EP0197275B1 - Procédé et métier à tricoter chaîne rectiligne pour la fabrication d'un tricot chaîne à trames - Google Patents
Procédé et métier à tricoter chaîne rectiligne pour la fabrication d'un tricot chaîne à trames Download PDFInfo
- Publication number
- EP0197275B1 EP0197275B1 EP86102404A EP86102404A EP0197275B1 EP 0197275 B1 EP0197275 B1 EP 0197275B1 EP 86102404 A EP86102404 A EP 86102404A EP 86102404 A EP86102404 A EP 86102404A EP 0197275 B1 EP0197275 B1 EP 0197275B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- weft thread
- weft
- thread
- group
- conveying means
- 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.)
- Expired
Links
- 238000009940 knitting Methods 0.000 title claims description 26
- 238000000034 method Methods 0.000 title claims description 25
- 239000004744 fabric Substances 0.000 title claims description 14
- 238000004519 manufacturing process Methods 0.000 title claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 22
- 238000005520 cutting process Methods 0.000 claims description 11
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 230000000717 retained effect Effects 0.000 claims 2
- 206010003402 Arthropod sting Diseases 0.000 claims 1
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000000151 deposition Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B23/00—Flat warp knitting machines
- D04B23/12—Flat warp knitting machines with provision for incorporating unlooped wefts extending from selvedge to selvedge
Definitions
- the weft threading device of the device only has the ability to deposit a weft group into weft conveying means when it arrives. The process or the backward movement of the laying device takes place without weft depositing in the funding.
- Equipping the weft threading device with thread clamping means means mass to be moved, which increases the drive effort.
- the constant new insertion of the thread ends into the weft conveyor on this side brings with it functional uncertainties. It is disadvantageous.
- the invention aims at eliminating the disadvantages mentioned and sufficient reliability of the machine at a high working speed.
- the object of the invention characterized in the claims is to provide a method and a flat warp knitting machine, each movement of the weft threading device triggers a transfer of a finite weft group to the weft conveying means and the threads to be drawn off from a supply point in the vicinity of the weft conveying means are kept constantly ready .
- the object of the invention is achieved in that, before the weft group is handed over to the weft conveying means, the beginnings of the weft group are alternatively recorded and held by a first separate weft holding device and then at a distance from the first weft holding device the weft group at a point distant from the beginning a second separate weft holding device is alternatively detected and recorded that the weft group located between the weft holding devices is then taken over by the weft conveying means, that after the weft group has been taken over from the weft conveying center into the weft group near the second weft holding device from the latter and from the weft laying device and the first weft holding means releases the weft group at about the same time that the weft conveying means takes over the picked weft group Pe then transport it to the stitch formation point so that the weft group held in the second weft holding device in the further course is moved to the first weft holding device and is also detected and held by this, as well, that
- a machine which is particularly suitable for carrying out the above method is characterized in that the two weft conveying means are each assigned a weft holding device outside their space, which is located below the plane of movement of the weft laying device, and a cutting device between each conveying means and the associated weft holding device is provided.
- the effectiveness of the weft threading device is achieved during each movement and, due to the arrangement and functions of the weft thread holding devices, a constant readiness of the threads to be drawn is ensured.
- the weft conveyor 1; 2 are allotted.
- Vertical movement of a rail 23; 24 upwards causes the thread clamp 3 or 4 to open.
- the rails 23; 24 are dimensioned such that at least as much thread clamps 3; 4 can be opened as weft threads belong to a weft thread group.
- a weft thread laying device 25 which can be moved back and forth approximately vertically to the direction of movement of the latter, and which moves its back and forth by means of rollers 26; 27 (Fig. 2) on two fixed rods 28; 29 executes.
- a continuous thread 30 or a thread group 30 is continuously guided by the weft threading device 25, the withdrawal of which from fixed bobbins 31 takes place via a common thread store 32.
- the weft threading device 25 comprises thread guide means 33; 34 and elongated thread guides 35. The distance between the thread guides 35 corresponds to the distance between the thread clamps 3; 4 the latter on their weft conveyor 1; Have 2 with each other.
- each conveyor 1; 2 a weft holding device 36; 37 assigned a thread clamping means 38; for each weft thread 30 'to a weft thread group 30' laid simultaneously by the weft thread laying device 25 in the case of an outward or return movement; 39 wears.
- the two weft holding devices 36; 37 with their thread clamping means 38; 39 and drives are of the same type, so that the further description of these means can be done on the machine side.
- the side of the weft thread holding device 37 was selected for this purpose.
- a thread clamping means 39 in this regard is formed by a fixed clamping leg 40 and by a movable clamping leg 41.
- the clamping legs 40; 41 are each provided with a thread guide pin 42 (cf. also FIG. 1).
- One of the two clamping legs 40; 41 - in the present case the movable leg 41 was determined - is expediently to be equipped with a thread deflecting means 43 which, as can be seen from FIG. 4, in the closed state of the thread clamping means 39, that is to say when between the clamping legs 40; 41 a weft thread 30 'is held, the gap 44 between the clamping legs 40; 41 covered.
- the fixed clamping legs 40 of the thread clamping means 39 are fastened to a guide plate 45 in accordance with FIGS. 3 and 4.
- the latter is mounted on columns 46 so as to be movable in the vertical direction (cf. FIG. 1).
- the vertically movable guide plate 45 is driven by a system of gear links 45 a; 45 b of a cam, not shown, which in turn has a connection to the main drive of the machine.
- the guide plate 45 also carries a guide rail 47 which projects into a groove 48 of the movable clamping leg 41 of the thread clamping means 39.
- a guide rod 49 was slidably mounted in the fixed clamping legs 40. It carries the movable clamping legs 41, which are connected to the rod 49 are.
- the guide rail inserted into the grooves 48 secures the clamping leg 41 against rotation on the rod 49.
- the guide rod 49 was equipped at its rear end with a shoulder 52 with a pin 53, the axis of which is aligned with the axis of the guide rod 49.
- the pin 53 is arranged eccentrically with respect to the guide rod 49 and received in a bearing 54, as a result of which rotation of the rod 49 is prevented.
- the axial movement is controlled by a cam, not shown, which transmits a corresponding movement to a lever 55, which then acts on the guide rod 49 via a roller 56.
- Turning the lever 55 counterclockwise leads to a displacement of the guide rod 49 to the left, as a result of which the movable clamping legs 41 are also displaced to the left against the action of the compression springs 51 via the rings 50, which leads to the opening of the thread clamping means 39.
- the flat warp knitting machine was provided on both sides between the weft conveying means 1 and 2 and the weft holding devices 36 and 37, each with a cutting device 59; 60 equipped.
- Each cutter 59; 60 comprises a pair of scissors 61 for each weft thread 30 'of the weft thread 30' laid per reciprocating movement of the weft thread laying device 25; 62.
- Their spacing from one another on each side of the machine corresponds to the spacing of the thread guides 35 of the weft thread laying device 25.
- the two cutting devices 59; 60, their scissors 61; 62 and the associated drive are basically the same, so that the following explanation relates to a cutting device 59; 60 can relate.
- the scissors 61 are formed by a fixed scissor leg 63 and a movable scissor leg 64.
- the fixed scissor leg 63 is held, the bolt 65 also serving as a bearing for the movable leg 64.
- a pin 66 is fastened to each scissor arm 64 and is guided in a recess in a rod 67 for the purpose of moving the loose arm 64.
- the rod 67 is moved by a cam, not shown, via a lever 68 and a bolt 69.
- FIGS. 9 and 10 a beginning of a weft group 30 'is held in the thread clamps 38 (in this sense, FIG. 9 corresponds to FIG. 1).
- the thread clamping means 38 take a position II a above the level of the weft conveyor 1; 2 a. Also above the level of funding 1; 2 are in this phase the thread clamping means 39. The same are in position I, which is from the level of the funding 1; 2 is further away than the position II a of the thread clamping means 38.
- the side of the thread clamping means 38 is referred to in this phase as the weft input side and the side of the thread clamping means 39 as the weft discharge side in relation to the function of the weft thread laying device 25.
- the weft group 30 ' now moves from the weft input side (left) to the weft output side (right).
- the thread guides 35 which guide the weft threads 30 ', pass through the previously opened thread clamping means 39 on arrival at the weft delivery side.
- the weft thread group 30 ' is drawn off from the bobbins 31 (FIG. 1) and above the weft thread conveying means 1; 2 laid across the entire working width.
- the weft threading device 25 of FIG. 14 moves towards the new weft delivery side (thread clamping means 38), and the thread clamping means 39 have moved up to a position II a, a start of a again "new" weft thread group 30 "'now from the thread clamping means 39 Before the weft threading device 25 reaches the thread clamping means 38, the height thereof has also changed in that the uppermost position I has become the working position in which the weft thread group 30 ′′ is received by the weft thread laying device 25.
- a further movement cycle analogous to FIGS. 9 to 13 begins in the following, which can be repeated as often as desired.
- the sinkers 72 remain in the lowest position until the tips of the knitting needles 73 protrude from the support needles 71, so that the weft thread 30 '; 30 "; 30" 'can no longer avoid.
- the procedure described is with each weft 30 '; 30 "; 30” 'performed.
- a conventional cam or crank drive can be used as the drive for the bar of the feed plates 72.
- the highest position of the boards 72 is indicated in dashed lines in the drawing and the lowest position is indicated by solid lines.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Knitting Machines (AREA)
- Looms (AREA)
Claims (29)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DD85273732A DD248709A3 (de) | 1985-03-04 | 1985-03-04 | Verfahren und flache kettenwirkmaschine zum herstellen eines schusskettengewirkes |
DD273732 | 1985-03-04 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0197275A1 EP0197275A1 (fr) | 1986-10-15 |
EP0197275B1 true EP0197275B1 (fr) | 1989-01-11 |
Family
ID=5565724
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP86102404A Expired EP0197275B1 (fr) | 1985-03-04 | 1986-02-25 | Procédé et métier à tricoter chaîne rectiligne pour la fabrication d'un tricot chaîne à trames |
Country Status (5)
Country | Link |
---|---|
US (1) | US4638647A (fr) |
EP (1) | EP0197275B1 (fr) |
JP (1) | JP2533483B2 (fr) |
DD (1) | DD248709A3 (fr) |
DE (1) | DE3661742D1 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3631217C1 (de) * | 1986-09-13 | 1988-01-14 | Liba Maschf | Vorrichtung zum Legen von Schussfaeden zwischen zwei auf eine Nadelfontur einer Kettenwirkmaschine zulaufende Laengsfoerderer |
DE3729344A1 (de) * | 1987-09-02 | 1989-03-23 | Liba Maschf | Vorrichtung zum klemmen von schussfaeden in einer kettenwirkmaschine |
DE4301231C2 (de) * | 1993-01-19 | 1995-09-21 | Olbo Textilwerke Gmbh | Verfahren und Einrichtung zur Herstellung textiler netzartiger Flächengebilde |
HUE041956T2 (hu) | 2013-07-19 | 2019-06-28 | Kufner Holding Gmbh | Eljárás egy textil jellegû felületi fûtõelem elõállítására és lánchurkológép vagy Raschel-gép táras vetülékbevivõ rendszerrel |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT292164B (de) * | 1967-08-02 | 1971-08-10 | Elitex Zavody Textilniho | Vorrichtung zur Bildung eines beweglichen zum weiteren Verarbeiten in Textilmaschinen geeigneten Schußfadensystems |
US3699783A (en) * | 1969-10-20 | 1972-10-24 | Stevens & Co Inc J P | Apparatus for feeding filling threads to a warp knitting machine |
US3771330A (en) * | 1969-10-20 | 1973-11-13 | Stevens & Co Inc J P | Apparatus for feeding filling threads to a warp knitting machine |
DE2129866A1 (de) * | 1970-06-26 | 1972-04-13 | Wirkmaschb Karl Marx Stadt Veb | Flache Kettenwirkmaschine,insbesondere Naehwirkmaschine,zur Herstellung eines Schussfaeden aufweisenden Textilstoffes |
CH522064A (de) * | 1970-07-02 | 1972-04-30 | Elitex Zavody Textilniho | Vorrichtung zur Bildung eines zur weiteren Verarbeitung bestimmten Schussfadensystems auf Textilmaschinen |
US3680332A (en) * | 1970-07-22 | 1972-08-01 | Travis Mills | Apparatus for feeding filling threads to a warp knitting machine |
US3756043A (en) * | 1971-11-11 | 1973-09-04 | Wirkmaschinenbau Karl Marx Veb | Flat warp knitting machines |
US3953989A (en) * | 1974-08-21 | 1976-05-04 | Veb Wirkmaschinenbau | Method and apparatus for warp knitting and resultant product |
US4123920A (en) * | 1977-08-31 | 1978-11-07 | Bassist Rudolf G | Apparatus for feeding filling threads to a warp knitting machine |
-
1985
- 1985-03-04 DD DD85273732A patent/DD248709A3/de not_active IP Right Cessation
- 1985-12-24 US US06/813,319 patent/US4638647A/en not_active Expired - Lifetime
-
1986
- 1986-02-10 JP JP61026055A patent/JP2533483B2/ja not_active Expired - Lifetime
- 1986-02-25 DE DE8686102404T patent/DE3661742D1/de not_active Expired
- 1986-02-25 EP EP86102404A patent/EP0197275B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JP2533483B2 (ja) | 1996-09-11 |
EP0197275A1 (fr) | 1986-10-15 |
DE3661742D1 (en) | 1989-02-16 |
JPS61201058A (ja) | 1986-09-05 |
DD248709A3 (de) | 1987-08-19 |
US4638647A (en) | 1987-01-27 |
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