JP2008093676A - Method and apparatus for melting and supplying material in metal molding machine - Google Patents

Method and apparatus for melting and supplying material in metal molding machine Download PDF

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JP2008093676A
JP2008093676A JP2006276499A JP2006276499A JP2008093676A JP 2008093676 A JP2008093676 A JP 2008093676A JP 2006276499 A JP2006276499 A JP 2006276499A JP 2006276499 A JP2006276499 A JP 2006276499A JP 2008093676 A JP2008093676 A JP 2008093676A
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bucket
heating furnace
tunnel heating
melting
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Kazuo Anzai
和夫 安在
Keizo Shimizu
敬三 清水
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Nissei Plastic Industrial Co Ltd
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Nissei Plastic Industrial Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To continuously and efficiently perform from melting of a solid material to pouring of the molten material into an injection sleeve by weighing and forming to each one shot one by one by adopting a tunnel heating furnace and a conveying body provided with a bucket in the inner part, as a material supplying means, and setting them on the injection sleeve. <P>SOLUTION: A material discharging port in the box-type tunnel heating furnace is positioned in a pouring port of the injection sleeve. The necessary number of the conveying bodies turnably pivoting the bucket, are mutually approached and held in one line in a conveying path in the tunnel heating furnace, and the conveying body lines are intermittently shifted by the setting strokes by a plunger. Into the bucket stopped at the material charging port in the tunnel heating furnace, the solid material for one shot is charged. The solid material is melted into the full-or the semi-melting state before the packet reaches the material discharging port. The bucket is turnably inclined at the material discharging port and the molten material is poured into the injection sleeve from the material discharging port. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

この発明は、固体の金属材料をトンネル加熱炉内を搬送している間に溶融して金属成形機の射出スリーブに溶融材料として供給する材料溶融供給方法と装置とに関するものである。   The present invention relates to a material melting supply method and apparatus for melting a solid metal material while it is transported in a tunnel heating furnace and supplying it as a molten material to an injection sleeve of a metal forming machine.

金属成形機には、射出加熱筒が備えた供給装置により固体の金属材料を溶融し、その溶融材料を射出加熱筒に設けた保温貯留筒に多数ショット分の溶融材料として蓄積し、その溶融材料を射出プランジャにより１ショット分ずつ計量して金型に射出するものがある。   In a metal forming machine, a solid metal material is melted by a supply device provided in an injection heating cylinder, and the molten material is accumulated as a molten material for a number of shots in a heat retaining storage cylinder provided in the injection heating cylinder. Is measured by a shot by an injection plunger and injected into a mold.

また金属成形機における半凝固金属スラリーの搬送供給手段として、環状に設置した走行レールにモータを駆動源とする走行手段を備えた所要数の搬送台車を設け、その搬送台車の上に設置した保温機能を有する容器保持箱に、半凝固金属スラリー製造機の位置で、半凝固金属スラリーが入った容器をロボットにより収容し、搬送台車の走行により容器をダイキャストの設置位置に運んで、容器内の半凝固金属スラリーをロボットによりダイキャストマシンに供給することが行われている。   Also, as a means for transporting and supplying the semi-solid metal slurry in the metal forming machine, a required number of transport carts equipped with travel means using a motor as a drive source are provided on a travel rail installed in an annular shape, and heat insulation installed on the transport cart In a container holding box that has a function, a container containing semi-solid metal slurry is stored by a robot at the position of the semi-solid metal slurry manufacturing machine, and the container is moved to the die-cast installation position by traveling of the transport carriage, The semi-solid metal slurry is supplied to a die casting machine by a robot.

またトンネル型の半溶融金属冷却炉内にコンベアを通し設け、そのコンベアの上に設けた敷台に半溶融金属スラリーの容器を載置して、コンベアにより容器を移動し、その容器を炉外でロボットにより敷台から取り出して成形機のスリーブに半溶融金属スラリーを供給するものもある。
特開２００５−４０８０７号公報 特開平８−５７５８７号公報 特開平９−１６８８５２号公報 A tunnel-type semi-molten metal cooling furnace is provided through a conveyor, a container of semi-molten metal slurry is placed on a bed provided on the conveyor, the container is moved by the conveyor, and the container is moved outside the furnace. In some cases, a semi-molten metal slurry is supplied to the sleeve of the molding machine by taking it out from the bed by a robot.
Japanese Patent Laying-Open No. 2005-40807 JP-A-8-57587 JP-A-9-168852

多数ショット分の溶融材料を蓄えて１ショット分ずつ射出を行ってゆくと、貯留量が多いほど保温貯留筒における滞留時間が長くなることから、溶融材料中のスラッジやドロス等の不純物の量も増す。この溶融材料中の不純物は貯留量を減らして滞留時間を短くすることにより減少させることができる。しかし、固体材料の溶融には時間を要することから、成形サイクルに対応した溶融材料の供給を円滑に行う上において貯留量の減量にも制限があるとされている。   When many shots of molten material are stored and injected one shot at a time, the longer the retention amount, the longer the residence time in the thermal insulation storage cylinder, so the amount of impurities such as sludge and dross in the molten material also increases. Increase. Impurities in the molten material can be reduced by reducing the storage amount and shortening the residence time. However, since it takes time to melt the solid material, it is said that there is a limit to the reduction in the storage amount in order to smoothly supply the molten material corresponding to the molding cycle.

上記貯留による課題は、１ショット分の固体材料を溶融して射出スリーブ等に注入し、これを射出することによって解決することができる。また成形サイクルに対応した１ショット分ごとの溶融材料の供給も搬送手段の採用により順次行うことができるが、従来の走行レールに搬送台車を設けた搬送手段では、搬送台車の上に設置した保温機能を有する容器保持箱を必要とし、搬送台車をモータにより走行しなければならず、またコンベアの上に設けた敷台に容器を載置した搬送手段ではコンベアの移動手段が必要となる。さらにその何れの搬送手段も容器の受け渡しをロボットにより行うものであることから、溶解炉と金属成形機との間の搬送手段として採用可能であっても、金属成形機の射出スリーブ上に設置する材料溶融供給手段としては採用し難い課題を有する。   The problem due to the above storage can be solved by melting and injecting one shot of solid material into an injection sleeve or the like and injecting it. In addition, it is possible to sequentially supply the molten material for each shot corresponding to the molding cycle by adopting the conveying means. However, in the conventional conveying means provided with the conveying carriage on the traveling rail, the heat insulation installed on the conveying carriage is provided. A container holding box having a function is required, the transport carriage must be driven by a motor, and the transport means in which the container is placed on a bed provided on the conveyor requires a conveyor moving means. In addition, since any of the transfer means performs delivery of the container by a robot, even if it can be adopted as a transfer means between the melting furnace and the metal forming machine, it is installed on the injection sleeve of the metal forming machine. There is a problem that is difficult to adopt as a material melting and supplying means.

この発明は、上記従来の金属成形機における課題を解決するために考えられたものであって、その目的は、トンネル加熱炉とバケットを内部に備えた搬送体との採用により、射出スリーブ上に設置して固体材料の溶融から溶融材料の射出スリーブへの注入を連続して行え、また製品重量の大小にかかわらず金属材料の溶融供給が１ショット分ずつ効率よく行える新たな金属成形機における材料溶融供給方法と装置とを提供することにある。   The present invention was conceived in order to solve the above-described problems in the conventional metal forming machine. The purpose of the present invention is to adopt a tunnel heating furnace and a transport body having a bucket inside, thereby adopting an injection sleeve. A new metal molding machine that can be installed to continuously melt the solid material and inject the molten material into the injection sleeve, and can efficiently melt the metal material one shot at a time regardless of the product weight. The object is to provide a melt supply method and apparatus.

上記目的によるこの発明の溶融材料供給方法は、射出スリーブの注入口に函状のトンネル加熱炉の材料出口を位置させ、そのトンネル加熱炉内の搬送路にバケットを回動自在に軸支した搬送体の所要数を互いに接近させて１列に収容し、その搬送体列をプランジャにより設定ストロークずつ間欠移動して、トンネル加熱炉の材料入口に停止したバケットに１ショット分の固体材料を投入し、その固体材料を該バケットが上記材料出口に達するまでに完全溶融又は半溶融状態に溶融し、その材料出口でバケットを回動傾斜して溶融材料を材料出口から射出スリーブ内に注入する、というものである。   In the molten material supply method of the present invention according to the above object, the material outlet of the box-shaped tunnel heating furnace is positioned at the injection port of the injection sleeve, and the bucket is pivotally supported on the conveyance path in the tunnel heating furnace. The required number of bodies are brought close to each other and accommodated in one row, the transport body row is intermittently moved by a set stroke by a plunger, and a solid material for one shot is put into a bucket stopped at the material inlet of the tunnel heating furnace. The solid material is melted in a completely or semi-molten state until the bucket reaches the material outlet, and the bucket is rotated and inclined at the material outlet to inject the molten material into the injection sleeve from the material outlet. Is.

また上記トンネル加熱炉内の搬送路を往復路と往復路両側の連絡路とから循環構成し、その各路の一路端に上記搬送体を設定ストロークずつ押し送りする上記プランジャを備えた押し送り装置を配設し、各押し送り装置によりトンネル加熱炉内に互いに接近させて１列に収容した所要数の搬送体を、搬送体内のバケットと共に上記材料入口から材料出口方向に順次循環移動して、バケット内への固体材料の投入と、バケット内の固体材料の溶融及び溶融材料の射出スリーブ内への注入とを行う、というものである。   Further, the feed path provided in the tunnel heating furnace includes a reciprocating path and a connecting path on both sides of the reciprocating path, and includes a plunger that pushes the transport body to a path end of each path by a set stroke. The required number of transport bodies accommodated in one row in the tunnel heating furnace by each push feed device are sequentially circulated in the direction from the material inlet to the material outlet together with the buckets in the transport body, The solid material is charged into the bucket, the solid material in the bucket is melted, and the molten material is injected into the injection sleeve.

この発明の材料溶融供給装置は、射出スリーブの注入口に材料出口を位置させて該射出スリーブの上部に設置した函状のトンネル加熱炉と、そのトンネル加熱炉の材料入口に設置した固体材料のホッパーと、左右一対の支持板間にバケットを回動自在に軸承し、支持板から突出した軸端にバケットの回動部材を取付けた直方体形状の搬送体と、その搬送体の所要数を互いに接近させて１列に収容したトンネル加熱炉内の搬送路と、搬送体列を材料入口側から材料出口方向に設定ストロークずつ間欠移動する路端の押し送り装置と、上記バケットの回動部材との関連により該バケットを回動傾斜する材料出口部位に設置した回動傾斜手段とからなる、というものである。   The material melting and supplying apparatus of the present invention includes a box-shaped tunnel heating furnace installed at the top of the injection sleeve with a material outlet located at the injection port of the injection sleeve, and a solid material installed at the material inlet of the tunnel heating furnace. A rectangular parallelepiped transport body in which a bucket is pivotally supported between a hopper and a pair of left and right support plates, and a pivot member of the bucket is attached to a shaft end protruding from the support plate, and the required number of the transport bodies is set to each other. A transport path in a tunnel heating furnace that is approached and accommodated in one row, a path end push-feed device that intermittently moves the transport body row by a set stroke from the material inlet side to the material outlet direction, and a rotating member of the bucket In this connection, the bucket is composed of a pivoting and tilting means installed at a material outlet portion that pivots and tilts the bucket.

また上記トンネル加熱炉内の搬送路を、上下平行に配置した往路及び復路と、その両側に設けた連絡路とにより循環構成し、その連絡路の一方を降下路に他方を上昇路として、往路上部に上記材料入口を復路下部に上記材料出口を設け、降下路と上昇路の下路端に昇降装置により往復路間を昇降移動する上記搬送体の昇降床を配置し、往路の上昇路側の路端と復路の降下路側の路端とに搬送体列を押し送る上記押し送り装置を設けてなる、というものである。   Further, the transport path in the tunnel heating furnace is circulated by a forward path and a return path arranged in parallel vertically, and a connecting path provided on both sides thereof, one of the connecting paths being a descending path and the other being an ascending path, The material inlet is provided in the upper part, the material outlet is provided in the lower part of the return path, and the lifting floor of the carrier that moves up and down between the reciprocating paths by the lifting device is arranged at the lower path end of the descending path and the ascending path. The push-feed device is provided to push the carrier row to the road end and the road end on the descending path side of the return path.

また上記トンネル加熱炉内の搬送路を、左右平行に配置した往路と復路と、その両側に設けた連絡路とにより循環構成し、その連絡路の一方を循環前路に他方を循環後路となし、その往路の循環前路側の上部に上記材料入口を循環後路側の下部に上記材料出口を設け、往路の循環後路側の路端と復路の循環前路側の路端とに搬送体列を押し送る上記押し送り装置を設け、循環前路の往路側と循環後路の復路側の路端とに降下路側の路端に搬送体の押し送り装置を設けてなる、というものである。   Further, the transport path in the tunnel heating furnace is circulated by a forward path and a return path arranged in parallel on the left and right sides, and a connecting path provided on both sides thereof, one of the connecting paths being a pre-circulation path and the other being a post-circulation path. None, the material inlet is provided at the upper part of the forward path side of the forward path, and the material outlet is provided at the lower part of the rear path side. The pushing device for pushing is provided, and the pushing device for the conveying body is provided at the road end on the descending path side at the forward path side of the pre-circulation path and the return path side of the post-circulation path.

また上記バケットの回動部材は歯車又はレバーからなり、上記回動傾斜手段はラック部材又はカム部材からなる、というものである。   The rotating member of the bucket is a gear or a lever, and the rotating and tilting means is a rack member or a cam member.

この発明の材料溶融供給方法では、函状のトンネル加熱炉内の搬送路をバケットが搬送体と共に材料出口に搬送されてゆく過程において、バケット内に投入された固体材料が溶融されるので加熱効率が高くなる。また固体材料を製品重量に対応する重量に予め計量することになるので計量精度も向上する。また１ショット分の重量を溶融することから、多数ショット分の重量の固体材料を溶融して供給する場合よりも溶融時間が短く済み、搬送時間（溶融時間）も成形サイクル時間に合わせて設定できることから、製品重量の大小にかかわらずその成形サイクルに適合させることがてき、ハイサイクル成形にも採用することができる。   In the material melting and supplying method of the present invention, in the process in which the bucket is transported to the material outlet together with the transport body in the transport path in the box-shaped tunnel heating furnace, the solid material charged in the bucket is melted, so that the heating efficiency Becomes higher. In addition, since the solid material is previously weighed to a weight corresponding to the product weight, the weighing accuracy is also improved. In addition, since the weight for one shot is melted, the melting time is shorter than when the solid material having the weight for many shots is melted and supplied, and the conveyance time (melting time) can be set according to the molding cycle time Therefore, it can be adapted to the molding cycle regardless of the product weight, and can be adopted for high cycle molding.

また搬送路に１列に収容した所要数の搬送体による搬送体列をプランジャにより設定ストロークずつ間欠移動してバケットを搬送するので、搬送を安定した状態で行うことができ、バケットからの射出スリーブへの溶融材料の供給もバケットの搬送過程で行い得るので、プランジャの伸縮作動のみにより材料投入後の全ての作業を行うことができる。   Further, since the transport body row of the required number of transport bodies accommodated in one row in the transport path is intermittently moved by the plunger for each set stroke to transport the bucket, the transport can be performed in a stable state, and the injection sleeve from the bucket Since the molten material can be supplied to the bucket in the course of conveying the bucket, all operations after the material is charged can be performed only by the expansion and contraction operation of the plunger.

さらに、搬送体の左右一対の支持板間にバケットを回動自在に軸承し、その支持板から突出した軸端の回動部材と、材料出口部位に設置した回動傾斜手段との関連とによるバケットの回動傾斜により、バケットから溶融材料を注ぎ出して射出スリーブに注入することから、バケット内の材料残りがなく、固体材料時に計量した全量を確実に射出スリーブに注入することがてきる。   Further, the bucket is pivotally supported between a pair of left and right support plates of the transport body, and depends on the relationship between the rotation member at the shaft end protruding from the support plate and the rotation inclination means installed at the material outlet site. Since the molten material is poured out from the bucket and injected into the injection sleeve by the rotational inclination of the bucket, there is no material remaining in the bucket, and the entire amount measured at the time of the solid material can be reliably injected into the injection sleeve.

またバケットは、１ショット分の固体材料を収容できる大きさであればよく、トンネル加熱炉もそのバケットを搬送体と共に収容できる大きさで済むので、装置をコンパクトに構成するこができる。また搬送路を上下に並設した往路と復路とから循環構成した竪型では、左右に並設した往路と復路とから循環構成した横型よりも設置スペースが狭く済み、横型ではホッパーの位置が低くなるので、材料供給がし易くなる。竪型、横型の何れのトンネル加熱炉ではコンパクトに構成できることにより金属成形機の規模に制限されずに射出スリーブ上の材料溶融供給装置として容易に採用することができる。   Also, the bucket may be of a size that can accommodate one shot of solid material, and the tunnel heating furnace may be of a size that can accommodate the bucket together with the carrier, so that the apparatus can be configured compactly. In addition, the saddle type that circulates from the forward path and the return path, which are arranged side by side in the vertical direction, requires less installation space than the horizontal type that circulates from the forward path and the return path that are arranged side by side, and the horizontal type has a lower hopper position. Therefore, it becomes easy to supply the material. Any of the vertical and horizontal tunnel heating furnaces can be configured compactly, so that it can be easily adopted as a material melting and supplying apparatus on the injection sleeve without being limited by the scale of the metal forming machine.

図はコールドチャンバー式ダイカスト機による金属成形機の材料溶融供給装置を示すもので、図中１は金属成形機、２は材料溶融供給装置、３は固体材料Ｍのホッパである。   The figure shows a material melting and feeding device of a metal forming machine by a cold chamber die casting machine. In the figure, 1 is a metal forming machine, 2 is a material melting and feeding device, and 3 is a solid material M hopper.

上記金属成形機１は、固定金型１１を取付けた機台上の固定盤１２と、可動金型１３を取付けた可動盤１４と、先端部を固定盤１２に挿通して水平に固定した射出スリーブ１５と、その射出スリーブ１５の上部に設けた注入口１５ａからスリーブ内に供給された溶融材料を金型内に射出する射出プランジャ１６と、その射出プランジャ１６の後端に連結した射出手段１７とを有する通常構造のものからなる。また注入口１５ａを設けたスリーブ周囲はブロック１８に挿通してあり、そのブロック１８の上に上記材料溶融供給装置２が射出スリーブ１５に対し側方に直角に載せて設置してある。   The metal forming machine 1 includes a fixed platen 12 on a machine base to which a fixed die 11 is attached, a movable platen 14 to which a movable die 13 is attached, and an injection in which the tip portion is inserted into the fixed platen 12 and fixed horizontally. A sleeve 15, an injection plunger 16 for injecting molten material supplied into the sleeve from an injection port 15 a provided at the top of the injection sleeve 15, and injection means 17 connected to the rear end of the injection plunger 16. And having a normal structure. The periphery of the sleeve provided with the injection port 15 a is inserted into a block 18, and the material melt supply device 2 is placed on the block 18 so as to be perpendicular to the side of the injection sleeve 15.

上記材料溶融供給装置２は、図２に示すように、往路２０Ａと復路２０Ｂとを上下平行に配置し、その往路２０Ａと復路２０Ｂの両端を連絡路により気密に接続して、連絡路の一方を降下路２０Ｃ、他方は上昇路２０Ｄとし、その上昇路２０Ｄ側の往路２０Ａの上部に材料入口２０ａを設け、また復路２０Ｂの下部に材料出口２０ｂを設けて搬送路を竪に循環形成した函形のトンネル加熱炉２０と、搬送体２１の内部に設けて該搬送体と共にトンネル加熱炉内に移動自在に１列に収容した所要数のバケット２２と、往路２０Ａ及び復路２０Ｂの一端部に設けた搬送体２１の押し送り装置２３，２４と、降下路２０Ｃと上昇路２０Ｄに設けた昇降床２５，２６の昇降装置２７，２８と、復路２０Ｂの材料出口部位に設けたバケツト２２の回動傾斜手段とからなる。   As shown in FIG. 2, the material melting and supplying apparatus 2 has the forward path 20A and the return path 20B arranged vertically in parallel, and both ends of the forward path 20A and the return path 20B are hermetically connected to each other by a communication path. Is a descending path 20C, and the other is an ascending path 20D. A material inlet 20a is provided in the upper part of the forward path 20A on the ascending path 20D side, and a material outlet 20b is provided in the lower part of the return path 20B so as to circulate and form the conveying path along the trough. Tunnel heater 20 and a required number of buckets 22 which are provided inside the transport body 21 and are accommodated in a row so as to be movable together with the transport body, and provided at one end of the forward path 20A and the return path 20B. The feeding devices 23 and 24 of the transport body 21, the lifting devices 27 and 28 of the lifting floors 25 and 26 provided in the descending path 20C and the rising path 20D, and the rotation of the bucket 22 provided in the material outlet portion of the return path 20B. Lean And means.

上記トンネル加熱炉２０は、材料出口２０ｂを上記注入口１５ａに位置させて上記ブロック１８の上に載置固定してある。また材料入口２０ａには上記ホッパ３が、出口部分にエア又は油圧により交互に開閉作動する上下一対のシャッター装置３ａ，３ｂを設けて設置してある。このシャッター装置３ａ，３ｂはトンネル加熱炉の熱気がホッパー３から外部に流出するのを防止するシャッターとしても機能する。場合によってはホッパー３に加熱手段を備えたものを採用して、金属材料を予熱したり、或いは既に予熱された固体材料を保温して、トンネル加熱炉２０による溶融時間を短縮することもできる。   The tunnel heating furnace 20 is placed and fixed on the block 18 with the material outlet 20b positioned at the inlet 15a. Further, the hopper 3 is provided at the material inlet 20a with a pair of upper and lower shutter devices 3a and 3b which are alternately opened and closed by air or hydraulic pressure at the outlet portion. The shutter devices 3a and 3b also function as shutters that prevent hot air from the tunnel heating furnace from flowing out of the hopper 3. In some cases, it is possible to shorten the melting time in the tunnel heating furnace 20 by adopting a hopper 3 provided with heating means to preheat the metal material or keep the preheated solid material warm.

上記搬送体２１は、図３，４に示すように、左右一対の支持板２１ａを背面板２１ｂと一体形成した平面形状がコ状形で、前部上下に横材２１ｃを配した直方体形状からなり、その搬送体２１の内部に上記バケット２２が両端を両支持板２１ａに回転自在に軸支して吊設してある。また支持板２１ａから突出した支軸２２ａの軸端には歯車２９によるバケット２２の回動部材が取付けてあり、支持板２１ａの下端縁にはトンネル加熱炉２０の床版両側に敷設したガイドレール２０ｃを転動する転子が取付けてある。   As shown in FIGS. 3 and 4, the transport body 21 is a rectangular parallelepiped shape in which a pair of left and right support plates 21 a are integrally formed with a back plate 21 b, and a cross member 21 c is arranged on the top and bottom of the front portion. Thus, the bucket 22 is suspended inside the transport body 21 by pivotally supporting both ends thereof on both support plates 21a. Further, a rotating member of the bucket 22 by a gear 29 is attached to the shaft end of the support shaft 22a protruding from the support plate 21a, and guide rails laid on both sides of the floor slab of the tunnel heating furnace 20 at the lower end edge of the support plate 21a. A trochanter that rolls 20c is attached.

上記搬送体２１は、トンネル加熱炉２０の往路２０Ａ及び復路２０Ｂの両方と、昇降床２５，２６のいずれか一方の上に位置している。往路２０Ａと復路２０Ｂの搬送体２１の数は同数で、支持板２１ａを互いに接近させて一連の状態で列をなしている。これにより搬送体２１と同数のバケット２２がトンネル加熱炉内に一定間隔ごとに収容された状態となり、上記押し送り装置２３，２４の交互作動と、両方の昇降装置２７，２８の同時作動とによりトンネル加熱炉内を循環移動する。   The carrier 21 is located on both the forward path 20A and the return path 20B of the tunnel heating furnace 20 and on one of the lift floors 25 and 26. The number of transport bodies 21 in the forward path 20A and the return path 20B is the same, and the support plates 21a are brought close to each other to form a line in a series. As a result, the same number of buckets 22 as the transport body 21 are accommodated in the tunnel heating furnace at regular intervals, and the alternating operation of the push-feed devices 23 and 24 and the simultaneous operation of both the lifting devices 27 and 28 are performed. Circulate and move inside the tunnel heating furnace.

上記回動部材は、上記歯車２９以外にも図６に示す縦長のレバー３０などでもよく、歯車２９の場合には、該歯車と噛合するラック部材２９ａがバケット２２の回動傾斜手段として、復路２０Ｂの材料出口部位の両側壁に横長に設けられる。このラック部材２９ａと噛合した歯車２９は、搬送体２１の移動に伴いラック部材上を回動してバケット２２を移動方向に横転させ、バケット内の溶融材料Ｍ1 を注ぎ出す。またラック部材２９ａを通過して噛合が解除されるとバケット２２が自重により歯車２９と共に戻って元の上向きの姿勢となる。 In addition to the gear 29, the rotating member may be a vertically long lever 30 shown in FIG. 6. In the case of the gear 29, the rack member 29 a meshing with the gear serves as a rotating and tilting means for the bucket 22, and the return path It is provided horizontally on both side walls of the material outlet portion of 20B. The rack member 29a in mesh with the gear 29, rotates on the rack member with the movement of the conveying member 21 is overturned buckets 22 in the moving direction, pour the molten material M 1 in the bucket. Further, when the mesh is released after passing through the rack member 29a, the bucket 22 returns together with the gear 29 by its own weight and assumes the original upward posture.

回動部材が上記レバー３０の場合には、該レバーを押し倒すカム部材３０ａがバケット２２の回動傾斜手段として、復路２０Ｂの材料出口の手前の両側壁に水平に設けられる。このカム部材３０ａと接したレバー３０は、レバー下端がカム部材３０ａの上面から離れるまで、搬送体２１の移動に伴い後方に押圧されてバケット２２を移動方向に回動傾斜させ、バケット２２から溶融材料Ｍ1 を材料出口２０ｂに位置した射出スリーブ１５の注入口１５ａに注ぎ出す。レバー３０がカム部材３０ａを通過して押圧力が除かれると、バケット２２が自重によりレバー３０と共に戻って元の上向きの姿勢となる。 When the rotating member is the lever 30, the cam member 30a that pushes down the lever is provided horizontally on both side walls of the return path 20B before the material outlet as the rotating tilting means of the bucket 22. The lever 30 in contact with the cam member 30a is pressed backward as the transport body 21 moves to rotate and tilt the bucket 22 in the moving direction until the lower end of the lever moves away from the upper surface of the cam member 30a. pouring the material M 1 to the inlet 15a of the injection sleeve 15 located in the material outlet 20b. When the lever 30 passes through the cam member 30a and the pressing force is removed, the bucket 22 returns together with the lever 30 by its own weight and assumes the original upward posture.

上記押し送り装置２３，２４と昇降装置２５，２６は油圧作動のシリンダ装置が採用される。押し送り装置２３は往路２０Ａの上昇路側の路端に、また押し送り装置２４は復路２０Ｂの降下路側の路端に、それぞれのシリンダ２３ａ，２４ａを断熱を施して内向きに取付けて、先端の押圧板を炉壁内に位置させた押圧プランジャ２３ｂ，２４ｂの伸長により、バケット２３を押し送りできるようにしてある。この押し送り装置２３，２４を取付けた路端と反対側の往路及び復路の路端は開口端で常時閉鎖してあり、その開口路端からバケット２２を内設した搬送体２１の交換やトンネル内のメンテナンスが必要に応じて行えるようにしてある。   The push-feed devices 23 and 24 and the lifting devices 25 and 26 are hydraulically operated cylinder devices. The push-feed device 23 is attached to the end of the forward path 20A on the ascending path side, and the push-feed apparatus 24 is attached to the end of the return path 20B on the descending path side with the respective cylinders 23a and 24a insulated and attached inwardly. The bucket 23 can be pushed and fed by the extension of the pressing plungers 23b and 24b having the pressing plate positioned in the furnace wall. The forward and reverse road ends opposite to the road ends to which the push-feed devices 23 and 24 are attached are always closed at the open ends, and replacement of the carrier 21 having the bucket 22 installed from the open road ends or tunnels Internal maintenance can be performed as needed.

また上記昇降装置２７，２８は、降下路２０Ｃと上昇路２０Ｄの下部にシリンダ２７ａ，２８ａを断熱を施して上向きに設けられ、昇降プランジャ２７ｂ，２８ｂの先端を上記昇降床２５，２６にそれぞれ連結して、昇降プランジャ２７ｂ，２８ｂの伸縮により昇降床２５，２６が往路２０Ａと復路２０Ｂの路床の間を昇降移動するようにしてある。   The elevating devices 27 and 28 are provided upward with heat-insulating cylinders 27a and 28a below the descending passage 20C and the ascending passage 20D, and the tips of the elevating plungers 27b and 28b are connected to the elevating floors 25 and 26, respectively. The elevating floors 25 and 26 are moved up and down between the road paths 20A and 20B by expansion and contraction of the elevating plungers 27b and 28b.

上記トンネル加熱炉２０は、その外周囲に設けた加熱手段３１により設定温度に維持され、必要に応じて内部はアルゴンガス不活性ガス雰囲気に維持される。ホッパ３からバケット２２に投入した１ショット分の固体材料Ｍは、往路２０Ａの材料入口２０ａから復路２０Ｂの材料出口２０ｂに達するまでの間に溶融する。金属材料としてはマグネシウム、アルミニウム、亜鉛などの低融点金属の合金が用いられる。   The tunnel heating furnace 20 is maintained at a set temperature by the heating means 31 provided on the outer periphery thereof, and the inside is maintained in an argon gas inert gas atmosphere as necessary. One shot of the solid material M charged into the bucket 22 from the hopper 3 is melted before reaching the material outlet 20b of the return path 20B from the material inlet 20a of the forward path 20A. As the metal material, an alloy of a low melting point metal such as magnesium, aluminum or zinc is used.

トンネル加熱炉２０の温度を固体材料Ｍの液相線温度以上の温度に設定した場合には、固体材料Ｍ（たとえばマグネシウム合金）は液相線温度（約５９０℃）以上の温度に完全溶融した溶融材料Ｍ1 となり、加熱温度を固体材料Ｍの液相線温度以下で固相泉温度以上の温度（５９０°〜５５０℃）に設定した場合には、半溶融状態の溶融材料となる。また半溶融溶融状態でチクソトロピー性状を呈する金属材料でも、上記固液共存温度範囲での加熱であれば、その性状を失うことなく射出スリーブへの注入が可能となる。 When the temperature of the tunnel heating furnace 20 is set to a temperature equal to or higher than the liquidus temperature of the solid material M, the solid material M (eg, magnesium alloy) is completely melted to a temperature equal to or higher than the liquidus temperature (about 590 ° C.). When the heating temperature is set to a temperature (590 ° C. to 550 ° C.) below the liquidus temperature of the solid material M and above the solid phase spring temperature (590 ° C. to 550 ° C.), the molten material M 1 is obtained. Further, even a metal material that exhibits thixotropic properties in a semi-molten molten state can be injected into the injection sleeve without losing its properties if heated within the above-mentioned solid-liquid coexistence temperature range.

上記押し送り装置２３，２４における押圧プランジャ２３ｂ，２４ｂの伸長ストロークは、前後の搬送体２１が互いに接近して一連の状態にあることから、１つの搬送体が前位の搬送体の位置まで移動する伸長ストローク（以下１ストロークという）でよく、その１ストロークを押圧プランジャ２３ｂ，２４ｂが伸長すれば、伸長ごとに各搬送体２１が各自のバケット２２と共に同時に１ストローク前進移動して搬送されてゆく。   The extension strokes of the push plungers 23b, 24b in the push-feed devices 23, 24 are a series of states in which the front and rear transport bodies 21 approach each other, so that one transport body moves to the position of the front transport body. If the pressing plungers 23b and 24b extend that one stroke, the transport bodies 21 are simultaneously moved forward by one stroke along with their own buckets 22 and transported. .

往路２０Ａにおけるバケット２２の搬送に際して、上昇路２Ｃの復路側に位置している昇降床２５の上に搬送体２１があるときには、押し送り装置２３を伸長作動する前に昇降装置２７，２８を同時に伸長作動して、復路側に位置している昇降床２５，２６を往路２０Ａの床レベルまで上昇してから行う。降下路２０Ｃでは昇降床２５の上昇により床上の空の搬送体２１が往路２０Ａに搬送されて、押圧プランジャ２３ｂの押圧板と往路２０Ａの搬送体２１との間に位置する。   When transporting the bucket 22 in the forward path 20A, if the transport body 21 is on the lift floor 25 located on the return path side of the ascending path 2C, the lift apparatuses 27 and 28 are simultaneously moved before the push-out apparatus 23 is extended. The operation is performed after the elevating operation and the elevating floors 25 and 26 located on the return path side are raised to the floor level of the forward path 20A. In the descending path 20C, the empty transport body 21 on the floor is transported to the forward path 20A by the ascending / descending floor 25 rising, and is positioned between the pressing plate of the pressing plunger 23b and the transport body 21 of the forward path 20A.

また上昇路２０Ｄでは昇降床２６が、往路２０Ａから押し送られて来る搬送体２１を受け入れる往路２０Ａの延長床となる。これにより往路２０Ａにおける搬送体列の１搬送体分の前進移動が、押圧プランジャ２３ｂの伸長により可能となる。   In the ascending path 20D, the elevating floor 26 serves as an extension floor of the outward path 20A that receives the carrier 21 that is pushed from the outward path 20A. As a result, the forward movement of the transport body row in the forward path 20A by one transport body is enabled by the extension of the pressing plunger 23b.

復路２０Ｂにおけるバケット２２の搬送に際しては、押し送り装置２４を伸長作動する前に昇降装置２７，２８を同時に縮小作動して、昇降床２５，２６を復路２０Ｂの床レベルまで降下してから行う。降下路２０Ｃでは搬送体が押し送られてなくなった後の昇降床２５が降下により戻って復路２０Ｂの延長床となり、復路２０Ｂから押し送られて来る空の搬送体２１を受け入れるようになる。   When the bucket 22 is transported in the return path 20B, the elevators 27 and 28 are simultaneously contracted before the pusher 24 is extended, and the elevator floors 25 and 26 are lowered to the floor level of the return path 20B. In the descending path 20C, the raising / lowering floor 25 after the transport body is not pushed forward returns to the extension path of the return path 20B by descending, and the empty transport body 21 pushed from the return path 20B is received.

また上昇路２０Ｄでは、昇降床２６の降下により床上の搬送体２１が往路２０Ｂまで降ろされて、押圧プランジャ２４ｂの押圧板と復路２０Ｂの搬送体２１との間に位置する。これにより復路２０Ｂにおける搬送体列の１搬送体分の前進移動が、押圧プランジャ２４ｂの伸長により可能となり、また材料出口部位でのバケット２２の回動傾斜も可能となる。   Further, in the ascending path 20D, the transport body 21 on the floor is lowered to the forward path 20B by the lowering of the elevating floor 26, and is positioned between the pressing plate of the pressing plunger 24b and the transport body 21 in the return path 20B. As a result, the forward movement of one conveyance body of the conveyance body row in the return path 20B is enabled by the extension of the pressing plunger 24b, and the bucket 22 can be rotated and inclined at the material outlet portion.

上記ホッパ３からバケット２２への固体材料Ｍの投入は、ホッパ３のシャッター装置３ａ，３ｂを交互に開閉操作して行われる。固体材料はチップやペレット等の粒状材料、インゴットや丸棒（例えば直径６０ｍｍ、長さ３００ｍｍの棒状体）を幾当分かに裁断した金属材料の何れでもよく、成形される金属製品の重量と対応した重量の１ショット分の金属材料を固体の状態で予め計量することができる。   The charging of the solid material M from the hopper 3 to the bucket 22 is performed by alternately opening and closing the shutter devices 3a and 3b of the hopper 3. The solid material may be any of a granular material such as a chip or a pellet, or a metal material obtained by cutting an ingot or a round bar (eg, a rod-shaped body having a diameter of 60 mm and a length of 300 mm) to some extent, and corresponds to the weight of the metal product to be formed. The metal material for one shot of the weight thus obtained can be pre-weighed in a solid state.

図示の固体材料Ｍは、棒状材料を１ショット分の重量に切断した短柱状のものからなる。ホッパ内の固体材料Ｍは上側のシャッター装置３ａの開放作動により下側シャッターの上に落下する。さらに下側のシャッター装置３ａの開放作動により、ホッパ３から材料入口２０ａの真下に位置するバケット２２に落下して投入される。このバケット２２への落下投入は上側のシャッター装置３ａを閉鎖作動し、ホッパ内の固体材料Ｍの落下を上側シャッターにより阻止してから行われる。   The illustrated solid material M is a short columnar material obtained by cutting a rod-shaped material into a weight for one shot. The solid material M in the hopper falls onto the lower shutter by the opening operation of the upper shutter device 3a. Furthermore, by the opening operation of the lower shutter device 3a, the hopper 3 is dropped and thrown into the bucket 22 located directly below the material inlet 20a. The dropping into the bucket 22 is performed after the upper shutter device 3a is closed and the solid material M in the hopper is prevented from falling by the upper shutter.

固体材料Ｍが順に投入された一連のバケット２２は、押圧プランジャ２３ａの伸長ごとに順に搬送体２１と共に往路２０Ａを１ストロークずつ押し送られて、往路２０Ａから上昇路２０Ｄの昇降床２６の上に押し移され、さらに昇降床上のバケット２２は、昇降装置２８の縮小作動により降下して復路２０Ｂの端に送られ、復路２０Ｂの末端のバケット２２として昇降装置２８により維持される。この昇降装置２８の縮小作動は、押圧プランジャ２３ａが次の伸長のために縮小して、往路２０Ａの搬送体列に対する押圧力が除かれてから行われる。   The series of buckets 22 into which the solid material M has been put in order are sequentially pushed along the forward path 20A one by one with the transport body 21 every time the pressing plunger 23a is extended, and on the lift floor 26 of the ascending path 20D from the forward path 20A. Further, the bucket 22 on the lift floor is lowered and sent to the end of the return path 20B by the reduction operation of the lift apparatus 28, and is maintained by the lift apparatus 28 as the bucket 22 at the end of the return path 20B. The reduction operation of the elevating device 28 is performed after the pressing plunger 23a is reduced for the next extension, and the pressing force on the transport body row in the forward path 20A is removed.

復路２０Ｂでは、往路２０Ａからバケット２２が送られてきてから押し送り装置２４が伸長作動して、復路２０Ｂの一連のバケット２２を押圧プランジャ２４ａの伸長ごとに順に搬送体２１と共に１ストロークずつ押し送る。この押し送りにより搬送体列の１つの搬送体２１が材料出口２０ｂの手前に移動してくると、搬送体側の上記歯車２９又はレバー３０が復路両側の上記ラック部材２９ａ又はカム部材３０ａと上記のように係わり合って、バケット２２が搬送体２１と共に移動しながら移動方向に回動するようになり、バケット２２が搬送体内で設定角度まで傾斜して下向きになってゆく。バケット内の固体材料Ｍは搬送中に受ける加熱により既に溶融して流動性を有する溶融材料Ｍ1 となっているので、バケット内の溶融材料Ｍ1 が傾斜側の注ぎ口から材料出口２０ｂを通って上記射出スリーブ１５の注入口１５ａに注ぎ出される。 In the return path 20B, after the bucket 22 is sent from the forward path 20A, the pushing device 24 is extended, and the series of buckets 22 in the return path 20B are sequentially pushed one stroke at a time with the conveying body 21 every time the pressing plunger 24a is extended. . When one transport body 21 in the transport body row is moved before the material outlet 20b by this pushing, the gear 29 or the lever 30 on the transport body side is connected to the rack member 29a or the cam member 30a on both sides of the return path and the above-mentioned. In this way, the bucket 22 rotates in the moving direction while moving with the transport body 21, and the bucket 22 is inclined downward to a set angle within the transport body. Since the solid material M in the bucket is already melted by the heating received during conveyance and becomes a molten material M 1 having fluidity, the molten material M 1 in the bucket passes through the material outlet 20b from the spout on the inclined side. Then, it is poured out into the injection port 15a of the injection sleeve 15.

搬送体２１が材料出口部位を通過すると歯車２９又はレバー３０がラック部材２９ａ又はカム部材３０ａから離れて自由状態となる。これによりバケット２２が自重により元の姿勢に戻り、その状態で搬送体２１と共にバケット２２は復路２０Ｂから上昇路２Ｃの昇降床２５の上に押し送られる。この昇降床上の搬送体内の空のバケット２２は、押圧プランジャ２４ａが次の伸長のために縮小している間に、昇降装置２７の伸長作動により押し上げられて往路２０Ａの端に置かれ、往路２０Ａの末端のバケット２２として往路２０Ａに押し送られるまで昇降装置２７により維持される。   When the conveyance body 21 passes through the material outlet portion, the gear 29 or the lever 30 is separated from the rack member 29a or the cam member 30a to be in a free state. As a result, the bucket 22 returns to its original posture due to its own weight, and in this state, the bucket 22 is pushed together with the carrier 21 from the return path 20B onto the lift floor 25 of the ascending path 2C. The empty bucket 22 in the transport body on the lifting floor is pushed up by the extension operation of the lifting device 27 and placed at the end of the outgoing path 20A while the pressing plunger 24a is contracted for the next extension, and the outgoing path 20A. It is maintained by the lifting device 27 until it is pushed to the forward path 20A as the end bucket 22.

また昇降路２０Ｄでは昇降装置２８の伸長作動により昇降床２６が往路２０Ａの床まで押し上げられて、往路２０Ａの先頭の搬送体２１が床上に押し送られてくるまで維持される。しかるのち、押し送り手段２３の伸長作動による往路２０Ａのバケット２２の押し送りとなり、バケット２２は再び材料入口２０ａで固体材料Ｍの投入を受け、復路２０Ｂの材料出口２０ｂへと１ストロークずつ搬送体２１と共に循環移動してゆく。   Further, in the hoistway 20D, the elevating floor 26 is pushed up to the floor of the forward path 20A by the extension operation of the elevating device 28, and is maintained until the leading conveyance body 21 of the forward path 20A is pushed onto the floor. Thereafter, the bucket 22 in the forward path 20A is pushed and fed by the extension operation of the pushing means 23, and the bucket 22 receives the solid material M again at the material inlet 20a, and transports one stroke at a time to the material outlet 20b of the return path 20B. Circulate with 21.

図７は、トンネル加熱炉２０′を横に循環構成した他の実施形態による材料溶融供給装置２を示すものである。このトンネル加熱炉２０′は、往路２０Ａ′と復路２０Ｂ′を左右平行に配置して両端部を連絡路により気密に連絡し、その一方の連絡路を循環前路２０Ｃ′とし、他方の連絡路を循環後路２０Ｄ′として、材料入口２０ａ′と材料出口２０ｂ′を、往路２０Ａ′の循環前路２０Ｃ′側の上部と循環後路２０Ｄ′側の下部に設けたものからなる。   FIG. 7 shows a material melting and supplying apparatus 2 according to another embodiment in which a tunnel heating furnace 20 ′ is circulated horizontally. In this tunnel heating furnace 20 ', the forward path 20A' and the return path 20B 'are arranged in parallel on the left and right sides, and both ends thereof are connected in an airtight manner by a connecting path, and one of the connecting paths is defined as a pre-circulation path 20C'. And a material inlet 20a 'and a material outlet 20b' are provided at the upper part on the pre-circulation path 20C 'side and the lower part on the rear circulation path 20D' side of the forward path 20A '.

また往路２０Ａ′と復路２０Ｂ′に同数の上記搬送体２１を１列に収容して、材料入口２０ａ′の下に停止した搬送体２１のバケット２２に固体材料が投入し、そのバケット内の固体材料を復路２０Ｂ′を経て往路２０Ａ′に循環してくるまでに溶融して、搬送体２１が材料出口２０ｂ′の上を通過する際の歯車２９′とラック部材２９ａ′とによるバケット２２の回動傾斜により、溶融材料がバケット内から材料出口２０ｂ′を通して射出スリーブ１５に注入できるようにしてある。   Further, the same number of the transport bodies 21 are accommodated in one row in the forward path 20A ′ and the return path 20B ′, and the solid material is charged into the bucket 22 of the transport body 21 stopped under the material inlet 20a ′, and the solids in the buckets The material is melted before it is circulated to the forward path 20A ′ via the return path 20B ′, and the rotation of the bucket 22 by the gear 29 ′ and the rack member 29a ′ when the conveying body 21 passes over the material outlet 20b ′. Due to the dynamic inclination, the molten material can be injected into the injection sleeve 15 from within the bucket through the material outlet 20b '.

上記往路２０Ａ′の循環後路側の路端と復路２０Ｂ′の循環前路側の路端とには、上記搬送体２１を１ストローク押し送りする油圧作動の押し送り装置２３′，２４′が設けてある。また循環前路２０Ｃ′の往路側の路端と循環後路２０Ｄ′の復路側の路端には、往路２０Ａ′の搬送体２１を復路側に、復路２０Ｂ′の搬送体２１を往路側に押し送りする押し送り装置２７′，２８′が設けてある。   Hydraulically operated push-feed devices 23 ′ and 24 ′ for pushing and feeding the transport body 21 for one stroke are provided at the end of the forward path 20 A ′ on the post-circulation path side and the path end of the return path 20 B ′ on the pre-circulation path side. is there. Further, on the forward path end of the pre-circulation path 20C 'and the return path end of the post-circulation path 20D', the transport body 21 of the forward path 20A 'is on the return path side, and the transport body 21 of the return path 20B' is on the forward path side. Pushing devices 27 'and 28' for pushing and feeding are provided.

上記押し送り装置２３′，２４′，２７′，２８′のそれぞれは、各シリンダ２３ａ′，２４ａ′，２７ａ′，２８ａ′を、押圧プランジャ２３ｂ′，２４ｂ′，２７ｂ′，２８ｂ′の先端に取付けた押圧板を炉内に位置させて炉壁に断熱材を介し取付けてある。   Each of the push-feed devices 23 ', 24', 27 ', 28' has the cylinders 23a ', 24a', 27a ', 28a' at the tip of the pressing plungers 23b ', 24b', 27b ', 28b'. The attached pressing plate is positioned in the furnace and attached to the furnace wall via a heat insulating material.

このようなトンネル加熱炉２０′では、押し送り装置２３′，２４′の伸長作動により、往路２０Ａ′と復路２０Ｂ′とに１列に収容した搬送体２１が、内部のバケット２２と共に前後互いに１ストロークずつ水平移動して、先頭の搬送体２１が循環前路２０Ｃ′と循環後路２０Ｄ′に押し送られる。両連絡路に押し送られた搬送体２１は、押し送り装置２３′，２４′のプランジャ縮小後に伸長作動する押し送り装置２７′，２８′により復路２０Ｂ′と往路２０Ａ′とにそれぞれ押し送られる。   In such a tunnel heating furnace 20 ′, the conveying bodies 21 accommodated in one row in the forward path 20 A ′ and the backward path 20 B ′ are moved forward and backward together with the internal bucket 22 by the extension operation of the pushing devices 23 ′ and 24 ′. By moving horizontally by stroke, the leading transport body 21 is pushed to the pre-circulation path 20C ′ and the post-circulation path 20D ′. The transport body 21 pushed to both communication paths is pushed to the return path 20B 'and the forward path 20A' by push-feed apparatuses 27 'and 28' which are extended after the plungers of the push-feed apparatuses 23 'and 24' are contracted. .

このような各押し送り装置の順次作動により、往路２０Ａ′と復路２０Ｂ′とに収容した搬送体２１は、その内部のバケット２２と共に１ストロークの前進移動と停止とを繰り返してトンネル加熱炉内を循環移動するので、停止時における材料入口２０ａ′からのバケット２２への固体材料の投入と、材料出口２０ｂ′を通過する際のバケット２２の回動傾斜による溶融材料の射出スリーブ内への注入とを行うことができる。   By sequentially operating each push-feed device, the transport body 21 accommodated in the forward path 20A ′ and the return path 20B ′ repeatedly moves forward and stops one stroke together with the bucket 22 inside the tunnel heating furnace. Since it circulates, the solid material is charged into the bucket 22 from the material inlet 20a 'when stopped, and the molten material is injected into the injection sleeve by the rotational inclination of the bucket 22 when passing through the material outlet 20b'. It can be performed.

上記構成のトンネル加熱炉２０、２０′における搬送体２１の収容数は、金属成形機の規模に応じて決められることができる。また押し送り速度は１ショット分の固体材料Ｍの溶融時間と成形サイクル時間とから決めることができ、往路２０Ａ、２０Ａ′と復路２０Ｂ、２０Ｂ′に同数の搬送体２１を収容できるようにトンネル加熱炉２０、２０′を構成することで、成形サイクル時間に対応した溶融材料Ｍ1 の射出スリーブ１５への供給が、押し送り装置や昇降装置の相互の作動タイミングの制御の下に容易に行い得る。 The number of accommodated conveyance bodies 21 in the tunnel heating furnaces 20 and 20 ′ having the above-described configuration can be determined according to the scale of the metal forming machine. Further, the pushing speed can be determined from the melting time of the solid material M for one shot and the molding cycle time, and tunnel heating is performed so that the same number of transport bodies 21 can be accommodated in the forward paths 20A and 20A ′ and the return paths 20B and 20B ′. by configuring the furnace 20, 20 ', fed to the injection sleeve 15 of the molten material M 1 corresponding to the molding cycle time is obtained easily performed under the control of the mutual operation timing of the press feeder and lifting equipment .

この発明に係る材料溶融供給装置を備えた金属成形機の一部を縦断した側面図である。It is the side view which cut through a part of metal forming machine provided with the material fusion supply apparatus concerning this invention. この発明に係る竪型の材料溶融供給装置の縦断面図である。It is a longitudinal cross-sectional view of the saddle type material melting and supplying apparatus according to the present invention. 搬送体及びバケットの半部縦断正面図である。It is a half vertical front view of a conveyance body and a bucket. 同上の縦断面図である。It is a longitudinal cross-sectional view same as the above. 歯車とラック部材とによるバケットの回動傾斜状態を示す搬送体の側面図である。It is a side view of the conveyance body which shows the rotation inclination state of the bucket by a gearwheel and a rack member. レバーとカム部材とによるバケットの回動傾斜状態を示す搬送体の側面図である。It is a side view of the conveyance body which shows the rotation inclination state of the bucket by a lever and a cam member. この発明に係る横型の材料溶融供給装置の平断面図である。1 is a plan sectional view of a horizontal type material melting and supplying apparatus according to the present invention.

符号の説明Explanation of symbols

１ 金属成形機
２ 材料溶融供給装置
３ ホッパ
１５ 射出スリーブ
１５ａ 注入口
１６ 射出プランジャ
２０ トンネル加熱路
２０Ａ ２０Ａ′ 往路
２０Ｂ ２０Ｂ′ 復路
２０Ｃ 降下路
２０Ｃ′ 連絡路
２０Ｄ 上昇路
２０Ｄ′ 連絡路
２０ａ ２０ａ′ 材料入口
２０ｂ ２０ｂ′ 材料出口
２１ 搬送体
２２ バケット
２３，２４ 押し送り装置
２３′２４′ 押し送り装置
２５，２６ 昇降床
２７，２８ 昇降装置
２７′２８′ 押し送り装置
２９ 歯車
２９ａ ラック部材
３０ レバー
３０ａ カム部材 DESCRIPTION OF SYMBOLS 1 Metal forming machine 2 Material melting supply apparatus 3 Hopper 15 Injection sleeve 15a Inlet 16 Injection plunger 20 Tunnel heating path 20A 20A 'Outbound path 20B 20B' Return path 20C Lowering path 20C 'Connecting path 20D Ascending path 20D' Connecting path 20a 20a 'Material Inlet 20b 20b 'Material outlet 21 Carrier 22 Buckets 23, 24 Pushing device 23'24' Pushing device 25, 26 Lifting floor 27, 28 Lifting device 27'28 'Pushing device 29 Gear 29a Rack member 30 Lever 30a Cam Element

Claims (6)

射出スリーブの注入口に函状のトンネル加熱炉の材料出口を位置させ、そのトンネル加熱炉内の搬送路にバケットを回動自在に軸支した搬送体の所要数を互いに接近させて１列に収容し、その搬送体列をプランジャにより設定ストロークずつ間欠移動して、トンネル加熱炉の材料入口に停止したバケットに１ショット分の固体材料を投入し、その固体材料を該バケットが上記材料出口に達するまでに完全溶融又は半溶融状態に溶融し、その材料出口でバケットを回動傾斜して溶融材料を材料出口から射出スリーブ内に注入することを特徴とする金属成形機における材料溶融供給方法。   The material outlet of the box-shaped tunnel heating furnace is located at the injection port of the injection sleeve, and the required number of transport bodies pivotally supported by the buckets on the transport path in the tunnel heating furnace are brought close to each other in a row. The transporter row is intermittently moved by a set stroke by the plunger, and a solid material for one shot is put into the bucket stopped at the material inlet of the tunnel heating furnace, and the solid material is fed to the material outlet by the bucket. A material melting and supplying method in a metal forming machine, wherein the material is melted completely or in a semi-molten state before reaching, and the bucket is rotated and inclined at the material outlet to inject the molten material into the injection sleeve from the material outlet. 上記トンネル加熱炉内の搬送路を往復路と往復路両側の連絡路とから循環構成し、その各路の一路端に上記搬送体を設定ストロークずつ押し送りする上記プランジャを備えた押し送り装置を配設し、各押し送り装置によりトンネル加熱炉内に互いに接近させて１列に収容した所要数の搬送体を、搬送体内のバケットと共に上記材料入口から材料出口方向に順次循環移動して、バケット内への固体材料の投入と、バケット内の固体材料の溶融及び溶融材料の射出スリーブ内への注入とを行うことを特徴とする請求項１記載の金属成形機における材料溶融供給方法。   A feeding device provided with the plunger configured to circulate a conveying path in the tunnel heating furnace from a reciprocating path and a connecting path on both sides of the reciprocating path, and push the conveying body to a path end of each path by a set stroke. The required number of transporters arranged and accommodated in a row in the tunnel heating furnace by each push feed device are sequentially circulated together with the buckets in the transport body in the direction from the material inlet to the material outlet. 2. The method for melting and supplying a material in a metal forming machine according to claim 1, wherein the charging of the solid material into the inside, the melting of the solid material in the bucket, and the injection of the molten material into the injection sleeve are performed. 射出スリーブの注入口に材料出口を位置させて該射出スリーブの上部に設置した函状のトンネル加熱炉と、そのトンネル加熱炉の材料入口に設置した固体材料のホッパーと、左右一対の支持板間にバケットを回動自在に軸承し、支持板から突出した軸端にバケットの回動部材を取付けた直方体形状の搬送体と、その搬送体の所要数を互いに接近させて１列に収容したトンネル加熱炉内の搬送路と、搬送体列を材料入口側から材料出口方向に設定ストロークずつ間欠移動する路端の押し送り装置と、上記バケットの回動部材との関連により該バケットを回動傾斜する材料出口部位に設置した回動傾斜手段とからなることを特徴とする金属成形機における材料溶融供給装置。   A box-shaped tunnel heating furnace installed at the top of the injection sleeve with the material outlet positioned at the injection port of the injection sleeve, a solid material hopper installed at the material inlet of the tunnel heating furnace, and a pair of left and right support plates A rectangular parallelepiped shaped transport body in which a bucket is pivotally supported, and a pivot member of the bucket is attached to the shaft end protruding from the support plate, and a tunnel in which the required number of transport bodies are brought close to each other and accommodated in one row The bucket is rotated and tilted in relation to the conveyance path in the heating furnace, the push-feed device at the path end that intermittently moves the conveying body row from the material inlet side to the material outlet direction by a set stroke, and the rotating member of the bucket. A material melting and supplying apparatus in a metal forming machine, characterized in that it comprises a rotating and tilting means installed at a material outlet portion. 上記トンネル加熱炉内の搬送路を、上下平行に配置した往路及び復路と、その両側に設けた連絡路とにより循環構成し、その連絡路の一方を降下路に他方を上昇路として、往路上部に上記材料入口を復路下部に上記材料出口を設け、降下路と上昇路の下路端に昇降装置により往復路間を昇降移動する上記搬送体の昇降床を配置し、往路の上昇路側の路端と復路の降下路側の路端とに搬送体列を押し送る上記押し送り装置を設けてなることを特徴とする請求項３記載の金属成形機における材料溶融供給装置。   The transport path in the tunnel heating furnace is circulated by a forward path and a return path arranged in parallel vertically, and a connecting path provided on both sides thereof, with one of the connecting paths as a descending path and the other as an ascending path. The material inlet is provided at the lower part of the return path, the material outlet is provided at the lower end of the return path, and the lifting floor of the transport body that is moved up and down between the reciprocating paths by the lifting device is disposed at the lower path end of the descending path and the rising path. 4. The material melting and supplying apparatus in a metal forming machine according to claim 3, wherein the pushing device for pushing the conveying body row is provided between the end and the road end on the descending path side of the return path. 上記トンネル加熱炉内の搬送路を、左右平行に配置した往路と復路と、その両側に設けた連絡路とにより循環構成し、その連絡路の一方を循環前路に他方を循環後路となし、その往路の循環前路側の上部に上記材料入口を循環後路側の下部に上記材料出口を設け、往路の循環後路側の路端と復路の循環前路側の路端とに搬送体列を押し送る上記押し送り装置を設け、循環前路の往路側と循環後路の復路側の路端とに降下路側の路端に搬送体の押し送り装置を設けてなることを特徴とする請求項３記載の金属成形機における材料溶融供給装置。   The transport path in the tunnel heating furnace is circulated by a forward path and a return path arranged in parallel on the left and right sides and a connecting path provided on both sides thereof, and one of the connecting paths is a pre-circulation path and the other is a post-circulation path. The material inlet is provided at the upper part of the forward path side of the forward path and the material outlet is provided at the lower part of the rear path side of the forward path. 4. The push-feed device for feeding is provided, and a push-feed device for a conveying body is provided at the road end on the descending path side on the forward path side of the pre-circulation path and on the return path side of the post-circulation path. The material melting supply apparatus in the metal forming machine as described. 上記バケットの回動部材は歯車又はレバーからなり、上記回動傾斜手段はラック部材又はカム部材からなることを特徴とする請求項３記載の金属成形機における材料溶融供給装置。   4. The material melting and supplying apparatus in a metal forming machine according to claim 3, wherein the rotating member of the bucket is formed of a gear or a lever, and the rotating and tilting means is formed of a rack member or a cam member.
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101912956A (en) * 2010-08-26 2010-12-15 中国船舶重工集团公司第十二研究所 Rotary structure mold of complicated curved-surface component and stripping/closing method thereof
CN113351847A (en) * 2021-06-18 2021-09-07 重庆市搏润模具有限公司 End cover die casting die production line

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JPH0244183A (en) * 1988-08-03 1990-02-14 Toshiyuki Kitsunai Pusher device for tunnel furnace
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JPS56105796A (en) * 1980-01-28 1981-08-22 Kaneko Agricult Mach Co Ltd Night soil treatment equipment
JPS63149062A (en) * 1986-12-13 1988-06-21 Souritsu Diecast Kogyo Kk Continuously automatic molten metal supplying apparatus of metal for die-casting machine
JPH0244183A (en) * 1988-08-03 1990-02-14 Toshiyuki Kitsunai Pusher device for tunnel furnace
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JPH08174184A (en) * 1994-12-28 1996-07-09 Honda Motor Co Ltd Device for supplying and melting casting material
JPH11138248A (en) * 1997-09-04 1999-05-25 Ahresty Corp Semisolid forming method and production of semisolidified metallic slurry used to this

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101912956A (en) * 2010-08-26 2010-12-15 中国船舶重工集团公司第十二研究所 Rotary structure mold of complicated curved-surface component and stripping/closing method thereof
CN113351847A (en) * 2021-06-18 2021-09-07 重庆市搏润模具有限公司 End cover die casting die production line

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