CN107042605A - The preparation method of thermoplastic composite product and its corresponding product - Google Patents
The preparation method of thermoplastic composite product and its corresponding product Download PDFInfo
- Publication number
- CN107042605A CN107042605A CN201610082211.3A CN201610082211A CN107042605A CN 107042605 A CN107042605 A CN 107042605A CN 201610082211 A CN201610082211 A CN 201610082211A CN 107042605 A CN107042605 A CN 107042605A
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- preparation
- product
- thermoplastic composite
- composite product
- injection mold
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Classifications
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- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention belongs to the making field of thermoplastic composite product, and the preparation method and its corresponding product of more particularly to a kind of thermoplastic composite product.The preparation method of the thermoplastic composite product, it comprises the following steps：Thermoplastic Laminates are cut according to shape of product；Sheet material after cutting carries out infrared heating；Steam is passed through to heat injection mold；Sheet material after infrared heating is inserted in injection mold and positioned；Injection mould closing enters horizontal high voltage pressing, and the sheet material after infrared heating is pressed into 3D shapes, and injection moulding plastic contoured members；Steam off, is passed through cooling water cooling injection mold, and product is taken out in die sinking after cooling.The product that the product is produced after being made for the preparation method through above-mentioned thermoplastic composite product.Preparation method of thermoplastic composite product and products thereof of the present invention, can solve the problem that two molds of needs, cost are high, molding cycle length, the problem of efficiency is low.
Description
【Technical field】
The invention belongs to the making field of thermoplastic composite product, and more particularly to a kind of thermoplasticity is multiple
The preparation method of composite product and its corresponding product.
【Background technology】
As the electronics such as notebook computer, tablet personal computer, mobile phone, camera, portable information terminal equipment are produced
The development of product, in the market is strongly required to develop slim and lightweight product.Frivolous product can constitute product
Shell or internal part thin-walled, high intensity and high rigidity are it is also desirable to have while product requirement is frivolous.
Thermoplastic composite have light weight, specific strength and specific modulus height, resist chemical, endurance,
The advantages of being easy to global formation, is widely used in making on the products such as military project, Aero-Space.Due to thermoplastic
The excellent mechanical property of property composite, thus can also be widely used in notebook computer, tablet personal computer,
In the electronic electric equipments such as portable phone, portable terminal or camera, the shell of information equipment, play
Make shell thin-walled property, mitigate the effect such as weight of equipment.
At present, using plastic composite board material shaped article, put after generally first plastic composite board material is cut
Required shape is pressed into hot pressing die, injection molding in injection mold is placed into.However, above-mentioned shaping
The shortcoming of technique is：The whole processing procedure that product is realized needs to press and two programs of injection molding, two molds,
Cost is high, and molding cycle is 3 minutes, and molding cycle is long, and efficiency is low, it is impossible to meet 3C industries high-volume
The requirement of production.
In view of this, it is necessary to develop a kind of preparation method of thermoplastic composite product and products thereof in fact,
It is high to solve the above-mentioned mold of needs two, cost, molding cycle length, the problem of efficiency is low.
【The content of the invention】
It is therefore an object of the present invention to provide a kind of preparation method of thermoplastic composite product, the making
Method only need to one set of die i.e. can rapid shaping product, cost is low, and the cycle is short, efficiency high, Neng Gouman
The requirement that sufficient 3C industries are produced in enormous quantities.
In order to achieve the above object, the preparation method of thermoplastic composite product of the invention, it include with
Lower step：
(1) Thermoplastic Laminates are cut according to shape of product；
(2) sheet material after cutting carries out infrared heating；
(3) steam is passed through to heat injection mold；
(4) sheet material after infrared heating is inserted in injection mold and positioned；
(5) injection mould closing enters horizontal high voltage pressing, and the sheet material after infrared heating is pressed into 3D shapes,
And injection moulding plastic contoured members；
(6) steam off, is passed through cooling water cooling injection mold, and product is taken out in die sinking after cooling.
Alternatively, the Thermoplastic Laminates are that carbon fiber-containing or fiberglass reinforced thermoplasticity are multiple
Condensation material sheet material.
Alternatively, the sheet material after infrared baking box is used in the step (2) to cutting carries out infrared heating, red
The top and bottom of outer baking box are respectively equipped with some infrared lamps of sequential, and the top of infrared baking box
And bottom further respectively has temperature inductor.
Alternatively, in the step (2), including the sheet material after cutting is placed on hollow out pallet, hollow out
The step that pallet is slided in infrared baking box.
Alternatively, in the step (2), the temperature of infrared heating is used by Thermoplastic Laminates
Resin glass transition temperature and melting temperature between.
Alternatively, in the step (2), the programming rate of infrared heating is 5 DEG C/s-20 DEG C/s.
Alternatively, it is provided with the male die core and mother module core of the injection mold in water route, the water route and is passed through steaming
Vapour or cooling water.
Alternatively, in the step (3), the mold face temperature for being heated to injection mold is 100-160 DEG C.
Alternatively, in the step (5), when the mold face temperature for being cooled to injection mold is 60-75 DEG C, open
Mould takes out product.
In addition, the present invention also provides a kind of product, it is the making side through above-mentioned thermoplastic composite product
The product that method is produced after making.
Compared to prior art, the preparation method of thermoplastic composite product of the invention, by thermoplastic
Property composite board is heated by the way of infrared heating, the direct injection molding in injection mold after heating,
Hot pressing die and the mold of injection mold two need not be used, cost has been saved；And infrared heating programming rate
5 DEG C/s-20 DEG C/s can be reached, programming rate is especially fast, can saved the plenty of time, and steam and cooling water
Hot pressing die is heated and cooled down, the programming rate and cooling rate of injection mold can reach in forming process
2 DEG C/s-3 DEG C/s, thus not only molding time is short, and whole molding cycle is 40-60s, and efficiency high can
The requirement of 3C industries production in enormous quantities is met, and steam can be recycled with cooling water, save the energy,
Corresponding product can be widely applied in 3C industries or other industry.
【Brief description of the drawings】
Fig. 1 illustrates the step flow chart of the preparation method of the thermoplastic composite product of the present invention.
Fig. 2 illustrates the knot of the embodiment infrared heating of preparation method one of the thermoplastic composite product of the present invention
Structure schematic diagram.
Fig. 3 illustrates injection mold in preparation method one embodiment of the thermoplastic composite product of the present invention
Structural representation.
【Embodiment】
To have further understanding to the purpose of the present invention, effect and technological means, in conjunction with specific embodiment
It is described as follows.
Refer to shown in Fig. 1, Fig. 2 and Fig. 3, wherein Fig. 1 depicts the thermoplastic composite production of the present invention
The step flow chart of the preparation method of product, Fig. 2 depicts the making of the thermoplastic composite product of the present invention
The structural representation of the preferred embodiment infrared heating of method one, Fig. 3 depicts the thermoplastic composite material of the present invention
Expect the structural representation of injection mold in the preferred embodiment of preparation method one of product.
Step 101：Thermoplastic Laminates 10 are cut according to shape of product.It is described in the present embodiment
Thermoplastic Laminates 10 are PC thermoplasticity carbon fiber plate, it is necessary to which the product of shaping is notebook computer A
Part, required size is cut into according to shape of product by PC thermoplasticity carbon fiber plates, such as long 350mm, wide 255mm,
Hole position on thick 1mm, wherein sheet material 10 on the correspondence product also can milling or punching shaping.
Step 102：Sheet material 10 after cutting carries out infrared heating.In the present embodiment, after cutting
Sheet material 10 is inserted and infrared heating is carried out in infrared baking box 11, the power adjustable of infrared heating, infrared baking box 11
Top and bottom be respectively equipped between some infrared lamps 12 of sequential, the infrared lamp 12
Apart from adjustable, the IR wavelength that wherein infrared lamp 12 is used is identical with the wavelength of thermoplastic composite,
The efficiency of heating surface can be improved, and the top and bottom of infrared baking box 11 further respectively have temperature inductor 13, use
Whether reached with sensing temperature.
Sheet material 10 after cutting carries out concretely comprising the following steps for infrared heating：Sheet material 10 after cutting is placed
Onto hollow out pallet 14, hollow out pallet 14 slides to infrared heating in infrared baking box 11, the heating of infrared heating
Speed is 5 DEG C/s-20 DEG C/s, the temperature on the surface of sheet material 10 is rapidly heated to Thermoplastic Laminates
Between the glass transition temperature and melting temperature of resin used in 10, for example, 200 DEG C are warming up to, now plate
Material 10 softens, but not the liquid for having melting drips.
Step 103：Steam is passed through to heat injection mold.Injection mold includes male template 19, master mold
Water route 17 in plate 15, male die core 18, mother module core 16 and male die core 18, mother module core 16.In this implementation
In example, concretely comprise the following steps：Steam cock is opened, in the water route of injection mold male die core 18 and mother module core 16
Steam is passed through in 17 to heat injection mold, and the temperature needed for the time control of steam is passed through by control.
In the present embodiment, the mold face temperature for being heated to injection mold is 120-140 DEG C.
Step 104：Sheet material 10 after infrared heating is inserted in injection mold and positioned.Wherein pass through positioning hole
Or pilot pin is positioned, prevent sheet material 10 from shifting, in order to prevent the heat of the sheet material after infrared heating 10 from damaging
Lose, need quickly to insert sheet material 10 in injection mold, for example, the side that mechanical arm crawl can be taken, put
Formula.
Step 105：Injection mould closing enters horizontal high voltage pressing, because sheet material 10 has softened after infrared heating,
Injection mould closing the sheet material 10 after infrared heating can be pressed into after the 3D shapes of needs, matched moulds and
Injection moulding plastic contoured members on sheet material 10, the structural member can be the structures such as snap fit, projection.
Step 106：Steam off, is passed through cooling water cooling injection mold.In the present embodiment, injection mold
Mold face temperature when being cooled to 65 DEG C, product is taken out in die sinking, and a circulation terminates, the next product of beginning
Make.
In addition, the present invention also provides a kind of product, it is the making side through above-mentioned thermoplastic composite product
The product that produces after method makes, the product be widely used in notebook computer, tablet personal computer, portable phone,
In the 3C industries such as the electronic electric equipment such as portable terminal or camera, information equipment or other industry.
In summary, the preparation method of thermoplastic composite product of the invention, by thermoplastic composite
Material sheet material 10 is heated by the way of infrared heating, the direct injection molding in injection mold after heating, no
Need to use hot pressing die and the mold of injection mold two, saved cost；And infrared heating programming rate energy
5 DEG C/s-20 DEG C/s is reached, programming rate is especially fast, can saved the plenty of time, and steam and cooling water pair
Hot pressing die is heated and cooled down, and the programming rate and cooling rate of injection mold can reach 2 DEG C in forming process
/ s-3 DEG C/s, thus not only molding time is short, and whole molding cycle is 40-60s, and efficiency high disclosure satisfy that
The requirement that 3C industries are produced in enormous quantities, and steam can recycle with cooling water, save the energy, phase
The product answered can be widely applied in 3C industries or other industry.
Claims (10)
1. a kind of preparation method of thermoplastic composite product, it is characterised in that comprise the following steps：
(1) Thermoplastic Laminates are cut according to shape of product；
(2) sheet material after cutting carries out infrared heating；
(3) steam is passed through to heat injection mold；
(4) sheet material after infrared heating is inserted in injection mold and positioned；
(5) injection mould closing enters horizontal high voltage pressing, and the sheet material after infrared heating is pressed into 3D shapes,
And injection moulding plastic contoured members；
(6) steam off, is passed through cooling water cooling injection mold, and product is taken out in die sinking after cooling.
2. the preparation method of thermoplastic composite product according to claim 1, it is characterised in that
The Thermoplastic Laminates are carbon fiber-containing or fiberglass reinforced Thermoplastic Laminates.
3. the preparation method of thermoplastic composite product according to claim 1, it is characterised in that
Sheet material after infrared baking box is used in the step (2) to cutting carries out infrared heating, the top of infrared baking box
And bottom is respectively equipped with some infrared lamps of sequential, and the top and bottom of infrared baking box are also distinguished
Provided with temperature inductor.
4. the preparation method of thermoplastic composite product according to claim 3, it is characterised in that
In the step (2), including the sheet material after cutting is placed on hollow out pallet, hollow out pallet slides to infrared
Step in baking box.
5. the preparation method of thermoplastic composite product according to claim 1, it is characterised in that
In the step (2), the glass of the temperature of infrared heating in resin used in Thermoplastic Laminates
Between conversion temperature and melting temperature.
6. the preparation method of thermoplastic composite product according to claim 1, it is characterised in that
In the step (2), the programming rate of infrared heating is 5 DEG C/s-20 DEG C/s.
7. the preparation method of thermoplastic composite product according to claim 1, it is characterised in that
It is provided with the male die core and mother module core of the injection mold in water route, the water route and is passed through steam or cooling water.
8. the preparation method of thermoplastic composite product according to claim 1, it is characterised in that
In the step (3), the mold face temperature for being heated to injection mold is 100-160 DEG C.
9. the preparation method of thermoplastic composite product according to claim 1, it is characterised in that
In the step (5), when the mold face temperature for being cooled to injection mold is 60-75 DEG C, product is taken out in die sinking.
10. a kind of product, it is characterised in that the product is through any one of claim 1 to 9
The product that the preparation method of thermoplastic composite product is produced after making.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610082211.3A CN107042605A (en) | 2016-02-05 | 2016-02-05 | The preparation method of thermoplastic composite product and its corresponding product |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610082211.3A CN107042605A (en) | 2016-02-05 | 2016-02-05 | The preparation method of thermoplastic composite product and its corresponding product |
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| CN107042605A true CN107042605A (en) | 2017-08-15 |
Family
ID=59543851
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| CN201610082211.3A Pending CN107042605A (en) | 2016-02-05 | 2016-02-05 | The preparation method of thermoplastic composite product and its corresponding product |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110027165A (en) * | 2019-03-04 | 2019-07-19 | 北京汽车集团有限公司 | The manufacturing device and manufacturing method of thermoplastic composite moulding |
| CN111459223A (en) * | 2019-01-18 | 2020-07-28 | 汉达精密电子(昆山)有限公司 | Light notebook computer shell and manufacturing method thereof |
| CN111556802A (en) * | 2018-01-12 | 2020-08-18 | 东丽株式会社 | Heating device for thermoplastic resin sheet and method for producing thermoplastic resin molded body |
| CN112706355A (en) * | 2019-10-25 | 2021-04-27 | 富鼎电子科技(嘉善)有限公司 | Shell forming system and shell forming method |
| 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 |
| CN114074456A (en) * | 2020-08-14 | 2022-02-22 | 汉达精密电子(昆山)有限公司 | Thermoplastic light composite material and preparation method thereof |
| CN114872268A (en) * | 2021-02-05 | 2022-08-09 | 汉达精密电子(昆山)有限公司 | Method for combining carbon fiber plate and plastic part and corresponding molded product |
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| CN105034301A (en) * | 2015-08-28 | 2015-11-11 | 宁波均胜汽车电子股份有限公司 | Injection-mold rapid-cooling and rapid-heating product welding line removing method |
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| CN203301779U (en) * | 2013-06-10 | 2013-11-20 | 锦州市华工成套设备有限公司 | High-infrared rapid heating device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111556802A (en) * | 2018-01-12 | 2020-08-18 | 东丽株式会社 | Heating device for thermoplastic resin sheet and method for producing thermoplastic resin molded body |
| CN111459223A (en) * | 2019-01-18 | 2020-07-28 | 汉达精密电子(昆山)有限公司 | Light notebook computer shell and manufacturing method thereof |
| CN110027165A (en) * | 2019-03-04 | 2019-07-19 | 北京汽车集团有限公司 | The manufacturing device and manufacturing method of thermoplastic composite moulding |
| CN112706355A (en) * | 2019-10-25 | 2021-04-27 | 富鼎电子科技(嘉善)有限公司 | Shell forming system and shell forming method |
| 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 |
| CN114074456A (en) * | 2020-08-14 | 2022-02-22 | 汉达精密电子(昆山)有限公司 | Thermoplastic light composite material and preparation method thereof |
| CN114872268A (en) * | 2021-02-05 | 2022-08-09 | 汉达精密电子(昆山)有限公司 | Method for combining carbon fiber plate and plastic part and corresponding molded product |
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Application publication date: 20170815 |
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