CN211539902U

CN211539902U - Induction welding device for dissimilar metal pipes

Info

Publication number: CN211539902U
Application number: CN201922288952.9U
Authority: CN
Inventors: 韩毅; 李东宇
Original assignee: Yanshan University
Current assignee: Yanshan University
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-09-22
Anticipated expiration: 2029-12-19

Abstract

The utility model provides a be used for xenogenesis metal tubular product induction welding device, mainly includes supporting platform, servo motor, three-jaw chuck, takes rolling element V type piece, welding box, induction heating coil. The supporting platform is provided with a slide rail, the two ends of the platform are sequentially provided with a servo motor, a three-rotation chuck and a V-shaped block with a rolling body, and the middle of the platform is provided with a welding box. The welding box is provided with a perspective window, two parallel induction heating coils penetrate through a gap between two top plates of the welding box, the diameters of the circular ring parts sleeved on the pipe are different, the two induction heating coils are both positioned in the welding box, the axes of the circle centers of the two circular rings and the axes of three-jaw chucks at two ends of a supporting platform are collinear, two cylindrical rolling bodies are arranged in a groove of a V-shaped block through a rotating shaft, the V-shaped block is connected with a supporting flat plate, the V-shaped block with the rolling bodies is in contact with the pipe to be welded and supports the pipe to be welded, during induction heating, a servo motor drives the pipe to rotate through the three-jaw chucks, and a press machine applies thrust to the. The device has the advantages of high heating speed and uniform heating of the pipe end.

Description

Induction welding device for dissimilar metal pipes

Technical Field

The utility model discloses the device relates to a welding set, especially one kind is used for xenogenesis metal tubular product response to weld the device.

Background

The continuous progress of science and technology puts higher requirements on the performances of various engineering mechanical components, such as hardness, wear resistance, low-temperature toughness, high-temperature durability and the like. In many cases, a single metal material cannot meet the engineering use requirements, a welding method is used for manufacturing dissimilar metal components, people pay attention to the welding method, the welding of dissimilar metals can not only make full use of the excellent performance of each component material, but also greatly reduce the overall production cost, and therefore, the welding method has wide application in the industries of petrochemical industry, transportation and the like. When dissimilar metals are welded in a traditional argon arc welding mode or after being welded, after heat treatment or high-temperature operation, the phenomenon that carbon on one side of a low alloy migrates into a high alloy welding seam through a welding seam boundary is often found, and the phenomenon of carbon migration causes the mechanical property of the welding seam at a high temperature to be reduced, the failure and fracture are increased, and the high-temperature service life is influenced, so that the traditional welding mode cannot meet the requirements of the working environment of modern industry. Therefore, the research on a novel induction welding device for dissimilar metal pipes is of great significance.

Disclosure of Invention

Not enough more than, the utility model discloses the device provides one kind and is used for the response of xenogenesis metal tubular product to weld the device.

The utility model discloses the technical scheme that the device adopted is: the welding device mainly comprises a supporting platform, a servo motor, a three-jaw chuck, a V-shaped block with a rolling body, a welding box and an induction heating coil, wherein a slide rail is arranged in the supporting platform along the length direction, the welding box is placed on the slide rail in the middle of the supporting platform and is a hollow box body, a protective plate in front of the welding box is transparent, the whole welding process can be observed through the protective plate, left and right side plates which are vertically connected with the protective plate are provided with round through holes with the diameter larger than that of a pipe to be welded, the axes of the two round through holes and the axes of the two three-jaw chucks are positioned on a straight line, each round through hole is provided with a sleeve positioned between the pipe to be welded and the side plate, the top surface of the welding box is provided with two top plates which are symmetrically distributed and have a certain gap in the middle, the two top plates are respectively provided with an air inlet and an air outlet of protective gas to reduce the oxidation, the diameters of circular rings sleeved on a pipe are different, the circular rings are positioned in a welding box, the axes of the centers of the two circular rings and the axes of three-jaw chucks at the two ends of a supporting platform are positioned in a straight line, induction heating coils respectively heat the pipe to be processed of dissimilar metal, a cooling water inlet and a cooling water outlet are respectively arranged on the side, positioned outside the welding box, of each induction heating coil, servo motors are placed on the two sides of the supporting platform, the three-jaw chucks are fixedly connected to the inner end surfaces of the servo motors, the pipe to be welded is clamped and positioned through the three-jaw chucks, the two sides of the welding box are the dissimilar pipe, V-shaped blocks with rolling bodies are installed between the three-jaw chucks and the welding box, the two cylindrical rolling bodies are installed in grooves of the V-shaped blocks through rotating shafts, the V-shaped blocks are connected with a supporting flat plate.

The utility model discloses the advantage and the positive effect that technical scheme that the device provided brought:

1. the induction welding technology is adopted to weld the pipe, the heating speed is higher, and the welding quality of the circumferential weld is improved.

2. When the pipe rotates and heats, the V-shaped block with the rolling body and the pipe are in rolling friction, the friction force is reduced, the abrasion of the surface of the pipe is reduced, and the quality of the surface of the pipe is ensured.

3. The whole induction welding device can rotate, so that the pipe end is heated more uniformly, and the induction heating efficiency is improved.

Drawings

The device of the present invention will be further explained with reference to the drawings and the embodiments.

Fig. 1 is a schematic perspective view of an induction heating coil according to a preferred embodiment of the present invention.

Figure 2 is an isometric view of a preferred embodiment of the present invention.

Figure 3 is an isometric view of a weld box of a preferred embodiment of the present invention.

Fig. 4 is a schematic view of a V-shaped block with rolling elements according to a preferred embodiment of the present invention.

In the figure 1, a water inlet; 2. an electrode connection end; 3. a water outlet; 4. an induction heating coil A; 5. a support platform; 6. a slide rail; 7. a servo motor; 8. a three-jaw chuck; 9. a pipe material A; 10. v-shaped blocks with rolling bodies; 11. a protection plate; 12. a top plate; 13. an air inlet; 14. an induction heating coil B; 15. an air outlet; 16. a front baffle; 17. welding a box; 18. a sleeve; 19. a side plate; 20. a pipe material B; 21. a rotating shaft; 22. and a rolling body.

Detailed Description

In the figures 1, 2, 3 and 4, the induction welding device for the dissimilar metal pipe mainly comprises a supporting platform (5), a servo motor (7), a three-jaw chuck (8), a V-shaped block (10) with a rolling body, a welding box (17) and an induction heating coil, wherein a sliding rail (6) is arranged in the supporting platform (5) along the length direction, the welding box (17) is placed on the sliding rail (6) in the middle of the supporting platform (5), the welding box (17) is a hollow box body, a protection plate (11) in front of the welding box (17) is transparent, the whole welding process can be observed through the protection plate (11), left and right side plates (19) vertically connected with the protection plate are provided with round through holes with the diameter larger than that of the pipe to be welded, the axes of the two round through holes and the axes of the two three-jaw chucks (8) are positioned in a straight line, each round through hole is provided with a sleeve (18) positioned between the pipe to be welded and, the top surface of the welding box (17) is provided with two top plates (12) with a certain gap and symmetrical distribution in the middle, the two top plates (12) are respectively provided with an air inlet (13) and an air outlet (15) of protective gas, the oxidation of metal pipes in the welding process is reduced, two parallel induction heating coils pass through the gap between the two top plates (12) of the welding box (17), the diameters of the circular ring parts sleeved on the pipes are different, the induction heating coils are respectively positioned in the welding box (17), the axes of the circle centers of the two circular rings and the axes of three-jaw chucks (8) at the two ends of the supporting platform (5) are positioned on a straight line, the induction heating coils respectively heat the pipes to be processed of dissimilar metals, each induction heating coil is positioned at the outer side of the welding box (17) and is respectively provided with a cooling water inlet (1), a water outlet (3), servo motors (7) are arranged at the two, the inner end face of the servo motor (7) is fixedly connected with a three-jaw chuck (8), a pipe to be welded is clamped and positioned through the three-jaw chuck (8), two sides of a welding box (17) are made of dissimilar pipes, a V-shaped block (10) with a rolling body is installed between the three-jaw chuck (8) and the welding box (17), two cylindrical rolling bodies (22) are installed in a groove of the V-shaped block through a rotating shaft (21), the V-shaped block is connected with a supporting flat plate, and the V-shaped block (10) with the rolling bodies is in contact with the pipe to be welded and supports the pipe to be welded.

In the specific implementation, cooling water is introduced into the water inlet (1), protective gas is introduced into the air inlet (15), the induction heating power supply is electrified, the induction heating coil A (5) and the induction heating coil B (16) begin to heat the pipe A (12) to be welded and the end part of the pipe B (12) to be welded, the two dissimilar metals are enabled to reach respective welding temperatures when the pipes to be welded are to be welded, the servo motor (8) drives the three-jaw chuck (8) to rotate while heating, the pipe clamped by the three-jaw chuck (8) rotates, the pressure machine is driven to apply thrust to the pipe to be welded, the pipe A (12) is enabled to be in contact with the pipe B (22), and welding is achieved.

Claims

1. The utility model provides a be used for xenogenesis metal tubular product induction welding device mainly includes supporting platform, servo motor, three-jaw chuck, takes rolling element V type piece, welding box, induction heating coil, its characterized in that: the welding device comprises a supporting platform, a sliding rail, a welding box, a protective plate, a left side plate, a right side plate, a sleeve and a top plate, wherein the sliding rail is arranged in the supporting platform along the length direction, the welding box is placed on the sliding rail in the middle of the supporting platform and is a hollow box body, the protective plate in front of the welding box is transparent, the whole welding process can be observed through the protective plate, the left side plate and the right side plate which are vertically connected with the protective plate are provided with round through holes with the diameters larger than that of a pipe to be welded, the axes of the two round through holes and the axes of two three-jaw chucks are positioned on the same straight line, each round through hole is provided with a sleeve positioned; two parallel induction heating coils penetrate through a gap between two top plates of a welding box, the induction coils are sleeved on the outer side of a pipe, the diameters of the parts of circular rings are different, the induction heating coils are positioned in the welding box, the axes of the centers of the two circular rings and the axes of three-jaw chucks at two ends of a supporting platform are positioned in a straight line, the side of each induction heating coil positioned outside the welding box is provided with a cooling water inlet and a cooling water outlet respectively, servo motors are placed on two sides of the supporting platform, the inner end surfaces of the servo motors are fixedly connected with the three-jaw chucks, the pipe to be welded is clamped and positioned through the three-jaw chucks, two sides of the welding box are different pipes, a V-shaped block with a rolling body is installed between the three-jaw chucks and the welding box, two cylindrical rolling bodies are installed in grooves of the V-shaped block through rotating shafts, the V-shaped block is connected.