Elbow joint welding device
By designing a welding device for bending pipe joints including workbench, welding gun, fixing sleeve, limit plate, slider, slider and curved rotary plate, the problem of the bending pipe joints being easily loosened and unable to fix different sizes during welding is solved, and the efficiency and stability of welding are achieved.
Patent Information
- Application Number
- CN202420447471.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-08
- Publication Date
- 2025-02-28
- Estimated Expiration
- 2034-03-08
AI Technical Summary
The existing welding and clamping devices for bending pipe joints are prone to loosening during clamping, which affects welding efficiency and cannot effectively fix pipe joints of different sizes, resulting in unstable welding.
A bent pipe joint welding device including a workbench, a welding torch, a fixing sleeve, a limiting plate, a slide chute, a slide block and a curved turn plate is designed. Through the cooperation of the slide groove and slider, the use of curved rotor plates and screws, the positioning and adjustment of bent pipe joints of different diameters and lengths can be ensured to ensure stability during welding.
The device can effectively fix pipe bent joints of different sizes, avoid the bent pipe loose during welding, improve welding efficiency and stability, and enhance the practicality of the device.
Smart Images
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Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of laser welding, in particular to a welding device for an elbow joint. Background Art
[0002] During the water conservancy construction process, due to the different directions of water pipes, elbow joints are needed to meet the connection of water pipes, so as to achieve the purpose of assisting the direction of water bodies. When connecting elbow joints to water pipes, in order to enhance the sealing, welding techniques are often used. Before welding the water pipes, in order to ensure that the water pipes and elbow joints are on parallel horizontal lines, a clamping device is needed to fix the elbow joint.
[0003] The existing elbow joint welding clamping device is prone to loosening the elbow during the clamping process, which affects the welding efficiency. In addition, due to the different sizes of the elbow joints, the existing elbow joint welding clamping device can only fix the elbow joints of fixed sizes when using it, which is not very practical and cannot ensure the stability during welding. In view of the above problems, the inventor proposes a elbow joint welding device to solve the above problems. Utility Model Content
[0004] In order to solve the problem that the existing elbow joint welding clamping device is easy to loosen during the clamping process, affecting the welding efficiency, and the existing elbow joint welding clamping device is not practical and cannot ensure the stability during welding due to the different sizes of the elbow joints. The purpose of the utility model is to provide an elbow joint welding device.
[0005] In order to solve the above technical problems, the utility model adopts the following technical scheme: a bend pipe joint welding device, comprising a workbench and a welding gun, a side surface of the workbench is fixedly provided with a fixing sleeve, the welding gun is movably inserted in the fixing sleeve, a first limit plate is fixedly provided on the upper surface of the workbench, a connecting rod is fixedly provided on the side surface of the first limit plate, and a second limit plate is fixedly provided on the other end of the connecting rod, a slide groove is provided on the side surfaces of the first limit plate and the second limit plate, a slider is slidably provided in the slide groove, a fixing block is fixedly provided on one side of one of the sliders, an arc-shaped rotating plate is rotatably provided between the fixing blocks, the arc-shaped rotating plate is rotatably fitted with the other slider, four slide grooves are provided, and the slide grooves are symmetrically arranged on the sides of the first limit plate and the second limit plate, the cross-sectional shapes of the slide groove and the slider are both "T"-shaped, a first screw is threadedly inserted on the arc-shaped rotating plate, the end of the first screw is threadedly inserted in the inside of the other slider, and a limiting component is connected to the arc-shaped rotating plate;
[0006] The limiting component includes a hollow square block, which is fixedly connected to one side of the arc-shaped rotating plate, and a circular block is fixedly arranged on one side of the arc-shaped rotating plate. A screw rod is rotatably arranged between the circular block and the inner surface of the hollow square block, and a sleeve block is threadedly sleeved on the outer surface of the screw rod. The sleeve block slides and fits with the inner surface of the hollow square block, and the sleeve block movably fits with the arc-shaped rotating plate and the circular block. A connecting plate is fixedly arranged on one side of the sleeve block close to the arc-shaped rotating plate, and the connecting plate movably passes through the arc-shaped rotating plate, and an arc-shaped splint is fixedly arranged on the other end of the connecting plate. A plurality of notches are opened on the outer surface of the dial, and a plurality of notches are distributed in a circular array on the outer surface of the dial. A circular rod is fixedly arranged at one end of the screw rod, and the circular rod passes through the hollow square block. A plurality of notches are opened on the outer surface of the dial, and a plurality of notches are distributed in a circular array on the outer surface of the dial. A dial is fixedly arranged on the other end of the circular rod, and a sponge pad is fixedly arranged on one side of the arc-shaped splint.
[0007] The first limiting plate and the second limiting plate are both provided with adjustment components.
[0008] Preferably, the adjustment component includes a rectangular plate, and the first limit plate and the second limit plate are both provided with rectangular grooves, the cross-sectional shapes of the rectangular groove and the rectangular plate are both "concave", the rectangular groove is connected to the slide groove, the rectangular plate is slidably arranged in the rectangular groove, the rectangular plate is fixedly connected to the slider, and the sides of the first limit plate and the second limit plate are both provided with circular holes, and there are several circular holes, and the circular hole array is distributed on the sides of the first limit plate and the second limit plate, and a second screw is movably inserted in the circular hole, and the end of the second screw is threadedly inserted into the interior of one of the sliders.
[0009] Compared with the prior art, the beneficial effects of the utility model are:
[0010] 1. The utility model can connect one of the elbow joints to the first limit plate, and then the other elbow joint can be connected to the second limit plate. At this time, the welding parts of the two elbow joints fit together, and welding can be performed by a welding gun later, which improves practicality and ensures stability during welding;
[0011] 2. The utility model can first rotate the arc-shaped rotating plate, and then the elbow joint can be placed in the first limiting plate, and then the first screw can be used to limit the position. After the elbow joint is aligned, the dial can be turned to drive the screw rod to rotate through the circular rod, so that the sleeve block sleeved on the outer surface of the screw rod can slide along the inner surface of the hollow square block, so that the connecting plate can be moved to one side of the elbow joint so that the sponge pad on one side of the arc-shaped clamping plate contacts the elbow joint and limits it. The elbow joints of different diameters can be limited.
[0012] 3. The utility model can adjust the position of the arc-shaped rotating plate according to the length of the elbow joint. The end of the second screw rod is disengaged from one of the sliders by rotating it. Then, the position of the arc-shaped rotating plate can be adjusted by moving it. The two sliders can be moved by the rectangular plate. When adjusted to a suitable position, the second screw rod is inserted into another circular hole and then rotated to insert it into the other slider to limit the position. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0014] Figure 1 It is a schematic diagram of the structure of the utility model.
[0015] Figure 2 This is a schematic diagram of the structure of the slideway and the slider of the utility model.
[0016] Figure 3 This is a schematic diagram of the structure of the limit assembly of the utility model.
[0017] Figure 4 For this utility model Figure 3 Enlarged structural diagram at A in the middle.
[0018] Figure 5 It is a schematic diagram of the cross-sectional structure of the first limiting plate of the utility model.
[0019] Figure 6 This is a schematic diagram of the structure of the adjustment component of the utility model.
[0020] In the figure: 1. workbench; 11. fixed sleeve; 12. welding gun; 2. first limit plate; 21. connecting rod; 22. second limit plate; 31. slide groove; 311. slider; 32. fixed block; 33. arc-shaped rotating plate; 35. first screw; 4. limit assembly; 41. hollow square block; 42. round block; 43. screw; 44. sleeve block; 45. connecting plate; 46. round rod; 47. dial; 471. notch; 49. arc-shaped splint; 491. sponge pad; 5. adjustment assembly; 51. rectangular groove; 52. rectangular plate; 53. round hole; 54. second screw. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0022] Embodiment 1: Figure 1-6 As shown, the utility model provides a welding device for an elbow joint, including a workbench 1 and a welding gun 12. A fixing sleeve 11 is fixedly provided on the side of the workbench 1. The welding gun 12 is movably inserted in the fixing sleeve 11, and welding can be performed by the welding gun 12. A first limiting plate 2 is fixedly provided on the upper surface of the workbench 1. A connecting rod 21 is fixedly provided on the side of the first limiting plate 2. A second limiting plate 22 is fixedly provided on the other end of the connecting rod 21. A slide groove 31 is provided on the side of the first limiting plate 2 and the second limiting plate 22. A slider 311 is slidably provided in the slide groove 31. A fixing block 32 is fixedly provided on one side of one of the sliders 311. An arc-shaped rotating plate 33 is rotatably provided between the fixing blocks 32. The arc-shaped rotating plate 33 is rotatably fitted with another slider 311. A first screw rod 35 is threadedly inserted on the arc-shaped rotating plate 33. The end of the first screw rod 35 is threadedly inserted in the inside of the other slider 311. A limiting assembly 4 is connected to the arc-shaped rotating plate 33.
[0023] The limiting assembly 4 includes a hollow square block 41, which is fixedly connected to one side of the arc-shaped rotating plate 33, and a circular block 42 is fixedly provided on one side of the arc-shaped rotating plate 33. A screw rod 43 is rotatably provided between the circular block 42 and the inner surface of the hollow square block 41, and a sleeve block 44 is threadedly sleeved on the outer surface of the screw rod 43. The sleeve block 44 is slidably fitted with the inner surface of the hollow square block 41, and the sleeve block 44 is movably fitted with the arc-shaped rotating plate 33 and the circular block 42. A connecting plate 45 is fixedly provided on one side of the sleeve block 44 close to the arc-shaped rotating plate 33, and the connecting plate 45 movably penetrates the arc-shaped rotating plate 33. An arc-shaped clamping plate 49 is fixedly provided on the other end of the connecting plate 45, and a circular rod is fixedly provided on one end of the screw rod 43 46, the circular rod 46 passes through the hollow square block 41, and the other end of the circular rod 46 is fixed with a dial 47. The arc rotating plate 33 can be rotated first, and then the elbow joint can be placed in the first limiting plate 2, and then the first screw 35 can be used for limiting. After the elbow joint is aligned, the dial 47 can be rotated to drive the screw rod 43 to rotate through the circular rod 46, so that the sleeve block 44 sleeved on the outer surface of the screw rod 43 can slide along the inner surface of the hollow square block 41, so that the connecting plate 45 can be moved to one side of the elbow joint so that the sponge pad 491 on one side of the arc clamping plate 49 contacts the elbow joint, and it is limited. The elbow joints with different diameters can be limited;
[0024] The first limiting plate 2 and the second limiting plate 22 are both provided with an adjustment assembly 5 .
[0025] The outer surface of the dial 47 is provided with a plurality of notches 471 , and the plurality of notches 471 are distributed in a ring array on the outer surface of the dial 47 .
[0026] By adopting the above technical solution, it is convenient to turn the dial 47.
[0027] The cross-sectional shapes of the slide groove 31 and the slider 311 are both “T” shaped.
[0028] By adopting the above technical solution, the slider 311 is prevented from escaping from the slide groove 31 .
[0029] A sponge pad 491 is fixedly provided on one side of the arc-shaped clamping plate 49 .
[0030] By adopting the above technical solution, a certain protective effect is played on the elbow joint.
[0031] There are four slide grooves 31 , and the slide grooves 31 are symmetrically arranged on the sides of the first limiting plate 2 and the second limiting plate 22 .
[0032] By adopting the above technical solution, the stability of the connection is improved.
[0033] Embodiment 2: Figure 1 As shown, the adjustment component 5 includes a rectangular plate 52, a rectangular groove 51 is provided in the first limiting plate 2 and the second limiting plate 22, the rectangular groove 51 is connected to the slide groove 31, the rectangular plate 52 is slidably arranged in the rectangular groove 51, the rectangular plate 52 is fixedly connected to the slider 311, and the side surfaces of the first limiting plate 2 and the second limiting plate 22 are provided with a circular hole 53, the cross-sectional shapes of the rectangular groove 51 and the rectangular plate 52 are both "concave", a plurality of circular holes 53 are provided, and the circular holes 53 are arrayed on the side surfaces of the first limiting plate 2 and the second limiting plate 22, so as to facilitate adjustment according to the length of the elbow joint, and facilitate adjustment after adjustment. To limit the position, a second screw 54 is movably inserted in the circular hole 53, and the end of the second screw 54 is threadedly inserted into one of the sliders 311. The position of the arc-shaped rotating plate 33 can be adjusted according to the length of the elbow joint. The second screw 54 is rotated to disengage its end from one of the sliders 311, and then the position of the arc-shaped rotating plate 33 can be adjusted by moving it. The two sliders 311 can be moved by the rectangular plate 52. When adjusted to a suitable position, the second screw 54 is inserted into the other circular hole 53 and then rotated to insert it into the other slider 311 for limiting the position.
[0034] Working principle: When the utility model is in use, the arc rotating plate 33 can be rotated first, and then the elbow joint can be placed in the first limiting plate 2, and then the first screw rod 35 can be used to limit the position. After the elbow joint is straightened, the dial 47 can be rotated to drive the screw rod 43 to rotate through the circular rod 46, so that the sleeve block 44 sleeved on the outer surface of the screw rod 43 can slide along the inner surface of the hollow square block 41, so that the connecting plate 45 can be moved to one side of the elbow joint so that the sponge pad 491 on one side of the arc clamping plate 49 contacts the elbow joint and limits it. The elbow joints of different diameters can be limited, and the length of the elbow joint can be adjusted according to the length of the elbow joint. The position of the arc-shaped rotating plate 33 can be adjusted by rotating the second screw 54 so that its end is disengaged from one of the sliders 311. The position of the arc-shaped rotating plate 33 can be adjusted laterally, and the two sliders 311 can be moved by the rectangular plate 52. When adjusted to a suitable position, the second screw 54 is inserted into the other circular hole 53 and then rotated to insert it into the other slider 311 for limiting the position. Similarly, the other elbow joint can be connected to the second limiting plate 22. At this time, the welding parts of the two elbow joints are in contact with each other, and can be subsequently welded by the welding gun 12, which improves practicality while ensuring stability during welding.
[0035] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.
Claims
1. A pipe elbow welding device, comprising a workbench (1) and a welding gun (12), characterized in that: A fixing sleeve (11) is fixedly provided on the side of the workbench (1), and the welding gun (12) is movably inserted in the fixing sleeve (11). A first limiting plate (2) is fixedly provided on the upper surface of the workbench (1), and a connecting rod (21) is fixedly provided on the side of the first limiting plate (2), and a second limiting plate (22) is fixedly provided on the other end of the connecting rod (21). The sides of the first limiting plate (2) and the second limiting plate (22) are both provided with sliding grooves (31), and the sliding grooves (31) are provided with a plurality of sliding grooves (31) extending therefrom. A slider (311) is provided, one side of one of the sliders (311) is fixedly provided with a fixed block (32), an arc-shaped rotating plate (33) is rotatably provided between the fixed blocks (32), the arc-shaped rotating plate (33) is rotatably fitted with the other slider (311), a first screw rod (35) is threadedly inserted on the arc-shaped rotating plate (33), the end of the first screw rod (35) is threadedly inserted inside the other slider (311), and a limit position assembly (4) is connected to the arc-shaped rotating plate (33); The limiting assembly (4) comprises a hollow square block (41), the hollow square block (41) is fixedly connected to one side of the arc-shaped rotating plate (33), a circular block (42) is fixedly provided on one side of the arc-shaped rotating plate (33), a screw rod (43) is rotatably provided between the circular block (42) and the inner surface of the hollow square block (41), a sleeve block (44) is threadedly sleeved on the outer surface of the screw rod (43), the sleeve block (44) is slidably fitted with the inner surface of the hollow square block (41), and the sleeve block (44) is rotatably sleeved with the inner surface of the hollow square block (41). The arc-shaped rotating plate (33) and the circular block (42) are movably fitted together; a connecting plate (45) is fixedly provided on one side of the sleeve block (44) close to the arc-shaped rotating plate (33); the connecting plate (45) movably penetrates the arc-shaped rotating plate (33); an arc-shaped clamping plate (49) is fixedly provided on the other end of the connecting plate (45); a circular rod (46) is fixedly provided on one end of the screw rod (43); the circular rod (46) penetrates the hollow square block (41); and a dial (47) is fixedly provided on the other end of the circular rod (46); The first limiting plate (2) and the second limiting plate (22) are both provided with an adjustment component (5).
2. A pipe elbow welding device as claimed in claim 1, characterized in that: The adjustment component (5) comprises a rectangular plate (52), the first limiting plate (2) and the second limiting plate (22) are both provided with a rectangular groove (51), the rectangular groove (51) is connected with the slide groove (31), the rectangular plate (52) is slidably arranged in the rectangular groove (51), the rectangular plate (52) is fixedly connected with the slider (311), the side surfaces of the first limiting plate (2) and the second limiting plate (22) are both provided with a circular hole (53), a second screw rod (54) is movably inserted in the circular hole (53), and the end of the second screw rod (54) is threadedly inserted into the interior of one of the sliders (311).
3. A pipe elbow welding device as claimed in claim 1, characterized in that: The outer surface of the dial (47) is provided with a plurality of notches (471), and the plurality of notches (471) are distributed in a ring array on the outer surface of the dial (47).
4. The elbow joint welding device according to claim 1, characterized in that: The cross-sectional shapes of the slide groove (31) and the sliding block (311) are both "T"-shaped.
5. The elbow joint welding device according to claim 1, characterized in that: A sponge pad (491) is fixedly provided on one side of the arc-shaped clamping plate (49).
6. The elbow joint welding device according to claim 1, characterized in that: There are four slide grooves (31), and the slide grooves (31) are symmetrically arranged on the side surfaces of the first limiting plate (2) and the second limiting plate (22).
7. The elbow joint welding device according to claim 2, characterized in that: The cross-sectional shapes of the rectangular groove (51) and the rectangular plate (52) are both concave.
8. The elbow joint welding device according to claim 2, characterized in that: A plurality of the circular holes (53) are provided, and the circular holes (53) are distributed in an array on the side surfaces of the first limiting plate (2) and the second limiting plate (22).