KR20000076302A - Sewing system and sewing method - Google Patents

Abstract

By sewing the knit nose of the knit base automatically, the sewing part can be equipped with loops of the knit nose, and there is no need to replace the sewing machine body according to the density of the knit nose, and it is suitable for sewing the knit base and the cloth base. It is for the purpose of providing.

A sewing machine body having a setting table 15 for fixing the sewing objects 21a and 21b, a sewing needle 18, a sewing machine bed 12 and a first servomotor 29 for moving the sewing needle up and down. (14), the X-Y table (44) having the first and second servomotors (45c, 46c) for reciprocating the sewing machine body (14) in the X-Y direction, and the sewing object (21b) surface. CCD camera 22 which accepts the image data of the image, the storage device 56 which stores the image data of the guide pattern arrange | positioned on the sewing object 21b surface, and the knitting nose (alpha) which should sew by comparing both image data. The sewing system 10 having a control device 55 which calculates the coordinates of the sewing needle 18 and the coordinates of the sewing needle 18, and instructs the sewing of the knitting nose α by moving the sewing machine main body 14.

Description

Sewing System and Sewing Method {SEWING SYSTEM AND SEWING METHOD}

Since knit yarns are manufactured by knitting yarns with knitting needles or knitting rods, a large number of knitting noses have a structure in which they are entangled in succession and are rich in elasticity. When sewing such knitted bases and manufacturing knitted products such as sweaters, for example, a sewing machine dedicated to knitted bases (hereinafter referred to as "linkin sewing machine") is used. As shown in FIG. 36, this linking sewing frame 80 is provided with the needle plate 82 which arrange | positioned the several gait needle 81 in the hair comb shape at a fixed pitch.

As shown in FIG. 37, the said step needle 81 has an L-shape provided with the step part 81a and the fixing part 81b, and this fixing part 81b is the back surface of the needle plate 82. As shown in FIG. It is fixed by welding to it. The tip of the step portion 81a is sharp and pointed, and a guide groove 81c is formed on the front surface thereof.

As shown in FIG. 38, each loop (knitting nose) 83a of one knit base 83 is sequentially suspended to each step 81 of the needle plate 82, and the other side is quilted. After each loop 84a of the knit bottom 84 is hung in turn from the opposite side, the sewing needle 85 is moved up and down to sew between the loops 83a and 84a.

That is, when the sewing needle 85 descends from the top dead center toward the bottom dead center, the needle tip advances along the guide groove 81c of the step needle 81, between the loops 83a and 84a of both knit bases. Pass through. The sewing needle 85 passes through the hole 86a formed in the surface of the sewing machine bed 86 and enters the lower side of the bed 86, and the wedge-shaped louver 87 passes through the sewing thread inserted through the four holes of the needle tip. It leads to near the blade tip 87a. The louver 87 is rotating in a constant direction, and when the sewing needle 85 enters the returning process upward, the sewing thread is captured by the blade tip 87a to form a loop, and the sewing needle 85 is next. This is maintained until it descends, and a chain seam is formed by passing a sewing thread through this loop, thereby sewing both knit bats 83 and 84.

The needle plate 82 is engaged with a relatively long mounting base 88 orthogonal to the sewing machine body, which is disposed on the front side of the bed 86. That is, the guide rail 89 is attached to the back surface of the needle plate 82 (FIG. 37), and by fitting the guide rail 89 to the guide groove 88a formed in the mounting base 88, the needle plate 82 is slide-free in the horizontal direction on the mounting base 88. As shown in FIG.

In addition, a transfer gear 90 is disposed below the needle plate 82, and the transfer gear 90 is a fixed portion 81b of the step needle 81 arranged in a rack shape on the rear surface of the needle plate 82. ) Is engaged. The transfer gear 90 is connected to a drive source of the sewing needle 85 through a conductive means such as another gear 91 or a belt (not shown), and rotates in synchronization with the shanghai movement of the sewing needle 85. Consists of. That is, each time the sewing needle 85 reciprocates, the needle plate 82 slides one pitch amount, and the next step needle 81 moves immediately below the sewing needle 85. The louver 87 is also connected to the drive source via a conduction mechanism (not shown), and is configured to rotate one turn in synchronization with the shanghai movement of the sewing needle 85.

In this manner, by sewing the knitted bases 83 and 84 in a single chain, the elasticity is secured even in both sewing portions, and thus the characteristics of the knitted product with elasticity can be well matched. In addition, since the stitches 81 of the needle plate 82 are carefully punctured and sewn the loops 83a and 84a of each knit base, the loops are neatly arranged in the sewing portion, and the design effect can of course be knitted. The background can be effectively prevented from being released from the end portion.

But we do not omit any one in order to arrange knitting loop in the sewing part mentioned above neatly. It is necessary to stick all the loops 83a and 84a to the step 81 of the needle plate 82 in order, and this work is inevitably dependent on the manual work of a skilled worker. For this reason, even if the sewing time is shortened by electrifying the drive of the linking sewing machine 80, since it is difficult to set the sewing object on the needle plate 82, there is a big limitation in improving the productivity as a whole.

Moreover, in the conventional linking sewing machine 80, it was necessary to replace the sewing machine main body in accordance with the density of the knitting nose of the knit battens 83 and 84 which are sewing objects. That is, the density of the knitting nose of the knit battens 83 and 84 is determined by the gauge of the knitting machine, and the pitch between the step needles 81 of the needle plate 82 is also adjusted to this. Moreover, the timing of the pitch of conveying the shanghai-dong and needle plate 82 of the sewing needle 85 by the sewing machine main body is fixedly fixed by the kind of the internal gear, or its combination. Therefore, when the gauges of the knit batters 83 and 84 change and the needle plate 82 fitted therewith must be replaced, the sewing machine body having a dedicated gear structure specially designed for the gauge must be replaced. And it was a big burden on facility investment.

In addition, depending on the function and design of the medical product, there is a need to sew a knit fabric rich in elasticity and a cloth fabric poor in elasticity. In such a case, when the above-mentioned linking sewing machine 80 is used, the knitting nose can be captured by the step needle 81, so that a loop can be provided in the sewing portion, and the characteristics of the knit bottom can be utilized. However, it is not suitable to use a linking sewing machine exclusively for knitwear since sewing a poorly stretched cloth batter with a chain sewing with elasticity will cause a lot of fine wrinkles on the cloth batter side.

For this reason, conventionally, the sewing of a knit batik and a cloth batik was realized by this sewing used when sewing cloth batik. This sewing is different from sewing in a single chain chain shape like a linking sewing machine, and combines the upper thread and the lower thread, and the seam does not have elasticity in order to firmly fasten the knitting nose. To form.

In this manner, when the present sewing machine is used, since fine and firm seams are formed by entanglement between the upper and lower threads, fine wrinkles do not form on the fabric side. By the way, this sewing does not have a gait step naturally, and can not sew by carefully grasping the knitting nose of the knitwear. For this reason, it was not possible to equip the neat loops neatly, to not use a rare loop as a design, and to loosen the yarn from the end portion.

Thus, conventionally, as shown in Fig. 39, when sewing the knit bottom 83 and the cloth bottom 92 with the present sewing machine, the vicinity of the end of the knit bottom 83 is folded inward in a double state and bent. This sewing process could not be performed. In this way, even if the end portion is released, the seam 93 is stopped, so that damage to the surface of the knit bottom 83 can be prevented.

However, since the thick knit base 83 is doubled at no cost, the thickness of the thick knit base 83 becomes as if the base is placed, and the natural integration of the cloth base 92 is hindered. For this reason, a big restriction was placed on the design of the said medical product.

The present invention has been made to solve the above-mentioned problems, and it is possible to securely sew the knitted nose of the knitted base without having to set the knitted nose of the knitted base at every step so as to provide a loop of the clean knitted nose at the sewing portion. The object of this invention is to realize a sewing means that can be used.

It is also an object of the present invention to provide an ideal sewing means that can cope with all knitting noses with one sewing machine body without replacing the sewing machine body with a dedicated one according to the density of the knitting nose of the knit base.

In addition, in the sewing of the knit battens and the cloth batter, there is no risk that the end portions of the knit battens are unwound even without a double fold, and an object of the present invention is to provide a sewing means which does not have fine wrinkles on the cloth batter side.

TECHNICAL FIELD The present invention relates to a sewing system and a method for sewing, and in particular, sewing with a knit bat or a knit bat, which lacks elasticity since it has a knitted nose and does not have a knitted fabric and a knitted nose. The present invention relates to a sewing system and a sewing method suitable for sewing each other.

1 is a side view showing a first sewing system according to the present invention;

2 is a plan view showing the sewing system;

3 is a partial side view showing a modification of the lower shaft structure of the sewing machine body;

4 is a front view showing an example of a fixing needle plate,

5 is a block diagram showing a control system of the sewing system;

6 is a flowchart showing the basic operation of the sewing system;

7 is a plan view showing a knit bottom as a sewing object;

8 is an enlarged view of the knit bottom,

9 is a plan view showing a state in which a guide pattern is formed by knitting waste yarn on the knit bottom;

10 is an enlarged view showing a state in which a guide pattern is formed by knitting waste yarn on the knit bottom;

11 is an enlarged view showing a state in which a guide pattern is removed after sewing of the knit bottom;

12 is an image diagram showing a state in which the guide pattern formed by the waste sand impregnated with the fluorescent paint and the resin is illuminated with black light;

Fig. 13 is a plan view showing a state where the waste yarn is knitted on the waste knitting portion of the knit bottom;

14 is a plan view showing a state in which a waste knitting portion is removed together with waste sand after sewing of the knit bottom;

15 is a plan view illustrating a sewing process of a sweater;

16 is a plan view showing a collar portion sewn on a round neck portion of a sweater,

17 is a conceptual diagram showing a sewing line of a sweater;

18 is a front view showing a state where a mark is displayed on a fixed needle plate;

19 is a schematic view illustrating a sewing method for attaching piping collars;

20 is a schematic view illustrating a sewing method for attaching piping collars;

21 is a plan view showing a seam line after completion of piping color attachment;

22 is a schematic view illustrating another sewing method for attaching piping collars;

23 is a schematic diagram illustrating a sewing method in the case of sewing a pair of knit battens;

24 is a plan view showing a seam line after completion of sewing of a pair of knit battens;

25 is a plan view showing a plate displaying a plurality of guide patterns;

26 is a schematic diagram showing an example of use of the plate;

27 is a side view showing another example of the sewing machine body;

28 is a side view showing a second sewing system according to the present invention;

29 is a plan view showing the sewing system;

30 is a plan view showing the tension fixing means of the sewing system;

31 is a plan view illustrating a process of setting a sewing object in the sewing system;

32 is a plan view illustrating a process of setting a sewing object in the sewing system;

33 is a plan view showing a process of setting a sewing object in the sewing system;

34 is a plan view illustrating a process of setting a sewing object in the sewing system;

35 is a plan view illustrating a modification of the second sewing system;

36 is a partial front view of a needle plate of a conventional sewing machine exclusively used for sewing machines from the sewing machine body side;

37 is a partial cross-sectional view showing the front end portion of the bed of the conventional knit sewing machine,

Fig. 38 is a schematic diagram showing a state in which each end loop of a pair of knit battens is stabbed in a step of a conventional knit batter sewing machine, and

Fig. 39 is a side view showing a state where a knit bat and a cloth bat are sewn by a conventional sewing machine of the present invention;

In order to achieve the above object, the sewing system according to the present invention includes at least one table for placing a sewing object, a sewing needle disposed freely in Shanghai, and a motor for vertically moving the sewing needle at an arbitrary speed. X-Y for moving the sewing machine main body for sealing the sewing object and the sewing machine main body in a direction parallel to the table, and at the same time in the direction orthogonal to the table. A shape of a transfer mechanism, an image sensor that receives image data on the side of the sewing object, a guide pattern indicative of a location to be sewn on the side of the sewing object, and a place to be sewn on the basis of the guide pattern; The storage means for storing the position and the image data sequentially received by the image sensor; At the same time, the shape of the guide pattern stored in the stage is searched, and at the same time, the coordinates at which the points to be sealed are located are sequentially calculated based on the found guide pattern. And a control means for instructing the sewing machine to move the required amount in the required direction based on the result of the calculation and to seal the points indicated by the guide pattern.

Examples of the sewing object include all kinds of sewing materials such as synthetic leather and genuine leather, as well as cloth bases made of cotton, silk, wool, synthetic fiber, and the like, in addition to the knitted base.

In the sewing system, image data of a guide pattern indicating a location to be sewn in advance in the storage means and image data of the surface of the sewing object implemented by the image sensor are compared to calculate coordinates at which a location to be sewn exists. On the basis of this result, the sewing machine body is moved to the position where it can be sewn, and since it is comprised so that the said point can be sewn automatically, the knitted garment which should be sewn according to the guide pattern is selected by selecting the knit base as the object to be sewn. When it is operated to be specified, it becomes possible to equip the loop of the knitting nose neatly in a sewing place without going through the process of catching the knitting nose of the knit bottom with a human eye and fitting it to a step by step as usual. Large efficiency can be realized.

In addition, since the amount of movement per unit time of the sewing machine body and the timing of vertical movement of the sewing needle can be freely controlled as necessary, it is necessary to replace the sewing machine body whenever the pitch of the knitting nose of the knit base changes as in the prior art. It is possible to sew knit battens of all pitches with one sewing machine body.

In addition, the sewing machine body can relatively change the positional relationship with the table on which the sewing object is placed by the X-Y transfer mechanism. This includes not only the case where the sewing machine body itself is moved by the X-Y feed mechanism, but also the case where the table side moves with the sewing machine body fixed, and also when both of them move together. That is, the purpose is to correct the position of the sewing needle of the sewing machine body and the deviation of the sewing point, the same result is obtained even if any of the sewing machine body and the table moves.

The guide pattern is formed by, for example, knitting a waste yarn on the surface of a knit cloth as a sewing object so that a knitting nose of a predetermined shape is continuous.

Or it is good also as a said guide pattern by displaying so that the figure of a predetermined shape may continue in a predetermined pitch on the plate arrange | positioned near the surface of a sewing object.

As the sewing machine body, it is preferable to use a blade having a blade having a blade tip and a lower thread housed therein. The drum rotates in synchronism with the shanghaidong of the sewing needle, and at the same time captures the upper thread carried by the sewing needle with the blade tip, and connects the lower thread to form the seam of the sewing.

When this so-called sewing machine is used, even when used for sewing knit and cloth batters, the loops on the knit batter side are also smoothly fixed without causing wrinkles on the fabric batter side, so that the end of the knit batter is doubled. There is no risk of being released.

Of course, you may use the thing provided with the louver which has a blade tip as said sewing machine body. The louver rotates in synchronism with the vertical movement of the sewing needle, and at the same time, catches the sewing thread carried by the sewing needle with the tip of the blade to form a loop, and then passes the sewing thread carried by the sewing needle next to the chain shape. To form a seam.

On the table, it is preferable to provide a fixing means for fixing the sewing object. The fixing means includes, for example, a fixing needle plate having a plurality of fixing needles arranged inside the table, and a pressing member disposed on the outside of the table and having a recess for accommodating the fixing needle. When the sewing object is fixed to the surface, the needle plate is raised to pierce the sewing object so that the fixing needle protrudes from the surface of the table, and the pressing member moves to the table surface side to store the fixing needle in the recess. At the same time, when pressing the surface of the sewing object and removing the sewing object from the table, the needle plate is lowered so that the fixed needle enters the surface of the table, and the pressing member moves in a direction opposite to the surface of the table to release the sewing object. This is true.

In this case, in the fixing needle plate, it is preferable that the group in which a plurality of relatively long fixing needles are arranged and the group in which a plurality of relatively short fixing needles are arranged are alternately arranged.

Since the fixing means is intended to simply keep the sewing object from moving during sewing application by the sewing machine body, it is not necessary to precisely arrange the knitting nose loop when fixing.

The table may be provided with a tension fixing means for fixing the sewing object with elasticity in a stretched state, and stabilization means for preventing the fixed sewing object from shifting in the sewing process.

The stretch fixing means includes, for example, a stationary fixing member having a catching needle caught on one end of the sewing object, a catching needle caught on the other end of the sewing object, and freely disposed with respect to the stretching direction, It consists of a movable fixing member which can be fixed in a required position.

As the stabilization means, for example, a fixing plate having surface adhesiveness detachably arranged on the surface of the table is applicable. Alternatively, a stabilizing means may be used which includes a plurality of intake ports formed on the surface of the table and an intake device connected to the intake ports.

Preferably, the table is provided with a pressing member for pressing the surface of the sewing object stretched to the required length by the stretching fixing means. Moreover, you may arrange | position the measurement member for measuring the length of a sewing object on the surface of the said table.

The table may be configured to include a first table provided with a stretching fixing means and a stabilizing means, and a second table having fixing means composed of a fixing needle plate and a pressing member. In this case, a needle path through which the sewing needle of the sewing machine body passes is formed between both tables.

In addition, the sewing method according to the present invention is a step of forming a guide pattern for knitting the waste yarn so that a knitting nose of a predetermined shape is continuous on the surface of the knit yarn as one sewing object, and instructing the knitting nose to be sewn, and a table Placing the other sewing object on the surface of the fabric, and superimposing the knitted fabric on the surface of the sewing object; receiving an image of the surface of the knitted fabric using an image sensor; Setting the shape of the guide pattern to be searched at the same time, setting the position of the knitting nose to be sewn on the basis of the guide pattern, and storing the result of the setting in the storage means; Scanning the surface of the surface and receiving the image data sequentially, and searching for the shape of the guide pattern stored in the storage means among the image data, A step of sequentially calculating the coordinates of the knitting nose to be sewn on the basis of the found guide pattern, and the alignment of the knitting nose to be sewn with the sewing needle of the sewing machine on the basis of the calculation result, and suture of the knitting nose It characterized in that it includes at least the step of sequentially performing.

In addition, in the case of both knit objects, the sewing object is one sewing object

Forming a guide pattern on the surfaces of the first knit bottom and the second knit bottom that is the other sewing object so that the waste yarns are knitted so that the knitting noses of a predetermined shape are continuous and instructing the knitting noses to be sewn; A step of placing the first knit bottom on the surface of the table, a step of receiving an image of the first knit bottom surface using an image sensor, and setting the shape of the guide pattern to be searched based on this image At the same time, the position of the knitting nose to be sewn on the basis of the guide pattern is set, and the result of the setting is stored in the storage means, the surface of the first knit base is scanned by an image sensor, A step of sequentially receiving image data, and of the image data, the shape of the guide pattern stored in the storage means is searched, and it is to be sealed based on the found guide pattern. A step of sequentially calculating the coordinates where the nose is located, a step of aligning the knitting needles to be sewn with the sewing needle of the sewing machine, and sequentially performing sutures preventing the knitting nose based on the calculation result; A step of superimposing the second knit bottom on the surface of the knit bottom, a step of scanning the surface of the second knit bottom by an image sensor, and sequentially receiving image data; Searching for the shape of the guide pattern stored in the means and sequentially calculating coordinates in which the knitting nose to be sewn on the basis of the position of the searched guide pattern; It is preferable to comprise so that the process of performing the alignment of the knitting nose which should be sewn, and performing the sealing of the said knitting nose sequentially is carried out.

In addition, when the guide pattern formed on the surface of the first knit bottom and the guide pattern formed on the surface of the second knit bottom differ in shape or pitch, it is necessary to update the setting in the storage means.

In other words, before moving to the stitching of the second knit bottom, a process of receiving an image of the surface of the second knit bottom using an image sensor, and setting the shape of the guide pattern to be searched based on this image. At the same time, a step of setting the positions of the knitting noses to be sewn on the basis of the guide pattern and storing these setting results again in the storage means may be added.

In addition, in the case of the sewing method in which a part of the other sewing object is sandwiched between the first piece and the second piece of the knit base, which is one sewing object, for example, like a piping collar attaching operation, Knitting the waste yarn so that the knitting nose of a predetermined shape is continuous on the surfaces of the first knitting portion and the second knitting portion, respectively, to form a guide pattern instructing the knitting nose to be sewn; and the other on the surface of the table. A step of placing the first sewing object on one surface of the sewing object, a step of receiving an image of the first single surface using an image sensor, and the image Setting the shape of the guide pattern to be searched at the same time, setting the position of the knitting nose to be sewn on the basis of the guide pattern, and storing these setting results in the storage means; A step of scanning the first piece surface by a sensor and sequentially receiving image data; and searching for the shape of the guide pattern stored in the storage means among the image data, A step of sequentially calculating coordinates in which the knitting nose to be sewn as a reference is located, and a step of aligning the knitting needle to be sewn with the sewing needle of the sewing machine based on the result of the calculation, and sequentially suturing the knitting nose. And inverting these first piece portions and the other sewing object to overlap the second piece portion with the other surface of the other sewing object, and scanning the second piece surface by an image sensor The step of receiving data sequentially, and the shape of the guide pattern stored in the storage means is searched among the image data, and the position of the searched guide pattern is determined. A step of sequentially calculating coordinates in which the knitting nose to be sewn as a reference is located, and a step of aligning the knitting needle to be sewn with the sewing needle of the sewing machine based on the result of the calculation, and sequentially suturing the knitting nose. It may be configured to include at least.

In this case, before moving to the suture of the second piece, the step of accepting the image of the second piece of surface using an image sensor and setting the shape of the guide pattern to be searched based on the image, It is of course possible to add a step of setting the positions of the knitting noses to be sewn on the basis of the guide pattern and storing these setting results in the storage means again.

Alternatively, on the surfaces of the first knitting portion and the second knitting portion, respectively, the waste yarns are knitted so that the knitting noses of a predetermined shape are continuous, and a guide pattern for instructing the knitting noses to be sewn is formed; The step of placing the first piece, and using an image sensor, implements an image of the surface of the first piece, sets the shape of the guide pattern to be searched based on the picture, and at the same time, the guide pattern. Setting a position of the knitting nose to be sewn on the basis of the reference, storing the result of the setting in a storage means, scanning the first piece surface by an image sensor, and sequentially receiving image data; In this image data, the shape of the guide pattern stored in the storage means is searched, and at the same time, the coordinates where the knitting nose to be stitched are located on the basis of the searched guide pattern are sequentially calculated. And a step of aligning the knitting needles to be sewn with the sewing needle of the sewing machine, and sequentially performing sutures for blocking the knitting nose based on the chisel and the result of the calculation, and inverting the first knitting portion, the other sewing object. And a step of overlapping the second piece, a step of scanning the surface of the second piece by an image sensor to sequentially receive the image data, and the shape of the guide pattern stored in the storage means among the image data. Simultaneously calculating the coordinates where the knitting nose to be sewn based on the position of the searched guide pattern is searched, and based on the calculation result, the alignment of the knitting needle to be sewn with the sewing needle of the sewing machine. You may comprise so that the process of performing the sealing of the said knitting nose at least may be included at least.

Also in this case, before moving to the suture of the second piece, the step of receiving an image of the surface of the second piece using an image sensor and setting the shape of the guide pattern to be searched based on this image On the basis of this guide pattern, the position of the knitting nose to be sewn may be set, and a step of storing these setting results in the storage means again may be added.

The alignment of the knitting nose to be sewn with the sewing needle of the sewing needle is realized by, for example, moving at least one of the sewing machine side and the sewing object side to at least one of the X direction and the Y direction.

The guide pattern is formed by, for example, impregnating a predetermined resin into a yarn having a color different from that of the yarn forming the knit yarn to form waste yarn, and knitting the waste yarn in the vicinity of the knitting nose to be sewn in the knit yarn. It is formed by.

A typical example is the case where waste sand is formed in black when the knit bottom is white, and waste sand is formed in white when the knit bottom is black. In the case where the knit bottom is composed of colored yarns (dyed yarns), waste yarns may be formed from natural yarns (undyed yarns). In other words, the image sensor may select a yarn of a color body in which the outline of the waste sand can be clearly recognized.

Further, by impregnating a predetermined resin and fluorescent paint, waste yarns formed so as to be distinguished from yarns constituting the knit bottom are knitted in the vicinity of the knitting nose to be sewn in the knit bottom to form the guide pattern. Also good. in this case. By illuminating the said guide pattern with a black light, the outline can be shown clearly.

The guide pattern is preferably formed by weaving chemical fibers or waste sand which is a mixture of chemical fibers and natural fibers.

It is preferable to remove the said discarded sand after completion of sewing.

In addition, in the case where the knit bottom is composed of the main knitting portion having the original knitted nose pattern of the knitted product and the waste knitting portion continuously knitted on the main knitting portion, the waste yarn is disposed in the waste knitting portion. It may be configured to form a guide pattern instructing the knitting nose to be sewn by knitting near the boundary of the present knitting portion, and to remove the waste knitting portion together with the waste yarn after completion of sewing.

You may comprise so that the said sewing object may be fixed by engaging at least one part of the said sewing object with a some fixing needle.

When the sewing line of the sewing object is divided into a plurality of areas due to the presence of a curved portion, a plurality of fixing needles arranged at a constant pitch are set by setting a plurality of marks with a predetermined gap, Each area of the object to be sewn is divided into a plurality of groups having a number of fixing needles corresponding to the degree of curvature and length of each region, and when the sewing line of the sewing object is engaged with each fixing needle. It is preferable to be configured to engage with the fixing needle belonging to the group.

EMBODIMENT OF THE INVENTION Hereinafter, the sewing system which concerns on this invention is demonstrated based on an accompanying drawing.

FIG. 1 is a side view showing the overall configuration of the first sewing system 10, and FIG. 2 is a plan view thereof.

The first sewing system 10 includes an arm 11 that is substantially horizontally crossed, a sewing machine bed 12 parallel to the arm 11, and a column 13 connecting the arm 11 and the bed 12. And a set table, which is arranged to face each other with a predetermined gap between the sewing machine body 14 made of the bottom surface and the tip of the bed 12.

As shown in FIG. 2, this table 15 is divided into the 1st setting area | region 15a and the 2nd setting area | region 15b.

At the tip of the arm 11, a head portion 16, which is slightly struck in the bed 12 side, is formed, and a needle bar 17 protrudes from the lower end of the head portion 16, and the needle bar 17 The sewing needle 18 is detachably fixed to the tip by a screw 19.

Moreover, the wood pressing wheel 20 protrudes from the lower end of this head part 16. The tool pressing wheel 20 presses the sewing objects 21a, 21b placed on the head 12 by the action of a coil spring or the like not shown from above, and the sewing objects 21a, 21b at the time of sewing. Although it plays a role in preventing this disturbance, it can also be omitted.

On the surface side of the head portion 16, a C C D camera 22 as an image sensor is attached. The focus of the C C D camera 22 is set to a portion in contact with the sewing object 21b when the sewing needle 18 sags downward. The setting position of this CD camera is not specifically limited, It is attached to the back side of the head part 16. As shown in FIG.

A predetermined lamp 23 is attached to the surface side of the head portion 16. The lamp 23 can adjust the illumination range by changing the angle of the joint portion. Instead of using such a lamp 23, a ring light may be arranged around the C C D camera 22.

Moreover, the cloth flat 24 protrudes from the surface of this head part 16.

A yarn support bar 25 and a bobbin support 26 are placed upright on the upper surface of the arm 11, and a bobbin 27 is attached to the bobbin support 26. The sewing thread 28 released from the bobbin 27 is inserted into the needle hole of the sewing needle 18 via the through-holes of the yarn supporting bar 25 and the cloth 24.

The first servo motor 29 is attached to the rear end side of the arm 11. Moreover, the drive shaft of the 1st servomotor 29 is connected to the upper shaft 30 arrange | positioned inside the arm 11 in the horizontal direction.

Moreover, inside the arm 11, the rotation sensor 31 for detecting the rotational speed and rotation speed of the upper shaft 30 is arrange | positioned. The rotation sensor 31 includes a light emitting element and a light receiving element, and the light receiving element captures light from the light emitting element that has passed through the slit of the disc 32 attached in the middle of the upper shaft 30, thereby causing the upper shaft 30 to be caught. It is a thing to detect the state of).

A crank mechanism (not shown) is built in the distal end of the upper shaft 30, and the rotational movement of the upper shaft 30 is converted to the vertical movement of the needle bar 17 through this crank mechanism.

A first bevel gear 33 is attached to the rear end side of the upper shaft 30, and the first bevel gear 33 meshes with the second bevel gear 34. The second bevel gear 34 is attached to the upper end of the transmission shaft 35 arranged longitudinally in the column 13. In addition, a third bevel gear 38 is attached to the lower end of the transmission shaft 35, and the third bevel gear 36 meshes with the fourth bevel gear 37.

The fourth bevel gear 37 is connected to the rear end of the lower shaft 38 disposed laterally in the bed 12. The drum 39 of the all-rotation type is attached to the tip of the lower shaft 38. The drum 39 has a structure substantially similar to that used in the so-called sewing machine, and consists of an outer drum having a blade tip and an inner drum freely storing a bobbin wound with a lower thread. The details are omitted since they are well known.

The driving shaft of the air cylinder 41 is connected to the back surface of the bearing member 40 which supports this lower shaft 38, and the lower shaft 38 is moved to the drum 39 by moving the driving shaft of this air cylinder 41 up and down. Each member) moves up and down along the guide members 42 and 42. The fourth bevel gear 37 meshes with the third bevel gear 36 when the lower shaft 38 moves to the uppermost portion, and is configured to be pulled out when the lower shaft 38 moves to the lowermost portion.

In order to have the above structure, when the upper shaft 30 is rotated by driving the first servo motor 29, the needle bar 17 and the sewing needle 18 start the vertical movement and at the same time, the upper shaft 30 Rotation is transmitted to the lower shaft 38 through the transmission shaft 35, the lower shaft 38 and the drum 39 is also transmitted to the lower shaft 38 through the transmission shaft 35, the lower shaft 38 and the drum 39 will also rotate. That is, in synchronism with the vertical movement of the sewing needle 18, the rotary movement of the drum 39 is realized.

In addition, in the above description, the entire lower shaft 38 moves up and down in conjunction with the vertical movement of the air cylinder 41, and the fourth bevel gear 37 and the third bevel gear 36 engage each time. The arrangement is repeated so that the lower shaft 38 is devised so that only the drum 39 is held up and down while maintaining the engagement between the fourth bevel gear 37 and the third bevel gear 36. It may be configured to exercise.

For example, as shown in FIG. 3, the lower end shaft 38a having the lower shaft 38 connected to the drum 39, the rear end lower shaft 38b connected with the fourth bevel gear 37, What is comprised by the universal joint 38c which connects the front lower side shaft 38a and the rear lower side shaft 38b is mentioned.

The rear end side lower shaft 38b is rotatably supported by the fixed bearing member 100.

In addition, the tip lower side shaft 38a is rotatably supported by the movable shaft receiving member 101.

The driving shaft of the air cylinder 41 is connected to the rear surface of the movable bearing member 101, and the lower end 38a of the tip side lower shaft 38a is guided for each drum 39 by moving the driving shaft of the air cylinder 41 up and down. While moving up and down along (42, 42), the rear lower side shaft 38b does not move up and down, so that the engagement state of the fourth bevel gear 37 and the third bevel gear 36 is maintained. will be.

Of course, since the rotational motions of the third bevel gear 36 and the fourth bevel gear 37 are transmitted to the front lower side shaft 38a via the universal joint 38c, the drum 39 has an upper shaft 30. It is possible to rotate in synchronism with the rotation of.

As shown in FIG. 2, the surface of the bed 12 is extended from side to side, and this constitutes a table 43 on the sewing machine body 14 side.

The sewing machine body 14 is mounted on the X-Y table 44 and fixed.

The X-Y table 44 includes an X-axis feed mechanism 45 for moving the sewing machine body 14 in a direction orthogonal to the table 15 and the sewing machine body 14 along the table 15. The Y-axis feed mechanism 46 for moving in the direction is provided.

The X-axis feed mechanism 45 includes a first movable part 45a connected to the bottom surface of the bed 12, a ball screw 45b engaged with the first movable part 45a, and the ball. The 2nd servomotor 45c which rotates the screw 45b, the linear motion bearing 45d, etc. are provided.

Moreover, the said Y-axis feed mechanism 46 hangs with the 2nd movable part 46a connected to the bottom face of the base part 45e of the said X-axis feed mechanism 45, and this 2nd movable part 46a. A fitted ball screw 46b, a third servomotor 46c for rotating the ball screw 46b, a linear motion bearing 46d, a base portion 46e, and the like are provided.

In the said table 15, the fixing needle plate 47 is arrange | positioned as shown in FIG. 1, and this fixing needle plate 47 is shown in FIG. It is provided with many fixing needles 48 which are installed in a straight line with a small clearance. In addition, each fixing needle 48 does not have the same dimension, respectively, and the group 49 of several long needles, and the group 50 of several short needles are alternately arrange | positioned. The length of the long hand is, for example, 2 cm, and the size of the short hand is, for example, 1 cm.

The fixing needle plate 47 is arranged to be movable up and down by an action such as an air cylinder 51 or a solenoid. When the fixing needle plate 47 reaches the best position, the fixing needle 48 is When the long needle and the short needle protrude together from the surface of the table 15 and reach the lowest position, the fixing needle 48 is set to be completely embedded in the table 15.

By removing the fixing screw 52, the fixing needle plate 47 can easily replace another fixing needle plate having a different height, thickness, pitch, or the like of the fixing needle 48. Of course, you may replace with the fixing needle plate provided with the some fixing needle 48 which has the same dimension.

In addition, the fixing needle plate 47 is disposed on the side of the first set region 15a and the side of the second set region 15b, respectively.

The pressing member 53 is arrange | positioned at the surface of the said table 15. As shown in FIG. The pressing member 53 is made of a relatively long metal shell and the like, and is disposed in the first set region 15a and the second set region 15b, respectively, as shown in FIG.

Moreover, the groove-shaped recessed part 54 extended along the longitudinal direction is formed in the lower surface, and this recessed part 54 completely fixes the groove | channel of the fixing needle 48 which protruded and stopped on the surface of the table 15. As shown in FIG. It has a storage depth.

Although not shown, the pressing member 53 is arranged to be movable up and down and back and forth by a suitable driving device such as an air cylinder or a solenoid.

The cloth bottom 21a and the knit bottom 21b as sewing objects are arranged and fixed to the table 15 in the following procedure.

First, a switch or the like not shown is operated to raise the pressing member 53 to a sufficient height and retreat to a position where the setting is not disturbed.

Next, the switch etc. which are not shown are operated, and the fixing needle plate 47 is raised to the highest position. As a result, the fixing needle 48 protrudes from the surface of the table 15, and the overlapping portion of the knit bottom 21b and the cloth base 21a is stabbed in a straight line to the bottom of the fixing needle 48. Goes.

As described above, since the fixed needles 48 are alternately arranged to form the groups 49 and 50 in the fixed needle plate 47, first, the sewing objects 21a and 21b are aligned in a straight line only at the long needles. By sticking them in a line, the sewing objects 21a and 21b are then pushed down at a time, so that the sewing objects 21a and 21b can be stabbed at a time so that the sewing objects 21a and 21b line up substantially in line with each other.

The fixing needle 48 is only for fixing the sewing objects 21a and 21b so as not to move in the sewing process, and is not intended to equip the knitting nose as in the prior art. You don't have to stick one by one exactly. In addition, the thickness of the fixing needle 48 and the diameter of the knitted nose do not have to correspond completely.

At this time, a part (sewing part) of the seed part of the sewing objects 21a and 21b is also placed on the bed 12 on the sewing machine main body 14 side.

Next, by operating a switch or the like not shown, the pressing member 53 is advanced to the top of the fixing needle 48 to the lowest position, and the surfaces of the sewing objects 21a and 21b are kept at a constant pressure. Pressurize. At this time, since the entire fixing needle 48 is accommodated in the recess 54 of the pressing member 53, the sewing objects 21a and 21b are firmly fixed by the pressing member 53 and the fixing needle 48. will be.

Further, the tool pressing wheel 20 abuts on the surface of the overlapping portions of the sewing objects 21a and 21b placed on the sewing machine body 14 side.

Arrangement and fixation of the said sewing object 21a, 21b is performed in the 1st setting area | region 15a and the 2nd setting area | region 15b of the table 15, respectively.

In the above state, the sewing machine body 14 is driven in the above-described manner to complete the sewing work on the side of the first setting region 15a, and then the pressing member 53 on the side of the first setting region 15a. To the position where the replacement of the sewing objects 21a and 21b is not hindered, and the fixing needle 48 is also stored in the table 15 to remove the object after sewing is completed and the sewing machine body 14 While the sewing operation on the side of the second setting region 15b is performed, the unsealed sewing objects 21a and 21b are fixed to the first setting region 15a in the same procedure as described above.

FIG. 5 is a block diagram showing the main part of the control mechanism of the first sewing system 10. First, the first sewing system 10 is configured to first control the controller 55 and the storage device 56. As shown in FIG. Equipped.

This control apparatus 55 is comprised by CP U, such as a programmatic controller, a microcomputer, a personal computer, an engineering workstation, etc., for example.

The storage device 56 is composed of a R O M 56 a in which the control program of the first sewing system 10 is stored, and an R A M 56 b in which data such as various setting conditions is temporarily stored.

The controller 57 of the CCD camera 22 is connected to the input side of the control device 55. In addition to the CCD camera 22, the image controller 57 has a monitor 58 or a console 59 as an input device. Or a keyboard or tenkey (not shown) are connected. In addition, the rotation sensor 31 and other various sensors 60 disposed in the sewing machine body 14 are connected to the control device 55 via the signal processing circuit 61 or the input interface 62.

On the output side of the control device 55, the first servo motor 29, the second servo motor 45c, and the third servo motor 46c through the output interface 63 and the drive circuit 64. And the drive system 65 of the air cylinder 41 are connected. In addition, various output devices 66 such as display lamp alarm buzzers are also connected to the control device 55 via the output interface 63.

Next, the basic operation of the first sewing system 10 will be described with reference to the flowchart of FIG. 6. The first setting area 15a and the second setting area 15b of the table 15 are based on the premise that the knit bottom 21b and the cloth bottom 21a are already arranged and fixed as sewing objects. Will be explained.

First, by turning on a switch (not shown) and driving the X-Y table 44, the sewing machine body 14 is moved to a position where the sewing position of the knit base 21b can be captured by the CCD camera 22. FIG. Let's do it.

Then, this implemented image is implemented through the C C D camera 22. On the basis of this implemented image, the shape of the guide pattern instructing the "knitting nose" to penetrate with the sewing needle 18 is set, and the position of the knitting nose to be sewn on the basis of the guide pattern is set. These setting results are stored in the storage device 56 (S1).

Specifically, a predetermined guide pattern is arranged in the vicinity of the knitting nose to be sewn on the surface of the knit bottom 21b in advance, and an enlarged image from the CCD camera 22 projected onto the monitor 58 is displayed. By operating the console 59 while enclosing and designating the shape of the guide pattern in the search window, and enclosing and specifying a target point in the search window in the pattern window, the knitting nose to be sewn is set. The method of setting the target "knitting nose" will be described later in detail.

Next, the starter switch (not shown) is turned on to move the sewing machine main body 14 to the left and right, and from the image data inputted from the CCD camera 22 and processed by the image controller 57, the guide pattern after completion of storage and A similar pattern is detected by the controller 55, and the pitch (gap) between each pattern is read out. The pitch information read here is stored in the storage device 56 as a reference pitch (S 2). However, instead of reading the reference pitch using the C C D camera 22 in this manner, it is also possible to directly input the numerical value of the reference pitch using an input means such as a keyboard or a ten key.

When the reading operation of the reference pitch is completed, the display lamp or the like is turned on, or a specific pitch value is displayed on the monitor 58 to notify the outside, and the sewing machine body 14 moves to the origin position (table). It moves automatically to the intermediate position of the 1st set area | region 15a and the 2nd set area | region 15b of (15).

Up to this point is the preparation step, and the sewing operation is started in earnest by turning on the automatic operation switch (not shown). First, on the basis of an instruction from the control device 55, the sewing machine main body 14 automatically moves to the sewing start position of the first setting area 15a (S 3) and temporarily stops at the same time as the air cylinder ( 41 is operated to raise the lower shaft 38 and the book 39 of the sewing machine body 14 to a sewing position.

Next, the control device 55 analyzes the image data implemented by the CCD camera 22 and subjected to image processing such as digitization and thinning in the image controller 57 and already stored. By searching for a pattern that matches the image data of the guide pattern (S4), the coordinates where the first knitting nose to be sewn is detected (S5), and the second servomotor 45c and the first The servomotor 46c of 3 is driven to move the sewing machine body 14 in the XY direction so as to reach the position where the knitting nose can penetrate the sewing needle 18 (S6).

Next, the first servomotor 29 is driven based on the command from the control device 55, and the sewing needle 18, which has passed the upper thread 28 through the needle hole, starts to descend. The sewing needle 18 penetrates through the first knitting nose of the knit bottom 21b and passes the upper thread 28 to the vicinity of the drum 39 via a hole 67 formed in the surface of the bed 12. If you do, switch to the climb there.

The book 39 starts a rotational motion in synchronization with the movement of the sewing needle 18, and when the sewing needle 18 is raised, the upper thread 28 is captured by the blade tip, and the inside of the rotation is sewn. The lower thread not shown in the figure is unwound and wound around the upper thread 28 to form a seam of the so-called sewing.

In this way, the sewing needle 18 executes one falling-rising cycle, and the drum 39 rotates twice in between, thereby sewing the first knitting nose of the knit base 21b and the cloth base 21a. Is to be completed 1 minute (S 7).

Even while the sewing operation is performed by the sewing needle 18, the control device 55 analyzes the image data transferred from the CCD camera 22, and searches for the next guide pattern (S 8). , And detection (S9) of the coordinate where the next knitting nose to be sewn is located. The difference between the reference pitch stored in advance and the coordinates actually detected is calculated, and the reference pitch is corrected based on the result of the calculation (S 10), and the sewing machine body 14 is moved to move the second knitting nose. Move to the sewing possible position (S 11). Then, the sewing needle 18 is lowered and raised to realize sewing of the knitted nose (12).

After that, the same process as described above is repeated to continue knitting the knitted nose.

Then, at the time when the preset sewing end position is detected (S 13), the control device 55 stops the operation of searching for the next guide pattern and stops the sewing operation (S 14). In addition, the air cylinder 41 is driven to lower the book 39 to its original position, and after cutting the yarns, the sewing machine body 14 is returned to the home position (S 15).

Next, by pressing the start switch again, the sewing machine main body 14 moves to the second setting area 15b side of the table 15, and stores the guide pattern for instructing the knitting nose to be sewn in the same manner as above. The sewing process is performed after the reference pitch is read.

Thus, while the sewing machine main body 14 engages in the sewing operation of the 2nd setting area | region 15b, in the 1st setting area | region 15a, the pressing member 53 is raised and the fixed needle plate ( 47) is lowered, the object after sewing is completed, and the next sewing objects 21a and 21b are set.

By repeating the above operation, sewing work can be carried out continuously with one sewing machine body 14, which is efficient.

In addition, in the above, it demonstrated on the assumption that the separate sewing objects 21a and 21b are arrange | positioned and fixed to the 1st setting area | region 15a and the 2nd setting area | region 15b, respectively, but of the same pattern In the case of sewing a plurality of knit bottoms 21b in which the knitting noses are arranged, the process of setting and storing the knitting noses to be sewn and the reference pitch reading process are performed only once for the first time, and then operated to use this data. More efficient sewing work can be realized.

During the above sewing operation, the sewing machine body 14 is continuously operated without stopping. However, at the time when the sewing needle 18 enters the ascending stroke, it becomes a low speed operation to ensure the search for the next guide pattern, and this guide pattern is detected so that the sewing needle 18 moves to the descending stroke again. It may be programmed to switch to operation. Specifically, on the basis of the output data from the rotation sensor 31 monitoring the rotational state of the upper shaft 30, the control device 55 reads the rotation angle and rotation speed of the upper shaft 30, Based on this result, it is realized by decrementing the rotational speed of the first servomotor 29.

In addition, for example, when a coordinate detected by the next knitting nose to be sewn is located more than a predetermined value is compared with the coordinate calculated on the basis of the reference pitch, it is recognized that a skipping error has occurred and the previous sewing point It may be programmed to return to and perform a rescan.

The setting and detection of the sewing start position and sewing completion position are realized as follows, for example.

First, as shown in FIG. 2, the projections 103 slidable within a certain range along the groove 102 are placed on both sides of the first setting region 15a and the second setting region 15b. At the same time, the sensors (not shown) capable of detecting the projections 103 are arranged on the sewing machine main body 14 side.

Then, after placing and fixing the sewing objects 21a and 21b in each setting area, each projection 103 is slid to a position in contact with both sides of the object.

In this way, each time the sensor on the sewing machine main body 14 detects each projection 103 accompanying the movement of the sewing machine main body 14, the sewing start position and the sewing end position can be detected.

Instead of disposing a special sensor on the sewing machine body 14 side, the shape of the projection 103 is stored in the storage device 56 through the CCD camera 22, and the sewing start position is recognized by recognizing the shape. The sewing end position may be detected.

The 1st sewing system 10 which concerns on this invention detects the part which matches the image data of the guide pattern memorize | stored in advance among the image data captured by the CCD camera 22 as mentioned above, and based on this, Accurately calculate the coordinates of the knitting nose that is the sewing object, calculate the difference from the coordinates where the current sewing needle 18 is located, and move according to the reference pitch set initially, the following knitting nose In the case where it is determined that the position cannot be reached, the main focus is to correct the course and the amount of movement that the sewing machine body 14 will advance by correcting the reference pitch.

Therefore, accurate grasping of the guide pattern by the C C D camera 22 is the most important key for realizing the present invention.

Originally, the CCD camera 22 used here captures the outline pattern of an object, but the knitting nose of the knit bottom 21b is not necessarily provided with a clear outline pattern. The nose is shaped like a faint outline or wet.

In addition, as shown in Fig. 7, since there are a large number of similar knitting noses β above and below a plurality of knitting noses α indicated by imaginary black spots among the knitted battens 21b having a constant knitting nose, For example, even if the pattern of the loop forming one "knitting nose" is stored, it is difficult to accurately extract the next knitting nose α to be sewn while the sewing machine main body 14 runs, and as a result, the knitting nose α is obtained. It becomes impossible to sew in a straight line.

In order to solve this problem, as shown in Fig. 9, in the row immediately below where the knitting nose α to be sewn is lined up, a noticeable color such as the opposite color of the background color of the knit bottom 21b is provided. By dipping in a predetermined resin solution (e.g., a molten fibrous resin in a solvent such as alcohol), one waste yarn 68 can be clearly distinguished from the yarn constituting the knit bottom 21b. When forming the knit bottom 21b, only a half course (in some cases, one course) is knitted in advance to form a dummy pattern that becomes a guide cover, and the guide pattern 69 is to be sewed to be sewn. It is advantageous to specify the knitting nose α.

Specifically, the console 59 is operated while viewing the magnified image from the CCD camera 22 projected onto the monitor 58, and as shown in FIG. 10, the guide pattern 69 made of waste yarn 68 is shown. The search window 70 encloses an area surrounding a portion of the left and right knitting noses with the search window 70, centering on the single knitting nose of).

Next, in the search window 70, the pattern window 71a is aligned with the knitting nose α to be targeted, and the position of the knitting nose α to be sealed is determined based on the knitting nose of the guide pattern 69. .

In FIG. An example in which the knitting nose α positioned immediately above the apex of the triangular knitting nose is set as a target is shown.

The control device 65, among the image data implemented at every moment through the CCD camera 22, the knitting nose (α) which should be sewn slightly above the top of the guide pattern 69 surrounded by the search window 70 first. ) Is assumed to exist and the coordinates are calculated.

Since the waste yarn 68 contains resin, it is hardened slightly, As a result, the knitting nose of the guide pattern 69 is formed in substantially triangular shape as mentioned above. In the knit bottom 21b in which a relatively flexible and rounded loop is continuous, a triangular knitted nose does not exist except the guide pattern 69 in which the waste yarn 68 is knitted, and furthermore, the waste yarn 68 ) Is dyed with the opposite color of the yarn constituting the knit bottom 21b, so that the guide pattern 69 becomes very prominent and is captured by the CCD camera 22 reliably.

Moreover, since each guide pattern 69 is arranged so that the triangular vertices of each triangular shape are always located near the knitting nose α to be sewn, the sewing needle 18 is aimed at the vertex above the guide pattern 69. As long as it lowers, the error of closing the knitting nose (beta) which should not be knitted by mistake does not occur, and the knitting nose (alpha) can be sealed in a straight line.

Since the dummy guide pattern 69 knits only one waste yarn 68 in half as described above, it can be easily taken out after sewing and does not impair the design of the knitted product.

If the yarn waste is removed by cutting off the knit bottom 21b along the line X in Fig. 10, as shown in Fig. 11, the loop 104 of the knit bottom 21b can be neatly provided at the sealed place. Moreover, between each loop 104, it is surely tightened by the seam line 105, without omission of one knitting nose.

In addition, in FIGS. 7-11, description of the cloth sewing machine 21a which is another sewing object was abbreviate | omitted in order to make understanding easy, In fact, the state where the knit clothes 21b and the cloth sewing machine 21a were already overlapped. It goes without saying that the setting of the guide pattern 69 and the automatic sewing are performed.

By the way, there are various kinds of patterns of the knitting nose, such as plain knitting (plain knitting), rubber knitting, pearl knittting, and each knitting method has a distinction between the surface and the back, and the thickness of the yarn Because of the wide variety of materials, many varieties are considered for the knit bottom 21b.

On the other hand, in the formation of the guide pattern 69, as the peggy yarn 68, the surface hair is short and the knitting nose is clearly recognized, and furthermore, it is made of a material which is easy to pull out. It is preferable to knit into the flat knitting which can form the knitting nose of the shape which is easy to do.

Any yarn may be used as long as the above conditions are satisfied, but as a general rule, it is preferable that the waste yarn 68 is constituted by yarn made of chemical fibers (for example, "puron") or mixed yarn of chemical fibers and natural fibers rather than natural fibers. .

In addition, it is not necessary to necessarily set as a target which should sew the knitting nose (alpha) which exists in the vicinity of the apex of the above-mentioned triangular guide pattern 69. For example, in the case of sewing in the opposite direction, the knitting nose α 'to be sealed may be set by matching the pattern window 71b to the lower portion of the vertex of the guide pattern 69 (Fig. 10).

In other words, it is only necessary to specify the position of the knitting nose to be sewn using the guide pattern 69 as a clue.

As described above, the waste yarn 68 forming the guide pattern 69 is not a conventional yarn, but a yarn hardened to some extent by dipping in a predetermined resin solution, so that the guide pattern 69 is used. It is possible to give a certain degree of shaping to the shape, and the contour appears sharply compared with the case of using a conventional yarn, and the shapes between the guide patterns 69 are different due to wetting or stretching. Can be kept to a minimum. As a result, the recognition rate by the C C D camera 22 can be dramatically increased.

In addition, when the guide pattern 69 is illuminated by the lamp 23 attached to the outside of the head portion 16, the guide pattern 69 becomes clearer, and the recognition rate can be improved.

The color of the waste yarn 68 is not limited to the opposite color of the knit bottom 21b as described above, and other colors may be selected as long as it can be clearly distinguished from the knit bottom 21b.

Further, the waste yarn 68 is selected to be dipped in a solution in which the fluorescent paint and the resin are dissolved, and the waste yarn 68 is knitted to form a guide pattern 69, and at the same time, the head portion 16 As the lamp 23 attached to the outside, a black light may be used to illuminate the guide pattern 69 with the black light.

In this way, when the waste yarn 68 including the fluorescent paint is illuminated with black light, as shown in Fig. 12, the guide pattern 69 emits light, so that the outline is extremely clear. Can increase the recognition rate.

In the above description, an example in which the waste yarn 68 is knitted on the side remaining as the final product in the knit bottom 21b and the waste yarn 68 is pulled out after sewing is described, but the present invention is not limited thereto.

That is, as shown in FIG. 13, the knitted base 21b remains as a final product (hereinafter referred to as "the present knitting portion 106"), and is subsequently knitted and sewn on the present knitting portion 106. In the case of a part to be discarded afterwards (hereinafter referred to as "waste knitting portion 107"), the waste yarn 68 is disposed on the side of the waste knitting portion 107 and with the present knitting portion 106. The guide pattern 69 may be formed by knitting near the boundary.

In this case as well, the waste yarn 68 may be dyed in the same color as the base color of the knit bottom, or impregnated with fluorescent paint, and have a substantially triangular pattern with a pitch corresponding to the pitch between the loops to be sealed. It is knitted to be continuous.

In FIG. 13, the knitting nose (alpha) which should be sealed is set above the grain stem part between each triangle formed by waste sand.

Then, the sewing machine main body 14 is operated to sew between the knitting noses α, and then the knitting yarn is pulled out from the end of the waste knitting portion 107, as shown in FIG. Both surfaces can be sealed in a shape in which the loop 104 of the knit bottom 21b is cleanly provided on the surface of 21a).

As shown, since each of the loops 104 and 104 is securely sealed by the seam line 105 without missing the knitting nose, even if the waste knitting portion 107 is pulled out and loosened as described above. Knitted portion 106 does not release

In addition, for convenience of illustration, the present knitted portion 106 and the waste knitted portion 107 are drawn in the same pattern, but in reality, the present knitted portion 106 side has a more elaborate seam pattern, surface and back surface than required as a product. While having a complicated combination of, the waste knitting portion 107 side is formed of the simplest flat knitting, including waste yarn 68. This is to increase the recognition rate by the C C D camera 22 by simplifying the shape of the knitting nose constituting the guide pattern 69 as much as possible.

When the above sewing system is used, by the action of the CCD camera 22, the control device 55, the storage device 56, the first servomotors 29 to the third servomotor 46c as an image sensor, Since the knitting nose (α) to be sewn automatically can be picked up and sewn accurately, it is not necessary to exactly stick the knitting nose to the step of the needle plate as in the prior art, and the sewing work of the knit bat can be extremely efficient.

In addition, since the waste yarn 68 knitted as the guide pattern 69 is literally pulled out after sewing is completed, the image recognition by the CCD camera 22 is merely performed regardless of the original knitting nose pattern of the knit bottom 21b. It has the advantage of being able to organize with only the ease in mind.

For this reason, the knit bottom 21b (this knitting part 106) side has the added value which has complex organizational knitting (rubber knitting or pearl knitting, the combination of many surfaces and back surfaces, etc.), without receiving any design restrictions. It can be made high.

On the other hand, if the knitting nose 22 of the knit bottom 21b is to be captured by the CCD camera 22 without introducing such a guide pattern 69, it is possible to prevent knit errors anyway. The organization of the base 21b is inevitably simplified.

It is also effective to revisit the conventional sewing procedure in order to make the application range of this groundbreaking first sewing system 10 as wide as possible.

For example, conventionally, when sewing a round neck sweater, both shoulders were knitted by fitting the front length and the back length, then the collar portion was sewn round, and both sleeve portions were finally sewn.

On the other hand, as shown in FIG. 15, only the one shoulder part 74a of the back length 72 and the front length 73 is sewn first, and then the end 72a and the front length of the back length 72 are first sewn. After pulling the end portion 73a of the 73 in the opposite direction to extend the round neck portion 75 in a straight line shape, the collar portion 76 as shown in FIG. ), And then sewn the remaining shoulder portion 74b and the ends of the collar portion 76 and then sewn the sleeve portion is proposed.

Conventionally, after sewing both shoulder portions to complete the round neck portion, the collar portion is sewn along the circumference, which is very difficult to knit, and thus the sewing system according to the present invention follows this conventional procedure. Can not be effectively used, but as described above, by devising a sewing method, a more efficient sewing operation can be realized using the present invention.

However, when sealing the collar portion 76 to the round neck portion 75 on the length side, it is necessary to perform both positioning (dimension alignment).

That is, since the length side is abundant in flexibility, when the round neck portion 75 is stretched in a straight line depending on the force and set in the fixed needle 48, the length of the collar portion 76 does not match the horizontal dimension of the collar portion 76.

Further, even if the dimensions between the end portions 72a and 73a of the round neck portion 75 and the horizontal dimension of the collar portion 76 formally match, the problem remains. That is, as shown in FIG. 17, even if the round neck portion 75 is in a word, the sewing line 108 actually has a curved portion and a portion close to a straight line. Therefore, it is divided into a plurality of areas. For this reason, when the collar portion 76 is temporarily overlapped with the round neck portion 75 stretched in a straight line as it is, it is detached from the fixing needle 48 and the round neck portion 75 recovers its original shape. At this time, there is a possibility of wrinkles around the curved portion.

To solve this problem, the following method is effective.

For example, in the case where the electric pole of the round neck portion 75 and the full length of the collar portion are 34 cm, a 16 cm collar portion ab is lubricated in the area between the ABs of the round neck portion 75 and between BC. 6 cm of color (bc) in the area, 2 cm of color (cd) in the area between the CD, 2 cm of color (de) in the area between the DE and 2 cm of area in the area between the EF. It is assumed that if the collar portion ef is assigned to the collar portion fg of 6 cm in the area between the FGs, the collar portion 76 can be bent well and be sewn to the round neck portion 75 without being wrinkled. (Figures 16 and 17).

In this case, as shown in FIG. 18, the mark Ma-Mg corresponding to A-G of the round neck part 75 is previously previously attached to one surface of the fixing needle plate 47 with chalk etc. Of course, , Mark (Ma to Mb) is set to 16 cm, Mb to Mc and Mf to Mg 6 cm, Mc to Md, Md to Me and Me to Mf is set to 2 cm.

Next, one end portion (A) 72a of the round neck portion 75 is stuck to the fixing needle 48a at the place where the mark Ma of the fixing needle plate 47 is attached, and then the back length 72 and The connecting portion B of the front length 73 is fixed to the fixing needle 48b of the mark Mb, and the starting point C of the first curved portion of the front length 73 is fixed to the mark Mc. At 48c, the end point D of the first curved portion is set at the fixing needle 48d of the mark Md, and the start point E of the second curved portion of the front length 73 is marked at Me. Mark the end (F) of the second curved portion to the fixing needle (48f) of the mark (Mf), and the other end (G) 73a of the round neck portion (75) to the fixing needle (48e) of the mark ( Mg) sticks to the fixing needle 48g, respectively.

Finally, one end of the collar portion 76 is stuck to the fixing needle 48a of the mark Ma, the other end is stuck to the fixing needle 48g of the mark Mg, and the pressure member 53 is pushed down. In the state, automatic sewing using the first sewing system 10 is performed.

In this manner, marks Ma to Mg are set at intervals necessary for the fixing needle plate 47, and the areas of the collar portion 76 are formed in each area of the round neck portion 75 based on the marks Ma to Mg. By assigning the dimensions, it is possible to sew the collar portion 76 well in a curved shape without being wrinkled to the length side even if automatic sewing is performed.

In sewing, of course, the knitting pattern to be sewn by capturing the guide pattern 69 made of the waste yarn 68 previously knitted on the collar portion 76 by the CCD camera 22 is accurately calculated, In order to be surely sewn, it is possible to neatly arrange the knitting nose loop of the collar portion 76 at the boundary with the body.

In the case of this sewing method, the width | variety which fits each area | region of the round neck part 75 to each mark (Ma-Mg) attached to the fixing needle plate 47 is caught, and it is only several places, and the round neck part 75 is carried out. No need to stab in the knitting needles in turn one by one in the knitting nose, so it is not very troublesome work.

Next, a method of applying the first sewing system 10 according to the present invention to a sewing operation by sandwiching a so-called piping collar or the like will be described.

Piping collar attachment means the 1st of the collar member 109, when the collar member which knits a pair of single knitting parts from the one end side of one piece of a knit base is sewn to the neck part of a length, for example, as shown in FIG. After the end of the length 112 is sandwiched between the piece 110 and the second piece 111, both pieces 110 and 111 and the length 112 are tied and sewn in a quilted shape.

In addition, the piping collar is also used in the case where the flat knit knit bottom is double folded, and the end portion of the length 112 is sandwiched between the first and second ones resulting therefrom. Included in the attachment.

In such a case, it is possible to capture the guide pattern 69 of the second piece 111 located on the surface with the CCD camera 22, but the guide pattern 69 of the first piece 110 located inside is possible. Cannot be captured by the CCD camera 22.

For this reason, if it is sewn in the quilted state by automatic sewing using image processing as it is, even if it does not omit one between the knitting noses of the 2nd knitting part 111, it will be sewed exactly and it will be sewn into the knitting nose of the 1st knitting part 110. As for the blind knitting, it becomes impossible to pick out the knitting nose correctly.

As a result, when the waste knitting portion 113 of the first knitting portion 110 is released after sewing, there is a possibility that the knitted portion 114 originally to be left beyond the seam line is released.

Of course, once the automatic sewing from the surface side, and then flipped over and repeating the same process, since the knitting nose of the first knitting portion 110 can be accurately captured and sewn, the present knitting portion 114 is released. The problem is solved, but this time, two seam lines appear on the second piece 111 located on the surface side, and since one of them does not accurately capture the knitting nose, the appearance is bad, and as a knitted product The value of the goods will be seriously impaired.

In the related art, a person's hand pinches the knitting nose of the first knitting portion 110 and the knitting nose of the second knitting portion 111, and the “second knitting portion 111—the length of the body is precisely stuck. (112)-Since the first piece 110 was closed at one time, the above problems did not occur, but the improvement in production efficiency was not expected.

Therefore, a new sewing method that makes it possible to perform piping collar attachment by using the first sewing system 10 according to the present invention is proposed below.

First, as shown in FIG. 20, the first sewing method folds the second piece 111 of the collar member 109 and not overlaps the first piece 10 and the end of the body. It is placed on the bed and the table, and fixed by the fixing needle 48 and the pressing member 53.

Then, the guide pattern 69 knitted on the surface of the first knitting portion 110 is image-recognized by the CCD camera 22, and the first knitting portion 110 and the length of the end of the body 112 with the sewing needle 18 are formed. Automatic sewing is performed.

Next, the length 112 and the collar member 109 are reversed, and the second piece 111 is placed on the surface side of the length 112 to be in the state shown in FIG. 19 and knitted on the second piece 111. The guide pattern 69 is image-recognized by the CCD camera 22, and automatic sewing of the "second piece 111-length 112-the first piece 110" is performed.

When the waste knitting portion 113 is removed after this automatic sewing, as shown in FIG. 21, two seam lines 105 and 105 appear on the first knitting portion 110, and one of them is a loop. The result is an incomplete seam line that doesn't pick out, since it hides inside the garment, so there's no risk of losing its value as a product.

Although not shown, it goes without saying that only one seam line is shown on the second piece 111 exposed to the outer side of the garment.

In addition, as a result of being sealed twice between the first piece 110 and the length 112, a secondary effect is also expected that the bonding strength between the collar member 109 and the length 112 is increased by that amount.

In the second sewing method, as shown in FIG. 22, the second piece 111 of the collar member 109 is folded, and the sewing machine bed and the table on which only the first piece 110 is not shown are shown. Place it on, and fix it with the fixing needle 48 and the pressing member 53.

Then, the guide pattern 69 knitted on the surface of the first knitting unit 110 is image-recognized by the CCD camera 22, and the sewing needle 18 is automatically interposed between the knitting nose loops of the first knitting unit 110. Sewing.

In this manner, first, the knitted nose is firmly blocked between the knitted nose loops on the side of the first knitting part 110 to secure a state in which no loosening occurs.

Next, the collar member 109 is turned upside down, the end of the length 112 is sandwiched between the second piece 111 and the first piece 110 to be in the state of FIG. 19, and the second piece 111 is placed. ) The guide pattern 69 knitted on the surface is image-recognized by the CCD camera 22, and automatic sewing of the "second piece 111-length 112-the first piece 110" is performed.

In this case as well, two seam lines 105 and 105 appear on the first piece 110 of the collar member 109 (FIG. 21), and one seam on the second piece 111. Since only the line appears, the product value as a knitted product can be maintained.

In addition, the sewing method is also applicable to the sewing sewing other than with the piping collar, yaw, it is widely applicable when the other sewing object is sandwiched between a pair of knit base and sealed.

For example, in the case of sealing the prosthetic collar (around the button and the buttonhole) in a cardigan or the like, in the case of sewing a reinforcement part in an opening of a pocket, or in a slit portion (an opening under the armpit) of the body If this is the case.

By the way, as shown in FIG. 23, a pair of knit bases (the 1st knit base 115 and the 2nd knit base 116) are piled up, and it sutures using the said 1st sewing system 10. FIG. In this case, it is possible to capture the guide pattern 69 of the second knit bottom 116 located on the outside with the CCD camera 22, but the guide pattern of the first knit bottom 115 located on the inside ( It is impossible to capture 69 by the CCD camera 22.

For this reason, when sewing by automatic sewing using image processing as it is, even if the seams of the 2nd knit bottom 116 are sewn correctly without missing a knitting nose, about the knit nose of the 1st knit bottom 115, It becomes blind knitting, and it becomes impossible to pick out the knitting nose correctly.

As a result, when the waste knitting portion 115a of the first knit bottom 115 is released after sewing, there is a risk that the knitted portion 115b, which should be left over, is left beyond the seam line. In order to solve this problem, it is effective to apply the aforementioned second sewing method.

That is, first, only the first knit bottom 115 is placed on the sewing machine bed and the table, and fixed with the fixing needle 48 and the pressing member 53.

Then, the guide pattern 69 punched on the surface of the first knit bottom 115 is image-recognized by the C C D camera 22, and the sewing needle 18 is automatically sewn between the loops of the knitting nose.

In this manner, first, a state in which the knitting nose is firmly blocked between the knitting nose loops on the side of the first knit bottom 115 is secured.

Next, after superimposing the second knit bottom 116 on the surface of the first knit bottom 115, the guide pattern 69 knitted on the surface of the second knit bottom 116 is attached to the CCD camera ( 22) Image Recognition and Automatic Sewing.

After sewing, the waste knit portions 115a and 116a of the first knit and second knit bases are unwound and taken out, respectively, and as shown in FIG. 24, the main knit portion 115b of the first jitter base and the like. Joining is performed in a state where most of the seams of the present knit side 116b of the second knit bottom are not visible.

In addition, two seam lines 105 and 105 appear on the inner surfaces of the first knit bottom 115 and the second knit bottom 116. Since only one seam line appears on each surface, and the seam line on the side of the first knit bottom 115 is mostly inconspicuous, the product value as a knit product is not lowered.

When using this sewing method, a pair of knits are sewn together without leaving a duplicate part (knitting margin), so that the seams are closed invisibly for the most part, so that the toe of the socks or the heel of the socks, It is most suitable for the line attachment of the cuffs of the sweater, the shoulder shin sewing.

In the above, the example which used this 1st sewing system 10 for sewing cloth and knit garments, and sewing knit knit garments was shown, It can also be used for sewing cloth knits which do not have a knitting nose. .

In this case, when a pair of cloth bases are placed on the table 15 in a state where the fixing needle plate 47 is lowered, only the pressing member 53 is fixed without raising the fixing needle plate 47 to fix the cloth plate. do.

Alternatively, when using a needle plate 47 having a very thin fixing needle 48 that does not leave a scratch on the cloth, the needle plate 47 is raised to insert the fixing needle 48 into the cloth plate to fix it. You may also

In the case of sealing the cloths in this manner, the waste sand forming the guide pattern cannot be knitted on the cloth base side in advance. Instead, as shown in FIG. 25, the plate on which the guide pattern is displayed is shown. 120 may be used.

On this plate 120, the figures of the circle 121, the triangular 122, the quadrilateral 123, and the hexagon 124 are continuously displayed in the horizontal direction at a predetermined pitch, and guided for each figure. Consists of patterns.

The pitch of the first guide pattern 125 formed by the continuation of the circle 121 is wider than the pitch of the second guide pattern 126 formed by the continuation of the triangle 122, and the square 123 is 123. It is set narrower than the pitch of the 3rd guide pattern 127 comprised by the continuation of (). Moreover, the 4th guide pattern 128 comprised by the continuation of the hexagon 124 has an irregular pitch.

As shown in FIG. 26, this plate 120 is arrange | positioned in the vicinity of the cloth bases 129 and 130 which are sewing objects, such as the upper surface of the press member 53, for example.

And the CCD camera 22 arrange | positioned above this plate 120 tracks the continuous 1st guide pattern 125 of the circle 121, for example, and is a fixed distance from each circle 121, for example. Is set in advance as the point γ where the Z coordinate is to be closed, the automatic sealing can be performed at the same pitch as that of the first guide pattern 125.

In addition, when changing the sewing pitch, it may be set to track another guide pattern composed of the triangle 122 or the quadrangle 123 with the C C D camera 22.

In addition, when the irregular pitch is changed, the fourth guide pattern 128 composed of the hexagons 124 is set to be tracked.

Of course, instead of setting the sewing pitch by reading the guide pattern on the plate 120 by the C C D camera 22, it is also possible to input and set the pitch directly from the tenkey or the keyboard.

As shown in FIG. 27, as the sewing machine body 14, a wedge-shaped louver 77 having the same wedge-shaped louver 77 as described in the prior art example was used instead of the drum 39, and the chain shape was used. The first knit bottom 115 and the second knit bottom 116 as the sewing object may be sealed with a seam.

The louver 77 rotates in a constant direction in synchronism with the shanghai east of the sewing needle 18, and at the same time captures the sewing thread 28 carried by the sewing needle 18 with a blade tip to form a loop, and the sewing needle Keep this until (18) comes down to the next, carry the sewing needle 18 in this loop, and then pass through the sewing thread 28 to form a chain seam, and knit knits 115 and 116 It is to suture.

In addition, since the structure other than attaching the louver 77 to the tip of the lower shaft 38 instead of the drum 39 does not differ fundamentally from the said embodiment, the same code | symbol is attached | subjected and the description is abbreviate | omitted.

In the first sewing system 10, the sewing machine main body 14 is configured to move the sewing needle 18 and the knitting nose to be sewn by moving in the X-Y direction. The alignment may be performed by moving the table 15 in the X-Y direction. The sewing machine body 14 side may be moved in either X-Y direction and the table 15 side may be moved in the remaining direction X-Y.

Moreover, instead of sewing the sewing object fixed on the table 15 while moving the sewing machine main body 14 along the table 15 by the X-Y table 44, it is provided in a human hand or a table side. You may operate so that a sewing object may be sewed while sequentially unwinding a sewing object to the sewing machine main body 14 side by a tool | tool feed mechanism. In this case, the sewing machine main body 14 moves in the X-Y direction only for the alignment (fine adjustment) of the knitting nose to be sewn with the sewing needle 18.

In addition to using a circular table as a table, and using a shape of a curved shape along the circumference as a fixing needle plate or a pressing member, and fixing the sewing object along the circumference of the circular table, the circular table is rotated or The above alignment may be realized by moving the sewing machine main body side along the circumference.

28 and 29 show another second sewing system 131 according to the present invention.

The second sewing system 131 includes a sewing machine body 132, a first set table 133, and a second set table 134.

The configuration of the sewing machine body 133 is approximately equivalent to the sewing machine body 14 of the first sewing system 10. That is, the sewing machine body 132 includes an arm 11, a sewing machine bed 135 parallel to the arm 11, and a pillar 13 connecting the arm 11 and the bed 135. .

In addition, a head portion 16 is formed at the tip of the arm 11, and a needle bar 17 protrudes from the lower end of the head part 16, and a sewing needle 18 is formed at the tip of the needle bar 17. ) Is fixed.

Inside the head portion 16, a C C D camera 22 is attached.

At the tip of the head portion 16, a ring-shaped black light 136 is attached.

Moreover, the cloth flat 24 protrudes from the front surface of this head part 16.

A yarn support bar 25 and a bobbin support 26 are placed upright on the upper surface of the arm 11, and a bobbin 27 is attached to the bobbin support 26. The upper thread 28 for sewing released from the bobbin 27 is inserted into the needle hole of the sewing needle 18 via the through hole of the yarn support bar 25 and the cloth flat 24.

The first servo motor 29 is attached to the rear end side of the arm 11.

Moreover, the drive shaft of the 1st servomotor 29 is connected to the upper shaft 30 arrange | positioned inside the arm 11 in the horizontal direction.

Moreover, inside the arm 11, the rotation sensor 31 for detecting the rotational speed and rotation speed of the upper shaft 30 is arrange | positioned. The rotation sensor 31 is provided with a light emitting element and a light receiving element, and the light receiving element captures light from the light emitting element that has passed through the slit of the disc 32 attached in the middle of the upper shaft 30, thereby causing the upper axis ( The state of 30) is detected.

A crank mechanism (not shown) is built in the tip portion of the upper shaft 30, and through this crank mechanism, the rotational movement of the upper shaft 30 is converted into the vertical movement of the needle bar 17.

A first bevel gear 33 is attached to the rear end side of the upper shaft 30, and the first bevel gear 33 meshes with the second bevel gear 34. The second bevel gear 34 is attached to the upper end of the transmission shaft 35 arranged longitudinally in the pillar 13. Although not shown, a third bevel gear is attached to the lower end of the transmission shaft 35 in the same manner as the sewing machine main body 14 of the first sewing system 10. Is engaged with the fourth bevel gear.

This fourth bevel gear is in contact with the rear end of the lower shaft 38 disposed laterally in the bed 135. Moreover, the front rotary drum 39 is attached to the tip of this lower shaft 38.

The drive shaft of the air cylinder 41 is connected to the inner surface of the bearing member 40 which supports this lower shaft 38, and the lower shaft 38 is moved northward by moving the drive shaft of this air cylinder 41. Each of the 39 elements is movable up and down along the guide members 42 and 42. The fourth bevel gear meshes with the third bevel gear when the lower shaft 38 moves to the uppermost portion, and is configured to be off when the lower shaft 38 moves to the lowermost portion.

In order to provide the above structure, when the upper shaft 30 is rotated by driving the first servo motor 29, the needle bar 17 and the sewing needle 18 start the vertical movement and at the same time, the upper shaft 30 The rotation of is transmitted to the lower shaft 38 through the transmission shaft 35, the lower shaft 38 and the drum 39 is also rotated. In other words, in synchronization with the vertical movement of the sewing needle 18, the rotational movement of the drum 39 is realized.

The sewing machine body 132 is placed on the X-Y table 44 and fixed.

Moreover, the 1st table 133 is arrange | positioned at the surface side of the bed 135 of this sewing machine main body 132. As shown in FIG. A constant gap 137 is secured between the inner surface of the first table 133 and the surface of the sewing machine bed 135.

The sewing machine body 132 is movable by the X-axis feed mechanism 45 of the X-Y table 44 in the direction orthogonal to the first table 133, and at the same time, the Y-axis feed mechanism. It is possible to move in the horizontal direction along the first table 133 by the reference numeral 46.

In addition, since the other structure of the X-Y table 44 is substantially the same as what was demonstrated about the 1st sewing system 10, the above description is abbreviate | omitted.

The 1st table 133 and the 2nd table 134 are arrange | positioned and fixed by substantially equal height, and the clearance gap (needle 138) for the sewing needle 18 to pass is formed between both.

On the surface of the second table 134, a metering member 139 extending along the needle 138 is provided. A scale for measuring the length of the sewing object is engraved on the surface of the metering member 139.

Moreover, the fixing needle plate 47 is arrange | positioned on the surface of the 2nd table 134, The fixing needle plate 47 is a number of fixed needles (similar to FIG. 4 or FIG. 18). 48).

The fixing needle plate 47 is arranged to be movable up and down by an action such as an air cylinder 51 or a solenoid. When the fixing needle plate 47 reaches the best position, the fixing needle 48 The silver protrudes from the surface of the second table 134 and is set so that the fixing needle 48 is completely embedded in the second table 134 when the lowest position is reached.

In addition, the pressing member 53 is disposed on the surface of the second table 134. The pressing member 53 is made of a relatively long metal shell or the like.

Moreover, the lower surface is formed with the groove-shaped recessed part 54 extended along a longitudinal direction, and this recessed part 54 can accommodate the fixing needle 48 which protruded and stopped to the surface of the table 15 completely. It has a depth.

On the surface of the first table 133, a rectangular fixing plate 140 is disposed along the needle 138. One end side of the fixing plate 140 is connected to the attachment plate 141, and the attachment plate 141 is freely fixed on the first table 133 by screws. The fixing plate 14 is made of a material having a fixed surface adhesiveness such as vinyl or rubber.

In addition, a slide groove 143 is formed on the surface of the first table 133 in parallel with the needle guide 138. At one end of the slide groove 143, a stop fixing member 144 is provided. It is installed. In addition, the movable fixing member 145 is freely engaged with the slide groove 143. These stop fixing members 144 and movable fixing members 145 are combined to function as stretching fixing means.

From the stop fixing member 144, as shown in FIG. 30, a pair of L-shaped engagement needles 146 and 146 protrude in the direction of the fixing plate 140 with a predetermined gap, respectively. Similarly, the pair of engaging needles 146 and 146 protrude from the movable fixing member 145 in the direction of the fixing plate 140.

The fixing screw 147 is screwed on the upper surface of the movable fixing member 145, and the movable fixing member 145 is fixed at an arbitrary position on the slide groove 143 by tightening the fixing screw 147. By loosening, it becomes slideable.

Above the first table 133, a bar-shaped pressing member 148 parallel to the pressing member 53 is placed. The pressing member 148 and the pressing member 53 are integrated by the connecting members 149 and 149.

In addition, although not shown, these connecting members 149 and 149 are arranged to be movable up and down and back and forth by a suitable driving device such as an air cylinder or a solenoid.

In addition, the structure demonstrated in the said 1st sewing system 10 is applied also to this 2nd sewing system 131 as it is, or after performing a necessary correction except the case where it clearly contradicts.

For example, this second sewing system also has the same control mechanism as that shown in Fig. 5 (i.e., the storage device 56 and the CCD camera 22 made up of the control device 55, the ROM 56a, and the RAM 56b). Image controller 57, monitor 58, console 59, and the like.

The basic operation of the second sewing system 131 is also common to the basic operation of the first sewing system 10 described with the flowchart of FIG. 6.

Moreover, the method of forming the guide pattern 69 in a sewing object is also applied as it is.

In addition, the controller 55 detects the position of the knitting nose α to be sewn with the CCD camera 22 on the basis of the guide pattern 69, and then the sewing needle 18 of the sewing machine body 132 is detected. The method of automatic sewing by calculating the difference with the position, and moving the sewing machine main body 132 in the X-Y direction to solve this problem is also applied to the second sewing system 131.

Based on FIGS. 31-34, the procedure which sets the collar member 109 (piping collar) and the length 112 as a sewing object to the 1st table 133 and the 2nd table 134 is demonstrated. . For convenience of illustration, the description of the sewing machine body 132 and the X-Y table 44 is omitted in FIGS. 31 to 34.

First, as shown in FIG. 31, one end of the first piece 110 of the collar member 109 is attached to the engaging needles 146 and 146 of the stop fixing member 144 of the first table 133. At the same time as the stab, the other end is stabbed to the engaging needles 146 and 146 of the movable fixing member 145. At this time, the pressing member 53 is avoided behind the second table 134 so as not to disturb the work. Also, the pressing member 148 is also avoided on the second table 134 side for the same purpose.

Next, as shown in FIG. 32, the movable fixing member 145 is moved along the slide groove 143 in the opposite direction (left direction). Then, the first piece 110 of the collar member 109 is stretched and the movable fixing member 145 is fixed by tightening the fixing screw 147 at a point of time reaching the predetermined length. To what extent it is stretched, the metering member 139 disposed on the second table 134 becomes a reference.

Next, as shown in FIG. 33, the round neck portion of the body 112 is covered on the first piece 110 from the second table 134 side, and the stop fixing member 144 is disposed at both ends thereof. And the engaging needles 146 and 146 of the movable fixing member 145. At this time, the alignment (dimension alignment) of each area | region of a round neck part and the collar member 109 is performed using the metering member 139 arrange | positioned at the 2nd table 134. As shown in FIG.

Next, as shown in FIG. 34, the second piece 111 of the collar member 109 is covered with the round neck portion of the length 112, and the stop fixing member 144 and the movable fixing member at both ends thereof. Stick the engagement needles 146, 146 of 145.

At this point, the pressing member 53 and the pressing member 148 move forward, respectively, and then descend. As a result, the length 112 is hung on the plurality of fixing needles 48 and is fixed by pressing from the top by the pressing member 53. Moreover, the part in which the 1st piece part 110 of the collar member 109, the round neck part of the length 112, and the 2nd piece part 111 overlapped is press-fixed by the pressing member 148.

After setting the collar member 109 and the length 112 to the 1st table 133 and the 2nd table 134 as mentioned above, the sewing machine main body 132 moves to the left along the needle | rod 138. Moving to, the automatic sewing using the CCD camera 22 is performed.

In this case, it goes without saying that the guide pattern 69 is formed in advance on the surface of the second piece 111 of the collar member 109.

Moreover, it is natural that knitting nose blockage sewing is performed previously on the 1st knitting part 110 side.

In the second sewing system 131, the both ends of the object to be sewn are fastened to the engaging needles 146 and 146 of the stationary fixing member 144 and the movable fixing member 145 as described above, and then the movable fixing member ( Since it is possible to slide and stretch the 145, the setting of the elastic-rich sewing object such as a knit bat is facilitated.

In addition, since the metering member 139 is provided on the second table 134, the amount of stretching can be easily controlled and used for alignment with the other sewing object.

Further, the overlapping portion of the object to be sewn is pressed from above by the pressing member 148, and at the same time, the lowermost layer of the overlapping portion (the first piece 110 of the color member 109) due to the presence of the fixing plate 140. This slippage can be prevented and the sewing portion can be stabilized.

The fixing plate 140 is not limited to a special vinyl or rubber, and may be any material as long as it is a material (a material having a high coefficient of friction) that can prevent slippage of the sewing object. For example, a surface fastener or the like is applicable.

When the automatic sewing is performed several times using the fixing plate 140, fine debris of the sewing object adheres to the surface, so that the fixing performance gradually decreases.

In this case, the fixing plate 140 may be replaced for each mounting plate 141 by loosening the screws of the mounting plate 141. In the case where the fixing plate 140 is made of vinyl, rubber, or the like, even if the fixing performance decreases, it is possible to recover the fixing force by washing, and can be used repeatedly many times.

35 shows a modification of this second sewing system 131. Instead of using the fixing plate 140, this method employs a method of preventing displacement of the sewing object by using suction force of air.

That is, although not illustrated, a cavity is formed in the first table 133, and a plurality of inlet ports 150 are formed at regular intervals on the surface thereof in communication with the cavity.

The intake apparatus 152 is connected to the cavity through the intake pipe 151.

After the sewing object is set on the first table 133, when the intake apparatus 152 is operated, the sewing object is sucked into the intake port 150, and the position shift during automatic sewing is effectively avoided. .

By using the sewing system and the sewing method according to the present invention, the knitting nose to be sewn on the knit bottom can be automatically captured by the action of the image sensor, the storage means, and the control means as described above. Therefore, it is possible to cleanly knit the loops of the knitting nose in the sewing portion without going through the process of capturing the knit nose of the knit base and engaging the step stitches one by one, thereby realizing a great efficiency of the sewing operation.

In addition, in the sewing system according to the present invention, the moving speed, the moving amount of the sewing machine body, and the timing of the vertical movement of the sewing needle can be freely adjusted. There is no need to replace the main body, and the sewing machine can sew knit battens of any pitch.

In addition, when the main sewing machine having a drum which houses the lower thread is selected as the sewing machine main body, even when used for sewing the knit bottom and the cloth base, the cloth base side is not finely wrinkled, and the knitted nose loop of the knit base is also prepared. Can be.

Claims (26)

At least one table for placing a sewing object, A sewing machine main body having a sewing needle disposed freely in Shanghai-dong, and a motor for moving the sewing needle up and down at an arbitrary speed, and sutures the sewing object; An X-Y feed mechanism for moving the sewing machine main body in a direction parallel to the table and at the same time moving the required amount in a direction orthogonal to the table, An image sensor which receives the image data on the sewing object side; Memory means for storing a shape of a guide pattern indicating a location to be sealed arranged on the sewing object side and a position of a location to be closed set based on the guide pattern; and From the image data sequentially received by the image sensor, the shape of the guide pattern stored in the storage means is searched, and the coordinates where the points to be sealed are located are sequentially calculated based on the found guide pattern. Calculate the difference between the coordinates and the coordinates at which the sewing needle of the sewing machine main body is currently placed, and move the sewing machine main body in the required direction based on the result of the calculation, and perform the sewing of the point indicated by the guide pattern. Control means, Sewing system characterized in that provided with. The fixed table according to claim 1, wherein the table is composed of a fixed needle plate disposed inside the table and provided with a plurality of fixed needles, and a pressing member provided outside the table to accommodate the fixed needle. Equipped with means, When fixing the sewing object to the surface of the table, the needle plate is raised so as to poke the sewing object so that the fixing needle protrudes from the surface of the table, and the pressing member moves to the surface of the table so that the fixing needle is recessed. Pressing the surface of the sewing object at the same time as storing in the And the needle is lowered so that the fixed needle enters below the surface of the table, and the pressing member moves in a direction opposite to the surface of the table to release the sewing object. The sewing system according to claim 2, wherein in the fixing needle plate, a group in which a plurality of relatively long fixing needles are lined up and a group in which a plurality of relatively short fixing needles are lined up are alternately arranged. The table according to any one of claims 1 to 3, wherein the table includes a tension fixing means for fixing the sewing object having elasticity in a stretched state, and a fixed sewing object for preventing the position from shifting during the sewing process. A sewing system comprising a stabilization means. 5. The tension fixing device according to claim 4, wherein the tension fixing means comprises a stationary fixing member having an engagement needle that is caught on one end of the sewing object, an engagement needle that is caught on the other end of the sewing object, and moves freely with respect to the stretching direction. At the same time, the sewing system comprising a movable fixing member that can be fixed to the required position. The sewing system according to claim 4 or 5, wherein the stabilization means comprises a fixing plate having surface adhesiveness disposed freely on a surface of the table. The sewing system according to claim 4 or 5, wherein the stabilization means comprises a plurality of intake ports formed on the surface of the table, and an intake apparatus connected to the intake ports. 8. The sewing system according to any one of claims 4 to 7, wherein the table is provided with a pressing member for pressing the surface of the sewing object stretched to the required length by the stretching fixing means. The sewing system according to any one of claims 1 to 8, wherein a measuring member for measuring the length of the sewing object is arranged on the surface of the table. 10. The table according to any one of claims 1 to 9, wherein the table comprises a first table having a tension fixing means and a stabilizing means, and a second table having a fixing means consisting of a fixing needle plate and a pressing member. It is made, the sewing system, characterized in that the needle needle passing through the sewing needle of the sewing machine body is formed between the two tables. The sewing system according to any one of claims 1 to 10, wherein said yarn is made into said guide pattern by knitting waste yarn on a surface of a knit batter as a sewing object so that a knitting nose of a predetermined shape is continuous. The sewing system according to any one of claims 1 to 10, wherein the guide pattern is formed by displaying a predetermined shape of graphics on a plate arranged near the surface of the sewing object so as to continue at a predetermined pitch. 13. The sewing machine according to any one of claims 1 to 12, wherein the sewing machine main body includes a book having a blade tip and a lower thread housed therein, the book being rotated in synchronism with the vertical movement of the sewing needle. A sewing system characterized by forming the sewing seam by capturing the conveyed upper thread with the blade tip and attaching the lower thread to the upper thread. The sewing machine according to any one of claims 1 to 12, wherein the sewing machine main body includes a louver having a blade tip, and the louver rotates in synchronism with the shanghai movement of the sewing needle, and the sewing thread carried by the sewing needle is A sewing system characterized by forming a loop by capturing with a blade tip, and passing a sewing thread conveyed by a sewing needle next to this loop to form a wedge-shaped seam. Forming a guiding pattern on the surface of the knit yarn as one sewing object so that the knitting yarns of a predetermined shape are continuous and instructing the knitting nose to be sewn; Placing the other sewing object on the surface of the table and at the same time superimposing the knit base on the surface of the sewing object; A process of receiving an image of the knit surface using an image sensor, Setting the shape of the guide pattern to be searched on the basis of the image, setting the position of the knitting nose to be sewn on the basis of the guide pattern, and storing these setting results in the storage means; Scanning the surface of the knit bottom by an image sensor and sequentially receiving image data; A step of sequentially searching for the shape of the guide pattern stored in the storage means in this image data, and simultaneously calculating coordinates in which the knitting nose to be sewn on the basis of the searched guide pattern is located; Based on the result of the calculation, a step of aligning the sewing needle of the sewing machine with the knitting nose to be sewn, and sequentially sewing the knitting nose; Sewing method comprising at least. In the sewing method of sewing the 1st knit base which is one sewing object, and the 2nd knit base which is another sewing object, A process of knitting waste yarns on the surfaces of the first knit and the second knit bats so that a knitting nose of a predetermined shape is continuous to form a guide pattern indicating the knitting nose to be sewn; Placing the first knit base on the surface of the table; A process of receiving an image of the first knit surface using an image sensor, Setting the shape of the guide pattern to be searched on the basis of the image, setting the position of the knitting nose to be sewn on the basis of the guide pattern, and storing these setting results in the storage means; Scanning the surface of the first knit base by an image sensor and sequentially receiving image data; A step of sequentially searching for the shape of the guide pattern stored in the storage means in the image data and sequentially calculating coordinates in which the knitting nose to be sewn on the basis of the found guide pattern is located; Based on the result of the calculation, a step of aligning the knitting nose to be sewn with the sewing needle of the sewing machine, and sequentially performing nasal stitching of the knitting nose; A step of laminating the second knit bottom on the surface of the first knit bottom, Scanning the surface of the knit bottom by an image sensor and sequentially receiving image data; A step of sequentially searching for the shape of the guide pattern stored in the storage means in the image data, and simultaneously calculating the coordinates where the knitting noses to be stitched are located based on the position of the searched guide pattern; Based on the result of the calculation, a step of positioning the knitting nose to be sewn with the sewing needle of the sewing machine, and sequentially sewing the knitting nose; Sewing method comprising at least. In a sewing method in which a part of the other sewing object is sandwiched between a first piece and a second piece of a knit base that is one sewing object, and sewn, Forming a guide pattern on the surfaces of the first knitting portion and the second knitting portion so as to continuously knit waste yarns in a predetermined shape, and instructing a knitting nose to be sewn; Placing the other sewing object on the surface of the table, and simultaneously fitting the first piece to one surface of the sewing object; Receiving an image of the first one-side surface by using an image sensor; Setting the shape of the guide pattern to be searched on the basis of this image and setting the position of the knitting nose to be sewn on the basis of the guide pattern, and storing these setting results in the storage means; Scanning the first single-sided surface by an image sensor and sequentially receiving image data; A step of sequentially searching for the shape of the guide pattern stored in the storage means in this image data, and simultaneously calculating the coordinates where the knitting nose to be stitched is located based on the position of the searched guide pattern; Based on the result of the calculation, a step of positioning the knitting nose to be sewn with the sewing needle of the sewing machine, and sequentially sewing the knitting nose; A step of inverting these first piece portions and the other sewing object to overlap the second piece portion with the other side of the other sewing object; Scanning the second single-sided surface by an image sensor and sequentially receiving image data; A step of sequentially searching for the shape of the guide pattern stored in the storage means in the image data, and simultaneously calculating the coordinates where the knitting noses to be stitched are located based on the position of the searched guide pattern; A step of aligning the knitting nose to be sewn with the sewing needle of the sewing machine on the basis of the calculation result, and sequentially sewing the knitting nose; Sewing method comprising at least. In a sewing method in which a part of the other sewing object is sandwiched between a first piece and a second piece of a knit base that is one sewing object, and sewn, Forming a guide pattern on the surfaces of the first knitting portion and the second knitting portion so as to continuously knit the waste yarns in a predetermined shape to form a guide pattern for instructing the knitting nose to be sewn; Placing the first piece on the surface of the table; Receiving an image of the first one-side surface by using an image sensor; Setting the shape of the guide pattern to be searched on the basis of the image, setting the position of the knitting nose to be sewn on the basis of the guide pattern, and storing these setting results in the storage means; Scanning the first single-sided surface by an image sensor and sequentially receiving image data; A step of sequentially searching for the shape of the guide pattern stored in the storage means in the image data and sequentially calculating coordinates in which the knitting nose to be stitched is located based on the found guide pattern; Based on the result of the calculation, a step of aligning the knitting nose to be sewn with the sewing needle of the sewing machine, and sequentially performing the nasal stitching of the knitting nose; A step of inverting the first piece and overlapping the other sewing object and the second piece; Scanning the second single-sided surface by an image sensor and sequentially receiving image data; A step of sequentially searching for the shape of the guide pattern stored in the storage means in the image data, and simultaneously calculating the coordinates where the knitting noses to be stitched are located based on the position of the searched guide pattern; Based on the result of the calculation, a process of aligning the puncture nose to be sewn with the sewing needle of the sewing machine, and sequentially suturing the knitting nose; Sewing method comprising at least. 19. The method according to any one of claims 15 to 18, wherein the alignment of the knitting nose to be sewn with the sewing needle of the sewing machine includes at least one of the sewing needle side and the sewing object side of the sewing machine in at least one of the X direction and the Y direction. A sewing method characterized in that it is realized by moving. 20. The yarn according to any one of claims 15 to 19, wherein a yarn having a color different from that of the yarn forming the knit batter is impregnated with a predetermined resin to form the waste yarn. A method of sewing, characterized in that the knitting pattern in the vicinity of the knitting nose to be sewn to form the guide pattern. 20. The knitted yarn according to any one of claims 15 to 19, wherein the waste yarn formed so as to be distinguished from the yarns constituting the knit bottom is impregnated with a predetermined resin and a fluorescent paint. A method of sewing, characterized in that the knitting is performed in the vicinity to form the guide pattern, and the illumination pattern is illuminated by black light. 22. The sewing method according to any one of claims 15 to 21, wherein the waste sand is removed after sewing is completed. 22. The fabrication apparatus according to any one of claims 15 to 21, wherein the knit base is composed of a main knitting part having a knit product original knitting nose pattern, and a waste knitting part continuously knitted on the main knitting part. And forming a guide pattern instructing the knitting nose to be sewn by knitting the waste yarn near the boundary with the main knitting portion in the waste knitting portion, and removing the waste knitting portion together with the waste yarn after sewing is completed. A sewing method characterized by the above. 24. The sewing method according to any one of claims 15 to 23, wherein the guide pattern is formed by weaving waste fibers composed of chemical fibers or a mixture of chemical fibers and natural fibers. The sewing method according to any one of claims 15 to 24, wherein the sewing object is fixed by engaging at least a part of the sewing object with a plurality of fixing needles. The method of claim 25, wherein the sewing line of the sewing object is divided into a plurality of areas by the presence of a curved portion, By setting the plurality of marks at a predetermined interval, the plurality of fixing needles arranged at a constant pitch are divided into a plurality of grooves provided with a number of fixing needles corresponding to the degree of curvature and length of each region of the sewing object. When engaging the sewing line of the said sewing object to each fixed needle, And each region of the object to be sewn is engaged with a fixing needle belonging to a corresponding groove.