Automatic welding device for circular tube flange
By designing an automatic welding device for round pipe flanges, and utilizing an electric roller frame and a CNC welding machine in conjunction with positioning pins and adjustment devices, the problem of insufficient flange welding positioning was solved, achieving efficient and stable welding results and quality.
Patent Information
- Application Number
- CN202422929579.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-11-29
AI Technical Summary
The lack of effective positioning devices in existing flange welding technology leads to high labor intensity and affects welding effect and quality.
An automatic welding device for round pipe flanges was designed, including an electric roller frame, a CNC welding machine, a positioning pin, an adjustment device, and an arc plate. Through the cooperation of the positioning pin and the adjustment device, the flange body is accurately positioned, avoiding relative rotation or sliding.
This achieved stable positioning of the flange and the round pipe, improved welding quality and efficiency, reduced manual labor intensity, and ensured welding results.
Smart Images

Figure CN223603698U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to high pole lamp protection device technical field, especially a kind of automatic welding device of circular pipe flange. BACKGROUND
[0002] In machining, flange welding piece is often needed, positioning is often needed to flange and pipe before welding flange connecting piece, to avoid relative rotation or sliding of both in welding process, and then affect welding operation, but effective positioning component is lacked in welding, flange is often positioned by artificial, however such operation not only is labor-intensive, but also can affect welding effect and quality, therefore a kind of automatic welding device of circular pipe flange is particularly proposed in the present application. SUMMARY
[0003] In view of the above situation, to overcome the defects of the prior art, the utility model provides an automatic welding device for circular pipe flange, which solves the problem of technical scheme, comprising a circular pipe body, the circular pipe body is sleeved with a flange body at the end, characterized in that, two electric roller frames are arranged below the circular pipe body along the transverse direction, a numerical control welding machine is arranged at both ends of the circular pipe body respectively, a plurality of connecting holes are uniformly distributed on the flange body, a positioning pin is inserted into the connecting hole, the positioning pin is fixedly connected with a L-shaped connecting rod, an adjusting device is arranged on the connecting rod, the adjusting device is connected with an arc plate, the arc plate is fixedly connected with a rubber pad abutting against the inner wall of the circular pipe body.
[0004] The adjusting device comprises two guide rods fixedly connected with the connecting rod, two support rods are fixedly connected with the guide rods at the upper end, a lead screw is arranged in the middle of the two support rods, the lead screw is rotatably connected with the support rod and the connecting rod at both ends respectively, the middle part of the lead screw is threadedly connected with the middle part of the lifting rod, the lifting rod is integrally arranged with a guide sleeve slidably connected with the guide rod, and the end part of the lifting rod is integrally arranged with a mounting rod fixedly connected with the arc plate.
[0005] Preferably, one end of the lead screw protrudes from the connecting rod and is coaxially fixedly connected with an adjusting disc.
[0006] The utility model has the advantages of:
[0007] 1. The positioning pin is provided in the application, which cooperates with the arc plate connected with the adjusting device to accurately position the flange body, avoid the rotation or sliding of the flange body relative to the circular pipe body, and ensure the welding quality.
[0008] 2. The flange body is sleeved on the outer end of the circular pipe body, then the positioning pin is inserted into the connecting hole on the flange body, then the position of the lifting rod is adjusted through the screw rod of the adjusting device, so that the arc-shaped plate on the lifting rod is matched with the inner wall of the circular pipe body, and then the rubber pad is abutted against the inner wall of the circular pipe body, a plurality of adjusting devices are used to cooperate with the positioning pin to stably position the flange according to actual conditions, and the welding quality is ensured. BRIEF DESCRIPTION OF DRAWINGS
[0009] Figure 1 It is a front view of the utility model.
[0010] Figure 2 It is a first perspective view of the utility model.
[0011] Figure 3 It is an enlarged view of area A in the first perspective view of the utility model.
[0012] Figure 4 It is a second perspective view of the utility model.
[0013] REFERENCE NUMERALS
[0014] 1. Circular pipe body, 2. Flange body, 3. Electric roller frame, 4. Numerical control welding machine, 5. Connecting hole, 6. Positioning pin, 7. Connecting rod, 8. Adjusting device, 9. Arc-shaped plate, 10. Rubber pad, 11. Guide rod, 12. Support rod, 13. Screw rod, 14. Lifting rod, 15. Guide sleeve, 16. Mounting rod, 17. Adjusting disc. DETAILED DESCRIPTION
[0015] The following will be combined with the drawings Figures 1-4 The specific embodiments of the utility model are further described in detail.
[0016] Embodiment one, the technical scheme solved by the embodiment is that the positioning pin 6 connected with the arc-shaped plate 9 of the adjusting device 8 can accurately position the flange body 2, avoids the rotation or sliding of the flange body 2 relative to the circular pipe body 1, and ensures the welding quality. In use, the flange body 2 is sleeved on the outer end of the circular pipe body 1, then the positioning pin 6 is inserted into the connecting hole 5 on the flange body 2, then the position of the lifting rod 14 is adjusted through the screw rod 13 of the adjusting device 8, so that the arc-shaped plate 9 on the lifting rod 14 is matched with the inner wall of the circular pipe body 1, and then the rubber pad 10 is abutted against the inner wall of the circular pipe body 1, a plurality of adjusting devices 8 are used to cooperate with the positioning pin 6 to stably position the flange according to actual conditions, and the welding quality is ensured, the structure of the utility model is simple, convenient to use, and has strong practicality.
[0017] In the use, the circular pipe body 1 of the welding machine is placed on the two electric roller frames 3, and then the flange body 2 is fixed. When the flange body 2 is fixed, the positioning pin 6 is inserted into the connecting hole 5 on the flange body 2, and then the position of the connecting rod 7 is adjusted so that the arc-shaped plate 9 on the adjusting device 8 is matched with the circular pipe body 1, and then the screw rod 13 is turned clockwise. The adjusting disc 17 is arranged for the rotation of the screw rod, and the screw rod 13 is rotated clockwise to drive the lifting rod 14. The lifting rod 14 is limited by the sliding connection of the guide rod 11 and the guide sleeve 15, which moves the lifting rod 14 along the guide rod 11 to the direction close to the support plate, that is, the direction close to the inner wall of the circular pipe body 1. At the same time, the arc-shaped plate 9 fixed with the lifting rod 14 through the mounting rod 16 also moves close to the inner wall of the circular pipe body 1. Continue to rotate the screw rod 13 clockwise, so that the arc-shaped plate 9 and the rubber pad 10 are tightly abutted on the inner wall of the circular pipe body 1, and then the flange body 2 can be positioned. In order to ensure the positioning effect, a plurality of positioning pins 6 can be used to cooperate with the adjusting device 8 to position the circular pipe body 1 in the circumferential direction.
[0018] In the embodiment two, after the positioning and fastening of the flange body 2 are completed by the above-mentioned method, the electric roller frame 3 and the numerical control welding machine 4 are started, and the circular pipe body 1 and the flange body 2 at the end thereof can be rotated synchronously under the action of the electric roller frame 3, so that the numerical control welding machine 4 can be welded. The numerical control welding machine can be selected according to the requirements, and the application will not be described in detail. The two ends of the circular pipe body 1 are respectively arranged with numerical control welding machines, which facilitates the synchronous operation of the flange bodies 2 at the two ends of the circular pipe body 1 and improves the welding efficiency.
Claims
1. A round pipe flange automatic welding device, comprising a round pipe body (1), the end of the round pipe body (1) is sleeved with a flange body (2), characterized in that, The circular pipe body (1) is arranged below two transversely spaced electric roller frames (3), two ends of the circular pipe body (1) are respectively arranged with numerical control welding machines (4), the flange body (2) is uniformly arranged with connecting holes (5), the connecting holes (5) are inserted with positioning pins (6), the positioning pins (6) are fixedly connected with L-shaped connecting rods (7), the connecting rods (7) are arranged with adjusting devices (8), the adjusting devices (8) are connected with arc-shaped plates (9), the arc-shaped plates (9) are fixedly connected with rubber pads (10) abutting against the inner wall of the circular pipe body (1); The adjusting device (8) comprises two guide rods (11) fixedly connected with the connecting rod (7), the two guide rods (11) are fixedly connected with support rods (12) at the upper ends, the two support rods (12) are arranged with lead screws (13) in the middle, the two ends of the lead screw (13) are rotatably connected with the support rod (12) and the connecting rod (7) respectively, the lead screw (13) is threadedly connected with the middle part of the lifting rod (14), the lifting rod (14) is integrally arranged with a guide sleeve (15) slidably connected with the guide rod (11), the end part of the lifting rod (14) is integrally arranged with a mounting rod (16) fixedly connected with the arc-shaped plate (9).
2. The automatic welding device for circular pipe flange according to claim 1, characterized in that, One end of the lead screw (13) extends out of the connecting rod (7) and is coaxially fixedly connected with an adjusting disc (17).