Watch buckle assembling jig

The invention discloses a watch buckle assembling jig, which comprises a base body, a guide block, a guide sleeve, an ejector pin, a first floating block and a second floating block, wherein the first floating block and the second floating block are arranged on the base body in a lifting mode, a boss is arranged on the base body, a supporting groove is formed in the boss, and the boss is located between the first floating block and the second floating block. The first floating block and the second floating block are respectively provided with a supporting table top, a groove is formed in the supporting table top of the first floating block, the guide sleeve is rotationally arranged on the first floating block, the first end of the guide sleeve extends into the groove, a limiting hole is formed in the end face of the first end of the guide sleeve, the ejector pin is arranged in the guide sleeve in a sliding mode, one end of the ejector pin is located in the limiting hole, and the other end of the ejector pin i