CN204546931U - Thermoplasticity and thermosetting double injection shaping in flow passage system - Google Patents
Thermoplasticity and thermosetting double injection shaping in flow passage system Download PDFInfo
- Publication number
- CN204546931U CN204546931U CN201520121222.9U CN201520121222U CN204546931U CN 204546931 U CN204546931 U CN 204546931U CN 201520121222 U CN201520121222 U CN 201520121222U CN 204546931 U CN204546931 U CN 204546931U
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- Prior art keywords
- cold runner
- plate
- thermal insulation
- insulation board
- tip
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- Expired - Fee Related
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- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a kind of thermoplasticity and thermosetting double injection shaping in flow passage system, relate to injection molding technology field; It is made up of cold runner system and TOP-TIP, and described TOP-TIP and cold runner system are arranged between a base plate and a front mould A plate, and described TOP-TIP comprises hot flow path deckle board, hot flow path air cylinder board and the first thermal insulation board; Described cold runner system comprises the cold runner air cylinder board be arranged on base plate, cold runner flow distribution plate and cold runner backing plate, is provided with the second thermal insulation board between this cold runner backing plate and above-mentioned front mould A plate; Be provided with the 3rd thermal insulation board and between described TOP-TIP and cold runner system and freeze water cooling plate, and one end of above-mentioned first thermal insulation board and one end of the second thermal insulation board are pushed up on the two sides of the upper and lower side being pressed in described 3rd thermal insulation board respectively; The beneficial effects of the utility model are: this design of the present utility model take automated production as target, saves equipment investment and cost of labor, also reduce molding cycle and waste of material.
Description
Technical field
The utility model relates to injection molding technology field, particularly relate to thermoplasticity and thermosetting double injection shaping in flow passage system.
Background technology
Generally, liquid thermoset silica gel (LSR) is as being all divided into two molds shaping with thermoplastic (PC) molding bonded.As realized thermoset plastic articles and thermoplastic articles is bonded to a single product, because the flow passage system of the side of thermoplastic needs heater, and the flow passage system equipment which requires cooling of the side of liquid thermoset silica gel, then need separately two molds and two kinds of distinct devices shaping, in this forming process, the investment of its cost of labor, defective products generation rate and equipment is all higher, and has the shortcomings such as production cycle length.
Summary of the invention
The purpose of this utility model is the deficiency effectively overcoming above-mentioned technology, there is provided a kind of thermoplasticity and thermosetting double injection shaping in flow passage system, this flow passage system is target with automated production, saves equipment investment and cost of labor, also reduces molding cycle and waste of material.
The technical solution of the utility model is achieved in that it is made up of the cold runner system of liquid thermoset silica gel and the TOP-TIP of thermoplastic, its improvements are: described TOP-TIP and cold runner system are arranged between a base plate and a front mould A plate, wherein, described TOP-TIP comprises the first thermal insulation board being arranged on the hot flow path deckle board below front mould A plate, the hot flow path air cylinder board below hot flow path deckle board and being arranged between hot flow path air cylinder board and base plate; The cold runner backing plate that described cold runner system comprises the cold runner air cylinder board be arranged on base plate, is positioned at the cold runner flow distribution plate above cold runner air cylinder board and is arranged on above cold runner flow distribution plate, the second thermal insulation board is provided with between this cold runner backing plate and above-mentioned front mould A plate, be provided with the 3rd thermal insulation board and between described TOP-TIP and cold runner system and freeze water cooling plate, and one end of above-mentioned first thermal insulation board and one end of the second thermal insulation board are pushed up on the two sides of the upper and lower side being pressed in described 3rd thermal insulation board respectively.
In above-mentioned flow passage system, described TOP-TIP has thermoplastic charging aperture, and described cold runner system has liquid thermoset silica gel charging aperture.
In above-mentioned flow passage system, the liquid thermoset silica gel charging aperture of described cold runner system is arranged on below base plate; Described thermoplastic charging aperture is arranged on the side of TOP-TIP.
In above-mentioned flow passage system, the upper area of described front mould A plate is shaping area, and the temperature in this shaping area is 120 DEG C.
The beneficial effects of the utility model are: the utility model achieves double injection in a forming unit, carry out respectively using needle-valve cold runner injection liquid thermoset silica gel and needle valve hot runner to penetrate the shaping of thermoplastic, first complete thermoplastic plastics shaping, by the mechanical action in one set of die carry out liquid thermoset silica gel Overmolded go out a complete product; This design of the present utility model is target with automated production, saves equipment investment and cost of labor, also reduces molding cycle and waste of material.
[accompanying drawing explanation]
Fig. 1 is front view of the present utility model.
Fig. 2 is schematic perspective view of the present utility model.
[detailed description of the invention]
Below in conjunction with drawings and Examples, the utility model will be further described.
With reference to shown in Fig. 1, the utility model disclose a kind of thermoplasticity and thermosetting double injection shaping in flow passage system, this flow passage system is made up of the cold runner system 10 of liquid thermoset silica gel and the TOP-TIP 20 of thermoplastic, composition graphs 1, shown in Fig. 2, we are described in detail the structure of this flow passage system, described TOP-TIP 20 and cold runner system 10 are arranged between a base plate 301 and a front mould A plate 302, wherein, TOP-TIP 20 comprises the hot flow path deckle board 303 be arranged on below front mould A plate 302, be positioned at the hot flow path air cylinder board 304 below hot flow path deckle board 303, and the first thermal insulation board 305 be arranged between hot flow path air cylinder board 304 and base plate 301, the cold runner backing plate 103 that described cold runner system 10 comprises the cold runner air cylinder board 101 be arranged on base plate 301, is positioned at the cold runner flow distribution plate 102 above cold runner air cylinder board 101 and is arranged on above cold runner flow distribution plate 102, is provided with the second thermal insulation board 104 between this cold runner backing plate 103 and above-mentioned front mould A plate 302.
Further, be provided with the 3rd thermal insulation board 401 and between described TOP-TIP 10 and cold runner system 20 and freeze water cooling plate 402, and one end of above-mentioned first thermal insulation board 305 and one end of the second thermal insulation board 104 are pushed up on the two sides of the upper and lower side being pressed in described 3rd thermal insulation board 401 respectively.In addition, described TOP-TIP 10 has thermoplastic charging aperture 105, described cold runner system 20 has liquid thermoset silica gel charging aperture, and in the present embodiment, the liquid thermoset silica gel charging aperture of described cold runner system 20 is arranged on below base plate 301; Described thermoplastic charging aperture 105 is arranged on the side of TOP-TIP 20.
Temperature requirement when cold runner system is shaping is 20-25 DEG C, temperature requirement when TOP-TIP is shaping is 280-310 DEG C, region above front mould A plate is shaping area, the temperature of shaping area is 120 DEG C, the utility model can realize multiple regions extreme temperature in one set of die, the control of heat trnasfer is emphasis of the present utility model, therefore, the first thermal insulation board 305 is designed between TOP-TIP 20 and the base plate 301 of mould, to prevent the transmission of heat, in cold runner system 10 and shaping area, the second thermal insulation board 104 and the 3rd thermal insulation board 401 is designed respectively between cold runner system 10 and TOP-TIP 20, effectively can prevent loss and the transmission of heat, between TOP-TIP and cold runner system, water cooling plate 402 is frozen in design simultaneously, and when preventing TOP-TIP shaping, high temperature turns in cold runner system, causes liquid thermoset silica gel curing molding.All reaching expection requirement, mating mold mechanism action by producing observed temperature, thermoplastic and thermosetting plastic automatic forming in one set of die can be accomplished.
The utility model achieves double injection in a forming unit, carry out respectively using needle-valve cold runner injection liquid thermoset silica gel and needle valve hot runner to penetrate the shaping of thermoplastic, first complete thermoplastic plastics shaping, by the mechanical action in one set of die carry out liquid thermoset silica gel Overmolded go out a complete product; This design of the present utility model is target with automated production, saves equipment investment and cost of labor, also reduces molding cycle and waste of material.
Described above is only preferred embodiment of the present utility model, and above-mentioned specific embodiment is not to restriction of the present utility model.In technological thought category of the present utility model, can occur various distortion and amendment, all those of ordinary skill in the art, according to describing retouching, the amendment made above or equivalent replacing, all belong to the scope that the utility model is protected.
Claims (4)
1. a thermoplasticity and thermosetting double injection shaping in flow passage system, be made up of the cold runner system of liquid thermoset silica gel and the TOP-TIP of thermoplastic, it is characterized in that: described TOP-TIP and cold runner system are arranged between a base plate and a front mould A plate, wherein, described TOP-TIP comprises the first thermal insulation board being arranged on the hot flow path deckle board below front mould A plate, the hot flow path air cylinder board below hot flow path deckle board and being arranged between hot flow path air cylinder board and base plate; The cold runner backing plate that described cold runner system comprises the cold runner air cylinder board be arranged on base plate, is positioned at the cold runner flow distribution plate above cold runner air cylinder board and is arranged on above cold runner flow distribution plate, is provided with the second thermal insulation board between this cold runner backing plate and above-mentioned front mould A plate; Be provided with the 3rd thermal insulation board and between described TOP-TIP and cold runner system and freeze water cooling plate, and one end of above-mentioned first thermal insulation board and one end of the second thermal insulation board are pushed up on the two sides of the upper and lower side being pressed in described 3rd thermal insulation board respectively.
2. thermoplasticity according to claim 1 and thermosetting double injection shaping in flow passage system, it is characterized in that: described TOP-TIP has thermoplastic charging aperture, described cold runner system has liquid thermoset silica gel charging aperture.
3. thermoplasticity according to claim 2 and thermosetting double injection shaping in flow passage system, it is characterized in that: the liquid thermoset silica gel charging aperture of described cold runner system is arranged on below base plate; Described thermoplastic charging aperture is arranged on the side of TOP-TIP.
4. thermoplasticity according to claim 1 and thermosetting double injection shaping in flow passage system, it is characterized in that: the upper area of described front mould A plate is shaping area, and the temperature in this shaping area is 120 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520121222.9U CN204546931U (en) | 2015-03-02 | 2015-03-02 | Thermoplasticity and thermosetting double injection shaping in flow passage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520121222.9U CN204546931U (en) | 2015-03-02 | 2015-03-02 | Thermoplasticity and thermosetting double injection shaping in flow passage system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204546931U true CN204546931U (en) | 2015-08-12 |
Family
ID=53822089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520121222.9U Expired - Fee Related CN204546931U (en) | 2015-03-02 | 2015-03-02 | Thermoplasticity and thermosetting double injection shaping in flow passage system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204546931U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107244041A (en) * | 2017-07-28 | 2017-10-13 | 东莞市浩琛热流道科技有限公司 | A kind of hot and cold runner common mode mould |
-
2015
- 2015-03-02 CN CN201520121222.9U patent/CN204546931U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107244041A (en) * | 2017-07-28 | 2017-10-13 | 东莞市浩琛热流道科技有限公司 | A kind of hot and cold runner common mode mould |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150812 Termination date: 20190302 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |