JPH10175230A - Method and apparatus for injection molding of hollow molding - Google Patents
Method and apparatus for injection molding of hollow moldingInfo
- Publication number
- JPH10175230A JPH10175230A JP33947196A JP33947196A JPH10175230A JP H10175230 A JPH10175230 A JP H10175230A JP 33947196 A JP33947196 A JP 33947196A JP 33947196 A JP33947196 A JP 33947196A JP H10175230 A JPH10175230 A JP H10175230A
- Authority
- JP
- Japan
- Prior art keywords
- mold
- molding
- fixed
- split
- rotary
- 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
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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/0053—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor combined with a final operation, e.g. shaping
- B29C45/006—Joining parts moulded in separate cavities
- B29C45/0062—Joined by injection moulding
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/16—Making multilayered or multicoloured articles
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、同一装置により
一対の分割成形品の射出成形と、二次的に射出成形した
結合部による分割成形品の一体化とを同時かつ連続的に
行って中空成形品を成形する射出成形方法及び装置に関
するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for simultaneously and continuously performing the injection molding of a pair of divided molded products by the same apparatus and the integration of the divided molded products by a secondary injection molded joint. The present invention relates to an injection molding method and apparatus for molding a molded article.
【０００２】[0002]
【発明が解決しようとする課題】一対の分割成形品の射
出成形と分割成形品の一体化とを、金型の回転を採用し
て行うことは、特開平６−１８２８０６号により既に知
られている。この成形方法では、複数の成形凹部と単数
の成形突部とをパーテング面の三方に形成した分割型
を、一方は回転自在に、他方は固定状態にそれぞれ固定
盤と可動盤とに配設し、一方の分割型を１２０°回転し
て成形凹部と成形突部の組換え及び成形凹部相互の重合
を行い、一対の分割成形品の射出成形とその分割成形品
の一体化とを同時に行うようにしている。It has been known from Japanese Patent Application Laid-Open No. 6-182806 that the injection molding of a pair of divided molded products and the integration of the divided molded products are performed by using rotation of a mold. I have. In this molding method, a split mold in which a plurality of molding recesses and a single molding protrusion are formed on three sides of a parting surface, one is rotatably provided, and the other is fixedly disposed on a fixed plate and a movable plate, respectively. Then, one of the split molds is rotated by 120 ° to perform recombination of the forming recesses and the forming protrusions and polymerization of the forming recesses, so that injection molding of a pair of split molded products and integration of the split molded products are simultaneously performed. I have to.
【０００３】このような成形方法では、一方の分割型を
往復回転して上記組換えと重合を行っている関係上、完
成された中空成形品の取出位置が２個所で、横型では高
さ位置も異なるので、ロボットの採用による完成品の取
出では、１個所の場合に比べて取出操作が複雑となる。In such a molding method, since one of the split molds is reciprocally rotated to perform the above recombination and polymerization, two hollow molded articles are taken out at two positions, and the horizontal mold is at a height position. Therefore, in the case of taking out a finished product by employing a robot, the taking-out operation is more complicated than in the case of taking out a single product.
【０００４】また分割成形品と結合部とを異なった樹脂
により多色成形する場合には、それらを成形するキャビ
ティごとに射出装置を配設することになるが、中空成形
品の完成位置が２個所となることから、結合部を含めた
キャビティ数は４となるので、それらの射出装置の配置
も必然的に４個所とならざるを得ず、また各キャビテの
配置を三方向としているために、射出装置を一線上に並
設することはできず、多数のホットランナの採用により
可能としても、その場合には金型構造が複雑となって金
型が著しく高価なものとなるなどの課題を有する。In the case where the divided molded product and the joint are formed by multi-color molding using different resins, an injection device is provided for each cavity for molding them. Since the number of cavities including the joints is 4, since the number of cavities is 4, the arrangement of those injection devices is inevitably 4 and the cavities are arranged in three directions. However, the injection devices cannot be arranged side by side, and even if it is possible by employing a large number of hot runners, in such a case, the mold structure becomes complicated and the mold becomes extremely expensive. Having.
【０００５】この発明は、上記従来の課題を解決するた
めに考えられたものであって、その目的は、分割型によ
る回転金型と固定金型との組み合わせにより、中空成形
品の分割成形と分割成形品の一体化を同時に可能となす
とともに、完成品を装置の中央部にて取り出すことがで
きる新たな中空成形品の射出成形方法と装置を提供する
ことにある。The present invention was conceived in order to solve the above-mentioned conventional problems, and an object of the present invention is to form a hollow molded product by a combination of a rotary die and a fixed die by a split die. It is an object of the present invention to provide a new injection molding method and apparatus for a hollow molded article that can simultaneously integrate divided molded articles and can take out a finished product at the center of the apparatus.
【０００６】[0006]
【課題を解決するための手段】上記目的によるこの発明
の方法は、固定盤と可動盤の対向面の両方に、二つの成
形凹部をパーティング面に並設した回転金型と、一つの
成形突部をパーティング面に設けた固定金型とを、回転
金型の一つの成形凹部が固定盤と可動盤の中央部にて互
いに重合位置し、他の一つの成形凹部が固定金型の成形
突部と重合位置して中空成形品を分割成形する一対のキ
ャビティが生ずるように交互に配置し、そのキャビティ
への樹脂の射出充填を先行して中空成形品を一次的に分
割成形し、その分割成形品を型開後にそのまま両回転金
型の回転により中央部に移動して型閉じにより互いに重
合したのち、重合周辺に形成したキャビティに樹脂を射
出充填して結合部を二次成形し、その結合部により分割
成形品を一体化して中空成形品となす、というものであ
る。SUMMARY OF THE INVENTION According to the method of the present invention, there is provided a rotating mold having two molding recesses arranged side by side on a parting surface, on both a fixed plate and a movable plate facing each other. A fixed mold with a projection provided on the parting surface is connected to a fixed mold of the rotary mold with one molding recess at the center of the fixed platen and the movable platen, and the other molding recess is formed of the fixed mold. It is arranged alternately so that a pair of cavities for dividing and molding the hollow molded product at the overlapping position with the molding protrusions, and the hollow molded product is divided and molded firstly prior to injection filling of the cavity with the resin, After the mold is opened, the split molds are moved to the center by the rotation of both rotary molds and polymerized with each other by closing the mold. After that, resin is injected and filled into the cavity formed around the polymerization, and the joint is secondarily formed. , And the divided parts are integrated by the joint Hollow molded article and form, is that.
【０００７】このような成形手段では、固定盤及び可動
盤の中央部の１個所にて中空成形品の取り出が行われる
ので、ロボットによる取り出しに際して、成形ごとに取
出位置を変更する必要がなく、通常成形と同様なロボッ
ト操作により中空成形品の取り出しを行うことができ
る。In such a forming means, since the hollow molded product is taken out at one position in the center of the fixed plate and the movable plate, it is not necessary to change the take-out position for each molding when taking out by the robot. The hollow molded article can be taken out by the same robot operation as in the normal molding.
【０００８】またこの発明の装置は、固定盤に対し進退
自在に設けた可動盤と、その両方の対向面にそれぞれ並
列にかつ対面位置を交互にずらせて配設した二組の分割
型からなり、その分割型の一方は二つの成形凹部をパー
ティング面に並設した回転金型で、一つの成形凹部が固
定盤と可動盤の中央部にて互いに重合位置するように、
固定盤と可動盤のそれぞれに設けた回転手段に中心部を
連結して回転自在に設けられ、他方は一つの成形突部を
嵌合縁により囲繞してパーティング面に設けた固定金型
で、該成形突部が嵌合縁と共に上記回転金型の他の一つ
の成形凹部と重合位置して中空成形品を分割成形する一
対のキャビティが生ずるように固定盤と可動盤のそれぞ
れに固着されて、型閉じにより形成されたキャビティへ
の樹脂の射出充填は、固定盤側の分割型に設けた樹脂路
ごとに配設した射出装置により行う、という構成からな
る。Further, the apparatus of the present invention comprises a movable plate provided to be able to move forward and backward with respect to the fixed plate, and two sets of split types arranged on both opposing surfaces in parallel and alternately with the facing positions. One of the split molds is a rotary mold having two molding recesses arranged side by side on the parting surface, such that one molding recess overlaps each other at the center of the fixed platen and the movable platen,
The central part is connected to the rotating means provided on each of the fixed plate and the movable plate, and the center is connected and provided rotatably, and the other is a fixed mold provided on the parting surface by surrounding one forming protrusion by a fitting edge. The molding projection is fixed to each of the fixed platen and the movable platen so as to form a pair of cavities for dividing and molding the hollow molded product by overlapping with the fitting edge and another molding concave portion of the rotary mold. The injection filling of the resin into the cavity formed by closing the mold is performed by an injection device provided for each resin path provided in the split mold on the fixed platen side.
【０００９】このような装置では各キャビティが一線上
に位置するので、各キャビティごとの射出装置の配置も
一線上とすることができ、キャビティごとに異なった樹
脂の射出もできるので、異質または異色の樹脂の組み合
わせによる中空成形品の成形も可能となり、回転金型も
固定金型との組合わせにより小型化できるので回転トル
クも小さく済み、型閉じも固定金型に対し行われるので
精度よく行い得る。In such an apparatus, since the cavities are located on one line, the arrangement of the injection device for each cavity can be aligned, and a different resin can be injected for each cavity. It is also possible to mold hollow molded products by combining these resins, and the size of the rotary mold can be reduced by combining it with the fixed mold. obtain.
【００１０】[0010]
【発明の実施の形態】図は竪型の成形装置を示すもの
で、１は固定盤、２は可動盤、３は機台上に上向きに設
置した型締シリンダである。この型締シリンダ３と上記
固定盤１はシリンダ側部の支持板５に固着したタイバー
４，４により連結してあり、そのタイバー４，４に上記
可動盤２を挿通して固定盤１に対し進退自在に設けてい
る。また可動盤２は上記型締シリンダ３のラム３ａと連
結し、そのラム３ａによって型締が行えるようにしてあ
る。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The figure shows a vertical molding apparatus, wherein 1 is a fixed plate, 2 is a movable plate, and 3 is a mold clamping cylinder installed upward on a machine base. The mold clamping cylinder 3 and the fixed platen 1 are connected by tie bars 4 and 4 fixed to a support plate 5 on the side of the cylinder. It is provided so that it can move forward and backward. The movable platen 2 is connected to a ram 3a of the mold clamping cylinder 3 so that mold clamping can be performed by the ram 3a.
【００１１】上記固定盤１と可動盤２の対向面には分割
型による二組の金型１０，２０が並列にかつ対面位置を
交互にずらせて取付けてある。この分割型の一方は二つ
の成形凹部１１，１２をパーティング面に並設した長方
形の回転金型１３で、一つの成形凹部１２，１２が固定
盤１と可動盤２の中央部にて互いに重合位置するよう
に、固定盤１と可動盤２のそれぞれに設けられている。On the opposing surfaces of the fixed platen 1 and the movable platen 2, two sets of molds 10, 20 of a split type are mounted in parallel and with their facing positions alternately shifted. One of the split dies is a rectangular rotary mold 13 having two forming recesses 11 and 12 arranged side by side on a parting surface, and one forming recess 12 and 12 are located at the center of the fixed platen 1 and the movable platen 2. It is provided on each of the fixed platen 1 and the movable platen 2 so as to be located at the overlapping position.
【００１２】また分割型の他方は一つの成形突部１４を
嵌合縁１５により囲繞してパーティング面に設けた正方
形の固定金型１６で、成形突部１４が嵌合縁１５と共に
上記回転金型１３の他の一つの上記成形凹部１１と重合
位置して、図３に示す中空成形品３０を分割成形する一
対のキャビティ１７，１８が生ずるように、固定盤１と
可動盤２のそれぞれに固着してある。なお、この実施形
態では、回転金型１３と固定金型１６の成形凹部１１，
１２及び成形突部１４は、固定盤１側と可動盤２側とで
形状を異にしているが、その形状は同一であってもよ
い。The other of the split molds is a square fixed mold 16 provided on a parting surface by surrounding one molding projection 14 with a fitting edge 15, and the molding projection 14 rotates together with the fitting edge 15. Each of the fixed platen 1 and the movable platen 2 is positioned such that a pair of cavities 17 and 18 for dividing and forming the hollow molded product 30 shown in FIG. It is stuck to. In this embodiment, the molding recesses 11 of the rotary mold 13 and the fixed mold 16 are provided.
The shapes of the fixed plate 1 and the movable plate 2 are different between the fixed plate 12 and the movable plate 2, but the shapes may be the same.
【００１３】上記回転金型１３，１３は固定盤１及び可
動盤２のそれぞれに設けた油圧作動のロータリーアクチ
ュエータ６，７の回転軸８，９に中心部を連結して回転
自在に設けられ、図では省略したが、各盤体から型内に
抜き差し自在に設けた油圧作動のピンにより位置決めが
行えるようにしてある。The rotary dies 13, 13 are rotatably provided by connecting the central portions to rotary shafts 8, 9 of hydraulically operated rotary actuators 6, 7 provided on the fixed plate 1 and the movable plate 2, respectively. Although not shown in the figure, the positioning can be performed by hydraulically actuated pins provided in the mold so as to be freely inserted into and removed from each of the panels.
【００１４】また固定盤側に設けた回転金型１３の分割
型には、上記キャビティ１７と上記嵌合縁１５の抜き跡
により形成された連結部成形用のキャビティ１９の樹脂
路２１，２２とが設けてあり、また固定金型１６の分割
型には、上記キャビティ１８の樹脂路２３が設けてあ
る。これら樹脂路のゲートは略同一線上に開口し、その
ゲートごとに射出装置２４，２５，２６が下向きに固定
盤１の上部に一線上に配設してある。In the split mold of the rotary mold 13 provided on the fixed platen side, the resin paths 21 and 22 of the connecting part forming cavity 19 formed by the cavities of the cavity 17 and the fitting edge 15 are provided. The split mold of the fixed mold 16 is provided with a resin path 23 of the cavity 18. The gates of these resin paths are opened substantially on the same line, and the injection devices 24, 25, 26 are arranged downward and in line on the upper part of the fixed platen 1 for each gate.
【００１５】図２及び図３は上記射出成形装置による中
空成形品の成形工程を順に示すものである。 図２（Ａ） まず回転金型１３，１３を固定した状態で
上記型締シリンダ３の前進作動により固定金型１６に対
し型閉じを行って、一対の上記キャビティ１７，１８を
形成する。次に射出装置２４，２６を樹脂路２１，２３
のゲートにノズルタッチして、キャビティ１７，１８に
それぞれ溶融樹脂を射出充填し、中空成形品３０の分割
成形品３１，３２を一次的に成形する。FIG. 2 and FIG. 3 sequentially show the steps of molding a hollow molded article by the above-mentioned injection molding apparatus. FIG. 2A First, the fixed mold 16 is closed by the forward operation of the mold clamping cylinder 3 in a state where the rotary molds 13 are fixed, thereby forming a pair of cavities 17 and 18. Next, the injection devices 24 and 26 are connected to the resin paths 21 and 23.
The nozzles are touched by the nozzles, and molten resin is injected and filled into the cavities 17 and 18, respectively, and the divided molded products 31 and 32 of the hollow molded product 30 are primarily molded.
【００１６】図２（Ｂ） 成形後に分割成形品３１，３
２が固定盤側と可動盤側の成形凹部に交互に残るように
可動盤２を上記型締シリンダ３の後退作動により後退移
動して型開を行う。FIG. 2 (B) After the molding, the divided molded products 31 and 3 are formed.
The movable platen 2 is moved backward by the retracting operation of the mold clamping cylinder 3 to open the mold such that the mold plate 2 is alternately left in the molding recesses on the fixed platen side and the movable platen side.
【００１７】図２（Ｃ） 型開完了位置にて両方の回転
金型１３，１３の固定を解除し、ロータリーアクチュエ
ータ６，７を回転作動して、回転金型１３，１３を１８
０°回転する。これにより上記分割成形品３１，３２が
中央部に移動して互いに対面位置する。FIG. 2 (C) At the mold opening completion position, the fixing of both rotary molds 13, 13 is released, and the rotary actuators 6, 7 are operated to rotate to rotate the rotary molds 13, 18.
Rotate 0 °. As a result, the divided molded articles 31 and 32 move to the center and face each other.
【００１８】図３（Ａ） ロータリーアクチュエータ
６，７を停止し、回転金型１３，１３の位置決めを行っ
て固定したのち、可動型２を上記型締シリンダ３の前進
作動により固定盤１に対し前進移動して型閉する。これ
により金型中央部では分割成形品３１，３２が開口縁を
対面接触して重合位置する一方、その周辺に上記嵌合縁
１５の抜け跡による連結部成形用の上記キャビティ１９
が、重合縁により区画形成される。また同時に固定金型
１６との重合により上記キャビティ１７，１８が形成さ
れる。FIG. 3 (A) After the rotary actuators 6 and 7 are stopped and the rotary molds 13 and 13 are positioned and fixed, the movable mold 2 is moved forward with respect to the fixed platen 1 by the forward movement of the mold clamping cylinder 3. Move forward and close the mold. As a result, in the center part of the mold, the divided molded products 31 and 32 come into contact with the opening edges facing each other and overlap with each other.
Are defined by the overlapping edges. At the same time, the cavities 17 and 18 are formed by polymerization with the fixed mold 16.
【００１９】図３（Ｂ） 型閉じ後、型締シリンダ３を
型締に切り換えて各射出装置２４，２５，２６をゲート
にノズルタッチし、全てのキャビティ１７，１８，１９
に溶融した樹脂の射出充填を行う。この場合の樹脂は全
て同一のものであるが、場合によってはそれぞれ異質ま
たは異色のものであってもよい。これにより中央部のキ
ャビティ１９では連結部３３が成形されて重合縁を密閉
すると共に分割成形品３１，３２を一体化して単一の中
空成形品３０となす。同時に両側のキャビティ１７，１
８では新たな一対の分割成形品３１，３２がが成形され
る。FIG. 3 (B) After closing the mold, the mold clamping cylinder 3 is switched to mold clamping, and each of the injection devices 24, 25, 26 is nozzle-touched to the gate, and all the cavities 17, 18, 19 are made.
Injection of molten resin is performed. In this case, the resins are all the same, but depending on the case, they may be different or different in color. As a result, the connecting portion 33 is formed in the central cavity 19 to seal the overlapping edge, and the divided molded products 31 and 32 are integrated into a single hollow molded product 30. At the same time, cavities 17,1 on both sides
At 8, a new pair of divided molded products 31 and 32 are molded.
【００２０】図３（Ｃ） 成形完了後、分割成形品３
１，３２が成形凹部側に残るように可動盤２を上記型締
シリンダ３の後退作動により後退移動して型開を行い、
型開位置にて中央部の中空成形品３０の離型を行う。こ
の離型と取出はロボットを採用して行うことができ、ま
た取出位置は常に中央部の１個所となるので、ロボット
による取出操作も通常成形の場合と何ら変わるところな
く行い得る。中空成形品３０の取り出しを完了したの
ち、再び回転金型１３，１３の固定を解除してロータリ
ーアクチュエータ６，７により回転金型１３，１３を１
８０°回転し、新たな次の工程に移行する。FIG. 3 (C) After the completion of molding, the divided molded product 3
The movable platen 2 is moved backward by the retracting operation of the mold clamping cylinder 3 so as to leave the mold recesses 1 and 32 on the molding concave side, and the mold is opened.
At the mold opening position, the hollow molded product 30 at the center is released. The release and removal can be performed by using a robot, and the removal position is always one position at the center, so that the removal operation by the robot can be performed without any difference from the case of normal molding. After the removal of the hollow molded product 30 is completed, the fixing of the rotary molds 13 is released again, and the rotary molds 13
It rotates by 80 ° and moves to a new next step.
【図１】 この発明に係る中空成形品の射出成形方法の
実施に用いられる射出成形装置の説明図である。FIG. 1 is an explanatory diagram of an injection molding apparatus used for performing an injection molding method for a hollow molded article according to the present invention.
【図２】 この発明の中空成形品の射出成形方法におけ
る分割成形品の成形工程説明図である。FIG. 2 is an explanatory diagram of a molding process of a divided molded product in the injection molding method for a hollow molded product according to the present invention.
【図３】 同じく分割成形品から完成品を成形するまで
の工程説明図である。FIG. 3 is an explanatory view of a process until a finished product is molded from a divided molded product.
１ 固定盤 ２ 可動盤 ３ 型締シリンダ １１ 成形凹部 １２ 成形凹部 １３ 回転金型 １４ 成形突部 １５ 嵌合縁 １６ 固定金型 １７ 分割成形品のキャビティ １８ 分割成形品のキャビティ １９ 結合部のキャビティ ３０ 中空成形品 ３１ 固定盤側の分割成形品 ３２ 可動盤側の分割成形品 ３３ 結合部 DESCRIPTION OF SYMBOLS 1 Fixed board 2 Movable board 3 Mold clamping cylinder 11 Mold recess 12 Mold recess 13 Rotating mold 14 Mold protrusion 15 Fitting edge 16 Fixed mold 17 Divided molded product cavity 18 Divided molded product cavity 19 Coupling cavity 30 Hollow molded product 31 Split molded product on fixed platen side 32 Split molded product on movable platen side 33 Joint
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 ＦＩ // Ｂ２９Ｌ 22:00 ──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. 6 Identification code FI // B29L 22:00
Claims (2)
の成形凹部をパーティング面に並設した回転金型と、一
つの成形突部をパーティング面に設けた固定金型とを、
回転金型の一つの成形凹部が固定盤と可動盤の中央部に
て互いに重合位置し、他の一つの成形凹部が固定金型の
成形突部と重合位置して中空成形品を分割成形する一対
のキャビティが生ずるように交互に配置し、そのキャビ
ティへの樹脂の射出充填を先行して中空成形品を一次的
に分割成形し、その分割成形品を型開後にそのまま両回
転金型の回転により中央部に移動して型閉じにより互い
に重合したのち、重合周辺に形成したキャビティに樹脂
を射出充填して結合部を二次成形し、その結合部により
分割成形品を一体化して中空成形品となすことを特徴と
する中空成形品の射出成形方法。1. A rotary mold having two molding recesses arranged side by side on a parting surface, and a fixed mold having one molding projection provided on a parting surface, on both sides of the fixed plate and the movable plate facing each other. To
One forming recess of the rotary mold overlaps with each other at the center of the fixed plate and the movable plate, and the other forming recess overlaps with the forming protrusion of the fixed mold to separate and mold the hollow molded product. A pair of cavities are alternately arranged, and a hollow molded product is primarily dividedly molded in advance of resin injection into the cavities, and after the divided molded product is opened, the rotary molds are rotated as they are. After moving to the center part and polymerizing each other by closing the mold, resin is injected and filled into the cavity formed around the polymerization to form the joint part secondarily, and the divided molded part is integrated by the joint part to form the hollow molded article And a method of injection molding a hollow molded article.
と、その両方の対向面にそれぞれ並列にかつ対面位置を
交互にずらせて配設した二組の分割型からなり、 その分割型の一方は二つの成形凹部をパーティング面に
並設した回転金型で、一つの成形凹部が固定盤と可動盤
の中央部にて互いに重合位置するように、固定盤と可動
盤のそれぞれに設けた回転手段に中心部を連結して回転
自在に設けられており、 他方は一つの成形突部を嵌合縁により囲繞してパーティ
ング面に設けた固定金型で、該成形突部が嵌合縁と共に
上記回転金型の他の一つの成形凹部と重合位置して中空
成形品を分割成形する一対のキャビティが生ずるように
固定盤と可動盤のそれぞれに固着されており、 型閉じにより形成されたキャビティへの樹脂の射出充填
は、固定盤側の分割型に設けた樹脂路ごとに配設した射
出装置により行う構成からなることを特徴とする中空成
形品の射出成形装置。2. A movable plate provided so as to be capable of moving forward and backward with respect to a fixed plate, and two sets of split types arranged on both opposing surfaces in parallel and alternately at facing positions. One is a rotary mold with two molding recesses arranged side by side on the parting surface, and is provided on each of the fixed platen and the movable platen so that one molding recessed portion overlaps with the center of the fixed platen and the movable platen. The other is a fixed mold provided on the parting surface by surrounding the one forming protrusion with a fitting edge, and the other is rotatably provided by connecting the center portion to the rotating means. It is fixed to each of the fixed plate and the movable plate so that a pair of cavities for dividing and forming a hollow molded product are formed by overlapping with the other molding concave portion of the rotary mold together with the mating edge, and formed by closing the mold. Injection filling of the cavity into the fixed cavity An injection molding apparatus for a hollow molded product, characterized in that the injection molding apparatus is provided for each resin path provided in the split mold on the side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP33947196A JP3104859B2 (en) | 1996-12-19 | 1996-12-19 | Injection molding method and apparatus for hollow molded articles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP33947196A JP3104859B2 (en) | 1996-12-19 | 1996-12-19 | Injection molding method and apparatus for hollow molded articles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH10175230A true JPH10175230A (en) | 1998-06-30 |
| JP3104859B2 JP3104859B2 (en) | 2000-10-30 |
Family
ID=18327788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP33947196A Expired - Fee Related JP3104859B2 (en) | 1996-12-19 | 1996-12-19 | Injection molding method and apparatus for hollow molded articles |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3104859B2 (en) |
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| EP0920979A1 (en) * | 1997-12-04 | 1999-06-09 | Friedrich Hachtel | Method and injection mould for producing an injection moulded element |
| FR2794679A1 (en) * | 1999-06-14 | 2000-12-15 | Jean Pierre Grosfilley | INJECTION MOLD WITH INTEGRATED ASSEMBLY |
| WO2001005576A1 (en) * | 1999-04-23 | 2001-01-25 | Paul Nataf | Carousel moulds, mobile moulds with fixed stations, simultaneous injections before being made integral with matching elements as single-piece closure-drinking straw for drink containers |
| FR2841174A1 (en) * | 2002-06-24 | 2003-12-26 | Valois Sa | SYSTEM AND METHOD FOR MOLDING AND ASSEMBLING A DEVICE FOR DISPENSING FLUID PRODUCT |
| FR2851535A1 (en) * | 2003-02-20 | 2004-08-27 | Valeo Systemes Dessuyage | Windscreen liquid spraying device for vehicle, has hollow body linked with liquid supply channel, and upper and lower shells delimiting interior volume of body, where shells are fixed through embedded material strip |
| FR2938788A1 (en) * | 2008-11-27 | 2010-05-28 | Jp Grosfilley | METHOD AND DEVICE FOR MOLDING PARTS BY INJECTION WITH INTEGRATED ASSEMBLY. |
| FR2945235A1 (en) * | 2009-05-11 | 2010-11-12 | Moulindustrie | KIT FOR A MOLDING MACHINE BY INJECTING MOLDED PARTS. |
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| EP3012081A1 (en) * | 2014-10-22 | 2016-04-27 | JP Grosfilley | Injection mould and associated method for manufacturing parts |
| JP2016117222A (en) * | 2014-12-22 | 2016-06-30 | 株式会社ミツバ | Production device and production method of injection molding body |
| US20170008204A1 (en) * | 2014-02-11 | 2017-01-12 | Groupe Jbt | Method for producing parts |
| WO2017086001A1 (en) * | 2015-11-18 | 2017-05-26 | 株式会社デンソー | Method for manufacturing hollow article |
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1996
- 1996-12-19 JP JP33947196A patent/JP3104859B2/en not_active Expired - Fee Related
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| EP0920979A1 (en) * | 1997-12-04 | 1999-06-09 | Friedrich Hachtel | Method and injection mould for producing an injection moulded element |
| WO2001005576A1 (en) * | 1999-04-23 | 2001-01-25 | Paul Nataf | Carousel moulds, mobile moulds with fixed stations, simultaneous injections before being made integral with matching elements as single-piece closure-drinking straw for drink containers |
| FR2794679A1 (en) * | 1999-06-14 | 2000-12-15 | Jean Pierre Grosfilley | INJECTION MOLD WITH INTEGRATED ASSEMBLY |
| EP1060868A1 (en) * | 1999-06-14 | 2000-12-20 | Societe Jean-Pierre Grosfilley | Injection mould with integrated assembly |
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| FR2841174A1 (en) * | 2002-06-24 | 2003-12-26 | Valois Sa | SYSTEM AND METHOD FOR MOLDING AND ASSEMBLING A DEVICE FOR DISPENSING FLUID PRODUCT |
| JP2005534526A (en) * | 2002-06-24 | 2005-11-17 | バルワー エス．アー．エス． | System and method for forming and assembling fluid spray apparatus |
| CN100406226C (en) * | 2002-06-24 | 2008-07-30 | 瓦卢瓦有限合伙公司 | System and method of moulding and assembling a fluid product spray device |
| US7627950B2 (en) | 2002-06-24 | 2009-12-08 | Valois S.A.S. | System and method of moulding and assembling a fluid product spray device |
| WO2004000523A1 (en) * | 2002-06-24 | 2003-12-31 | Valois Sas | System and method of moulding and assembling a fluid product spray device |
| FR2851535A1 (en) * | 2003-02-20 | 2004-08-27 | Valeo Systemes Dessuyage | Windscreen liquid spraying device for vehicle, has hollow body linked with liquid supply channel, and upper and lower shells delimiting interior volume of body, where shells are fixed through embedded material strip |
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| WO2015051271A1 (en) * | 2013-10-04 | 2015-04-09 | Magna International Inc. | Double die rotate molding |
| US20170008204A1 (en) * | 2014-02-11 | 2017-01-12 | Groupe Jbt | Method for producing parts |
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| EP3012081A1 (en) * | 2014-10-22 | 2016-04-27 | JP Grosfilley | Injection mould and associated method for manufacturing parts |
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| WO2017086001A1 (en) * | 2015-11-18 | 2017-05-26 | 株式会社デンソー | Method for manufacturing hollow article |
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| JP2018008399A (en) * | 2016-07-12 | 2018-01-18 | 株式会社日本製鋼所 | Method for molding hollow molded product and apparatus for molding hollow molded product |
| JP2021154695A (en) * | 2020-03-30 | 2021-10-07 | 住友重機械工業株式会社 | Mold device |
| WO2023132253A1 (en) * | 2022-01-06 | 2023-07-13 | 株式会社日本製鋼所 | Injection molding machine system, mold, and molding method for molded article |
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