JPH0726035Y2 - Powdery thermal insulation agent coating device for injection sleeve in vertical injection type die casting machine - Google Patents
Powdery thermal insulation agent coating device for injection sleeve in vertical injection type die casting machineInfo
- Publication number
- JPH0726035Y2 JPH0726035Y2 JP1989150991U JP15099189U JPH0726035Y2 JP H0726035 Y2 JPH0726035 Y2 JP H0726035Y2 JP 1989150991 U JP1989150991 U JP 1989150991U JP 15099189 U JP15099189 U JP 15099189U JP H0726035 Y2 JPH0726035 Y2 JP H0726035Y2
- Authority
- JP
- Japan
- Prior art keywords
- injection sleeve
- powder
- cylinder
- die casting
- casting machine
- 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 - Fee Related
Links
Landscapes
- Electrostatic Spraying Apparatus (AREA)
Description
【考案の詳細な説明】 〈産業上の利用分野〉 本考案は、射出スリーブを鉛直状に設置せしめてプラン
ジャチップを他側から天側へ向けて射出する縦射出式ダ
イカスト機において、その射出スリーブ内面に粉状断熱
剤を静電塗布するための塗布装置に関すものである。[Detailed Description of the Invention] <Industrial field of application> The present invention relates to a vertical injection die casting machine in which an injection sleeve is installed vertically and a plunger chip is ejected from the other side to the top side. The present invention relates to a coating device for electrostatically coating a powdery heat insulating agent on the inner surface.
〈従来の技術〉 本願人は先に、射出スリーブの内周面に粉状断熱剤を塗
布することを提案し、その中で粉状断熱剤を静電塗布す
る方法が最も好ましいことを開示した（特開平１−2997
50号公報参照）。<Prior Art> The applicant has previously proposed to apply a powdery heat insulating agent to the inner peripheral surface of the injection sleeve, and disclosed that the method of electrostatically applying the powdery heat insulating agent is the most preferable. (JP-A 1-2997
(See Japanese Patent No. 50).
しかし乍ら、実際に粉状断熱剤を射出スリーブの内周面
に静電塗布する場合、特に縦射出式ダイカスト機にあっ
ては、射出スリーブの下端がプランジャチップでもって
閉塞されているため、粉状断熱剤を射出スリーブの内底
部までむらなく塗布することが難しく、また射出スリー
ブの内径が小さいと既製の静電塗布用ガンを射出スリー
ブの中へ挿入することができないため粉状断熱剤を静電
塗布すること自体が不可能となる不具合があった。However, when electrostatically applying the powdery heat insulating agent to the inner peripheral surface of the injection sleeve, the lower end of the injection sleeve is blocked by the plunger tip especially in the vertical injection type die casting machine. It is difficult to apply the powdery heat insulating agent evenly to the inner bottom of the injection sleeve, and if the inner diameter of the injection sleeve is small, it is not possible to insert a ready-made electrostatic coating gun into the injection sleeve. There was a problem that electrostatic coating itself was impossible.
〈考案が解決しようとする課題〉 本考案はこの様な不具合に鑑みてなされたものであり、
粉状断熱剤を射出スリーブの内底部までむらなく均一に
静電塗布することが出来ると共に、既製の静電塗布用ガ
ンを挿入することができない小径の射出スリーブにも容
易に適用することが出来、且つ塗布装置のメンテナンス
も容易に行うことが出来る縦射出式ダイカスト機におけ
る射出スリーブへの粉状断熱剤塗布装置を提供せんとす
るものである。<Problems to be solved by the invention> The present invention has been made in view of such a problem,
The powdery heat insulating agent can be applied electrostatically evenly to the inner bottom of the injection sleeve, and can be easily applied to small diameter injection sleeves that do not allow the insertion of a ready-made electrostatic application gun. The present invention also provides a powdery heat-insulating agent coating device for an injection sleeve in a vertical injection type die casting machine, which enables easy maintenance of the coating device.
〈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縦射出式ダイカスト機にお
ける射出スリーブへの粉状断熱剤塗布装置は、射出スリ
ーブの内部長とほぼ同じ長さを有し且つ軸心に沿って粉
体流路を有する粉体吹出し筒における外周の長手方向に
沿って溝を形成し、該溝内に高電圧発生装置と電気的に
接続された電極線を埋設すると共にその表面を絶縁部材
で被覆し、該電極線の先端を上記粉体吹出し筒の粉体吹
出し口近傍に臨ませ、上記粉体吹出し筒を駆動用シリン
ダのロッドに支持せしめて射出スリーブ内に出し入れ自
在としたことを特徴としたものである。<Means for Solving the Problems> The powdery heat insulating agent applying device for the injection sleeve in the vertical injection type die casting machine of the present invention which achieves such an object has a length substantially equal to the internal length of the injection sleeve and A groove is formed along the longitudinal direction of the outer periphery of the powder blowing cylinder having the powder flow path along the axis, and an electrode wire electrically connected to the high voltage generator is embedded in the groove and The surface is covered with an insulating member, the tip of the electrode wire is exposed to the vicinity of the powder outlet of the powder outlet cylinder, and the powder outlet cylinder is supported by the rod of the drive cylinder and can be inserted into and removed from the injection sleeve. It is characterized by that.
〈実施例〉 以下、本考案の一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.
本考案に係る粉状断熱剤の塗布装置Ａは、第１図に示す
如く粉体吹出し筒１と、その粉体吹出し筒１をダイカト
ト機Ｂの射出スリーブb1内に出し入れするための駆動用
シリンダ２とで構成され、ダイカスト機Ｂの固定金型b2
の下部に鉛直状傾動自在に配備された射出スリーブb1の
傾動側に設置される。尚、図中b3はプランジャチップで
あり、b4は固定盤である。As shown in FIG. 1, the powdery heat insulating agent coating apparatus A according to the present invention is for driving a powder blowing cylinder 1 and for driving the powder blowing cylinder 1 into and out of an injection sleeve b 1 of a die-cutting machine B. Cylinder 2 and fixed die b 2 of die casting machine B
It is installed on the tilting side of the injection sleeve b 1 that is vertically tiltably arranged in the lower part of the. In the figure, b 3 is a plunger tip and b 4 is a fixed platen.
そして、駆動用シリンダ２は、ダイカスト機Ｂの固定盤
b4に支持杆３を介して、傾動した射出スリーブb1と平行
となるようにそのロッド2aを射出スリーブb1の先端すな
わち注湯口b1′方へ向けて傾斜状に取付け、ロッド2aの
先端に取付片４を介して粉体吹出し筒１を一体的に取付
ける。The driving cylinder 2 is a fixed plate of the die casting machine B.
The rod 2a is attached to the b 4 via the support rod 3 in an inclined manner so as to be parallel to the tilted injection sleeve b 1 toward the tip of the injection sleeve b 1 , that is, toward the pouring port b 1 ′. The powder blowout tube 1 is integrally attached to the tip end through the attachment piece 4.
粉体吹出し筒１は、射出スリーブb1の内部長とほぼ同じ
長さに形成すると共に、軸心に沿って粉体流路1aを有す
る中空棒状に形成し、その先端開口を粉体吹出し口1bと
なし、後端側に駆動用シリンダ２のロッド2aに取付ける
ための取付部1cを同一体に形成するか、第２図に示した
実施例の如く別体に形成して取外し可能に一体的に取付
ける。The powder blow-out cylinder 1 is formed to have a length substantially equal to the internal length of the injection sleeve b 1 and is formed into a hollow rod shape having a powder flow path 1a along the axis, and its tip opening is a powder blow-out port. 1b, the mounting portion 1c for mounting the rod 2a of the driving cylinder 2 on the rear end side is formed in the same body, or is formed separately as in the embodiment shown in FIG. 2 and is detachably integrated. Install it properly.
尚、図中６は粉体吹出し筒１の粉体吹出し口1bから吹出
しされる粉状断熱剤を射出スリーブb1の内周面に効率よ
く分散させるための分散板、７は粉状断熱剤を供給する
ための供給用ホースである。In the figure, 6 is a dispersion plate for efficiently dispersing the powdery heat insulating agent blown out from the powder blowout port 1b of the powder blowing cylinder 1 on the inner peripheral surface of the injection sleeve b 1 , and 7 is the powdery heat insulating agent. Is a supply hose for supplying.
そして、この粉体吹出し筒１の外周には、第２図，第３
図に示すように、その長手方向に沿って溝1dを形成し、
その溝1d内に高電圧発生装置８と電気的に接続された電
極線９を１本ないしは複数本埋設し、その表面を絶縁部
材10で被覆するようにすると共に、その電極線９の先端
9aを粉体流路1aの内側または外側における粉体吹出し口
1b近傍に臨ませる。この第２図，第３図に示す実施例で
は、粉体吹出し筒１を取付部1cと別体に形成したことと
相俟って、仮に電極線９や粉体吹出し筒１が損傷した場
合にその電極線９や粉体吹出し筒１のみを個別に交換す
るだけですむメリットがある。And, on the outer periphery of the powder blow-out tube 1, as shown in FIG.
As shown in the figure, form a groove 1d along its longitudinal direction,
One or a plurality of electrode wires 9 electrically connected to the high-voltage generator 8 are buried in the groove 1d so that the surface thereof is covered with an insulating member 10 and the tip of the electrode wire 9 is covered.
9a is the powder outlet inside or outside the powder passage 1a
Place it near 1b. In the embodiment shown in FIGS. 2 and 3, in the case where the powder discharge tube 1 is formed separately from the mounting portion 1c, the electrode wire 9 and the powder discharge tube 1 are temporarily damaged. In addition, there is an advantage that only the electrode wire 9 and the powder blow-out tube 1 need to be individually replaced.
而して、射出スリーブb1の内周面に粉状断熱剤を静電塗
布する場合には、駆動用シリンダ２のロッド2aを前進動
作させて粉体吹出し筒１を射出スリーブb1の注湯口b1′
から挿入せしめて粉体吹出し口1bを射出スリーブb1の内
底部付近（プランジャチップb3の近く）まで進入させ、
供給用ホース10から粉体吹出し筒１の粉体流路1aに粉状
断熱剤を供給すると同時に、高電圧発生装置８でもって
電極線９の先端9aと射出スリーブb1の内周面b1″との間
に高電圧をかけて静電電界を発生させる。すると、粉体
吹出し口1bから吹出される粉状断熱剤が帯電されて射出
スリーブb1の内周面b1″に瞬間的に付着塗布されるの
で、粉体吹出し口1bから粉状断熱剤を吹出しながら粉体
吹出し筒１を射出スリーブb1から徐々に引抜けば、射出
スリーブb1の内周面b1″前面にわたって均一に粉状断熱
剤が静電塗布される。Thus, when electrostatically applying the powdery heat insulating agent to the inner peripheral surface of the injection sleeve b 1 , the rod 2 a of the drive cylinder 2 is moved forward so that the powder blowout tube 1 is injected into the injection sleeve b 1 . Spout b 1 ′
Allowed insert it is advanced the powder blow-out port 1b to the vicinity of the inner bottom portion of the injection sleeve b 1 (near the plunger tip b 3),
At the same time as supplying the powdery heat insulating agent from the supply hose 10 to the powder flow path 1a of the powder blow-out cylinder 1, the tip 9a of the electrode wire 9 and the inner peripheral surface b 1 of the injection sleeve b 1 are controlled by the high voltage generator 8. , A high voltage is applied between them and an electrostatic electric field is generated. Then, the powdery heat-insulating agent blown out from the powder blow-out port 1b is charged and the inner peripheral surface b 1 ″ of the injection sleeve b 1 is instantaneously charged. since adhesion is applied to, if the powder blow tube 1 while the powder air outlet 1b blow powdery insulation material pullout gradually from the injection sleeve b 1, over the inner circumferential surface b 1 "front of the injection sleeve b 1 The powdery heat insulating agent is uniformly applied electrostatically.
尚、使用する粉状断熱剤としては溶湯と非反応性の粉
体、例えばボロンや滑石等の帯電性を有する粉体、或い
は金属酸化物や金属硫化物、金属チッ化物等の粉体、又
はこれら粉体に樹脂粉を混合させた粉体などを使用し
得、その中でも特に射出スリーブb1の内周面b1″に対す
るプランジャチップb3の摺動性を向上させる上で、粉体
状態でもって自己潤滑性を有する粉体を使用することが
好ましい。As the powdery heat insulating agent to be used, powder which is non-reactive with the molten metal, for example, powder having electrostatic properties such as boron and talc, powder such as metal oxide, metal sulfide, metal nitride, or the like, or Powders obtained by mixing resin powders with these powders may be used. Among them, in order to improve the slidability of the plunger tip b 3 with respect to the inner peripheral surface b 1 ″ of the injection sleeve b 1 , the powder state Therefore, it is preferable to use a powder having a self-lubricating property.
〈考案の効果〉 本考案の縦射出式ダイカスト機における射出スリーブへ
の粉状断熱剤塗布装置は斯様に構成したので、下記の効
果を奏する。<Effects of the Invention> The powdery heat insulating agent coating device for the injection sleeve in the vertical injection type die casting machine of the present invention has the following effects because it is configured in this way.
粉体吹出し筒を射出スリーブの内部長とほぼ同じ長
さに形成して粉体吹出し筒を駆動用シリンダで射出スリ
ーブ内に出し入れ自在としたので、射出スリーブの内底
部から注湯口まで粉状断熱剤をむらなく均一に静電塗布
することが出来る。Since the powder blow-out cylinder is formed to have almost the same length as the inner length of the injection sleeve, and the powder blow-out cylinder can be freely taken in and out of the injection sleeve by the drive cylinder, powdery heat insulation from the inner bottom of the injection sleeve to the pouring port The agent can be applied electrostatically and evenly.
粉体吹出し筒に高電圧発生装置と電気的に接続され
た電極線を埋設して電極線の先端を粉体吹出し筒の粉体
吹出し口近傍に臨ませるようにしたので、粉体吹出し筒
の外径を細く形成することが可能となり、従って既成の
静電塗布用ガンを挿入することができない小径の射出ス
リーブにも十分に対応し適用することが出来るようにな
る。Since the electrode wire electrically connected to the high-voltage generator is embedded in the powder blow-out tube so that the tip of the electrode wire faces the vicinity of the powder blow-out port of the powder blow-out tube, It is possible to form the outer diameter to be small, and thus it is possible to sufficiently cope with and apply to a small-diameter injection sleeve in which the existing electrostatic coating gun cannot be inserted.
高電圧発生装置と電気的に接続された電極線を粉体
吹出し筒外周の長手方向に沿って形成した溝内に埋設
し、その表面を絶縁部材で被覆するようにしているの
で、仮に電極線が損傷した場合でも、電極線のみを個別
に交換すればよく、塗布装置全体を交換する必要がない
ため、装置のメンテナンスも極めて容易であると共にコ
スト安である。The electrode wire electrically connected to the high-voltage generator is embedded in a groove formed along the longitudinal direction of the outer circumference of the powder blowing cylinder, and its surface is covered with an insulating member. If the electrode is damaged, only the electrode wire needs to be individually replaced, and it is not necessary to replace the entire coating device. Therefore, maintenance of the device is extremely easy and the cost is low.
第１図は本考案実施の一例を示す塗布装置の使用状態を
一部切欠して示す側面図、第２図は本考案に係る粉体吹
出し筒を示す縦断側面図、第３図は第２図の（III）−
（III）線に沿う拡大断面図である。 図中 A:塗布装置、B:ダイカスト機、b1：射出スリーブ 1:粉体吹出し筒、1a:粉体流路、1b:粉体吹出し口 2:駆動用シリンダ、2a:ロッド、8:高電圧発生装置 9:電極線、9a:電極線先端、10:絶縁部材FIG. 1 is a side view showing a state in which a coating apparatus according to an embodiment of the present invention is used, with a part thereof being cut away, FIG. 2 is a vertical side view showing a powder blowing cylinder according to the present invention, and FIG. (III) -in the figure
It is an expanded sectional view which follows the (III) line. In the figure, A: coating device, B: die casting machine, b 1 : injection sleeve 1: powder outlet cylinder, 1a: powder flow passage, 1b: powder outlet 2: drive cylinder, 2a: rod, 8: high Voltage generator 9: Electrode wire, 9a: Electrode wire tip, 10: Insulation member
Claims (1)
し且つ軸心に沿って粉体流路を有する粉体吹出し筒にお
ける外周の長手方向に沿って溝を形成し、該溝内に高電
圧発生装置と電気的に接続された電極線を埋設すると共
にその表面を絶縁部材で被覆し、該電極線の先端を上記
粉体吹出し筒の粉体吹出し口近傍に臨ませ、上記粉体吹
出し筒を駆動用シリンダのロッドに支持せしめて射出ス
リーブ内に出し入れ自在としたことを特徴とする縦射出
式ダイカスト機における射出スリーブへの粉状断熱剤塗
布装置。1. A groove is formed along a longitudinal direction of an outer circumference of a powder blowing cylinder having a length substantially equal to an inner length of an injection sleeve and having a powder flow path along an axis, and inside the groove. The electrode wire electrically connected to the high-voltage generator is embedded in and the surface of the electrode wire is covered with an insulating member, and the tip of the electrode wire is made to face the vicinity of the powder outlet of the powder outlet cylinder. An apparatus for applying a powdery heat insulating agent to an injection sleeve in a vertical injection type die casting machine, characterized in that a body blow-out cylinder is supported by a rod of a drive cylinder so that it can be freely taken in and out of an injection sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989150991U JPH0726035Y2 (en) | 1989-12-27 | 1989-12-27 | Powdery thermal insulation agent coating device for injection sleeve in vertical injection type die casting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989150991U JPH0726035Y2 (en) | 1989-12-27 | 1989-12-27 | Powdery thermal insulation agent coating device for injection sleeve in vertical injection type die casting machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0391152U JPH0391152U (en) | 1991-09-17 |
| JPH0726035Y2 true JPH0726035Y2 (en) | 1995-06-14 |
Family
ID=31697311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989150991U Expired - Fee Related JPH0726035Y2 (en) | 1989-12-27 | 1989-12-27 | Powdery thermal insulation agent coating device for injection sleeve in vertical injection type die casting machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0726035Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4523207B2 (en) * | 2001-07-24 | 2010-08-11 | 株式会社アーレスティ | Method of inserting electrode rod or injection pipe into injection sleeve and its insertion device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS539172A (en) * | 1976-07-13 | 1978-01-27 | Seiko Instr & Electronics Ltd | Crystal watch |
| JPS6142462A (en) * | 1984-08-07 | 1986-02-28 | Hanano Shoji Kk | Electrostatic spraying method of parting material for die casting |
| JPH0763830B2 (en) * | 1985-11-26 | 1995-07-12 | アスモ株式会社 | Method of applying release agent to die casting mold |
| JPS63137539A (en) * | 1986-11-27 | 1988-06-09 | Ube Ind Ltd | Method of applying soot onto contacting face with molten metal |
-
1989
- 1989-12-27 JP JP1989150991U patent/JPH0726035Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0391152U (en) | 1991-09-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6688875B2 (en) | Nozzle end for multiple tipped injection molding nozzle | |
| JPH0525552B2 (en) | ||
| JPH0726035Y2 (en) | Powdery thermal insulation agent coating device for injection sleeve in vertical injection type die casting machine | |
| KR102112634B1 (en) | Welding torch | |
| US4879074A (en) | Method for coating soot on a melt contact surface | |
| KR930001050B1 (en) | Heat retaining method for molten metal supplied into injection sleeve and device therefor | |
| EP0906820A2 (en) | Hook nozzle for inside gated mold | |
| US5238391A (en) | Injection molding probe with coaxial thermocouple tube and heating element | |
| HK1010855A1 (en) | Injection molding nozzle with edge gate inserts and sealing ring | |
| US4721287A (en) | Sleeve for blowing solid materials into a molten metal bath and method for use thereof | |
| JPH0723094Y2 (en) | Lubricant scattering prevention mechanism of powder lubricant application device in vertical injection sleeve | |
| JPH11147063A (en) | Method and apparatus for lining inside of pipe | |
| JP2001157869A (en) | Apparatus for power supply | |
| JPH0233890Y2 (en) | ||
| JPH0489168A (en) | Device for applying powdery heat insulating agent onto inner face of injection sleeve | |
| JPH0211259A (en) | Applying method for powderlike heat insulating agent to inside surface of injection sleeve | |
| JP2001052893A (en) | Plasma spraying device | |
| JP2552385B2 (en) | Device for applying powdery heat insulating agent to the mold | |
| JP6449031B2 (en) | Thermal spray gun and thermal spray apparatus provided with the same | |
| JP3347982B2 (en) | Nozzle structure of injection molding equipment | |
| JPH078426B2 (en) | Device for applying powdery thermal insulation agent to the inner surface of the injection sleeve | |
| JPH1043643A (en) | Powder coating apparatus | |
| JPH0671643B2 (en) | Method of applying powdery heat insulating agent to the inner surface of injection sleeve | |
| JPH11319679A (en) | Device for powder coating on pipe inside surface | |
| JPS6214120Y2 (en) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |