EP2031108A1 - Métier à tricoter à mailles cueillies ou à mailles jetées pour la production d'articles de tricot à l'aide d'aiguilles à articulation oscillante correspondantes - Google Patents

Métier à tricoter à mailles cueillies ou à mailles jetées pour la production d'articles de tricot à l'aide d'aiguilles à articulation oscillante correspondantes Download PDF

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Publication number
EP2031108A1
EP2031108A1 EP08013081A EP08013081A EP2031108A1 EP 2031108 A1 EP2031108 A1 EP 2031108A1 EP 08013081 A EP08013081 A EP 08013081A EP 08013081 A EP08013081 A EP 08013081A EP 2031108 A1 EP2031108 A1 EP 2031108A1
Authority
EP
European Patent Office
Prior art keywords
needle
machine according
oscillating member
connecting bracket
needle body
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.)
Withdrawn
Application number
EP08013081A
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German (de)
English (en)
Inventor
Ulrich Hofmann
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.)
HUGO KERN UND LIEBERS GMBH & CO. KG PLATINEN- UND
Original Assignee
Hugo Kern und Liebers & Co KG Platinen- Undfedernfabrik GmbH
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=40121757&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2031108(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Hugo Kern und Liebers & Co KG Platinen- Undfedernfabrik GmbH filed Critical Hugo Kern und Liebers & Co KG Platinen- Undfedernfabrik GmbH
Publication of EP2031108A1 publication Critical patent/EP2031108A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B35/00—Details of, or auxiliary devices incorporated in, knitting machines, not otherwise provided for
    • D04B35/02—Knitting tools or instruments not provided for in group D04B15/00 or D04B27/00
    • D04B35/06—Sliding-tongue needles
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B35/00—Details of, or auxiliary devices incorporated in, knitting machines, not otherwise provided for
    • D04B35/02—Knitting tools or instruments not provided for in group D04B15/00 or D04B27/00

Definitions

  • the latch needle which prevailed dominant for the mass production of knitted fabrics, the prerequisite for this was hardenable steel, which could be produced only in the required quality from the middle of the 19th century.
  • the thread inevitably takes over a control task by the movement of the tongue during the stitching and thereby - apart from patterning effects - only one control foot must be provided on the needle.
  • the latch needle is designed as a ready-to-use functional unit that can easily be used and exchanged by the operator in the machine. With increasing increases in rotational speeds in circular knitting machines and simultaneous multiplication of the knitting systems, however, the described advantage proves to be a weak point for production safety.
  • the object of the invention characterized in claim 1 is to provide a knitting or warp knitting machine in which the advantages of the latch needles technology can be exploited as a functional unit with the advantages of the slide needles. In this case, the disadvantage of an extra controlled complementary element to be used in user-friendly size in the machine to be avoided.
  • a fourth needle category to be referred to as a swinging link needle, in which the long shaft of the slide element is transformed into a mini-link link reciprocating within the needle. This is moved in phases along with the needle on the one hand and controlled on the other hand by the machine, stopped in phases.
  • the longitudinal guide is always more complex than the fulcrum bearing of a component. With conventional design models, this would be here as well: the board should have a leadership approach and be secured with tongue and groove laterally against falling out of the needle shaft smoothly, which limits the fineness of execution in addition to these difficulties in mass production. The smaller the board should be, the more complex it is to find a solution suitable for mass production.
  • the invention simplifies the problematic longitudinal storage with the smallest size in that between the vibrating member and the needle body, a central connecting bracket is provided, which ensures both the relative movement of the oscillating member to the needle body and its lateral guidance, as well as on the sliding surface in the needle , In this way, analogous to the up and zuschwenkenden tongue back and forth in the needle mini-circuit board member realized with the important Difference, not by the thread, but to be controlled by the machine.
  • the precision of the execution does not demand the highest standards, since the accuracy in the machine after insertion of the needle is given in this of the needle channels and the lock system.
  • the connecting bracket corresponds in its function to the axis in a latch needle in order to transform the pivoting movement of the tongue into a rectilinear oscillating movement of the miniature member. Complex operations are eliminated and the assembly to the functional unit can replace the high technology of complex manufacturing and assembly machines with much cheaper device or manual work with the necessary precision.
  • the inventive conception of the vibrating link needle allows machine designs based on latch needles with only one lock track, wherein the relative movement of the vibrating member to the needle as go and stop function by means of two holding balconies acting on a stop tooth on the vibrating member or by braking action in the needle channels on the vibrating member he follows.
  • the previously coordinated second control track is eliminated.
  • a needle movement corresponding self-control of the vibrating member is possible.
  • warp knitting machines in which the complementary parts must be moved in phase at a high speed in a second ingot, this advantage becomes particularly clear.
  • the inventions are basically applicable to all machine variants advantageous. They offer versatile patterning possibilities, especially for the finest pitches and lowest mesh heights with the goal of strong knit fabrics.
  • the development according to claim 4 realizes a different type of braking action on the vibrating member (11).
  • the development according to claim 5 relates to the arrangement of the holding balconies (26) in the knitting system.
  • the development according to claim 6 relates to the formation of the needle body (1).
  • the development according to claim 7 relates to the design of the oscillating member (11), in which a Tren Vietnamesesnut (18) is provided, which in the slot (4) guided front section with the transmission tip (12) of the rear section with stop edge (19) and the fastening gap (15) delimits.
  • the development according to claim 8 describes the attachment of the connecting bracket (8), either with its head in the oscillating member (11) or with its open legs in the needle body (1).
  • connection bracket (8) which receives the fixedly connected to the swing member (11) guide finger (28).
  • the development according to claim (10) relates to the design of the transfer tip (12) and the needle slot (4), which must be coordinated.
  • the development according to claim 11 relates to the yarn transition from the transfer point to the needle hook (2) and the space required by the thread during the Kuliervorgang.
  • the development according to claim 12 is a special design of the guide window (13), which allows a transverse movement of the transmission tip (12) during advancement of the oscillating member (11).
  • the development according to claim 13 is another solution to the transverse movement of the transmission tip (12) during the forward movement of the oscillating member (11).
  • the development according to claim 14 relates to the additional guidance of the oscillating member (11) through the connecting bracket (8) and a non-cutting production of the recesses (7,16) on the oscillating member (11) and the needle body (1).
  • Fig. 1 shows a side view and front view of the swing member 11 of the functional unit vibrating member needle in the first embodiment with the highest rationalization effect and the largest range of applications.
  • the front transfer section is adapted in its sliding area with the transfer tip 12 of the needle slot 4 and is delimited by a Tren Vietnamesesnut 18 with stop edge 19 of the rear section, which is provided with a fastening gap 15 for the head 10 of the connecting bracket 8.
  • the stop edge 19 of the separation groove 18 serves to limit the relative movement of the oscillating song in the needle body 1 to the front.
  • a stop tooth 14 is provided on the oscillating member 11.
  • Fig. 3 Contains the front part of the needle body 1 in a side view of the needle-typical features needle hook 2, 3 needle needle, needle slot 4 and a special feature a deposition with stop edges 5 and 6 behind the short needle breast.
  • the lateral guide recesses 7 are indicated for the open legs 9 of the connecting bracket 8 in the needle shaft.
  • FIG. 4 A representation in side view and top view of the top of the swing member 11 with clamped connection bracket 8 in a pre-assembly, the whole front portion of the swing member is set to the slot width 4.
  • the legs 9 have an outwardly acting spring bend 20, so that upon insertion of the functional unit in the needle channel a braking effect on the swing member 11 is formed, which allows the go and stop function without stop tooth 14.
  • Fig. 5 the oscillating member 11 is introduced with the preassembled connecting bracket 8 obliquely from above with its slightly spread leg ends 9 on the needle shaft and then moved back so that the legs in the guide recesses 7.
  • the simple basic structure and the easy assembly of the functional unit swing link needle is demonstrated.
  • Fig. 6 is shown in side view and top view from above a section through the attachment zone or sliding zone of the guide recesses 7.
  • FIGS. 7 and 8 show in side views the ability to produce the guide grooves 7 on the needle body 1 without cutting by an embossing process.
  • a gap 17 is provided with subsequent breakthrough on the guide width 7 instead of the guide recesses 7, in such a way that the lateral guide recesses 7 are impressed with two counter-acting punches, wherein the gap 17 is reduced by the material displacement, as in Fig. 8 is apparent.
  • Fig. 9 to 13 show schematic representations of stitch formation in a section through the needle channel with additional action of the knitting machine in the forward and backward movement of the functional unit swing link needle.
  • the recorded in the balcony sockets 25 holding balconies 26 allow the go and stop function of the swing member 11, the stop tooth 14 has space in an annular recess 23 in the knitting lock.
  • Z is a section through a needle channel with the oscillating link needle 1 located therein and S denotes the section of one of the rows of stitched knitting systems on the cylinder jacket surface.
  • Fig. 9 the needle 1 is in the inlet zone of the knitting system.
  • the last stitch is held over the needle breast 3 with the transfer point 12 located therein in Austriebswolf, ie the swing member 11 is in the rear position and a new thread is inserted into the needle hook 2.
  • the holding balcony 26 is with its upper edge below and at the beginning in the direction of rotation of the stop tooth 14th
  • Fig. 11 shows a state in which upon further withdrawal of the needle from Figure 10 to fig.11 no holding balcony was present, so that the needle 1 moves together with the frontmost swing member 11 in the Kulier ein. During this process, the old stitch is thrown off the transfer point 12, leaving a new stitch in the now Needle hook 2 hangs. Before the movement reversal forward, the stop tooth 14 is already below the second holding balcony 26 in the knitting system.
  • Fig. 12 shows the state in which in the forward movement of the needle 1 of fig.11 to Figure 12 the oscillating member 11 has been stopped at the bottom of the next balcony 26 by means of its stop tooth 14 and the transfer point 12 has opened the needle hook 2, that is, it returns to the needle breast 3.
  • Fig. 13 shows the final phase, ie the state of Figure 12 to Figure 13 , in which no holding balcony 26 is more available, ie needle 1 and swing member 11 come together in the Austriebswolf. There is no holding balcony 26 between the outlet zone and the inlet zone in the next knitting system. The stop tooth 14 re-enters the next knitting system above its first holding balcony 26.
  • Fig. 15 the inner working parts of the knitting system are shown on a fairly natural scale.
  • the balcony sockets 25 are provided at the same height when the holding balconies 26 are taken off-center as a narrow elastic member in the balcony sockets 25.
  • the control track F for the needle feet is visible.
  • Fig. 16 shows the relationship of the holding balconies 26 to the arrangement of the stop tooth 14 on the vibrating member 11 in a tenfold magnification.
  • the relative movement of the oscillating member 11 to the needle 1 is denoted by a, while the joint movement of the needle 1 with the vibrating member 11 has been determined as b.
  • the width of the stop tooth 14 thus results with b / 2 and the eccentricity of the holding upper edge of the balcony 26 in the balcony frame 25 with b / 4.
  • Fig. 17 shows in a compact design for the finest needle thicknesses in a side view and top view of the swing member 11.
  • the swing member 11 goes over with its rear boundary in a guide finger 28 having lateral deposits 29 in the connection bracket thickness
  • Fig. 18 in the same views the connecting bracket 8, which is clamped in this embodiment instead of the guide recesses 7 fixed in a mounting opening 7 in the needle body 1 Fig. 19 ,
  • the pre-assembly of the connecting bracket 8 in the needle body 1 is carried out according to Fig. 19 ,
  • the swing member 11 in Fig. 20 is, as described earlier, einmontiert in the needle body 1 to the functional unit in this embodiment of the finest needle sizes and pushed into the rearmost position.
  • Fig. 21 is the guide bracket 8 for the guide finger 28 replaced by punctiform, projecting into the opening 7 nests 30 on the outer sides of the needle body 1.
  • a narrow die which presses with its the opening slightly protruding edges on the needle shaft, forms micro-chips to the lower shaft side, which are there by the counter-holding surface to point-shaped mecanicsschart 30.
  • the illustration shows two pairs of pairs on the lower side and in between a pair of pairs on the upper side of the shaft.
  • Fig. 22 shows a section through the pair of nip formed on the left side of the needle. On the right side of the needle you can see the view of the pair of nipples further down the other side.
  • Fig. 23 is shown in side view and front view in 10-fold magnification, as from the upper needle hook diameter to half material was removed to allow for this embodiment as low as possible mesh heights. Due to the lower slot depth, a recess can be provided for the same target on the back of the needle body 1.
  • Fig. 24 shows the second type of functional unit swing link needle in a needle channel, in which the connecting bracket 8 is fixed with its open legs 9 in guide recesses 7 of the needle body 1, wherein the closed ironing head 10 engages leading into a guide window 13 of the vibrating member 11.
  • a magnetic strip 22 is provided in the knitting lock instead of the holding balcony 26 and the stop tooth 14, which acts on a needle channels protruding comb of the vibrating member 11, that allows by braking action of its relative movement to the needle body 1. Due to the additional lateral guidance of the vibrating member 11 in the needle body 1, this design is also used for outside of channels needles, z. B. in warp knitting machines, advantageous.
  • Fig. 26 shows how Fig. 25 an alternative attachment of the connecting bracket 8, in which a leg 9 is shorter than the other angled, so that after inserting the bends in the in a side view according to Fig.27 illustrated breakthrough 7 of the needle body 1, a fixation in the longitudinal direction occurs.
  • the longer breakthrough 7 in Fig. 28 serves to perform the relative movement of the vibrating member 11 to the needle body 1, so that the first described type with fixed head 10 of the connecting bracket 8 in the swing member 11 is possible.
  • Fig. 29 the swing member 11 is shown from the front and rear, between the side view with guide window 13 and, analogous to the needle body, in the rear boundary on both sides mounted guide grooves 16th
  • the guide window 13 is slightly angled in the swing member 11, and the support surface extends parallel to it, such that when advancing the swing member 11 of the connecting bracket 8 slightly raises this front, causing the transfer tip 12 performs a small transverse movement.
  • Fig. 32 (Side views of the functional unit swing member needle) is also a small in the two end positions of the swing member 11 Transverse movement of the transfer tip 12 is provided during the forward movement of the oscillating member 11. In this case, there is an increase in the sliding surface of the oscillating member in the rear position in a latching point 21 of the deposition 5. When advancing the vibrating member 11, the increase from the latching point 21, whereby the transmission tip 12 is slightly raised, the guide window 13 by an angling the tilting movement follows.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Machines (AREA)
EP08013081A 2007-08-23 2008-07-21 Métier à tricoter à mailles cueillies ou à mailles jetées pour la production d'articles de tricot à l'aide d'aiguilles à articulation oscillante correspondantes Withdrawn EP2031108A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007039973.3A DE102007039973C5 (de) 2007-08-23 2007-08-23 Strick- oder Kettenwirkmaschine zur Maschenstoffherstellung mit zugehörigen Schwinggliednadeln

Publications (1)

Publication Number Publication Date
EP2031108A1 true EP2031108A1 (fr) 2009-03-04

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EP08013081A Withdrawn EP2031108A1 (fr) 2007-08-23 2008-07-21 Métier à tricoter à mailles cueillies ou à mailles jetées pour la production d'articles de tricot à l'aide d'aiguilles à articulation oscillante correspondantes

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EP (1) EP2031108A1 (fr)
DE (1) DE102007039973C5 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012021252A (ja) * 2010-06-18 2012-02-02 Shima Seiki Mfg Ltd 横編機の複合針

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3290555A1 (fr) * 2016-09-02 2018-03-07 Ulrich Hofmann Aiguille pour machine à tricoter ou machine à tricoter à chaîne, machine à tricoter ou machine à tricoter à chaîne comprenant plusieures desdites aiguilles, et procédé de production desdites aiguilles

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD93971A (fr)
BE524809A (fr) *
DE2241769A1 (de) 1971-08-28 1973-03-01 Wildt Mellor Bromley Ltd Strickmaschine
DE2245842A1 (de) * 1972-09-19 1974-03-28 Mayer & Cie Maschinenfabrik Zungenlose strickmaschinennadel
DE2245731A1 (de) 1972-09-18 1974-03-28 Mayer & Cie Maschinenfabrik Nadel fuer strick- und wirkmaschinen
EP1333116A1 (fr) 2000-10-20 2003-08-06 Shima Seiki Mfg., Ltd Aiguille composite
EP1416078A1 (fr) * 2002-10-31 2004-05-06 Groz-Beckert KG Elément de formation de maille pour métier a tricoter trame ou chaíne
WO2005017246A2 (fr) 2003-08-02 2005-02-24 Groz-Beckert Kg Machine a tricoter ou metier chaine destine a la formation mecanique de mailles comportant des elements de formation de mailles correspondants
EP1640489A1 (fr) 2003-06-25 2006-03-29 Shima Seiki Manufacturing, Ltd. Aiguille compound

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2705605C3 (de) * 1976-03-05 1981-10-22 Tecnología Industrial, Proyectos y Promociones, S.A., Tippsa, Mataro, Barcelona Schiebernadel für Strickmaschinen
IT1104303B (it) * 1978-12-21 1985-10-21 Conti Gianni Macchina da maglieria con aghisenza paletta cooperanti con elementi ad uncino esterni
JPH0578962A (ja) * 1991-09-17 1993-03-30 Shima Seiki Mfg Ltd 編機用コンパウンドニードル
JPH07197359A (ja) * 1993-12-28 1995-08-01 Etsuzou Sasaki シャトル・コンパウンド・ニードル
US6915667B2 (en) * 2001-08-24 2005-07-12 Shima Seiki Mfg., Ltd. Composite needle of knitting machine

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD93971A (fr)
BE524809A (fr) *
DE2241769A1 (de) 1971-08-28 1973-03-01 Wildt Mellor Bromley Ltd Strickmaschine
DE2245731A1 (de) 1972-09-18 1974-03-28 Mayer & Cie Maschinenfabrik Nadel fuer strick- und wirkmaschinen
DE2245842A1 (de) * 1972-09-19 1974-03-28 Mayer & Cie Maschinenfabrik Zungenlose strickmaschinennadel
EP1333116A1 (fr) 2000-10-20 2003-08-06 Shima Seiki Mfg., Ltd Aiguille composite
EP1416078A1 (fr) * 2002-10-31 2004-05-06 Groz-Beckert KG Elément de formation de maille pour métier a tricoter trame ou chaíne
EP1640489A1 (fr) 2003-06-25 2006-03-29 Shima Seiki Manufacturing, Ltd. Aiguille compound
WO2005017246A2 (fr) 2003-08-02 2005-02-24 Groz-Beckert Kg Machine a tricoter ou metier chaine destine a la formation mecanique de mailles comportant des elements de formation de mailles correspondants

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012021252A (ja) * 2010-06-18 2012-02-02 Shima Seiki Mfg Ltd 横編機の複合針

Also Published As

Publication number Publication date
DE102007039973B3 (de) 2009-01-15
DE102007039973C5 (de) 2017-11-02

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