JPH01139094A - Sewing machine eguipped with information indicator - Google Patents

Abstract

PURPOSE: To easily and surely produce a practical work while effectively utilizing a sewing machine by displaying pattern information relating to a pattern selected by a pattern selection means at a display device while being switched to an internal memory and displaying work guide information at the display device while being switched to an external memory. CONSTITUTION: A switch 19 is switched to the internal memory based on the changeover switch flag data of an RAM 33. The numeral key of a pattern selection switch 15 is operated so as to input a desired pattern number in two digits so as to display pattern data. The pattern data of an ROM 34 corresponding to the numeral data of the two digits stored in a pattern number memory are read and the pattern data are displayed on a display 9. Then, in order to produce the practical work, a memory cassette 18 storing the work guide information is mounted to this sewing machine M and the changeover switch 19 is switched to the external memory. Based on the counted value of a display page counter, the explanation data of a page indicated by the display page counter of the memory cassette 18 are read and the read explanation data are displayed on the display 9.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a sewing machine equipped with an information display device, and particularly to a sewing machine that can switch between pattern information and work guide information regarding the production of practical works. .

[Prior art]

In addition to straight stitches and zigzag stitches, recent electronically controlled zigzag sewing machines can sew many stitches such as buttonholes, button attachments, triple stitches and overlock stitches, overcut stitches, and many patterns such as letters and marks. Sewing is possible.

When a desired pattern is selected from among these many types of stitch patterns, the number, name, shape, and type of presser foot used to sew the selected pattern are displayed on the display. There is something I did.

For example, JP-A-62-101283 states that when a desired stitch is selected from the stitch data stored in the stitch data memory of the sewing machine, the pattern number corresponding to the selected pattern is displayed on the liquid crystal display. Also, when a desired pattern is selected from the pattern data stored in the memory cassette as an external memory, the image of the pattern is displayed on the liquid crystal display.It is possible to display the stitch patterns stored in the memory cassette. A sewing machine is listed.

[Problem that the invention seeks to solve]

The conventional electronically controlled zigzag sewing machine is configured to display information related to the selected pattern, such as the name, shape, and type of presser foot of the selected pattern, and information related to sewing various stitch patterns.

However, information on how to use the sewing machine to create practical items is not displayed.

Therefore, when producing practical works such as skirts and blouses, for example, purchase a style book that lists various practical works such as skirts and blouses, and explain the series of work described in the section of the desired practical works. You will be creating it while reading the text. However, since the explanations in this style book assume that the general knowledge about dressmaking has been acquired, the explanation for the production of one piece is simplified, and the explanations are simplified so that the operator can understand the general knowledge about dressmaking. If you don't have the knowledge, you won't be able to create the work based on that explanation alone.

[Purpose of the invention]

An object of the present invention is to provide an information display that is capable of displaying not only information regarding sewing various seam patterns, but also detailed work guide information regarding a series of work contents necessary for producing a practical work. An object of the present invention is to provide a sewing machine equipped with a bag device.

[Means for solving problems]

As shown in the functional block diagram of FIG. 1, a sewing machine equipped with an information display device according to the present invention includes a pattern selection means for selecting a desired pattern from among a plurality of patterns that can be sewn by the sewing machine; Produce a practical work using a sewing machine equipped with an internal memory for storing pattern information for each of the patterns, a display provided on the sewing machine body to display the information, and display control means for controlling the display. a memory cassette which is removably attached to the sewing machine body and has an external memory for storing work guide information regarding a series of work contents necessary for the sewing machine; a switching means for switching between the internal memory and the external memory; and a switching means for switching between the internal memory and the external memory; While being switched to the internal memory by the means, pattern information regarding the pattern selected by the pattern selection means is output to the display control means to be displayed on the display, and the pattern information is being switched to the external memory. and readout control means for outputting the work guide information to the display control means and displaying it on the display.

[Effect]

In a sewing machine equipped with an information display device according to the present invention,
While the switching means is switching to the internal memory side, the readout control means outputs desired pattern information selected by the selection means from among the pattern information regarding each of the plurality of patterns stored in the internal memory to the display control means. to display on the display.

On the other hand, when the switching means has switched to the external memory side, the readout control means outputs the work guide information stored as external memory in the memory cassette attached to the sewing machine body to the display control means and displays it on the display. let

〔Effect of the invention〕

According to the sewing machine equipped with the information display device according to the present invention, as explained above, the desired pattern information selected by the selection means and the work guide information can be switched and displayed. When the switch is made, the operator can easily know the contents of the series of work related to the production of the practical work displayed on the display, and the production of the practical work becomes easier.

The work guide information stored in the external memory can include various information on the use of the sewing machine or the operation of the sewing machine, which is unique to the sewing machine, so it is possible to display a large amount of detailed work guide information necessary in the process of making practical work. Even beginners with little knowledge of dressmaking will be able to easily create practical works.

Since the display device for displaying the pattern information stored in the internal memory is configured to display the work guide information in the external memory, the display device can be used effectively.

〔Example〕

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 2 shows an electronically controlled zigzag sewing machine to which the present invention is applied.

A needle bar vertical drive device, a needle bar swing drive device, and a thread take-up drive device are built into the arm portion l of this sewing machine M, and the needle bar vertical drive device, needle bar swing drive device, and thread take-up drive device are incorporated into the bed portion 2. A feed drive device and a back and forth feed drive device for moving the feed dog back and forth are incorporated, and these needle bar swing drive device and back and forth feed drive device are controlled by a pulse motor 2 controlled by a control device C1.
6 and 27 (see FIG. 3), and the needle bar vertical drive device, thread take-up drive device, and vertical feed drive device are driven by a sewing machine motor (DC motor) 28 (see FIG. 3).

The reference numeral 5 is a needle bar, 6 is a sewing needle, 7 is a presser bar, and 8 is a presser foot.

Arm part 1 of this sewing machine M has 120 dots vertically x 6 dots horizontally.
A large liquid crystal display 9 consisting of 40 dots, a start/stop switch 10 for starting or stopping the sewing operation, and an upper thread tension dial 11 that can adjust the thread tension of the upper thread from a strong state to a weak state. is installed.

The pillar portion 3 includes a speed volume 12 that can change the sewing speed from low speed to high speed, a feed adjustment volume 13 that can arbitrarily adjust the feed amount of the work cloth, and a needle that can arbitrarily adjust the amount of swing of the sewing needle 6. A swing adjustment volume 14, a pattern selection switch (from “0” to
(number key "9") 15, a changeover switch 19 for selectively switching between pattern data (pattern information) related to the pattern stored in the internal memory and work guide data stored in the external memory for one day of the memory cassette; Increase keys 16 and 1 for sequentially updating the explanation page of the work guide data stored in the memory cassette 18 page by page
A Decrease key 17 is provided for sequentially selecting the previous explanatory data page by page.

Next, the overall configuration of the control system of sewing machine M is shown in Figure 3.
This will be explained based on the block diagram shown in FIG.

The control system of this sewing machine M consists of a sewing machine control section MC and a display control section DC, and the sewing machine control section MC includes a CPU (central processing unit), ROM (read only memory), and RAM (random access memory). ), etc., and the display control unit DC includes a CPU 31 and R
Control device C2 consisting of OM32/34, RAM33, etc.
It is equipped with

The sewing machine control unit MC is similar to an existing electronically controlled zigzag sewing machine, and will therefore be briefly described.

The following switches and the like are connected to the control device C1 as input signals.

Start/stop switch 10 that outputs start and stop signals, pattern selection switch 15 that selects a pattern, A/D
A speed volume 12 that outputs a setting speed signal via a converter 20, a feed adjustment volume 13 that outputs a feed position setting signal via an A/Dim device 21, and an A/D converter 2.
2, a needle swing adjustment volume 14 for outputting a needle swing position setting signal is connected.

Furthermore, a pulse motor driver 23 that drives a pulse motor 26 for swinging the needle bar, a pulse motor driver 24 that drives a pulse motor 27 for forward and backward feeding, and a sewing machine motor driver 25 that drives a sewing machine motor 28 are connected to the control device C1. There is.

The ROM of the control unit WC1 contains buttonhole, straight stitch,
For each of a large number of stitch patterns such as zigzag stitches, overcut stitches, blind stitches, etc., data regarding the amount of swing of the needle bar 5, the amount of feed of the feed dog, and the feed direction for each sewing operation are stored in advance in correspondence with the pattern number. Based on the stored pattern data, the selected pattern data, the feed position setting signal from the feed adjustment volume 13, and the needle swing position setting signal from the needle swing adjustment volume 14, the pulse motor 26 for swinging the needle bar moves forward and backward. a control program for controlling the feeding pulse motor 27;
Corresponds to the setting speed signal from speed volume 12,
Further, a control program for controlling the driving of the sewing machine motor 28 in accordance with the operation of the start/stop switch 10 is stored.

The RAM of the control device C1 is provided with various types of memories that temporarily store results of arithmetic processing performed by the CPU.

Next, the display control unit DC that performs display control according to the present invention will be explained.

The display control unit DC has an interface 29 and a control device C.
2, an increase key 16, a decrease key 17, a changeover switch 19, and a display mechanism, which are connected as shown in the figure.

When the changeover switch 19 is switched to the internal side (in other words, the internal memory containing pattern data), rl(J
The level changeover switch signal is sent to the CPU 31 of the control device C2.
When it is switched to the external side (that is, the external memory in the memory cassette 18), it outputs an "L" level changeover switch signal to the CPU 31.

The display mechanism is composed of a display controller 30 and a liquid crystal display 9, and the display controller 30 has an increase key 16 or a decrease key 17.
The desired display data selected by the operation of the control device C
2 and writes the display data into the display RAM, and at the same time outputs a display signal corresponding to the display data to the display 9.

As shown in FIG. 4, the control device C2 includes a CPU 31 and a ROM 32, a RAM 33, and an RO that store various programs connected to the CPU 31 via a data bus or the like.
It consists of an M34 and an input/output interface 35.

The ROM 32 stores a control program for display control, which will be described later, a control program for controlling the display mechanism, and the like.

The RAM 33 includes a pattern number memory that stores the pattern number selected by the pattern selection switch 15, a 10th flag that is set when the 10th pattern number is input when inputting a 2-digit pattern number, and a display. A display page counter that indicates the page to be displayed, a cassette flag that is set when the memory cassette 18 is connected, and a changeover switch 19
(The changeover switch flag, which is set when the J level changeover switch signal is output or is reset when the changeover switch 19 outputs the "L" level changeover switch signal, and explanatory information about the memory cassette 18 are displayed on the display 9. Various types of memories are provided to temporarily store work flags that are set when a work is performed, and the results of arithmetic processing performed by the CPU 31.

ROM34 as internal memory has buttonholes,
For each of multiple stitch patterns such as straight stitch, zigzag stitch, and various stitch stitches, the name of the stitch pattern, the shape of the stitch pattern, the type of presser foot used, the amount of swing of the needle bar 5, and the Pattern data (pattern information) including the feed amount and pattern number is input and stored in advance, and each pattern can be selected by selecting the pattern number with the pattern selection switch 15, and the pattern data of each stitch pattern is displayed on the display. 9 1 screen (
(Hereinafter referred to as 1 page)
” or “O” dot information.

Port PO of the input/output interface 35 is connected to a 5V power supply via a pull-up resistor, and the memory cassette 18 is connected to the input/output interface 35 (sewing machine M
When not connected to the main unit), the port PO is r)
(When the J level signal is input and the memory cassette 18 is connected, the "L" level signal is input to the port PO due to the connection of the ground line from the memory cassette 18.

A memory cassette 18 (external memory) that can be attached to and detached from the sewing machine M is prepared for various practical works such as skirts, dresses, and blouses. Skirts are available by type and size.

Each memory cassette 18 includes the process (work) of placing the pattern on the fabric, the cutting process, oversewing, dart sewing, etc.
Work guide data (work guide information) regarding a series of work contents necessary to produce a practical work such as ``Work Guide Information'' is stored in the form of an explanatory text and a diagram to make the explanatory text easier to understand. Furthermore, this explanatory text indicates that each dot is "1" corresponding to one screen (hereinafter referred to as one page) of the display 9.
” or as a numerical value of “0”.

Next, the display control routine performed by the control device C2 of the control section DC of the sewing machine will be explained based on the flowchart shown in FIG.

When the power switch (path shown) is turned on, this control starts and moves to step 31 (hereinafter simply referred to as Sl, other steps are handled in the same way), where the pattern number memory, 10th flag, and display page counter are stored. Initial settings such as setting or resetting the cassette flag according to the signal level of the boat PO of the input/output interface 35, and setting or resetting the changeover switch flag according to the changeover switch signal from the changeover switch 19 are executed. Then, the process moves to S2. In S2, it is determined based on the changeover switch flag data in the RAM 33 whether the changeover switch flag is set or not, that is, whether the changeover switch 19 has been switched to the internal memory. If it has been switched, the process moves to S3. In S3, in order to enter the desired pattern number in two digits, press the number key ("0") of the pattern selection switch 15.
It is determined whether or not a key (from "9") has been operated, and if it is a numeric key, the process moves to S4. In S4', it is determined whether or not the 10th place flag is set, that is, whether the numeric data subjected to the intervention is numeric data corresponding to the 10th place.If the 10th place flag is not set, the intervention is performed in S5. At the 0th order, 36, where the input numerical data is stored as the 10th number in the pattern number memory, the 10th place flag is set, and the process returns to S2.

Then, when the number corresponding to the first digit of the pattern number is input, the process goes through steps 32 to S3 and is determined to be NO in S4, and the process moves to S7. In S7, the input numerical data is stored in the pattern number memory as the first number. In S8,
The 10th place flag is reset, and the ROM3 corresponding to the 2-digit numerical data stored in the pattern number memory in S9
The pattern data No. 4 is read out, the pattern data is displayed on the display 9, and the process returns to S2. Note that when a key other than the numeric key is operated, a negative determination is made in S3 and the process returns to S2.

For example, when the number keys "1" and "0" are input, the pattern number "10", the name of the stitch pattern "buttonhole", the shape of the stitch pattern, and the presser foot are input as shown in FIG. The type of needle bar, the amount of swing of the needle bar, and the feed amount of the work cloth are displayed. Then, the operator replaces the presser foot according to the displayed pattern data, sets the swing amount and feed amount, and then operates the start/stop switch 10 to form buttonhole stitches.

Next, when the memory cassette 18 storing work guide information for, for example, a tight skirt is installed in the sewing machine M and the changeover switch 19 is changed to external memory in order to produce a practical work, S2 is selected based on the data of the changeover switch flag. DeN
It is determined as O, and the process moves to S10. In the SIO, it is determined whether the memory cassette 18 is connected and the rl and J level signals are input to the port PO of the input/output interface 35, that is, whether the cassette flag has been reset. Move to. In Sit, it is determined whether the work flag is set based on the flag data of the work flag, and if it is not set, the process moves to 312. In S12, the display page counter is cleared (initialized). S
13, based on the count value of the display page counter,
The explanatory data of the page indicated by the display page counter of the memory cassette 18 is read, and in the next step 514, the read explanatory data is displayed on the display 9, and the S
15, the work flag is set.

Immediately after the memory cassette 18 is connected to the sewing machine M, the explanatory data of the first page of the memory cassette 18 is displayed on the display 9. For example, Fig. 7(a)
As shown in the figure, a tight skirt was selected as a practical work, and memory cassette 18 of "Tight Skirt" was installed on sewing machine M.
When connected to the memory cassette 18, the first page of explanatory data of the plurality of pages of explanatory information stored in the memory cassette 18 is displayed on the display 9.

At 316, it is determined whether the changeover switch 19 has been switched to external memory, and if it has been switched to external memory, the process moves to 317.

Increase key 1 to display the next descriptive data.
When operating 6, it is determined as Yes at 317 and S1
8, the display page counter is incremented, and the process returns to 513.

Also, when the Decrease key 17 is operated to display the previous explanation data, the determination is No in 317, the determination is Yes in 319, the process moves to S20, the display page counter is decremented, and the process returns to S13. .

Here, the memory cassette 1 displayed on the display 9
When a sewing machine M is used for overcutting, dart stitching, etc. while producing a practical work according to the explanatory data 8, and the pattern data is to be displayed on a display 9, a changeover switch 19 is switched to internal memory. At this time, the determination in S16 is No, S3 and subsequent steps are executed, and the desired pattern data is displayed on the display 9.

When the user wishes to continue producing the practical work, the selector switch 19 is switched to the external memory. At this time, No is determined in S2, Yes is determined in S11 after SIO, and S13 and subsequent steps are executed based on the data of the display page counter, and the explanation data at the time of interruption is displayed on the display 9.
will be displayed.

Incidentally, when the SIO determines NO, the process moves to S21, a message "Memory cassette is not connected" is displayed, and in the next step 322, the work flag is reset, and the process returns to S2.

For example, when the increase key 16 is operated multiple times, the explanatory data shown in FIG. 7(b) is displayed first, then the explanatory data shown in FIG. 7(C) is displayed, and then the explanatory data shown in FIG.
The explanatory data shown in FIG. 7(d) is displayed, and the next explanatory data are sequentially displayed in the same manner as in FIG. 7(e), FIG. 6(f), and so on.

Next, for example, when the memory cassette 18 of a practical work of "tight skirt" is installed in the sewing machine M, work guide data regarding the series of work contents necessary to manufacture the tight skirt stored in the memory cassette 18 will be explained. I will explain them one by one.

First, on the first page, the name of the practical work "Tight Skirt" and an external view of the completed tight skirt are displayed.

On the second page, the names of a series of process contents and the display page (table of contents) of each process content are displayed.

From the 3rd page to the 6th page, the explanation and reference diagram for placing the pattern on the fabric and the explanation and reference diagram for fixing the pattern to the fabric with gusset needles regarding the process details rl) Cutting diagram. is displayed.

From the 7th page to the 8th page, regarding the process content "2) Marking", explanatory text and reference diagrams for marking cutting lines for cutting are displayed.

On the ninth page, explanatory text and reference diagrams regarding the process content "3) Cutting" are displayed.

From page 10 to page 13, the process details “4)
Regarding "Killing", explanatory text and reference diagrams for making cuts at seams such as outlines of paper patterns, dart lines, pleat lines, etc. are displayed.

On the 14th page, regarding the process content "5) Overcasting", an explanatory text and a reference diagram are displayed when the edges of the cut fabric are overcast using the sewing machine M. Note that detailed explanations for operating the sewing machine M are displayed at the same time.

The 15th page is about the process content “5) Dart stitching”.
Explanatory text and reference diagrams for dart stitching with sewing machine M are displayed.

Similarly, the explanation text displayed from "7) Side stitching" to "12) Button attachment" will be briefly explained below.

7) Side seam (1) Sew the sides of the outer material with a sewing machine (2) Divide the seam allowance.

Note) Leave the zipper gap on the left knee (approximately 20cm+) and sew the side stitches (3) Sew the side of the lining with a sewing machine Note) Leave the zipper gap on the left knee (approximately 20C11) and sew the side stitches 8) Attaching the zipper (1) Apply adhesive tape to the area where the zipper will be attached so that it does not stretch or shrink. (2) Attach the zipper to the left knee of each of the front and back skirts. Note: The zipper on the front skirt should be hidden. (3) Clean up the zipper opening 9) Hem hem (1) Use a sewing machine to sew the hem of the front skirt and back skirt on the outer material ■ Attach the presser foot for blind stitch ■ Use the pattern selection switch Select blind stitch ■ Align the guide of the presser foot with the folding peak and lower the presser foot ■ Start blind stitching with the start switch (2) Use the sewing machine to stitch the hem of the front skirt and back skirt of the lining 10) Attaching the lining (1) For both the front skirt and the back skirt, saddle stitch the outer fabric and the lining 11) Attaching the belt (1) Insert the core inside the front part of the belt (2) For the outer skirt and the lining skirt Insert the top end inside the belt and close the back of the belt with a sewing machine. 12) Attaching the button (1) Use a sewing machine to sew a buttonhole on the front part of the belt that will be attached. (2) This will be the back of the belt. Attach the button to the carry-out part using a sewing machine.If the button is not attached, attach a key hook and snap to the carry-out part of the belt.As explained above, when the selector switch 19 is switched to external memory, the button stored in the memory cassette 18 A series of operations required to produce a practical work are sequentially displayed in detailed explanatory text and reference diagrams to make the explanation easier to understand, and when the changeover switch 19 is switched to internal memory, the pattern selection switch 15 is used to select Since the information regarding the desired stitch pattern is displayed, it is possible to easily and reliably produce a practical work while making effective use of the sewing machine M.

The present invention also relates to a sewing machine M in which a memory cassette 18 is detachable (for example, Japanese Patent Laid-Open No. 62-101 filed by the applicant).
Of course, the present invention can also be applied to the sewing machine (described in Japanese Patent No. 283, which is capable of displaying stitch patterns stored in a memory cassette).

[Brief explanation of the drawing]

Figure 1 is a mechanical block diagram showing the configuration of the present invention, Figures 2-
Fig. 7 shows an embodiment of the present invention, Fig. 2 is a perspective view of an electronically controlled zigzag sewing machine, Fig. 3 is a block diagram of the control system of the sewing machine, and Fig. 4 is a control device for display control. Block diagram, Figure 5 is a flowchart of the display control routine,
FIG. 6 is an explanatory diagram illustrating a display example of pattern data, and FIGS. 7(a) to 7(0) are explanatory text and explanatory diagrams corresponding to the contents of each process of the tight skirt, respectively. M...Sewing machine, 9...Display, 15...
Pattern selection switch, 18...Memory cassette, 19
・・Choice switch, 31・・CPU, 32・34・
・ROM5 D...Display mechanism, C2...Control device. Patent applicant: Brother Industries, Ltd. Figure 1

Claims (1)

[Claims] (1) A pattern selection means for selecting a desired pattern from a plurality of patterns that can be sewn by the sewing machine, an internal memory for storing pattern information regarding each of the plurality of patterns, and a sewing machine body for displaying the information. A sewing machine equipped with a display mounted on a display and display control means for controlling the display, the sewing machine having an external memory for storing work guide information regarding a series of work contents necessary for producing a practical work, a memory cassette detachably mounted on the sewing machine body; a switching means for switching between the internal memory and the external memory; and a pattern selected by the pattern selection means while being switched to the internal memory by the switching means. Outputting pattern information regarding the pattern to the display control means and displaying it on the display device, and outputting the work guide information to the display control means and displaying it on the display device while switching to the external memory. A sewing machine equipped with an information display device, characterized in that it is equipped with a readout control means.