Volume-adjustable Blow molding barrel For sale, the Blow molding barrel For sale includes a barrel body and a barrel cover set on the barrel body; the barrel body includes an upper barrel shell, a lower barrel shell and a flexible expansion ring; the top of the upper barrel shell is provided with The material inlet and outlet are open at the bottom; the top of the lower shell is open and the bottom is closed; a flexible neck is provided at the material inlet and outlet; the bottom of the flexible neck is connected to the material inlet and outlet, and the top of the flexible neck is connected to a lid interface; the flexible neck The interface with the lid can be inserted into the inner cavity of the upper drum shell or pulled out from the inner cavity of the upper drum shell to the outside of the drum body; the upper end of the flexible expansion ring is connected with the bottom of the upper drum shell; the lower end of the flexible expansion ring Connected with the top of the lower barrel shell; the flexible telescopic ring can extend or contract along the length of the flexible telescopic ring under the action of external force.

The above is a brief introduction to the relevant knowledge of Blow molding barrel For sale with adjustable volume.