Spinning machine having a compaction device
The invention relates to a device for compacting a sliver (V) on a spinning machine, comprising a drafting unit (2) having successive drafting roller pairs (3, 4; 5, 6; 7, 8), the top rollers (4, 6, 8) of which are anchored on a pressure lever (10) pivotally mounted on the machine frame (MR), and comprising a compaction unit (VM) pivotally mounted on the machine frame (MR) adjacent to the delivery roller pair (7, 8) of the drafting unit (2). The pivot axis (MA) of the compaction unit runs parallel to and spaced apart from the axes of rotation (7a, 8a) of the delivery roller pair (7, 8), and the compaction unit comprises a support (20) on which at least one suction drum (17) provided with a suction zone (Z) is rotatably mounted. A respective nip roll (33) fastened to the support (20) bears against the suction drum (17) under the influence of a pressure element (F2) in order to form a nip line (P) at the end of the suction zone (Z). In order to form a drive connection between the bottom roller (7) of the delivery roller pair (7, 8) and the suction drum (17), at least one spring element (F1, 55; 68) acts on the support (20) at a distance from the pivot axis (MA) thereof, as a result of which the suction drum (17) is moved towards the bottom roller (7) of the delivery roller pair (7, 8). In order to improve known solutions, according to the invention guide means (30) are provided in the region of the pivot axis (MA) of the support (20) of the compaction unit (VM), via which guide means the compaction unit, viewed in the direction of the pivot axis (MA) thereof, is fixed in the mounted position thereof on the machine frame (MR), and the spring element (F1, 55; 68) is mounted at the free end of the pressure lever (10). 1. used for the spinning of the fiber (V) for compaction device, associated with each other to the drafting assembly rolls of successively (3, 4 ; 5, 6 ; 7, 8) the drafting mechanism unit (2), wherein the drafting assembly rolls the roller (4, 6, 8) in order to be able to deflect is kept in the on (MR) of the frame (10) on; and has a the immediately preceding wherein the drafting mechanism unit (2) to the output of the (7, 8) in order to be able to deflect the is mounted on the frame of a compacting unit (VM) (MR), the deflection of the solid-pressing unit is parallel to the axis of and relative to the output (MA) to (7, 8) of the rotating shaft (7a, 8a) extending between and spaced from the solid-pressing unit is provided with bracket (20), at least one is provided with a suction area (Z) of the suction drum (17) in order to be rotated by the supported on the bracket means, in order to in the suction area (Z) form clamping the end of the line (P) corresponding to a is fixed on the bracket (20) on the pinch roll (33) of the pressure element (F2) is placed on the under the action of the suction cylinder, and in order to to the output roller (7, 8) of the roller (7) and the suction drum (17) to form a driving connection between, with the bracket (20) spaced apart from a deflection axis under the condition of (MA) through the at least one spring element (F1, 55 ; 68) to the bracket (20) applied load, thereby enabling the suction drum (17) towards the output roller (7, 8) of the roller (7) movement, characterized in that In the solid-pressing unit is (VM) of the bracket (20) (MA) deflection axis is set in the area of guide mechanism (30), through the guide mechanism will be the solid-pressing unit is towards its deflection axis is fixed to the viewed in a direction (MA) which is mounted on the frame in the position of the (MR), and the spring element (F1, 55 ; 68) mounted on the spherical (10) on the free end. 2. the device according to Claim 1, characterized in that the bracket (20) is provided with a coupling bit (60), the coupling is in the running position with the spring element (F1, 55 ; 68) of the coupling bit (62) formed into a shape-fit connection, through the matched with the shape of the coupling allows the compressive rod (10) transverse to its deflection plane telling fortunes by physiognomy (SE) to the bracket (20) to be fixed. 3. according to claim 1 to 2 a in the device, characterized in that the spring element is deflected in order to be able to be installed in the compressive mode (10) of the lever (55) is formed by the, spring (F1) and applying load to the lever. 4. according to claim 1 to 2 a in the device, characterized in that the spring element is formed by a leaf spring (68) form. 5. according to claim 1 to 4 a in the device, characterized in that the bracket (20) is provided with a suction channel (SK), the suction channel of the one end of the bracket into leaning indexing in the area of the (MA), and the other to one end of the in a extends into the said suction drum (17) the sucking in of the insert (18) in the area of the. 6. the device according to Claim 5, characterized in that the bracket (20) is provided with a U-shaped end piece (46), by the end part of the bracket (46) in the installation position in the engagement position (KS) (MR) with the frame partially-walled circular channel (50), the circular channel is fixed in the machine frame on (MR), and is connected with a negative pressure source (SP). 7. the device according to Claim 6, characterized in that in the engagement position is set in the area of (KS) for the U-shaped end piece (46) of the fixed laterally guiding element (30). 8. according to the requirements of any one in the right of the device, characterized in that the pinch roll (33) in order to rotate the motion mode of the way in order to be able to deflect is installed in the bracket (20) on the pressure arm (71) on. 9. the device according to Claim 8, characterized in that in the states presses the arm (71) yaw axis of (24) and the pinch roll (33) of the rotating shaft (32) is disposed between the spring element (F2). 10. according to claim 8 to 9 a in the device, characterized in that the states presses the arm (71) yaw axis of (24) in the following the upper part of the plane of: the plane through the bracket (20) the axis of deflection (MA) and the suction drum (17) the rotating shaft (22) to extend. 11. the device according to Claim 10, characterized in that on the bracket (20) is provided with a stop (64), the stop extends into the states presses the arm (71) in the range of movement, for the pressure arm is maintained in position under point. 12. in the right according to the requirements of any one said device, characterized in that on the frame is arranged on (MS) the guide member (52), the conversion to the stop operation of the indexing position is 1st the guide member will guide the bracket is (KS) to the engagement position. 13. according to the aforesaid claim 1 to 12 to any one of the device, characterized in that wherein the drafting mechanism unit (2) with two side-by-side is is double of the traction mechanism of the traction mechanism, of press rollers of the drafting mechanism (4, 6, 8) is a common rod (10) to maintain the, and is allocated to the drafting mechanism corresponding to the output (7, 8) of the suction drum (17) and the solid-pressing unit is (VM) of the pinch roll (33) in order to be rotated by the in the common way to support the bracket (20) on. 14. have according to claim 1 to 13 in the device of any one of a spinning machine.