CN220692973U - Automatic heating device for rotor of large-sized alternating current asynchronous induction motor - Google Patents
Automatic heating device for rotor of large-sized alternating current asynchronous induction motor Download PDFInfo
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- CN220692973U CN220692973U CN202322311595.XU CN202322311595U CN220692973U CN 220692973 U CN220692973 U CN 220692973U CN 202322311595 U CN202322311595 U CN 202322311595U CN 220692973 U CN220692973 U CN 220692973U
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- lifting cylinder
- heating device
- induction motor
- automatic heating
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 45
- 230000006698 induction Effects 0.000 title claims abstract description 20
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 21
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000012797 qualification Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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- General Induction Heating (AREA)
Abstract
The utility model discloses an automatic heating device for a rotor of a large alternating current asynchronous induction motor, which comprises a rotor lifting cylinder (1), a rotating motor (2), a turntable (3), a high-frequency heat conducting ring (4), a high-frequency heater (5), a positioning sensor (6), a temperature sensor (7), a cylinder electromagnetic valve (8), an air source processor (9), a rotor alignment detector and a central processing unit, wherein the rotor lifting cylinder is provided with a rotor lifting cylinder; the rotating motor (2) base is arranged on a push rod of the rotor lifting cylinder (1), a rotating shaft of the rotating motor (2) is fixedly connected with the bottom surface of the rotary table (3), a rotor core to be heated is arranged on the rotary table (3), and the high-frequency heat conducting ring (4) is arranged above the rotary table (3) and corresponds to the position of the rotor core to be heated below. The utility model can automatically heat when heating the rotor core of the motor, is environment-friendly and safe, ensures that the heating temperature is accurate and controllable, improves the qualification rate of rotor products, has simple and convenient operation, and is suitable for mass production.
Description
Technical Field
The utility model relates to the technical field of heating devices, in particular to an automatic heating device for a rotor of a large alternating current asynchronous induction motor.
Background
The motor rotor is formed by a rotor shaft and a rotor core sleeved outside the rotor shaft, when the motor rotor is produced and processed, the rotor shaft is placed into a shaft hole of the rotor core by adopting the principles of thermal expansion and cold contraction so as to complete assembly, and the current heating mode of the motor rotor in the industry generally adopts heating furnace internal heating and flame heating, the heating furnace internal heating is used for integrally heating the motor rotor, the heating time is long, the equipment volume is large, and the production cost is high; the flame heating is contact heating, which has the danger of gas explosion and the motor rotor is heated unevenly. The two rotor heating modes are complex in operation, time-consuming and labor-consuming, and the heating temperature cannot be accurately controlled, so that the rotor heating mode is not suitable for mass production.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides the automatic heating device for the rotor of the large alternating current asynchronous induction motor, which is simple and convenient to operate, time-saving and labor-saving, can ensure accurate heating temperature control, has a simple structure and is suitable for mass production.
In order to solve the technical problems, the utility model adopts the automatic rotor heating device of the large alternating current asynchronous induction motor, which comprises a rotor lifting cylinder, a rotating motor, a turntable, a high-frequency heat conducting ring, a high-frequency heater, a positioning sensor, a temperature sensor, a cylinder electromagnetic valve, an air source processor, a rotor alignment detector and a central processing unit; the rotor lifting cylinder push rod is vertically arranged upwards, the rotating motor base is arranged on the rotor lifting cylinder push rod, the rotating motor rotating shaft is fixedly connected with the bottom surface of the rotary table, the rotor iron core to be heated is arranged on the rotary table, the high-frequency heat conducting ring is arranged above the rotary table and corresponds to the position of the rotor iron core to be heated below, the high-frequency heat conducting ring is fixedly connected with the high-frequency heater, a workbench is arranged on the outer side of the rotary table, the high-frequency heater is arranged on the table surface, the positioning sensor and the temperature sensor are arranged on the side frame of the workbench towards the rotor iron core to be heated, the rotor alignment detector is arranged above the high-frequency heat conducting ring and is aligned with the center of the high-frequency heat conducting ring, the rotor lifting cylinder is connected with the air source processor through the cylinder electromagnetic valve, and the rotating motor, the high-frequency heater, the positioning sensor, the temperature sensor, the cylinder electromagnetic valve and the rotor alignment detector are electrically connected with the central processor.
As a preferable implementation mode of the utility model, the lower end of the rotor lifting cylinder is provided with the cylinder chassis, the upper end of the rotor lifting cylinder is provided with the cylinder fixing connecting disc, the rotor lifting cylinder push rod passes through the opening of the cylinder fixing connecting disc upwards, and the edge of the cylinder chassis is fixedly connected with the edge of the cylinder fixing connecting disc through the vertical rod.
As a preferred embodiment of the present utility model, the rotating shaft of the rotating motor is connected to the turntable through a connection flange, and the rotating motor is a stepper motor.
As a preferred implementation mode of the utility model, the turntable is a circular disk, a rotor flange plate is equally arranged on the outer side of the top surface of the turntable, a rotor iron core to be heated is arranged on the rotor flange plate, 2 high-frequency heat conducting rings are arranged in 1 group, and 2 temperature sensors are also arranged in a matched mode.
As a preferred embodiment of the present utility model, the cylinder solenoid valve and the air source processor are mounted on the table column.
As a preferable implementation mode of the utility model, a control display screen is arranged on the upper side of the high-frequency heater, and the control display screen is electrically connected with the central processing unit.
As a preferred embodiment of the present utility model, the positioning sensor is an infrared positioning instrument.
As a preferred embodiment of the present utility model, the temperature sensor is an infrared temperature sensor.
As a preferred embodiment of the present utility model, the rotor alignment detector is an industrial camera detector.
As a preferred embodiment of the utility model, the central processing unit is a single chip microcomputer or an industrial computer or a PLC controller.
After the structure is adopted, the utility model has the following beneficial effects:
the utility model relates to an automatic heating device for a rotor of a large alternating current asynchronous induction motor, which comprises a rotor lifting cylinder, a rotating motor, a turntable, a high-frequency heat conducting ring, a high-frequency heater, a positioning sensor, a temperature sensor, a cylinder electromagnetic valve, an air source processor, a rotor alignment detector and a central processing unit, wherein the rotor lifting cylinder is connected with the turntable; the rotor lifting cylinder push rod is vertically arranged upwards, the rotating motor base is arranged on the rotor lifting cylinder push rod, the rotating motor rotating shaft is fixedly connected with the bottom surface of the rotary table, the rotor iron core to be heated is arranged on the rotary table, the high-frequency heat conducting ring is arranged above the rotary table and corresponds to the position of the rotor iron core to be heated below, the high-frequency heat conducting ring is fixedly connected with the high-frequency heater, a workbench is arranged on the outer side of the rotary table, the high-frequency heater is arranged on the table surface, the positioning sensor and the temperature sensor are arranged on the side frame of the workbench towards the rotor iron core to be heated, the rotor alignment detector is arranged above the high-frequency heat conducting ring and is aligned with the center of the high-frequency heat conducting ring, the rotor lifting cylinder is connected with the air source processor through the cylinder electromagnetic valve, and the rotating motor, the high-frequency heater, the positioning sensor, the temperature sensor, the cylinder electromagnetic valve and the rotor alignment detector are electrically connected with the central processor. When the rotor core is in operation, the rotor core is placed on the rotor flange, the central processing unit controls the rotating motor to rotate the turntable, the rotor alignment detector detects the rotor core, the center of the rotor core is aligned with the center of the high-frequency heat conduction ring upwards, then the central processing unit sends a signal to control the cylinder electromagnetic valve to act, the rotor lifting cylinder guide rod ascends to lift the rotor core to a set position in the high-frequency heat conduction ring, the ascending position of the rotor core is detected and positioned by the positioning sensor, then the central processing unit starts the high-frequency heater, the rotor core is heated through the high-frequency heat conduction ring, the temperature sensor detects the temperature of the rotor core in real time, when the rotor core reaches a preset temperature, the central processing unit controls the cylinder electromagnetic valve to retract the rotor lifting cylinder guide rod, then the central processing unit controls the turntable to rotate, the heated rotor core leaves the lower part of the high-frequency heat conduction ring, meanwhile, the next rotor core rotates to the lower part of the high-frequency heat conduction ring to be ready to be heated, then the rotor shaft is inserted into the heated rotor core, the assembled rotor is cooled and then taken down, and one process is finished. The utility model is automatically controlled by the central processing unit in operation, and the high-frequency heat conducting ring is used for heating the circumferential surface of the rotor core in a surrounding way and automatically switching the rotor core, so that the heating mode is safe and efficient, the pollution is less, the rotor core is uniformly heated, the temperature is accurate and controllable, the product percent of pass is greatly improved, the operation is convenient, and the automatic mass production can be realized.
The utility model has simple structure, convenient implementation, simple installation and operation and low manufacturing cost.
Drawings
The following describes the embodiments of the present utility model in further detail with reference to the drawings.
Fig. 1 is a schematic diagram of a structure of an automatic heating device for a rotor of a large ac asynchronous induction motor according to the present utility model.
Description of the embodiments
Referring to the automatic heating device of the rotor of the large alternating current asynchronous induction motor shown in fig. 1, the automatic heating device comprises a rotor lifting cylinder 1, a rotating motor 2, a turntable 3, a high-frequency heat conducting ring 4, a high-frequency heater 5, a positioning sensor 6, a temperature sensor 7, a cylinder electromagnetic valve 8, an air source processor 9, a rotor alignment detector and a central processing unit; the rotor lifting cylinder 1 push rod is placed vertically upwards, the rotating motor 2 base is mounted on the rotor lifting cylinder 1 push rod, the rotating motor 2 rotating shaft is fixedly connected with the bottom surface of the rotary table 3, the rotor iron core to be heated is placed on the rotary table 3, the high-frequency heat conducting ring 4 is located above the rotary table 3 and corresponds to the position of the rotor iron core to be heated below, the high-frequency heat conducting ring 4 is fixedly connected with the high-frequency heater 5, a workbench 10 is mounted on the outer side of the rotary table 3, the high-frequency heater 5 is mounted on the table surface of the workbench 10, the positioning sensor 6 and the temperature sensor 7 are mounted on the side frame of the workbench 10 towards the rotor iron core to be heated, the rotor alignment detector is mounted above the high-frequency heat conducting ring 4 and aligned with the center of the high-frequency heat conducting ring 4, the rotor lifting cylinder 1 is connected with the air source processor 9 through the cylinder electromagnetic valve 8, the rotating motor 2, the high-frequency heater 5, the positioning sensor 6, the temperature sensor 7, the cylinder electromagnetic valve 8 and the rotor alignment detector are electrically connected with the central processor, and the central processor is not shown in the central processor.
As a preferred embodiment of the present utility model, as shown in fig. 1, a cylinder chassis 11 is installed at the lower end of the rotor lifting cylinder 1, a cylinder fixing connection disc 12 is installed at the upper end of the rotor lifting cylinder 1, a push rod of the rotor lifting cylinder 1 passes through an opening of the cylinder fixing connection disc 12 and protrudes upwards, and the edge of the cylinder chassis 11 is fixedly connected with the edge of the cylinder fixing connection disc 12 through a vertical rod 13.
As a preferred embodiment of the present utility model, as shown in fig. 1, the rotating shaft of the rotating motor 2 is connected to the turntable 3 through a connection flange 14, and the rotating motor 2 is a stepper motor.
As a preferred embodiment of the present utility model, as shown in fig. 1, the turntable 3 is a circular disk, a rotor flange 15 is equally mounted on the outer side of the top surface of the turntable 3, a rotor core to be heated is mounted on the rotor flange 15, 2 high-frequency heat conducting rings 4 are mounted in 1 group, and 2 temperature sensors 7 are also mounted in a matched manner.
As a preferred embodiment of the present utility model, as shown in fig. 1, the cylinder solenoid valve 8 and the air source processor 9 are mounted on a column of the table 10.
As a preferred embodiment of the present utility model, as shown in fig. 1, a control display screen 16 is installed on the upper side of the high-frequency heater 5, the control display screen 16 is electrically connected with the central processing unit, and the control display screen 16 may be used to set and display working parameters such as the rotation speed of the turntable 3 and the heating temperature of the rotor core in real time.
As a preferred embodiment of the present utility model, as shown in fig. 1, the positioning sensor 6 is a commercially available infrared positioning device.
As a preferred embodiment of the present utility model, as shown in fig. 1, the temperature sensor 7 is a commercially available infrared temperature sensor.
As a preferred embodiment of the present utility model, as shown in fig. 1, the rotor alignment detector is a commercially available industrial camera detector.
As a preferred embodiment of the present utility model, as shown in fig. 1, the central processing unit is a single chip microcomputer or an industrial computer or a PLC controller.
When the utility model works, the rotor iron core is placed on the rotor flange 15, the central processing unit controls the rotating motor 2 to rotate the rotary table 3, and the rotor alignment detector detects that the center of the rotor iron core is aligned with the center of the high-frequency heat conduction ring 4 upwards, then the central processing unit sends a signal to control the cylinder electromagnetic valve 8 to act, the guide rod of the rotor lifting cylinder 1 is lifted to lift the rotor iron core to a set position in the high-frequency heat conduction ring 4, the lifting position of the rotor iron core is detected and positioned by the positioning sensor 6, then the central processing unit starts the high-frequency heater 5, heats the rotor iron core through the high-frequency heat conduction ring 4, the temperature sensor 7 detects the temperature of the rotor iron core in real time, when the rotor iron core reaches the preset temperature, the central processing unit controls the cylinder electromagnetic valve 8 to retract the guide rod of the rotor lifting cylinder 1, then the central processing unit controls the rotary table 3 to rotate so that the heated rotor iron core leaves the lower part of the high-frequency heat conduction ring 4, meanwhile, the next rotor iron core is lifted to be heated under the high-frequency heat conduction ring, then the rotor shaft is inserted into the heated rotor iron core, the heated, the rotor is cooled, and taken down, and a process is finished. In actual production, the diameter of the turntable 3 can be increased, and the number of the rotor flange 15 and the high-frequency heat conducting rings 4 can be increased, so that the requirement of mass production of the motor rotor in factories can be met.
Through tests, when the rotor core of the large alternating current asynchronous induction motor is heated, the machine can automatically heat the rotor core of the motor through the control of the central processing unit, no manual intervention is needed, the heating mode is environment-friendly and safe, the heating temperature is uniform and accurately controllable, the qualification rate of the rotor product of the motor is improved, the operation is simple and convenient, and a good effect is achieved.
Claims (10)
1. An automatic heating device for a rotor of a large alternating current asynchronous induction motor is characterized in that: the device comprises a rotor lifting cylinder (1), a rotating motor (2), a turntable (3), a high-frequency heat conducting ring (4), a high-frequency heater (5), a positioning sensor (6), a temperature sensor (7), a cylinder electromagnetic valve (8), an air source processor (9), a rotor alignment detector and a central processing unit; the rotor lifting cylinder (1) push rod is placed perpendicularly upwards, rotating electrical machines (2) base mount is on rotor lifting cylinder (1) push rod, rotating electrical machines (2) pivot with carousel (3) bottom surface fixed connection treats that the heating rotor core is placed on carousel (3), high frequency heat-conducting ring (4) are located carousel (3) top to correspond from top to bottom with the below position of treating the heating rotor core, high frequency heat-conducting ring (4) with high frequency heater (5) fixed connection, carousel (3) outside mount table (10), high frequency heater (5) are installed on table (10) mesa, location sensor (6), temperature sensor (7) are installed towards treating the heating rotor core on workstation (10) side frame, rotor alignment detector is installed high frequency heat-conducting ring (4) top and is aimed at high frequency ring (4) center, rotor lifting cylinder (1) are passed through cylinder (8) and are connected with motor (9), rotor electromagnetic valve (7), air supply (8), high frequency sensor (7), air supply (8), high frequency sensor (8) are connected with the electromagnetic valve (5) and are aligned with the electromagnetic valve (8).
2. The automatic heating device for a rotor of a large ac asynchronous induction motor according to claim 1, wherein: the rotor lifting cylinder comprises a rotor lifting cylinder body, a rotor lifting cylinder base plate (11) is arranged at the lower end of the rotor lifting cylinder body (1), a cylinder fixing connecting disc (12) is arranged at the upper end of the rotor lifting cylinder body (1), a push rod of the rotor lifting cylinder body (1) upwards penetrates out through an opening of the cylinder fixing connecting disc (12), and the edge of the cylinder base plate (11) is fixedly connected with the edge of the cylinder fixing connecting disc (12) through a vertical rod (13).
3. The automatic heating device for a rotor of a large ac asynchronous induction motor according to claim 1 or 2, characterized in that: the rotating shaft of the rotating motor (2) is connected with the rotary table (3) through a connecting flange plate (14), and the rotating motor (2) is a stepping motor.
4. The automatic heating device for a rotor of a large ac asynchronous induction motor according to claim 1, wherein: the rotary table (3) is a circular plate, a rotor flange plate (15) is equally arranged on the outer side of the top surface of the rotary table (3), a rotor iron core to be heated is arranged on the rotor flange plate (15), 2 high-frequency heat conducting rings (4) are arranged in 1 group, and 2 temperature sensors (7) are also arranged in a matched mode.
5. The automatic heating device for a rotor of a large ac asynchronous induction motor according to claim 1, wherein: the air cylinder electromagnetic valve (8) and the air source processor (9) are arranged on a table column of the workbench (10).
6. The automatic heating device for a rotor of a large ac asynchronous induction motor according to claim 1, wherein: and a control display screen (16) is arranged on the upper side of the high-frequency heater (5), and the control display screen (16) is electrically connected with the central processing unit.
7. The automatic heating device for a rotor of a large ac asynchronous induction motor according to claim 1, wherein: the positioning sensor (6) is an infrared positioning instrument.
8. The automatic heating device for a rotor of a large ac asynchronous induction motor according to claim 1, wherein: the temperature sensor (7) is an infrared temperature sensor.
9. The automatic heating device for a rotor of a large ac asynchronous induction motor according to claim 1, wherein: the rotor alignment detector is an industrial camera detector.
10. The automatic heating device for a rotor of a large ac asynchronous induction motor according to claim 1, wherein: the central processing unit is a singlechip or an industrial computer or a PLC controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322311595.XU CN220692973U (en) | 2023-08-28 | 2023-08-28 | Automatic heating device for rotor of large-sized alternating current asynchronous induction motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322311595.XU CN220692973U (en) | 2023-08-28 | 2023-08-28 | Automatic heating device for rotor of large-sized alternating current asynchronous induction motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220692973U true CN220692973U (en) | 2024-03-29 |
Family
ID=90409171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322311595.XU Active CN220692973U (en) | 2023-08-28 | 2023-08-28 | Automatic heating device for rotor of large-sized alternating current asynchronous induction motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220692973U (en) |
-
2023
- 2023-08-28 CN CN202322311595.XU patent/CN220692973U/en active Active
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