CN108075434A - A kind of insulated enclosure pyrocondensation sealing cap of wire terminations - Google Patents
A kind of insulated enclosure pyrocondensation sealing cap of wire terminations Download PDFInfo
- Publication number
- CN108075434A CN108075434A CN201711377848.6A CN201711377848A CN108075434A CN 108075434 A CN108075434 A CN 108075434A CN 201711377848 A CN201711377848 A CN 201711377848A CN 108075434 A CN108075434 A CN 108075434A
- Authority
- CN
- China
- Prior art keywords
- double
- pyrocondensation
- wall
- sealing cap
- parts
- Prior art date
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/02—Cable terminations
- H02G15/04—Cable-end sealings
- H02G15/043—Cable-end sealings with end caps, e.g. sleeve closed at one end
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
Abstract
The invention discloses a kind of insulated enclosure pyrocondensation sealing caps of wire terminations, and including plastic seal cap and pyrocondensation double-wall pipe, the inner wall of the pyrocondensation double-wall pipe is equipped with hot melt adhesive layer, one end of pyrocondensation double-wall pipe is equipped with plastic seal cap, wherein, plastic seal cap includes following raw material, and raw material weight ratio is：60 90 parts of main material, 2 10 parts of toughener, 28 parts of compatilizer, 5 20 parts of filler, 0.1 1 parts of antioxidant, step are：Above-mentioned raw materials are put into high mixer and are blended, after be granulated by double screw extruder, 110 260 DEG C of extrusion temperature, finally using injection method produce plastic seal cap, 140 260 DEG C of injection temperature.The present invention has safety coefficient high, has a wide range of application, and with good leakproofness, is waited available for underwater compared with mal-condition, this product cost is relatively low, and production efficiency is high, and yield rate is also very high, is suitble to produce in enormous quantities.
Description
Technical field
The present invention relates to pyrocondensation sealing cap technical field more particularly to a kind of insulated enclosure pyrocondensation sealing caps of wire terminations.
Background technology
In entire pyrocondensation product, pyrocondensation sealing cap mainly by the way of injection or molding using individual layer material contracting with heat or
Person's multilayer material is made.This process efficiency is low, of high cost, and yield rate is not also high, is unfavorable for rapid, high volume production, and has part
Product manufactures sealing cap using the pre-sealed method in one end, but this method has the risk of certain sealing loosely, therefore the day of one's doom
Application of the pyrocondensation sealing cap in the circuit terminals such as automobile, electronics is made.It is of high cost it is an object of the invention to solve the said goods,
The problem of yield rate is low, and speed of production is slow provides a kind of excellent insulation performance, and safety coefficient is high, and can improve production
The product of efficiency.It is electric to wait industry fields available for automobile.For this purpose, the present invention proposes that a kind of insulation of wire terminations is close
Seal pyrocondensation sealing cap.
The content of the invention
The purpose of the present invention is to solve shortcoming in the prior art, and a kind of insulation of the wire terminations proposed
Seal pyrocondensation sealing cap.
To achieve these goals, present invention employs following technical solutions：
A kind of insulated enclosure pyrocondensation sealing cap of wire terminations, including plastic seal cap and pyrocondensation double-wall pipe, the pyrocondensation double-wall pipe
Inner wall is equipped with hot melt adhesive layer, and one end of pyrocondensation double-wall pipe is equipped with plastic seal cap, wherein, plastic seal cap includes following raw material, former
Expect that weight ratio is：60-90 parts of main material, 2-10 parts of toughener, 2-8 parts of compatilizer, 5-20 parts of filler, 0.1-1 parts of antioxidant, step
Suddenly it is：Above-mentioned raw materials are put into high mixer and are blended, after be granulated by double screw extruder, 110-260 DEG C of extrusion temperature, finally
Plastic seal cap, 140-260 DEG C of injection temperature are produced using the method for injection；
Band glue double-walled pipe production method：S1, extrusion molding：Outer wall layer material and inner wall layer material are added separately to main extruder
In the extruder of side, main extruder processing temperature is 100-180 DEG C, 80-140 DEG C of side extruder processing temperature, extrusion molding, so
Double wall heat draw semi-finished product are made in postcooling, drying；S2, irradiation：The double wall heat draw semi-finished product prepared in S1 are placed on unwrapping wire
On frame, radiation chamber is introduced by tension bracket, manufactured double-wall heat-shrinkable tube semi-finished product are carried out with Xun Huan irradiation and cooling, irradiates agent
It measures as 5-15Mrad；S3, expansion：The double wall heat draw irradiated in S2 is heated, expand sizing, cooling after, be made into
Product double wall heat draw, heating temperature is 100-150 DEG C from the process, and expansion multiple is 2-6 times, in the finished product double-wall pipe after expansion
Footpath is 3.2-14mm, wall thickness 0.3-1.2mm；S4, Pipe Cutting：The effective pipe cutting machine of double-walled after expansion is cut into formulation by given size
Size, Pipe Cutting size range：25-45mm；
Pyrocondensation sealing cap production technology：Plastic seal cap and the double-wall pipe cut are individually positioned on mold, carried out by heat gun
Double-wall pipe one end with sealing cap is bonded together, completes the production of product by baking, 350-450 DEG C of heat gun temperature.
Preferably, the main material can be that polyethylene, polypropylene or polyamide are one or more of.
Preferably, the toughener can be the one or more of POE, SBS or SEBS.
Preferably, the compatilizer can be POE grafted maleic anhydrides, it is Research of Grafting Malaic Anhydride Onto Polyethylene, polypropylene grafted
Maleic anhydride, polyamide grafts maleic anhydride, maleic anhydride, polycthylene grafted acryhic, polypropylene grafted acrylic acid
It is a kind of.
Preferably, the filler is talcum powder, calcium carbonate, wollastonite, the one or more of montmorillonite.
Preferably, the antioxidant can be triphenyl phosphite, four [β-(3,5- di-tert-butyl-hydroxy phenyl) third
Acid] pentaerythritol ester, the one or more of β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid octadecanol ester.
Preferably, the hot melt adhesive layer is EVA or PA hot melt adhesive.
Compared with prior art, the beneficial effects of the invention are as follows：Compared with traditional sealing cap, this product double-wall pipe material is
Bright material can clearly see the sealing situation of sealing cap interior lines, and safety coefficient is high, and this product has created sealing cap and pyrocondensation double-wall pipe
With reference to mode, have safety coefficient high, have a wide range of application, and with good leakproofness, available for it is underwater wait it is more severe
Condition, this product cost is relatively low, and production efficiency is high, and yield rate is also very high, is suitble to produce in enormous quantities.
Description of the drawings
Fig. 1 is a kind of structure diagram of the insulated enclosure pyrocondensation sealing cap of wire terminations proposed by the present invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.
Embodiment one, with reference to Fig. 1, a kind of insulated enclosure pyrocondensation sealing cap of wire terminations is double including plastic seal cap 3 and pyrocondensation
Wall pipe 1, the inner wall of the pyrocondensation double-wall pipe 1 are equipped with hot melt adhesive layer 2, and one end of pyrocondensation double-wall pipe 1 is equipped with plastic seal cap 3,
In, plastic seal cap includes following raw material, and raw material weight ratio is：70 parts of polyethylene, 5 parts of POE, 5 parts of PE-MAH, calcium carbonate 5-20
Part, 0.1-1 parts of triphenyl phosphite, step are：Above-mentioned raw materials are put into high mixer and are blended, after made by double screw extruder
Grain, 110-140 DEG C of extrusion temperature finally produce plastic seal cap, 140-160 DEG C of injection temperature using the method for injection；
Band glue double-walled pipe production method：S1, extrusion molding：Outer wall layer material and inner wall layer material are added separately to main extruder
In the extruder of side, main extruder processing temperature is 100-120 DEG C, 80-95 DEG C of side extruder processing temperature, extrusion molding, so
Double wall heat draw semi-finished product are made in postcooling, drying；S2, irradiation：The double wall heat draw semi-finished product prepared in S1 are placed on unwrapping wire
On frame, radiation chamber is introduced by tension bracket, manufactured double-wall heat-shrinkable tube semi-finished product are carried out with Xun Huan irradiation and cooling, irradiates agent
It measures as 13Mrad；S3, expansion：The double wall heat draw irradiated in S2 is heated, expand sizing, cooling after, finished product
Double wall heat draw, heating temperature is 100 DEG C from the process, and expansion multiple is 3 times, and the finished product double-walled bore after expansion is 6mm,
Wall thickness 0.8mm；S4, Pipe Cutting：The effective pipe cutting machine of double-walled after expansion is cut into formulation size, Pipe Cutting size model by given size
It encloses：36mm；
Pyrocondensation sealing cap production technology：Plastic seal cap and the double-wall pipe cut are individually positioned on mold, carried out by heat gun
Double-wall pipe one end with sealing cap is bonded together, completes the production of product by baking, 400 DEG C of heat gun temperature.
In the present invention, the main material can be that polyethylene, polypropylene or polyamide are one or more of, and the toughener can
To be the one or more of POE, SBS or SEBS, the compatilizer can be POE grafted maleic anhydrides, polycthylene grafted Malaysia
Acid anhydrides, polypropylene grafted maleic anhydride, polyamide grafts maleic anhydride, maleic anhydride, polycthylene grafted acryhic, poly- third
One kind of alkene grafted propylene acid, the filler is talcum powder, calcium carbonate, wollastonite, the one or more of montmorillonite, the antioxygen
Agent can be triphenyl phosphite, four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters, β-(3,5- bis-
Tert-butyl-hydroxy phenyl) propionic acid octadecanol ester one or more, hot melt adhesive layer 2 be EVA or PA hot melt adhesive.
Embodiment two, the insulated enclosure pyrocondensation sealing cap of a kind of wire terminations, including plastic seal cap 3 and pyrocondensation double-wall pipe 1, institute
The inner wall for stating pyrocondensation double-wall pipe 1 is equipped with hot melt adhesive layer 2, and one end of pyrocondensation double-wall pipe 1 is equipped with plastic seal cap 3, wherein, plastic seal
Cap includes following raw material, and raw material weight ratio is：70 parts of polyamide, SBS10 parts, 5 parts of PA-MAH, 15 parts of wollastonite, β-(3,5-
Di-tert-butyl-hydroxy phenyl) 0.5 part of propionic acid octadecanol ester, step is：Above-mentioned raw materials are put into high mixer and are blended, after
It is granulated by double screw extruder, 160-240 DEG C of extrusion temperature, plastic seal cap is finally produced using the method for injection, be molded
220-260 DEG C of temperature；
Band glue double-walled pipe production method：S1, extrusion molding：Outer wall layer material and inner wall layer material are added separately to main extruder
In the extruder of side, main extruder processing temperature is 100-140 DEG C, 80-95 DEG C of side extruder processing temperature, extrusion molding, so
Double wall heat draw semi-finished product are made in postcooling, drying；S2, irradiation：The double wall heat draw semi-finished product prepared in S1 are placed on unwrapping wire
On frame, radiation chamber is introduced by tension bracket, manufactured double-wall heat-shrinkable tube semi-finished product are carried out with Xun Huan irradiation and cooling, irradiates agent
It measures as 13Mrad；S3, expansion：The double wall heat draw irradiated in S2 is heated, expand sizing, cooling after, finished product
Double wall heat draw, heating temperature is 130 DEG C from the process, and expansion multiple is 4 times, and the finished product double-walled bore after expansion is 8mm,
Wall thickness 1.0mm；S4, Pipe Cutting：The effective pipe cutting machine of double-walled after expansion is cut into formulation size, Pipe Cutting size model by given size
It encloses：42mm；
Pyrocondensation sealing cap production technology：Plastic seal cap and the double-wall pipe cut are individually positioned on mold, carried out by heat gun
Double-wall pipe one end with sealing cap is bonded together, completes the production of product by baking, 450 DEG C of heat gun temperature.
Compared with traditional sealing cap, this product double-wall pipe material is transparent material, can clearly see the sealing of sealing cap interior lines
Situation, safety coefficient is high, and this product has created the mode that sealing cap and pyrocondensation double-wall pipe combine, and has safety coefficient high, using model
It encloses extensively, and with good leakproofness, is waited available for underwater compared with mal-condition, this product cost is relatively low, and production efficiency
Height, yield rate is also very high, is suitble to produce in enormous quantities.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (7)
1. a kind of insulated enclosure pyrocondensation sealing cap of wire terminations, including plastic seal cap（3）With pyrocondensation double-wall pipe（1）, feature exists
In the pyrocondensation double-wall pipe（1）Inner wall be equipped with hot melt adhesive layer（2）, pyrocondensation double-wall pipe（1）One end be equipped with plastic seal cap
（3）, wherein, plastic seal cap includes following raw material, and raw material weight ratio is：60-90 parts of main material, 2-10 parts of toughener, compatilizer
2-8 parts, 5-20 parts of filler, 0.1-1 parts of antioxidant, step is：Above-mentioned raw materials are put into high mixer and are blended, after pass through twin-screw
Extruder is granulated, 110-260 DEG C of extrusion temperature, finally produces plastic seal cap, injection temperature 140-260 using the method for injection
℃；
Band glue double-walled pipe production method：S1, extrusion molding：Outer wall layer material and inner wall layer material are added separately to main extruder
In the extruder of side, main extruder processing temperature is 100-180 DEG C, 80-140 DEG C of side extruder processing temperature, extrusion molding, so
Double wall heat draw semi-finished product are made in postcooling, drying；S2, irradiation：The double wall heat draw semi-finished product prepared in S1 are placed on unwrapping wire
On frame, radiation chamber is introduced by tension bracket, manufactured double-wall heat-shrinkable tube semi-finished product are carried out with Xun Huan irradiation and cooling, irradiates agent
It measures as 5-15Mrad；S3, expansion：The double wall heat draw irradiated in S2 is heated, expand sizing, cooling after, be made into
Product double wall heat draw, heating temperature is 100-150 DEG C from the process, and expansion multiple is 2-6 times, in the finished product double-wall pipe after expansion
Footpath is 3.2-14mm, wall thickness 0.3-1.2mm；S4, Pipe Cutting：The effective pipe cutting machine of double-walled after expansion is cut into formulation by given size
Size, Pipe Cutting size range：25-45mm；
Pyrocondensation sealing cap production technology：Plastic seal cap and the double-wall pipe cut are individually positioned on mold, carried out by heat gun
Double-wall pipe one end with sealing cap is bonded together, completes the production of product by baking, 350-450 DEG C of heat gun temperature.
A kind of 2. insulated enclosure pyrocondensation sealing cap of wire terminations according to claim 1, which is characterized in that the main material
Can be that polyethylene, polypropylene or polyamide are one or more of.
A kind of 3. insulated enclosure pyrocondensation sealing cap of wire terminations according to claim 1, which is characterized in that the toughener
Can be the one or more of POE, SBS or SEBS.
A kind of 4. insulated enclosure pyrocondensation sealing cap of wire terminations according to claim 1, which is characterized in that the compatilizer
Can be POE grafted maleic anhydrides, Research of Grafting Malaic Anhydride Onto Polyethylene, polypropylene grafted maleic anhydride, polyamide grafts maleic acid
Acid anhydride, maleic anhydride, polycthylene grafted acryhic, one kind of polypropylene grafted acrylic acid.
5. the insulated enclosure pyrocondensation sealing cap of a kind of wire terminations according to claim 1, which is characterized in that the filler is
Talcum powder, calcium carbonate, wollastonite, the one or more of montmorillonite.
A kind of 6. insulated enclosure pyrocondensation sealing cap of wire terminations according to claim 1, which is characterized in that the antioxidant
Can be triphenyl phosphite, four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters, β-(3,5- bis- uncles
Butyl -4- hydroxy phenyls) propionic acid octadecanol ester one or more.
A kind of 7. insulated enclosure pyrocondensation sealing cap of wire terminations according to claim 1, which is characterized in that the hot melt adhesive
Layer（2）For EVA or PA hot melt adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711377848.6A CN108075434A (en) | 2017-12-19 | 2017-12-19 | A kind of insulated enclosure pyrocondensation sealing cap of wire terminations |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711377848.6A CN108075434A (en) | 2017-12-19 | 2017-12-19 | A kind of insulated enclosure pyrocondensation sealing cap of wire terminations |
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| Publication Number | Publication Date |
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| CN108075434A true CN108075434A (en) | 2018-05-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711377848.6A Pending CN108075434A (en) | 2017-12-19 | 2017-12-19 | A kind of insulated enclosure pyrocondensation sealing cap of wire terminations |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109510159A (en) * | 2018-11-23 | 2019-03-22 | 上海晗普新材料科技有限公司 | A kind of transparent pyrocondensation sealing cap |
| CN110718775A (en) * | 2018-07-11 | 2020-01-21 | 矢崎总业株式会社 | Waterproof connection structure for electric wire and waterproof connection method for electric wire |
| CN109510159B (en) * | 2018-11-23 | 2024-04-30 | 苏州晗普新材料科技有限公司 | Transparent thermal shrinkage sealing cap |
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| CN104789144A (en) * | 2015-03-27 | 2015-07-22 | 大连联合高分子材料有限公司 | Heat-shrinkable double-wall miniature seal cap for automobile wiring harness end connector and manufacturing method thereof |
| CN104882845A (en) * | 2015-05-29 | 2015-09-02 | 深圳市智豪特材科技有限公司 | Special-purpose sealing cap for miniaturized wire harness, and manufacturing method thereof |
| CN104877619A (en) * | 2015-05-29 | 2015-09-02 | 深圳市智豪特材科技有限公司 | Miniature heat shrinkage type automobile wire harness sealing cap and manufacturing method thereof |
| CN205900812U (en) * | 2016-07-06 | 2017-01-18 | 乐清凯森电器科技有限公司 | Pyrocondensation terminal with soldering tin function |
| JP2017079162A (en) * | 2015-10-21 | 2017-04-27 | 株式会社オートネットワーク技術研究所 | Method of manufacturing electric wire with heat shrinkable tube and electric wire with heat shrinkable tube |
-
2017
- 2017-12-19 CN CN201711377848.6A patent/CN108075434A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104789144A (en) * | 2015-03-27 | 2015-07-22 | 大连联合高分子材料有限公司 | Heat-shrinkable double-wall miniature seal cap for automobile wiring harness end connector and manufacturing method thereof |
| CN104882845A (en) * | 2015-05-29 | 2015-09-02 | 深圳市智豪特材科技有限公司 | Special-purpose sealing cap for miniaturized wire harness, and manufacturing method thereof |
| CN104877619A (en) * | 2015-05-29 | 2015-09-02 | 深圳市智豪特材科技有限公司 | Miniature heat shrinkage type automobile wire harness sealing cap and manufacturing method thereof |
| JP2017079162A (en) * | 2015-10-21 | 2017-04-27 | 株式会社オートネットワーク技術研究所 | Method of manufacturing electric wire with heat shrinkable tube and electric wire with heat shrinkable tube |
| CN205900812U (en) * | 2016-07-06 | 2017-01-18 | 乐清凯森电器科技有限公司 | Pyrocondensation terminal with soldering tin function |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110718775A (en) * | 2018-07-11 | 2020-01-21 | 矢崎总业株式会社 | Waterproof connection structure for electric wire and waterproof connection method for electric wire |
| CN109510159A (en) * | 2018-11-23 | 2019-03-22 | 上海晗普新材料科技有限公司 | A kind of transparent pyrocondensation sealing cap |
| CN109510159B (en) * | 2018-11-23 | 2024-04-30 | 苏州晗普新材料科技有限公司 | Transparent thermal shrinkage sealing cap |
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