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1. 发明授权

US09561570B2 Machine tool 有权
标题翻译：机床
公开(公告)号：US09561570B2
公开(公告)日：2017-02-07
申请号：US14436647
申请日：2013-11-29
申请人： KOMATSU NTC, LTD.
发明人： Yuji Kanehira , Nobuhito Oki , Yasuo Hasegawa , Hisaki Itabashi
IPC分类号： B23Q3/157 , B23Q11/08 , B23Q17/09 , B23Q3/155
CPC分类号： B23Q17/0909 , B23Q3/155 , B23Q3/15706 , B23Q3/1572 , B23Q3/15766 , B23Q11/08 , B23Q11/0891 , G05B2219/37244 , Y10T483/115 , Y10T483/136 , Y10T483/138 , Y10T483/1795
摘要： A machine tool includes a spindle device; a shutter which is disposed between a tool magazine disposed over a machining chamber and the machining chamber, and is capable of opening and closing; a tool exchange device; and a tool breakage detecting device to detect whether a tool indexed to a tool detecting position of the tool magazine has breakage or not, and performs a return step of returning a first tool to the tool magazine with use of the tool exchange device; an attachment step of attaching a second tool to the spindle device; and a breakage detecting step of rotatively moving the first tool returned to the tool magazine to the tool detecting position and detecting breakage of the first tool with use of the tool breakage detecting device, after the shutter is closed. This constitution can prevent erroneous detection and improve the operational efficiency of the machine tool.
摘要翻译：机床包括主轴装置; 闸板，其设置在设置在加工室上的刀库与加工室之间，并且能够打开和关闭; 工具交换装置; 以及工具破损检测装置，用于检测分配到所述刀架的刀具检测位置的刀具是否有破损，并且执行使用所述刀具更换装置将第一刀具返回到所述刀库的返回步骤; 将第二工具附接到所述主轴装置的安装步骤; 以及破坏检测步骤，在快门关闭之后，将返回到刀架的第一工具旋转移动到刀具检测位置并且利用刀具断裂检测装置检测第一刀具的断裂。这种结构可以防止错误检测并提高机床的操作效率。

2. 发明授权

US11806823B2 Workpiece support device 有权
公开(公告)号：US11806823B2
公开(公告)日：2023-11-07
申请号：US17439980
申请日：2020-03-16
申请人： KOMATSU NTC LTD.
发明人： Yoshiyuki Takitani , Yuji Kanehira , Nobuhito Oki
IPC分类号： B23Q1/25 , B23Q3/06
CPC分类号： B23Q1/25 , B23Q3/06
摘要： A workpiece support device includes: a jig, a table, a rotating shaft, a support member, a flow path connector, and a supply-side connecting portion. The jig has a main flow path to flow a fluid for machining and a sub-flow path, and fixes the workpiece. The table has a table flow path to communicate with the main flow path and is attached with the jig. The rotating shaft has a rotating shaft flow path to communicate with the table flow path, and is fixed to the table. The support member rotatably supports the rotating shaft. The flow path connector connects the rotating shaft flow path with a fluid-supply path to communicate with a fluid-supply side so as to relatively rotate with each other about an axis of the rotating shaft. The supply-side connecting portion moves relative to the jig to communicate with and block off the sub-flow path.

3. 发明申请

US20150266153A1 MACHINE TOOL 有权
标题翻译：机床
公开(公告)号：US20150266153A1
公开(公告)日：2015-09-24
申请号：US14436647
申请日：2013-11-29
申请人： KOMATSU NTC LTD.
发明人： Yuji Kanehira , Nobuhito Oki , Yasuo Hasegawa , Hisaki Itabashi
IPC分类号： B23Q17/09 , B23Q3/157
CPC分类号： B23Q17/0909 , B23Q3/155 , B23Q3/15706 , B23Q3/1572 , B23Q3/15766 , B23Q11/08 , B23Q11/0891 , G05B2219/37244 , Y10T483/115 , Y10T483/136 , Y10T483/138 , Y10T483/1795
摘要： A machine tool includes a spindle device; a shutter which is disposed between a tool magazine disposed over a machining chamber and the machining chamber, and is capable of opening and closing; a tool exchange device; and a tool breakage detecting device to detect whether a tool indexed to a tool detecting position of the tool magazine has breakage or not, and performs a return step of returning a first tool to the tool magazine with use of the tool exchange device; an attachment step of attaching a second tool to the spindle device; and a breakage detecting step of rotatively moving the first tool returned to the tool magazine to the tool detecting position and detecting breakage of the first tool with use of the tool breakage detecting device, after the shutter is closed. This constitution can prevent erroneous detection and improve the operational efficiency of the machine tool.
摘要翻译：机床包括主轴装置; 闸板，其设置在设置在加工室上的刀库与加工室之间，并且能够打开和关闭; 工具交换装置; 以及刀具断裂检测装置，用于检测对所述刀架的刀具检测位置分度的刀具是否有破损，并且执行使用所述刀具更换装置将第一刀具返回到所述刀库的返回步骤; 将第二工具附接到所述主轴装置的安装步骤; 以及破坏检测步骤，在快门关闭之后，将返回到刀架的第一工具旋转移动到刀具检测位置并且利用刀具断裂检测装置检测第一刀具的断裂。这种结构可以防止错误检测并提高机床的操作效率。

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