JPH0457174B2 - - Google Patents
Info
- Publication number
- JPH0457174B2 JPH0457174B2 JP19107985A JP19107985A JPH0457174B2 JP H0457174 B2 JPH0457174 B2 JP H0457174B2 JP 19107985 A JP19107985 A JP 19107985A JP 19107985 A JP19107985 A JP 19107985A JP H0457174 B2 JPH0457174 B2 JP H0457174B2
- Authority
- JP
- Japan
- Prior art keywords
- mold
- molds
- press
- bolsters
- fixing plate
- 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
Links
- 239000002184 metal Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 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
- B29C45/2602—Mould construction elements
- B29C45/2606—Guiding or centering means
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明はトランスフアモールドプレスに関する
ものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a transfer mold press.
従来、この種のトランスフアモールドプレス
（以下、プレスという）は第２図に示すように、
基台１３に植設した平行な垂直ポスト１４ａ，１
４ｂの上端間に固定ボルスター９を横架して固定
するとともに、該垂直ポスト１４ａ，１４ｂに可
動ボルスター６を昇降可能に支持してあり、固定
ボルスター９と可動ボルスター６とには上下各金
型８，７がそれぞれ取付ボルト５でねじ止めし、
型締めシリンダー１２とトランスフアシリンダー
１３′とで両ボルスター６，９を接近させて上金
型８のガイドポスト１０を下金型７のガイドブツ
シユ１１に嵌入し、上下両金型８，７の型締めを
行つていた。
Conventionally, this type of transfer mold press (hereinafter referred to as press) has been used as shown in Figure 2.
Parallel vertical posts 14a, 1 planted on the base 13
A fixed bolster 9 is horizontally suspended and fixed between the upper ends of 4b, and a movable bolster 6 is supported on the vertical posts 14a and 14b so as to be able to rise and fall. 8 and 7 are respectively screwed with mounting bolts 5,
The mold clamping cylinder 12 and the transfer cylinder 13' bring the bolsters 6 and 9 close together, and the guide post 10 of the upper mold 8 is fitted into the guide bush 11 of the lower mold 7, and the molds of both the upper and lower molds 8 and 7 are closed. I was finishing up.
ところで、上下金型８，７はそれぞれ固定プレ
ート２ａ，２ｂが設けてあり、この固定プレート
２ａ，２ｂをボルスター６，９にそれぞれ取付ボ
ルト５で緊締して固定される。
Incidentally, the upper and lower molds 8 and 7 are provided with fixing plates 2a and 2b, respectively, and are fixed to the bolsters 6 and 9 by tightening them with mounting bolts 5, respectively.
しかしながら、従来の金型固定方法では上金型
と下金型の合せ精度保持に設置されているガイド
ポスト１０の強さよりもプレスの金型締付け力の
方がはるかに大きく、プレスの動作精度の影響を
大きく受けてしまい、上金型と下金型との型締め
を行う際に、水平方向にずれが発生し金型精度を
いくら向上させても目標とする寸法精度のモール
ド製品が得られないという欠点があつた。 However, in the conventional mold fixing method, the mold clamping force of the press is much greater than the strength of the guide post 10 installed to maintain the alignment accuracy of the upper and lower molds, and the operating accuracy of the press is affected. As a result, when the upper and lower molds are clamped together, horizontal misalignment occurs, and no matter how much you improve the mold accuracy, you will not be able to obtain a molded product with the desired dimensional accuracy. The drawback was that there was no.
本発明は前記問題点を解消するもので、目標と
する寸法精度でのモールド製品を得るトランスフ
アモールドプレスを提供するものである。 The present invention solves the above problems and provides a transfer mold press that can produce molded products with targeted dimensional accuracy.
本発明は上下両金型をボルスターにそれぞれ取
付ボルトでねじ止めし、両ボルスターを相互に接
近させて一方の金型のガイドポストを他方の金型
のガイドブツシユに嵌入し、上下両金型の型締め
を行うトランスフアモールドプレスにおいて、少
なくとも一方の金型を微小範囲で横方向に変位可
能としたことを特徴とするトランスフアモールド
プレスである。
In the present invention, both the upper and lower molds are screwed to the bolsters with respective mounting bolts, the two bolsters are brought close to each other, the guide post of one mold is fitted into the guide bush of the other mold, and the molds of both the upper and lower molds are This transfer mold press performs tightening, and is characterized in that at least one of the molds can be laterally displaced within a minute range.
以下、本発明の一実施例を図により説明する。 Hereinafter, one embodiment of the present invention will be described with reference to the drawings.
第一図において、本実施例は下金型固定プレー
ト２ｂを微少範囲で横方向に変位可能としたもの
ですなわち、固定金具１により下金型固定プレー
ト２ｂを高さ方向に微少な隙間をあけて横、すな
わち水平方向に微少範囲で変位可能としたもので
ある。 In FIG. 1, the present embodiment allows the lower mold fixing plate 2b to be laterally displaced within a small range, that is, the lower mold fixing plate 2b is moved with a small gap in the height direction by the fixing fitting 1. This allows for horizontal displacement within a very small range.
第１図に示すように固定金具１は段付丸棒であ
り、中心に取付ボルト５を通す孔１ａが設けら
れ、外周には下金型固定プレート２ｂに直接触れ
ないことを目的とするゴム製Ｏリング３が嵌め込
まれており、段１ｂの高さは下金型固定プレート
２の高さより0.03mm高く加工されている。 As shown in Fig. 1, the fixing fitting 1 is a stepped round bar, with a hole 1a provided in the center for passing the mounting bolt 5, and a rubber ring on the outer periphery to prevent direct contact with the lower mold fixing plate 2b. The height of the step 1b is 0.03 mm higher than the height of the lower mold fixing plate 2.
下金型固定プレート２ｂにはゴム製Ｏリング３
よりも外径で1.0mm大きい孔２b′があいている。 A rubber O-ring 3 is attached to the lower mold fixing plate 2b.
There is a hole 2b' which is 1.0 mm larger in outer diameter than the hole 2b'.
この固定金具１を下金型固定プレート２ｂの孔
２b′に挿入し、座金４を通した取付ボルト５にて
プレスの可動ボルスター６にねじ止め固定する。
なお、この固定金具は同時に８個使用される。 This fixing metal fitting 1 is inserted into the hole 2b' of the lower mold fixing plate 2b, and is screwed and fixed to the movable bolster 6 of the press using the mounting bolt 5 passed through the washer 4.
Note that eight of these fixing metal fittings are used at the same time.
これにより下金型７は上下方向に問題とならな
い寸法の隙間を保ちながら水平方向に0.5mm動く
ことができる。 This allows the lower mold 7 to move horizontally by 0.5 mm while maintaining an insignificant gap in the vertical direction.
以上説明したように本発明は金型精度のみでモ
ールド製品が製造されることにより、モールド製
品における上下のずれによる不良をなくし、目標
とする寸法精度のモールド製品を得ることができ
る効果を有するものである。
As explained above, the present invention has the effect of eliminating defects caused by vertical misalignment in molded products by manufacturing molded products using only mold precision, and making it possible to obtain molded products with targeted dimensional accuracy. It is.
第１図は本発明の固定金具により固定された下
金型固定プレートの縦断面図、第２図は従来の固
定ボルトのみによる金型の固定状態をプレス構造
と共に示す断面図である。
１……固定金具、２ａ，２ｂ……下金型固定プ
レート、３……ゴム製Ｏリング、４……座金、５
……取付ボルト、６……可動ボルスター、７……
下金型、８……上金型、９……固定ボルスター、
１０……ガイドポスト、１１……ガイドブツシ
ユ、１２……型締めシリンダー、１３……トラン
スフアシリンダー。
FIG. 1 is a longitudinal cross-sectional view of a lower mold fixing plate fixed by the fixing fitting of the present invention, and FIG. 2 is a cross-sectional view showing a state in which the mold is fixed using only conventional fixing bolts together with the press structure. 1...Fixing metal fittings, 2a, 2b...Lower mold fixing plate, 3...Rubber O-ring, 4...Washer, 5
...Mounting bolt, 6...Movable bolster, 7...
Lower mold, 8... Upper mold, 9... Fixed bolster,
10...Guide post, 11...Guide bush, 12...Mold clamping cylinder, 13...Transfer cylinder.
Claims (1)
トでねじ止めし、両ボルスターを相互に接近させ
て一方の金型のガイドポストを他方の金型のガイ
ドブツシユに嵌入し、上下両金型の型締めを行う
トランスフアモールドプレスにおいて、少なくと
も一方の金型を微小範囲で横方向に変位可能とし
たことを特徴とするトランスフアモールドプレ
ス。1 Screw both the upper and lower molds to the bolsters with their respective mounting bolts, move both bolsters close to each other, fit the guide post of one mold into the guide bush of the other mold, and clamp both the upper and lower molds. A transfer mold press characterized in that at least one of the molds can be laterally displaced within a minute range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19107985A JPS6251413A (en) | 1985-08-30 | 1985-08-30 | Transfer molding press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19107985A JPS6251413A (en) | 1985-08-30 | 1985-08-30 | Transfer molding press |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6251413A JPS6251413A (en) | 1987-03-06 |
| JPH0457174B2 true JPH0457174B2 (en) | 1992-09-10 |
Family
ID=16268512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19107985A Granted JPS6251413A (en) | 1985-08-30 | 1985-08-30 | Transfer molding press |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6251413A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2640238B2 (en) * | 1988-02-04 | 1997-08-13 | トーワ株式会社 | Mold device for resin sealing molding of semiconductor elements |
| JPH0694135B2 (en) * | 1989-02-03 | 1994-11-24 | 三菱電機株式会社 | Resin sealing device |
| JP3152601B2 (en) * | 1995-11-17 | 2001-04-03 | 株式会社精工技研 | Alignment guide device for disk cavity plate on fixed side and movable side of disk injection mold |
-
1985
- 1985-08-30 JP JP19107985A patent/JPS6251413A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6251413A (en) | 1987-03-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |