CN218587048U - Automobile generator rotor shaft-inserting device - Google Patents

Abstract

The utility model relates to an automobile power generation machine assembles technical field, concretely relates to automobile power generation machine rotor goes into axle device. The polar claw extruding machine comprises an upper plate, wherein a lower barrel is fixed at the lower end of the upper plate, a slotted hole is formed in the upper end of the upper plate, a through hole is formed in the bottom of the slotted hole, a rotor shaft positioning device is arranged in the lower barrel, corresponds to the through hole and is fixedly connected with the lower end of the upper plate, a plurality of extruding devices are uniformly distributed on the circumference of the upper end of the upper plate outside the slotted hole, and the number of the extruding devices is equal to that of polar claws of a claw pole. The utility model discloses can utilize inner tube and inner panel to go into the axle location to the rotor shaft when the rotor shaft goes into the axle, prevent because when the extrusion part of hydraulic press down error appears, the condition that the shaft shoulder of rotor shaft applyed great pressure and made rotor assembly damage to the claw utmost point of rotor subassembly top takes place.

Description

Automobile generator rotor shaft-inserting device

Technical Field

The utility model relates to an automobile power generation machine assembles technical field, concretely relates to automobile power generation machine rotor goes into axle device.

Background

The generator rotor comprises a rotor shaft, a collecting ring, claw poles, a magnet yoke and a magnetic field winding. The magnet yoke is located the magnetic field winding inboard, and the magnetic field winding is located the cavity that two claw poles constitute, and the rotor shaft runs through claw pole, magnet yoke and collecting ring. The existing common automobile generator rotor assembly process generally adopts a folding press to assemble a generator rotor, firstly, two claw poles, a magnetic field winding and a magnetic yoke are manually pressed into a rotor assembly in advance, then, a rotor shaft is pressed into the rotor assembly, and the process of pressing the rotor shaft into the rotor assembly is a shaft entering process. The method of part of the shaft entering process comprises the following steps: firstly, the rotor assembly is manually placed into a station, then the rotor shaft is taken out and placed in the claw pole hole above the rotor shaft, and then the hydraulic press is started to complete the shaft entering process. Because the manual positioning is adopted, the operation precision is poor, and the efficiency is low.

In order to improve the shaft entering precision and improve the production efficiency, the existing partial shaft entering device is equipped with a structure capable of positioning the rotor assembly, for example, the patent with the application number of CN201621009461.6 and the name of "a rotor shaft entering device for an automobile generator" discloses a shaft entering device capable of effectively positioning the rotor assembly and guiding the rotor shaft during shaft entering, a part of the rotor shaft 20 is pressed into the rotor assembly in advance, when the shaft enters, the ejector rod 11 and the rotor shaft 20 are opposite to each other and go deep into the rotor assembly, and then the hydraulic press is continuously controlled to press the rotor shaft 20. At this time, the gap between the push plate 4 and the annular fixing plate 2 is basically eliminated, the second return spring 5 is compressed, the upper end surface of the central tube body of the fore shaft mold core 3 is flush with the upper end surface of the push plate 4, meanwhile, the ejector rod 11 moves downwards, the first return spring 12 is compressed, and the rotor shaft 20 is completely inserted into the rotor assembly. Go into an in-process ejector pin 11 and hasp mold core and can fix a position rotor assembly, can effectual improvement income axle precision.

However, the technical solution described in this patent still has some problems: if when the rotor shaft is extruded into the shaft, the shaft-in depth of the rotor shaft is not convenient to control, when a descending error occurs to an extrusion component of the hydraulic press, a shaft shoulder of the rotor shaft easily extrudes a claw pole above the rotor component, and the rotor component is easily damaged when the claw pole is excessively pressed. Meanwhile, the positioning of the rotor assembly of the device mainly depends on the insertion matching of the ejector rod 11 and the inner hole of the rotor assembly for positioning, therefore, the rotor assemblies with different sizes are required to be respectively provided with the ejector rods matched with the rotor assemblies, and the shaft-entering device is inconvenient to be suitable for shaft-entering processing of the rotor assemblies with different sizes.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that an application scope is wide, can right stably to the rotor subassembly of equidimension not, can guarantee that the automobile power generation machine rotor of the income axle precision of rotor shaft goes into a device.

In order to realize the purpose, the utility model provides a technical scheme is:

the utility model provides an automobile power generation machine rotor goes into axle device, includes the upper plate, and the upper plate lower extreme is fixed with down a section of thick bamboo, and the slotted hole has been seted up to the upper plate upper end, and the through-hole has been seted up to the hole bottom of slotted hole, is provided with rotor shaft positioner in the lower section of thick bamboo, and rotor shaft positioner corresponds with the through-hole and with upper plate lower extreme fixed connection, and the upper plate upper end circumference equipartition in the slotted hole outside is provided with a plurality of extrusion devices, and the number of extrusion device equals with the utmost point claw number of claw utmost point.

Specifically, the plurality of extrusion devices are uniformly distributed according to the circumference of the axis of the slotted hole, and the slotted hole and the through hole are concentrically arranged.

Specifically, the rotor shaft positioning device comprises an inner barrel fixed at the lower end of the upper plate, the inner barrel is concentric with the through hole, an inner plate concentric with the inner barrel is arranged in the inner barrel, the inner plate is connected with a bottom plate of the inner barrel through a plurality of springs, an insertion rod is fixed at the lower end of the inner plate, and the insertion rod penetrates through the bottom plate of the inner barrel and is in sliding connection with the bottom plate of the inner barrel.

Specifically, the lower end of the inner plate is provided with a blind hole corresponding to the spring, and the upper end of the spring is fixed in the blind hole.

Specifically, extrusion device is including seting up the spout in the upper end of upper plate, and the length direction of spout is parallel with the radial direction of slotted hole, and sliding joint has the slider in the spout, and the spout internal fixation has the cylinder that is used for driving the slider motion, and the slider upper end is fixed with the extension board of falling L shape, and the extension board upper end is fixed with vertical backing pin.

Specifically, a cambered surface is machined on one side, facing the axis of the through hole, of the stop pin, and the vertical portion of the support plate is fixedly connected with the straight portion through the rib plate.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses can utilize inner tube and inner panel to go into the axle location to the rotor shaft when the rotor shaft goes into the axle, prevent because when the extrusion part of hydraulic press down error appears, the shaft shoulder of rotor shaft exerts great pressure and makes the condition of rotor assembly damage take place to the claw pole of rotor assembly top.

2. Utilize a plurality of extrusion devices to extrude the location to rotor subassembly, can be applicable to the rotor subassembly of equidimension not, application scope is wide, and a plurality of extrusion devices extrude the location back to rotor subassembly, and the stability can be good of rotor subassembly, can prevent that the in-process rotor subassembly of income axle is not hard up to take place the displacement.

Drawings

Fig. 1 is a sectional view of the present invention.

Fig. 2 is a top view of the present invention.

Fig. 3 is a side view of the pressing device.

Part names in the drawings are as follows:

1. upper plate

2. Lower tube

3. Slotted hole

4. Through hole

5. Inner cylinder

6. Inner plate

7. Spring

8. Inserted link

9. Upper claw pole

9.1 lower claw pole

10. Rotor shaft

11. Sliding chute

12. Sliding block

13. Cylinder

14. Supporting plate

15. Stop pin

16. A rib plate.

Detailed Description

As shown in fig. 1-3, an automobile generator rotor shaft-inserting device comprises an upper plate 1, a lower cylinder 2 is fixed at the lower end of the upper plate 1, a slotted hole 3 is formed at the upper end of the upper plate 1, a through hole 4 is formed at the bottom of the slotted hole 3, and a rotor shaft positioning device is arranged in the lower cylinder 2.

The rotor shaft positioning device comprises an inner barrel 5 fixed at the lower end of an upper plate 1, the inner barrel 5 is concentric with a through hole 4, an inner plate 6 concentric with the inner barrel 5 is arranged in the inner barrel 5, the inner plate 6 is connected with a bottom plate of the inner barrel 5 through a plurality of springs 7, a blind hole corresponding to the spring 7 is formed in the lower end of the inner plate 6, and the upper end of the spring 7 is fixed in the blind hole. An inserting rod 8 is fixed at the lower end of the inner plate 6, and the inserting rod 8 penetrates through the bottom plate of the inner cylinder 5 and is connected with the bottom plate in a sliding manner.

When the rotor shaft 10 enters the shaft, the rotor shaft 10 penetrates through the rotor assembly and contacts with the inner plate 6, the inner plate 6 extrudes the spring 7 and descends along with the continuous descending of the rotor shaft 10, the insertion rod 8 descends along with the continuous descending of the rotor shaft 10, and when the rotor shaft 10 enters the shaft in place, the inner plate 6 contacts with the bottom plate of the inner barrel 5. At this time, the rotor shaft 10 does not go down any more, and the inner cylinder 5 and the inner plate 6 are used for positioning the rotor shaft 10 in a shaft manner, so that the situation that the rotor assembly is damaged due to the fact that the shaft shoulder of the rotor shaft 10 applies large pressure to the upper claw pole 9 of the rotor assembly when the extrusion component of the hydraulic machine goes down is prevented.

The upper end of the spring 7 is fixed in the blind hole, and after the lower end of the inner plate 6 is contacted with the bottom plate of the inner cylinder 5, the spring 7 can be positioned in the blind hole, so that the damage of the spring 7 can be avoided when the lower end of the inner plate 6 is contacted with the bottom plate of the inner cylinder 5.

The rotor shaft 10 positioning device corresponds to the through hole 4 and is fixedly connected with the lower end of the upper plate 1, a plurality of extrusion devices are uniformly distributed on the circumference of the upper end of the upper plate 1 outside the slotted hole 3, and the number of the extrusion devices is equal to that of the pole claws of the claw poles. The plurality of extrusion devices are uniformly distributed according to the circumference of the axis of the slotted hole 3, and the slotted hole 3 and the through hole 4 are concentrically arranged. The extrusion device comprises a sliding groove 11 formed in the upper end of the upper plate 1, the length direction of the sliding groove 11 is parallel to the radial direction of the groove hole 3, a sliding block 12 is clamped in the sliding groove 11 in a sliding mode, an air cylinder 13 used for driving the sliding block 12 to move is fixed in the sliding groove 11, an inverted L-shaped support plate 14 is fixed at the upper end of the sliding block 12, and a vertical stop pin 15 is fixed at the upper end of the support plate 14. And a cambered surface is processed on one side of the stop pin 15 facing the axis of the through hole 4. The vertical part of the support plate 14 is fixedly connected with the straight part through a rib plate 16.

The rotor subassembly is located slotted hole 3 back for the utmost point claw of last claw utmost point 9 corresponds with extension board 14, start a plurality of cylinders 13 simultaneously, make a plurality of extension boards 14 move to the axle center direction of slotted hole 3 simultaneously, extension board 14 straight portion one end can inject down in the clearance between the adjacent utmost point claw on the claw utmost point 9.1, backing pin 15 can tightly support the utmost point claw outer fringe of the utmost point 9 of last claw, when a plurality of backing pins 15 extrude the utmost point claw outer fringe of last claw utmost point 9 simultaneously, the rotor subassembly is concentric with slotted hole 3. One side of the stop pin 15 facing the axis of the through hole 4 is processed with an arc surface, when the stop pin 15 tightly abuts against the claw of the upper claw pole 9, the arc surface contacts with the outer edge of the claw of the upper claw pole 9, the arc surface can increase the contact area of the stop pin 15 and the claw of the upper claw pole 9, and the stability of the rotor assembly can be increased. Utilize a plurality of extrusion devices to extrude the location to rotor subassembly, can be applicable to the rotor subassembly of equidimension not, application scope is wide, and a plurality of extrusion devices extrude the location back to rotor subassembly, and the stability can be good of rotor subassembly, can prevent that the in-process rotor subassembly of income axle is not hard up to take place the displacement.

When the device is used for shaft entering operation, the device is fixed on a workbench of a hydraulic press. The rotor shaft 10 is pressed into the rotor assembly in advance. Then the rotor assembly is positioned in the slot 3, and a plurality of air cylinders 13 are started simultaneously, and the rotor assembly is extruded and stabilized by a plurality of extrusion devices. Then, the hydraulic press is started to extrude the rotor shaft 10, and in the process that the rotor shaft 10 enters the shaft, the inner plate 6 is in contact with the bottom plate of the inner cylinder 5 to limit the rotor shaft 10. After the shaft is inserted, the support plate 14 and the stop pin 15 are restored, and the rotor assembly after the shaft is inserted is ejected out of the slot hole 3 under the action of the elastic force of the spring 7, so that the rotor assembly is convenient to take.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (6)

1. The utility model provides an automobile power generation machine rotor goes into axle device, including upper plate (1), upper plate (1) lower extreme is fixed with down a section of thick bamboo (2), a serial communication port, slotted hole (3) have been seted up to upper plate (1) upper end, through-hole (4) have been seted up to the hole bottom of slotted hole (3), be provided with rotor shaft positioner in a lower section of thick bamboo (2), rotor shaft positioner corresponds with through-hole (4) and with upper plate (1) lower extreme fixed connection, upper plate (1) upper end circumference equipartition in the slotted hole (3) outside is provided with a plurality of extrusion devices, the number of extrusion device equals with the utmost point claw number of claw utmost point.

2. The shaft inserting device for the rotor of the generator of the automobile as claimed in claim 1, wherein the plurality of extruding devices are uniformly distributed according to the axial center circumference of the slotted hole (3), and the slotted hole (3) and the through hole (4) are concentrically arranged.

3. The automobile generator rotor shaft-entering device is characterized in that the rotor shaft-entering device comprises an inner cylinder (5) fixed at the lower end of an upper plate (1), the inner cylinder (5) is concentric with a through hole (4), an inner plate (6) concentric with the inner cylinder (5) is arranged in the inner cylinder (5), the inner plate (6) is connected with the bottom plate of the inner cylinder (5) through a plurality of springs (7), an inserting rod (8) is fixed at the lower end of the inner plate (6), and the inserting rod (8) penetrates through the bottom plate of the inner cylinder (5) and is connected with the bottom plate of the inner cylinder in a sliding mode.

4. The automobile generator rotor shaft-entering device according to claim 3, characterized in that the lower end of the inner plate (6) is provided with a blind hole corresponding to the spring (7), and the upper end of the spring (7) is fixed in the blind hole.

5. The automobile generator rotor shaft-entering device according to claim 1, characterized in that the extrusion device comprises a chute (11) formed at the upper end of the upper plate (1), the length direction of the chute (11) is parallel to the radial direction of the slotted hole (3), a sliding block (12) is slidably clamped in the chute (11), a cylinder (13) for driving the sliding block (12) to move is fixed in the chute (11), an inverted L-shaped support plate (14) is fixed at the upper end of the sliding block (12), and a vertical stop pin (15) is fixed at the upper end of the support plate (14).

6. The automobile generator rotor shaft-entering device is characterized in that a cambered surface is machined on one side, facing the axis of the through hole (4), of the stop pin (15), and the vertical part and the straight part of the support plate (14) are fixedly connected through a rib plate (16).

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