Preforming tool for disc brake pad

The utility model discloses a preforming tool for a disc brake pad, which comprises a die sleeve and a die cavity, wherein the die sleeve and the die cavity are in clearance fit; a fixing device is arranged between the die sleeve and the die cavity; at least one type of die cavity is arranged; and various types of die cavities are provided with inner cavities in different shapes and/or sizes. The preforming tool greatly reduces the weight and the volume of parts to be replaced in the production, eliminates the potential safety hazard existing in the replacement of the die, saves the time of the replacement of the die, greatly increases the production efficiency, has obvious economic benefit, small die cavity volume and light weight, does not need big storage space, improves the production efficiency and eliminates the potential safety hazard.