JPH0747290B2 - Mold equipment - Google Patents
Mold equipmentInfo
- Publication number
- JPH0747290B2 JPH0747290B2 JP15247986A JP15247986A JPH0747290B2 JP H0747290 B2 JPH0747290 B2 JP H0747290B2 JP 15247986 A JP15247986 A JP 15247986A JP 15247986 A JP15247986 A JP 15247986A JP H0747290 B2 JPH0747290 B2 JP H0747290B2
- Authority
- JP
- Japan
- Prior art keywords
- fixed
- mold
- shape portion
- nest
- movable
- 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
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
- B29C45/40—Removing or ejecting moulded articles
- B29C45/44—Removing or ejecting moulded articles for undercut articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/08—Blades for rotors, stators, fans, turbines or the like, e.g. screw propellers
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Description
【発明の詳細な説明】 産業上の利用分野 本発明は回転運動により風圧（静圧）を発生する樹脂成
形プロペラファンを生産する金型装置に関する。Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mold device for producing a resin-molded propeller fan that generates wind pressure (static pressure) by rotary motion.
従来の技術 従来のこの種金型装置は第４図〜第６図のような構造に
なっていた。2. Description of the Related Art Conventional seed mold apparatuses have a structure as shown in FIGS.
すなわち第４図において、成形機ノズル５より射出され
た溶融状態の樹脂は、スプルー４を通り、固定側型板１
と可動側型板２の間に製品形状に形成された空間３に充
填される。なお、固定側型板１は成形機固定側定盤６に
また、可動側型板２は成形機可動側定盤７にそれぞれ固
定され、成形機可動側定盤７は矢印の方向に往復可動し
型閉め、型開き、製品取り出しを行なう。That is, in FIG. 4, the molten resin injected from the molding machine nozzle 5 passes through the sprue 4 and passes through the fixed-side template 1
A space 3 formed in a product shape between the movable mold plate 2 and the movable mold plate 2 is filled. The fixed-side mold plate 1 is fixed to the molding-machine fixed-side platen 6, and the movable-side mold plate 2 is fixed to the molding-machine movable-side platen 7. The molding-machine movable-side platen 7 is reciprocally movable in the direction of the arrow. Close the mold, open the mold, and take out the product.
第５図は金型装置を成形機ノズル５側から見た図で、第
６図は第５図におけるロ−ロ断面図である。第６図にお
いて、従来のこの種金型装置は、羽根と羽根との間にお
いて、型の開閉動作に対して障害のない角度αで固定側
型板１と可動側型板２が嵌合するようになっていた。FIG. 5 is a view of the mold apparatus as seen from the molding machine nozzle 5 side, and FIG. 6 is a sectional view taken along the line in FIG. Referring to FIG. 6, in this conventional mold apparatus, the fixed side mold plate 1 and the movable side mold plate 2 are fitted between the blades at an angle α that does not hinder the opening / closing operation of the mold. It was like this.
発明が解決しようとする問題点 しかし、このような構造のものでは、第６図に示す様に
羽根と羽根との間に必ずすき間Ｈが必要とされる。この
ためプロペラファンの性能上および意匠上の目的で羽根
と羽根とのすき間を従来以上に小さくしたり、さらに各
々の羽根が互いに一部分重なり合う必要がある場合、従
来の構造では不可能である。Problems to be Solved by the Invention However, in such a structure, a gap H is always required between the blades as shown in FIG. Therefore, in the case where it is necessary to make the gap between the blades smaller than before or to partially overlap each other for the purpose of performance and design of the propeller fan, it is impossible with the conventional structure.
そこで、本発明はプロペラファンを回転軸延長方向から
見て各々の羽根が互いに一部分重なり合う、もしくわ羽
根と羽根との間隔が従来よりも小さい樹脂成形プロペラ
ファンを生産する金型装置を供給するものである。Therefore, the present invention provides a mold apparatus for producing a resin-molded propeller fan in which the blades of the propeller fan partially overlap each other when viewed from the direction of extension of the rotation axis, and the gap between the blades and the blade is smaller than in the conventional case. Is.
問題点を解決するための手段 そして上記問題点を解決する本発明の技術的な手段は、
プロペラファン回転軸を中心に回転可能な固定側入れ子
と、成形機による金型開閉往復運動を前記固定側入れ子
の回転運動に変換すべく、前記固定側入れ子に設けた傾
斜凸形状部と、前記傾斜凸形状部を案内嵌合すべく可動
側型板に設けた傾斜凹形状部を備えるか、同様の動作を
行なうべく、固定側入れ子に傾斜凹形状部、可動側型板
に傾斜凸形状部を備えるものである。Means for Solving the Problems And technical means of the present invention for solving the above problems,
A fixed-side insert rotatable around a propeller fan rotation axis, an inclined convex portion provided on the fixed-side insert in order to convert a mold opening / closing reciprocating motion by a molding machine into a rotational motion of the fixed-side insert, The movable side template is provided with an inclined concave section for guiding and fitting the inclined convex section, or in order to perform the same operation, the fixed side insert has an inclined concave section, and the movable side template has an inclined convex section. It is equipped with.
作用 この技術的手段による作用は次のようになる。Action The action of this technical means is as follows.
すなわち、固定側入れ子を型閉め型開きの動作を前記の
傾斜凸形状部および傾斜凹形状部のカム動作によって回
転させることにより、羽根と羽根との間において型の開
閉動作に対して障害となる方向の角度で嵌合している固
定側入れ子と可動側型板を無理なく開閉動作が作なえる
ようになるのである。That is, by rotating the fixed-side insert to close the mold and open the mold by the cam operation of the inclined convex portion and the inclined concave portion, it becomes an obstacle to the opening / closing operation of the die between the blades. The fixed side insert and the movable side mold plate, which are fitted at an angle of direction, can be opened and closed without difficulty.
実 施 例 以下、本発明の一実施例を添付図面にもとづいて説明す
る。Example Hereinafter, one example of the present invention will be described with reference to the accompanying drawings.
第１図において、11は固定側回転入れ子で、スプルーを
加工した中心軸14と中心軸14を固定側型板18に固定する
中心軸ネジ19によって、中心軸14を中心に回転可能な状
態で固定側型板18に保持されている。なお、20,21はベ
アリングで、それぞれ固定側型板18と固定側回転入れ子
11および中心軸14と固定回転入れ子11の回転運動を無理
なく行なうために備えている。また、22は傾斜凸形状部
で中心軸14に対して一定角度Ｂで固定側回転入れ子11に
固定されている。同じ角度で傾斜凹形状部23が可動側金
型12にあいており、金型の開閉によって固定側回転入れ
子11を一定量Ｈ回転させるようになっている。なお従来
金型装置と同様に成形機ノズル15より出た溶融樹脂は製
品形状の空間13に充填され、固定側型板18は成形機固定
側定盤16に、可動側型板12は成形機可動側定盤17に固定
され矢印方向に往復運動する。In FIG. 1, reference numeral 11 denotes a fixed side rotating nest, which is rotatable about the central axis 14 by means of a sprue-processed central axis 14 and a central axis screw 19 for fixing the central axis 14 to a stationary side template 18. It is held by the fixed-side template 18. In addition, 20 and 21 are bearings, respectively, the fixed-side mold plate 18 and the fixed-side rotary nest.
It is provided for reasonably performing the rotational movements of the fixed rotary insert 11 and the central shaft 14 and the central shaft 14. Reference numeral 22 denotes an inclined convex portion, which is fixed to the fixed-side rotary nest 11 at a constant angle B with respect to the central axis 14. The inclined concave shape portion 23 is fitted to the movable side mold 12 at the same angle, and the fixed side rotating nest 11 is rotated a fixed amount H by opening and closing the mold. The molten resin discharged from the molding machine nozzle 15 is filled in the product-shaped space 13 as in the conventional mold device, the fixed-side mold plate 18 is on the molding-machine fixed-side surface plate 16, and the movable-side mold plate 12 is on the molding machine. It is fixed to the movable surface plate 17 and reciprocates in the direction of the arrow.
第２図は金型装置を成形機ノズル15側から見た図、第３
図は第２図におけるイ−イ断面図である。第３図におい
て型の開閉動作に対して障害になる角度Ａで固定側回転
入れ子11と可動側型板12が嵌合している。そこで傾斜凸
形状部22と傾斜凹形状部23の摺動嵌合により型開きしな
がら一定量Ｇの回転を固定側回転入れ子11に与える。こ
の時固定側回転入れ子11と可動側型板12の嵌合に障害と
なる量ｈと前記Ｇの関係は Ｆ＞Ｇ また、羽根の固定側回転入れ子面における接線と中心軸
14のなす角度Ｃと前記A,Bの関係は、 Ａ＜Ｂ＜Ｃ と設定しておくと型閉め型開きによって前記の障害とな
る量Ｇが抜けるようになる。FIG. 2 is a view of the mold apparatus as seen from the molding machine nozzle 15 side, and FIG.
The drawing is a cross-sectional view taken along the line EE in FIG. In FIG. 3, the fixed-side rotary insert 11 and the movable-side mold plate 12 are fitted at an angle A that obstructs the opening / closing operation of the mold. Therefore, a fixed amount G of rotation is applied to the stationary side rotating nest 11 while the mold is opened by the sliding fitting of the inclined convex portion 22 and the inclined concave portion 23. At this time, the relationship between G and the amount h that hinders the fitting of the fixed rotary insert 11 and the movable mold plate 12 is F> G.
As for the relationship between the angle C formed by 14 and the above A and B, if A <B <C is set, the above-mentioned obstacle amount G comes out by closing the mold.
なお、本発明の実施例において傾斜凸形状部22は固定側
回転入れ子に、傾斜凹形状部23は可動側型板12に設ける
としたが、反対に傾斜凸形状部を可動側型板、傾斜凹形
状部を固定側回転入れ子に設けてもよい。In the embodiment of the present invention, the inclined convex shape portion 22 is provided on the stationary rotary nest, and the inclined concave shape portion 23 is provided on the movable side template 12. On the contrary, the inclined convex shape portion is provided on the movable side template, the inclined side. The concave portion may be provided on the fixed side rotating nest.
発明の効果 以上のように本発明はプロペラファン回転軸を中心に回
転可能な固定側回転入れ子と、成形機による金型開閉往
復運動を前記固定側回転入れ子の回転運動に変換すべ
く、前記固定側回転入れ子と可動側入れ子に設けた傾斜
凸形状部と傾斜凹形状部を設けることにより、プロペラ
ファンを回転軸延長方向から見て各々の羽根が互いに一
部分重なり合う、もしくは羽根と羽根との間隔が従来よ
りも小さい樹脂成形プロペラファンを量産することがで
きる。As described above, according to the present invention, in order to convert the fixed side rotary nest rotatable around the propeller fan rotation shaft and the mold opening / closing reciprocating motion by the molding machine into the rotary motion of the fixed side rotary nest, By providing the inclined convex shape portion and the inclined concave shape portion provided on the side rotation nest and the movable side nest, the respective blades partially overlap each other when viewed from the rotation axis extension direction of the propeller fan, or the distance between the blades is reduced. It is possible to mass-produce resin-molded propeller fans that are smaller than before.
羽根を一部分重ねたり、羽根の間隔を小さくしたプロペ
ラファンは実験的に1000mmAq以上の静圧を発生する場
合、効率が通常のファンよりも良くなることが実証され
ている。また扇風機等人目につくファンにとっては意匠
的に斬新な形状を提供することになる。It has been experimentally proved that a propeller fan in which the blades are partially overlapped or the interval between the blades is small is more efficient than a normal fan when a static pressure of 1000 mmAq or more is generated. In addition, for a fan that is noticeable such as an electric fan, it will be provided with a novel design.
第１図は本発明の実施例における金型装置の縦断面図、
第２図は同金型装置の成形機ノズル方向から見た図、第
３図は第２図に示したイ−イ断面図、第４図は従来の金
型装置の縦断面図、第５図は同金型装置の成形機ノズル
方向から見た図、第６図は第５図に示したロ−ロ断面図
である。 11……固定側回転入れ子、12……可動側型板、14……中
心軸、15……成形機ノズル、16……成形機固定側定盤、
17……成形機可動側定盤、18……固定側型板、19……中
心軸ネジ、20……傾斜凸形状部、21……傾斜凹形状部。FIG. 1 is a vertical sectional view of a mold device according to an embodiment of the present invention,
FIG. 2 is a view as seen from the direction of the molding machine nozzle of the mold device, FIG. 3 is a sectional view taken along the line EE shown in FIG. 2, and FIG. 4 is a longitudinal sectional view of a conventional mold device. FIG. 6 is a view seen from the direction of the molding machine nozzle of the mold apparatus, and FIG. 11 …… Fixed side rotating nest, 12 …… Movable side template, 14 …… Center axis, 15 …… Molding machine nozzle, 16 …… Molding machine fixed side surface plate,
17: Molding machine movable side surface plate, 18: Fixed side template, 19: Center axis screw, 20: Inclined convex shape part, 21: Inclined concave shape part.
Claims (2)
固定側入れ子と、成形機による金型開閉往復運動を前記
固定側入れ子の回転運動に変換すべく、前記固定側入れ
子に設けた傾斜凸形状部と、前記傾斜凸形状部と摺動す
べく可動側型板に設けた傾斜凹形状部を備えたことを特
徴とする金型装置。1. A fixed-side nest rotatable around a propeller fan rotation shaft, and an inclined projection provided on the fixed-side nest for converting a reciprocating motion of a mold by a molding machine into a rotary motion of the fixed-side nest. A mold apparatus comprising: a shape portion; and an inclined concave shape portion provided on a movable side mold plate so as to slide with the inclined convex shape portion.
固定側入れ子と、成形機による金型開閉往復運動を前記
固定側入れ子の回転運動に変換すべく、前記固定側入れ
子に設けた傾斜凹形状部と、前記傾斜凹形状部と摺動す
べく可動側型板に設けた傾斜凸形状部を備えたことを特
徴とする金型装置。2. A fixed-side nest rotatable around a propeller fan rotation shaft, and an inclined recess provided in the fixed-side nest for converting reciprocating movement of a mold by a molding machine into rotational movement of the fixed-side nest. A mold apparatus comprising: a shape portion; and an inclined convex shape portion provided on a movable side mold plate so as to slide with the inclined concave shape portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15247986A JPH0747290B2 (en) | 1986-06-27 | 1986-06-27 | Mold equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15247986A JPH0747290B2 (en) | 1986-06-27 | 1986-06-27 | Mold equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS635916A JPS635916A (en) | 1988-01-11 |
| JPH0747290B2 true JPH0747290B2 (en) | 1995-05-24 |
Family
ID=15541402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15247986A Expired - Lifetime JPH0747290B2 (en) | 1986-06-27 | 1986-06-27 | Mold equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0747290B2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01285823A (en) * | 1988-05-13 | 1989-11-16 | Tokico Ltd | Manufacture of turbine rotor |
| US5435960A (en) * | 1994-01-14 | 1995-07-25 | Freudenberg-Nok General Partnership | Method of making multi-segment plastic components |
| AU739398B2 (en) * | 1998-12-23 | 2001-10-11 | New Fluid Technology Pty Ltd | A mould for the manufacture of a fan having a hub and a plurality of helical blades extending from the hub |
| EP1177084B1 (en) | 1998-12-23 | 2009-08-26 | Jetfan Technology Limited | Mould and method for the manufacture of a fan having a hub and a plurality of helical blades extending from the hub |
-
1986
- 1986-06-27 JP JP15247986A patent/JPH0747290B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS635916A (en) | 1988-01-11 |
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