CN104690937B - A kind of cable jacket manufacture method eliminating jacket surface defect - Google Patents
A kind of cable jacket manufacture method eliminating jacket surface defect Download PDFInfo
- Publication number
- CN104690937B CN104690937B CN201510096992.7A CN201510096992A CN104690937B CN 104690937 B CN104690937 B CN 104690937B CN 201510096992 A CN201510096992 A CN 201510096992A CN 104690937 B CN104690937 B CN 104690937B
- Authority
- CN
- China
- Prior art keywords
- cable
- jacket
- manufacture method
- surface defect
- frosting
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/06—Rod-shaped
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/919—Thermal treatment of the stream of extruded material, e.g. cooling using a bath, e.g. extruding into an open bath to coagulate or cool the material
Abstract
The present invention relates to a kind of cable jacket manufacture method eliminating jacket surface defect.Purpose is the shear stress that the method providing can be completely eliminated during plastic extrusion, and the cable manufacturing has the advantages of product surface is bright and clean, cable low temperature brittleness performance is good, cable inner even structure, overall more compact.Technical scheme is：A kind of cable jacket manufacture method eliminating jacket surface defect, is carried out successively according to following operation：Unwrapping wire, sheathing, surface treatment, saponification, cooling, traction, take-up, packaging and storage；Active paying out machine is employed in unwrapping wire operation；Screw extruder is employed in sheathing operation；Frosting datatron is employed in surface treatment procedure, the front-end configuration of frosting datatron duct type gas heater, the backend arrangement of frosting datatron UV curing apparatus；Saponifying process is that the cable after surface treatment is passed through tank；Refrigerating work procedure is that through frozen water bosh, cable is carried out cooling process.
Description
Technical field：
The present invention relates to a kind of electric wire manufacturing technology, more particularly, to a kind of cable jacket eliminating jacket surface defect
Manufacture method.
Background technology：
To have electrical insulation properties excellent because of it for thermoplastic (such as polyvinylchloride, polythene PE, low smoke and zero halogen etc.)
Good, low temperature performance well, be extensively used as the advantages of chemical stability is preferably and proportion is less the insulation of cable (electric wire) with
Protective cover material.But thermoplastic is during extrusion processing, there is also some shortcomings, if processing technique improper it is easy to
Produce many surface defects, cause cable be delivered for use or transportation in, because cable outward appearance or electric property unqualified and
Lead to scrapping of whole cable.The common surface defect of cable has：Jacket surface water wave-shaped is uneven；Cable surface is coarse, light
Luminance range；Simultaneously there is " water spot " of dense distribution in certain of surface；There is the shear stress of residual in extrusion, lead to
The sheath cracking in cable later stage；Plastics plasticizing is uneven, leads to the low temperature brittleness performance degradation of plastics；In sheath, reticulate pattern is uneven, leads
Cable overall structure is caused to loosen.
Content of the invention：
It is an object of the invention to overcoming the problem that above-mentioned prior art exists it is proposed that a kind of eliminate cable jacket surface
The manufacture method of defect；Shear stress during plastic extrusion can be completely eliminated using the method, the cable manufacturing has
Product surface is bright and clean, cable low temperature brittleness performance is good, cable inner even structure, the advantages of overall more compact.
In order to realize foregoing invention purpose, present invention employs technical scheme below：
A kind of cable jacket manufacture method eliminating jacket surface defect, is carried out successively according to following operation：
Unwrapping wire, sheathing, surface treatment, saponification, cooling, traction, take-up, packaging and storage；
Active paying out machine is employed in described unwrapping wire operation；
Screw extruder is employed in described sheathing operation；
Frosting datatron is employed, the front-end configuration of frosting datatron eliminates in described surface treatment procedure
The duct type gas heater of stress, the backend arrangement of frosting datatron carries out the ultraviolet light of photocuring process
Device；
Described saponifying process is by the tank that fills saponification liquor by the cable after surface treatment；
Described refrigerating work procedure is to carry out the cable (not cooled down completely) after saponifying process through frozen water bosh
Cooling is processed.
Described traction operation is using wheel type tractor or caterpillar tractor, the cable of forming at the uniform velocity to be pulled；
Described wire-drawing process is that ready-made cable is fitly wrapped on Wire winding shaft.
The weight proportion of described saponification liquor is：0.8-1.2% sodium n-alkylbenzenesulfonate, 0.8-1.2% dodecyl sulfur
Sour sodium, 0.3-0.8% fatty alcohol, 0.3-0.8% alkene sulfonic acid sodium, 0.3-0.8% polyoxyalkylene ether sodium sulfate, 0.3-0.8%
Alkylolamideses, 0.3-0.8% alkyl polyglucoside, 0.3-0.8% alkyl betaine, remaining is water.
The heat blower that described duct type gas heater includes gas storage pipeline and gas storage pipeline is provided with hot-air.
The ultraviolet wavelength that described UV curing apparatus send is 300-400nm.
The recirculated water that described frozen water bosh adopts carries out cooling process by ice machine.
Compared with prior art, beneficial effects of the present invention show the following aspects：
1st, the actinobacillus device of the present invention is active paying out machine, can eliminate during cable puts shield with active release Wiring technology
Fluctuation, it is to avoid form " laminar flow " when sheath is coated on cable semi-finished product, eliminate the water wave-shaped defect of jacket surface.
2nd, the present invention increases by one process of surface treatment in the middle of screw extruder head to bosh process, eliminates
The shear stress of plastic extrusion, plasticizing becomes uniform, and so that frosting molecule aggregation is recombinated, and improves surface smoothness and table
Surface hardness, and avoid that prematurely to enter the inside and outside contraction that bosh causes inconsistent because of unformed cable, lead to Intranet
Stricture of vagina is uneven and surface produces the defects such as pit, weld mark.
3rd, the present invention is also additionally arranged one saponifying process, avoids " water spot " defect of sheath by this operation.Described soap
Change liquid weight proportion be：0.8-1.2% sodium n-alkylbenzenesulfonate, 0.8-1.2% sodium lauryl sulphate, 0.3-0.8%
Fatty alcohol, 0.3-0.8% alkene sulfonic acid sodium, 0.3-0.8% polyoxyalkylene ether sodium sulfate, 0.3-0.8% alkylolamideses, 0.3-
0.8% alkyl polyglucoside, 0.3-0.8% alkyl betaine, remaining is % water.
Because the liquid level tension force of saponification liquor is larger, it is difficult to form water-drop sputtering, thus can be prevented effectively from using saponification liquor
Jacket surface produces the defect of " water spot ".
4th, the frozen water bosh of the present invention, can make cable be rapidly cooled to room temperature and so that the structure of cable is finally solidified,
And improve production efficiency.
Brief description
Fig. 1 is the manufacturing process flow diagram of the present invention.
Fig. 2 is the structural representation of frosting datatron.
Fig. 3 is pipeline annexation schematic diagram (vertical view state) of frozen water bosh and cooling system.
Specific embodiments
Further illustrate below in conjunction with embodiment shown in the drawings.
The cable jacket manufacture method of the elimination surface defect that the present invention provides, realizes according to following technological process：Unwrapping wire,
Sheathing, surface treatment, saponification, cooling, traction, take-up, packaging and storage.
Described unwrapping wire operation employs active paying out machine, is that the I-beam wheel being wrapped cable semi-finished product is loaded active unwrapping wire
The paying out reel of machine carries out unwrapping wire；It is to eliminate during cable puts shield with the purpose of active unwrapping wire and fluctuates, it is to avoid sheath coats
When on cable semi-finished product, formation " laminar flow " (described " laminar flow " refers to exist between protective cover material and semi-finished product and mutually moves, and because
During sheathing, the state of protective cover material is molten, thus forming the surface similar to water wave-shaped).
Described sheathing operation adopts the special multiple screw extruder of thermoplastic, the temperature-controlled cooling system of extrusion equipment
Precision is high, and extrusion processing temperature commonly uses temperature control according to thermoplastic, and extrusion die is using extruding or crowded pipe die
Tool, specifically depending on visual sheath material.
Described surface treatment procedure refers to cable at increasing a surface in the middle of cross-head to bosh process
Science and engineering skill, its objective is to eliminate the shear stress of plastic extrusion, and so that frosting molecule aggregation is recombinated, and improves any surface finish
Degree, case hardness, and avoid causing to shrink inside and outside sheath inconsistent because unformed cable prematurely enters tank, lead to Intranet
Stricture of vagina is uneven and surface produces pit, weld mark etc..Described process of surface treatment is by mean of the related work(of frosting datatron
Can be achieved.Described frosting datatron is made up of two parts：There is the duct type gas of thermo-molecular stress relieving function
Body heater and the UV curing apparatus with photocuring processing function.Duct type gas heater (buyable acquisition) includes
Gas storage pipeline and the heat blower that gas storage pipeline is provided with hot-air, effect is the surface shearing stress eliminating sheath.By
Fig. 2 understands：Gas storage pipeline is horizontally disposed, from the multiple screw extruder cable being coated with sheath out, from one end of gas storage pipeline
Horizontally enter into the inner chamber of gas storage pipeline, after standing the heat treatment of hot gas, then output (is subsequently carried out from one end of gas storage pipeline
Photocuring is processed)；Heat blower then passes through pipeline and gas storage pipeline is inputted with heating air；The temperature of generally heating air is
100-150 DEG C, specifically can select as needed to determine.UV curing apparatus are the uviol lamp of configuration polycarbonate lampshade, lead to
Uviol lamp that launch wavelength be 300-400nm ultraviolet often may be selected, and (power is usually 2-5KW.) visible in Fig. 2：Upper and lower two
The uviol lamp of configuration polycarbonate lampshade is arranged symmetrically, and cable is passed through between two uviol lamps with certain speed；Cable is through purple
After outside line is irradiated, the molecular structure of frosting carries out polymerization restructuring, such that it is able to improve hardness and the fineness of jacket surface,
Substantially increase optics anti-scratch performance and the weather resistance of plastics, it is to avoid sheath cracking during cable construction in later period.
Described saponifying process refer to the cable after surface treatment by filling in the tank of saponification liquor it is therefore intended that
Sheath is avoided to produce " water spot " defect.Saponification liquor proportioning is：0.8-1.2% sodium n-alkylbenzenesulfonate, 0.8-1.2% 12
Alkyl sodium sulfate, 0.3-0.8% fatty alcohol, 0.3-0.8% alkene sulfonic acid sodium, 0.3-0.8% polyoxyalkylene ether sodium sulfate, 0.3-
0.8% alkylolamideses, 0.3-0.8% alkyl polyglucoside, 0.3-0.8% alkyl betaine, remaining is % water.Saponification liquor is preferably joined
Than for：1% sodium n-alkylbenzenesulfonate, 1% sodium lauryl sulphate, 0.5% fatty alcohol, 0.5% alkene sulfonic acid sodium, 0.5%
Polyoxyalkylene ether sodium sulfate, 0.5% alkylolamideses, 0.5% alkyl polyglucoside, 0.5% alkyl betaine, 95% water.Due to soap
The liquid level tension force changing liquid is larger, is difficult to form water-drop sputtering, it is possible to being prevented effectively from sheath to produce " water spot ".
Described refrigerating work procedure refers to that not the cable A of cooling completely is processed through the cooling of frozen water bosh, makes cable fast
Speed is cooled to room temperature and so that the structure of cable is finally solidified.Described refrigerating work procedure has the effect of two aspects：1st, solidify cable
Contour structures；2nd, improve production efficiency.Show in Fig. 3：It is laid with heat-absorption water in cooling system (preferably ice machine) coolant
Pipe, by the recirculated water with uniform temperature of frozen water bosh one end output, is taken by pumping and inputs heat-absorption water by water inlet pipe
It is removed a part of heat after pipe, then the other end of frozen water bosh is flowed into by return pipe so that in frozen water bosh
Recirculated water be maintained at certain temperature (typically 0-10 DEG C).Cooling system pair can be reconfigured at using conventional bosh
Recirculated water in bosh carries out cooling treatment.
Described traction operation refers to wheel type tractor or caterpillar tractor, the cable of forming at the uniform velocity be drawn
Drag the concordance it is ensured that cable diameter.Wheel type tractor or caterpillar tractor can directly outer available from.
Described wire-drawing process refers to ready-made cable is fitly wound on Wire winding shaft, facilitates later stage inspection and client to make
With.
Whole manufacturing process is as follows：
Semi-finished product cable before technological requirement is ready to put shield, protective cover material and put the related accessories needed for sheath.
Semi-finished product cable is installed to (referring to Fig. 1) on active paying out machine, regulates suitable payingoff speed, treat the temperature of sheathing machine
After degree reaches design temperature, suitable mould is assembled according to technological requirement, reaches after mold temperature and can open after design temperature
Machine produces.Need before production to carry out following work：(1) heat blower and the ultraviolet lighting of frosting datatron, are regulated
Injection device, the temperature of heat blower to be advisable less than sheathing machine head extrusion material (protective cover material) temperature 10-20 DEG C, ultraviolet
The wavelength control of light irradiation device middle-ultraviolet lamp is advisable in 300-400nm.(2), configured saponification liquor, and stirred, with soap
Change liquid surface forms numerous another typical material and is advisable.(3), the cooling system of frozen water bosh needs to open in advance, and guarantees water temperature
Control and be advisable at 0-10 DEG C.After the completion for the treatment of that all of preparation is equal, start sheathing machine switch, discharge eccentric, start
The gang switch of traction and take-up can normally make line.With this process, the sheath outward appearance of the cable finished product produced
Bright and clean smooth；The weatherability of product, low temperature brittleness performance is all optimized；The shear stress of sheathing is eliminated, ring
Border cracking phenomena is avoided；The internal structure of cable has obtained homogenizing, and cable is overall compacter.With the method manufacture
Electric wire product, for enter international market paved road.
Claims (6)
1. a kind of cable jacket manufacture method eliminating jacket surface defect, is carried out successively according to following operation：
Unwrapping wire, sheathing, surface treatment, saponification, cooling, traction, take-up, packaging and storage；
Active paying out machine is employed in described unwrapping wire operation；
Multiple screw extruder is employed in described sheathing operation；
Frosting datatron is employed, the front-end configuration of frosting datatron elimination stress in described surface treatment procedure
Duct type gas heater, the backend arrangement of frosting datatron carries out the ultraviolet light dress of photocuring process
Put；
Described saponifying process is by the tank that fills saponification liquor by the cable after surface treatment；
Described refrigerating work procedure is that through frozen water bosh, the cable after saponifying process is carried out cooling process.
2. according to claim 1 eliminate jacket surface defect cable jacket manufacture method it is characterised in that：Described lead
Drawing operation is using wheel type tractor or caterpillar tractor, the cable of forming at the uniform velocity to be pulled.
3. according to claim 2 eliminate jacket surface defect cable jacket manufacture method it is characterised in that：Described receipts
Line procedures are that ready-made cable is fitly wrapped on Wire winding shaft.
4. according to claim 3 eliminate jacket surface defect cable jacket manufacture method it is characterised in that：Described pipe
The heat blower that road formula gas heater includes gas storage pipeline and gas storage pipeline is provided with hot-air.
5. according to claim 4 eliminate jacket surface defect cable jacket manufacture method it is characterised in that：Described purple
The ultraviolet wavelength that outer light irradiation device sends is 300-400nm.
6. according to claim 5 eliminate jacket surface defect cable jacket manufacture method it is characterised in that：Described ice
The recirculated water that water cooling tank adopts carries out cooling process by ice machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510096992.7A CN104690937B (en) | 2015-03-05 | 2015-03-05 | A kind of cable jacket manufacture method eliminating jacket surface defect |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510096992.7A CN104690937B (en) | 2015-03-05 | 2015-03-05 | A kind of cable jacket manufacture method eliminating jacket surface defect |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104690937A CN104690937A (en) | 2015-06-10 |
| CN104690937B true CN104690937B (en) | 2017-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510096992.7A Expired - Fee Related CN104690937B (en) | 2015-03-05 | 2015-03-05 | A kind of cable jacket manufacture method eliminating jacket surface defect |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108376593A (en) * | 2018-01-23 | 2018-08-07 | 安徽天康创新科技有限公司 | A kind of cable jacket flame-proof abrasion-resistant treatment process |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1029549C (en) * | 1988-05-09 | 1995-08-23 | 英国气体公司 | Apparatus for lining installed pipework |
| JP2005089642A (en) * | 2003-09-18 | 2005-04-07 | Nippon Zeon Co Ltd | Film, oriented film, laminate and method for producing film |
| US8889047B2 (en) * | 2010-01-12 | 2014-11-18 | Greenrock, Ltd. | Paper-like film and process for making it |
| CN103756286A (en) * | 2014-01-16 | 2014-04-30 | 珠海汉胜科技股份有限公司 | Thermoplastic polyurethane cable sheath material and preparation method |
| CN103951859B (en) * | 2014-04-15 | 2015-09-09 | 安徽海容电缆有限公司 | A kind of preparation method of high rigidity heat-resisting cable sheath material |
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