A conveyance device for accumulating and aligning a plurality of articles and conveying a batch of the articles includes a conveyance unit, first, second and third support members, and a drive unit. The conveyance unit is configured to convey the batch of the articles in a conveying direction. The first and second support members are configured to move along the conveyance unit so as to support an article disposed at a front end or a back end among the articles constituting the batch of the articles. The third support member is arranged on the conveyance unit and configured to move with respect to the conveyance unit so as to sandwich the batch of the articles between the third support member and at least one of the first support member and the second support member. The drive unit is configured to independently drive the first, second and third support members.