Automatic arc welding production device

Abstract

This invention relates to an automated splicing arc welding production device. It employs a seven-axis transport robot positioned below an automated intelligent transport truss along a preset axis. Below the automated intelligent transport truss, and on one side of the seven-axis transport robot, several positioning trolleys are positioned along the preset axis. Below the automated intelligent transport truss, and on one side of the positioning trolleys' travel path, an assembly fixture is positioned. A welding robot is positioned on one side of the assembly fixture. The main control system controls the positioning trolleys to transport materials to the assembly fixture, where the seven-axis transport robot assembles the materials. The welding robot welds the assembled materials. The automated intelligent transport truss removes the welded materials from the production line. This device solves the technical problems of on-site chaos, frequent errors, low production efficiency, and high manual labor intensity.

Description

Technical Field

[0001] The embodiments of the present invention relate to an automatic splicing arc welding production device, and particularly to an automatic splicing arc welding device for excavator X-frame chassis applied in the production line field of excavator manufacturers. Background Technology

[0002] Currently, excavator manufacturers use manual arc welding for assembly processes. The automatic assembly welding of the X-frame of excavators is done on a simple platform or the ground. The workers use a crane to lift the individual parts onto the platform and then use a manual arc welding gun for spot welding. The disadvantages are: the site is chaotic and prone to problems, the production efficiency is low, the labor intensity is high, the arc light is extremely harmful to the eyes during long-term work, and the welding fumes will damage the worker's respiratory system. Summary of the Invention

[0003] The purpose of this invention is to provide a production device capable of automatic splicing arc welding.

[0004] To achieve the above objectives, embodiments of the present invention provide an automatic splicing arc welding production device, comprising:

[0005] Automated intelligent handling trusses;

[0006] A seven-axis transport robot is installed below the automated intelligent transport gantry, along a preset axis of the automated intelligent transport gantry.

[0007] Positioning carts are arranged below the automatic intelligent handling gantry, on one side of the seven-axis handling robot, and along the preset axis.

[0008] The assembly fixture is installed below the automatic intelligent handling truss and on one side of the travel path of the positioning material cart.

[0009] A welding robot is installed on one side of the assembly fixture;

[0010] The main control system controls the positioning material cart to transport materials to the assembly fixture. The seven-axis handling robot assembles the materials on the assembly fixture. The welding robot welds the assembled materials. The automatic intelligent handling gantry removes the welded materials from the production line.

[0011] Furthermore, the automated intelligent handling truss transports the welded material along the direction perpendicular to the preset axis.

[0012] Furthermore, several of the positioning carts are arranged along the preset axis; the positioning carts move along a path perpendicular to the preset axis.

[0013] Furthermore, an arc welding equipment accessory is provided on one side of the welding robot for the welding robot to change welding guns.

[0014] Furthermore, the automated intelligent handling gantry also includes:

[0015] A transport bracket is fixed below the automated intelligent transport gantry.

[0016] The transport slide rail is fixed on the transport bracket;

[0017] The X-axis moving beam is movably connected to the transport slide rail;

[0018] The Y-axis moving slide rail is fixed on the X-axis moving beam;

[0019] Y-axis movable component, movably connected to the Y-axis movable slide rail;

[0020] A retrieval gripper is movably mounted on the Y-axis movable attachment.

[0021] Furthermore, the seven-axis handling robot also includes:

[0022] A six-axis robot is provided on each side of the seven-axis transport robot.

[0023] The six-axis robot is movably connected to the walking track; the six-axis robot moves back and forth on the walking track to collect materials and assemble them.

[0024] Furthermore, the positioning material cart is an AGV (Automated Guided Vehicle); the positioning material cart is positioned on the storage locations on both sides of the seven-axis handling robot.

[0025] Furthermore, the positioning material cart includes:

[0026] The first material transport trolley is set on one side of the automatic intelligent handling truss;

[0027] The second material transport trolley is set on the other side of the automatic intelligent handling truss;

[0028] The first material handling trolley is positioned on one side of the seven-axis handling robot and is used by a six-axis robot within the seven-axis handling robot to transport materials.

[0029] The second material handling trolley is positioned on the other side of the seven-axis handling robot to transport materials for another six-axis robot in the seven-axis handling robot.

[0030] Furthermore, the assembly fixture is positioned in the middle of the positioning cart; after one of the six-axis robots in the seven-axis handling robot is assembled, it enters the assembly fixture, and then the other six-axis robot in the seven-axis handling robot is assembled.

[0031] Furthermore, the main control system also includes:

[0032] The PLC control system is electrically connected to the automated intelligent handling gantry, the seven-axis handling robot, the positioning material cart, the assembly fixture, and the welding robot; the PLC control system controls the movements of the automated intelligent handling gantry, the seven-axis handling robot, the positioning material cart, the assembly fixture, and the welding robot.

[0033] The PLC control system is communicatively connected to the bus information display screen.

[0034] Compared with existing technologies, the embodiments of this invention address the technical problems of on-site chaos, easy occurrence of problems, low production efficiency, and high labor intensity caused by manual labor in this process of excavator manufacturers. This is achieved by automatically assembling robots in this embodiment, eliminating the need for manual labor on the production line. The invention employs a seven-axis transport robot positioned below the automated intelligent transport gantry along a preset axis. Below the automated intelligent transport gantry, on one side of the seven-axis transport robot, several positioning trolleys are positioned along the preset axis. Below the automated intelligent transport gantry, on one side of the positioning trolleys' travel path, an assembly fixture is positioned. A welding robot is positioned on one side of the assembly fixture. The main control system controls the positioning trolleys to transport materials to the assembly fixture, where the seven-axis transport robot assembles the materials. The welding robot welds the assembled materials. The automated intelligent transport gantry removes the welded materials from the production line. Attached Figure Description

[0035] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0036] Figure 2 for Figure 1 A top-down view diagram;

[0037] Figure 3 for Figure 1 A schematic diagram of the main view direction;

[0038] Figure 4This is a control diagram of the main control system. Detailed Implementation

[0039] To make the objectives, technical solutions, and advantages of this invention clearer, the various embodiments of this invention will be described in detail below with reference to the accompanying drawings. However, those skilled in the art will understand that many technical details have been provided in the various embodiments of this invention to facilitate a better understanding of this application. However, the technical solutions claimed in the claims of this application can be implemented even without these technical details and with various variations and modifications based on the following embodiments.

[0040] The embodiments of the present invention relate to an automatic splicing arc welding production apparatus, such as... Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, taking the X-frame of a welding excavator as an example, it includes:

[0041] The automatic intelligent handling truss 10 in the automatic splicing arc welding production device in this embodiment is mainly used for the unloading of the X-frame of the excavator.

[0042] Below the automated intelligent handling gantry 10, a seven-axis handling robot 20 is set along a preset axis of the automated intelligent handling gantry 10; in this embodiment, the seven-axis handling robot 20 is set on the vertical axis of the automated intelligent handling gantry 10.

[0043] Below the automatic intelligent handling gantry 10, and on one side of the seven-axis handling robot 20, several positioning carts 30 are set along a preset axis; the positioning carts 30 are used to transport various parts of the excavator's X-frame.

[0044] Below the automatic intelligent handling truss 10, an assembly fixture 40 is set on one side of the travel path of the positioning material cart 30; the assembly fixture 40 assembles the various parts of the excavator's X-frame onto the X-frame.

[0045] A welding robot 50 is installed on one side of the assembly fixture 40; the welding robot 50 welds the various parts of the excavator's X-frame to form an integral X-frame.

[0046] The main control system 60 controls the positioning material cart 30 to transport materials to the assembly fixture 40. A seven-axis handling robot 20 assembles the various parts of the excavator's X-frame on the assembly fixture 40. A welding robot 50 welds the assembled parts of the excavator's X-frame. An automatic intelligent handling gantry 10 removes the welded parts of the excavator's X-frame from the assembly line. This completes the process from the individual parts of the excavator's X-frame to the removal of the X-frame from the assembly line. This solves the technical problems of on-site chaos, potential issues, low production efficiency, and high manual labor intensity.

[0047] To achieve the aforementioned technical effects, the automatic splicing arc welding production device in this embodiment, such as... Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, the automatic intelligent handling truss 10 transports the welded material along the vertical direction of the preset axis; in this embodiment, the automatic intelligent handling truss 10 transports the welded material, i.e., the X-frame of the excavator, along the vertical direction of the preset axis, i.e., horizontally.

[0048] To achieve the aforementioned technical effects, the automatic splicing arc welding production device in this embodiment, such as... Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, several positioning carts 30 are arranged along a preset axis; the positioning carts 30 move along a path perpendicular to the preset axis. In this embodiment, the positioning carts 30 are arranged along a longitudinal axis and move along a horizontal axis.

[0049] To achieve the aforementioned technical effects, the automatic splicing arc welding production device in this embodiment, such as... Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, an arc welding equipment accessory 70 is provided on one side of the welding robot 50 for the welding robot 50 to change welding guns.

[0050] To achieve the aforementioned technical effects, the automatic splicing arc welding production device in this embodiment, such as... Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, the automated intelligent handling gantry 10 also includes:

[0051] A transport bracket 11 is fixed below the automatic intelligent transport gantry 10; the transport bracket 11 mainly serves a supporting function.

[0052] A transport slide rail 12 is fixed on the transport bracket 11; the transport slide rail 12 mainly serves to support the X-axis moving beam 13.

[0053] An X-axis moving beam 13 is movably connected to the transport slide rail 12; the X-axis moving beam 13 slides on the transport slide rail 12;

[0054] A Y-axis moving slide rail 14 is fixed on the X-axis moving beam 13; the Y-axis moving slide rail 14 is used to support the Y-axis moving bracket 15.

[0055] A Y-axis movable bracket 15 is movably connected to the Y-axis movable slide rail 14; the Y-axis movable bracket 15 is used to slide on the Y-axis movable slide rail 14.

[0056] A part-retrieving gripper 16 is movably set on the Y-axis movable hanger 15. The part-retrieving gripper 16 is used to retrieve the X-frame after welding is completed.

[0057] To achieve the aforementioned technical effects, the automatic splicing arc welding production device in this embodiment, such as... Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, the seven-axis handling robot 20 also includes:

[0058] A six-axis robot 21 is set on each side of the seven-axis handling robot 20;

[0059] A six-axis robot 21 is connected to the walking track 22; the six-axis robot 21 moves back and forth on the walking track 22 to handle materials and assemble them. The six-axis robot 21 and the walking track 22 constitute the architecture of the seven-axis handling robot 20; the six-axis robot 21 is used to assemble the X-frame; the walking track 22 is used for movement during the handling process.

[0060] To achieve the aforementioned technical effects, the automatic splicing arc welding production device in this embodiment, such as... Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, the positioning cart 30 is an AGV (Automated Guided Vehicle) cart; the positioning cart 30 is positioned on the storage locations 23 on both sides of the seven-axis handling robot 20. The positioning cart 30 is located on fixed storage locations 23.

[0061] To achieve the aforementioned technical effects, the automatic splicing arc welding production device in this embodiment, such as... Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, the positioning trolley 30 includes:

[0062] A first material handling trolley 31 is set on one side of the automatic intelligent handling truss 10;

[0063] A second material handling trolley 32 is set on the other side of the automatic intelligent handling truss 10; the second material handling trolley 32 and the first material handling trolley 31 respectively transport different parts of the X-frame;

[0064] The first material handling trolley 31 is positioned on one side of the seven-axis handling robot 20 and is used to transport materials for one of the six-axis robots 21 in the seven-axis handling robot 20.

[0065] The second material handling trolley 32 is positioned on the other side of the seven-axis handling robot 20 to transport materials for another six-axis robot 21 in the seven-axis handling robot 20.

[0066] To achieve the aforementioned technical effects, the automatic splicing arc welding production device in this embodiment, such as... Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, the assembly fixture 40 is set in the middle of the positioning material cart 30; after one of the six-axis robots 21 in the seven-axis handling robot 20 is assembled, it enters the assembly fixture 40, and then the other six-axis robot 21 in the seven-axis handling robot 20 is assembled.

[0067] To achieve the aforementioned technical effects, the automatic splicing arc welding production device in this embodiment, such as... Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, the main control system 60 also includes:

[0068] The PLC control system 61 is electrically connected to the automatic intelligent handling gantry 10, the seven-axis handling robot 20, the positioning material cart 30, the assembly fixture 40, and the welding robot 50; the PLC control system 60 controls the movements of the automatic intelligent handling gantry 10, the seven-axis handling robot 20, the positioning material cart 30, the assembly fixture 40, and the welding robot 50.

[0069] The PLC control system 61 is communicatively connected to the bus information display screen 62. The PLC control system 61 and the bus information display screen 62 constitute the control system 60 in this embodiment.

[0070] Those skilled in the art will understand that the above embodiments are specific examples of implementing the present invention, and in practical applications, various changes in form and detail may be made without departing from the spirit and scope of the present invention.

Claims

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The automatic arc welding production apparatus according to claim 1, characterized by The assembling fixture is arranged at the middle position of the positioning trolley; after one six-axis robot of the seven-axis carrying robot is assembled, the six-axis robot enters the assembling fixture, and another six-axis robot of the seven-axis carrying robot carries out assembling.

4. The automatic, splicing, arc welding production apparatus according to claim 1, characterized by The main control system further comprises: A PLC control system, which is electrically connected with the automatic intelligent carrying truss, the seven-axis carrying robot, the positioning trolley, the assembling fixture and the welding robot; the PLC control system controls the movement of the automatic intelligent carrying truss, the seven-axis carrying robot, the positioning trolley, the assembling fixture and the welding robot; A bus information display screen, which is in communication connection with the PLC control system.

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