Process and apparatus for level adjustment of the can plate of a spinning can

Process as in one of the preceding claims, characterized in that the second moving device (9;

• 109) subjects the can plate (14) or the element supporting the can plate (14) to a magnetic, mechanical and/or pneumatic force.

Process as in one of the preceding claims, characterized in that the can plate (14) moves out of the force field of the second moving device (9;

• 109) as the spinning can (10, 100) is being filled.

Process as in one of the preceding claims, characterized in that the force exerted by the second moving device (9;

• 109) is stopped when the can plate (14) has been moved for a predetermined distance from the upper filling position.

Apparatus for the level adjustment of the can plate (14) of a spinning can (10, 100) located in a filling position at the output of a textile machine in order to be filled with a fiber sliver F, whereby the can plate (14) is moved from a lower can position into a higher can plate position by a first moving device 17 before the start of the filling process and can be moved into the lower can plate position during the filling of the spinning can (10, 100), characterized in that with a can (10;

• 100) in filling position, a second moving device (9;
• 109) is provided in order to move the can plate (14) before the start or in the starting phase of the filling process from the higher can plate position into an upper filling position.

Apparatus as in one of the preceding apparatus claims, whereby the first moving device (17) is part of the apparatus, characterized in that the first moving device (17) comprises an external lifting device to lift or lower the can plate (14).

Apparatus as in one of the preceding apparatus claims, characterized in that the second moving device (9;

• 109) is located outside the can (10, 100) in filling position.

Apparatus as in one of the preceding apparatus claims, characterized in that the second moving device (9;

• 109) on the one hand, and a part (19) connected to the can plate (14) or to the element supporting the can plate (14) are magnetic or magnetizable to attract each other mutually.

Apparatus as in one of the preceding apparatus claims, characterized in that the second moving device (9;

• 109) is located in a rotary plate 1 at the output of the textile machine or in a cover plate (2) of such a rotary plate 1.

Apparatus as in one of the preceding apparatus claims, characterized in that a distance holder (18) is provided inside our outside the spinning can (10, 100) and is connected to the can plate (14) for interaction in such manner that the can plate (14) cannot be moved above a defined level.

Apparatus as in one of the preceding apparatus claims, characterized in that the second moving device( 9;

• 109) is located laterally next to the rotary plate (1) and essentially above the can plate (14) and is designed to act upon the can plate (14) in the vicinity of the vertical can axis (20).

Apparatus as in claim (19), characterized in that the second moving device (9;

• 109) is designed so that it can act laterally upon the can plate (14) or upon the element supporting the can plate (14).

Apparatus as in claim (19), characterized in that the second moving device (9;

• 109) comprises a lifting arrangement with vertically movable lifting arms acting upon the can plate (14) or upon the element supporting the can plate (14).

Apparatus as in claim (19), characterized in that the second moving device (9;

• 109) comprises a roller arrangement, whereby one or several rollers can be brought into rolling frictional engagement with the lateral walls (16) of the can plate (14) or with the element supporting the can plate (14), preferably through at least one opening in the can wall 11.

Apparatus as in one of the preceding apparatus claims, characterized in that the second moving device (9;

• 109) comprises means for the production of a pressure flow which is directed from below against the can plate (14).

Apparatus as in one of the preceding apparatus claims, characterized in that the second moving device (9;

• 109) comprises means for the production of a suction flow acting from above upon the can plate (14).

Apparatus as in one of the preceding apparatus claims, characterized in that the second moving device (9;

• 109) comprises a pulling element, e.g. in form of a spring hook, worm gear, spreadable element and/or bayonet lock element which inters from above into at least one opening in or at the can plate (14) and moves the can plate (14) into the upper filling position.

Apparatus as in one of the preceding apparatus claims, whereby the spinning can (10, 100) is part of the apparatus, characterized in that the lateral sides (16) of the can plate (14) are extended downward in vertical direction.

Apparatus as in one of the preceding apparatus claims, characterized by a regulating system to regulate the force imparted by the second moving device (9;

• 109).

Textile machine equipped with an apparatus as in one of the preceding apparatus claims.