JPS581947B2 - Electric razor inner blade manufacturing method - Google Patents
Electric razor inner blade manufacturing methodInfo
- Publication number
- JPS581947B2 JPS581947B2 JP52030897A JP3089777A JPS581947B2 JP S581947 B2 JPS581947 B2 JP S581947B2 JP 52030897 A JP52030897 A JP 52030897A JP 3089777 A JP3089777 A JP 3089777A JP S581947 B2 JPS581947 B2 JP S581947B2
- Authority
- JP
- Japan
- Prior art keywords
- blade
- metal piece
- large number
- parallel
- inner blade
- 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
Landscapes
- Dry Shavers And Clippers (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Description
【発明の詳細な説明】
従来の振動式の電気かみそりの内刃は、板金をプレスで
打抜いて多数の独立した円弧形の刃板を作り、この刃板
の両脚を別個に製作した左右の支持枠に溶接またはネジ
止めして結合していたので、連結時に刃板の外縁即ち刃
先の高さを均一に揃えなければならぬし製造工程が多く
煩雑である欠点があった。[Detailed Description of the Invention] The inner blade of a conventional vibrating electric shaver is made by punching a sheet metal with a press to create a number of independent arc-shaped blade plates, and the legs of this blade plate are made by separately manufacturing left and right blades. Since the blades are connected to the support frame by welding or screwing, the outer edges of the blade plates, that is, the heights of the cutting edges, must be made uniform when connecting, which has the drawback of requiring many and complicated manufacturing processes.
本発明は、電解研削で樋状金属片に平行な多数の溝を穿
設することによって弧状の薄板から成る刃板とこの刃板
を多数平行に連結する支持枠とを同時に形成し、これに
より刃板な多数連結する工程を省略して振動式電気かみ
そりの内刃を製造するようにして従来の欠点を解消した
ものである。The present invention simultaneously forms a blade plate made of an arc-shaped thin plate and a support frame that connects a large number of parallel blade plates by drilling a large number of parallel grooves in a gutter-like metal piece by electrolytic grinding. This method solves the drawbacks of the conventional method by omitting the process of connecting a large number of blade plates and manufacturing the inner blade of a vibrating electric shaver.
以下、本発明を図面に示す実施例にもとづいて説明する
とＡは、予め所定の凸曲面に彎曲成形した鋼のような硬
い材質の樋状金属片で、陽極に接続する。Hereinafter, the present invention will be explained based on the embodiment shown in the drawings. A is a gutter-shaped metal piece made of a hard material such as steel, which is curve-formed into a predetermined convex curve in advance, and is connected to the anode.
１はメタルボンド砥石のような導電性の結合材の表面に
アランダムのような絶縁性の砥粒を固着した薄い円板１
ａを回転軸１ｂに多数平行に連結した電極砥石で、陰極
に接続する。1 is a thin disk 1 in which insulating abrasive grains such as Alundum are fixed to the surface of a conductive bonding material such as a metal bond grinding wheel.
A is connected to the cathode by a large number of electrode grindstones connected in parallel to the rotating shaft 1b.
この電極砥石１を回転させつつ受液槽２内において樋状
金属片八の凸曲面に向け円板１ａを垂直に下降し、砥石
１と金属片Ａの境界に図示しないノズルより硝酸塩のよ
うな電解液を注入して砥石１を金属片Ａに切り込む。While rotating the electrode grindstone 1, the disk 1a is vertically lowered toward the convex curved surface of the trough-like metal piece A in the liquid receiving tank 2, and a nozzle (not shown) is applied to the boundary between the grindstone 1 and the metal piece A to remove a substance such as nitrate. The electrolyte is injected and the grindstone 1 cuts into the metal piece A.
これによって電流は樋状金属片Ａから電解液を介して電
極砥石１へ流れ、金属片Ａの表面が溶出し、砥石１がそ
の金属表面に生成した不動態皮膜を削り取って新鮮な金
属表面を露出させ金属の溶出を促進する。As a result, the current flows from the gutter-shaped metal piece A to the electrode grinding wheel 1 through the electrolyte, the surface of the metal piece A is eluted, and the grinding wheel 1 scrapes off the passive film formed on the metal surface to create a fresh metal surface. Expose and promote metal elution.
このようにして電解研削を行い、樋状金属片Ａに円板１
ａの厚さにほぼ等しい巾の平行な多数の溝３を穿設し、
これによって第２図に示すように、溝３により互いに隔
てられて弧状の薄板から成る刃板４と、この刃板４の両
脚を多数平行に連結する左右の支持枠５とを同一金属片
にて一体的に形成した内刃Ｂを得る。In this way, electrolytic grinding is performed, and the disc 1 is placed on the gutter-shaped metal piece A.
A large number of parallel grooves 3 with a width approximately equal to the thickness of a are bored,
As a result, as shown in FIG. 2, the blade plate 4 made of arc-shaped thin plates separated from each other by the groove 3, and the left and right support frames 5 that connect many legs of the blade plate 4 in parallel are made into the same metal piece. Thus, an integrally formed inner cutter B is obtained.
次に円板１ａより厚く周縁が鋭角な円板６ａを回転軸６
ｂに多数平行に連結した電極砥石６を、第３図に示すよ
うに、裏返しにした内刃Ｂの凹曲面に向け垂直に下降し
て摺接し上述と同様の電解研削を行う。Next, a disk 6a that is thicker than the disk 1a and has an acute edge is attached to the rotating shaft 6.
As shown in FIG. 3, a large number of electrode grindstones 6 connected in parallel with each other are vertically lowered toward the concave curved surface of the inner cutter B and slid into contact therewith, thereby performing electrolytic grinding in the same manner as described above.
これにより溝３を円板６ａの厚さだけ拡張し、刃板４の
刃先４ａを鋭角に形成する。As a result, the groove 3 is expanded by the thickness of the disk 6a, and the cutting edge 4a of the blade plate 4 is formed at an acute angle.
このように刃先４ａを鋭角にすると外刃７の内面に摺接
して左右に往復動するとき、外刃７の孔７ａの口縁と刃
先４ａとでよくひげを切る。When the cutting edge 4a is made at an acute angle in this manner, when it slides into contact with the inner surface of the outer cutter 7 and reciprocates from side to side, the edge of the hole 7a of the outer cutter 7 and the cutting edge 4a can cut hair well.
これを要するに本発明は予め外刃内周面に合せて形成し
た樋状金属片Ａに多数の平行な溝を穿設することによっ
て刃板４とこれを多数平行に連結する支持枠５とを同時
に一体的に形成するので、刃板と支持枠の連結工程が不
要となりコスト安になるばかりでなく連結時における刃
板の高さの不ぞろいが全く生ぜず内刃の刃先が外刃内周
面に均一に摺接しひげの切れ味が良いという効果を生ず
る。In short, the present invention provides a plurality of blade plates 4 and a support frame 5 connecting the blade plates 4 in parallel by drilling a large number of parallel grooves in a gutter-like metal piece A previously formed to match the inner circumferential surface of the outer blade. Since they are formed integrally at the same time, the process of connecting the blade plate and the support frame is not required, which not only reduces costs, but also eliminates any unevenness in the height of the blade plates when they are connected, so that the cutting edge of the inner cutter is aligned with the inner peripheral surface of the outer blade. This results in a uniform sliding contact with the hair, resulting in good hair cutting.
しかも本発明では電解研削により溝を穿設するのでパリ
を生ぜず加工能率及び精度がよいという効果を生ずる。Moreover, in the present invention, since the grooves are formed by electrolytic grinding, there is no occurrence of burrs, resulting in good processing efficiency and accuracy.
第１乃至第３図は本発明の製造工程図で、第１及び第２
図のイはその全体図、口は要部の縦断面図、ハは要部の
横断面図であり、第３図のイはその全体図、口は要部の
縦断而図である。
第４図は本発明による製品の使用状態を示す断面図であ
る。
Ａは樋状金属片、Ｂは内刃、１は電極砥石、３は溝、４
は刃板、５は支持枠。1 to 3 are manufacturing process diagrams of the present invention, and the first and second
In the figure, A is the overall view, the opening is a vertical sectional view of the main part, and C is the cross-sectional view of the main part. FIG. 4 is a sectional view showing the state of use of the product according to the present invention. A is a gutter-shaped metal piece, B is an inner blade, 1 is an electrode grindstone, 3 is a groove, 4
is the blade plate, and 5 is the support frame.
Claims (1)
接続した電極砥石を回転させつつ電解液を介し切り込み
電解研削を行い該樋状金属片に多数の溝を平行に穿設し
、もって弧状の薄板から成る刃板とこの刃板を多数平行
に連結する支持枠とを同一金属片にて一体的に形成する
ことを特徴とする電気かみそりの内刃製造法。1. Electrolytic grinding is performed perpendicular to the curved surface of the trough-shaped metal piece connected to the anode while rotating the electrode grindstone connected to the cathode through the electrolytic solution, and a large number of grooves are bored in parallel in the trough-shaped metal piece, A method for manufacturing an inner blade for an electric shaver, characterized in that a blade plate made of an arc-shaped thin plate and a support frame connecting a large number of the blade plates in parallel are integrally formed from the same metal piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP52030897A JPS581947B2 (en) | 1977-03-19 | 1977-03-19 | Electric razor inner blade manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP52030897A JPS581947B2 (en) | 1977-03-19 | 1977-03-19 | Electric razor inner blade manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS53116961A JPS53116961A (en) | 1978-10-12 |
| JPS581947B2 true JPS581947B2 (en) | 1983-01-13 |
Family
ID=12316514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP52030897A Expired JPS581947B2 (en) | 1977-03-19 | 1977-03-19 | Electric razor inner blade manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS581947B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS577787U (en) * | 1980-06-12 | 1982-01-14 | ||
| JP4864686B2 (en) * | 2006-12-25 | 2012-02-01 | 本田技研工業株式会社 | Motor control device |
| EP3632633A1 (en) * | 2018-10-02 | 2020-04-08 | Koninklijke Philips N.V. | Cutting assembly and trimmer comprising the same |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5078464A (en) * | 1973-11-08 | 1975-06-26 |
-
1977
- 1977-03-19 JP JP52030897A patent/JPS581947B2/en not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5078464A (en) * | 1973-11-08 | 1975-06-26 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS53116961A (en) | 1978-10-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB1467557A (en) | Dry-shaving apparatus | |
| US3064349A (en) | Shaving head for dry shavers having a coated cutting edge surface | |
| CN103753608A (en) | Shaver, shaver foil and manufacturing process of shaver foil | |
| JPS581947B2 (en) | Electric razor inner blade manufacturing method | |
| GB1458135A (en) | Cylindrical tool- | |
| CN212653524U (en) | Novel chinese-medicinal material bighead atractylodes rhizome processing section is supplementary device | |
| JPH0679801B2 (en) | Rotating saw blade | |
| GB1383714A (en) | Method and apparatus for cutting resilient porous material | |
| GB1381880A (en) | Method of electroytic machining of turbine wheels | |
| JPH10290891A (en) | Safety razor | |
| JPH0129586B2 (en) | ||
| JPS5932555Y2 (en) | Bonito shaving machine | |
| GB1015584A (en) | Cutting blades for stone sawing machines | |
| JPS6031655Y2 (en) | rotary electric razor | |
| JPH04344836A (en) | Grinding plate and its manufacture | |
| JPH01216776A (en) | Multiblade cutter and manufacture thereof | |
| JPS5617190A (en) | Seam welding machine | |
| JPS61170485A (en) | Electric razor | |
| JP3115382B2 (en) | Honeycomb core stepping method | |
| JPS6145444B2 (en) | ||
| JP2821875B2 (en) | Repair method of spot welding rod | |
| JPH04371374A (en) | Cutter for chip dresser and this manufacture | |
| US3445617A (en) | Electro-erosive method and apparatus for making a die member complemental to a die member of the rule type | |
| JPS5852400Y2 (en) | impeller | |
| JPH02165589A (en) | Manufacture of metal foil heater |