A straightening device for clean seamless pipes
By combining horizontal and vertical moving plates with cylinders and motors, the problem of multi-position movement and circumferential rotation correction of clean seamless tubes in existing straightening devices has been solved, improving the straightening efficiency and accuracy.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHEJIANG PURUI PIPE IND CO LTD
- Filing Date
- 2025-08-01
- Publication Date
- 2026-06-26
AI Technical Summary
Existing straightening devices are not convenient for easy multi-position movement and adjustment of clean seamless tubes, which affects the range and accuracy of movement of the straightening device when straightening clean seamless tubes, resulting in low straightening efficiency.
The design employs a combination of horizontal and vertical moving plates, cylinders, and motors. By driving the horizontal and vertical gears with stepper motors and servo motors, the multi-position movement adjustment of the straightening blocks is achieved. Combined with a power motor and belt drive system, the circumferential rotation straightening of the clean seamless tube is realized.
The straightening device has improved the straightening efficiency of clean seamless tubes, increased the flexibility and accuracy of the straightening range, and achieved efficient multi-position straightening of clean seamless tubes.
Smart Images
Figure CN224406095U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of straightening device technology, specifically a straightening device for a clean, seamless tube. Background Technology
[0002] Seamless steel pipe is a long strip of steel with a hollow cross-section and no seams around its perimeter. During the reprocessing of seamless steel pipes, bent sections need to be straightened to meet usage requirements. Current straightening devices require manual adjustment of the seamless pipe's position, and the efficiency of the straightening operation needs improvement.
[0003] For example, the straightening device for seamless pipes disclosed in patent announcement number CN219924167U belongs to the field of steel pipe straightening technology. It includes a base plate, on the outer surface of which a hydraulic cylinder is fixedly mounted. The output end of the hydraulic cylinder is fixedly connected to a mounting plate. A lower clamping plate is fixedly connected to the outer surface of the mounting plate. A worktable is mounted on the outside of the base plate. A rotating shaft is rotatably connected inside the worktable. A power mechanism is mounted outside the rotating shaft. A support column is fixedly connected to the outer surface of the base plate. A horizontal plate is fixedly connected to the outer surface of the support column. An adjustment mechanism is mounted outside the horizontal plate.
[0004] Although it achieves the goal of making it very convenient to place seamless tubes by setting up components such as hydraulic cylinder one, power mechanism and adjustment mechanism, hydraulic cylinder one can control the up and down movement of the lower clamping plate, power mechanism can control the rotation of seamless tubes, and adjustment mechanism can control the alignment of seamless tubes, it solves the problem of the troublesome placement of seamless tubes when straightening multiple seamless tubes.
[0005] However, this does not solve the problem that existing straightening devices of this type are generally not conducive to convenient multi-position movement and adjustment of clean seamless tubes during use. This affects the range of movement of the straightening device when straightening clean seamless tubes, making it inconvenient to accurately move to the designated position for correction, inconvenient for the straightening device to adjust the position of the clean seamless tube by circumferential rotation, and inconvenient for the clean seamless tube to perform multi-position efficient correction by self-rotation, thus affecting the straightening efficiency of the straightening device for clean seamless tubes. Utility Model Content
[0006] The purpose of this utility model is to provide a straightening device for clean seamless tubes, so as to solve the problems mentioned in the background art, which are that the straightening device is not convenient for multi-position movement adjustment and straightening of clean seamless tubes, which affects the movement range of the straightening device when straightening clean seamless tubes, is not convenient for precise movement to the designated position for straightening, is not convenient for the straightening device to adjust the position of the clean seamless tube by circumferential rotation, and is not convenient for the clean seamless tube to perform multi-position efficient straightening by self-rotation, thus affecting the straightening efficiency of the straightening device for clean seamless tubes.
[0007] To achieve the above objectives, this utility model provides the following technical solution: a straightening device for a clean seamless tube, comprising a base plate and a support frame. The support frame is provided on the outside of the base plate. Connecting frames are symmetrically installed on the outer walls of both sides of the support frame, and the connecting frames are all connected to the base plate. A support seat is installed at the top of the base plate on one side of the connecting frame. Slide rails are symmetrically installed on the outer walls of the support frame. A transverse moving plate is slidably installed at the bottom end of the support frame. A longitudinal moving plate is installed on the outer wall of the transverse moving plate. A cylinder is slidably installed at the bottom end of the longitudinal moving plate. A push rod is installed at the output end of the cylinder. A straightening block is installed at the bottom end of the push rod. A sliding groove is provided at the bottom end of the support frame. A transverse rack is installed at the bottom end of the support frame on one side of the sliding groove. A stepper motor is installed at the bottom end of the transverse moving plate. A transverse gear is installed at the output end of the stepper motor, and the transverse gear meshes with the transverse rack.
[0008] Preferably, each of the transverse moving plates has symmetrically installed sliding wheels on its outer wall near the slide rail, and the sliding wheels are slidably connected to the slide rail. The longitudinal moving plate has a sliding frame slidably installed inside, and the sliding frame is connected to the cylinder.
[0009] Preferably, a longitudinal rack is installed inside the longitudinal moving plate on one side of the sliding frame, and a servo motor is installed at the bottom of the sliding frame.
[0010] Preferably, the output end of the servo motor is equipped with a longitudinal gear, and the longitudinal gear meshes with a longitudinal rack.
[0011] Preferably, each of the support bases has a shaft seat symmetrically installed at its top, a power motor is installed inside each support base, a rotating pulley is installed at the output end of each power motor, and a belt is fitted onto the surface of each rotating pulley.
[0012] Preferably, each of the bearing seats has a hollow rotating shaft movably mounted inside, and the hollow rotating shaft extends to the outside of the bearing seat.
[0013] Preferably, a hollow driven pulley is fitted onto the surface of the hollow rotating shaft, and the belt extends to the surface of the hollow driven pulley.
[0014] Preferably, a hollow three-jaw chuck is installed at the end of the hollow rotating shaft away from the hollow driven pulley.
[0015] Compared with the prior art, the beneficial effects of this utility model are: the straightening device not only realizes convenient multi-position movement adjustment and straightening of the clean seamless tube, increases the movement range of the straightening device when straightening the clean seamless tube, facilitates precise movement to the designated position for straightening, facilitates the circumferential rotation adjustment and position straightening of the clean seamless tube, but also facilitates multi-position efficient straightening of the clean seamless tube by self-rotation, thus improving the straightening efficiency of the straightening device for the clean seamless tube.
[0016] (1) The hollow three-jaw chuck holds the clean seamless tube. The stepper motor drives the horizontal gear to rotate. Under the meshing of the horizontal rack and the horizontal gear, the horizontal gear moves. The horizontal gear drives the horizontal moving plate, the vertical moving plate, the cylinder, and the straightening block to move. The sliding wheel slides on the surface of the slide rail to provide sliding support for the horizontal moving plate, so as to facilitate the horizontal movement adjustment. The servo motor drives the vertical gear to rotate. Under the meshing of the vertical gear and the vertical rack, the vertical gear moves. The vertical gear drives the sliding frame to move. The sliding frame drives the cylinder and the straightening block to move, so as to facilitate the vertical movement adjustment, so as to facilitate the straightening block to move to the position where the clean seamless tube needs to be straightened. The cylinder drives the straightening block to move through the push rod, so as to facilitate the straightening block to press down and straighten the clean seamless tube. This realizes the convenient multi-position movement adjustment and straightening of the clean seamless tube by the straightening device, increases the movement range of the straightening device when straightening the clean seamless tube, and facilitates the precise movement to the designated position for straightening.
[0017] (2) The power motor drives the rotating pulley to rotate, the rotating pulley drives the belt to move, the belt drives the hollow driven pulley to rotate, the hollow driven pulley drives the hollow rotating shaft to rotate, the shaft seat provides movable support for the hollow rotating shaft, the hollow rotating shaft drives the hollow three-jaw chuck to rotate, the hollow three-jaw chuck drives the clean seamless tube to rotate, so as to facilitate the circumferential rotation of the clean seamless tube, realize the position adjustment and correction of the circumferential rotation of the straightening device for the clean seamless tube, facilitate the multi-position efficient correction of the self-rotation of the clean seamless tube, and improve the correction efficiency of the straightening device for the clean seamless tube. Attached Figure Description
[0018] Figure 1 This is a front view structural diagram of the present utility model;
[0019] Figure 2 This is a three-dimensional structural diagram of the present invention;
[0020] Figure 3 This is a three-dimensional schematic diagram of the transverse rack structure of this utility model;
[0021] Figure 4 This is a three-dimensional structural diagram of the sliding wheel of this utility model;
[0022] Figure 5This is a three-dimensional structural diagram of the corrective block of this utility model;
[0023] Figure 6 This is a three-dimensional structural diagram of the sliding frame of this utility model;
[0024] Figure 7 This is a three-dimensional structural diagram of the hollow three-jaw chuck of this utility model.
[0025] In the diagram: 1. Base plate; 2. Connecting frame; 3. Support frame; 4. Slide rail; 5. Lateral moving plate; 6. Longitudinal moving plate; 7. Cylinder; 8. Correcting block; 9. Sliding frame; 10. Servo motor; 11. Longitudinal rack; 12. Longitudinal gear; 13. Stepper motor; 14. Lateral gear; 15. Lateral rack; 16. Sliding wheel; 17. Support seat; 18. Shaft seat; 19. Power motor; 20. Rotating pulley; 21. Belt; 22. Hollow driven pulley; 23. Hollow rotating shaft; 24. Hollow three-jaw chuck; 25. Slide groove; 26. Push rod. 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 description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.
[0028] 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 indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.
[0029] Example 1
[0030] Please see Figure 1-7 This utility model provides an embodiment of a straightening device for a clean seamless tube, comprising a base plate 1 and a support frame 3. The support frame 3 is disposed on the outside of the base plate 1. Connecting frames 2 are symmetrically installed on the outer walls of both sides of the support frame 3, and the connecting frames 2 are all connected to the base plate 1. A support seat 17 is installed at the top of the base plate 1 on one side of the connecting frame 2. Slide rails 4 are symmetrically installed on the outer walls of the support frame 3. A transverse moving plate 5 is slidably installed at the bottom end of the support frame 3. A longitudinal moving plate 6 is installed on the outer wall of the transverse moving plate 5. A cylinder 7 is slidably installed at the bottom end of the longitudinal moving plate 6. A push rod 26 is installed at the output end of the cylinder 7. A straightening block 8 is installed at the bottom end of the push rod 26. A groove 25 is provided at the bottom end of the support frame 3. A transverse rack 15 is installed at the bottom of the support frame 3 on one side, a stepper motor 13 is installed at the bottom of the transverse moving plate 5, a transverse gear 14 is installed at the output end of the stepper motor 13, and the transverse gear 14 meshes with the transverse rack 15. Sliding wheels 16 are symmetrically installed on the outer wall of the transverse moving plate 5 near the slide rail 4, and the sliding wheels 16 are slidably connected to the slide rail 4. A sliding frame 9 is slidably installed inside the longitudinal moving plate 6, and the sliding frame 9 is connected to the cylinder 7. A longitudinal rack 11 is installed inside the longitudinal moving plate 6 on one side of the sliding frame 9, a servo motor 10 is installed at the bottom of the sliding frame 9, a longitudinal gear 12 is installed at the output end of the servo motor 10, and the longitudinal gear 12 meshes with the longitudinal rack 11.
[0031] The clean, seamless tube to be corrected is placed between the two hollow three-jaw chucks 24. Supported by the hollow rotating shaft 23, the hollow three-jaw chucks 24 clamp the clean, seamless tube. The stepper motor 13 is turned on, and supported by the transverse moving plate 5, the stepper motor 13 drives the transverse gear 14 to rotate. The transverse rack 15 meshes with the transverse gear 14, driving the transverse gear 14 to move. The transverse gear 14 drives the transverse moving plate 5, the longitudinal moving plate 6, the cylinder 7, and the correcting block 8 to move. The sliding wheel 16 slides on the surface of the slide rail 4 to provide sliding support for the transverse moving plate 5, facilitating transverse movement adjustment. The servo motor 10 is turned on, and supported by the sliding frame 9, the servo motor 10 drives the transverse moving plate 5 to move. The longitudinal gear 12 rotates, and under the meshing of the longitudinal gear 12 and the longitudinal rack 11, the longitudinal gear 12 moves. The longitudinal gear 12 moves the sliding frame 9, and the sliding frame 9 moves the cylinder 7 and the straightening block 8 to facilitate longitudinal movement adjustment. This allows the straightening block 8 to move to the position where the clean seamless tube needs to be straightened. The cylinder 7 is opened, and under the support of the sliding frame 9, the cylinder 7 moves the straightening block 8 through the push rod 26 to facilitate the straightening block 8 to press down and straighten the clean seamless tube. This realizes convenient multi-position movement adjustment and straightening of the clean seamless tube by the straightening device, increases the movement range of the straightening device when straightening the clean seamless tube, and facilitates precise movement to the designated position for straightening.
[0032] Each support base 17 has a symmetrically mounted bearing base 18 at its top. Each support base 17 has a power motor 19 installed inside. Each power motor 19 has a rotating pulley 20 installed at its output end. Each rotating pulley 20 has a belt 21 fitted on its surface. Each bearing base 18 has a hollow rotating shaft 23 movably mounted inside. The hollow rotating shaft 23 extends to the outside of the bearing base 18. A hollow driven pulley 22 is fitted on the surface of the hollow rotating shaft 23. The belt 21 extends to the surface of the hollow driven pulley 22. A hollow three-jaw chuck 24 is installed at the end of the hollow rotating shaft 23 away from the hollow driven pulley 22.
[0033] When the seamless tube needs to be rotated to another position for correction, the power motor 19 is turned on. Supported by the support seat 17, the power motor 19 drives the rotating pulley 20 to rotate. The rotating pulley 20 drives the belt 21 to move. The belt 21 drives the hollow driven pulley 22 to rotate. The hollow driven pulley 22 drives the hollow rotating shaft 23 to rotate. The shaft seat 18 provides movable support for the hollow rotating shaft 23. The hollow rotating shaft 23 drives the hollow three-jaw chuck 24 to rotate. The hollow three-jaw chuck 24 drives the seamless tube to rotate, facilitating the circumferential rotation of the seamless tube. This realizes the circumferential rotation adjustment and position correction of the seamless tube by the straightening device, facilitating efficient multi-position correction of the seamless tube's rotation and improving the straightening efficiency of the seamless tube.
[0034] Work steps
[0035] The hollow three-jaw chuck 24 holds the clean, seamless pipe clamp. The stepper motor 13 drives the horizontal gear 14 to rotate. Under the meshing of the horizontal rack 15 and the horizontal gear 14, the horizontal gear 14 moves. The horizontal gear 14 then moves the horizontal moving plate 5, the vertical moving plate 6, the cylinder 7, and the straightening block 8. The sliding wheel 16 slides on the surface of the slide rail 4 to provide sliding support for the horizontal moving plate 5, facilitating horizontal movement adjustment. The servo motor 10 drives the vertical gear 12 to rotate. Under the meshing of the vertical gear 12 and the vertical rack 11, the vertical gear 12 moves. The vertical gear 12 moves the sliding frame 9, which in turn moves the cylinder 7 and the straightening block 8, facilitating vertical movement adjustment and straightening. Block 8 moves to the position where the clean seamless tube needs to be corrected. Cylinder 7 drives the correcting block 8 to move via push rod 26, so that the correcting block 8 can press down and correct the clean seamless tube. When the clean seamless tube needs to be rotated to another position for correction, the power motor 19 drives the rotating pulley 20 to rotate. The rotating pulley 20 drives the belt 21 to move. The belt 21 drives the hollow driven pulley 22 to rotate. The hollow driven pulley 22 drives the hollow rotating shaft 23 to rotate. The shaft seat 18 provides movable support for the hollow rotating shaft 23. The hollow rotating shaft 23 drives the hollow three-jaw chuck 24 to rotate. The hollow three-jaw chuck 24 drives the clean seamless tube to rotate, so as to facilitate the circumferential rotation of the clean seamless tube and complete the use of the straightening device.
[0036] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A straightening device for clean seamless pipe, characterized in that: The system includes a base plate and a support frame. The support frame is externally mounted on the base plate. Connecting frames are symmetrically mounted on the outer walls of both sides of the support frame, and these connecting frames are connected to the base plate. A support base is mounted on the top of the base plate on one side of each connecting frame. Slide rails are symmetrically mounted on the outer walls of the support frame. A transverse moving plate is slidably mounted on the bottom end of the support frame. A longitudinal moving plate is mounted on the outer wall of the transverse moving plate. A cylinder is slidably mounted on the bottom end of the longitudinal moving plate. A push rod is mounted on the output end of the cylinder. A straightening block is mounted on the bottom end of the push rod. A sliding groove is provided at the bottom end of the support frame. A transverse rack is mounted on the bottom end of the support frame on one side of the sliding groove. A stepper motor is mounted on the bottom end of the transverse moving plate. A transverse gear is mounted on the output end of the stepper motor, and the transverse gear meshes with the transverse rack.
2. A device for straightening a clean seamless tube according to claim 1, characterized in that: The outer wall of the transverse moving plate near the slide rail is symmetrically equipped with sliding wheels, and the sliding wheels are slidably connected to the slide rail. The interior of the longitudinal moving plate is slidably equipped with a sliding frame, and the sliding frame is connected to the cylinder.
3. A device for straightening a clean seamless tube according to claim 2, characterized in that: A longitudinal rack is installed inside the longitudinal moving plate on one side of the sliding frame, and a servo motor is installed at the bottom of the sliding frame.
4. A device for straightening a clean seamless tube according to claim 3, characterized in that: The output end of the servo motor is equipped with a longitudinal gear, which meshes with a longitudinal rack.
5. A device for straightening clean seamless pipe according to claim 1, characterized in that: Each support base has a symmetrically mounted shaft seat at its top, and each support base has a power motor installed inside. Each power motor has a rotating pulley installed at its output end, and each rotating pulley has a belt fitted onto its surface.
6. A device for straightening a clean seamless tube according to claim 5, characterized in that: Each of the bearing seats has a hollow rotating shaft movably installed inside, and the hollow rotating shaft extends to the outside of the bearing seat.
7. A straightening device for a clean, seamless tube according to claim 6, characterized in that: The hollow rotating shaft is fitted with a hollow driven pulley, and the belt extends to the surface of the hollow driven pulley.
8. A straightening device for a clean, seamless tube according to claim 7, characterized in that: A hollow three-jaw chuck is installed at the end of the hollow rotating shaft away from the hollow driven pulley.