Nonwoven-laying device and operating method
AssigneeAutefa Solutions Germany GmbH
InventorAndreas Meier
Life of this patent
Estimating the term…
Abstract
A nonwoven fabric-laying device, in particular a cross-laying device, and an operating method are provided. The nonwoven fabric-laying device (1) is used for folding down and depositing a supplied fibrous sheet (3) to form a multi-layered nonwoven fabric (32) and, for conveying the sheet, has a plurality of linearly movably guided carriages (10 to 16) which are driven by a carriage drive and has a plurality of conveyor belts (7, 8) guided by means of the carriages (10 to 16). One or more carriages (10 to 16) are directly driven by an electric linear motor (19).
Claims20
A nonwoven-laying device for folding down and depositing a fed fibrous web into a multilayer nonwoven, the nonwoven-laying device comprising:
- a nonwoven-laying device frame;
- a plurality of linearly movably guided carriages;
- a discharge conveyor having a discharge conveyor extent;
- a carriage drive arrangement driving the guided carriages and comprising one or more carriage drives with an electric linear motor;
- and
- a plurality of conveyor belts guided in movement via the plurality of carriages, wherein:
- the electric linear motor comprises a linear stator and a slider guided movably thereon;
- the linear stator is fastened to the nonwoven-laying device frame and is configured as a carrying component of the frame;
- the slider is connected to at least one of the carriages;
- frame parts of the nonwoven-laying device frame are arranged on both sides of the discharge conveyor;
- the linear stator extends beyond the extent of the discharge conveyor to the frame parts arranged on both sides thereof;
- the electric linear motor comprises a primary part with a coil array and a secondary part with a magnet array;
- and
- the slider is configured as the primary part and the linear stator is configured as the secondary part.
A method for operating a nonwoven-laying device, the method comprising the steps of:
- folding down and depositing a fed fibrous web into a multilayer nonwoven, with the nonwoven-laying device;
- providing the nonwoven-laying device with a plurality of linearly movably guided carriages driven by a carriage drive, a plurality of conveyor belts guided in movement with the carriages, a nonwoven-laying device frame, and a discharge conveyor having a discharge conveyor extent;
- providing the carriage drives with an electric linear motor comprising a linear stator and a slider guided movably thereon;
- fastening the linear stator to the nonwoven-laying device frame with the linear stator configured as a carrying component of the frame;
- connecting the slider to at least one of the carriages;
- arranging frame parts of the nonwoven-laying device frame on both sides of the discharge conveyor;
- extending the linear stator beyond the extent of the discharge conveyor to the frame parts arranged on both sides thereof;
- providing the electric linear motor with a primary part with a coil array and a secondary part with a magnet array with the slider configured as the primary part and with the linear stator configured as the secondary part;
- and
- driving one or more carriages by the electric linear motor.
Dependencies are inferred from the claim text.