Cotton layer fixed-length cutting device

The utility model relates to the field of cotton layer production, and provides a cotton layer fixed-length cutting device which comprises a bottom plate, a first electric telescopic rod is fixedly connected to the rear side of the upper end face of the inner side of the bottom plate, and rectangular blocks are fixedly connected to the upper ends of the left side and the right side of the output end of the first electric telescopic rod. Connecting columns are fixedly connected to the front end face of the rectangular block on the left side and the rear end face of the rectangular block on the right side, and sliding groove rods are slidably connected to the outer portions of the connecting columns. By means of the technical scheme, the problems that in the prior art, cotton layers with different thicknesses and widths are not convenient to straighten and tighten, and the cutting position is not convenient to adjust flexibly are solved. 本实用新型涉及棉层生产领域，提出了一种棉层定长分割装置，包括底板，所述底板内侧上端面后侧固定连接有第一电动伸缩杆，所述第一电动伸缩杆输出端左右两侧上