JPH1080758A - Device for cooling metallic mold - Google Patents

Device for cooling metallic mold

Info

Publication number
JPH1080758A
JPH1080758A JP23794196A JP23794196A JPH1080758A JP H1080758 A JPH1080758 A JP H1080758A JP 23794196 A JP23794196 A JP 23794196A JP 23794196 A JP23794196 A JP 23794196A JP H1080758 A JPH1080758 A JP H1080758A
Authority
JP
Japan
Prior art keywords
cooling
cooling water
air
mold
pumping
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
Application number
JP23794196A
Other languages
Japanese (ja)
Other versions
JP3186027B2 (en
Inventor
Shigeyoshi Komaki
重義 駒木
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ahresty Corp
Original Assignee
Ahresty Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Application filed by Ahresty Corp filed Critical Ahresty Corp
Priority to JP23794196A priority Critical patent/JP3186027B2/en
Publication of JPH1080758A publication Critical patent/JPH1080758A/en
Application granted granted Critical
Publication of JP3186027B2 publication Critical patent/JP3186027B2/en
Anticipated expiration legal-status Critical
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Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/02—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means
    • B29C33/04—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means using liquids, gas or steam
    • B29C33/046—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means using liquids, gas or steam using gas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/72—Heating or cooling
    • B29C45/73—Heating or cooling of the mould
    • B29C45/7306—Control circuits therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

PROBLEM TO BE SOLVED: To prevent the excess cooling of a metallic mold and to severely control the temp. of the metallic mold by cooling the metallic mold through a fluid confluent part and a cooling water manifold connected with the fluid confluent part. SOLUTION: A cooling system is divided into several number of the parts having the same or the near cooling condition for cooling the metallic mold (a) and the fluid confluent part 2, the cooling water manifold 3 and the metallic mold cooling part 4 are connected with a forcibly feeding part 1 in order. When a working control circuit 17 of the forcibly feeding part 1 receives a cooling start signal from a casting and forming machine, a pump 12 for supplying the water is worked with the command from the working control circuit 17, spout of the cooling water is started and at the same time, a solenoid valve 14 for cooling water is worked to start the forcibly feeding of the cooling water. The solenoid valve 14 for cooling water is stopped at the time of passing the preset time, and thereafter, a solenoid valve 16 for air is worked to start the forcibly feeding of the air. The air pressed fed from the forcibly feeding part 1 is exhausted to out of the metallic mold (a) while purging the remained cooling water in a cooling water passage (b) in the metallic mold (a).

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【０００１】[0001]

【発明の属する技術分野】本発明は、ダイカスト鋳造や
樹脂成型等において金型内部に形成した冷却水通路に冷
却水を供給して金型を冷却するための金型冷却装置に関
するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mold cooling device for cooling a mold by supplying cooling water to a cooling water passage formed inside the mold in die casting or resin molding.

【０００２】[0002]

【従来の技術】従来のこの種の金型冷却装置では、冷却
水吐出ポンプはもちろんのこと電磁弁やタイマー等の冷
却水の圧送・停止を行なう機器類を鋳造・成型機（ダイ
カストマシンや樹脂成型機等のマシンをいう、以下同
じ。）に外設せしめ、それら機器類を鋳造・成型機に組
込まれた制御回路でコントロールして、冷却水の吐出量
や吐出タイミング等をコントロールしていた。その為
に、金型を交換し新しく冷却系統を追加する必要がある
場合には、新たに電磁弁やタイマーなどの冷却水の圧送
・停止を行なうための機器類を鋳造・成型機に外設し配
線を行なわなければならず、それ故に新たな冷却系統の
追加作業が面倒であると共に、設置スペースの関係で設
置の制約を受けやすい不具合があった。2. Description of the Related Art In a conventional mold cooling apparatus of this type, a casting / molding machine (a die casting machine or a resin) is used to supply not only a cooling water discharge pump but also a solenoid valve, a timer and other devices for pumping and stopping cooling water. A machine such as a molding machine, etc., the same applies hereinafter), and these devices were controlled by a control circuit built into the casting / molding machine to control the discharge amount and timing of the cooling water. . Therefore, if it is necessary to replace the mold and add a new cooling system, external equipment such as a solenoid valve and a timer to pump and stop the cooling water is installed outside the casting and molding machine. Therefore, there is a problem that the work of adding a new cooling system is troublesome and the installation is liable to be restricted due to the installation space.

【０００３】一方、金型の温度は、鋳造製品の形状等に
より部分ごとに異なるので、当然のことながら冷却条件
（冷却温度や冷却タイミング等）も部分ごとに異なり、
冷却条件が同じ又は近い部分ごとに冷却系統を分けたほ
うが金型温度の適正且つシビアなコントロールを行なう
ことができるようになる。しかし乍ら、従来のこの種金
型冷却装置では、上述した通り冷却系統をあまり多くす
ることができないだけでなく、鋳造・成型機に組込まれ
た制御回路でもって各冷却系統の冷却水の吐出量や吐出
タイミング等をコントロールしていたので、冷却系統ご
とにシビアなコントロールが行なえない不具合があっ
た。On the other hand, since the temperature of the mold differs for each part depending on the shape and the like of the cast product, the cooling conditions (cooling temperature, cooling timing, etc.) naturally differ for each part.
If the cooling system is divided for each part where the cooling conditions are the same or close, the proper and severe control of the mold temperature can be performed. However, in this type of conventional mold cooling apparatus, not only the number of cooling systems cannot be increased as described above, but also the discharge of cooling water from each cooling system is controlled by a control circuit incorporated in the casting / molding machine. Since the amount and the discharge timing were controlled, there was a problem that severe control could not be performed for each cooling system.

【０００４】[0004]

【発明が解決しようとする課題】本発明はこの様な従来
の不具合に鑑みてなされたものであり、冷却系統を追加
新設する場合でも新たに電磁弁やタイマー等の機器類を
鋳造・成型機に外設し配線を行なわずとも済み、しかも
冷却水の無駄使いを防止することができ、更に複数の冷
却系統ごとのコントロールを容易且つシビアに行なうこ
とが出来る金型冷却装置を提供せんとするものである。SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned conventional problems. Even when a cooling system is newly installed, a new device such as a solenoid valve or a timer is used for a casting / molding machine. A mold cooling device which does not need to be externally mounted and wiring, can prevent waste of cooling water, and can easily and severely control each of a plurality of cooling systems. Things.

【０００５】[0005]

【課題を解決するための手段】斯る目的を達成する本発
明請求項１記載の金型冷却装置は、冷却水及びエアーを
圧送する圧送部と，該圧送部に連通接続された冷却水供
給パイプとエアー供給パイプとを合流させる流体合流部
と，該流体合流部に接続された冷却水マニホールドを介
して金型の冷却水通路に接続される金型冷却部とから構
成した事を特徴としたものである。この際、前記流体合
流部にチェック弁を組込むことが好ましい。また、本発
明請求項２記載の金型冷却装置は、前記流体合流部を前
記冷却水マニホールドに近接させて配置してなる事を特
徴としたものである。また、本発明請求項３記載の金型
冷却装置は、前記圧送部が、冷却水及びエアーを圧送す
る冷却系統を複数系統備え、各冷却系統毎に前記流体合
流部と冷却水マニホールド及び金型冷却部を具備せしめ
てなる事を特徴としたものである。そして、本発明請求
項４記載の金型冷却装置は、前記圧送部に、鋳造・成型
機からの冷却スタート信号でもって動作を開始して冷却
水及びエアーの圧送をコントロールする動作制御回路を
具備せしめてなる事を特徴としたものである。According to a first aspect of the present invention, there is provided a mold cooling apparatus, comprising: a pumping section for pumping cooling water and air; and a cooling water supply connected to the pumping section. A fluid junction for joining the pipe and the air supply pipe, and a mold cooling unit connected to a cooling water passage of the mold via a cooling water manifold connected to the fluid junction. It was done. At this time, it is preferable to incorporate a check valve into the fluid junction. Further, the mold cooling device according to claim 2 of the present invention is characterized in that the fluid confluence portion is arranged close to the cooling water manifold. Also, in the mold cooling device according to claim 3 of the present invention, the pumping section includes a plurality of cooling systems for pumping cooling water and air, and the fluid merging section, the cooling water manifold, and the mold are provided for each cooling system. It is characterized by having a cooling unit. The mold cooling apparatus according to claim 4 of the present invention includes an operation control circuit in the pumping section, which starts operation by a cooling start signal from the casting / molding machine and controls the pumping of cooling water and air. It is characterized by being at least done.

【０００６】[0006]

【発明の実施の形態】以下、本発明の具体的な実施例を
図面に基づいて説明する。本発明に係る金型冷却装置
は、冷却水及びエアーを圧送するための圧送部１と、冷
却水とエアーを合流させるための流体合流部２と、実際
に金型ａを冷却するための冷却水マニホールド３を含む
金型冷却部４とから構成されている。Embodiments of the present invention will be described below with reference to the drawings. The mold cooling device according to the present invention includes a pumping unit 1 for pumping cooling water and air, a fluid joining unit 2 for joining cooling water and air, and a cooling unit for actually cooling the mold a. And a mold cooling section 4 including a water manifold 3.

【０００７】圧送部１は、冷却水及びエアーを圧送す
る、詳しくは冷却水及びエアーを交互に圧送するための
ものであり、図示してない給水源の配水管に接続される
給水管１１に接続されて冷却水を吐出する給水用ポンプ
１２と、該給水用ポンプ１２の吐出側配管１３に組込ま
れる冷却水用電磁弁１４と、図示してないエアー供給源
に接続されるエアー用配管１５に組込まれるエアー用電
磁弁１６と、鋳造・成型機からの冷却スタート信号でも
って動作を開始して上記給水用ポンプ１２や電磁弁１
４，１６をコントロールすることにより冷却水及びエア
ーの圧送（吐出量や吐出タイミング等）をコントロール
する動作制御回路１７等から構成されている。The pumping section 1 is for pumping cooling water and air, more specifically, for alternately pumping cooling water and air. The pumping section 1 is connected to a water supply pipe 11 connected to a water supply pipe (not shown). A water supply pump 12 connected to discharge cooling water, a cooling water solenoid valve 14 incorporated in a discharge side pipe 13 of the water supply pump 12, and an air pipe 15 connected to an air supply source (not shown). The operation is started by a pneumatic electromagnetic valve 16 incorporated in the pump and a cooling start signal from a casting / molding machine, and the water supply pump 12 and the electromagnetic valve 1 are started.
An operation control circuit 17 and the like for controlling the pressure feed (discharge amount, discharge timing, etc.) of the cooling water and the air by controlling the control units 4 and 16 are provided.

【０００８】この際、圧送部１には、冷却水及びエアー
を圧送する冷却系統を複数系統備え、各冷却系統毎に上
記流体合流部２と冷却水マニホールド３及び金型冷却部
４を具備せしめることが好ましい。即ち、図２に示すご
とく、冷却水を吐出・圧送する給水用ポンプ１２の吐出
側配管１３から複数本の冷却水供給パイプ１８ａ，１８
ｂ，…，１８ｎを並列に分岐させ、各冷却水供給パイプ
１８ａ，１８ｂ，…，１８ｎごとに冷却水用電磁弁１４
ａ，１４ｂ，…，１４ｎを組込むと共に、エアー供給源
に接続されたエアー用配管１５から複数本のエアー供給
パイプ１９ａ，１９ｂ，…，１９ｎを並列に分岐させ、
各エアー供給パイプ１９ａ，１９ｂ，…，１９ｎごとに
エアー用電磁弁１６ａ，１６ｂ，…，１６ｎを組込み、
これら１本の冷却水供給パイプと１本のエアー供給パイ
プとで１組の冷却系統を構成せしめ、各冷却系統毎に流
体合流部２と冷却水マニホールド３及び金型冷却部４を
具備せしめるものである。尚、各冷却系統は、１つの動
作制御回路１７でもってコントロールし得るように構成
する。At this time, the pumping section 1 is provided with a plurality of cooling systems for pumping cooling water and air, and each of the cooling systems is provided with the fluid merging section 2, the cooling water manifold 3, and the mold cooling section 4. Is preferred. That is, as shown in FIG. 2, a plurality of cooling water supply pipes 18a, 18 are provided from a discharge side pipe 13 of a water supply pump 12 for discharging and pumping cooling water.
, 18n are branched in parallel, and a cooling water solenoid valve 14 is provided for each cooling water supply pipe 18a, 18b,.
, 14n, and a plurality of air supply pipes 19a, 19b,..., 19n are branched in parallel from an air pipe 15 connected to an air supply source.
The air solenoid valves 16a, 16b,..., 16n are incorporated into each of the air supply pipes 19a, 19b,.
One cooling water supply pipe and one air supply pipe constitute a set of cooling systems, and each of the cooling systems is provided with a fluid merging section 2, a cooling water manifold 3, and a mold cooling section 4. It is. Each cooling system is configured to be controlled by one operation control circuit 17.

【０００９】冷却水を吐出・圧送するための給水用ポン
プ１２としては、通常用いられる周知のポンプを使用す
ることができるが、本実施例では、図２に模式的に示し
た通り、高圧エアーで動作するシリンダ式のポンプを用
いている。このシリンダ式のポンプは、同軸状に配置さ
れた２個のシリンダ室１２ａ内に１本のピストンロッド
１２ｂで連結されたピストン１２ｃを設置し、一方のシ
リンダ室１２ａのヘッド側を冷却水を溜めておくための
液室１２ｄとし、それ以外のシリンダ室内をエアー室と
なし、エアー室に供給する高圧エアーの作用により液室
１２ｄ内の冷却水を高い吐出圧力でもって送液できると
共に、格別に冷却装置を介在設置せずとも送液（水）を
冷却することが出来るようにしたものである（特開平８
−１７７７２０号参照）。従って、このシリンダ式ポン
プを使用すれば、冷却水を吐出供給する必要がないとき
には冷却水の吐出動作を停止させておくことが可能とな
り、その分当該ポンプ及び冷却水用電磁弁に掛かる負担
並びにランニングコストを軽減させることが出来る。
尚、図中１２ｆは冷却水用フィルター、１２ｇはポンプ
駆動用電磁弁、１２ｈは上記シリンダ式ポンプ１２の吐
出圧を調整するためのエアー圧力調整用レギュレータ
ー、１２ｉは圧力スイッチ、１２ｊは圧力計、を示す
が、このシリンダ式ポンプを使用しない場合には上記ポ
ンプ駆動用電磁弁１２ｇ及びエアー圧力調整用レギュレ
ーター１２ｈ等は不要である。As the water supply pump 12 for discharging and pressure-feeding the cooling water, a commonly used well-known pump can be used. In this embodiment, as shown schematically in FIG. Using a cylinder-type pump that operates on In this cylinder type pump, a piston 12c connected by a single piston rod 12b is installed in two cylinder chambers 12a arranged coaxially, and the head side of one cylinder chamber 12a stores cooling water. A liquid chamber 12d for storing, and the other cylinder chamber is an air chamber, and by the action of high-pressure air supplied to the air chamber, the cooling water in the liquid chamber 12d can be sent at a high discharge pressure and specially. The liquid feed (water) can be cooled without intervening a cooling device (Japanese Patent Laid-Open No. Hei 8 (1996)).
177720). Therefore, if this cylinder type pump is used, the discharge operation of the cooling water can be stopped when there is no need to discharge and supply the cooling water, and the load on the pump and the solenoid valve for the cooling water can be reduced accordingly. Running costs can be reduced.
In the drawing, 12f is a filter for cooling water, 12g is a solenoid valve for driving a pump, 12h is a regulator for adjusting the discharge pressure of the cylinder type pump 12, 12i is a pressure switch, 12j is a pressure gauge, However, when this cylinder type pump is not used, the pump driving solenoid valve 12g and the air pressure adjusting regulator 12h are unnecessary.

【００１０】冷却水及びエアーの圧送（吐出量や吐出タ
イミング等）をコントロールする動作制御回路１７は、
リレーやタイマーを用いたシーケンス制御方式やマイコ
ンを用いたコンピュータプログラム制御方式などによっ
て制御する回路で構成され、鋳造・成型機からの冷却ス
タート信号でもって動作を開始して、上記給水用ポンプ
１２や冷却水用電磁弁１４（１４ａ，１４ｂ，…，１４
ｎ）及びエアー用電磁弁１６（１６ａ，１６ｂ，…，１
６ｎ）をコントロールすることにより、各冷却系統の冷
却水及びエアーの圧送（吐出量や吐出タイミング等）を
コントロールするようになす。An operation control circuit 17 for controlling the pressure feed (discharge amount, discharge timing, etc.) of the cooling water and air includes:
It is composed of a circuit controlled by a sequence control method using a relay or a timer, a computer program control method using a microcomputer, or the like, and starts operation by a cooling start signal from a casting / molding machine, and the water supply pump 12 The cooling water solenoid valve 14 (14a, 14b,..., 14)
n) and the solenoid valve 16 for air (16a, 16b,..., 1)
6n), the pressure feed (discharge amount, discharge timing, etc.) of the cooling water and air in each cooling system is controlled.

【００１１】また流体合流部２は、圧送部１に接続され
た冷却水供給パイプ１８（１８ａ，１８ｂ，…，１８
ｎ）とエアー供給パイプ１９（１９ａ，１９ｂ，…，１
９ｎ）とを合流させて冷却水とエアーを交互に圧送でき
るようにするためのものであり、金型ａの上部等に設置
した冷却水マニホールド３に近接させて配置すると共
に、チェック弁２１ａ，２１ｂを組込んでなる。使用す
るチェック弁としては、バネ式のチェック弁を用い、ク
ラッキング圧力より低い圧力の流体（冷却水又はエア
ー）がそれぞれの冷却水供給パイプ１８（１８ａ，１８
ｂ，…，１８ｎ）及びエアー供給パイプ１９（１９ａ，
１９ｂ，…，１９ｎ）に維持されるようにする。The fluid converging section 2 has a cooling water supply pipe 18 (18a, 18b,..., 18) connected to the pumping section 1.
n) and the air supply pipe 19 (19a, 19b,..., 1)
9n) so that the cooling water and the air can be alternately sent under pressure. The cooling water and the air are alternately sent under pressure. 21b. As a check valve to be used, a spring type check valve is used, and a fluid (cooling water or air) having a pressure lower than the cracking pressure is supplied to each cooling water supply pipe 18 (18a, 18).
, 18n) and the air supply pipe 19 (19a,
19b,..., 19n).

【００１２】この様に、流体合流部２にチェック弁２１
ａ，２１ｂを組込むことにより、図３に示した実施例ご
とく、エアー供給パイプ１９（１９ａ，１９ｂ，…，１
９ｎ）にエアー用電磁弁を組込まなくとも、エアー供給
パイプ１９（１９ａ，１９ｂ，…，１９ｎ）からエアー
を吐出し続けることで冷却水が流れている間は冷却水の
圧力によりエアーが流れず、冷却水の吐出が終わるとエ
アーの圧送が行われるようになり、冷却水とエアーを交
互に圧送することができる。As described above, the check valve 21 is provided at the fluid junction 2.
a, 21b, the air supply pipes 19 (19a, 19b,..., 1) as in the embodiment shown in FIG.
Even if the solenoid valve for air is not installed in 9n), the air does not flow due to the pressure of the cooling water while the cooling water flows by continuously discharging the air from the air supply pipe 19 (19a, 19b, ..., 19n). When the discharge of the cooling water is completed, the air is supplied under pressure, and the cooling water and the air can be supplied alternately.

【００１３】冷却水マニホールド３は、１つの給水口及
び排水口（図示せず）と複数個の往路側口３１，…及び
復路側口３２，…を有する周知のものであり、その給水
口を流体合流部２の出口２２に近接させて連通接続せし
め、排水口に排水ホース３３を接続し、各往路側口３
１，…と復路側口３２，…にはそれぞれホース４１ａ，
４１ｂを介して往復式冷却管４２を連通接続せしめて金
型冷却部４を構成し、往復式冷却管４２が金型ａの冷却
水通路ｂ内に取り外し可能に挿入装着される。The cooling water manifold 3 is a well-known cooling water manifold having one water supply port and one water discharge port (not shown), and a plurality of outgoing side ports 31,. The outlet 22 of the fluid junction 2 is brought into close communication with the outlet 22, a drain hose 33 is connected to the drain, and each outgoing side port 3 is connected.
The hoses 41a,
The mold cooling section 4 is constituted by connecting the reciprocating cooling pipes 42 to each other via 41b, and the reciprocating cooling pipes 42 are removably inserted and mounted in the cooling water passage b of the mold a.

【００１４】而して、圧送部１は、その動作制御回路１
７の設定を行なうための操作盤を備えた機体内に収容さ
れて鋳造・成型機の近辺に配置され、また流体合流部２
は、圧送部１に連通接続された冷却水供給パイプ１８
（１８ａ，１８ｂ，…，１８ｎ）とエアー供給パイプ１
９（１９ａ，１９ｂ，…，１９ｎ）を介して、鋳造・成
型機の金型ａの上部等に配置された冷却水マニホールド
３に近接して配置され、そして金型冷却部４は金型ａに
装着される。Thus, the pressure feeding section 1 has its operation control circuit 1
7 is arranged in the vicinity of a casting / molding machine and provided with a control panel for performing the setting of 7
Is a cooling water supply pipe 18 communicatively connected to the pumping unit 1.
(18a, 18b, ..., 18n) and the air supply pipe 1
9 (19a, 19b,..., 19n), is disposed in close proximity to a cooling water manifold 3 disposed above a die a of a casting / molding machine. Attached to.

【００１５】次に、本金型冷却装置の取扱い動作を説明
する。始めに、圧送部１の冷却水管１１に給水源をエア
ー用配管１５にエアー供給源をそれぞれ接続せしめると
共に、金型ａを冷却する冷却条件（冷却温度や冷却タイ
ミング等）が同じ又は近い部分ごとに冷却系統を分けて
圧送部１に流体合流部２と冷却水マニホールド３及び金
型冷却部４を順次接続せしめ、そして金型冷却部４の往
復式冷却管４２を金型ａに形成された各冷却水通路ｂ内
に挿入装着し、圧送部１の動作制御回路１７を鋳造・成
型機の制御回路と電気的に接続せしめる。Next, the handling operation of the present mold cooling device will be described. First, a water supply source is connected to the cooling water pipe 11 of the pumping unit 1 and an air supply source is connected to the air pipe 15, and cooling conditions (cooling temperature, cooling timing, etc.) for cooling the mold a are all the same or close. The fluid confluence section 2, the cooling water manifold 3, and the mold cooling section 4 were sequentially connected to the pumping section 1 by the cooling system, and the reciprocating cooling pipe 42 of the mold cooling section 4 was formed in the mold a. It is inserted and mounted in each cooling water passage b to electrically connect the operation control circuit 17 of the pumping section 1 to the control circuit of the casting / molding machine.

【００１６】かくして、圧送部１の動作制御回路１７が
鋳造・成型機からの冷却スタート信号を受信すると、動
作制御回路１７が動作を開始する。すると、圧送部１の
動作制御回路１７からの指令により給水用ポンプ１２が
動作して冷却水の吐出が開始されると同時に、冷却水用
電磁弁１４（１４ａ，１４ｂ，…，１４ｎ）が動作して
冷却水の圧送が開始される。給水用ポンプ１２から吐出
圧送された冷却水は、冷却水供給パイプ１８（１８ａ，
１８ｂ，…，１８ｎ）から流体合流部２を通って冷却水
マニホールド３に至り、冷却水マニホールド３の各往路
側口３１，…からホース４１ａ→往復式冷却管４２の往
路を通って金型ａの冷却水通路ｂ内に入り、そこで熱交
換が行なわれる。然る後、冷却水は往復式冷却管４２の
復路からホース４１ｂ→冷却水マニホールド３の復路側
口３２，…を通り、冷却水マニホールド３の排水ホース
３３から排出される。そして、冷却水用電磁弁１４（１
４ａ，１４ｂ，…，１４ｎ）は予め設定した時間が経過
すると停止し、その後にエアー用電磁弁１６（１６ａ，
１６ｂ，…，１６ｎ）が動作してエアーの圧送が開始さ
れる。Thus, when the operation control circuit 17 of the pumping unit 1 receives the cooling start signal from the casting / molding machine, the operation control circuit 17 starts operating. Then, the water supply pump 12 operates according to a command from the operation control circuit 17 of the pumping unit 1 to start the discharge of the cooling water, and at the same time, the cooling water solenoid valves 14 (14a, 14b,..., 14n) operate. Then, the pumping of the cooling water is started. The cooling water discharged and fed from the water supply pump 12 is supplied to a cooling water supply pipe 18 (18a,
18b,..., 18n) to the cooling water manifold 3 through the fluid merging section 2, and from the respective outgoing side ports 31,... Of the cooling water manifold 3 to the mold a In the cooling water passage b, where heat exchange is performed. After that, the cooling water is discharged from the return passage of the reciprocating cooling pipe 42 through the hose 41b → the return passage side port 32 of the cooling water manifold 3, and the like from the drain hose 33 of the cooling water manifold 3. The cooling water solenoid valve 14 (1
4a, 14b,..., 14n) stop when a preset time elapses, and thereafter, the air solenoid valve 16 (16a, 16a,
, 16n) to start the air feeding.

【００１７】圧送部１から圧送されたエアーは、エアー
供給パイプ１９（１９ａ，１９ｂ，…，１９ｎ）から流
体合流部２を通り冷却水マニホールド３の各往路側口３
１，…からホース４１ａ→往復式冷却管４２の往路を通
って金型ａの冷却水通路ｂ内に入り、金型ａの冷却水通
路ｂ内に残留した冷却水をパージ（追い出す）しなが
ら、往復式冷却管４２の復路からホース４１ｂ→冷却水
マニホールド３の復路側口３２，…→冷却水マニホール
ド３を通って、金型ａの外に排出される。The air fed from the pumping section 1 passes from the air supply pipe 19 (19a, 19b,..., 19n) through the fluid merging section 2 to each of the outgoing ports 3 of the cooling water manifold 3.
From the hoses 41a to the cooling water passage b of the mold a through the reciprocating cooling pipe 42, the cooling water remaining in the cooling water passage b of the mold a is purged. , From the return path of the reciprocating cooling pipe 42, the hose 41 b → the return path side port 32 of the cooling water manifold 3,... → the cooling water manifold 3, and is discharged out of the mold a.

【００１８】以上説明した冷却水並びにエアーの圧送の
開始及び停止は、圧送部１の動作制御回路１７でもって
各冷却系統ごとにコントロールして行なわれる。また、
これら冷却水及びエアーの圧送・停止動作は、鋳造・成
型機が製品を鋳造・成型する１鋳造・成型サイクル毎に
行われる。尚、図４に示した自動運転タイムチャートの
「冷却水出遅れ時間」とは、冷却スタート信号を受信し
てから給水ポンプ１２が実際に冷却水を圧送するまでの
時間をいう。The start and stop of the cooling water and air pressure feeding described above are controlled by the operation control circuit 17 of the pressure feeding unit 1 for each cooling system. Also,
The operation of feeding and stopping the cooling water and the air is performed in each casting / molding cycle in which the casting / molding machine casts / molds the product. The “cooling water output delay time” in the automatic operation time chart shown in FIG. 4 refers to the time from when the cooling start signal is received to when the water supply pump 12 actually pumps the cooling water.

【００１９】[0019]

【発明の効果】本発明の金型冷却装置は斯様に構成した
ので、金型の冷却水通路内に冷却水とエアーを交互に圧
送して冷却水を間欠的に供給することが出来る。よっ
て、冷却水残りによる金型の冷やし過ぎを防止し、金型
の温度をシビアにコントロールすることが可能となる。As described above, the mold cooling apparatus of the present invention can intermittently supply cooling water by alternately feeding cooling water and air into the cooling water passage of the mold. Therefore, it is possible to prevent the mold from being excessively cooled by the remaining cooling water, and to control the mold temperature severely.

【００２０】しかも、請求項２記載の金型冷却装置によ
れば、圧送部に連通接続された冷却水供給パイプとエア
ー供給パイプとを合流させる流体合流部を冷却水マニホ
ールドに近接して接続せしめたので、冷却水供給パイプ
及びエアー供給パイプ内には金型冷却動作中ずっと冷却
水及びエアーが維持されることになり、従って冷却水と
エアーを交互に圧送する際に、冷却水及びエアーの無駄
遣いがないと共に、冷却水とエアーの圧送切り替え動作
を俊敏に行なうことが出来る。Further, according to the mold cooling device of the present invention, the fluid junction for joining the cooling water supply pipe and the air supply pipe, which are connected to the pressure feeding part, is connected close to the cooling water manifold. Therefore, the cooling water and the air are maintained in the cooling water supply pipe and the air supply pipe during the mold cooling operation.Therefore, when the cooling water and the air are alternately pumped, the cooling water and the air are not supplied. There is no waste, and the operation of switching the cooling water and air pressure can be performed promptly.

【００２１】また、請求項３記載の金型冷却装置によれ
ば、圧送部が、冷却水及びエアーを圧送する冷却系統を
複数系統備え、各冷却系統ごとに流体合流部と冷却水マ
ニホールド及び金型冷却部を具備せしめてなるので、金
型を交換し新しく冷却系統を追加する必要がある場合で
も、新たに電磁弁やタイマー等の機器類を鋳造・成型機
に外設し配線を行なわずとも済み、冷却系統の追加新設
が容易となる。According to the third aspect of the present invention, the pumping section includes a plurality of cooling systems for pumping the cooling water and the air, and the fluid converging section, the cooling water manifold and the mold are provided for each cooling system. Since it is equipped with a mold cooling section, even if it is necessary to replace the mold and add a new cooling system, equipment such as a solenoid valve and a timer is newly installed outside the casting / molding machine and wiring is not performed This makes it easy to add a new cooling system.

【００２２】更に、請求項４記載の金型冷却装置によれ
ば、圧送部に、鋳造・成型機からの冷却スタート信号で
もって動作を開始して冷却水及びエアーの圧送をコント
ロールする動作制御回路を具備せしめてなるので、複数
の各冷却系統ごとのコントロールを容易に行なうことが
出来る。よって、冷却条件（冷却温度や冷却タイミング
等）が部分的に異なる金型であっても、冷却条件が同じ
又は近い部分ごとに冷却系統を分けて適正に且つシビア
にコントロールすることが可能となる。Further, according to the mold cooling device of the present invention, the operation control circuit which starts the operation by the cooling start signal from the casting / molding machine to control the pressure supply of the cooling water and the air to the pressure feeding section. , The control for each of the plurality of cooling systems can be easily performed. Therefore, even if the mold has partially different cooling conditions (cooling temperature, cooling timing, etc.), it is possible to properly and severely control the cooling system by dividing the cooling system for each part having the same or similar cooling conditions. .

【００２３】また、請求項５記載の金型冷却装置によれ
ば、冷却水供給パイプとエアー供給パイプとを合流させ
る流体合流部にチェック弁を組込んでなるので、簡単な
機構でもって冷却水とエアーの切り替えを俊敏に行なう
ことが出来る。According to the mold cooling device of the fifth aspect, the check valve is incorporated in the fluid junction where the cooling water supply pipe and the air supply pipe are joined, so that the cooling water can be formed by a simple mechanism. And air can be switched quickly.

【図面の簡単な説明】[Brief description of the drawings]

【図１】 本発明実施の一例を示す模式図。FIG. 1 is a schematic view showing one embodiment of the present invention.

【図２】 本発明に係る圧送部の実施の一例を示す回路
図。FIG. 2 is a circuit diagram showing an example of an embodiment of a pumping unit according to the present invention.

【図３】 本発明に係る圧送部の他の実施例を示す回路
図。FIG. 3 is a circuit diagram showing another embodiment of the pumping section according to the present invention.

【図４】 本発明装置の動作を説明するタイムチャート
図。FIG. 4 is a time chart illustrating the operation of the device of the present invention.

【符号の説明】[Explanation of symbols]

１………圧送部 １１……給水管 １２……給水ポンプ １３……吐出側
配管 １４……冷却水用電磁弁 １５……エアー
用配管 １６……エアー用電磁弁 １７……動作制
御回路 １８……冷却水供給パイプ １９……エアー
供給パイプ ２………流体合流部 ２１……チェッ
ク弁 ３………冷却水マニホールド ３１……往路側
口 ３２……復路側口 ４………金型冷
却部 ａ………金型 ｂ………冷却水
通路DESCRIPTION OF SYMBOLS 1 ... Pumping part 11 ... Water supply pipe 12 ... Water supply pump 13 ... Discharge side piping 14 ... Cooling water solenoid valve 15 ... Air piping 16 ... Air solenoid valve 17 ... Operation control circuit 18 … Cooling water supply pipe 19… Air supply pipe 2… Fluid junction 21… Check valve 3… Cooling water manifold 31… Outgoing side port 32… Incoming side port 4 …… Mold cooling Part a: mold b: cooling water passage

Claims (5)

【特許請求の範囲】[Claims] 【請求項１】 冷却水及びエアーを圧送する圧送部
と，該圧送部に接続された冷却水供給パイプとエアー供
給パイプとを合流させる流体合流部と，該流体合流部に
接続された冷却水マニホールドを介して金型の冷却水通
路に接続される金型冷却部とから構成されている事を特
徴とする金型冷却装置。1. A pumping section for pumping cooling water and air, a fluid merging section for joining a cooling water supply pipe connected to the pumping section with an air supply pipe, and a cooling water connecting to the fluid merging section. A mold cooling unit connected to a mold cooling water passage via a manifold. 【請求項２】 前記流体合流部を前記冷却水マニホー
ルドに近接させて配置してなる事を特徴とする請求項１
記載の金型冷却装置。2. The cooling water manifold according to claim 1, wherein the fluid converging portion is disposed close to the cooling water manifold.
The mold cooling device according to the above. 【請求項３】 前記圧送部が、冷却水及びエアーを圧
送する冷却系統を複数系統備え、各冷却系統ごとに前記
流体合流部と冷却水マニホールド及び金型冷却部を具備
せしめてなる事を特徴とする請求項１記載の金型冷却装
置。3. The pumping unit includes a plurality of cooling systems for pumping cooling water and air, and each cooling system includes the fluid merging unit, a cooling water manifold, and a mold cooling unit. The mold cooling device according to claim 1, wherein 【請求項４】 前記圧送部に、鋳造・成型機からの冷
却スタート信号でもって動作を開始して冷却水及びエア
ーの圧送をコントロールする動作制御回路を具備せしめ
てなる事を特徴とする請求項１記載の金型冷却装置。4. An operation control circuit for starting the operation by a cooling start signal from a casting / molding machine and controlling the pumping of cooling water and air, wherein said pumping section is provided with an operation control circuit. 2. The mold cooling device according to 1. 【請求項５】 前記流体合流部にチェック弁を組込ん
でなる事を特徴とする請求項１記載の金型冷却装置。5. The mold cooling device according to claim 1, wherein a check valve is incorporated in the fluid junction.
JP23794196A 1996-09-09 1996-09-09 Mold cooling device Expired - Lifetime JP3186027B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP23794196A JP3186027B2 (en) 1996-09-09 1996-09-09 Mold cooling device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP23794196A JP3186027B2 (en) 1996-09-09 1996-09-09 Mold cooling device

Publications (2)

Publication Number Publication Date
JPH1080758A true JPH1080758A (en) 1998-03-31
JP3186027B2 JP3186027B2 (en) 2001-07-11

Family

ID=17022738

Family Applications (1)

Application Number Title Priority Date Filing Date
JP23794196A Expired - Lifetime JP3186027B2 (en) 1996-09-09 1996-09-09 Mold cooling device

Country Status (1)

Country Link
JP (1) JP3186027B2 (en)

Cited By (11)

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WO2003037548A1 (en) * 2001-10-31 2003-05-08 Ahresty Corporation Cooling device for casting molds
WO2003037547A1 (en) * 2001-10-31 2003-05-08 Ahresty Corporation Mold cooling device
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WO2006046292A1 (en) * 2004-10-28 2006-05-04 Ahresty Corporation Mold cooling apparatus
WO2006098152A1 (en) 2005-03-15 2006-09-21 J.F.T. Co., Ltd. Mold cooling device
JP2010099698A (en) * 2008-10-23 2010-05-06 Die Engineering:Kk Mold cooling apparatus
JP2018012136A (en) * 2016-07-22 2018-01-25 リョービ株式会社 Metal mold cooling device
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Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6827323B2 (en) 2000-09-25 2004-12-07 J.F.T. Co., Ltd. Mold cooling device
EP1334786A4 (en) * 2000-09-25 2005-09-14 J F T Co Ltd Mold cooling device
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WO2003037547A1 (en) * 2001-10-31 2003-05-08 Ahresty Corporation Mold cooling device
WO2003037548A1 (en) * 2001-10-31 2003-05-08 Ahresty Corporation Cooling device for casting molds
JP2006035250A (en) * 2004-07-26 2006-02-09 Ahresty Corp Die cooling method and die cooling apparatus
JP4509684B2 (en) * 2004-07-26 2010-07-21 株式会社アーレスティ Mold cooling method and cooling device
WO2006046292A1 (en) * 2004-10-28 2006-05-04 Ahresty Corporation Mold cooling apparatus
WO2006098152A1 (en) 2005-03-15 2006-09-21 J.F.T. Co., Ltd. Mold cooling device
US8360135B2 (en) 2005-03-15 2013-01-29 J. F. T. Co., Ltd. Mold cooling device
JP2010099698A (en) * 2008-10-23 2010-05-06 Die Engineering:Kk Mold cooling apparatus
JP2018012136A (en) * 2016-07-22 2018-01-25 リョービ株式会社 Metal mold cooling device
KR20220079255A (en) * 2020-12-04 2022-06-13 명화공업주식회사 Apparatus for counter pressure casting
KR20220079254A (en) * 2020-12-04 2022-06-13 명화공업주식회사 Apparatus for counter pressure casting
CN112846588A (en) * 2021-01-08 2021-05-28 天能电池集团（安徽）有限公司 Exhaust mechanism for cast-weld machine

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