A double-rotation welding positioning and clamping device

Abstract

The utility model relates to welding device technical field, concretely relates to a kind of double rotary welding positioning clamping device, including two top symmetrical bearing block mounting support frame, bearing block is rotationally installed with connecting shaft, coaxial center is connected with driving motor on any side connecting shaft, further include: two rotary clamping parts, including respectively coaxial center detachably installed in connecting shaft inside connecting block, detachably installed with clamping assembly in connecting block inside, and at least one group of extension cylinder and clamping assembly connecting piece are detachably installed in clamping assembly inside;Threaded rod is detachably installed between two sides rotary clamping parts;By two rotary clamping parts, the pipe to be welded can be reliably clamped, and rotary clamping part uses detachable assembly design, and it is suitable for the positioning clamping of pipeline of different length and outer diameter;In addition, the threaded rod can be connected to the two rotary clamping parts to form a relatively stationary rotation, which is beneficial to maintaining consistent welding conditions and ensuring welding quality.

Description

Technical Field

[0001] This utility model relates to the field of welding equipment technology, specifically to a double-rotation welding positioning and clamping device. Background Technology

[0002] In the field of pipeline welding, the quality of the circumferential weld directly determines the safety and service life of the entire pipeline system. To achieve uniform deposition of the circumferential weld, the pipeline needs to be rotated stably during the welding process. This process requirement poses extremely high technical challenges to the positioning, clamping and rotation drive devices of the pipeline.

[0003] Existing pipe welding positioning devices have limitations in practical applications. They cannot effectively and synchronously rotate the pipes welded on both sides. The rotation synchronization and stability are insufficient, which can easily cause pipe movement or radial displacement, resulting in tearing of the newly welded front weld and causing defects such as incomplete penetration and cracks. Therefore, it is necessary to provide a device that can stably clamp the pipes welded on both sides, keep the axis aligned, and be applicable to pipes of different diameters and lengths. In view of this, we propose a double-rotation welding positioning clamping device. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings mentioned in the background art and provide a dual-rotation welding positioning clamping device.

[0005] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: A dual-rotation welding positioning clamping device includes two support frames with bearing seats symmetrically mounted at their top ends. A connecting shaft is rotatably mounted on each bearing seat, and a drive motor is coaxially connected to the connecting shaft on either side. The device also includes: Two rotating clamping parts are used to clamp two pipes to be welded, including connecting blocks that are detachably mounted coaxially inside the connecting shaft. A clamping assembly is detachably mounted inside the connecting block, and at least one set of extension tubes and clamping assembly connectors are detachably mounted inside the clamping assembly. A threaded rod is detachably installed between the rotating clamping parts on both sides.

[0006] Preferably, one side of the support frame is fixedly installed on a horizontal base plate, and the other end of the horizontal base plate is provided with a groove in which a slide rail is installed; The support frame on the other side is slidably mounted on the slide rail via a slider.

[0007] Preferably, the clamping assembly includes a C-shaped ring disk with an opening, and the inner wall of the C-shaped ring disk is provided with at least three evenly distributed clamping blocks; The card block is provided with a limiting cavity for inserting the clamping block, and the outer end of the clamping block is provided with a slot for inserting the rotating ring. The clamping block is provided with a plug rod, and the card block is provided with an opening and closing insertion hole perpendicular to the axis; The rotating ring is provided with an opening and closing guide groove for inserting the insertion rod.

[0008] Preferably, the distance from the opening and closing guide groove to the axis gradually increases from the inside to the outside.

[0009] Preferably, the C-shaped ring disk is equipped with a worm gear mounted at the opening via an active motor; The rotating ring is provided with worm gear teeth that drive the worm.

[0010] Preferably, the C-shaped ring is provided with positioning holes for inserting the threaded rod, and nuts are threadedly installed on both sides of the positioning holes on the threaded rod.

[0011] Preferably, the extension cylinder has a cavity at its shaft center and first flanges at both ends of the cylinder body; A second flange is provided on the inner side of the connecting block; The clamping assembly is detachably connected to either the first flange or the second flange.

[0012] Compared with the prior art, the beneficial effects of this utility model are: This dual-rotary welding positioning clamping device can reliably clamp the pipe to be welded through two rotating clamping parts. The rotating clamping parts adopt a detachable assembly design, which is suitable for positioning and clamping pipes of different lengths and outer diameters. In addition, the threaded rod can connect the two rotating clamping parts to form a relatively static rotation, which helps to maintain consistent welding conditions and ensure welding quality. Attached Figure Description

[0013] The accompanying drawings, which form part of this application, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an undue limitation of the present invention. In the drawings: Figure 1 This is one of the schematic diagrams of the overall structure of this utility model; Figure 2 This is the second schematic diagram of the overall structure of this utility model; Figure 3 This is a diagram showing the overall structure and installation relationship of this utility model; Figure 4 This is a schematic diagram of the clamping and installation of the pipe to be welded according to this utility model; Figure 5 This is a schematic diagram of the rotating clamping part of this utility model; Figure 6 This is a schematic diagram of the clamping component of this utility model; Figure 7This is an exploded view of the clamping component of this utility model.

[0014] The meanings of the labels in the diagram are as follows: 1. Horizontal base plate; 101. Embedded groove; 2. Slide rail; 3. Slider; 4. Support frame; 5. Bearing seat; 6. Connecting shaft; 7. Drive motor; 8. Clamping assembly; 81. C-shaped ring disc; 8101. Opening; 811. Locking block; 8111. Opening and closing insertion hole; 82. Rotating ring; 821. Opening and closing guide groove; 822. Worm gear tooth; 83. Clamping block; 831. Slot; 84. Insertion rod; 85. Worm; 86. Drive motor; 801. Positioning insertion hole; 802. Limiting insertion cavity; 9. Extension tube; 91. First flange; 901. Pipe cavity; 10. Threaded rod; 11. Pipe to be welded; 12. Connecting block; 121. Second flange. Detailed Implementation

[0015] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Unless otherwise specified, the embodiments and features in the embodiments of this application can be combined with each other. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0016] Please see Figures 1-7 The present invention will describe the above technical solution in detail through the following embodiments: This embodiment of the dual-rotation welding positioning clamping device includes, as follows: Figures 1-3 The structure shown has a support frame 4 fixedly installed at one end of a horizontal base plate 1, and a groove 101 provided at the other end of the horizontal base plate 1. A slide rail 2 is installed in the groove 101, and the support frame 4 is slidably installed on the slide rail 2 via a slider 3, which facilitates the adjustment of the distance between the two support frames 4 and is suitable for welding pipes of different lengths.

[0017] A bearing seat 5 is fixedly installed at the top of the support frame 4, and a connecting shaft 6 is rotatably mounted on the bearing seat 5. One of the connecting shafts 6 is coaxially mounted with a drive motor 7 to achieve active rotation. Symmetrically mounted between the two connecting shafts 6 are... Figure 3 , Figure 4 The two rotating clamping parts are shown.

[0018] Specifically, the two rotating clamping parts are used to clamp the two pipes 11 to be welded respectively. In order to obtain a reliable clamping state of the pipe 11 to be welded on one side, a connecting block 12 is detachably installed coaxially inside the connecting shaft 6, and a clamping assembly 8, an extension cylinder 9 and a clamping assembly 8 connector are installed in sequence inside the connecting block 12. In order to achieve synchronous rotation on both sides, a threaded rod 10 is detachably installed between the two rotating clamping parts, so that it drives the pipe 11 to be welded to rotate synchronously.

[0019] like Figures 4-7 As shown in the structure, the clamping assembly 8 in this embodiment includes a C-shaped ring disk 81 with an opening 8101. The C-shaped ring disk 81 has a positioning insertion hole 801 for inserting a threaded rod 10. The threaded rod 10 is threaded with nuts on both sides of the positioning insertion hole 801, which can keep the two pipes 11 to be welded fixed after alignment.

[0020] In this embodiment, three evenly distributed clamping blocks 811 are provided on the inner wall of the C-shaped annular disk 81. Each clamping block 811 has a limiting cavity 802 for inserting a clamping block 83. An opening / closing insertion hole 8111 perpendicular to the axis is provided outside the limiting cavity 802. A rotating ring 82 is externally clamped to the clamping block 83 via a slot 831, and is inserted into the opening / closing insertion hole 8111 via a rod 84 mounted on the clamping block 83. To achieve the opening and closing action of the clamping block 83, it is suitable for welding pipes 11 of different diameters, such as… Figure 7 The structure shown has a rotating ring 82 with a tensioning guide groove 821 for inserting the insertion rod 84. The distance from the tensioning guide groove 821 to the axis gradually increases from the inside to the outside. During rotation, the clamping block 83 will be pulled to open and close along the tensioning guide groove 821.

[0021] In this embodiment, a worm gear 85 is rotatably mounted on the C-shaped ring disk 81 at the opening 8101 via an active motor 86. In order to drive the rotating ring 82 to rotate, a worm gear tooth 822 that drives the worm gear 85 is provided on the rotating ring 82. When the active motor 86 drives the worm gear 85 to drive the rotating ring 82 to rotate, the clamping block 83 opens and closes to clamp.

[0022] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a specific posture. If the specific posture changes, the directional indicators will also change accordingly.

[0023] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention.

Claims

1. A double-rotation welding positioning clamping device, comprising two support frames (4) with bearing seats (5) symmetrically mounted at their top ends, wherein a connecting shaft (6) is rotatably mounted on the bearing seats (5), and a drive motor (7) is coaxially connected to the connecting shaft (6) on either side, characterized in that: Also includes: Two rotating clamping parts are used to clamp two pipes (11) to be welded, including connecting blocks (12) that are detachably mounted on the inner side of the connecting shaft (6) respectively, clamping components (8) are detachably mounted on the inner side of the connecting blocks (12), and at least one set of extension tubes (9) and clamping component (8) connectors are detachably mounted on the inner side of the clamping components (8); A threaded rod (10) is detachably installed between the rotating clamping parts on both sides.

2. The dual-rotary welding positioning and clamping device as described in claim 1, characterized in that: The support frame (4) on one side is fixedly installed on the horizontal base plate (1), and the other end of the horizontal base plate (1) is provided with a groove (101), and a slide rail (2) is installed in the groove (101). The support frame (4) on the other side is slidably mounted on the slide rail (2) via a slider (3).

3. The dual-rotation welding positioning and clamping device as described in claim 2, characterized in that: The clamping assembly (8) includes a C-shaped ring disk (81) with an opening (8101), and the inner wall of the C-shaped ring disk (81) is provided with at least three evenly distributed clamping blocks (811). The card block (811) is provided with a limiting cavity (802) for inserting the clamping block (83), and the outer end of the clamping block (83) is provided with a slot (831) for inserting the rotating ring (82). The clamping block (83) is provided with a plug rod (84), and the locking block (811) is provided with an opening and closing insertion hole (8111) perpendicular to the axis. The rotating ring (82) is provided with an opening and closing guide groove (821) for inserting the insert rod (84).

4. The dual rotary welding positioning and clamping device as described in claim 3, characterized in that: The distance from the opening and closing guide groove (821) to the axis gradually increases from the inside to the outside.

5. The dual-rotation welding positioning and clamping device as described in claim 4, characterized in that: The C-shaped ring disk (81) is located at the opening (8101) and is equipped with a worm gear (85) via an active motor (86). The rotating ring (82) is provided with worm gear teeth (822) that are driven by the worm (85).

6. The dual rotary welding positioning and clamping device as described in claim 3, characterized in that: The C-shaped ring (81) is provided with a positioning hole (801) for inserting the threaded rod (10), and the threaded rod (10) is threaded with nuts on both sides of the positioning hole (801).

7. The dual-rotation welding positioning and clamping device as described in claim 1, characterized in that: The extension cylinder (9) has a cavity (901) at its axis and first flanges (91) at both ends of the cylinder. The connecting block (12) is provided with a second flange (121) on its inner side; The clamping assembly (8) is detachably connected to the first flange (91) or the second flange (121).

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