CN111682708A

CN111682708A - Integrated servo motor

Info

Publication number: CN111682708A
Application number: CN202010474012.3A
Authority: CN
Inventors: 姜亮; 沙鑫; 王兴华; 管宇雁
Original assignee: Ningbo E Max Motion Control Technology Co ltd
Current assignee: Ningbo E Max Motion Control Technology Co ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2020-09-18

Abstract

The invention discloses an integrated servo motor which comprises a motor and a driver, wherein one end of the motor, which is provided with a motor shaft, is positioned outside a ventilation sleeve, the other end of the motor is positioned in the ventilation sleeve, the driver is fixedly arranged on the ventilation sleeve and is electrically connected with the motor, and a heat dissipation assembly is arranged in the ventilation sleeve and dissipates heat of the driver and the motor. Motor, driver and radiator unit are integrated integrative through a ventilation cover, and radiator unit can dispel the heat to motor and driver simultaneously, makes servo motor structure compacter, the volume is littleer, and it is more convenient to install.

Description

Integrated servo motor

Technical Field

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

Background

The servo motor is an engine which controls elements to operate in a servo system, and is an auxiliary motor indirect speed changing device. The servo motor can control the speed and position accuracy accurately, and can convert the voltage signal into torque and rotating speed to drive a control object. The rotation speed of the rotor of the servo motor is controlled by an input signal and can quickly respond, the servo motor is used as an actuating element in an automatic control system, has the characteristics of small electromechanical time constant, high linearity, starting voltage and the like, and can convert a received electric signal into angular displacement or angular speed on a motor shaft for output.

In the prior art, a motor and a driver in a servo motor are separately installed, two sets of independent heat dissipation devices are needed to dissipate heat of the motor and the driver respectively, and the servo motor is large in size, high in cost and not beneficial to installation.

Disclosure of Invention

In order to solve the problems in the background art, an object of the present invention is to provide an integrated servo motor, which integrates a motor, a driver, and a heat dissipation assembly, and thus reduces the volume of the device, the cost, and the installation.

The invention provides the following technical scheme: the integrated servo motor comprises a motor and a driver, wherein one end, provided with a motor shaft, of the motor is located outside a ventilation sleeve, the other end of the motor is located in the ventilation sleeve, the driver is fixedly arranged on the ventilation sleeve and is electrically connected with the motor, a heat dissipation assembly is arranged in the ventilation sleeve, and the heat dissipation assembly dissipates heat of the driver and the motor.

Further, the ventilation cover includes the tube-shape piece, tube-shape piece one end opening, tube-shape piece other end cover is equipped with the tail-hood, motor one end is passed the opening and is located in the tube-shape piece, radiator unit is located between motor and the tail-hood, be equipped with the ventilation hole on the tail-hood, the driver sets firmly on the tube-shape piece, be equipped with a plurality of heat dissipation muscle on the tube-shape piece inner wall that the driver corresponds.

Further, the tube-shape piece includes top, a pair of lateral part and bottom, the top sets up with the bottom relatively, top and bottom are connected to a pair of lateral part, the top includes the heating panel, be equipped with on the heating panel the heat dissipation muscle, the driver sets firmly on the heating panel, the heating panel with the shell fixed connection of motor.

Further, be equipped with first through-hole on the driver, be equipped with the second through-hole on the heating panel, be equipped with the third through-hole on the shell of motor, first through-hole, second through-hole and the coaxial setting of third through-hole, the second through-hole is linked together through a connecting pipe and third through-hole.

Further, the connecting pipe both ends are equipped with the bulge loop respectively, bulge loop and the coaxial setting of connecting pipe, the internal diameter of bulge loop equals with the internal diameter of connecting pipe, the external diameter of bulge loop is less than the external diameter of connecting pipe, the bulge loop at connecting pipe both ends is located second through-hole and third through-hole respectively, the external diameter of connecting pipe is greater than the diameter of second through-hole, third through-hole.

Further, be equipped with the spout that a plurality of axial set up on the shell of motor, lateral part and bottom all include a pair of fixed plate that is the mirror image setting and mutual butt, be equipped with ventiduct and hook portion on the fixed plate, hook portion cunning is located in the spout and is restricted the fixed plate relatively the motor reciprocates, a plurality of fixed pins pass the fixed plate with spout looks butt.

Further, the hook part comprises a pair of hooks arranged in a mirror image mode, and the fixing pin penetrates through the space between the pair of hooks.

Further, the top still includes a pair of butt plate, a pair of butt plate is located respectively the heating panel both sides, the heat dissipation muscle is located between a pair of butt plate, a pair of butt plate respectively with a pair of lateral part looks butt.

Further, the butt board is close to lateral part one end the lateral part is close to butt board one end the lateral part is close to bottom one end and the bottom is close to lateral part one end and all is equipped with the draw-in groove, the heating panel both sides are equipped with the screw hole, be equipped with a plurality of fourth through-holes on the tail-hood, the screw passes fourth through-hole sets firmly in draw-in groove and screw hole.

Further, a centerline of the driver passes through the heat dissipation assembly.

Compared with the prior art, the invention has the following beneficial effects: motor, driver and radiator unit are integrated integrative through a ventilation cover, and radiator unit can dispel the heat to motor and driver simultaneously, makes servo motor structure compacter, the volume is littleer, and it is more convenient to install.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic view of the structure of fig. 1 from another angle.

Fig. 3 is a schematic diagram of the exploded structure of fig. 2.

Fig. 4 is a schematic structural view of the present invention with a motor shaft fixing plate removed.

Fig. 5 is a partially enlarged schematic view of a in fig. 4.

Fig. 6 is a schematic view of the structure of the motor of the present invention.

Fig. 7 is a schematic structural view of the ventilation cover of the present invention.

Fig. 8 is a schematic view of the top structure of the present invention.

Fig. 9 is a schematic view of the structure of fig. 8 at another angle.

Fig. 10 is a schematic view of a combination of a side portion and a bottom portion according to the present invention.

Fig. 11 is a schematic structural view of the heat dissipating assembly of the present invention.

Fig. 12 is a partial exploded view of the vent cover, connecting tube, and motor of the present invention.

FIG. 13 is a schematic view showing the structure of a connecting tube according to the present invention.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1 to 13, an integrated servo motor includes a motor 1, a driver 2, a ventilation sleeve 3 and a heat dissipation assembly 4, wherein one end of the motor 1 having a motor shaft 5 is located outside the ventilation sleeve 3, the other end of the motor 1 is located inside the ventilation sleeve 3, the driver 2 is fixedly disposed on the ventilation sleeve 3 and electrically connected to the motor 1, the heat dissipation assembly 4 is disposed inside the ventilation sleeve 3, and the heat dissipation assembly 4 dissipates heat of the driver 2 and the motor 1.

Through a ventilation cover 3, with motor 1, driver 2 and radiator unit 4 integrated an organic whole, radiator unit can dispel the heat to driver 2 and motor 1 simultaneously, makes whole servo motor's structure compacter, the volume is littleer, the installation is more convenient, the cost is lower.

The motor 1 comprises a motor shaft 5, a shell 6, a motor shaft fixing plate 7 and a cover plate 8, a plurality of axially arranged sliding grooves 9 are formed in the shell 6 of the motor 1, the motor shaft fixing plate 7 seals one end of each sliding groove 9, the other end of each sliding groove 9 is sealed by the cover plate 8, and a third through hole 10 is further formed in the shell 6.

Ventilation cover 3 includes tube-

shape piece

11, 11 one end openings of tube-shape piece, 11 other end covers of tube-shape piece are equipped with tail-hood 12, motor 1 is equipped with 8 one ends of apron and passes the opening and be located in the tube-shape piece, radiator unit 4 is located between motor 1 and tail-hood 12, be equipped with ventilation hole 13 on the tail-hood 12, driver 2 sets firmly on tube-shape piece 11, so sets up, and radiator unit moves, and the heat that can drive motor 1 and driver 2 production passes through ventilation hole 13 and discharges. In this embodiment, the center line of the driver passes through the heat dissipation assembly, and the heat dissipation effect is the best.

The barrel 11 includes a top portion 14, a pair of side portions 15, and a bottom portion 16, the top portion 14 being disposed opposite the bottom portion 16, the pair of side portions 15 connecting the top portion 14 to the bottom portion 16.

The top part 14 comprises a heat dissipation plate 17, the heat dissipation plate 17 is provided with a second through hole 18, the second through hole 18 is opposite to the third through hole 10, and the second through hole 18 and the third through hole 10 are coaxially arranged, one end of the heat dissipation plate 17 is fixedly connected with the driver 2, generally, the two are fixedly connected by screws, in this embodiment, a fixed seat is arranged in a sliding groove of the housing corresponding to the heat dissipation plate 17, the heat dissipation plate is fixedly connected with the fixed seat through screws, a plurality of heat dissipation ribs 19 are arranged at the other end of the heat dissipation plate 17, the radiating ribs 19 are formed by extending vertically from the radiating plate 17 towards the shell 6, the length of the radiating ribs 19 is equal to that of the radiating plate 17, a pair of abutting plates 20 are connected to both sides of the heat dissipating plate 17, the abutting plates 20 are respectively located on both sides of the heat dissipating ribs 19, and the abutting plates 20 abut against the side portions 15. In this embodiment, the heat dissipating plate 17, the abutting plate 20, and the heat dissipating ribs 19 are integrally formed, and the abutting plate 20 is perpendicularly connected to the heat dissipating plate 17.

The end, deviating from the driver 2, of the heat dissipation plate 17 is provided with the plurality of heat dissipation ribs 19, so that the heat dissipation effect of the servo motor can be further improved.

The side portion 15 and the bottom portion 16 both include a pair of fixing plates 21 arranged in a mirror image manner, the fixing plates are abutted against each other, the fixing plates 21 are provided with air ducts 22 and hook portions, in this embodiment, the air ducts 22 between the fixing plates 21 are close to each other, the hook portions between the fixing plates 21 are far away from each other, the hook portions include a pair of hooks 23 arranged in a mirror image manner, in this embodiment, the hooks 23 are L-shaped, the pair of hooks 23 are deviated from each other, the hook portions slide into the sliding grooves 9 from the ends of the sliding grooves 9 close to the cover plate 8, the hook portions are slidably arranged in the sliding grooves 9 to limit the fixing plates 21 to move up and down relative to the motor 1, the side portion 15 and the bottom portion 16 can be integrally formed, or can be formed by abutting and surrounding six fixing plates 21, in this embodiment, the arrangement manner of the side portion 15 and the bottom portion 16 is the latter, a plurality of fixed pins 24 pass through fixed plate 21 and abut against chute 9, and carry out spacing in the axial direction to fixed plate 21 and motor 1, in this embodiment, chute 9 includes first groove 25 and second groove 26 that communicate with each other, first groove 25 is kept away from second groove 26 one end and is equipped with perforation 27, first groove 25 and second groove 26 are coaxial to be set up, the height of first groove 25 is greater than the height of second groove 26, a pair of pothook 23 blocks locates in first groove 25, fixed pin 24 passes the middle butt of a pair of pothook 23 on second groove 26, fixed pin 24 with a pair of pothook 23 interference fit, motor shaft fixed plate 7 and apron 8 seal second groove 26 both ends, apron 8 does not seal first groove 25 keeps away from motor shaft fixed plate 7 one end.

Butt plate 20 is close to 15 one end of lateral part 15 one end is close to butt plate 20 one end to lateral part 15 be close to 16 one end of bottom and bottom 16 is close to 15 one end of lateral part and all is equipped with draw-in groove 28, heating panel 17 keeps away from 1 one end both sides of motor are equipped with screw hole 29 respectively, be equipped with a plurality of fourth through holes 30 on the tail-hood 12, screw 31 passes fourth through hole 30 sets firmly in draw-in groove 28 and screw hole 29. The tail cap 12 is screwed to one end of the cylindrical member 11.

The heat dissipation assembly 4 comprises a fan 32, and the fan 32 is fixed on the cover plate 8 of the motor 1 through a bracket.

The driver 2 is provided with a first through hole, the first through hole is located at one end of the driver 2 close to the heat dissipation plate, and therefore is not marked in the figure, the first through hole is correspondingly communicated with the second through hole 18, and the second through hole 18 is communicated with the third through hole 10 through a connecting pipe 34.

Connecting pipe 34 both ends are equipped with bulge loop 35 respectively, bulge loop 35 and the coaxial setting of connecting pipe 34, the internal diameter of bulge loop 35 equals with the internal diameter of connecting pipe 34, bulge loop 35's external diameter is less than the external diameter of connecting pipe 34, bulge loop 35 at connecting pipe 34 both ends is located second through-hole 18 and third through-hole 10 respectively, connecting pipe 34's external diameter is greater than the diameter of second through-hole 18, third through-hole 10, so set up, can play sealed guard action to driver 2 and motor 1 promptly, can play limiting displacement again to top 14.

This servo motor equipment is very convenient, fixes radiator unit on the apron of motor earlier, then lateral part 15 slides in spout 9 with the bottom together until setting for the position, then inserts corresponding fixed pin 24 and fixes lateral part, bottom and motor, inserts the bulge loop 35 of connecting pipe 34 lower extreme into third through hole 10, covers the top 14 that has the driver 2 of equipment again, reuse screw is with radiator plate 17 and shell 6 fixed connection, then equipment tail-hood 12, accomplishes servo motor's equipment promptly.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the scope of protection of the present application.

Claims

1. An integrated form servo motor, includes motor and driver, its characterized in that: the motor is provided with a motor shaft, one end of the motor is located outside the ventilation sleeve, the other end of the motor is located inside the ventilation sleeve, the driver is fixedly arranged on the ventilation sleeve and is electrically connected with the motor, and the ventilation sleeve is internally provided with a heat dissipation assembly which dissipates heat of the driver and the motor.

2. The integrated servo motor of claim 1 wherein: the ventilation sleeve comprises a cylindrical part, one end of the cylindrical part is open, the other end cover of the cylindrical part is provided with a tail cover, one end of the motor penetrates through the opening and is located in the cylindrical part, the heat dissipation assembly is located between the motor and the tail cover, the tail cover is provided with a ventilation hole, the driver is fixedly arranged on the cylindrical part, and a plurality of heat dissipation ribs are arranged on the inner wall of the cylindrical part corresponding to the driver.

3. The integrated servo motor of claim 2 wherein: the tubular part includes top, a pair of lateral part and bottom, the top sets up with the bottom is relative, top and bottom are connected to a pair of lateral part, the top includes the heating panel, be equipped with on the heating panel the heat dissipation muscle, the driver sets firmly on the heating panel, the heating panel with the shell fixed connection of motor.

4. The integrated servo motor of claim 3 wherein: the motor is characterized in that a first through hole is formed in the driver, a second through hole is formed in the heat dissipation plate, a third through hole is formed in the shell of the motor, the first through hole, the second through hole and the third through hole are coaxially arranged, and the second through hole is communicated with the third through hole through a connecting pipe.

5. The integrated servo motor of claim 4 wherein: the connecting pipe both ends are equipped with the bulge loop respectively, the bulge loop sets up with the connecting pipe is coaxial, the internal diameter of bulge loop equals with the internal diameter of connecting pipe, the external diameter of bulge loop is less than the external diameter of connecting pipe, the bulge loop at connecting pipe both ends is located second through-hole and third through-hole respectively, the external diameter of connecting pipe is greater than the diameter of second through-hole, third through-hole.

6. The integrated servo motor of claim 3 wherein: be equipped with the spout that a plurality of axial set up on the shell of motor, lateral part and bottom all include a pair of fixed plate that is the mirror image setting and mutual butt, be equipped with ventiduct and hook portion on the fixed plate, hook portion cunning is located in the spout and is restricted the fixed plate relatively the motor reciprocates, a plurality of fixed pins pass the fixed plate with spout looks butt.

7. The integrated servo motor of claim 6 wherein: the hook part comprises a pair of hooks arranged in a mirror image mode, and the fixing pin penetrates through the space between the pair of hooks.

8. The integrated servo motor of claim 6 wherein: the top further comprises a pair of abutting plates, the abutting plates are located on two sides of the heat dissipation plate respectively, the heat dissipation ribs are located between the abutting plates, and the abutting plates are abutted to the side portions respectively.

9. The integrated servo motor of claim 8 wherein: the butt board is close to lateral part one end the lateral part is close to butt board one end the lateral part is close to bottom one end and the bottom is close to lateral part one end and all is equipped with the draw-in groove, the heating panel both sides are equipped with the screw hole, be equipped with a plurality of fourth through-holes on the tail cover, the screw passes fourth through-hole sets firmly in draw-in groove and screw hole.

10. The integrated servo motor of claim 1 wherein: the center line of the driver passes through the heat dissipation assembly.