Square bar grinding device

Abstract

A square bar grinding device includes a loading rack, a clamping device, a grinding device, and a grinding tool grinding device. The loading rack is provided with stations, the stations include a first station and a second station, the first station is used for placing a to-be-machined square bar, the grinding tool grinding device includes an oil stone assembly, the oil stone assembly is disposed at the second station, and the clamping device is used for clamping and transferring the to-be-machined square bar or the oil stone assembly in the stations of the loading rack to the grinding device. According to the square bar grinding device, a grinding tool grinding device is disposed at a loading rack, and can be clamped and transferred by a clamping device to be quickly moved to a grinding device for grinding of a grinding tool.

What is claimed is: 
     
         1 . A square bar grinding device, comprising a loading rack, a clamping device, a grinding device, and a grinding tool grinding device, wherein the loading rack is provided with stations, the stations comprise a first station and a second station, the first station is used for placing a to-be-machined square bar, the grinding tool grinding device comprises an oil stone assembly, the oil stone assembly is disposed at the second station, and the clamping device is used for clamping and transferring the to-be-machined square bar or the oil stone assembly in the stations of the loading rack to the grinding device. 
     
     
         2 . The square bar grinding device according to  claim 1 , wherein the oil stone assembly comprises oil stones and a mounting seat, and the oil stones are removably disposed on the mounting seat. 
     
     
         3 . The square bar grinding device according to  claim 2 , wherein the mounting seat has two mounting surfaces perpendicular to an upper end surface of the loading rack and parallel to two side surfaces of square bars on adjacent stations, and the oil stones are disposed on the mounting surfaces. 
     
     
         4 . The square bar grinding device according to  claim 3 , wherein the oil stone assembly further comprises fixing seats, the fixing seats are locked onto the mounting surfaces, fixing grooves are provided in middle portions of the fixing seats, and the oil stones are disposed in the fixing grooves. 
     
     
         5 . The square bar grinding device according to  claim 3 , wherein the oil stone comprises a first oil stone and a second oil stone, the first oil stone with a length direction being perpendicular to a length direction of the square bar is disposed on one of the mounting surfaces, and the second oil stone with a length direction being parallel to the length direction of the square bar is disposed on the other of the mounting surfaces. 
     
     
         6 . The square bar grinding device according to  claim 3 , wherein the mounting seat is a cuboid. 
     
     
         7 . The square bar grinding device according to  claim 3 , wherein the second station is provided with two guide plates, and the two guide plates abut against the two mounting surfaces of the mounting seat respectively. 
     
     
         8 . The square bar grinding device according to  claim 7 , wherein the second station is provided with an adjustment device and an abutting plate at two ends in a length direction of the mounting seat respectively, one end of the adjustment device is capable of moving towards one end in the length direction of the mounting seat, and the abutting plate abuts against the other end in the length direction of the mounting seat. 
     
     
         9 . The square bar grinding device according to  claim 1 , wherein the grinding device comprises a grinding assembly and a sensing assembly, the sensing assembly is disposed on an upper side of the grinding assembly, the sensing assembly is capable of moving on a machining surface of the grinding assembly, the grinding assembly comprises a grinding tool and a three-axis moving assembly, and the grinding tool is connected to the three-axis moving assembly. 
     
     
         10 . The square bar grinding device according to  claim 9 , wherein the sensing assembly comprises sensing contacts and an adjustment mechanism, the adjustment mechanism comprises first sliding rails and a first driving device, the first sliding rails are parallel to the machining surface of the grinding assembly, the sensing contacts are movably disposed on the first sliding rails, and the first driving device is in transmission connection with the sensing contacts. 
     
     
         11 . The square bar grinding device according to  claim 10 , wherein the sensing assembly further comprises a limiting plate, a limiting block and a moving block, the sensing contacts are disposed on the moving block, the moving block is in moving fit with the first sliding rails, the limiting plate is disposed on one side of the first sliding rails, the limiting plate is parallel to a length direction of the first sliding rails, and the moving block is provided with the limiting block projecting towards the limiting plate and being in moving fit with the moving block. 
     
     
         12 . The square bar grinding device according to  claim 10 , wherein two first sliding rails are provided, and two sensing contacts are provided corresponding to the first sliding rails. 
     
     
         13 . The square bar grinding device according to  claim 10 , wherein the adjustment mechanism further comprises an ejector device, and a driving end of the ejector device is connected to the sensing contacts to drive the sensing contacts to move towards the machining surface of the grinding assembly. 
     
     
         14 . The square bar grinding device according to  claim 12 , wherein the sensing assembly further comprises a first housing and a baffle plate, the adjustment mechanism and the sensing contacts are disposed in the first housing, the first housing is provided with an opening facing the machining surface of the grinding assembly, and the baffle plate is rotationally connected to the opening. 
     
     
         15 . The square bar grinding device according to  claim 14 , wherein the baffle plate is connected to a driving end of an ejector device by means of a connecting rod. 
     
     
         16 . The square bar grinding device according to  claim 9 , wherein the grinding assembly further comprises a second housing, a first moving seat and a second moving seat; an opening is provided in one side of the second housing close to the to-be-machined square bar, and the grinding tool is disposed at the opening; the three-axis moving assembly comprises a second sliding rail, a third sliding rail, a fourth sliding rail, and corresponding driving devices; the second sliding rail parallel to the side surface of the to-be-machined square bar is disposed in the second housing, the second sliding rail is perpendicular to a length direction of the to-be-machined square bar, and the grinding tool is in moving fit with the second sliding rail; the third sliding rail is disposed on the first moving seat, the third sliding rail extends towards the side surface of the to-be-machined square bar, and one side of the second housing is in moving fit with the third sliding rail; and the fourth sliding rail is parallel to the length direction of the to-be-machined square bar, the second moving seat is connected to the first moving seat, and the second moving seat is in sliding fit with the fourth sliding rail. 
     
     
         17 . The square bar grinding device according to  claim 1 , wherein the clamping device is disposed between the grinding device and the loading rack; a sliding seat is disposed on one side of the grinding device, a fifth sliding rail is disposed on one side of the sliding seat close to the clamping device, the fifth sliding rail is opposite to a plurality of loading stations provided on the loading rack, and a sixth sliding rail parallel to the fifth sliding rail is disposed on an upper side of the sliding seat; and a moving seat is disposed on a lower side of the clamping device, the moving seat is in an L shape and comprises a horizontal portion and a vertical portion perpendicular to each other, the vertical portion is in moving fit with the fifth sliding rail, and the horizontal portion is in moving fit with the sixth sliding rail. 
     
     
         18 . The square bar grinding device according to  claim 17 , wherein the clamping device comprises clamping jaws, and the two clamping jaws move towards each other in opposite directions to clamp the to-be-machined square bar; and each of the clamping jaws comprises first connecting plates, a second connecting plate and clamping plates, wherein two first connecting plates are provided in parallel, the second connecting plate is used for connecting the two first connecting plates, and the clamping plates are disposed on one side of the second connecting plate close to the to-be-machined square bar. 
     
     
         19 . The square bar grinding device according to  claim 18 , wherein the loading rack is provided with a loading seat, the loading seat comprises fixing members, pulley mounting plates and limiting stoppers, the loading rack is provided with a plurality of fixing members at intervals along a length direction of the loading rack, and every two of the plurality of fixing members fall into one group; each of the fixing members is in a C shape, and comprises a kidney-shaped hole locking portion and a screw locking portion parallel to an upper end surface of the loading rack, and a connecting portion perpendicular to the kidney-shaped hole locking portion and the screw locking portion, an adjustment kidney-shaped hole is provided in the kidney-shaped hole locking portion, one side of the connecting portion is connected to the pulley mounting plate, and a pulley is disposed on the pulley mounting plate; the limiting stoppers are connected to the kidney-shaped hole locking portions, the limiting stoppers are capable of moving along a length direction of the adjustment kidney-shaped holes of the kidney-shaped hole locking portions, and the two limiting stoppers abut against side surfaces of the to-be-machined square bar; and the pulley mounting plates on every two adjacent fixing members are opposite. 
     
     
         20 . The square bar grinding device according to  claim 17 , further comprising a base, a shell and control devices, wherein the shell is disposed on the base, the grinding device is disposed in the shell, at least two grinding devices are disposed on the base in a spaced manner, and the sliding seat is disposed on one side of the base facing the loading rack; the grinding devices are arranged side by side with the loading stations of the loading rack; the shell is provided with a machining port and a movable safety door corresponding to each of the grinding devices; and the control devices are electrically connected to the clamping device and the grinding device and are disposed on two sides of the shell.