Tool magazine apparatus
Provided is a tool magazine apparatus that has excellent workability and is capable of being downsized. A tool replacement device includes a fixed frame installed in an opening portion provided at a predetermined position of a tool magazine, a swivel frame disposed inside the fixed frame so as to be rotatable about a swivel axis extending in a vertical direction, and a tool replacement rack fixed to the swivel frame. The swivel frame is rotated to a deliverable position at which the tool replacement rack is parallel to a tool rack inside the tool magazine to enable a tool to be delivered between the tool replacement rack and a tool transfer device, and to a replaceable position at which the tool replacement rack is located outside the tool magazine to enable replacement of old and new tools.
1 . A tool magazine apparatus for a machine tool, the tool magazine apparatus comprising:
a tool magazine in which a plurality of tool racks are arranged, each of the plurality of tool racks being configured to store tools in a respective row, wherein a longitudinal axis of a tool stored in the row of one of the plurality of tool racks extends orthogonal to an axial direction of the row in which the tool is stored; and
a tool replacement device configured to replace an old tool from at least one of the plurality of tool racks inside the tool magazine with a new tool provided from outside the tool magazine, wherein the tool replacement device includes:
a fixed frame having a horizontal member, wherein the fixed frame is installed in an opening portion that is provided at a predetermined position of the tool magazine,
a swivel frame disposed inside the fixed frame so as to be rotatable with respect to the fixed frame about a swivel axis extending in a vertical direction, and
a tool replacement rack that is fixed to the swivel frame,
wherein the swivel frame is rotatable to a deliverable position at which the tool replacement rack is parallel to the plurality of tool racks inside the tool magazine to enable old tools to be transferred from the tool replacement rack, and is rotatable to a replaceable position at which the tool replacement rack is located outside the tool magazine to enable replacement of the old tools from the plurality of tool racks with new tools provided from outside the tool magazine,
wherein a swivel angle of the swivel frame from the deliverable position to the replaceable position is 180 degrees,
wherein the swivel axis is located at an approximately center portion of the horizontal member between a first end of the horizontal member and an opposing second end of the horizontal member,
wherein, on the first end of the horizontal member a first lock switch is provided, and on the opposing second end of the horizontal member a second lock switch is provided, the first lock switch when activated locking the swivel frame in the deliverable position and the second lock switch when activated locking the swivel frame in the replaceable position.
2 . The tool magazine apparatus according to claim 1 , wherein
a swivel cover configured to cover an inside of the swivel frame from an outside of the tool magazine is provided so as to be integrally rotatable with the swivel frame.
3 . The tool magazine apparatus according to claim 1 , wherein
a controller enables a tool transferrer to stop outside a swivel area of the swivel frame, and
the tool transferrer is configured to transfer a tool inside the tool magazine to a required position.
4 . The tool magazine apparatus according to claim 1 , wherein
the horizontal member is an upper horizontal member, and
the swivel axis extends between the upper horizontal member and a lower horizontal member of the swivel frame.