CN209210622U - A kind of graphite jig of foam glass production - Google Patents

Abstract

The utility model belongs to graphite applied technical field, more particularly to a kind of graphite jig of foam glass production.The graphite jig that the utility model discloses a kind of foam glass production includes using die body, mode and die cap made of graphite.Mode activity is dismantled in die body, and demoulding efficiency can be improved, can also expand the scope of application of the utility model.Die body, mode, die cap, buffer board are all made of graphite and are made simultaneously, so that mold is had the good physical characteristic of graphite itself, effectively improve the production efficiency of foam glass.And relief hole, stomata, the mould core structure of the utility model setting effectively can be easy the problem of deforming due to the bulbs of pressure by foam glass by existing mold, improve the yield of foam glass production.

Description

A kind of graphite jig of foam glass production

Technical field

The utility model belongs to graphite applied technical field, more particularly to a kind of graphite mo(u)ld of foam glass production Tool.

Background technique

Foam glass is the outstanding fire prevention of one kind, waterproof, heat preservation, acoustic material.Currently, most foams glass production is looked forward to Using " two-step method " production technology, feature is by means of mold to be foamed foam glass batch in foaming kiln industry Afterwards, by mould removal outside foaming kiln, the blank after demoulding, which is re-fed into annealing kiln, anneals.

Since two-step process is there is large labor intensity, heat waste is big, produces the problems such as discontinuous, unstable, There is enterprise to start using more coherent compact technique --- " one-step method " technique with the continuous foamed annealing of mold, the technique is to mould More stringent requirements are proposed for tool.If still using " Unitary Foam Glass Foamed Mould ", when being cooled down after firing, metal die Shrinkage ratio inside foam glass contraction it is big, with the reduction of temperature, foam glass generates contact pressure to mold, due to Stress increases and contact resistance power increases, and this stress will be difficult to eliminate, if this stress does not discharge, stress is constantly long-pending It stores, foam glass will receive stress and rupture.

And die industry develops rapidly in recent years simultaneously, graphite material, new process and ever-increasing Die & Mould Manufacture constantly rush Hit Die & Mould Market, graphite is to be increasingly becoming the head of Mold Making with the good physical and chemical properties such as high temperature resistant, heat transfer Material selection, and it is widely used as glass mold material.

How the mold of a graphite material that suitable for foam glass uses is constructed using the characteristic of graphite material itself, Also at prior art problem to be solved.

Utility model content

Purpose of the utility model is to overcome the above-mentioned shortcomings and provide a kind of graphite jigs of foam glass production.

To achieve the above object, the utility model is achieved through the following technical solutions above-mentioned purpose: a kind of foam glass is raw The graphite jig of production, including using die body, mode and die cap made of graphite.The die body is the cabinet shape of opening upwards Shape, mode are just installed in die body.The mode includes the first side wall, the second side for distinguishing parallel and symmetrical setting two-by-two Wall；It is respectively provided with a buffer board in the first side wall, bolster is connected between buffer board and the first side wall；The buffer board is wide Degree, height are equal with the first side wall, and buffer board slides on inside mode；The buffer board is made of graphite.Described Several relief holes are furnished on two side walls；The stomata communicated corresponding with relief hole is furnished on close to the die body side wall of second sidewall.Institute It states second sidewall, buffer board to be inclined outwardly from bottom to top respectively, keeps mode inner cavity inverted pyramidal at one.The die body upper end An annular convex platform is equipped on the inside of face；The die cap be arranged below with the matched annular flange of annular convex platform, so that die cap is just covered conjunction On die body；The die cap is equipped with sprue gate and overfall.

The thermal expansion coefficient of graphite itself is small, and is resistant to the variation of rapid heat cycle, has extremely strong conduction heat transfer performance, As foam glass mold, foam glass cooling after molding, the efficiency for effectively improving quenching demoulding may help to.And use stone Mold made of ink, any surface finish, foam glass demoulding of being more convenient for.The main component of the utility model: die body, mode, die cap, Buffer board is all made of graphite and is made, and so that mold is had the good physical characteristic of graphite itself, effectively improves the production of foam glass Efficiency.

Mode matches setting with die body, replaces mode according to demand convenient for mold, saves other components of mold, improves this The scope of application of utility model.

Mode, which is provided with buffer board and bolster, can play buffering pressure release work in foam glass moulding by casting, quenching demoulding With, it reduces mold and is deformed due to the bulbs of pressure by foam glass, the yield of raising foam glass production.

It is more firm that annular convex platform and annular flange can be such that die body connect with die cap, while reducing outside air and entering mode It is interior, foam glass production is impacted.

The second sidewall of mode, buffer board are obliquely installed, and can be convenient for foam glass stripping operation after molding.

Preferably, the stomata is inclined outwardly setting from bottom to top.The structure can reduce foam glass liquid in casting process Body is overflowed by relief hole, stomata.

Preferably, the first side wall and die body bottom wall are perpendicular, and the outside of buffer board and die body bottom wall are perpendicular；It is described Bolster is buffer spring, and buffer spring has several, is uniformly connected between buffer board and the first side wall.The first side wall and slow It is arranged in parallel outside punching, is convenient for each bolster (buffer spring) uniform stressed, avoids buffer board by the swollen of foam glass Swelling pressure power and deform.

Preferably, the mode inner wall, buffer board the inside are coated with an anti oxidation layer.Anti oxidation layer can effectively reduce graphite It is aoxidized when the Reusability of surface layer, the service life of graphite jig can be improved.

Preferably, the anti oxidation layer is silicon carbide film layer.

Preferably, the relief hole aperture is less than 3.0mm；80-95mm is divided between adjacent relief hole.The structure can make Relief hole has good relieving characteristics, and reduces the leakage of foam glass raw material.

Preferably, the interval between several relief holes gradually decreasees from top to bottom.The structure is conducive to foam glass Raw material enters mold and is heated evenly early period, and the quenching in later period, which cools down, to be synchronized.

Preferably, the buffer spring normality length is 120mm-210mm.

Preferably, it is fixedly connected between the annular convex platform and annular flange by fastener, it is ensured that die body and die cap connect It connects more firm.

Preferably, the longitudinal section of the annular convex platform is trapezoidal shape, and length is less than following length above the annular convex platform. The structure is convenient for die cap and die body installation, disassembly.

By using above-mentioned technical proposal, the beneficial effects of the utility model are: the utility model discloses a kind of foam glass The graphite jig of glass production includes using die body, mode and die cap made of graphite.Mode activity is dismantled in die body, can be improved Demoulding efficiency can also expand the scope of application of the utility model.Die body, mode, die cap, buffer board are all made of graphite system simultaneously At, make mold have the good physical characteristic of graphite itself, effectively improve the production efficiency of foam glass.And the utility model The relief hole of setting, stomata, mould core structure effectively existing mold can be easy to deform due to the bulbs of pressure by foam glass Problem improves the yield of foam glass production.

Detailed description of the invention

Fig. 1 is schematic diagram of the die body of the utility model in conjunction with mode；

Fig. 2 the utility model structure sectional view (in Fig. 1 AA to) schematic diagram；

Fig. 3 the utility model structure sectional view (in Fig. 1 BB to) schematic diagram.

Description of symbols: (1, die body；11, stomata；12, annular convex platform；2, mode；21, the first side wall；22, second side Wall；23, buffer board；24, bolster；25, relief hole；26, anti oxidation layer；3, die cap；31, annular flange；4, fastener；32, Sprue gate；33, overfall).

Specific embodiment

It is clear to be more clear the technical solution of the utility model, with reference to the accompanying drawings and detailed description to this reality It is described in further detail with novel.

As shown in Figure 1-3, a kind of graphite jig of foam glass production, including using die body 1, mode made of graphite 2 and die cap 3.

The die body 1 is the box shape of opening upwards, and mode 2 is just installed in die body 1.Mode 2 is matched with die body 1 Setting, replaces mode 2 according to demand convenient for mold, saves other components of mold, improve the scope of application of the utility model.

The mode 2 includes the first side wall 21, the second sidewall 22 for distinguishing parallel and symmetrical setting two-by-two；First side It is respectively provided with a buffer board 23 in wall 21, bolster 24 is connected between buffer board 23 and the first side wall 21；The buffer board 23 is wide Degree, height are equal with the first side wall 21, and buffer board 23 slides on inside mode 3；The buffer board 23 is made of graphite. Mode 3 is provided with buffer board 23 and bolster 24 can play the role of buffering pressure release in foam glass moulding by casting, quenching demoulding, It reduces mold to deform due to the bulbs of pressure by foam glass, improves the yield of foam glass production.The second sidewall 22 is delayed Punching 23 is inclined outwardly from bottom to top respectively, keeps 3 inner cavity of mode inverted pyramidal at one.

The first side wall 21 and 1 bottom wall of die body are perpendicular, and the outside of buffer board 23 and 1 bottom wall of die body are perpendicular；It is described Bolster 24 is buffer spring, and buffer spring has several, is uniformly connected between buffer board 23 and the first side wall 21.It is described slow Rushing spring normality length is 120mm-210mm.It is arranged in parallel outside the first side wall 21 and buffer board 23, is convenient for each bolster 24(buffer spring) uniform stressed, avoid buffer board 23 from being deformed by the bulbs of pressure of foam glass.The second sidewall of mode 2 22, buffer board 23 is obliquely installed, and can be convenient for foam glass stripping operation after molding.

Several relief holes 25 are furnished in the second sidewall 22；It is furnished with and lets out on close to 1 side wall of die body of second sidewall 22 The corresponding stomata 11 communicated in pressure hole 25.The stomata 11 is inclined outwardly setting from bottom to top.The structure can be reduced in casting process Foam glass liquid is overflowed by relief hole 25, stomata 11.

25 aperture of relief hole is less than 3.0mm；80-95mm is divided between adjacent relief hole 25.The structure can make to let out It presses hole 25 that there are good relieving characteristics, and reduces the leakage of foam glass raw material.Interval between several relief holes 25 by It is gradually reduced under.The structure is conducive to foam glass raw material and enters mold to be heated evenly early period, and the quenching cooling in later period is same Step.

An annular convex platform 12 is equipped on the inside of 1 upper surface of die body；The die cap 3 is arranged below to be matched with annular convex platform 12 Annular flange 31, make die cap 3 just cover conjunction on die body 1.Annular convex platform 12 and annular flange 31 can make die body 1 and die cap 3 connections are more firm, while reducing outside air and entering in mode 2, impact to foam glass production.The annular convex platform It is fixedly connected between 12 and annular flange 31 by fastener 4, it is ensured that die body 1 connect more firm with die cap 3.The annular convex platform 12 longitudinal section is trapezoidal shape, and length is less than following length to the annular convex platform 12 above.

The die cap 3 is equipped with sprue gate 32 and overfall 33.

The thermal expansion coefficient of graphite itself is small, and is resistant to the variation of rapid heat cycle, has extremely strong conduction heat transfer performance, As foam glass mold, foam glass cooling after molding, the efficiency for effectively improving quenching demoulding may help to.And use stone Mold made of ink, any surface finish, foam glass demoulding of being more convenient for.The main component of the utility model: die body 1, mode 2, mould Lid 3, buffer board 23 are all made of graphite and are made, and so that mold is had the good physical characteristic of graphite itself, effectively improve foam glass Production efficiency.

2 inner wall of mode, 23 the inside of buffer board are coated with an anti oxidation layer 26.Anti oxidation layer can effectively reduce graphite table It is aoxidized when layer Reusability, the service life of graphite jig can be improved.The anti oxidation layer 26 is silicon carbide film layer.

Certainly, the utility model can also have other various embodiments, without departing substantially from the spirit of the present invention and its essence In the case of, those skilled in the art can make various corresponding changes and modifications, but these phases according to the utility model The change and modification answered all should belong to the protection scope of the utility model the attached claims.

Claims (10)

1. a kind of graphite jig of foam glass production, it is characterised in that: including using die body, mode and mould made of graphite Lid；The die body is the box shape of opening upwards, and mode is just installed in die body；The mode includes parallel respectively two-by-two And symmetrically arranged the first side wall, second sidewall；Be respectively provided with a buffer board in the first side wall, buffer board and the first side wall it Between be connected with bolster；The buffering board width, height are equal with the first side wall, and buffer board slides on inside mode；Institute Buffer board is stated to be made of graphite；Several relief holes are furnished in the second sidewall；Cloth on close to the die body side wall of second sidewall There is the stomata communicated corresponding with relief hole；The second sidewall, buffer board are inclined outwardly from bottom to top respectively, make mode inner cavity at One is inverted pyramidal；An annular convex platform is equipped on the inside of the die body upper surface；The die cap is arranged below and annular convex platform The annular flange matched makes die cap just cover conjunction on die body；The die cap is equipped with sprue gate and overfall.

2. a kind of graphite jig of foam glass production according to claim 1, it is characterised in that: the stomata is under It is inclined outwardly setting upwards.

3. a kind of graphite jig of foam glass production according to claim 1, it is characterised in that: the first side wall Perpendicular with die body bottom wall, the outside of buffer board and die body bottom wall are perpendicular；The bolster is buffer spring, and buffer spring has Several, are uniformly connected between buffer board and the first side wall.

4. a kind of graphite jig of foam glass production according to claim 1, it is characterised in that: in the mode An anti oxidation layer is coated with inside wall, buffer board.

5. a kind of graphite jig of foam glass production according to claim 4, it is characterised in that: the anti oxidation layer For silicon carbide film layer.

6. a kind of graphite jig of foam glass production according to claim 1, it is characterised in that: the relief hole hole Diameter is less than 3.0mm；80-95mm is divided between adjacent relief hole.

7. a kind of graphite jig of foam glass production according to claim 6, it is characterised in that: several pressure releases Interval between hole gradually decreasees from top to bottom.

8. a kind of graphite jig of foam glass production according to claim 3, it is characterised in that: the buffer spring Normality length is 120mm-210mm.

9. a kind of graphite jig of foam glass production according to claim 1, it is characterised in that: the annular convex platform It is fixedly connected between annular flange by fastener.

10. a kind of graphite jig of foam glass production according to claim 1, it is characterised in that: the convex annular The longitudinal section of platform is trapezoidal shape, and length is less than following length above the annular convex platform.