EP3615722B1 - Came de platines pour métiers à tricoter circulaires - Google Patents

Came de platines pour métiers à tricoter circulaires Download PDF

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Publication number
EP3615722B1
EP3615722B1 EP18715682.3A EP18715682A EP3615722B1 EP 3615722 B1 EP3615722 B1 EP 3615722B1 EP 18715682 A EP18715682 A EP 18715682A EP 3615722 B1 EP3615722 B1 EP 3615722B1
Authority
EP
European Patent Office
Prior art keywords
lock
sinker
carrier
movement
lock part
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.)
Active
Application number
EP18715682.3A
Other languages
German (de)
English (en)
Other versions
EP3615722A1 (fr
Inventor
Dietmar Traenkle
Zoran RAIC
Marcel WOHLLEB
Bernd Boss
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.)
Sipra Patententwicklungs und Beteiligungs GmbH
Original Assignee
Sipra Patententwicklungs und Beteiligungs GmbH
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Publication date
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Publication of EP3615722A1 publication Critical patent/EP3615722A1/fr
Application granted granted Critical
Publication of EP3615722B1 publication Critical patent/EP3615722B1/fr
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Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
    • D04B15/32—Cam systems or assemblies for operating knitting instruments
    • D04B15/322—Cam systems or assemblies for operating knitting instruments in circular knitting machines with needle cylinder and dial
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
    • D04B15/06—Sinkers
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
    • D04B15/32—Cam systems or assemblies for operating knitting instruments
    • D04B15/34—Cam systems or assemblies for operating knitting instruments for dials

Definitions

  • the invention relates to a sinker lock for circular knitting machines, in particular for single jersey machines, with at least one lock part arranged on a lock carrier for controlling the expulsion and retraction movements of sinkers, the lock part being adjustable with respect to the lock carrier in the direction of movement of the sinkers.
  • sinker locks known and often in use in which the sinker lock parts are firmly mounted on the lock carrier.
  • these locks are not suitable for machines of high fineness from E44, since the lock parts are not adjustable, but with high fineness an adjustment of the lock parts is necessary to compensate for manufacturing tolerances.
  • sinker lock segments that are firmly screwed to the sinker lock carrier and that have an adjustment part for the sinker lock part have therefore been used so far.
  • the sinker lock parts are arranged to be longitudinally displaceable on the underside of the sinker lock segments.
  • the sinker lock segments protrude relatively far beyond the sinker lock carrier and the sinker lock parts, so that the view of the sinkers and the cylinder needles of the machine is obstructed. In addition, the cylinder needles are difficult to access.
  • Another disadvantage of the known sinker locks is that thread fluff can only be insufficiently blown off the knitting point. The fluff tends to collect in a hollow between the sinker and the sinker segment.
  • the EP 1 559 820 A1 describes an adjustment device for lock parts, the adjustment device being arranged in the lock carrier and allowing a longitudinal adjustment of the lock part via a separate adjustment element engaging the underside of the lock part.
  • this adjustment device requires specially designed lock carriers with a recess for the adjustment elements.
  • the object of the invention is therefore to provide a sinker lock which has adjustable sinker lock parts and which avoids the disadvantages described above.
  • a sinker lock for circular knitting machines, in particular for single jersey machines, with at least one lock part arranged on a lock carrier for controlling the expulsion and retraction movements of sinkers, the lock part being adjustable with respect to the lock carrier in the direction of movement of the sinkers and that
  • the lock part is arranged directly on the lock carrier and an adjustment part integrated into the lock part is provided, with which the lock part can be adjusted relative to the lock carrier.
  • the sinker lock according to the invention dispenses with sinker lock segments. Instead, the lock part is arranged so that it can be moved directly on the sinker lock carrier. The overall height of the lock is thus significantly lower than that of plate locks with lock segments. The view of the knitting point with the sinkers and needles is not obstructed. In addition, the knitting point can easily be cleaned of thread fluff, which also settles to a lesser extent on the sinker lock parts than with known locks. The required adjustability of the lock parts is retained in full.
  • the sinker lock according to the invention also allows adjustment of the sinker lock parts if this is required by certain patterns to be knitted. In order to adapt to different patterns, the lock part can also be designed in two parts, ie it can have an exchangeable section. In the case of a pattern change, it is not then necessary to replace all of the lock parts, but rather only the exchangeable sections, which results in a significant saving in material.
  • the lock part rests on the lock carrier under spring tension and can be adjusted by the adjustment part relative to the lock carrier by overcoming the friction between the lock carrier surface and the underside of the lock part.
  • the spring preload prevents unintentional displacement of the lock part on the lock carrier without hindering the adjustability of the lock part via the adjustment part.
  • the lock part can preferably be fastened to the lock carrier by means of at least one screw with a plate spring, the screw being guided through an elongated hole or a hole with a larger diameter than the screw shaft in the lock part.
  • the elongated hole enables the lock part to be displaced through the adjustment part.
  • the screw can also be screwed into the lock carrier at an angle in the adjustment direction of the lock part.
  • the installation of the adjustment part in the lock part offers the advantage that the lock parts can be used in all machines, regardless of their structure and fineness.
  • the adjustment part can have a rotatable adjusting head which is connected to a pin which engages in a spiral groove in the adjustment part or in the lock carrier.
  • the adjustment part thus corresponds to the cam adjustment part that is already used in known locks.
  • the adjusting head can be turned by a socket wrench and thereby move the sinker lock part.
  • a disk or ring provided with a scale can be arranged on the adjusting head in a manner known per se in order to facilitate the adjustment of the lock part position.
  • the adjustment part can, however, also be arranged on an end face of the lock part, the lock part being adjustable via a toothed wheel, a toothed rack or a worm gear.
  • guides can be provided which prevent a movement of the lock part perpendicular to the longitudinal direction of movement of the plates.
  • Cylindrical pins or feather keys engaging in longitudinal grooves are possible guides, for example, the cylinder pins or feather keys preferably being arranged on the lock part.
  • the use of feather keys has the advantage that they lie flat and not just linearly in the grooves.
  • recesses for receiving and guiding the lock parts can also be provided in the lock carrier.
  • the lock carrier can be ring-shaped or ring-segment-shaped and the at least one lock part can be adjusted in the radial direction with respect to the lock carrier.
  • Such a design of the sinker lock is common in circular knitting machines in which the sinkers are moved perpendicular to the needles.
  • the invention ie the direct arrangement of the lock parts on the lock carrier, dispensing with sinker lock segments while maintaining the adjustability of the lock parts, can, however, also be transferred to other sinker locks. A vertical alignment of the blanks with respect to the needles of the machine is also not necessary.
  • the circuit board lock according to the invention can also be used in machines where the sinkers are arranged at a different angle or parallel to the needles.
  • the invention also relates to a circular knitting machine with a sinker lock according to the invention.
  • the machine can preferably be a single jersey machine and / or have a fineness of at least 28 needles / inch (2.54 cm). Machines with a very high fineness of at least 44 needles / inch (2.54 cm) with a sinker lock according to the invention are particularly advantageous.
  • the sinker lock 100 shown according to the prior art has an annular lock carrier 101, on the upper side of which a multiplicity of sinker lock segments 102 are arranged, of which in FIG Fig. 1 three are shown as examples.
  • the sinker lock segments 102 are firmly screwed to the lock carrier 101.
  • each sinker lock parts 103 with control cams for sinkers 105 are arranged, the sinker lock parts 103 being arranged on the lock segments 102 so as to be displaceable in the radial direction with respect to the lock carrier 101 for fine adjustment.
  • adjustment parts 104 are provided in the lock segments, which are accessible on the upper side of the lock segments 102. Since the lock segments have a relatively large overall height, the view of the sinkers 105 and the cylinder needles is severely restricted. In addition, fluff can collect between the sinkers 105 and the lock segments 102.
  • a section of a sinker lock 10 according to the invention is shown.
  • lock segments were dispensed with and instead the plate lock parts 3 were mounted directly on the ring-shaped lock carrier 1.
  • the sinker lock parts 3 are each pressed against the top of the lock carrier 1 by a screw 6 with a plate spring 7.
  • the screw 6 is through one out Fig. 3
  • an adjustment part 4 is provided in the sinker lock part 3. During the sliding movement, the lock parts are guided laterally by guides 9.
  • the adjustment part 4 has an adjusting head 4.1 with an opening 4.2 for receiving a socket wrench (not shown).
  • a ring 4.3 provided with a scale is provided on the outer circumference of the adjusting head 4.1 in order to be able to better control the adjustment of the lock part 3.
  • the adjusting head 4.1 interacts with a cylindrical pin 4.4 which is guided in a spiral groove 4.5 in the adjustment part 4.
  • the lateral guides 9 are formed by cylinder pins 9.1 which are guided in longitudinal grooves 9.2 in the lock carrier 1.
  • Fig. 4 shows a two-part lock part 3 ', which consists of a first part 3.1' provided with an adjustment part 4 'according to the invention and a second, exchangeable part 3.2'.
  • the figure shows the two parts 3.1 'and 3.2' in the separated state.
  • the parts 3.1 ', 3.2' can be connected to one another as well as to a lock carrier, not shown here, by means of a screw.
  • a fine adjustment of the lock part 3' can be made, for example to compensate for manufacturing tolerances.
  • the exchangeable part 3.2' of the lock part 3 ' can be exchanged for another.
  • the part 3.1 'with the adjustment part 4' remains on the lock carrier.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Machines (AREA)

Claims (11)

  1. Came de platines destinée à des métiers à tricoter circulaires, en particulier à des machines à simple jersey, comportant au moins un élément de came (3) disposé sur un porte-came (1) et permettant de commander les mouvements d'expulsion et de rétraction des platines (105), l'élément de came (3) étant réglable, par rapport au porte-came (1), dans les directions de déplacement des platines (105),
    l'élément de came (3) étant disposé directement sur le porte-came (1) et étant caractérisé en ce qu'un élément de réglage (4) intégré dans l'élément de came (3) est prévu, au moyen duquel l'élément de came (3) est réglable par rapport au porte-came (1).
  2. Came de platines selon la revendication 1, caractérisée en ce que l'élément de came (3) repose sur le porte-came (1) sous tension de ressort et peut être réglé par l'élément de réglage (4) par rapport au porte-came (1) en surmontant le frottement entre la surface supérieure de porte-came et la surface inférieure d'élément de came.
  3. Came de platines selon la revendication 2, caractérisée en ce que l'élément de came (3) est fixé au porte-came (1) avec un ressort à disques (7) au moyen d'au moins une vis (6), la vis (6) étant guidée dans l'élément de came (3), à travers un trou allongé ou un trou (8) de diamètre plus grand que l'arbre de vis.
  4. Came de platines selon la revendication 3, caractérisée en ce que la vis (6) est vissée dans le porte-came (1) de façon inclinée dans le sens de la trajectoire de réglage de l'élément de came (3).
  5. Came de platines selon l'une des revendications précédentes, caractérisée en ce que l'élément de réglage (4) présente une tête de réglage rotative (4.1) qui est reliée à une goupille (4.4), laquelle est insérée dans une rainure en spirale (4.5) dans l'élément de réglage (4) ou dans le porte-came (1).
  6. Came de platines selon l'une des revendications 1 à 4, caractérisée en ce que l'élément de réglage (4) est disposé dans une face frontale de l'élément de came (3), l'élément de came étant coulissant par rapport au porte-came au moyen d'une roue dentée, d'une crémaillère ou d'un engrenage à vis sans fin.
  7. Came de platines selon l'une des revendications précédentes, caractérisée en ce que des guides (9) sont prévus pour empêcher l'élément de came (3) de se déplacer perpendiculairement à la direction de déplacement longitudinale des platines (105).
  8. Came de platines selon la revendication 7, caractérisée en ce que les guides (9) sont formés par des goupilles cylindriques (9.1) ou des ressorts d'ajustage venant en prise dans des rainures longitudinales (9.2).
  9. Came de platines selon l'une des revendications précédentes, caractérisée en ce que le porte-came (1) est en forme d'anneau ou de segment annulaire et l'au moins un élément de came (3) est réglable dans la direction radiale du porte-came (1).
  10. Métier à tricoter circulaire comportant une came de platines selon l'une des revendications 1 à 9.
  11. Métier à tricoter circulaire selon la revendication 10, caractérisé en ce qu'il présente un nombre de mailles par pouce d'au moins 28 aiguilles/pouce (2,54 cm).
EP18715682.3A 2017-04-24 2018-04-04 Came de platines pour métiers à tricoter circulaires Active EP3615722B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017108676.5A DE102017108676A1 (de) 2017-04-24 2017-04-24 Platinenschloss für Rundstrickmaschinen
PCT/EP2018/058554 WO2018197166A1 (fr) 2017-04-24 2018-04-04 Came de platines pour métiers à tricoter circulaires

Publications (2)

Publication Number Publication Date
EP3615722A1 EP3615722A1 (fr) 2020-03-04
EP3615722B1 true EP3615722B1 (fr) 2021-08-11

Family

ID=61899294

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18715682.3A Active EP3615722B1 (fr) 2017-04-24 2018-04-04 Came de platines pour métiers à tricoter circulaires

Country Status (8)

Country Link
EP (1) EP3615722B1 (fr)
JP (1) JP7071396B2 (fr)
KR (1) KR102534407B1 (fr)
CN (1) CN110546318B (fr)
DE (1) DE102017108676A1 (fr)
PT (1) PT3615722T (fr)
TW (1) TWI796327B (fr)
WO (1) WO2018197166A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111270399B (zh) * 2020-02-17 2021-06-15 泉州市洛江东晖机械有限公司 一种双面圆形针织机中的上盘织针轨迹调节装置
CN113981602A (zh) * 2021-11-01 2022-01-28 鲁道夫(泉州)机械有限公司 一种易于拆装的卫衣包丝棱角及其工作方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3540685C1 (de) * 1985-11-16 1986-10-09 SIPRA Patententwicklungs- und Beteiligungsgesellschaft mbH, 7470 Albstadt Strickmaschine
DE3634784C1 (de) * 1986-10-11 1988-02-04 Sipra Patent Beteiligung Mehrsystemige Rundstrickmaschine
DE3821213A1 (de) * 1987-07-25 1989-02-09 Sipra Patent Beteiligung Rundstrickmaschine mit schiebernadeln
DE4129845A1 (de) * 1991-09-07 1993-03-11 Sipra Patent Beteiligung Rundstrickmaschine zur herstellung von plueschwaren
EP1559820A1 (fr) 2004-01-22 2005-08-03 Pai Lung Machinery Mill Co. Ltd. Dispositif de réglage de came dans une machine à tricoter circulaire
JP2005240192A (ja) 2004-02-24 2005-09-08 Hakuryu Kikaisho Kofun Yugenkoshi 丸編み機
JP2005240193A (ja) 2004-02-24 2005-09-08 Hakuryu Kikaisho Kofun Yugenkoshi 丸編み機のカム調整装置
CN202881592U (zh) * 2012-10-16 2013-04-17 福建泉州凹凸精密机械有限公司 一种针织机用生克片三角装置
CN204342997U (zh) * 2014-12-16 2015-05-20 绍兴闻翔远丰机械制造有限公司 电脑提花窗帘布圆形针织机

Also Published As

Publication number Publication date
PT3615722T (pt) 2021-09-29
EP3615722A1 (fr) 2020-03-04
CN110546318A (zh) 2019-12-06
JP2020517839A (ja) 2020-06-18
KR20190138649A (ko) 2019-12-13
DE102017108676A1 (de) 2018-10-25
TWI796327B (zh) 2023-03-21
WO2018197166A1 (fr) 2018-11-01
KR102534407B1 (ko) 2023-05-18
JP7071396B2 (ja) 2022-05-18
TW201839199A (zh) 2018-11-01
CN110546318B (zh) 2021-12-28

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