Straightening device for steel pipe production

By designing a straightening device for steel pipe production, which uses a motor-driven conveyor wheel and an arc-shaped straightening wheel to automatically straighten steel pipes, the problem of time-consuming and laborious manual hammering is solved, and efficient steel pipe straightening is achieved.

CN224168404UActive Publication Date: 2026-04-28WUHAN JINHAO METAL PRODUCTS CO LTD +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
WUHAN JINHAO METAL PRODUCTS CO LTD
Filing Date
2025-06-03
Publication Date
2026-04-28

AI Technical Summary

Technical Problem

In existing technologies, the straightening of hollow circular steel pipes mainly relies on manual hammering, which is time-consuming, labor-intensive, and inefficient.

Method used

A straightening device for steel pipe production was designed, comprising a base, a rotating device, a conveying wheel, a moving device, and a straightening wheel. The conveying wheel is driven by a motor to move the steel pipe, and the arc-shaped straightening wheel is used to automatically straighten it.

Benefits of technology

It enables automatic straightening of steel pipes, saving time and effort and significantly improving straightening efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of steel pipe production, and discloses a straightening device for steel pipe production, which comprises a base, the top of the base is fixedly connected with two rotating devices which are symmetrically distributed front and back, and the outer sides of the two rotating devices are fixedly connected with two conveying wheels. The straightening device comprises a base, a moving device is arranged in the base, the outer side of the moving device is fixedly connected with two connecting frames which are symmetrically distributed front and back, the outer sides of the two connecting frames are fixedly connected with a plurality of fixing frames, and the interiors of the fixing frames are rotationally connected with first straightening wheels; the top of the base is fixedly connected with a supporting frame, and the outer side of the supporting frame is fixedly connected with a plurality of third motors. The straightening device for steel pipe production has the advantages that the steel pipe can be automatically straightened, time and labor are saved during straightening, and the straightening efficiency is improved.
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Description

Technical Field

[0001] This utility model relates to the field of steel pipe production, specifically a straightening device for steel pipe production. Background Technology

[0002] Steel pipes are long, hollow or solid tubes made of steel with cross-sections of circular, square, rectangular, etc. They can be classified according to their uses as conveying pipelines, structural pipes, mechanical industry pipes, geological drilling pipes, chemical pipes, etc. Steel pipes are commonly used workpieces in construction. They can be damaged and deformed during use, so they need to be straightened for reuse.

[0003] Currently, the straightening of hollow circular steel pipes still relies on manual hammering, which is time-consuming, labor-intensive, and inefficient. Therefore, a straightening device for steel pipe production is proposed to solve these problems. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this utility model provides a straightening device for steel pipe production. It has the advantages of automatically straightening steel pipes, saving time and labor, and increasing straightening efficiency. It solves the problem that the current method of straightening hollow circular steel pipes still relies on manual hammering, which is not only time-consuming and labor-intensive but also has low straightening efficiency.

[0006] (II) Technical Solution

[0007] The technical solution of this utility model to solve the above-mentioned technical problems is as follows: A straightening device for steel pipe production includes a base. Two rotating devices are fixedly connected to the top of the base and are symmetrically distributed front and back. Two conveying wheels are fixedly connected to the outer sides of the two rotating devices. A moving device is provided inside the base. Two connecting frames are fixedly connected to the outer sides of the moving device and are symmetrically distributed front and back. Multiple fixing frames are fixedly connected to the outer sides of the two connecting frames. A first straightening wheel is rotatably connected inside the multiple fixing frames. A support frame is fixedly connected to the top of the base. Multiple third motors are fixedly connected to the outer sides of the support frame. Second straightening wheels that are rotatably connected to the inner side of the support frame are fixedly connected to the outer sides of the output shafts of the multiple third motors.

[0008] The beneficial effects of this utility model are:

[0009] This straightening device for steel pipe production has the advantages of automatically straightening steel pipes, saving time and labor, and increasing straightening efficiency.

[0010] Based on the above technical solution, the present invention can be further improved as follows.

[0011] Furthermore, each of the rotating devices includes a first motor fixedly connected to the outer side of the base, a first transmission wheel fixedly connected to the outer side of the output shaft of the first motor, a fixed shaft rotatably connected to the outer side of the base, a second transmission wheel fixedly connected to the outer side of the fixed shaft and driven by the first transmission wheel via a transmission belt, and the outer side of the output shaft of the first motor and the outer side of the fixed shaft are respectively fixedly connected to two conveying wheels.

[0012] The advantage of adopting the above-mentioned further scheme is that it enables the two sets of conveying wheels to rotate, so as to move and convey the steel pipe, making it convenient to move the steel pipe to the straightening device.

[0013] Furthermore, the moving device includes a second motor fixedly connected to the outer side of the base. The output shaft of the second motor is fixedly connected to a worm gear rotatably connected to the inside of the base. The inside of the base is rotatably connected to a left-hand screw. The outer side of the left-hand screw is fixedly connected to a worm wheel that meshes with the worm gear. The outer side of the left-hand screw is connected by a threaded drive to two transmission blocks, which are fixedly connected to two connecting frames respectively.

[0014] The advantage of adopting the above-mentioned further solution is that the positions of the first straightening wheels on the front and rear sides can be moved so that they can cooperate with the second straightening wheel to perform the straightening function of the steel pipe.

[0015] Furthermore, the base has a sliding groove inside, and the bottom of each of the two connecting brackets is fixedly connected with a slider that is slidably connected to the two sliding grooves respectively.

[0016] The beneficial effect of adopting the above-mentioned further solution is that it can provide stable support for the two connecting frames and the first straightening wheel above them, and stabilize the movement direction of the connecting frames to prevent them from swaying or deviating.

[0017] Furthermore, the interiors of the plurality of first straightening wheels and the plurality of second straightening wheels are all arranged in an arc shape, and the plurality of first straightening wheels and the plurality of second straightening wheels are all arranged with a wider outer surface and a narrower inner surface.

[0018] The beneficial effect of adopting the above-mentioned further solution is that it can adapt to the shape and curvature of the steel pipe, making it convenient for the steel pipe to pass through while preventing the steel pipe from shifting or falling off.

[0019] Furthermore, the plurality of first straightening wheels are located between each pair of adjacent second straightening wheels, and the plurality of first straightening wheels and the plurality of second straightening wheels are respectively distributed perpendicularly.

[0020] The beneficial effect of adopting the above-mentioned further scheme is that it can straighten the steel pipe from top to bottom and front to back, and the multiple straightening wheels work together to facilitate the straightening operation of long steel pipes. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the front structure of this utility model;

[0022] Figure 2 This is a schematic diagram of the rotating device structure of this utility model;

[0023] Figure 3 This is a schematic diagram of the structure of the mobile device of this utility model;

[0024] Figure 4 This is a schematic diagram of the second straightening wheel structure of this utility model.

[0025] In the diagram: 1. Base; 2. Rotating device; 21. First motor; 22. First transmission wheel; 23. Fixed shaft; 24. Second transmission wheel; 3. Conveying wheel; 4. Moving device; 41. Second motor; 42. Worm gear; 43. Left and right helical screw; 44. Worm wheel; 45. Transmission block; 5. Connecting frame; 6. Fixed frame; 7. First straightening wheel; 8. Support frame; 9. Third motor; 10. Second straightening wheel; 11. Slider. Detailed Implementation

[0026] 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.

[0027] In the embodiments, by Figure 1-4 A straightening device for steel pipe production is provided. The present invention includes a base 1, two rotating devices 2 symmetrically distributed front and back are fixedly connected to the top of the base 1, two conveying wheels 3 are fixedly connected to the outer side of each of the two rotating devices 2, a moving device 4 is provided inside the base 1, two connecting frames 5 symmetrically distributed front and back are fixedly connected to the outer side of the moving device 4, multiple fixing frames 6 are fixedly connected to the outer side of each of the two connecting frames 5, a first straightening wheel 7 is rotatably connected inside the multiple fixing frames 6, a support frame 8 is fixedly connected to the top of the base 1, multiple third motors 9 are fixedly connected to the outer side of the support frame 8, and a second straightening wheel 10 rotatably connected to the outer side of the output shaft of each of the multiple third motors 9 is fixedly connected to the outer side of the output shaft of the multiple third motors 9.

[0028] The single rotating device 2 includes a first motor 21 fixedly connected to the outside of the base 1. A first transmission wheel 22 is fixedly connected to the outside of the output shaft of the first motor 21. A fixed shaft 23 is rotatably connected to the outside of the base 1. A second transmission wheel 24 is fixedly connected to the outside of the fixed shaft 23 and is connected to the first transmission wheel 22 via a transmission belt. The outside of the output shaft of the first motor 21 and the outside of the fixed shaft 23 are respectively fixedly connected to two conveying wheels 3.

[0029] In this embodiment, during actual use, when the first motor 21 is started, the first transmission wheel 22 will rotate, and under the action of the transmission belt, the second transmission wheel 24 will rotate, thereby causing the fixed shaft 23 inside the second transmission wheel 24 to rotate. Under the action of the fixed shaft 23 and the first motor 21, the two sets of conveying wheels 3 above it will simultaneously drive the steel pipe to move to the right for conveying. Rubber pads can be added inside the conveying wheels 3 to increase the limiting friction force on the steel pipe, making the conveying of the steel pipe more stable and less prone to slippage.

[0030] The moving device 4 includes a second motor 41 fixedly connected to the outside of the base 1. The output shaft of the second motor 41 is fixedly connected to a worm gear 42 rotatably connected to the inside of the base 1. The inside of the base 1 is rotatably connected to a left-hand screw 43. The outside of the left-hand screw 43 is fixedly connected to a worm wheel 44 that meshes with the worm gear 42. The outside of the left-hand screw 43 is connected by a threaded drive to two transmission blocks 45, which are fixedly connected to two connecting frames 5 respectively.

[0031] In this embodiment, during actual use, the start of the second motor 41 will drive the worm gear 42 to rotate, and through meshing with the worm wheel 44, the left and right helical screw 43 in the base 1 will rotate. Under the action of the thread, the two transmission blocks 45 on the outer side of the left and right helical screw 43 will drive the two connecting frames 5 to move, so as to adjust the position of the first straightening wheel 7 on the outer side of the connecting frame 5, so as to facilitate the straightening of the steel pipe.

[0032] The base 1 has a groove inside, and the bottom of the two connecting brackets 5 are fixedly connected to sliders 11 that are slidably connected to the two grooves respectively.

[0033] In this embodiment, during actual use, as the two connecting frames 5 move, the slider 11 slides in the groove. The groove is parallel to the direction of the left and right screw rods 43, and the slider 11 provides more stable support for the connecting frame 5.

[0034] Among them, the interiors of the multiple first straight wheels 7 and the multiple second straight wheels 10 are all arranged in an arc shape, and the multiple first straight wheels 7 and the multiple second straight wheels 10 are all arranged with a wider outer side and a narrower inner side.

[0035] In this embodiment, during actual use, the arc shape of the two straightening wheels is adapted to the corresponding shape of the steel pipe. The steel pipe is located at the narrow part of the straightening wheel, and its wide side prevents the steel pipe from shifting and falling off.

[0036] Among them, multiple first straight wheels 7 are located between two adjacent second straight wheels 10, and the multiple first straight wheels 7 and multiple second straight wheels 10 are distributed perpendicularly.

[0037] In this embodiment, during actual use, multiple first straightening wheels 7 and multiple second straightening wheels 10 are arranged sequentially, with the multiple first straightening wheels 7 arranged longitudinally and the multiple second straightening wheels 10 arranged laterally, so as to limit and straighten the steel pipe at different positions.

[0038] Working principle:

[0039] When straightening the steel pipe, the steel pipe can first be inserted between the two sets of conveying wheels 3, and straightened by the second straightening wheel 10 parallel to it. The first straightening wheels 7 of the front and rear sets should maintain an equal distance from the upper and lower second straightening wheels 10 under the adjustment and movement of the second motor 41. After the steel pipe is inserted between the first straightening wheel 7 and the second straightening wheel 10, it will be squeezed and straightened. The third motor 9 can drive the second straightening wheel 10 to rotate, so that the steel pipe moves to the right. The straightened steel pipe will extend from the right side.

[0040] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0041] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A straightening device for steel pipe production, comprising a base (1), characterized in that: The top of the base (1) is fixedly connected to two rotating devices (2) that are symmetrically distributed front and back. Two conveying wheels (3) are fixedly connected to the outer side of each of the two rotating devices (2). The base (1) is provided with a moving device (4). Two connecting frames (5) that are symmetrically distributed front and back are fixedly connected to the outer side of the moving device (4). Multiple fixing frames (6) are fixedly connected to the outer side of each of the two connecting frames (5). A first straightening wheel (7) is rotatably connected to the inner side of each of the multiple fixing frames (6). The top of the base (1) is fixedly connected to a support frame (8). Multiple third motors (9) are fixedly connected to the outer side of the support frame (8). A second straightening wheel (10) that is rotatably connected to the inner side of the support frame (8) is fixedly connected to the outer side of the output shaft of each of the multiple third motors (9).

2. The straightening device for steel pipe production according to claim 1, characterized in that: Each of the rotating devices (2) includes a first motor (21) fixedly connected to the outside of the base (1), a first transmission wheel (22) fixedly connected to the outside of the output shaft of the first motor (21), a fixed shaft (23) rotatably connected to the outside of the base (1), a second transmission wheel (24) fixedly connected to the outside of the fixed shaft (23) and connected to the first transmission wheel (22) via a transmission belt, and the outside of the output shaft of the first motor (21) and the outside of the fixed shaft (23) are respectively fixedly connected to two conveying wheels (3).

3. The straightening device for steel pipe production according to claim 1, characterized in that: The moving device (4) includes a second motor (41) fixedly connected to the outside of the base (1). The output shaft of the second motor (41) is fixedly connected to a worm (42) rotatably connected to the inside of the base (1). The inside of the base (1) is rotatably connected to a left-hand screw (43). The outside of the left-hand screw (43) is fixedly connected to a worm wheel (44) that meshes with the worm (42). The outside of the left-hand screw (43) is connected by a threaded transmission to two transmission blocks (45) that are fixedly connected to two connecting frames (5) respectively.

4. A straightening device for steel pipe production according to claim 1, characterized in that: The base (1) has a sliding groove inside, and the bottom of the two connecting brackets (5) is fixedly connected with sliders (11) that are slidably connected to the two sliding grooves respectively.

5. A straightening device for steel pipe production according to claim 1, characterized in that: The interiors of the plurality of first straightening wheels (7) and the plurality of second straightening wheels (10) are all arranged in an arc shape, and the plurality of first straightening wheels (7) and the plurality of second straightening wheels (10) are all arranged with a wider outer side and a narrower inner side.

6. A straightening device for steel pipe production according to claim 1, characterized in that: Multiple first straightening wheels (7) are located between two adjacent second straightening wheels (10), and the multiple first straightening wheels (7) and the multiple second straightening wheels (10) are respectively vertically distributed.