CN219378455U

CN219378455U - Cold drawing device for precision seamless steel tube

Info

Publication number: CN219378455U
Application number: CN202223170581.2U
Authority: CN
Inventors: 张玉明; 倪海东; 陈烽
Original assignee: Zhangjiagang Huagang Industrial Co ltd
Current assignee: Zhangjiagang Huagang Industrial Co ltd
Priority date: 2022-11-29
Filing date: 2022-11-29
Publication date: 2023-07-21
Anticipated expiration: 2032-11-29

Abstract

The utility model relates to the technical field of seamless steel tube processing, and discloses a precise seamless steel tube cold drawing device which comprises a workbench, wherein a support is fixedly connected to the top end of the workbench, a cylinder frame is fixedly connected to the top end of the support, a limiting assembly is arranged in the cylinder frame, the limiting assembly comprises two arc limiting plates, two groups of connecting loop bars and two groups of movable bars, and an auxiliary fixing assembly is arranged at the top end of the workbench. This accurate seamless steel pipe cold drawing device, through the design of spacing subassembly and auxiliary fixing subassembly, realize the spacing fixed back to seamless steel pipe at the elastic potential that utilizes reset spring, two electric telescopic handle of operation remove the bracket to a take the altitude, operation servo motor is until realizing two locating pieces and to the auxiliary fixation of seamless steel pipe, this mode can carry out effectual centre gripping to the seamless steel pipe of equidimension fixedly, need not to change corresponding mould when carrying out the cold drawing to the seamless steel pipe of equidimension, has guaranteed the cold drawing efficiency of seamless steel pipe.

Description

Cold drawing device for precision seamless steel tube

Technical Field

The utility model relates to the technical field of seamless steel tube processing, in particular to a precise seamless steel tube cold drawing device.

Background

The seamless steel pipe is formed by perforating a whole round steel, and the surface of the seamless steel pipe is free of welding seams. The seamless steel pipe may be classified into a hot rolled seamless steel pipe, a cold drawn seamless steel pipe, an extruded seamless steel pipe, a push pipe, etc., according to the production method.

According to the improvement of a seamless steel tube cold drawing die disclosed in the patent application number CN214767876U, the die comprises an operation table, a die body and the like, and the die body is adjusted, so that the mounting rod of the die body can be effectively clamped and fixed, but the seamless steel tubes with different sizes cannot be fixed, and the corresponding dies are required to be replaced when the seamless steel tubes with different sizes are subjected to cold drawing, so that the cold drawing efficiency of the seamless steel tubes is affected.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a precise seamless steel tube cold drawing device, which aims to solve the problems in the prior art.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the cold drawing device for the precision seamless steel tube comprises a workbench, wherein the top end of the workbench is fixedly connected with a bracket, the top end of the bracket is fixedly connected with a cylinder frame, and a limiting assembly is arranged in the cylinder frame;

the limiting assembly comprises two arc limiting plates, two groups of connecting loop bars and two groups of movable bars, wherein the two arc limiting plates are symmetrically arranged in the cylinder frame, the two groups of connecting loop bars are symmetrically and fixedly connected to the inner walls of the arc limiting plates, the two groups of movable bars are respectively and slidably sleeved at one ends of the two groups of connecting loop bars, and the two arc limiting plates are respectively and fixedly connected to one ends of the two groups of movable bars;

the top of workstation is provided with supplementary fixed subassembly.

Preferably, two guide grooves are symmetrically formed in the outer side of the connecting sleeve rod, guide blocks are connected in a sliding penetrating mode in the two guide grooves, and the two guide blocks are symmetrically and fixedly connected to the top of the movable rod.

Preferably, a reset spring is fixedly connected to the top end of the inner cavity of the connecting sleeve rod, and the bottom end of the reset spring is fixedly connected with the top end of the movable rod.

Preferably, the auxiliary fixing assembly comprises two electric telescopic rods, two brackets, two groups of movable clamping plates and two groups of positioning blocks, wherein the two electric telescopic rods are symmetrically and fixedly arranged at the top ends of the workbench, the two brackets are respectively connected with the output ends of the two electric telescopic rods in a transmission mode, the two groups of movable clamping plates are respectively arranged above the two brackets, and the two groups of positioning blocks are respectively and fixedly connected with the inner tops of the two groups of movable clamping plates.

Preferably, the top fixedly connected with supporting shoe of bracket, two spouts have been seted up to the top symmetry of bracket, two the inside all slip cap of spout is equipped with the slider, slider fixed connection is in the bottom of movable splint.

Preferably, the bidirectional threaded rod is installed at the top of the inner cavity of the bracket, two symmetrical threads of the sliding blocks are sleeved on the outer side of the bidirectional threaded rod, a servo motor is fixedly installed at the top of one side of the bracket, and the output end of the servo motor is fixedly connected with one end of the bidirectional threaded rod.

(III) beneficial effects

Compared with the prior art, the utility model provides a precise seamless steel tube cold drawing device, which has the following beneficial effects:

this accurate seamless steel pipe cold drawing device, through the design of spacing subassembly and auxiliary fixing subassembly, pass the back with seamless steel pipe from drum frame one end, utilize reset spring's elastic potential energy under, can realize that two arc limiting plates are fixed to the spacing of seamless steel pipe, after moving two electric telescopic handle with the bracket and moving to a take the altitude, operation servo motor drives two-way threaded rod and rotates, two sliders are moved to the direction that is close to each other respectively in the spout to two sliders removal drive two movable clamp plates and remove, until realizing that two locating pieces are fixed to the auxiliary of seamless steel pipe, this mode can carry out effectual centre gripping to the seamless steel pipe of equidimension and fix, need not to change corresponding mould when carrying out the cold drawing to the seamless steel pipe of equidimension, the cold drawing efficiency of seamless steel pipe has been guaranteed.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 3 is a side view of the cylinder frame of the present utility model;

fig. 4 is a side view of the auxiliary fixing assembly of the present utility model.

In the figure: 1. a work table; 2. a bracket; 3. a cylinder frame; 4. an arc limiting plate; 5. an electric telescopic rod; 6. a bracket; 7. a movable clamping plate; 8. connecting a loop bar; 9. a movable rod; 10. a guide groove; 11. a guide block; 12. a return spring; 13. a support block; 14. a positioning block; 15. a two-way threaded rod; 16. a chute; 17. a slide block; 18. a servo motor.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the utility model provides a technical scheme, a precision seamless steel tube cold drawing device, which comprises a workbench 1, wherein the top end of the workbench 1 is fixedly connected with a bracket 2, the top end of the bracket 2 is fixedly connected with a cylinder frame 3, a limiting component is arranged in the cylinder frame 3 and comprises two arc limiting plates 4, two groups of connecting sleeve rods 8 and two groups of movable rods 9, wherein the number of each group of connecting sleeve rods 8 and each movable rod 9 is three, the two arc limiting plates 4 are symmetrically arranged in the cylinder frame 3, an elastic pad is arranged on the inner side of each arc limiting plate 4, a seamless steel tube penetrates through the cylinder frame 3 and is positioned between the two arc limiting plates 4, the two groups of connecting sleeve rods 8 are symmetrically and fixedly connected to the inner wall of each arc limiting plate 4, the two groups of movable rods 9 are respectively and slidably sleeved at one ends of the two groups of the connecting sleeve rods 8, and the two arc limiting plates 4 are respectively and fixedly connected to one ends of the two groups of the movable rods 9 through sliding sleeves between the movable rods 9 and the connecting sleeve rods 8, so that the longitudinal movement of the arc limiting plates 4 is realized, and then the seamless steel tube with various specifications is fixed.

Two guide grooves 10 are symmetrically formed in the outer side of the connecting sleeve rod 8, guide blocks 11 are connected in a sliding penetrating mode in the two guide grooves 10, the two guide blocks 11 are symmetrically and fixedly connected to the top of the movable rod 9, the two guide blocks 11 are connected with the guide grooves 10 in a sliding penetrating mode to limit the maximum longitudinal moving distance of the arc limiting plates 4, a reset spring 12 is fixedly connected to the top end of an inner cavity of the connecting sleeve rod 8, reference is made to fig. 2, the reset spring 12 is in an unstressed state at the moment, the bottom end of the reset spring 12 is fixedly connected with the top end of the movable rod 9, and limiting fixation of the two arc limiting plates 4 to seamless steel pipes is achieved by means of elastic potential energy of the reset spring 12.

The top of workstation 1 is provided with auxiliary fixing subassembly, auxiliary fixing subassembly includes two electric telescopic handle 5, two brackets 6, two sets of movable clamp plates 7 and two sets of locating piece 14, wherein the quantity of every movable clamp plate 7 of group and locating piece 14 is two, two electric telescopic handle 5 symmetry fixed mounting is on the top of workstation 1, two brackets 6 transmission respectively connect the output at two electric telescopic handle 5, two sets of movable clamp plates 7 set up the top at two brackets 6 respectively, two sets of locating piece 14 respectively fixed connection are at the inboard top of two sets of movable clamp plates 7, can adjust whole height according to the fixed seamless steel pipe of spacing subassembly centre gripping through electric telescopic handle 5.

The top fixedly connected with supporting shoe 13 of bracket 6, the top of supporting shoe 13 is the arc, two spouts 16 have been seted up to the top symmetry of bracket 6, the inside all slip cap of two spouts 16 is equipped with slider 17, slider 17 fixed connection is in the bottom of movable splint 7, establish through the slip cap between slider 17 and the spout 16, thereby satisfy the auxiliary fixed work to the seamless steel pipe of multiple specification between two movable splint 7, bidirectional threaded rod 15 is installed at the inner chamber top of bracket 6, bidirectional threaded rod 15 can rotate relative to bracket 6, two sliders 17 symmetrical screw thread cup joints in the outside of bidirectional threaded rod 15, through the rotation of bidirectional threaded rod 15, in order to realize that two sliders 17 respectively move to opposite directions in two spouts 16, one side top fixed mounting of bracket 6 has servo motor 18, servo motor 18 passes through external power line and external power source electric connection, servo motor 18's output and bidirectional threaded rod 15's one end fixed connection.

The working principle of the device is as follows: when the seamless steel tube cold drawing device is used, after a seamless steel tube passes through one end of the cylindrical frame 3, the limiting and fixing of the seamless steel tube by the two arc limiting plates 4 can be realized by using the elastic potential energy of the reset spring 12, then the two electric telescopic rods 5 are operated simultaneously, the electric telescopic rods 5 are operated to drive the electric bracket 6 to move upwards, when the bracket 6 is moved to a certain height, the supporting blocks 13 are in contact with the seamless steel tube, then the servo motor 18 is operated to drive the bidirectional threaded rod 15 to rotate, the bidirectional threaded rod 15 rotates to drive the two sliding blocks 17 to move in the sliding grooves 15 towards the directions close to each other respectively, the two sliding blocks 17 move to drive the two movable clamping plates 7 to move until the two movable clamping plates 7 and the two positioning blocks 14 are fixed in an auxiliary mode on the seamless steel tube, so that the steel tube is prevented from shaking during cold drawing, the stability of the seamless steel tube is improved, and the cold drawing quality of the seamless steel tube is improved.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a precision seamless steel pipe cold drawing device, includes workstation (1), its characterized in that: the top end of the workbench (1) is fixedly connected with a bracket (2), the top end of the bracket (2) is fixedly connected with a cylinder frame (3), and a limit component is arranged in the cylinder frame (3);

the limiting assembly comprises two arc limiting plates (4), two groups of connecting loop bars (8) and two groups of movable bars (9), wherein the two arc limiting plates (4) are symmetrically arranged in the cylinder frame (3), the two groups of connecting loop bars (8) are symmetrically and fixedly connected to the inner wall of the arc limiting plates (4), the two groups of movable bars (9) are respectively and slidably sleeved at one ends of the two groups of connecting loop bars (8), and the two arc limiting plates (4) are respectively and fixedly connected to one ends of the two groups of movable bars (9);

an auxiliary fixing component is arranged at the top end of the workbench (1).

2. The precision seamless steel tube cold drawing device according to claim 1, wherein: two guide grooves (10) are symmetrically formed in the outer side of the connecting sleeve rod (8), guide blocks (11) are connected in a sliding penetrating mode in the two guide grooves (10), and the two guide blocks (11) are symmetrically and fixedly connected to the top of the movable rod (9).

3. The precision seamless steel tube cold drawing device according to claim 1, wherein: the inner cavity top of the connecting sleeve rod (8) is fixedly connected with a return spring (12), and the bottom end of the return spring (12) is fixedly connected with the top end of the movable rod (9).

4. The precision seamless steel tube cold drawing device according to claim 1, wherein: the auxiliary fixing assembly comprises two electric telescopic rods (5), two brackets (6), two groups of movable clamping plates (7) and two groups of positioning blocks (14), wherein the two electric telescopic rods (5) are symmetrically and fixedly installed at the top ends of the workbench (1), the two brackets (6) are respectively connected with the output ends of the two electric telescopic rods (5) in a transmission mode, 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 and fixedly connected with the inner tops of the two groups of movable clamping plates (7).

5. The precision seamless steel tube cold drawing device according to claim 4, wherein: the top fixedly connected with supporting shoe (13) of bracket (6), two spouts (16) have been seted up to the top symmetry of bracket (6), two the inside of spout (16) is all overlapped in the slip cap and is equipped with slider (17), slider (17) fixed connection is in the bottom of movable clamp plate (7).

6. The precision seamless steel tube cold drawing device according to claim 5, wherein: the double-direction threaded rod (15) is installed at the inner chamber top of bracket (6), two the symmetrical screw thread of slider (17) cup joints in the outside of double-direction threaded rod (15), one side top fixed mounting of bracket (6) has servo motor (18), the output of servo motor (18) and the one end fixed connection of double-direction threaded rod (15).