JP6533708B2 - Machine Tools - Google Patents

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JP6533708B2
JP6533708B2 JP2015144002A JP2015144002A JP6533708B2 JP 6533708 B2 JP6533708 B2 JP 6533708B2 JP 2015144002 A JP2015144002 A JP 2015144002A JP 2015144002 A JP2015144002 A JP 2015144002A JP 6533708 B2 JP6533708 B2 JP 6533708B2
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opening
cutting fluid
door
wiper
baffle
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JP2017024106A (en
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順子 大島
順子 大島
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Okuma Corp
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Okuma Corp
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Description

この発明は、工具でワークを加工する際に切削液を吐出する工作機械に関するものである。   The present invention relates to a machine tool that discharges cutting fluid when processing a workpiece with a tool.

この明細書および特許請求の範囲において、図1の左右を左右というものとし、紙面手前側を前、奥側を後というものとする。   In this specification and claims, left and right in FIG. 1 are referred to as left and right, and the front side of the sheet is referred to as the front, and the back side is referred to as the rear.

従来の工作機械として、ワーク加工時に切削液が吐出される加工室の前面カバーに方形状の開口部が形成され、開口部を開閉するドアが左右方向にスライド自在に設けられ、加工室内に開口部の上縁に沿って左右方向にのびるダクトが設けられているものが知られている。(下記の特許文献1参照)   As a conventional machine tool, a rectangular opening is formed in the front cover of a processing chamber into which cutting fluid is discharged during workpiece processing, a door for opening and closing the opening is provided slidably in the lateral direction, and the opening is opened in the processing chamber It is known that a duct is provided extending in the left and right direction along the upper edge of the part. (See Patent Document 1 below)

このような工作機械において、カバーはワーク加工時に切削液や切粉が加工室の外へ飛散することを防止しており、カバーの前面に設けられた開口部により作業者が加工室内に侵入することが可能となっている。工作機械には、作業者の刃物台への寄り付きをよくするために、切削液や切粉を受ける受け皿を備えた水受け具が開閉ドアの下部に設けられて作業者の足場を確保する対策が施されている。   In such a machine tool, the cover prevents cutting fluid and chips from scattering out of the processing chamber during work processing, and the operator enters the processing chamber by the opening provided on the front of the cover. It has become possible. In the machine tool, in order to improve the worker's sticking to the tool stand, a water receptacle equipped with a pan for receiving cutting fluid and chips is provided at the lower part of the opening and closing door to secure the scaffold of the worker Is applied.

特開平10−34491号公報Unexamined-Japanese-Patent No. 10-34491

上記のような工作機械は、作業者がドアを開放して開口部を通過する際、ダクトに付着した切削液が垂れ落ちて作業者の頭上に落ちることがあった。   In the case of a machine tool as described above, when the worker opens the door and passes through the opening, the cutting fluid adhering to the duct may drip down and fall onto the worker's head.

この発明の目的は、作業者が開口部を通過する際に作業者の頭上へ切削液が落下することを防止することができる工作機械を提供することにある。   An object of the present invention is to provide a machine tool capable of preventing the cutting fluid from falling onto the head of the worker when the worker passes through the opening.

課題を解決するための手段および発明の効果Means for Solving the Problems and Effects of the Invention

この発明による工作機械は、ワーク加工時に切削液が吐出される加工室の前面カバーに方形状の開口部が形成され、開口部を開閉するドアが左右方向にスライド自在に設けられ、加工室内に開口部の上縁に沿って左右方向にのびるダクトが設けられている工作機械であって、ダクトの底壁下面に、付着した切削液の滴下位置が開口部から遠ざかるように後方に向かって斜め下方にのびる傾斜面を有するバッフルが設けられているものである。   In the machine tool according to the present invention, a rectangular opening is formed in the front cover of the processing chamber into which the cutting fluid is discharged during workpiece processing, and a door for opening and closing the opening is provided slidably in the lateral direction. A machine tool provided with a duct extending in the left and right direction along the upper edge of the opening, the cutting position of adhering cutting fluid adhering to the lower surface of the bottom wall of the duct being inclined rearwardly away from the opening A baffle is provided having an inclined surface extending downward.

この工作機械によれば、バッフルの傾斜面に付着した切削液は傾斜面をつたって後方へ流れていき傾斜面の後縁に到達すると垂れ落ちるので、作業者が開口部を通過する際、作業者の後方に切削液が落下する。そのため、作業者の頭上へ切削液が落下することを防止することができる。   According to this machine tool, since the cutting fluid adhering to the inclined surface of the baffle flows backward along the inclined surface and falls when reaching the trailing edge of the inclined surface, the operator works when passing through the opening. Cutting fluid falls to the rear of the person. Therefore, it is possible to prevent the cutting fluid from falling onto the worker's head.

この発明において、ドアの内側面に、ドアの開方向へのスライドに伴ってバッフルの傾斜面に付着した切削液を拭き取るワイパと、ワイパによって拭き取られた切削液をワイパの下方で受けてドアの内側面に向かって流下させる樋部材とが設けられていることが好ましい。   In the present invention, a wiper that wipes off the cutting fluid adhering to the inclined surface of the baffle as the door slides in the opening direction on the inner surface of the door, and the cutting fluid wiped off by the wiper under the wiper Preferably, a weir member is provided to flow down toward the inner surface of the housing.

このようにすると、バッフルの傾斜面に付着した切削液が傾斜面の後縁まで流れず、傾斜面の前後方向中央から落下するような場合でも、ドアの開方向へのスライドに伴ってワイパが傾斜面に付着した切削液を拭き取るので、作業者が開口部を通過する際、作業者の頭上へ切削液が落下することを防止することができる。   In this case, even if the cutting fluid attached to the inclined surface of the baffle does not flow to the trailing edge of the inclined surface and falls from the center of the inclined surface in the front-rear direction, the wiper slides with the door opening direction. Since the cutting fluid adhering to the inclined surface is wiped off, it is possible to prevent the cutting fluid from falling onto the worker's head when the worker passes through the opening.

この発明において、バッフルの傾斜面の後縁から垂直下方にのびる仮想垂直面が、開口部と交差しないようになっていることが好ましい。   In the present invention, it is preferable that a virtual vertical surface extending vertically downward from the trailing edge of the inclined surface of the baffle does not intersect the opening.

このようにすると、バッフルの傾斜面の後縁から垂れ落ちた切削液が開口部を通じてカバーの外に落ちることを防ぐことができる。   In this way, it is possible to prevent the cutting fluid dripping from the trailing edge of the inclined surface of the baffle from falling out of the cover through the opening.

本発明の一実施形態に係る工作機械のドアの一部を切り欠いた正面図である。It is the front view which notched one part of the door of the machine tool concerning one embodiment of the present invention. 図1のII−II線に沿った側面図である。It is a side view along the II-II line of FIG. 本発明に係る工作機械の要部を示す斜視図である。It is a perspective view which shows the principal part of the machine tool which concerns on this invention. 図2の部分拡大図である。It is the elements on larger scale of FIG. 図4のV−V線に沿った平面図である。It is the top view along the VV line of FIG.

以下、図面を参照してこの発明の実施形態について説明する。
図1から図3に示すように、工作機械1は、ワーク加工時に切削液が吐出される加工室を覆う金属製カバー2と、前面カバー2aに形成された開口部3を開閉するために左右方向にスライド自在に設けられたドア4と、加工室内に開口部3の上縁に沿って左右方向にのびるダクト5とを備えている。
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
As shown in FIGS. 1 to 3, the machine tool 1 has a metal cover 2 covering a processing chamber into which a cutting fluid is discharged at the time of work processing, and left and right for opening and closing the opening 3 formed in the front cover 2a. A door 4 slidably provided in a direction and a duct 5 extending in the left-right direction along the upper edge of the opening 3 in the processing chamber are provided.

加工室内には、刃物が取り付けられたタレット刃物台(図示略)および主軸台6が装備されている。   In the processing chamber, a turret tool rest (not shown) and a headstock 6 to which a cutter is attached are equipped.

ドア4は、透明な部材で形成された窓41aを上部に備えた垂直壁41と垂直壁41の下端から加工室内側に向かって所定の角度で傾斜した傾斜壁42とにより側面視略L字状に形成され、閉鎖状態から左方向にスライドされることによって開口部3を開放することができ、開放状態から右方向にスライドされることによって開口部3を閉鎖することができるようになっている。ドア4の開閉機構は、公知のものであるため詳細な説明は省略する。   The door 4 is substantially L-shaped in side view by a vertical wall 41 having a window 41a formed of a transparent member at the top and an inclined wall 42 inclined at a predetermined angle from the lower end of the vertical wall 41 toward the processing chamber side. And the opening 3 can be opened by being slid leftward from the closed state, and the opening 3 can be closed by being slid rightward from the open state. There is. Since the opening and closing mechanism of the door 4 is a known one, the detailed description is omitted.

ダクト5は、左右方向に所定の長さで形成された前側壁51および後側壁52と、前側壁51と後側壁52とを接続し前面カバー2aの開口部3の左右幅よりも長くのびた底壁53とを有している。ダクト5の凹部には、ドア4の開閉機構(図示略)が取り付けられている。   The duct 5 connects the front side wall 51 and the rear side wall 52, which are formed to have a predetermined length in the left-right direction, the front side wall 51 and the rear side wall 52, and has a bottom longer than the left and right width of the opening 3 of the front cover 2a. And a wall 53. An opening / closing mechanism (not shown) of the door 4 is attached to the recess of the duct 5.

ダクト5の底壁53の下面左右方向中央に、切削液の滴下位置が開口部3から遠ざかるように後方に向かって斜め下方にのびる傾斜面71を有するバッフル7が設けられている。   A baffle 7 is provided at the center of the bottom surface 53 of the bottom wall 53 of the duct 5 with an inclined surface 71 extending obliquely downward toward the rear so that the dropping position of the cutting fluid is away from the opening 3.

バッフル7は、前面カバー2aに形成された開口部3の左右幅と同じ幅でかつダクト5の前後方向の長さとほぼ同じ長さで形成されている。なお、バッフル7の左右幅は、前面カバー2aに形成された開口部3の左右幅よりも長く形成されてもよい。   The baffle 7 is formed to have the same width as the left and right width of the opening 3 formed in the front cover 2 a and substantially the same length as the length in the front-rear direction of the duct 5. The lateral width of the baffle 7 may be longer than the lateral width of the opening 3 formed in the front cover 2a.

バッフル7の傾斜面71の後縁7aから垂直下方にのびる仮想垂直面8が、前面カバー2aに設けられた開口部3と交差しないようになっている。すなわち、仮想垂直面8は、ドア4の傾斜壁42の後縁よりも後方に位置している。   An imaginary vertical surface 8 extending vertically downward from the rear edge 7a of the inclined surface 71 of the baffle 7 is designed not to intersect the opening 3 provided in the front cover 2a. That is, the virtual vertical surface 8 is located rearward of the trailing edge of the inclined wall 42 of the door 4.

ドア4の内側面の上部に、接続部材9が取り付けられており、接続部材9の上部と重なるように、弾性体製帯板状ワイパ10が設けられている。   A connecting member 9 is attached to an upper portion of the inner side surface of the door 4, and an elastic band plate-like wiper 10 is provided so as to overlap with the upper portion of the connecting member 9.

ワイパ10の一部は、バッフル7の傾斜面71に沿うように傾斜して接続部材9に接続されている。   A part of the wiper 10 is connected to the connecting member 9 so as to be inclined along the inclined surface 71 of the baffle 7.

ワイパ10と接続部材9との接続は、接続部材9の上部から上方向にワイパ10の上部がはみ出るように設置し、図示は省略したがワイパ10下部と接続部材9上部とにボルト挿通孔を設けて両挿通孔が重ね合わせられるとともにワイパ10がバッフル7の傾斜面71に接した状態で、両挿通孔にボルトを挿通させナットを締結することによりなされている。   The connection between the wiper 10 and the connecting member 9 is set up so that the upper portion of the wiper 10 protrudes upward from the upper portion of the connecting member 9, and although not shown, bolt insertion holes are formed between the lower portion of the wiper 10 and the upper portion of the connecting member 9. In a state where both the insertion holes are provided and the wiper 10 is in contact with the inclined surface 71 of the baffle 7, bolts are inserted through the insertion holes to fasten the nuts.

ワイパ10が接続部材9と接続されるとともにワイパ10がバッフル7の傾斜面71に接することにより、ワイパ10はドア4の開方向へのスライドに伴ってバッフル7の傾斜面71に付着した切削液を拭き取ることが可能となる。   When the wiper 10 is connected to the connecting member 9 and the wiper 10 contacts the inclined surface 71 of the baffle 7, the wiper 10 adheres to the inclined surface 71 of the baffle 7 along with the sliding of the door 4 in the opening direction. Can be wiped out.

図3および図4に示すように、ドア4の内側面に、前後方向に延びた右側壁111および左側壁112と、右側壁111と左側壁112とを接続する底壁113と、後方の開放を閉じる後側壁114とにより構成された凹部を有する樋部材11が設けられている。右側壁111および左側壁112の一部は、ワイパ10を伝って落ちてくる切削液を受けやすくするために、上方向に長く延びて形成されている。   As shown in FIGS. 3 and 4, on the inner side surface of the door 4, the right and left side walls 111 and 112 extending in the front and rear direction, the bottom wall 113 connecting the right and left side walls 111 and 112, and the rear opening There is provided a wedge member 11 having a recess constituted by a rear side wall 114 for closing the frame. The right side wall 111 and a part of the left side wall 112 are formed to extend upward in order to easily receive the cutting fluid falling along the wiper 10.

樋部材11は、右側壁111の上部が接続部材9の下部と重なって設けられている。
樋部材11と接続部材9との接続は、右側壁111の上部から上方向に接続部材9がはみ出るように設置し、図示は省略したが右側壁111上部と接続部材9下部とにボルト挿通孔を設けて両挿通孔が重ね合わされ、両挿通孔にボルトを挿通させナットを締結することによりなされている。
The wedge member 11 is provided such that the upper portion of the right side wall 111 overlaps the lower portion of the connection member 9.
The connection between the wedge member 11 and the connection member 9 is set up so that the connection member 9 protrudes upward from the upper part of the right side wall 111, and although not shown, the bolt insertion holes The two insertion holes are superimposed on each other, and bolts are inserted through the two insertion holes to fasten the nut.

樋部材11に凹部が形成されているので、ワイパ10から滴下する切削液が樋部材11の凹部内に受けられる。樋部材11の左右幅は、ワイパ10から滴下する切削液を受けやすくするために接続部材9とワイパ10とを重ね合わせた左右幅よりも大きく形成されている。   Since the recess is formed in the wedge member 11, the cutting fluid dropped from the wiper 10 is received in the recess of the wedge member 11. The lateral width of the wedge member 11 is formed larger than the lateral width in which the connecting member 9 and the wiper 10 are superimposed in order to easily receive the cutting fluid dropped from the wiper 10.

樋部材11は、ワイパ10により払拭された切削液がドア4の内側面に沿って流れ落ちるように、前方に向かって斜め下向きに傾斜して接続部材9に接続されている。   The wedge member 11 is connected to the connecting member 9 so as to be inclined forward and downward so that the cutting fluid wiped by the wiper 10 flows down along the inner surface of the door 4.

凹部に受けられた切削液がドア4の内側面を伝うように、底壁113の前端とドア4の内側面との間に、間隙12が形成されている。   A gap 12 is formed between the front end of the bottom wall 113 and the inner side surface of the door 4 so that the cutting fluid received in the recess is transmitted to the inner side surface of the door 4.

上記のように構成された工作機械1によると、バッフル7に付着した切削液は開口部3から遠ざかる方向(後方向)に流れるので、作業者がドア4を開方向へスライドさせて前面カバー2aに設けられた開口部3から侵入しようとする際、作業者の頭上に切削液が落下することを防止することができる。さらに、バッフル7の傾斜面71に付着した切削液が傾斜面71の後縁7aまで到達せずに傾斜面71の前後方向中央で落下するような場合でも、ワイパ10が傾斜面71に付着した切削液を拭き取るので、作業者が開口部3を通過する際、作業者の頭上へ切削液が落下することを防止することができる。   According to the machine tool 1 configured as described above, since the cutting fluid adhering to the baffle 7 flows in the direction (backward direction) away from the opening 3, the operator slides the door 4 in the opening direction and the front cover 2 a The cutting fluid can be prevented from falling onto the head of the operator when entering from the opening 3 provided in the. Furthermore, even when the cutting fluid attached to the inclined surface 71 of the baffle 7 falls at the center of the inclined surface 71 in the front-rear direction without reaching the trailing edge 7 a of the inclined surface 71, the wiper 10 adheres to the inclined surface 71 Since the cutting fluid is wiped off, it is possible to prevent the cutting fluid from falling onto the head of the worker when the worker passes through the opening 3.

樋部材11に受けられた切削液は、ドア4の内側面に向かって流下した後、間隙12を通過してドア4の内側面をつたって下方に流れ落ちる。ドア4の内側面をつたって流れた切削液は、タンク(図示略)に回収されるようにしてもよい。   The cutting fluid received by the wedge member 11 flows down toward the inner side surface of the door 4 and then flows downward along the inner side surface of the door 4 through the gap 12. The cutting fluid flowing along the inner side surface of the door 4 may be collected in a tank (not shown).

1 工作機械
2 金属製カバー
2a 前面カバー
3 開口部
4 ドア
5 ダクト
53 底壁
7 バッフル
71 傾斜面

Reference Signs List 1 machine tool 2 metal cover 2 a front cover 3 opening 4 door 5 duct 53 bottom wall 7 baffle 71 inclined surface

Claims (2)

ワーク加工時に切削液が吐出される加工室の前面カバーに方形状の開口部が形成され、開口部を開閉するドアが左右方向にスライド自在に設けられ、加工室内に開口部の上縁に沿って左右方向にのびるダクトが設けられている工作機械であって、
ダクトの底壁下面に、付着した切削液の滴下位置が開口部から遠ざかるように後方に向かって斜め下方にのびる傾斜面を有するバッフルが設けられており、
ドアの内側面に、ドアの開方向へのスライドに伴ってバッフルの傾斜面に付着した切削液を拭き取るワイパと、ワイパによって拭き取られた切削液をワイパの下方で受けてドアの内側面に向かって流下させる樋部材とが設けられている、工作機械。
A square shaped opening is formed in the front cover of the processing chamber into which the cutting fluid is discharged during workpiece processing, and a door for opening and closing the opening is provided slidably in the left-right direction, along the upper edge of the opening in the processing chamber A machine tool provided with a duct extending in the left-right direction,
The lower surface of the bottom wall of the duct is provided with a baffle having an inclined surface extending obliquely downward toward the rear so that the dripping position of attached cutting fluid is away from the opening ,
A wiper that wipes off the cutting fluid adhering to the inclined surface of the baffle as the door slides in the opening direction on the inner surface of the door, and a cutting fluid wiped off by the wiper under the wiper and on the inner surface of the door A machine tool provided with a weir member for flowing downward .
バッフルの傾斜面の後縁から垂直下方にのびる仮想垂直面が、開口部と交差しないようになっている、請求項記載の工作機械。 Virtual vertical plane extending vertically downward from the rear edge of the inclined surface of the baffle so as not to intersect the openings, the machine tool of claim 1, wherein.
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CN203765375U (en) * 2013-12-31 2014-08-13 翔茆精密钣金(嘉兴)有限公司 Flow blocking plate for telescopic protection cover

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