Rotor core axial fixity structure and crimping device

The application discloses the rotor core axial fixity structure, including support (1) that is used for fixed rotor core with the rotor clamp plate, support (1) is close to the one end of rotor clampplate is equipped with lug (11), lug (11) the tight rotor clamp plate that can warp and rise under the exogenic action, fixed rotor core. This application still provides a crimping device who providesexternal force to above -mentioned rotor core axial fixity structure, the utility model provides a rotor core axial fixity structure and crimping device, the axial and the radial space that save therotor that can not only furthest reduce the size of the electric machine, but also simple reliable, solid structure, strong operability, efficient, low cost, are suitable for permanent magnet drive motor's batch production. 本申请公开了种转子铁芯轴向固定结构，包括用于固定转子铁芯与转子压板的支架(1)，所述支架(1)靠近所述转子压板的端设有凸块(11)，所述凸块(11)可在外力作用下变形并涨紧转子压板，固定转子铁芯。本申请还提供种向上述转子铁芯轴向固定结构提供外力的铆压装置；本实用新型提供的转子铁芯轴向固定结构与铆压装置，不仅能最大限度的节省转子的轴向和径向空间，减小电机体积，而且还简单可靠、结构坚固、操作性强、效率高、成