Universal rotor iron core laminated frock and laminating method
Technical field
The present invention relates to rotor iron core laminated technical field, be specially a kind of universal rotor iron core laminated frock and laminating method.
Background technology
The motor producer of domestic production rotor, the work that laminates of a lot of rotor core is carried out on motor shaft.In order to reach the stacking factor of rotor core, usually making the sealing sleeve of corresponding motor model specification, closed circle support or column steel, then by hydraulic press, iron core being compressed.This several laminating tool has following defect usually:
1, sealing sleeve need remove and just can put into rotor core end winding support key afterwards, and now rotor core is not stressed, and iron core should be loose;
2, the frock of enclosed construction just must can laminate rotor core higher than after the end face of motor shaft, easily limit by the stroke of hydraulic press on the one hand, add the impulse stroke of hydraulic press on the other hand, thus add the time of rotor iron core laminated operation, reduce production efficiency;
3, directly adopt column steel pressure rotor core, need manually to fix in advance, and place one by one, remove, thus add the time of rotor iron core laminated operation, reduce production efficiency, reduce the coefficient of safety in manufacturing process simultaneously.
Summary of the invention
During in order to ensure rotor iron core laminated, when by installing rotor core end winding support key when hydraulic press pressure, reducing hydraulic press stroke to the impact of rotor iron core laminated specification, the coefficient of safety increased in rotor iron core laminated process, and reduce activity time, enhance productivity.The present invention devises a kind of novel rotor iron core laminated frock, reaches the object of expection, also a saving cost simultaneously.
Concrete technical scheme is as follows:
A kind of universal rotor iron core laminated frock, comprise present a theatrical performance as the last item on a programme, base, mandrel, rotor iron core laminatedly be sleeved on mandrel, rotor core is being presented a theatrical performance as the last item on a programme and between base, present a theatrical performance as the last item on a programme and make a concerted effort to laminate core stamping with base, it is characterized in that: bottom of presenting a theatrical performance as the last item on a programme connects compression leg, and some compression leg annulars are uniform, between each compression leg, there is gap, present a theatrical performance as the last item on a programme and drive compression leg to laminate core stamping.
Preferably, compression leg top is provided with the boss increasing compression area.
Preferably, presenting a theatrical performance as the last item on a programme is provided with waist hole with compression leg junction, and compression leg to be connected by set bolt with presenting a theatrical performance as the last item on a programme.
Preferably, the upper and lower both ends of the surface of rotor core are sheathed rotor pressing ring respectively, and compression leg pressure is born in upper rotor part trim ring upper surface, and lower rotor part trim ring lower surface connects base.
Preferably, upper rotor part trim ring upper surface and rotor core end winding support key close contact, rotor core end winding support key mapping, in keyway set by mandrel, is fixed with mandrel and rotor pressing ring spot welding.
Preferably, be provided with base rebound between lower rotor part trim ring and base, base rebound center has annular groove, and lower rotor part trim ring lower surface is positioned at groove, and lower rotor part trim ring height is concordant with base rebound.
Preferably, base rebound one end has male half coupling, and being fixed on base by this seam and being threaded, the other end has inner stopper, lower rotor part trim ring and rotor core is fixed, mandrel bottom surface and base close contact.
Preferably, compression leg quantity is four, annular array, and in cross distribution, each compression leg axis is identical with mandrel axis spacing.
Universal rotor iron core laminated frock of the present invention, adopt compression leg structure, between each compression leg, there is radial clearance, compared with traditional closed laminating tool, rotor core end winding support key can be installed under rotor core impaction state, reduce hydraulic press stroke to the impact of rotor iron core laminated specification, the coefficient of safety increased in rotor iron core laminated process, and reduce activity time, enhance productivity about 30%.
Meanwhile, compression leg adopts waist hole to install with presenting a theatrical performance as the last item on a programme, and can regulate phase mutual edge distance, increase the versatility of frock according to the specification of different rotor, and the multiple frock of minimizing manufacture, reduces motor manufacturing cost; In addition compression leg top has boss, increase compression area, improve intensity, stressed evenly, ensure laminate quality.
In addition, base rebound one end has male half coupling, and being fixed on base by this seam and being threaded, the other end has inner stopper, lower rotor part trim ring and rotor core is fixed, mandrel bottom surface and base close contact.Compact conformation safety, and install simple and convenient, practical.
The laminating method of above-mentioned universal rotor iron core laminated frock, comprises the steps:
1, be connected by seam with base by base rebound, mandrel directly drops on base bottom through base rebound;
2, lower rotor part trim ring is inserted in mandrel to drop in sequence base rebound groove, is then set with core stamping successively, completes the assembling of rotor core, then upper rotor part trim ring is arranged on rotor core upper surface;
3, uniform compression leg is arranged on by set bolt bottom of presenting a theatrical performance as the last item on a programme, mandrel passes perpendicularly through the gap between compression leg, without the need to compression leg is risen to mandrel upper surface, substantially reduce the working hour of hydraulic press, improve production efficiency, compression leg directly contacts with upper rotor part trim ring, by the pressure of hydraulic press by rotor iron core laminated, when reaching rational position, compression leg keeps pressurized state, by each compression leg gap, rotor core end winding support key is installed simultaneously, by rotor core end winding support key and mandrel, upper rotor part trim ring point welds, the stacking factor that rotor core end winding support key can ensure rotor core is installed additional under the state of rotor core by pretightning force, substantially increase rotor iron core laminated quality level.
In course of exerting pressure, rotor pressing ring, rotor core fully contact with base rebound, make rotor pressing ring, pressure uniform that rotor core is subject to, directly avoid the teeth portion that core stamping causes because of unbalance stress and flick, improve rotor iron core laminated quality level.
For the motor of batch production, only need disposablely regulate suitable compression leg distance, unclamp hydraulic press, base and on tool part only need shift out and just can realize quick-replaceable part, the very big operating efficiency that improve motor rotor core and laminate.
Accompanying drawing explanation
Fig. 1 is embodiment rotor iron core mounting structure schematic diagram;
Fig. 2 is the integrated tooling structural representation of embodiment;
Fig. 3 presents a theatrical performance as the last item on a programme in embodiment and compression leg stationary plane structural representation.
In figure: 1-mandrel; 2-rotor core end winding support key; 3-upper rotor part trim ring; 4-rotor core; 5-rotor core key; 6-presents a theatrical performance as the last item on a programme; 7-set bolt; 8-compression leg; 9-lower rotor part trim ring; 10-base rebound; 11-base; 12-waist hole; 13-boss.
Embodiment
Below in conjunction with non-limiting example, the present invention is described further.
As shown in the figure: universal rotor iron core laminated frock of the present invention comprises press member, pressure-containing member, mandrel 1, between press member and pressure-containing member, mandrel 1 passes through rotor core key 5 fixed rotor iron core 4; Press member comprise present a theatrical performance as the last item on a programme 6, compression leg 8, presenting a theatrical performance as the last item on a programme 6 is connected by waist hole 12, set bolt 7 with compression leg 8, and compression leg 8 top has boss 13; Pressure-containing member comprises base 11, base rebound 10, upper rotor part trim ring 3, lower rotor part trim ring 9, rotor pressing ring is installed in rotor core 4 upper and lower end face, rotor core end winding support key 2 installed above by upper rotor part trim ring 3, lower rotor part trim ring 9 is positioned at base rebound 10 groove, and base rebound 10 is connected with base plate 11 seam and screw threads for fastening.
Base 11 is cylindrical component, is directly placed in immediately below hydraulic press pressure head; Base rebound 10 one end has male half coupling, and can directly be fixed on the pedestal 11 by this seam, the other end has groove, lower rotor part trim ring 9 and rotor core 4 is fixed; Compression leg 8 is provided with boss 13 to increase lifting surface area, improves intensity, is provided with spanner groove simultaneously, facilitates compression leg 8 fastening, and this compression leg 8 is fixed on by set bolt 7 presents a theatrical performance as the last item on a programme on 6; 6 one end of presenting a theatrical performance as the last item on a programme are provided with through hole and hydraulic press pressure head is fixed, and the other end is provided with waist hole 12 and connects compression leg 8, can regulate phase mutual edge distance according to the specification of different rotor iron core 4 simultaneously, be fixed on present a theatrical performance as the last item on a programme on 6 by set bolt 7.
Concrete operation method is as follows:
1, as shown in Figure 2, base rebound 10 is connected by seam with base 11, and mandrel 1 directly through base rebound 10 and base 11, drops on bottom base 11;
2, lower rotor part trim ring 9 directly drops on after being inserted in mandrel 1 in the groove of base rebound 10, just starts folded core stamping afterwards, and core stamping is inserted in upper rotor part trim ring 3 after having folded;
3, because 4 compression legs 8 are uniform and be fixed on by set bolt 7 and present a theatrical performance as the last item on a programme on 6, Gu mandrel 1 directly through the gap compression leg 8, without the need to compression leg 8 being risen to the upper surface of mandrel 1, can substantially reduce the working hour of hydraulic press, improve production efficiency.Compression leg 8 directly contacts with upper rotor part trim ring 3, by the pressure of hydraulic press, rotor core 4 is laminated, when reaching rational position, compression leg 8 keeps pressurized state, add rotor core end winding support key 2 in each compression leg 8 intermediate gaps simultaneously, rotor core end winding support key 2 and mandrel 1, upper rotor part trim ring 3 are welded, under rotor core 4 is by the state of pretightning force, installs the stacking factor that rotor core end winding support key 2 can ensure rotor core 4 additional, substantially increases rotor iron core laminated quality.
4, in course of exerting pressure, rotor pressing ring, laminated core 4 fully contact with base rebound 10, make rotor pressing ring, pressure uniform that laminated core 4 is subject to, directly avoid the teeth portion that core stamping causes because of unbalance stress and flick, improve and laminate quality.
5, for the motor of batch production, only need disposable regulate suitable compression leg 8 apart from, unclamp hydraulic press, the tool part on base 11 and base 11 only need shift out and just can realize quick-replaceable part, the very big operating efficiency that improve motor rotor core and laminate.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be do not depart from technical solution of the present invention content, according to technical spirit of the present invention, within the spirit and principles in the present invention, to any simple amendment that above embodiment is done, equivalent replacement and improvement etc., within the protection range all still belonging to technical solution of the present invention.