Device for evaluating lip release performance of cigarette tipping paper

The invention discloses a device for evaluating lip release performance of cigarette tipping paper, which includes a delivery unit, a coloring processing unit, a drying unit, an image acquisition unit, an image processing unit, a colored zone area detecting unit and an arithmetic unit, wherein the coloring processing unit is used for performing permeation coloring processing for cigarette tipping paper; the delivery unit is used for transferring the cigarette tipping paper to the coloring processing unit for processing and then pulling the cigarette tipping paper out of the coloring processing unit; the drying unit is used for drying the processed cigarette tipping paper; the image acquisition unit is used for acquiring images of the cigarette tipping paper processed by the coloring processing unit; the image processing unit is used for processing the images and obtaining the area of the colored zone; and grade of the lip release performance of the cigarette tipping paper can be calculated by the arithmetic unit as per the area of the colored zone. The device provided by the invention can visually evaluate the lip release performance of the cigarette tipping paper, and improves the evaluating efficiency.