CN101422790A - Pressure die-drawing device for producing bimetallic wire - Google Patents
Pressure die-drawing device for producing bimetallic wire Download PDFInfo
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- CN101422790A CN101422790A CNA2008101871697A CN200810187169A CN101422790A CN 101422790 A CN101422790 A CN 101422790A CN A2008101871697 A CNA2008101871697 A CN A2008101871697A CN 200810187169 A CN200810187169 A CN 200810187169A CN 101422790 A CN101422790 A CN 101422790A
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Abstract
The invention discloses a double metal wire production device, particularly a pressure die drawing device used for producing double metal wires. The device comprises a die holder (9) and a drawing die (10) connected with the die holder (9). The device is characterized in that the wire feeding side of the drawing die (10) is provided with an oil pressure cavity (2) communicated with a hydraulic power device, and the wire feeding position of the oil pressure cavity (2) is provided with a sealing device. The device has the advantages that the lubricating material has large adhesive force on the wire blank surface; the drawing die has small friction with the wire surface; the drawing die and wire blank can be cooled and has balanced temperature at any time during drawing; and the device can achieve good metallurgical bonding, good wire surface quality with surface stress evenly distributed and more superfine radial dimension.
Description
Technical field
The present invention relates to a kind of bimetallic conductor material production device, particularly a kind of production bimetallic wire pressure die-drawing device.
Background technology
At present, the production method of bimetal recombination line such as copper cover aluminum or copper covered steel base mainly is the clad welded method, earlier copper strips is coated on the appearance of aluminium or steel wire rod, utilizes the mode of argon arc welding to weld the formed longitudinal seam in copper strips coating back again, make bimetal recombination line bases such as copper cover aluminum or copper covered steel; Then above-mentioned bimetal recombination line base is carried out the multi-pass drawing and handle, make copper and aluminium realize metallurgical binding, become one, produce bimetallic composite wire rods such as all size copper cover aluminum of user's needs or copper covered steel.
The die-drawing device that is adopted in the drawing process of bimetallic wire blank is open, drawing die promptly is installed on die holder, one side of drawing die is the end of incoming cables, opposite side is a leading-out terminal, the drawing die centre bore that is positioned at end of incoming cables one side is taper, the centre bore of leading-out terminal one side is column, and bimetallic wire blank radial dimension after the drawing of draw-off gear is by drawing die diminishes.The line base has bigger friction with the drawing die contact position, its lubricated dry powder lubriation material or bigger drawing oil of viscosity of adopting.Existing this draw-off gear has following shortcoming: 1, the adhesive force between lubriation material and the line base surface is little, friction between drawing die and the line base is big, in drawing process, have between friction and pulling capacity, seek balance-a suitable drawing die drawing angle; 2, drawing die and line base can not get good cooling in drawing process, and temperature can not get balance.Influence the metallurgical binding of copper and aluminium or copper and steel like this, can't produce bimetal recombination lines such as high-quality copper cover aluminum or copper covered steel; And the bimetallic wire top layer is produced scratch, the wire surface stress distribution after the drawing is inhomogeneous, more can't produce the following glass-coated microwire of 0.1mm.
Summary of the invention
The purpose of this invention is to provide that the online base surface adhesion force of a kind of lubriation material is big, between drawing die and the line base surface little, the drawing die of friction and line base when drawing, can obtain at any time cooling processing and temperature balance, metallurgical binding well, the wire surface quality is good and surface stress is evenly distributed, the products radial size can be more fine production bimetallic wire pressure die-drawing device, overcome the deficiencies in the prior art.
Production bimetallic wire pressure die-drawing device of the present invention, it comprises die holder 9 and the drawing die 10 that is connected with die holder 9, it is characterized in that: inlet wire one side of drawing die 10 is provided with the oil pressure chamber 2 that is connected with hydraulic power unit, and the point of incoming cables in described oil pressure chamber 2 is provided with sealing device.
Production bimetallic wire pressure die-drawing device of the present invention, wherein said die holder 9 inboards are provided with cylinder body 8, the inner chamber of cylinder body 8 is described oil pressure chamber 2, and described drawing die 10 is installed in an end of cylinder body 8, and described sealing device is located at the other end of cylinder body 8.
Production bimetallic wire pressure die-drawing device of the present invention, wherein said sealing device is sealing drawing die 7.
Production bimetallic wire pressure die-drawing device of the present invention, one end of wherein said die holder 9 is provided with outlet end cap 11, between outlet end cap 11 and drawing die 10, form line end draining chamber 13, the below in leading-out terminal draining chamber 13 is provided with leading-out terminal draining hole 17, the other end of die holder 9 is provided with inlet wire end cap 6, form draining chamber, end of incoming cables 14 between inlet wire end cap 6 and sealing drawing die 7, the below in draining chamber, end of incoming cables 14 is provided with draining hole, end of incoming cables 4.
Production bimetallic wire pressure die-drawing device of the present invention, wherein said outlet end cap 11 is provided with outlet fairlead 12, and inlet wire end cap 6 is provided with inlet wire fairlead 5.
Production bimetallic wire pressure die-drawing device of the present invention, the operating pressure in the wherein said oil pressure chamber 2 is controlled between 1MPa～15MPa.
Production bimetallic wire pressure die-drawing device of the present invention, in operation process, has certain pressure in the oil pressure chamber 2, make hydraulic oil simultaneously also as the strong online base surface of adhering to of lubriation material, be that online base surface forms the high pressure oil film, form lubricating layer between online base of high pressure oil film and the drawing die, play buffer action, make not directly contact between the two, greatly strengthened lubricating between drawing die and the line base surface, reduced friction between the two greatly, coefficient of friction reduces 50%, pulling capacity reduces more than 20%, has protected by the outer surface of drawing bimetallic conductor, and the bimetallic top layer after the drawing is smooth, this high pressure oil film makes by the drawing bimetal recombination line by drawing die 10 time, play the effect of compression tube reducing, this is the drawing purpose, and the continuous drawing ability is strong, hydraulic oil is taken away heat in flow process simultaneously, can play the balanced action of cooling effect and temperature, make bimetallic metallurgical binding good, improve the quality of metallurgical binding; Composition metal wire rod surface after the drawing does not have scuffing, and surface stress is evenly distributed, and can produce the more fine composite wire of radial dimension.
Description of drawings
Fig. 1 is the structural representation of the specific embodiment of the invention;
The specific embodiment
As shown in Figure 1: 9 is die holder, is provided with cylinder body 8 at the endoporus place of die holder 9, and the side of cylinder body 8 is processed with fuel feed hole 1 and spill port 3, and fuel feed hole 1 and spill port 3 join by fluid pressure line and by-pass valve control and hydraulic power unit.
Be fixed with sealing drawing die 7 at the right-hand member of cylinder body 8 by sealing drawing die gland 15, the centre bore right part of sealing drawing die 7 is taper, and left part is column, is connected for bolting between sealing drawing die gland 15 and the cylinder body 8.
Right end at die holder 9 has been bolted to connection inlet wire end cap 6, and the central hole of inlet wire end cap 6 has inlet wire fairlead 5 by bolting.Form draining chamber, end of incoming cables 14 in interior (left side) of inlet wire end cap 6 side, be provided with the draining hole, end of incoming cables 4 that is connected with draining chamber, end of incoming cables 14 in the bottom of inlet wire end cap 6, draining hole 4, end of incoming cables joins by fuel tank in pipeline and the hydraulic power unit.
Left end at cylinder body 8 is fixed with drawing die 10 by drawing die gland 16, and the centre bore right part of drawing die 10 is taper, and left part is column, is connected for bolting between drawing die gland 16 and the cylinder body 8.
Left end at die holder 9 has been bolted to connection outlet end cap 11, and the central hole of outlet end cap 11 has outlet fairlead 12 by bolting.Side forms line end draining chamber 13 on interior (right side) of outlet end cap 11, is provided with the leading-out terminal draining hole 17 that is connected with leading-out terminal draining chamber 13 in the bottom of outlet end cap 11, and leading-out terminal draining hole 17 joins by fuel tank in pipeline and the hydraulic power unit.
18 are the drawing wind.
During work, operating pressure in the oil pressure chamber 2 of cylinder body 8 inboards is controlled to be 1MPa or 2MPa or 3MPa or 4MPa or 5MPa or 6MPa or 7MPa or 8MPa or 9MPa or 10MPa or 11MPa or 12MPa or 13MPa or 14MPa or 15MPa, promptly all can between 1MPa～15MPa.The line base under the effect of drawing wind 18, behind inlet wire fairlead 5, sealing drawing die 7, drawing die 10, outlet fairlead 12 by drawing.Drawing die 10 is the work mould, and online base enters before the drawing die 10, and sealing drawing die 7 has played certain drawing effect, has played the sealing function to the oil pressure chamber 2 of cylinder body 8 inboards simultaneously.Because hydraulic oil is for recycling, the heat that drawing produces is taken away rapidly, carry out constant temperature and filtration treatment by hydraulic system, thereby guarantee that lubricant is clean, constant temperature, bimetal recombination lines such as high-quality for producing, low when fine copper cover aluminum of copper layer volume or copper covered steel provide possibility.
Claims (6)
1, a kind of production bimetallic wire pressure die-drawing device, it comprises die holder (9) and the drawing die (10) that is connected with die holder (9), it is characterized in that: inlet wire one side of drawing die (10) is provided with the oil pressure chamber (2) that is connected with hydraulic power unit, and the point of incoming cables in described oil pressure chamber (2) is provided with sealing device.
2, production bimetallic wire pressure die-drawing device according to claim 1, it is characterized in that: described die holder (9) inboard is provided with cylinder body (8), the inner chamber of cylinder body (8) is described oil pressure chamber (2), described drawing die (10) is installed in an end of cylinder body (8), and described sealing device is located at the other end of cylinder body (8).
3, production bimetallic wire pressure die-drawing device according to claim 2 is characterized in that: described sealing device is sealing drawing die (7).
4, production bimetallic wire pressure die-drawing device according to claim 3, it is characterized in that: an end of described die holder (9) is provided with outlet end cap (11), between outlet end cap (11) and drawing die (10), form line end draining chamber (13), the below in leading-out terminal draining chamber (13) is provided with leading-out terminal draining hole (17), the other end of die holder (9) is provided with inlet wire end cap (6), form draining chamber, end of incoming cables (14) between inlet wire end cap (6) and sealing drawing die (7), the below in draining chamber, end of incoming cables (14) is provided with draining hole, end of incoming cables (4).
5, production bimetallic wire pressure die-drawing device according to claim 4, it is characterized in that: described outlet end cap (11) is provided with outlet fairlead (12), and inlet wire end cap (6) is provided with inlet wire fairlead (5).
6, production bimetallic wire pressure die-drawing device according to claim 5 is characterized in that: the operating pressure in the described oil pressure chamber (2) is controlled between 1MPa～15MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101871697A CN101422790A (en) | 2008-12-11 | 2008-12-11 | Pressure die-drawing device for producing bimetallic wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101871697A CN101422790A (en) | 2008-12-11 | 2008-12-11 | Pressure die-drawing device for producing bimetallic wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101422790A true CN101422790A (en) | 2009-05-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008101871697A Pending CN101422790A (en) | 2008-12-11 | 2008-12-11 | Pressure die-drawing device for producing bimetallic wire |
Country Status (1)
| Country | Link |
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| CN (1) | CN101422790A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101804423A (en) * | 2010-03-08 | 2010-08-18 | 彩虹集团电子股份有限公司 | Automatic coil wall-thickness reduction and drawing device and drawing method of small-diameter capillary tube |
| CN103464493A (en) * | 2013-09-15 | 2013-12-25 | 无锡平盛科技有限公司 | Final assembly structure of water box drawbench mould box |
| CN103464483A (en) * | 2013-09-30 | 2013-12-25 | 无锡常欣科技股份有限公司 | Adjustable die device of turnover-type water tank wire drawing machine |
| CN106057354A (en) * | 2016-05-19 | 2016-10-26 | 绍兴市力博电气有限公司 | Production method of roll-type copper busbar used for electrician |
-
2008
- 2008-12-11 CN CNA2008101871697A patent/CN101422790A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101804423A (en) * | 2010-03-08 | 2010-08-18 | 彩虹集团电子股份有限公司 | Automatic coil wall-thickness reduction and drawing device and drawing method of small-diameter capillary tube |
| CN103464493A (en) * | 2013-09-15 | 2013-12-25 | 无锡平盛科技有限公司 | Final assembly structure of water box drawbench mould box |
| CN103464493B (en) * | 2013-09-15 | 2015-07-29 | 无锡平盛科技有限公司 | The total assembling structure of water box drawbench mould box |
| CN103464483A (en) * | 2013-09-30 | 2013-12-25 | 无锡常欣科技股份有限公司 | Adjustable die device of turnover-type water tank wire drawing machine |
| CN103464483B (en) * | 2013-09-30 | 2015-03-18 | 无锡常欣科技股份有限公司 | Adjustable die device of turnover-type water tank wire drawing machine |
| CN106057354A (en) * | 2016-05-19 | 2016-10-26 | 绍兴市力博电气有限公司 | Production method of roll-type copper busbar used for electrician |
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Application publication date: 20090506 |