Patent ID: 8965572
Filing Date: 2015-02-24
Classification: H01L,Y10S

Abstract:
1. A frame feeding system comprising: a loader lifter including an elevating drive that elevates or drives a frame magazine, which accommodates frames, in Z directions; a loader feeder that fetches a frame from the frame magazine; a main feeder that carries the frame fetched by the loader feeder to a work area; and a control unit that controls the loader lifter, loader feeder, and main feeder, wherein the loader lifter further includes a first moving mechanism that moves the frame magazine a predetermined first distance in Y directions; the control unit controls the first moving mechanism of the loader lifter so as to move the frame magazine the first distance in the Y direction; the control unit then controls the loader feeder so as to clamp a frame with claws of the loader feeder and take out the frame; the control unit then controls the main feeder so as to carry the frame to the work area; the loader lifter further includes a second moving mechanism that moves the frame magazine a predetermined second distance up and down in the Z directions; the control unit includes a frame detection instrument that detects presence or absence of a frame clamped with the claws of the loader feeder; after the control unit controls the loader feeder so as to clamp the frame with the claws of the loader feeder, the frame detection instrument detects presence or absence of the frame; if the frame is not detected, the control unit controls the second moving mechanism of the loader lifter so as to move the frame magazine the second distance up and down in the Z directions; and the control unit then controls the loader feeder so as to clamp the frame with the claws of the loader feeder and take out the frame.