CN222531457U - Servo transmission device for press - Google Patents
Servo transmission device for press Download PDFInfo
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- CN222531457U CN222531457U CN202421203989.1U CN202421203989U CN222531457U CN 222531457 U CN222531457 U CN 222531457U CN 202421203989 U CN202421203989 U CN 202421203989U CN 222531457 U CN222531457 U CN 222531457U
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- main shaft
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- servo
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 31
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 15
- 238000001816 cooling Methods 0.000 claims description 9
- 239000000110 cooling liquid Substances 0.000 claims description 3
- 230000009977 dual effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
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Abstract
本实用新型涉及压力机用伺服传动装置，包括两台永磁伺服电机与同一主轴连接，通过伺服运动控制系统实现双电机同扭矩驱动主轴旋转和定点停止。永磁伺服电机包括定子和转子，定子与转子之间通过磁隙产生转矩旋转，定子直接固定在机身上，转子为空心轴结构，直接套在设备主轴上。也可以在永磁伺服电机与主轴之间增设行星减速机放大扭矩。通过旋转编码器可以检测主轴的转速和位置，配合制动器实现定点制动，可实现大转矩的快速启停替代传统机械离合器功能，实现传统机械设备的伺服驱动。
The utility model relates to a servo transmission device for a press machine, including two permanent magnet servo motors connected to the same main shaft, and realizing dual motors driving the main shaft to rotate and stop at a fixed point with the same torque through a servo motion control system. The permanent magnet servo motor includes a stator and a rotor, and torque rotation is generated between the stator and the rotor through a magnetic gap. The stator is directly fixed on the machine body, and the rotor is a hollow shaft structure, which is directly sleeved on the main shaft of the equipment. A planetary reducer can also be added between the permanent magnet servo motor and the main shaft to amplify the torque. The rotation speed and position of the main shaft can be detected by a rotary encoder, and fixed-point braking can be achieved in conjunction with a brake, so that rapid start and stop with large torque can be achieved to replace the traditional mechanical clutch function and realize the servo drive of traditional mechanical equipment.
Description
Technical field:
the utility model relates to the technical field of press transmission, in particular to a servo transmission device for a press.
The background technology is as follows:
At present, large torque transmission devices such as a mechanical press and a hot forging press are all driven by a mechanical clutch, and a motor drives a working mechanism to apply process force to a workpiece through a transmission mechanism and the clutch during working. Although the transmission structure can meet the processing requirement, the motor has the problems of high continuous idle energy consumption, mechanical friction transmission, low efficiency, high noise and the like. With the continuous development of the permanent magnet servo motor technology, the advantages of energy conservation, high efficiency, precision and low noise are widely accepted, so that the permanent magnet servo motor technology is necessarily applied to a press machine, and the defects of the conventional clutch transmission are overcome.
The foregoing is not necessarily a prior art, and falls within the technical scope of the inventors.
The utility model comprises the following steps:
The utility model aims to solve the problems in the prior art and provide a servo transmission device for a press machine, which has the advantages of reasonable structural design, direct connection of a motor and a main shaft, no intermediate transmission process, high transmission efficiency, no idling of the motor, good energy-saving effect of the self-contained permanent magnet, no transmission mechanical noise, low noise, servo drive and the like.
The utility model realizes the aim by adopting the following technical scheme:
The servo transmission device for the press machine comprises two permanent magnet servo motors, wherein the two permanent magnet servo motors are respectively arranged on two sides of a main shaft, the main shaft is rotatably arranged on a machine body, the permanent magnet servo motors comprise stators and rotors, the stators are arranged on the machine body, the rotors are arranged on the main shaft, torque rotation is generated between the stators and the rotors through magnetic gaps, a brake is arranged at one end of the main shaft, and a rotary encoder is arranged at the other end of the main shaft.
The rotor center is equipped with the mounting hole, the rotor cover is established on the main shaft, just be equipped with the key of transmission power between rotor and the main shaft.
And a planetary reducer is connected between the permanent magnet servo motor and the main shaft.
The planetary reducer comprises a gear ring arranged on a machine body, an outer cover is arranged on the outer side of the gear ring, an inner cover is arranged on the inner side of the gear ring, an input shaft is arranged at the center of the outer cover in a rotating mode, a sun gear is arranged on the input shaft, three planetary gears are arranged between the sun gear and the gear ring, an input planet carrier is arranged on the outer side of each planetary gear, an output planet carrier is arranged on the inner side of each planetary gear, an output shaft is arranged on the center of the inner cover in a rotating mode, the output planet carrier is connected with the output shaft, and the output shaft is connected with the main shaft.
And a circulating cooling channel is arranged on the machine body corresponding to the stator position, and cooling liquid is filled in the circulating cooling channel and used for cooling the permanent magnet servo motor.
The utility model adopts the structure, and has the following beneficial effects:
The two permanent magnet servo motors are directly connected with the main shaft to replace the traditional mechanical clutch transmission, low-speed large-torque driving is realized, no intermediate transmission process is adopted, the transmission efficiency is high, the motor does not idle, the energy-saving effect of the self-contained permanent magnet is good, no transmission mechanical noise is generated, the noise is low, and the servo driving can be realized. The permanent magnet servo motor is connected with the main shaft through the planetary reducer to amplify torque. The rotating speed and the position of the main shaft can be detected through the rotary encoder, and fixed-point braking is realized by matching with a brake. The servo motion control system realizes that the double motors drive the main shaft to rotate and stop at fixed points with the same torque.
Description of the drawings:
FIG. 1 is a schematic view of a servo drive for a press according to the present utility model;
FIG. 2 is a schematic diagram of a structure in which a planetary reducer is added between a permanent magnet servo motor and a main shaft;
FIG. 3 is a cross-sectional view of the planetary reducer of the present utility model;
FIG. 4 is an exploded view of the planetary reducer of the present utility model;
FIG. 5 is an exploded view of the planetary reducer of the present utility model from another perspective;
In the figure, 1, a permanent magnet servo motor, 101, a stator, 102, a rotor, 103, a mounting hole, 2, a main shaft, 3, a machine body, 4, a brake, 5, a rotary encoder, 6, a planetary reducer, 601, a gear ring, 602, an outer cover, 603, an inner cover, 604, an input shaft, 605, a sun gear, 606, a planetary gear, 607, an input planetary carrier, 608, an output planetary carrier, 609, an output shaft, 7 and a circulating cooling channel.
The specific embodiment is as follows:
In order to more clearly illustrate the general inventive concept, a detailed description is given below by way of example with reference to the accompanying drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways than those described herein, and therefore the scope of the present utility model is not limited to the specific embodiments disclosed below.
In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments.
Furthermore, the terms "outboard," "inboard," "axial," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the location of an indicated feature.
In the present utility model, unless explicitly stated or limited otherwise, the terms "mounted," "configured," "connected," "disposed," and the like are to be construed broadly, and may, for example, be fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, or in communication, directly connected, or indirectly connected via an intervening medium, or may be in communication with each other or the interaction of two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
As shown in fig. 1-5, the servo transmission device for the press comprises two permanent magnet servo motors 1, wherein the two permanent magnet servo motors 1 are respectively arranged on two sides of a main shaft 2, the main shaft 2 is rotatably arranged on a machine body 3, the permanent magnet servo motors 1 comprise a stator 101 and a rotor 102, the stator 101 is arranged on the machine body 3, the rotor 102 is arranged on the main shaft 2, torque rotation is generated between the stator 101 and the rotor 102 through a magnetic gap, a brake 4 is arranged at one end of the main shaft 2, and a rotary encoder 5 is arranged at the other end of the main shaft 2. The two permanent magnet servo motors 1 are directly connected with the main shaft 2 to replace the traditional mechanical clutch transmission, low-speed large-torque driving is realized, no intermediate transmission process is adopted, the transmission efficiency is high, the motor has no idling, the energy-saving effect of the self-contained permanent magnet is good, no transmission mechanical noise is generated, the noise is low, and the servo driving can be realized.
The center of the rotor 102 is provided with a mounting hole 103, the rotor 102 is sleeved on the main shaft 2, and a key for transmitting power is arranged between the rotor 102 and the main shaft 2. The sleeve connection mode is adopted, and the device has the advantages of convenience in installation, compactness in installation, reliability in power transmission and the like.
A planetary reducer 6 is connected between the permanent magnet servo motor 1 and the main shaft 2. The output torque can be further increased by the design of the planetary reducer 6.
The planetary reducer 6 comprises a gear ring 601 arranged on the machine body 3, an outer cover 602 is arranged on the outer side of the gear ring 601, an inner cover 603 is arranged on the inner side of the gear ring, an input shaft 604 is arranged on the center of the outer cover 602 in a rotating mode, a sun gear 605 is arranged on the input shaft 604, three planetary gears 606 are arranged between the sun gear 605 and the gear ring 601, an input planet carrier 607 is arranged on the outer side of each planetary gear 606, an output planet carrier 608 is arranged on the inner side of each planetary gear 606, an output shaft 609 is arranged on the center of the inner cover 603 in a rotating mode, the output planet carrier 608 is connected with the output shaft 609, and the output shaft 609 is connected with the main shaft 2. A specific structural form of the planetary reducer 6 is given, and connection with the rotor 102 and the main shaft 2 is achieved.
The machine body 3 is provided with a circulating cooling channel 7 corresponding to the stator 101, and cooling liquid is filled in the circulating cooling channel 7 to cool the permanent magnet servo motor 1. The temperature of the permanent magnet servo motor 1 is controlled to be in the optimal temperature working range.
The above embodiments are not to be taken as limiting the scope of the utility model, and any alternatives or modifications to the embodiments of the utility model will be apparent to those skilled in the art and fall within the scope of the utility model.
The present utility model is not described in detail in the present application, and is well known to those skilled in the art.
Claims (5)
1. The servo transmission device for the press machine is characterized by comprising two permanent magnet servo motors, wherein the two permanent magnet servo motors are respectively arranged on two sides of a main shaft, the main shaft is rotatably arranged on a machine body, the permanent magnet servo motors comprise a stator and a rotor, the stator is arranged on the machine body, the rotor is arranged on the main shaft, torque rotation is generated between the stator and the rotor through a magnetic gap, a brake is arranged at one end of the main shaft, and a rotary encoder is arranged at the other end of the main shaft.
2. The servo transmission device for the press machine according to claim 1, wherein the rotor is provided with a mounting hole at the center thereof, the rotor is sleeved on the main shaft, and a key for transmitting power is provided between the rotor and the main shaft.
3. The servo transmission device for a press machine according to claim 1 or 2, wherein a planetary reducer is connected between the permanent magnet servo motor and the main shaft.
4. The servo transmission device for a press machine according to claim 3, wherein the planetary reducer comprises a gear ring provided on the machine body, an outer cover is provided on the outer side of the gear ring, an inner cover is provided on the inner side of the gear ring, an input shaft is provided on the outer cover by rotation of the center, a sun gear is provided on the input shaft, three planetary gears are provided between the sun gear and the gear ring, an input planetary carrier is provided on the outer side of the planetary gears, an output planetary carrier is provided on the inner side of the planetary gears, an output shaft is provided on the inner cover by rotation of the inner cover, the output planetary carrier is connected with the output shaft, and the output shaft is connected with the main shaft.
5. The servo transmission device for the press machine according to claim 1 or 4, wherein a circulating cooling channel is arranged on the machine body corresponding to the stator position, and cooling liquid is filled in the circulating cooling channel for cooling the permanent magnet servo motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421203989.1U CN222531457U (en) | 2024-05-29 | 2024-05-29 | Servo transmission device for press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421203989.1U CN222531457U (en) | 2024-05-29 | 2024-05-29 | Servo transmission device for press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222531457U true CN222531457U (en) | 2025-02-25 |
Family
ID=94683129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421203989.1U Active CN222531457U (en) | 2024-05-29 | 2024-05-29 | Servo transmission device for press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222531457U (en) |
-
2024
- 2024-05-29 CN CN202421203989.1U patent/CN222531457U/en active Active
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