JP5424029B2 - Horizontal machining center - Google Patents

Horizontal machining center Download PDF

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JP5424029B2
JP5424029B2 JP2009195155A JP2009195155A JP5424029B2 JP 5424029 B2 JP5424029 B2 JP 5424029B2 JP 2009195155 A JP2009195155 A JP 2009195155A JP 2009195155 A JP2009195155 A JP 2009195155A JP 5424029 B2 JP5424029 B2 JP 5424029B2
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tool
cleaning member
holding plate
spindle head
spindle
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JP2011045947A (en
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将文 服部
正行 佐崎
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Howa Machinery Ltd
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Howa Machinery Ltd
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Description

本発明は、横型マシニングセンタに関する。   The present invention relates to a horizontal machining center.

従来、主軸を回転可能に支承して加工領域内で左右、上下、前後に移動する主軸頭と、割出用モータによって回動する工具保持板に複数の工具が保持され、その工具保持板と加工領域とを隔てるように設けた固定カバーに前記工具を加工領域に移動させるように開口部が設けられ、その開口部を工具保持板に取付けた可動カバーによって塞ぐようにして成る工具マガジンとを備え、工具交換時には、割出用モータにより工具保持板を回動して交換用の工具を開口部から加工領域に移動させ、その工具を主軸頭の移動によって主軸の装着孔に装着するようにした横型マシニングセンタが知られている。   Conventionally, a plurality of tools are held on a spindle head that rotatably supports a spindle and moves left, right, up, down, and forward and backward in a machining area, and a tool holding plate that is rotated by an indexing motor. A fixed cover provided so as to be separated from the machining area is provided with an opening so that the tool is moved to the machining area, and the opening is closed by a movable cover attached to the tool holding plate. At the time of tool change, the tool holding plate is rotated by the indexing motor, the replacement tool is moved from the opening to the machining area, and the tool is mounted in the spindle mounting hole by moving the spindle head. A horizontal machining center is known.

特開２０００−８４７７４号公報JP 2000-84774 A

上記の横型マシニングセンタでは、加工領域内において、主軸頭を左右、上下、前後に移動させてワークを加工するようになっている。ところが、ワークの加工により生じる切粉の一部が主軸頭の上部に堆積し、その切粉が工具交換時に主軸の装着孔に侵入するおそれがあり、装着孔に切粉が侵入した状態で工具を装着してしまうと工具の取付精度に影響を与え、加工精度の低下につながる問題があった。このことから、作業者によって主軸頭の上部の清掃を定期的に行わなければならない煩わしさがあった。また、定期的に機械を止めて清掃を行うことで作業効率が低下するおそれがあった。
そこで本発明の課題は、上記問題点に鑑み、容易に主軸頭の上部を清掃することが可能な横型マシニングセンタを提供することを目的とする。 In the above-described horizontal machining center, the workpiece is machined by moving the spindle head left and right, up and down, and back and forth within the machining area. However, a part of the chips generated by machining the workpiece may accumulate on the top of the spindle head, and the chips may enter the spindle mounting hole when changing the tool. If it is attached, there is a problem that affects the mounting accuracy of the tool and leads to a decrease in processing accuracy. For this reason, there is an inconvenience that an operator must periodically clean the upper part of the spindle head. Moreover, there was a possibility that work efficiency may fall by stopping and cleaning a machine regularly.
In view of the above problems, an object of the present invention is to provide a horizontal machining center that can easily clean the upper part of the spindle head.

本発明は、主軸を回転可能に支承して加工領域内で左右、上下、前後に移動する主軸頭と、割出用モータによって回動する工具保持板に複数の工具が保持され、その工具保持板と加工領域とを隔てるように設けた固定カバーに前記工具を加工領域に移動させるように開口部が設けられ、その開口部を工具保持板に取付けた可動カバーによって塞ぐようにして成る工具マガジンとを備え、工具交換時には、割出用モータにより工具保持板を回動して交換用の工具を開口部から加工領域に移動させ、その工具を主軸頭の移動によって主軸の装着孔に装着するようにした横型マシニングセンタにおいて、可動カバーの左右両端には清掃部材が備えられ、工具交換時に、工具保持板と共に移動する清掃部材を加工領域に移動させ、その清掃部材によって主軸頭の上部に堆積した切粉を落下させるようにしたことを特徴とする。具体的には、前記清掃部材はシート形状のゴム材であって、工具交換時に、工具保持板と共に移動する清掃部材を加工領域に移動させ、その清掃部材によって主軸頭の上部に堆積した切粉を払い落とすようにしたことを特徴とする。
In the present invention, a plurality of tools are held on a spindle head that rotatably supports a spindle and moves left, right, up, down, and forward and backward in a machining area, and a tool holding plate that is rotated by an indexing motor. A tool magazine in which an opening is provided in a fixed cover provided to separate the plate and the machining area so that the tool is moved to the machining area, and the opening is closed by a movable cover attached to the tool holding plate When changing the tool, the tool holding plate is rotated by the indexing motor to move the replacement tool from the opening to the machining area, and the tool is mounted in the spindle mounting hole by moving the spindle head. in horizontal machining center which is adapted, in the left and right ends of the movable cover provided with a cleaning member, during tool exchange, moving the cleaning member which moves together with the tool holding plate in the processing region, depending on the cleaning member Characterized in that so as to drop the chips accumulated on the upper portion of the spindle head. Specifically, the cleaning member is a sheet-shaped rubber material, and when the tool is changed, the cleaning member that moves together with the tool holding plate is moved to the processing region, and the chips accumulated on the top of the spindle head by the cleaning member It is characterized by the fact that it has been removed.

本発明では、主軸頭の上部に堆積したワークの加工中で生じた切粉の一部を、工具交換時に、工具保持板と共に移動する清掃部材によって主軸頭の上部から落下させることができるから、作業者によって主軸頭の上部の清掃を定期的に行う必要がない。また、工具交換時に清掃部材によって清掃が行われるから、機械を止める必要がなく、作業効率の低下を防ぐことになる。更に、工具交換時に、工具保持板の回動と共に移動する可動カバーに清掃部材を備えた構成としたことで、簡単な構成で主軸頭の上部の切粉を清掃可能な横型マシニングセンタとなる。   In the present invention, a part of the chips generated during the processing of the workpiece deposited on the upper part of the spindle head can be dropped from the upper part of the spindle head by a cleaning member that moves together with the tool holding plate when changing the tool. There is no need for the operator to periodically clean the top of the spindle head. Further, since the cleaning is performed by the cleaning member at the time of changing the tool, it is not necessary to stop the machine, thereby preventing a reduction in work efficiency. Further, when the tool is replaced, the movable cover that moves along with the rotation of the tool holding plate is provided with the cleaning member, so that a horizontal machining center that can clean the chips on the upper part of the spindle head with a simple configuration.

本発明の横型マシニングセンタの側面図である。It is a side view of the horizontal type machining center of the present invention. 図１のＸ−Ｘ線断面図である。It is the XX sectional view taken on the line of FIG. 図１のＹ視図である。FIG. 2 is a Y view of FIG. 1. 工具交換の動作を示す図である。It is a figure which shows the operation | movement of a tool exchange. 工具交換の動作を示す図である。It is a figure which shows the operation | movement of a tool exchange.

図１に示す横型マシニングセンタ１について説明する。ベッド２上には左右方向に移動可能な移動コラム３が設置されている。その移動コラム３には上下方向に移動可能なサドル４が設置されている。サドル４には水平状態で前後方向へ移動可能な主軸頭５が設置されている。主軸頭５には主軸６が回転可能に支承され、主軸６の先端部には工具Ｔを交換可能に装着する為の装着孔７が設けられている。尚、本実施形態の主軸頭５の上部には傾斜面５ａが形成されている。移動コラム３は図示しない左右移動用モータによって正逆回転される送り軸８を介して左右移動するようになっている。サドル４は昇降用モータ９によって正逆回転される送り軸１０を介して上下移動するようになっており、主軸頭５は前後移動用モータ１１によって正逆回転される図示しない送り軸を介して前後移動するようになっている。また、主軸６は主軸頭５の後端部に設けられる主軸用モータ１２によって正逆回転するようになっている。   A horizontal machining center 1 shown in FIG. 1 will be described. A movable column 3 that can move in the left-right direction is installed on the bed 2. The moving column 3 is provided with a saddle 4 that can move in the vertical direction. The saddle 4 is provided with a spindle head 5 that can move in the front-rear direction in a horizontal state. A spindle 6 is rotatably supported on the spindle head 5, and a mounting hole 7 for mounting the tool T in a replaceable manner is provided at the tip of the spindle 6. In addition, the inclined surface 5a is formed in the upper part of the spindle head 5 of this embodiment. The moving column 3 moves left and right through a feed shaft 8 that is rotated forward and backward by a left and right moving motor (not shown). The saddle 4 moves up and down via a feed shaft 10 that is rotated forward and backward by a lifting motor 9, and the spindle head 5 passes through a feed shaft (not shown) that is rotated forward and backward by a forward and backward movement motor 11. It is designed to move back and forth. The main shaft 6 is rotated in the forward and reverse directions by a main shaft motor 12 provided at the rear end portion of the main shaft head 5.

ベッド２上に複数立設された支柱１３に支持枠１４が固定的に取付けられている。その支持枠１４には工具マガジン１５が設置されている。工具マガジン１５は、割出用モータ１６によって回転される回転軸１７に円盤状の工具保持板１８が設けられ、その工具保持板１８の外周部に多数の保持部１９が設けられている。複数の保持部１９には工具Ｔが交換可能に保持されている。また、ベッド２上には、ワークＷの加工によって生じる切粉や切削液等が加工領域Ａから機械１外方に飛散することを防止するために加工領域Ａを含む機械１全体を覆う機体カバー２０が設けられている。
また、機体カバー２０には工具保持板１８と加工領域Ａとを隔てるように固定カバー２１が設けられている。固定カバー２１は、図２、３に示すように、板部材を屈曲して凹部を形成したものであって、固定カバー２１の底面２１ａには、前記工具Ｔを加工領域Ａに移動させるように開口部２２が形成されている。その開口部２２は、工具保持板１８に取付けた可動カバー２３によって塞がれるようになっている。本実施形態の可動カバー２３は、板部材を屈曲して形成され、可動カバー２３の底辺長さＬ１は前記開口部２２の開口長さＬ２より僅かに短くしてある。 A support frame 14 is fixedly attached to a plurality of support pillars 13 standing on the bed 2. A tool magazine 15 is installed on the support frame 14. In the tool magazine 15, a disk-shaped tool holding plate 18 is provided on a rotating shaft 17 rotated by an indexing motor 16, and a number of holding portions 19 are provided on the outer periphery of the tool holding plate 18. The tool T is held in the plurality of holding portions 19 in a replaceable manner. In addition, on the bed 2, a machine body cover that covers the entire machine 1 including the machining area A in order to prevent chips, cutting fluid, and the like generated by machining the workpiece W from scattering from the machining area A to the outside of the machine 1. 20 is provided.
The machine body cover 20 is provided with a fixed cover 21 so as to separate the tool holding plate 18 and the machining area A from each other. As shown in FIGS. 2 and 3, the fixed cover 21 is formed by bending a plate member to form a recess, and the tool T is moved to the machining area A on the bottom surface 21 a of the fixed cover 21. An opening 22 is formed. The opening 22 is closed by a movable cover 23 attached to the tool holding plate 18. The movable cover 23 of this embodiment is formed by bending a plate member, and the bottom length L1 of the movable cover 23 is slightly shorter than the opening length L2 of the opening 22.

割出用モータ１６によって工具保持板１８を回動させて可動カバー２３で塞がれた開口部２２を開口すると、その開口部２２の下方に主軸６の装着孔７に装着させる工具Ｔまたは主軸６の装着孔７に装着されている工具Ｔを保持する保持部１９の何れかを位置させることになる。また、前記可動カバー２３の左右方向には、シート形状のゴム材から成る清掃部材２４が複数のボルト２５によって取付けられている。尚、本実施形態では、清掃部材２４をシート形状のゴム材としたがブラシ材であってもよい。また、ノズルを取付け、ノズルから空気を噴射するようにしてもよい。清掃部材２４は、前記開口部２２の開口長さＬ２と可動カバー２３の底辺長さＬ１との隙間を塞ぐように取付け位置が調整されている。また、清掃部材２４は開口部２２に接したときに容易に撓むことができる。この横型マシニングセンタ１では、主軸６の装着孔７に装着した工具Ｔを高速回転させ、その工具Ｔを左右、上下、前後移動させて、移動コラム３の前方に配置されるワークＷを加工するようになっている。   When the tool holding plate 18 is rotated by the indexing motor 16 to open the opening 22 closed by the movable cover 23, the tool T or the spindle to be mounted in the mounting hole 7 of the spindle 6 below the opening 22. One of the holding portions 19 that hold the tool T mounted in the six mounting holes 7 is positioned. A cleaning member 24 made of a sheet-shaped rubber material is attached to the movable cover 23 in the left-right direction by a plurality of bolts 25. In the present embodiment, the cleaning member 24 is a sheet-shaped rubber material, but may be a brush material. A nozzle may be attached and air may be ejected from the nozzle. The mounting position of the cleaning member 24 is adjusted so as to close the gap between the opening length L2 of the opening 22 and the bottom length L1 of the movable cover 23. Further, the cleaning member 24 can be easily bent when contacting the opening 22. In the horizontal machining center 1, the tool T mounted in the mounting hole 7 of the main shaft 6 is rotated at a high speed, and the tool T is moved left and right, up and down, and back and forth so as to machine the workpiece W disposed in front of the moving column 3. It has become.

次に、工具交換の動作について説明する。ワークＷの加工箇所が変わると、工具交換が行われる。図１、２に示すように、移動コラム３、サドル４を移動させ、加工領域Ａにある主軸頭５を工具マガジン１５の下方の清掃位置Ｂに移動させる。その後、図４（ａ）に示すように、割出用モータ１６によって工具保持板１８を回動させて開口部２２から加工領域Ａに工具Ｔａを受け取る保持部１９ａを位置させると共に、工具保持板１８と共に移動する可動カバー２３に備えた清掃部材２４の一方を加工領域Ａの主軸頭５の上部に接触させる。すると、ワークＷの加工中に飛び散った切粉の一部が堆積している主軸頭５の上部から清掃部材２４によって払い落とされるようになっている。そして、図４（ｂ）に示すように、主軸頭５を工具交換位置Ｃに移動させて主軸頭５の主軸６の装着孔７に装着されている工具Ｔａを工具保持板１８の保持部１９ａに保持させる。その後、主軸頭５を待機位置Ｄに移動させて工具Ｔａを主軸６の装着孔７から抜き取る。
続けて、割出用モータ１６によって開口部２２から加工領域Ａに主軸６の装着孔７に装着させる工具Ｔｂを位置させる。そして、図５（ａ）に示すように、主軸頭５を待機位置Ｄから工具交換位置Ｃに移動させて主軸６の装着孔７に工具Ｔｂを装着させ、その後、図５（ｂ）に示すように、主軸頭５を降下させて工具Ｔｂを保持部１９ｂから離脱させる。また、保持部１９ｂから工具Ｔｂが離脱すると、割出用モータ１６によって工具保持板１８を回動させ、可動カバー２３により開口部２２の開口を塞ぐようになっている（図２の状態）。その後、ワークＷの加工箇所が変わる毎に上記の動作が繰り返されることになる。 Next, the tool change operation will be described. When the machining location of the workpiece W changes, the tool is changed. As shown in FIGS. 1 and 2, the moving column 3 and the saddle 4 are moved, and the spindle head 5 in the machining area A is moved to the cleaning position B below the tool magazine 15. Thereafter, as shown in FIG. 4A, the tool holding plate 18 is rotated by the indexing motor 16 to position the holding portion 19a for receiving the tool Ta from the opening 22 into the machining area A, and the tool holding plate. One of the cleaning members 24 provided on the movable cover 23 that moves together with 18 is brought into contact with the upper portion of the spindle head 5 in the machining area A. As a result, the cleaning member 24 removes a part of the chips scattered during the processing of the workpiece W from the upper part of the spindle head 5. Then, as shown in FIG. 4B, the spindle head 5 is moved to the tool changing position C, and the tool Ta mounted in the mounting hole 7 of the spindle 6 of the spindle head 5 is moved to the holding portion 19a of the tool holding plate 18. To hold. Thereafter, the spindle head 5 is moved to the standby position D, and the tool Ta is extracted from the mounting hole 7 of the spindle 6.
Subsequently, the tool Tb to be mounted in the mounting hole 7 of the spindle 6 is positioned from the opening 22 to the machining area A by the indexing motor 16. Then, as shown in FIG. 5 (a), the spindle head 5 is moved from the standby position D to the tool change position C to install the tool Tb in the mounting hole 7 of the spindle 6, and then shown in FIG. 5 (b). As described above, the spindle head 5 is lowered to disengage the tool Tb from the holding portion 19b. When the tool Tb is detached from the holding portion 19b, the tool holding plate 18 is rotated by the indexing motor 16, and the opening of the opening portion 22 is blocked by the movable cover 23 (state shown in FIG. 2). Thereafter, the above operation is repeated each time the machining location of the workpiece W changes.

従って、主軸頭５の上部に堆積したワークＷの加工中で生じた切粉の一部を、工具交換時に、工具保持板１８と共に移動する清掃部材２４によって主軸頭５の上部から落下させることが可能となり、従来のように、作業者によって主軸頭５の上部の清掃を定期的に行う必要がなくなる。また、工具交換時に清掃部材２４によって清掃を行うことで、機械１を止める必要がなく、作業効率の低下を防ぐことができる。更に、工具交換時に、工具保持板１８の回動と共に移動する可動カバー２３に清掃部材２４を備えた構成としたことで、簡単な構成で主軸頭５の上部の切粉を清掃可能な横型マシニングセンタ１とすることができる。また、清掃部材２４をシート形状のゴム材の安価なもので構成できる。   Therefore, a part of the chips generated during the processing of the workpiece W accumulated on the upper portion of the spindle head 5 can be dropped from the upper portion of the spindle head 5 by the cleaning member 24 that moves together with the tool holding plate 18 when changing the tool. It becomes possible, and it becomes unnecessary to regularly clean the upper part of the spindle head 5 by an operator as in the prior art. Moreover, it is not necessary to stop the machine 1 by cleaning with the cleaning member 24 at the time of tool exchange, and it can prevent the fall of work efficiency. Further, when the tool is replaced, the movable cover 23 that moves along with the rotation of the tool holding plate 18 is provided with the cleaning member 24, so that the horizontal machining center that can clean the chips on the spindle head 5 with a simple configuration. 1 can be used. Further, the cleaning member 24 can be formed of an inexpensive sheet-shaped rubber material.

１ 横型マシニングセンタ
５ 主軸頭
６ 主軸
１５ 工具マガジン
１６ 割出用モータ
１８ 工具保持板
２１ 固定カバー
２２ 開口部
２３ 可動カバー
２４ 清掃部材
Ｔ 工具 DESCRIPTION OF SYMBOLS 1 Horizontal machining center 5 Spindle head 6 Spindle 15 Tool magazine 16 Indexing motor 18 Tool holding plate 21 Fixed cover 22 Opening part 23 Movable cover 24 Cleaning member T Tool

Claims (2)

主軸を回転可能に支承して加工領域内で左右、上下、前後に移動する主軸頭と、割出用モータによって回動する工具保持板に複数の工具が保持され、その工具保持板と加工領域とを隔てるように設けた固定カバーに前記工具を加工領域に移動させるように開口部が設けられ、その開口部を工具保持板に取付けた可動カバーによって塞ぐようにして成る工具マガジンとを備え、工具交換時には、割出用モータにより工具保持板を回動して交換用の工具を開口部から加工領域に移動させ、その工具を主軸頭の移動によって主軸の装着孔に装着するようにした横型マシニングセンタにおいて、可動カバーの左右両端には清掃部材が備えられ、工具交換時に、工具保持板と共に移動する清掃部材を加工領域に移動させ、その清掃部材によって主軸頭の上部に堆積した切粉を落下させるようにしたことを特徴とする横型マシニングセンタ。 A plurality of tools are held by a spindle head that is rotatably supported by the spindle and moves left, right, up, and down in the machining area, and a tool holding plate that is rotated by an indexing motor. A fixed cover provided so as to be separated from each other, an opening is provided so as to move the tool to the machining area, and a tool magazine configured to close the opening with a movable cover attached to the tool holding plate, When changing the tool, the indexing motor rotates the tool holding plate to move the replacement tool from the opening to the machining area, and the tool is mounted in the spindle mounting hole by moving the spindle head. in the machining center, the left and right ends of the movable cover provided with a cleaning member, during tool change, the cleaning member which moves together with the tool holding plate is moved to the machining area, the spindle head by the cleaning member Horizontal machining center, characterized in that so as to drop the chips accumulated on the parts. 前記清掃部材はシート形状のゴム材であって、工具交換時に、工具保持板と共に移動する清掃部材を加工領域に移動させ、その清掃部材によって主軸頭の上部に堆積した切粉を払い落とすようにしたことを特徴とする請求項１記載の横型マシニングセンタ。 The cleaning member is a sheet-shaped rubber material, and when the tool is changed, the cleaning member that moves together with the tool holding plate is moved to the machining area so that the chips accumulated on the upper portion of the spindle head are removed by the cleaning member. The horizontal machining center according to claim 1, wherein the horizontal machining center is provided.
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JP5936466B2 (en) * 2012-07-04 2016-06-22 Dmg森精機株式会社 Automatic tool changer for machine tools
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CN110405509B (en) * 2019-06-05 2024-06-07 三星智能科技盐城有限公司 Tool magazine of numerical control machine tool
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