Round fuel tank spin welding equipment

Abstract

The invention relates to rotary welding equipment for a circular fuel tank, which is used for carrying out rotary welding on a barrel body and two side end covers of a circular fuel tank workpiece, and specifically comprises two end cover positioning and rotating mechanisms which are symmetrically arranged along the axial direction of the workpiece and are used for fixing the two side end covers of the workpiece and driving the end covers to rotate; and the barrel body rotating mechanism is arranged at the bottom of the workpiece and used for driving a barrel body of the workpiece to rotate, rotating servo systems on the two sides drive a main shaft to rotate, the main shaft drives a rotating plate to rotate, and then an end cover positioning mechanism installed on the rotating plate drives the end cover side of the workpiece to rotate. The rotating mechanism located below the workpiece barrel body is driven by a servo motor to drive a driving wheel and a driven wheel located on the two sides below the workpiece barrel body to rotate through a speed regulator and a coupler, and then the barrel body is driven to rotate synchronously. Compared with the prior art, rotary welding can be conducted on the circular mailbox through the welding machine, the welding seam quality is improved, and it is guaranteed that the welding seam quality is consistent, stable and reliable.

Description

Technical Field

[0001] The present invention relates to the technical field of welding, in particular to a circular fuel tank rotary welding device. Background Art

[0002] A fuel tank is a container for fuel. It specifically refers to a device used to store fuel oil on machines driven by diesel or gasoline engines. It especially refers to auxiliary tanks or disposable tanks that can be used to increase range or carry fuel. A fuel tank is a special container for storing hydraulic oil or hydraulic fluid in a hydraulic system. In addition to storing oil, the fuel tank also plays a role in dissipating heat, separating bubbles in the oil, and precipitating impurities in the hydraulic system. There are two types of fuel tanks: open tanks and closed tanks. Open tanks have a simple structure and are easy to install and maintain, while closed tanks are generally used for pressure tanks and have higher requirements for welding quality. In particular, circular closed tanks are more difficult to weld. Therefore, it is necessary to propose a circular fuel tank welding device to achieve automatic welding of circular closed tanks. Summary of the Invention

[0003] The purpose of the present invention is to overcome the defects of the above-mentioned prior art and provide a circular fuel tank welding device.

[0004] The purpose of the present invention can be achieved by the following technical solutions:

[0005] A circular fuel tank rotary welding device is used to rotary weld the barrel and end covers of a circular fuel tank workpiece, specifically comprising:

[0006] Two end cover positioning and rotating mechanisms are symmetrically arranged along the axis of the workpiece, used to fix the end covers on both sides of the workpiece and drive the end covers to rotate;

[0007] The barrel body rotating mechanism arranged at the bottom of the workpiece is used to drive the barrel body of the workpiece to rotate.

[0008] As an optimal technical solution, the end cap positioning and rotating mechanism includes a servo system and a main shaft connected to the servo system. A rotating plate is provided at one end of the main shaft close to the workpiece, and an end cap positioning structure is provided on the rotating plate.

[0009] As an optimal technical solution, the end cover positioning structure includes a transverse positioning cylinder arranged along the axial direction of the main shaft, and the output end of the transverse positioning cylinder is fixed with a vertical positioning cylinder arranged along the radial direction of the main shaft; the output end of the vertical positioning cylinder is embedded with an end cover positioning block that matches the workpiece end cover for installing and fixing the end cover.

[0010] As a preferred technical solution, a heat insulation plate is provided on the side of the vertical positioning cylinder close to the workpiece.

[0011] As a preferred technical solution, a handwheel is provided at one end of the spindle away from the workpiece.

[0012] As an optimal technical solution, the barrel body rotation mechanism includes a main frame, in which a driving wheel shaft and a driven wheel shaft are arranged parallel to the axial direction of the workpiece, a plurality of driving wheels are arranged on the driving wheel shaft, and a plurality of driven wheels are arranged on the driven wheel shaft.

[0013] As a preferred technical solution, the driving wheel has a textured surface.

[0014] As a preferred technical solution, the driven wheel has a smooth surface.

[0015] As an optimal technical solution, one side of the driving wheel shaft is connected to the output end of the servo motor through a coupling, and is rotatably mounted on the main frame through a main fixed block; the other side of the driving wheel shaft is rotatably connected to the main frame through a bearing, and a speed regulator for controlling the servo motor is also installed on the main frame.

[0016] As a preferred technical solution, the main frame is provided with adjustable guide rails on both sides along the radial direction of the workpiece, and auxiliary fixing blocks are movably provided in the adjustable guide rails, and the driven wheel shaft is fixed to the main frame through the auxiliary fixing blocks.

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

[0018] The equipment proposed in the present invention can realize rotary welding of circular oil tanks through a welding machine, improve the quality of the welds, and ensure that the consistency of the weld quality is stable and reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a front view of the circular fuel tank rotary welding equipment of the present invention;

[0020] Figure 2 This is a front view of the barrel rotating mechanism of the present invention;

[0021] Figure 3 This is a top view of the barrel rotating mechanism of the present invention;

[0022] The numbers in the figure are as follows: 1. Spindle, 2. Servo system, 3. Rotating plate, 4. Horizontal positioning cylinder, 5. End cover positioning block, 6. Vertical positioning cylinder, 7. Handwheel, 8. Heat insulation board, 9. Workpiece, 10. Barrel body rotating mechanism, 11. Servo motor, 12. Coupling, 13. Main fixed block, 14. Speed ​​regulator, 15. Driven wheel shaft, 16. Driving wheel shaft, 17. Driving wheel, 18. Driven wheel, 19. Bearing, 20. Adjustable guide rail, 21. Auxiliary fixed block, 22. Main frame. DETAILED DESCRIPTION

[0023] The present invention is described in detail below with reference to the accompanying drawings and specific embodiments. This embodiment is implemented based on the technical solution of the present invention, and provides a detailed implementation method and specific operation process, but the protection scope of the present invention is not limited to the following embodiments.

[0024] Example 1

[0025] The present invention proposes a circular fuel tank rotary welding device, which can realize the automatic rotary welding process of the circular fuel tank. Figure 1 As shown, the end cover positioning and rotating mechanisms are symmetrically arranged on both sides of the device, and the barrel body rotating mechanism 10 is arranged at the bottom.

[0026] The end cap positioning and rotation mechanism includes a servo system 2, a spindle 1 connected to the servo system 2, and a rotating plate 3 mounted on the end of the spindle 2 near the workpiece 9. The end cap positioning structure includes a transverse positioning cylinder 4 arranged axially along the spindle 2. A vertical positioning cylinder 6 arranged radially along the spindle 2 is fixed to the output end of the transverse positioning cylinder 4. The output end of the vertical positioning cylinder 6 is embedded with an end cap positioning block 5 that matches the end cap of the workpiece 9 and is used to secure the end cap.

[0027] like Figure 2 、 3 As shown, the barrel body rotation mechanism 10 includes a main frame 22, in which a driving wheel shaft 16 and a driven wheel shaft 15 are arranged parallel to the axial direction of the workpiece 9. The driving wheel shaft 16 is provided with a plurality of driving wheels 17 with a textured surface, and the driven wheel shaft 15 is provided with a plurality of driven wheels 18 with a smooth surface.

[0028] One side of the driving wheel shaft 16 is connected to the output of the servo motor 11 via a coupling 12 and is rotatably mounted on the main frame 22 via a main fixing block 13. The other side of the driving wheel shaft 16 is rotatably connected to the main frame 22 via a bearing 19. The main frame 22 is provided with adjustable guide rails 20 on both radial sides of the workpiece 9. Secondary fixing blocks 21 are movably mounted within these adjustable guide rails 20. The driven wheel shaft 15 is secured to the main frame 22 via these secondary fixing blocks 21. The main frame 22 also houses the speed regulator 14 for controlling the servo motor 11.

[0029] Handwheels 7 are located on the outsides of the left and right spindles 2 for manual adjustment of the position of the rotating plate 3. During welding, temperatures can reach over 600°C, and the workpiece 9 and other equipment components are susceptible to deformation due to heat. This is particularly true for the vertical positioning cylinders 6 on the left and right sides of the end cap. These deformations hinder sliding and feeding, so heat shields 8 are added to the sides of the two vertical positioning cylinders 6 near the welding gun.

[0030] The specific working principle and process of automatic rotary welding using the equipment of the present invention are as follows:

[0031] The barrel body of the workpiece 9 to be welded is placed on the rotating mechanism 10. By adjusting the auxiliary fixing block 21 in the adjustable guide rail 20, the distance between the driven wheel shaft 15 and the driving wheel shaft 16 is controlled, thereby supporting and adjusting the position of the barrel body. The end caps of the workpiece 9 to be welded are installed on the end cap positioning blocks 5 on both sides of the barrel body. By adjusting the horizontal positioning cylinder 4 and the vertical positioning cylinder 6, the position of the end caps is adjusted so that they are aligned with the barrel body.

[0032] After completing the initial fixation of the workpiece 9, the welding gun is positioned above the workpiece 9 and welding begins. During the welding process, the welding gun remains stationary, and the rotation servo systems 2 on both sides drive the spindle 1 to rotate. The spindle 1 then drives the rotating plate 3 to rotate, and the end cap positioning mechanism mounted on the rotating plate 3 then drives the end cap side of the workpiece 9 to rotate. The rotating mechanism 10 located below the barrel of the workpiece 9 is driven by a servo motor 11, which drives the driving wheel 17 and driven wheel 18 located on both sides of the barrel of the workpiece 9 through the speed regulator 14 and coupling 12, thereby driving the barrel to rotate synchronously. Through the above process, this equipment can achieve rotational welding of circular workpieces 9.

[0033] The above describes in detail the preferred embodiments of the present invention. It should be understood that those skilled in the art can make numerous modifications and variations based on the concepts of the present invention without inventive effort. Therefore, any technical solutions that can be derived by those skilled in the art through logical analysis, reasoning, or limited experimentation based on the concepts of the present invention and the prior art should be within the scope of protection defined by the claims.

Claims

1. A circular fuel tank rotary welding device, characterized in that: The equipment is used to perform rotation welding on the barrel body and the end covers on both sides of a circular fuel tank workpiece (9), and specifically comprises: Two end cover positioning and rotating mechanisms are symmetrically arranged along the axis of the workpiece (9), and are used to fix the end covers on both sides of the workpiece (9) and drive the end covers to rotate; The barrel body rotating mechanism (10) is arranged at the bottom of the workpiece (9) and is used to drive the barrel body of the workpiece (9) to rotate.

2. A circular fuel tank rotary welding device according to claim 1, characterized in that: The end cover positioning and rotating mechanism comprises a servo system (2) and a main shaft (1) drivingly connected to the servo system (2); a rotating plate (3) is arranged at one end of the main shaft (2) close to the workpiece (9); and an end cover positioning structure is arranged on the rotating plate (3).

3. The circular fuel tank rotary welding equipment according to claim 2, characterized in that: The end cover positioning structure comprises a transverse positioning cylinder (4) arranged axially along the main shaft (2); a vertical positioning cylinder (6) arranged radially along the main shaft (2) is fixed to the output end of the transverse positioning cylinder (4); and an end cover positioning block (5) matching the end cover of the workpiece (9) and used for installing and fixing the end cover is embedded in the output end of the vertical positioning cylinder (6).

4. The circular fuel tank rotary welding equipment according to claim 3, characterized in that: A heat insulation plate (8) is arranged on one side of the vertical positioning cylinder (6) close to the workpiece (9).

5. The circular fuel tank rotary welding equipment according to claim 2, characterized in that: A hand wheel (7) is arranged at one end of the main shaft (2) away from the workpiece (9).

6. The circular fuel tank rotary welding equipment according to claim 1, characterized in that: The barrel body rotating mechanism (10) comprises a main frame (22), wherein a driving wheel shaft (16) and a driven wheel shaft (15) are arranged in parallel along the axial direction of the workpiece (9) in the main frame (22), a plurality of driving wheels (17) are arranged on the driving wheel shaft (16), and a plurality of driven wheels (18) are arranged on the driven wheel shaft (15).

7. The circular fuel tank rotary welding equipment according to claim 6, characterized in that: The driving wheel (17) has a reticulated surface.

8. The circular fuel tank rotary welding equipment according to claim 6, characterized in that: The driven wheel (18) has a smooth surface.

9. The circular fuel tank rotary welding equipment according to claim 6, characterized in that: One side of the driving wheel shaft (16) is connected to the output end of the servo motor (11) through a coupling (12), and is rotatably mounted on a main frame (22) through a main fixing block (13); the other side of the driving wheel shaft (16) is rotatably connected to the main frame (22) through a bearing (19), and a speed regulator (14) for controlling the servo motor (11) is also mounted on the main frame (22).

10. The circular fuel tank rotary welding equipment according to claim 6, characterized in that: The main frame (22) is provided with adjustable guide rails (20) on both sides along the radial direction of the workpiece (9), a secondary fixing block (21) is movably provided inside the adjustable guide rail (20), and the driven wheel shaft (15) is fixed to the main frame (22) through the secondary fixing block (21).

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