Split encoder integrated with grating and motor shaft

Abstract

The invention discloses a split encoder integrated with a grating and a motor shaft. The split encoder comprises a circuit board, a main body, a movable grating base and a motor, wherein the motor comprises a first mounting surface, a second mounting surface and the motor shaft, the first mounting surface and the second mounting surface are staggered to form a first circumferential surface, the motor shaft comprises a shaft end surface, a threaded hole in the axis and a limiting surface, the main body comprises a first fitting surface, a second fitting surface and a central through hole, the first fitting surface and the second fitting surface are staggered to form a second circumferential surface, a movable grating is mounted on the movable grating base, and the movable grating base is matched with the motor after passing through the central through hole of the main body. By adopting the bearingless mounting structure, the movable grating base is directly mounted on the motor shaft, and the motor shaft directly drives the movable grating base to rotate, thereby saving two bearings of the conventional encoder. The main body of the encoder is directly mounted onto the mounting planeof the motor, thereby saving a blade spring used for connecting the encoder main body and the motor for the traditional encoder.

Description

technical field [0001] The invention relates to the field of encoders, in particular to a split encoder in which gratings and motor shafts are integrated. Background technique [0002] According to the working principle of the photoelectric encoder, the encoder can be divided into two types: incremental type and absolute type. The incremental encoder converts the displacement into a periodic electrical signal, and then converts the electrical signal into a counting pulse, and uses the number of pulses to represent the magnitude of the displacement. Each position of the absolute encoder corresponds to a certain digital code, so its indication is only related to the start and end positions of the measurement, but has nothing to do with the middle process of the measurement. Now that the application of automation is becoming more and more extensive, the demand for encoders in the market is also increasing. [0003] Due to the increasing demand for encoders in the domestic mar...

AI Technical Summary

Problems solved by technology

There are many shortcomings and deficiencies in the traditional integrated encoder, which are manifested in: single structure, large volume, too many parts are not easy to process and assemble, the assembly process is complicated and it is difficult to control the production process, resulting in high production costs

And it is not conducive to the customer's installation and later maintenance, which increases the labor cost in the use process

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