Support and control device for circular knitting machines

A support and control device (1) for circular knitting machines, destined to be mounted in a circular knitting machine equipped with at least one supporting structure, with at least one component-holding unit rotating around a central axis of rotation (X), and with a plurality of stitch formation components (2) movably associated with the component-holding unit, the device (1) comprising at least one support body (6) provided with:

• a mounting portion (50) configured for allowing the device to be mounted to the supporting structure of the circular knitting machine;
• a front side (10) facing said component-holding unit of the knitting machine and provided with at least one cam (11) for controlling at least a part of said plurality of stitch formation components (2), said at least one cam (11) defining a guiding path (12) configured for interacting with respective butts (3) for controlling each of the stitch formation components (2) of said at least a part of said plurality of stitch formation components;
• a rear side (20), opposed to said front side (10) and facing the outside of the knitting machine, away from said component-holding unit;
• wherein the device (1) comprises at least one through hole (30) between said front side (10) and said rear side (20), open on at least one portion of said guiding path (12), said through hole (30) defining an empty space (31) placing at least a portion of said guiding path (12) of said at least one cam (11) in direct communication with the outside of the device, at least in an operating configuration of the device, so that the respective butts (3) of the stitch formation components (2) interacting with the cam (11) face and are in direct communication with said empty space (31).