JP3057952B2 - Turning tools - Google Patents
Turning toolsInfo
- Publication number
- JP3057952B2 JP3057952B2 JP5044150A JP4415093A JP3057952B2 JP 3057952 B2 JP3057952 B2 JP 3057952B2 JP 5044150 A JP5044150 A JP 5044150A JP 4415093 A JP4415093 A JP 4415093A JP 3057952 B2 JP3057952 B2 JP 3057952B2
- Authority
- JP
- Japan
- Prior art keywords
- tip
- chip
- turning tool
- cutting
- tool body
- 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
Landscapes
- Cutting Tools, Boring Holders, And Turrets (AREA)
Description
【０００１】[0001]
【産業上の利用分野】この発明は、切刃寿命を向上させ
ることのできる旋削工具の構造の改良に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement in the structure of a turning tool capable of improving the life of a cutting edge.
【０００２】[0002]
【従来の技術】図８乃至図１０は従来のこの種の旋削工
具の一例を示すものである。これらの図に示す旋削工具
は、工具本体２の先端部に形成されたチップ座４にシー
ト部材６を介してスローアウェイチップ８が装着固定さ
れてなるものである。工具本体２の内部には略Ｌ字状を
呈するレバー部材が、その一端部１２をスローアウェイ
チップ８の取付穴９内に挿通せしめ、その他端部をクラ
ンプねじ１０の下方に位置せしめた状態で配設されてお
り、クランプねじ１０を締付けることによりレバー部材
を介してスローアウェイチップ８をチップ座４に固定す
るようになっている。2. Description of the Related Art FIGS. 8 to 10 show an example of a conventional turning tool of this kind. In the turning tool shown in these figures, a throw-away tip 8 is mounted and fixed via a sheet member 6 to a tip seat 4 formed at a tip end portion of a tool main body 2. A substantially L-shaped lever member is inserted inside the tool body 2 with one end 12 inserted through the mounting hole 9 of the throw-away tip 8 and the other end positioned below the clamp screw 10. The indexable tip 8 is fixed to the tip seat 4 via a lever member by tightening the clamp screw 10.
【０００３】ところで、上記のような従来の旋削工具で
被削材の切削加工を行う場合、スローアウェイチップ８
の先端部８ａ付近が非常に高温となり、チップ寿命が短
くなるという課題があった。このような場合に、工具と
別に設けた冷却ノズルからスローアウェイチップ８に向
けて冷却液を供給する方法では、冷却液を充分に供給す
ることが難しいとともに、切刃先端部を効果的に冷却す
ることが難しかった。[0003] When cutting a work material with the conventional turning tool as described above, the indexable insert 8 is used.
There is a problem that the temperature near the tip 8a becomes extremely high and the chip life is shortened. In such a case, it is difficult to sufficiently supply the cooling liquid from the cooling nozzle provided separately from the tool toward the throw-away tip 8, and the tip of the cutting blade is effectively cooled. It was difficult to do.
【０００４】本発明は上記の如き事情に鑑みてなされた
ものであり、切刃先端部を効果的に冷却して、刃先寿命
と加工精度を向上させることができる旋削工具を提供す
ることを目的としている。SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and has as its object to provide a turning tool capable of effectively cooling the tip of a cutting blade and improving the service life and machining accuracy of the cutting edge. And
【０００５】[0005]
【課題を解決するための手段】工具本体の先端部に切刃
が設けられた旋削工具において、前記工具本体に前記切
刃のすくい面から突出する突出部が設けられ、この突出
部に、少なくとも一つが前記切刃で生成される切屑の表
側を向き、少なくとも一つが前記切屑の裏側を向く複数
の噴出穴が形成され、さらに前記噴出穴と冷却液供給部
とを連通する流路が形成されていることを特徴とする旋
削工具。In a turning tool having a cutting edge provided at a tip end of a tool body, the tool body is provided with a projection projecting from a rake face of the cutting blade. A plurality of ejection holes are formed, one of which faces the front side of the chip generated by the cutting blade, and at least one of the plurality of ejection holes faces the back side of the chip, and a flow path communicating the ejection hole and the coolant supply unit is formed. A turning tool, characterized in that:
【０００６】[0006]
【作用】上記構成に係る旋削工具によれば、切削時、切
刃の先端部で生成された高温の切屑に対して、その表側
及び裏側に噴出穴から十分な冷却水を供給することによ
り、切屑に接する切刃発熱部の冷却が効果的に行われ
る。According to the turning tool having the above-described configuration, by supplying sufficient cooling water from the ejection holes to the front and back sides of the high-temperature chips generated at the tip of the cutting blade during cutting, Cooling of the cutting edge heat generating portion in contact with the chips is effectively performed.
【０００７】[0007]
【実施例】以下、図１乃至図７を参照して本発明の実施
例を説明する。本実施例に係る旋削工具の切刃支持構造
は、前述の従来の旋削工具と同様であり、工具本体１４
の内部には略Ｌ字状を呈するレバー部材１５が配設され
ており、クランプねじ１６を締め付けることにより、チ
ップ座１８上にシート部材２０を介して装着されたスロ
ーアウェイチップ（切刃）２２の固定が行われるように
なっている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. The cutting edge support structure of the turning tool according to the present embodiment is the same as that of the above-described conventional turning tool.
A lever member 15 having a substantially L-shape is disposed in the inside of the inside, and a throw-away tip (cutting blade) 22 mounted on a tip seat 18 via a sheet member 20 by tightening a clamp screw 16. Is fixed.
【０００８】本実施例に係る旋削工具では、工具本体１
４のチップ座１８より後方側に、スローアウェイチップ
（以下「チップ」という。）２２のすくい面２４より上
方に突出する突出部２６が、チップ２２を包囲するよう
に形成されている。そして、この突出部２６の側面２６
ａには、該側面２６ａに開口し直線状に延びる２つの噴
出穴２８，３０が、チップ２２の先端を中心として所定
角度離間した位置に形成されている。噴出穴２８の向き
は、工具本体１４にチップ２２を装着した状態におい
て、チップ２２の切削方向先端部２２ａで生成される切
屑の表側を狙う方向（すくい面２４寄りの方向）とさ
れ、噴出穴３０の向きは、チップ２２の切削方向先端部
２２ａで生成される切屑の裏側を狙う方向（逃げ面２３
寄りの方向）とされている。In the turning tool according to this embodiment, the tool body 1
A projecting portion 26 projecting above the rake face 24 of the throw-away tip (hereinafter referred to as “tip”) 22 is formed behind the tip seat 18 of the fourth tip 4 so as to surround the tip 22. Then, the side surface 26 of this projection 26
In FIG. 2A, two ejection holes 28 and 30 that open in the side surface 26a and extend linearly are formed at positions separated by a predetermined angle around the tip of the tip 22. The direction of the ejection hole 28 is set to the direction (the direction toward the rake face 24) which aims at the front side of the chip generated at the tip 22 a in the cutting direction of the chip 22 in a state where the tip 22 is mounted on the tool body 14. The direction of 30 is the direction (the flank surface 23) that aims at the back side of the chips generated at the tip 22a in the cutting direction of the chip 22.
Approach direction).
【０００９】一方、工具本体１４の下部には、略平板状
を呈するカバー部材３２が着脱可能に取り付けられてい
る。このカバー部材３２の角部には、断面く字状をなす
顎部３４が設けられ、また、この顎部３４に対応する工
具本体１４の角部には切込み部３６が形成されており、
この切込み部３６と顎部３４との間に、チップ２２の逃
げ面２３側に向けて開口する噴出口３８（図４参照）が
形成されている。この噴出口３８の形状は、図２におけ
る範囲ｒ1及び図３における範囲ｒ2に渡る部分に冷却液
を供給可能な形状とされている。On the other hand, a cover member 32 having a substantially flat plate shape is detachably attached to a lower portion of the tool body 14. At the corner of the cover member 32, a jaw 34 having a U-shaped cross section is provided, and at the corner of the tool body 14 corresponding to the jaw 34, a notch 36 is formed.
An ejection port 38 (see FIG. 4) that opens toward the flank 23 of the chip 22 is formed between the cut 36 and the jaw 34. The shape of the jet port 38 is such that the cooling liquid can be supplied to a portion extending over a range r1 in FIG. 2 and a range r2 in FIG.
【００１０】また、工具本体１４には、図示しない冷却
液供給部に連結されるクーラント供給口４０が形成され
るとともに、このクーラント供給口４０の端部から下方
に向けて延びる流路４２が形成されている。また、流路
４２と平行に延びる流路４４、４６も形成され、それぞ
れ、噴出穴２８、３０の端部に連通している。そして、
前記カバー部材３２の上部に、流路４２と流路４４，４
６とを連通する溝部４８、及び流路４２と噴出口３８と
を連通する溝部５０が形成されている。A coolant supply port 40 connected to a coolant supply unit (not shown) is formed in the tool body 14, and a flow path 42 extending downward from an end of the coolant supply port 40 is formed. Have been. Further, flow paths 44 and 46 extending in parallel with the flow path 42 are also formed, and communicate with ends of the ejection holes 28 and 30, respectively. And
The flow path 42 and the flow paths 44, 4
6 and a groove 50 communicating the flow path 42 and the jet port 38 are formed.
【００１１】上記構成に係る旋削工具においては、図示
されない冷却液供給部から水等の冷却液を供給しつつ、
被削材Ｗを軸線回りに回転させ、工具本体１４を送り方
向（図５の矢印Ｂ方向）に送りつつ、工具本体１４の先
端部に設けられたチップ２２の先端部２２ａで被削材Ｗ
の切削加工を行う。この際、流路４２から供給された冷
却液の一方は、溝部５０を経て噴出口３８からチップ２
２の逃げ面２３側（チップ２２の角部）に噴きつけら
れ、チップ２２の下方からの冷却が行われる。また、流
路４２から供給された冷却液の他方は、溝部４８、流路
４４，４６を経て噴出穴２８，３０の開口部からチップ
２２の先端側に向けて噴きつけられる。In the turning tool according to the above configuration, while supplying a coolant such as water from a coolant supply unit (not shown),
The work material W is rotated around the axis, and the tool body 14 is fed in the feed direction (the direction of the arrow B in FIG. 5), while the work material W is held at the tip 22 a of the tip 22 provided at the tip of the tool body 14.
Carry out cutting work. At this time, one of the cooling liquids supplied from the flow path 42 passes through the groove 50 from the jet port 38 to the chip 2.
2 is sprayed on the side of the flank 23 (the corner of the chip 22), and cooling from below the chip 22 is performed. The other of the coolant supplied from the flow channel 42 is sprayed toward the tip end of the chip 22 from the openings of the jet holes 28 and 30 via the groove 48 and the flow channels 44 and 46.
【００１２】噴出口２８から噴き出される冷却液は、図
５に示すように、チップ２２の切削方向先端部２２ａで
順次生成される切屑Ｃ1の表側に噴きつけられ、その一
部は切屑Ｃ1で反射してチップ２２のすくい面２４に降
りかけられる。また、噴出口３０から噴き出された冷却
液は、切屑Ｃ1の裏側に噴きつけられる。このため、チ
ップ２２の先端部２２ａで順次生成される高温の切屑Ｃ
1は、その表側及び裏側から十分な冷却液を供給されて
冷却され、同時にこの切屑Ｃ1に接するチップ２２の先
端部２２ａも冷却される。As shown in FIG. 5, the cooling liquid jetted from the jet port 28 is jetted to the front side of the chips C1 sequentially generated at the tip 22a in the cutting direction of the chip 22, and a part of the chips is generated by the chips C1. The light is reflected and falls on the rake face 24 of the chip 22. Further, the cooling liquid spouted from the spout 30 is spouted behind the chips C1. Therefore, the high-temperature chips C sequentially generated at the tip 22a of the chip 22
1 is cooled by being supplied with sufficient cooling liquid from the front side and the back side, and at the same time, the tip 22a of the chip 22 in contact with the chip C1 is also cooled.
【００１３】このように、切削時において切削部２２ａ
に当接する切屑Ｃ1の表裏両側の冷却を行うことによ
り、切削時の高温発生部を効率よく冷却することがで
き、従って、チップ２２の発熱も有効に抑えられ、切刃
寿命が延長するとともに、加工精度が向上する。As described above, during cutting, the cutting portion 22a
By cooling both the front and back sides of the chip C1 in contact with the surface, it is possible to efficiently cool the high temperature generating portion during cutting, and therefore, the heat generation of the chip 22 is also effectively suppressed, and the life of the cutting edge is extended, Processing accuracy is improved.
【００１４】なお、本実施例においては、突出部２６に
噴出穴を２つ設ける構成としているが、噴出穴を３つ以
上設ける構成としてもよい。In this embodiment, two ejection holes are provided in the projecting portion 26, but three or more ejection holes may be provided.
【００１５】[0015]
【発明の効果】以上説明したように、この発明の旋削工
具によれば、工具本体に切刃のすくい面から突出する突
出部が設けられ、この突出部に、少なくとも一つが切刃
で生成される切屑の表側を向き、少なくとも一つが切屑
の裏側を向く複数の噴出穴が形成され、さらに噴出穴と
冷却液供給部とを連通する流路が形成されているので、
噴出穴から噴出する冷却水により切屑を表裏両面側から
冷却しつつ切削することができ、切屑と接触する切刃の
温度上昇を有効に防止して、切刃寿命と加工精度の向上
を図ることができる。As described above, according to the turning tool of the present invention, the tool body is provided with the protruding portion projecting from the rake face of the cutting blade, and at least one of the protruding portions is formed by the cutting blade. Since a plurality of ejection holes facing the front side of the chip and at least one facing the back side of the chip are formed, and further, a flow path communicating the ejection hole and the coolant supply unit is formed,
Chips can be cut while cooling from both front and back sides by the cooling water jetted from the jet holes, effectively preventing the temperature of the cutting edge that comes into contact with the chip from rising and improving the life of the cutting edge and machining accuracy Can be.
【図１】本発明の一実施例に係る旋削工具の平面図であ
る。FIG. 1 is a plan view of a turning tool according to an embodiment of the present invention.
【図２】図１のII方向からの矢視図である。FIG. 2 is a view as seen from an arrow II in FIG. 1;
【図３】図１のIII方向からの矢視図である。FIG. 3 is a view as seen from the direction of arrow III in FIG. 1;
【図４】図３のＡ部拡大図である。FIG. 4 is an enlarged view of a portion A in FIG. 3;
【図５】同実施例に係る旋削工具の切削状態を示す平面
図である。FIG. 5 is a plan view showing a cutting state of the turning tool according to the embodiment.
【図６】図５のVI方向からの矢視図である。FIG. 6 is a view from arrow VI in FIG. 5;
【図７】図５のVII方向からの矢視図である。FIG. 7 is a view as seen from the direction of arrow VII in FIG. 5;
【図８】従来の旋削工具の一例を示す平面図である。FIG. 8 is a plan view showing an example of a conventional turning tool.
【図９】図８の旋削工具の側面図である。FIG. 9 is a side view of the turning tool of FIG. 8;
【図１０】図８の旋削工具の正面図である。FIG. 10 is a front view of the turning tool of FIG. 8;
１４ 工具本体 ２２ 切刃 ２４ すくい面 ２６ 突出部 ２８，３０ 噴出穴 ４４，４６ 流路 14 Tool body 22 Cutting blade 24 Rake surface 26 Projecting part 28, 30 Spouting hole 44, 46 Channel
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) B23B 27/10 ──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int. Cl. 7 , DB name) B23B 27/10
Claims (1)
工具において、前記工具本体に前記切刃のすくい面から
突出する突出部が設けられ、この突出部に、少なくとも
一つが前記切刃で生成される切屑の表側を向き、少なく
とも一つが前記切屑の裏側を向く複数の噴出穴が形成さ
れ、さらに前記噴出穴と冷却液供給部とを連通する流路
が形成されていることを特徴とする旋削工具。1. A turning tool in which a cutting edge is provided at a tip end of a tool body, wherein the tool body is provided with a projection projecting from a rake face of the cutting blade, and at least one of the projections is provided with the cutting edge. A plurality of ejection holes facing the front side of the chip generated by the blade, at least one of which faces the back side of the chip, are formed, and a flow path communicating the ejection hole and the coolant supply unit is formed. Turning tool to be characterized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5044150A JP3057952B2 (en) | 1993-03-04 | 1993-03-04 | Turning tools |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5044150A JP3057952B2 (en) | 1993-03-04 | 1993-03-04 | Turning tools |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06254705A JPH06254705A (en) | 1994-09-13 |
| JP3057952B2 true JP3057952B2 (en) | 2000-07-04 |
Family
ID=12683607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5044150A Expired - Lifetime JP3057952B2 (en) | 1993-03-04 | 1993-03-04 | Turning tools |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3057952B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8701530B2 (en) | 2008-07-25 | 2014-04-22 | Ihi Corporation | Method of cutting thin-walled material |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014012481A1 (en) * | 2014-08-27 | 2016-03-03 | Rosswag Gmbh | Disc milling cutter and manufacturing process |
| WO2017003343A1 (en) * | 2015-06-30 | 2017-01-05 | Seco Tools Ab | A cutting tool and a nozzle with internally extending grooves |
| EP3408048B1 (en) * | 2016-01-29 | 2020-03-11 | Seco Tools Ab | A cutting tool |
| WO2018139401A1 (en) | 2017-01-24 | 2018-08-02 | 京セラ株式会社 | Cutting tool and method for producing cut article |
| TWI640376B (en) * | 2017-06-30 | 2018-11-11 | 黃憲仁 | Improved structure of a tool holder |
| CA3080079C (en) * | 2018-04-30 | 2022-01-11 | Hartmetall-Werkzeugfabrik Paul Horn Gmbh | Tool for machining a workpiece |
| CN117900530B (en) * | 2024-01-25 | 2024-07-05 | 哈尔滨理工大学 | High-efficient refrigerated interior cold blade and cutter |
-
1993
- 1993-03-04 JP JP5044150A patent/JP3057952B2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8701530B2 (en) | 2008-07-25 | 2014-04-22 | Ihi Corporation | Method of cutting thin-walled material |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH06254705A (en) | 1994-09-13 |
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