Guangdong Yinchuang Technology Co., Ltd. has a patent number of CN208976165U. The utility model discloses a dispensing head fixing device which is convenient for adjusting the spacing, including a mounting plate. The top of the slider is provided with a connecting plate. The rail is connected with the mounting plate, and the connecting plate is provided with a first spring, one end of the first spring is provided with a buckle block, and the front end of the buckle block is provided with a splint, and the connecting plate is connected with the splint through the first spring and the buckle block. A locking knob is arranged on one side of the front end of the connecting plate, and the locking knob and the connecting plate form a bolt connection structure. The glue-dispensing head fixing device, which is easy to adjust the distance, is provided with a connecting plate, and the connecting plate can slide on the surface of the installation plate through the slider and the slide rail, so that the distance of the dispensing head can be adjusted, making the dispensing operation more flexible, The effect is better, and the device is provided with a splint, and can be elastically stretched through the first spring, so that the dispensing head can be clamped and fixed, and can be adapted to different sizes of dispensing heads, which is more convenient to use.