JPH0374914U - - Google Patents
Info
- Publication number
- JPH0374914U JPH0374914U JP13633989U JP13633989U JPH0374914U JP H0374914 U JPH0374914 U JP H0374914U JP 13633989 U JP13633989 U JP 13633989U JP 13633989 U JP13633989 U JP 13633989U JP H0374914 U JPH0374914 U JP H0374914U
- Authority
- JP
- Japan
- Prior art keywords
- guide
- core shaft
- threaded part
- male
- female
- 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.)
- Granted
Links
- 238000000465 moulding Methods 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 125000006850 spacer group Chemical group 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Description
第１図〜第５図は、それぞれ本考案の一実施例
の金型の作動を説明する説明断面図である。第６
図および第７図は従来の金型の断面図である。
１……固定型、２……可動型、３……コアシヤ
フト、４……リードネジ部材、５……油圧シリン
ダ装置（切替駆動手段）、６……回転駆動装置、
２１……スペーサ、２２……可動背板（直線駆動
手段）、２３……スプリング、３０……コア部、
３１……シヤフト部、３２……案内雄ネジ部、４
０……案内雌ネジ部、６０……シヤフト回転歯車
、６１……キー、６２……中間歯車。
1 to 5 are explanatory sectional views each illustrating the operation of a mold according to an embodiment of the present invention. 6th
FIG. 7 and FIG. 7 are cross-sectional views of conventional molds. 1... Fixed type, 2... Movable type, 3... Core shaft, 4... Lead screw member, 5... Hydraulic cylinder device (switching drive means), 6... Rotation drive device,
21... Spacer, 22... Movable back plate (linear drive means), 23... Spring, 30... Core portion,
31... Shaft part, 32... Guide male screw part, 4
0...Guide female screw portion, 60...Shaft rotation gear, 61...Key, 62...Intermediate gear.
Claims (1)
ネジ部を成形するコアをもち他端側の外周表面に
案内雄ネジ部をもつコアシヤフトと、 該コアシヤフトを軸を中心に回転させる回転駆
動手段と、 該コアシヤフトと同軸的で円周方向に少なくと
も２つに分割して設けられ内側表面に該案内雄ネ
ジ部と螺合する案内雌ネジ部をもつ複数のリード
ネジ部材と、 それぞれの該リードネジ部材を該コアシヤフト
に近接する方向および遠ざかる方向に径方向に移
動させ該案内雄ネジ部と該案内雌ネジ部の螺合と
螺合解除とを切替える切替駆動手段と、 該案内雄ネジ部と該案内雌ネジ部の螺合解除時
に該コアシヤフトを軸方向へ移動させる直線駆動
手段と、よりなることを特徴とするネジ部をもつ
物品成形用金型。[Scope of Claim for Utility Model Registration] A core shaft which is held in a movable mold so as to be freely movable in the axial direction, has a core formed with a threaded part on one end side, and has a guiding male threaded part on the outer peripheral surface of the other end; a plurality of lead screws, which are coaxial with the core shaft and divided into at least two parts in the circumferential direction, and each have a guide female screw part on an inner surface thereof which is screwed into the guide male thread part; a switching drive means for radially moving each of the lead screw members in a direction toward and away from the core shaft to switch between screwing and unscrewing the male guide threaded portion and the female guide threaded portion; A mold for molding an article having a threaded part, comprising a linear drive means for moving the core shaft in the axial direction when the male guide threaded part and the female guide threaded part are unscrewed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13633989U JPH0532258Y2 (en) | 1989-11-24 | 1989-11-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13633989U JPH0532258Y2 (en) | 1989-11-24 | 1989-11-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0374914U true JPH0374914U (en) | 1991-07-26 |
| JPH0532258Y2 JPH0532258Y2 (en) | 1993-08-18 |
Family
ID=31683551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13633989U Expired - Lifetime JPH0532258Y2 (en) | 1989-11-24 | 1989-11-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0532258Y2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5084016B2 (en) * | 2007-07-05 | 2012-11-28 | 富士フイルム株式会社 | Rotational punching injection mold equipment |
| US11325297B2 (en) * | 2017-07-04 | 2022-05-10 | Nissei Asb Machine Co., Ltd. | Injection molding mold, and injection molding method for hollow article |
-
1989
- 1989-11-24 JP JP13633989U patent/JPH0532258Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0532258Y2 (en) | 1993-08-18 |
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