JPH08117465A - Button darning device - Google Patents

Abstract

PURPOSE: To correspond to various kinds of button darning with difference in the number of buttons, distance between holes and arrangement of each hole for a first button and a second button in a button darning device by which the first and second buttons are sewn on each face of sewing cloth. CONSTITUTION: This device is equipped with a data input means which inputs the position information of each hole of two buttons, and a judging means which judges the combination of each hole based on the position information. Also, a first XY table 20 provided with a first button fixing machine 27, first driving means 9, 10 and a first XY table control means, and a second XY table 30 provided with a second button fixing machine 38, second driving means 11, 12 and a second XY table control means are installed separately, respectively. A moving instruction is issued to the first driving means 9, 10 and the second driving means 11, 12, respectively so as to move the hole of the first button 17 and that of the second button 18 to a sewing part by the first XY table control means and the second XY table control means according to the combination of the holes decided by the judging means.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a buttoning device for sewing a first button and a second button such as an upper button on the front side of a coat and a force button on the lining side to each side of a sewing cloth. It is a thing.

[0002]

2. Description of the Related Art For example, when a button is sewn on a coat, a force button on the lining side is also sewn at the same time, and such a button attaching device, as shown in FIG.
Input means 61, CPU (Central Procedures)
sing Unit: central processing unit) 62 (including XY table control means 63), X-axis servo driver 64,
An X-axis motor 65, a Y-axis servo driver 66, and a Y-axis motor 67 are provided. Although not shown in this figure, as is well known, an XY table is connected to the ends of the X-axis motor 65 and the Y-axis motor 67 via a drive mechanism, and the first button on the front material side and the lining side on the lining table are connected to the XY table. A well-known button fixing machine for arranging and fixing the second buttons so that the holes of the respective buttons face each other is provided.

In the conventional button attachment device, the shape of the button input by the input means 61, in particular, the number of holes of the button and the distance between the holes is read by the CPU 62, and this CPU 62 is read.
At, the transfer data of the XY table is transferred to the XY table control means 63. Then, the XY table control means 63 issues respective instructions to the X-axis servo driver 64 and the Y-axis servo driver 66 to drive the X-axis motor 65 and the Y-axis motor 67, and the upper button and the force button on the front side. The two buttons fixed to the button fixing machine were sewn to a cloth such as a coat by controlling the operation of the XY table for fixing the two.

[0004]

However, in the conventional buttoning device, the upper button 71 and the force button 73 as shown in FIG. 8 are fixed on one and the same XY table as described above. As shown in the drawing, the number of the holes 72, 72, 72, 72 of the upper button 71 and the holes 74, 74, 74, 74 of the force button 73 (in the illustrated example, four holes each)
If the distances a and b between the holes are the same (a = b), and all the holes of the first button 71 and the second button 73 are not fixed and arranged so as to face each other, the button attachment However, it takes time for the worker to perform difficult work such as aligning the positions of the holes. That is, there is a problem in that it is not possible to cope with a variety of button attachments in which the number of holes of the upper button and the force button, the distance between the holes, and the arrangement of each hole are different.

Therefore, an object of the present invention is to attach a wide variety of buttons, such as the upper button and the force button, in which the number of holes in the first button and the second button, the distance between the holes, and the arrangement of the holes are different. It is to provide a button attachment device that can handle such a situation.

[0006]

In order to solve the above-mentioned problems, the present invention provides a data input means for inputting positional information of each hole of a first button and a second button, and the first button. A first button fixing machine for fixing, a first XY table having the first button fixing machine, first driving means for driving the first XY table, and a second button fixing machine for fixing the second button, A second XY table having the second button fixing machine, a second drive means for driving the second XY table, and holes for the first button and the second button based on the position information of the holes, respectively. And a first XY table for issuing a movement command to the first driving means so as to move the hole of the first button to the stitched portion in accordance with the combination of the holes determined by the determination means. A control means and a second XY table control means for issuing a movement command to the second driving means so as to move the hole of the second button to the stitched portion in accordance with the combination of the holes determined by the determination means. It features a configuration.

The data input means may, for example, use the position information of the plurality of holes of each of the first button and the second button, which have been input, as the first button and the second button. It has a function of issuing an instruction command to invert to the determination means and an instruction means for instructing to issue the instruction command to the determination means.

Further, the first button and the second button are an upper button on the front side and a force button on the lining side. For example, each of the means, devices and table has an upper needle bar and a lower needle bar. The sewing machine is equipped with a stitch sewing machine that delivers needles between them for sewing.

[0009]

According to the present invention, the first button fixing the first button
The first XY table having the button fixing machine is a combination of holes determined by the determination means for determining the combination of the respective holes of the first button and the second button input to the data input means. According to the first XY table control means, the first drive means is driven by the movement command to operate and control the hole of the first button to move to the suture portion, and the second button is fixed. The second XY table having the two-button fixing machine is sewn to the second button hole by driving the second drive means by the movement command from the second XY table control means according to the combination of holes similarly determined by the determination means. Since the number of holes, the distance between the holes, and the arrangement of each hole are different, the first button and the second button can be operated in such a manner that they are moved to different parts. Even in the suit, button sewing can be performed.

A function of issuing an instruction command for inverting the position information of the plurality of holes of the input first button and the input second button between the first button and the second button to the determination means. By using the data inputting means having the above, even if the buttons are exchanged between the first button and the second button, the data inputting means causes the instruction means to invert the positional information between the buttons so that the instruction command is executed. Issued to the judging means, the first
The position information of the hole of the button and the position information of the hole of the second button are replaced, and the position information of the holes of the corresponding two buttons is obtained, and there is no need to input again.

Further, by providing the button attachment device provided in the stitch sewing machine for delivering the needle between the upper needle bar and the lower needle bar for sewing, the upper button on the front side and the force button on the lining side are automatically operated. Can be sewn on.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the button attachment device according to the present invention will be described below with reference to FIGS. First, FIG. 1 is a block diagram of an XY table drive system in a button attaching device according to the present invention. As shown in the figure, the button attaching device according to the present invention includes a data input means 1, a CPU 2 (first XY).
Table control means 3, second XY table control means 4, determination means 100), first X-axis servo driver 5,
First Y-axis servo driver 6, second X-axis servo driver 7, second Y-axis servo driver 8, first X-axis servo motor 9 and first Y-axis servo motor 10 as first driving means, second X-axis as second driving means Servo motor 1
1st and 2nd Y-axis servomotor 12, encoder (XY
A table movement timing input unit) 13 is provided.

That is, the buttoning device according to the present invention is applied to the stitch sewing machine, and the force input as the first button for sewing and the force as the second button which is input to the data inputting means 1 is used. Position information of button hole,
That is, the CPU 2 reads the number of holes, the center coordinates of the holes with respect to the center of the button, and the like, and the determining unit 100 calculates the
The CPU 2 transfers the position data of each XY table to the first XY table control means 3 and the second XY table control means 4 based on the positions, distances, and combinations of the holes of the upper button and the force button determined by the determination means 100. . Then, the first XY table control means 3
Issues respective commands to the first X-axis servo driver 5 and the first Y-axis servo driver 6. The first X-axis servo driver 5 drives the first X-axis servo motor 9,
The first Y-axis servo driver 6 drives the first Y-axis servo motor 10 to position the first XY table for the upper button, which will be described later, in correspondence with the sewing position.

Further, the second XY table control means 4 issues respective commands to the second X-axis servo driver 7 and the second Y-axis servo driver 8. The second X-axis servo driver 7 drives the second X-axis servo motor 11 to drive the second
The Y-axis servo driver 8 includes a second Y-axis servo motor 12
Is driven to position the second XY table for force buttons, which will be described later, in correspondence with the sewing position. As is well known, the movement of the first XY table and the second XY table is performed by the XY table movement timing input unit 1 by the encoder.
CPU2 (determination means 100)
Is read and calculated, and when the movement position does not interfere with the needle, the CPU 2 issues a command from the determination means 100 to the first XY table control means 3 and the second XY table control means 4, respectively, so as to take timing. In addition, the data input means 1 stores the positional information of the plurality of holes of each of the input upper button and force button,
The determination unit 100 has a function of issuing an instruction command to invert between the upper button and the force button.

Next, the first XY table 20 shown in FIG.
The configuration of the second XY table 30 will be described. First, in FIG. 2, 14 is an upper needle bar, 15 is a lower needle bar, 16 is a needle, 17 is an upper button, and 18 is a force button. As is well known, the upper needle bar 14 is connected to the upper needle bar drive mechanism of the sewing machine, and the lower needle bar 15 is connected to the lower needle bar drive mechanism of the sewing machine. The upper needle bar 14 and the lower needle bar 15 are used for sewing.
Is moved up and down, and the needle 16 is alternately caught by the upper needle bar 14 and the lower needle bar 15, respectively.

The first XY table 20 is composed of an X-direction table 21 that moves in the left-right direction (X direction) and a Y-direction table 24 that moves in the front-rear direction (Y direction). That is, the X-direction table 21 is the first X
The rotation of the X-axis ball screw 22 connected to the drive shaft of the axial servomotor 9 causes the pair of X-direction guide rods 23 and 2 to rotate.
3 along the X direction. The X-direction guide rods 23, 23 are fixed on the Y-direction table 24.

This Y-direction table 24 is rotated by a Y-axis ball screw 25 connected to the drive shaft of the first Y-axis servomotor 10 to rotate the Y-direction table 24 into a pair of Y-direction guide rods 26, 2.
6 along the Y direction. Further, the X-direction table 21 is integrally provided with a first button fixing machine 27, and the first button fixing machine 27 can fix the upper button 17 in a bifurcated hand.

The second XY table 30 has the first XY table.
It is arranged below the XY table 20, and is composed of an X-direction table 31 that moves in the left-right direction (X direction) and a Y-direction table 34 that moves in the front-rear direction (Y direction). That is, the X-direction table 31 is rotated by the X-axis ball screw 32 connected to the drive shaft of the second X-axis servomotor 11, and the pair of X-direction guide rods 33, 3 is rotated.
3 along the X direction. The X-direction guide rods 33, 33 are fixed on the Y-direction table 34.

The Y-direction table 34 is rotated by a Y-axis ball screw 35 connected to the drive shaft of the second Y-axis servomotor 12 to rotate the Y-direction table 34.
6 along the Y direction. Further, the X-direction table 31 is integrally provided with a second button fixing machine 38. The second button fixing machine 38 is located below the first button fixing machine 27 and has a bifurcated hand. The force button 18 can be sandwiched between and fixed.

Next, the sewing operation of the button attachment device by the sewing machine having the first XY table 20 and the second XY table 30 having the above-mentioned configuration will be described with reference to the control flowchart shown in FIG. First, referring to FIG. 4 showing an example of how to attach a button, AB is an upper button and BB is a force button. In the following examples, the threading method is AB1 → BB1 → BB2 → AB2 →
It is performed in the order of AB3 → BB3 → BB4 → AB4 → AB1.

Prior to the above button attachment, the sewing manufacturer first inputs the number of holes of the upper button 17 and the force button 18 to be sewn, the center coordinates of the holes with respect to the center of the button, etc. to the data input means 1 ( Step S1). That is,
In the example of FIG. 4, the holes AB1, AB2, AB of the upper button AB
3, including the position data including the number of AB4 and the center coordinates of the hole with respect to the center of the button, and including the number of holes BB1, BB2, BB3, BB4 of the force button BB and the center coordinate of the hole with respect to the center of the button. Enter the position data.

Then, the CPU 2 reads the position information of the holes of the upper button 17 and the force button 18 to be sewn inputted to the data input means 1 and calculates them (step S).
2). That is, in the example of FIG.
The positions, distances, and combinations of holes of the holes AB1, AB2, AB3, AB4 of the upper button AB and the holes BB1, BB2, BB3, BB4 of the force button BB are determined.

After that, the judging means 100 transfers the position information of each XY table 20, 30 to the first XY table control means 3 and the second XY table control means 4 (step S3). Then, the first XY table control means 3 and the second XY table control means 4 respectively set the positions of the first XY table 20 and the second XY table 30 to the first position based on the combination of the first holes determined by the determination means 100. Sewing position, ie hole AB of upper button AB
1 and the hole BB1 of the force button BB coincide with each other, and the stitches are moved so as to reach a position where the two holes coincide (step S4).

That is, the first XY table control means 3 issues respective commands to the first X-axis servo driver 5 and the first Y-axis servo driver 6. The first X-axis servo driver 5 drives the first X-axis servo motor 9 to move the X-direction table 21 to the X-axis by rotating the X-axis ball screw 22.
Move in the direction. The first Y-axis servo driver 6 drives the first Y-axis servo motor 10 to move the Y-direction table 24 in the Y-direction through the rotation of the Y-axis ball screw 25 to move the first XY table 20 (X-direction table 21). The upper button 17 which is sandwiched and fixed by the provided first button fixing machine 27 is positioned at the first sewing position.

Further, the second XY table control means 4 issues respective commands to the second X-axis servo driver 7 and the second Y-axis servo driver 8. The second X-axis servo driver 7 drives the second X-axis servo motor 11 to move the X-direction table 31 in the X direction via the rotation of the X-axis ball screw 32. The second Y-axis servo driver 8
The second Y-axis servomotor 12 is driven to move the Y-direction table 34 in the Y-direction through the rotation of the Y-axis ball screw 35, and the second XY table 30 (X-direction table 3
The force button 18, which is sandwiched and fixed by the second button fixing machine 38 provided in 1), is positioned at the first sewing position.

Then, in the next step S5, the first
It is determined whether or not the XY table 20 and the second XY table 30 are in the first sewing position. If the XY table 20 and the second XY table 30 are not in the first sewing position, the process returns to step S4 to repeat the above process,
If it is in the first sewing position, the process proceeds to the next step S6. In this step S6, the needle is moved from top to bottom. That is, in the example of FIG. 4, the needle is moved from the hole AB1 of the upper button AB to the hole BB1 of the force button BB to pass the thread.

Subsequently, the first XY table control means 3 and the second XY table control means 4 cause the determination means 100 to operate.
The second sewing position determined by (the hole A of the upper button AB
B2 and the hole BB2 of the force button BB are aligned with each other, and the two holes are aligned with the stitched portion), the first XY table 2
0 and the position of the second XY table 30 are adjusted (step S7). Then, it is determined whether or not the first XY table 20 and the second XY table 30 are in the second sewing position (step S8). If not, the process returns to step S7 to repeat the above process, If it is in the second sewing position, then the needle is moved from the bottom to the top (step S9). That is, in the example of FIG. 4, the needle is moved from the hole BB2 of the force button BB to the hole AB2 of the upper button AB to pass the thread.

Subsequently, the first XY table control means 3 and the second XY table control means 4 cause the determination means 100 to operate.
3rd sewing position determined by (the hole A of the upper button AB
B3 and the hole BB3 of the force button BB are aligned with each other, and the two holes are aligned with the stitched portion), the first XY table 2
0 and the position of the second XY table 30 are adjusted (step S10). Then, it is determined whether or not the first XY table 20 and the second XY table 30 are at the third sewing position (step S11). If not, the process returns to step S10 to repeat the above process,
If it is in the third sewing position, the needle is moved from top to bottom this time (step S12). That is, in the example of FIG. 4, from the hole AB3 of the upper button AB to the hole BB of the force button BB.
Move the needle to 3 and thread the thread.

Subsequently, the first XY table control means 3
And the second XY table control means 4 uses the determination means 1
At the fourth sewing position (the position where the hole AB4 of the upper button AB and the hole BB4 of the force button BB match and the two holes match the stitching portion) determined by 00. The positions of the 2XY table 30 are adjusted (step S13). Then, the first XY table 20
Then, it is determined whether the second XY table 30 is at the fourth sewing position (step S14). If it is not at the fourth sewing position, the process returns to step S13 to repeat the above process, and the fourth sewing position. If it is in the position, this time, the needle is moved from bottom to top (step S15). That is, in the example of FIG. 4, from the hole BB4 of the force button BB to the hole A of the upper button AB.
Move the needle to B4 and thread the thread.

As described above, the above sewing is performed by the upper needle bar 1
4 and the lower needle bar 15 move up and down, respectively, and the needle 16 is alternately caught by the upper needle bar 14 and the lower needle bar 15, respectively.
Each movement of 0 and 30 is calculated by reading data input from the XY table movement timing input unit 13 by the encoder in the CPU 2, and when it is a movement position where it does not interfere with the needle, from the determination means 100 to the first XY table control means. 3 and the second XY table control means 4 respectively. Then, it is judged whether or not the number of times of sewing as described above has reached the determined number of times of sewing (step S16). If the number of times of sewing has not reached the determined number of times, the process returns to step S4 to repeat the subsequent processing, When the number of times of sewing has been reached, the processing ends. The order in which the needles pass is the opposite of the above.
The order may be from bottom to top, top to bottom, bottom to top, top to bottom. Further, the data input means 1 has an instruction command for inverting the input positional information of the plurality of holes of the upper button and the force button between the upper button and the force button.
It has a function for issuing 0, and an instruction means for instructing the determination means to issue the instruction command. The instruction means may be a liquid crystal panel or the like having a configuration integrated with an input unit for inputting position information of well-known switches and button holes. The instruction means instructs the determination means 100 to invert between the up button and the force button.
This determination means replaces the position information of each of the plurality of holes of the upper button and the force button that have been input, transfers the position information of the hole of the upper button to the second XY table control means 4, and The hole position information is transferred to the first XY table control means 3.

As described above, the first XY table 20 and the second XY table 20
An XY table 30 is separately provided, and the operation of the first XY table 20 is controlled according to the number of holes of the upper button 17 and the center coordinates of the holes with respect to the center of the button, and the operation of the second XY table 30 is performed by a force button. Since the buttoning device is configured to be controlled according to the number of 18 holes and the center coordinates of the holes with respect to the center of the button, the following buttoning is possible.

(1) Even if the number of holes in the upper button and the force button and the arrangement of the holes are different, sewing can be performed. That is, as shown in FIG. 5, the upper button 41 has four holes 42, 42, 42, 42, and the force button 43
Has two holes 44, 44 with the same inter-hole distance, the pair of holes 42, 42 of the upper button 41 and the force button 4
Thread the thread 45 through the holes 44, 44 of the 3 and then the upper button 4
1 other set of holes 42, 42 and force button 43 hole 44,
Threads 46 can be threaded through 44 and sewn, or wrapped around the neck.

(2) Sewing can be performed even if the distance between the holes of the upper button and the force button and the arrangement of the holes are different. That is, as shown in FIG. 6, the upper button 51 has four holes 52, 52, 52, 52, and the force button 53 has four holes 54, 5 with different (small) inter-hole distances.
4, 54, 54 having a set of holes 52, 52 in the upper button 51 and a set of holes 54, 5 in the force button 53
4 through the thread 55, and then another set of holes 52, 52 of the upper button 51 and another set of holes 54, 54 of the force button 53.
The thread 56 can be sewn through and threaded around the neck.

(3) Therefore, even if the upper button and the force button have different numbers of holes, and the distance between the holes and the arrangement of the holes are different, the sewing can be performed. Due to the above, even if there are various combinations of upper button and force button with different number of holes, distance between holes, and arrangement of each hole,
Buttoning can be done.

In the above embodiment, the present invention is applied to a stitch sewing machine, that is, a sewing machine of a type in which a needle is transferred between an upper needle bar and a lower needle bar for sewing. The present invention is not limited to this, but may be an independent device to which the present invention is applied as a button attaching device. Further, in the embodiment, the servo motor and the ball screw are used as the driving means of each XY table, but the driving means by the servo motor and the timing belt may be used.
In addition, it goes without saying that the specific detailed structure and the like can be appropriately changed.

[0036]

As described above, according to the button attaching device of the present invention, the first XY table having the first button fixing machine, the first driving means for driving the first XY table, and the first XY table for controlling the first XY table. The control means, the second XY table having the second button fixing machine, the second drive means for driving the same, and the second XY table control means for controlling the same are separately provided, and the first input is made to the data input means. The first XY table control means and the second XY table according to the hole combination determined by the determination means for determining the combination of each hole of the button and the second button.
By driving each of the first driving means and the second driving means by each movement command from the Y table control means,
Since the holes of the first button and the holes of the second button are moved to the sutured portion and controlled respectively,
Even with various combinations of the first button and the second button having different numbers of holes, distances between holes, and arrangements, it becomes possible to perform buttoning.

As described in claim 2, the input positional information of the plurality of holes of each of the first button and the second button is reversed between the first button and the second button. By using the data input means having the function of issuing the instruction command to the determination means, even if the buttons are exchanged between the first button and the second button, the position information between the buttons is reversed in the data input means. The instructing means issues the instructing command to the determining means to replace the hole position information of the first button with the hole position information of the second button, and the hole position information of the corresponding two buttons is replaced. Since it is obtained, there is an advantage that there is no need to input again.

According to a third aspect of the present invention, a button attachment device provided on a stitch sewing machine for delivering a needle between an upper needle bar and a lower needle bar for sewing is used to provide an upper button on the front side. And the power button on the lining side can be sewn automatically.

[Brief description of drawings]

FIG. 1 is a block configuration diagram of an XY table drive system in a button attachment device according to the present invention.

FIG. 2 is a schematic perspective view of a first XY table portion and a second XY table portion in a button attaching device as an example to which the present invention is applied.

FIG. 3 is a flowchart showing control of a sewing operation according to the present invention.

FIG. 4 is a perspective view showing an example of a buttoning method according to the present invention.

FIG. 5 is a perspective view showing an example of a sewing procedure according to the present invention when the upper button and the force button have different numbers of holes.

FIG. 6 is a perspective view showing an example of a sewing procedure according to the present invention when the distance between the holes of the upper button and the force button is different.

FIG. 7 is a block configuration diagram of an XY table drive system in a conventional buttoning device.

FIG. 8 is a perspective view showing a relationship between an upper button and a force button that can be sewn by a conventional buttoning device.

[Explanation of symbols]

 1 Data Input Means 2 CPU 3 First XY Table Control Means 4 Second XY Table Control Means 5 First X Axis Servo Driver 6 First Y Axis Servo Driver 7 Second X Axis Servo Driver 8 Second Y Axis Servo Driver 9, 10 First Driving Means 11 , 12 Second driving means 13 XY table movement timing input section 14 Upper needle bar 15 Lower needle bar 16 Needle 17 First button 18 Second button 20 First XY table 22, 25 Ball screw 27 First button fixing machine 30 Second XY Table 32, 35 Ball screw 38 Second button fixing machine 100 Judgment means

Claims (3)

[Claims] 1. A data input means for inputting positional information of each hole of a first button and a second button, a first button fixing machine for fixing the first button, and a first button fixing machine. A first XY table having: a first drive means for driving the first XY table; a second button fixing machine for fixing the second button; a second XY table having this second button fixing machine; Second driving means for driving the 2XY table, judging means for judging a combination of the respective holes of the first button and the second button based on the position information of the holes, and the judging means. It is determined by the first XY table control means for issuing a movement command to the first driving means so as to move the hole of the first button to the suture portion according to the combination of the holes, and the judging means. A second XY table control means for issuing a movement command to the second driving means so as to move the hole of the second button to the suture portion in accordance with the combination of the holes, and a buttoning device. 2. The data inputting means outputs the input positional information of a plurality of holes of each of the first button and the second button between the first button and the second button. A function to issue an instruction command to invert to the determination means,
2. The button attaching device according to claim 1, further comprising an instruction unit for instructing the determination unit to issue the instruction command. 3. The first button and the second button are an upper button on the front side and a force button on the lining side, and the means, devices and table are between the upper needle bar and the lower needle bar. The button attachment device according to claim 1 or 2, wherein the button attachment device is provided in a stitch sewing machine that delivers a needle to a sewing machine.