Sampling device for testing linear density of carbon fiber

The utility model relates to a sampling device for a carbon fiber linear density test, and belongs to the field of carbon fiber testing devices. A carbon filament shaft on the support is higher than the workbench, guide rollers are installed at the two ends of the workbench, two positioning holes are formed between the two guide rollers, a rubber mat is placed in the center of the workbench, a ruler with the center line passing through the positioning holes is installed on the rubber mat, a pressing plate is installed on the rubber mat, and the pressing plate is composed of a pressing plate handle, a blade, a fixing nut and a spring. The blade is fixed on the pressing plate through the fixing nut, the pressing plate handle is pressed downwards to enable the blade on the pressing plate to cut off the carbon fiber through the spring, and the heavy object is installed on the carbon fiber under the guide roller far away from the fiber shaft. The device disclosed by the utility model is simple, is simple and conve