JPH0719428Y2 - Rubber tape sewing machine - Google Patents

Description

[Detailed description of the device]

[0001]

[Industrial application] This invention is applied, for example, to the hem finish of the hem mouth of briefs, shorts, etc. The present invention relates to a rubber tape sewing device configured to insert an elastic rubber tape into and to sew it together.

[0002]

2. Description of the Related Art Conventionally, a rubber tape is automatically inserted into a trumpet tape material while sewing a trumpet tape material to a hem opening of a brief, etc. A device for sewing a rubber tape adapted to simultaneously sew only the necessary parts is disclosed in, for example, Japanese Utility Model Publication No. 47-16281, Japanese Utility Model Publication No. 62-15033, and Japanese Utility Model Publication No. 54-6604. There is.

By the way, in this type of sewing, means for inserting the rubber tape not only over the entire length of the trumpet tape cloth but only at the intermediate portion of the trumpet tape cloth over a predetermined length range. Is taken. This is because, when inserted over the entire length, when the front body and the back body are sewn together after sewing, the rubber tapes at the sewn portions are overlapped with each other, resulting in bulkiness and poor wearing comfort and appearance. In this way, when inserting the rubber tape by applying the predetermined tension only to the intermediate portion over the predetermined length range in the trumpet tape cloth, the rubber tape of the predetermined length is inserted in the trumpet tape cloth. It is necessary to cut the rubber tape when it is inserted, and a device provided with a cutter for cutting the rubber tape is disclosed in Japanese Utility Model Publication No. 47-16281.

[0004]

SUMMARY OF THE INVENTION In the above-mentioned prior art, that is, the one disclosed in Japanese Utility Model Publication No. 47-16281, when a rubber tape of a predetermined length is inserted into the trumpet tape material, The rubber tape was simply cut. Therefore, after cutting, the rubber-like tape on both sides of the cutting point released from the tension state rapidly contracts due to the elastic restoring force, and both cutting ends are pulled into the sewn portion side and the rubber-tape supply source side at a stretch. Will end up. Therefore, especially on the sewn portion side, the cut rubber-like tape loses tension and becomes short, which makes it impossible to secure the length of the predetermined insertion range of the trumpet-shaped tape material, and also the inserted rubber-like tape. However, there is a problem in that a defective product is generated by being sewn without a predetermined tension.

The present invention has been made in view of the above circumstances, and it is possible to reliably insert a rubber tape over a predetermined length range in a trumpet tape material while maintaining a predetermined tension state.
The rubber tape is not
Sufficient elasticity by sewing only the section of
It is an object of the present invention to provide a sewing device for a rubber tape that can be sewn so as to be exhibited .

[0006]

In order to achieve the above object, a rubber tape sewing device according to the invention of claim 1 of the present application is a trumpet which is fed to a sewing portion while deforming the tape material into a trumpet shape. The tape tape feeding guide and the rubber tape fed toward the sewn portion so that the rubber tape is inserted into the trumpet tape cloth fed from the guide immediately before the sewn portion. A rubber-like tape guide tube that extends and guides to the immediately preceding location, and a tension applying device that applies a predetermined tension to the rubber-like tape that continuously moves in the rubber-like tape guide tube,
A cutter that cuts the rubber tape in a plane orthogonal to the feeding direction when the rubber tape is fed by a predetermined amount, and at least the sewing portion side of the rubber tape cut by the cutter The tape is provided with a rubber tape holding device that gives a feeding resistance until the end of the tape is fed to the sewing portion , and the rubber tape guide is further provided .
The upper guide tube and the cutout where the cylinder is located above the cutter
The lower end of the
Is divided into a lower guide tube that is bent to open
And lower the guide tube from its lower end.
The state that the rubber tape is guided on the predetermined sewing line
It will switch to a state where it is guided to a position outside the sewing line.
It is provided with a lower guide tube drive device for rocking .

As the rubber tape pressing device, it is preferable that the device can be switched between a pressing state and a non-pressing state and the pressing force can be adjusted.

Further, as a rubber tape pressing device, a spring plate presser inserted and arranged in a rubber tape guide tube and a rubber tape elastically attached to the inner surface of the guide tube via the spring plate presser. It is preferably composed of a push rod for pressing.

According to a fourth aspect of the present invention, in the rubber tape sewing device, the tape tension applying device is constructed so that the tape tension applying device is rotatable and openable with respect to the base, and is slid on the base. It is composed of a movable pressing plate which is freely supported and elastically moved and biased to the tape pressing plate side via a spring, and a cylinder for releasing the tape holding force by the both plates.

Further, in the rubber tape sewing device according to the invention of claim 5, the rubber tape guide tube, the cutter and the rubber tape pressing device are integrated as a rubber tape supply unit through the frame. The rubber tape supply unit is configured to be swingably switchable between a sewing operation position near the front surface of the sewing machine head and a side standby position.

[0011]

According to the structure of the first aspect, the rubber tape is provided in the trumpet tape material which is fed to the sewing portion while being deformed into the trumpet shape through the trumpet tape material feeding guide.
Feeds out inside the rubber tape guide tube with a predetermined tension applied.
To be done. And, for a certain period of time immediately after sewing the lower guide tube
And for a certain period before sewing is finished,
At the position where the rubber tape is guided on the specified sewing line.
Move the rubber tape to both ends to
Sew on the ground, and in the middle of the above two periods, the lower guide tube
The rubber tape that extends from the lower end of the
Switch and move to a position where it is guided to a position off the wire
The rubber tape to the trumpet tape middle part.
Can be free, that is, unsewn
It When the rubber tape has been fed out by a specified amount, the rubber tape retainer works to press the rubber tape on the sewing part side from the planned cutting point, and in this state, the cutter will move the rubber tape to the planned position. After being cut, the rubber tape on the side of the sewn portion with respect to the cutting point is inserted into a predetermined portion in the trumpet tape material while maintaining the tension between the sewn portion and the pressing device.

That is, from the time when the rubber tape is cut by the cutter in the state where the tension is released as described above, until the end of the cutting tape is fed to the sewing portion, it is cut through the rubber tape holding device. Since the tape is given a feeding resistance, the rubber tape is not suddenly drawn into the sewing portion side, and this cut rubber tape is inserted over a predetermined length range in the trumpet tape cloth,
Also , as mentioned above, both ends are sewn to the trumpet tape material.
The cut rubber tape under the specified tension applied.
It is possible to sewn in Pas-like tape in the dough.

In particular, by keeping the rubber tape holding device inactive until cutting is performed,
No need to disturb the delivery of the rubber tape.
In addition, by adjusting the pressing force according to the thickness, surface condition, resilience, etc. of the rubber tape, the desired function can be achieved regardless of the nature and material of the rubber tape. it can.

Further, according to the structure of claim 4, by rotating and releasing the tape pressing plate with respect to the base, the setting work of the rubber tape becomes easy.

Further, according to the fifth aspect of the invention, by swinging the tape supply unit to the standby position on the side of the sewing machine head, the setting operation of the rubber tape on the tape supply unit and the respective configurations are performed. Maintenance such as maintenance and inspection of parts can be facilitated.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is an overall perspective view of a rubber tape sewing apparatus according to the present invention. In the figure, 1 is a sewing machine, and a sewing machine arm 2 has a needle 3, a presser foot 4, and a material end for detecting the front end of a sewing machine arm 2. The sewing machine bed 6 is provided with a sensor 5 and the like, and a feed dog, a looper (not shown) and the like are arranged in the lower portion to form a sewing portion. Reference numeral 7 denotes a rubber tape supply unit. The supply unit 7 includes a sandwich type tape tension applying device 8, a feed roller 9, rubber tape guide cylinders 10 and 11 divided into upper and lower parts, a cutter 12, and a rubber tape pressing device. 13, a rubber tape detection fiber sensor 14, a cutter driving device 15, and a swinging driving device 16 for the lower rubber tape guiding tube 11, and a unit frame 17 of the unit frame 17 pivots to the sewing machine arm 2 via a hinge 18. The sewing machine arm 2 is supported and is swingably switchable between a sewing operation position near the front surface of the head of the sewing machine arm 2 and a side standby position.

Numeral 19 is a tape material feeding guide for the trumpet,
The tape material 20 is fed to the sewn portion while being deformed into a trumpet shape, and is fixedly supported on the front side of the sewing machine bed 6 via a bracket 21. In FIG. 1, reference numeral 22 is a tightening fixture for fixing the rubber tape supply unit 7 to the sewing operation position.

FIG. 2 is an enlarged perspective view of an essential part of the rubber tape supply unit 7, in which a sandwich type tape tension applying device 8 is provided.
As shown in FIG. 6 and FIG. 6, the notch 25 for inserting the rubber tape 24 and the swing-out protrusions 26a to the left and right are formed on one outer surface of the base 23 having a substantially U-shaped plan view. 26a
The flat pressing plate 26 having the above is elastically pressed through the coil spring 27, and the rubber tape 24 is elastically sandwiched between the pressing plate 26 and the outer side surface of the base 23, so that the feed roller The rubber-like tape 24 fed by 9 is provided with a required tension. The nut 48 can be screwed to adjust the clamping force, that is, the tape tension, and the air cylinder 28 presses the rubber-like tape 24. The clamping force can be released.

The feed roller 9 is a drive roller 9A.
And a movable nip roller 9B and a driving roller 9A which can be brought into and out of contact with the driving roller 9A via an air cylinder 29.
And a tape feed motor 9C for driving. The tips of the air hoses 30 and 31 connected to the compressors (not shown) are downwardly connected to the upper portions of the rubber tape guide tubes 10 and 11 which are divided into the upper and lower parts. From the tip of each guide cylinder 1
The rubber-like tape 24 fed by the feed roller 9 by ejecting air downward into the Nos. 0 and 11
Is configured to smoothly droop. The lower end portion 11a of the lower portion of the guide tube 11 have been bent so as to open toward the sewing unit, the feeding guide 19
It is shaped so that the rubber tape 24 can be inserted into the trumpet tape material 20A that is fed out from.

The cutter 12 includes the upper and lower guide cylinders 10 and 1.
It comprises a fixed knife 12A and a rotary knife 12B that are slidable relative to each other so that the rubber tape 24 is cut between the end faces of the rubber tape 24 in a plane orthogonal to the feeding direction. The drive device 15 of the cutter 12 is configured as follows. That is, in FIG. 2, reference numeral 32 designates a forward / reverse switching rotary cylinder, which has a forward / reverse rotary shaft 33 having a vertical shaft center linked to the eccentric shaft 34a, a forked lever 34b, a rotary knife shaft 34c and a rotary knife. The eccentric mechanism 34 including a spring 34d for pressing the 12B against the fixed knife 12A is interlocked with each other, and the rotary cylinder 32, the forward / reverse rotation shaft 33, and the eccentric mechanism 34 are arranged along the side portion of the upper guide cylinder 10. The cutter driving device 15 is configured by sequentially arranging the cutter driving device from the upper side to the lower side. In FIG. 2, 47 is a rear cutter for cutting the trumpet tape material 20A.

The rubber tape pressing device 13 is shown in FIG.
It is configured as specified in. In FIG. 3, 35
Is a rubber tape retainer composed of a spring plate, which is inserted into the lower guide cylinder 11 and has its upper end bent portion 35a.
It is swingably attached via. In this rubber tape holder 35, the spring 36 (FIG. 4), the air cylinder 38, and the tip portion 37a thereof are passed through the elongated window 39 formed on the side wall of the lower guide cylinder 11 to form the lower guide cylinder 11.
As shown in FIG. 4, a non-acting state in which the rubber tape 24 is separated from the rubber tape 24 via a presser bar 37 that is pivotally attached so as to move in and out of the inside of the rubber tape, as shown in FIG. It is configured such that a part of the tape-shaped tape 24 is elastically pressed against the inner surface of the lower guide cylinder 11 to be able to switch to a pressing action state in which the rubber-shaped tape 24 is given a feeding resistance. In addition, the attachment positions of the presser bar 37 and the air cylinder 38 are set to the long holes 40.
By vertically changing and fixing via the bolt 41, the pressing force of the rubber tape holder 35 against the rubber tape 24 can be adjusted. Also, a nut 38d attached to the piston rod 38a of the air cylinder 38
The pressing force can be adjusted also by the position of.

Further, the drive device 16 for swinging the lower guide cylinder 11 is constructed as shown in FIG. That is, in FIG. 3, reference numeral 42 denotes an air cylinder, which is arranged vertically along the side portion of the upper guide cylinder 10 and is fixedly supported by the upper guide cylinder 10 via a bracket 43 and a mounting plate 44. Reference numeral 45 denotes an intermediate rocking body pivotally supported by a mounting plate 44 via a horizontal shaft 46, the upper end of which is engaged and connected to the lower end of the movable piston rod 42a of the air cylinder 42. The lower guide cylinder 11 is fixed to the lower end, and the expansion and contraction of the air cylinder 42 causes the rubber tape 24 to be drawn from the lower guide cylinder 11 to be drawn onto a predetermined sewing line and the position where the rubber tape 24 is out of the sewing line. It is configured to be swingable so as to switch to a state in which it is fed out.

Next, the operation of the above configuration will be described with reference to the timing chart shown in FIG. 7, the sewing model diagram shown in FIG. 8 and the layout diagram of the operation amount setting operation panel shown in FIG. In the following description, the operation control is performed based on the count value N while counting the rotation signal of the sewing machine, that is, the number of hand movements.

First, in FIG. 7, D shows the period immediately after the trumpet tape material 20A is cut by the operation of the rear cutter 47 and the previous sewing operation of the rubber tape is finished. The time To for the preparatory work for projecting the tip of the tape-shaped tape 24 by a predetermined length from the detection position of the sensor 14 is a time value (second) by the setter 50a for setting the tape insertion amount in the operation panel 50 shown in FIG.
, The nip roller 9B is brought into contact with the drive roller 9A by the contraction of the air cylinder 29, the tape feed motor 9C is operated, and the air hoses 30, 3 are connected.
By blowing air into the upper and lower guide cylinders 10 and 11 from 1, the rubber tape 24 is transferred over a predetermined length. During this time, the pressing plate 26 is separated from the outer surface of the base 23 against the spring 27 as the air cylinder 28 extends, and the rubber tape 24 is released from being held.

As described above, after the sensor 14 detects the tip of the rubber-like tape 24 transferred by the feed roller 9 and the air blower, the tape 24 is kept for a set time To until it protrudes a predetermined length. Then, the tape feed motor 9C and the air blower are stopped, and the air cylinder 28 contracts to sandwich the rubber tape 24 and elastically move between the pressing plate 26 and the outer surface of the base 23 in the tape tension applying device 8. It is clamped, and the standby period A is entered. During the waiting period A, all operations are stopped.

From this state, the operation of the sewing machine 1 is started, the body cloth 49 is supplied onto the sewing machine bed 6, and this is supplied to the sensor 5
Is detected, the counting of the number of hands operated by the control unit is started and the sewing period B is started. When the count value reaches the numerical value N0 set in the tape feed start setter 50b of the operation panel 50 in FIG. 9, the tape feed motor 9C sets the set time T1, for example, 500 msec. The rubber tape 24 is inserted into the trumpet tape material 20A by being blown by air while being rotated for a while and the rubber tape 24 is slightly fed. After that, the air cylinder 29 is extended to separate the movable nip roller 9B from the drive roller 9A, and while the tape tension applying device 8 applies tension, the rubber tape 24 is pulled out by the sewing machine 1 and the length 11 along with the trumpet tape material 20A. Tape part 2 across
4A is sewn onto the body cloth 49.

During the sewing period B, when the count value reaches the numerical value N3 set in the lower guide tube swing start setter 50c of the operation panel 50 of FIG. 9, the air cylinder 42 is operated to move the intermediate value. The rubber tape 24 is attached to the lower guide tube 11 via the rocking body 45 by a predetermined sewing line L.
By switching so that the rubber tape 24 is extended to a position away from the position , the insertion position of the rubber tape 24 with respect to the trumpet tape cloth 20A is shifted by ΔL, as shown in FIG.
The rubber tape portion 24B between the lengths 12 is free from the trumpet tape material 20A.

The count value is set to the numerical value set in the tape presser start setter 50d of the operation panel 50 shown in FIG. 9, that is, (N
1-N4), the air cylinder 28 of the tape tension applying device 8 is extended to separate the holding plate 26 from the outer surface of the base 23 to release the holding, and at the same time, the air cylinder in the rubber tape holding device 13 is released. 38 is extended, the rubber tape holder 35 is switched from the state shown in FIG. 4 to the state shown in FIG. 5 via the press rod 37, and the rubber tape 24 in the lower guide cylinder 11 is elastically pressed against the inner surface of the cylinder to be fed out. Add resistance.

Then, the count value is the operation panel 5 shown in FIG.
When the number N1 set in the cutter operation start setter 50e at 0 is reached, the rotary cylinder 32 in the cutter drive device 15 is operated to turn the rotary knife 12B.
The rubber tape 24 is cut between the upper and lower guide tubes 10 and 11 by sliding the rubber tape 24 against the fixed knife 12A. With this cutting, the tape is released from the tension so that both ends of the cutting are suddenly pulled toward the presser foot 4 side of the sewing machine 1 and to the upper side. The tape 24 is pressed against the inner surface of the lower guide cylinder 11 by the presser 35 of the presser device 13,
Further, since the rubber tape 24 above the cutting point is released from the nipping between the pair of rollers 9A and 9B in the nipping tension applying device 8 and the feed roller 9, it is not drawn suddenly. In particular, the rubber tape 24 below the cutting point is kept in the above-mentioned pressing posture until the end thereof is fed to the lower part of the presser foot 4, and is reliably inserted over a predetermined range of the trumpet tape material 20A. It

After the above cutting, the setter 50 for returning the lower guide tube swing in the operation panel 50 of FIG.
When the numerical value N2 set in f is reached, the air cylinder 42 is actuated to switch the lower guide cylinder 11 so that the rubber tape 24 after cutting is fed out on a predetermined sewing line L, whereby the final sewing is performed. Entering the landing section C, as shown in FIG. 8, a rubber tape portion 24 having a length of 13
C is sewn to the body cloth 49 together with the trumpet tape cloth 20A, and at the same time as the sewing is completed, the rear cutter 47 is operated by a sensor signal or manually to cut the trumpet tape cloth 20A.

In FIG. 9, 50g is an on / off switch of the swinging drive device 16 for the lower guide tube 11, 50h is an on / off switch of the material edge detecting sensor 5, and 50i. Is a manual button for feeding the tape, 50j is a manual button for operating the cutter driving device 15,
50k is a preset button, 50l is a reset button,
50 m is a power lamp.

If the entire tape supply unit 7 is swingably switchable between the sewing operation position and the side standby position as in the above embodiment, the initial setting work of the rubber tape 24 can be performed. Of course, maintenance such as maintenance and inspection of each component of the tape supply unit 7 is easy, but it may be fixed to the sewing operation position.

FIG. 10 is an enlarged perspective view showing another embodiment of the tape tension applying device 8, which is a notch 25 for insertion of the rubber tape 24 and the swinging protrusions 26a, 2a to the left and right.
The tape holding plate 26 having 6a can be rotated and opened and closed with respect to the base 23 via a hinge 50, and the locking piece 51 formed of a bent leaf spring and the tip of the tape holding plate 26 are formed in a tubular shape. The movable pressing plate 53 is slidably supported on the base 23 side via the guide pin 52, and the movable pressing plate 53 is connected to the guide pin 52. The rubber tape 24 is elastically sandwiched between the movable pressing plate 53 and the pressing plate 26 by elastically urging the pressing plate 26 side through the coil spring 27 wound around the pressing plate 26. The clamping force can be released by contraction of the air cylinder 28 housed in the base 23. Further, a movable plate 56 whose position can be adjusted in the sliding direction is provided on the base 23 via a long hole 54 and a set screw 55, and by adjusting the position of the movable plate 56, the rubber tape 24 via the spring 27.
It is configured such that the clamping force with respect to can be adjusted.

In the tape tension imparting device 8 having the structure shown in FIG. 10, the same function as that of the embodiment shown in FIG. 6 is exerted, the pressing plate 26 is easily released, and the setting operation of the rubber tape 24 is performed. Has the advantage of being easy.
Further, in the case of the tape tension applying device 8 having such a configuration, it is possible to directly attach it to the sewing machine arm 2.

[0035]

According to the invention of claim 1, in the rubber tape sewing device having the above-mentioned structure and action.
For example, a fixed period immediately after the start of sewing and a fixed period before the end of sewing.
Rubber tape that is fed from the lower end of the lower guide tube
The rubber tape to a predetermined sewing line
With both tensions applied, only the ends of the trumpet-shaped tape
Sew it to the bottom of the lower guide tube at the middle
Gum tape which is unwound et deviates from a predetermined sewing line
Guide the rubber tape to the position and tap the middle part of the rubber tape.
It is possible to leave it in a free state without sewing it to the tape-shaped fabric.
Rubber tape over the entire length
Sufficient elasticity compared to when sewn on tape material
When the rubber tape released from the tension is cut by the cutter at the time when the amount of the rubber tape fed out in the guide tube reaches a predetermined value in addition to providing a soft wearing feeling. , It is possible to give the feeding resistance to the cutting tape which is at least on the sewing portion side and has not been inserted into the trumpet tape material, so that the feeding state which is the same as before cutting can be maintained, so the rubber tape is applied to the sewing portion. It can be reliably inserted over a predetermined length range in the trumpet tape material without being suddenly sent out and unexpectedly shortened by elastic contraction force, etc. It is possible to sew under a predetermined tension state without inviting the like, and it is possible to prevent the generation of defective products.

Further, according to the invention of claim 4, the operation of setting the rubber tape on the tension applying device can be easily performed by rotating and releasing the tape holding plate in the tension applying device with respect to the base. You can

Further, according to the invention of claim 5, the rubber tape supply unit in which the guide tube of rubber tape, the cutter and the rubber tape pressing device are integrated is rocked to the standby position on the side of the sewing machine head. By dynamically switching, a sufficiently wide working space can be secured and the initial setting work of the rubber tape and the maintenance such as the maintenance and inspection of each component of the unit can be easily performed.

[Brief description of drawings]

FIG. 1 is an overall perspective view of a rubber tape sewing device according to the present invention.

FIG. 2 is an enlarged perspective view of a main part of a rubber tape supply unit.

FIG. 3 is an enlarged side view of essential parts showing a rubber tape holding device and a lower rubber tape guide tube swinging drive device.

FIG. 4 is a vertical sectional view showing a non-acting state of the tape pressing device.

FIG. 5 is a vertical cross-sectional view showing an operating state of the tape pressing device.

FIG. 6 is an enlarged plan view of the tape tension applying device.

FIG. 7 is a timing chart for explaining the operation of the embodiment.

FIG. 8 is a sewing model diagram for explaining the operation of the embodiment.

FIG. 9 is a layout diagram of an operation panel.

FIG. 10 is an enlarged perspective view showing a modified structure of the tape tension applying device according to another embodiment of the present invention.

[Explanation of symbols]

3 Needle 4 Presser foot 8 Nip-type tape tension applying device 9 Feed roller 10 Rubber tape guide tube on the upper side 11 Rubber tape guide tube on the lower side 12 Cutter 13 Rubber tape holding device 16 Lower guide tube swing drive device 19 For wrapper Tape material feed-out guide 20 Tape material 23 Base 24 Rubber tape 26 Tape retainer plate 26a Vibration stop protrusion 27 Coil spring 28 Air cylinder 35 Spring plate rubber tape retainer 37 Presser bar 38 Air cylinder 53 Movable pressure plate

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Yoshikazu Kageyama, 5-7-2, Sagishu, Fukushima-ku, Osaka, Osaka 5-7-2 Pegasus Sewing Machine Manufacturing Co., Ltd. (56) Reference JP-A-1-218491 (JP, A)

Claims (5)

[Scope of utility model registration request] 1. A tape tape feed-out guide for a trumpet that is fed to a sewn portion while deforming the tape material into a trumpet shape, and a rubber tape is inserted into the trumpet-shaped tape material that is fed out from the guide immediately before the sewn portion. A rubber-like tape guide tube for feeding and guiding the rubber-like tape delivered toward the sewn portion to a position immediately before the sewn portion, and a rubber-like tape for continuously moving in the rubber-like tape guide tube. A tape tension applying device for applying a predetermined tension to the rubber tape, and when the rubber tape is fed by a predetermined amount,
A cutter that cuts the rubber-like tape in a plane orthogonal to the feeding direction and a feeding tape that is cut by the cutter until at least the cutting tape on the sewing portion side is fed to the sewing portion at its end. and a rubber-like tape pressing device which gives the resistance, further the rubbery
An upper plan in which the tape guide tube is located above the cutter
It is located below the inner cylinder and the cutter, and its lower end is
With a lower guide tube that is bent so that it opens toward the manufacturing part
The lower guide tube is divided into
The rubber-like tape that is fed out is guided on the specified sewing line.
And the state of being guided to a position outside the sewing line
The drive device for swinging the lower guide tube that swings so as to switch
A device for sewing rubber tape, characterized by being provided . 2. The rubber tape holding device according to claim 1, wherein the rubber tape holding device is configured to be switchable between a pressing state and a non-pressing state, and the pressing force thereof is adjustable. Sewing device. 3. The rubber tape pressing device comprises a spring plate presser inserted and arranged in a rubber tape guide tube, and the rubber tape is elastically attached to the inner surface of the guide tube via the spring plate presser. 2. A push rod for pressing against
Or the rubber tape sewing device of 2. 4. A tape tension applying device comprising a tape pressing plate configured to be rotatable and openable with respect to a base, and elastically attached to the tape pressing plate via a spring slidably supported by the base. 2. The rubber tape sewing device according to claim 1, further comprising a movable pressing plate which is urged to move toward and to a cylinder for releasing a tape holding force by the both plates. 5. A rubber-like tape guide cylinder, a cutter, and a rubber-like tape pressing device are integrated as a rubber-like tape supply unit via a frame, and the rubber-like tape supply unit is close to the front surface of the sewing machine head. 2. The device for sewing a rubber tape according to claim 1, wherein the swinging is switchable between a sewing operation position and a side standby position.