阅读说明：本技术 一种袜机用缝齿针及使用方法 (Tooth sewing needle for hosiery machine and using method ) 是由 陈仲纪 于 2021-08-10 设计创作，主要内容包括：一种袜机用缝齿针及使用方法,包括缝齿针,缝齿针包括针脚、针杆、针尖,所述的针杆与针尖位于同一平面上或者位于水平平面上；所述的针尖上没有设置针槽。本发明采用针尖不设置针槽,直接插接不同线圈的技术结构,避免缝齿针与拾取转移针或者织针对针配合,解决了因为缝齿针与拾取转移针或者织针之间的对针错位而导致的漏针、脱圈现象,提高了织物缝合效率,实现不需要更换缝制装置零配件就可以用于从不同针筒针数的袜机或圆型针织设备上缝合不同针数袜子的袜机用缝齿针。(A tooth sewing needle for hosiery machines and a using method thereof comprise a tooth sewing needle, wherein the tooth sewing needle comprises a stitch, a needle rod and a needle point, and the needle rod and the needle point are positioned on the same plane or a horizontal plane; the needle point is not provided with a needle groove. The invention adopts the technical structure that the needle point is not provided with the needle groove and different coils are directly inserted and connected, avoids the matching of the sewing tooth needle and the pickup transfer needle or the knitting needle, solves the phenomena of needle missing and stitch dropping caused by the needle aligning dislocation between the sewing tooth needle and the pickup transfer needle or the knitting needle, improves the sewing efficiency of the fabric, and realizes the sewing tooth needle for the hosiery machine which can be used for sewing socks with different needle numbers on the hosiery machine or the circular knitting equipment with different needle cylinder needle numbers without replacing the parts of the sewing device.)

1. The utility model provides a hosiery machine is with seam tooth needle, seam tooth needle (201) include stitch (20 a), needle bar (20 b), needlepoint (20 c), its characterized in that: the needle bar and the needle tip are positioned on the same plane or on a horizontal plane; the needle point is not provided with a needle groove.

2. The sewing needle for hosiery machines according to claim 1, characterized in that: one needle rod is integrally connected with one needle point or two needle points or three needle points.

3. The sewing needle for hosiery machines according to claim 2, characterized in that: the needle point is horizontally bent relative to the needle rod, or the needle point thickness is smaller than the needle rod thickness or the needle point width is smaller than the needle rod width.

4. The sewing needle for hosiery machines according to claim 2, characterized in that: the two needle points are horizontally bent relative to the needle bar, or the thicknesses of the two needle points are smaller than the thickness of the needle bar, or the widths of the two needle points are smaller than the width of the needle bar, or one needle point and the needle bar are positioned on the same plane, and the other needle point and the needle bar are positioned on the horizontal plane.

5. The sewing needle for hosiery machines according to claim 2, characterized in that: the three needle points are horizontally bent relative to the needle bar, or the thicknesses of the three needle points are smaller than the thickness of the needle bar, or the widths of the three needle points are smaller than the width of the needle bar, or one needle point and the needle bar are positioned on the same plane, and the other two needle points and the needle bar are positioned on the horizontal plane.

6. The sewing needle for hosiery machines according to claim 1, characterized in that: the sewing needle is a double-needle sewing needle formed by combining two sewing needles and is provided with two needle points.

7. The sewing needle for hosiery machines according to claim 6, characterized in that: two needle points of the double-needle sewing needle are horizontally bent relative to the respective needle bar or one needle point of the double-needle sewing needle is horizontally bent relative to the needle bar and the other needle point is coaxially arranged with the needle bar.

8. The sewing needle for hosiery machines according to claim 6, characterized in that: the thickness of two needle points of the double-needle sewing needle is smaller than the thickness of the needle bar of each needle or the thickness of one needle point is smaller than the thickness of the needle bar, and the thickness of one needle point is equal to the thickness of the needle bar.

9. The sewing needle for hosiery machines according to claim 6, characterized in that: the width of two needle points of the double-needle sewing toothed needle is smaller than the width of respective needle bar or the width of one needle point is smaller than the width of the needle bar and the width of the other needle point is equal to the width of the needle bar.

10. The sewing needle for hosiery machines according to claim 6, characterized in that: one needle point and the needle bar of the double-needle sewing needle are positioned on the same plane, and the other needle point and the needle bar are positioned on the horizontal plane.

11. The sewing needle for hosiery machines according to claim 1, characterized in that: the sewing needle is a three-needle sewing needle formed by combining three sewing needles and is provided with three needle points.

12. The sewing needle for hosiery machines according to claim 1, characterized in that: three needle points of the three-needle sewing needle are horizontally bent relative to respective needle bars or one of the needle points is coaxial with the needle bars, and the other two needle points are horizontally bent relative to the respective needle bars.

13. The sewing needle for hosiery machines according to claim 12, characterized in that: the thickness of three needle points of the three-needle sewing needle is smaller than the thickness of each needle bar or the thickness of one needle point is smaller than the thickness of the needle bar, the thickness of the other two needle points is the same as that of the needle bars or the thickness of the two needle points is smaller than that of the needle bars, and the thickness of the other needle point is the same as that of the needle bars.

14. The sewing needle for hosiery machines according to claim 12, characterized in that: one needle point and the needle bar of the three-needle sewing needle are positioned on the same plane, the other two needle points and the needle bar are positioned on the horizontal plane or the two needle points and the needle bar are positioned on the same plane, and the other needle point and the needle bar are positioned on the horizontal plane.

15. The sewing needle for hosiery machines according to claim 1, characterized in that: the stitch is divided into three types, one is a bent stitch (20 a), the other is a stitch (20 f) with a relative needle bar unidirectional lug structure, and the other is a stitch with a relative needle bar bidirectional lug structure.

16. A use method of a sewing needle for hosiery machine is characterized in that: the needle bar and the needle point are positioned on the same plane or a horizontal plane, and the needle point of the needle bar does not correspond to a knitting needle or a pickup transfer needle and directly punctures a coil on the sock.

17. The method of using a needle having teeth as defined in claim 16, wherein: the sewing toothed needle is arranged on the sewing dial, and the total number of needle points of the sewing toothed needle on the sewing dial is 1.1-3 times of the number of coil holes on a coil of a sock knitting circle.

18. The method of using a needle having teeth as defined in claim 16, wherein: the needle point number on the sewing tooth needle be two, the interval between two needle points is more than or equal to the interval of two coils that two needle points puncture, and the interval of two coils is the interval between two coil central points.

19. The method of using a needle having teeth as defined in claim 16, wherein: when the sewing tooth needle punctures the last fourth circle of the knitted sock or punctures the coil before the last fourth circle, the total number of needle points of the sewing tooth needle on the sewing dial is smaller than the number of coil holes of the coil of the knitted sock.

20. The method of using a needle having teeth as defined in claim 16, wherein: the working steps are as follows:

the working step one: after the last circle of socks is knitted, the sock knitting machine moves the pick-up and transfer device (2) to a position above the needle cylinder to wait for picking up and transferring the socks;

and a second working step: the top sock leg moves upwards, and the picking and transferring device (2) transfers the socks out of the needle cylinder and moves and transfers the socks to the sewing device (16);

the third working step: the pick-up and transfer device transfers the socks to the sewing tooth needles of the sewing dial without aligning;

working step four: the sewing tooth needle (201) on the right sewing dial (18 a) of the sewing dial rotates towards the left sewing dial (18);

the working step five: the turning semicircular device (17) drives the sewing tooth needle (201) on the right sewing dial (18 a) to turn to the same horizontal position as the left sewing dial (18) and then the upper pushing ring plate (19) moves towards the direction of the lower pushing ring plate (19a), so that the coil and the secondary coil of the sock on the sewing tooth needle (201) in the needle groove of the left sewing dial (18) move towards the direction of the lower pushing ring plate (19 a);

the working step six: the loop of the sock is pushed onto the sewing tooth needle on the right sewing dial (18) by the upper pushing ring plate (19), the sock is clamped by the upper pushing ring plate (19) and the lower pushing ring plate (19a) at the same time, then the toe sewing machine (21) enters the working state of sewing the toe, and the lower sewing needle and the upper sewing needle do not contact the sewing tooth needle (201) during sewing.

Technical Field

The invention relates to a fabric sewing needle, in particular to a sewing needle for a hosiery machine and a using method thereof.

Background

The sewing tooth needle is a special device on an integrated hosiery machine and is used for completing the sewing function of the sock toe by matching with a knitting needle or a pick-up transfer needle. The integrated hosiery machine has the automation functions of hosiery knitting, transferring, end sewing and the like, and after the last circle of hosiery is knitted, the existing integrated hosiery machine needs to transfer the hosiery with different needle numbers in the needle cylinder of the hosiery machine with different needle numbers to the sewing device for end sewing. For example, the first sock is the needle cylinder of 100 knitting needles, the 100-needle latch sewing device is needed to cooperate to complete the sewing work, the second sock is the needle cylinder of 200 knitting needles, the 200-needle latch sewing device is needed to cooperate to complete the sewing work, and in the process, the first sock is the needle cylinder of 100 knitting needles, the second sock is the needle cylinder of 200 knitting needles, the second sock is the needle cylinder of 100 knitting needles, the second sock is the needle cylinder of 200 knitting needles, the second sock is the needle cylinder of the sewing needle cylinder, the second sock is the needle cylinder of 100 knitting needles, the second sock is needed to cooperate to complete the sewing work, and the second sock is the needle cylinder, the second sock is the needle cylinder of 100 knitting needles, the needle cylinder, the second sock is the needle cylinder of the second sock is the second sock

The needle grooves of each sewing tooth needle are required to be aligned with the knitting needles on the needle cylinder or the picking transfer needles on the picking transfer device in the traditional transfer process, the conditions of missed stitches, hanging loops, needle drop and the like caused by the fact that the needle grooves of the sewing tooth needles are not aligned with the picking transfer needles and the knitting needles are not aligned often occur in the process, the sewing device containing the sewing tooth needles needs to be replaced, and the time and the accessory cost of a user are increased. How to improve the manufacturing efficiency of socks with different needle counts and hosiery machines with needle cylinders with different needle counts, that is, how to realize the sewing function of socks with different needle counts without changing the sewing device, is the object of study by those skilled in the art.

Disclosure of Invention

The invention provides a sewing needle with teeth, which can be used on hosiery machines with different needle numbers without replacing parts of a sewing device and can be used for sewing socks with different needle numbers.

A tooth sewing needle for hosiery machines comprises a stitch, a needle rod and a needle point, wherein the needle rod and the needle point are positioned on the same plane or a horizontal plane; the needle point is not provided with a needle groove. The sewing tooth needle for the hosiery machine has no needle groove and is not matched with a knitting needle or a pickup transfer needle, so that the sewing tooth needle directly punctures the hosiery to realize the sewing function of the hosiery with different needle numbers under the state of needle cylinders with different needle numbers.

One needle rod of the sewing tooth needle is integrally connected with one needle point or two needle points or three needle points. The sewing needle adopts an integrated connecting structure. Can be directly punched and formed, greatly reduces the manufacturing cost and simultaneously improves the puncture capability of the sewing tooth needle for the sock coil.

The needle point is horizontally bent relative to the needle rod, or the needle point thickness is smaller than the needle rod thickness or the needle point width is smaller than the needle rod width. According to the needle point structure of the sewing tooth needle, due to the adoption of technical means such as bending, thickness reduction and width reduction, the puncture capability of the sewing tooth needle on a sock coil is increased, and the damage of the sewing tooth needle on the coil is reduced.

The two needle points are horizontally bent relative to the needle bar, or the thicknesses of the two needle points are smaller than the thickness of the needle bar, or the widths of the two needle points are smaller than the width of the needle bar, or one needle point and the needle bar are positioned on the same plane, and the other needle point and the needle bar are positioned on the horizontal plane. The sewing needle with the two needle point structures has the advantages that the sewing needle with the two needle point structures is increased in puncture capacity of a sock coil through bending, thickness reduction, width reduction and other technical means, damage of the sewing needle with the two needle point structures to the coil is reduced, the two needle point structures have the function of simultaneously puncturing one coil hole, and the sewing transfer capacity of the sewing needle with the different socks and the adaptability of needle cylinders with different needle numbers are improved.

The three needle points are horizontally bent relative to the needle bar, or the thicknesses of the three needle points are smaller than the thickness of the needle bar, or the widths of the three needle points are smaller than the width of the needle bar, or one needle point and the needle bar are positioned on the same plane, and the other two needle points and the needle bar are positioned on the horizontal plane. This kind of seam serrated needle adopts three needle point structure, through bending, reduce thickness, technical means such as reduce the width, realize the puncture ability increase of seam serrated needle to the socks coil, reduce the damage of seam serrated needle to the coil, and three needle point structure has multiple puncture locking ability, wherein two needle points can puncture a coil hole simultaneously, another needle point punctures another coil hole, also can puncture three coil hole simultaneously, the sewing transfer ability of seam serrated needle to the socks of different needle counts and the adaptability to the needle cylinder of different needle counts have been improved greatly.

The sewing needle is a double-needle sewing needle formed by combining two sewing needles and is provided with two needle points. The sewing needle with the teeth is combined by the two single sewing needles, the ability of puncturing the sock loops is improved, and meanwhile, the sewing needle with the teeth is locked by puncturing a loop hole through the double needles, so that the sewing transfer ability of the sewing needle for different socks and the adaptability of the sewing needle for needle cylinders with different needle numbers are improved. Of course, the two needle points can also respectively puncture one coil, and the locking performance is improved by the fact that the distance between the two needle points is larger than the distance between the central holes of the two coils.

Two needle points of the double-needle sewing needle are horizontally bent relative to the respective needle bar or one needle point of the double-needle sewing needle is horizontally bent relative to the needle bar and the other needle point is coaxially arranged with the needle bar. The needle point of this kind of horizontal bending structure is because there is horizontal interval between its and the needle bar, is favorable to more in the installation of double-needle seam latch needle and to the puncture of socks, specifically provides the installation performance for the needle bar cooperation is made the dial, and the needle point punctures socks, improves the adaptation installation performance of double-needle seam latch needle.

The thickness of two needle points of the double-needle sewing needle is smaller than the thickness of the needle bar of each needle or the thickness of one needle point is smaller than the thickness of the needle bar, and the thickness of one needle point is equal to the thickness of the needle bar. The needle point of this kind of thin slice structure that thickness reduces is favorable to more puncturing the coil hole on the socks, improves the two-needle puncture locking performance of two needle seam latch needles, and its coil hole density differs when socks to different needle counts, and to the great coil tissue of density, this kind of two needle seam latch needles adaptability is stronger.

The width of two needle points of the double-needle sewing toothed needle is smaller than the width of respective needle bar or the width of one needle point is smaller than the width of the needle bar and the width of the other needle point is equal to the width of the needle bar. The needle point of this kind of narrow limit structure that the width reduces is favorable to more puncturing the coil hole on the socks, improves the two-needle puncture locking performance of two needle seam latch needles, and its coil hole size differs when socks to different needle counts, and to the less coil tissue in coil hole, this kind of two needle seam latch needles adaptability is stronger.

One needle point and the needle bar of the double-needle sewing needle are positioned on the same plane, and the other needle point and the needle bar are positioned on the horizontal plane. This kind of double needle point structure is because a needle point and needle bar are located can the sharp socks coil of puncture on the coplanar, and another needle point is located the horizontal plane, and what another needle point punctured also is another coil of socks, has horizontal interval between two coils, and this kind of horizontal interval can all realize snatching the locking when the needle cylinder to the socks of different needle counts, has improved this kind of double needle seam serrated needle adaptability greatly.

The sewing needle is a three-needle sewing needle formed by combining three sewing needles and is provided with three needle points. The sewing needle gear combines the three single sewing needle gear, increases the puncture capability to the sock coil, and has the advantages that the locking capability is further improved when the two needles puncture one coil hole for locking and the third needle punctures the other coil hole. Of course, the three needle points can also respectively puncture one coil, the puncture locking capability is greatly improved by controlling the distance between the three needle points, and the adaptability of the hosiery machine for the socks with different needle numbers and the needle cylinders with different needle numbers is enhanced.

Three needle points of the three-needle sewing needle are horizontally bent relative to respective needle bars or one of the needle points is coaxial with the needle bars, and the other two needle points are horizontally bent relative to the respective needle bars. The sewing needle with the tooth adopts a three-needle-point structure, and various puncture locking capabilities are realized through different bending means, wherein two needle points can puncture one coil hole at the same time, the other needle point can puncture the other coil hole, and the three coil holes can also be punctured at the same time, so that the sewing transfer capability of the sewing needle with the tooth for socks with different needle numbers and the adaptability for needle cylinders with different needle numbers are greatly improved.

The thickness of three needle points of the three-needle sewing needle is smaller than the thickness of each needle bar or the thickness of one needle point is smaller than the thickness of the needle bar, the thickness of the other two needle points is the same as that of the needle bars or the thickness of the two needle points is smaller than that of the needle bars, and the thickness of the other needle point is the same as that of the needle bars. The needle point of this kind of thin slice structure that thickness reduces is favorable to more puncturing the coil hole on the socks, improves three-needle puncture locking performance of three-needle seam latch needle, and its coil hole density differs when socks to different needle number, and to the great coil tissue of density, this kind of three-needle seam latch needle adaptability is stronger, can realize accurate puncture more.

One needle point and the needle bar of the three-needle sewing needle are positioned on the same plane, the other two needle points and the needle bar are positioned on the horizontal plane or the two needle points and the needle bar are positioned on the same plane, and the other needle point and the needle bar are positioned on the horizontal plane. According to the three-needle sewing tooth needle, one needle point or two needle points and the needle rod are located on the same plane and can penetrate through the sock loops in a straight line, the other two needle points or one needle point is located on the horizontal plane, namely the other needle point or the two needle points penetrate through the other or two loops of the sock, horizontal intervals exist among the three loops, and the horizontal intervals can achieve multi-point position grabbing and locking when the needle cylinders with different needle numbers are used for socks with different needle numbers. The adaptability of the three-needle sewing tooth needle to socks with different needle numbers and needle cylinders with different needle numbers is improved.

The stitch is divided into three types, one is a bent stitch, the other is a stitch with a structure corresponding to the unidirectional convex block of the needle bar, and the other is a stitch with a structure corresponding to the bidirectional convex block of the needle bar. The three stitches are more favorable for installation and matching of the sewing tooth needle, particularly the stitches with the bidirectional lug structure have matching control performance of a sewing dial, and can also match an upper pushing ring plate or a lower pushing ring plate to achieve double matching performance of two sets of devices.

The needle rod and the needle point are positioned on the same plane or a horizontal plane, and the needle point of the sewing needle is not aligned with a knitting needle or a pickup transfer needle, and directly punctures a coil on socks, so that the grabbing and locking functions of socks with different needle numbers and needle cylinders with different needle numbers are realized on the basis of not replacing parts.

The sewing toothed needle is arranged on the sewing dial, the total number of needle points of the sewing toothed needle on the sewing dial is 1.1-3 times of the number of the coil holes on one coil of the sock knitting circle, saturated insertion and extraction of the coil holes of the sock knitting circle are achieved through the sewing toothed needle with multiple times, and the technical problems of needle leakage, coil slip and the like are avoided.

The needle point number on the sewing tooth needle be two, the interval between two needle points is more than or equal to the interval of two coils that two needle points puncture, and the interval of two coils is the interval between two coil central points. The locking effect of the stitch needle on the sock coil is realized by the distance between the two needle points being more than or equal to the distance between the two coils punctured by the two needle points.

When the sewing tooth needle punctures the last fourth circle of the knitted sock or punctures the coil before the last fourth circle, the total number of needle points of the sewing tooth needle on the sewing dial is smaller than the number of coil holes of the coil of the knitted sock. Due to the puncture method, the last fourth loop of the knitted sock knitted by the sewing tooth needle is completed, and thus, the stitch missing can not be caused due to the superposition entanglement effect of the three loops of the front loops, so that when the sewing tooth needle is used for sewing and transferring the sock, the total number of needle points of the sewing tooth needle on the sewing dial is smaller than the number of loop holes of one loop of the knitted sock, and the stitch missing can not be caused when the sock knitted by different needle cylinder numbers is sewn and transferred.

The use method of the sewing tooth needle comprises the following working steps:

the working step one: after the last circle of socks is knitted, the sock knitting machine moves the pick-up and transfer device to a position above the needle cylinder to wait for picking up and transferring the socks;

and a second working step: the top sock cylinder moves upwards, and the picking and transferring device transfers the socks out of the needle cylinder and moves towards the sewing device;

the third working step: the pick-up and transfer device transfers the socks to the sewing tooth needles of the sewing dial without aligning;

working step four: the sewing tooth needle on the right sewing dial of the sewing dial rotates towards the left sewing dial;

the working step five: the turnover semicircular device drives the sewing tooth needle on the right sewing dial to turn to the same horizontal position as the left sewing dial, and then the upper pushing ring plate moves towards the direction of the lower pushing ring plate, so that the coil and the auxiliary coil of the socks on the sewing tooth needle in the needle groove of the left sewing dial move towards the direction of the lower pushing ring plate;

the working step six: the upper pushing ring plate pushes the coil of the sock to the upper surface of the sewing tooth needle on the right sewing dial, the upper pushing ring plate and the lower pushing ring plate clamp the sock at the same time, then the toe sewing machine enters the working state of sewing the toe of the sock, and the lower sewing needle and the upper sewing needle do not contact the sewing tooth needle during sewing. The using method of the pick-up and transfer device does not need to align needles, socks are transferred to the sewing teeth needles of the sewing dial to realize the transfer and sewing functions of socks or fabrics with different needle numbers under the state of needle cylinders with different needle numbers, because the sewing teeth needles directly puncture the socks to pick up the socks, the sewing teeth needles and the transfer dial in the pick-up device do not need to be matched and replaced, the manufacturing cost of parts matched with equipment is greatly reduced, the sewing transfer efficiency is improved, and the phenomena of needle missing and needle knocking over in the traditional needle pick-up and sewing modes are avoided.

The invention has the advantages that the sewing tooth needle has no needle groove and is not matched with the picking transfer needle and is not matched with the sewing needle, the loop on the socks is directly punctured to realize the transfer sewing function of the socks with different needle numbers under the state of needle cylinders with different needle numbers, the socks are directly punctured to carry out transfer sewing, the sewing tooth needle and the transfer needle disc and the sewing needle in the picking device do not need to be matched and replaced, the manufacturing cost of the matched parts of the equipment is greatly reduced, and the picking transfer sewing efficiency is improved.

Drawings

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

FIG. 1 is a schematic view of a sewing needle for hosiery machine according to the present invention;

FIG. 2 is a schematic view of a structure of the present invention in which one needle tip of the sewing needle is horizontally bent relative to the needle bar;

FIG. 3 is a structural view of the present invention, in which the needle tip width of the sewing tooth needle is smaller than the needle bar width;

FIG. 4 is a schematic view of the structure of the present invention in which the needle tip thickness of the sewing tooth needle is smaller than the needle bar thickness;

FIG. 5 is a schematic structural view of the needle tip of the sewing tooth needle of the present invention, which is smaller than the needle bar and is positioned at the right front of the needle bar;

FIG. 6 is a schematic structural view of the needle tip of the sewing tooth needle of the present invention, which is smaller than the needle bar and is positioned at the left rear side of the needle bar;

FIG. 7 is a schematic structural view of the needle tip of the present invention with the thickness smaller than that of the needle bar and the needle tip located at the rear right side of the needle bar;

FIG. 8 is a schematic view of a single piece sewing needle with two needle tips according to the present invention;

FIG. 9 is a schematic structural view of a single-piece sewing needle with two horizontally bent needle tips according to the present invention;

FIG. 10 is a schematic view of a single-piece sewing needle with three horizontally bent needle tips according to the present invention;

FIG. 11 is a structural diagram of the needle tip of the sewing tooth needle of the invention, which is smaller than the needle bar and is positioned at the right front side after the needle bar is bent;

FIG. 12 is a structural diagram of the sewing tooth needle of the invention, in which the needle point thickness is smaller than the needle bar thickness and the needle point is located at the left front side of the bent needle bar;

FIG. 13 is a structural schematic view of the needle tip of the single-piece sewing tooth needle horizontally bent leftwards in the invention;

FIG. 14 is a structural schematic view of the needle tip of the single-piece sewing tooth needle bent horizontally to the right in the present invention;

FIG. 15 is a schematic structural view of the needle tip of the latch needle of the present invention, which has a width smaller than the width of the needle bar and is located at the left back bend of the needle bar;

FIG. 16 is a schematic structural view of the needle tip of the suturing tooth needle of the present invention, which has a width smaller than the width of the needle bar and is located at the right back bend of the needle bar;

FIG. 17 is a schematic structural view of the sewing tooth needle of the present invention, in which the needle point width is smaller than the needle bar width and the needle point is located at the left front bend of the needle bar;

FIG. 18 is a schematic structural view of the needle tip of the suturing tooth needle of the present invention, which has a width smaller than the width of the needle bar and is located at the right front bend of the needle bar;

FIG. 19 is a schematic structural view of the needle tip of the suturing tooth needle of the present invention at the left front horizontal bend of the needle bar;

FIG. 20 is a schematic view of a sewing needle with bi-directional projection stitches of the present invention;

FIG. 21 is a schematic view of a sewing tooth needle with a bi-directional protrusion and horizontally bent stitch according to the present invention;

FIG. 22 is a schematic view of the structure of the present invention with bidirectional cam stitch having the needle tip width smaller than the needle shaft width;

FIG. 23 is a schematic view of the structure of a needle with a unidirectional projection, wherein the needle point width of the needle is smaller than the needle bar width;

FIG. 24 is a schematic view of a sewing needle configuration of the present invention having a horizontally bent and unidirectional projection stitch;

FIG. 25 is a schematic view of a double needle sewing needle structure according to the present invention;

FIG. 26 is a structural view of a two-point needle of the present invention, wherein one of the two points is horizontally bent;

FIG. 27 is a schematic view of a needle with two needle tips according to the present invention;

FIG. 28 is a schematic view of a three-needle sewing needle structure according to the present invention;

FIG. 29 is a schematic view of a double needle sewing needle structure having a bending structure according to the present invention;

FIG. 30 is a schematic view of a three-needle sewing needle structure having a bending structure according to the present invention;

FIG. 31 is a schematic view of a double-needle sewing needle with a reduced tip thickness according to the present invention;

FIG. 32 is a view showing a structure of a three-needle sewing toothed needle in which the needle tip thickness is reduced in the present invention;

FIG. 33 is a schematic view of a double needle sewing machine with a left-right bending structure according to the present invention;

FIG. 34 is a schematic view of a three-needle sewing needle having a left-right bending structure according to the present invention;

FIG. 35 is a schematic view of a double needle sewing tooth needle structure with a left front bend structure according to the present invention;

FIG. 36 is a schematic view of a three-needle sewing needle structure having a needle bar bending structure according to the present invention;

FIG. 37 is a schematic view of a double needle sewing tooth needle structure with a left back bend structure according to the present invention;

FIG. 38 is a schematic view of a three-needle latch needle having a left-right needle point bent structure according to the present invention;

FIG. 39 is a schematic structural view of a double-needle sewing needle with a needle bar bent horizontally and a needle tip having a left-right bent structure according to the present invention;

FIG. 40 is a schematic view of a three-needle sewing needle structure with a horizontally bent needle bar according to the present invention;

FIG. 41 is a schematic view of a single needle sewing needle with bi-directional projection needle tip thickness less than the needle shaft thickness and needle tip left forward of the needle shaft according to the present invention;

FIG. 42 is a schematic view of a single needle sewing needle structure of the present invention having bi-directional lug stitches with a needle tip thickness less than the needle shaft thickness and a needle tip at the front right of the needle shaft;

FIG. 43 is a schematic view of a double needle sewing needle having a bi-directional projection needle with a needle tip of less thickness than the needle bar and a needle tip at the front right and front right of the needle bar according to the present invention;

FIG. 44 is a schematic view of a three-needle sewing needle with bi-directional projection needle having needle tips located right in front and front of the needle bar in accordance with the present invention;

FIG. 45 is a structural view of a single-needle latch needle with a bent needle bar having a bi-directional projection needle tip with a thickness less than that of the needle bar and a needle tip located at the left front of the needle bar according to the present invention;

FIG. 46 is a schematic view of a single needle sewing needle structure with a needle bar bend having a bi-directional projection needle with a needle tip of the sewing needle having a thickness less than the needle bar thickness and a needle tip located right forward of the needle bar in accordance with the present invention;

FIG. 47 is a structural view of a single needle latch needle having a bi-directional projection needle tip with a thickness less than the thickness of the needle shaft and a needle tip at the left rear of the needle shaft according to the present invention;

FIG. 48 is a schematic view of a single needle sewing needle having a bi-directional projection needle with a needle tip of less thickness than the needle shaft and a needle tip located at the rear right of the needle shaft according to the present invention;

FIG. 49 is a schematic view of a three-needle latch needle structure of the present invention having bi-directional projection stitches with a needle tip thickness less than the needle shaft thickness;

FIG. 50 is a schematic view of a double needle sewing needle having a bi-directional projection needle with a needle tip thickness less than the needle shaft thickness according to the present invention;

FIG. 51 is a structural view of a latch needle with a bi-directional projection pin and a latch needle tip bent to the left and the front according to the present invention;

FIG. 52 is a view showing the structure of a latch needle with a bi-directional projection pin and a needle tip bent to the right and forward according to the present invention;

FIG. 53 is a structural view of a latch needle with a bi-directional protrusion pin and a needle tip bent backward and leftward according to the present invention;

FIG. 54 is a view showing the structure of a latch needle having a bi-directional projection pin and having a needle tip bent backward to the right according to the present invention;

FIG. 55 is a schematic view of a needle with bi-directional bumps having a needle tip with a left-to-right bend in the structure of a double needle-point needle according to the present invention;

FIG. 56 is a schematic view of a three-needle latch needle with a bidirectional cam pin and a needle tip bent to the left and right according to the present invention;

FIG. 57 is a schematic view of a needle structure with bidirectional protrusions and a needle tip bent horizontally to the left in the present invention;

FIG. 58 is a structural view of a sewing tooth needle with a bidirectional protrusion stitch and a needle tip bent horizontally to the right according to the present invention;

FIG. 59 is a schematic structural view of a double-needle-sewing needle with a bidirectional-bump needle having a needle tip bent horizontally to the right and left, respectively, according to the present invention;

FIG. 60 is a schematic view of a three-needle sewing needle with bidirectional convex block stitches, the needle points of which are horizontally bent to the right and left, respectively, according to the present invention;

FIG. 61 is a view showing the structure of a sewing needle having a bidirectional projection needle of the present invention, one needle tip bent to the right, and one needle tip horizontal to the needle bar;

FIG. 62 is a schematic view of a sewing needle configuration of the present invention having bi-directional lug stitches, one needle tip bent horizontally to the right, and one needle tip horizontal to the needle shaft;

FIG. 63 is a view of a two-point needle design of the present invention with a bi-directional lug needle where the needle tip is horizontal to the needle shaft;

FIG. 64 is a view showing the structure of a double-pointed needle having a bidirectional projection needle in the present invention, in which the needle tip is bent horizontally with respect to the needle shaft;

FIG. 65 is a schematic view of a needle structure of the present invention having a bi-directional tab stitch and three needle points;

FIG. 66 is a structural view of a sewing needle with a bi-directional projection needle having a needle tip bent to the left after bending a needle bar according to the present invention;

FIG. 67 is a structural view of a needle with a bidirectional projection needle having a needle tip bent to the right after bending a needle bar according to the present invention;

FIG. 68 is a schematic view of the structure of the sewing dial picking and transferring socks of the present invention;

FIG. 69 is a schematic view of the structure of the sewing dial of the present invention cooperating with the pick-up and transfer device to pick up and transfer socks;

FIG. 70 is a schematic view showing a structure of a needle for sewing teeth on a dial of the needle for preparing to puncture socks in accordance with the present invention;

FIG. 71 is a schematic view showing the structure of the needle puncture sock with the needle teeth on the sewing dial according to the present invention;

FIG. 72 is a schematic structural view of the present invention after the completion of the penetration of the sock by the needle for sewing the teeth on the dial;

FIG. 73 is a schematic view of the sewing needle of the sewing dial for preparing the sock toe for sewing;

FIG. 74 is a schematic view of the sewing needle wheel with the sewing teeth for sewing the toe of the sock according to the present invention;

FIG. 75 is a schematic view of the structure of the present invention for the space between two needle tips and the space between two coil centers on a sewing needle.

Detailed description of the preferred embodiments

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

In detail, referring to fig. 1 to 75, a sewing needle for hosiery machines, which is a sewing needle 201, includes a needle foot 20a, a needle bar 20b, and a needle tip 20c, the needle bar and the needle tip being located on the same plane or on a horizontal plane, and the needle tip being provided with no needle groove. The needle point 20c directly punctures the sock coil, and the needle point directly punctures to achieve the pick-up stitching locking function of the coil. As the technical common knowledge in the field, the sewing toothed needles are uniformly arranged on a sewing dial of a sewing device according to the number of knitting needles in a needle cylinder, generally, the number of the sewing toothed needles arranged on one sewing dial is between 70 and 280, and the picking and sewing functions of socks or cylindrical fabrics are completed through combined action.

As shown in fig. 1, 8, 9 and 10, one needle rod is integrally connected with one needle point or two needle points or three needle points, so that the simultaneous puncture performance of one needle rod on one coil hole, two coil holes and three coil holes on the sock is realized, and the transfer locking performance of the stitch needle on the sock is improved.

Embodiment 1 as shown in fig. 2, one needle tip 202a of the needle 202 is bent horizontally with respect to the needle shaft to improve the mounting convenience and the transfer locking performance of the needle 202.

Embodiment 2 as shown in fig. 4, the needle point 210a of the sewing tooth needle 210 has a thickness smaller than that of the needle bar, so that it is convenient to puncture the sock coil in a dense use state, the puncture performance of the sewing tooth needle 210 is improved, the sock coil is prevented from being damaged, and the locking performance is improved.

Embodiment 3 as shown in fig. 3, the needle point 20e of the sewing tooth needle 203 has a width smaller than the width of the needle bar, so that it is convenient to puncture the sock stitch in a use state where the hole is small, the puncture performance of the sewing tooth needle 203 is improved, and the sock stitch is prevented from being damaged.

Embodiment 4 as shown in fig. 5, the needle point 211a of the needle tooth 211 is smaller in thickness than the needle bar, and the needle point 211a is located right in front of the needle bar, so that the needle tooth 211 can be used in a state where the puncture needle is used with a dense sock coil hole, the puncture performance of the needle tooth 211 can be improved, the sock coil can be prevented from being damaged, and the locking performance can be improved.

Embodiment 5 as shown in fig. 6, the needle tip 212a of the needle 212 is smaller in thickness than the needle bar, and the needle tip 212a is located at the left rear side of the needle bar, so that the needle is convenient to use in a state where the puncture needle penetrates the sock coil hole densely, the puncture performance of the needle 212 is improved, the sock coil is prevented from being damaged, and the locking performance is improved.

In embodiment 6, as shown in fig. 7, the needle tip 213a of the needle 213 is smaller in thickness than the needle bar, and the needle tip 213a is located at the rear right side of the needle bar, so that the needle 213 can be used in a state where the puncture needle is used with a dense hole for puncturing a sock coil, and the needle 213 can improve the puncture performance, prevent the sock coil from being damaged, and improve the locking performance.

Embodiment 7 as shown in fig. 8, the needle point 214a of the latch needle 214 is two, and the two needle points 214a are located at the same level with the needle bar, so that technical performance of simultaneously piercing one coil hole or two coil holes is realized, and locking performance for socks is improved.

Embodiment 8 as shown in fig. 9, two needle tips 215a of the needle 215 are horizontally bent 215b with respect to the needle shaft, so that the locking performance of the needle tips with respect to the socks is improved on the basis of convenient installation.

Or the thickness of the two needle points is smaller than that of the needle bar or the width of the two needle points is smaller than that of the needle bar or one needle point and the needle bar are positioned on the same plane, and the other needle point and the needle bar are positioned on the horizontal plane.

Embodiment 9 as shown in fig. 10, the three needlepoints 216a of the needle 216 are horizontally bent relative to the needle bar to facilitate installation, so that the locking performance of the three needlepoints for socks at the same time is realized.

In embodiment 10, as shown in fig. 11, the needle point 217a of the needle gear 217 is smaller in thickness than the needle bar, the needle point 217a is located at the front right of the needle bar, and a bend 217b is provided between the needle point 217a and the needle bar, so that it is convenient to puncture a dense sock coil hole in a use state, and the puncture performance and the mounting performance of the needle gear 217 are improved, thereby preventing the sock coil from being damaged, and improving the locking performance.

Embodiment 11 as shown in fig. 12, the needle tip 218a of the needle 218 is smaller in thickness than the needle bar, the needle tip 218a is positioned at the left front side of the needle bar, and a bend 218b is provided between the needle tip 218a and the needle bar, so that it is convenient to pierce a sock coil in a dense use state, and the piercing performance and the mounting performance of the needle 218 are improved, and the sock coil is prevented from being damaged, and the locking performance is improved.

In embodiment 12, as shown in fig. 13, the width of the needlepoint 219a of the latch needle 219 is smaller than the width of the needle bar, and a leftward bend 219b is provided between the needlepoint 219a and the needle bar, so that the latch needle 219 can pierce a sock stitch in a small use state, the piercing performance of the latch needle 219 is improved, and the sock stitch is prevented from being damaged.

Embodiment 13 as shown in fig. 14, the needle tip 220a of the needle 220 is smaller in width than the needle bar, and a rightward bend 220b is provided between the needle tip 220a and the needle bar, so that the needle 220 can be used in a state where the loop hole of the sock is small, the puncture performance of the needle 220 can be improved, and the loop of the sock can be prevented from being damaged.

In embodiment 14, as shown in fig. 15, the width of the needle tip 221a of the needle gear 221 is smaller than the width of the needle bar, a leftward bend 221b is provided between the needle tip 221a and the needle bar, and the bend 221b is located inside the needle bar, so that the needle gear 221 can be used in a state where the inner loop hole of the sock is small, the piercing performance of the needle gear 221 can be improved, and the loop of the sock can be prevented from being damaged.

Embodiment 15 as shown in fig. 16, the width of the needlepoint 222a of the needle-tooth sewing needle 222 is smaller than the width of the needle bar, a bend 222b is provided between the needlepoint 222a and the needle bar, and the bend 222b is located inside the needle bar, so that the needle-tooth sewing needle 222 can be used in a state where the inner loop hole of the sock is small, the puncturing performance of the needle-tooth sewing needle 222 is improved, and the loop of the sock is prevented from being damaged.

Embodiment 16 as shown in fig. 17, the width of the needlepoint 223a of the needle latch 223 is smaller than the width of the needle bar, and a downward and leftward bend 223b is provided between the needlepoint 223a and the needle bar, so that the needle latch 223 can be easily mounted and used in a state where a loop hole of a sock is small, and the puncture performance of the needle latch 223 can be improved to prevent damage to the loop of the sock.

Embodiment 17 as shown in fig. 18, the width of the needlepoint 224a of the needle latch 224 is smaller than the width of the needle bar, and a bend 224b is provided between the needlepoint 224a and the needle bar in the downward and rightward direction, which facilitates the mounting of the needle latch 224 and the use state in which the hole for piercing the loop of the sock is small, improves the piercing performance of the needle latch 224, and prevents the loop of the sock from being damaged.

Embodiment 18 as shown in fig. 19, the width of the needlepoint 225a of the needle 225 is smaller than the width of the needle bar, and a horizontal leftward bend 225b is provided between the needlepoint 225a and the needle bar, so that the needle 225 can be easily mounted and used in a state where a loop hole of a sock is small, the puncture performance of the needle 225 is improved, and the loop of the sock is prevented from being damaged. Of course, the horizontal left bend 225b in this embodiment may also be horizontal right.

Example 19 as shown in fig. 20, a sewing needle 226, the sewing needle 226 includes a bidirectional projection structure stitch 226b, and a needle tip 226a, the projection of the bidirectional projection structure stitch 226b in one direction is matched with a sewing dial, and the projection in the other direction is matched with an upper pushing ring plate or a lower pushing ring plate, so as to achieve the dual matching performance of the two sets of devices.

Example 20 as shown in fig. 21, a bidirectional-lug-structured needle 227 for suturing, the needle 227 includes a horizontal bend 227b and a needle tip 227a, which improves the convenience of mounting puncture on the basis of dual matching performance.

Embodiment 21 as shown in fig. 22, the bidirectional cam structure stitch latch needle 228 is a stitch latch needle 228, in which the stitch latch needle 228 includes a needle tip 228a, and the width of the needle tip 228a is smaller than the width of the needle bar, so as to facilitate the insertion of the sock stitch in a small use state, improve the insertion performance of the stitch latch needle 228, and prevent the sock stitch from being damaged.

EXAMPLE 22A latch needle 204 of a one-way projection structure stitch 20f as shown in FIG. 23, the latch needle 204 includes a needle point 20j, the needle point 20j has a width smaller than the width of the needle shaft, so as to facilitate the piercing of the sock stitch in a smaller use state and improve the piercing performance of the latch needle 204, and the one-way projection structure stitch 20f matches with the upper push ring plate or the lower push ring plate to improve the sock toe sewing effect.

Example 23 as shown in fig. 24, the sewing needle 205 with a one-way projection structure stitch, the sewing needle 205 includes a needle point 20h, the needle point 20h is horizontally bent with respect to the needle bar, so as to improve the puncturing performance of the sewing needle 205, and the one-way projection structure stitch matches with an upper pushing ring plate or a lower pushing ring plate to improve the sewing effect of the sock toe.

Example 24 the needle of the present invention is a double-needle 300 formed by combining two needles, i.e., a needle point 20j on the needle 204 and a needle point 20h on the needle 205, as shown in fig. 25.

Embodiment 25 as shown in fig. 26, in the sewing needle 206, two needle points, one 20K of which is provided with a horizontal bend 208 and the other 20j of which is positioned at the same horizontal plane with the needle bar, are used for puncturing the sock through the needle points of two different planes, so that the technical purpose of locking transfer sewing of the sock is achieved.

Example 26 as shown in fig. 27, a double needle locking performance for socks is realized by combining two sewing teeth needles 201 with a connecting piece 291 to form a sewing teeth needle having two needle points.

Example 27a needle having three needle points, which are respectively the needle 210, 211, 203, and which realize three-needle locking performance for socks, is formed by combining three needle units as shown in fig. 28.

Example 28 as shown in fig. 29, the two sewing teeth needles 242 and 243 are combined to form a sewing teeth needle having two needle points, which are located at the left and right sides of the sewing teeth needle to further improve the penetration capability of the sewing teeth needle for socks, to achieve the double needle locking performance for socks.

Embodiment 29 the three sewing needle with three needle points 242, 243, 202 having the bending structure as shown in fig. 30 is combined to form the sewing needle with three needle points, and the three-needle locking performance for the sock is realized on the basis of the convenience of installation.

Example 30 as shown in fig. 31, the two sewing needles 212 and 213 combined to form a sewing needle having two needle tips, achieve the double needle locking performance for the sock, and the puncture is located near the inner side of the sock stitch.

Example 31 as shown in fig. 32, a three-needle latch needle in which the needle point thickness is reduced is constituted by combining the latch needles 212, 213, and 201, and three needle points are arranged in the front-rear direction to realize the three-needle locking performance for socks.

Example 32 as shown in fig. 33, a double-needle latch needle having a left-right fold structure is constituted by combining latch needles 219 and 220, and two needle points are arranged left and right to realize a double-needle locking performance for socks.

Example 33 as shown in fig. 34, a three-needle latch needle having a left-right fold structure is constituted by combining latch needles 219, 220, and 203, and the three needle points are arranged left and right to realize a double-needle locking performance for socks.

Example 34 as shown in fig. 35, the double needle latch needle having the left-front bend structure is constituted by combining the latch needle 223 and the latch needle 203, and the double needle locking performance for the sock is realized by the two needle point structures in different states.

Example 35 as shown in fig. 36, the three-stitch latch needle having the needle bar bending structure is constituted by combining the three-stitch latches 223, 202, and 224, and achieves the three-stitch locking performance for the socks by the three needle point structures arranged on the same line.

Example 36 as shown in fig. 37, the double needle latch needle having the left-back bend structure realizes the double needle locking performance for the sock by the needle point structures of the two different states of the latch needle 201 and 221.

Example 37 a three-needle sewing needle having a structure in which needle points are bent left and right as shown in fig. 38, which includes sewing needles 221, 222, 201, the three-needle locking performance for socks is achieved by two needle points arranged on the same line in cooperation with a needle point structure located at the front.

Example 38 as shown in fig. 39, the needle bar is horizontally bent, and the needle point of the double needle sewing needle has a left-right bent structure, and the double needle sewing needle includes the sewing needle 250, 251, and achieves the performance of the double needle locking sock on the basis of improving the installation convenience by bending in two directions.

Example 39 as shown in fig. 40, the needle bars of the needle teeth 250 and 251 are horizontally bent, and the three needle teeth of the needle teeth 201 form a three-needle tooth sewing needle, which realizes the three-needle locking performance for socks by the cooperation of two needle points arranged on the same line and a needle point structure located at the rear.

Embodiment 40 as shown in fig. 41, the bidirectional-projection-structured stitch latch needle 252 includes a needle point 252a, the needle point 252a has a thickness smaller than that of the needle bar, so as to facilitate the use of the sock stitch in a state where the density of holes is high, and the puncturing position is located at the left front of the needle bar to improve the puncturing performance of the latch needle 252 and prevent the sock stitch from being damaged.

Embodiment 41 as shown in fig. 42, the needle 253 of the bidirectional cam structure stitch includes a needle tip 253a, the needle tip 253a has a thickness smaller than the thickness of the needle bar, so as to facilitate the use of the needle in a state of high density of sock loops, and the needle is positioned at the right front of the needle bar, so as to improve the puncturing performance of the needle 253 and prevent damage to the sock loops.

In embodiment 42, as shown in fig. 43, the double needle combination of the sewing tooth needle 253 and 252 facilitates the use of the sock stitch in a state where the density of the puncture holes is high, and the puncture positions are right and left of the needle bar, thereby improving the double needle puncture performance of the sewing tooth needle and preventing the sock stitch from being damaged.

In example 43, as shown in fig. 44, the three-needle combination of the needle tooth 253, 252 and 281 facilitates the use of the sock stitch in which the density of the holes is high, and the puncture positions are at the right front, left front and middle positions of the needle bar, thereby improving the three-needle puncture performance of the needle tooth and preventing the sock stitch from being damaged.

Example 44 as shown in fig. 45, the needle 254 with bidirectional projection structure comprises a needle point 254a, the needle point 254a has a thickness smaller than that of the needle bar, so that the needle bar can be bent to facilitate the use of socks with a higher density of loop holes, and to facilitate the installation of needle cylinders with different needle counts for socks with different needle counts.

Example 45 a needle 255 of a bidirectional cam structure stitch as shown in fig. 46, wherein the needle 255 includes a needle tip 255a, the needle tip 255a has a thickness smaller than that of the needle bar, and after the needle bar is bent, the needle tip is positioned at the front right of the needle bar, which facilitates the use of the needle bar in which the stitch hole density of the puncture sock is high, and also facilitates the installation of the needle bar to increase the adaptability to the socks with different needle counts and the needle cylinders with different needle counts.

Example 46 as shown in fig. 47, the needle 256 of the bidirectional cam structure stitch includes a needle point 256a, the needle point 256a has a thickness smaller than the thickness of the needle bar, and the needle point is located at the left rear of the needle bar, so as to facilitate the use of the needle bar with a high density of holes for puncturing the sock loops, and to facilitate the installation of the needle bar with increased adaptability to socks with different stitch numbers and needle cylinders with different stitch numbers.

Example 47 as shown in fig. 48, a needle with bidirectional projection structure 257 is provided, the needle with bidirectional projection structure 257 includes a needle tip 257a, the needle tip 257a has a thickness smaller than the thickness of the needle bar, and the needle tip is located at the rear right side of the needle bar, so as to facilitate the use of socks with higher stitch hole density, and facilitate the installation of needle cylinders with different stitch numbers for socks with different stitch numbers.

Example 48 As shown in FIG. 49, there is provided a three-needle latch needle comprising three latch needles 254, 255, and 281, which is bent to form a two-needle sheet piercing in the front portion, and which is capable of facilitating the mounting of a three-needle-piercing sock in a state of use in which the stitch hole density is high, and also capable of increasing the adaptability of the needle cylinder to different-needle-count socks.

Example 49A double-needle latch needle comprising two latch needles 254 and 255 as shown in FIG. 50, wherein the double-needle latch needle is bent to form a double-needle sheet piercing of a front portion, and the double-needle latch needle is used in a state where the hole density of the two-needle pierced sock loops is high, and is also easy to mount and increase the adaptability of the needle cylinder to the socks with different needle counts.

Example 50 as shown in fig. 51, the needle 265 of the bidirectional lug structure stitch includes a needle point 265a, the needle point 265a is horizontal to the left front side of the needle bar through a bend 265b, so as to increase the selection of the needle point puncture angle and improve the adaptability of the needle cylinders with different needle numbers for socks with different needle numbers.

Example 51 as shown in fig. 52, the stitch needle 266 with the bidirectional lug structure stitch, the stitch needle 266 comprises a needle point 266a, the needle point 266a is horizontal with the right front side of the needle bar through a bend 266b, the selection of the needle point puncture angle is increased, and the adaptability of the needle cylinders with different needle numbers for socks with different needle numbers is improved.

Example 52 as shown in fig. 53, the needle 258 of the bidirectional cam structure stitch comprises a needle point 258a, the needle point 258a is horizontal with the left back side of the needle bar through a bend 258b, the needle point puncture angle selection is increased, and the adaptability of the needle cylinders with different needle numbers for socks with different needle numbers is improved.

Example 53 as shown in fig. 54, the stitch needle 259 with bidirectional cam structure has a needle tip 259a, the needle tip 259a is horizontal to the right rear side of the needle bar through a bend 259b, so that the needle tip penetration angle selection is increased, and the adaptability of different needle number needle cylinders for socks with different needle numbers is improved.

Example 54 as shown in fig. 55, the double-needle latch needle is constituted by combining latch needles 265 and 266, and two needle points are horizontally bent with respect to respective needle bars, so that the double-needle locking performance is achieved, the selection of needle point puncture angles is increased, and the adaptability of different needle number needle cylinders to socks with different needle numbers is improved.

Example 55 as shown in fig. 56, the needle with sewing teeth comprises three needles with sewing teeth 265, 266, 281, one needle point and the needle bar are on the same plane, the other two needle points and the needle bar are on the horizontal plane, so as to achieve the locking performance of three needles, increase the selection of the needle point puncture angle, and improve the adaptability of the needle cylinders with different needle counts for socks with different needle counts.

Example 56a needle 260 having a bidirectional cam structure as shown in fig. 57, the needle 260 includes a needle tip 260a, the needle tip 260a is horizontally arranged on the left front side of the needle bar by a bend 260b, so as to increase the selection of the needle tip penetration angle and improve the adaptability of the needle cylinders with different needle counts for socks with different needle counts.

Example 57 as shown in fig. 58, a double-needle cam structure needle 261 having a needle tip 261a, the needle tip 261a is horizontally arranged on the right front side of the needle bar by a bend 261b, so that the selection of the needle tip penetration angle is increased, and the adaptability of the needle cylinder with different needle counts for socks with different needle counts is improved.

EXAMPLE 58 As shown in FIG. 59, the combination of the needled gear 261, 260 forms a double needle needled gear with both needle tips having a width less than the width of the respective shaft, improving penetration performance for socks of different stitch count.

EXAMPLE 59 As shown in FIG. 60, the combination of the needle teeth 261, 260, 281 forms a three-needle tooth in which one needle point is coaxial with the needle shaft and the other two needle points are bent horizontally with respect to the respective needle shaft, increasing the selection of the needle point penetration angle and improving the adaptability of the needle cylinders with different needle counts for socks with different needle counts.

Embodiment 60 as shown in fig. 61, the needle 262 with sewing teeth comprises a needle point 262a which is located on the same plane with the needle bar, and another needle point 262b which is located on the horizontal plane with the needle bar, so that the needle point puncture angle selection is increased, the double-needle locking stitch hole effect is realized, and the adaptability of the needle cylinders with different needle numbers for socks with different needle numbers is improved.

Embodiment 61 as shown in fig. 62, the needle 263 with sewing teeth comprises a needle point 263a located on the same plane with the needle bar, and another needle point 263b located on the horizontal plane after bending with the needle bar, so as to increase the selection of the needle point puncturing angle, realize the double-needle locking loop hole effect, and improve the adaptability of the needle cylinder for socks with different needle counts and different needle counts.

Embodiment 62 punches two needle points on the needle shaft of the needle 264 shown in fig. 63, reduces the manufacturing difficulty, saves the manufacturing cost, and has the performance of a double-needle lock hole.

Example 63a needle shaft of a needle 276 having two needle points stamped thereon as shown in fig. 64, the two needle points being bent with respect to the needle shaft, reducing manufacturing difficulties, saving manufacturing costs, and providing a double needle locking hole feature.

Embodiment 64 three needle points are punched on the needle bar of the needle 275 as shown in fig. 65, and the three needle points are bent relative to the needle bar, thereby reducing the manufacturing difficulty, saving the manufacturing cost and having the performance of a three-needle lock hole.

Example 65 as shown in fig. 66, a double-cam needle 267 with a stitch structure, the needle 267 includes a needle point 267a, and the needle point 267a is horizontal to the left front side of the needle bar by bending, so as to increase the selection of the needle point penetration angle and improve the adaptability of the needle cylinders with different needle counts for socks with different needle counts.

EXAMPLE 66A double cam configuration stitch needle 268 as shown in FIG. 67, the needle 268 includes a needle point 268b, the needle point 268b is horizontal to the left front side of the needle bar by a bend 268a, so as to increase the selection of the needle point penetration angle and improve the adaptability of the needle cylinders with different needle counts for socks with different needle counts.

The sewing toothed needle is arranged on the sewing dial 18 as the structure optimization, the total number of needle points of the sewing toothed needle on the sewing dial 18 is 1.1-3 times of the number of the coil holes on one circle of socks knitting, and the locking performance of needle cylinders with different needle numbers for socks with different needle numbers is realized through the sewing toothed needle with multiple times, so that the problems of needle drop and needle missing are prevented.

Preferably, the number of the needlepoints 20c on the needle is two, the distance X between the two needlepoints 20c is larger than or equal to the distance y between the two coils a3 and a4 punctured by the two needlepoints, and the distance between the two coils is the distance between the central points of the two coils. The gap arrangement avoids the needle leakage problem of the sewing tooth needle in the picking and transferring sewing process.

In order to further improve the pick-up transfer sewing performance of the sewing tooth needle in a non-needle-shaped state, when the sewing tooth needle punctures the last fourth circle of the knitted sock or punctures the coil before the last fourth circle, the total number of needle points of the sewing tooth needle on the sewing dial is smaller than the number of coil holes of one circle of the knitted sock, and the problem of needle missing in the pick-up process of the sewing tooth needle is avoided by utilizing the superposition winding effect of the three circles.

As shown in fig. 68-74: a use method of a sewing tooth needle comprises the following working steps:

the working step one: the hosiery knitter 1 moves the pick-up and transfer device 2 to the position above the needle cylinder 6 after finishing knitting the last circle of hosiery to wait for picking up and transferring the hosiery 90;

and a second working step: the top leg of socks 6 moves upwards, the picking and transferring device 2 transfers the socks 90 out of the needle cylinder to move and transfer towards the sewing device 16;

the third working step: the pick-up and transfer device 2 transfers the socks 90 to the sewing needle 201 of the sewing dial 18 without aiming at the needle 1;

working step four: the sewing tooth needle 201 on the right sewing dial 18a of the sewing dial rotates towards the left sewing dial 18 direction;

the working step five: the turning semicircular device 17 drives the sewing tooth needle 201 on the right sewing dial 18a to turn to the same horizontal position as the left sewing dial 18, and then the upper ring pushing plate 19 moves towards the direction of the lower ring pushing plate 19a, so that the coil and the secondary coil of the sock on the sewing tooth needle 201 in the needle groove of the left sewing dial 18 move towards the direction of the lower ring pushing plate 19 a;

the working step six: the upper looper plate 19 pushes the loop of the sock over the sewing needle on the right dial 18, the upper looper plate 19 and the lower looper plate 19a simultaneously hold the sock, and the toe sewing machine 21 enters a toe sewing operation state in which the lower sewing needle and the upper sewing needle do not contact the sewing needle 201.

Preferably, the method comprises the steps that the picking transfer needle 7 on the picking transfer device 2 punctures a coil on the sock 90, the auxiliary picking transfer needle 10 on the lower picking transfer device 2b cooperates with the picking transfer needle 7 to clamp the sock 90, the loop pushing-up device 13 pushes the coil on the sock 90 to enter the auxiliary picking transfer needle 10, the auxiliary picking transfer needle 10 transfers the sock below the sewing device 16, the lower loop pushing device 15 cooperates with the overturning leg 14 to push the sock 90 directly to the sewing tooth needle 201, the sewing tooth needle 201 does not align with the auxiliary picking transfer needle 10, and after the sewing dial 18 finishes picking up the sock 90, the lower picking transfer device 2b is moved away to finish sock head sewing by the head sewing machine 21.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.