Metal corrugated pipe machining and welding device

Abstract

The utility model discloses a metal corrugated pipe processing welding device which comprises a base, a metal corrugated pipe and a screwed joint, the base is rotatably connected with a rotating disc, the rotating disc is provided with a plurality of stand columns, the outer walls of the stand columns are movably connected with a same adjusting plate, the top ends of the stand columns are provided with a same supporting plate, and the top ends of the supporting plate are provided with the metal corrugated pipe. A supporting plate is arranged on the base, a three-jaw chuck is arranged on the supporting plate, the metal corrugated pipe is movably connected in the three-jaw chuck, a frame body is arranged on the base, a motor is arranged on one side of the frame body, a gear is arranged on an output shaft of the motor, a gear ring is welded on the outer wall of the supporting plate, and the gear ring is meshed with the gear. And the first electric telescopic rod drives the conical ejector block to abut against the threaded connector on the metal corrugated pipe, the conical surface of the conical ejector block has a centering effect on the threaded connector, so that the centers of the threaded connector and the metal corrugated pipe coincide, the problem of welding dislocation is effectively prevented, and the welding quality is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding device technical field especially relates to a kind of metal bellows processing welding device. BACKGROUND

[0002] Metal bellows is a kind of pipe material, which is shaped like regular wave. Commonly used metal bellows are made of carbon steel, stainless steel, steel lined plastic and aluminum, etc. It is mainly used for connecting pipes and equipment in situations where small bending radius non-concentric axial transmission, irregular turning, expansion, heat deformation absorption of pipeline, etc. are required.

[0003] After searching, it is found that the existing metal bellows processing welding device adopts three-jaw chuck to clamp and fix the metal bellows and weld the threaded joint (for example, the metal bellows processing welding device disclosed in CN217167106U). However, since the threaded joint is not positioned, it is easy to be axially misaligned with the metal bellows, resulting in deviation after welding. In addition, full welding is required between the metal bellows and the threaded joint during the welding process. Since the device is not convenient to rotate, the welder needs to weld around the welding surface, which is inconvenient to operate. Therefore, a metal bellows processing welding device is needed to meet the demand. SUMMARY

[0004] The utility model aims at providing a kind of metal bellows processing welding device to solve the problems raised in the above background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of metal bellows processing welding device, including base, metal bellows and threaded joint, the base is rotatably connected with carousel, and the carousel is provided with a plurality of stands, and the outer wall of a plurality of stands is movably connected with the same adjusting plate, and the top of a plurality of stands is provided with the same supporting plate, and the supporting plate is provided with three-jaw chuck, the metal bellows is movably connected in three-jaw chuck, the base is provided with frame body, and the side of frame body is provided with motor, and the output shaft of motor is provided with gear, the outer wall of supporting plate is welded with gear ring, and gear ring is engaged with gear, the top of frame body is provided with first electric telescopic rod, and the telescopic shaft bottom end of first electric telescopic rod is rotatably connected with conical top block, the bottom end of threaded joint is in contact with the top end of metal bellows, and the conical outer wall of conical top block is in contact with the inner wall of threaded joint.

[0006] Preferably, a positioning groove is formed in the base, and the positioning groove is circular. The carousel is rotatably connected in the positioning groove.

[0007] Preferably, the outer wall of the adjusting plate is threadedly connected with a plurality of screws, and the threaded end of each screw is in contact with the outer wall of the corresponding column.

[0008] Preferably, the outer wall of each column is provided with an axially arranged notch, and the threaded end of each screw is arranged in the corresponding notch.

[0009] Preferably, the motor is connected to the frame by a hoop.

[0010] Preferably, the conical top block is provided with a connecting shaft, the cross section of the connecting shaft is T-shaped, and the connecting shaft is rotatably connected to the bottom end of the telescopic shaft of the first electric telescopic rod.

[0011] Preferably, the frame is provided with a second electric telescopic rod, the second electric telescopic rod is horizontally arranged, the telescopic shaft is provided with a connecting rod, the connecting rod is slidably connected to the frame, and the bottom end of the connecting rod is provided with a welding gun corresponding to the joint position of the metal bellows and the threaded joint.

[0012] The beneficial effects of the present application are as follows:

[0013] In the present application, the metal bellows is clamped and centered by the three-jaw chuck, and the threaded joint is pressed against the metal bellows by the conical top block driven by the first electric telescopic rod, the conical surface of the conical top block produces a centering effect on the threaded joint, so that the centers of the threaded joint and the metal bellows coincide, effectively preventing welding misalignment and improving welding quality.

[0014] In the present application, the gear is driven to rotate by the motor, the gear is engaged with the toothed ring, the toothed ring drives the supporting plate to rotate, so that the metal bellows clamped and fixed by the three-jaw chuck is rotated, and the metal bellows drives the threaded joint and the conical top block to rotate through the rotation connection of the conical top block on the first electric telescopic rod, so that the welder can complete full welding operation without changing position, and the operation is simple and convenient. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A structural schematic view of a metal bellows processing and welding device is provided for the present application.

[0016] Figure 2 A front view cross-sectional structural schematic view of a metal bellows processing and welding device is provided for the present application.

[0017] Figure 3 A structural schematic view of a metal bellows processing and welding device is provided for the present application. Figure 2 An enlarged structural schematic view of position A in the present application.

[0018] Figure 4The utility model provides a kind of screw overhead sectional structure schematic diagram of metal bellows processing welding device.

[0019] In the figure: 1, base; 2, metal bellows; 3, threaded joint; 4, turntable; 5, stand; 6, adjusting plate; 7, supporting plate; 8, three-jaw chuck; 9, frame; 10, motor; 11, gear; 12, gear ring; 13, first electric telescopic rod; 14, conical top block; 15, positioning groove; 16, screw; 17, notch; 18, hoop; 19, connecting shaft; 20, second electric telescopic rod; 21, connecting rod; 22, welding torch. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0021] REFERENCE Figures 1-4 A kind of metal bellows processing welding device, including base 1, metal bellows 2 and threaded joint 3, base 1 is rotatably connected with turntable 4, turntable 4 is provided with several stand 5, the outer wall of several stand 5 is movably connected with same adjusting plate 6, the top of several stand 5 is provided with same supporting plate 7, supporting plate 7 is provided with three-jaw chuck 8, metal bellows 2 is movably connected in three-jaw chuck 8, base 1 is provided with frame 9, the side of frame 9 is provided with motor 10, the output shaft of motor 10 is provided with gear 11, the outer wall of supporting plate 7 is welded with gear ring 12, gear ring 12 is engaged with gear 11, the top of frame 9 is provided with first electric telescopic rod 13, the telescopic shaft bottom end of first electric telescopic rod 13 is rotatably connected with conical top block 14, the bottom end of threaded joint 3 is in contact with the top of metal bellows 2, the conical outer wall of conical top block 14 is in contact with the inner wall of threaded joint 3.

[0022] In use, loosen the three-jaw chuck 8, place the metal bellows 2 into the three-jaw chuck 8 and lock it, complete the fixation of the metal bellows 2, can move the adjusting plate 6, so that the adjusting plate 6 moves to the bottom end of the metal bellows 2, provides bottom support for the metal bellows 2, at the same time, facilitates the subsequent welding of the same length metal bellows 2 to provide unified positioning effect, place the threaded joint 3 on the top end of the metal bellows 2, drive the first electric telescopic rod 13, the telescopic shaft extends to drive the conical top block 14 to descend, the conical surface of the conical top block 14 contacts with the inner hole of the threaded joint 3, so that the threaded joint 3 automatically generates the centering effect, and generates abutment and position calibration with the metal bellows 2, so as to ensure the concentricity, drive the motor 10, the output shaft drives the gear 11 to rotate, the gear 11 drives the gear ring 12 to rotate, the gear ring 12 drives the supporting plate 7 to rotate, the supporting plate 7 drives the three-jaw chuck 8, the metal bellows 2, the stand 5, the adjusting plate 6 and the turntable 4 to generate rotating effect, since the threaded joint 3 and the metal bellows 2 abut each other at this time, and are connected by the rotation of the conical top block 14 on the telescopic shaft of the first electric telescopic rod 13, the metal bellows 2 in the rotating state smoothly drives the threaded joint 3 and the conical top block 14 to rotate synchronously, the welder can complete the welding operation between the metal bellows 2 and the threaded joint 3 without changing the position, convenient operation, at the same time, improves the welding quality.

[0023] Specifically, in the embodiment, the base 1 is provided with a positioning groove 15, the positioning groove 15 is circular, and the turntable 4 is rotationally connected in the positioning groove 15 to provide positioning for the rotation of the turntable 4 on the base 1, prevent deviation, thereby improving the meshing transmission effect between the gear ring 12 and the gear 11.

[0024] Specifically, in the embodiment, the outer wall of the adjusting plate 6 is threadedly connected with a plurality of screws 16, and the threaded end of each screw 16 is in contact with the outer wall of the corresponding stand 5, achieving the adjustable position of the adjusting plate 6 on the stand 5 and the locking effect after adjustment.

[0025] Specifically, in the embodiment, the outer wall of each stand 5 is provided with an axially arranged slot 17, and the threaded end of each screw 16 is arranged in the corresponding slot 17, avoiding friction between the screw 16 and the stand 5 after locking, which causes the flanging burr on the surface of the stand 5, affecting the sliding effect of the adjusting plate 6.

[0026] Specifically, in the embodiment, the motor 10 is connected to the frame 9 by a hoop 18, for stably fixing the motor 10 on the frame 9.

[0027] Specifically, in this embodiment, a connecting shaft 19 is provided on the conical top block 14. The cross-section of the connecting shaft 19 is T-shaped. The connecting shaft 19 is rotatably connected to the bottom end of the telescopic shaft of the first electric telescopic rod 13, ensuring the connection effect between the conical top block 14 and the telescopic shaft of the first electric telescopic rod 13, while also ensuring the rotatability of the conical top block 14.

[0028] Specifically, in this embodiment, a second electric telescopic rod 20 is provided on the frame 9. The second electric telescopic rod 20 is arranged horizontally, and a connecting rod 21 is provided on the telescopic shaft. The connecting rod 21 is slidably connected inside the frame 9. A welding torch 22 is provided on the bottom end of the connecting rod 21. The welding torch 22 corresponds to the joint between the metal corrugated pipe 2 and the threaded joint 3. The telescopic shaft of the second electric telescopic rod 20 extends and retracts, causing the connecting rod 21 to move horizontally, thereby causing the welding torch 22 to move horizontally. This facilitates the welding torch 22 to approach and separate from the weld. When approaching, it achieves an automatic welding effect. When separating, it facilitates the removal and installation of the metal corrugated pipe 2 from the three-jaw chuck 8 after welding. Since the height of the welding torch 22 is not adjustable, the required welding position can be kept at the welding torch 22 by controlling the height of the adjusting plate 6 according to the length of the metal corrugated pipe 2.

[0029] The above are merely preferred embodiments of this utility model, but the scope of protection of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this utility model, based on the technical solution and inventive concept of this utility model, should be included within the scope of protection of this utility model.

Claims

1. A metal bellows processing and welding device, comprising a base (1), a metal bellows (2), and a threaded joint (3), characterized in that: A turntable (4) is rotatably connected to the base (1). Several columns (5) are set on the turntable (4). The same adjusting plate (6) is movably connected to the outer wall of the columns (5). The same support plate (7) is set on the top of the columns (5). A three-jaw chuck (8) is set on the support plate (7). The metal corrugated pipe (2) is movably connected in the three-jaw chuck (8). A frame (9) is set on the base (1). A motor (10) is set on one side of the frame (9). A gear (11) is provided on the output shaft of the bracket (7), and a toothed ring (12) is welded on the outer wall of the bracket (7). The toothed ring (12) meshes with the gear (11). A first electric telescopic rod (13) is provided on the top of the frame (9). A conical top block (14) is rotatably connected to the bottom end of the telescopic shaft of the first electric telescopic rod (13). The bottom end of the threaded joint (3) is in contact with the top end of the metal bellows (2), and the conical outer wall of the conical top block (14) is in contact with the inner wall of the threaded joint (3).

2. The metal corrugated pipe processing and welding device according to claim 1, characterized in that: The base (1) has a positioning groove (15) which is circular, and the turntable (4) is rotatably connected in the positioning groove (15).

3. The metal corrugated pipe processing and welding device according to claim 1, characterized in that: The outer wall of the adjusting plate (6) is threaded with several screws (16), and the threaded end of each screw (16) contacts the outer wall of the column (5) at the corresponding position.

4. The metal corrugated pipe processing and welding device according to claim 1, characterized in that: Each of the columns (5) has an axially arranged slot (17) on its outer wall, and the threaded end of each screw (16) is arranged in the corresponding slot (17).

5. The metal corrugated pipe processing and welding device according to claim 1, characterized in that: The motor (10) is connected to the frame (9) by a clamp (18).

6. The metal corrugated pipe processing and welding device according to claim 1, characterized in that: The conical top block (14) is provided with a connecting shaft (19), the cross section of the connecting shaft (19) is T-shaped, and the connecting shaft (19) is rotatably connected to the bottom end of the telescopic shaft of the first electric telescopic rod (13).

7. The metal corrugated pipe processing and welding device according to claim 1, characterized in that: The frame (9) is provided with a second electric telescopic rod (20), which is arranged horizontally. A connecting rod (21) is provided on the telescopic shaft. The connecting rod (21) is slidably connected inside the frame (9). A welding gun (22) is provided at the bottom end of the connecting rod (21). The welding gun (22) corresponds to the joint of the metal corrugated pipe (2) and the threaded joint (3).

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