Grinding machine and square rod attitude adjusting method

Abstract

A grinding machine includes a conveying structure and a grinding structure, the conveying structure having first clamper sets for clamping a square rod. The grinding machine further includes a first top seat formed in at least one of the first clamper sets, and at least one second top seat formed in the grinding structure; the first top seat and the second top seat respectively abut against two opposite sides of the square rod; abutment surfaces of two first top seats are coplanar in a vertical plane, and are parallel to an abutment surface of the second top seat; a plane of the abutment surface of the first top seat is perpendicular to a plane of at least one abutment surface of the first clamper sets. The grinding machine according to the present disclosure may adjust the attitude of the square rod, thereby ensuring a stable grinding process.

What is claimed is: 
     
         1 . A grinding machine, comprising a conveying structure and a grinding structure, the conveying structure having first clamper sets for clamping a square rod, wherein the grinding machine comprises a first top seat formed in at least one of the first clamper sets and at least one second top seat formed in the grinding structure;
 the first top seat and the second top seat respectively abut against two opposite sides of the square rod;   an abutment surface of the first top seat is parallel to an abutment surface of the second top seat; and   a plane of the abutment surface of the first top seat is perpendicular to a plane of at least one abutment surface of the first clamper sets.   
     
     
         2 . The grinding machine according to  claim 1 , wherein the grinding structure comprises an independent adjusting platform, and the second top seat is disposed on the adjusting platform. 
     
     
         3 . The grinding machine according to  claim 1 , wherein the grinding structure comprises upper and lower tightening structures arranged coaxially, and a mounting frame; the upper tightening structure is mounted on a first vertical displacement platform, and the mounting frame is connected to and moves synchronously with the upper tightening structure;
 the second top seat is provided on the upper tightening structure;   at least one grinding wheel is on either of opposite sides perpendicular to a length direction of the first vertical displacement platform, and the grinding wheel is connected to a first lateral displacement platform and a second vertical displacement platform.   
     
     
         4 . The grinding machine according to  claim 1 , wherein at least two first top seats are provided, and the first top seats are vertically spaced apart. 
     
     
         5 . The grinding machine according to  claim 3 , wherein the grinding wheel is selected from face grinding wheels and/or chamfer grinding wheels. 
     
     
         6 . The grinding machine according to  claim 5 , wherein the grinding wheel comprises an inner ring structure and an outer ring structure, and a second lateral displacement platform connected to the inner ring structure;
 side surfaces of the outer ring structure and the inner ring structure close to the square rod are both frosted surfaces, and a grain size of the frosted surface of the inner ring structure is different from the grain size of the frosted surface of the outer ring structure;   the second lateral displacement platform is configured to drive the frosted surface of the inner ring structure to protrude out of a plane of the frosted surface of the outer ring structure.   
     
     
         7 . The grinding machine according to  claim 5 , wherein the mounting frame is provided with at least one grinding wheel abrasion loss detection sensor that detects a thickness of the frosted surface by contacting the frosted surface of the grinding wheel. 
     
     
         8 . The grinding machine according to  claim 3 , wherein the first lateral displacement platform is accommodated in a grinding housing, and the grinding housing has a width detection sensor therein for detecting a width of the square rod, and a third lateral displacement platform connected to the width detection sensor. 
     
     
         9 . The grinding machine according to  claim 8 , wherein the mounting frame has at least one correction surface on which the width detection sensor is corrected with a detection head thereof abutting against the correction surface. 
     
     
         10 . The grinding machine according to  claim 9 , wherein the mounting frame has at least one first nozzle disposed with a discharge direction toward the correction surface. 
     
     
         11 . The grinding machine according to  claim 8 , further comprising a second nozzle mounted on the grinding housing, and the second nozzle has a discharge direction toward a side of the square rod. 
     
     
         12 . The grinding machine according to  claim 3 , wherein the lower tightening structure is connected to a driving structure for driving the lower tightening structure to rotate about an axis of the lower tightening structure. 
     
     
         13 . The grinding machine according to  claim 1 , wherein the conveying structure comprises a rotating body, and at least one loading structure and an unloading structure respectively provided on either side of the rotating body;
 wherein the rotating body has a vertical rotation axis, and the rotating body rotates about the vertical rotation axis to switch between the loading structure and the unloading structure;   the loading structure comprises at least one of the first clamper sets, and the loading structure clamps the square rod by the first clamper set and moves the square rod into the grinding structure;   the unloading structure comprises at least one of second clamper sets, and the unloading structure takes the square rod out of the grinding structure by the second clamper sets.   
     
     
         14 . The grinding machine according to  claim 13 , wherein the first clamper set comprises two oppositely disposed clampers and a fifth lateral displacement platform for driving relative movement of the two clampers, the first top seat being positioned between the two clampers. 
     
     
         15 . The grinding machine according to  claim 13 , wherein the first clamper sets comprise at least two clamper sets vertically spaced apart, and the clamper set comprises two oppositely disposed clampers, with at least two of the first top seats being respectively disposed in different clamper sets and each between two of the clampers in the clamper set. 
     
     
         16 . The grinding machine according to  claim 14 , wherein the clamper has an abutment surface through which the clamper abuts against the side of the square rod, a plane of the abutment surface of the clamper being perpendicular to the plane of the abutment surface of the first top seat. 
     
     
         17 . The grinding machine according to  claim 13 , wherein a switch is provided in the first clamper set; the switch comprises a movable arm and is associated with the first clamper set, and the first clamper set clamps the square rod when the arm is pushed and rotated by the square rod to a predetermined angle. 
     
     
         18 . The grinding machine according to  claim 1 , wherein the second top seat is a floating pressure head. 
     
     
         19 . A square rod attitude adjusting method based on the grinding machine according to  claim 1 , comprising: regulating an attitude of the square rod by using at least two first top seats and at least one second top seat. 
     
     
         20 . The square rod attitude adjusting method according to  claim 19 , further comprising: releasing the first clamper sets from holding the square rod such that the square rod is dropped onto a support structure;
 adjusting the attitude of the square rod on the support structure by the first and second top seats; and   clamping the square rod again by the first clamper sets.