Automatic machining device for high-speed rail pantograph carbon contact strip and machining method therefor

An automatic machining device for a high-speed rail pantograph carbon slide plate,

• wherein the automatic machining device is sequentially provided with a milling station, a sawing station and a chamfering station and comprises a machine frame, a band sawing machine, a workpiece milling device, a workpiece chamfering device, a computer numerical control (CNC) system and a pneumatic system;
• wherein the band sawing machine, the workpiece milling device and the workpiece chamfering device are located on the same side of the machine frame;
• wherein the workpiece milling device is configured to be arranged in the front of the band sawing machine;
• wherein the workpiece chamfering device is configured to be disposed at the rear of the band sawing machine, and
• wherein a carbon slide plate workpiece to be machined is configured to be placed on the machine frame to be sequentially subjected to milling, sawing and chamfering machining;
• wherein the CNC system and the pneumatic system are configured to control the whole sawing band sawing machine to run normally;
• wherein the band sawing machine is located on the sawing station and comprises a saw frame, a saw blade tensioning device, a main driving system, a driving pulley, a driven pulley and a band saw blade;
• wherein the saw frame is located on a left side of the machine frame;
• wherein the driving pulley and the driven pulley are arranged on the saw frame;
• wherein the main driving system is configured to drive the driving pulley to rotate, and the driving pulley is configured to drive the band saw blade to rotate along the driving pulley and the outer circle side edge of the driven pulley;
• wherein the tensioning degree of the band saw blade is adjusted through the saw blade tensioning device disposed on the side of the driven pulley;
• wherein the saw frame is further provided with a saw band guiding device;
• the saw band guiding device comprises a saw band upper guide servo rotating device and a saw band lower guide servo rotating device;
• wherein the saw band upper guide servo rotating device is close to the side of the driven pulley, and the saw band lower guide servo rotating device is close to the side of the driving pulley;
• and
• wherein the saw band upper guide servo rotating device and the saw band lower guide servo rotating device can freely, synchronously and correspondingly rotate the band saw blade within a certain range.