JPH05138717A - Method and device for manufacturing extruded foamy body - Google Patents
Method and device for manufacturing extruded foamy bodyInfo
- Publication number
- JPH05138717A JPH05138717A JP3302058A JP30205891A JPH05138717A JP H05138717 A JPH05138717 A JP H05138717A JP 3302058 A JP3302058 A JP 3302058A JP 30205891 A JP30205891 A JP 30205891A JP H05138717 A JPH05138717 A JP H05138717A
- Authority
- JP
- Japan
- Prior art keywords
- foam
- extruded
- cooling
- tubular body
- cylindrical body
- 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.)
- Pending
Links
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Molding Of Porous Articles (AREA)
Abstract
Description
【0001】[0001]
【産業上の利用分野】本発明は、発泡体を押出発泡成形
するときに用いられる押出発泡体の製造方法及び装置に
関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and an apparatus for producing an extruded foam used in extrusion foam molding of a foam.
【0002】[0002]
【従来の技術】押出発泡体は、押出発泡直後の冷却され
ていない状態では、少々の移送抵抗でも変形するので、
図3に示す通り、押出機5から押出された発泡体1は、
複数のロール18上を移送されながら空冷により冷却さ
れ、引取機3で引取られた後、巻取機4に巻取られてい
る。2. Description of the Related Art Extruded foams are deformed even with a slight transfer resistance in an uncooled state immediately after extrusion foaming.
As shown in FIG. 3, the foam 1 extruded from the extruder 5 is
While being transferred on the plurality of rolls 18, it is cooled by air cooling, is taken up by the take-up machine 3, and is then taken up by the take-up machine 4.
【0003】[0003]
【発明が解決しようとする課題】ところで押出発泡体
は、完全に冷却せずに巻取機に巻取ると、巻取られた押
出発泡体が収縮して、巻取後に押出発泡体が変形するの
で、冷却工程で完全に発泡体を冷却する必要がある。By the way, if the extruded foam is wound up on a winder without being completely cooled, the wound extruded foam contracts and the extruded foam deforms after winding. Therefore, it is necessary to completely cool the foam in the cooling step.
【0004】しかし上記の冷却方法では、冷却効果が少
なく、特に押出発泡体は断熱体であるため、完全に冷却
するのに時間がかかり、冷却装置の長さを長くするか,
或いは押出発泡体の押出速度を下げるか、する必要があ
った。However, in the above cooling method, the cooling effect is small, and in particular, since the extruded foam is a heat insulator, it takes time to completely cool it, so that the length of the cooling device must be increased.
Alternatively, it was necessary to reduce or reduce the extrusion rate of the extruded foam.
【0005】しかし冷却装置の長さを長くするとスペー
ス上の問題が生じ、押出速度を下げれば、生産性を低下
させる等の問題が生じる。そのため完全に冷却していな
い押出発泡体を一旦長尺品としてから、自然冷却により
完全に冷却して、小巻きの製品としていた。However, when the length of the cooling device is increased, a space problem occurs, and when the extrusion speed is decreased, there is a problem that productivity is decreased. Therefore, the extruded foam that has not been completely cooled is once made into a long product, and then completely cooled by natural cooling to obtain a small rolled product.
【0006】しかし自然冷却により完全に冷却する方法
では、自然冷却するための大きなスペースが必要とされ
る。本発明は、上記の点に鑑み、押出発泡体の冷却工程
の省スペース化を図ることができる冷却効果の大きい押
出発泡体の製造方法及び装置を提供することを目的とす
る。However, the method of completely cooling by natural cooling requires a large space for natural cooling. In view of the above points, an object of the present invention is to provide a method and an apparatus for manufacturing an extruded foam which has a large cooling effect and can save space in the step of cooling the extruded foam.
【0007】[0007]
【課題を解決するための手段】本発明の押出発泡体の製
造方法は、押出機から押出された発泡体を、発泡体の移
送速度に対応して回転される筒状体の外表面に巻き付
け、該筒状体の外表面上を螺旋状に発泡体を移送させな
がら発泡体を冷却することを特徴とするものである。According to the method for producing an extruded foam of the present invention, a foam extruded from an extruder is wound around an outer surface of a cylindrical body which is rotated in accordance with the transfer speed of the foam. It is characterized in that the foam is cooled while being spirally transferred on the outer surface of the tubular body.
【0008】また本発明の押出発泡体の製造装置は、内
部に冷却水の循環経路を有し、回転可能な筒状体と、該
筒状体と連動して回転される送りガイドとを備えた冷却
装置を備えていることを特徴とするものである。Further, the apparatus for producing an extruded foam of the present invention has a cooling water circulation path inside, and is provided with a rotatable cylindrical body and a feed guide which is rotated in conjunction with the cylindrical body. It is characterized by having a cooling device.
【0009】筒状体の形状としては、冷却中の発泡体の
収縮を吸収できる寸法に、(例えば直径1m、横幅2m
程度の筒状体では、発泡体の巻き始めの筒状体の直径よ
り巻き終わりの筒状体の直径の方が3%程度小さくなる
寸法に)筒状体を形成しておくのが望ましい。The shape of the tubular body is such that the shrinkage of the foamed body during cooling can be absorbed (for example, diameter 1 m, width 2 m).
It is desirable to form a tubular body having a size such that the diameter of the tubular body at the end of winding is about 3% smaller than the diameter of the tubular body at the beginning of winding the foam.
【0010】また筒状体は金属製とし、抵抗を減らすた
めに表面にクロムメッキ或いはテフロン被覆をしておく
のが望ましい。また発泡体を筒状体に無理なく巻き付け
るために筒状体の大きさは、直径1m以上とするのが望
ましい。さらに筒状体は歪みがでないように充分に熱処
理しておくのが望ましい。Further, it is desirable that the tubular body is made of metal and that its surface is plated with chrome or coated with Teflon to reduce resistance. Further, in order to wind the foam around the tubular body without difficulty, it is desirable that the tubular body has a diameter of 1 m or more. Furthermore, it is desirable that the tubular body be sufficiently heat-treated so that it is not distorted.
【0011】[0011]
【作用】発泡体が筒状体の外表面上を螺旋状に移動され
るので、筒状体との接触時間が長くなり、冷却効果が大
きくなる。Since the foam is spirally moved on the outer surface of the tubular body, the contact time with the tubular body is extended and the cooling effect is increased.
【0012】また筒状体が発泡体の移送速度に対応して
回転されるので、発泡体に無理な外力がかからず、発泡
体が変形されることなく冷却される。また送りガイドに
より発泡体が筒状体の外表面上をずれることなく螺旋状
に移送される。Further, since the tubular body is rotated in accordance with the transfer speed of the foam, the foam is cooled without being deformed by applying an unreasonable external force to the foam. Further, the feed guide allows the foam to be spirally transferred on the outer surface of the tubular body without being displaced.
【0013】[0013]
【実施例】本発明を以下の図面の実施例により説明す
る。図1は本発明の押出発泡体の製造方法及び装置の一
実施例の概略工程図であり、図2は本発明に用いられる
冷却装置の一実施例の概略平面図である。DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described with reference to the following embodiments of the drawings. FIG. 1 is a schematic process drawing of one embodiment of the method and apparatus for manufacturing extruded foam of the present invention, and FIG. 2 is a schematic plan view of one embodiment of a cooling device used in the present invention.
【0014】1は押出機5から押出された発泡体であ
り、2は冷却装置である。なお6は検出器、3は引取
機、4は巻取機である。冷却装置2は、筒状体7と送り
ガイド8とを備えている。1 is a foam extruded from the extruder 5, and 2 is a cooling device. 6 is a detector, 3 is a take-up machine, and 4 is a take-up machine. The cooling device 2 includes a tubular body 7 and a feed guide 8.
【0015】筒状体7は、一辺の直径1.2m、他辺の
直径1.16m、横幅2mの金属ロールで、内部に冷却
水11の循環経路を有し、抵抗を減らすために表面がク
ロムメッキされている。またモーター12により回転可
能とされ、回転軸13には回転管継手14,15が取り
付けられている。The cylindrical body 7 is a metal roll having a diameter of 1.2 m on one side, a diameter of 1.16 m on the other side, and a lateral width of 2 m. The cylindrical body 7 has a circulation path for the cooling water 11 inside and has a surface for reducing resistance. It is chrome plated. Further, it is rotatable by a motor 12, and rotary pipe joints 14 and 15 are attached to a rotary shaft 13.
【0016】送りガイド8は、チェインコンベア9と羽
根板10とからなっている。羽根板10はチェインコン
ベア9に取着されており、チェインコンベア9は図示し
ないモーターにより駆動されている。またチェインコン
ベア9は筒状体7の外表面と平行に取り付けられてい
る。The feed guide 8 comprises a chain conveyor 9 and a blade 10. The blade 10 is attached to the chain conveyor 9, and the chain conveyor 9 is driven by a motor (not shown). The chain conveyor 9 is attached parallel to the outer surface of the tubular body 7.
【0017】羽根板10の間隔は製品径(20〜50m
m)に合わせて調整され、先端の製品に触れる部分は抵
抗を減らすためにテフロン被覆されている。また送りガ
イド8は、筒状体7が1回転する毎に羽根板10が1ピ
ッチづつ送られるように、筒状体7の回転と連動して駆
動されている。The interval between the blades 10 is the product diameter (20 to 50 m).
Adjusted to m), the tip contacting part is Teflon coated to reduce resistance. The feed guide 8 is driven in conjunction with the rotation of the tubular body 7 so that the blade plate 10 is fed by one pitch each time the tubular body 7 makes one revolution.
【0018】冷却水11は回転管継手14から冷却体7
内に入り、回転管継手15から排出される。また必要に
応じて図2の想像線で示すように冷風槽16を設けて冷
風17を冷風槽16内に送り込むようにしてもよい。こ
のようにすれば冷却効果をさらに向上させることができ
る。The cooling water 11 flows from the rotary pipe joint 14 to the cooling body 7.
It enters inside and is discharged from the rotary pipe joint 15. If necessary, the cold air tank 16 may be provided as shown by the imaginary line in FIG. 2 so that the cold air 17 is sent into the cold air tank 16. By doing so, the cooling effect can be further improved.
【0019】発泡体1の冷却は次のように行われる。押
出機5から押出され、検出器6で外径が検出され、引取
機3で引取られた発泡体1は、図2のX矢印方向から冷
却装置2の筒状体7に巻き付けられる。巻き付けられた
発泡体1は、筒状体7の回転と、送りガイド8の羽根板
10の横ずれ防止により、筒状体7上を螺旋状に移送さ
れながら冷却される。所定温度に冷却された発泡体1
は、Y矢印方向に送り出されて巻取機4に巻取られる。Cooling of the foam 1 is performed as follows. The foam 1 extruded from the extruder 5, the outer diameter of which is detected by the detector 6, and taken by the take-up machine 3 is wound around the tubular body 7 of the cooling device 2 in the direction of the arrow X in FIG. The wound foam body 1 is cooled while being spirally transferred on the tubular body 7 by the rotation of the tubular body 7 and the lateral displacement prevention of the blade plate 10 of the feed guide 8. Foam 1 cooled to a predetermined temperature
Is sent out in the Y-arrow direction and wound up by the winder 4.
【0020】[0020]
【発明の効果】発泡体が筒状体の外表面上を螺旋状に移
送されるので、筒状体との接触時間が長くなり、冷却効
果が大きくなる。Since the foam is spirally transferred on the outer surface of the tubular body, the contact time with the tubular body is extended and the cooling effect is increased.
【0021】また筒状体が発泡体の移送速度に対応して
回転されるので、発泡体に無理な外力がかからず、さら
に送りガイドにより発泡体が筒状体の外表面上をずれる
ことなく螺旋状に移送されるので、発泡体を変形させる
ことなく冷却することができる。Further, since the tubular body is rotated in accordance with the transfer speed of the foamed body, an unreasonable external force is not applied to the foamed body, and further the foamed body is displaced on the outer surface of the tubular body by the feed guide. Since it is transferred in a spiral shape without being deformed, the foam can be cooled without being deformed.
【0022】従って押出発泡体の冷却工程の省スペース
化を図ることができる。Therefore, it is possible to save space in the cooling process of the extruded foam.
【図1】本発明の押出発泡体の製造方法及び装置の一実
施例の概略工程図である。FIG. 1 is a schematic process drawing of an example of a method and an apparatus for producing an extruded foam of the present invention.
【図2】本発明に用いられる冷却装置の一実施例の概略
平面図である。FIG. 2 is a schematic plan view of an embodiment of a cooling device used in the present invention.
【図3】従来の押出発泡体の製造装置の概略工程図であ
る。FIG. 3 is a schematic process diagram of a conventional extruded foam manufacturing apparatus.
1 発泡体 2 冷却装置 3 引取機 4 巻取機 5 押出機 6 検出器 7 筒状体 8 送りガイド 9 チェインコンベア 10 羽根板 11 冷却水 12 モーター 14,15 回転管継手 16 冷風槽 17 冷風 1 Foam 2 Cooling Device 3 Take-up Machine 4 Winding Machine 5 Extruder 6 Detector 7 Cylindrical 8 Feed Guide 9 Chain Conveyor 10 Vane Plate 11 Cooling Water 12 Motor 14, 15 Rotating Pipe Joint 16 Cold Air Tank 17 Cold Air
Claims (2)
の移送速度に対応して回転される筒状体の外表面に巻き
付け、該筒状体の外表面上を螺旋状に発泡体を移送させ
ながら発泡体を冷却することを特徴とする押出発泡体の
製造方法。1. A foam extruded from an extruder is wound around an outer surface of a cylindrical body that is rotated in accordance with a transfer speed of the foam, and the foam is spirally formed on the outer surface of the cylindrical body. A method for producing an extruded foam, which comprises cooling the foam while transporting the foam.
能な筒状体と、該筒状体と連動して回転される送りガイ
ドとを備えた冷却装置を備えていることを特徴とする押
出発泡体の製造装置。2. A cooling device having a cooling water circulation path inside and comprising a rotatable cylindrical body and a feed guide rotated in conjunction with the cylindrical body. Extruded foam manufacturing equipment.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3302058A JPH05138717A (en) | 1991-11-18 | 1991-11-18 | Method and device for manufacturing extruded foamy body |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3302058A JPH05138717A (en) | 1991-11-18 | 1991-11-18 | Method and device for manufacturing extruded foamy body |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH05138717A true JPH05138717A (en) | 1993-06-08 |
Family
ID=17904412
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3302058A Pending JPH05138717A (en) | 1991-11-18 | 1991-11-18 | Method and device for manufacturing extruded foamy body |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH05138717A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100403846B1 (en) * | 2001-02-08 | 2003-11-05 | 임문수 | Cooler of sheet-type rubber meterial |
CN103709430A (en) * | 2012-09-28 | 2014-04-09 | 住友橡胶工业株式会社 | Method for manufacturing tubular foam rubber, conductive roller and image forming apparatus |
-
1991
- 1991-11-18 JP JP3302058A patent/JPH05138717A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100403846B1 (en) * | 2001-02-08 | 2003-11-05 | 임문수 | Cooler of sheet-type rubber meterial |
CN103709430A (en) * | 2012-09-28 | 2014-04-09 | 住友橡胶工业株式会社 | Method for manufacturing tubular foam rubber, conductive roller and image forming apparatus |
JP2014070161A (en) * | 2012-09-28 | 2014-04-21 | Sumitomo Rubber Ind Ltd | Method for producing cylindrical foam rubber, conductive roller and image forming device |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS6038138A (en) | Production unit for double wall type spiral thermoplastic pipe | |
CN111231194B (en) | Forming equipment and forming process of polyethylene film | |
US4112034A (en) | Biaxial film process and rotary apparatus therefor | |
CN114603841A (en) | Film production process | |
US3217361A (en) | Stretching mechanism for blown films | |
JPH06506883A (en) | Manufacturing method of joint pipe | |
US20040016503A1 (en) | Apparatus and method for producing a coated wire or other elongated article | |
JPH05138717A (en) | Method and device for manufacturing extruded foamy body | |
US3180909A (en) | Process and apparatus for forming tubular films and the like | |
EP0305605A1 (en) | Method and apparatus for producing mesh film | |
EP0846547B1 (en) | Method and apparatus for continuously curving thermoplastic shrinkable tubular casings | |
US4324755A (en) | Process for putting a lip on a thick-walled tube of flexible material, and apparatus for practicing same | |
JPS58184012A (en) | Manufacture of curved profile | |
US3635634A (en) | Apparatus for manufacturing tubular films of thermoplastic resins | |
US4134958A (en) | Method of manufacturing corrugated tubing of polytetrafluorethylene | |
JPH09323104A (en) | Manufacture of copper bus bar, copper bar or the like and device therefor | |
JPS63114623A (en) | Method and device for cooling melting film | |
CN209869199U (en) | Polyethylene pipe cooling device | |
US4421709A (en) | High capacity polymer quenching on thin shell wheels | |
WO2000056518A1 (en) | Method and apparatus for extruding a thick walled pipe | |
US3346920A (en) | External cooling device for extruded tubing | |
JPH05104155A (en) | Manufacture of bent product of extruded material | |
JP2001062945A (en) | Spiral paper tube manufacturing device | |
JP3152956B2 (en) | Method and apparatus for producing ultra-high molecular weight polyethylene film | |
JPS6348694B2 (en) |