Abstract: Disclosed is an ultrasonic welding mold for a mask machine capable of quickly changing customized patterns, including an ultrasonic welding wheel and a plurality of customized pattern components, wherein the customized pattern components are arranged on an outer surface of the ultrasonic welding wheel, and the customized pattern components are provided with printed patterns. Independent customized pattern components are arranged outside the ultrasonic welding wheel, so different customized pattern components can be replaced without removing other components, and the replacement is simple.

Abstract: Disclosed are a method and system for automatic nailing of head-mounted mask. The method is applied to a head-mounted mask processing system including an upright template, a feeding cylinder, a limit device and a nailing cylinder, and includes: fixing the head-mounted mask to the upright template with movable bottom plate, and moving the upright template to a nailing position; controlling cutting lengths of a neck strap and head strap by using the limit device, and transporting the neck strap and head strap to the nailing position through the feeding cylinder for cutting; and fixing the cut neck strap and head strap to left and right sides of the head-mounted mask on the upright template by using the nailing cylinder based on three-axis motion at the nailing position. The method and system can improve the efficiency of producing the head-mounted mask, save labor costs, and greatly improve the quality of products.

Abstract: A box-type dust-free workshop includes a box body, an exit-entrance arranged on the box body, and a purification system, a ventilation system and an electrical system arranged in the box body. The box body may be formed by arranging a plurality of box-type units, and the box-type units are communicated with one another internally; or the interior of the box body may also be divided into a plurality of areas through partition plates. The box-type dust-free workshop can be put into use by arranging related facilities in the box body, does not need to construct a building, and has mobility.