JP3525424B2 - Electronic output sewing machine with optional output programmable - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronically controlled sewing machine with programmable option output, and more particularly to a control option output for controlling a plurality of option devices optionally installed in the sewing machine, in addition to output conditions. The present invention relates to a permission condition for permitting output, and a condition for permitting the permission to be set.

[0002]

2. Description of the Related Art Conventionally, sewing manufacturers that sew using various types of sewing machines, such as industrial lockstitch sewing machines and embroidery sewing machines, change the sewing content according to the type and size of the work cloth to be sewn. Accordingly, there is a demand to additionally provide various optional devices in order to improve the efficiency of sewing work and improve the quality of sewing products.
Therefore, when a plurality of optional devices are additionally installed in the industrial sewing machine, various sewing machines have been proposed in which the optional output can be programmed so that each optional device can be operated individually at any timing.

For example, in Japanese Patent Publication No. 6-59351 and Japanese Patent Laid-Open No. 8-280957, control data for outputting an optional output for controlling an optional device is stored everywhere in the sewing data for sewing a work cloth. And then
Control data is read during the execution of sewing work, and the optional equipment specified based on the control data is controlled at the desired sewing position so that each optional equipment can be operated individually at any timing. A programmable sewing machine is described. By the way, as shown in FIG. 16, a simple sequence controllable sewing machine in which four sequences (sequence 1 to sequence 4) are provided and each sequence can be individually activated under different activation conditions is also put to practical use. .

That is, in each sequence (1 to 4), four option outputs can be output in sequence, and in the sequence 1, the option output 0 is triggered by the activation condition of the sequence 1 being satisfied. Option output 0 is turned on or off when the start condition of is satisfied, and when the start condition of option output 1 is satisfied, option output 1 is turned on or off when the option output 0 is output, and so on. Option output 2 and option output 3 are sequentially output. The other sequences 2 to 4 are similar. With these 4 sequence controls, a total of 16
It is possible to output various types of optional outputs (output 0 to output F).

[0005]

As described above, in the programmable sewing machines described in Japanese Patent Publication No. 6-59351 and Japanese Patent Laid-Open No. 8-280957, an optional output for controlling a plurality of optional devices is used. Since the control data of the sewing data is stored in a predetermined position in the sewing data, when the sewing data is created and edited after the sewing data is edited, the control data is repeated at multiple locations according to the number of operations to operate and the number of optional devices. The process of creating and editing sewing data becomes complicated, and the optional equipment cannot be operated when sewing is not being executed.
There are problems such as.

Further, in a sewing machine capable of simple sequence control, since there is only one starting condition for starting each sequence, when it is desired to operate the same optional equipment under a plurality of starting conditions, the sequence is started for each starting condition. Therefore, there is a problem that the number of option outputs that can be output is reduced. Further, for example, when the stacker device optionally provided to move the side of the sewing machine to load the finished sewn product is triggered by the rise of the work clamp, as a sequence start condition, , When the work clamp is set, if the work clamp is raised not only at the end of sewing but also when the work cloth is set to the sewing position before the start of sewing, when the work cloth is set. There is a problem that the stacker device malfunctions.

An object of the present invention is to be able to operate an optional device regardless of whether or not sewing is being performed, to easily control output of each of a plurality of optional outputs based on a plurality of output conditions, and to make each optional device desired. Being able to operate reliably only at the timing, etc.

[0008]

An electronic output controllable programmable sewing machine according to claim 1 comprises a control means including a computer and a plurality of option equipments optionally provided, and an option for controlling each option equipment. In an electronically controlled sewing machine with programmable output, a first condition table in which operating states of a plurality of operating units of the sewing machine are listed and stored in advance, and a plurality of input from a plurality of optional devices and optional sensors / switches on the optional input, and a second condition table previously stored enumerating operation oFF is satisfied, a plurality of optional output on, third conditions previously stored enumerating operation off conditions are satisfied By inputting and setting one or a plurality of conditions stored in the table and the first to third condition tables, Output condition setting means for inputting and setting output conditions for outputting the output of the application, and one or more conditions stored in the first to third condition tables are input and set by the output condition setting means. And a permission condition setting means capable of inputting and setting a permission condition for permitting the output of each option output based on the output condition.

The first condition table stores the operating states of a plurality of operating parts of the sewing machine such as the cloth feed mechanism and the presser foot, and the second condition table holds ON / OFF of a plurality of option inputs. stored enumerating operation, the third condition table, a plurality of optional output on, off
Since the operations to be established are listed in advance and stored in advance, the output condition setting means stores 1 in the first to third condition tables as an output condition for outputting each option output.
Alternatively, multiple conditions are input and set. Further, as the permission condition for permitting the output of each option output based on the output condition set by the output condition setting unit by the permission condition setting unit, one or a plurality of conditions stored in the first to third condition tables are included. Input is set.

That is, a first condition in which a plurality of conditions are listed and stored.
~ By creating a third condition table and inputting and setting desired one or more output conditions and permission conditions from the first to third condition tables for each option output,
Regardless of whether or not sewing is being performed, each of the plurality of optional devices can be individually and reliably and easily operated. By setting a combination of a plurality of output conditions for outputting the option output and permission conditions for permitting or not permitting the option output, it is possible to limit the output time of the option output to a specific period.

According to a second aspect of the present invention, there is provided an electronically controlled sewing machine which is programmable as an option output.
By inputting and setting one or a plurality of conditions stored in the first to third condition tables, it is possible to input and set the disapproval condition for disapproving the permission based on the permission condition set by the permission condition setting means. It is characterized in that a disabling condition setting means is provided. In this case, the disapproval condition setting means disallows, ie, restricts, the permission based on the permission condition set by the permission condition setting means. Since one or more conditions stored in the condition table can be input and set,
By combining these plural output conditions, permission conditions, and non-permission conditions, the output timing of the option output can be logically clarified and set, and the condition setting for each option output is simplified. Other than that, the same operation as in claim 1 is achieved.

For example, "cloth presser lift" is set as an output condition of an optional output for operating the stacker device for moving and loading the sewn product which has been sewn to the side of the sewing machine, and "after completion of sewing" is set as a permission condition. On the other hand, as a disabling condition, "after the stacker device has completed operation" can be set logically, and the stacker device prevents malfunctions when the work clamp is raised when setting the work cloth at the start of sewing. Therefore, it is possible to reliably operate only when the presser foot is lifted after the end of sewing.

According to a third aspect of the present invention, the programmable electronic control sewing machine according to the second aspect is provided with a permission flag corresponding to each of the option outputs, and the permission condition set by the permission condition setting means is satisfied. In some cases, the permission flag is turned on, and when the non-permission condition set by the non-permission condition setting means is satisfied, the permission flag is turned off. In this case, the permission flag is turned on when the permission condition is satisfied,
Since the permission flag is turned off when the non-permission condition is satisfied, whether or not the option output is permitted can be easily determined based on whether the permission flag is on or off. In addition, the same operation as that of the second aspect is achieved.

[0014]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. The present embodiment is an electronically controlled pattern sewing machine capable of sewing various patterns on a work cloth set on a cloth holding frame and capable of programming a plurality of optional device control option outputs. Is applied. Explaining the pattern sewing machine 1, as shown in FIG. 1, a sewing machine main body 5 including a sewing machine arm 3 and a sewing machine bed portion 4 is mounted on the upper surface of the sewing machine table 2. A needle bar 7 having a sewing needle 6 attached to a lower end thereof is supported on the sewing machine arm 3 so as to be vertically movable, and a sewing machine spindle (not shown) is provided.
It is driven up and down in synchronization with the rotation of.

A stitch forming device is constructed by the sewing needle 6 and a thread catcher (not shown) provided in the sewing machine bed portion 4, and the sewing needle 6 and the thread catcher are driven by rotation of the sewing machine main shaft. As a result, pattern stitches are formed on the work cloth. A sewing machine motor 8 for rotationally driving the sewing machine spindle is mounted on the lower surface of the sewing machine table 2, and the rotation of the sewing machine motor 8 is transmitted to a pulley 9 fixed to the end of the sewing machine spindle, thereby providing a well-known rotation transmission mechanism. It is adapted to be transmitted to the main shaft of the sewing machine via the.

On the other hand, at the front end portion of the sewing machine bed portion 4, a horizontal cloth holding plate 10 is fixed so as to project forward, and a work cloth is placed on the cloth holding plate 10.
A cloth holding frame 11 for pressing and holding is arranged on the cloth holding frame 11, and the work cloth is held between the cloth holding frame 11 and the cloth holding plate 10 by the X-axis pulse motor 40 and the Y-axis pulse motor 41. The work cloth is fed and driven by integrally driving the holding frame 11 and the cloth holding plate 10 in the front-rear direction (Y direction) and the left-right direction (X direction). By the way, cloth holding frame 1
1 is vertically swung by the drive of the cloth holding frame drive solenoid 39 (see FIG. 2) so that the work cloth can be set on the cloth holding plate 10 when the cloth holding frame 11 is rotated to the upper open position. become.

A power switch 15 for turning on the power of the pattern sewing machine 1 is provided on the lower surface of the sewing machine table 2. A cloth holding frame opening switch 16 for driving the cloth holding frame driving solenoid 39 and a starting switch 17 for starting the sewing machine motor 8 are provided on the floor surface. Further, an operation panel 20 provided with a liquid crystal display and various switches is provided on the upper surface of the sewing machine table 2, and a condition setting operation for setting various conditions for outputting an option signal for controlling an option device described later. A panel 21 is provided.

A control box 22 provided with a control device 25 and the like is mounted on the lower right side of the sewing machine table 2, and a floppy disk drive device 2 for detachably mounting a floppy disk is mounted on the front surface of the control box 22.
3 is provided. Next, the control system of the pattern sewing machine 1 will be described. As shown in FIG.
Reference numeral 5 denotes a CPU 26, and a ROM 27 and a RAM 2 connected to the CPU 26 via a bus 32 such as a data bus.
8. A microcomputer basically having a flash memory 29 for storing data of various conditions for outputting an option signal, a floppy disk controller (FDC) 30 for driving and controlling a floppy disk drive device (FDD) 23, I / O interface 3
1, a plurality of drive circuits 34 to 37 connected to the input / output interface 31, and a plurality of option signal amplification circuits 42.

The input / output interface 31 includes various switches such as a power switch 15, a needle position detection sensor 33 for detecting the vertical movement position of the sewing needle 6, an operation panel 20, and a condition setting operation panel 21. Each is connected. In addition, options can be input from various switches and sensors provided outside. Further, the plurality of drive circuits 34 to 37 include a solenoid 38 for a thread cutting device for a thread cutting mechanism provided in the bed portion 4,
The cloth holding frame drive solenoid 39, the sewing machine motor 8, and the pulse motors 40 and 41 for driving the cloth holding frame 11 are connected.

By the way, the plurality of amplifier circuits 42 include:
Although not currently provided in the pattern sewing machine 1, a plurality of optional devices 50 optionally provided in the pattern sewing machine 1 can be connected in the future. In the ROM 27, a drive control program for driving and controlling the pattern sewing machine 1, a control program for option output control, which will be described later, and a plurality of pattern data for a plurality of pattern patterns are stored with pattern numbers. There is. Further, the RAM 28 is provided with a memory for storing sewing data (needle drop data) created at the time of pattern sewing, and a pointer, a buffer and the like as necessary.

By the way, the condition setting operation panel 21
As shown in FIG. 3, is a microcomputer including a CPU, a ROM and a RAM, and is provided with a small liquid crystal display 21a and a keyboard 21b including numeric keys and various function keys. While the drop data can be corrected, various conditions for outputting an option signal OS described later can be set.

In the ROM of the microcomputer,
As shown in FIG. 4 (a), regarding the pattern sewing machine 1, when the start and end of the operation of a plurality of basic operation parts such as the cloth feed mechanism and the presser foot, the basic operation state of the operation part is set as a condition. In order to achieve the above, the condition table in which the operations that satisfy these conditions and the condition numbers are listed in association with each other and stored, and, as shown in FIGS. 4B to 4C, In order to set the standard operation state as a condition, a condition table in which the operations that satisfy the conditions and the condition numbers are listed in association with each other and stored is provided, and a control program for condition data setting control described later. Is stored.
That is, although not shown in FIG. 2, the pattern sewing machine 1
Various detection switches and detection sensors for detecting the establishment of each of the plurality of condition numbers shown in FIGS. 4 to 6 are provided everywhere.

In the ROM, as shown in FIG. 5, each of a plurality of option signals (option input 1 to option input 13) is supplied from an optional equipment, an optional sensor, a switch, or the like. In order to make it a condition that is input, there is provided a condition table in which an operation that satisfies the condition and a condition number are associated with each other. Further, as shown in FIG. 6, it is necessary to output each of the plurality of option outputs (output number "1" to output number "16") set by the condition setting control to the ROM. In addition, there is provided a condition table in which the operations satisfying the conditions and the condition numbers are associated and listed. The tables shown in FIGS. 4A to 4C correspond to the first condition table, the table shown in FIG. 5 corresponds to the second condition table, and the table shown in FIG. 6 corresponds to the third condition table. Equivalent to.

Here, in order to make the option output control, which will be described later, easy to understand, the logic for outputting the option signal OS based on the set permission condition, non-permission condition and output condition will be described with reference to FIG. . Up to three (output conditions 1 to 3) can be set as output conditions, and up to 3 (permission conditions 1 to 3) can be set as permission conditions that permit output of optional output. A maximum of three disapproval conditions (rejection condition 1 to disapproval condition 3) can be set as the disapproval conditions for restricting the permission conditions, and three permission conditions are input to the OR gate 60, and three disapproval conditions are OR gate 61. Is input to three more output conditions
It is input to the gate 62.

The output of the OR gate 60 and the output of the OR gate 61 are RS flip-flops (F / F) 63.
Input to the enable signal P from the flip-flop 63.
S is output. Here, when the permission signal PS is at "H" level, the permission flag PF is set.
Further, the permission signal PS and the output of the OR gate 62 are A
It is input to the ND gate 64, and the option signal OS is output from the AND gate 64.

That is, when any one of the plurality of permission conditions is satisfied, the flip-flop 63 outputs the permission signal PS of "H" level, but when any one of the plurality of non-permission conditions is also satisfied. The flip-flop 63 is inverted and the "L" level permission signal PS is output. On the other hand, when none of the non-permission conditions are satisfied and the permission signal PS is at the "H" level, when any one of the output conditions is satisfied, the "H" level option signal OS is output.

Next, a condition setting control routine executed by the microcomputer of the condition setting operation panel 21 will be described with reference to the flowchart of FIG. In the figure, reference numeral Si (i = 10, 11, 12, ...)
Indicates each step. This control is started by selecting the item "output condition setting" on the menu selection screen displayed by the eye contact method on the display 21a of the operation panel 21, and the output condition setting screen is first displayed on the display 21a ( S10).

For example, as shown in FIG. 11, in the first display line, a mark "OP" for setting an "option number" and an output signal ("ON", "OFF",
The mark "OS" for setting "F / F (reverse)" is highlighted, and the marks "(1)" to "(3)" for setting up to three output conditions are displayed on the second display line. The marks "T1" for setting the output standby time T1 for waiting until the option signal OS is output after the output condition is satisfied and the mark for setting the output continuation time T2 of the option signal OS are respectively displayed in reverse video. “T2” is highlighted, and the fourth display line also highlights the keys that can be operated during setting.

Next, based on the display screen, a setting process for setting the option number, the output condition, and the set times of the timers T1 and T2 is executed (S11), and the setting result is followed by the microcomputer. Is temporarily stored in the RAM (S12). For example, as shown in FIG. 13, the set option number and the output condition number are stored in 1-byte in accordance with the registration number “1000”, and are set in accordance with the registration number “10001”. Output signal type (ON, OFF, F / F), timer 1,
Each of the set times of 2 is stored as 1 byte. These set times T1 and T2 are set in units of 10 msec.

Next, the permission condition setting screen is displayed on the display 2.
It is displayed on 1a (S13). For example, as shown in FIG. 12, a mark "OP" for setting an "option number" is highlighted on the first display line, and three marks for setting up to three permission conditions are displayed on the second display line. "○" is highlighted in each case, three marks "x" for setting up to three non-permission conditions are highlighted in the third display line, and keys operable in setting are displayed in the fourth display line. Is highlighted.

Next, in addition to the option number, a setting process for setting permission conditions and non-permission conditions is executed (S14),
Along with the end of the setting process, the setting result is temporarily stored in the RAM of the microcomputer (S15), the control is ended, and the process returns to the main routine. For example, in FIG.
As shown in 4, the set option number and the three permission condition numbers are stored in one byte for each line along with the registration number "1002", and the registration number "1003" is set. Accordingly, the numbers of the three disapproval conditions are stored in 1 byte for each line.

Next, the control device 2 of the pattern sewing machine 1
The option output control routine executed in step 5 will be described with reference to the flowchart of FIG. Here, this control is performed under the condition numbers "1" to "13" and "25" to "shown in FIGS. 4 (a) to 4 (c) when the pattern sewing machine 1 is powered on. 26 "," 30 "
~ Whether a motion corresponding to any of "38" is established is detected by a subroutine or the like (not shown), and every time any motion is established, the option corresponding to the number of set option numbers is set. The output control is executed respectively, and here, the option output control for one set option number A will be described.

As described above, this control is performed when it is detected by a subroutine (not shown) that the operation corresponding to any of the plurality of condition numbers shown in FIGS. 4A to 4C is established. Is started, the condition number corresponding to the basic operation condition of the sewing machine that was established when the control of this time is started is acquired (S20), and the output state determination processing control (see FIG. 10) is executed for the option number A. Done (S2
1). When this control is started, first, it is searched whether or not the condition number corresponding to the satisfied condition is in the permission condition, that is, whether or not it is set. If it is not set (S40: No), the condition is satisfied. It is searched whether or not the condition number corresponding to the condition is set to the disapproval condition, and when it is not set (S42: No), it is further determined whether or not the condition number corresponding to the satisfied condition is set to the output condition. If it has not been set (S44: No), the output flag OF is reset (flag data of "0") (S52), the control is terminated, and the process returns to S22 of the optional output control.

Since the output flag OF is not set in the option output control (S22: No), the process returns to the main routine. By the way, in the output state determination processing control, when the condition number corresponding to the established condition is set as the permission condition (S40: Yes
), The permission flag PF is set (flag data of "1") (S41). On the other hand, when the condition number corresponding to the established condition is set as the disapproval condition (S
42: Yes), the permission flag PF is reset (flag data of "0") (S43).

Further, when the condition number corresponding to the established condition is set as the output condition (S44: Yes),
When the output signal is designated as "ON" (S45: Yes), the signal flag is set (S46). Then, the logical product of the permission flag PF and the signal flag is obtained, and when the value of the logical product changes with respect to the current ON or OFF of the signal (S47: Yes), the output flag OF is set (S4).
8) Output flag OF when the value of the logical product does not change
Is reset (S52). In addition, the output signal is "OF
When "F" is designated (S45: No, S49: Yes), the signal flag is reset (S50), and similarly, when the value of the logical product changes (S47: Yes), the output flag OF is set (S48). If there is no change, the output flag OF is reset (S52).

Further, when the output signal is designated as "F / F" (S45 / S49: No), "inversion" is set as the signal flag, and similarly, when the value of the logical product changes (S).
47: Yes), the output flag OF is set (S48), and when it does not change, the output flag OF is reset (S48).
52). That is, even if the permission flag PF is set, if "ON" is designated when the current signal is on,
When the current signal is off and "OFF" is designated, the option signal OS is not output.

When the output flag OF is set in the option output control (S22: Yes)
), The set times T1 and T2 are set to the dedicated on-timer A and the off-timer A for the option number A (S23). That is, when the output signal is designated as "ON",
The output standby time T1 is set to the on-timer A, and the output continuation time T2 is set to the off-timer A.
When the output signal designates "OFF", conversely, the output standby time T1 is set to the off timer A and the output continuation time T2 is set to the on timer A. Furthermore, when the output signal designates "F / F", which of the on-timer A and the off-timer A the set times T1, T2 are set to is determined according to the signal level at that time.

Next, the operation of the reference timer is started (S
24), the elapsed time KT of the reference timer is the on-timer value H
If it does not match T (S25: No), the elapsed time KT of the reference timer does not match the off timer value LT (S31: No), and there is no active on-timer or off-timer (S37: No). , End this control,
When any one of these on-timer or off-timer is operating (S37: Yes), S25 and subsequent steps are repeatedly executed. Then, when the elapsed time KT of the reference timer matches the on-timer value HT (S25: Yes),
The option signal OS corresponding to "ON" that matches the ON timer value HT is output (S26).

Next, it is searched whether or not there is an option number on condition that the ON output of the option signal OS is present, and when there is a corresponding option number (S27: Yes), the output state judgment processing control is executed for the option number N. It is executed as described above (S28). As a result, when the output flag OF is set (S29: Yes), the elapsed time of the current reference timer is set to “α”, and the set time (T1 + α) is set for the on-timer N and the off-timer N dedicated to the option number N. ), (T2 + α) are set (S
30). When there is a timer in operation (S3
7), S25 and subsequent steps are repeatedly executed.

On the other hand, when the elapsed time KT of the reference timer coincides with the off timer value LT (S31: Yes), the option signal OS corresponding to "OFF" corresponding to the off timer value LT is output (S32). . Next, the presence or absence of an option number on the condition that the output of the option signal OS is off is searched, and when there is a corresponding option number (S33: Yes), the output state determination processing control for the option number M is performed as described above. Is executed (S34). As a result, when the output flag OF is set (S35: Yes), the elapsed time of the current reference timer is set to "β", and the set time (T1 + β) is set in the on-timer M and the off-timer M dedicated to the option number M. ),
(T2 + β) is set (S36).

When there is a timer in operation (S37), S25 and subsequent steps are similarly repeated. By the way, when neither the on-timer nor the off-timer is operating (S37: No), this control is output and the process returns to the main routine. Next, the operation of the output control of the option signal will be described. For example, a case will be described in which a stacker device, which is optionally provided, is operated so as to carry the pattern-sewn work cloths to the side of the pattern-sewing sewing machine 1 and sequentially load the work cloths when the sewing is completed.

This stacker device includes a "material presser" for holding down the work cloth during conveyance and a "conveyance air cylinder".
And an "air valve" for blowing air onto the sewing machine table 2 during transportation. in this case,
The material retainer, the conveying air cylinder, and the air valve correspond to optional equipment. The option output to be output to each option device is set as follows. About the optional output of <Fabric retainer>,
As shown in 2, option number OP: 2 output signal OS: ON designation
Output condition: condition number 30 / output standby time T1: 110 msec
-Output duration T2: 1200 msec-Permit condition: condition number 6-Non-permit condition: condition number 81

Regarding the optional output of <conveyance air cylinder>, option number OP: 3, output signal OS: ON designation,
Output condition: condition number 76, output standby time T1: 500 msec
・ Output duration T2: 700msec ・ Permit condition: None
・ Disapproval condition: None About the optional output of <Air valve> ・ Option number OP: 4 ・ Output signal OS: ON designation ・
Output condition: condition number 76, output standby time T1: 500 msec
・ Output duration T2: 1700msec ・ Permit condition: None
・ Disapproval condition: None

That is, as shown in FIG. 15, when the permission flag PF is switched from reset to set at the time t1 when the sewing is completed based on the permission condition "6", the time when the work clamp on the side of the pattern sewing machine 1 is raised. At t2, with respect to the material presser output of option number 2, the permission flag PF
Since the output flag OF is set because the logical product of the output flag and the signal flag changes, from that time t2, the output wait time T1 set in the on-timer 2 is waited for, and the output wait time T1 elapses. Time t5 when the output duration T2 set in the off timer 2 has elapsed from t3
The material presser output is turned on.

By the way, at that time t3, that is, at the time when the material pressing output is turned on, the logical product of the permission flag PF and the signal flag is obtained with respect to the transfer air cylinder output of option number 3 and the air valve output of option number 4. Since the output flag OF changes, the output flag OF is set, and therefore, from that time point t3, the output waiting time T1 set in the on-timers 3 and 4 is waited, and from the time point t4 when the output waiting time T1 has elapsed, the conveyance flag is set. The air cylinder output is turned on at the time t5 when the output duration time T2 set in the off timer 3 has passed, and the air valve output has passed the output duration time T2 set in the off timer 4. It is turned on at time t6.

At the time t6, the permission flag PF is reset based on the non-permission condition 6. That is, the work clamp on the side of the sewing machine for pattern sewing is driven not only when sewing is finished but also when setting the work cloth at the start of sewing, but is permitted when the work clamp on the sewing machine side is raised at the start of sewing. Since the flag PF has been reset, the material presser output is turned on only after the end of sewing for which the permission flag PF is set, so it is possible to reliably prevent malfunction of the stacker device at the start of sewing. You can

The above description is only one example, and various optional equipments to be equipped in the future in the pattern sewing machine 1 or accompanying the sewing machine 1, for example, an auxiliary pressing mechanism for auxiliaryly pressing the work cloth, Depending on the operating state of the pattern sewing machine 1, that is, the normal operating state, thread breakage state, emergency stop state, etc., it can be used as a lamp mechanism that lights various color lamps such as "red", "blue", and "yellow". In contrast, the option output is controlled by setting the output condition, the permitting condition, and the disabling condition for each option output so that the option output is output individually or sequentially in conjunction with each other. It is possible to set the output timing of a plurality of optional outputs logically and easily set.

Here, the output condition setting means is constituted by the condition setting operation panel 21 and the condition setting control S10 to S12, and the condition setting operation panel 21 and the condition setting control S13 to S12.
The permission condition setting means and the non-permission condition setting means are constituted by S15 and the like. In this way, a condition table storing a plurality of conditions including the operation states of the plurality of operation units of the pattern sewing machine 1 and the ON / OFF of the option signal OS for the plurality of option devices is provided, and each condition table is provided. For each option output, only one or more desired output conditions, permission conditions, and non-permission conditions are set from the condition table, and each of the plurality of option devices can be surely secured regardless of whether or not sewing is in progress. And it can operate easily.
Also, by setting a plurality of output conditions for outputting the option signal OS and permission conditions for permitting the output of the option signal OS, the output time of the option signal OS is limited and output only at a specific time. You can

As the non-permission condition for disallowing the permission based on the permission condition, it is possible to set from the plurality of conditions stored in the condition table through the condition setting operation panel 21, so that the plurality of output conditions are set. By combining the permission condition and the non-permission condition, the output timing of the option signal OS can be logically clarified and set, and the condition setting for each option output is simplified.

Further, a permission flag PF is provided corresponding to each option output, and when any one of the set permission conditions is satisfied, the permission flag PF is set (ON).
On the other hand, when any one of the set non-permission conditions is satisfied, the permission flag PF is reset (off), so whether or not the option output is permitted based on whether the permission flag PF is on or off. It can be easily determined.

Here, as a modification of the above embodiment,
Various conditions may be set by a personal computer or the like provided in association with the pattern sewing machine 1, and data of these set conditions may be received by a floppy disk or via a connection cord. Furthermore, the present invention should not be construed as being limited to the above-described embodiment, and within the scope not departing from the technical idea of the present invention, the control of each part of the above-described embodiment may be an existing control or a control obvious to a person skilled in the art. It is possible to make various changes based on the above.

[0052]

According to the invention of claim 1, first to third condition tables, output condition setting means, and permission condition setting means are provided, and the first to third condition tables are provided for each option output. Only by inputting and setting one or more desired output conditions and permission conditions from the condition table, each of the plurality of option devices can be operated individually and reliably and easily regardless of whether or not sewing is being performed. In addition, by setting a plurality of output conditions for outputting the optional output and permission conditions for permitting or not permitting the optional output, it is possible to output the optional output only at a specific time.

According to the invention of claim 2, the same effect as that of claim 1 is obtained, but further, by inputting and setting one or a plurality of conditions stored in the first to third condition tables, the permission is obtained. Since the disapproval condition setting means capable of inputting and setting the disapproval condition for disapproving the permission based on the permission condition set by the condition setting means is provided, the plural output conditions, the permission condition and the disapproval condition are combined. Therefore, the output timing of the option output can be logically clarified and set, and the condition setting for each option output can be simplified.

According to the invention of claim 3, the same effect as in claim 2 is obtained, but when a permission flag corresponding to each of the option outputs is provided and the permission condition set by the permission condition setting means is satisfied, Since the permission flag is turned on and the permission flag is turned off when the non-permission condition set by the non-permission condition setting means is satisfied, whether or not the option output is permitted based on whether the permission flag is turned on or off. It can be easily determined.

[Brief description of drawings]

FIG. 1 is a perspective view of an electronically controlled pattern sewing machine according to an embodiment of the present invention.

FIG. 2 is a block diagram of a control system of an electronically controlled pattern sewing machine.

FIG. 3 is a plan view of an output condition setting operation panel.

FIG. 4A is a diagram of a condition table in which the operating states of the basic operating units of the sewing machine and the condition numbers are associated with each other,
(B) is a diagram of a condition table in which standard operation of the sewing machine is associated with condition numbers, and (c) is a diagram of a condition table in which standard operation of the sewing machine is associated with condition numbers.

FIG. 5 is a diagram of a condition table in which option signal inputs from an external optional device, an optional sensor, a switch, and the like are associated with condition numbers.

FIG. 6 is a diagram of a condition table in which option outputs output from a plurality of option devices are associated with condition numbers.

FIG. 7 is a logic circuit for explaining option signal output control.

FIG. 8 is a flowchart of a condition setting control routine.

FIG. 9 is a flowchart of a routine of option output control.

FIG. 10 is a flowchart of a routine of output state determination processing control.

FIG. 11 is a diagram showing a display example of an output condition setting screen.

FIG. 12 is a diagram showing a display example of a permission condition setting screen.

FIG. 13 is a diagram illustrating output conditions and timer values stored in a format.

FIG. 14 is a diagram illustrating a permission condition and a non-permission condition stored in a format.

FIG. 15 is a time chart illustrating a plurality of option outputs.

FIG. 16 is an explanatory diagram illustrating sequence control according to a conventional technique.

[Explanation of symbols]

1 Electronically controlled pattern sewing machine 21a Liquid crystal display 25 Control device 26 CPU 27 ROM 28 RAM PF permission flag

Continuation of the front page (56) Reference JP-A-5-3978 (JP, A) JP-A-54-94623 (JP, A) JP-A-4-240479 (JP, A) JP-A-60-261491 (JP , A) JP 8-280957 (JP, A) JP 62-120876 (JP, A) JP 3-139390 (JP, A) JP 2-119894 (JP, A) JP 6-59351 (JP, B2) (58) Fields investigated (Int.Cl. ⁷ , DB name) D05B 1/00-97/12

Claims (3)

(57) [Claims] 1. An electronically controlled sewing machine comprising a control means including a computer and a plurality of option devices optionally installed, wherein an option output for controlling each option device is programmable. The first condition table in which operating states are listed and stored in advance, and ON / OFF of multiple option inputs input from multiple optional devices and optional sensors / switches
A second condition table in which the operations to be satisfied are listed and stored in advance, a third condition table in which the operations to turn on and off a plurality of option outputs are listed and stored in advance, and the first to third Output condition setting means capable of inputting and setting output conditions for outputting each option output by inputting and setting one or a plurality of conditions stored in the condition table; and the output condition setting means stored in the first to third condition tables. A permission condition setting means capable of inputting and setting a permission condition for permitting the output of each option output based on the output condition set by the output condition setting means by inputting and setting one or a plurality of conditions. Programmable electronically controlled sewing machine featuring optional output. 2. Further, by inputting and setting one or a plurality of conditions stored in the first to third condition tables, the permission based on the permission condition set by the permission condition setting means is not permitted. The electronically controlled sewing machine according to claim 1, further comprising a disabling condition setting means capable of inputting and setting a disabling condition. 3. A permission flag corresponding to each of the option outputs is provided, and when the permission condition set by the permission condition setting means is satisfied, the permission flag is turned on and set by the non-permission condition setting means. 3. The programmable electronic output control sewing machine according to claim 2, wherein the permission flag is turned off when the non-permission condition is satisfied.