An adaptive welding fixture for special-shaped pipe fittings
By adopting a multi-dimensional adjustment design for the adaptive welding fixture, the problem that traditional fixtures cannot adapt to the bending shape of irregular pipe fittings is solved, thus achieving stable welding and efficient production of irregular pipe fittings.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 天津市博川建设工程有限公司
- Filing Date
- 2025-06-17
- Publication Date
- 2026-06-02
AI Technical Summary
Traditional welding fixtures are difficult to adapt to the irregular curved shape of irregular pipe fittings, resulting in insufficient clamping and difficulty in maintaining the stability of the pipe fittings during the welding process.
An adaptive welding fixture was designed, including components such as a fixed base, displacement block, torsion block and clamping block. It can achieve multi-dimensional adjustment through sliding, rotation and threaded connection, accurately adapt to the bending angle of irregular pipe fittings, and quickly lock and clamp through the spring buckle structure of locking clamping block and positioning socket.
It improves the versatility and applicability of the fixture, shortens the clamping time, enhances the stability and production efficiency in the welding process, and reduces the difficulty of operation and labor intensity.
Smart Images
Figure CN224309938U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of welding fixture technology, and more specifically, it relates to an adaptive welding fixture for irregularly shaped pipe fittings. Background Technology
[0002] In today's industrial manufacturing field, irregular pipe fittings are widely used. Due to their unique structural design, irregular pipe fittings can meet the needs of complex working conditions and special functions. Traditional welding fixtures can clamp and position irregular pipe fittings, but they lack the ability to adapt to different specifications of pipe fittings and cannot meet diverse production needs. Therefore, a welding fixture is needed to facilitate the stability of irregular pipe fittings during the welding process.
[0003] Based on existing technology, most welding operations use traditional straight clamps to hold the workpiece. However, irregularly shaped pipes are usually irregular curved pipes, which makes it difficult for the straight clamping method to match the bending shape of the pipe. In the actual clamping process, oblique clamping is very likely to occur, resulting in insufficient clamping of the pipe and making it difficult to maintain the stability of the pipe during the welding process. Utility Model Content
[0004] To address the aforementioned technical problems, this utility model relates to an adaptive welding fixture for irregularly shaped pipe fittings. This fixture addresses the issue that irregularly shaped pipe fittings are typically irregular curved pipes, making it difficult for straight clamping methods to match the curved shape of the pipe fittings. In actual clamping processes, oblique clamping is very likely to occur, resulting in insufficient clamping of the pipe fittings and making it difficult to maintain a stable state during the welding process.
[0005] This utility model provides an adaptive welding fixture for irregularly shaped pipe fittings, achieved through the following specific technical means:
[0006] An adaptive welding fixture for irregularly shaped pipe fittings includes: a fixed base frame; a displacement block slidably connected inside the fixed base frame; a mating base block fixedly connected to the top of the fixed base frame and the displacement block respectively; two sets of internal adjustment grooves respectively opened inside the two sets of internal adjustment grooves; locking clamping blocks slidably connected inside the four sets of internal adjustment grooves respectively; a torsion block rotatably connected to the top of the two sets of mating base blocks respectively; positioning insertion holes circumferentially opened on the outer walls of the two sets of torsion blocks respectively; a clamping base frame fixedly connected to the top of the two sets of clamping base frames respectively; a compression screw threadedly connected to the two sets of support frames respectively; and a clamping block rotatably connected to the bottom of the two sets of compression screws respectively.
[0007] Preferably, the fixed base frame is configured as a U-shaped frame, and a contact block is provided on the outer wall of the fixed base frame; a constraint groove is provided at the bottom center of the fixed base frame; the constraint groove is configured as an inverted T-shaped groove; a mating groove is provided on the outer wall of the fixed base frame; the mating groove is configured as a threaded through hole.
[0008] Preferably, the bottom of the displacement block is fixedly connected to an inverted T-shaped protrusion; the inverted T-shaped protrusion of the displacement block is slidably connected in the constraint groove; an adjusting screw is rotatably connected to the displacement block; a rotating handle is fixedly connected to the end of the adjusting screw, and the adjusting screw is threadedly connected in the mating groove.
[0009] Preferably, the bottom of each of the two sets of docking base blocks is provided with a rectangular protrusion, and the top of each of the two sets of docking base blocks is fixedly connected with a cylindrical protrusion; the four sets of inner adjusting grooves are configured as rectangular grooves, and the four sets of inner adjusting grooves are respectively connected to circular through holes; cylindrical insert rods are fixedly connected to each of the four sets of locking clamps, and springs are fixedly connected to each of the four sets of locking clamps.
[0010] Preferably, the two sets of torsion blocks are configured as cylindrical structures, and the bottom of the two sets of torsion blocks is provided with cylindrical grooves; the positioning hole is configured as a circular through hole, and the cylindrical insert of the locking clamp can extend out from the positioning hole.
[0011] Preferably, the two sets of clamping base frames are configured as cuboid structures, and a slot is provided at the top center of the two sets of clamping base frames; the two sets of support frames are respectively configured as rectangular block structures, and two sets of cylindrical rods are fixed to the bottom of the two sets of support frames, and a threaded through hole is provided at the center of the two sets of support frames.
[0012] Preferably, the ends of the two sets of extrusion screws are fixed with rotating handles; the two sets of clamping blocks are slidably connected inside the two sets of support frames, the two sets of clamping blocks are configured as cuboid structures, and the bottom of the two sets of clamping blocks are respectively provided with slots.
[0013] The adaptive welding fixture for irregularly shaped pipes proposed in this utility model has the following beneficial effects:
[0014] 1. By sliding the displacement block along the fixed base frame, it can accurately adapt to irregular pipe fittings of different lengths. The rotating connection design of the torsion block and the docking base block allows the clamping base frame to rotate 360°, which can perfectly fit various bending angles of irregular pipe fittings. This multi-dimensional adjustment capability enables the clamp to adapt to a variety of irregular pipe fittings, significantly improving the versatility and applicability of the clamp. At the same time, the spring buckle structure of locking the clamping block and the positioning socket can quickly lock after the torsion block is adjusted to the appropriate angle, greatly shortening the clamping time and improving production efficiency.
[0015] 2. The slot design of the clamping block and clamping base allows for multi-point contact with the surface of irregularly shaped pipe fittings, increasing the contact area and friction, effectively preventing the pipe fittings from sliding and shifting during welding. At the same time, the design of the U-shaped fixed base enhances the stability of the overall structure and reduces shaking during welding. The handle design of the adjusting screw and the extrusion screw allows operators to easily adjust the spacing and clamping force by manual rotation, reducing the difficulty of operation and labor intensity. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the three-dimensional assembly structure of this utility model.
[0017] Figure 2 This is a schematic diagram of the three-dimensional assembly structure of this utility model from a bottom view.
[0018] Figure 3 This is an exploded structural diagram of the present invention.
[0019] Figure 4 This is an exploded bottom view structural diagram of this utility model.
[0020] Figure 5 This is a partial cross-sectional structural diagram of the present invention.
[0021] Figure 6 This utility model is composed of Figure 5 A schematic diagram of the enlarged structure of part A.
[0022] In the diagram, the correspondence between component names and drawing numbers is as follows:
[0023] 1. Fixed base frame; 101. Constraint groove; 102. Mating groove;
[0024] 2. Displacement block; 201. Adjusting screw;
[0025] 3. Bottom docking block; 301. Internal adjustment groove; 302. Locking clamp;
[0026] 4. Torsion block; 401. Positioning socket;
[0027] 5. Clamping base frame; 501. Support frame; 502. Extrusion screw; 503. Clamping block. Detailed Implementation
[0028] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples.
[0029] Example 1: As shown in the attached document Figure 1 To be continued Figure 6As shown: This utility model provides an adaptive welding fixture for irregularly shaped pipe fittings, including: a fixed base frame 1; a displacement block 2 slidably connected inside the fixed base frame 1; and mating bottom blocks 3 fixedly connected to the top of the fixed base frame 1 and the displacement block 2, respectively; the mating bottom blocks 3 are used to assist in supporting the torsion block 4 to help maintain the stability of the irregularly shaped pipe fittings during the welding process; two sets of internal adjustment grooves 301 are respectively opened inside the two sets of mating bottom blocks 3; the internal adjustment grooves 301 are used to assist in the installation of the locking clamp 302 to facilitate its adjustment. In use; four sets of internal adjustment grooves 301 are each slidably connected to a locking clamp 302; the locking clamp 302 is used to extend outward under the action of a spring, so as to maintain the stability between the docking base block 3 and the torsion block 4 by being locked in the positioning socket 401; the tops of the two sets of docking base blocks 3 are respectively rotatably connected to the torsion block 4; the torsion block 4 is used to assist in fixing the clamping base frame 5, so as to adjust the clamping direction of the clamping base frame 5 by rotation, so as to assist in adapting to the torsion direction of the irregular pipe fitting, so as to facilitate full contact with the irregular pipe fitting during the clamping process, and facilitate To maintain the stability of the pipe fitting during welding, two sets of torsion blocks 4 have circumferentially oriented positioning holes 401 on their outer walls. These positioning holes 401 are used in conjunction with locking clamps 302 to lock the torsion block 4 and the mating base block 3, ensuring their relative position and facilitating the stability of the irregularly shaped pipe fitting during welding. Clamping base frames 5 are fixedly connected to the top of each set of torsion blocks 4. These clamping base frames 5 are used in conjunction with clamping blocks 503 to clamp the irregularly shaped pipe fitting, facilitating welding. The top portion of the two sets of clamping base frames 5... A support frame 501 is fixedly connected; the support frame 501 is used to assist in the installation of the extrusion screw 502 and facilitate its adjustment; the extrusion screw 502 is threadedly connected to the two sets of support frames 501 respectively; the extrusion screw 502 is used to adjust the relative position of the clamping block 503 during the adjustment process to facilitate the clamping of the irregular pipe fitting; the bottom of the two sets of extrusion screws 502 is rotatably connected to the clamping block 503; the clamping block 503 is used to cooperate with the clamping base frame 5 to clamp the irregular pipe fitting to facilitate its stability during the welding process.
[0030] Example 2: Based on Example 1, as shown in the appendix Figure 1 To be continued Figure 6As shown, the fixed base 1 is configured as a U-shaped frame, and a contact block is provided on the outer wall of the fixed base 1. The fixed base 1 is used to assist in the installation and fixation of other structures of the fixture to maintain the stability of the irregular pipe fitting during the welding process. A constraint groove 101 is provided at the center of the bottom of the fixed base 1. The constraint groove 101 is configured as an inverted T-shaped groove. The constraint groove 101 is used to assist in constraining the displacement block 2 to facilitate its stability during the adjustment process. A mating groove 102 is provided on the outer wall of the fixed base 1. The mating groove 102 is configured as a threaded through hole. The mating groove 102 is used to cooperate with the adjusting screw 201 for adjustment, so that the displacement block 2 can be adjusted by the thread during the rotation adjustment process.
[0031] The bottom of the displacement block 2 is fixedly connected to an inverted T-shaped protrusion; the inverted T-shaped protrusion of the displacement block 2 is slidably connected in the constraint groove 101; the displacement block 2 is used to assist in the installation of a set of docking base blocks 3, and to adjust the position of the docking base blocks 3 while moving, so as to facilitate the adjustment of the distance between the two sets of docking base blocks 3; an adjusting screw 201 is rotatably connected to the displacement block 2; a rotating handle is fixedly connected to the end of the adjusting screw 201, and the adjusting screw 201 is threadedly connected in the mating groove 102; the adjusting screw 201 is used to adjust the position of the displacement block 2 during rotation, so as to facilitate the adjustment of the distance between the two sets of docking base blocks 3.
[0032] The bottom of each of the two sets of docking base blocks 3 is provided with a rectangular protrusion, and the top of each of the two sets of docking base blocks 3 is fixed with a cylindrical protrusion; the four sets of inner adjustment grooves 301 are set as rectangular grooves, and the four sets of inner adjustment grooves 301 are connected to circular through holes; cylindrical insert rods are fixed to the four sets of locking clamps 302, and springs are fixed to the four sets of locking clamps 302.
[0033] The two sets of torsion blocks 4 are configured as cylindrical structures, and the bottom of the two sets of torsion blocks 4 is provided with cylindrical grooves; the positioning insertion hole 401 is configured as a circular through hole, and the cylindrical insertion rod of the locking clamp 302 can extend out from the positioning insertion hole 401.
[0034] The two sets of clamping base frames 5 are configured as cuboid structures, and a slot is provided at the top center of the two sets of clamping base frames 5; the two sets of support frames 501 are configured as rectangular block structures, and two sets of cylindrical rods are fixed to the bottom of the two sets of support frames 501, and threaded through holes are provided at the center of the two sets of support frames 501.
[0035] Two sets of extrusion screws 502 are fixedly connected to the ends of the screws with rotating handles; two sets of clamping blocks 503 are slidably connected inside the two sets of support frames 501 respectively. The two sets of clamping blocks 503 are set as cuboid structures, and the bottom of the two sets of clamping blocks 503 are respectively provided with slots.
[0036] The specific usage and function of this embodiment are as follows:
[0037] In this invention, the fixed base frame 1 is first placed on the workbench. Based on the length of the irregularly shaped pipe fitting, the adjusting screw 201 on the displacement block 2 is rotated. The adjusting screw 201 engages with the mating groove 102 on the fixed base frame 1. As the screw rotates, the inverted T-shaped protrusion at the bottom of the displacement block 2 slides along the constraint groove 101, thereby adjusting the distance between the two sets of mating base blocks 3 to suit the needs of the pipe fitting. The irregularly shaped pipe fitting is then placed between the two sets of clamping base frames 5. The bending direction of the pipe fitting is observed, and the torsion block 4 is manually rotated to rotate the clamping base frame 5, matching the clamping direction with the bending shape of the pipe fitting. Once the appropriate angle is reached, under the action of the spring, the cylindrical insert of the locking clamp 302 automatically engages with the positioning insertion hole 401 on the outer wall of the torsion block 4, fixing the relative position of the torsion block 4 and the docking base block 3, ensuring a stable clamping angle. By rotating the handle at the end of the extrusion screw 502, using the thread transmission principle, the extrusion screw 502 drives the clamping block 503 to slide along the inside of the support frame 501. As the clamping block 503 moves downward, its bottom slot engages with the top slot of the clamping base frame 5, tightly clamping the irregular pipe fitting from both the top and bottom. After welding, the fitting is aligned and disassembled.
[0038] The following points should be noted in this article:
[0039] 1. The accompanying drawings of the embodiments disclosed herein only relate to the structures involved in the embodiments disclosed herein; other structures can be referred to in general design.
[0040] 2. Where there is no conflict, the embodiments of this disclosure and the features in the embodiments can be combined with each other to obtain new embodiments.
[0041] The above are merely specific embodiments of this disclosure, but the scope of protection of this disclosure is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this disclosure should be included within the scope of protection of this disclosure. Therefore, the scope of protection of this disclosure should be determined by the scope of the claims.
Claims
1. An adaptive welding fixture for irregularly shaped pipe fittings, characterized in that, include: A fixed base frame (1) is provided, and a displacement block (2) is slidably connected inside the fixed base frame (1). A docking base block (3) is fixedly connected to the top of the fixed base frame (1) and the displacement block (2). Two sets of internal adjustment grooves (301) are opened inside the two sets of docking base blocks (3). Locking clamps (302) are slidably connected inside the four sets of internal adjustment grooves (301). Torsion blocks (4) are rotatably connected to the top of the two sets of docking base blocks (3). Positioning insertion holes (401) are circumferentially opened on the outer wall of the two sets of torsion blocks (4). Clamping base frames (5) are fixedly connected to the top of the two sets of torsion blocks (4). Support frames (501) are fixedly connected to the top of the two sets of clamping base frames (5). Extrusion screws (502) are threadedly connected to the two sets of support frames (501). Clamping blocks (503) are rotatably connected to the bottom of the two sets of extrusion screws (502).
2. The adaptive welding fixture for irregularly shaped pipe fittings according to claim 1, characterized in that: The fixed base frame (1) is configured as a U-shaped frame, and a contact block is provided on the outer wall of the fixed base frame (1); a constraint groove (101) is provided at the bottom center of the fixed base frame (1); the constraint groove (101) is configured as an inverted T-shaped groove; a mating groove (102) is provided on the outer wall of the fixed base frame (1); the mating groove (102) is configured as a threaded through hole.
3. The adaptive welding fixture for irregularly shaped pipe fittings according to claim 1, characterized in that: The bottom of the displacement block (2) is fixedly connected to an inverted T-shaped protrusion; the inverted T-shaped protrusion of the displacement block (2) is slidably connected in the constraint groove (101); an adjusting screw (201) is rotatably connected to the displacement block (2); a rotating handle is fixedly connected to the end of the adjusting screw (201), and the adjusting screw (201) is threadedly connected in the mating groove (102).
4. The adaptive welding fixture for irregularly shaped pipe fittings according to claim 1, characterized in that: The bottom of each of the two sets of docking base blocks (3) is provided with a rectangular protrusion, and the top of each of the two sets of docking base blocks (3) is fixed with a cylindrical protrusion; the four sets of inner adjustment grooves (301) are set as rectangular grooves, and the four sets of inner adjustment grooves (301) are respectively connected with circular through holes; cylindrical insert rods are fixed on each of the four sets of locking clamps (302), and springs are fixed on each of the four sets of locking clamps (302).
5. The adaptive welding fixture for irregularly shaped pipe fittings according to claim 1, characterized in that: The two sets of torsion blocks (4) are configured as cylindrical structures, and the bottom of the two sets of torsion blocks (4) is provided with cylindrical grooves; the positioning hole (401) is configured as a circular through hole, and the cylindrical insert of the locking clamp (302) can extend out from the positioning hole (401).
6. The adaptive welding fixture for irregularly shaped pipe fittings according to claim 1, characterized in that: The two sets of clamping base frames (5) are configured as cuboid structures, and a slot is provided at the top center of the two sets of clamping base frames (5); the two sets of support frames (501) are configured as rectangular block structures, and two sets of cylindrical rods are fixed to the bottom of the two sets of support frames (501), and a threaded through hole is provided at the center of the two sets of support frames (501).
7. The adaptive welding fixture for irregularly shaped pipe fittings according to claim 1, characterized in that: Two sets of extrusion screws (502) have rotating handles fixedly connected to their ends; two sets of clamping blocks (503) are slidably connected inside two sets of support frames (501), and the two sets of clamping blocks (503) are configured as cuboid structures, with slots opened at the bottom of the two sets of clamping blocks (503).