JPS62275558A - Plunger lubricating apparatus - Google Patents
Plunger lubricating apparatusInfo
- Publication number
- JPS62275558A JPS62275558A JP11637086A JP11637086A JPS62275558A JP S62275558 A JPS62275558 A JP S62275558A JP 11637086 A JP11637086 A JP 11637086A JP 11637086 A JP11637086 A JP 11637086A JP S62275558 A JPS62275558 A JP S62275558A
- Authority
- JP
- Japan
- Prior art keywords
- lubricant
- sleeve
- plunger
- injection
- face
- 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
- 230000001050 lubricating effect Effects 0.000 title claims abstract description 6
- 239000000314 lubricant Substances 0.000 claims abstract description 33
- 239000002184 metal Substances 0.000 claims abstract description 11
- 238000005461 lubrication Methods 0.000 claims abstract description 8
- 238000002347 injection Methods 0.000 claims description 47
- 239000007924 injection Substances 0.000 claims description 47
- 238000003825 pressing Methods 0.000 claims description 8
- 238000004512 die casting Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 230000002093 peripheral effect Effects 0.000 description 4
- 239000007921 spray Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/2015—Means for forcing the molten metal into the die
- B22D17/2038—Heating, cooling or lubricating the injection unit
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
Description
【発明の詳細な説明】
３、発明の詳細な説明
［産業上の利用分野］
本発明は横形コールドチャンバーダイカストマシンの射
出スリーブの底部の給湯口より給湯する場合のプランジ
ャ潤滑装置に関する。Detailed Description of the Invention 3. Detailed Description of the Invention [Field of Industrial Application] The present invention relates to a plunger lubricating device for supplying hot water from a hot water supply port at the bottom of an injection sleeve of a horizontal cold chamber die-casting machine.
［従来技術］
横形コールドチャンバーダイカストマシンにおいて、射
出スリーブの下部よりの給湯口より電磁ポンプ等で射出
スリーブに給湯する場合における射出プランジャの潤滑
は、第４図のように射出スリーブ１２に摺動自在に表着
されている。射出プランジャ１１の端面側より型開き時
に、スプレィ装置１０などにより射出プランジャの端面
もしくは射出スリーブ１２の内面を潤滑剤を噴霧してい
る。[Prior Art] In a horizontal cold chamber die-casting machine, when hot water is supplied to the injection sleeve from the hot water supply port at the bottom of the injection sleeve using an electromagnetic pump or the like, the injection plunger is lubricated by sliding the injection plunger freely on the injection sleeve 12 as shown in Fig. 4. It is covered in. When the mold is opened from the end surface side of the injection plunger 11, lubricant is sprayed onto the end surface of the injection plunger or the inner surface of the injection sleeve 12 using a spray device 10 or the like.
［発明が解決しようとする問題点］
射出プランジャ１１の溶湯押圧端面に対向したスプレィ
１０から潤滑剤を噴出する。場合、射出スリーブ１２は
射出プランジャ１１によって一側が密閉された状態で噴
出するので、射出スリーブ１２内の清掃が困難であるば
かりでなく、射出プランジャ１１の溶湯押圧端面側の面
取面および円筒外周面への潤滑剤塗布は困難で、潤滑剤
供給不足になり、これが因で射出プランジャ１１のかじ
りを誘発することもあった。[Problems to be Solved by the Invention] Lubricant is ejected from the spray 10 facing the molten metal pressing end surface of the injection plunger 11. In this case, since the injection sleeve 12 is injected with one side sealed by the injection plunger 11, it is not only difficult to clean the inside of the injection sleeve 12, but also the chamfered surface on the molten metal pressing end side of the injection plunger 11 and the cylindrical outer periphery. Applying lubricant to the surfaces was difficult and resulted in insufficient lubricant supply, which could lead to galling of the injection plunger 11.
本発明の目的は射出スリーブ内の清掃と、射出プランジ
ャの溶湯押圧端面側の面取面および円筒外周面の潤滑不
足を防止したプランジャ潤滑方法を提供するにある。An object of the present invention is to provide a plunger lubrication method that cleans the inside of an injection sleeve and prevents insufficient lubrication of the chamfered surface on the molten metal pressing end side of the injection plunger and the outer peripheral surface of the cylinder.
［問題点を解決するための手段］
第１図に示したように射出スリーブ２４の上部に穴を開
口して射出プランジャ１１の溶湯押圧端面側の面取面２
２および円筒外周面２３を覗かせ、鎖式に露出した射出
プランジャ１１の前記潤滑剤供給部分に潤滑剤を滴下又
はスプレィ装置で噴射する。[Means for solving the problem] As shown in FIG. 1, a hole is opened in the upper part of the injection sleeve 24 to form a chamfered surface 2 on the molten metal pressing end surface side of the injection plunger 11.
2 and the cylindrical outer circumferential surface 23, and the lubricant is dripped or sprayed onto the lubricant supply portion of the injection plunger 11 exposed in a chain manner.
横形コールドチャンバーダイカストマシンで、射出スリ
ーブの下部から該スリーブに溶湯を給湯する射出プラン
ジャの潤滑方法において、射出スリーブの上部に穿設し
て開口部を設け、該開口部に射出プランジャの溶湯押圧
端面の面取面および外周面を露出して潤滑供給口より潤
滑剤を供給するようＷ或することにより、射出プランジ
ャへの潤滑剤が円滑に供給できる。In a method for lubricating an injection plunger in a horizontal cold chamber die casting machine, in which molten metal is supplied to the sleeve from the lower part of the injection sleeve, an opening is provided in the upper part of the injection sleeve, and the molten metal pressing end surface of the injection plunger is inserted into the opening. The lubricant can be smoothly supplied to the injection plunger by exposing the chamfered surface and outer circumferential surface of the injection plunger and supplying the lubricant from the lubricant supply port.
潤滑供給口は乾燥高圧空気を噴射して射出スリーブ内を
清掃し、次に潤滑剤を供給し次いで乾燥空気で潤滑剤を
乾燥させることも可能である。The lubrication supply port can also inject dry high-pressure air to clean the inside of the injection sleeve, then supply lubricant, and then dry the lubricant with dry air.
Ｃ実施例］
以下、本発明を実施例に基づき詳細に説明する。第１図
は本発明の一実施例を示すもので、図中、第４図と同一
作用のものは同一符号で示して説明を省略する。２４は
固定金型ｚ５、固定グイプレート２６に嵌着された射出
スリーブで、同スリーブ２４の上部には穴２７が穿設さ
れている。C Example] Hereinafter, the present invention will be described in detail based on Examples. FIG. 1 shows an embodiment of the present invention, and in the figure, parts having the same functions as those in FIG. 4 are designated by the same reference numerals, and the explanation thereof will be omitted. Reference numeral 24 denotes an injection sleeve fitted to the fixed mold z5 and the fixed gouge plate 26, and a hole 27 is bored in the upper part of the sleeve 24.
前記穴２７の開口部は射出スリーブ２４に摺ｌｈ自在に
嵌挿されている射出プランジャ１１の溶湯押圧端面側の
面取面２２および円筒外周面２３をノズル２８で潤滑剤
を滴下するかもしくは噴射できる程度の開口部を具えて
いる。２９は給湯管で、図示しない電磁ポンプ等の給湯
装置に連結している。The opening of the hole 27 is provided with a nozzle 28 that drips or injects lubricant onto the chamfered surface 22 and cylindrical outer peripheral surface 23 of the molten metal pressing end surface of the injection plunger 11, which is slidably inserted into the injection sleeve 24. It has as many openings as possible. A hot water supply pipe 29 is connected to a hot water supply device such as an electromagnetic pump (not shown).
穴２７より射出プランジャ１１に潤滑剤を滴下もしくは
噴射する場合は、射出プランジャ１１を後退させて射出
プランジャ１１の溶湯押圧端面側の面取面２２および該
面取面２２より円筒外周面２３を数−へ程度の範囲を穴
２７から覗かせるようにしておく、この状態で面取面２
２および外周面２３の数−への範囲をノズル２８によっ
て潤滑剤を滴下もしくは噴射するかまたは噴射スプレィ
装置（図示せず）等で潤滑剤を供給する。When dropping or injecting lubricant into the injection plunger 11 from the hole 27, the injection plunger 11 is moved backward and the cylindrical outer peripheral surface 23 is separated from the chamfered surface 22 on the molten metal pressing end surface side of the injection plunger 11 and the chamfered surface 22. In this state, the chamfered surface 2
2 and the outer circumferential surface 23 by dropping or spraying the lubricant through the nozzle 28 or supplying the lubricant with a spray device (not shown) or the like.
第３図は他の実施例を示したもので、図中第１図に同一
作用のものは同一符号を示して説明を省略する。ノズル
３０は空気開閉弁３１、潤滑開閉弁３３をそれぞれ介し
て乾燥高圧空気源３２、潤滑剤供給源３４に連結されて
いる。FIG. 3 shows another embodiment, in which parts having the same functions as those in FIG. The nozzle 30 is connected to a dry high-pressure air source 32 and a lubricant supply source 34 via an air on-off valve 31 and a lubrication on-off valve 33, respectively.
かかる構成においてはまず空気開閉弁３１を励磁させて
乾燥高圧空気源３２より乾燥の高圧空気を射出スリーブ
２４内に噴射して内部を清掃し。In this configuration, first, the air on-off valve 31 is energized and dry high-pressure air is injected into the injection sleeve 24 from the dry high-pressure air source 32 to clean the inside.
次に潤滑剤開閉弁３３を励磁して潤滑剤を供給し、ノズ
ル３０で乾燥空気と潤滑剤を混合して空気圧で噴射する
０次いで潤滑開閉弁３３を非励磁（図示の状態）にして
乾燥空気で潤滑剤を乾燥させ、空気開閉弁３１を非励磁
（図示の状態）にして潤滑剤の供給が完了する。Next, the lubricant on-off valve 33 is energized to supply lubricant, and the nozzle 30 mixes dry air and lubricant and injects the mixture using air pressure.Next, the lubrication on-off valve 33 is de-energized (state shown) to dry the lubricant. The lubricant is dried with air, and the air on-off valve 31 is de-energized (state shown) to complete the supply of the lubricant.
［考案の効果］
射出プランジャおよび射出スリーブの潤滑状態が向上し
、射出速度が安定するとともに、射出プランジャおよび
射出スリーブの寿命が向上する。[Effects of the invention] The lubrication state of the injection plunger and the injection sleeve is improved, the injection speed is stabilized, and the life of the injection plunger and the injection sleeve is improved.
第１図は本発明の一実施例を示す要部断面図、第２図は
射出スリーブの上部開口の平面図、第３図は本発明の他
の実施例の要部断面図。
第４図は従来令を示す要部断面図である。
１１・・・射出プランジャ、２２・・・面取面、２３・
・・円筒外周面、２４・−・射出スリーブ、２５・・・
固定金型、２６・・・固定ダイトプレート、２７・・・
穴。
２８・・・ノズル、２９・・・給湯管、３０・・・ノズ
ル。
３１・・・空気開閉弁、３２・・・乾燥高圧空気源、３
３・・・潤滑剤開閉弁、３４・・・潤滑剤供給源。FIG. 1 is a sectional view of a main part showing one embodiment of the present invention, FIG. 2 is a plan view of an upper opening of an injection sleeve, and FIG. 3 is a sectional view of a main part of another embodiment of the invention. FIG. 4 is a sectional view of a main part showing a conventional model. 11... Injection plunger, 22... Chamfered surface, 23...
... Cylindrical outer peripheral surface, 24... Injection sleeve, 25...
Fixed mold, 26...Fixed die plate, 27...
hole. 28... Nozzle, 29... Hot water pipe, 30... Nozzle. 31...Air on/off valve, 32...Dry high pressure air source, 3
3... Lubricant on/off valve, 34... Lubricant supply source.
Claims (2)
スリーブの下部から該スリーブに溶湯を給湯する射出プ
ランジャの潤滑に於いて、射出スリーブの上部に穿設し
て開口部を設け、該開口部に射出プランジャの溶湯押圧
端面側の面取面および外周面を露出して潤滑供給口より
潤滑剤を供給することを特徴とするプランジャ潤滑装置
。(1) When lubricating the injection plunger that supplies molten metal from the bottom of the injection sleeve to the sleeve in a horizontal cold chamber die-casting machine, an opening is provided in the upper part of the injection sleeve, and the injection plunger is inserted into the opening. A plunger lubricating device characterized in that a chamfered surface and an outer circumferential surface on the molten metal pressing end side are exposed and lubricant is supplied from a lubricant supply port.
ブ内を清掃し、次に潤滑剤を供給し、次いで乾燥空気で
潤滑剤を乾燥させることを特徴とする特許請求の範囲第
１項記載のプランジャ潤滑装置。(2) The lubricant supply port injects dry high-pressure air to clean the inside of the injection sleeve, then supplies lubricant, and then dries the lubricant with dry air. Plunger lubrication device as described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11637086A JPS62275558A (en) | 1986-05-21 | 1986-05-21 | Plunger lubricating apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11637086A JPS62275558A (en) | 1986-05-21 | 1986-05-21 | Plunger lubricating apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62275558A true JPS62275558A (en) | 1987-11-30 |
Family
ID=14685293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11637086A Pending JPS62275558A (en) | 1986-05-21 | 1986-05-21 | Plunger lubricating apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62275558A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05305411A (en) * | 1992-04-29 | 1993-11-19 | Nippondenso Co Ltd | Device and method for spraying solid lubricator |
| DE102019107319A1 (en) * | 2019-03-21 | 2020-09-24 | Engel Austria Gmbh | Melting unit for a shaping machine, shaping machine and method for operating such |
-
1986
- 1986-05-21 JP JP11637086A patent/JPS62275558A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05305411A (en) * | 1992-04-29 | 1993-11-19 | Nippondenso Co Ltd | Device and method for spraying solid lubricator |
| US5388631A (en) * | 1992-04-29 | 1995-02-14 | Nippondenso Co., Ltd. | Die-casting apparatus with spraying device for solid lubricant and device for cleaning nozzles |
| DE102019107319A1 (en) * | 2019-03-21 | 2020-09-24 | Engel Austria Gmbh | Melting unit for a shaping machine, shaping machine and method for operating such |
| DE102019107319B4 (en) | 2019-03-21 | 2022-09-08 | Engel Austria Gmbh | Melting unit for a shaping machine, shaping machine and method for operating one |
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