Strength magnetic glue clutch
A clutch and magnetic glue technology, applied in the field of clutches, can solve the problems of low manufacturing and use costs, and achieve the effects of simple and compact structure, small volume, and easy assembly and disassembly
Inactive Publication Date: 2012-01-18
CHONGQING UNIV
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Problems solved by technology
[0007] In view of this, the object of the present invention is to provide a powerful magnetic rubber clutch, which has all the advantages of magnetic powder brakes, does not have the problems of existing magnetic powder brakes during use, and does not have precipitation and leakage problems, and has low manufacturing and use costs
Method used
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[0018] figure 1 Is a schematic diagram of the radial cross-sectional structure of the present invention, figure 2 for figure 1 A cross-sectional view along the AA direction, as shown in the figure: the strong magnetic rubber clutch of this embodiment includes a box body 4 and a driving shaft 1 and a driven shaft 2 which are coaxially arranged and rotatably matched with the box body 4, the driven shaft 2 The inner end of the drive shaft 1 forms an axially annular sink groove, the inner end of the drive shaft 1 extends into the annular sink, and the outer circular surface and the inner circular surface of the annular sink form a closed magnetic glue cavity 3 in the magnetic glue cavity 3 Filled with magnetic glue; the outer surface of the drive shaft 1 and the magnetic glue cavity 3 forms a cam structure that gradually decreases along the transmission direction; it also includes an excitation coil 5, the magnetic field lines of the excitation coil 5 pass through the magnetic glue...
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The invention discloses a strength magnetic glue clutch, comprising a box body, and a driving shaft and a driven shaft which are coaxially arranged and are rotationally matched with the box body respectively, an axial ring-shaped sinking groove is formed at the end part of the inner side of the driven shaft, the end part of the inner side of the driving shaft is extended in the ring-shaped sinking groove and the outer circumference surface of the driving shaft and the inner circumference surface of the ring-shaped sinking groove form a closed magnetic glue cavity, and magnetic glue is filled in the magnetic glue cavity, a cam structure which is gradually descended along the transmission direction is formed on the outer circumference surface of the driving shaft, corresponding to the magnetic glue cavity, and the line of magnetic force of a magnet exciting coil penetrates through the magnetic glue cavity; the strength magnetic glue clutch has the advantages of a magnetic powder brake and has no problems of magnetic powder caking and corrosion, and sedimentation and leakage; when in meshing, the extrusion of the magnetic glue is realized for increasing the engagement force of the driving shaft and the driven shaft, and the purposes that rapid engagement is realized and the engagement strength is improved without increasing the coil power to increase the electromagnetic force; the structure is simple and compact, the volume is small, the quantity of the parts is less, the assembly and disassembly are convenient and the maintaining cost is saved.
Description
Technical field [0001] The invention relates to a clutch, in particular to a powerful magnetic rubber clutch. Background technique [0002] The main principle of the magnetic powder clutch is to place magnetic powder between the driving shaft and the driven shaft. When the power is not applied, the magnetic powder is in a loose state. When the power is applied, the magnetic powder is combined, and the driving part and the driven part rotate at the same time. The torque can be adjusted by adjusting the current, allowing greater slip. In the prior art, magnetic powder clutches have problems such as magnetic powder corrosion, severe powder particle wear, seizure during startup, and agglomeration caused by mutual attraction between magnetic powders. As a result, the clutch output torque is unstable and the clutch performance is unstable. Shorten the service life of the clutch and also affect the precise control of the motion machinery. [0003] In order to solve the above-mentioned p...
Claims
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IPC IPC(8): F16D35/00
Inventor 梁锡昌吕宏展肖山
Owner CHONGQING UNIV