Bidirectional variable-pitch tightening and clamping mechanism

• Main Authors: DING SHITENG, HE YONGFU, LI TIANDONG, XU ZHENG
• Format: Patent
• Language: Chinese; English
• Published: 20.12.2022
• Subjects: COMBINED OPERATIONS; HAND TOOLS; MACHINE TOOLS; MANIPULATORS; METAL-WORKING NOT OTHERWISE PROVIDED FOR; OTHER WORKING OF METAL; PERFORMING OPERATIONS; PORTABLE POWER-DRIVEN TOOLS; TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FORFASTENING, CONNECTING, DISENGAGING OR HOLDING; TRANSPORTING; UNIVERSAL MACHINE TOOLS

A two-way variable-pitch tightening and clamping mechanism comprises a fixed rack which comprises two supporting rods arranged in parallel and a connecting rod; the four guide rail pairs are arranged on the two sides of the upper end faces of the two supporting rods in a pairwise mode. The two sliding plates are respectively arranged on the sliding blocks of the guide rail pairs on the two sides of the upper end surfaces of the two supporting rods of the fixed rack; the sliding plate driving device comprises a driving motor and a double-head speed reducer and is arranged on the top surface of the connecting rod; one ends of the two lead screws are respectively connected with two output ends of the double-end speed reducer; the two sliding plates are connected with the two lead screw nuts respectively. Each lifting device comprises a base plate which is vertically arranged at the outer side end of the sliding plate; the sliding block is arranged on the outer side surface of the base plate; the lifting bracket