The utility model discloses a steel belt chip collecting device which comprises a cart. A rectangular material collecting frame is arranged on a cart plate, a left supporting plate and a right supporting plate are further arranged at the positions, on the left side and the right side of the rectangular material collecting frame, of the cart plate, scrapers for scraping chips off the edge portions of a steel belt are arranged at the upper end of the left supporting plate and the upper end of the right supporting plate, and an inversed U-shaped chip cutting shield is further arranged on the left supporting plate and the right supporting plate, a front side plate of the rectangular material collecting frame is of a door-shaped structure capable of being turned over and opened, and a handle frame is arranged at the rear end of the cart. When the steel belt chip collecting device is used, the rectangular material collecting frame is placed below a steel plate, in the steel belt slitting process, the two sides of the steel belt pass by the scrapers, the chips attached to the steel belt are scraped off by the scrapers and fall into the material collecting frame to be collected, and the inverted U-shaped chip shield can prevent the chips from falling into the areas outside the material collecting frame. By means of the steel belt chip collecting device, the chips can be automatically collected in the material collecting frame, prevented from being scattered around, and collected and cleaned away more conveniently.