JP3407879B2 - Method and apparatus for filling and compressing molding sand - Google Patents
Method and apparatus for filling and compressing molding sandInfo
- Publication number
- JP3407879B2 JP3407879B2 JP2000111700A JP2000111700A JP3407879B2 JP 3407879 B2 JP3407879 B2 JP 3407879B2 JP 2000111700 A JP2000111700 A JP 2000111700A JP 2000111700 A JP2000111700 A JP 2000111700A JP 3407879 B2 JP3407879 B2 JP 3407879B2
- Authority
- JP
- Japan
- Prior art keywords
- compressing
- frame
- filling
- molding
- auxiliary frame
- 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.)
- Expired - Fee Related
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Description
【０００１】[0001]
【発明の属する技術分野】本発明は、鋳型造型空間に充
填された鋳物砂を圧縮するのに好適な方法およびその装
置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method suitable for compressing foundry sand filled in a molding space and an apparatus therefor.
【０００２】[0002]
【従来技術と課題】従来、模型板と鋳枠と圧縮手段とで
画成された鋳型造型空間に充填された鋳物砂を圧縮する
方法の一つとして、模型板と圧縮手段とを相互に接近さ
せて行なうようにしたものあるが、しかし、この方法で
は模型板を昇降させるための大型の油圧シリンダが必要
になり、その結果、鋳型造型機は、高さの高いものにな
り、設置に当たってはピットを設ける必要があるなどの
問題があった。2. Description of the Related Art Conventionally, as one of the methods for compressing foundry sand filled in a mold molding space defined by a model plate, a flask and a compression means, the model plate and the compression means are brought close to each other. However, this method requires a large hydraulic cylinder for raising and lowering the model plate, and as a result, the mold making machine becomes high in height and is not suitable for installation. There was a problem such as the need to provide a pit.
【０００３】本発明は上記の事情に鑑みてなされたもの
で、その目的は、ピットを必要とする模型板昇降用の大
型の油圧シリンダを設けることなく、模型板と鋳枠と圧
縮手段とで画成された鋳型造型空間に充填された鋳物砂
を、ほぼ全体にわたって所要の硬度に圧縮することが可
能な方法およびその装置を提供することにある。The present invention has been made in view of the above circumstances, and an object thereof is to provide a model plate, a flask and a compression means without providing a large hydraulic cylinder for raising and lowering the model plate which requires a pit. It is an object of the present invention to provide a method and an apparatus capable of compressing molding sand filled in a defined molding space to a required hardness almost all over.
【０００４】[0004]
【課題を解決するのための手段】上記の目的を達成する
ために請求項1の発明における鋳物砂の充填圧縮方法
は、水平状にして固定された模型板と；この模型板に上
下摺動自在に環装されて昇降可能に配設された下補助枠
と；この下補助枠の上方に昇降可能に配設された鋳枠
と；この鋳枠の上方に昇降可能に配設された上補助枠
と；前記鋳枠の上方に昇降可能に配設され下部が前記上
補助枠に上下摺動自在に貫装された圧縮手段と；によっ
て画成された鋳型造型空間に鋳物砂を充填し圧縮する方
法であって、前記鋳型造型空間に鋳物砂を充填する工程
と、少なくとも前記下補助枠が下降不可能な状態の下に
前記圧縮手段を下降させて前記鋳型造型空間の鋳物砂を
圧縮する第1圧縮工程と、前記上・下補助枠および前記
鋳枠が下降可能な状態の下に前記圧縮手段を下降させて
前記鋳型造型空間の鋳物砂をさらに圧縮する第２圧縮工
程と、を有することを特徴とする。In order to achieve the above object, a method for filling and compressing foundry sand according to the invention of claim 1 is a horizontal fixed model plate; A lower auxiliary frame which is freely mounted and is vertically movable; a casting frame which is vertically movable above the lower auxiliary frame; and an upper vertically which is vertically movable above the casting frame. A molding space defined by an auxiliary frame; a compression means disposed above the casting frame so as to be able to move up and down, and a lower portion penetrating the upper auxiliary frame in a vertically slidable manner; A method of compressing, wherein the step of filling molding sand into the molding space, and compressing the molding sand in the molding space by lowering the compression means at least under a state where the lower auxiliary frame cannot descend. Under the condition that the upper and lower auxiliary frames and the molding frame can be lowered. And having a second compression step of further compressing the molding sand of the molding space is lowered the compression means.
【０００５】[0005]
【発明の実施の形態】なお、本発明において、第２圧縮
工程における圧縮手段による圧縮力は、第1圧縮工程に
おけるそれとほぼ同じでもよいが、より大きくすること
により、本発明の効果を高めることができる。またな
お、本発明において圧縮手段としては、各種の構造のも
のがあるが、鋳物砂を圧縮する部分が一体的なもの、複
数に分割されたもの、さらに背面に圧力流体が作用する
可撓性膜を備えて柔軟性を高めたものがある。In the present invention, the compressing force by the compressing means in the second compressing step may be substantially the same as that in the first compressing step, but by increasing it, the effect of the present invention is enhanced. You can Further, in the present invention, as the compression means, there are various structures, but the one that compresses the molding sand is integrated, the one that is divided into a plurality, and the flexibility that the pressure fluid acts on the back surface. Some have a membrane to increase flexibility.
【０００６】[0006]
【実施例１】本発明を適用した鋳型造型機の一実施例に
ついて図１〜図6に基づき詳細に説明する。本鋳型造型
機は、図１に示すように、水平状にして固定された模型
板１と、この模型板１に上下摺動自在に環装されて昇降
可能に配設された下補助枠２と、この下補助枠２の上方
に昇降可能に配設された鋳枠３と、この鋳枠３の上方に
昇降可能に配設された上補助枠４と、前記鋳枠3の上方
に昇降可能に配設され下部が前記上補助枠４に上下摺動
自在に貫装された圧縮手段５と、で構成してある。Embodiment 1 An embodiment of a mold making machine to which the present invention is applied will be described in detail with reference to FIGS. As shown in FIG. 1, the present mold making machine includes a model plate 1 which is fixed horizontally and a lower auxiliary frame 2 which is mounted on the model plate 1 so as to be vertically slidable and is capable of moving up and down. And a casting frame 3 which is arranged above the lower auxiliary frame 2 so as to be able to move up and down, an upper auxiliary frame 4 which is arranged above this casting frame 3 so as to be able to move up and down, and which is moved above and below the casting frame 3. The compression means 5 is arranged so that the lower part can penetrate the upper auxiliary frame 4 so as to be slidable in the vertical direction.
【０００７】そして、前記模型板１は、後述のターンテ
ーブル１９の上面に取り付けてあり、さらに模型板１の
上面にはベントプラグ（図示せず）が埋設してある。ま
た、前記下補助枠２は後述のターンテーブル１９に装着
された複数の油圧シリンダ６・６によって昇降するよう
になっている。また、前記鋳枠３は、複数のつば付きロ
ーラ７・７を前後方向に適宜の間隔をおいてフレーム８
・８に軸支して成る搬送機構９によって前後方向へ移動
できるようにしてあり、搬送機構９は昇降フレーム１０
に装着してある。昇降フレーム１０は、定盤状の機台１
１の左右両側に立設された2本の油圧シリンダ１２・１
３のピストンロッドの上端間に装架してあって、油圧シ
リンダ１２・１３の伸縮作動により昇降するようになっ
ている。The model plate 1 is attached to the upper surface of a turntable 19 described later, and a vent plug (not shown) is embedded in the upper surface of the model plate 1. The lower auxiliary frame 2 can be moved up and down by a plurality of hydraulic cylinders 6 mounted on a turntable 19 described later. Further, the casting frame 3 has a frame 8 in which a plurality of rollers 7 with collars are arranged at appropriate intervals in the front-rear direction.
The transport mechanism 9 pivotally supported by 8 can be moved in the front-back direction.
It is attached to. The lifting frame 10 is a platen-shaped machine base 1
Two hydraulic cylinders 12 ・ 1 installed upright on both left and right sides of 1
It is mounted between the upper ends of the piston rods 3 and 3 and is moved up and down by the expansion and contraction operation of the hydraulic cylinders 12 and 13.
【０００８】また、前記上補助枠４は前記圧縮手段５に
装着された下向きの油圧シリンダ１４・１４のピストン
ロッドの下端間に架設してあり、上補助枠４には上補助
枠４内からの圧縮空気の排出を制御する排気制御手段１
５が装着してある。Further, the upper auxiliary frame 4 is installed between the lower ends of the piston rods of the downward hydraulic cylinders 14 mounted on the compression means 5, and the upper auxiliary frame 4 is provided from the inside of the upper auxiliary frame 4. Exhaust control means 1 for controlling the discharge of compressed air
5 is attached.
【０００９】また、前記圧縮手段５は、昇降フレーム１
０のほぼ中央にこれを貫通して装着してあって、上部が
砂貯蔵室に、中部が多数孔板による下細り状中空室に、
さらに下部が前記上補助枠４に貫装されたノズル（図示
せず）にそれぞれ構成された砂吹込み機構１６と、砂吹
込み機構１６の下面に装着され昇降機構１７によって昇
降可能な複数の直方体状の圧縮部材１８・１８とで構成
してある。そして、前記圧縮手段５の下部は前記上補助
枠４に上下摺動自在に貫装してある。The compression means 5 is used for the lifting frame 1
It is installed almost at the center of 0 through it, the upper part is the sand storage chamber, the middle part is the lower tapered hollow chamber with a multi-hole plate,
Furthermore, a lower part of the sand blowing mechanism 16 is formed by a nozzle (not shown) that penetrates the upper auxiliary frame 4, and a plurality of sand blowing mechanisms 16 are attached to the lower surface of the sand blowing mechanism 16 and can be moved up and down by an elevating mechanism 17. It is composed of a rectangular parallelepiped compression member 18, 18. The lower portion of the compression means 5 is vertically slidably mounted on the upper auxiliary frame 4.
【００１０】また、前記2本の油圧シリンダ１２・１３
のうち左側の油圧シリンダ１２には、左右方向へ延びる
回転テーブル１９の中央が間欠的に水平回転可能に環装
して装着してある。The two hydraulic cylinders 12 and 13 are also provided.
In the left hydraulic cylinder 12, a center of a rotary table 19 extending in the left-right direction is intermittently mounted so as to be horizontally rotatable.
【００１１】次に、図１に示す状態から所定の鋳型造型
空間に鋳物砂を充填し、圧縮する手順について説明す
る。まず、圧縮手段５の昇降機構１７によって圧縮部材
１８・１８を昇降させて、これらの圧縮面がこれらと相
互に対向する模型板１の模型部とで所要の間隔を成すよ
うにし、かつ、油圧シリンダ6・6を伸長作動して下補助
枠２が上昇した状態にする。この状態の下に、図2に示
すように、油圧シリンダ１２・１３を所要長さ収縮作動
して昇降フレーム１０、圧縮手段５等を下降させ下補助
枠２上に鋳枠３を載置し、続いて、油圧シリンダ14・14
を伸長作動して鋳枠３上に上補助枠４を重ね合わせて鋳
型造型空間を画成する。Next, a procedure for filling a predetermined molding space with molding sand from the state shown in FIG. 1 and compressing the molding sand will be described. First, the elevating mechanism 17 of the compression means 5 elevates and lowers the compression members 18 and 18 so that these compression surfaces form a required space between them and the model portion of the model plate 1 facing each other. The cylinders 6 and 6 are extended so that the lower auxiliary frame 2 is raised. Under this condition, as shown in FIG. 2, the hydraulic cylinders 12 and 13 are contracted to a required length to lower the elevating frame 10, the compression means 5 and the like, and the casting frame 3 is placed on the lower auxiliary frame 2. , Then hydraulic cylinder 14 ・ 14
Is extended to superimpose the upper auxiliary frame 4 on the molding frame 3 to define a molding space.
【００１２】次いで、図3に示すように、圧縮手段５の
砂吹込み機構１６内の鋳物砂を鋳型造型空間に吹き込み
充填し、続いて、油圧シリンダ６・６の収縮時に油排出
側から排油できないようにして下補助枠２を下降不可能
にし、かつ油圧シリンダ１４・１４の収縮時に油排出側
から排油できるようにして上補助枠４を砂吹込み機構１
６の下部等に対して相対的に上昇可能にした状態の下
に、図4に示すように、油圧シリンダ１２・１３を収縮
作動して昇降フレーム１０を介して圧縮手段５を適宜の
長さ下降させる。これにより、鋳型造型空間の鋳物砂は
第1圧縮される。この場合、圧縮手段５の圧縮部材18・1
8のほぼ全部が鋳物砂の反力によりほぼ同一のレベルま
で戻るとともに圧縮部材18・18のほぼ全部の下面レベル
が鋳枠4の上面レベルとほぼ一致する高さまで下降する
のが望ましい。Next, as shown in FIG. 3, the molding sand in the sand blowing mechanism 16 of the compression means 5 is blown into the molding space to fill it, and subsequently, when the hydraulic cylinders 6 and 6 contract, they are discharged from the oil discharge side. The lower auxiliary frame 2 cannot be lowered by preventing oil, and the upper auxiliary frame 4 can be discharged from the oil discharge side when the hydraulic cylinders 14 and 14 are contracted.
4, the hydraulic cylinders 12 and 13 are contracted to move the compression means 5 to an appropriate length through the elevating frame 10 under a state in which the hydraulic cylinders 12 and 13 can be relatively moved upward with respect to the lower portion and the like. Lower it. As a result, the molding sand in the molding space is first compressed. In this case, the compression member 18.1 of the compression means 5
It is desirable that almost all of 8 return to almost the same level by the reaction force of the foundry sand, and that the lower surface level of almost all of the compression members 18 and 18 is lowered to a height substantially matching the upper surface level of the casting frame 4.
【００１３】次いで、油圧シリンダ６・６の収縮時に油
排出側から排油できるようにして下補助枠２を下降可能
にした状態の下に、図5に示するように、油圧シリンダ
１２・１３をさらに収縮作動して圧縮手段５と、鋳枠３
および上補助枠４とをさらに下降させる。すると、下補
助枠２は、鋳枠３、上補助枠４および油圧シリンダ14・
14を介して押し下げられ、これに伴って、鋳物砂が鋳枠
３と一体となって下降されて模型板1に押し付けられ、
この結果、鋳物砂はさらに圧縮されることになる。この
場合、鋳枠4内の鋳物砂の下面（合わせ面）が鋳枠4の下
面レベルとほぼ一致するのが望ましい。Next, under the condition that the lower auxiliary frame 2 can be lowered by allowing oil to be discharged from the oil discharge side when the hydraulic cylinders 6 and 6 contract, as shown in FIG. Is further contracted to compress the compression means 5 and the flask 3.
And the upper auxiliary frame 4 is further lowered. Then, the lower auxiliary frame 2 includes the casting frame 3, the upper auxiliary frame 4, and the hydraulic cylinder 14.
It is pushed down via 14, and along with this, the foundry sand is lowered together with the flask 3 and pressed against the model plate 1,
As a result, the foundry sand will be further compressed. In this case, it is desirable that the lower surface (the mating surface) of the foundry sand in the casting frame 4 substantially coincides with the lower surface level of the casting frame 4.
【００１４】鋳物砂の圧縮完了後、油圧シリンダ14・14
の伸長時に油排出側から排油できないようにした状態
で、図6に示すように、油圧シリンダ６・６を伸長作動
させながら油圧シリンダ１２・１３を伸長作動して圧縮
手段５および上補助枠４を上昇させ、さらに造型された
鋳型を内蔵した鋳枠３をつば付きローラ7・7に係止させ
て吊り上げ模型板１から分離する。その後、ターンテー
ブル１９を180度水平回転させて別の模型板1を圧縮手段
５の真下に移動させかつ搬送機構９上に別の空状の鋳枠
3を搬入して一サイクルを終了する。After the compression of the foundry sand is completed, the hydraulic cylinders 14 ・ 14
6, the hydraulic cylinders 12 and 13 are extended while the hydraulic cylinders 6 and 6 are extended, as shown in FIG. 4 is lifted, and the molding frame 3 containing the molded mold is locked to the rollers with ribs 7 and 7 and separated from the lifting model plate 1. After that, the turntable 19 is horizontally rotated by 180 degrees to move the other model plate 1 directly below the compression means 5 and another empty molding frame on the transfer mechanism 9.
Carry in 3 and complete one cycle.
【００１５】[0015]
【発明の効果】上記の説明から明らかなように請求項1
の発明は、水平状にして固定された模型板と；この模型
板に上下摺動自在に環装されて昇降可能に配設された下
補助枠と；この下補助枠の上方に昇降可能に配設された
鋳枠と；この鋳枠の上方に昇降可能に配設された上補助
枠と；前記鋳枠の上方に昇降可能に配設され下部が前記
上補助枠に上下摺動自在に貫装された圧縮手段と；によ
って画成された鋳型造型空間に鋳物砂を充填し圧縮する
方法であって、記鋳型造型空間に鋳物砂を充填する工程
と、少なくとも前記下補助枠が下降不可能な状態の下に
前記圧縮手段を下降させて前記鋳型造型空間の鋳物砂を
圧縮する第1圧縮工程と、前記上・下補助枠および前記
鋳枠が下降可能な状態の下に前記圧縮手段を下降させて
前記鋳型造型空間の鋳物砂をさらに圧縮する第２圧縮工
程と、を有するから、鋳型造型空間に充填された鋳物砂
を、ピットを必要とする模型板昇降用の大型の油圧シリ
ンダを設けることなく、鋳型造型空間内の鋳物砂をほぼ
全体にわたって所要の硬度に圧縮することができるなる
などの優れた実用的効果を奏する。As is apparent from the above description, claim 1
Of the present invention, a model plate fixed in a horizontal state; a lower auxiliary frame mounted on the model plate so as to be vertically slidable and vertically movable; A casting frame provided; an upper auxiliary frame arranged above the casting frame so as to be able to move up and down; a lowering arrangement provided above the casting frame so that the lower part can slide vertically on the upper auxiliary frame A method for filling and compressing molding sand into a molding space defined by a compression means that is provided, wherein the molding space is filled with molding sand, and at least the lower auxiliary frame is not lowered. A first compression step of compressing the molding sand in the mold molding space by lowering the compression means under a possible state, and the compression means under a state in which the upper and lower auxiliary frames and the molding frame can be lowered. And a second compression step of further compressing the molding sand in the molding space by lowering the molding sand. , It is possible to compress the molding sand filled in the molding space to the required hardness almost all over in the molding space without providing a large hydraulic cylinder for raising and lowering the model plate that requires a pit. It has excellent practical effects such as being able to.
【図１】本発明を適用した鋳型造型機の一実施例を示す
概略縦断面図である。FIG. 1 is a schematic vertical sectional view showing an embodiment of a mold making machine to which the present invention is applied.
【図２】図1に示す鋳型造型機の動作を説明する概略縦
断面図であって、鋳型造型空間を画成する。FIG. 2 is a schematic vertical cross-sectional view for explaining the operation of the mold making machine shown in FIG. 1, and defines a mold making space.
【図３】図1に示す鋳型造型機の動作を説明する概略縦
断面図であって、鋳型造型空間に鋳物砂を充填する。FIG. 3 is a schematic vertical sectional view for explaining the operation of the mold making machine shown in FIG. 1, in which the molding sand is filled in the mold making space.
【図４】図1に示す鋳型造型機の動作を説明する概略縦
断面図であって、鋳型造型空間の鋳物砂を第1圧縮す
る。FIG. 4 is a schematic vertical sectional view for explaining the operation of the mold making machine shown in FIG. 1, in which the molding sand in the mold making space is first compressed.
【図５】図1に示す鋳型造型機の動作を説明する概略縦
断面図であって、鋳型造型空間の鋳物砂を第２圧縮す
る。5 is a schematic longitudinal sectional view for explaining the operation of the mold making machine shown in FIG. 1, in which the molding sand in the mold making space is secondly compressed.
【図６】図1に示す鋳型造型機の動作を説明する概略縦
断面図であって、鋳型を模型板から分離する。6 is a schematic vertical cross-sectional view for explaining the operation of the mold making machine shown in FIG. 1, in which the mold is separated from the model plate.
１ 模型板 ２ 模型板 ３ 鋳枠 ４ 上補助枠 ５ 圧縮手段 1 model board 2 model board 3 flasks 4 Upper support frame 5 compression means
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 平９−225588（ＪＰ，Ａ) 特開 平７−232234（ＪＰ，Ａ) (58)調査した分野(Int.Cl.7，ＤＢ名) B22C 5/00 - 25/00 ─────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-9-225588 (JP, A) JP-A-7-232234 (JP, A) (58) Fields investigated (Int.Cl. 7 , DB name) B22C 5/00-25/00
Claims (4)
型板に上下摺動自在に環装されて昇降可能に配設された
下補助枠と；この下補助枠の上方に昇降可能に配設され
た鋳枠と；この鋳枠の上方に昇降可能に配設された上補
助枠と；前記鋳枠の上方に昇降可能に配設され下部が前
記上補助枠に上下摺動自在に貫装された圧縮手段と；に
よって画成された鋳型造型空間に鋳物砂を充填し圧縮す
る方法であって、前記鋳型造型空間に鋳物砂を充填する
工程と、少なくとも前記下補助枠が下降不可能な状態の
下に前記圧縮手段を下降させて前記鋳型造型空間の鋳物
砂を圧縮する第1圧縮工程と、前記上・下補助枠および
前記鋳枠が下降可能な状態の下に前記圧縮手段を下降さ
せて前記鋳型造型空間の鋳物砂をさらに圧縮する第２圧
縮工程と、を有することを特徴とする鋳物砂の充填圧縮
方法。1. A model plate fixed in a horizontal state; a lower auxiliary frame mounted on the model plate so as to be vertically slidable so as to be able to move up and down; A casting frame disposed above the casting frame; an upper auxiliary frame disposed above and below the casting frame; and an upper auxiliary frame disposed above and above the casting frame so that a lower portion can slide up and down on the upper auxiliary frame. A method for filling and compressing molding sand in a molding space defined by a compression means, the step of filling the molding space with molding sand, and at least lowering the lower auxiliary frame. A first compression step of compressing the molding sand in the mold molding space by lowering the compression means under an impossible state, the compression under a state in which the upper and lower auxiliary frames and the molding frame can be lowered. A second compression step of further lowering the means to further compress the foundry sand in the molding space. A method for filling and compressing foundry sand characterized by the above.
おいて、前記第２圧縮工程における前記圧縮手段による
圧縮力が、前記第1圧縮工程のときよりも大きいことを
特徴とする鋳物砂の充填圧縮方法。2. The method for filling and compressing foundry sand according to claim 1, wherein the compressing force by the compressing means in the second compressing step is larger than that in the first compressing step. Filling and compressing method.
縮方法において、相互に独立して下降可能な複数の圧縮
部材または背面に圧力流体が作用する可撓性膜を備えた
圧縮手段によって前記鋳型造型空間の鋳物砂を圧縮する
ことを特徴とする鋳物砂の充填圧縮方法。3. The method for filling and compressing foundry sand according to claim 1 or 2, wherein a plurality of compression members capable of descending independently of each other or compression means provided with a flexible membrane on the back surface of which a pressure fluid acts. A method for filling and compressing molding sand in which the molding sand in the molding space is compressed by the method described above.
で画成した鋳型造型空間に鋳物砂を充填した後2段階に
わたって圧縮する装置であって、水平状にして固定され
た模型板と；この模型板に上下摺動自在に環装されて昇
降可能に配設された下補助枠と；この下補助枠の上方に
昇降可能に配設された鋳枠と；この鋳枠の上方に昇降可
能に配設された上補助枠と；前記鋳枠の上方に昇降可能
に配設され下部が前記上補助枠に上下摺動自在に貫装さ
れた圧縮手段と；を備えたことを特徴とする鋳物砂の充
填圧縮装置。4. A device for filling a molding space defined by a model plate, a casting frame, an auxiliary frame, and a compression means with molding sand and then compressing the sand in two steps, which is fixed horizontally. A model plate; a lower auxiliary frame mounted on the model plate so as to be slidable up and down so as to be movable up and down; a casting frame arranged above the lower auxiliary frame so as to be movable vertically; An upper auxiliary frame that is vertically movable above the frame; and a compression unit that is vertically movable above the casting frame and has a lower portion vertically slidably inserted into the upper auxiliary frame. A filling and compressing device for foundry sand characterized by the above.
Priority Applications (14)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000111700A JP3407879B2 (en) | 2000-04-13 | 2000-04-13 | Method and apparatus for filling and compressing molding sand |
| AT01921829T ATE356679T1 (en) | 2000-04-13 | 2001-04-13 | COMPRESSION METHOD FOR CASTING SAND AND DEVICE THEREOF |
| CNB200510079148XA CN1326644C (en) | 2000-04-13 | 2001-04-13 | Compressing method for casting sand and device therefor |
| EP01921829A EP1222979B1 (en) | 2000-04-13 | 2001-04-13 | Compressing method for casting sand and device therefor |
| DE60127231T DE60127231T2 (en) | 2000-04-13 | 2001-04-13 | COMPRESSION METHOD FOR GIESS SAND AND DEVICE THEREFOR |
| CNB2005101135134A CN100544856C (en) | 2000-04-13 | 2001-04-13 | The compression method of molding sand |
| KR1020017016057A KR100778162B1 (en) | 2000-04-13 | 2001-04-13 | Compressing method for casting sand and device therefor |
| TW090108855A TW555599B (en) | 2000-04-13 | 2001-04-13 | Compressing method for casting sand and device therefor |
| US10/009,633 US6749003B2 (en) | 2000-04-13 | 2001-04-13 | Compressing method for casting sand and device therefor |
| PCT/JP2001/003188 WO2001078921A1 (en) | 2000-04-13 | 2001-04-13 | Compressing method for casting sand and device therefor |
| CNB018009255A CN1234481C (en) | 2000-04-13 | 2001-04-13 | Compressing method for casting sand and device therefor |
| BR0105940-8A BR0105940A (en) | 2000-04-13 | 2001-04-13 | Method and apparatus for compacting molding sand |
| MXPA01012793A MXPA01012793A (en) | 2000-04-13 | 2001-04-13 | Compressing method for casting sand and device therefor. |
| ES01921829T ES2284630T3 (en) | 2000-04-13 | 2001-04-13 | COMPRESSION PROCEDURE AND APPLIANCE FOR FOUNDING SAND. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000111700A JP3407879B2 (en) | 2000-04-13 | 2000-04-13 | Method and apparatus for filling and compressing molding sand |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001293539A JP2001293539A (en) | 2001-10-23 |
| JP3407879B2 true JP3407879B2 (en) | 2003-05-19 |
Family
ID=18623983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000111700A Expired - Fee Related JP3407879B2 (en) | 2000-04-13 | 2000-04-13 | Method and apparatus for filling and compressing molding sand |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP3407879B2 (en) |
| CN (2) | CN1326644C (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5071591B2 (en) * | 2009-12-04 | 2012-11-14 | 新東工業株式会社 | Mold making apparatus and mold making method |
| CN101823127B (en) * | 2010-04-26 | 2012-04-18 | 陆腾 | Sand-cast molding compacting device and compacting method thereof |
| JP5626639B2 (en) * | 2010-08-09 | 2014-11-19 | 新東工業株式会社 | Mold making method |
| CN102962407A (en) * | 2012-11-07 | 2013-03-13 | 韶关市新世科壳型铸造有限公司 | Moulding process for green sand by floatation and random compaction method |
| CN107303598B (en) * | 2016-04-18 | 2022-12-16 | 杭州沪宁电梯部件股份有限公司 | Wet sand boxed molding machine |
| CN105921699B (en) * | 2016-06-20 | 2017-12-29 | 杨合军 | Full automatic car brake disc blank makes special plane and the technique for pouring into a mould brake disc |
| CN106827174B (en) * | 2016-12-25 | 2019-01-22 | 重庆市永川区泰兴机械厂 | Mold manufacturing device |
| CN112088057A (en) * | 2018-05-07 | 2020-12-15 | 新东工业株式会社 | Mold forming apparatus, mold quality evaluation apparatus, and mold quality evaluation method |
| WO2019239735A1 (en) * | 2018-06-15 | 2019-12-19 | 新東工業株式会社 | Green sand mold molding sensor and green sand mold moldability evaluation method |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1508749A1 (en) * | 1966-06-03 | 1970-03-26 | Zd Za Elektromotori | Process and device for making molds |
| DE2843598A1 (en) * | 1978-10-06 | 1980-04-17 | Arenco Bmd Maschfab | METHOD AND DEVICE FOR COMPRESSING FOUNDRY SAND |
| US4598756A (en) * | 1984-09-04 | 1986-07-08 | Kabushiki Kaisha Komatsu Seisakusho | Method for making sand molds |
| DE3437702C1 (en) * | 1984-10-15 | 1985-06-13 | Eugen Dipl.-Ing. 8877 Burtenbach Bühler | Method and molding plant for the production of horizontally divided boxless sand block casting molds |
| DE3740185A1 (en) * | 1987-06-13 | 1989-06-08 | Badische Maschf Gmbh | METHOD AND DEVICE FOR COMPRESSING MOLDING MATERIAL IN FOUNDRY MOLDING MACHINES |
| CN2037275U (en) * | 1988-09-15 | 1989-05-10 | 陈福泽 | Gas collision and compaction molding machine |
| CZ238894A3 (en) * | 1993-10-29 | 1995-08-16 | Fischer Georg Giessereianlagen | Device for compacting grained moulding materials |
| JP3154369B2 (en) * | 1994-02-25 | 2001-04-09 | 新東工業株式会社 | Mold making equipment |
| JP3083042B2 (en) * | 1994-05-12 | 2000-09-04 | 新東工業株式会社 | Mold making method |
| JPH08164444A (en) * | 1994-12-09 | 1996-06-25 | Sintokogio Ltd | Molding machine |
| US5794681A (en) * | 1996-06-07 | 1998-08-18 | Sintokogio, Ltd. | Molding machine |
-
2000
- 2000-04-13 JP JP2000111700A patent/JP3407879B2/en not_active Expired - Fee Related
-
2001
- 2001-04-13 CN CNB200510079148XA patent/CN1326644C/en not_active Expired - Lifetime
- 2001-04-13 CN CNB2005101135134A patent/CN100544856C/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CN100544856C (en) | 2009-09-30 |
| CN1754636A (en) | 2006-04-05 |
| CN1698995A (en) | 2005-11-23 |
| JP2001293539A (en) | 2001-10-23 |
| CN1326644C (en) | 2007-07-18 |
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