JPS6343066Y2 - - Google Patents
Info
- Publication number
- JPS6343066Y2 JPS6343066Y2 JP1984081200U JP8120084U JPS6343066Y2 JP S6343066 Y2 JPS6343066 Y2 JP S6343066Y2 JP 1984081200 U JP1984081200 U JP 1984081200U JP 8120084 U JP8120084 U JP 8120084U JP S6343066 Y2 JPS6343066 Y2 JP S6343066Y2
- Authority
- JP
- Japan
- Prior art keywords
- fixed flange
- die gate
- extruder
- movable die
- flange
- 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
- 238000010438 heat treatment Methods 0.000 claims description 5
- 229920005989 resin Polymers 0.000 description 6
- 239000011347 resin Substances 0.000 description 6
- 238000001125 extrusion Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
Description
【考案の詳細な説明】
(イ) 考案の分野
この考案は、熱可塑性樹脂等を加熱軟化させた
状態で押出し成形を行なう押出機に関する。[Detailed description of the invention] (a) Field of the invention This invention relates to an extruder that performs extrusion molding of a thermoplastic resin or the like in a heated and softened state.
(ロ) 考案の背景
従来の押出機は、加熱シリンダの排出側固定フ
ランジに、可動性ダイゲートを取付ける場合、固
定フランジにダイゲートを両接触させて取付けて
いた。(b) Background of the Invention In conventional extruders, when a movable die gate is attached to a fixed flange on the discharge side of a heating cylinder, the die gate is attached so that both sides of the die gate are in contact with the fixed flange.
この面接触では全面を完全に接触させることは
困難であり、局部的に極小の隙間が生じていた。 In this surface contact, it is difficult to bring the entire surface into complete contact, and extremely small gaps occur locally.
したがつて、押出成形時の圧力によつて加熱シ
リンダとストランドとの隙間より流出した樹脂
が、上述の固定フランジとダイゲートとの局部的
な隙間を介して外部に流出する問題があつた。 Therefore, there is a problem in that the resin that flows out from the gap between the heating cylinder and the strand due to the pressure during extrusion molding flows out through the local gap between the fixed flange and the die gate.
(ハ) 考案の目的
この考案は、固定フランジとダイゲートとを円
状の線接触により取付けて、該部よりの樹脂の流
出を阻止するようにした押出機の提供を目的とす
る。(c) Purpose of the invention The object of this invention is to provide an extruder in which a fixed flange and a die gate are attached through circular line contact to prevent resin from flowing out from this part.
(ニ) 考案の要約
この考案は、固定フランジと可動性ダイゲート
との対向面の円周上に対向する段部を形成し、こ
の段部において両者を円状に線接触するように構
成した押出機であることを特徴とする。(d) Summary of the invention This invention is an extrusion method in which a fixed flange and a movable die gate are formed with opposing stepped portions on the circumference of their opposing surfaces, and the two are in circular line contact at this stepped portion. It is characterized by being a machine.
(ホ) 考案の効果
この考案によれば、固定フランジと可動性ダイ
ゲートとの対向面の円周上に対向する段部を形成
したので、両者の円状の線接触手段を簡単かつ容
易にし、したがつて確実な円状線接触手段が容易
に得られ、それによつて固定フランジとダイゲー
トとの間より外部に樹脂が流出するのを防止でき
るのである。(e) Effects of the invention According to this invention, opposing step portions are formed on the circumference of the facing surfaces of the fixed flange and the movable die gate, so that the circular line contact means between the two is simple and easy. Therefore, reliable circular line contact means can be easily obtained, thereby preventing resin from flowing out from between the fixed flange and the die gate.
(ヘ) 考案の実施例
この考案の一実施例を、以下図面に基づいて詳
述する。(f) Example of the invention An example of the invention will be described below in detail based on the drawings.
図面は押出機を示し、第1図において、1は加
熱シリンダで、この加熱シリンダ1内部には樹脂
搬送用の回転スクリユ2を設け、かつ一側部には
樹脂投入口(図示せず)を設け、他側である排出
側に設けた固定フランジ3の内部にストランド4
を固定し、上記固定フランジ3に可動性ダイゲー
ト5を取付けるようにしたものである。 The drawing shows an extruder, and in FIG. 1, 1 is a heating cylinder, inside of which is a rotating screw 2 for conveying resin, and on one side is a resin inlet (not shown). A strand 4 is provided inside the fixed flange 3 provided on the other side, which is the discharge side.
is fixed, and a movable die gate 5 is attached to the fixed flange 3.
上述の固定フランジ3と可動性ダイゲート5と
の対向面の円周上に、対向する段部3aおよび5
aを設ける。 Opposing step portions 3a and 5 are provided on the circumference of the facing surfaces of the fixed flange 3 and the movable die gate 5.
Provide a.
この段部3a,5aの傾斜角度を第2図に示す
ように異ならせるか、また後述する種々の手段に
よつて、固定フランジ3にダイゲート5を接合し
た時に、両者を円状に線接触するように構成した
のである。 When the die gate 5 is joined to the fixed flange 3, the angles of inclination of the stepped portions 3a and 5a may be made different as shown in FIG. 2, or by various means described later. It was configured like this.
第3図および第4図は、上述のダイゲート5を
固定フランジ3に可動可能に取付ける手段を示す
もので、固定フランジ3の一側に突出したL型突
出部6,6間にダイゲート5の一側部に突出した
突出部7を嵌め込んで、両突出部6,7に設けた
孔にピン8を差し込んでフランジ3に対してダイ
ゲート5を水平方向に回動可能にする。 3 and 4 show means for movably attaching the die gate 5 to the fixed flange 3, in which one part of the die gate 5 is placed between the L-shaped protrusions 6, 6 protruding from one side of the fixed flange 3. The protruding part 7 protruding from the side is fitted, and the pin 8 is inserted into the hole provided in both the protruding parts 6, 7, so that the die gate 5 can be rotated in the horizontal direction with respect to the flange 3.
さらに固定フランジ3の4隅に設けた凹所9に
軸10を軸支し、この軸10に予め嵌め込んだボ
ルト11を水平方向に回動可能にする。 Furthermore, a shaft 10 is pivotally supported in recesses 9 provided at four corners of the fixed flange 3, and a bolt 11 fitted in advance into this shaft 10 is made horizontally rotatable.
固定フランジ3の各凹所9に対向する可動性ダ
イゲート5の4隅にも水平方向の凹所12を設
け、この凹所12に上述の軸10を水平回動して
嵌め込んだのち、軸10の先端部13にナツト1
4を締付けて、ダイゲート5を固定フランジ3に
固着して、両者を上述した円状の線接触により密
着するのである。 Horizontal recesses 12 are also provided at the four corners of the movable die gate 5 facing each recess 9 of the fixed flange 3, and after horizontally rotating and fitting the above-mentioned shaft 10 into these recesses 12, the shaft 10 is inserted into the recess 12. Nut 1 on the tip 13 of 10
4, the die gate 5 is fixed to the fixed flange 3, and the two are brought into close contact by the above-mentioned circular line contact.
このように、固定フランジ3と可動性ダイゲー
ト5との対向面の円周上に、対向する段部3a,
5aを形成したので、両者の円状の線接触手段を
簡単かつ安易にし、したがつて確実な円状線接触
手段が容易に得られ、それによつて固定フランジ
3とダイゲート5とが確実に密着して、その間よ
り樹脂が流出することがないのである。 In this way, on the circumference of the opposing surfaces of the fixed flange 3 and the movable die gate 5, opposing stepped portions 3a,
5a, the circular line contact means between the two can be made simple and easy, and a reliable circular line contact means can therefore be easily obtained, thereby ensuring that the fixed flange 3 and the die gate 5 are in close contact with each other. This prevents the resin from flowing out from between them.
(ヘ) 考案のその他の例
上述の実施例において、ダイゲート5の段部5
aの一部が、フランジ3の段部3aの傾斜面に当
接するようにしたが、これは第5図に示すよう
に、フランジ3の段部3aの一部がダイゲート5
の段部5aの傾斜面と当接するようにしてもよ
い。(f) Other examples of the invention In the above embodiment, the stepped portion 5 of the die gate 5
A part of the step part 3a of the flange 3 is brought into contact with the inclined surface of the step part 3a of the flange 3, as shown in FIG.
It may be made to contact the inclined surface of the step portion 5a.
さらに、この当接段部3aを第6図に示すよう
に、直角段部3bとしてもよい。 Furthermore, as shown in FIG. 6, the abutting stepped portion 3a may be a right-angled stepped portion 3b.
また、両段部を第7図に示すように、円弧周面
による段部3c,5cに形成してもよい。 Further, as shown in FIG. 7, both the stepped portions may be formed into stepped portions 3c and 5c having arcuate circumferential surfaces.
なお、段部を第8図に示すように2段式の段部
5dに形成してもよい。 Note that the stepped portion may be formed into a two-stage stepped portion 5d as shown in FIG.
上述の種々の段部を適当に組合せて用いてもよ
い。 The various stepped portions described above may be used in appropriate combinations.
図面はこの考案の実施例を示し、第1図は要部
の一部縦断側面図。第2図はその一部の拡大図。
第3図は正面図。第4図は平面図。第5図乃至第
8図は他の変形例を示す説明図である。
1……加熱シリンダ、3……固定フランジ、4
……ストランド、5……可動性ダイゲート、3
a,5a……段部。
The drawings show an embodiment of this invention, and FIG. 1 is a partially vertical side view of the main part. Figure 2 is an enlarged view of a part of it.
Figure 3 is a front view. Figure 4 is a plan view. FIGS. 5 to 8 are explanatory diagrams showing other modifications. 1... Heating cylinder, 3... Fixed flange, 4
...Strand, 5...Movable die gate, 3
a, 5a... step section.
Claims (1)
トランドを固定し、上記固定フランジに可動性ダ
イゲートを取付けるようにした押出機において、 上記固定フランジと可動性ダイゲートとの対向
面の円周上に対向する段部を形成し、この段部に
おいて両者を円状に線接触するように構成したこ
とを特徴とする 押出機。[Scope of Claim for Utility Model Registration] In an extruder in which a strand is fixed inside a fixed flange on the discharge side of a heating cylinder, and a movable die gate is attached to the fixed flange, an opposing surface between the fixed flange and the movable die gate. 1. An extruder characterized in that opposing step portions are formed on the circumference of the extruder, and the two are in circular line contact at the step portion.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1984081200U JPS60191418U (en) | 1984-05-30 | 1984-05-30 | extruder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1984081200U JPS60191418U (en) | 1984-05-30 | 1984-05-30 | extruder |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS60191418U JPS60191418U (en) | 1985-12-19 |
JPS6343066Y2 true JPS6343066Y2 (en) | 1988-11-10 |
Family
ID=30627761
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1984081200U Granted JPS60191418U (en) | 1984-05-30 | 1984-05-30 | extruder |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60191418U (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49124155A (en) * | 1972-07-25 | 1974-11-27 |
-
1984
- 1984-05-30 JP JP1984081200U patent/JPS60191418U/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49124155A (en) * | 1972-07-25 | 1974-11-27 |
Also Published As
Publication number | Publication date |
---|---|
JPS60191418U (en) | 1985-12-19 |
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