CN116988213A - Knitting process based on cam system of computerized flat knitting machine - Google Patents

Abstract

The invention relates to the field of flat knitting machines, in particular to a knitting process based on a cam system of a computerized flat knitting machine, which can realize knitting functions such as needle-out prevention, tucking knitting, new loop knitting, loop transferring, loop splicing, rubber band tucking, high-speed cylinder plain knitting and the like on the same cam system.

Description

Knitting process based on cam system of computerized flat knitting machine

Technical Field

The invention relates to the field of flat knitting machines, in particular to a knitting process based on a cam system of a computerized flat knitting machine.

Background

The computerized flat knitting machine is a double-needle-plate latch needle weft knitting machine, the triangular system of the computerized flat knitting machine is just like a group of plane cams, the stitches of knitting needles can enter the channels of the cams, the triangular system is moved to force the knitting needles to do regular lifting motion in the needle grooves, and yarns can be knitted into knitted fabrics through the actions of needle hooks and needle latches. In the ascending process of the knitting needle, the loop gradually withdraws from the needle hook, opens the needle latch, and withdraws from the needle latch to be hung on the needle rod; in the descending process of the knitting needle, the needle hooks hook the newly laid yarn and pull and bend the newly laid yarn into loops, meanwhile, the original loops are separated from the needle hooks, the new loops pass through the old loops and are connected with the old loops in series, and a plurality of loops formed by knitting are connected with each other to form the knitted fabric.

Through setting up the cooperation of the triangle of various functions, structure difference on the triangle bottom plate, can realize different weaving functions, perhaps through the cooperation of each other of different triangles, realize same function, in a computerized flat knitting machine braiding machine mechanism like CN207109240U, adopt two sets of looping triangle seat devices to cooperate the use, be equivalent to increasing the complexity of triangle system.

Aiming at the problem that the functions of the existing single cam system are not comprehensive, the inventor further researches the problem and develops a knitting process based on the cam system of the computerized flat knitting machine, and the scheme is generated.

Disclosure of Invention

The invention aims to provide a knitting process based on a cam system of a computerized flat knitting machine, which has more various knitting functions.

In order to achieve the above object, the technical scheme of the present invention is as follows:

a knitting process based on a cam system of a computerized flat knitting machine has the following functions:

(1) Needle is not out: when the spring needle is positioned at the B position, the machine head runs, the machine head triangle and the guide pin do not act, the guide pin stops at the original position, and no needle is formed;

(2) Tuck knitting: when the spring needle is at the H position, the machine head moves, the guide pins enter, when the spring needle reaches the eye hanging tabletting, the spring needle is pressed into the needle groove, the guide pins are pressed by the spring needle and also enter the needle plate, and the machine head triangular system and the guide pins do not act; when the machine head walks out of the eye-lifting tabletting, the spring needle and the guide needle are ejected out of the needle groove, the butt of the guide needle is in needle returning motion, the knitting needle is plated, the knitting needle is pulled down through the eye-lifting triangle to form tuck length, and the sinker is pushed down to complete tuck knitting;

(3) Knitting a new coil: the machine head runs, the spring needle is pushed to the H position by the needle selection, the needle selection is pushed to the A position, the guide stitch performs loop withdrawal action and returns yarns downwards, meanwhile, the knitting needle is plated with yarns, the yarns are pulled downwards through a stitch cam to form a loop length, and the sinker is pushed downwards to complete new loop knitting;

(4) Transferring: the machine head runs, the spring needle is pushed to the H position by the needle selection, the needle selection is pushed to the A position, the lower butt of the guide needle enters from the dish mountain triangle, the upper butt of the guide needle rises upwards to the highest point along the transfer triangle, the guide needle descends and exits from the looping track, and the transfer track is completed;

(5) And (3) connecting the ring: the spring needle is pushed to the H position by the needle selection and is under the control of the loop splicing tabletting, the machine head runs, the guide needle is pressed into the needle groove, and when the machine head loop splicing tabletting butt pops out of the needle groove, the guide needle butt follows the track among the mountain folding triangle, the loop splicing triangle and the loop transferring triangle, so as to finish loop splicing;

(6) Rubber band gathering ring: the spring needle is positioned at the H position, the guide stitch ascends along the elastic triangle to reach the ring collecting position, and then the guide stitch descends along the stitch triangle to complete the ring collecting of the elastic;

(7) High-speed cylindrical plain weave: the machine head moves leftwards, the needle selector stops working, the spring needle is pushed up to the A position at the H position to enter a looping track, and when the last spring needle used for knitting slides into the H position, the machine head rotates rightwards; when the machine head is right, the spring needle is positioned at the H position, and the guide needle is pressed into the needle groove along with the movement of the machine head, so that the guide needle and the machine head triangle system do not act, and the machine head can alternately and circularly realize the high-speed cylindrical plain weave.

Further, when the needle is not withdrawn, the spring needle is pressed into the needle groove by the non-woven pressing plate, and the guide needle is also pressed into the needle groove by the spring needle.

Further, during tuck knitting, the lower butt of the guide stitch ascends along the needle lifting cam, then does not ascend along the bridge cam, transversely moves to the stitch cam and descends along the stitch cam; the sinker is pressed down by the sinker cam.

Further, when a new stitch is knitted, the lower butt of the guide stitch enters from the cam of the dish mountain, the guide stitch lifts upwards along the lifting cam and the bridge cam to perform loop withdrawing action, the guide stitch returns downwards to the yarn nozzle to plate yarn for the knitting needle, the stitch is pulled downwards through the stitch cam to form the stitch length, and finally, the stitch length is acted by the sinker cam, and the sinker is pushed downwards to complete the knitting of the new stitch.

Further, during the loop transferring action, the needle clearing cam is at the upper zero position, the needle selection is carried out for secondary reselection through the needle lifting cam, the required needle selection is pushed to the A position through the needle lifting cam, and the needle guiding butt enters from the dish mountain cam; meanwhile, the upper butt of the guide stitch upwards rises along the transfer cam to reach the highest point of the transfer high needle, and the guide stitch is extruded by the eyebrow cam to descend and exit the looping track, so that transfer is completed.

Further, when the needle is connected, the machine head moves, the first needle connecting ring pressing sheet is in an upright state, so that the guide pins are pressed into the needle grooves, the triangular control of the machine head does not act on the butts, when the machine head leaves the first needle connecting ring pressing sheet, the butts of the guide pins pop out of the needle grooves, and the butts of the guide pins act along the track between the mountain-overlapping needle connecting ring triangular and the loop transferring triangular, so that the loop connection is completed.

Further, when the rubber band is gathered, the lower butt of the guide pin moves upwards along the rubber band triangle to reach the gathering position, and then the upper butt of the guide pin is extruded and moved downwards by the left reset triangle, so that the rubber band gathering is completed; the reselected guide stitch advances along the looping track to complete looping, and the same line of knitting of the rubber band gathering ring and the main yarn looping is completed.

Further, the high-speed cylinder is flat woven, all motors, electromagnets, needle selection and the like stop working when the machine head is left, the spring needle is pushed to the A position along the flat knitting cam at the H position to enter a looping track, when the last spring needle used for knitting slides into the H position through the needle cleaning and mountain protecting cam, and the machine head immediately turns to the right; when the machine head is right, the spring needle is positioned at the H position, at the moment, the left and right connecting ring pressing sheets and the middle eye hanging pressing sheets are kept in an upright state, the guide needle is pressed into the needle groove along with the movement of the machine head, the guide needle does not act with the triangular system of the machine head, the machine head does not act, and the machine head does not act correspondingly, so that the machine head alternately circulates before and after the machine head to realize the high-speed cylindrical plain weave.

Further, the sinker butt moves along with the left hand of the machine head and moves along with the sinker cam track, the sinker cam is in a pressed state at this time, the sinker butt is pressed down, and when the sinker butt is pressed to the lowest position, the sinker enters into an inactive state.

Further, including weaving district and needle selecting district, weaving district is located needle selecting district top relatively, and needle selecting district includes jacquard triangle bottom plate, and jacquard triangle bottom plate both sides respectively are provided with a needle selector, and both ends are provided with needle lifting triangle and needle lifting triangle down respectively about the needle selector, are provided with two steps that differ in height on the needle lifting triangle down, just the step is located needle selector both sides relatively.

After the scheme is adopted, compared with the prior art, the invention has the following advantages:

1. the single system can perform the same row of rubber band gathering and knitting.

2. The efficiency is higher when the cylindrical fabric is woven;

3. the flexible control of the fabric is realized by matching with an active sedimentation system;

4. when the needle plate moves for moving the loops, the sinker can be locked so as to reduce the influence of the sinker on the loop moving.

Drawings

FIG. 1 is a schematic view of a combination needle and cam system;

FIG. 2 is a schematic view of the left hand side of the handpiece without the needle;

FIG. 3 is a schematic view of a left hand row of a head, tuck stitch;

FIG. 4 is a schematic diagram of the left hand row of the handpiece with a new stitch being knitted;

FIG. 5 is a schematic diagram of the left hand head row completing the loop transfer trajectory;

FIG. 6 is a schematic illustration of spring needle pushed to H position by the select needle and the loop action;

FIG. 7 is a schematic view of the spring needle in the H position, the elastic tuck and the primary yarn loop;

FIG. 8 is a schematic view of a high speed cylinder double sided flat knitting machine head in left hand;

FIG. 9 is a schematic view of the high speed cylinder double sided flat knitting machine head when right;

FIG. 10 is a schematic view of a sinker in an inactive sinker state;

description of the reference numerals

The triangular bottom plate 1 is provided with a triangular bottom plate,

an upper left needle pressing triangle 101, a needle turning triangle 102, an upper right needle pressing triangle 103, a left needle returning triangle 104, a left stitch triangle 105, a bridge triangle 106, a right stitch triangle 107, a right needle returning triangle 108, a left needle clearing triangle 109 (left fixed needle clearing triangle 109A, left movable needle clearing triangle 109B), a dish mountain triangle 110, a right needle clearing triangle 111 (right fixed needle clearing triangle 111A, right movable needle clearing triangle 111B), a left elastic triangle 112, a right elastic triangle 113, a hanging eye press piece 114, a nonwoven press piece 115, a left loop press piece 116, a right loop press piece 117, a left needle lifting triangle 118, a right needle lifting triangle 119, a hair triangle 120, a Zuo Ping knitting triangle 121, a right eyebrow flattening triangle 122;

the jacquard triangle bottom plate 2,

needle selector 21, upper right needle raising cam 22A, lower right needle raising cam 23A, upper left needle raising cam 22B, lower left needle raising cam 23B, needle raising cam 24;

a crochet hook 31, a guide pin 32, a spring pin 33 and a selector 34.

Detailed Description

The invention will be further described with reference to the drawings and the specific examples.

As shown in fig. 1, a cam system based on a computerized flat knitting machine and a combined needle schematic diagram matched with the cam system, the cam system comprises a cam base plate 1 and a jacquard cam base plate 21 (i.e. a needle selecting area), the combined needle corresponding to the cam base plate 1 from top to bottom comprises a crochet needle 31 (also called a knitting needle), a guide stitch 32 (also called a long needle), a spring needle 33 and a needle selecting 34 (also called a stitch), and the needle selecting 34 corresponds to a needle selecting device 21 of the jacquard cam. In the figure, the upper butt and the lower butt of the guide pin 32 each correspond to one running track, and the butt of the pogo pin 33 corresponds to one running track or the corresponding position in the a position, the H position, and the B position.

The moving track is generated by left and right lateral movement of the machine head; the butts of the pogo pins 33 are corresponding to the a, H, and B positions, which are conventional in the art, and are only marked by traces in the drawings, and will not be described again. (all indicated by dotted lines)

The upper butt of the guide stitch 32 has a moving locus in the region between the upper left needle pressing cam 101, the needle turning cam 102, the upper right needle pressing cam 103, the left needle return cam 104, the left stitch cam 105, the bridge cam 106, the right stitch cam 107, and the right needle return cam 108 from left to right.

The lower butt of the guide stitch 32 has a running track from left to right in the regions between the left needle return cam 104, the left stitch cam 105, the bridge cam 106, the right stitch cam 107, the right needle return cam 108, the left needle clearing cam 109, the dish mountain cam 110, and the right needle clearing cam 111.

The left elastic triangle 112 and the right elastic triangle 113 are arranged on two sides of the dish mountain triangle 110, the eye hanging pressing piece 114 is arranged below the dish mountain triangle 110, the non-woven pressing piece 115 is arranged below the eye hanging pressing piece 114, the left and right eye hanging pressing pieces 114 are the left loop connecting pressing piece 116 and the right loop connecting pressing piece 117, the left elastic triangle 112 is positioned above the left needle cleaning triangle 109, and the right elastic triangle 113 is positioned above the right needle cleaning triangle 111.

In the needle selecting area, needle selecting devices 21 are arranged on the left side and the right side of the jacquard triangle bottom plate 2, upper right needle lifting cams 22A are arranged on the upper and lower sides of the needle selecting devices 21, lower right needle lifting cams 23A, upper left needle lifting cams 22B, lower left needle lifting cams 23B, and needle lifting cams 24 are respectively arranged below the lower right needle lifting cams 23A and the lower left needle lifting cams 23B.

As shown in fig. 2, the principle of no needle is: when the spring needle is in the B position, the spring needle butt is in a non-woven position, and when the machine head runs, the spring needle is pressed into the needle groove by the non-woven pressing sheet 115, the guide stitch is pressed into the needle groove under the action of the spring needle, the machine head triangle and the guide stitch do not act, and the guide stitch stops at the original position to form a non-needle.

As shown in fig. 3, the spring needle is pre-selected at the H position and is positioned at the position of the hanging-mesh pressing sheet 114, when the machine head moves, the lower butt of the guide needle enters from the left needle lifting triangle 118, when the spring needle reaches the hanging-mesh pressing sheet 114, the spring needle is pressed into the needle groove because the hanging-mesh pressing sheet 114 is in an upright state, the guide needle is pressed by the spring needle and also enters into the needle plate, the bridge triangle 106 does not act with the guide needle, when the machine head moves out of the hanging-mesh pressing sheet 114, the spring needle and the guide needle eject out of the needle groove, the yarn mouth performs yarn plating for the crochet needle, the butt of the guide needle descends along the right stitch triangle 107 to form a tucking length, and finally, the sinker is pressed down to complete tucking knitting.

As shown in fig. 4, the machine head moves leftwards, the spring needle is pushed to the H position by the needle selection, when the machine head moves, the needle clearing cams (109, 111) are at the upper zero position, the needle selection performs secondary reselection through the needle lifting cam 24, the required needle selection is pushed to the A position through the needle lifting cams (22B, 23B), and the needle butt under the guide pin enters from the left needle lifting cam 118; the needle is lifted upwards along the bridge triangle 106 to perform loop withdrawing action, the yarn guide needle returns downwards to the yarn nozzle to plate the crochet needle, the yarn is pulled downwards through the right stitch triangle 107 to form the loop length, and finally, under the action of the sinker triangle, the sinker is pushed downwards to complete the knitting of a new loop.

As shown in fig. 5, the machine head moves leftwards, the spring needle is pushed to the H position by the needle selection, when the machine head moves, the needle clearing cams (109, 111) are at the upper zero position, the needle selection performs secondary reselection through the needle lifting cam 24, the required needle selection is pushed to the A position through the right lower needle lifting cam 23A, and enters from the right needle lifting cam 119; meanwhile, the upper butt of the guide stitch rises upwards along the transfer cam 102 to reach the highest point of the transfer high needle, the guide stitch is extruded by the inclined plane of the eyebrow cam 120 to descend, and then the lower butt exits from the lower looping track along the stitch cam 105, so that the transfer track is completed.

As shown in fig. 6, during the loop joining, the spring needle is pushed to the H position by the needle selection, under the control of the loop joining press pieces (116 and 117), the machine head runs, the guide needle in the vertical state of the left loop joining press piece 116 is pressed into the needle groove, the machine head cam control and the needle butt do not act, when the machine head leaves the left loop joining press piece 116 and the needle butt pops out of the needle groove, the lower needle butt of the guide needle moves up along the dish mountain cam 110, and then the upper needle butt of the guide needle moves down along the contour of the lower side of the needle turning cam 102, so that the loop joining is completed.

As shown in fig. 7, when the elastic band is gathered, the spring needle is preselected to the H position, the machine head firstly moves left, the knitting needle passes through the needle selector 21 on the right side and then moves right, the right elastic band cam 113 is pushed out, the knitting needle which is not preselected does not participate in the elastic band knitting under the action of the non-knitting press piece 115, and the knitting needle further participates in the needle selection to perform the elastic band knitting through the right lower needle lifting cam 23A.

As shown in figure 8, when the high-speed cylinder is used for double-sided plain knitting, all motors, electromagnets, needle selectors and the like stop working when the machine head is left, the spring needle pushes the A position on the H position along the plain knitting cams (121, 122) to enter the looping track, and when the last spring needle used for knitting slides into the H position through the needle clearing cam, the machine head can immediately turn right.

As shown in fig. 9, when the machine head is right, the spring needle is in the H position, at this time, the left and right loop pressing pieces (116, 117) and the middle hanging piece 114 are kept in an upright state, the guide needle is pressed into the needle groove along with the movement of the machine head, the guide needle does not act with the triangle of the machine head, and the machine head performs the knitting action of fig. 2, so that the high-speed cylindrical plain knitting is realized in a circulating way.

As shown in fig. 10, the sinker stops; the sinker butt moves into the sinker along with the left of the machine head, moves along the sinker cam track, the right locking cam is in a downward pressing action state at the moment, the sinker butt is pressed down by the locking cam, and when the sinker butt is pressed to the lowest position, the sinker enters an inactive state.

The foregoing is only specific embodiments of the present invention, and words such as "upper, lower, left, right, middle" and the like "related to the present invention are merely used by way of reference, not to be construed as limiting, and any insubstantial modifications made by the present invention shall fall within the scope of the invention.

Claims (10)

1. The knitting process based on the cam system of the computerized flat knitting machine is characterized by comprising the following functions:

(1) Needle is not out: when the spring needle is positioned at the B position, the machine head runs, the machine head triangle and the guide pin do not act, the guide pin stops at the original position, and no needle is formed;

(2) Tuck knitting: when the spring needle is at the H position, the machine head moves, the guide pins enter, when the spring needle reaches the eye hanging tabletting, the spring needle is pressed into the needle groove, the guide pins are pressed by the spring needle and also enter the needle plate, and the machine head triangular system and the guide pins do not act; when the machine head walks out of the eye-lifting tabletting, the spring needle and the guide needle are ejected out of the needle groove, the butt of the guide needle is in needle returning motion, the knitting needle is plated, the knitting needle is pulled down through the eye-lifting triangle to form tuck length, and the sinker is pushed down to complete tuck knitting;

(3) Knitting a new coil: the machine head runs, the spring needle is pushed to the H position by the needle selection, the needle selection is pushed to the A position, the guide stitch performs loop withdrawal action and returns yarns downwards, meanwhile, the knitting needle is plated with yarns, the yarns are pulled downwards through a stitch cam to form a loop length, and the sinker is pushed downwards to complete new loop knitting;

(4) Transferring: the machine head runs, the spring needle is pushed to the H position by the needle selection, the needle selection is pushed to the A position, the lower butt of the guide needle enters from the dish mountain triangle, the upper butt of the guide needle rises upwards along the transfer triangle to reach the highest point, the guide needle descends and exits from the transfer track, and the transfer track is completed;

(5) And (3) connecting the ring: the spring needle is pushed to the H position by the needle selection and is under the control of the loop splicing tabletting, the machine head runs, the guide needle is pressed into the needle groove, and when the machine head loop splicing tabletting butt pops out of the needle groove, the guide needle butt follows the track among the mountain folding triangle, the loop splicing triangle and the loop transferring triangle, so as to finish loop splicing;

(6) Rubber band gathering ring: the spring needle is positioned at the H position, the guide stitch ascends along the elastic triangle to reach the ring collecting position, and then the guide stitch descends along the stitch triangle to complete the ring collecting of the elastic;

(7) High-speed cylindrical plain weave: the machine head moves leftwards, the needle selector stops working, the spring needle is pushed up to the A position at the H position to enter a looping track, and when the last spring needle used for knitting slides into the H position, the machine head rotates rightwards; when the machine head is right, the spring needle is positioned at the H position, and the guide needle is pressed into the needle groove along with the movement of the machine head, so that the guide needle and the machine head triangle system do not act, and the high-speed cylindrical plain weaving is realized in a circulating way.

2. The knitting process based on the cam system of the computerized flat knitting machine according to claim 1, wherein the knitting process comprises the following steps: when the needle is not out, the spring needle is pressed into the needle groove by the non-woven pressing plate, and the guide needle is also pressed into the needle groove under the action of the spring needle.

3. The knitting process based on the cam system of the computerized flat knitting machine according to claim 1, wherein the knitting process comprises the following steps: during tucking knitting, the lower butt of the guide stitch ascends along the needle lifting cam, then does not ascend along the bridge cam, transversely moves to the stitch cam and descends along the stitch cam; the sinker is pressed down by the sinker cam.

4. The knitting process based on the cam system of the computerized flat knitting machine according to claim 1, wherein the knitting process comprises the following steps: when a new loop is knitted, the lower butt of the guide stitch enters from the needle lifting cam of the dish mountain, the guide stitch lifts upwards along the needle lifting cam and the bridge cam to perform loop withdrawing action, the guide stitch returns downwards to the yarn nozzle to plate yarn for the knitting needle, the stitch is pulled downwards through the stitch cam to form the loop length, and finally, the sinker is pressed downwards under the action of the sinker cam to complete the knitting of the new loop.

5. The knitting process based on the cam system of the computerized flat knitting machine according to claim 1, wherein the knitting process comprises the following steps: during the loop transferring action, the needle clearing cam is at the upper zero position, the needle selection is carried out for secondary reselection through the needle lifting cam, the required needle selection is pushed to the A position through the needle lifting cam, and the needle guiding butt enters from the dish mountain cam; meanwhile, the upper butt of the guide stitch upwards rises along the transfer cam to reach the highest point of the transfer high needle, and the guide stitch is extruded by the eyebrow cam to descend and exit the looping track, so that transfer is completed.

6. The knitting process based on the cam system of the computerized flat knitting machine according to claim 1, wherein the knitting process comprises the following steps: when the machine head goes out of the first loop connecting pressing butt to pop out of the needle groove, the needle butt of the guide stitch acts along the track between the mountain-overlapping loop connecting triangle and the loop transferring triangle, and the loop connecting is completed.

7. The knitting process based on the cam system of the computerized flat knitting machine according to claim 1, wherein the knitting process comprises the following steps: when the rubber band is looped, the lower butt of the guide pin ascends along the rubber band triangle to reach the loop-gathering position, then the upper butt of the guide pin is limited by the left reset triangle, the lower butt of the guide pin descends along the stitch triangle at the same side, and the rubber band loop-gathering is completed; the reselected guide stitch advances along the looping track to complete looping, and the same line of knitting of the rubber band gathering ring and the main yarn looping is completed.

8. The knitting process based on the cam system of the computerized flat knitting machine according to claim 1, wherein the knitting process comprises the following steps: the high-speed cylinder is knitted flatly, all motors, electromagnets, needle selection and the like stop working when the machine head moves leftwards, the spring needle pushes the A position to enter a looping track along the flat knitting cam at the H position, and when the last spring needle used for knitting slides into the H position through the needle clearing and mountain protecting cam, the machine head immediately turns rightwards; when the machine head is right, the spring needle is positioned at the H position, at the moment, the left and right joint ring pressing sheets and the middle eye hanging pressing sheets are kept in an upright state, the guide needle is pressed into the needle groove along with the movement of the machine head, the guide needle does not act with the triangular system of the machine head, and the machine head on the other side carries out corresponding needle outlet and needle outlet free, so that the machine head can alternately and circularly realize the high-speed cylindrical plain weave.

9. The knitting process based on the cam system of the computerized flat knitting machine according to claim 1, wherein the knitting process comprises the following steps: the sinker butt moves along with the left of the machine head and moves along with the sinker cam track, the sinker cam is in a pressing-down state at the moment, the sinker butt is pressed down, and when the sinker butt is pressed to the lowest position, the sinker enters an inactive state.

10. The knitting process based on the cam system of the computerized flat knitting machine according to claim 1, wherein the knitting process comprises the following steps: the knitting area is relatively located above the needle selecting area, the needle selecting area comprises a jacquard triangle bottom plate, two sides of the jacquard triangle bottom plate are respectively provided with a needle selector, the upper end and the lower end of the needle selector are respectively provided with an upper needle lifting triangle and a lower needle lifting triangle, the lower needle lifting triangle is provided with two steps with different heights, and the steps are relatively located on two sides of the needle selector.