Abstract: In a drafting system (1) for a textile machine, in particular an air-spinning machine, for drafting a strand-shaped fibre band fed to the drafting system, having a plurality of roller pairs arranged in succession in a running direction (A) of the fibre band and each having a top roller (3) and a bottom roller (4), and a weighting device for applying a load to the top roller (3) of the plurality of roller pairs; wherein the respective bottom roller (4) is mounted and held in a housing (2) of the drafting system (1), wherein the respective top roller (3) is mounted and held in the housing (2) of the drafting system (1) by means of a top roller carrier (30) which can be pivoted about a rotary axis.

Abstract: In a spinning position device (10) for a ring spinning machine (1) comprising a spindle (20) for a package body (13), which spindle (20) is rotatably mounted on a spindle rail (2), and an encapsulation (50) extending in the longitudinal direction of the spindle (20) and enclosing the package body (13), the encapsulation (50) being connected to the spindle rail (2), there is provision for the encapsulation (50) to be longitudinally divided and to have a rear encapsulation wall (51) and a front encapsulation wall (52), the front encapsulation wall (51) being movable into an open position, so that in the open position the package body (13) of the spinning position device (10) is accessible for operation.

Abstract: In a spinning position device (10) for a ring spinning machine (1) comprising a spindle (20) for a package body (13), which spindle (20) is rotatably mounted on a spindle rail (2), and an encapsulation (50) extending in the longitudinal direction of the spindle (20) and enclosing the package body (13), the encapsulation (50) being connected to the spindle rail (2), there is provision for the encapsulation (50) to be longitudinally divided and to have a rear encapsulation wall (51) and a front encapsulation wall (52), the front encapsulation wall (51) being movable into an open position, so that in the open position the package body (13) of the spinning position device (10) is accessible for operation.

Abstract: In a drafting system (1) for a textile machine, in particular an air-spinning machine, for drafting a strand-shaped fibre band fed to the drafting system, having a plurality of roller pairs arranged in succession in a running direction (A) of the fibre band and each having a top roller (3) and a bottom roller (4), and a weighting device for applying a load to the top roller (3) of the plurality of roller pairs; wherein the respective bottom roller (4) is mounted and held in a housing (2) of the drafting system (1), wherein the respective top roller (3) is mounted and held in the housing (2) of the drafting system (1) by means of a top roller carrier (30) which can be pivoted about a rotary axis.

Abstract: A rotatably mounted suction drum (14) of a device (VM) for compacting a fiber material (V) on a spinning machine having an annular drive element (20) which, in the operating position, rests via a portion of its inner surface (IF) on a portion of a circular peripheral surface (AU) of a projection (13) that extends coaxial to an axis of rotation (A1) of the suction drum (14) and is mounted on an end face (35) of the suction drum (14). In order to prevent fibers detached from the fiber material (V) from settling between the inner surface (IF) of the drive element (20) and the peripheral surface (AU) of the projection (13), the suction drum (14), on the end face (35) having the projection (13), has a peripheral elevation (36) and the drive element (20) on the side (46) directed toward the end face (35) of the suction drum (14) has a peripheral recess (37), wherein the elevation (36) protrudes into the recess (37) a labyrinth seal.

Abstract: A fastening mechanism is provided to detachably fasten and position a compaction module on a drafting unit of a spinning machine, wherein the compaction module has a carrier, which is provided with at least one suction channel that is connected to suction inserts of compaction elements that are movably mounted on the carrier. A coupling device using the fastening mechanism. In order to ensure simple and positionally accurate attachment of a compaction module, the fastening mechanism is composed of at least one clamping element that has retaining elements for fixed and positioned fastening on the spinning machine and is provided with a first receiving slot, which is open on one side and has a retaining section, by means of which a retaining element fastened on the carrier can form a positive-fitting clamped connection.

Abstract: A support element for a compacting device for two drawing system units of a spinning machine disposed next to each other, includes a suction channel that extends inside the support element and is connected to a suction zone of suction drums via openings of suction inserts. The end faces of the suction drums are open at one end and are disposed coaxially opposite each other at a distance. The suction drums are rotatably mounted on a shaft that is attached to the support element. The support element is formed from two half shells that form the suction channel and are connected to each other by way of attachment means, wherein each of the half shells has an outwardly projecting tubular suction insert. The suction inserts are disposed coaxially opposite each other, and each suction insert has at least one bearing element that is provided with a passage and has at least one brace, by way of which the shaft is held in the radial direction.

Abstract: The invention relates to a rotatably mounted suction drum (14) of a device (VM) for compacting a fiber material (V) on a spinning machine having an annular drive element (20) which, in the operating position, rests via a portion of its inner surface (IF) on a portion of a circular peripheral surface (AU) of a projection (13) which extends coaxial to an axis of rotation (A1) of the suction drum (14) and is mounted on an end face (35) of the suction drum (14).

Abstract: A device for compacting a fiber composite on a spinning machine includes consecutive drafting arrangement roller pairs. A compaction unit is pivotably mounted on the machine frame downstream of the delivery roller pairs with a pivot axis parallel to the rotational axes of the delivery roller pair, and includes a support with a suction drum rotatably supported on the support. At the end of a suction zone of the drum, a nip roller is fastened to the support to form a nip line. The support is spring-loaded to form a drive connection between the lower roller of the delivery roller pair and the suction drum, wherein the suction drum is moved against the lower roller. Guide means fix the compaction unit in position as mounted on the machine frame, and the spring element is mounted on the free end of the pressure lever.

Abstract: A compacting unit for compacting a fiber composite supplied by a drafting unit of a spinning machine has a beam on which at least one suction drum equipped with a suction zone is rotatably mounted on an axle. A clamping roller mounted on the beam is in contact with the suction drum to form a clamping line at the end of the suction zone under the action of a pressure element mounted on the beam. The clamping roller is mounted so it is rotationally movable on a pressure arm that is equipped with a spring element and is mounted on the beam so it can pivot over a pivot axis.

Abstract: A device for compacting a sliver (V) on a spinning machine has a driven, revolving compaction element (17) that is acted on by suction air and which has a drive element (28, 29) that, in an operating position, forms a drive connection with a driven element (7, 7z) of the spinning machine while forming a first gearing stage (G1). To make the drive of the compaction device more flexible, a second gearing stage (G2) is provided between the drive element (28, 29) of the compaction element (17) of the first gearing stage (G1) and the compaction element (17).

Abstract: A device is provided for cleaning roller surfaces of rollers that are arranged one behind the other at a radial distance (b) from one another for processing fiber material (F) on a textile machine. A clearer roller is received in a guide of a clearer roller holder, wherein the guide is acted on by a spring element, and the clearer roller is pressed via a pressing force (AK) against the roller surfaces of the adjacent rollers. In order that by swiveling a top roller support arm upwards, the clearer roller is lifted off the roller surfaces to be cleaned and is able to adapt to different diameter ratios (Db/Da) of the rollers so that a consistent pressure distribution on the roller surfaces to be cleaned is ensured, the longitudinal direction (L) of the guide runs at a distance (a) to a plane (E) in which lie the two axes of the rollers that are arranged at a radial distance (b) from one another.

Abstract: The invention relates to a device for compacting a sliver (V) on a spinning machine. At least one rotatably supported nip roller (33) is associated with a compaction element downstream from a suction zone (Z) to form a nip line (P). The compaction element (17) and the nip roller (33) are rotatably supported on a shared support (20) that is detachably fastened to the spinning machine via fastening means (46). The compaction element (17) has at least one drive element (28) that forms a drive connection with a bottom roller (7) of a pair of delivery rollers (7, 8) via a weighting device (55, 58) when the compaction element is transferred from an idle position to an operating position. The support has a suction channel (SK) for the suction air of the compaction element (17).

Abstract: The invention relates to a fastening means for detachably fastening and positioning a compaction module (VM) on a drafting unit (2) of a spinning machine, wherein the compaction module has a carrier (20), which is provided with at least one suction channel (SK) which is connected to suction inserts (18) of compaction elements (17) which are movably mounted on the carrier. The invention further relates to a coupling device using the fastening means. In order to ensure simple and positionally accurate attachment of a compaction module, the fastening means is composed of at least one clamping element (11) which has retaining means (54, M) for fixed and positioned fastening on the spinning machine and is provided with a first receiving slot (50), which is open on one side and has a retaining section (48), by means of which a retaining element (45) fastened on the carrier (20) can form a positive-fitting clamped connection.

Abstract: The invention relates to a support element (20) for a compacting device (VM) for two drawing system units (2) of a spinning machine disposed next to each other, comprising a suction channel (SK), which extends inside the support element (20) and which is connected to a suction zone (Z) of suction drums (17) via openings (S) of suction inserts (18), wherein in each case one suction drum (17) is associated with the delivery roller pair (7, 8) of the respective drawing system unit (2), and the end faces (84) of the suction drums (17) which are open at one end are disposed coaxially opposite each other at a distance, wherein the suction drums are rotatably mounted on a shaft (22) that is attached to the support element (20).

Abstract: The invention relates to a compacting unit (VM) for compacting a fiber composite supplied by a drafting unit (2) of a spinning machine, wherein the compacting unit (VM) has a beam (20) on which at least one suction drum (17) equipped with a suction zone (Z) is rotatably mounted on an axle (22) and a clamping roller (33) mounted on the beam (20) is in contact with the suction drum to form a clamping line (P) at the end of the suction zone (Z) under the action of a pressure element (F2) mounted on the beam. To improve the known devices of loading mechanisms for clamping rollers on suction drums (17), it is proposed that the clamping roller (33) is mounted so it is rotationally movable on a pressure arm (72) which is equipped with a spring element (F2) and is mounted on the beam (20) so it can pivot over a pivot axis (24).

Abstract: The invention relates to a device for compacting a fiber composite (V) on a spinning machine with a drafting arrangement unit (2) that includes consecutive drafting arrangement roller pairs (3, 4; 5, 6; 7, 8) having pressure rollers (4, 6, 8) that are retained on a pressure lever (10) that is pivotably supported on the machine frame (MR), and with a compaction unit (VM) that is pivotably mounted on the machine frame (MR) downstream of the delivery roller pair (7, 8) of the drafting arrangement unit (2), which has a pivot axis (MA) that extends parallel and at a distance relative to the axes of rotation (7a, 8a) of the delivery roller pair (7, 8) and includes a support (20) with at least one suction drum (17) that is provided with a suction zone (Z) and that is rotatably supported on the support, and upon the suction drum, at the end of the suction zone (Z), respectively one nip roller (33) is disposed that is fastened to the support (20), under the effect of a compressive-force element (F2), in order to achie

Abstract: The invention relates to a spinning machine, the drafting arrangement of which comprises a drafting arrangement unit (35, 65, 95) with a first pair of rollers consisting of a first bottom roller (22) and a first top roller (21, 41, 71). The drafting arrangement unit (35, 65 95) is configured as an assembly which is detachably fastened to the spinning machine by means of a fastening device (11, 59). The drafting arrangement unit (35, 65, 95) is designed for one spinning station or as a twin drafting arrangement unit for two adjacent spinning stations. The unit can also include further rollers which, together with the first pair of rollers, form a drafting zone of the drafting arrangement.

Abstract: The invention relates to a device for compacting a sliver (V) on a spinning machine, having a driven, revolving compaction element (17) which is acted on by suction air and which has a drive element (28, 29) which, in an operating position, forms a drive connection with a driven element (7, 7z) of the spinning machine while forming a first gearing stage (G1). To make the drive of the compaction device more flexible, it is proposed that a second gearing stage (G2) is provided between the drive element (28, 29) of the compaction element (17) of the first gearing stage (G1) and the compaction element (17).