Feeding device of melt flow rate tester

The utility model discloses a feeding device of a melt flow rate tester, which is matched with a charging barrel on the tester for use and comprises a feeding funnel, a quick connecting sleeve is sleeved at the bottom end of the feeding funnel, the lower end of the quick connecting sleeve extends into the charging barrel, and a quick connecting limiting device is arranged on the quick connecting sleeve; the upper end of the quick-connection sleeve is connected with the feeding funnel, the lower end of the quick-connection sleeve is inserted into the charging barrel, seamless conveying of materials from the feeding funnel to the charging barrel is achieved, the conveying face of the materials is smooth, the bridging phenomenon caused by steps is eliminated, the quick-connection sleeve is suitable for feeding of various high-fluidity materials, the operation time of hopper butt joint is shortened, and the working efficiency is improved. And the feeding speed of the test process is obviously improved, and the te