CN104209460A - V-process casting soaking film-forming method - Google Patents
V-process casting soaking film-forming method Download PDFInfo
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- CN104209460A CN104209460A CN201310224718.4A CN201310224718A CN104209460A CN 104209460 A CN104209460 A CN 104209460A CN 201310224718 A CN201310224718 A CN 201310224718A CN 104209460 A CN104209460 A CN 104209460A
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- casting
- coating liquid
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- liquid
- forming method
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Abstract
The invention discloses a V-process casting soaking film-forming method, belongs to the field of V-process casting plastic covering, and aims to solve the problems of broken membrane, crosslinking, and tedious technology in the production of covering in complicate moulds. The provided soaking film-forming method comprises the following steps: making solid EVA plastic into liquid EVA plastic (namely the coating liquid) with different solubilities, soaking a casting model into the coating liquid, lifting out the casting model when the surface of the casting model is completely wetted, and volatilizing the solvent in the coating liquid so as to form a solid EVA plastic film on the casting model surface; and the method has the advantages of no phenomenon of broken membrane and crosslinking, and simple and reliable technology.
Description
Technical field
The present invention relates to V method casting field, particularly plastic sheeting forming method.
Background technology
Current V sends out the shaping aspect of cast films, this several method nearly, and 1, use EVA covered rearing with plastic film in apperance, heating or be not heated by vacuum forming; 2, spray in apperance with powdex and heat film forming; 3, cellulose solution is sprayed in apperance, solvent volatilization film forming; When covered with plastic film in the apperance of complexity, as rupture of membranes, bridging phenomenon can be produced by the way of above-mentioned (1), not easily evenly, easily cause seal poor by the method film forming of above-mentioned (2), (3), and complex technical process, labour intensity are large.
Summary of the invention
The object of the present invention is to provide and a kind of soak film build method, the problem such as produce rupture of membranes, bridging to solve overlay film in intricate casting apperance, sealing is poor, complex technical process, labour intensity are large.
The present invention will solve the problems of the technologies described above taked technical scheme and be achieved in that the liquid EVA plastics (hereinafter referred to as coating liquid) of solid-state EVA plastics being made different solubility, casting form is inserted coating liquid to soak, then take out, casting form is just evenly stained with one deck coating liquid, by the solvent volatilization in EVA plastic coat liquid, casting form top layer just forms the solid-state EVA plastic sheeting of one deck.
Advantage of the present invention is: (1) casting form film forming, to the no requirement (NR) of EVA plastics extensibility, does not exist rupture of membranes, Tower Bridge phenomenon.
(2) casting form soaks the even work step of film forming simply, is easy to operation.
(3) film forming thickness can arbitrarily be configured by the solubility of coating liquid and control, and applicability is wide.
Accompanying drawing explanation
Fig. 1: (1) apperance frame (2) casting form (3) liquid EVA plastics (coating liquid) (4) liquid holding box
Fig. 2: immersion process
Fig. 3: (5) solid-state EVA plastic foil
Specific implementation method
Be further described below in conjunction with accompanying drawing and specific implementation method:
Immersion membrane formation process of the present invention is: be made up of apperance frame (1), casting form (2), liquid EVA plastics (coating liquid) (3), liquid holding box (4), solid-state EVA plastics are made liquid EVA plastics and the coating liquid (3) of different solubility, loaded liquid holding box (4) inner, casting form (2) is fastened on apperance frame (1) and refers to Fig. 1; Make casting form (2) insertion liquid holding box (4) inner coating liquid (3) carry out immersion apperance frame (1) upset and refer to Fig. 2; Extract when casting form (2) surface is drenched, leave standstill, Inversion Recovery, to be volatilized by solvent inner for coating liquid (3), casting form surface just defines the solid-state EVA plastic sheeting (5) of one deck and refers to Fig. 3.
Above-mentionedly obtain immersion membrane formation process of the present invention, owing to employing coating liquid, requirement is not existed to film extensibility, be therefore specially adapted to the overlay film of intricate casting apperance; As long as film forming procedure is drenched just can ensure sealing, therefore soaks very thin rete and just can ensure fine sealing, and technique simply, be easy to operate.
Claims (2)
1. membrane formation process is soaked in V method casting of the present invention, be made up of coating liquid (3), casting form (2), apperance frame (1), liquid holding box (4), its feature: be that casting form (2) inserts the inner coating liquid (3) of liquid holding box (4), casting form (2) surface is made to drench, then extract, solvent inner for the coating liquid (3) on casting form (2) surface has been volatilized, casting form (2) just defines the solid-state EVA plastic sheeting of one deck again.
2. the casting of V method soaks membrane formation process, its feature: the coating liquid (3) being different solubility according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310224718.4A CN104209460A (en) | 2013-06-02 | 2013-06-02 | V-process casting soaking film-forming method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310224718.4A CN104209460A (en) | 2013-06-02 | 2013-06-02 | V-process casting soaking film-forming method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104209460A true CN104209460A (en) | 2014-12-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310224718.4A Pending CN104209460A (en) | 2013-06-02 | 2013-06-02 | V-process casting soaking film-forming method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104209460A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1485852A (en) * | 1973-10-19 | 1977-09-14 | Wittmoser A | Production of casting moulds |
| JPS5331522A (en) * | 1976-09-07 | 1978-03-24 | Ebara Mfg | Method to manufacture casting mould |
| CN101954445A (en) * | 2010-09-27 | 2011-01-26 | 华中科技大学 | Foam pattern surface film forming method for lost foam casting |
| CN102672104A (en) * | 2012-05-29 | 2012-09-19 | 刘翔 | Precision casting method for pouring evanescent mold through high-performance coating foam and mold laminating paraffin |
-
2013
- 2013-06-02 CN CN201310224718.4A patent/CN104209460A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1485852A (en) * | 1973-10-19 | 1977-09-14 | Wittmoser A | Production of casting moulds |
| JPS5331522A (en) * | 1976-09-07 | 1978-03-24 | Ebara Mfg | Method to manufacture casting mould |
| CN101954445A (en) * | 2010-09-27 | 2011-01-26 | 华中科技大学 | Foam pattern surface film forming method for lost foam casting |
| CN102672104A (en) * | 2012-05-29 | 2012-09-19 | 刘翔 | Precision casting method for pouring evanescent mold through high-performance coating foam and mold laminating paraffin |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20141217 |
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| WD01 | Invention patent application deemed withdrawn after publication |