JP2002059476A - Fan shroud and manufacturing method therefor - Google Patents
Fan shroud and manufacturing method thereforInfo
- Publication number
- JP2002059476A JP2002059476A JP2000246439A JP2000246439A JP2002059476A JP 2002059476 A JP2002059476 A JP 2002059476A JP 2000246439 A JP2000246439 A JP 2000246439A JP 2000246439 A JP2000246439 A JP 2000246439A JP 2002059476 A JP2002059476 A JP 2002059476A
- Authority
- JP
- Japan
- Prior art keywords
- parison
- fan shroud
- manufacturing
- die head
- fan
- 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
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明はファンシュラウド及
びその製造方法に関する。詳しくは、複雑な形状のファ
ンシュラウドを樹脂により安価に、且つ能率良く製造す
ることができるファンシュラウド及びその製造方法に関
する。The present invention relates to a fan shroud and a method for manufacturing the same. More specifically, the present invention relates to a fan shroud capable of efficiently and inexpensively manufacturing a fan shroud having a complicated shape using a resin, and a method for manufacturing the same.
【０００２】[0002]
【従来の技術】従来、図３に示す如き車両用ラジエター
のファンシュラウド１は、図４に示すような上型２及び
下型３よりなるインジェクション金型を用いて樹脂によ
りインジェクション成形されていた。2. Description of the Related Art Conventionally, a fan shroud 1 of a vehicle radiator as shown in FIG. 3 has been injection-molded with a resin using an injection mold comprising an upper mold 2 and a lower mold 3 as shown in FIG.
【０００３】[0003]
【発明が解決しようとする課題】上記従来のインジェク
ション成形によるファンシュラウドの製造方法では、図
４に示すような上型及び下型よりなるインジェクション
金型を用いて成形しているため、金型費が高く、また１
回のインジェクション成形で１個の製品しか得られず、
生産効率が悪いという問題があった。In the above-described conventional method of manufacturing a fan shroud by injection molding, since molding is performed using an injection mold including an upper mold and a lower mold as shown in FIG. Is high, and 1
Only one product can be obtained by one injection molding,
There was a problem that production efficiency was poor.
【０００４】本発明は上記従来の問題点に鑑み、製造費
が安く、且つ生産効率の良いファンシュラウド及びその
製造方法を実現することを目的とする。The present invention has been made in view of the above-mentioned conventional problems, and has as its object to realize a fan shroud which is inexpensive and has high production efficiency and a method for manufacturing the same.
【０００５】[0005]
【課題を解決するための手段】本発明の請求項１のファ
ンシュラウドの製造方法は、樹脂押出し機に接続された
ダイヘッド１０と、ファンシュラウドの外形と同一形状
のキャビティ１５を有する１対の同一形状のブロー金型
１３，１４を用い、前記ダイヘッド１０によりパリソン
１１を円筒状に押出し、該円筒状パリソン１１を前記１
対の金型１３，１４で挟み、次いでダイヘッド１０に設
けられた空気吹込み口１６よりパリソン１１内部に空気
を吹き込んで該パリソン１１を金型１３，１４のキャビ
ティ１５に密着させ、冷却後、成形されたパリソンを金
型１３，１４より取り出した後、パリソンの全周及び不
用部を切断除去して２つの同形のファンシュラウド１７
を得ることを特徴とする。また、請求項２は、前記請求
項１記載のファンシュラウドの製造方法により製造され
たことを特徴とするファンシュラウドである。According to a first aspect of the present invention, there is provided a method of manufacturing a fan shroud, comprising: a die head connected to a resin extruder; and a pair of identical die having a cavity having the same shape as the outer shape of the fan shroud. The parison 11 is extruded into a cylindrical shape by the die head 10 using blow molds 13 and 14 having the same shape.
Air is blown into the parison 11 from an air blowing port 16 provided in the die head 10 to bring the parison 11 into close contact with the cavity 15 of the dies 13 and 14, and after cooling, After the molded parison is taken out of the molds 13 and 14, the entire circumference and unnecessary portions of the parison are cut off and removed, and two identical fan shrouds 17 are formed.
It is characterized by obtaining. According to a second aspect of the present invention, there is provided a fan shroud manufactured by the method for manufacturing a fan shroud according to the first aspect.
【０００６】この構成を採ることにより金型費が安く、
且つ生産効率の良いファンシュラウド及びその製造方法
を実現することができる。[0006] By adopting this configuration, the mold cost is low.
Further, a fan shroud with high production efficiency and a method for manufacturing the same can be realized.
【０００７】[0007]
【発明の実施の形態】図１及び図２は本発明のファンシ
ュラウドの製造方法の実施の形態を説明するための図で
ある。同図において、符号１０は図示なき樹脂押出し機
に接続されたダイヘッド、１１は円筒状のパリソン、１
３，１４はファンシュラウドの外形に対応するキャビテ
イ１５が形成されたブロー金型である。1 and 2 are diagrams for explaining an embodiment of a method for manufacturing a fan shroud according to the present invention. In the figure, reference numeral 10 denotes a die head connected to a resin extruder (not shown), 11 denotes a cylindrical parison, 1
Reference numerals 3 and 14 denote blow molds in which cavities 15 corresponding to the outer shape of the fan shroud are formed.
【０００８】本実施の形態のファンシュラウドの製造方
法は、先ず、図１（ａ）に示すように、図示なき樹脂押
出し機によりダイヘッド１０を通して円筒状パリソン１
１を押し出す。次いで、図１（ｂ）に示すように、１対
のブロー金型１３，１４によりパリソン１１を挟みつけ
る。In the method for manufacturing a fan shroud according to the present embodiment, first, as shown in FIG. 1A, a cylindrical parison 1 is passed through a die head 10 by a resin extruder (not shown).
Extrude one. Next, as shown in FIG. 1B, the parison 11 is sandwiched between a pair of blow molds 13 and 14.
【０００９】次いで、図１（ｃ）に示すように、ダイヘ
ッド１０に設けられた空気吹き込み口１６よりパリソン
１１内部に空気を吹き込み、該パリソン１１を左右に膨
らませ、それぞれ金型１３，１４のキャビティ１５に密
着させる。この状態でパリソン１１が冷却した後、金型
１３，１４を開放して取り出し、取り出された成形品
は、図２（ａ）の如く、外周をＡ−Ａ線から、及び不用
部をＢ−Ｂ線、Ｃ−Ｃ線から切断することにより、図２
（ｂ）の如く２個の製品が得られる。Next, as shown in FIG. 1 (c), air is blown into the parison 11 from an air blowing port 16 provided in the die head 10 to inflate the parison 11 right and left, and the cavities of the dies 13 and 14 respectively. 15 After the parison 11 is cooled in this state, the molds 13 and 14 are opened and taken out, and the taken-out molded product is, as shown in FIG. By cutting from the B line and the CC line,
Two products are obtained as shown in (b).
【００１０】このように本実施の形態のファンシュラウ
ドの製造方法は、１度に２個の製品が得られるので生産
効率が良い。また、ブロー金型は射出成形金型に比して
高圧力が掛からないため、構造を簡単にすることがで
き、金型費は安価となる。As described above, in the method for manufacturing a fan shroud according to the present embodiment, two products can be obtained at one time, so that the production efficiency is high. Further, since a high pressure is not applied to the blow mold as compared with the injection mold, the structure can be simplified and the mold cost can be reduced.
【００１１】[0011]
【発明の効果】本発明のファンシュラウド及びその製造
方法に依れば、ブロー成形により１度に２個の製品を形
成することができ生産効率が良く、また、その金型は射
出成形金型に比して安価となり、ファンシュラウドの生
産コストの低減が可能となる。According to the fan shroud and the method of manufacturing the same of the present invention, two products can be formed at a time by blow molding, and the production efficiency is good, and the mold is an injection molding mold. And the production cost of the fan shroud can be reduced.
【図１】本発明のファンシュラウドの製造方法の実施の
形態を説明するための図である。FIG. 1 is a view for explaining an embodiment of a method for manufacturing a fan shroud of the present invention.
【図２】本発明のファンシュラウドの製造方法の実施の
形態を説明するための図である。FIG. 2 is a view for explaining an embodiment of a method for manufacturing a fan shroud of the present invention.
【図３】従来の車両用ラジエターのファンシュラウドを
示す斜視図である。FIG. 3 is a perspective view showing a fan shroud of a conventional radiator for a vehicle.
【図４】従来の射出成形金型を示す図である。FIG. 4 is a view showing a conventional injection molding die.
１０…ダイヘッド １１…パリソン １３，１４…ブロー金型 １５…キャビティ １６…空気吹込み口 １７…ファンシュラウド DESCRIPTION OF SYMBOLS 10 ... Die head 11 ... Parison 13,14 ... Blow mold 15 ... Cavity 16 ... Air blowing port 17 ... Fan shroud
Claims (2)
（１０）と、ファンシュラウドの外形と同一形状のキャ
ビティ（１５）を有する１対の同一形状のブロー金型
（１３，１４）を用い、前記ダイヘッド（１０）により
パリソン（１１）を円筒状に押出し、該円筒状パリソン
（１１）を前記１対の金型（１３，１４）で挟み、次い
でダイヘッド（１０）に設けられた空気吹込み口（１
６）よりパリソン（１１）内部に空気を吹き込んで該パ
リソン（１１）を金型（１３，１４）のキャビティ（１
５）に密着させ、冷却後、成形されたパリソンを金型
（１３，１４）より取り出した後、パリソンの全周及び
不用部を切断除去して２つの同形のファンシュラウド
（１７）を得ることを特徴とするファンシュラウドの製
造方法。1. A die head (10) connected to a resin extruder and a pair of same-shaped blow molds (13, 14) having a cavity (15) having the same shape as the outer shape of a fan shroud. The parison (11) is extruded into a cylindrical shape by the die head (10), the cylindrical parison (11) is sandwiched between the pair of molds (13, 14), and then an air blowing port provided in the die head (10). (1
6) Air is blown into the parison (11), and the parison (11) is blown into the cavity (1) of the mold (13, 14).
5) After cooling, the molded parison is taken out from the molds (13, 14), and then the entire circumference and unnecessary parts of the parison are cut off to obtain two identical fan shrouds (17). A method for producing a fan shroud, comprising:
製造方法により製造されたことを特徴とするファンシュ
ラウド。2. A fan shroud manufactured by the method for manufacturing a fan shroud according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000246439A JP2002059476A (en) | 2000-08-15 | 2000-08-15 | Fan shroud and manufacturing method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000246439A JP2002059476A (en) | 2000-08-15 | 2000-08-15 | Fan shroud and manufacturing method therefor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2002059476A true JP2002059476A (en) | 2002-02-26 |
Family
ID=18736750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000246439A Pending JP2002059476A (en) | 2000-08-15 | 2000-08-15 | Fan shroud and manufacturing method therefor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2002059476A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101052464B1 (en) * | 2008-08-06 | 2011-07-28 | 엄기형 | Manufacturing method of connector for drainage treatment structure and connector by the manufacturing method |
-
2000
- 2000-08-15 JP JP2000246439A patent/JP2002059476A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101052464B1 (en) * | 2008-08-06 | 2011-07-28 | 엄기형 | Manufacturing method of connector for drainage treatment structure and connector by the manufacturing method |
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