Flaring tool for capillary tube assembly

The utility model discloses a flaring tool for a capillary tube assembly. The flaring tool comprises an ejector rod, a fixing block, a top seat, an ejector pin, an ejector pin seat, a pressing block and a base, the ejector rod is integrally composed of a holding section, a threaded section and a working section which are sequentially arranged, the threaded section of the ejector rod horizontally penetrates through the center of the fixing block, the ejector seat is located right in front of the ejector rod, and the working section extends into the center of the ejector seat to be in threaded connection with the ejector seat. The ejector pin seat is mounted and fastened on the L-shaped base, and the ejector pin seat is connected with the two sides of the fixed block through rotating plates; the ejector pin is horizontally mounted in the center of the ejector pin seat, the front and rear ends of the ejector pin respectively extend out of the ejector pin seat, the rear end faces the ejector seat, and the front e