CN212462960U

CN212462960U - Closed-loop stepping motor

Info

Publication number: CN212462960U
Application number: CN202021472539.4U
Authority: CN
Inventors: 冯锴
Original assignee: Dongguan Kaifull Electronic Technology Co ltd
Current assignee: Dongguan Kaifull Electronic Technology Co ltd
Priority date: 2020-07-23
Filing date: 2020-07-23
Publication date: 2021-02-02
Anticipated expiration: 2030-07-23

Abstract

The utility model discloses a closed loop step motor, including the motor casing, the left side fixed mounting of motor casing has the front shroud, the right side fixed mounting of motor casing has the heat dissipation case, the right side fixedly connected with heat radiation fins of heat dissipation case, the inner wall fixedly connected with stator of motor casing, the inner chamber cover of stator is equipped with the rotor, the axle center fixedly connected with output shaft of department of rotor. The utility model discloses a set up the rose box, the air inlet duct, the dust screen, filtering mechanism, the exhaust column, the air exhauster, installation mechanism, go out the tuber pipe, the ring canal, fixed establishment and the cover of blowing mutually support, the advantage good to closed loop step motor radiating effect has been reached, make closed loop step motor when long-term the use, can effectually blow the heat dissipation to closed loop step motor inside, prevent the inside problem that high temperature burns out of appearing of closed loop step motor, closed loop step motor's life has been prolonged, user's user demand can be satisfied.

Description

Closed-loop stepping motor

Technical Field

The utility model relates to a step motor technical field specifically is a closed loop step motor.

Background

The stepping motor is a motor which converts an electric pulse signal into a corresponding angular displacement or linear displacement, and when a pulse signal is input, a rotor rotates by an angle or advances by one step, the output angular displacement or linear displacement is in direct proportion to the input pulse number, and the rotating speed is in direct proportion to the pulse frequency, so the stepping motor is also called a pulse motor.

The existing closed-loop stepping motor has the following defects: the existing closed-loop stepping motor is poor in heat dissipation effect, so that when the closed-loop stepping motor is used for a long time, the internal temperature is too high easily, the closed-loop stepping motor is burnt out at high temperature, the service life of the closed-loop stepping motor is shortened, and the use requirement of a user cannot be met.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a closed loop step motor possesses the good advantage of closed loop step motor radiating effect, has solved current closed loop step motor radiating effect not good, leads to closed loop step motor when using for a long time, and inside temperature is too high easily, causes closed loop step motor to appear the problem that high temperature burns out.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a closed loop stepping motor, includes the motor casing, the left side fixed mounting of motor casing has the front shroud, the right side fixed mounting of motor casing has the heat dissipation case, the right side fixedly connected with heat radiation fins of heat dissipation case, the inner wall fixedly connected with stator of motor casing, the inner chamber cover of stator is equipped with the rotor, the axle center fixedly connected with output shaft of rotor, the left end of output shaft runs through the left side to the front shroud, the right-hand member of output shaft runs through the inner chamber to the heat dissipation case, the bearing has been cup jointed on the surface of output shaft, the left side of bearing and the right side fixed connection of front shroud, the top fixedly connected with rose box of motor casing, the air inlet duct has been seted up on the right side of rose box, the inner wall fixedly connected with dust screen of air inlet duct, the inner chamber of rose box is provided with filter mechanism, Cotton fiber filter screen and active carbon adsorption layer, the left side intercommunication of rose box has the exhaust column, the left side intercommunication of exhaust column has the air exhauster, the bottom of air exhauster is provided with installation mechanism, the left side intercommunication of air exhauster has out the tuber pipe, the one end that goes out the tuber pipe and keep away from the air exhauster runs through to the inner chamber and the intercommunication of motor casing and has the ring canal, the top and the bottom of ring canal all are provided with fixed establishment, the right side intercommunication of ring canal has the blower housing.

Preferably, the number of the blowing hoods is six, the six blowing hoods are annularly communicated with the right side of the ring pipe, and the inner cavity of the ring pipe is sleeved on the surface of the output shaft.

Preferably, the surface of the filter shell is fixedly connected with the inner wall of the filter box, and one sides of the cotton fiber filter screen and the activated carbon adsorption layer are fixedly connected with the inner wall of the filter shell.

Preferably, installation mechanism includes the mounting panel, the top fixed connection of bolt and motor casing is all passed through in the four corners at mounting panel top, the equal fixedly connected with installing support in both sides at mounting panel top, the top of installing support and the bottom fixed connection of air exhauster.

Preferably, the fixing mechanism comprises a fixing block, two ends of the inner side of the fixing block are fixedly connected with the inner wall of the motor shell through bolts, a fixing column is fixedly connected to the center of the inner side of the fixing block, and the inner end of the fixing column is fixedly connected with the surface of the ring pipe.

(III) advantageous effects

Compared with the prior art, the utility model provides a closed loop step motor possesses following beneficial effect:

1. the utility model discloses a set up the rose box, the air inlet duct, the dust screen, filtering mechanism, the exhaust column, the air exhauster, installation mechanism, go out the tuber pipe, the ring canal, fixed establishment and the cover of blowing mutually support, the advantage good to closed loop step motor radiating effect has been reached, make closed loop step motor when long-term the use, can effectually blow the heat dissipation to closed loop step motor inside, prevent the inside problem that high temperature burns out of appearing of closed loop step motor, closed loop step motor's life has been prolonged, user's user demand can be satisfied.

2. The utility model discloses a set up the air inlet duct, play the effect that conveniently admits air to the inner chamber of rose box, through setting up the dust screen, play dirt-proof effect to the inner chamber of rose box, through setting up filtering mechanism, play filtration and absorbent effect to the impurity in the air, through setting up installation mechanism, play easy to assemble's effect to the air exhauster, through setting up fixed establishment, play the fixed effect of easy to assemble to the ring canal, through setting up the blower housing, play the radiating effect of blowing to the inner chamber of motor casing.

Drawings

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

FIG. 2 is an enlarged view of the cross section of the internal structure of the filtering box of the present invention;

fig. 3 is a left side view sectional view of the internal structure of the motor casing of the present invention.

In the figure: 1. a motor housing; 2. a front cover plate; 3. a heat dissipation box; 4. heat dissipation fins; 5. a stator; 6. a rotor; 7. an output shaft; 8. a bearing; 9. a filter box; 10. an air inlet groove; 11. a dust screen; 12. a filtering mechanism; 121. a filter shell; 122. a cotton fiber filter screen; 123. an activated carbon adsorption layer; 13. an exhaust pipe; 14. an exhaust fan; 15. an installation mechanism; 151. mounting a plate; 152. mounting a bracket; 16. an air outlet pipe; 17. a ring pipe; 18. a fixing mechanism; 181. a fixed block; 182. fixing a column; 19. a blower housing.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

All the components of the present invention are general standard components or components known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through technical manuals or through routine experimental methods.

Referring to fig. 1-3, a closed-loop stepping motor comprises a motor casing 1, a front cover plate 2 is fixedly installed on the left side of the motor casing 1, a heat dissipation box 3 is fixedly installed on the right side of the motor casing 1, heat dissipation fins 4 are fixedly connected on the right side of the heat dissipation box 3, a stator 5 is fixedly connected on the inner wall of the motor casing 1, a rotor 6 is sleeved in an inner cavity of the stator 5, an output shaft 7 is fixedly connected at the axis of the rotor 6, the left end of the output shaft 7 penetrates through the left side of the front cover plate 2, the right end of the output shaft 7 penetrates through the inner cavity of the heat dissipation box 3, a bearing 8 is sleeved on the surface of the output shaft 7, the left side of the bearing 8 is fixedly connected with the right side of the front cover plate 2, a filter box 9 is fixedly connected on the top of the motor casing 1, an air inlet slot 10 is formed on the, the filtering mechanism 12 comprises a filtering shell 121, a cotton fiber filtering net 122 and an active carbon adsorption layer 123, the left side of the filtering box 9 is communicated with an exhaust pipe 13, the left side of the exhaust pipe 13 is communicated with an exhaust fan 14, the bottom of the exhaust fan 14 is provided with an installation mechanism 15, the left side of the exhaust fan 14 is communicated with an air outlet pipe 16, one end of the air outlet pipe 16, far away from the exhaust fan 14, penetrates through the inner cavity of the motor shell 1 and is communicated with a circular pipe 17, the top and the bottom of the circular pipe 17 are both provided with a fixing mechanism 18, the right side of the circular pipe 17 is communicated with an air blowing cover 19, the number of the air blowing covers 19 is six, the six air blowing covers 19 are annularly communicated on the right side of the circular pipe 17, the inner cavity of the circular pipe 17 is sleeved on the surface of the output shaft 7, the surface of the filtering shell 121 is fixedly connected with the inner wall of the filtering, four corners of the top of the mounting plate 151 are fixedly connected with the top of the motor casing 1 through bolts, two sides of the top of the mounting plate 151 are fixedly connected with mounting brackets 152, the top of the mounting brackets 152 is fixedly connected with the bottom of the exhaust fan 14, the fixing mechanism 18 comprises a fixing block 181, two ends of the inner side of the fixing block 181 are fixedly connected with the inner wall of the motor casing 1 through bolts, a fixing column 182 is fixedly connected at the center of the inner side of the fixing block 181, the inner end of the fixing column 182 is fixedly connected with the surface of the ring pipe 17, the inner cavity of the filter box 9 is convenient to air intake by arranging an air inlet groove 10, the inner cavity of the filter box 9 is dustproof by arranging a dustproof net 11, impurities in the air are filtered and adsorbed by arranging a filter mechanism 12, the mounting mechanism 15 is convenient to mount the exhaust fan 14, and the fixing mechanism 18 is arranged, play the fixed effect of easy to assemble to ring canal 17, through setting up blower housing 19, play the radiating effect of blowing to the inner chamber of motor casing 1, through setting up rose box 9, air inlet duct 10, dust screen 11, filtering mechanism 12, exhaust column 13, air exhauster 14, installation mechanism 15, go out tuber pipe 16, ring canal 17, fixing mechanism 18 and blower housing 19 mutually support, the advantage good to closed loop step motor radiating effect has been reached, make closed loop step motor when using for a long time, can effectually blow the heat dissipation to closed loop step motor inside, prevent that the inside problem that high temperature burns out from appearing of closed loop step motor, closed loop step motor's life has been prolonged, user's user demand can be satisfied.

When in use, a worker firstly opens the exhaust fan 14 through the external controller, the exhaust fan 14 is started to pump air in the inner cavity of the filter box 9 through the exhaust pipe 13, so that the inner cavity of the filter box 9 generates negative pressure, then the air is fed into the inner cavity of the filter box 9 through the air inlet groove 10, then the dust-proof net 11 is used for preventing the dust in the inner cavity of the filter box 9, then the air enters the inner cavity of the filter box 9 and filters and adsorbs impurities in the air through the cotton fiber filter screen 122 and the activated carbon adsorption layer 123, then the air after filtering gets into ring canal 17 through going out tuber pipe 16, then the rethread fan housing 19 is to the inner chamber of motor casing 1 heat dissipation of blowing, makes hot-air discharge to the outside of motor casing 1 through heat dissipation case 3 and motor casing 1, prevents that the inner chamber of motor casing 1 from appearing high temperature and burning out to reach the good advantage of closed loop step motor radiating effect.

The standard parts used in this application document all can be purchased from the market, and can be customized according to the record of description and drawings, the concrete connection mode of each part all adopts conventional means such as mature bolt, rivet, welding among the prior art, machinery, part and equipment all adopt conventional model among the prior art, the control mode is automatic control through the controller, the control circuit of controller can realize through technical staff's simple programming in this field, belong to the common general knowledge in this field, and the utility model discloses mainly be used for protecting mechanical device, so the utility model discloses no longer explain control mode and circuit connection in detail, and the peripheral controller that mentions in the description can play the control role for the electrical components that this article mention, and this peripheral controller is conventional known equipment.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A closed-loop stepping motor comprises a motor shell (1), and is characterized in that: the motor comprises a motor shell (1), a front cover plate (2) is fixedly mounted on the left side of the motor shell (1), a heat dissipation box (3) is fixedly mounted on the right side of the motor shell (1), heat dissipation fins (4) are fixedly connected to the right side of the heat dissipation box (3), a stator (5) is fixedly connected to the inner wall of the motor shell (1), a rotor (6) is sleeved in an inner cavity of the stator (5), an output shaft (7) is fixedly connected to the axis of the rotor (6), the left end of the output shaft (7) penetrates through the left side of the front cover plate (2), the right end of the output shaft (7) penetrates through the inner cavity of the heat dissipation box (3), a bearing (8) is sleeved on the surface of the output shaft (7), the left side of the bearing (8) is fixedly connected with the right side of the front cover plate (2), a filter box (9) is fixedly connected to the top of the motor shell (1, inner wall fixedly connected with dust screen (11) of air inlet duct (10), the inner chamber of rose box (9) is provided with filtering mechanism (12), filtering mechanism (12) are including filtering shell (121), cotton fiber filter screen (122) and active carbon adsorption layer (123), the left side intercommunication of rose box (9) has exhaust column (13), the left side intercommunication of exhaust column (13) has air exhauster (14), the bottom of air exhauster (14) is provided with installation mechanism (15), the left side intercommunication of air exhauster (14) has air-out pipe (16), the one end that air exhauster (14) were kept away from to air-out pipe (16) runs through to the inner chamber and the intercommunication of motor casing (1) has ring pipe (17), the top and the bottom of ring pipe (17) all are provided with fixed establishment (18), the right side intercommunication of ring pipe (17) has air-blowing cover (19).

2. A closed loop stepper motor as defined in claim 1, wherein: the number of the blowing hoods (19) is six, the six blowing hoods (19) are annularly communicated with the right side of the ring pipe (17), and the inner cavity of the ring pipe (17) is sleeved on the surface of the output shaft (7).

3. A closed loop stepper motor as defined in claim 1, wherein: the surface of the filtering shell (121) is fixedly connected with the inner wall of the filtering box (9), and one sides of the cotton fiber filtering net (122) and the activated carbon adsorption layer (123) are fixedly connected with the inner wall of the filtering shell (121).

4. A closed loop stepper motor as defined in claim 1, wherein: installation mechanism (15) include mounting panel (151), the top fixed connection of bolt and motor casing (1) is all passed through in the four corners at mounting panel (151) top, the equal fixedly connected with installing support (152) in both sides at mounting panel (151) top, the bottom fixed connection of the top of installing support (152) and air exhauster (14).

5. A closed loop stepper motor as defined in claim 1, wherein: the fixing mechanism (18) comprises a fixing block (181), two ends of the inner side of the fixing block (181) are fixedly connected with the inner wall of the motor casing (1) through bolts, a fixing column (182) is fixedly connected to the center of the inner side of the fixing block (181), and the inner end of the fixing column (182) is fixedly connected with the surface of the ring pipe (17).