JPH058474Y2 - - Google Patents
Info
- Publication number
- JPH058474Y2 JPH058474Y2 JP1986095136U JP9513686U JPH058474Y2 JP H058474 Y2 JPH058474 Y2 JP H058474Y2 JP 1986095136 U JP1986095136 U JP 1986095136U JP 9513686 U JP9513686 U JP 9513686U JP H058474 Y2 JPH058474 Y2 JP H058474Y2
- Authority
- JP
- Japan
- Prior art keywords
- heat insulating
- insulating layer
- pressure vessel
- main cylinder
- lid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000001513 hot isostatic pressing Methods 0.000 claims description 3
- 238000009413 insulation Methods 0.000 description 17
- 230000000694 effects Effects 0.000 description 6
- 238000012856 packing Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000009489 vacuum treatment Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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
- B30B11/002—Isostatic press chambers; Press stands therefor
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Powder Metallurgy (AREA)
Description
【考案の詳細な説明】 （産業上の利用分野） 本考案は、熱間静水圧加圧装置に関する。[Detailed explanation of the idea] (Industrial application field) The present invention relates to a hot isostatic pressing device.
（従来の技術）
この種、熱間静水圧加圧装置として、例えば、
実開昭58−192006号公報、実開昭59−193998号公
報に記載のものが公知である。(Prior art) As this kind of hot isostatic pressurizing device, for example,
Those described in Japanese Utility Model Application Publication No. 58-192006 and Japanese Utility Model Application Publication No. 59-193998 are known.
この従来のものは、上下両端部が開口された筒
状の圧力容器と、該圧力容器の上下開口端部を開
閉自在に閉じる上蓋及び下蓋と、前記圧力容器内
部に配置され且つ前記下蓋上に載置される倒立コ
ツプ状の断熱層とを具備し、該断熱層の内部空間
が被成形体の処理空間とされてたものであつた。 This conventional pressure vessel includes a cylindrical pressure vessel that is open at both upper and lower ends, an upper lid and a lower lid that open and close the upper and lower open ends of the pressure vessel, and a lower lid that is disposed inside the pressure vessel and that is arranged inside the pressure vessel. It was equipped with an inverted cup-shaped heat insulating layer placed on top, and the internal space of the heat insulating layer was used as a processing space for the molded object.
（考案が解決しようとする課題）
前記従来のものにおいて、被成形体を圧力容器
の上方開口から内部に収納する場合、断熱層が倒
立コツプ状であるため（上端部が閉塞されている
ため）、該断熱層を一旦圧力容器外方に取り出す
必要があり、作業性が悪かつた。(Problem to be solved by the invention) In the above-mentioned conventional method, when the object to be molded is stored inside the pressure vessel from the upper opening, the heat insulating layer has an inverted cup shape (because the upper end is closed). However, it was necessary to take out the heat insulating layer outside the pressure vessel, resulting in poor workability.
また、断熱層は加圧媒体のガスを透過可能とし
ているが、急速なガスの通過を可能とするもので
はないので、内部ガスを置換したり、真空引処理
を行う場合の為に、通常は、断熱層に通気孔が開
設されていた。 In addition, although the heat insulating layer allows gas from the pressurized medium to pass through it, it does not allow rapid gas passage, so it is usually used to replace the internal gas or perform vacuum treatment. , ventilation holes were opened in the insulation layer.
従つて、この通気孔から処理空間内の高温ガス
が流出し、断熱効果を低下させていた。 Therefore, high-temperature gas within the processing space flows out from this vent, reducing the heat insulation effect.
そこで、本考案は、被成形体の収納を容易と
し、且つ、断熱効果を低下させることのない断熱
層を備えた熱間静水圧加圧装置を提供することを
目的とする。 SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a hot isostatic pressing device that facilitates the storage of molded objects and is equipped with a heat insulating layer that does not reduce the heat insulating effect.
（課題を解決するための手段）
前記目的を達成するために、本考案は次の手段
を講じた。(Means for Solving the Problems) In order to achieve the above object, the present invention takes the following measures.
即ち、本考案の特徴とするところは、圧力媒体
が供給される筒状の圧力容器内に、被成形体を加
熱する加熱装置を囲む断熱層が配設され、且つ、
前記圧力容器の上端部が上蓋により開閉自在とさ
れている熱間静水圧加圧装置において、
前記断熱層は、前記圧力容器と同心的に配置さ
れた上端開口の筒状の断熱層主筒と、該断熱層主
筒の上端開口部を開閉自在に閉じる上部断熱板と
から構成されている点にある。 That is, the present invention is characterized in that a heat insulating layer surrounding a heating device for heating a molded object is provided in a cylindrical pressure vessel to which a pressure medium is supplied, and
In the hot isostatic pressurizing device in which the upper end of the pressure vessel can be opened and closed by a top lid, the heat insulating layer has a cylindrical heat insulating layer main cylinder with an open top and arranged concentrically with the pressure vessel. and an upper heat insulating plate that can open and close the upper end opening of the main heat insulating layer cylinder.
本考案の好ましい実施態様としては、前記上部
断熱板は、前記上蓋の下面側に取り付けられてい
る。 In a preferred embodiment of the present invention, the upper heat insulating plate is attached to the lower surface side of the upper cover.
（作用）
前記構成の本考案によれば、被成形体を圧力容
器の上方開口部からその内部に収納する場合、上
蓋並びに上部断熱板を取り除き、断熱層主筒の上
端部を開口し、被成形体を断熱層主筒内部の処理
空間内に収納する。(Function) According to the present invention having the above-mentioned configuration, when storing the molded object into the pressure vessel from the upper opening, the upper cover and the upper heat insulating plate are removed, the upper end of the main cylinder of the heat insulating layer is opened, and the molded body is placed inside the pressure vessel through the upper opening. The molded body is stored in the processing space inside the heat insulating layer main cylinder.
被成形体を処理空間に収納後、上部断熱板で断
熱層主筒の上部開口を閉じ、且つ、上蓋で圧力容
器の上部開口を閉じる。このとき、上部断熱板と
断熱層主筒間に間隙を設けることにより、処理空
間内のガスを多量に流通可能とし、圧力容器内部
のガスの真空引処理並びにガス置換を行うことが
できる。 After storing the object to be formed in the processing space, the upper opening of the main cylinder of the insulation layer is closed with the upper insulation plate, and the upper opening of the pressure vessel is closed with the upper lid. At this time, by providing a gap between the upper heat insulating plate and the main cylinder of the heat insulating layer, a large amount of gas in the processing space can flow, and the gas inside the pressure vessel can be vacuumed and replaced.
ガス置換完了後、上部断熱板と断熱層主筒間の
間隙を完全に閉じ、断熱層主筒上部開口を上部断
熱板で密閉する。その後、圧力容器内に加圧ガス
を注入し、且つ、処理空間内部を加熱することに
より処理空間内の被成形体を熱間静水圧加圧処理
する。 After the gas replacement is completed, the gap between the upper heat insulation plate and the heat insulation layer main cylinder is completely closed, and the upper opening of the heat insulation layer main cylinder is sealed with the upper heat insulation plate. Thereafter, pressurized gas is injected into the pressure vessel and the inside of the processing space is heated to subject the molded object in the processing space to hot isostatic pressure processing.
この熱間静水圧加圧処理に際し、処理空間は上
部断熱板と断熱層主筒とにより密閉されているの
で、内部ガスの漏洩が防止され、断熱効果が向上
する。 During this hot isostatic pressurization process, the processing space is sealed by the upper heat insulating plate and the main heat insulating layer cylinder, so leakage of internal gas is prevented and the heat insulation effect is improved.
上部断熱板を上蓋下面に固定的に設けた場合、
上蓋を圧力容器に対して密閉状とするが完全に嵌
着しない状態、即ち、少し浮かして施蓋すること
により、上部断熱板と断熱層主筒の上端部との間
にガス通路を形成することが出来る。そして、上
蓋を完全に嵌合させることにより、上部断熱板と
断熱層主筒とを密着させることが出来る。 When the upper insulation board is fixedly installed on the bottom surface of the upper lid,
By sealing the top cover against the pressure vessel but not completely fitting it, i.e. by leaving it slightly floating, a gas passage is formed between the top insulation plate and the top end of the main cylinder of the insulation layer. I can do it. By completely fitting the upper lid, the upper heat insulating plate and the heat insulating layer main cylinder can be brought into close contact with each other.
また、上蓋下面に開閉操作装置を介して上部断
熱板を設けることにより、上蓋を圧力容器に完全
に嵌合した状態で、上部断熱板を開閉操作するこ
とが出来る。 Further, by providing the upper heat insulating plate on the lower surface of the upper cover via the opening/closing operation device, the upper heat insulating plate can be opened and closed in a state where the upper cover is completely fitted into the pressure vessel.
（実施例）
以下、本考案の実施例を図面に基づき説明す
る。(Example) Hereinafter, an example of the present invention will be described based on the drawings.
第１図および第２図に示した実施例において、
上下両端が開口された筒状の圧力容器１２の上端
開口に、上蓋１１が圧力媒体通路（ガス通路）１
９を具備して、かつシール用パツキン２１を介し
て嵌脱可能に密嵌される。また圧力容器１２の下
端開口にはシール用パツキン２１′を具備した、
底部構成部材である下蓋１８が同じく嵌脱可能に
密嵌される。下蓋１８上には被成形体１６の載置
台１７が設けられる。圧力容器１２内には上下両
端が開口された断熱層主筒１４が、容器１２の内
面との間に空間２２を存して同心かつ被成形体１
６の高さよりも大きな高さのもとに、下蓋１８側
に支持されて設けられる。断熱層主筒１４の開口
上端にパツキン２４が設置される。同断熱層主筒
１４の内側において被成形体１６を囲んで、既知
のように通電加熱ヒータあるいは同ヒータと同心
の対流促進用筒体（図示省略）等による加熱装置
１５が設けられる。 In the embodiment shown in FIGS. 1 and 2,
A top lid 11 connects a pressure medium passage (gas passage) 1 to the upper end opening of a cylindrical pressure vessel 12 that is open at both upper and lower ends.
9, and is removably tightly fitted through a sealing gasket 21. Further, the lower end opening of the pressure vessel 12 is equipped with a sealing gasket 21'.
A lower lid 18, which is a bottom component, is also tightly fitted in a removable manner. A mounting table 17 for the object to be molded 16 is provided on the lower lid 18 . Inside the pressure vessel 12, there is a heat insulating layer main cylinder 14 which is open at both upper and lower ends, with a space 22 between it and the inner surface of the vessel 12, and which is concentric with the molded object 1.
6, and is supported on the lower lid 18 side. A packing 24 is installed at the upper end of the opening of the main cylinder 14 of the heat insulating layer. As is known, a heating device 15 such as an energizing heater or a convection promoting cylinder (not shown) concentric with the heater is provided inside the heat insulating layer main cylinder 14 and surrounding the molded object 16.
実施例では前記上蓋１１の下面に圧力媒体通路
１９を閉さないように上部断熱板１３が固定状に
取付けられる。上部断熱板１３には前記断熱層主
筒１４のパツキン２４に接支されるフランジ１３
ａが中途に形成され、上部断熱板１３の下部は断
熱層主筒１４の上端内に遊挿される。 In the embodiment, an upper heat insulating plate 13 is fixedly attached to the lower surface of the upper lid 11 so as not to close the pressure medium passage 19. The upper heat insulating plate 13 has a flange 13 connected to and supported by the packing 24 of the main heat insulating layer cylinder 14.
a is formed in the middle, and the lower part of the upper heat insulation plate 13 is loosely inserted into the upper end of the heat insulation layer main cylinder 14.
第１図に示すように上蓋１１を圧力容器１２の
上端開口に完全に閉合させた時、前記フランジ１
３ａがパツキン２４に密着接支する関係に設定さ
れる。従つて第２図に示すように、上蓋１１を上
昇させ、これと同行する上部断熱板１３のフラン
ジ１３ａをパツキン２４より上昇避退させること
によつて、かつこの状態において上蓋１１と圧力
容器１２の開口上端との間に位置保持用のスペー
サ２５，２５′を係合させることにより、フラン
ジ１３ａとパツキン２４との間に処理空間２３と
ガス通路１９とを連通するガス通路１９′が形成
される。ガス通路１９に制御バルブ２０を有する
配管３０を接結し、かつこれを真空ポンプ２６に
連結することにより、真空引処理を行なえること
が出来るし、あるいはガス置換処理が行なえるこ
とになる。スペーサ２５，２５′は複数個でかつ
係脱自在のものであれば自由に設計可能である。 As shown in FIG. 1, when the upper lid 11 is completely closed to the upper end opening of the pressure vessel 12, the flange 1
3a is set in a relationship in which it closely supports the gasket 24. Therefore, as shown in FIG. 2, by raising the upper cover 11 and moving the flange 13a of the upper heat insulating plate 13 upward and away from the gasket 24, and in this state, the upper cover 11 and the pressure vessel 12 are removed. By engaging the position holding spacers 25, 25' between the upper end of the opening, a gas passage 19' that communicates the processing space 23 and the gas passage 19 is formed between the flange 13a and the gasket 24. Ru. By connecting a pipe 30 having a control valve 20 to the gas passage 19 and connecting it to the vacuum pump 26, evacuation processing or gas replacement processing can be performed. The spacers 25, 25' can be freely designed as long as they are plural and detachable.
分割形成した上部断熱板１３を断熱層主筒１４
に対して、圧力容器１２内において軸方向移動可
能としてガス通路１９′を開閉する構造としては、
第１，２図実施例の他に、例えば第３，４図に示
す実施例のように、上部断熱板１３を上蓋１１側
に軸方向昇降可能に設けることによつても同効で
ある。 The upper heat insulating plate 13 formed in separate parts is attached to the heat insulating layer main cylinder 14.
On the other hand, a structure that opens and closes the gas passage 19' by being movable in the axial direction within the pressure vessel 12 is as follows.
In addition to the embodiment shown in FIGS. 1 and 2, the same effect can be obtained by providing the upper heat insulating plate 13 on the upper cover 11 side so as to be movable up and down in the axial direction, as in the embodiment shown in FIGS. 3 and 4, for example.
即ち第３，４図において、上蓋１１に駆動シリ
ンダ３１を設け、該シリンダ３１に圧媒給排孔２
９およびバネ２８を介して昇降可能に設けたピス
トンロツド２７を、上蓋１１と別体に形成した上
部断熱板１３に連結することによつて、上蓋１１
を閉鎖した状態において上部断熱板１３を断熱層
主筒１４に対して昇降可能とし、圧媒給排孔２９
よりのエヤその他の圧媒給排を介し、第３図のパ
ツキン２４に対する上部断熱板１３の閉止、また
第４図に示す上部断熱板１３の開放によるガス通
路１９′の形成が同様に得られる。その他の構造
については第１，２図実施例と全く同様である。
第３，４図実施例における上部断熱板１３の軸方
向移動機構そのものは図示のシリンダ以外の駆動
機構を用いることが可能である。 That is, in FIGS. 3 and 4, the upper lid 11 is provided with a drive cylinder 31, and the cylinder 31 is provided with a pressure medium supply/discharge hole 2.
By connecting the piston rod 27, which is movable up and down through the piston rod 9 and the spring 28, to the upper heat insulating plate 13 formed separately from the upper lid 11, the upper lid 11
In the closed state, the upper heat insulating plate 13 can be moved up and down with respect to the heat insulating layer main cylinder 14, and the pressure medium supply/discharge hole 29
Through the supply and discharge of air or other pressurized medium, the closing of the upper heat insulating plate 13 to the packing 24 as shown in FIG. 3, and the formation of the gas passage 19' by opening the upper heat insulating plate 13 as shown in FIG. 4 can be similarly achieved. . The other structures are exactly the same as the embodiments in FIGS. 1 and 2.
The mechanism for moving the upper heat insulating plate 13 in the axial direction in the embodiments shown in FIGS. 3 and 4 can use a drive mechanism other than the illustrated cylinder.
（考案の効果）
本考案によれば、被成形体の収納取り出し作業
が容易になり、且つ、断熱効果が向上する。(Effects of the invention) According to the invention, it becomes easier to store and take out the molded object, and the heat insulation effect is improved.
第１図は本考案装置実施例のガス通路閉止状態
の縦断正面図、第２図は同開放状態の縦断正面
図、第３図は本考案装置変形実施例のガス通路閉
止状態の縦断正面図、第４図は同開放状態の同正
面図である。
１１……上蓋、１２……圧力容器、１３……上
部断熱板、１４……断熱層主筒、１５……加熱装
置、１６……被成形体。
Fig. 1 is a longitudinal sectional front view of the embodiment of the device of the present invention in the gas passage closed state, Fig. 2 is a longitudinal sectional front view of the same in the open state, and Fig. 3 is a longitudinal sectional front view of the modified embodiment of the invention device in the gas passage closed state. , FIG. 4 is a front view of the same in the open state. DESCRIPTION OF SYMBOLS 11... Upper lid, 12... Pressure vessel, 13... Upper heat insulation board, 14... Heat insulation layer main cylinder, 15... Heating device, 16... To-be-molded object.
Claims (1)
に、被成形体１６を加熱する加熱装置１５を囲
む断熱層が配設され、且つ、前記圧力容器１２
の上端部が上蓋１１により開閉自在とされてい
る熱間静水圧加圧装置において、 前記断熱層は、前記圧力容器１２と同心的に
配置された上端開口の筒状の断熱層主筒１４
と、該断熱層主筒１４の上端開口部を開閉自在
に閉じる上部断熱板１３とから構成されている
ことを特徴とする熱間静水圧加圧装置。 ２ 前記上部断熱板１３は、前記上蓋１１の下面
側に取り付けられていることを特徴とする実用
新案登録請求の範囲第１項に記載の熱間静水圧
加圧装置。[Claims for Utility Model Registration] 1. A heat insulating layer surrounding a heating device 15 for heating a molded object 16 is disposed in a cylindrical pressure vessel 12 to which a pressure medium is supplied, and the pressure vessel 12
In a hot isostatic pressurizing device whose upper end can be opened and closed by a top lid 11, the heat insulating layer is formed of a cylindrical heat insulating layer main cylinder 14 with an open top end disposed concentrically with the pressure vessel 12.
and an upper heat insulating plate 13 which can open and close the upper end opening of the heat insulating layer main cylinder 14. 2. The hot isostatic pressing apparatus according to claim 1, wherein the upper heat insulating plate 13 is attached to the lower surface side of the upper lid 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986095136U JPH058474Y2 (en) | 1986-06-21 | 1986-06-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986095136U JPH058474Y2 (en) | 1986-06-21 | 1986-06-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS632098U JPS632098U (en) | 1988-01-08 |
| JPH058474Y2 true JPH058474Y2 (en) | 1993-03-03 |
Family
ID=30959337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986095136U Expired - Lifetime JPH058474Y2 (en) | 1986-06-21 | 1986-06-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH058474Y2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56100285A (en) * | 1980-01-16 | 1981-08-12 | Sumitomo Electric Industries | Heat insulating structure of heating chamber in highhtemperature high static pressure device |
| JPS571747A (en) * | 1980-06-04 | 1982-01-06 | Daiichi Seiyaku Co | Attachment for stitcher |
| JPS57101601A (en) * | 1980-12-13 | 1982-06-24 | Kobe Steel Ltd | Hot hydrostatic press apparatus |
-
1986
- 1986-06-21 JP JP1986095136U patent/JPH058474Y2/ja not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56100285A (en) * | 1980-01-16 | 1981-08-12 | Sumitomo Electric Industries | Heat insulating structure of heating chamber in highhtemperature high static pressure device |
| JPS571747A (en) * | 1980-06-04 | 1982-01-06 | Daiichi Seiyaku Co | Attachment for stitcher |
| JPS57101601A (en) * | 1980-12-13 | 1982-06-24 | Kobe Steel Ltd | Hot hydrostatic press apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS632098U (en) | 1988-01-08 |
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