JPH0220314A - Metallic mold for injection molding - Google Patents
Metallic mold for injection moldingInfo
- Publication number
- JPH0220314A JPH0220314A JP16907388A JP16907388A JPH0220314A JP H0220314 A JPH0220314 A JP H0220314A JP 16907388 A JP16907388 A JP 16907388A JP 16907388 A JP16907388 A JP 16907388A JP H0220314 A JPH0220314 A JP H0220314A
- Authority
- JP
- Japan
- Prior art keywords
- movable
- mold
- die plate
- fixed
- holder
- 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
- 238000001746 injection moulding Methods 0.000 title claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract 3
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000002347 injection Methods 0.000 description 8
- 239000007924 injection Substances 0.000 description 8
- 238000009434 installation Methods 0.000 description 2
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
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
- B29C45/1742—Mounting of moulds; Mould supports
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野コ
本発明は、射出成形用金型に係り、特に固定側金型並び
に可動型金型の取付は構造を簡素化した射出成形用金型
に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an injection mold, and particularly relates to an injection mold with a simplified structure for mounting a fixed side mold and a movable mold. .
［従来の技術］
従来のこの種射出成形用金型において、固定側金型並び
に可動側金型は、成形品の形状、取数、ランナ・ゲート
の方案などに応じてそれぞれ作製され、固定ダイプレー
１−並びに可動ダイプレートに各々公知の取付具を用い
て、直接固着されるのが一般的であった。このため、金
型交換の度に、金型の取付具を脱着し、固定・移動金型
を閉じた状態でプレート外に搬出入しなければならず、
金型交換に大変手間がかかるものであった。従って、近
時要求される多品種少量生産において、斯る個別生産金
型を個別に脱着する方法では、コスト及び金型交換性の
点で問題があり、次に述べる金型ホルダ一方式が提案さ
れた。[Prior art] In conventional injection molding molds of this type, the fixed side mold and the movable side mold are each manufactured according to the shape of the molded product, the number of cavities, the runner/gate design, etc. 1- and the movable die plate using known fixtures. For this reason, each time the mold is replaced, it is necessary to remove and attach the mold fixtures and transport the fixed and movable molds into and out of the plate in a closed state.
It took a lot of time to replace the mold. Therefore, in the recent demand for high-mix, low-volume production, the method of attaching and detaching individual production molds individually has problems in terms of cost and mold replaceability, and the following single mold holder type is proposed. It was done.
上記金型ホルダ一方式とは、固定側及び可動側金型を入
子構造として、１組の金型ホルダーに多数組の金型が取
付は可能なようにし、金型ホルダーは常時ダイプレート
に固設して、多数組の金型の交換作業性を高めるように
したものである。第３図は、固定側金型並びに可動側金
型を入子金型とした従来の金型ホルダ一方式の構造を示
しており、例えば、実開昭６０−１７３３１０号公報に
該挿入子構造の金型をもつ射出成形用金型が示されてい
る。The above-mentioned one-way type mold holder means that the fixed side and movable side molds are nested so that multiple sets of molds can be attached to one set of mold holders, and the mold holder is always attached to the die plate. It is designed to be fixedly installed to improve the efficiency of replacing multiple sets of molds. FIG. 3 shows the structure of a conventional one-type mold holder in which the stationary side mold and the movable side mold are nested molds. An injection mold having a mold is shown.
第３図において、１１は固定ダイプレート、１２は、タ
イバー１３に案内され図示せぬ型開閉メカニズムによっ
てスライド駆動される可動ダイプレート、１４は、固定
ダイプレート１１上に固設された固定側金型ホルダー、
１５は、可動ダイプレート２２上に固設された可動側金
型ホルダーであり、固定側金型ホルダー１４にはホルダ
ー溝１４ａが、また、可動側金型１５にはホルダー溝１
５ａがそれぞれ形成されている。In FIG. 3, 11 is a fixed die plate, 12 is a movable die plate guided by tie bars 13 and slidably driven by a mold opening/closing mechanism (not shown), and 14 is a fixed side plate fixed on the fixed die plate 11. mold holder,
15 is a movable mold holder fixed on the movable die plate 22, the fixed mold holder 14 has a holder groove 14a, and the movable mold 15 has a holder groove 1.
5a are formed respectively.
なお、１４ｂは、固定側金型ホルダー１４に植設された
ガイドピンで、型締め時に、可動側金型ホルダー１５に
穿設された図示せぬガイド孔と協働して、後記固定側入
子金型並びに可動側入子金型同志の位置合わせを行なう
ようになっている。Reference numeral 14b indicates a guide pin implanted in the fixed side mold holder 14, which cooperates with a guide hole (not shown) drilled in the movable side mold holder 15 when the mold is clamped to move the fixed side inlet (described later). The positioning of the child mold and the movable insert mold is performed.
１６は固定側入子金型、１７は可動側入子金型で、両入
子金型１６．１７には、前記固定側金型ホルダー１４の
ホルダーｉｌ １４ ａ並びに可動側金型ホルダー１５
のホルダー溝１５ａとそれぞれ合致する形状の突出部１
．６ ａ並びに１７ａが各々形成されている。Reference numeral 16 denotes a stationary insert mold, 17 a movable insert mold, and both insert molds 16 and 17 include the holder il 14 a of the fixed mold holder 14 and the movable mold holder 15.
protrusions 1 each having a shape that matches the holder groove 15a of the
．． 6a and 17a are respectively formed.
そして、固定側入子金型１６は、その突出部１６ａを、
固定ダイプレート１１に固設された固定側金型ホルダー
１４のホルダー溝１４ａに図示上方から挿入された後、
必要に応じ適宜固定手段によって固定側金型ホルダー１
４に固着される。また同様に、可動側入子金型１７は、
その突出部】７ａを、可動ダイプレート１２に固設され
た可動側金型ホルダー１５のホルダー溝１５ａに図示」
三方から挿入された後、必要に応じ適宜固定手段によっ
て可動側金型ホルダー１５に固着される。なお、第３図
において、１７ｂは公知のエジェクター装置、１５ｂは
可動側金型ホルダー１５に設けらたエジェクター装置１
０のための逃げ部である。Then, the stationary side insert mold 16 has its protruding portion 16a,
After being inserted into the holder groove 14a of the fixed mold holder 14 fixed to the fixed die plate 11 from above in the figure,
Fixed side mold holder 1 by appropriate fixing means as necessary.
Fixed to 4. Similarly, the movable insert mold 17 is
The protrusion]7a is shown in the holder groove 15a of the movable mold holder 15 fixed to the movable die plate 12.
After being inserted from three sides, it is fixed to the movable mold holder 15 by appropriate fixing means as necessary. In addition, in FIG. 3, 17b is a known ejector device, and 15b is the ejector device 1 provided on the movable mold holder 15.
This is a relief part for 0.
［発明が解決しようとする課題］
上記した第３図示の従来構成においては、固定側入子金
型１６及び可動側入子金型１７の取付は用突出部の寸法
を異種金型間で共通化することによって、固定側金型ホ
ルダー１４並びに可動側金型ホルダー１５に取付は汎用
性をもたせることが出来る上、金型交換も容易・迅速と
なる。また、固定ダイプレート１１側構成要素及び可動
ダイプレート１２側構成要素の厚みもある程度低減でき
る。[Problems to be Solved by the Invention] In the conventional configuration shown in the third drawing described above, the fixed side inserting mold 16 and the movable side inserting mold 17 are installed by making the dimensions of the protruding parts common between different types of molds. By doing so, the fixed mold holder 14 and the movable mold holder 15 can be mounted with versatility, and the molds can be replaced easily and quickly. Moreover, the thickness of the components on the fixed die plate 11 side and the components on the movable die plate 12 side can be reduced to some extent.
しかしながら、この従来構成においては、固定側入子金
型１６及び可動側入子金型１７を、固定側金型ホルダー
１４並びに可動側金型ホルダー１５を介して、固定ダイ
プレー１〜１１及び可動ダイプレート１２に取付けてい
るため、固定ダイプレー１−１１側構成要素及び可動ダ
イプレート１２側構成要素の厚みの低減には自ずと限界
がある上、部品点数の削減にも限界のあるものであった
。However, in this conventional configuration, the fixed die inserting die 16 and the movable inserting die 17 are connected to the fixed die plays 1 to 11 and the movable die through the fixed die holder 14 and the movable die holder 15. Since they are attached to the plate 12, there is a limit to reducing the thickness of the components on the fixed die plate 1-11 side and the components on the movable die plate 12 side, and there is also a limit to reducing the number of parts.
従って、本発明の解決すべき技術的課題は上記従来技術
のもつ問題点を解消することにあり、その目的とすると
ころは、固定側金型並びに可動型金型の取付は構造を簡
略化して部品点数の可及的な削減を達成でき、固定ダイ
プレート側構成要素及び可動ダイプレート側構成要素の
厚みもより低減し得る射出用成形金型を提供することに
ある。Therefore, the technical problem to be solved by the present invention is to solve the problems of the above-mentioned prior art, and its purpose is to simplify the structure of the fixed side mold and the movable mold. It is an object of the present invention to provide an injection mold that can reduce the number of parts as much as possible and further reduce the thickness of fixed die plate side components and movable die plate side components.
［課題を解決するための手段］
本発明の射出成形用金型は、上記した目的を達成するた
め、固定側金型及び可動側金型を共に入子構造の金型と
し、この固定側入子金型及び可動側入子金型を固定ダイ
プレート並びに可動ダイブレートに直接刻設されたホル
ダー溝にそれぞれ装着するように構成される。[Means for Solving the Problems] In order to achieve the above-mentioned object, the injection mold of the present invention has a fixed side mold and a movable side mold both having a telescopic structure, and the fixed side mold has a nested structure. The child mold and the movable insert mold are respectively mounted in holder grooves directly carved in the fixed die plate and the movable die plate.
［作用コ
本発明は上述したように、固定側入子金型及び可動側入
子金型を固定ダイプレート並びに可動ダイプレートに直
接刻設されたホルダー溝にそれぞれ装着するようにして
いるので、従前の金型ホルダーの作製並びにその取付け
を必要とせず、至って取付は構造が簡素化されて、部品
点数の可及的な削減が計れ、また、従来の金型ホルダー
相当分だけ、全体の厚み寸法も低減できる。[Operation] As described above, in the present invention, the fixed insert mold and the movable insert mold are respectively mounted in the holder grooves directly carved in the fixed die plate and the movable die plate. There is no need to manufacture and install a conventional mold holder, and the installation structure is simplified, reducing the number of parts as much as possible, and reducing the overall thickness by the same amount as the conventional mold holder. Dimensions can also be reduced.
［実施例コ
以下、本発明を第１，２図に示した１実施例によって説
明する。[Embodiment 1] The present invention will be explained below using an embodiment shown in FIGS. 1 and 2.
同図において、１は図示せぬベース上に固設された固定
ダイプレート、２は可動ダイプレー１−で、一端を固定
ダイプレート１に固着されたタイバー３に案内され、例
えば油圧シリンダ、電動サーボモータ等で駆動される公
知のトグルリンク機構よりなる型開閉メカニズムによっ
て、固定ダイプレ−１〜１に接近もしくは離間する方向
にスライド駆動される。In the figure, 1 is a fixed die plate fixed on a base (not shown), 2 is a movable die plate 1-, one end of which is guided by a tie bar 3 fixed to the fixed die plate 1, and is connected to a hydraulic cylinder, an electric servo, etc. The mold opening/closing mechanism, which is a known toggle link mechanism driven by a motor or the like, is slid in the direction toward or away from the fixed die plates 1 to 1.
４は固定ダイプレート１に刻設されたホルダー溝で、そ
の両側には切欠き係合部４ａが形成されている。５は可
動ダイプレー１−２に刻設されたホルダー溝で、その両
側には切欠き係合部５ａが形成されていると共に、その
中央部位には後記する可動側入子金型８のエジェクター
装置１０が充分に作動できる大きさの凹部５ｂが形成さ
れている。Reference numeral 4 denotes a holder groove carved in the fixed die plate 1, and notch engaging portions 4a are formed on both sides of the holder groove. Reference numeral 5 denotes a holder groove carved in the movable die plate 1-2, and notch engaging portions 5a are formed on both sides of the holder groove, and an ejector device for the movable insert mold 8, which will be described later, is provided in the center of the holder groove. A recessed portion 5b is formed in a size that allows the device 10 to fully operate.
６は固定側入子金型で、その取付は面側の両側には、上
記固定側のホルダー溝４の切欠き係合部４ａと合致する
形状寸法の係合用の突出部７が形成されている。８は可
動側入子金型で、その取付は面側の両側には、前記可動
側のホルダー溝５の切欠き係合５ａと合致する形状の係
合用の突出部９が形成されている。また、可動側入子金
型８の取付は面側の中央部位には、公知のエジェクター
装置１０が装着されている。Reference numeral 6 denotes a stationary side inserting mold, and its installation is carried out by forming engagement protrusions 7 on both sides of the surface side, the shape and dimensions of which match the notch engagement section 4a of the stationary side holder groove 4. There is. Reference numeral 8 denotes a movable side inserting mold, and its attachment is provided on both sides of the surface with engagement protrusions 9 having a shape that matches the notch engagement 5a of the movable side holder groove 5. In addition, a known ejector device 10 is attached to the central portion of the mounting surface side of the movable insert mold 8.
そして、固定側入子金型６は、その突出部７を固定ダイ
プレー１〜１の明欠き係合部４ａに合致させた状態でホ
ルダー溝４に図示上方から挿入された後、必要に応じ適
宜固定手段によって固定ダイプレートｌに直接固定され
る。同様に、可動側入子金型８は、その突出部９を可動
ダイプレー１〜５の切欠き係合部５ａに、またエジェク
ター装置１０を凹部５ｂに各々合致させた状態でホルダ
ー溝５に図示上方から挿入された後、必要に応じ適宜固
定手段によって可動ダイプレート２に直接固定される。Then, the stationary side nesting mold 6 is inserted into the holder groove 4 from above in the figure with its protruding portion 7 aligned with the notch engaging portion 4a of the stationary die plate 1 to 1, and then It is fixed directly to the fixed die plate l by means of fixing means. Similarly, the movable insert mold 8 is shown in the holder groove 5 with its protrusion 9 aligned with the notch engaging portion 5a of the movable die plate 1 to 5, and the ejector device 10 aligned with the recess 5b. After being inserted from above, it is directly fixed to the movable die plate 2 by appropriate fixing means as necessary.
上記した構成をとる該実施例においては、固定側及び可
動側入子金型６，８が固定及び可動ダイプレート１，２
に直接取付けられているので、部品点数が削減でき構造
も簡素となる。よって、部品作製費が低減でき、取付は
作業性も良好となる。In this embodiment having the above-described configuration, the fixed and movable inserting molds 6 and 8 are fixed and movable die plates 1 and 2.
Since it is directly attached to the holder, the number of parts can be reduced and the structure can be simplified. Therefore, the manufacturing cost of parts can be reduced, and the workability of mounting can be improved.
また、前述した金型ホルダーがないので、その分だけ累
積誤差も少くなる。更にまた、金型ホルダーがない分だ
けその厚み相当分の寸法だけ、即ち前記第３図でＬＬ、
Ｌ２で示した寸法だけ全体の厚さが低減できる。これは
、キャビチーまでの溶融樹脂通路をその分だけ短かく出
来ることを意味し、成形条件上有利である。なお、前述
した従来例の如き金型ホルダーのガイドピン１４ｂはな
い構成となっているが、固定及び可動ダイプレート１．
２の平行度はタイバー３によって確保されている上、固
定側及び可動側入子金型６，８相互にもガイドピン１８
が機能しているので、雄雌の合わせ精度は確保されてい
る。Furthermore, since there is no mold holder as described above, the cumulative error is reduced accordingly. Furthermore, there is a dimension equivalent to the thickness of the mold holder, that is, LL in FIG.
The overall thickness can be reduced by the dimension indicated by L2. This means that the molten resin path to the cavity can be shortened accordingly, which is advantageous in terms of molding conditions. Although the mold holder does not have the guide pin 14b of the conventional example described above, the fixed and movable die plate 1.
2 is ensured by the tie bar 3, and guide pins 18 are also provided between the stationary side and movable side inserting molds 6 and 8.
is functioning, so the accuracy of male and female matching is ensured.
以上本発明を図示した実施例によって説明したが、当業
者にはホルダー溝４，５の形状変更等、本発明の精神を
逸脱しない範囲で種々の変形が考え得ること勿論である
。Although the present invention has been described above with reference to the illustrated embodiments, those skilled in the art will of course be able to make various modifications, such as changing the shape of the holder grooves 4 and 5, without departing from the spirit of the present invention.
［発明の効果］
斜上のように本発明によれば、固定側及び可動側金型の
取付は構造が極めてシンプルなものとなって、部品点数
の可及的な削減を可能とし、且つ、固定及び可動ダイプ
レー１〜側構成要素の厚さを低減できる射出成形用金型
を提供でき、その産業的価値は多大である。[Effects of the Invention] As shown above, according to the present invention, the structure of mounting the fixed side and movable side molds is extremely simple, making it possible to reduce the number of parts as much as possible, and It is possible to provide an injection mold that can reduce the thickness of the fixed and movable die plate 1 to side components, and its industrial value is great.
第１図及び第２図は本発明の１実施例に係り、第１図は
射出成形用金型の簡略化した要部分解斜視図、第２図は
エジェクター装置、ガイドピン等を示す要部斜視図、第
３図は従来の射出成形用金型の要部分解斜視図である。
ｌ・・・・・・固定ダイプレート、２・・・・・・可動
ダイプレート、３・・・・・・タイバー、４・・・・・
・固定側のホルダー溝、４ａ・・・・・・切欠き係合部
、５・・・・・・可動側のホルダー溝、５ａ・・・・・
・切欠き係合部、５ｂ・・・・・・係合部、６・・・・
・・固定側入子金型、７・・・・・・突出部、８・・・
・・・可動側入子金型、９・・・・・・突出部、ｌＯ・
・・・・・エジェクター装置、１８・・・・・・ガイド
ピン。1 and 2 relate to one embodiment of the present invention, FIG. 1 is a simplified exploded perspective view of the main parts of an injection mold, and FIG. 2 is the main parts showing the ejector device, guide pins, etc. FIG. 3 is an exploded perspective view of the main parts of a conventional injection mold. l...Fixed die plate, 2...Movable die plate, 3...Tie bar, 4...
・Fixed side holder groove, 4a... Notch engaging part, 5... Movable side holder groove, 5a...
・Notch engagement part, 5b...Engagement part, 6...
... Fixed side inserting mold, 7 ... Protrusion part, 8 ...
...Movable side inserting mold, 9...Protrusion part, lO・
...Ejector device, 18...Guide pin.
Claims (1)
この固定側入子金型及び可動側入子金型を固定ダイプレ
ート並びに可動ダイプレートのホルダー溝にそれぞれ直
接装着するようにしたことを特徴とする射出成形用金型
。The fixed side mold and the movable side mold are both molds with a nested structure,
An injection molding die characterized in that the fixed side inserting die and the movable side inserting die are directly attached to holder grooves of a fixed die plate and a movable die plate, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16907388A JPH0220314A (en) | 1988-07-08 | 1988-07-08 | Metallic mold for injection molding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16907388A JPH0220314A (en) | 1988-07-08 | 1988-07-08 | Metallic mold for injection molding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0220314A true JPH0220314A (en) | 1990-01-23 |
Family
ID=15879826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16907388A Pending JPH0220314A (en) | 1988-07-08 | 1988-07-08 | Metallic mold for injection molding |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0220314A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0647783A (en) * | 1991-10-10 | 1994-02-22 | Gencorp Inc | Injection molding machine with rapid mold replacing device |
| JPH06182823A (en) * | 1992-12-17 | 1994-07-05 | Aron Kasei Co Ltd | Replacement of mold using crane in injection molding machine |
| WO1995015247A1 (en) * | 1993-11-30 | 1995-06-08 | Armin Spiess | System for handling casting molds |
| FR2765140A1 (en) * | 1997-06-27 | 1998-12-31 | Peugeot | Pressure injection moulding machine die location and mounting equipment |
| JP2006315058A (en) * | 2005-05-13 | 2006-11-24 | Toshiba Mach Co Ltd | Mold clamping device for die-casting machine, mold changing method using the mold clamping device, and changing system of moving side die plate |
| CN108162307A (en) * | 2017-12-24 | 2018-06-15 | 谢涛 | The mold mounting plate and mould disks of a kind of injection moulding machine |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6266916A (en) * | 1985-09-18 | 1987-03-26 | Toshiba Mach Co Ltd | Electric motor driven injection molding machine |
-
1988
- 1988-07-08 JP JP16907388A patent/JPH0220314A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6266916A (en) * | 1985-09-18 | 1987-03-26 | Toshiba Mach Co Ltd | Electric motor driven injection molding machine |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0647783A (en) * | 1991-10-10 | 1994-02-22 | Gencorp Inc | Injection molding machine with rapid mold replacing device |
| JPH06182823A (en) * | 1992-12-17 | 1994-07-05 | Aron Kasei Co Ltd | Replacement of mold using crane in injection molding machine |
| WO1995015247A1 (en) * | 1993-11-30 | 1995-06-08 | Armin Spiess | System for handling casting molds |
| US6065950A (en) * | 1993-11-30 | 2000-05-23 | Spiess; Armin | System for manufacturing molded articles and engineering mold cavities |
| FR2765140A1 (en) * | 1997-06-27 | 1998-12-31 | Peugeot | Pressure injection moulding machine die location and mounting equipment |
| JP2006315058A (en) * | 2005-05-13 | 2006-11-24 | Toshiba Mach Co Ltd | Mold clamping device for die-casting machine, mold changing method using the mold clamping device, and changing system of moving side die plate |
| CN108162307A (en) * | 2017-12-24 | 2018-06-15 | 谢涛 | The mold mounting plate and mould disks of a kind of injection moulding machine |
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