JPH0710839Y2 - Docking structure of injection sleeve in horizontal die-clamping / vertical injection die casting machine - Google Patents
Docking structure of injection sleeve in horizontal die-clamping / vertical injection die casting machineInfo
- Publication number
- JPH0710839Y2 JPH0710839Y2 JP1988027267U JP2726788U JPH0710839Y2 JP H0710839 Y2 JPH0710839 Y2 JP H0710839Y2 JP 1988027267 U JP1988027267 U JP 1988027267U JP 2726788 U JP2726788 U JP 2726788U JP H0710839 Y2 JPH0710839 Y2 JP H0710839Y2
- Authority
- JP
- Japan
- Prior art keywords
- injection
- injection sleeve
- die
- casting
- sleeve
- 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
Description
【考案の詳細な説明】 〈産業上の利用分野〉 本考案は、横型締・縦射出式ダイカスト機における射出
スリーブのドッキング構造に関する。DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to a docking structure for an injection sleeve in a horizontal die clamping / vertical injection die casting machine.
〈従来の技術とその問題点〉 従来のこの種横型締・縦射出式ダイカスト機では、第６
図に示す如く、固定型２と可動型３の下部型合せ面部４
に形成された半割円筒状の鋳込み口９′内に下方から射
出スリーブ１の先端部1aを嵌挿させる場合、プランジャ
チップ６を鋳込み口９′内まで前進摺動させて、製品の
取出しに必要な押湯部分（通称ビスケットと称する）を
金型内に形成してした為、鋳込み口９′が磨耗しやすく
早期に鋳込み口の真円度を保てなくなるだけでなく、鋳
込み口９′の下部型合せ面部４に溶湯が入り込んで鋳バ
リが発生しやすくなり、その鋳バリが鋳込み口内に残留
付着して、プランジャチップの射出動作に悪影響を及ぼ
すと共に、プランジャチップ自体の損傷を招く恐れがあ
り、その改善が要望されていた。<Conventional technology and its problems> In the conventional horizontal die clamping / longitudinal injection type die casting machine,
As shown in the figure, the lower die mating surface portion 4 of the fixed die 2 and the movable die 3
When inserting the tip portion 1a of the injection sleeve 1 from below into the half-cylindrical casting port 9'formed in, the plunger tip 6 is slid forward into the casting port 9'to take out the product. Since the necessary riser part (commonly called a biscuit) is formed in the mold, not only can the casting port 9'be prone to wear but the roundness of the casting port cannot be maintained early, but also the casting port 9 ' The molten metal easily enters the lower die mating surface portion 4 of the above, and casting burrs are easily generated, and the casting burrs remain and adhere to the inside of the casting port, which adversely affects the injection operation of the plunger tip and may cause damage to the plunger tip itself. There was a demand for improvement.
〈考案が解決しようとする課題〉 本考案はこの様な従来の不具合に鑑みてなされたもので
あり、鋳込み口の磨耗を防止し得ると共に、鋳込み口に
おける鋳バリの発生を防止し得、尚且つ製品の取出しに
必要な押湯部分（ビスケット）を有効に形成することが
出来る横型締・縦射出式ダイカスト機における射出スリ
ーブのドッキング構造を提供せんとするものである。<Problems to be Solved by the Invention> The present invention has been made in view of such conventional problems, and can prevent wear of the casting port and prevent generation of casting burrs at the casting port, and It is intended to provide a docking structure of an injection sleeve in a horizontal die clamping / vertical injection die casting machine capable of effectively forming a feeder portion (biscuit) necessary for taking out a product.
〈課題を解決するための手段〉 斯る目的を達成する本考案の横型締・縦射出式ダイカス
ト機における射出スリーブのドッキング構造は、鋳込み
口を射出スリーブの外径と略同径で射出スリーブの先端
部外周を包持する大径部と射出スリーブの外径よりやや
小径で押湯部分を形成する小径部とで構成し、上記大径
部と小径部との間に形成される段差部をプランジャチッ
プの射出ストローク前進限位置と同じかややキャビティ
側寄りに位置させ形成し、当該段差部に射出スリーブの
先端部先端を当接させた事を特徴としたものである。<Means for Solving the Problems> The docking structure of the injection sleeve in the horizontal die clamping / vertical injection type die casting machine of the present invention which achieves the above object is such that the casting port has a diameter substantially equal to the outer diameter of the injection sleeve. It is composed of a large diameter part that encloses the outer circumference of the tip part and a small diameter part that forms a feeder part with a diameter slightly smaller than the outer diameter of the injection sleeve, and the step part formed between the large diameter part and the small diameter part is It is characterized in that it is formed at the same position as the injection stroke forward limit position of the plunger tip or slightly closer to the cavity side, and the tip end of the injection sleeve is brought into contact with the stepped portion.
〈実施例〉 以下、本考案の実施例を図面に基づいて説明する。<Embodiment> An embodiment of the present invention will be described below with reference to the drawings.
射出スリーブ１は、ダイカスト機Ａの固定型２と可動型
３の型合せ面部真下に位置させてドッキングシリンダー
５により上下昇降自在に支持させると共に、プランジャ
チップ６を動作させるための射出シリンダー７の下端部
を支点にしてダイカスト機Ａの固定盤a1背後側へ傾動す
るように傾動シリンダー８に支持せしめて起立傾動自在
に設置し、固定型２と可動型３の下部型合せ面部４に構
成される鋳込み口９内に下方から抜き差し自在に嵌挿さ
せる。The injection sleeve 1 is positioned directly below the die matching surface portion of the fixed die 2 and the movable die 3 of the die casting machine A, supported by the docking cylinder 5 so as to be vertically movable, and the lower end of the injection cylinder 7 for operating the plunger tip 6. parts as a fulcrum and brought supporting the tilting cylinder 8 so as to tilt the stationary platen a 1 behind the side of the die-casting machine a is placed freely standing tilted and is configured in the lower parting surface 4 of the fixed mold 2 and the movable mold 3 It is inserted into and inserted into the casting port 9 from below.
鋳込み口９は、固定型２と可動型３との下部型合せ面部
４に相対向させて下方を開放させた半割円筒状に形成す
るが、射出スリーブ１の外径と略同径な大径部9aと、射
出スリーブ１の外径よりやや小径な小径部9bとで構成さ
れる。即ち、大径部9aは、射出スリーブ１の先端部1a外
周を包持するための部分であり、射出スリーブ１の外径
と略同径に形成すると共に、その上端すなわち小径部9b
との間に形成される段差部10を、プランジャチップ６の
射出ストローク前進限位置6aと同じ位置かそれよりもキ
ャビティ11側寄りに位置させ形成する。また、小径部9b
は、製品の取出しに必要な押湯部分（ビスケット）ｂを
形成するための部分であり、射出スリーブ１の外径より
やや小径でプランジャチップ６の外径より少し大径に形
成せしめ、湯道12を介してキャビティ11内と連通させ
る。The casting port 9 is formed in a half-cylindrical shape with the lower die mating surface portion 4 of the fixed die 2 and the movable die 3 facing each other and the lower side thereof opened, and has a large diameter substantially the same as the outer diameter of the injection sleeve 1. It is composed of a diameter portion 9a and a small diameter portion 9b having a diameter slightly smaller than the outer diameter of the injection sleeve 1. That is, the large diameter portion 9a is a portion for enclosing the outer periphery of the tip end portion 1a of the injection sleeve 1, is formed to have a diameter substantially the same as the outer diameter of the injection sleeve 1, and has its upper end, that is, the small diameter portion 9b.
The stepped portion 10 formed between and is formed at the same position as the injection stroke advance limit position 6a of the plunger tip 6 or closer to the cavity 11 side than that. Also, the small diameter part 9b
Is a part for forming a feeder part (biscuit) b necessary for taking out the product, and is formed to have a diameter slightly smaller than the outer diameter of the injection sleeve 1 and slightly larger than the outer diameter of the plunger tip 6. It communicates with the inside of the cavity 11 via 12.
而して、固定型２と可動型３を型閉めした後、射出スリ
ーブ１を上昇させて、両型2,3の下面型合せ面部４に形
成される半割円筒状の鋳込み口９の大径部9a内に射出ス
リーブ１の先端部1aを嵌挿させると共に、射出スリーブ
１の先端部1a先端1a′を鋳込み口９の段差部10に当接さ
せる。Then, after the fixed mold 2 and the movable mold 3 are closed, the injection sleeve 1 is raised to increase the size of the half-cylindrical casting port 9 formed in the lower mold mating surface portion 4 of both molds 2 and 3. The tip portion 1a of the injection sleeve 1 is fitted into the diameter portion 9a, and the tip portion 1a 'of the injection sleeve 1 is brought into contact with the step portion 10 of the casting port 9.
然る後、射出スリーブ１内に注湯された溶湯13をプラン
ジャチップ６でもってキャビティ11内に射出すると、鋳
込み口９の小径部9b内に押湯部分（ビスケット）が形成
される。After that, when the molten metal 13 poured into the injection sleeve 1 is injected into the cavity 11 with the plunger tip 6, a feeder portion (biscuit) is formed in the small diameter portion 9b of the casting port 9.
〈考案の効果〉 本考案は斯様に構成したので、プランジャチップの射出
動作を最後まで射出スリーブ内において行なうことが出
来、従って、鋳込み口の磨耗を防止し得ると共に、鋳込
み口の型合せ面部に溶湯が入り込んで鋳バリが発生する
ような惧れが全くなくなる。<Effect of the Invention> Since the present invention has such a configuration, the injection operation of the plunger tip can be performed in the injection sleeve to the end, and therefore, the wear of the casting opening can be prevented, and the mating surface portion of the casting opening can be prevented. There is no fear that casting burrs will be generated when the molten metal enters the inside.
しかも、製品の取出しに必要な押湯部分（ビスケット）
を有効に、すなわち必要最小限の薄さに形成することが
出来る 依って、所期の目的を達成し得る。Moreover, the feeder part (biscuit) necessary for taking out the product
The desired purpose can be achieved by being able to effectively form, that is, to form the thinnest possible thickness.
第１図乃至第３図は本考案の実施例を示し、第１図は型
開きした金型の下部に射出スリーブを待機させた状態を
示す縦断正面図、第２図は型閉めして構成された鋳込み
口に射出スリーブを嵌挿させる直前の状態を示す縦断正
面図、第３図はプランジャチップが射出動作してその射
出ストローク前進限に到達した状態を示す要部の拡大断
面図、第４図は従来例を示す部分拡大断面図である。 図中 1:射出スリーブ、2:固定型 3:可動型、4:型合せ面部 6:プランジャチップ、9:鋳込み口 9a:大径部、9b:小径部 10:段差部1 to 3 show an embodiment of the present invention, FIG. 1 is a vertical sectional front view showing a state in which an injection sleeve is made to stand by at the bottom of a mold that has been opened, and FIG. 2 is a mold closed configuration. FIG. 3 is a longitudinal sectional front view showing a state immediately before the injection sleeve is fitted into the formed casting port, and FIG. 3 is an enlarged cross-sectional view of an essential part showing a state in which the plunger tip has ejected and reached the injection stroke forward limit. FIG. 4 is a partially enlarged sectional view showing a conventional example. In the figure 1: Injection sleeve, 2: Fixed type 3: Movable type, 4: Mating surface part 6: Plunger tip, 9: Casting port 9a: Large diameter part, 9b: Small diameter part 10: Step part
Claims (1)
開放した半割円筒状の鋳込み口を形成し、該鋳込み口内
に下方から射出スリーブを嵌挿させる横型締・縦射出式
ダイカスト機における射出スリーブのドッキング構造に
おいて、前記鋳込み口を射出スリーブの外径と略同径で
射出スリーブの先端部外周を包持する大径部と射出スリ
ーブの外径よりやや小径で押湯部分を形成する小径部と
で構成し、上記大径部と小径部との間に形成される段差
部をプランジャチップの射出ストローク前進限位置と同
じかややキャビティ側寄りに位置させ形成し、当該段差
部に射出スリーブの先端部先端を当接させた事を特徴と
する横型締・縦射出式ダイカスト機における射出スリー
ブのドッキング構造。1. A horizontal die clamping / longitudinal injection type die casting in which a lower half mating surface portion of a fixed die and a movable die is formed with a semi-cylindrical casting opening having an open bottom, and an injection sleeve is fitted into the casting opening from below. In the docking structure of the injection sleeve in the machine, the casting port has a large diameter portion having a diameter substantially the same as the outer diameter of the injection sleeve and enclosing the outer periphery of the tip end portion of the injection sleeve, and a feeder portion having a diameter slightly smaller than the outer diameter of the injection sleeve. A small diameter portion to be formed, and the step portion formed between the large diameter portion and the small diameter portion is formed at the same position as the injection stroke advance limit position of the plunger tip or slightly closer to the cavity side. An injection sleeve docking structure for a horizontal die clamping / vertical injection die casting machine, characterized in that the tip of the injection sleeve is brought into contact with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988027267U JPH0710839Y2 (en) | 1988-02-29 | 1988-02-29 | Docking structure of injection sleeve in horizontal die-clamping / vertical injection die casting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988027267U JPH0710839Y2 (en) | 1988-02-29 | 1988-02-29 | Docking structure of injection sleeve in horizontal die-clamping / vertical injection die casting machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01135159U JPH01135159U (en) | 1989-09-14 |
| JPH0710839Y2 true JPH0710839Y2 (en) | 1995-03-15 |
Family
ID=31249612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988027267U Expired - Lifetime JPH0710839Y2 (en) | 1988-02-29 | 1988-02-29 | Docking structure of injection sleeve in horizontal die-clamping / vertical injection die casting machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0710839Y2 (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5854906A (en) * | 1981-09-25 | 1983-04-01 | 藤工業株式会社 | Cartridge type rod-like cosmetics push- out container |
| JPS5854907A (en) * | 1981-09-26 | 1983-04-01 | 星野商事株式会社 | Method and structure for assembling cabinet |
| JPS61273216A (en) * | 1985-05-28 | 1986-12-03 | Ube Ind Ltd | Manufacturing device for fiber reinforced metallic composite material |
-
1988
- 1988-02-29 JP JP1988027267U patent/JPH0710839Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01135159U (en) | 1989-09-14 |
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