A full-automatic multi-station automobile body-in-white welding system with displacement

Abstract

The utility model relates to a kind of variable-position full-automatic multi-station automobile body-in-white welding system, main body frame middle is provided with variable-position station subassembly, main body frame left and right sides are provided with Y-axis electric drive subassembly, two Y-axis electric drive subassembly between are provided with X-axis electric drive subassembly, X-axis electric drive subassembly is provided with Z-axis electric drive subassembly, Z-axis electric drive subassembly is provided with electric welding gun subassembly;X-axis electric drive subassembly, Y-axis electric drive subassembly, Z-axis electric drive subassembly, electric welding gun subassembly and variable-position station subassembly are controlled by controller component respectively;The utility model has the function of multi-station variable-position automatic welding, can replace a operator bare-handed in the purpose of welding workpiece, save time and labour, high efficiency energy saving, with good security, while avoiding the damage of adverse working environment to the health of operator, this technical scheme can be widely applied in various fields.

Description

Technical Field

[0001] This utility model relates to the field of automotive welding technology, and in particular to a displacement-type fully automatic multi-station automotive body-in-white welding system. Background Technology

[0002] my country's automotive industry has made significant progress, with continuous growth in demand. In recent years, with the expansion of infrastructure, freight, and military sectors, the demand for heavy-duty commercial vehicles has also increased substantially. Many small parts in the body-in-white of heavy-duty commercial trucks are manufactured using welding processes, which are primarily done manually. This process is labor-intensive, involves high personnel density, and the fumes produced during welding pose a significant health risk to workers. Therefore, it is essential to design a welding system that can reduce labor intensity, decrease the number of workers, improve efficiency, and enhance the working environment. Utility Model Content

[0003] The purpose of this invention is to address the shortcomings of existing technologies by providing a displacement-type fully automatic multi-station automotive body-in-white welding system.

[0004] This utility model is achieved using the following technical solution:

[0005] A positional fully automatic multi-station automotive body-in-white welding system includes a main frame, an X-axis electric drive assembly, a Y-axis electric drive assembly, a Z-axis electric drive assembly, a welding gun assembly, a positional station assembly, and a controller assembly.

[0006] The main frame has a displacement station component in the middle, and Y-axis electric drive components are arranged on the left and right sides of the main frame. An X-axis electric drive component is arranged between the two Y-axis electric drive components. A Z-axis electric drive component is arranged on the X-axis electric drive component, and a welding gun component is arranged on the Z-axis electric drive component. The X-axis electric drive component, Y-axis electric drive component, Z-axis electric drive component, welding gun component, and displacement station component are all controlled by the controller component.

[0007] Preferably, the positioner station assembly includes a positioner servo motor, a harmonic reducer, a synchronous belt, a synchronous shaft, a clamping cylinder one, a clamping arm one, a clamping cylinder two, and a clamping arm two.

[0008] Several workstation frames are arranged between the main frames. The workstation frames are equipped with the positioner servo motor, the harmonic reducer, and the synchronous shaft. The synchronous pulley and synchronous belt are arranged on two adjacent synchronous shafts. The first clamping cylinder is arranged at the rear of the workstation frame, and the first clamping cylinder is equipped with the first clamping pressure arm. The second clamping cylinder is arranged at the front of the workstation frame, and the second clamping cylinder is equipped with the second clamping pressure arm. The first clamping cylinder and the second clamping cylinder are supplied with air by cylinders.

[0009] Preferably, it also includes positioning pins; a plurality of the positioning pins are disposed on the workstation frame.

[0010] Preferably, the X-axis electric drive assembly, the Y-axis electric drive assembly, and the Z-axis electric drive assembly each include a servo motor, a ball screw, and a slider; the slider moves on the ball screw via the servo motor.

[0011] Preferably, the welding gun assembly includes a horizontal rotary reducer, a swivel gun motor, a swivel gun reducer, and a welding gun; the Z-axis electric drive assembly is respectively provided with the horizontal rotary reducer, the swivel gun motor, the swivel gun reducer, and the welding gun.

[0012] Preferably, it also includes an intermediate light-shielding plate; the intermediate light-shielding plate is provided with a notch; the Z-axis electric drive assembly and the welding gun assembly move at the notch.

[0013] Preferably, it also includes a movable light-shielding panel assembly; the movable light-shielding panel assembly includes a lifting cylinder and light-shielding glass; both the left and right ends of the front side of the main frame are provided with side U-shaped grooves, and the light-shielding glass on the left and right sides moves up and down in the side U-shaped grooves respectively through the lifting cylinder.

[0014] Preferably, it also includes a wire feeding assembly; the wire feeding assembly is provided on the rear side of the main frame, and the wire feeding assembly includes a wire feeder, a wire feeding reel and a wire feeding tube.

[0015] Preferably, the main frame is provided with a top cover, the top cover is provided with a smoke exhaust pipe, the main frame is provided with baffles on the left and right sides and the rear side, and the main frame is provided with a box body at the bottom of the left and right sides respectively.

[0016] Preferably, the controller assembly includes a control cabinet, a control panel, and control buttons; the control cabinet, the control panel, and the control buttons are respectively provided on one side of the main frame.

[0017] Compared with the prior art, the present invention has the following beneficial technical effects:

[0018] This utility model features multi-station automatic welding, which can replace a worker in manually welding workpieces, saving time and effort, increasing efficiency and energy, and providing excellent safety while avoiding the harm to workers' health caused by harsh working environments. This technical solution can be widely applied in various fields. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of the present invention. Figure 1 ;

[0020] Figure 2 This is a schematic diagram of the welding gun assembly structure of this utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the displacement-type workstation component of this utility model;

[0022] Figure 4 This is a front view of the overall structure of this utility model;

[0023] Figure 5 This is a schematic diagram of the overall structure of the present invention. Figure 2 .

[0024] In the diagram: 1. Main frame; 2. Exhaust duct; 3. Top cover; 4. Baffle plate; 5. Middle light shield; 6. Control cabinet; 7. Control panel; 8. Control buttons; 9. Cabinet 1; 10. Cabinet 2; 11. Light shielding glass; 12. Lifting cylinder; 13. Side U-shaped channel; 14. Y-axis electric drive assembly; 15. X-axis electric drive assembly; 16. Z-axis electric drive assembly; 17. Horizontal rotary reducer; 18. Swing 19. Gun motor; 20. Swing gun reducer; 21. Welding gun; 22. Positioner servo motor; 23. Harmonic reducer; 24. Synchronous pulley and synchronous belt; 25. Synchronous shaft; 26. Workpiece 1; 27. Clamping cylinder 1; 28. Clamping pressure arm 1; 29. ​​Clamping cylinder 2; 30. Positioning pin; 31. Wire feeder; 32. Wire feed tube; 33. Wire feed spool; 34. Workpiece 2; 35. Cylinder. Detailed Implementation

[0025] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, unless otherwise explicitly specified and limited, the embodiments and features described in the embodiments of this application can be combined with each other. In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," and "connect" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0026] like Figure 1-5 As shown: A positional fully automatic multi-station automotive body-in-white welding system includes a main frame 1, an X-axis electric drive assembly 15, a Y-axis electric drive assembly 14, a Z-axis electric drive assembly 16, a welding gun assembly, a positional station assembly, and a controller assembly.

[0027] A position-shifting workstation assembly is set in the middle of the main frame 1. Y-axis electric drive assemblies 14 are set on the left and right sides of the main frame 1. An X-axis electric drive assembly 15 is set between the two Y-axis electric drive assemblies 14. A Z-axis electric drive assembly 16 is set on the X-axis electric drive assembly 15. A welding gun assembly is set on the Z-axis electric drive assembly 16. The X-axis electric drive assembly 15, Y-axis electric drive assembly 14, Z-axis electric drive assembly 16, welding gun assembly and position-shifting workstation assembly are controlled by a controller assembly.

[0028] Several workstation frames are arranged between the main frame 1. Each workstation frame is equipped with a positioner servo motor 21, a harmonic reducer 22, and a synchronous shaft 24. A synchronous pulley and a synchronous belt 23 are arranged on two adjacent synchronous shafts 24. A clamping cylinder 1 26 is arranged on the rear side of the workstation frame. A clamping pressure arm 1 27 is arranged on the clamping cylinder 1 26. A clamping cylinder 28 is arranged on the front side of the workstation frame. A clamping pressure arm 29 is arranged on the clamping cylinder 28. The clamping cylinder 1 26 and the clamping cylinder 28 are supplied with air by the cylinder 35. Preferably, the workstation frame and the main frame 1 can be rigidly connected by bolts; the workstation frame is provided with workpiece 1 25 and workpiece 2 34, the clamping arm 27 of the clamping cylinder 1 26 is used to clamp workpiece 1 25 and workpiece 34, the clamping arm 29 on the clamping cylinder 2 28 is used to clamp the workstation frame, the synchronous pulley and synchronous belt 23 and the synchronous shaft 24, the synchronous shaft 24 at the end is driven by the synchronous positioner servo motor 21 and the harmonic reducer 22, which drives the other synchronous shafts 24 to rotate, so as to adjust the angle of workpiece 1 and workpiece 2, so that the weld is exposed and it is convenient for the robotic arm to weld.

[0029] It also includes positioning pins 30; several positioning pins 30 are set on the workstation frame.

[0030] The X-axis electric drive assembly 15, Y-axis electric drive assembly 14, and Z-axis electric drive assembly 16 each include a servo motor, a ball screw, and a slider; the slider moves on the ball screw via the servo motor. Preferably, the X-axis electric drive assembly 15, Y-axis electric drive assembly 14, Z-axis electric drive assembly 16, and the main frame 1 can be rigidly connected by bolts.

[0031] The welding torch assembly includes a horizontal rotary reducer 17, a swivel torch motor 18, a swivel torch reducer 19, and a welding torch 20; the Z-axis electric drive assembly 16 is equipped with the horizontal rotary reducer 17, the swivel torch motor 18, the swivel torch reducer 19, and the welding torch 20. Preferably, the Z-axis electric drive assembly 16, the horizontal rotary reducer 17, the swivel torch motor 18, the swivel torch reducer 19, and the welding torch 20 are mounted via corresponding mounting brackets and can be rigidly connected by bolts.

[0032] It also includes an intermediate light-shielding plate 5; a notch is provided on the intermediate light-shielding plate 5; the Z-axis electric drive assembly 16 and the welding gun assembly move at the notch.

[0033] It also includes a movable light-shielding panel assembly; the movable light-shielding panel assembly includes a lifting cylinder 12 and a light-shielding glass 11; both the left and right ends of the front side of the main frame 1 are provided with side U-shaped grooves 13, and the light-shielding glass 11 on the left and right sides moves up and down in the side U-shaped grooves 13 respectively through the lifting cylinder 12. Preferably, the side U-shaped grooves 13 and the main frame 1 can be rigidly connected by bolts; the bottom of the lifting cylinder 12 is rigidly connected to the main frame 1, the light-shielding glass 11 is rigidly connected to the glass frame, the piston rod at the top of the lifting cylinder 12 is rigidly connected to the glass frame, and the glass frame is slidably connected to the side U-shaped grooves 13; when the left lifting cylinder 12 is activated, it will drive the left light-shielding glass 11 to rise to the required height, at which time the left light-shielding glass 11 and the middle light-blocking plate 5 form a closed space; similarly, when the right lifting cylinder 12 is activated, it will drive the right light-shielding glass 11 to rise to the required height, at which time the right light-shielding glass 11 and the middle light-blocking plate 5 form a closed space.

[0034] It also includes a wire feeding assembly; a wire feeding assembly is provided on the rear side of the main frame 1, and the wire feeding assembly includes a wire feeder 31, a wire feeding reel 33, and a wire feeding tube 32. Preferably, the wire feeder 31, the wire feeding reel 33, the bracket on which the wire feeding reel 33 is placed, the wire feeding tube 32, and the main frame 1 can be rigidly connected by bolts.

[0035] The main frame 1 has a top cover 3, on which a chimney 2 is mounted. Baffles 4 are mounted on the left, right, and rear sides of the main frame 1. Boxes are mounted on the bottom of the left and right sides of the main frame 1. Preferably, the main frame 1, chimney 2, top cover 3, and baffles 4 are rigidly connected by bolts. The box, including box one 9 and box two 10, serves as a parts rack for easy placement and retrieval.

[0036] The controller assembly includes a control cabinet 6, a control panel 7, and control buttons 8; the control cabinet 6, control panel 7, and control buttons 8 are respectively installed on one side of the main frame 1. Preferably, the control cabinet 6, control panel 7, control buttons 8, and main frame 1 can be rigidly connected by bolts; the control buttons 8 are equipped with an emergency stop switch for easy one-button operation; the control cabinet 6 has a door that can be opened and closed; the control panel 7 is embedded in the controller, making the operation process convenient and visual.

[0037] Based on the above, the following are the steps for using a displacement-type fully automatic 10-station arc welding system:

[0038] 1. Place the five lower support assemblies (workpiece 1 25) on the positioning pins 30 on the left or right side of the middle light shield 5, and at the same time place the five workpieces 2 34 on the reinforcing plate, and start the pneumatic clamping button.

[0039] 2. Then restart the corresponding program control button;

[0040] 3. After the start button is turned on, the moving parts of the entire mechanism drive the welding torch 20 to perform welding operations in the set posture. After the welding action is completed, the position of the welding torch 20 automatically returns to the zero point.

[0041] 4. At this time, place the other workpiece in the same way and start the program control button on the other side. The welding gun 20 will move again to weld the workpiece on the other side.

[0042] 5. Open the clamping button on the other side, remove the 5 welded workpieces and check the welding quality. Then, put in the unprocessed workpieces again, repeating this process. After 10 welding cycles, apply welding anti-spatter agent to the welding torch nozzle and clean the welding slag from the area where the fixture contacts the workpiece, ensuring the workpiece is placed smoothly in the correct position. This utility model has a multi-station variable-position automatic welding function, which can replace an operator in manually welding workpieces, saving time and labor, and is highly efficient and energy-saving. It also has good safety and avoids the harm to the health of operators caused by harsh working environments. This technical solution can be widely used in various fields.

[0043] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0044] The above-described embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A positional, fully automated, multi-station automotive body-in-white welding system, characterized in that, It includes a main frame (1), an X-axis electric drive assembly (15), a Y-axis electric drive assembly (14), a Z-axis electric drive assembly (16), an electric welding gun assembly, a position-type workstation assembly, and a controller assembly; The main frame (1) is provided with the displacement station component in the middle, the Y-axis electric drive component (14) is provided on the left and right sides of the main frame (1), the X-axis electric drive component (15) is provided between the two Y-axis electric drive components (14), the Z-axis electric drive component (16) is provided on the X-axis electric drive component (15), and the welding gun component is provided on the Z-axis electric drive component (16); the X-axis electric drive component (15), the Y-axis electric drive component (14), the Z-axis electric drive component (16), the welding gun component and the displacement station component are respectively controlled by the controller component.

2. The positional fully automatic multi-station automotive body-in-white welding system as described in claim 1, characterized in that, The position-type workstation assembly includes a positioner servo motor (21), a harmonic reducer (22), a synchronous belt (23), a synchronous shaft (24), a clamping cylinder one (26), a clamping pressure arm one (27), a clamping cylinder two (28), and a clamping pressure arm two (29); Several workstation frames are arranged between the main frame (1). The workstation frames are equipped with the positioner servo motor (21), the harmonic reducer (22) and the synchronous shaft (24). The two adjacent synchronous shafts (24) are equipped with synchronous pulleys and synchronous belts (23). The first clamping cylinder (26) is arranged on the rear side of the workstation frame. The first clamping cylinder (26) is equipped with the first clamping arm (27). The second clamping cylinder (28) is arranged on the front side of the workstation frame. The second clamping cylinder (28) is equipped with the second clamping arm (29). The first clamping cylinder (26) and the second clamping cylinder (28) are supplied with air by the cylinder (35).

3. The positional fully automatic multi-station automotive body-in-white welding system as described in claim 2, characterized in that, It also includes positioning pins (30); a plurality of the positioning pins (30) are disposed on the workstation frame.

4. The positional fully automatic multi-station automotive body-in-white welding system as described in claim 1, characterized in that, The X-axis electric drive assembly (15), the Y-axis electric drive assembly (14), and the Z-axis electric drive assembly (16) respectively include a servo motor, a ball screw, and a slider; the slider moves on the ball screw via the servo motor.

5. The displacement-type fully automatic multi-station automotive body-in-white welding system as described in claim 1, characterized in that, The welding gun assembly includes a horizontal rotary reducer (17), a swing gun motor (18), a swing gun reducer (19), and a welding gun (20); the Z-axis electric drive assembly (16) is respectively equipped with the horizontal rotary reducer (17), the swing gun motor (18), the swing gun reducer (19), and the welding gun (20).

6. The positional fully automatic multi-station automotive body-in-white welding system as described in claim 1, characterized in that, It also includes an intermediate light-shielding plate (5); a notch is provided on the intermediate light-shielding plate (5); the Z-axis electric drive assembly (16) and the welding gun assembly move at the notch.

7. The positional fully automatic multi-station automotive body-in-white welding system as described in claim 6, characterized in that, It also includes a movable light-shielding plate assembly; the movable light-shielding plate assembly includes a lifting cylinder (12) and a light-shielding glass (11); the front left and right ends of the main frame (1) are provided with side U-shaped grooves (13), and the light-shielding glass (11) on the left and right sides moves up and down in the side U-shaped grooves (13) respectively through the lifting cylinder (12).

8. The positional fully automatic multi-station automotive body-in-white welding system as described in claim 5, characterized in that, It also includes a wire feeding assembly; the wire feeding assembly is provided on the rear side of the main frame (1), and the wire feeding assembly includes a wire feeder (31), a wire feeding disc (33) and a wire feeding tube (32).

9. The positional fully automatic multi-station automotive body-in-white welding system as described in claim 1, characterized in that, The main frame (1) is provided with a top cover (3) and a smoke exhaust pipe (2) is provided on the top cover (3). The left and right sides and the rear side of the main frame (1) are provided with baffles (4). The bottom of the left and right sides of the main frame (1) are respectively provided with boxes.

10. The positional fully automatic multi-station automotive body-in-white welding system as described in claim 1, characterized in that, The controller assembly includes a control cabinet (6), a control panel (7), and control buttons (8); the control cabinet (6), the control panel (7), and the control buttons (8) are respectively provided on one side of the main frame (1).

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