Manipulator and polishing mechanism thereof

Abstract

A manipulator includes a controlling seat, a robot arm assembly and a polishing mechanism. The robot arm assembly is rotatably connected to the controlling seat; and the polishing mechanism is mounted on the robot arm assembly. The polishing mechanism includes a housing with a first mounting portion and a second mounting portion, a pair of magnetic valves mounted in the housing and electrically connected to the controlling seat, a first polishing assembly partially received in the first mounting portion, and a second polishing assembly partially received in the second mounting portion. The first polishing assembly and the second polishing assembly define an angle therebetween and are respectively connected to the pair of magnetic valves, such that the pair of magnetic valves controls the first and the second polishing assembly respectively to polish one or more workpiece. The present invention further discloses a polishing mechanism of the manipulator.

What is claimed is: 
     
         1 . A manipulator configured for polishing one or more workpiece, comprising:
 a controlling seat;   a robot arm assembly rotatably connected to the controlling seat; and   a polishing mechanism mounted on the robot arm assembly, the polishing mechanism comprising:   a housing comprises a first mounting portion and a second mounting portion;   a pair of magnetic valves received in the housing and electrically connected to the controlling seat;   a first polishing assembly partially received in the first mounting portion; and   a second polishing assembly partially received in the second mounting portion, wherein the first polishing assembly and the second polishing assembly define an angle therebetween and are respectively connected to the pair of magnetic valves, such that the pair of magnetic valves controls the first polishing assembly and the second polishing assembly, respectively, to polish a workpiece.   
     
     
         2 . The manipulator of  claim 1 , wherein the housing comprises a rear cover and a front cover combined to the rear cover, the rear cover comprises a bottom plate and a sidewall extending along a periphery of the bottom plate, the bottom plate and the sidewall cooperatively form a receiving chamber therein receiving the magnetic valve, the front cover has a structure same as that of the rear cover. 
     
     
         3 . The manipulator of  claim 2 , wherein the sidewall comprises a first side plate, a second side plate, a third side plate, the first side plate is parallel to the third side plate and perpendicular to the second side plate, the first side plate is connected to the robot arm assembly, the first polishing assembly is mounted on the second side plate, the second polishing assembly is mounted on the third side plate. 
     
     
         4 . The manipulator of  claim 3 , wherein the first mounting portion is formed on the second side plate adjacent to the first side plate, the second mounting portion is formed on the third side plate extending toward the first side plate. 
     
     
         5 . The manipulator of  claim 4 , wherein the first side plate of the rear cover comprises an air channel in the receiving chamber communicating with the first mounting portion, the front cover comprises an air channel on a third side plate thereof communicating with the second mounting portion, the pair of air channels of the front cover and the rear cover, connect with the pair of magnetic valves respectively. 
     
     
         6 . The manipulator of  claim 3 , wherein the first polishing assembly comprises a driving member, an eccentric connecting member and a disc sander connected in that order, the second polishing assembly has a structure the same as that of the first polishing assembly, the driving member of the first polishing assembly is mounted in the first mounting portion of the rear cover and electrically connected to one magnetic valve, the driving member of the second polishing assembly is mounted in the second mounting portion of the rear cover and electrically connected to another magnetic valve. 
     
     
         7 . The manipulator of  claim 6 , wherein the second side plate comprises a first receiving portion connected to the first mounting portion, the third side plate comprises a second receiving portion connected to the second mounting portion, the eccentric connecting member of the first polishing assembly is partially received in the first receiving portion, the eccentric connecting member of the second polishing assembly is partially received in the second receiving portion. 
     
     
         8 . The manipulator of  claim 7 , wherein the first receiving portion is connected to an end of the first mounting portion away from the air channel of the rear cover, the second receiving portion is connected to an end of the second mounting portion away from the first side plate, the first receiving portion and the second receiving portion of the rear cover are both in a semi-spherical shape. 
     
     
         9 . The manipulator of  claim 6 , wherein a diameter of the disc sander of the second polishing assembly is greater than that of the disc sander of the first polishing assembly. 
     
     
         10 . The manipulator of  claim 3 , wherein the polishing mechanism further comprises a connecting plate mounted on a flange of the robot arm assembly, the connecting plate connects with the first side plates of the rear cover and the front cover. 
     
     
         11 . A polishing mechanism for polishing one or more workpiece, comprising:
 a housing comprises a first mounting portion and a second mounting portion;   a pair of magnetic valves received in the housing;   a first polishing assembly mounted on the first mounting portion; and   a second polishing assembly mounted on the second mounting portion, wherein the first polishing assembly and the second polishing assembly define an angle therebetween and are respectively connected to the pair of magnetic valves, such that the pair of magnetic valves controls the first and the second polishing assembly respectively to polish one or more workpiece.   
     
     
         12 . The polishing mechanism of  claim 11 , wherein the housing comprises a rear cover and a front cover combined to the rear cover, the rear cover comprises a bottom plate and a sidewall extending along a periphery of the bottom plate, the bottom plate and the sidewall cooperatively form a receiving chamber receiving the pair of magnetic valves therein, the front cover has a structure same as that of the rear cover. 
     
     
         13 . The polishing mechanism of  claim 12 , wherein the sidewall comprises a first side plate, a second side plate, a third side plate, the first side plate is parallel to the third side plate and perpendicular to the second side plate, the first side plate is connected to the robot arm assembly, the first polishing assembly is mounted on the second side plate, the second polishing assembly is mounted on the third side plate. 
     
     
         14 . The polishing mechanism of  claim 13 , wherein the first mounting portion is formed on the second side plate adjacent to the first side plate, the second mounting portion is formed on the third side plate extending toward the first side plate. 
     
     
         15 . The polishing mechanism of  claim 14 , wherein the first side plate of the rear cover comprises an air channel in the receiving chamber communicating with the first mounting portion, the front cover comprises an air channel on a side plate thereof communicating with the second mounting portion, the pair of air channels connect with the pair of magnetic valves respectively. 
     
     
         16 . The polishing mechanism of  claim 13 , wherein the first polishing assembly comprises a driving member, an eccentric connecting member and a disc sander connected in that order, the second polishing assembly has a structure the same as the first polishing assembly, the driving member of the first polishing assembly is mounted in the first mounting portion of the rear cover and electrically connected to one magnetic valve, the driving member of the second polishing assembly is mounted in the second mounting portion of the rear cover and electrically connected to another magnetic valve. 
     
     
         17 . The polishing mechanism of  claim 16 , wherein the second side plate comprises a first receiving portion connected to the first mounting portion, the third side plate comprises a second receiving portion connected to the second mounting portion, the eccentric connecting member of the first polishing assembly is partially received in the first receiving portion, the eccentric connecting member of the second polishing assembly is partially received in the second receiving portion. 
     
     
         18 . The polishing mechanism of  claim 17 , wherein the first receiving portion is connected to an end of the first mounting portion away from the air channel of the rear cover, the second receiving portion is connected to an end of the second mounting portion away from the first side plate, the first receiving portion and the second receiving portion of the rear cover are both in a semi-spherical shape. 
     
     
         19 . The polishing mechanism of  claim 16 , wherein a diameter of the disc sander of the second polishing assembly is greater than that of the disc sander of the first polishing assembly.