JPS6317559Y2 - - Google Patents
Info
- Publication number
- JPS6317559Y2 JPS6317559Y2 JP1983035441U JP3544183U JPS6317559Y2 JP S6317559 Y2 JPS6317559 Y2 JP S6317559Y2 JP 1983035441 U JP1983035441 U JP 1983035441U JP 3544183 U JP3544183 U JP 3544183U JP S6317559 Y2 JPS6317559 Y2 JP S6317559Y2
- Authority
- JP
- Japan
- Prior art keywords
- mixing
- mixer
- mold
- injection pipe
- feeding chamber
- 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
- 239000000463 material Substances 0.000 claims description 25
- 238000002347 injection Methods 0.000 claims description 19
- 239000007924 injection Substances 0.000 claims description 19
- 239000007921 spray Substances 0.000 claims description 15
- 239000011236 particulate material Substances 0.000 claims description 8
- 238000000465 moulding Methods 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000000071 blow moulding Methods 0.000 claims 1
- 238000005507 spraying Methods 0.000 claims 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 15
- 239000004576 sand Substances 0.000 description 11
- 238000009415 formwork Methods 0.000 description 7
- 239000003795 chemical substances by application Substances 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005266 casting Methods 0.000 description 3
- 238000004898 kneading Methods 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- 102100025490 Slit homolog 1 protein Human genes 0.000 description 1
- 101710123186 Slit homolog 1 protein Proteins 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007849 furan resin Substances 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
Landscapes
- Casting Devices For Molds (AREA)
Description
【考案の詳細な説明】
本考案は、粒子状材料と結合材料とを混練して
なる鋳型形成材料を模型上に吹付充填する吹付造
型装置に関するものである。[Detailed Description of the Invention] The present invention relates to a spray molding apparatus that sprays and fills a model with a mold forming material made by kneading a particulate material and a bonding material.
従来より、けい砂などの粒子状材料と粘結材や
硬化材などの結合材材料を混練機にて混練してな
る鋳型形成材料を圧縮空気にて模型上に吹付充填
する吹付造型法が提案されている。本考案は、こ
の吹付造型法に使用される吹付造型機に関し、そ
の目的とするところは、吹付充填作業（造形作
業）を自動化して、生産性、作業性を大幅に向上
せしめた吹付造型機を提供することにある。 Conventionally, a spray molding method has been proposed in which a mold forming material made by kneading particulate materials such as silica sand and binding materials such as caking agents and hardening agents in a kneading machine is sprayed onto a model using compressed air. has been done. The present invention relates to a spray molding machine used in this spray molding method, and its purpose is to automate the spray filling work (modeling work) and significantly improve productivity and workability. Our goal is to provide the following.
すなわち本案は、粒子状材料と結合材料とを混
合して鋳型形成材料を調整する混合機と、該鋳型
形成材料を模型が装着された型枠中に吹付充填す
る噴射管とからなる吹付造型装置において、
前記混合機を横置型とし、
該混合機の混合トラフ内に混合軸を回転可能に
支承し、該混合軸に複数の混合羽根又はパドルを
着脱可能に止着し、前記混合トラフの先端部を漏
斗状の排出口とし、
該排出口に、環状送給室と該送給室内に設けら
れた前記混合トラフ側が大径入口で反対側が小径
出口の漏斗状の通路とからなり、該通路の周壁に
該小径出口方向に向つて開口した還状スリツトを
開設すると共に、環状送給室に圧力気体供給源を
接続したブースタを配設し、
該ブースタに前記噴射管を連設し、
該噴射管に前記型枠の開口部に対向した複数の
噴射口部を開設した
ことを特徴とする吹付造型装置に関するものであ
る。 In other words, the present invention is a spray molding device that includes a mixer that mixes a particulate material and a binding material to prepare a mold forming material, and an injection pipe that sprays and fills the mold forming material into a mold in which a model is attached. , the mixer is of a horizontal type, a mixing shaft is rotatably supported in a mixing trough of the mixer, a plurality of mixing blades or paddles are removably fixed to the mixing shaft, and a tip of the mixing trough is attached to the mixing shaft. The part is a funnel-shaped discharge port, and the discharge port is comprised of an annular feeding chamber and a funnel-shaped passage provided in the feeding chamber, with a large-diameter inlet on the side of the mixing trough and a small-diameter outlet on the opposite side, and the passage A circular slit opening toward the small-diameter outlet is provided in the peripheral wall of the fuel cell, and a booster connected to a pressure gas supply source is provided in the annular feeding chamber, and the injection pipe is connected to the booster. The present invention relates to a spray molding apparatus characterized in that a plurality of injection ports are provided in the injection pipe and are opposed to the openings of the mold.
添付図面は本考案装置の一実施態様例を示し、
第１図は概略平面図、第２図は一部縦断側面図で
ある。 The accompanying drawings show an example of an embodiment of the device of the present invention,
FIG. 1 is a schematic plan view, and FIG. 2 is a partially longitudinal side view.
以下、本考案装置を有機自硬性鋳型に適用した
場合について述べるが、本考案はこれに限定され
るものではなく、無機自硬性鋳型をはじめ種々の
鋳型プロセスに適用し得るものである。 Hereinafter, a case will be described in which the device of the present invention is applied to an organic self-hardening mold, but the present invention is not limited thereto, and can be applied to various mold processes including inorganic self-hardening molds.
第１図及び第２図において、１は架台２上にほ
ぼ水平方向に延出して固設された混合機であり、
この混合機１の混合トラフ３内には混合軸４が回
転可能に支承されている。混合軸４は一端におい
て電動機などの回転駆動源５に接続されていると
ともに、多数の混合羽根もしくはパドル６が着脱
可能に止着されている。７は混合トラフ３の一端
に配備された供給シユートであり、この供給シユ
ート７はロータリーバルブなどの定量供給機構
（図示せず）を介してけい砂などの粒子状材料が
貯留されたタンク（図示せず）に接続されてい
る。８及び９は粘結材や硬化材などの結合材材料
を混合トラフ３内に送入するための結合材材料送
入機構で配管１０，１１及び電磁弁１２，１３を
介して結合材材料供給源（図示せず）に接続され
ている。混合トラフ３の先端部は垂直断面積の漸
減した漏斗状に形成されており、ここには接続フ
ランジ１４を介してブースタ１５が配設されてい
る。このブースタ１５は、漏斗状の通路の周壁部
に出口方向に向つて開口した環状のスリツト１６
を開設するとともに環状の送給室１７及び送給管
１８を介して圧縮空気などの圧力気体供給源（図
示せず）に接続してなるものであり、スリツト１
６から圧力気体を噴射するようにしたものであ
る。 In FIGS. 1 and 2, 1 is a mixer fixedly installed on a pedestal 2 extending substantially horizontally;
A mixing shaft 4 is rotatably supported within the mixing trough 3 of the mixer 1. The mixing shaft 4 is connected at one end to a rotational drive source 5 such as an electric motor, and has a number of mixing blades or paddles 6 removably attached thereto. 7 is a supply chute provided at one end of the mixing trough 3, and this supply chute 7 is connected to a tank (see figure) in which particulate material such as silica sand is stored via a constant supply mechanism (not shown) such as a rotary valve. (not shown). 8 and 9 are binding material feed mechanisms for feeding binding material such as caking material and hardening material into the mixing trough 3, which supply the binding material through piping 10, 11 and electromagnetic valves 12, 13. connected to a power source (not shown). The tip of the mixing trough 3 is formed in the shape of a funnel with a vertical cross-sectional area that gradually decreases, and a booster 15 is arranged here via a connecting flange 14. This booster 15 has an annular slit 16 opened toward the outlet in the peripheral wall of the funnel-shaped passage.
The slit 1 is connected to a pressure gas supply source (not shown) such as compressed air through an annular feeding chamber 17 and a feeding pipe 18.
Pressure gas is injected from 6.
１９は混合トラフ３の先端部に接続フランジ２
０を介して連設された噴射管であり、この噴射管
１９は模型２１が装着された型枠２２の上方に対
向配置されるとともに型枠２２の開口部２２′に
向けて複数の噴射口部２３を穿設してなるもので
あり、その終端部は端板２４により封止されてい
る。なお、この噴射口部２３は均一な吹付充填を
可能とするためにその開口率を変化することが望
ましい。 19 is a connecting flange 2 to the tip of the mixing trough 3.
This injection pipe 19 is arranged facing above the formwork 22 on which the model 21 is mounted, and has a plurality of injection ports toward the opening 22' of the formwork 22. It is formed by drilling a section 23, and the terminal end thereof is sealed by an end plate 24. Note that it is desirable that the aperture ratio of the injection port 23 is changed in order to enable uniform spray filling.
その他、図中、２５は模型定盤、２６はローラ
コンベヤなどの搬送装置であり、２７は混合トラ
フ３の後端部に適宜設けられて混合トラフ３の底
壁部に沿つて圧力気体を噴射する圧力気体噴射口
である。 In addition, in the figure, 25 is a model surface plate, 26 is a conveyance device such as a roller conveyor, and 27 is appropriately installed at the rear end of the mixing trough 3 to inject pressurized gas along the bottom wall of the mixing trough 3. It is a pressurized gas injection port.
次に作用について説明する。 Next, the effect will be explained.
回転駆動軸５を駆動して混合機１の混合軸４を
回転させるとともに、供給シユート７を介して粒
子状材料を混合トラフ３内へ連続供給する。 The rotary drive shaft 5 is driven to rotate the mixing shaft 4 of the mixer 1, and the particulate material is continuously fed into the mixing trough 3 via the feed chute 7.
一方、結合材材料送入機構８，９を介してフラ
ン樹脂やフエノール樹脂などから形成される粘結
材や硬化材などの結合材材料を混合トラフ３内へ
注入し、これら粒子状材料と結合材料とが混合羽
根もしくはパドル６によつて撹拌、混合され、鋳
型形成材料が生成され、混合トラフ３の先端排出
口に送られる。ここで鋳型形成材料はブースタ１
５のスリツト１６から噴射される圧力気体によつ
て加速され、噴射管１９へと圧送されて複数の噴
射口部２３から、すでに噴射管１９の下方に搬送
されて来ている型枠２２の開口部へ向けて一斉に
噴射されて模型２１の表面に吹付充填されるので
ある。 On the other hand, a binder material such as a caking agent or a hardening agent made of furan resin or phenolic resin is injected into the mixing trough 3 via the binder material feeding mechanisms 8 and 9, and combined with these particulate materials. The materials are stirred and mixed by a mixing vane or paddle 6 to produce a mold forming material, which is sent to the distal end of the mixing trough 3. Here, the mold forming material is booster 1
The opening of the formwork 22 that has already been accelerated by the pressure gas injected from the slit 16 of No. The surface of the model 21 is sprayed and filled with it.
第１，２図に示す例においては型枠２２が搬送
装置２６上を順次Ａ矢印方向に搬送され（第１図
参照）、この間に鋳型形成材料が噴射口部２３か
ら連続的に噴射されて模型２１の全表面が第２図
に示すような肌砂層Ｆにより吹付充填される。こ
のようにして肌砂層Ｆの形成が完了すると、ブー
スタ１５からの圧力気体の送給を一時停止すると
ともに、次位の型枠２２が搬送されて来ると圧力
気体の送給を再開して上記と同様に吹付充填がな
されるのである。一方、肌砂層Ｆが形成された型
枠２２は搬送装置２６上を次工程へと搬送され、
上記と同様な噴射管の噴射口部から噴射される鋳
型形成材料によつて上記と同様にして裏砂層が形
成されるのである。この場合の鋳型形成材料は裏
砂用として予め調整されていることは言うまでも
ない。なお、この裏砂層形成は上記のような吹付
充填が好適であるが、通常の流し込み充填でも差
しつかえない。 In the example shown in FIGS. 1 and 2, the mold 22 is sequentially conveyed on the conveying device 26 in the direction of arrow A (see FIG. 1), and during this time, the mold forming material is continuously injected from the injection port 23. The entire surface of the model 21 is spray-filled with a sand layer F as shown in FIG. When the formation of the sand layer F is completed in this way, the supply of pressurized gas from the booster 15 is temporarily stopped, and when the next formwork 22 is conveyed, the supply of pressurized gas is restarted and the above-mentioned Spray filling is done in the same way. On the other hand, the formwork 22 on which the sand layer F has been formed is transported to the next process on the transport device 26,
The backing sand layer is formed in the same manner as described above by the mold forming material injected from the injection port of the injection pipe similar to that described above. It goes without saying that the mold forming material in this case has been prepared in advance for backing sand. It should be noted that while spray filling as described above is suitable for forming this backing sand layer, ordinary pouring filling may also be used.
こうして肌砂層、裏砂層が形成された鋳型に対
して順次通常の鋳造作業がなされるのである。 In this way, normal casting operations are sequentially performed on the mold in which the skin sand layer and the back sand layer have been formed.
以上詳述した本考案装置によれば、次のような
効果を奏することができる。 According to the device of the present invention described in detail above, the following effects can be achieved.
吹付充填作業が自動化され、鋳造作業の省人
化を達成し得る。 The spray filling operation is automated, and labor saving in casting operations can be achieved.
鋳造作業の生産性、作業性が著しく向上す
る。 Productivity and workability of casting work are significantly improved.
噴射管の複数の噴射口部から一斉に鋳型形成
材料が噴射され、均一で充填密度の高い肌砂層
を迅速に形成できる。 The mold forming material is injected all at once from the plurality of injection ports of the injection pipe, and a uniform sand layer with high packing density can be quickly formed.
第１図は本考案装置の一実施態様例を示す概略
平面図、第２図は第１図の一部縦断側面図であ
る。
１……混合機、７……粒子状材料供給シユー
ト、８，９……結合材材料供給機構、１５……ブ
ースタ、１９……噴射管、２１……模型、２２…
…型枠、２２′……型枠の開口部、２３……噴射
口部。
FIG. 1 is a schematic plan view showing an embodiment of the device of the present invention, and FIG. 2 is a partially vertical side view of FIG. 1. DESCRIPTION OF SYMBOLS 1... Mixer, 7... Particulate material supply chute, 8, 9... Binding material supply mechanism, 15... Booster, 19... Injection pipe, 21... Model, 22...
... Formwork, 22'... Opening of formwork, 23... Injection port.
Claims (1)
料を調製する混合機と、該鋳型形成材料を模型が
装着された型枠中に吹付充填する噴射管とからな
る吹付造型装置において、 前記混合機を横置型とし、 該混合機の混合トラフ内に混合軸を回転可能に
支承し、該混合軸に複数の混合羽根又はパドルを
着脱可能に止着し、前記混合トラフの先端部を漏
斗状の排出口とし、 該排出口に、環状送給室と該送給室内に設けら
れた前記混合トラフ側が大径入口で反対側が小径
出口の漏斗状の通路とからなり、該通路の周壁に
該小径出口方向に向つて開口した環状スリツトを
開設すると共に、環状送給室に圧力気体供給源を
接続したブースタを配設し、 該ブースタに前記噴射管を連設し、 該噴射管に前記型枠の開口部に対向した複数の
噴射口部を開設した ことを特徴とする吹付造型装置。[Claims for Utility Model Registration] A mixer for preparing a mold forming material by mixing a particulate material and a binding material, and an injection pipe for spraying and filling the mold forming material into a mold fitted with a model. In the blow molding apparatus, the mixer is of a horizontal type, a mixing shaft is rotatably supported in a mixing trough of the mixer, a plurality of mixing blades or paddles are removably fixed to the mixing shaft, and The tip of the mixing trough is a funnel-shaped discharge port, and the discharge port is connected to an annular feeding chamber and a funnel-shaped passage provided in the feeding chamber with a large-diameter inlet on the side of the mixing trough and a small-diameter outlet on the opposite side. An annular slit opening toward the small-diameter outlet is provided in the peripheral wall of the passage, a booster connected to a pressure gas supply source is provided in the annular feeding chamber, and the injection pipe is connected to the booster. A spray molding apparatus characterized in that the injection pipe is provided with a plurality of injection ports facing the opening of the mold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3544183U JPS59143551U (en) | 1983-03-14 | 1983-03-14 | spray molding equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3544183U JPS59143551U (en) | 1983-03-14 | 1983-03-14 | spray molding equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59143551U JPS59143551U (en) | 1984-09-26 |
| JPS6317559Y2 true JPS6317559Y2 (en) | 1988-05-18 |
Family
ID=30166138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3544183U Granted JPS59143551U (en) | 1983-03-14 | 1983-03-14 | spray molding equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59143551U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4946523A (en) * | 1972-08-29 | 1974-05-04 |
-
1983
- 1983-03-14 JP JP3544183U patent/JPS59143551U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4946523A (en) * | 1972-08-29 | 1974-05-04 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59143551U (en) | 1984-09-26 |
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