CN87105042A - Produce the modulus method and the device excessively of cable compact wire - Google Patents
Produce the modulus method and the device excessively of cable compact wire Download PDFInfo
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- CN87105042A CN87105042A CN 87105042 CN87105042A CN87105042A CN 87105042 A CN87105042 A CN 87105042A CN 87105042 CN87105042 CN 87105042 CN 87105042 A CN87105042 A CN 87105042A CN 87105042 A CN87105042 A CN 87105042A
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Abstract
A kind of method of producing cable compact wire is characterized in that having replaced heavy pressure roller compacting device with a special distorted pattern compacting device, and many single lines are trumpet-shaped cylinder mold by an end opening, once finish doubling.Shaping, press, procedure of processing, this is crossed the mould compaction and compares with general pressure roller compaction, it is simple to have technology, the compact wire diameter deviation is little, and it is good that the heart yearn skin compresses degree, and the core compressive deformation is even, installation, debugging, characteristics such as easy to operate, be applicable to and press different shape, all size, the cable core of various materials.
Description
The invention belongs to the improvement of cables manufacturing special equipment and method, be specially adapted to produce the process of cable compact wire.
Carry the cable core of big capacity electric energy, the twisted wire that generally adopts many single lines to be twisted together.In order to save insulation and sheath material, improve core surface field concentration phenomenon, all available compaction production of the cable core of different shape.Current domestic and international cable manufacturer generally is placed on the process of pressing of core moulding in one or two mutual vertical plane and presses in the roll and carry out, pressing the core that roll will pass through compresses, single line has just produced permanent modification, thereby makes compact wire obtain the shape of regulation.The cable garden type compact wire that the frame type stranding machine with advanced level that domestic certain factory caused from Belgian Gao Te company in 1986 is produced, adopt two pairs of pressure roller shuntings to press moulding: first road horizontal type pressure roller, twisted pair wire presses up and down; The vertical pressure roller in second road, twisted pair wire presses about carrying out.There are a lot of shortcomings in this method of pressing, for example, and this compacting device complex structure, processing and manufacturing difficulty, nearly ten thousand yuan of cover costs; Pinch roller very easily damages with bearing, needs often to change; The compact wire diameter deviation of producing is bigger, generally in ± 0.15mm scope, thereby has wasted a large amount of non-ferrous metals; Core compressive deformation inequality in pressing process promptly influences the electric property of twisted wire, causes the increase of insulating material and semi-conducting material consumption in the later process again; The amount of labour of operating personnel in installation, debugging, daily operation and when safeguarding is very big.
Purpose of the present invention, be to overcome the above-mentioned shortcoming of pressure roller compacting device, according to non-ferrous metal pressure processing principle, on the basis that core compressive deformation process is analyzed and tested, provided a kind of adopt that different pass reductions carry out that layering crosses mould press method and device, can guarantee that the cable compact wire of producing reaches the technological requirement of high-quality, low consumption.
The present invention provides this mould compaction of crossing is to have replaced doubling mould and pressure roller compacting device in the pressure roller compaction with special distorted pattern compacting device.Under the cold working situation, has good plastic deformation according to nonferrous materials, under certain pressure working modulus situation, by special distorted pattern compacting device, make that many line diameters diminish, length increases, fit tightly between mutually, and reach the shape of regulation.This mould compaction of crossing is applicable to the cable compact wire of producing different shape: for example, garden shape compact wire, fan-shaped compact wire and semicircle type compact wire, in the process of the cable compact wire of producing various models, according to technologic requirement, can select different pass reductions to carry out layering and cross mould and press, promptly on production line, special distorted pattern compacting device can be installed one, the special distorted pattern compacting device in several roads also can be installed, with the qualified product of output.In pressing process, because the heating of the friction between core and the mould produces localized hyperthermia and causes mould and core to bond.Therefore, to special distorted pattern compacting device the cooling holes forced cooling need be set, its type of cooling can be selected for use air-cooled, also can adopt water-cooled.
This compacting device of crossing the mould compaction of the realization that the present invention provides is to be made of special distortion mould, and this distortion mould can press core the doubling of many single lines in the process, shaping, press, procedure of processing is disposable finishes.The shape of this distortion mould is decided according to pressing the cable core of difformity and different size.For pressing garden shape core, the shape of this distortion mould is generally the Cylinder of an end opening flare, its section is the garden arc curve of homogeneous deformation, this distortion mould can be divided into four parts again by its built-in function: the inlet region, its effect is to make many single line of compressive deformation layer be arranged in the shape of defined in certain sequence, to guarantee that every single line does not intersect not wire jumper, inlet region cross section curve and deformed area curve are wanted smooth and are intersected, and do not produce wedge angle, the maximum open angle of inlet loudspeaker should be greater than the inlet angle of stranded conductor; Deformed area, its effect are to guarantee that the machined layer single line produces homogeneous deformation on whole periphery, to reach the effect of compact wire; Bearing line area, its effect are that the control shape and size are the resistance that reduces friction, and the length in this district should be the smaller the better; Outlet area, its effect be make compact wire when depanning not by scratch, therefore this district's cross section curve and deformed area curve will keep the garden arc crossing, wedge angle do not occur.Make the material of this distortion mould, optional usefulness possesses the metal material of certain intensity and hardness, as Talide.
Accompanying drawing 1 is one embodiment of the present of invention, is the schematic diagram of mould compaction, and accompanying drawing 2 is for being installed in a kind of distorted pattern compacting device schematic diagram on this method, and accompanying drawing 3 is distortion mould schematic diagram.The order of number in the figure is: (1), single line; (2), draw drum (frame); (3), distributor plate; (4), compacting device; (5), draw-gear; (6), take-up reel (frame); (7), cooling holes; (8), mould cover; (9), mould; (10), compact wire; (11), inlet region; (12), deformed area; (13), bearing line area; (14), outlet area.
Now technological process and the benefit of crossing the mould compaction that in conjunction with the embodiments the present invention is provided done brief description.
Copper, plumbous matter single line (1) are drawn through distributor plate (3) from the draw drum (frame) (2) of stranding machine, many single lines are concentrated by compacting device (4), single line is during through the special distortion mould (9) in compacting device (4), finished doubling, shaping in the lump, pressed, procedure of processing, compact wire (10) is received around to take-up reel (6) through draw-gear (5).
In the embodiments of the invention that provide, produce the modification mould (Fig. 3) of cable garden type compact wire, its inlet region maximum open angle is about 90 °, and the length in this district is 0.4 times of die length; The deformed area angle is about 60 °, and this section length is 0.3 times of die length; The length of bearing line area approaches zero; The outlet area angle is about 80 °, and this section length is 0.3 times of die length.
The technology of the cable garden type compact wire of production all size is joined the mould table and is provided as follows:
(part)
The cross section structure mold hole dimension
Mm
2Inlet wire inlet wire finished product
50 7×3.22 8.3
95 19×272 7.1～7.3 11.6
185 36×2.72 7.0～7.2 11.7～11.9 16.2
300 36×3.43 9.2～9.4 14.9～15.1 20.6
This mould compaction of crossing that the present invention provides is compared with pressure roller compaction commonly used, has the following advantages:
Only press once, simple, every one deck of process unit and can replace a cover rolling device with a special distortion mould, can greatly save the process unit manufacturing expense;
Two, wire core diameter's deviation is little, generally in ± 0.03mm scope, can save a large amount of non-ferrous metals;
Three, to compress degree good for the heart yearn skin, and the slit is little between each single line, can save more insulating material;
Four, the compact wire compressive deformation is even, can improve the electric property of conductor.
Five, installation, debugging, easy to operate can alleviate labor intensity of operating personnel.
To press crosslinked cable 1 * 185 is example, owing to reduced the overproof and garden degree not of conductor, every kilometer cable is saved copper 170kg, saves aluminium 51.2kg, 73 yuan of saving semiconductor and insulating material meters.Present national annual production is the aluminium cable of 20,000 kilometers this specifications, if all adopt the present invention, can save value and reach 6,000,000.
Claims (5)
1, a kind of method of producing cable compact wire, its process is: single line (1) is drawn from draw drum (2), concentrate by compacting device (4) by distributor plate (3), then through draw-gear (5), receipts are around to the take-up reel (6), the invention is characterized in many single lines of dispersion doubling, shaping, press, procedure of processing finishes in compacting device (4).
2,, it is characterized in that producing compacting device is housed one in the cable compact wire process at least according to the method for the said production cable compact wire of claim 1.
3, realize the compacting device of the said production cable compact wire of claim 1 method, it is characterized in that this compacting device is made of the Cylinder mould that an end opening is the loudspeaker tubular.
4, according to the said compacting device of claim 3, the section that it is characterized in that the Cylinder mould is the smooth garden arc curve of homogeneous deformation.
5, according to claim 3,4 said compacting devices, the inlet region that it is characterized in that the Cylinder mould be the mould length overall 0.4, asynchronous region length be the mould length overall 0.3, bearing line area approaches zero, outlet area length is 0.3 of mould length overall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87105042 CN87105042A (en) | 1987-07-30 | 1987-07-30 | Produce the modulus method and the device excessively of cable compact wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87105042 CN87105042A (en) | 1987-07-30 | 1987-07-30 | Produce the modulus method and the device excessively of cable compact wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN87105042A true CN87105042A (en) | 1988-01-13 |
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ID=4815131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 87105042 Pending CN87105042A (en) | 1987-07-30 | 1987-07-30 | Produce the modulus method and the device excessively of cable compact wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN87105042A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101976604A (en) * | 2010-10-09 | 2011-02-16 | 远东电缆有限公司 | Method for insulation of cabtyre cable and continuous vulcanization and water blocking of sheath |
| CN103151117A (en) * | 2013-03-13 | 2013-06-12 | 重庆泰山电缆有限公司 | Manufacturing method of separation block with high-precision diameter for separating conductor |
| CN109192360A (en) * | 2018-08-03 | 2019-01-11 | 深圳阿尔泰克轻合金技术有限公司 | A kind of soft bus and its manufacture craft |
| CN109273173A (en) * | 2018-09-07 | 2019-01-25 | 山东华凌电缆有限公司 | A kind of preparation method of super low-temperature resistant fire resisting high speed passenger transportation locomotive cable |
-
1987
- 1987-07-30 CN CN 87105042 patent/CN87105042A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101976604A (en) * | 2010-10-09 | 2011-02-16 | 远东电缆有限公司 | Method for insulation of cabtyre cable and continuous vulcanization and water blocking of sheath |
| CN101976604B (en) * | 2010-10-09 | 2012-02-22 | 远东电缆有限公司 | Method for insulation of cabtyre cable and continuous vulcanization and water blocking of sheath |
| CN103151117A (en) * | 2013-03-13 | 2013-06-12 | 重庆泰山电缆有限公司 | Manufacturing method of separation block with high-precision diameter for separating conductor |
| CN109192360A (en) * | 2018-08-03 | 2019-01-11 | 深圳阿尔泰克轻合金技术有限公司 | A kind of soft bus and its manufacture craft |
| CN109273173A (en) * | 2018-09-07 | 2019-01-25 | 山东华凌电缆有限公司 | A kind of preparation method of super low-temperature resistant fire resisting high speed passenger transportation locomotive cable |
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| WD01 | Invention patent application deemed withdrawn after publication |