JPS6152210A - Blade - Google Patents
BladeInfo
- Publication number
- JPS6152210A JPS6152210A JP59174489A JP17448984A JPS6152210A JP S6152210 A JPS6152210 A JP S6152210A JP 59174489 A JP59174489 A JP 59174489A JP 17448984 A JP17448984 A JP 17448984A JP S6152210 A JPS6152210 A JP S6152210A
- Authority
- JP
- Japan
- Prior art keywords
- blade
- sliding surface
- cutting
- ceramic layer
- fixed 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.)
- Pending
Links
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G3/00—Cutting implements specially adapted for horticultural purposes; Delimbing standing trees
- A01G3/04—Apparatus for trimming hedges, e.g. hedge shears
- A01G3/047—Apparatus for trimming hedges, e.g. hedge shears portable
- A01G3/053—Apparatus for trimming hedges, e.g. hedge shears portable motor-driven
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
〔技術分野］
本発明は刈込機、ヘアーカッター、電気かみそりのよう
に相互に摺動しあう固定刃と可動刃とを備えた刃物に関
するものである。DETAILED DESCRIPTION OF THE INVENTION [Technical Field] The present invention relates to a cutter such as a trimmer, a hair cutter, or an electric shaver, which includes a fixed blade and a movable blade that slide against each other.
従来、相互に摺動しあう固定刃と可動刃とを備えた刃物
は、工具鋼やステンレス鋼などの刃物鋼でできてセリ、
刈込機Ｃどあっては木の枝等の被切断物、ヘアーカッタ
ーや電気かみそりにあっては毛髪及びひげ等の被切断物
を数多く切断すると。Traditionally, cutlery equipped with a fixed blade and a movable blade that slide against each other are made of cutter steel such as tool steel or stainless steel.
The trimmer C cuts many objects such as tree branches, and the hair cutter and electric razor cut many objects such as hair and beards.
第１１図に示すように固定刃（イ）及び可動刃（ロ）の
刃先エッヂ（ハ）が摩耗あるいは欠けて切味が悪くなり
切味寿命が短かいという問題点があった。As shown in FIG. 11, there is a problem in that the edges (c) of the fixed blade (a) and the movable blade (b) are worn or chipped, resulting in poor cutting quality and short cutting life.
本発明の目的は上記の問題点に鑑みてなされたものであ
り、刃先エッヂを他方の刃で研磨して切味寿命の長込刃
物を提供することにある。The object of the present invention has been made in view of the above-mentioned problems, and is to provide a cutter with a longer cutting life by polishing the edge of the cutting edge with the other blade.
（２゛・
以下本発明の第１の実施例を刈込機を例にして第１図乃
至第３図を参照して説明する。本体ケース１は合成樹脂
材でで缶でおり、一端にはくシ状で長尺状の固定刃２が
固定されており、他端には取手３が一体的に形成されて
込る。固定刃２には断面略台形状の切刃４が刃溝５を介
して複数個形成されている。固定刃２にはぐし状で長尺
状の可動刃６が摺接されて層る。可動刃６は硬変がＨ７
６５０の刃物鋼からなる非セラミツクス材でできており
、可動刃６には断面略台形状の切刃７が刃溝８を介して
ガ数個形成されてぢり、モータ（図示せず）に可動刃６
が連結されている。可動刃６の切刃７の摺動面９には摺
動負荷を低下させるとともに摺動面９を平担にするため
の凹部ｌＯが形成されている。可動刃６は押え板１１に
設けられた複敬個の押上ばね稔により固定刃２に押圧さ
れている。(2゛・ Hereinafter, the first embodiment of the present invention will be explained using a mowing machine as an example with reference to FIGS. 1 to 3. The main body case 1 is made of synthetic resin and is a can, A comb-shaped and long fixed blade 2 is fixed, and a handle 3 is integrally formed at the other end.The fixed blade 2 has a cutting blade 4 having a substantially trapezoidal cross section in a blade groove 5. A plurality of movable blades 6 are formed through the fixed blade 2. A long movable blade 6 in the shape of a comb is in sliding contact with the fixed blade 2.The movable blade 6 has hardness of H7
The movable blade 6 is made of a non-ceramic material made of 650 cutter steel, and the movable blade 6 is formed with several cutting blades 7 with a substantially trapezoidal cross section through blade grooves 8, and is connected to a motor (not shown). Movable blade 6
are connected. A recess lO is formed in the sliding surface 9 of the cutting edge 7 of the movable blade 6 to reduce the sliding load and to make the sliding surface 9 flat. The movable blade 6 is pressed against the fixed blade 2 by multiple push-up springs provided on the holding plate 11.
固定刃２と可動刃６と押え板１１とは対面した状態にね
じ］３ ｊとより復数箇所で支持されている。押え板１
１にはねじ１３が挿入される長溝１４が形成されている
。固定刃２の切刃４は硬度がＨｖ６５０の刃物鋼からな
る非セラミツクス材でできており、切刃４の刃先エッヂ
δから離れた摺動面１６には表面荒さが５ミクロン乃至
３０ミクロンで硬度がＨＶ ２０００のセラミックス層
１７が露出されて込る。セラミックス層１７はＡｌ４０
ｓ＊Ｓ Ｉｃ）ｚｅ ＣｒｔＯｓｅ Ｚｒ０ｚ ＊Ｓｉ
３Ｎｇの単独、又はＡｌ４０ｓ＊ Ｓ ｉ Ｏｘ＊ Ｃ
ｒｚＯｓの混合物を水で混練したセラミックス材を固定
刃２の切刃４の摺動面１６に形成した凹部迅にデツピン
グにより付着させ、乾燥させたのち焼結し、焼結したの
ち摺動面１６を研磨することにより形成されている。こ
のようにして形成した固定刃２に可動刃６を摺接させる
と、第３図及び第４図に示すように、摩耗していた可動
刃６の刃先エッヂ１９は固定刃２のセラミックス層１７
により研磨され鋭利な状態に再生されるのである。The fixed blade 2, the movable blade 6, and the presser plate 11 are supported at several locations by screws]3j in a facing state. Presser plate 1
1 is formed with a long groove 14 into which a screw 13 is inserted. The cutting blade 4 of the fixed blade 2 is made of a non-ceramic material made of cutter steel with a hardness of Hv650, and the sliding surface 16 remote from the cutting edge δ of the cutting blade 4 has a surface roughness of 5 to 30 microns and a hardness. The ceramic layer 17 of HV 2000 is exposed. Ceramic layer 17 is Al40
s*S Ic)ze CrtOse Zr0z *Si
3Ng alone or Al40s* Si Ox* C
A ceramic material prepared by kneading a mixture of rzOs with water is quickly deposited on the recess formed on the sliding surface 16 of the cutting blade 4 of the fixed blade 2 by tapping, dried, and then sintered. It is formed by polishing. When the movable blade 6 is brought into sliding contact with the fixed blade 2 formed in this way, as shown in FIGS.
It is polished and restored to a sharp state.
次に、本発明の第２の実施例について第５図を参照して
説明する。可動刃６の切刃７の刃先エッヂ１９から離れ
た可動刃６の摺動面９にセラミックス層１７を露出させ
ることにより刃物鋼でできた固定刃２の刃先エッヂ正を
研磨するようにしている。Next, a second embodiment of the present invention will be described with reference to FIG. By exposing the ceramic layer 17 on the sliding surface 9 of the movable blade 6 that is away from the cutting edge 19 of the cutting blade 7 of the movable blade 6, the edge of the fixed blade 2 made of cutter steel is polished. .
次に本発明の第３の実施例について第６図を参照して説
明する。固定刃２の切刃４の刃先エッヂ巧から離れた摺
動面１６にセラミックス層１７を露出させるとともに、
可動刃６の切刃７の刃先エッヂ１９から離れた摺動面９
にセラミックス層１７を露出させることにより、同定刃
２の刃先エッヂ巧及び可動刃６の刃先工・ソヂ１９の両
方を研磨するようにしてｂる。Next, a third embodiment of the present invention will be described with reference to FIG. While exposing the ceramic layer 17 on the sliding surface 16 remote from the cutting edge edge of the cutting blade 4 of the fixed blade 2,
A sliding surface 9 remote from the cutting edge 19 of the cutting blade 7 of the movable blade 6
By exposing the ceramic layer 17, both the edge finish of the identification blade 2 and the edge finish 19 of the movable blade 6 are polished.
次に１本発明の第４図の実施例につ層て第７図及び第８
図を参照して説明する。セラミックス層１５をη数箇所
に分布させて固定刃２の切刃４の摺接面１６に形成する
ことにより、可動刃６あ切刃７の切刃エッヂ１９の研磨
量を調整することができる。Next, in addition to the embodiment of the present invention shown in FIG. 4, FIGS.
This will be explained with reference to the figures. By distributing the ceramic layer 15 at several locations and forming it on the sliding surface 16 of the cutting blade 4 of the fixed blade 2, the amount of polishing of the cutting edge 19 of the movable blade 6a and the cutting blade 7 can be adjusted. .
次に、本発明の第５の実施例につ込て第９図及び第１Ｏ
図を参照して説明する。固定刃２の切刃４に切刃４の摺
動面１６と摺動面１６の反対面２０とを貫違する貫通孔
２１を形成し、セラミックス層１７を固定刃２の摺動面
１６と反対面２０とに連通させて形成するととによりセ
ラミックス層１７と固定刃２との接合面積を増加させて
接合強度を強固にするととぐ５）
もに、切刃４の剛性を高めてｂる。Next, regarding the fifth embodiment of the present invention, FIG. 9 and FIG.
This will be explained with reference to the figures. A through hole 21 is formed in the cutting blade 4 of the fixed blade 2 to pass through the sliding surface 16 of the cutting blade 4 and the opposite surface 20 of the sliding surface 16, and the ceramic layer 17 is connected to the sliding surface 16 of the fixed blade 2. When formed in communication with the opposite surface 20, the bonding area between the ceramic layer 17 and the fixed blade 2 is increased and the bonding strength is strengthened.5) In addition, the rigidity of the cutting blade 4 is increased. .
尚、第４及び第５の実施例は固定刃２に採用して説明し
たが、可動刃６に設けても良い。Although the fourth and fifth embodiments have been described using the fixed blade 2, the movable blade 6 may also be provided.
このように、本発明に係る刃物は、相互に摺動しあう固
定刃と可動刃の少なくとも込ずれか一方の摺動面であっ
て刃先エッヂから離れた摺動面にセラミックス層を露出
させたことを特徴とするものであるから、固定刃に可動
刃を摺接させることにより摩耗した切刃の刃先エッヂを
セラミックス層で鋭利に研磨して再生することができ切
味寿命の長い刃物にすることができるという効果がある
。As described above, the cutter according to the present invention has a ceramic layer exposed on the sliding surface of at least one of the fixed blade and the movable blade that slide against each other and is away from the cutting edge. By sliding the movable blade on the fixed blade, the worn edge of the cutting blade can be sharpened and regenerated with a ceramic layer, resulting in a blade with a long cutting life. It has the effect of being able to
第１図は本発明の刃物を採用した刈込機の外観斜視図、
第２図は同上の刈込機の固定刃と可動刃の一部を拡大し
た斜視図％第３図は第２図におけるＸ−Ｘ断面図、第４
図は本発明の動作状態を説明する第３図に対応した断面
図、第５図乃至第１０図は本発明の他の実施例図、第１
１図は従来例図である。
２・・・固定刃、６・・・可動刃、９・・・可動刃の摺
動面、拓・・・固定刃の刃先エッヂ、１６・・・固定刃
の摺動面、１９・・・可動刃の刃先エッヂ。FIG. 1 is an external perspective view of a mowing machine employing the blade of the present invention;
Figure 2 is an enlarged perspective view of a portion of the fixed blade and movable blade of the same mower as above. Figure 3 is a sectional view taken along line X-X in Figure 2,
The figure is a sectional view corresponding to FIG. 3 for explaining the operating state of the present invention, and FIGS.
Figure 1 is a diagram of a conventional example. 2... Fixed blade, 6... Movable blade, 9... Sliding surface of movable blade, Taku... Cutting edge of fixed blade, 16... Sliding surface of fixed blade, 19... The cutting edge of a movable blade.
Claims (5)
ずれか一方の摺動面であって刃先エッヂから離れた摺動
面にセラミックス層を露出させたことを特徴とする刃物
。(1) A cutlery characterized in that a ceramic layer is exposed on the sliding surface of at least one of the fixed blade and the movable blade that slide against each other and is away from the cutting edge.
０ミクロンになっていることを特徴とする特許請求の範
囲第１項記載の刃物。(2) The surface roughness of the ceramic layer is 5 microns to 3 microns.
The cutter according to claim 1, characterized in that the cutter has a diameter of 0 micron.
徴とする特許請求の範囲第１項記載の刃物。(3) A cutlery according to claim 1, characterized in that the ceramic layer is distributed at a plurality of locations.
孔を形成し、セラミックス層を前記貫通孔を介して前記
摺動面と前記反対面に連通させて設けたことを特徴とす
る特許請求の範囲第１項記載の刃物。(4) A through hole communicating with the sliding surface of the blade and a surface opposite to the sliding surface is formed, and a ceramic layer is provided to communicate with the sliding surface and the opposite surface via the through hole. A cutlery according to claim 1, characterized in that:
を特徴とする特許請求の範囲第１項記載の刃物。(5) The cutter according to claim 1, wherein the fixed blade and the movable blade are formed in a comb shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59174489A JPS6152210A (en) | 1984-08-22 | 1984-08-22 | Blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59174489A JPS6152210A (en) | 1984-08-22 | 1984-08-22 | Blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6152210A true JPS6152210A (en) | 1986-03-14 |
Family
ID=15979376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59174489A Pending JPS6152210A (en) | 1984-08-22 | 1984-08-22 | Blade |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6152210A (en) |
-
1984
- 1984-08-22 JP JP59174489A patent/JPS6152210A/en active Pending
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