JPH0792522B2 - Manufacturing method of compound lens - Google Patents
Manufacturing method of compound lensInfo
- Publication number
- JPH0792522B2 JPH0792522B2 JP63076280A JP7628088A JPH0792522B2 JP H0792522 B2 JPH0792522 B2 JP H0792522B2 JP 63076280 A JP63076280 A JP 63076280A JP 7628088 A JP7628088 A JP 7628088A JP H0792522 B2 JPH0792522 B2 JP H0792522B2
- Authority
- JP
- Japan
- Prior art keywords
- lens
- color tone
- lenses
- lens frame
- molded
- 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
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
- B29C45/16—Making multilayered or multicoloured 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
- B29L2011/00—Optical elements, e.g. lenses, prisms
- B29L2011/0016—Lenses
-
- 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
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Injection Moulding Of 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、互いに異なる３種類の色調を備えた３枚のレ
ンズを並べて、その周囲の少なくとも３方をレンズ枠で
囲んだ構造の組合せレンズに関するものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to a combined lens having a structure in which three lenses having three different color tones are lined up and at least three sides thereof are surrounded by a lens frame. It is about.
この種のレンズは、例えば自動車用のコンビネーション
ランプなどに用いられている。This type of lens is used, for example, in a combination lamp for automobiles.
このような場合、例えば方向指示ランプ用と、制動信号
ランプ用と、ナンバープレート照明用と、というよう
に、３種類の色調（例えば黄，赤，白）のレンズが一列
に並べて設けられる。In such a case, lenses of three types of color tones (for example, yellow, red, and white) are provided in a line, for example, for a direction indicator lamp, for a braking signal lamp, and for a license plate illumination.
第５図はこの種の組合せレンズの一例を示し、１は黄色
レンズＹ、２は赤色レンズＲ、３は白色（無色）レンズ
Ｗである。４はレンズ枠である。FIG. 5 shows an example of this type of combined lens, where 1 is a yellow lens Y, 2 is a red lens R, and 3 is a white (colorless) lens W. Reference numeral 4 is a lens frame.
従来、このようなレンズを製造するには、黄色透明のプ
ラスチック材料で黄色レンズY1を射出成形し、上記操作
と別途に赤色透明のプラスチック材料で赤色レンズR2を
射出成形し、更に別途に無色透明のプラスチック材料で
白色レンズW3を射出成形し、このように別個に成形した
３枚のレンズをレンズ枠４に嵌め込み、又はレンズ枠４
で３枚のレンズを囲むようにレンズ枠４をプラスチック
材料で射出成形していた。Conventionally, in order to manufacture such a lens, a yellow lens Y1 is injection-molded with a yellow transparent plastic material, a red lens R2 is injection-molded with a red transparent plastic material separately from the above operation, and further a colorless transparent The white lens W3 is injection-molded from the plastic material described above, and the three lenses thus separately molded are fitted into the lens frame 4 or the lens frame 4
The lens frame 4 was injection molded with a plastic material so as to surround the three lenses.
上述の構成方法においては、少なくとも３個の成形用型
を必要とし、かつ、少なくとも３回の射出成形操作を必
要とする。The method of construction described above requires at least three molding dies and at least three injection molding operations.
このため型作成費用が高価であり、その上、射出成形工
程が煩雑で多大の時間と労力とを要した。Therefore, the cost for producing the mold is high, and in addition, the injection molding process is complicated and requires a lot of time and labor.
本発明は上述の事情に鑑みて為されたもので、３種類の
色調（例えば色調Y,色調R,色調Ｗ）の３枚のレンズを枠
に嵌めこんだ形の組合せレンズであって、レンズとレン
ズ枠とが別体であるような外観を呈し、かつ、２組の型
を用いた２回の射出操作で構成し得る方法を提供しよう
とするものである。The present invention has been made in view of the above circumstances, and is a combination lens in which three lenses having three types of color tones (for example, color tone Y, color tone R, and color tone W) are fitted in a frame. It is an object of the present invention to provide a method in which the outer appearance of the lens frame and the lens frame are separate bodies and which can be configured by two injection operations using two sets of molds.
上記の目的を達成するために創作した本発明に係る方法
は、 （イ） ３枚並べられた３種類の色調の３枚のレンズの
内、両端に配列される２枚のレンズの射出成形用の型を
１体に構成し、 （ロ） 上記２枚のレンズに対応する２個の空洞部を溶
融プラスチック流路で結び、 （ハ） 上記の型内に両端の２個のレンズそれぞれの色
調例えば色調Y,Wに相当する２種類の溶融プラスチック
材によって、該両端の２枚のレンズを１回の操作で射出
成形する。The method according to the present invention created to achieve the above object is (a) for injection molding of two lenses arranged at both ends among three lenses of three kinds of color tones arranged side by side. (B) The two cavities corresponding to the above two lenses are connected by a molten plastic flow path, and (c) the color tone of each of the two lenses at both ends in the above mold. For example, two types of molten plastic materials corresponding to color tones Y and W are used to injection-mold two lenses at both ends in a single operation.
これにより、前記（ロ）項の溶融プラスチックレンズ連
結部材が得られる。As a result, the fused plastic lens connecting member according to the item (b) is obtained.
（ニ） 完成品に対応する空洞を有する射出成形型を構
成すると共に、その中に前記（ハ）項で成形した２レン
ズ連結部材を収納し、中央のレンズの色調に相当する
（例えば色調Ｒ）の溶融プラスチック材により、中央の
レンズ及び周囲少なくとも３方のレンズ枠を、２回目の
操作で射出成形する。(D) An injection molding die having a cavity corresponding to the finished product is constructed, and the two-lens connecting member molded in the above item (c) is housed therein to correspond to the color tone of the central lens (for example, color tone R In the second operation, the center lens and the lens frames on at least three sides are injection-molded with the molten plastic material of 1).
（ホ） レンズ（３種類の色調のレンズそれぞれ）と、
レンズ枠との間の境界に沿って段差を設けると共に、レ
ンズ枠の外側面に塗装を施す。(E) Lenses (each with 3 different color tones),
A step is provided along the boundary with the lens frame, and the outer surface of the lens frame is painted.
上述の手段によれば、射出成形用の型は２組（即ち、両
端のレンズと連結杆状部材との型１組、及び、中央のレ
ンズとレンズ枠との型１組）にて足り、かつ、射出成形
操作も２回で足りる。而して、段差と塗装との効果によ
り、レンズとレンズ枠とが別体に構成されているような
外観を呈する。According to the above-mentioned means, two sets of molds for injection molding (that is, one set of the lenses at both ends and the connecting rod-like member, and one set of the center lens and the lens frame) are sufficient. Moreover, the injection molding operation only needs to be performed twice. Thus, due to the effect of the step and the coating, the appearance that the lens and the lens frame are separately configured is exhibited.
第１図及び第２図は本発明に係る組合せレンズ製造方法
の１実施例における工程説明図である。1 and 2 are process explanatory diagrams in one embodiment of the method for manufacturing a combined lens according to the present invention.
第１図（Ａ）は、１回目の射出成形操作で構成すべき２
レンズ連結部材の輪郭を示す。従って、この第１図
（Ａ）は１回目の射出成形用の型に設けられる空洞部の
形状を表わしている。FIG. 1 (A) shows that the first injection molding operation should be performed.
The outline of a lens connection member is shown. Therefore, this FIG. 1 (A) shows the shape of the cavity provided in the mold for the first injection molding.
１′は黄色レンズＹに相当する空洞部分、３′は無色レ
ンズ３に相当する空洞部分、５′,6′は連結杆状部分に
相当する溶融プラスチック流路である。Reference numeral 1'denotes a hollow portion corresponding to the yellow lens Y, 3'denotes a hollow portion corresponding to the colorless lens 3, and 5'and 6'represents a molten plastic flow path corresponding to a connecting rod portion.
上記の空洞部１′には黄色透明の溶融プラスチック材
を、同じく空洞部３′には無色透明の溶融プラスチック
材を、それぞれ注入して射出成形を行う。Injection molding is carried out by injecting a yellow transparent molten plastic material into the cavity 1'and a colorless transparent molten plastic material into the cavity 3 '.
第１図（Ｂ）は１回目の射出成形で構成される２レンズ
連結部材を示し、読図の便宜上、黄色部分には右下り形
のハツチング を付し、無色部分には右上り形のハッチング を付してある。FIG. 1 (B) shows a two-lens connecting member formed by the first injection molding. For the sake of convenience of reading, the yellow part is hatched in a right-down direction. With a hatching in the upper right corner on the colorless part Is attached.
連結杆状部分5,6は、それぞれ中央部付近で双方の色調
の溶融プラスチック材が混合、固化して不明瞭な境界
（色調の境界の意である、形状については境界を生じな
い）を形成している。In the connecting rod-shaped parts 5 and 6, molten plastic materials of both tones are mixed and solidified in the vicinity of the central part to form an unclear boundary (which means the boundary of the tones, no boundary is generated for the shape). is doing.
そのＣ−Ｃ断面を第１図（Ｃ）に、同じくＤ−Ｄ断面を
第１図（Ｄ）に示す。The CC cross section is shown in FIG. 1 (C), and the DD cross section is shown in FIG. 1 (D).
第１図（Ｄ）に現われている3a,3bは、ランプハウジン
グ（図示せず）に取り付ける為の脚部である。この脚部
付近の形状の詳細については、第３図，第４図を用いて
後述する。Reference numerals 3a and 3b appearing in FIG. 1 (D) are legs for attaching to a lamp housing (not shown). The details of the shape near the leg will be described later with reference to FIGS. 3 and 4.
第５図に示した組合せレンズ完成品の輪郭と同形の凹部
を有する２回目の射出成形用の型（図示せず）を構成
し、この型の中に第１図（Ｂ）に示した２レンズ連結部
材を収納し、残余空間の中に赤色透明の溶融プラスチッ
クを射出成形する。この工程における状態を第２図に示
す。A mold (not shown) for the second injection molding having a concave portion having the same shape as the contour of the combined lens finished product shown in FIG. 5 was constructed, and the mold shown in FIG. The lens connecting member is housed and red transparent molten plastic is injection-molded in the remaining space. The state in this step is shown in FIG.
第２図に示した図面参照番号１（黄色レンズ）、３（無
色レンズ）、5,6（連結杆状部）は、それぞれ第１図
（Ｂ）に示した２レンズ連結部材の構成部分である。The drawing reference numbers 1 (yellow lens), 3 (colorless lens), and 5 and 6 (connecting rod-shaped portions) shown in FIG. 2 are constituent parts of the two-lens connecting member shown in FIG. 1 (B). is there.
本第２図において、破線で描いた部分は赤色溶融プラス
チックで成形された部分であり、この赤色溶融プラスチ
ックが固化して赤色レンズ２と、レンズ枠４とを形成す
る。連結杆状部5,6は、レンズ枠４に融着され、レンズ
脚としての機能と補強部材としての機能とを果たす。In FIG. 2, the part drawn with a broken line is a part molded with red molten plastic, and this red molten plastic is solidified to form the red lens 2 and the lens frame 4. The connecting rod-shaped portions 5 and 6 are fused to the lens frame 4 and serve as a lens leg and a reinforcing member.
第２図のIII−III断面を第３図（Ａ）に示し、同じくIV
−IV断面を第４図に示す。The III-III cross section of FIG. 2 is shown in FIG.
The IV cross section is shown in FIG.
第３図（Ａ）のB1部拡大詳細を第３図（Ｂ）に示す。本
図に示したＦ部はレンズ枠部分、Ｌはレンズ部分であ
る。レンズ枠部分Ｆとレンズ部分Ｌとの間に段差Ｈを設
ける。FIG. 3 (B) shows an enlarged detail of the B 1 portion of FIG. 3 (A). The F portion shown in the figure is a lens frame portion, and L is a lens portion. A step H is provided between the lens frame portion F and the lens portion L.
本例においては、段差部に沿って溝3bを設けてある。In this example, the groove 3b is provided along the step.
第３図（Ｃ）に示す如く、レンズ枠部分の外側面に不透
明な塗料によって塗装７を施す。As shown in FIG. 3C, the outer surface of the lens frame portion is coated with an opaque paint 7.
第３図（Ａ）に示したB2部は、上述のB1部（第３図
（Ｂ））と対称形で同様の構成である。The B 2 section shown in FIG. 3 (A) is symmetrical with the above-mentioned B 1 section (FIG. 3 (B)) and has the same structure.
第４図（Ａ）に示したB3部の拡大詳細を第４図（Ｂ）に
示す。７′は塗装、2bは溝である。FIG. 4 (B) shows an enlarged detail of the B 3 section shown in FIG. 4 (A). 7'is painting, and 2b is a groove.
第４図（Ａ）に示したB4部は、上述のB3部と対称形で同
様の構成である。The B 4 section shown in FIG. 4 (A) is symmetrical with the above-mentioned B 3 section and has the same structure.
〔発明の効果〕 以上詳述したように、本発明の方法によれば、レンズ枠
で囲まれた３色形の組合せレンズを、２組の型を用い、
２回の操作で射出成形することが出来、型代の節減、及
び射出形成コストの低減に貢献するところ多大である。
その上、レンズ枠とレンズとが別体に構成されているよ
うな外観を呈するので商品価値が高い。[Effects of the Invention] As described in detail above, according to the method of the present invention, a combination lens of three colors surrounded by a lens frame is used with two sets of molds.
Injection molding can be performed in two operations, which greatly contributes to saving of mold cost and injection molding cost.
In addition, the lens frame and the lens have an external appearance such that they are separately configured, so that the commercial value is high.
第１図及び第２図は本発明に係る組合せレンズ製造方法
の１実施例における工程説明図である。 第３図（Ａ）は第２図のIII−III断面図、第３図
（Ｂ），第３図（Ｃ）はその部分断面図である。第４図
（Ａ）は同じくIV−IV断面図であり、第４図（Ｂ）はそ
の部分拡大図である。 第５図は３色形の組合せレンズの１例を示す正面図であ
る。 １……黄色レンズＹ、２……赤色レンズＲ、３……無色
レンズＷ、3a,3b……レンズ脚部、４……レンズ枠、5,
5′,6,6′……連結杆状部、7,7′……塗装、Ｈ……段
差。1 and 2 are process explanatory diagrams in one embodiment of the method for manufacturing a combined lens according to the present invention. FIG. 3A is a sectional view taken along the line III-III in FIG. 2, and FIGS. 3B and 3C are partial sectional views thereof. Similarly, FIG. 4 (A) is a sectional view taken along line IV-IV, and FIG. 4 (B) is a partially enlarged view thereof. FIG. 5 is a front view showing an example of a trichromatic combination lens. 1 ... Yellow lens Y, 2 ... Red lens R, 3 ... Colorless lens W, 3a, 3b ... Lens legs, 4 ... Lens frame, 5,
5 ', 6,6' ... Connecting rod-shaped part, 7,7 '... painting, H ... step.
Claims (1)
Yとし、 （ｂ） 色調Ｒのレンズの両側に、色調Ｗのレンズと色
調Ｙのレンズとを配列すると共に、 （ｃ） 上記の如く列設した３種類の色調のレンズの周
囲の少なくとも３方にレンズ枠を設けた組合せレンズの
製造方法において、 （ｄ） 色調Ｗのレンズの型と、色調Ｙのレンズの型と
を一体に構成すると共に、上記双方のレンズに対応する
凹部を結ぶ溶融合成樹脂流路を設け、 （ｅ） 色調Ｗのレンズと色調Ｙのレンズとが、上記の
連結流路内で形成された杆状部材で連結された２レンズ
連結部材をプラスチック材によって射出成形し （ｆ） 上記の２レンズ連結部材を前記と別体の型の中
に入れて、色調Ｒのレンズと、レンズ枠とを一体に射出
成形すると共に、前記W,R,Y3種類のレンズのそれぞれと
レンズ枠との境界に沿って段差を設け、 （ｇ） 上記射出成形に際して、成形されるレンズ枠
と、前記杆状の連結部材とを相互に接せしめ、 （ｈ） 前記レンズ枠の外側面に塗装を施したことを特
徴とする、３色の組合せレンズの製造方法。1. (a) Three different color tones W, R,
Y, and (b) a lens of color tone W and a lens of color tone Y are arranged on both sides of the lens of color tone R, and (c) at least three sides around the lenses of three types of color tone arranged in a row as described above. In a method of manufacturing a combined lens in which a lens frame is provided, (d) a lens mold of color tone W and a lens mold of color tone Y are integrally configured, and fusion synthesis is performed to connect concave portions corresponding to both lenses. A resin flow path is provided, and (e) a lens of color tone W and a lens of color tone Y are connected by a rod-shaped member formed in the connection flow channel, and a two-lens connecting member is injection-molded with a plastic material. f) The above-mentioned two-lens connecting member is put in a mold separate from the above, and a lens of color tone R and a lens frame are integrally injection-molded, and at the same time, each of the W, R, and Y types of lenses is Provide a step along the boundary with the lens frame, ) In the above injection molding, the lens frame to be molded and the rod-shaped connecting member are brought into contact with each other, and (h) the outer surface of the lens frame is coated, which is a combination of three colors. Lens manufacturing method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63076280A JPH0792522B2 (en) | 1988-03-31 | 1988-03-31 | Manufacturing method of compound lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63076280A JPH0792522B2 (en) | 1988-03-31 | 1988-03-31 | Manufacturing method of compound lens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01250901A JPH01250901A (en) | 1989-10-05 |
| JPH0792522B2 true JPH0792522B2 (en) | 1995-10-09 |
Family
ID=13600872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63076280A Expired - Fee Related JPH0792522B2 (en) | 1988-03-31 | 1988-03-31 | Manufacturing method of compound lens |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0792522B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4878529B2 (en) * | 2006-09-15 | 2012-02-15 | スタンレー電気株式会社 | Molding apparatus and molding method, and vehicle headlamp |
| JP4949312B2 (en) * | 2008-04-10 | 2012-06-06 | 日本写真印刷株式会社 | Two-color molded product molding method and casing component |
-
1988
- 1988-03-31 JP JP63076280A patent/JPH0792522B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01250901A (en) | 1989-10-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |