JPH0517673B2 - - Google Patents
Info
- Publication number
- JPH0517673B2 JPH0517673B2 JP59054001A JP5400184A JPH0517673B2 JP H0517673 B2 JPH0517673 B2 JP H0517673B2 JP 59054001 A JP59054001 A JP 59054001A JP 5400184 A JP5400184 A JP 5400184A JP H0517673 B2 JPH0517673 B2 JP H0517673B2
- Authority
- JP
- Japan
- Prior art keywords
- insert
- mold
- pin
- sliding pin
- space
- 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
Links
- 238000000465 moulding Methods 0.000 claims description 13
- 239000011347 resin Substances 0.000 description 11
- 229920005989 resin Polymers 0.000 description 11
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
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
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14065—Positioning or centering articles in the mould
- B29C2045/14163—Positioning or centering articles in the mould using springs being part of the positioning means
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、インサート片の一方の面のみ露出さ
せたインサート成形部品を成形するインサート成
形金型に関する。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to an insert molding die for molding an insert molded part in which only one surface of the insert piece is exposed.
従来の構成とその問題点
従来のインサート成形金型を第１図にその具体
例を示す。Conventional configuration and its problems Figure 1 shows a specific example of a conventional insert molding die.
図示のように、インサート片１を金型下型入子
３と、金型上型入子２内に設置された固定ピン７
とではさみ込み保持するものであつた。 As shown in the figure, the insert piece 1 is attached to the lower die insert 3 of the mold and the fixing pin 7 installed in the upper die insert 2 of the mold.
It was held in place by holding it in place.
このような構成では、第２図に示すインサート
成形部品のようにＡ部（前記固定ピン７の場所）
に穴が明き、この部分でインサート片１の一部が
露出することになり、別工程でＡ部を埋めるか、
カバーをする必要があり、部品管理上、また組立
工程上において問題があつた。 In such a configuration, as in the insert molded part shown in FIG.
There will be a hole in the hole, and a part of the insert piece 1 will be exposed at this part.
It was necessary to cover it, which caused problems in parts management and assembly process.
発明の目的
本発明は、前記従来の欠点を解消するものであ
り、インサート成形品品質の向上と、組立を簡素
化することを目的とする。OBJECTS OF THE INVENTION The present invention eliminates the above-mentioned conventional drawbacks, and aims to improve the quality of insert molded products and simplify assembly.
発明の構成
本発明は、金型下型入子と金型上型入子間に薄
板のインサート片をはさみ、空間部を前記金型下
型入子と金型上型入子に連接し、前記インサート
片の一方の金型下型入子の空間部を架橋して金型
下型入子上に在る端部を、金型上型入子の上部よ
り空間部において突出するピンにて押圧し、前記
インサート片の一方の面のみを露出させるインサ
ート成形部品を成形する金型において、前記ピン
を上下に摺動できるピン（以下摺動ピンという。）
に構成し、前記摺動ピンの頭部上に、上部を金型
上型板に設けた孔の底部で移動を制限された押圧
ばねを載置し、摺動ピンの先端部に径に差のある
部分を構成したことを特徴とし、本発明は前記構
成によりインサート成形部品の品質を大巾に向上
するとともに、組立工程の消滅がはかれるという
効果を生ずる。Structure of the Invention The present invention includes sandwiching a thin plate insert between a lower mold insert and an upper mold insert, connecting a space to the lower mold insert and the upper mold insert, Bridge the space of the lower mold insert of one of the insert pieces and connect the end of the insert piece above the lower mold insert with a pin that protrudes from the upper part of the upper mold insert in the space. A pin (hereinafter referred to as a sliding pin) that allows the pin to slide up and down in a mold for molding an insert molded part by pressing and exposing only one surface of the insert piece.
A pressure spring whose upper part is restricted in movement by the bottom of a hole provided in the upper template of the mold is placed on the head of the sliding pin, and a pressure spring with a diameter difference is placed at the tip of the sliding pin. According to the present invention, the quality of the insert-molded parts is greatly improved, and the assembly process can be eliminated.
実施例の説明
以下に、本発明の一実施例を第３図〜第１０図
にもとづいて説明する。DESCRIPTION OF EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. 3 to 10.
第３図は本発明のインサート成形金型の一実施
例の断面図、第４図は第３図の要部拡大断面図、
第５図は樹脂が樹脂充填した状態を示す拡大断面
図、を示す。 FIG. 3 is a sectional view of an embodiment of the insert molding die of the present invention, FIG. 4 is an enlarged sectional view of the main part of FIG. 3,
FIG. 5 is an enlarged sectional view showing a state in which the resin is filled with resin.
図において、９はインサート片、１０は金型上
型入子、１１は金型下型入子、１２は摺動ピン、
１３は押圧ばね、１４はインサート片９を金型下
型入子１１側に正しく挿入するための位置決めピ
ン、１５は金型上型板、１６は金型下型板、９−
１は孔、１０−１はインサート成形品の底部とな
る空間部、１０−２は位置決めピン１４の先端を
挿入する穴、１１−１はインサート成形品の側板
となる長方形の空間部、を示す。 In the figure, 9 is an insert piece, 10 is a mold upper mold insert, 11 is a mold lower mold insert, 12 is a sliding pin,
13 is a pressure spring; 14 is a positioning pin for correctly inserting the insert piece 9 into the lower mold insert 11; 15 is an upper mold plate; 16 is a lower mold plate; 9-
1 is a hole, 10-1 is a space that will be the bottom of the insert molded product, 10-2 is a hole into which the tip of the positioning pin 14 is inserted, and 11-1 is a rectangular space that will be the side plate of the insert molded product. .
本発明のインサート成形金型の構成とインサー
ト成形部品の成形法を説明する。 The structure of the insert molding die of the present invention and the method for molding insert molded parts will be explained.
インサート片９の一方の端部に設けた孔９−１
に金型下型入子１１に下部により上面部上に突出
して設けた位置決めピン１４に正しく挿入し、他
方の端部は空間部１１−１を架橋して配設し、金
型上型入子１０の穴１０−２に位置決めピン１４
を挿入し、インサート片９上面と金型上型入子１
０の下面を接触させる。前記状態において、空間
部１０−１と空間部１１−１が連結され空間部１
７の断面形状を〓に構成する。インサート片９の
空間部１１−１を越えて金型上型入子１１に在る
端部を、金型上型入子１０に上部より下面部の空
間部１０−１において突出する摺動ピン１２で押
圧する。金型上型入子１０上部に配設した金型上
型型板１５に摺動ピン１２の頭部１２−１の直上
部に円筒形孔部１５−１を穿設し、孔部１５−１
にばね１３を挿入して、摺動ピン１２の頭部１２
−１を押圧し、摺動ピン１２でインサート片９の
端部の浮上りを防止する。この状態では、摺動ピ
ン１２は、その後部に設置されたばね１３により
押されて前進限の位置にある。 Hole 9-1 provided at one end of insert piece 9
The lower part of the lower mold insert 11 is inserted into the positioning pin 14 protruding above the upper surface part, and the other end is arranged to bridge the space 11-1, and the upper mold insert of the mold is inserted into the upper mold insert 11. Positioning pin 14 in hole 10-2 of child 10
Insert the upper surface of the insert piece 9 and the upper mold insert 1 of the mold.
Touch the bottom surface of 0. In the above state, the space 10-1 and the space 11-1 are connected, and the space 1
The cross-sectional shape of 7 is configured as 〓. A sliding pin that extends beyond the space 11-1 of the insert piece 9 and is located in the mold upper mold insert 11 into the mold upper mold insert 10 from the upper part in the space 10-1 of the lower surface part. Press with 12. A cylindrical hole 15-1 is bored directly above the head 12-1 of the sliding pin 12 in the upper mold plate 15 disposed above the upper mold insert 10, and the hole 15- 1
Insert the spring 13 into the head 12 of the sliding pin 12.
-1 to prevent the end of the insert piece 9 from floating up using the sliding pin 12. In this state, the sliding pin 12 is pushed by the spring 13 installed at the rear thereof and is at the forward limit position.
この後、金型上型入子１０と金型下型入子１１
とにより形成された空間部１７内に樹脂１８が流
入し、充填完了直前時点において、第４図、第５
図に示すよう摺動ピン１２の径d2と、摺動ピン１
２の先端部の径d1との差分に相当する部分の面積
に、流入した樹脂１８の圧力が働き、摺動ピン１
２はストローク分後退する。この際、摺動ピン
１２とインサート片９との間Ｂ部に樹脂１８が流
れ込み、この状態で樹脂１８は冷却され固化す
る。このようにして成形されたインサート成形部
品を第７図〜第１０図に示す。 After this, the mold upper mold insert 10 and the mold lower mold insert 11
The resin 18 flows into the space 17 formed by the above, and immediately before the filling is completed, as shown in FIGS. 4 and 5.
As shown in the figure, the diameter d 2 of the sliding pin 12 and the sliding pin 1
The pressure of the inflowing resin 18 acts on the area corresponding to the difference from the diameter d 1 of the tip of the sliding pin 1.
2 moves backward by the stroke. At this time, the resin 18 flows into part B between the sliding pin 12 and the insert piece 9, and in this state, the resin 18 is cooled and solidified. The insert molded parts molded in this manner are shown in FIGS. 7 to 10.
以上のように、本発明の実施例によれば、イン
サート片９を金型内にはさみ込む際に、先端部に
径の差をもうけた摺動ピン１２を金型上型入子１
０内に設置し、その後部にばね１３を設置するこ
とで、成形時の樹脂１８の圧力によつて後退し、
摺動ピン１２の先端部とインサート片９の間に樹
脂部をもうけることができ、インサート片９の金
型下型入子１１側のみ露出させたインサート成形
部品を成形することができる。 As described above, according to the embodiment of the present invention, when inserting the insert piece 9 into the mold, the sliding pin 12 having a diameter difference at the tip is inserted into the upper mold insert 1 of the mold.
By installing the spring 13 at the rear of the spring 13, it will retreat due to the pressure of the resin 18 during molding.
A resin part can be provided between the tip of the sliding pin 12 and the insert piece 9, and an insert molded part can be molded in which only the lower mold insert 11 side of the insert piece 9 is exposed.
なお、本発明の実施例においては、摺動ピン１
２の先端部は段付きにして径の差をもうけたが、
第６図に示すように、先端部をテーパー状に変化
させてもよく、また摺動ピン１２およびばね１３
の設置を金型下型入子１１側としてもよいことは
言うまでもない。 In addition, in the embodiment of the present invention, the sliding pin 1
The tip of 2 is stepped to create a difference in diameter,
As shown in FIG. 6, the tip portion may be tapered, and the sliding pin 12 and spring 13
Needless to say, it may be installed on the lower mold insert 11 side of the mold.
発明の効果
以上のように本発明は、金型上型入子内に、先
端部に径の差のある摺動ピンを設置し、その後部
にばねを設置することにより、片閉状態でインサ
ート片を浮上ることなくはさみ込み保持すること
ができ、成形時の樹脂の圧力で摺動ピンが後退し
てインサート片と摺動ピン先端部との間に樹脂が
流れ込むことから、インサート片の一方の面のみ
露出させたインサート成形部品を成形することが
でき、大きい実用効果を生ずる。Effects of the Invention As described above, the present invention installs sliding pins with different diameters at their tips in the upper mold insert, and installs a spring at the rear of the slide pins, so that the insert can be closed in one side. It is possible to sandwich and hold the pieces without floating up, and because the sliding pin retreats due to the pressure of the resin during molding and the resin flows between the insert piece and the tip of the sliding pin, one side of the insert piece It is possible to mold insert-molded parts with only the surface exposed, resulting in great practical effects.
第１図は従来のインサート成形金型の断面図、
第２図は前記第１図の金型により成形されたイン
サート成形部品の断面図、第３図は本発明のイン
サート成形金型の一実施例の断面図、第４図は第
３図の要部拡大断面図、第５図は樹脂が充填した
状態を示す拡大断面図、第６図は本発明の一実施
例における摺動ピンの先端形状をテーパーとした
部分平面図、第７図は本発明のインサート成形金
型の正面図、第８図は第７図のＣ−Ｃ断面図、第
９図は第７図のＤ−Ｄ断面図、第１０図は第７図
の裏面図、を示す。
９……インサート片、９−１……インサート片
の孔、１０……金型上型入子、１０−１……空間
部、１０−２……穴、１１……金型下型入子、１
１−１……空間部、１２……摺動ピン、１３……
押圧ばね、１４……位置決めピン、１５……金型
上型型板、１６……金型下型型板、１７……連結
された空間部。
Figure 1 is a cross-sectional view of a conventional insert mold.
FIG. 2 is a sectional view of an insert molded part molded by the mold shown in FIG. 1, FIG. 3 is a sectional view of an embodiment of the insert molding mold of the present invention, and FIG. 5 is an enlarged sectional view showing a state filled with resin, FIG. 6 is a partial plan view showing a tapered tip of a sliding pin in an embodiment of the present invention, and FIG. A front view of the insert molding die of the invention, FIG. 8 is a cross-sectional view taken along line C-C in FIG. 7, FIG. 9 is a cross-sectional view taken along line D-D in FIG. 7, and FIG. show. 9... Insert piece, 9-1... Hole of insert piece, 10... Mold upper mold insert, 10-1... Space, 10-2... Hole, 11... Mold lower mold insert ,1
1-1...Space part, 12...Sliding pin, 13...
Pressing spring, 14... Positioning pin, 15... Mold upper mold plate, 16... Mold lower mold plate, 17... Connected space.
Claims (1)
サート片をはさみ、空間部を前記金型下型入子と
金型上型入子に連接して構成し、前記インサート
片の一方の金型下型入子の空間部を架橋して金型
下型入子上に在る端部を、金型上型入子の上部よ
り空間部において突出するピンにて押圧し、前記
インサート片の一方の面のみを露出させるインサ
ート成形部品を成形する金型において、前記ピン
を上下に摺動できるピン（以下摺動ピンという。）
に構成し、前記摺動ピンの頭部上に、上部を金型
上型型板に設けた孔の底部で移動を制限された押
圧ばねを載置し、摺動ピンの先端部に径の差のあ
る部分を構成したインサート成形金型。1 A thin plate insert piece is sandwiched between a lower mold insert and an upper mold insert, a space is connected to the lower mold insert and the upper mold insert, and the insert piece bridging the space of one of the lower mold inserts and pressing the end on the lower mold insert with a pin protruding in the space from the upper part of the upper mold insert; In a mold for molding an insert molded part that exposes only one surface of the insert piece, a pin that allows the pin to slide up and down (hereinafter referred to as a sliding pin).
A pressure spring whose upper part is restricted in movement by the bottom of a hole provided in the upper template of the mold is placed on the head of the sliding pin, and a pressure spring of a diameter is placed at the tip of the sliding pin. Insert molding mold with different parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59054001A JPS60198076A (en) | 1984-03-21 | 1984-03-21 | Insert injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59054001A JPS60198076A (en) | 1984-03-21 | 1984-03-21 | Insert injection mold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60198076A JPS60198076A (en) | 1985-10-07 |
| JPH0517673B2 true JPH0517673B2 (en) | 1993-03-09 |
Family
ID=12958358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59054001A Granted JPS60198076A (en) | 1984-03-21 | 1984-03-21 | Insert injection mold |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60198076A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020068345A (en) * | 2018-10-26 | 2020-04-30 | 株式会社山口製作所 | Bobbin for solenoid and solenoid |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0763990B2 (en) * | 1987-12-28 | 1995-07-12 | アルプス電気株式会社 | Injection mold |
| JPH01176684A (en) * | 1987-12-30 | 1989-07-13 | Aikoku Densen Kogyosho:Kk | High voltage block for power source and its united formation method |
| JP2616261B2 (en) * | 1991-02-26 | 1997-06-04 | 株式会社村田製作所 | Insert molding terminal and method of molding resin case using this terminal |
| US6213871B1 (en) | 1997-02-19 | 2001-04-10 | Kabushiki Kaisha Bandai | Nurturing simulation apparatus for virtual creatures |
| JP2010161041A (en) * | 2009-01-09 | 2010-07-22 | Ngk Spark Plug Co Ltd | Manufacturing method of terminal fitting integrated resin connector |
| JP2013171753A (en) * | 2012-02-22 | 2013-09-02 | Auto Network Gijutsu Kenkyusho:Kk | Electric wire with terminal, and method of manufacturing the same |
-
1984
- 1984-03-21 JP JP59054001A patent/JPS60198076A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020068345A (en) * | 2018-10-26 | 2020-04-30 | 株式会社山口製作所 | Bobbin for solenoid and solenoid |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60198076A (en) | 1985-10-07 |
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