EP0659915A1 - Dispositif de va-et-vient pour peigne d'ourdissoir - Google Patents

Dispositif de va-et-vient pour peigne d'ourdissoir Download PDF

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Publication number
EP0659915A1
EP0659915A1 EP94118460A EP94118460A EP0659915A1 EP 0659915 A1 EP0659915 A1 EP 0659915A1 EP 94118460 A EP94118460 A EP 94118460A EP 94118460 A EP94118460 A EP 94118460A EP 0659915 A1 EP0659915 A1 EP 0659915A1
Authority
EP
European Patent Office
Prior art keywords
comb
electric motor
carrier
lever
comb carrier
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP94118460A
Other languages
German (de)
English (en)
Other versions
EP0659915B1 (fr
Inventor
Günter Alder
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sucker Mueller Hacoba GmbH and Co
Original Assignee
Hacoba Textilmaschinen GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hacoba Textilmaschinen GmbH and Co KG filed Critical Hacoba Textilmaschinen GmbH and Co KG
Publication of EP0659915A1 publication Critical patent/EP0659915A1/fr
Application granted granted Critical
Publication of EP0659915B1 publication Critical patent/EP0659915B1/fr
Anticipated expiration legal-status Critical
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Classifications

    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02H—WARPING, BEAMING OR LEASING
    • D02H13/00—Details of machines of the preceding groups
    • D02H13/16—Reeds, combs, or other devices for determining the spacing of threads

Definitions

  • the invention relates to a device for combing winding machines, in particular paper machines, with a horizontally and vertically oscillating comb carrier which is adjustable in the longitudinal direction, in particular by an electric motor with a drive linkage which allows the extent of the traversing to be adjusted, and which with one vertically moving drive device is coupled.
  • Combs of carding machines consist of comb pins arranged side by side in comb-like manner, between which the threads of a thread group are fed to the carding tree in an orderly manner. Since the threads of the family of threads to be wound up maintain a substantially constant position during winding, their contact with the comb pins leads to the comb pins being cut and ultimately cut off. In order to avoid this, it is known to use a height adjustment in which the comb pins are moved up and down in an oscillating manner. This prevents the threads from cutting into the comb pins and extends the life of the combs considerably.
  • the invention has for its object to improve a device with the features mentioned so that it manages on the one hand with only one electric motor for both traverses, but on the other hand allows decoupling of the two traverses in such a way that, for example, the height change can be carried out if the side shifting should be zero.
  • the device is expediently designed with regard to its drive linkage which causes the lateral oscillation so that the drive linkage serving for the longitudinal adjustment of the comb carrier engages with a lever arm end in a groove drum driven by the electric motor, and that the other lever arm end is rigidly coupled to a link and is articulated with the comb carrier Connection is established.
  • the grooved drum allows the lever to be pivoted in such a way that the winding of the thread sheet at the point of reversal of the side-to-side movements can be influenced.
  • the groove shape it is possible to keep the dwell time of the threads small in one and the same circumferential area of the winding, so that the threads adjacent to a side window cannot accumulate there. A deviation from the desired cylindrical winding structure is avoided.
  • the device can be designed so that a roller bearing with its outer ring between two crossbars of the comb carrier and with its axis is held adjustable in the link slot for the articulated connection of the comb carrier with the backdrop. There is a low-friction force input in the area of the articulation point between the comb carrier and the link. At the same time, this training opens up the possibility of adjusting the roller bearing in the link slot in order to change the extent of the side switching.
  • the device is designed such that the electric motor drives at least one swivel lever of the drive device that moves the comb carrier up and down by means of a rotary converter.
  • the swiveling lever that moves up and down, so that the comb carrier is raised and lowered accordingly moved, is driven by the electric motor by means of a rotary converter, which thus causes the oscillating movements of the pivot lever.
  • conventional gearbox constructions are considered as rotation converters, which convert rotational or rotational movements into swivel movements.
  • the device is designed such that the swivel lever forms the axis of a roller bearing at one end, the outer ring of which can be rolled in the longitudinal direction on the underside of the comb carrier is.
  • the roller bearing can roll on the underside of the comb carrier in the case of a side shift, even if the latter moves due to its horizontal action relative to the drive device effecting the vertical shift. The resulting frictional resistances are negligible.
  • the comb carrier is correspondingly long because of the considerable length of a slip tree, so that it is advantageous to design the device in such a way that several pivot levers are attached coaxially to a torsion tube which can be twisted with a torsion lever acted upon by the electric motor.
  • the torsion tube enables the adjustment movements or adjustment forces generated by the electric motor to be transmitted to a multiplicity of swivel levers which jointly drive the comb carrier in such a way that it is more easily kept horizontal when changing the height.
  • a structurally simple conversion of the rotary drive torques of the electric motor into oscillating pivoting movements is achieved by designing the device in which the end of the torsion lever facing away from the torsion tube can be acted upon by a flexible member, one end of which is fixed in place and which is supported by an eccentric disk of the electric motor Rest position is adjustable against the restoring force of the torsion tube.
  • the eccentric disc is arranged so that it presses on the flexible member to different degrees and this correspondingly more or less rotates the torsion lever with which the torsion tube is applied.
  • the size of the height change can be in easily determined by the eccentricity and the disk diameter.
  • the device for combing is used to drive a comb carrier 10, which has been shown schematically in the figures as a comb box, on which there are a plurality of combs 35 in the longitudinal direction in a predetermined arrangement, which threads 36 are to be arranged in an orderly fashion, not shown, in the slip tree desired parallel position. So that the threads 36 do not cut laterally into the individual comb pins 35 ', the comb carrier 10 is moved up and down in a vertically oscillating manner. In addition, the comb carrier 10 is moved in its longitudinal direction in order to be able to laterally change the thread sheet for the desired winding structure.
  • a drive linkage 12 is provided for the side shifting and the height shifting is effected by means of a drive device 13.
  • Both drive branches 12, 13 are described below. What is special is their training in that they can be acted upon by a single electric motor, the drive linkage 12 being to be adjusted without impairing the drive device 13 or vice versa in such a way that the lateral shifting can be reduced to zero.
  • the electric motor 11 drives a coaxially arranged grooved drum 15 which has a circumferential groove 37 into which the end 14 of a lever 38 engages, the other end 16 of which is firmly connected to an axis 39 vertical to the lever 38.
  • the axis 39 is pivotable in a bearing sleeve 40, which is shown in a manner not shown by a part of a machine frame is held.
  • a link 17 is rigidly connected to the axis 39. As a result, the link 17 pivots about the axis 39 when the lever 38 is moved back and forth by the grooved drum 15. With a customary dimensioning, the link 17 moves in the directions of the double arrow 41, for example by +/- 12 mm.
  • the pivoting movement is controlled by the shape of the groove 37, which is designed, for example, in such a way that the lever 38 only remains in its reversed positions for a very short time, with the result that the link 17 is correspondingly quickly moved out of its extreme pivoting positions.
  • the comb carrier 10 to which the link 17 is coupled is also moved correspondingly quickly.
  • the coupling takes place with a roller bearing 18, the outer ring 19 of which is arranged according to FIG. 3 between two crosspieces 20 of the comb carrier 10.
  • the axis of the roller bearing 18 is connected in a manner not shown with a link piece 42 which can be adjusted in the link 17 in the directions of the link slot 21 that the roller bearing 18 can take the extreme position shown in Figure 1 as well as the other Extreme position at the other end of the slotted slot 21.
  • the sliding block 42 is adjusted with the aid of an adjusting rod 43 which is connected via a joint 44 to a threaded section 45 of the sliding block 42.
  • the adjusting rod 43 is longitudinally adjustable in a bearing bush 46 by screwing the threaded portion, the bearing bush 46 being fixed to a part of the machine frame (not shown) in such a way that it can be pivoted with the pivoting movements of the adjusting rod 43.
  • the pivot adjustment is effected by the oscillating link piece 17.
  • the required length compensation between the adjusting rod 43 and the lever 38 is carried out by longitudinally displacing the roller bearing 18 within the link slot 21.
  • a rotary adjustment of the adjusting rod 43 with the grip wheel 47 has the effect that the roller bearing 18 can be moved within the slot 21 of the link 17.
  • 1 shows the position in which the link 17 is pivoted back and forth with the lever 38 in such a way that the comb carrier 10 practically does not oscillate in its longitudinal direction, because the center of the roller bearing 18 lies exactly over it the center of the axis of rotation 39. If, on the other hand, the link piece 42 is pulled to the left with the aid of the adjusting rod 43 so that the roller bearing 18 comes into the position indicated by dotting in FIG. 2, it is acted upon by the link 17 in accordance with its lifting movements and the comb carrier 18 executes corresponding oscillating movements.
  • the drive device 13 which moves the comb carrier 10 vertically, has a plurality of pivoting levers 23 which move up and down vertically to the plane of FIG. 1, only one of which is shown in this figure. With its one end 24, this pivot lever 23 forms the axis 25 of a roller bearing 26, the outer ring 27 of which is supported on the underside 28 of the comb carrier 10. This is shown in Figure 3, in which the support is provided via a spacer 48 for height compensation between the circumference of the roller bearing 26 and the box bottom 49. It can be seen that the comb carrier 10 can move in its longitudinal directions largely without friction on the end of the pivot lever 23 when it is adjusted with the drive linkage 12 which engages the crosspieces 20.
  • the oscillating up and down movement of the pivot lever 23 is generated with a torsion tube 29 which is held in a bearing bush 50 of a frame part 51.
  • a torsion lever 30 or a clamping piece which is connected to the torsion tube 29 in a rotationally fixed manner.
  • the end 31 of the torsion lever 30 facing away from the torsion tube 29 is the articulation point of one end 52 of a flexible member 32, the other end 33 of which is fixed in place on a frame part 53.
  • This flexible link 32 is, for example, a roller chain.
  • the individual rollers of the chain rest on the outer disk circumference of an eccentric disk 34 which is driven in rotation by the electric motor 11.
  • the outer circumference of the eccentric disk 34 rolls on the rollers of the flexible member 32, so that only very little frictional wear has to be accepted.
  • the length of the flexible member 32 is dimensioned such that the torsion lever 30 and thus the drive device 13 has a rest position when the eccentric disc 34 in Contrary to the representation of Figure 2 is arranged above, that is, the eccentric of the eccentric 34 is above the axis of rotation of the electric motor 11. If the eccentric disc 34 is rotated from this position, it presses the flexible member 32 increasingly downward, so that the torsion lever 30 is rotated clockwise around the axis of the torsion tube 29 in FIG. Accordingly, the torsion tube 29 is adjusted and the pivot lever 23 is pivoted upward.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
  • Replacement Of Web Rolls (AREA)
  • Warping, Beaming, Or Leasing (AREA)
EP94118460A 1993-12-23 1994-11-24 Dispositif de va-et-vient pour peigne d'ourdissoir Expired - Lifetime EP0659915B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9319825U DE9319825U1 (de) 1993-12-23 1993-12-23 Vorrichtung zur Kammchangierung von Wickelmaschinen
DE9319825U 1993-12-23

Publications (2)

Publication Number Publication Date
EP0659915A1 true EP0659915A1 (fr) 1995-06-28
EP0659915B1 EP0659915B1 (fr) 1998-07-08

Family

ID=6902448

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94118460A Expired - Lifetime EP0659915B1 (fr) 1993-12-23 1994-11-24 Dispositif de va-et-vient pour peigne d'ourdissoir

Country Status (3)

Country Link
EP (1) EP0659915B1 (fr)
DE (2) DE9319825U1 (fr)
ES (1) ES2118300T3 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1104919B (de) * 1956-06-23 1961-04-20 Sucker G M B H Geb Baeumeinrichtung, insbesondere fuer Schlichtmaschinen
DE1585184B1 (de) * 1963-11-09 1970-03-26 Mayer Textilmaschf Verfahren zum Schaeren von Musterkettbaeumen und Schaermaschine zur Durchfuehrung des Verfahrens
DE2157692A1 (de) * 1971-11-20 1973-05-24 Schlafhorst & Co W Vorrichtung zum changieren der teileinrichtung einer wickelvorrichtung
FR2424346A1 (fr) * 1978-04-25 1979-11-23 Sucker Geb Peigne d'ourdissoir

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1104919B (de) * 1956-06-23 1961-04-20 Sucker G M B H Geb Baeumeinrichtung, insbesondere fuer Schlichtmaschinen
DE1585184B1 (de) * 1963-11-09 1970-03-26 Mayer Textilmaschf Verfahren zum Schaeren von Musterkettbaeumen und Schaermaschine zur Durchfuehrung des Verfahrens
DE2157692A1 (de) * 1971-11-20 1973-05-24 Schlafhorst & Co W Vorrichtung zum changieren der teileinrichtung einer wickelvorrichtung
FR2424346A1 (fr) * 1978-04-25 1979-11-23 Sucker Geb Peigne d'ourdissoir

Also Published As

Publication number Publication date
DE9319825U1 (de) 1995-04-20
DE59406413D1 (de) 1998-08-13
EP0659915B1 (fr) 1998-07-08
ES2118300T3 (es) 1998-09-16

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