Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
  • B65H57/00—Guides for filamentary materials; Supports therefor
  • B65H57/22—Guides for filamentary materials; Supports therefor adapted to prevent excessive ballooning of material
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
  • B65H57/00—Guides for filamentary materials; Supports therefor
  • B65H57/24—Guides for filamentary materials; Supports therefor with wear-resistant surfaces
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
  • B65H2601/00—Problem to be solved or advantage achieved
  • B65H2601/30—Facilitating or easing
  • B65H2601/32—Facilitating or easing entities relating to handling machine
  • B65H2601/324—Removability or inter-changeability of machine parts, e.g. for maintenance
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
  • B65H2701/00—Handled material; Storage means
  • B65H2701/30—Handled filamentary material
  • B65H2701/31—Textiles threads or artificial strands of filaments

Definitions

• the invention relates to a winding unit of a cross-wound textile machine according to the preamble of claim 1.
• Such, also referred to as thread withdrawal accelerator device is described for example in DE 44 18 312 Al.
• This known Fadenabzugsbevanter has a guide surface for the thread, which has the shape of a truncated cone, wherein the large diameter faces the spinning cop.
• the truncated cone shell is penetrated by a truncated pyramid shell so that the edges of the truncated pyramid shell pierce the truncated cone shell and thereby form notches.
• each of these Abspullosesvortechnischen consists of three telescoped tubular thread guide elements.
• a lower, lowered over the Spinnkops guide element is guided vertically adjustable on a central yarn guide tube, which in turn is fixed by a clamping means to another tubular member which is stationary on a mounting plate of the winding unit.
• the first tubular thread guide element which is cone-shaped in the region of its lower edge, is defined during the ümspulvorgangs means of an associated drive so lowered over the Spinnkops that the cone is always positioned in the region of the so-called Kopskegels the spinning cop.
• the middle thread guide tube which is fixed by a clamping device on the upper tubular member, remains during Umspulvorganges in its tuned, for example, at the beginning of a new batch to the respective length of the spinning cops to be machined installation position and has on the input side a bottleneck.
• the thread guide elements Since the bottlenecks of the above-described thread guiding elements are constantly in contact with the running thread during the rewinding process due to the rotating yarn balloon, these areas are exposed to high wear. That is, the thread guide elements must be constantly checked for wear, especially in the area of their bottlenecks and replaced if necessary, the thread guide elements.
• the invention has the object to improve such winding units to the effect that on the one hand high winding speeds can be realized, but on the other hand wear parts are easily and inexpensively replaceable.
• inventive design of the winding unit has the particular advantage that not only the possibility is given by the use of a thread guide device with a replaceable thread guide insert to operate the winding unit with high winding speed, but that, if necessary, there is the possibility that the strongest during the winding operation claimed component of this yarn guide device to renew easily.
• the thread guide insert is fixed by means of a magnetic holder non-positively and easily detachable on the thread guide device.
• Such a magnetic holder which, as described in claim 3, preferably ferromagnetic projections and arranged in receiving bores permanent magnets, allows a quick change of the thread guide insert, without the use of a tool is necessary.
• the thread guide insert is in a preferred embodiment, at least partially made of a highly wear-resistant material, preferably made of a technical ceramic material. That is, the thread guide insert consists of a base body, for example, the cost-effective in printing or. Injection molding is made of a metal or a plastic and are arranged on the ferromagnetic extensions for the magnet holder and a highly wear-resistant yarn inlet part.
• This yarn inlet part which, as already mentioned above, preferably from one of a technical ceramic material is made, it is insoluble, for example, by gluing, attached to the base body.
• Such a constructed thread guide insert can not only be produced relatively inexpensively but is also characterized by a long service life.
• the thread guide insert has a clear width corresponding to the clear width of the tubular thread guide device.
• the yarn inlet region of the yarn guide insert is preferably funnel-shaped, wherein the inlet surface of the yarn guide insert, viewed in longitudinal section, either rectilinear (Anspr. 8) runs or convexly curved (Anspr. 9) is formed.
• the thread on the one hand at the beginning of the winding process can be easily blown up or sucked through the eye-like opening and that on the other hand, the rotating thread during the winding process, when it rotates in the opening, is not damaged.
• the convexly curved inlet surface of the yarn guide insert additionally notches.
• Fig.l in side view a winding unit of a cheese-producing textile machine with a
• 5 shows a third embodiment of an end arranged on the thread guide device thread guide insert
• 6 shows a fourth embodiment of a end arranged on the thread guide device thread guide insert
• FIG. 9 is a view of the thread guide device from below, arranged in receiving bores with permanent magnets,
• FIG. 10 shows a further embodiment of a thread guide insert with ferromagnetic extensions
• FIG. 11 is a view of the thread guide insert, according to arrow F of Fig. 8,
• FIG. 12 is a view of the thread guide insert, according to arrow F of Fig. 7,
• Figure 1 is a side view schematically a cross-wound producing textile machine, in the embodiment, a so-called cross-winding machine 1, is shown.
• Such spooling machines 1 have between their (not shown) Endgestellen a plurality of similar work or winding units 2.
• the finished cheeses 11 are then transferred by means of an automatically operating service unit, such as a cheese changer, on a machine-spooled cross-bobbin transport device 21 and transported to a machine end side (not shown) Spulenverladestation or the like.
• an automatically operating service unit such as a cheese changer
• Such automatic packages 1 either have, as indicated in Fig. 1, a logistics device in the form of a bobbin and sleeve transport system 3 or in the area of numerous jobs 2 each a work-station own coil magazine, preferably a so-called round magazine arranged.
• the supplied spinning cops 9 are thereby initially positioned and rewound in a unwinding position 10, which is located in the region of the transverse transport sections 6 at the winding stations 2.
• the individual winding units 2 have for this purpose, as is known and therefore only indicated, on various thread treatment and thread handling devices that not only ensure that the spinning cops 9 too bulky Reverse spools 11 can be rewound, but also ensure that the thread during the rewinding monitored and detected thread defects can be cleaned.
• winding device 24 which has a coil frame 18 which is movably mounted about a pivot axis 19, a coil drive means 26 and a Fadenchangier affection 28.
• the cheese 11 is located during the winding process, for example, with its surface on a single-motor actuated drive drum 26 and is driven by this frictional engagement.
• such winding units 2 generally also each have a thread connecting device 13, preferably a pneumatically operated splicing device, a suction tube 12 which can be subjected to negative pressure and a gripper tube 25 which can also be acted upon under pressure.
• the suction tube 12 and the gripper tube 25 are connected to a machine's own vacuum crossbar 32, which in turn is in communication with a vacuum source 33.
• Such jobs 2 usually also have a lower thread sensor 22, a thread tensioner 14, a Thread cleaner 15 with thread cutting device 17, a yarn tension force sensor 20 and a paraffining device 16. Furthermore, the workstations 2 are equipped with a Abspulosvorraum 23, which serves both for the pneumatic transfer of a spin on the Spinnkops 9 ünterfadens to a vacuum-loaded gripper tube 25, as well as during the winding process ensures that the thread balloon, the thread running from the Spinnkops 9 arises in the sense of lowering the thread tension is positively influenced.
• This Abspuluses tone 23 consists, as indicated in Fig. 2 in perspective view, essentially of a vertically slidably mounted balloon limiter 27, a tubular thread guide device 36 and an adapter 40. That is, the balloon limiter 27 is defined by a drive 30 in the vertical direction R adjustable so that the balloon limiter 27 can be moved downward during the winding process, the Abspulfort Kunststoff the spinning cop 9 following.
• the lower edge 50 of the element 27 is positioned approximately at the level of the Kopskegels 51 of the spinning cop 9.
• the thread guide device 36 is preferably formed in several parts.
• the thread guide device 36 consists of a fixed to a stationary adapter 40 top tube 37 and a relative to the top tube 37 slidably mounted, adjustable in height installation down tube 38.
• the down tube 38 is always set at such a height on the top tube 37, that a thread guide insert 39 arranged on the down tube 38 of the thread guiding device 36 is arranged just above the tube tip of a spinning cop 9 positioned in the unwinding station 10.
• this thread guiding insert 39 whose individual embodiments are shown in detail in FIGS. 3 to 12, is arranged so as to be easily replaceable on the down tube 38 of the thread guiding device 36.
• the inlet region 45 of the yarn guide insert 39 is funnel-shaped.
• the inlet surface 46 is either, as shown in Figures 3, 5 and 7, viewed in longitudinal section, rectilinear or the inlet surface 46 is, as shown in Figures 4, 6, 8 and 13 and 14, convex.
• the clear width d of the thread guide insert 39 corresponds to the clear width D of the down tube 38 of the thread guide device 36.
• FIGS. 5-8 show thread guide inserts 39 with an eyelet-like end point 47.
• the clear width d is significantly smaller than the clear width D of the yarn guide device 36th
• the thread guide insert 39 is, for example, as shown in Figures 3-6, made directly from a wear-resistant material, preferably steel, and then has on its the inlet side 45 opposite rear ferromagnetic projections 35 which with permanent magnets 42 which in receiving holes 41 in the thread guide device 36 are fixed, correspond. That is, the ferromagnetic projections 35 on the thread guide insert 39 form a magnet holder 31 with the permanent magnets 42 formed on the thread guide device 36.
• the thread guide insert 39 consists of a base body 43 and a thread inlet part 44 which is permanently fixed to the base body 43.
• the base body 43 is formed for example as a spray or diecast part and consists for example of aluminum or a plastic, while the thread inlet part 44 is made of a highly wear-resistant material, for example, a technical ceramic material.
• the eyelet-like opening 47 in the yarn guide insert 39 can have both a circular and a polygonal shape.
• notches or the like which influence the thread during its rotation can be provided in the region of the inlet surface 46.

Landscapes

• Spinning Or Twisting Of Yarns (AREA)
• Looms (AREA)
• Guides For Winding Or Rewinding, Or Guides For Filamentary Materials (AREA)

Priority Applications (4)

Applications Claiming Priority (2)

Publications (1)

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ID=37025006

Family Applications (1)

Country Status (5)

Cited By (1)

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Citations (3)

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• 2005
  • 2005-08-04 DE DE200510036704 patent/DE102005036704A1/de not_active Withdrawn
• 2006
  • 2006-06-28 DE DE502006002759T patent/DE502006002759D1/de active Active
  • 2006-06-28 EP EP06762225A patent/EP1917204B1/de not_active Ceased
  • 2006-06-28 JP JP2008524375A patent/JP2009502692A/ja active Pending
  • 2006-06-28 WO PCT/EP2006/006227 patent/WO2007014603A1/de active Application Filing
  • 2006-06-28 CN CN2006800275154A patent/CN101233062B/zh not_active Expired - Fee Related

Patent Citations (3)

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