Powder coating systems for rather long components to be coated

Abstract

The invention discloses a system (I) for powder coating elements to be coated of considerable length, characterised in that it comprises, within an overall occupied floor space (800), a safety area (50) dedicated to the work activities of personnel, exhibiting a zone dedicated to the stage of loading (100) and a zone dedicated to the stage of unloading (600) the finished elements (1) from the overhead conveyor line (2), said safety area (50) marking the perimeter of a single, central block (101) exhibiting the activities of the production process and the specific units predisposed thereto and identified as a unit (200) dedicated to the pre-treatment of the elements to be coated, a unit (300) dedicated to the drying of the elements to be coated and a unit (500) for the polymerisation of coating powders deposited on the elements to be coated, there being further provided a unit (400) dedicated to coating and an overhead conveyor line (2) for the elements to be coated (1) that extends with a winding path. The invention further discloses a procedure for coating elements to be coated of considerable length (1), characterised in that it provides a coating booth (401) that has a triangular plan schematically identified by a first, a second and a third vertex (A, B and C), and a conveyor line (2) for the elements (1) that enters a side (BC) and extends along a path that brings said elements to be coated (1) toward said first vertex (A) and then returns and has said elements to be coated (1) exit from said side (BC) in a substantially symmetrical position with respect to said first vertex (A), said path being configured so that the elements to be coated (1), in transit in the booth, encounter direct spraying by sets of electrostatic spray guns (10 and 11), and coating powder, which, given that it has not directly deposited on said elements to be coated (1), travels toward a vertical suction inlet (12) located at said first vertex (A), and encounters the array of profiles in transit prior to being suctioned.

Description

technical field [0001] The present invention relates to a synthetic resin based powder coating system for rather long (overwhelmingly more than the other two dimensions) elements to be coated, such as bars with extrusions made of aluminum alloy or made of iron material Structural sections that are suspended in a vertical position from overhead transfer lines. Background technique [0002] Continuous industrial systems for powder coating of synthetic resin-based powders are already in widespread use. In these systems, the element to be coated, which can also have a considerable length that is overwhelming for the other two dimensions, such as bars of aluminum alloy with protruding parts bars or structural parts made of iron material, in vertical Hooking in a vertical position to an overhead line that translates the components to be coated horizontally through the multiple stations of the coating system, wherein the following processes are performed continuously: Hooking the ...

AI Technical Summary

Problems solved by technology

[0006] Furthermore, in conventional systems there is considerable physical distance between one production stage and another and results in the inability to oversee multiple manufacturing stages from the same location, making it necessary to increase the number of employees employed, which leads to inefficiencies and increased manufacturing costs

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