JPWO2007058090A1 - Processing method for knitting yarn joints - Google Patents

Abstract

SUMMARY OF THE INVENTION An object of the present invention is to provide a method for treating a knitting yarn joining portion capable of accurately switching knitting yarns at an arbitrary position of the knitting width and cutting and removing the joining portion of the knitting yarn from the knitted fabric. is there. A piecing unit that joins the knitting yarn by joining the knitting yarn in use with a knitting yarn selected from a plurality of knitting yarns for switching, and at least two yarn gripping portions that are movable along the needle bed In a flat knitting machine having a yarn gripping means and a yarn cutting means, a knitting yarn A and a switching knitting yarn B are spliced by a piecing means, and a joining portion of the knitting yarn A and the knitting yarn B is joined. Before and after, the knitting yarn A and the knitting yarn B are respectively gripped by the yarn gripping means, and the knitting yarn A and the knitting yarn B on the side not including the joined portion of the knitting yarn A and the knitting yarn B gripped by the yarn gripping means are cut. At the same time, when the knitting yarn B is cut, a portion to be an end yarn of the knitting yarn B used for knitting is grasped by the yarn grasping means, and the cut end including the joined portion is removed from the knitted fabric during the knitting.

Description

  The present invention is a flat knitting machine equipped with a yarn splicing device that joins and switches a replacement yarn to a knitting yarn used for knitting, and cuts and removes a joined portion of the spliced knitting yarn while removing a multicolor pattern or the like. The present invention relates to a method of processing a knitting yarn joining portion for knitting.

  Conventionally, when knitting an Intarsia pattern or a border pattern, a yarn that joins knitting yarns of different properties to the knitting yarn being knitted and switches the color, etc. by a yarn splicing device such as a knotter or splicer provided in a flat knitting machine A splice has been made. If the knitted yarns that have been spliced are used, it is possible to feed knitting yarns having different properties such as color at one yarn feeder. For example, Patent Document 1 and Patent Document 2 disclose a knitting method for accurately switching stitched knitting yarns.

  In Patent Document 1, the properties of a knitting yarn can be switched at an accurate knitting position by a flat knitting machine equipped with yarn processing means, and after knitting to the switching position, a knitting yarn having a predetermined length is knitted. Is disclosed.

In Patent Document 2, before knitting or after knitting, the yarn feeding port is stopped after knitting to the end of the knitting width, the knitted yarn that has been spliced is pulled out beyond the joint portion, and the knitting yarn used for knitting It is disclosed that a portion exceeding the joined portion of the drawn knitting yarn is restrained by a restraining member, knitting is continued with the knitting yarn for switching, and the knitting yarn is cut between the knitting end and the restraining member.
Japanese Patent No. 2816784 Japanese Patent Publication No. 3-27660

  The prior art disclosed in Patent Document 1 accurately switches knitting yarns at an arbitrary position of the knitting width, and after knitting to the switching position, pulls out a knitting yarn having a predetermined length by a knitting operation. Therefore, when it is desired to remove the joined portion of the knitting yarn from the knitted fabric, a post process is required.

  The prior art disclosed in Patent Document 2 can switch the knitting yarn at the end of the knitting width. However, the knitting yarn cutting device is provided at the end of the needle bed, and the drawn knitting yarn and the joined portion are cut and removed at the end of the needle bed, so that the knitting yarn is not switched within one knitting course of the knitted fabric. Can be knitted, but the knitting yarn is switched within one knitting course. For example, in the case of an intarsia pattern, the end yarn after cutting appears on the surface of the knitted fabric, and the end yarn needs to be processed in the subsequent process. Not suitable.

  SUMMARY OF THE INVENTION An object of the present invention is to provide a method for treating a knitting yarn joining portion capable of accurately switching knitting yarns at an arbitrary position of the knitting width and cutting and removing the joining portion of the knitting yarn from the knitted fabric. is there.

  The present invention relates to a piecing unit that joins a knitting yarn by joining a knitting yarn selected from a plurality of knitting yarns for switching, and a knitting yarn that is movable along a needle bed. A knitting yarn joining portion in a flat knitting machine comprising: a yarn gripping means having at least two thread gripping portions to grip; and a yarn cutting means capable of moving along the needle bed and cutting the yarn gripped by the thread gripping means. The knitting yarn A being used and the switching knitting yarn B are spliced by the splicing means, and the knitting yarn A and the knitting yarn before and after the joining portion of the knitting yarn A and the knitting yarn B. Each of B is gripped by the thread gripping means, each of the knitting yarn A and the knitting yarn B not including the joined portion of the knitting yarn A and the knitting yarn B gripped by the thread gripping means is cut, and the knitting yarn B is cut. Sometimes the end yarn of the knitting yarn B used for knitting is gripped by the yarn gripping means, and the knitted fabric is removed from the knitted fabric during knitting. It is a processing method of the knitting yarn junctions and removing the scraps containing coupling portion.

Moreover, the processing method of the knitting yarn joined portion of the present invention is characterized by including the following steps:
a) The yarn gripping means has first and second yarn gripping portions, and the knitting yarn A after piecing is placed between the needle and the joint portion of the needle bed by both the first and second yarn gripping portions. The step of gripping,
b) The knitting yarn A is held between the first and second yarn gripping portions and the joining portion by the yarn holding means for holding the knitting yarn disposed at the end of the needle bed or outside the needle bed. Step,
c) cutting the knitting yarn A after piecing between the first and second yarn gripping portions by a yarn cutting means;
d) releasing the gripping at the first yarn gripping portion that grips the end yarn of the knitting yarn A on the needle bed side;
e) releasing the second yarn gripping portion for gripping the end yarn of the knitting yarn A on the yarn feeder side;
f) moving the yarn feeder through which the knitted yarn A and the knitting yarn B are inserted, along the needle bed, and pulling out the joint portion;
g) a step of gripping the knitting yarn B between the joint portion and the yarn feeder by both the first and second yarn gripping portions;
h) a step of cutting the knitting yarn B between the first and second yarn gripping portions by a yarn cutting means;
i) One end is gripped by the second thread gripping part and the other end is held by the thread holding means, and the cut end including the joining portion is moved outward of the needle bed by the second thread gripping part, Releasing the grip and releasing the holding by the thread holding means to remove the cut end.

Moreover, the processing method of the knitting yarn joined portion of the present invention is characterized by including the following steps:
a) The yarn gripping means has first and second yarn gripping portions, and the knitting yarn A after piecing is placed between the needle and the joint portion of the needle bed by both the first and second yarn gripping portions. The step of gripping,
b) cutting the knitting yarn A after piecing between the first and second yarn gripping portions by a yarn cutting means;
c) releasing the gripping at the first yarn gripping portion that grips the end yarn of the knitting yarn A on the needle bed side;
d) moving at least one of the second thread gripping portion and the yarn feeder along the needle bed and pulling out the joint portion;
e) Step of gripping the knitting yarn B between the joint portion and the yarn feeder by the first yarn gripping portion;
f) a step of cutting the knitting yarn B between the first yarn gripping portion and the joining portion by the yarn cutting means;
g) A step of releasing the broken end by removing the broken end including the joining portion and having one end gripped by the second thread gripping portion by the second thread gripping portion.

  Further, the present invention releases the grip after moving the yarn gripping means gripping the end yarn into the knitting width so that the end yarn of the knitting yarn A and the end yarn of the knitting yarn B do not appear on the surface of the knitted fabric. Thus, the end yarn is inserted.

  Further, the present invention is characterized in that unraveling is performed at the end of knitting of the knitting yarn A and at the start of knitting of the knitting yarn B.

  Further, the present invention is characterized in that the cut end removed from the knitted fabric is discarded by a discarding device provided at the end of the needle bed or outside the needle bed.

  According to the present invention, the used knitting yarn and the knitting yarn for switching, which have been spliced by the yarn splicing device, are gripped by the yarn gripping means having at least two yarn gripping portions on both sides of the joining portion, and the yarn cutting means Since it cut | disconnects, it can remove from a knitted fabric during knitting, hold | grip the cut end containing a junction part after the cutting | disconnection with the said thread | yarn grasping means. Further, since the yarn gripping means and the yarn cutting means that are movable along the needle bed are used, it is possible to accurately switch the knitting yarn and remove the joint portion at an arbitrary position of the knitting width. Further, since the joint portion is removed during knitting, a post-process for removing the joint portion is not necessary, and a knitted fabric that does not feel uncomfortable due to the joint portion when worn can be obtained.

  According to the present invention, the spliced knitting yarn is gripped by the first yarn gripping portion and the second yarn gripping portion between the needle and the joint portion of the needle bed and held by the yarn holding means, and then the two yarns are held. Cutting the spliced knitting yarn between the gripping portions, releasing the gripping, then moving the yarn feeder and pulling out the joint portion, and then splicing the yarn between the joint portion and the yarn feeder Is held by the first yarn gripping portion and the second yarn gripping portion, and the knitted yarn spliced between the two yarn gripping portions is cut. The joined portion can be cut and removed without being held by the thread holding means. Further, since the cut end after the cutting is moved to the outside of the needle bed by the thread gripping means, it is removed, so that the processing can be performed without leaving the cut end on the needle bed.

  According to the invention, the spliced knitting yarn is gripped by the first yarn gripping portion and the second yarn gripping portion between the needle and the joint portion of the needle bed, and then the yarn is interposed between the two yarn gripping portions. Cut the spliced knitting yarn, release the grip of the first yarn gripping portion, then move at least one of the yarn feeder and the second yarn gripping portion along the needle bed and pull out the joint portion, then the joint portion A yarn that holds the knitting yarn because the knitted yarn spliced between the yarn feeder and the yarn feeder is gripped by the first yarn gripping portion, and the knitted yarn spliced between the two yarn gripping portions is cut. The spliced knitting yarn can be cut on both sides of the joining portion without using a holding means.

  Further, according to the present invention, the yarn gripping means that grips the end yarn is moved into the knitting width so that the cut end yarn does not appear on the surface of the knitted fabric, and then the grip is released and the end yarn is inserted. A post-process for treating the end yarn after knitting becomes unnecessary, and the production efficiency can be improved.

  Further, according to the present invention, since the unwinding is performed at the end of knitting of the knitting yarn during knitting and the start of knitting of the switching knitting yarn, it is possible to prevent the yarn from being unwound after the joint portion is cut and removed.

  Further, according to the present invention, since the cut end including the cut and removed joining portion is discarded by the discarding device provided on the needle bed end portion or outside the needle bed, the cut end can be easily processed.

The front view which shows schematic structure of the flat knitting machine which concerns on an Example. FIG. 3 is a view showing processing of a knitting yarn joining portion according to Embodiment 1. FIG. FIG. 10 is a view showing processing of a knitting yarn joining portion according to Embodiment 2. FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Flat knitting machine, 2 ... Cylindrical knitted fabric, 3 ... Yarn cone, 4, 5 ... Knitting yarn, 6 ... Joining part, 7 ... Splicer, 8 ... Yarn feeder, 9 ... First yarn gripping part, 10 ... First 2 thread gripping part, 11 ... thread holding part, 12 ... discarding device, 13 ... frame, 14 ... needle bed, 15 ... carriage

  As a preferred embodiment of the present invention, a method of processing a knitting yarn joining portion capable of accurately switching knitting yarn at an arbitrary position of the knitting width and cutting and removing the joining portion of the knitting yarn will be described below with reference to the drawings. explain.

  FIG. 1 is a front view illustrating a schematic configuration of a flat knitting machine 1 according to the first and second embodiments. The flat knitting machine 1 holds a knitting yarn other than the knitting yarn 4 used for knitting among a plurality of knitting yarns supplied from the yarn cone 3 with a splicer 7 and inserts the knitting yarn 4 into the yarn feeder 8. Then, using the needles on the needle bed 14, the tubular knitted fabric 2 is knitted while switching the knitting yarn 5 selected from the knitting yarn 4 and a plurality of knitting yarns by splicing the splicer 7. The knitting is performed by reciprocating the carriage 15 in the left-right direction in FIG. 1 on a needle bed 14 provided on the frame 13.

  A yarn feeder 8 that feeds the knitting yarn 4 to the needles of the needle bed 14 is slidably supported by a rail (not shown), and is taken along by, for example, a carriage 15 and moves along the needle bed 14. Similarly, the first thread gripping part 6 and the second thread gripping part 10 which are thread gripping means are also slidably supported on a rail (not shown) and individually move along the needle bed 14. The first thread gripping part 9 and the second thread gripping part 10 in Examples 1 and 2 have the same mechanism as the first gripper and the second gripper disclosed in, for example, JP-A-2005-89933. . A cutter which is a thread cutting means (not shown) is also slidably supported by a rail (not shown) and moves along the needle bed 14. The cutter according to the first embodiment performs a cutting operation depending on the operations of the first gripper and the second gripper as disclosed in JP-A-2005-89933. The cutter according to the second embodiment performs a cutting operation without depending on the operations of the first yarn gripping portion 9 and the second yarn gripping portion 10.

  On the frame 13 on the outer side of the needle bed 14, a thread holding unit 11 that is a thread holding means and a discarding device 12 that discards the cut and removed pieces are provided. The yarn holding unit 11 has a mechanism similar to that of a hook of a knitting yarn holding and cutting device disclosed in, for example, JP-A-2005-48337. The discarding device 12 is a suction device that sucks air, for example, and collects the sucked pieces into a dust collection container (not shown).

<Example 1>
FIG. 2 shows processing steps of the knitting yarn joining portion 6 according to the first embodiment. S1 to S11 indicate the number of steps, and F and B indicate the front needle bed and the rear needle bed, respectively. For the convenience of explanation, the tubular knitted fabric 2 is knitted with a front knitted fabric with a needle in the front needle bed F, knitted with a back knitted fabric with a needle in the rear needle bed B, and knitted with a tentacle. The state of the end is shown. The knitting yarn 4 and the knitting yarn 5 are not shown on the knitting yarn supply source side of the yarn feeder 8. Further, the first thread gripping part 9, the second thread gripping part 10, the thread holding part 11 and the discarding device 12 are not shown in the case where they are not particularly actuated in each step.

  In step 1, the knitted yarn 4 is fed from the yarn feeder 8 to the needles before and after the needle bed 14, and the tubular knitted fabric 2 is knitted.

  In step 2, after knitting to the knitting end of the front side knitted fabric of the tubular knitted fabric 2 with the knitting yarn 4, it is tucked with the needles of the rear needle bed B to prevent the knitting.

  In step 3, the yarn feeder 8 is moved to the outside of the needle bed 14. At this time, the yarn feeder 8 moves so that the yarn holding part 11 can hold the knitting yarn 4 in the following step 4. The knitting yarn 4 is spliced to a knitting yarn 5 selected from a plurality of knitting yarns having different properties by a splicer 7 before the yarn feeder 8 moves.

  In step 4, the knitting yarn 4 spliced between the needle of the needle bed 14 and the yarn feeder 8 in step 3 by the first yarn gripping portion 9 and the second yarn gripping portion 10 is replaced with the needle of the needle bed 14. The knitting yarn 2 is held between the joint portions 6, and the knitting yarn 2 is further held between the second yarn grip portion 10 and the joint portion 6 by a yarn holding portion 11 disposed on the frame 13. In the figure, the first yarn gripping portion 9 and the second yarn gripping portion 10 grip the knitting yarn 4 outside the knitting width, but they may be gripped within the knitting width.

  Step 5 cuts the knitting yarn 4 between the first yarn gripping portion 9 and the second yarn gripping portion 10 with a cutter (not shown). After the knitting yarn 4 is cut, the end yarn 4a and the end yarn 4b are held by the first yarn holding portion 9 and the second yarn holding portion 10, respectively.

  Step 6 releases the gripping of the end yarn 4a and the end yarn 4b. When the position for gripping the end yarn 4a is outside the knitting width, the first yarn gripping portion 9 is moved into the knitting width so that the end yarn does not appear on the surface of the knitted fabric after the knitting is finished. Is released. When the position where the end yarn 4a is held is within the knitting width, the end yarn 4a may be released without moving the first yarn holding portion 9 as shown in Step 6 of FIG. The second thread gripping portion 10 moves outward from the needle bed 14 and releases the gripping of the end thread 4b.

  Step 7 moves the yarn feeder 8 toward the needle bed 14 and pulls out the knitting yarn 4 and the knitting yarn 3 including the joint portion 6. The joint portion 6 is positioned between the yarn feeder 8 and the yarn holder 11 by the drawing. In addition, illustration of the cylindrical knitted fabric 2 knitted with the knitting yarn 4 is omitted after step 7.

  In step 8, the drawn knitting yarn 5 is gripped by the first yarn gripping portion 9 and the second yarn gripping portion 10 between the joint portion 6 and the yarn feeder 8.

  Step 9 cuts the knitting yarn 5 between the first yarn gripping portion 9 and the second yarn gripping portion 10 with the cutter (not shown). After the knitting yarn 5 is cut, the end yarn 5a and the end yarn 5b are held by the first yarn holding portion 9 and the second yarn holding portion 10, respectively.

  Step 10 moves the second thread gripping part 10 to the outside of the needle bed 14 to release the gripping of the end thread 5b. At this time, the cut end including the end yarn 5b, the joining portion 6 and the end yarn 4b is held by the yarn holding portion 11.

  In step 11, the holding of the broken end is released by the yarn holding unit 11, the broken end is discarded by the discarding device 12, and the first yarn holding unit 9 holding the end yarn 5a of the knitting yarn 5 used for knitting is knitted width After moving to the knitting start position, the needles on the front needle bed F are tucked to stop the knitting, and then knitting is continued.

  In the first embodiment, the thread holding unit 11 disposed on the frame 13 is used. However, a third thread gripping part similar to the first thread gripping part 9 and the second thread gripping part 10 may be used.

  Further, in order to shorten the length of the cut end that is cut and removed in the first embodiment, it is preferable that the joining portion 6 of the knitting yarn 4 and the knitting yarn 3 is located near the yarn holding portion 11 in Step 3.

  Further, in order to shorten the length of the cut end to be cut and removed in the first embodiment, the knitting yarn 5 is grasped by the first yarn grasping portion 9 and the second yarn grasping portion 10 in the vicinity of the joining portion 6 in Step 8. It is preferable.

<Example 2>
Next, the processing method of the knitting yarn joining part by Example 2 is demonstrated. Example 2 shows an example in which the yarn holding part 11 used in Example 1 is not used. FIG. 3 shows processing steps of the knitting yarn joining portion 6 according to the present embodiment.

  Steps 1 and 2 are performed in the same manner as in the first embodiment.

  In step 3, the yarn feeder 8 is moved outwardly of the needle bed 14 and pulled out to a length that allows the knitting yarn 4 to be gripped. The knitting yarn 4 is spliced to a knitting yarn 5 selected from a plurality of knitting yarns having different properties by a splicer 7 before the yarn feeder 8 moves.

  In step 4, the knitting yarn 2 spliced between the needle of the needle bed 14 and the yarn feeder 8 in step 3 by the first yarn gripping portion 9 and the second yarn gripping portion 10 is replaced with the needle of the needle bed 14. Grip between the joint portions 6. In the figure, the first yarn gripping portion 9 and the second yarn gripping portion 10 grip the knitting yarn 4 within the knitting width, but they may be gripped outside the knitting width.

  Step 5 cuts the knitting yarn 4 between the first yarn gripping portion 9 and the second yarn gripping portion 10 with a cutter (not shown).

  Step 6 releases the gripping of the end yarn 4a. When the position where the end yarn 4a is held is within the knitting width, the end yarn 4a may be released without moving the first yarn holding portion 9. When the position where the end yarn 4a is gripped is outside the knitting width, the first yarn gripping portion 9 is placed in the knitting width so that the end yarn does not appear on the surface of the knitted fabric after knitting as shown in step 6 of FIG. The rear end yarn 4a that has moved to is released.

  In step 7, the yarn feeder 8 is moved toward the needle bed 14, and the knitting yarn 4 and the knitting yarn 5 including the joint portion 6 are pulled out.

  In step 8, the drawn knitting yarn 5 is gripped by the first yarn gripping portion 9 between the joint portion 6 and the yarn feeder 8.

  Step 9 cuts the knitting yarn 5 between the first yarn gripping portion 9 and the second yarn gripping portion 10 with the cutter (not shown). After the knitting yarn 5 is cut, the end yarn 5a is gripped by the first yarn gripping portion 9. At this time, the cut end including the end yarn 5b, the joining portion 6 and the end yarn 4b is held by the second yarn holding portion 10.

  Step 10 moves the second thread gripping part 10 to the outside of the needle bed 14.

  Step 11 releases the gripping of the broken end by the second yarn gripping unit 10, discards the broken end by the discarding device 12, and grips the end yarn 5a of the knitting yarn 5 used for knitting. Is moved to the knitting start position within the knitting width, and then the knitting is continued after tucking the needles of the front needle bed F to release them.

  In order to shorten the yarn length of the cut end that is cut and removed in the second embodiment, the yarn length from the knitting yarn 4 pulled out in Step 3 to the joining portion 6 with the knitting yarn 5 is set to the first yarn gripping portion 9 and the second yarn. It is preferable to set the length to a minimum that can be gripped by both of the gripping portions 10.

  In order to shorten the length of the cut end that is cut and removed in the second embodiment, it is preferable that the knitting yarn 5 is gripped by the first yarn gripping portion 9 in the vicinity of the joint portion 6 in Step 8.

  Further, in order to shorten the yarn length of the end yarn 4a remaining on the knitted fabric after cutting, in the respective steps 4 of the first and second embodiments, the first yarn gripping portion 9 is used in the vicinity of the position where the knitting yarn 4 is unwound. It is preferable to grip.

  In the first and second embodiments, it has been described that the switching of the knitting yarn is performed at the knitting end of the tubular knitted fabric 2, but it may be performed in the middle of the knitting width of the tubular knitted fabric 2. After the knitting of F, an arbitrary number of stitches is knitted on the rear needle bed B, and then tucked to prevent unwinding. Thereafter, the same steps as in the first embodiment may be performed.

  In Examples 1 and 2, the end of knitting with the knitting yarn 4 and the start of knitting with the knitting yarn 5 are prevented by forming the knot disclosed in Japanese Patent No. 3099304 by knitting in addition to the tack. A knitting method or the like may be used.

  Although the first embodiment has been described using the cutter that performs the cutting operation depending on the operations of the first thread gripping portion 9 and the second thread gripping portion 10, as shown in the second embodiment, the first thread gripping portion 9 and the first thread gripping portion 9 A cutter that does not depend on the operation of the two-thread gripping unit 10 may be used.

  In Examples 1 and 2, in discarding the cut ends, the holding by the yarn holding unit 11 may be released and then the holding by the second yarn holding unit 10 may be released or may be released at the same time.

  Further, the discarding device 12 may blow out air and send the cut ends to the dust collecting container.

Claims (6)

  A piecing means for joining the knitting yarn by joining the knitting yarn in use with a knitting yarn selected from a plurality of knitting yarns for switching, and at least two for moving along the needle bed and gripping the knitting yarn A processing method of a knitting yarn joining portion in a flat knitting machine comprising: a yarn gripping means having two thread gripping portions; and a yarn cutting means that is movable along the needle bed and that cuts the yarn gripped by the yarn gripping means. The knitting yarn A being used and the switching knitting yarn B are spliced by the piecing means, and the knitting yarn A and the knitting yarn B are respectively threaded before and after the joining portion of the knitting yarn A and the knitting yarn B. The knitting yarn A and the knitting yarn B, which are gripped by the gripping means and do not include the joined portion of the knitting yarn A and the knitting yarn B, which are gripped by the yarn gripping means, are cut and used for knitting when the knitting yarn B is cut. The portion that becomes the end yarn of the knitting yarn B to be gripped is gripped by the yarn gripping means, and the joining portion is removed from the knitted fabric during knitting. Processing method of the knitting yarn junctions, and removing the non-snips. The processing method of the knitting yarn joining portion according to claim 1 includes the following steps:
a) The yarn gripping means has first and second yarn gripping portions, and the knitting yarn A after piecing is placed between the needle and the joint portion of the needle bed by both the first and second yarn gripping portions. The step of gripping,
b) The knitting yarn A is held between the first and second yarn gripping portions and the joining portion by the yarn holding means for holding the knitting yarn disposed at the end of the needle bed or outside the needle bed. Step,
c) cutting the knitting yarn A after piecing between the first and second yarn gripping portions by a yarn cutting means;
d) releasing the gripping at the first yarn gripping portion that grips the end yarn of the knitting yarn A on the needle bed side;
e) releasing the second yarn gripping portion for gripping the end yarn of the knitting yarn A on the yarn feeder side;
f) moving the yarn feeder through which the knitted yarn A and the knitting yarn B are inserted, along the needle bed, and pulling out the joint portion;
g) a step of gripping the knitting yarn B between the joint portion and the yarn feeder by both the first and second yarn gripping portions;
h) a step of cutting the knitting yarn B between the first and second yarn gripping portions by a yarn cutting means;
i) One end is gripped by the second thread gripping part and the other end is held by the thread holding means, and the cut end including the joining portion is moved outward of the needle bed by the second thread gripping part, Releasing the grip and releasing the holding by the thread holding means to remove the cut end. The processing method of the knitting yarn joining portion according to claim 1 includes the following steps:
a) The yarn gripping means has first and second yarn gripping portions, and the knitting yarn A after piecing is placed between the needle and the joint portion of the needle bed by both the first and second yarn gripping portions. The step of gripping,
b) cutting the knitting yarn A after piecing between the first and second yarn gripping portions by a yarn cutting means;
c) releasing the gripping at the first yarn gripping portion that grips the end yarn of the knitting yarn A on the needle bed side;
d) moving at least one of the second thread gripping portion and the yarn feeder along the needle bed and pulling out the joint portion;
e) Step of gripping the knitting yarn B between the joint portion and the yarn feeder by the first yarn gripping portion;
f) a step of cutting the knitting yarn B between the first yarn gripping portion and the joining portion by the yarn cutting means;
g) A step of releasing the broken end by removing the broken end including the joining portion and having one end gripped by the second thread gripping portion by the second thread gripping portion.   Insert the end yarn by releasing the grip after moving the yarn gripping means that grips the end yarn into the knitting width so that the end yarn of the knitting yarn A and the end yarn of the knitting yarn B do not come out on the surface of the knitted fabric The method for treating a knitting yarn joined portion according to any one of claims 1 to 3, wherein:   The method for treating a knitting yarn joining portion according to any one of claims 1 to 4, characterized in that unraveling is performed at the end of knitting of the knitting yarn A and at the beginning of knitting of the knitting yarn B.   The knitting yarn joining portion according to any one of claims 1 to 5, wherein the cut end removed from the knitted fabric is discarded by a disposal device provided at an end of the needle bed or outside the needle bed. Processing method.

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