CN100500327C - Casting mold forming apparatus and metal mold unit for use therein - Google Patents
Casting mold forming apparatus and metal mold unit for use therein Download PDFInfo
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- CN100500327C CN100500327C CNB2005800088897A CN200580008889A CN100500327C CN 100500327 C CN100500327 C CN 100500327C CN B2005800088897 A CNB2005800088897 A CN B2005800088897A CN 200580008889 A CN200580008889 A CN 200580008889A CN 100500327 C CN100500327 C CN 100500327C
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Abstract
This invention relates to an apparatus for molding a mold by pressurizing a foam mixture composed of particles of aggregate, water-soluble binders, and water, and injecting it into a cavity of a heated metal mold. This invention provides an apparatus which can use a foam mixture effectively, can fill the cavity of the metal mold with enough of a foam mixture, and can shorten the time to harden the foam mixture. To achieve these effects, the apparatus for molding a mold is comprised of a hollow rectangular-parallelepiped body 12 having a bottom plate 14, the bottom plate 14 having an injection hole 13 to inject the foam mixture, a means 10 for containing the foam mixture having functions as a mixing bath to mix particles of aggregate, water-soluble binders, and water, and as a pressurized vessel to inject the foam mixture into a metal mold, and a means 22 for closing and opening the injection hole 13. The apparatus is further provided with any means or any combination of means for measuring a temperature of the particles of aggregate or the foam mixture, viscosity of the foam mixture, and moisture of the foam mixture. Further, the means 103 for communicating gases from the cavity of the metal mold to the outside of the mold so that the particles of aggregate cannot pass through it is disposed in the metal mold.
Description
Technical field
The present invention relates to a kind of foaming mixture that particle shape aggregate, water-soluble binder and water stirring are obtained and be pressed into mold styling apparatus and the use metal mould device thereon that in the metal die die cavity that is filled to heating mold is carried out moulding.
Background technology
In recent years, because more quick detachable after the casting, the binding agent that uses particle shape aggregate is as water-soluble binder morely, and the evaporation of moisture makes the water-soluble binder sclerosis during by heating, so that mold is carried out moulding.(referring to Patent Document 2)
A kind of mold styling apparatus that is used for the moulding of this kind mold includes: extended along the vertical direction cylinder, the plunger that can in this cylinder, move up and down, can make the cylinder lower ending opening carry out the gate of switch, said modules all is the liftable and common press-in devices that constituted, and this press-in device is pressed into metal die inside with fluid(ized)sand.And be connected to the agitator that obtains fluid(ized)sand on the opening that above-mentioned cylinder middle part is provided with.
In the existing mold styling apparatus of this kind, the middle part of cylinder also is provided with gate, changes by cylinder middle part and the gate of downside and the horizontal level of plunger, and the amount of the fluid(ized)sand that drops in cylinder also can change and fluid(ized)sand is pressed in the metal die.(referring to Patent Document 1)
In the existing mold styling apparatus of this kind formation, the fluid(ized)sand that drops in the cylinder can not well change along with the volume-variation of metal die die cavity, so be necessary in cylinder, to drop into fluid(ized)sand more than the volume deal of die cavity, but fluid(ized)sand remains in the cylinder after being pressed into die cavity, this residual fluid(ized)sand goes out of use, therefore, exist the waste problem of fluid(ized)sand.Simultaneously, also there is the problem that to guarantee the abundant filling of fluid(ized)sand in the die cavity.
Because using in the molding material foaming mixture of water-soluble binder as binding agent, this kind contain more water, the problem that exists it in metal mould device, to harden and to take a long time.
Summary of the invention
In order to solve the problem that exists in above-mentioned existing mold styling apparatus and the metal mould device, particle shape aggregate, water-soluble binder and water stirred the foaming mixture that obtains by the mold styling apparatus that mold is carried out moulding in the die cavity of metal die that is pressed into mode and is filled to heating, this mold styling apparatus comprises:
One board;
A plurality ofly be arranged on this board and the cylinder that can upwards extend;
Guide rod on four four angles that are arranged at this board respectively;
One is arranged at the crane between the piston rod upper end of above-mentioned a plurality of cylinders, this crane slidably and lifting on four above-mentioned guide rods;
Lower metal mould in the metal die that one level is cut apart, this lower metal mould is arranged on the upper surface of this crane;
Upper metal mould in the metal die that one level is cut apart, this upper metal mould is supported by four groups of supporting mechanisms that are arranged on the guide rod;
One is arranged at the upper frame between the upper end of above-mentioned four guide rods, and this upper frame extends along left and right directions;
Also be provided with in this mold styling apparatus and have tank diameter function that above-mentioned particle shape aggregate, water-soluble binder and water are stirred and said mixture is pressed into and it is carried out the mixture receiving system that is pressed into a function of splendid attire, this mixture receiving system is positioned on the lower right side position of this upper frame, this mixture receiving system comprises hollow upright side's body of one one-tenth straight cube and inner up/down perforation and hollow, its lower ending opening seals by base plate, penetrates on this base plate to be provided with the ejaculation hole of penetrating above-mentioned foaming mixture; With
The pin device that can seal above-mentioned ejaculation hole.
And, this mold styling apparatus has the device that the temperature of above-mentioned particle shape aggregate or above-mentioned foaming mixture is tested, and the device that the viscosity of above-mentioned foaming mixture is tested reaches in the device that the moisture of above-mentioned foaming mixture is tested at least a.
In order to address the above problem, the mold that stirs after use in the process that the foaming mixture that obtains carries out the mold moulding above-mentioned foaming mixture is filled with particle shape aggregate, water-soluble binder and water carries out in the metal mould device of moulding, gas can by but in the scope that can't pass through of above-mentioned particle shape aggregate, be provided with the communication apparatus that the inside and outside air of die cavity is connected.
In the mold styling apparatus of this kind formation, by pin device the ejaculation hole is closed, in the mixture receiving system, drop into particle shape aggregate, water-soluble binder and water more than the die cavity capacity, and stir and foam, after the stirring foaming end to it, the mixture receiving system is adjacent on the metal die of heating, then by being pressed into mode the mixture in the mixture receiving system is filled in the die cavity of metal die.Particle shape aggregate, water-soluble binder and the water followed in the mixture receiving system that next mold moulding is used stir foaming once more.
Simultaneously because this mold styling apparatus possesses the device that the temperature of above-mentioned particle shape aggregate or above-mentioned foaming mixture is tested, to at least a in the viscosity of above-mentioned foaming mixture device of testing and the device that the moisture of above-mentioned foaming mixture is tested, the temperature measuring apparatus of particle shape aggregate or above-mentioned foaming mixture is when temperature is too high, heating-up temperature is reduced, the viscosity of above-mentioned foaming mixture is crossed when hanging down, appending moisture by the moisture feedway mixes again, the moisture of foaming mixture is crossed when hanging down, append moisture by the moisture feedway and mix again, more abundant with the filling of the foaming mixture guaranteeing to fill in the die cavity.
The metal die of above-mentioned formation makes the steam that generates by foaming mixture in the heating die cavity be dispersed into the device outside by communication apparatus.
Because said structure, after in the blowhole die cavity, being pressed into the mixture in the mixture receiving system, can in the mixture receiving system, append particle shape aggregate, water-soluble binder and water and stir foaming, after being pressed into the die cavity of metal die thus, residual mixture can be used for the mold modeling process of next time in the mixture receiving system.There is no need mixture residual in the mixture receiving system to be discarded, therefore can realize the effect of effectively mixture being used as existing this kind mold styling apparatus.
Simultaneously because this mold styling apparatus possesses the device that the temperature of above-mentioned particle shape aggregate or above-mentioned foaming mixture is tested, to at least a in the viscosity of above-mentioned foaming mixture device of testing and the device that the moisture of above-mentioned foaming mixture is tested, the temperature measuring apparatus of particle shape aggregate or above-mentioned foaming mixture is when temperature is too high, heating-up temperature is reduced, the viscosity of above-mentioned foaming mixture is crossed when hanging down, appending moisture by the moisture feedway mixes again, the moisture of foaming mixture is crossed when hanging down, append moisture by the moisture feedway and mix again, more abundant with the filling of the foaming mixture guaranteeing to fill in the die cavity.
The mold that stirs after use in the process that the foaming mixture that obtains carries out the mold moulding above-mentioned foaming mixture is filled with particle shape aggregate, water-soluble binder and water carries out in the metal mould device of moulding, gas can by but in the scope that can't pass through of above-mentioned particle shape aggregate, be provided with the communication apparatus that the inside and outside air of die cavity is connected.
Because the steam that above structure makes the interior foaming mixture of die cavity generate is distributed to the outside by communication apparatus, the effect that the firm time of realization foaming shape mixture significantly shortens.
Description of drawings
Fig. 1 is mold styling apparatus most preferred embodiment part abridged front view among the present invention.
Fig. 2 is the action specification figure of Fig. 1, demonstration for the mixture in the mixture receiving system being pressed into the state in the metal die that level cuts apart.
Fig. 3 is the part abridged front view in the mold styling apparatus shown in one embodiment of the invention.
Fig. 4 is the oblique view of metal mould device most preferred embodiment among the present invention.
Fig. 5 is the oblique view of an embodiment of metal mould device among the present invention.
Fig. 6 is the zoomed-in view of A part among Fig. 5.
The specific embodiment
Below in conjunction with accompanying drawing the most preferred embodiment that is applicable to mold styling apparatus of the present invention is elaborated.
As shown in Figure 1 and Figure 2, in this mold styling apparatus, the board 1 of cubic is provided with two cylinders that make progress 2,2, and is respectively equipped with four guide rods 3,3 on four angles of above-mentioned board 1.The piston rod of above-mentioned two cylinders 2,2 has set up crane 4 between the upper end, crane 4 slidably and lifting on above-mentioned guide rod 3,3, the upper surface of crane 4 is provided with the lower metal mould 6 in the metal die 5 that level cuts apart.The level that is provided with directly over the lower metal mould 6 is cut apart the upper metal mould 7 of metal die 5, and this upper metal mould 7 is by being arranged on the guide rod 3, and the four groups of supporting mechanisms 8,8 that are positioned at above-mentioned lower metal mould 6 tops support.
Be provided with the upper frame 9 that extends along left and right directions between the upper end of above-mentioned four guide rods 3,3, the lower right side position of upper frame 9 is provided with as tank diameter and the mixture receiving system 10 that is pressed into tube, and it can realize move left and right by first chassis 11.Said mixture receiving system 10 comprises: straight cube and inner hollow upright side's body 12 and the base plate 14 that up/down perforation and hollow are arranged, wherein base plate 14 is arranged at the lower end of this hollow upright side's body 12 and with the closure of openings of its lower end, also penetrates on the base plate 14 and be provided with a plurality of ejaculations hole 13,13.These base plate 14 tops are the water-cooled structure, and the bottom is made of heat-insulating material.
The upper surface right positions place of above-mentioned upper frame 9 is provided with hybrid blade mechanism 15, and particle shape aggregate, water-soluble binder and water in 15 pairs of said mixture receiving systems of this hybrid blade mechanism 10 stir foaming.Hybrid blade 16 in the hybrid blade mechanism 15 is connected by transmission mechanism 18 on the output shaft of engine 17, and above-mentioned engine 17 is arranged on the holding components 20, holding components 20 lifting by the expanding-contracting action of the downward cylinder 19 on the upper frame 9.Holding components 20 is provided with the lid 21 with the upper end open sealing of said mixture receiving system 10, above-mentioned hybrid blade 16 and above-mentioned lid 21 lifting by the expanding-contracting action of said cylinder 19.
Be provided with the pin device 22 in the ejaculation hole 13,13 that can stop up said mixture receiving system 10 under the above-mentioned hybrid blade mechanism 15 on the above-mentioned upper frame 9.In the pin device 22, a plurality of bolts 23,23 that can debouch in the above-mentioned ejaculation hole 13,13 are arranged at the piston rod upper end of cylinder 25 upwards by support plate 24. Bolt 23,23 can move up and down by the expanding-contracting action of cylinder 25, and said cylinder 25 is installed on the upper frame 9 by holding components 26,26.And above-mentioned a plurality of bolts 23,23 can correlation portal and 13,13 clean by inserting above-mentioned ejaculation hole 13,13.
On the upper surface of above-mentioned upper frame 9, above-mentioned level cut apart metal die 5 directly over locate, be provided with the pressing mechanism 27 that the mixtures in the said mixture receiving system 10 are pushed and it is penetrated from the ejaculation hole 13,13 of said mixture receiving system 10.On the pressing mechanism 27, its piston 29 that is provided with a plurality of steam vents 28,28 of perforation can move up and down by the expanding-contracting action of downward cylinder 30.
The lower left side position of above-mentioned upper frame 9, the mold ejecting mechanism of mold being released from above-mentioned upper metal mould 7 inside 31 can pass through second chassis, 32 move left and right.In the mold ejecting mechanism 31, a plurality of mold knockout pins 33,33 are installed on the piston-rod lower end of downward cylinder 35 by head board 34, and above-mentioned mold knockout pin 33,33 can move up and down by the expanding-contracting action of said cylinder 35.
And can measure the particle shape aggregate in the mixture receiving system 10 or that it is outside or the temperature of foaming mixture by contact and contactless temperature measuring apparatus (figure does not show).
The viscosimeter that the viscosity of foaming mixture is tested (figure does not show) can be arranged in the mixture receiving system in 10 or its outside.This viscosimeter can be following several modes:
(1), test probe is forced: an end of bar-shaped probe is provided with spherical or columned part, and an end of this probe load (resistance) when being pressed into when inserting foaming mixture inside is measured, and then obtains the relative viscosity of foaming mixture.
(2), test probe is pressed into rotary: bar-shaped probe one end is provided with discoid or foliated part or parts, after mixing an end of this probe in the foaming mixture, the load (torque) that this probe rotation is generated and measure the relative viscosity of foaming mixture.
(3), test probe is rotary: bar-shaped probe one end is provided with spherical or columned part, the relative viscosity that the load (resistance/torque) that rotating probe was produced when an end of this probe was pressed in the foaming mixture is tested foaming mixture.
(4), observation viscosity formula: in the cylinder shape container of the peristome that is provided with go-no-go, add foaming mixture, observe by the speed that applies the foaming mixture that certain pressure flows out peristome to this foaming mixture obtaining its relative viscosity.
The viscosimetric analysis of this foaming mixture can be carried out continuously, also can carry out in batches.
The determination of moisture device (figure does not show) that the moisture of foaming mixture is measured can be arranged in the mixture receiving system 10, also can be arranged on the outside of mixture receiving system 10.This determination of moisture device has the mode of carrying out determination of moisture by to the resistance measurement of foaming mixture, and the heating loss mode that the weight that reduces by its water evaporates is carried out determination of moisture is also arranged by foaming mixture is heated.
The formative method that is used in this mold styling apparatus is described.As shown in Figure 1, after pin device 22 will penetrate the hole sealing by bolt 23,23, mixture receiving system 10 adds, for example say silica sand as particle shape aggregate, polyethylene alcohol and water as water-soluble binder after, the upper end open of mixture receiving system 10 is closed with covering 21.
By driving the engine 17 of hybrid blade mechanism 15, hybrid blade 16 rotates, and silica sand, polyethylene alcohol and water mix the mixture that stirring produces foaming.Then the cylinder 19 of hybrid blade 15 shrinks, and makes hybrid blade 16 and lid 21 rise, and the cylinder 25 of pin device 22 shrinks, and bolt 23,23 is extracted from penetrate hole 13,13, penetrates hole 13,13 and is opening-wide state.
As shown in Figure 2, cylinder 30 elongations of pressing mechanism 27, piston 29 descends, after air in the process that this piston 29 descends between piston 29 and the mixture is discharged by steam vent 28,28, the upper end open of steam vent 28,28 is closed by valve gear (figure does not show), mixtures in the mixture receiving system 10 are pushed, and in level is cut apart the die cavity of metal die 5, be pressed into mixture and fill.Level is cut apart the heat that the mixtures of filling in the metal die 5 cut apart metal die 5 by level to be made water evaporates and curing has taken place, mixture is filled to after level cuts apart in the metal die 5, cylinder 30 shrinks, piston 29 rises, mold ejecting mechanism 31 is by second chassis 32, mixture receiving system 10 moves respectively to the right by first chassis 11, mold ejecting mechanism 31 levels of getting back to cut apart metal die 5 directly over, mixture receiving system 10 get back to hybrid blade mechanism 15 under.
In the above-mentioned most preferred embodiment, the mixture level of entering that piston 29 extruding of pressurizing unit 27 mix in the receiving system 10 is cut apart metal die 5, but also is not limited thereto.As shown in Figure 3, the mode that is pressed into of using compressed air to be pressed into also can obtain same effect.That is to say in above-mentioned most preferred embodiment, be provided with the lid 42 that the upper end open of mixture receiving system 10 is carried out hermetic seal and is connected with compressed air source as substituting of cylinder 29, on the mixture of mixture receiving system 10 inside, supply with compressed air when mixture is pressed into and also be fine in level is cut apart metal die 5 in the lower end of the piston rod of the cylinder 43 of pressing mechanism 27.In this case, rabbling mechanism and compressed-air actuated pressing mechanism can also integrated setting.
In order to guarantee to use the quality of the mold that this mold moulding machine makes, be very important to the management control of this foaming mixture, describe with regard to this control method below:
Particle shape aggregate, water-soluble binder and water mix and the foaming mixture that comes is filled in the mode that is pressed in the die cavity of the metal die of heating and mold is carried out in the process of moulding, comprise for foaming mixture being transferred to the mixture control method that adopts for required product:
Temperature to foaming mixture is measured, and determines the step 1 of a reference value of the viscosity of this foaming mixture and moisture according to this measurement result;
To the viscosity of foaming mixture test and with step 1 in viscosity and a reference value of the moisture step 2 of comparing;
If in the step 2 result is compared under the no problem situation in back, to the moisture of foaming mixture test and with step 1 in viscosity and the step 2 that compares of a reference value of moisture;
It is no problem in the step 3 result to be compared the back, determines that it is the step 4 of required foaming mixture.
In the control method of this foaming mixture, under the viscosity that obtains in the step 2 situation different,, mixes once more the problem foaming mixture being arranged with a reference value.
In the control method of this foaming mixture, under the moisture that obtains in the step 3 situation different, add required moisture foaming mixture is mixed once more with a reference value.
And in the control method of this foaming mixture, the temperature of foaming mixture can adopt non-contacting mode to measure.
And in the control method of this foaming mixture, the viscosimetric analysis of foaming mixture can adopt that test probe is forced, test probe is rotary and test probe is pressed into rotary mensuration.
In the control method of this foaming mixture, the moisture of foaming mixture can be the mode that resistance is tested.
In the control method of this foaming mixture, the mensuration of the temperature of foaming mixture, viscosity and moisture can be taken out foaming mixture and be carried out in batches from mixer.
In the control method of this foaming mixture, the mensuration of the temperature of foaming mixture, viscosity and moisture can be carried out by sensor installation on mixer continuously.
Describe the preferred embodiment of the metal mould device that the present invention is suitable for below in detail according to Fig. 4.
As shown in Figure 4, level is cut apart in the bed die 111 of metal die, and the upper surface of die cavity 102 inboards and bed die 111 inside are provided with communication apparatus 103, and communication apparatus 103 makes die cavity 102 inner and outside UNICOMs.Communication apparatus 103 includes: be positioned to carve on the upper surface of die cavity 102 inboards and be provided with radial extended a plurality of ditches 104,104, the upper end is connected with this a plurality of ditches 104,104 and first intercommunicating pore 105 of above-mentioned bed die 111 up/down perforations, left end are connected with this first connection sky 105 and extend to second linked hole 106 that the right hand external side of above-mentioned bed die 111 is located.
This kind structure makes steam that the heating of the foaming mixtures in the die cavity 102 is generated shed to the outside by communication apparatus 103.
In the above-mentioned preferred embodiment, communication apparatus 103 comprises:
Be carved with a plurality of ditches 104,104 of radial extension on above-mentioned die cavity 102 inside upper surface,
The upper end is connected with a plurality of ditches 104,104 and makes above-mentioned first linked hole 105 of above-mentioned bed die 111 up/down perforations,
Left end is connected with this first intercommunicating pore 105 and extends to second intercommunicating pore 106 at the lateral surface place, right side of above-mentioned bed die.
But also be not limited thereto, for example shown in Figure 5, communication apparatus is filled gap between mouthpiece 107 and the above-mentioned mold 121 by the foaming shape mixtures that are used for filling-foam shape mixture in the above-mentioned mold of slow insertion 121, and perhaps the gap formation between the through hole (scheming not show) that connects of mold knockout pin (figure does not show) and this mold knockout pin also can reach same effect.
As shown in Figure 6, above-mentioned foaming shape mixture is filled in the mouthpiece 107, the outstanding flange 109,109 that is provided with in the upper end of body cylindraceous 108 outsides and middle part.When above-mentioned mold 121 is installed, form comparatively broad space between the body 108 of foaming mixture filling mouthpiece 107 and the mold 121.
The heat that this kind constitutes the metal die 121 of feasible heating is difficult to be delivered on the body 108 of foaming mixture filling mouthpiece 107, compares with metal die 121, and it is lower that the temperature of body 108 is provided with.The amount of body 8 inner foaming shape mixtures is compared with the amount of foaming mixing in the metal die 121, and the amount of body 8 inner foaming mixtures is fewer.Therefore, the temperature of body 108 is set to the temperature lower than metal pattern 121, the foaming mixture of the foaming mixture of body 108 inside and metal die 121 inside can be shown same speed greatly and harden, and has solved the problem of the foaming mixture over-heating of having only body 8 inside.
Claims (9)
1, a kind of foaming mixture of obtaining that particle shape aggregate, water-soluble binder and water are stirred is by the mold styling apparatus that mold is carried out moulding in the die cavity of metal die that is pressed into mode and is filled to heating, it is characterized by, this mold styling apparatus comprises:
One board;
A plurality ofly be arranged on this board and the cylinder that can upwards extend;
Guide rod on four four angles that are arranged at this board respectively;
One is arranged at the crane between the piston rod upper end of above-mentioned a plurality of cylinders, this crane slidably and lifting on four above-mentioned guide rods;
Lower metal mould in the metal die that one level is cut apart, this lower metal mould is arranged on the upper surface of this crane;
Upper metal mould in the metal die that one level is cut apart, this upper metal mould is supported by four groups of supporting mechanisms that are arranged on the guide rod;
One is arranged at the upper frame between the upper end of above-mentioned four guide rods, and this upper frame extends along left and right directions;
Also be provided with in this mold styling apparatus and have tank diameter function that above-mentioned particle shape aggregate, water-soluble binder and water are stirred and said mixture is pressed into and it is carried out the mixture receiving system that is pressed into a function of splendid attire, this mixture receiving system is positioned on the lower right side position of this upper frame, this mixture receiving system comprises hollow upright side's body of one one-tenth straight cube and inner up/down perforation and hollow, its lower ending opening seals by base plate, penetrates on this base plate to be provided with the ejaculation hole of penetrating above-mentioned foaming mixture; With
The pin device that can seal above-mentioned ejaculation hole.
2, mold styling apparatus according to claim 1 is characterized by, and this mold styling apparatus comprises device that the temperature of above-mentioned particle shape aggregate or above-mentioned foaming mixture is tested and the device that the moisture of above-mentioned foaming mixture is tested.
3, mold styling apparatus according to claim 2 is characterized by, and this mold styling apparatus comprises the device that the viscosity of above-mentioned foaming mixture is tested.
4, according to claim 2 or 3 described mold styling apparatus, it is characterized by, this device that temperature is tested is a contact or contactless, and its inside or outside at the said mixture receiving system is tested temperature.
5, mold styling apparatus according to claim 3 is characterized by, and above-mentioned viscosimeter is any one in the following kind,
The test probe that load when probe is pressed into above-mentioned foaming mixture is measured is forced,
The test probe that load when probe is rotated is measured is rotary,
The test probe that load when being rotated when probe is pressed into is measured is pressed into rotary,
To the observation viscosimetric analysis formula of under certain pressure, observing from the speed of go-no-go outflow.
6, mold styling apparatus according to claim 5 is characterized by, and this viscosity test device is arranged in the mixture receiving system or the outside.
7, mold styling apparatus according to claim 5 is characterized by, and this viscosity test device is continuous carries out viscosity measurement or measure in batches.
8, according to the mold styling apparatus of claim 2 or 3, it is characterized by, the determinator of above-mentioned moisture is the mode that resistance is tested, perhaps the heating loss mode of moisture being measured by the minimizing of heating the back weight that causes of water evaporates.
9, a kind of metal mould device that water-soluble binder is carried out the mold moulding that is used for the described mold styling apparatus of claim 1, it is characterized by, the mold that stirs after use in the process that the foaming mixture that obtains carries out the mold moulding above-mentioned foaming mixture is filled with particle shape aggregate, water-soluble binder and water carries out in the metal mould device of moulding, gas can by but in the scope that can't pass through of above-mentioned particle shape aggregate, be provided with the communication apparatus that the inside and outside air of die cavity is connected.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004083863 | 2004-03-23 | ||
| JP083863/2004 | 2004-03-23 | ||
| JP011507/2005 | 2005-01-19 |
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| CN1933927A CN1933927A (en) | 2007-03-21 |
| CN100500327C true CN100500327C (en) | 2009-06-17 |
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| CNB2005800088897A Active CN100500327C (en) | 2004-03-23 | 2005-03-22 | Casting mold forming apparatus and metal mold unit for use therein |
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| CN (1) | CN100500327C (en) |
| ES (1) | ES2357242T3 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5840082B2 (en) * | 2012-06-25 | 2016-01-06 | 新東工業株式会社 | Foam kneaded material molding apparatus and foam kneaded material molding method |
| JP5958966B2 (en) * | 2013-03-25 | 2016-08-02 | トヨタ自動車株式会社 | Molding apparatus and molding method |
| CN104874750B (en) * | 2015-06-10 | 2018-07-24 | 无锡市华佩机械制造有限公司 | A kind of lifting system for compacting of horizontal parting slip flask shoot-squeeze moulding machine |
| KR101604098B1 (en) * | 2015-06-15 | 2016-03-16 | (주)원종기계 | Apparatus for manufacturing inorganic binder core |
| JP6558858B2 (en) * | 2016-04-08 | 2019-08-14 | 新東工業株式会社 | Kneading mechanism, molding apparatus and method for producing foamed mixture |
| JP6822315B2 (en) * | 2017-05-19 | 2021-01-27 | 新東工業株式会社 | Molding equipment and molding method |
| JP6888527B2 (en) * | 2017-11-09 | 2021-06-16 | 新東工業株式会社 | Foam aggregate mixture for molds, molds, and methods for manufacturing molds |
| CN109968586A (en) * | 2019-05-05 | 2019-07-05 | 滁州益佳模具设备制造有限公司 | A kind of door of refrigerator foaming mould |
| CN112059154B (en) * | 2020-08-07 | 2021-10-29 | 安徽埃斯克制泵有限公司 | Self priming pump body sand casting shedder |
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2005
- 2005-03-22 CN CNB2005800088897A patent/CN100500327C/en active Active
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| ES2357242T3 (en) | 2011-04-20 |
| CN1933927A (en) | 2007-03-21 |
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