CN205217999U - Set up molten bath formula heat preservation stove of lid that keeps warm - Google Patents

Abstract

The utility model provides a set up molten bath formula heat preservation stove of lid that keeps warm, the heat preservation stove includes the furnace body, the lid closes the bell at the furnace body oral area, the lid closes the heat preservation lid on the bell, insert the inside stalk of furnace body, through installing the lid that keeps warm on the bell at the heat preservation stove additional, the bottom of this heat preservation lid set up with the burner gas intercommunicating pore of bell mutually just right burner gas the mouth lets in, make the inside of heat preservation lid be full of the burner gas in the molten bath, again with the stalk cover from keeping warm insert the molten bath in, the heating keeps warm to the aditus laryngis just can to realize utilizing the burner gas, above -mentioned technical scheme need not to set up solitary heating device, and the setting of the lid that keeps warm has not only realized waste heat reuse, reaches the energy saving and consumption reduction purpose, and the temperature of temperature and the metal liquid of burner gas is the same basically moreover, when heating the aditus laryngis for the temperature of aditus laryngis is the same with the temperature in molten bath, and the intraoral metal liquid of larynx is the same with metal liquid temperature in the molten bath, the state is the same, heating best effect.

Description

The melting pool type holding furnace of insulation cover is set

Technical field

The utility model relates to Low Pressure Casting Technology field, particularly relates to a kind of melting pool type holding furnace arranging insulation cover.

Background technology

Air injection machine is the common apparatus of the low pressure castings such as aluminium alloy, can be widely used in the casting field of the parts such as Al alloys andMg alloys, and air injection machine is made up of parts such as main frame, hydraulic system, melting pool type holding furnace, Liquid Level Pressure device, electric control systems.

Wherein melting pool type holding furnace of the prior art is movably arranged on below the surrounding column basic support platform of low-pressure machine, make holding furnace can movement automatically by adjustment, lifting, molten metal in stove is pressed in casting mold to be cast above holding furnace by the stalk inserted in holding furnace, during due to stalk insertion holding furnace, the end of stalk, the i.e. exposed outside at bell of the height of the about 150mm ~ 200mm of throat location, in the casting process of molten metal from holding furnace to casting mold, and casting mold is when solidifying pressurize, herein because of without Insulation, temperature declines very fast, so the aditus laryngis leaked outside becomes the position the most easily cooled, if do not take Insulation to ensure the temperature of molten metal herein, molten metal herein can very fast cooled and solidified, thus casting sprue position is blocked, cast cannot be continued produce.

In order to head it off, also some producers are had to carry out electrical heating or gas heating separately to aditus laryngis position, the temperature at aditus laryngis place is ensured with this, during electrical heating, need to be equipped with temperature control system and resistance wire, resistance wire belongs to consumable accessory, such cost is higher, gas heating heat affected zone is very large, and heating-up temperature is also uncontrollable, and implementation result is bad.

Summary of the invention

Be necessary to propose a kind of without the need to arrange separately, again can to aditus laryngis position carry out heating and thermal insulation, heat insulation effect preferably arranges the melting pool type holding furnace of insulation cover.

A kind of melting pool type holding furnace that insulation cover is set, comprise body of heater, cover the bell at body of heater oral area, cover the insulation cover on bell, insert the stalk of furnace interior, the molten bath that described body of heater comprises furnace wall and encircled a city by furnace wall, described bell and furnace wall opposing seal are fixed, furnace gas intercommunicating pore is offered in the centre position of bell, described insulation cover comprises insulation sidewall and insulation roof, described insulation roof is arranged on the top of insulation sidewall, and by the top seal of insulation sidewall, the insulation sidewall sealing of described insulation cover is fixed on the bell around furnace gas intercommunicating pore, the bottom of described insulation cover is offered furnace gas and is passed into mouth, the furnace gas intercommunicating pore that described furnace gas passes into mouth and bell faces, be communicated with the molten bath of body of heater to make insulation cover, fixed via is offered at the top of described insulation cover, described stalk seat is inserted in fixed via, inside into insulation cover is located in make stalk, described stalk comprises pipe shaft and aditus laryngis, stalk is inserted in stalk seat, stretch in the molten bath of body of heater to make pipe shaft, aditus laryngis falls in stalk seat.

Preferably, to pass into mouth identical with the opening diameter of the furnace gas intercommunicating pore of bell for the furnace gas of described insulation cover.

Preferably, the opening diameter of furnace gas intercommunicating pore of described bell is identical with the opening diameter in the molten bath of body of heater.

Preferably, the fixed via that described insulation cover top is offered is at least one, and at least one stalk seat inserts in described fixed via, and at least one stalk inserts in described stalk seat.

Preferably, the fixed via that described insulation cover top is offered is two, and two stalk seats are separately positioned in two fixed vias, and two stalks insert in two stalk seats respectively.

The bottom of insulation cover of the present utility model is offered the furnace gas faced with the furnace gas intercommunicating pore of bell and is passed into mouth, and the furnace gas intercommunicating pore of bell is communicated with the molten bath in body of heater, then insulation cover is communicated with the molten bath of body of heater, the inside of insulation cover is made to be filled with furnace gas in molten bath, the fixed via installing stalk seat is offered at the top of insulation cover, stalk inserts stalk seat, stalk seat inserts in the fixed via at insulation cover top, so, the aditus laryngis of stalk is wrapped by stalk seat, the fixed via of stalk seat insulation tops wraps, the aditus laryngis achieving stalk does not only expose, and be positioned at the inside of insulation cover.

Technique scheme is without the need to arranging independent heater, the setting of insulation cover utilizes the heat of furnace gas self and temperature to heat the aditus laryngis of stalk, not only achieve waste heat recycling, reach energy-saving and cost-reducing object, and the temperature of furnace gas is substantially identical with the temperature of molten metal, when heating aditus laryngis, make the temperature of aditus laryngis identical with the temperature in molten bath, molten metal in aditus laryngis is identical with the molten metal temperature in molten bath, state is identical, and heating effect is best.

Accompanying drawing explanation

Fig. 1 is the structural representation of the melting pool type holding furnace arranging insulation cover.

Fig. 2 is the structural representation of described insulation cover.

Fig. 3 is the structural representation of the another kind of embodiment of described insulation cover.

Fig. 4 is the structural representation of melting pool type holding furnace of the prior art.

In figure: the melting pool type holding furnace 1 of insulation cover, body of heater 11, furnace wall 111, molten bath 112, bell 12, insulation cover 13, insulation sidewall 131, insulation roof 132, stalk seat 133, stalk 14, pipe shaft 141, aditus laryngis 142 are set.

Detailed description of the invention

Below in conjunction with accompanying drawing, the technical solution of the utility model and implementation result thereof are described further.

See Fig. 1 to Fig. 3, the melting pool type holding furnace 1 arranging insulation cover comprises body of heater 11, cover the bell 12 at body of heater 11 oral area, cover the insulation cover 13 on bell 12, insert the stalk 14 of body of heater 11 inside, the molten bath 112 that body of heater 11 comprises furnace wall 111 and encircled a city by furnace wall 111, bell 12 and furnace wall 111 opposing seal are fixed, furnace gas intercommunicating pore is offered in the centre position of bell 12, insulation cover 13 comprises insulation sidewall 131 and insulation roof 132, insulation roof 132 is arranged on the top of insulation sidewall 131, and by the top seal of insulation sidewall 131, the sealing of insulation sidewall 131 is fixed on the bell 12 around furnace gas intercommunicating pore, the bottom of insulation cover 13 is offered furnace gas and is passed into mouth, the furnace gas intercommunicating pore that furnace gas passes into mouth and bell 12 faces, be communicated with the molten bath 112 of body of heater 11 to make insulation cover 13, fixed via is offered at the top of insulation cover 13, stalk seat 133 is inserted in fixed via, with the inside making stalk seat 133 fall into insulation cover 13, stalk seat 133 carries out stop bit to direction in stove, open type in the other direction, to install stalk 14, seal between stalk seat 133 and insulation cover 13, stalk 14 comprises pipe shaft 141 and aditus laryngis 142, stalk 14 is inserted in stalk seat 133, stretch in the molten bath 112 of body of heater 11 to make pipe shaft 141, aditus laryngis 142 falls in stalk seat 133.

See Fig. 4, be compared to holding furnace of the prior art, bell 12 in the technical program is also provided with insulation cover 13, this insulation cover 13 is in house shape, stalk seat 133 and aditus laryngis 142 are wrapped in the inside of insulation cover 13, stalk seat 133 and aditus laryngis 142 are in the furnace gas atmosphere be communicated with molten bath 112, thus are stalk seat 133 and aditus laryngis 142 heating and thermal insulation by furnace gas.

Wherein, to pass into mouth identical with the opening diameter of the furnace gas intercommunicating pore of bell 12 for the furnace gas of insulation cover 13.Without any barrier structure between insulation cover 13 like this and bell 12, be convenient to the inside that furnace gas is full of insulation cover 13.

Further, the opening diameter of the furnace gas intercommunicating pore of bell 12 is identical with the opening diameter in the molten bath 112 of body of heater 11.Now, the molten bath 112 of body of heater 11 is directly communicated with between insulation cover 13, bell 12 just plays the effect will be sealedly and fixedly connected between insulation cover 13 and body of heater 11, the inside of insulation cover 13 and molten bath 112 form a through space, furnace gas is full of whole space, the temperature of the furnace gas in space is more even, make the temperature of the furnace gas in insulation cover 13 substantially identical with the temperature of molten metal, so the temperature at aditus laryngis 142 position is also substantially identical with the temperature of molten metal, and then the molten metal of aditus laryngis 142 inside is substantially identical with the temperature of the molten metal of inside, molten bath 112.

Certainly, the furnace gas of insulation cover 13 passes into the opening shape of mouth can be identical with the opening shape of the furnace gas intercommunicating pore of bell 12, and the overall structure of insulation cover 13 can pass into the opening shape of mouth along with furnace gas and change, the structure of such as insulation cover 13 can be Long Circle house shape, square house shape, circular house shape, as long as the furnace gas intercommunicating pore making the furnace gas of insulation cover 13 pass into mouth and bell 12 faces, insulation cover 13 seals fixing with bell 12.

Further, the fixed via that insulation cover 13 top is offered is at least one, at least one stalk seat 133 inserts in fixed via, at least one stalk 14 inserts in stalk seat 133, such as, it can be two, three or more, when the fixed via offered when insulation cover 13 top is two, two stalk seats 133 are separately positioned in two fixed vias, and two stalks 14 insert in two stalk seats 133 respectively.

When holding furnace 1 needs two stalks, 14 liters of liquid, insulation cover 13 also selects the insulation cover 13 arranging two fixed vias to coordinate with it, two stalk seats 133 and two stalks 14 are placed in two fixed vias, above each stalk 14, two cast gates of the foundry goods of corresponding cast, can produce situation as a trial and determine herein, so, two foundry goods can be poured into a mould simultaneously, enhance productivity, disposal pouring, can also improve between multiple foundry goods or the uniformity of the internal structure of a foundry goods.

When using the insulation cover 13 arranging two fixed vias to produce, also can by corresponding with the cast gate of casting mold for of insulation cover 13 fixed via, now, by another fixed via shutoff, without the need to changing the insulation cover 13 arranging a fixed via, convenient, convenient.

Claims (5)

1. one kind arranges the melting pool type holding furnace of insulation cover, it is characterized in that: comprise body of heater, cover the bell at body of heater oral area, cover the insulation cover on bell, insert the stalk of furnace interior, the molten bath that described body of heater comprises furnace wall and encircled a city by furnace wall, described bell and furnace wall opposing seal are fixed, furnace gas intercommunicating pore is offered in the centre position of bell, described insulation cover comprises insulation sidewall and insulation roof, described insulation roof is arranged on the top of insulation sidewall, and by the top seal of insulation sidewall, the insulation sidewall sealing of described insulation cover is fixed on the bell around furnace gas intercommunicating pore, the bottom of described insulation cover is offered furnace gas and is passed into mouth, the furnace gas intercommunicating pore that described furnace gas passes into mouth and bell faces, be communicated with the molten bath of body of heater to make insulation cover, fixed via is offered at the top of described insulation cover, described stalk seat is inserted in fixed via, inside into insulation cover is located in make stalk, described stalk comprises pipe shaft and aditus laryngis, stalk is inserted in stalk seat, stretch in the molten bath of body of heater to make pipe shaft, aditus laryngis falls in stalk seat.

2. the melting pool type holding furnace of insulation cover is set as claimed in claim 1, it is characterized in that: it is identical with the opening diameter of the furnace gas intercommunicating pore of bell that the furnace gas of described insulation cover passes into mouth.

3. the melting pool type holding furnace of insulation cover is set as claimed in claim 2, it is characterized in that: the opening diameter of furnace gas intercommunicating pore of described bell is identical with the opening diameter in the molten bath of body of heater.

4. the melting pool type holding furnace of insulation cover is set as claimed in claim 3, it is characterized in that: the fixed via that described insulation cover top is offered is at least one, at least one stalk seat inserts in described fixed via, and at least one stalk inserts in described stalk seat.

5. the melting pool type holding furnace of insulation cover is set as claimed in claim 4, it is characterized in that: the fixed via that described insulation cover top is offered is two, two stalk seats are separately positioned in two fixed vias, and two stalks insert in two stalk seats respectively.