CN219304592U

CN219304592U - Integrated servo motor

Info

Publication number: CN219304592U
Application number: CN202320360562.1U
Authority: CN
Inventors: 胡燕祥; 王云慧; 刘科学; 柯文成; 曹虹
Original assignee: Shanghai Ensure Automation Technology Co ltd
Current assignee: Shanghai Ensure Automation Technology Co ltd
Priority date: 2023-02-28
Filing date: 2023-02-28
Publication date: 2023-07-04
Anticipated expiration: 2033-02-28

Abstract

The utility model discloses an integrated servo motor, which comprises a motor body, wherein the rear end of the motor body is connected with a rear end cover, the rear end of the rear end cover is connected with a tail cover, the upper part of the rear end cover is connected with a middle structural part, the upper part of the middle structural part is connected with a driving cover, a driver is arranged in the driving cover, a cooling fan is arranged at the upper end of the driving cover, a fan cover is arranged at the top of the driving cover, an encoder on the motor body is positioned in the rear end cover, and a plurality of aviation sockets are arranged at the top of the tail cover.

Description

Integrated servo motor

Technical Field

The utility model relates to a low-voltage permanent magnet synchronous servo motor, in particular to an integrated servo motor.

Background

A permanent magnet synchronous servo motor (Permanent Magnet Synchronous Motor, abbreviated as PMSM) is one type of ac permanent magnet servo motor. The permanent magnet synchronous motor has the advantages of simple structure, small volume, light weight, small loss, high efficiency, high power factor and the like, and is mainly used for a high-performance servo transmission system with quick response, wide speed regulation range and accurate positioning.

A servo driver (servo drivers), also called "servo controller" and "servo amplifier", is a controller for controlling a servo motor, which acts like a frequency converter on a common ac motor, is part of a servo system, and is mainly applied to a high-precision positioning system. The servo motor is controlled in three modes of position, speed and moment generally, so that the positioning of a transmission system with high precision is realized, and the servo motor is a high-end product of a transmission technology.

However, the servo system formed by the servo motor and the servo driver is large in size, and meanwhile, the dustproof and waterproof performances of the servo driver are poor, and only IP20 is usually used. In some use scenes, the installation space is smaller, the size ratio of the combined servo motor and the servo driver is large, the matched cable is high in cost, and the requirements of most users cannot be met.

Disclosure of Invention

The utility model discloses an integrated servo motor, which improves the dustproof and waterproof performance, the space efficiency and the economy of the motor.

In order to solve the technical problems, the utility model adopts the following technical scheme:

Further, the front end of the rear end cover is provided with a spacer block, a bearing seat is arranged in the middle of the front end of the spacer block, the rear end of the spacer block is provided with an encoder seat, the center of the spacer block is provided with a wire harness via hole, and the top of the rear end cover is provided with a wire harness via hole.

Further, the rear end of the spacer block is provided with 2 mounting ring plates, and the encoder seat is mounted on the mounting ring plates.

Further, a first sealing gasket is arranged between the rear end cover and the tail cover, a second sealing gasket is arranged between the rear end cover and the middle structural member, and a third sealing gasket is arranged between the middle structural member and the driving cover.

Further, the front end of the tail cover is provided with a first water retaining ring, a first sealing gasket is arranged on the outer side of the first water retaining ring, a second water retaining ring is arranged on the middle structural member, and a third sealing gasket is arranged on the outer side of the second water retaining ring.

Further, all be equipped with a plurality of heat dissipation wind channel on four sides of driving cover, the upper end of driving cover is equipped with the heat dissipation muscle, and the fan housing is equipped with the louvre.

Further, the second sealing gasket is provided with a first wire harness via hole, the first wire harness via hole is coaxial with the wire harness via hole at the top of the rear end cover, and the diameter of the first wire harness via hole is larger than that of the wire harness via hole.

Further, aviation sockets are arranged in 3 and are respectively connected with the motor power cable, the encoder cable and the communication cable.

Further, the shell of the motor body and the driving cover are made of aluminum alloy.

The beneficial effects of the utility model are as follows:

on the basis of a conventional permanent magnet synchronous servo motor, the utility model redesigns the structural designs of the driving cover, the rear end cover and the like, thereby effectively improving the dustproof and waterproof grade of the servo motor, reducing the overall cost of the servo system, improving the electromagnetic compatibility of the servo system and simplifying the field wiring process.

Drawings

The utility model will be described in further detail with reference to the drawings and the detailed description.

FIG. 1 is a schematic diagram of an embodiment of the present utility model.

FIG. 2 is an exploded view of an embodiment of the present utility model.

Fig. 3 is a schematic view of a rear end cap according to an embodiment of the present utility model.

Fig. 4 is a schematic view of a rear end cap according to another embodiment of the present utility model.

FIG. 5 is a schematic view of a tail cover according to an embodiment of the present utility model.

FIG. 6 is a schematic view of a tail cover according to another embodiment of the present utility model.

Fig. 7 is a schematic view of an intermediate structural member according to an embodiment of the present utility model.

Fig. 8 is a schematic view of an intermediate structural member according to an embodiment of the present utility model.

FIG. 9 is a schematic diagram of a driving cover according to an embodiment of the utility model.

FIG. 10 is a schematic view of a driving cover according to an embodiment of the utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present utility model.

As shown in the figure, the utility model discloses an integrated servo motor, which comprises a motor body 1, wherein the rear end of the motor body 1 is connected with a rear end cover 2, the rear end of the rear end cover 2 is connected with a tail cover 3, the upper part of the rear end cover 2 is connected with a middle structural part 4, the upper part of the middle structural part 4 is connected with a driving cover 5, a driver 15 is arranged in the driving cover 5, a cooling fan 6 is arranged at the upper end of the driving cover 5, a fan cover 7 is arranged at the top of the driving cover 5, an encoder on the motor body 1 is positioned in the rear end cover 2, and a plurality of aviation sockets 8 are arranged at the top of the tail cover 3.

After the heat generated by the driver 15 is conducted to the driving cover 5 through the shell, the heat is blown against the driving cover 5 by the cooling fan 6, and the heat is taken away, so that the heat dissipation design index of the product is achieved.

The fan cover 7 is used for protecting the waterproof radiator fan 6 and preventing external sundries from damaging the waterproof radiator fan 6.

The middle section and the top of the rear end cover are provided with threading holes, a motor power cable can be connected to a driver above through the threading holes, and an encoder cable can also be connected to the driver above through the top of the rear end cover;

the 3 IP67 waterproof aviation sockets on the tail cover are connected with power supply, communication, IO and other cables, pass through the tail cover and the cavity at the rear end of the rear end cover, and are connected to the driver above the top of the rear end cover;

the motor power cable, the encoder cable and the communication cable are all wrapped with shielding nets, and the three groups of cables are arranged separately, so that mutual interference is avoided, and the electromagnetic compatibility of the integrated servo motor is improved.

In an embodiment of the utility model, the front end of the rear end cover 2 is provided with a spacer block 9, a bearing seat 10 is arranged in the middle of the front end of the spacer block 9, the rear end of the spacer block 9 is provided with an encoder seat 11, the center of the spacer block 9 is provided with a wire harness via hole 91, and the top of the rear end cover 2 is provided with a wire harness via hole 21.

In one embodiment of the utility model, the spacer 9 has 2 mounting ring plates 92 at its rear end, and the encoder housing 11 is mounted on the mounting ring plates 92.

In an embodiment of the present utility model, a first gasket 12 is disposed between the rear end cover 2 and the tail cover 3, a second gasket 13 is disposed between the rear end cover 2 and the intermediate structural member 4, and a third gasket 14 is disposed between the intermediate structural member 4 and the driving cover 5. Sealing improves the integral dustproof and waterproof performance of the integrated servo motor after the driver 10 is integrated

In an embodiment of the present utility model, a first water blocking ring 31 is disposed at the front end of the tail cover 3, the first sealing pad 12 is disposed outside the first water blocking ring 31, a second water blocking ring 41 is disposed on the intermediate structural member 4, and the third sealing pad 14 is disposed outside the second water blocking ring 41.

In an embodiment of the present utility model, the four sides of the driving cover 5 are provided with a plurality of heat dissipation air channels 51, the upper end of the driving cover 5 is provided with heat dissipation ribs 52, and the fan cover 6 is provided with heat dissipation holes 61. After the heat generated by the driver 15 is conducted to the heat dissipation ribs 52 of the driving cover 5, the heat dissipation fan 6 blows air against the heat dissipation ribs 52 and takes away the heat along the heat dissipation air duct 51 so as to achieve the heat dissipation design index of the product.

The driver is a high power density driver.

In an embodiment of the present utility model, the second sealing pad 13 is provided with a first wire harness via 131, the first wire harness via 131 is coaxial with the wire harness via 21 on the top of the rear end cover 2, and the diameter of the first wire harness via 131 is larger than that of the wire harness via.

In one embodiment of the present utility model, the aviation sockets 8 are provided in 3 numbers, and are respectively connected with the motor power cable, the encoder cable and the communication cable.

In an embodiment of the utility model, the shell of the motor body and the driving cover are made of aluminum alloy, so that the heat transfer and heat dissipation effects can be further improved.

Sealing is made between the front end cover on the motor body 1 and the shell by using a sealing ring and sealant, so that the dustproof and waterproof performance of the motor body 1 is effectively improved.

The waterproof aviation socket adopts an IP67 protection grade product, and meanwhile, a waterproof cover accessory is added on the aviation socket, so that the waterproof failure problem caused by improper external wiring is avoided;

the cooling fan adopts IP67 protection grade products, thereby effectively avoiding the faults caused by the water inlet of the fan.

The utility model can be directly arranged near an executing mechanism on the user site, a power cable and an encoder cable of the motor do not need to be connected into the electric control cabinet, the cost of the cable is saved, and the size cost of the electric control cabinet on the user site is greatly reduced;

the power supply cable and the communication cable are integrated into a whole by adopting a composite cable, so that a user can finish the wiring of the integrated servo motor by using a single cable, the wiring process is simplified, and meanwhile, the cable cost is saved;

the I/O cable on the driver can be connected to a sensor matched with the user site actuating mechanism from the integrated servo motor nearby, so that the control of a user is facilitated, and the cable cost is saved.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides an integration servo motor, a serial communication port, including motor body, motor body's rear end is connected with the rear end cap, and the rear end cap rear end is connected the tail housing, and intermediate structure spare is connected on the upper portion of rear end cap, and the upper portion of intermediate structure spare is connected the driving housing, and the internally mounted driver of driving housing, radiator fan is installed to the upper end of driving housing, and the fan housing is installed at the top of driving housing, and the encoder on the motor body is located the rear end cap, and the top of tail housing is equipped with a plurality of aviation socket.

2. The integrated servo motor of claim 1, wherein the front end of the rear end cover is provided with a spacer block, a bearing seat is arranged in the middle of the front end of the spacer block, the rear end of the spacer block is provided with an encoder seat, the center of the spacer block is provided with a wire harness via hole, and the top of the rear end cover is provided with a wire harness via hole.

3. An integrated servo motor according to claim 2 wherein the spacer has 2 mounting ring plates at the rear end and the encoder housing is mounted on the mounting ring plates.

4. The integrated servo motor of claim 1, wherein a first gasket is disposed between the rear end cap and the tail cap, a second gasket is disposed between the rear end cap and the intermediate structural member, and a third gasket is disposed between the intermediate structural member and the drive cap.

5. The integrated servo motor of claim 4, wherein the first sealing gasket is arranged on the outer side of the first water retaining ring, the second water retaining ring is arranged on the middle structural member, and the third sealing gasket is arranged on the outer side of the second water retaining ring.

6. The integrated servo motor according to claim 1, wherein the four sides of the driving cover are provided with a plurality of heat dissipation air channels, the upper end of the driving cover is provided with heat dissipation ribs, and the fan cover is provided with heat dissipation holes.

7. The integrated servo motor of claim 4 wherein the second gasket has a first wire harness via coaxial with the wire harness via on the top of the rear end cap, the first wire harness via having a larger diameter than the wire harness via.

8. The integrated servo motor of claim 1, wherein the number of aviation sockets is 3, and the aviation sockets are respectively connected with a motor power cable, an encoder cable and a communication cable.

9. The integrated servo motor of claim 1 wherein the housing and the drive housing of the motor body are aluminum alloy.