A three-phase asynchronous motor rotor core shaft pressing device

Abstract

The invention relates to the technical field of motor press-fitting equipment, in particular to a three-phase asynchronous motor rotor mandrel press-fitting device, including a bottom plate, a process hole is opened in the middle of the bottom plate, and a plurality of through slots are evenly opened on the bottom plate , a plurality of through-slots are distributed in a ring shape, and the length direction of the through-slots is along the radial direction of the process hole on the bottom plate; multiple splints and multiple sets of splints are kept vertical; this device can effectively improve the positioning of the iron core High precision, convenient to keep the position of the motor shaft and the iron core relative, avoiding the collision damage caused by the motor shaft to the iron core when the distance deviation between the axis of the motor shaft and the axis of the iron core is large, it is convenient to protect the parts and improve the equipment At the same time, it is convenient to carry out synchronous fixing of the iron core, avoiding the sliding deviation of the iron core during pressing, which will cause the motor shaft to be unable to be normally pressed into the iron core, improve the stability of equipment operation, and improve the practicality. sex.

Description

technical field [0001] The invention relates to the technical field of motor press-fitting equipment, in particular to a three-phase asynchronous motor rotor core shaft press-fitting device. Background technique [0002] As we all know, when the rotor in the three-phase asynchronous motor is processed, the motor shaft needs to be pressed into the iron core to form a complete rotor. When the existing press-fitting equipment is used, the iron core is first placed in the mold on the workbench. , and then push the motor shaft through the hydraulic press to insert into the iron core. Since the motor shaft and the tight fit are usually in an interference fit state, the motor shaft and the tight fit are connected to complete the pressing work of the rotor. However, for the convenience of the iron core in the mold Normal movement, the positioning accuracy of the mold to the iron core is low. When the motor shaft is press-fitted with the iron core, the deviation distance between the ...

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Problems solved by technology

[0002] As we all know, when the rotor in the three-phase asynchronous motor is processed, the motor shaft needs to be pressed into the iron core to form a complete rotor. When the existing press-fitting equipment is used, the iron core is first placed in the mold on the workbench. , and then push the motor shaft through the hydraulic press to insert into the iron core. Since the motor shaft and the tight fit are usually in an interference fit state, the motor shaft and the tight fit are connected to complete the pressing work of the rotor. However, for the convenience of the iron core in the mold Normal movement, the positioning accuracy of the mold to the iron core is low. When the motor shaft is press-fitted with the iron core, the deviation distance between the axis of the motor shaft and the axis of the iron core is relatively large, which may easily cause the motor shaft to be out of alignment with the iron core during press-fitting. The iron core collides, resulting in damage to the parts, and at the same time, the mold cannot fix the iron core, which causes the iron core to easily shift during press-fitting, affecting the normal press-fitting work of the iron core and the motor shaft

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