CN206170438U - Silicone mould with thermal energy is split in anticollision - Google Patents

Abstract

The utility model relates to a silicone mould with thermal energy is split in anticollision, including core, screw and ejection bottom plate, the bottom of core is equipped with the screw, the screw is the step screw, the first ladder of screw with the core is connected, the second step of screw with ejection bottom plate connects the second step of screw with the inboard of ejection bottom plate contact still is equipped with the shell fragment. The utility model discloses a through establishing the screw into the step screw, and be equipped with the shell fragment on the second step of screw, during the return, the shell fragment can play very good cushioning effect when the ejecting product of core after, can guarantee that the core can not produce with the mould collide strongly, has also protected the life of core promptly, when high temperature was produced, because the thermal energy, the product core can be elongated simultaneously, and the shell fragment can play downwards and the pulling force according to the change of temperature this moment, had guaranteed that core and ejection bottom plate have good effort, reaches to promote and seal the effect of gluing.

Description

The silica gel mould with thermal expansion is split in a kind of anticollision

Technical field

This utility model is related to silica gel mould equipment technical field, and in particular to the silicon with thermal expansion is split in a kind of anticollision Sealing rubber die.

Background technology

Silica gel (Silica gel；Silica) call：Silicic acid gel is a kind of high activity adsorbing material, belongs to amorphous state thing Matter, its chemical molecular formula are mSiO2nH2O；Do not react with any material in addition to highly basic, Fluohydric acid., it is water insoluble and appoint What solvent, nonpoisonous and tasteless, stable chemical nature.The silica gel of various models forms different micropore knots because its manufacture method is different Structure.The chemical composition and physical arrangement of silica gel, determines that there are many other same type of material to be difficult to replace to obtain feature for it：Adsorptivity Can height, good heat stability, stable chemical nature, have higher mechanical strength etc..Silica gel is divided into according to the size in its aperture：Macropore Silica gel, silochrom, Type B silica gel, Kiselgel A etc..Because silica gel is thermosetting production, when mould is produced, cavity temperature 150~ 220 degree, and so mould fuse causes the solid hardly possible of sealing due to thermal expansion during production, when fuse is directly collided with mold high speed, very It is easily deformed and fracture.

Utility model content

This utility model is to overcome at least one defect described in above-mentioned prior art, there is provided a kind of anticollision is split and thermal expansion Silica gel mould, including fuse, screw and Ejector Retainer Plate, the bottom of the fuse be provided with screw, and the screw is step spiral shell Silk, the first ladder of the screw are connected with the fuse, and the second step of the screw is connected with the Ejector Retainer Plate, in institute State the inner side that the second step of screw contacted with the Ejector Retainer Plate and be additionally provided with shell fragment.When return after fuse ejecting product, bullet Piece can play extraordinary cushioning effect, and also when high temperature production, due to thermal expansion, product fuse can be elongated；Shell fragment can rise To downward and pulling force；Therefore fuse has good active force with Ejector Retainer Plate, and sealing effect is good.

Preferably, the shell fragment is high temperature shell fragment.Shell fragment has cushioning effect, when return after fuse ejecting product, Shell fragment can play extraordinary cushioning effect, and also when high temperature production, due to thermal expansion, product fuse can be elongated；Shell fragment meeting Play downward and pulling force；Therefore fuse has good active force with Ejector Retainer Plate, and sealing effect is good.

Compared with prior art, the beneficial effects of the utility model are：

This utility model is, by screw is set to step screw, and to be provided with shell fragment on the second step of screw, works as core After sub- ejecting product during return, shell fragment can play extraordinary cushioning effect, ensure that fuse will not be produced with mould strong Strong collision, namely protect the service life of fuse；Simultaneously when high temperature production, due to thermal expansion, product fuse can be elongated, this When shell fragment can be played downwards and pulling force according to the change of temperature, it is ensured that fuse has good active force with Ejector Retainer Plate, reaches Lift the effect of sealing.

Description of the drawings

Fig. 1 is structural representation of the present utility model；

Specific embodiment

This utility model is further described with reference to specific embodiment.Wherein, being for illustration only property of accompanying drawing Illustrate, expression is only schematic diagram, rather than pictorial diagram, it is impossible to be interpreted as the restriction to this patent；In order to this reality is better described With new embodiment, accompanying drawing some parts have omission, zoom in or out, and do not represent the size of actual product；To ability For field technique personnel, some known features and its explanation in accompanying drawing may be omitted and be will be understood by.

The corresponding same or analogous part of same or analogous label in the accompanying drawing of this utility model embodiment；In this practicality In new description, it is to be understood that if having term " on ", D score, the orientation of the instruction such as "left", "right" or position relationship be Based on orientation shown in the drawings or position relationship, it is for only for ease of description this utility model and simplifies description, rather than indicate Or imply that the device or element of indication must be with specific orientation, to retouch in specific azimuth configuration and operation, therefore accompanying drawing State term the being for illustration only property explanation of position relationship, it is impossible to be interpreted as the restriction to this patent, for the common skill of this area For art personnel, the concrete meaning of above-mentioned term can be understood as the case may be.

Embodiment

As shown in figure 1, the silica gel mould with thermal expansion, including fuse are split in a kind of anticollision of this utility model most preferred embodiment 2nd, screw 3 and Ejector Retainer Plate 1, the bottom of the fuse 2 are provided with screw 3, and the screw 3 is step screw, the screw 3 First ladder is connected with the fuse 2, and the second step of the screw 3 is connected with the Ejector Retainer Plate 1, in the screw 3 The inner side that second step is contacted with the Ejector Retainer Plate 1 is additionally provided with shell fragment 4.When return after fuse ejecting product, shell fragment can be with Extraordinary cushioning effect is played, also when high temperature production, due to thermal expansion, product fuse can be elongated；Shell fragment can be played downwards And pulling force；Therefore fuse has good active force with Ejector Retainer Plate, and sealing effect is good.

Preferably, the shell fragment 4 is high temperature shell fragment.Shell fragment has cushioning effect, when return after fuse ejecting product, Shell fragment can play extraordinary cushioning effect, and also when high temperature production, due to thermal expansion, product fuse can be elongated；Shell fragment meeting Play downward and pulling force；Therefore fuse has good active force with Ejector Retainer Plate, and sealing effect is good.

Compared with prior art, the beneficial effects of the utility model are：

This utility model is, by screw is set to step screw, and to be provided with shell fragment on the second step of screw, works as core After sub- ejecting product during return, shell fragment can play extraordinary cushioning effect, ensure that fuse will not be produced with mould strong Strong collision, namely protect the service life of fuse；Simultaneously when high temperature production, due to thermal expansion, product fuse can be elongated, this When shell fragment can be played downwards and pulling force according to the change of temperature, it is ensured that fuse has good active force with Ejector Retainer Plate, reaches Lift the effect of sealing.

Obviously, above-described embodiment of the present utility model is only intended to clearly illustrate this utility model example, and It is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, in described above On the basis of can also make other changes in different forms.There is no need to give to all of embodiment It is exhaustive.All any modification, equivalent and improvement made within spirit of the present utility model and principle etc., should be included in Within this utility model scope of the claims.

Claims (2)

1. the silica gel mould with thermal expansion is split in a kind of anticollision, it is characterised in that including fuse, screw and Ejector Retainer Plate, described The bottom of fuse is provided with screw, and the screw is step screw, and the first ladder of the screw is connected with the fuse, the spiral shell The second step of silk is connected with the Ejector Retainer Plate, and the inner side contacted with the Ejector Retainer Plate in the second step of the screw is also It is provided with shell fragment.

2. the silica gel mould with thermal expansion is split in anticollision according to claim 1, it is characterised in that the shell fragment is high temperature bullet Piece.