JPS6213298A - Magnetic field cip device - Google Patents
Magnetic field cip deviceInfo
- Publication number
- JPS6213298A JPS6213298A JP15324685A JP15324685A JPS6213298A JP S6213298 A JPS6213298 A JP S6213298A JP 15324685 A JP15324685 A JP 15324685A JP 15324685 A JP15324685 A JP 15324685A JP S6213298 A JPS6213298 A JP S6213298A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic field
- pressure vessel
- pressure
- punch
- magnetic
- 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
-
- 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
- B30B11/008—Applying a magnetic field to the material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Powder Metallurgy (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Abstract
Description
【発明の詳細な説明】
〈産業上の利用分野〉
本発明は、圧力容器内の磁性粉体を磁場中で加圧成形す
る磁場ＣＩＰ装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to a magnetic field CIP device for press-molding magnetic powder in a pressure vessel in a magnetic field.
〈従来の技術〉
粉末工業材料を圧力容器内に入れて冷間静水圧で加圧成
形する技術、所謂ＣＩＰが広く活用されている。<Conventional Technology> A technology in which a powdered industrial material is placed in a pressure vessel and press-molded using cold isostatic pressure, the so-called CIP, is widely used.
また磁性粉体を取扱う分野においては、単なる冷間静水
圧での加圧成形に加え、圧力容器内に磁場を発生させて
おき、磁場中で磁性粉体を磁化した状態で加圧成形する
磁場ＣＩＰが考えられている。Furthermore, in the field of handling magnetic powder, in addition to simple pressure forming using cold isostatic pressure, a magnetic field is generated in a pressure vessel, and magnetic powder is press-molded in a magnetized state. CIP is being considered.
〈発明が解決しようとする問題点〉
この場合、磁場を発生させるための電磁コイルの装着位
置が問題となる。即ち、圧力容器内に効率的に磁場を発
生させるためには、圧力容器の近傍に電磁コイルを設け
る方が望ましいが、圧力容器の外周に電磁コイルを外嵌
状に設けるならば、コイル径が大になり、また巻数を増
やそうとすれば、全体が大型化する欠点がある。<Problems to be Solved by the Invention> In this case, the mounting position of the electromagnetic coil for generating the magnetic field becomes a problem. In other words, in order to efficiently generate a magnetic field inside the pressure vessel, it is preferable to install an electromagnetic coil near the pressure vessel, but if the electromagnetic coil is fitted around the outer circumference of the pressure vessel, the coil diameter If you try to increase the size and number of turns, there is a drawback that the entire size will increase.
本発明は、このような点に鑑み、小型でかつ圧力容器内
に効率的に磁場を発生させ得る磁場ＣＩＰ装置を提供す
るものである。In view of these points, the present invention provides a magnetic field CIP device that is compact and capable of efficiently generating a magnetic field within a pressure vessel.
く問題点を解決するための手段〉
本発明は、上記問題点を解決するための手段として、電
磁コイル１１．１２により圧力容器２内に磁場を発生さ
せ、磁場中で圧力容器２内の磁性粉体を加圧成形するよ
うにした磁場ＣＩＰ装置において、圧力容器２の上下両
端を閉塞する上下蓋５．６に電磁コイル１１．１２を設
けたものである。Means for Solving the Problems> The present invention, as a means for solving the above problems, generates a magnetic field inside the pressure vessel 2 using electromagnetic coils 11 and 12, and generates a magnetic field inside the pressure vessel 2 in the magnetic field. In a magnetic field CIP device for pressure molding powder, electromagnetic coils 11.12 are provided on upper and lower lids 5.6 that close both upper and lower ends of a pressure vessel 2.
く作 用〉
電磁コイル１１．１２に通電すると、上下蓋５，６、上
下ポンチ１３．１４が鉄心となって圧力容器２内に磁場
が発生し、磁性粉体を磁化する。従って、磁性粉体が磁
気的に揃えられるので、然る後に圧力容器２内を加圧し
て、磁性粉体を加圧成形する。Function> When the electromagnetic coils 11, 12 are energized, the upper and lower lids 5, 6 and the upper and lower punches 13, 14 act as iron cores to generate a magnetic field within the pressure vessel 2, magnetizing the magnetic powder. Therefore, since the magnetic powder is magnetically aligned, the inside of the pressure vessel 2 is then pressurized and the magnetic powder is pressure-molded.
〈実施例〉
以下、図示の実施例について本発明を詳述すると、第１
図及び第２図において、ｌはプレスフレームで、上下方
向に長い矩形枠状に構成されている。２は円筒状の圧力
容器であり、この圧力容器２の内部には、加圧成形すべ
き磁性粉体を充填した成形ゴム型３、及びこれを包む加
圧ゴム型４等が収められている。圧力容器２の上下には
、その上下両端を閉塞する上蓋５と下蓋６とがフランジ
７．８、ポルＩ−９，１０等によって装着されている。<Example> Hereinafter, the present invention will be described in detail with regard to the illustrated example.
In the drawings and FIG. 2, reference numeral 1 denotes a press frame, which is configured in the shape of a rectangular frame that is long in the vertical direction. 2 is a cylindrical pressure vessel, and inside this pressure vessel 2, a molding rubber mold 3 filled with magnetic powder to be press-molded, a pressurized rubber mold 4 surrounding it, etc. are housed. . An upper lid 5 and a lower lid 6, which close both upper and lower ends of the pressure vessel 2, are mounted on the upper and lower sides of the pressure vessel 2 by means of flanges 7.8, poles I-9, 10, and the like.
上下蓋５．６は上下方向に長く構成され、その外周の圧
力容器２近傍側には、圧力容器２内に磁場を発生させる
ための電磁コイル比１２が同心状に設けられている。上
下蓋５．６は軸心部に上下方向の孔が形成された筒状で
あって、その孔には加圧用の上ポンチ１３及び下ポンチ
１４が夫々挿入されている。The upper and lower lids 5.6 are elongated in the vertical direction, and an electromagnetic coil ratio 12 for generating a magnetic field within the pressure vessel 2 is concentrically provided on the outer periphery of the lid 5.6 near the pressure vessel 2. The upper and lower lids 5.6 have a cylindrical shape with a vertical hole formed in the axial center, and an upper punch 13 and a lower punch 14 for applying pressure are inserted into the holes, respectively.
上ポンチ１３はフランジ７上の上ポンチ押え体１５及び
バックアップシリンダ１６により支持されている。The upper punch 13 is supported by an upper punch presser body 15 on the flange 7 and a backup cylinder 16.
シリンダ１６は成形力により発生する軸力を支え、除荷
時にプレスフレーム１との間に隙間を確保するようにな
っている。下ポンチ１４は下蓋６に対して下方から挿抜
自在に挿入されており、この下ポンチ１４は下ポンチ押
え体１７等を介して昇降ブラケット１８上に支持されて
いる。昇降ブラケット１８は昇降シリンダ１９によって
昇降自在に支持され、また昇降シリンダ１９は固定側で
ある圧力容器２側に取付ブラケット２０を介して取付け
られている。なお、プレスフレーム１、上下蓋５．６、
上下ボンキ１３、１４、上下ポンチ押え体１５．１７、
バックアップシリンダ１６等は、何れも透磁率の高い強
磁性材料によって構成されている。圧力容器２も強磁性
材料で構成しても良い。The cylinder 16 supports the axial force generated by the forming force, and ensures a gap between the cylinder 16 and the press frame 1 during unloading. The lower punch 14 is inserted into and removed from the lower lid 6 from below, and is supported on a lifting bracket 18 via a lower punch holding body 17 and the like. The elevating bracket 18 is supported by an elevating cylinder 19 so as to be movable up and down, and the elevating cylinder 19 is attached to the fixed side of the pressure vessel 2 via a mounting bracket 20. In addition, press frame 1, upper and lower lids 5.6,
Upper and lower punch pressers 13, 14, upper and lower punch presser bodies 15, 17,
The backup cylinder 16 and the like are all made of a ferromagnetic material with high magnetic permeability. The pressure vessel 2 may also be made of ferromagnetic material.
上記構成において、圧力容器２内に磁性粉体を挿入する
際には、次のようにして行なう。即ち、先ず最初にプレ
スフレーム１を第２図の紙面表裏方向に移動させた後、
昇降シリンダ１９を伸長動作させ、昇降ブラケット１８
を介して下ポンチ１７を第３図の如（下降させる。次に
成形ゴム型３内に充填された磁性粉体を下ポンチ１７上
に載置し、昇降シリンダ１９を収縮させて下ポンチ１４
を下ポンチ押え体１７に嵌合させた後、プレスフレーム
１を戻し、このプレスフレーム１内に圧力容器２等を収
めれば良い。加圧成形後の製品を取出す際には、この逆
の順序で行なえば良い。このように、昇降シリンダ１９
によって下ポンチ１７を嵌脱自在とすることにより、磁
性粉体の挿入、製品の取出しを容易に行なうことができ
る。In the above configuration, the magnetic powder is inserted into the pressure vessel 2 as follows. That is, after first moving the press frame 1 in the direction of the front and back of the paper in FIG.
The elevating cylinder 19 is extended and the elevating bracket 18
The lower punch 17 is lowered as shown in FIG.
After the press frame 1 is fitted into the lower punch presser body 17, the press frame 1 is returned, and the pressure vessel 2 and the like are housed within the press frame 1. When taking out the product after pressure molding, the process may be performed in the reverse order. In this way, the lifting cylinder 19
By making the lower punch 17 removable, it is possible to easily insert the magnetic powder and take out the product.
磁性粉体を加圧成形する際には、電磁コイル１１゜１２
に通電し、圧力容器２内に磁場を発生させておき、次に
圧力容器２内を高圧に加圧して磁性粉体を磁場中で加圧
成形を行なう。電磁コイル１１．１２に通電すると、上
下蓋５，６、上下ポンチ１３．１４が鉄心となって内磁
路を構成し、プレスフレームｌが外磁路を構成するので
、これらによって閉ループの磁路が形成され、また対向
する上下ポンチ１３゜１４間では磁束が集中するため、
圧力容器２内の磁性粉体を強力に磁化できる。しかも上
下蓋５．６の外周に電磁コイル１１．１２を設けること
により、各電磁コイル１１．１２を小型化でき、かつ磁
束密度を大にできる。When press-molding magnetic powder, use electromagnetic coils 11° and 12°.
is energized to generate a magnetic field in the pressure vessel 2, and then the pressure vessel 2 is pressurized to a high pressure to press-form the magnetic powder in the magnetic field. When the electromagnetic coil 11.12 is energized, the upper and lower lids 5, 6 and the upper and lower punches 13.14 become iron cores and form an inner magnetic path, and the press frame l forms an outer magnetic path, so they create a closed loop magnetic path. is formed, and the magnetic flux is concentrated between the opposing upper and lower punches 13 and 14.
The magnetic powder inside the pressure vessel 2 can be strongly magnetized. Furthermore, by providing the electromagnetic coils 11.12 on the outer periphery of the upper and lower lids 5.6, each electromagnetic coil 11.12 can be made smaller and the magnetic flux density can be increased.
なお、プレスフレーム１との隙間δ１、δ２はバックア
ップシリンダ１６によって補償する。Note that the gaps δ1 and δ2 with respect to the press frame 1 are compensated for by the backup cylinder 16.
第４図は別の実施例を示し、圧力容器２内にパルスコイ
ル２１を同心状に設けたものである。FIG. 4 shows another embodiment, in which a pulse coil 21 is provided concentrically within the pressure vessel 2.
この場合には、パルスコイル２１にパルス電流を流し、
圧力容器２内に衝撃的な磁場変化を与えて磁性粉体の方
向性を揃え、電磁コイル１１．１２で発生する磁場で磁
性粉体をその状態に保持することができ、従って、電磁
コイルＩＬ １２によって発生する磁場を弱くすること
もできる。In this case, a pulse current is passed through the pulse coil 21,
It is possible to align the direction of the magnetic powder by applying a shocking change in the magnetic field inside the pressure vessel 2, and to hold the magnetic powder in that state with the magnetic field generated by the electromagnetic coils 11 and 12. It is also possible to weaken the magnetic field generated by 12.
なおプレスフレーム１は、実施例では矩形枠状としたが
、これに限定されるものではなく、例えばコ字状等であ
っても良い。また上下ポンチ１３゜１４を持たないもの
においても同様に実施できる。Although the press frame 1 has a rectangular frame shape in the embodiment, it is not limited to this, and may have a U-shape, for example. Further, it can be carried out in the same manner even in the case where the upper and lower punches 13 and 14 are not provided.
パルスコイル２１は圧力容器２側に取付けておく方が望
ましい。It is preferable to attach the pulse coil 21 to the pressure vessel 2 side.
〈発明の効果〉
本発明によれば、圧力容器２上下の上下蓋５．６に電磁
コイル１１．１２を設けているから、圧力容器２の外周
に設けるものに比較して、電磁コイル１１゜１２を小型
にできる。また電磁コイル１１．１２は圧力容器２内部
の磁性粉体に接近した位置にあり、しかも上下蓋５．６
が鉄心として作用するため、圧力容器２の内部に効果的
に磁場を発生させることができる。<Effects of the Invention> According to the present invention, since the electromagnetic coils 11.12 are provided on the upper and lower lids 5.6 of the pressure vessel 2, the electromagnetic coils 11.12 are provided on the outer periphery of the pressure vessel 2. 12 can be made smaller. Further, the electromagnetic coils 11.12 are located close to the magnetic powder inside the pressure vessel 2, and the upper and lower lids 5.6
acts as an iron core, it is possible to effectively generate a magnetic field inside the pressure vessel 2.
第１図は本発明の一実施例を示す要部の断面図、第２図
は同正面図、第３図は同作用説明図、第４図は本発明の
別の実施例を示す断面図である。
■・・・プレスフレーム、２・・・圧力容器、５・・・
上蓋、６・・・下蓋、ＩＬ １２・・・電磁コイル、１
３・・・上ポンチ、１４・・・下ポンチ。
特 許 出 願 人 株式会社神戸！！！鋼所第１図
第２図Fig. 1 is a cross-sectional view of essential parts showing one embodiment of the present invention, Fig. 2 is a front view of the same, Fig. 3 is an explanatory view of the same operation, and Fig. 4 is a cross-sectional view showing another embodiment of the present invention. It is. ■...Press frame, 2...Pressure vessel, 5...
Upper cover, 6... Lower cover, IL 12... Electromagnetic coil, 1
3... Upper punch, 14... Lower punch. Patent applicant Kobe Co., Ltd.! ! ! Steelworks Figure 1 Figure 2
Claims (1)
発生させ、磁場中で圧力容器２内の磁性粉体を加圧成形
するようにした磁場ＣＩＰ装置において、圧力容器２の
上下両端を閉塞する上下蓋５、６に電磁コイル１１、１
２を設けたことを特徴とする磁場ＣＩＰ装置。 ２、特許請求の範囲第１項記載の磁場ＣＩＰ装置におい
て、上蓋５を貫通して上パンチ１３を設け、下蓋６を貫
通して下パンチ１４を設け、上パンチ１３上端に、パン
チ径に加わる軸力より大きな力量のシリンダ１６を設け
、下パンチ１４を昇降ブラケット１８に取付け、成形体
をしたパンチ１４の上にのせて下方に取出し、容器下部
にて成形体を出し入れするようにしたことを特徴とする
磁場ＣＩＰ装置。[Claims] 1. In a magnetic field CIP device in which a magnetic field is generated in a pressure vessel 2 by electromagnetic coils 11 and 12, and magnetic powder in the pressure vessel 2 is pressure-molded in the magnetic field, the pressure vessel Electromagnetic coils 11 and 1 are installed in the upper and lower lids 5 and 6 that close the upper and lower ends of 2.
1. A magnetic field CIP device characterized by comprising: 2. 2. In the magnetic field CIP device according to claim 1, an upper punch 13 is provided by penetrating the upper cover 5, a lower punch 14 is provided by penetrating the lower cover 6, and at the upper end of the upper punch 13, a A cylinder 16 with a force larger than the applied axial force is provided, a lower punch 14 is attached to a lifting bracket 18, the punch 14 is placed on the punch 14 having a molded body and taken out downward, and the molded body is put in and taken out at the bottom of the container. A magnetic field CIP device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15324685A JPS6213298A (en) | 1985-07-10 | 1985-07-10 | Magnetic field cip device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15324685A JPS6213298A (en) | 1985-07-10 | 1985-07-10 | Magnetic field cip device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6213298A true JPS6213298A (en) | 1987-01-22 |
Family
ID=15558253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15324685A Pending JPS6213298A (en) | 1985-07-10 | 1985-07-10 | Magnetic field cip device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6213298A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5250255A (en) * | 1990-11-30 | 1993-10-05 | Intermetallics Co., Ltd. | Method for producing permanent magnet and sintered compact and production apparatus for making green compacts |
| US5505990A (en) * | 1992-08-10 | 1996-04-09 | Intermetallics Co., Ltd. | Method for forming a coating using powders of different fusion points |
-
1985
- 1985-07-10 JP JP15324685A patent/JPS6213298A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5250255A (en) * | 1990-11-30 | 1993-10-05 | Intermetallics Co., Ltd. | Method for producing permanent magnet and sintered compact and production apparatus for making green compacts |
| US5505990A (en) * | 1992-08-10 | 1996-04-09 | Intermetallics Co., Ltd. | Method for forming a coating using powders of different fusion points |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5079534A (en) | Electromagnet with press die and adjustable air gap | |
| EP0599222B1 (en) | Method and apparatus for producing a powder compact | |
| JPS6213298A (en) | Magnetic field cip device | |
| EP2434504A1 (en) | Sintered magnet manufacturing apparatus | |
| JPH06267774A (en) | Manufacture of radially oriented magnet, and radially oriented magnet | |
| JPH0543904A (en) | Production of permanent magnet green compact | |
| CN115780807B (en) | Full-automatic magnet integrated forming device and method using unidirectional motion device | |
| JP2005277180A (en) | Magnet-manufacturing method, magnetic powder forming method and dry forming equipment | |
| JPS6281298A (en) | Magnetic field cip device | |
| EP0265016A2 (en) | Process of making a permanent magnet | |
| JPS6167599A (en) | Magnetic field forming method and forming device | |
| JP2822180B2 (en) | Ring magnet forming equipment | |
| JPH08264362A (en) | Magnet molding apparatus | |
| JPS61140125A (en) | Metal mold structure for press of magnetic powder | |
| JPS6264498A (en) | Wet type rubber press in magnetic field | |
| JPH0646972Y2 (en) | Magnetic field press equipment | |
| RU2086028C1 (en) | Method for electromagnetic pressing articles from powder materials which are oriented in magnetic field and device which implements said method | |
| JPH09165603A (en) | Power packing method and powder packing device | |
| JPS63204709A (en) | Molding device for ring-shaped anisotropic magnet | |
| JPH05101955A (en) | Manufacture of anisotropic bonded magnet | |
| JPS57103303A (en) | Manufacture of permanent magnet in cylindrical shape | |
| JP4057075B2 (en) | Molding method of magnet powder | |
| JPH08250357A (en) | Manufacturing device and method of thin-walled ring magnet | |
| JP2000353632A (en) | Magnetic field application apparatus | |
| JPH0997730A (en) | Manufacture of sintered permanent magnet |