JP2560084Y2 - Fine adjustment cutting tool - Google Patents
Fine adjustment cutting toolInfo
- Publication number
- JP2560084Y2 JP2560084Y2 JP1991039479U JP3947991U JP2560084Y2 JP 2560084 Y2 JP2560084 Y2 JP 2560084Y2 JP 1991039479 U JP1991039479 U JP 1991039479U JP 3947991 U JP3947991 U JP 3947991U JP 2560084 Y2 JP2560084 Y2 JP 2560084Y2
- Authority
- JP
- Japan
- Prior art keywords
- quill
- cutting tool
- tip
- eccentric
- tool
- 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
Landscapes
- Cutting Tools, Boring Holders, And Turrets (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本考案は、クイルにその先方に突
出する先端の切刃を有するバイトを取付け、クイルを工
具ホルダを介して回転させてワークを切削するようにし
た微調整切削工具に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a finely-adjusted cutting tool in which a quill is provided with a cutting tool having a tip cutting edge projecting toward the tip thereof, and the quill is rotated via a tool holder to cut a workpiece. .
【０００２】[0002]
【従来の技術】従来、この種の切削工具として、実開昭
59-100506号公報や実公昭63-22004号公報により、工具
ホルダにクイルの基部を偏心スリーブを介して嵌挿し、
バイトの回転半径を偏心スリーブの回動によって微調整
し得るようにしたものは知られている。また、実開昭５
４−１７５６８７号公報に見られるように、バイトの先
端寄りの内側面に当接する偏心カムを形成した調整ロッ
ドをクイルに嵌挿し、調整ロッドの回動によりバイトの
切刃のワークに対する当り角を微調整可能としたものも
知られている。 2. Description of the Related Art Conventionally, this type of cutting tool has been
According to 59-100506 and Japanese Utility Model Publication 63-22004, insert the base of the quill into the tool holder via the eccentric sleeve,
It is known that the turning radius of the cutting tool can be finely adjusted by turning the eccentric sleeve. In addition, Shokai 5
As can be seen in JP-A-4-175687,
An adjustment lock with an eccentric cam that contacts the inner surface near the end
The quill into the quill and rotate the adjustment rod to
Some models allow fine adjustment of the contact angle of the cutting blade to the workpiece
Are known.
【０００３】[0003]
【考案が解決しようとする課題】上記した当り角の調整
機構は、バイトの先端寄りの部分を力点としてここに偏
心カムを当接させているため、力点部分の移動量に比し
作用点たるバイト先端の切刃の移動量が大きくなり、切
刃の当り角の微調整が面倒になると共に調整に要する操
作力が重くなり、当り角調整の操作性が悪くなる。ま
た、当り角調整に際し、偏心カムがバイトに圧接したま
まバイトに対し回転するため、偏心カムにバイトとのこ
じりによる磨耗を生じ、耐久性が悪くなる。 The above-mentioned contact angle adjusting mechanism biases the bit near the tip of the cutting tool as a power point.
Because the center cam is abutted, it is
The travel distance of the cutting edge at the tip of the cutting tool,
Fine adjustment of the contact angle of the blade is troublesome and the operation required for adjustment
The operation force becomes heavy, and the operability of the contact angle adjustment becomes poor. Ma
When adjusting the contact angle, keep the eccentric cam pressed against the cutting tool.
Also, since it rotates with respect to the cutting tool,
Abrasion due to seizure occurs, resulting in poor durability.
【０００４】本考案は、以上の点に鑑み、バイトの回転
半径を微調整するだけでなく切刃のワークに対する当り
角の微調整も行い得られるようにした操作性及び耐久性
に優れた工具を提供することをその目的としている。In view of the above points, the present invention provides operability and durability that enables not only fine adjustment of the turning radius of the cutting tool but also fine adjustment of the contact angle of the cutting blade with respect to the work .
Its purpose is to provide excellent tools.
【０００５】[0005]
【課題を解決する手段】上記目的を達成すべく、本考案
では、クイルにその先方に突出する先端の切刃を有する
バイトを取付け、クイルの基部を工具ホルダに偏心スリ
ーブを介して嵌挿して、偏心スリーブの回動によりバイ
トの回転半径を微調整可能とする切削工具において、ク
イルに、クイルの径方向内方を向くバイトの内側面の先
端寄りの部分に当接する支点部材を取付けると共に、バ
イトの内側面の尾端寄りの部分に周面を当接させた、バ
イトの先端の切刃のワークに対する当り角を調整する調
整ロッドを偏心カラーを介してクイルに嵌挿した。In order to achieve the above object, according to the present invention, a quill is provided with a cutting tool having a tip cutting edge projecting toward the quill, and the quill base is inserted into a tool holder via an eccentric sleeve. In a cutting tool in which the turning radius of the cutting tool can be finely adjusted by turning the eccentric sleeve, a quill is attached with a fulcrum member that abuts on a portion near the tip of the inner surface of the cutting tool that faces radially inward of the quill, the peripheral surface is brought into contact with the tail end side of the portion of the inner surface of the bytes, Ba
An adjusting rod for adjusting the contact angle of the cutting edge at the tip of the site with respect to the work was inserted into the quill via the eccentric collar.
【０００６】[0006]
【作用】偏心カラーを回動することにより調整ロッドが
クイルの径方向に微動し、これに伴いバイトの尾端部が
径方向に押し引きされ、バイトに支点部材との当接点を
支点とした微小な傾動が与えられ、バイトの先端の切刃
のワークに対する当り角が微調整される。この場合、バ
イトの先端寄りの部分を支点、バイトの尾端寄りの部分
を力点とするてこが構成されるため、力点部分の移動量
に比し作用点たるバイト先端の切刃の移動量が小さくな
り、切刃の当り角の微調整が容易になると共に調整に要
する操作力が軽減され、当り角調整の操作性が向上す
る。 また、偏心カラーを回転したとき、調整ロッドは偏
心カラーに対する相対回転でバイトに対し静止したまま
クイルの径方向に移動可能となり、調整ロッドとバイト
との当接部におけるこじりが防止され、耐久性が向上す
る。 By rotating the eccentric collar, the adjusting rod slightly moves in the radial direction of the quill, and accordingly, the tail end of the cutting tool is pushed and pulled in the radial direction, and the contact point between the cutting tool and the fulcrum member is used as a fulcrum. A slight tilt is given, and the contact angle of the cutting edge at the tip of the cutting tool with respect to the workpiece is finely adjusted. In this case,
The fulcrum of the part near the tip of the site, the part near the tail end of the bite
Is the leverage point, so the amount of movement
Movement of the cutting edge at the tip of the cutting tool,
Makes it easy to fine-tune the contact angle of the
Operating force is reduced, and the operability of hit angle adjustment is improved.
You. When the eccentric collar is rotated, the adjustment rod
Rotation relative to the heart collar remains stationary with the bite
The quill can be moved in the radial direction.
Prevents twisting in the contact area with
You.
【０００７】[0007]
【実施例】図１を参照して、１は工具ホルダ、２はクイ
ルを示し、クイル２の基部２ａを偏心スリーブ３を介し
て工具ホルダ１に嵌挿すると共に、該ホルダ１内に該ホ
ルダ１に植設したピン４に係合して回止めされる回止め
体５を設け、該回止め体５を基部２ａの端面に形成した
溝２ｂに係合させると共に該基部２ａにボルト６止めし
て、クイル２を工具ホルダ１に対し回止めし、更に工具
ホルダ１内にスナップリング７を介して係止される環状
のばね受け８を設けて、該ばね受け８と回止め体５との
間に介設するばね９により基部２ａに工具ホルダ１側へ
の引込み力を付与するようにした。偏心スリーブ３は、
基部２ａを嵌合する内周面が工具ホルダ１に嵌合する外
周面に対し偏心しており、該スリーブ３に工具ホルダ１
の先端に突出する角形フランジ３ａを形成し、該フラン
ジ３ａに係合する適宜の工具を用いて該スリーブ３を回
動し得るようにし、この回動で工具ホルダ１の回転軸線
に対するクイル２の偏心量、即ちクイル２に取付けるバ
イト１０の回転半径を微調整し得るようにした。バイト
１０はクイル２の先方に突出する先端の切刃１０ａを有
するもので、該バイト１０をクイル２に１対のスプリン
グ付ボルト１１により径方向内方に付勢して取付けた。
バイト１０には図示しないが各ボルト１１を挿通する軸
線方向に長手の取付穴が形成されており、更に図３に示
す如く、バイト１０の尾端にクイル２の基部２ａ寄りの
フランジ２ｃに当接する調整ねじ１２を取付け、該ねじ
１２によってバイト１０の位置を軸線方向に微調整し得
るようにした。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Referring to FIG. 1, reference numeral 1 denotes a tool holder, and 2 denotes a quill. A base 2a of the quill 2 is inserted into a tool holder 1 via an eccentric sleeve 3, and the holder is inserted into the holder 1. 1 is provided with a detent member 5 which is engaged with the pin 4 implanted in 1 and is stopped. The detent member 5 is engaged with a groove 2b formed on the end face of the base 2a, and a bolt 6 is fixed to the base 2a. Then, the quill 2 is stopped against the tool holder 1, and an annular spring receiver 8 is provided in the tool holder 1 via a snap ring 7. A spring 9 interposed therebetween applies a retraction force to the tool holder 1 on the base 2a. The eccentric sleeve 3
The inner peripheral surface into which the base 2a is fitted is eccentric with respect to the outer peripheral surface into which the tool holder 1 is fitted.
The sleeve 3 can be rotated by using a suitable tool that engages with the flange 3a, and the quill 2 can be rotated with respect to the rotation axis of the tool holder 1 by this rotation. The amount of eccentricity, that is, the turning radius of the cutting tool 10 attached to the quill 2 can be finely adjusted. The cutting tool 10 has a cutting edge 10a at the tip protruding forward of the quill 2, and the cutting tool 10 is attached to the quill 2 by urging it radially inward by a pair of bolts 11 with springs.
Although not shown, the cutting tool 10 is formed with a longitudinal mounting hole in the axial direction through which the bolts 11 are inserted. Further, as shown in FIG. 3, the tail end of the cutting tool 10 contacts the flange 2c near the base 2a of the quill 2. An adjusting screw 12 was provided so as to be in contact therewith so that the position of the cutting tool 10 could be finely adjusted in the axial direction by the screw 12.
【０００８】クイル２には、クイル２の径方向内方を向
くバイト１０の内側面にバイト１０の先端寄りの部分に
おいて当接する支点部材１３が螺着されており、更にク
イル２に、バイト１０の尾端寄りの部分の内側に位置さ
せて図２に示す如くバイト１０の内側面の法線方向と略
直交する方向の凹孔２ｄを形成し、該凹孔２ｄに偏心カ
ラー１４を嵌合して、該カラー１４の偏心した内周面に
調整ロッド１５を嵌挿し、該カラー１４から突出する調
整ロッド１５の内端部周面にバイト１０の内側面の尾端
寄りの部分を該部分に螺着した当て部材１６を介して当
接させた。調整ロッド１５の内端には、凹孔２ｄの底壁
部を通して皿ばね１７付きのボルト１８が取付けられて
おり、皿ばね１７の付勢力で調整ロッド１５を偏心カラ
ー１４に引込むようにし、又偏心カラー１４の外端部に
角形フランジ１４ａを形成し、該フランジ１４ａに係合
する適宜の工具を用いて該カラー１４を回動し得るよう
にした。偏心カラー１４の回動によれば、調整ロッド１
５がクイル２の径方向に微動し、該ロッドに当接するバ
イト１０の尾端寄りの部分が径方向に押し引きされて、
バイト１０が支点部材１３に当接する先端寄りの部分を
支点にして傾動され、バイト１０の先端の切刃１０ａの
ワークＷに対する当り角が微調整される。図中１９、２
０は、偏心スリーブ３や偏心カラー１３の操作の目安と
するために工具ホルダ１やクイル２に付した目盛りであ
る。A fulcrum member 13 is screwed to the quill 2 on the inner surface of the cutting tool 10 facing inward in the radial direction of the quill 2 at a portion near the tip of the cutting tool 10. 2, a recess 2d is formed in a direction substantially perpendicular to the normal direction of the inner surface of the cutting tool 10 as shown in FIG. 2, and an eccentric collar 14 is fitted in the recess 2d. Then, the adjusting rod 15 is inserted into the eccentric inner peripheral surface of the collar 14, and the portion near the tail end of the inner surface of the cutting tool 10 is inserted into the inner peripheral surface of the adjusting rod 15 protruding from the collar 14. The contact member 16 was screwed into the contact member 16. A bolt 18 with a disc spring 17 is attached to the inner end of the adjusting rod 15 through the bottom wall of the concave hole 2d, and the adjusting rod 15 is drawn into the eccentric collar 14 by the urging force of the disc spring 17. A rectangular flange 14a is formed at the outer end of the eccentric collar 14 so that the collar 14 can be rotated using an appropriate tool that engages with the flange 14a. According to the rotation of the eccentric collar 14, the adjustment rod 1
5 is slightly moved in the radial direction of the quill 2, and a portion near the tail end of the cutting tool 10 in contact with the rod is pushed and pulled in the radial direction,
The cutting tool 10 is tilted with the portion near the tip contacting the fulcrum member 13 as a fulcrum, and the contact angle of the cutting edge 10a of the cutting tool 10a with respect to the workpiece W is finely adjusted. 19, 2 in the figure
Reference numeral 0 denotes a scale provided on the tool holder 1 and the quill 2 as a guide for operating the eccentric sleeve 3 and the eccentric collar 13.
【０００９】[0009]
【考案の効果】以上の説明から明らかなように、本考案
によれば、バイトの回転半径の微調整だけでなく、切刃
のワークに対する当り角を偏心カラーの回動によりてこ
を利用して操作性良く微調整でき、更に、調整ロッドと
バイトとの当接部におけるこじりが防止され、耐久性も
向上する。 As is apparent from the foregoing description of the invention] According to the present invention, not only the fine adjustment of the rotation radius of bytes, by a contact angle with respect to the cutting edge of the workpiece to the rotation of the eccentric collar Riteko
The uses can be operated with good fine-tuning, further, the adjustment rod
Prevents prying at the point of contact with the cutting tool and increases durability
improves.
【図面の簡単な説明】[Brief description of the drawings]
【図１】 本案工具の一例の部分截断側面図FIG. 1 is a partially cut-away side view of an example of the tool of the present invention.
【図２】 図１のII-II線截断面図FIG. 2 is a sectional view taken along the line II-II of FIG.
【図３】 図２のIII-III線截断面図FIG. 3 is a sectional view taken along the line III-III of FIG. 2;
１ 工具ホルダ ２ クイル ２ａ クイル
の基部 ３ 偏心スリーブ １０ バイト １３ 支点部
材 １４ 偏心カラー １５ 調整ロッドReference Signs List 1 tool holder 2 quill 2a quill base 3 eccentric sleeve 10 bit 13 fulcrum member 14 eccentric collar 15 adjustment rod
Claims (1)
を有するバイトを取付け、クイルの基部を工具ホルダに
偏心スリーブを介して嵌挿して、偏心スリーブの回動に
よりバイトの回転半径を微調整可能とする切削工具にお
いて、クイルに、クイルの径方向内方を向くバイトの内
側面の先端寄りの部分に当接する支点部材を取付けると
共に、バイトの内側面の尾端寄りの部分に周面を当接さ
せた、バイトの先端の切刃のワークに対する当り角を調
整する調整ロッドを偏心カラーを介してクイルに嵌挿し
たことを特徴とする微調整式切削工具。1. A quill having a tip cutting edge protruding forward is attached to a quill, a quill base is inserted into a tool holder via an eccentric sleeve, and the turning radius of the quill is reduced by rotation of the eccentric sleeve. In a cutting tool that can be adjusted, a quill is provided with a fulcrum member abutting on a portion of the quill that faces inward in the radial direction of the quill near the tip of the inside surface of the quill, and a peripheral surface is provided on a portion of the inside surface of the quill near the tail end. Adjust the contact angle of the cutting edge at the tip of the cutting tool against the workpiece.
A fine-adjustment type cutting tool characterized in that an adjusting rod to be adjusted is inserted into a quill via an eccentric collar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1991039479U JP2560084Y2 (en) | 1991-05-29 | 1991-05-29 | Fine adjustment cutting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1991039479U JP2560084Y2 (en) | 1991-05-29 | 1991-05-29 | Fine adjustment cutting tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04133504U JPH04133504U (en) | 1992-12-11 |
| JP2560084Y2 true JP2560084Y2 (en) | 1998-01-21 |
Family
ID=31920754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1991039479U Expired - Fee Related JP2560084Y2 (en) | 1991-05-29 | 1991-05-29 | Fine adjustment cutting tool |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2560084Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6710672B2 (en) * | 2017-11-13 | 2020-06-17 | 東芝三菱電機産業システム株式会社 | Processing tool for cutting |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54175687U (en) * | 1978-06-01 | 1979-12-12 | ||
| JPS634567U (en) * | 1986-06-26 | 1988-01-13 |
-
1991
- 1991-05-29 JP JP1991039479U patent/JP2560084Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04133504U (en) | 1992-12-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 19970729 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| LAPS | Cancellation because of no payment of annual fees |