CN110846800A - Mechanism for transferring loops from needles of knitting machine and sewing station mechanism - Google Patents

Abstract

The present invention provides a coil transfer mechanism from the knitting needle of a knitting machine and a sewing station mechanism, comprising a knitting machine, a plurality of sheet elements, and a transfer device, wherein each transfer element at least partially clamps an outer surface of the needle hook of each knitting needle, and each transfer element includes the transfer end, and when the needle tongue is closed to transfer the coil, the transfer end is maintained between the body of the knitting needle and the needle hook. The present invention also provides a sewing station mechanism, comprising a first semicircle, which includes a plurality of first longitudinal teeth; and a second semicircle, which includes a plurality of second longitudinal teeth, and can be rotated 180 degrees to approach and move away from each first longitudinal tooth on the first semicircle, and each first longitudinal tooth cross section is L-shaped. After the textile material such as socks is knitted by the knitting machine, it can ensure that the textile material is efficiently transferred from the knitting needle, and the open end of the textile material is efficiently sewn at its station.

Description

Mechanism for transferring loops from needles of knitting machine and sewing station mechanism

technical field

The present invention is an improvement of the mechanism described in the patent number EP2377979, and more particularly, it relates to a mechanism for ensuring that textile materials such as socks are knitted in a knitting machine after being knitted from the needles, and to the open end sewing of textile materials. bit institution.

Background technique

Tubular textiles such as socks are made by warp knitting in circular knitting machines. Then, one end of the textile with two open ends is removed from the needles of the circular knitting machine and brought to the toe stitching station where it is stitched. The transfer of the tubular textile from the circular knitting machine to the toe stitching station can be performed by an automatic mechanism such as described in Patent No. EP2377979.

As described in patent EP2377979, when the sock knitting procedure in the knitting machine is completed, the knitting needle loops of the last row are removed from the knitting needles one by one by the transfer element and the sheet element, and transferred to a toe away from the position of the knitting needle Sewing station knitting needles.

The transfer element described in patent number EP2377979 (as shown in its figures 31 to 38 ) comprises a front opening 1e into which the hooks of the knitting needles are inserted before the stitch transfer. To ensure this, the front opening should comprise a certain width, otherwise the hooks of the needles cannot be inserted into the transfer element. Such a structure requires more precise positioning control between the transfer element and the needles, however, it has certain disadvantages, such as the need to use a thicker transfer element to increase the force when moving heavier objects, thereby increasing the cost. Furthermore, the transfer element described in Patent No. EP2377979 comprises a filling of material at the most distal end for attaching the hooks of the knitting needles, such complex geometries being difficult and expensive to produce.

On the other hand, the transfer of the loop by the transfer element to the toe stitching station has mainly a circular configuration, one half of which can be turned 180 degrees and opened and closed relative to the other half. One semicircle includes a plurality of female teeth along which the female teeth protrude, and the other semicircle includes the same number of male teeth as the female teeth, the male teeth projecting along this semicircle in the same way.

When a half circle is closed relative to the other half circle, a structural correspondence between the male and female teeth must be ensured. In the next step where the half circle is closed on the other half circle, the loops in one half circle will be close to the loops in the other half circle, so that the loops can be stitched and the end of the textile material can be stitched.

As disclosed in the above application, the semicircle that typically carries the female teeth can be closed (and opened) on the semicircle that carries the male teeth, and the coils on the female teeth can be adjacent to the coils in the male teeth. Therefore, when the loops that are close to each other are located on the male teeth, the toe stitching procedure, that is, the stitching procedure, is performed. Therefore, the male teeth should have a specific structure. The sewing needles should be very close to the stitch pairs that are close to each other, otherwise, during the sewing process with the stitches close together, it will not be possible to sew. In short, the male teeth should have a running gap while carrying the coil pairs, so that the sewing needle can enter and leave each coil pair, and the gap can be in the structure of a U-shaped or V-shaped channel in EP2377979 (as shown in Figure 30 thereof) . However, these existing structures sometimes prevent the needle from finding the proper running clearance when the stitch pairs are relatively stretched, for example, and can cause the seam to not form properly or even break the needle. FIG. 30 shows a top view of the V-shaped channel structure 515b, the loop 73 and the sewing needle 80 in the prior art.

In practice, the toe suture procedure (suture procedure) is performed on the male teeth, but in theory, the semicircle carrying the male teeth can also be closed on the semicircle carrying the female teeth, and the female teeth can be arranged such as U and V-shaped configuration for stitching as described above. In summary, stitch-pair stitched (ie, toe stitching procedures) tooth-shaped structures include, for example, U-shaped or V-shaped structures.

SUMMARY OF THE INVENTION

One of the objects of the present invention is to provide a mechanism for transferring loops from the needles of a knitting machine, enabling efficient transfer of loops of textile material from the needles, which are knitted in tubular form.

The second purpose of the present invention is to provide a sewing station mechanism, which enables efficient sewing after the stitches are transferred.

One of the objects of the present invention is achieved in this way:

The present invention relates to a mechanism for transferring loops from knitting needles of a knitting machine, comprising: a knitting machine comprising a plurality of knitting needles, each knitting needle comprising a hook and a latch, the latch being rotatable by Approach and away from the hook; a plurality of sheet elements to transfer the loops in each needle to a sewing station, each sheet element can touch the loop in each needle, can approach and move away from each needle and each sheet member moves along a needle axis; and a transfer device comprising a plurality of transfer members, each transfer member can be close to and away from the hook of each knitting needle, when each sheet member transfers the loop in each knitting needle The loop is brought onto the transfer end as it moves towards each hook; each transfer element at least partially grips an outer surface of the hook of each needle, and each transfer element includes the transfer end, when the latch When closed to transfer the loop, the transfer end remains between the body of the needle and the hook.

Preferably, the bottom of each transfer element is an arc, which covers the top and outer front surface of each needle hook.

Preferably, the transfer end of each transfer element is located in front of each hook, so as to partially cover the tail end of the hook from the outside, and whereby the transfer element is brought close to each hook for loop transfer. The end remains in a position lower than an open end of the needle hook.

Preferably, the transfer end of each transfer element includes a curved structure towards the body of the needle.

Preferably, each transfer element includes a plate body and a transfer low bottom body, the transfer low bottom body is at the bottom of the plate body and protrudes from one side of the plate body, and the transfer low bottom body includes a U-shaped A transfer channel.

Preferably, the transfer channel of the transfer low bottom body includes a first side plate, a second side plate, and a connecting plate, the first side plate and the second side plate are arranged in parallel and spaced apart from each other, the connection The two sides of the board are respectively connected with the first side board and the second side board.

Preferably, the end of the first side plate away from the plate body includes a first sloped portion, the second side plate includes a second sloped portion corresponding to the first sloped portion, the first sloped portion and the second sloped portion The inclined surfaces are respectively inclined toward the rear and downward on one side of the transfer channel, and the first inclined surface and the second inclined surface are of the arc-shaped structure.

Preferably, the plate body includes a transfer drive end, a body, and an extension portion, the transfer drive end extends upward from the rear end of the body, and the extension portion is away from the body from the front end of the transfer drive. extending downward, the bottom end of the extension part is connected with the transfer low bottom body, the side of the transfer driving end away from the body forms a concave arc groove, the outer side of the extension part forms a third inclined surface, the A fourth inclined portion is formed on the inner side of the extension portion, and an inclined shoulder portion is formed adjacent to the connection between the extension portion and the transfer low bottom body, and the inclined shoulder portion is located on the side including the connecting plate.

The second purpose of the present invention is achieved in this way:

A sewing station mechanism for sewing the open end of a textile material woven into a tubular shape at a sewing station, comprising: a first semicircle, which includes a plurality of first longitudinal teeth, each of which is a first semicircle. The number of longitudinal teeth is half of the number of loops in the last row of the open end of the textile material; and a second semicircle including a plurality of second longitudinal teeth, the number of each second longitudinal teeth is the open end of the textile material Half the number of stitches in the last row, and can be rotated 180 degrees to approach and away from the first longitudinal teeth on the first semicircle; the sewing station includes each first longitudinal direction of a pair of stitches transferred by a transfer device The teeth are L-shaped in cross section.

Preferably, each of the first longitudinal teeth including the L-shaped cross section is a male tooth.

Preferably, a sewing procedure is performed on each of the fixed first longitudinal teeth of the first semicircle.

Preferably, each male tooth includes a vertically extending male extension portion and a side extension portion, and the side extension portion extends from the male extension portion.

Preferably, each second longitudinal tooth portion is a female tooth.

Preferably, each male tooth includes an inwardly extending male fixing portion, and includes a vertically extending male extending portion, and includes a convex end portion; each female tooth includes an inwardly extending female fixing portion and includes a vertically extending The female extension part of the socket includes a slot at one end. When each male tooth is close to each female tooth, the convex end of each male tooth is inserted into the end slot of each female tooth, and the coil is smoothly transferred between the male teeth and the female teeth. .

Preferably, one of the first semicircle and the second semicircle is a fixed jaw, and the other is a movable jaw. The movable jaw carries each female tooth, the fixed jaw carries each male tooth, and the movable jaw carries each male tooth. The movable jaw can be rotated 180 degrees and can be closed on the fixed jaw, so that the convex end of each male tooth is inserted into the end groove of each female tooth.

The beneficial effects of the present invention are:

Each transfer element has a simple structure, and can partially clamp the outer surface of the needle hook of each knitting needle to achieve positioning; the transfer element also includes a transfer end, which can be maintained on the knitting needle when the needle latch is closed to transfer the loop. Between the main body of the knitting machine and the needle hook, the loop can be unhooked smoothly; the first longitudinal tooth part is L-shaped, which can ensure that the knitting needle finds a proper running gap, forms a correct seam, and avoids breaking the knitting needle. Therefore, the stitches of the textile material can be efficiently transferred from the knitting needle, so that the stitches can be stitched efficiently after transferring the stitches.

Description of drawings

The present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments.

Figure 1: A representative isometric axial side projection view of the mechanism of the present invention as the sheet element begins to push down the coil;

Figure 2: A representative isometric axial side projection view of the mechanism of the present invention as the sheet element pushes the coil downward;

Figure 3: A representative isometric axial side projection view of the mechanism of the present invention when the sheet element is away from the coil;

Figure 4: A representative isometric axial side projection view of the mechanism of the present invention as the sheet element begins to move downward;

Figure 5: Representative isometric axial side projection view of the mechanism of the present invention when the sheet element is close to the coil and gripping the coil from the bottom;

Figure 6: A representative isometric axial side projection view of the mechanism of the present invention as the sheet element pushes the coil upward;

Figure 7: Representative isometric axial side projection view of the mechanism of the present invention when the sheet element fully decouples the coil;

Figure 8: Representative isometric axial side projection view of the mechanism of the present invention when the sheet element and transfer element are away from the needles;

Figure 9: A representative isometric axial side projection view of the mechanism of the present invention as the coil is brought to the sewing station;

Figure 10: A representative isometric axial side projection view of the mechanism of the present invention, when the coil is engaged with the teeth at the sewing station by the upward movement of the sheet and the transfer element;

Figure 11: Representative isometric axial side projection view of the mechanism of the present invention as the transfer element moves away from the teeth by moving up;

Figure 12: Representative isometric axial side projection view of the mechanism of the present invention as the transfer element moves away from the teeth by radial movement;

Figure 13: A representative isometric axial projection view of the mechanism of the present invention when one half circle is closed in the other half circle and the sheet element grabs the coil from the bottom in the closed half circle;

Figure 14: A representative isometric axial side projection view of the mechanism of the present invention when the coil quilt body elements are side by side in the half-scalloped portion;

Figure 14A: a partial enlarged view of Figure 14 where the end of the male tooth is inserted into the end groove of the female tooth;

Figure 15: A representative isometric axial side projection view of the mechanism of the present invention as the coils are sewn;

Figure 16: Front view of coil transfer;

Figure 17: Front view of Figure 6;

Figure 18: A front view of the quilt body element and the transfer element before being transferred to the teeth of the sewing station after the stitches are transferred from the needles;

Figure 19: A front view of the coil quilt body and the transfer element when they are nested on the teeth of the sewing station;

Figure 20: A front view of the transfer element when the transfer element is moved away from the teeth by the upward movement after the loop is fitted over the loop of the sewing station;

Figure 21: A front view of the transfer element when the transfer element is moved away from the teeth by radial movement after the stitches have been tucked into the stitches of the sewing station;

Figure 22: A front view of the sheet body element and the transfer element by moving downwards away from the teeth;

Figure 23: In the mechanism of the present invention, a front view when one half circle is closed to the other half circle;

Figure 24: In the mechanism of the present invention, a front view when the coil pair is juxtaposed on the scalloped portion through the sheet element;

Figure 25: In the mechanism of the present invention, a front view when the sheet element and the transfer element are away from the sewing station;

Figure 26: A front view of the semicircle when it returns to the initial position (open) after the coil has been transferred to the teeth of the other semicircle;

Figure 27: In the mechanism of the present invention, a front view when the stitch is sewn;

Figure 28: Construction drawing of the transfer element;

Figure 29: A cross-sectional view of the male teeth including the loop and the sewing needle;

Figure 30: A cross-sectional view showing a prior art male tooth including a loop and a sewing needle.

Description of reference numerals

Knitting needle 10

Needle hook 11

Latch 12

Chip element 31

stripped end 32

Strip drive end 33

Transfer element 41

Transfer end 42

Transfer drive end 43

transfer channel 44

Transfer low bottom body 45

first side plate 451

second side plate 452

Connection board 453

First bevel 454

Second bevel 455

Plate 46

Body 461

extension 462

Concave arc groove 463

The third slope part 464

Fourth Bevel 465

sloping shoulder 466

Jaw unit 50

Fixed jaw 51

Male tooth 511

Male fixing part 512

Male extension 513

Side extensions 514

Male end 515

V-channel structure 515b

Movable jaw 52

Female tooth 521

Female fixing part 522

Female extension 523

End slot 524

Coil 73

Sewing needle 80.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Many specific details are set forth in the following description to facilitate a full understanding of the present invention, but the present invention can also be implemented in other ways different from those described herein, and those skilled in the art can do so without departing from the connotation of the present invention. Similar promotion, therefore, the present invention is not limited by the specific embodiments disclosed below.

The present invention relates to a mechanism for ensuring transfer, especially a mechanism for transferring socks from a knitting machine to a toe sewing station.

As described in Patent No. EP2377979, when the knitting procedure of the sock is completed in the sock making machine, the toe of the sock is open and the last loop 73 on the toe is still on the needle 10 of the knitting machine. Different numbers of sheet elements 31 and transfer elements 41 can be used to allow the toe of a sock as described in Patent No. EP2377979 to be sewn. The above-mentioned elements are arranged at positions opposite to each other on both sides of the same surface of the chuck (not shown in the figure).

As shown in FIGS. 1 to 8 and 16 , it is shown how to gradually remove the last loop 73 still located on the knitting needle 10 through the sheet element 31 and the transfer element 41 . (Please refer to the description of the steps of the above procedure in the application document of Patent No. EP2377979). That is, the transfer member 41 is pushed close to the hook 11 of the knitting needle 10 by the transfer driving end 43, and is pushed again by the peeling driving end 33, so that the sheet member 31 first grabs the top of the loop 73, and then moves downward, so that the It is unhooked from the latch 12 of the knitting needle 10 .

In the present invention, each transfer element 41 at least partially clamps an outer surface of the hook 11 of each knitting needle, and each transfer element 41 includes the transfer end 42, when the latch 12 is closed to transfer the loop 73 , the transfer end 42 is maintained between the body of the knitting needle 10 and the needle hook 11 .

The bottom of the transfer element 41 includes an arc-shaped structure, which conforms to the shape of the outer surface of the needle hook 11, and is clamped and positioned on the outer surface of the needle hook 11. Therefore, when the transfer element 41 is close to the needle hook 11 to transfer the loop 73, The outer surface of the needle hook 11 can preferably be covered. The above-mentioned arc at the bottom of each transfer element 41 preferably mainly covers the top and outer front surface area of each needle hook 11 .

The transfer end 42 of the transfer element 41 is located in front of the needle hook 11 and partially covers the tail end of the needle hook 11 from the outer side, whereby when the transfer element 41 is close to the needle hook 11 to transfer the stitches 73, the transfer end 42 is maintained at a slight position. A position lower than the open end of the hook 11 .

Preferably, as shown in FIG. 17 , the transfer end 42 of the transfer element 41 may comprise a curved structure towards the body of the knitting needle 10 . In this way, when the latch 12 of the knitting needle 10 is closed in the next step, the loop 73 can be transferred in a relatively safe manner.

As shown in FIGS. 3 and 4 , by moving the loop 73 downward by the pressure exerted by the peeling end 32, after the loop 73 is unhooked from the latch 12, the sheet member 31 is slightly returned in the radial direction and moved downward; in the next step , as shown in FIG. 5 , it moves forward and grabs the coil 73 from the bottom; in the next step, as shown in FIG. 6 , it moves the coil 73 upward and at the same time the latch 12 is closed. In this case, the transfer end 42 is maintained between the hook 11 and the latch 12 . As shown in FIG. 7 , when the sheet member 31 is further moved upward, the coils 73 are transferred to the corresponding transfer members 41 .

In the next step, as shown in FIG. 8 , the transfer element 41 and the sheet element 31 move away from the knitting needle 10 together and move to the sewing station corresponding to the toe stitching procedure, that is, below the jaw unit 50 .

As shown in FIG. 18 to FIG. 22 , after the transfer element 41 and the sheet element 31 are positioned under the jaw unit 50 , they move up and fit on the first longitudinal teeth that are spaced around the jaw unit 50 by 360 degrees. and the second longitudinal teeth, the first longitudinal teeth in this embodiment are male teeth 511 , and the second longitudinal teeth are female teeth 521 . The male teeth 511 are fastened to the corresponding jaws by their inwardly extending male fixing portions 512, while the female teeth 521 are fastened to the corresponding jaws in the same way by their inwardly extending female fixing portions 522.

As shown in FIGS. 9 to 14 , the steps of transferring the coil 73 to a male tooth 511 are shown. Each transfer element 41 includes a transfer low-bottom body 45 slightly protruding and extending perpendicularly from the body, which includes a U-shaped transfer channel 44 . When the transfer element 41 and the sheet element 31 move up together, the male teeth 511 and the female teeth 521 are inserted into the transfer channels 44 , and the coil 73 is released to the male extension 513 of the male tooth 511 and the female extension of the female tooth 521 523. Then, the transfer member 41 and the sheet member 31 move upwardly away from each of the male teeth 511 and the female teeth 521 . As shown in FIG. 14A , the male teeth 511 have a convex end 515 , and the female teeth 521 have a groove 524 at one end.

As shown in FIG. 28, each transfer element 41 includes a plate body 46, and the transfer low bottom body 45 is at the bottom of the plate body 46 and protrudes slightly. The transfer low bottom body 45 has a transfer channel 44, which includes a first side plate 451, a second side plate 452, and a connecting plate 453, wherein the first side plate 451 and the second side plate 452 are parallel to each other, and The two sides of the connecting plate 453 are respectively connected to the first side plate 451 and the second side plate 452 by being spaced apart. In this embodiment, one end of the first side plate 451 away from the plate body 46 includes a first inclined surface 454 , and the second side plate 452 includes a second inclined surface 455 corresponding to the first inclined surface 454 . The part 454 and the second inclined part 455 are respectively inclined toward the rear and downward on one side of the transfer channel 44 , and the first inclined part 454 and the second inclined part 455 are symmetrical in shape. The first inclined surface 454 and the second inclined surface 455 constitute a part of the arc shape of the bottom of the transfer element 41 , and can cover the outer surface of the needle hook 11 according to the curved structure of the transfer end 42 .

The plate body 46 includes a transfer driving end 43, and has a body portion 461 and an extension portion 462. The transfer driving end 43 extends upward from the rear end of the body portion 461, and the extension portion 462 is away from the front end of the transfer driving end 43 from the body 461. The bottom end of the extension portion 462 is connected to the transfer low bottom body 45 , a concave arc groove 463 is formed on the side of the transfer driving end 43 away from the body portion 461 , and a third inclined portion 464 is formed on the outer side of the extension portion 462 A fourth sloped portion 465 is formed on the inner side of the extension portion 462 , and a sloped shoulder portion 466 is formed adjacent to the connection between the extension portion 462 and the transfer low bottom body 45 .

As shown in FIG. 23 , the jaw unit 50 includes two semicircles, one of which is a fixed jaw 51 and the other is a movable jaw 52 . According to a preferred embodiment, the movable jaw 52 carrying the female teeth 521 can be closed on the fixed jaw 51 carrying the male teeth 511 and opened by 180 degrees of rotation. As shown in FIG. 23 , when the movable jaw 52 is closed on the fixed jaw 51 , the convex end 515 of the male tooth 511 is inserted into the end slot 524 of the female tooth 521 (as shown in FIG. 14A ), so as to smoothly transfer the coil 73 so that it does not get stuck between the male teeth 511 and the female teeth 521. Thereafter, as shown in FIG. 24 , the transfer member 41 and the sheet member 31 are moved upward, pushing up the coil 73 carried by the female teeth 521 to abut against the coil 73 carried by the male teeth 511 , and then away from the jaw unit 50 . .

In the next step, as shown in FIG. 24 to FIG. 27 and FIG. 15 , the movable jaw 52 is opened and returned to the initial position, and then the sewing needle 80 sews each pair of loops 73 on the male teeth 511 to sew the open end of the textile material .

As shown in this embodiment, the cross section of the tooth portion for sewing the coil 73 pair together, that is, the cross section of the male tooth 511, is L-shaped. As shown in FIG. 29, the male tooth 511 includes a side extension portion 514, which It extends vertically downward from the male extension portion 513 .

The above descriptions are only preferred embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Claims (15)

1. A mechanism for transferring a loop from a needle of a knitting machine, comprising:

a knitting machine including a plurality of knitting needles, each of the knitting needles including a hook and a latch, the latch being rotated to approach and be away from the hook;

a plurality of blade members for transferring the loop of each knitting needle to a sewing station, each blade member being movable in an axial direction of the corresponding knitting needle in a direction approaching or separating from each knitting needle by contacting the loop of each knitting needle; and

a transfer device comprising a plurality of transfer elements, each transfer element being accessible to and remote from the hook of each needle, each transfer element having a transfer end onto which the loop is brought when each blade element moves the loop in each needle towards each hook;

characterized in that each transfer element grips at least partially an outer surface of the hook of each needle and comprises the transfer end which is maintained between the body of the needle and the hook when the latch is closed to transfer the loop.

2. The mechanism for transferring stitches from needles of a knitting machine according to claim 1, characterized in that the bottom of each transfer element is of an arc shape covering the top and the outer front surface of each hook.

3. The mechanism for transferring stitches from a needle of a knitting machine as set forth in claim 1, characterized in that the transferring end of each transferring member is located in front of each hook so as to partially cover the rear end of the hook from the outside, and whereby the transferring end is maintained at a position lower than an open end of the hook when each transferring member is brought close to each hook for the transfer of stitches.

4. The mechanism for transferring stitches from a needle of a knitting machine as claimed in claim 3, characterized in that said transferring end of each transferring element comprises an arc-shaped structure curved toward said needle.

5. The mechanism for transferring stitches from needles of a knitting machine according to claim 4, characterized in that each transfer element comprises a plate body and a transfer low bottom body, at the bottom of the plate body and protruding from one side of the plate body, and the transfer low bottom body comprises a transfer channel shaped like a U.

6. The mechanism for transferring stitches from a knitting needle of a knitting machine as set forth in claim 5, wherein said transfer passage of said transfer lower body includes a first side plate, a second side plate, and a connecting plate, said first side plate and said second side plate being disposed in parallel with each other and spaced apart from each other, both side edges of said connecting plate being connected to said first side plate and said second side plate, respectively.

7. The mechanism of claim 6, wherein an end of the first side plate remote from the plate body has a first bevel portion, the second side plate is provided with a second bevel portion corresponding to the first bevel portion, the first and second bevel portions are respectively inclined toward a lower rear direction at a side of the transfer passage, and the first and second bevel portions have an arc-shaped configuration.

8. The mechanism for transferring stitches from a knitting needle of a knitting machine as set forth in claim 7, wherein the plate body includes a transfer driving end, a body portion, and an extension portion, the transfer driving end is provided extending upward from a rear end of the body portion, the extension portion is provided extending downward from a front end of the body portion away from the transfer driving end, a bottom end of the extension portion is connected to the transfer low bottom body, a concave arc groove is formed on a side of the transfer driving end away from the body portion, a third inclined surface portion is formed on an outer side of the extension portion, a fourth inclined surface portion is formed on an inner side of the extension portion, and an inclined shoulder portion is formed adjacent to a connection portion of the extension portion and the transfer low bottom body, the inclined shoulder portion being located on a side including the connecting plate.

9. A sewing station mechanism for sewing an open end of a woven tubular textile material at a sewing station, comprising

The first semicircle comprises a plurality of first longitudinal tooth parts, and the number of the first longitudinal tooth parts is half of that of the last row of coils at the opening end of the textile material; and

a second semicircle comprising a plurality of second longitudinal teeth, each of the second longitudinal teeth being half the number of the last row of the coils at the open end of the textile material and being rotatable 180 degrees to be close to and away from each of the first longitudinal teeth on the first semicircle;

characterized in that the sewing station comprises first longitudinal teeth of the pair of stitches transferred by a transfer device, the cross section of which is L-shaped.

10. The sewing station mechanism of claim 9, wherein each first longitudinal tooth having an L-shaped cross section is a male tooth.

11. The sewing station mechanism of claim 9, wherein a sewing procedure is performed on each fixed first longitudinal tooth of the first semicircle.

12. The sewing station mechanism of claim 10, wherein each male tooth includes a male extension extending vertically and a side extension extending from the male extension.

13. The sewing station mechanism of claim 10, wherein each second longitudinal tooth portion is a female tooth.

14. The sewing station mechanism of claim 13, wherein each male tooth includes an inwardly extending male fixed portion, and includes a vertically extending male extending portion, and includes a male end portion; each female tooth includes a female fixing portion extending inwardly, a female extending portion extending vertically, and an end groove, and when each male tooth is adjacent to each female tooth, the convex end of each male tooth is inserted into the end groove of each female tooth, so as to smoothly transfer the coil between the male teeth and the female teeth.

15. The sewing station mechanism of claim 14, wherein one of the first and second semicircles is a fixed jaw and the other is a moveable jaw, the moveable jaw carrying the female teeth and the fixed jaw carrying the male teeth, the moveable jaw being rotated 180 degrees and closable over the fixed jaw such that the male end of each male tooth is inserted into the end slot of each female tooth.

Images