Anti-deformation fixture for argon arc welding of cavity

Abstract

The utility model relates to the technical field of welding fixtures, in particular to a cavity argon arc welding anti-deformation fixture which comprises a double-shaft motor and a pair of pipe fittings, the outer side of the double-shaft motor is fixedly connected with a fixing frame, the two output ends of the double-shaft motor are both fixedly connected with threaded rods, the outer sides of the threaded rods are in threaded connection with sliding plates, and the sliding plates are fixedly connected with the fixing frame. A plurality of sliding grooves are formed in the outer side of the sliding plate, and supporting assemblies are arranged in the sliding grooves. The supporting assembly comprises a sliding rod slidably connected with the side face of the inner wall of the sliding groove, one end of the sliding rod is fixedly connected with a top plate, and a spring is arranged in the sliding groove. According to the pipe fitting welding device, the double-shaft motor, the threaded rod, the telescopic rod, the sliding rod and the top plates are arranged in a matched mode, the inner wall of the pipe fitting is supported by the top plates from multiple directions, the situation that the pipe fitting is deformed in the welding process is avoided, and the telescopic rod slides along the empty groove and is prevented from deviating in the sliding process.

Description

Technical Field

[0001] The utility model relates to the technical field of welding jigs, and particularly relates to a deformation prevention jig for argon arc welding of cavities. Background Technique

[0002] An argon arc welding machine is a machine that uses argon arc welding. It adopts a high-voltage breakdown arc starting method. Argon arc welding, that is, tungsten inert gas shielded arc welding, refers to a welding method that uses industrial tungsten or active tungsten as a non-consumable electrode and inert gas as a shield. When performing argon arc welding on pipe fittings, the pipe fittings are usually fixed externally and then processed.

[0003] In view of the above related technologies, the inventor believes that when the existing pipe fittings are welded, due to the lack of support inside the pipe fittings with a cavity structure, the pipe fittings are prone to deformation during the welding process, affecting the processing quality of the pipe fittings. Therefore, the utility model provides a deformation prevention jig for argon arc welding of cavities. Content of the Utility Model

[0004] The purpose of this application is to provide a deformation prevention jig for argon arc welding of cavities, so as to solve the problem that when the existing pipe fittings are welded, due to the lack of support inside the pipe fittings with a cavity structure, the pipe fittings are prone to deformation after welding, affecting the processing quality of the pipe fittings mentioned in the above background technique.

[0005] To achieve the above purpose, this application provides the following technical solution: A deformation prevention jig for argon arc welding of cavities, including a dual-axis motor and a pair of pipe fittings. A fixed frame is fixedly connected to the outside of the dual-axis motor. Threaded rods are fixedly connected to both output ends of the dual-axis motor. A sliding plate is threadedly connected to the outside of the threaded rods. A plurality of sliding grooves are opened on the outside of the sliding plate, and a support assembly is arranged in the sliding grooves; the support assembly includes a sliding rod slidably connected to the side surface of the inner wall of the sliding groove. One end of the sliding rod is fixedly connected to a top plate. A spring is arranged in the sliding groove, and both ends of the spring are fixedly connected to the side surface of the inner wall of the sliding groove and the sliding rod respectively.

[0006] Preferably, a telescopic rod is fixedly connected to the side surface of the sliding rod, and an empty groove adapted to the telescopic rod is opened on the outside of the fixed frame.

[0007] Preferably, a connecting block is fixedly connected to the side surface of the telescopic rod, a bolt is arranged on the outside of the connecting block, and threaded holes adapted to the bolt are opened on the inside of the fixed frame and the connecting block respectively.

[0008] Preferably, sliders are fixedly connected to both sides of the sliding rod, and sliding grooves adapted to the sliders are opened on both sides of the inner wall of the sliding groove.

[0009] Preferably, the pipe fitting is arranged outside the sliding plate, and a fixing block is fixedly connected to one end of the threaded rod away from the biaxial motor.

[0010] Preferably, a pair of support rods are fixedly connected to the bottom of the fixed frame, and the same bottom plate is fixedly connected to the bottom ends of the pair of support rods.

[0011] Preferably, a threaded hole adapted to the threaded rod is formed in the inner side of the sliding plate, and the connecting block is slidably connected to the side surface of the fixed frame.

[0012] In summary, the technical effects and advantages of the present utility model are as follows:

[0013] 1. In the present utility model, through the cooperative setting of the biaxial motor, the threaded rod, the telescopic rod, the sliding rod, and the top plate, multiple top plates are used to support the inner wall of the pipe fitting from multiple directions, avoiding the deformation of the pipe fitting during the welding process, and the telescopic rod slides along the empty groove, avoiding the deviation of the telescopic rod during the sliding process.

[0014] 2. In the present utility model, the telescopic rod drives the sliding rod and the slider to move along the sliding groove, so that the sliding rod and the telescopic rod remain stable during the movement, and the setting of the spring facilitates the reset of the sliding rod and the top plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present application. For those skilled in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0016] Figure 1 It is the first perspective axonometric structure schematic diagram of the present utility model;

[0017] Figure 2 It is the second perspective axonometric structure schematic diagram of the present utility model;

[0018] Figure 3 It is the structure schematic diagram of the sliding groove and the sliding slot in the present utility model;

[0019] Figure 4 is Figure 2 The enlarged structure schematic diagram of part A.

[0020] In the figure: 1, bottom plate; 2, support rod; 3, fixed frame; 4, dual-axis motor; 5, threaded rod; 6, fixed block; 7, telescopic rod; 8, top plate; 9, pipe fitting; 10, sliding rod; 11, slider; 12, sliding groove; 13, sliding slot; 14, spring; 15, sliding plate; 16, empty slot; 17, connecting block; 18, bolt; 19, threaded hole; 20, screw hole. Specific embodiments

[0021] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0022] In the description of the present invention, it should be noted that, unless otherwise clearly defined and limited, terms such as "installation", "provided with", "sheathed / connected", "connection", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0023] Embodiment 1: Refer to Figures 1-4 A cavity argon arc welding anti-deformation fixture shown in the figure, including a dual-axis motor 4 and a pair of pipe fittings 9. A fixed frame 3 is fixedly connected to the outside of the dual-axis motor 4. Threaded rods 5 are fixedly connected to both output ends of the dual-axis motor 4. A sliding plate 15 is threadedly connected to the outside of the threaded rod 5. A plurality of sliding grooves 12 are opened on the outside of the sliding plate 15, and a support assembly is arranged in the sliding grooves 12; the support assembly includes a sliding rod 10 slidably connected to the side surface of the inner wall of the sliding groove 12. One end of the sliding rod 10 is fixedly connected to a top plate 8. A spring 14 is arranged in the sliding groove 12, and both ends of the spring 14 are fixedly connected to the side surface of the inner wall of the sliding groove 12 and the sliding rod 10 respectively, which is convenient for realizing multi-point support on the inner wall of the pipe fitting 9; a telescopic rod 7 is fixedly connected to the side surface of the sliding rod 10. An empty slot 16 adapted to the telescopic rod 7 is opened on the outside of the fixed frame 3, which avoids the deviation of the telescopic rod 7 during the movement process. And through the setting of the telescopic rod 7, it is possible to support two pipe fittings 9 at the same time; a connecting block 17 is fixedly connected to the side surface of the telescopic rod 7. A bolt 18 is arranged on the outside of the connecting block 17. Threaded holes 19 adapted to the bolt 18 are opened on the inner sides of the fixed frame 3 and the connecting block 17, which is convenient for limiting and fixing the connecting block 17 and the telescopic rod 7.

[0024] In this embodiment, the pipe fitting 9 is placed outside the threaded rod 5. The double-shaft motor 4 is controlled to drive the two threaded rods 5 to rotate, driving the sliding plate 15 to move to the position where the pipe fitting 9 needs to be welded. The telescopic rod 7 is dragged to drive the top plate 8 to move through the sliding rod 10. The telescopic rod 7 slides along the empty groove 16 to prevent the telescopic rod 7 from shifting during the sliding process. It abuts against the inner wall of the pipe fitting 9, and the bolt 18 is used to connect with the corresponding threaded hole 19 to fix the connecting block 17 and the telescopic rod 7 in place. Through the same operation of abutting the top plate 8 against the inner wall of the pipe fitting 9, multiple top plates 8 support the inner wall of the pipe fitting 9 at multiple points, preventing the pipe fitting 9 from being sunken and deformed during the welding process of the pipe fitting 9.

[0025] Embodiment 2: Refer to Figures 1-4 , based on the same concept as the above Embodiment 1, this embodiment also proposes that sliding blocks 11 are fixedly connected to both sides of the sliding rod 10, and sliding grooves 13 adapted to the sliding blocks 11 are provided on both sides of the inner wall of the sliding groove 12 to prevent the sliding rod 10 from shifting during the movement; the pipe fitting 9 is arranged outside the sliding plate 15, and a fixed block 6 is fixedly connected to the end of the threaded rod 5 away from the double-shaft motor 4; a pair of support rods 2 are fixedly connected to the bottom of the fixed frame 3, and the same bottom plate 1 is fixedly connected to the bottom ends of the pair of support rods 2. The bottom plate 1 supports the fixed frame 3 through the support rods 2; a threaded hole 20 adapted to the threaded rod 5 is provided inside the sliding plate 15, and the connecting block 17 is slidably connected to the side of the fixed frame 3.

[0026] In this embodiment, the telescopic rod 7 drives the sliding rod 10 and the sliding blocks 11 to move along the sliding groove 13, keeping the sliding rod 10 and the telescopic rod 7 stable during the movement.

[0027] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A cavity argon arc welding anti-deformation fixture, comprising a dual-axis motor (4) and a pair of pipe fittings (9), characterized in that: The outer side of the dual-axis motor (4) is fixedly connected to a fixed frame (3), the two output ends of the dual-axis motor (4) are fixedly connected to threaded rods (5), the outer side of the threaded rods (5) is threadedly connected to a sliding plate (15), the outer side of the sliding plate (15) is provided with a plurality of sliding grooves (12), and the sliding grooves (12) are provided with support components; The support assembly comprises a sliding rod (10) slidably connected to the inner wall side of the sliding groove (12), one end of the sliding rod (10) is fixedly connected to the top plate (8), a spring (14) is arranged in the sliding groove (12), and the two ends of the spring (14) are respectively fixedly connected to the inner wall side of the sliding groove (12) and the sliding rod (10).

2. The anti-deformation fixture for cavity argon arc welding according to claim 1, characterized in that: A telescopic rod (7) is fixedly connected to the side of the sliding rod (10), and an empty groove (16) matching the telescopic rod (7) is provided on the outer side of the fixing frame (3).

3. The anti-deformation fixture for cavity argon arc welding according to claim 2, characterized in that: A connecting block (17) is fixedly connected to the side of the telescopic rod (7), a bolt (18) is arranged on the outside of the connecting block (17), and threaded holes (19) matching the bolts (18) are provided on the inside of the fixing frame (3) and the connecting block (17).

4. The anti-deformation fixture for cavity argon arc welding according to claim 1, characterized in that: Slide blocks (11) are fixedly connected to both sides of the sliding rod (10), and sliding grooves (13) matching the slide blocks (11) are provided on both sides of the inner wall of the sliding groove (12).

5. The anti-deformation fixture for cavity argon arc welding according to claim 4, characterized in that: The pipe member (9) is arranged on the outside of the sliding plate (15), and one end of the threaded rod (5) away from the dual-axis motor (4) is fixedly connected to a fixing block (6).

6. The anti-deformation fixture for cavity argon arc welding according to claim 1, characterized in that: A pair of support rods (2) are fixedly connected to the bottom of the fixed frame (3), and the bottom ends of the pair of support rods (2) are fixedly connected to the same bottom plate (1).

7. The anti-deformation fixture for cavity argon arc welding according to claim 3, characterized in that: The inner side of the sliding plate (15) is provided with a screw hole (20) adapted to the threaded rod (5), and the connecting block (17) is slidably connected to the side of the fixing frame (3).

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