JPH03142056A - Low-pressure casting device and low-pressure casting device for wheel for vehicle - Google Patents
Low-pressure casting device and low-pressure casting device for wheel for vehicleInfo
- Publication number
- JPH03142056A JPH03142056A JP28081889A JP28081889A JPH03142056A JP H03142056 A JPH03142056 A JP H03142056A JP 28081889 A JP28081889 A JP 28081889A JP 28081889 A JP28081889 A JP 28081889A JP H03142056 A JPH03142056 A JP H03142056A
- Authority
- JP
- Japan
- Prior art keywords
- space
- low
- casting
- pressure casting
- molten metal
- 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.)
- Granted
Links
- 238000005266 casting Methods 0.000 title claims abstract description 60
- 239000002184 metal Substances 0.000 claims abstract description 24
- 238000000465 moulding Methods 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 239000002253 acid Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は、低圧によって溶湯を鋳造空間に供給する低
圧鋳造装置、及び、この低圧鋳造によって車両用ホイー
ルを形成する車両用ホイールの低圧鋳造装置に関する。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a low-pressure casting device that supplies molten metal to a casting space under low pressure, and a low-pressure casting device for vehicle wheels that forms vehicle wheels by this low-pressure casting. Regarding.
低圧鋳造法は、溶湯に一気圧以下の加圧をかけながら鋳
型の鋳造空間に注湯するものであり、静かな注湯ができ
る等の利点を有する。The low-pressure casting method involves pouring molten metal into the casting space of a mold while applying pressure of one atmosphere or less to the molten metal, and has advantages such as quiet pouring.
しかしながら、かかる低圧鋳造法にあっては、その利点
を生かすために注湯を低圧でしなければならず、よって
、湯回りの能率が悪いという欠点を有した。However, in such a low-pressure casting method, in order to take advantage of its advantages, the pouring of the metal must be carried out at a low pressure, which has the disadvantage of poor running efficiency.
この欠点を解消するために、金型温度を高くする方法が
考えられるが、このように金型温度を高くすると溶湯の
凝固に時間がかかり、この結果、鋳造物の鋳造組織が密
にならず、よって、強い強度を有する鋳造物を得にくい
という不都合を有した。In order to overcome this drawback, a method of increasing the mold temperature can be considered, but increasing the mold temperature in this way takes time for the molten metal to solidify, and as a result, the casting structure of the casting does not become dense. Therefore, there was a problem that it was difficult to obtain a cast product having 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 disadvantages.
前記課題を達成するために、この発明に係る低圧鋳造装
置においては、
鋳型本体に鋳造空間と押湯空間とを設けるとともにこの
押湯空間を前記鋳造空間に連通させた低圧鋳造装置にお
いて、
前記鋳型本体に加圧気体流入路を設けるとともにこの流
入路を前記押湯空間に開口させたものである。In order to achieve the above object, there is provided a low pressure casting apparatus according to the present invention, in which a mold body is provided with a casting space and a feeder space, and the feeder space is communicated with the casting space, wherein the mold A pressurized gas inflow path is provided in the main body, and this inflow path is opened into the feeder space.
また、車両用ホイールの低圧鋳造装置においては、鋳型
本体にディスク成形鋳造空間とリム酸形空間と押湯空間
とを設け、この押湯空間を前記ディスク成形鋳造空間に
連通させるとともに前記リム成形空間に溶湯供給側堰を
開口させ、低圧鋳造によって車両用ホイールを鋳造する
車両用ホイールの低圧鋳造装置において、
前記鋳型本体に加圧気体流入路を設けるとともにこの流
入路を前記押湯空間に開口させたものである。In addition, in a low-pressure casting apparatus for vehicle wheels, a mold body is provided with a disc molding casting space, a limic acid molding space, and a feeder space, and the feeder space is communicated with the disc molding casting space, and the rim molding space is connected to the rim molding space. In a low-pressure casting apparatus for vehicle wheels, which casts vehicle wheels by low-pressure casting by opening a molten metal supply side weir at It is something that
この発明に係る低圧鋳造装置は上記のように構成されて
いるため、押湯空間へ加圧気体を供給し、溶湯表面を加
圧し、溶湯の湯回りを促進させることができる。Since the low-pressure casting apparatus according to the present invention is configured as described above, it is possible to supply pressurized gas to the riser space, pressurize the surface of the molten metal, and promote the circulation of the molten metal.
よって、この低圧鋳造装置を使用すれば、鋳型温度を高
くしなくても湯回りを維持できるため、鋳造Ｍｉ織の密
な鋳造物を得ることができる。Therefore, if this low-pressure casting apparatus is used, the hot water circulation can be maintained without increasing the mold temperature, and a dense casting of cast Mi weave can be obtained.
また、この発明に係る車両用ホイールの低圧鋳造装置は
上記のように構成されているため、押湯空間へ加圧気体
を供給し、ディスク成形空間の溶湯表面を加圧し、溶湯
の湯回りを促進させることができる。Furthermore, since the low-pressure casting apparatus for vehicle wheels according to the present invention is configured as described above, pressurized gas is supplied to the feeder space, pressurizes the surface of the molten metal in the disk forming space, and controls the area around the molten metal. It can be promoted.
よって、この車両用ホイールの低圧鋳造装置を使用すれ
ば、鋳型温度を高くしなくても湯回りを維持できるため
、鋳造組織の密な車両用ホイールを鋳造できる。Therefore, if this low-pressure casting apparatus for vehicle wheels is used, hot water flow can be maintained without increasing the mold temperature, so vehicle wheels with a dense casting structure can be cast.
この発明の実施例として、車両用ホイールの低圧鋳造装
置を採用し、以下、図面に基づいて説明する。EMBODIMENT OF THE INVENTION As an embodiment of the present invention, a low-pressure casting apparatus for vehicle wheels is employed, and will be described below with reference to the drawings.
第１図において、】は鋳型装置であり、下型１１と中型
１２と横型１３．１４と上型１５とを組み合わせること
により構成されている。又、２は前記鋳型装置１の鋳造
空間であり、車両用ホイールの形状をしている。この鋳
造空間２は、ディスク部形戒空間部２１とスポーク部形
成空間部２２とリム部成形空間部２３とから構成される
。１２１は入子であり、前記中型１２に突設され、前記
鋳造空間２内に延びている。この入子１２１は車両用ホ
イールの軸孔を形成するためのものである。In FIG. 1, numeral 1 indicates a molding device, which is constructed by combining a lower mold 11, a middle mold 12, horizontal molds 13, 14, and an upper mold 15. Further, 2 is a casting space of the molding device 1, which has the shape of a vehicle wheel. The casting space 2 is composed of a disk part forming space 21, a spoke part forming space 22, and a rim part forming space 23. Reference numeral 121 denotes a nest, which projects from the medium die 12 and extends into the casting space 2. This insert 121 is for forming a shaft hole of a vehicle wheel.
次に、１３１，１４１は湯道であり、前記横型１３・、
１４において側方向に延びている。この湯道１３１は堰
３．３を介して前記鋳造空間２の側部（リム部形成空間
部２３）に開口している。また、この湯道１３１．１４
１の他端は前記横型１３．１４の外側面に開口している
。５．５は補助型であり、前記横型１３．１４の外側に
密着した状態で設置されている。５１．５１はドーム状
の主空間であり、前記補助型５．５の内部に形成されて
いる。この主空間５１．５１は前記湯道１３１．１４１
に連通している。よって、主空間５１゜５１内の溶湯は
前記湯道１３１．１４１に流れ込むことができる。６１
．６１はストーク補助環であり、前記補助型５．５の下
側開口の周端縁部に当接されている。又、６２．６２は
ストへり本体であり、前記ストーク補助環６１．６１の
下側に連設されている。このストーク本体６２．６２と
前記ストーク補助環６１．６１とが一体になって通常の
「ストーク」を構成している。７は平板状のフィルター
であり、前記補助型５と前記ストク補助環６１との間に
挟持されている。なお、６前記スト一ク本体６２．６２
は溶湯保持炉６３内に導入され、溶湯Ｍを吸引可能にと
している。Next, 131 and 141 are runners, and the horizontal type 13.
It extends laterally at 14. This runner 131 opens to the side of the casting space 2 (rim forming space 23) via the weir 3.3. Also, this hot water path 131.14
The other end of the horizontal mold 13, 14 is open to the outer surface of the horizontal mold 13, 14. 5.5 is an auxiliary type, which is installed in close contact with the outside of the horizontal type 13.14. 51.51 is a dome-shaped main space, which is formed inside the auxiliary mold 5.5. This main space 51.51 is the said runner 131.141.
is connected to. Therefore, the molten metal in the main space 51.degree. 51 can flow into the runners 131, 141. 61
．． Reference numeral 61 denotes a stalk auxiliary ring, which is brought into contact with the peripheral edge of the lower opening of the auxiliary die 5.5. Further, 62.62 is a stinger main body, which is connected to the lower side of the stalk auxiliary ring 61.61. This stalk main body 62.62 and the stalk auxiliary ring 61.61 together constitute a normal "stoke". A flat filter 7 is held between the auxiliary mold 5 and the stock auxiliary ring 61. In addition, 6 the above-mentioned stroke body 62.62
is introduced into the molten metal holding furnace 63 so that the molten metal M can be sucked.
次に、第２図において、８１は環状の補助上型であり、
前記上型１５１に嵌挿されている。８２は上部入子であ
り、前記上部補助型８１の開口を覆っている。前記上部
補助型８１と前記入子８２とは前記ディスク部形戒空間
２１の上方に押湯空間Ｓを形成する。８２１は環状の空
気室であり、前記上部入子８２に形成されている。また
、８２２．８２２．・・・はベントホールであり、前記
空気室８２１の底部に形成されている。このベントホル
８２２，８２２．・・・は前記空気室８２１と前記押湯
空間Ｓとを連通している。８３は蓋体であり、前記上部
入子８２の空気室を覆っている。９は空気供給用ノズル
であり、この蓋体８３に設置されている。このノズル９
の先端は前記空気室８２１に開口している。また、この
ノズル９は空気管９１につながり、この空気管９１の途
中には流路切り換え弁９２が設置されている。この切り
換え弁９２を操作することにより、選択的に、前記空気
管９１を空気抜き流路９１１と連通させたり、又、加圧
空気流入路９１２と連通させることができる。この切り
換え弁９２を操作して、前記空気管９１を空気抜き流路
９１１に連通させれば、注湯の際に、ノズル９を介して
空気室８２１、ひいては、押湯空間Ｓの空気を抜くこと
ができる。また、切り換え弁９２を操作して、前記空気
管９１を前記加圧空気流入路９１２と連通させれば、ノ
ズル９を介して、空気室８２１、ひいては、押湯空間Ｓ
に加圧空気を供給し、溶湯の表面を加圧することができ
る。なお、前記切り換え弁９２は常態では空気管９１が
空気抜き流路９１１と連通ずるように設定され、溶湯が
鋳造空間２内に所定量充填されたことをセンサ（図示せ
ず）によって感知した場合に、前記加圧空気流路９１２
に連通ずるように作動する。Next, in FIG. 2, 81 is an annular auxiliary upper mold;
It is fitted into the upper mold 151. Reference numeral 82 denotes an upper insert, which covers the opening of the upper auxiliary mold 81. The upper auxiliary mold 81 and the insert 82 form a riser space S above the disc-shaped space 21. 821 is an annular air chamber, which is formed in the upper insert 82. Also, 822.822. ... is a vent hole, which is formed at the bottom of the air chamber 821. This vent hole 822, 822. ... communicates the air chamber 821 with the feeder space S. A lid 83 covers the air chamber of the upper insert 82. Reference numeral 9 denotes an air supply nozzle, which is installed on this lid body 83. This nozzle 9
The tip thereof opens into the air chamber 821. Further, this nozzle 9 is connected to an air pipe 91, and a flow path switching valve 92 is installed in the middle of this air pipe 91. By operating this switching valve 92, the air pipe 91 can be selectively communicated with the air vent passage 911 or with the pressurized air inflow passage 912. By operating this switching valve 92 to connect the air pipe 91 to the air vent passage 911, the air in the air chamber 821 and, by extension, the feeder space S can be vented through the nozzle 9 during pouring. Can be done. Moreover, if the switching valve 92 is operated and the air pipe 91 is communicated with the pressurized air inflow path 912, the air chamber 821 is connected to the feeder space S through the nozzle 9.
The surface of the molten metal can be pressurized by supplying pressurized air to the molten metal. Note that the switching valve 92 is normally set so that the air pipe 91 communicates with the air vent passage 911, and when a sensor (not shown) senses that a predetermined amount of molten metal has been filled into the casting space 2, , the pressurized air flow path 912
It operates in such a way that it communicates with the
（発明の効果〕
この発明に係る低圧鋳造装置においては、鋳型本体に鋳
造空間と押湯空間とを設けるとともにこの押湯空間を前
記鋳造空間に連通させた低圧鋳造装置において、
前記鋳型本体に加圧気体流入路を設けるとともにこの流
入路を前記押湯空間に開口させたため、押湯空間へ加圧
気体を供給し、溶湯表面を加圧し、溶湯の湯回りを促進
させることができる。(Effects of the Invention) In the low-pressure casting apparatus according to the present invention, the mold body is provided with a casting space and a feeder space, and the feeder space is communicated with the casting space. Since a pressurized gas inflow path is provided and this inflow path is opened into the feeder space, pressurized gas can be supplied to the feeder space, pressurize the surface of the molten metal, and promote the circulation of the molten metal.
よって、この低圧鋳造装置を使用すれば、鋳型温度を高
くしなくても湯回りを維持できるため、鋳造組織の密な
鋳造物を得ることができる。又、低圧鋳造にもかかわら
ず鋳出しマークを形成が容易にできる。Therefore, if this low-pressure casting apparatus is used, the hot water flow can be maintained without increasing the mold temperature, and a cast product with a dense casting structure can be obtained. Furthermore, casting marks can be easily formed despite low-pressure casting.
また、車両用ホイールの低圧鋳造装置においては、鋳型
本体にディスク成形鋳造空間とリム成形空間と押湯空間
とを設け、この押湯空間を前記ディスク成形鋳造空間に
連通させるとともに前記リム成形空間に溶湯供給用基を
開口させ、低圧鋳造によって車両用ホイールを鋳造する
車両用ホイールの低圧鋳造装置において、
前記鋳型本体に加圧気体流入路を設けるとともにこの流
入路を前記押湯空間に開口させたため、押湯空間へ加圧
気体を供給し、ディスク威形空間の溶湯表面を加圧し、
溶湯の湯回りを促進さセることかできる。In addition, in a low-pressure casting apparatus for vehicle wheels, a mold body is provided with a disc molding casting space, a rim molding space, and a feeder space, and the feeder space is communicated with the disc molding and casting space, and the rim molding space is connected to the rim molding space. In a low-pressure casting device for a vehicle wheel, which casts a vehicle wheel by low-pressure casting by opening a molten metal supply base, the mold body is provided with a pressurized gas inflow path, and this inflow path is opened into the feeder space. , supply pressurized gas to the riser space, pressurize the surface of the molten metal in the disc space,
It is possible to accelerate the circulation of molten metal.
よって、この車両用ホイールの低圧鋳造装置を使用すれ
ば、リム形成空間部に堰を設けたにも関わらず、鋳型温
度を高くしなくても湯回りを維持できるため、鋳造＆Ｕ
織の密な車両用ホイールを鋳造できる。Therefore, if this low-pressure casting equipment for vehicle wheels is used, even though a weir is provided in the rim forming space, the hot water circulation can be maintained without increasing the mold temperature, resulting in improved casting & U.
It is possible to cast vehicle wheels with dense weave.
第１図はこの発明に係る低圧鋳造装置の実施例の断面図
、
第２図は第１図における■部の拡大断面図である。
１ ・・・
１３１、１４１
２ ・・・
２１ ・・・
２３ ・・・
３ ・・・
Ｓ ・・・
８２２ ・・・
鋳型袋Ｗ（鋳型本体）
・・・ 湯道
鋳造空間
ディスク部形成鋳造空間
リム形部底空間
堰
押湯空間
ベントホール（加圧気体流入路）FIG. 1 is a cross-sectional view of an embodiment of a low-pressure casting apparatus according to the present invention, and FIG. 2 is an enlarged cross-sectional view of the section ■ in FIG. 1 ... 131, 141 2 ... 21 ... 23 ... 3 ... S ... 822 ... Mold bag W (mold body) ... Runway casting space Disc part forming casting space Rim-shaped part bottom space weir feeder space vent hole (pressurized gas inflow path)
Claims (2)
もにこの押湯空間を前記鋳造空間に連通させた低圧鋳造
装置において、 前記鋳型本体に加圧気体流入路を設けるとともにこの流
入路を前記押湯空間に開口させたことを特徴とする低圧
鋳造装置。(1) In a low-pressure casting apparatus in which a mold body is provided with a casting space and a feeder space, and the feeder space is communicated with the casting space, the mold body is provided with a pressurized gas inflow path and the inflow path is connected to the mold body. A low-pressure casting device characterized in that the feeder space is opened.
間と押湯空間とを設け、この押湯空間を前記ディスク形
成鋳造空間に連通させるとともに前記リム形成空間に溶
湯供給用堰を開口させ、低圧鋳造によって車両用ホィー
ルを鋳造する車両用ホィールの低圧鋳造装置において、 前記鋳型本体に加圧気体流入路を設けるとともにこの流
入路を前記押湯空間に開口させたことを特徴とする車両
用ホィールの低圧鋳造装置。(2) a mold body is provided with a disk forming casting space, a rim forming space and a riser space, the feeder space is communicated with the disk forming casting space, and a molten metal supply weir is opened in the rim forming space; A low-pressure casting device for vehicle wheels that casts vehicle wheels by low-pressure casting, characterized in that the mold body is provided with a pressurized gas inflow path and this inflow path is opened into the riser space. low pressure casting equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1280818A JP3012881B2 (en) | 1989-10-28 | 1989-10-28 | Low pressure casting method and low pressure casting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1280818A JP3012881B2 (en) | 1989-10-28 | 1989-10-28 | Low pressure casting method and low pressure casting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03142056A true JPH03142056A (en) | 1991-06-17 |
| JP3012881B2 JP3012881B2 (en) | 2000-02-28 |
Family
ID=17630408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1280818A Expired - Fee Related JP3012881B2 (en) | 1989-10-28 | 1989-10-28 | Low pressure casting method and low pressure casting device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3012881B2 (en) |
Cited By (9)
| 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 |
| US5954113A (en) * | 1995-08-28 | 1999-09-21 | Eisenwerk Bruehl Gmbh | Method for producing light metal castings and casting mold for carrying out the method |
| JP2007260754A (en) * | 2006-03-29 | 2007-10-11 | Asahi Tec Corp | Casting mold, cast product, method for making casting mold, and casting method |
| CN102029377A (en) * | 2010-12-08 | 2011-04-27 | 何丙军 | Low-pressure casting die of aluminium alloy wheel and casting method thereof |
| CN104889361A (en) * | 2015-06-03 | 2015-09-09 | 天津市航宇金属加工有限公司 | Low-pressure casting die for shells of transfer cases of automobiles |
| WO2016062364A1 (en) * | 2014-10-21 | 2016-04-28 | Baumgartner Heinrich G | Vertical gas-pressure casting machine |
| CN107520428A (en) * | 2017-08-31 | 2017-12-29 | 昆山六丰机械工业有限公司 | A kind of low pressure casting wheel hub dead head automatically removes device |
| CN108526412A (en) * | 2018-06-07 | 2018-09-14 | 贵州华煜丰车轮制造有限公司 | A kind of wheel hub casting mould with a plurality of running channel |
| CN120715168A (en) * | 2025-08-26 | 2025-09-30 | 江苏卡斯美特节能科技有限公司 | A riser device for improving casting defects of heat-resistant cast steel products |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109622922A (en) * | 2019-01-31 | 2019-04-16 | 重庆长安汽车股份有限公司 | A kind of casting device |
-
1989
- 1989-10-28 JP JP1280818A patent/JP3012881B2/en not_active Expired - Fee Related
Cited By (10)
| 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 |
| US5954113A (en) * | 1995-08-28 | 1999-09-21 | Eisenwerk Bruehl Gmbh | Method for producing light metal castings and casting mold for carrying out the method |
| EP0793554B1 (en) * | 1995-08-28 | 2000-02-23 | Eisenwerk Brühl GmbH | Method of producing light metal castings and casting mould for carrying out the method |
| JP2007260754A (en) * | 2006-03-29 | 2007-10-11 | Asahi Tec Corp | Casting mold, cast product, method for making casting mold, and casting method |
| CN102029377A (en) * | 2010-12-08 | 2011-04-27 | 何丙军 | Low-pressure casting die of aluminium alloy wheel and casting method thereof |
| WO2016062364A1 (en) * | 2014-10-21 | 2016-04-28 | Baumgartner Heinrich G | Vertical gas-pressure casting machine |
| CN104889361A (en) * | 2015-06-03 | 2015-09-09 | 天津市航宇金属加工有限公司 | Low-pressure casting die for shells of transfer cases of automobiles |
| CN107520428A (en) * | 2017-08-31 | 2017-12-29 | 昆山六丰机械工业有限公司 | A kind of low pressure casting wheel hub dead head automatically removes device |
| CN108526412A (en) * | 2018-06-07 | 2018-09-14 | 贵州华煜丰车轮制造有限公司 | A kind of wheel hub casting mould with a plurality of running channel |
| CN120715168A (en) * | 2025-08-26 | 2025-09-30 | 江苏卡斯美特节能科技有限公司 | A riser device for improving casting defects of heat-resistant cast steel products |
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