JPH0825005B2 - Pressure casting equipment - Google Patents
Pressure casting equipmentInfo
- Publication number
- JPH0825005B2 JPH0825005B2 JP63191452A JP19145288A JPH0825005B2 JP H0825005 B2 JPH0825005 B2 JP H0825005B2 JP 63191452 A JP63191452 A JP 63191452A JP 19145288 A JP19145288 A JP 19145288A JP H0825005 B2 JPH0825005 B2 JP H0825005B2
- Authority
- JP
- Japan
- Prior art keywords
- pump chamber
- exhaust hole
- mold
- mold body
- insert
- 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
- 238000005266 casting Methods 0.000 title claims description 32
- 238000004140 cleaning Methods 0.000 claims description 10
- 229910052751 metal Inorganic materials 0.000 description 16
- 239000002184 metal Substances 0.000 description 16
- 239000011148 porous material Substances 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
Description
【発明の詳細な説明】 〔産業上の利用分野〕 この発明は加圧鋳造装置に関する。TECHNICAL FIELD The present invention relates to a pressure casting device.
従来における鋳造装置において、鋳造物を製造する場
合、湯回りの能率を良くするため、金型温度を充分高く
していた。In a conventional casting apparatus, when producing a casting, the mold temperature has been sufficiently increased in order to improve the efficiency of running the molten metal.
しかしながら、このように金型温度を充分高くする
と、溶湯が凝固するのに時間がかかり、この結果、鋳造
物の鋳造組織が密にならず、よって、高い強度を得にく
いという不都合を有した。However, when the mold temperature is sufficiently high as described above, it takes time for the molten metal to solidify, and as a result, the casting structure of the casting does not become dense, so that it is difficult to obtain high strength.
この発明の課題は、かかる不都合を解消することであ
る。An object of the present invention is to eliminate such inconvenience.
前記課題を達成するために、この発明の加圧鋳造装置
においては、鋳型本体にポンプ室部を設け、このポンプ
室部を前記鋳型本体の鋳造空間に開口させ、前記ポンプ
室部にプランジャ部材を前記鋳型本体の外側から進退可
能に嵌挿するとともに前記鋳型本体に排気孔を形成し、
この排気孔を介して前記ポンプ室部を鋳型本体の外空間
に開放した加圧鋳造装置において、 前記排気孔を前記ポンプ室部に向かって斜め下方に配
置するとともにこの排気孔に掃除ピンを進退可能に嵌挿
したものである。In order to achieve the above object, in the pressure casting device of the present invention, a mold chamber is provided with a pump chamber portion, the pump chamber portion is opened in a casting space of the mold body, and a plunger member is provided in the pump chamber portion. Forming an exhaust hole in the mold body while being fitted so as to be able to advance and retract from the outside of the mold body,
In a pressure casting apparatus in which the pump chamber portion is opened to the outer space of the mold body through the exhaust hole, the exhaust hole is arranged obliquely downward toward the pump chamber portion, and a cleaning pin is moved back and forth in the exhaust hole. It is inserted as much as possible.
また、前記ポンプ室部を鋳型本体の中心部に設置する
こともできる。Further, the pump chamber part may be installed in the center of the mold body.
上記のように構成された加圧鋳造装置にあっては上記
のように構成されているため、即ち、排気孔が前記ポン
プ室部に向かって斜め下方に配置されているため、ガス
が抜けやすいとともに掃除ピンの前記ポンプ室部におけ
る貫通ストロークを長くとれ、更に、排気孔に残留した
アルミニウムを突き出す際に鋳造空間内に落下させやす
いものである。Since the pressure casting apparatus configured as described above is configured as described above, that is, since the exhaust hole is arranged obliquely downward toward the pump chamber portion, gas easily escapes. At the same time, the penetrating stroke of the cleaning pin in the pump chamber can be made long, and further, when the aluminum remaining in the exhaust hole is projected, it can be easily dropped into the casting space.
なお、前記ポンプ室部を鋳型本体の中心部に設置すれ
ば、溶湯の凝固を中心部から周囲部に渡って進行させる
ことができる。If the pump chamber is installed in the center of the mold body, the solidification of the molten metal can proceed from the center to the surroundings.
以下、この発明の実施例として車両用ホイールの鋳造
装置を採り上げ、図面に基づいて説明する。Hereinafter, a vehicle wheel casting apparatus will be described as an embodiment of the present invention and will be described with reference to the drawings.
第１図において、Ｍは車両用ホイールを成形するため
の鋳型本体であり、主要部として下型１、横型２および
上型３を有する。また、この鋳型本体Ｍは車両用ホイー
ル状の鋳造空間４を有する。この鋳造空間４において、
41はリム成形空間部であり、車両用ホイールのリム部を
成形する部分である。次ぎに、11は下型１の第一入子で
あり、前記下型１の中心部に設置されている。この第一
入子11はディスク部（車両用ホイールの）の表面を成形
する。また、111は下型１の第二入子であり、前記第一
入子11の表面に設置されている。この第二入子111は車
両用ホイールの車軸孔を形成する。また、31は上型３の
第一入子であり、前記上型３の内側に嵌着されている。
この入子31はスポーク部（車両用ホイールの）の裏面を
成形する。また、32は上型３の第二入子であり、前記第
一入子31の中心部に嵌着されている。この入子32はディ
スク部（車両用ホイールの）の裏面を成形する。以上説
明した下型１、第一入子（下型１の）11、第二入子（下
型１の）111、横型２、上型３、第一入子（上型３の）3
1および第二入子（上型３の）32は、この発明の鋳型本
体Ｍを構成する。In FIG. 1, M is a mold body for molding a vehicle wheel, and has a lower mold 1, a horizontal mold 2, and an upper mold 3 as main parts. The mold body M also has a vehicle wheel-shaped casting space 4. In this casting space 4,
Reference numeral 41 denotes a rim molding space portion, which is a portion for molding the rim portion of the vehicle wheel. Next, 11 is a first insert of the lower mold 1, which is installed at the center of the lower mold 1. The first insert 11 forms the surface of the disk portion (of the vehicle wheel). Further, 111 is a second insert of the lower mold 1, which is installed on the surface of the first insert 11. The second insert 111 forms an axle hole of the vehicle wheel. Further, 31 is a first insert of the upper mold 3, which is fitted inside the upper mold 3.
This nesting 31 forms the back surface of the spoke portion (of the vehicle wheel). Reference numeral 32 is a second insert of the upper mold 3, which is fitted in the central portion of the first insert 31. The insert 32 forms the back surface of the disk portion (of the vehicle wheel). Lower mold 1, first insert (of lower mold 1) 11, second insert (of lower mold 1) 111, horizontal mold 2, upper mold 3, first insert (of upper mold 3) 3 described above
The first and second inserts (of the upper mold 3) 32 constitute the mold body M of the present invention.
なお、42は横型２に形成された湯道であり、鋳造空間
４に連なる。また、43はこの湯道42に形成された堰、5,
5は上型３に形成された押湯空間である。Reference numeral 42 denotes a runner formed in the horizontal mold 2 and connected to the casting space 4. Further, 43 is a weir formed in this runway 42,
5 is a feeder space formed in the upper mold 3.
次に、７はポンプ室部材であり、前記第二入子32の中
心部に嵌着されている。このポンプ室部材７は筒状であ
り、その先端開口は前記下型１の第二入子111に対向し
ている。一方、８は加圧ピン、81はこの加圧ピン８の先
端に一体形成されたプランジャ部である。このプランジ
ャ部81は前記ポンプ室部材７に隙間なく嵌挿し、上下方
向に進退することによりポンプ作用をする。鋳造空間４
に注湯した後、この加圧ピン８を200〜500kg/cm2の圧力
で押し下げ、プランジャ部81を前記ポンプ室部材７に侵
入させると、溶湯面が加圧され、ディスク部における溶
湯の湯回りを促進できる。71は排気孔であり、前記第二
入子（上型３の）32において、左上方からポンプ室部材
７の内部下方に向かって形成されている。また、711は
排気細孔であり、前記第二入子（上型３の）32に形成さ
れている。この排気細孔711は前記排気孔71を前記第二
入子（上型３の）32外に開放している。これらの排気孔
71および排気細孔711は注湯する際に鋳造空間４内の空
気を鋳型１外に排出するためのものである。なお、712
は掃除ピンであり、前記排気孔71に進退可能に嵌挿して
いる。この掃除ピン712を押し出すことにより、排気孔7
1に付着した溶湯を剥離除去できる。Next, 7 is a pump chamber member, which is fitted in the central portion of the second insert 32. The pump chamber member 7 has a tubular shape, and its front end opening faces the second insert 111 of the lower mold 1. On the other hand, 8 is a pressure pin, and 81 is a plunger portion integrally formed at the tip of the pressure pin 8. The plunger portion 81 is inserted into the pump chamber member 7 without any gap and moves forward and backward to act as a pump. Casting space 4
After pouring molten metal into the pump chamber member 7 by pushing down the pressure pin 8 with a pressure of 200 to 500 kg / cm 2 , the molten metal surface in the disc portion is pressurized and the molten metal in the disc portion is pressurized. You can promote your surroundings. Reference numeral 71 denotes an exhaust hole, which is formed in the second insert (of the upper mold 3) 32 from the upper left side toward the lower inside of the pump chamber member 7. Further, 711 is an exhaust pore, which is formed in the second insert (of the upper mold 3) 32. The exhaust pores 711 open the exhaust holes 71 to the outside of the second insert (of the upper mold 3) 32. These exhaust holes
71 and exhaust pores 711 are for discharging the air in the casting space 4 out of the mold 1 when pouring the molten metal. 712
Is a cleaning pin, which is inserted into the exhaust hole 71 so as to be able to move back and forth. By pushing out this cleaning pin 712, the exhaust hole 7
The molten metal adhering to 1 can be peeled off and removed.
次ぎにこの加圧鋳型装置の作動を説明する。 Next, the operation of this pressure mold device will be described.
まず、第２図および第３図に示す状態に、加圧ピン８
のプランジャ部81を位置決めする。このとき、排気孔71
の開口711は僅かな隙間を介して鋳造空間４に連通して
いる。この状態で、湯道42を介して鋳造空間４に注湯す
る。このとき、鋳造空間４内の空気は前記開口（排気孔
71の）711の隙間、排気孔71および排気細孔711を介して
鋳型本体Ｍ外に排出される。そして、溶湯が前記プラン
ジャ部81の底面に接触した状態で鋳造空間４への注湯を
停止する。なお、この場合、溶湯の一部は前記排気孔71
に侵入する。その後、加圧ピン８を押し下げる。する
と、加圧ピン８のプランジャ部81が溶湯の表面を押圧す
るため、溶湯の湯回りが促進され、この結果、溶湯の凝
固が促進される。この後、加圧ピン８を前記開口（排気
孔71の）713が露出するまで引き上げ、型を抜き、その
後、掃除ピン712を押し出して排気孔71に付着凝固した
溶湯を鋳型内に剥離除去する。First, in the state shown in FIG. 2 and FIG.
The plunger portion 81 of is positioned. At this time, the exhaust hole 71
The opening 711 communicates with the casting space 4 through a slight gap. In this state, the molten metal is poured into the casting space 4 via the runner 42. At this time, the air in the casting space 4 has the above-mentioned opening (exhaust hole).
The gas is discharged to the outside of the mold body M through the gap 711 (of 71), the exhaust hole 71 and the exhaust pore 711. Then, pouring into the casting space 4 is stopped while the molten metal is in contact with the bottom surface of the plunger portion 81. In this case, part of the molten metal is the exhaust hole 71.
Break into. Then, the pressure pin 8 is pushed down. Then, since the plunger portion 81 of the pressurizing pin 8 presses the surface of the molten metal, swirling of the molten metal is promoted, and as a result, solidification of the molten metal is promoted. Then, the pressure pin 8 is pulled up until the opening (of the exhaust hole 71) 713 is exposed, the mold is removed, and then the cleaning pin 712 is pushed out to remove the molten metal adhered and solidified in the exhaust hole 71 into the mold. .
この発明の加圧鋳造装置は、鋳型本体にポンプ室部を
設け、このポンプ室部を前記鋳型本体の鋳造空間に開口
させ、前記ポンプ室部にプランジャ部材を前記鋳型本体
の外側から進退可能に嵌挿するとともに前記鋳型本体に
排気孔を形成し、この排気孔を介して前記ポンプ室部を
鋳型本体の外空間に開放した加圧鋳造装置において、 前記排気孔を前記ポンプ室部に向かって斜め下方に配
置するとともにこの排気孔に掃除ピンを進退可能に嵌挿
したため、即ち、排気孔が前記ポンプ室部に向かって斜
め下方に配置されているため、ガスが抜けやすいととも
に掃除ピンの前記ポンプ室部における貫通ストロークを
長くとれ、更に、排気孔に残留したアルミニウムを突き
出す際に鋳造空間内に落下させやすいものである。The pressure casting apparatus of the present invention is provided with a pump chamber part in the mold body, opens this pump chamber part in the casting space of the mold body, and allows the plunger member in the pump chamber part to move forward and backward from the outside of the mold body. In a pressure casting device in which an exhaust hole is formed in the mold body while being fitted, and the pump chamber portion is opened to the outer space of the mold body through the exhaust hole, the exhaust hole is directed toward the pump chamber portion. Since the cleaning pin is disposed diagonally downward and the cleaning pin is inserted into the exhaust hole so as to be able to move forward and backward, that is, the exhaust hole is disposed obliquely downward toward the pump chamber portion, gas easily escapes and The penetration stroke in the pump chamber can be long, and further, when the aluminum remaining in the exhaust hole is projected, it can be easily dropped into the casting space.
よって、この加圧鋳造装置を使用すれば、注湯の際の
ガス抜きがしやすいともに、掃除ピンが排気孔を貫通し
た際の底突きを防止することができ、更に、排気孔に残
留したアルミニウムを除去しやすいものである。Therefore, when this pressure casting device is used, it is easy to vent gas when pouring, and it is possible to prevent bottom pinching when the cleaning pin penetrates the exhaust hole, and further it is left in the exhaust hole. It is easy to remove aluminum.
なお、前記ポンプ室部を鋳型本体の中心部に設置すれ
ば、溶湯の凝固を中心部から周囲部に渡って進行させる
ことができる。If the pump chamber is installed in the center of the mold body, the solidification of the molten metal can proceed from the center to the surroundings.
図面はこの発明に係る加圧鋳造装置の実施例を示すもの
で、 第１図は断面図である。 第２図および第３図はこの装置の作動を説明する図であ
り、第３図は第２図におけるIII−III線断面図である。 Ｍ…鋳型本体 ４…鋳造空間 ７…ポンプ室部材（ポンプ室部） 71…排気孔 712…掃除ピン ８…加圧ピン 81…プランジャ部（プランジャ部材）The drawings show an embodiment of the pressure casting apparatus according to the present invention, and FIG. 1 is a sectional view. 2 and 3 are views for explaining the operation of this apparatus, and FIG. 3 is a sectional view taken along line III-III in FIG. M ... Mold body 4 ... Casting space 7 ... Pump chamber member (pump chamber portion) 71 ... Exhaust hole 712 ... Cleaning pin 8 ... Pressurizing pin 81 ... Plunger portion (plunger member)
Claims (2)
室部を前記鋳型本体の鋳造空間に開口させ、前記ポンプ
室部にプランジャ部材を前記鋳型本体の外側から進退可
能に嵌挿するとともに前記鋳型本体に排気孔を形成し、
この排気孔を介して前記ポンプ室部を鋳型本体の外空間
に開放した加圧鋳造装置において、 前記排気孔を前記ポンプ室部に向かって斜め下方に配置
するとともにこの排気孔に掃除ピンを進退可能に嵌挿し
たことを特徴とする加圧鋳造装置。1. A mold body is provided with a pump chamber, the pump chamber is opened in a casting space of the mold body, and a plunger member is inserted into the pump chamber so as to be able to move forward and backward from the outside of the mold body. Forming an exhaust hole in the mold body,
In a pressure casting apparatus in which the pump chamber portion is opened to the outer space of the mold body through the exhaust hole, the exhaust hole is arranged obliquely downward toward the pump chamber portion, and a cleaning pin is moved back and forth in the exhaust hole. A pressure casting device characterized by being inserted as much as possible.
したことを特徴とする特許請求の範囲第１項記載の加圧
鋳造装置。2. The pressure casting apparatus according to claim 1, wherein the pump chamber is installed in the center of the mold body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63191452A JPH0825005B2 (en) | 1988-07-31 | 1988-07-31 | Pressure casting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63191452A JPH0825005B2 (en) | 1988-07-31 | 1988-07-31 | Pressure casting equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0241753A JPH0241753A (en) | 1990-02-09 |
| JPH0825005B2 true JPH0825005B2 (en) | 1996-03-13 |
Family
ID=16274866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63191452A Expired - Fee Related JPH0825005B2 (en) | 1988-07-31 | 1988-07-31 | Pressure casting equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0825005B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108746542A (en) * | 2018-05-07 | 2018-11-06 | 宋雯 | One kind having high-strength aluminum alloy wheel hub rheo-extrusion cast form mold |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5896912A (en) * | 1995-04-27 | 1999-04-27 | Hayes Wheels International, Inc. | Method and apparatus for casting a vehicle wheel in a pressurized mold |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55120465A (en) * | 1979-03-06 | 1980-09-16 | Hitachi Metals Ltd | Pressure casting device |
| JPS5677057A (en) * | 1979-11-26 | 1981-06-25 | Toyota Motor Corp | Air escaping method in die at filling of molten metal |
-
1988
- 1988-07-31 JP JP63191452A patent/JPH0825005B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108746542A (en) * | 2018-05-07 | 2018-11-06 | 宋雯 | One kind having high-strength aluminum alloy wheel hub rheo-extrusion cast form mold |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0241753A (en) | 1990-02-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| LAPS | Cancellation because of no payment of annual fees |