An automated welding station

Abstract

The utility model discloses an automatic welding workstation relates to welding equipment technical field, it includes base, is provided with frame and welding torch assembly on the base, Y direction sliding seat transmission is connected with Y direction driving device, Y direction sliding seat is provided with Z direction sliding rail, and Z direction sliding rail slidingly connected with Z direction sliding seat, and Z direction sliding seat transmission is connected with Z direction driving device, and welding torch assembly fixedly connected in Z direction sliding seat, be provided with the baffle on the base, and the both sides of baffle are first station and second station respectively, first station and second station all are provided with material shifting unit, material shifting unit includes fixedly connected with the X direction guide rail of base, and X direction sliding seat slidingly connected in X direction guide rail, and X direction sliding seat transmission is connected with X direction driving motor, and is provided with workpiece clamping device on X direction sliding seat. By this, the utility model discloses through setting up automatic movement's welding torch assembly, and first station and second station can be moved alternately, reduce the labor intensity, and improve the welding efficiency.

Description

Technical Field

[0001] This utility model relates to the field of welding equipment technology, specifically to an automated welding workstation. Background Technology

[0002] Tractors are a mature, existing technology with extremely wide applications in agricultural operations. In tractors, side plates are mounted on the outer surface of the engine to protect it and various auxiliary components. To facilitate better engine cooling, tractor side plates are relatively thin. Multiple mounting brackets for connecting to the engine are welded onto the side plates. Welding these brackets or locking pins onto thin plates requires high precision; improper operation can easily result in welding through the thin plate. Therefore, mechanical equipment is generally used to assist in the process.

[0003] Traditional welding typically involves at least two steps: first, placing multiple fixing brackets or locking pins in specific positions, measuring manually, clamping and securing them, and finally welding them in place. However, the process of placing the tractor side panel in the correct position, installing the brackets or locking pins, and then precisely securing it with clamps takes time, and the welding process itself also requires time. This significant time gap results in low production efficiency. Utility Model Content

[0004] To overcome the above-mentioned defects, the purpose of this utility model is to provide an automated welding workstation, which reduces labor intensity and improves welding efficiency by setting up an automatically moving welding torch assembly and a first and second workstation that can move alternately.

[0005] To achieve the above objectives, this utility model provides an automated welding workstation, comprising: a base, on which a frame and a welding torch assembly are mounted; the frame is provided with a Y-axis guide rail and a Y-axis slide block slidably connected to the Y-axis guide rail, the Y-axis slide block being driven by a Y-axis drive device; the Y-axis slide block is provided with a Z-axis slide rail, the Z-axis slide rail being slidably connected to a Z-axis slide block, the Z-axis slide block being driven by a Z-axis drive device, and the welding torch assembly being fixedly connected to the Z-axis slide block; characterized in that...

[0006] The base is provided with a partition, and the partition is connected to a partition lifting device; the two sides of the partition are respectively a first work station and a second work station; both the first work station and the second work station are provided with a material transfer unit;

[0007] The material transfer unit includes an X-axis guide rail fixedly connected to the base, an X-axis slide block slidably connected to the X-axis guide rail, an X-axis drive motor drivingly connected to the X-axis slide block, and a workpiece clamping device provided on the X-axis slide block.

[0008] Preferably, the partition lifting device includes a lifting cylinder and a guide rod. The cylinder body of the lifting cylinder is fixedly connected to the base, the piston rod of the lifting cylinder is fixedly connected to the partition, a slide is provided on the guide rod, and the partition is fixedly connected to the slide.

[0009] Preferably, the rear end of the welding torch assembly is also connected to an anti-winding device.

[0010] Preferably, the anti-winding device includes a rotating hollow fixed plate and a wire feeding hose. The rotating hollow fixed plate is connected to a rotating drive device, and the wire feeding hose passes through the central through hole of the rotating hollow fixed plate and is connected to the welding torch assembly.

[0011] Preferably, the rotary drive device includes a servo motor, and a connecting seat is provided between the servo motor and the rotary hollow fixed disk. The servo motor is located on the upper part of the connecting seat, and the servo motor and the rotary hollow fixed disk are connected through a transmission mechanism. The rotary hollow fixed disk is rotatably engaged with the lower part of the connecting seat.

[0012] The transmission mechanism is a gear transmission mechanism, which includes a first transmission gear and a second transmission gear that mesh with each other. The first transmission gear is located in the middle of the rotating hollow fixed disk and is fixedly connected to the rotating hollow fixed disk. The output shaft of the servo motor is connected to the second transmission gear.

[0013] Preferably, an angle adjustment mechanism is provided between the rotating hollow fixed plate and the welding torch assembly. The angle adjustment mechanism includes a connecting plate, a straightening seat, and a welding torch bracket. The connecting plate is fixed to the bottom of the rotating hollow fixed plate, and the straightening seat is fixedly connected to the connecting plate by threaded fasteners.

[0014] The lower end of the correction seat is fixed with a correction plate, and the correction plate is provided with a plurality of correction plate adjustment holes. The upper end of the welding torch holder is provided with an adjustment plate adapted to the correction plate, and the adjustment plate is provided with a plurality of adjustment plate adjustment holes. A limit pin is inserted in at least one of the correction plate adjustment holes and the adjustment plate adjustment holes.

[0015] Preferably, the workpiece clamping device includes a support platform and several clamping units. The support platform is provided with multiple support seats, which are used to support the clamping units, the machine cover side plate, and the fixed bracket.

[0016] Preferably, the clamping unit includes a clamping cylinder and a pressure arm. The pressure arm includes a machine cover side plate pressure arm and a fixed bracket pressure arm. The fixed bracket pressure arm is fixedly disposed on one side of the machine cover side plate pressure arm. The machine cover side plate pressure arm is connected to the support base through a connecting shaft, and one end of the machine cover side plate pressure arm is hinged to the clamping cylinder.

[0017] The beneficial technical effects achieved by this utility model after adopting the above technical solution are as follows:

[0018] 1. Because there is a partition on the base, the two sides of the partition are divided into the first station and the second station. The two stations can be installed alternately. Only one operator is needed to fix the locking pin to be welded. The partition between the two stations will not damage the operator's eyesight due to the bright welding points. The operator only needs to repeat simple steps to ensure product quality. The division of labor is clear. The welding gun assemblies of the two stations are consistent, so it is easier to ensure the product qualification rate.

[0019] 2. Due to the inclusion of a Y-axis slide that moves along the Y-axis guide rail and a Z-axis slide that slides along the Z-axis guide rail, the welding torch assembly can move within almost the entire coordinate system. Within the welding torch assembly, the wire feeding hose passes through the center of the rotating hollow fixed plate and connects to the welding torch assembly. The wire feeding hose is coaxial with the rotation axis of the rotating hollow fixed plate, thus solving the problem of extreme torsion caused by interference between the rotation of the articulated arm or other mechanical structures and the wire feeding hose when the robot is installed with an external welding torch assembly. Even with the welding torch assembly reciprocating, welding can continue uninterrupted, ensuring weld quality while improving welding efficiency. Attached Figure Description

[0020] Figure 1 This is a schematic diagram showing the overall usage state of this utility model;

[0021] Figure 2 This utility model Figure 1 The left view;

[0022] Figure 3 This utility model Figure 1 The front view;

[0023] Figure 4 Reference diagram for the use of the support platform-level clamping unit in this utility model;

[0024] Figure 5 A reference diagram showing the positions of the welding torch assembly and the angle adjustment mechanism in this utility model;

[0025] Figure 6 In this utility model Figure 5 Cross-sectional view at point AA;

[0026] In the diagram,

[0027] 1. Base; 11. Frame; 12. Y-axis guide rail; 121. Y-axis slide block; 122. Y-axis drive device; 13. Z-axis slide rail; 131. Z-axis slide block; 132. Z-axis drive device; 14. Partition plate; 141. Lifting cylinder; 142. Guide rod;

[0028] 2. Welding torch assembly; 21. Wire feeding hose;

[0029] 3. Rotating hollow fixed plate; 32. Central through hole; 33. First transmission gear; 34. Second transmission gear;

[0030] 4. Angle adjustment mechanism; 41. Connecting plate; 42. Correction seat; 421. Correction disc; 422. Correction disc adjustment hole; 43. Welding torch holder; 44. Positioning shaft; 45. Limit pin;

[0031] 5. Connector; 51. Servo motor;

[0032] 6. Material transfer unit; 61. X-axis guide rail; 62. X-axis drive motor; 63. X-axis slide;

[0033] 7. Support platform; 71. Support base;

[0034] 8. Fixture unit; 81. Clamping cylinder; 82. Side plate pressure arm of machine cover; 83. Fixed bracket pressure arm; 84. Connecting shaft;

[0035] 9. Fixed bracket; 10. Side panel of machine cover; 101. Locking pin. Detailed Implementation

[0036] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely for explaining the present utility model and are not intended to limit the present utility model.

[0037] See Figures 1-6 This utility model provides an automated welding workstation, including a base 1, on which a frame 11 and a welding torch assembly are mounted. The base 1 provides support, and the frame 11 raises the welding torch assembly. According to a predetermined program, a Y-axis drive device 122 and a Z-axis drive device 132 can drive the welding torch assembly to a designated position. In this utility model, both the Y-axis drive device 122 and the Z-axis drive device 132 are motors. The transmission method between the Z-axis slide 131 and the Y-axis slide 121 and the motor is a ball screw and screw nut. The ball screw and screw nut transmission method has wide applications in mechanical connections, especially suitable for the linear movement of slider-type workpieces.

[0038] The frame 11 is provided with a Y-axis guide rail 12 and a Y-axis slide block 121 slidably connected to the Y-axis guide rail 12. The Y-axis slide block 121 is driven by a Y-axis drive device 122. The Y-axis slide block 121 is provided with a Z-axis slide rail 13. The Z-axis slide rail 13 is slidably connected to a Z-axis slide block 131. The Z-axis slide block 131 is driven by a Z-axis drive device 132, and the welding torch assembly is fixedly connected to the Z-axis slide block 131. A partition 14 is provided on the base 1, and a partition lifting device is connected to the partition 14. The two sides of the partition 14 are the first station and the second station, respectively. Both the first station and the second station are provided with a material transfer unit 6. The first station and the second station are independent of each other and are essentially the same. For ease of description, when one station is welding, the other station can place and fix the machine cover side plate 10 and the locking pin 101 and other workpieces.

[0039] The material transfer unit 6 includes an X-axis guide rail 61 fixedly connected to the base 1, an X-axis slide 63 slidably connected to the X-axis guide rail 61, an X-axis drive device connected to the X-axis slide 63, the X-axis drive device is generally preferably an X-axis drive motor 62, and a workpiece clamping device is provided on the X-axis slide 63.

[0040] The partition lifting device of this utility model includes a lifting cylinder 141 and a guide rod 142. The cylinder body of the lifting cylinder 141 is fixedly connected to the base 1, and the piston rod of the lifting cylinder 141 is fixedly connected to the partition 14. A slide is provided on the guide rod 142, and the partition 14 is fixedly connected to the slide. The lifting cylinder 141 serves as a power source; when its piston rod moves up and down, it can drive the partition 14 to reciprocate up and down along the guide rod 142. The main function of the partition 14 is to block strong light and ensure operational safety.

[0041] The rotating hollow fixed disk 3 of this invention is connected to a rotating drive device. The wire feeding hose 21 passes through the central through hole 32 of the rotating hollow fixed disk 3 and is connected to the welding torch assembly 2. The rotating hollow fixed disk 3 is generally circular. After opening the central through hole 32 in the middle, the wire feeding hose 21 passes through the central through hole 32 of the rotating hollow fixed disk 3 and is then connected to the welding torch assembly 2. In this way, when the rotating hollow fixed disk 3 rotates and drives the welding torch assembly 2 to an angle, since the rotation axis of the central through hole 32 is basically coaxial with the axis of the wire feeding hose 21, no matter how the welding torch assembly 2 rotates in the horizontal direction, it will not interfere with the wire feeding hose 21, thereby ensuring continuous wire feeding and realizing continuous welding.

[0042] The transmission mechanism is a gear transmission mechanism, which includes a meshing first transmission gear 33 and a second transmission gear 34. The first transmission gear 33 is located on the outer periphery of the central through hole 32 and is fixedly connected to the rotating hollow fixed disk 3. The output shaft of the servo motor 51 is connected to the second transmission gear 34. The transmission mechanism generally uses a gear transmission mechanism, connecting the servo motor 51 to the second transmission gear 34. The first transmission gear 33 is fixedly connected to the rotating hollow fixed disk 3. When the second transmission gear 34 meshes with the first transmission gear 33, the rotating hollow fixed disk 3 rotates around the central locking shaft. This part is a mature existing technology.

[0043] The connecting plate 41 is connected to the rotating hollow fixed plate 3 via a thread, and the straightening seat 42 is then fixed to the connecting plate 41 with a nut. To ensure the height of the welding torch in the welding torch assembly 2, the height of the welding torch assembly 2 needs to be adjusted when different products need to be welded. Along the central positioning shaft 44, multiple straightening plate adjustment holes 422 are evenly distributed on the straightening plate 421 and the welding torch bracket 43. The welding torch bracket 43 corresponds to the straightening plate adjustment holes 422 and is limited by the inserted limiting pin 45. An angle adjustment mechanism 4 is provided between the rotating hollow fixed plate 3 and the welding torch assembly 2. The angle adjustment mechanism 4 is used to adjust the angle of the welding torch assembly 2. The above-mentioned angle adjustment method of the welding torch assembly 2 is described in more detail in the patent with patent number: CN202422082181.9_, patent name: Rapid adjustment device for anti-winding of robot welding torch.

[0044] The workpiece clamping device of this utility model includes a support platform 7 and several clamping units 8. The support platform 7 is provided with multiple support seats 71, which are used to support the clamping units 8, the machine cover side plate 10, and the fixed bracket 9. The clamping unit 8 of this utility model includes a clamping cylinder 81 and a pressure arm. The pressure arm includes a machine cover side plate pressure arm 82 and a fixed bracket pressure arm 83. The fixed bracket pressure arm 83 is fixedly disposed on one side of the machine cover side plate pressure arm 82. The machine cover side plate pressure arm 82 is connected to the support seat 71 through a connecting shaft 84, and one end of the machine cover side plate pressure arm 82 is hinged to the clamping cylinder 81. The support platform 7 is provided with multiple support seats 71, which are used to support the clamping unit 8, the machine cover side plate 10 and the fixed bracket 9. The clamping unit 8 includes a clamping cylinder 81 and a pressure arm. The pressure arm includes a machine cover side plate pressure arm 82 and a fixed bracket pressure arm 83. The fixed bracket pressure arm 83 is fixedly set on one side of the machine cover side plate pressure arm 82. The machine cover side plate pressure arm 82 is connected to the support seat 71 through a connecting shaft 84. One end of the machine cover side plate pressure arm 82 is hinged to the clamping cylinder 81. The support seat 71 is also provided with a positioning mechanism for limiting the machine cover side plate 10 and the fixed bracket 9.

[0045] In actual use, since the side panel 10 of the machine cover is generally thin, the clamping unit 8 will also be equipped with several adjusting blocks (not shown in the figure). After the edge of the side panel 10 of the machine cover is limited, the clamping cylinder 81 provides power, and the side panel pressure arm 82 of the machine cover serves as the main pressure arm, rotating around the connecting shaft 84 to fix the side panel 10 of the machine cover through the side panel pressure arm 82, and fix the fixing bracket 9 through the fixing bracket pressure arm 83.

[0046] The side panel 10 of the hood is relatively large and is fixed by the side panel pressure arm 82. The fixing bracket 9 is fixed by the fixing bracket pressure arm 83. The side panel 10 of the hood is provided with a locking pin 101, and the support base 71 is provided with a positioning groove for supporting the locking pin 101.

[0047] The tractor's hood side panel 10 is equipped with a locking pin 101 to support rotation. The locking pin 101 is also welded and fixed to the hood side panel 10. During positioning, the locking pin 101 is generally placed in the positioning groove and fixed by the fixing bracket pressure arm 83. The above positioning method and the working process of the clamping unit 8 are described in more detail in the patent application number: CN202422082178.7, entitled: A clamping device for welding hood side panels.

[0048] Of course, there may be other embodiments of this utility model. Without departing from the spirit and essence of this utility model, those skilled in the art can make various corresponding changes and modifications based on this utility model, but these corresponding changes and modifications should all fall within the protection scope of the appended claims of this utility model.

Claims

1. An automated welding workstation, comprising: A base, on which a frame and a welding torch assembly are mounted; the frame is provided with a Y-axis guide rail and a Y-axis slide block slidably connected to the Y-axis guide rail, the Y-axis slide block being driven by a Y-axis drive device; the Y-axis slide block is provided with a Z-axis slide rail, the Z-axis slide rail being slidably connected to a Z-axis slide block, the Z-axis slide block being driven by a Z-axis drive device, and the welding torch assembly being fixedly connected to the Z-axis slide block; characterized in that... The base is provided with a partition, and the partition is connected to a partition lifting device; the two sides of the partition are respectively a first work station and a second work station; both the first work station and the second work station are provided with a material transfer unit; The material transfer unit includes an X-axis guide rail and an X-axis slide fixedly connected to the base. The X-axis slide is slidably connected to the X-axis guide rail. The X-axis slide is driven by an X-axis drive device, and a workpiece clamping device is provided on the X-axis slide.

2. The automated welding workstation according to claim 1, characterized in that, The partition lifting device includes a lifting cylinder and a guide rod. The cylinder body of the lifting cylinder is fixedly connected to the base, the piston rod of the lifting cylinder is fixedly connected to the partition, and a slide is provided on the guide rod. The partition is fixedly connected to the slide.

3. The automated welding workstation according to claim 1, characterized in that, The rear end of the welding torch assembly is also connected to an anti-winding device.

4. The automated welding workstation according to claim 3, characterized in that, The anti-winding device includes a rotating hollow fixed plate and a wire feeding hose. The rotating hollow fixed plate is connected to a rotating drive device, and the wire feeding hose passes through the central through hole of the rotating hollow fixed plate and is connected to the welding gun assembly.

5. The automated welding workstation according to claim 4, characterized in that, The rotary drive device includes a servo motor, and a connecting seat is provided between the servo motor and the rotary hollow fixed disk. The servo motor is located on the upper part of the connecting seat, and the servo motor and the rotary hollow fixed disk are connected through a transmission mechanism. The rotary hollow fixed disk is rotatably engaged with the lower part of the connecting seat. The transmission mechanism is a gear transmission mechanism, which includes a first transmission gear and a second transmission gear that mesh with each other. The first transmission gear is located in the middle of the rotating hollow fixed disk and is fixedly connected to the rotating hollow fixed disk. The output shaft of the servo motor is connected to the second transmission gear.

6. The automated welding workstation according to claim 5, characterized in that, An angle adjustment mechanism is provided between the rotating hollow fixed plate and the welding torch assembly. The angle adjustment mechanism includes a connecting plate, a straightening seat, and a welding torch bracket. The connecting plate is fixed to the bottom of the rotating hollow fixed plate, and the straightening seat is fixedly connected to the connecting plate by threaded fasteners. The lower end of the correction seat is fixed with a correction plate, and the correction plate is provided with a plurality of correction plate adjustment holes. The upper end of the welding torch holder is provided with an adjustment plate adapted to the correction plate, and the adjustment plate is provided with a plurality of adjustment plate adjustment holes. A limit pin is inserted in at least one of the correction plate adjustment holes and the adjustment plate adjustment holes.

7. The automated welding workstation according to claim 1, characterized in that, The workpiece clamping device includes a support platform and several clamping units. The support platform is provided with multiple support seats, which are used to support the clamping units, the machine cover side plate, and the fixed bracket.

8. The automated welding workstation according to claim 7, characterized in that, The clamping unit includes a clamping cylinder and a pressure arm. The pressure arm includes a machine cover side plate pressure arm and a fixed bracket pressure arm. The fixed bracket pressure arm is fixedly disposed on one side of the machine cover side plate pressure arm. The machine cover side plate pressure arm is connected to the support base through a connecting shaft, and one end of the machine cover side plate pressure arm is hinged to the clamping cylinder.

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