CN111621913B - Parallel copying method for clamping bottom - Google Patents

Abstract

The invention provides a flat-off method of a jacket bottom, which respectively uses a connecting coil of a body and sleeves and a sleeve coil adjacent to the connecting coil as a flat-off base coil to sequentially flat-off the body and the sleeves, can avoid the phenomena of missed stitches, wrong stitches and the like, and forms a flat position at the jacket bottom, thereby not only enabling the body and the sleeves to be smoothly connected in a transition way and effectively improving the quality of knitted clothes, but also conforming to the shape of the armpit of a human body and well adapting to the stretching change of the armpit part when the upper limbs of the human body move, and having comfortable wearing, good fitting property and beautiful appearance.

Description

Parallel copying method for clamping bottom

Technical Field

The invention relates to the technical field of knitting, in particular to the technical field of full-forming knitting, and specifically relates to a flat copying method of a sandwich bottom.

Background

The full-fashioned knitted fabric is a knitted fabric which is knitted in a three-dimensional manner at a time by a knitting machine, for example, a circular knitting machine or a computerized flat knitting machine, and is also called a "knit-and-wear" knitted fabric because it is integrally knitted and can be worn directly without any sewing after being taken off from the knitting machine.

In the case of a knitted garment with sleeves, such as a sweater and a pullover shown in fig. 1, the joint between the sleeve 1(3) and the bodice 2 is generally referred to as a grip 4, and as shown in fig. 2, the bottom of the grip 4, i.e., the underarm portion, is a grip bottom 5; when the full-forming seamless weaving is carried out, because the body and the sleeves belong to different weaving areas, how to smoothly and transitionally connect the body and the sleeves, particularly smoothly connect the bottom clamping part, so that the fabric is comfortable and attractive is a problem to be solved urgently.

Disclosure of Invention

Aiming at the defects that the existing full-forming knitted fabric has a flat bottom, has poor fitting performance, affects wearing comfort and attractive effect, is easy to have reworked or unqualified products and affects product quality, the invention provides the flat copying method for the clamped bottom.

The invention adopts the following technical scheme: knitting a body and sleeves by using a pair of needle beds which are opposed to each other in a front-back direction and are capable of traversing in a left-right direction, the body being knitted by a yarn feeder α, the left sleeves of the sleeves being knitted by a yarn feeder β, the right sleeves of the sleeves being knitted by a yarn feeder γ, and when knitting is performed to a joint between the sleeves and the body, the left sleeves and the right sleeves are integrally transferred in the body direction, respectively, so that the body is adjacent to the left sleeves and the right sleeves by one needle, respectively, characterized in that: after the left sleeve and the right sleeve are integrally moved, the position of the needle bed is an initial zero position, which is marked as U0, and the needle bed is sequentially arranged from left to right: mark the coil of the front braid of the left sleeve as Z₁、Z₂、……、Z_nThe coil of the large front braid is marked as D₁、D₂、……、D_iAnd the coil of the front braid layer of the right sleeve is marked as Y₁、Y₂、……、Y_mCorrespondingly, the coil of the rear braid of the left sleeve is z₁、z₂、……、z_nThe coil of the large back braided layer is d₁、d₂、……、d_iThe coil of the rear braid layer of the right sleeve is y₁、y₂、……、y_mWherein n, i and m are positive integers, comprising the steps of,

s1: z of the front woven layer of the left sleeve₁To Z_nThe position coil is turned over from the front needle bed to the empty needle position corresponding to the back needle bed, then the back needle bed shakes two needles to the right, and then the Z of the left sleeve front weaving layer is changed into a Z shape₁To Z_nThe bit coil is turned back to the front needle bed so that the Z of the left sleeve front knit layer_nPosition coil and D of the large front woven layer₁The bit line coils are overlapped into a pin and marked as a J-bit coil with left clamping bottom;

then the z of the left sleeve back weaving layer₁To z_nThe position coil is turned over from the back needle bed to the empty needle bed corresponding to the front needle bed, the back needle bed shakes two needles to the left, and the z of the left sleeve back weaving layer is processed₁To z_nThe position coil turns back to the positionThe back needle bed, thereby z of the left sleeve back knit layer_nBit coil and d of the large back braided layer₁The bit line coils are overlapped into a pin and marked as a j-bit coil of the left clamping bottom; then Z of the front woven layer of the left sleeve₁To Z_n-2The position coil is turned over from the front needle bed to an empty needle position corresponding to the back needle bed;

s2: using the yarn nozzle beta to tuck and weave the overlapping part of the left sleeve and the big body, namely the left clip bottom;

s3: knitting a stitch of the large body rear knit layer including the j-line stitch of the left clip bottom and a z-line stitch of the left sleeve rear knit layer using the yarn feeder alpha pick needle_n-1A bit coil, then d of the large back braid₂To d_iPosition coil, y of the rear woven layer of the right sleeve₁To y_mThe line loops are respectively turned over from the back needle bed to the empty needle position of the front needle bed;

s4: the back needle bed shakes two needles to the right, turns over the loop of the large back knitting layer adjacent to the j line loop of the left clip bottom and positioned on the front needle bed after S3 to the back needle bed, so as to overlap the j line loop of the left clip bottom into one needle;

the back needle bed shakes two needles to the left to make the Z of the front woven layer of the left sleeve_n-1The bit coil, the J bit coil of the left clip bottom and the coil of the big body front knitting layer adjacent to the J bit coil of the left clip bottom are turned over to the empty needle position of the back needle bed from the front needle bed,

the back needle bed shakes two needles to the right, and the Z of the front woven layer of the left sleeve is firstly woven_n-1Turning over the position coil and the J position coil of the left clip bottom from the back needle bed to the front needle bed, then swinging the back needle bed for two needles to the left, and turning over the coil of the large front woven layer adjacent to the J position coil of the left clip bottom from the back needle bed to the front needle bed so as to overlap the J position coil of the left clip bottom into one needle;

s5: the back needle bed shakes two needles to the right, and the yarn nozzle alpha is used for weaving the z of the back weaving layer of the left sleeve_n-1The position coil and the left clamp after S4A bottom j-position overlapping coil; z for knitting the left sleeve front knit layer using the yarn nozzle beta space needle_n-1A position coil and a J position overlapping coil passing through the left clamping bottom after S4;

s6: the back needle bed continuously shakes two needles to the right to form a Z-shaped knitting layer with the front knitting layer of the left sleeve_n-1The stitches of the left sleeve front knit layer adjacent to the stitch loop and located on the back needle bed after passing through S1 are stitch-turned to the front needle bed so as to be Z-shaped with respect to the left sleeve front knit layer_n-1The bit line rings are overlapped into a pin;

the back needle bed swings two needles to the left, and the j-position coil at the left bottom clamp and the z-position coil at the back weaving layer of the left sleeve are connected_n-1Position coil and z of rear woven layer of left sleeve_n-1The loops of the left sleeve rear knitting layer adjacent to the line loop are turned over from the rear needle bed to the empty needle position of the front needle bed,

the back needle bed shakes two needles to the right, firstly, the z of the back weaving layer of the left sleeve is firstly_n-1The position coil and the j position coil at the left bottom clip are turned back to the back needle bed by the front needle bed, then the back needle bed swings two needles to the left, and then the position coil and the z position coil of the back knitting layer of the left sleeve are turned to the back knitting layer_n-₁The coil of the left sleeve rear knit layer adjacent to the bit line coil is turned back to the rear needle bed from the front needle bed, thereby z of the left sleeve rear knit layer_n-1The bit line rings are overlapped into a pin;

s7: the back needle bed shakes two needles at the right side, j-position coils of the left clamping bottom and z-position coils of the left sleeve rear knitting layer after S6 are knitted by using the yarn nozzle alpha partition needle_n-1A bit overlap coil; knitting J-position coil of the left clip bottom and Z of the left sleeve front knitted layer after S6 by using the yarn nozzle beta-septal needle_n-1A bit overlap coil;

s8: repeating steps S4 to S7 for a number of times x;

s9: repeating steps S4 and S5 again;

s10: the back needle bed continuously shakes two needles to the right, and the front knitting layer of the left sleeve is flatly copied with the rest of coils, namely Z₁To Z_n-(x+3)The position loop is turned back from the back needle bed to the front needle bed, so that the left sleeve is knitted in frontZ of the layer_n-(x+3)Position coil and Z_n-1The bit line rings are overlapped into a pin;

s11: the back needle bed swings two needles to the left, and the j line loop of the left bottom clamp and the z of the left sleeve back weaving layer are connected_n-1The bit coil and the remaining coil of the parallel copy, i.e. z₁To z_n-(x+3)The position coil is turned over from the back needle bed to the empty needle position of the front needle bed;

then the left s-needle of the back needle bed is turned to U0 position, and the z of the back knitting layer of the left sleeve is changed_n-1The position loops and the j position loops of the left bottom clamp are turned back to the back needle bed from the front needle bed;

then flatly copying the back knitting layer of the large body to obtain the remaining coil, namely d_x+4To d_iBit coil, and y of the right sleeve rear knit layer₁To y_mThe position loop is turned back to the back needle bed from the front needle bed;

then the back needle bed swings two needles to the left to make the z of the back knitting layer of the left sleeve₁To z_n-(x+3)The bit loops are turned back from the front needle bed to the back needle bed so that the z of the left sleeve back knit layer_n-(x+3)Position coil and z_n-1The bit line rings are overlapped into a pin;

s12: the back needle bed shakes two needles at the right side, j-position coils of the left clamping bottom and z-position coils of the left sleeve rear knitting layer after S11 are knitted by using the yarn nozzle alpha partition needle_n-1The overlapping coil and the remaining coil of the left sleeve rear knit layer after S11, i.e. z₁To z_n-(x+4)A bit coil;

then the residual coil Z of the front and back woven layers of the left sleeve after S10₁To Z_n-(x+4)The position coil is turned over from the front needle bed to the empty needle position of the back needle bed, and then the J position coil of the left bottom clip and the Z position coil of the left sleeve front woven layer after S10 are knitted by using a yarn nozzle beta needle separator_n-1A bit overlap coil;

then the yarn nozzle beta is taken out of the knitting area through loop hanging and loop releasing;

s13: y for knitting the rear knitting layer of the right sleeve by using the yarn nozzle gamma-shaped needle₁To y_mBit lineLooping, and then knitting the back y of the right sleeve₁To y_mThe position coil is turned over to the empty needle position corresponding to the front needle bed from the back needle bed, then the back needle bed shakes two needles to the right, and then the y of the right sleeve back weaving layer is formed₁To y_mThe bit coil is turned back to the back needle bed so that the y of the right sleeve back knit layer₁Bit coil and d of the large back braided layer_iThe bit line coils are overlapped into a pin and marked as g bit coils of the right clamping bottom;

then the Y of the front woven layer of the right sleeve₁To Y_mThe position coil is turned over from the front needle bed to an empty needle bed corresponding to the back needle bed, then the back needle bed is shaken for two needles to the left, and then the Y of the front weaving layer of the right sleeve is used₁Bit coil, Y₂The bit coil is turned back to the front needle bed so that Y of the right sleeve front knit layer₁Position coil and D of the large front woven layer_iThe bit line coils are overlapped into a pin and marked as G bit coils at the bottom of the right clamp;

s14: using the yarn nozzle gamma to tuck and weave the overlapping part of the right sleeve and the big body, namely the right clip bottom;

s15: knitting the left sleeve front knit layer coil, the large front knit layer coil including the left clip bottom J-position coil and the right clip bottom G-position coil, and the right sleeve front knit layer Y using a yarn carrier alpha-split needle₂A bit coil;

then, turning over the stitches of the left sleeve back knitted layer and the large body back knitted layer stitches including the j-position stitches of the left bottom clip from the back needle bed to the empty needle position of the front needle bed;

s16: the coil of the big front knitting layer, the G-bit coil of the right bottom clip and the Y of the right sleeve front knitting layer which are adjacent to the G-bit coil of the right bottom clip₂The position coil is turned over from the front needle bed to the empty needle position of the back needle bed;

then the back needle bed swings two needles to the left, and the G-position coil of the right bottom clamp and the Y-position coil of the front woven layer of the right sleeve are firstly woven₂The position coil is turned back to the front needle bed from the back needle bed, and the back needle bed is rightTwo needles are shaken, and then the coil of the large front knitting layer adjacent to the G line coil of the right clip bottom is turned back to the front needle bed from the back needle bed, so that the coil is overlapped with the G line coil of the right clip bottom to form a needle;

the back needle bed shakes two needles to the left, turns over the loop of the large back knitting layer adjacent to the g line loop of the right clip bottom and positioned on the front needle bed after S15 to the back needle bed, so as to overlap the g line loop of the right clip bottom into one needle;

s17: y for knitting the rear knitting layer of the right sleeve by using the yarn nozzle gamma-shaped needle₂A bit coil and a g bit overlapping coil of the right clip bottom after S16; y for knitting the front knitting layer of the right sleeve by using the yarn nozzle alpha partition needle₂A position coil and a G position overlapping coil passing through the right clip bottom after S16;

s18: g-position coil of the right bottom clip and y of the rear woven layer of the right sleeve₂Bit coil, and the right sleeve rear woven layer and y₂The adjacent loops of the position loop are turned over from the back needle bed to the empty needle position of the front needle bed;

then the back needle bed continuously shakes two needles to the left, and the g-position coil of the right bottom clamp and the y-position coil of the right sleeve back weaving layer are firstly clamped₂The position coil is turned back to the back needle bed from the front needle bed, then the back needle bed shakes two needles to the right, and then the right sleeve back weaving layer and the y are connected₂The loop adjacent to the bit loop is turned back from the front needle bed to the back needle bed so as to be y of the right sleeve back knit layer₂The bit line rings are overlapped into a pin;

the back needle bed shakes two needles to the left, and the front woven layer of the right sleeve and the Y layer are connected₂The stitches adjacent to the stitch loop and on the back needle bed after S13 are turned back to the front needle bed so as to be Y-shaped with respect to the front knitted layer of the right sleeve₂The bit line rings are overlapped into a pin;

s19: knitting the g-position coil of the right clip bottom and the y-position coil of the right sleeve rear knitting layer after S18 by using the yarn nozzle gamma-septal needle₂A bit overlap coil; knitting G-position coils of the right clip bottom and Y-position coils of the right sleeve front knitted layer after S18 by using the yarn nozzle alpha partition needles₂A bit overlap coil;

s20: repeating steps S16 to S19 for a number of times k; in the same way as above, the first and second,

s21: repeating steps S16 and S17 again;

s22: the back needle bed continuously shakes two needles to the left, and the front knitting layer of the right sleeve is flatly copied with the residual coils, namely Y_k+4To Y_mThe bit loops are turned back from the back needle bed to the front needle bed so that Y of the front knit layer of the right sleeve_k+4Bit line and Y₂The bit line rings are overlapped into a pin;

s23: the back needle bed shakes two needles to the right, the g-position coil of the right bottom clamp and the y-position coil of the back weaving layer of the right sleeve are connected₂Bit coil, and the remaining coil, i.e. y, of the back knitted layer of the right sleeve_k+4To y_mThe position coil is turned over from the back needle bed to the empty needle position of the front needle bed;

then the right t needle of the back needle bed is turned to U0 position, and the g position coil of the right bottom clamp and the y position of the back knitting layer of the right sleeve are connected₂The position coil is turned back to the back needle bed by the front needle bed;

then flatly copying the left sleeve rear woven layer coil and the large body rear woven layer which comprise the left bottom clamping rear woven layer coil to form a residual coil, namely z₁To z_n-(x+4)Bit coil, z_n-1Bit line coil, j bit line coil and d_x+4To d_i-(k+3)The position loop is turned back to the back needle bed from the front needle bed;

then the back needle bed shakes two needles to the right side to make the y of the back knitting layer of the right sleeve_k+4To y_mThe bit loops are turned back from the front needle bed to the back needle bed so that y of the right sleeve back knit layer_k+4Bit coil and y₂The bit line rings are overlapped into a pin;

s24: the back needle bed swings two needles to the left, and the yarn nozzle alpha needle separator is used for knitting the G-position coil of the right clip bottom and the Y-position coil of the front knitting layer of the right sleeve after S22₂The overlapping coil and the remaining coil of the right sleeve front woven layer after S22, namely Y_k+5To Y_mA bit coil;

will then be described after S23The remaining loops of the rear knit layer of the right sleeve, i.e. y_k+5To y_mThe position coil is turned over from the back needle bed to the empty needle position of the front needle bed, and then the g position coil of the right clip bottom and the y position coil of the right sleeve back knitting layer after S23 are knitted by using a yarn nozzle gamma partition needle₂A bit overlap coil;

and then the yarn nozzle gamma is taken out of the knitting area through the hanging and the releasing.

It is further characterized in that:

s equals 4 x (x +2) -2 in S11; t equals 4 x (k +2) -2 in S23;

n is equal to m and i is greater than n;

x is more than or equal to 1 and less than n, k is more than or equal to 1 and less than m, and x is equal to k;

s2 includes the following steps of,

s2.1: d of the front large woven layer by using the yarn nozzle beta₂Bit coil, d of the rear body braid₂A bit coil, a J bit coil of the left clip bottom, a J bit coil of the left clip bottom and Z of the left sleeve front woven layer_n-1Performing tucking on the position coil;

s2.2: the yarn nozzle beta-reversing separate needle weaves the z of the left sleeve rear weaving layer_n-1A bit coil, a j bit coil at the left clip bottom and a d bit coil at the back weaving layer of the big body₂A bit coil;

s2.3: the yarn nozzle beta is turned over again to separate the needle to weave D of the front weaving layer of the big body₂A position coil, a J position coil of the left bottom clip and a Z position of the left sleeve front woven layer_n-1A bit coil.

In S12, the carrying-out mode of the yarn nozzle β is as follows:

z of the front woven layer of the left sleeve by using a yarn nozzle beta_n-1Knitting a loop H on the back needle bed knitting needle corresponding to the line loop, and tucking the J line loop of the left clamping bottom;

then the head is turned around to drive the yarn nozzle beta to weave at least two coils T on the front needle bed knitting needle corresponding to the coils of the left sleeve rear knitting layer, odd knitting needles are arranged between every two adjacent coils T, the minimum odd number is 3, and the maximum odd number is smaller than n- (x + 4);

then is connected toZ of the front woven layer of the left sleeve₁To Z_n-(x+4)The position coil and the coil H are turned over from the back needle bed to the front needle bed, and the coil H and the Z of the left sleeve front woven layer_n-1The stitches are overlapped on a stitch and then the stitch T is removed, thereby bringing the yarn mouth beta out of the knitting area.

S14 includes the following steps of,

s14.1: d of said large back knit layer using said yarn jet γ_i-1Bit coil, D of the large front braid_i-1A bit coil, a G bit coil of the right clip bottom, a G bit coil of the right clip bottom and a y bit of the right sleeve rear woven layer₂Performing tucking on the position coil;

s14.2: the Y of the front knitting layer of the right sleeve is knitted by the yarn nozzle gamma turning needle₂The position coil, the G position coil at the right clip bottom and the D position coil at the front weaving layer of the big body_i-1A bit coil;

s14.3: the yarn nozzle gamma is turned over again to separate the needle to weave the y of the rear weaving layer of the right sleeve₂A bit coil, a g bit coil at the right clip bottom and a d bit coil at the back of the big body_i-1A bit coil.

In S24, the carrying-out mode of the yarn feeder γ is:

y of the rear knit layer of the right sleeve using a yarn nozzle gamma₂Knitting a loop h on the front needle bed knitting needle corresponding to the line loop, and tucking the g line loop of the right clamping bottom;

then the head is turned around to drive the yarn nozzle gamma to weave at least two coils t on the knitting needle of the back needle bed corresponding to the coils of the front knitting layer of the right sleeve, odd-numbered knitting needles are arranged between every two adjacent coils t, the minimum odd number is 3, and the maximum odd number is smaller than m- (k + 4);

then the coil h and the y of the right sleeve back woven layer are put together_k+5To y_mThe position coil is turned over from the front needle bed to the back needle bed, and the coil h and the y of the back knitting layer of the right sleeve₂And overlapping the position coil on a needle, and then knocking off the coil t, thereby bringing the yarn nozzle gamma out of the knitting area.

The invention adopts the methodThen, the body and the sleeve are connected by a connection coil (J-position and J-position coils, G-position and G-position coils) and a sleeve coil (Z) adjacent to the connection coil_n-1Bit sum z_n-1Bit coil, Y₂Bit coil and y₂Position coils) are flatly copied base coils to flatly copy the bodice and the sleeves in sequence, so that a flat position with two braid-shaped textures is formed at the bottom of the clamp, the bodice and the sleeves are smoothly and transitionally connected, the phenomena of missed stitches, wrong stitches and the like are avoided, the quality of knitted clothes is effectively improved, the shape of armpits of a human body is met, the stretching change of the armpits of the human body caused by the movement of upper limbs of the human body can be well adapted, the wearing is comfortable, and the body fitting performance is good; in addition, the method can effectively eliminate the texture difference of the plait-shaped bottom clamping flat position formed by the flat copied coils on the inner side and the outer side of the knitted clothes, so that the flat copied coils are overlapped with the base coils from the inner side to the outer side, and the formed plait-shaped bottom clamping flat position is symmetrically distributed on the front surface and the rear surface of the same end (the left end or the right end) of the knitted clothes, thereby effectively improving the aesthetic property of the knitted clothes.

Drawings

FIG. 1 is a schematic structural diagram of a pullover knitted sweater according to an embodiment of the present invention.

Fig. 2 is a schematic view of a bottom clamping structure in the direction E of fig. 1 in the prior art.

FIG. 3 is a schematic view of the bottom clamping structure in the direction E of FIG. 1.

FIG. 4 is a schematic illustration of sleeve and bodice knitting prior to formation of a base for use in the present invention;

FIG. 5 is a schematic illustration of the knitting of the left sleeve and bodice attachment of the present invention in an application example;

FIG. 6 is a schematic representation of the weaving of the left midsole reinforcement of the present application;

FIGS. 7a and 7b are schematic diagrams of the weaving of the left clip flat copying circulation unit of the application example of the invention;

FIGS. 8a and 8b are schematic diagrams of a one-time cycle knitting process of the left clamping and flatcopy unit of the application example of the invention;

FIG. 9 is a schematic diagram of the last stitch of the bodice of the present invention (left clip);

FIG. 10a, FIG. 10b and FIG. 10c are schematic diagrams of the knitting of the last stitch of the left sleeve (left split) according to the application example of the present invention;

fig. 11 is a schematic diagram of the knitting of the yarn nozzle beta out of the knitting area according to the application example of the invention.

FIG. 12 is a schematic illustration of the right sleeve and torso joint weave used in the present invention;

FIG. 13 is a schematic illustration of weaving for right midsole reinforcement in accordance with an embodiment of the present invention;

FIGS. 14a and 14b are schematic knitting diagrams of a right clip flat copying circulation unit of an application example of the invention;

FIGS. 15a and 15b are schematic views of a one-cycle knitting process of a right clip flat copying unit according to an embodiment of the present invention;

FIG. 16 is a schematic diagram of the last stitch of the bodice of the present invention (right grip);

FIG. 17a, FIG. 17b and FIG. 17c are schematic diagrams of knitting of the last stitch of a right sleeve according to the present invention (right grip);

fig. 18 is a schematic diagram of the knitting of the yarn feeder gamma out of the knitting area according to the application example of the invention.

FIG. 19 is a schematic view of sleeves and a body fabric after forming a flat bottom according to an embodiment of the present invention.

FIG. 20 is a schematic illustration of a comparative weave before and after the formation of a midsole of an application example of the present invention.

Detailed Description

The invention is further described with reference to the accompanying drawings in which:

the knitting diagrams of fig. 4 to 20 are all viewed from bottom to top, i.e. from right to left in the drawing, wherein F denotes the front needle bed, B denotes the rear needle bed, as shown in fig. 19, the black dots 8 denote the knitting needles, the circles 9 denote the knitting loops, and the connecting lines 7 between the loops denote the yarns; ">" represents the right row of the machine head, "< <" represents the left row of the machine head, the machine head directions in the weaving schematic diagram are not all shown, and only the machine head directions of the weaving and yarn kicking nozzles are shown; UL2(4, 6, 8, etc.) indicates that the back needle bed is shifted left by 2(4, 6, 8, etc.) needle positions relative to the original U0, UR2(4, 6, 8, etc.) indicates that the back needle bed is shifted right by 2(4, 6, 8, etc.) needle positions relative to the original U0; the stitches of the knitting area stay on the knitting needles when the stitches are not knitted, so that the stitches are not shown when the stitches of the knitting area are not knitted, for example, when the stitches are turned over, moved, or the like in all the drawings; the yarn feeder α, the yarn feeder β, and the yarn feeder γ are indicated by inverted triangles, and not all the yarn feeders are shown in the knitting diagram.

As shown in fig. 1 and fig. 3 to 20, the pullover sweater is knitted from right to left, then the back knitted layer is knitted, then the front knitted layer is turned around from left to right, and the front knitted layer and the back knitted layer of the left sleeve and the right sleeve are described by taking x ═ k ═ 1 as an example, and correspondingly, the front knitted layer and the back knitted layer of the bodice are respectively knitted by three flat stitches at one end of the left sleeve and one end of the right sleeve.

The invention provides a flat-off method of a double-bottom, which uses a pair of needle beds opposite to each other in the front-back direction and capable of freely traversing in the left-right direction to knit a main body 2 and sleeves 1 and 3, wherein the main body 2 is knitted by yarn feeding through a yarn nozzle alpha, a left sleeve 1 in the sleeves is knitted by yarn feeding through a yarn nozzle beta, a right sleeve 3 in the sleeves is knitted by yarn feeding through a yarn nozzle gamma, when the sleeves are knitted to the joint of the main body 2, the left sleeve 1 and the right sleeve 3 are respectively moved to the main body 2 direction integrally, the main body is respectively adjacent to the left sleeve and the right sleeve at intervals, for the convenience of understanding, the left sleeve 1, the main body 2 and the right sleeve 3 are respectively knitted in a line, and the knitting steps are shown as (phi) -sixth in figure 4:

the method comprises the following steps: the left movement of the machine head drives the yarn nozzle beta to separate needles to weave a line of rear knitting layer coils of the left sleeve 1,

secondly, the step of: then the left hand movement of the machine head drives the yarn nozzle alpha to separate needles to weave a row of back weaving layer coils of the big body 2,

③: then the left movement of the machine head drives the yarn nozzle gamma needle to weave a row of back weaving layer coils of the right sleeve 3,

fourthly, performing the operation of the second step; then the right row of the machine head drives the yarn nozzle gamma to turn around and separate needles to weave a row of front weaving layer coils of the right sleeve 3,

fifthly: then the right row of the machine head drives the yarn nozzle to turn alpha and separate needles to weave a row of front braid coils of the big body 2,

sixthly, the method comprises the following steps: then the right row of the machine head drives the yarn nozzle to perform beta-turn and separate needles to weave a row of front weaving layer coils of the left sleeve 1.

As shown in fig. 4, the left sleeve 1 and the right sleeve 3 are providedAfter the body moves, the position of the needle bed is an initial zero position, which is marked as U0, and sequentially from left to right: mark the coil of the front braid of the left sleeve as Z₁、Z₂、……、Z_nThe coil of the large front braid is marked as D₁、D₂、……、D_iAnd the coil of the front braid layer of the right sleeve is marked as Y₁、Y₂、……、Y_mCorrespondingly, the coil of the rear braid of the left sleeve is z₁、z₂、……、z_nThe coil of the large back braided layer is d₁、d₂、……、d_iThe coil of the rear braid layer of the right sleeve is y₁、y₂、……、y_mWherein n, i and m are positive integers, comprising the steps of,

s1: as shown in fig. 5, Z of the front woven layer of the left sleeve₁To Z_nThe position coil is turned over from the front needle bed to the empty needle position corresponding to the back needle bed, then the back needle bed is turned to UR2 position by two needles at the right side, and then the Z of the front knitting layer of the left sleeve is turned₁To Z_nThe bit coil is turned back to the front needle bed, so that the Z of the front woven layer of the left sleeve_nPosition coil and front braid of the body₁The bit line loops are overlapped into one needle and are marked as J-bit loops of a left bottom clamp, namely, the loops of a front woven layer of a left sleeve of the knitted garment are turned over from the back needle bed to the front needle bed integrally, so that the adjacent two end loops of the front woven layer of the left sleeve and the front woven layer of the big body are overlapped inside and outside, wherein the end loops of the front woven layer of the left sleeve are arranged on the inner side, and the loops of the front woven layer of the big body are arranged on the outer side, so that the left sleeve is connected with the front of the big body;

then, as shown in FIG. 5, z of the back knitted layer of the left sleeve is set to UR2 position₁To z_nThe position coil is turned over from the back needle bed to the empty needle bed corresponding to the front needle bed, the back needle bed swings two needles to the left to return to the U0 position, and the z of the back knitting layer of the left sleeve is changed₁To z_nThe bit coil is turned back to the back needle bed, so that the z of the left sleeve back knit layer_nD of position coil and large back braided layer₁The bit line coils are overlapped into a pin and marked as a j-bit coil of the left clamping bottom; namely, the left sleeve back knitting is carried out along with the integral needle turning of the left sleeve back knitting layer coil from the front needle bed to the back needle bedThe adjacent two end coils of the woven layer and the large back woven layer are also overlapped inside and outside, wherein the end coil of the left sleeve back woven layer is also positioned on the inner side, and the coil of the large back woven layer is also positioned on the outer side, so that the left sleeve is connected with the back of the large; then the Z of the front woven layer of the left sleeve₁To Z_n-2The position coil is turned over from the front needle bed to the empty needle position corresponding to the back needle bed; and the J-position coil of the left bottom clamp and the Z of the front woven layer of the left sleeve_n-1The position coil is left on the front needle bed;

through step S1, the front knitted layer of the left sleeve and the front knitted layer of the bodice are joined to form a flatly-copied base coil of the front knitted layer of the left undercover, i.e., a J-bit coil, and the rear knitted layer of the left sleeve and the rear knitted layer of the bodice are joined to form a flatly-copied base coil of the rear knitted layer of the left undercover, i.e., a J-bit coil, and the left sleeve and the bodice are joined at the front and rear sides, respectively.

S2: as shown in fig. 6, tucking and knitting are performed at the overlapping portion of the left sleeve and the large body, i.e., the left clip bottom, using a yarn nozzle β;

as shown, S2 includes the steps of,

s2.1: the machine head moves left, and the yarn nozzle beta is used for weaving the front weaving layer of the body₂Bit coil, large back braided layer d₂Bit coil, J bit coil of left clip bottom, J bit coil of left clip bottom and Z of left sleeve front woven layer_n-1Performing tucking on the position coil;

s2.2: z of rear knitting layer of left sleeve knitted by head right-going yarn nozzle beta-turning needle_n-1Bit coil, j bit coil at left clip bottom and d of large back braided layer₂A bit coil;

s2.3: the machine head moves left, the yarn nozzle beta is turned over again to separate the knitting D of the front knitting layer of the body₂Bit coil, J-bit coil at left bottom of clamp and Z of front woven layer of left sleeve_n-1A bit coil;

the joint of the left sleeve and the big body, namely the left jacket bottom, is reinforced through tucking and weaving, so that the left sleeve and the big body are prevented from being off-line and cracked, and the quality of the knitted clothes is improved.

S3: knitting a large back knit layer including a left bottom j stitch using a yarn jet alpha pick stitchAnd z of the left sleeve rear knit layer_n-1The position coil is as shown in figure 6, the left movement of the machine head drives the yarn nozzle alpha to sequentially separate needles to weave the knitting layer d of the back knitting layer of the big body_iBit, d_i-1Bit, d_i-2Bit … …, d₂Bit coil, left bottom j-bit coil and left sleeve rear braided layer z_n-1The coil is positioned, so that the rear woven layer of the left sleeve is naturally transited to a yarn feeder alpha from the yarn feeder beta for yarn feeding and weaving, and the rear woven layer of the left sleeve is consistent with the weaving yarn feeder of the rear woven layer of the body;

then d of the back braided layer of the big body₂To d_iPosition coil, y of right sleeve back braided layer₁To y_mThe position coils are respectively turned over from the back needle bed to the empty needle position of the front needle bed, namely the j position coil of the left bottom clip and the Z position coil of the front knitting layer of the left sleeve₁To Z_n-2The position coil and all the back braid coils are left on the back needle bed;

s4: as shown in fig. 7a, the back needle bed swings two needles to UR2 position to the right, turns over the loop of the large back knit layer adjacent to the j line loop of the left back clamp and located on the front needle bed after S3 to the back needle bed, and overlaps the j line loop of the left back clamp as one needle; the 'coil of the back big knitting layer adjacent to the j line circle of the left bottom clip and positioned on the front needle bed after S3', namely the coil of the back big knitting layer of the knitted fabric to be copied is turned over from the front needle bed to the back needle bed so as to be overlapped inside and outside the j line circle of the left bottom clip and be copied flatly, wherein the j line circle of the left bottom clip is on the outside; "the stitches of the back knitting layer of the large body located on the front needle bed after S3 and adjacent to the j-line stitch of the left clip bottom" are d shown in FIG. 7a₂Bit coil, d shown in FIG. 8a₃Bit coils and the like, and the rest is analogized, namely, a first needle coil, a second needle coil and the like of a rear weaving layer at the left end of the bodice are copied flatly in sequence by taking the j bit coil at the left clamping bottom as a substrate;

the back needle bed swings two needles to the U0 position to make the front knitting layer Z of the left sleeve_n-1The position coil, the J position coil of the left clip bottom and the coil of the big body front knitting layer adjacent to the J position coil of the left clip bottom are turned over from the front needle bed to the empty needle position of the back needle bed,

the back needle bed shakes two needles to UR2 position, the Z of the front woven layer of the left sleeve is firstly woven_n-1The position coil and the J position coil of the left clip bottom are turned back to the front needle bed from the back needle bed, then the back needle bed swings two needles to the U0 position from the left, and then the coil of the large front knitting layer adjacent to the J position coil of the left clip bottom is turned back to the front needle bed from the back needle bed, so that the coil is overlapped with the J position coil of the left clip bottom to form one needle; the "coils of the large front braid adjacent to the left bottomed J-bit coil" are D as shown in FIG. 7a₂Bit coil, D shown in FIG. 8a₃Bit coils, etc., and so on; namely, the first needle coil, the second needle coil and the like of the front weaving layer at the left end of the bodice are flatly copied in sequence by taking the J-bit coil of the left clip bottom as a substrate, and when flatly copying, the coil of the front weaving layer of the bodice of the knitted fabric to be copied, namely the coil of the front weaving layer of the bodice adjacent to the J-bit coil of the left clip bottom, is turned over from a back needle bed to a front needle bed so as to be flatly copied by being overlapped inside and outside with the J-bit coil of the left clip bottom, wherein the J-bit coil of the left clip bottom is positioned outside.

S5: as shown in FIG. 7a, the back needle bed swings two needles to UR2 position and uses the yarn nozzle alpha to separate the needles to knit the z of the back knitting layer of the left sleeve_n-₁A bit coil and a j-bit overlapped coil passing through the left bottom clamp after S4; z for knitting front knitting layer of left sleeve by using yarn nozzle beta needle_n-1The position coil and the J position overlapping coil passing through the left clamping bottom after S4, so that the overlapping coil is changed into a single coil, thereby facilitating the flat copying of the subsequent coils of the front and rear braided layers of the large body and preventing the coils from being stacked or scattered.

S6: as shown in FIG. 7b, the back needle bed continues to swing two needles to UR4 position to be in contact with the Z of the front knit layer of the left sleeve_n-1The loop of the left sleeve front knitted layer adjacent to the bit line loop and located on the back needle bed after S1 is turned over to the front needle bed, thereby being Z-shaped with respect to the left sleeve front knitted layer_n-1The bit line rings are overlapped into a pin; z of front woven layer of left sleeve_n-1The stitch turns of the front knit layer of the left sleeve which are adjacent to the stitch turn and which are on the back needle bed after S1 are Z as shown in FIG. 7b_n-2Bit coil, Z shown in FIG. 8b_n-3Position coil, etc., by analogy, i.e. with Z of the front braid of the left sleeve_n-1The bit coil is a first needle coil, a second needle coil and the like of a front woven layer of the left sleeve which is flatly copied in sequence as a substrate; when flatly copying, the coil of the front woven layer of the left sleeve to be copied, namely the coil and the left sleeveZ of the front braid_n-1The loop of the left sleeve front knit layer adjacent to the bit line loop and located on the back needle bed after S1 is turned over from the back needle bed to the front needle bed, thereby turning over from the back needle bed to the front needle bed and forming a Z-shaped loop with the left sleeve front knit layer_n-1The bit coils are also folded inside and outside and are folded flat, wherein the Z of the front woven layer of the left sleeve_n-1The bit line ring is arranged on the outer side;

the back needle bed swings two needles to UR2 position, the j position coil of the left clip bottom and the z position of the left sleeve back knitting layer are connected_n-1 position coil, and z with left sleeve back knit layer_n-1The loops of the left sleeve back weaving layer adjacent to the line loop are turned over from the back needle bed to the empty needle position of the front needle bed,

the back needle bed shakes two needles to UR4 position, the z of the back knitting layer of the left sleeve is firstly_n-1The position coil and the j position coil at the left bottom clip are turned back to the back needle bed from the front needle bed, then the back needle bed swings two needles to the UR2 position at the left side, and then the position coil and the z position coil of the back knitting layer of the left sleeve are turned back to the UR2 position_n-1The coil of the left sleeve back knitted layer adjacent to the bit line coil is turned back to the back needle bed from the front needle bed, thereby being matched with the z of the left sleeve back knitted layer_n-1The bit line rings are overlapped into a pin; z of the rear woven layer of the left sleeve_n-1The loops of the left sleeve rear knit layer adjacent to the bit line loops are z as shown in FIG. 7b_n-2Bit coil, z shown in FIG. 8b_n-3Bit coils, etc., and so on; i.e. by the z of the left sleeve rear knit layer_n-1The first needle coil and the second needle coil of the left sleeve rear woven layer are flatly copied in sequence by taking the position coil as a base, and when flatly copied, the coil of the left sleeve rear woven layer to be copied, namely' the coil of the left sleeve rear woven layer and the coil of the left sleeve rear woven layer_n-1The loop of the left sleeve back knit layer adjacent to the line loop "is turned over from the front needle bed to the back needle bed, thereby also being z of the left sleeve back knit layer_n-1The bit line rings are folded inside and outside and are flatly copied, wherein the z of the rear knitting layer of the left sleeve_n-1The bit line turns outside.

S7: as shown in FIG. 7b, the back needle bed swings two needles to UR4 position, and uses the yarn nozzle alpha to separate the needles to knit the j stitch of the left clip bottom and the z stitch of the back knit layer of the left sleeve after S6_n-1A bit overlap coil; knitting J-position coil of left clip bottom and Z of front knitted layer of left sleeve after S6 by using yarn nozzle beta-stitch_n-1A bit overlap coil; make the overlapped lineThe loops are changed into single loops, so that the flat copying of the subsequent loops of the front and rear woven layers of the left sleeve is facilitated, and the coils are prevented from being stacked or scattered.

S8: repeating the steps S4 to S7 for a repetition number of times of x, as shown in FIGS. 8a and 8b, i.e. S4 to S7 are the cyclic overlock needle unit of the left bottom, and every time the cyclic overlock needle unit is repeated, the rear needle bed counts 4 needle positions to the right, and the front knitted layer and the rear knitted layer of the left sleeve and the front knitted layer and the rear knitted layer of the left end of the main body are respectively folded and sewed; after the first repetition, the back needle bed changes from UR4 position to UR8 position, as shown in FIGS. 7b and 8 b; if the second time of repetition, the back needle bed is changed from UR8 position to UR12 position, and if the third time of repetition, the back needle bed is changed from UR12 position to UR16 position, and so on.

S9: repeating steps S4 and S5 again; as shown in fig. 9, the last stitches of the front and rear knitted layers at the left end of the bodice are respectively copied.

S10: the back needle bed continuously shakes two needles to the right, and the front knitting layer of the left sleeve is flatly copied with the residual coil, namely Z₁To Z_n-(x+3)The bit loops are turned back from the back needle bed to the front needle bed, so that the Z of the front knit layer of the left sleeve_n-(x+3)Position coil and Z_n-1The bit line rings are overlapped into a pin; namely, the last needle coil of the front knitting layer of the left sleeve to be copied is turned over from the back needle bed to the front needle bed along with the flatly copied residual coil of the front knitting layer of the left sleeve, thereby being also turned over with the Z needle bed_n-1The bit line circles are overlapped inside and outside to be copied, wherein Z_n-1The bit coil is still at the outside; one needle Z of the last flat copying of the front woven layer of the left sleeve of the application example_n-(x+3)The bit coil is shown in FIG. 10a as Z_n-4A bit coil.

S11: the back needle bed shakes two needles to the left, the j line circle of the left bottom clamp and the z of the left sleeve back knitting layer_n-1The bit coil and the remaining coil of the parallel copy, i.e. z₁To z_n-(x+3)The position coil is turned over from the back needle bed to the empty needle position of the front needle bed;

then the left needle of the back needle bed swings to the U0 position, and the z of the back knitting layer of the left sleeve is returned_n-1Turning over the position coil and the j position coil at the left bottom clamp from the front needle bed to the back needle bed;

then flatly copying the back braided layer of the large body to obtain the rest coil, i.e. d_x+4To d_iBit line loop, and y of right sleeve back knit layer₁To y_mThe position loop is turned back from the front needle bed to the back needle bed; as shown in FIG. 10b, d_x+4The bit coil is d₅A bit coil; as shown in FIG. 10b, in order to prevent the needle from being hit during the needle flipping, before the needle flipping of the body back knitted layer flatly copying the left stitch and the right sleeve back knitted layer stitch, the head moves left, the yarn guides of the left kick yarn feeder α and the yarn feeder β, after the needle flipping of the body back knitted layer flatly copying the left stitch and the right sleeve back knitted layer stitch, the head moves right, the yarn guides of the right kick yarn feeder α and the yarn feeder β, then the back needle bed swings left for two needles to UL2 bit, and the z of the left sleeve back knitted layer is turned₁To z_n-(x+3)The bit stitch is turned from the front needle bed back to the back needle bed, thereby the z of the left sleeve back knit layer_n-(x+3)Position coil and z_n-1The bit line rings are overlapped into a pin;

that is, the last needle coil of the back knitting layer of the left sleeve to be copied is firstly positioned at the empty needle position of the front needle bed along with the fact that all the coils of the back needle bed are turned over from the back needle bed to the front needle bed, the back needle bed is swung to the left to return to the U0 position, and then the base coil, namely z is positioned_n-1The bit coil and the j bit coil at the left bottom clip are turned back to the back needle bed from the front needle bed, then the back needle bed swings two needles to the left, the last needle coil of the left sleeve back knitting layer to be copied is turned over from the front needle bed to the whole of the back needle bed along with the flat copying of the left sleeve back knitting layer and the rest coil, thereby also being turned over with the z needle_n-₁The bit line loops are overlapped inside and outside to be copied, wherein z_n-1The bit coil is still at the outside; one needle z finally flatly copied from rear woven layer of left sleeve of application example_n-(x+3)The bit coil is shown in FIGS. 10a to 10b as z_n-4A bit coil;

the last stitch loop is flatly copied for the large body and the left sleeve through S9-S11, so that the front and rear woven layers of the sleeve including the left sleeve and the right sleeve and the front and rear woven layers of the large body can be returned to corresponding needle beds while flatly copying: the front woven layer of the sleeves and the front woven layer of the big body return to the front needle bed, and the rear woven layer of the sleeves and the rear woven layer of the big body return to the rear needle bed, so that the number of needle turning times is reduced, the production efficiency is effectively improved, the number of needles of a shaking table can be reduced, the rear needle bed is prevented from being shaken rightwards to excessively exceed the stroke of equipment, the equipment and the production safety are protected, and the subsequent connection and flat beating of the right sleeves are facilitated.

S12: the back needle bed shakes two needles at the right side, and uses a yarn nozzle alpha to separate the needles to weave the j-position coil of the left clip bottom and the z-position coil of the left sleeve back weaving layer after S11_n-1The overlapping coil and the remaining coil of the left sleeve rear knit layer after S11, i.e. z₁To z_n-(x+4)Bit coil, as shown in FIG. 10c, z in this application_n-(x+4)The bit coil is z_n-5A bit coil;

then the residual coil of the left sleeve front woven layer after S10, namely Z₁To Z_n-(x+4)The linear loop is turned over from the front needle bed to the empty needle position of the back needle bed, as shown in FIG. 10c, Z in the present application example_n-(x+4)The position coil is Z_n-5A yarn nozzle beta needle is used for knitting a J-position coil of the left clip bottom and a Z position coil of the front woven layer of the left sleeve after S10_n-1A bit overlap coil;

as shown in fig. 10c, the back needle bed swings two needles to the right, namely, the needle bed returns to the position U0, the left hand movement of the machine head drives the yarn nozzle alpha to carry out the d of the back weaving layer of the large body_x+4The position coil tucking and the needle separating sequentially knit the j position coil at the left clip bottom and the z position of the left sleeve rear knitting layer_n-1Z of position overlapping coil and left sleeve back knit layer_n-(x+4)Bit, z_n-(x+5)Position … …, z₂Bit, z₁A bit coil; d for driving yarn nozzle beta to front weaving layer of large body by left-hand movement of machine head_x+4J-position coil of left clip bottom and Z-position of left sleeve front woven layer by needle separation and stitch gathering of position coil_n-1A bit overlap coil; since x is 1 in this application, d is_x+4The bit coil is d₅Bit coil, z_n-(x+4)The bit coil is z_n-5Bit coil, z_n-(x+5)The bit coil is z_n-6Bit coil, D_x+4The bit coil is D₅Bit coil, to the front of the body braid D_x+4Bit coil and back braid of large body_x+4The line circle tucking facilitates the smooth transition connection of the left sleeve and the big body, and improves the quality, the wearing comfort and the aesthetic property of the knitted clothes.

Then the yarn nozzle beta is taken out of the knitting area through the hanging and the releasing, thereby leading the yarn nozzle beta to be used; as shown in fig. 11, the manner of carrying out the yarn feeder β in S12 is:

z of the knit layer in front of the left sleeve using the yarn nozzle beta_n-1Knitting a loop H on a back needle bed knitting needle corresponding to the position loop, and tucking the J position loop of the left clamped bottom;

then the head is turned around to drive the yarn nozzle beta to knit at least two coils T, namely hanging coils, on front needle bed knitting needles corresponding to coils of a rear knitting layer of the left sleeve, the adjacent two coils T are separated by odd knitting needles, the minimum odd number is 3, and the maximum odd number is smaller than n- (x +4) so as to ensure that the coils T hung on the front needle bed knitting needles are mainly in a knitting area and the coils T are positioned on the front needle bed knitting needles corresponding to the coils of the rear knitting layer, prevent the coils T from becoming floating threads when the coils T are positioned outside the knitting area and are out of stitches, and prevent the coils of the front knitting layer of the left sleeve from being prevented from turning back and the coils T from being incapable of being out of stitches when the coils T are positioned on the front knitting.

Then the Z of the front woven layer of the left sleeve₁To Z_n-(x+4)The position coil and the coil H are turned over from the back needle bed to the front needle bed, and the coil H and the Z of the front knitting layer of the left sleeve_n-1The stitches are overlapped on a stitch and then the stitch T is removed, thereby bringing the yarn nozzle beta out of the knitting area.

S13: as shown in figure 12, the back needle bed is at U0 position, the left hand side of the machine head drives the yarn nozzle gamma to separate the needles to knit the back knitting layer y of the right sleeve₁To y_mThe y of the rear woven layer of the right sleeve is then wound₁To y_mThe position coil is turned over from the back needle bed to the empty needle position corresponding to the front needle bed, then the back needle bed shakes two needles to UR2 position, and then the y of the back knitting layer of the right sleeve is₁To y_mThe bit coil is turned back to the back needle bed, so that the y of the back knitted layer of the right sleeve₁D of position coil and large back braided layer_iThe bit line coils are overlapped into a pin and marked as g bit coils of the right clamping bottom; the stitch of the right sleeve rear knitting layer of the knitted fabric is turned over from the front needle bed to the whole of the back needle bed, so that two adjacent end stitches of the right sleeve rear knitting layer and the big body rear knitting layer are overlapped inside and outside, wherein the end stitch of the right sleeve rear knitting layer is arranged on the inner side, the end stitch of the big body rear knitting layer is arranged on the outer side, and the right sleeve is connected with the back of the big body;

then, as shown in fig. 12, Y of the front knitted layer of the right sleeve at UR2 position₁To Y_mThe position coil is turned over from the front needle bed to the empty needle bed corresponding to the back needle bed, then the back needle bed is swung to the left by two needles to return to the U0 position, and then the Y of the front weaving layer of the right sleeve is pulled₁Bit coil, Y₂The bit coil is turned back to the front needle bed, so that the Y of the front knitting layer of the right sleeve₁Position coil and front braid of the body_iThe bit line coils are overlapped into a pin and marked as G bit coils at the bottom of the right clamp; that is, as the knitted fabric right sleeve front woven layer coil is turned over from the back needle bed to the whole front needle bed, the adjacent two end coils of the right sleeve front woven layer and the main body front woven layer are also overlapped inside and outside, wherein the end coil of the right sleeve front woven layer is also on the inside and the coil of the main body front woven layer is on the outside, so that the right sleeve and the front surface of the main body are connected.

S14: using a yarn nozzle gamma to carry out tucking and knitting on the overlapped part of the right sleeve and the big body, namely the right clip bottom;

as shown in fig. 13, S14 includes the steps of,

s14.1: d of back-knitting layer of large body using yarn jet gamma_i-1Bit coil, large front braid layer D_i-1Bit coil, G bit coil of right clip bottom, G bit coil of right clip bottom and y bit of right sleeve rear woven layer₂Performing tucking on the position coil;

s14.2: y of front knitting layer of right sleeve knitted by yarn nozzle gamma turning needle₂Bit coil, G bit coil at right clip bottom and D of big front woven layer_i-1A bit coil;

s14.3: y of rear knitting layer of right sleeve knitted by yarn nozzle gamma head-reversing needle-separating knitting₂Bit coil, g bit coil at right clip bottom and d of large back braided layer_i-1A bit coil.

The joint of the right sleeve and the main body, namely the right clip bottom, is reinforced through tucking and weaving, so that the right sleeve and the main body are prevented from being off-line and cracked, and the quality of the knitted clothes is improved.

S15: knitting a left sleeve front knit stitch coil, a large front knit stitch coil including a left clip bottom J-position stitch and a right clip bottom G-position stitch, and a right sleeve front knit stitch Y using a yarn carrier alpha stitch₂A bit coil;

then, turning over the stitches of the rear knitting layer of the left sleeve and the stitches of the large rear knitting layer including the j-position stitches of the left bottom clamp from the rear needle bed to the empty needle position of the front needle bed;

that is, as shown in fig. 13, the right row of the machine head drives the yarn nozzle alpha to sequentially separate the needles to weave the Z of the front weaving layer of the left sleeve₁To Z_n-5Bit coil and Z_n-1Bit coil, left J-bit coil with clamping bottom and big front braided layer D₅To D_i-1Bit coil, G bit coil of right clip bottom, and Y bit of right sleeve front woven layer₂A bit coil; then the z of the left sleeve back weaving layer₁To z_n-5Bit coil, left bottom j-bit coil, and back large braid d₅To d_i-1The loops of the position are respectively turned over from the back needle bed to the empty needle position of the front needle bed; therefore, the rear woven layer of the right sleeve is naturally transited to a yarn nozzle alpha by the yarn nozzle gamma for yarn knitting, the knitting yarn nozzle of the rear woven layer of the right sleeve is consistent with the knitting yarn nozzle of the rear woven layer of the body, the knitting of the front woven layer coil of the left sleeve is changed from the yarn nozzle beta to the yarn nozzle alpha, the front woven layer and the rear woven layer of the left sleeve are integrally knitted with the front woven layer and the rear woven layer of the body by the same yarn nozzle alpha, and the left sleeve is closely and smoothly connected with the body and forms a flat position at the bottom of the clamp.

S16: as shown in fig. 14a, the coil of the front body woven layer adjacent to the G-bit coil of the right bottom clip, the G-bit coil of the right bottom clip and the Y of the front right sleeve woven layer₂The position coil is turned over from the front needle bed to the empty needle position of the back needle bed;

then the back needle bed swings two needles to UL2 position from left, the G position coil of the right bottom clamp and the Y position coil of the front knitting layer of the right sleeve are firstly₂The position coil is turned back to the front needle bed from the back needle bed, the back needle bed shakes two needles to the U0 position right, and then turns over the coil of the large front knitting layer adjacent to the G position coil of the right clip bottom from the back needle bed to the front needle bed, so that the coil is overlapped with the G position coil of the right clip bottom to form a needle; the coil of the front big body knitting layer adjacent to the G bit line ring of the right clip bottom, namely the coil of the front big body knitting layer to be copied is turned over from the back needle bed to the front needle bed, so as to be overlapped with the G bit line ring of the right clip bottom inside and outside and to be copied flatly, wherein the G bit line ring of the right clip bottom is on the outer side; the "coil of the large front braid adjacent to the G bit coil of the right clip bottom" is respectively as shown in fig. 14aD of (A)_i-1Bit coil, D shown in FIG. 15a_i-2Bit coils, etc., and so on; namely, taking the G-bit coil of the right clamping bottom as a substrate, and flatly copying a first needle coil, a second needle coil and the like of a front knitting layer at the right end of the large body in sequence;

the back needle bed swings two needles to UL2 position, turns over the loop of the large back knitting layer adjacent to the g line loop of the right clip bottom and positioned at the front needle bed after S15 to the back needle bed, thereby overlapping the g line loop of the right clip bottom to form one needle; "the stitches adjacent to the g-side stitches of the right clip bottom and located on the back knitting stitches of the main body of the front needle bed after S15" are respectively d shown in FIG. 14a_i-1Bit coil, d shown in FIG. 15a_i-2Bit coils, etc., and so on; namely, a g-bit coil of the right clamping bottom is taken as a substrate to flatly copy a first needle coil, a second needle coil and the like of a rear knitting layer at the right end of the large body; during flat copying, the coil of the back big body knitting layer to be copied, namely the coil of the back big body knitting layer which is adjacent to the g-bit line coil of the right clip bottom and is positioned on the front needle bed after S15, is turned over from the front needle bed to the back needle bed, so that the coil of the back big body knitting layer is overlapped with the g-bit coil of the right clip bottom from inside to outside, wherein the g-bit line coil of the right clip bottom is positioned on the outer side.

S17: as shown in FIG. 14a, the back knitted layer y of the right sleeve was knitted using a yarn feeder gamma-stitch₂The position coil and the g position overlapping coil passing through the right clamping bottom after S16; y for knitting front knitting layer of right sleeve by using yarn nozzle alpha needle₂The position coil and the G position overlapped coil passing through the right clamping bottom after S16; thereby making the overlapping coil become single coil, convenient the flat copying of the follow-up coil of big body's front and back weaving layer and prevent that the coil from piling up or breaking away.

S18: as shown in fig. 14b, the g-position coil of the right bottom and the y-position of the right sleeve back woven layer are inserted₂Bit coil, right sleeve rear woven layer and y₂The adjacent loops of the position loop are turned over from the back needle bed to the empty needle position of the front needle bed;

then the back needle bed continuously swings the two needles to UL4 position, and the g position coil of the right bottom clamp and the y position coil of the back weaving layer of the right sleeve are firstly₂The position coil is turned over from the front needle bed to the back needle bed, then the back needle bed swings two needles to the right to return to the UL2 position, and then the right sleeve back weaving layer and the y position are connected₂The loops adjacent to the linear loop are turned from the front needle bed to the back needle bed, therebyAnd y of the rear woven layer of the right sleeve₂The bit line rings are overlapped into a pin; ' Right sleeve rear woven layer and y₂The coils adjacent to the bit line coil "are respectively y as shown in FIG. 14b₃Bit coil, y shown in FIG. 15b₄Bit coils, etc., and so on; i.e. with the rear knitted layer y of the right sleeve₂The position coil is used as a base, a first needle coil, a second needle coil and the like of the rear knitting layer of the right sleeve are flatly copied in sequence, and when the position coil is flatly copied, the coil of the rear knitting layer of the right sleeve to be copied, namely the rear knitting layer of the right sleeve and the y₂The loop adjacent to the line loop is turned over from the front needle bed to the back needle bed, thereby being connected with the y of the back knitting layer of the right sleeve₂The position coils are also overlapped inside and outside, wherein the y of the rear woven layer of the right sleeve₂The bit line ring is arranged on the outer side;

the back needle bed swings two needles to the UL4 position to make the front knitting layer and the Y layer of the right sleeve₂The stitch adjacent to the stitch loop and on the back needle bed after S13 is turned back to the front needle bed to be Y with the front knitted layer of the right sleeve₂The bit line rings are overlapped into a pin; front woven layer of right sleeve and Y₂The loops on the back needle bed after S13 with the adjacent loops are respectively Y as shown in FIG. 14b₃Bit coil, Y shown in FIG. 15b₄Bit coils, etc., and so on; i.e. Y of the front woven layer of the right sleeve₂The position coil is used as a base, and a first needle coil, a second needle coil and the like of the front woven layer of the right sleeve are flatly copied in sequence, and when the position coil is flatly copied, the coil of the front woven layer of the right sleeve to be copied, namely the front woven layer of the right sleeve and the Y₂The loop "adjacent to the line loop and located on the back needle bed after passing through S13 is turned over from the back needle bed to the front needle bed, thereby being engaged with the Y of the front knitted layer of the right sleeve₂The position coils are also overlapped inside and outside, wherein, the Y of the front woven layer of the right sleeve₂The bit line turns outside.

S19: as shown in FIG. 14b, the yarn feeder gamma-ray needle is used to knit the g-stitch of the right clip bottom and the y-stitch of the rear knit layer of the right sleeve after S18₂A bit overlap coil; knitting G-position coil of right clip bottom and Y-position coil of front knitting layer of right sleeve after S18 by using yarn nozzle alpha partition needle₂A bit overlap coil; therefore, the overlapped coils are changed into single coils, so that the subsequent coils of the front and rear woven layers of the right sleeve can be flatly copied conveniently, and the coils are prevented from being accumulated or scattered.

S20: repeating steps S16 to S19 for a number of times k; similarly, as shown in fig. 15a and 15b, S16 to S19 are circular overlock stitch units of right bottom, and every time repeating, the back needle bed counts 4 needle positions to the left side while the front and back knitted layers of the right sleeve and the front and back knitted layers of the right end of the big body are respectively overlock stitch; as shown in fig. 14b and 15b, after the first repetition, the back needle bed is changed from UL4 position to UL8 position, and if the second repetition is performed, the back needle bed is changed from UL8 position to UL12 position, and the third repetition is performed, the back needle bed is changed from UL12 position to UL16 position, and so on.

S21: repeating steps S16 and S17 again; as shown in fig. 16, the last stitches of the front and rear knitted layers at the right end of the bodice are respectively folded flat.

S22: the back needle bed continuously shakes two needles to the left, and the front knitting layer of the right sleeve is flatly copied with the residual coil, namely Y_k+4To Y_mThe bit stitch is turned back from the back needle bed to the front needle bed, thereby Y of the front knit layer of the right sleeve_k+4Bit line and Y₂The bit line rings are overlapped into a pin; that is, the last needle coil of the front knitting layer of the right sleeve to be overlooked is flatly overlooked with the residual coil of the front knitting layer of the right sleeve, and the needle is turned over from the back needle bed to the front needle bed integrally, thereby the last needle coil and the Y-shaped front knitting layer of the right sleeve are turned over₂The bit line rings are folded inside and outside and are folded flatly, wherein, the Y of the front weaving layer of the right sleeve₂The bit coil is still at the outside; in the application example, the last stitch Y of the front woven layer of the right sleeve to be copied_k+4The bit coil is Y as shown in FIG. 17a₅A bit coil.

S23: the back needle bed shakes two needles to the right, the g-position coil of the right clip bottom and the y of the back knitting layer of the right sleeve are connected₂Bit coil, and the remaining coil, i.e. y, of the back knitted layer of the right sleeve_k+4To y_mThe position coil is turned over from the back needle bed to the empty needle position of the front needle bed;

then the back needle bed right swing t needle returns to U0 position, the g position coil of the right bottom clamping and the y position of the right sleeve back weaving layer₂The position coil is turned back to the back needle bed from the front needle bed;

then the left sleeve rear weaving layer coil and the large body rear weaving layer which comprise the left bottom clamping rear weaving layer coil are flatly copied to form a residual coil, namely z₁To z_n-(x+4)Bit coil, z_n-1Bit line coil, j bit line coil and d_x+4To d_i-(k+3)The position loop is turned back from the front needle bed to the back needle bed; as shown in FIG. 17b, similarly to the left sleeve, in order to prevent the needle collision during needle reversing, before the needle reversing of the left sleeve back knitted layer coil and the big body back knitted layer flatly copied the residual coil, the thread guides of the head move to the right, the thread guides of the right kick yarn nozzle alpha and the thread nozzle gamma move, after the needle reversing of the left sleeve back knitted layer coil and the big body back knitted layer flatly copied the residual coil, the thread guides of the head move to the left, the thread guides of the left kick yarn nozzle alpha and the thread nozzle gamma move to the left, then the back needle bed swings two needles to UR2 bit to the right, and the y of the right sleeve back knitted layer moves to the right_k+4To y_mThe bit stitch is turned from the front needle bed back to the back needle bed, thereby the y of the back knitting layer of the right sleeve_k+4Bit coil and y₂The bit line rings are overlapped into a pin;

that is, the last needle coil of the back knitting layer of the right sleeve to be copied is firstly positioned on the front needle bed along with all the coils of the back needle bed, the back needle bed is turned over to the empty needle position of the front needle bed from the back needle bed, then the back needle bed is leftwards swung to U0 position, and then the base coil, namely y is₂The position coil and the g position coil at the right bottom clip are turned back to the back needle bed from the front needle bed, after the back needle bed is turned to UR2 position from two needles, the left stitch of the right sleeve back knitting layer is turned over to the back needle bed from the front needle bed, thus the last needle coil of the right sleeve back knitting layer to be knitted and the y position of the right sleeve back knitting layer₂The bit line rings are folded inside and outside and are flatly copied, wherein the y of the rear knitting layer of the right sleeve₂The bit coil is still at the outside; in the application example, the last stitch y of the rear woven layer of the right sleeve to be copied_k+4The bit coil is shown in FIG. 17b as y₅A bit coil.

S24: the back needle bed swings two needles to the left, and the yarn nozzle alpha needle separating is used for knitting the G-position coil of the right clip bottom and the Y-position coil of the front knitting layer of the right sleeve after S22₂The overlapping coil and the remaining coil of the front braid of the right sleeve after S22, i.e. Y_k+5To Y_mA bit coil; that is, as shown in FIG. 17c, the back needle bed swings the two left needles to return to the position U0, and the right head moves to drive the yarn nozzle alpha to the D of the front knitting layer of the big body_i-(k+3)G-position coil of right clip bottom and Y-position coil of right sleeve front woven layer are knitted by bit line coil tucking and needle separating in sequence₂Bit-overlapped coilAnd Y of the front woven layer of the right sleeve_k+5Bit, Y_k+6Position … …, Y_m-1Bit, Y_mThe yarn feeder is positioned, so that the knitting yarn feeders of the right sleeve front braid coil and the big body front braid coil are integrally knitted by the yarn feeder alpha; since k in this application example is 1, D_i-(k+3)The bit coil is D_i-4Bit coil, Y_k+5The bit coil is Y₆Bit coil, Y_k+6The bit coil is Y₇A bit coil;

then the remaining loops y of the rear woven layer of the right sleeve after the S23_k+5To y_mThe position coil is turned over from the back needle bed to the empty needle position of the front needle bed, and then the yarn nozzle gamma needle separator is used for knitting the g position coil of the right clip bottom and the y position coil of the rear knitting layer of the right sleeve after S23₂A bit overlap coil; as shown in fig. 17c, the right row of the machine head drives the yarn nozzle gamma to the knitted layer d of the back of the bodice_i-(k+3)G-position coil of right clip bottom and y-position coil of right sleeve rear knitting layer are knitted by needle separation in a position coil tucking manner₂A bit overlap coil; since k in this application example is 1, d_i-(k+3)The bit coil is d_i-4A bit coil.

Then the yarn nozzle gamma is taken out of the knitting area through the hanging and the releasing; as shown in fig. 18, the manner of taking out the yarn feeder γ in S24 is:

y using a yarn jet gamma at the rear knit layer of the right sleeve₂Knitting a loop h on a front needle bed knitting needle corresponding to the position loop, and tucking the g position loop at the right bottom clamp;

then the head is turned around to drive a yarn nozzle gamma to knit at least two loops t, namely hanging loops, on a back needle bed knitting needle corresponding to a loop of a front knitting layer of a right sleeve, odd-numbered knitting needles are arranged between every two adjacent loops t, the minimum odd number is 3, and the maximum odd number is smaller than m- (k + 4); therefore, the condition that the coil t hung on the back needle bed knitting needle is mainly in the knitting area and the coil t is positioned on the back needle bed knitting needle corresponding to the front knitting layer coil is ensured, and the product quality is improved;

then the coil h and the y of the rear woven layer of the right sleeve_k+5To y_mThe line loop turns over from the front needle bed to the back needle bed, the loop h and the y of the back knitting layer of the right sleeve₂Overlapping the position coil on a needle, and then knocking off the coil t, thereby forming the yarn nozzle gamma beltAnd (6) forming a woven area.

That is, the last stitches of flat-off can be respectively performed on the left sleeve and the main body through S9 to S11, the last stitches of flat-off can be respectively performed on the right sleeve and the main body through S21 to S23, and the yarn feeder β for knitting the left sleeve with the yarn and the yarn feeder γ for knitting the right sleeve with the yarn are respectively taken out of the needle bed and withdrawn from the knitting area, so that the knitting of the sleeves and the main body is unified into the knitting yarn feeder α of the main body by three yarn feeders, as shown in fig. 19, the integrated knitting step of the sleeves and the main body includes:

step I: the left movement of the machine head drives the yarn nozzle alpha to sequentially separate needles to weave a right sleeve rear woven layer, a large body rear woven layer and a left sleeve rear woven layer;

step II: the machine head is turned, namely, the right-hand movement drives the yarn nozzle alpha to sequentially separate needles to weave the left sleeve front woven layer, the big body front woven layer and the right left sleeve front woven layer.

S equals 4 x (x +2) -2 in S11; t is equal to 4 × (k +2) -2 in S23, in the present application example, the circular units of the flat copy at the left and right ends are repeated once each, and three needles of the flat copy are counted, i.e. x ═ k ═ 1, so that as shown in fig. 10a in S11, the left needle of the back needle bed is turned to U0, as shown in fig. 17a in S23, the right needle of the back needle bed is turned to U0; n is equal to m and i is greater than n; x is more than or equal to 1 and less than n, k is more than or equal to 1 and less than m, and x is equal to k; the application example is circulated once, namely x is equal to k is equal to 1, different x and k values can be adjusted and selected according to specific conditions in actual working conditions, preferably, x is equal to or less than 4, and is equal to or less than 8, namely, the front woven layer and the rear woven layer of the left sleeve and the right sleeve, and the front woven layer and the rear woven layer at the left end and the right end of the main body are respectively copied by 6-10 needles, the clamping bottom and the flat position above 6 needles are flatly copied are more obvious, the shape of the armpit of a human body is better met, and the stretching change of the armpit part is driven when the upper limb of the human body moves, for example, when the upper limb is clasped in the chest or lifted laterally, the armpit part is correspondingly elongated, the wearing comfort level is good, and the number of needles of the left shaking table or the right shaking table of the rear needle bed can be prevented from exceeding the stroke of the flat knitting machine when the 10 needles are flatly copied.

After the method is adopted, the invention respectively uses the connection coils (J-position and J-position coils, G-position and G-position coils) of the big body and the sleeve and one sleeve coil (Z) adjacent to the connection coil_n-1Bit sum z_n-1Bit coil, Y₂Bit coil and y₂A bit coil) ofThe flatly-folded base coil sequentially flatly folds the bodice and the sleeves, so that a flat position with two braided textures is formed at the bottom of the clamp, the bodice and the sleeves are smoothly and transitionally connected, the phenomena of missing stitches, wrong stitches and the like are avoided, the quality of knitted clothes is effectively improved, the shape of armpits of a human body is met, the stretching change of the armpits can be well adapted to the movement of upper limbs of the human body, the wearing is comfortable, and the body fitting performance is good; in addition, by the method, the coils are sequentially copied in parallel in a staggered manner, the coils are overlapped with the base coil in the same direction, namely, the coils are overlapped inside and outside, and the overlapped coils with the same property are knitted in the same direction, such as the z of the rear knitted layer of the left sleeve in fig. 7b, 8b and 10c_n-1The position overlapping coils are all woven by the left row of the machine head, so that the texture difference of the plait-shaped bottom clamping flat position formed by the flat copying coils on the inner side and the outer side of the knitted clothes can be effectively eliminated, the flat copying coils are overlapped with the base coils from the inner side to the outer side, the front and the back of the formed plait-shaped bottom clamping flat position at the same end (the left end or the right end) of the knitted clothes are symmetrically distributed, and the attractiveness of the knitted clothes is effectively improved.

Particularly, the invention takes a common pullover and a bottom clamping flat position with two plait-shaped textures as an example to carry out smooth transition connection and flat copying on a large body and sleeves, but the protection range of the invention is not limited to the method, in the actual working condition, knitted clothes or knitted fabrics with different textures and different styles can be obtained by slightly changing according to different styles and different types according to the method, for example, a comfortable and beautiful sweater with the bottom clamping flat position can be obtained by combining the method according to the knitting method of the sweater, and the bottom clamping flat positions with different quantities of plait-shaped bottom clamping flat positions and different texture patterns can be obtained by slightly changing the number of base coils, the overlapping direction of the loops to be flatly copied and the base coils or the knitting direction of the overlapping loops with the same property.

Claims (8)

1. A flat-stitching method for a back, in which a main body and sleeves are knitted with a needle of a pair of needle beds facing each other in the front-back direction and capable of traversing in the left-right direction, the main body is knitted by a yarn feeder alpha, and the left sleeve of the sleeves is knitted by the yarn feeder alphaAnd (2) knitting beta yarns, knitting the right sleeve of the sleeves with gamma yarns through a yarn nozzle, and integrally moving the left sleeve and the right sleeve towards the direction of the large body when knitting the right sleeve to the joint of the sleeves and the large body, so that the large body is adjacent to the left sleeve and the right sleeve at intervals of one needle, wherein the knitting method comprises the following steps: after the left sleeve and the right sleeve are integrally moved, the position of the needle bed is an initial zero position, which is marked as U0, and the needle bed is sequentially arranged from left to right: mark the coil of the front braid of the left sleeve as Z₁、Z₂、……、Z_nThe coil of the large front braid is marked as D₁、D₂、……、D_iAnd the coil of the front braid layer of the right sleeve is marked as Y₁、Y₂、……、Y_mCorrespondingly, the coil of the rear braid of the left sleeve is z₁、z₂、……、z_nThe coil of the large back braided layer is d₁、d₂、……、d_iThe coil of the rear braid layer of the right sleeve is y₁、y₂、……、y_mWherein n, i and m are positive integers, comprising the steps of,

s1: z of the front woven layer of the left sleeve₁To Z_nThe position coil is turned over from the front needle bed to the empty needle position corresponding to the back needle bed, then the back needle bed shakes two needles to the right, and then the Z of the left sleeve front weaving layer is changed into a Z shape₁To Z_nThe bit coil is turned back to the front needle bed so that the Z of the left sleeve front knit layer_nPosition coil and D of the large front woven layer₁The bit line coils are overlapped into a pin and marked as a J-bit coil with left clamping bottom;

then the z of the left sleeve back weaving layer₁To z_nThe position coil is turned over from the back needle bed to the empty needle bed corresponding to the front needle bed, the back needle bed shakes two needles to the left, and the z of the left sleeve back weaving layer is processed₁To z_nThe bit coil is turned back to the back needle bed so that the z of the left sleeve back knit layer_nBit coil and d of the large back braided layer₁The bit line coils are overlapped into a pin and marked as a j-bit coil of the left clamping bottom; then Z of the front woven layer of the left sleeve₁To Z_n-2The bit coil is composed ofThe front needle bed turns over the needle to the empty needle position corresponding to the back needle bed;

s2: using the yarn nozzle beta to tuck and weave the overlapping part of the left sleeve and the big body, namely the left clip bottom;

s3: knitting a stitch of the large body rear knit layer including the j-line stitch of the left clip bottom and a z-line stitch of the left sleeve rear knit layer using the yarn feeder alpha pick needle_n-1A bit coil, then d of the large back braid₂To d_iPosition coil, y of the rear woven layer of the right sleeve₁To y_mThe line loops are respectively turned over from the back needle bed to the empty needle position of the front needle bed;

s4: the back needle bed shakes two needles to the right, turns over the loop of the large back knitting layer adjacent to the j line loop of the left clip bottom and positioned on the front needle bed after S3 to the back needle bed, so as to overlap the j line loop of the left clip bottom into one needle;

the back needle bed shakes two needles to the left to make the Z of the front woven layer of the left sleeve_n-1The bit coil, the J bit coil of the left clip bottom and the coil of the big body front knitting layer adjacent to the J bit coil of the left clip bottom are turned over to the empty needle position of the back needle bed from the front needle bed,

the back needle bed shakes two needles to the right, and the Z of the front woven layer of the left sleeve is firstly woven_n-1Turning over the position coil and the J position coil of the left clip bottom from the back needle bed to the front needle bed, then swinging the back needle bed for two needles to the left, and turning over the coil of the large front woven layer adjacent to the J position coil of the left clip bottom from the back needle bed to the front needle bed so as to overlap the J position coil of the left clip bottom into one needle;

s5: the back needle bed shakes two needles to the right, and the yarn nozzle alpha is used for weaving the z of the back weaving layer of the left sleeve_n-1A bit coil and a j-bit overlapping coil of the left clip bottom after S4; z for knitting the left sleeve front knit layer using the yarn nozzle beta space needle_n-₁A position coil and a J position overlapping coil passing through the left clamping bottom after S4;

s6: the back needle bed continuously shakes two needles to the right to be in front of the left sleeveZ of the braid_n-1The stitches of the left sleeve front knit layer adjacent to the stitch loop and located on the back needle bed after passing through S1 are stitch-turned to the front needle bed so as to be Z-shaped with respect to the left sleeve front knit layer_n-1The bit line rings are overlapped into a pin;

the back needle bed swings two needles to the left, and the j-position coil at the left bottom clamp and the z-position coil at the back weaving layer of the left sleeve are connected_n-1Position coil and z of rear woven layer of left sleeve_n-1The loops of the left sleeve rear knitting layer adjacent to the line loop are turned over from the rear needle bed to the empty needle position of the front needle bed,

the back needle bed shakes two needles to the right, firstly, the z of the back weaving layer of the left sleeve is firstly_n-1The position coil and the j position coil at the left bottom clip are turned back to the back needle bed by the front needle bed, then the back needle bed swings two needles to the left, and then the position coil and the z position coil of the back knitting layer of the left sleeve are turned to the back knitting layer_n-₁The coil of the left sleeve rear knit layer adjacent to the bit line coil is turned back to the rear needle bed from the front needle bed, thereby z of the left sleeve rear knit layer_n-1The bit line rings are overlapped into a pin;

s7: the back needle bed shakes two needles at the right side, j-position coils of the left clamping bottom and z-position coils of the left sleeve rear knitting layer after S6 are knitted by using the yarn nozzle alpha partition needle_n-1A bit overlap coil; knitting J-position coil of the left clip bottom and Z of the left sleeve front knitted layer after S6 by using the yarn nozzle beta-septal needle_n-1A bit overlap coil;

s8: repeating steps S4 to S7 for a number of times x;

s9: repeating steps S4 and S5 again;

s10: the back needle bed continuously shakes two needles to the right, and the front knitting layer of the left sleeve is flatly copied with the rest of coils, namely Z₁To Z_n-(x+3)The bit loops are turned back from the back needle bed to the front needle bed so that the Z of the left sleeve front knit layer_n-(x+3)Position coil and Z_n-1The bit line rings are overlapped into a pin;

s11: the back needle bed swings two needles to the left, and the j line loop of the left bottom clamp and the z of the left sleeve back weaving layer are connected_n-1The bit coil and the remaining coil of the parallel copy, i.e. z₁To z_n-(x+3)The position coil is turned over from the back needle bed to the empty needle position of the front needle bed;

then the left s-needle of the back needle bed is turned to U0 position, and the z of the back knitting layer of the left sleeve is changed_n-1The position loops and the j position loops of the left bottom clamp are turned back to the back needle bed from the front needle bed;

then flatly copying the back knitting layer of the large body to obtain the remaining coil, namely d_x+4To d_iBit coil, and y of the right sleeve rear knit layer₁To y_mThe position loop is turned back to the back needle bed from the front needle bed;

then the back needle bed swings two needles to the left to make the z of the back knitting layer of the left sleeve₁To z_n-(x+3)The bit loops are turned back from the front needle bed to the back needle bed so that the z of the left sleeve back knit layer_n-(x+3)Position coil and z_n-1The bit line rings are overlapped into a pin;

s12: the back needle bed shakes two needles at the right side, j-position coils of the left clamping bottom and z-position coils of the left sleeve rear knitting layer after S11 are knitted by using the yarn nozzle alpha partition needle_n-1The overlapping coil and the remaining coil of the left sleeve rear knit layer after S11, i.e. z₁To z_n-(x+4)A bit coil;

then the residual coil Z of the front and back woven layers of the left sleeve after S10₁To Z_n-(x+4)The position coil is turned over from the front needle bed to the empty needle position of the back needle bed, and then the J position coil of the left bottom clip and the Z position coil of the left sleeve front woven layer after S10 are knitted by using a yarn nozzle beta needle separator_n-1A bit overlap coil;

then the yarn nozzle beta is taken out of the knitting area through loop hanging and loop releasing;

s13: y for knitting the rear knitting layer of the right sleeve by using the yarn nozzle gamma-shaped needle₁To y_mA bit line, then the y of the right sleeve back woven layer₁To y_mThe position coil is turned over to the empty needle position corresponding to the front needle bed from the back needle bed, then the back needle bed shakes two needles to the right, and then the y of the right sleeve back weaving layer is formed₁To y_mThe position loop is turned back to the back needle bed, therebyY of the rear woven layer of the right sleeve₁Bit coil and d of the large back braided layer_iThe bit line coils are overlapped into a pin and marked as g bit coils of the right clamping bottom;

then the Y of the front woven layer of the right sleeve₁To Y_mThe position coil is turned over from the front needle bed to an empty needle bed corresponding to the back needle bed, then the back needle bed is shaken for two needles to the left, and then the Y of the front weaving layer of the right sleeve is used₁Bit coil, Y₂The bit coil is turned back to the front needle bed so that Y of the right sleeve front knit layer₁Position coil and D of the large front woven layer_iThe bit line coils are overlapped into a pin and marked as G bit coils at the bottom of the right clamp;

s14: using the yarn nozzle gamma to tuck and weave the overlapping part of the right sleeve and the big body, namely the right clip bottom;

s15: knitting the left sleeve front knit layer coil, the large front knit layer coil including the left clip bottom J-position coil and the right clip bottom G-position coil, and the right sleeve front knit layer Y using a yarn carrier alpha-split needle₂A bit coil;

then, turning over the stitches of the left sleeve back knitted layer and the large body back knitted layer stitches including the j-position stitches of the left bottom clip from the back needle bed to the empty needle position of the front needle bed;

s16: the coil of the big front knitting layer, the G-bit coil of the right bottom clip and the Y of the right sleeve front knitting layer which are adjacent to the G-bit coil of the right bottom clip₂The position coil is turned over from the front needle bed to the empty needle position of the back needle bed;

then the back needle bed swings two needles to the left, and the G-position coil of the right bottom clamp and the Y-position coil of the front woven layer of the right sleeve are firstly woven₂Turning over the position coil from the back needle bed to the front needle bed, shaking two needles on the right side of the back needle bed, and turning over the coil of the large front knitting layer adjacent to the G position coil of the right clip bottom from the back needle bed to the front needle bed so as to overlap the G position coil of the right clip bottom into one needle;

the back needle bed shakes two needles to the left, turns over the loop of the large back knitting layer adjacent to the g line loop of the right clip bottom and positioned on the front needle bed after S15 to the back needle bed, so as to overlap the g line loop of the right clip bottom into one needle;

s17: y for knitting the rear knitting layer of the right sleeve by using the yarn nozzle gamma-shaped needle₂A bit coil and a g bit overlapping coil of the right clip bottom after S16; y for knitting the front knitting layer of the right sleeve by using the yarn nozzle alpha partition needle₂A position coil and a G position overlapping coil passing through the right clip bottom after S16;

s18: g-position coil of the right bottom clip and y of the rear woven layer of the right sleeve₂Bit coil, and the right sleeve rear woven layer and y₂The adjacent loops of the position loop are turned over from the back needle bed to the empty needle position of the front needle bed;

then the back needle bed continuously shakes two needles to the left, and the g-position coil of the right bottom clamp and the y-position coil of the right sleeve back weaving layer are firstly clamped₂The position coil is turned back to the back needle bed from the front needle bed, then the back needle bed shakes two needles to the right, and then the right sleeve back weaving layer and the y are connected₂The loop adjacent to the bit loop is turned back from the front needle bed to the back needle bed so as to be y of the right sleeve back knit layer₂The bit line rings are overlapped into a pin;

the back needle bed shakes two needles to the left, and the front woven layer of the right sleeve and the Y layer are connected₂The stitches adjacent to the stitch loop and on the back needle bed after S13 are turned back to the front needle bed so as to be Y-shaped with respect to the front knitted layer of the right sleeve₂The bit line rings are overlapped into a pin;

s19: knitting the g-position coil of the right clip bottom and the y-position coil of the right sleeve rear knitting layer after S18 by using the yarn nozzle gamma-septal needle₂A bit overlap coil; knitting G-position coils of the right clip bottom and Y-position coils of the right sleeve front knitted layer after S18 by using the yarn nozzle alpha partition needles₂A bit overlap coil;

s20: repeating steps S16 to S19 for a number of times k; in the same way as above, the first and second,

s21: repeating steps S16 and S17 again;

s22: the back needle bed continuously shakes two needles to the left, and the front knitting layer of the right sleeve is flatly copied with the residual coilsI.e. Y_k+4To Y_mThe bit loops are turned back from the back needle bed to the front needle bed so that Y of the front knit layer of the right sleeve_k+4Bit line and Y₂The bit line rings are overlapped into a pin;

s23: the back needle bed shakes two needles to the right, the g-position coil of the right bottom clamp and the y-position coil of the back weaving layer of the right sleeve are connected₂Bit coil, and the remaining coil, i.e. y, of the back knitted layer of the right sleeve_k+4To y_mThe position coil is turned over from the back needle bed to the empty needle position of the front needle bed;

then the right t needle of the back needle bed is turned to U0 position, and the g position coil of the right bottom clamp and the y position of the back knitting layer of the right sleeve are connected₂The position coil is turned back to the back needle bed by the front needle bed;

then flatly copying the left sleeve rear woven layer coil and the large body rear woven layer which comprise the left bottom clamping rear woven layer coil to form a residual coil, namely z₁To z_n-(x+4)Bit coil, z_n-1Bit line coil, j bit line coil and d_x+4To d_i-(k+3)The position loop is turned back to the back needle bed from the front needle bed;

then the back needle bed shakes two needles to the right side to make the y of the back knitting layer of the right sleeve_k+4To y_mThe bit loops are turned back from the front needle bed to the back needle bed so that y of the right sleeve back knit layer_k+4Bit coil and y₂The bit line rings are overlapped into a pin;

s24: the back needle bed swings two needles to the left, and the yarn nozzle alpha needle separator is used for knitting the G-position coil of the right clip bottom and the Y-position coil of the front knitting layer of the right sleeve after S22₂The overlapping coil and the remaining coil of the right sleeve front woven layer after S22, namely Y_k+5To Y_mA bit coil;

then the remaining loops y of the rear woven layer of the right sleeve after S23_k+5To y_mThe position coil is turned over from the back needle bed to the empty needle position of the front needle bed, and then the g position coil of the right clip bottom and the y position coil of the right sleeve back knitting layer after S23 are knitted by using a yarn nozzle gamma partition needle₂A bit overlap coil;

and then the yarn nozzle gamma is taken out of the knitting area through the hanging and the releasing.

2. A method of flatcopy of a sandwich bottom according to claim 1, wherein: s-4 ═ x (x +2) -2 in S11; in S23, t is 4 × (k +2) -2.

3. A method of flatcopy of a sandwich bottom according to claim 1, wherein: n is equal to m and i is greater than n.

4. A method of flatcopy of a sandwich bottom according to claim 1, wherein: x is more than or equal to 1 and less than n, k is more than or equal to 1 and less than m, and x is equal to k.

5. A method of flatcopy of a sandwich bottom according to claim 1, wherein: s2 includes the following steps of,

s2.1: d of the front large woven layer by using the yarn nozzle beta₂Bit coil, d of the rear body braid₂A bit coil, a J bit coil of the left clip bottom, a J bit coil of the left clip bottom and Z of the left sleeve front woven layer_n-1Performing tucking on the position coil;

s2.2: the yarn nozzle beta-reversing separate needle weaves the z of the left sleeve rear weaving layer_n-1A bit coil, a j bit coil at the left clip bottom and a d bit coil at the back weaving layer of the big body₂A bit coil;

s2.3: the yarn nozzle beta is turned over again to separate the needle to weave D of the front weaving layer of the big body₂A position coil, a J position coil of the left bottom clip and a Z position of the left sleeve front woven layer_n-1A bit coil.

6. A method of flatcopy of a sandwich bottom according to claim 1, wherein: in S12, the carrying-out mode of the yarn nozzle β is as follows:

z of the front woven layer of the left sleeve by using a yarn nozzle beta_n-1Knitting a loop H on the back needle bed knitting needle corresponding to the line loop, and tucking the J line loop of the left clamping bottom;

then the head is turned around to drive the yarn nozzle beta to weave at least two coils T on the front needle bed knitting needle corresponding to the coils of the left sleeve rear knitting layer, odd knitting needles are arranged between every two adjacent coils T, the minimum odd number is 3, and the maximum odd number is smaller than n- (x + 4);

then the Z of the left sleeve front woven layer is formed₁To Z_n-(x+4)The position coil and the coil H are turned over from the back needle bed to the front needle bed, and the coil H and the Z of the left sleeve front woven layer_n-1The stitches are overlapped on a stitch and then the stitch T is removed, thereby bringing the yarn mouth beta out of the knitting area.

7. A method of flatcopy of a sandwich bottom according to claim 1, wherein: s14 includes the following steps of,

s14.1: d of said large back knit layer using said yarn jet γ_i-1Bit coil, D of the large front braid_i-1A bit coil, a G bit coil of the right clip bottom, a G bit coil of the right clip bottom and a y bit of the right sleeve rear woven layer₂Performing tucking on the position coil;

s14.2: the Y of the front knitting layer of the right sleeve is knitted by the yarn nozzle gamma turning needle₂The position coil, the G position coil at the right clip bottom and the D position coil at the front weaving layer of the big body_i-1A bit coil;

s14.3: the yarn nozzle gamma is turned over again to separate the needle to weave the y of the rear weaving layer of the right sleeve₂A bit coil, a g bit coil at the right clip bottom and a d bit coil at the back of the big body_i-1A bit coil.

8. A method of flatcopy of a sandwich bottom according to claim 1, wherein: in S24, the carrying-out mode of the yarn feeder γ is:

y of the rear knit layer of the right sleeve using a yarn nozzle gamma₂Knitting a loop h on the front needle bed knitting needle corresponding to the line loop, and tucking the g line loop of the right clamping bottom;

then the head is turned around to drive the yarn nozzle gamma to weave at least two coils t on the knitting needle of the back needle bed corresponding to the coils of the front knitting layer of the right sleeve, odd-numbered knitting needles are arranged between every two adjacent coils t, the minimum odd number is 3, and the maximum odd number is smaller than m- (k + 4);

then the coil h and the y of the right sleeve back woven layer are put together_k+5To y_mThe position coil is turned over from the front needle bed to the back needle bed, and the coil h and the y of the back knitting layer of the right sleeve₂And overlapping the position coil on a needle, and then knocking off the coil t, thereby bringing the yarn nozzle gamma out of the knitting area.

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