CN105082558B

CN105082558B - The manufacture method of material shell

Info

Publication number: CN105082558B
Application number: CN201410204423.5A
Authority: CN
Inventors: 蔡昌宏
Original assignee: Advanced International Multitech Co Ltd
Current assignee: Advanced International Multitech Co Ltd
Priority date: 2014-05-15
Filing date: 2014-05-15
Publication date: 2017-09-26
Anticipated expiration: 2034-05-15
Also published as: CN105082558A

Abstract

A kind of manufacture method of material shell, material step, a heat-press step, and a material step are put comprising a molding step, one.In the molding step, by the vacuum formed box that a first release glued membrane plastotype is one master mold of a laminating.In this puts material step, a preimmersion base material is placed in the vacuum formed box, and covers a second release glued membrane on the master mold.In the heat-press step, by the master mold and a male model matched moulds and carry out hot-forming, the preimmersion base material is squeezed into a shell.In the material step, open the male and female mould and directly take out the vacuum formed box and the second release glued membrane, and open the vacuum formed box and the second release glued membrane again after cooling to take out the shell.The resin for including the preimmersion base material by abovementioned steps will not be attached in the mould, and reduces time-consuming and process.

Description

The manufacture method of material shell

Technical field

The present invention relates to a kind of manufacture method, more particularly to a kind of manufacture method of material shell.

Background technology

With scientific and technological constantly development and the popularization of electronic product, also day is gradually for the requirement of electronic product by consumer It is many, the shell of first impression is especially represented, in addition to basic intensity is high, the main points such as light weight, aesthetic in appearance are also to disappear Expense person's chooses emphasis.And a series of Fiber prepreg be can be made into a kind of material shell by hot-forming, this is answered Condensation material shell has the characteristics such as high intensity, light weight, and plasticity height, so deep liked by consumer and dealer.

Refering to Fig. 1, the manufacture method of general material shell include the previous step 11 sequentially carried out, one get the raw materials ready Step 12, heat-press step 13, cold pressing step 14, a material step 15, and a cleanup step 16.Refering to Fig. 1 And Fig. 2, in the previous step 11, a mould 21 is ready for, the mould 21 includes a male model 211, and one can be with the public affairs The master mold 212 that mould 211 cooperates, mould release is respectively coated on the male model 211 and the master mold 212 and two are formed respectively Release layer 22.Refering to Fig. 1 and Fig. 3, in the material preparation step 12, one is ready for by multiple fibre bundle institutes handled through resin prepreg The preimmersion base material 23 of composition, and the preimmersion base material 23 is placed on the master mold 212.Refering to Fig. 1 and Fig. 4, in the heat-press step 13 In, by the matched moulds of mould 21 and carry out hot-forming, the preimmersion base material 23 is shaped to a shell 24.In the cold pressing step 14 In, keep pressure and cool down the temperature of mould 21.In the material step 15, open the mould 21 and take out the shell 24. In the cleanup step 16, it will be taken respectively inside the male model 211 and the master mold 212 in the membranaceous release layer 22 after solidification Under, and clear up the mould 21.

The manufacture method is in order to prevent the resin contained by the preimmersion base material 23 from attaching to the mould during hot-forming In 21, therefore need in the previous step 11 to be coated with mould release inside the mould 21.And because can not be straight after hot-forming The shell 24 for plasticity of taking in high temperature and still have is connect, removes outer so temperature drop need to be made via the cold pressing step 14 to facilitate Shell.But the cold pressing step 14 can make the mould 21 be down to inoperative temperature, to be carried out continuously during processing, then need constantly to heat up And cooling, cause the waste of the energy and the increase in man-hour.In addition, the mould release coating when, easily because crawling and caused by The release layer 22 can not intactly coat the preimmersion base material 23, cause the resin for still suffering from partly leaking out to attach to the mould In tool 21, therefore the resin sticked need to be cleared up by the cleanup step 16, cause the increase in process and man-hour.

The content of the invention

The step of increase cleaning attaches to the resin in mould and process letter are not required to it is an object of the invention to provide a kind of The manufacture method of single material shell.

The manufacture method of material shell of the present invention, material step, a hot pressing step are put comprising a molding step, one And a material step suddenly,.

In the molding step, four sides are had into securing first release glued membrane with a smelting and are placed on a master mold Pre-temperature, then to the master mold carry out vacuum plastotype make the first release glued membrane plastotype for one fit the master mold and with one appearance Vacuum formed box between being empty.This put material step in, be ready for one by multiple fibre bundles handled through resin prepreg constituted it is pre- Base material is soaked, the preimmersion base material is placed in the accommodation space of the vacuum formed box, a second release glued membrane is then covered in the master mold Go up and close the accommodation space.In the heat-press step, by a male model and the master mold matched moulds and carry out hot-forming, make this pre- Leaching base material is extruded together as a shell.In the material step, the male and female mould is opened by the vacuum formed box and this is second release Glued membrane directly takes out, and opens the vacuum formed box and the second release glued membrane to take out the shell after the shell is cooled down.

It is preferred that the manufacture method of foregoing material shell, the material of the wherein first release glued membrane is to benzene by poly- One is selected in dioctyl phthalate second diester, polypropylene, latex, and natural rubber.

It is preferred that the manufacture method of foregoing material shell, the material of the wherein second release glued membrane is to benzene by poly- One is selected in dioctyl phthalate second diester, polypropylene, latex, and natural rubber.

It is preferred that the manufacture method of foregoing material shell, the wherein preimmersion base material are a carbon fibre initial rinse fabrics.

The beneficial effects of the present invention are：Make that resin will not be sticked inside the male model and master mold by abovementioned steps, due to The manufacture method, which eliminates one, needs the cold pressing step of cooling down, so in the material step, taking out the vacuum formed box And cooling is not required to after the second release glued membrane can proceed with processing next time, the saving time and simplify process.

Brief description of the drawings

Fig. 1 is a flow chart, illustrates the manufacture method of a general material shell；

Fig. 2 is a schematic diagram, illustrates a previous step of the general manufacture method；

Fig. 3 is a schematic diagram, illustrates a material preparation step of the general manufacture method；

Fig. 4 is a schematic diagram, illustrates a heat-press step of the general manufacture method；

Fig. 5 is a flow chart, illustrates a preferred embodiment of the manufacture method of material shell of the present invention；

Fig. 6-1 and 6-2 are all side cutaway view, illustrate a molding step of the preferred embodiment；

Fig. 7-1 and 7-2 are all side cutaway view, illustrate that one of the preferred embodiment is put material step；

Fig. 8-1 and 8-2 are all side cutaway view, illustrate a heat-press step of the preferred embodiment；And

Fig. 9-1 and 9-2 are all side cutaway view, illustrate a material step of the preferred embodiment.

Embodiment

Below in conjunction with the accompanying drawings and embodiment the present invention is described in detail.

Refering to Fig. 5, it is a preferred embodiment of the manufacture method of material shell of the present invention, includes what is sequentially carried out One molding step 31, one put material step 32, a heat-press step 33, and a material step 34.

Refering to Fig. 5,6-1,6-2,31 in the molding step, by four sides with smelting have 40 securing first from Type glued membrane 41 is placed on a master mold 42 and heats pre-temperature as in Figure 6-1, then carries out vacuum plastotype to the master mold 42, makes this First release glued membrane 41 as in fig. 6-2 plastotype into the fit master mold 42 and plastic uptake with accommodation space 431 Box 43.In this puts material step 32, a preimmersion base material 44 being made up of multiple fibre bundles handled through resin prepreg is ready for, And the preimmersion base material 44 is placed in as shown in Fig. 7-1 in the accommodation space 431 formed by the vacuum formed box 43, then as Fig. 7- A second release glued membrane 45 is covered shown in 2 to close on the master mold 42, and by the accommodation space 431, makes the preimmersion base material 44 are folded between the vacuum formed box 43 and the second release glued membrane 45.

Refering to Fig. 5 and Fig. 8-1, in the heat-press step 33, the master mold 42 and one can be engaged boundary with the master mold 42 The matched moulds of male model 46 of a plastotype space 47 (see Fig. 8-2) is made, and carries out hot-forming, makes the preimmersion base material 44 such as Fig. 8-2 It is shown be squeezed into should plastotype space 47 shape and be shaped to a shell 48.Refering to Fig. 5 and Fig. 9-1, taken at this Expect in step 34, open the master mold 42 and the male model 46 and directly take out the vacuum formed box 43 and the second release glued membrane 45, and treat Open the vacuum formed box 43 and the second release glued membrane 45 to take out the shell 48 shown in Fig. 9-2 for another example after the shell 48 cooling. And due to the master mold 42 and the male model 46 without cooling down the step of, therefore still in operating temperature, so can proceed with Processing without being heated up again.

It should be further stated that, in this preferred embodiment, this first release glued membrane 41 and second parting compound adhesive The material of film 45 is by PET (English：Polyethylene terephthalate, abbreviation PET), it is poly- Propylene (English:PolyPropylene, abbreviation PP), select one in latex, and natural rubber, the preimmersion base material 44 is a carbon fibre Prepreg cloth is tieed up, but is not limited.

In summary, the vacuum formed box 43 and the second release glued membrane 45 can completely coat the preimmersion base material when hot-forming 44, without causing the problem of resin that the preimmersion base material 44 is included attaches to 46 inside of master mold 42 and male model.The vacuum formed box 43 and the second release glued membrane 45 due to cost it is low so can be used as consumptive material, therefore in the material step 34, taking out should It can directly be abandoned after shell 48 without clearing up the vacuum formed box 43 and the second release glued membrane 45, save manpower and reduce process, So the purpose of the present invention can be reached really.

Claims

1. a kind of manufacture method of material shell, material step, a heat-press step are put comprising a molding step, one, And a material step；It is characterized in that：In the molding step, four sides had into securing first release glued membrane with smelting Pre-temperature on a master mold is placed in, vacuum plastotype is then carried out to the master mold makes the first release glued membrane plastotype be the mother that fits Mould and the vacuum formed box with an accommodation space, when this puts material step, are ready for one by multiple fibres handled through resin prepreg The preimmersion base material that is constituted of dimension beam, the preimmersion base material is placed in the accommodation space of the vacuum formed box, then cover one second from Type glued membrane is on the master mold and closing the accommodation space, in the heat-press step, by a male model and the master mold matched moulds and carries out It is hot-forming, the preimmersion base material is extruded together for a shell, in the material step, open the male and female mould and inhale this Modeling box and the second release glued membrane directly take out, and open the vacuum formed box and the second release glued membrane to take after the shell is cooled down Go out the shell.

2. the manufacture method of material shell according to claim 1, it is characterised in that：The material of the first release glued membrane It is to select one in PET, polypropylene, latex, and natural rubber.

3. the manufacture method of material shell according to claim 2, it is characterised in that：The material of the second release glued membrane It is to select one in PET, polypropylene, latex, and natural rubber.

4. the manufacture method of material shell according to claim 3, it is characterised in that：The preimmersion base material is a carbon fibre Tie up prepreg cloth.