CN116191361A - High-efficient main shaft servo motor that possesses overload prevention function - Google Patents

High-efficient main shaft servo motor that possesses overload prevention function Download PDF

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Publication number
CN116191361A
CN116191361A CN202310284977.XA CN202310284977A CN116191361A CN 116191361 A CN116191361 A CN 116191361A CN 202310284977 A CN202310284977 A CN 202310284977A CN 116191361 A CN116191361 A CN 116191361A
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CN
China
Prior art keywords
ring
wall
seat
motor
motor body
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310284977.XA
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Chinese (zh)
Inventor
汪伟
徐进壮
刘田奇
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Jiangsu University of Technology
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Jiangsu University of Technology
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Application filed by Jiangsu University of Technology filed Critical Jiangsu University of Technology
Priority to CN202310284977.XA priority Critical patent/CN116191361A/en
Publication of CN116191361A publication Critical patent/CN116191361A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
    • H02H7/085—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against excessive load
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/20—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess voltage
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
    • H02H7/09—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against over-voltage; against reduction of voltage; against phase interruption
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
    • H02K5/225—Terminal boxes or connection arrangements

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

The invention discloses a high-efficiency spindle servo motor with an overload prevention function, and relates to the technical field of spindle servo motors, comprising a motor body and a junction box arranged at the top of the motor body, wherein a fixing seat is arranged at the driving end of the motor body, and a transmission shaft is arranged at the outer end of the fixing seat; one side of the inside of the junction box is provided with a conductive seat, the other side of the inside of the junction box is provided with an overload protector electrically connected with the conductive seat, the front end of the other side of the inside of the junction box is provided with the junction seat, and the inside of the installation cavity is provided with a protection mechanism; the overload protector is matched with the protection mechanism and the transmission shaft, so that the overload protector can play a role in automatically tripping and disconnecting the power supply of the motor body when the external power supply voltage is overlarge, the overload condition of the motor body caused by overlarge voltage can be effectively avoided, the load sharing treatment can be carried out on the current with higher voltage connected to the motor body, the overload protection effect on the motor body during use is effectively improved, and the service life of the motor can be prolonged.

Description

High-efficient main shaft servo motor that possesses overload prevention function
Technical Field
The invention relates to the technical field of spindle servo motors, in particular to a high-efficiency spindle servo motor with an overload prevention function.
Background
The motor is an electromechanical product for converting electric energy into rotational mechanical energy, and when the motor is in use, the motor is generally in a normal working state, and sometimes when the motor is overloaded, the overload condition of the motor is caused by the following reasons: when the voltage of the motor is too high, the motor shaft generates too large torque, the load is too heavy and the like, particularly when the voltage of the high-efficiency main shaft servo motor is overloaded, the electric elements in the junction box can be damaged, and the circuit in the motor body can be damaged; meanwhile, when the power supply of the servo motor is suddenly stopped, the motor shaft in the rotating state is also stopped immediately, but the connected rotating object is not stopped immediately, so that the load object in the continuous rotating state can cause larger torque to the locked motor shaft, and the overload condition of the motor shaft occurs; the rotor connected with the motor shaft is damaged, the normal operation of the motor is affected when the motor is restarted, and the service life of the motor is shortened; therefore, an improvement is required to deal with the above problems.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a high-efficiency spindle servo motor with an overload prevention function.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the high-efficiency spindle servo motor with the overload prevention function comprises a motor body and a junction box arranged at the top of the motor body, wherein a fixing seat is arranged at the driving end of the motor body, and a transmission shaft is transversely arranged on the outer end face of the fixing seat in a rotating manner; the outer wall of one side of the junction box is provided with a plurality of stuffing boxes in an equidistant communication way, one side of the inside of the junction box is provided with a conductive seat, one end of the top of the conductive seat is provided with a wiring terminal, the other side of the inside of the junction box is provided with an overload protector electrically connected with the conductive seat, the front end of the other side of the inside of the junction box is provided with a junction seat, and the junction seat is connected with a circuit inside the motor body; the inside installation cavity of seting up of fixing base, the installation cavity is inside to be equipped with the protection machanism that is used for overload protection between motor shaft and the transmission shaft.
Preferably, the protection mechanism comprises a connecting seat fixedly sleeved on a motor shaft of the motor body, a stabilizing seat fixedly installed on the inner wall of the outer end of the installation cavity, a circular opening formed in the middle of the inner end surface of the stabilizing seat, a movable annular plate slidingly arranged in the circular opening and a rotating ring movably arranged in the inner ring of the movable annular plate, a spline shaft is transversely arranged in the inner ring of the rotating ring in a rotating manner, an annular cavity is formed in the inner side of the outer side of the stabilizing seat, and a repulsive force assembly for moving the movable annular plate is arranged in the annular cavity; the outer end face of the connecting seat is provided with a connecting table in a protruding mode, a spline groove is formed in the middle of the table top of the connecting table, and the inner end of the spline shaft is inserted into the spline groove; the inner end of the transmission shaft movably extends into the circular opening, and a spline hole groove matched with the spline shaft is formed in the inner end face of the transmission shaft.
Preferably, both ends of the circular port are wide-mouth shaped, and the connecting table is inserted into the wide-mouth inside of the outer end of the circular port and is rotationally connected with the stabilizing seat through a bearing ring; a transmission sleeve is rotationally arranged between the movable ring plate and the rotary ring, one end of the transmission sleeve is of a necking pipe body structure, an annular groove is formed in the outer side of the inner end surface of the connecting table, and a plurality of limit grooves are formed in the inner wall of the annular groove; a plurality of limit bar blocks inserted into the limit bar grooves are equidistantly protruded on the outer wall of the necking end of the transmission sleeve; the wide-neck end of the transmission sleeve is sleeved on the outer wall of the inner end of the transmission shaft, a plurality of clamping strips are arranged on the outer wall of the inner end of the transmission shaft in an equidistance protruding mode, and a plurality of clamping grooves matched with the clamping strips are formed in the periphery of the inner wall of the wide-neck end of the transmission sleeve in an equidistance mode.
Preferably, the repulsive force assembly comprises an electromagnet ring fixedly arranged on the inner wall of one side of the inner part of the annular cavity, a magnet ring vertically movably attached to the inner side of the annular cavity of the electromagnet ring, stabilizing rods fixedly connected to the upper end and the lower end of the inner wall of the other side of the annular cavity at equal intervals and a plurality of thrust springs arranged on the other side of the magnet ring; the magnetic poles of the opposite surfaces of the electromagnet ring and the magnet ring are the same; the outer end of the thrust spring is fixedly connected with the inner wall at the other side of the annular cavity; the inner ring wall of the magnet ring is fixedly connected with a connecting rod, a plurality of rectangular strip openings communicated with the annular cavity are formed in the periphery side of the middle inner wall of the circular opening at equal intervals, and the inner end of the connecting rod extends into the circular opening from the rectangular strip opening to be fixedly connected with the outer wall of the movable ring plate.
Preferably, the power connection end of the electromagnet ring is provided with a power transmission line, and the outer end of the power transmission line is electrically connected with the power connection end of the overload protector.
Preferably, a limiting ring plate is vertically arranged on the inner wall of one side of the necking section in the middle of the circular opening, a plurality of guide rods are equidistantly arranged on the outer end face of the limiting ring plate, and the guide rods movably penetrate through the movable ring plate.
Compared with the prior art, the invention has the beneficial effects that: the overload protector is matched with the protection mechanism and the transmission shaft, so that the overload protector can play a role in automatically tripping and disconnecting the power supply of the motor body when the external power supply voltage is overlarge, the overload of the motor body caused by overlarge voltage can be effectively avoided, the motor body can be automatically disconnected and transmitted between the motor shaft which is suddenly self-locked and an object in a rotating state outside after the motor body is suddenly powered off, the load division processing can be carried out on the current with higher voltage connected to the motor body, and the situation that the electric elements in the junction box are damaged due to voltage fluctuation after the motor body is powered off can be conveniently avoided; the overload protection effect of the motor body during use is effectively improved, and the service life of the motor can be prolonged.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:
FIG. 1 is a schematic diagram of a front view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a top view of the junction box of the present invention;
FIG. 4 is a top view of the junction box and holder of the present invention;
FIG. 5 is a top view cross-section of the seat and stabilizer of the present invention;
number in the figure: 1. a motor body; 2. a junction box; 3. a stuffing box; 4. a fixing seat; 5. a transmission shaft; 6. a conductive base; 7. a connection terminal; 8. an overload protector; 9. a power transmission line; 10. a wire holder; 11. a connecting seat; 12. a stabilizing seat; 13. moving the ring plate; 14. a rotating ring; 15. a spline shaft; 16. an electromagnet ring; 17. a magnet ring; 18. a transmission sleeve; 19. a thrust spring; 20. a stabilizer bar.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments.
Examples: referring to fig. 1 to 5, a high-efficiency spindle servo motor with overload prevention function comprises a motor body 1 and a junction box 2 arranged at the top of the motor body 1, wherein a fixing seat 4 is arranged at the driving end of the motor body 1, and a transmission shaft 5 is transversely arranged on the outer end surface of the fixing seat 4 in a rotating manner; a plurality of stuffing boxes 3 are communicated with the outer wall of one side of the junction box 2 at equal intervals, a conductive seat 6 is arranged on one side of the inside of the junction box 2, a wiring terminal 7 is arranged at one end of the top of the conductive seat 6, an overload protector 8 electrically connected with the conductive seat 6 is arranged on the other side of the inside of the junction box 2, a wiring seat 10 is arranged at the front end of the other side of the inside of the junction box 2, and the wiring seat 10 is connected with a circuit inside the motor body 1; the inside of the fixed seat 4 is provided with an installation cavity, and a protection mechanism for overload protection between the motor shaft and the transmission shaft 5 is arranged in the installation cavity; through the cooperation of the overload protector 8, the protection mechanism and the transmission shaft 5, the motor body 1 can be automatically tripped and disconnected when the external power supply voltage is overlarge, the overload of the motor body 1 caused by overlarge voltage can be effectively avoided, the motor body 1 can be automatically disconnected and transmitted between a motor shaft which is suddenly self-locked and an object in a rotating state outside after being suddenly powered off, the load-dividing treatment can be carried out on the current with higher voltage connected to the motor body 1, and the situation that the electric elements in the junction box 2 are damaged due to voltage variation after the power failure of the motor body 1 can be conveniently avoided; effectively improve overload protection effect when using to motor body 1 to can prolong the life of motor.
In the invention, the protection mechanism comprises a connecting seat 11 fixedly sleeved on a motor shaft of a motor body 1, a stabilizing seat 12 fixedly arranged on the inner wall of the outer end of a mounting cavity, a circular opening formed in the middle of the inner end surface of the stabilizing seat 12, a movable annular plate 13 slidingly arranged in the circular opening and a rotating ring 14 movably arranged in the inner ring of the movable annular plate 13, a spline shaft 15 is transversely arranged in the inner ring of the rotating ring 14 in a rotating manner, an annular cavity is formed in the inner side of the outer side of the stabilizing seat 12, and a repulsive force component for moving the movable annular plate 13 is arranged in the annular cavity; the outer end surface of the connecting seat 11 is provided with a connecting table in a protruding mode, a spline groove is formed in the middle of the table surface of the connecting table, and the inner end of the spline shaft 15 is inserted into the spline groove; the inner end of the transmission shaft 5 movably extends into the circular opening, and a spline hole groove matched with the spline shaft 15 is formed in the inner end surface of the transmission shaft 5; a limiting ring plate is vertically arranged on the inner wall of one side of the necking section in the middle of the circular opening, a plurality of guide rods are equidistantly arranged on the outer end face of the limiting ring plate, and the guide rods movably penetrate through the movable ring plate 13.
In the invention, both ends of the circular port are wide-mouth shaped, and the connecting table is inserted into the wide-mouth inside of the outer end of the circular port and is rotationally connected with the stabilizing seat 12 through the bearing ring; a transmission sleeve 18 is rotatably arranged between the movable ring plate 13 and the rotary ring 14, one end of the transmission sleeve 18 is of a necking pipe body structure, an annular groove is formed in the outer side of the inner end surface of the connecting table, and a plurality of limit strip grooves are formed in the inner wall of the annular groove; a plurality of limit bar blocks inserted into the limit bar grooves are equidistantly protruded on the outer wall of the necking end of the transmission sleeve 18; the wide neck end of the transmission sleeve 18 is sleeved on the outer wall of the inner end of the transmission shaft 5, a plurality of clamping strips are equidistantly protruded on the outer wall of the inner end of the transmission shaft 5, and a plurality of clamping grooves matched with the clamping strips are equidistantly formed on the periphery of the inner wall of the wide neck end of the transmission sleeve 18; the transmission sleeve 18 can play a role in enhancing torque force when the spline shaft 15 transmits the transmission 5; and the connection strength between the motor shaft and the transmission shaft 5 in transmission connection and the overload prevention effect of the motor shaft are improved.
In the invention, the repulsive force assembly comprises an electromagnet ring 16 fixedly arranged on the inner wall of one side of the inner part of the annular cavity, a magnet ring 17 vertically movably attached to the inner side of the electromagnet ring 16 and arranged in the annular cavity, a stabilizer bar 20 fixedly connected to the upper end and the lower end of the inner wall of the other side of the annular cavity at equal intervals and a plurality of thrust springs 19 arranged on the other side of the magnet ring 17; the magnetic poles of the opposite faces of the electromagnet ring 16 and the magnet ring 17 are the same; the power connection end of the electromagnet ring 16 is provided with a power transmission line 9, and the outer end of the power transmission line 9 is electrically connected with the power connection end of the overload protector 8; the outer end of the thrust spring 19 is fixedly connected with the inner wall at the other side of the annular cavity; the inner ring wall of the magnet ring 17 is fixedly connected with a connecting rod, a plurality of rectangular strip openings communicated with the annular cavity are formed in the periphery side of the inner wall of the middle part of the circular opening at equal intervals, and the inner end of the connecting rod extends into the circular opening from the rectangular strip opening to be fixedly connected with the outer wall of the movable ring plate 13; the arrangement of the thrust spring 19 can automatically return by pushing the magnet ring 17 when the magnet ring 16 is not electrified, and then the movable ring plate 13 is driven to drive the transmission sleeve 18 and the spline shaft 15 to return, so that the motor body 1 continuously drives the transmission shaft 5 to rotate through the transmission sleeve 18 and the spline shaft 15 which return when the motor body is started next time.
Working principle: in this embodiment, the present invention further provides a method for using the efficient spindle servo motor with an overload protection function, including the following steps:
firstly, a conductive seat 6, a wiring terminal 7, an overload protector 8 and a power transmission line 9 are all arranged on a junction box 2, an external wire penetrates into the junction box 2 from the inside of a stuffing box 3 and is fixedly and electrically connected with the wiring terminal 7, then a fixed seat 4 with a transmission shaft 5 and a protection structure is arranged at the driving end of a motor body 1, and a connecting seat 11 in the protection structure is fixedly connected with a motor shaft of the motor body 1; when the motor body 1 rotates, a motor shaft can be driven to drive the connecting seat 11 to rotate, the spline shaft 15 can be driven to rotate through the rotation of the connecting seat 11, the transmission shaft 5 can be conveniently driven to rotate through the rotation of the spline shaft 15, and then an object to be transmitted by the transmission shaft 5 is driven to rotate; the transmission sleeve 18 can play a role in enhancing torque force when the spline shaft 15 transmits the transmission 5; the connection strength of the motor shaft and the transmission shaft 5 in transmission connection and the overload prevention effect of the motor shaft are improved;
step two, if the current externally supplied to the motor body 1 is too large, the overload protector 8 in the junction box 2 trips, so that the voltage overload protection function is achieved on the circuit in the motor body 1, and the motor rotor rapidly stops rotating after the power supply in the motor body 1 is stopped;
step three, after stopping power supply to the motor body 1, at this moment, because the external wire is still electrically connected with the electrical components in the junction box 2, in order to avoid the situation that electric leakage and fire occur due to excessive voltage, the tripping overload protector 8 can not supply power to the motor body 1 at this moment, the power transmission line 9 electrically connected with the power connection end of the overload protector 8 can supply large-voltage current to the electromagnet ring 16, at this moment, the electrified electromagnet ring 16 can quickly generate the same magnetic field as the electromagnet ring 17, and because the magnetic pole of the electromagnet ring 16 after being electrified is the same as the magnetic pole of the electromagnet ring 17, the electromagnet ring 17 can be pushed to the inside of the other end of the annular cavity;
step four, be convenient for drive through the connecting rod through the magnet ring 17 that moves and remove the crown plate 13 and move towards transmission shaft 5 in circular mouthful, the removal through removing crown plate 13 is convenient for make spline shaft 15 one end withdraw from outside the spline groove of connecting seat 11, and then make the transmission disconnection between transmission shaft 5 and the motor shaft, and then when the object under the messenger rotation state drives transmission shaft 5, can not drive the motor shaft under the sudden outage auto-lock state and rotate, and then can avoid the motor shaft of motor body 1 to cause the circumstances emergence of rotor damage because of the great moment that appears when the axis body load is great and scram.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims (6)

1. The utility model provides a possesses high-efficient main shaft servo motor of overload prevention function, includes motor body (1) and locates terminal box (2) at motor body (1) top, its characterized in that: a fixed seat (4) is arranged at the driving end of the motor body (1), and a transmission shaft (5) is transversely arranged on the outer end surface of the fixed seat (4) in a rotating manner; the novel motor is characterized in that a plurality of stuffing boxes (3) are arranged on the outer wall of one side of the junction box (2) in an equidistant communication mode, a conductive seat (6) is arranged on one side of the interior of the junction box (2), a wiring terminal (7) is arranged at one end of the top of the conductive seat (6), an overload protector (8) electrically connected with the conductive seat (6) is arranged on the other side of the interior of the junction box (2), a wiring seat (10) is arranged at the front end of the other side of the interior of the junction box (2), and the wiring seat (10) is connected with a circuit inside the motor body (1); the inside of fixing base (4) has seted up the installation chamber, the installation intracavity portion is equipped with the protection machanism that is used for overload protection between motor shaft and the transmission shaft (5).
2. The high-efficiency spindle servo motor with overload prevention function according to claim 1, wherein: the protection mechanism comprises a connecting seat (11) fixedly sleeved on a motor shaft of the motor body (1), a stabilizing seat (12) fixedly installed on the inner wall of the outer end of the installation cavity, a circular opening formed in the middle of the inner end surface of the stabilizing seat (12), a movable annular plate (13) slidingly arranged in the circular opening, and a rotating ring (14) movably arranged in the inner ring of the movable annular plate (13), wherein a spline shaft (15) is transversely arranged in the inner ring of the rotating ring (14) in a rotating manner, an annular cavity is formed in the outer side of the stabilizing seat (12), and a repulsive force assembly for moving the movable annular plate (13) is arranged in the annular cavity; the outer end face of the connecting seat (11) is provided with a connecting table in a protruding mode, a spline groove is formed in the middle of the table top of the connecting table, and the inner end of the spline shaft (15) is inserted into the spline groove; the inner end of the transmission shaft (5) movably extends into the circular opening, and a spline hole groove matched with the spline shaft (15) is formed in the inner end face of the transmission shaft (5).
3. The high-efficiency spindle servo motor with overload prevention function according to claim 1, wherein: the two ends of the circular opening are wide-mouth shaped, and the connecting table is inserted into the wide-mouth inside of the outer end of the circular opening and is rotationally connected with the stabilizing seat (12) through a bearing ring; a transmission sleeve (18) is rotationally arranged between the movable annular plate (13) and the rotary ring (14), one end of the transmission sleeve (18) is of a necking pipe body structure, an annular groove is formed in the outer side of the inner end surface of the connecting table, and a plurality of limit grooves are formed in the inner wall of the annular groove; a plurality of limit bar blocks inserted into the limit bar grooves are equidistantly protruded on the outer wall of the necking end of the transmission sleeve (18); the wide-neck end of the transmission sleeve (18) is sleeved on the outer wall of the inner end of the transmission shaft (5), a plurality of clamping strips are arranged on the outer wall of the inner end of the transmission shaft (5) in an equidistant protruding mode, and a plurality of clamping grooves matched with the clamping strips are formed in the periphery side of the inner wall of the wide-neck end of the transmission sleeve (18) in an equidistant mode.
4. A high efficiency spindle servo motor having an overload prevention function as claimed in claim 3 wherein: the repulsive force assembly comprises an electromagnet ring (16) fixedly arranged on the inner wall of one side of the inner side of the annular cavity, a magnet ring (17) vertically movably attached to the inner side of the electromagnet ring (16) and arranged in the annular cavity, a stabilizer bar (20) transversely fixedly connected to the upper end and the lower end of the inner wall of the other side of the annular cavity at equal intervals, and a plurality of thrust springs (19) arranged on the other side of the magnet ring (17); the magnetic poles of the opposite surfaces of the electromagnet ring (16) and the magnet ring (17) are the same; the outer end of the thrust spring (19) is fixedly connected with the inner wall at the other side of the annular cavity; the inner ring wall of the magnet ring (17) is fixedly connected with a connecting rod, a plurality of rectangular strip openings communicated with the annular cavity are formed in the periphery side of the inner wall of the middle part of the circular opening at equal intervals, and the inner end of the connecting rod extends into the circular opening from the rectangular strip opening to be fixedly connected with the outer wall of the movable annular plate (13).
5. The high-efficiency spindle servo motor with overload prevention function according to claim 1, wherein: the power connection end of the electromagnetic iron ring (16) is provided with a power transmission line (9), and the outer end of the power transmission line (9) is electrically connected with the power connection end of the overload protector (8).
6. The high-efficiency spindle servo motor with overload prevention function according to claim 2, wherein: a limiting ring plate is vertically arranged on the inner wall of one side of the necking section in the middle of the circular opening, a plurality of guide rods are equidistantly arranged on the outer end face of the limiting ring plate, and the guide rods movably penetrate through the movable ring plate (13).
CN202310284977.XA 2023-03-22 2023-03-22 High-efficient main shaft servo motor that possesses overload prevention function Pending CN116191361A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310284977.XA CN116191361A (en) 2023-03-22 2023-03-22 High-efficient main shaft servo motor that possesses overload prevention function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310284977.XA CN116191361A (en) 2023-03-22 2023-03-22 High-efficient main shaft servo motor that possesses overload prevention function

Publications (1)

Publication Number Publication Date
CN116191361A true CN116191361A (en) 2023-05-30

Family

ID=86434618

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310284977.XA Pending CN116191361A (en) 2023-03-22 2023-03-22 High-efficient main shaft servo motor that possesses overload prevention function

Country Status (1)

Country Link
CN (1) CN116191361A (en)

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