Steel pipe welding and cutting-off anti-shake structure

By employing a bidirectional clamping structure and hydraulic adjustment during the welding and cutting process of steel pipes, the problem of steel pipe vibration was solved, achieving stable clamping and precise docking, thereby improving the accuracy of steel pipe processing and welding quality.

CN223776522UActive Publication Date: 2026-01-09TIANJIN FURENDE STEEL PIPE CO LTD
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Patent Information

Application Number
CN202520252796.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-18
Publication Date
2026-01-09
Estimated Expiration
2035-02-18

AI Technical Summary

Technical Problem

Existing mechanical clamping devices can only clamp steel pipes from one direction, causing the steel pipes to vibrate during welding and cutting, which affects processing accuracy.

Method used

It adopts a fixed clamping structure from two directions, combined with the design of slide rail, limit hole, limit rod, handle, slide bar, locking block and compression spring, and achieves stable clamping and position adjustment of steel pipe through the cooperation of drive component and hydraulic rod.

Benefits of technology

It improves the stability and precision of steel pipe welding and cutting, ensures stable clamping of steel pipes of different lengths, and enhances welding quality and pipe end fitting accuracy.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of steel pipe machining, and discloses a steel pipe welding and cutting anti-shake structure which comprises a workbench, guide rails are fixedly connected to the front side and the rear side of the upper end of the workbench, and the upper ends of the guide rails are connected with two moving seats through driving assemblies. Two first clamping plates are connected to the opposite sides of the upper end of the moving seat through sliding assemblies, sliding rails are fixedly connected to the front side and the rear side of the opposite sides of the upper end of the moving seat, a supporting frame is connected to the upper ends of the sliding rails through limiting assemblies, and a hydraulic rod is fixedly connected to the lower side of the middle of the supporting frame; and the driving end of the hydraulic rod is fixedly connected with a second clamping plate. According to the steel pipe cutting-off device, the stability of a steel pipe during welding and cutting-off is improved through fixing and clamping in two directions, so that the machining precision of the steel pipe is improved, and through the arrangement of the sliding rails, the limiting holes, the limiting rods, the lifting handles, the sliding rods, the clamping blocks and the compression springs, it can be guaranteed that the steel pipes can be kept stable when the steel pipes with different lengths are cut off.
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Description

TECHNICAL FIELD

[0001] The utility model relates to steel pipe processing technical field especially relates to a steel pipe welding cutting anti -shake structure. BACKGROUND

[0002] Steel pipe, with hollow section, its length is far greater than diameter or perimeter steel. According to sectional shape, it is divided into round, square, rectangle and special-shaped steel pipe;According to material, it is divided into carbon structural steel pipe, low alloy structural steel pipe, alloy steel pipe and composite steel pipe;According to production process, it is divided into seamless steel pipe and welded steel pipe, wherein seamless steel pipe is divided into hot rolling and cold rolling (pulling) two, and welded steel pipe is divided into straight seam welded steel pipe and spiral seam welded steel pipe.

[0003] Steel pipe welding cutting operation needs to use mechanical clamping device to press and limit steel pipe, and the existing mechanical clamping device generally only clamps steel pipe from one direction, so that steel pipe shakes during welding cutting operation, causes cutting line burr to be too large, influences the precision of steel pipe processing, for this, aiming at the technical problem, the present application proposes a steel pipe welding cutting anti -shake structure. UTILITARIAN CONTENT

[0004] The utility model aims at solving the shortcoming in prior art and provides a steel pipe welding cutting anti -shake structure, which improves the stability of steel pipe welding cutting through fixing and clamping from two directions, thereby improving the precision of steel pipe processing, and through the setting of slide rail, limiting hole, limiting rod, handle, slide rod, clamping block and compression spring, the stability of steel pipe can be ensured during cutting of steel pipes of different lengths.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A steel pipe welding cutting anti -shake structure, including workbench, the upper end of the workbench is fixedly connected with guide rail on both sides, the upper end of the guide rail is connected with two mobile seats through drive assembly, the upper end of the mobile seat is connected with two first clamping plates through sliding assembly on the opposite side, the upper end of the mobile seat is fixedly connected with slide rail on both sides of the opposite side, the upper end of the slide rail is connected with support frame through limiting component, the middle part of the lower side of the support frame is fixedly connected with hydraulic rod, and the driving end of the hydraulic rod is fixedly connected with second clamping plate.

[0007] Further, the drive assembly includes drive motor fixedly connected to the middle part of the lower end of the workbench, the driving end of the drive motor is fixedly connected with gear, the upper end of the workbench is provided with recess, and the lower end of the gear is rotatably connected in the recess.

[0008] Further, the driving assembly further comprises a rack fixedly connected to the lower end of the moving seat, and the opposite end of the rack is engaged with the outer wall of a gear, and the opposite end of the rack is slidably connected to the inner wall of a groove formed in the middle of the workbench.

[0009] Further, the sliding assembly comprises a sliding groove formed in the upper end of the opposite side of the moving seat, and a bidirectional screw rod is rotatably connected to the front and rear ends of the sliding groove, and a sliding block is threadedly connected to the front and rear sides of the outer wall of the bidirectional screw rod, and the lower end of the sliding block is fixedly connected to the lower end of the first clamping plate, and the lower end of the sliding block is slidably connected to the inner wall of the sliding groove, and a rotating wheel is fixedly connected to the front end of the bidirectional screw rod, and the rear end of the rotating wheel is rotatably connected to the front end of the moving seat.

[0010] Further, the limiting assembly comprises a sliding rod slidably connected to the inside of the front and rear sides of the supporting frame, a handle is fixedly connected to the upper end of the sliding rod, and a clamping block is fixedly connected to the lower end of the sliding rod, and the outer wall of the clamping block is slidably connected to the inside of the lower side of the supporting frame.

[0011] Further, the lower end of the clamping block is fixedly connected to a limiting rod, a compression spring is mounted on the upper end of the clamping block, the compression spring is sleeved on the outer wall of the sliding rod, and the upper end of the compression spring is fixedly connected to the inside of the lower side of the supporting frame.

[0012] Further, the limiting assembly further comprises a plurality of limiting holes formed in the upper end of the sliding rail, and the inner diameter of the limiting hole is matched with the outer diameter of the limiting rod.

[0013] Further, the lower end of the workbench is fixedly connected with supporting legs at four corners.

[0014] The utility model has the advantages of the following:

[0015] 1. In the utility model, the rotating wheel drives the bidirectional screw rod to rotate, and then drives the two first clamping plates to move towards each other, so that the steel pipe is clamped in the front and rear directions, and then the driving end of the hydraulic rod drives the second clamping plate to move downwards, so that the steel pipe is clamped in the up and down directions, and the stability of the steel pipe during welding and cutting is improved, the precision of steel pipe processing is improved, and the position of the supporting frame can be adjusted according to the length of the steel pipe, so that the position of the second clamping plate is adjusted, and the steel pipe can be kept stable during cutting of steel pipes of different lengths.

[0016] 2. In the utility model, the guide rail, the driving motor, the gear and the rack are arranged, the driving motor is started, the driving motor drives the gear to rotate, and then drives the two racks and the moving seat to move towards each other, so that the two steel pipes clamped stably are butt jointed together, so that the accuracy of pipe butt joint during steel pipe welding is ensured, and the quality of pipe welding is improved. Attached Figure Description

[0017] Fig. 1 This is an overall schematic diagram of a steel pipe welding and cutting anti-shake structure proposed in this utility model;

[0018] Fig. 2 This is a schematic diagram of a movable seat for a steel pipe welding and cutting anti-shake structure proposed in this utility model;

[0019] Fig. 3 This is a schematic diagram of the drive component of a steel pipe welding and cutting anti-shake structure proposed in this utility model.

[0020] Legend:

[0021] 1. Workbench; 2. Guide rail; 3. Movable seat; 4. Support frame; 5. Slide rail; 6. First clamping plate; 7. Hydraulic rod; 8. Second clamping plate; 9. Support leg; 10. Drive motor; 11. Rotary wheel; 12. Double-acting lead screw; 13. Slider; 14. Handle; 15. Slide rod; 16. Limiting rod; 17. Locking block; 18. Compression spring; 19. Limiting hole; 20. Gear; 21. Rack. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Reference Figs. 1-3 This utility model provides an embodiment of a steel pipe welding and cutting anti-shaking structure, including a workbench 1. Guide rails 2 are fixedly connected to the front and rear sides of the upper end of the workbench 1. Two movable seats 3 are slidably connected to the upper end of the guide rails 2. A sliding groove is opened on the opposite side of the upper end of each movable seat 3. A bidirectional lead screw 12 is rotatably connected to the front and rear ends of the sliding groove. A slider 13 is threadedly connected to the front and rear sides of the outer wall of the bidirectional lead screw 12. A first clamping plate 6 is fixedly connected to the upper end of the slider 13, and the lower end of the slider 13 is slidably connected to the inner wall of the sliding groove. A rotating wheel 11 is fixedly connected to the front end of the bidirectional lead screw 12, and the rear end of the rotating wheel 11 is rotatably connected to the front end of the movable seat 3. Slide rails 5 are fixedly connected to the front and rear sides of the opposite side of the upper end of the movable seat 3. A support frame 4 is slidably connected to the upper end of the slide rail 5. A hydraulic rod 7 is fixedly connected to the lower side of the middle part of the support frame 4, and a second clamping plate 8 is fixedly connected to the driving end of the hydraulic rod 7.

[0024] Specific, rotating the runner 11, the runner 11 drives the bidirectional screw rod 12 to rotate, and then drives the two sliders 13 to move towards each other, the slider 13 drives the first clamping plate 6 to slide towards each other, and then clamps the steel pipe from the front and rear directions, and then starts the hydraulic rod 7, the driving end of the hydraulic rod 7 drives the second clamping plate 8 to move downward, and then fixes the steel pipe from the top and bottom directions, and through clamping from two directions, the stability of the steel pipe during welding and cutting is improved, and the precision of the steel pipe processing is improved.

[0025] With reference to Figs. 1-3 The front and rear sides of the support frame 4 are slidably connected with slide rods 15, the upper ends of the slide rods 15 are fixedly connected with handles 14, the lower ends of the slide rods 15 are fixedly connected with clamping blocks 17, the outer walls of the clamping blocks 17 are slidably connected with the inner lower sides of the support frame 4, the lower ends of the clamping blocks 17 are fixedly connected with limiting rods 16, the upper ends of the clamping blocks 17 are installed with compression springs 18, the compression springs 18 are sleeved on the outer walls of the slide rods 15, the upper ends of the compression springs 18 are fixedly connected with the inner lower sides of the support frame 4, and the upper ends of the slide rails 5 are provided with a plurality of limiting holes 19.

[0026] Specifically, the handle 14 is pulled, the handle 14 drives the two slide rods 15 to slide upward, and then drives the clamping block 17 to move upward and extrude the compression spring 18, the clamping block 17 drives the limiting rod 16 to move upward, so that the limiting rod 16 is separated from the limiting hole 19, at this time, according to the length of the steel pipe, the support frame 4 is slid to the appropriate position, then the handle 14 is released, the limiting rod 16 moves into the limiting hole 19 under the action of the compression spring 18, and then the support frame 4 is fixed at the appropriate position, by adjusting the position of the support frame 4, the position of the second clamping plate 8 is adjusted, so that the steel pipe can be kept stable when cutting off the steel pipe of different lengths.

[0027] With reference to Figs. 1-3 The lower ends of the four corners of the workbench 1 are fixedly connected with supporting legs 9, the lower middle part of the workbench 1 is fixedly connected with a driving motor 10, the driving end of the driving motor 10 is fixedly connected with a gear 20, the upper middle part of the workbench 1 is provided with a groove, the lower end of the gear 20 is rotatably connected in the groove, the outer wall of the gear 20 is meshingly connected with two racks 21, the upper ends of the two racks 21 are respectively fixedly connected with the lower ends of the left and right two moving seats 3, and the opposite ends of the racks 21 are slidably connected with the inner wall of the groove provided in the middle part of the workbench 1.

[0028] Specifically, the driving motor 10 is started, the driving end of the driving motor 10 drives the gear 20 to rotate, and then drives the two racks 21 to move towards each other, the rack 21 drives the moving seat 3 to move towards each other, and then the two pipe mouths of the clamped stable steel pipes are butt-jointed together, so as to ensure the accuracy of the pipe mouth butt-joint when the steel pipes are welded, and improve the quality of the pipe welding.

[0029] Working principle: in use, first according to the length of the welded cut-off steel pipe, pull the handle 14, the handle 14 drives the slide rod 15 and the clamping block 17 to move upwards, when the clamping block 17 moves upwards, it will extrude the compression spring 18 and drive the limiting rod 16 to slide upwards, in turn make the limiting rod 16 and the limiting hole 19 disengage, at this time, the support frame 4 can be moved to the appropriate position, then start the hydraulic rod 7, the driving end of the hydraulic rod 7 drives the second clamping plate 8 to move downwards, in turn clamps the steel pipe in the up-down direction, then rotate the rotating wheel 11, the rotating wheel 11 drives the bidirectional screw rod 12 to rotate, in turn drives the sliding block 13 and the first clamping plate 6 to move towards each other, so as to clamp the steel pipe in the front-back direction, improve the stability when the steel pipe is welded and cut off, when it is needed to weld two steel pipes, the two steel pipes can be clamped on the two moving seats 3 respectively, then start the driving motor 10, the driving motor 10 drives the gear 20 to rotate, in turn drives the two racks 21 and the moving seats 3 to move towards each other, so that the two clamped stable steel pipe orifices butt joint together, so as to ensure the accuracy of the pipe orifice butt joint when the steel pipe is welded, improve the quality of the pipe welding.

[0030] Finally, it should be noted that: the above only for the preferred embodiments of the utility model have described, and not for limiting the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A steel pipe welding and cutting anti-vibration structure characterized by comprising: The utility model provides a kind of workbench, including workbench (1), the upper end of the workbench (1) is fixedly connected with guide rail (2) on both sides, the upper end of the guide rail (2) is connected with two mobile seats (3) by drive assembly, the upper end of the mobile seat (3) is connected with two first clamping plates (6) by sliding assembly on opposite side, the upper end of the mobile seat (3) is fixedly connected with slide rail (5) on both sides of opposite side, the upper end of the slide rail (5) is connected with support frame (4) by limiting component, the middle lower side of the support frame (4) is fixedly connected with hydraulic rod (7), the drive end of the hydraulic rod (7) is fixedly connected with second clamping plate (8).

2. The steel pipe welding and cutting anti-vibration structure according to claim 1, characterized in that: The drive assembly includes a drive motor (10) fixedly connected to the middle of the lower end of the workbench (1), a gear (20) fixedly connected to the drive end of the drive motor (10), and a recess formed in the middle of the upper end of the workbench (1).

3. The steel pipe welding and cutting anti-vibration structure according to claim 1, characterized in that: The drive assembly further includes a rack (21) fixedly connected to the lower end of the mobile seat (3), which is meshingly connected to the outer wall of the gear (20) on the opposite end, and is slidingly connected to the inner wall of the recess formed in the middle of the workbench (1) on the opposite end.

4. The anti-vibration structure for a welded cut-off of a steel pipe according to claim 1, characterized in that: The sliding assembly includes a sliding groove formed in the upper end of the opposite side of the mobile seat (3), a bidirectional screw rod (12) rotatably connected to the sliding groove on both ends, a sliding block (13) threadedly connected to the outer wall of the bidirectional screw rod (12) on both sides, the upper end of the sliding block (13) fixedly connected to the lower end of the first clamping plate (6), the lower end of the sliding block (13) slidingly connected to the inner wall of the sliding groove, the front end of the bidirectional screw rod (12) fixedly connected with a rotating wheel (11), and the rear end of the rotating wheel (11) rotatably connected to the front end of the mobile seat (3).

5. The anti-vibration structure for a welded cut-off of a steel pipe according to claim 1, characterized in that: The limiting component includes a slide rod (15) slidingly connected inside the support frame (4) on both sides, a handle (14) fixedly connected to the upper end of the slide rod (15), a clamping block (17) fixedly connected to the lower end of the slide rod (15), and the outer wall of the clamping block (17) slidingly connected to the lower side inside the support frame (4).

6. The steel pipe welding and cutting anti-vibration structure according to claim 5, characterized in that: The lower end of the clamping block (17) is fixedly connected with a limiting rod (16), the upper end of the clamping block (17) is provided with a compression spring (18), the compression spring (18) is sleeved on the outer wall of the slide rod (15), and the upper end of the compression spring (18) is fixedly connected to the lower side inside the support frame (4).

7. The structure for preventing vibration of a welded cut end of a steel pipe according to claim 1, wherein: The limiting component further includes a plurality of limiting holes (19) formed in the upper end of the slide rail (5), and the inner diameter of the limiting hole (19) is matched with the outer diameter of the limiting rod (16).

8. The anti-vibration structure for a welded cut-off of a steel pipe according to claim 1, characterized in that: The lower end of the workbench (1) is fixedly connected with a supporting leg (9) on four corners.