CN217721003U

CN217721003U - Permanent magnet coupler with air cooling assembly

Info

Publication number: CN217721003U
Application number: CN202221956572.3U
Authority: CN
Inventors: 庞玉新
Original assignee: Dalian Permanent Magnet Coupling Co ltd
Current assignee: Dalian Permanent Magnet Coupling Co ltd
Priority date: 2022-07-27
Filing date: 2022-07-27
Publication date: 2022-11-01
Anticipated expiration: 2032-07-27

Abstract

The utility model discloses a permanent magnet coupler with air cooling assembly, which belongs to the technical field of permanent magnet coupler and comprises a shell, wherein the inner cavity of the shell is respectively provided with a conductor disc and a rotor disc, the rotor disc is positioned at the inner side of the conductor disc, and the outer sides of the conductor disc and the rotor disc are respectively provided with a motor shaft and a load shaft; through the shell, the protection box, the fan, the opening, the setting of inlet port and louvre, at permanent magnet coupler during operation, start the fan simultaneously, rotatory fan passes through the inlet port and inhales the outside air, inside the outside air passes through the opening and gets into the shell, along with the entering of outside air, make the inside atmospheric pressure of shell increase thereupon, at this moment, the inside air of shell will be discharged through the louvre, the inside of shell can be discharged along with the air to the heat that makes the inside air of shell and fin heat transfer produce, the inside circulation of air of shell has been improved, can improve the heat exchange efficiency of fin, the cooling effect of permanent magnet coupler has been guaranteed.

Description

Permanent magnet coupler with air cooling assembly

Technical Field

The utility model relates to a permanent magnet coupler technical field specifically is a permanent magnet coupler with forced air cooling subassembly.

Background

A permanent magnet coupler, also known as a magnetic coupler, is a device for realizing torque transmission from a motor to a load through an air gap between a conductor and a permanent magnet, and can realize a transmission mode without mechanical connection between the motor and the load.

The existing permanent magnet coupler is generally cooled by heat exchange between a radiating fin and outside air, when the radiating fin exchanges heat with the outside air, the temperature of the outside air around the radiating fin rises due to the heat exchange, at this time, if the outside air circulates unsmoothly, the heat exchange efficiency of the radiating fin is affected, and then the cooling effect of the permanent magnet coupler is affected, so that a permanent magnet coupler with an air cooling assembly needs to be provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a permanent magnet coupler with forced air cooling subassembly possesses the flow that has improved the outside air and has guaranteed fin and outside air heat exchange efficiency's advantage to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a permanent magnet coupler with air cooling subassembly, includes the shell, the inner chamber of shell is provided with conductor dish and rotor dish respectively, the rotor dish is located the inboard of conductor dish, motor shaft and load axle are installed respectively in the outside of conductor dish and rotor dish, the outer end of motor shaft and load axle runs through the shell respectively and extends to the outside of shell, the protection box is installed to the bottom of shell, the fan is installed to the inner chamber of protection box, the fin is installed to the equal equidistance in the outside of conductor dish.

Preferably, the conductor dish includes first guide disc, one side of first guide disc is connected with the one end of motor shaft, the fixed plate is installed to the opposite side equidistance of first guide disc, one side of fixed plate is connected with the second guide disc, first guide disc, fixed plate and second guide disc pass through bolt fixed connection.

Preferably, the rotor dish includes the rotor carousel, one side of rotor carousel is connected with the one end of load axle, the recess has been seted up to the outside equidistance of rotor carousel, the permanent magnet is installed to the inner chamber of recess, the permanent magnet sets up through a positive negative staggered arrangement with the surface of rotor carousel.

Preferably, bearing blocks are arranged on the surfaces of the motor shaft and the load shaft, and the outer surfaces of the bearing blocks are fixedly connected with the shell respectively.

Preferably, the top of the protection box and the bottom of the shell are both provided with openings, and the top of the shell and the bottom of the protection box are respectively provided with an air inlet hole and a heat dissipation hole.

Preferably, the inner ends of the motor shaft and the load shaft are both connected with a fixed disc, and the fixed disc is fixedly connected with the outer sides of the first guide disc and the rotor turntable through screws.

Preferably, the tops of both sides of the protection box are connected with connecting plates, the inner sides of the connecting plates are respectively fixedly connected with the bottoms of both sides of the shell through hexagonal screws, and balancing weights are installed at the bottom of the protection box.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses an outer shell, the protective housing, the fan, the opening, the setting of inlet port and louvre, at permanent magnet coupler during operation, start the fan simultaneously, rotatory fan passes through the inlet port and inhales the outside air, inside the outside air passes through the opening and gets into the shell, along with the entering of outside air, make the inside atmospheric pressure of shell increase thereupon, at this moment, the inside air of shell will be discharged through the louvre, the inside of shell can be discharged along with the air with the heat that the fin heat transfer of messenger's inside air produced, the inside circulation of air of shell has been improved, can improve the heat exchange efficiency of fin, the cooling effect of permanent magnet coupler has been guaranteed.

Drawings

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

FIG. 2 is a schematic view of the front cross-sectional structure of the present invention;

fig. 3 is a schematic structural diagram of a rotor disc of the present invention;

fig. 4 is a schematic view of the conductor disc structure of the present invention.

In the figure: 1. a housing; 2. a conductor disc; 3. a rotor disk; 4. a motor shaft; 5. a load shaft; 6. a protective box; 7. a fan; 8. a heat sink; 201. a first guide disc; 202. a fixing plate; 203. a second guide disc; 301. a rotor turntable; 302. a permanent magnet; 9. a bearing seat; 10. fixing the disc; 11. a connecting plate; 12. and a balancing weight.

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.

Referring to fig. 1-4, the present invention provides a technical solution: a permanent magnet coupler with an air cooling assembly comprises a shell 1, an inner cavity of the shell 1 is respectively provided with a conductor disc 2 and a rotor disc 3, the rotor disc 3 is located on the inner side of the conductor disc 2, the outer sides of the conductor disc 2 and the rotor disc 3 are respectively provided with a motor shaft 4 and a load shaft 5, the outer ends of the motor shaft 4 and the load shaft 5 respectively penetrate through the shell 1 and extend to the outside of the shell 1, a protection box 6 is installed at the bottom of the shell 1, a fan 7 is installed in the inner cavity of the protection box 6, cooling fins 8 are installed on the outer sides of the conductor disc 2 at equal intervals, the shell 1, the protection box 6, the fan 7, an opening, an air inlet hole and the cooling holes are arranged, when the permanent magnet coupler works, the fan 7 is started simultaneously, the rotating fan 7 sucks external air through the air inlet hole, the external air enters the shell 1 through the air inlet hole, the air pressure inside the shell 1 is increased along with the entering of the external air, the air inside the shell 1 at the moment, the air inside the shell 1 can be discharged through the cooling holes, heat generated by heat exchange of the air inside the cooling fins 8 can be discharged out of the shell 1 along with the air, the air flowing of the cooling fins, and the coupler is guaranteed, and the cooling efficiency of the permanent magnet coupler is guaranteed.

Referring to fig. 1-4, the conductor disc 2 includes a first guide disc 201, one side of the first guide disc 201 is connected with one end of the motor shaft 4, the other side of the first guide disc 201 is equidistantly provided with a fixing plate 202, one side of the fixing plate 202 is connected with a second guide disc 203, the first guide disc 201, the fixing plate 202 and the second guide disc 203 are fixedly connected through bolts, the rotor disc 3 includes a rotor turntable 301, one side of the rotor turntable 301 is connected with one end of the load shaft 5, the outer side of the rotor turntable 301 is equidistantly provided with a groove, the inner cavity of the groove is provided with permanent magnets 302, the permanent magnets 302 are arranged on the surface of the rotor turntable 301 in a positive-negative staggered manner, when the conductor disc 2 and the rotor disc 3 move relatively, the conductor disc 2 cuts magnetic lines of force, eddy current is generated in the conductor, the eddy current further generates a counter-induction magnetic field, and interacts with the magnetic field generated by the permanent magnets 302, thereby realizing torque transmission between the conductor disc 2 and the rotor disc 3;

bearing seats 9 are respectively arranged on the surfaces of the motor shaft 4 and the load shaft 5, the outer surfaces of the bearing seats 9 are respectively fixedly connected with the shell 1, the bearing seats 9 are arranged, when the motor shaft 4 and the load shaft 5 rotate, the shell 1 can be in a static state, the surface shell 1 rotates, openings are respectively formed in the top of the protection box 6 and the bottom of the shell 1, air can conveniently pass through the openings, air inlets and heat dissipation holes are respectively formed in the top of the shell 1 and the bottom of the protection box 6, external air can conveniently enter the air inlets, and the heat dissipation holes are convenient for exhausting air in the shell 1;

motor shaft 4 and load axle 5's the inner all is connected with fixed disk 10, fixed disk 10 passes through the screw respectively with first guide plate 201 and rotor disc 301's outside fixed connection, increase fixed effect, the steadiness between motor shaft 4 and load axle 5 and first guide plate 201 and the rotor disc 301 has been improved, the top of 6 both sides of protection box all is connected with connecting plate 11, the inboard of connecting plate 11 is connected through hexagonal screw fixation with the bottom of 1 both sides of shell respectively, the steadiness has been improved, the dismouting of being convenient for when fan 7 breaks down simultaneously, balancing weight 12 is installed to the bottom of protection box 6, reduce the focus of shell 1, the stability of shell 1 has been increased, it is rotatory to have avoided shell 1.

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 permanent magnet coupler with an air-cooled assembly, comprising a housing (1), characterized in that: the inner chamber of shell (1) is provided with conductor dish (2) and rotor dish (3) respectively, rotor dish (3) are located the inboard of conductor dish (2), motor shaft (4) and load axle (5) are installed respectively in the outside of conductor dish (2) and rotor dish (3), the outer end of motor shaft (4) and load axle (5) runs through shell (1) respectively and extends to the outside of shell (1), protection box (6) are installed to the bottom of shell (1), fan (7) are installed to the inner chamber of protection box (6), fin (8) are installed to the equal equidistance in the outside of conductor dish (2).

2. The permanent magnet coupler with an air-cooled assembly of claim 1, wherein: conductor dish (2) are including first guide disc (201), one side and the one end of motor shaft (4) of first guide disc (201) are connected, fixed plate (202) are installed to the opposite side equidistance of first guide disc (201), one side of fixed plate (202) is connected with second guide disc (203), bolt fixed connection is passed through in first guide disc (201), fixed plate (202) and second guide disc (203).

3. The permanent magnet coupler with an air-cooled assembly of claim 2, wherein: rotor dish (3) are including rotor carousel (301), one side and the one end of load axle (5) of rotor carousel (301) are connected, rotor carousel (301)'s outside equidistance is seted up flutedly, permanent magnet (302) are installed to the inner chamber of recess, permanent magnet (302) set up the surface with rotor carousel (301) through a positive negative staggered arrangement.

4. The permanent magnet coupler with an air-cooled assembly of claim 3, wherein: bearing blocks (9) are installed on the surfaces of the motor shaft (4) and the load shaft (5), and the outer surfaces of the bearing blocks (9) are fixedly connected with the shell (1) respectively.

5. The permanent magnet coupler with an air-cooled assembly of claim 4, wherein: openings are formed in the top of the protection box (6) and the bottom of the shell (1), and air inlet holes and heat dissipation holes are formed in the top of the shell (1) and the bottom of the protection box (6) respectively.

6. The permanent magnet coupler with an air-cooled assembly of claim 5, wherein: the inner ends of the motor shaft (4) and the load shaft (5) are both connected with a fixed disc (10), and the fixed disc (10) is fixedly connected with the outer sides of the first guide disc (201) and the rotor turntable (301) through screws.

7. The permanent magnet coupler with an air-cooled assembly of claim 6, wherein: the top of protection box (6) both sides all is connected with connecting plate (11), the inboard of connecting plate (11) is passed through hexagonal screw fixed connection with the bottom of shell (1) both sides respectively, balancing weight (12) are installed to the bottom of protection box (6).