Direct driving type mainshaft head and synthetic processor and manufacturing method thereof

Abstract

A direct drive spindle head assembly (Direct drive spindle assembly), including a main fork (main fork), has a base and a pair of fork arms (fork arms) spaced in parallel and can be centered around a first rotation axis rotate. The first driving device (first drive means) has a hollow shell, a first motor stator and a first motor rotor; wherein the first motor rotor is coupled to the base of the main fork, thereby driving the main fork (main fork) with the first The axis of rotation rotates. The second drive means is accommodated between the fork arms of the main fork, and has a pair of second motor stators concentric to the second rotating shaft, the second motor rotor and the rotor transmission ring. The second axis of rotation is orthogonal to the first axis of rotation, and the second motor stator is coupled to the yoke of the main fork. There is also a spindle box, which is an orthogonal cross structure. The first arm of the cross structure is coupled to the second motor rotor through the rotor transmission ring, and the second arm of the cross structure is connected to the spindle head. The feature of the present invention is that the above-mentioned pair of fork arms are assembled to the base of the main fork after the second driving device is installed, and positioned and locked, so as to achieve better adjustment accuracy.

Description

technical field [0001] The invention relates to a direct-drive spindle head assembly and a manufacturing method thereof, in particular to a spindle head of a comprehensive processing machine having a direct-drive (Direct Drive) transmission component. Background technique [0002] In the multi-axis rotating comprehensive processing machine used in the known technology, the rotation of the spindle head is mostly driven by the remote spindle motor through transmission components such as timing belt sets, rack and pinion sets, worm gear sets, bevel gear sets, and spur gear sets. Or a combination of the above components to drive. In order to adapt to various complex surface structure requirements of molds or aerospace parts, the spindle head must maintain a specific angle with the surface structure of the workpiece when the spindle head is running at high speed to process the surface structure of the workpiece, and the surface structure of the workpiece When the curve of the su...

AI Technical Summary

Problems solved by technology

The motor stators of the two axial rotation mechanisms of US5,584,621 are all outside the motor rotor. When the A-axis rotation mechanism is assembled, the components must be placed and installed sequentially from the outside to the inside of the yoke, because the yoke is integrally formed by casting It is not easy to control the manufacturing and machining accuracy, and it cannot be adjusted effectively during assembly, so the problem of oil leakage is prone to occur during operation

The prior art US6,669,416 discloses another direct-drive spindle head, the motor rotors of the two axial rotation mechanisms are all outside the motor stator, but the axial angle between the two rotation mechanisms is 45 degrees, and the machining accuracy Difficult to control and weak structural rigidity

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