Straightening machine for steel pipe production

By designing a combined structure of fixed shaft and clamping plate, combined with motor and hydraulic system, uniform fixation of steel pipe is achieved, solving the problem of uneven force during steel pipe straightening process, and improving production efficiency and product quality.

CN223352604UActive Publication Date: 2025-09-19SHANDONG LIAOCHENG SIMLES MATERIALS CO LTD
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Patent Information

Application Number
CN202422809184.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-18
Publication Date
2025-09-19
Estimated Expiration
2034-11-18

AI Technical Summary

Technical Problem

The existing straightening machine cannot be effectively fixed during the steel pipe straightening process, resulting in uneven stress on the steel pipe, easy deformation, and increased repair costs.

Method used

A straightening machine structure including a fixed shaft, a fixed part, a sliding rod, a moving part, a deflection arm and a clamping plate was designed. The steel pipe was clamped and fixed from the inside out by the moving block and the deflection arm driven by the sleeve and the motor, and the height and position of the straightening part were adjusted by the hydraulic cylinder and the telescopic rod to ensure uniform force.

Benefits of technology

It effectively avoids deformation caused by uneven force during steel pipe straightening, reduces repair costs, and improves the stability and quality of steel pipe production.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of steel pipe production equipment, and particularly relates to a straightening machine for steel pipe production, which comprises a fixed shaft, a fixed part fixedly connected to the outer surface of the fixed shaft, a sliding rod fixedly connected to the upper surface of the fixed part, a movable part fixedly connected to the outer surface of the sliding rod, and a first deflection arm movably mounted on the side wall of the movable part. A second deflection arm is movably installed on the side wall of the fixing part, clamping plates are movably installed at the ends, away from the fixing shaft, of the first deflection arm and the second deflection arm, a connecting part is fixedly connected between every two adjacent moving parts, a moving rod is arranged above each connecting part, and a limiting shaft is fixedly connected to the lower surface of each moving rod; and a connecting piece is movably mounted on the outer surface of the limiting shaft. The steel pipe straightening device is reasonable in structure, the steel pipe can be better fixed, the steel pipe is prevented from being deformed due to uneven stress during straightening, and the repair cost is prevented from being increased.
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Description

Technical Field

[0001] The utility model belongs to the technical field of steel pipe production equipment, in particular to a straightening machine used for steel pipe production. Background Art

[0002] Straightening can be performed by hand, spot straightening, or roller straightening. Straighteners, especially spot straightening machines, play a key role in the steel pipe production process. Traditional straightening of steel pipe bends relies heavily on manual labor, resulting in low efficiency and inconsistent results. Spot straightening machines precisely locate the bend point and apply the appropriate pressure to efficiently and accurately straighten the steel pipe, thereby improving production quality.

[0003] However, in the prior art, when using a straightening machine to straighten the steel pipe, the steel pipe cannot be fixed well, which makes the steel pipe easily deflected during the straightening process, resulting in uneven local force on the steel pipe and deformation, increasing the repair cost. Summary of the Invention

[0004] The utility model aims to provide a straightening machine for steel pipe production, which can better fix the steel pipe and avoid deformation of the steel pipe due to uneven force during straightening, thereby avoiding increasing repair costs.

[0005] 7. The swiftly and minutely adjusting device for a wood-planer working table as claimed in claim 1, wherein said linking rod and said adjusting base are pivotally connected to each other with a bolt, and said bolt has a round shank to contact with said linking rod.

[0006] Optionally, an anti-slip groove is provided on the outer surface of the sleeve, and the number of the anti-slip grooves is multiple.

[0007] Optionally, a workbench is provided below the fixed shaft, the upper surface of the workbench is fixedly connected to the first mounting bracket, and the upper surface of the workbench is fixedly connected to the support plate.

[0008] Optionally, the upper surface of the workbench is fixedly connected to a first motor, the output end of the first motor is fixedly connected to a first threaded shaft, the outer surface of the first threaded shaft is threadedly connected to a first moving block, the side wall of the first moving block is fixedly connected to a connecting arm, the side wall of the first moving block is fixedly connected to a stabilizing arm, and the end of the stabilizing arm away from the first moving block is fixedly connected to the lower surface of the connecting arm.

[0009] Optionally, the upper surface of the connecting arm is fixedly connected to the second motor, the lower surface of the second motor is fixedly connected to the rotating shaft, and the lower surface of the rotating shaft is fixedly connected to the fixed shaft.

[0010] Optionally, the upper surface of the workbench is fixedly connected to a second mounting bracket, the upper surface of the workbench is fixedly connected to a third motor, the output end of the third motor is fixedly connected to a second threaded shaft, the outer surface of the second threaded shaft is threadedly connected to a second moving block, the inner surface of the second moving block is fixedly connected to a hydraulic cylinder, the rear side of the hydraulic cylinder is fixedly connected to a telescopic rod, and the end of the telescopic rod away from the hydraulic cylinder is fixedly connected to a straightening piece.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] The utility model is provided with a sleeve, a first movable block, a movable ring, a movable rod, a connecting member, a movable member, a first deflection arm, a second deflection arm, a clamping plate, and a fixed shaft. When it is necessary to fix the steel pipe, the sleeve is twisted to drive the first movable block downward, thereby driving the movable ring and the movable rod downward, and then driving the connecting member and the movable member downward, causing the first deflection arm and the second deflection arm to deflect, thereby causing the clamping plate to gradually move away from the fixed shaft, clamping and fixing the steel pipe from the inside out. The utility model can better fix the steel pipe, avoid deformation caused by uneven force during straightening of the steel pipe, and avoid increasing repair costs.

[0013] The utility model is provided with a first motor, a first threaded shaft, a first moving block and a connecting arm. When the first motor is working, the output end of the first motor drives the first threaded shaft to rotate, thereby driving the first moving block and the connecting arm to move up and down, and then controlling the clamping mechanism to move up and down, which is convenient for adjusting the position.

[0014] The utility model is provided with a rotating shaft, a second motor, a fixed shaft, a straightening piece and a clamping plate. When the second motor is working, the output end of the second motor drives the rotating shaft to rotate, thereby driving the fixed shaft and the clamping plate to rotate, thereby facilitating the adjustment of the contact position between the steel pipe and the straightening piece.

[0015] The utility model is provided with a third motor, a second threaded shaft, a second moving block, a hydraulic cylinder, a straightening piece and a telescopic rod. When the third motor is working, the output end of the third motor drives the second threaded shaft to rotate, thereby driving the second moving block and the hydraulic cylinder to move up and down, and then the height of the straightening piece can be adjusted; when the hydraulic cylinder is working, it drives the telescopic rod to extend and retract, thereby controlling whether the straightening piece straightens the steel pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments or descriptions of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 2 This is a schematic diagram of a sectional three-dimensional structure of the utility model;

[0019] Figure 3 For this utility model Figure 2 Schematic diagram of the enlarged structure at A in the middle;

[0020] Figure 4 For this utility model Figure 2 Schematic diagram of the enlarged structure at B in the middle;

[0021] Figure 5 It is a schematic diagram of a partially cutaway three-dimensional structure of the present invention.

[0022] In the figure: 1. fixed shaft; 2. fixed part; 3. sliding rod; 4. moving part; 5. first deflection arm; 6. second deflection arm; 7. clamping plate; 8. connecting part; 9. moving rod; 10. limiting shaft; 11. limiting block; 12. moving ring; 13. sleeve; 14. anti-slip groove; 15. workbench; 16. first mounting bracket; 17. first motor; 18. first threaded shaft; 19. first moving block; 20. connecting arm; 21. second motor; 22. rotating shaft; 23. stabilizing arm; 24. second mounting bracket; 25. third motor; 26. second threaded shaft; 27. second moving block; 28. hydraulic cylinder; 29. ​​telescopic rod; 30. straightening part; 31. supporting plate. DETAILED DESCRIPTION

[0023] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0024] It should be noted that when an element is referred to as being “fixed on” or “disposed on” another element, it may be directly on the other element or indirectly on the other element. When an element is referred to as being “connected to” another element, it may be directly connected to the other element or indirectly connected to the other element.

[0025] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0026] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of this utility model, "plurality" means two or more, unless otherwise specifically defined.

[0027] Reference Figure 1-5Now, a straightening machine for steel pipe production provided by an embodiment of the present invention is described. A straightening machine for steel pipe production includes a fixed shaft 1, a fixed part 2 is fixedly connected to the outer surface of the fixed shaft 1, and the number of the fixed parts 2 is four. A sliding rod 3 is fixedly connected to the upper surface of the fixed part 2, and a moving part 4 is fixedly connected to the outer surface of the sliding rod 3, and the number of the moving parts 4 is four. A first deflection arm 5 is movably installed on the side wall of the moving part 4, and a second deflection arm 6 is movably installed on the side wall of the fixed part 2. A clamping plate 7 is movably installed at one end of the first deflection arm 5 and the second deflection arm 6 away from the fixed shaft 1. Connecting parts 8 are fixedly connected between adjacent moving parts 4. When it is necessary to fix the steel pipe, the sleeve 13 is screwed to drive the first moving block 19 to move downward. , thereby driving the moving ring 12 and the moving rod 9 to move downward, and then driving the connecting member 8 and the moving member 4 to move downward, so that the first deflection arm 5 and the second deflection arm 6 are deflected, so that the clamping plate 7 gradually moves away from the fixed shaft 1, clamping and fixing the steel pipe from the inside to the outside; a moving rod 9 is provided above the connecting member 8, and the lower surface of the moving rod 9 is fixedly connected to the limiting shaft 10, and the outer surface of the limiting shaft 10 is movably installed with the connecting member 8, and the lower surface of the limiting shaft 10 is fixedly connected to the limiting block 11, the upper surface of the moving rod 9 is fixedly connected to the moving ring 12, the outer surface of the fixed shaft 1 is threadedly connected to the sleeve 13, and the lower surface of the sleeve 13 is movably installed with the moving ring 12.

[0028] The utility model provides a straightening machine for steel pipe production, which can better fix the steel pipe compared with the prior art, and avoid deformation of the steel pipe due to uneven force during straightening, thereby avoiding increased repair costs.

[0029] In another embodiment of the present invention, please refer to Figures 1 to 5, the outer surface of the sleeve 13 is provided with an anti-slip groove 14, and the number of the anti-slip grooves 14 is multiple. The anti-slip grooves 14 can make the sleeve 13 easier to rotate and avoid slipping during the rotation process. A workbench 15 is provided below the fixed shaft 1, and the upper surface of the workbench 15 is fixedly connected to the first mounting bracket 16, and the upper surface of the workbench 15 is fixedly connected to the supporting plate 31. The upper surface of the workbench 15 is fixedly connected to the first motor 17. When the first motor 17 is working, the output end of the first motor 17 drives the first threaded shaft 18 to rotate, thereby driving the first moving block 19 and the connecting arm 20 to move up and down, and then controlling the clamping mechanism to move up and down, which is convenient for position adjustment; the output end of the first motor 17 is fixedly connected to the first threaded shaft 18, and the first threaded shaft 18 is fixedly connected to the first screw shaft 18. The outer surface of the corrugated shaft 18 is threadedly connected to the first moving block 19, and the side wall of the first moving block 19 is fixedly connected to the connecting arm 20, and the side wall of the first moving block 19 is fixedly connected to the stabilizing arm 23. The stabilizing arm 23 can make the connecting arm 20 more stable. The end of the stabilizing arm 23 away from the first moving block 19 is fixedly connected to the lower surface of the connecting arm 20, and the upper surface of the connecting arm 20 is fixedly connected to the second motor 21, and the lower surface of the second motor 21 is fixedly connected to the rotating shaft 22, and the lower surface of the rotating shaft 22 is fixedly connected to the fixed shaft 1. When the second motor 21 is working, the output end of the second motor 21 drives the rotating shaft 22 to rotate, thereby driving the fixed shaft 1 and the clamping plate 7 to rotate, thereby facilitating the adjustment of the contact position between the steel pipe and the straightening member 30.

[0030] In another embodiment of the present invention, please refer to Figures 1 to 5 The upper surface of the workbench 15 is fixedly connected to a second mounting bracket 24, and the upper surface of the workbench 15 is fixedly connected to a third motor 25. When the third motor 25 is working, the output end of the third motor 25 drives the second threaded shaft 26 to rotate, thereby driving the second moving block 27 and the hydraulic cylinder 28 to move up and down, so that the height of the straightening part 30 can be adjusted. The output end of the third motor 25 is fixedly connected to the second threaded shaft 26, and the outer surface of the second threaded shaft 26 is threadedly connected to the second moving block 27, and the inner surface of the second moving block 27 is fixedly connected to the hydraulic cylinder 28. The rear side of the hydraulic cylinder 28 is fixedly connected to a telescopic rod 29. When the hydraulic cylinder 28 is working, it drives the telescopic rod 29 to extend and retract, thereby controlling whether the straightening part 30 straightens the steel pipe. The end of the telescopic rod 29 away from the hydraulic cylinder 28 is fixedly connected to the straightening part 30.

[0031] Working principle: When the steel pipe needs to be fixed, the sleeve 13 is screwed to drive the first moving block 19 to move downward, thereby driving the moving ring 12 and the moving rod 9 to move downward, and then driving the connecting part 8 and the moving part 4 to move downward, so that the first deflection arm 5 and the second deflection arm 6 are deflected, so that the clamping plate 7 gradually moves away from the fixed shaft 1, clamping and fixing the steel pipe from the inside to the outside.

[0032] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A straightening machine for steel pipe production, comprising a fixed shaft (1), characterized in that: The outer surface of the fixed shaft (1) is fixedly connected with a fixing part (2), the number of the fixing parts (2) is four, the upper surface of the fixing part (2) is fixedly connected with a sliding rod (3), the outer surface of the sliding rod (3) is fixedly connected with a moving part (4), the number of the moving parts (4) is four, the side wall of the moving part (4) is movably mounted with a first deflection arm (5), the side wall of the fixed part (2) is movably mounted with a second deflection arm (6), the first deflection arm (5) and the second deflection arm (6) are movably mounted with a clamping plate (7) at one end away from the fixed shaft (1), and the adjacent A connecting member (8) is fixedly connected between the moving members (4), a moving rod (9) is arranged above the connecting member (8), the lower surface of the moving rod (9) is fixedly connected to a limiting shaft (10), the outer surface of the limiting shaft (10) is movably mounted with the connecting member (8), the lower surface of the limiting shaft (10) is fixedly connected to a limiting block (11), the upper surface of the moving rod (9) is fixedly connected to a moving ring (12), the outer surface of the fixed shaft (1) is threadedly connected to a sleeve (13), and the lower surface of the sleeve (13) is movably mounted with the moving ring (12).

2. The straightening machine for steel pipe production according to claim 1, characterized in that: The outer surface of the sleeve (13) is provided with anti-slip grooves (14), and the number of the anti-slip grooves (14) is multiple.

3. The straightening machine for steel pipe production according to claim 1, characterized in that: A workbench (15) is provided below the fixed shaft (1), the upper surface of the workbench (15) is fixedly connected to a first mounting frame (16), and the upper surface of the workbench (15) is fixedly connected to a support plate (31).

4. The straightening machine for steel pipe production according to claim 3, characterized in that: The upper surface of the workbench (15) is fixedly connected to a first motor (17), the output end of the first motor (17) is fixedly connected to a first threaded shaft (18), the outer surface of the first threaded shaft (18) is threadedly connected to a first moving block (19), the side wall of the first moving block (19) is fixedly connected to a connecting arm (20), the side wall of the first moving block (19) is fixedly connected to a stabilizing arm (23), and one end of the stabilizing arm (23) away from the first moving block (19) is fixedly connected to the lower surface of the connecting arm (20).

5. The straightening machine for steel pipe production according to claim 4, characterized in that: The upper surface of the connecting arm (20) is fixedly connected to a second motor (21), the lower surface of the second motor (21) is fixedly connected to a rotating shaft (22), and the lower surface of the rotating shaft (22) is fixedly connected to a fixed shaft (1).

6. The straightening machine for steel pipe production according to claim 5, characterized in that: The upper surface of the workbench (15) is fixedly connected to a second mounting bracket (24), the upper surface of the workbench (15) is fixedly connected to a third motor (25), the output end of the third motor (25) is fixedly connected to a second threaded shaft (26), the outer surface of the second threaded shaft (26) is threadedly connected to a second moving block (27), the inner surface of the second moving block (27) is fixedly connected to a hydraulic cylinder (28), the rear side of the hydraulic cylinder (28) is fixedly connected to a telescopic rod (29), and the end of the telescopic rod (29) away from the hydraulic cylinder (28) is fixedly connected to a straightening member (30).