JP2639552B2 - Semi-solid metal injection molding equipment - Google Patents
Semi-solid metal injection molding equipmentInfo
- Publication number
- JP2639552B2 JP2639552B2 JP8073688A JP8073688A JP2639552B2 JP 2639552 B2 JP2639552 B2 JP 2639552B2 JP 8073688 A JP8073688 A JP 8073688A JP 8073688 A JP8073688 A JP 8073688A JP 2639552 B2 JP2639552 B2 JP 2639552B2
- Authority
- JP
- Japan
- Prior art keywords
- ingot
- shixo
- semi
- injection
- detecting
- 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
- 238000001746 injection moulding Methods 0.000 title claims description 12
- 229910052751 metal Inorganic materials 0.000 title claims description 12
- 239000002184 metal Substances 0.000 title claims description 12
- 239000007787 solid Substances 0.000 title 1
- 238000010438 heat treatment Methods 0.000 claims description 21
- 238000002347 injection Methods 0.000 claims description 21
- 239000007924 injection Substances 0.000 claims description 21
- 238000003825 pressing Methods 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 8
- 239000002002 slurry Substances 0.000 claims description 7
- 238000001125 extrusion Methods 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 3
- 238000005266 casting Methods 0.000 description 3
- 238000004512 die casting Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229910000861 Mg alloy Inorganic materials 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000012798 spherical particle Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
- Manufacture And Refinement Of Metals (AREA)
Description
【発明の詳細な説明】 （発明の目的） ［従来の技術］ 研究段階にあり実用化例は不明確であるが、第５図に
示す研究が発表されている。第５図はその概略図を示し
たものであり、マグネシウム合金の切断片・チップ状の
小片（以下チップという）35をホッパー36に投入しスク
リュー37を回転装置38で駆動してバレル39に押し込み、
バレル39の外周に設けた加熱装置40で加熱しながら前記
スクリュー37の回転で撹拌されて半溶融状態とし、次に
スクリュー37の回転を停止して油圧シリンダ41でスクリ
ュー37を押圧し、プラスチックスの射出成形機と同様に
金型装置33に射出して凝固させる射出成形法である。DETAILED DESCRIPTION OF THE INVENTION (Purpose of the Invention) [Prior Art] Although it is in the research stage and its practical application is unclear, the research shown in FIG. 5 has been published. FIG. 5 is a schematic view of the method, in which a cut piece or chip-shaped small piece (hereinafter referred to as a chip) 35 of a magnesium alloy is put into a hopper 36 and a screw 37 is driven by a rotating device 38 to be pushed into a barrel 39. ,
While being heated by a heating device 40 provided on the outer periphery of the barrel 39, the mixture is stirred by the rotation of the screw 37 to be in a semi-molten state, and then the rotation of the screw 37 is stopped, and the screw 37 is pressed by the hydraulic cylinder 41, and the plastics is pressed. This is an injection molding method of injecting and solidifying into the mold device 33 in the same manner as the injection molding machine of the above.
［発明が解決しようとする課題］ しかしながら従来技術においては、チップ35がバレル
39に押し込まれる課程でチップ35間の空隙に空気を巻き
込むので半溶融状態の金属中に気泡が混入し、完全に放
出されないで気泡が残存する。そのために射出成形後の
製品中に巣が発生するという問題が残されていた。[Problems to be Solved by the Invention] However, in the prior art, the tip 35 is a barrel.
Since air is entrained in the gap between the chips 35 in the process of being pushed into 39, air bubbles are mixed in the metal in a semi-molten state, and air bubbles remain without being completely released. Therefore, there remains a problem that nests are formed in the product after the injection molding.
本発明は、空気の巻き込のない、巣のない鋳物を効率
よく生産する自動化、鋳造装置を提供することを目的と
する。SUMMARY OF THE INVENTION An object of the present invention is to provide an automation and casting apparatus for efficiently producing a casting without air entrapment and without nests.
［課題を解決するための手段］ 本発明は金属の半溶融状態に於ける撹拌でスラリーを
作りインゴット型で冷却させて円柱形のシクソインゴッ
ト材とし、該シクソインゴット材を１シヨットの射出成
形重量に分断したシクソインゴットを複数個挿入して加
熱する加熱筒と、同加熱筒の片側端に装着しシクソイン
ゴットを押圧する押出プランジャ装置と、加熱筒のシク
ソインゴット取出し側端に装着し、シクソインゴットの
軟化度を検知するシクソインゴット軟化度検知装置と、
シクソインゴット取出し側端に設けたシクソインゴット
を射出スリーブに挿入するシクソインゴット移送手段
と、金型装置に装着した射出スリーブと、該射出スリー
ブに挿入した射出プランジャ機構とによりなる。Means for Solving the Problems According to the present invention, a slurry is prepared by stirring in a semi-molten state of a metal, cooled by an ingot type to obtain a cylindrical shixo ingot material, and the shixo ingot material is injected by one shot. A heating cylinder for heating by inserting a plurality of shixo ingots divided into molding weights, an extrusion plunger device attached to one end of the heating cylinder and pressing the shixo ingot, and A shixo ingot softening degree detecting device that is attached and detects the softening degree of the shixo ingot,
It comprises a shixo ingot transfer means provided at the end of the shixo ingot take-out side for inserting the shixo ingot into the injection sleeve, an injection sleeve mounted on the mold apparatus, and an injection plunger mechanism inserted into the injection sleeve.
本発明で加熱筒は複数ブロックに分割したヒータを加
熱筒外周に設けて夫々温度制御を可能にしたことを特徴
とする。In the present invention, the heating cylinder is characterized in that a heater divided into a plurality of blocks is provided on the outer periphery of the heating cylinder to enable temperature control of each of the heaters.
さらに本発明でシクソインゴット軟化度検知装置は、
摺動抵抗が小さい押圧アクチュエータと、該押圧アクチ
ュエータの出力端に取着した軟化度検知針とからなり、
加熱軟化したシクソインゴットの端面から前記軟化度検
知針を突き刺し、前記押圧アクチュエータの押圧力を検
知してシクソインゴットの軟化度を検知することを特徴
とする。Furthermore, in the present invention, the shixo ingot softening degree detection device,
It consists of a pressing actuator having a small sliding resistance and a softening degree detecting needle attached to the output end of the pressing actuator,
The softening degree detection needle is pierced from the end face of the heated and softened shixo ingot, and the pressing force of the pressing actuator is detected to detect the softening degree of the shixo ingot.
［作用］ 金属の半溶融状態における撹拌でスラリーを作り、イ
ンゴット型で冷却させて円柱形のシクソインゴット材に
して、該シクソインゴット材を１シヨットの射出成形重
量に分断したシクソインゴットを複数個加熱筒に挿入し
て加熱した後に、加熱筒の片側端に装着した押出プラン
ジャ装置で押圧しすることによりシクソインゴット取出
し端に設けたシクソインゴット軟化度検知装置で軟化度
を検知してからシクソインゴット取出し側端に設けたシ
クソインゴット移送手段で金型に設けた射出スリーブに
装填し、該射出スリーブに挿入した射出プランジャ機構
で押圧鋳造品が成形される。[Operation] A slurry is produced by stirring in a semi-molten state of a metal, cooled in an ingot mold to form a cylindrical shixo ingot material, and a shixo ingot obtained by dividing the shixo ingot material into an injection molding weight of 1 shot. After heating by inserting it into a plurality of heating cylinders, the degree of softening is detected by a shixo ingot softening degree detecting device provided at a shixo ingot take-out end by pressing with an extrusion plunger device attached to one end of the heating cylinder. After that, it is loaded into an injection sleeve provided in a mold by a shixo ingot transferring means provided at an end on the side of taking out the shixo ingot, and a press-cast product is formed by an injection plunger mechanism inserted into the injection sleeve.
［実施例］ 第１図（ａ），（ｂ），（ｃ）はシクソインゴットの
製造工程の原理を示した図である。[Example] FIGS. 1A, 1B and 1C are views showing the principle of a manufacturing process of a shixo ingot.
第１図（ａ）に於いて、11はポット,12は溶湯で、一
定湯面になるように供給され、加熱コイル13で一定温度
に制御されている。14は前記ポット11の下部に連結され
た冷却筒,15は冷却水のコイルで、一定温度に保持され
ている。この冷却温度は溶湯の凝固点近傍で溶湯は半溶
融状態になっている。16は撹拌プランジャで、回転して
前記半溶融状態の湯湯の凝固初晶デントライトを破砕
し、分断して得られる微細球状粒子を液相内に均一に分
散したスラリーを作り撹拌プランジャ16を上下に動かし
て前記スラリーを押し出し第１図（ｂ）のインゴット型
17に充填し冷却してシクソインゴット材18を作る。In FIG. 1 (a), 11 is a pot, 12 is a molten metal, supplied so as to have a constant surface level, and is controlled to a constant temperature by a heating coil 13. 14 is a cooling cylinder connected to the lower part of the pot 11, and 15 is a coil of cooling water, which is maintained at a constant temperature. This cooling temperature is near the solidification point of the molten metal, and the molten metal is in a semi-molten state. Reference numeral 16 denotes a stirring plunger, which is rotated to crush the solidified primary crystal dentrite of the semi-molten hot water, and forms a slurry in which fine spherical particles obtained by dividing are uniformly dispersed in a liquid phase to form a stirring plunger 16. The slurry is extruded by moving the slurry up and down, as shown in FIG. 1 (b).
The mixture is filled in 17 and cooled to produce a shixo ingot 18.
次にインゴット型17から取り出したシクソインゴット
材18を、射出成形の１ショットの分の大きさにＣ点に切
断して、シクソインゴット19を製造する。Next, the shixo ingot material 18 taken out from the ingot mold 17 is cut at a point C into a size corresponding to one shot of injection molding, thereby producing a shixo ingot 19.
このようにして製造したシクソインゴット19を第２図
の本発明の射出成形装置に供給するシクソインゴットの
製造技術は既に公知であり、本発明は射出成形の自動化
にある。The technique of manufacturing a shixo ingot for supplying the shixo ingot 19 thus manufactured to the injection molding apparatus of the present invention shown in FIG. 2 is already known, and the present invention resides in automation of injection molding.
第２図において、20はセラミックス材の加熱筒,21は
電熱ヒータで温度調整制御装置22によって一定に保温さ
れている。23は加熱筒20の上部を切欠いた開口部で、紙
面垂直方向から前記シクソインゴット19を投入する個所
である。24は押出プランジャ装置で、25はその押圧シリ
ンダである。In FIG. 2, reference numeral 20 denotes a heating tube made of a ceramic material, and reference numeral 21 denotes an electric heater, which is kept at a constant temperature by a temperature adjustment control device 22. Reference numeral 23 denotes an opening in which the upper portion of the heating cylinder 20 is cut out, where the shixo ingot 19 is inserted from a direction perpendicular to the paper surface. 24 is an extrusion plunger device, and 25 is its pressing cylinder.
第２図では４個のシクソインゴット19を加熱している
が、この数は生産性によって変わるもので限定するもの
ではない。26はシクソインゴット19の軟化度を検知する
シクソインゴット軟化度検知装置であり、27は軟化度検
知針で、摺動抵抗の小さい押圧アクチュエータ28の出力
端に取着されており、図のようにシクソインゴット19を
突き刺して、押圧アクチュエータ28の押圧力を検知して
シクソインゴット19の軟化度を検知する。シクソインゴ
ット19の軟化度が適当であれば、軟化度検知針27を抜い
て、前記押出プランジャ装置24を押圧してシュート29上
に押出して第３図の19aの状態とし、次に押出し装置30
で押し出し転がして、射出スリーブ31に図のように挿入
する。In FIG. 2, four shixo ingots 19 are heated, but this number depends on productivity and is not limited. 26 is a softening ingot softening degree detecting device for detecting the softening degree of the shixo ingot 19, 27 is a softening degree detecting needle, which is attached to the output end of the pressing actuator 28 having a small sliding resistance. Thus, the softening degree of the shixo ingot 19 is detected by piercing the shixo ingot 19 and detecting the pressing force of the pressing actuator 28. If the degree of softening of the shixo ingot 19 is appropriate, the softening degree detecting needle 27 is pulled out, the extruding plunger device 24 is pressed and pushed onto the chute 29 to bring it into the state of 19a in FIG. 30
, And is inserted into the injection sleeve 31 as shown in the figure.
ここに於いて、射出スリーブ31への移送手段は、図示
のシュート29による転がしに限定するものではない。32
は射出プランジャ機構で、不図示の押圧アクチュエータ
によって押圧されるものでコールドチャンバー形ダイカ
ストマシンで既知の構造とし、前記射出スリーブ31を装
着した金型装置33のキャビティ34（第４図参照）に前記
コールドチャンバ形ダイカストマシンと同様に前記シク
ソインゴット19は射出成形される。しかし、ダイカスト
マシンとは異なり、プラスチックの射出成形と同じよう
に流動状態でキャビティ34に充填される。Here, the transfer means to the injection sleeve 31 is not limited to rolling by the chute 29 shown. 32
Is an injection plunger mechanism, which is pressed by a pressing actuator (not shown). The injection plunger mechanism has a known structure with a cold chamber type die casting machine, and the injection plunger mechanism is inserted into a cavity 34 (see FIG. 4) of a mold apparatus 33 in which the injection sleeve 31 is mounted. The shixo ingot 19 is injection molded similarly to the cold chamber type die casting machine. However, unlike the die casting machine, the cavity 34 is filled in a fluid state in the same manner as in plastic injection molding.
［発明の効果］ 本発明は空気の巻き込みがなく巣のない鋳物が鋳造で
き、かつ溶湯ではないので凝固時の溶融の潜熱を放出す
ることもなく、また低温であるから冷却時間が短く、生
産性が向上でき、金型の寿命が長いなどの特徴を有す
る。[Effects of the Invention] The present invention can cast a casting without air entrapment and without nests, and does not release latent heat of solidification during solidification because it is not a molten metal. Characteristics such as improved moldability and a long mold life.
第１図はシクソインゴットの製造工程の原理図、第２図
は本発明の実施例を示す平面図、第３図は第２図のＹ−
Ｙ矢視の断面図、第４図は第２図のＺ矢視の図面図、第
５図は従来技術を示す概略図である。 11……ポット、12……溶湯、13……加熱コイル、14……
冷却筒、15……コイル、16……撹拌プランジャ、17……
インゴット型、18……シクソインゴット材、19……シク
ソインゴット、20……加熱筒、21……電熱ヒータ、22…
…温度調整制御装置、23……開口部、24……押出プラン
ジャ装置、25……押圧シリンダ、26……シクソインゴッ
ト軟化度検知装置、28……押圧アクチュエータ、29……
シュート、30……押出装置、31……射出スリーブ、32…
…射出プランジャ機構、33……金型装置、34……キャビ
ティ、35……チップ、36……ホッパー、37……スクリュ
ー、38……回転装置、39……バレル、40……加熱装置、
41……油圧シリンダ。FIG. 1 is a principle view of a manufacturing process of a shixo ingot, FIG. 2 is a plan view showing an embodiment of the present invention, and FIG.
FIG. 4 is a sectional view taken along the arrow Z in FIG. 2, and FIG. 5 is a schematic view showing the prior art. 11 ... pot, 12 ... melt, 13 ... heating coil, 14 ...
Cooling cylinder, 15 Coil, 16 Stirring plunger, 17
Ingot type, 18 ... shixo ingot material, 19 ... shixo ingot, 20 ... heating cylinder, 21 ... electric heater, 22 ...
... Temperature adjustment control device, 23 ... Opening, 24 ... Extrusion plunger device, 25 ... Pressing cylinder, 26 ... Sixo ingot softening degree detecting device, 28 ... Pressing actuator, 29 ...
Chute, 30 …… Extrusion device, 31 …… Injection sleeve, 32…
... Injection plunger mechanism, 33 ... Molding device, 34 ... Cavity, 35 ... Chip, 36 ... Hopper, 37 ... Screw, 38 ... Rotating device, 39 ... Barrel, 40 ... Heating device,
41 ... Hydraulic cylinder.
Claims (3)
を作りインゴット型で冷却させて円柱形のシクソインゴ
ット材とし、該シクソインゴット材を１ショットの射出
成形重量に分断したシクソインゴットを複数個挿入して
加熱する加熱筒と、同加熱筒の片側端に装着しシクソイ
ンゴットを押圧する押出プランジャ装置と、前記加熱筒
のシクソインゴット取出し側端に装着しシクソインゴッ
トの軟化度を検知するシクソインゴット軟化度検知装置
と、シクソインゴット取出し側端に設けたシクソインゴ
ットを射出スリーブに挿入するシクソインゴット移送手
段と、金型装置に装着した射出スリーブと、同射出スリ
ーブに挿入した射出プランジャ機構とにより構成してな
る半溶融金属射出成形装置。1. A slurry obtained by forming a slurry by stirring in a semi-molten state of a metal and cooling it with an ingot mold to form a cylindrical shixo ingot material, and dividing the shixo ingot material into one shot of injection molding weight. A heating cylinder for inserting and heating a plurality of ingots, an extrusion plunger device attached to one end of the heating cylinder and pressing a shixo ingot, and a shixo ingot attached to the shixo ingot take-out side end of the heating cylinder. A shixo ingot softening degree detecting device for detecting the degree of softening, a shixo ingot transferring means for inserting a shixo ingot provided at the end of the shixo ingot take-out side into an injection sleeve, and an injection sleeve mounted on a mold device. A semi-molten metal injection molding apparatus comprising an injection plunger mechanism inserted into an injection sleeve.
て、加熱筒は複数ブロックに分割したヒータを加熱筒外
周に設けて夫々温度制御を可能にしたことを特徴とする
半溶融金属射出成形装置。2. A semi-molten metal as set forth in claim 1, wherein the heating cylinder is provided with a heater divided into a plurality of blocks on the outer periphery of the heating cylinder so that the temperature can be controlled respectively. Injection molding equipment.
て、シクソインゴット軟化度検知装置は、摺動抵抗が小
さい押圧アクチュエータと、該押圧アクチュエータの出
力端に取着した軟化度検知針とからなり、加熱軟化した
シクソインゴットの端面から前記軟化度検知針を突き刺
し、前記押圧アクチュエータの押圧力を検知してシクソ
インゴットの軟化度を検知することを特徴とする半溶融
金属射出成形装置。3. A device for detecting softening degree of a shixo ingot according to claim 1, wherein said detecting means comprises a pressing actuator having a small sliding resistance and a softening degree detecting means attached to an output end of said pressing actuator. A semi-molten metal injection characterized by comprising a needle and piercing the softening degree detecting needle from the end face of the heat-softened shixo ingot, detecting the pressing force of the pressing actuator to detect the softening degree of the shixo ingot. Molding equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8073688A JP2639552B2 (en) | 1988-04-01 | 1988-04-01 | Semi-solid metal injection molding equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8073688A JP2639552B2 (en) | 1988-04-01 | 1988-04-01 | Semi-solid metal injection molding equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01254364A JPH01254364A (en) | 1989-10-11 |
| JP2639552B2 true JP2639552B2 (en) | 1997-08-13 |
Family
ID=13726674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8073688A Expired - Lifetime JP2639552B2 (en) | 1988-04-01 | 1988-04-01 | Semi-solid metal injection molding equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2639552B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7137435B2 (en) | 2002-11-18 | 2006-11-21 | Sodick Plustech Co., Ltd. | Enhanced cold chamber die casting molding machine |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1245080B (en) * | 1991-04-19 | 1994-09-13 | Weber Srl | PROCEDURE FOR OBTAINING HIGH MECHANICAL PERFORMANCE DIE CASTINGS BY INJECTION OF A METALLIC ALLOY TO THE SEMI-LIQUID STATE. |
| JP2703675B2 (en) * | 1991-07-15 | 1998-01-26 | 株式会社レオテック | Material heating sleeve for die casting machine |
| JP2967385B2 (en) * | 1993-02-10 | 1999-10-25 | 株式会社日本製鋼所 | Method for manufacturing metal injection molded product and metal injection molded product |
| IT1260684B (en) * | 1993-09-29 | 1996-04-22 | Weber Srl | METHOD AND PLANT FOR THE DIE-CASTING OF SEMI-LIQUID COMPONENTS WITH HIGH MECHANICAL PERFORMANCE STARTING FROM REOCOLATED SOLID. |
| JP3013226B2 (en) * | 1994-04-28 | 2000-02-28 | 株式会社日本製鋼所 | Manufacturing method of metal molded products |
| US5501266A (en) * | 1994-06-14 | 1996-03-26 | Cornell Research Foundation, Inc. | Method and apparatus for injection molding of semi-solid metals |
| JPH1133692A (en) * | 1997-07-24 | 1999-02-09 | Ahresty Corp | Manufacture of metallic slurry for semi-solidified casting |
| US5680894A (en) * | 1996-10-23 | 1997-10-28 | Lindberg Corporation | Apparatus for the injection molding of a metal alloy: sub-ring concept |
| US5865238A (en) * | 1997-04-01 | 1999-02-02 | Alyn Corporation | Process for die casting of metal matrix composite materials from a self-supporting billet |
| WO2006085875A1 (en) * | 2005-02-10 | 2006-08-17 | Cyco Systems Corporation Pty Ltd | Apparatus and method for mixing, agitating and transporting molten or semi-solid metallic or metal-matrix composite materials |
| US9586259B2 (en) | 2011-11-11 | 2017-03-07 | Crucible Intellectual Property, Llc | Ingot loading mechanism for injection molding machine |
| US9393612B2 (en) * | 2012-11-15 | 2016-07-19 | Glassimetal Technology, Inc. | Automated rapid discharge forming of metallic glasses |
| CN104668500B (en) * | 2013-12-02 | 2017-06-16 | 北京有色金属研究总院 | Device and method for preparing aluminum/magnesium alloy semi-solid slurry |
-
1988
- 1988-04-01 JP JP8073688A patent/JP2639552B2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7137435B2 (en) | 2002-11-18 | 2006-11-21 | Sodick Plustech Co., Ltd. | Enhanced cold chamber die casting molding machine |
| CN1325200C (en) * | 2002-11-18 | 2007-07-11 | 沙迪克普拉斯泰克株式会社 | Injection apparatus in cold chamber die casting molding machine and measuring method used therein |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01254364A (en) | 1989-10-11 |
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