CN203610428U - High-precision steel pipe cold-drawing machine - Google Patents
High-precision steel pipe cold-drawing machine Download PDFInfo
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- CN203610428U CN203610428U CN201320876552.XU CN201320876552U CN203610428U CN 203610428 U CN203610428 U CN 203610428U CN 201320876552 U CN201320876552 U CN 201320876552U CN 203610428 U CN203610428 U CN 203610428U
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- steel tube
- hole
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- steel pipe
- forming mould
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Abstract
The utility model relates to a high-precision steel pipe cold-drawing machine, which comprises a cold-drawing trolley and a drawing die holder, wherein a rail matched with the cold-drawing trolley is arranged on the outlet side of the drawing die holder; a chain wheel transmission mechanism is arranged on the rail; a clamping mechanism connected with the chain wheel transmission mechanism is arranged on the cold-drawing trolley; a steel pipe forming die is arranged on the drawing die holder; a circular rotating body is arranged outside the steel pipe forming die; the outer circle of the rotating body is spherical; a through hole is formed in the axial direction of the rotating body; the steel pipe forming die is fixedly arranged in the through hole; the through hole is provided with a fixing mechanism or a fixing structure for the steel pipe forming die; a spherical cavity matched with the outer circle of the rotating body is formed in the drawing die holder. According to the high-precision steel pipe cold-drawing machine, the steel pipe forming die is arranged in the rotating body capable of rotating relative to the drawing die holder, and the rotating body can rotate relative to the drawing die holder to fulfill the aim of regulating the direction of cold-drawing force in a cold-drawing process, so that a manufactured steel pipe is higher in precision, and particularly, the coaxiality and the linearity of the steel pipe are improved.
Description
Technical field
The utility model relates to steel pipe manufacturing equipment technical field, especially a kind of high precision steel tube drawbench.
Background technology
Drawbench is as the main process equipment of cold drawing steel tube, it is to carry out secondary operations for draw ferrous and nonferrous metals bar material under normal temperature with to the hollow forging after hot rolling, extruding, is that production is small-bore, precision; thin-walled, the main process equipment of high-mechanical property tubing.
Drawbench, according to the kind of drive, can be divided into various types of machines that pull out such as chain type, hydraulic driven, rack-and-pinion, screw type.Because hydraulic drive operates steadily, structurally guarantee again the in full accord of Drawing Force position and steel pipe axis, inside and outside mold shaft line, core bar axis, thereby improved Product Precision, do not produced circular runout, its axiality of the kind of drive and the linearity of comparing other are high.But its stroke is subject to the length restriction of Barrel of Hydraulic Cylinders, long its manufacture difficulty of cylinder barrel length and precision all will reduce, therefore hydraulic drive form can only be applicable to the shorter situation of steel pipe length, in the time that steel pipe length is longer, as while reaching more than 3 meters and 3 meters, its axiality and linearity all can reduce, and lose ground.In prior art, the chain type kind of drive is easy to manufacture with its equipment, and easy operating is with low cost, reliable, is applicable to be applied reliably compared with advantages such as long steel pipes.But its accuracy of manufacture is relatively low, especially axiality and linearity.
In view of this, need one to be applicable to long steel pipe, and the higher drawbench of the accuracy of manufacture.
Summary of the invention
The technical problems to be solved in the utility model is: overcome the low technical problem of chain cold-drawing machine precision in prior art, a kind of high precision steel tube drawbench is provided, after improving, even use linked transmission, its cold-drawn precision also improves a lot, and axiality and the linearity of its steel pipe all improve a lot.
The utility model solves the technical scheme that its technical problem adopts: a kind of high precision steel tube drawbench, comprise cold-drawing trolley and withdrawing pattern seat, the outlet side of withdrawing pattern seat is provided with the track matching with cold-drawing trolley, described track is provided with chain wheel driving mechanism, on described cold-drawing trolley, there is the clamp mechanism being connected with chain wheel driving mechanism, on described withdrawing pattern seat, there is steel tube forming mould, described steel tube forming mould is provided with the rotor of an annular outward, the outer ring of described rotor is sphere, on the axis direction of rotor, there is through hole, fixed installation steel tube forming mould in through hole, described through hole has fixed mechanism or the fixed structure of fixing steel tube forming mould, on described withdrawing pattern seat, there is the sphere chamber matching with rotor outer ring.
A kind of embodiment, described through hole is stepped hole, and the internal diameter that is positioned at a side of its outlet in through hole is less than the external diameter of steel tube forming mould, and the internal diameter of a side and the external diameter of steel tube forming mould that in through hole, are positioned at its import match.In the time of steel pipe drawing, steel tube forming mould, under the effect of stepped hole, is fixed in through hole, and easy accessibility, is convenient to change the steel tube forming mould of different bores.
Another kind of embodiment, a side that is positioned at its outlet in described through hole has thread segment, the described thread segment swivel nut that is threaded.In the time of steel pipe drawing, steel tube forming mould, under the effect of swivel nut, is fixed in through hole, and easy accessibility, is convenient to change the steel tube forming mould of different bores.
Further, the inlet side of described withdrawing pattern seat has the support of supporting steel pipe, has at least one gripper shoe on described support, in described gripper shoe, has V-shaped groove.
The beneficial effects of the utility model are, high precision steel tube drawbench of the present utility model, steel tube forming mould is arranged in the rotor that can relatively rotate with withdrawing pattern seat, in Cold Drawing Process, rotor can relatively rotate with withdrawing pattern seat, to reach the object of the direction that regulates cold-drawn power, can produce like this axiality and the linearity of the steel pipe that precision is higher, especially steel pipe.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the structural representation of high precision steel tube drawbench preferred embodiment of the present utility model;
Fig. 2 is the cutaway view of withdrawing pattern seat embodiment mono-of the present utility model;
Fig. 3 is the cutaway view of withdrawing pattern seat embodiment bis-of the present utility model.
In figure: 1. cold-drawing trolley, 11. clamp mechanism, 2. withdrawing pattern seat, 21. steel tube forming moulds, 22. rotors, 23. swivel nuts, 3. track, 4. chain wheel driving mechanism, 5. support, 6. gripper shoe.
The specific embodiment
By reference to the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, and basic structure of the present utility model is only described in a schematic way, and therefore it only shows the formation relevant with the utility model.
As shown in Figure 1, a kind of high precision steel tube drawbench of the present utility model, comprise cold-drawing trolley 1 and withdrawing pattern seat 2, the outlet side of withdrawing pattern seat 2 is provided with the track 3 matching with cold-drawing trolley 1, described track 3 is provided with chain wheel driving mechanism 4, on described cold-drawing trolley 1, there is the clamp mechanism 11 being connected with chain wheel driving mechanism 4, on described withdrawing pattern seat 2, there is steel tube forming mould 21, the described outer rotor 22 that is provided with an annular of steel tube forming mould 21, the outer ring of described rotor 22 is sphere, on the axis direction of rotor 22, there is through hole, fixed installation steel tube forming mould 21 in through hole, described through hole has fixed mechanism or the fixed structure of fixing steel tube forming mould 21, on described withdrawing pattern seat 2, there is the sphere chamber matching with rotor 22 outer rings.
Fig. 2 embodiment mono-, described through hole is stepped hole, and the internal diameter that is positioned at a side of its outlet in through hole is less than the external diameter of steel tube forming mould 21, and the internal diameter of a side and the external diameter of steel tube forming mould 21 that in through hole, are positioned at its import match.In the time of steel pipe drawing, steel tube forming mould 21, under the effect of stepped hole, is fixed in through hole, and easy accessibility, is convenient to change the steel tube forming mould 21 of different bores.
Fig. 3 embodiment bis-, a side that is positioned at its outlet in described through hole has thread segment, the described thread segment swivel nut 23 that is threaded.In the time of steel pipe drawing, steel tube forming mould 21, under the effect of swivel nut 23, is fixed in through hole, and easy accessibility, is convenient to change the steel tube forming mould 21 of different bores.
Further, the inlet side of described withdrawing pattern seat 2 has the support 5 of supporting steel pipe, has at least one gripper shoe 6 on described support 5, in described gripper shoe 6, has V-shaped groove.
In use, chain wheel driving mechanism 4 is in the time driving cold-drawing trolley 1 to move, have slight vibrations, these vibrations can be conducted to cold-drawing trolley 1, cause cold-drawn power to have certain direction and change, and this variation can cause the axiality of steel pipe and linearity to reduce, rotor 22 is finely tuned at the cold-drawn power upper/lower positions of cold-drawing trolley 1, to adapt to the variation of cold-drawn force direction, the sphere chamber of the sphere of rotor 22 and withdrawing pattern seat 2 rotates, and adapts to realize the object that cold-drawn power changes.
Take above-mentioned foundation desirable embodiment of the present utility model as enlightenment, by above-mentioned description, relevant staff can, not departing from the scope of this utility model technological thought, carry out various change and modification completely.The technical scope of this utility model is not limited to the content on description, must determine its technical scope according to claim scope.
Claims (4)
1. a high precision steel tube drawbench, comprise cold-drawing trolley and withdrawing pattern seat, the outlet side of withdrawing pattern seat is provided with the track matching with cold-drawing trolley, described track is provided with chain wheel driving mechanism, on described cold-drawing trolley, there is the clamp mechanism being connected with chain wheel driving mechanism, it is characterized in that: on described withdrawing pattern seat, there is steel tube forming mould, described steel tube forming mould is provided with the rotor of an annular outward, the outer ring of described rotor is sphere, on the axis direction of rotor, there is through hole, fixed installation steel tube forming mould in through hole, described through hole has fixed mechanism or the fixed structure of fixing steel tube forming mould, on described withdrawing pattern seat, there is the sphere chamber matching with rotor outer ring.
2. high precision steel tube drawbench as claimed in claim 1, it is characterized in that: described through hole is stepped hole, the internal diameter that is positioned at a side of its outlet in through hole is less than the external diameter of steel tube forming mould, and the internal diameter of a side and the external diameter of steel tube forming mould that in through hole, are positioned at its import match.
3. high precision steel tube drawbench as claimed in claim 1, is characterized in that: a side that is positioned at its outlet in described through hole has thread segment, the described thread segment swivel nut that is threaded.
4. the high precision steel tube drawbench as described in claim 1 or 2 or 3, is characterized in that: the inlet side of described withdrawing pattern seat has the support of supporting steel pipe, has at least one gripper shoe on described support, in described gripper shoe, has V-shaped groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320876552.XU CN203610428U (en) | 2013-12-27 | 2013-12-27 | High-precision steel pipe cold-drawing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320876552.XU CN203610428U (en) | 2013-12-27 | 2013-12-27 | High-precision steel pipe cold-drawing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203610428U true CN203610428U (en) | 2014-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320876552.XU Expired - Fee Related CN203610428U (en) | 2013-12-27 | 2013-12-27 | High-precision steel pipe cold-drawing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203610428U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105057373A (en) * | 2015-08-06 | 2015-11-18 | 李千林 | Cold-drawing machine for machining hydraulic steel pipes |
| CN107159728A (en) * | 2017-07-14 | 2017-09-15 | 崔红宝 | Withdrawing pattern seat and drawbench |
| CN107855374A (en) * | 2017-11-23 | 2018-03-30 | 浙江中达特钢股份有限公司 | A kind of cold-drawn equipment of processing TP316L precision seamless steel tubes |
| CN113263066A (en) * | 2021-05-19 | 2021-08-17 | 浙江弘汇钢管制造有限公司 | High-precision cold-drawing equipment for high-cleanness corrosion-resistant stainless steel seamless steel pipe |
| CN116921478A (en) * | 2023-07-24 | 2023-10-24 | 山东永安昊宇制管有限公司 | Efficient cold drawing machine for seamless steel tube production |
-
2013
- 2013-12-27 CN CN201320876552.XU patent/CN203610428U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105057373A (en) * | 2015-08-06 | 2015-11-18 | 李千林 | Cold-drawing machine for machining hydraulic steel pipes |
| CN107159728A (en) * | 2017-07-14 | 2017-09-15 | 崔红宝 | Withdrawing pattern seat and drawbench |
| CN107855374A (en) * | 2017-11-23 | 2018-03-30 | 浙江中达特钢股份有限公司 | A kind of cold-drawn equipment of processing TP316L precision seamless steel tubes |
| CN107855374B (en) * | 2017-11-23 | 2023-11-03 | 浙江中达新材料股份有限公司 | Cold drawing equipment for machining TP316L precise seamless steel tube |
| CN113263066A (en) * | 2021-05-19 | 2021-08-17 | 浙江弘汇钢管制造有限公司 | High-precision cold-drawing equipment for high-cleanness corrosion-resistant stainless steel seamless steel pipe |
| CN116921478A (en) * | 2023-07-24 | 2023-10-24 | 山东永安昊宇制管有限公司 | Efficient cold drawing machine for seamless steel tube production |
| CN116921478B (en) * | 2023-07-24 | 2024-05-03 | 山东永安昊宇制管有限公司 | Efficient cold drawing machine for seamless steel tube production |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140528 Termination date: 20161227 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |