CN204160750U - Forming die structure - Google Patents

Abstract

The utility model discloses a kind of forming die structure, comprising: a counterdie, its end face has the sealing flange protruded in loop shaped and the die cavity being positioned at sealing flange inner; One spacer ring, its be loop shaped and fusing point higher than a shaping plastic, this spacer ring is incorporated into the end face of sealing flange separably, and the end face of spacer ring exceeds the end face of sealing flange, should in the shaping plastic of en plaque for bearing; And a patrix, its relatively this counterdie be pressed on the end face of shaping plastic movably, this patrix has is located at bottom surface and to should an annular seal space of die cavity and the appendix that communicates with sealing chamber, this appendix be connected to a gases at high pressure generation device.Whereby, the utility model is made to have fast demoulding and the effect that can significantly enhance productivity.

Description

Forming die structure

Technical field

The utility model relates to a kind of forming die structure aspect being applied to blowing moulding machine.

Background technology

Refer to shown in Fig. 1, a kind of mould of existing blowing moulding machine is when carrying out processing and forming, be first one of en plaque shaping plastic 10 is placed in counterdie 11 sealing flange 12 on and cover die cavity 13, then patrix 14 moves down and imposes a suitable pressure clamp and be pressed on this shaping plastic 10, the lower heater 16 of heater 15 and upper heater 17 is utilized this counterdie 11 and patrix 14 to be heated to the proper temperature making this shaping plastic 10 easily deformable afterwards, gases at high pressure are inputted to annular seal space 19 again by the appendix 18 of patrix 14, with the pressure by these gases at high pressure from top to bottom by this shaping plastic 10 blow pressure in die cavity 13, and then along the shape of this die cavity 13, afterwards patrix 14 moves, after this shaping plastic 10 cools just can by its by die cavity 13 in the demoulding take out, finally more unnecessary part is cut and can obtain finished product.

But, make it when shaping, have good sealing effectiveness, then this patrix 14 just needs to impose sizable cramping power to shaping plastic 10 therebetween with this counterdie 11, in addition in order to make this shaping plastic 10 be easy to then be needed again to utilize this heater 15 by this by blow pressure formation, counterdie 14, 11 to be heated to it and to be easy to moulding temperature, therefore in the process of blowing moulding, this shaping plastic 10 just can Yin Gaowen and on, counterdie 14, 11 clamp energetically and part melts in the pore of the sealing flange 12 infiltrating counterdie 11 and is shaped as hot melt and is stained with glutinous situation, so just can produce the problem of the not easily demoulding.In addition, due to this shaping plastic 10 firm shaping time still there is quite high temperature and easy stress deformation, just can carry out stripping action after therefore must waiting until its complete hardening by cooling, so then can spend a large amount of time wait to be cooled on.So it wastes time and energy when the demoulding very much, and then overall production efficiency can be had influence on.

In view of this, the design people does not attain perfect caused many disappearances and inconvenience in the design of above-mentioned forming die structure, and deeply conceives, and active research improvement has a fling at and development and Design goes out the utility model.

Utility model content

Also be less likely to occur to be stained with the forming die structure of glutinous counterdie time after the purpose of this utility model is to provide a kind of blow molding without the need to waiting for that cooling can carry out the demoulding and the demoulding completely at once, and then fast demoulding can be reached to enhance productivity.

In order to reach above-mentioned purpose, solution of the present utility model is:

A kind of forming die structure, comprising: a counterdie, and its end face has the sealing flange protruded in loop shaped and the die cavity being positioned at sealing flange inner; One spacer ring, its be loop shaped and fusing point higher than a shaping plastic, this spacer ring is incorporated into the end face of sealing flange separably, and the end face of spacer ring exceeds the end face of sealing flange, for this shaping plastic of bearing; And a patrix, its relatively this counterdie be pressed on the end face of shaping plastic movably, this patrix has is located at bottom surface and to should an annular seal space of die cavity and the appendix that communicates with sealing chamber, this appendix be connected to a gases at high pressure generation device.

This mould also comprises the heater of a pair this patrix and the heating of this counterdie.

Described heater comprises heater and a upper heater, and the bottom surface of this counterdie is located at by this lower heater, and this upper heater is located at the end face of this patrix.

Be coated with in the die cavity of described counterdie that one deck is anti-is stained with glutinous layer.

The end face of described sealing flange has a detent of loop shaped, and the bottom of described spacer ring is embedded in this detent.

The material of described spacer ring is aluminium.

The material of described spacer ring is stainless steel.

The material of described spacer ring is copper.

After adopting said structure, when the shaping plastic of the utility model forming die structure is on this, after counterdie clamps sealing and heats, through gases at high pressure generation device, gases at high pressure are sent into sealing chamber with by after its blowing moulding by appendix again, this shaping plastic just can not be stained with and stick on this counterdie by hot melt by the isolation of this spacer ring, and only can be stained with and stick on this spacer ring by hot melt, and due to the fusing point of this spacer ring be higher than this shaping plastic, so this spacer ring can not be stained with and stick on this counterdie by hot melt because of forming temperature, can make shaping after shaping plastic and spacer ring be easy to depart from this counterdie, there is the effect being easy to the demoulding.Especially, this shaping plastic after shaping, can be stained with by hot melt and stick this spacer ring, and increase its overall construction intensity further, therefore can carry out the demoulding at once without the need to waiting for that it is lowered the temperature completely and not have the situation of distortion.Effect that therefore the utility model has fast demoulding and can significantly enhance productivity.Can improve after existing mould also exists formed product needs the cost plenty of time to wait for that its complete cooling down just can carry out the demoulding, and easily produces hot melt after formed product with the sealing flange of counterdie and be stained with and stick and make demoulding not easily, and affect the problems such as stripping rate and then reduction production efficiency.

Accompanying drawing explanation

Fig. 1 is the forming action schematic diagram of existing mould;

Fig. 2 is perspective exploded view of the present utility model;

Fig. 3 is that the utility model section decomposes enlarged diagram;

Action schematic diagram when Fig. 4 is the utility model pan feeding;

Fig. 5 be the utility model matched moulds and blowing moulding time action schematic diagram;

Action schematic diagram when Fig. 6 is the utility model demoulding;

Fig. 7 is the schematic perspective view after the utility model demoulding.

Wherein:

Counterdie 20 sealing flange 21 die cavity 22

Detent 23 spacer ring 30 patrix 40

Annular seal space 41 appendix 42 heater 50

The shaping plastic 60 of lower heater 51 upper heater 52.

Detailed description of the invention

In order to explain the technical solution of the utility model further, below by specific embodiment, the utility model is elaborated.

Refer to shown in Fig. 2 and Fig. 3, the utility model forming die structure comprises counterdie 20, spacer ring 30, patrix 40 and a heater 50.Wherein:

The end face of this counterdie 20 has and protrudes and a sealing flange 21 in loop shaped and the die cavity 22 that is positioned at inside sealing flange 21, has the detent 23 in loop shaped in the end face of sealing flange 21.

This spacer ring 30 in loop shaped and fusing point higher than a shaping plastic 60.Such as: when this shaping plastic 60 is aluminium, the material of this spacer ring 30 can be stainless steel or copper; This shaping plastic 60 be rubber or plastics time, the material of this spacer ring 30 can be aluminium.The bottom of this spacer ring 30 is embedded in the detent 23 of the end face being incorporated into sealing flange 21 separably, and when this spacer ring 30 is embedded in this detent 23, the end face of this spacer ring 30 exceeds the end face of sealing flange 21, can be used for the shaping plastic 60 that confession bearing should be en plaque.

This patrix 40 can move relative to this counterdie 20, can be pressed on the end face of the shaping plastic 60 be seated on this spacer ring 30 to make it.This patrix 40 has is located at bottom surface and to should an annular seal space 41 of die cavity 22 and the appendix 42 that one of to communicate with sealing chamber 41, this appendix 42 is connected to an outside gases at high pressure generation device (not shown), and this gases at high pressure generation device can provide gases at high pressure to give this appendix 42.

This heater 50 comprises heater 51 and a upper heater 52, the bottom surface of this counterdie 20 is located at by this lower heater 51, this upper heater 52 is located at the end face of this patrix 40, can heat this counterdie 20 and this patrix 40 respectively, its operating temperature with an acquiescence can be easy to moulding by this high temperature for the shaping plastic 60 be located between this upper and lower mould 40,20.

Refer to shown in Fig. 4 to Fig. 7, the utility model is when carrying out processing and forming, need first this spacer ring 30 to be embedded among this detent 23, the shaping plastic 60 of this en plaque be placed in the end face of this spacer ring 30 again and cover this die cavity 22, then make this patrix 40 move down and impose a suitable pressure clamp to be pressed on shaping plastic 60, the lower heater 51 of heater 50 and upper heater 52 is utilized to be heated to make this shaping plastic 60 be easy to moulding temperature to this counterdie 20 and patrix 40 afterwards, gases at high pressure are inputted to sealing chamber 41 again by the appendix 42 of this patrix 40, with the pressure by these gases at high pressure from top to bottom by this shaping plastic 60 blow pressure in this die cavity 22, make it along the shape of this die cavity 22, move on patrix 40 afterwards, this shaping shaping plastic 60 completed can be stained with glutinous spacer ring 30 thereon together with hot melt to be taken out by the demoulding on this counterdie 20, last have the unnecessary regions such as spacer ring 30 to cut removal by this shaping plastic 60 being stained with stick again, to obtain finished product.

In the utility model, also glutinous layer (not shown) can be stained with in the die cavity 22 plated surface last layer of this counterdie 20 is anti-, by this anti-be stained with glutinous layer be anti-ly stained with glutinous characteristic and can coordinate decorative pattern in this die cavity 22 and pattern, and make the surface of this shaping plastic 60 therefore can mold more accurate careful decorative pattern or pattern.

The utility model forming die structure, when this shaping plastic 60 is on this, counterdie 40, 20 clamp sealing and through this heater 50 heating after, via this gases at high pressure generation device, gases at high pressure are sent into sealing chamber 41 with by after its blowing moulding through this appendix 42 again, this shaping plastic 60 just can not be stained with and stick on this counterdie 20 by hot melt by the isolation of this spacer ring 30, and only can be stained with and stick on this spacer ring 30 by hot melt, and because the fusing point system of this spacer ring 30 is higher than this shaping plastic 60, stick on this counterdie 20 so the high temperature that heater 50 produces is not enough to make this spacer ring 30 hot melt be stained with, can make shaping after shaping plastic 60 can depart from this counterdie 20 easily with this spacer ring 30, therefore there is the effect being easy to the demoulding.Especially, this shaping plastic 60 after shaping, can be stained with by hot melt and stick the spacer ring 30 that this is loop shaped, and increase its overall construction intensity further, therefore can carry out the demoulding without the need to waiting for that it is lowered the temperature completely at once, and still not have the situation of distortion.So, effect that the utility model has fast demoulding and can significantly enhance productivity.

Above-described embodiment and graphic and non-limiting product form of the present utility model and style, any person of an ordinary skill in the technical field, to its suitable change done or modification, all should be considered as not departing from patent category of the present utility model.

Claims (8)

1. a forming die structure, is characterized in that, comprising:

One counterdie, its end face has the sealing flange protruded in loop shaped and the die cavity being positioned at sealing flange inner;

One spacer ring, its be loop shaped and fusing point higher than a shaping plastic, this spacer ring is incorporated into the end face of sealing flange separably, and the end face of spacer ring exceeds the end face of sealing flange, for this shaping plastic of bearing; And

One patrix, its relatively this counterdie be pressed on the end face of shaping plastic movably, this patrix has is located at bottom surface and to should an annular seal space of die cavity and the appendix that communicates with sealing chamber, this appendix be connected to a gases at high pressure generation device.

2. forming die structure as claimed in claim 1, is characterized in that: the heater also comprising a pair this patrix and the heating of this counterdie.

3. forming die structure as claimed in claim 2, is characterized in that: described heater comprises heater and a upper heater, and the bottom surface of this counterdie is located at by this lower heater, and this upper heater is located at the end face of this patrix.

4. forming die structure as claimed in claim 1 or 2, is characterized in that: be coated with in the die cavity of described counterdie that one deck is anti-is stained with glutinous layer.

5. forming die structure as claimed in claim 1 or 2, is characterized in that: the end face of described sealing flange has a detent of loop shaped, and the bottom of described spacer ring is embedded in this detent.

6. forming die structure as claimed in claim 1 or 2, is characterized in that: the material of described spacer ring is aluminium.

7. forming die structure as claimed in claim 1 or 2, is characterized in that: the material of described spacer ring is stainless steel.

8. forming die structure as claimed in claim 1 or 2, is characterized in that: the material of described spacer ring is copper.