CN108357053A - A kind of fibre reinforced plastics interior trim injection molding technique - Google Patents
A kind of fibre reinforced plastics interior trim injection molding technique Download PDFInfo
- Publication number
- CN108357053A CN108357053A CN201810366600.8A CN201810366600A CN108357053A CN 108357053 A CN108357053 A CN 108357053A CN 201810366600 A CN201810366600 A CN 201810366600A CN 108357053 A CN108357053 A CN 108357053A
- Authority
- CN
- China
- Prior art keywords
- film
- injection molding
- interior trim
- molded
- fibre reinforced
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14065—Positioning or centering articles in the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/1418—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being deformed or preformed, e.g. by the injection pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/06—Fibrous reinforcements only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14065—Positioning or centering articles in the mould
- B29C2045/14155—Positioning or centering articles in the mould using vacuum or suction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/1418—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being deformed or preformed, e.g. by the injection pressure
- B29C2045/14237—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being deformed or preformed, e.g. by the injection pressure the inserts being deformed or preformed outside the mould or mould cavity
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of fibre reinforced plastics interior trim injection molding techniques, include the following steps：According to the modelling pattern needed for manufactured goods incrustation, carries out typographical printing and make film；Film after printing is carried out to UV solidifications, hot-forming and cut successively；By the various doses of plastics for being molded manufacture manufactured goods, melted in blending equipment；Fiber is added in the injection-moulded plastic of thawing, carries out extruding pelletization after mixing；Before mold clamping, it will be molded and the film cut be put into mold cavity, vacuum suction positioning；After mold clamping, the material grain for the injection-moulded plastic for being added to fiber is molded into mold cavity, is after cooling molded mold.The quality and dicoration for improving fibre-inforced plastic parts molded surface meet the performance enhancement of plastic products, the requirement of incrustation and environmental protection.
Description
Technical field
The present invention relates to field of automobile, and in particular to a kind of fibre reinforced plastics interior trim injection moulding work
Skill.
Background technology
In the manufacturing field of automobile interior exterior decorations, safety, lightweight, dicoration and the feature of environmental protection are current automobile industries
Trend.In order to realize that this target, the novel environment friendlies surface decoration tech such as in-mold decoration start to occur, the rings such as natural fiber enhancing
Lightweight production method is protected to also begin to apply.
A kind of existing technology is Inset decoration injection molding technique.The technological process includes：Sheet material selects, and design is made
Type pattern makes film；Film is subjected to hot pressing according to product shape, is cut；Film after molding is put into cavity, using true
The attached positioning of suction；Molding, is molded, sheet material and moulding are combined as a whole；Cooling die sinking, takes out product.In-mold decoration is noted
Injection molding, decoration integrated and can make a variety of different pattern effects, great decoration may be implemented in modeling moulding process
Property and functionality, but the technology the problem is that：Product weight is increased, 0.1-2mm film layers are increased；It is molded when injection molding
When, since film and ink high temperature resistant time are short, need high temperature and pressure to be molded, but high temperature and pressure can lead to red ink, can also increase
To the impact force of sheet material, lead to film displacement and red ink.
Existing another technology is fibre reinforced plastics injection molding process.The technological process is：Metering is first passed around to increase
The fibre length and ratio that strong plastics use；Then by fiber and the plastics of melting in blending extrusion equipment extruding pelletization, then
Material grain is subjected to injection molding, forms fibre-reinforced plastic product.The technique can make the various mechanical properties of moulding
Enhancing, it might even be possible to steel compare favourably, the also great environment-friendly type of use of natural fiber, but the technique the problem is that：Because of note
Lead to moulding appearance surfaces out-of-flatness containing fiber in modeling melt body, influences the beauty of product, it is impossible to be used in appearance member.
According to the above, Inset decoration injection molding technique and FRP molded technique exist respective excellent
Gesture and shortcoming, therefore it is that have must to provide a kind of injection molding technique strengthened function and be integrated with incrustation function that has both
It wants.
Invention content
The technical problem to be solved by the present invention is in view of the foregoing defects the prior art has, provide a kind of fiber increasing
Strong plastics in-mold decoration injection molding technique, improves the quality and dicoration of fibre-inforced plastic parts molded surface, meets
The performance enhancement of plastic products, the requirement of incrustation and environmental protection.
Used technical solution is the present invention to solve above-mentioned technical problem：
A kind of fibre reinforced plastics interior trim injection molding technique, includes the following steps：
1) modelling pattern needed for manufactured goods incrustation carries out typographical printing and makes film；
2) film after printing is carried out to UV solidifications, hot-forming and cut successively；
3) by the various doses of plastics for being molded manufacture manufactured goods, melted in blending equipment；
4) fiber is added in the injection-moulded plastic of thawing, carries out extruding pelletization after mixing；
5) before mold clamping, it will be molded and the film cut be put into mold cavity, vacuum suction positioning；
6) after mold clamping, the material grain for the injection-moulded plastic for being added to fiber is molded into mold cavity, after cooling will
Mold molds.
According to above-mentioned technical proposal, the material of the film is PMMA or PET plastic sheet material.
According to above-mentioned technical proposal, in the step 1), film is made by offset printing.
According to above-mentioned technical proposal, in the step 3), according to the formula of injection-moulded plastic, using mass method matching system
Accurately control the amounts of components of various doses of plastics.
According to above-mentioned technical proposal, in the step 4), before the injection-moulded plastic that fiber is added to thawing, by fiber
It is cut into certain length.
According to above-mentioned technical proposal, the fibre length is 6mm~25mm or 1mm~3mm.
According to above-mentioned technical proposal, the material layer of the film include the UV hardened layers being distributed in sequence from the outside to the inside, thoroughly
Bright film layer, color pattern layer, adhesive layer and plastic rubber substrate layer.
The invention has the advantages that：
By the way that film is attached to products appearance face, product depanning, the fibre reinforced plastics interior trim is molded into
The incrustation of plastic products and fiber reinforcement technique are combined together by type technique, improve fibre-inforced plastic parts molding table
The quality and dicoration in face meet the performance enhancement of plastic products, the requirement of incrustation and environmental protection, surface can be achieved at the same time
The production of decoration functions and the efficient plastics products strengthened function, production efficiency is high and process is environmentally friendly.
Description of the drawings
Fig. 1 is the schematic cross-section of film in the embodiment of the present invention；
Fig. 2 is the schematic diagram of film forming in the embodiment of the present invention；
Fig. 3 is the schematic diagram of film trimming in the embodiment of the present invention；
Fig. 4 is the schematic diagram in film insertion mold cavity in the embodiment of the present invention；
Fig. 5 is in the embodiment of the present invention to the schematic diagram of the mold injection after molding；
Fig. 6 is the schematic diagram that manufactured goods are removed from the molds in the embodiment of the present invention；
Fig. 7 is the flow diagram of fibre reinforced plastics interior trim injection molding technique in the embodiment of the present invention；
In figure, 1- heat pressing and molding molds, 2- sheet materials, 3- die cutting dies, 4- injecting molding die cavitys, 5- manipulators, 6-
The convex chamber of injecting molding die, 7- inject duct, 8- thimbles, 9- manufactured goods, 10-UV hardened layers, 11- transparent thin film layers, 12- colors
Pattern layer, 13- adhesive layers, 14- plastic rubber substrate layers.
Specific implementation mode
The present invention is described in detail with reference to the accompanying drawings and examples.
Shown in referring to Fig.1~Fig. 7, the fibre reinforced plastics interior trim in one embodiment provided by the invention is injected into
Type technique, includes the following steps：
1) modelling pattern needed for 9 incrustation of manufactured goods carries out typographical printing and makes film；
2) film after printing is subjected to UV solidifications, hot-forming and cut successively according to the shape of manufactured goods 9；
3) by the various doses of plastics for being molded manufacture manufactured goods 9, melted in the blending equipment of extrusion, formed
Injection-moulded plastic；
4) fiber is added in the injection-moulded plastic of thawing, carries out extruding pelletization after mixing；
5) before mold clamping, it will be molded and the film cut be put into mold cavity, vacuum suction positioning；
6) after mold clamping, the material grain for the injection-moulded plastic for being added to fiber is molded into mold cavity, after cooling will
Mold molds.
By the way that film is attached to products appearance face, product depanning, the fibre reinforced plastics interior trim is molded into
The incrustation of plastic products and fiber reinforcement technique are combined together by type technique, improve fibre-inforced plastic parts molding table
The quality and dicoration in face meet the performance enhancement of plastic products, the requirement of incrustation and environmental protection.
Further, the material of the film is PMMA or PET plastic sheet material 2.
Further, in the step 1), film is made by offset printing.
Further, in the step 2), UV solidifications are ultra-violet curing, and keep film hot by heat pressing and molding mold 1
It is molded.
Further, in the step 2), film is cut by die cutting die 3.
Further, it in the step 3), according to the formula of injection-moulded plastic, is accurately controlled using mass method matching system
The amounts of components of various dispensings.
Further, in the step 4), before the injection-moulded plastic that fiber is added to thawing, according to manufactured goods 9
Enhancing requires fiber being cut into certain length.
Further, the step 5) and 6) in, the mold is injecting molding die, including note positioned opposite
Penetrate molding die cavity 4 and the convex chamber 6 of injecting molding die, the convex chamber of injecting molding die 6 is connected with injection duct 7, for being molded.
Further, in the step 6), the material grain for the injection-moulded plastic for being added to fiber is molded into mold cavity,
After cooling by the detailed process of mold die sinking, injection-moulded plastic is injected to the cavity of injecting molding die by injecting duct 7
It is interior, after band is cooling, manufactured goods 9 are ejected from injecting molding die by thimble 8, and taken manufactured goods 9 by manipulator 5
Go out.
Further, the fibre length is 6mm~25mm or 1mm~3mm.
Further, the material layer of the film includes UV hardened layers 10, the transparent membrane being distributed in sequence from the outside to the inside
Layer 11, color pattern layer 12, adhesive layer 13 and plastic rubber substrate layer 14.
Further, the plastic tab of the material of plastic rubber substrate layer 14 and the material identical of injection molding or similar performance.
Further, the material of main part of manufactured goods 9 is fiber reinforcement injection molding reinforcer.
The operation principle of the present invention：
A kind of fibre reinforced plastics interior trim injection molding technique, includes the following steps：
1) selection：Prepare polyester sheet 2；
2) it prints：Sheet material 2 is subjected to offset printing again；
3) cure：The sheet material 2 printed is sent into UV curing ovens and is cured；
4) hot pressing：The sheet material 2 made is sent into hot press and carries out hot-forming processing；
5) it cuts：According to the good sheet material 2 of the big wisp hot pressing of product required size is carried out with cut-off knife；
6) it shears：Fiber used is cut into certain length；
7) it is blended：The fiber sheared is blended with plastics melt；
8) positioning in mould：With manipulator 5 by the dynamic such as cavity of hot-forming film, positioned by vacuum suction；
9) it is molded：It is molded after molding.
10) depanning：Product is taken out in depanning after cooling, and film is as surface adhesion and fiber reinforcement accessory appearance face；
In conclusion a kind of fibre reinforced plastics interior trim injection molding technique provided by the invention is led compared with previous
There is following innovation point：
1), in-mould injection moulding process is used for fiber reinforcement injection molding process by the present invention, improves fibre reinforced plastics
Product shapes surface quality and dicoration, and fiber reinforcement injection molding part is made to be directly used in forming looking products.
2) fiber reinforcement component is used as to the main frame of in-mold decoration moulding, enhances each of in-mold decoration moulding
Kind mechanical property so that appearance part has excellent mechanical property, can replace certain to the higher appearance of mechanical property requirements
Part, such as vehicle front bumper arrangement.
3) use in-mold decoration forming technology, pattern is directly printed on film, design can change at any time without
More mold exchange, flexible design fast implement product diversification at lower cost.
4) film uses UV hardened layers 10, transparent thin film layer 11, color pattern layer 12, adhesive layer 13 and plastic rubber substrate layer 14
Structure, due in injection moulding process plastic rubber substrate layer directly and injection molding melt body contact prevent fiber to the washing away of pattern, pierce from
And prevent red ink phenomenon.
5) environmentally friendly, entire technical process does not generate pollution substantially, meets environmental requirement.
Above is only presently preferred embodiments of the present invention, and of course, the scope of rights of the present invention cannot be limited by this,
Therefore according to equivalence changes made by scope of the present invention patent, still belong to protection scope of the present invention.
Claims (7)
1. a kind of fibre reinforced plastics interior trim injection molding technique, which is characterized in that include the following steps：
1) modelling pattern needed for manufactured goods incrustation carries out typographical printing and makes film；
2) film after printing is carried out to UV solidifications, hot-forming and cut successively；
3) by the various doses of plastics for being molded manufacture manufactured goods, melted in blending equipment；
4) fiber is added in the injection-moulded plastic of thawing, carries out extruding pelletization after mixing；
5) before mold clamping, it will be molded and the film cut be put into mold cavity, vacuum suction positioning；
6) after mold clamping, the material grain for the injection-moulded plastic for being added to fiber is molded into mold cavity, after cooling by mold
Die sinking.
2. fibre reinforced plastics interior trim injection molding technique according to claim 1, which is characterized in that described is thin
The material of film is PMMA or PET plastic sheet material.
3. fibre reinforced plastics interior trim injection molding technique according to claim 1, which is characterized in that the step
It is rapid 1) in, film is made by offset printing.
4. fibre reinforced plastics interior trim injection molding technique according to claim 1, which is characterized in that the step
It is rapid 3) in, according to the formula of injection-moulded plastic, the amounts of components of various doses of plastics is accurately controlled using mass method matching system.
5. fibre reinforced plastics interior trim injection molding technique according to claim 1, which is characterized in that the step
It is rapid 4) in, before the injection-moulded plastic that fiber is added to thawing, fiber is cut into certain length.
6. fibre reinforced plastics interior trim injection molding technique according to claim 5, which is characterized in that the fibre
Dimension length is 6mm~25mm or 1mm~3mm.
7. fibre reinforced plastics interior trim injection molding technique according to claim 1, which is characterized in that described is thin
The material layer of film includes the UV hardened layers being distributed in sequence from the outside to the inside, transparent thin film layer, color pattern layer, adhesive layer and plastic cement base
Material layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810366600.8A CN108357053A (en) | 2018-04-23 | 2018-04-23 | A kind of fibre reinforced plastics interior trim injection molding technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810366600.8A CN108357053A (en) | 2018-04-23 | 2018-04-23 | A kind of fibre reinforced plastics interior trim injection molding technique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108357053A true CN108357053A (en) | 2018-08-03 |
Family
ID=63009452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810366600.8A Pending CN108357053A (en) | 2018-04-23 | 2018-04-23 | A kind of fibre reinforced plastics interior trim injection molding technique |
Country Status (1)
| Country | Link |
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| CN (1) | CN108357053A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109366864A (en) * | 2018-12-20 | 2019-02-22 | 温岭市航帆塑业有限公司 | The labeling device in mould and its method of special-shaped injection pressure plastic |
| CN111745885A (en) * | 2020-06-09 | 2020-10-09 | 宁波劳伦斯汽车内饰件有限公司 | Light transmission process of double-color injection molding film decorative part |
| CN113696504A (en) * | 2020-05-22 | 2021-11-26 | 汉达精密电子(昆山)有限公司 | Method for manufacturing notebook computer shell and product thereof |
| CN114953101A (en) * | 2021-02-22 | 2022-08-30 | 杭州中好东峻科技有限公司 | Ceramic-based manufacturing process of communication filter |
| CN114953495A (en) * | 2022-04-14 | 2022-08-30 | 进顺汽车零部件如皋有限公司 | Integral film-coating electroplating process for automotive interior trim parts |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101104301A (en) * | 2006-07-13 | 2008-01-16 | 上海举烛复合塑料有限公司 | Technology for preparing in-mould ornament |
| CN101987523A (en) * | 2009-07-31 | 2011-03-23 | 康准电子科技（昆山）有限公司 | Composite material product and forming method thereof |
-
2018
- 2018-04-23 CN CN201810366600.8A patent/CN108357053A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101104301A (en) * | 2006-07-13 | 2008-01-16 | 上海举烛复合塑料有限公司 | Technology for preparing in-mould ornament |
| CN101987523A (en) * | 2009-07-31 | 2011-03-23 | 康准电子科技（昆山）有限公司 | Composite material product and forming method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109366864A (en) * | 2018-12-20 | 2019-02-22 | 温岭市航帆塑业有限公司 | The labeling device in mould and its method of special-shaped injection pressure plastic |
| CN113696504A (en) * | 2020-05-22 | 2021-11-26 | 汉达精密电子(昆山)有限公司 | Method for manufacturing notebook computer shell and product thereof |
| CN111745885A (en) * | 2020-06-09 | 2020-10-09 | 宁波劳伦斯汽车内饰件有限公司 | Light transmission process of double-color injection molding film decorative part |
| CN114953101A (en) * | 2021-02-22 | 2022-08-30 | 杭州中好东峻科技有限公司 | Ceramic-based manufacturing process of communication filter |
| CN114953495A (en) * | 2022-04-14 | 2022-08-30 | 进顺汽车零部件如皋有限公司 | Integral film-coating electroplating process for automotive interior trim parts |
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Application publication date: 20180803 |
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