CN116936188A - Preparation method of high-temperature-resistant electronic connection wire harness - Google Patents
Preparation method of high-temperature-resistant electronic connection wire harness Download PDFInfo
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- CN116936188A CN116936188A CN202310995955.4A CN202310995955A CN116936188A CN 116936188 A CN116936188 A CN 116936188A CN 202310995955 A CN202310995955 A CN 202310995955A CN 116936188 A CN116936188 A CN 116936188A
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- wire
- wire harness
- electronic
- insulating
- temperature
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- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 24
- 239000002245 particle Substances 0.000 claims abstract description 14
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 14
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 14
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 14
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000002184 metal Substances 0.000 claims description 40
- 229910052751 metal Inorganic materials 0.000 claims description 40
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 35
- 229910052802 copper Inorganic materials 0.000 claims description 35
- 239000010949 copper Substances 0.000 claims description 35
- 238000004519 manufacturing process Methods 0.000 claims description 17
- 238000002156 mixing Methods 0.000 claims description 15
- 238000005491 wire drawing Methods 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 14
- 230000008569 process Effects 0.000 claims description 10
- 238000001125 extrusion Methods 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 8
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 5
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 5
- 239000002390 adhesive tape Substances 0.000 claims description 5
- 230000003712 anti-aging effect Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 238000005520 cutting process Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 5
- 239000010687 lubricating oil Substances 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 5
- 238000004513 sizing Methods 0.000 claims description 5
- 238000004073 vulcanization Methods 0.000 claims description 5
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 abstract description 12
- 239000003963 antioxidant agent Substances 0.000 abstract description 4
- 230000003078 antioxidant effect Effects 0.000 abstract description 4
- 230000006866 deterioration Effects 0.000 abstract description 2
- 238000002845 discoloration Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 230000003647 oxidation Effects 0.000 abstract description 2
- 238000007254 oxidation reaction Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000009413 insulation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/012—Apparatus or processes specially adapted for manufacturing conductors or cables for manufacturing wire harnesses
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/02—Stranding-up
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/70—Insulation of connections
- H01R4/72—Insulation of connections using a heat shrinking insulating sleeve
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/04—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Ropes Or Cables (AREA)
Abstract
The invention discloses a preparation method of a high-temperature-resistant electronic connection wire harness, which comprises the following steps: the method comprises the following specific steps: s1, drawing wires; s2, twisting; s3, preparing an insulating wire harness sleeve; s4, extruding an insulating wire harness sleeve; s5, connecting the end heads; s6, detecting and warehousing, the invention has the beneficial effects that: the high temperature resistance of the electronic wire harness protective sleeve is improved, the antioxidant performance of the electronic wire harness protective sleeve is improved by adding the antioxidant RD into the insulating wire harness sleeve, oxidation deterioration or discoloration is not easy, the added conductive carbon black has an antistatic effect, and meanwhile, polytetrafluoroethylene particles improve the good wear resistance of the electronic wire harness protective sleeve, are not easy to wear and damage, prolong the service life of the electronic wire harness protective sleeve, improve the insulating performance of the electronic wire harness protective sleeve, are not easy to conduct, improve the waterproof and dampproof performance of the electronic wire harness protective sleeve, are not easy to wet when in use, and improve the safety when in use.
Description
Technical Field
The invention relates to the technical field of electronic wire harnesses, in particular to a preparation method of a high-temperature-resistant electronic connection wire harness.
Background
The wiring harness is a connection between signals and power sources coming and going between carrying devices, is a wiring part for connecting all electric devices in a circuit, and is used for transmitting signals and power sources between electronic components.
When the external temperature is too high, the high temperature burns out the electronic wire harness easily, so that the wire harness cannot be used normally, or the service life of the electronic wire harness is reduced.
Disclosure of Invention
Therefore, the invention provides a preparation method of a high-temperature-resistant electronic connection wire harness, which aims to solve the problems that the wire harness cannot be normally used or the service life of the electronic wire harness is reduced due to the fact that the electronic wire harness is easy to burn at high temperature.
In order to achieve the above object, the present invention provides the following technical solutions: a preparation method of a high-temperature-resistant electronic connection wire harness comprises the following specific steps:
s1, wire drawing: when the metal round rod of the wire passes through the film hole of the manufacturing die, the metal round rod is easy to deform under the action of tensile force, the cross-sectional area of the wire can be reduced by deformation, lubricating oil is continuously introduced in the wire drawing process, the bottom of a drawn wire is rapidly heated, so that the wire is kept at the temperature required by wire drawing, meanwhile, the wire is rapidly inserted into the film hole of the second manufacturing die, so that the cross-sectional area of the wire is reduced again, and the wire is rapidly annealed and wound until the wire is drawn to the required diameter;
s2, stranding: the method comprises the steps of arranging a plurality of wire metal wires at equal intervals according to the circumference, twisting the wire metal wires together according to a certain twisting distance to obtain an electronic connecting wire, adjusting a doubling die and a compacting die of the metal wires, starting a stranding machine at a low speed, stopping the stranding machine after twisting for a certain distance, checking the twisting direction of the metal wires and the twisted metal wires, continuously starting the stranding machine after confirming no shortage, broken wires and complete appearance, and simultaneously slowly lifting the speed of the stranding machine and accelerating twisting;
s3, preparing an insulating wire harness sleeve: preheating a polytetrafluoroethylene particle internal mixer, adding base material polytetrafluoroethylene particles, plasticating for 12min, sequentially adding zinc stearate, an anti-aging agent RD, a specific amount of conductive carbon black and a silane coupling agent, mixing for 3-5min, then adding the rest conductive carbon black, mixing for 2min, finally adding a vulcanization accelerator, continuously mixing for a certain time, discharging rubber, and thinning the discharged rubber by an open mill to obtain the insulating wire harness sleeve rubber.
S4, extruding an insulating wire harness sleeve: filling the insulating wire harness sleeve sizing material into a high-temperature plastic extruder, extruding by adopting an extrusion pipe type die, wherein the extrusion temperature is different according to different temperature areas, wrapping wires in transmission in the extrusion process of the insulating wire harness sleeve, and rapidly cooling by a fan to obtain an electronic wire harness;
s5, end connection: cutting and stripping an insulating wire harness sleeve at one end of an electronic wire harness, measuring a copper shielding layer with a certain length, sleeving the copper shielding layer outside an exposed wire of the electronic wire harness, fixing the exposed wire part by an insulating adhesive tape, covering a heat shrink tube on the electronic wire harness, inserting the copper shielding layer into an end socket, screwing the copper shielding layer by an insulating bolt on the end socket, fixing the electronic wire harness and the end socket, moving the heat shrink tube to one side of the end socket, sleeving the heat shrink tube outside the copper shielding layer, heating the heat shrink tube by a dryer, shrinking the heat shrink tube, wrapping the copper shielding layer, and preventing the copper shielding layer from being exposed outside;
s6, detecting and warehousing: and detecting the high temperature resistance of the electronic wire harness, and warehousing after the detection is qualified.
Preferably, in the step S1, the metal round bar is made of nickel-plated copper alloy wire.
Preferably, in the step S2, the twisting direction is clockwise.
Preferably, in the step S3, the polytetrafluoroethylene particle internal mixer is preheated to 70-80 ℃.
Preferably, in the step S3, the open mill is passed through for 1-3 times.
Preferably, in the step S4, the temperature of the body is controlled to 290-310 ℃.
Preferably, in the step S4, the temperature of the machine head is controlled to be 275-285 ℃, and the temperature of the die opening is controlled to be 280-300 ℃.
Preferably, in the step S5, the temperature of the heat shrinkage tube heated by the dryer is controlled to be 50-70 ℃.
The embodiment of the invention has the following advantages:
the high temperature resistance of the electronic wire harness protective sleeve is improved, the antioxidant performance of the electronic wire harness protective sleeve is improved by adding the antioxidant RD into the insulating wire harness sleeve, oxidation deterioration or discoloration is not easy, the added conductive carbon black has an antistatic effect, and meanwhile, polytetrafluoroethylene particles improve the good wear resistance of the electronic wire harness protective sleeve, are not easy to wear and damage, prolong the service life of the electronic wire harness protective sleeve, improve the insulating performance of the electronic wire harness protective sleeve, are not easy to conduct, improve the waterproof and dampproof performance of the electronic wire harness protective sleeve, are not easy to wet when in use, and improve the safety when in use.
Detailed Description
Other advantages and advantages of the present invention will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1:
the invention provides a preparation method of a high-temperature-resistant electronic connection wire harness, which comprises the following specific steps:
s1, wire drawing: when the metal round rod of the wire passes through the film hole of the manufacturing die, the metal round rod is easy to deform under the action of tensile force, the cross-sectional area of the wire can be reduced by deformation, lubricating oil is continuously introduced in the wire drawing process, the bottom of a drawn wire is rapidly heated, so that the wire is kept at the temperature required by wire drawing, meanwhile, the wire is rapidly inserted into the film hole of the second manufacturing die, so that the cross-sectional area of the wire is reduced again, and the wire is rapidly annealed and wound until the wire is drawn to the required diameter;
s2, stranding: the method comprises the steps of arranging a plurality of wire metal wires at equal intervals according to the circumference, twisting the wire metal wires together according to a certain twisting distance to obtain an electronic connecting wire, adjusting a doubling die and a compacting die of the metal wires, starting a stranding machine at a low speed, stopping the stranding machine after twisting for a certain distance, checking the twisting direction of the metal wires and the twisted metal wires, continuously starting the stranding machine after confirming no shortage, broken wires and complete appearance, and simultaneously slowly lifting the speed of the stranding machine and accelerating twisting;
s3, preparing an insulating wire harness sleeve: preheating a polytetrafluoroethylene particle internal mixer to 70-80 ℃, adding polytetrafluoroethylene particles as a base material, plasticating for 12min, sequentially adding zinc stearate, an anti-aging agent RD, a specific amount of conductive carbon black and a silane coupling agent, mixing for 3min, then adding the rest conductive carbon black, mixing for 2min, finally adding a vulcanization accelerator, continuously mixing for a certain time, discharging rubber, and thinning the discharged rubber with an open mill for 1 time to obtain the insulating wire harness sleeve rubber.
S4, extruding an insulating wire harness sleeve: filling the insulating wire harness sleeve sizing material into a high-temperature plastic extruding machine, extruding by adopting a tube extruding die, controlling the extruding temperature to be 290-310 ℃ according to different temperature areas, controlling the temperature of a machine body to be 275-285 ℃ and the temperature of a die orifice to be 280-300 ℃, controlling the heating temperature of a heat shrinkage tube to be 50-70 ℃ by a dryer, wrapping the wire in transmission in the extrusion process of the insulating wire harness sleeve, and rapidly cooling by a fan to obtain an electronic wire harness;
s5, end connection: cutting and stripping an insulating wire harness sleeve at one end of an electronic wire harness, measuring a copper shielding layer with a certain length, sleeving the copper shielding layer outside an exposed wire of the electronic wire harness, fixing the exposed wire part by an insulating adhesive tape, covering a heat shrink tube on the electronic wire harness, inserting the copper shielding layer into an end socket, screwing the copper shielding layer by an insulating bolt on the end socket, fixing the electronic wire harness and the end socket, moving the heat shrink tube to one side of the end socket, sleeving the heat shrink tube outside the copper shielding layer, heating the heat shrink tube by a dryer, shrinking the heat shrink tube, wrapping the copper shielding layer, and preventing the copper shielding layer from being exposed outside;
s6, detecting and warehousing: detecting the high temperature resistance of the electronic wire harness, and warehousing after the detection is qualified;
in this embodiment, the nickel-plated copper alloy wire is selected as the material of the metal round bar, and the twisting direction is clockwise.
Example 2:
the invention provides a preparation method of a high-temperature-resistant electronic connection wire harness, which comprises the following specific steps:
s1, wire drawing: when the metal round rod of the wire passes through the film hole of the manufacturing die, the metal round rod is easy to deform under the action of tensile force, the cross-sectional area of the wire can be reduced by deformation, lubricating oil is continuously introduced in the wire drawing process, the bottom of a drawn wire is rapidly heated, so that the wire is kept at the temperature required by wire drawing, meanwhile, the wire is rapidly inserted into the film hole of the second manufacturing die, so that the cross-sectional area of the wire is reduced again, and the wire is rapidly annealed and wound until the wire is drawn to the required diameter;
s2, stranding: the method comprises the steps of arranging a plurality of wire metal wires at equal intervals according to the circumference, twisting the wire metal wires together according to a certain twisting distance to obtain an electronic connecting wire, adjusting a doubling die and a compacting die of the metal wires, starting a stranding machine at a low speed, stopping the stranding machine after twisting for a certain distance, checking the twisting direction of the metal wires and the twisted metal wires, continuously starting the stranding machine after confirming no shortage, broken wires and complete appearance, and simultaneously slowly lifting the speed of the stranding machine and accelerating twisting;
s3, preparing an insulating wire harness sleeve: preheating a polytetrafluoroethylene particle internal mixer to 70-80 ℃, adding polytetrafluoroethylene particles as a base material, plasticating for 12min, sequentially adding zinc stearate, an anti-aging agent RD, a specific amount of conductive carbon black and a silane coupling agent, mixing for 4min, then adding the rest conductive carbon black, mixing for 2min, finally adding a vulcanization accelerator, continuously mixing for a certain time, discharging rubber, and thinning the discharged rubber with an open mill for 2 times to obtain the insulating wire harness sleeve rubber.
S4, extruding an insulating wire harness sleeve: filling the insulating wire harness sleeve sizing material into a high-temperature plastic extruding machine, extruding by adopting a tube extruding die, controlling the extruding temperature to be 290-310 ℃ according to different temperature areas, controlling the temperature of a machine body to be 275-285 ℃ and the temperature of a die orifice to be 280-300 ℃, controlling the heating temperature of a heat shrinkage tube to be 50-70 ℃ by a dryer, wrapping the wire in transmission in the extrusion process of the insulating wire harness sleeve, and rapidly cooling by a fan to obtain an electronic wire harness;
s5, end connection: cutting and stripping an insulating wire harness sleeve at one end of an electronic wire harness, measuring a copper shielding layer with a certain length, sleeving the copper shielding layer outside an exposed wire of the electronic wire harness, fixing the exposed wire part by an insulating adhesive tape, covering a heat shrink tube on the electronic wire harness, inserting the copper shielding layer into an end socket, screwing the copper shielding layer by an insulating bolt on the end socket, fixing the electronic wire harness and the end socket, moving the heat shrink tube to one side of the end socket, sleeving the heat shrink tube outside the copper shielding layer, heating the heat shrink tube by a dryer, shrinking the heat shrink tube, wrapping the copper shielding layer, and preventing the copper shielding layer from being exposed outside;
s6, detecting and warehousing: detecting the high temperature resistance of the electronic wire harness, and warehousing after the detection is qualified;
in this embodiment, the nickel-plated copper alloy wire is selected as the material of the metal round bar, and the twisting direction is clockwise.
Example 3:
the invention provides a preparation method of a high-temperature-resistant electronic connection wire harness, which comprises the following specific steps:
s1, wire drawing: when the metal round rod of the wire passes through the film hole of the manufacturing die, the metal round rod is easy to deform under the action of tensile force, the cross-sectional area of the wire can be reduced by deformation, lubricating oil is continuously introduced in the wire drawing process, the bottom of a drawn wire is rapidly heated, so that the wire is kept at the temperature required by wire drawing, meanwhile, the wire is rapidly inserted into the film hole of the second manufacturing die, so that the cross-sectional area of the wire is reduced again, and the wire is rapidly annealed and wound until the wire is drawn to the required diameter;
s2, stranding: the method comprises the steps of arranging a plurality of wire metal wires at equal intervals according to the circumference, twisting the wire metal wires together according to a certain twisting distance to obtain an electronic connecting wire, adjusting a doubling die and a compacting die of the metal wires, starting a stranding machine at a low speed, stopping the stranding machine after twisting for a certain distance, checking the twisting direction of the metal wires and the twisted metal wires, continuously starting the stranding machine after confirming no shortage, broken wires and complete appearance, and simultaneously slowly lifting the speed of the stranding machine and accelerating twisting;
s3, preparing an insulating wire harness sleeve: preheating a polytetrafluoroethylene particle internal mixer to 70-80 ℃, adding polytetrafluoroethylene particles as a base material, plasticating for 12min, sequentially adding zinc stearate, an anti-aging agent RD, a specific amount of conductive carbon black and a silane coupling agent, mixing for 5min, then adding the rest conductive carbon black, mixing for 2min, finally adding a vulcanization accelerator, continuously mixing for a certain time, discharging rubber, and thinning the discharged rubber with an open mill for 3 times to obtain the insulating wire harness sleeve rubber.
S4, extruding an insulating wire harness sleeve: filling the insulating wire harness sleeve sizing material into a high-temperature plastic extruding machine, extruding by adopting a tube extruding die, controlling the extruding temperature to be 290-310 ℃ according to different temperature areas, controlling the temperature of a machine body to be 275-285 ℃ and the temperature of a die orifice to be 280-300 ℃, controlling the heating temperature of a heat shrinkage tube to be 50-70 ℃ by a dryer, wrapping the wire in transmission in the extrusion process of the insulating wire harness sleeve, and rapidly cooling by a fan to obtain an electronic wire harness;
s5, end connection: cutting and stripping an insulating wire harness sleeve at one end of an electronic wire harness, measuring a copper shielding layer with a certain length, sleeving the copper shielding layer outside an exposed wire of the electronic wire harness, fixing the exposed wire part by an insulating adhesive tape, covering a heat shrink tube on the electronic wire harness, inserting the copper shielding layer into an end socket, screwing the copper shielding layer by an insulating bolt on the end socket, fixing the electronic wire harness and the end socket, moving the heat shrink tube to one side of the end socket, sleeving the heat shrink tube outside the copper shielding layer, heating the heat shrink tube by a dryer, shrinking the heat shrink tube, wrapping the copper shielding layer, and preventing the copper shielding layer from being exposed outside;
s6, detecting and warehousing: detecting the high temperature resistance of the electronic wire harness, and warehousing after the detection is qualified;
in this embodiment, the nickel-plated copper alloy wire is selected as the material of the metal round bar, and the twisting direction is clockwise.
The high temperature resistance, high temperature insulation resistance, and normal temperature insulation resistance data of the electronic connection harness prepared according to the above examples 1 to 3 were compared:
as can be seen from the above table, the high temperature resistant electronic connection harnesses prepared in examples 1 to 3 all have high temperature resistant characteristics, and the high temperature resistant electronic connection harness prepared in example 3 has low resistance at high temperature while having high temperature resistant characteristics.
The above description is of the preferred embodiments of the present invention, and any person skilled in the art may modify the present invention or make modifications to the present invention with the technical solutions described above. Therefore, any simple modification or equivalent made according to the technical solution of the present invention falls within the scope of the protection claimed by the present invention.
Claims (8)
1. A preparation method of a high-temperature-resistant electronic connection wire harness is characterized by comprising the following steps of: the method comprises the following specific steps:
s1, wire drawing: when the metal round rod of the wire passes through the film hole of the manufacturing die, the metal round rod is easy to deform under the action of tensile force, the cross-sectional area of the wire can be reduced by deformation, lubricating oil is continuously introduced in the wire drawing process, the bottom of a drawn wire is rapidly heated, so that the wire is kept at the temperature required by wire drawing, meanwhile, the wire is rapidly inserted into the film hole of the second manufacturing die, so that the cross-sectional area of the wire is reduced again, and the wire is rapidly annealed and wound until the wire is drawn to the required diameter;
s2, stranding: the method comprises the steps of arranging a plurality of wire metal wires at equal intervals according to the circumference, twisting the wire metal wires together according to a certain twisting distance to obtain an electronic connecting wire, adjusting a doubling die and a compacting die of the metal wires, starting a stranding machine at a low speed, stopping the stranding machine after twisting for a certain distance, checking the twisting direction of the metal wires and the twisted metal wires, continuously starting the stranding machine after confirming no shortage, broken wires and complete appearance, and simultaneously slowly lifting the speed of the stranding machine and accelerating twisting;
s3, preparing an insulating wire harness sleeve: preheating a polytetrafluoroethylene particle internal mixer, adding base material polytetrafluoroethylene particles, plasticating for 12min, sequentially adding zinc stearate, an anti-aging agent RD, a specific amount of conductive carbon black and a silane coupling agent, mixing for 3-5min, then adding the rest conductive carbon black, mixing for 2min, finally adding a vulcanization accelerator, continuously mixing for a certain time, discharging rubber, and thinning the discharged rubber by an open mill to obtain the insulating wire harness sleeve rubber.
S4, extruding an insulating wire harness sleeve: filling the insulating wire harness sleeve sizing material into a high-temperature plastic extruder, extruding by adopting an extrusion pipe type die, wherein the extrusion temperature is different according to different temperature areas, wrapping wires in transmission in the extrusion process of the insulating wire harness sleeve, and rapidly cooling by a fan to obtain an electronic wire harness;
s5, end connection: cutting and stripping an insulating wire harness sleeve at one end of an electronic wire harness, measuring a copper shielding layer with a certain length, sleeving the copper shielding layer outside an exposed wire of the electronic wire harness, fixing the exposed wire part by an insulating adhesive tape, covering a heat shrink tube on the electronic wire harness, inserting the copper shielding layer into an end socket, screwing the copper shielding layer by an insulating bolt on the end socket, fixing the electronic wire harness and the end socket, moving the heat shrink tube to one side of the end socket, sleeving the heat shrink tube outside the copper shielding layer, heating the heat shrink tube by a dryer, shrinking the heat shrink tube, wrapping the copper shielding layer, and preventing the copper shielding layer from being exposed outside;
s6, detecting and warehousing: and detecting the high temperature resistance of the electronic wire harness, and warehousing after the detection is qualified.
2. The method for manufacturing a high temperature resistant electrical connection harness according to claim 1, characterized in that: in the step S1, the material of the metal round bar is nickel-plated copper alloy wire.
3. The method for manufacturing a high temperature resistant electrical connection harness according to claim 1, characterized in that: in the step S2, the twisting direction is clockwise.
4. The method for manufacturing a high temperature resistant electrical connection harness according to claim 1, characterized in that: in the step S3, the polytetrafluoroethylene particle internal mixer is preheated to 70-80 ℃.
5. The method for manufacturing a high temperature resistant electrical connection harness according to claim 1, characterized in that: in the step S3, the open mill is conducted for 1-3 times.
6. The method for manufacturing a high temperature resistant electrical connection harness according to claim 1, characterized in that: in the step S4, the temperature of the machine body is controlled to be 290-310 ℃.
7. The method for manufacturing a high temperature resistant electrical connection harness according to claim 1, characterized in that: in the step S4, the temperature of the machine head is controlled to be 275-285 ℃, and the temperature of the die orifice is controlled to be 280-300 ℃.
8. The method for manufacturing a high temperature resistant electrical connection harness according to claim 1, characterized in that: in the step S5, the temperature of the heat shrinkage tube heated by the dryer is controlled to be 50-70 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310995955.4A CN116936188A (en) | 2023-08-09 | 2023-08-09 | Preparation method of high-temperature-resistant electronic connection wire harness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310995955.4A CN116936188A (en) | 2023-08-09 | 2023-08-09 | Preparation method of high-temperature-resistant electronic connection wire harness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116936188A true CN116936188A (en) | 2023-10-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310995955.4A Pending CN116936188A (en) | 2023-08-09 | 2023-08-09 | Preparation method of high-temperature-resistant electronic connection wire harness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116936188A (en) |
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2023
- 2023-08-09 CN CN202310995955.4A patent/CN116936188A/en active Pending
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