CN210839282U - Servo assembly system of permanent magnet motor - Google Patents
Servo assembly system of permanent magnet motor Download PDFInfo
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- CN210839282U CN210839282U CN201922210174.1U CN201922210174U CN210839282U CN 210839282 U CN210839282 U CN 210839282U CN 201922210174 U CN201922210174 U CN 201922210174U CN 210839282 U CN210839282 U CN 210839282U
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Abstract
The utility model belongs to the technical field of the motor assembly, concretely relates to servo assembly system of permanent-magnet machine. The problems of low precision, low efficiency, easy damage and unsafe existing in the manual assembly of the motor stator and the rotor are solved. The device comprises a base, a bracket, a chuck, a pressure sensor, a three-dimensional turntable, a photosensitive sensor and an optical signal transmitter; the support and the three-dimensional rotary table are fixed on the base; the chuck is fixed on the first bracket; the pressure sensor is fixed on the chuck; the photosensitive sensor is fixed at the output end of the motor shaft; the optical signal transmitter is fixed on the second support, and an optical signal transmitted by the optical signal transmitter, the photosensitive sensor, the motor shaft and the central shaft of the chuck are all on the same straight line. The utility model discloses utilize optical characteristic can be fast, integrate the stator of motor, rotor, end cover subassembly effectively and the adjustment of axial gap, the system sets up pressure sensing device and photosensitive device discernment, has realized the closed loop adjustment of system effectively.
Description
Technical Field
The utility model belongs to the technical field of the motor assembly, concretely relates to servo assembly system of permanent-magnet machine.
Background
The motor mainly comprises a stator and a rotor, wherein the rotor is arranged in the stator and works by the rotation of the rotor. The rotor rotates at a high speed in the stator, so that the installation of the stator and the rotor of the motor is very critical, the coaxiality of the stator and the rotor is required to be ensured during the installation so as to ensure that the peripheral gaps of the stator and the rotor are the same, and the stator and the rotor are prevented from colliding in the installation process to cause the damage of the stator or the rotor.
At present, in the research and development trial-manufacturing stage of the permanent magnet synchronous motor, the assembly of the motor is manually operated, and the manual assembly has many problems:
1. the rotor is provided with strong magnetism, so that the rotor is very easily influenced by magnetism in the manual assembly process, and the rotor impacts the stator, so that the rotor and the stator are damaged;
2. because the air gap between the stator and the rotor is small, the operation requirement of an operator is high during sleeving, and the condition of the stator and the rotor cannot be observed by the operator during sleeving the rotor, so that the stator and the rotor are easy to rub with each other, and certain quality hidden danger exists;
3. in addition, due to the influence of strong magnetism, the assembly of the rotor and the stator is not concentric easily, and the faults of bearing damage, shaft sweeping and the like are caused;
4. the assembly speed of manual assembly is uncontrollable, and the bearing is easy to impact and damage;
5. the strong magnetic force on the hand can hurt the hand when the hand is careless.
In summary, the existing manual assembly method has problems in production safety and efficiency.
SUMMERY OF THE UTILITY MODEL
The precision that exists is low, inefficiency, easily injure and unsafe problem when solving manual assembly motor stator and rotor, the utility model provides a permanent-magnet machine servo assembly system, this system utilize the optical signal can be fast, the assembly of the stator of integrating the motor effectively, rotor, end cover subassembly to set up pressure sensing device and photosensitive device discernment, realized the closed-loop adjustment of system's mounted position effectively.
The technical solution of the utility model is that:
a permanent magnet motor servo assembly system is characterized in that: the device comprises a base, a first support, a chuck, a pressure sensor, a three-dimensional turntable, a photosensitive sensor, an optical signal transmitter and a second support;
the first support, the three-dimensional turntable and the second support are all fixed on the base and are arranged along the x direction; the three-dimensional turntable is positioned between the first support and the second support and used for fixing a stator of the motor to be installed and adjusting the position of the stator in the xyz direction; defining a plane where the base is located as an xy plane;
the chuck is fixed on the first bracket and used for fixing the end cover of the motor to be installed and the rotor through fixing the motor shaft;
the pressure sensor is fixed on the chuck and used for detecting the axial stress of the chuck after the assembly is finished;
the photosensitive sensor is fixed at the output end of the motor shaft and used for receiving signals of the optical signal transmitter;
the optical signal transmitter is fixed on the second support, and an optical signal transmitted by the optical signal transmitter, the photosensitive sensor, the motor shaft and the central shaft of the chuck are all on the same straight line.
Further, the three-dimensional rotary table comprises a vertical rotary table and a horizontal rotary table; the vertical rotary table is used for adjusting the Z-direction height of the motor stator to be assembled, and the horizontal rotary table is used for adjusting the xy-direction displacement of the motor stator to be assembled.
Further, the chuck is a three-jaw chuck.
Further, the assembly system also comprises a turntable support, and the vertical turntable and the horizontal turntable are placed on the turntable support.
Further, when the stator is placed on the rotary table, the y-direction coordinate of the stator center is equal to the y-direction coordinate of the rotor center.
The utility model also discloses a method of foretell system assembly permanent-magnet machine, including following step:
step 3, placing the stator on a three-dimensional rotary table;
step 4, adjusting the position of the stator through the three-dimensional rotary table, fixing y-direction and z-direction coordinates when an optical signal passes through the center of the stator and is received by the photosensitive sensor, adjusting the three-dimensional rotary table to enable the stator to translate along the x-direction to the direction of the rotor, and sleeving the stator outside the rotor;
and 6, repeating the operations of the step 4 and the step 5 until the pressure sensor displays that the current stress value is larger than or equal to the set value.
Further, in step 3, when the stator is placed, ensuring that the y-direction coordinate of the center of the stator is the same as the y-direction coordinate of the center of the rotor; in the step 4, when the position of the stator is adjusted through the three-dimensional rotary table, the z direction of the stator is adjusted only through the three-dimensional rotary table.
The utility model has the advantages that:
1. the utility model discloses permanent-magnet machine servo assembly system utilizes optical characteristic can be fast, integrate the stator of motor, rotor, end cover subassembly effectively and the adjustment of axial gap, and the system sets up pressure sensing device and photosensitive device discernment, has realized the closed loop adjustment of system effectively.
2. The utility model has simple structure, convenient operation and low cost; the manual operation is not needed, the safety and the assembly efficiency are high, and the assembly precision can be effectively ensured.
3. The utility model discloses but wide application has remedied the drawback of traditional assembly method low accuracy, inefficiency in the device of nearly structure such as assembly permanent-magnet machine, is applicable to big batch, high weight's device work, and the effect is obvious, has extensive application prospect.
Drawings
Fig. 1 is a schematic structural view of a permanent magnet motor servo assembly system of the present invention;
FIG. 2 is a first schematic view of the assembly method of the present invention;
FIG. 3 is a schematic view of the assembly method of the present invention;
the reference numbers in the figures are: 1-base, 2-first support, 3-chuck, 4-pressure sensor, 5-three-dimensional turntable, 51-vertical turntable, 52-horizontal turntable, 6-photosensitive sensor, 7-optical signal transmitter, 8-second support, 9-stator, 11-end cover, 12-rotor, 13-motor shaft, 14-turntable support, 15-optical signal.
Detailed Description
The invention is further described with reference to the following drawings and specific embodiments.
Fig. 1 to 3 show that the servo assembly system for a permanent magnet motor of the present invention mainly includes a base 1, a first bracket 2, a chuck 3, a pressure sensor 4, a three-dimensional turntable 5, a photosensitive sensor 6, an optical signal transmitter 7, a second bracket 8, and a turntable bracket 14;
the three-dimensional turntable is characterized in that a first support 2, a three-dimensional turntable 5 and a second support 8 are sequentially fixed on a base 1 along the length direction of the base 1, the three-dimensional turntable 5 is located between the first support 2 and the second support 8 and used for fixing a stator 9 of a motor to be installed and adjusting the position of the stator 9 in the xyz direction; defining the plane of the base 1 as an xy plane; the longitudinal direction of the base 1 is the x direction.
As can be seen from fig. 1, the three-dimensional turret 5 includes a vertical turret 51 and a horizontal turret 52; the vertical rotary table 51 is used for adjusting the height of the motor stator 9 to be assembled in the Z direction, and the horizontal rotary table 52 is used for adjusting the displacement of the motor stator 9 to be assembled in the xy direction. The vertical turntable 51 and the horizontal turntable 52 are placed on the turntable support 14.
The chuck 3 is fixed on the first support 2 and is used for fixing the end cover 11 and the rotor 12 of the motor to be assembled, other chucks can be adopted, after the motor shaft, the end cover and the rotor are assembled, the motor shaft extends into the center of the three-jaw chuck, and is fixed through the three-jaw chuck, so that the end cover 11 and the rotor 12 are fixed. The pressure sensor 4 is fixed on the chuck 3 and used for detecting the axial stress of the chuck 3 pushed by the end cover after the assembly is finished; the photosensitive sensor 6 is fixed at the output end of the motor shaft 13 and used for receiving the signal of the optical signal transmitter 7; the optical signal transmitter 7 is fixed on the second bracket 8, and the optical signal 15 sent by the optical signal transmitter 7, the photosensitive sensor 6, the motor shaft 13 and the central shaft of the chuck 3 are all on the same straight line.
In order to adjust the position of the stator conveniently, when the stator is placed on the three-dimensional rotary table 5, the y-direction coordinate of the center of the stator is equal to the y-direction coordinate of the center of the rotor, and during subsequent adjustment, the z-direction position and the x-direction position of the stator are adjusted.
The principle of the utility model is as follows: due to the principle that the light path is transmitted along a straight line, the end cover 11 and the rotor 12 are integrally clamped on the three-jaw chuck 3, and the optical signal sequence 15 is sent by the optical signal transmitter 7; the vertical rotary table 51 is adjusted, when the stator assembly position and the rotor position are at the same height, the optical signal sent by the optical signal sender 7 can directly penetrate through the center hole of the stator, the photosensitive sensor 6 senses the optical signal to send out a buzzer, and the stator moves horizontally by adjusting the horizontal rotary table 52, so that the high-precision assembly of the stator, the rotor and the end cover assembly is realized; when the rotor 12 is installed in the stator 9, the pressure sensor 4 can display the current stress value, if the stress is smaller than a set value, the rotor 12 is moved out of the stator 9, and an adjusting gasket is added between the end cover 11 and the rotor 12, so that the adjustment of the axial clearance is realized.
With reference to fig. 2 and 3, a method of assembling a permanent magnet machine includes the steps of:
step 3, placing the stator on a three-dimensional turntable 5;
step 4, adjusting the position of the stator through the three-dimensional rotary table 5, fixing y-direction and z-direction coordinates when the optical signal 15 passes through the center of the stator and is received by the photosensitive sensor 6, adjusting the three-dimensional rotary table 5, enabling the stator to translate along the x-direction to the rotor direction, and sleeving the stator outside the rotor;
and 6, repeating the operations of the step 4 and the step 5 until the pressure sensor 4 displays that the current stress value is larger than or equal to the set value.
In step 3, when the stator is placed, ensuring that the y-direction coordinate of the center of the stator is the same as the y-direction coordinate of the center of the rotor; in the step 4, when the position of the stator is adjusted through the three-dimensional turntable 5, the z direction of the stator is adjusted only through the three-dimensional turntable.
The utility model discloses utilize optical characteristic can be fast, integrate the stator of motor, rotor, end cover subassembly effectively and the adjustment of axial gap, the system sets up pressure sensing device and photosensitive device discernment, has realized the closed loop of system effectively.
Claims (5)
1. The utility model provides a servo assembly system of permanent-magnet machine which characterized in that: the device comprises a base (1), a first support (2), a chuck (3), a pressure sensor (4), a three-dimensional turntable (5), a photosensitive sensor (6), an optical signal transmitter (7) and a second support (8);
the first support (2), the three-dimensional rotary table (5) and the second support (8) are all fixed on the base (1) and are arranged along the x direction; the three-dimensional turntable (5) is positioned between the first support (2) and the second support (8) and is used for fixing a stator (9) of the motor to be assembled and adjusting the position of the stator (9); defining the plane of the base (1) as an xy plane;
the chuck (3) is fixed on the first bracket (2) and is used for fixing an end cover (11) of the motor to be assembled and a rotor (12) through a fixed motor shaft (13);
the pressure sensor (4) is fixed on the chuck (3) and used for detecting the axial stress of the chuck (3) after the assembly is finished;
the photosensitive sensor (6) is fixed at the output end of the motor shaft (13) and is used for receiving the signal of the optical signal transmitter (7);
the optical signal transmitter (7) is fixed on the second support (8), and the optical signal (15) transmitted by the optical signal transmitter (7), the photosensitive sensor (6), the motor shaft (13) and the central shaft of the chuck (3) are all on the same straight line.
2. The permanent magnet motor servo assembly system of claim 1, wherein: the three-dimensional rotary table (5) comprises a vertical rotary table (51) and a horizontal rotary table (52); the vertical rotary table (51) is used for adjusting the Z-direction height of the motor stator (9) to be assembled, and the horizontal rotary table (52) is used for adjusting the xy-direction displacement of the motor stator (9) to be assembled.
3. The permanent magnet motor servo assembly system of claim 2, wherein: the chuck is a three-jaw chuck.
4. The permanent magnet motor servo assembly system of claim 3, wherein: the vertical turntable (51) and the horizontal turntable (52) are placed on the turntable support (14).
5. The permanent magnet motor servo assembly system of claim 4, wherein: when the stator (9) is arranged on the three-dimensional rotary table (5), the y-direction coordinate of the stator center is equal to the y-direction coordinate of the rotor center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922210174.1U CN210839282U (en) | 2019-12-11 | 2019-12-11 | Servo assembly system of permanent magnet motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922210174.1U CN210839282U (en) | 2019-12-11 | 2019-12-11 | Servo assembly system of permanent magnet motor |
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| CN210839282U true CN210839282U (en) | 2020-06-23 |
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| CN201922210174.1U Active CN210839282U (en) | 2019-12-11 | 2019-12-11 | Servo assembly system of permanent magnet motor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111720216A (en) * | 2020-06-24 | 2020-09-29 | 中国航发湖南动力机械研究所 | Method for assembling engine device |
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2019
- 2019-12-11 CN CN201922210174.1U patent/CN210839282U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111720216A (en) * | 2020-06-24 | 2020-09-29 | 中国航发湖南动力机械研究所 | Method for assembling engine device |
| CN111720216B (en) * | 2020-06-24 | 2022-02-11 | 中国航发湖南动力机械研究所 | Method for assembling engine device |
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