CN113285576A

CN113285576A - Permanent magnet synchronous clutch

Info

Publication number: CN113285576A
Application number: CN202110495218.9A
Authority: CN
Inventors: 余竹艳; 邵玉峰
Original assignee: Anhui Wofu Permanent Magnet Technology Co Ltd
Current assignee: Anhui Wofu Permanent Magnet Technology Co Ltd
Priority date: 2021-05-07
Filing date: 2021-05-07
Publication date: 2021-08-20

Abstract

The invention discloses a permanent magnet synchronous clutch, which comprises a base, wherein a permanent magnet motor, a load, an adjusting mechanism and a positioning plate are arranged on the upper surface of the base, the adjusting mechanism and the positioning plate are positioned between the permanent magnet motor and the load, the load is positioned on one side of the permanent magnet motor, the positioning plate is positioned on one side of the adjusting mechanism away from the permanent magnet motor, the adjusting mechanism comprises a protective box body, a driving component, a driven component, a moving component and two fixing seats are arranged in the protective box body, the driven component is positioned on one side of the driving component, the moving component is positioned on one side of the driven component away from the driving component, the fixing seats are positioned on one side of the moving component away from the driven component, the number of the fixing seats is two, and the two fixing seats are horizontally arranged side by side, the invention realizes the switching between the rotating state and the stalling state of the load by adjusting the size of an air gap between the driving permanent magnet rotor and the driven permanent magnet rotor through the moving component, the clutch control function is realized.

Description

Permanent magnet synchronous clutch

Technical Field

The invention relates to the technical field of permanent magnet motors, in particular to a permanent magnet synchronous clutch.

Background

The clutch is similar to a switch, the power transmission is connected or disconnected, a driving part and a driven part of the clutch mechanism can be temporarily separated and can be gradually connected, the clutch can be divided into a mechanical clutch, a pneumatic clutch, a hydraulic clutch, an electromagnetic clutch, an overrunning clutch, a centrifugal clutch, a safety clutch and the like, wherein the electromagnetic clutch can be divided into: dry single-disc electromagnetic clutches, dry multi-disc electromagnetic clutches, wet multi-disc electromagnetic clutches, magnetic powder clutches, slip electromagnetic clutches, and the like.

The existing clutch realizes the connection and the separation of a motor and a load by manpower, and the switching of the two states of the rotation and the stalling of the load has the problem of inconvenient switching.

Disclosure of Invention

In order to overcome the technical problems, the invention aims to provide a permanent magnet synchronous clutch, which realizes the switching of two states of load rotation and stalling by adjusting the size of an air gap between a driving permanent magnet rotor and a driven permanent magnet rotor through a moving assembly, and plays a role in controlling the clutch; besides the permanent magnet motor driving the load to rotate, the size of the air gap is adjusted, so that the rotating speed of the load can be adjusted.

The purpose of the invention can be realized by the following technical scheme:

the utility model provides a permanent magnet synchronous clutch, includes the base, the last surface mounting of base has permanent-magnet machine, load, adjustment mechanism and locating plate all are located between permanent-magnet machine and the load, the load is located one side of permanent-magnet machine, the locating plate is located one side that permanent-magnet machine was kept away from to adjustment mechanism.

As a further scheme of the invention: adjustment mechanism contains the protection box, and protection box internally mounted has initiative subassembly, driven subassembly, removal subassembly and fixing base, driven subassembly is located one side of initiative subassembly, it is located one side that the initiative subassembly was kept away from to the driven subassembly to remove the subassembly, the fixing base is located one side that the driven subassembly was kept away from to the removal subassembly, the quantity of fixing base is two, two the fixing base is the level and sets up side by side.

As a further scheme of the invention: the driving assembly comprises a driving shaft rod, a first magnetic disc, a first magnetic block and a first shell, the driving shaft rod is arranged inside the first magnetic disc, the first shell is arranged on the outer surface of the first magnetic disc, and a plurality of first magnetic blocks are arranged on one side, far away from the first shell, of the first magnetic disc;

the first magnetic blocks are arranged at equal intervals;

one end of the driving shaft rod penetrates through the first shell and is connected with the output end of the permanent magnet motor, and the other end of the driving shaft rod, the first magnetic block and the first magnetic disk are located on the same vertical plane with the first shell.

As a further scheme of the invention: the driven assembly comprises a driven shaft lever, a second magnetic disc, a second magnetic block and a second shell, the driven shaft lever is installed inside the second magnetic disc, the second shell is installed on the outer surface of the second magnetic disc, and a plurality of second magnetic blocks are arranged on one side, away from the second shell, of the second magnetic disc;

the number of the second magnetic blocks is the same as that of the first magnetic blocks, and the second magnetic blocks are arranged at equal intervals;

one end of the driven shaft rod penetrates through the second shell and the positioning plate to be connected with a load, and the other end of the driven shaft rod, the second magnetic disc and the second magnetic block are located on the same vertical plane with the second shell.

As a further scheme of the invention: one end of the second shell extends into the first shell, and an air gap is formed between the second shell and the first shell.

The movable assembly comprises a circular ring, a connecting block and an electric telescopic rod, the circular ring is rotatably installed on the outer surface of the driven shaft rod, the connecting block is symmetrically installed on the outer surface of the circular ring, the electric telescopic rod is installed on one side of the connecting block, and one end, far away from the connecting block, of the electric telescopic rod is connected with the fixing base.

The invention has the beneficial effects that:

in the invention, the adjusting mechanism can adjust the size of the air gap between the driving permanent magnet rotor and the driven permanent magnet rotor through the moving assembly to realize the switching between the two states of the rotation and the stop of the load, thereby playing the role of controlling the clutch;

the permanent magnet motor can drive the load to rotate, and the size of the air gap is adjusted, so that the rotating speed of the load is adjusted;

the locating plate that sets up makes the difficult skew of appearance of driven shaft pole position in the horizontal migration process lead to the load operation to receive the problem of influence.

Drawings

The invention will be further described with reference to the accompanying drawings.

FIG. 1 is a top view of the overall structure of the present invention;

FIG. 2 is a front view of the adjustment mechanism of the present invention;

FIG. 3 is a side view of the overall structure of the active assembly of the present invention;

fig. 4 is a side view of the overall construction of the driven assembly of the present invention.

In the figure: 1. a base; 2. a permanent magnet motor; 3. a load; 4. an adjustment mechanism; 5. positioning a plate; 41. an active component; 42. a driven assembly; 43. a moving assembly; 44. a fixed seat; 431. a circular ring; 432. connecting blocks; 433. an electric telescopic rod; 411. an active shaft lever; 412. a first magnetic block; 413. a first shell; 421. a driven shaft lever; 422. a second magnetic block; 423. and a second shell.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a permanent magnet synchronous clutch includes a base 1, a permanent magnet motor 2, a load 3, an adjusting mechanism 4 and a positioning plate 5 are mounted on an upper surface of the base 1, the adjusting mechanism 4 and the positioning plate 5 are both located between the permanent magnet motor 2 and the load 3, the load 3 is located on one side of the permanent magnet motor 2, and the positioning plate 5 is located on one side of the adjusting mechanism 4 away from the permanent magnet motor 2;

the adjusting mechanism 4 comprises a protective box body, a driving component 41, a driven component 42, a moving component 43 and a fixed seat 44 are installed in the protective box body, the driven component 42 is located on one side of the driving component 41, the moving component 43 is located on one side, far away from the driving component 41, of the driven component 42, the fixed seat 44 is located on one side, far away from the driven component 42, of the moving component 43, the number of the fixed seats 44 is two, and the two fixed seats 44 are horizontally arranged side by side;

the driving assembly 41 comprises a driving shaft 411, a first magnetic disc, a first magnetic block 412 and a first shell 413, wherein the driving shaft 411 is installed inside the first magnetic disc, the first shell 413 is installed on the outer surface of the first magnetic disc, and a plurality of first magnetic blocks 412 are arranged on one side of the first magnetic disc, which is far away from the first shell 413;

the plurality of first magnetic blocks 412 are arranged at equal intervals;

one end of the driving shaft 411 penetrates through the first shell 413 to be connected with the output end of the permanent magnet motor 2, and the other end of the driving shaft 411, the first magnetic block 412 and the first magnetic disk are all located on the same vertical plane with the first shell 413;

the driven assembly 42 comprises a driven shaft 421, a second magnetic disk, a second magnetic block 422 and a second casing 423, the driven shaft 421 is installed inside the second magnetic disk, the second casing 423 is installed on the outer surface of the second magnetic disk, and a plurality of second magnetic blocks 422 are arranged on one side, away from the second casing 423, of the second magnetic disk;

the number of the second magnetic blocks 422 is the same as that of the first magnetic blocks 412, and the second magnetic blocks 422 are arranged at equal intervals;

one end of the driven shaft 421 penetrates through the second casing 423 and the positioning plate 5 to be connected with the load 3, and the other end of the driven shaft 421, the second magnetic disc and the second magnetic block 422 are all in the same vertical plane with the second casing 423;

one end of the second housing 423 extends to the inside of the first housing 413, and an air gap exists between the second housing 423 and the first housing 413;

the moving assembly 43 comprises a circular ring 431, a connecting block 432 and an electric telescopic rod 433, the circular ring 431 is rotatably installed on the outer surface of the driven shaft 421, the connecting block 432 is symmetrically installed on the outer surface of the circular ring 431, the electric telescopic rod 433 is installed on one side of the connecting block 432, and one end, far away from the connecting block 432, of the electric telescopic rod 433 is connected with the fixed seat 44.

The working principle of the invention is as follows:

in the invention, the driving component 41 is a driving permanent magnet rotor, the driven component 42 is a driven permanent magnet rotor, and the switching between the two states of rotation and stalling of the load 3 is realized by mainly adjusting the size of an air gap between the driving permanent magnet rotor and the driven permanent magnet rotor through the moving component 43;

the method specifically comprises the following steps: the permanent magnet motor 2 drives the driving permanent magnet rotor to rotate, the driving permanent magnet rotor drives the driven permanent magnet rotor to synchronously rotate through the interaction force of the first magnetic block 412 and the second magnetic block 422, and the driven permanent magnet rotor drives the load 3 to rotate, so that the synchronous rotation of the permanent magnet motor 2 and the load 3 is realized;

the air gap size between the subassembly 43 changes initiative permanent magnet rotor and the driven permanent magnet rotor is removed in the start-up, electric telescopic handle 433 passes through connecting block 432 and drives ring 431 and remove to the direction of keeping away from initiative permanent magnet rotor, and then drive driven axostylus axostyle 421 and remove to the direction of keeping away from initiative permanent magnet rotor, make the air gap increase between initiative permanent magnet rotor and the driven permanent magnet rotor, 3 rotational speeds of load are the biggest when the air gap is minimum, when the air gap increases to a certain extent, load 3 stall, the air gap size that needs to reach during the stall is confirmed according to actual conditions, remove subassembly 43 and play the effect of control separation and reunion.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is illustrative and explanatory only and is not intended to be exhaustive or to limit the invention to the precise embodiments described, and various modifications, additions, and substitutions may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the claims.

Claims

1. The utility model provides a permanent magnetism synchronous clutch, includes base (1), its characterized in that, the last surface mounting of base (1) has permanent-magnet machine (2), load (3), adjustment mechanism (4) and locating plate (5) all are located between permanent-magnet machine (2) and load (3), load (3) are located one side of permanent-magnet machine (2), locating plate (5) are located one side that permanent-magnet machine (2) were kept away from in adjustment mechanism (4).

2. The permanent-magnet synchronous clutch according to claim 1, wherein the adjusting mechanism (4) comprises a protective box body, a driving component (41), a driven component (42), a moving component (43) and fixing seats (44) are mounted inside the protective box body, the driven component (42) is located on one side of the driving component (41), the moving component (43) is located on one side, away from the driving component (41), of the driven component (42), the fixing seats (44) are located on one side, away from the driven component (42), of the moving component (43), the number of the fixing seats (44) is two, and the two fixing seats (44) are horizontally arranged side by side.

3. The permanent magnet synchronous clutch according to claim 2, wherein the driving assembly (41) comprises a driving shaft rod (411), a first magnetic disc, a first magnetic block (412) and a first shell (413), the driving shaft rod (411) is installed inside the first magnetic disc, the first shell (413) is installed on the outer surface of the first magnetic disc, a plurality of first magnetic blocks (412) are arranged on one side, away from the first shell (413), of the first magnetic disc, and one end of the driving shaft rod (411) penetrates through the first shell (413) to be connected with the output end of the permanent magnet motor (2).

4. A permanent-magnet synchronous clutch according to claim 3, characterized in that a plurality of said first magnetic blocks (412) are arranged equidistantly.

5. The permanent-magnet synchronous clutch according to claim 2, wherein the driven assembly (42) comprises a driven shaft rod (421), a second magnetic disc, a second magnetic block (422) and a second housing (423), the driven shaft rod (421) is installed inside the second magnetic disc, the second housing (423) is installed on the outer surface of the second magnetic disc, a plurality of second magnetic blocks (422) are arranged on one side of the second magnetic disc, which is far away from the second housing (423), and one end of the driven shaft rod (421) penetrates through the second housing (423) and the positioning plate (5) to be connected with the load (3).

6. The permanent magnet synchronous clutch according to claim 5, wherein the number of the second magnetic blocks (422) is the same as that of the first magnetic blocks (412), the second magnetic blocks (422) are arranged at equal intervals, one end of the second casing (423) extends to the inside of the first casing (413), and an air gap is formed between the second casing (423) and the first casing (413).

7. The permanent magnet synchronous clutch according to claim 2, wherein the moving assembly (43) comprises a ring (431), a connecting block (432) and an electric telescopic rod (433), the ring (431) is rotatably mounted on the outer surface of the driven shaft (421), the connecting block (432) is symmetrically mounted on the outer surface of the ring (431), the electric telescopic rod (433) is mounted on one side of the connecting block (432), and one end of the electric telescopic rod (433) far away from the connecting block (432) is connected with the fixed base (44).