CN220013021U - Thread cutting mechanism capable of separating upper thread and lower thread and sewing machine - Google Patents

Abstract

The utility model relates to a thread cutting mechanism capable of separating upper threads from lower threads and a sewing machine, the thread cutting machine comprises a first thread cutting knife and a second thread cutting knife, a first cutting edge is arranged on the first thread cutting knife, a second cutting edge and a thread cutting hook used for hooking the lower threads and the upper threads to move towards the first thread cutting knife are arranged on the second thread cutting knife, the second thread cutting knife can rotate relative to the first thread cutting knife until the second cutting edge is meshed with or separated from the first cutting edge, a lower thread hook and an upper thread hook are arranged at the hook bottom of the thread cutting hook, a separation part is arranged between the lower thread hook and the upper thread hook, the lower thread hook is connected with the left side edge of the thread cutting hook, and the upper thread hook is connected with the right side edge of the thread cutting hook. The utility model can prevent yarn adhesion phenomenon after the bottom line and the selvedge line are cut, thereby improving the problem that the seam is not sewn.

Description

Thread cutting mechanism capable of separating upper thread and lower thread and sewing machine

Technical Field

The present utility model relates to a sewing machine, and more particularly, to a thread cutting mechanism capable of separating an upper thread and a lower thread, and a sewing machine.

Background

In the sewing machine, a lock stitch is formed on the fabric by driving a needle to take an upper thread and a bottom thread, and after the sewing is finished, the sewing machine drives a thread cutting mechanism to finish thread cutting action. When the thread is cut below the needle plate hole, the thread cutting knife cuts the bottom thread and the selvedge thread of the upper thread, and the needle selvedge thread cannot be cut or damaged.

The long fiber sewing thread is formed by weaving longer fibers, the longer fibers are woven into yarns with one strand, and a plurality of strands of yarns are woven into the long fiber sewing thread. The finished product of the long-fiber sewing thread is generally called as silk light, the yarns are smooth and clean, are not easy to adhere, and are easy to scatter. The short fiber yarn is woven by short fibers, generally refers to common polyester yarns, cotton yarns and the like, and forms the periphery of the yarn, short and loose fiber fluff is densely distributed, the yarn is easy to adhere, and the yarn is not easy to loose.

In the prior art sewing machine, for example, in the utility model of application number CN202220203395.5, a thread cutting mechanism is disclosed, the thread cutting mechanism comprises a first thread cutter 2 and a second thread cutter 1, referring to fig. 1 and 2, the second thread cutter 1 can rotate relative to the second thread cutter 1, so that a first cutting edge 201 on the second thread cutter is meshed with or separated from a second cutting edge 101 on the second thread cutter 1, a thread cutting hook 102 and a thread cutting tip 103 are arranged on the second thread cutter 1, the thread cutting tip 103 is inserted between the loops of the upper thread 6 to cut threads when the second thread cutter 1 rotates, the thread cutting hook 102 hooks the lower thread 7 and the cloth thread 602 in the loops of the upper thread, and pushes both the lower thread 7 and the upper thread 6 to the position of the first thread cutter 2, and then the second cutting edge 101 is meshed with the first cutting edge 201, so that the lower thread 7 and the cloth thread 602 are cut.

In the prior art, the interweaving point 9 of the upper thread 6 and the bottom thread 7 is basically arranged below the second thread cutter 1, and after the thread is cut, the yarns between the upper thread 6 and the bottom thread 7 have adhesion phenomenon, as shown in fig. 1 and 2. After finishing the trimming like this, when operating personnel take the cloth, the adhesion phenomenon of end of a thread and end of a thread 701 of face thread 6 has very big probability can take the end of a thread 701 to arbitrary possible position, and the quick rotation of rotating shuttle begins, and the round arc of its biggest outline can be quick promotes end of a thread 701 once more, makes end of a thread 701 do unordered motion, has great probability to hide the wire loop of face thread 6 when the seam is lifted, has consequently further increased the probability that the seam is not lifted.

Disclosure of Invention

In view of the above-mentioned drawbacks of the prior art, an object of the present utility model is to provide a thread cutting mechanism capable of separating an upper thread from a lower thread, and a sewing machine capable of separating the upper thread from the lower thread when cutting the thread, so as to prevent the phenomenon of yarn adhesion between the upper thread and the lower thread and to improve the problem of non-thread lifting during the thread cutting.

The utility model provides a thread cutting mechanism capable of separating upper threads and lower threads, which is used for being arranged at a rotating shuttle of a sewing machine to cut threads, and comprises a first thread cutting knife and a second thread cutting knife, wherein the first thread cutting knife is provided with a first cutting edge, the second thread cutting knife is provided with a second cutting edge and a thread cutting hook used for hooking the lower threads and the upper threads to move towards the first thread cutting knife, the second thread cutting knife can rotate relative to the first thread cutting knife until the second cutting edge is meshed with or separated from the first cutting edge, a lower thread hook part and a surface thread hook part are arranged at the hook bottom of the thread cutting hook, a separation part is arranged between the lower thread hook part and the surface thread hook part, the lower thread hook part is connected with the left side edge of the thread cutting hook, and the surface thread hook part is connected with the right side edge of the thread cutting hook.

Further, a branching tip part used for being inserted into the upper thread loop is arranged on the first thread cutting knife, the branching tip part is located on the right side of the thread cutting hook and shares a side with the thread cutting hook, and a branching bevel edge which is obliquely arranged right is arranged on the right side of the branching tip part.

Further, the bottom line hooking part and the upper line hooking part are arc-shaped gaps.

Further, the second thread cutting knife is further provided with an upper thread accommodating groove and a lower thread accommodating groove, the upper thread Rong Xiancao extends from the second cutting edge to the upper thread hooking part, the lower thread Rong Xiancao extends from the second cutting edge to the lower thread hooking part, and a groove separating strip is arranged between the upper thread accommodating groove and the lower thread accommodating groove.

Further, the bottom surface of the upper thread containing groove and the bottom surface of the bottom thread containing groove are arc-shaped.

Further, the second thread cutting knife is arc-shaped and coaxially arranged at the peripheral side of the rotating shuttle, and the second cutting edge, the upper thread containing groove and the bottom thread containing groove are all positioned on the outer cambered surface of the second thread cutting knife.

Further, the first wire cutter is fixed, and the second wire cutter can rotate around the rotating shuttle to be engaged with or separated from the first wire cutter.

Further, the outer cambered surface of the second wire cutter is provided with a protruding bulge, the bulge is provided with a through hole, and the edge of the through hole intersected with the bulge surface forms a second cutting edge.

Further, the first thread cutting knife is provided with a lifting part, the second thread cutting knife is provided with a lifting part which inclines towards the side where the rotating shuttle is located, and the lifting part is inserted into the lower side face of the lifting part towards the rotating shuttle when the second thread cutting knife rotates towards the first thread cutting knife.

The utility model also provides a sewing machine, which comprises the rotating shuttle and the thread cutting mechanism, wherein the thread cutting mechanism is arranged at the rotating shuttle to cut threads.

As described above, the thread cutting mechanism and the sewing machine according to the present utility model have the following advantageous effects:

through setting up the bottom line portion of colluding and face line portion of colluding at the cut-off hook of second cut-off knife, when needing the cut-off, second cut-off knife rotates to interlock cut-off state relative first cut-off knife, the second cut-off knife is when rotating, the cut-off hook can hook the bottom line, and the selvedge line in the face line loop, and be close first cut-off knife, under the effect of cut-off wire demand, feed wire demand and take-up quantity, bottom line and face line can be strained, the bottom line can enter into the bottom line portion of colluding from the left side edge of cut-off hook, the selvedge line in the face line can enter into the face line portion of colluding from the right side edge of cut-off hook, the partition portion is with bottom line portion of colluding and face line portion of colluding, can separate certain distance with bottom line and selvedge line in the cut-off hook effectively, make the interweaving point of bottom line and selvedge line be located outside first and second edge, bottom line and selvedge line and face line can not appear on the edge, thereby the problem of thread adhesion can not be improved.

Drawings

Fig. 1 is a schematic structural view of a wire cutting mechanism of a conventional design.

Fig. 2 is an enlarged view of circle a in fig. 1.

Fig. 3 is a schematic structural view of a second wire cutter in the present utility model.

Fig. 4 is a schematic structural view of a first wire cutter according to the present utility model.

Fig. 5 is a schematic diagram illustrating the operation of the thread cutting mechanism according to the present utility model when engaged with a thread.

Fig. 6 is an enlarged view of circle B in fig. 5.

Fig. 7 is a schematic diagram of the operation of the thread cutting mechanism of the present utility model when engaged with a thread.

Fig. 8 is an enlarged view of circle C in fig. 7.

Fig. 9 is an exploded view of the wire cutting mechanism of the present utility model.

Description of the reference numerals

1. Second thread trimmer

101. Second cutting edge

102. Thread cutting hook

103. Branching tip

104. Bottom line hooking part

105. Upper thread hooking part

106. Partition part

107. Bottom line Rong Xiancao

108. Face thread Rong Xiancao

109. Groove dividing strip

110. Bulge and bulge

111. Through hole

112. Lifting part

113. Thread hooking flange

114. Branching bevel edge

2. First thread trimmer

201. A first cutting edge

202. Elevation part

3. Branching sheet

4. Machine needle

5. Knife rest

6. Facial line

601. Needle edge

602. Edge line

7. Bottom line

701. Bottom line thread end

8. Needle plate

801. Needle plate hole

9. Interweaving points

10. Rotating shuttle

Detailed Description

Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.

It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the utility model to the extent that it can be practiced, since modifications, changes in the proportions, or adjustments of the sizes, which are otherwise, used in the practice of the utility model, are included in the spirit and scope of the utility model which is otherwise, without departing from the spirit or scope thereof. Also, the terms such as "upper", "lower", "left", "right", "middle", etc. are used herein for convenience of description, but are not to be construed as limiting the scope of the utility model, and the relative changes or modifications are not to be construed as essential to the scope of the utility model.

Referring to fig. 3 to 8, the present utility model provides a thread cutting mechanism capable of separating upper thread and lower thread, for setting at a rotating shuttle 10 of a sewing machine to cut thread, comprising a first thread cutting blade and a second thread cutting blade, wherein a first cutting edge 201 is provided on the first thread cutting blade 2, a second cutting edge 101 is provided on the second thread cutting blade 1, and a thread cutting hook 102 for hooking the lower thread 7 and the surface thread 6 to move toward the first thread cutting blade 2, the second thread cutting blade 1 can rotate relative to the first thread cutting blade 2 until the second cutting edge 101 is engaged with or separated from the first cutting edge 201, a lower thread hook 104 and a surface thread hook 105 are provided at the hook bottom of the thread cutting hook 102, a partition 106 is provided between the lower thread hook 104 and the surface thread hook 105, the lower thread hook 104 is connected with the left side edge of the thread cutting hook 102, and the upper thread hook 105 is connected with the right side edge of the thread cutting hook 102.

The basic working principle of the thread cutting mechanism related by the utility model is as follows: referring to fig. 5 and 6, when a thread is needed to be cut, the second thread cutter 1 rotates to a meshed cutting state relative to the first thread cutter 2, when the second thread cutter 1 rotates, the thread cutting hook 102 hooks the base thread 7 and the selvedge 602 in the loop of the upper thread 6, and drives the base thread 7 and the selvedge 602 to approach the first thread cutter 2, in the thread cutting process, under the action of thread cutting required quantity, thread feeding required quantity and thread picking quantity, the base thread 7 and the upper thread 6 are tensioned, the base thread 7 enters the base thread hook 104 from the left side edge of the thread cutting hook 102, the selvedge 602 in the upper thread 6 enters the upper thread hook 105 from the right side edge of the thread cutting hook 102, the separation part 106 separates the base thread hook 104 from the upper thread hook 105, and can effectively separate the base thread 7 and the selvedge 602 by a certain distance in the thread cutting hook 102, the point 9 of the base thread 7 and the selvedge 602 can be more close to the first thread cutter 7 and the upper thread 6 in the meshed cutting state, and the thread 6 cannot be adhered to the first thread cutting edge 101, and the thread cutting edge is not adhered to the first thread cutting edge 7 and the upper thread 6, and the thread cutting edge is not adhered to the thread cutting edge 6, and the thread cutting problem is solved.

In the present utility model, it should be noted that, during the thread trimming process, the upper thread 6 moves, referring to fig. 2 and 6, a section of the upper thread 6 moving between the thread dividing bevel 114 of the second thread trimmer 1 and the needle plate hole 801 is a needle thread 601, a section of the upper thread accommodating groove 108 moving along with the second thread trimmer 1 is a cloth thread 602, and a section of the upper thread hook 105 moving between the thread dividing bevel 114 is a connecting thread 603.

Referring to fig. 3 to 8, the present utility model is further described in the following embodiments:

in this embodiment, referring to fig. 3, the second thread cutter 1 is provided with a thread splitting tip 103 for inserting into the loop of the upper thread 6, the thread splitting tip 103 is located on the right side of the thread cutting hook 102 and shares a side with the thread cutting hook 102, that is, the right side of the thread cutting hook 102 is the left side of the thread splitting tip 103, the side is denoted as a thread hooking flange 113, the right side of the thread splitting tip 103 is provided with a thread splitting bevel 114 obliquely arranged to the right, at the beginning of thread cutting, the thread splitting tip 103 is inserted into the loop of the upper thread 6, the needle edge 601 is located at the thread splitting bevel 114, and moves to the right along the thread splitting bevel 114, and the thread 602 enters into the upper thread hooking portion 105 along the thread hooking flange 113, thereby separating the thread 602 from the needle edge 601. The left side edge of the thread cutting hook 102 is gradually inclined to the right side from the direction facing the first thread cutting blade 2 to the direction away from the first thread cutting blade 2 so that the base thread 7 enters into the thread cutting hook 102, and particularly in the present embodiment, referring to fig. 9, the rotating shuttle 10 is positioned at the left side of the sewing machine, the first thread cutting blade 2 is positioned at the rear side, the second thread cutting blade 1 is positioned at the front side when the thread is not cut, the left side edge of the thread cutting hook 102 is gradually inclined from the rear to the right side, and the second thread cutting blade 1 is rotated forward to the first thread cutting blade 2 for biting cutting.

As a preferred design, the bottom thread hooking portion 104 and the upper thread hooking portion 105 are circular arc-shaped gaps, the bottom thread hooking portion 104 is smoothly engaged with the left side edge of the thread cutting hook 102, the upper thread hooking portion 105 is smoothly engaged with the right side edge of the thread cutting hook 102, and the bottom thread 7 and the upper thread 6 conveniently enter the bottom thread hooking portion 104 and the upper thread hooking portion 105 respectively.

In this embodiment, referring to fig. 3, as a preferred design, the second thread trimmer 1 is further provided with an upper thread accommodating groove 108 and a lower thread accommodating groove 107, the upper thread accommodating groove 108 extends from the second cutting edge 101 to the upper thread hooking portion 105, the lower thread Rong Xiancao 107 extends from the second cutting edge 101 to the lower thread hooking portion 104, and a groove separating strip 109 is provided between the upper thread accommodating groove 108 and the lower thread accommodating groove 107. In the thread trimming process, referring to fig. 6, the upper thread accommodating groove 108 and the lower thread accommodating groove 107 respectively hook the upper thread 6 and the lower thread 7, in the process of rotating towards the first thread trimming cutter 2, the selvedge thread 602 of the upper thread 6 falls into the upper thread accommodating groove 108, the lower thread 7 falls into the lower thread accommodating groove 107, the positions of the lower thread 7 and the selvedge thread 602 are better stabilized, and the upper thread accommodating groove 108 and the lower thread accommodating groove 107 are better kept by the groove separating strip 109, so that the lower thread 7 and the selvedge thread 602 can be better kept at a certain distance. Wherein, upper thread appearance wire casing 108 and bottom line appearance wire casing 107 are arc bottom surface groove, and the groove bottom surface of upper thread appearance wire casing 108 and bottom line appearance wire casing 107 are the arc promptly, and when cutting line in-process cut line hook 102 hooked upper thread 6 and bottom line 7 remove, cloth edge line 602 and bottom line 7 can be better the bottom and enter into upper thread appearance wire casing 108 and bottom line appearance wire casing 107 respectively.

In this embodiment, referring to fig. 3 and 8, as a preferred design, the second thread cutting blade 1 is in a circular arc shape and coaxially disposed at the outer circumferential side of the rotating shuttle 10, keeping a certain distance, the second thread cutting blade 1 does not touch the rotating shuttle 10 when working, and the second cutting edge 101, the upper thread receiving groove 108 and the lower thread receiving groove 107 are all located on the outer arc surface of the second thread cutting blade 1. The first thread cutting blade 2 is fixed, also called a fixed blade, the first cutting edge 201 is located near the needle 4 and the needle plate hole 801 of the needle plate 8, the second thread cutting blade 1 rotates, also called a moving blade, and is fixed on the knife rest 5, and is driven by a corresponding driving mechanism to rotate around the rotating shuttle 10 to engage with or disengage from the second thread cutting blade 1, when the first thread cutting blade 2 is completely lifted up by the lifting portion 203, the first cutting edge 201 is above the maximum movement radius of the second thread cutting blade 1 when the first cutting edge 201 and the second cutting edge 101 execute engagement thread cutting action, and the first cutting edge 201 is tangential to the second cutting edge 1. The protruding bulge 110 is arranged on the outer arc surface of the second thread cutter 1, the through hole 111 is arranged on the bulge 110, the edge where the through hole 111 intersects with the surface of the bulge 110 forms the second cutting edge 101, when the thread is cut by meshing, the outer arc surface of the second thread cutter 1 is inserted into the lower side surface of the first thread cutter 2 (namely, the side surface facing the rotating shuttle 10), and the second cutting edge 101 on the bulge 110 is contacted and meshed with the first cutting edge 201, so that the selvedge thread 602 and the bottom thread 7 can be cut stably. Of course, in other embodiments, the first wire cutter 2 may be a moving cutter, and may be capable of rotating toward the second wire cutter 1, where both the first wire cutter 2 and the second wire cutter 1 are moving cutters. Alternatively, the first wire cutter 2 may be on the rear side and the second wire cutter 1 may be on the front side.

In this embodiment, referring to fig. 1, as a preferred design, the first thread cutter 2 is provided with a lifting portion 202, the second thread cutter 1 is provided with a lifting portion 112 inclined towards the side where the rotating shuttle 10 is located, when the second thread cutter 1 rotates towards the first thread cutter 2, the lifting portion 112 is inserted into the lower side surface of the lifting portion 202 towards the rotating shuttle 10, and the lifting portion 112 gradually lifts the lifting portion 202, the lifting portion 112 has a cam-like function, so that the first thread cutter 2 can conveniently insert into the lower side surface of the second thread cutter 1 to complete thread cutting.

In this embodiment, referring to fig. 3 and 8, the thread cutting mechanism further includes a thread separating sheet 3, where the thread separating sheet 3 is also in an arc structure and is disposed below the second thread cutting blade 1, that is, on the side surface of the second thread cutting blade 1 near the rotating shuttle 10, and when cutting threads, the second thread cutting blade 1 is inserted above the thread separating sheet 3, and the thread separating sheet 3 is used to separate the upper thread 6 from the thread ring better.

The utility model also provides a sewing machine, which comprises the rotating shuttle 10 and the thread cutting mechanism, wherein the thread cutting mechanism is arranged at the rotating shuttle 10 for cutting threads.

The thread cutting mechanism and the sewing machine have the following beneficial effects:

1. by arranging the bottom thread hooking part 104 and the surface thread hooking part 105 on the first thread cutting knife 2, the selvedge thread 602 and the bottom thread 7 of the surface thread 6 are separated by a distance at one end when the thread is cut, so that the interweaving point 9 of the selvedge thread 602 and the bottom thread 7 is closer to the needle 4 and is positioned outside the first cutting edge 201, the phenomenon of yarn adhesion between the bottom thread 7 and the surface thread 6 can not occur after the thread is cut, and the problem that the bottom thread end 701 is deviated by the thread end of the surface thread 6 when the cloth is taken can be avoided, thereby improving the problem that the seam is not sewn; in addition, the yarn adhesion probability is reduced, the bottom thread head 701 is prevented from being brought out of the needle plate hole 801 (commonly called bottom thread is produced, namely the bottom thread is produced out of the needle plate hole, which can lead to the increase of the finished thread of the garment, and workers need to process more thread head time and efficiency), so that the bottom thread production probability is reduced.

2. By arranging the bottom thread Rong Xiancao 107 and the upper thread containing groove 108 on the first thread trimmer 2, the positions of the bottom thread 7 and the selvedge thread 602 are better stabilized during thread trimming, and a certain distance is kept.

3. Simple structure can improve in current thread cutting mechanism and obtain, and is with low costs.

In summary, the present utility model effectively overcomes the disadvantages of the prior art and has high industrial utility value.

The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.

Claims (10)

1. The utility model provides a can separate line and bobbin thread's thread cutting mechanism for set up and cut the line in sewing machine's rotating shuttle (10) department, including first thread cutting sword (2) and second thread cutting sword (1), be equipped with first blade (201) on first thread cutting sword (2), be equipped with second blade (101) on second thread cutting sword (1) and be used for hooking bobbin thread (7) and face line (6) towards first thread cutting sword (2) moving thread cutting hook (102), second thread cutting sword (1) can rotate to second blade (101) and first blade (201) interlock or separate, its characterized in that relative first thread cutting sword (2): the bottom of the thread cutting hook (102) is provided with a bottom thread hooking part (104) and a surface thread hooking part (105), a separation part (106) is arranged between the bottom thread hooking part (104) and the surface thread hooking part (105), the bottom thread hooking part (104) is connected with the left side edge of the thread cutting hook (102), and the surface thread hooking part (105) is connected with the right side edge of the thread cutting hook (102).

2. The thread cutting mechanism according to claim 1, wherein: be equipped with on the first thread trimmer (2) and be used for inserting separated time point portion (103) in the wire loop of upper thread (6), separated time point portion (103) are located cut line hook (102) right side and with cut line hook (102) shared side, the right side of separated time point portion (103) is equipped with separated time hypotenuse (114) that the slope set up right.

3. The thread cutting mechanism according to claim 1, wherein: the bottom line hooking part (104) and the surface line hooking part (105) are arc-shaped gaps.

4. The thread cutting mechanism according to claim 1, wherein: the second thread cutting knife (1) is further provided with an upper thread Rong Xiancao (108) and a bottom thread containing groove (107), the upper thread Rong Xiancao (108) extends from the second cutting edge (101) to the upper thread hooking portion (105), the bottom thread Rong Xiancao (107) extends from the second cutting edge (101) to the bottom thread hooking portion (104), and a groove separating strip (109) is arranged between the upper thread Rong Xiancao (108) and the bottom thread containing groove (107).

5. The thread cutting mechanism as recited in claim 4, wherein: the bottom surfaces of the upper thread Rong Xiancao (108) and the bottom surface of the bottom thread containing groove (107) are arc-shaped.

6. The thread cutting mechanism as recited in claim 4, wherein: the second thread cutting knife (1) is arc-shaped and is coaxially arranged at the outer circumferential side of the rotating shuttle (10), and the second cutting edge (101), the upper thread Rong Xiancao (108) and the bottom thread containing groove (107) are all positioned on the outer cambered surface of the second thread cutting knife (1).

7. The thread cutting mechanism according to claim 1 or 6, wherein: the first thread trimmer (2) is fixed, and the second thread trimmer (1) can rotate around the rotating shuttle (10) to be engaged with or separated from the first thread trimmer (2).

8. The thread cutting mechanism as recited in claim 6, wherein: the second thread trimmer is characterized in that a protruding bulge (110) is arranged on the outer cambered surface of the second thread trimmer (1), a through hole (111) is formed in the bulge (110), and the edge, intersecting with the surface of the bulge (110), of the through hole (111) forms a second cutting edge (101).

9. The thread cutting mechanism as recited in claim 6, wherein: the first thread trimmer (2) is provided with a lifting part (202), the second thread trimmer (1) is provided with a lifting part (112) inclined towards the side where the rotating shuttle (10) is located, and the lifting part (112) is inserted into the lower side surface of the lifting part (202) towards the rotating shuttle (10) when the second thread trimmer (1) rotates towards the first thread trimmer (2).

10. A sewing machine comprising a rotating shuttle (10), characterized in that: further comprising a thread cutting mechanism according to any one of claims 1 to 9, which is arranged at the rotating shuttle (10) for cutting thread.