Pole sheet laser cutting machine

1. A pole sheet laser cutting machine, comprising a base frame, a laser cutter, a sheet-cutting robotic arm for driving the laser cutter, and at least one sheet feeding assembly; wherein the sheet feeding assembly comprises a sheet-clamping robotic arm, a fixed-length feeding component and a discharging component, the sheet-cutting robotic arm and the sheet-clamping robotic arm are installed on the base frame, the fixed-length feeding component is disposed between the sheet-clamping robotic arm and the discharging component, a control system is connected to the sheet-cutting robotic arm, the sheet-clamping robotic arm and the fixed-length feeding component.

2. The pole sheet laser cutting machine of claim 1 , wherein the sheet-clamping robotic arm comprises a push rod and a front clamping device configured to clamp a front portion of a pole sheet, the fixed-length feeding component comprises a middle clamping device configured to clamp a middle portion of the pole sheet and a sheet feeder configured to drive the middle clamping device to move back and forth, the front clamping device is installed at a front end of the push rod, and the middle clamping device is installed at a back end of the push rod.

3. The pole sheet laser cutting machine of claim 2 , further comprising a negative pressure source, wherein the sheet-clamping robotic arm further comprises a suction device, the suction device comprising a suction head and an adsorption board with suction holes, the suction head being disposed below the adsorption board and connecting the negative pressure source; the front clamping device comprises two groups of collets respectively disposed at two sides of the adsorption board, and a control cylinder driving the collets.

4. The pole sheet laser cutting machine of claim 3 , wherein the feeder device comprises a servo drive device and a position detecting device; wherein the servo drive device comprises a servo motor configured to drive the middle clamping device to move back and forth and a fixed-length feeding base plate, the middle clamping device is located above the fixed-length feeding base plate, the position detecting device comprises multiple photoelectric sensors disposed on top of the fixed-length feeding base plate, and a reflector panel disposed at the bottom of the middle clamping device; the photoelectric sensors and the servo drive device are connected to the control system.

5. The pole sheet laser cutting machine of claim 2 , characterized in that, the fixed-length feeding component further comprises a fixed-length feeding rectification device, the fixed-length feeding rectification device being installed at a back end of the push rod and following up the middle clamping device.

6. The pole sheet laser cutting machine of claim 1 , wherein the discharging component further comprises a discharging rectification device.

7. The pole sheet laser cutting machine of claim 1 , wherein the sheet feeding assembly further comprises a sheet-reclaiming robotic arm and a feeding box component, wherein the sheet-reclaiming robotic arm has a suction side, the sheet-reclaiming robotic arm and the feeding box component are installed on the base frame, and the sheet-reclaiming robotic arm is connected to the control system.

8. The pole sheet laser cutting machine of claim 7 , wherein the feeding box component comprises a box, a movable board for supporting the cut pole sheet, an ejection part for driving the movable board, and a material sensor, wherein the movable board is located at the bottom of the box, the material sensor is disposed at an opening portion of the box, and the ejection part and the material sensor are connected to the control system.

9. The pole sheet laser cutting machine of claim 7 , wherein the suction side further comprises a distribution cylinder.

10. The pole sheet laser cutting machine of claim 1 , further comprising two sheet feeding assemblies, wherein the two sheet feeding assemblies are correspondingly disposed at two sides of the base frame.