Adjustable chipping outburst prevention mechanism for metal processing

The utility model provides an adjustable chipping outburst prevention mechanism for metal processing. The adjustable chipping outburst prevention mechanism comprises an outburst prevention cover, a connecting rod and a positioning gear, the anti-collapse cover is inserted into the top surface of the positioning gear in an interference fit manner; and the positioning gear is inserted into a mounting groove in the bottom shell in an interference fit manner. The locking relation between the limiting pin and the positioning gear can be contacted by pressing the button; the cutting machine at the top can rotate to change the cutting angle; compared with a traditional cutting machine, through the design, the metal piece does not need to be rotated; occupied small working space, convenient operation, the device is provided with an anti-collapse cover; chippings generated by cutting are blocked by the anti-collapse cover and are collected in the anti-collapse cover, so that the working environment is not polluted, th