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In this article, a new type of polyethylene terephthalate (PET) preform removal machine and its auxiliary device are designed. The structure design of rotating module, traverse module, vertical module and crosswise module of the new type of preform removal machine, and the safety check and feasibility simulation analysis of the core components of each module are described. Among them, the speed multiplication mechanism is adopted in the traverse module, which greatly reduces the traverse time and improves the working efficiency of the preform removal machine; the counterweight balance device is used in the vertical module, which effectively balances the moment difference caused by the vertical motion of the rotating and traverse modules, makes the vertical motion more stable and saves the cost; and the design of slope track makes the unloading and placement of PET preforms proceed in an orderly manner, which can effectively avoid the collision between PET preforms and ensure the quality of products. Communicated by Joerg Fehr.

Mechanism design and simulation analysis of a new high-speed PET preform removal machine