High-stability transmission device of manual three-coordinate measuring machine

Abstract

The invention discloses a high-stability transmission device of a manual three-coordinate measuring machine. The high-stability transmission device comprises a screw rod transmission component and a clamping mechanism, wherein the screw rod transmission component comprises a transmission screw rod, and a net-shaped hand wheel is fixed at the front end of the transmission screw rod; the clamping component comprises a connecting block which is fixed on a connecting plate; left and right elastic plates are arranged on two sides of the connecting block respectively; a rigid plate is connected to one end of the right elastic plate; a thin type cylinder is fixed on the left elastic plate and between the rigid plate and the left elastic plate; a pair of clamping blocks are arranged between the rigid plate and the left elastic plate; the upper end part of the rigid plate is connected with the upper end part of the left elastic plate through a tension spring; the clamping blocks are clamped on the transmission screw rod; threads in match with the transmission screw rod are arranged on the inner sides of the clamping blocks. The high-stability transmission device can be arranged on X, Y and Z measurement axes of the three-coordinate measuring machine and is simple in structure, easy to produce, convenient to operate and good in use effect; the transmission efficiency is improved, and a transmission part has a stable transmission ratio; the fine tuning function of the hand machine is realized, the transmission precision is ensured, and the measurement is convenient.

Description

technical field [0001] The invention relates to a transmission device, in particular to a highly stable transmission device for a manual three-coordinate measuring machine Background technique [0002] The three-coordinate measuring machine is a new type of high-efficiency precision measuring instrument developed in the 1960s. Its appearance, on the one hand, is due to the high-efficiency processing of automatic machine tools and CNC machine tools, and the processing of more and more complex-shaped parts requires fast and reliable measuring equipment; on the other hand, due to electronic technology, computer technology, digital control The development of technology and precision machining technology provides a technical basis for the production of three-coordinate measuring machines. It can not only complete various complex measurements under computer control, but also realize the control of processing by exchanging information with CNC machine tools, and can also realize r...

AI Technical Summary

Problems solved by technology

[0003] Friction transmission: There is a certain amount of elastic sliding between the transmission belt and the pulley, and the transmission accuracy and transmission efficiency are low. Since the transmission belt needs to be tensioned during operation, the transmission belt has a large pressure on the pulley shaft, which affects the accuracy and stability of the machine. And the service life of the transmission belt is short and needs to be replaced frequently

[0004] Gear transmission: the transmission efficiency is low and the transmission distance is relatively short, which affects the measurement efficiency of the machine, and the installation is more complicated

[0005] It can be found that for the manual measuring machine transmission, the main problems are the efficiency and accuracy of the transmission and the convenience of installation and operation

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