阅读说明：本技术 一体化伺服减速电机 (Integrated servo speed reducing motor ) 是由 王丽蕊 王文豪 王庆会 伍活民 王文帅 何丹丹 莫活记 伍超荣 于 2019-12-13 设计创作，主要内容包括：本发明公开了一种一体化伺服减速电机,包括：电机本体、驱动装置、减速装置、散热装置,所述电机本体包括壳体、第一端盖、第二端盖,所述第一端盖、第二端盖分别设置在所述壳体的两端,所述壳体内设置有机芯,所述驱动装置包括后罩和设置在所述后罩内的PCB板,所述PCB板包括驱动电路及与所述驱动电路连接编码器、控制芯片、无线通迅模块、USB接口,所述驱动装置设置在所述电机本体的一侧,所述散热装置活动设置在所述后罩的外部。本发明结构紧凑、体积小、精度高、寿命长、防护等级高,且成本低,易于维护,将绝对值编码和伺服驱动做成一体,减少了外部所有电磁干扰对编码器的影响,并且提高了编码器与伺服驱动的速度,提高了整机性能及稳定性。(The invention discloses an integrated servo speed reduction motor, which comprises: motor body, drive arrangement, decelerator, heat abstractor, motor body includes casing, first end cover, second end cover set up respectively the both ends of casing, be provided with the core in the casing, drive arrangement includes the back shroud and sets up PCB board in the back shroud, PCB board include drive circuit and with drive circuit connects encoder, control chip, wireless communication module, USB interface, drive arrangement sets up one side of motor body, the heat abstractor activity sets up the outside of back shroud. The invention has compact structure, small volume, high precision, long service life, high protection level, low cost and easy maintenance, integrates absolute value coding and servo driving, reduces the influence of all external electromagnetic interference on the coder, improves the speed of the coder and the servo driving, and improves the performance and the stability of the whole machine.)

1. Integration servo gear motor, its characterized in that includes:

the motor comprises a motor body, a motor core and a motor body, wherein the motor body comprises a shell, a first end cover and a second end cover, the first end cover and the second end cover are respectively arranged at two ends of the shell, and the shell is internally provided with the motor core;

the driving device comprises a rear cover and a PCB arranged in the rear cover, the PCB comprises a driving circuit, an encoder, a control chip, a wireless communication module and a USB interface, and the encoder, the control chip, the wireless communication module and the USB interface are connected with the driving circuit;

the heat dissipation device is movably arranged outside the rear cover;

and the speed reduction device is arranged inside the movement.

2. The integrated servo gear motor of claim 1, wherein the heat sink comprises a heat sink and/or a heat sink fan, and the heat sink is detachably connected to the rear housing.

3. The integrated servo gear motor of claim 1, wherein the first end cover and the second end cover are respectively provided with a first sealing boss and a second sealing boss at the inner sides thereof, the first sealing boss and the second sealing boss are circular, grooves for placing sealing rings are embedded in the outer side surfaces of the first sealing boss and the second sealing boss, and the sealing bosses and the sealing rings are used for ensuring the protection grade of the motor.

4. The integrated servo deceleration motor according to claim 3, wherein a first circular cavity and a second circular cavity are respectively embedded in the middle of the first sealing boss and the second sealing boss, bearings are respectively installed in the first circular cavity and the second circular cavity, a first circular through hole and a second circular through hole for installing a motor shaft are arranged at the center positions of the first circular cavity and the second circular cavity in a penetrating manner, the central axes of the first circular through hole, the second circular through hole, the first circular cavity and the second circular cavity are coincident, and a bearing fixing cover is detachably installed on the top surface of the second circular cavity.

5. The integrated servo gear motor of claim 1, wherein a plurality of first mounting holes and first fixing holes are formed through the top surface of the first end cover, a plurality of second fixing holes and a plurality of first threaded holes are formed through the top surface of the second end cover, respectively, an annular supporting rib is arranged on the outer side of the second end cover, and the annular supporting rib is coincident with the central axis of the second circular through hole.

6. The integrated servo gear motor of claim 1, further comprising a connecting bracket, wherein the connecting bracket is a rectangular cavity with an opening on the top surface, a third circular through hole matched with the outer surface of the annular supporting rib is arranged on the bottom surface of the connecting bracket in a penetrating manner, and the connecting bracket is provided with a plurality of first connecting holes matched with the first threaded holes and a plurality of abdicating holes.

7. The integrated servo gear motor as claimed in claim 1, wherein the rear cover is a rectangular housing structure, a plurality of second fixing holes matched with the first connecting holes are formed in the bottom of the rear cover in a penetrating manner, an elliptical hole is formed in the side face of the rear cover in a penetrating manner, the elliptical hole corresponds to the USB interface, a dust cover is movably arranged on the outer side of the elliptical hole, and a circular wire hole and a connector fixing hole are formed in the other side face of the rear cover in a penetrating manner.

8. The integrated servo deceleration motor of claim 1, wherein the housing has a hollow cylindrical shape and two ends respectively matching with the first and second sealing bosses, and wherein the housing has two ends respectively matching with the second and third screw holes, the second screw holes respectively matching with the first fixing holes, and the third screw holes respectively matching with the second fixing holes.

9. The integrated servo gear motor of claim 1, further comprising a connecting wire, wherein one end of the connecting wire is connected to a power connector, a fan connector, a control signal connector and/or a communication connector, respectively, and the other end of the connecting wire is connected to the PCB.

10. The integrated servo gear motor of claim 1, wherein the wireless communication module comprises a WIFI module and a Bluetooth module.

Technical Field

The invention relates to the technical field of servo motors, in particular to an integrated servo speed reduction motor.

Background

The servo motor is an engine for controlling mechanical elements to operate in a servo system, and is an auxiliary motor indirect speed changing device. In an automatic control system, an actuator is used to convert a received electrical signal into an angular displacement or velocity output on the motor shaft. The servo motor can control speed and position accuracy accurately, can convert voltage signals into torque and rotating speed, and is divided into two categories of direct current servo motors and alternating current servo motors. Up to now, most of high-performance electric servo systems adopt permanent magnet synchronous alternating current servo motors, and most of control drivers adopt all-digital position servo systems with rapid and accurate positioning, and the high-performance electric servo systems are mainly applied to high-precision positioning systems.

However, in the prior art, because the rotary encoder is often installed on the servo motor, the existing encoder and the rotor shaft have relative axial movement, the use performance of the encoder is poor, and the fixing structure of the encoder and the motor is very complex, so that the whole motor is large in size.

Disclosure of Invention

The invention aims to solve the technical problem of providing an integrated servo speed reduction motor which integrates a motor body, a servo drive and an encoder into a whole, has light weight, small volume, low noise and convenient use.

In order to solve the technical problems, the technical scheme of the invention is as follows:

integration servo gear motor includes:

the motor comprises a motor body, a motor core and a motor core, wherein the motor body comprises a shell and a first end cover, a second end cover, the first end cover and the second end cover are respectively arranged at two ends of the shell, and the shell is internally provided with the motor core;

the driving device comprises a rear cover and a PCB arranged in the rear cover, the PCB comprises a driving circuit, an encoder, a control chip and a USB interface, the encoder, the control chip and the USB interface are connected with the driving circuit, and the driving device is arranged on one side of the motor body;

the heat dissipation device is movably arranged outside the rear cover;

and the speed reduction device is arranged inside the movement.

Preferably, the heat dissipation device comprises a heat dissipation fin and/or a heat dissipation fan, and the heat dissipation device is detachably connected with the rear cover.

Preferably, the inner sides of the first end cover and the second end cover are respectively provided with a first sealing boss and a second sealing boss, the first sealing boss and the second sealing boss are circular, grooves for placing sealing rings are embedded in the outer side surfaces of the first sealing boss and the second sealing boss, and the sealing bosses and the sealing rings are used for guaranteeing the protection grade of the motor.

Preferably, the middle part embedding of first sealed boss, the sealed boss of second is provided with first circular cavity, the circular cavity of second, install the bearing in first circular cavity, the circular cavity of second respectively, the central point of first circular cavity, the circular cavity of second runs through first circular through-hole, the circular through-hole of second that is equipped with the installation motor shaft, the central axis coincidence of first circular through-hole, the circular through-hole of second, the circular cavity of first circular cavity, second, can dismantle on the top surface of the circular cavity of second and be provided with bearing fixing cover.

Preferably, the top surface of the first end cover is provided with a plurality of first mounting holes and a plurality of first fixing holes in a penetrating manner, the top surface of the second end cover is provided with a plurality of second fixing holes and a plurality of first threaded holes in a penetrating manner, the outer side of the second end cover is provided with an annular supporting rib, and the annular supporting rib is overlapped with the central axis of the second circular through hole.

Preferably, still include linking bridge, linking bridge is equipped with open-ended rectangle cavity for the top surface, linking bridge's bottom surface run through be equipped with one with the surface assorted third circular through-hole of annular brace rod, be equipped with on the linking bridge a plurality of with first screw hole assorted first connecting hole and a plurality of hole of stepping down.

Preferably, the back shroud is rectangle shell structure, the bottom of back shroud run through be equipped with a plurality ofly with first connecting hole assorted second fixed orifices, the side of back shroud runs through and is equipped with the elliptical aperture, the elliptical aperture with the USB interface is corresponding, the outside activity in elliptical aperture is equipped with the shield, the another side of back shroud runs through and is equipped with circular pin hole and connector fixed orifices.

Preferably, the inside of casing is equipped with and holds the chamber, it is hollow cylinder to hold the chamber, hold the both ends in chamber respectively with first sealed boss, the sealed boss phase-match of second, the both ends of casing are equipped with a plurality of second screw holes and a plurality of third screw hole, and is a plurality of the second screw hole respectively with first fixed orifices matches, and is a plurality of the third screw hole respectively with second fixed orifices matches.

Preferably, the PCB further comprises a connecting wire, one end of the connecting wire is connected with a power connector, a fan connector, a control signal connector and/or a communication connector respectively, and the other end of the connecting wire is connected with the PCB.

Preferably, the wireless communication module comprises a WIFI module and a bluetooth module.

The invention has the beneficial effects that:

the integrated servo speed reducing motor has the advantages of compact structure, small volume, high precision, long service life, high protection level, low cost and easy maintenance, and integrates the absolute value encoder and the servo drive control board into a whole, thereby reducing the influence of all external electromagnetic interference on the encoder, improving the communication speed of the encoder and the servo drive, and improving the overall performance and stability.

Drawings

FIG. 1 is a front view of an integrated servo motor according to an embodiment of the present invention;

FIG. 2 is a top view of an integrated servo motor according to an embodiment of the present invention;

fig. 3 is a perspective view of an integrated servo deceleration motor according to an embodiment of the present invention.

In the figure, 1-shell, 2-first end cover, 3-second end cover, 4-connecting support, 5-rear cover, 6-heat sink, 7-connector and 8-connecting wire.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As shown in fig. 1, 2, and 3, the integrated servo deceleration motor includes:

the motor comprises a motor body, wherein the motor body comprises a shell 1 and a first end cover 2, a second end cover 3, the first end cover 2 and the second end cover 3 are respectively arranged at two ends of the shell 1, and a machine core is arranged in the shell 1;

the driving device comprises a rear cover and a PCB arranged in the rear cover 5, the PCB comprises a driving circuit, an encoder, a control chip and a USB interface, and the encoder, the control chip and the USB interface are connected with the driving circuit;

specifically, in this embodiment, the servo drive board is installed in the rear cover of the motor, and the rear cover and the motor are fixed together, so that the rear cover 5 is manufactured as a whole, and the volume of the rear cover can be the same as or smaller than that of the original rear cover of the motor.

Specifically, in this embodiment, the absolute value encoder and the servo control board are integrated into a whole, so that the influence of all external electromagnetic interference on the encoder is reduced, the communication speed between the encoder and the servo drive is increased, and the overall performance and stability are improved.

Specifically, in this embodiment, the rear cover 5 is provided with a USB interface dust cover.

And the heat dissipation device 6 is movably arranged outside the rear cover 5.

In the preferred embodiment of the present invention, the heat dissipation device 6 comprises a heat sink and/or a heat dissipation fan, and the heat dissipation device 6 is detachably connected to the rear cover 5.

Specifically, in this embodiment, a plurality of rows of heat dissipation ribs are uniformly disposed on the heat dissipation plate.

Specifically, in this embodiment, the rotor inside the servo motor is a permanent magnet, the U/V/W three-phase power controlled by the driver forms an electromagnetic field, the rotor rotates under the action of the magnetic field, and meanwhile, the encoder provided by the motor feeds back a signal to the driver, and the driver compares a feedback value with a target value to adjust the rotation angle of the rotor. When the servo motor works, the iron core and the coil of the servo motor can continuously generate heat, and the heat dissipation device 6 is required to be installed when the driver works.

In a preferred embodiment of the present invention, the inner sides of the first end cap 2 and the second end cap 3 are respectively provided with a first sealing boss and a second sealing boss, the first sealing boss and the second sealing boss are circular, the outer side surfaces of the first sealing boss and the second sealing boss are embedded with grooves for placing sealing rings, and the sealing bosses and the sealing rings are used for ensuring the protection level of the motor.

Specifically, in this embodiment, the seal ring is placed in the groove on the outer side surface of the first seal boss and the second seal boss, and the seal ring is in interference fit with the groove respectively.

In a preferred embodiment of the invention, a first circular cavity and a second circular cavity are embedded in the middle parts of the first sealing boss and the second sealing boss, bearings are respectively installed in the first circular cavity and the second circular cavity, a first circular through hole and a second circular through hole for installing a motor shaft penetrate through the center positions of the first circular cavity and the second circular cavity, the central axes of the first circular through hole, the second circular through hole, the first circular cavity and the second circular cavity are overlapped, and a bearing fixing cover is detachably arranged on the top surface of the second circular cavity.

Specifically, in this embodiment, the bottom of the first circular cavity and the bottom of the second circular cavity are provided with a sealing gasket.

In a preferred embodiment of the present invention, the top surface of the first end cap 2 is provided with a plurality of first mounting holes and first fixing holes, the top surface of the second end cap 3 is provided with a plurality of second fixing holes and a plurality of first threaded holes, respectively, the outer side of the second end cap 3 is provided with an annular supporting rib, and the annular supporting rib coincides with the central axis of the second circular through hole.

In a preferred embodiment of the invention, the connecting support 4 is further included, the connecting support 4 is a rectangular cavity with an opening on the top surface, a third circular through hole matched with the outer surface of the annular supporting rib is arranged on the bottom surface of the connecting support 4 in a penetrating manner, and the connecting support 4 is provided with a plurality of first connecting holes matched with the first threaded holes and a plurality of abdicating holes.

In a preferred embodiment of the present invention, the rear cover 5 is a rectangular housing structure, a plurality of second fixing holes matched with the first connecting holes are formed through the bottom of the rear cover 5, an elliptical hole is formed through the side surface of the rear cover 5, the elliptical hole corresponds to the USB interface, a dust cap is movably disposed on the outer side of the elliptical hole, and a circular lead hole and a fixing hole of the connector 7 are formed through the other side surface of the rear cover 5.

Specifically, in this embodiment, the rear cover 5 is made of a metal material.

Specifically, in this embodiment, the snap-in connector 7 can be used, so that the cable can be connected more conveniently and quickly.

In a preferred embodiment of the present invention, a containing cavity is formed inside the casing 1, the containing cavity is hollow and cylindrical, two ends of the containing cavity are respectively matched with the first sealing boss and the second sealing boss, two ends of the casing 1 are provided with a plurality of second threaded holes and a plurality of third threaded holes, the plurality of second threaded holes are respectively matched with the first fixing holes, and the plurality of third threaded holes are respectively matched with the second fixing holes.

In a preferred embodiment of the present invention, the present invention further comprises a connection line 8, one end of the connection line 8 is connected to the power connector, the fan connector, the control signal connector, and/or the communication connector, respectively, and the other end of the connection line 8 is connected to the PCB.

Specifically, in this embodiment, the handheld parameter adjustment device is further included, the handheld parameter adjustment device and the integrated servo motor can be wirelessly connected, and the handheld parameter adjustment device can conveniently and quickly adjust parameters.

In a preferred embodiment of the present invention, the wireless communication module includes a WIFI module and a bluetooth module.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, and the scope of protection is still within the scope of the invention.