Steel straightening device

By designing a steel straightening device with two sets of straightening groups and PLC controller for synchronous control, the problem of steel needing to be straightened multiple times in the existing technology is solved, realizing efficient one-time straightening and convenient installation and replacement, adapting to steel of different diameters.

CN224087628UActive Publication Date: 2026-04-07ZHEJIANG HUAFEI STEEL TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-24
Publication Date
2026-04-07

AI Technical Summary

Technical Problem

Existing straightening devices can only straighten the curved parts on opposite sides of the steel, which may require the same steel piece to be straightened multiple times, reducing processing efficiency.

Method used

A steel straightening device was designed, which uses two sets of first straightening groups and two sets of second straightening groups to squeeze and straighten the upper and lower sides and the left and right sides of the steel respectively. The cylinders are synchronously controlled by a PLC controller to achieve complete straightening in one go.

Benefits of technology

It improves the efficiency of steel straightening, can completely straighten steel in one operation without multiple operations, and is easy to install and replace the straightening unit, adapting to steel of different diameters.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224087628U_ABST
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Abstract

The utility model discloses a steel straightening device, which relates to the technical field of steel straightening and comprises a frame, first cylinders are mounted on the front and rear parts of the upper and lower sides of the frame, and the output ends of the front and rear first cylinders on the same side penetrate through the frame and are jointly connected with a first straightening group. Second air cylinders are installed on the front portions and the rear portions of the left side and the right side of the rack correspondingly. The output ends of the front second air cylinder and the rear second air cylinder located on the same side penetrate through the rack and are jointly connected with a second straightening set. And the PLC is electrically connected with the first air cylinder and the second air cylinder. According to the steel straightening device, the two first straightening groups respectively extrude and straighten the upper side and the lower side of steel, and the two second straightening groups respectively extrude and straighten the left side and the right side of the steel, so that the steel can be completely straightened after being straightened once, repeated operation is not needed, and the steel straightening efficiency is improved; and steel with different diameters can be straightened.
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Description

Technical Field

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

[0002] Steel is a material with specific shapes, dimensions, and properties, made from steel ingots, billets, or steel sheets through pressure processing. Steel is an important category of metal plastic processing products. Of the total steel production, except for a small portion formed by casting and powder metallurgy, the vast majority is plastically processed into steel products. Steel is an essential material for national construction and the realization of modernization, with wide applications and numerous varieties. Based on different cross-sectional shapes, steel is generally divided into four main categories: profiles, plates, pipes, and metal products. Among these, pipes often bend during production and require straightening devices for leveling and straightening.

[0003] Currently, most existing straightening devices can only straighten the curved positions on opposite sides of the steel at a time. Since the bending direction of different parts of the same steel may be different, the same steel may need to pass through the straightening rollers at least twice to be completely straightened, which will reduce the processing efficiency of the steel. Utility Model Content

[0004] The purpose of this invention is to provide a steel straightening device to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a steel straightening device, comprising:

[0006] The frame has two first cylinders installed on the front and rear parts of the upper and lower sides. The output ends of the two first cylinders on the same side pass through the frame and are connected to the first straightening group. The frame also has two second cylinders installed on the front and rear parts of the left and right sides. The output ends of the two second cylinders on the same side pass through the frame and are connected to the second straightening group.

[0007] The PLC controller is electrically connected to the first cylinder and the second cylinder.

[0008] Preferably, the first straightening group and the second straightening group have the same structure. Both the first straightening group and the second straightening group include a support. Multiple straightening wheels are rotatably connected to the support at equal intervals along the length of the support. The steel is straightened by the straightening wheels.

[0009] Preferably, the bracket has positioning grooves on both the front and rear sides of the side away from the straightening wheel. The output ends of the first and second cylinders are fixed with positioning connecting plates. The positioning connecting plates are nested in the corresponding positioning grooves. The positioning connecting plates have multiple positioning holes. The outer wall of the positioning groove is threaded with a screw corresponding to the position of the positioning hole. The tail end of the screw is nested in the positioning hole. The connection between the positioning connecting plates and the bracket is simple, which makes the connection between the first cylinder and the first straightening group simple and convenient, and the connection between the second cylinder and the second straightening group simple and convenient. At the same time, the first and second straightening groups are easy to disassemble, making it convenient to install or replace.

[0010] Preferably, a rotating head is fixed to the outer end of the screw, which facilitates the application of force to the screw, thereby making it easier to drive the screw to rotate.

[0011] Preferably, the front view of the frame is square, and a straightening cavity is provided inside the frame, with the first straightening group and the second straightening group both nested inside the straightening cavity.

[0012] Preferably, the side wall of the frame is provided with multiple openings, which facilitate the installation or disassembly of the first straightening group or the second straightening group.

[0013] Preferably, the bottom of the frame is fixed with multiple support legs to support the frame and make the frame stable.

[0014] The technical effects and advantages provided by this utility model in the above technical solution are as follows:

[0015] 1. By setting up two sets of first straightening groups and two sets of second straightening groups, when straightening steel, the two sets of first straightening groups squeeze and straighten the upper and lower sides of the steel respectively, and the two sets of second straightening groups squeeze and straighten the left and right sides of the steel respectively. This allows the steel to be completely straightened in one operation without the need for multiple operations, thus improving the steel straightening efficiency. At the same time, the distance between the two sets of first straightening groups and the distance between the two sets of second straightening groups are adjustable, thereby enabling the straightening of steel with different diameters.

[0016] 2. By fixing positioning connecting plates at the output ends of both the first and second cylinders, and providing positioning grooves on both the first and second straightening groups, during installation, the positioning grooves are fitted onto the corresponding positioning connecting plates, and the rotating head is rotated to drive the screw into the corresponding positioning holes on the positioning connecting plates. This makes the connection between the first cylinder and the first straightening group simple and convenient, and the connection between the second cylinder and the second straightening group simple and convenient. At the same time, the first and second straightening groups are easy to disassemble, making it convenient to install or replace them. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.

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

[0019] Figure 2 This is a front view of the present invention;

[0020] Figure 3 This is a connection diagram of the first cylinder and the first straightening group of this utility model;

[0021] Figure 4 This is a schematic diagram of the positioning and connecting plate of this utility model;

[0022] Figure 5 This is a schematic diagram of the first straightening assembly of this utility model.

[0023] Explanation of reference numerals in the attached figures:

[0024] 1. Frame; 2. First cylinder; 3. First straightening group; 4. Second cylinder; 5. Second straightening group; 6. PLC controller; 7. Support; 8. Straightening wheel; 9. Positioning connection plate; 10. Positioning hole; 11. Screw; 12. Rotating head; 13. Straightening cavity; 14. Opening; 15. Support leg; 16. Positioning groove. Detailed Implementation

[0025] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0026] This utility model provides, for example Figures 1 to 3 The steel straightening device shown includes:

[0027] The frame 1 has two first cylinders 2 installed on the front and back of the upper and lower sides of the frame 1. The output ends of the two first cylinders 2 located on the same side pass through the frame 1 and are connected to the first straightening group 3. The frame 1 has two second cylinders 4 installed on the front and back of the left and right sides of the frame 1. The output ends of the two second cylinders 4 located on the same side pass through the frame 1 and are connected to the second straightening group 5.

[0028] PLC controller 6 is electrically connected to the first cylinder 2 and the second cylinder 4.

[0029] The first straightening group 3 and the second straightening group 5 have the same structure. Both the first straightening group 3 and the second straightening group 5 include a support 7. Multiple straightening wheels 8 are rotatably connected to the support 7 at equal intervals along the length of the support 7. The steel is straightened by the straightening wheels 8.

[0030] The front view of the frame 1 is square, and a straightening cavity 13 is provided inside the frame 1. The first straightening group 3 and the second straightening group 5 are both nested in the straightening cavity 13.

[0031] Multiple support legs 15 are fixed at the bottom of the frame 1 to support the frame 1 and make the frame 1 stable.

[0032] In this invention, the steel straightening device needs to be used in conjunction with a steel feeding device with adjustable feeding height. When straightening the steel, the steel feeding device feeds the steel into the straightening chamber 13, positioning the steel between two sets of first straightening groups 3 and two sets of second straightening groups 5. The first cylinders 2 on the upper and lower sides of the frame 1 work synchronously, pushing the two sets of first straightening groups 3 closer to the upper and lower sides of the steel, thus squeezing the upper and lower sides of the steel. The second cylinders 4 on the left and right sides of the frame 1 work synchronously, pushing the two sets of second straightening groups 5... The straightening groups 5 are positioned close to the left and right sides of the steel, respectively, and squeeze the left and right sides of the steel. When the steel moves within the straightening cavity 13, the two first straightening groups 3 straighten the upper and lower sides of the steel, and the two second straightening groups 5 straighten the left and right sides of the steel. This allows the steel to be completely straightened in one operation, eliminating the need for multiple operations and improving the straightening efficiency. At the same time, the distance between the two first straightening groups 3 and the distance between the two second straightening groups 5 are adjustable, thus enabling the straightening of steel with different diameters.

[0033] like Figure 1 , Figures 3 to 5 As shown, the bracket 7 has positioning grooves 16 on both the front and rear sides of the side away from the straightening wheel 8. The output ends of the first cylinder 2 and the second cylinder 4 are fixed with positioning connecting plates 9. The positioning connecting plates 9 are nested in the corresponding positioning grooves 16. The positioning connecting plates 9 have multiple positioning holes 10. The outer wall of the positioning groove 16 is threaded with a screw 11 corresponding to the position of the positioning hole 10. The tail end of the screw 11 is nested in the positioning hole 10. The connection between the positioning connecting plates 9 and the bracket 7 is simple, which makes the connection between the first cylinder 2 and the first straightening group 3 simple and convenient, and the connection between the second cylinder 4 and the second straightening group 5 simple and convenient. At the same time, the first straightening group 3 and the second straightening group 5 are easy to disassemble, making it convenient to install or replace.

[0034] A rotating head 12 is fixed to the outer end of the screw 11. The rotating head 12 facilitates the application of force to the screw 11, thereby facilitating the rotation of the screw 11.

[0035] Multiple openings 14 are provided on the side wall of the frame 1, which facilitate the installation or disassembly of the first straightening group 3 or the second straightening group 5.

[0036] In this utility model, when installing the first straightening group 3 and the second straightening group 5, the positioning grooves 16 on the first straightening group 3 and the second straightening group 5 are fitted onto the corresponding positioning connecting plates 9, and the rotating head 12 is rotated to drive the screw 11 to be inserted into the corresponding positioning hole 10 on the positioning connecting plate 9. This makes the connection between the first cylinder 2 and the first straightening group 3 simple and convenient, and the connection between the second cylinder 4 and the second straightening group 5 simple and convenient. At the same time, when disassembling, simply rotate the rotating head 12 in the opposite direction so that the tail end of the screw 11 is disengaged from the corresponding positioning hole 10 on the positioning connecting plate 9, and the first straightening group 3 or the second straightening group 5 can be disassembled. The first straightening group 3 and the second straightening group 5 are quick and easy to install, and can also be quickly disassembled and replaced.

[0037] The foregoing description only illustrates certain exemplary embodiments of the present invention. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A steel straightening device, characterized in that, include: The frame (1) has two first cylinders (2) installed on the front and back parts of the upper and lower sides of the frame (1). The output ends of the two first cylinders (2) located on the same side pass through the frame (1) and are connected to the first straightening group (3). The frame (1) has two second cylinders (4) installed on the front and back parts of the left and right sides of the frame (1). The output ends of the two second cylinders (4) located on the same side pass through the frame (1) and are connected to the second straightening group (5). The PLC controller (6) is electrically connected to the first cylinder (2) and the second cylinder (4).

2. The steel straightening device according to claim 1, characterized in that: The first straightening group (3) and the second straightening group (5) have the same structure. Both the first straightening group (3) and the second straightening group (5) include a bracket (7). Multiple straightening wheels (8) are rotatably connected on the bracket (7) at equal intervals along the length of the bracket (7).

3. The steel straightening device according to claim 2, characterized in that: The bracket (7) has positioning grooves (16) on both the front and rear sides away from the straightening wheel (8). The output ends of the first cylinder (2) and the second cylinder (4) are fixed with positioning connecting plates (9). The positioning connecting plates (9) are nested in the corresponding positioning grooves (16). The positioning connecting plates (9) have multiple positioning holes (10). The outer wall of the positioning groove (16) is threaded with a screw (11) corresponding to the position of the positioning hole (10). The tail end of the screw (11) is nested in the positioning hole (10).

4. A steel straightening device according to claim 3, characterized in that: A rotating head (12) is fixed to the outer end of the screw (11).

5. A steel straightening device according to claim 1, characterized in that: The front view of the frame (1) is square, and a straightening cavity (13) is provided inside the frame (1). The first straightening group (3) and the second straightening group (5) are both nested in the straightening cavity (13).

6. A steel straightening device according to claim 5, characterized in that: The frame (1) has multiple openings (14) on its side wall.

7. A steel straightening device according to claim 1, characterized in that: The bottom of the frame (1) is fixed with multiple support legs (15).