JPS592920Y2 - Mold equipment for gas-curing vertically split mold making machine - Google Patents
Mold equipment for gas-curing vertically split mold making machineInfo
- Publication number
- JPS592920Y2 JPS592920Y2 JP7937580U JP7937580U JPS592920Y2 JP S592920 Y2 JPS592920 Y2 JP S592920Y2 JP 7937580 U JP7937580 U JP 7937580U JP 7937580 U JP7937580 U JP 7937580U JP S592920 Y2 JPS592920 Y2 JP S592920Y2
- Authority
- JP
- Japan
- Prior art keywords
- mold
- cavity
- support plate
- plate
- gas
- 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
Links
Landscapes
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Casting Devices For Molds (AREA)
Description
【考案の詳細な説明】
本考案はガス硬化式垂直割鋳型造型機用金型装置に関す
る。[Detailed Description of the Invention] The present invention relates to a mold device for a gas-curing type vertically split mold making machine.
従来、ガス硬化式の垂直割鋳型造型機においては、キャ
ビティ内に鋳物砂を充填したあと、該鋳砂中に硬化ガス
を通気するに際して、垂直方向に通気すると、鋳型の硬
化時間が長くなるため、該鋳型に対して水平方向に硬化
ガスを通気させて硬化時間の短縮を計っていた。Conventionally, in gas-curing type vertically split mold making machines, when a curing gas is vented into the sand after filling the cavity with molding sand, if the curing gas is vented vertically, the curing time of the mold becomes longer. In order to shorten the curing time, a curing gas was passed horizontally through the mold.
しかし、これによると、鋳物砂を吹き込む際、鋳物砂と
共に吹き込まれた圧縮空気は金型側壁面に穿設された複
数個の通気孔より逃げてしまい、鋳物砂の充填性が著し
く悪くなり、そのうえ鋳型表面があらされるなどの問題
点があった。However, according to this, when molding sand is blown in, the compressed air blown in with the molding sand escapes through multiple ventilation holes drilled in the side wall of the mold, resulting in significantly poor filling properties of the molding sand. In addition, there were other problems such as the surface of the mold being exposed.
以下に、本考案の構成を実施例に基づいて説明する。The configuration of the present invention will be explained below based on examples.
１，１は左右一対の金型で、該一対の金型１はそれぞれ
ダイベース２，２に取り付けられ、該ダイベース２背面
に連結された図示されない駆動シリンダの作動により相
互に水平方向に進退可能とされている。Reference numerals 1 and 1 denote a pair of left and right molds, and the pair of molds 1 are respectively attached to die bases 2 and 2, and are movable horizontally toward and away from each other by the operation of a drive cylinder (not shown) connected to the back surface of the die bases 2. has been done.
また、該一対の金型１はそれぞれ前面に凹状の模型部１
ａを有し、かつ背面に空洞部１ｂを備えるとともに、該
模型部１ａの表面には、該模型部１ａと空洞部１ｂとを
連通ずる通気孔５が複数個それぞれ穿設され、さらに該
模型部１ａの適宜の個所には、複数個のピン孔６が各々
貫通穿設されている。Moreover, each of the pair of molds 1 has a concave model part 1 on the front surface.
a and a cavity 1b on the back surface, and a plurality of ventilation holes 5 are formed on the surface of the model part 1a to communicate the model part 1a and the cavity 1b, A plurality of pin holes 6 are formed through the portion 1a at appropriate locations.
また、各通気孔５には、空気のみを通過させるベントプ
ラグ７がその先端面を模型表面と略同−高さにされて埋
設されている。Further, in each vent hole 5, a vent plug 7 that allows only air to pass is buried with its tip end surface at approximately the same height as the model surface.
８゜８は各金型１背面の空洞部１ｂに配設された押し出
し板で、該押し出し板８には、ピン孔６に嵌挿可能な押
し出しピン９が植設され、さらに各押し出し板８の両端
部には、復帰ピン１０が取り付けられ、金型１を貫通し
て対向する金型１前面に当接可能に設けられている。Reference numeral 8°8 denotes an extrusion plate disposed in the cavity 1b on the back side of each mold 1, and an extrusion pin 9 that can be inserted into the pin hole 6 is implanted in the extrusion plate 8. Furthermore, each extrusion plate 8 Return pins 10 are attached to both ends of the return pin 10, and are provided so as to be able to penetrate through the mold 1 and come into contact with the opposing front surface of the mold 1.
１１．１１は両端部周縁にフランジ部１１ａをそれぞれ
穿設した支持板で、該支持板１１は開閉シリンダ１２の
ピストンロッド１２ａに連結されて、開閉シリンダ１２
の作動により、水平方向に進退自在に設けられている。Reference numeral 11.11 denotes a support plate having flange portions 11a perforated at both end peripheries, and the support plate 11 is connected to the piston rod 12a of the opening/closing cylinder 12, so that the opening/closing cylinder 12
It is provided so that it can freely move forward and backward in the horizontal direction by the operation of.
１３．１３は各支持板１１の前面にそれぞれ取り付けら
れた補助押し出し板で、各補助押し出し板１３の前面に
は、押し出し板８を摺動自在に貫通して前記通気７Ｌ５
に嵌挿可能な閉鎖ピン１４が通気孔５に対応する部位に
植設されており、開閉シリンダ１２の押し出し作動によ
り、該閉鎖ピン１４は支持板１１及び補助押し出し板１
３とともに前進して通気孔５に嵌挿し通気孔５を閉鎖す
るようにされている。Reference numeral 13.13 denotes an auxiliary extrusion plate attached to the front surface of each support plate 11. On the front surface of each auxiliary extrusion plate 13, the ventilation plate 7L5 is inserted through the extrusion plate 8 so as to be slidable.
A closing pin 14 that can be inserted into the air hole 5 is implanted in a portion corresponding to the ventilation hole 5, and the closing pin 14 is inserted into the supporting plate 11 and the auxiliary pushing plate 1 by the pushing operation of the opening/closing cylinder 12.
3 and is inserted into the ventilation hole 5 to close the ventilation hole 5.
また、開閉シリンダ１２の縮引作動により、閉鎖ピン１
４は通気孔５から脱出して通気孔５を解散するとともに
、一方、支持板１１はそのフランジ部ｊ１ａ背面を、ダ
イベース２内周面に設けられたシール部材１５に気密状
に圧接され、硬化ガスが漏れないような構成とされてい
る。Also, due to the retracting operation of the opening/closing cylinder 12, the closing pin 1
4 escapes from the vent hole 5 and dissolves the vent hole 5, and at the same time, the back surface of the support plate 11 with its flange portion j1a is hermetically pressed against the sealing member 15 provided on the inner peripheral surface of the die base 2, and the support plate 11 is hardened. It is designed to prevent gas from leaking.
１６．１６は金型１の上面に設けられた鋳物砂吹込口で
ある。16. 16 is a molding sand blowing port provided on the upper surface of the mold 1.
１７．１７は各金型１の下面に前記空洞部１ｂに連通し
て穿設された排気孔で、該排気孔１７にはベントプラグ
１Ｂがその先端面を模型下面と略同−高さにされて埋設
されている。Reference numeral 17.17 is an exhaust hole bored in the lower surface of each mold 1 so as to communicate with the cavity 1b, and a vent plug 1B is installed in the exhaust hole 17 so that its tip surface is at approximately the same height as the lower surface of the model. It has been buried.
１９は硬化ガスの排出口（又は供給口）で、該排出口（
又は供給口）１９は金型１下面に空洞部１ｂに連通しで
穿設されている。19 is a curing gas exhaust port (or supply port);
A supply port 19 is bored in the lower surface of the mold 1 so as to communicate with the cavity 1b.
このように構成されたものの作動について説明する。The operation of the device configured in this way will be explained.
図示されない駆動シリンダを作動して、金型１，１を閉
じて復帰ピン１０．１０を位置決めしたあと、開閉シリ
ンダ１２，１２を押し出し作動して、支持板１１，１１
及び補助押し出し板１’３．１３をそれぞれ前進させて
、閉鎖ピン１４を通気孔５に嵌挿して通気孔５を閉鎖ピ
ン１４によって閉鎖するとともに、鋳物吹込口１６，１
６より該金型１のキャビティ内に鋳物砂を吹き込むと、
圧縮空気はベントプラグ１８、排気孔１７を介して空洞
部１ｂを経て外部に排出され、鋳物砂は該キャビティ内
に充填され、その後者開閉シリンダ１２を逆作動して、
支持板１１及び補助押し出し板１３をそれぞれ後退させ
るとともに、通気孔５から閉鎖ピン１４を脱出させて通
気孔５を解放し、一方支持板１１のフランジ部１１ａ背
面をダイベース２内面のシール部材１５に圧着して空洞
部１ｂを気密状に封鎖し、そして供給孔１９より硬化ガ
スを供給すると、硬化ガスは凹部１ ｂ、通気孔５及び
ベントプラグ７を介してキャビティ内の鋳砂中を通過し
て、該鋳砂を硬化させたあと、ベントプラグ７、通気孔
５及び空洞部１ｂを経て排出口１９から図示されない脱
臭処理装置に排出される（第２図参照）。After operating the drive cylinder (not shown) to close the molds 1, 1 and positioning the return pin 10.10, the opening/closing cylinders 12, 12 are pushed out and operated, and the support plates 11, 11
and the auxiliary push-out plates 1'3 and 13 are advanced respectively, and the closing pin 14 is inserted into the vent hole 5 to close the vent hole 5 with the closing pin 14, and the casting inlet 16,1 is closed.
When molding sand is blown into the cavity of the mold 1 from 6,
The compressed air is discharged to the outside via the vent plug 18 and the exhaust hole 17 through the cavity 1b, the molding sand is filled into the cavity, and the opening/closing cylinder 12 is reversely operated.
While retracting the support plate 11 and the auxiliary push-out plate 13, the closing pin 14 is removed from the vent hole 5 to open the vent hole 5, while the back surface of the flange portion 11a of the support plate 11 is attached to the sealing member 15 on the inner surface of the die base 2. When the cavity 1b is sealed airtight by crimping and a curing gas is supplied from the supply hole 19, the curing gas passes through the casting sand in the cavity via the recess 1b, the vent hole 5 and the vent plug 7. After the casting sand is hardened, it is discharged from the outlet 19 through the vent plug 7, the vent hole 5, and the cavity 1b to a deodorizing device (not shown) (see FIG. 2).
然る後、図示されない駆動シリンダを作動して、左右の
金型１を相互に後退させるとともに、一方の開閉シリン
ダ１２を押し出し作動して、支持板１１及び補助押し出
し板１３を介して押し出しピン９を模型部１ａ表面に突
出させて、金型１面に耐着した鋳型を剥離して外方に取
り出し、以後前記操作を繰り返す。Thereafter, a drive cylinder (not shown) is operated to move the left and right molds 1 backward relative to each other, and one of the open/close cylinders 12 is operated to push out the push-out pin 9 via the support plate 11 and the auxiliary push-out plate 13. is made to protrude from the surface of the model part 1a, and the mold adhered to one surface of the mold is peeled off and taken out to the outside, and the above-mentioned operation is repeated thereafter.
なお、硬化ガスをキャビティ内の鋳物砂中を通気させる
際、硬化ガスが鋳物砂吹込口１６がら逃げないように、
板部材（図示せず）等で鋳物砂吹込口１６を閉鎖するよ
うにすれば、より一層効果的に該キャビティ内の鋳物砂
は硬化されるものである。In addition, when passing the hardening gas through the molding sand in the cavity, to prevent the hardening gas from escaping through the molding sand blowing port 16,
If the molding sand inlet 16 is closed with a plate member (not shown) or the like, the molding sand in the cavity will be hardened even more effectively.
要するに、本考案はダイベースの前面にその前側部に模
型部を備え、かつ上面に該模型部に通じる鋳物砂吹込口
を、該模型部の底部位置に（劣背面に連通ずる排気孔を
夫々備えた垂直割金型を気密状に固着して、該垂直割金
型の背面に空洞部を形成するとともに、該金型の模型表
面に該空洞部に連通ずる通気孔を穿設し、また該空洞部
内に押し出し板を内設するとともに、該空洞部内におけ
る押し出し板径方位置には、前記ダイベースの内面に圧
着して該空洞部を気密状に閉鎖する支持板を水平方向に
移動自在に設け、さらに該支持板の前面に補助押し出し
板を着脱自在に取り付け、該補助押し出し板に前記押し
出し板を貫通して前記通気孔に嵌挿可能な閉鎖ピンを植
設した構成としたので、圧縮空気とともに吹き込まれた
鋳物砂は金型キャビティ内の隅々まで充填され、さらに
鋳型表面もあらされることなく良好な鋳型が生産される
などの効果を発揮するものである。In short, the present invention includes a mold part on the front side of the die base, a molding sand blowing port communicating with the mold part on the top surface, and an exhaust hole communicating with the bottom part of the mold part (inferior surface). A vertically split mold is airtightly fixed to form a cavity on the back side of the vertically split mold, and a ventilation hole communicating with the cavity is bored on the model surface of the mold. An extrusion plate is disposed inside the cavity, and a support plate is provided at a radial position of the extrusion plate within the cavity so as to be movable in a horizontal direction for press-fitting to the inner surface of the die base to close the cavity airtightly. Furthermore, an auxiliary push-out plate is detachably attached to the front surface of the support plate, and a closing pin that penetrates the push-out plate and can be inserted into the ventilation hole is implanted in the auxiliary push-out plate, so that compressed air can be removed. The molding sand that is blown in at the same time fills every corner of the mold cavity, and also produces good molds without leaving the surface of the mold exposed.
第１図乃至第２図は本考案の実施例を示す工程図である
。
１・・・垂直割金型、１ｂ・・・空洞部、２・・・ダイ
ベース、５・・・通気孔、８・・・押し出し板、１１・
・・支持板、１３・・・補助押し出し板、１４・・・閉
鎖ピン。1 and 2 are process diagrams showing an embodiment of the present invention. DESCRIPTION OF SYMBOLS 1... Vertical split mold, 1b... Cavity part, 2... Die base, 5... Ventilation hole, 8... Extrusion plate, 11...
...Support plate, 13...Auxiliary push-out plate, 14...Closing pin.
Claims (1)
に該模型部に通じる鋳物砂吹込口を該模型部の底部位置
には背面に連通ずる排気孔を夫々備えた垂直割金型を気
密状に固着して、該垂直割金型の背面に空洞部を形成す
るとともに、該金型の前記模型部表面に、該空洞部に連
通ずる通気孔を穿設し、また該空洞部内に押し出し板を
内設するとともに、該空洞部内における押し出し板抜方
位置には、前記ダイベースの内面に圧着して該空洞部を
気密状に閉鎖する支持板を水平方向に移動自在に設け、
さらに該支持板の前面に補助押し出し板を着脱自在に取
り付け、該補助押し出し板に前記押し出し板を貫通して
前記通気孔に嵌挿可能な閉鎖ピンを植設したことを特徴
とするガス硬化式垂直割鋳型造機用金型装置。Airtightly install a vertical split mold on the front side of the die base, which has a model part on the front side, a molding sand blowing port communicating with the model part on the top surface, and an exhaust hole communicating with the back side at the bottom of the model part. A hollow part is formed on the back surface of the vertically split mold, and a ventilation hole communicating with the hollow part is formed on the surface of the model part of the mold, and the mold is extruded into the hollow part. A support plate is provided inside the cavity, and at a position where the extrusion plate is removed in the cavity, a support plate is movably provided in the horizontal direction for press-fitting to the inner surface of the die base to close the cavity in an airtight manner.
Further, an auxiliary extrusion plate is detachably attached to the front surface of the support plate, and a closing pin that penetrates the extrusion plate and can be inserted into the ventilation hole is embedded in the auxiliary extrusion plate. Mold equipment for vertical split mold making machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7937580U JPS592920Y2 (en) | 1980-06-06 | 1980-06-06 | Mold equipment for gas-curing vertically split mold making machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7937580U JPS592920Y2 (en) | 1980-06-06 | 1980-06-06 | Mold equipment for gas-curing vertically split mold making machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS573446U JPS573446U (en) | 1982-01-08 |
| JPS592920Y2 true JPS592920Y2 (en) | 1984-01-26 |
Family
ID=29441861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7937580U Expired JPS592920Y2 (en) | 1980-06-06 | 1980-06-06 | Mold equipment for gas-curing vertically split mold making machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS592920Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6093725B2 (en) * | 2014-03-11 | 2017-03-08 | ヨシワ工業株式会社 | Mold making mold |
-
1980
- 1980-06-06 JP JP7937580U patent/JPS592920Y2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS573446U (en) | 1982-01-08 |
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