Straightening equipment for spiral welded pipe machining

Abstract

The utility model discloses straightening equipment used for spiral welded pipe processing, the edge portion of one movable bedplate is rotatably connected with a limiting rotating disc, the end portion of the output shaft of a movable motor is connected with a sleeve, the distance between the two movable bedplates can be conveniently and synchronously adjusted through a movable groove, a bidirectional screw rod and a driving motor, and therefore the distance between the two movable bedplates can be conveniently adjusted. The spiral welding pipes with different lengths can be placed conveniently, meanwhile, in combination with a sleeve, a limiting screw rod and a limiting arc block which are arranged on the edge of the movable table plate, one end of each spiral welding pipe can be supported conveniently, and meanwhile the other end of each spiral welding pipe is limited and clamped; the two ends of the spiral welded pipe can be stably limited to the inner sides of the two movable platens, the spiral welded pipe can be conveniently driven to rotate by combining the driving effect of a rotating motor, and therefore the bent position of the edge of the spiral welded pipe can be conveniently and effectively detected by a detector, the convenience of the spiral welded pipe in the limiting process is improved, and the working efficiency is improved. And all-directional detection can be carried out conveniently.

Description

Technical Field

[0001] This utility model relates to the field of spiral welded pipe processing technology, specifically a straightening device for spiral welded pipe processing. Background Technology

[0002] Spiral welded pipe is made by rolling low-carbon structural steel or low-alloy structural steel strip into a pipe blank at a certain spiral angle (called the forming angle), and then welding the pipe seam together. It can produce large-diameter steel pipes with narrower steel strips. During the production process, spiral welded pipes may be affected by external forces or other factors, resulting in problems such as bending, twisting or deformation of the pipe. At this time, spiral welded pipe straightening operations are required. Chinese patent discloses an automatic straightening equipment and straightening method for spiral welded pipe processing, application number: 202410813964.1. This patent uses a detection device to detect the rotating spiral welded pipe and transmits the detection result to an external control device through an electrical signal. The external control device controls the straightening mechanism to perform the straightening process.

[0003] Current straightening equipment cannot easily limit the spiral welded pipe, reducing the convenience of limiting the spiral welded pipe before rotation. Furthermore, it cannot be adaptively adjusted according to the length of the spiral welded pipe, further reducing the applicability of the straightening equipment. Utility Model Content

[0004] This utility model provides a straightening device for spiral welded pipe processing, which can effectively solve the problems mentioned in the background art. Current straightening devices cannot conveniently limit the spiral welded pipe, which reduces the convenience of limiting the spiral welded pipe before rotation, and cannot make adaptive adjustments according to the length of the spiral welded pipe, which further reduces the applicability of the straightening device.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a straightening device for processing spiral welded pipes, comprising a straightening worktable, on both sides of the top of the straightening worktable being slidably connected to movable table plates, the top surface of the straightening worktable being symmetrically provided with movable grooves, one movable groove containing a bidirectional screw rod rotatably connected, one end of the bidirectional screw rod being connected to the output end of a drive motor, one movable table plate having a limit turntable rotatably connected to its edge, and another movable table plate having a rotating motor fixedly installed on its edge, the output shaft end of the rotating motor being connected to a sleeve, the edge end of the sleeve being connected to a limit screw rod at equal angles, and the end of the limit screw rod being connected to a limit arc block;

[0006] Support frames are fixedly installed at the four corners of the top of the straightening workbench. Mounting frames are fixedly installed at the back edge of the support frames. Detectors are connected to the ends of the mounting frames. A crossbeam is installed at the top center of the support frame. An adjusting screw is rotatably connected inside the crossbeam, and a sliding block is threadedly connected to the outside of the adjusting screw. A straightening cylinder is fixedly installed at the bottom of the sliding block, and a straightening arc plate is detachably connected to the bottom telescopic end of the straightening cylinder.

[0007] Preferably, both sides of the bottom of the movable platform slide along the movable groove via sliders, and the bidirectional screw is threadedly connected to one of the sliders.

[0008] Preferably, the positions of the limiting turntable and the sleeve are corresponding and concentric in the horizontal direction. A nut seat is provided at the edge of the sleeve corresponding to the limiting screw, and a limiting rotating seat is provided at the edge of the limiting arc block corresponding to the limiting screw. The end of the limiting screw is rotatably connected to the limiting rotating seat.

[0009] Preferably, a moving motor is fixedly installed at the edge of the crossbeam corresponding to the adjusting screw, and a straightening arc groove is provided at the bottom of the straightening arc plate.

[0010] Preferably, a mounting base plate is fixedly installed at the bottom end of the straightening cylinder, a connecting plate is slidably connected to the bottom of the mounting base plate, and the top of the connecting plate is slidably connected to the inner side of the mounting base plate by a connecting block. The straightening arc plate is fixedly installed at the bottom of the connecting plate, and the mounting base plate and the connecting block are limited and connected by a limiting bolt.

[0011] Preferably, the mounting base plate has a T-shaped groove inside, and the connecting plate and connecting block form a convex structure that fits and slides within the T-shaped groove.

[0012] Compared with the prior art, the advantages of this utility model are: the structure of this utility model is scientific and reasonable, and it is safe and convenient to use.

[0013] 1. The distance between the two moving platforms can be easily and synchronously adjusted via the moving slot, bidirectional screw, and drive motor, facilitating the placement of spiral welded pipes of different lengths. Simultaneously, the sleeves, limiting screws, and limiting arc blocks on the edges of the moving platforms provide support for one end of the spiral welded pipe and clamp it to limit its other end. This ensures that both ends of the spiral welded pipe are stably confined within the two moving platforms. Combined with the driving action of the rotation motor, the spiral welded pipe can be easily rotated, allowing the detector to effectively detect the bending position at its edges. This improves the convenience of the spiral welded pipe during the limiting process and facilitates comprehensive inspection.

[0014] 2. By adjusting the screw, the sliding block can be easily driven to slide along the inside of the crossbeam, which facilitates the movement and adjustment of the position of the straightening cylinder. This allows the straightening cylinder and the straightening arc plate at its bottom to straighten different positions on the edge of the spiral welded pipe. Combined with the rotation of the rotating motor to drive the spiral welded pipe to rotate, this facilitates the straightening of any bent position of the spiral welded pipe, improves the straightening range of the straightening cylinder, and avoids situations where straightening is impossible.

[0015] 3. The straightening arc plate can be easily installed at the bottom of the mounting base plate by means of a limiting sliding method through the mounting base plate, and the limiting bolts ensure the stability of the connecting plate, connecting block and straightening arc plate after actual installation. At the same time, this installation method also facilitates the quick disassembly of the straightening arc plate, which is convenient for replacement. This allows the appropriate straightening arc plate to be adjusted according to the diameter of the spiral welded pipe during straightening, so that the straightening arc groove of the straightening arc plate can fit more tightly with the edge of the spiral welded pipe, achieving better straightening treatment of the edge of the spiral welded pipe. Attached Figure Description

[0016] The accompanying drawings are provided to further understand the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation thereof.

[0017] In the attached diagram:

[0018] Figure 1 This is a schematic diagram of the structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the installation structure of the mobile platform of this utility model;

[0020] Figure 3 This is a schematic diagram of the installation structure of the sleeve of this utility model;

[0021] Figure 4 This is a schematic diagram of the straightening cylinder of this utility model;

[0022] Figure 5 This is a schematic diagram of the structure of the straightening arc plate of this utility model;

[0023] The following are the labeling elements in the diagram: 1. Straightening worktable; 2. Moving table; 3. Moving groove; 4. Bidirectional screw; 5. Drive motor; 6. Limiting turntable; 7. Rotating motor; 8. Sleeve; 9. Limiting screw; 10. Limiting arc block; 11. Support frame; 12. Mounting frame; 13. Detector; 14. Crossbeam; 15. Adjusting screw; 16. Sliding block; 17. Straightening cylinder; 18. Mounting base plate; 19. Connecting plate; 20. Connecting block; 21. Straightening arc plate; 22. Limiting bolt. Detailed Implementation

[0024] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.

[0025] Example: Figure 1-5 As shown, this utility model provides a technical solution: a straightening device for spiral welded pipe processing, including a straightening worktable 1. Movable table plates 2 are slidably connected to both sides of the top of the straightening worktable 1. A movable groove 3 is symmetrically opened on the top surface of the straightening worktable 1. A bidirectional screw 4 is rotatably connected within one of the movable grooves 3. The bottom sides of the movable table plates 2 slide along the movable grooves 3 via sliders. The bidirectional screw 4 is threadedly connected to one of the sliders, facilitating simultaneous adjustment of the distance between the two movable table plates 2. One end of the bidirectional screw 4 is connected to the output end of a drive motor 5. A limit turntable 6 is rotatably connected to the edge of one movable table plate 2, and the other movable table plate 2... A rotating motor 7 is fixedly installed at the edge of the device. A sleeve 8 is connected to the output shaft end of the rotating motor 7. A limit screw 9 is connected to the edge of the sleeve 8 at an equal angle. A limit arc block 10 is connected to the end of the limit screw 9. The positions of the limit turntable 6 and the sleeve 8 are corresponding and concentric in the horizontal direction. A nut seat is provided at the edge of the sleeve 8 corresponding to the limit screw 9. A limit rotating seat is provided at the edge of the limit arc block 10 corresponding to the limit screw 9. The end of the limit screw 9 is rotatably connected to the limit rotating seat, which facilitates the placement of spiral welded pipes of different lengths. At the same time, it is convenient to drive the limit arc block 10 to move by rotating the limit screw 9, so as to realize the limit treatment of the end of the spiral welded pipe.

[0026] Support frames 11 are fixedly installed at the four corners of the top of the straightening workbench 1. Mounting frames 12 are fixedly installed at the back edge of the support frames 11. Detectors 13 are connected to the ends of the mounting frames 12. A crossbeam 14 is installed at the top center of the support frame 11. An adjusting screw 15 is rotatably connected inside the crossbeam 14. A sliding block 16 is threadedly connected to the outside of the adjusting screw 15. A straightening cylinder 17 is fixedly installed at the bottom of the sliding block 16. A straightening arc plate 21 is detachably connected to the bottom telescopic end of the straightening cylinder 17. A moving motor is fixedly installed at the edge of the crossbeam 14 corresponding to the adjusting screw 15. A straightening arc groove is opened at the bottom of the straightening arc plate 21 to facilitate the rotation of the adjusting screw 15 and to facilitate the straightening of the spiral welded pipe by the straightening arc plate 21.

[0027] A mounting base plate 18 is fixedly installed at the bottom of the straightening cylinder 17. A connecting plate 19 is slidably connected to the bottom of the mounting base plate 18, and the top of the connecting plate 19 is slidably connected to the inner side of the mounting base plate 18 by a connecting block 20. The straightening arc plate 21 is fixedly installed at the bottom of the connecting plate 19. A T-slot is opened inside the mounting base plate 18. The connecting plate 19 and the connecting block 20 form a convex structure and are slidably connected in the T-slot, which makes it convenient to install the straightening arc plate 21 at the bottom of the mounting base plate 18 in a limited sliding manner. The mounting base plate 18 and the connecting block 20 are limited and connected by a limiting bolt 22.

[0028] The working principle and usage process of this utility model: In the actual straightening process, the straightening equipment for spiral welded pipe processing first lifts the spiral welded pipe horizontally onto the straightening workbench 1 using a hoisting device. Then, one end of the spiral welded pipe is limited to the inside of the limiting turntable 6, and the other end is limited to the inside of the sleeve 8. When the spiral welded pipe is being limited, the distance between the two moving platforms 2 can be adjusted synchronously through the moving groove 3, the bidirectional screw 4, and the drive motor 5, making it easy to place spiral welded pipes of different lengths. At the same time, the sleeve 8, the limiting screw 9, and the limiting arc block 10 set on the side of the moving platform 2 can support one end of the spiral welded pipe and limit and clamp the other end of the spiral welded pipe, so that both ends of the spiral welded pipe can be stably limited to the inside of the two moving platforms 2.

[0029] When detecting the bending position of the edge of the spiral welded pipe, the sleeve 8 and the spiral welded pipe are driven to rotate synchronously by the driving action of the rotating motor 7. Combined with the multiple sets of detectors 13 installed on the edge of the mounting frame 12, the bending position of the edge of the spiral welded pipe can be effectively detected, so as to facilitate all-round detection.

[0030] Before straightening the curved part of the spiral welded pipe, a suitable straightening arc plate 21 needs to be selected. The straightening arc plate 21 can be conveniently installed at the bottom of the mounting base plate 18 by means of the mounting base plate 18, the connecting plate 19, and the connecting block 20. The limiting bolt 22 ensures the stability of the straightening arc plate 21 after actual installation. At the same time, this installation method also facilitates the quick disassembly of the straightening arc plate 21, which makes it easy to replace the straightening arc plate 21. This allows the appropriate straightening arc plate 21 to be effectively adjusted according to the diameter of the spiral welded pipe during straightening, so that the straightening arc groove of the straightening arc plate 21 can fit more tightly with the edge of the spiral welded pipe, thereby achieving better straightening treatment of the edge of the spiral welded pipe.

[0031] During the actual straightening process, the adjusting screw 15 facilitates the sliding block 16 to slide along the inside of the crossbeam 14, thereby making it easier to move and adjust the position of the straightening cylinder 17. This allows the straightening cylinder 17 and the straightening arc plate 21 at its bottom to straighten different positions on the edge of the spiral welded pipe. Combined with the rotation motor 7 driving the spiral welded pipe to rotate, this facilitates the straightening of any bent position of the spiral welded pipe, increases the straightening range of the straightening cylinder 17, and avoids situations where straightening is impossible.

[0032] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A straightening apparatus for the processing of spiral welded pipes, comprising a straightening bench (1), characterized in that: The top of the straightening workbench (1) is slidably connected with a moving table plate (2) on both sides, the top surface of the straightening workbench (1) is symmetrically provided with a moving groove (3), one of the moving grooves (3) is rotatably connected with a bidirectional screw rod (4), one end of the bidirectional screw rod (4) is connected to the output end of a driving motor (5), the edge of one of the moving table plates (2) is rotatably connected with a limiting turntable (6), the edge of the other moving table plate (2) is fixedly installed with a rotating motor (7), the output shaft end of the rotating motor (7) is connected with a sleeve (8), the edge of the sleeve (8) is connected with a limiting screw rod (9) at equal angles, and the end of the limiting screw rod (9) is connected with a limiting arc block (10). The top of the straightening workbench (1) is slidably connected with a moving table plate (2) on both sides, the top surface of the straightening workbench (1) is symmetrically provided with a moving groove (3), one of the moving grooves (3) is rotatably connected with a bidirectional screw rod (4), one end of the bidirectional screw rod (4) is connected to the output end of a driving motor (5), the edge of one of the moving table plates (2) is rotatably connected with a limiting turntable (6), the edge of the other moving table plate (2) is fixedly installed with a rotating motor (7), the output shaft end of the rotating motor (7) is connected with a sleeve (8), the edge of the sleeve (8) is connected with a limiting screw rod (9) at equal angles, and the end of the limiting screw rod (9) is connected with a limiting arc block (10).

2. A straightening apparatus for processing of a spiral welded pipe as claimed in claim 1, wherein: The bottom of the moving table plate (2) is slidably connected with a sliding block along the moving groove (3), and the bidirectional screw rod (4) is threadedly connected with one of the sliding blocks.

3. A straightening apparatus for processing of a spiral welded pipe as claimed in claim 1, wherein: The positions of the limiting turntable (6) and the sleeve (8) correspond to each other, and the two are concentric in the horizontal direction, the edge of the sleeve (8) is provided with a nut seat at the position corresponding to the limiting screw rod (9), and the edge of the limiting arc block (10) is provided with a limiting rotating seat at the position corresponding to the limiting screw rod (9), and the end of the limiting screw rod (9) is rotatably connected in the limiting rotating seat.

4. A straightening apparatus for processing of a spiral welded pipe as claimed in claim 1, wherein: The edge of the cross beam (14) is fixedly installed with a moving motor at the position corresponding to the adjusting screw rod (15), and the bottom of the straightening arc-shaped plate (21) is provided with a straightening arc-shaped groove.

5. A straightening apparatus for processing of a spiral welded pipe as claimed in claim 1, wherein: The bottom of the straightening cylinder (17) is fixedly installed with a mounting bottom plate (18), the bottom of the mounting bottom plate (18) is slidably connected with a connecting plate (19), the top of the connecting plate (19) is limitingly and slidably connected to the inner side of the mounting bottom plate (18) through a connecting block (20), the straightening arc-shaped plate (21) is fixedly installed on the bottom of the connecting plate (19), and the mounting bottom plate (18) and the connecting block (20) are limitingly connected through a limiting bolt (22).

6. A straightening apparatus for processing of a spiral welded pipe as claimed in claim 5, wherein: The inside of the mounting bottom plate (18) is provided with a T-shaped groove, and the connecting plate (19) and the connecting block (20) form a convex structure and are slidably connected in the T-shaped groove.

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