阅读说明：本技术 一种袜子的拾取转移缝合装置及方法 (Picking, transferring and sewing device and method for socks ) 是由 陈仲纪 于 2021-08-16 设计创作，主要内容包括：一种袜子的拾取转移缝合装置及方法,包括袜机,袜机上设有针筒、织针、袜子拾取转移装置、袜头缝合装置,袜子拾取转移装置上设有拾取转移针,所述的拾取转移针配合袜子上的第二线圈或第二线圈之后的线圈,织针配合袜子上的第一线圈；所述的第一线圈和第二线圈为两个不同位置的线圈。本发明采用织针与拾取转移针分别穿刺不同位置线圈的技术结构,避免织针与拾取转移针对针配合,解决了因为织针与拾取转移针之间对针错位而导致的漏针、脱圈现象,提高了袜子拾取转移、缝合效率,实现不需要更换袜子拾取转移装置、袜头缝合装置零配件就可以适应不同针筒针数的袜机,转移缝合不同针数袜子的拾取转移缝合装置及方法。(A picking, transferring and sewing device and a method for socks comprise a hosiery machine, wherein the hosiery machine is provided with a needle cylinder, a knitting needle, a sock picking and transferring device and a sock head sewing device, the sock picking and transferring device is provided with a picking and transferring needle, the picking and transferring needle is matched with a second coil on the socks or a coil behind the second coil, and the knitting needle is matched with a first coil on the socks; the first coil and the second coil are coils at two different positions. The invention adopts the technical structure that the knitting needle and the picking and transferring needle respectively puncture the coils at different positions, avoids the matching of the knitting needle and the picking and transferring needle, solves the phenomena of needle leakage and stitch drop caused by the dislocation of the needle between the knitting needle and the picking and transferring needle, improves the picking, transferring and sewing efficiency of the socks, and realizes the picking, transferring and sewing device and the method which can adapt to the socks with different needle cylinder needle numbers without replacing the parts of the picking and transferring device and the sock head sewing device of the socks and can transfer and sew the socks with different needle numbers.)

1. The utility model provides a socks pick up and shift suturing device, includes the hosiery machine, is equipped with cylinder (1), knitting needle (3), socks on the hosiery machine and picks up transfer device, undertoe suturing device, and socks are picked up and are equipped with on the transfer device and pick up and shift the needle, its characterized in that: the pick-up transfer needle (7) is matched with a second coil (102) on the sock (90) or a coil behind the second coil, and the knitting needle (3) is matched with a first coil (101) on the sock (90); the first coil (101) and the second coil (102) are coils at two different positions.

2. A pick-up transfer stitching device for a sock according to claim 1, characterized in that: the pick-up transfer needle is not provided with a needle groove to be matched with the knitting needle (3).

3. A pick-up transfer stitching device for a sock according to claim 1, characterized in that: the sock picking and transferring device (2) comprises an upper picking and transferring device (2 a) and a lower picking and transferring device (2 b), the upper picking and transferring device (2 a) comprises a main transferring disc (8), picking and transferring needles (7, 7012, 71) are installed in needle grooves of the main transferring disc (8), and radial movement of the picking and transferring needles (7, 7012, 71) is controlled by an upper control device (9); the lower picking and transferring device (2 b) comprises a secondary transferring disk (11), a secondary picking and transferring needle (10) is arranged in a needle groove of the secondary transferring disk (11), and the radial movement of the secondary picking and transferring needle (10) is controlled by a lower control device (12).

4. A pick-up transfer stitching device for a sock according to claim 1, characterized in that: the sock head sewing device comprises a head sewing machine (21) and a head sewing turnover device; the sewing head overturning device comprises a sock overturning barrel (14), a lower sock jacking device (15), an upper sock jacking device (13), an overturning semicircular mechanism (17) and a second sewing fluted disc (18), wherein a first sewing fluted disc (181) is arranged on the overturning semicircular mechanism (17), and the first sewing fluted disc (181) is matched with a first semicircular ring pushing plate (191); the second sewing fluted disc (18) is matched with a second semicircular pushing ring plate (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 first sewing fluted disc (181) and the second sewing fluted disc (18) are provided with sewing needles (40, 401, 402, 403).

5. A device for picking up and transferring stitches of a sock according to claim 3, characterised in that: the pick-up transfer needle (7, 7012) comprises a first needle point (701, 703) and a second needle point (702, 704), the first needle point (701, 703) and the second needle point (702, 704) are matched with a coil hole on the sock (90) together, or the first needle point (701, 703) and the second needle point (702, 704) are respectively matched with a coil hole on the sock (90).

6. A pick-up transfer stitching device for a sock according to claim 5, characterized in that: the first needle point (701) is matched with a first coil hole (1021) on the second coil (102); the second needle point (702) is matched with a second coil hole (1022) on the second coil (102).

7. A pick-up transfer stitching device for a sock according to claim 5, characterized in that: the extension lengths of the first needle point (703) and the second needle point (704) are different, and the first needle point (703) is matched with a third coil hole (1023) in the second coil (102); the second needle point (704) is matched with a fourth coil hole (1031) on the third coil (103).

8. A device for picking up and transferring stitches of a sock according to claim 3, characterised in that: the auxiliary picking and transferring needle (10) comprises a third needle point (1055) and a fourth needle point (1056), wherein the third needle point (1055) and the fourth needle point (1056) are matched with a coil hole on the sock (90) together, or the third needle point (1055) and the fourth needle point (1056) are respectively matched with a coil hole on the sock (90).

9. A pick-up transfer stitching device for a sock according to claim 8, wherein: the third needle point (1055) is matched with a first coil hole (1021) on the second coil (102); the fourth needle point (1056) is matched with the second coil hole (1022) on the second coil (102).

10. A pick-up transfer stitching device for a sock according to claim 8, wherein: the extension lengths of the third needlepoint (1055) and the fourth needlepoint (1056) are different, and the third needlepoint (1055) is matched with a third coil hole (1023) on the second coil (102); the fourth needle point (1056) is matched with a fourth coil hole (1031) on the third coil (103).

11. A device for picking up and transferring stitches of a sock according to claim 3, characterised in that: the number of the pick-up transfer needles (7, 7012, 71) is 1.1 to 3 times of the number of the knitting needles (3).

12. A pick-up transfer stitching device for a sock according to claim 8, wherein: the number of the secondary pick-up transfer needles (10) is 1.1 to 3 times of the number of the knitting needles (3).

13. A device for picking up and transferring stitches of a sock according to claim 3, characterised in that: the picking and transferring needles (7, 7012, 71) are matched with a first pair of picking and transferring needles (1001), and the first pair of picking and transferring needles (1001) are connected with an elastic piece (26).

14. A device for picking up and transferring stitches of a sock according to claim 13, characterised in that: the first auxiliary picking and transferring needles (1001, 1002) are divided into two types, one type corresponds to the knitting needle (3), the other type does not correspond to the knitting needle (3), and the non-corresponding first auxiliary picking and transferring needles (1002) cross the knitting needle (3) to lift the sock (90).

15. A pick-up transfer stitching device for a sock according to claim 1, characterized in that: the pick-up transfer needle (71) comprises a first pick-up transfer needle (711) and a second pick-up transfer needle (712) which are independent of each other; the second pick-up transfer stitch (712) is controlled by an upper control device (9), and the first pick-up transfer stitch (711) is controlled by another upper control device (901).

16. A pick-up transfer stitching device for a sock according to claim 15, wherein: the first pick-up transfer stitch (711) and the second pick-up transfer stitch (712) cooperate with one or two coil holes on the sock (90).

17. A device for picking up and transferring stitches of a sock according to claim 3, characterised in that: the pick-up transfer needle (7, 7012, 71) comprises two needle points, and the distance between the two needle points is equal to or larger than the distance between two adjacent coil holes on the sock.

18. A device for picking up and transferring stitches of a sock according to claim 4, characterised in that: the sewing needle (40, 401, 402, 403) is inserted with a coil on the sock toe (90), and the sewing needle is inserted with a second coil (102) on the sock toe (90) or a coil after the second coil is inserted.

19. A device for picking up and transferring stitches of a sock according to claim 4, characterised in that: the two sewing needles (401, 403) are simultaneously inserted with the second coil (102) on the sock toe (90) or inserted with the coil behind the second coil.

20. A device for picking up and transferring stitches of a sock according to claim 4, characterised in that: the sewing teeth needles (402, 403) arranged on the second sewing teeth disk (18) are matched with a second push block (25) which moves up and down, and the sewing teeth needles (402, 403) arranged on the first sewing teeth disk (181) are matched with a first push block (24) which moves up and down.

21. A method for picking up and transferring stitches of a sock according to any one of claims 1 to 20, wherein: the picking transfer sewing method is characterized in that a picking transfer needle is matched with a second coil (102) on the sock (90) or a coil after the second coil is inserted, a knitting needle (3) is matched with a first coil (101) on the sock (90), the first coil (101) and the second coil (102) are coils at two different positions, and the picking transfer needle completes sock picking or the sock machine can pick the socks with different needle numbers without replacing a sock picking transfer device after knitting the socks with different needle numbers by needle cylinders with different needle numbers.

22. A method for picking up and transferring stitches of a sock according to claim 21, wherein: the hosiery machine can work without replacing the toe sewing device after the hosiery machine replaces the needle cylinder (1) with different needle numbers to knit the socks with different needle numbers.

23. A method for picking up and transferring stitches of a sock according to claim 21, wherein: the method for stitching in pick-up and transfer comprises the following steps:

step 100: after the last circle of socks is knitted, the sock pickup and transfer device moves to a position above the same axis of the needle cylinder (1) to wait for picking up the socks, and the knitting needle (3) is matched with a first coil (101) on the socks (90);

step 200: the top sock leg (4) on the inner side of the needle cylinder (1) jacks up the socks (90);

step 300: a pick-up transfer needle on the upper pick-up transfer device (2 a) punctures a second coil (102) on the connecting sock (90);

step 400: a secondary pick-up transfer needle (10) on the lower pick-up transfer device (2 b) pierces the second loop (102) or the other loop on the connecting sock (90);

step 500: the sock picking and transferring device (2) transfers the socks out of the needle cylinder (1) and transfers the socks to the sock head sewing device;

step 600: the upper sock jacking device (13) jacks the socks onto the auxiliary picking and transferring needle (10), and then the lower picking and transferring device (2 b) drives the socks on the auxiliary picking and transferring needle (10) to move to the sewing teeth needles (40, 401, 402, 403) arranged on the first sewing teeth disc (181) and the second sewing teeth disc (18);

step 700: the lower sock jacking device (15) and the sock turning barrel (14) move upwards, and the lower sock jacking device (15) jacks the loops of the socks on the auxiliary picking and transferring needle (10) into the sewing teeth needles (40, 401, 402, 403);

step 800: the turning semicircular mechanism (17) takes the rotating shaft (50) as a central point to drive the sewing teeth needles (40, 401, 402, 403) on the first sewing fluted disc (181) to rotate towards the second sewing fluted disc (18);

step 900: sewing needles (40, 401, 402, 403) mounted on the first sewing toothed disc (181) and the second sewing toothed disc (18) are aligned with each other to form an upper and a lower two-part second coil (102), the upper second coil (102) is located on the second sewing toothed disc (18), and the lower second coil (102) is located on the first sewing toothed disc (181);

step 1000: the first coil (101) and the second coil (102) are coils at two different positions, and the sewing needle and the sewing tooth needle (40, 401, 402, 403) do not align with each other and complete the sewing of the sock head.

24. A method for picking up and transferring stitches of a sock according to claim 23, wherein: the method between the step 900 and the step 1000 further includes the step 950: the second semi-circle pushing plate (19) pushes the second coil (102) matched with the sewing teeth needles (40, 401, 402, 403) on the second sewing teeth plate (18) to the sewing teeth needles (40, 401, 402, 403) of the first sewing teeth plate (181).

25. A method for picking up and transferring stitches of a sock according to claim 23, wherein: in the step 600, the number of the sewing needles (40, 401, 402, 403) is 1.1-3 times of the number of the coil holes on the second coil (102).

26. A method for picking up and transferring stitches of a sock according to claim 23, wherein: in the step 600, the number of needle points of the suture tooth needles (401, 403) is two, two needle points respectively penetrate the second coil (102) and the third coil (103) or two needle points respectively penetrate the fourth coil (104) and the third coil (103).

27. A method for picking up and transferring stitches of a sock according to claim 23, wherein: in the step 1000, after the sewing needle completes the sewing of the sock toe or the sewing needle is inserted with the second stitch (102), the second pushing block (25) and the first pushing block (24) respectively push the sewing tooth needles (402, 403) on the second sewing tooth disc (18) and the sewing tooth needles (402, 403) on the first sewing tooth disc (181) to move in opposite directions, so that the sewing tooth needles (402, 403) are separated from the sock toe.

28. A method for picking up and transferring stitches of a sock according to claim 21, wherein: the method for stitching in pick-up and transfer comprises the following steps:

the method comprises the following steps: after the last circle of knitting is finished, the sock picking and transferring device (2) moves to a position above the same axis of the needle cylinder to wait for picking and transferring socks;

step two: the main top leg (5) moves upwards, the raised part (5a) of the main top leg (5) jacks up the protruding part toe (91) of the sock, so that the pick-up transfer needle on the upper pick-up transfer device (2 a) punctures and connects a second coil (102) on the sock (90) at the same horizontal position;

step three: the auxiliary top leg (6) moves upwards, the raised part (6a) of the auxiliary top leg (6) with the thorn-shaped object (6c) jacks up the sock head (91) to enable the second coil (102) to be maintained at the same horizontal position, the auxiliary top leg (6) continues to move upwards to jack the sock into the picking and transferring needle, and the picking and transferring device (2) moves upwards;

step four: the lower picking and transferring device (2 b) moves downwards, and the auxiliary transferring needle (10) moves upwards after entering the lower part of the picking and transferring needle, so that the auxiliary transferring needle (10) is matched with the picking and transferring needle to clamp the socks;

step five: the picking and transferring device (2) transfers the socks out of the needle cylinder and transfers the socks to the direction of the sock head sewing device;

step six: the sock lifting device (13) lifts the sock onto the auxiliary transfer needle (10);

step seven: the upper picking and transferring mechanism (2 a) drives the picking and transferring needle to be separated from the auxiliary transferring needle (10);

step eight: the lower picking and transferring mechanism (2 b) moves to the lower part of the sewing head overturning device, and then the lower picking and transferring mechanism (2 b) moves upwards;

step nine: the lower picking and transferring mechanism (2 b) drives the socks on the auxiliary transferring needle (10) to move to the sewing tooth needle, then the lower sock jacking device (15) and the sock turning barrel (14) move upwards, and the lower sock jacking device (15) jacks the loops of the socks on the auxiliary transferring needle (10) to the sewing tooth needle;

step ten: the sock turning barrel (14) moves upwards to turn over socks, and the lower sock pushing device (15) pushes the loops of the socks on the auxiliary transfer needle (10) into the sewing tooth needles and then moves downwards to separate from the sewing head turning device;

step eleven: the turning semicircular mechanism (17) takes the rotating shaft (50) as a central point to drive the sewing teeth needles (40, 401, 402, 403) on the first sewing fluted disc (181) to rotate towards the second sewing fluted disc (18);

step twelve: after the sewing needles (40, 401, 402, 403) on the first sewing fluted disc (181) are aligned with the sewing needles (40, 401, 402, 403) on the second sewing fluted disc (18), the upper second semicircular push ring plate (19) moves towards the direction of the first semicircular push ring plate (191), so that the stitches of the socks arranged on the sewing needles (40, 401, 402, 403) of the second sewing fluted disc (18) move towards the direction of the first semicircular push ring plate (191);

step thirteen: the second semicircular ring pushing plate (19) pushes the coil of the sock into the sewing tooth needle of the first sewing fluted disc (181), the second semicircular ring pushing plate (19) and the first semicircular ring pushing plate (191) clamp the sock at the same time, and then the toe sewing machine (21) enters the working state of sewing the toe of the sock.

29. A method for picking up and transferring stitches of a sock according to claim 28, wherein: at the time of step thirteen: when the sewing machine (21) enters the working state of sewing the sock head, the lower sewing needle (22) and the upper sewing needle (23) do not contact with the sewing tooth needle.

30. A pick-up transfer stitching device for a sock according to claim 1, characterized in that: the pick-up transfer needle is provided with a needle hook (77) and a needle latch (78).

Technical Field

The invention relates to a fabric pick-up and transfer sewing device, in particular to a sock pick-up and transfer sewing device and a method.

Background

After the last circle of knitting is finished by the hosiery machine or the circular knitting equipment, the hosiery machines with different needle numbers in the needle cylinders of the hosiery machine or the circular knitting equipment need to be transferred to the additional processing equipment for sewing, while the traditional transfer needs to align the needle groove formed by the needle groove of each pick-up transfer needle or the combined pick-up transfer needle with the knitting needle on the needle cylinder and pick up and transfer the last circle of coils of the hosiery or the fabric onto the pick-up transfer needle, the conditions of missing, hanging and missing caused by the fact that the needle groove of the pick-up transfer needle is not aligned with the knitting needle on the needle cylinder are often generated in the pick-up and transfer process, and the conditions of missing, hanging and missing caused by the fact that the needle groove of the pick-up transfer needle is not aligned with the stitch needle are easily generated when the pick-up transfer needle transfers the hosiery or the fabric to the sewing needle. When sewing the undertoe, when two semicircle coils upset superposes and sews up together, the seam latch needle point that sets up on another semicircle sewing fluted disc needs to be opened a gap and holds the needle point entering breach of the seam latch needle on another semicircle sewing fluted disc, the smooth sewing undertoe of the lower sewing needle that needs to sew up the undertoe needs to all can increase the miss needle in sewing needle bar one side processing a needle groove, the string circle, the wait condition of needle release, and after changing the cylinder of different needle counts on hosiery machine or circular knitting equipment, all need follow the change to the transfer dial in the pickup assembly and transfer needle, user's time and accessory cost have been increased.

The description about socks with different needle numbers and needle cylinders with different needle numbers is as follows: for example, the first sock is a needle cylinder of 100 knitting needles, 100 picking and transferring needles and sewing tooth needle parts are required to be matched to finally complete the head sewing work, the second sock is a needle cylinder of 200 knitting needles, 200 picking and transferring needles and sewing tooth needle parts are required to be matched to finally complete the head sewing work, in the process, the conventional transferring and sewing process, the needle grooves of each picking and transferring needle and each sewing tooth needle are required to be aligned to the knitting needles on the needle cylinder, and the picking and transferring devices and the sewing devices are required to be replaced in a matching manner, so that the situations of missed stitches, hanging loops, missed stitches and the like caused by the fact that the needle grooves of the sewing tooth needles, the picking and transferring needles and the knitting needles are not aligned often occur in the process. How to improve the picking, transferring and sewing efficiency of socks with different needle numbers and hosiery machines with needle cylinders with different needle numbers, that is, the picking, transferring and sewing functions of the socks with different needle numbers can be realized without replacing the picking, transferring and sewing devices.

Disclosure of Invention

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

A picking, transferring and sewing device for socks comprises a hosiery machine, wherein a needle cylinder, a knitting needle, a sock picking and transferring device and a sock head sewing device are arranged on the hosiery machine, a picking and transferring needle is arranged on the sock picking and transferring device and is matched with a second coil on the socks or a coil behind the second coil, and the knitting needle is matched with a first coil on the socks; the first coil and the second coil are coils at two different positions. The picking and transferring sewing device adopts the picking and transferring needle and the knitting needle to respectively puncture the coils at two different positions, avoids the picking and transferring needle and the knitting needle from aligning, achieves the aim that the same sock picking and transferring device can adapt to socks with different needle numbers and hosiery machines with needle cylinders with different needle numbers, and greatly reduces the part replacement time of knitting the socks with different needle numbers. The pick-up transfer needles are matched with the second stitches on the socks, wherein the matching means that the pick-up transfer needles of 70-280 needles configured according to the number of knitting needles on the needle cylinder are arranged on the sock pick-up transfer device, the pick-up transfer needles of 70-280 needles are circularly arranged on the pick-up transfer device to commonly puncture the second stitches on the socks, and the pick-up function of the socks is completed through the pick-up transfer needles of 70-280 needles due to the shrinkage force of the second stitches as fabrics, and the number of the pick-up transfer needles is not limited. The position of the second stitch generally means that the last second turn of the knitting of the sock is completed, and the first stitch is in a stitch structure of the last turn, so as to improve the final sewing effect of the invention.

The pick-up transfer needle is not provided with a needle groove to be matched with a knitting needle, so that the manufacturing cost of the pick-up transfer needle is reduced, and the pick-up transfer needle is not provided with a needle groove structure and is prevented from damaging the sock coil after the needle groove loses the original effect.

The sock picking and transferring device comprises an upper picking and transferring device and a lower picking and transferring device, the upper picking and transferring device comprises a main transferring disc, a picking and transferring needle is arranged in a needle groove of the main transferring disc, and the radial movement of the picking and transferring needle is controlled by an upper control device; the lower picking and transferring device comprises an auxiliary transferring disc, an auxiliary picking and transferring needle is arranged in a needle groove of the auxiliary transferring disc, and the radial movement of the auxiliary picking and transferring needle is controlled by a lower control device. The sock picking and transferring device respectively controls the picking and transferring needle and the auxiliary picking and transferring needle to advance and retreat through the upper control device and the lower control device, and then the upper and lower clamping performance of the sock is completed.

The sock head sewing device comprises a head sewing machine and a head sewing turnover device; the stitch head overturning device comprises a sock overturning barrel, a lower sock jacking device, an upper sock jacking device, an overturning semicircular mechanism and a second sewing fluted disc, wherein a first sewing fluted disc is arranged on the overturning semicircular mechanism and is matched with a first semicircular ring pushing plate; the second sewing fluted disc is matched with a second semicircular ring pushing plate; 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; and the first sewing fluted disc and the second sewing fluted disc are provided with sewing fluted needles. The sock head sewing device adopts the sewing tooth needle to directly match with the coil on the sock without aligning with a knitting needle and a pickup transfer needle, thereby achieving the transfer sewing performance of adapting to socks with different needle numbers and needle cylinders with different needle numbers.

The picking transfer needle comprises a first needle point and a second needle point, the first needle point and the second needle point are matched with a coil hole in the sock together, or the first needle point and the second needle point are matched with a coil hole in the sock respectively, so that the technical effect that the double needle points pick up and lock the sock is achieved. The first needle point and the second needle point are respectively matched with a coil hole on the sock, and the two coil holes can achieve a locking effect for the main coil hole and the auxiliary coil hole, so that the problem of knocking over is prevented.

The first needle point is matched with a first coil hole on the second coil; the second needle point is matched with a second coil hole on the second coil, and the technical purpose of locking the front and the back is achieved by matching the two needle points with coil holes on the front and the back coils. The first coil hole and the second coil hole are for convenience of description to understand the names of the present invention, not the specific location.

The first needle point and the second needle point are different in extension length, and the first needle point is matched with a third coil hole in the second coil; and the second needle tip is matched with a fourth coil hole on the third coil. The technical purpose of front and back locking is achieved by matching the two needle points with different front and back drop points with the coil holes in the front and back coils, and the picking capability of the sock is improved by using the first needle point and the second needle point oblique angles.

The auxiliary picking and transferring needle comprises a third needle point and a fourth needle point, wherein the third needle point and the fourth needle point are matched with a coil hole on the sock together, or the third needle point and the fourth needle point are respectively matched with a coil hole on the sock. The auxiliary picking and transferring needle can independently pick up socks, can be matched with the picking and transferring needle to clamp the socks up and down, and particularly, a third needle point is matched with a first coil hole on a second coil; the fourth needle point is matched with a second coil hole on the second coil, so that the up-and-down locking and picking capacity of socks with different needle numbers is achieved.

The third needle point and the fourth needle point are different in extension length as a further technical structure, and the third needle point is matched with a third coil hole on a second coil; the fourth needle point is matched with a fourth coil hole on the third coil and matched with the first needle point and the second needle point on the picking transfer needle to achieve the up-and-down locking and picking capacity for socks with different needle numbers.

The number of the picking and transferring needles is 1.1 to 3 times of the number of the knitting needles. The number of the secondary picking and transferring needles is 1.1 to 3 times of the number of the knitting needles. The multiple number arrangement of the picking transfer needles and the auxiliary picking transfer needles can ensure that each coil hole on one coil of the sock can be punctured by more than one picking transfer needle and the auxiliary picking transfer needles, and technical problems of needle missing, needle dropping and the like are avoided.

The picking and transferring needle is matched with a first auxiliary picking and transferring needle, and the first auxiliary picking and transferring needle is connected with an elastic piece. The first pair of picking and transferring needles realizes continuous locking performance of the sock coil hole by using the elastic piece, and the picking capacity of the first pair of picking and transferring needles on the sock is improved.

The first auxiliary picking and transferring needles are divided into two types, one type corresponds to the knitting needles, the other type does not correspond to the knitting needles, the non-corresponding first auxiliary picking and transferring needles cross the knitting needles to support the socks, the first auxiliary picking and transferring needles with the two different corresponding relations are arranged on the auxiliary transferring disc at intervals, and then the supporting performance for the socks is formed, so that the socks are smoothly separated from the knitting needles on one hand, and the picked socks are prevented from falling off on the other hand.

The picking and transferring needle comprises a first picking and transferring needle and a second picking and transferring needle which are independent from each other; the second picking and transferring needle is controlled by an upper control device, and the first picking and transferring needle is controlled by another upper control device. The first pick-up transfer stitch and the second pick-up transfer stitch cooperate with one or both of the coil holes on the sock. The first picking transfer needle and the second picking transfer needle can realize the adjustment of the horizontal tension between one coil hole or the other coil hole through back and forth movement, thereby achieving the adjustment of the picking force and the picking range of the socks and adapting to the socks with different needle numbers and the needle cylinders with different needle numbers.

The pick-up transfer needle comprises two needle points, and the distance between the two needle points is equal to or larger than the distance between two adjacent coil holes on the sock, so that the locking performance of the double needle points to the two coil holes is realized.

The stitch needle peg graft the coil on the socks underhead, the stitch needle peg graft the coil behind the second coil or the second coil on the socks underhead, stitch needle and stitch needle need not carry out to the needle directly respectively puncture different coils on the socks and reach the stitching performance to different needle number socks.

The two sewing needles are simultaneously inserted with the second coil on the sock head or the coil behind the second coil, so as to achieve the locking performance of the coil.

The sewing tooth needles arranged on the second sewing tooth disc are matched with the second push block which moves up and down, the sewing tooth needles arranged on the first sewing tooth disc are matched with the first push block which moves up and down, the clamping function of the sock coils is realized through the second push block and the first push block, and the sewing performance is improved.

A pick-up transfer sewing method is characterized in that a pick-up transfer needle is matched with a second coil on socks, a knitting needle is matched with a first coil on the socks, the first coil and the second coil are coils at two different positions, and the pick-up transfer needle punctures to complete sock pick-up or the socks with different needle numbers can be picked up without replacing a sock pick-up transfer device after the socks with different needle numbers are knitted by a hosiery machine by needle cylinders with different needle numbers.

As a preferred scheme, the hosiery machine can work without replacing the toe sewing device after the hosiery machine is used for knitting the socks with different needle numbers by replacing the needle cylinders with different needle numbers.

The picking transfer stitching method comprises the following steps:

step 100: after the last circle of socks is knitted, the sock pickup and transfer device moves to a position above the same axis as the needle cylinder to wait for picking up the socks by the hosiery machine, and the knitting needle is matched with a first coil on the socks;

step 200: the top sock cylinder on the inner side of the needle cylinder jacks up the socks;

step 300: a pick-up transfer needle on the upper pick-up transfer device punctures and connects a second coil on the sock;

step 400: a secondary pick-up transfer needle on the lower pick-up transfer device punctures and connects a second coil or another coil on the sock;

step 500: the sock picking and transferring device transfers the socks out of the needle cylinder and moves and transfers the socks to the sock head sewing device;

step 600: the upper sock jacking device jacks the socks onto the auxiliary picking and transferring needle, and then the lower picking and transferring device drives the socks on the auxiliary picking and transferring needle to move to the sewing tooth needles arranged on the first sewing tooth disc and the second sewing tooth disc;

step 700: the lower sock jacking device and the sock turning barrel move upwards, and the lower sock jacking device jacks the sock coil on the auxiliary picking transfer needle into the sewing tooth needle;

step 800: the turning semicircular mechanism takes the rotating shaft as a center point to drive the sewing tooth needles on the first sewing fluted disc to rotate towards the second sewing fluted disc;

step 900: sewing needles arranged on the first sewing fluted disc and the second sewing fluted disc are aligned with each other to form a second coil of an upper part and a lower part, the second coil of the upper part is positioned on the second sewing fluted disc, and the second coil of the lower part is positioned on the first sewing fluted disc;

step 1000: the first coil and the second coil are coils at two different positions, the sewing needle and the sewing needle are not aligned, and the sewing needle is used for finishing the sewing of the sock head;

the method between the step 900 and the step 1000 further includes the step 950: the second semi-circle pushing ring plate pushes the second coil matched with the sewing tooth needle on the second sewing fluted disc into the sewing tooth needle of the first sewing fluted disc.

In the step 600, the number of the sewing tooth needles is 1.1 to 3 times of the number of the coil holes on the second coil.

In the step 600, the number of needle points of the sewing tooth needle is two, and the two needle points respectively puncture the second coil and the third coil or the two needle points respectively puncture the fourth coil and the third coil.

In the step 1000, after the sewing needle completes the sewing of the sock toe or the sewing needle is inserted with the second coil, the second pushing block and the first pushing block respectively push the sewing tooth needle on the second sewing fluted disc and the sewing tooth needle on the first sewing fluted disc to move in opposite directions, so that the sewing tooth needle is separated from the sock toe.

A pick-and-transfer stitching method includes the steps of:

the method comprises the following steps: after the last circle of knitting is finished, the sock picking and transferring device moves to a position above the same axis as the needle cylinder to wait for picking and transferring socks by the sock knitting machine;

step two: the main top leg of the sock moves upwards, and the protruding part of the main top leg of the sock jacks up the sock head of the protruding part of the sock, so that a picking transfer needle on the upper picking transfer device punctures and connects a second coil on the sock at the same horizontal position;

step three: the auxiliary top leg of the sock moves upwards, the raised part of the auxiliary top leg of the sock with the thorn-shaped object jacks up the sock head to enable the second coil to be maintained at the same horizontal position, the auxiliary top leg of the sock continues to move upwards to jack the sock onto the picking and transferring needle, and the picking and transferring device moves upwards;

step four: the lower picking and transferring device moves downwards, and the auxiliary transferring needle moves upwards after entering the lower part of the picking and transferring needle, so that the auxiliary transferring needle is matched with the picking and transferring needle to clamp the socks;

step five: the picking and transferring device transfers the socks out of the needle cylinder and transfers the socks to the sock head sewing device;

step six: the sock lifting device lifts the sock onto the auxiliary transfer needle;

step seven: the upper picking and transferring mechanism drives the picking and transferring needle to separate from the auxiliary transferring needle;

step eight: the lower picking and transferring mechanism moves to the lower part of the sewing head overturning device and then moves upwards;

step nine: the lower pick-up transfer mechanism drives the socks on the auxiliary transfer needle to move to the sewing tooth needle, then the lower sock jacking device and the sock turning barrel move upwards, and the lower sock jacking device jacks the loops of the socks on the auxiliary transfer needle onto the sewing tooth needle;

step ten: the sock turning barrel moves upwards to turn the socks, and the lower sock pushing device pushes the coils of the socks on the auxiliary transfer needles into the sewing tooth needles and then moves downwards to separate from the sewing head turning device;

step eleven: the turning semicircular mechanism takes the rotating shaft as a center point to drive the sewing tooth needles on the first sewing fluted disc to rotate towards the second sewing fluted disc;

step twelve: after the sewing tooth needles on the first sewing tooth disc are aligned with the sewing tooth needles on the second sewing tooth disc, the upper second semicircular ring pushing plate moves towards the first semicircular ring pushing plate, so that the coils of the socks arranged on the sewing tooth needles of the second sewing tooth disc move towards the first semicircular ring pushing plate;

step thirteen: the second semicircular ring pushing plate pushes the coil of the sock into the sewing tooth needle of the first sewing fluted disc, the second semicircular ring pushing plate and the first semicircular ring pushing plate simultaneously clamp the sock, and then the end sewing machine enters the working state of sewing the sock end;

at the time of step thirteen: when the sewing machine enters the working state of sewing the sock head, the lower sewing needle and the upper sewing needle do not contact with the sewing tooth needle.

The invention adopts the technical structure that the knitting needle and the picking and transferring needle respectively puncture the coils at different positions, and the sewing tooth needle and the sewing needle respectively puncture the coils at different positions, thereby avoiding the matching of the knitting needle and the picking and transferring needle, solving the phenomena of needle leakage and stitch drop caused by needle dislocation between the knitting needle and the picking and transferring needle, improving the picking and transferring and sewing efficiency of socks, realizing the purposes of adapting to hosiery machines with different needle cylinder needle numbers without replacing parts of the picking and transferring device and the stocking head sewing device of the socks, and transferring and sewing the socks with different needle numbers.

Drawings

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

FIG. 1 is a schematic view of a sock picking and transferring device according to the present invention;

FIG. 2 is an enlarged view of the structure at K in FIG. 1;

FIG. 3 is a schematic view of the structure of the socks of the present invention cooperating with knitting needles;

FIG. 4 is a schematic perspective view of the coil and the pick-up transfer needle of the present invention;

FIG. 5 is a schematic view of a structure of one coil cooperating with two tips of a pick-up transfer needle according to the present invention;

FIG. 6 is a schematic view of the structure of the front and rear coils cooperating with the pick-up transfer needle in the present invention;

FIG. 7 is a schematic view of the plan view of the engagement of the knitting needles with the pick-up transfer needles and the loops of the hosiery in accordance with the invention;

FIG. 8 is a schematic view of a sock picking and transferring device incorporating a sock lifting device according to the present invention;

FIG. 9 is a schematic view of the sock picking and transferring device of the present invention;

FIG. 10 is a schematic view of the top leg of the sock in cooperation with the sock picking and transferring device;

FIG. 11 is a schematic view of the pick-up transfer needle of the present invention cooperating with a secondary pick-up transfer needle to pick up a sock with a single needle tip;

FIG. 12 is a schematic view of the pick-up transfer needle of the present invention cooperating with a secondary pick-up transfer needle to pick up a sock with dual tips;

FIG. 13 is a schematic view of the first pair of pick-up transfer pins of the present invention in cooperation with the pick-up transfer pins to pick up the hosiery;

FIG. 14 is a schematic structural view of the first pair of pick-up and transfer pins picking up the socks after moving downwards;

FIG. 15 is a schematic plan view of the engagement structure of the first sub pick-up transfer needles and the knitting needles mounted in the lower pick-up transfer mechanism according to the present invention;

FIG. 16 is a schematic view of the two upper control devices controlling the two pick-up and transfer needles to pick up the socks in the present invention;

FIG. 17 is a schematic view of the structure of two pick-up transfer pins for transferring socks according to the present invention;

FIG. 18 is a schematic view showing the turning structure of the turning semicircular mechanism in the toe sewing device of the present invention;

FIG. 19 is a schematic view showing the construction of the toe sewing device according to the present invention in combination with a toe sewing machine;

FIG. 20 is a schematic view of a first sewing toothed disc and a second sewing toothed disc of the present invention;

FIG. 21 is a schematic view showing the structure of the toe sewing machine for sewing the toe of the sock according to the present invention;

FIG. 22 is a schematic view of the present invention with the latch needle disengaged from the sock;

FIG. 23 is a schematic structural view of the front and rear puncture sock stitching with two needle points of the sewing tooth needle according to the present invention;

FIG. 24 is a schematic structural view of the sock with two needle tips separated from each other in the sewing needle of the present invention;

FIG. 25 is a schematic view of a single point needle design of the present invention;

FIG. 26 is a view showing the structure of a needle assembly formed by two needles according to the present invention;

FIG. 27 is a view of the structure of a sewing needle with a projection stitch according to the present invention;

FIG. 28 is a view of the structure of a sewing needle with two needle tips having a cam stitch according to the present invention;

FIG. 29 is a schematic view of the pick-up transfer pin of the present invention engaging a secondary pick-up transfer pin to grip a pick-up sock;

FIG. 30 is a schematic view of the device for putting on the top of the sock in accordance with the present invention;

FIG. 31 is a schematic view of the secondary pick-up transfer needle picking up the socks of the present invention;

FIG. 32 is a schematic view of the secondary pick-up transfer needle in combination with the toe sewing device for transferring a sock in accordance with the present invention;

FIG. 33 is a schematic view showing the construction of the transferring of the sock by the turning leg of the sock in cooperation with the toe sewing device according to the present invention;

FIG. 34 is a schematic view of the sock-tip-stitching device for picking up the sock while turning the sock-turn leg over;

FIG. 35 is a schematic view of a pick-up transfer needle having two tips engaging a first pair of pick-up transfer needles to pick up a sock in accordance with the present invention;

FIG. 36 is a schematic view of a pick-up transfer needle having two needle tips in cooperation with a first pair of pick-up transfer needles of the present invention transferring a sock to a sock sewing device;

FIG. 37 is a schematic view of the needle assembly of the hosiery stitching device of FIG. 36 being used to pierce the hosiery;

FIG. 38 is a schematic view showing the sock turning barrel of the present invention turning the sock in FIG. 37 upside down;

FIG. 39 is a schematic view of the present invention showing the sewing needles on the sock-sewing device performing the transfer of the sock sewing operation;

FIG. 40 is a schematic view of the two needlepoint pick-up transfer needles of the present invention disengaged from the hosiery stitching device in conjunction with the first pair of pick-up transfer needles;

FIG. 41 is a schematic view of a pick-up and transfer stitching device for picking up a sock with pick-up and transfer needles having hooks according to the present invention;

fig. 42 is a structural view illustrating a transfer state of a pick-up transfer needle with a needle hook for picking up a sock 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.

In detail, referring to fig. 1-40, a picking and transferring sewing device for socks comprises a hosiery machine, wherein a needle cylinder 1, a knitting needle 3, a sock picking and transferring device and a sock head sewing device are arranged on the hosiery machine, a picking and transferring needle 7 is arranged on the sock picking and transferring device, the picking and transferring needle 7 is matched with a second coil 102 on a sock 90, the knitting needle 3 is matched with a first coil 101 on the sock 90, and the first coil 101 and the second coil 102 are coils at two different positions. The pick-up transfer needles 7 are uniformly arranged on the transfer disc of the sock pick-up and transfer device according to the number of knitting needles in the needle cylinder, and the pick-up transfer needles 7 are generally arranged on one transfer disc between 70 and 280 needles, so that the pick-up and transfer functions of the socks are completed through the cooperation. The principle of the invention is that the sock on the needle cylinder has a contractive force in the circumferential direction, the pick-up transfer needles mounted on the transfer disc are attached to the pick-up transfer needles through the contractive force after all the pick-up transfer needles puncture the sock, the pick-up transfer needles have a locking force for the sock, and the pick-up transfer needles can be matched with the needle cylinders with different needle numbers and the socks with different needle numbers at the same time, thereby avoiding the replacement of parts of the sock pick-up transfer device and greatly improving the working efficiency.

The picking transfer needle 7 is preferably not provided with a needle groove to be matched with the knitting needle 3, so that the manufacturing difficulty is reduced, and the damage of the sock loops caused by the needle groove is prevented.

The sock picking and transferring device 2 preferably comprises an upper picking and transferring device 2a and a lower picking and transferring device 2b, wherein the upper picking and transferring device 2a comprises a main transferring disc 8, a picking and transferring needle is arranged in a needle groove of the main transferring disc 8, and the radial movement of the picking and transferring needle is controlled by an upper control device 9; the lower pick-up transfer device 2b includes a sub transfer disk 11, a sub pick-up transfer pin 10 is installed in a pin slot of the sub transfer disk 11, and the radial movement of the sub pick-up transfer pin 10 is controlled by a lower control device 12. The sock head sewing device comprises a head sewing machine 21 and a head sewing turnover device. The head sewing turnover device comprises a sock turning barrel 14, a lower sock pushing device 15, an upper sock pushing device 13, a turnover semicircular mechanism 17 and a second sewing fluted disc 18, wherein a first sewing fluted disc 181 is mounted on the turnover semicircular mechanism 17, the first sewing fluted disc 181 is matched with a first semicircular ring pushing plate 191, and the second sewing fluted disc 18 is matched with a second semicircular ring pushing plate 19; the reverse semicircular mechanism 17 rotates around the rotating shaft 50 to drive the first sewing toothed disc 181 to match with the second sewing toothed disc 18, and any one of the sewing toothed needles 40, 401, 402 and 403 is installed on the first sewing toothed disc 181 and the second sewing toothed disc 18.

The pick-up transfer needle 7 preferably includes, as a structure as shown in fig. 2, a first needlepoint 701 and a second needlepoint 702, the first needlepoint 701 and the second needlepoint 702 cooperatively engage one coil hole on the sock 90, or the first needlepoint 701 and the second needlepoint 702 respectively engage one coil hole on the sock 90. As shown in fig. 4, the first tip 701 engages the first coil hole 1021 of the second coil 102, and the second tip 702 engages the second coil hole 1022 of the second coil 102. To achieve the up and down locking pick-up performance for the coil, the third needle point 1055 is fitted with the first coil hole 1021 on the second coil 102, and the fourth needle point 1056 is fitted with the second coil hole 1022 on the second coil 102.

The pick-up transfer needle 7012 preferably comprises, as a structure, a first needlepoint 703 and a second needlepoint 704, the first needlepoint 703 and the second needlepoint 704 cooperating with one coil hole on the sock 90, or the first needlepoint 703 and the second needlepoint 704 cooperating with one coil hole on the sock 90, respectively.

As shown in fig. 6, the first needle tip 703 and the second needle tip 704 extend to different lengths, the first needle tip 703 is fitted to the third coil hole 1023 of the second coil 102, and the second needle tip 704 is fitted to the fourth coil hole 1031 of the third coil 103. In order to achieve the up-and-down locking pickup performance for the coil, the protruding lengths of the third needlepoint 1055 and the fourth needlepoint 1056 are different, the third needlepoint 1055 is fitted to the third coil hole 1023 on the second coil 102, and the fourth needlepoint 1056 is fitted to the fourth coil hole 1031 on the third coil 103.

To achieve the effect of the pick-up transfer needle engaging with the secondary pick-up transfer needle 10 as shown in fig. 9 and 10, the secondary pick-up transfer needle 10 includes a third needlepoint 1055 and a fourth needlepoint 1056, and the third needlepoint 1055 and the fourth needlepoint 1056 cooperate to engage one of the coil holes on the sock 90.

Preferably, the third and fourth tips 1055 and 1056 each engage a respective coil hole in the sock 90.

The picking and transferring method for realizing the broad spectrum function of picking socks with different needle numbers without replacing the parts of the picking and transferring device is also called as a blind transferring method. The number of the pick-up transfer needles is 1.1 to 3 times of the number of the knitting needles. The number of the secondary pick-up transfer needles 10 is between 1.1 and 3 times the number of the needles 3.

As shown in fig. 13 and 14, in order to further improve the picking performance, the picking transfer needle 7 is fitted with a first sub picking transfer needle 1001, the first sub picking transfer needle 1001 is connected with an elastic member 26, and the elastic member 26 is a spring. The first sub pick-up transfer needles are divided into two types, one first sub pick-up transfer needle 1001 corresponding to the knitting needle 3 and the other first sub pick-up transfer needle 1002 not corresponding to the knitting needle 3, the non-corresponding first sub pick-up transfer needle 1002 lifts the sock 90 over the knitting needle 3.

To further improve the pick-and-transfer blind transfer method performance, as shown in fig. 16, 17, the pick-up transfer stitch 71 includes a first pick-up transfer stitch 711 and a second pick-up transfer stitch 712 independent of each other; the second pick-up transfer needle 712 is controlled by the upper control means 9, the first pick-up transfer needle 711 is controlled by the other upper control means 901, the pick-up force of the pick-up transfer needle 71 on the sock loops, and the pick-up position are adjusted by the forward and backward displacement of the first pick-up transfer needle 711 and the second pick-up transfer needle 712. The first and second pick-up transfer pins 711 and 712 cooperate with one or two coil holes on the sock 90.

In order to further improve the picking performance, the picking transfer needles 7, 7012 and 71 each comprise two needle points, and the distance between the two needle points is equal to or larger than the distance between two adjacent coil holes on the sock, so as to achieve the locking performance.

The sewing method for achieving the broad spectrum function of sewing socks with different needle numbers without changing the parts of the sock sewing device is also called a blind sewing method. The stitching needle 40, the stitching needle 401, the stitching needle 402 and the stitching needle 403 are inserted into a coil on the sock toe 90, and the stitching needle is inserted into the second coil 102 or a coil behind the second coil on the sock toe 90, so that non-needle-alignment structure stitching, namely blind stitching, is realized.

The sewing needle 401 or the sewing needle 403 as the sewing needle of the two-needle combination as the preferred embodiment simultaneously inserts the second stitch 102 or the stitch after the second stitch on the toe 90 of the sock to improve the pick-up performance for the toe 90. The needle 401 is provided with a needle tip 406 and a needle tip 407. The needle 403 is provided with a needle tip 404 and a needle tip 405.

In order to improve the sewing effect, the sewing needles 402 and 403 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 402 and 403 mounted on the first sewing toothed plate 181 are engaged with the first push blocks 24 which move up and down.

As shown in fig. 41 and 42, the sock pickup, transfer and sewing device comprises a hosiery machine, wherein a needle cylinder 1, a knitting needle 3, a sock pickup and transfer device 2, a pickup and transfer needle 7 and pickup and transfer needles 74 and 76 with a needle hook 78 and a needle latch 77 are arranged on the hosiery machine, the directions of the needle hooks on the pickup and transfer needles 74 and 76 are opposite, the pickup and transfer needle 7 is matched with a second coil 102 on a sock 90, the knitting needle 3 is matched with a first coil 101 on the sock 90, and the pickup and transfer needles 74 and 76 are matched with a third coil on the sock 90. The pick-up transfer needle 74 and the needle hook 78 on the pick-up transfer needle 76 can directly hook the sock 90 for the non-needle-pair pick-up transfer technical purpose.

A picking transfer sewing method for socks is characterized in that a picking transfer needle is matched with a second coil 102 on a sock 90, a knitting needle 3 is matched with a first coil 101 on the sock 90, the first coil 101 and the second coil 102 are coils at two different positions, and the picking transfer needle punctures to complete sock picking or the sock picking transfer device does not need to be replaced after a hosiery machine replaces needle cylinders with different needle numbers to knit socks with different needle numbers. The hosiery machine can work without replacing the sock head sewing device after the needle cylinder 1 with different needle numbers is used for knitting the socks with different needle numbers.

The preferred pick-and-transfer stitching method as shown in fig. 1, 8, 9, 10 comprises the following steps:

step 100: after the hosiery machine finishes knitting the last circle of the hosiery, the hosiery pickup and transfer device 2 moves to the position above the coaxial position 1c of the needle cylinder 1 to wait for picking up the hosiery, and the knitting needle 3 is matched with the first coil 101 on the hosiery 90; with the coaxial position 1c aligned with the central axis 203 of the sock pick-up and transfer device 2

Step 200: the top leg 4 on the inner side of the needle cylinder 1 jacks up the sock 90;

step 300: the pick-up transfer needle 7 on the upper pick-up transfer device 2a pierces the second stitch 102 on the connecting sock 90; step 400: the secondary pick-up transfer needle 10 on the lower pick-up transfer device 2b pierces the second stitch 102 or another stitch on the connecting sock 90;

step 500: the sock picking and transferring device 2 transfers the socks out of the needle cylinder 1 and moves and transfers the socks towards the sock head sewing device;

step 600: the upper sock jacking device 13 jacks the socks onto the auxiliary picking and transferring needle 10, and then the lower picking and transferring device 2b drives the socks on the auxiliary picking and transferring needle 10 to move to the sewing tooth needles arranged on the first sewing tooth disc 181 and the second sewing tooth disc 18; the needle includes any one of a needle 40, a needle 401, a needle 402, and a needle 403.

Step 700: the lower stocking jacking device 15 and the stocking overturning barrel 14 move upwards, and the lower stocking jacking device 15 jacks the coil of the stocking on the auxiliary picking transfer needle 10 into the sewing needle;

step 800: the turning semicircular mechanism 17 drives the sewing teeth needles on the first sewing teeth disc 181 to rotate towards the second sewing teeth disc 18 by taking the revolving shaft 50 as a center point;

step 900: the sewing needles mounted on the first sewing toothed disc 181 and the second sewing toothed disc 18 are aligned to form an upper second coil 102 and a lower second coil 102, the upper second coil 102 is located on the second sewing toothed disc 18, and the lower second coil 102 is located on the first sewing toothed disc 181;

step 1000: the first coil 101 and the second coil 102 are two coils at different positions, and the sewing needle are not aligned, so that the sewing needle completes the sewing of the sock head;

preferably, the method further includes, between step 900 and step 1000, step 950: the second semi-circular pushing plate 19 pushes the second coil 102 engaged with the sewing needles on the second sewing toothed disc 18 to the sewing needles on the first sewing toothed disc 181, so as to clamp the upper and lower coils conveniently.

It is preferable that the number of the sewing tooth needles in the step 600 of the method is 1.1 to 3 times of the number of the coil holes of the second coil 102 to improve the locking performance of the sewing tooth needles to the socks.

As the sewing needle 401 in the preferred step 600 of the method, the sewing needle 403 has two needle points, two needle points respectively penetrate the second coil 102 and the third coil 103 or two needle points respectively penetrate the fourth coil 104 and the third coil 103, and this structure of penetrating one coil together with the pick-up transfer needle improves the pick-up performance for the coil of the sock.

In the preferred method step 1000, after the sewing needle completes the sewing of the toe of the sock or after the sewing needle inserts the second stitch 102, the second pushing block 25 and the first pushing block 24 push the sewing needles on the second sewing toothed disc 18 to move in opposite directions to the sewing needles on the first sewing toothed disc 181, so that the sewing needles are separated from the toe of the sock, thereby improving the sock sewing performance.

A method for picking up, transferring and sewing socks as shown in fig. 1 and 29-40 comprises the following steps:

the method comprises the following steps: after the last circle of knitting is finished, the sock picking and transferring device 2 moves to a position above the same axis as the needle cylinder to wait for picking and transferring socks;

step two: the main top leg 5 moves upwards, the raised part of the main top leg 5 jacks up the protruding part toe 91 of the sock, so that the pick-up transfer needle on the upper pick-up transfer device 2a punctures and connects the second stitch 102 on the sock 90 at the same horizontal position; the puncture effect of the pick-up transfer needle is improved, and needle leakage is prevented;

step three: the auxiliary top leg of sock 6 moves upwards, the raised part of the auxiliary top leg of sock 6 with the thorn lifts the toe 91 to maintain the second stitch 102 at the same horizontal position, the auxiliary top leg of sock 6 continues to move upwards to push the sock onto the pick-up transfer needle, and the pick-up transfer device 2 moves upwards;

step four: the lower picking and transferring device 2b moves downwards, and the auxiliary transferring needle 10 moves upwards after entering the lower part of the picking and transferring needle, so that the auxiliary transferring needle 10 is matched with the picking and transferring needle to clamp the socks;

step five: the picking and transferring device 2 transfers the socks out of the needle cylinder and transfers the socks to the direction of the sock head sewing device;

step six: the sock-jacking device 13 jacks the socks onto the sub-transfer needle 10;

step seven: the upper picking and transferring mechanism 2a drives the picking and transferring needle to separate from the auxiliary transferring needle 10;

step eight: the lower picking and transferring mechanism 2b moves to the lower part of the stitch head overturning device, and then the lower picking and transferring mechanism 2b moves upwards;

step nine: the lower picking and transferring mechanism 2b drives the socks on the auxiliary transferring needle 10 to move to the sewing tooth needles, then the lower sock jacking device 15 and the sock turning barrel 14 move upwards, and the lower sock jacking device 15 jacks the loops of the socks on the auxiliary transferring needle 10 to the sewing tooth needles;

step ten: the sock overturning barrel 14 moves upwards to overturn the socks, and the lower sock jacking device 15 jacks the loops of the socks on the auxiliary transfer needle 10 onto the sewing tooth needles and then moves downwards to separate from the sewing head overturning device;

step eleven: the turning semicircular mechanism 17 drives the sewing teeth needles on the first sewing teeth disc 181 to rotate towards the second sewing teeth disc 18 by taking the revolving shaft 50 as a center point;

step twelve: after the sewing needles on the first sewing toothed disc 181 are aligned with the sewing needles on the second sewing toothed disc 18, the upper second semicircular ring pushing plate 19 moves towards the first semicircular ring pushing plate 191, so that the coils of the socks arranged on the sewing needles of the second sewing toothed disc 18 move towards the first semicircular ring pushing plate 191;

step thirteen: the second semi-circular ring pushing plate 19 pushes the coil of the sock into the sewing needle of the first sewing toothed disc 181, the second semi-circular ring pushing plate 19 and the first semi-circular ring pushing plate 191 simultaneously clamp the sock, and then the toe sewing machine 21 enters the working state of sewing the toe of the sock. In step thirteen: the lower sewing needle 22 and the upper sewing needle 23 do not contact the latch needle when the toe sewing machine 21 enters the operation state of sewing the toe. The method realizes the sock blind turning method which can pick up the socks with different needle numbers without replacing the parts of the sock picking and transferring device and the sewing device. Socks with any number of needles

The sock sewing device and the sock picking and transferring device can be suitable for socks with different needle numbers and hosiery machines with needle cylinders with different needle numbers, and greatly reduce the equipment replacement time and the manufacturing cost.

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.