Sheet metal machining apparatus

Abstract

A sheet metal machining apparatus is disclosed, and the sheet metal machining apparatus includes a base, a driving device, a supporting device, a rolling device and an oscillating device. The driving device and the supporting device are set on the base. The rolling device is located on the supporting device, and has a first roller and a second roller. The oscillating device is associated with the second roller by a linear guide. Thus, the first roller and the second roller are driven by the driving device to rotate in an opposite directions wherein the second roller further reciprocates in a predetermined range through the oscillating device.

1 . A sheet metal machining apparatus, comprising:
 a base;   a driving device set on the base;   a supporting device mounted on the base and comprising a first supporting unit, a second supporting unit, a guide device and a connecting block wherein the guide device comprises a first linear guide disposed between the first supporting unit and the second supporting unit, and the connecting block is mounted on the first linear guide;   a rolling device located between the first supporting unit and the second supporting unit, and comprising a first roller and a second roller wherein the second roller is connected to the connecting block;   a linking device connected between the rolling device and the driving device; and   an oscillating device positioned on the base, and associated with the connecting block;   whereby the first roller and the second roller are capable of being rotated by the driving device, and the second roller is further capable of being oscillated by the oscillating device to reciprocate during rolling to provide both radial rotation and axial oscillation.   
   
   
       2 . The sheet metal machining apparatus of  claim 1 , wherein the supporting device further comprises a feeding platform mounted on the supporting device to support a workpiece toward the rolling device. 
   
   
       3 . The sheet metal machining apparatus of  claim 1 , wherein the linking device comprises a first link shaft and a second link shaft wherein the first link shaft is connected with the first roller, and the second link shaft is connected with the second roller. 
   
   
       4 . The sheet metal machining apparatus of  claim 3 , wherein the driving device is a hydraulic device, and comprises a first hydraulic motor and a second hydraulic motor wherein the first hydraulic motor is connected with the first link shaft and the second hydraulic motor is connected with the second link shaft. 
   
   
       5 . The sheet metal machining apparatus of  claim 3 , wherein the first link shaft comprises a first shaft and a first rod wherein the first rod is telescopically held in the first shaft. 
   
   
       6 . The sheet metal machining apparatus of  claim 5 , wherein the second link shaft comprises a second shaft and a second rod wherein the second rod is telescopically held in the second shaft. 
   
   
       7 . The sheet metal machining apparatus of  claim 6 , further comprising two pairs of universal joint, wherein each the first shaft and the second shaft has two ends, and the universal joints are respectively assembled on the ends of the first shaft and the second shaft. 
   
   
       8 . The sheet metal machining apparatus of  claim 7 , wherein the second rod comprises a plurality of keys, and the second shaft comprises a plurality of splines wherein the keys are held in the splines to provide both radial rotation and axial movement. 
   
   
       9 . The sheet metal machining apparatus of  claim 4 , wherein the oscillating device is a hydraulic cylinder. 
   
   
       10 . The sheet metal machining apparatus of  claim 9 , further comprising a hydraulic system set in the base to provide oil into the hydraulic cylinder and the hydraulic device. 
   
   
       11 . The sheet metal machining apparatus of  claim 1 , further comprising a height regulation device set on the supporting device to elevate the first roller. 
   
   
       12 . The sheet metal machining apparatus of  claim 11 , wherein the guide device comprises a second linear guide disposed on the first supporting unit and the second supporting unit for the first roller to move thereon. 
   
   
       13 . The sheet metal machining apparatus of  claim 12 , wherein the height regulation device comprises a power steering device set on the supporting device and connected with the first roller. 
   
   
       14 . The sheet metal machining apparatus of  claim 13 , wherein the height regulation device comprises a control motor connected with the power steering device for coarse height regulation of the first roller. 
   
   
       15 . The sheet metal machining apparatus of  claim 14 , wherein the height regulation device comprises a disc connected with the power steering device for fine height regulation of the first roller. 
   
   
       16 . The sheet metal machining apparatus of  claim 15 , further comprising an upholder attached with the supporting device on which the control motor is secured. 
   
   
       17 . The sheet metal machining apparatus of  claim 16 , wherein the height regulation device comprises a clutch disposed between the control motor and the disc to control engaging and disengaging operations between the control motor and the disc. 
   
   
       18 . The sheet metal machining apparatus of  claim 17 , wherein the power steering device is a bevel gear device.