DE102014001422A1 - Slitting avoidance method for a knitting thread - Google Patents

Abstract

There is proposed a knitting thread disconnection prevention method which provides a sufficient separation prevention effect with a simple step using a flat knitting machine in which a plurality of knitting needles are arranged in rows, each knitting needle having a transfer spring on one side of a needle shaft. An unusable knitting thread end 29 generated when a first knitting thread 1 which is fed from a first thread guide and a second knitting thread 2 which is fed from a second thread guide 4 are changed is processed in the middle of knitting a knitted fabric . Defining that a side with the transfer spring of each knitting needle is a transfer spring side and a side without the transfer spring is a side opposite to the transfer spring, the second knitting thread 2 is fed to the side opposite to the transfer spring to perform split knitting on one through the first knitting thread 1 or the second knitting thread 2, specific stitch 12 of the stitches of an existing knitted area hanging on a needle bed. A second new stitch 23, which is continued to the specific stitch 12, is formed with the second knitting thread 2. The second new stitch 23 is overlapped with the first new stitch 21 of the opposite needle bed.

Description

[Technical area]

The present invention relates to a severing method for a knitting thread for working an unfit knitting thread end produced when knitting threads in the middle of knitting a knit are changed in knitting the fabric using a flat knitting machine.

Background of the Invention

In a knitwear having a border pattern, an inlay pattern, and the like, the knitting threads are changed in the middle of knitting of the knit. An area where the knitting yarns are exchanged includes a yarn introducing portion in which the knitting yarn is fed, after being changed, to the knitted portion which has been knitted with the knitting yarn before changing, and a yarn carrying portion in which the knitting yarn comes from a terminal end of the knitted portion which has been knitted with the knitting yarn before changing, and it is necessary to prevent the knitting yarns from separating at the yarn introducing portion and the yarn carrying portion. The applicant of the present application therefore proposes a severing method for a knitting yarn in which the flat knitting machine performs the breaking avoidance method (see, for example, Patent Document 1).

With reference to the case of yarn introduction, the separation prevention method as shown in FIG 3 shown, performed as follows.

[S1] A knitting thread (second knitting thread 2 ) is supplied, for example, after changing to the right and from a specific mesh 12 pulled out while the specific mesh 12 a basic knitted area 10 , which on a front needle bed (FB) with a knitting thread (first knitting thread 1 ) was knitted before changing, is transferred to a rear needle bed (BB), and a first new stitch 21 is formed on the knitting needle of the needle bed (FB). The first new stitch 21 becomes a boundary between the basic knit area 10 and a pattern knit area 20 that with the first knitting thread 1 and the second knitting thread 2 has been knitted.

[S2] The second knitting thread 2 turns to the left with a second thread guide 4 to make a second new stitch 23 continuing to the specific mesh 12 and to form a pickup flap 25 adjacent to the second new stitch 23 fed to the needle bed BB.

[S3 to S4] The second knitting thread 2 is returned to the right (S3), and the pickup pocket 25 is transferred from the needle bed BB to the opposite knitting needle of the needle bed FB (S4).

[S5 through S6] A kickback is performed by pulling the second knitting thread 2 is fed to the left (S5) and to the right, being a catch 27 at the pickup pocket 25 , which has been transferred to the needle bed FB, is performed, and wherein a new course with the second knitting thread 2 is knitted, which with a course of the base knitted area 10 , on the right side of the first new stitch 21 hangs, is connected (S6).

[S7] The basic knit area 10 comes with that of a first thread guide 3 fed first knitting thread 1 knit to the stitch adjacent to the left side of the first new stitch 21 , and the second new stitch 23 is transferred to the needle bed FB and with the first new stitch 21 overlaps.

[Reference to prior art]

[Patent Document]

• [Patent Document 1] WO 2007/119272 . 8th to 10

Summary of the Invention

[Problem Solved by the Invention]

The technique of Patent Document 1 almost completes the slitting avoidance method, but the stitches of the second knitting yarn may appear to be at a boundary of before and after yarn feeding and yarn feeding depending on the type (material, thickness, etc.) of the yarn Knitting thread and depending on the pattern, which is knitted with the two knitting yarns, ausbuchten to the fabric side of the first knitting yarn. Due to the need to form picking stitches and tucks, the number of knitting steps is large and the development of a more efficient cut-avoiding method is desired.

The present invention has been made in view of the above-described circumstances, and an object thereof is to propose a severing-avoidance method for a knitting yarn having a sufficient separation-preventing effect with a simple step without forming the catching stitch and performing catching (tuck). causes.

[Means to solve the problem]

A knit thread-slitting prevention method according to the present invention is a method of working a defective knit thread-end which is produced when knitting threads in the middle of knitting of a knit fabric are changed using a flat knitting machine having at least a pair of needle beds in which a plurality of knitting needles are arranged in rows, each knitting needle having a clip spring for hanging on one side of a needle shaft, and the needle beds being disposed opposite to each other in a front and rear direction with a needle bed gap therebetween, and having a first yarn guide and a second yarn guide for feeding respectively a first and a second knitting yarn to the needle bed nip, the stitches being transferable between the front and back needle beds. In each needle bed, the method comprises the following steps α to γ when one side with the cap spring is defined as a cap spring side in each knitting needle and one side without the cap spring as a side opposite to the cap spring.

Step α: a step of transferring a specific stitch knitted by the first knitting thread or the second knitting thread of the stitches of an existing knit portion hanging from one of the needle beds to the other of the needle beds, and moving the second thread guide to the side opposite the cap spring of the one needle bed and pulling out the second thread from the specific stitch, forming a first new stitch on the one needle bed.

Step β: a step of forming a second new stitch consecutive to the specific stitch which has been transferred to the other needle bed with the second knitting thread.

Step γ: a step of overlapping the second new stitch with the first new stitch of the opposing needle bed.

The existing knit region may comprise the specific knit knitted with the first knitting yarn or the second knitting yarn, or may comprise a knit knitted with another knitting yarn such as a third knitting yarn and a fourth knitting yarn. The changing of the knitting yarns during the yarn introduction or during the yarn execution involves the mutual exchange of the first knitting yarn and the second knitting yarn on the one hand, but on the other hand also includes the mutual exchange of the second knitting yarn and another knitting yarn.

In the severance avoiding method of the knitting yarn according to the present invention, the second new stitch is preferably formed by moving the second yarn guide in step β to the side opposite to the cap spring. The second new stitch can be formed by movement of the second thread guide to the cap spring side.

[Effects of the Invention]

• (1) Der zweite Strickfaden wird in der Richtung gegenüberliegend zu der Umhängefeder zugeführt und das Split-Stricken wird an der spezifischen Masche zum Bilden der ersten neuen Masche durchgeführt, sodass beide Platinen-Henkel der ersten neuen Masche um den Strickfaden der spezifischen Masche gewickelt werden können, um so einen verwickelten Bereich zu bilden, wenn die zweite neue Masche mit dem zweiten Strickfaden bezüglich der spezifischen Masche gebildet wird. Daher kann das Auftrennen des zweiten Strickfadens ohne Bildung von Aufnahmemaschen und Durchführen eines Fanges ausreichend vermieden werden.
• (2) Der Bereich, in dem die Masche des zweiten Strickfadens erscheint, als ob sie zu der Gestrickseite des ersten Strickfadens hin ausbuchtet, kann daran gehindert werden, hervorzustehen. Die Aufnahmemasche 25 und der Fang 27, die im Stand der Technik (3) durchgeführt werden, werden in einer anderen Maschenreihe gebildet, welche um eine Ebene bezüglich der ersten neuen Masche 21 verschoben ist (entsprechend zu der ersten neuen Masche in der vorliegenden Erfindung), und daher wird die erste neue Masche 21, die die Masche an dem Grenzende des Fadenzuführens/Fadenausführens werden soll, zu der anderen Maschenreihenseite hin herausgezogen, welche als der Grund angenommen wird, warum die Masche so erscheint als ob sie ausbuchtet. Im Gegensatz dazu werden in der vorliegenden Erfindung die erste und zweite neue Masche überlappt, und die Aufnahmemasche und der Fang werden nicht in einer anderen Maschenreihe gebildet, welche von der neuen Masche weg verschoben ist, und daher wird die Masche daran gehindert auszubuchten.
• (3) Die Strickeffizienz wird verbessert, da die Aufnahmemasche nicht gebildet wird und der Fang nicht ausgeführt wird.
• (4) Gemäß dem Auftrenn-Vermeidungsverfahren der vorliegenden Erfindung, bei dem die zweite neue Masche durch Bewegen des zweiten Fadenführers auf die Seite gegenüberliegend der Umhängefeder im Schritt β gebildet wird, kann das Erscheinungsbild an dem Grenzbereich von Fadeneinführen//Fadenausführen verglichen mit dem Fall, bei dem die zweite neue Masche durch Bewegung des zweiten Fadenführers auf die Seite der Umhängefeder hin gebildet wird, verbessert werden. Die Neigung der ersten neuen Masche kann daran gehindert werden, hervorzustehen, indem die zweite neue Masche, welche durch Bewegung des zweiten Fadenführers auf die Seite gegenüberliegend der Umhängefeder hin gebildet wird, mit der ersten neuen Masche überlappt wird.

The slitting prevention method of the knitting yarn of the present invention has the following effects.

• (1) The second knitting yarn is fed in the direction opposite to the capstan, and the split knitting is performed on the specific stitch to form the first new stitch, so that both board handles of the first new stitch are wound around the knitting yarn of the specific stitch can be so as to form an entangled area when the second new stitch is formed with the second knitting thread with respect to the specific stitch. Therefore, the separation of the second knitting yarn without formation of picking stitches and performing a catch can be sufficiently avoided.
• (2) The area in which the stitch of the second knitting thread appears as if it is buckling toward the knitted side of the first knitting thread can be prevented from protruding. The pickup pocket 25 and the catch 27 in the prior art ( 3 ) are formed in another course, which is about a plane with respect to the first new stitch 21 is shifted (corresponding to the first new stitch in the present invention), and therefore the first new stitch becomes 21 which is to become the stitch at the boundary end of thread feeding / threading, is pulled out to the other course side, which is supposed to be the reason why the stitch appears as if it is buckling. In contrast, in the present invention, the first and second new stitches are overlapped, and the pickup stitch and the catch are not formed in another row of stitches shifted from the new stitch, and therefore the stitch is prevented from being out of stock.
• (3) The knitting efficiency is improved because the pickup stitch is not formed and the catch is not performed.
• (4) According to the slicing-avoiding method of the present invention, wherein the second new loop is obtained by moving the second Yarn guide is formed on the side opposite to the cap spring in step β, the appearance at the border area of thread insertion can be improved compared to the case where the second new loop is formed by moving the second thread guide toward the side of the cap spring become. The inclination of the first new stitch can be prevented from protruding by overlapping the second new stitch formed by movement of the second thread guide on the side opposite the cap spring with the first new stitch.

[Brief Description of the Drawings]

1 Fig. 12 is a knitting step diagram showing a severance avoiding method of a knitting yarn according to a first embodiment;

2 (A) Fig. 10 is a photograph of a knit fabric knitted using the split avoidance method of the first embodiment, and Figs 2 B) Fig. 11 is a photograph of a knit knitted using a prior art knit avoiding method of knitting yarn;

3 Fig. 10 is a knitting step diagram showing a prior art knit avoiding method of the knitting yarn.

[Method of Carrying Out the Invention]

Hereinafter, a separation-avoiding method of a knitting yarn according to an embodiment of the present invention will be described on the basis of FIG 1 as an example, an area where the knitting yarns are changed from a base knit area to a pattern knit area when knitting a knit fabric includes the pattern knit area at the center of the base knit area is taken as an example. For such knitting, a two-bed flat knitting machine is used which comprises a pair of needle beds which extend in a transverse direction and are opposed to each other in a front and rear direction, and in which stitches can be transferred between the front and back needle beds, and wherein at least one needle bed can be offset.

<First Embodiment>

1 FIG. 10 is a knitting step diagram associated with a knitting yarn slitting avoidance method shown in a first embodiment. FIG. A basic knitted area 10 is knitted with a first knitting thread 1 (thin line) supplied from a first yarn guide (not shown), a second knitting yarn 2 (thick line) from a second yarn guide 4 is fed is introduced in a knitting width direction, and a knitted fabric, which is a band-shaped pattern knitted area 20 is in the basic knitting area 10 knitted. When the thread insertion is performed, the basic knit area corresponds 10 the existing knitwear area. Knitting threads of different colors and types can be considered the first knitting thread 1 and as the second knitting thread 2 be used. A knitting operation in which a separation of an unusable or redundant knitting thread end 29 of the second knitting thread 2 which occurs at the time when the knitting yarns 1 . 2 is changed, is described by way of example. "S + Number", enclosed with a frame on the left side of 1 , denotes the number of the knitting step, FB denotes the front needle bed, BB denotes the rear needle bed, and black dots A to F and a to f denote the knitting needles.

The latch needles (not shown) are arranged in a row on each needle bed. The latch needle is a knitting needle that opens and closes a hook disposed at a distal end portion of a needle shaft through the bend of the shaft, and a capping spring for hanging is disposed on a side of the needle shaft. In the present example, the cap spring is arranged for hanging on the right side of the knitting needle of the needle bed FB (left side of the knitting needle of the needle bed BB) when the needle bed is in 1 from the side of the needle bed FB, and in the following description, the right side of FIG 1 is defined as the cap spring side, and the left side is defined as the side opposite the cap spring, the side of the needle bed FB being used as a reference. In the figure, the knitting needles of the needle beds FB and BB are shown directly opposite to each other, but actually each hook of the needle bed BB is slightly shifted with respect to the hook of the needle bed FB to the right side of the figure, so that the hook of each knitting needle between the Needle shaft and the transfer spring of the knitting needle can be inserted in the opposite needle bed.

S0 shows a state in which the basic knit area 10 on the needle bed FB with the first knitting thread 1 is knitted using the first thread guide, and wherein the second thread guide 4 moved to the right side, so the second knitting thread 2 is fed to the right to the needle bed nip.

In S1, the stitch hanging on the knitting needle C of the needle bed FB becomes one specific mesh 12 selected, and a stitch leading to a starting end of the pattern fabric area 20 will become below to the specific mesh 12 knitted. First, the second thread guide 4 concerning the specific mesh 12 moves to the right side, and then a split-knit at the specific stitch 12 performed while the second yarn guide 4 is beaten back to the left side. Split-knitting is a type of knitting method used in JP 2604653 B1 and the like, and in particular draws the second knitting thread 2 from the specific mesh 12 out while the specific mesh 12 on the knitting needle c of the needle bed BB is umgehängt to a first new stitch 21 to form on the knitting needle C of the needle bed FB (step α). In the present example, the kickback is performed to the left side because the feeding of the second knitting thread 2 from the right-hand feeding has been started, but if the second knitting thread 2 from the beginning in the left direction, the split-knitting can be performed as usual.

In S2, the second yarn guide 4 unique regarding the specific mesh 12 moved to the right side (first new stitch 21 ). This movement is an introductory method of feeding the second knitting thread 2 in the left direction from the right side of the specific mesh 12 in the next step S3, and is not indispensable.

In S3, the second thread guide 4 knocked back and moved to the left, and a second new stitch 23 moving in the direction of the mesh of the specific mesh 12 is continuing is formed (step β). That means the second new stitch 23 hangs around the knitting needle c of the needle bed BB. According to knitting the second new stitch 23 Both board handles hang the first new stitch 21 concerning the first knitting thread 1 that the specific mesh 12 forms, wrapped in a state by crossover between the remote side and the near side in the plane of the drawing of 1 ,

In S4, the second new stitch 23 on the knitting needle C of the needle bed FB umgehängt and with the first new stitch 21 overlaps (step γ). Subsequently, the pattern knit area for a predetermined stitch course on the right side is knitted with respect to the knitting needle C comprising the knitting needle C of the needle bed FB with the second knitting yarn, and the basic knitting area becomes for a predetermined course up to the knitting needle B of the needle bed FB with the first knitting thread knitted (not shown). In this case, the knitting portions are connected by knitting a catch and the like with the knitting yarn for knitting the one knitting portion on the knitting needle, around which the stitches of the other knit portion hang at the boundary extending in the wale direction of the base knit portion and the pattern knit portion.

2 (A) FIG. 14 shows an example of the knit fabric on which a separation prevention is performed according to the method described above. An area that appears as a white base represents the base knit area 10 which is the first knitting thread 1 A strip-like area that appears as a black base is part of the pattern fabric area 20 that with the second knitting thread 2 has been knitted. A lower left corner of the pattern fabric area 20 is the thread insertion area of the second knitting thread 2 , and the stitches of the second knitting thread 2 , which form such a corner, hardly booked to the side of the basic knitting area 10 out. This is assumed because the severing on the first course of the pattern fabric area 20 is avoided and the receiving pocket and the catch not by overlapping the first new stitch 21 and the second new stitch 23 from 1 can be used so that the stitch of the lower left corner of the pattern fabric area 20 not to the base knit area 10 pulled out. On the other hand, if the separation avoidance of the Fadeneinführbereiches the pattern fabric area 20 according to the patent document 1 is performed, the stitched stitches of the second knitting yarn 2 , which is the lower left corner of the pattern fabric area 20 forms, to the side of the basic knitted area 10 out, like in 2 B) shown.

Therefore, according to the severance avoidance method of the present example, the severing of the second knitting yarn can be performed 2 be reliably and efficiently avoided without the receiving pocket is formed and the catch is performed. In particular, the second new stitch will 23 in the step β by feeding the second knitting yarn 2 formed to the left, so that the appearance at the border region of the thread insertion can be improved as compared with the case where the second knitting thread 2 is fed to the right and the second new stitch 23 is formed. The second new stitch 23 by feeding the second knitting thread 2 is formed to the left, with the first new mesh 21 overlaps, so the inclination of the first new stitch 21 does not protrude.

<Second Embodiment>

In the first embodiment, the method of processing the unusable knitting thread end in the case of threading the second knitting yarn with respect to the yarn was introduced Basis knit area described that has been knitted with the first knitting yarn for knitting the pattern fabric area. The slitting prevention method of the present invention can also be used in the processing of the unnecessary knitting thread in the case of threading the second knitting yarn with which the knitting of the pattern knitting area is stopped and the knitting of the basic knitting area by the first knitting thread continues. When performing the threading, the pattern knit area corresponds to the existing knit area.

For example, if the threading of the second knitting thread 2 at the upper left corner of the pattern fabric area of 2 (A) is performed, becomes the second knitting thread 2 fed in the left direction in the needle bed FB, and the last course of the pattern knit area 20 is knit to a stitch before the final end (left end) in the knitting width direction. With the stitch of the terminal end (left end) in the knitting width direction of the pattern knit area 20 in the course a stitch row before the last stitch row as the specific stitch becomes the second knitting thread 2 fed to the left, while the specific stitch is transferred to the opposite knitting needle of the needle bed BB for performing a split knitting. In particular, the first new stitch is made by pulling out the second knitting thread 2 is obtained from the specific stitch, formed on the knitting needle of the needle bed FB, which is opposite to the knitting needle of the needle bed BB, on which the specific stitch is transferred. The second knitting thread 2 is then fed to the right or to the left with respect to the specific stitch hanging around the knitting needle of the needle bed BB, to form a second new stitch which is continued in the direction of the wales of the specific stitch. The second new stitch is overlapped with the first new stitch.

In the processing of the unusable knitting thread end in the thread execution are also the first and second new stitch, which with the same second knitting thread 2 are overlapped with each other, and such overlapped new stitches form the final stitch row of the pattern knit area 20 such that the stitch of the terminal end in the knit width direction is in the final stitch row of the pattern knit area 20 does not appear as if it is to the side of the base knit area 10 bulges out. Looking at the upper left corner of the pattern fabric area 20 in 2 (A) Book the stitch of the second knitting thread 2 , which forms the corresponding corner, hardly to the side of the basic knitted area 10 out. In contrast, the processing range of the unusable knitting thread end through the yarn feeding using the slitting avoidance method of Patent Document 1 is made to the side of the base knit area 10 off when the stitch, which is the upper left corner of the pattern fabric area 20 out 2 B) forms, is considered.

<Third Embodiment>

In the first embodiment, the second new stitch is moved to the left side by movement of the second thread guide 1 formed in step β, but the second new stitch can be formed by moving the second thread guide to the right side. In this case, it is not necessary to repulse the second thread guide 4 to perform, which is performed between S2 and S3 in the first embodiment, and the separation can be avoided even more efficiently.

In each of the above-described embodiments, the knitting example has been described using the latch needle, but the slitting avoidance method according to the present invention can be performed as well with the flat knitting machine having other knitting needles having a transfer spring on one side of the needle shaft, such as a needle knitting needle needle. In addition, the flat knitting machine used may be a four-bed type.

LIST OF REFERENCE NUMBERS

1

first knitting thread

10

Basic fabric region

12

specific mesh

2

second knitting thread

20

Pattern fabric region

21

first new stitch

23

second new stitch

25

recording scam

27

fishing

29

unusable knitting thread end

3

first thread guide

4

second thread guide

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• WO 2007/119272 [0009]
• JP 2604653 B1 [0026]

Claims (2)

A slitting-avoiding method of a knitting thread for working an unusable knitting thread-end ( 29 ) produced when knitting yarns in the middle of knitting of a fabric are changed by using a flat knitting machine having at least a pair of needle beds (FB, BB) in which a plurality of knitting needles are arranged in rows, all of which are a transfer spring on one side of a needle shank, and in which the needle beds are disposed opposite to each other in a front and rear direction with a needle bed gap therebetween, and a first thread guide ( 3 ) and a second thread guide ( 4 ) for feeding in each case a first knitting thread ( 1 ) and a second knitting thread ( 2 ) to the needle bed nip, the loops being suspendable in the front and back needle beds (FB, BB), the method comprising the steps of: defining a side with the wrap spring on each knitting needle as a wrap spring side and a side without the wrap spring as a side opposite to the cap spring in each needle bed (FB, BB); a step α for transferring a through the first knitting thread ( 1 ) or the second knitting thread ( 2 ) knitted specific stitch ( 12 ) of the stitches of an existing knit section hanging from one needle bed (FB) to the other needle bed (BB) and moving the second thread guide ( 4 ) on the side opposite the cap spring of a needle bed (FB) out and pulling out the second knitting thread ( 2 ) from the specific mesh ( 12 ), with a first new mesh ( 21 ) is formed on the one needle bed (FB); a step β for forming a second new mesh ( 23 ) to the specific mesh ( 12 ) on the other needle bed (BB) with the second knitting thread ( 2 ) has been umgehängt; and a step γ for overlapping the second new mesh ( 23 ) with the first new stitch ( 21 ) of the opposite needle bed (FB). The knitting yarn severance avoidance method according to claim 1, wherein the second new stitch ( 23 ) by movement of the second thread guide ( 4 ) is formed on the side opposite to the cap spring in step β.

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