WO2015059806A1 - Machine tool - Google Patents
Machine tool Download PDFInfo
- Publication number
- WO2015059806A1 WO2015059806A1 PCT/JP2013/078877 JP2013078877W WO2015059806A1 WO 2015059806 A1 WO2015059806 A1 WO 2015059806A1 JP 2013078877 W JP2013078877 W JP 2013078877W WO 2015059806 A1 WO2015059806 A1 WO 2015059806A1
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- WO
- WIPO (PCT)
- Prior art keywords
- cover
- magazine
- communication port
- slide plate
- processing chamber
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/08—Protective coverings for parts of machine tools; Splash guards
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/155—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T483/00—Tool changing
- Y10T483/11—Tool changing with safety means
- Y10T483/115—Guard
Definitions
- the present invention relates to a machine tool.
- a processing chamber cover in which a processing chamber is formed, a tool magazine for holding a plurality of tools, a magazine cover in which a communication port communicating with the processing chamber is formed, and opening and closing the communication port For example, and a slide plate and a driving device of the shutter device are accommodated in a magazine cover (see, for example, Patent Documents 1 and 2).
- JP 2006-136984 A Japanese Patent Laid-Open No. 08-197361
- the chips and coolant adhering to the tool and the slide plate enter the magazine cover, so the chips and coolant adhere to the drive device in the magazine cover, and the operation of the shutter device is defective. There is a problem that arises. Even when the space for housing the slide plate and the drive device is partitioned in the magazine cover, chips and coolant enter the space through a gap such as the entrance and exit of the slide plate, and the chips and coolant adhere to the drive device. Moreover, when the shutter device is accommodated in the magazine cover as in the conventional machine tool described above, there is a problem that the maintenance of the shutter device becomes complicated.
- the present invention provides a machine tool that solves the above-mentioned problems and can open and close the communication port by the shutter device and can improve the maintainability of the shutter device without being affected by chips or coolant. Let it be an issue.
- the present invention provides a processing chamber cover in which a processing chamber is formed, a tool magazine for holding a plurality of tools, a communication port in which the tool magazine is accommodated and communicated with the processing chamber.
- a machine tool comprising a formed magazine cover and a shutter device for opening and closing the communication port.
- the shutter device includes a slide plate disposed outside the magazine cover, and a drive device that moves the slide plate along an outer surface of the magazine cover, the drive device including the processing chamber cover and It is arranged outside the magazine cover.
- the driving device of the shutter device since the driving device of the shutter device is disposed outside the processing chamber cover and the magazine cover, it is possible to prevent chips and coolant from adhering to the driving device. Therefore, the communication port can be reliably opened and closed by the shutter device without being affected by chips or coolant. Further, since the slide plate and the driving device are disposed outside the processing chamber cover and the magazine cover, the maintainability of the shutter device can be improved.
- the shutter device has two guide rails extending on the outer surface of the magazine cover on both sides of the communication port, and the slide plate is attached to the both guide rails.
- the slide plate is movable along both the guide rails, the slide plate is supported by the guide rails on both sides of the communication port, so that the slide plate can be stabilized.
- the drive device of the shutter device since the drive device of the shutter device is disposed outside the processing chamber cover and the magazine cover, the shutter device reliably opens and closes the communication port without being affected by chips or coolant.
- the maintenance of the shutter device can be improved.
- FIG. 1A is a rear view with a communication port closed
- FIG. 2B is a rear view with a communication port opened. It is the side view which showed the shutter apparatus of this embodiment.
- the machine tool 1 of the present embodiment includes a processing chamber cover 10 in which a processing chamber 3 is formed, a main shaft 20 protruding into the processing chamber cover 10, and a plurality of tools T (FIG. 5). (See FIG. 3), a magazine cover 40 in which the tool magazine 30 is housed and a communication port 47 communicating with the processing chamber 3 is formed, and a shutter device for opening and closing the communication port 47 50.
- the machine tool 1 of the present embodiment is a horizontal machining center in which the main shaft 20 is horizontally arranged.
- the processing chamber cover 10 is a box-shaped cover that covers a processing portion including a front end portion of the main shaft 20 and a table.
- the processing chamber 3 is formed in the processing chamber cover 10.
- the processing chamber cover 10 is supported by the frame 2.
- the frame 2 includes upper and lower frame members 2a and 2b and left and right frame members 2c and 2d, and a rectangular opening 2e opened in the front-rear direction is formed.
- the processing chamber cover 10 is a plate-like front cover 11 formed with a front surface, left and right side surfaces, and an upper surface, and a plate-like shape that is disposed in the opening 2 e of the frame 2 and closes the rear end portion of the front cover 11. And a rear cover 15.
- the main shaft 20 is inserted through the center of the rear cover 15.
- the rear cover 15 is a telescopic cover that expands and contracts following the movement of the main shaft 20 (frame body).
- the main shaft 20 is a member having a circular cross section that horizontally protrudes forward from a drive device (not shown) provided on the rear side of the frame 2, and a spindle (not shown) inserted into the main shaft 20. Is configured to rotate around an axis by a spindle motor (not shown). A tool is detachable from the front end surface of the main shaft 20.
- the main shaft 20 is inserted through the central portion of the rear cover 15, and the front end portion projects into the processing chamber 3.
- the tool magazine 30 is disposed above the main shaft 20 and supported by a frame member 2a on the upper side of the frame 2 (see FIG. 4A).
- the tool magazine 30 includes a disk-shaped magazine main body 31 that can rotate around a horizontal axis, and a plurality of holders 32 for holding a tool T (see FIG. 5) on the outer periphery of the magazine main body 31. Is formed.
- the holder 32 opens in the front-rear direction and opens in the radial direction of the magazine main body 31, and the tool T can enter and leave the holder 32 from the outer side in the radial direction of the magazine main body 31.
- the tool T held by the tool magazine 30 is attached to the front end surface of the spindle 20 by moving the spindle 20 with respect to the tool magazine 30.
- the magazine cover 40 is supported on the upper portion of the frame 2, and a front surface 41, a rear surface 42, a left side surface 43, a right side surface 44, an upper surface (not shown), and a lower surface 45 are formed. It is a box-shaped cover. Inside the magazine cover 40, as shown in FIG. 3A, a magazine storage chamber 4 in which the tool magazine 30 is stored is formed.
- the lower portion 42 b of the rear surface 42 of the magazine cover 40 is disposed in front of the frame 2, and the upper portion 42 a of the rear surface 42 is disposed above and behind the upper frame member 2 a of the frame 2. . Moreover, the intermediate part 42c formed in the step part between the upper part 42a and the lower part 42b of the rear surface 42 is mounted on the upper surface of the upper frame member 2a. The lower surface 45 of the magazine cover 40 is placed on the upper rear portion of the front cover 11 of the processing chamber cover 10.
- left and right inclined surfaces 46a and 46b are formed on the bottom surface of the magazine housing chamber 4 so as to be inclined downward from the left and right sides toward the center.
- a communication port 47 is opened at the center in the left-right direction of the lower surface 45 and the rear surface 42 of the magazine cover 40 (see FIG. 4B).
- a communication port (not shown) formed on the upper surface of the processing chamber cover 10 is disposed immediately below the communication port 47.
- the magazine storage chamber 4 and the processing chamber 3 communicate with each other through the communication port 47 of the magazine cover 40 and the communication port of the processing chamber cover 10.
- the main shaft 20 passes through the communication port of the processing chamber cover 10 and the communication port 47 of the magazine cover 40 and can move into the magazine storage chamber 4.
- a groove portion 41a is formed in a region on the right side from the center at the corner portion between the lower edge portion of the front surface 41 of the magazine cover 40 and the front edge portion of the lower surface 45 (FIG. 3A). reference).
- a mounting surface 41 b that is arranged behind the front surface 41 and parallel to the front surface 41 is formed in the groove portion 41 a.
- the shutter device 50 opens and closes the communication port 47 of the magazine cover 40, and a slide plate 51 disposed outside the magazine cover 40 and the slide plate 51 on the outer surface of the magazine cover 40. And a front and rear guide rails 52, 53 (see FIG. 1) extending on the outer surface of the magazine cover 40 on both the front and rear sides of the communication port 47.
- the slide plate 51 is a plate material composed of a front lid plate 51a, a lower lid plate 51b, and a rear lid plate 51c.
- the lower lid plate 51 b is a part for closing the lower opening of the communication port 47, and is arranged in parallel with the lower surface 45 of the magazine cover 40.
- the front lid plate 51a rises perpendicularly to the front edge portion of the lower lid plate 51b, is disposed in the groove 41a, and is disposed in parallel with the mounting surface 41b.
- the rear cover plate 51 c is a part for closing the rear opening of the communication port 47, and is raised vertically to the rear edge of the lower cover plate 51 b, and the rear surface 42 of the magazine cover 40. It is arranged in parallel with the lower part 42b of.
- the front guide rail 52 is a rail member extending in the left-right direction on the mounting surface 41b of the groove 41a as shown in FIG. 3A (see FIG. 1).
- Two front sliders 52a attached to the front lid plate 51a of the slide plate 51 are attached to the front guide rail 52 so as to be movable in the left-right direction.
- the rear guide rail 53 is a rail member extending in the left-right direction on the lower surface of the upper frame member 2a of the frame 2 as shown in FIG. 4A (see FIG. 2).
- a rear slider 53a attached to the upper portion of the rear cover plate 51c of the slide plate 51 is attached to the rear guide rail 53 so as to be movable in the left-right direction.
- the driving device 55 is a cylinder having a cylindrical body 55a attached to the lower surface of the frame member 2a on the upper side of the frame 2 and a rod 55b protruding to the right side from the cylindrical body 55a.
- the drive source of the drive device 55 can use various fluids, such as oil and air, and is not limited.
- the rod 55b can be expanded and contracted in the left-right direction with respect to the cylindrical body 55a, and a rear slider 53a is attached to the tip portion thereof.
- the communication port 47 is closed by the slide plate 51 when the rod 55b is most contracted with respect to the cylindrical body 55a.
- FIG. 4B when the rod 55b is extended to the right side with respect to the cylindrical body 55a, the rear slider 53a, the slide plate 51, and the front slider 52a (see FIG. 3B) are moved back and forth. It moves to the right along the guide rails 52 and 53. In the state where the rod 55b is extended most with respect to the cylindrical body 55a, the entire slide plate 51 moves to the right side of the communication port 47, and the communication port 47 is opened.
- the movement of the slide plate 51 by the driving device 55 is controlled by a control device (not shown).
- a plurality of sensors (not shown) are attached to the frame 2 at predetermined intervals along the guide rail 53 on the rear side. When the slide plate 51 is moved, each sensor detects the slide plate 51.
- the control device grasps the amount of movement of the slide plate 51.
- the control device closes the communication port 47 with the slide plate 51 when a workpiece is being processed in the processing chamber 3.
- the control device moves the slide plate 51 to the right side so that the communication port 47 is opened.
- the communication port 47 of the magazine cover 40 and the communication port (not shown) of the processing chamber cover 10 communicate with each other, and the spindle 20 can move into the magazine storage chamber 4.
- the driving device 55 of the shutter device 50 is arranged outside the processing chamber cover 10 and the magazine cover 40 as shown in FIG. It can be prevented from adhering. Therefore, the communication port 47 can be reliably opened and closed by the shutter device 50 without being affected by chips or coolant.
- the communication port 47 is formed in the lower part of the magazine cover 40 and the drive device 55 is arranged above the communication port 47, even if the communication port 47 is open, chips and coolant are not supplied to the drive device 55. It is difficult to adhere.
- the slide plate 51 and the driving device 55 are arranged outside the processing chamber cover 10 and the magazine cover 40, the maintainability of the shutter device 50 can be improved.
- the slide plate 51 since the slide plate 51 is supported by the front and rear guide rails 52 and 53 on both the front and rear sides of the communication port 47, the slide plate 51 can be stabilized.
- a cylinder is used as the driving device 55 of the shutter device 50.
- the configuration is not limited, and the slide plate 51 is moved using various actuators such as a motor. Can be made.
- the front and rear guide rails 52 and 53 are provided on both front and rear sides of the communication port 47.
- the guide rail may be provided only on one of the front and rear sides. Furthermore, the guide rail need not be provided.
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- Mechanical Engineering (AREA)
- Auxiliary Devices For Machine Tools (AREA)
- Automatic Tool Replacement In Machine Tools (AREA)
Abstract
Description
なお、スライド板や駆動装置を収容する空間をマガジンカバー内に仕切った場合でも、スライド板の出入口等の隙間から空間内に切粉やクーラントが入り込み、駆動装置に切粉やクーラントが付着する。
また、前記した従来の工作機械のように、マガジンカバー内にシャッター装置が収容されている場合には、シャッター装置のメンテナンスが煩雑になるという問題がある。 In the conventional machine tool described above, the chips and coolant adhering to the tool and the slide plate enter the magazine cover, so the chips and coolant adhere to the drive device in the magazine cover, and the operation of the shutter device is defective. There is a problem that arises.
Even when the space for housing the slide plate and the drive device is partitioned in the magazine cover, chips and coolant enter the space through a gap such as the entrance and exit of the slide plate, and the chips and coolant adhere to the drive device.
Moreover, when the shutter device is accommodated in the magazine cover as in the conventional machine tool described above, there is a problem that the maintenance of the shutter device becomes complicated.
また、スライド板および駆動装置が加工室カバーおよびマガジンカバーの外側に配置されているため、シャッター装置のメンテナンス性を向上させることができる。 In this configuration, since the driving device of the shutter device is disposed outside the processing chamber cover and the magazine cover, it is possible to prevent chips and coolant from adhering to the driving device. Therefore, the communication port can be reliably opened and closed by the shutter device without being affected by chips or coolant.
Further, since the slide plate and the driving device are disposed outside the processing chamber cover and the magazine cover, the maintainability of the shutter device can be improved.
本実施形態の工作機械1は、図1に示すように、内部に加工室3が形成された加工室カバー10と、加工室カバー10内に突出した主軸20と、複数の工具T(図5参照)を保持する工具マガジン30(図3参照)と、工具マガジン30が収容され、加工室3に連通する連通口47が形成されたマガジンカバー40と、連通口47を開閉するためのシャッター装置50と、を備えている。本実施形態の工作機械1は、主軸20が水平に配置された横形のマシニングセンタである。 Embodiments of the present invention will be described in detail with reference to the drawings as appropriate.
As shown in FIG. 1, the
加工室カバー10はフレーム2に支持されている。フレーム2は、上下のフレーム部材2a,2bと、左右のフレーム部材2c,2dと、を備え、前後方向に開口した矩形の開口部2eが形成されている。 The
The
主軸20は、後部カバー15の中央部に挿通されており、前端部が加工室3内に突出している。 The
The
工具マガジン30は、水平軸周りに回転自在な円板状のマガジン本体31を備えており、マガジン本体31の外周部には、工具T(図5参照)を保持するための複数の保持具32が形成されている。
保持具32は、前後方向に開口するとともに、マガジン本体31の径方向に開口しており、保持具32に対してマガジン本体31の径方向外側から工具Tが出入可能となっている。
なお、本実施形態では、工具マガジン30に対して主軸20が移動することで、工具マガジン30に保持された工具Tを、主軸20の前端面に取り付ける構成となっている。 As shown in FIG. 3A, the
The
The
In the present embodiment, the tool T held by the
マガジンカバー40の内部には、図3(a)に示すように、工具マガジン30が収容されるマガジン収容室4が形成されている。 As shown in FIGS. 1 and 2, the
Inside the
マガジンカバー40の下面45は、加工室カバー10の前部カバー11の上面後部に載置されている。 As shown in FIG. 5, the
The
連通口47の直下には、加工室カバー10の上面に形成された連通口(図示せず)が配置されている。マガジンカバー40の連通口47および加工室カバー10の連通口によって、マガジン収容室4と加工室3とが連通している。そして、主軸20は加工室カバー10の連通口およびマガジンカバー40の連通口47を通過して、マガジン収容室4内に移動可能となっている。 As shown in FIG. 2, a
A communication port (not shown) formed on the upper surface of the
下蓋板51bは、図1に示すように、連通口47の下側開口部を塞ぐための部位であり、マガジンカバー40の下面45に平行して配置されている。
前蓋板51aは、下蓋板51bの前縁部に垂直に立ち上げられており、溝部41a内に配置され、取付面41bに平行して配置されている。
後蓋板51cは、図2に示すように、連通口47の後側開口部を塞ぐための部位であり、下蓋板51bの後縁部に垂直に立ち上げられ、マガジンカバー40の後面42の下部42bに平行して配置されている。 As shown in FIG. 5, the
As shown in FIG. 1, the
The
As shown in FIG. 2, the
ロッド55bは、筒体55aに対して左右方向に伸縮自在であり、その先端部に後側のスライダ53aが取り付けられている。 The driving
The
図4(b)に示すように、ロッド55bを筒体55aに対して右側に伸長させると、後側のスライダ53a、スライド板51および前側のスライダ52a(図3(b)参照)が、前後のガイドレール52,53に沿って右側に移動する。
そして、ロッド55bを筒体55aに対して最も伸長させた状態では、スライド板51全体が連通口47の右側に移動して、連通口47が開いた状態となる。
また、ロッド55bを筒体55aに対して伸長させた状態から、図4(a)に示すように、ロッド55bを筒体55aに対して収縮させると、後側のスライダ53a、スライド板51および前側のスライダ52a(図3(b)参照)が、前後のガイドレール52,53に沿って左側に移動し、スライド板51によって連通口47が閉じられた状態となる。 In such a
As shown in FIG. 4B, when the
In the state where the
Further, when the
本実施形態では、図2に示すように、シャッター装置50の駆動装置55としてシリンダを用いているが、その構成は限定されるものではなく、モータなどの各種アクチュエータを用いてスライド板51を移動させることができる。 The embodiment of the present invention has been described above, but the present invention is not limited to the above-described embodiment, and can be appropriately changed without departing from the spirit of the present invention.
In this embodiment, as shown in FIG. 2, a cylinder is used as the driving
2 フレーム
3 加工室
4 マガジン収容室
10 加工室カバー
11 前部カバー
15 後部カバー
20 主軸
30 工具マガジン
31 マガジン本体
32 保持具
40 マガジンカバー
41 前面
41a 溝部
41b 取付面
42 後面
45 下面
47 連通口
50 シャッター装置
51 スライド板
51a 前蓋板
51b 下蓋板
51c 後蓋板
52 前側のガイドレール
52a 前側のスライダ
53 後側のガイドレール
53a 後側のスライダ
55 駆動装置
55a 筒体
55b ロッド
T 工具 DESCRIPTION OF
Claims (3)
- 内部に加工室が形成された加工室カバーと、
複数の工具を保持する工具マガジンと、
前記工具マガジンが収容され、前記加工室に連通する連通口が形成されたマガジンカバーと、
前記連通口を開閉するためのシャッター装置と、を備えている工作機械であって、
前記シャッター装置は、
前記マガジンカバーの外側に配置されたスライド板と、
前記スライド板を前記マガジンカバーの外面に沿って移動させる駆動装置と、を有し、
前記駆動装置は、前記加工室カバーおよび前記マガジンカバーの外側に配置されていることを特徴とする工作機械。 A processing chamber cover having a processing chamber formed therein;
A tool magazine holding multiple tools,
A magazine cover in which the tool magazine is accommodated and a communication port communicating with the processing chamber is formed;
A machine tool comprising a shutter device for opening and closing the communication port,
The shutter device is
A slide plate disposed outside the magazine cover;
A drive device for moving the slide plate along the outer surface of the magazine cover,
The machine tool according to claim 1, wherein the driving device is disposed outside the processing chamber cover and the magazine cover. - 前記シャッター装置は、
前記連通口の両側で前記マガジンカバーの外面に延設された二つのガイドレールを有しており、
前記スライド板は、前記両ガイドレールに取り付けられ、前記両ガイドレールに沿って移動自在であることを特徴とする請求の範囲第1項に記載の工作機械。 The shutter device is
Having two guide rails extending on the outer surface of the magazine cover on both sides of the communication port;
2. The machine tool according to claim 1, wherein the slide plate is attached to the both guide rails and is movable along the both guide rails. - 前記マガジンカバーの下部に前記連通口が形成され、
前記駆動装置は、前記連通口よりも上側に配置されていることを特徴とする請求の範囲第1項または請求の範囲第2項に記載の工作機械。 The communication port is formed at the bottom of the magazine cover,
The machine tool according to claim 1 or claim 2, wherein the driving device is disposed above the communication port.
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DE112013007528.8T DE112013007528T5 (en) | 2013-10-24 | 2013-10-24 | machine tool |
PCT/JP2013/078877 WO2015059806A1 (en) | 2013-10-24 | 2013-10-24 | Machine tool |
CN201380079501.7A CN105531078A (en) | 2013-10-24 | 2013-10-24 | Machine tool |
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US20150266153A1 (en) * | 2012-11-30 | 2015-09-24 | Komatsu Ntc Ltd. | Machine tool |
CN115284046A (en) * | 2022-08-30 | 2022-11-04 | 江西工程学院 | Servo bamboo hat tool magazine conversion device |
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JP5792648B2 (en) * | 2012-01-27 | 2015-10-14 | スター精密株式会社 | Machine Tools |
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- 2013-10-24 CN CN201380079501.7A patent/CN105531078A/en active Pending
- 2013-10-24 DE DE112013007528.8T patent/DE112013007528T5/en not_active Withdrawn
- 2013-10-24 WO PCT/JP2013/078877 patent/WO2015059806A1/en active Application Filing
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20150266153A1 (en) * | 2012-11-30 | 2015-09-24 | Komatsu Ntc Ltd. | Machine tool |
US9561570B2 (en) * | 2012-11-30 | 2017-02-07 | Komatsu Ntc Ltd. | Machine tool |
CN115284046A (en) * | 2022-08-30 | 2022-11-04 | 江西工程学院 | Servo bamboo hat tool magazine conversion device |
CN115284046B (en) * | 2022-08-30 | 2024-04-05 | 江西工程学院 | Servo bamboo hat tool magazine conversion device |
Also Published As
Publication number | Publication date |
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DE112013007528T5 (en) | 2016-07-28 |
CN105531078A (en) | 2016-04-27 |
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