Electromagnetic drive for a cutting device of a textile machine, cutting device and yarn clearer

An electromagnetic drive (1) for a cutting device of a textile machine, the electromagnetic drive (1) comprising:

• a solenoid (2);
• a piston (3) configured to drive a cutting blade carrier (13), wherein:
• the piston (3) is guided for linear movement within the solenoid (2), and
• the piston (3) is configured to be linearly moved between a rest position and a working position;
• and
• an axial air gap (6), between an end face (7) of the piston (3) and an end face (8) of a core tube (9) of the solenoid (2), wherein:
• the core tube (9) is stationary relative to the piston (3), and
• the axial air gap (6) is varied based on movement of the piston (3), and
• wherein:
• the piston (3) is at least partly hollow, and
• the piston (3) has a first piston segment (3A) and a second piston segment (3B),
• wherein:
• the first piston segment (3A) is positioned outside of the core tube (9),
• the second piston segment (3B) is fixed to the first piston segment (3A),
• a free end of the second piston segment (3B) protrudes from the solenoid (2) and extends from the first piston segment (3A) through the core tube (9),
• the free end of the second piston segment (3B) is configured to carry the cutting blade carrier (13), and
• the first piston segment (3A) is hollow on a side facing away from the cutting blade carrier (13), forming a chamber configured to receive a portion of the second piston segment (3B).