Elastic measuring head of spring sorting machine

The invention provides an elastic measuring head of a spring sorting machine, and belongs to the field of spring performance measurement. The elastic measuring head comprises a rack, a spring supportarranged on the rack and used for making a center axis of a to-be-measured spring parallel to a horizontal plane, a spring limiting structure arranged on the front side of the spring support, a frontmeasuring sheet arranged on the rear side of the spring support, a rear measuring sheet arranged on the rear side of the front measuring sheet and slidably cooperated with the rack along a front-reardirection, an elastic guiding structure disposed on the rear measuring sheet and slidably cooperated with the front measuring sheet in the front-rear direction, a displacement sensing structure disposed on the rear measuring sheet and used for sensing the distance between the front measuring sheet and the rear measuring sheet, a lateral drive structure arranged on the rack and used to drive the rear measuring sheet to move