A three-wire cold drawing device for producing seamless stainless steel pipes
By designing a three-wire cold-drawing device including pulling base, support body, urging structure and fixing fixture, the problems of unstable steel pipe tightening and inconvenient mold replacement in the existing devices are solved, and the stability and rapid mold replacement function are realized during the steel pipe tightening process.
Patent Information
- Application Number
- CN202420925196.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-29
- Publication Date
- 2025-04-11
- Estimated Expiration
- 2034-04-29
AI Technical Summary
The existing three-wire cold-drawing device cannot firmly tighten the steel pipe, resulting in the steel pipe being easily deformed during the tightening process and inconvenient to replace the mold.
A three-wire cold-drawing device including a cold-drawing work surface, a pulling base, a support body, a force-pressing structure, a fixing fixture and a cold-drawing equipment are designed. The pulling base is fixed with the pulling machinery through a connecting block, the support body and the force-applying structure provide stable support and exerting force, and the fixing fixture is used to quickly change the mold.
The device provides stable support and exert force, ensuring that the steel pipe does not deform during the tightening process, and through improved mold design, the function of quickly replacing the mold is achieved, meeting the requirements of different steel pipe diameters.
Smart Images

Figure CN222739955U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of ENT medication, in particular to a three-wire cold drawing device for producing stainless steel seamless steel pipes. Background Art
[0002] In the production process of seamless stainless steel pipes, cold drawing technology is an important processing method that can improve the dimensional accuracy, surface finish and mechanical properties of steel pipes. As an advanced cold drawing equipment, the three-wire cold drawing device plays a key role in the production of seamless stainless steel pipes. However, the existing three-wire cold drawing device still has problems such as being unable to firmly tighten the steel pipe, unable to prevent the tightened steel pipe from deformation, and unable to quickly replace the mold as needed.
[0003] Therefore, it is very necessary to invent a three-wire cold drawing device for producing seamless stainless steel pipes. Utility Model Content
[0004] In order to solve the above technical problems, the utility model provides a three-wire cold drawing device for the production of stainless steel seamless steel pipes, so as to solve the problems that the existing three-wire cold drawing device still has the problem of being unable to firmly tighten the steel pipe, unable to prevent the tightened steel pipe from deformation, and unable to quickly replace the mold as needed. A three-wire cold drawing device for the production of stainless steel seamless steel pipes includes a cold drawing work surface, a pulling base, a support body, a force structure, a fixing clamp and a cold drawing device, wherein: the pulling base is located at the rear end of the surface of the cold drawing work surface and is connected and fixed to the drawing machine; the support body is fixedly installed above the pulling base, and the force structure is rotatably installed inside the support body, the fixing clamp is slidably installed on the inner side of the support body, and is rotatably connected to the force structure; the cold drawing device is fixedly installed in the middle of the surface of the cold drawing work surface.
[0005] The pulling base includes a supporting base, a connecting block, an extension block, a pipe supporting rod and an auxiliary clamping block, and the connecting block is fixedly installed at the rear end of the supporting base and is connected and fixed to the pulling machine. The extension block is fixedly installed above the rear end of the supporting base, and the pipe supporting rod is fixedly installed on its surface; the auxiliary clamping block is fixedly installed at the front end of the supporting base.
[0006] The cold drawing equipment includes a support frame, a window, a cold drawing die, a cold drawing port and a fixed connecting plate, and the window is opened inside the support frame. The cold drawing die slides inward from the top of the support frame and is fixed to the support frame through the fixed connecting plate; the cold drawing port is arranged inside the cold drawing die.
[0007] The pulling base is made of steel structure as a whole, and the pulling base can be driven to move by the drawing machine as a whole, and the pipe support rod is made of a solid steel metal plate, the midline point and the center point of the cold drawing mouth are on the same straight line; the top of the auxiliary clamp is provided with a groove for fixing the steel pipe, and matches the support body, which has the following functions: ① Provide support and stability: the pulling base is located at the rear end of the surface of the cold drawing workbench, and is connected and fixed with the drawing machine through the connecting block, providing stable support for the device, ensuring that it does not move or shake during the production process, and helping to maintain the stability of the production operation; ② Connecting the drawing machine: the pulling base is connected and fixed with the drawing machine through the connecting block, and the device and the drawing machine are closely combined. This connection method enables the device to be controlled and driven by the drawing machine to realize the drawing operation of the stainless steel seamless steel pipe; ③ Support pipeline materials: other components on the pulling base, such as extension blocks, pipeline support rods, etc., provide support and fixation for the pipeline material, which helps to maintain the stability and correct position of the pipeline during the drawing process, and will not cause the pipeline to collapse due to the inward pressure of the clamp.
[0008] The cold drawing equipment is made of steel structure as a whole, and the support frame is connected to the cold drawing work surface as a whole. The cold drawing die can be slidably installed inside the support frame; the cold drawing mouth adopts 3 groups, which have the following functions: ① Forming the shape of the pipe: The cold drawing equipment is a key component used in the cold drawing process. Its design shape determines the size and shape of the final pipe. During the cold drawing process, the pipe is stretched through the cold drawing die, so that the diameter and wall thickness of the pipe are accurately controlled and the surface quality of the pipe is ensured; ② Select the appropriate size: According to the diameter of the steel pipe to be produced, select the cold drawing die of the corresponding size to ensure that the selected cold drawing die can meet the diameter and wall thickness requirements of the steel pipe.
[0009] Compared with the prior art, the utility model has the following beneficial effects:
[0010] 1. The setting of the pulling base of the utility model has the following functions: 1. Providing support and stability:
[0011] The pulling base is located at the rear end of the cold drawing work surface, and is connected and fixed to the drawing machine through a connecting block, providing stable support for the device, ensuring that there is no movement or shaking during the production process, and helping to maintain the stability of the production operation; ② Connecting the drawing machine: The pulling base is connected and fixed to the drawing machine through a connecting block, tightly combining the device and the drawing machine. This connection method enables the device to be controlled and driven by the drawing machine to achieve the drawing operation of the stainless steel seamless steel pipe; ③ Support pipeline materials: Other components on the pulling base, such as extension blocks, pipeline support rods, etc., provide support and fixation for the pipeline materials, which helps to maintain the stability and correct position of the pipeline during the drawing process, and will not cause the pipeline to collapse due to the inward pressure of the clamp.
[0012] 2. The cold drawing equipment of the utility model has the following functions: ① forming the shape of the pipe: the cold drawing equipment is a key component used in the cold drawing process. Its design shape determines the size and shape of the final pipe. During the cold drawing process, the pipe is stretched through the cold drawing die, so that the diameter and wall thickness of the pipe are accurately controlled and the surface quality of the pipe is ensured; ②
[0013] Choose the right size: According to the diameter of the steel pipe to be produced, select the cold drawing die of the corresponding size to ensure that the selected cold drawing die can meet the diameter and wall thickness requirements of the steel pipe. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a structural schematic diagram of the utility model.
[0015] Figure 2 It is an enlarged view of point A of the present utility model.
[0016] Figure 3 It is an enlarged view of point B of the present utility model.
[0017] In the figure:
[0018] Cold drawing work surface 1, pulling base 2, supporting base 21, connecting block 22, extending block 23, pipe supporting rod 24, auxiliary clamping block 25, supporting body 3, force applying structure 4, fixing fixture 5, cold drawing equipment 6, supporting frame 61, through window 62, cold drawing die 63, cold drawing mouth 64, fixed connecting plate 65. DETAILED DESCRIPTION
[0019] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be described clearly and completely below. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.
[0020] As attached Figure 1 To Attachment Figure 3 shown.
[0021] The utility model provides a three-wire cold drawing device for the production of seamless stainless steel pipes, comprising a cold drawing work surface 1, a pulling base 2, a support body 3, a force structure 4, a fixing fixture 5 and a cold drawing device 6, wherein: the pulling base 2 is located at the rear end of the surface of the cold drawing work surface 1, and is connected and fixed to the drawing machine; the support body 3 is fixedly installed above the pulling base 2, and the force structure 4 is rotatably installed inside the support body 3, the fixing fixture 5 is slidably installed on the inner side of the support body 3, and is rotatably connected to the force structure 4; the cold drawing device 6 is fixedly installed in the middle of the surface of the cold drawing work surface 1.
[0022] The pulling base 2 includes a supporting base 21, a connecting block 22, an extending block 23, a pipe supporting rod 24 and an auxiliary clamping block 25, and the connecting block 22 is fixedly installed at the rear end of the supporting base 21 and is connected and fixed to the pulling machine. The extending block 23 is fixedly installed above the rear end of the supporting base 21, and the pipe supporting rod 24 is fixedly installed on its surface; the auxiliary clamping block 25 is fixedly installed at the front end of the supporting base 21.
[0023] The cold drawing equipment 6 includes a support frame 61, a window 62, a cold drawing die 63, a cold drawing port 64 and a fixed connecting plate 65, and the window 62 is opened inside the support frame 61, the cold drawing die 63 slides inward from the top of the support frame 61, and is fixed to the support frame 61 through the fixed connecting plate 65; the cold drawing port 64 is arranged inside the cold drawing die 63.
[0024] In the production process of seamless stainless steel pipes, the cold drawing die needs to be replaced according to the different steel pipe diameter requirements. The following is the specific implementation method:
[0025] 1. Cold drawn work surface 1: The cold drawn work surface 1 is the basis of the entire device. It is usually made of wear-resistant and corrosion-resistant materials to ensure stability and durability for long-term use. The surface needs to be smooth and flat to ensure smooth subsequent operations.
[0026] 2. Pulling base 2: The pulling base 2 is a key component used to support and connect the entire device. Its structure includes a supporting base 21, a connecting block 22, an extension block 23, a pipe support rod 24 and an auxiliary clamp block 25. The supporting base is responsible for overall stable support, the connecting block is connected and fixed to the pulling machine, the extension block is fixed with a pipe support rod, and the auxiliary clamp block is located at the front end of the supporting base.
[0027] 3. Support body 3 and force-applying structure 4: The support body 3 is fixedly installed above the pulling base 2 to provide support for the force-applying structure. The force-applying structure 4 is rotatably installed inside the support body 3 and connected to it through a fixing clamp to apply necessary force.
[0028] 4. Cold drawing equipment 6: The cold drawing equipment 6 includes a support frame 61, a window 62, a cold drawing mold 63, a cold drawing port 64 and a fixed connecting plate 65. The support frame 61 is opened in the middle of the surface of the cold drawing workbench through the window. The cold drawing mold 63 slides in from the top of the support frame 61 and is fixedly connected to the support frame 61 through the fixed connecting plate 65. The cold drawing port 64 is arranged inside the cold drawing mold 63.
[0029] 5. Specific implementation steps:
[0030] The pulling base 2 is fixed to the rear end of the surface of the cold drawing work surface 1 and connected to the drawing machine to ensure its stability and reliability.
[0031] The connecting block 22 is fixed on the supporting base 21, and the extending block 23 is installed on top thereof to ensure the stable support of the pipeline supporting rod.
[0032] The support body 3 is installed above the pulling base 2, and the force-applying structure 4 is rotatably installed inside it to ensure that the fixing fixture is connected to the force-applying structure.
[0033] The cold drawing equipment 6 is installed in the middle of the surface of the cold drawing work surface 1 to ensure that the support frame 61 is tightly connected to the cold drawing work surface 1 .
[0034] Adjust the position of each component to ensure that the entire device structure is stable and meets production requirements.
[0035] Finally, testing and debugging are carried out to ensure that the device operates normally and can meet production needs.
[0036] Through the above specific implementation methods, the smooth construction and stable operation of the three-wire cold drawing device for the production of stainless steel seamless steel pipes can be ensured, thereby improving production efficiency and product quality.
[0037] Utilizing the technical solution described in the utility model, or those skilled in the art designing similar technical solutions inspired by the technical solution of the utility model to achieve the above-mentioned technical effects, all fall within the protection scope of the utility model.
Claims
1. A three-wire cold drawing device for producing seamless stainless steel pipes, characterized in that: The invention comprises a cold drawing work surface (1), a pulling base (2), a support body (3), a force applying structure (4), a fixing fixture (5) and a cold drawing device (6), wherein: the pulling base (2) is located at the rear end of the surface of the cold drawing work surface (1) and is connected and fixed to the drawing machine; the support body (3) is fixedly installed above the pulling base (2), and the force applying structure (4) is rotatably installed inside the support body (3); the fixing fixture (5) is slidably installed on the inner side of the support body (3) and is rotatably connected to the force applying structure (4); and the cold drawing device (6) is fixedly installed in the middle of the surface of the cold drawing work surface (1).
2. A three-wire cold drawing device for producing seamless stainless steel pipes as claimed in claim 1, characterized in that: The pulling base (2) comprises a supporting base (21), a connecting block (22), an extending block (23), a pipe supporting rod (24) and an auxiliary clamping block (25), wherein the connecting block (22) is fixedly mounted on the rear end of the supporting base (21) and is connected and fixed to the pulling machine, the extending block (23) is fixedly mounted above the rear end of the supporting base (21), and the pipe supporting rod (24) is fixedly mounted on the surface of the extending block (23); and the auxiliary clamping block (25) is fixedly mounted on the front end of the supporting base (21).
3. A three-wire cold drawing device for producing seamless stainless steel pipes as claimed in claim 1, characterized in that: The cold drawing device (6) comprises a support frame (61), a window (62), a cold drawing die (63), a cold drawing port (64) and a fixed connecting plate (65), and the window (62) is opened inside the support frame (61), the cold drawing die (63) slides inward from the top of the support frame (61), and is fixed to the support frame (61) through the fixed connecting plate (65); the cold drawing port (64) is arranged inside the cold drawing die (63).
4. A three-wire cold drawing device for producing seamless stainless steel pipes as claimed in claim 2, characterized in that: The pulling base (2) is entirely made of steel structure, and the pulling base (2) can be moved by a drawing machine, and the pipe support rod (24) is made of a solid steel metal plate, the midpoint of which is on the same straight line as the center point of the cold-drawn mouth (64); the top of the auxiliary clamp (25) is provided with a groove for fixing the steel pipe, and matches the support body (3).
5. A three-wire cold drawing device for producing seamless stainless steel pipes as claimed in claim 3, characterized in that: The cold drawing equipment (6) is made of a steel structure as a whole, and the support frame (61) is connected to the cold drawing work surface (1) as a whole. The cold drawing die (63) can be slidably installed inside the support frame (61); the cold drawing ports (64) are in three groups.