletizing robots according to claim 6, characterized in that: The other end of the connecting rod (44) is fixedly connected to the mounting block (45), and the mounting block (45) has a cooling cavity (46) inside. A magnetic field generating coil (47) is provided on the side of the mounting block (45) away from the cooling cavity (46).

8. The welding equipment for manufacturing palletizing robots according to claim 1, characterized in that: The magnetic field-assisted holding mechanism also includes a return pipe (54), one end of which is connected to the lower end of the inner cavity of the cooling chamber (46), and one end of the liquid outlet pipe (52) is connected to the upper end of the inner cavity of the cooling chamber (46).

9. The welding equipment for manufacturing palletizing robots according to claim 1, characterized in that: A semiconductor cooler (55) is fixedly connected to the surface of the coolant reservoir (51), and a cooling end (56) is provided on one side of the semiconductor cooler (55).

10. A welding device for manufacturing palletizing robots according to claim 9, characterized in that: The cooling end (56) is located inside the coolant reservoir (51), and a heat dissipation end (57) is provided on the other side of the semiconductor cooler (55). The heat dissipation end (57) is annular, and heat dissipation fins are provided on the surface of the heat dissipation end (57).

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