Robot arm mechanism

摘要

A robot arm mechanism includes a drive arm, a support arm, a transmission assembly and three tool portions. The support arm is rotatably connected to the drive arm. The three tool portions are rotatably mounted on the support arm. The transmission assembly includes a first bevel gear, a second bevel gear and a transmission belt. The first bevel gear is mounted on the drive arm, the second bevel gear is mounted on the support arm and engages with the first bevel gear. The transmission belt is driven by the second bevel gear and imparts rotary motion to the plurality of tool portions simultaneously.

主权项

1. A robot arm mechanism, comprising:
a drive arm; a support arm rotatably connected to the drive arm; a plurality of tool portions rotatably mounted to the support arm, and comprising a first tool portion mounted on the middle portion of the support arm and a plurality of second tool portions mounted on opposite ends of the support arm, the first tool portion comprising a block portion; and a transmission assembly comprising:
a first bevel gear mounted to the drive arm;a second bevel gear mounted to the support arm, sleeved on the first tool portion, located adjacent to the block portion, and engaging with the first bevel gear; anda transmission belt driven by the second bevel gear and sleeved on the plurality of tool portions for driving the plurality of tool portions to rotate.