CN215071898U

CN215071898U - Axial pressure resistant rotary table motor

Info

Publication number: CN215071898U
Application number: CN202120725833.XU
Authority: CN
Inventors: 黄立峰
Original assignee: Voltaic Electric Machinery Guangzhou Co ltd
Current assignee: Voltaic Electric Machinery Guangzhou Co ltd
Priority date: 2021-04-09
Filing date: 2021-04-09
Publication date: 2021-12-07
Anticipated expiration: 2031-04-09

Abstract

The utility model relates to a revolving stage motor technical field, concretely relates to axial pressure resistant revolving stage motor, including winding group stator, rotor core, pivot and bearing, still include base, upper ring and carousel, rotor core's upper end and carousel fixed connection, upper ring is provided with first ring groove, the outer lane edge of carousel is provided with first annular fixture block, first annular fixture block cooperates with first ring, still including being used for preventing the spacing subassembly that the pivot removed up, the inner circle of switching ring with the lower extreme fixed connection of pivot. This revolving stage motor avoids the pivot to remove downwards through first annular fixture block and the cooperation of first annular clamping groove, avoids the pivot rebound through second annular clamping groove and second annular fixture block to avoid the pivot to receive external force and take place axial displacement, avoid axial displacement and reduce the emergence of the phenomenon of the precision of revolving stage motor.

Description

Axial pressure resistant rotary table motor

Technical Field

The utility model relates to a revolving stage motor technical field, concretely relates to axial pressure resistant revolving stage motor.

Background

An electric Motor (Motor) is a device that converts electrical energy into mechanical energy. The electromagnetic power generating device utilizes an electrified coil to generate a rotating magnetic field and acts on a rotor to form magnetoelectric power rotating torque. The motors are classified into dc motors and ac motors according to the power sources used, and most of the motors in the power system are ac motors, which may be synchronous motors or asynchronous motors. The motor mainly comprises a stator and a rotor, and the direction of the forced movement of the electrified conducting wire in the magnetic field is related to the current direction and the magnetic induction line direction. The working principle of the motor is that the magnetic field exerts force on current to rotate the motor. Because the demand of industrial automation, the motor has also derived the revolving stage motor, but because the output of revolving stage motor is provided with the load-bearing carousel, consequently receive the axial extrusion of external force for a long time, and the withstand voltage performance of revolving stage motor on the existing market at the axial direction is usually not high, and the pivot of revolving stage motor is pressed for a long time after, takes place not hard up phenomenon easily, is unfavorable for the maintenance of revolving stage motor precision.

SUMMERY OF THE UTILITY MODEL

In order to overcome the shortcoming and the deficiency that exist among the prior art, the utility model aims to provide a revolving stage motor of resistant axial pressure, this revolving stage motor avoids the pivot to move down through the cooperation of first annular clamping block and first ring groove, avoids pivot rebound through second ring groove and second annular clamping block to avoid the pivot to receive external force and take place axial displacement, avoid axial displacement and reduce the emergence of the phenomenon of the precision of revolving stage motor.

The purpose of the utility model is realized through the following technical scheme: a turntable motor resistant to axial pressure comprises a winding group stator, a rotor core sleeved in the winding group stator, a rotating shaft sleeved in the rotor core, a bearing sleeved outside the rotating shaft, a base, an upper edge ring used for covering the base, and a turntable fixedly connected with the upper end of the rotating shaft, wherein the upper end of the rotor core is fixedly connected with the lower surface of the turntable, a first annular clamping groove with an upward opening is formed in the edge of the inner ring of the upper edge ring, a circle of first annular clamping block protruding downwards is arranged on the edge of the outer ring of the turntable, the first annular clamping block is inserted into the first annular clamping groove from top to bottom and can rotate relative to the first annular clamping groove, the turntable motor further comprises a limiting assembly used for preventing the rotating shaft from moving upwards, and the limiting assembly comprises a switching ring and a second annular clamping groove with a downward opening formed in the base, the inner ring of the adapter ring is fixedly connected with the lower end of the rotating shaft, a second annular clamping block is arranged on the upper surface of the outer ring of the adapter ring, the second annular clamping block is upwards inserted into the second annular clamping groove, and the second annular clamping block can rotate relative to the second annular clamping groove.

The bearing pedestal is fixed on the base, the bearing is a crossed roller bearing, and the crossed roller bearing is assembled in the bearing pedestal.

The base is provided with an assembly hole, and the lower end of the rotating shaft extends into the assembly hole from top to bottom and is fixedly connected with the adapter ring.

The mounting structure comprises a mounting hole and a code wheel mounting shaft arranged in the mounting hole, wherein the upper end of the code wheel mounting shaft is fixedly connected with the lower end face of the adapter ring.

The magnetic encoder comprises a signal magnetic ring sleeved outside the coded disc mounting shaft and a sensor arranged in the assembly hole.

The rotating shaft is a T-shaped shaft, the wide end of the T-shaped shaft faces upwards, the narrow end of the T-shaped shaft faces downwards, a sinking platform is arranged on the lower end face of the rotating disc, the upper end of the T-shaped shaft is inserted into the sinking platform, and the upper end face of the T-shaped shaft completely covers the bottom face of the sinking platform.

The wire winding set comprises a winding set stator, a wire connector and a connecting wire, wherein the wire connector is electrically connected with the winding set stator, the connecting wire is connected with the wire connector, and the wire connector penetrates through the base.

The beneficial effects of the utility model reside in that: the utility model discloses a revolving stage motor avoids the pivot to remove downwards through the cooperation of first annular fixture block and first ring groove, avoid pivot rebound through second ring groove and second ring fixture block, thereby avoid the pivot to receive external force and take place axial displacement, avoid axial displacement and reduce the emergence of the phenomenon of the precision of revolving stage motor, and the cooperation of first annular fixture block and first ring groove, second ring groove and the cooperation of second ring fixture block, also can play good limiting displacement at the radial direction of pivot to the pivot, too big rocking also can not take place for the pivot when receiving radial force, and high stability, the stability of pivot has been guaranteed effectively, thereby guarantee the precision of revolving stage motor.

Drawings

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

Fig. 2 is a cross-sectional view of the present invention.

Fig. 3 is an enlarged view of the area a in fig. 2 according to the present invention.

Fig. 4 is an enlarged view of the region B in fig. 2 according to the present invention.

The reference signs are: the winding set comprises a winding set stator 1, a rotor core 2, a rotating shaft 3, a bearing 4, a base 5, an upper edge ring 6, a rotary disc 7, a first annular clamping groove 8, a first annular clamping block 9, a switching ring 10, a second annular clamping groove 11, a second annular clamping block 12, a bearing seat 13, an assembling hole 14, a coded disc installing shaft 15, a signal magnetic ring 16, a sensor 17, a wire connector 18 and a connecting wire 19.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and accompanying fig. 1 to 4, which are not intended to limit the present invention.

Referring to fig. 1-4, an axial pressure resistant turntable motor includes a winding stator 1, a rotor core 2 sleeved in the winding stator 1, a rotating shaft 3 sleeved in the rotor core 2, and a bearing 4 sleeved outside the rotating shaft 3, and further includes a base 5, an upper ring 6 for covering the base 5, and a turntable 7 fixedly connected to an upper end of the rotating shaft 3, wherein an upper end of the rotor core 2 is fixedly connected to a lower surface of the turntable 7, an inner ring edge of the upper ring 6 is provided with a first annular clamping groove 8 with an upward opening, an outer ring edge of the turntable 7 is provided with a circle of first annular clamping block 9 protruding downward, the first annular clamping block 9 is inserted into the first annular clamping groove 8 from top to bottom, and the first annular clamping block 9 can rotate relative to the first annular clamping groove 8, and a limiting component for preventing the rotating shaft 3 from moving upward, the limiting assembly comprises an adapter ring 10 and a second annular clamping groove 11, the second annular clamping groove 11 is formed in the base 5 and is provided with a downward opening, an inner ring of the adapter ring 10 is fixedly connected with the lower end of the rotating shaft 3, a second annular clamping block 12 is arranged on the upper surface of an outer ring of the adapter ring 10, the second annular clamping block 12 is upwards inserted into the second annular clamping groove 11, and the second annular clamping block 12 can rotate relative to the second annular clamping groove 11.

The bearing device further comprises a bearing seat 13 fixed on the base 5, the bearing 4 is a crossed roller bearing 4, and the crossed roller bearing 4 is assembled in the bearing seat 13.

The base 5 is provided with an assembly hole 14, and the lower end of the rotating shaft 3 extends into the assembly hole 14 from top to bottom and is fixedly connected with the adapter ring 10.

The mounting structure further comprises a coded disc mounting shaft 15 arranged in the assembling hole 14, and the upper end of the coded disc mounting shaft 15 is fixedly connected with the lower end face of the adapter ring 10.

The magnetic encoder comprises a signal magnetic ring 16 sleeved outside the coded disc mounting shaft 15 and a sensor 17 arranged in the assembly hole 14.

The rotating shaft 3 is a T-shaped shaft, the wide end of the T-shaped shaft faces upwards, the narrow end of the T-shaped shaft faces downwards, a sinking platform is arranged on the lower end face of the rotary disc 7, the upper end of the T-shaped shaft is inserted into the sinking platform, and the upper end face of the T-shaped shaft completely covers the bottom face of the sinking platform.

The winding set stator comprises a wire connector 18 electrically connected with the winding set stator 1 and a connecting wire 19 connected with the wire connector 18, wherein the wire connector 18 is arranged on the base 5 in a penetrating mode.

The above-mentioned embodiment is the utility model discloses the implementation of preferred, in addition, the utility model discloses can also realize by other modes, not deviating from the utility model discloses any obvious replacement is all within the protection scope under the prerequisite of design.

Claims

1. The utility model provides a revolving stage motor of resistant axial pressure, includes that winding group stator, cover locate the rotor core in the winding group stator, the pivot in the rotor core is located to the cover and the bearing outside the pivot is located to the cover, its characterized in that: also comprises a base, an upper edge ring used for covering the base and a turntable fixedly connected with the upper end of the rotating shaft, the upper end of the rotor core is fixedly connected with the lower surface of the turntable, the edge of the inner ring of the upper edge ring is provided with a first annular clamping groove with an upward opening, a circle of first annular clamping blocks which are protruded downwards are arranged on the edge of the outer ring of the turntable, the first annular clamping blocks are inserted into the first annular clamping grooves from top to bottom, the first annular clamping blocks can rotate relative to the first annular clamping grooves, the turntable further comprises a limiting component for preventing the rotating shaft from moving upwards, the limiting assembly comprises an adapter ring and a second annular clamping groove with a downward opening, the second annular clamping groove is arranged on the base, the inner ring of the adapter ring is fixedly connected with the lower end of the rotating shaft, the upper surface of the outer ring of the adapter ring is provided with a second annular fixture block, the second annular clamping block is upwards inserted into the second annular clamping groove and can rotate relative to the second annular clamping groove.

2. An axial pressure resistant turntable motor according to claim 1, wherein: the bearing is a crossed roller bearing, and the crossed roller bearing is assembled in the bearing seat.

3. An axial pressure resistant turntable motor according to claim 1, wherein: the base has been seted up the pilot hole, the lower extreme of pivot from top to bottom stretch into in the pilot hole with switching ring fixed connection.

4. A turntable motor resistant to axial pressure according to claim 3, wherein: the mounting structure is characterized by further comprising a coded disc mounting shaft arranged in the mounting hole, and the upper end of the coded disc mounting shaft is fixedly connected with the lower end face of the adapter ring.

5. An axial pressure resistant turret motor according to claim 4, wherein: the magnetic encoder comprises a signal magnetic ring sleeved outside the coded disc mounting shaft and a sensor arranged in the assembling hole.

6. An axial pressure resistant turntable motor according to claim 1, wherein: the pivot is T type axle, the wide end of T type axle is up, and the narrow end is down, heavy platform has been seted up to the lower terminal surface of carousel, the upper end of T type axle inserts in heavy platform and the bottom surface that heavy platform was covered completely to the up end of T type axle.

7. An axial pressure resistant turntable motor according to claim 1, wherein: the wire winding set comprises a winding set stator and is characterized by further comprising a wire connector electrically connected with the winding set stator and a connecting wire connected with the wire connector, wherein the wire connector penetrates through the base.