Patent ID: 9044835
Filing Date: 2015-06-02
Classification: B23P,F17C,Y10T

Abstract:
1. A gas container valve fastening machine comprising: a base; a column erected on the base, the column having a side surface; a clamp unit configured to securely support a gas container placed on the base in an upright posture parallel to the column; a guide rod arranged parallel to the column, the guide rod having a circumference; a movable frame comprising: a rotary drive unit secured to the first side of the movable frame and disposed above the clamp unit, the rotary drive unit having an output shaft; a rotary transmission unit having a lower end and an upper end, the upper end interlocked and connected to the output shaft of the rotary drive unit; a wrench attached to the lower end of the rotary transmission unit, the wrench configured to engage a valve and thread the valve into a screw hole of a sleeve of a gas container on the base; and a load cell attached to the second side of the movable frame, the load cell configured to detect fastening torque of the wrench and operate in the direction of being pressed against the side surface of the column, the load cell comprising: wherein the second end of the movable frame includes two arms disposed on opposite sides of the column, wherein the load cell is fixed at the end of one of the two arms, and wherein a screw loosening reaction force receiving roller is installed at the end of the other arm of the two arms.