CN101890784B - Molding method of double-density product - Google Patents
Molding method of double-density product Download PDFInfo
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- CN101890784B CN101890784B CN 201010213349 CN201010213349A CN101890784B CN 101890784 B CN101890784 B CN 101890784B CN 201010213349 CN201010213349 CN 201010213349 CN 201010213349 A CN201010213349 A CN 201010213349A CN 101890784 B CN101890784 B CN 101890784B
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Abstract
The invention discloses a molding method of a double-density product, which is implemented through a molding die of the double-density product and comprises the following steps: A, after a moving mold and a fixing mold are closed, respectively inserting two moving mold spiles into a cavity and dividing the cavity into three different parts; B, respectively injecting the fused high density raw materials and low density raw materials into different parts of the cavity; C, retreating the moving mold spile out of the cavity and retaining on the moving mold; D, inserting the fixing mold spile intothe fixing mold again; E, introducing steam into a moving mold chamber and a fixing mold steam chamber, and curing the raw materials in the cavity and enabling the raw materials to form enthalpy; andF, after the formation of the enthalpy, introducing cooling water into a fixing mold cooling water pipe to cool the cavity, then finishing the molding of a product. The molding method of the double-density product can mold two different raw materials into a product with two different densities at a time, thereby saving half of the manufacturing cycle, improving the capacity, saving the manufacturing cost, increasing the product intensity and ensuring the stability of the quality.
Description
Technical field
The present invention relates to a kind of mould, relate in particular to a kind of forming method of double-density product.
Background technology
At present, for PP-E, PS-E, the dual density expanded materials such as PE-E.Generally all be to use twice moulding, forming method comprises following two kinds:
The first is made into respectively two parts with the material of two kinds of different densities, then with glue two parts is bonded together.
The second relays in die cavity after the formed product with a kind of density material, and the material of the another kind of density of reshaping makes two parts stick together by Steam Heating.
All because be twice moulding, the production cycle has increased by one times for two kinds of methods, and first method also increases the cost of glue and the running cost when fitting, and is difficult to during handwork guarantee that the product of fitting meets digital-to-analogue; Second method has a kind of density material in another kind of density material moulding, and it will be subjected to the heating of primary steam again, and apparent being easy to burnt.When moulding the second density material, manual and be placed on the first density material of first moulding in the die cavity in addition, equipment can not automatically be done like this.Manufacturing cost is higher than first method.
Summary of the invention
Purpose of the present invention is exactly in order to provide the forming method of the one-time formed double-density product of a kind of energy.
In order to achieve the above object, the present invention has adopted following technical scheme: a kind of forming method of double-density product, mould by double-density product is implemented, this mould comprises shifting formwork template, solid model template, solid model cooling water pipe, shifting formwork vaporium, solid model vaporium, two blocks of shifting formwork plates and two blocks of solid model plates, consist of die cavity behind shifting formwork template and the solid model template matched moulds, the forming method of double-density product may further comprise the steps:
Behind A, shifting formwork template and the solid model template matched moulds, respectively two shifting formwork plates are inserted die cavity and the solid model plate is ejected the solid model template, make the shifting formwork plate be divided into three parts to die cavity fully, two ends are high density raw material injection zones, and the centre is low-density raw material injection zone;
B, the high density raw material of melting is expelled to the high density raw material injection zone at die cavity two ends respectively, with the low-density feed injection of the melting low-density raw material injection zone in the middle of the die cavity;
C, the shifting formwork plate is withdrawed from die cavity and be retained on the shifting formwork template, live die cavity from shifting formwork template one side seal;
D, the solid model plate is reinserted the solid model template, live die cavity from solid model template one side seal;
E, pass into steam to shifting formwork vaporium and solid model vaporium, make it into enthalpy with the raw material in the steam cure die cavity;
Pass into cold water cooling die cavity to the solid model cooling water pipe again behind F, the Cheng Han, namely finish the moulding of a product.
The forming method of double-density product of the present invention makes it have following advantage and disadvantage owing to adopted above technical scheme:
1, two kinds of different raw material one-shot formings can be become have the product of two kinds of different densities, save the manufacturing cycle of half, improve production capacity, save manufacturing cost;
2, the complete Cheng Han in the position that is made of the different densities material in the product has increased the intensity of product together;
3, size and dimension more can meet designing requirement, has guaranteed the stability of quality.
Description of drawings
Fig. 1 is the plane perspective structural representation of the mould of the double-density product that adopts among the present invention;
Fig. 2 is the volume rendering structural representation of the mould of the double-density product that adopts among the present invention;
Fig. 3 is the perspective view of the shifting formwork that adopts among the present invention.
The specific embodiment
Referring to Fig. 1, cooperation is referring to Fig. 2, the mould of the double-density product that adopts among the present invention, comprise shifting formwork template 1, solid model template 2, shifting formwork backboard 3, solid model backboard 4, solid model cooling water pipe 5, shifting formwork plate assembly 6 and solid model plate assembly 7, between shifting formwork template 1 and shifting formwork backboard 3, be provided with shifting formwork vaporium 8, between solid model template 2 and solid model backboard 4, be provided with solid model vaporium 9, solid model cooling water pipe 5 is arranged in the solid model vaporium 9, forms a die cavity that is used for the moulding double-density product behind shifting formwork template 1 and solid model template 2 matched moulds between shifting formwork and solid model.Shifting formwork plate assembly 6 is inserted on the shifting formwork template 1 and can inserts in the die cavity die cavity is separated into for three parts of injecting the different densities raw material; Solid model plate assembly 7 is inserted on the solid model template 2 corresponding to shifting formwork plate assembly, and solid model plate assembly 7 can seal die cavity withdrawing from solid model template 2 under the effect of shifting formwork plate assembly 6 and reinsert solid model template 2 after shifting formwork plate assembly 6 withdraws from die cavity.
Shifting formwork plate assembly 6 among the present invention comprises two cylinders 61 and two blocks of shifting formwork plates 62, two cylinders 61 are installed in respectively the outside of shifting formwork backboard 3, its piston rod passes respectively the shifting formwork backboard and links to each other with two blocks of shifting formwork plates 62 respectively, and the front end of two blocks of shifting formwork plates 62 is inserted into respectively on the shifting formwork template 1 and can enters or withdraw from die cavity under the effect of cylinder 61.
Solid model plate assembly 7 among the present invention comprise two blocks of solid model plates 71, auxiliary moving plate 72, a plurality of spring 73 and with spring base 74 and the spring slide bar 75 of the supporting setting of spring, auxiliary moving plate 72 is arranged on the inboard of solid model backboard 4 and is fixedly linked with two solid model plates 71, each spring base 74 is installed in respectively the outside that solid model is carried on the back 4 plates, one end of each spring 73 is separately positioned in each spring base 74, the other end is pressed on respectively on the auxiliary moving plate 72, and each spring slide bar 75 passes respectively each spring base 74 and is fixedly linked with each spring 73 and with auxiliary moving plate 72.
The forming method of double-density product of the present invention is:
1, behind shifting formwork template 1 and solid model template 2 matched moulds, cylinder 61 ejects solid model template 2 to shifting formwork plate 62 jacking die cavities to solid model plate 71, makes shifting formwork plate 62 be divided into three parts to die cavity fully, two ends are high density raw material injection zones, and the centre is low-density raw material injection zone.
2, by spray gun the high density raw material of melting is expelled to the high density raw material injection zone at die cavity two ends respectively, with the low-density feed injection of the melting low-density raw material injection zone in the middle of the die cavity.
3, then with cylinder shifting formwork plate 62 is withdrawed from die cavity and be retained on the shifting formwork template 1, live die cavity from shifting formwork template 1 one side seals, do not allow raw material drain to shifting formwork vaporium 8 from die cavity.
4, solid model plate 71 is to control with spring 73, when shifting formwork plate 62 advances, spring 73 is compressed, when shifting formwork plate 62 is returned, the reset force of spring back into original position to solid model plate 71, reinsert solid model template 2, live die cavity from solid model template 2 one side seals, do not allow raw material drain to solid model vaporium 9 from die cavity 10.
5, then pass into steam to shifting formwork vaporium 8 and solid model vaporium 9, use the raw material in the steam cure die cavity to make it into enthalpy.
6, pass into cold water to solid model cooling water pipe 5 again behind the Cheng Han, water cooling die cavity is opened die cavity at last, and product is taken out in die cavity, namely finishes the moulding of a product.
Claims (1)
1. the forming method of a double-density product, mould by double-density product is implemented, this mould comprises shifting formwork template, solid model template, solid model cooling water pipe, shifting formwork vaporium, solid model vaporium, two blocks of shifting formwork plates and two blocks of solid model plates, consist of die cavity behind shifting formwork template and the solid model template matched moulds, it is characterized in that: the forming method of described double-density product may further comprise the steps:
Behind A, shifting formwork template and the solid model template matched moulds, respectively two shifting formwork plates are inserted die cavity and the solid model plate is ejected the solid model template, make the shifting formwork plate be divided into three parts to die cavity fully, two ends are high density raw material injection zones, and the centre is low-density raw material injection zone;
B, the high density raw material of melting is expelled to the high density raw material injection zone at die cavity two ends respectively, with the low-density feed injection of the melting low-density raw material injection zone in the middle of the die cavity;
C, the shifting formwork plate is withdrawed from die cavity and be retained on the shifting formwork template, live die cavity from shifting formwork template one side seal;
D, the solid model plate is reinserted the solid model template, live die cavity from solid model template one side seal;
E, pass into steam to shifting formwork vaporium and solid model vaporium, make it into enthalpy with the raw material in the steam cure die cavity;
Pass into cold water cooling die cavity to the solid model cooling water pipe again behind F, the Cheng Han, namely finish the moulding of a product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201010213349 CN101890784B (en) | 2010-06-28 | 2010-06-28 | Molding method of double-density product |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010213349 CN101890784B (en) | 2010-06-28 | 2010-06-28 | Molding method of double-density product |
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| CN101890784A CN101890784A (en) | 2010-11-24 |
| CN101890784B true CN101890784B (en) | 2013-04-24 |
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| CN 201010213349 Active CN101890784B (en) | 2010-06-28 | 2010-06-28 | Molding method of double-density product |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101254642A (en) * | 2008-03-02 | 2008-09-03 | 台州职业技术学院 | Dual-color one-shot forming injection mold and injection molding method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3553544B2 (en) * | 2001-12-25 | 2004-08-11 | 日精樹脂工業株式会社 | Composite molding method and injection molding machine for dissimilar materials resin |
| FR2874350B1 (en) * | 2004-08-18 | 2007-12-21 | Faurecia Interieur Ind Snc | MOLD FOR INJECTION MOLDING OF A PLASTIC PIECE AND MOLDING METHOD |
| CN101224622A (en) * | 2008-02-01 | 2008-07-23 | 珠海晟骅鞋业有限公司 | Forming method of dichroic double-substantial foaming plastic and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101254642A (en) * | 2008-03-02 | 2008-09-03 | 台州职业技术学院 | Dual-color one-shot forming injection mold and injection molding method thereof |
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| CN101890784A (en) | 2010-11-24 |
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