Device for transporting hollow bodies

摘要

A device for transporting hollow bodies, includes: —at least one element for grasping a hollow body, the element including at least one cam follower (30A) made of an electrically conductive material; —at least one fixed cam (32) which is intended to engage with the cam follower (30A), the cam (32) being made of an electrically conductive material; —a contact layer (34) which is made of an electrically insulating material and is interposed between the cam (32) and the cam follower (30A); characterized in that the cam follower (30A) is connected to a first electrical signal (P1) whereas the cam (32) is connected to a second electrical signal (P2), a member (36) being positioned so as to detect electrical contact between the cam follower (30A) and the cam (32).

主权项

1. A conveyor device (10) for transporting hollow bodies formed of a thermoplastic material, which comprises:
at least one means (16) for grasping a hollow body which is to be displaced along a given trajectory, comprising at least one cam follower (30A, 30B) constructed of an electrically conductive material; at least one fixed cam (32) for the control of the means for grasping (16), arranged longitudinally to at least one section of the trajectory of the means for grasping (16) and designed to cooperate with the cam follower (30A, 30B), the cam (32) being constructed of an electrically conductive material; a contact layer (34), which is formed of an electrically insulating material and is interposed between the cam (32) and the cam follower (30A, 30B); wherein the cam follower (30A, 30B) is connected to a source of a first electrical signal (P1), wherein the cam (32) is connected to a source of a second electrical signal (P2), and wherein the device (10) is provided with an element (36) for the detection of electrical contact between the cam follower (30A, 30B) and the cam (32), thereby signaling the deterioration of the layer (34).