EP2025785B1 - Strickverfahren für intarsienmusterware und flachstrickmaschine - Google Patents

Strickverfahren für intarsienmusterware und flachstrickmaschine Download PDF

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Publication number
EP2025785B1
EP2025785B1 EP07737164A EP07737164A EP2025785B1 EP 2025785 B1 EP2025785 B1 EP 2025785B1 EP 07737164 A EP07737164 A EP 07737164A EP 07737164 A EP07737164 A EP 07737164A EP 2025785 B1 EP2025785 B1 EP 2025785B1
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EP
European Patent Office
Prior art keywords
needle
knitting
tuck
yarn
route
Prior art date
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Not-in-force
Application number
EP07737164A
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English (en)
French (fr)
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EP2025785A1 (de
EP2025785A4 (de
Inventor
Masao Okuno
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Shima Seiki Mfg Ltd
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Shima Seiki Mfg Ltd
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Publication of EP2025785A1 publication Critical patent/EP2025785A1/de
Publication of EP2025785A4 publication Critical patent/EP2025785A4/de
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Publication of EP2025785B1 publication Critical patent/EP2025785B1/de
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Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B7/00—Flat-bed knitting machines with independently-movable needles
    • D04B7/24—Flat-bed knitting machines with independently-movable needles for producing patterned fabrics
    • D04B7/26—Flat-bed knitting machines with independently-movable needles for producing patterned fabrics with colour patterns
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B1/10—Patterned fabrics or articles
    • D04B1/12—Patterned fabrics or articles characterised by thread material
    • D04B1/126—Patterned fabrics or articles characterised by thread material with colour pattern, e.g. intarsia fabrics
    • 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
    • D04B15/36—Cam systems or assemblies for operating knitting instruments for flat-bed knitting machines
    • D04B15/362—Cam systems or assemblies for operating knitting instruments for flat-bed knitting machines with two needle beds in V-formation
    • 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
    • D04B15/38—Devices for supplying, feeding, or guiding threads to needles
    • D04B15/54—Thread guides
    • D04B15/56—Thread guides for flat-bed knitting machines
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B39/00—Knitting processes, apparatus or machines not otherwise provided for
    • D04B39/04—Knitting processes, apparatus or machines not otherwise provided for adapted for combined weft and warp knitting

Definitions

  • the present invention relates to a knitting method and a flat knitting machine that can knit intarsia patterns by feeding a knitting yarn that serves as a pattern yarn simultaneously in a plurality of sections.
  • a knitting yarn feeding apparatus that can feed a knitting yarn that serves as a pattern yarn is used to knit fabrics similar to warp knit structures in a flat knitting machine that basically knits fabrics of weft knit structures (for example, see Patent Document 1).
  • This knitting yarn feeding apparatus is equipped with lace bars, each lace bar has a plurality of mounted feeder tubes capable to feed knitting yarns simultaneously to a plurality of sections, and is able to knit structures similar to warp knit structures in which knitting yarns that form knitted loops run in the wale direction by lapping action in which the lace bars shuttles in the longitudinal direction of the needle bed and by swing action in which the lace bars oscillates between the front and the back of the needle bed.
  • Fig. 6 shows the condition in which a knitting yarn 5 is hanged over from a feeder tube 4 mounted to a lace bar to a plurality of knitting needles 3 advanced from a needle bed 2 to a needle bed gap 1.
  • the feeder tube 4 hangs the knitting yarn 5 over each section by a swing action of the lace bar, a lapping action and a swing action.
  • one section is formed by four knitting needles 3a, 3b, 3c, and 3d.
  • the feed tube 4 oscillates from the rear side to the front side on the left side of the knitting needle 3a by a swing action to pull out the knitting yarn 5 from an old loop of the knit fabric kept by the rear side of the needle bed 2 to the front side of the needle bed 2.
  • the feeder tube 4 traverses by a wrapping action and feeds the knitting yarn 5 from the head end of the feeder tube 4 to each of knitting needles 3a, 3b, 3c, and 3d which belong to this section.
  • the feeder tube 4 oscillates from the front side of the needle bed 2 to the rear side by a swing action and pulls out the knitting yarn 5.
  • the needle bed 2 is tilted so that the end confronting the needle bed gap 1 ascends.
  • the knitting yarn feeding apparatus equipped with the lace bars is installed above the needle bed opposed to the needle bed 2 with the needle bed gap 1 in-between, and oscillates between the position where the head end of the feeder tube 4 is located on the front side and the position where the head end of the feeder tube 4 is located on the rear side with respect to the extension line of the needle bed 2; therefore, on the terminal-end side of each section, the knitting yarn 5 is pulled in the head end direction of the knitting needle 3 and is engaged to a hook 6. Consequently, the knitting yarn 5 that is hanged over is tilted at an angle ⁇ (0° ⁇ 90°).
  • the 6 is a compound needle which has a needle body 7 with the hook 6 equipped at the head end and a slider 8 that opens and closes the hook 6.
  • the slider 8 is formed with two plates and adopts a type that enables stitch transfer action and the like when it is advanced to the needle bed gap 1 side from the position where the hook 6 of the needle body 7 is closed.
  • the knitting yarn 5 on the start-end side is fed over the slider 8, and the knitting yarn 5 on the terminal-end side is fed into the hook 6 as shown in Fig. 6(b) .
  • knitting needles 3b and 3c at the middle of the section form stitches by catching the hanged-over knitting yarn 5 into the hook 6, and therefore, as in the case of using a plated stitch, plating knitting action is chosen.
  • Fig. 7 and Fig. 8 schematically show partial construction of a cam lock for pattern yarn 10 that carries out drive for knitting action of the knitting needle 3 shown in Fig. 6 .
  • the cam lock for pattern yarn 10 corresponds to one system of the three systems that are mounted to a carriage that reciprocates in the longitudinal direction of the needle bed 2 as is the case with Fig. 1 of Patent Document 2.
  • a weft yarn cam lock is installed and the cam lock for pattern yarn is further installed.
  • the cam lock for pattern yarn 10 shown in the drawing and the left side cam lock for pattern yarn not shown carry out action to advance and retain the knitting needle 3 respectively chosen, to the needle bed gap 1 when the carriage traverses leftward and rightward.
  • the lace bar equipped with the feed tube 4 shown in Fig. 6 , carries out swing actions and lapping actions, and hangs over the knitting yarn 5.
  • the pattern yarn cam lock 10 pulls in the knitting needle 3 with the knitting yarn 5 hanged over from the start-end side to the terminal-end side successively by a stitch cam 18 and forms a stitch when the carriage traverses rightward.
  • the left side cam lock for pattern yarn not shown, forms a stitch when the carriage traverses leftward.
  • the cam lock for pattern yarn 10 includes a cam lock for needle body 11 that guides a butt for driving the needle body 7, a cam lock for slider 12 that guides a butt for driving the slider 8, and A presser 13, H presser 14, and B presser 15.
  • Each knitting needle 3 is chosen in such a manner that a select jack is located at either one of A position, H position, or B position by the action of a needle selection mechanism installed on the left side of the figure at a space remaining to the weft yarn cam lock.
  • the A presser 13 is a movable type presser that can change over between operation or non-operation, and is installed in a route where the butt protruding from the select jack with chosen A position passes.
  • the H presser 14 has two movable H pressers 14a and 14b that can change over individually between operation and non-operation, and is installed in a route where the butt of the select jack with H position chosen passes.
  • the B presser 15 is a fixed presser that constantly operates and is installed in a route where the butt of the select jack with B position chosen passes.
  • the cam lock for needle body 11 includes a needle raising cam 16 that has inclined cam surfaces 16a and 16b for guiding the needle body 7 to advance to the needle bed gap 1, guard cam 17 installed above the needle raising cam 16, a stitch cam 18 having a inclined cam surface that guides the needle body 7 to pull in from the needle bed gap 1 when the carriage transverses rightwards, and a select jack clearing cam 19.
  • Fig. 7 shows the routes to which each butt is guided at the time of high tuck set for knitting needles 3 on the start-end side and on the terminal-end side of each section of Fig. 6 .
  • the select jack is chosen to be at H position, and the first-half H presser 14a is set to be in non-operation while the second-half H presser 14b is set to be operation when the carriage traverses leftward.
  • a route 22a of left traverse of a butt 21 for driving the needle body 7 ascends to the needle bed gap 1 side along the raising cam surface 16a and reaches the shoulder position of the needle raising cam 16, from which the route 22a advances to the needle bed gap 1 side further along the raising cam surface 16b of the needle raising cam 16 because the first-half H presser 14a is not in operation.
  • descent cam surfaces 17a and 17b of two steps are installed.
  • the descent cam surface 17a on the left side falls under the position in which the second-half H presser 14b is operated and is therefore jumped, the butt 21 is returned to the shoulder position of the needle raising cam 16 along the descent cam surface 17b on the right side, and descends to the bottom end of the descent cam surface 17b, and then, pierces through to the right side of the figure nearly horizontally.
  • a route 24a of left traverse of a butt 23 that drives the slider 8 advances to the needle bed gap 1 side in concert with the needle body 7 that advances to the needle bed gap 1 along the ascent cam surface 16b of the needle raising cam 16 by non-operation of the first-half H presser 14a.
  • the butt 23 jumps the descent cam surface 12a of the cam lock for slider 12 and pierces through to the right side of the figure with the advancing position held even if the route of left traverse 22a of the needle body 7 retracts from the needle bed gap 1 along the descent cam surface 17b of the guard cam 17.
  • both H pressers 14a and 14b are set to be in operation.
  • a route 22b of right traverse of the butt 21 of the needle body 7 traverses rightward nearly horizontally reaches the inclined cam surface of the stitch cam 18 with the shoulder position of the needle raising cam 16 held, and along this inclined cam surface, the needle body 7 is pulled from the needle bed gap 1 into the needle bed 2.
  • a route 24b of right traverse of the butt 23 of the slider 8 is nearly horizontal until it reaches the descent cam surface 12b installed on the left side of the cam lock for slider 12 and along the descent cam surface 12b, the slider 8 is pulled from the needle bed gap 1 into the needle bed 2.
  • Fig. 8 shows a route in which each butt is guided at the time of plating set relative to the intermediate knitting needles 3 excluding those on the start-end side and on the terminal-end side of each section of Fig. 6 .
  • the select jack is chosen to be at A position and the A presser 13 is set to be in non-operation when the carriage traverses leftward.
  • a route 26a of left traverse of a butt 25 of the needle body 7 advances from the shoulder position of the needle raising cam 16 further to the needle bed gap 1 side along the ascent cam surface 16b of the needle raising cam 16.
  • the butt 25 is returned to the shoulder position of the needle raising cam 16 along the descent cam surface 17a on the left side of the guard cam 17, and descends to the bottom end of the descent cam surface 17a and then, pierces through to the right side of the figure nearly horizontally.
  • a route 28a of left traverse of a butt 27 of the slider 8 advances to the needle bed gap 1 side in concert with the needle body 7 that advances to the needle bed gap 1 along the ascent cam surface 16b of the needle raising cam 16.
  • the butt 27 retracts from the needle bed gap 1 along the descent cam surface 12a of the cam lock for slider 12, and pierces through to the right side of the figure with the position of the bottom end of the descent cam surface 12a held.
  • the select jack clearing cam 19 installed on the right side of the needle raising cam 16 works to pierce through to the right after the select jack chosen to be at A position is retracted to H position.
  • the select jack chosen to be at A position at the time of leftward traverse returns at H position by the action of the select jack clearing cam 19, and passes H pressers 14a and 14b, which are both set to be in operation.
  • the select jack pierces through to rightward with A position held when the carriage traverses leftward and returns with A position held when the carriage traverses rightwards.
  • the route of the butt 25 of the needle body 7 becomes identical to a route 26b of right traverse when the select jack returns at H position.
  • the route 26b of right traverse of the butt 25 of the needle body 7 reaches the inclined cam surface of the stitch cam 18 with the shoulder position of the needle raising cam 16 nearly held, and the needle body 7 is pulled into the needle bed 2 from the needle bed gap 1 along this inclined cam surface. That is, the needle body 7 is pulled in equivalently to the route 22b of right traverse as shown in Fig. 7 .
  • a route 28b of right traverse of the butt 27 of the slider 8 holds a position piercing through to the right side of the figure at the time of left traverse, and is nearly horizontal until it reaches the descent cam surface 12b installed on the left side of the cam lock for slider 12, and pulls in the slider 8 from the needle bed gap 1 to the needle bed 2 along the descent cam surface 12b.
  • Fig. 9(a) shows the relative positional relation of each of butts 21, 23, 25, and 27 at the condition in which only a butt 21a of the knitting needle 3a of the high tuck on the start-end side is guided to descend at the inclined cam surface of the stitch cam 18 for one section formed by four knitting needles 3a, 3b, 3c, and 3d shown in Fig. 6(a) .
  • Fig. 9(b) shows the relative positional relation of butts 21, 23, 25 and 27 at the condition in which a butt 25b of the plating knitting needle 3b adjacent to the high tuck knitting needle 3a on the start-end side, too, is ready to be guided to descend at the inclined cam surface of the stitch cam 18.
  • Fig. 9(b) shows the relative positional relation of butts 21, 23, 25 and 27 at the condition in which a butt 25b of the plating knitting needle 3b adjacent to the high tuck knitting needle 3a on the start-end side, too, is ready to be guided to descend at the inclined cam
  • FIG. 10(a) and Fig.10(b) corresponding to Fig. 9(a) and Fig. 9(b) respectively, show the relative positional relationship between knitting yarn 5 and hooks 6a and 6b at knitting needles 3a and 3b.
  • the cross sections 5a, 5b, and 5d of the knitting yarn 5 show those at the positions which correspond to knitting needles 3a, 3b, and 3d, respectively.
  • the present invention provides a knitting method of an intarsia pattern fabric on a flat knitting machine, the flat knitting machine being provided with a pair of needle beds and lace bars, the needle beds being opposed to each other in a needle bed gap, each of the needle beds being equipped with compound needles as knitting needles, and the lace bars being capable for feeding the knitting yarns which can serve as pattern yarns for a plurality of sections simultaneously from the start-end side to the terminating-end side in each section by swing action in which the lace bars oscillate between the front and the back of the needle bed, and lapping action in which the lace bars shuttle in the longitudinal direction of the needle bed, to knitting needles which advance from one needle bed to the needle bed gap, the knitting needles on the both ends of each section being selected to be in a high-tuck state, the intarsia pattern fabric being knitted at the section boundaries with high-tuck joints formed with the knitting needle of the terminating-end side of one section and the start-end side of the adjacent section, characterized in that the knitting method comprises
  • the present invention also provides the knitting method, wherein the flat knitting machine is equipped with cam mechanisms that guide and drive needle bodies and sliders of the compound needles respectively in accordance with the needle selection condition, and selects the intermediate knitting needles excluding those on the start-end and the terminating-end of each of the sections, in such a manner that the route for needle bodies is the same to that of the knitting needles in the high-tuck state and the route for the sliders is different from that of the high-tuck state when the needle bodies and sliders are introduced into the cam mechanism, and the cam mechanism bifurcates halfway the route of needle bodies into different routs according to the difference in the routs of sliders, and pulls in the needle bodies of knitting needles selected to be in the high-tuck state from the needle bed gaps in advance.
  • the present invention also provides the knitting method, wherein the compound needles are housed in needle grooves formed in the needle beds, in such a way that each needle body is in the bottom side of each needle groove and each slider is in the top side of each needle groove, the cam mechanism drives the needle body and the slider by cam grooves which provided to guide butts when protruding from the needle groove, a bifurcation area is provided on the route by which the butt of the needle body capable to be pulled in from the needle bed gap when the butt protrudes from the needle groove, and the butt of the slider is depressed in the route that guides the butts of the sliders of the intermediate knitting needles at a position corresponding to the bifurcation area of the route that guides the butts of the needle bodies, so that the butts of the needle bodies are prevented from being bifurcated into the route that pulls in the butts from the needle bed gap at the bifurcation area.
  • the present inventions provides a flat knitting machine provided with a pair of needle beds opposed to each other in the needle bed gap, each of the needle beds being equipped with compound needles, as knitting needles, having needle bodies equipped with hooks at the head end on the needle bed gap side and sliders that open and close hooks by being relatively displaced with respect to the needle bodies, and capable for knitting intarsia patterns by crossing over the knitting yarn that can serve as a pattern yarn to each of the knitting needles which advance from one needle bed to needle bed gaps, respectively, by swing action, in which the lace bars oscillate between the front and the back of the needle bed, and lapping action in which the lace bars shuttle in the longitudinal direction of the needle bed of lace bars, thereby forming high-tuck joints at boundaries
  • the flat knitting machine comprising: a needle selection mechanism that selects knitting needles at boundaries of the section to be in the high-tuck state and that selects intermediate knitting needles of the section to be in a state different from the high-tuck state; a slider guide mechanism that guides slider
  • the knitting needle on the terminating-end side of each section of the intarsia pattern is pulled from the needle bed gap into the needle bed side preceding the knitting needle adjacent to the knitting needle that carries out a high-tuck joint, at least, on the start-end side, and therefore, the gradient angle of the knitting yarn that is hanged over from the start-end side to the terminating-end side can be reduced. Since a gradient of knitting yarn in the state same as that at the time of a large interval from the start-end side to the terminating-side can be provided for the knitting needle adjacent to the knitting needle that carries out a high-tuck joint on the start-end side, yarn catching timing can be delayed.
  • knitting needles at the start-end and the terminal-end of a section and intermediate knitting needles are bifurcated by a cam mechanism in such a manner that routes of needle bodies differ halfway in accordance with the difference of slider routes, and needle bodies of knitting needles selected in the high-tuck state are able to be pulled in from the needle bed gap in advance. Since the difference of slider routes are utilized, bifurcation of routes of needle bodies can be achieved without adding any new selection mechanism.
  • the yarn catching timing at the knitting needle adjacent to the start-end side can be delayed. While the yarn catching timing lags behind, the knitting yarn is knocked over by the pull-in of the knitting needle on the start-end side, the yarn catching height at the adjacent knitting needle is lowered, and the yarn catching condition can be improved.
  • Fig. 1 shows a basic concept on a method for knitting intarsia patter fabrics as one embodiment of the present invention. That is, as shown in Fig. 1(a) by a dashed line, when a knitting yarn 5 is held hanged over from the high tuck knitting needle 3a on the start-end side of a section to the high tuck knitting needle 3d on the terminating-end side, the inclination angle of the knitting yarn 5 becomes ⁇ , whereas pull-in of the knitting needle 3d on the terminating side is conducted in advance. As a result of preceding pull-in, the inclination angle of the knitting yarn 5 is reduced to ⁇ as shown by a chain double-dashed line.
  • Yarn catching at the knitting needle 3b adjacent to the start-end side is intended for the knitting yarn 5 of the inclination angle ⁇ , and the timing of the knitting yarn 5 to be engaged in a hook 6b is able to be delayed.
  • the timing of the knitting yarn 5 to be engaged in a hook 6b is able to be delayed.
  • the knitting yarn 5 which is hanged over from above the slider 8 of the knitting needle 3a on star-end side into the hook 6d of the knitting needle 3d on terminal-end side, reverses from the needle bed gap 1, too, and timing for catching the knitting yarn 5 into the hook 6b of the knitting needle 3b when the hook 6b is pulled in is delayed, too.
  • Fig. 2 shows the condition of each of the knitting needles 3a, 3b, 3c, and 3d as well as knitting yarn 5 in the time of carrying out yarn catching in the knitting needle 3b adjacent to knitting needle 3a on the start-end side when cams shown in Fig. 4 and Fig. 5 are used.
  • Fig. 2(a) preceding yarn catching by the knitting needle 3b, in the knitting needle 3a on the start-end side, knock-over of the knitting yarn 5 caught on a slider 8a as a high tuck has begun.
  • the knitting yarn 5 caught in the knitting needle 3a is on the way of leaving along the outer circumference of the hook 6a from above the slider 8a.
  • a level difference between the cross-section 5a of the knitting yarn 5 on the start-end side and the cross-section 5d of the knitting yarn 5 in the hook 6d on the terminating-end side is reduced, too, and at the hook 6b, the knitting yarn can be caught at the position of the cross-section 5b and definite yarn catching is enabled.
  • Fig. 3 shows construction of the essential part of the knitting needle 3.
  • the knitting needle 3 has a needle body 7 and a slider 8 separated and the hook 6 at the head end of the needle body 7 is opened and closed by relative displacement of the slider 8 to the needle body 7.
  • Butts 21 and 25 for driving the needle body 7 cited in the description in Fig. 7 and Fig. 8 and butts 23 and 27 for driving the slider 8 are installed to a needle jack 31 and a slider jack 32 connected to a tail portion of the needle body 7 and the slider 8, respectively.
  • a forked portion 31a is installed and the tail part of the slider jack 32 is housed therein.
  • the slider 8 is prevented from relative reversal to the needle body 7 when the tail end of the slider jack 32 comes in contact with the inner surface of the forked portion 31a of the needle jack 31. That is, with the tail end of the slider jack 32 in contact with the inner surface of the forked portion 31a, the hook 6 opens to the maximum. Under this condition, when the needle body 7 advances to the needle bed gap 1, the slider 8, too, advances to the needle bed gap 1.
  • Driving butts 23 and 27 of the slider jack 32 for advancing the slider 8 only to the needle bed gap 1 side stops the needle body 7 and is able to close the hook 6 at the head end of the slider 8.
  • the slider of a compound needle described in Patent Document 2 is able to move only to the position to close the hook with respect to the needle body, but with the knitting needle 3 of this embodiment can further move the slider 8. This kind of difference does not exert any effect on working of the present invention and the present invention is able to be applied to the compound needle described in Patent Document 2 in the similar manner.
  • the knitting needle 3 is housed in a needle groove formed on the needle bed 2 and slides and displaces the needle groove inside. It is when the butts 21 and 25; 23 and 27of the needle jack 31 and the slide jack 32 are in a condition where these butts protrude to the outside of the needle groove that the butts 21 and 25; 23 and 27 are subject to action of cams.
  • a select jack not shown is disposed above the tail part of the needle jack 31.
  • the select jack is sunk in the needle groove when the select jack is subject to action of A presser 13, H presser 14, or B presser 15 discussed in above-mentioned Fig. 9 and Fig. 10 and in Fig. 4 and Fig. 5 , later discussed, and the needle jack 31 is sunk in the needle groove in linkage, and as a result, butts 21, and 25; 23 and 27 do not protrude to the outside of the needle groove, either,
  • Fig. 4 and Fig. 5 schematically show partial construction of a pattern yarn cam lock 40 that carries out drive of knitting action for the knitting needle 3 shown in Fig. 1 .
  • Fig. 4 for the high tuck knitting needle 3, routes 22a and 24a of left traverse and routes 22b and 24b of right traverse in which the butt 21 that drives the needle body 7 and the butt 23 that drives the slider 8, are shown, respectively, too.
  • Fig. 5 for the plating needle 3, routes 26a and 28a of left traverse and routes 26b and 28b of right traverse in which the butt 25 that drives the needle body 7 and the butt 27 that drives the slider 8 are shown, respectively, too.
  • the pattern-yarn cam lock 40 adds partial change as discussed later to a weft-yarn cam lock 10 shown in Fig. 7 and Fig. 8 but is same as the pattern-yarn cam lock 10 except the changed portion.
  • the pattern-yarn cam lock mounted to the right side of the carriage is discussed, but needless to say, the same discussion is applied to the pattern-yarn cam lock mounted to the left side.
  • a bifurcation cam area 41 is added to a guard cam 17 of a cam lock for needle body 11 that guides the butt 21 for driving the needle body 7.
  • the bifurcation cam area 41 bifurcates the butt in such a manner that the route 22b of right traverse of the butt 21 for driving the high tuck needle body 7 reverses from the needle bed gap 1 along the descent cam surface 41a of the bifurcation cam area 41 when a carriage traverses rightwards.
  • the route 22b of right traverse of the butt 21 after bifurcation passes the position further reversed from the needle bed gap 1, whereas it passes the shoulder position of a needle raising cam 16 at a conventional high tuck shown in Fig. 7 .
  • an inclined surface 41b that increases height from the cam plate surface of a carriage is installed, so that the butt 21 is able to climb over the bifurcation cam area 41 and travel when the carriage traverses leftward.
  • the position in which the butt 21 bifurcates at the bifurcation cam area 41 and reverses from the needle bed gap 1 should be in a range that satisfies the condition where the knitting yarn 5 is smoothly fed from the feeder tube 4 shown in Fig. 1(a) .
  • a sinker is disposed between knitting needles 3, and when the hook 6 of the knitting needle 3 is pulled into the needle bed 2, the knitting yarn 5 first comes in contact with the head end of the sinker, the knitting yarn 5 is hauled between the sinker and the hook 6 to form a new knitted loop, and then, an old loop is knocked over.
  • the preceding pull-in of the knitting needle 3d on the terminating-end side by the bifurcation cam area 41 should be a range free of knock-over and more preferably a range in which the knitting yarn 5 does not come in contact with the sinker, either.
  • the butt 21 jumps the inclined cam surface of the needle raising cam 16 and travels horizontally until it comes in contact with the inclined cam surface of the stitch cam 18 on the left side.
  • both H pressers 14 are set to be in non-operation.
  • the second-half H presser 14b is set to be in operation so that the butt 21 jumps the descent cam surface 17a of the guard cam 17.
  • the presser portion 43 is provided in the route 28b of right traverse of the butt 27 that drives the slider 8, and as is the case of the above-mentioned presser portion 42, the slider jack 32 is sunk in the needle groove, the needle jack 31 is sunk in the needle groove, too, in linkage, so that the butt 25 jumps the descent cam surface 41a.
  • the presser portion 43 is provided in the route 28b of right traverse at the time of plating, and bifurcation is generated in the route 22b of right traverse of the butt 21 that drives the needle body 7 at the time of high tuck only.
  • the route 28a of left traverse of the butt 27 coincides with the route 28b of right traverse, too, and the presser portion 43 works on the butt 27 even when the carriage traverses leftward, but does not exert effect on the route 22a of left traverse of the butt 21. This is because in the route 22a of left traverse, as discussed before, the butt 21 climbs over the inclined surface 41b of the bifurcation cam area 41.
  • the basic concept as shown in Fig. 1 is able to be materialized by a construction, for example, in Fig. 5 in which the select jack is allowed to keep A position when plating is chosen without using the select jack clearing cam 19, and a presser that works on the select jack is added at a position corresponding to the position where the bifurcation cam area 41 is installed to jump the descent cam surface 41a of the bifurcation cam area 41.
  • the concept is able to be materialized by changing control even in a flat knitting machine, that drives knitting needles 3 individually by not driving the knitting needles 3 by cams mounted to the carriage but, for example, by installing an actuator such as linear motor and the like to the knitting needles 3.

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

Claims (4)

  1. Strickverfahren für ein Intarsienmuster-Gestrick auf einer Flachstrickmaschine, die ein Paar Nadelbetten (2) und Zusammenschnür-Schienen (lace bars) aufweist, wobei die Nadelbetten (2) mit einem Nadelbettspalt (1) einander gegenüber angeordnet sind, jedes Nadelbett (2) mit Schiebernadeln als Stricknadeln (3) ausgestattet ist, und die Zusammenschnür-Schienen das Zuführen des Strickgarns (5) ermöglichen, das als Mustergarn für mehrere Abschnitte gleichzeitig von der Start-Endenseite zur Abschluss-Endenseite in jedem Abschnitt durch Schwenkwirkung dienen kann, bei der die Zusammenschnür-Schienen zwischen dem vorderen und hinteren Nadelbett (2) sich hin und her bewegen, und durch eine Überlappungswirkung, bei der die Zusammenschnür-Schienen in Längsrichtung der Nadelbetten (2) zu den Stricknadeln (3) pendeln, die sich von einem Nadelbett (2) zum Nadelbettspalt (1) bewegen,
    wobei die Stricknadeln (3) an beiden Enden des jeweiligen Abschnitts ausgewählt werden, in einem Hochsaum-(high-tuck)-Zustand zu sein, und
    wobei das Intarsienmuster-Gestrick an den Abschnittsgrenzen mit Hochsaumverbindungen gestrickt wird, die mit den Stricknadeln (3) der Abschluss-Endenseite des einen Abschnitts und der Start-Endenseite des benachbarten Abschnitts gebildet werden,
    dadurch gekennzeichnet,
    dass das Strickverfahren weiterhin umfasst:
    Abziehen der Stricknadel (3) im Hochsaum-Zustand auf der Abschluss-Endenseite jedes Abschnitts vom Nadelbettenspalt (1) zur Nadelbettseite, bevor wenigstens die Nadel (3b) abgezogen wird, die der Stricknadel benachbart ist, welche die Hochsaum-Verbindung auf der Start-Endenseite (3a) ausführt.
  2. Strickverfahren für ein Intarsienmuster-Gestrick nach Anspruch 1, wobei die Flachstrickmaschine mit Schlossmechanismen ausgestattet ist, die die Nadelkörper (7) beziehungsweise die Schieber (8) der Schiebernadeln entsprechend einer Nadelauswahlbedingung führen und antrieben, und die die dazwischen liegenden Stricknadeln (3) mit Ausnahme von denen am Startende und am Abschlussende jedes Abschnitts derart auswählen, dass der Weg für die Nadelkörper (7) die gleiche ist wie der Weg der Stricknadeln (3) im Hochsaum-Zustand, und der Weg für die Schieber (8) gegenüber dem des Hochsaum-Zustands unterschiedlich ist, wenn die Nadelkörper (7) und die Schieber (8) in den Schlossmechanismus eingeführt werden, und
    der Schlossmechanismus sich auf halbem Weg der Nadelkörper (7) in unterschiedliche Wege entsprechend der Differenz in den Wegen der Schieber (8) gabelt, und die Nadelkörper (7) der Stricknadeln (3), die im Hocksaum-Zustand ausgewählt sind, vorher vom Nadelbettspalt (1) abzieht.
  3. Strickverfahren für ein Intarsienmuster-Gestrick nach Anspruch 2, wobei die Schiebernadeln in Nadelkanälen, die in den Nadelbetten (2) ausgebildet sind, derart aufgenommen sind, dass sich jeder Nadelkörper (7) auf der Unterseite jedes Nadelkanals und jeder Schieber (8) auf der Oberseite jedes Nadelkanals befindet, wobei der Schlossmechanismus den Nadelkörper (7) und den Schieber (8) durch Nockennuten antreibt, die vorgesehen sind, um Füße zu führen, wenn sie aus dem Nadelkanal vorstehen, wobei ein Gabelungsbereich (41) auf dem Weg vorgesehen ist, auf dem der Fuß (21) des Nadelkörpers (7) vom Nadelbettspalt (1) abgezogen werden kann, wenn der Fuß (21) von dem Nadelkanal vorsteht, und
    wobei der Fuß (27) des Schiebers (8) in den Weg eingedrückt wird, der die Füße der Schieber (8) der dazwischenliegenden Stricknadeln an einer Position (43) entsprechend dem Gabelungsbereich (41) des Wegs führt, der die Füße der Nadelkörper (7) führt, so dass die Füße (25) der Nadelkörper (7) daran gehindert werden, in den Weg gegabelt zu werden, der die Füße vom Nadelbettspalt (1) im Gabelungsbereich (41) abzieht.
  4. Flachstrickmaschine mit einem Paar Nadelbetten (2), die einander gegenüber eines Nadelbettspalts (1) angeordnet sind, wobei jedes der Nadelbetten (2) mit Schiebernadeln als Stricknadeln (3) ausgestattet sind, die Nadelkörper (7) mit Haken (6) am Kopfende auf der Seite zum Nadelbettspalt hin sowie Schieber (8) aufweisen, die die Haken (6) durch Relativverschiebung bezüglich der Nadelkörper (7) öffnen und schließen und geeignet sind, Intarsienmuster durch Überkreuzen des Strickgarns (5) zu stricken, das als Mustergarn dienen kann, auf jede der Stricknadeln (3), die sich jeweils von einem Nadelbett (2) zum Nadelbettspalt (1) hin vorwärts bewegen, und zwar durch eine Schwenkwirkung, bei der sich die Zusammenschnür-Schienen zwischen dem vorderen und hinteren Nadelbett (2) hin- und herbewegen, und einen Überlappungsvorgang bei der sich die Zusammenschnür-Schienen in Längsrichtung des Nadelbetts (2) der Zusammenschnür-Schienen hin- und herbewegen, um dabei an den Grenzen Hochsaum-Verbindungen zu bilden, wobei die Flachstrickmaschine folgendes aufweist:
    einen Nadelauswahlmechanismus, der Stricknadeln (3) an den Grenzen des Abschnitts, der im Hochsaum-Zustand sein soll, auswählt, und der die dazwischenliegenden Stricknadeln (3) des Abschnitts, der sich in einem gegenüber dem Hochsaum-Zustand anderen Zustand befindet,
    auswählt;
    ein Schieberführungsmechanismus, der die Schieber (8) der Stricknadeln (3) im Hochsaum-Zustand bzw. im Zustand, der sich von dem Hochsaum-Zustand unterscheidet, zu unterschiedlichen Wegen führt;
    gekennzeichnet durch
    einen Nadelkörper-Führungsmechanismus, der die Nadelkörper (7) der Stricknadeln (3) im Hochsaumzustand und im Zustand, der sich vom Hochsaumzustand unterscheidet, auf demselben Weg bis zur Hälfte desselben führt, und von der Hälfte des Wegs nur die Nadelkörper (7) im Hochsaum-Zustand in der Weise führt, dass sie auf einen Weg gegabelt werden, um sie vorher vom Nadelbettspalt (1) abzuziehen durch die Verwendung des Wegunterschieds im Schieberführungsmechanismus.
EP07737164A 2006-05-17 2007-05-11 Strickverfahren für intarsienmusterware und flachstrickmaschine Not-in-force EP2025785B1 (de)

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JP2006137760 2006-05-17
PCT/JP2007/000508 WO2007132559A1 (ja) 2006-05-17 2007-05-11 インターシャ柄編地の編成方法および横編機

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EP2025785A1 EP2025785A1 (de) 2009-02-18
EP2025785A4 EP2025785A4 (de) 2010-09-08
EP2025785B1 true EP2025785B1 (de) 2011-11-16

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JP5757751B2 (ja) * 2011-02-28 2015-07-29 株式会社島精機製作所 ニットデザイン装置
CN103451845B (zh) * 2013-08-09 2015-05-20 绍兴县大纬针织机械有限公司 全成形电脑针织横机复合针
CN110678593B (zh) * 2017-04-07 2021-04-27 株式会社岛精机制作所 横机中的添纱编织方法
CN107574553B (zh) * 2017-08-08 2023-04-28 泉州全能智控机械研究所有限公司 可分段走针的提花片组件、纬编机针床提花机构及纬编机
EP3556921B1 (de) * 2018-04-16 2021-09-01 KARL MAYER STOLL R&D GmbH Flachstrickmaschine und verfahren zur herstellung eines filigrangestricks
EP4019681A1 (de) * 2020-12-23 2022-06-29 KARL MAYER STOLL R&D GmbH Strickschloss für eine flachstrickmaschine oder wirkmaschine
WO2022191204A1 (ja) * 2021-03-10 2022-09-15 株式会社島精機製作所 横編機によるパンチレース編地の編成方法

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JP3452639B2 (ja) 1994-05-02 2003-09-29 株式会社島精機製作所 横編機への編糸供給装置
JPH0874146A (ja) 1994-09-05 1996-03-19 Shima Seiki Mfg Ltd コンパウンドニードルを用いた横編機における経糸用カムロック
JP2000199157A (ja) * 1998-12-28 2000-07-18 Tsudakoma Corp インタ―シャ編地における編糸の拘束方法
KR100905251B1 (ko) * 2001-07-24 2009-06-30 가부시키가이샤 시마세이키 세이사쿠쇼 횡편기의 급사장치 및 횡편기의 급사방법
DE60228494D1 (de) * 2001-11-26 2008-10-02 Shima Seiki Mfg
DE10335464B4 (de) * 2003-08-02 2006-06-14 Groz-Beckert Kg Verfahren zum maschinellen Maschenbilden mit zugehörigen Maschenbildungselementen
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ATE533877T1 (de) 2011-12-15
EP2025785A1 (de) 2009-02-18
WO2007132559A1 (ja) 2007-11-22
EP2025785A4 (de) 2010-09-08
JP5010588B2 (ja) 2012-08-29
JPWO2007132559A1 (ja) 2009-09-24
CN101448987B (zh) 2011-04-20
CN101448987A (zh) 2009-06-03

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