JP3104325B2 - Resin molding equipment - Google Patents
Resin molding equipmentInfo
- Publication number
- JP3104325B2 JP3104325B2 JP03250966A JP25096691A JP3104325B2 JP 3104325 B2 JP3104325 B2 JP 3104325B2 JP 03250966 A JP03250966 A JP 03250966A JP 25096691 A JP25096691 A JP 25096691A JP 3104325 B2 JP3104325 B2 JP 3104325B2
- Authority
- JP
- Japan
- Prior art keywords
- molded product
- mold
- gate
- slide core
- resin
- 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 - Fee Related
Links
- 239000011347 resin Substances 0.000 title claims description 26
- 229920005989 resin Polymers 0.000 title claims description 26
- 238000000465 moulding Methods 0.000 title claims description 14
- 238000001816 cooling Methods 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 230000013011 mating Effects 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
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
-
- 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
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、成形品端面あるいは、
成形品表面にゲート設定できないものに成形品裏面より
ゲートを設定する金型装置に関するものである。The present invention relates to an end face of a molded product or
The present invention relates to a mold apparatus for setting a gate from the back surface of a molded product to a device whose gate cannot be set on the surface of the molded product.
【０００２】[0002]
【従来の技術】従来この種の金型装置は、図４及び、図
５に示す構造となっていた。2. Description of the Related Art Conventionally, this type of mold apparatus has a structure shown in FIGS.
【０００３】図５において、８ａは斜線部が製品表面
で、端面が他成形品との合わせ面となる成形品である。In FIG. 5, reference numeral 8a denotes a molded product in which a hatched portion is a product surface and an end surface is a mating surface with another molded product.
【０００４】図４は、図５の成形品８ａの金型装置で、
９は固定側型板で、成形品８ａの形状を形成し、かつ溶
融樹脂の流路１０を有する。１１はサブマリンゲートで
流路１０から成形品８ａに溶融樹脂を流す流路である。
８ｂはリブでサブマリンゲート１１から成形品８ａへの
溶融樹脂の流入部となる。もちろん成形品の一部であ
る。１２は可動側型板で、成形品８ａの裏面形状を形成
し、サブマリンゲート１１を有する。FIG. 4 shows a mold apparatus for the molded product 8a shown in FIG.
Reference numeral 9 denotes a stationary mold plate which forms the shape of the molded product 8a and has a flow path 10 for molten resin. Reference numeral 11 denotes a submarine gate, which is a flow path for flowing the molten resin from the flow path 10 to the molded product 8a.
Reference numeral 8b denotes a rib which serves as an inflow portion of the molten resin from the submarine gate 11 to the molded product 8a. Of course, it is a part of the molded product. Reference numeral 12 denotes a movable mold plate which forms the back surface of the molded product 8a and has a submarine gate 11.
【０００５】以上のように構成された金型装置で、以下
その動作について説明する。まず、型閉じ後、図示しな
い成形機より溶融樹脂が射出される。樹脂は、固定側型
板９に設けられた流路を通り、サブマリンゲート１１に
より絞られリブ８ｂより成形品としての空間に流れこ
む。一致の冷却時間の後、型開きが行われ突出し時、サ
ブマリンゲート１１先端とリブ８ｂが切断され離型す
る。The operation of the thus configured die apparatus will be described below. First, after closing the mold, a molten resin is injected from a molding machine (not shown). The resin passes through a flow path provided in the fixed side mold plate 9, is squeezed by the submarine gate 11, and flows into the space as a molded product from the rib 8 b. After the coincident cooling time, the mold is opened, and when protruding, the tip of the submarine gate 11 and the rib 8b are cut and released.
【０００６】[0006]
【発明が解決しようとする課題】しかしながら上記のよ
うな構成では、側面にアンダーカット形状あるいは、側
面に抜き勾配が付けれない場合使用できない。つまり、
成形品表面にゲート設定し、ゲート跡が成形品に残り外
観品質を低下させるという問題点を有していた。However, the above configuration cannot be used unless the undercut shape is formed on the side surface or the side surface has no draft. That is,
There is a problem in that a gate is set on the surface of the molded article, and the gate mark remains on the molded article to degrade the appearance quality.
【０００７】そこで本発明は上記問題点に鑑み、側面が
スライドコア構造となり、成形品端面あるいは成形品表
面にゲート設定ができないものに成形品裏面よりゲート
を設定する金型装置を提供するものである。In view of the above problems, the present invention provides a mold apparatus for setting a gate from the back surface of a molded product to a device having a slide core structure on a side surface and a gate cannot be set on an end surface of the molded product or a surface of the molded product. is there.
【０００８】[0008]
【課題を解決するための手段】上記問題点を解消するた
めに本発明の樹脂成形金型装置は、成形品の側面形状部
を形成し、樹脂流路を設けたスライドコアと、このスラ
イドコアと当接し、スライドコアから成形品に樹脂を流
すためのゲートを設け、突出し時型開き方向とある角度
を成して摺動する摺動部とを備えたことを特徴とする。SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, a resin molding die apparatus according to the present invention comprises a slide core having a side surface portion of a molded product and a resin flow path provided therein. A gate for flowing resin from the slide core to the molded article, and a sliding portion that slides at a certain angle with the mold opening direction at the time of protrusion.
【０００９】[0009]
【作用】本発明は上記構成により、固定側型板に設けら
れた溶融樹脂流路からの樹脂をスライドコア内を通し、
摺動部に設けられたゲートにより成形品に流しこむた
め、成形品端面のゲート処理が不必要でかつ成形品表面
の外観品質を損なわないと言う点で極めて有利である。According to the present invention, with the above structure, the resin from the molten resin flow path provided in the fixed mold plate is passed through the inside of the slide core,
Since it flows into the molded product by the gate provided in the sliding portion, it is extremely advantageous in that gate treatment of the end surface of the molded product is unnecessary and the appearance quality of the molded product surface is not impaired.
【００１０】[0010]
【実施例】以下、本発明の一実施例における樹脂成形金
型装置について、図面を参照しながら説明する。図１，
図２において、１は成形品、２は固定側型板で前記成形
品１の形状を形成し、かつ溶融樹脂の流路３を有す。４
はスライドコアで成形品の側面形状を有し、固定側型板
２に設けられた樹脂流路３からの樹脂を通す流路を有
し、型閉じ，型開き方向と垂直方向に摺動可能である。
５はアンギュランピンで一端を固定側型板２に固定され
他端でスライドコア４を型閉じ，型開き時その方向に対
し垂直方向に案内する。６は傾斜ピンでスライドコア４
と当接し、スライドコア４からの樹脂を成形品１に流す
ためのゲート部と成形品の裏面形状の一部を有し、型開
き後突出し時突出し方向と一定の角度をもって摺動可能
である。７は可動側型板でスライドコア４と傾斜ピン６
を摺動方向へ案内し、成形品の一部を形成する。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a resin molding apparatus according to an embodiment of the present invention. Figure 1
In FIG. 2, reference numeral 1 denotes a molded product, 2 denotes a fixed-side mold plate which forms the shape of the molded product 1 and has a flow path 3 for molten resin. 4
Is a slide core having a side surface shape of a molded product, having a flow path through which resin flows from a resin flow path 3 provided in the fixed side mold plate 2, and being slidable in a direction perpendicular to the mold closing and mold opening directions. It is.
Reference numeral 5 denotes an angular pin, one end of which is fixed to the fixed side mold plate 2 and the other end of which closes the slide core 4 and guides the slide core 4 in a direction perpendicular to that direction when the mold is opened. 6 is an inclined pin and a slide core 4
Has a gate portion for flowing resin from the slide core 4 to the molded product 1 and a part of the back surface shape of the molded product, and is slidable at a certain angle with respect to the projecting direction at the time of projecting after opening the mold. . Reference numeral 7 denotes a movable mold plate, and the slide core 4 and the inclined pin 6
Is guided in the sliding direction to form a part of the molded product.
【００１１】以上のように構成された樹脂成形金型装置
についてその動作を説明する。図１は型閉じ時の成形金
型装置を示すものであって、図示しない成形機より溶融
樹脂が射出され固定側型板２に設けられた流路３ａを通
りスライドコア４へ流入し、傾斜ピン６に設けられたゲ
ートにより成形品としての空間に流れこむ。The operation of the resin molding apparatus having the above-described structure will be described. FIG. 1 shows a molding die apparatus when a mold is closed, in which a molten resin is injected from a molding machine (not shown), flows into a slide core 4 through a flow path 3a provided in a fixed side mold plate 2, and is inclined. It flows into the space as a molded product by the gate provided on the pin 6.
【００１２】図３は一定の冷却時間の後、型開きが行わ
れ突出し時の成形金型装置を示すもので、スライドコア
４は型開き時アンギュラピン５により型開き方向と垂直
方向に後退している。突出し時傾斜ピン６は可動側型板
７の突出し方向と一定角度を持つ摺動面に沿って摺動し
ゲート部のアンダーカットを外し成形品１を離型させ
る。FIG. 3 shows the molding apparatus when the mold is opened after a certain cooling time and the mold is ejected. The slide core 4 is retracted by an angular pin 5 when the mold is opened in a direction perpendicular to the mold opening direction. ing. When protruding, the inclined pin 6 slides along a sliding surface having a certain angle with the protruding direction of the movable mold plate 7 to remove the undercut of the gate portion and release the molded product 1.
【００１３】本実施例の構成の成形金型装置であれば、
スライドコア構造でも成形品の裏面にゲート設定がで
き、ゲート跡が成形品に残り外観品質を低下させるとい
う事がない。In the case of the molding die apparatus having the structure of this embodiment,
Even with the slide core structure, a gate can be set on the back surface of the molded product, and there is no possibility that gate marks remain on the molded product and deteriorate the appearance quality.
【００１４】[0014]
【発明の効果】以上のように本発明は、スライドコア内
に溶融樹脂を通し摺動部に設けられたゲートにより成形
品に流しこむため、成形品端面のゲート処理が不必要で
かつ成形品表面の外観品質を損なわないと言う点で極め
て有利である。As described above, according to the present invention, the molten resin is passed through the slide core and is poured into the molded product by the gate provided at the sliding portion. This is extremely advantageous in that the appearance quality of the surface is not impaired.
【図１】本発明の一実施例における樹脂成形金型装置の
型閉じ時の部分断面図FIG. 1 is a partial sectional view of a resin molding apparatus according to an embodiment of the present invention when the mold is closed.
【図２】図１に示す同樹脂成形金型装置の可動側部分斜
視図FIG. 2 is a perspective view of the movable side of the resin molding apparatus shown in FIG.
【図３】同樹脂成形金型装置の型開き後突出し時の部分
断面図FIG. 3 is a partial cross-sectional view of the resin molding die apparatus when it is protruded after opening the mold.
【図４】従来の樹脂成形金型装置の型閉じ時の部分断面
図FIG. 4 is a partial cross-sectional view of a conventional resin molding apparatus when the mold is closed.
【図５】成形品の斜視図FIG. 5 is a perspective view of a molded product.
１，８ 成形品 ２，９ 固定側型板 ３，１０ 流路 ４ スライドコア ５ アンギュラピン ６ 傾斜ピン ７，１２ 可動側型板 １１ サブマリンゲート 1,8 Molded product 2,9 Fixed mold plate 3,10 Flow path 4 Slide core 5 Angular pin 6 Inclined pin 7,12 Movable mold plate 11 Submarine gate
フロントページの続き (56)参考文献 特開 昭61−40127（ＪＰ，Ａ) 特開 昭59−19128（ＪＰ，Ａ) 実開 昭61−59017（ＪＰ，Ｕ) 実開 平３−64727（ＪＰ，Ｕ) 実開 平２−40513（ＪＰ，Ｕ) 実開 平１−125618（ＪＰ，Ｕ) 実開 昭57−22911（ＪＰ，Ｕ) 実開 昭59−17915（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.7，ＤＢ名) B29C 45/26 - 45/44 B29C 33/00 - 33/76 Continuation of front page (56) References JP-A-61-40127 (JP, A) JP-A-59-19128 (JP, A) JP-A-61-59017 (JP, U) JP-A-3-64727 (JP) , U) Japanese Utility Model 240513 (JP, U) Japanese Utility Model 1-125618 (JP, U) Japanese Utility Model 57-22911 (JP, U) Japanese Utility Model 59-17915 (JP, U) (58) Field surveyed (Int. Cl. 7 , DB name) B29C 45/26-45/44 B29C 33/00-33/76
Claims (1)
を設けたスライドコアと、このスライドコアと当接し、
スライドコアから成形品に樹脂を流すためのゲートを設
け、突出し時型開き方向とある角度を成して摺動する摺
動部とを備えたことを特徴とする樹脂成形金型装置。1. A slide core forming a side surface portion of a molded article and having a resin flow path, and abutting on the slide core,
A resin molding die device, comprising: a gate for flowing resin from a slide core to a molded product; and a sliding portion that slides at an angle with a direction in which the mold is opened when protruding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP03250966A JP3104325B2 (en) | 1991-09-30 | 1991-09-30 | Resin molding equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP03250966A JP3104325B2 (en) | 1991-09-30 | 1991-09-30 | Resin molding equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0584753A JPH0584753A (en) | 1993-04-06 |
| JP3104325B2 true JP3104325B2 (en) | 2000-10-30 |
Family
ID=17215674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP03250966A Expired - Fee Related JP3104325B2 (en) | 1991-09-30 | 1991-09-30 | Resin molding equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3104325B2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102107499B (en) * | 2009-12-28 | 2013-07-03 | 海尔集团公司 | Injection mould provided with core-pulling mechanism driven by mould opening and closing actions |
| CN102529030B (en) * | 2011-12-31 | 2014-07-02 | 青岛海尔模具有限公司 | Mold with internal core-pulling mechanism without external locking force |
| CN103386738B (en) * | 2013-07-29 | 2016-06-01 | 徐州工业职业技术学院 | Mould is with two grades of slide block devices |
| CN106313451B (en) * | 2016-11-15 | 2018-09-04 | 昆山鸿永盛模具有限公司 | A kind of reverse buckle demolding mechanism |
| JP6637098B2 (en) * | 2018-03-30 | 2020-01-29 | 本田技研工業株式会社 | Resin molding equipment |
-
1991
- 1991-09-30 JP JP03250966A patent/JP3104325B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0584753A (en) | 1993-04-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |