JPH09150419A - Mold clamping method and device therefor - Google Patents

Mold clamping method and device therefor

Info

Publication number
JPH09150419A
JPH09150419A JP8099285A JP9928596A JPH09150419A JP H09150419 A JPH09150419 A JP H09150419A JP 8099285 A JP8099285 A JP 8099285A JP 9928596 A JP9928596 A JP 9928596A JP H09150419 A JPH09150419 A JP H09150419A
Authority
JP
Japan
Prior art keywords
mold
mold clamping
pair
split molds
clamping
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
Application number
JP8099285A
Other languages
Japanese (ja)
Inventor
Sumio Nagai
澄雄 長井
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kyoraku Co Ltd
Original Assignee
Kyoraku Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kyoraku Co Ltd filed Critical Kyoraku Co Ltd
Priority to JP8099285A priority Critical patent/JPH09150419A/en
Publication of JPH09150419A publication Critical patent/JPH09150419A/en
Pending legal-status Critical Current

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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
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/56—Opening, closing or clamping means
    • B29C2049/566—Locking means
    • B29C2049/5661—Mechanical

Landscapes

  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

PROBLEM TO BE SOLVED: To miniaturize the cylinders for moving and clamping molds and contrive to simplify a plastic molding machine and to reduce the energy necessary for molding. SOLUTION: This mold clamping device is equipped with mold moving cylinders 8 for moving a pair of split molds 1 from their mold opening position to their mold clamping positions and mold clamping cylinders 9 for completing the clamping of the molds. Further, this device is also equipped with fixing rods 10, with which a pair of mold clamping platens 6 and 6 are connected to each other at the pre-mold clamping position, which is near the mold clamping finishing position and to which a pair of the split molds are moved by actuating the mold moving cylinders 8, so as to check the mold clamping platens from moving to mold opening direction. By actuating the mold clamping cylinders at the pre-mold clamping position, the mold clamping of the split molds 1 is completed.

Description

【発明の詳細な説明】Detailed Description of the Invention

【０００１】[0001]

【発明の属する技術分野】本発明は、ブロー成形機ある
いは射出成形機などのプラスチック成形機における型締
め方法およびその装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mold clamping method and apparatus for a plastic molding machine such as a blow molding machine or an injection molding machine.

【０００２】[0002]

【従来の技術】プラスチック製の中空体をブロー成形す
るには、溶融したパリソンを押出ヘッドから押し出し
て、開いた一対の分割金型間に配置し、次いで分割金型
を型締めし、パリソン内に圧力流体を導入することによ
り、パリソンを金型のキャビティ形状に賦形する。2. Description of the Related Art In order to blow mold a hollow plastic body, a molten parison is extruded from an extrusion head, placed between a pair of open split molds, and then the split molds are clamped to each other. The parison is shaped into the cavity of the mold by introducing pressure fluid into.

【０００３】従来、この種のプラスチック成形機におい
ては、一対の分割金型を型開き位置と型締め位置に移動
させ、かつ型締めをする油圧等のシリンダを備えてい
る。Conventionally, a plastic molding machine of this type is provided with a hydraulic cylinder or the like for moving a pair of split molds to a mold opening position and a mold clamping position and for clamping the mold.

【０００４】[0004]

【発明が解決しようとする課題】ところで、従来のプラ
スチック成形機のように、一対の分割金型を油圧等のシ
リンダにより移動し、かつ型締めを行うものにあって
は、分割金型をその開き位置から型締め位置に移動する
シリンダの作動ストロークが大きいうえ、分割金型の型
締め完了時には高い圧力の締め付け力を要するので、分
割金型の大きさに比してシリンダ装置が大型化すること
が避けられず、油圧装置や成形機が大掛かりとなり、油
圧装置の駆動に大電力を要するという問題があり、特
に、大型化のプラスチック製品を成形する成形機ではそ
の巨大化することが大きい問題となっている。By the way, in the case where a pair of split molds are moved by a cylinder such as hydraulic pressure and the molds are clamped like a conventional plastic molding machine, the split molds are In addition to the large operating stroke of the cylinder that moves from the open position to the mold clamping position, a high pressure clamping force is required when the mold clamping of the split mold is completed, so the cylinder device becomes larger than the size of the split mold. Inevitably, there is a problem that the hydraulic system and the molding machine become large-scaled, and a large amount of electric power is required to drive the hydraulic system, and in particular the molding machine that molds large plastic products is a huge problem. Has become.

【０００５】そこで、本発明は、このような問題点の解
消を図るものであって、一対の分割金型間の移動と型締
めのためにそれぞれ別個のシリンダを備えるとともに、
型締め完了前に分割金型を互いに連係して型開き方向の
移動を阻止したうえ、僅かのストロークで型締めを完了
することにより、型の移動および型締めのためのシリン
ダをともに小さくすることができ、プラスチック成形機
の簡素化と成形に要するエネルギーの削減を図ることが
できる型締め方法およびその装置を提供することを目的
とする。Therefore, the present invention is intended to solve such a problem, and is provided with separate cylinders for moving between a pair of split molds and for clamping.
Before the mold clamping is completed, the split molds are linked to each other to prevent movement in the mold opening direction, and the mold clamping is completed with a short stroke so that both the mold moving and the mold clamping cylinders are made smaller. It is an object of the present invention to provide a mold clamping method and an apparatus therefor capable of simplifying a plastic molding machine and reducing energy required for molding.

【０００６】さらに、本発明は、型移動シリンダを型移
動シリンダの動きを伝える一対の型締め盤の間にあって
型締め方向に沿って設けたことにより、型移動シリンダ
を一対の分割金型が型締めに至る前の型移動に関与させ
るだけにしてその小容量化を図り、省電力と成形機の小
型化に寄与することができるプラスチック成形機におけ
る型締め装置を提供することを目的とする。Further, according to the present invention, the mold moving cylinder is provided between the pair of mold clamping plates for transmitting the movement of the mold moving cylinder and along the mold clamping direction, so that the mold moving cylinder is formed by the pair of split molds. An object of the present invention is to provide a mold clamping device for a plastic molding machine, which can contribute to power saving and size reduction of the molding machine by reducing the capacity of the molding machine by only participating in mold movement before the clamping.

【０００７】[0007]

【課題を解決するための手段】上記目的を達成するため
の本発明に係る型締め方法は、一対の分割金型と、分割
金型を型開き位置から型締め方向に移動させる型移動シ
リンダと、型締めを完了させる型締めシリンダとを備え
てなるプラスチック成形機において、型移動シリンダの
作動により一対の分割金型を型締め完了位置の近くまで
移動させる予備型締め工程と、型移動シリンダの動きを
伝える一対の型締め盤を予備型締めの位置で互いに連係
して型開き方向の移動を阻止したうえ、型締め盤に形成
された型締めシリンダの作動により一対の分割金型の型
締めを完了することを特徴とする。A mold clamping method according to the present invention for achieving the above object comprises a pair of split molds, and a mold moving cylinder for moving the split molds from a mold open position in a mold clamping direction. In a plastic molding machine provided with a mold clamping cylinder for completing the mold clamping, a preliminary mold clamping step of moving the pair of split molds to a position close to the mold clamping completion position by the operation of the mold moving cylinder, A pair of mold clamping boards that transmit movement are linked to each other at the pre-clamping position to prevent movement in the mold opening direction, and the mold clamping cylinders formed on the mold clamping board act to clamp the pair of split molds. It is characterized by completing.

【０００８】また、本発明に係る型締め装置のその１
は、型開き位置と型締め位置間を移動する一対の分割金
型と、分割金型を開閉するシリンダを備えてなるプラス
チック成形機において、分割金型を型開き位置から型締
め完了位置の近くの予備型締め位置に移動させる型移動
シリンダと、型移動シリンダの動きを伝える一対の型締
め盤に固着形成され予備型締め位置から一対の分割金型
の型締めを完了させる型締めシリンダと、予備型締め位
置で一対の型締め盤を互いに連係して型開き方向の移動
を阻止する型連係機構を備え、予備型締め位置で型締め
シリンダの作動により分割金型の型締めを完了する構成
としたことを特徴とするものである。Further, the first of the mold clamping device according to the present invention.
Is a plastic molding machine equipped with a pair of split molds that move between the mold opening position and the mold closing position, and a cylinder that opens and closes the split molds. A mold moving cylinder for moving to the preliminary mold clamping position, and a mold clamping cylinder that is fixedly formed on a pair of mold clamping plates that transmits the movement of the mold moving cylinder and completes the mold clamping of the pair of split molds from the preliminary mold clamping position, A structure in which a pair of mold clamping plates are linked to each other at the preliminary mold clamping position to prevent movement in the mold opening direction, and the mold clamping cylinder is operated at the preliminary mold clamping position to complete the mold clamping of the split molds. It is characterized by that.

【０００９】さらに、本発明に係る型締め装置のその２
は、型開き位置と型締め位置間を移動する一対の分割金
型と、分割金型を開閉するシリンダ装置を備えてなるプ
ラスチック成形機において、分割金型を開閉するシリン
ダ装置は、分割金型を型開き位置から型締め完了位置近
くの予備型締め位置に移動させる型移動シリンダと、型
移動シリンダの動きを伝える一対の型締め盤に取り付け
られていて予備型締め位置から一対の分割金型の型締め
を完了させる型締めシリンダとでなり、一対の型締め盤
には予備型締め位置で互いに連係して型開き方向の移動
を阻止する型連係機構を備えていて、予備型締め位置で
型連係機構により互いに連係させた一対の分割金型を型
締めシリンダの作動により分割金型の型締めを完了する
構成であり、型移動シリンダは型締め盤の間にあって型
締め方向に沿って設けたことを特徴とする。Further, the second part of the mold clamping device according to the present invention.
In a plastic molding machine equipped with a pair of split molds that move between a mold opening position and a mold clamping position and a cylinder device that opens and closes the split molds, the cylinder device that opens and closes the split molds is a split mold. Is mounted on a mold moving cylinder that moves the mold from the mold opening position to a preliminary mold clamping position near the mold clamping completion position, and a pair of mold clamping plates that transmit the movement of the mold moving cylinder. The mold clamping cylinder that completes the mold clamping of the pair of mold clamping machines.The pair of mold clamping machines is equipped with a mold linking mechanism that links with each other at the preliminary mold clamping position to prevent movement in the mold opening direction. A pair of split molds that are linked to each other by a mold linking mechanism is configured to complete the mold clamping of the split molds by the operation of the mold clamping cylinders.The mold moving cylinder is located between the mold clamping boards and extends in the mold clamping direction. And wherein the digit.

【００１０】本発明に係る型締め装置においては、型締
め盤に取り付けられる型締めシリンダを、分割金型の周
辺部に対応して複数基を配置する構成とするのが好適で
ある。In the mold clamping device according to the present invention, it is preferable that a plurality of mold clamping cylinders attached to the mold clamping plate are arranged corresponding to the peripheral portion of the split mold.

【００１１】[0011]

【発明の実施の形態】図１ないし図３は本発明の一実施
の形態に係るプラスチック成形機を例示し、図１は型開
き状態を示す側面図、図２は型締め完了前の予備型締め
状態を示す側面図、図３は型締め完了状態を示す側面図
である。1 to 3 exemplify a plastic molding machine according to an embodiment of the present invention, FIG. 1 is a side view showing a mold open state, and FIG. 2 is a preliminary mold before completion of mold clamping. FIG. 3 is a side view showing a clamped state, and FIG. 3 is a side view showing a mold clamping completed state.

【００１２】図１ないし図３において、１，１は一対の
分割金型である。分割金型１，１は、機枠２に敷設した
移動レール３上をリニアベアリング４により移動案内さ
れるプラテン５，５に固着される。６，６は型締め盤で
あって、この型締め盤６，６は移動レール３上をリニア
ベアリング７により移動案内されるものであり、機枠２
の側壁に装着された型移動シリンダ８，８に連結され、
移動レール３上を移動するものである。また、型締め盤
６，６に装着された型締めシリンダ９，９がプラテン
５，５に連結されている。型締めシリンダ９，９はそれ
ぞれ複数基のもので構成される。１０，１０は固着ロッ
ドであり、その基端部は型締め盤６，６に止軸１１，１
１により軸着されており、かつ固着ロッド１０，１０の
長手方向中間部位の案内溝１２，１２はプラテン５，５
の側部に突出するピン１３，１３に係合されている。固
着ロッド１０，１０の先端部は、互いに係合する鈎部１
４，１４となっている。固着ロッド１０，１０は同様の
ものが上下２段にわたり、かつ前後一対となるように設
けられている。1 to 3, reference numerals 1 and 1 denote a pair of split molds. The split molds 1, 1 are fixed to platens 5, 5 which are guided by a linear bearing 4 on a moving rail 3 laid on the machine frame 2. 6 and 6 are die clamping machines, which are guided to move on the moving rail 3 by the linear bearings 7.
Is connected to the mold moving cylinders 8 mounted on the side wall of the
It moves on the moving rail 3. Further, the mold clamping cylinders 9, 9 mounted on the mold clamping boards 6, 6 are connected to the platens 5, 5. The mold clamping cylinders 9, 9 are each composed of a plurality of cylinders. 10 and 10 are fixed rods, the base ends of which are attached to the mold clamping plates 6 and 6 and the stop shafts 11 and 1, respectively.
1 and the guide grooves 12, 12 in the longitudinal intermediate portion of the fixed rods 10, 10 are fixed to the platens 5, 5.
Are engaged with the pins 13, 13 projecting to the side of. The tips of the fixed rods 10, 10 are hooks 1 that engage with each other.
It is 4,14. The fixing rods 10 and 10 are provided in the same manner in two stages vertically and in a front and rear pair.

【００１３】上記固着ロッド１０，１０の案内溝１２，
１２は長手方向に屈曲状をなしており、型開き状態でピ
ン１３，１３がそれぞれ案内溝１２，１２の上段と下段
に位置し（図１参照）、型締め完了前の予備型締め状態
でそれぞれ屈曲部に案内されて下段と上段に移り（図２
参照）、型締め完了状態でそれぞれ下段の先端部と上段
の先端部に案内されるように構成されている（図３参
照）。Guide grooves 12 of the fixed rods 10 and 10,
12 is bent in the longitudinal direction, the pins 13 and 13 are located in the upper and lower stages of the guide grooves 12 and 12 in the mold open state (see FIG. 1), and in the preliminary mold clamping state before the completion of the mold clamping. Each of them is guided by a bending part and moves to the lower and upper stages (Fig. 2).
(Refer to FIG. 3), when the mold clamping is completed, the lower end and the upper end are guided (see FIG. 3).

【００１４】そして、型開き状態でピン１３，１３がそ
れぞれ案内溝１２，１２の上段と下段に位置していると
きには、固着ロッド１０，１０の先端の鈎部１４，１４
は互いに上下に離れており、型締め完了前の予備型締め
状態で鈎部１４，１４が互いに係合し、型締め完了に至
るまでその係合状態を保持するように作動する。When the pins 13 and 13 are located in the upper and lower stages of the guide grooves 12 and 12 in the mold open state, the hook portions 14 and 14 at the tips of the fixing rods 10 and 10, respectively.
Are vertically separated from each other, and the hook portions 14 are engaged with each other in the preliminary mold clamping state before completion of the mold clamping, and operate so as to maintain the engaged state until the completion of the mold clamping.

【００１５】以上のように構成された装置において、図
１に示す型開き状態で、型移動シリンダ８，８を作動す
ることにより、一対の分割金型１，１は、図２に示すよ
うに型締め完了前の予備型締め状態となる。そして、こ
の状態の直前で型締めシリンダ９，９を作動するが、そ
れにより予備型締め状態で固着ロッド１０，１０の鈎部
１４，１４が互いに係合して、一対の型締め盤６，６は
型開き方向の移動が阻止される。次いで、型締めシリン
ダ９，９をさらに型締め方向に作動させることにより、
型締めが完了する。In the apparatus constructed as described above, the pair of split molds 1, 1 are operated as shown in FIG. 2 by operating the mold moving cylinders 8, 8 in the mold open state shown in FIG. It becomes the preliminary mold clamping state before the completion of mold clamping. Immediately before this state, the mold clamping cylinders 9, 9 are operated, whereby the hook portions 14, 14 of the fixing rods 10, 10 are engaged with each other in the preliminary mold clamping state, and the pair of mold clamping plates 6, 6. 6 is prevented from moving in the mold opening direction. Next, by further operating the mold clamping cylinders 9 and 9 in the mold clamping direction,
Mold clamping is completed.

【００１６】ところで、型移動シリンダ８，８は、分割
金型１，１の型開き状態から予備型締め状態まで単に分
割金型１，１を移動するだけの駆動力を有すればよいの
で、分割金型１，１の大きさに比して小さいものでよ
い。また、型締めシリンダ９，９は、予備型締め状態に
おいて、固着ロッド１０，１０の係合により互いに連係
されて、型開き方向の移動を阻止された状態で、しかも
少しのストロークで型締めを完了させるだけでよいの
で、これも小さいもので十分な型締め力が得られる。By the way, the mold moving cylinders 8, 8 need only have a driving force for moving the split molds 1, 1 from the mold open state of the split molds 1, 1 to the preliminary mold clamping state. It may be smaller than the size of the split molds 1, 1. In the preliminary mold clamping state, the mold clamping cylinders 9 and 9 are linked to each other by the engagement of the fixing rods 10 and 10 and are prevented from moving in the mold opening direction, and the mold clamping is performed with a small stroke. Since it only needs to be completed, a small one can obtain a sufficient mold clamping force.

【００１７】図４ないし図６は本発明の他の実施の形態
に係るプラスチック成形機を例示し、図４は型開き状態
を示す側面図、図５は型締め完了前の予備型締め状態を
示す側面図、図６は型締め完了状態を示す側面図であ
る。なお、図４ないし図６において、図１ないし図３に
示す一実施の態様に係る装置と同符号を付して部分は同
構成である。4 to 6 exemplify a plastic molding machine according to another embodiment of the present invention. FIG. 4 is a side view showing a mold opening state, and FIG. 5 shows a preliminary mold clamping state before completion of mold clamping. FIG. 6 is a side view showing the mold clamping completion state. In FIGS. 4 to 6, the same parts as those of the device according to the embodiment shown in FIGS. 1 to 3 are designated by the same reference numerals and have the same configuration.

【００１８】図４ないし図６において、１，１は一対の
分割金型である。分割金型１，１は、機枠２に敷設した
移動レール３上をリニアベアリング４により移動案内さ
れるプラテン５，５に固着される。６，６は型締め盤で
あって、この型締め盤６，６は移動レール３上をリニア
ベアリング７により移動案内され、移動レール３に沿っ
て設けられた型移動シリンダ８，８に連結され、移動レ
ール３上を移動するものである。上記型移動シリンダ
８，８は中心固定部位８ａで機体に固定されていて、シ
リンダロッド８ｂ，８ｂの伸縮により型締め盤６，６を
移動させる作動をする。また、型締め盤６，６には複数
基の型締めシリンダ９が取り付けられており、これら複
数基の型締めシリンダ９のシリンダロッドは、プラテン
５，５に連結されている。複数基の型締めシリンダ９
は、分割金型１，１の周辺部に対応する位置に配設され
ており、分割金型１，１が角形の場合にはその四隅部に
対応させている。4 to 6, 1 and 1 are a pair of split molds. The split molds 1, 1 are fixed to platens 5, 5 which are guided by a linear bearing 4 on a moving rail 3 laid on the machine frame 2. 6 and 6 are mold clamping machines, which are guided on the moving rail 3 by linear bearings 7 and are connected to mold moving cylinders 8 and 8 provided along the moving rail 3. , Moving on the moving rail 3. The mold moving cylinders 8 and 8 are fixed to the machine body at a center fixing portion 8a, and operate to move the mold clamping plates 6 and 6 by expanding and contracting the cylinder rods 8b and 8b. A plurality of mold clamping cylinders 9 are attached to the mold clamping boards 6 and 6, and the cylinder rods of the plurality of mold clamping cylinders 9 are connected to the platens 5 and 5. Multiple clamping cylinders 9
Are arranged at positions corresponding to the peripheral parts of the split molds 1, 1, and when the split molds 1, 1 are square, they are made to correspond to the four corners thereof.

【００１９】１０，１０は型連係機構を構成する固着ロ
ッドであり、その基端部は型締め盤６，６に止軸１１，
１１により軸着されており、かつ固着ロッド１０，１０
の長手方向中間部位の案内溝１２，１２はプラテン５，
５の側部に突出するピン１３，１３に係合されている。
固着ロッド１０，１０の先端部は、互いに係合する鈎部
１４，１４となっている。固着ロッド１０，１０は同様
のものが上下２段にわたり、かつ前後一対となるように
設けられている。上記固着ロッド１０，１０は、長さ調
節機構１５，１５を備えている。この長さ調節機構１
５，１５はネジ構成のものであり、長さ調節機構１５，
１５による固着ロッド１０，１０の長さの調節によっ
て、分割金型１，１が種々厚みの異なるものであって
も、それに対応してプラテン５，５に装着して使用する
ことができる。Numerals 10 and 10 are fixed rods which constitute a die linkage mechanism, and the base end portions of the die rods 6 and 6 are fixed shafts 11 and 10.
11 is fixed by a shaft 11 and is fixed to the rods 10, 10
The guide grooves 12, 12 in the longitudinal intermediate portion of the platen 5,
5 are engaged with the pins 13 and 13 projecting to the side.
The tips of the fixing rods 10, 10 are hooks 14, 14 that engage with each other. The fixing rods 10 and 10 are provided in the same manner in two stages vertically and in a front and rear pair. The fixed rods 10, 10 are provided with length adjusting mechanisms 15, 15. This length adjustment mechanism 1
Reference numerals 5 and 15 have a screw configuration, and the length adjusting mechanism 15,
By adjusting the lengths of the fixing rods 10 and 10 with the use of 15, even if the split molds 1 and 1 have different thicknesses, they can be mounted and used on the platens 5 and 5 correspondingly.

【００２０】上記固着ロッド１０，１０の案内溝１２，
１２は長手方向に屈曲状をなしており、型開き状態でピ
ン１３，１３がそれぞれ案内溝１２，１２の上段と下段
に位置し（図４参照）、型締め完了前の予備型締め状態
でそれぞれ屈曲部に案内されて下段と上段に移り（図５
参照）、型締め完了状態でそれぞれ下段の先端部と上段
の先端部に案内されるように構成されている（図６参
照）。Guide grooves 12 of the fixed rods 10 and 10,
12 is bent in the longitudinal direction, the pins 13 and 13 are located in the upper and lower stages of the guide grooves 12 and 12 in the mold open state (see FIG. 4), and in the preliminary mold clamping state before the completion of the mold clamping. Each of them is guided by a bending part and moves to the lower and upper stages (Fig. 5).
(Refer to FIG. 6) in the mold clamping completed state.

【００２１】そして、型開き状態でピン１３，１３がそ
れぞれ案内溝１２，１２の上段と下段に位置していると
きには、固着ロッド１０，１０の先端の鈎部１４，１４
は互いに上下に離れており、型締め完了前の予備型締め
状態で鈎部１４，１４が互いに係合し、型締め完了に至
るまでその係合状態を保持するように作動する。When the pins 13 and 13 are located in the upper and lower stages of the guide grooves 12 and 12 in the mold open state, the hooks 14 and 14 at the tips of the fixing rods 10 and 10, respectively.
Are vertically separated from each other, and the hook portions 14 are engaged with each other in the preliminary mold clamping state before completion of the mold clamping, and operate so as to maintain the engaged state until the completion of the mold clamping.

【００２２】以上のように構成されたプラスチック成形
機において、図４に示す型開き状態で、型移動シリンダ
８，８を作動することにより、一対の分割金型１，１
は、図５に示すように型締め完了前の予備型締め状態と
なる。そして、この状態の直前で複数基の型締めシリン
ダ９を作動するが、それにより予備型締め状態で固着ロ
ッド１０，１０の鈎部１４，１４が互いに係合して、一
対の型締め盤６，６は型開き方向の移動が阻止される。
次いで、複数基の型締めシリンダ９をさらに型締め方向
に作動させることにより、型締めが完了する。In the plastic molding machine configured as described above, the pair of split molds 1, 1 are operated by operating the mold moving cylinders 8, 8 in the mold open state shown in FIG.
Shows a preliminary mold clamping state before completion of mold clamping as shown in FIG. Immediately before this state, a plurality of mold clamping cylinders 9 are operated, whereby the hook portions 14, 14 of the fixing rods 10, 10 are engaged with each other in the preliminary mold clamping state, and the pair of mold clamping plates 6 , 6 are prevented from moving in the mold opening direction.
Next, the mold clamping is completed by further operating the plurality of mold clamping cylinders 9 in the mold clamping direction.

【００２３】ところで、型移動シリンダ８，８は、型締
め盤６，６の間にあって型締め方向の移動レール３に沿
って設けられており、かつ中心固定部位８ａで機体に固
定され、そのシリンダロッド８ｂ，８ｂが型締め盤６，
６に連結した構成としているので、型移動シリンダ８，
８は一対の分割金型１，１が型締めに至る前の型移動に
関与させるだけであり、極く小さい力で型移動させるこ
とができる。このため、型移動シリンダ８，８はシリン
ダ径の小さい小容量のもので足り、省電力と成形機の小
型化を図ることができる。殊に、型移動シリンダ８，８
は、型締め盤６，６の移動範囲内に納まって機体の両側
に張り出さないので、成形機の小型化に大いに寄与する
ものである。By the way, the mold moving cylinders 8 and 8 are provided between the mold clamping plates 6 and 6 along the moving rail 3 in the mold clamping direction, and are fixed to the machine body at the central fixing portion 8a. The rods 8b and 8b are the mold clamping plates 6,
6 is connected to the mold moving cylinder 8,
Numeral 8 only causes the pair of split molds 1 and 1 to participate in the mold movement before the mold is clamped, and the mold can be moved with an extremely small force. Therefore, the mold moving cylinders 8 and 8 need only have a small cylinder diameter and a small capacity, and power saving and downsizing of the molding machine can be achieved. In particular, the mold moving cylinders 8, 8
Since it does not protrude into both sides of the machine body within the moving range of the mold clamping machines 6 and 6, it greatly contributes to downsizing of the molding machine.

【００２４】このように、分割金型１，１の型開き状態
から予備型締め状態まで単に分割金型１，１を移動する
だけの駆動力を有すればよいので、分割金型１，１の大
きさに比して小さいものでよい。また、複数基の型締め
シリンダ９は、予備型締め状態において、固着ロッド１
０，１０の係合により互いに連係されて、型開き方向の
移動を阻止された状態で、しかも少しのストロークで型
締めを完了させるだけでよいので、たとえシリンダ径を
大きくしたとしても型締めストロークが小さく、シリン
ダ容量は小さいもので十分な型締め力が得られる。In this way, since it is sufficient to have a driving force for simply moving the split molds 1 and 1 from the mold open state of the split molds 1 to the preliminary mold clamping state, the split molds 1 and 1 are provided. It may be smaller than the size of. Further, the plurality of mold clamping cylinders 9 are fixed rods 1 in the preliminary mold clamping state.
With the engagement of 0 and 10, they are linked to each other and the movement in the mold opening direction is blocked, and the mold clamping is only required to be completed with a short stroke, so even if the cylinder diameter is increased, the mold clamping stroke Is small and the cylinder capacity is small, sufficient clamping force can be obtained.

【００２５】本発明に係る装置においては、複数基の型
締めシリンダ９が、分割金型１，１の周辺部に対応する
位置に配設されており、分割金型１，１が角形の場合に
はその四隅部に対応させているので、分割金型１，１の
型締め完了時において確実かつ強力な型締めがなされ
る。In the apparatus according to the present invention, a plurality of mold clamping cylinders 9 are arranged at positions corresponding to the peripheral portions of the split molds 1, 1, and the split molds 1, 1 are rectangular. Since they are made to correspond to the four corners of the mold, reliable and strong mold clamping is performed when the mold clamping of the split molds 1, 1 is completed.

【００２６】複数基の型締めシリンダ９は、一対の型締
め盤６，６の中心位置から左右位置の２箇所に配設して
もよいし、一対の型締め盤６，６の四隅部の４箇所と中
心位置から左右位置の２箇所の合わせて６箇所に配設し
てもよい。そして、一対の型締め盤６，６の中心から左
右位置の２箇所に型締めシリン９を配設すると、分割金
型１，１の左右の位置のピンチオフ部に力を加えること
ができ、一対の型締め盤６，６の四隅部の４箇所と中心
位置から左右位置の２箇所と合わせて６箇所に型締めシ
リンダ９を配設することにより、分割金型１，１の型締
めが偏ることなく、ピンチオフ部に力を加えることがで
きる。The plurality of mold clamping cylinders 9 may be arranged at two positions from the center position of the pair of mold clamping plates 6 and 6 to the left and right positions, or at the four corners of the pair of mold clamping plates 6 and 6. You may arrange | position at 6 places, combining 4 places and 2 places of a left-right position from a center position. By disposing the mold clamping sillin 9 at two positions on the left and right sides from the center of the pair of mold clamping plates 6 and 6, a force can be applied to the pinch-off portions on the left and right positions of the split molds 1, 1. By disposing the mold clamping cylinders 9 at four positions of the four corners of the mold clamping boards 6, 6 and two positions of the left and right positions from the center position, the mold clamping of the split molds 1, 1 is biased. Force can be applied to the pinch-off portion without.

【００２７】さらに、本出願人が先に提案して特開平２
−９２６１７号公報に開示されている型締め方法によ
ば、小さい金型でも効率よく型締めできるが、この方法
によるときは、上記６基の型締めシリンダのうち上方の
４基の型締めシリンダ９の位置に小さめの金型を配置し
てそれに対応することができる。Further, the applicant of the present invention has previously proposed the method disclosed in Japanese Patent Application Laid-Open No.
According to the mold clamping method disclosed in Japanese Patent Laid-Open No. 92617/1994, even a small mold can efficiently perform mold clamping. In this method, the upper four mold clamping cylinders out of the above six mold clamping cylinders. A smaller mold can be placed at position 9 to accommodate it.

【００２８】このように、本発明においては、分割金型
の上下方向あるいは左右方向に複数基の型締めシリンダ
を対応させることにより、効率のよい型締めができるの
である。As described above, in the present invention, efficient mold clamping can be performed by associating a plurality of mold clamping cylinders with each other in the vertical and horizontal directions of the split mold.

【００２９】[0029]

【発明の効果】本発明によれば、一対の分割金型間の移
動と型締めのためにそれぞれ別個のシリンダを備えると
ともに、型締め完了前に型締め盤を互いに連係して型開
き方向の移動を阻止したうえ、僅かのストロークで型締
めを完了するので、型の移動および型締めのためのシリ
ンダをともに小さくすることができ、プラスチック成形
機の簡素化と、成形に要するエネルギーの削減を図るこ
とができる。According to the present invention, separate cylinders are provided for moving between a pair of split molds and for clamping the molds, and the mold clamping boards are linked to each other in the mold opening direction before the completion of the mold clamping. Since the movement is blocked and the mold clamping is completed with a short stroke, the cylinder for moving and clamping the mold can be made small, which simplifies the plastic molding machine and reduces the energy required for molding. Can be planned.

【００３０】特に、本発明のその２に係る装置によれ
ば、型移動シリンダを型締め盤の間にあって型締め方向
に沿って設けたことにより、型移動シリンダを一対の分
割金型が型締めに至る前の型移動に関与させるだけにし
てその小容量化を図り、省電力と成形機の小型化に寄与
することができる。Particularly, according to the apparatus of the second aspect of the present invention, since the mold moving cylinder is provided between the mold clamping plates and along the mold clamping direction, the mold moving cylinder is clamped by the pair of split molds. It is possible to contribute to power saving and downsizing of the molding machine by making it possible to reduce the capacity of the molding machine only by making it involved in the movement of the mold before reaching.

【００３１】さらに、本発明に係る装置において、型締
め盤に取り付けられる型締めシリンダを、分割金型の周
辺部に対応して複数基を配置する構成とすることによ
り、分割金型の型締め完了時において確実かつ強力な型
締めをすることができる。Further, in the apparatus according to the present invention, the mold clamping cylinder attached to the mold clamping plate is configured such that a plurality of bases are arranged in correspondence with the peripheral portion of the divided mold, whereby the mold clamping of the divided mold is performed. At the time of completion, reliable and powerful mold clamping can be performed.

【図面の簡単な説明】[Brief description of the drawings]

【図１】本発明の一実施の形態に係るプラスチック成形
機の側面図であって、型開き状態を示す。FIG. 1 is a side view of a plastic molding machine according to an embodiment of the present invention, showing a mold open state.

【図２】本発明の一実施の形態に係るプラスチック成形
機の側面図であって、予備型締め状態を示す。FIG. 2 is a side view of the plastic molding machine according to the embodiment of the present invention, showing a preliminary mold clamping state.

【図３】本発明の一実施の形態に係るプラスチック成形
機の側面図であって、型締め完了状態を示す。FIG. 3 is a side view of the plastic molding machine according to the embodiment of the present invention, showing a mold clamping completed state.

【図４】本発明の他の実施の形態に係るプラスチック成
形機の側面図であって、型開き状態を示す。FIG. 4 is a side view of a plastic molding machine according to another embodiment of the present invention, showing a mold open state.

【図５】本発明の他の実施の形態に係るプラスチック成
形機の側面図であって、予備型締め状態を示す。FIG. 5 is a side view of a plastic molding machine according to another embodiment of the present invention, showing a preliminary mold clamping state.

【図６】本発明の他の実施の形態に係るプラスチック成
形機の側面図であって、型締め完了状態を示す。FIG. 6 is a side view of a plastic molding machine according to another embodiment of the present invention, showing a mold clamping completed state.

【符号の説明】[Explanation of symbols]

１，１ 一対の分割金型 ２ 機枠 ３ 移動レール ４ リニアベアリング ５，５ プラテン ６，６ 型締め盤 ７ リニアベアリング ８，８ 型移動シリンダ ８ａ 型移動シリンダの中心部位 ８ｂ シリンダロッド ９，９ 型締めシリンダ １０，１０ 固着ロッド １１，１１ 止軸 １２，１２ 案内溝 １３，１３ ピン １４，１４ 鈎部 １５，１５ 長さ調節機構 1,1 A pair of split molds 2 Machine frame 3 Moving rails 4 Linear bearings 5,5 Platens 6,6 Clamping machines 7 Linear bearings 8,8 Type moving cylinders 8a Type central part of moving cylinders 8b Cylinder rods 9,9 type Tightening cylinder 10,10 Fixing rod 11,11 Stop shaft 12,12 Guide groove 13,13 Pin 14,14 Hook 15,15 Length adjusting mechanism

Claims (4)

【特許請求の範囲】[Claims] 【請求項１】 一対の分割金型と、分割金型を型開き位
置から型締め方向に移動させる型移動シリンダと、型締
めを完了させる型締めシリンダとを備えてなるプラスチ
ック成形機において、型移動シリンダの作動により一対
の分割金型を型締め完了位置の近くまで移動させる予備
型締め工程と、型移動シリンダの動きを伝える一対の型
締め盤を予備型締めの位置で互いに連係して型開き方向
の移動を阻止したうえ、型締め盤に形成された型締めシ
リンダの作動により一対の分割金型の型締めを完了する
ことを特徴とする型締め方法。1. A plastic molding machine comprising a pair of split molds, a mold moving cylinder for moving the split molds from a mold open position in a mold clamping direction, and a mold clamping cylinder for completing the mold clamping. Preliminary mold clamping process that moves a pair of split molds to near the mold clamping completion position by the operation of the moving cylinder, and a pair of mold clamping plates that transmit the movement of the mold moving cylinder are linked to each other at the preliminary mold clamping position. A mold clamping method characterized in that the mold clamping of a pair of split molds is completed by actuating a mold clamping cylinder formed on a mold clamping plate while preventing movement in the opening direction. 【請求項２】 型開き位置と型締め位置間を移動する一
対の分割金型と、分割金型を開閉するシリンダを備えて
なるプラスチック成形機において、分割金型を型開き位
置から型締め完了位置の近くの予備型締め位置に移動さ
せる型移動シリンダと、型移動シリンダの動きを伝える
一対の型締め盤に固着形成され予備型締め位置から一対
の分割金型の型締めを完了させる型締めシリンダと、予
備型締め位置で一対の型締め盤を互いに連係して型開き
方向の移動を阻止する型連係機構を備え、予備型締め位
置で型締めシリンダの作動により分割金型の型締めを完
了する構成としたことを特徴とする型締め装置。2. A plastic molding machine comprising a pair of split molds that move between a mold opening position and a mold closing position, and a cylinder that opens and closes the split molds, and the mold closing is completed from the mold opening position. Mold moving cylinder that moves to a preliminary mold clamping position near the position and a pair of mold clamping plates that transmit the movement of the mold moving cylinder, and are clamped to complete the mold clamping of a pair of split molds from the preliminary mold clamping position. Equipped with a cylinder and a mold linkage mechanism that prevents movement in the mold opening direction by linking a pair of mold clamps at the preliminary mold clamping position, and at the preliminary mold clamping position, the mold clamping cylinders are operated to clamp the split molds. A mold clamping device characterized by being configured to be completed. 【請求項３】 型開き位置と型締め位置間を移動する一
対の分割金型と、分割金型を開閉するシリンダ装置を備
えてなるプラスチック成形機において、分割金型を開閉
するシリンダ装置は、分割金型を型開き位置から型締め
完了位置近くの予備型締め位置に移動させる型移動シリ
ンダと、型移動シリンダの動きを伝える一対の型締め盤
に取り付けられていて予備型締め位置から一対の分割金
型の型締めを完了させる型締めシリンダとでなり、一対
の型締め盤には予備型締め位置で互いに連係して型開き
方向の移動を阻止する型連係機構を備えていて、予備型
締め位置で型連係機構により互いに連係させた一対の分
割金型を型締めシリンダの作動により分割金型の型締め
を完了する構成であり、型移動シリンダは一対の型締め
盤の間にあって型締め方向に沿って設けたことを特徴と
する型締め装置。3. A plastic molding machine comprising a pair of split molds that move between a mold opening position and a mold closing position, and a cylinder device that opens and closes the split molds. It is attached to the mold moving cylinder that moves the split mold from the mold open position to the preliminary mold clamping position near the mold clamping completion position, and the pair of mold clamping plates that transmit the movement of the mold moving cylinder. It consists of a mold clamping cylinder that completes the mold clamping of split molds, and a pair of mold clamping machines is equipped with a mold linking mechanism that links with each other at the preliminary mold clamping position to prevent movement in the mold opening direction. At the clamping position, a pair of split molds that are linked to each other by the mold linkage mechanism completes the mold clamping of the split molds by operating the mold clamping cylinder.The mold moving cylinder is located between the pair of mold clamping plates. A mold clamping device characterized by being installed along the direction. 【請求項４】 型締め盤に取り付けられる型締めシリン
ダは、分割金型の周辺部に対応して複数基を配置したこ
とを特徴とする請求項２または３記載の型締め装置。4. The mold clamping device according to claim 2, wherein a plurality of mold clamping cylinders attached to the mold clamping plate are arranged corresponding to the peripheral portion of the split mold.
JP8099285A 1995-09-28 1996-03-28 Mold clamping method and device therefor Pending JPH09150419A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8099285A JPH09150419A (en) 1995-09-28 1996-03-28 Mold clamping method and device therefor

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP7-274794 1995-09-28
JP27479495 1995-09-28
JP8099285A JPH09150419A (en) 1995-09-28 1996-03-28 Mold clamping method and device therefor

Publications (1)

Publication Number Publication Date
JPH09150419A true JPH09150419A (en) 1997-06-10

Family

ID=26440429

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8099285A Pending JPH09150419A (en) 1995-09-28 1996-03-28 Mold clamping method and device therefor

Country Status (1)

Country Link
JP (1) JPH09150419A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2269804A1 (en) * 2008-12-19 2011-01-05 Krones AG Electrically operated blow-moulding machine and the method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2269804A1 (en) * 2008-12-19 2011-01-05 Krones AG Electrically operated blow-moulding machine and the method
US8287797B2 (en) 2008-12-19 2012-10-16 Krones Ag Electrically driven blow molding machine

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