Joint full-thread efficient cold rolling device convenient to position
By setting a positioning structure and a lifting structure in the cold rolling pressing device, the problem of sliding joints during processing is solved, and the processing accuracy and efficiency are improved.
Patent Information
- Application Number
- CN202421692835.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-17
- Publication Date
- 2025-06-24
- Estimated Expiration
- 2034-07-17
AI Technical Summary
When existing cold rolling pressing devices process threaded joints, the joints are prone to slide, resulting in insufficient machining accuracy.
A fully threaded and efficient cold rolling device for easy positioning is designed. By setting up a positioning structure and lifting structure, components such as electric telescopic rods, electric sliders and hydraulic rods are used to ensure that the joint does not slide during processing.
Effectively prevents the joint from sliding during processing, improving machining accuracy and efficiency.
Smart Images

Figure CN223012094U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cold rolling equipment, in particular to a high-efficiency cold rolling device for full-thread joints with convenient positioning. Background Technique
[0002] A threaded joint refers to a pipe connector with threads and is one of the most common pipe fittings in industry and daily life. Threaded joints make the connection of pipes simpler and easier to disassemble and replace, greatly saving the cost of pipe connection. In the processing of threaded joints, a cold rolling device is usually required to process the threaded joints.
[0003] After retrieval, a Chinese utility model patent with the patent number CN217475250U discloses a numerically controlled cold rolling device for double shoulder extended threaded drill pipe joints, which specifically discloses including a bottom plate, a drill pipe body, and a clamping device. One end of the drive is provided with a connecting piece, the drill pipe body is arranged on one side of the connecting piece, a hydraulic device is arranged on the upper surface of the bottom plate, a bracket is arranged above the hydraulic device, and a pressing wheel is rotatably connected to the inner wall of the bracket. The clamping device is arranged on the connecting piece, and the clamping device includes a fixed block fixed to one side of the connecting piece. A chute is provided on the surface of the connecting piece. From the combination of the text and drawings of this utility model patent, it can be seen that in this utility model patent, the joint is prone to sliding during processing, resulting in insufficient processing accuracy. Therefore, a high-efficiency cold rolling device for full-thread joints with convenient positioning is proposed to solve the above problems. Content of the Utility Model
[0004] Aiming at the deficiencies of the prior art, the utility model provides a high-efficiency cold rolling device for full-thread joints with convenient positioning, which has the advantages of preventing the joint from sliding during processing, etc., and solves the problem that the joint is prone to sliding during processing, resulting in insufficient processing accuracy.
[0005] To achieve the above purpose of preventing the joint from sliding during processing, the utility model provides the following technical solution: A high-efficiency cold rolling device for full-thread joints with convenient positioning, including a bottom plate, an oil pump is arranged on the top of the bottom plate, an oil delivery pipe is fixedly connected to the left side of the oil pump, a hydraulic device is fixedly connected to the left side of the oil delivery pipe, a pressure gauge is fixedly connected to the right side of the hydraulic device, a positioning structure is arranged on the top of the bottom plate, and a lifting structure is arranged on the top of the hydraulic device;
[0006] The positioning structure includes a moving plate, an electric slider, a slide rail, a first motor, a rotating shaft, a fixed column, and an electric telescopic rod. A moving plate is provided on the top of the bottom plate. An electric slider is fixedly connected to the bottom of the moving plate. A slide rail is opened on the top of the bottom plate. A first motor is fixedly connected to the left side of the moving plate. A rotating shaft is provided at the output end of the first motor. A fixed column is fixedly connected to the inside of the rotating shaft. A number of electric telescopic rods are fixedly connected to both the top and the bottom of the fixed column.
[0007] Furthermore, the lifting structure includes a housing, a hydraulic rod, a fixed frame, a second motor, a rotating rod, and a pressure wheel. The housing is fixedly connected to the back of the hydraulic device. The hydraulic rod is fixedly connected to the inner bottom wall of the housing. The fixed frame is fixedly connected to the top of the hydraulic rod. The second motor is fixedly connected to the right side of the fixed frame. The rotating rod is provided at the output end of the second motor. The pressure wheel is fixedly connected to the outside of the rotating rod, facilitating the rotation and lifting of the pressure wheel.
[0008] Furthermore, the moving plate is slidably connected to the bottom plate through the electric slider and the slide rail, reducing the friction force received by the moving plate during the movement.
[0009] Furthermore, a rotating hole adapted to the rotating shaft is opened on the right side of the moving plate. One end of the rotating shaft penetrates through the rotating hole and extends to the right side of the moving plate, facilitating the normal rotation of the rotating shaft.
[0010] Furthermore, a number of telescopic holes adapted to the electric telescopic rods are opened on both the top and the bottom of the rotating shaft, facilitating the fixing of the joints of the electric telescopic rods.
[0011] Furthermore, a lifting opening adapted to the fixed frame is opened on the top of the housing, facilitating the lifting of the fixed frame.
[0012] Compared with the prior art, the technical solution of the present application has the following beneficial effects:
[0013] 1. For this easy-to-position joint full-thread high-efficiency cold rolling device, by setting the positioning structure, the joint is sleeved outside the rotating shaft. A number of electric telescopic rods extend to fix the joint. The electric slider moves to the right to drive the joint to move to the right. The first motor operates to drive the joint to rotate through the rotating shaft, preventing the joint from sliding during the processing and resulting in insufficient precision.
[0014] 2. For this easy-to-position joint full-thread high-efficiency cold rolling device, by setting the lifting structure, the second motor operates to drive the pressure wheel to rotate through the rotating rod. The hydraulic rod shortens to drive the pressure wheel to descend through the fixed frame, facilitating the cold rolling processing of the joint and improving the processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 is a three-dimensional view of the structure of the present utility model;
[0016] Figure 2 This is the front elevation sectional view of the structure of the present utility model;
[0017] Figure 3 For the present utility model Figure 2 Enlarged view of part A in it.
[0018] In the figure: 1, bottom plate; 2, oil pump; 3, oil delivery pipe; 4, hydraulic device; 5, pressure gauge; 6, positioning structure; 601, moving plate; 602, electric slider; 603, slide rail; 604, motor 1; 605, rotating shaft; 606, fixed column; 607, electric telescopic rod; 7, lifting structure; 701, housing; 702, hydraulic rod; 703, fixing bracket; 704, motor 2; 705, rotating rod; 706, pressure wheel. Specific implementation manner
[0019] 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 creative efforts shall fall within the protection scope of the present utility model.
[0020] Please refer to Figures 1-3 , a full-thread high-efficiency cold rolling device for a joint facilitating positioning in this embodiment, including a bottom plate 1, an oil pump 2 is arranged on the top of the bottom plate 1, an oil delivery pipe 3 is fixedly connected to the left side of the oil pump 2, a hydraulic device 4 is fixedly connected to the left side of the oil delivery pipe 3, a pressure gauge 5 is fixedly connected to the right side of the hydraulic device 4, a positioning structure 6 is arranged on the top of the bottom plate 1, and a lifting structure 7 is arranged on the top of the hydraulic device 4;
[0021] The positioning structure 6 includes a moving plate 601, an electric slider 602, a slide rail 603, a motor 1 604, a rotating shaft 605, a fixed column 606 and an electric telescopic rod 607. A moving plate 601 is arranged on the top of the bottom plate 1, an electric slider 602 is fixedly connected to the bottom of the moving plate 601, a slide rail 603 is opened on the top of the bottom plate 1, a motor 1 604 is fixedly connected to the left side of the moving plate 601, a rotating shaft 605 is arranged at the output end of the motor 1 604, a fixed column 606 is fixedly connected to the inside of the rotating shaft 605, and a number of electric telescopic rods 607 are fixedly connected to both the top and the bottom of the fixed column 606;
[0022] The lifting structure 7 includes a housing 701, a hydraulic rod 702, a fixing bracket 703, a second motor 704, a rotating rod 705 and a pressure wheel 706. The back of the hydraulic device 4 is fixedly connected to the housing 701. The inner bottom wall of the housing 701 is fixedly connected to the hydraulic rod 702. The top of the hydraulic rod 702 is fixedly connected to the fixing bracket 703. The right side of the fixing bracket 703 is fixedly connected to the second motor 704. The output end of the second motor 704 is provided with the rotating rod 705. The outer part of the rotating rod 705 is fixedly connected to the pressure wheel 706.
[0023] In the case implementation, a controller is provided on the front of the hydraulic device 4, which facilitates the operation control of the oil pump 2, the electric slider 602, the first motor 604, the electric telescopic rod 607, the hydraulic rod 702 and the second motor 704.
[0024] In the case implementation, an oil inlet pipe is provided at the bottom of the oil pump 2. When the oil pump 2 operates, the oil in the oil inlet pipe is transported to the hydraulic device 4 through the oil delivery pipe 3. The pressure gauge 5 facilitates checking whether the hydraulic device 4 can operate.
[0025] In the case implementation, the top of the electric telescopic rod 607 is arc-shaped to prevent abrasion of the inner wall of the docking head. The right side of the fixing column 606 is fixedly connected to the inner right wall of the rotating shaft 605, and the left side of the fixing column 606 is fixedly connected to the inner left wall of the rotating shaft 605. The electric telescopic rods 607 at the top and bottom of the fixing column 606 are symmetrically distributed.
[0026] During implementation, the operation is carried out according to the following steps:
[0027] 1) First, put the joint on the outside of the rotating shaft 605. Several electric telescopic rods 607 extend to fix the joint. The electric slider 602 moves to the right to drive the joint to move to the right. The first motor 604 operates to drive the joint to rotate through the rotating shaft 605.
[0028] 2) Then the second motor 704 operates to drive the pressure wheel 706 to rotate through the rotating rod 705. The hydraulic rod 702 shortens to drive the pressure wheel 706 to descend through the fixing bracket 703 to process the joint.
[0029] 3) Finally, after the joint processing is completed, the hydraulic rod 702 extends to make the pressure wheel 706 away from the joint. The electric slider 602 moves to the left, and several electric telescopic rods 607 shorten. At this time, the joint can be taken out.
[0030] In summary, for this joint full-thread high-efficiency cold rolling device that is convenient for positioning, by setting the positioning structure 6, the joint is put on the outside of the rotating shaft 605. Several electric telescopic rods 607 extend to fix the joint. The electric slider 602 moves to the right to drive the joint to move to the right. The first motor 604 operates to drive the joint to rotate through the rotating shaft 605.
[0031] Moreover, by setting up the lifting structure 7, when the second motor 704 operates, the rotating rod 705 drives the pressure wheel 706 to rotate, and when the hydraulic rod 702 shortens, the fixed bracket 703 drives the pressure wheel 706 to descend, solving the problem that the joint in the utility model patent with the patent number CN217475250U is prone to sliding during processing, resulting in insufficient processing accuracy.
[0032] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising an..." does not exclude the presence of additional identical elements in the process, method, article or device comprising the element.
[0033] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A highly efficient cold rolling device for fully threaded joints that is easy to position, comprising a bottom plate (1), characterized in that: An oil pump (2) is arranged on the top of the base plate (1), an oil delivery pipe (3) is fixedly connected to the left side of the oil pump (2), a hydraulic device (4) is fixedly connected to the left side of the oil delivery pipe (3), a pressure gauge (5) is fixedly connected to the right side of the hydraulic device (4), a positioning structure (6) is arranged on the top of the base plate (1), and a lifting structure (7) is arranged on the top of the hydraulic device (4); The positioning structure (6) comprises a movable plate (601), an electric slider (602), a slide rail (603), a motor 1 (604), a rotating shaft (605), a fixed column (606) and an electric telescopic rod (607). The movable plate (601) is arranged on the top of the base plate (1). The bottom of the movable plate (601) is fixedly connected to the electric slider (602). The top of the base plate (1) is provided with a slide rail (603). The left side of the movable plate (601) is fixedly connected to the motor 1 (604). The output end of the motor 1 (604) is provided with a rotating shaft (605). The interior of the rotating shaft (605) is fixedly connected to the fixed column (606). The top and bottom of the fixed column (606) are fixedly connected to a plurality of electric telescopic rods (607).
2. The highly efficient cold rolling device for fully threaded joints that is easy to position according to claim 1, characterized in that: The lifting structure (7) comprises a shell (701), a hydraulic rod (702), a fixed frame (703), a second motor (704), a rotating rod (705) and a pressure wheel (706); the back of the hydraulic device (4) is fixedly connected to the shell (701); the inner bottom wall of the shell (701) is fixedly connected to the hydraulic rod (702); the top of the hydraulic rod (702) is fixedly connected to the fixed frame (703); the right side of the fixed frame (703) is fixedly connected to the second motor (704); the output end of the second motor (704) is provided with a rotating rod (705); the outside of the rotating rod (705) is fixedly connected to the pressure wheel (706).
3. The high-efficiency cold rolling device for full-threaded joints that is easy to position according to claim 1, characterized in that: The movable plate (601) is slidably connected to the bottom plate (1) via an electric slider (602) and a slide rail (603).
4. The highly efficient cold rolling device for fully threaded joints that is easy to position according to claim 1, characterized in that: A rotating hole matched with the rotating shaft (605) is opened on the right side of the movable plate (601), and one end of the rotating shaft (605) passes through the rotating hole and extends to the right side of the movable plate (601).
5. The high-efficiency cold rolling device for full-threaded joints that is easy to position according to claim 1, characterized in that: The top and bottom of the rotating shaft (605) are provided with a plurality of telescopic holes adapted to the electric telescopic rod (607).
6. The highly efficient cold rolling device for fully threaded joints that is easy to position according to claim 2, characterized in that: The top of the housing (701) is provided with a lifting opening adapted to the fixing frame (703).
Citation Information
Patent Citations
Numerical control cold rolling device for double-shoulder lengthened threaded drill rod joint
CN217475250U