JPH06170615A - Head replacement type cutting holder - Google Patents

Head replacement type cutting holder

Info

Publication number
JPH06170615A
JPH06170615A JP32517492A JP32517492A JPH06170615A JP H06170615 A JPH06170615 A JP H06170615A JP 32517492 A JP32517492 A JP 32517492A JP 32517492 A JP32517492 A JP 32517492A JP H06170615 A JPH06170615 A JP H06170615A
Authority
JP
Japan
Prior art keywords
shank
head
cutting
recess
cutting holder
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.)
Granted
Application number
JP32517492A
Other languages
Japanese (ja)
Other versions
JP2714334B2 (en
Inventor
Yoichi Yasuma
安間陽一
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MITSUYASU SEISAKUSHO YUGEN
Original Assignee
MITSUYASU SEISAKUSHO YUGEN
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by MITSUYASU SEISAKUSHO YUGEN filed Critical MITSUYASU SEISAKUSHO YUGEN
Priority to JP4325174A priority Critical patent/JP2714334B2/en
Priority to DE19934340911 priority patent/DE4340911A1/en
Publication of JPH06170615A publication Critical patent/JPH06170615A/en
Application granted granted Critical
Publication of JP2714334B2 publication Critical patent/JP2714334B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
    • B23B27/007—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor for internal turning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
    • B23B31/006—Conical shanks of tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
    • B23B31/02—Chucks
    • B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
    • B23B31/11—Retention by threaded connection
    • B23B31/1107—Retention by threaded connection for conical parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
    • B23B31/02—Chucks
    • B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
    • B23B31/11—Retention by threaded connection
    • B23B31/1107—Retention by threaded connection for conical parts
    • B23B31/1122—Retention by threaded connection for conical parts using cylindrical threads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2222/00—Materials of tools or workpieces composed of metals, alloys or metal matrices
    • B23B2222/12—Brass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2228/00—Properties of materials of tools or workpieces, materials of tools or workpieces applied in a specific manner
    • B23B2228/10—Coatings

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cutting Tools, Boring Holders, And Turrets (AREA)
  • Drilling Tools (AREA)

Abstract

PURPOSE:To increase machining application and work efficiency and reduce tool cost by replacing a variety of head groups for single shank. CONSTITUTION:A mounting section 1b protruded in a cone shape on which a cutting chip 2 is mounted and which is provided with a stage with a receiver 1a at one end is provided. Also a screw hole 5 for tightening means is drilled at the top end of the mounting section 1b, and a cutting holder 1 on the periphery of which a key 6 for slip prevention means is provided is installed at a base, a cone-shaped close-fit recess 7 for closely fitting the mounting section 1b is installed to one end, and a keyway 8 to engage with the key 6 is provided at the inner edge, and a recess 9 to closely fit the head of a tensile bolt 4 is provided at the other end. In addition, a through hole 10 in which the tensile bolt 4 is inserted in longitudinal direction from the recess 9 at one end to the close-fit recess 7 at the other end is provided in a shank 3. The tensile bolt 4 is rotated to press fixedly the mounting section 1b on the tensile cone surface in the close-fit recess 7 and integrate the shank 3 with the cutting holder head 1.

Description

【発明の詳細な説明】Detailed Description of the Invention

【０００１】[0001]

【産業上の利用分野】本発明は切削刃ホルダーへッドと
シャンク部分を分離し、被削材に応じた１本のシャンク
に種々なヘッド群を交換できるヘッド交換式切削ホルダ
ーに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a head exchange type cutting holder in which a cutting blade holder head and a shank portion are separated from each other and various head groups can be exchanged for one shank according to a work material.

【０００２】[0002]

【従来の技術】従来の穴グリ、倣い、バックボーリング
等小径深穴の切削加工には超硬合金シャンクの先端に鋼
をロー付けし、鋼部の先端に刃具取付け部を施してホル
ダーとして使用するものと、超硬合金と鋼材とを一体化
した２種類がある。[Prior Art] For cutting of small diameter deep holes such as conventional boring, copying, and back boring, steel is brazed to the tip of cemented carbide shank and the tip of the steel part is provided with a cutting tool attachment part for use as a holder There are two types, one is the one that does, and one that integrates the cemented carbide and the steel material.

【０００３】[0003]

【発明が解決しようとする課題】前記超硬合金シャンク
ホルダーは非常に高価となり、そのため使用時に損傷し
た時には損失も大きく、又再加工が可能であっても相当
な手数を要する等の欠点がある。The cemented carbide shank holder is very expensive, and therefore, it suffers a large loss when it is damaged during use, and it requires a considerable amount of work even if it can be reworked. .

【０００４】[0004]

【課題を解決するための手段】本発明は前記課題に対処
するため、切削刃ホルダーヘッドとシャンク部分を分離
可能にし、ヘッドと、シャンクの取付け部はテーパー嵌
合として一本のシャンクに多種類のヘッド群を交換する
ようにして、加工用途拡大と作業能率の向上を計ること
を目的に提供するものである。In order to solve the above-mentioned problems, the present invention makes it possible to separate the cutting blade holder head and the shank portion, and the head and the attachment portion of the shank are taper-fitted in one shank. The head group is replaced to provide the purpose of expanding the processing application and improving the work efficiency.

【０００５】[0005]

【作用】本発明は、シャンク３の一端側に設けた嵌合凹
部７内に、多種類の切削ホルダーヘッド群の中から加工
に必要な切削ホルダーヘッド１を取り出し、この切削ホ
ルダーヘッド１に設けた取付け部１ａの円錐部に嵌め込
むと共に取付け部１ａの基部側に設けたキー６を嵌合凹
部７の縁部に対応させて設けた溝８と噛合せ、更に取付
け部１ａの先端面に設けたねじ孔４に、シャンク３の他
端側の凹部９から、シャンク３に設けた貫通孔１０に挿
入した頭部４ａを有した引張ボルト４を螺合させ、引張
ボルト４の締付けで取付け部１ａの錐面をシャンク３の
嵌合凹部７の錐面に圧接し強固に固定できて使用する。According to the present invention, the cutting holder head 1 necessary for machining is taken out from a group of various kinds of cutting holder heads in the fitting concave portion 7 provided on one end side of the shank 3 and provided on the cutting holder head 1. The key 6 provided on the base side of the mounting portion 1a is fitted into the conical portion of the mounting portion 1a, and the key 8 is engaged with the groove 8 provided corresponding to the edge of the fitting concave portion 7. The tension bolt 4 having the head 4a inserted into the through hole 10 provided in the shank 3 is screwed into the provided screw hole 4 from the recess 9 on the other end side of the shank 3, and is attached by tightening the tension bolt 4. The conical surface of the portion 1a is pressed against the conical surface of the fitting recess 7 of the shank 3 so that it can be firmly fixed and used.

【０００６】また取り外すには引張ボルト４の螺合を解
除することで取り外しできる。即ち着脱が簡単である。[0006] To remove the tension bolt 4, it can be removed by unscrewing the tension bolt 4. That is, it is easy to put on and take off.

【０００７】[0007]

【実施例】図は、本発明によるヘッド交換式切削ホルダ
ーの一実施例を示したもので、以下図に基いて具体的に
説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows an embodiment of a head-replaceable cutting holder according to the present invention, which will be specifically described below with reference to the drawings.

【０００８】１は切削チップ２を保持するホルダーヘッ
ドで、このホルダーヘッド１はシャンク３を取付ける受
部１ａを有す段部を備えた錐状の突出させた取付け部１
ｂを設け、しかも、この取付け部１ｂの先端面には中央
部に後記頭部４ａを有する引張ボルト４の先端を螺合す
るねじ孔５を穿つと共に、取付け部１ｂの基端部には外
周にキー６を設けてある。Reference numeral 1 denotes a holder head for holding a cutting tip 2. The holder head 1 has a conical protruding mounting portion 1 having a step portion having a receiving portion 1a for mounting a shank 3.
b is provided, and a screw hole 5 into which the tip of a tension bolt 4 having a head 4a described later is screwed is formed on the tip end surface of the attachment portion 1b, and the outer periphery is provided at the base end portion of the attachment portion 1b. A key 6 is provided on the.

【０００９】また前記シャンク３の一端側には、前記ホ
ルダーヘッド１の取付け部１ｂと嵌め合う錐状の嵌合凹
部７を設けこの嵌合凹部７の内縁の一部には前記キー６
と噛合いするキー溝８を設け、更にシャンク３の他端に
は、前記引張ボルト４の頭部４ａを嵌める凹部９と、凹
部９と嵌合凹部を連結させて引張ボルト４を挿入する貫
通孔１０を設けてある。Further, a conical fitting recess 7 for fitting with the mounting portion 1b of the holder head 1 is provided at one end of the shank 3, and the key 6 is provided at a part of the inner edge of the fitting recess 7.
A key groove 8 that meshes with the shank 3 is provided, and at the other end of the shank 3, a recess 9 into which the head 4a of the tension bolt 4 is fitted, and a penetration for inserting the tension bolt 4 by connecting the recess 9 and the fitting recess. A hole 10 is provided.

【００１０】[0010]

【発明の効果】加工に必要な切削チップを取付けかつ錐
状の取付け部を有する切削ホルダーヘッド群の１つを選
定して、前記を取付け部と嵌合する錐状嵌合凹部を一端
に備えたシャンクに嵌合して、シャンクの他端側から貫
通孔を通して引張ボルトを挿入して切削ホルダーヘッド
と螺合して引張ボルトを回転して締付け錐面を圧接する
と共にキーと溝を噛合せて滑り止めとして固定するため
強固に固定しホルダーヘッドとシャンクの一体化を保つ
ため安心して使用でき、更に着脱が簡単であるため１本
のシャンクに、加工に応じた切削ホルダーヘッドが使用
でき、また被削材に応じ鋼製シャンクと超硬シャンクの
選択をすることにより工具費は従来に比べ半減する事が
できる。EFFECTS OF THE INVENTION One of the cutting holder head groups for mounting cutting tips necessary for machining and having a conical mounting portion is selected, and one end is provided with a conical fitting recess for fitting the cutting tip with the mounting portion. It is fitted to the shank, the tensile bolt is inserted from the other end side of the shank through the through hole, screwed with the cutting holder head, the tensile bolt is rotated to press the conical surface, and the key and groove are engaged. Since it is fixed as a non-slip, it can be firmly fixed and can be used with confidence because the holder head and shank are integrated, and since it is easy to attach and detach, one shank can use the cutting holder head according to the machining, In addition, the tool cost can be halved compared to the conventional one by selecting steel shank and carbide shank according to the work material.

【図面の簡単な説明】[Brief description of drawings]

【図１】本発明によるヘッド交換式切削ホルダーの一実
施例を示した組付け時の側面図である。FIG. 1 is a side view at the time of assembly showing an embodiment of a head-replaceable cutting holder according to the present invention.

【図２】穴グリ、倣い及びバックボーリングの各チップ
を取付けた切削ホルダーヘッド群を示した正面図であ
る。FIG. 2 is a front view showing a cutting holder head group to which chips for boring, copying and back boring are attached.

【符号の説明】[Explanation of symbols]

１ ホルダーヘッド １ａ 受部 １ｂ 取付け部 ２ 切削チップ ３ シャンク ４ 引張ボルト ４ａ 頭部 ５ ねじ孔 ６ キー ７ 嵌合凹部 ８ キー溝 ９ 凹部 １０ 貫通孔 1 Holder Head 1a Receiving part 1b Mounting part 2 Cutting tip 3 Shank 4 Tensile bolt 4a Head 5 Screw hole 6 Key 7 Fitting recess 8 Key groove 9 Recess 10 Through hole

Claims (1)

【特許請求の範囲】[Claims] 【請求項１】 切削チップを取付け、更に一端には受部
と、回転止め手段を施した錐状に突出させた取付け部を
設けると共に取付け部の先端には締付手段のねじ孔を有
した切削ホルダーヘッドと、一端に前記ホルダーヘッド
の取付け部を嵌合する錐状の嵌合凹部を回転止め手段を
施して設けると共他端側から前記嵌合凹部に向けて長手
方向の中央部を貫通させた貫通孔を有したシャンクを有
し、前記切削ホルダーヘッドの取付け部をシャンクの嵌
合凹部に嵌合し、シャンクの他端より貫通孔を通して挿
入した引張ボルトを対応した切削ホルダーヘッドに螺合
締付け錐面を圧接固定することを特徴としたヘッド交換
式切削ホルダー。1. A cutting tip is attached, and further, a receiving portion is provided at one end, and a conical protruding attachment portion provided with a rotation stopping means is provided, and a screw hole for a fastening means is provided at the tip of the attaching portion. When a cutting holder head and a conical concave portion for fitting the mounting portion of the holder head are provided at one end by providing rotation stopping means, a central portion in the longitudinal direction is formed from the other end side toward the fitting concave portion. Having a shank having a through hole penetrated through it, the mounting portion of the cutting holder head is fitted into the fitting recess of the shank, and a tensile bolt inserted through the through hole from the other end of the shank is attached to the corresponding cutting holder head. A head-replaceable cutting holder characterized by screwing and tightening the conical surface.
JP4325174A 1992-12-04 1992-12-04 Replaceable head cutting holder Expired - Lifetime JP2714334B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP4325174A JP2714334B2 (en) 1992-12-04 1992-12-04 Replaceable head cutting holder
DE19934340911 DE4340911A1 (en) 1992-12-04 1993-12-01 Cutting plate insert holder with exchangeable head - to which is secured is reused cutting plate while its one end contains retention section and conical fastening section

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4325174A JP2714334B2 (en) 1992-12-04 1992-12-04 Replaceable head cutting holder

Publications (2)

Publication Number Publication Date
JPH06170615A true JPH06170615A (en) 1994-06-21
JP2714334B2 JP2714334B2 (en) 1998-02-16

Family

ID=18173838

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4325174A Expired - Lifetime JP2714334B2 (en) 1992-12-04 1992-12-04 Replaceable head cutting holder

Country Status (2)

Country Link
JP (1) JP2714334B2 (en)
DE (1) DE4340911A1 (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU677889B2 (en) * 1989-12-11 1997-05-08 Caterpillar Inc. Integrated vehicle positioning and navigation system, apparatus and method
AU685568B2 (en) * 1989-12-11 1998-01-22 Caterpillar Inc. Integrated vehicle positioning and navigation system, apparatus and method
JP2001505133A (en) * 1996-07-08 2001-04-17 サンドビック アクティエボラーグ（プブル） Boring bar
JP2008544137A (en) * 2005-06-20 2008-12-04 マパル ファブリック フュール プラツィジョンズベルクゼウグ ドクトル．クレス カーゲー Valve seat and valve guide machining tools
US20100303572A1 (en) * 2009-06-01 2010-12-02 Norman Keith Sturm Lathe-mounted tool-holder
JP2011206885A (en) * 2010-03-30 2011-10-20 Honda Motor Co Ltd Boring tool and boring method
CN106216718A (en) * 2016-08-18 2016-12-14 西安现代深孔技术有限公司 A kind of deep borehole double body combination pushes away boring cutter body device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020134531A1 (en) * 2020-12-22 2022-06-23 Hubert Kimmich boring bar assembly

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52165388U (en) * 1976-06-07 1977-12-14
JPS5372886U (en) * 1976-11-20 1978-06-17
JPS63127803U (en) * 1987-02-12 1988-08-22

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3225173C2 (en) * 1982-07-06 1984-04-26 Komet Stahlhalter- Und Werkzeugfabrik Robert Breuning Gmbh, 7122 Besigheim Connection device for connecting a machine tool spindle with a conical mounting hole to a tool holder
DE3532891A1 (en) * 1985-09-14 1987-03-26 Krupp Gmbh TOOL CLUTCH

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52165388U (en) * 1976-06-07 1977-12-14
JPS5372886U (en) * 1976-11-20 1978-06-17
JPS63127803U (en) * 1987-02-12 1988-08-22

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU677889B2 (en) * 1989-12-11 1997-05-08 Caterpillar Inc. Integrated vehicle positioning and navigation system, apparatus and method
AU685568B2 (en) * 1989-12-11 1998-01-22 Caterpillar Inc. Integrated vehicle positioning and navigation system, apparatus and method
JP2001505133A (en) * 1996-07-08 2001-04-17 サンドビック アクティエボラーグ（プブル） Boring bar
JP2008544137A (en) * 2005-06-20 2008-12-04 マパル ファブリック フュール プラツィジョンズベルクゼウグ ドクトル．クレス カーゲー Valve seat and valve guide machining tools
US20100303572A1 (en) * 2009-06-01 2010-12-02 Norman Keith Sturm Lathe-mounted tool-holder
US8192116B2 (en) * 2009-06-01 2012-06-05 Kvk Industries, Llc Lathe-mounted tool-holder
JP2011206885A (en) * 2010-03-30 2011-10-20 Honda Motor Co Ltd Boring tool and boring method
CN106216718A (en) * 2016-08-18 2016-12-14 西安现代深孔技术有限公司 A kind of deep borehole double body combination pushes away boring cutter body device

Also Published As

Publication number Publication date
DE4340911A1 (en) 1994-06-09
JP2714334B2 (en) 1998-02-16

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