The utility model provides sealing machine end height dimension detection equipment applied to a lithium battery. The battery conveying mechanism comprises a battery conveying belt, a driving part anda base, the driving part and the base are fixedly installed on the workbench, one end of the battery conveying belt is arranged on the base, and the other end of the battery conveying belt is arranged on the driving part and conveys a battery to the base under the driving of the driving part; wherein the at least one camera positioning mechanism is detachably installed on one side of the base, the camera positioning mechanism is composed of four components which are movably connected with one another, and the industrial camera is positioned on the camera positioning mechanism. According to the utility model, the industrial camera is positioned on the positioning mechanism which can be adjusted in a five-axis manner, so that the industrial camera can be accurately aligned with the battery,and therefore, compared with the prior art, the positioning accuracy of the industrial camera is improved.