Device and method for stacking articles

A device for stacking articles, comprising:

• a feeding conveyor equipped with a plurality of contact elements, each designed to make contact with a single article in order to convey it along a conveying path;
• a first transport surface, configured to support the articles along a first portion of the conveying path;
• a predetermined number of conveying planes for supporting the articles along a second portion of the conveying path which follows the first portion of the conveying path, comprising at least:
• a first conveying plane positioned at a first height;
• a second conveying plane positioned at a second height, which is different from and higher than the first height;
• a movable surface for directing articles, which is movable at least between a number of positions equal to the predetermined number of conveying planes, to selectively and alternatively connect the first transport surface with one of the conveying planes,
• a first portion of the contact elements being movable between an operating position of making contact with and transporting the articles, and a non-operating position of disengagement from the articles adopted at the second portion of the conveying path, and a second portion of the contact elements being configured to make contact with and push the articles along the above-mentioned first and second portions of the conveying path.