Cold drawing device for seamless steel pipe machining
By designing cold-drawing devices for limiting components and auxiliary fixing components, using arc limiting plates, return springs and servo motors, the problem of being unable to fix seamless steel pipes of different sizes in the prior art is solved, and the cold-drawing efficiency is improved and quality.
Patent Information
- Application Number
- CN202420983098.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-08
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-05-08
AI Technical Summary
The existing seamless steel pipe cold drawing device cannot effectively fix seamless steel pipes of different sizes, resulting in low cold drawing efficiency and need to replace the mold.
A cold drawing device including limiting assembly and auxiliary fixing assembly is designed. The curved limiting plate, return spring, lifting base, servo motor and bidirectional threaded rod are used to achieve elastic limiting and mechanical clamping. Stable fixation of seamless steel pipes of different sizes.
Effective clamping and fixing of seamless steel pipes of different sizes is achieved, avoiding mold replacement and improving cold drawing efficiency and quality.
Smart Images
Figure CN222198342U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of seamless steel pipe processing, in particular to a cold drawing device used for seamless steel pipe processing. Background Art
[0002] Seamless steel pipe is made of a whole round steel through holes. There is no weld on the surface of the steel pipe, which is called seamless steel pipe. According to the production method, seamless steel pipe can be divided into hot-rolled seamless steel pipe, cold-rolled seamless steel pipe, cold-drawn seamless steel pipe, extruded seamless steel pipe, jacking pipe, etc. According to the cross-sectional shape, seamless steel pipe is divided into round and special-shaped. Special-shaped pipes have square, oval, triangle, hexagon, melon seed, star, winged pipe and many other complex shapes. The maximum diameter is 900mm and the minimum diameter is 4mm. According to different uses, there are thick-walled seamless steel pipes and thin-walled seamless steel pipes. Seamless steel pipes are mainly used as petroleum geological drilling pipes, cracking pipes for petrochemicals, boiler pipes, bearing pipes, and high-precision structural steel pipes for automobiles, tractors, and aviation. Cold drawing is a material processing technology. For metal materials, cold drawing means that in order to achieve a certain shape and certain mechanical properties, a cold drawing device is required for cold drawing during the processing of seamless steel pipes.
[0003] The existing cold drawing device for seamless steel pipes cannot fix seamless steel pipes of different sizes. When cold drawing seamless steel pipes of different sizes, the corresponding molds need to be replaced, which affects the cold drawing efficiency of the seamless steel pipes. Utility Model Content
[0004] The utility model aims to provide a cold drawing device for seamless steel pipe processing, which can solve the problems raised in the above-mentioned background technology.
[0005] To achieve the above object, the utility model provides the following technical solutions: a cold drawing device for seamless steel pipe processing, comprising a workbench, a bracket is fixedly connected to the top of the workbench, a cylindrical frame is fixedly connected to the top of the bracket, a limiting component is arranged inside the cylindrical frame, and an auxiliary fixing component is arranged at the top of the workbench;
[0006] The limiting assembly includes two arc-shaped limiting plates, two groups of connecting sleeve rods and two groups of movable rods. The two arc-shaped limiting plates are symmetrically arranged inside the cylinder frame, the two groups of connecting sleeve rods are symmetrically fixedly connected to the inner walls of the arc-shaped limiting plates, the two groups of movable rods are respectively slidably sleeved on one end of the two groups of connecting sleeve rods, and the two arc-shaped limiting plates are respectively fixedly connected to one end of the two groups of movable rods.
[0007] Preferably, two guide grooves are symmetrically provided on the outer side of the connecting sleeve rod, and guide blocks are slidably inserted and connected inside the two guide grooves, and the two guide blocks are symmetrically fixedly connected to the top of the movable rod.
[0008] Preferably, a return spring is fixedly connected to the top end of the inner cavity of the connecting sleeve rod, and the bottom end of the return spring is fixedly connected to the top end of the movable rod.
[0009] Preferably, two groups of the auxiliary fixing components are provided, and the auxiliary fixing components include two lifting bases, two brackets, two groups of movable clamping plates and two groups of positioning blocks.
[0010] Preferably, the two lifting bases are symmetrically fixedly installed on the top of the workbench, the two brackets are respectively connected to the upper surfaces of the two lifting bases by transmission, the two groups of movable splints are respectively arranged above the two brackets, and the two groups of positioning blocks are respectively fixedly connected to the inner tops of the two groups of movable splints.
[0011] Preferably, a support block is fixedly connected to the top of the bracket, and two slide grooves are symmetrically provided on the top of the bracket. Slide blocks are slidably sleeved inside the two slide grooves, and the slide blocks are fixedly connected to the bottom end of the movable splint.
[0012] Preferably, a bidirectional threaded rod is installed on the top of the inner cavity of the bracket, and the two sliders are symmetrically threadedly sleeved on the outside of the bidirectional threaded rod. A servo motor is fixedly installed on the top of one side of the bracket, and the output end of the servo motor is fixedly connected to one end of the bidirectional threaded rod.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] The utility model adopts the design of a limiting component and an auxiliary fixing component. After the seamless steel pipe passes through one end of the cylinder frame, the elastic potential energy of the reset spring can be used to realize the limiting fixation of the seamless steel pipe by two arc-shaped limiting plates. After the two lifting bases are operated to move the bracket to a certain height, the servo motor is operated to drive the two-way threaded rod to rotate. The rotation of the two-way threaded rod drives the two sliders to move in the directions approaching each other in the slide groove respectively. The movement of the two sliders drives the two movable clamps to move until the auxiliary fixation of the seamless steel pipe by the two positioning blocks is realized. This method can effectively clamp and fix seamless steel pipes of different sizes. There is no need to replace the corresponding molds when cold drawing seamless steel pipes of different sizes, thereby ensuring the cold drawing efficiency of the seamless steel pipe. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;
[0016] Figure 2 This is a schematic diagram of the cross-sectional structure of the cylinder frame of the utility model;
[0017] Figure 3 For this utility model Figure 2 The enlarged structural diagram of point A is shown;
[0018] Figure 4 It is a schematic diagram of the cross-sectional structure of the auxiliary fixing component of the utility model.
[0019] In the figure: 1. workbench; 2. bracket; 3. cylinder frame; 4. arc limit plate; 5. lifting base; 6. bracket; 7. movable splint; 8. connecting sleeve rod; 9. movable rod; 10. guide groove; 11. guide block; 12. reset spring; 13. support block; 14. positioning block; 15. two-way threaded rod; 16. slide groove; 17. slider; 18. servo motor; 19. limit assembly; 20. auxiliary fixing assembly. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0021] Example 1
[0022] See also Figure 1 , a cold drawing device for seamless steel pipe processing shown in the figure includes a workbench 1, a bracket 2 is fixedly connected to the top of the workbench 1, a cylinder frame 3 is fixedly connected to the top of the bracket 2, a limiting component 19 is arranged inside the cylinder frame 3, and an auxiliary fixing component 20 is arranged at the top of the workbench 1;
[0023] The limiting assembly 19 includes two arc-shaped limiting plates 4, two groups of connecting rods 8 and two groups of movable rods 9. The two arc-shaped limiting plates 4 are symmetrically arranged inside the cylinder frame 3, and the two groups of connecting rods 8 are symmetrically fixedly connected to the inner walls of the arc-shaped limiting plates 4. The two groups of movable rods 9 are respectively slidably sleeved on one end of the two groups of connecting rods 8, and the two arc-shaped limiting plates 4 are respectively fixedly connected to one end of the two groups of movable rods 9.
[0024] See also Figure 3 As shown in the figure, two guide grooves 10 are symmetrically opened on the outer side of the connecting sleeve rod 8, and guide blocks 11 are slidably inserted and connected inside the two guide grooves 10. The two guide blocks 11 are symmetrically fixedly connected to the top of the movable rod 9.
[0025] In this embodiment: by setting the guide block 11 and the guide groove 10, the two are slidably connected to each other, so that the maximum longitudinal movement distance of the arc limit plate 4 can be limited, so that the arc limit plate 4 will not loosen when clamping the seamless steel pipe, providing protection for the cold drawing operation.
[0026] Working principle: When in use, after the seamless steel pipe is passed through one end of the cylinder frame 3, the elastic potential energy of the reset spring 12 can be used to limit and fix the seamless steel pipe with two arc-shaped limit plates 4, and then the two lifting bases 5 are operated at the same time. The operation of the lifting base 5 drives the electric bracket 6 to move upward. When the bracket 6 moves to a certain height, the support block 13 contacts the seamless steel pipe, and then the servo motor 18 is operated to drive the bidirectional threaded rod 15 to rotate. The rotation of the bidirectional threaded rod 15 drives the two sliders 17 to move in the direction of approaching each other in the slide groove 16, and the movement of the two sliders 17 drives the two movable splints 7 to move until the two movable splints 7 and the two positioning blocks 14 auxiliary fix the seamless steel pipe to prevent the steel pipe from shaking during cold drawing, thereby improving the stability of the seamless steel pipe and thus improving the cold drawing quality of the seamless steel pipe.
[0027] Example 2
[0028] See also Figure 3 This embodiment further illustrates Example 1. In the figure, a return spring 12 is fixedly connected to the top of the inner cavity of the connecting sleeve rod 8, and the bottom end of the return spring 12 is fixedly connected to the top of the movable rod 9.
[0029] In this embodiment: a reset spring 12 is provided, and the reset spring 12 is in an unstressed state when not in operation. The bottom end of the reset spring 12 is fixedly connected to the top end of the movable rod 9, and the elastic potential energy of the reset spring 12 is utilized to realize the limiting and fixing of the two arc-shaped limit plates 4 on the seamless steel pipe.
[0030] See also Figure 4 In the figure, there are two groups of auxiliary fixing components 20, and the auxiliary fixing components 20 include two lifting bases 5, two brackets 6, two groups of movable clamps 7 and two groups of positioning blocks 14.
[0031] In this embodiment, two sets of auxiliary fixing components 20 are provided which are symmetrical to each other and can be used in coordination with each other to improve the clamping effect on the seamless steel pipe and avoid shaking during cold drawing.
[0032] See also Figure 4 As shown in the figure, two lifting bases 5 are symmetrically fixedly installed on the top of the workbench 1, two brackets 6 are respectively connected to the upper surfaces of the two lifting bases 5, two groups of movable splints 7 are respectively arranged above the two brackets 6, and two groups of positioning blocks 14 are respectively fixedly connected to the inner tops of the two groups of movable splints 7.
[0033] In this embodiment, the height of the movable clamping plate 7 can be adjusted by operating the lifting base 5, so as to be suitable for seamless steel pipes with different clamping heights, thereby improving the application range of the equipment.
[0034] See also Figure 4In the figure, the top of the bracket 6 is fixedly connected with a support block 13, and two slide grooves 16 are symmetrically opened on the top of the bracket 6. Slide blocks 17 are slidably sleeved inside the two slide grooves 16, and the slide blocks 17 are fixedly connected to the bottom end of the movable splint 7.
[0035] In this embodiment, the distance between the two movable clamping plates 7 is realized by sliding sleeves between the slider 17 and the slide groove 16, so as to meet the auxiliary fixing work of seamless steel pipes of various specifications.
[0036] See also Figure 4 In the figure, a bidirectional threaded rod 15 is installed on the top of the inner cavity of the bracket 6, and two sliders 17 are symmetrically threadedly sleeved on the outside of the bidirectional threaded rod 15. A servo motor 18 is fixedly installed on the top of one side of the bracket 6, and the output end of the servo motor 18 is fixedly connected to one end of the bidirectional threaded rod 15.
[0037] In this embodiment, the operation of the servo motor 18 can drive the bidirectional threaded rod 15 to rotate, so that the two sliders 17 can move in opposite directions in the two slide grooves 16 respectively, thereby clamping and loosening.
[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include"-"comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process-method-article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process-method-article or device.
[0039] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A cold drawing device for seamless steel pipe processing, comprising a workbench (1), characterized in that: The top of the workbench (1) is fixedly connected to a bracket (2), the top of the bracket (2) is fixedly connected to a cylinder frame (3), a limit position component (19) is arranged inside the cylinder frame (3), and the top of the workbench (1) is provided with an auxiliary fixing component (20); The limiting assembly (19) comprises two arc-shaped limiting plates (4), two groups of connecting sleeve rods (8) and two groups of movable rods (9); the two arc-shaped limiting plates (4) are symmetrically arranged inside the cylinder frame (3); the two groups of connecting sleeve rods (8) are symmetrically fixedly connected to the inner wall of the arc-shaped limiting plates (4); the two groups of movable rods (9) are respectively slidably sleeved on one end of the two groups of connecting sleeve rods (8); and the two arc-shaped limiting plates (4) are respectively fixedly connected to one end of the two groups of movable rods (9).
2. A cold drawing device for seamless steel pipe processing according to claim 1, characterized in that: Two guide grooves (10) are symmetrically formed on the outer side of the connecting sleeve rod (8), and guide blocks (11) are slidably inserted and connected inside the two guide grooves (10). The two guide blocks (11) are symmetrically fixedly connected to the top of the movable rod (9).
3. A cold drawing device for seamless steel pipe processing according to claim 1, characterized in that: A return spring (12) is fixedly connected to the top end of the inner cavity of the connecting sleeve rod (8), and the bottom end of the return spring (12) is fixedly connected to the top end of the movable rod (9).
4. The cold drawing device for seamless steel pipe processing according to claim 1, characterized in that: The auxiliary fixing components (20) are provided in two groups in total, and the auxiliary fixing components (20) include two lifting bases (5), two brackets (6), two groups of movable clamping plates (7) and two groups of positioning blocks (14).
5. A cold drawing device for seamless steel pipe processing according to claim 4, characterized in that: The two lifting bases (5) are symmetrically fixedly installed on the top of the workbench (1), the two brackets (6) are respectively connected to the upper surfaces of the two lifting bases (5) by driving, the two groups of movable clamping plates (7) are respectively arranged above the two brackets (6), and the two groups of positioning blocks (14) are respectively fixedly connected to the inner tops of the two groups of movable clamping plates (7).
6. A cold drawing device for seamless steel pipe processing according to claim 4, characterized in that: The top end of the bracket (6) is fixedly connected to a support block (13), and the top end of the bracket (6) is symmetrically provided with two slide grooves (16), and the insides of the two slide grooves (16) are slidably sleeved with sliders (17), and the sliders (17) are fixedly connected to the bottom end of the movable splint (7).
7. A cold drawing device for seamless steel pipe processing according to claim 6, characterized in that: A bidirectional threaded rod (15) is installed at the top of the inner cavity of the bracket (6), and the two sliders (17) are symmetrically threadedly sleeved on the outer side of the bidirectional threaded rod (15). A servo motor (18) is fixedly installed at the top of one side of the bracket (6), and the output end of the servo motor (18) is fixedly connected to one end of the bidirectional threaded rod (15).