CN101578146A - Molding machine and molding method - Google Patents

Molding machine and molding method Download PDF

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Publication number
CN101578146A
CN101578146A CNA2007800497794A CN200780049779A CN101578146A CN 101578146 A CN101578146 A CN 101578146A CN A2007800497794 A CNA2007800497794 A CN A2007800497794A CN 200780049779 A CN200780049779 A CN 200780049779A CN 101578146 A CN101578146 A CN 101578146A
Authority
CN
China
Prior art keywords
match plate
drag box
cope
styling apparatus
casting mold
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CNA2007800497794A
Other languages
Chinese (zh)
Inventor
平田实
小宫山贵之
大矢英彦
酒井毅
坂口功一
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sintokogio Ltd
Original Assignee
Sintokogio Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sintokogio Ltd filed Critical Sintokogio Ltd
Publication of CN101578146A publication Critical patent/CN101578146A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C9/00Moulds or cores; Moulding processes
    • B22C9/02Sand moulds or like moulds for shaped castings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C11/00Moulding machines characterised by the relative arrangement of the parts of same
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C15/00Moulding machines characterised by the compacting mechanism; Accessories therefor
    • B22C15/02Compacting by pressing devices only
    • B22C15/08Compacting by pressing devices only involving pneumatic or hydraulic mechanisms
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C21/00Flasks; Accessories therefor
    • B22C21/02Sectional flasks, i.e. with divided, articulated, or interchangeable side sections

Abstract

Disclosed is a molding method for separating a cope flask and a drag flask from a match plate at the same time. The method comprises the steps of: holding the match plate between the cope and drag flasks; inserting an upper squeeze member and a lower squeeze member into openings of the cope and drag flasks, which are opposed to the match plate, to define an upper molding space and a lower molding space, respectively; filling the defined molding space with molding sand; and driving the upper and lower squeeze members toward the match plate to squeeze the molding sand within the upper and lower molding space to mold an upper mold and a lower mold at the same time. The cope and drag flasks that are included within the molded upper and lower molds are forcibly pushed away from the match plate at the same time when the flasks are stationary.

Description

Styling apparatus and formative method
Technical field
The present invention relates to a kind of styling apparatus and formative method, particularly relate to the formative method of a kind of match plate molding device and a kind of employing one match plate.
Background technology
WO2005/058528 A1 discloses a kind of traditional double face die plate styling apparatus that is used for the upper casting mold and lower casting mold of moulding simultaneously.In this styling apparatus, at first, clamping one match plate between a cope and a drag box.Then by sandbox with this match plate opening opposing up and down extruded member insert corresponding sandbox, to determine space design up and down.Then molding sand is inserted the space design that this is determined.Then extruded member moves to this match plate up and down, comes the moulding upper casting mold and lower casting mold with extruding molding sand in this space design.The drag box of should going up that then comprises this corresponding upper casting mold and lower casting mold is removed from this match plate.These remove process and finish by cylinder, and these cylinders this match plate relatively move back and forth drag box on this.
The inconvenience of this traditional design device is, the process that drag box on this is removed from this match plate is when this match plate is attached to upper mold or lower mold.That is to say, if this match plate is attached to any casting mold, at first, another casting mold (promptly being not attached to that casting mold of this match plate) and the corresponding sandbox that comprises this another casting mold are removed (promptly being tripped out) (molding for the first time) from match plate together.Then a casting mold (promptly being attached to the casting mold of this match plate) and the corresponding sandbox that comprises this casting mold are removed (molding for the second time) from this match plate together.When this another casting mold is static, begin this molding first time.Yet, should be attached to this casting mold of this match plate (this casting mold) also when mobile, and when also stopping to carry out the molding second time when mobile at this match plate that moves before this.Just because of this, this casting mold can be subjected to a sizable impulse force when match plate is removed.Therefore molding for the second time may cause defective.
Therefore, one object of the present invention is to provide a kind of styling apparatus and the formative method that can avoid producing in this casting mold when this match plate is removed when a casting mold that is attached to a match plate and the corresponding sandbox that comprises this casting mold defective.
Summary of the invention
One aspect of the present invention provides a kind of formative method.The method includes the steps of: clamping one match plate between a cope and a drag box; With extruded member on one and once extruded member insert drag box on this respectively with this match plate opening opposing in, determine on one space design and space design once with this; In this space design of determining, insert molding sand; And advance extruded member up and down to this match plate, pushing molding sand in the space design up and down at this, thus moulding one upper mold and a lower mold simultaneously.
The characteristics of this method are that it is further comprising the steps of: when this sandbox is static, pressure will comprise this last drag box of the upper casting mold and lower casting mold of moulding push away this match plate simultaneously.
Preferably, the speed that this cope separates from drag box is the twice of this match plate from the speed of this drag box separation, and preferably, this cope is consistent from the speed that this match plate separates with this drag box from the speed that this match plate separates.
Another aspect of the present invention is to provide a kind of match plate molding device.This match plate molding device comprises: a cope and a drag box; One will be held in the match plate between the drag box on this; Extruded member and extruded member once on one, up and down extruded member can insert drag box on this with this match plate opening opposing; Be used on one space design and once space design insert the device of molding sand, should go up space design by this cope, this match plate and should go up extruded member and determine that this time space design is definite by this drag box, this match plate and this time extruded member; And drive unit, be used for advancing extruded member up and down to this match plate, pushing molding sand in the space design up and down at this, thus moulding one upper mold and a lower mold simultaneously.
The characteristics of this styling apparatus are that it also comprises: thrust unit up and down, be used for when last drag box is static, pressure will comprise this last drag box of the upper casting mold and lower casting mold of moulding push away this match plate, wherein should go up thrust unit and this time thrust unit and be set on this cope and this drag box.
Preferably, thrust unit is a hydraulic cylinder that stretches by the oil in it on this.This time thrust unit is a hydraulic cylinder, the thrust of the oil that the thrust of the oil in this hydraulic cylinder is interior than thrust unit on this is little, perhaps this time thrust unit is a pneumatic cylinders that stretches by compressed air, or is an elastic device that stretches by an elastic component.
In one embodiment of the invention, drag box has the back-up sand mouth that is used for back-up sand on this on its sidewall.
Preferably, this drag box is located on the rotating frame, and this rotating frame can rotation up and down in a perpendicular.This cope is located on this rotating frame, like this this cope can near and away from this drag box.
This styling apparatus can comprise that also one is used for sending on this between drag box this match plate and the transmitting device from shifting out therebetween.In addition, this styling apparatus also can comprise one be used to make this match plate near and away from the mechanism of this drag box.
The casting mold of match plate molding device of the present invention institute moulding can be casting mold or the flaskless mould that has sandbox.
Description of drawings
Further specify aforesaid and other purpose and the advantage of the present invention below in conjunction with specification and accompanying drawing:
Fig. 1 is the front view of styling apparatus of the present invention.
Fig. 2 is the left view of styling apparatus shown in Figure 1.
Fig. 3 is the schematic diagram of a pressurized fluidic unit of driving styling apparatus illustrated in figures 1 and 2.
Fig. 4 is the schematic diagram of an optional embodiment of this hydraulic power unit.
The specific embodiment
Introduce an embodiment of match plate molding device of the present invention in detail below with reference to Fig. 1, Fig. 2 and Fig. 3.As depicted in figs. 1 and 2, styling apparatus of the present invention comprises a rotating frame 2 that fully extends vertically.This rotating frame 2 is hubbed on the back shaft 1, and this rotating frame 2 can move up and down around this back shaft 1 in perpendicular like this.One drag box 4 that is provided with the back-up sand mouth on its sidewall is located at the lower end of this rotating frame 2 by a supporting member 3.On the left side of this rotating frame 2, a pair of guide post 5 that fully vertically extends is provided with by front and back with a predetermined interval.On this guide post 5, a match plate 7 vertically is set slidably by guiding trestle 6.The top of adjoining the guiding trestle 6 of this guide post 5 vertically is provided with the cope that a sidewall has the back-up sand mouth slidably by guiding trestle 8.One down the end of piston rod of vertical cylinder 10 is connected with the left side of this rotating frame 2.
This match plate 7 can be admitted between this cope 9 and this drag box 4 and between this cope 9 and this drag box 4 by any known transmitting device and be moved out of.Can be located at the stretching, extension of the cylinder (not shown) up on this rotating frame 2 and shrink and to move this match plate 7 by one, so that this match plate 7 is approaching and away from this drag box 4.
This cope 9 is located on the cylinder 10, like this stretching, extension that this cope 9 can be by this cylinder 10 and contractive action move up and down with near and away from this match plate 7.Being located near four angles of these cope 9 peripheries is four hydraulic cylinders 11 (going up thrust unit) down, is used for this cope 9 is pushed away this match plate 7.Similarly, being located near four angles of these drag box 4 peripheries is four pneumatic cylinders 12 (following thrust unit) up, is used for drag box 4 is pushed away this match plate 7.
As shown in Figure 3, this styling apparatus is provided with a pressurized fluidic unit 13, and this pressurized fluidic unit 13 provides oil and provides compressed air to four pneumatic cylinders 12 to four hydraulic cylinders 11.This pressurized fluidic unit 13 comprises a hydraulic pressure unit 14, and this hydraulic pressure unit 14 has one and is used to produce oily hydraulic pump, and this pressurized fluidic unit 13 comprises that also one is used to produce compressed-air actuated compressor 15.The hydraulic pump of this hydraulic pressure unit 14 by a directional control valve 17 and a stop valve 18 with one down hydraulic cylinder 16 one on hydraulic fluid port link to each other with hydraulic fluid port once.
A head board 19 has been fixed in lower end at the piston rod of this hydraulic cylinder 16.Be provided with four hydraulic pressure pushers 21 below this head board 19, this head board 19 is adjoined in the upper end of this hydraulic pressure pusher 21, and this hydraulic pressure pusher 21 is used to release and provides oil by four pipelines 20 to the corresponding hydraulic fluid port of going up of four hydraulic cylinders 11.Each hydraulic pressure pusher 21 comprises up a hydraulic cylinder structure.Four pipelines 20 link to each other with the hydraulic pump of this hydraulic pressure unit 14 by four corresponding stop valve 22.The corresponding hydraulic fluid port down of four hydraulic cylinders 11 links to each other with this hydraulic pressure unit 14 by this directional control valve 17.Four pneumatic cylinders 12 link to each other with this compressor 15 by a directional control valve 23.
According to aforementioned styling apparatus, before machine performance illustrated in figures 1 and 2, at a moulding station place (not shown), this match plate 7 is clamped between this cope 9 and this drag box 4.Then up and down the extruded member (not shown) insert this cope 9 and this drag box 4 with these match plate 7 opening opposing in, to determine space design up and down.This cope 9, this drag box 4, this match plate 7 and their associated components that then define this space design are gone to vertical position or horizontal level, and molding sand is blown into and fills this space design by the back-up sand mouth of drag box on this 9 and 4 like this.Extruded member moves to this match plate 7 up and down with following brute force, thereby to push this molding sand while upper mold of moulding and a lower mold in the space design up and down at this.Thus, this styling apparatus just is in state illustrated in figures 1 and 2.
Meanwhile, at first open this stop valve 18, with to the following hydraulic fluid port of this cylinder 16 and the confession oil that oils of four hydraulic pressure pushers 21, thereby shrink this cylinder 16 and stretch four hydraulic pressure pushers 21.Then close this stop valve 18 and open four stop valves 22, with from the hydraulic pump of this hydraulic pressure unit 14 following hydraulic fluid port fuel feeding to four pipelines 20 and four hydraulic pressure pushers 21.Oil from this hydraulic pump also is provided to the last hydraulic fluid port of four hydraulic cylinders 11 to shrink this four hydraulic cylinders 11.Then close four stop valves 22 between four pipelines 20 and this hydraulic pressure unit 14.
From state illustrated in figures 1 and 2, stretch this cylinder 10 to promote this cope 9, shrink another cylinder (not shown) simultaneously to promote this match plate 7.In this example, the rate of climb of this cope 9 twice of the rate of climb of this match plate 7 preferably.Then rotate this directional control valve 17, thereby, realize stretching this four hydraulic cylinders 11 to the fuel feeding that should go up hydraulic fluid port of four hydraulic cylinders 11 to stretch this cylinder 16 by four hydraulic pressure pushers 21 of these head board 19 compressions.Simultaneously, rotate this directional control valve 23, to provide compressed air from this compressor 15 to four pneumatic cylinders 12 to stretch this four pneumatic cylinders 12.Therefore, four hydraulic cylinders 11 promote this match plate 7 downwards, and four pneumatic cylinders 12 are upwards pushed to this match plate 7 simultaneously.This will make comprise upper casting mold and lower casting mold should go up drag box 9 and 4 pushed away simultaneously this match plate 7 and mutually away from.Compare with two traditional step moldings, this cope 9 and this drag box 4 are by molding simultaneously.Therefore, this has been avoided the defective in the casting mold that may be caused by a unnecessary impulse force in the traditional molding second time (sandbox is tripped out from this match plate, wherein be attached with a casting mold that is included in this sandbox on this match plate).
In this example, the rate of climb of this cope 9 is set to the twice of the rate of climb of this match plate 7, like this in following steps, on this drag box 9 and 4 just have enough spaces pushed away simultaneously this match plate 7 and mutually away from.
Though described styling apparatus of the present invention and formative method at preferred embodiment, should be appreciated that the present invention is intended to comprise modification or the variation among all scopes that are included in appended claims.Therefore, the application of the present invention setting and the operation that are not limited to here institute's match plate molding device of describing and showing.For example, this match plate, this cope and this drag box can be held in rotation later between the drag box on this at this match plate.Alternatively, can after sandbox is rotated, this match plate be held between this cope and this drag box.Therefore, do not limit to the present invention the opportunity of this match plate of clamping and rotation sandbox.The final upper casting mold and lower casting mold of being made by styling apparatus of the present invention and formative method can be casting mold or the flaskless mould that has sandbox.
In addition, the hydraulic power unit 13 of styling apparatus of the present invention is not limited to embodiment shown in Figure 3.The hydraulic power unit 13 of Fig. 3 can be replaced by, for example, and the optional hydraulic power unit 13A among Fig. 4.The difference of the hydraulic power unit 13 of the optional hydraulic power unit 13A of this among Fig. 4 and above-mentioned Fig. 3 is that it has omitted hydraulic cylinder 16 and stop valve 18, and the last hydraulic fluid port of hydraulic pressure pusher 21 is connected with directional control valve 17 simultaneously.Because the member by the same numbers mark of the hydraulic power unit 13 among other members of the optional hydraulic power unit 13A of this among Fig. 4 and Fig. 3 is identical, so omit their explanation.
Introduce the operation of the styling apparatus that adopts this optional hydraulic power unit 13A below.At first, this styling apparatus is made this upper casting mold and lower casting mold simultaneously in mode same as the previously described embodiments.Thus, this styling apparatus just is in state as depicted in figs. 1 and 2.Then open four stop valves, with following hydraulic fluid port fuel feeding to four pipelines 20 and four hydraulic pressure pushers 21.Oil also is provided to the last hydraulic fluid port of four cylinders 11 to shrink this four cylinders 11.Then close four stop valves, with the liquid communication between four pipelines 20 and this hydraulic pressure unit 14.
From state illustrated in figures 1 and 2, then stretch this cylinder 10 to promote this cope, shrink another cylinder (not shown) simultaneously to promote this match plate 7.In this example, the rate of climb of this cope 9 twice of the rate of climb of this match plate 7 preferably.Then rotate this directional control valve 17, shrink this hydraulic pressure pusher 21, stretch this four hydraulic cylinders 11 with this confession oil that oils to four hydraulic cylinders 11 by this head board 19.Simultaneously, rotate this directional control valve 23, to provide compressed air from this compressor 15 to four pneumatic cylinders 12 to stretch this four pneumatic cylinders 12.Therefore, four hydraulic cylinders 11 promote this match plate 7 downwards, and four pneumatic cylinders 12 upwards promote this match plate 7 simultaneously.This will make this cope 9 of comprising upper casting mold and lower casting mold and this drag box 4 pushed away simultaneously this match plate 7 and mutually away from.Thus, same as the previously described embodiments, this cope 9 and this drag box 4 are by molding simultaneously.

Claims (9)

1, a kind of formative method, it comprises: clamping one match plate between a cope and a drag box; With extruded member on one and once extruded member insert described go up drag box and described match plate opening opposing respectively, to determine on one space design and space design once; Insert molding sand to described definite space design; And push described up and down extruded member to this match plate, with the described molding sand of extruding in described space design up and down, thereby make a upper mold and a lower mold simultaneously;
Described method is characterised in that:
When this sandbox was static, the described drag box of going up that comprises the upper casting mold and lower casting mold of described moulding was pushed away simultaneously described match plate.
2, the method for claim 1, the speed that wherein said cope separates from described drag box is the twice of described match plate from the speed of described drag box separation, and wherein said cope is identical from the speed that described match plate separates with described drag box from the speed that described match plate separates.
3, a kind of styling apparatus, it comprises: a cope and a drag box; One will be held in the described match plate of going up between the drag box; Can insert described that go up drag box and described match plate opening opposing place one on extruded member and extruded member once; Be used on one space design and once space design fill the device of molding sand, should go up space design and be determined by described cope, described match plate and the described extruded member that goes up, this time space design is determined by described drag box, described match plate and described extruded member down; Hold down gag is used for pushing described extruded member up and down to this match plate, with the described molding sand of extruding in described space design up and down, thus while moulding one upper mold and a lower mold;
Described device is characterised in that:
When this sandbox was static, the thrust unit described drag box of going up that will comprise described upper casting mold and lower casting mold pushed away described match plate simultaneously up and down, wherein saidly went up device and described lower device is located on this cope and this drag box.
4, styling apparatus as claimed in claim 3, wherein a described upward thrust unit is a hydraulic cylinder by stretching to its oil inside offering, and wherein said down thrust unit is that the thrust to oil is than the described thrust unit hydraulic cylinder little to the thrust of oil of going up, perhaps described thrust unit down is a pneumatic cylinders by the compressed air stretching, extension, and perhaps described thrust unit down is an elastic device by elastic component stretching, extension.
5, as claim 3 or 4 described styling apparatus, the wherein said drag box of going up has the back-up sand mouth on sidewall.
6, as claim 3 or 4 described styling apparatus, wherein said drag box is located on the rotating frame that can rotate up and down in perpendicular, and wherein said cope is located on the described rotating frame so that described cope can near and away from described drag box.
7, as claim 3 or 4 described styling apparatus, wherein said styling apparatus also comprises a transmitting device, and this transmitting device is used for that described match plate is sent into described going up between the drag box and from described going up between the drag box and shifts out.
8, as claim 3 or 4 described styling apparatus, wherein said styling apparatus also comprise one make described match plate can near and away from the mechanism of this drag box.
9, as claim 3 or 4 described styling apparatus, wherein final casting mold is casting mold or the flaskless mould that has sandbox.
CNA2007800497794A 2007-01-15 2007-07-11 Molding machine and molding method Pending CN101578146A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP005585/2007 2007-01-15
JP2007005585 2007-01-15

Publications (1)

Publication Number Publication Date
CN101578146A true CN101578146A (en) 2009-11-11

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CNA2007800497794A Pending CN101578146A (en) 2007-01-15 2007-07-11 Molding machine and molding method

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US (1) US20080169075A1 (en)
EP (1) EP1952912B1 (en)
JP (1) JP5027879B2 (en)
KR (1) KR101392355B1 (en)
CN (1) CN101578146A (en)
BR (1) BRPI0720981A2 (en)
MX (1) MX2009007561A (en)
TR (1) TR201904582T4 (en)
WO (1) WO2008087759A1 (en)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN102632204A (en) * 2012-04-28 2012-08-15 许云东 Molding device and method for molding by molding sand

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Publication number Priority date Publication date Assignee Title
CN102078917B (en) * 2010-12-21 2013-05-08 四川海科机械制造有限公司 Semi-modular forming manufacturing method and application template thereof
CN114425607B (en) * 2022-01-25 2024-04-02 常州大学 Double-shaft linkage sand box forming equipment with driving side pressure

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US3744549A (en) * 1967-08-18 1973-07-10 Buehler Eugen Apparatus for automatic production and transportation of flaskless sand moulds in metal casting
US4411303A (en) * 1979-10-01 1983-10-25 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Sand mold-producing apparatus

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US3630268A (en) * 1969-09-08 1971-12-28 Sherwin Williams Co Foundry molding machine with means to alternately index cope and drag flasks between molding and closing units
US3878881A (en) * 1972-03-10 1975-04-22 Pettibone Corp Method for producing and assembling cope and drag mold parts
JPS6418547A (en) * 1987-07-13 1989-01-23 Taiyo Chuki Kk Automatic snap flask molding method
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JP4288668B2 (en) 2003-12-18 2009-07-01 新東工業株式会社 Separation device for upper and lower molds from match plate
EP1726382B1 (en) * 2004-03-18 2011-05-11 Sintokogio, Ltd. Method of forming molding-flask-less, upper and lower molds and device therefor

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US3744549A (en) * 1967-08-18 1973-07-10 Buehler Eugen Apparatus for automatic production and transportation of flaskless sand moulds in metal casting
US4411303A (en) * 1979-10-01 1983-10-25 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Sand mold-producing apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102632204A (en) * 2012-04-28 2012-08-15 许云东 Molding device and method for molding by molding sand
CN102632204B (en) * 2012-04-28 2013-11-20 许云东 Molding device and method for molding by molding sand

Also Published As

Publication number Publication date
BRPI0720981A2 (en) 2014-03-18
TR201904582T4 (en) 2019-05-21
KR20090101466A (en) 2009-09-28
US20080169075A1 (en) 2008-07-17
MX2009007561A (en) 2009-07-22
EP1952912B1 (en) 2019-03-06
KR101392355B1 (en) 2014-05-08
JP2010515574A (en) 2010-05-13
WO2008087759A1 (en) 2008-07-24
EP1952912A1 (en) 2008-08-06
JP5027879B2 (en) 2012-09-19

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Application publication date: 20091111