JPH10100119A - Continuous production of bottomed cylindrical body by dry hydrostatic pressure molding - Google Patents
Continuous production of bottomed cylindrical body by dry hydrostatic pressure moldingInfo
- Publication number
- JPH10100119A JPH10100119A JP8262817A JP26281796A JPH10100119A JP H10100119 A JPH10100119 A JP H10100119A JP 8262817 A JP8262817 A JP 8262817A JP 26281796 A JP26281796 A JP 26281796A JP H10100119 A JPH10100119 A JP H10100119A
- Authority
- JP
- Japan
- Prior art keywords
- molding
- mandrel
- cylindrical body
- pressure
- bottomed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
- B30B11/001—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a flexible element, e.g. diaphragm, urged by fluid pressure; Isostatic presses
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Press Drives And Press Lines (AREA)
- Press-Shaping Or Shaping Using Conveyers (AREA)
- Powder Metallurgy (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】 本発明は、乾式静水圧加圧
成形により有底円筒体を連続的に製造するための方法に
関する。The present invention relates to a method for continuously producing a bottomed cylinder by dry isostatic pressing.
【０００２】[0002]
【従来の技術】 ナトリウム−硫黄電池に用いられるβ
−アルミナ管等のセラミックス、金属等から成る有底円
筒体の製造は、通常、乾式の静水圧加圧成形（以下ＣＩ
Ｐ成形という。）により行われる。一般に、ＣＩＰ成形
は、粉末充填、加圧・減圧及び成形体取出しの３工程か
ら成る。2. Description of the Related Art β used in sodium-sulfur batteries
-Production of bottomed cylindrical bodies made of ceramics, metals, etc., such as alumina tubes, is usually performed by dry isostatic pressing (hereinafter referred to as CI).
It is called P molding. ). Generally, CIP molding includes three steps of powder filling, pressurization / decompression, and removal of a compact.
【０００３】 ＣＩＰ成形による成形工程を、図４〜図
８を用いて説明する。第一工程は粉末充填工程であり、
これは、内部に成形用ゴム型を有する圧力容器にマンド
レルを装着した後、その成形用ゴム型内の成形空間に成
形用粉末を充填し、次いでトップパンチをその圧力容器
の上部に設けた孔部内に装着する工程である。[0005] A molding process by CIP molding will be described with reference to FIGS. The first step is a powder filling step,
This is because a mandrel is mounted on a pressure vessel having a rubber mold for molding therein, and then a molding powder is filled in a molding space in the rubber mold for molding, and then a top punch is provided at the top of the pressure vessel. This is a step of mounting the unit.
【０００４】 具体的には、図４に示すように、まず、
マンドレル３が、内部に成形用ゴム型４を有する圧力容
器２に装着され、続いて、計量充填装置１６により、セ
ラミック粉末、金属粉末等の成形用粉末Ａが、給粉ノズ
ル１を介して成形用ゴム型４内に挿入・充填される。最
後に、圧力容器２の上部に設けた孔部内に、トップゴム
栓１０を備えたトップパンチ１１が装着される。[0004] Specifically, as shown in FIG.
The mandrel 3 is mounted on a pressure vessel 2 having a rubber mold 4 for molding therein. Subsequently, a molding powder A such as a ceramic powder or a metal powder is molded by a metering / filling device 16 through a powder supply nozzle 1. Inserted and filled in the rubber mold 4 for use. Finally, a top punch 11 having a top rubber stopper 10 is mounted in a hole provided in the upper part of the pressure vessel 2.
【０００５】 従って、圧力容器２内には、円柱状のマ
ンドレル３と円筒状の成形用ゴム型４、及びマンドレル
３を下方から支持するボトムパンチ９により有底円筒形
状の成形空間８が形成されることになる。成形用ゴム型
４の周方向の外周側には、成形用ゴム型４を包囲する圧
媒シールゴム５が備えられており、圧力容器２には圧媒
出入口６が設けられている。なお、７はシールゴムホル
ダーである。Accordingly, in the pressure vessel 2, a cylindrical molding space 8 having a bottom is formed by the cylindrical mandrel 3, the cylindrical molding rubber mold 4, and the bottom punch 9 supporting the mandrel 3 from below. Will be. A pressure medium seal rubber 5 surrounding the rubber mold 4 is provided on the outer peripheral side of the rubber mold 4 in the circumferential direction, and a pressure medium inlet / outlet 6 is provided in the pressure vessel 2. Reference numeral 7 denotes a seal rubber holder.
【０００６】 第二工程は加圧・減圧工程であり、これ
は成形用ゴム型の外周側に圧力媒体を導入することによ
り静水圧加圧を行った後、圧力媒体を除去することによ
り減圧し、次いで成形体とともにマンドレルを圧力容器
から取り出すまでの工程である。The second step is a pressurizing / depressurizing step, in which a hydrostatic pressure is applied by introducing a pressure medium to the outer peripheral side of the molding rubber mold, and then the pressure is reduced by removing the pressure medium. And then the process of removing the mandrel from the pressure vessel together with the compact.
【０００７】 加圧は、図５に示すように、高圧ポンプ
（図示せず。）から増圧機（図示せず。）を経て圧媒出
入口６から流入する圧力媒体により行われ、圧媒シール
ゴム５及び成形用ゴム型４を介して成形用粉末Ａが圧縮
成形される。減圧は、図６に示すように、圧力媒体を圧
媒出入口６より流出させて、成形用ゴム型４を復元させ
ることにより行われ、次いで、図７に示すように、トッ
プパンチ１１を上昇させるとともにマンドレル３を下降
させることにより、有底円筒成形体１２を圧力容器２か
ら取り出す。なお、トップパンチ１１及びマンドレル３
が圧力容器２から飛び出すのを防止するため、加圧が行
われる前に、それらは反力受け機構（図示せず。）によ
り、トップパンチ１１の上方及びマンドレル３の下方か
ら圧力容器２に固定される。又、反力受け機構による固
定は、減圧後に解除される。As shown in FIG. 5, pressurization is performed by a pressure medium flowing from a high-pressure pump (not shown) through a pressure medium inlet / outlet 6 through a pressure intensifier (not shown). The molding powder A is compression-molded through the molding rubber mold 4. The pressure reduction is performed by allowing the pressure medium to flow out of the pressure medium inlet / outlet 6 and restoring the molding rubber mold 4 as shown in FIG. 6, and then raising the top punch 11 as shown in FIG. By lowering the mandrel 3 at the same time, the bottomed cylindrical molded body 12 is taken out of the pressure vessel 2. The top punch 11 and the mandrel 3
Before the pressure is applied, they are fixed to the pressure vessel 2 from above the top punch 11 and below the mandrel 3 by a reaction force receiving mechanism (not shown) in order to prevent them from jumping out of the pressure vessel 2. Is done. The fixation by the reaction force receiving mechanism is released after the pressure is reduced.
【０００８】 第三工程は成形取り外し工程であり、こ
れは、有底円筒成形体１２をマンドレル３から取り外す
工程である。成形体１２の取り外しは、成形体取り外し
装置を用いて行われるが、例えば、図８（ａ）、（ｃ）
に示すように、マンドレル３とともに傾斜させた成形体
１２の外周面を成形体取り外し装置１５に設けたグリッ
パー１３で狭持し、次いで図８（ｂ）に示すように、グ
リッパー１３を、成形体１２と平行に配置したグリッパ
ー支持柱１４に沿って斜め上方にスライドさせ、成形体
１２をマンドレル３から取り外す。The third step is a molding removal step, which is a step of removing the bottomed cylindrical molded body 12 from the mandrel 3. The removal of the molded body 12 is performed using a molded body removing device. For example, FIGS. 8 (a) and 8 (c)
As shown in FIG. 8, the outer peripheral surface of the molded body 12 inclined together with the mandrel 3 is held by a gripper 13 provided in a molded body removing device 15, and then, as shown in FIG. The molded body 12 is detached from the mandrel 3 by sliding diagonally upward along the gripper support pillars 14 arranged parallel to the mandrel 3.
【０００９】[0009]
【発明が解決しようとする課題】 しかしながら、ＣＩ
Ｐ成形により多数の有底円筒体を製造する場合に、計量
充填装置、圧力容器、マンドレル等、ＣＩＰ成形に必要
な装置及び部材を一組のみ用意し、１つの有底円筒体の
製造が終了してから次の有底円筒体の製造に着手したの
では、製造効率が悪いため多数の有底円筒体を迅速に供
給することができない。SUMMARY OF THE INVENTION However, CI
When manufacturing many bottomed cylinders by P molding, prepare only one set of equipment and members necessary for CIP molding, such as a metering and filling device, a pressure vessel, a mandrel, etc., and complete the production of one bottomed cylinder. If the production of the next bottomed cylinder is started afterwards, a large number of bottomed cylinders cannot be quickly supplied due to poor production efficiency.
【００１０】 一方、ＣＩＰ成形に必要な装置及び部材
一式を、２組又は３組準備し、同時に２個又は３個の有
底円筒体を製造すれば、多数の有底円筒体を迅速に供給
することはできるものの、設備費が高価になり、製造コ
ストの低減を図ることができない。On the other hand, if two or three sets of equipment and members required for CIP molding are prepared and two or three bottomed cylinders are manufactured at the same time, a large number of bottomed cylinders can be quickly supplied. Although it is possible to do so, the equipment cost is high and the manufacturing cost cannot be reduced.
【００１１】 本発明はかかる状況に鑑みてなされたも
のであり、その目的とするところは、多数の有底円筒体
を迅速に供給できるとともに、製造コストの低減をも図
ることができるＣＩＰ成形による有底円筒体の連続製造
方法を提供することにある。The present invention has been made in view of such circumstances, and an object of the present invention is to provide a CIP molding capable of rapidly supplying a large number of bottomed cylinders and reducing the production cost. An object of the present invention is to provide a continuous production method of a bottomed cylindrical body.
【００１２】[0012]
【課題を解決するための手段】 即ち、本発明によれ
ば、内部に成形用ゴム型を有する圧力容器にマンドレル
を装着した後、成形用ゴム型内の成形空間に成形用粉末
を充填し、次いでトップパンチを圧力容器の上部に設け
た孔部内に装着する第一工程、マンドレル及びトップパ
ンチを反力受け機構により固定しつつ、成形用ゴム型の
外周側に圧力媒体を導入することにより静水圧加圧を行
った後、圧力媒体を除去することにより減圧し、次いで
成形体とともにマンドレルを圧力容器から取り出す第二
工程、及び、成形体をマンドレルから取り外す第三工程
から成るＣＩＰ成形による有底円筒体の連続製造方法で
あって、第一工程及び第二工程により成形された有底円
筒体についての第三工程と並行して、その有底円筒体の
成形に用いた圧力容器、トップパンチ、反力受け機構及
び他のマンドレルを用いて次の有底円筒体の成形のため
の第一工程及び第二工程を行うＣＩＰ成形による有底円
筒体の連続製造方法が提供される。上記の方法は、第一
工程及び第二工程の所要時間の合計が、第三工程の所要
時間とほぼ等しい場合に好適に用いられる。That is, according to the present invention, a mandrel is attached to a pressure vessel having a rubber mold for molding therein, and then a molding powder is filled in a molding space in the rubber mold for molding. Next, in the first step of mounting the top punch in the hole provided in the upper part of the pressure vessel, while the mandrel and the top punch are fixed by the reaction force receiving mechanism, the pressure medium is introduced to the outer peripheral side of the rubber mold for molding, thereby statically. After performing hydraulic pressurization, the pressure is reduced by removing the pressure medium, then the second step of removing the mandrel from the pressure vessel together with the compact and the third step of removing the compact from the mandrel. A method for continuously manufacturing a cylindrical body, wherein the pressure vessel used for forming the bottomed cylindrical body in parallel with the third step for the bottomed cylindrical body formed by the first step and the second step Provided is a method for continuously manufacturing a bottomed cylinder by CIP molding in which a first step and a second step for molding the next bottomed cylinder are performed using a top punch, a reaction force receiving mechanism, and another mandrel. . The above method is suitably used when the total required time of the first step and the second step is substantially equal to the required time of the third step.
【００１３】 又、本発明によれば、内部に成形用ゴム
型を有する圧力容器にマンドレルを装着した後、成形用
ゴム型内の成形空間に成形用粉末を充填し、次いでトッ
プパンチを圧力容器の上部に設けた孔部内に装着する第
一工程、マンドレル及びトップパンチを反力受け機構に
より固定しつつ、成形用ゴム型の外周側に圧力媒体を導
入することにより静水圧加圧を行った後、圧力媒体を除
去することにより減圧し、次いで成形体とともにマンド
レルを圧力容器から取り出す第二工程、及び、成形体を
マンドレルから取り外す第三工程から成るＣＩＰ成形に
よる有底円筒体の連続製造方法であって、ある有底円筒
体の成形のための第二工程と並行して、その有底円筒体
の成形に用いる反力受け機構、他のマンドレル、他の圧
力容器及び他のトップパンチを用いて第一工程及び第二
工程により既に成形された有底円筒体について第三工程
を行い、次いで、上記他のマンドレル、他の圧力容器及
び他のトップパンチを用いて次の有底円筒体の成形のた
めの第一工程を行うＣＩＰ成形による有底円筒体の連続
製造方法が提供される。上記の方法は、第一工程及び第
三工程の所要時間の合計が、第二工程の所要時間とほぼ
等しい場合に好適に用いられる。According to the present invention, a mandrel is mounted on a pressure vessel having a molding rubber mold inside, and then a molding powder is filled in a molding space in the molding rubber mold, and then a top punch is attached to the pressure vessel. The first step of mounting in the hole provided in the upper part of the mold, the mandrel and the top punch were fixed by a reaction force receiving mechanism, and a hydrostatic pressure was applied by introducing a pressure medium to the outer peripheral side of the molding rubber mold. Thereafter, the pressure is reduced by removing the pressure medium, then the second step of removing the mandrel from the pressure vessel together with the compact, and the third step of removing the compact from the mandrel, a continuous production method of a bottomed cylindrical body by CIP molding. A reaction receiving mechanism, another mandrel, another pressure vessel, and another top used for forming the bottomed cylinder in parallel with the second step for forming the bottomed cylinder. The third step is performed on the bottomed cylinder already formed by the first step and the second step using a punch, and then, using the other mandrel, another pressure vessel, and another top punch, the next bottomed cylinder is used. A continuous production method of a bottomed cylinder by CIP molding that performs a first step for molding a cylinder is provided. The above method is suitably used when the total required time of the first and third steps is substantially equal to the required time of the second step.
【００１４】 さらに、本発明によれば、内部に成形用
ゴム型を有する圧力容器にマンドレルを装着した後、成
形用ゴム型内の成形空間に成形用粉末を充填し、次いで
トップパンチを圧力容器の上部に設けた孔部内に装着す
る第一工程、マンドレル及びトップパンチを反力受け機
構により固定しつつ、成形用ゴム型の外周側に圧力媒体
を導入することにより静水圧加圧を行った後、圧力媒体
を除去することにより減圧し、次いで成形体とともにマ
ンドレルを圧力容器から取り出す第二工程、及び、成形
体をマンドレルから取り外す第三工程から成るＣＩＰ成
形による有底円筒体の連続製造方法であって、第一工程
及び第二工程により成形された有底円筒体についての第
三工程、その有底円筒体の成形に用いた反力受け機構、
他のマンドレル、他の圧力容器及び他のトップパンチを
用いた次の有底円筒体の成形のための第二工程、及びそ
の有底円筒体の成形に用いた圧力容器、トップパンチ及
びさらに他のマンドレルを用いたさらに次の有底円筒体
の成形のための第一工程とを並行して行うＣＩＰ成形に
よる有底円筒体の連続製造方法が提供される。上記の方
法は、第一工程、第二工程及び第三工程の所要時間がそ
れぞれほぼ等しい場合に好適に用いられる。Further, according to the present invention, after the mandrel is attached to the pressure vessel having the rubber mold for molding therein, the molding space in the rubber mold is filled with the molding powder, and then the top punch is placed in the pressure vessel. The first step of mounting in the hole provided in the upper part of the mold, the mandrel and the top punch were fixed by a reaction force receiving mechanism, and a hydrostatic pressure was applied by introducing a pressure medium to the outer peripheral side of the molding rubber mold. Thereafter, the pressure is reduced by removing the pressure medium, then the second step of removing the mandrel from the pressure vessel together with the compact, and the third step of removing the compact from the mandrel, a continuous production method of a bottomed cylindrical body by CIP molding. And the third step for the bottomed cylindrical body formed by the first step and the second step, a reaction force receiving mechanism used for forming the bottomed cylindrical body,
The second step for molding the next bottomed cylinder using another mandrel, another pressure vessel and another top punch, and the pressure vessel, top punch and more used for molding the bottomed cylinder And a continuous method for producing a bottomed cylinder by CIP molding in which the following first step for molding a bottomed cylinder using the mandrel is performed in parallel. The above method is suitably used when the required times of the first, second and third steps are substantially equal.
【００１５】[0015]
【発明の実施の形態】 本発明においては、図１に示す
ように、第一工程及び第二工程を経て成形された有底円
筒体１２ａをマンドレル３ａから取り外している間、即
ち第三工程の間に、次の有底円筒体１２ｂの成形のため
の第一工程及び第二工程が行われる。又、有底円筒体１
２ｂの成形のための第一工程及び第二工程は、有底円筒
体１２ａの成形に用いた圧力容器２、トップパンチ１
１、反力受け機構（図示せず。）及び異なるマンドレル
３ｂを用いて行われる。BEST MODE FOR CARRYING OUT THE INVENTION In the present invention, as shown in FIG. 1, while a bottomed cylindrical body 12a formed through a first step and a second step is removed from a mandrel 3a, that is, during the third step, In the meantime, a first step and a second step for forming the next bottomed cylindrical body 12b are performed. In addition, bottomed cylindrical body 1
The first step and the second step for molding 2b include the pressure vessel 2 and the top punch 1 used for molding the bottomed cylinder 12a.
1. This is performed using a reaction force receiving mechanism (not shown) and a different mandrel 3b.
【００１６】 即ち、第三工程においては、有底円筒体
１２ａの成形に用いた圧力容器２、トップパンチ１１及
び反力受け機構は使用されていないため、これらを次の
有底円筒体１２ｂの成形のための第一工程及び第二工程
に用いることとしたものである。一方、マンドレル３ａ
は、第三工程において、未だ使用中であるため、次の有
底円筒体１２ｂの成形に用いることはできず、異なるマ
ンドレル３ｂを用いることが必要となる。That is, in the third step, since the pressure vessel 2, the top punch 11, and the reaction force receiving mechanism used for forming the bottomed cylindrical body 12 a are not used, these are used for the next bottomed cylindrical body 12 b. It is to be used in the first step and the second step for molding. On the other hand, mandrel 3a
In the third step, since it is still in use, it cannot be used for forming the next bottomed cylindrical body 12b, and it is necessary to use a different mandrel 3b.
【００１７】 上記の方法によれば、２つの有底円筒体
を並行して製造する場合に、マンドレルのみが２本必要
となるが、同一の圧力容器、トップパンチ及び反力受け
機構を２つの有底円筒体の製造に兼用しており、又、計
量充填装置、成形体取り外し装置及び高圧ポンプ、増圧
機等の昇圧・減圧装置も兼用が可能である。従って、Ｃ
ＩＰ成形に必要な装置及び部材一式を２組準備し、同時
に２個の有底円筒体を製造する場合に比べ、製造設備費
の大幅な低減を図ることができる。According to the above method, when manufacturing two bottomed cylinders in parallel, only two mandrels are required, but the same pressure vessel, top punch, and two reaction force receiving mechanisms are required. It is also used for the production of a cylinder with a bottom, and can also be used for a pressure filling device such as a metering and filling device, a molded product removing device, a high pressure pump, and a pressure intensifier. Therefore, C
Compared to a case where two sets of devices and members required for IP molding are prepared and two bottomed cylinders are manufactured at the same time, manufacturing equipment costs can be significantly reduced.
【００１８】 又、第一工程、第二工程及び第三工程に
要する時間をそれぞれＴ1、Ｔ2及びＴ3とすると、ある
有底円筒体についての第一工程及び第二工程は、その前
の有底円筒体についての第三工程と、又、第三工程は次
の有底円筒体についての第一工程及び第二工程と並行し
て行われるため、２個の有底円筒体を製造するのに要す
る時間はＴ1＋Ｔ2＋Ｔ3となる。一方、ＣＩＰ成形に必
要な装置及び部材を一組のみ用意して２個の有底円筒体
を製造する場合に要する時間は、２（Ｔ1＋Ｔ2＋Ｔ3）
であることから、上記の方法によれば、有底円筒体の製
造効率を約２倍に高めることが可能となり、又、装置及
び部材一式を２組準備し、同時に２個の有底円筒体を製
造する場合とほぼ同じ製造効率を達成することができ
る。If the times required for the first step, the second step and the third step are respectively T 1 , T 2 and T 3 , the first step and the second step for a certain bottomed cylinder are Since the third step for the bottomed cylindrical body and the third step are performed in parallel with the first and second steps for the next bottomed cylindrical body, two bottomed cylindrical bodies are manufactured. The time required to perform this operation is T 1 + T 2 + T 3 . On the other hand, the time required to prepare only one set of equipment and members required for CIP molding to produce two bottomed cylinders is 2 (T 1 + T 2 + T 3 ).
Therefore, according to the above-described method, it is possible to increase the production efficiency of the bottomed cylinder approximately twice, and to prepare two sets of devices and members, and to simultaneously prepare two bottomed cylinders Approximately the same production efficiency as in the case of producing
【００１９】 上記の方法は、有底円筒体の製造におい
て、第一工程及び第二工程に要する時間の合計と、第三
工程に要する時間とがほぼ等しい場合に好適に用いられ
る。The above method is suitably used when the total time required for the first step and the second step is substantially equal to the time required for the third step in the production of a bottomed cylinder.
【００２０】 又、図２に示すように、ある有底円筒体
１２ａについて昇圧・減圧（第二工程）が行われている
間に、第一工程及び第二工程を経て既に成形された有底
円筒体１２ｂのマンドレル３ｂからの取り外し（第三工
程）、次いで次の有底円筒体１２ｃの成形のための粉体
充填（第一工程）を行うことによっても有底円筒体の製
造効率を高め、かつ、ＣＩＰ成形に要する設備費の低減
を図ることができる。この場合、有底円筒体１２ａにつ
いての昇圧・減圧（第二工程）は、有底円筒体１２ｂの
成形に用いた反力受け機構並びにその有底円筒体１２ｂ
の成形に用いたのとは異なるマンドレル３ａ、圧力容器
２ａ及びトップパンチ１１ａを用いて行われ、有底円筒
体１２ｃの成形のための粉体充填（第一工程）は、有底
円筒体１２ｂの成形に用いたマンドレル３ｂ、圧力容器
２ｂ及び異なるトップパンチ１１ｂを用いて行われる。Further, as shown in FIG. 2, while a certain bottomed cylindrical body 12a is being pressurized and depressurized (second step), the bottomed cylinder already formed through the first step and the second step is formed. The production efficiency of the bottomed cylinder is also increased by removing the cylinder 12b from the mandrel 3b (third step) and then performing powder filling (first step) for forming the next bottomed cylinder 12c. In addition, it is possible to reduce equipment costs required for CIP molding. In this case, the pressurization / decompression (second step) of the bottomed cylindrical body 12a is performed by the reaction force receiving mechanism used for forming the bottomed cylindrical body 12b and the bottomed cylindrical body 12b.
Is performed using a mandrel 3a, a pressure vessel 2a, and a top punch 11a different from those used in the molding of the bottomed cylindrical body 12c. The molding is performed using the mandrel 3b, the pressure vessel 2b, and the different top punch 11b used for the molding of the resin.
【００２１】 即ち、有底円筒体１２ｂの成形（第一工
程及び第二工程）に用いたマンドレル３ｂ、圧力容器２
ｂ及びトップパンチ１１ｂは、有底円筒体１２ｂについ
て第三工程が終了した後、有底円筒体１２ｃの粉体充填
（第一工程）に用いることとし、有底円筒体１２ａの第
二工程については、別のマンドレル３ａ、圧力容器２ａ
及びトップパンチ１１ａを用いて行うこととしたもので
ある。又、反力受け機構については、各有底円筒体につ
いて同一のものが使用される。That is, the mandrel 3b and the pressure vessel 2 used for forming the bottomed cylindrical body 12b (first step and second step)
b and the top punch 11b are used for powder filling of the bottomed cylindrical body 12c (first step) after the third step is finished for the bottomed cylindrical body 12b, and the second step of the bottomed cylindrical body 12a is used. Is another mandrel 3a, pressure vessel 2a
And the top punch 11a. As for the reaction force receiving mechanism, the same one is used for each bottomed cylinder.
【００２２】 上記の方法によれば、２つの有底円筒体
を並行して製造する場合に、マンドレル、圧力容器及び
トップパンチを２つずつ準備しなければならないが、同
一の反力受け機構を各有底円筒体の製造に兼用してお
り、又、計量充填装置、成形体取り外し装置及び高圧ポ
ンプ、増圧機等の昇圧・減圧装置も兼用が可能である。
従って、ＣＩＰ成形に必要な装置及び部材一式を２組準
備し、同時に２個の有底円筒体を製造する場合に比べ、
製造設備費の大幅な低減を図ることができる。According to the above method, when manufacturing two bottomed cylinders in parallel, two mandrels, two pressure vessels, and two top punches must be prepared, but the same reaction force receiving mechanism is provided. It is also used for the production of each bottomed cylinder, and can also be used as a pressure filling / depressurizing device such as a metering / filling device, a molded product removing device, a high-pressure pump, and a pressure intensifier.
Therefore, compared to the case where two sets of equipment and a set of members necessary for CIP molding are prepared and two bottomed cylinders are manufactured at the same time,
The cost of manufacturing equipment can be significantly reduced.
【００２３】 又、ある有底円筒体についての第二工程
は、その前の有底円筒体についての第三工程及び次の有
底円筒体についての第一工程と並行して行われるため、
２個の有底円筒体を製造するのに要する時間は実質的に
Ｔ1＋Ｔ2＋Ｔ3となる。従って、上記の方法によれば、
ＣＩＰ成形に必要な装置及び部材を一組のみ用意して２
個の有底円筒体を製造する場合に比べ、有底円筒体の製
造効率を約２倍に高めることが可能となり、又、装置及
び部材一式を２組準備し、同時に２個の有底円筒体を製
造する場合とほぼ同じ製造効率を達成することができ
る。Further, the second step for a certain bottomed cylinder is performed in parallel with the third step for the previous bottomed cylinder and the first step for the next bottomed cylinder,
The time required to produce two bottomed cylinders is substantially T 1 + T 2 + T 3 . Therefore, according to the above method,
Prepare only one set of equipment and members necessary for CIP molding and 2
It is possible to increase the production efficiency of the bottomed cylinder approximately twice as compared with the case of producing two bottomed cylinders. In addition, two sets of equipment and members are prepared, and two bottomed cylinders are simultaneously prepared. Almost the same production efficiency can be achieved as in the case of producing bodies.
【００２４】 上記の方法は、有底円筒体の製造におい
て、第一工程及び第三工程に要する時間の合計と、第二
工程に要する時間とがほぼ等しい場合に好適に用いられ
る。The above method is suitably used when the total time required for the first step and the third step is substantially equal to the time required for the second step in the production of a bottomed cylinder.
【００２５】 又、図３に示すように、第一工程及び第
二工程により成形された有底円筒体１２ａについての第
三工程、次の有底円筒体１２ｂの成形のための第二工
程、及びさらに次の有底円筒体１２ｃの成形のための第
一工程とを並行して行うことによっても有底円筒体の製
造効率を高め、かつ、ＣＩＰ成形に要する設備費の低減
を図ることができる。この場合、有底円筒体１２ｂにつ
いての第二工程には、有底円筒体１２ａの成形に用いた
反力受け機構、有底円筒体１２ａの成形に用いたのとは
異なるマンドレル３ｂ、圧力容器２ｂ及びトップパンチ
２ｂが用いられ、有底円筒体１２ｃの第一工程には、有
底円筒体１２ａの成形に用いた圧力容器２ａ、トップパ
ンチ１１ａ及び有底円筒体１２ａの成形に用いたのとは
異なるマンドレル３ｃが用いられる。As shown in FIG. 3, a third step for the bottomed cylindrical body 12a formed in the first step and the second step, a second step for forming the next bottomed cylindrical body 12b, Further, by performing the first step for forming the next bottomed cylindrical body 12c in parallel, the production efficiency of the bottomed cylindrical body can be increased, and the equipment cost required for CIP molding can be reduced. it can. In this case, the second step for the bottomed cylinder 12b includes a reaction force receiving mechanism used for molding the bottomed cylinder 12a, a mandrel 3b different from that used for molding the bottomed cylinder 12a, and a pressure vessel. 2b and a top punch 2b are used. In the first step of forming the bottomed cylindrical body 12c, the pressure vessel 2a used for forming the bottomed cylindrical body 12a, the top punch 11a and the bottom punched cylinder 12a are used. A different mandrel 3c is used.
【００２６】 上記の方法によれば、３つの有底円筒体
を並行して製造する場合に、マンドレルを３本、圧力容
器及びトップパンチを２つ準備しなければならないが、
同一の反力受け機構を各有底円筒体の製造に兼用してお
り、又、計量充填装置、成形体取り外し装置及び高圧ポ
ンプ、増圧機等の昇圧・減圧装置も兼用が可能である。
従って、ＣＩＰ成形に必要な装置及び部材一式を３組準
備し、同時に３個の有底円筒体を製造する場合に比べ、
製造設備費の大幅な低減を図ることができる。According to the above method, when manufacturing three bottomed cylinders in parallel, three mandrels, two pressure vessels and two top punches must be prepared.
The same reaction force receiving mechanism is used for the production of each bottomed cylinder, and a pressure-increasing / reducing device such as a weighing and filling device, a molded product removing device, a high-pressure pump, and a pressure intensifier can also be used.
Therefore, compared to the case where three sets of equipment and members required for CIP molding are prepared and three bottomed cylinders are manufactured at the same time,
The cost of manufacturing equipment can be significantly reduced.
【００２７】 又、上記の方法によれば、３個の有底円
筒体の製造が、工程を１つずつずらして並行して行われ
るため、３個の有底円筒体を製造するのに要する時間は
実質的にＴ1＋Ｔ2＋Ｔ3となる。従って、上記の方法に
よれば、ＣＩＰ成形に必要な装置及び部材を一組のみ用
意して３個の有底円筒体を製造する場合の所要時間３
（Ｔ1＋Ｔ2＋Ｔ3）に比べ、所要時間を約１／３に短縮
することが可能となり、又、装置及び部材一式を３組準
備し、同時に３個の有底円筒体を製造する場合とほぼ同
じ製造効率を達成することができる。In addition, according to the above method, the production of three bottomed cylinders is performed in parallel by shifting the steps one by one, so that it is necessary to produce three bottomed cylinders. The time is substantially T 1 + T 2 + T 3 . Therefore, according to the above-mentioned method, the time required for preparing three cylinders with three bottoms by preparing only one set of equipment and members necessary for CIP molding 3
(T 1 + T 2 + T 3 ) Compared to (T 1 + T 2 + T 3 ), the required time can be reduced to about 1/3. Also, when preparing three sets of equipment and members, and simultaneously manufacturing three bottomed cylinders Almost the same manufacturing efficiency can be achieved.
【００２８】 上記の方法は、有底円筒体の製造におい
て、第一工程、第二工程及び第三工程のそれぞれに要す
る時間がほぼ等しい場合に好適に用いられる。The above method is suitably used when the time required for each of the first step, the second step, and the third step in the production of a bottomed cylinder is substantially equal.
【００２９】[0029]
【発明の効果】 本発明においては、２個又は３個の有
底円筒体が、製造工程を適宜にずらして並行して製造さ
れる。従って、有底円筒体の製造に必要な装置及び部材
の一部を、互いに並行して製造される有底円筒体の双方
に兼用することができるため、ＣＩＰ成形に必要な装置
及び部材一式を、２組又は３組準備し、同時に２個又は
３個の有底円筒体を製造する場合と同等の製造効率を維
持しつつ、設備費の大幅な低減を図ることができる。According to the present invention, two or three bottomed cylinders are produced in parallel with the production steps appropriately shifted. Therefore, since a part of the devices and members necessary for manufacturing the bottomed cylinder can be used for both the bottomed cylinders manufactured in parallel with each other, a set of devices and members necessary for CIP molding is used. It is possible to significantly reduce equipment costs while maintaining the same production efficiency as when preparing two or three sets and simultaneously manufacturing two or three bottomed cylinders.
【図１】 本発明の有底円筒体の連続製造方法の一例を
示す模式断面図である。FIG. 1 is a schematic cross-sectional view showing one example of a continuous production method of a bottomed cylindrical body of the present invention.
【図２】 本発明の有底円筒体の連続製造方法の他の例
を示す模式断面図である。FIG. 2 is a schematic sectional view showing another example of the continuous production method of a bottomed cylindrical body of the present invention.
【図３】 本発明の有底円筒体の連続製造方法のさらに
他の例を示す模式断面図である。FIG. 3 is a schematic sectional view showing still another example of the continuous production method of a bottomed cylindrical body of the present invention.
【図４】 ＣＩＰ成形方法における粉末充填（第一工
程）の一態様を示す断面説明図である。FIG. 4 is an explanatory sectional view showing one embodiment of powder filling (first step) in the CIP molding method.
【図５】 ＣＩＰ成形方法における加圧（第二工程）の
一態様を示す断面説明図である。FIG. 5 is an explanatory cross-sectional view showing one mode of pressurization (second step) in the CIP molding method.
【図６】 ＣＩＰ成形方法における減圧（第二工程）の
一態様を示す断面説明図である。FIG. 6 is an explanatory cross-sectional view showing one embodiment of a reduced pressure (second step) in the CIP molding method.
【図７】 ＣＩＰ成形方法における圧力容器からの成形
体の取り出し（第二工程）の一態様を示す断面説明図で
ある。FIG. 7 is an explanatory cross-sectional view showing one mode of taking out a molded body from a pressure vessel (second step) in the CIP molding method.
【図８】 ＣＩＰ成形方法におけるマンドレルからの成
形体の取り外し（第三工程）の一態様を示す断面説明図
である。FIG. 8 is an explanatory cross-sectional view showing one mode of removing a molded body from a mandrel (third step) in the CIP molding method.
１・・・給粉ノズル、２・・・圧力容器、３・・・マンドレル、
４・・・成形用ゴム型、５・・・圧媒シールゴム、６・・・圧媒
出入口、７・・・シールゴムホルダー、８・・・成形空間、９
・・・ボトムパンチ、１０・・・トップゴム栓、１１・・・トッ
プパンチ、１２・・・成形体、１３・・・グリッパー、１４・・
・グリッパー支持柱、１５・・・成形体取り外し装置、１６
・・・計量充填装置。1 ... powder feeding nozzle, 2 ... pressure vessel, 3 ... mandrel,
4 ... molding rubber mold, 5 ... pressure medium sealing rubber, 6 ... pressure medium inlet / outlet, 7 ... seal rubber holder, 8 ... molding space, 9
... Bottom punch, 10 ... Top rubber stopper, 11 ... Top punch, 12 ... Molded body, 13 ... Gripper, 14 ...
.Gripper support column, 15 ... molded body removal device, 16
... Measuring and filling device.
Claims (6)
マンドレルを装着した後、当該成形用ゴム型内の成形空
間に成形用粉末を充填し、次いでトップパンチを当該圧
力容器の上部に設けた孔部内に装着する第一工程、 当該マンドレル及び当該トップパンチを反力受け機構に
より固定しつつ、当該成形用ゴム型の外周側に圧力媒体
を導入することにより静水圧加圧を行った後、当該圧力
媒体を除去することにより減圧し、次いで成形体ととも
に当該マンドレルを当該圧力容器から取り出す第二工
程、及び、 当該成形体を当該マンドレルから取り外す第三工程から
成る乾式静水圧加圧成形による有底円筒体の連続製造方
法であって、 第一工程及び第二工程により成形された有底円筒体につ
いての第三工程と並行して、 当該有底円筒体の成形に用いた圧力容器、トップパン
チ、反力受け機構及び他のマンドレルを用いて次の有底
円筒体の成形のための第一工程及び第二工程を行うこと
を特徴とする乾式静水圧加圧成形による有底円筒体の連
続製造方法。1. A mandrel is mounted on a pressure vessel having a rubber mold for molding therein, and a molding space in the rubber mold for molding is filled with molding powder, and then a top punch is provided at an upper portion of the pressure vessel. The first step of mounting in the formed hole, after performing the hydrostatic pressurization by introducing a pressure medium to the outer peripheral side of the rubber mold for molding while fixing the mandrel and the top punch by a reaction force receiving mechanism. The pressure is reduced by removing the pressure medium, then the second step of removing the mandrel from the pressure vessel together with the compact, and the third step of removing the compact from the mandrel is performed by dry isostatic pressing. A method for continuously manufacturing a bottomed cylinder, comprising: a step of forming the bottomed cylinder in parallel with a third step of the bottomed cylinder formed by the first step and the second step. Using the pressure vessel, top punch, reaction force receiving mechanism and other mandrel that have been used to perform the first and second steps for forming the next bottomed cylinder by dry isostatic pressing. Continuous production method of bottomed cylinder.
合計が、当該第三工程の所要時間と等しい請求項１に記
載の乾式静水圧加圧成形による有底円筒体の連続製造方
法。2. The continuous production method of a bottomed cylindrical body by dry isostatic pressing according to claim 1, wherein the total required time of the first and second steps is equal to the required time of the third step. .
マンドレルを装着した後、当該成形用ゴム型内の成形空
間に成形用粉末を充填し、次いでトップパンチを当該圧
力容器の上部に設けた孔部内に装着する第一工程、 当該マンドレル及び当該トップパンチを反力受け機構に
より固定しつつ、当該成形用ゴム型の外周側に圧力媒体
を導入することにより静水圧加圧を行った後、当該圧力
媒体を除去することにより減圧し、次いで成形体ととも
に当該マンドレルを当該圧力容器から取り出す第二工
程、及び、 当該成形体を当該マンドレルから取り外す第三工程から
成る乾式静水圧加圧成形による有底円筒体の連続製造方
法であって、 ある有底円筒体の成形のための第二工程と並行して、 当該有底円筒体の成形に用いる反力受け機構、他のマン
ドレル、他の圧力容器及び他のトップパンチを用いて第
一工程及び第二工程により既に成形された有底円筒体に
ついて第三工程を行い、次いで、当該他のマンドレル、
他の圧力容器及び他のトップパンチを用いて次の有底円
筒体の成形のための第一工程を行うことを特徴とする乾
式静水圧加圧成形による有底円筒体の連続製造方法。3. A mandrel is mounted on a pressure vessel having a rubber mold for molding therein, and then a molding powder is filled in a molding space in the rubber mold for molding, and then a top punch is provided on an upper portion of the pressure vessel. The first step of mounting in the formed hole, after performing the hydrostatic pressurization by introducing a pressure medium to the outer peripheral side of the rubber mold for molding while fixing the mandrel and the top punch by a reaction force receiving mechanism. The pressure is reduced by removing the pressure medium, then the second step of removing the mandrel from the pressure vessel together with the compact, and the third step of removing the compact from the mandrel is performed by dry isostatic pressing. A method for continuously manufacturing a bottomed cylindrical body, wherein a reaction force receiving mechanism used for forming the bottomed cylindrical body and another man Barrel performs the third step for the bottomed cylindrical body which has already been formed by the first and second processes using other pressure vessels and other top punch, then the other mandrel,
A continuous method for producing a bottomed cylinder by dry isostatic pressing, wherein a first step for molding the next bottomed cylinder is performed using another pressure vessel and another top punch.
合計が、当該第二工程の所要時間と等しい請求項３に記
載の乾式静水圧加圧成形による有底円筒体の連続製造方
法。4. The method for continuously producing a bottomed cylindrical body by dry isostatic pressing according to claim 3, wherein the total required time of the first and third steps is equal to the required time of the second step. .
マンドレルを装着した後、当該成形用ゴム型内の成形空
間に成形用粉末を充填し、次いでトップパンチを当該圧
力容器の上部に設けた孔部内に装着する第一工程、 当該マンドレル及び当該トップパンチを反力受け機構に
より固定しつつ、当該成形用ゴム型の外周側に圧力媒体
を導入することにより静水圧加圧を行った後、当該圧力
媒体を除去することにより減圧し、次いで成形体ととも
に当該マンドレルを当該圧力容器から取り出す第二工
程、及び、 当該成形体を当該マンドレルから取り外す第三工程から
成る乾式静水圧加圧成形による有底円筒体の連続製造方
法であって、 第一工程及び第二工程により成形された有底円筒体につ
いての第三工程、 当該有底円筒体の成形に用いた反力受け機構、他のマン
ドレル、他の圧力容器及び他のトップパンチを用いた次
の有底円筒体の成形のための第二工程、及び当該有底円
筒体の成形に用いた圧力容器、トップパンチ及びさらに
他のマンドレルを用いたさらに次の有底円筒体の成形の
ための第一工程とを並行して行うことを特徴とする乾式
静水圧加圧成形による有底円筒体の連続製造方法。5. A mandrel is mounted on a pressure vessel having a rubber mold for molding therein, and then a molding powder is filled in a molding space in the rubber mold for molding, and then a top punch is provided on an upper portion of the pressure vessel. The first step of mounting in the formed hole, after performing the hydrostatic pressurization by introducing a pressure medium to the outer peripheral side of the rubber mold for molding while fixing the mandrel and the top punch by a reaction force receiving mechanism. The pressure is reduced by removing the pressure medium, then the second step of removing the mandrel from the pressure vessel together with the compact, and the third step of removing the compact from the mandrel is performed by dry isostatic pressing. A method for continuously manufacturing a bottomed cylinder, comprising: a third step for the bottomed cylinder formed by the first step and the second step; and a reaction force used for forming the bottomed cylinder. Second step for forming the next bottomed cylinder using a pressure mechanism, another mandrel, another pressure vessel and another top punch, and the pressure vessel and top punch used for molding the bottomed cylinder And a method for continuously producing a bottomed cylindrical body by dry isostatic pressing, wherein the first step for forming a further bottomed cylindrical body using another mandrel is performed in parallel.
所要時間がそれぞれ等しい請求項５に記載の乾式静水圧
加圧成形による有底円筒体の連続製造方法。6. The method for continuously producing a bottomed cylindrical body by dry isostatic pressing according to claim 5, wherein the required times of the first step, the second step, and the third step are respectively equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8262817A JPH10100119A (en) | 1996-10-03 | 1996-10-03 | Continuous production of bottomed cylindrical body by dry hydrostatic pressure molding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8262817A JPH10100119A (en) | 1996-10-03 | 1996-10-03 | Continuous production of bottomed cylindrical body by dry hydrostatic pressure molding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH10100119A true JPH10100119A (en) | 1998-04-21 |
Family
ID=17381035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8262817A Pending JPH10100119A (en) | 1996-10-03 | 1996-10-03 | Continuous production of bottomed cylindrical body by dry hydrostatic pressure molding |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH10100119A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2929545A1 (en) * | 2008-03-03 | 2009-10-09 | Didier Remi Voinchet | Ceramic hollow piece e.g. mouthed bottle, molding method, involves extracting compressed piece containing removable mouthed core, and eliminating material constituting core by opening or mouth of piece |
| CN109094093A (en) * | 2018-08-06 | 2018-12-28 | 朱夼 | A kind of elastic mould can inside and outside dual-purpose cold isostatic press |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49376Y1 (en) * | 1968-11-11 | 1974-01-08 | ||
| JPS62284703A (en) * | 1986-06-03 | 1987-12-10 | 石川島播磨重工業株式会社 | Compression molding facility |
| JPH03126505A (en) * | 1989-10-12 | 1991-05-29 | Ngk Insulators Ltd | Hydrostatic pressure mold for ceramic pipe |
-
1996
- 1996-10-03 JP JP8262817A patent/JPH10100119A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49376Y1 (en) * | 1968-11-11 | 1974-01-08 | ||
| JPS62284703A (en) * | 1986-06-03 | 1987-12-10 | 石川島播磨重工業株式会社 | Compression molding facility |
| JPH03126505A (en) * | 1989-10-12 | 1991-05-29 | Ngk Insulators Ltd | Hydrostatic pressure mold for ceramic pipe |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2929545A1 (en) * | 2008-03-03 | 2009-10-09 | Didier Remi Voinchet | Ceramic hollow piece e.g. mouthed bottle, molding method, involves extracting compressed piece containing removable mouthed core, and eliminating material constituting core by opening or mouth of piece |
| CN109094093A (en) * | 2018-08-06 | 2018-12-28 | 朱夼 | A kind of elastic mould can inside and outside dual-purpose cold isostatic press |
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