Groove buffering and shock absorbing device under low -cost cast joint machine

The utility model provides a groove buffering and shock absorbing device under low -cost cast joint machine, including the cylinder of cast joint machine upper portion setting, with the cast joint frame that the cylinderpiston head is connected, the thimble platform of cast joint frame below, a set of thimble that sets up on the thimble platform sets up the nylon stick on the platform, and the nylon stick is middle to set up the blind hole, sets up compression spring in the blind hole, and compression spring natural state highly is higher than nylon stick height down. Setting up the nylon stick on the thimble platform, indicating two steel loops of thimble platform both sides welding, set up the nylon stick in the steel loop, the steel loop height is less than nylon stick height. The utility model discloses the pressure of cylinder among the buffering pressing down process that can be better prevents the too big damage of pressure utmost point crowd or battery jar, can reduce the vibration, prolong long cylin