Thermoformer plug assist drive assembly
AssigneeBrown Machine, LLC.
InventorAlbert Arends
Life of this patent
Estimating the term…
Abstract
A plug assist drive assembly for driving plug assists in a thermoforming apparatus includes a single centrally located roller screw assembly enclosed in a housing and driving a third platen mounting the plug assist with a group of guide-drive bars connected to a drive platen which is driven by the roller screw nut. The roller screw assembly is removable by removing screws holding the nut to one hub adapter, the screws accessed through an opening in the housing normally covered with a plate.
Claims10
In combination, a plug assist drive assembly for advancing and retracting a plurality of a plug assists mounted on a third platen, said plug assist drive mounted to a thermoforming press platen, and including a housing including a top and bottom plate, a roller screw assembly including a screw shaft and a roller screw nut received on said screw shaft mounted extending within said housing;
- a drive platen connected to said nut to be movable therewith in said housing upon rotation of said screw shaft;
- a plurality of slidably mounted of guide-drive rods connected to said drive platen and each housing an end providing from said housing and coupled to said third platen;
- and
- a servo motor having an output shaft drivingly connected to said screw shaft for rotating the same.
Dependencies are inferred from the claim text.