High-precision steel pipe straightening device

Abstract

The utility model relates to the technical field of steel pipe production, and discloses a high-precision steel pipe straightening device which comprises a workbench, the top of the workbench is fixedly connected with an anti-explosion shell, a moving assembly is arranged in the anti-explosion shell, and a rotating assembly is arranged at the top of the workbench; the moving assembly comprises a gear motor, an output shaft of the gear motor is fixedly connected with a lead screw through a coupler, and the outer wall of the lead screw is in threaded connection with a moving frame. The high-precision steel pipe straightening device is provided with the gear motor, the lead screw, the moving frame, the sliding groove, the guide rail, the hydraulic machine, the clamp and the straightening head, transverse movement of the moving frame can be achieved through work of the gear motor, the moving frame moves more stably on the guide rail, the guide rail supports the moving frame, and the moving frame moves to drive the hydraulic machine to move; and different positions on the steel pipe workpiece can be straightened through movement of the hydraulic machine, and the requirements of people are met.

Description

Technical Field

[0001] The utility model relates to the technical field of steel pipe production, in particular to a high-precision steel pipe straightening device. Background Technique

[0002] In the process of steel pipe manufacturing and processing, due to the influence of various factors such as raw materials, heat treatment, transportation, etc., the steel pipe often has different degrees of bending or twisting deformation. This kind of deformation not only affects the appearance quality of the steel pipe, but more importantly, it will affect its service performance, such as fluid transportation efficiency, structural bearing capacity, etc. Therefore, straightening the steel pipe is an indispensable process in the steel pipe manufacturing and processing process.

[0003] The prior art patent document with the publication number CN216262789U provides a high-precision straightening device for stainless steel seamless steel pipe production. When in use, loosen the fixing nut, move the stabilizing plate and the supporting rollers through the threaded rod, so that the distance between the supporting rollers is equal to two-thirds of the diameter of the steel pipe. At the same time, the middle position between the supporting rollers is aligned with the middle position of the groove, which is convenient for adjusting the distance between the supporting rollers according to the diameter of the steel pipe, improving the processing accuracy of the straightening device and ensuring the quality of the steel pipe.

[0004] In the above-mentioned prior art, although the straightening plate is pushed downward by a hydraulic press so that the groove is clamped above the steel pipe, and the steel pipe is straightened by the straightening plate, when in use, the position of the hydraulic press is fixed, and it can only straighten one place of the steel pipe, and cannot straighten different positions of the steel pipe by moving, which cannot meet people's needs. Therefore, we need a high-precision steel pipe straightening device. Content of the Utility Model

[0005] The purpose of the utility model is to provide a high-precision steel pipe straightening device to solve the problems put forward in the above background technique.

[0006] To solve the above technical problems, the utility model provides the following technical solution: A high-precision steel pipe straightening device, including a workbench, the top of the workbench is fixedly connected with an explosion-proof housing, and a moving component is arranged inside the explosion-proof housing, and a rotating component is arranged on the top of the workbench;

[0007] The moving component includes a reduction motor, the output shaft of the reduction motor is fixedly connected with a lead screw through a coupling, the outer wall of the lead screw is threadedly connected with a moving frame, a chute is arranged on the outer wall of the moving frame, a guide rail is slidably connected to the inner wall of the chute, a hydraulic press is installed on the top of the moving frame, and a clamp is arranged at one end of the hydraulic press, and a straightening head is detachably connected to the inner wall of the clamp;

[0008] The rotating assembly includes a fixed frame, and a fixed motor is installed on the outer wall of the fixed frame. The output shaft of the fixed motor is fixedly connected to a rotating shaft through a coupling, and a driving wheel is fixedly connected to the outer wall of the rotating shaft. A driven wheel is rotatably connected to the outer wall of the fixed frame, and a mounting frame is fixedly connected to the outer wall of the fixed frame. An electric telescopic rod is installed on the top of the mounting frame, and a connecting frame is fixedly connected to one end of the electric telescopic rod. A roller is rotatably connected to the outer wall of the connecting frame.

[0009] Preferably, a support frame is fixedly connected to the top of the workbench, and a placement groove is opened at the top of the support frame. A protective door is hinged to the outer wall of the explosion-proof housing.

[0010] Preferably, the reduction motor and the moving frame form a moving structure through a lead screw, and one end of the lead screw threadedly penetrates the moving frame.

[0011] Preferably, the number of guide rails is two, and the two guide rails are symmetrically arranged in the explosion-proof housing.

[0012] Preferably, the moving frame and the guide rail form a sliding structure through a sliding groove, and the inner wall of the sliding groove fits with the outer wall of the guide rail.

[0013] Preferably, the fixed frame and the rotating shaft form a rotating structure through the fixed motor, and one end of the fixed motor extends into the fixed frame to be connected to the rotating shaft.

[0014] Preferably, the number of rollers is two, and the two rollers are symmetrically arranged on the connecting frame.

[0015] Compared with the prior art, the beneficial effects achieved by the present utility model are as follows:

[0016] First, the present utility model is provided with a reduction motor, a lead screw, a moving frame, a sliding groove, a guide rail, a hydraulic press, a fixture and a straightening head. By the operation of the reduction motor, the lateral movement of the moving frame can be realized. The moving frame moves more stably on the guide rail, and the guide rail supports the moving frame. The movement of the moving frame can drive the hydraulic press to move, and different positions on the steel pipe workpiece can be straightened by the movement of the hydraulic press, meeting people's needs.

[0017] Second, the present utility model is provided with a fixed frame, a fixed motor, a rotating shaft, a driving wheel, a driven wheel, a mounting frame, an electric telescopic rod, a connecting frame and rollers. By the operation of the fixed motor, the driving wheel can be rotated, so that the steel pipe workpiece rotates. The steel pipe workpiece is limited by the two driven wheels, making the rotation of the steel pipe workpiece more stable. Through the setting of the support frame, the steel pipe workpiece can be well supported. By rotating the steel pipe workpiece, the place to be straightened can be turned to the top, facilitating the straightening head to press down on the steel pipe workpiece for straightening. Description of the Drawings

[0018] Figure 1 This is the front view structural schematic diagram of the present utility model;

[0019] Figure 2 This is the structural schematic diagram of the lead screw and the moving frame of the present utility model;

[0020] Figure 3 This is the structural schematic diagram of the moving frame and the guide rail of the present utility model;

[0021] Figure 4 This is the structural schematic diagram of the driving wheel and the driven wheel of the present utility model;

[0022] Figure 5 This is the structural schematic diagram of the support frame and the placement groove of the present utility model.

[0023] Wherein: 1, workbench; 2, explosion-proof housing; 3, moving assembly; 301, reduction motor; 302, lead screw; 303, moving frame; 304, chute; 305, guide rail; 306, hydraulic press; 307, fixture; 308, straightening head; 4, rotating assembly; 401, fixed frame; 402, fixed motor; 403, rotating shaft; 404, driving wheel; 405, driven wheel; 406, mounting frame; 407, electric telescopic rod; 408, connecting frame; 409, roller; 5, support frame; 6, placement groove; 7, protective door. Specific embodiments

[0024] 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. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0025] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5, A high-precision steel pipe straightening device, including a workbench 1. A explosion-proof housing 2 is fixedly connected to the top of the workbench 1, and a moving component 3 is arranged inside the explosion-proof housing 2. A rotating component 4 is arranged on the top of the workbench 1; The moving component 3 includes a reduction motor 301, and the output shaft of the reduction motor 301 is fixedly connected to a lead screw 302 through a coupling. A moving frame 303 is threadedly connected to the outer wall of the lead screw 302, and a sliding groove 304 is opened on the outer wall of the moving frame 303. A guide rail 305 is slidably connected to the inner wall of the sliding groove 304. A hydraulic press 306 is installed on the top of the moving frame 303, and a fixture 307 is arranged at one end of the hydraulic press 306. A straightening head 308 is detachably connected to the inner wall of the fixture 307; The rotating component 4 includes a fixed frame 401, and a fixed motor 402 is installed on the outer wall of the fixed frame 401. The output shaft of the fixed motor 402 is fixedly connected to a rotating shaft 403 through a coupling, and a driving wheel 404 is fixedly connected to the outer wall of the rotating shaft 403. A driven wheel 405 is rotatably connected to the outer wall of the fixed frame 401, and a mounting frame 406 is fixedly connected to the outer wall of the fixed frame 401. An electric telescopic rod 407 is installed on the top of the mounting frame 406, and a connecting frame 408 is fixedly connected to one end of the electric telescopic rod 407. A roller 409 is rotatably connected to the outer wall of the connecting frame 408.

[0026] Through the above technical solution, by the operation of the reduction motor 301, the lateral movement of the moving frame 303 can be realized. The moving frame 303 moves more stably on the guide rail 305. The guide rail 305 supports the moving frame 303. The movement of the moving frame 303 can drive the hydraulic press 306 to move. By the movement of the hydraulic press 306, different positions on the steel pipe workpiece can be straightened to meet people's needs; By the operation of the fixed motor 402, the driving wheel 404 can be rotated, so that the steel pipe workpiece rotates. Through the two driven wheels 405 to limit the steel pipe workpiece, the steel pipe workpiece rotates more stably. Through the setting of the support frame 5, the steel pipe workpiece can be well supported. By rotating the steel pipe workpiece, the place to be straightened can be turned to the top, which is convenient for the straightening head 308 to press down the steel pipe workpiece to straighten it.

[0027] Specifically, a support frame 5 is fixedly connected to the top of the workbench 1, and a placement groove 6 is opened on the top of the support frame 5. A protective door 7 is hinged to the outer wall of the explosion-proof housing 2.

[0028] Through the above technical solution, the number of the support frames 5 is two or more. The support frames 5 can well support the steel pipe workpiece through the placement groove 6. By setting the explosion-proof housing 2 and the protective door 7, it can prevent external objects from damaging the equipment when not in use.

[0029] Specifically, the reduction motor 301 and the moving frame 303 form a moving structure through the lead screw 302, and one end of the lead screw 302 threadedly penetrates the moving frame 303.

[0030] Through the above technical solution, the connection effect between the reduction motor 301, the lead screw 302 and the moving frame 303 is strengthened. One end of the lead screw 302 is provided with a bearing, and when the lead screw 302 rotates, it rotates more stably by relying on the bearing.

[0031] Specifically, the number of guide rails 305 is two, and the two guide rails 305 are symmetrically arranged inside the explosion-proof shell 2.

[0032] Through the above technical solution, by providing two guide rails 305, the moving frame 303 can be well supported. When the moving frame 303 moves, the moving frame 303 moves more stably on the two guide rails 305.

[0033] Specifically, the moving frame 303 and the guide rail 305 form a sliding structure through the chute 304, and the inner wall of the chute 304 is attached to the outer wall of the guide rail 305.

[0034] Through the above technical solution, the connection effect between the moving frame 303, the chute 304 and the guide rail 305 is strengthened. When the moving frame 303 moves, it moves more stably on the guide rail 305 by relying on the chute 304.

[0035] Specifically, the fixed frame 401 and the rotating shaft 403 form a rotating structure through the fixed motor 402, and one end of the fixed motor 402 extends into the fixed frame 401 to be connected with the rotating shaft 403.

[0036] Through the above technical solution, the connection effect between the fixed frame 401, the fixed motor 402 and the rotating shaft 403 is strengthened. When the fixed motor 402 rotates, it can drive the rotating shaft 403 to rotate well, and the driving wheel 404 rotates by the rotation of the rotating shaft 403.

[0037] Specifically, the number of rollers 409 is two, and the two rollers 409 are symmetrically arranged on the connecting frame 408.

[0038] Through the above technical solution, by providing two rollers 409, the steel pipe workpiece can be well limited, preventing the steel pipe workpiece from falling off the support frame 5, strengthening the stability and facilitating the straightening work.

[0039] In use, first connect an external power supply to this device, and the external power supply powers this device. Open the protective door 7, place the steel pipe workpiece to be straightened in the placement groove 6 of the support frame 5. One end of the steel pipe workpiece is located between the driving wheel 404 and the driven wheel 405, and the other end is also located between the driving wheel 404 and the driven wheel 405 on the other side. Through the operation of the electric telescopic rod 407, drive the connecting frame 408 to move downward. The connecting frame 408 drives the roller 409 to move downward, and the two rollers 409 move downward to limit the steel pipe workpiece. Through the operation of the reduction motor 301, drive the lead screw 302 to rotate, so that the moving frame 303 moves. The moving frame 303 moves more stably on the guide rail 305 through the chute 304. The moving frame 303 drives the hydraulic press 306 to move, the hydraulic press 306 drives the fixture 307 to move, and the fixture 307 drives the straightening head 308 to move. The straightening head 308 moves to the place on the steel pipe workpiece that needs to be straightened. Through the operation of the hydraulic press 306, the straightening head 308 moves downward to press and straighten the place on the steel pipe workpiece that needs to be straightened. When straightening another place, through the operation of the fixed motor 402, drive the rotating shaft 403 to rotate. The rotating shaft 403 drives the driving wheel 404 to rotate. Through the rotation of the driving wheel 404, drive the steel pipe workpiece to rotate. When the steel pipe workpiece rotates, the driven wheel 405 and the roller 409 both rotate, making the rotation of the steel pipe workpiece smoother. After the place that needs to be straightened on the steel pipe workpiece rotates to the top, the fixed motor 402 stops working, and just straighten this place with the straightening head 308. This completes all the work. The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0040] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope is defined by the appended claims and their equivalents.

Claims

1. A high-precision steel pipe straightening device, comprising a workbench (1), characterized in that: The top of the workbench (1) is fixedly connected to an explosion-proof housing (2), a moving component (3) is arranged inside the explosion-proof housing (2), and a rotating component (4) is arranged on the top of the workbench (1); The moving assembly (3) comprises a reduction motor (301), and the output shaft of the reduction motor (301) is fixedly connected to a screw rod (302) via a coupling, the outer wall of the screw rod (302) is threadedly connected to a moving frame (303), and the outer wall of the moving frame (303) is provided with a slide groove (304), the inner wall of the slide groove (304) is slidably connected to a guide rail (305), a hydraulic press (306) is installed on the top of the moving frame (303), and a clamp (307) is provided at one end of the hydraulic press (306), and the inner wall of the clamp (307) is detachably connected to a straightening head (308); The rotating assembly (4) comprises a fixed frame (401), and a fixed motor (402) is installed on the outer wall of the fixed frame (401), the output shaft of the fixed motor (402) is fixedly connected to a rotating shaft (403) via a coupling, and the outer wall of the rotating shaft (403) is fixedly connected to a driving wheel (404), the outer wall of the fixed frame (401) is rotatably connected to a driven wheel (405), and the outer wall of the fixed frame (401) is fixedly connected to a mounting frame (406), an electric telescopic rod (407) is installed on the top of the mounting frame (406), and one end of the electric telescopic rod (407) is fixedly connected to a connecting frame (408), and the outer wall of the connecting frame (408) is rotatably connected to a roller (409).

2. A high-precision steel pipe straightening device according to claim 1, characterized in that: The top of the workbench (1) is fixedly connected to a support frame (5), and a placement groove (6) is provided on the top of the support frame (5); and a protective door (7) is hingedly connected to the outer wall of the explosion-proof housing (2).

3. A high-precision steel pipe straightening device according to claim 1, characterized in that: The reduction motor (301) forms a moving structure through a screw rod (302) and a moving frame (303), and one end of the screw rod (302) is threadedly passed through the moving frame (303).

4. A high-precision steel pipe straightening device according to claim 1, characterized in that: The number of the guide rails (305) is two, and the two guide rails (305) are symmetrically arranged in the explosion-proof housing (2).

5. The high-precision steel pipe straightening device according to claim 1, characterized in that: The movable frame (303) forms a sliding structure through the sliding groove (304) and the guide rail (305), and the inner wall of the sliding groove (304) is in contact with the outer wall of the guide rail (305).

6. A high-precision steel pipe straightening device according to claim 1, characterized in that: The fixed frame (401) forms a rotating structure through a fixed motor (402) and a rotating shaft (403), and one end of the fixed motor (402) extends into the fixed frame (401) and is connected to the rotating shaft (403).

7. A high-precision steel pipe straightening device according to claim 1, characterized in that: The number of the rollers (409) is two, and the two rollers (409) are symmetrically arranged on the connecting frame (408).

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