JP5016314B2 - Hole chip cleaning tool - Google Patents

Hole chip cleaning tool Download PDF

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JP5016314B2
JP5016314B2 JP2007005422A JP2007005422A JP5016314B2 JP 5016314 B2 JP5016314 B2 JP 5016314B2 JP 2007005422 A JP2007005422 A JP 2007005422A JP 2007005422 A JP2007005422 A JP 2007005422A JP 5016314 B2 JP5016314 B2 JP 5016314B2
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hole
tool
cleaned
piston
spindle
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JP2008168411A (en
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洋 諏訪
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Shibaura Machine Co Ltd
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Toshiba Machine Co Ltd
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この発明は、ワークに明けた穴にねじを切るタップ加工工程の前後等において、該穴内にある切粉等を排出するための穴の切粉清掃工具に係り、特に穴が隣接して複数ある場合の切粉清掃に適した穴の切粉清掃工具に関する。
TECHNICAL FIELD The present invention relates to a hole chip cleaning tool for discharging chips and the like in a hole before and after a tapping process for cutting a screw into a hole opened in a workpiece, and in particular, there are a plurality of adjacent holes. The present invention relates to a chip cleaning tool for holes suitable for chip cleaning.

従来、工作機械においてはバイト等の刃物による加工時に生じる切粉を排除するため、特許文献1に示されているように、刃物に圧油を噴出する油孔を設けたり、また、特許文献2に示されているように、バイトによる切削個所にオイルミストを噴出させたりしている。
特開平6−297211号公報 特開2005−14117号公報
Conventionally, in machine tools, in order to eliminate chips generated during processing with a cutting tool such as a tool, as shown in Patent Document 1, an oil hole for ejecting pressure oil is provided in the cutting tool, or Patent Document 2 As shown in Fig. 4, oil mist is ejected to the cutting part by the cutting tool.
Japanese Patent Laid-Open No. 6-297 211 JP 2005-14117 A

ところで、ワークに明けた穴にねじを切るタップ加工工程においては、従来、該穴内に残った切粉を排出するため、ノズル状の清掃治具を用いて、人手によりエアーで穴から切粉を排出していた。   By the way, in the tapping process of cutting a screw into a hole opened in a workpiece, conventionally, in order to discharge the chips remaining in the holes, the chips are manually removed from the holes by air using a nozzle-shaped cleaning jig. It was discharged.

しかしながら、この方法では、穴が複数あって互いに接近している場合、一度清掃した穴に再び切粉が入ってしまうため、清掃を複数回循環させて行う必要があり、多くの工数を要するという課題があった。   However, in this method, when there are a plurality of holes and they are close to each other, the chips once again enter the holes that have been cleaned, so it is necessary to circulate the cleaning multiple times, which requires a lot of man-hours. There was a problem.

この発明は、穴が隣接して複数ある場合であっても一回の清掃で各穴から確実に切粉等を排出して工数の低減を図ることのできる穴の切粉清掃工具を提供することを目的としている。
The present invention provides a chip cleaning tool for holes that can reduce the number of man-hours by reliably discharging chips from each hole even if there are a plurality of adjacent holes. The purpose is that.

上記目的を達成するためのこの発明による穴の切粉清掃工具は、少なくとも先端側にシリンダ穴を有する工具本体と、前記シリンダ穴に所定長さにわたって出入自在に嵌入されたピストンと、このピストンを前記シリンダ穴の先端側へ押圧する付勢手段と、前記ピストンの先端に取り付けられ、清掃対象である穴の入口を覆うと共に所定方向へ向けて開放する逃がし溝を有するカバーと、元端側は前記工具本体に取り付け固定されて加圧空気の供給を受けると共に、先端側は前記ピストンを出入自在に貫通して前記清掃対象である穴内に進入可能に形成されたノズルと、を備えてなることを特徴としている。   In order to achieve the above object, a hole chip cleaning tool according to the present invention comprises a tool body having a cylinder hole at least on the tip end side, a piston fitted into the cylinder hole over a predetermined length, and a piston. An urging means that presses toward the tip end side of the cylinder hole, a cover that is attached to the tip end of the piston, covers the inlet of the hole to be cleaned, and has an escape groove that opens in a predetermined direction, and the original end side is The nozzle body is fixedly attached to the tool body and is supplied with pressurized air, and the tip end side includes a nozzle formed to be able to enter and exit the hole to be cleaned through the piston. It is characterized by.

なお、前記工具本体は、前記清掃対象である穴を加工する工作機械の工具を取り付ける主軸に直接若しくは間接的に着脱可能に形成されてい
Incidentally, the tool body, that are directly or indirectly detachably formed on the main shaft for mounting a machine tool for machining a hole that is the cleaning target.

また、この発明による穴の切粉清掃工具は、上記の工具本体を、前記清掃対象である穴を加工する工作機械の工具を取り付ける主軸に直接若しくは間接的に着脱可能に形成した穴内の切粉清掃工具を用い、前記主軸の3次元位置及び回転角度位置を前記工作機械の数値制御機能により自動的に制御することにより、前記逃がし溝を有するカバーの前記逃がし溝の開放方向を前記清掃対象である穴に対して位置決めすると共に前記ノズルを該穴内に進入させて該穴内の切粉を所定の方向へ排出させることを特徴としている。 Moreover, the chip cleaning tool for a hole according to the present invention provides a chip in a hole in which the tool body is formed to be detachable directly or indirectly on a main shaft to which a tool of a machine tool for processing the hole to be cleaned is attached. The cleaning tool is used to automatically control the three-dimensional position and the rotational angle position of the spindle by the numerical control function of the machine tool, so that the opening direction of the escape groove of the cover having the escape groove is determined by the cleaning object. While positioning with respect to a certain hole, the said nozzle is advanced into this hole, and the chip in this hole is discharged | emitted to the predetermined direction, It is characterized by the above-mentioned.

この発明によれば、ノズルの先端から噴出される加圧空気により清掃対象である穴から排出された切粉は、その排出方向を前記カバーにより制限され、カバーの逃がし溝の部分のみから外部へ排出させることができ、このため逃がし溝を所定の方向へ向けることにより、一度清掃した穴に切粉が入らないようにすることができ、穴が隣接して複数ある場合であっても一回の清掃で各穴から確実に切粉を排出して工数の低減を図ることができる効果が得られる。   According to the present invention, the chips discharged from the hole to be cleaned by the pressurized air ejected from the tip of the nozzle are restricted in the discharge direction by the cover, and only from the portion of the cover relief groove to the outside. Therefore, it is possible to prevent chips from entering the hole once cleaned by directing the escape groove in a predetermined direction, even if there are multiple holes adjacent to each other. With this cleaning, chips can be surely discharged from each hole and the man-hour can be reduced.

また、この切粉清掃工具を前記清掃対象である穴を加工する工作機械の工具を取り付ける主軸に直接若しくは間接的に着脱可能に形成し、該主軸の3次元位置及び回転角度位置を前記工作機械の数値制御機能により切粉清掃工具を自動的に移動及び位置決め制御すれば、穴内の切粉を簡単かつ確実に清掃することができる効果が得られる。   Further, the chip cleaning tool is formed so as to be detachable directly or indirectly on a spindle to which a tool of a machine tool for machining the hole to be cleaned is attached, and the three-dimensional position and the rotation angle position of the spindle are determined. If the chip cleaning tool is automatically moved and positioned by the numerical control function, it is possible to clean the chips in the hole easily and reliably.

以下図1ないし図3によりこの発明の一実施形態例について説明する。図1及び図2において、10は工具本体であり、この工具本体10は、図2に示すように、同図において下方の先端側には先端を開放したシリンダ穴11を有し、このシリンダ穴11にピストン12が出入自在に嵌入されている。ピストン12の外周面には、長手方向に伸びるガイド溝13が設けられ、他方、工具本体10には、ガイド溝13に嵌入するガイドピン14が設けられ、ピストン12を工具本体10のシリンダ穴11に対して所定長さにわたって出入自在に保持すると共に、シリンダ穴11内に設けられた付勢手段としての圧縮コイル状スプリング15により、ピストン12をシリンダ穴11の先端側へ弾性的に押圧するようになっている。   An embodiment of the present invention will be described below with reference to FIGS. 1 and 2, reference numeral 10 denotes a tool body. As shown in FIG. 2, the tool body 10 has a cylinder hole 11 having an open end on the lower end side in FIG. 11, a piston 12 is fitted in and out freely. A guide groove 13 extending in the longitudinal direction is provided on the outer peripheral surface of the piston 12. On the other hand, a guide pin 14 that fits into the guide groove 13 is provided on the tool body 10, and the piston 12 is connected to the cylinder hole 11 of the tool body 10. The piston 12 is elastically pressed toward the tip end side of the cylinder hole 11 by a compression coil spring 15 as an urging means provided in the cylinder hole 11. It has become.

ピストン12の先端には、図3に示すように、ワークWに設けられた清掃対象である穴16の入口を覆うカバー17が取り付けられ、このカバー17の下面には、ゴム又はプラスチック等の弾性材からなり、カバー17の一部を構成して該カバー17をワークWに密着させるための柔軟材18が設けられている。このカバー17には逃がし溝19が設けられ、穴16の入口を所定方向(図3において左方向)へ向けて開放するようになっている。   As shown in FIG. 3, a cover 17 is attached to the tip of the piston 12 so as to cover the entrance of the hole 16 to be cleaned provided on the workpiece W. An elastic material such as rubber or plastic is attached to the lower surface of the cover 17. The flexible material 18 which consists of material and comprises a part of cover 17 and makes this cover 17 closely_contact | adhere to the workpiece | work W is provided. The cover 17 is provided with an escape groove 19 that opens the entrance of the hole 16 in a predetermined direction (left direction in FIG. 3).

工具本体10の元端側は、図3に示すように、工作機械の主軸Sに直接又はホルダー等を介して間接的に取り付けられるように形成されている。なお、この工作機械は、清掃対象である穴16を加工(タップ加工及びその下穴加工を含む)する工作機械であり、主軸Sの位置及び移動を数値制御により3次元で制御して上記穴16の加工を行うものである。   As shown in FIG. 3, the base end side of the tool body 10 is formed so as to be directly or indirectly attached to the spindle S of the machine tool via a holder or the like. This machine tool is a machine tool that processes the hole 16 to be cleaned (including tapping and pilot hole processing), and controls the position and movement of the spindle S in three dimensions by numerical control. 16 processes are performed.

工具本体10は、上記工作機械の主軸Sに、好ましくは自動工具交換装置により自動的に着脱されるように構成され、工具本体10の元端側には、主軸S中の通路20を介して図示しない空圧源から加圧空気を供給される通孔21が設けられ、この通孔21にノズル22が気密に嵌入固定されている。このノズル22の先端側は、ピストン12の軸芯に沿って該ピストン12を出入自在に貫通し、図3に示すように、清掃対象である穴16内に進入可能に形成されている。なお、23は、シリンダ穴11内の圧縮コイル状スプリング15を有する部分の空間を外部に連通させるための通気孔である。   The tool body 10 is configured to be automatically attached to and detached from the spindle S of the machine tool, preferably by an automatic tool changer, and the tool body 10 is provided on the former end side of the tool body 10 via a passage 20 in the spindle S. A through hole 21 to which pressurized air is supplied from an air pressure source (not shown) is provided, and a nozzle 22 is fitted and fixed to the through hole 21 in an airtight manner. The front end side of the nozzle 22 penetrates the piston 12 along the axis of the piston 12 so as to freely enter and exit, and is formed so as to be able to enter the hole 16 to be cleaned as shown in FIG. Reference numeral 23 denotes a vent hole for communicating the space of the portion having the compression coil spring 15 in the cylinder hole 11 to the outside.

次いでこの工具の作用について説明する。好ましくは自動工具交換装置により上記のように工具本体10の元端側を図3に示すように、工作機械の主軸Sに取り付ける。この工作機械は、清掃対象である穴16の加工すなわちタップ加工やその下穴加工を行う工作機械であり、穴16を加工するための数値制御用データを有しているため、該データに基づいて作成した清掃用の数値制御用データにより主軸Sの位置及び移動を3次元で制御することにより、ノズル22の先端を所定の清掃対象である穴16の上方に位置付けすると共に、主軸Sの回転角度位置を所定位置に定めてカバー17の逃がし溝19の向きを所定の方向に向ける。   Next, the operation of this tool will be described. Preferably, the tool tool 10 is attached to the spindle S of the machine tool as shown in FIG. 3 by the automatic tool changer as described above. This machine tool is a machine tool that performs processing of the hole 16 to be cleaned, that is, tap processing and pilot hole processing, and has data for numerical control for processing the hole 16, and based on the data. By controlling the position and movement of the spindle S in three dimensions using the numerical control data for cleaning created in this way, the tip of the nozzle 22 is positioned above the hole 16 to be cleaned and the spindle S is rotated. The angular position is set to a predetermined position, and the direction of the relief groove 19 of the cover 17 is directed to the predetermined direction.

なお、この穴16に対するノズル22の位置付けは、後述する切粉の排出を容易にするため、穴16の中心に対してノズル22を逃がし溝19の開放方向と反対側へずらすなど穴16の片側を広く空けるようにしてもよい。   The positioning of the nozzle 22 with respect to the hole 16 is such that the nozzle 22 escapes with respect to the center of the hole 16 and is shifted to the opposite side to the opening direction of the groove 19 in order to facilitate discharge of chips described later. You may make it open widely.

次いで主軸Sを所定速度で下降させ、カバー17をワークWの表面に押し付けて穴16の入口を覆う。カバー17により穴16の入口を覆った後、通路20及び通孔21を介してノズル22へ図示しない空圧源から加圧空気を供給しつつ主軸Sを所定速度又はステップ送りで穴16の底部近傍まで下降させる。   Next, the spindle S is lowered at a predetermined speed, and the cover 17 is pressed against the surface of the workpiece W to cover the entrance of the hole 16. After the inlet of the hole 16 is covered by the cover 17, the main shaft S is fed at a predetermined speed or step feed to the bottom of the hole 16 while supplying pressurized air from an air pressure source (not shown) to the nozzle 22 through the passage 20 and the through hole 21. Lower to near.

ノズル22へ供給された加圧空気はノズル22の先端から穴16内へ噴出され、穴16内の切粉24を逃がし溝19から外部へ排出する。この穴16から排出される切粉24は、逃がし溝19により排出方向が定められるため、各穴16に対する清掃の順番及び逃がし溝19の向きを適宜に定めることにより、一度清掃した穴16へ切粉24が入ることを阻止できる。   The pressurized air supplied to the nozzle 22 is ejected from the tip of the nozzle 22 into the hole 16, and the chips 24 in the hole 16 are released and discharged from the groove 19 to the outside. Since the discharge direction of the chips 24 discharged from the holes 16 is determined by the escape grooves 19, the holes 16 are cut into the holes 16 once cleaned by appropriately determining the order of cleaning for the holes 16 and the direction of the release grooves 19. The powder 24 can be prevented from entering.

前述した実施形態例では、工具本体10を清掃対象である穴16を加工する工作機械の工具を取り付ける主軸Sに取り付けて自動的に清掃する例を示したが、この発明はこれに限定されるものではなく、工具本体10を手動で操作するようにしてもよく、工具本体10等の形状も種々変形実施可能である。   In the above-described embodiment, the example in which the tool body 10 is attached to the spindle S to which the tool of the machine tool for machining the hole 16 to be cleaned is attached and automatically cleaned is shown, but the present invention is limited to this. However, the tool body 10 may be manually operated, and the shape of the tool body 10 and the like can be variously modified.

この発明は、タップ加工工程の前後においての穴内からの切粉の排出に限らず、穴を清掃するための工具として広く適用可能である。   The present invention is not limited to the discharge of chips from the hole before and after the tapping process, and can be widely applied as a tool for cleaning the hole.

この発明の一実施形態例を示す正面図。1 is a front view showing an embodiment of the present invention. 図1のA−A線による縦断面図。The longitudinal cross-sectional view by the AA line of FIG. 図2に示した工具の使用状態の一例を示す縦断面図。The longitudinal cross-sectional view which shows an example of the use condition of the tool shown in FIG.

符号の説明Explanation of symbols

10 工具本体
11 シリンダ穴
12 ピストン
13 ガイド溝
14 ガイドピン
15 圧縮コイル状スプリング
16 穴
17 カバー
18 柔軟材
19 逃がし溝
20 通路
21 通孔
22 ノズル
23 通気孔
24 切粉
S 主軸
W ワーク。
DESCRIPTION OF SYMBOLS 10 Tool main body 11 Cylinder hole 12 Piston 13 Guide groove 14 Guide pin 15 Compression coil-like spring 16 Hole 17 Cover 18 Flexible material 19 Escape groove 20 Passage 21 Through-hole 22 Nozzle 23 Vent hole 24 Chip S S Spindle W Workpiece.

Claims (1)

少なくとも先端側にシリンダ穴を有する工具本体と、
前記シリンダ穴に所定長さにわたって出入自在に嵌入されたピストンと、
このピストンを前記シリンダ穴の先端側へ押圧する付勢手段と、
前記ピストンの先端に取り付けられ、清掃対象である穴の入口を覆うと共に所定方向へ向けて開放する逃がし溝を有するカバーと、
元端側は前記工具本体に取り付け固定されて加圧空気の供給を受けると共に、先端側は前記ピストンを出入自在に貫通して前記清掃対象である穴内に進入可能に形成されたノズルと、
を備えてなる穴の切粉清掃工具で、
前記工具本体は、前記清掃対象である穴を加工する工作機械の工具を取り付ける主軸に直接若しくは間接的に着脱可能に形成され、
前記主軸の3次元位置及び回転角度位置を前記工作機械の数値制御機能により自動的に制御することにより、前記逃がし溝を有するカバーの前記逃がし溝の開放方向を前記清掃対象である穴に対して位置決めすると共に前記ノズルを該穴内に進入させて該穴内の切粉を所定の方向へ排出させることを特徴とする穴の切粉清掃工具。
A tool body having a cylinder hole at least on the tip side;
A piston fitted into the cylinder hole so as to freely enter and exit over a predetermined length;
Urging means for pressing the piston toward the tip side of the cylinder hole;
A cover that is attached to the tip of the piston and covers an inlet of a hole to be cleaned and has an escape groove that opens in a predetermined direction;
The former end side is fixedly attached to the tool body and receives supply of pressurized air, and the tip end side penetrates the piston so as to freely enter and exit, and a nozzle formed to be able to enter the hole to be cleaned,
In the hole chips cleaning tool comprising comprise,
The tool body is formed so as to be detachable directly or indirectly to a spindle to which a tool of a machine tool for machining the hole to be cleaned is attached,
By automatically controlling the three-dimensional position and the rotation angle position of the spindle by the numerical control function of the machine tool, the opening direction of the escape groove of the cover having the escape groove is set with respect to the hole to be cleaned. A hole chip cleaning tool characterized by positioning and causing the nozzle to enter the hole to discharge the chip in the hole in a predetermined direction .
JP2007005422A 2007-01-15 2007-01-15 Hole chip cleaning tool Active JP5016314B2 (en)

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DE102014013341A1 (en) * 2014-09-09 2016-03-10 Man Diesel & Turbo Se Tool for a machine tool

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JPS60125046U (en) * 1984-01-30 1985-08-23 マツダ株式会社 Machine tool chip removal device
JPH06277920A (en) * 1993-03-26 1994-10-04 Toyoda Gosei Co Ltd Chip removing device

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