CN108342843A - The coil of wire enters mechanism and has the sewing machine that the coil of wire enters mechanism - Google Patents

Abstract

The present invention provides a thread winding mechanism capable of omitting cumbersome sorting work as much as possible and shortening sewing operation time, and a sewing machine provided with the thread winding mechanism. The sewing machine uses a plurality of sewing needles that move up and down in conjunction with the main shaft of the sewing machine, a looper that swings below the needle plate in conjunction with the main shaft of the sewing machine, and a looper that swings below the needle plate in conjunction with the main shaft of the sewing machine, and moves along the direction of the plurality of sewing needles above the needle plate in conjunction with the main shaft of the sewing machine. The cooperative action of the thread puller that swings in the arrangement direction makes the decorative thread held by the thread puller intersect with the needle thread passing through the sewing needle to form a decorative stitch on the sewing object. The sewing machine is equipped with a thread winding mechanism, This thread winding mechanism has a decorative thread suction part that draws the end of the decorative thread toward the object to be sewn with respect to the needle entry position where the needle is dropped on the object to be sewn. The sewing machine sews in such a way that the end of the decorative thread is entangled in the decorative stitch.

Description

Thread winding mechanism and sewing machine equipped with the thread winding mechanism

technical field

The present invention relates to a thread winding mechanism and a sewing machine equipped with the thread winding mechanism.

Background technique

Currently, a decorative sewing sewing machine that performs decorative sewing using a decorative thread is used. This decorative sewing machine moves up and down the three sewing needles which are respectively passed through by the needle thread, and utilizes the coordinated action of these sewing needles, the looper under the needle board, and the thread puller above the needle board to form a decoration on the sewn object. Stitches (for example, refer to Patent Document 1).

Patent Document 1: Japanese Unexamined Patent Publication No. 2010-263976

In addition, as shown in FIG. 11 , in the stitch N sewn on the object to be sewn by a decorative sewing machine, a decorative thread 16 remains in a state where a part of the decorative thread 16 extends from the sewing start end of the stitch N. 16. Therefore, after the sewing is finished, it is necessary to carry out a cumbersome finishing operation, that is, to cut and arrange the decorative thread 16 extending from the sewing start end with scissors, and therefore, the sewing operation takes time.

Contents of the invention

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a thread winding mechanism capable of omitting cumbersome finishing work as much as possible and shortening sewing operation time, and a sewing machine provided with the thread winding mechanism.

In order to achieve the above object, the sewing machine of the present invention,

A plurality of sewing needles that move up and down in conjunction with the main shaft of the sewing machine, a looper that swings below the needle plate in conjunction with the main shaft of the sewing machine, and a ringer that swings below the needle plate in conjunction with the main shaft of the sewing machine along the arrangement direction of the plurality of sewing needles above the needle plate The coordinated action of the swinging thread puller makes the decorative thread held by the thread puller intersect with the needle thread passing through the sewing needle to form a decorative stitch on the sewn object,

The sewing machine is characterized in that,

A thread winding mechanism is provided which has a decorative thread suction part for pulling the decorative thread from the needle drop position of the sewing needle to the sewing object. The end is sucked to the rear side of the feeding direction of the sewing object,

This sewing machine sews so that the end of the decorative thread is caught in the decorative stitches.

According to the sewing machine of this configuration, the end of the decorative thread can be sucked by the decorative thread suction section, and the end of the decorative thread can be caught in the stitches. Thereby, it is possible to omit the operation of cutting the decorative thread extending from the sewing start end of the stitch with scissors, thereby shortening the sewing operation time.

In the sewing machine of the present invention, it may also be,

The thread winding mechanism may include a decorative thread blowing unit that guides the end of the decorative thread to the side of the decorative thread suction unit by blown air.

According to the sewing machine of this structure, the end of the decorative thread can be reliably guided to the side of the decorative thread suction part by the air blown from the decorative thread blowing part, and the end part of the decorative thread can be reliably sucked by the decorative thread suction part.

In the sewing machine of the present invention, it may also be,

The thread winding-in mechanism may include a needle thread suction unit that draws the end of the needle thread toward the to-be-sewn object relative to the needle drop position where the needle is dropped to the to-be-sewn object. The rear side of the feed direction of the sewing product is sucked,

This sewing machine sews so that the end of the needle thread is caught in the decorative stitching.

According to the sewing machine of this structure, the end of the needle thread can be sucked to the rear side of the feeding direction of the sewing object by the needle thread suction part, and the end of the decorative thread and the end of the needle thread are all involved in the stitches, and it is also possible to omit The needle thread extending from the sewing start end of the stitch is trimmed by cutting with scissors, which shortens the sewing operation time.

In the sewing machine according to the present invention, the thread winding mechanism may include a thread blowing unit for guiding the end of the needle thread toward the thread suction unit side by blown air.

According to the sewing machine of this configuration, the end of the needle thread can be guided to the needle thread suction side by the air blown from the needle thread blowing unit, and the needle thread end can be reliably sucked by the needle thread suction unit.

In the sewing machine of the present invention, it may also be,

The thread winding-in mechanism has a needle thread clamp positioned on the rear side of the sewing object in a feeding direction with respect to a needle entry position of the sewing needle to the sewing object. The end of the needle thread is held.

According to the sewing machine of this structure, the end of the needle thread sucked by the needle thread suction part can be pressed and held by the needle thread clamp against the sewing object, and the end of the needle thread can be reliably arranged on the rear side in the feeding direction of the sewing object. .

The effect of the invention

According to the thread winding mechanism and the sewing machine provided with the thread winding mechanism of the present invention, it is possible to omit troublesome sorting work as much as possible and shorten the sewing work time.

Description of drawings

Fig. 1 is a perspective view of a sewing machine including a thread winding mechanism according to the present embodiment.

Fig. 2 is a sectional view of a cutting mechanism provided in the sewing machine.

FIG. 3 is a schematic diagram showing the arrangement of components of the thread winding mechanism according to the present embodiment.

Fig. 4 is a perspective view of the thread winding mechanism according to the present embodiment.

Fig. 5 is a perspective view of the thread take-up mechanism according to this embodiment seen from another direction.

Fig. 6 is a perspective view illustrating a decorative thread blowing pipe and a decorative thread suction pipe of the thread winding mechanism according to the present embodiment, viewed from the front side of the cloth presser foot.

Fig. 7 is a perspective view illustrating a decorative thread blowing pipe and a decorative thread suction pipe of the thread winding mechanism according to the present embodiment, viewed from the rear side of the cloth presser foot.

Fig. 8 is a perspective view illustrating the needle thread blowing pipe and the needle thread suction pipe of the thread winding mechanism according to the present embodiment, viewed from the back side of the cloth presser foot.

Fig. 9 is a perspective view illustrating the operation of the needle thread clamp of the thread winding mechanism.

Fig. 10 is a plan view of stitches formed on a to-be-sewn object by the sewing machine provided with the thread taking-in mechanism according to the present embodiment.

Fig. 11 is a plan view of stitches formed on a sewn object.

Explanation of labels

1 sewing machine

7 stitches

10 looper

13 needles and thread

15 ring line

16 trim lines

50 wire winding mechanism

61 Decorative thread blowing pipe (decorative thread blowing part)

62 Decorative thread suction pipe (decorative thread suction part)

71 Needlework blower (needlework blower)

72 Needle thread suction tube (needle thread suction part)

73 needle thread clamp

A Feed direction

N stitch

Detailed ways

Embodiments of the thread winding mechanism and the sewing machine provided with the thread winding mechanism according to the present invention will be described below with reference to the drawings.

Fig. 1 is a perspective view of a sewing machine including a thread winding mechanism according to the present embodiment.

As shown in FIG. 1 , a sewing machine 1 including a thread take-up mechanism according to the present invention includes a sewing machine frame 2 having a substantially U-shaped outer shape when viewed from the side. This sewing machine 1 is a decorative sewing sewing machine for performing decorative sewing or the like on clothing as a sewing object.

The arm portion 2A of the sewing machine frame 2 of the sewing machine 1 is provided with a needle bar 5 extending in the vertical direction and capable of moving up and down by rotational driving of a sewing machine main shaft (not shown). At the lower end of the needle bar 5, a plurality of (three in this embodiment) sewing needles 7 are arranged side by side in a manner perpendicular to the conveying direction of the sewn product, and each sewing needle 7 goes up and down together with the needle bar 5. move.

Below the needle plate 9 in the base portion 2B of the sewing machine frame 2, the looper 10 is provided to move forward and backward synchronously with the up and down movement of each needle bar 5, and the looper 10 is connected to the lower shaft that rotates in conjunction with the main shaft of the sewing machine. The shaft (not shown) moves forward and backward by rotational driving of the lower shaft. Then, the looper 10 cooperates with each sewing needle 7 to insert a looper thread as a lower thread into a thread loop formed by the needle thread 13 inserted into each sewing needle 7, whereby the sewing machine 1 performs sewing.

Above the needle plate 9 and near the needle drop position of each sewing needle 7, a thread puller 18 is arranged. The thread puller 18 folds back the decorative thread 16 and erects it. The vicinity of the needle drop position of 7 swings substantially along the arrangement direction of each sewing needle 7 in synchronization with the up and down movement of each sewing needle 7 . Moreover, the decorative sewing sewing machine 1 swings the thread puller 18 in one direction during the downward movement of each sewing needle 7, so that each sewing needle 7 performs needle drop in the inner area where the decorative thread 16 is folded back and erected, After the needle 7 is dropped, the thread puller 18 is swung in the other direction, and the decorative thread 16 is erected by intersecting each needle line 13 along the arrangement direction of each sewing needle 7, so that the upper surface of the object to be sewn passes through each The sewing needle 7 is used to sew the decorative thread 16 in a serpentine manner.

Furthermore, in this decorative sewing sewing machine 1, each needle thread 13 is inserted from a thread supply source not shown through the needle thread adjuster 20, the thread lubricating unit 21, the first thread guide 22, and the second thread guide 23. To each sewing needle 7, the needle thread regulator 20 is provided on the longitudinal body part 2C connecting the arm part 2A and the base part 2B in the sewing machine frame 2, and applies predetermined tension to each needle thread 13 individually, and the thread lubricating unit 21 is provided Lubricating oil is supplied to each needle thread 13 in the arm portion 2A of the sewing machine frame 2 , and each needle thread 13 is guided individually by the first thread guide portion 22 and the second thread guide portion 23 . In addition, the looper wire 15 is guided to the looper 10 from a wire supply source not shown in the figure through the looper wire regulator 25, wherein the looper wire regulator 25 is provided on the longitudinal body part 2C for The looping wire 15 applies a prescribed tension. Furthermore, the decorative thread 16 is guided to the front end of the wire puller 18 from a supply source not shown through the first decorative thread adjuster 26 , the third decorative thread guide portion 27 , and the second decorative thread adjuster 28 . The first decorative thread adjuster 26 is installed on the vertical body part 2C, and applies a predetermined tension to the decorative thread 16. The third thread guide part 27 is installed on the arm part 2A, and guides the decorative thread 16. The second decorative thread adjuster 28 A predetermined tension is applied to the decorative thread 16 .

In addition, a thread cutting device 30 is provided at the end of the arm portion 2A of the sewing machine frame 2, and the thread cutting device 30 cuts the decorative thread 16 above the needle plate 9 after sewing.

Fig. 2 is a sectional view of a cutting mechanism provided in the sewing machine.

As shown in FIG. 2 , the thread cutting device 30 has a plate-shaped movable cutter 31 having a hook-shaped thread catching portion 31 a for catching the decorative thread 16 formed at the front end of the movable cutter 31 . It moves forward toward the decorative line 16, and moves backward after the decorative line 16 is caught by the thread catching portion 31a.

The thread cutting device 30 has an air cylinder 32 that applies a driving force for moving forward and backward to the movable cutter 31 , and the air cylinder 32 includes a cylinder main body 32 a and a plunger 32 b that moves forward and backward. The movable cutter 31 is connected to the front-end|tip part of the plunger 32b. Furthermore, the air cylinder 32 is a two-stroke air cylinder, and can move the plunger 32b forwardly to two different positions. As a result, the movable cutter 31 connected to the plunger 32b moves forward and backward to a release position after being moved forward by about 5 mm, a catching position for catching the decorative line, and a retreat position where it retreats the most.

On one plane side of the movable cutter 31 and at a position in sliding contact with the movable cutter 31, a fixed cutter 33 is provided, and the two cutters 31, 33, the decorative thread 16 caught by the thread catching part 31a is cut off. On the other plane side of the movable cutter 31, the wire holding member 35 is provided so as to be in pressure contact with the movable cutter 31, whereby the movable cutter 31 at the retracted position is within a range where the smooth forward and backward movement is not hindered. , it becomes a state sandwiched by the fixed cutter 33 and the thread holding member 35 . Moreover, the thread holding member 35 pulls the cut end of the decorative thread 16 cut off by the two cutters 31, 33 into between the movable cutter 31 and the thread holding member 35 for clamping, thereby passing through the movable cutter and the movable cutter. 31 to maintain the decorative line 16. The two cutters 31 , 33 and the thread holding member 35 are held by the holder 36 in a state where the movable cutter 31 is sandwiched between the fixed cutter 33 and the thread holding member 35 .

And according to this thread cutting device 30, the driving of the air cylinder 32 moves the movable cutter 31 toward the decorative thread 16 mounted on the thread puller 18 of the sewing machine to move forward to the catching position, and after the decorative thread 16 is caught by the thread catching part 31a, The movable cutter 31 is moved backward to pull the decorative thread 16 to the side of the fixed cutter 33 . Then, the thread cutting device 30 cuts the decorative thread 16 caught by the thread catching part 31a by using the movable cutter 31 and the fixed cutter 33 which is brought into sliding contact with the movable cutter 31 by the backward movement of the movable cutter 31. , the cut end of the decorative thread 16 cut by the two cutters 31, 33 is drawn between the movable cutter 31 and the thread holding member 35 by the retreat movement of the movable cutter 31 to be clamped, The decorative thread 16 is thereby held.

In addition, the sewing machine 1 has a retraction mechanism (not shown in the figure) that allows the thread cutting device 30 to be positioned at a catching position where the decorative thread 16 can be caught by the movable cutter 31, and a retracted position where the decorative thread 16 cannot be caught. The thread cutting device 30 is connected to the retraction mechanism to move between them and hold them.

Next, the wire winding mechanism 50 will be described.

FIG. 3 is a schematic diagram showing the arrangement of components of the thread winding mechanism according to the present embodiment. Fig. 4 is a perspective view of the thread winding mechanism according to the present embodiment. Fig. 5 is a perspective view of the thread take-up mechanism according to this embodiment seen from another direction. Fig. 6 is a perspective view illustrating a decorative thread blowing pipe and a decorative thread suction pipe of the thread winding mechanism according to the present embodiment, viewed from the front side of the cloth presser foot. Fig. 7 is a perspective view illustrating a decorative thread blowing pipe and a decorative thread suction pipe of the thread winding mechanism according to the present embodiment, viewed from the rear side of the cloth presser foot. Fig. 8 is a perspective view illustrating the needle thread blowing pipe and the needle thread suction pipe of the thread winding mechanism according to the present embodiment, viewed from the back side of the cloth presser foot. Fig. 9 is a perspective view illustrating the operation of the needle thread clamp of the thread winding mechanism.

As shown in FIGS. 3 to 5 , the thread winding mechanism 50 is provided on the cloth presser foot 51 . The cloth presser foot 51 is supported by the arm portion 2A of the sewing machine frame 2 . The cloth presser foot 51 is equipped with the lift rod 52 which extends downward with respect to the arm part 2A, and the presser plate 53 which is fixed to the lower end of this lift rod 52. As shown in FIG. The lift rod 52 is arranged on the front side in the feeding direction A of the object to be sewn with respect to the needle bar 5 to which the sewing needle 7 is fixed. The front end 53a side of the presser foot plate 53 is fixed to the lower end of the lifting rod 52, and the rear end 53b side extends to the rear side in the feeding direction A of the to-be-sewn object. The cloth presser foot 51 is raised and lowered by the lifting rod 52 , so that the presser foot plate 53 is brought into contact with/separated from the needle plate 9 . Then, the to-be-sewn object which consists of clothing materials arrange|positioned on the needle plate 9 is pressed to the needle plate 9 by the presser foot plate 53 by the lowering of the lifting rod 52, and is held.

The rear end 53b of the presser foot plate 53 is bent sideways upward, and is gradually separated from the needle plate 9 . As a result, the workpiece is smoothly fed between the needle plate 9 and the presser plate 53 from the upwardly bent rear end side of the presser plate 53 .

As shown in FIGS. 6 and 7 , the thread winding mechanism 50 has a decorative thread blowing pipe (decorative thread blowing unit) 61 and a decorative thread suction pipe (decorative thread suction unit) 62 . The decorative thread blowing pipe 61 is fixed to the front end 53 a side of the presser plate 53 . The decorative thread blowing pipe 61 has an outlet 61a. The air outlet 61a is arranged at the upper portion of the front end 53a side of the presser foot plate 53, and faces the rear side in the feeding direction A of the to-be-sewn object. The decorative thread suction pipe 62 is fixed to the rear end 53b side of the presser plate 53 . The trim thread suction pipe 62 has a suction port 62a. The suction port 62a is disposed on the upper portion of the presser foot plate 53 on the rear end 53b side, and faces forward in the feeding direction A of the to-be-sewn object.

The decorative thread blowing pipe 61 is connected to a compressing device (not shown), and air is blown from an outlet 61 a of the decorative thread blowing pipe 61 toward the decorative thread suction pipe 62 . In addition, the decorative thread suction pipe 62 is connected to a suction device (not shown), and air is sucked from the suction port 62 a of the decorative thread suction pipe 62 .

As shown in FIG. 8 , the thread winding mechanism 50 has a needle thread blowing pipe (needle thread blowing unit) 71 and a needle thread suction pipe (needle thread suction unit) 72 . The needle thread blowing pipe 71 is fixed to the front end 53 a side of the presser plate 53 . The needle thread blowing pipe 71 is arranged along a horizontal direction perpendicular to the feeding direction A of the object to be sewn. The needle thread blowing pipe 71 has three air outlets 71a, and is arranged at intervals in the direction perpendicular to the feeding direction A of the to-be-sewn object. These air outlets 71a are arranged at the lower portion of the front end 53a side of the presser foot plate 53, and are directed to the rear side in the feeding direction A of the to-be-sewn object. The needle thread suction tube 72 is fixed to the rear end 53 b side of the presser foot plate 53 . The presser plate 53 has a suction port 53c opened on the lower surface side at its rear end 53b, and the needle thread suction pipe 72 communicates with the suction port 53c.

The needle thread blowing pipe 71 is connected to a compressor (not shown), and air is blown out from each outlet 71 a of the needle thread blowing pipe 71 . In addition, the needle thread suction pipe 72 is connected to a suction device (not shown), and air is sucked from the suction port 53c of the presser plate 53 communicating with the needle thread suction pipe 72 .

As shown in FIGS. 4 and 5 , the thread winding mechanism 50 has a needle thread clamp 73 . The sewing jig 73 has an air cylinder 82 that advances and retreats a rod 81 . The rod 81 extends downward from the cylinder 82 , and a needle thread holding member 83 is fixed to an end of the rod 81 . The air cylinder 82 is supported by a bracket 84 connected to the lifting rod 52 of the material presser foot 51 , and is disposed on the rear side in the feeding direction A of the sewing object with respect to the material presser foot 51 . The needle thread clamp 73 advances and retreats the rod 81 by the air cylinder 82 , thereby raising and lowering the needle thread holding member 83 at the end of the rod 81 . Then, as shown in FIG. 9 , the needle thread holding member 83 descends, thereby abutting against the object to be sewn arranged on the upper surface of the needle plate 9 .

Sewing performed by the sewing machine 1 provided with the above-described thread winding mechanism 50 will be described.

First, the compression device and the suction device are operated. Then, air is ejected from the outlet 61a of the decorative thread blowing pipe 61 and the outlet 71a of the needle thread blowing pipe 71, and air is sucked from the suction port 62a of the decorative thread suction pipe 62 and the suction port 53a communicating with the needle thread suction pipe 72. .

At this time, the decorative thread 16 remains held by the thread cutting device 30 . In addition, the ends of the plurality of needle threads 13 are adjusted relative to the needle drop position of the sewing needle 7 by the ejection force of the air ejected from the outlet 71a of the needle thread blowing pipe 71 and the suction force of the suction port 53a communicating with the needle thread suction pipe 72 . That is, the sewing position is guided to the rear side of the feed direction A on the lower surface side of the presser foot plate 53, and the portion of the presser foot plate 53 of each needle thread 13 that extends to the rear side of the feed direction A passes through the needle thread clamp 73. It descends and is held between the needle thread holding member 83 and the object to be sewn. Accordingly, the ends of the needle threads 13 are arranged side by side in the rear side in the feeding direction A on the lower surface side of the presser foot plate 53, and are held in a state where an appropriate tension is applied thereto.

In this state, the presser plate 53 is lowered to hold the to-be-sewn object between the needle plate 9 and the presser plate 53, and sewing is started.

After 2-3 stitches of sewing, the driving of the air cylinder 32 moves the movable cutter 31 to the release position about 5 mm forward, and the holding of the decorative thread 16 by the thread cutting device 30 is released. Then, the end of the decorative thread 16 is guided toward the rear side in the feed direction A on the upper surface side of the presser plate 53 by the air blown out from the outlet 61 a of the decorative thread blowing pipe 61 . The end of the decorative thread 16 is sucked by the suction opening 62a of the decorative thread suction pipe 62 on the rear side in the feeding direction A of the sewn object with respect to the needle drop position of the sewing needle 7, that is, the sewing position. Accordingly, the decorative thread 16 is held in a state extending rearward in the feeding direction A on the upper surface side of the presser foot plate 53 .

Then, by continuing to sew, as shown in FIG. 10 , the end of the decorative thread 16 and the end of the needle thread 13 are entangled in the stitch N in a state arranged to extend to the rear side in the feeding direction A, and become The state of being sewn is held by the decorative thread 16 sewn to the sewn object.

In the sewn object sewn in the above manner, the decorative thread 16 and the needle thread 13 do not extend from the seam N and remain at the sewing start end.

As described above, according to the thread take-up mechanism 50 and the sewing machine 1 provided with the thread take-up mechanism according to the above-mentioned embodiment, the decorative thread suction pipe 62 of the thread take-up mechanism 50 sucks the end portion of the decorative thread 16 while sucking it. By sewing, the end portion of the decorative thread 16 can be entangled in the stitch N. As shown in FIG. Thereby, it is possible to omit the tedious tidying work of cutting and tidying the decorative thread 16 extending from the sewing start end of the stitch N with scissors, thereby shortening the sewing work time.

Moreover, since the decorative thread blowing pipe 61 is provided to guide the decorative thread 16 to the decorative thread suction pipe 62 side by the blown air, the decorative thread 16 can be drawn to the decorative thread suction pipe 62 by the air blown from the decorative thread blowing pipe 61 . 62 side is reliably guided, and the decorative thread 16 is reliably sucked by the decorative thread suction tube 62 .

In addition, the needle thread 13 can be guided toward the needle thread suction opening 53 c side by the air blown from the needle thread blowing pipe 71 , and the needle thread 13 can be reliably sucked by the needle thread suction pipe 72 . In addition, the needle thread 13 can be held by being pressed against the object to be sewn by the needle thread clamp 73 in a state where the ends of the needle thread 13 are aligned rearward in the feeding direction A. By sewing in this state, the needle thread 13 can be entangled in the stitch N together with the decorative thread 16, and the trouble of cutting and sorting the needle thread 13 extending from the sewing start end of the stitch N with scissors can be omitted. The finishing operation shortens the sewing operation time.

Claims (6)

1. a kind of sewing machine, the multiple suture needles moved up and down by linking with machine spindle link with machine spindle And in the looper of the lower section of needle plate swing and machine spindle linkage and in the top of needle plate along the arrangement of the multiple suture needle The co-operating for the wire grip that direction is swung makes the decorative thread for being held in the wire grip intersect with the needlework across the suture needle Fork forms fagot in sewn object,

The sewing machine is characterized in that,

Have the coil of wire and enter mechanism, which, which enters mechanism, has decorative thread suction unit, and the decorative thread suction unit is with respect to described Suture needle to the sewn object fall the needle downing position of needle, by the end of the decorative thread to the direction of feed of sewn object Rear side attracts,

The sewing machine is sewed in a manner of so that the end of the decorative thread is involved among the fagot.

2. sewing machine according to claim 1, which is characterized in that

The coil of wire enters mechanism and has decorative thread blowing portion, and the decorative thread blowing portion is by the air of ejection by the decorative thread End to decorative thread suction unit side guide.

3. sewing machine according to claim 1 or 2, which is characterized in that

The coil of wire, which enters mechanism, has needlework suction unit, and the needlework suction unit is with respect to the suture needle to the sewn object The needle downing position for fall needle attracts the end of the needlework to the rear side of the direction of feed of the sewn object,

The sewing machine is sewed in a manner of so that the end of the needlework is involved among the fagot.

4. sewing machine according to claim 3, which is characterized in that

The coil of wire, which enters mechanism, has needlework blowing portion, and the needlework blowing portion is by the air of ejection by the end of the needlework It is guided to needlework suction unit side.

5. sewing machine according to claim 3, which is characterized in that

The coil of wire enters mechanism, and there is needlework fixture, the needlework fixture to be carried out to the sewn object with respect to the suture needle The needle downing position for falling needle keeps the end of the needlework in the rear side of the direction of feed of the sewn object.

6. sewing machine according to claim 4, which is characterized in that

The coil of wire enters mechanism, and there is needlework fixture, the needlework fixture to be carried out to the sewn object with respect to the suture needle The needle downing position for falling needle keeps the end of the needlework in the rear side of the direction of feed of the sewn object.