Double-stator split tooth type cylindrical linear motor

Abstract

The invention provides a double-stator split tooth type cylindrical linear motor. The double-stator split tooth type cylindrical linear motor comprises an inner stator, a rotor and an outer stator; the rotor is of a magnetism gathering type permanent magnet rotor structure, the permanent magnets are horizontally magnetized in the moving direction of the rotor, and the magnetization directions of every two adjacent permanent magnets are opposite; the outer stator is provided with a phase group concentrated winding, and the inner stator is not provided with a winding; the inner stator and the outer stator are both of a split tooth structure; and a certain air gap distance exists between each stator and the rotor, the two air gap distances are equal, and the two stators have the offset of the width of one main stator tooth in the moving direction of the rotor. According to the scheme, high power density and high output thrust are achieved, and magnetic resistance and thrust fluctuation are effectively restrained.

Description

technical field [0001] The disclosure belongs to the field of design and manufacture of linear motors, in particular to a double-stator split-tooth cylindrical linear motor. Background technique [0002] The statements in this section merely provide background information related to the present disclosure and do not necessarily constitute prior art. [0003] In the current industrial manufacturing field, the demand for intelligence and personalization is becoming increasingly urgent. Facing the ever-changing production requirements and increasingly complex manufacturing technologies, the flexible conveying system provides a solution for manufacturers, which effectively reduces the Production costs and improved production efficiency. Flexible conveying systems generally use linear motors. Compared with rotary motors, linear motors can directly achieve linear motion without the use of conversion mechanisms. They have the advantages of simple structure, small size, low cost, a...

AI Technical Summary

Problems solved by technology

Electromagnetic thrust fluctuations can cause unacceptable vibration and noise, poor position control, and even operational failure

In order to meet the high-precision and highly flexible production needs of flexible conveying systems, the linear motors used need to achieve high efficiency and stable operation with low thrust fluctuations. Therefore, the structure and performance of linear motors currently used in flexible conveying systems need to be optimized

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