CN206170617U - Blowing needle that can revise by oneself - Google Patents

Abstract

The utility model relates to a blowing needle that can revise by oneself, including blowing needle, shell fragment, briquetting and bottom plate, the bottom of blowing needle syringe needle is equipped with the shell fragment, the bottom of shell fragment is equipped with the briquetting, the briquetting shell fragment and blowing needle establish the inside of bottom plate. The utility model discloses a set up the shell fragment through the bottom with the blowing needle syringe needle, when blowing needle withdraw from blow off the product after during the return, the shell fragment can play very good cushioning effect, has guaranteed that blowing needle can not carry out direct impact with the mould briquetting, has protected blowing needle 's structure and normal use size, when high temperature was produced, because the thermal energy, blowing needle 's firm material can be elongated simultaneously, and at this moment the shell fragment can play the ascending limit that pushes away, reaches to promote and seal the effect of gluing.

Description

A kind of blowing needle that can voluntarily correct

Technical field

This utility model is related to silica gel mould equipment technical field, and in particular to a kind of air blowing that can voluntarily correct Pin.

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 is 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 core rod causes the solid hardly possible of sealing due to thermal expansion during production, when blowing needle is directly collided with mold high speed, hold very much Yielding and fracture.

Utility model content

This utility model is to overcome at least one defect described in above-mentioned prior art, there is provided it is a kind of can voluntarily correct blow Air tube, including blowing needle, shell fragment, briquetting and base plate, the bottom of the blowing needle syringe needle is provided with the shell fragment, the shell fragment Bottom is provided with briquetting, and the briquetting, the shell fragment and blowing needle are located at the inside of the base plate.This utility model is by inciting somebody to action The bottom of blowing needle syringe needle arranges shell fragment, and when return after blowing needle exits blowout product, shell fragment can play extraordinary slow Punching is acted on, it is ensured that blowing needle will not carry out direct collision with mould briquetting, protect the structure of blowing needle and normally use Size；Simultaneously when high temperature production, due to thermal expansion, the firm material of blowing needle can be elongated, at this moment shell fragment can play upwards push away side, Reach the effect for lifting sealing.

Preferably, the shell fragment is high temperature shell fragment.The shell fragment when high temperature production, due to thermal expansion, blowing needle it is firm Material can be elongated, and at this moment shell fragment can play the effect for pushing away side, reaching lifting sealing upwards.

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

This utility model is to arrange shell fragment by the bottom by blowing needle syringe needle, return after blowing needle exits blowout product When, shell fragment can play extraordinary cushioning effect, it is ensured that blowing needle will not carry out direct collision with mould briquetting, protect The structure of blowing needle and normally use size；Simultaneously when high temperature production, due to thermal expansion, the firm material of blowing needle can be elongated, At this moment shell fragment can play the effect for pushing away side, reaching lifting sealing upwards.

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 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 indicates 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 Term the being for illustration only property explanation of position relationship is stated, 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 as the case may be understood.

Embodiment

As shown in figure 1, a kind of blowing needle that can voluntarily correct of this utility model most preferred embodiment, including blowing needle 4, bullet Piece 3, briquetting 2 and base plate 1, the bottom of the syringe needle of the blowing needle 4 is provided with the shell fragment 3, and the bottom of the shell fragment 3 is provided with briquetting 2, the briquetting 1, the shell fragment 3 and blowing needle 4 are located at the inside of the base plate 1.This utility model is by by blowing needle The bottom of syringe needle arranges shell fragment, and when return after blowing needle exits blowout product, shell fragment can play extraordinary cushioning effect, Ensure that blowing needle will not carry out direct collision with mould briquetting, protect the structure of blowing needle and normally use size；Together When high temperature production, due to thermal expansion, the firm material of blowing needle can be elongated, at this moment shell fragment can play upwards push away side, reach and carry Rise the effect of sealing.

Preferably, the shell fragment 3 is high temperature shell fragment.The shell fragment when high temperature production, due to thermal expansion, blowing needle it is firm Material can be elongated, and at this moment shell fragment can play the effect for pushing away side, reaching lifting sealing upwards.

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

This utility model is to arrange shell fragment by the bottom by blowing needle syringe needle, return after blowing needle exits blowout product When, shell fragment can play extraordinary cushioning effect, it is ensured that blowing needle will not carry out direct collision with mould briquetting, protect The structure of blowing needle and normally use size；Simultaneously when high temperature production, due to thermal expansion, the firm material of blowing needle can be elongated, At this moment shell fragment can play the effect for pushing away side, reaching lifting sealing upwards.

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 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. a kind of blowing needle that can voluntarily correct, it is characterised in that including blowing needle, shell fragment, briquetting and base plate, the air blowing The bottom of pin syringe needle is provided with the shell fragment, and the bottom of the shell fragment is provided with briquetting, and the briquetting, the shell fragment and blowing needle set In the inside of the base plate.

2. the blowing needle that can voluntarily correct according to claim 1, it is characterised in that the shell fragment is high temperature shell fragment.