JPH045294Y2 - - Google Patents
Info
- Publication number
- JPH045294Y2 JPH045294Y2 JP1986178884U JP17888486U JPH045294Y2 JP H045294 Y2 JPH045294 Y2 JP H045294Y2 JP 1986178884 U JP1986178884 U JP 1986178884U JP 17888486 U JP17888486 U JP 17888486U JP H045294 Y2 JPH045294 Y2 JP H045294Y2
- Authority
- JP
- Japan
- Prior art keywords
- purging
- chute
- pressure air
- resin
- molten resin
- 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
- Injection Moulding Of Plastics Or The Like (AREA)
Description
【考案の詳細な説明】 〔産業上の利用分野〕 本考案は射出成形機及び押出成形機に関する。[Detailed explanation of the idea] [Industrial application field] The present invention relates to an injection molding machine and an extrusion molding machine.
従来、射出成形機等の原料樹脂の交替、色替に
際しては、パージングを行つている。通常射出成
形機のパージングに際しては、例えば特願昭59−
50545号の様にスクリユや加熱シリンダ及びノズ
ルの内面に付着した交替前に使用していた樹脂を
取除くために、新しく置き換える樹脂、或いは洗
浄剤等を加熱シリンダ内に送り込み、回転・射出
を繰返し、加熱シリンダ内の滞留樹脂を押出す。
パージングによつて押出された溶融樹脂は、ノズ
ルの下方の受け皿で、自然空冷によつて通常直径
200mm〜300mm程度の塊にした後、作業者が引つか
き棒で数回にわたり、取り除いている。
Conventionally, purging is performed when changing the raw resin or color of an injection molding machine or the like. For example, when purging an injection molding machine,
As in No. 50545, in order to remove the resin used before replacement that adhered to the inner surface of the screw, heating cylinder, and nozzle, the new resin or cleaning agent, etc. to be replaced is fed into the heating cylinder, and rotation and injection are repeated. , extrude the residual resin in the heating cylinder.
The molten resin extruded by purging is placed in a saucer below the nozzle, where it is naturally cooled to a diameter of
After cutting into chunks of about 200mm to 300mm, workers remove them several times with a pulling bar.
前記の如く、パージング樹脂塊をパージング中
に数回にわたり取り除く必要があり、作業者はパ
ージング中に成形機から離れることができない
し、受け皿にたまつた樹脂塊を取り除くという煩
らわしさがある。
As mentioned above, it is necessary to remove the purging resin lump several times during purging, the operator cannot leave the molding machine during purging, and there is the trouble of removing the resin lump accumulated in the saucer. .
本考案は従来の問題点を解決するために提案す
るもので、ダイヘツドに回動可能に取付けられる
パージング用溶融樹脂を受け止めるシユートと、
同シユートを傾斜状態に保持する止め金具と、上
記シユートの端部に取付けた高圧エア分岐マニホ
ールドとを有し、射出成形機又は押出成形機のノ
ズルの先端を上記シユートの幅寸法内に位置さ
せ、かつ開放状態にてパージング動作を行うと共
に、同パージング動作と同期して上記高圧エア分
岐マニホールドからエアを吹き出しパジング用溶
融樹脂を冷却しつつ、吹き落とす様にしたことを
特徴とするパージング樹脂処理装置である。
This invention is proposed to solve the conventional problems, and includes a chute that is rotatably attached to the die head and receives the molten resin for purging.
It has a stopper for holding the chute in an inclined state, and a high-pressure air branch manifold attached to the end of the chute, and the tip of the nozzle of an injection molding machine or extrusion molding machine is positioned within the width dimension of the chute. A purging resin treatment characterized in that a purging operation is performed in an open state, and air is blown from the high-pressure air branch manifold in synchronization with the purging operation to cool and blow off the molten resin for purging. It is a device.
〔作用〕
射出成形機等のノズルから空中へ押出されたパ
ージング用溶融樹脂をシユートで受け止め、高圧
エア分岐マニホールドから吹き出すエアにより溶
融樹脂はシユート上を滑り落ち、所定の受け箱に
自然に落ち込む。[Function] The molten resin for purging extruded into the air from the nozzle of an injection molding machine, etc. is received by the chute, and the molten resin slides on the chute by the air blown out from the high-pressure air branch manifold, and falls naturally into a predetermined receiving box.
（構成）
本考案を射出成形機のパージング樹脂処理に適
用した場合について説明する。
(Structure) A case will be described in which the present invention is applied to purging resin treatment of an injection molding machine.
１； シユート…ダイヘツド２に対して段付ボル
ト３を中心に回動可能に、一端がダイヘツド
２に固定されたブロツク４の上に乗ることに
より水平が保たれる。他端にはパージング
時、樹脂を受け止めるために傾けた時、傾斜
状態が保持できるよう止め金具５（ダイヘツ
ド２に回転可能に支持されている。）で引掛
けるためのピン６が固定されている。1; Shute: The chute is rotatable about the shoulder bolt 3 relative to the die head 2, and is maintained horizontally by riding on a block 4 whose one end is fixed to the die head 2. A pin 6 is fixed to the other end for hooking with a stopper 5 (rotatably supported by the die head 2) so that the inclined state can be maintained when the die head is tilted to catch the resin during purging. .
なお、第３図の様にシユート１はパージン
グ操作時にノズル１４から押出された溶融樹
脂１６が当該可能に当て板用折り曲げ部１ａ
を有する。 In addition, as shown in FIG. 3, the chute 1 is arranged so that the molten resin 16 extruded from the nozzle 14 during the purging operation is connected to the bent part 1a for the backing plate.
has.
７； 高圧エア分岐ブロツク…シユート１の上面
の一端に固定されており、エア供給口８から
１個又は複数個の吹出し口９に導通してい
る。図示せぬ高圧エア供給源にエアバルブを
介して接続されている。7; High-pressure air branch block: is fixed to one end of the upper surface of the chute 1, and communicates from the air supply port 8 to one or more blow-off ports 9. It is connected to a high-pressure air supply source (not shown) via an air valve.
10； 受け箱…シユート１から落下してくるパー
ジング用溶融樹脂を収納するもの。10; Receiving box: This is for storing the molten resin for purging that falls from chute 1.
11； 油圧シリンダ…ダイヘツド２に一端を固定
され、他端のピストンロツド１２は、射出
ユニツト１３に連結されて、同射出ユニツ
ト１３を最後退させたのが第１図であり、
射出ユニツト１３の先端にねじ込まれたノ
ズル１４の先端は、シユート１の巾寸法内
に位置する様になつている。11; Hydraulic cylinder... One end is fixed to the die head 2, the piston rod 12 at the other end is connected to the injection unit 13, and the injection unit 13 is shown in FIG.
The tip of the nozzle 14 screwed into the tip of the injection unit 13 is positioned within the width of the chute 1.
15； 受け皿…油圧シリンダ１１の上部に位置
し、ダイヘツド２に固定されている。15; Receiver...located above the hydraulic cylinder 11 and fixed to the die head 2.
（作用）
パージング操作に入る前作業として、油圧シリ
ンダ１１により第１図の様に射出ユニツト１３を
最後退させ、次に水平に位置していたシユート１
を第３図の矢印Ａの方向に回動させ、ピン６に止
め金具５を矢印Ｂの方向に回動して引掛け、傾斜
状態を保持させる。(Function) As a work before starting the purging operation, the injection unit 13 is moved back as far as possible by the hydraulic cylinder 11 as shown in Fig. 1, and then the chute 1, which was located horizontally, is
is rotated in the direction of arrow A in FIG. 3, and the stopper 5 is rotated and hooked on the pin 6 in the direction of arrow B to maintain the tilted state.
パージング操作に入ると、ノズル１４から押出
されたパージング用溶融樹脂１６はシユート１で
受け止められると共に、パージング操作と同時に
図示しないエアバルブが作動し、高圧エアが高圧
エア分岐マニホールド７に供給され、吹出し口９
から吹出し、パージング用溶融１６はシユート１
の上面を滑り落ち、受け箱１０に収納される。 When the purging operation begins, the purging molten resin 16 extruded from the nozzle 14 is received by the chute 1, and at the same time as the purging operation, an air valve (not shown) is activated, high pressure air is supplied to the high pressure air branch manifold 7, and the blowout port 9
The melt 16 for purging is blown from the chute 1.
It slides down the top surface of the container and is stored in the receiving box 10.
尚、シユート１の全面にテフロンコーテイング
するとシユート１からの樹脂離れが良くなり、更
に滑り落ち易くなることが判明している。 It has been found that if the entire surface of the chute 1 is coated with Teflon, the resin will be more easily separated from the chute 1, making it easier to slide down.
傾斜状態を保持できるシユート１を設け、パー
ジング操作と同期してシユート１上を高圧エアが
流れる様にした為、パージング用溶融樹脂１６は
シユート１の上面を滑り落ち、受け箱１０に収納
できるようになつた。この為作業者はパージング
中に他の作業をすることが出来て、段取り作業が
短縮する。
A chute 1 that can maintain an inclined state is provided, and high-pressure air flows over the chute 1 in synchronization with the purging operation, so that the molten resin 16 for purging can slide down the top surface of the chute 1 and be stored in the receiving box 10. It became. Therefore, the operator can do other work during purging, and the setup work is shortened.
第１図は本考案の一実施例の要部の側断面図、
第２図は通常の成形状態を示す第１図の−矢
視断面図、第３図はパージング操作時のシユート
１の傾斜状態を示す第１図の−矢視断面図、
第４図は第１図の矢視図面図で、高圧エア分岐
ブロツク７の断面図でもある。
１……シユート、２……ダイヘツド、７……高
圧エア分岐ブロツク、１４……ノズル。
FIG. 1 is a side sectional view of the main parts of an embodiment of the present invention.
FIG. 2 is a sectional view taken along the - arrow in FIG. 1 showing a normal molding state, and FIG. 3 is a sectional view taken along the - arrow in FIG. 1 showing an inclined state of the chute 1 during purging operation.
FIG. 4 is a drawing taken along the arrow in FIG. 1, and is also a sectional view of the high pressure air branch block 7. 1...Chute, 2...Die head, 7...High pressure air branch block, 14...Nozzle.
Claims (1)
グ用溶融樹脂を受け止めるシユートと、同シユー
トを傾斜状態に保持する止め金具と、上記シユー
トの端部に取付けた高圧エア分岐マニホールドと
を有し、射出成形機又は押出成形機のノズルの先
端を上記シユートの幅寸法内に位置させ、かつ開
放状態にてパージング動作を行うと共に、同パー
ジング動作と同期して上記高圧エア分岐マニホー
ルドからエアを吹き出しパージング用溶融樹脂を
冷却しつつ、吹き落とす様にしたことを特徴とす
るパージング樹脂処理装置。 It has a chute that is rotatably attached to the die head and receives molten resin for purging, a stopper that holds the chute in an inclined state, and a high-pressure air branch manifold that is attached to the end of the chute. The tip of the nozzle of the extrusion molding machine is positioned within the width dimension of the above chute, and a purging operation is performed in the open state, and in synchronization with the purging operation, air is blown from the high pressure air branch manifold to dissipate the molten resin for purging. A purging resin processing device characterized by blowing off while cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986178884U JPH045294Y2 (en) | 1986-11-20 | 1986-11-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986178884U JPH045294Y2 (en) | 1986-11-20 | 1986-11-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6384321U JPS6384321U (en) | 1988-06-02 |
| JPH045294Y2 true JPH045294Y2 (en) | 1992-02-14 |
Family
ID=31121435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986178884U Expired JPH045294Y2 (en) | 1986-11-20 | 1986-11-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH045294Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI561363B (en) * | 2014-03-31 | 2016-12-11 | Ykk Corp | Injection molding machine |
-
1986
- 1986-11-20 JP JP1986178884U patent/JPH045294Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI561363B (en) * | 2014-03-31 | 2016-12-11 | Ykk Corp | Injection molding machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6384321U (en) | 1988-06-02 |
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