Welding frame for automatic welding of automobile sheet metal parts

Abstract

The utility model relates to the field of automobile accessory processing, in particular to a welding frame for automatic welding of automobile sheet metal parts, which comprises a support frame, a rotating frame capable of rotating vertically is arranged on the support frame, three groups of assembly welding workbenches are arranged on the rotating frame around a rotating axis, and an included angle between any two groups of adjacent assembly welding workbenches is 60 degrees. According to the welding frame for automatic welding of the automobile sheet metal parts, the machining efficiency and precision are guaranteed, meanwhile, the overall size of the welding frame is reduced, the workshop space is saved, and the welding frame is convenient to transport and carry.

Description

Technical Field

[0001] The utility model relates to the field of auto parts processing, in particular to a welding frame for automatic welding of automobile sheet metal parts. Background Art

[0002] Automobile parts are each unit that constitutes an automobile as a whole and a product that serves the automobile. There is a wide variety of automobile parts. With the improvement of people's living standards, people's consumption of automobiles is increasing, and the market for automobile parts is also becoming larger and larger. In the production and processing of automobile parts, it is necessary to assemble and weld the parts. The existing method is that after workers assemble the parts to be welded and sheet metal parts on the welding frame, an automatic welding operation is carried out by a manipulator. The structure of the welding frame is as described in the Chinese invention patent with the application number CN200910031879.5 and the name of the fixture structure for automatic welding. The advantage of this welding frame is that it can avoid workers running back and forth, reducing the labor intensity of workers, shortening the waiting time of the automatic robot for welding, and improving the processing efficiency. However, there are also obvious disadvantages, that is, the overall volume of the welding frame is large, the transportation is difficult, and it requires a large amount of space. Content of the Utility Model

[0003] The technical problem to be solved by the utility model is to provide a welding frame for automatic welding of automobile sheet metal parts that saves space.

[0004] To solve the above technical problem, the technical solution adopted by the utility model is: a welding frame for automatic welding of automobile sheet metal parts, including a support frame, a rotatable frame is provided on the support frame, and three sets of assembly and welding workbenches are arranged around the rotation axis on the rotatable frame, and the included angle between any two adjacent assembly and welding workbenches is 60°.

[0005] Further, a servo motor is provided on the support frame, the rotatable frame is provided with a rotating shaft rotatably connected to the support frame, and the servo motor is connected to the rotating shaft through a transmission component.

[0006] Further, a baffle is provided on the support frame, and the baffle is located vertically above the rotatable frame.

[0007] Further, the inside of the baffle is hollow, and the surface of the baffle is provided with air suction holes and exhaust holes, and the exhaust holes are connected to the smoke exhaust air duct through a pipeline.

[0008] Further, an air box is provided on the support frame, the air box is located vertically below the rotatable frame, the air box is provided with an air inlet hole and an air outlet hole, and the air outlet hole is connected to the smoke exhaust air duct through a pipeline.

[0009] Further, a lifting frame is provided on the support frame, and a rotatable frame that can rotate vertically is arranged on the lifting frame.

[0010] Further, a lifting drive assembly and a vertical guide rail are provided on the support frame. The lifting drive assembly is connected to the lifting frame, and the lifting frame is slidably connected to the vertical guide rail.

[0011] Further, an assembly rack is provided on the assembly and welding workbench.

[0012] Further, sheet metal clamping jigs are provided on the assembly rack.

[0013] Further, the assembly rack and the welding workbench are connected by fastening with fasteners.

[0014] The beneficial effects of the present utility model are as follows: A welding frame for automatic welding of automobile sheet metal parts, the welding frame includes a support frame that plays a supporting role, and a rotating frame that is installed on the support frame and can be flipped on a vertical plane. Three assembly and welding workbenches for installing and fastening accessories are provided on the rotating frame. The arrangement of the three assembly and welding workbenches corresponds to the three side walls of a regular triangular prism in space, that is, the included angle formed between two adjacent assembly and welding workbenches is 60°. In this way, during use, the worker and the robotic welding torch are respectively located on both sides of the rotating frame. After the worker clamps the workpiece on the first group of assembly and welding workbench from one side, the rotating frame is controlled to flip the first group of assembly and welding workbench to the other side where the robotic welding torch is located, and the robotic welding torch is used for automatic welding. At this time, the second group of assembly and welding workbench flips to the side where the worker is located, and the worker can perform the clamping operation of the second group of workpieces. When the welding of the first group of workpieces is completed and the clamping of the second group of workpieces is completed, the rotating frame rotates by a preset angle again, so that the second group of assembly and welding workbench flips to the other side where the robotic welding torch is located. At this time, the first group of workpieces that have been welded are relatively located at the lower part of the flipping frame. When the worker clamps the workpiece on the third group of assembly and welding workbench and the robotic welding torch performs automatic welding on the second group of workpieces, the first group of workpieces have a certain time to cool. After cooling for a certain time, the first group of workpieces can be unloaded by an automatic unloading arm, or manually unloaded by the worker after flipping to the initial position. The welding frame for automatic welding of automobile sheet metal parts provided by the present utility model reduces the overall volume of the welding frame while ensuring processing efficiency and accuracy, saves factory space, and is convenient for the transportation and handling of the welding frame. Description of the Drawings

[0015] Figure 1 It is a structural schematic diagram of a welding frame for automatic welding of automobile sheet metal parts;

[0016] Figure 2 It is another structural schematic diagram of a welding frame for automatic welding of automobile sheet metal parts;

[0017] Label Description:

[0018] 1. Support frame; 11. Servo motor; 12. Baffle; 121. Suction hole; 122. Exhaust hole; 123. Pipe; 124. Smoke exhaust duct; 13. Air box; 131. Air inlet hole; 132. Air outlet hole; 14. Lifting frame; 15. Lifting drive assembly; 16. Vertical guide rail; 2. Rotary frame; 21. Rotating shaft; 3. Assembly and welding workbench. Detailed implementation mode

[0019] To describe in detail the technical content, achieved purpose and effects of the present utility model, the following is described in conjunction with the implementation modes and accompanied by drawings.

[0020] The present utility model provides a welding frame for automatic welding of automobile sheet metal parts, which is applied to the processing operation of automobile sheet metal accessories.

[0021] Please refer to Figures 1 to 2 As shown, a welding frame for automatic welding of automobile sheet metal parts of the present utility model includes a support frame 1. A rotatable rotary frame 2 is provided on the support frame 1. Three groups of assembly and welding workbenches 3 are arranged around the rotation axis on the rotary frame 2, and the included angle between any two adjacent assembly and welding workbenches 3 is 60°.

[0022] It can be seen from the above description that the beneficial effect of the present utility model is as follows: A welding frame for automatic welding of automobile sheet metal parts, the welding frame includes a support frame 1 that plays a supporting role, and a rotary frame 2 that is installed on the support frame 1 and can be flipped in the vertical plane. Three groups of assembly and welding workbenches 3 for installing locking accessories are provided on the rotary frame 2. The arrangement of the three groups of assembly and welding workbenches 3 corresponds to the three side walls of a regular triangular prism in space, that is, the included angle formed between two adjacent assembly and welding workbenches 3 is 60°. The welding frame for automatic welding of automobile sheet metal parts provided by the present utility model reduces the overall volume of the welding frame while ensuring processing efficiency and accuracy, saves factory space, and is convenient for the transportation and handling of the welding frame.

[0023] In an optional embodiment, a servo motor 11 is provided on the support frame 1. The rotary frame 2 is provided with a rotating shaft 21 rotatably connected to the support frame 1, and the servo motor 11 is connected to the rotating shaft 21 through a transmission assembly.

[0024] It can be seen from the above description that the servo motor 11 drives the rotating shaft 21 to rotate through the transmission assembly, thereby controlling the flipping of the support frame 1.

[0025] In an optional embodiment, a baffle 12 is provided on the support frame 1, and the baffle 12 is located vertically above the rotary frame 2.

[0026] It can be seen from the above description that the baffle 12 is located between the worker and the manipulator welding torch, playing a protective role.

[0027] In an alternative embodiment, the inside of the baffle 12 is hollow. The surface of the baffle 12 is provided with air suction holes 121 and exhaust holes 122. The exhaust holes 122 are connected to the smoke exhaust air duct 124 through a pipe 123.

[0028] As can be seen from the above description, during use, air suction holes 121 are provided on the side of the baffle 12 facing the robotic welding torch, sucking in the waste gas generated during the welding process and discharging it into the smoke exhaust air duct 124.

[0029] In an alternative embodiment, an air box 13 is provided on the support frame 1. The air box 13 is located vertically below the rotating frame 2. The air box 13 is provided with an air inlet hole 131 and an air outlet hole 132. The air outlet hole 132 is connected to the smoke exhaust air duct 124 through a pipe 123.

[0030] As can be seen from the above description, the function of the air box 13 is to collect waste gas and improve the cooling efficiency of the workpiece that has completed welding relative to the lower part of the flipping frame.

[0031] In an alternative embodiment, a lifting frame 14 is provided on the support frame 1, and a rotatable rotating frame 2 is arranged on the lifting frame 14 vertically.

[0032] As can be seen from the above description, the function of the lifting frame 14 is to adjust the height of the rotating frame 2, thereby adjusting the heights of the assembly operation and the welding operation.

[0033] In an alternative embodiment, a lifting drive assembly 15 and a vertical guide rail 16 are provided on the support frame 1. The lifting drive assembly 15 is connected to the lifting frame 14, and the lifting frame 14 is slidably connected to the vertical guide rail 16.

[0034] As can be seen from the above description, the vertical guide rail 16 plays a role in guiding and positioning the lifting frame 14, and adjusts the height position of the lifting frame 14 through a lifting drive assembly 15 such as a hydraulic assembly or a linear motor assembly.

[0035] In an alternative embodiment, an assembly frame is provided on the assembly and welding workbench 3.

[0036] In an alternative embodiment, sheet metal clamping fixtures are provided on the assembly frame.

[0037] In an alternative embodiment, the assembly frame and the welding workbench are connected by fastening with fasteners.

[0038] The working principle of the present utility model is as follows: During use, the worker and the manipulator welding torch are respectively located on both sides of the rotating frame 2. After the worker clamps the workpiece on the first set of assembly welding frame workbench from one side, the rotating frame 2 is controlled to flip, flipping the first set of assembly welding frame workbench to the other side where the manipulator welding torch is located, and automated welding is carried out using the manipulator welding torch. At this time, the second set of assembly welding frame workbench flips to the side where the worker is located, and the worker can perform the clamping operation on the second set of workpieces. After the first set of workpieces is welded and the second set of workpieces is clamped, the rotating frame 2 rotates by a preset angle again, flipping the second set of assembly welding workbench 3 to the other side where the manipulator welding torch is located. At this time, the first set of workpieces that have been welded are relatively at the lower part of the flipping frame. When the worker clamps the workpiece on the third set of assembly welding frame workbench and the manipulator welding torch performs automated welding on the second set of workpieces, the first set of workpieces have a certain time to cool. After cooling for a certain time, the first set of workpieces can be unloaded by the automated unloading arm, or manually unloaded by the worker after flipping to the initial position.

[0039] Please refer to Figures 1 to 2 As shown in

[0040] Embodiment 1 of the present utility model is: A welding frame for automated welding of automobile sheet metal parts, including a support frame 1. A vertically rotatable rotating frame 2 is provided on the support frame 1. Three sets of assembly welding workbenches 3 are arranged around the rotation axis on the rotating frame 2, and the included angle between any two adjacent sets of assembly welding workbenches 3 is 60°.

[0041] In summary, the welding frame for automated welding of automobile sheet metal parts of the present invention comprises a supporting frame that plays a supporting role, and a rotating frame that is installed on the supporting frame and can be flipped on a vertical plane. The rotating frame is provided with three groups of assembly welding workbenches for installing locking accessories. The arrangement of the three groups of assembly welding workbenches corresponds to the three side walls of a regular triangular prism in space, that is, the angle formed between two adjacent groups of assembly welding workbenches is 60 degrees. In this way, during use, the worker and the manipulator welding gun are respectively located on both sides of the rotating frame. After the worker completes the clamping of the workpiece on the first group of assembly welding frame workbenches from one side, he controls the rotating frame to flip the first group of assembly welding frame workbenches to the other side where the manipulator welding gun is located, and uses the machine The hand welding gun performs automated welding. At this time, the second set of assembly welding frame worktables flips to the side where the worker is located, and the worker can perform the clamping operation of the second set of workpieces. After the welding of the first set of workpieces is completed and the clamping of the second set of workpieces is completed, the rotating frame rotates again by a preset angle, so that the second set of assembly welding worktables flips to the other side where the robotic welding gun is located. At this time, the first set of workpieces that have completed welding are relatively located at the lower part of the flip frame. The worker clamps the workpieces on the third set of assembly welding frame worktables. When the robotic welding gun performs automated welding on the second set of workpieces, the first set of workpieces has a certain amount of time to cool down. After cooling for a certain period of time, the first set of workpieces can be unloaded by the automated unloading arm, or flipped to the initial position and manually unloaded by the worker. The welding frame for automated welding of automotive sheet metal parts provided by the utility model reduces the overall volume of the welding frame while ensuring processing efficiency and precision, saves factory space, and facilitates the transportation and handling of the welding frame.

[0042] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent transformations made using the contents of the description and drawings of the present invention, or directly or indirectly applied in the relevant technical field, are also included in the patent protection scope of the present invention.

Claims

1. A welding frame for automatic welding of automobile sheet metal parts, characterized in that It includes a support frame, on which there is a rotatable frame that can rotate vertically. There are three sets of assembly and welding workbenches arranged around the rotation axis on the rotatable frame, and the included angle between any two adjacent assembly and welding workbenches is 60°.

2. The welding rack for automatic welding of automobile sheet metal parts according to claim 1, characterized in that, A servo motor is provided on the support frame. The rotatable frame is provided with a rotating shaft rotatably connected to the support frame, and the servo motor is connected to the rotating shaft through a transmission component.

3. The welding frame for automated welding of automotive sheet metal parts according to claim 1, wherein, A baffle is provided on the support frame, and the baffle is located vertically above the rotatable frame.

4. The welding frame for automatic welding of automobile sheet metal parts according to claim 3, characterized in that, The inside of the baffle is hollow, and the surface of the baffle is provided with air suction holes and exhaust holes. The exhaust holes are connected to the smoke exhaust air duct through pipes.

5. The welding frame for automatic welding of automobile sheet metal parts according to claim 1, characterized in that, A wind box is provided on the support frame, and the wind box is located vertically below the rotatable frame. The wind box is provided with an air inlet hole and an air outlet hole, and the air outlet hole is connected to the smoke exhaust air duct through a pipe.

6. The welding frame for automatic welding of automotive sheet metal parts according to claim 1, characterized in that, The support frame is provided with a lifting frame, and a rotatable frame that can rotate vertically is arranged on the lifting frame.

7. The welding frame for automatic welding of automotive sheet metal parts according to claim 6, characterized in that, The support frame is provided with a lifting drive component and a vertical guide rail. The lifting drive component is connected to the lifting frame, and the lifting frame is slidably connected to the vertical guide rail.

8. The welding frame for automatic welding of automobile sheet metal parts according to claim 1, characterized in that, An assembly rack is provided on the assembly and welding workbench.

9. The welding frame for automatic welding of automobile sheet metal parts according to claim 8, characterized in that, Sheet metal clamping fixtures are provided on the assembly rack.

10. The welding jig for automatic welding of automobile sheet metal parts according to claim 8, characterized in that, The assembly rack and the welding workbench are connected by fastening with fasteners.

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