Compact multi-stent pipeline automatic welding fixture

Abstract

This utility model discloses a compact multi-support automatic pipeline welding fixture, belonging to the field of welding fixture technology. Specifically, it is a compact multi-support automatic pipeline welding fixture, including a pipeline, a base plate, a drive component, two positioning arc plates, and two fixing components. This utility model, through the coordinated arrangement of components such as a worm gear, worm, turntable, clamping plate, and brake assembly, enables this compact multi-support automatic pipeline welding fixture to quickly clamp and release the pipeline. In actual operation, simply pulling the connecting rod causes the turntable to rotate rapidly under the action of a torsion spring, and the clamping plate quickly slides downward to clamp the pipeline. After welding is completed, pulling the connecting shaft disengages the locking block from the ratchet, and the turntable quickly rotates back to its initial position, ending the clamping of the pipeline. The entire process is simple and quick, greatly improving the efficiency of pipeline welding and effectively solving the problems of cumbersome adjustment and inconvenient pipeline removal in existing pipeline welding fixtures.

Description

Technical Field

[0001] This utility model relates to the field of welding fixture technology, specifically a compact multi-support pipeline automatic welding fixture. Background Technology

[0002] In the field of welding, pipe welding is a common task. To ensure welding quality and efficiency, the use of welding fixtures is crucial. Existing technologies, such as the auxiliary welding fixture for reducing pipes disclosed in patent CN215546196U, while able to clamp the reducing pipe to a certain extent and align the centers of its two ends on the same horizontal line for easier welding, still have some shortcomings. This existing fixture mainly uses components such as grooves, sliders, adjusting mechanisms, and clamping mechanisms to clamp and adjust the position of the pipe; however, this structure has certain limitations in practical operation.

[0003] First, the adjustment process is cumbersome, requiring adjustment of the clamping mechanisms at both ends separately. During adjustment, the alignment of the pipe openings needs constant monitoring, making operation inconvenient and time-consuming, thus failing to meet the demands of efficient welding production. Second, the fixture has a relatively complex structure with numerous parts, resulting in a large size and space occupation, making it unsuitable for use in space-constrained environments and hindering the overall layout and operation of welding equipment. Based on the problems existing in the prior art, this utility model proposes a compact multi-support automatic pipeline welding fixture, aiming to solve the problems of cumbersome adjustment, complex structure, large size, and inconvenient pipe removal in existing pipeline welding fixtures, thereby improving the efficiency and convenience of pipeline welding. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this utility model provides a compact multi-support pipeline automatic welding fixture, which solves the problems mentioned in the background art.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, this utility model provides the following technical solution: a compact multi-support automatic pipe welding fixture, comprising a pipe, a base plate, a driving component, two positioning arc plates, and two fixing components. The pipe passes through the two fixing components and is placed on the positioning arc plates. Each fixing component includes a side plate, a worm gear, a turntable, and a clamping assembly. The lower end of the side plate is fixedly connected to the base plate. One side wall of the worm gear is rotatably connected to one side wall of the side plate, and the other side wall of the worm gear is rotatably connected to the turntable. The rotation of the worm gear and the turntable... A torsion spring is installed at the connection point; the worm gear has multiple first sliding grooves, each of which is perpendicular to the central axis of the worm gear; the clamping assembly includes multiple clamping plates and sliders, each of the clamping plates is arranged in a circular array, the clamping plates are slidably embedded in the first sliding grooves, and one end of the clamping plate is fixedly connected to the slider; the upper wall of the turntable has multiple second sliding grooves arranged in a circular array, the second sliding grooves are inclined, the end of the slider away from the clamping plate is inserted into the second sliding groove, and the slider is slidably connected to the turntable through the second sliding groove.

[0008] Optionally, the two positioning arc plates are fixedly mounted on the base plate, and the two fixing components are also mounted on the base plate, with the two fixing components located on both sides of the positioning arc plates; the driving component is respectively connected to the two fixing components for transmission.

[0009] Optionally, the fixing component further includes a worm, a connecting rod, and a brake assembly. The worm is rotatably mounted on one side wall of the side plate and meshes with a worm wheel. One end of the worm is coaxially and fixedly connected to a rotating shaft. The connecting rod is fixedly connected to the outer edge of the turntable.

[0010] Optionally, the brake assembly includes a fixed block, a connecting shaft, a spring, and a locking block. The fixed block is fixedly connected to one side wall of the worm gear, the connecting shaft passes through the fixed block and the two are slidably connected, and one end of the connecting shaft is fixedly connected to the locking block. The spring is sleeved on the outer side wall of the connecting shaft, one end of the spring abuts against the fixed block, and the other end of the spring abuts against the locking block.

[0011] Optionally, the outer side wall edge of the turntable is fixedly connected with multiple ratchet teeth, and the locking block engages with two adjacent ratchet teeth.

[0012] Optionally, a pulley is fitted on the outer wall of the rotating shaft and the two are fixedly connected; the rotating shafts in the two fixed components are connected by belt drive.

[0013] Optionally, a handle is fixedly connected to the end of the rotating shaft away from the worm gear.

[0014] (III) Beneficial Effects

[0015] This utility model provides a compact automatic welding fixture for multi-support pipelines, which has the following advantages:

[0016] 1. This utility model, through the coordinated arrangement of components such as a worm gear, worm shaft, turntable, clamping plate, and brake assembly, enables a compact multi-support automatic pipeline welding fixture to quickly clamp and release pipelines. In actual operation, simply pulling the connecting rod causes the turntable to rotate rapidly under the action of the torsion spring, and the clamping plate slides downwards to clamp the pipeline. After welding is completed, pulling the connecting shaft disengages the locking block from the ratchet, and the turntable quickly rotates back to its initial position, ending the clamping of the pipeline. The entire process is simple and quick, greatly improving the efficiency of pipeline welding and effectively solving the problems of cumbersome adjustment and inconvenient pipeline removal in existing pipeline welding fixtures.

[0017] 2. This utility model optimizes the structural design of the fixture, cleverly integrating multiple functional components together, making the entire fixture more compact, significantly reducing its size and space occupation, making it convenient for use in space-constrained situations. It also facilitates the overall layout and operation of welding equipment, effectively solving the problems of complex structure and large size of welding fixtures in the prior art, and improving the practicality and adaptability of welding fixtures. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0019] Figure 1 This is a three-dimensional structural diagram of a compact multi-support automatic pipeline welding fixture according to the present invention;

[0020] Figure 2 This is a front view of the turntable in a compact multi-support automatic pipeline welding fixture according to this utility model.

[0021] Figure 3 for Figure 2 Enlarged structural diagram at point A in the middle;

[0022] Figure 4 This is a three-dimensional structural diagram of the worm gear in a compact multi-support automatic pipeline welding fixture of this utility model.

[0023] In the diagram: 1. Base plate; 2. Side plate; 3. Handle; 4. Shaft; 5. Belt; 6. Worm gear; 7. Worm wheel; 8. Turntable; 9. Connecting rod; 10. Second slide groove; 11. Slider; 12. Ratchet; 13. Locking block; 14. Connecting shaft; 15. Spring; 16. Fixing block; 17. Clamping plate; 18. Pipeline; 19. Positioning arc plate. Detailed Implementation

[0024] The technical solution of this utility model will now be clearly and completely described in conjunction with the accompanying drawings. In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying anything.

[0025] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments.

[0026] Please see Figures 1 to 4 The present invention provides a technical solution: a compact multi-support automatic welding fixture for pipelines, including a pipeline 18, a base plate 1, a driving component, two positioning arc plates 19, and two fixing components. The pipeline 18 passes through the two fixing components respectively, and the pipeline 18 is placed on the positioning arc plates 19.

[0027] The fixing components include a side plate 2, a worm gear 7, a turntable 8, and a clamping assembly. The lower end of the side plate 2 is fixedly connected to the base plate 1. One side wall of the worm gear 7 is rotatably connected to one side wall of the side plate 2, and the other side wall of the worm gear 7 is rotatably connected to the turntable 8. A torsion spring is installed at the rotatable connection between the worm gear 7 and the turntable 8.

[0028] This connection method lays the foundation for the automatic clamping and releasing function of the entire fixture, allowing operators to quickly clamp and release the pipe 18 through simple manual rotation, greatly improving the convenience and efficiency of operation. The rotatable connection between the worm gear 7 and the side plate 2 allows the worm gear 7 to rotate freely with the support of the side plate 2.

[0029] The worm gear 7 has multiple first sliding grooves, each perpendicular to the central axis of the worm gear 7. This design allows the clamping plate 17 to slide radially within the first sliding grooves, thereby achieving the clamping and releasing action of the pipe 18. The clamping assembly includes multiple clamping plates 17 and sliders 11. The clamping plates 17 are arranged in a circular array and are slidably embedded in the first sliding grooves. One end of the clamping plate 17 is fixedly connected to the slider 11. The upper wall of the turntable 8 has multiple second sliding grooves 10 arranged in a circular array. The second sliding grooves 10 are inclined. The end of the slider 11 away from the clamping plate 17 is inserted into the second sliding groove 10, and the slider 11 is slidably connected to the turntable 8 through the second sliding groove 10.

[0030] The sliding direction of the clamping plate 17 is perpendicular to the central axis of the worm gear 7, ensuring that the clamping plate 17 can apply pressure evenly when clamping the pipe 18, ensuring that the pipe 18 is firmly clamped between the clamping plates 17, and also making the clamping action more stable and reliable. The annular array arrangement of the clamping plates 17 allows multiple clamping plates 17 to clamp the pipe 18 evenly from different directions, ensuring that the pipe 18 is subjected to uniform force during clamping, and avoiding deformation or damage to the pipe 18 due to excessive local force. The rotation of the turntable 8 can drive the clamping plate 17 to slide along the first slide groove through the slider 11, thereby realizing the automated control of clamping and releasing actions. The inclined design of the second slide groove 10 is one of the key innovations of this utility model. When the turntable 8 rotates, the slider 11 slides in the second slide groove 10. Due to the inclination angle of the second slide groove 10, the slider 11 will move along the radial direction of the worm gear 7, thereby driving the clamping plate 17 to move towards the center or the outside of the worm gear 7, realizing the clamping and releasing of the pipe 18. The design of the inclined second slide 10 makes the clamping action closely linked to the rotation of the turntable 8. The clamping and releasing can be achieved quickly through a simple rotation operation, which greatly improves the convenience and efficiency of operation, and also makes the structure of the entire fixture more compact and simple.

[0031] Specifically, two positioning arc plates 19 are fixedly mounted on the base plate 1, and two fixing components are also mounted on the base plate 1, with the two fixing components located on both sides of the positioning arc plates 19. The driving component is connected to the two fixing components respectively.

[0032] The base plate 1 serves as the foundation of the entire fixture, providing a platform for the installation and support of other components. The positioning arc plate 19 provides a stable support platform for the pipe 18, ensuring the positional accuracy and stability of the pipe 18 during the welding process. Meanwhile, the two fixing components are located on either side of the positioning arc plate 19. This symmetrical layout not only makes the entire fixture structure more balanced and stable but also facilitates synchronous operation of the two pipes 18 by the operator, improving the symmetry and consistency of the welding process.

[0033] More specifically, the fixing components also include a worm gear 6, a connecting rod 9, and a brake assembly. The worm gear 6 is rotatably mounted on one side wall of the side plate 2, and the worm gear 6 meshes with the worm wheel 7. One end of the worm gear 6 is coaxially and fixedly connected to a rotating shaft 4. The connecting rod 9 is fixedly connected to the outer edge of the turntable 8.

[0034] In this system, the rotation of the worm 6 drives the worm wheel 7 to rotate through meshing, and the rotation of the worm wheel 7 further drives the rotation of the turntable 8, which is rotatably connected to it. The rotatable connection between the worm wheel 7 and the side plate 2, as well as the rotatable connection between the turntable 8 and the rotation of the worm wheel 7, allows the worm wheel 7 to rotate freely with the support of the side plate 2, while also tightly linking the rotation of the turntable 8 with the rotation of the worm wheel 7. This transmission relationship not only realizes the transmission of power, but also ensures, through the self-locking characteristics of the worm wheel and worm, that the worm wheel 7 will not rotate on its own due to external force when the worm 6 stops rotating, thus ensuring the stability of the clamping state.

[0035] More specifically, the brake assembly includes a fixing block 16, a connecting shaft 14, a spring 15, and a locking block 13. The fixing block 16 is fixedly connected to one side wall of the worm gear 7. The connecting shaft 14 passes through the fixing block 16 and the two are slidably connected. One end of the connecting shaft 14 is fixedly connected to the locking block 13. The spring 15 is sleeved on the outer side wall of the connecting shaft 14. One end of the spring 15 abuts against the fixing block 16, and the other end of the spring 15 abuts against the locking block 13. Multiple ratchet teeth 12 are fixedly connected to the outer edge of the turntable 8, and the locking block 13 engages with two adjacent ratchet teeth 12.

[0036] The braking assembly serves to fix the position of the turntable 8 during welding, preventing it from rotating due to external forces, thus ensuring the stability and precision of the welding process. When the turntable 8 rotates to the appropriate position, the spring 15 pushes the locking block 13, engaging it with the ratchet 12 on the turntable 8, thereby fixing the position of the turntable 8. This design not only ensures stability during welding but also makes the adjustment of the turntable 8's position more flexible and convenient. When the turntable 8 stops rotating, the spring 15 uses its own elastic force to push the locking block 13 into engagement with the ratchet 12, thus fixing the position of the turntable 8. When the position of the turntable 8 needs to be adjusted, the operator can pull the connecting shaft 14, disengaging the locking block 13 from the ratchet 12, allowing the turntable 8 to rotate freely under external force.

[0037] More specifically, a pulley is fitted onto the outer wall of the rotating shaft 4, and the two are fixedly connected. The rotating shaft 4 of the two fixed components is connected by a belt 5. A handle 3 is fixedly connected to the end of the rotating shaft 4 away from the worm gear 6.

[0038] This connection method allows the operator to rotate the handle 3 to drive the rotating shaft 4, thereby controlling the entire fixture. The rotating shaft 4 is driven by the belt 5 to rotate the other end synchronously. This transmission method ensures that the worm gears 6 in the two fixed components can rotate simultaneously, achieving synchronous clamping and releasing of the two pipes 18, improving the symmetry and consistency of the welding process. This transmission connection method ensures that the two fixed components can move simultaneously, achieving synchronous clamping and releasing of the two pipes 18, further improving welding efficiency and quality. The handle 3, as the part directly in contact with the operator, is fixedly connected to the rotating shaft 4, allowing the operator to control the entire fixture by rotating the handle 3. This design not only improves the convenience of operation but also makes the operation of the entire fixture more intuitive and simple.

[0039] During use, remove debris and dust from the surfaces of components such as the base plate 1, positioning arc plate 19, and clamping plate 17 to ensure the device surface is clean and tidy, and avoid contaminating or scratching the pipeline 18 during welding. Check whether there are foreign objects obstructing the sliding parts such as the slide and slider; if so, clean them in time to ensure that the moving parts can slide flexibly.

[0040] Insert the ends of the two pipes 18 to be welded into the holes between the worm gear 7 and the turntable 8 of the two fixed components, respectively. During insertion, pay attention to the alignment of the pipes 18 to ensure that the welded parts of the two pipes 18 can make accurate contact.

[0041] The pipe 18 is placed on the positioning arc plate 19, which provides a stable support platform for the pipe 18, ensuring its positional accuracy and stability during the welding process. At this time, the ends of the pipe 18 to be welded should be accurately aligned to prepare for subsequent welding work.

[0042] The operator pulls the connecting rods 9 at both ends. Since the worm 6 is engaged with the worm wheel 7, the worm wheel 7 will not rotate when the worm 6 is not rotating. At this time, pulling the connecting rods 9 will cause the turntable 8 to rotate.

[0043] The rotation of turntable 8 will cause slider 11 in the second slide groove 10 to slide within the second slide groove 10. Since the second slide groove 10 is inclined, slider 11 will push clamp 17 downward during rotation.

[0044] Driven by the slider 11, the clamping plate 17 moves along the first groove on the worm wheel 7 toward the center of the worm wheel 7, thereby causing the three clamping plates 17 to move toward the pipe 18 and quickly clamp the pipe 18.

[0045] As turntable 8 rotates, the ratchet 12 on turntable 8 also rotates. The inclined surface of ratchet 12 pushes the locking block 13, causing the locking block 13 to slide away from the end of ratchet 12.

[0046] The locking block 13 drives the connecting shaft 14 to slide and compress the spring 15. When the pipe 18 is clamped, the rotation stops. At this time, the locking block 13 is pushed back between the ratchet teeth 12 by the spring 15, thereby limiting the relative rotation between the turntable 8 and the worm gear 7 and ensuring that the pipe 18 remains stable during the welding process.

[0047] Turning handle 3 causes shaft 4 to rotate, which in turn drives worm gears 6 at both ends to rotate via belt 5. Since worm gears 6 mesh with worm wheels 7, worm wheels 7 rotate accordingly, which in turn drives turntable 8 to rotate.

[0048] The rotation of turntable 8 allows clamping plate 17 to rotate around pipe 18, facilitating welding of the entire weld area of ​​pipe 18. The rotation of worm gear 6 allows the operator to adjust the welding position of pipe 18 at any time, ensuring the uniformity and quality of the weld.

[0049] During the welding process, the operator uses welding equipment to perform welding operations on the welding section of pipe 18 according to the welding process requirements. Because the clamping plate 17 firmly holds pipe 18 in the fixture, pipe 18 remains stable during the welding process and will not shake due to external forces, thus ensuring the welding quality.

[0050] Operators can adjust the welding position of pipe 18 at any time by turning handle 3 as needed, ensuring that the welding operation can be carried out smoothly and improving welding efficiency and quality.

[0051] After welding is completed, the operator pulls the connecting shaft 14, causing the locking block 13 to disengage from the ratchet 12. At this time, the turntable 8 rotates rapidly back to its initial position under the action of the torsion spring, thereby causing the multiple clamping plates 17 to release their grip on the pipeline 18.

[0052] Once the clamp 17 loosens the pipe 18, the operator can remove the pipe 18 from one end to complete the entire welding process.

[0053] It should be noted that, for those skilled in the art, it is obvious that this utility model is not limited to the details of the above exemplary embodiments, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this utility model. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of this utility model is defined by the appended claims rather than the foregoing description. Therefore, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this utility model, and no reference numerals in the claims should be construed as limiting the scope of the claims.

[0054] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A compact multi-stent tube automatic welding jig comprising a tube (18), characterized in that: It includes a base plate (1), a driving component, two positioning arc plates (19), and two fixing components. The pipe (18) passes through the two fixing components respectively, and the pipe (18) is placed on the positioning arc plate (19). The fixing component includes a side plate (2), a worm gear (7), a turntable (8), and a clamping assembly. The lower end of the side plate (2) is fixedly connected to the base plate (1). One side wall of the worm gear (7) is rotatably connected to one side wall of the side plate (2), and the other side wall of the worm gear (7) is rotatably connected to the turntable (8). A torsion spring is installed at the rotatable connection between the worm gear (7) and the turntable (8). The worm gear (7) has multiple first sliding grooves, and each first sliding groove is perpendicular to the central axis of the worm gear (7); the clamping assembly includes multiple clamping plates (17) and sliders (11), each clamping plate (17) is arranged in a ring array, the clamping plates (17) are embedded and slidably installed in the first sliding grooves, and one end of the clamping plate (17) is fixedly connected to the slider (11); the upper wall of the turntable (8) has multiple second sliding grooves (10) arranged in a ring array, the second sliding grooves (10) are inclined, the end of the slider (11) away from the clamping plate (17) is inserted into the second sliding groove (10), and the slider (11) is slidably connected to the turntable (8) through the second sliding groove (10).

2. The compact multi-standpipe automatic pipe welding fixture of claim 1, wherein: The two positioning arc plates (19) are fixedly installed on the base plate (1), and the two fixing components are also installed on the base plate (1), with the two fixing components located on both sides of the positioning arc plates (19); the driving component is connected to the two fixing components respectively.

3. A compact multi-rack pipe automatic welding fixture according to claim 2, characterized in that: The fixing component also includes a worm (6), a connecting rod (9), and a brake assembly. The worm (6) is rotatably mounted on one side wall of the side plate (2), and the worm (6) meshes with the worm wheel (7). One end of the worm (6) is coaxially fixedly connected to a rotating shaft (4). The connecting rod (9) is fixedly connected to the outer side wall edge of the turntable (8).

4. The compact multi-rack line automatic welding fixture according to claim 3, characterized in that: The brake assembly includes a fixing block (16), a connecting shaft (14), a spring (15), and a locking block (13). The fixing block (16) is fixedly connected to one side wall of the worm gear (7). The connecting shaft (14) passes through the fixing block (16) and the two are slidably connected. One end of the connecting shaft (14) is fixedly connected to the locking block (13). The spring (15) is sleeved on the outer side wall of the connecting shaft (14). One end of the spring (15) abuts against the fixing block (16), and the other end of the spring (15) abuts against the locking block (13).

5. A compact multi-rack pipe automatic welding fixture according to claim 4, characterized in that: The outer side wall edge of the turntable (8) is fixedly connected with a plurality of ratchet teeth (12), and the locking block (13) engages with two adjacent ratchet teeth (12).

6. A compact multi-rack pipe automatic welding fixture according to claim 4, characterized in that: A pulley is fitted on the outer wall of the rotating shaft (4) and the two are fixedly connected; the rotating shaft (4) in the two fixed components is connected by a belt (5).

7. A compact multi-rack pipe automatic welding fixture according to claim 6, characterized in that: A handle (3) is fixedly connected to the end of the rotating shaft (4) away from the worm (6).

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