CN1651226A - Method for forming internal parts of transportation means - Google Patents
Method for forming internal parts of transportation means Download PDFInfo
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- CN1651226A CN1651226A CN 200410003143 CN200410003143A CN1651226A CN 1651226 A CN1651226 A CN 1651226A CN 200410003143 CN200410003143 CN 200410003143 CN 200410003143 A CN200410003143 A CN 200410003143A CN 1651226 A CN1651226 A CN 1651226A
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- matrix material
- ornament materials
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- melt adhesive
- mold
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Abstract
A shaping method for the internal part of traffic means includes such steps as providing upper and lower dies, adding the thermofusable adhesive onto the surface of decorative material, putting basic material on lower die, putting the decorative material on the basic material, closing die set, and steam heating for fusing the adhesive.
Description
Technical field
The present invention relates to the manufacturing process of vehicle interior parts, more specifically, relate to the manufacturing process of vehicle interior parts, this method improvement matrix material combine with part between the ornament materials.
Background technology
Shown in Fig. 5 to 7, vehicle interior parts 10 generally comprise matrix material 111 and ornament materials 113, the outward appearance that ornament materials 113 is positioned at matrix material 111 surfaces and decorates matrix material 111.Ornament materials 113 comprises lining 115 and buffering material 117, and padded coaming 117 is layered under the lining 115 and has sensation of softness.
Conventional method as shaping matrix material 111 and ornament materials 113, the lining of making by fabric 115 and be bonded on the coating material 119 by the padded coaming 117 that polyurethane foam is made, coating material 119 is made by injection molded acrylonitrile-butadiene-styrene (ABS) (ABS) resin and solvent-borne type binding agent (not shown), thus in independent manufacturing process shaping ornament materials 113.Then, utilize screw or clip that ornament materials 113 is contained on the matrix material 111.
But this independent ornament materials is to make in independent manufacturing process, is assembled on the matrix material in packaging technology then, thereby makes the forming technology of vehicle interior element complicated.Particularly, as illustrated in Figures 5 and 6,, existence gains in weight and condition of cost thereby being increased to coating material 119 on the ornament materials 113.And, use the solvent-borne type binding agent that padded coaming 117 is bonded on the coating material 119, thereby make the vehicle interior parts have the smell of organic matter solvent, and when padded coaming 117 when coating material 119 comes off, perhaps when having fold in padded coaming 117 and the coating material 119, can not reuse coating material 119.
On the other hand, as the manufacturing process of another kind of vehicle interior parts, as shown in Figure 7, matrix material 111 is formed with groove.Use this structure, the solvent-borne type binding agent is coated in the surface of matrix material 111, ornament materials 113 temporary bondings that then will cutting in the insertion portion insertion groove with ornament materials 113, thereby form outward appearance to matrix material 111.That is, as shown in Figure 8, the local land with prime treatment matrix material 111 is used to receive ornament materials 113 and have special shape herein, dry at normal temperatures then priming paint.Then, apply the solvent-borne type binding agent in the local land of matrix material 111, and with the preheating of local land.Then, the matrix material 111 of preheating is placed on the bed die of extruder, the ornament materials 113 of cutting is placed on the local land that scribbles the solvent-borne type binding agent in advance.Then, to matrix material 111 and ornament materials 113 pressurizations, make them together adhered to one another and the insertion portion of ornament materials 113 injected in the groove 121 with the mold of extruder.
But, some problems below conventional method exists, be that this ornament materials 113 needs accurately cutting, when the insertion portion of ornament materials 113 is difficult to obtain the vehicle interior parts of satisfactory outward appearance in short-term than the degree of depth of groove 121, and when going out of use, the vehicle interior parts can not reuse matrix material 111.And, owing to used the solvent-borne type binding agent, working under hard conditions, matrix material 111 is owing to the dispersion and the pollution of binding agent go out of use, and the course of work is complicated, and binding agent produces bad smell at vehicle interior.Particularly, when matrix material is made by polypropylene injection molded thing, be difficult to common organic solvent type adhesive coated on polypropylene injection molded thing, thereby before being coated in the organic solvent type binding agent on the matrix material, need to use the prime treatment matrix material.Therefore, the course of work is complicated, thereby has increased product cost.
Like this, in traditional manufacturing process of above-mentioned vehicle interior parts, need following process: priming paint is coated on the matrix material, the dried base material, with the organic solvent type adhesive coated on matrix material, and the dried base material, thereby whole manufacturing process is complicated and need considerable time to produce the vehicle interior parts, thus reduced productivity ratio.
And in conventional method, ornament materials comprises coating material separately, thereby has increased weight and cost.
And, type binding agent with an organic solvent in conventional method, thus work under hard conditions, and binding agent produces bad smell at vehicle interior.
Summary of the invention
Therefore, one aspect of the present invention provides a kind of manufacturing process of vehicle interior parts, thereby simplified manufacturing technique reduces weight and cost, and improves working conditions.
Other aspects of the present invention and/or advantage are illustrated in the description that a part will provide below, and a part will obviously be found out from describe, and perhaps can know from the practice of the present invention.
Above-mentioned and/or others of the present invention realize that by a kind of manufacturing process of the vehicle interior parts of matrix material and ornament materials that comprises is provided this method comprises: mold and bed die are provided, the two each other can near with separate; Hot-melt adhesive is laminated to layer by layer the surface of ornament materials; Matrix material is placed on mold or the bed die; Ornament materials is placed on the matrix material, makes the hot-melt adhesive layer towards substrate material surface; And by using steam-melting hot-melt adhesive layer that ornament materials is bonded on the matrix material.
According to an aspect of the present invention, the hot-melt adhesive layer comprises a kind of in sex change polyamide, sex change polyurethane and the sex change polyester.
According to an aspect of the present invention, the thickness of hot-melt adhesive layer is 10 μ m～100 μ m.
Description of drawings
In conjunction with the accompanying drawings, and with reference to the description of following examples, these and others of the present invention and advantage will become clear and easier to understand more.In the accompanying drawings:
Fig. 1 to 3 is the cutaway views according to the vehicle interior parts of embodiment of the invention shaping;
Fig. 4 is the cutaway view of explanation according to the manufacturing process of the embodiment of the invention;
Fig. 5 to 7 is cutaway views of exemplary expression conventional vehicles internal part;
Fig. 8 is the process frame chart of expression shaping conventional vehicles internal part.
The specific embodiment
To describe embodiments of the invention in detail below, the example is illustrated in the drawings, and reference numerals identical among the figure is represented identical parts.Describing embodiment below with reference to accompanying drawing is in order to explain the present invention.
The vehicle interior parts that Fig. 1 to 3 expression is shaped according to the embodiment of the invention.As shown in the figure, vehicle interior parts 10 comprise matrix material 11 and ornament materials 13, the outward appearance that ornament materials 13 is positioned at matrix material 11 surfaces and decorates matrix material 11.
According to an aspect of the present invention, lining 15 is made by polyester textile, and its thickness is 1mm～5mm and has gas permeability.
According to an aspect of the present invention, padded coaming 17 has soft feel and is made by polyester non-woven, polypropylene adhesive-bonded fabric, polyurethane foam, polypropylene foam or polyethylene.
According to an aspect of the present invention, hot-melt adhesive layer 19 is made by polyamide, polyurethane or polyester, and it is that thickness is film or the web frame of 10 μ m～100 μ m.And the stacked of the lining 15 of ornament materials 13 and hot-melt adhesive layer 19 is stacked by flame stacked (flame lamination) or hot-rolling.Opposite with the organic solvent type binding agent, hot-melt adhesive does not contain the volatile organic content that produces bad smell, has reduced the toxic gas of generation when ornament materials 13 is bonded on the matrix material 11, thereby has improved condition of work.
Fig. 4 represent to be shaped according to an embodiment of the invention die device of vehicle interior parts.As shown in the figure, die device 20 comprises bed die 21 and mold 31, the two can near with separate.
Bed die 21 and mold 31 are connected to (not shown) on the extruder, and the surface configuration of bed die 21 is corresponding to the local land of matrix material 11.
The outer wall of mold 31 has transplants a cutting 33, and its shape is corresponding to the groove of matrix material 11.Mold 31 inner steam channel and the vacuum passages of forming, steam channel is used for the surface supply steam by mold 31, and vacuum passage is used to remove the water of condensation and the land of cooling off matrix material 11 and ornament materials 13.In steam channel, steam flows into by steam inlet 35, and steam inlet 35 is positioned on the outer wall of mold 31 and has valve 37; And order goes out from mold 31 lip-deep a plurality of orifice flows with vertical steam channel 41 by horizontal steam channel 39, and wherein horizontal steam channel 39 is positioned at the top of mold 31, and vertically steam channel 41 and horizontal steam channel 39 are vertical and communicate with the hole.And, in vacuum passage, by a plurality of holes that form on the top mold surface condensed water and latent heat are sucked, and sequentially be discharged to vacuum draw mouth 43 by vertical steam channel 41 and horizontal steam channel 39, vacuum draw mouth 43 is positioned at the outer wall of mold 31 and has valve 45.
Here, reference numerals 47 expression is used for the groove of local combination, is that the insertion portion along matrix material 11 and ornament materials 13 forms.
The method of using die device 20 shaping vehicle interior parts according to one embodiment of present invention will be described below.
At first, under mold 31 and bed die 21 state separated from one another, matrix material 11 is put on the bed die 21.
Then, the ornament materials 13 with cutting is placed on the matrix material 11.At this moment, the surface of the hot-melt adhesive layer 19 contact matrix material 11 of ornament materials 13.
Then, mold 31 moves downward and pushes down matrix material 11 and ornament materials 13.At this moment, the cutting 33 on the mold 31 on the relative wall also moves downward, in the insertion portion insertion groove 47 with ornament materials 13.
Then, steam flows into by the steam inlet in the mold 31 35.Here, vapor stream is crossed the steam channel that comprises steam inlet 35, horizontal steam channel 39 and vertical steam channel 41, a plurality of holes ejection that forms from mold 31 surfaces.Spray the ornament materials 13 that vapour transmission is made by the fabric of gas permeability, and will be layered in hot-melt adhesive layer 19 fusing on the ornament materials 13, thus ornament materials 13 is bonded on the matrix material 11.At this moment, be sucked and be discharged to vacuum draw mouth 43 at the condensed water and the air in steam channel of vertical steam channel 41 bottom condensations, thereby remove the steam in condensed water and the cooling steam passage.
Having finished matrix material 11 like this combines with part between the ornament materials 13.
To describe embodiments of the invention in detail below.
Embodiment 1
Door gadget matrix material 11 is placed on the bed die 21, then ornament materials 13 is placed on the gadget matrix material 11, hot-melt adhesive film 19 is contacted with door gadget matrix material 11.Then, mold 31 moves downward and contacts the lining 15 of ornament materials 13, makes to transplant a cutting in 35 the insertion portion insertion grooves 47 with ornament materials 13.Then, with 160 ℃ of (5.2kg/m
3) steam spray into steam inlet 35 and kept 10 seconds, and the ornament materials 13 of infiltration, thereby adhesion ground fusing hot-melt film 19 with gas permeability.Then, steam off, and,, thereby finish local combination so that remove remaining condensed water and cooling steam passage by 43 pairs of steam channel suctions of vacuum draw mouth 20 seconds.
According to the 12nd section peeling strength test (180 degree separate) among the JIS K 6829 binding agent of the vehicles " test " (" Adhesive Test for Vehicle "), detect the sample of making according to embodiment 1.As a result, the sample of making according to embodiment 1 has gratifying adhesion strength 2.1kg/25mm, and all are normal in heat-resisting cyclic test.Here, heat-resisting cyclic test is as follows: 100 ℃ * 3h (heat-resistant time) → normal temperature * 1h → 40 ℃ * 1h (cold-resistant time) → normal temperature * 1h → 80 ℃ * 3h (moisture resistance time, relative humidity 95%) → normal temperature * 1h, this is called a circulation.In embodiment 1, sample test three circulations.
Embodiment 2
According to the method perparation of specimen identical with embodiment 1, but padded coaming 17 is made by polyurethane (PU) foam rather than PET adhesive-bonded fabric, matrix material 11 is to be made by polyvinyl chloride of softness (PVC) rather than polypropylene (PP) injection molded thing, and hot-melt adhesive layer 19 is made by polyurethane rather than sex change polyamide (PA).In embodiment 2, the adhesion strength of testing the sample that obtains by peeling strength is 1.8kg/25mm, and all are normal in heat-resisting cyclic test.
As mentioned above, according to the present invention, hot-melt adhesive is placed between matrix material and the ornament materials, and uses steam adhesion fusing, matrix material is bonded on the ornament materials, thereby has reduced the weight and the cost of vehicle interior parts.And opposite with the organic solvent type binding agent, hot-melt adhesive does not contain the volatile organic content that produces bad smell, has therefore improved condition of work.
On the other hand, in the above-described embodiments, matrix material is placed on the bed die, but also can be placed on the mold.
As mentioned above, the invention provides a kind of manufacturing process of vehicle interior parts, thereby simplified manufacturing technique reduces its weight and cost, and improves working conditions.
Though illustrate and described several embodiments of the present invention, but one of ordinary skill in the art it should be understood that, can make a change these embodiment under the condition that does not depart from the principle of the invention and spirit, scope of the present invention is limited by appended claim and equivalents thereof.
Claims (3)
1. manufacturing process that comprises the vehicle interior parts of matrix material and ornament materials, this method comprises:
Mold and bed die are provided, the two each other can near with separate;
Hot-melt adhesive is laminated to layer by layer the surface of ornament materials;
Matrix material is placed on mold or the bed die;
Ornament materials is placed on the matrix material, makes the hot-melt adhesive layer towards substrate material surface; And
By using steam-melting hot-melt adhesive layer that ornament materials is bonded on the matrix material.
2. the method for claim 1, wherein the hot-melt adhesive layer comprises a kind of in sex change polyamide, sex change polyurethane and the sex change polyester.
3. method as claimed in claim 2, wherein the thickness of hot-melt adhesive layer is 10 μ m～100 μ m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410003143 CN1651226A (en) | 2004-02-06 | 2004-02-06 | Method for forming internal parts of transportation means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410003143 CN1651226A (en) | 2004-02-06 | 2004-02-06 | Method for forming internal parts of transportation means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1651226A true CN1651226A (en) | 2005-08-10 |
Family
ID=34867541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410003143 Pending CN1651226A (en) | 2004-02-06 | 2004-02-06 | Method for forming internal parts of transportation means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1651226A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103395199A (en) * | 2013-06-25 | 2013-11-20 | 延锋伟世通(北京)汽车饰件系统有限公司 | Edge wrapping method of surface skin for decorative plates and surface skin structure |
-
2004
- 2004-02-06 CN CN 200410003143 patent/CN1651226A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103395199A (en) * | 2013-06-25 | 2013-11-20 | 延锋伟世通(北京)汽车饰件系统有限公司 | Edge wrapping method of surface skin for decorative plates and surface skin structure |
| CN103395199B (en) * | 2013-06-25 | 2016-07-20 | 延锋伟世通(北京)汽车饰件系统有限公司 | The Wrapping method of decorative panel epidermis and epidermal structure |
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