Apparatus for batch polishing of workpieces

Abstract

Disclosed is an apparatus for the batch polishing of workpieces, the apparatus includes an annular cavity, in which several workpieces are mounted, magnetic abrasives, which are arranged in the annular cavity and used for polishing the workpieces, and multiple magnet sets, which are used for generating a magnetic field for the magnetic abrasives in order to remove a surface material of the workpieces, wherein each of the magnet sets comprises magnets arranged on both inner and outer sides of the annular cavity and configured to rotate about the axis of the annular cavity.

1 . An apparatus for batch polishing workpieces, wherein said apparatus comprising an annular cavity ( 7 ) for mounting a plurality of workpieces, a magnetic abrasive ( 12 ) provided inside the annular cavity ( 7 ) for polishing the workpieces, and a plurality of magnet sets for generating a magnetic field for the magnetic abrasive ( 12 ) to remove material from the surface of the workpieces, wherein each of the magnet sets comprises magnets ( 6 ) provided inside and outside the annular cavity ( 7 ) for rotating about an axis of the annular cavity ( 7 ). 
     
     
         2 . The apparatus for batch polishing workpieces according to  claim 1 , wherein further comprising a cavity cover ( 10 ) covered on and connected to the annular cavity ( 7 ) for fixedly mounting the workpieces. 
     
     
         3 . The apparatus for batch polishing workpieces according to  claim 2 , wherein the cavity cover ( 10 ) is fixedly connected to the workpieces through a workpiece clamp ( 8 ) for the workpieces to suspend inside the annular cavity ( 7 ). 
     
     
         4 . The apparatus for batch polishing workpieces according to  claim 3 , wherein further comprising a rotating plate ( 5 ) for fixedly mounting all the magnets ( 6 ) and driving all the magnets ( 6 ) to rotate. 
     
     
         5 . The apparatus for batch polishing workpieces according to  claim 4 , wherein a first driving portion ( 2 ) is located below the rotating plate ( 5 ) and is configured to fixedly connect with the rotating plate ( 5 ) for driving the rotating plate ( 5 ) to rotate about an axis of the rotating plate ( 5 ). 
     
     
         6 . The apparatus for batch polishing workpieces according to  claim 5 , wherein the first driving portion ( 2 ) is connected to the rotating plate ( 5 ) through a shaft coupler ( 4 ). 
     
     
         7 . The apparatus for batch polishing workpieces according to  claim 6 , wherein further comprising a mounting seat ( 1 ) for fixedly mounting the first driving portion ( 2 ). 
     
     
         8 . The apparatus for batch polishing workpieces according to  claim 7 , wherein the mounting seat ( 1 ) is provided with a worktable ( 9 ) for fixedly mounting the annular cavity ( 7 ), and a through hole is opened at a center of the worktable ( 9 ) in a thickness direction for the annular cavity ( 7 ) to pass through. 
     
     
         9 . The apparatus for batch polishing workpieces according to  claim 8 , wherein the magnetic abrasive ( 12 ) is specifically formed by a consolidation of magnetic particle and polishing abrasive mixed with a lubricant, or formed by magnetic particle and polishing abrasive that are free from a base fluid. 
     
     
         10 . The apparatus for batch polishing workpieces according to  claim 1 , wherein further comprising a plurality of second driving portions ( 11 ) provided above the annular cavity ( 7 ) for driving the workpieces to rotate and a third driving portion ( 13 ) for driving the workpieces to move up and down.