Transfer system
A transfer system according to an aspect of the invention includes a stator including a plurality of coils, a carriage capable of moving along the stator, a carriage drive magnet provided on the carriage and configured to drive the carriage by magnetic force generated by the plurality of coils, and a power receiver provided on the carriage and including a power receiving magnet configured to drive an actuator by magnetic force generated by the plurality of coils.
1. A transfer system comprising:
a stator in which a plurality of coils are arranged in a line; and
a carriage;
the carriage comprising:
a holding mechanism configured to hold a workpiece;
a carriage drive magnet arranged facing the line of the plurality of coils;
a power receiver to which a power receiving magnet is arranged facing the line of the plurality of coils; and
a conversion mechanism configured to convert an orientation of the workpiece using power that the power receiver receives.
2. The transfer system according to claim 1 , wherein the stator includes a plurality of position detection units configured to detect positions of the carriage and the power receiver.
3. The transfer system according to claim 1 , wherein the power receiver is movable relative to the holding mechanism.
4. The transfer system according to claim 3 , wherein the carriage further includes a lock unit configured to restrict movement of the power receiver.
5. The transfer system according to claim 4 , wherein the power receiver is formed of a magnetic member, and
the lock unit includes a magnet configured to fix the power receiver.
6. The transfer system according to claim 1 , wherein the conversion mechanism includes a lifting mechanism for the workpiece.
7. The transfer system according to claim 1 , wherein the carriage includes a plurality of the power receivers.
8. A method for controlling a transfer system that includes:
a stator in which a plurality of coils are arranged in a line; and
a carriage having a holding mechanism configured to hold a workpiece;
a carriage drive magnet arranged facing the line of the plurality of coils;
a power receiver to which a power receiving magnet is arranged facing the line of the plurality of coils; and
a conversion mechanism configured to convert an orientation of the workpiece using power the power receiver receives,
the method comprising:
driving the carriage by moving the carriage drive magnet with magnetic force generated by the plurality of coils provided in the stator; and
driving the power receiver by moving the power receiving magnet with respect to the carriage drive magnet with magnetic force generated by the plurality of coils.
9. A carriage comprising:
a holding mechanism configured to hold a workpiece;
a carriage drive magnet arranged facing a line of plurality of coils arranged in a stator;
a power receiver to which a power receiving magnet arranged facing the line of the plurality of coils; and
a conversion mechanism configured to convert an orientation of the workpiece using power the power receiver receives.
10. The carriage according to claim 9 , wherein the power receiver is movable relative to the holding mechanism.
11. The carriage according to claim 9 , wherein the conversion mechanism includes a lifting mechanism for the workpiece.
12. The carriage according to claim 9 , wherein the carriage further includes a lock unit configured to restrict movement of the power receiver.
13. A method for controlling a carriage having:
a holding mechanism configured to hold a workpiece;
a carriage drive magnet arranged facing a line of the plurality of coils arranged in a stator;
a power receiver to which a power receiving magnet is arranged facing the line of the plurality of coils; and
a conversion mechanism configured to convert an orientation of the workpiece using power that the power receiver receives,
the method comprising:
driving the carriage by moving the carriage drive magnet with magnetic force generated by the plurality of coils provided in the stator; and
driving the power receiver by moving the power receiving magnet with respect to the carriage drive magnet with magnetic force generated by the plurality of coils.