Cutting device for a metal sheet

An anti-cut hand metal cutting machine according to the present invention includes a cutting base. A main power chamber is provided in the cutting base, and a power device is provided in the main power chamber. The power device can provide power to the device;

• A pulley chamber is provided in the upper wall of the main power chamber, and a sliding device is provided in the pulley chamber. A rotatable sliding gear is provided in the sliding device, and a sliding box capable of sliding left and right is provided at the lower end of the sliding gear. A rack is fixed at the upper end of the sliding box, and the lower end of the sliding gear can be meshed with the sliding box. The sliding box is provided with a cutting box that can slide up and down. The cutting box is provided with a cutting device. The cutting device can perform cutting processing on metal materials;
• The sliding device is provided with a rotatable lower transmission gear, and the power device is provided with a rotatable upper transmission shaft. The upper end of the upper transmission shaft extends into the pulley cavity and the upper end of the upper transmission shaft is connected to the upper transmission shaft. The lower transmission gear is fixedly connected, so that the power device can transmit power to the sliding device through the upper transmission shaft and the lower transmission gear, and the sliding device can drive the sliding box to slide left and right;
• A gear cavity is provided in the lower wall of the main power cavity, and a cutter lifting device is provided in the gear cavity. The cutter lifting device is provided with a rack that can slide up and down, and a connecting rod is fixed at the left end of the rack. The left end of the connecting rod is fixedly connected to the cutting box, and the cutter lifting device can drive the cutting box to slide up and down through the connecting rod. The cutter lifting device is provided with a rotatable first bevel gear. The power device is provided with a rotatable lower transmission shaft, and the lower end of the lower transmission shaft is fixedly connected to the first bevel gear, so that the power device can transmit power to the cutter lifting device.