Apparatus for inspecting appearance of can for secondary battery

An apparatus for inspecting an appearance of a can for a secondary battery, the apparatus comprising:

• a transport configured to load a hollow can for a secondary battery in a widthwise direction and transport the can in the widthwise direction;
• a first inspection module configured to obtain a lateral image of the can while rotating a plurality of cans, which are loaded side by side in the transport, with respect to a lengthwise axis;
• a second inspection module adjacent to the transport, and configured to obtain an image of a lower surface of the can loaded in the transport;
• a third inspection module adjacent to the transport, and configured to obtain an image of an inside of the can loaded in the transport;
• and
• an image processor configured to determine a detect of the can based on the images received from the first inspection module, the second inspection module and the third inspection module,
• wherein the first inspection module comprises:
• a hand configured to adjust an angle of the plurality of cans loaded in the transport with respect to the lengthwise axis at once;
• a first lighting unit configured to simultaneously emit light to lateral surfaces of the plurality of cans adjusted in angle by the hand;
• and
• a first camera configured to simultaneously obtain captured images of the plurality of cans illuminated with the light, and
• wherein the image processor is configured to:
• divide the captured images of the lateral surfaces of the plurality of cans obtained by the first camera into entity image areas as areas in which the cans are individually captured;
• and
• generate an inspection image by combining the entity image areas according to the captured images for one can.