JP2001062544A - Shielding member position controlling method of mold making device and its system - Google Patents
Shielding member position controlling method of mold making device and its systemInfo
- Publication number
- JP2001062544A JP2001062544A JP23849199A JP23849199A JP2001062544A JP 2001062544 A JP2001062544 A JP 2001062544A JP 23849199 A JP23849199 A JP 23849199A JP 23849199 A JP23849199 A JP 23849199A JP 2001062544 A JP2001062544 A JP 2001062544A
- Authority
- JP
- Japan
- Prior art keywords
- sand
- mold
- shielding
- shielding members
- 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.)
- Granted
Links
Landscapes
- Casting Devices For Molds (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、鋳型造型装置にお
ける遮蔽部材の位置制御方法およびそのシステムに係
り、より詳しくは、模型板と、鋳枠と、盛枠と、複数の
遮蔽部材を有する分割型遮蔽機構と、前記模型板、前記
鋳枠、前記盛枠及び前記分割型遮蔽機構により画成され
た砂充填空間に鋳物砂を供給する砂供給手段と、を備え
た鋳型造型装置において、前記鋳枠内の鋳型の密度をほ
ぼ均一にしかつ前記鋳型におけるキャビティ面の背面に
あたる面が前記鋳枠の表面とほぼ同一になるようにすべ
く前記遮蔽部材の位置を制御する方法およびそのシステ
ムに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and a system for controlling the position of a shielding member in a mold making apparatus, and more particularly, to a division having a model plate, a casting frame, a filling frame, and a plurality of shielding members. A mold shielding mechanism and a sand supply means for supplying molding sand to a sand filling space defined by the model plate, the molding frame, the filling frame and the divided mold shielding mechanism, and a mold molding apparatus comprising: The present invention relates to a method and a system for controlling the position of the shielding member so as to make the density of the mold in the flask substantially uniform and to make the surface corresponding to the back surface of the cavity surface in the mold substantially the same as the surface of the flask.
【０００２】[0002]
【従来の技術】一般に従来の鋳枠付き鋳型の鋳型造型装
置においては、模型板上の鋳枠への鋳物砂の充填は、鋳
物砂をホッパーから重力落下により鋳枠内に供給し、そ
の後供給された鋳物砂の上面を適宜の手段で引き掻いて
平坦状にする工程で行なっていた。2. Description of the Related Art In general, in a conventional molding apparatus for a mold with a molding flask, the molding sand is filled into a molding flask on a model plate by feeding the molding sand into the molding flask from a hopper by gravity. This was performed in a step of scraping the upper surface of the found foundry sand by appropriate means to make it flat.
【０００３】[0003]
【発明が解決しようとする課題】しかし、このような従
来の鋳物砂の充填方式では、模型板の模型部の高さに関
係なく鋳物砂が鋳枠内に供給されるため、鋳物砂をスク
イズして造型された鋳型は、模型部の高さの相違によっ
て鋳型の密度が異なるなどの問題があった。However, in such a conventional molding sand filling method, since the molding sand is supplied into the casting frame regardless of the height of the model portion of the model plate, the molding sand is squeezed. The molds formed in this manner have problems such as a difference in the density of the mold due to a difference in the height of the model portion.
【０００４】しかも、従来の鋳物砂の充填方式では、鋳
枠への鋳物砂の供給量は模型板の模型の形状によって変
わるにもかかわらず、ホッパからの鋳物砂の排出量はほ
ぼ一定であるため、模型板模型の形状変化に伴い鋳枠へ
の鋳物砂の充填状態が変わる。これに伴って鋳物砂をス
クイズすると、鋳型が鋳枠から突出した状態に成ること
がある。この場合には鋳型表面を鋳枠のそれと同一のレ
ベルにすべく鋳型を掻き取る必要があり、この結果、無
駄な鋳物砂が大量に発生したり、サンドカット装置が必
要になったり、掻き取った鋳物砂が飛散するなどの問題
も生じていた。In addition, in the conventional method of filling molding sand, the amount of molding sand discharged from the hopper is almost constant, although the amount of molding sand supplied to the casting flask changes depending on the shape of the model plate. Therefore, the filling state of the casting sand in the casting flask changes with the shape change of the model plate model. As a result, when the molding sand is squeezed, the mold may protrude from the flask. In this case, it is necessary to scrape the mold so that the surface of the mold is at the same level as that of the flask, and as a result, a large amount of waste molding sand is generated, a sand cutting device is required, or the scraping is performed. Also, problems such as scattering of foundry sand have occurred.
【０００５】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、模型板と、鋳枠と、盛枠と、複数の遮
蔽部材を有する分割型遮蔽機構と、前記模型板、前記鋳
枠、前記盛枠および前記分割型遮蔽機構により画成され
た砂充填空間に鋳物砂を供給する砂供給手段と、を備え
た鋳型造型装置において、前記鋳枠内の鋳型の密度をほ
ぼ均一にしかつ前記鋳型におけるキャビティ面の背面に
あたる面が前記鋳枠の表面とほぼ同一になるようにすべ
く前記遮蔽部材の位置を制御する方法およびそのシステ
ム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 casting frame, a filling frame, a split type shielding mechanism having a plurality of shielding members, the model plate, A sand supply means for supplying molding sand to a sand filling space defined by the casting frame, the filling frame and the split mold shielding mechanism, and a mold molding apparatus comprising: And a method and system for controlling the position of the shielding member so that the surface corresponding to the back surface of the cavity surface in the mold is substantially the same as the surface of the flask.
【０００６】[0006]
【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の鋳型造型装置における遮蔽部材の位置
制御方法は、模型板と、この模型板上に載置可能な鋳枠
と、この鋳枠上に載置可能な盛枠と、少なくともこの盛
枠に進入可能でありかつ表面がこの表面に相対向する前
記模型板の模型部とで所要の間隔を成す位置に一時維持
可能な複数の遮蔽部材を有する分割型遮蔽機構と、前記
模型板、前記鋳枠、前記盛枠及び前記分割型遮蔽機構に
より画成された砂充填空間に鋳物砂を供給する砂供給手
段と、を備えた鋳型造型装置において、前記鋳枠内の鋳
型の密度をほぼ均一にしかつ前記鋳型におけるキャビテ
ィ面の背面にあたる面が前記鋳枠の表面とほぼ同一にな
るようにすべく前記遮蔽部材の位置を制御する方法であ
って、前記砂充填空間の鋳物砂をスクイズして前記分割
型遮蔽機構の複数の遮蔽部材に作用する反力をそれぞれ
測定する工程と、この測定結果に基づき次回の砂充填空
間に関連する前記複数の遮蔽部材のそれぞれがこれに相
対向する前記模型板の模型部とで成す間隔をそれぞれ補
正する工程と、を含んでいて、鋳物砂の充填後、鋳枠等
内に充填された鋳物砂を適宜の慣用の鋳型造型機により
スクイズする。According to a first aspect of the present invention, there is provided a method for controlling the position of a shielding member in a mold making apparatus, comprising: a model plate; a mold frame mountable on the model plate; A filling frame that can be placed on the casting frame, and can be temporarily maintained at a position where a required space is formed between at least the filling frame and a model portion of the model plate whose surface is opposed to the surface. Divided mold shielding mechanism having a plurality of shielding members, and sand supply means for supplying molding sand to a sand filling space defined by the model plate, the casting frame, the filling frame and the divided mold shielding mechanism. In the mold making apparatus provided, the position of the shielding member is set so that the density of the mold in the mold is substantially uniform and the surface corresponding to the back surface of the cavity surface in the mold is substantially the same as the surface of the mold. A method of controlling, wherein said sand filling Measuring the reaction force acting on the plurality of shielding members of the split-type shielding mechanism by squeezing the molding sand between, and each of the plurality of shielding members related to the next sand filling space based on the measurement result Correcting each of the intervals formed by the model portion of the model plate opposed to this, and after filling with the molding sand, the molding sand filled in the casting frame or the like is appropriately molded into a conventional mold. Squeeze with a molding machine.
【０００７】また、請求項２の鋳型造型装置における遮
蔽部材の位置制御システムは、模型板と、この模型板上
に載置可能な鋳枠と、この鋳枠上に載置可能な盛枠と、
少なくともこの盛枠に進入可能でありかつ表面がこの表
面に相対向する前記模型板の模型部とで所要の間隔を成
す位置に一時維持可能な複数の遮蔽部材を有する分割型
遮蔽機構と、前記模型板、前記鋳枠、前記盛枠及び前記
分割型遮蔽機構により画成された砂充填空間に鋳物砂を
供給する砂供給手段と、を備えた鋳型造型装置におい
て、前記鋳枠内の鋳型の密度をほぼ均一にしかつ前記鋳
型におけるキャビティ面の背面にあたる面が前記鋳枠の
表面とほぼ同一になるようにすべく前記遮蔽部材の位置
を制御するシステムであって、前記砂充填空間の鋳物砂
をスクイズして前記分割型遮蔽機構の複数の遮蔽部材に
作用する反力をそれぞれ測定する反力測定手段と、この
反力測定手段の測定結果に基づき次回の砂充填空間に関
連する前記複数の遮蔽部材のそれぞれがこれに相対向す
る前記模型板の模型部とで成す間隔をそれぞれ演算する
間隔演算手段と、を有していることを特徴とする。In a second aspect of the present invention, a position control system for a shielding member in a mold making apparatus includes a model plate, a mold frame placed on the model plate, and a fill frame placed on the mold frame. ,
A split-type shielding mechanism having a plurality of shielding members which are at least capable of entering the filling frame and whose surface is temporarily maintained at a position forming a required interval with a model portion of the model plate opposed to the surface; A sand plate supplying means for supplying molding sand to a sand filling space defined by the model plate, the molding flask, the filling frame and the divided mold shielding mechanism, and a mold molding apparatus comprising: A system for controlling the position of the shielding member so that the density is substantially uniform and the surface corresponding to the back surface of the cavity surface in the mold is substantially the same as the surface of the flask, wherein the casting sand in the sand filling space is provided. Reaction force measuring means for squeezing and measuring the reaction force acting on the plurality of shielding members of the split type shielding mechanism, and the plurality of the plurality of sand filling spaces based on the measurement results of the reaction force measuring means. Interception Each member is characterized in that a, a distance calculation means for calculating each interval formed between the model part of the model plate opposed thereto.
【０００８】[0008]
【実施例１】以下、発明の実施例を図１〜図３に基づき
詳細に説明する。図１は、本発明の一実施例の所要部を
示す縦断面図であって、鋳物砂の鋳枠等への充填とスク
イズ機能を備えた装置を示す。そして、図示しない適宜
の慣用手段により間欠的に水平移動可能に配置された移
動定盤１の上面上には、模型板２がセットしてあり、前
記移動定盤１が一時停止する所定位置における前記模型
板２の上方位置に、鋳枠３が図示しない枠搬送装置によ
り入出しかつ昇降するようになっている。また、前記所
定位置における前記鋳枠３の上方位置には、下端部に盛
枠４を所要距離上下動可能にして垂設された分割型遮蔽
機構５が図示しないアクチュエータにより昇降可能にし
て配設してある。Embodiment 1 Hereinafter, an embodiment of the present invention will be described in detail with reference to FIGS. FIG. 1 is a longitudinal sectional view showing a required portion of one embodiment of the present invention, and shows an apparatus having a function of filling a molding frame or the like with molding sand and a squeezing function. A model plate 2 is set on the upper surface of the movable surface plate 1 which is intermittently horizontally movable by a suitable conventional means (not shown), and is provided at a predetermined position where the movable surface plate 1 temporarily stops. The casting frame 3 is moved in and out of the model plate 2 by a frame transport device (not shown) and moves up and down. In addition, at the predetermined position above the flask 3 at the predetermined position, a divided type shielding mechanism 5 vertically suspended at a lower end so as to be able to move up and down a required distance is provided so as to be able to move up and down by an actuator (not shown). I have.
【０００９】そして、前記分割型遮蔽機構５は、スクイ
ズヘッド機能も兼ね備えている。また、この分割型遮蔽
機構５においては、前記盛枠４を所要距離上下動可能に
して垂設された逆置箱状の支持部材６が設けてあり、支
持部材６の上面には砂供給手段としての四角筒状の砂ホ
ッパ７が設けてある。前記支持部材６の下部空間内に
は、複数の遮蔽部材８・８が碁盤の目状に配置されかつ
上下動自在にして設けてあり、これら遮蔽部材８・８の
それぞれは、図２に示すように、下端を板材でかつ上端
を孔９付き角材でそれぞれ閉鎖されたシリンダ構造を成
しており、さらにこれら遮蔽部材８・８の各内部にはピ
ストン１０を一体的に設けたピストンロッド１１が前記
孔付き板材の孔９を貫通して上下摺動自在にして装着し
てあり、ピストンロッド１１の上端部は前記支持部材６
に装着してある。The split type shielding mechanism 5 also has a squeeze head function. In this split type shielding mechanism 5, an inverted box-shaped support member 6 is provided, which is vertically suspended so that the filling frame 4 can be moved up and down a required distance, and a sand supply means is provided on the upper surface of the support member 6. A rectangular sand hopper 7 is provided. In the lower space of the support member 6, a plurality of shielding members 8.8 are arranged in a grid pattern and provided so as to be vertically movable, and each of these shielding members 8.8 is shown in FIG. Thus, the lower end is formed of a cylinder and the upper end is closed by a plate with a hole 9 and the end of the cylinder is closed. Further, a piston rod 11 integrally provided with a piston 10 is provided in each of the shielding members 8. Is mounted slidably up and down through the hole 9 of the plate material with holes, and the upper end of the piston rod 11 is attached to the support member 6.
It is attached to.
【００１０】また、前記ピストンロッド１１、１１のそ
れぞれには、これに沿って延びて前記ピストン１０を貫
通する第１貫通孔１２と、ピストンロッド１１に沿って
延びるがピストン１０を貫通しない第２貫通孔１３とが
それぞれ透設してあり、各第１・第２貫通孔１２・１３
は、方向切換弁１４を介してて図示しない油圧ユニット
に接続してある。また、各第１貫通孔１２と各方向切換
弁１４との間には、砂充填空間の鋳物砂をスクイズして
前記分割型遮蔽機構の複数の遮蔽部材に作用する反力を
それぞれ測定する反力測定手段としての圧力センサ１５
と、前記第１貫通孔１２への圧油の流量を調整する流量
調整弁１７とが装着してある。これら複数の圧力センサ
１５・１５および流量調整弁１７・１７のそれぞれに
は、この圧力センサ１５・１５の測定結果に基づき次回
の砂充填空間に関連する前記複数の遮蔽部材のそれぞれ
がこれに相対向する前記模型板の模型部とで成す間隔を
それぞれ演算する間隔演算手段としてのマイクロコンピ
ュータ１８が電気的に接続してある。Each of the piston rods 11, 11 has a first through hole 12 extending along the piston rod and penetrating the piston 10, and a second through hole extending along the piston rod 11 but not penetrating the piston 10. Each of the first and second through holes 12 and 13 has a through hole 13 therethrough.
Are connected to a hydraulic unit (not shown) via a direction switching valve 14. In addition, between each of the first through holes 12 and each of the directional control valves 14, a reaction force for squeezing the molding sand in the sand filling space and measuring reaction forces acting on the plurality of shielding members of the split type shielding mechanism is measured. Pressure sensor 15 as force measuring means
And a flow rate adjusting valve 17 for adjusting the flow rate of the pressure oil to the first through hole 12. Each of the plurality of pressure sensors 15 and 15 and the flow control valves 17 and 17 have the plurality of shielding members associated with the next sand filling space based on the measurement results of the pressure sensors 15 and 15 respectively. A microcomputer 18 is electrically connected as interval calculating means for calculating an interval formed between the facing model portion and the model portion.
【００１１】これに伴ない、複数の遮蔽部材８・８は、
図1に示すように、これら遮蔽部材８・８に相対向する
前記模型板２の模型部とで成す複数の間隔について、ス
クイズ前とスクイズ後の割合が相互に限りなく近くよう
な位置に維持できるようになっている。すなわち、スク
イズ前における遮蔽部材８・８とこれに相対向する前記
模型板２の模型部とで成す複数の間隔をA，Bとし、スク
イズ後におけるそれらをａ，ｂとすると（図２参照）、
これらの割合ａ／Ａおよびｂ／Ｂが、ａ／Ａ＝ｂ／Ｂの
関係に限りなく近くなるように制御されるようになって
いる。Along with this, the plurality of shielding members 8.8
As shown in FIG. 1, a plurality of intervals formed by the model members of the model plate 2 opposed to the shielding members 8, 8 are maintained at such positions that the ratios before and after squeezing are as close as possible to each other. I can do it. That is, when a plurality of intervals formed by the shielding members 8 before squeezing and the model portion of the model plate 2 facing the squeezing are A and B, and they are a and b after squeezing (see FIG. 2). ,
The ratios a / A and b / B are controlled so as to be as close as possible to the relationship of a / A = b / B.
【００１２】また、図１および図３に示すように、前記
支持部材６における複数の遮蔽部材８・８に囲まれた各
空間内には、砂排出孔１６が形成してあり、各砂排出孔
１６は漏斗状を成している。図中符号１７は安全弁であ
る。As shown in FIGS. 1 and 3, a sand discharge hole 16 is formed in each space surrounded by a plurality of shielding members 8 in the support member 6, and each sand discharge hole 16 is formed. The hole 16 has a funnel shape. Reference numeral 17 in the figure denotes a safety valve.
【００１３】次に、上記の装置を用いて、鋳枠３内の鋳
型の密度をほぼ均一にしかつ鋳型におけるキャビティ面
の背面にあたる面が鋳枠３の表面とほぼ同一になる鋳型
の造型手順について説明する。まず、図１に示すよう
に、模型板２上に鋳枠３を、鋳枠３上に盛枠４および分
割型遮蔽機構５をそれぞれ重ね合わせた後、方向切換弁
１４・１４を適宜切り替えて複数の第１貫通孔１２・１
２を介して複数の遮蔽部材８・８にこけるピストン１０
・１０の下側に圧油をそれぞれ供給して複数の遮蔽部材
８・８を下降させるとともに、複数の遮蔽部材８・８
を、これらに相対向する模型板２の模型部とで成す複数
の間隔について、スクイズ前とスクイズ後の割合が相互
に限りなく近づくような位置Ａ・Ｂに維持する。言い換
えると、模型部の高さが高い部分では遮蔽部材８が下降
して圧縮される鋳物砂の量を少なくし、模型部の高さが
低い部分では、遮蔽部材８は上昇したままで、圧縮され
る鋳物砂の量を多くするように移動して、模型板２・鋳
枠３・盛枠４・複数の遮蔽部材８・８により、砂充填空
間を構成する。Next, using the above-described apparatus, a molding procedure of a mold in which the density of the mold in the mold 3 is made substantially uniform and the surface corresponding to the back surface of the cavity surface in the mold is substantially the same as the surface of the mold 3 will be described. explain. First, as shown in FIG. 1, the casting flask 3 is placed on the model plate 2, and the filling frame 4 and the split mold shielding mechanism 5 are placed on the casting flask 3, and then the direction switching valves 14 are appropriately switched. Plurality of first through holes 12.1
Piston 10 which pierces a plurality of shielding members 8.8 via 2
10 to supply pressure oil to the lower side to lower the plurality of shielding members 8.8,
Are maintained at positions A and B such that the ratios before squeezing and after squeezing are as close as possible to each other with respect to a plurality of intervals formed by the model portions of the model plate 2 opposed to these. In other words, when the height of the model is high, the shielding member 8 is lowered to reduce the amount of molding sand that is compressed, and in the portion where the height of the model is low, the shielding member 8 is kept up and compressed. By moving so as to increase the amount of molding sand to be formed, a sand filling space is constituted by the model plate 2, the casting frame 3, the filling frame 4, and the plurality of shielding members 8.8.
【００１４】次いで、図示しない砂投入機構により砂ホ
ッパ７に鋳物砂を投入して、鋳物砂を分割型遮蔽機構５
の砂ホッパ７から複数の砂排出孔１６・１６を通して砂
充填空間内に供給し、続いて、図３に示すように、図示
しないアクチュエーターにより、分割型遮蔽機構５を下
降させて砂充填空間内の鋳物砂を複数の遮蔽部材８・８
によりスクイズする。この複数の遮蔽部材８・８のスク
イズ作動に伴い、鋳物砂の遮蔽部材８・８への反力が遮
蔽部材８・８の下降力より大きくなると、遮蔽部材８・
８は、分割型遮蔽機構５の下降に伴って相対的には上昇
端まで押し上げられることとなる。こうして、分割型遮
蔽機構５が所定の位置まで下降し、鋳物砂を均一にスク
イズした状態では、全ての遮蔽部材８・８は、上昇端に
移動してスクイズ面が平坦状態で均一にスクイズされた
鋳型を造型できる。Next, molding sand is introduced into the sand hopper 7 by a sand introducing mechanism (not shown), and the molding sand is separated from the divided type shielding mechanism 5.
The sand is supplied from the sand hopper 7 through a plurality of sand discharge holes 16 into the sand filling space, and then, as shown in FIG. Of the foundry sand to a plurality of shielding members
To squeeze. With the squeezing operation of the plurality of shielding members 8.8, if the reaction force of the molding sand to the shielding members 8.8 becomes larger than the descending force of the shielding members 8.8,
8 is relatively pushed up to the rising end as the split type shielding mechanism 5 descends. In this way, in a state where the split-type shielding mechanism 5 is lowered to a predetermined position and the casting sand is uniformly squeezed, all the shielding members 8.8 are moved to the rising end, and the squeeze surface is evenly squeezed in a flat state. Mold can be molded.
【００１５】さらに、スクイズ完了時に遮蔽部材８・８
のそれぞれに作用する鋳物砂の反力（鋳型密度）を圧力
センサ１５で測定し、この測定結果に基づき、コンピュ
ータ１８からの指令によって流量調整弁１７・１７を適
宜作動して前回の鋳物砂供給時における砂充填空間に関
連する複数の遮蔽部材８・８の下降位置を補正しながら
をこれらを下降させ、砂充填空間内への鋳物砂の供給量
を増減させて、スクイズ後の鋳型密度すなわちスクイズ
完了時の反力が同じになるように制御する。Further, when the squeeze is completed, the shielding members 8.8
The reaction force (mold density) of the molding sand acting on each of the above is measured by the pressure sensor 15, and based on the measurement results, the flow rate adjusting valves 17 are appropriately operated by a command from the computer 18 to supply the previous molding sand. While lowering the lowering positions of the plurality of shielding members 8, 8 related to the sand filling space at the time, they are lowered to increase or decrease the amount of molding sand supplied into the sand filling space, and the mold density after squeezing, that is, Control is performed so that the reaction force at the completion of squeeze is the same.
【００１６】なお、上記の実施例では、鋳物砂のスクイ
ズ造型は、鋳物砂充填装置で行なったが、この鋳物砂充
填装置で模型板上の鋳枠内に所要量の鋳物砂を供給した
後、適宜の慣用鋳型造型機で鋳物砂をスクイズして所望
の鋳型を造型するようにしてもよい。In the above embodiment, the molding sand is squeezed by the molding sand filling apparatus. After the molding sand is supplied to the casting frame on the model plate by the molding sand filling apparatus, a required amount of molding sand is supplied. Alternatively, the molding sand may be squeezed by a suitable conventional mold making machine to form a desired mold.
【００１７】[0017]
【発明の効果】上記の説明から明らかなように、請求項
１鋳型造型装置における遮蔽部材の位置制御方法は、模
型板と、この模型板上に載置可能な鋳枠と、この鋳枠上
に載置可能な盛枠と、少なくともこの盛枠に進入可能で
ありかつ表面がこの表面に相対向する前記模型板の模型
部とで所要の間隔を成す位置に一時維持可能な複数の遮
蔽部材を有する分割型遮蔽機構と、前記模型板、前記鋳
枠、前記盛枠及び前記分割型遮蔽機構により画成された
砂充填空間に鋳物砂を供給する砂供給手段と、を備えた
鋳型造型装置において、前記鋳枠内の鋳型の密度をほぼ
均一にしかつ前記鋳型におけるキャビティ面の背面にあ
たる面が前記鋳枠の表面とほぼ同一になるようにすべく
前記遮蔽部材の位置を制御する方法であって、前記砂充
填空間の鋳物砂をスクイズして前記分割型遮蔽機構の複
数の遮蔽部材に作用する反力をそれぞれ測定する工程
と、この測定結果に基づき次回の砂充填空間に関連する
前記複数の遮蔽部材のそれぞれがこれに相対向する前記
模型板の模型部とで成す間隔をそれぞれ補正する工程
と、を含んでいて、鋳物砂の充填後、鋳枠等内に充填さ
れた鋳物砂を適宜の慣用の鋳型造型機によりスクイズす
るようにして、鋳物砂の充填後、鋳枠等内に充填された
鋳物砂を適宜の慣用の鋳型造型機によりスクイズするよ
うにしたから、鋳枠内の鋳型の密度をほぼ均一にしかつ
鋳型におけるキャビティ面の背面にあたる面が鋳枠の表
面とほぼ同一になるように、鋳物砂を模型板上の鋳枠内
に容易かつ確実に充填することができるなどの優れた実
用的効果を奏する。As is apparent from the above description, the method for controlling the position of the shielding member in the mold making apparatus is characterized in that a model plate, a mold frame that can be placed on the model plate, And a plurality of shielding members that can be temporarily maintained at a position where at least a required space is formed between the filling frame and a model portion of the model plate whose surface is opposed to the filling frame and whose surface is opposed to the surface. And a sand supply means for supplying molding sand to a sand filling space defined by the model plate, the casting frame, the fill frame and the divided mold shielding mechanism. The method of controlling the position of the shielding member so that the density of the mold in the flask is substantially uniform and the surface corresponding to the back surface of the cavity surface in the mold is substantially the same as the surface of the flask. The casting sand in the sand filling space Quiz to measure the reaction force acting on the plurality of shielding members of the split type shielding mechanism, and based on the measurement result, the plurality of shielding members related to the next sand filling space face each other Correcting each of the intervals formed by the model portion of the model plate, and then, after filling the molding sand, squeezing the molding sand filled in the casting flask or the like by an appropriate conventional molding machine. In this way, after filling the molding sand, the molding sand filled in the casting flask and the like was squeezed by an appropriate conventional mold molding machine, so that the density of the mold in the molding flask was made substantially uniform and in the mold. An excellent practical effect is obtained such that the molding sand can be easily and reliably filled in the casting frame on the model plate so that the surface corresponding to the back surface of the cavity surface is substantially the same as the surface of the casting frame.
【００１８】また、請求項３の鋳型造型装置における遮
蔽部材の位置制御システムは、模型板と、この模型板上
に載置可能な鋳枠と、この鋳枠上に載置可能な盛枠と、
少なくともこの盛枠に進入可能でありかつ表面がこの表
面に相対向する前記模型板の模型部とで所要の間隔を成
す位置に一時維持可能な複数の遮蔽部材を有する分割型
遮蔽機構と、前記模型板、前記鋳枠、前記盛枠及び前記
分割型遮蔽機構により画成された砂充填空間に鋳物砂を
供給する砂供給手段と、を備えた鋳型造型装置におい
て、前記鋳枠内の鋳型の密度をほぼ均一にしかつ前記鋳
型におけるキャビティ面の背面にあたる面が前記鋳枠の
表面とほぼ同一になるようにすべく前記遮蔽部材の位置
を制御するシステムであって、前記砂充填空間の鋳物砂
をスクイズして前記分割型遮蔽機構の複数の遮蔽部材に
作用する反力をそれぞれ測定する反力測定手段と、この
反力測定手段の測定結果に基づき次回の砂充填空間に関
連する前記複数の遮蔽部材のそれぞれがこれに相対向す
る前記模型板の模型部とで成す間隔をそれぞれ演算する
間隔演算手段と、を有しているから、鋳枠内の鋳型の密
度をほぼ均一にしかつ鋳型におけるキャビティ面の背面
にあたる面が鋳枠の表面とほぼ同一になる鋳型を容易か
つ確実に造型することができ、しかも、別途スクイズヘ
ッドが必要がないため、このための鋳型造型装置は、全
体的にはコンパクトになるなどの優れた実用的効果を奏
する。Further, the position control system of the shielding member in the mold making apparatus according to the third aspect of the present invention comprises a model plate, a mold frame placed on the model plate, and a fill frame placed on the mold frame. ,
A split-type shielding mechanism having a plurality of shielding members which are at least capable of entering the filling frame and whose surface is temporarily maintained at a position forming a required interval with a model portion of the model plate opposed to the surface; A sand plate supplying means for supplying molding sand to a sand filling space defined by the model plate, the molding flask, the filling frame and the divided mold shielding mechanism, and a mold molding apparatus comprising: A system for controlling the position of the shielding member so that the density is substantially uniform and the surface corresponding to the back surface of the cavity surface in the mold is substantially the same as the surface of the flask, wherein the casting sand in the sand filling space is provided. Reaction force measuring means for squeezing and measuring the reaction force acting on the plurality of shielding members of the split type shielding mechanism, and the plurality of the plurality of sand filling spaces based on the measurement results of the reaction force measuring means. Interception Interval calculating means for calculating an interval between each of the members and the model portion of the model plate opposed to the member, so that the density of the mold in the flask is substantially uniform and the cavity in the mold is formed. It is possible to easily and reliably mold a mold in which the surface corresponding to the back of the surface is almost the same as the surface of the flask, and furthermore, since a separate squeeze head is not required, the mold molding apparatus for this It has excellent practical effects such as compactness.
【図１】本発明の一実施例の主要部の縦断面図であっ
て、砂供給時の砂供給空間の形状を示す。FIG. 1 is a longitudinal sectional view of a main part of an embodiment of the present invention, showing a shape of a sand supply space when sand is supplied.
【図２】図１の主要部の拡大詳細図である。FIG. 2 is an enlarged detailed view of a main part of FIG.
【図３】本発明の一実施例の主要部の縦断面図であっ
て、スクイズ時の砂供給空間の形状を示す。FIG. 3 is a longitudinal sectional view of a main part of one embodiment of the present invention, showing a shape of a sand supply space at the time of squeezing.
２ 模型板 ３ 鋳枠 ４ 盛枠 ５ 分割型遮蔽機構 ８ 遮蔽部材 １５ 圧力センサ コンピュータ 2 Model plate 3 Cast frame 4 Fill frame 5 Dividing type shielding mechanism 8 Shielding member 15 Pressure sensor Computer
Claims (2)
枠と、この鋳枠上に載置可能な盛枠と、少なくともこの
盛枠に進入可能でありかつ表面がこの表面に相対向する
前記模型板の模型部とで所要の間隔を成す位置に一時維
持可能な複数の遮蔽部材を有する分割型遮蔽機構と、前
記模型板、前記鋳枠、前記盛枠及び前記分割型遮蔽機構
により画成された砂充填空間に鋳物砂を供給する砂供給
手段と、を備えた鋳型造型装置において、前記鋳枠内の
鋳型の密度をほぼ均一にしかつ前記鋳型におけるキャビ
ティ面の背面にあたる面が前記鋳枠の表面とほぼ同一に
なるようにすべく前記遮蔽部材の位置を制御する方法で
あって、前記砂充填空間の鋳物砂をスクイズして前記分
割型遮蔽機構の複数の遮蔽部材に作用する反力をそれぞ
れ測定する工程と、この測定結果に基づき次回の砂充填
空間に関連する前記複数の遮蔽部材のそれぞれがこれに
相対向する前記模型板の模型部とで成す間隔をそれぞれ
補正する工程と、を含むことを特徴とする鋳型造型装置
における遮蔽部材の位置制御方法。1. A model plate, a molding frame mountable on the model plate, a fill frame mountable on the mold frame, and a surface which can enter at least the fill frame and has a surface on the surface. A split-type shielding mechanism having a plurality of shielding members that can be temporarily maintained at a position forming a required distance between the opposing model portions of the model plate, and the model plate, the casting frame, the fill frame, and the split-type shield A sand supply means for supplying molding sand to a sand filling space defined by a mechanism, wherein the density of the mold in the flask is made substantially uniform and the surface corresponding to the back surface of the cavity surface in the mold is provided. Is a method of controlling the position of the shielding member so as to be substantially the same as the surface of the flask, wherein the molding sand in the sand filling space is squeezed to a plurality of shielding members of the split type shielding mechanism. Measuring each of the acting reaction forces; Correcting the distance between each of the plurality of shielding members related to the next sand-filled space and the model portion of the model plate facing each other based on the measurement result. A method for controlling a position of a shielding member in a mold making apparatus.
と、この鋳枠上に載置可能な盛枠と、少なくともこの盛
枠に進入可能でありかつ表面がこの表面に相対向する前
記模型板の模型部とで所要の間隔を成す位置に一時維持
可能な複数の遮蔽部材を有する分割型遮蔽機構と、前記
模型板、前記鋳枠、前記盛枠及び前記分割型遮蔽機構に
より画成された砂充填空間に鋳物砂を供給する砂供給手
段と、を備えた鋳型造型装置において、前記鋳枠内の鋳
型の密度をほぼ均一にしかつ前記鋳型におけるキャビテ
ィ面の背面にあたる面が前記鋳枠の表面とほぼ同一にな
るようにすべく前記遮蔽部材の位置を制御するシステム
であって、前記砂充填空間の鋳物砂をスクイズして前記
分割型遮蔽機構の複数の遮蔽部材に作用する反力をそれ
ぞれ測定する反力測定手段と、この反力測定手段の測定
結果に基づき次回の砂充填空間に関連する前記複数の遮
蔽部材のそれぞれがこれに相対向する前記模型板の模型
部とで成す間隔をそれぞれ演算する間隔演算手段と、を
有することを特徴とする鋳型造型装置における遮蔽部材
の位置制御システム。2. A model plate, a molding frame placed on the model plate, a fill frame placed on the mold frame, and at least a surface which can enter the fill frame and has a surface on the surface. A split-type shielding mechanism having a plurality of shielding members that can be temporarily maintained at a position forming a required distance between the opposing model portions of the model plate, and the model plate, the casting frame, the fill frame, and the split-type shield A sand supply means for supplying molding sand to a sand filling space defined by a mechanism, wherein the density of the mold in the flask is made substantially uniform and the surface corresponding to the back surface of the cavity surface in the mold is provided. Is a system for controlling the position of the shielding member so that it is substantially the same as the surface of the flask, wherein the molding sand in the sand filling space is squeezed to a plurality of shielding members of the split type shielding mechanism. The reaction force that measures each acting reaction force Interval for calculating the interval between each of the plurality of shielding members related to the next sand filling space and the model portion of the model plate facing each other based on the measurement result of the reaction force measuring unit. A position control system of the shielding member in the mold making apparatus, comprising: a calculating means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23849199A JP3833015B2 (en) | 1999-08-25 | 1999-08-25 | Method and system for controlling position of shielding member in mold making apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23849199A JP3833015B2 (en) | 1999-08-25 | 1999-08-25 | Method and system for controlling position of shielding member in mold making apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001062544A true JP2001062544A (en) | 2001-03-13 |
| JP3833015B2 JP3833015B2 (en) | 2006-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23849199A Expired - Fee Related JP3833015B2 (en) | 1999-08-25 | 1999-08-25 | Method and system for controlling position of shielding member in mold making apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102416445A (en) * | 2011-11-23 | 2012-04-18 | 徐水县兴华铸造有限公司 | Clay sand molding equipment and method |
-
1999
- 1999-08-25 JP JP23849199A patent/JP3833015B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102416445A (en) * | 2011-11-23 | 2012-04-18 | 徐水县兴华铸造有限公司 | Clay sand molding equipment and method |
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| Publication number | Publication date |
|---|---|
| JP3833015B2 (en) | 2006-10-11 |
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