Patent ID: 11890666
Assignee: YEMINY INC.
Field: Machine tools (Mechanical engineering)
Classification: CPC B | IPC B

Claim 0:
1. An automatic trimming apparatus for wire coils including a plurality of wire loops, wherein the apparatus comprises:
a base frame,
a rotational member rotatably connected to the base frame, and having a space for receiving a wire loop of the plurality of wire loops of the coil,
a first actuator arranged to rotate the rotational member in two opposite directions, and
a control unit arranged to control the first actuator, wherein
the rotational member is provided with
a support unit arranged in said space for supporting the wire loop when the rotational member is rotated,
a sensor assembly arranged for sensing the presence of a wire in a defined area of the space,
a distance sensor for sensing a distance travelled along the wire when the rotational member is rotated, and
a cutting device, and

the control unit is adapted to
receive outputs from the sensor assembly and the distance sensor,
detect an end of the wire based on the output from the sensor assembly,
control the first actuator so that the rotational member is rotated in a first direction until the end of the wire is detected,
control the first actuator so that the rotational member is rotated in a second direction opposite the first direction when the end of the wire has been detected,
determine the distance travelled along the wire in the second direction based on the output from the distance sensor, and
generate a cutting command based on the distance travelled along the wire from the end of the wire and a predetermined cutting distance, and the cutting device is arranged to cut the wire upon receiving the cutting command from the control unit.