EP3106549B1 - Converter cutting device - Google Patents

Description

State of the art

The invention relates to a converter cutting device according to the preamble of claim 1.

Out DE 10 2007 052 586 A1 A converter cutting device is already known for converting at least one continuous fiber into cut fibers, wherein the converter cutting device has at least one frame unit and at least one cutting unit, which comprises at least one cutting element, which is drivable in rotation about an axis of rotation of the cutting element, and at least one fixed counter cutting element which cooperates the cutting element at least during a cutting operation.

The object of the invention is in particular to provide a generic converter cutting device with an advantageous position adjustability of the cutting unit. The object is achieved by the features of claim 1, while advantageous embodiments and modifications of the invention can be taken from the dependent claims.

Advantages of the invention

The invention is based on a converter cutting device for converting at least one continuous fiber into cut fibers, with at least one frame unit and with at least one cutting unit, the at least one cutting element, which can be driven in rotation about a rotation axis of the cutting element is, and at least one fixed counter-cutting element comprises, with which the cutting element cooperates at least during a cutting operation.

It is proposed that the cutting unit is positionally variable relative to the frame unit, wherein the cutting unit as a whole is movably mounted relative to the frame unit, wherein the cutting element and the counter cutting element of the cutting unit are movably mounted together relative to the frame unit. The term "position-variable" is to be understood here in particular as an adjustment possibility of a position of the cutting unit, in particular of the cutting unit as a whole, relative to the frame unit. The cutting unit, in particular the cutting unit as a whole, can be mounted so as to be movable relative to the frame unit in a translatory and / or rotational manner. Preferably, the cutting unit has a basic body unit, on which at least the cutting element and the counter cutting element of the cutting unit are arranged. Preferably, the basic body unit is movably mounted on the frame unit. Particularly preferably, all elements and / or units of the cutting unit are arranged on the main body unit. Preferably, the cutting element of the cutting unit is rotatably drivable relative to the main body unit. Preferably, the counter cutting element is arranged fixed relative to the main body unit. The frame unit is preferably designed as a frame, in particular as a support tube frame. However, it is also conceivable that the frame unit has another, a skilled person appear appropriate design.

The cutting element of the cutting unit preferably comprises at least one cutting edge. In particular, the cutting edge of the cutting element of the cutting unit is provided for cutting the at least one endless fiber. The cutting edge of the cutting element of the cutting unit has, in particular, a length of at least 5 millimeters, preferably a length of at least 10 millimeters and particularly preferably a length of 20 millimeters to 30 millimeters, wherein in principle also larger lengths are conceivable. The cutting edge of the cutting element of the cutting unit is advantageously designed as a straight line. Basically, the cutting edge of the cutting element of the Cutting unit also be curved. The counter-cutting element of the cutting unit preferably comprises at least one cutting edge. Preferably, the cutting edge of the cutting element and the cutting edge of the counter cutting element of the cutting unit are provided to intersect, by means of cooperation, the at least one endless fiber. In an advantageous embodiment, the cutting element and the counter-cutting element of the cutting unit are provided to cut the at least one continuous fiber by means of a scissor-like cut. A "scissors-type cut" is to be understood in particular as a cut in which an intersection of the cutting edge of the cutting element and the cutting edge of the counter-cutting element of the cutting unit moves during a cutting operation to cut the at least one continuous fiber along the cutting edge of the cutting element and the cutting edge of the counter-cutting element , By "intended" is intended to be understood in particular specifically designed and / or specially equipped. By providing an element and / or a unit for a specific function, it should be understood in particular that the element and / or the unit fulfill / fulfill and / or execute this specific function in at least one application and / or operating state. performs.

By means of the embodiment of the converter cutting device according to the invention, a position of the cutting unit can be set particularly advantageously at least relative to the frame unit. It can be advantageous to set a position of the cutting unit as a function of production parameters. Furthermore, depending on a required amount of cut fibers, it is advantageously possible to position the cutting unit at the predetermined position at a predetermined position, in order to be able to react particularly flexibly flexibly to a quantity of cut fibers required at a position. In addition, a high variability with regard to a field of application of the converter cutting device can advantageously be made possible.

Furthermore, it is proposed that the cutting unit is mounted to be translationally movable at least relative to the frame unit. Preferably, one runs Movement axis of the cutting unit, in particular a movement axis of the cutting unit as a whole, along which the cutting unit is mounted translationally movable at least relative to the frame unit, at least substantially perpendicular to the axis of rotation of the cutting element of the cutting unit. The term "substantially perpendicular" is intended here to define, in particular, an orientation of a direction relative to a reference direction, the direction and the reference direction, in particular in one plane, including an angle of 90 ° and the angle a maximum deviation of, in particular, less than 8 °, advantageously less than 5 ° and particularly advantageously less than 2 °. Preferably, the converter cutting device comprises at least one linear guide unit, by means of which the cutting unit is mounted so as to be translationally movable at least relative to the frame unit. The linear guide unit preferably comprises at least one longitudinal guide rail, in particular at least two longitudinal guide rails, on which / on which the cutting unit is arranged. The longitudinal guide rail is preferably provided for supporting the cutting unit, in particular the basic body unit, in a translationally movable manner by means of a positive and / or non-positive connection. Preferably, the longitudinal guide rail has at least one guide rib and / or a guide groove, which is provided to guide the cutting unit, in particular the basic body unit, during a translatory movement relative to the frame unit. By means of the embodiment according to the invention can advantageously be realized a structurally simple guidance of the cutting unit. In addition, advantageously, a precise guidance of the cutting unit can be achieved during a linear movement of the cutting unit relative to the frame unit.

Furthermore, it is proposed that the converter cutting device comprises at least one movement guide unit which is provided for movably supporting the frame unit along at least two differently extending axes of movement. The frame unit is preferably at least relative to a base frame unit of the converter cutting device and / or a production device comprising the converter cutting device by means of the movement guidance unit movably mounted, in particular along at least two different axes of movement. The axes of motion can be designed as linear axes and / or as axes of rotation. By means of the embodiment according to the invention, a great variability with regard to an adjustable position of the cutting unit relative to the base frame unit of the converter cutting device and / or the production device comprising the converter cutting device can advantageously be achieved. It can be advantageously made possible a precise positioning of the cutting unit.

In addition, it is proposed that the movement axes extend at least substantially transversely to one another. By "substantially transversely" is meant in particular an alignment of a direction and / or an axis relative to a reference direction and / or a reference axis, wherein the orientation of the direction and / or the axis at least different from an at least substantially parallel orientation to Reference direction and / or to the reference axis and in particular is skewed or perpendicular to the reference direction and / or to the reference axis. Preferably, the axes of movement are at least substantially perpendicular to each other. By means of the embodiment according to the invention can advantageously be achieved with respect to a position adjustment of the cutting unit high flexibility.

Advantageously, the motion guide unit is designed as a cross slide guide unit. The cross slide guide unit can be designed as a slide bearing cross slide guide unit and / or as a rolling bearing cross slide guide unit. The cross slide guide unit preferably comprises at least one slide element, which is movably mounted on a linear guide element, in particular a linear guide rod, the cross slide guide unit. However, it is also conceivable that the linear guide element is in an alternative embodiment of the cross slide guide unit as a dovetail guide element, as a telescopic rail, as a cage rail, as a rail o. The like. Formed, which is intended to store the carriage element movable. The cross slide guide unit can be manually adjustable and / or motorized be educated. By means of the embodiment according to the invention can advantageously be achieved structurally simple to implement movable mounting of the frame unit along at least two different axes of movement.

Furthermore, it is proposed that the frame unit is mounted translationally movable by means of the movement guide unit. The at least two different axes of movement are particularly preferably designed as a linear movement axis along which the frame unit, and thus in particular the cutting unit, is / are movably mounted at least relative to the base frame unit of the converter cutting device and / or the production device comprising the converter cutting device. The movement guidance unit is preferably arranged on the base frame unit of the converter cutting device and / or the production device comprising the converter cutting device. By means of the embodiment according to the invention can advantageously be realized a precise positioning of the frame unit and thus in particular the cutting unit. In addition, advantageously, a low-maintenance guide unit for the frame unit can be provided.

It is also proposed that the converter cutting device has at least one position fixing unit, which is provided to fix at least the cutting unit by means of a non-positive and / or positive connection in a position relative to the frame unit. Preferably, the position fixing unit is at least partially integrated in the longitudinal guide unit. The position fixing unit can be configured continuously or stepwise adjustable. In a stepwise adjustable embodiment of the position fixing unit, the position fixing unit is preferably designed as a snap-position fixing unit. In a continuously adjustable embodiment of the position fixing unit, the position fixing unit is preferably designed as a clamping position fixing unit. The position fixing unit preferably comprises at least one movably mounted engagement element, which is provided in a latching recess arranged on the longitudinal guide unit the position fixing unit intervene. Preferably, the engagement element is movably arranged on the main body unit of the cutting unit. However, it is also conceivable that the position fixing unit alternatively or additionally comprises a clamping element which is provided to fix the cutting unit by means of a non-positive connection to the longitudinal guide unit. Further embodiments of the position fixing unit that appear appropriate to a person skilled in the art are also conceivable. By means of the embodiment according to the invention can advantageously be made possible a secure positioning of the cutting unit. It can be advantageously avoided an unwanted positional adjustment of the cutting unit after positioning.

In addition, it is proposed that the converter cutting device comprises at least one further cutting unit, which comprises at least one cutting element which is rotatable about a rotational axis of the cutting element, and at least one fixed counter cutting element, with which the cutting element cooperates at least during a cutting operation, wherein the further cutting unit relative is movably mounted to the cutting unit on the frame unit. However, it is also conceivable for the converter cutting device to have, in addition to the further cutting unit, one or more additional cutting units which comprise at least one cutting element which can be driven to rotate about an axis of rotation of the cutting element and at least one fixed counter cutting element with which the cutting element engages at least during a cutting operation, wherein the additional cutting unit (s) is / are movably mounted relative to the cutting unit on the rack unit. The further cutting unit preferably has an at least substantially analogous configuration to the cutting unit. The cutting unit and the further cutting unit are preferably mounted independently of each other at least movably relative to the frame unit. The further cutting unit can be mounted on the frame unit in a translatory and / or rotationally movable manner relative to the cutting unit. By means of the embodiment according to the invention can advantageously a particularly high flexibility with respect to a positioning of the cutting unit and / or the further cutting unit can be achieved. In addition, a high variability with regard to a field of application of the converter cutting device can advantageously be made possible.

Furthermore, it is proposed that the further cutting unit is mounted translationally movable on the frame unit. Preferably, a movement axis of the further cutting unit, in particular a movement axis of the further cutting unit, along which the further cutting unit is mounted translationally movable at least relative to the frame unit, at least substantially perpendicular to the axis of rotation of the cutting element of the further cutting unit. Preferably, the converter cutting device comprises at least the longitudinal guide unit, by means of which the further cutting unit is mounted to be translationally movable at least relative to the frame unit. The longitudinal guide unit preferably comprises at least one longitudinal guide rail, in particular at least two longitudinal guide rails, on which / on which the further cutting unit is arranged. The longitudinal guide rail is preferably provided before, the further cutting unit, in particular a basic body unit of the further cutting unit to store translationally movable by means of a positive and / or non-positive connection. Preferably, the longitudinal guide rail has at least one guide rib and / or a guide groove which is provided to guide the further cutting unit, in particular the basic body unit of the further cutting unit, during a translational movement relative to the frame unit. By means of the embodiment according to the invention can advantageously be realized a structurally simple guidance of the further cutting unit. In addition, advantageously, a precise guidance of the further cutting unit can be achieved with a linear movement of the further cutting unit relative to the frame unit.

It is also proposed that the converter cutting device has at least one drive unit at least for driving the cutting unit and the further cutting unit. However, it is also conceivable that the converter cutting device in an alternative embodiment, a plurality of drive units wherein each one of the cutting unit of the converter cutting device is associated with a single drive unit to drive the corresponding cutting unit. Preferably, the drive unit comprises at least one electric motor, which is provided for generating a driving force. However, it is also conceivable for the drive unit to comprise another motor unit deemed appropriate by a person skilled in the art for generating a driving force, such as a hybrid motor, a compressed air motor, an internal combustion engine or the like. By means of the embodiment according to the invention, a compact embodiment of the converter cutting device can be advantageous be enabled. In addition, an energy-saving drive of the cutting unit and the further cutting unit can advantageously be achieved, since in particular only one drive unit is provided for a drive of at least the cutting unit and the further cutting unit.

In addition, it is proposed that the drive unit has at least one belt drive element which is provided at least for driving the cutting unit and the further cutting unit. A "belt drive element" is to be understood here as meaning, in particular, an element which at least partially wraps around a drive element, in particular a drive wheel, for transmission of drive forces and thus can be driven by the drive element or drives the drive element. The wrapping drive element may in this case be designed as a belt, as a belt, as a chain or the like. Preferably, the belt drive element abuts a drive of the cutting unit and the further cutting unit on at least one drive element of the cutting unit and on at least one drive element of the further cutting unit. By means of the embodiment according to the invention can advantageously a structurally simple to be implemented drive the cutting unit and the other cutting unit by means of the Umschlingungsantriebselements, in particular by means of a single Umschlingungsantriebselements be achieved.

Furthermore, it is proposed that the belt drive element at least during a movement of the cutting unit relative to the other Cutting unit rests against at least one drive element of the cutting unit and at least one drive element of the further cutting unit. Preferably, the Umschlingungsantriebselement is designed as a toothed belt. The at least one drive element of the cutting unit and the at least one drive element of the further cutting unit are preferably designed in each case as a toothed belt pulley. By means of the embodiment according to the invention can advantageously be achieved a drive of the cutting unit and the further cutting unit with a single belt drive element, wherein advantageously a movement of the cutting unit and the further cutting unit can be realized.

It is also proposed that the drive unit is arranged on the frame unit. Preferably, at least the motor unit of the drive unit is fixed to the frame unit. Preferably, at least one deflection element of the drive unit is arranged to deflect the wrap-around drive element on the frame unit, in particular fixed to the frame unit. By means of the embodiment according to the invention can advantageously be achieved a compact converter cutting device.

In addition, a production device with at least one receiving and / or transport unit and with at least one converter cutting device according to the invention is proposed. Preferably, at least the frame unit and / or at least the cutting unit are movably mounted relative to the receiving and / or transport unit. By means of the embodiment according to the invention can advantageously be provided a production device, which allows an advantageous adjustability of a position of the frame unit and / or the cutting unit. It may be advantageous to set a position of the frame unit and / or the cutting unit in dependence on production parameters. Furthermore, depending on a required amount of cut fibers, it is advantageously possible to position the frame unit and / or the cutting unit at the predetermined position at a predetermined position, in order to be able to react particularly flexibly flexibly to a quantity of cut fibers required at a position. In addition, advantageously a high variability be made possible with respect to a field of application of the production device.

Furthermore, a method is proposed for producing at least one product comprising cut fibers by means of the production device according to the invention. It may be advantageous to produce a large amount of fibers to produce products comprising cut fibers.

The converter cutting device according to the invention, the production device according to the invention and / or the method according to the invention should / should not be limited to the application and embodiment described above. In particular, the converter cutting device according to the invention, the production device according to the invention and / or the method according to the invention for performing a function described herein can have a number deviating from a number of individual elements, components and units and method steps mentioned herein. In addition, in the value ranges indicated in this disclosure, values lying within the stated limits are also to be disclosed as disclosed and used as desired.

drawings

Further advantages emerge from the following description of the drawing. In the drawings, an embodiment of the invention is shown. The drawings, the description and the claims contain numerous features in combination. The person skilled in the art will expediently also consider the features individually and combine them into meaningful further combinations.

Fig. 1

eine erfindungsgemäße Konverterschneidvorrichtung in einer schematischen Darstellung,

Fig. 2

eine Detailansicht eines Zusammenwirkens einer Antriebseinheit und einer Schneideinheit der erfindungsgemäßen Konverterschneidvorrichtung in einer schematischen Darstellung,

Fig. 3

eine Detailansicht eines Schneidraums der Schneideinheit der erfindungsgemäßen Konverterschneidvorrichtung in einer schematischen Darstellung,

Fig. 4

eine erfindungsgemäße Produktionsvorrichtung mit zumindest einer Aufnahme- und/oder Transporteinheit und mit zumindest einer erfindungsgemäßen Konverterschneidvorrichtung in einer schematischen Darstellung,

Fig. 5

ein Verfahren zu einer Herstellung von zumindest einem Produkt, das geschnittene Fasern umfasst, mittels der erfindungsgemäßen Produktionsvorrichtung in einer schematischen Darstellung.

Show it:

Fig. 1

a converter cutting device according to the invention in a schematic representation,

Fig. 2

a detailed view of an interaction of a drive unit and a cutting unit of the converter cutting device according to the invention in a schematic representation,

Fig. 3

a detailed view of a cutting space of the cutting unit of the converter cutting device according to the invention in a schematic representation,

Fig. 4

a production device according to the invention with at least one receiving and / or transport unit and with at least one converter cutting device according to the invention in a schematic representation,

Fig. 5

a method for producing at least one product comprising cut fibers by means of the production device according to the invention in a schematic representation.

Description of the embodiment

FIG. 1 shows a converter cutting device 10 for a conversion of at least one continuous fiber (not shown here) in cut fibers (not shown here). The converter cutting device 10 has at least one frame unit 12 and at least one cutting unit 14, which comprises at least one cutting element 16 which is rotatable about a rotation axis 18 of the cutting element 16, and at least one fixed counter cutting element 20, 22, 24, with which the cutting element 16 at least during a cutting operation, in particular during a cutting operation to a conversion of at least one continuous fiber into cut fibers, cooperates. Overall, the cutting unit 14 has at least two, in particular at least three, fixed counter cutting elements 20, 22, 24, with which the cutting element 16 at least during a cutting operation, in particular during a cutting operation to a conversion of at least one continuous fiber into cut fibers, cooperates ( FIG. 3 ). However, it is also conceivable that the cutting unit 14 comprises one of two, in particular three, different number of fixed counter-cutting elements 20, 22, 24. The cutting element 16 may be movably mounted to adjust a cutting gap relative to the counter cutting element 20, 22, 24, in particular to the counter cutting elements 20, 22, 24, along an axis extending at least substantially parallel to the axis of rotation 18 of the cutting element 16.

The cutting unit 14 comprises a cutting space ( FIG. 3 ), in which the cutting element 16 and the counter cutting elements 20, 22, 24 of the cutting unit 14 are arranged. The converter cutter 10 includes an endless fiber feeding unit 54 which is provided to introduce the at least one continuous fiber into the cutting space. In particular, the continuous fiber feed unit 54 is intended to introduce several endless fibers into the cutting space at the same time. The continuous fiber feed unit 54 comprises at least one endless fiber outlet element 56, 58, 60 into which at least one fiber outlet opening 62, 64, 66 is introduced. The continuous fiber exit element 56, 58, 60 is intended to keep the continuous fiber under tension when introduced into the cutting space by means of a fluid flow, in particular air flow. The continuous fiber exit element 56, 58, 60 is preferably designed as a Venturi nozzle. However, it is also conceivable that the Endlosfaseraustrittselement 56, 58, 60 has another, a skilled person appear appropriate design. In particular, at least three fiber outlet openings 62, 64, 66 are introduced into the continuous fiber outlet element 56, 58, 60. However, it is also conceivable that one of three different numbers of fiber outlet openings 62, 64, 66 are introduced into the continuous fiber outlet element 56, 58, 60. The endless fiber feed unit 54 comprises at least three endless fiber outlet elements 56, 58, 60, one of the endless fiber outlet elements 56, 58, 60 of one of the counter cutting elements 20, 22, 24 being assigned to the cutting unit 14. However, it is also conceivable that the continuous fiber feed unit 54 has one of three different number of Endlosfaseraustrittselementen 56, 58, 60. The endless fiber exit elements 56, 58, 60 are each along a rotational direction of the cutting element 16 of the cutting unit 14 in front of the respective counter cutting element 20, 22, 24 of the cutting unit 14 is arranged. The endless fiber outlet elements 56, 58, 60 can be arranged exchangeably in the cutting space.

The counter-cutting elements 20, 22, 24 of the cutting unit 14 are evenly distributed, in particular symmetrically, disposed about the axis of rotation 18 of the cutting element 16 of the cutting unit 14. The counter cutting elements 20, 22, 24 of the cutting unit 14 are each offset by 120 degrees from each other in the cutting space. The counter cutting elements 20, 22, 24 of the cutting unit 14 have an analogous configuration. A rotational movement of the cutting element 16 of the cutting unit 14 by 360 degrees results in a scissor-like cut on each of the counter cutting elements 20, 22, 24 of the cutting unit 14.

The cutting unit 14, in particular the cutting unit 14 as a whole, is positionally variable relative to the frame unit 12. The cutting element 16 and the counter cutting elements 20, 22, 24 of the cutting unit 14 together are positionally variable relative to the frame unit 12. The cutting element 16 and the counter cutting elements 20, 22, 24 of the cutting unit 14 are arranged on a main body unit 68 of the cutting unit 14. The cutting element 16 of the cutting unit 14 is mounted for rotation on the main body unit 68 of the cutting unit 14. The counter cutting elements 20, 22, 24 of the cutting unit 14 are fixedly arranged on the main body unit 68 of the cutting unit 14.

The cutting unit 14, in particular the cutting unit 14 as a whole, is mounted to be translationally movable at least relative to the frame unit 12. The cutting element 16 and the counter cutting elements 20, 22, 24 of the cutting unit 14 are mounted so as to be translationally movable relative to the frame unit 12. The basic body unit 68 of the cutting unit 14 is mounted in a translationally movable manner on the frame unit 12. The converter cutting device 10 comprises at least one linear guide unit 70, by means of which the cutting unit 14 is mounted to be translationally movable at least relative to the frame unit 12. The linear guide unit 70 comprises at least one longitudinal guide rail 72, 74, in particular at least two longitudinal guide rails 72, 74, on which / on which the cutting unit 14, in particular the basic body unit 68 of the cutting unit 14, is arranged, in particular movably mounted. Preferably, the longitudinal guide rail 72, 74 has at least one guide rib and / or a guide groove which is provided to guide the cutting unit 14, in particular the main body unit 68 of the cutting unit 14, during a translational movement relative to the frame unit 12. A person skilled in the art will provide a meaningful number of longitudinal guide rails 72, 74 for the linear guide unit 70 depending on an application and / or load type of the linear guide unit 70.

The converter cutting device 10 comprises at least one further cutting unit 34, which has at least one cutting element 36 which is rotatable about a rotation axis 38 of the cutting element 36 of the further cutting unit 34, and at least one fixed counter cutting element 40, with which the cutting element 36 of the further cutting unit 34 at least during a cutting operation, in particular during a cutting operation to a conversion of at least one continuous fiber into cut fibers, cooperates, wherein the further cutting unit 34 is mounted relative to the cutting unit 14 movable on the frame unit 12. The cutting element 36 of the further cutting unit 34 and the counter cutting element 40 of the further cutting unit 34 are arranged in a cutting space of the further cutting unit 34. The further cutting unit 34 has at least three counter-cutting elements 40 (in FIG FIG. 1 only one of the three counter-cutting elements 40 is schematically indicated). The further cutting unit 34 has, in particular, a configuration analogous to the cutting unit 14. With regard to a description of an embodiment of the further cutting unit 34, reference may be made to the description of an embodiment of the cutting unit 14. The further cutting unit 34 is mounted in a translationally movable manner on the frame unit 12. The further cutting unit 34 is translationally movable by means of the linear guide unit 70 at the Rack unit 12 stored. The cutting unit 14 and the further cutting unit 34 are arranged on the linear guide unit 70.

The converter cutting device 10 has in the in FIG. 1 illustrated embodiment, a total of four cutting units 14, 34, which are configured analogously to each other. However, it is also conceivable that the converter cutting device 10 has one of four different number of cutting units 14, 34. All cutting units 14, 34 of the converter cutting device 10 are mounted movably relative to one another on the frame unit 12, in particular by means of the linear guide unit 70.

The converter cutting device 10 comprises at least one position fixing unit 32, which is provided to fix at least the cutting unit 14, in particular the main body unit 68 of the cutting unit 14, by means of a non-positive and / or positive connection in a position relative to the frame unit 12. The position fixing unit 32 is provided to fix at least the further cutting unit 34, in particular a basic body unit 76 of the further cutting unit 34, by means of a non-positive and / or positive connection in a position relative to the frame unit 12. Preferably, all cutting units 14, 34 of the converter cutting device 10 can be fixed by means of the position fixing unit 32 in a position relative to the frame unit 12. The cutting units 14, 34 of the converter cutting device 10 are preferably arranged in a row, in particular in a line which extends at least substantially parallel to a guide axis of the linear guide unit 70.

The position fixing unit 32 comprises at least one fixing element 78, which is movably mounted on the cutting unit 14, in particular on the main body unit 68 of the cutting unit 14. The fixing element 78 is preferably designed as a latching lever which is intended to cooperate with a latching recess (not shown in detail here) of the position fixing unit 32. The latching recess is arranged on the frame unit 12 or on the linear guide unit 70. However, it is also conceivable that the fixing element 78 The position fixing unit 32 preferably comprises per cutting unit 14, 34 of the converter cutting device 10 at least two fixing elements 78, in particular on different sides of the respective cutting unit 14, 34 are arranged. However, it is also conceivable that the position fixing unit 32 per cutting unit 14, 34 of the converter cutting device 10 comprises one of two different numbers of fixing elements 78.

The converter cutting device 10 comprises at least one movement guide unit 26, which is provided for movably supporting the frame unit 12 along at least two differently extending axes of movement 28, 30. The frame unit 12 is movably mounted by means of the movement guide unit 26 along the at least two differently extending axes of movement 28, 30 relative to a frame unit 80 of a production device 50 comprising the converter cutting device 10. The motion guide unit 26 is preferably designed as a linear motion guide unit. The axes of movement 28, 30 run at least substantially transversely to one another, in particular at least substantially perpendicular to one another. The movement axes 28, 30 are designed in particular as linear movement axes. However, it is also conceivable for the motion guidance unit 26 to have another configuration which appears appropriate to a person skilled in the art, for example a configuration as a rotational motion guidance unit, as a combination of a linear and rotational motion guidance unit or the like. It is also conceivable for the motion axes 28, 30 another, a person skilled in the seem appropriate design, such as a configuration as a rotation axis, as a combination of linear and rotational axes of rotation o. The like.

The movement guide unit 26 is designed as a cross slide guide unit. The frame unit 12 is mounted to be translationally movable by means of the movement guide unit 26, in particular translationally along the at least one two differently extending axes of movement 28, 30 movably mounted. One of the at least two differently extending axes of movement 28, 30 preferably runs at least substantially parallel to the guide axis of the linear guide unit 70. One of the at least two differently extending axes of movement 28, 30 preferably runs at least substantially perpendicular to the guide axis of the linear guide unit 70.

The converter cutting device 10 comprises at least one drive unit 42 at least for driving the cutting unit 14 and the further cutting unit 34. The drive unit 42 is arranged on the frame unit 12. However, it is also conceivable for the drive unit 42 to be arranged at another position that would appear meaningful to a person skilled in the art, for example on the frame unit 80 of the production apparatus 50 or the like. The drive unit 42 comprises at least one motor unit 82, in particular at least one electric motor unit. which is intended to generate a driving force. The motor unit 82 is arranged on the frame unit 12. The drive unit 42 is intended to drive all the cutting units 14, 34 of the converter cutting device 10, in particular the rotating drivable cutting element 16, 36 of the respective cutting unit 14, 34. However, it is also conceivable that the converter cutting device 10 comprises a plurality of drive units 42, each one of the cutting units 14, 34 is associated with at least one drive unit 42. In this alternative embodiment of the converter cutting device 10, the cutting units 14, 34 of the converter cutting device 10 are arranged offset relative to one another. In particular, the cutting units 14, 34 of the converter cutting device 10 are not arranged in a line extending at least substantially parallel to the guide axis of the linear guide unit 70 in the alternative embodiment of the converter cutting device 10 mentioned above. Further embodiments which appear sensible to a person skilled in the art with respect to an arrangement of the cutting units 14, 34 of the converter cutting device 10 and / or a drive unit 42 of the converter cutting device 10 are also conceivable.

The drive unit 42 has at least one belt drive element 44 which is provided at least for driving the cutting unit 14 and the further cutting unit 34 (FIG. FIGS. 1 and 2 ). The belt drive element 44 is preferably provided for driving all cutting units 14, 34 of the converter cutting device 10. The wrap drive element 44 is designed in particular as a toothed belt. However, it is also conceivable for the belt drive element 44 to have another configuration which appears appropriate to a person skilled in the art.

The wrapping drive element 44 rests on at least one drive element 46 of the cutting unit 14 and on at least one drive element 48 of the further cutting unit 34, at least during a movement of the cutting unit 14 relative to the further cutting unit 34. The drive element 46 of the cutting unit 14 is provided to drive at least the cutting element 16 of the cutting unit 14 in rotation. The drive element 46 of the cutting unit 14 is designed as a toothed belt pulley. The wrapping drive element 44 preferably wraps around the drive element 46 of the cutting unit 14 along an angular range of more than 90 °, in particular more than 120 °. However, it is also conceivable for the drive element 46 of the cutting unit 14 and / or the belt drive element 44 to have another configuration which appears appropriate to a person skilled in the art. The drive element 46 of the cutting unit 14 is rotatably connected to a spindle 84 of the cutting unit 14. The spindle 84 of the cutting unit 14 is rotatably connected to the cutting element 16 of the cutting unit 14. The drive element 48 of the further cutting unit 34 is provided to drive at least the cutting element 36 of the further cutting unit 34 in rotation. The drive element 48 of the further cutting unit 34 is designed as a toothed belt pulley. However, it is also conceivable that the drive element 48 of the further cutting unit 34 has another, a skilled person appear appropriate design. The belt drive element 44 wraps around the drive element 48 of the further cutting unit 34 preferably over an angular range of more than 90 °, in particular more than 120 °. The drive element 48 of the further cutting unit 34 is non-rotatably connected to a spindle 86 of the further cutting unit 34. The spindle 86 of the further cutting unit 34 is non-rotatably connected to the cutting element 36 of the further cutting unit 34.

The wrapping drive element 44 abuts against at least one drive element 46, 48 of the respective cutting unit 14, 34 of the converter cutting device 10, at least during a movement of all the cutting units 14, 34 of the converter cutting device 10 relative to one another. Preferably, all the drive elements 46, 48 of the cutting units 14, 34 of the converter cutting device 10 have an analogous configuration. However, it is also conceivable that the drive elements 46, 48 of the cutting units 14, 34 of the converter cutting device 10 in an alternative embodiment of the converter cutting device 10 have different configurations.

The drive unit 42 comprises at least two deflection elements 88, 90 which are provided for deflecting the belt drive element 44. The at least two deflection elements 88, 90 are arranged in particular on the main body unit 68 of the cutting unit 14. Preferably, the drive unit 42 per cutting unit 14, 34 of the converter cutting device 10 comprises at least two deflection elements 88, 90, which are arranged on the respective basic body unit 68, 76 of the corresponding cutting unit 14, 34. However, it is also conceivable that the drive unit 42 has one of two different number of deflection elements 88, 90, in particular per cutting unit 14, 34 of the converter cutting device 10. The drive unit 42 comprises at least one further deflection element 92, in particular at least three further deflection elements 92, which are provided for deflecting the belt drive element 44 and which are preferably arranged on the frame unit 12.

FIG. 4 shows the production device 50, the at least one receiving and / or transport unit 52 and at least the converter cutting device 10 includes. The receiving and / or transport unit 52 comprises at least one receiving element 94, which is provided for receiving cut fibers. The receiving element 94 is preferably arranged below the converter cutting device 10. It can be advantageously made possible a simple recording of cut by means of the converter cutting device 10 fibers. The receiving element 94 is formed as a hollow body, in the cut fibers by means of a fluid flow, in particular air flow, are sucked. The receiving element 94 is arranged on the frame unit 80 of the production device 50. However, it is also conceivable that the receiving and / or transport unit 52 alternatively or additionally to the receiving element 94, at least one transport element, in particular a conveyor belt, which is arranged below the converter cutting device 10. The frame unit 12 is movably arranged on the frame unit 80 by means of the motion guide unit 26.

FIG. 5 1 shows a schematic sequence of a method for producing at least one product comprising cut fibers by means of the production apparatus 50. In at least one method step of the method, at least one endless fiber is produced by means of the converter cutting apparatus 10, in particular by means of the cutting units 14, 34 of the converter cutting apparatus 10, converted into cut fibers. In at least one method step of the method, the cut fibers are collected in the receiving element 94 or alternatively on a transport element of the production device 50. In at least one method step of the method, a compression and / or compression of the cut fibers takes place in the receiving element 94 or alternatively on the transport element. It is conceivable that the cut fibers are impregnated in at least one method step of the method with an impregnating agent, in particular with a resin. In at least one method step of the method, the cut fibers are transported away in the receiving element 94 or alternatively by means of the transport element. In at least one method step of the method, pressing and / or compacting are carried out sliced fibers to produce a product comprising chopped fibers. Additionally or alternatively, it is conceivable that the method comprises a drying process step in which a drying of cut and / or impregnated fibers can take place. In addition, the method can have further method steps that appear appropriate to a person skilled in the art. In addition, it is conceivable that the converter cutting device 10 can be used in an alternative production device by means of which, for example, fiber-reinforced semi-finished products, in particular mats (for example resin mats) can be produced, such as sheet-molding compounds (SMC).

With regard to further method steps of the method for producing at least one product comprising cut fibers by means of the production device 50, reference may be made to the preceding description of the production device 50 and / or the converter cutting device 10, since this description is also analogous to the method and thus all the features relating to the production apparatus 50 and / or the converter cutting apparatus 10 are also considered to be disclosed by the production apparatus 50 with respect to the method of manufacturing at least one product comprising cut fibers.

reference numeral

10

Converter cutter

12

rack unit

14

cutting unit

16

cutting element

18

axis of rotation

20

Against cutting element

22

Against cutting element

24

Against cutting element

26

Motion control unit

28

motion axis

30

motion axis

32

Position fixing unit

34

cutting unit

36

cutting element

38

axis of rotation

40

Against cutting element

42

drive unit

44

Umschlingungsantriebselement

46

driving element

48

driving element

50

production device

52

Receiving and / or transport unit

54

Continuous fiber supply unit

56

Continuous fiber exit element

58

Continuous fiber exit element

60

Continuous fiber exit element

62

Fiber exit port

64

Fiber exit port

66

Fiber exit port

68

Chassis assembly

70

Linear guide unit

72

Longitudinal guide rail

74

Longitudinal guide rail

76

Chassis assembly

78

fixing element

80

frame unit

82

motor unit

84

spindle

86

spindle

88

deflection element

90

deflection element

92

deflection element

94

receiving element

Claims (15)

1. Converter cutting device for a conversion of at least one continuous fiber into cut fibres, with at least one frame unit (12) and with at least one cutting unit (14) comprising at least one cutting element (16) which is drivable rotatably about a rotational axis (18) of the cutting element (16), and comprising at least one fix counter-cutting element (20, 22, 24), which the cutting element (16) cooperates with at least during a cutting process, characterised in that the cutting unit (14) is variable in its position with respect to the frame unit (12), wherein the cutting unit as a whole is supported movably with respect to the frame unit, wherein the cutting element and the counter-cutting element of the cutting unit are movably supported together with respect to the frame unit.
2. Converter cutting device according to claim 1, characterised in that the cutting unit (14) is supported in such a way that it is translationally movable at least with respect to the frame unit (12).
3. Converter cutting device according to one of the preceding claims, characterised by at least one movement-guiding unit (26), which is configured to support the frame unit (12) movably along at least two differently oriented movement axes (28, 30).
4. Converter cutting device according to claim 3, characterised in that the movement axes (28, 30) extend at least substantially transversely to one another.
5. Converter cutting device at least according to claim 3, characterised in that the movement-guiding unit (26) is embodied as a cross-slide guiding unit.
6. Converter cutting device at least according to claim 3, characterised in that the frame unit (12) is supported, by means of the movement-guiding unit (26), in such a way that it is translationally movable.
7. Converter cutting device according to one of the preceding claims, characterised by at least one position-fixating unit (32), which is configured to fixate at least the cutting unit (14) in a position with respect to the frame unit (12) via a force-fit and/or form-fit connection.
8. Converter cutting device according to one of the preceding claims, characterised by at least one further cutting unit (34) comprising at least one cutting element (36) which is drivable rotatably about a rotational axis (38) of the cutting element (36), and comprising a fix counter-cutting element (40), which the cutting element (36) cooperates with at least during a cutting process, wherein the further cutting unit (34) is supported on the frame unit (12) movably with respect to the cutting unit (14).
9. Converter cutting device according to claim 8, characterised in that the further cutting unit (34) is supported on the frame unit (12) in such a way that it is translationally movable.
10. Converter cutting device at least according to claim 8, characterised by at least one drive unit (42) at least for driving the cutting unit (14) and the further cutting unit (34).
11. Converter cutting device according to claim 10, characterised in that the drive unit (42) comprises at least one wraparound drive element (44), which is configured at least for driving the cutting unit (14) and the further cutting unit (34).
12. Converter cutting device according to claim 11, characterised in that the wrap around drive element (44) is situated adjacent to at least one drive element (46) of the cutting unit (14) and to at least one drive element (48) of the further cutting unit (34) at least during a movement of the cutting unit (14) with respect to the further cutting unit (34).
13. Converter cutting device at least according to claim 10, characterised in that the drive unit (42) is arranged on the frame unit (12).
14. Production apparatus with at least one accommodating and/or transport unit (52) and with at least one converter cutting device according to one of the preceding claims.
15. Method for producing at least one product comprising cut fibres, via the production apparatus according to claim 14.

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