Thickness detection device for lithium ion battery

The invention relates to a thickness detection device, in particular to a thickness detection device for a lithium ion battery. The invention aims to provide a lithium ion battery thickness detection device which is convenient to take. The thickness detection device for the lithium ion battery comprises a base, a supporting plate, a protective shell, a moving assembly, a measuring assembly and an ejection assembly, the top of the base is connected with the supporting plate used for placing the battery, the outer side of the supporting plate is connected with the protective shell, the top of the supporting plate is provided with the moving assembly used for moving, and the measuring assembly is connected with the ejection assembly. A measuring assembly used for measuring the thickness is arranged on the moving assembly, and an ejection assembly used for taking the battery is arranged in the middle of the supporting plate. According to the invention, the thickness of the battery can be detected by observing the