JPS615917A - Blow molding machine - Google Patents
Blow molding machineInfo
- Publication number
- JPS615917A JPS615917A JP12582584A JP12582584A JPS615917A JP S615917 A JPS615917 A JP S615917A JP 12582584 A JP12582584 A JP 12582584A JP 12582584 A JP12582584 A JP 12582584A JP S615917 A JPS615917 A JP S615917A
- Authority
- JP
- Japan
- Prior art keywords
- resin
- blowing
- blow molding
- blowing member
- air
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/20—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor of articles having inserts or reinforcements ; Handling of inserts or reinforcements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/58—Blowing means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/20—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor of articles having inserts or reinforcements ; Handling of inserts or reinforcements
- B29C2049/2008—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor of articles having inserts or reinforcements ; Handling of inserts or reinforcements inside the article
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/20—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor of articles having inserts or reinforcements ; Handling of inserts or reinforcements
- B29C2049/2008—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor of articles having inserts or reinforcements ; Handling of inserts or reinforcements inside the article
- B29C2049/2013—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor of articles having inserts or reinforcements ; Handling of inserts or reinforcements inside the article for connecting opposite walls, e.g. baffles in a fuel tank
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
- B29C49/04—Extrusion blow-moulding
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Blow-Moulding Or Thermoforming 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、可塑性樹脂のブロー成形装置に関する。[Detailed description of the invention] (Industrial application field) The present invention relates to a blow molding apparatus for plastic resin.
（従来の技術）
従来のブロー成形装置としては、特公昭４９−１３４９
９号公報に記載されているようなものが知られている。(Prior art) As a conventional blow molding device,
The one described in Publication No. 9 is known.
この従来のブロー成形装置は、第４図に示すように熱り
塑性樹脂を筒状にして導出させる導出装置ｌと、該導出
装置ｌより下方に向けて設けられた吹込部材６と、成形
型２と、芯材等の付属部品Ｂを支持するための前記導出
装置ｌの下方に設けられた支持棒２０と、を備えたもの
であった。As shown in FIG. 4, this conventional blow molding apparatus includes a drawing device l for drawing out thermoplastic resin in a cylindrical shape, a blowing member 6 provided downward from the drawing device l, and a mold. 2, and a support rod 20 provided below the lead-out device 1 for supporting an accessory part B such as a core material.
従って、成形を行う場合、まず、支持棒２０で付属部品
Ｂを支持させた後に、導出装置ｌより軟化状態の樹脂Ａ
を筒状態で導出させ、次に、その樹脂筒体Ａ１を成形型
２で左右から閉じ合わせて付属部品Ｂと接合させ、かつ
、吹込部材６より空気を吹込んで成形型２の凹部３に密
着させて成形し、その後、成形品Ａ２から吹込部材６及
び支持棒２０を引き抜いて成形を完了するものであった
。Therefore, when performing molding, first, after supporting the accessory part B with the support rod 20, the softened resin A is
is drawn out in a cylindrical shape, and then the resin cylindrical body A1 is closed from the left and right sides with the mold 2 to join it to the accessory part B, and air is blown from the blowing member 6 to tightly fit it into the recess 3 of the mold 2. After that, the blowing member 6 and the support rod 20 were pulled out from the molded product A2 to complete the molding.
（発明が解決しようとする問題点）
しかしながら、このような従来のブロー成形装置によれ
ば、を下に吹込部材６と支持棒２０とを有しているため
に、成形品Ａ２を取り出し難く作業性が悪いもので、ま
た、成形品Ａ２の）−ドに孔が開き、製品として見映が
悪く、その孔を隠す１間を要したりするもので、さらに
、その孔から木が入り易く、付属部品Ｂが金属である場
合には防鈷加］を必要とするもので、そのり、成形型２
には吹込部材６と支持棒２０との為の逃し溝５゜５．５
．５を上下２ケ所必要とし成形型２を形成する為の手間
がその分よけいにかかるという問題点を有するものであ
った。(Problems to be Solved by the Invention) However, according to such a conventional blow molding device, since the blow molding device has the blowing member 6 and the support rod 20 below, it is difficult to take out the molded product A2 and the work is difficult. In addition, the molded product A2 has a hole in the hole, which makes the product look bad, and it takes time to hide the hole.Furthermore, it is easy for wood to enter through the hole. , if accessory part B is made of metal, it requires fencing], and mold 2
There is a relief groove 5° 5.5 for the blowing member 6 and the support rod 20.
．． 5 is required in two places, upper and lower, and the time and effort required to form the mold 2 is increased accordingly.
（問題点を解決するための手段）
そこで、上述のような問題点を解決するために本発明は
、可塑性樹脂の成形時に、付属部品を樹１指筒体内部に
接合固定させるブロー成形装置において、前記樹脂筒体
内部に空気を吹込む吹込部材にｌ）ｈ配付Ｊｔ、部品の
固定手段を形成させたこととした。(Means for Solving the Problems) Therefore, in order to solve the above-mentioned problems, the present invention provides a blow molding apparatus that joins and fixes accessory parts to the inside of a tree finger cylinder during molding of plastic resin. , the blowing member that blows air into the resin cylinder body is provided with means for fixing the parts.
（作 用）
従って、吹込部材に形成された固定手段に付属部品を予
め固定させておき、その後、導出装置から導出された樹
脂筒体を、付属部品と伴に成形型で閉じ込んで樹脂筒体
内部に付属部品を接合させ、しかる後、吹込部材によっ
て樹脂筒内に空気を吹込み成形させ、樹脂が硬化した後
に成形型を開き、かつ、成形品を吹込部材より取り外す
ものである。(Function) Therefore, the accessory parts are fixed in advance to the fixing means formed on the blowing member, and then the resin cylinder drawn out from the lead-out device is enclosed in a mold together with the accessory parts to form the resin cylinder. The accessory parts are joined inside the body, and then air is blown into the resin cylinder by a blowing member, and after the resin has hardened, the mold is opened and the molded product is removed from the blowing member.
（実施例） 以ド１本発明の実施例を図面により詳述する。(Example) Embodiments of the present invention will now be described in detail with reference to the drawings.
尚、この実施例を述へるにあたって、従来の構成と同一
部分に同一符号を付して説明する。Incidentally, in describing this embodiment, the same parts as those in the conventional configuration will be given the same reference numerals.
まず、第１図〜第３図に示す第１実施例について、その
構成を説明する。First, the configuration of the first embodiment shown in FIGS. 1 to 3 will be explained.
ｌは導出装置であって、軟化された熱可塑性樹脂Ａを筒
の状態にして導出するものである。Reference numeral 1 denotes a deriving device which transforms the softened thermoplastic resin A into a cylinder and deduces it.
２．２は成形型であって、左右から閉じ合わせて凹部３
，３の形に樹脂を成形するもので、前記成形型２．２の
それぞれの下方には、向き合わせると後記吹込部材６の
ための逃し孔４となる逃し溝５，５が設けられている。2.2 is a mold, which is closed from the left and right to form a recess 3.
, 3, and under each of the molds 2.2, relief grooves 5, 5, which become relief holes 4 for the blowing member 6 described later when facing each other, are provided. .
６は吹込部材であって、樹脂筒体ＡＩの内部に空気を吹
込むもので、前記導出装置１のＦ部に設けられた基台７
に取付けられ、内部には空気流路８が形成され、かつ、
下端は空り、チューブ９に接続されている。Reference numeral 6 denotes a blowing member for blowing air into the resin cylindrical body AI;
is attached to, an air flow path 8 is formed inside, and
The lower end is open and connected to tube 9.
尚、１０は上部吹出［Ｊ、１１は下部吹出１」である。Note that 10 is the upper blowout [J, and 11 is the lower blowout 1''.
１２は固定手段としての段部であって、前記吹込部材６
の外周に形成されているもので、成形の際に成形品Ａ２
の内部に接合される付属部品を固定させるものである。Reference numeral 12 denotes a stepped portion as a fixing means, and the blowing member 6
It is formed on the outer periphery of molded product A2 during molding.
This is to fix the attached parts that are to be joined inside.
１３はイ）属部品Ｂとしての芯材であって、前記成形品
Ａ２の形を保ち整えるもので、前記吹込部材６のＬ部吹
出口ｌＯより吹出される空気の流れを確保し、かつ、吹
込部材６へ挿通するための挿通孔１４が開孔されている
。13 is a) a core material as part B, which maintains and adjusts the shape of the molded product A2, and ensures the flow of air blown out from the L part blowout port IO of the blowing member 6, and An insertion hole 14 for inserting into the blowing member 6 is formed.
次に、実施例の作用を説明する。Next, the operation of the embodiment will be explained.
まず、前記吹込部材６に芯材１３の挿通孔１４を挿通さ
せ段部１２で芯材１３を固定させる。First, the blowing member 6 is inserted through the insertion hole 14 of the core material 13, and the core material 13 is fixed at the stepped portion 12.
次に、導出装置１から熱によって軟化させられた樹脂Ａ
を筒状に導出させ、その後、樹脂筒体Ａ１が成形型２よ
りも下方まで導出されたところで（第１図）、前記成形
型？、２を左右から閉じ合わセ、芯材１３を樹脂筒体Ａ
１の内部に接合させる。Next, the resin A softened by heat is transferred from the deriving device 1.
is led out into a cylindrical shape, and then, when the resin cylinder A1 is led out below the mold 2 (FIG. 1), the mold ? , 2 are closed together from the left and right, and the core material 13 is inserted into the resin cylinder A.
It is joined to the inside of 1.
次に、ｒｉｉｊ記吹込部材６の上部吹出口１０と下部吹
出１−１１１とから樹脂筒体Ａｔの内部へ空気を吹込む
と、樹脂筒体Ａ１は膨張させられて成形型２．２の凹部
３．３の壁面に触れて温度が低下され、硬化するもので
ある。Next, when air is blown into the resin cylinder At from the upper air outlet 10 and the lower air outlet 1-111 of the blowing member 6, the resin cylinder A1 is expanded and filled into the recess of the mold 2.2. 3. When it touches the wall surface of 3, the temperature is lowered and it hardens.
その後、成形型２．２を開き成形品Ａ２を吹込部材６か
ら取り外して成形を終了するものである。Thereafter, the mold 2.2 is opened and the molded product A2 is removed from the blowing member 6 to complete the molding.
以」二１本発明の実施例を図面により詳述してきたが、
具体的な構成はこの実施例に限られるものではなく、本
発明の要旨を逸脱しない範囲における設計変更等があっ
ても、本発明に含まれる。Hereinafter, embodiments of the present invention have been described in detail with reference to the drawings.
The specific configuration is not limited to this embodiment, and even if there is a design change within the scope of the invention, it is included in the invention.
例えば、吹込部材６を設ける場所は基台７に限らず導出
装置ｌ側に設けてもよい。For example, the location where the blowing member 6 is provided is not limited to the base 7, but may be provided on the side of the deriving device l.
また、付属部品Ｂは芯材１３に限らず他に補強材やナツ
ト零であってもよい。Further, the accessory part B is not limited to the core material 13, but may also be a reinforcing material or a nut zero.
また、固定手段は段部１２に限らず吹出部材６の外周面
に付属部品Ｂを固定させることのできるものであればよ
い。Further, the fixing means is not limited to the stepped portion 12, but may be any other means as long as it can fix the accessory part B to the outer circumferential surface of the blowing member 6.
（発明の効果）
上述のように本発明によれば、イ＝を属部品の固定１段
を吹込部材に形成させたために、成形終了後の成形品の
取り出しか楽になり作業性が向上するもので、また、成
形品に開孔される孔の数が減って見映か良くなり、かつ
、その孔を隠す手間も減るもので、また、孔の数が減る
ことで水が侵入し難くなるもので、さらに、成形型に形
成する逃げ溝の数が減り成形型の形成の手間も減るもの
である。(Effects of the Invention) As described above, according to the present invention, since the first stage for fixing the attached parts is formed in the blowing member, it is easier to take out the molded product after molding is completed, and work efficiency is improved. In addition, the number of holes drilled in the molded product is reduced, which improves the appearance, and reduces the need to hide the holes.Furthermore, the reduced number of holes makes it difficult for water to enter. Furthermore, the number of relief grooves formed in the mold is reduced, and the effort required to form the mold is also reduced.
第１図は本発明実施例のブロー成形装置を示す断面図、
第２図は実施例装置の断面図、第３図は成形品を示す斜
視図、第４図は従来例を示す断面図である。
Ａ・・・熱０■塑性樹脂
Ａ１・・・樹脂筒体
Ｂ・・・イ・１属部品
６・・・吹込部材
１２・・段部（固定手段）
特 許 出 願 人
１］産車体株式会社FIG. 1 is a sectional view showing a blow molding apparatus according to an embodiment of the present invention;
FIG. 2 is a sectional view of the embodiment device, FIG. 3 is a perspective view of a molded product, and FIG. 4 is a sectional view of a conventional example. A...Heat 0■Plastic resin A1...Resin cylinder B...A. Part 1 part 6...Blowing member 12...Step part (fixing means) Patent applicant Person 1] Sanshatai Co., Ltd. company
Claims (1)
接合固定させるブロー成形装置において、前記樹脂筒体
内部に空気を吹込む吹込部材に前記付属部品の固定手段
を形成させたことを特徴とするブロー成形装置。1) A blow molding device for joining and fixing accessory parts inside a resin cylinder during molding of plastic resin, characterized in that a means for fixing the accessory parts is formed in a blowing member that blows air into the resin cylinder. Blow molding equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12582584A JPS615917A (en) | 1984-06-19 | 1984-06-19 | Blow molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12582584A JPS615917A (en) | 1984-06-19 | 1984-06-19 | Blow molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS615917A true JPS615917A (en) | 1986-01-11 |
Family
ID=14919870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12582584A Pending JPS615917A (en) | 1984-06-19 | 1984-06-19 | Blow molding machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS615917A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0306643A2 (en) * | 1987-09-11 | 1989-03-15 | REHAU AG + Co | Method of making a blow-moulded article |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54161670A (en) * | 1978-06-12 | 1979-12-21 | Showa Yuka Kk | Forming hollow product having insert |
| JPS5521207A (en) * | 1978-08-01 | 1980-02-15 | Kyoraku Co Ltd | Method of producing hollow plastic member |
-
1984
- 1984-06-19 JP JP12582584A patent/JPS615917A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54161670A (en) * | 1978-06-12 | 1979-12-21 | Showa Yuka Kk | Forming hollow product having insert |
| JPS5521207A (en) * | 1978-08-01 | 1980-02-15 | Kyoraku Co Ltd | Method of producing hollow plastic member |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0306643A2 (en) * | 1987-09-11 | 1989-03-15 | REHAU AG + Co | Method of making a blow-moulded article |
| DE3730488A1 (en) * | 1987-09-11 | 1989-03-23 | Rehau Ag & Co | METHOD FOR PRODUCING A BLOW MOLDED BODY |
| DE3730488C2 (en) * | 1987-09-11 | 1990-02-01 | Rehau Ag + Co, 8673 Rehau, De |
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