CN213484661U

CN213484661U - Servo motor for sewing machine

Info

Publication number: CN213484661U
Application number: CN202022539016.3U
Authority: CN
Inventors: 戚碧容; 徐冬凤
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2021-06-18
Anticipated expiration: 2030-11-05

Abstract

The utility model discloses a servo motor for sewing machine relates to motor technical field, including motor housing, motor housing's positive fixed mounting has the nut, motor housing's positive fixed mounting has preceding baffle, the inside activity of preceding baffle has cup jointed the base bearing, the middle part surface activity of base bearing has cup jointed the rotor, the surface activity of rotor has cup jointed the stator. The utility model discloses an install damping spring in port department for the rotation of rotor and stator produces the impact force of vibrations and transmits damping spring on, then damping spring carries out compression motion, thereby vibrations have been cushioned, make to possess absorbing function, the function that can be normal is not influenced by vibrations to the convenience at the motor, be favorable to protecting servo motor internals, servo motor has been solved and has produced vibrations, long-time vibrations make the inside part of servo motor damage, lead to servo motor to damage, influence the production efficiency problem of equipment.

Description

Servo motor for sewing machine

Technical Field

The utility model relates to a servo motor relates to motor technical field, concretely relates to servo motor for sewing machine.

Background

The sewing machine servo motor is an engine for controlling mechanical elements to operate in a servo system, is an auxiliary motor indirect speed changing device, can control speed and position accuracy very accurately, can convert voltage signals into torque and rotating speed to drive a control object, is controlled by input signals, can quickly respond, executes elements in an automatic control system, and has the advantages of small electromechanical time constant, high linearity, electromagnetic interference generation and environmental requirement.

The following problems exist in the prior art:

1. in the prior art, when the sewing machine uses the servo motor for a long time, the rotor can be acted by an extra tangential force when in use, the rotating friction resistance of the rotor is increased, the output power of the servo motor is reduced, the energy consumption of the servo motor is improved, and the servo motor is easy to overheat, thereby causing the damage of equipment.

2. In the prior art, when the servo motor is used by the sewing machine, the servo motor generates vibration, and parts inside the servo motor are damaged due to the long-time vibration, so that the servo motor is damaged, and the production efficiency of equipment is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a servo motor for sewing machine, one of them purpose is in order to possess the function of heat dissipation, solve the rotor and can receive the effect of extra tangential force when using, increased the frictional resistance that the rotor rotated, reduced servo motor's output, improved servo motor's energy consumption, and make servo motor overheated easily, thereby lead to the damage problem of equipment; wherein another kind of purpose is in order to possess the absorbing function, and the convenience does not receive the normal function that can be influenced by vibrations at the motor, is favorable to protecting servo motor internals, has solved servo motor and has produced vibrations, and long-time vibrations make the inside part of servo motor damage, lead to servo motor to damage, influence the production efficiency problem of equipment.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:

the utility model provides a servo motor for sewing machine, includes motor housing, motor housing's positive fixed mounting has the nut, motor housing's positive fixed mounting has preceding baffle, the inside activity of preceding baffle has cup jointed the base bearing, the middle part surface activity of base bearing has cup jointed the rotor, the surface activity of rotor has cup jointed the stator, motor housing's top fixed mounting has the wiring mouth, the back fixed mounting of wiring mouth has the machine cover of going up, the front end of base bearing is fixed and has been cup jointed the thread bush.

The utility model discloses technical scheme's further improvement lies in: the back fixed mounting of preceding baffle has the front port, the fixed cover in back of front port has connect damping spring, damping spring's the other end fixed connection slider, one side fixed connection that damping spring was kept away from to the slider is on the side of stator and rotor.

The utility model discloses technical scheme's further improvement lies in: the surface of the rotor is fixedly provided with a rotor winding, the surface of the rotor winding is movably sleeved on the stator, the inner wall of the stator is fixedly provided with an excitation winding, the surface layer of the stator is fixedly provided with a stator cooling jacket, a stator core is fixedly arranged on the stator cooling jacket, and the outer side of the stator core is fixedly provided with a stator winding.

The utility model discloses technical scheme's further improvement lies in: the back of stator is fixed to be cup jointed the back machine cover, the middle part of back machine cover is close to main bearing surface fixed mounting and is had set screw, the inner wall fixed mounting that the top of set screw is close to motor housing has the coolant liquid inlet.

The utility model discloses technical scheme's further improvement lies in: the fan shaft is movably sleeved and mounted at the back of the main bearing, fan blades are fixedly mounted on the periphery of the fan shaft, and a fan sleeve is fixedly mounted on the right side of the shell.

The utility model discloses technical scheme's further improvement lies in: and an encoder is fixedly arranged behind the rear machine sleeve, and the side surface of the encoder is fixedly connected to the main bearing.

The utility model discloses technical scheme's further improvement lies in: the surface on the right side of the motor shell is fixedly provided with a metal net, and the outer side of the metal net is fixedly provided with an insulating net.

Owing to adopted above-mentioned technical scheme, the utility model discloses relative prior art, the technological progress who gains is:

1. the utility model provides a servo motor for sewing machine, through installing damping spring in port department, make the rotation of rotor and stator produce the impact force of vibrations transmit damping spring on, then damping spring carries out the compression motion, thereby vibrations have been cushioned, make to possess absorbing function, the convenience does not receive the function that vibrations influence can be normal at the motor, be favorable to protecting servo motor internals, it produces vibrations to have solved servo motor, long-time vibrations make the inside part of servo motor damage, lead to servo motor to damage, influence the production efficiency problem of equipment.

2. The utility model provides a servo motor for sewing machine has cup jointed the rotor through the middle part of base bearing, and the surface mounting of rotor has rotor winding, and rotor winding's surface mounting has the stator, the stator cooling jacket is installed on the top layer of stator, is close to the motor housing inner wall through the top and installs the coolant liquid import to carry out the water-cooling for servo motor, have to a great extent to reduce servo motor at the temperature that work produced, let servo motor more stable, make equipment possess radiating function, solve the rotor and can receive the effect of extra tangential force when using, rotor pivoted frictional resistance has been increased, servo motor's output has been reduced, servo motor's energy consumption has been improved, and make servo motor overheated easily, thereby lead to the damage problem of equipment.

Drawings

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

fig. 2 is a schematic sectional structure of the present invention;

fig. 3 is a schematic structural view of the stator of the present invention;

fig. 4 is a schematic back structure diagram of the present invention;

in the figure: 1. a motor housing; 12. a rear machine sleeve; 2. a front baffle; 3. a main bearing; 30. a threaded sleeve; 31. a rotor; 32. a stator; 33. a stator cooling jacket; 34. a stator core; 35. a stator winding; 36. an excitation winding; 37. a rotor winding; 4. a wiring port; 5. a nut; 6. a front port; 61. a damping spring; 7. a set screw; 8. a coolant inlet; 81. an encoder; 9. a fan blade; 91. a fan housing; 92. a fan shaft; 93. a metal mesh; 94. an insulating mesh; 10. and (5) mounting a machine sleeve.

Detailed Description

The present invention will be described in further detail with reference to the following examples:

example 1

As shown in fig. 1-3, the utility model provides a servo motor for sewing machine, including motor housing 1, the fixed surface on motor housing 1 right side installs metal mesh 93, the outside fixed mounting insulating net 94 of metal mesh 93, motor housing 1's positive fixed mounting has nut 5, motor housing 1's positive fixed mounting has preceding baffle 2, the inside activity of preceding baffle 2 has cup jointed the base bearing 3, the middle part surface activity of base bearing 3 has cup jointed rotor 31, rotor 31's surface activity has cup jointed stator 32, motor housing 1's top fixed mounting has wiring mouth 4, wiring mouth 4's back fixed mounting has last cover 10, the front end of base bearing 3 is fixed to have cup jointed threaded sleeve 30.

In this embodiment, the connection port 4 is installed on the motor housing 1 for connection, the power is transmitted through the rotor 31 and the stator 32 on the main bearing 3, and the rotor 31 and the stator 32 transmit the power to the threaded sleeve 30 at the front end of the main bearing 3 to perform variable speed operation with the sewing machine body.

As shown in fig. 1 to 3, in this embodiment, preferably, a front port 6 is fixedly installed on the back surface of the front baffle 2, a damping spring 61 is fixedly sleeved behind the front port 6, the other end of the damping spring 61 is fixedly connected with a slider, one side of the slider far away from the damping spring 61 is fixedly connected to the side surfaces of the stator 32 and the rotor 31, by installing the damping spring 61 at the port, the impact force of the vibration generated by the rotation of the rotor 31 and the stator 32 is transmitted to the damping spring 61, and then the damping spring 61 performs a compression motion, so that the vibration is buffered, a damping function is provided, and the problems that the parts inside the servo motor are damaged, the servo motor is damaged, and the production efficiency of the device is affected are solved.

As shown in fig. 2, preferably, a rotor winding 37 is fixedly mounted on a surface of the rotor 31, a surface of the rotor winding 37 is movably sleeved on the stator 32, an excitation winding 36 is fixedly mounted on an inner wall of the stator 32, a stator cooling jacket 33 is fixedly mounted on a surface layer of the stator 32, a stator core 34 is fixedly mounted on the upper surface of the stator cooling jacket 33, a stator winding 35 is fixedly mounted on an outer side of the stator core 34, and the stator winding 35 is mounted to increase the rotation speed of the stator 32 and the rotor 31, thereby increasing the power.

Example 2

As shown in fig. 1-3, on the basis of embodiment 1, the utility model provides a technical solution: the back of stator 32 is fixed to be cup jointed back machine cover 12, and the middle part of back machine cover 12 is close to 3 fixed surface of base bearing and installs set screw 7, and the inner wall fixed mounting that the top of set screw 7 is close to motor housing 1 has coolant liquid inlet 8, installs the coolant liquid import near the motor housing inner wall through the top to carry out the water-cooling for servo motor, have to a great extent to reduce servo motor at the temperature that work produced, let servo motor more stable.

Example 3

As shown in fig. 1-3, on the basis of embodiment 1, the utility model provides a technical solution: preferably, the installation fan axle 92 is cup jointed in the back activity of base bearing 3, and fixed mounting all around of fan axle 92 has fan leaf 9, and the right side fixed mounting of motor housing 1 has fan cover 91, through installation fan leaf 9 for fan leaf 9 rotates, makes the circulation of air, reaches the inside radiating effect of motor.

Example 4

As shown in fig. 1-3, on the basis of embodiment 1, the utility model provides a technical solution: rear cover 12's back fixed mounting has encoder 81, and encoder 81's side fixed connection is on the base bearing 3, through installation encoder 81 for the number of times that the count pulse rotates is favorable to changing part equipment, thereby guarantees the normal operating of equipment.

The following is a description of the operation principle of the servo motor for the sewing machine.

As shown in fig. 1-4, at first, connect work through installing wiring mouth 4 on motor housing 1, its power transmission passes rotor 31 on the main bearing 3, on the stator 32, rotor 31 and stator 32 carry out the variable speed operation with the sewing machine body with power transmission to main bearing 3 front end thread bush 30, then close to motor housing 1 inner wall through the top and install coolant liquid import 8, the flow of coolant liquid inside absorbs heat, thereby cool down for servo motor, then rotate by fan leaf 9 again, make the circulation of air, reach the radiating effect in the motor inside.

As shown in fig. 1 to 4, by installing the damping spring 61 at the port, the impact force of the vibration generated by the rotation of the rotor 31 and the stator 32 is transmitted to the damping spring 61, and then the damping spring 61 performs a compression motion, so that the vibration is buffered, the device achieves a damping function, thereby protecting the internal parts of the servo motor and avoiding the damage of the device.

The present invention has been described in detail with reference to the above general description, but it will be apparent to one of ordinary skill in the art that modifications and improvements can be made to the invention. Therefore, modifications or improvements without departing from the spirit of the invention are within the scope of the invention.

Claims

1. The utility model provides a servo motor for sewing machine, includes motor housing (1), its characterized in that: the utility model discloses a motor, including motor housing (1), baffle (2) before the positive fixed mounting of motor housing (1), the inside activity of preceding baffle (2) has cup jointed base bearing (3), rotor (31) have been cup jointed in the middle part surface activity of base bearing (3), stator (32) have been cup jointed in the surface activity of rotor (31), the top fixed mounting of motor housing (1) has wiring mouth (4), the back fixed mounting of wiring mouth (4) has last machine cover (10), the front end of base bearing (3) is fixed to be cup jointed threaded sleeve (30).

2. The servo motor for a sewing machine according to claim 1, characterized in that: the back fixed mounting of preceding baffle (2) has front port (6), damping spring (61) have been fixed to cup jointed in front port's (6) the back, damping spring's (61) other end fixed connection slider, one side fixed connection that damping spring (61) were kept away from to the slider is on the side of stator (32) and rotor (31).

3. The servo motor for a sewing machine according to claim 1, characterized in that: the surface fixed mounting of rotor (31) has rotor winding (37), the surface activity of rotor winding (37) cup joints on stator (32), the inner wall fixed mounting of stator (32) has excitation winding (36), the top layer fixed mounting of stator (32) has stator cooling jacket (33), fixed mounting has stator core (34) above stator cooling jacket (33), the outside fixed mounting of stator core (34) has stator winding (35).

4. The servo motor for a sewing machine according to claim 1, characterized in that: the back of stator (32) is fixed to be cup jointed back machine cover (12), the middle part of back machine cover (12) is close to main bearing (3) fixed surface and is installed set screw (7), the inner wall fixed mounting that the top of set screw (7) is close to motor housing (1) has coolant liquid inlet (8).

5. The servo motor for a sewing machine according to claim 1, characterized in that: the fan shaft (92) is movably sleeved and mounted at the back of the main bearing (3), fan blades (9) are fixedly mounted on the periphery of the fan shaft (92), and a fan sleeve (91) is fixedly mounted on the right side of the motor shell (1).

6. The servo motor for a sewing machine according to claim 4, characterized in that: the rear machine sleeve (12) is fixedly provided with an encoder (81) at the rear, and the side surface of the encoder (81) is fixedly connected to the main bearing (3).

7. The servo motor for a sewing machine according to claim 1, characterized in that: the surface on the right side of the motor shell (1) is fixedly provided with a metal net (93), and the outer side of the metal net (93) is fixedly provided with an insulating net (94).