JPS62227635A - Manufacture of synthetic resin coil spring - Google Patents
Manufacture of synthetic resin coil springInfo
- Publication number
- JPS62227635A JPS62227635A JP61071723A JP7172386A JPS62227635A JP S62227635 A JPS62227635 A JP S62227635A JP 61071723 A JP61071723 A JP 61071723A JP 7172386 A JP7172386 A JP 7172386A JP S62227635 A JPS62227635 A JP S62227635A
- Authority
- JP
- Japan
- Prior art keywords
- coil
- synthetic resin
- die
- tube
- extruded
- 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.)
- Granted
Links
- 229920003002 synthetic resin Polymers 0.000 title claims abstract description 17
- 239000000057 synthetic resin Substances 0.000 title claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 9
- 239000000498 cooling water Substances 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 8
- 238000001125 extrusion Methods 0.000 claims description 8
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000004804 winding Methods 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 230000004393 visual impairment Effects 0.000 description 1
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、合成樹脂製コイルスプリングの製造方法に関
する。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a method of manufacturing a synthetic resin coil spring.
（従来の技術）
・般にコイルスプリングは、線材を回転する棒体に希望
するコイルピッチで巻取り成形方法や、金型で一体成形
する方法、また押出成型機から押出した線材を、円弧吠
の凹曲面をもつ当金に押付けてコイル状に巻回成形させ
てゆく方法により製造されていた。(Conventional technology) Coil springs are generally produced by winding and forming a wire rod at a desired coil pitch on a rotating rod, by integrally molding it with a mold, or by extruding the wire rod from an extrusion molding machine by circular arcing. It was manufactured by pressing it against a metal with a concave curved surface and winding it into a coil shape.
（発明が解決しようとする問題点）
しかし、Ｉ−記の各方法によれば構造が複雑で、製作コ
ストも高く、能率的に製造しｊ！Ｉない欠点があった。(Problems to be Solved by the Invention) However, according to each of the methods described in I-, the structure is complicated, the manufacturing cost is high, and it is difficult to manufacture efficiently. I had no drawbacks.
そこで、本発明は簡易な構造により連続的に合成樹脂製
コイルスプリングを製造できる方法の提供を「１的とす
る。Therefore, one object of the present invention is to provide a method that can continuously manufacture synthetic resin coil springs with a simple structure.
（問題点を解決するための手段）
本発明は、押出成型機から押出される合成樹脂製チュー
ブに対し、ダイの出口でカッターを該チューブ周りに回
転させてコイル状に連続的に切断し、この切断されたコ
イル線条を冷却水槽を通す過程で、内部に挿嵌した当金
でコイル径を・定に規制しつつ、外部からは当金に対接
した引取りローラを当てつけ回転させ、１−記コイル線
条を引取る合成樹脂製コイルスプリングの製造方法を１
！ｉ徴とする。(Means for solving the problem) The present invention continuously cuts a synthetic resin tube extruded from an extrusion molding machine into a coil shape by rotating a cutter around the tube at the exit of a die. In the process of passing this cut coil wire through a cooling water tank, the diameter of the coil is regulated by a stopper inserted inside, and a take-up roller facing the stopper is applied from the outside and rotated. 1-Method for manufacturing a synthetic resin coil spring from which coil wires are drawn
! It is assumed to be an i symptom.
（作用）
１・、足木発明によれば、合成樹脂製チューブを押出成
形し、これをダイの出口で該チューブの引取りと連動し
てカッターでコイル状に連続的に切断するので、引取り
ローラによるチューブ引取り速度を加減するだけで所望
するコイルピッチのコイルスプリングが連続的に製造で
きる。(Function) 1. According to the Ashigi invention, a synthetic resin tube is extruded and cut continuously into a coil shape with a cutter in conjunction with the tube being taken up at the exit of a die. Coil springs with a desired coil pitch can be manufactured continuously by simply adjusting the speed at which the tube is taken up by the take-up roller.
（実施例）
以ド、本発明の詳細を図面によって説明すると、第１図
において、（１）は押出成型機であり、ダイ（２）から
所定径、所定肉厚の合成樹脂製チューブ（Ａ）が押出成
形される。押出成型機（１）の下方部には冷却水槽（３
）が設置され、ダイ（２）から出た合成樹脂装チューブ
（Ａ）が当金（４）によって内径（コイル径）を規制さ
れつつ送込まれる。また、冷却水槽（３）内には当金（
４）に対設する引取りローラ（５）が軸装され、これが
外側から合成樹脂製チューブ（Ａ）、１１：、シ＜は後
記カッターで切断されたコイル線条に接当し、その回転
によって該チューブ（Ａ）をダイ（２）から引取るよう
にしている。１・、記当金（４）は内部が空ａ−１（ｅ
）になっており、これに冷却水が圧力的に満たされ、外
面を通るＩ−記チューブ（Ａ）を内側からも冷却するよ
うに多数個のノズル穴（７）が開設されている。(Example) Hereinafter, the details of the present invention will be explained with reference to the drawings. In Fig. 1, (1) is an extrusion molding machine, and from a die (2) a synthetic resin tube (A ) is extruded. A cooling water tank (3) is located below the extrusion molding machine (1).
) is installed, and the synthetic resin-coated tube (A) coming out of the die (2) is fed in while its inner diameter (coil diameter) is regulated by the stopper (4). In addition, there is a deposit (
A take-up roller (5) opposite to 4) is mounted on a shaft, and this comes into contact with the synthetic resin tube (A) from the outside, and the coil wire cut with a cutter described later, and its rotation. The tube (A) is taken off from the die (2) by this. 1., Reserve (4) is empty inside a-1(e
), which is filled with cooling water under pressure, and has a large number of nozzle holes (7) so as to cool the tube (A) passing through the outer surface from the inside.
また、ダイ（２）の出口部の外周にＨ転軸受（８）を介
しカッター（９）が取り付けられ、これが押出されるチ
ューブ（Ａ）の周りを円周方向回転する時に、該チュー
ブを切断すべく構成される。In addition, a cutter (9) is attached to the outer periphery of the exit part of the die (2) via an H-rolling bearing (8), and when the cutter (9) rotates in the circumferential direction around the tube (A) to be extruded, the tube is cut. be configured as desired.
しかしてダイ（２）から押出される合成樹脂製チューブ
（Ａ）は」−記回転するカッター（９）により一定幅の
コイル線条（Ａ”）として連続的に切断され、回転する
引取りローラ（５）の回転速度、即ち引取り速度に応じ
てコイル線条間隔を引離され、任意のコイルピッチを有
するコイルスプリングとして冷却水槽（３）内に引取ら
れ、かつ冷却される。The synthetic resin tube (A) extruded from the die (2) is continuously cut into a coiled wire (A'') of a constant width by a rotating cutter (9), and then by a rotating take-off roller. (5) The coil wire spacing is separated according to the rotational speed, that is, the take-up speed, and the coil spring is drawn into the cooling water tank (3) as a coil spring having an arbitrary coil pitch, and is cooled.
従って、合成樹脂製チューブ（Ａ）の押出し速度、およ
び引取りローラ（５）の回転速度を夫々−・定として、
カッター（９）の回転速度を可変すれば、それに応じて
コイル線条（Ａ′）の線材幅が大小に調節でき、また引
取りローラ（５）の引取り速度を可変すればコイルピッ
チ間隔を調節できるに至る。Therefore, assuming that the extrusion speed of the synthetic resin tube (A) and the rotation speed of the take-up roller (5) are constant,
By varying the rotation speed of the cutter (9), the wire width of the coil wire (A') can be adjusted accordingly, and by varying the take-up speed of the take-up roller (5), the coil pitch interval can be adjusted accordingly. It can be adjusted.
また、製造されるコイルスプリングのコイル線条（Ａ′
）の断面形状を、例えば角形、丸形等の希望する形状に
変えたい場合は、カッター（９）による切り１１形伏を
変えれば良いので、第２図および第３図のようにカッタ
ー（９）の丸形（９ａ）（９ｂ）を適当に選定するもの
とする。In addition, the coil wire (A') of the coil spring to be manufactured is
) to a desired shape such as square or round, just change the cut 11 shape with the cutter (9), so use the cutter (9) as shown in Figures 2 and 3. ) round shapes (9a) and (9b) shall be selected appropriately.
（発明の効果）
以、ヒの説明から明らかなように本発明によれば、押出
成型機の出口にカッター、および引取り□ローラを備え
る簡単な構造をもって、連続的にコイルスプリングの製
造ができ、従ってその後にこれを適当な長さに切断する
ことによって所望長のコイルスプリングを筒中、に得る
ことができる。(Effects of the Invention) As is clear from the explanation in section (H) below, according to the present invention, coil springs can be manufactured continuously with a simple structure provided with a cutter and a take-up roller at the exit of an extrusion molding machine. Therefore, by cutting the spring to an appropriate length, a coil spring of a desired length can be obtained in the cylinder.
第１図は本発明方法を具現化したコイルスプリング製造
装置の断面図、第２図および第３図は第１図に用いるカ
ッターの兇なる月形を示す図、第４図は第２図のＩＶ−
ＩＶ線失視切断図である。
（１）・・・押出成型機、（２）・・・ダイ、（３）・
・・冷却水槽、（４）・・・当金、（５）・・・引取り
ローラ、（９）・・・カッター、（Ａ）・・・合成樹脂
製チューブ、（Ａ′）・・・コイル線条。FIG. 1 is a sectional view of a coil spring manufacturing apparatus embodying the method of the present invention, FIGS. 2 and 3 are diagrams showing the different moon shapes of the cutter used in FIG. 1, and FIG. IV-
It is an IV-line visual loss cutaway view. (1)...Extrusion molding machine, (2)...Die, (3)...
・・Cooling water tank, (4)・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・. Coiled wire.
Claims (1)
ダイの出口でカッターを該チューブ周りに回転させてコ
イル状に連続的に切断し、この切断されたコイル線条を
冷却水槽を通す過程で、内部に挿嵌した当金でコイル径
を一定に規制しつつ、外部からは当金に対接した引取り
ローラを当てつけ回転させ、上記コイル線条を引取るこ
とを特徴とする合成樹脂製コイルスプリングの製造方法
。For synthetic resin tubes extruded from extrusion molding machines,
At the exit of the die, a cutter is rotated around the tube to continuously cut it into a coil shape, and in the process of passing the cut coil wire through a cooling water tank, the diameter of the coil is kept constant with a dowel inserted inside. A method for manufacturing a synthetic resin coil spring, characterized in that the coil wire is taken off by rotating a taking-off roller that is in contact with the stopper from the outside while regulating the coil spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61071723A JPH0649342B2 (en) | 1986-03-28 | 1986-03-28 | Manufacturing method of synthetic resin coil spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61071723A JPH0649342B2 (en) | 1986-03-28 | 1986-03-28 | Manufacturing method of synthetic resin coil spring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62227635A true JPS62227635A (en) | 1987-10-06 |
| JPH0649342B2 JPH0649342B2 (en) | 1994-06-29 |
Family
ID=13468724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61071723A Expired - Fee Related JPH0649342B2 (en) | 1986-03-28 | 1986-03-28 | Manufacturing method of synthetic resin coil spring |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0649342B2 (en) |
-
1986
- 1986-03-28 JP JP61071723A patent/JPH0649342B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0649342B2 (en) | 1994-06-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |