Self-lubricating ball isolation block of flexible bearing
A technology of flexible bearings and spacers, which is applied in the direction of bearing components, shafts and bearings, mechanical equipment, etc., can solve the problems of complex structure, difficult processing, and many varieties of oil storage tanks, and achieve simple structure, improved service life, and wide selection range Effect
Inactive Publication Date: 2016-03-23
NINGBO CIXING BEARING
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Problems solved by technology
[0004] Patent Application No. 201510463647.2 "A Bearing Isolation Block" is also used in place of the bearing cage to ensure that a large amount of lubricating grease can be stored and has good fluidity, but the oil storage tank has a complex structure, many varieties, and difficult processing
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[0010] Embodiments of the present invention will be further described below in conjunction with the accompanying drawings.
[0011] refer to Figure 1 ~ Figure 2 , Use multiple independent and evenly distributed spacers to replace the cage in the original rolling bearing.
[0012] The isolation block is composed of a block body 1 and a spherical groove 2 and an inner concave arc surface 4 thereon.
[0013] The spacer block is made of microporous 3 non-metallic material, which has certain elasticity, such as polyimide or phenolic bakelite, the diameter of the micropores is from 0.5 microns to 2 mm, and the porosity is 5-70%. According to the size and working conditions, materials with different micropores and porosity are selected for production.
[0014] The block 1 is an overall structure covered with evenly distributed micropores 3, and is made of microporous non-metallic material through machining into a symmetrical drum-shaped entity with large ends and small middle.
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The invention discloses a self-lubricating ball isolation block of a flexible bearing. The self-lubricating ball isolation block comprises a block body. Spherical grooves matched with balls for positioning are formed in the two end faces of the block body. The block body is made of a microporous non-metal material, and the lateral sides of the block body are inwards-concave arc faces. The self-lubricating ball isolation block is made of the microporous non-metal material such as polyimide and phenolic bakelite in a machined mode, the average micropore diameter of the material ranges from 0.5 micron to 2 millimeters, and the porosity ranges from 5% to 70%. Different micropore materials are selected according to the sizes of bearings, use is convenient and flexible, the selection range is wide and free of limitation, and a worker does not need to machine numerous oil storage grooves; the material is of a micropore structure, the self-lubricating function is achieved, working conditions of the bearing are improved, and manufacturing cost is reduced. The isolation block is simple in structure and convenient to machine and use, the manufacturing accuracy is further guaranteed, movement conditions of the balls are greatly improved, the service life of the bearing is prolonged, and gaps between the balls and the isolation block can be automatically adjusted.
Description
technical field [0001] The invention relates to an important part on a rolling bearing, in particular to a self-lubricating ball spacer block of a flexible bearing. Background technique [0002] The harmonic reducer is an important part of the robot, but the ball bearing used in the existing harmonic reducer still adopts an integral cage structure. The movement speed of the balls at different positions in the flexible bearing is different, and the cage The movement speed of each ball is different. During the movement, due to the continuous deformation of the cage and the relative friction between the cage and the balls, it is easy to cause early failure of the cage, which directly affects the service life of the ball bearing. [0003] Patent Application No. 201310734579.X "High Temperature Ball Bearing with Special Structure Graphite Spacer Block" is mainly used for ball bearings used in the steel industry, that is, graphite material is used as a solid lubricant as a spacer ...
Claims
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IPC IPC(8): F16C33/374
CPCF16C33/374
Inventor 苏达士
Owner NINGBO CIXING BEARING