CN105427967A - Manufacturing method for insulating and sheathed wires and cables through impregnation, and prepared cables - Google Patents
Manufacturing method for insulating and sheathed wires and cables through impregnation, and prepared cables Download PDFInfo
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- CN105427967A CN105427967A CN201510876832.4A CN201510876832A CN105427967A CN 105427967 A CN105427967 A CN 105427967A CN 201510876832 A CN201510876832 A CN 201510876832A CN 105427967 A CN105427967 A CN 105427967A
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- electric wire
- maceration extract
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- heart yearn
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Abstract
The embodiment of the invention discloses a manufacturing method for insulating and sheathed wires through impregnation. The manufacturing method comprises the following steps of 1, putting one or more to-be-pre-processed core wires into impregnation liquid; 2, perpendicularly lifting the core wires in the impregnation liquid to enable the gaps of the core wires to be filled with the impregnation liquid and the impregnation liquid to be glued on the peripheries of the core wires; 3, enabling the core wires to pass through a solidifying apparatus to enable the impregnation liquid in the gaps and glued on the peripheries of the core wires to form a water-blocking layer and an insulating layer; 4, cooling the solidified wires and cables; and 5, forming the cooled wires and cables into loops/coils. By adoption of the manufacturing method for the insulating and sheathed wires through impregnation, the wire cores or the cable cores are impregnated by using the impregnation liquid to replace the manners of extruded insulation and sheathing by an extruder, so that the die-less production is realized, and the complexity of the operation is greatly reduced; the multiple wire cores can be put in the same impregnation liquid container and the solidifying apparatus to finish the production of the insulating and sheathed wires and cables; the energy consumption is effectively reduced and the production efficiency is greatly improved; and the novel water-blocking cables can be produced, and an excellent effect is achieved.
Description
Technical field
The present invention relates to a kind of electric wire manufacturing process, particularly relate to a kind of use and flood production more than two insulation, protective case wire cable.
Background technology
The electric wire manufacturing of China, is the second largest industry being only second to automobile industry, in nation-building, occupies critical role.And the extrusion molding operation in electric wire manufactures, orientate critical process as in the industry, this operation is exactly ambroin or sheath plastics, by extruder by plasticize, be extruded on core or on cable core through mould, produce standard compliant electric wire product.
Tradition manufactures the extrusion molding operation in electric wire, and be made up of a production line, in production line, equipment generally has unwrapping wire (tensioner) frame, plastic extruding machine, extruder head, bosh, traction and winding and arranging device.Extrusion process is: one or several heart yearn or cable core are released from pay off rack cable hank, by swelling device or directly enter extruder head, regulate the mould in extruder head, make it to meet manufacturing technique requirent, start the discharging of plastic extruding machine machine, and start traction simultaneously and drive and extruded the heart yearn of plastics or cable core advances, then through bosh, be drawn to winding and arranging device sabot.
In order to the raising of extrusion molding production capacity, also from low speed to high speed, quality cost also increased than in the past plastic extruding machine, simultaneously expensive equipment investment, and had the cost of labor of quality operating personnel that the space of the economic benefit of enterprise is being reduced.
Summary of the invention
Embodiment of the present invention technical problem to be solved is, provides a kind of varnished insulation, protective case wire cable making method and obtained cable.The production efficiency of electric wire can be significantly improved.
In order to solve the problems of the technologies described above, embodiments provide a kind of varnished insulation cover electric wire manufacture method and comprising the following steps:
Step 1: pretreated one or one or more heart yearn are passed through maceration extract;
Step 2: by the described heart yearn vertical-lift in described maceration extract, makes maceration extract be filled in the space of heart yearn and stick in described heart yearn periphery;
Step 3: by solidification equipment, heart yearn space that is peripheral and heart yearn is filled described heart yearn and the described maceration extract sticked forms block water (comprising air) layer and insulating barrier;
Step 4: the electric wire after solidification is cooled;
Step 5: lopping/one-tenth dish is carried out to the electric wire after having cooled.
Further, component and the proportioning of the maceration extract used are as follows:
PVC suspending resin powder 20%-25%, PVC paste resin 26%-40%; Plasticizer 45%-55%; Stabilizer 3%-5%; Calcium carbonate 2-6%; Defoamer 0.2%-0.4%; Colorant 0.3%-0.9%.
Further, described solidification serviceability temperature is 150 to 350 degree, and keeps carrying out next step after 30 to 60 minutes.
Correspondingly, the embodiment of the present invention additionally provides a kind of electric wire obtained by above-mentioned varnished insulation cover electric wire manufacture method.
The embodiment of the present invention additionally provides a kind of varnished insulation jacketed cable manufacture method, comprises the following steps:
Step 1: one or more than one for claim 1 gained electric wire is merged cooperatively by outer maceration extract;
Step 2: by the vertical-lift of step 1 gained electric wire, makes outer maceration extract be filled in the space of cable core and stick in described electric wire periphery;
Step 3: the described outer maceration extract that described electric wire makes electric wire periphery stick by solidification equipment is formed insulation or sheath;
Step 4: the cable after solidification is cooled;
Step 5: lopping/one-tenth dish is carried out to the cable after having cooled.
Further, component and the proportioning of the outer maceration extract used are as follows:
PVC suspending resin powder 20%-25%, PVC paste resin 26%-40%; Plasticizer 45%-55%; Stabilizer 3%-5%; Calcium carbonate 2-6%; Defoamer 0.2%-0.4%; Colorant 0.3%-0.9%.
Further, described solidification serviceability temperature is 150 to 350 degree, and keeps carrying out next step after 30 to 60 minutes.
Correspondingly, the embodiment of the present invention additionally provides a kind of cable obtained by above-mentioned varnished insulation jacketed cable manufacture method.
Implement the embodiment of the present invention, there is following beneficial effect: the present invention adopts impregnation fluid core or cable core to substitute extruded insulation and the sheath of plastic extruding machine, achieve and produce without mould, complicated operation degree is reduced greatly, and can adopt many cores in a maceration extract container, solidification equipment, jointly complete the production of insulation, sheath, efficiently reduce energy consumption, substantially increase production efficiency.Adopt the present invention, make maceration extract core be existed gap and carry out airtight filling, a kind of new water repellent electric cable technique can be produced, and excellent.
Accompanying drawing explanation
Fig. 1 is single core cable cross section structure schematic diagram;
Fig. 2 is the structural representation that many electric wires are together merged into cable.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, the present invention is described in further detail.
Embodiment 1:
Embodiments provide a kind of varnished insulation cover electric wire manufacture method, comprise (1) wire drawing, (2) twisted wire (conductor 1 as shown in Figure 1), (3) N bar heart yearn by the step of maceration extract, (4) solidification, (5) cooling, (6) lopping or one-tenth dish, and carry out successively, wherein, step (1), (2), (5) and (6) are that conventional processes does not just explain at this.
It is as follows that step (3) comprises concrete steps:
The corresponding insulation of preparation or sheath maceration extract is required according to the difference of product, and keep impregnation concentration consistent, under on metal line N bar heart yearn being dipped to regulation by N number of pay off rack, the depth theory of metal line is more dark better, but consider actual conditions, be generally greater than 200mm.
The N bar core be immersed in maceration extract is carried out straight line upwards promote, the hoisting velocity of N bar is controlled respectively by N number of controller, jointly enter solidification equipment to be cured, formation blocks water insulating barrier 2, and as shown in Figure 1, curing mode is different and different according to the maceration extract used, the drying tunnel that just adopts of cold conditions is used to be heating and curing, adjustable temperature range control 150 to 350 degree, device is wanted and is kept 30 to 60 minutes, after can normally bring into use.Hot employing water cooling.
In the present embodiment, the maceration extract component proportion used can see following data: PVC suspending resin powder 20%-25%, PVC paste resin 26%-40%; Plasticizer 45%-55%; Stabilizer 3%-5%; Calcium carbonate 2-6%; Defoamer 0.2%-0.4%; Colorant 0.3%-0.9%.
Preferred maceration extract component proportion is: PVC suspending resin powder 25%, PVC paste resin 26%; Plasticizer 40%; Stabilizer 4%; Calcium carbonate 4%; Defoamer 0.4%; Colorant 0.6%.
Single core cable cross section structure obtained by the present embodiment as shown in Figure 1.
Embodiment 2:
Embodiments provide a kind of varnished insulation cover cable making method, use the electric wire of gained in embodiment 1 to pass through steps of processing.
Require preparation insulation or sheath maceration extract according to the difference of product, and keep impregnation concentration consistent.
Many are merged cooperatively by outer maceration extract by the electric wire of gained in embodiment 1 on demand; And carry out straight line and upwards promote, outer maceration extract is sticked in electric wire periphery.
By process data requirement, regulate the temperature of solidification equipment to specified value, and keep 30 to 60 minutes, electric wire after promoting is cured through solidification equipment, realize many electric wires and be together merged into cable, structural representation as shown in Figure 2, wherein packed layer 3, comprise band 4, sheath 5 all can adopt maceration extract solidify produce.
In the present embodiment, the maceration extract component proportion used can see following data: PVC suspending resin powder 20%-25%, PVC paste resin 26%-40%; Plasticizer 45%-55%; Stabilizer 3%-5%; Calcium carbonate 2-6%; Defoamer 0.2%-0.4%; Colorant 0.3%-0.9%.
Preferred maceration extract component proportion is: PVC suspending resin powder 20%, PVC paste resin 26%; Plasticizer 48%; Stabilizer 3%; Calcium carbonate 2%; Defoamer 0.4%; Colorant 0.6%.
Tool of the present invention has the following advantages:
1, the extrusion apparatus that the present invention can be traditional, and without mould in whole production process, save the operating process of adjustment mould more complicated in former extrusion process.
2, N bar heart yearn can effectively be realized or N bar cable core is produced on a capital equipment simultaneously, compare with existing extrusion molding production line, production cost is had greatly to reduce, particularly energy-saving effect is huge, the main motor current of 150 plastic extruding machines conventional in currently available technology reaches 200kW, this just can save a large amount of electric energy only not need to use motor, the electric energy of former heating system also will reduce simultaneously, and long-term result of use is a good approach of enterprise transformation upgrading really.
3, by the mode of production of dipping, the gap existed all can be filled by maceration extract, form the splendid airtight insulating barrier that blocks water, effectively improve the electric property of electric wire between core.
4, the present invention can drive the revolution of upstream industry.The insulation that current wires and cables industry is used and sheath material generally make base-material by professional production producer raw material, add each analog assistant and carry out granulation, and this industry of granulation is the industry that a high pollution is very large to environmental impact.The present invention be actually traditional raw material synthesis-> granulation-> clamp-oned extruder plastication extrude-> is wrapped in heart yearn or cable core surface, be simplified to raw material synthesis-> to put into reservoir vessel and upwards promote-> is wrapped on heart yearn or on cable core, and namely consumed energy very large granulation and extrusion molding two links simply be instead of in the past.
5, the development of new material is driven.A kind of new technology will obtain perfect effect, and the support of material is crucial, to the research and development of varnished insulation, varnished insulation that protective case wire cable product uses and sheath material.
Above disclosedly be only present pre-ferred embodiments, certainly can not limit the interest field of the present invention with this, therefore according to the equivalent variations that the claims in the present invention are done, still belong to the scope that the present invention is contained.
Claims (8)
1. a varnished insulation cover electric wire manufacture method, is characterized in that, comprise the following steps:
Step 1: pretreated one or one or more heart yearn are passed through maceration extract;
Step 2: by the described heart yearn vertical-lift in described maceration extract, makes maceration extract be filled in the space of heart yearn and stick in described heart yearn periphery;
Step 3: make heart yearn space and the peripheral described maceration extract sticked form water blocking layer or insulating barrier by solidification equipment described heart yearn;
Step 4: the electric wire after solidification is cooled;
Step 5: lopping/one-tenth dish is carried out to the electric wire after having cooled.
2. varnished insulation cover electric wire manufacture method according to claim 1, is characterized in that,
Component and the proportioning of the maceration extract used are as follows:
PVC suspending resin powder 20%-25%, PVC paste resin 26%-40%; Plasticizer 45%-55%; Stabilizer 3%-5%; Calcium carbonate 2-6%; Defoamer 0.2%-0.4%; Colorant 0.3%-0.9%.
3. varnished insulation cover electric wire manufacture method according to claim 2, is characterized in that,
Described solidification serviceability temperature is 150 to 350 degree, and keeps carrying out next step after 30 to 60 minutes.
4. the electric wire obtained by a varnished insulation cover electric wire manufacture method according to claim 1.
5. a varnished insulation jacketed cable manufacture method, is characterized in that, comprises the following steps:
Step 1: one or more than one for claim 1 gained electric wire is merged cooperatively by outer maceration extract;
Step 2: by the vertical-lift of step 1 gained electric wire, makes outer maceration extract be filled in the space of cable core and stick in described electric wire periphery;
Step 3: the described outer maceration extract that described electric wire makes electric wire periphery stick by solidification equipment is formed insulation or sheath;
Step 4: the cable after solidification is cooled;
Step 5: lopping/one-tenth dish is carried out to the cable after having cooled.
6. varnished insulation cover cable making method according to claim 4, is characterized in that,
Component and the proportioning of the outer maceration extract used are as follows:
PVC suspending resin powder 20%-25%, PVC paste resin 26%-40%; Plasticizer 45%-55%; Stabilizer 3%-5%; Calcium carbonate 2-6%; Defoamer 0.2%-0.4%; Colorant 0.3%-0.9%.
7. varnished insulation cover cable making method according to claim 5, it is characterized in that, described solidification serviceability temperature is 150 to 350 degree, and keeps carrying out next step after 30 to 60 minutes.
8. the cable obtained by a varnished insulation jacketed cable manufacture method according to claim 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510876832.4A CN105427967A (en) | 2015-12-03 | 2015-12-03 | Manufacturing method for insulating and sheathed wires and cables through impregnation, and prepared cables |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510876832.4A CN105427967A (en) | 2015-12-03 | 2015-12-03 | Manufacturing method for insulating and sheathed wires and cables through impregnation, and prepared cables |
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| CN105427967A true CN105427967A (en) | 2016-03-23 |
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| CN201510876832.4A Pending CN105427967A (en) | 2015-12-03 | 2015-12-03 | Manufacturing method for insulating and sheathed wires and cables through impregnation, and prepared cables |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105336446A (en) * | 2015-12-02 | 2016-02-17 | 宁夏瑞银有色金属科技有限公司 | Annealing device used for cable wire and annealing method thereof |
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| US20100288528A1 (en) * | 2009-05-14 | 2010-11-18 | Commscope, Inc. Of North Carolina | Coaxial cables having low bond precoat layers and methods of making same |
| CN102842373A (en) * | 2011-06-24 | 2012-12-26 | 广东蓉胜超微线材股份有限公司 | Self-lubricating direct-welding enameled wire and manufacturing method thereof |
| CN104616835A (en) * | 2015-01-30 | 2015-05-13 | 广州南洋电缆有限公司 | Method for manufacturing trunk wires and cables |
| CN104795181A (en) * | 2015-04-08 | 2015-07-22 | 珠海市一致电工有限公司 | Production method for ultrafine enamelled wire |
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2015
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20100288528A1 (en) * | 2009-05-14 | 2010-11-18 | Commscope, Inc. Of North Carolina | Coaxial cables having low bond precoat layers and methods of making same |
| CN102842373A (en) * | 2011-06-24 | 2012-12-26 | 广东蓉胜超微线材股份有限公司 | Self-lubricating direct-welding enameled wire and manufacturing method thereof |
| CN104616835A (en) * | 2015-01-30 | 2015-05-13 | 广州南洋电缆有限公司 | Method for manufacturing trunk wires and cables |
| CN104795181A (en) * | 2015-04-08 | 2015-07-22 | 珠海市一致电工有限公司 | Production method for ultrafine enamelled wire |
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| CN105336446A (en) * | 2015-12-02 | 2016-02-17 | 宁夏瑞银有色金属科技有限公司 | Annealing device used for cable wire and annealing method thereof |
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Effective date of registration: 20160918 Address after: 515000 factory building, two Jin Jie street, Pearl River Industrial Zone, Guangdong, Shantou 1, China Applicant after: Guangdong Nanyang Cable Co., Ltd. Address before: 515000, No. two, 1 Street, Zhujiang Jin Industrial Zone, Longhu District, Guangdong, Shantou Applicant before: Guangdong Nanyang Cable Group Co., Ltd. |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160323 |
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| RJ01 | Rejection of invention patent application after publication |