Anti-deformation device for welding
By designing an anti-deformation device for welding, the problem of stainless steel thin-walled cylinder is easily shrinking and deformation during welding, and the welding accuracy and position accuracy are achieved. The use of ceramic fiber pinch parts is achieved. Prevent the welding temperature from being too high.
Patent Information
- Application Number
- CN202421177488.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-28
- Publication Date
- 2025-02-21
- Estimated Expiration
- 2034-05-28
AI Technical Summary
Stainless steel thin-walled cylinders are prone to shrinkage and deformation during welding, especially during ring joint welding.
An anti-deformation device for welding is designed, including supporting plates, support rods, rotating rings, sliders, threaded sleeves, threaded rods, and pinch parts. Through the cooperation of these components, the ring can be stably pressed against. Seam welding interface to prevent deformation.
It effectively avoids deformation of the annular plate during welding, ensuring welding accuracy and position accuracy. At the same time, since the top tightening parts are made of ceramic fibers, it has flexibility and heat insulation effects, preventing the welding temperature from being too high.
Smart Images
Figure CN222511474U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of welding, in particular to an anti-deformation device used for welding. Background Art
[0002] Stainless steel equipment is mainly used in coal chemical industry, petrochemical industry and other industries. With the large-scale development of coal chemical industry, the increase in product and output demand and the expansion of production, the manufacture of stainless steel equipment has provided a broad market and good development opportunities.
[0003] Common welding materials are mostly stainless steel. Stainless steel has a small thermal conductivity and a large thermal expansion coefficient, and is prone to shrinkage deformation during welding, especially for stainless steel thin-walled cylinders, which are prone to shrinkage deformation during circumferential seam welding. Therefore, the utility model proposes an anti-deformation device for welding to solve the problems existing in the prior art. Utility Model Content
[0004] The utility model aims to solve the shortcomings in the prior art and proposes an anti-deformation device for welding.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an anti-deformation device for welding, comprising a support plate and a support rod, a second slider is fixedly connected to the support plate, the second slider is slidably connected to the second rotating ring, the second rotating ring is fixedly connected to the first rotating ring, the first slider is fixedly connected to the support plate, the first slider is slidably connected in the first rotating ring, a processing area is provided between the first rotating ring and the second rotating ring, a threaded sleeve is fixedly connected to the support rod, a threaded rod is threadedly connected to the threaded sleeve, one end of the threaded rod is fixedly connected to a rotating connecting piece, a flat-topped cone is rotatably connected to the rotating connecting piece, one end of the flat-topped cone is fixedly connected to a limiting disk, the threaded sleeve is rotatably connected to the first connecting ring, the flat-topped cone slides in the first connecting ring, a connecting round rod is fixedly connected to the first connecting ring, one end of the connecting round rod is fixedly connected to the second connecting ring, an annular guide is fixedly connected to the first connecting ring, a push rod slides in the annular guide, and one end of the push rod is fixedly connected to a tightening piece.
[0006] As a further description of the above technical solution:
[0007] A limit block is fixedly connected to the support plate, a worm is rotatably connected to the limit block, a crank is provided on one end of the worm, a worm wheel is meshingly connected to the worm, and the worm wheel is fixedly connected to the second connecting ring.
[0008] As a further description of the above technical solution:
[0009] The support plates are provided in two groups and are symmetrically distributed on both sides of the first rotating ring and the second rotating ring, and the support rods are provided in two groups and are symmetrically distributed on both sides of the threaded sleeve.
[0010] As a further description of the above technical solution:
[0011] The connecting round rods are provided in four groups and are evenly distributed between the first connecting ring and the second connecting ring, the annular guides are provided in four groups and are evenly distributed on the first connecting ring, the push rods are provided in four groups and are all located in the annular guides, and the four groups of push rods are provided with curved surfaces, which make it easier to transmit the pressure applied by the flat-top vertebral body.
[0012] As a further description of the above technical solution:
[0013] The first rotating ring and the second rotating ring are arranged concentrically, the flat-topped cone is located inside the first rotating ring and the second rotating ring, the flat-topped cone fits with the arc surface on the four groups of push rods, the four groups of tightening parts are all located below the processing area, and the width of the four groups of tightening parts is greater than the processing area.
[0014] As a further description of the above technical solution:
[0015] The limit blocks are provided in two groups, and the two groups of limit blocks are symmetrically arranged on two groups of support plates. The threaded rod is located on one side of the second rotating ring, and the worm gear is located on one side of the first rotating ring.
[0016] As a further description of the above technical solution:
[0017] The threaded rod is provided with a handle, and the material of the tightening member is ceramic fiber. The ceramic fiber is flexible and has excellent heat insulation effect.
[0018] The utility model has the following beneficial effects:
[0019] 1. In the utility model, by rotating the handle at one end of the threaded rod, the rotating connecting piece is pushed to move, thereby driving the flat-topped vertebral body to move horizontally, and the four groups of push rods are moved outward respectively under the guidance of the annular guide piece through the conical arc surface on the flat-topped vertebral body, and the interface of the annular seam welding is supported by the first rotating ring and the second rotating ring through the four groups of tightening parts, and the interface is tightly pressed in the processing area. At this time, the operator can weld the interface to ensure the stability of the annular plate during welding, ensure the accurate position of the welded plate during welding, thereby ensuring the welding accuracy, and effectively avoiding the deformation caused by the greater toughness of the annular plate.
[0020] 2. In the utility model, the worm and the worm wheel are rotated by the crank, and the second connecting ring, the connecting round rod and the first connecting ring are rotated. Since the flat-topped cone is tightly pressed against the push rod, the four push rods and the flat-topped cone are driven to rotate together through the four groups of annular guides. The pressing member cooperates with the first rotating ring and the second rotating ring to hold the plate. The plate, the first rotating ring and the second rotating ring are rotated together with the cooperation of the first slider and the second slider through the rotation of the push rod. The rotation of the annular plate makes it convenient for the operator to weld the entire annular interface in the processing area. The pressing member is made of ceramic fiber, which is flexible and has excellent heat insulation effect to prevent the welding temperature from being too high. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 The structure diagram of an anti-deformation device for welding proposed by the utility model is shown in FIG. Figure 1 ;
[0022] Figure 2 The structure diagram of an anti-deformation device for welding proposed by the utility model is shown in FIG. Figure 2 ;
[0023] Figure 3 This is a partial structural schematic diagram of an anti-deformation device for welding proposed by the utility model;
[0024] Figure 4 The utility model provides a local structure explosion of an anti-deformation device for welding Figure 1 ;
[0025] Figure 5 The utility model provides a local structure explosion of an anti-deformation device for welding Figure 2 .
[0026] Legend:
[0027] 1. Support plate; 2. Support rod; 3. First rotating ring; 4. Second sliding block; 5. First sliding block; 6. Second rotating ring; 7. Threaded sleeve; 8. Threaded rod; 9. Rotating connecting piece; 10. Flat-top cone; 11. Limiting disc; 12. First connecting ring; 13. Connecting round rod; 14. Second connecting ring; 15. Annular guide; 16. Push rod; 17. Clamping piece; 18. Worm wheel; 19. Worm; 20. Crank; 21. Limiting block; 22. Processing area. DETAILED DESCRIPTION
[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.
[0029] Reference Figure 1-Figure 5 The utility model provides an embodiment: an anti-deformation device for welding, comprising a support plate 1, a support rod 2, a second slider 4 fixedly connected to the support plate 1, a second rotating ring 6 slidably connected to the second slider 4, a first rotating ring 3 fixedly connected to the second rotating ring 6, a first slider 5 fixedly connected to the support plate 1, the first slider 5 slidably connected in the first rotating ring 3, a processing area 22 is provided between the first rotating ring 3 and the second rotating ring 6, a threaded sleeve 7 fixedly connected to the support rod 2, a threaded rod 8 is threadedly connected to the threaded sleeve 7, one end of the threaded rod 8 A rotating connecting member 9 is fixedly connected, a flat-top cone 10 is rotatably connected to the rotating connecting member 9, one end of the flat-top cone 10 is fixedly connected to a limiting disk 11, a first connecting ring 12 is rotatably connected to the threaded sleeve 7, the flat-top cone 10 slides in the first connecting ring 12, a connecting round rod 13 is fixedly connected to the first connecting ring 12, one end of the connecting round rod 13 is fixedly connected to a second connecting ring 14, an annular guide member 15 is fixedly connected to the first connecting ring 12, a push rod 16 slides in the annular guide member 15, and a tightening member 17 is fixedly connected to one end of the push rod 16.
[0030] A limit block 21 is fixedly connected to the support plate 1, and a worm 19 is rotatably connected to the limit block 21. A crank 20 is provided on one end of the worm 19, and a worm wheel 18 is meshedly connected to the worm 19. The worm wheel 18 is fixedly connected to the second connecting ring 14. The support plate 1 is provided with two groups and is symmetrically distributed on both sides of the first rotating ring 3 and the second rotating ring 6. The support rod 2 is provided with two groups and is symmetrically distributed on both sides of the threaded sleeve 7. The connecting round rod 13 is provided with four groups and is evenly distributed between the first connecting ring 12 and the second connecting ring 14. The annular guide 15 is provided with four groups and is evenly distributed on the first connecting ring 12. The push rod 16 is provided with four groups and is all located in the annular guide 15. The four push rods The rods 16 are each provided with an arc surface, the first rotating ring 3 and the second rotating ring 6 are concentrically arranged, the flat-topped cone 10 is located inside the first rotating ring 3 and the second rotating ring 6, the flat-topped cone 10 is fitted with the arc surfaces on the four groups of push rods 16, the four groups of tightening members 17 are all located below the processing area 22, the width of the four groups of tightening members 17 is greater than the processing area 22, two groups of limit blocks 21 are provided, and the two groups of limit blocks 21 are symmetrically arranged on the two groups of support plates 1, the threaded rod 8 is located on one side of the second rotating ring 6, the worm gear 18 is located on one side of the first rotating ring 3, and a handle is provided on the threaded rod 8. The material of the tightening member 17 is ceramic fiber, which is flexible and has excellent heat insulation effect.
[0031] Working principle: When in use, the operator places the two annular plates that need to be annularly welded under the first rotating ring 3 and the second rotating ring 6 respectively, exposes the interface of the annular weld on the processing area 22, and then rotates the handle at one end of the threaded rod 8 in the threaded sleeve 7 to push the rotating connector 9 for displacement, and drives the flat-topped vertebral body 10 to move horizontally through the rotating connector 9, and moves the four groups of push rods 16 outward respectively under the guidance of the annular guide member 15 through the conical arc surface on the flat-topped vertebral body 10, and supports the interface of the annular weld with the first rotating ring 3 and the second rotating ring 6 through the four groups of tightening members 17, and presses the interface tightly in the processing area 22. At this time, the operator can weld the interface. The tightening member 17 is made of ceramic fiber, which is flexible and has excellent heat insulation effect to prevent the welding temperature from being too high. The operator can rotate the crank 20 to The movable worm 19 rotates, and the worm wheel 18 is driven to rotate through the worm 19, so as to rotate the second connecting ring 14. The rotation of the second connecting ring 14 cooperates with the four groups of connecting round rods 13 to drive the first connecting ring 12 to rotate. Since the flat-topped cone 10 is tightly pressed against the push rod 16, the four groups of push rods 16 are driven to rotate together with the flat-topped cone 10 through the four groups of annular guides 15. Since the clamping member 17 cooperates with the first rotating ring 3 and the second rotating ring 6 to support the plate, the plate, the first rotating ring 3 and the second rotating ring 6 are also rotated together with the cooperation of the first slider 5 and the second slider 4 through the rotation of the push rod 16. Through the rotation of the annular plate, it is convenient for the operator to weld the entire annular interface in the processing area 22, thereby ensuring the stability of the annular plate during welding, ensuring the accurate position of the welded plate during welding, thereby ensuring the welding accuracy, and effectively avoiding the deformation caused by the greater toughness of the annular plate.
[0032] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. An anti-deformation device for welding, comprising a support plate (1) and a support rod (2), characterized in that: The support plate (1) is fixedly connected with a second slider (4), the second slider (4) is slidably connected with a second rotating ring (6), the second rotating ring (6) is fixedly connected with a first rotating ring (3), the support plate (1) is fixedly connected with a first slider (5), the first slider (5) is slidably connected in the first rotating ring (3), a processing area (22) is provided between the first rotating ring (3) and the second rotating ring (6), the support rod (2) is fixedly connected with a threaded sleeve (7), the threaded sleeve (7) is internally threadedly connected with a threaded rod (8), one end of the threaded rod (8) is fixedly connected with a rotating connector (9), the rotating connector (9) is rotatably connected to a flat-topped cone (10), one end of the flat-topped cone (10) is fixedly connected to a limiting disc (11), the threaded sleeve (7) is rotatably connected to a first connecting ring (12), the flat-topped cone (10) slides in the first connecting ring (12), the first connecting ring (12) is fixedly connected to a connecting round rod (13), one end of the connecting round rod (13) is fixedly connected to a second connecting ring (14), the first connecting ring (12) is fixedly connected to an annular guide (15), a push rod (16) slides in the annular guide (15), and one end of the push rod (16) is fixedly connected to a tightening member (17).
2. The anti-deformation device for welding according to claim 1, characterized in that: A limit block (21) is fixedly connected to the support plate (1), a worm (19) is rotatably connected to the limit block (21), a crank (20) is provided on one end of the worm (19), a worm wheel (18) is meshingly connected to the worm (19), and the worm wheel (18) is fixedly connected to the second connecting ring (14).
3. The anti-deformation device for welding according to claim 2, characterized in that: The support plates (1) are provided in two groups and are symmetrically distributed on both sides of the first rotating ring (3) and the second rotating ring (6); the support rods (2) are provided in two groups and are symmetrically distributed on both sides of the threaded sleeve (7).
4. The anti-deformation device for welding according to claim 3, characterized in that: The connecting round rods (13) are provided in four groups and are evenly distributed between the first connecting ring (12) and the second connecting ring (14); the annular guide members (15) are provided in four groups and are evenly distributed on the first connecting ring (12); the push rods (16) are provided in four groups and are all located in the annular guide members (15); and the four groups of push rods (16) are all provided with arc surfaces.
5. The anti-deformation device for welding according to claim 4, characterized in that: The first rotating ring (3) and the second rotating ring (6) are arranged concentrically, the flat-topped cone (10) is located inside the first rotating ring (3) and the second rotating ring (6), the flat-topped cone (10) fits with the arc surface on the four groups of push rods (16), the four groups of tightening members (17) are all located below the processing area (22), and the width of the four groups of tightening members (17) is greater than the processing area (22).
6. The anti-deformation device for welding according to claim 5, characterized in that: The limit blocks (21) are provided in two groups, and the two groups of limit blocks (21) are symmetrically arranged on two groups of support plates (1). The threaded rod (8) is located on one side of the second rotating ring (6), and the worm gear (18) is located on one side of the first rotating ring (3).
7. The anti-deformation device for welding according to claim 6, characterized in that: The threaded rod (8) is provided with a handle, and the material of the tightening member (17) is ceramic fiber.