Several ways to use safety chucks

Several ways to use safety chucks

　　The safety chuck intersecting line cutting machine has a simple structure. When calculating the system, one rotation of the chuck is used as a parameter. It has accurate degree measurement. Relatively speaking, the roundness requirements of the tube are also lower. Sometimes the tube is slightly curved, and it can be cut by adjusting the position of the bracket. During operation, it is very important to pay attention to the adjustment of the bracket position at all times to maintain the level of the pipe. If this position is not adjusted well, large cutting errors will occur. In addition, there is always a blind area close to the chuck area that cannot be cut, which affects the yield rate of the pipe.

　　Safety chucks are generally used for small-diameter pipes with a diameter not exceeding 600mm, and this type of structure is often used. The outer chuck can be provided with corresponding transmission slots and release slots. The outer chuck can be provided with a boss, and the inner chuck can be provided with a groove that matches the boss. The positioning mechanism can be a positioning spring set on the outer chuck.

　　The hydraulic chuck is set at the drill pipe connecting end of the spindle. The reduction transmission mechanism is a first-stage helical gear reduction transmission mechanism. It has a compact structure and can effectively reduce the size and weight of the power head. In further technical planning, the motor uses an inclined-axis plunger variable motor. By adjusting the displacement of the variable motor, stepless speed regulation can be achieved; the power chuck uses a normally closed type. The hydraulic chuck is also designed with a double-stage sealing structure, which can effectively install the sliding seat in the dust-proof groove. Use the claw installation screws to install the T-shaped block and claws on the sliding seat. The piston is installed in the chuck body and connected with the wedge sleeve. A gas distribution ring is installed at the rear of the chuck body. The gas distribution ring and the chuck body are sealed by a sealing ring. The first pipe joint and the second pipe joint are installed on the upper part of the gas distribution ring.

　　The safety chuck wedge sleeve is provided with a chute. The principle of disc clamping workpieces is to use the chuck wrench to rotate any of the three bevel teeth on the circumference. This drives the plane thread to rotate and drives the three claws to move together, which plays a role in self-centering the workpiece. From a mechanical structure point of view, the three bevel teeth of the chuck have the same function. However, after careful inspection, the accuracy of the three bevel teeth in clamping the workpiece is not the same, and the difference is also large.