Grinding head device achieving cutting machining with cutting point on axis of rotating center

Abstract

The invention discloses a grinding head device achieving cutting machining with the cutting point on the axis of a rotating center. The grinding head device comprises a rotating device, a transverse adjusting device, a lifting device and a grinding head device body. By adopting the grinding head device, a workpiece is kept stationary in the machining process, a barrel-shaped grinding wheel rotatesalong with the rotating device, and the cutting point of the barrel-shaped grinding wheel is always kept on the axis of the rotating center of the rotating device. When the cutting edge of the workpiece to be machined is straight, the rotating device keeps a certain angle unchanged, and the cutting edge of the workpiece to be machined is circular; when a certain point on the arc is cut, the rotating device rotates by a certain angle to enable the rotating direction of the barrel-shaped grinding wheel to point at the circle center position of the arc where the cut point is located, and therefore the workpiece with the arc can be cut on the tangent point of the arc. The grinding grains machined in this way include swirl marks, the movement track of the barrel-shaped grinding wheel can be atwo-dimensional curve, and the loss amount of the barrel-shaped grinding wheel is directly proportional to the arc length of the arc. Therefore, the loss of the barrel-shaped grinding wheel is compensated easily, and programming is easy.

Description

technical field [0001] The invention relates to the field of hardware knife and scissors machinery manufacturing, in particular to a grinding head device with a cutting point on the axis of a rotation center. Background technique [0002] At present, the grinding head device of the traditional knife-scissor machine is horizontal, and the grinding wheel only moves in the axial direction of the Z axis. It will start to deviate from the center of the grinding wheel at the tangent point of the circular arc at the end of the knife. The greater the arc, the greater the deviation from the center of the grinding wheel. At this time, it is more difficult to debug the machine, so the technical level of the technician is higher. The grinding head device of the existing CNC edger is horizontal, the grinding wheel only moves in the axial direction of the Z axis, and a Y axis with the workpiece is added to lift and lower, so that the cutting point to the workpiece is always kept in the ce...

AI Technical Summary

Problems solved by technology

The grinding head device of the existing CNC sharpening machine is horizontal, the grinding wheel only moves in the axial direction of the Z axis, and a Y axis with the workpiece for lifting is added, so that the cutting point of the workpiece is always kept at the center of the grinding wheel point, but the workpiece must be placed at a certain angle during the machining process. At this time, looking down from the Y-axis direction, the tangent point of the arc at the tail of the knife gradually deviates from the contact surface of the grinding wheel, which is set by the Z-axis. Certain parameters are used to compensate, that is to say, its grinding track is an irregular three-dimensional curve. There are many types of workpieces, shapes and sizes, and radians. It is difficult to grasp the compensation amount of the grinding wheel and difficult to program.

Images