CN202045287U - Pipe pushing type pipe expanding drawing head-making device - Google Patents
Pipe pushing type pipe expanding drawing head-making device Download PDFInfo
- Publication number
- CN202045287U CN202045287U CN2011201404930U CN201120140493U CN202045287U CN 202045287 U CN202045287 U CN 202045287U CN 2011201404930 U CN2011201404930 U CN 2011201404930U CN 201120140493 U CN201120140493 U CN 201120140493U CN 202045287 U CN202045287 U CN 202045287U
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- hole enlargement
- pipe
- expanding
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Abstract
The utility model discloses a pipe pushing type pipe expanding drawing head-making device, comprising an expanding drawing device and a head-making device successively and coaxially disposed on a drawing machine along a drawing direction, the expanding drawing device comprises a core rod capable of moving in the length direction of the core rod, a pipe pusher and an expanding core print disposed at the tail end of the core rod, and a drawing die disposed corresponding to one end of the expanding core print; wherein the expanding core print is fixedly installed at the head part of the core rod; the head-making device comprises a clamp and a lining core disposed in the clamp, and the clamp and the lining core form an annular cavity, and the diameter of the lining core is adapted to the inner diameter of a pipe blank after drawing. The pipe pushing type pipe expanding drawing head-making device is advantageous in that, a pipe pushing device is used to forcibly push the pipe into the expanding die, the expanding process is simple and operation is easy, labor intensity is low, efficiency is high, and inner and outer surfaces of the pipe are both smooth, the pipe pushing type pipe expanding drawing head-making device is particularly suitable for expanding processing for thin-wall and large-diameter pipes, and can be widely applied in colored and steel cold drawn pipe industries.
Description
Technical field
The utility model belongs to metal pipe material finishing technology field, relates to a kind of tubing hole enlargement draw-off gear, relates in particular to a kind of ejector sleeve formula tubing hole enlargement drawing system head unit.
Background technology
Diameter expansion method is that the diameter of tubing increases after the hole enlargement with the tubing of the big specification of pipe production of small dimension, and length and wall thickness reduce.Diameter expansion method is divided into the drawing hole enlargement and is pressed into hole enlargement.Usually, drawing hole enlargement mode is adopted in the tubing hole enlargement.Traditional drawing hole enlargement mode tubing before drawing need carry out cut, so that the hole enlargement core print is put into, and complicated operation, efficient is low, and is of poor quality, and material unaccounted-for (MUF) is big; And can only realize that external diameter increases, wall thickness nature attenuate amount is less, and the tube surfaces quality descends.
The utility model content
In view of this, the purpose of this utility model is the defective that exists in the prior art in order to overcome, and a kind of ejector sleeve formula tubing hole enlargement draw-off gear is provided.
Above-mentioned purpose realizes by following proposal:
A kind of ejector sleeve formula tubing hole enlargement drawing system head unit, it comprises along coaxial successively hole enlargement draw-off gear and the system head unit that is arranged on the drawbench of drawing direction, it is characterized in that:
Described hole enlargement draw-off gear comprises the core bar that can move at the core bar length direction, is arranged on bobbin ejector, the hole enlargement core print of core bar tail end, and the drawing mould that is arranged on corresponding hole enlargement core print one end; Wherein the hole enlargement core print is fixedly mounted on the head of core bar;
Described system head unit comprises clamp and is arranged on the interior lining core of clamp, and the cavity of a clamp and an annular of lining core formation, and the pipe internal diameter after lining core diameter and the drawing is suitable.
According to above-mentioned ejector sleeve formula tubing hole enlargement drawing system head unit, it is characterized in that: the external diameter of described core bar (2) be not less than pipe to be processed internal diameter 1/2.
According to above-mentioned ejector sleeve formula tubing hole enlargement drawing system head unit, it is characterized in that: described bobbin ejector comprises ejector sleeve (1) and drive unit thereof, and wherein ejector sleeve and core bar are suitable.
4. ejector sleeve formula tubing hole enlargement drawing system head unit according to claim 1, it is characterized in that: described hole enlargement core print is fixedlyed connected by the fast-assembling bayonet socket with core bar.
According to above-mentioned ejector sleeve formula tubing hole enlargement drawing system head unit, it is characterized in that: in the described system head unit, clamp and lining core are by two concentric hydraulic oil cylinder driving.
According to above-mentioned ejector sleeve formula tubing hole enlargement drawing system head unit, it is characterized in that: described core bar is provided with the core bar positioner.
The relative prior art of the utility model has following beneficial effect:
1, adopt the ejector sleeve device that tubing is pushed the hole enlargement mould by force, the hole enlargement operation is simple and direct, easy to operate, and labour intensity is low, efficient height (work efficiency improves more than 5 times than conventional method).
2, after the hole enlargement drawing directly by system head unit system head, do not need special system head apparatus, improved usage ratio of equipment, and tubing need not cut before the drawing.
3, realized that hole enlargement subtracts the wall drawing, shorten the hole enlargement passage, and the tubing surfaces externally and internally has been all smooth, especially be fit to the hole enlargement processing of thin-walled large-diameter pipe material, can be widely used in coloured and iron and steel drawn tube industry.
4, the utility model is simple in structure, can realize by increase device on common chain drawbench, need not to purchase expanding machine.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2-Fig. 4 is to use the utility model to carry out the process schematic diagram of tubing hole enlargement.
The specific embodiment
With reference to Fig. 1, a kind of ejector sleeve formula tubing hole enlargement draw-off gear comprises along coaxial successively hole enlargement draw-off gear and the system head unit that is arranged on the drawbench of drawing direction.The hole enlargement draw-off gear comprises core bar 2, is installed in the bobbin ejector and the hole enlargement core print 1 at core bar 2 two ends, is arranged on the drawing mould 5 of corresponding hole enlargement core print 4 one ends.Wherein bobbin ejector comprises ejector sleeve 1 and the drive unit thereof that cooperates with core bar 2.Ejector sleeve is movably arranged on the initiating terminal of core bar 2, and under the effect of drive unit, can slide on core bar.Hole enlargement core print 4 is fixedly mounted on the drawing end of core bar 2, and hole enlargement core print 4 and core bar 2 are fixedlyed connected by bayonet socket.Make head unit and comprise clamp 6 and the lining core 7 that is arranged in the clamp 6, and the cavity of a clamp 6 and an annular of lining core 7 formation, the pipe after this cavity and the drawing is suitable.
Referring to Fig. 2-4, during work, earlier pipe 3 is installed on the core bar 2, hole enlargement core print 4 is installed in an end of core bar 2; The other end of core bar 2 is installed in the ejector sleeve 1 of bobbin ejector, then core bar is installed in the relevant position on the drawbench.Ejector sleeve 1 pushes hole enlargement mould 5 by force with pipe 3 and carries out hole enlargement under the effect of drive unit; Pipe after the hole enlargement carries out online system head under the effect of system head unit.
Claims (6)
1. ejector sleeve formula tubing hole enlargement drawing system head unit, it comprises along coaxial successively hole enlargement draw-off gear and the system head unit that is arranged on the drawbench of drawing direction, it is characterized in that:
Described hole enlargement draw-off gear comprises the core bar (2) that can move at core bar (2) length direction, is arranged on bobbin ejector, the hole enlargement core print (4) of core bar tail end, and the drawing mould (5) that is arranged on corresponding hole enlargement core print (4) one ends; Wherein hole enlargement core print (4) is fixedly mounted on the head of core bar (2);
Described system head unit comprises clamp (6) and is arranged on the interior lining core (7) of clamp (6), and the cavity of a clamp (6) and an annular of lining core (7) formation, and the pipe internal diameter after lining core diameter and the drawing is suitable.
2. ejector sleeve formula tubing hole enlargement drawing system head unit according to claim 1 is characterized in that: the external diameter of described core bar (2) be not less than pipe to be processed (3) internal diameter 1/2.
3. ejector sleeve formula tubing hole enlargement drawing system head unit according to claim 1, it is characterized in that: described bobbin ejector comprises ejector sleeve (1) and drive unit thereof, wherein ejector sleeve (1) is suitable with core bar (2).
4. ejector sleeve formula tubing hole enlargement drawing system head unit according to claim 1, it is characterized in that: described hole enlargement core print (4) is fixedlyed connected by the fast-assembling bayonet socket with core bar (2).
5. ejector sleeve formula tubing hole enlargement drawing system head unit according to claim 1 is characterized in that: in the described system head unit, clamp (6) and lining core (7) are by two concentric hydraulic oil cylinder driving.
6. ejector sleeve formula tubing hole enlargement drawing system head unit according to claim 1, it is characterized in that: described core bar (2) is provided with the core bar positioner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201404930U CN202045287U (en) | 2011-05-06 | 2011-05-06 | Pipe pushing type pipe expanding drawing head-making device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201404930U CN202045287U (en) | 2011-05-06 | 2011-05-06 | Pipe pushing type pipe expanding drawing head-making device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202045287U true CN202045287U (en) | 2011-11-23 |
Family
ID=44985612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201404930U Expired - Fee Related CN202045287U (en) | 2011-05-06 | 2011-05-06 | Pipe pushing type pipe expanding drawing head-making device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202045287U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103962403A (en) * | 2014-05-02 | 2014-08-06 | 内蒙古北方重工业集团有限公司 | Squeezing-drawing method for wall thickness reduction of heavy caliber tubular product |
| CN104923680A (en) * | 2015-07-14 | 2015-09-23 | 攀钢集团研究院有限公司 | Pipe expanding machine for producing variable thickness steel pipe |
| CN105057478A (en) * | 2015-07-14 | 2015-11-18 | 攀钢集团研究院有限公司 | Method for producing variable-thickness variable-diameter steel pipes |
| CN106734284A (en) * | 2016-08-18 | 2017-05-31 | 广东科莱博科技有限公司 | A kind of metal tube stretching expanding machine and stretching diameter enlarging method |
| CN109622792A (en) * | 2018-12-17 | 2019-04-16 | 安徽宝泰特种材料有限公司 | A kind of bracket system for preventing tubing overbending of drawing reaming |
| CN110523790A (en) * | 2019-09-06 | 2019-12-03 | 徐州徐工液压件有限公司 | Hydraulic pressure cold drawing machine is expanding, head automatic sizing device processed and method |
-
2011
- 2011-05-06 CN CN2011201404930U patent/CN202045287U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103962403A (en) * | 2014-05-02 | 2014-08-06 | 内蒙古北方重工业集团有限公司 | Squeezing-drawing method for wall thickness reduction of heavy caliber tubular product |
| CN104923680A (en) * | 2015-07-14 | 2015-09-23 | 攀钢集团研究院有限公司 | Pipe expanding machine for producing variable thickness steel pipe |
| CN105057478A (en) * | 2015-07-14 | 2015-11-18 | 攀钢集团研究院有限公司 | Method for producing variable-thickness variable-diameter steel pipes |
| CN105057478B (en) * | 2015-07-14 | 2017-03-01 | 攀钢集团研究院有限公司 | The method producing Varying-thickness variable diameters steel pipe |
| CN106734284A (en) * | 2016-08-18 | 2017-05-31 | 广东科莱博科技有限公司 | A kind of metal tube stretching expanding machine and stretching diameter enlarging method |
| CN109622792A (en) * | 2018-12-17 | 2019-04-16 | 安徽宝泰特种材料有限公司 | A kind of bracket system for preventing tubing overbending of drawing reaming |
| CN110523790A (en) * | 2019-09-06 | 2019-12-03 | 徐州徐工液压件有限公司 | Hydraulic pressure cold drawing machine is expanding, head automatic sizing device processed and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111123 Termination date: 20140506 |