JPH06339587A - Lock sewing machine - Google Patents

Abstract

(57) [Abstract] [Purpose] When a trouble occurs during sewing, the trouble can be solved by referring to the message displayed on the liquid crystal display device 8 and the work of reading the operation manual is not required. [Configuration] When a trouble occurs, a plurality of trouble types are displayed on the liquid crystal display device 8 and the operator
The second selection switch 9 or 10 is operated to select a trouble that has actually occurred, and when the trouble is selected, the countermeasure for the trouble is displayed on the liquid crystal display device 8.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lock sewing machine capable of performing various types of overlock stitching and roll stitching depending on the type of cloth.

[0002]

2. Description of the Related Art Conventionally, in this type of lock sewing machine, an operator selects a kind of sewing method suitable for a kind of cloth to be sewn, and in accordance therewith, a tension value of each thread,
It was necessary to set a large number of sewing conditions such as the cloth feed amount, the differential feed ratio, the kind of needle plate, and the kind of presser foot. Therefore, while the operator is reading the sewing machine operation manual,
Various sewing conditions were set one by one, and the workability of the setting was poor.

As a structure for solving this, the actual Kaihei 2-7
A lock sewing machine as described in Japanese Patent No. 5074 has been proposed. In this sewing machine, a liquid crystal display device is provided on the sewing machine arm, and one of the sewing methods that can be sewn is displayed on the liquid crystal display device, and the tension value of each thread and the cloth value corresponding to the sewing method are displayed. A large number of sewing conditions such as the feed amount, the differential feed ratio, the type of needle plate, the type of presser foot, etc. are all displayed. And in the above sewing machine,
A selection switch is provided on the sewing machine arm, and when the operator operates the selection switch, the type of sewing displayed on the liquid crystal display device changes each time the operation is performed, and the liquid crystal display is displayed to correspond to the changed sewing method. Many sewing conditions such as the tension value of each thread, the cloth feed amount, the differential feed ratio, the kind of the needle plate, the kind of the presser foot, etc. displayed on the apparatus are changed.

In this lock sewing machine, when the operator operates the selection switch to select the kind of sewing method, all the various sewing conditions corresponding to the sewing method are displayed on the liquid crystal display device. Therefore, the operator can set various sewing conditions without reading the operation manual by visually checking the sewing conditions displayed on the liquid crystal display device, and the workability of the setting is improved.

[0005]

However, in the lock sewing machine having the above-mentioned conventional structure, when a sewing trouble occurs, the operator finds and reads the portion of the operation manual which describes the kind of trouble and the countermeasure. , The trouble that has occurred is dealt with and the sewing is executed normally. Therefore, when trouble occurs, it is necessary to read the operation manual, and there is a problem that workability is poor.

Therefore, an object of the present invention is to provide a lock sewing machine which can eliminate the work of reading an operation manual when a trouble occurs during sewing and greatly improve the workability.

[0007]

A lock sewing machine of the present invention has a storage means for storing data and the like for sewing with a sewing machine and displays a plurality of trouble types that may occur during sewing. Equipped with display means,
The present invention is characterized in that it has a trouble selecting means for selecting the kind of the trouble actually occurred from the plurality of kinds of troubles displayed on the display means. In this case, it is also preferable to include a countermeasure display means for displaying countermeasures for the type of trouble selected by the trouble selecting means.

[0008]

According to the above means, when a trouble occurs during sewing, a plurality of trouble types are displayed on the trouble display means, and the trouble selecting means is selected from the plurality of trouble types thus displayed. It is possible to select the type of trouble that actually occurred. In this case, when a trouble type is selected, for example, if the countermeasure for the trouble is displayed, the work of reading the operation manual can be eliminated, and the workability is greatly improved.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. First, the overall structure of the lock sewing machine of this embodiment will be described with reference to FIG. In FIG. 1, the sewing machine main body 1 is composed of a sewing machine bed portion 2 and a sewing machine arm portion 3. A needle bar 4 is provided at the left end of the sewing machine arm 3 so as to be vertically movable, and two sewing needles 5 and 5 are attached to the lower end of the needle bar 4.
In addition, the attachment position of the sewing needle 5 is “right”, “left”, or “front”.
There are two places, and two sewing needles 5 are attached to two of them.

Further, in the sewing machine bed portion 2, for example, three loopers 6 (only one is shown) which are thread catchers.
Is provided so as to swing in synchronization with the vertical movement of the needle bar 4, and a feed dog (not shown) is provided so as to perform a feed movement in synchronization with the vertical movement of the needle bar 4. Further, inside the sewing machine bed portion 2, a knife device (not shown) for cutting a cloth as a sewing object is arranged.
Then, the needle bar 4 in the upper surface of the left end of the sewing machine bed 2
A needle plate (not shown) is arranged at a portion facing to. A cloth presser bar is provided behind the needle bar 4 so as to be movable up and down, and a cloth presser 7 is attached to the lower end of the cloth presser bar.

On the other hand, a liquid crystal display device 8 is provided on the front surface of the middle portion of the sewing machine arm 3. On the display screen of the liquid crystal display device 8, there are kinds of sewing methods to be sewn, kinds of cloth as a sewn object, kinds of needles, kinds of threads, thread passing orders, operation procedures, and the possibility of occurrence during sewing. A type of trouble, a message instructing countermeasures against the trouble,
In addition, error messages and the like are configured to be displayed as described later in detail. In this case, the liquid crystal display device 8 constitutes trouble display means and countermeasure display means.

Below the liquid crystal display device 8 is a sewing method selecting means and a trouble selecting means, for example, the first
The selection switch 9, the fabric selection means and the trouble selection means, for example, the second selection switch 10, the screen feed switch 11, and the screen return switch 12 are arranged side by side in the left-right direction. Among these switches, the screen feed switch 11 is an operation switch for switching the display mode displayed on the display screen of the liquid crystal display device 8 and displaying the next display mode. The screen return operation switch 12 is an operation switch for switching the display mode displayed on the display screen of the liquid crystal display device 8 to display the previous display mode.

The first selection switch 9 is, as shown in FIG. 6, a selection item A (display of the first line) of the type of sewing and a selection item of the type of cloth on the display screen of the liquid crystal display device 8. B
This is an operation switch for switching and displaying the selection item A (type of sewing) displayed on the first line when (display on the second line) is being displayed. Items other than the above are displayed. When the switch is on, the operation switch is invalid.
Further, the second selection switch 10 is an operation switch for switching and displaying the selection item B (kind of cloth) displayed on the second line when being displayed as shown in FIG. When the items other than the above are displayed, the operation switch is invalid.

On the other hand, on the front surface of the upper portion of the sewing machine arm portion 3, four thread tension setting dials 13, 14, 15, 1 are provided.
6 are provided. Each thread tension setting dial 13, 1
By rotating 4, 15, 16 the thread tension or tension of each thread can be set. The cloth feed dial 17, the overedging width dial 18 and the differential dial 1 are provided on the front surface of the left end portion of the sewing machine bed 2.
9 is provided, and these dials 17 to 19 are covered with a cover 20. By rotating the cloth feed dial 17, the overedging width dial 18, and the differential dial 19, respectively, the cloth feeding amount, the overedging width, and the differential feeding ratio can be adjusted and set. In addition, the front surface of the central part of the sewing machine bed portion 2 is
The front cover 21 is openably and closably covered.

Next, the electrical construction of the lock sewing machine of this embodiment will be described with reference to FIG. In FIG. 2, the controller 22 is configured to include a microcomputer, and operates according to a control program for controlling the operation of the entire sewing machine, which is stored in, for example, the ROM 23, which is a storage unit. In the ROM 23, as shown in FIG. 3, a control program storage area 23a for storing a control program, a sewing method storage area 23b for storing data indicating the type of sewing, and a fabric for storing data indicating the type of cloth. A storage area 23c, an operation message storage area 23d for storing various operation messages, a display data storage area 23e for storing various display data, and table data for storing table data for determining suitability of a sewing method and cloth combination. A storage area 23f is provided.

The controller 22 has a RAM 2
4 is connected to the RAM 24. As shown in FIG. 4, the RAM 24 has a pointer storage area 24 for storing pointer positions.
Work area 2 for temporarily storing a and other data
4b is provided. Further, the controller 22 is connected to the first selection switch 9, the second selection switch 10, the screen feed switch 11 and the screen return switch 12, and is configured to receive each switch signal from these switches. The controller 22 is connected to the liquid crystal display device 8 via a driver 25, and is configured to drive and control the liquid crystal display device 8 by giving a drive control signal to the liquid crystal display device 8.
The controller 22 is also connected to a sewing machine motor (not shown), and is configured to control the sewing operation by controlling the on / off of the sewing machine motor.

Next, the operation of the above configuration will be described with reference to FIGS.
Refer also to the explanation. Here, the flowchart of FIG. 5 schematically shows the contents of the display control portion of the liquid crystal display device 8 in the control program of the controller 22 (stored in the ROM 23).

Now, when the power is turned on, step S100
The initial setting process is executed, and the selection screen 60 of the display mode shown in FIG. 6 is displayed on the display screen of the liquid crystal display device 8.
On the selection screen 60, specifically, a display portion 60a of the selection item A (type of sewing) is displayed on the first line,
A display portion 60b of the selection item B (kind of cloth) is displayed on the second line, and a message 60 explaining the selection operation is displayed on the third line.
c is displayed. In this screen state, the kind of sewing method, that is, 1
When it is desired to switch and display the selection item A on the line, the first selection switch 9 is operated. Then, the process proceeds to "YES" in step S102 and "Y" in step S104.
Go to "ES" and select item A on the first line is displayed from "Futikagari + Jinui 5 Hoonito" to "Futikagari + Jinui".
For example, every time the first selection switch 9 is operated, 11 selection items 62a shown in FIG. 7 are displayed.
The display is switched from top to bottom in the range from 62k to 62k (steps S106 and S108). In this case, the pointer information indicating the selection item A being displayed on the selection screen 60 is stored in the pointer storage area 24a of the RAM 24 shown in FIG. This allows the operator to select a desired sewing method. If the first selection switch 9 is operated while the selection item 62k is displayed, the first selection item (the highest item) among the selection items shown in FIG.
Then, the selection item 62a is displayed again.

On the other hand, the type of cloth, that is, the selection item B on the second line
When it is desired to switch and display, the second selection switch 10 is operated in the state of the selection screen 60 of FIG. Then, in step S102, the process proceeds to “NO”, and in step S
The procedure proceeds to “YES” at 110, proceeds to “YES” at step S112, and the selection item B on the second line changes from “FUJUJI” to “FUJUJONOBIRU”.
Each time the second selection switch 10 is operated, 6 shown in FIG.
The display is sequentially switched from the top among the individual selection items 64a to 64f (steps S114 and S116). In this case, the pointer information indicating the selection item B being displayed on the selection screen 60 is stored in the pointer storage area 24a of the RAM 24 shown in FIG. This allows the operator to select the desired fabric. If the second selection switch 10 is operated while the selection item 64f is displayed, the first selection item (the highest item) among the selection items shown in FIG. 8 is displayed and the selection item 64a is displayed. It has become.

Next, it is judged whether the combination of the sewing method and the cloth selected by the operator is appropriate, and if the combination is appropriate, the kind of the needle suitable for the sewing method and the cloth. , Each type of thread, and each case of displaying the threading order will be described. Now, select item 6 as the sewing method.
2a (“Fuchikagari + Zinui 5 Hoonito”) and the selection item 64f (“Atsuji-no-biru”) as the fabric are selected, if the screen feed switch 11 is operated, the process proceeds to “NO” in step S102, and in step S110. The process proceeds to “NO”, proceeds to “YES” at step S118, proceeds to “YES” at step S120, and stores in the ROM 23 whether or not the combination of the sewing method 62a and the fabric 64f is an appropriate combination. Judgment based on the table data. If it is determined that the combination is inappropriate, the process proceeds to “NO” in step S122 and, as shown in FIG. 9, the sewing method (selection item A),
The warning display 66 (specifically, “Kono Kumiawase Hadekimase Erabiona Oshidakusai”) indicating that the combination of the fabric (selection item B) is inappropriate is displayed for 3 seconds, and at the same time, the buzzer sounds twice (step S12
4). Thus, the operator operates the first selection switch 9 or the second selection switch 10 in accordance with the message displayed on this screen to redo the selection of the type of sewing method or the type of cloth.

After that, the redoing of the above selection operation causes
Select item 62a as the sewing method ("Border edge + Zinui"
5) and the selection item 64a (“Fuji”) as the cloth. When the screen feed switch 11 is operated in this screen state, the process proceeds to "NO" in step S102, to "NO" in step S110, to "YES" in step S118, and to "YES" in step S120. The process proceeds to "YES" to determine whether or not the combination of the sewing method 62a and the cloth 64a is appropriate. Here, if it is determined that the above combination is appropriate, the process proceeds to “YES” in step S122, and a display mode as shown in FIG. 10, that is, a sewing needle type 68a and a message 68b regarding the attachment position of the sewing needle is displayed. The screen 68 to be displayed is displayed (step S126). Then, the worker attaches the sewing needle according to the message displayed on the display screen 68. In this case, "Nm8
Attach the "0" needle, attach the "# 14" needle to the "front" needle attachment position, and do not attach the "left" needle attachment position.

After that, when the screen feed switch 11 is operated, the process proceeds to "NO" in step S102 and step S102.
At 110, the process proceeds to “NO”, and at step S118, “Y”
Go to "ES", go to "NO" in step S120,
A screen 70 is displayed as shown in FIG. 11, that is, a type 70a of the looper thread and a message 70b for instructing a procedure for threading the looper (thread threading order) (step). S126). Then, the worker passes the thread through the three loopers in accordance with the message displayed on the display screen 70. In this case, the "span" is used as the looper thread, and the "loop" thread is passed through the three loopers 6 in the order of "green" thread, "blue" thread, and "purple" thread. Where "green", "blue", "purple"
Indicates which one of the three looper threads the three looper threads correspond to, that is, the correspondence relationship, not the actual color of the thread. Then, the sewing machine main body 1 is appropriately provided with a colored portion of each color for indicating the route through which each thread is passed (specifically, a corresponding thread tension setting dial or the like is colored with each of the above colors). .

Next, when the screen feed switch 11 is operated after passing the three looper threads as described above, the process proceeds to "NO" in step S102, to "NO" in step S110, and to step S118. To "YES", and to "NO" in step S120, regarding the display mode as shown in FIG. 12, that is, regarding the type 72a of the needle thread and the thread passing method (thread passing order). A screen 72 displaying a message 72b instructing a procedure is displayed (step S126). Then, the operator follows the message displayed on the display screen 72 and the two sewing needles 5
Thread the thread. In this case, "span" is used as the needle thread, and the "red" thread and the "yellow" thread are passed through the two sewing needles 5 in this order. Also in this case, as in the case of the looper thread, "red" and "yellow" indicate which of the two sewing needles 5 the two needle threads correspond to, that is, the correspondence relationship. , It does not show the actual color of the thread. Then, the sewing machine main body 1 is appropriately provided with a colored portion of each color for indicating the route through which each thread is passed (specifically, a corresponding thread tension setting dial or the like is colored with each of the above colors). .

Then, when the screen feed switch 11 is operated after passing the needle thread as described above, step S1
02, the process proceeds to “NO”, and in step S104, “N”
"O", proceed to "YES" in step S118,
In step S120, the process proceeds to “NO”, and a screen 74 as shown in FIG. 13 is displayed, that is, a screen 74 for displaying a message instructing the optimum (recommended as a manufacturer) tension adjustment value for each yarn (step S126). ). The operator follows the message 74a displayed on the display screen 74 to set each thread tension setting dial 13, 14, 15, 16
Rotate and set the tension of each thread.

After that, when the screen feed switch 11 is operated, the process proceeds to "NO" in the step S102 and the step S
At 110, the process proceeds to “NO”, and at step S118, “Y”
Go to "ES", go to "NO" in step S120,
A display mode as shown in FIG. 14, that is, a differential feed ratio 76
A screen 76 is displayed which displays a message instructing each of the optimum (recommended by the manufacturer) adjustment values for a, the cloth feed amount 76b, and the overedging width 76c. According to the message displayed on the display screen 76, the operator rotates the cloth feed dial 17, the overedging width dial 18, and the differential dial 19 to rotate the differential feed ratio, the cloth feed amount, and
Set the overedging width to each optimum adjustment value.

Next, when the screen feed switch 11 is operated, the process proceeds to "NO" in step S102, and step S
At 110, the process proceeds to “NO”, and at step S118, “Y”
Go to "ES", go to "NO" in step S120,
The display mode as shown in FIG. 15, that is, the set position 78a of the stitch tongue and the set position 78 of the double lock lever is shown.
A screen 78 is displayed which displays a message instructing "b". The operator sets the stitch tongue and the double lock lever according to the message displayed on the display screen 78.

When the screen feed operation switch 26 is further operated, the process proceeds to "NO" in step S102, to "NO" in step S110, and to step S118.
To "YES", and "NO" in step S120.
16, the screen 80 as shown in FIG. 16 is displayed, that is, the type 80a of the presser foot and the movable blade setting position 80b of the knife device are displayed. According to the message displayed on the display screen 80, the worker attaches the instructed cloth presser to the cloth presser bar and sets the movable blade of the knife device to the instructed setting position.

After that, when the screen feed switch 11 is operated, the process proceeds to "NO" in the step S102 and the step S
At 110, the process proceeds to “NO”, and at step S118, “Y”
Go to "ES", go to "NO" in step S120,
A screen 82 displaying a display mode as shown in FIG. 17, that is, a message 82a instructing each set position of the female cover and a message 82b instructing the setting state of the double return stitching screw is displayed. The operator displays this display screen 82
In accordance with the message displayed on, set the female cover at the instructed setting position and tighten the double return stitching screw to the instructed setting state.

When the screen feed switch 11 is operated on the display screen 82 shown in FIG. 17, step S1
02, proceed to “NO”, and in step S110, “N
"O", proceed to "YES" in step S118,
In step S120, the process proceeds to “NO”, and the display mode shown in FIG. 6, that is, the selection screen 60 is displayed and the screen is returned to the first screen.

On the other hand, if the sewing is not successful, the first selection switch 9 is operated on the initial screen (selection screen 60) shown in FIG. From the selection items 62a to 62k shown in 7, the selection item 62k ("trouble (Umaku Nuenoki)")
Select to display. When this selection display is performed, the trouble type 8 shown in FIG.
For example, the highest trouble type 84a from 4 is displayed, and the display mode shown in FIG. 19, that is, the trouble selection screen 86 for selecting the trouble type is displayed. When it is desired to switch and display the type of trouble, that is, the selection item B on the second line, with the trouble selection screen 86 displayed, the second selection switch 10 is operated. Then, the process proceeds to “NO” in step S102, proceeds to “YES” in step S110, proceeds to “YES” in step S112, and the selection item B on the second line is displayed as the type of trouble 84a (“Tocorro de Coronée”). 18) from the trouble type 84b (“Itocho Shiga Awanai”), and every time the second selection switch 10 is operated, the trouble types 84a to 84j shown in FIG. Then, the display changes in order from the top.

Now, when the type of trouble that has actually occurred is "Nunoji Ganobiru" and you want to select this, in the screen state of FIG.
It only has to be operated twice. As a result, the selection screen 88 of the display mode shown in FIG. 20 is displayed. Then, when the user wants to know the countermeasure (the coping method) for the trouble type "Nunoji ga nobiru", when the screen feed switch 11 is operated on the display screen 88 of FIG. 20, the process proceeds to "NO" in step S102, and step S110. To "NO" in step S118, to "YES" in step S120, to "YES" in step S120, to "YES" in step S122, and the display mode shown in FIG. The display screen 90 for displaying a message instructing countermeasures for the type is displayed (step S126).

As a result, the worker determines that the presser foot pressure is strong according to the message displayed on the display screen 90 of FIG. 21, and adjusts the presser foot pressure dial to the left to weaken the presser foot pressure. After that, when the trouble is eliminated by the above adjustment, the sewing is continued under the above conditions. On the other hand, when the trouble is not solved by the adjustment, or when the trouble occurs even after the adjustment has already been performed, the screen advance switch 11 is further turned on while the selection screen 90 shown in FIG. 21 is displayed. When operated,
A display mode 92, that is, a display screen 92 for displaying a message instructing different countermeasures for the type of trouble
Is displayed (step S126). In this case, the operator determines that the differential ratio is small according to the message displayed on the display screen 92 of FIG. 22, and rotationally operates the differential dial 19 to make an adjustment to increase the differential ratio. After that, when the trouble is eliminated by the above adjustment, the sewing is continued under the above conditions.

By displaying the message "** Owari **" on the display screen 92 of FIG. 22, the above two adjustments are the only countermeasures against the trouble "Nunoji ga nobiru". It is shown that. Therefore, if the trouble cannot be resolved even after the above two adjustments are made, it is necessary to call a service person to request adjustment and repair.

When the screen return switch 12 is operated on each of the display screens shown in FIGS. 10 to 17, the process proceeds to "NO" in step S102 and step S110.
To "NO" in step S118, to "NO" in step S118, to "YES" in step S128, to "NO" in step S130, respectively to the previous display screen (display screen shown in FIG. 17). When it is 82, the display screen 80 shown in FIG. 16, ..., When it is the display screen 74 shown in FIG. 13, it is the display screen 72 shown in FIG. 12 and the display screen 68 shown in FIG.
In this case, the display screen 60) shown in FIG. 6 is displayed on the display screen.

Further, when the screen return switch 12 is operated on the display screen 60 of FIG. 6, the process proceeds to "NO" in step S102, to "NO" in step S110, and to "NO" in step S118. , Step S
If "YES" is reached at 128 and then "YES" is reached at step S130, and it is determined that the combination of the sewing method 62a and the fabric 64f on the display screen 60 is inappropriate, step S is performed.
At 132, the process proceeds to “NO” and the warning display screen 6 shown in FIG.
6 is displayed, and if it is determined that the combination is appropriate, the process proceeds to “YES” in step S132, and the display screen 82 shown in FIG. 17 is displayed.

On the other hand, when the screen return switch 12 is operated on each of the display screens shown in FIGS. 21 and 22, the process proceeds to "NO" in step S102, to "NO" in step S110, and to "NO" in step S118. NO ”, proceeds to“ YES ”at step S128, proceeds to“ NO ”at step S130, and returns to the previous display screen (the display screen 90 shown in FIG. 21, when the display screen 92 shown in FIG. When the display screen 90 shown in FIG. 21 is displayed, the display screen 88) shown in FIG. 20 is displayed. Further, when the screen return switch 12 is operated on the display screen 88 of FIG. 20, “N” is displayed in step S102.
O ”, proceed to“ NO ”at step S110, proceed to“ NO ”at step S118, and step S128.
Then, proceed to “YES” and proceed to “YE” at step S130.
S ”, proceed to“ YES ”at step S132,
The display screen 92 shown in FIG. 22 is displayed.

In the above embodiment, the sewing method 62a is "borderless + genui 5 honito" and the cloth 64a is used.
It was explained in detail about the case of "Fuji" and the case of the type of trouble is "Nunojiganobiru". However, in the case of other sewing methods and combinations of other fabrics and cases of other trouble types. Can be operated in almost the same manner.

According to the lock sewing machine of this embodiment having such a structure, when a trouble occurs during sewing, FIG.
By operating the first selection switch 9 on the selection screen 60 shown in (1), the selection item 62k ("trouble (Umakunuenoki)") is selected and displayed as the selection item A in the first line. As a result, the selection item B on the second line
Becomes a display mode for displaying a plurality of trouble types that may occur during sewing (see FIG. 19). In this state, by operating the second selection switch 10, the display of the selection item B on the second line is switched to selectively display the type of trouble that actually occurred (see FIG. 20). And
When the user wants to know the countermeasure for the trouble that has occurred, if the screen feed switch 11 is operated in the selection display state, the countermeasure for the trouble will be displayed on the display screen of the liquid crystal display device 8 (see FIGS. 21 and 22). ). As a result, when dealing with a trouble, unlike the conventional configuration, all that is required is to visually check the display screen of the liquid crystal display device 8, and the work of reading the operation manual can be eliminated, resulting in a significant workability. improves.

In the above embodiment, the first switch 9 for selecting the sewing method and the first switch for selecting the cloth are used as the switches used when the type of trouble is displayed and selected on the display screen of the liquid crystal display device 8. Since the second switch 10 is also used, the number of switches does not have to be increased and the overall structure is simplified.

In the above embodiment, the type of trouble is selected and displayed, and then the countermeasure for the selected and displayed trouble is displayed. However, the present invention is not limited to this. When a trouble sheet showing a list of countermeasures (consisting of explanations and reference diagrams) is provided, and the type of trouble is selected and displayed with the identification symbol (eg, number) given to each countermeasure in this trouble sheet May be configured to be displayed together on a part of the screen. With this configuration,
By visually recognizing the identification symbol when the type of trouble is selected and displayed, it is extremely easy to find a countermeasure that corresponds to the trouble that occurred from the countermeasures on the trouble sheet, which is convenient. .

In the above embodiment, the selection item 62k ("Trouble
Nueniteki))) is selected and displayed, and the type of trouble is sequentially displayed on the second line. Instead, the first line display and the second line display are upside down. Maybe, "Trouble (Umaku Nuenoki)"
After selecting and displaying, the type of trouble may be sequentially displayed on the display line.

Further, when displaying various messages on the display screen of the liquid crystal display device 8, the displayed message may be simultaneously output by voice. With this configuration, the content of the message can be more easily understood, and the usability can be further improved.

[0043]

As is apparent from the above description, the present invention is provided with a trouble display means for displaying a plurality of trouble types that may occur during sewing, and a plurality of troubles displayed on the display means. Since it is equipped with trouble selection means to select the type of trouble that has actually occurred, it is possible to eliminate the need to read the operation manual when a trouble occurs during sewing, improving workability. It has an excellent effect that it can be greatly improved.

[Brief description of drawings]

FIG. 1 is a front view of a lock sewing machine showing an embodiment of the present invention.

FIG. 2 is a block diagram.

FIG. 3 is a conceptual diagram showing a storage area of a ROM.

FIG. 4 is a conceptual diagram showing a storage area of a RAM.

FIG. 5: Flow chart

FIG. 6 is a front view showing one aspect of a display screen.

FIG. 7 is a diagram showing a list of types of sewing methods.

FIG. 8 is a diagram showing a list of types of cloth.

FIG. 9 is a front view showing another mode of the display screen.

FIG. 10 is a front view showing a different aspect of the display screen.

FIG. 11 is a front view showing another aspect of the display screen.

FIG. 12 is a front view showing another mode of the display screen.

FIG. 13 is a front view showing another aspect of the display screen.

FIG. 14 is a front view showing another aspect of the display screen.

FIG. 15 is a front view showing another mode of the display screen.

FIG. 16 is a front view showing another aspect of the display screen.

FIG. 17 is a front view showing another aspect of the display screen.

FIG. 18 is a diagram showing a list of trouble types.

FIG. 19 is a front view showing another mode of the display screen.

FIG. 20 is a front view showing another mode of the display screen.

FIG. 21 is a front view showing a different aspect of the display screen.

FIG. 22 is a front view showing another mode of the display screen.

[Explanation of symbols]

1 is a sewing machine main body, 5 is a sewing needle, 6 is a looper, 8 is a liquid crystal display device (trouble display means, countermeasure display means), 9 is a first
Selection switch (trouble selection means), 10 is a second selection switch (trouble selection means), 11 is a screen feed switch, 12 is a screen return switch, 22 is a controller,
Reference numeral 23 is a ROM (storage means), and 24 is a RAM.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Osamu Kamiya 15-1 Naedai-cho, Mizuho-ku, Nagoya-shi Brother Industries, Ltd. (72) Akihiro Wakayama 15-1 Naedai-cho, Mizuho-ku, Nagoya-shi Brother Industries, Ltd. (72) Inventor Tomo Inoue, 15-1, Naeshiro-cho, Mizuho-ku, Nagoya City Brother Industries, Ltd.

Claims (2)

[Claims] 1. A storage means for storing data and the like for sewing with a sewing machine, a trouble display means for displaying a plurality of trouble types that may occur during sewing, and a plurality of trouble display means for displaying a plurality of troubles. And a trouble selection means for selecting a trouble type that has actually occurred from among the trouble types described in 1. 2. The lock sewing machine according to claim 1, further comprising: countermeasure display means for displaying countermeasures for the type of trouble selected by the trouble selecting means.