JP2002275754A - Embroidery machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable the embroidering work constantly under the optimum condition by stretching a tape held on a holding frame in a state free from crease, etc. SOLUTION: The embroidery machine can successively apply prescribed embroidery patterns on a tape in the direction of the length. The tape is set in a manner to be delivered from the supply side, passed under a machine head and recovered to the recovery side. The tape is held on a holding frame 20 placed under the machine head and movable in X and Y directions in controlled manner on the machine table. The holding frame 20 is provided with a receiving frame 20A having a window hole 26 and a pressing frame 20B to press the tape placed on the receiving frame against the peripheral part of the window hole 26 or release the pressed state. The tape is stretched in longitudinal direction by pressing the tape with the pressing frame.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to an embroidery sewing machine,
In particular, the present invention relates to a sewing machine capable of embroidering a predetermined embroidery pattern on a long tape.

[0002]

2. Description of the Related Art The basic structure of this type of embroidery sewing machine is as follows. A frame driving body installed below a sewing head having one or a plurality of needle bars is driven and controlled in X and Y directions on a sewing machine table. A holding frame including a receiving frame and a holding frame is attached to the frame driving body. The receiving frame has a rectangular window hole and is fixed to the frame driving body. The holding frame is for holding the tape placed on the receiving frame against the periphery of the window, and can hold the tape.

[0003] The tape is fed out from a supply reel, and is wound under a sewing head on a collecting reel. The tape is held by the holding frame under the sewing head. Then, the embroidery on the tape is performed within the range of the window hole in the receiving frame by controlling the movement of the holding frame in the X and Y directions by driving the frame driving body and driving the sewing machine head. The holding frame can hold and release the tape from the receiving frame by an actuator such as an air cylinder.

There are two types of embroidery on the tape: a continuous pattern is sewn along the length of the tape, and a predetermined embroidery pattern is sequentially sewn at intervals in the length of the tape. In either case, the basic sewing operation is the same, and therefore, the embroidery of the latter intermittent pattern will be briefly described here.

[0005] When the sewing of one embroidery pattern is completed within the range of the window hole in the receiving frame as described above, the drive of the frame drive is controlled, and the holding frame holds the tape toward the collecting reel. Moving. By this operation, the tape is fed out from the supply reel, and the position of the tape to be embroidered next is determined. Then, after the needle bar of the sewing machine head is moved down to insert the sewing needle into the tape, the presser frame operates in a state where the tape is released. Then, the holding frame is moved to the supply reel side in the opposite direction to the above, and when the portion corresponding to the area of the tape to be embroidered next matches the window hole of the receiving frame, the tape is pressed down by the pressing frame. Thereafter, the embroidery sewing is started again, and the next embroidery pattern is sewn on the tape. The technology related to tape embroidery as described above includes
For example, it is disclosed in JP-A-2000-248456.

[0006]

In order to continuously sew an embroidery pattern on a tape as described above, it is necessary to repeat pressing and releasing of the tape by the pressing frame and sequentially feed the tape. It is. For this reason, in the tape embroidery, unlike the general embroidery for a raw material or the like, the holding of the tape by the holding frame is inevitably rough, and the tape is liable to be loosened in the length direction, which adversely affects the embroidery. The present invention seeks to solve the above problems,
An object of the present invention is to allow a tape held in a holding frame to be stretched without wrinkles or the like, thereby always enabling proper embroidery sewing.

[0007]

SUMMARY OF THE INVENTION The present invention has been made to achieve the above-mentioned object, and the invention according to claim 1 is of a type capable of sequentially embroidering a predetermined embroidery pattern in the longitudinal direction of the tape. An embroidery sewing machine, wherein the tape is set so as to be able to be fed out from a supply side and to be collected at a collection side through a lower portion of the sewing machine head. X, Y are installed below the sewing machine head and
The tape is held in a holding frame that is controlled to move in the direction. The holding frame includes a receiving frame having a window hole, and a pressing frame capable of pressing or releasing the tape placed on the receiving frame against a peripheral portion of the window hole. When the tape is pressed by the holding frame, a tension is applied to the tape in the length direction. As a result, the tape held in the holding frame is stretched without wrinkles and the like, and embroidery sewing is properly performed.

[0008]

Embodiments of the present invention will be described below. FIG. 1 is a perspective view showing an embroidery sewing machine for tape. As shown in this drawing, one sewing head 14 is arranged substantially at the upper center of the sewing table 12 in the sewing machine main body 10. The sewing machine head 14
Is a type provided with a plurality of needle bars so that color change sewing can be performed, but a single needle bar may be used. The tape holding frame 20 located below the sewing head 14 is controlled to move in the X and Y directions on the upper surface of the sewing table 12.

FIG. 2 is a perspective view showing the holding frame 20 together with its related members, and FIG. 3 is a plan view of FIG. As is clear from these drawings, the sewing machine table 12
A driving body 18 long in the X direction is provided on the upper surface of the driver.
The driving body 18 is driven only in the Y direction by a driving mechanism (not shown) installed on the lower surface of the sewing machine table 12. The frame driving body 19 to which the holding frame 20 is detachably attached is a driving body 18 in the Y direction.
, And is driven in the X direction with respect to the driving body 18 by the driving of a driving source (motor) built in the driving body 18. Therefore, it is possible to control the movement of the holding frame 20 in the X and Y directions as described above.

As shown in FIG. 1, a tape supply reel 54 and an interlining supply reel 55 are arranged on the right side of the sewing machine table 12, and a collection reel 68 is arranged on the left side of the sewing machine table 12. Double supply reel 5
Tape T1 and interlining T2 fed from 4,55
Are embroidered while being held by the holding frame 20 and are sequentially wound up on the collection reel 68.

Here, the holding frame 20 and its related structure will be described in detail. The holding frame 20 is roughly composed of a receiving frame 20A and a holding frame 20B.
The receiving frame 20A is a rectangular plate-like member having a rectangular window hole 26 long in the X direction, and a connecting plate 22 coupled to an edge on the back side thereof is attached to and detached from the frame driving body 19 by bolts 24. Mounted freely. In addition, receiving frame 20A
On both sides, rising portions 28 and 29 that are upward and inclined outward are formed. A pair of guides 30 is attached to each of these upstanding portions 28 and 29.

FIG. 4 is an enlarged sectional view taken along the line AA of FIG. 3, and FIG. 5 is an enlarged sectional view taken along the line BB of FIG. As apparent from these drawings, the receiving frame 20A
A slit 28a for inserting the interlining T2 in the X direction is formed in the right rising portion 28 in FIG. On the upper surface of both short sides of the window hole 26, edging members 27 are respectively fixed, and these tape-shaped tape T1 (interlining T2) before and after the window hole 26 in the X direction as described later. It functions to bend.

Each of the guides 30 has a first guide portion 30a, a second guide portion 30b, and a mounting portion 30c. The first guide portion 30a of each guide 30 is a portion that can be positioned parallel to the upper surface of the receiving frame 20A with a gap or can be brought into surface contact with the upper surface. Also, the second guide portion 30b is provided with the first guide portion 30.
It is a portion located with a certain gap from the upper surface of a. The mounting portion 30c extends from the first guide portion 30a with an inclination corresponding to the rising portions 28 and 29, and has a tip portion bent like a spring clip. Therefore, the mounting portion 30c is connected to the rising portion 2
The guide 30 is attached to the receiving frame 20A such that the position of the guide 30 can be adjusted in the set height and the width direction (Y direction) with respect to the receiving frame 20A.

The first and second guides 30a and 30b are attached to the rising portion 28.
The set height with respect to the rising portion 28 is set so as to form a gap that can pass through the interlining T2 with the upper surface of 0A. The first guide portion 30a and the second guide portion 30
The tape T1 can pass through the gap between the tape T1 and the tape T1. On the other hand, the two guides 30 attached to the rising portion 29 are set down until the first guide portion 30a contacts the upper surface of the receiving frame 20A. The gap between the first guide portion 30a and the second guide portion 30b is
The tape T1 and the interlining T2 overlap and pass through.

Second guide portion 30b of each guide 30
Has a function of regulating the movement of the tape T1 (the tape T1 and the interlining T2 on the side of the rising portion 29) in the Y direction. Therefore, the interval in the Y direction between the guides 30 is adjusted according to the width of the tape T1 (interlining T2) to be used. The interlining T2 may not be used depending on the material of the tape T1. In that case, the first and second guides 30 attached to the rising portions 28 also have the first shape.
The guide portion 30a is set in a state of being brought into contact with the upper surface of the receiving frame 20A.

The holding frame 20B is formed in a frame shape having front and rear frame pieces 32 and left and right frame pieces 33, and the left and right frame pieces 33 form a connecting portion 33a which is bent upward from respective edges. Have. These connecting portions 33a
, One end of an arm 34 is rotatably connected to a substantially middle portion. The other ends of the arms 34 are individually fixed to ends of a support shaft 36 supported by a pair of bearing blocks 37 provided on the upper surface of the connection plate 22. In other words, both arms 34 can rotate around the axis of the support shaft 36, whereby the holding frame 20 B
Operates as described below.

A forked end of a fork-shaped support lever 38 is fixed to the middle of the support shaft 36.
The motor 40 mounted on the upper surface of the connecting plate 22
A base end of a first lever 42 is fixed to an output shaft of the first lever 42, and a second end of the first lever 42 (a free end) is
One end of the lever 44 is rotatably connected (mainly FIG. 5). The free end of the support lever 38 is rotatably connected to the other end of the second lever 44. By controlling the drive of the motor 40, the lever 4
As described above, the arms 34 rotate around the axis of the support shaft 36 through the movement of the support levers 2 and 44 and the support lever 38.
As a result, the holding frame 20B operates at the solid line position or the imaginary line position shown in FIG. 5, and the solid line position holds and holds the tape T1 (interlining T2) placed on the receiving frame 20A. It is in a state where the holding down is released.

FIG. 6 is a bottom view of the holding frame 20B. As is clear from this drawing and FIGS. 4 and 5, the pressing members 4 are provided on the lower surfaces of the frame pieces 32 and 33 in the pressing frame 20B.
6, 47 are fixed members 50, 51 provided alongside them.
Is fixed to the frame pieces 32 and 33 by screws. These pressing members 46 and 47 are connected to the frame pieces 32 and 3 respectively.
3 is formed by press-forming a thin spring steel plate having substantially the same length as that of FIG. 3, and has a cross-sectional shape shown in FIGS.

As shown in FIG. 4, the pressing members 46 fixed to the left and right frame pieces 33 have an outer pressing portion 46a and an inner pressing portion 4 which are bent downward, respectively.
6b. The outer pressing portion 46a extends outward at a position corresponding to the peripheral portion of the window hole 26 in the receiving frame 20A, and has a leading edge folded back and covered with an elastic body 48 such as rubber. I have. The inner pressing portion 46b extends substantially vertically at a position corresponding to the inside of the window hole 26, and the edge of the tip is folded back. 4A shows a state in which the pressing frame 20B has released the pressing of the tape T1 (interlining T2), and FIG. 4B shows a state in which the pressing frame 20B has the tape T1 (interlining T).
2) shows a state in which is pressed.

The pressing members 47 fixed to the front and rear frame pieces 32 are provided with the window holes 26 of the receiving frame 20A as shown in FIG.
At the position corresponding to the peripheral portion of, a downward pressing portion 47a inclined outward is provided. The edge of the leading end of the pressing portion 47a is folded back and covered with an elastic body 49 such as rubber.

Next, the support structure of the tape supply reel 54 and the interlining supply reel 55 will be described. FIG. 7 is an enlarged front view of the support structure of both supply reels 54 and 55. As shown in this drawing, the two supply reels 54, 55 are rotatable with shafts 56a, 57a provided at the distal ends of the respective support arms 56, 57 in a state where a predetermined friction is applied to each of them. It is attached detachably. These support arms 5
The base ends of the members 6 and 57 are integrated by a connecting plate 58, and the connecting plate 58 is attached to the sewing machine main body 10.

A slider 60 is provided on the back surface of the connecting plate 58.
Is fixed, and this slider 60 is
The rail 62 is slidably fitted to the rail 62 fixed to the side surface of the zero. This rail 62 is used for the sewing machine main body 10.
The support arms 56 and 57 can be moved together with the supply reels 54 and 55 in that direction (Y direction). A screw 59 (locking means) screwed into the slider 60 from the surface of the connecting plate 58
, The slide of the slider 60 with respect to the rail 62 can be locked. Above the connecting plate 58, there is a supporting portion 58a supported on the upper surface of the sewing machine table 12. The support portions 58a support the loads on the supply reels 54 and 55 and related members, and reduce the loads applied to the slider 60 and the rail 62.

At the tip of the support arm 56, a tension arm 64 for applying tension to the tape T1 is provided.
Is mounted so as to be rotatable around the axis of the shaft 56a in the range between the solid line position and the virtual line position in FIG.
The tension arm 64 is biased by a tension spring 64b in the direction of the solid line in FIG. 7, and a roller 64a is rotatably supported at its free end. The tension spring 64 is applied to the tape T1 fed from the tape supply reel 54 by the roller 64a.
The tension is given by making contact with the force based on the elastic force of b (FIG. 1).

The base end of the support arm 56 has an interlining T
The tension arm 65 for applying tension to the second arm 2 is mounted so as to be rotatable in a range between a solid line position and a virtual line position in FIG. The distal end 65a of the tension arm 65 is bent substantially at a right angle. The tip 65a gives tension to the interlining T2 fed from the interlining supply reel 55 by contact with the tension arm 65 by its own weight (FIG. 1).

Next, the support structure of the collection reel 68 will be described. 8 is an enlarged front view of the support structure of the collection reel 68, FIG. 9 is a longitudinal sectional view of FIG. 8, and FIG. 10 is an enlarged view of a part of FIG. This collection reel 68
As for the support arm 70, the substrate 72 is mounted on the sewing machine main body 10. The substrate 72 also includes a slider 74, a screw 73 (locking means), and a support portion 72a that fit into the rails 76 of the sewing machine main body 10, respectively. These functions are exactly the same as the case of the connecting plate 58 in the supply reels 54 and 55, and thus the duplicated description will be omitted.

A motor 8 is provided at the upper end of the support arm 70.
The collection reel 68 is detachably mounted on a shaft 86 concentrically connected to the main shaft of the motor 84. This attachment / detachment can be performed with one touch by unlocking a lock member 88 (FIG. 9) provided outside the boss portion of the collection reel 68. The lock member 88 has a split structure, and can be fastened or released to the shaft 86 by a one-touch operation. As for the lock member 88, the tape supply reel 54 and the interlining supply reel 55 have the same configuration.

At the tip of the support arm 70, a tension arm 78 is mounted so as to rotate around the axis of the shaft 86. The tension arm 78 is urged by a tension spring 78b in the direction of the imaginary line position regulated by the stopper 80 in FIG.
A roller 78a is rotatably supported at its free end. The tension is given to the tape T1 (the interlining T2) immediately before the roller 78a is taken up on the collection reel 68 by contact with the force based on the elastic force of the tension spring 78b (FIG. 1). The roller 78a can be adjusted in axial length in accordance with the width of the tape T1 (interlining T2) (FIG. 9).

As is apparent from FIG. 10, a cam surface 78c is formed at the base end of the tension arm 78, and the cam surface 78c is formed at the support arm 70 side.
Is fixed. The motor 84 is electrically connected so as to rotate or stop when the limit switch 82 is turned on and off. The on / off of the limit switch 82 by the cam surface 78c is the point where the solid line position of the tension arm 78 in FIGS. That is, when the tension arm 78 rotates clockwise from the solid line position by the force of the tension spring 78b, the limit switch 82 is turned on and the motor 84
Rotates, and conversely, when the tape T1 (interlining T2) is rotated counterclockwise from the solid line position by the tension of the tape T1, the limit switch 82 is turned off and the motor 84 stops.

Next, embroidery sewing will be described. As an example, a case will be described in which a plurality of patterns D (rose pattern) shown in FIG. 11 are automatically and continuously sewn at regular intervals in the length direction of the tape T1 as shown in FIG. First, as preparation work by an operator, pattern data of the pattern D is read from a memory in a controller of the sewing machine or an external storage medium (such as a floppy (registered trademark) disk) and set.
Then, the number of repetitions of the pattern D in the X direction and the crossover amount L (FIG. 12) are input. The transfer amount L is a distance between the start points S of the adjacent patterns D. Since the pattern D is not repeated in the Y direction, the number of repetitions is set to “1” and the crossover amount is set to “0”.

Thereafter, the motor 40 is driven by an operator's key operation on the operation panel, and the holding frame 20B of the holding frame 20 is released from the holding state indicated by the phantom line in FIG. Here, the tape T1 and the interlining T are supplied from the tape supply reel 54 and the interlining supply reel 55.
2 are respectively extended and placed on the receiving frame 20A. At this time, the tape T1 passes over the right rising portion 28, and the interlining T2 passes through the slit 28a of the rising portion 28 (FIG. 4). Then, the tape T1 and the interlining T2 are set to the respective guides 30 so as to pass through the respective gaps as described above. The tape T <b> 1 and the interlining T <b> 2 drawn out to the left side of the sewing machine table 12 over the left rising portion 29 are wound around the collection reel 68 so as to be wound up.

Next, the motor 40 is driven by a key operation on the operation panel, and the holding frame 20B is brought into a holding state shown by a solid line in FIG. Thereby, the presser frame 20
4B, the pressing members 46 fixed to the left and right frame pieces 33 change from the state shown in FIG. 4A to the state shown in FIG. 4B, and the pressing members fixed to the front and rear frame pieces 32. 47 becomes the state shown by the solid line in FIG. The outer pressing portion 46a of the pressing member 46 presses the tape T1 and the interlining T2 against the left and right peripheral portions of the window hole 26 in the receiving frame 20A, and the inner pressing portion 46b has the tape T1 inside the window hole 26. And the interlining T2. The pressing member 47
About the tape T by the pressing portion 47a.
1 and the interlining T2 are pressed against the front and rear peripheral portions of the window hole 26 in the frame 20A.

As shown in FIG. 4 (b), the outer pressing portion 46a of the pressing member 46 is bent so as to open outward when the tape T1 and the interlining T2 are pressed, and the restoring force causes the bending. The tape T1 and the interlining T2 are strongly pressed. On the other hand, the inner holding portion 46b receives the tape T1 and the interlining T2,
A is pushed down to a position lower than the upper surface of A. Moreover, the tape T1 and the interlining T2 are bent in a chevron shape at the location of the edging member 27 of the receiving frame 20A. From these facts, tension is applied to the tape T1 and the interlining T2 in the length direction thereof, so that the tape T1 and the interlining T2 are kept taut.

Also, as described above, the inner pressing portion 46b
Another function by pressing down the tape T1 and the interlining T2 to a position lower than the upper surface of the receiving frame 20A by:
The tape T1 and the interlining T located in the window 26
2 is held close to the upper surface of the sewing machine table 12 (needle plate). As a result, at the time of continuous embroidery, the tape T1 and the interlining T2 are not beaten by the cloth presser at the position (needle drop position) below the sewing needle 16 (FIG. 5), and the embroidery sewing is properly performed. Done.

When the holding frame 20B is in the holding state, the support lever 38, the first lever 42, and the second lever 44 are in a positional relationship shown by a solid line in FIG.
The lever 42 and the second lever 44 are in a straight line. For this reason, the two arms 34 and the support lever 38 are used.
Is prevented from rotating around the support shaft 36 as a rotation axis. Therefore, even if the excitation of the motor 40 (pulse motor) is turned off, the holding frame 20B is prevented from rising due to the external force applied thereto, and is held in the holding state. However, in an actual operation, a holding current is applied to the motor 40 just in case.

As described above, the tape T1 is attached to the holding frame 20.
When the interlining T2 is held, the driving body 18 and the frame driving body 19 are driven by key operation on the operation panel to move the holding frame 20. By this moving operation, FIG.
As shown by 3, assuming a position where the first pattern D1 is to be embroidered on the tape T1, the start point S1 is the sewing needle 1.
The positioning of the holding frame 20 is performed so that the holding frame 20 is located directly below 6.
Thereafter, the positions of the supply reels 54 and 55 and the recovery reel 68 in the Y direction are adjusted so that the tape T1 and the interlining T2 are parallel to the X axis. This state is shown in FIG. FIG. 13 shows the positions of the needle holes H on the needle plate (not shown) of the sewing machine table 12.

When the above preparation work is completed, the sewing machine is started to start sewing by automatic control. As a result, when the first pattern D1 is embroidered as shown in FIG. 13B, the well-known thread cutting control is performed here to cut the upper and lower threads. Next, the movement of the holding frame 20 is controlled, and FIG.
As shown in FIG. 3 (c), the holding frame 20 is positioned so that the start point S2 of the pattern D2 to be embroidered next is located immediately below the sewing needle 16, that is, at the position of the needle hole H. The holding frame 20
Is obtained by calculating a difference between the set value of the crossover amount L and the dimension of the maximum embroidery range of the pattern D in the X direction.

When the sewing needle 16 is lowered to the bottom dead center and stabs the tape T1 and the interlining T2, and the tape T1 and the interlining T2 are held so as not to move, the pressing frame 20
B operates in the release state of the hold-down. In this state, the holding frame 20 is controlled to move in the X direction by a distance corresponding to the crossover amount L, and a pattern D2 to be embroidered next is placed in the window hole 26 as shown in FIG. Can be stored. Thereafter, the tape T1 and the interlining T2 are pressed by the holding frame 20B, and sewing of the pattern D2 is started. The above control is repeated by the number of repetitions of the pattern D set previously.

FIG. 14 is an explanatory view showing the operation of the needle bar and its vertical drive parts in relation to the rotation angle of the main shaft of the sewing machine. As is clear from this drawing, the rotation angle of the main shaft of the sewing machine when the sewing machine stops is 100 degrees (the angle when the vertical drive part of the needle bar is at the top dead center is 0 degree). By issuing a jump command immediately before the sewing machine stops, the needle bar is held at the top dead center.

As described above, in the state shown in FIG. 13C, when ordinary control is performed to pierce the tape T1 and the interlining T2 with the sewing needle 16, the main shaft rotates from the position of 100 degrees, and
The needle bar is caught by the upper and lower drive parts at the time when the temperature reaches about the degree. Then, the sewing needle 16 is lowered together with the needle bar by the further rotation of the main shaft, and the needle bar reaches the bottom dead center when the rotation of the main shaft is 178 degrees. The rotation angle of the main shaft during this time is (178-100) + 360 = 438 (degrees).

On the other hand, in the present embodiment, when lowering the needle bar to the bottom dead center, the main shaft is once reversely rotated as indicated by an arrow a in FIG. In the above, the needle bar is caught by the vertical drive component.
Next, the main shaft is rotated forward as shown by the arrow b to lower the needle bar to the bottom dead center. In this case, the rotation angle of the main shaft is 100 + 178 = 278 (degrees), which is about two-thirds of the time required for the normal control. This increases the work efficiency of sewing.

Depending on the embroidery pattern, the start point S set as described above may be different from the point where sewing is actually started. In such a case, if the sewing machine is started in a state where the sewing needle 16 is at the bottom dead center, a stitch is formed between the start point S and the point where sewing is actually started. In order to avoid this, the sewing needle 16 at the bottom dead center is rotated once by rotating the main shaft in reverse before starting sewing.
May be removed from the tape T1 and the interlining T2, and then the sewing may be started by moving the holding frame 20 to a point where sewing is actually started.

For the tape T1 and the interlining T2, the tension arms 64 and 65 of the supply reels 54 and 55 and the tension arm 7 of the collection reel 68 are used.
8, a predetermined tension is applied. Then, the progress of the sewing or the holding frame 20 is changed from FIG.
When the movement is controlled as shown in FIG. 3C, the tape T1 and the interlining T2 are pulled out from the supply reels 54 and 55.
At this time, the tape T1 and the interlining T2 between the holding frame 20 and the collection reel 68 are slackened.

In this case, as described above, the tension arm 78 of the collection reel 68 is rotated by the force of the tension spring 78b, the limit switch 82 is turned on, the motor 84 starts rotating, and the tape T1 and the interlining T2 is taken up on the collection reel 68. When the slack is eliminated, the tension arm 78 rotates in the opposite direction against the force of the tension spring 78b, the limit switch 82 is turned off, and the motor 84 stops. This automatically supplies and recovers the tape T1 and the interlining T2.

While the preferred embodiment of the present invention has been described with reference to the drawings, this embodiment can be easily modified or modified without departing from the spirit of the present invention. For example, in the drawings, the structure in which both the supply reels 54 and 55 are integrally supported is illustrated, but it is naturally possible to support both individually. When the tape T1 is a material having a certain degree of rigidity, it is not always necessary to use the interlining T2.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embroidery sewing machine for tape.

FIG. 2 is a perspective view showing a holding frame for the tape together with its related members.

FIG. 3 is a plan view of FIG. 2;

FIG. 4 is an enlarged cross-sectional view in the direction of arrows AA in FIG. 3;

FIG. 5 is an enlarged sectional view taken in the direction of arrows BB in FIG. 3;

FIG. 6 is a bottom view showing a holding frame.

FIG. 7 is an enlarged front view of a support structure of both supply reels.

FIG. 8 is an enlarged front view of a support structure of the recovery reel.

9 is a longitudinal sectional view of FIG.

FIG. 10 is an enlarged view showing a part of FIG. 8;

FIG. 11 is an explanatory view showing an example of an embroidery pattern.

FIG. 12 is an explanatory diagram showing an arrangement of embroidery patterns on a tape.

FIG. 13 is an explanatory diagram showing control for sewing a plurality of predetermined patterns on a tape at regular intervals.

FIG. 14 is an explanatory view showing the operation of the needle bar and its up-down driving parts.

[Explanation of symbols]

 12 Sewing machine table 14 Sewing machine head 20 Holding frame 20A Receiving frame 20B Holding frame

 ────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Naoki Shimizu 1800 Ushiyama-cho, Kasugai-shi, Aichi F-term (reference) in Tokai Kogyo Sewing Machine Co., Ltd. 3B150 AA15 AA21 BB04 CB03 CB04 CE01 CE02 CE24 EB03 EB06 EB10 EB11 EH01 EH02 EH17 GD15 GD28 GE03 GE28 JA03 JA07 LA02 LA32 LA47 LA67 LA73 LA84 LA89 LB01 LB02 NA02 NA28 NA31 NA43 NA62 NA71 NA76 NB09 NB13 NC03 NC06

Claims (1)

[Claims] 1. An embroidery sewing machine of a type capable of sequentially embroidering a predetermined embroidery pattern in a length direction of a tape, wherein the tape is retrievable from a supply side and passed under a sewing head. The tape is held in a holding frame that is set below the sewing machine head and that is installed below the sewing machine head and controlled to move in the X and Y directions on the upper surface of the sewing machine table. The holding frame includes a receiving frame having a window hole, and a pressing frame capable of pressing or releasing the tape mounted on the receiving frame against a peripheral portion of the window hole. An embroidery sewing machine configured to apply a longitudinal tension to the tape when the tape is pressed down by the embroidery machine.