Disclosed is an apparatus and method for collecting work information using a needle bar. magnet; A needle bar configured to detach and attach the needle to the first end, and configured to fix the magnet to the second end; It is attached to a sewing machine (sewing machine), and uses a magnet fixedly attached to the second end of the needle bar to configure a magnetic sensor that senses the vertical movement of the needle bar. According to the apparatus and method for collecting work information using the above-mentioned needle bar, it is configured to accurately collect the work information of the sewing machine according to the up and down movement of the needle bar, so that it is possible to identify and manage the work information for each sewing machine in a large fashion garment manufacturing factory. There is. In particular, by attaching a magnet to the needle bar and configured to detect the movement of the magnet using a magnetic sensor, it is possible to accurately detect the vertical movement and the stop position of the needle bar for collecting work information in a wide variety of sewing machines in a simple way. There is.
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