CN111710477A - Wire harness coating assembling method - Google Patents
Wire harness coating assembling method Download PDFInfo
- Publication number
- CN111710477A CN111710477A CN202010522491.1A CN202010522491A CN111710477A CN 111710477 A CN111710477 A CN 111710477A CN 202010522491 A CN202010522491 A CN 202010522491A CN 111710477 A CN111710477 A CN 111710477A
- Authority
- CN
- China
- Prior art keywords
- wire harness
- polyurethane
- foaming tool
- mold
- foaming
- 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.)
- Pending
Links
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
- H01B13/01236—Apparatus or processes specially adapted for manufacturing conductors or cables for manufacturing wire harnesses the wires being disposed by machine
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- 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
- H01B13/01263—Tying, wrapping, binding, lacing, strapping or sheathing harnesses
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- 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
- H01B13/32—Filling or coating with impervious material
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Processing Of Terminals (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a wire harness covering and assembling method, which comprises the steps of carrying out early-stage treatment on a wire harness and a foaming tool mold to finish preparation work; fixing the part of the wire harness to be coated in a die cavity of a foaming tool die; controlling the mold temperature of a foaming tool mold at room temperature, injecting a polyurethane material A and a polyurethane material B with the temperature controlled within a preset temperature into a mold cavity of the foaming tool mold, and automatically curing and molding the material A and the material B at room temperature to form a wire harness coating object; demolding the wire harness coated with the coating object, and trimming; and (4) placing the trimmed wire harness at room temperature, curing, packaging and warehousing. The polyurethane coating is directly subjected to injection molding on the wire harness in a foaming tool die through a foaming process, so that the automation degree of assembly production of the wire harness can be improved, and the product has better noise reduction, dust prevention, water prevention and oil prevention effects.
Description
Technical Field
The invention relates to a wire harness coating and assembling method, and belongs to the field of automobile wire harness coating.
Background
At present, the known automobile wire harness coating assembly is to coat the wire harness by using a corrugated pipe, a self-rolling cloth base, an adhesive tape and the like by manual or semi-manual operation, the automation degree is low, and meanwhile, a coating object does not have good noise reduction and dustproof, waterproof and oilproof effects.
Disclosure of Invention
The invention provides a wire harness covering and assembling method, which solves the problems disclosed in the background technology.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a method for assembling a wire harness package includes,
carrying out early-stage treatment on the wire harness and the foaming tool mold to finish preparation work;
fixing the part of the wire harness to be coated in a die cavity of a foaming tool die;
controlling the mold temperature of a foaming tool mold at room temperature, injecting a polyurethane material A and a polyurethane material B with the temperature controlled within a preset temperature into a mold cavity of the foaming tool mold, and automatically curing and molding the material A and the material B at room temperature to form a wire harness coating object;
demolding the wire harness coated with the coating object, and trimming;
and (4) placing the trimmed wire harness at room temperature, curing, packaging and warehousing.
The specific process of the preliminary treatment of the wiring harness and the foaming tool die comprises the following steps,
carrying out branch carding on the wiring harness;
and cleaning the foaming tool die, and uniformly coating a release agent in the tool die.
And respectively adding the polyurethane A material and the polyurethane B material into the tooling equipment, and injecting the polyurethane A material and the polyurethane B material into a foaming tooling mould through a mixing head of the foaming equipment.
The temperature of the polyurethane material A and the polyurethane material B is controlled within 15-35 ℃.
The material A and the material B are cured and formed for 2 minutes at room temperature.
In the demolding process, in response to the fact that the wire harness is provided with the accessories, the accessories on the wire harness are separated from the accessory notch of the foaming tool mold, and then the wire harness is supported out.
Trimming the flash, wherein the trimming is required to be tidy and without saw teeth.
And packaging and warehousing after post curing for 20 minutes.
The invention achieves the following beneficial effects: the polyurethane coating is directly subjected to injection molding on the wire harness in a foaming tool die through a foaming process, so that the automation degree of assembly production of the wire harness can be improved, and the product has better noise reduction, dust prevention, water prevention and oil prevention effects.
Detailed Description
The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
A wire harness covering and assembling method comprises the following steps:
and step 1, finishing preparation work.
Respectively adding the polyurethane A material and the polyurethane B material into handheld tool equipment, performing branch carding on the wiring harness, selecting/adjusting a forming program on foaming equipment according to the size and the shape of the wiring harness, cleaning a foaming tool mould, and uniformly coating a release agent in the tool mould by using a brush or a spray gun to finish preparation work.
And 2, fixing the wire harness.
And fixing the part to be coated of the wire harness in a die cavity of a foaming tool die, and clamping the wire harness through a tool fixing structure.
To having annex pencil product to install annex such as plastic support, metal steel ring and staple bolt/knot as required, the requirement: the position is accurate, and the specification and the model are correct.
And step 3, pouring.
Controlling the mold temperature of the foaming tool mold at room temperature, injecting polyurethane A material and polyurethane B material with the temperature controlled within a preset temperature into a mold cavity of the foaming tool mold through a mixing head of foaming equipment, and controlling the temperature of the polyurethane A material and the temperature of the polyurethane B material within 15-35 ℃.
And 4, curing and forming.
The material A and the material B are cured and formed into a wire harness cladding object at room temperature; the curing and molding time is 2 minutes.
And 5, demolding.
And separating the foaming tool die along the joint line, and demolding the wire harness coated with the coating. If the wire harness has accessories, the handle extends to the accessory notch of the foaming tool mold to separate the accessories on the wire harness from the accessory notch, and then the wire harness is supported out to prevent tearing.
And 6, trimming. Trimming the flash of the demoulded product, wherein the trimming is required to be neat and without saw-teeth.
And 7, post-curing.
And (3) placing the trimmed wire harness at room temperature, curing the wire harness, packaging the wire harness after 20 minutes, and warehousing the wire harness to prevent the wire harness from being insufficiently cured and being extruded to generate irreversible deformation.
In the method, the wire harness cladding material foaming process has no specific requirements on the pressure and the temperature of the foaming tool die, so that the design of the foaming tool die is more flexible and more flexible, the die sinking cost can be reduced, and the compatibility among different products can be realized.
According to the method, the polyurethane coating is directly subjected to injection molding on the wire harness through a foaming process in a foaming tool mold, so that the automation degree of assembly production of the wire harness can be improved, and the product has better noise reduction, scratch and abrasion resistance, dust prevention, water prevention and oil prevention effects.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A wire harness coating and assembling method is characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
carrying out early-stage treatment on the wire harness and the foaming tool mold to finish preparation work;
fixing the part of the wire harness to be coated in a die cavity of a foaming tool die;
controlling the mold temperature of a foaming tool mold at room temperature, injecting a polyurethane material A and a polyurethane material B with the temperature controlled within a preset temperature into a mold cavity of the foaming tool mold, and automatically curing and molding the material A and the material B at room temperature to form a wire harness coating object;
demolding the wire harness coated with the coating object, and trimming;
and (4) placing the trimmed wire harness at room temperature, curing, packaging and warehousing.
2. The method for assembling a wire harness according to claim 1, wherein: the specific process of the preliminary treatment of the wiring harness and the foaming tool die comprises the following steps,
carrying out branch carding on the wiring harness;
and cleaning the foaming tool die, and uniformly coating a release agent in the tool die.
3. The method for assembling a wire harness according to claim 1, wherein: and respectively adding the polyurethane A material and the polyurethane B material into the tooling equipment, and injecting the polyurethane A material and the polyurethane B material into a foaming tooling mould through a mixing head of the foaming equipment.
4. The method for assembling a wire harness according to claim 1, wherein: the temperature of the polyurethane material A and the polyurethane material B is controlled within 15-35 ℃.
5. The method for assembling a wire harness according to claim 1, wherein: the material A and the material B are cured and formed for 2 minutes at room temperature.
6. The method for assembling a wire harness according to claim 1, wherein: in the demolding process, in response to the fact that the wire harness is provided with the accessories, the accessories on the wire harness are separated from the accessory notch of the foaming tool mold, and then the wire harness is supported out.
7. The method for assembling a wire harness according to claim 1, wherein: trimming the flash, wherein the trimming is required to be tidy and without saw teeth.
8. The method for assembling a wire harness according to claim 1, wherein: and packaging and warehousing after post curing for 20 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010522491.1A CN111710477A (en) | 2020-06-10 | 2020-06-10 | Wire harness coating assembling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010522491.1A CN111710477A (en) | 2020-06-10 | 2020-06-10 | Wire harness coating assembling method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111710477A true CN111710477A (en) | 2020-09-25 |
Family
ID=72539720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010522491.1A Pending CN111710477A (en) | 2020-06-10 | 2020-06-10 | Wire harness coating assembling method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111710477A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113593753A (en) * | 2021-07-30 | 2021-11-02 | 长春捷翼汽车零部件有限公司 | Wire harness production method and wire harness |
| CN114664480A (en) * | 2020-12-22 | 2022-06-24 | 长城汽车股份有限公司 | Conformal wiring harness and processing technology thereof and automobile wiring harness |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102667970A (en) * | 2009-11-25 | 2012-09-12 | 株式会社自动网络技术研究所 | Process for producing wire harness, and wire harness |
| CN109415021A (en) * | 2016-05-09 | 2019-03-01 | 矢崎系统技术有限公司 | Harness, vehicle part, mold, mold system and the method for manufacturing harness |
| CN110142912A (en) * | 2019-06-11 | 2019-08-20 | 昆山沪光汽车电器股份有限公司 | A kind of wire harness bracket foam process |
| CN110277195A (en) * | 2018-03-13 | 2019-09-24 | 矢崎总业株式会社 | The manufacturing method of harness and the sheet material with harness |
-
2020
- 2020-06-10 CN CN202010522491.1A patent/CN111710477A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102667970A (en) * | 2009-11-25 | 2012-09-12 | 株式会社自动网络技术研究所 | Process for producing wire harness, and wire harness |
| CN109415021A (en) * | 2016-05-09 | 2019-03-01 | 矢崎系统技术有限公司 | Harness, vehicle part, mold, mold system and the method for manufacturing harness |
| CN110277195A (en) * | 2018-03-13 | 2019-09-24 | 矢崎总业株式会社 | The manufacturing method of harness and the sheet material with harness |
| CN110142912A (en) * | 2019-06-11 | 2019-08-20 | 昆山沪光汽车电器股份有限公司 | A kind of wire harness bracket foam process |
Non-Patent Citations (1)
| Title |
|---|
| 橡胶工业原材料与装备简明手册编审委员会: "《橡胶工业原材料与装备简明手册原材料与工艺耗材分册》", 31 January 2019 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114664480A (en) * | 2020-12-22 | 2022-06-24 | 长城汽车股份有限公司 | Conformal wiring harness and processing technology thereof and automobile wiring harness |
| CN113593753A (en) * | 2021-07-30 | 2021-11-02 | 长春捷翼汽车零部件有限公司 | Wire harness production method and wire harness |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20200925 |