JPH036893B2 - - Google Patents

Info

Publication number
JPH036893B2
JPH036893B2 JP59246538A JP24653884A JPH036893B2 JP H036893 B2 JPH036893 B2 JP H036893B2 JP 59246538 A JP59246538 A JP 59246538A JP 24653884 A JP24653884 A JP 24653884A JP H036893 B2 JPH036893 B2 JP H036893B2
Authority
JP
Japan
Prior art keywords
mold clamping
mold
lower platens
platen
injection molding
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.)
Expired - Lifetime
Application number
JP59246538A
Other languages
Japanese (ja)
Other versions
JPS61123509A (en
Inventor
Keiji Azuma
Yasuo Kishi
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works 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 Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP24653884A priority Critical patent/JPS61123509A/en
Publication of JPS61123509A publication Critical patent/JPS61123509A/en
Publication of JPH036893B2 publication Critical patent/JPH036893B2/ja
Granted legal-status Critical Current

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
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/1751—Adjustment means allowing the use of moulds of different thicknesses
    • 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
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/64—Mould opening, closing or clamping devices
    • B29C45/68—Mould opening, closing or clamping devices hydro-mechanical
    • B29C45/681—Mould opening, closing or clamping devices hydro-mechanical using a toggle mechanism as mould clamping device

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Description

【発明の詳細な説明】 （産業上の利用分野） 本発明は型締力保持構造に特徴を有した射出成
形装置に関する。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to an injection molding apparatus having a feature of a mold clamping force retaining structure.

（背景技術と発明が解決しようとする課題） プラスチツクの成形加工の１つとして射出成形
があるが、この射出成形においては金型の開閉を
行うと共に射出時の樹脂圧に抗して締めつけを行
うための型締装置が必要となる。(Background Art and Problems to be Solved by the Invention) Injection molding is one of the plastic molding processes, and in this injection molding, the mold is opened and closed and also tightened against the resin pressure during injection. A mold clamping device is required for this purpose.

ところで、従来の射出成形装置にあつては、プ
ラテンの一面に複数個の型締装置を配置して型締
を行う場合、トグル・リンク等の型締力発生部の
端部、すなわち型締保持ブロツクがプラテン上に
固定される構造であつた。そのため、型締力の作
用方向と型締保持ブロツクの固定部に加わる力の
作用方向とが一致せず、型締保持ブロツクにモー
メント力が働き、よつて所定の型締力を得るため
には型締保持部を相当に剛性のある構造としなけ
ればならなかつた。 By the way, in conventional injection molding equipment, when performing mold clamping by arranging multiple mold clamping devices on one side of the platen, the ends of mold clamping force generating parts such as toggle links, that is, mold clamping holding The structure was such that the block was fixed on a platen. Therefore, the acting direction of the mold clamping force and the acting direction of the force applied to the fixed part of the mold clamping holding block do not match, and a moment force acts on the mold clamping holding block. Therefore, in order to obtain the specified mold clamping force, The mold clamping holder had to have a fairly rigid structure.

また、型締保持部は型厚調節のための機構も設
けなければならないため剛性化は一層困難であ
り、装置の大型化および複雑化を招いていた。反
対に装置の規模を一定と考えると、型締保持部の
耐力が、発生できる型締力に限界を与えることと
なり、射出成形装置としての性能向上を阻害する
原因となつていた。 Furthermore, since the mold clamping holding section must also be provided with a mechanism for adjusting the mold thickness, it is more difficult to increase rigidity, leading to an increase in size and complexity of the device. On the other hand, if the scale of the apparatus is assumed to be constant, the proof stress of the mold clamping holding section will limit the mold clamping force that can be generated, which has been a cause of inhibiting performance improvement as an injection molding apparatus.

本発明は上記の点に鑑み提案されたものであ
り、その目的とするところは、型締力を安定して
保持することができ、かつコンパクトで型締機能
および型締力の強化を図り得る射出成形装置を提
供することにある。 The present invention has been proposed in view of the above points, and its purpose is to stably maintain mold clamping force, be compact, and strengthen mold clamping function and mold clamping force. An object of the present invention is to provide an injection molding device.

（課題を解決するための手段） 前記目的を達成するために、本発明は、プラテ
ンの一面に複数個の型締装置を配設してなる射出
成形装置において、上下のプラテンを一方を他方
から取りはずし自在に結合して金型の往復摺動部
を形成すると共に、型締力を前記上下のプラテン
間に設けたブラケツトにより保持し、かつ上下の
プラテン間に型締シリンダを配置し上下のプラテ
ンにより前記型締シリンダを支持することを特徴
とする。(Means for Solving the Problems) In order to achieve the above object, the present invention provides an injection molding apparatus in which a plurality of mold clamping devices are arranged on one side of the platen, in which the upper and lower platens are separated from each other by one side. They are removably connected to form a reciprocating sliding part of the mold, and the mold clamping force is held by a bracket provided between the upper and lower platens, and a mold clamping cylinder is disposed between the upper and lower platens. The mold clamping cylinder is supported by.

（作 用） 前記構成により、本発明によれば、上下のプラ
テンを一方を他方から取りはずし自在に結合して
金型の往復摺動路を形成すると共に、この往復摺
動路上にブラケツトを配置し、前記ブラケツトで
型締時の力を受けるようにしたから、保守点検が
容易であると共に、上下のプラテンにはそれぞれ
均等な型締力が作用することとなり、安定した型
締力の保持が行なえる。また、本発明は上下のプ
ラテン内に型締シリンダを含む型締装置を収容す
ることにより、全体のコンパクト化が図られる。(Function) With the above configuration, according to the present invention, the upper and lower platens are removably connected to each other to form a reciprocating sliding path for the mold, and a bracket is disposed on this reciprocating sliding path. Since the bracket receives the force during mold clamping, maintenance and inspection are easy, and equal mold clamping force is applied to the upper and lower platens, allowing stable mold clamping force to be maintained. Ru. Furthermore, the present invention can be made more compact by accommodating mold clamping devices including mold clamping cylinders in the upper and lower platens.

（発明の開示） 以下、実施例を示す図面に沿つて本発明を詳述
する。(Disclosure of the Invention) The present invention will be described in detail below with reference to the drawings showing embodiments.

第１図は本発明の実施例を示したものであり、
イは射出成形装置の型締部分の一部を示す平面
図、ロはそのＡ−Ａ断面図、ハは右側面図であ
る。 FIG. 1 shows an embodiment of the present invention,
A is a plan view showing a part of the mold clamping part of the injection molding apparatus, B is a sectional view taken along line AA, and C is a right side view.

図において構成を説明すると、プラテンは上側
のプラテン１Ａと下側のプラテン１Ｂとからな
り、これは実施例では同一形状とし、プラテン取
付ボルト１９にて取りはずしができるように結合
されている。また、これら上下のプラテン１Ａ，
１Ｂは４個のガイド２を介して上下のプラテン１
Ａ，１Ｂによつて金型締往復摺動用の十字状の通
路が形成されている。金型１２の基部はスライデ
イングアーム１１を介して型締リンク１０と結合
され、型締リンク１０は他の型締リンク１３およ
び連結ロツド９と結合されて、いわゆるトグルリ
ンクを構成している。 To explain the structure with reference to the drawings, the platen consists of an upper platen 1A and a lower platen 1B, which have the same shape in the embodiment and are removably connected with platen mounting bolts 19. In addition, these upper and lower platens 1A,
1B connects the upper and lower platens 1 through four guides 2.
A and 1B form a cross-shaped passage for reciprocating sliding during mold clamping. The base of the mold 12 is connected to a mold clamping link 10 via a sliding arm 11, and the mold clamping link 10 is connected to another mold clamping link 13 and a connecting rod 9 to form a so-called toggle link.

また、上下のプラテン１Ａ，１Ｂの側面にはス
タンド２２が設けられ、これによつて型締シリン
ダ６はプラテン面と平行に配置されている。そし
て、型締シリンダ６のシリンダロツド７を突き出
すことにより、連結ロツド９が移動し型締リンク
１０，１３を一直線状に近づけるように回動させ
て、金型１２を射出成形部側へ押し付けるように
なつている。 Further, a stand 22 is provided on the side surface of the upper and lower platens 1A, 1B, so that the mold clamping cylinder 6 is arranged parallel to the platen surface. By protruding the cylinder rod 7 of the mold clamping cylinder 6, the connecting rod 9 moves and rotates the mold clamping links 10 and 13 so that they approach a straight line, thereby pressing the mold 12 toward the injection molding section. It's summery.

一方、型締リンク１３の他端は型締保持ブロツ
ク１４と結合されており、この型締保持ブロツク
１４の後端はプラテン１Ａ，１Ｂ間に設けられた
ブラケツト３のブラケツト凹部４と嵌合し、嵌合
する距離が型厚調整ハンドル１５と連動するネジ
部１６によつて可変できるようになつている。 On the other hand, the other end of the mold clamping link 13 is connected to a mold clamping holding block 14, and the rear end of this mold clamping holding block 14 fits into the bracket recess 4 of the bracket 3 provided between the platens 1A and 1B. The fitting distance can be varied by a threaded portion 16 interlocking with a mold thickness adjustment handle 15.

なお、５は金型１２に射出ユニツトのノズル
（図示せず）が配置され、プラテン１Ｂに設けた
射出ノズル前後進空間、１７は型厚調整ハンドル
１５の位置固定用のロツクナツト、１８は型締保
持ブロツク１４の決めを行うためのキー、１９は
プラテン取付ボルト、２０はブラケツト取付ボル
ト、２１は金型１２およびスライデイングアーム
１１の摺動を容易にするための摺動用プレートで
ある。また、スライデイングアーム１１、金型１
２、型締リンク１０，１３等は図示しない角溝や
ボルト等で互いに連結されている。 In addition, 5 is a space in which the nozzle (not shown) of the injection unit is arranged in the mold 12, and the injection nozzle moves back and forth provided on the platen 1B, 17 is a lock nut for fixing the position of the mold thickness adjustment handle 15, and 18 is a mold clamp. A key is used to determine the holding block 14, 19 is a platen mounting bolt, 20 is a bracket mounting bolt, and 21 is a sliding plate for facilitating the sliding of the mold 12 and sliding arm 11. In addition, sliding arm 11, mold 1
2. The mold clamping links 10, 13, etc. are connected to each other by square grooves, bolts, etc. (not shown).

動作にあたり、射出成形時にあつては、型締シ
リンダ６のシリンダロツド７が突き出し、連結ロ
ツド９をプラテン面に沿つて平行移動させ、型締
リンク１０，１３をほぼ一直線状になるまで回動
させる。これによりスライデイングアーム１１を
介して金型１２をプラテン１の中心部に移動さ
せ、対向する他の金型と突き合わせられて型締が
行われる。型締が行われると、射出ノズル前後進
空間５に射出ユニツトのノズル（図示せず）が移
動し、溶融した樹脂の射出が行われる。 In operation, during injection molding, the cylinder rod 7 of the mold clamping cylinder 6 protrudes, the connecting rod 9 is moved in parallel along the platen surface, and the mold clamping links 10, 13 are rotated until they are approximately in a straight line. As a result, the mold 12 is moved to the center of the platen 1 via the sliding arm 11, and is brought into contact with another opposing mold to perform mold clamping. When the mold is clamped, the nozzle (not shown) of the injection unit moves into the injection nozzle reciprocating space 5, and the molten resin is injected.

しかして、樹脂の金型締１２内の充填から固化
するまでの期間に渡つて樹脂圧に抗して金型１２
には型締力が与えられ続け、その力は金型１２か
らスライデイングアーム１１、型締リンク１０，
１３、型締保持ブロツク１４を介してブラケツト
凹部４内のネジ部１６に伝達される。 Therefore, the mold 12 resists the resin pressure during the period from when the resin is filled into the mold clamp 12 until it solidifies.
The mold clamping force continues to be applied to the mold 12, the sliding arm 11, the mold clamping link 10,
13, and is transmitted to the threaded portion 16 in the bracket recess 4 via the mold clamping holding block 14.

そして、本実施例によれば、金型１２への型締
力の作用方向と、ネジ部１６により保持される力
の作用方向とが一致するので各部材にはモーメン
ト力が働かず、更にネジ部１６は上下のプラテン
１Ａ，１Ｂ間に固定されたブラケツト３により安
定して保持されるので、形状を大型化したり複雑
な構造としなくても剛性を大幅に向上することが
可能となる。 According to this embodiment, the direction of action of the clamping force on the mold 12 and the direction of action of the force held by the threaded portion 16 are the same, so no moment force acts on each member, and Since the portion 16 is stably held by the bracket 3 fixed between the upper and lower platens 1A and 1B, the rigidity can be greatly improved without increasing the size or creating a complicated structure.

また、型締シリンダ６はプラテン面と平行に配
置されているので、型締時の上下プラテンの伸量
を均等にして精度の向上を図ることが可能である
と共に、装置がコンパクトに構成でき、更に型締
シリンダ６のシリンダロツド７が型締リンク１
０，１３と直接結合されるので、クランク等が不
要となり部品数の低減を図ることができる。 In addition, since the mold clamping cylinder 6 is arranged parallel to the platen surface, it is possible to equalize the amount of extension of the upper and lower platens during mold clamping to improve accuracy, and the device can be configured compactly. Furthermore, the cylinder rod 7 of the mold clamping cylinder 6 is connected to the mold clamping link 1.
Since it is directly connected to 0 and 13, there is no need for a crank or the like, and the number of parts can be reduced.

なお、上記の実施例においては、型締手段とし
てトグルリンク方式について説明したが、何らこ
れに限定されるものでなく、直圧方式でもよい。
また、このような型締装置がプラテンの一面に複
数個配置されている。 In the above embodiments, a toggle link type was described as the mold clamping means, but the mold clamping means is not limited to this at all, and a direct pressure type may also be used.
Further, a plurality of such mold clamping devices are arranged on one surface of the platen.

（発明の効果） 以上のように本発明にあつては、プラテンの一
面に複数個の型締装置を配設してなる射出成形装
置において、上下のプラテンを一方を他方から取
りはずし自在に結合して金型の往復摺動部を形成
すると共に、型締力を前記上下のプラテン間に設
けたブラケツトにより保持し、かつ上下のプラテ
ン間に型締シリンダを配置し上下のプラテンによ
り前記型締シリンダを支持することで、上下のプ
ラテンで均等に型締力の保持あるいは型締シリン
ダの支持が出来ると共に型締力の強化を図ること
ができる。(Effects of the Invention) As described above, in the present invention, in an injection molding apparatus in which a plurality of mold clamping devices are disposed on one side of the platen, the upper and lower platens are connected so that one can be detached from the other. A reciprocating sliding part of the mold is formed, and the mold clamping force is held by a bracket provided between the upper and lower platens, and a mold clamping cylinder is arranged between the upper and lower platens, and the mold clamping cylinder is held by the upper and lower platens. By supporting the upper and lower platens, the mold clamping force can be equally maintained or the mold clamping cylinder can be supported, and the mold clamping force can be strengthened.

また、プラテン内に型締装置の収納が出来る
為、全体をコンパクトにし効率よく型締性能を発
揮することが出来る。 Furthermore, since the mold clamping device can be stored within the platen, the entire mold can be made compact and the mold clamping performance can be efficiently demonstrated.

更に、前述のように上下のプラテンを一方を他
方から取りはずし自在に結合しているため、プラ
テンに複数個の型締装置を配設している場合に、
その保守点検が容易となる。 Furthermore, as mentioned above, since the upper and lower platens are connected so that one can be removed from the other, when multiple mold clamping devices are installed on the platen,
Its maintenance and inspection becomes easy.

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本発明の実施例を示す構成図であり、
イは平面図、ロはイ図中のＡ−Ａ断面図、ハは右
側面図である。 １Ａ，１Ｂ……プラテン、２……ガイド、３…
…ブラケツト、６……型締シリンダ、１０，１３
……型締リンク、１１……スライデイングアー
ム、１２……金型、１４……型締保持ブロツク、
２２……スタンド。 FIG. 1 is a configuration diagram showing an embodiment of the present invention,
A is a plan view, B is a sectional view taken along line A-A in FIG. 1, and C is a right side view. 1A, 1B...Platen, 2...Guide, 3...
...Bracket, 6...Mold clamping cylinder, 10, 13
...Mold clamping link, 11...Sliding arm, 12...Mold, 14...Mold clamping holding block,
22...Stand.

Claims (1)

【特許請求の範囲】[Claims] １ プラテンの一面に複数個の型締装置を配設し
てなる射出成形装置において、上下のプラテンを
一方を他方から取りはずし自在に結合して金型の
往復摺動部を形成すると共に、型締力を前記上下
のプラテン間に設けたブラケツトにより保持し、
かつ上下のプラテン間に型締シリンダを配置し上
下のプラテンにより前記型締シリンダを支持する
ことを特徴とした射出成形装置。1. In an injection molding device in which a plurality of mold clamping devices are arranged on one side of the platen, the upper and lower platens are removably connected to each other to form a reciprocating sliding part of the mold, and the mold clamping device The force is held by a bracket provided between the upper and lower platens,
An injection molding apparatus characterized in that a mold clamping cylinder is disposed between upper and lower platens, and the mold clamping cylinder is supported by the upper and lower platens.
JP24653884A 1984-11-20 1984-11-20 Injection molding machine Granted JPS61123509A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP24653884A JPS61123509A (en) 1984-11-20 1984-11-20 Injection molding machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP24653884A JPS61123509A (en) 1984-11-20 1984-11-20 Injection molding machine

Publications (2)

Publication Number Publication Date
JPS61123509A JPS61123509A (en) 1986-06-11
JPH036893B2 true JPH036893B2 (en) 1991-01-31

Family

ID=17149894

Family Applications (1)

Application Number Title Priority Date Filing Date
JP24653884A Granted JPS61123509A (en) 1984-11-20 1984-11-20 Injection molding machine

Country Status (1)

Country Link
JP (1) JPS61123509A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5660235A (en) * 1979-10-09 1981-05-25 Pont A Mousson Injecting molding device for plastic body
JPS59130410A (en) * 1983-01-17 1984-07-27 Japan Steel Works Ltd:The Mold clamping apparatus for plastic magnetic injection molding machine
JPS59130419A (en) * 1983-01-17 1984-07-27 Tekunisuko:Kk Manufacture of diffusion jig or the like

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5660235A (en) * 1979-10-09 1981-05-25 Pont A Mousson Injecting molding device for plastic body
JPS59130410A (en) * 1983-01-17 1984-07-27 Japan Steel Works Ltd:The Mold clamping apparatus for plastic magnetic injection molding machine
JPS59130419A (en) * 1983-01-17 1984-07-27 Tekunisuko:Kk Manufacture of diffusion jig or the like

Also Published As

Publication number Publication date
JPS61123509A (en) 1986-06-11

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