Variable-pitch assembly and feeding and discharging device

• Main Authors: ZHOU ZHENHUA, HE YUESAI, HAN JUNJIE, LIU JICHENG, DU DONGDONG, SHI GUANGQUAN, WANG YONGGUANG, LI BO
• Format: Patent
• Language: Chinese; English
• Published: 16.05.2023
• Subjects: COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOTDIRECTED TO A PARTICULAR RESULT; DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g.ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OFPARTICULAR DETAILS OR COMPONENTS; METAL-WORKING NOT OTHERWISE PROVIDED FOR; PERFORMING OPERATIONS; TRANSPORTING

The invention provides a variable-pitch assembly and a feeding and discharging device, and the variable-pitch assembly comprises a base which is provided with a containing groove and a plurality of limiting grooves, and the multiple limiting grooves are formed in the preset direction at intervals and communicate with the containing groove; the plurality of distance changing pieces are movably arranged in the accommodating groove and the corresponding limiting grooves; the elastic pieces are arranged between every two adjacent variable-pitch pieces respectively, and the two ends of each elastic piece are connected with the two adjacent variable-pitch pieces respectively; and the driving piece is arranged on the base and is connected to the pitch changing piece adjacent to the driving piece. The feeding and discharging device comprises a bearing mechanism, a feeding and discharging mechanism and a material moving mechanism. The material moving mechanism comprises a mechanical arm, a pitch changing assembly and