Annealed steel pipe straightening equipment

Abstract

The utility model belongs to the field of steel pipes, particularly relates to annealed steel pipe straightening equipment, and aims to solve the problems that the outer wall of a steel pipe cannot be cleaned by the existing straightening equipment, impurities attached to the outer wall can be extruded by direct straightening, indentations are easily formed on the outer wall of the steel pipe, the overall processing time is increased by increasing a cleaning procedure, and the production efficiency is high. According to the technical scheme, the steel pipe positioning device comprises a bottom plate, and a positioning pipe is fixedly arranged on the surface of the bottom plate and used for positioning a steel pipe; the vertical plate is fixedly arranged on the surface of the bottom plate, two rows of rotating shafts rotationally penetrate through one side of the vertical plate, and straightening rollers are fixedly arranged at one ends of the rotating shafts. Impurities on the outer wall of a steel pipe can be rapidly cleaned before straightening, the problem that indentations are caused on the outer wall of the steel pipe is avoided, time is saved, the machining efficiency is improved, and the production cost is reduced. And the cleaning brush can be conveniently replaced by people, so that the cleaning effect is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of steel pipes, in particular to a straightening device for annealed steel pipes. Background Art

[0002] A steel pipe has a hollow cross-section, and its length is much greater than its diameter or circumference. Using steel pipes to manufacture highway bridges can not only save steel, simplify construction, but also greatly reduce the area of the protective layer, saving investment and maintenance costs. After annealing, the steel pipe needs to be straightened. However, the existing straightening devices have the following deficiencies when in use:

[0003] 1. The straightening device cannot clean the outer wall of the steel pipe. Direct straightening will squeeze the impurities attached to the outer wall, easily causing indentations on the outer wall of the steel pipe. Adding a cleaning process will increase the overall processing time and reduce efficiency.

[0004] Therefore, we propose a straightening device for annealed steel pipes. Content of the Utility Model

[0005] The purpose of the utility model is to solve the shortcomings in the prior art that the straightening device cannot clean the outer wall of the steel pipe, direct straightening will squeeze the impurities attached to the outer wall, easily causing indentations on the outer wall of the steel pipe, adding a cleaning process will increase the overall processing time and reduce efficiency, and to propose a straightening device for annealed steel pipes.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A straightening device for annealed steel pipes, comprising:

[0008] A bottom plate, on the surface of which a positioning pipe is fixedly arranged for positioning the steel pipe;

[0009] A vertical plate, which is fixedly arranged on the surface of the bottom plate. On one side of the vertical plate, two rows of rotating shafts penetrate through it in a rotating manner, and straightening rollers are fixedly arranged at one ends of the rotating shafts;

[0010] An L-shaped plate, which is fixedly arranged on the surface of the bottom plate. On one side of the L-shaped plate, a movable frame penetrates through it in a rotating manner. At least two fixed cylinders are fixedly arranged on the inner wall of the movable frame, and annular cleaning brushes are installed on the inner walls of the fixed cylinders;

[0011] Two first driving mechanisms, both of which are arranged on one side of the vertical plate for providing power to the rotating shafts;

[0012] A second driving mechanism, which is arranged on the surface of the L-shaped plate for providing power to the movable frame.

[0013] In a possible design, the first driving mechanism includes a U-shaped plate and a plurality of first synchronous wheels. The U-shaped plate is fixed on one side of the vertical plate. A first motor is fixed on an inner wall of one side of the U-shaped plate. The output shaft of the first motor is fixed to one of the rotating shafts. The plurality of first synchronous wheels are respectively fixed on the outer walls of the plurality of rotating shafts. A first synchronous belt is transmission-connected between two adjacent first synchronous wheels.

[0014] In a possible design, the second driving mechanism includes a second motor, which is fixed on the surface of the L-shaped plate. One end of the second motor output shaft and the outer wall of the movable frame are fixed with a second synchronous wheel, and a second synchronous belt is connected between the two second synchronous wheels.

[0015] In a possible design, the outer wall of the cleaning brush is provided with two symmetrically arranged limit grooves, the outer wall of the fixed cylinder slides through a limit rod, the limit rod and the limit groove cooperate with each other, and a tension spring is fixed between the limit rod and the fixed cylinder.

[0016] In a possible design, the inner wall of the fixed cylinder is integrally formed with two symmetrically arranged positioning strips, and the outer wall of the cleaning brush is provided with two positioning grooves, and the positioning strips and the positioning grooves cooperate with each other.

[0017] In a possible design, two placement grooves are provided on the surface of the bottom plate, and collection boxes are provided in the two placement grooves.

[0018] In the present application, when in use, the first motor is started, and the first motor drives one of the rotating shafts and the straightening roller to rotate. Under the action of the first synchronous wheel and the first synchronous belt, multiple straightening rollers rotate synchronously. Then the second motor is started, and under the action of the second synchronous wheel and the second synchronous belt, the second motor drives the movable frame to rotate, the movable frame drives the fixed cylinder to rotate, and the fixed cylinder drives the cleaning brush to rotate. Then the annealed steel pipe passes through the positioning tube and the cleaning brush, and the cleaning brush cleans the outer wall of the steel pipe. The cleaned impurities fall into the collection box, and the cleaned steel pipe enters between the straightening rollers for straightening. Beneficial Effects

[0019] In the utility model, the annealed steel pipe straightening device can quickly clean the impurities on the outer wall of the steel pipe before straightening through the arrangement of multiple structures such as an L-shaped plate, a movable frame and a cleaning brush, thereby avoiding the problem of indentation on the outer wall of the steel pipe, saving time and improving processing efficiency.

[0020] In the utility model, the annealed steel pipe straightening device can facilitate people to replace the cleaning brush through the arrangement of the limit groove, the limit rod and the tension spring, thereby ensuring the cleaning effect;

[0021] In the present utility model, impurities on the outer wall of the steel pipe can be quickly cleaned before straightening, avoiding the problem of causing indentations on the outer wall of the steel pipe, saving time, improving processing efficiency, facilitating the replacement of the cleaning brush by people, and ensuring the cleaning effect. Brief Description of the Drawings

[0022] Figure 1 Fig. is an overall three-dimensional structure diagram of a straightening device for annealed steel pipes proposed by the present utility model;

[0023] Figure 2 Fig. is an overall three-dimensional structure diagram of a straightening device for annealed steel pipes proposed by the present utility model from another angle;

[0024] Figure 3 Fig. is a structure diagram of the second driving mechanism, movable frame, fixed cylinder and cleaning brush of a straightening device for annealed steel pipes proposed by the present utility model;

[0025] Figure 4 Fig. is a structure diagram after the cleaning brush and the fixed cylinder of a straightening device for annealed steel pipes proposed by the present utility model are separated.

[0026] In the figure: 1, bottom plate; 2, positioning pipe; 3, vertical plate; 4, rotating shaft; 5, straightening roller; 6, L-shaped plate; 7, movable frame; 8, fixed cylinder; 9, cleaning brush; 10, U-shaped plate; 11, first motor; 12, first synchronous pulley; 13, first synchronous belt; 14, second motor; 15, second synchronous pulley; 16, second synchronous belt; 17, limiting groove; 18, limiting rod; 19, tension spring; 20, positioning strip; 21, positioning groove; 22, collection box. Detailed Embodiment

[0027] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Embodiment

[0028] Refer to Figures 1 - 4 , a straightening device, including:

[0029] Bottom plate 1, on the surface of which a positioning pipe 2 is fixedly arranged for positioning the steel pipe to ensure the stability and accuracy of the steel pipe during cleaning and straightening;

[0030] Vertical plate 3, fixedly arranged on the surface of bottom plate 1, on one side of which two rows of rotating shafts 4 are rotatably penetrated, and straightening rollers 5 are fixedly arranged at one ends of the rotating shafts 4, and the straightening rollers 5 can straighten the steel pipe to ensure the straightness of the steel pipe;

[0031] An L-shaped plate 6 is fixed on the surface of the bottom plate 1. A movable frame 7 is rotatably penetrated on one side of the L-shaped plate 6. At least two fixed cylinders 8 are fixed on the inner wall of the movable frame 7. An annular cleaning brush 9 is installed on the inner wall of the fixed cylinder 8. When the steel pipe passes through, the cleaning brush 9 will clean the outer wall of the steel pipe to remove impurities on the surface.

[0032] Two first driving mechanisms, both of which are arranged on one side of the vertical plate 3, are used to provide power for the rotating shaft 4, the first driving mechanism includes a U-shaped plate 10 and a plurality of first synchronous wheels 12, the U-shaped plate 10 is fixedly arranged on one side of the vertical plate 3, a first motor 11 is fixedly arranged on the inner wall of one side of the U-shaped plate 10, the output shaft of the first motor 11 is fixed to one of the rotating shafts 4, the plurality of first synchronous wheels 12 are respectively fixedly arranged on the outer walls of the plurality of rotating shafts 4, and a first synchronous belt 13 is transmission-connected between two adjacent first synchronous wheels 12, when the first motor 11 rotates, it will drive the rotating shaft 4 connected thereto to rotate, and then drive the plurality of rotating shafts 4 to rotate synchronously;

[0033] The second driving mechanism is arranged on the surface of the L-shaped plate 6, and is used to provide power for the movable frame 7. The second driving mechanism includes a second motor 14. The second motor 14 is fixed on the surface of the L-shaped plate 6. One end of the output shaft of the second motor 14 and the outer wall of the movable frame 7 are fixed with a second synchronous wheel 15. A second synchronous belt 16 is connected between the two second synchronous wheels 15. When the second motor 14 rotates, it can drive the movable frame 8 to rotate, and then drive the cleaning brush 9 to clean the steel pipe.

[0034] The present application can be used in the steel pipe field, and can also be used in other fields applicable to the present application. Example

[0035] An improved annealed steel pipe straightening device based on Example 1, which is applied to the steel pipe field;

[0036] In another aspect of this embodiment, the outer wall of the cleaning brush 9 is provided with two symmetrically arranged limiting grooves 17, the outer wall of the fixed cylinder 8 slides through a limiting rod 18, the limiting rod 18 and the limiting groove 17 cooperate, and a tension spring 19 is fixed between the limiting rod 18 and the fixed cylinder 8. When the cleaning brush 9 is inserted into the fixed cylinder 8, the limiting rod 18 and the limiting groove 17 cooperate to fix the cleaning brush 9 to prevent it from shaking during the cleaning process. At the same time, a tension spring 19 is fixed between the limiting rod 18 and the fixed cylinder 8, and the elastic force of the tension spring 19 can ensure that the limiting rod 18 is always tightly matched with the limiting groove 17.

[0037] In another aspect of this embodiment, two symmetrically arranged positioning strips 20 are integrally formed on the inner walls of the fixed cylinder 8. Two positioning grooves 21 are formed on the outer walls of the cleaning brush 9. The positioning strips 20 and the positioning grooves 21 are matched with each other. The positioning strip 20 cooperating with the positioning groove 21 can position the cleaning brush 9, so that the limiting rod 18 can be quickly docked with the limiting groove 17, facilitating the installation of the cleaning brush 9 by people.

[0038] In another aspect of this embodiment, two placement grooves are formed on the surface of the bottom plate 1. Collection boxes 22 are arranged in both of the two placement grooves. When the cleaning brush 9 cleans the steel pipe, the fallen impurities will fall into the collection boxes 22, facilitating subsequent cleaning and processing.

[0039] However, as is well known to those skilled in the art, the working principles and wiring methods of the first motor 11 and the second motor 14 are common knowledge. They both belong to conventional means or well-known common sense, and will not be elaborated here. Those skilled in the art can make arbitrary selections according to their needs or convenience.

[0040] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and the inventive concept of the present invention, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. A straightening device for annealed steel pipes, characterized in that: include: A bottom plate (1), wherein a positioning tube (2) is fixedly provided on the surface of the bottom plate (1) for positioning the steel tube; A vertical plate (3), wherein the vertical plate (3) is fixedly mounted on the surface of the bottom plate (1), and two rows of rotating shafts (4) are rotatably penetrated on one side of the vertical plate (3), and a straightening roller (5) is fixedly mounted on one end of the rotating shaft (4); An L-shaped plate (6) fixedly mounted on the surface of the bottom plate (1), a movable frame (7) rotatably passing through one side of the L-shaped plate (6), at least two fixed cylinders (8) fixedly mounted on the inner wall of the movable frame (7), and an annular cleaning brush (9) mounted on the inner wall of each fixed cylinder (8); Two first driving mechanisms, both of which are arranged on one side of the vertical plate (3) and are used to provide power for the rotating shaft (4); A second driving mechanism, the second driving mechanism is arranged on the surface of the L-shaped plate (6) and is used to provide power for the movable frame (7).

2. The annealed steel pipe straightening equipment according to claim 1, characterized in that: The first driving mechanism comprises a U-shaped plate (10) and a plurality of first synchronous wheels (12); the U-shaped plate (10) is fixedly mounted on one side of the vertical plate (3); a first motor (11) is fixedly mounted on an inner wall of one side of the U-shaped plate (10); an output shaft of the first motor (11) is fixedly mounted on one of the rotating shafts (4); the plurality of first synchronous wheels (12) are respectively fixedly mounted on outer walls of the plurality of rotating shafts (4); and a first synchronous belt (13) is drivingly connected between two adjacent first synchronous wheels (12).

3. The annealed steel pipe straightening equipment according to claim 2, characterized in that: The second driving mechanism comprises a second motor (14), the second motor (14) being fixedly mounted on the surface of the L-shaped plate (6), one end of the output shaft of the second motor (14) and the outer wall of the movable frame (7) being fixedly mounted with a second synchronous wheel (15), and a second synchronous belt (16) being transmission-connected between the two second synchronous wheels (15).

4. The annealed steel pipe straightening device according to claim 3, characterized in that: The outer wall of the cleaning brush (9) is provided with two symmetrically arranged limit grooves (17); a limit rod (18) is slidably passed through the outer wall of the fixed cylinder (8); the limit rod (18) and the limit groove (17) cooperate with each other; a tension spring (19) is fixedly arranged between the limit rod (18) and the fixed cylinder (8).

5. The annealed steel pipe straightening device according to claim 4, characterized in that: The inner wall of the fixed cylinder (8) is integrally formed with two symmetrically arranged positioning strips (20), and the outer wall of the cleaning brush (9) is provided with two positioning grooves (21), and the positioning strips (20) and the positioning grooves (21) cooperate with each other.

6. The annealed steel pipe straightening device according to claim 5, characterized in that: The surface of the bottom plate (1) is provided with two placement grooves, and a collection box (22) is provided in each of the two placement grooves.

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