Transmission device capable of converting rotational motion into reciprocating variable rectilinear motion

Abstract

The invention relates to a transmission device, in particular to a transmission device capable of converting rotational motion into reciprocating variable rectilinear motion. The transmission device comprises a rack, a sun gear, a planetary gear, a guide rod, a non-circular gear A and a non-circular gear B; the sun gear is fixedly installed on the rack through an installing base, and the planetary gear is arranged in the sun gear and is movably connected with the guide rod. In the working process of the transmission device, under the condition of being meshed with the sun gear, the planetary gear can revolve on own axis as well as revolve around the sun gear under the action of a planet carrier, and the problems that an existing guide rod needs to do reciprocal rectilinear motion, a rotor cannot rotate continuously in one direction, an existing crank cannot rotate at the fixed angle, and complex rectilinear motion with specific requirements is difficult to realize accurately are solved. The transmission device achieves variable continuous operation and accurate and complex rectilinear motion and has broad application prospects.

Description

technical field [0001] The invention relates to a transmission device, in particular to a transmission device which converts rotary motion into reciprocating speed-changing linear motion. Background technique [0002] The meshing transmission of gear and rack is a common device that converts rotary motion into linear motion. Usually, the rotor is made into a gear shape, and the guide rod is made into a linear rack shape. The rotational motion of the rotor is converted into the motion of the guide rod. Linear motion, however, the moving direction of the guide rod changes with the rotation direction of the rotor, the guide rod needs to reciprocate linear motion, and the rotor cannot continuously rotate in one direction. [0003] In addition, there is also a crank-link mechanism that can convert directional rotary motion into linear reciprocating motion, but the crank rotates once and the connecting rod reciprocates once, and the crank cannot rotate at a fixed angle, so it is d...

AI Technical Summary

Problems solved by technology

[0002] The meshing transmission of gears and racks is a common device that converts rotational motion into linear motion. Usually, the rotor is made into a gear shape, and the guide rod is made into a linear rack shape. The rotational motion of the rotor is converted into the motion of the guide rod. Linear motion, however, the moving direction of the guide rod changes with the rotation direction of the rotor, the guide rod needs to reciprocate linear motion, and the rotor cannot continuously rotate in one direction

[0003] In addition, there is also a crank-link mechanism that can convert directional rotary motion into linear reciprocating motion, but the crank rotates once and the connecting rod reciprocates once, and the crank cannot rotate at a fixed angle, so it is difficult for this mechanism to accurately achieve complex and specific linear motion.

Images