Optical frame fine adjustment mechanism

Abstract

The invention discloses an optical mirror frame fine adjustment mechanism for adjusting the angle of the optical mirror frame. It is fixed as a whole; the vacuum motor transmits torque, drives the connecting sleeve and the guide block to move forward and backward, and then drives the drive screw to rotate; the drive screw is in the shape of a semicircular step; the guide block adopts an open structure, and it is in contact with the drive screw surface. The invention can effectively adjust the angle change of the optical mirror frame so that it can reach a reasonable focus position, thereby providing precise light beams.

Description

technical field [0001] The invention relates to an optical frame fine adjustment mechanism, in particular to a mechanism for adjusting the angle of the optical frame to make it reach a reasonable focus position, thereby providing precise light beams. Background technique [0002] The fine adjustment mechanism of the optical frame is an important structural part of the optical assembly of the laser end. The function of the optical component of the laser end is to gather the light beams collected by n groups of optical frames together to form a super energy, which can replace limited energy for laser power generation, and can also be used in the military field. This requires n groups of optical frames to provide precise beams, otherwise, beam dispersion cannot achieve the application functions required by the design. [0003] Such as figure 1 As shown, the common optical frame fine adjustment mechanism is composed of vacuum motor ①, support ②, connecting sleeve ③, transmissi...

AI Technical Summary

Problems solved by technology

However, in actual operation, there will be a certain error in the coaxiality of the connecting sleeve ③ and the transmission pin ⑧, so that the fork-shaped head of the transmission screw ④ cannot be smoothly assembled into the hole of the connecting sleeve ③, which requires repairing For the fork-shaped groove surface of the file rod, since the groove width is 2mm, when repairing with a small assorted file, the rigidity of the file is poor, and the groove is semi-closed, so it is difficult to measure, and the groove surface after repairing will appear axial. Wavy and radial arc

In addition, the transmission pin shaft and the transmission screw rod are in linear contact, and the shape and position error of the contact surface will greatly affect the accuracy of the screw rod movement

It also appears that the motor outputs the same amount of pulse signal, but the distance that the screw moves is long and short.

And the corrected fork-shaped head of the screw rod is a single work, which reduces the rigidity of the transmission parts, and also reduces the accuracy of the return stroke and running track of the screw rod

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