阅读说明：本技术 一种非对针式袜子袜头缝制装置及方法 (Non-contra-needle type sock toe sewing device and method ) 是由 陈仲纪 于 2021-08-23 设计创作，主要内容包括：一种非对针式袜子袜头缝制装置,包括缝头机、缝制装置,缝头机上安装有缝合针,缝制装置上安装有缝齿针,所述的缝齿针插接袜子袜头上的第三线圈或第三线圈之后的线圈,所述的缝合针插接袜子袜头上的第二线圈或第二线圈之后的线圈；所述的第三线圈与第二线圈为两个不同的线圈。本发明采用上缝齿针与下缝齿针不需进行对针,缝合针与缝齿针相互也不进行对针,而采用插接不同线圈的技术结构,解决了因为上缝齿针与下缝齿针之间线圈转移的对针错位以及缝齿针和缝合针之间的对针错位而导致的漏针现象,提高了缝合效率。(A non-contra-needle type sock toe sewing device comprises a toe sewing machine and a sewing device, wherein a sewing needle is arranged on the toe sewing machine, a sewing tooth needle is arranged on the sewing device, the sewing tooth needle is inserted into a third coil on the sock toe or a coil behind the third coil, and the sewing needle is inserted into a second coil on the sock toe or a coil behind the second coil; the third coil and the second coil are two different coils. The invention adopts the technical structure that the upper sewing needle and the lower sewing needle do not need to be aligned, the sewing needle and the sewing needle do not need to be aligned with each other, and different coils are inserted, thereby solving the needle missing phenomenon caused by the needle alignment dislocation of the coil transfer between the upper sewing needle and the lower sewing needle and the needle alignment dislocation between the sewing needle and the sewing needle, and improving the sewing efficiency.)

1. The utility model provides a non-to needle formula socks undertoe sewing device, includes seam head machine (21), sewing device (16), installs the sewing needle on seam head machine (21), installs seam insection needle (20, 201, 202, 203) on sewing device (16), its characterized in that: the sewing needle (20, 201, 202, 203) is inserted into a third coil (901) on the sock head (90), and the sewing needle is inserted into a second coil (902) on the sock head (90); the third coil (901) and the second coil (902) are two different coils.

2. The device for sewing the toe of a non-register type sock according to claim 1, wherein: the third coil (901) is arranged inside the second coil (902).

3. The device for sewing the toe of a non-register type sock according to claim 1, wherein: the sewing needle (201, 203) is simultaneously inserted with a second coil (902) and a third coil (901) on the sock toe (90).

4. The device for sewing the toe of a non-register type sock according to claim 1, wherein: the sewing device (16) comprises a turnover semicircular mechanism (17) and a second sewing fluted disc (18), wherein the turnover semicircular mechanism (17) is provided with a first sewing fluted disc (181), and the first sewing fluted disc (181) is matched with a first semicircular ring pushing device (191); the second sewing fluted disc (18) is matched with a second semicircular ring pushing device (19); the turnover semicircular mechanism (17) rotates around the rotating shaft (50) to drive the first sewing fluted disc (181) to be matched with the second sewing fluted disc (18); the sewing teeth needles (20, 201, 202, 203) are mounted on the first sewing teeth disc (181) and the second sewing teeth disc (18).

5. The device for sewing the toe of a non-register type sock according to claim 4, wherein: the second sewing fluted disc (18) and the first sewing fluted disc (181) are respectively provided with a sewing fluted needle (202, 203), the sewing fluted needles (202, 203) arranged on the second sewing fluted disc (18) are matched with a second push block (25) which moves up and down, and the sewing fluted needles (202, 203) arranged on the first sewing fluted disc (181) are matched with a first push block (24) which moves up and down.

6. A method for sewing the toe of a non-register sock according to any one of claims 1 to 5, wherein: the sewing method comprises the following steps:

step 100: after the third coil (901) is inserted on the sewing teeth needle (20, 201, 202, 203), the turning semicircular mechanism (17) turns over to enable the second sewing fluted disc (18) and the first sewing fluted disc (181) to be of an up-and-down structure;

step 200: the sewing needle on the sewing machine (21) is simultaneously inserted into a second coil (902) of an upper part and a lower part formed after the turnover semicircular mechanism (17) is turned over, the second coil (902) of the upper part is positioned on the second sewing fluted disc (18), and the second coil (902) of the lower part is positioned on the first sewing fluted disc (181); the third coil (901) and the second coil (902) are two different coils, the sewing needle and the sewing tooth needle (20, 201, 202, 203) do not perform needle alignment, and the sewing needle completes the sewing of the sock head.

7. The method for sewing the toe of a non-register type sock according to claim 6, wherein: between the steps 100 and 200, the method includes the step 150: the second semi-circle pushing device (19) pushes the third coil (901) matched with the sewing teeth needles (20, 201, 202, 203) on the second sewing teeth disk (18) to the sewing teeth needles (20, 201, 202, 203) of the first sewing teeth disk (181).

8. The method for sewing the toe of a non-register type sock according to claim 6, wherein: the number of the sewing tooth needles (20, 201, 202, 203) in the step 100 is 1.1-3 times of the number of the coil holes on the third coil (901).

9. The method for sewing the toe of a non-register type sock according to claim 6, wherein: in the step 100, the number of needle points of the suture tooth needles (201, 203) is two, two needle points respectively penetrate through the third coil (901) and the second coil (902) or two needle points respectively penetrate through the third coil (901) and the third coil (903).

10. The method for sewing the toe of a non-register type sock according to claim 6, wherein: after the sewing needle finishes sewing the sock toe or the sewing needle is inserted into the second coil (902) in the step 200, the second pushing block (25) and the first pushing block (24) respectively push the sewing tooth needles (202, 203) on the second sewing tooth disc (18) and the sewing tooth needles (202, 203) on the first sewing tooth disc (181) to move in opposite directions, so that the sewing tooth needles (202, 203) are separated from the sock toe (90).

Technical Field

The invention relates to a sock toe sewing device, in particular to a non-contra-needle type sock toe sewing device and a method.

Background

There are currently three ways to sew the toe of a sock: one is that manual sewing is relatively inefficient; one is that a worker sews the sock through a sewing machine, namely sewing the sock through a traditional machine; the last one is a sock toe sewing device integrally arranged on the hosiery machine. The invention mainly aims at the sock toe sewing device which is integrally arranged on the sock machine, the sewing device is integrally arranged on the sock machine, the automation degree of the sewing device is high, and the sewing device is popular with customers, and the machine is also called as an integrated sock machine.

The existing integrated hosiery machine aims at the working process of a sock stitch head part, when two semicircular coils of a sock head are overturned and overlapped to be sewn together, the sharp end of a stitch needle arranged on a semicircular stitch fluted disc needs to be notched, a needle point of the stitch needle arranged on the other semicircular stitch fluted disc is accommodated to enter the notch, a needle groove is machined on one side of the stitch needle rod of the sock head to be sewn, the needle groove is matched with the stitch needle on a sock head sewing device, missed stitches can be added in the needle matching process, a hanging ring is hung, needle dropping and the like, the manufacturing difficulty and the technical requirements of the stitch needle are reduced, and the improvement of the sewing quality is an object researched by technical personnel in the field.

Disclosure of Invention

The invention provides a device and a method for sewing the toe of a sock without needle grooves between a sewing tooth needle and between the sewing tooth needle and the sewing needle.

A non-contra-needle type sock toe sewing device comprises a toe sewing machine and a sewing device, wherein a sewing needle is mounted on the toe sewing machine, a sewing tooth needle is mounted on the sewing device, the sewing tooth needle is inserted into a third coil on a sock toe, and the sewing needle is inserted into a second coil on the sock toe; the third coil and the second coil are two different coils. The device adopts the sewing tooth needle and the sewing needle to respectively correspond different coils on the sock head of the inserted sock, avoids the needle groove needle aligning structure in the traditional structure, and greatly improves the sock head sewing efficiency. The non-paired needle type sock toe sewing device solves the problem that in a traditional hosiery machine, due to the fact that socks with different needle numbers need to be knitted, the sewing device with different needle numbers needs to be frequently replaced, namely the number of sewing tooth needles installed on the sewing device is consistent with the number of needles on a needle cylinder of the hosiery machine in general conditions so as to achieve the technical purpose of mutual matching. By adopting the structure of the invention, the sock head can be directly sewed without changing a sewing device no matter what the needle number of the sock or the needle cylinder of the hosiery machine, because the sewing tooth needle of the invention does not need to be matched with the needle cylinder of the hosiery machine or the needle number of the sock.

The third coil is arranged at the inner side of the second coil. The inner side is knitted according to the knitting rule of the sock, the third coil on the inner side is knitted firstly, then the second coil on the outer side is knitted till the coil on the outermost side finally, and the inner and outer arrangement is more beneficial to separating the sewing tooth needle and the sewing needle from each other, so that interference is prevented.

The stitch gear needle peg graft second coil and third coil on the socks toe simultaneously, realize the technological effect of two coils of a stitch gear needle grafting, reach the technical purpose to socks toe locking, prevent to appear taking off or miss the needle problem.

The sewing device comprises a turnover semicircular mechanism and a second sewing fluted disc, wherein a first sewing fluted disc is arranged on the turnover semicircular mechanism and is matched with a first semicircular ring pushing device; the second sewing fluted disc is matched with a second semicircular ring pushing device; the turnover semicircular mechanism rotates around the rotating shaft to drive the first sewing fluted disc to be matched with the second sewing fluted disc; the sewing tooth needle is arranged on the first sewing tooth disc and the second sewing tooth disc.

The second sewing fluted disc and the first sewing fluted disc are both provided with sewing needles, the sewing needles arranged on the second sewing fluted disc are matched with a second push block which moves up and down, and the sewing needles arranged on the first sewing fluted disc are matched with a first push block which moves up and down.

A sewing method includes the steps of:

step 100: after the third coil is inserted on the sewing tooth needle, the turnover semicircular mechanism turns over to enable the second sewing fluted disc and the first sewing fluted disc to be of an upper-lower structure;

step 200: the sewing needle on the sewing machine is simultaneously inserted with the second coils of the upper part and the lower part formed after the turnover semicircular mechanism is turned over, the second coil at the upper part is positioned on the second sewing fluted disc, and the second coil at the lower part is positioned on the first sewing fluted disc; the third coil and the second coil are two different coils, the sewing needle and the sewing tooth needle do not align, and the sewing needle completes the sewing of the sock head.

Between the steps 100 and 200, the method includes the step 150: the second semicircle ring pushing device pushes the third coil matched with the upper sewing tooth needle of the second sewing fluted disc into the lower sewing tooth needle of the first sewing fluted disc. The upper sewing needle and the lower sewing needle do not need to be aligned, the sewing needle and the lower sewing needle do not need to be aligned, and the technical structure of inserting and connecting different coils is adopted, so that the needle missing phenomenon caused by the alignment dislocation of the coil transfer between the upper sewing needle and the lower sewing needle and the alignment dislocation between the sewing needle and the sewing needle is solved, and the sewing efficiency is improved.

In the step 100, the number of the sewing tooth needles is 1.1 to 3 times of the number of the coil holes on the third coil.

In the step 100, the number of needle points of the suture tooth needle is two, and the two needle points respectively puncture the third coil and the second coil or the two needle points respectively puncture the third coil and the third coil.

After the stitching needle completes stitching the sock toe or the stitching needle is inserted with the second coil in the step 200, the second pushing block and the first pushing block respectively push the upper stitching needle on the second stitching fluted disc and the lower stitching needle on the first stitching fluted disc to move reversely, so that the stitching needle is separated from the sock toe.

The invention adopts the sewing tooth needle and the sewing needle which are not aligned through the needle groove, but are directly inserted with different coils to realize the non-aligned needle type sock toe sewing device, thereby realizing that the sock toe can be directly sewn without replacing the sewing device no matter what the number of needles of socks or hosiery machine needle cylinders, namely the sock toe sewing device can be suitable for the needle cylinders with different numbers of needles and the socks with different numbers of needles.

Drawings

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

FIG. 1 is a schematic view showing a sewing device of a device for sewing toe of socks with non-contra-needle type according to the present invention;

FIG. 2 is a schematic structural view of the semi-circular turnover mechanism of the present invention ready to enter a sewing state after being turned over;

FIG. 3 is a schematic structural view of a stitch needle piercing coil on the first and second sewing toothed discs;

FIG. 4 is a schematic view of the sock toe sewing structure when the number of the needle points of the sewing tooth needle is one according to the present invention;

FIG. 5 is a schematic structural view of the sewing needles on the first sewing toothed disc and the second sewing toothed disc pushed open when the number of the needle points of the sewing needles is one;

FIG. 6 is a schematic view of the sock toe sewing structure according to the present invention, when the number of the needle points of the latch needles is two;

FIG. 7 is a schematic structural view of the sewing needles on the first sewing fluted disc and the second sewing fluted disc pushed open when the number of the needle points of the sewing needles is two;

FIG. 8 is a schematic view of a single piece of the present invention having a horizontally bent configuration of the needle;

FIG. 9 is a schematic view of a double-piece sewing needle with a horizontally bent structure according to the present invention;

FIG. 10 is a schematic view of a single piece of the present invention having a horizontally raised structure for a needle;

FIG. 11 is a schematic view of a double-piece needle with horizontal protrusions according to the present invention.

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.

As shown in detail in fig. 1-11, the non-contra-needle type sock toe sewing device comprises a toe sewing machine 21 and a sewing device 16, wherein a sewing needle is installed on the toe sewing machine 21, a sewing tooth needle is installed on the sewing device 16, the sewing tooth needle is inserted into a third coil 901 on the sock toe 90, the sewing needle is inserted into a second coil 902 on the sock toe 90, and the third coil 901 and the second coil 902 are two different coils. The head sewing machine 21 and the sewing device 16 in the scheme of the invention can adopt common structures in the prior art, and the core difference lies in that the sewing tooth needle is not matched with the sewing needle, more specifically, the sewing tooth needle and the sewing needle are not provided with needle grooves, and the needle groove structure is needed to align the needle in the traditional structure, so the needle aligning structure means that the sewing tooth needle and the sewing needle actually puncture a coil on the same sock head, the sewing tooth needle is matched with the sewing needle, and obviously the puncturing of the same coil has extremely high requirements on the sewing tooth needle and the sewing needle, and the phenomena of needle missing, needle hanging and needle drop are easy to occur. The needle may be any one of the needle structures shown in fig. 8 to 10, i.e., needle 20, needle 201, needle 202, and needle 203.

It is preferable that third coil 901 is located inside second coil 902. The position of second stitch 902 may be the last turn or last penultimate turn in the sock knitting process to improve the sock toe stitching effect.

The sewing tooth needle 201 and the sewing tooth needle 203 are of a double-needle-point structure, and a second coil 902 and a third coil 901 on the sock toe 90 are inserted simultaneously, so that the locking performance of the front coil and the rear coil of the sock toe can be picked up simultaneously. Of course, second coil 902 and third coil 901 are merely preferred examples, and the present invention is not limited to second coil 902 and third coil 901, and may be other two coils.

The sewing device 16 preferably comprises a turning semicircular mechanism 17 and a second sewing fluted disc 18, wherein the turning semicircular mechanism 17 is provided with a first sewing fluted disc 181, and the first sewing fluted disc 181 is matched with a first semicircular ring pushing device 191. The second sewing fluted disc 18 is matched with a second semicircular ring pushing device 19. The tilting mechanism 17 rotates around the rotating shaft 50 to drive the first sewing toothed disc 181 to cooperate with the second sewing toothed disc 18. One of four types of sewing needles, i.e., the sewing needle 20, the sewing needle 201, the sewing needle 202, and the sewing needle 203, is attached to the first sewing toothed plate 181 and the second sewing toothed plate 18 as needed.

Preferably, the second and first sewing toothed plates 18 and 181 have sewing needles 202 and 203, respectively, the sewing needles 202 and 203 mounted on the second sewing toothed plate 18 are engaged with the second push blocks 25 which move up and down, and the sewing needles 202 and 203 mounted on the first sewing toothed plate 181 are engaged with the first push blocks 24 which move up and down. The second pushing block 25 and the first pushing block 24 are configured to push the sewing needles mounted on the second sewing toothed disc 18 and the first sewing toothed disc 181 away from the positions of the sewing needles, so as to improve the sewing effect and facilitate the separation of the sock toe from the sewing device 16.

A non-needle-alignment type sock toe sewing method comprises the following steps:

step 100: after the third coil 901 is inserted into the sewing needle, the turning semicircular mechanism 17 is turned over to make the second sewing fluted disc 18 and the first sewing fluted disc 181 have an up-and-down structure;

step 200: the sewing needle on the sewing machine 21 is simultaneously inserted into the second coils 902 of the upper and lower parts formed after the turnover semicircular mechanism 17 is turned over, the second coil 902 of the upper part is positioned on the second sewing fluted disc 18, and the second coil 902 of the lower part is positioned on the first sewing fluted disc 181; the third coil 901 and the second coil 902 are two different coils, and the sewing needle are not aligned, and the sewing needle completes the sewing of the sock head.

The shape of the sewing tooth needle is different, and the invention is not exhaustive and includes the following 4 kinds:

as shown in fig. 8, the sewing tooth needle 20: the sewing tooth needle 20 comprises a stitch 210 and a needle point 211, wherein the stitch 210 is integrally formed by punching, the stitch 210 is of a horizontal bending structure and is convenient to be matched with the first sewing fluted disc 181 and the second sewing fluted disc 18, and the needle point 211 and the side edge of the sewing tooth needle 20 body are in the same straight line, so that a coil can be conveniently punctured;

as shown in fig. 9, the sewing needle 201: the sewing needle 201 comprises two sewing needle bodies, two stitches of a horizontal bending structure are arranged on each sewing needle body, a first sewing fluted disc 181 and a second sewing fluted disc 18 are convenient to cooperate, one of the two sewing needle bodies is provided with a needle point 206 which is in the same straight line with the side edge of the sewing needle body, the other stitch is provided with a needle point 207 which is not in the same straight line with the side edge of the sewing needle body, two needle point structures with intervals are formed, and two coils are inserted simultaneously to achieve the technical effect of locking sock heads.

As shown in fig. 10 for the needle 202: the stitch needle 202 comprises a stitch 212 and a needle point 213 which are integrally formed by punching, wherein the stitch 212 is in a horizontal protruding structure so as to be matched with the second push block 25, and the first push block 24 moves up and down. The needle tip 213 and the side edge of the needle body 202 are in the same straight line, so that the coil can be conveniently punctured.

As shown in fig. 11, the needle 203: the sewing tooth needle 203 comprises two sewing tooth needle bodies, a horizontal protruding structure is arranged on each of the two sewing tooth needle bodies, and is convenient to match with a second push block 25, the first push block 24 moves up and down, a needle point 204 and a side edge of the sewing tooth needle body are arranged on one of the two sewing tooth needle bodies, a needle point 205 and a side edge of the sewing tooth needle body are not arranged on the other piece of the sewing tooth needle body, two needle point structures with intervals are formed, and two coils are inserted simultaneously to achieve the technical effect of locking sock heads.

Preferably, the method comprises the following steps 150: the second semicircular ring pushing device 19 pushes the third coil 901 engaged with the sewing needle of the second sewing toothed plate 18 onto the sewing needle of the first sewing toothed plate 181. The second semicircular ring pushing device 19 and the first semicircular ring pushing device 191 are both of a pushing block structure capable of moving up and down to realize the overlapping of the upper part and the lower part of the third coil 901 for facilitating the sewing.

It is preferable that the number of the sewing needles in step 100 is 1.1 to 3 times the number of the coil holes of the third coil 901. The invention adopts the technical scheme that the number of the sewing tooth needles is more than that of the coil holes, so that one coil hole is matched with more than one sewing tooth needle structure, thereby realizing the locking structure of the sewing tooth needles on the sock head, and avoiding the problems of missing needles, knocking over and the like.

In the preferable structure step 100, the number of needle points of the sewing tooth needles 201 and 203 is two, two needle points respectively puncture the third coil 901 and the second coil 902 or two needle points respectively puncture the third coil 901 and the third coil 903, so that the locking structure of the sewing tooth needle on the sock head is realized, and the problems of needle missing, stitch dropping and the like are avoided.

Preferably, in the step 200, after the sewing needle 22 completes the sewing of the toe of the sock or after the sewing needle inserts the second stitch 902, the second pushing block 25 and the first pushing block 24 push the sewing needles 202, 203 on the second sewing toothed disc 18 and the sewing needles 202, 203 on the first sewing toothed disc 181 to move in opposite directions, so that the sewing needles 202, 203 are separated from the toe 90 of the sock, thereby improving the sewing performance of the sewing needle 22.

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.