Classifications

• • D—TEXTILES; PAPER
  • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
  • D01H—SPINNING OR TWISTING
  • D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
  • D01H1/14—Details
  • D01H1/38—Arrangements for winding reserve lengths of yarn on take-up packages or spindles, e.g. transfer tails
  • D01H1/385—Removing waste reserve lengths from spindles
• • D—TEXTILES; PAPER
  • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
  • D01H—SPINNING OR TWISTING
  • D01H11/00—Arrangements for confining or removing dust, fly or the like
  • D01H11/005—Arrangements for confining or removing dust, fly or the like with blowing and/or suction devices
  • D01H11/006—Arrangements for confining or removing dust, fly or the like with blowing and/or suction devices travelling along the machines

Definitions

• the invention relates to a device for whirl cleaning in ring spinning machines according to the preamble of claim 1.
• the DE-PS 12 67 154 has a device for removing the thread turns at Wirtein content, which consists of a sawtooth-like scratching device and a suction device.
• the device moves together with the cop pulling device along the spinning machine and eliminates the thread windings on the spindle whorls as it drives past.
• the sawtooth-like scratching device is elastically mounted and thus elastically engages in the ring grooves to be cleaned on the spindles. This causes considerable wear in the area of these ring grooves.
• a further disadvantage is that if the wheels and / or the rails are worn, precise positioning of the scratching device relative to the ring grooves is no longer guaranteed.
• a cleaning device of the type mentioned is the subject of EP-A 0 251 397.
• This device can also be moved along rails which are attached to the floor below the spinning machine.
• This device has a head consisting of a knife, a suction nozzle and a rotating round brush.
• the movement of the device along the spinning machine is carried out by a rotating Maltese cross that engages stands with pins arranged underneath the spindle bench, each aligned with the spindle axis.
• the head executes a reciprocating transverse movement perpendicular to the longitudinal movement, such that the head approaches a spindle when the device approaches a spindle and moves away from the spindle when the device continues.
• the disadvantage here is that the rails on which the device travels must have an exact vertical distance from the ring grooves of the spindles. If this exact distance is not available, for example due to uneven floors or wear on the guide or drive rollers, the knife cannot engage in the ring grooves.
• the horizontal stop is preferably a rail which has bores whose mutual spacing is equal to the mutual spacing of the spindles.
• the device has a horizontal support on which a plurality of heads are arranged, the mutual spacing of which is the same the spindle distance.
• Two horizontal spaced pins are also provided on the horizontal support for positioning.
• the carrier is arranged on the housing of the device in a height-adjustable manner and can be pivoted slightly about a horizontal axis. For cleaning, the carrier is moved in the direction of the spindles until the pins engage in the holes in the rail.
• the knives of the heads are moved into the ring flutes and loosen the remaining threads that are extracted.
• the carrier is then moved away from the rail and the device is moved along the spindle bench.
• the path to be followed is equal to the spindle distance multiplied by the number of heads that the carrier carries.
• the carrier is then moved again in the direction of the spindles until the pins come into engagement with bores in the rail, the carrier being repositioned and the knives of the heads engaging in the ring grooves of the spindles. This process is repeated until all spindles have been cleaned.
• the carrier can comprise a wheel which rotates about a vertical axis and which supports the heads.
• a second wheel is connected to this wheel, on the circumference of which the pins are arranged.
• the wheel carrying the pins rolls along the rail, the pin engaging each hole positioning the two wheels.
• the heads or the knives of the heads then come into successive engagement with adjacent spindles.
• Figure 1 is a plan view of a first embodiment of the device
• Figure 2 shows a cross section through the first embodiment of the device
• Figure 3 shows a longitudinal section in this embodiment
• Figure 4 a partial cross section to illustrate the movement of the carrier
• Figure 5 a plan view of the head
• Figure 6 is a plan view of a second embodiment of the device.
• Figure 7 shows a cross section through this device;
• Figure 8 shows a longitudinal section through this device;
• Figure 9 a partial view of the guide rollers
• Figure 10 is a view of the index pin with drive
• Figure 11 is a view of the carrier and its drive in the second embodiment
• Figure 12 is a plan view in a third embodiment
• Figure 13 shows a cross section through the third embodiment
• Figure 14 a longitudinal section in this embodiment.
• the device has a housing 1 which can be moved along rollers 3 along a rail 3 which is laid on the floor.
• a rail 3 which is laid on the floor.
• This frame has a horizontal crossbar 6.
• This crossbar 6 is provided with two vertically running bores 7, through which two bolts 8A, 8B of a support 9 are guided
• the two screw bolts 8A, 8B connect two horizontally extending support beams 10, 11 to one another.
• Bolts 8A, 8B are each from a helical spring
• a nut 13A, 13B is supported on the upper ends of the coil springs 12A, 12B, so that the springs
• a swivel motor 14 is attached, which in
• the upper support beam 9 supports two wheels 15A, 15B with a vertical axis of rotation, via these wheels 15A, 15B is a
• Timing belt 16 tensioned This toothed belt has heads 17 on its outer circumference, each of which consists of a triangular cutting knife 18 and a suction nozzle 19. in the
• the toothed belt 16 is each provided with a slot running to the inside of the toothed belt 16.
• the mutual distance between two neighboring beard heads 17 corresponds to the distance between two adjacent spindles 20 of the ring spinning machine. These are stored in the spindle bank 21.
• the lower support beam 11 also supports two wheels 22A, 22B, the axes of which run parallel to the axes of the wheels 15A, 15B.
• a rail 25 is fastened, which runs horizontally and has a recess 26 in the form of a bore at the level of a spindle 20.
• the housing 1 supports a further swivel motor 27, which is in engagement with an index pin 28 mounted on the housing 1.
• the index pin 28 can be moved at right angles to the rail 25 via the motor 27.
• a third swivel motor 29 is fastened to the housing 1 and is in engagement with an adjusting plate 30 which is horizontally displaceably mounted at the level of the toothed belt 23.
• the wheels 15A and 22A and the wheels 15B and 22B which each have the same diameter, are connected to one another in a rotationally fixed manner, for example via a coupling or a flexible shaft.
• a suction channel 31 is arranged on the carrier 9 and is connected to the respective nozzles 19. This suction channel 31 opens into a vertically extending suction nozzle 32.
• the device Before whirl cleaning begins, the device is at one end of the spindle bench.
• the frame 5 and thus the support 9 are at a distance from the rail 25, as shown in broken lines in Figures 1 and 2.
• the pins 24 are therefore out of engagement with the recesses 26 of the rail 25 and the heads 17 are at a distance from the spindles 20.
• part of the pins 24 lie against the adjusting plate 30.
• the index bolt 28 is also pivoted in the direction of the housing. If the device now receives the command for spindle cleaning, then one of the rollers 2 is started by an electric motor, so that the device begins to move along the spindle bench 21.
• a button 33 counts the number of recesses 26 that have been passed.
• no spindles 20 are present in the first eight recesses. If the button 33 has gripped the tenth recess 26, the device is stopped and the swivel motor 27 is actuated, so that the index pin 28 engages in the recess 26 on the left in FIG. Then the swivel motor 29 is actuated, which moves the adjusting plate 30 to the left and thus also the toothed belt 23, the one facing the adjusting plate 30 Pins 24 are in contact with this plate. This adjustment movement is carried out until that of the rail
• the carrier 9 is both in the longitudinal direction and in height with respect to the
• Rail 25 adjusts, so that the knives 18 are exactly at the level of the annular groove 34 of the spindles 20.
• the swivel drive 27 then moves the index pin 28 back in the direction of the housing so that it comes out of engagement with its recess 26. Now the drive for the rollers 2 is put into operation again and the device moves along the spindle bank 21, the toothed belt 23 rolling with its pins 24 along the rail 25.
• the knives 18 are always in exact engagement with the ring grooves 34. If wear occurs on the rollers 2 and / or on the rail 3 or if the rail 3 follows uneven floors, then the support 9 on the frame 5 and through the bearing Engagement of the pins 24 in the recesses 26 always ensures exact engagement of the knives 18 in the annular grooves 34.
• Each head 17 is in engagement with a spindle 20 over a longer period of time, which ensures that the spindle foot is cleaned properly.
• the separated threads are sucked off via the nozzles 19, 31 and the suction channel 32. Since the swivel drive 14 acts on the frame 5 via a spring 35, the carrier 6 is guided in a horizontally resilient manner against the rail 25 and the spindle 20.
• parts that are functionally the same as those of the first embodiment are identified with the same item numbers, but to which a 100 is presented.
• the housing 101 has vertical guide rails 104 on its rear wall, on which the frame 105 is guided so as to be vertically adjustable.
• This frame is divided into two parts and consists of the vertically guided frame part 135 and the horizontally extending frame part 136.
• the frame part 136 is connected to the frame part 135 via a vertically extending bolt 137.
• Two fork-shaped arms 136A, 136B, which extend in the direction of the rail 125, are rigidly connected to the frame part 136.
• the frame part 136 carries, via springs 138, a guide rail 139 which runs horizontally and at right angles to the rail 125 and which slidably supports the carrier 109.
• the carrier 109 has an upper carrier beam 110 and a lower carrier beam
• the upper support beam 110 supports the wheels 115A, 115B, while the lower support beam 111 supports the wheels 122A, 122B.
• the lower support beam 111 additionally supports a tensioning wheel 140.
• a toothed belt 116 is guided over the wheels 115 and carries the heads 117, while the toothed belt 123 with the pins 124 is guided over the wheels 122, 140.
• a swivel motor 114 is fastened to the frame 135, which is articulated to the carrier 109 and is capable of displacing the carrier 109 in the direction of the rail 125 and away from it. Still is.
• a swivel motor 127 is arranged on the frame 105 and is capable of displacing the index pin 128, which is also mounted on the frame 135.
• An adjusting disk 141 which carries four rollers 142 in a cross-like arrangement, is connected in a rotationally fixed manner to the tensioning wheel 140. Furthermore, a wedge-shaped stop 143 is provided on the frame part 136.
• the fork-shaped arms 136A, 136B each carry two guide rollers 144 and an inductive switch 133 at their ends.
• the mode of operation is as follows:
• the carrier 109 In the starting position, the carrier 109 assumes a position in which it is at a distance from the rail 125, that is to say shifted to the right in accordance with FIG. In this position of the carrier 109, the wedge-shaped stop 143 engages between two rollers 142, with which the pins 124 are positioned exactly in relation to the index bolt 128. If the start command is generated by the central control, the device moves along the floor rails until the inductive buttons 133 each have a recess 126. At this moment the device is stopped and the swivel motor 127 is actuated so that the index pin 128 engages in a recess 126 and thus positions the frame 105 in the longitudinal direction of the rail 125.
• the frame 105 Since the guide rollers 144 are in constant engagement with the rail 125, the frame 105 is also positioned in terms of height relative to the rail 125. This adjustability is given by the displaceability along the rails 104 and the pivotability around the bolt 137.
• the swivel drive 114 is then actuated, which displaces the carrier 109 in the direction of the rail 125 until the pins 124 which face the rail 125 engage in the recesses 126.
• the carrier 109 can now be positioned exactly relative to the ring grooves of the spindles 20.
• the swivel motor 127 pulls in the index pin 128, whereupon the device begins its cleaning work as described in the first exemplary embodiment.
• the pushbuttons 133 exactly detect the recesses 126 and the device is stopped exactly when such recesses are detected. In this way, the index bolt can be dispensed with.
• the frame 105 is connected to the housing 101 via two rubber rotary bearings 145 with a horizontal axis.
• the frame 105 rests on a support surface of the housing on its underside.
• This frame 105 supports the carrier 109 in a horizontally displaceable manner.
• the support for the carrier 109 consists of a slide guide which runs at right angles to the rail 125.
• the swivel motor 114 for displacing the carrier 109 is arranged on the frame 105 and displaces the carrier 109 via a spring 35.
• a further tensioning wheel 146 for the belt 116 is provided in addition to the tensioning wheel 140 for the belt 23, a further tensioning wheel 146 for the belt 116 is provided.
• the wedge-shaped stop 143 is provided on the frame 105.
• the adjusting disk 141 which carries the rollers 142, is connected to the tensioning wheel 140.
• the carrier 109 carries at its left and right ends two guide rollers 144 with horizontal axes of rotation and one guide roller 147 with a vertical axis of rotation. If the carrier 109 is displaced in the direction of the rail 125, then the rollers 144 come to rest on the upper and lower sides and the roller 147 come to rest on the end face of the rail 125.
• the method of operation is as follows: the device moves from its waiting position to the first spindle 20 and is stopped there by the signals of the pushbuttons 133.
• the carrier 109 is in its position facing away from the rail 125, in which the rollers 142 are in engagement with the wedge-shaped stop 143. Since the device is stopped relatively exactly in front of the first spindle, the are. Pins 126, which face the rail 125, each at the level of a recess 126.
• the pivot drive 114 is then actuated, which displaces the carrier 109 in the direction of the rail 125 until the rollers 144, 147 are in engagement with the rail 125 .
• the rubber rotary bearings 145 allow a pivoting movement of the carrier 109 relative to the frame 105 about its horizontal axis of rotation as well as relative movements between the frame and carrier in two axes running perpendicular to the rail axis. So that all the pins 124 come into engagement with the recesses 126 facing them, so that the carrier 109 and thus the heads 117 are exactly aligned with the spindles 20 and the annular grooves 34. The device then moves continuously along the rail 125 as described above. Relative changes in position between the rails 3 and 125 are compensated for by the bearings 145.

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Textile Engineering (AREA)
• Spinning Or Twisting Of Yarns (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=6419392

Family Applications (1)

Country Status (4)

Families Citing this family (3)

Family Cites Families (6)

• 1990
  • 1990-12-01 DE DE19904038387 patent/DE4038387A1/de active Granted
• 1991
  • 1991-11-28 WO PCT/EP1991/002252 patent/WO1992009728A1/de not_active Application Discontinuation
  • 1991-11-28 EP EP19910920321 patent/EP0513282A1/de not_active Ceased
  • 1991-11-28 JP JP3518677A patent/JPH05503742A/ja active Pending

Non-Patent Citations (1)

Also Published As

Similar Documents

Legal Events