Arm advancing and retreating device

• Main Authors: ZHANG ZHIGUO, TAN GUILIN
• Format: Patent
• Language: Chinese; English
• Published: 21.06.2024
• Subjects: MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL; PERFORMING OPERATIONS; PUNCHING METAL; TRANSPORTING; WORKING OR PROCESSING OF METAL WIRE

The utility model discloses an arm advancing and retreating device which comprises a base, an eccentric disc, a sliding block and a threaded rod, the eccentric disc is rotatably installed at the left end of the base, a connecting rod base is rotatably installed at the outer circle end of the eccentric disc, a driving mechanism is fixedly installed at the lower end of the base and is in transmission connection with the eccentric disc, and the sliding block is connected with the threaded rod. A guide rail is fixedly installed at the right end of the base, the sliding block is installed on the guide rail in a sliding mode, a tool apron bottom plate is fixedly installed on the sliding block, a connecting base is fixedly connected to the left end of the tool apron bottom plate, and one end of the screw rod is movably hinged to the connecting base. The tool apron bottom plate is movably installed on the guide rail through the sliding block, the screw rod is movably connected with the eccentric disc and the tool apr