JPH0647179A - Embroidering sewing machine - Google Patents

Abstract

PURPOSE:To facilitate the layout of the next pattern after the first pattern has been sewed if sewing of plural patterns is required by displaying a stored alreadly sewed pattern area together with that being arranged, and enabling the relative positions of the alreadly sewed pattern and that being arranged to be visibly recognized. CONSTITUTION:When a letter is selected from a pattern selecting screen, a control unit reads embroidery data corresponding to the letter from a ROM and reads display data from the ROM and displays pattern data on LCD 44. When a sewing position key is pushed down, the control unit changes the display to a layout display screen. If the layout of the next line of letters is required after embroidery is finished, the position 18' of the line of sewed letters is e. g. inverted and left on the screen. When a pattern area 18 showing the line of letters being arranged overlaps a previously sewed area l8', a sewing position correcting key 52 is controlled so that the previously sewed area 18' does not overlap the pattern area 18.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an embroidery sewing machine, and more particularly to a sewable area and a sewable area movable with respect to the sewable area in order to easily determine the position of a pattern area. The present invention relates to an embroidery sewing machine that has a display device for displaying both and that allows easy pattern layout.

[0002]

2. Description of the Related Art Generally, in an embroidery sewing machine, in addition to selecting a seam pattern such as a sewing character and designating the size of the character, the seam pattern is sewn in a predetermined area on a work cloth held by an embroidery frame. Therefore, it is necessary to specify the pattern area.

Therefore, for example, as shown in FIG.
0 is provided with a display 12, and as shown in FIG. 2, the display 12 has a movable range (sewable range) 16 of a rectangular embroidery frame 14 (see FIG. 3) and a sewing area of the input pattern ( Displaying a pattern area 18) has been proposed in JP-A-63-105787 and JP-A-63-200792. In FIG. 2, 19 is a needle position.

Here, the embroidery frame 14 is pressed by the sewing position correction key 20 which is provided in the vicinity of the display 12 and is composed of, for example, four types of keys, "←", "→", "↑", and "↓". And needle 2
When the relative position of 2 (see FIG. 3) is corrected, for example, as shown in FIG. 4, at the same time, as shown in FIG. 5, the moved pattern area 18 is displayed on the display unit 12. In this case, for example, when the "←" key and the "↑" key are operated, the pattern area 18 moves in the upper left direction, and the embroidery frame 14 moves in the lower right direction.

3 and 4, reference numeral 24 is an embroidery (frame moving) device for changing the relative position between the needle 22 and the embroidery frame 14, that is, the relative position between the work cloth held by the embroidery frame 14 and the needle 22. Is.

[0006]

However, conventionally, when the sewing position is corrected and the sewing is completed, the sewing position display by the pattern area 18 is automatically cleared, so that two lines and three lines are displayed. When continuously sewing character strings, etc., the relative positions of the character strings cannot be visually checked on the display 12,
It has a problem that it is difficult to lay out the next pattern area.

The present invention has been made to solve the above-mentioned conventional problems, and it is possible to confirm the pattern area after sewing and the pattern area in the layout at the same time. Therefore, the next pattern area can be easily identified. It is an object of the present invention to provide an embroidery sewing machine having a display that can be laid out.

[0008]

According to the present invention, in order to facilitate the position determination of a pattern area, a sewable area and a pattern area movable with respect to the sewable area are displayed together. In an embroidery sewing machine having a display, a memory for storing a pattern area after sewing is finished and a pattern area after sewing stored in the memory are displayed on the display together with a pattern area in a layout. The above-mentioned object is achieved by including the control means.

Further, the pattern area after the completion of the sewing is displayed by a method different from that of the pattern area in the layout.

Further, there is provided means for detecting an overlap between the pattern area after the sewing and the pattern area in the layout and issuing a warning.

[0011]

In the present invention, the pattern area after the end of sewing is stored and the stored pattern area after the end of sewing is stored.
Since it is displayed on the display together with the pattern area in the layout, it is possible to easily determine whether the pattern to be sewn next to be sewn overlaps the pattern area already sewn on the display, which facilitates the layout.

In particular, when the pattern area after the sewing is displayed by a method different from the pattern area in the layout, the pattern area after the sewing and the pattern area in the layout can be easily distinguished. The layout can be made easier.

Further, when the means for detecting and warning the overlap between the pattern area after the sewing and the pattern area in the layout is provided, the pattern overlap due to an operator's mistake is surely prevented. be able to.

[0014]

Embodiments of the present invention will now be described in detail with reference to the drawings.

In the sewing machine 10 of the first embodiment of the present invention, as shown in FIG. 6, a start / stop key 42 for controlling the start and stop of the operation of the sewing machine, and a display according to the present invention. An instrument 44 and a pattern selection device 50 including a sewing position correction key are provided.

When the start / stop key 42 is pressed down, the main motor 46 (see FIG. 9) rotates to start sewing with the sewing machine. When the start / stop key 42 is pressed down again, the main motor 46 rotates. Then, the sewing is stopped.

The display 44 is, for example, a liquid crystal (LCD).
Etc. are used.

As shown in detail in FIG. 7, the pattern selection device 50 includes a sewing position correction key 52 including, for example, a "sewing position" key and an arrow key, a pattern selection key 54 for selecting a character, and Included are function keys 56 including a "memory" key and a "clear" key.

In the pattern selection by the pattern selection device 50, when the pattern selection key 54 corresponding to the desired character or pattern is depressed, the selected pattern is displayed on the pattern selection screen of the display 44. Function key 56 “Memory”
When the key is pressed down, that pattern is stored and the next pattern can be selected.

When the "sewing position" key of the sewing position correction key 52 is pushed down after the above operation is repeated to store the character string and the like, the display 44 is changed to the layout display screen, and as shown in FIG. Possible range 16 and pattern area 18
Is displayed together with the needle position 19.

Further, the "↑", "↓", "←" and "→" keys can be used to move the pattern area 18.

As shown in FIG. 9, the control system of the sewing machine 10 stores a control device 60, a key matrix 62 corresponding to the pattern selection device 50, and software for control procedures and fixed data. Read-only memory (R
OM) 64 and a random access memory (RA) for storing data to be displayed on the display (LCD) 44.
M) 66, LCD controller 68, and LC in the horizontal and vertical directions by the output of the LCD controller 68.
LCD driver 70 for driving each D pixel
H, 70V, main motor 46, main motor 46
Driver 72.

The embroidery device 24 includes an embroidery frame 14 (see FIG. 2).
X-axis and Y-axis stepping motors (STM) 26X, 26Y for driving the X-axis and Y-axis, and the STM26
The stepping motor drivers 74X and 74Y for driving X and 26Y, respectively.

The control device 60 detects the depression of the switch of the key matrix 62 and instructs the LCD controller 68 about the start address of the data to be displayed and other parameters. Then, the LCD controller 68 calls the data from the RAM 66 and drives the LCD drivers 70H and 70V to perform the necessary display on the LCD 44.

Further, the control device 60 drives the main motor 46 by the driver 72 according to the ON / OFF state of the start / stop key 42.

Further, the controller 60 drives the stepping motors 26X and 26Y via the stepping motor drivers 74X and 74Y to change the relative positions of the needle 22 and the embroidery frame 14.

FIG. 10 shows the relationship between the LCD 44 and the RAM 66. The LCD 44 has a RAM area 66A for the pattern selection screen and an RA for the layout display screen.
Both of the M areas 66B are supported. Each dot of the LCD 44 corresponds to one bit in one word of the RAM 66, and "1" or "0" corresponds to black and white of the display, respectively.

The operation of the first embodiment will be described below with reference to FIG.

The control device 60 firstly, in step 100,
When the pattern selection screen is displayed on the display unit 44 and it is detected that each character is selected, the sewing data or the header of the sewing data corresponding to the character is read from the ROM 64 and stored in the primary storage device in the control device 60. In addition, the display data corresponding to the character is read from the ROM 64 and L
The pattern data is written to the RAM area 66A via the CD controller 68 and the pattern data is displayed on the LCD 44. "AB
FIG. 12 shows a display example when the pattern "CD" is selected.

Next, at step 110, "sewing position"
It is determined whether the key is on.

Here, after an arbitrary character string is selected,
When the "sewing position" key is depressed, the control device 60
Advances to step 120, the head address of the RAM area 66B is set in the LCD controller 68, and the display is switched to the layout display screen. RAM area 66B
8, a sewable range 16 corresponding to the outer shape of the embroidery frame and a pattern area 18 corresponding to the outer shape representing the sewing area of the character string are written. Although the sewable range 16 is fixed data, the pattern area 18 varies depending on the selected number of characters and size, and therefore is calculated by the following method.

That is, the maximum values in the X direction and the Y direction of each character can be known by the control device 60 by calculating from the sewing data or by writing each data in the ROM 64 in advance. Then, the pattern area in the X direction and the Y direction can be found by taking the sum of the maximum values in the X direction and the Y direction of each character. Since the relative position of the frame and the needle is predetermined, it can be displayed by writing the data corresponding to the RAM area 66B. Here, since the display area is different from the actual frame size (the display area is often smaller), writing is performed at a predetermined ratio. This can be displayed by predetermining the distance per dot (resolution in the X direction) and the distance per line (resolution in the Y direction).

Addresses AD11 to AD1n in the RAM area 66B shown in FIG. 13 correspond to the display data for one line of the LCD 44.

Since the distance per dot and the distance per line are determined, if the X and Y direction pattern areas of the character string are calculated, the RAM area 6 indicating the needle position 19 is obtained.
The pattern area 18 can be written in the RAM area 66B as shown in FIG. 14 by performing calculation with the resolution centering on the data (address) of 6B.

When one of the "↑", "↓", "→", "←" keys is depressed, a predetermined amount of correction movement of the frame by one detection of depression is determined and a prescribed pulse is applied. By outputting to the stepping motor drivers 74X and 74Y, the frame performs a predetermined correction movement.

In the RAM area 66B, an address for shifting the amount of movement once is calculated with the above resolution, and the data is rewritten so that the pattern area after the sewing position correction ("ABCD The sewing area) can be displayed.

In the normal case where the "clear" key is not turned on, in step 150 the start / stop key 4
2 is turned on, the main motor 46 and the embroidery device 24 are moved to start sewing in step 160. However, if the "clear" key is turned on in step 130 and the contents of the RAM area 66B are not rewritten in step 140,
The previous state remains.

When embroidery sewing is completed, step 170
Then, unless the data at the predetermined address in the RAM area 66B is rewritten so that the area displayed as the pattern area is painted black, for example, the layout of the next character string can be easily distinguished. FIG. 16 shows an example of the relationship between the cloth and the frame after the first character string “ABCD” is sewn.

When it is desired to erase the sewn area of the laid-out character string, the "clear" key may be turned on in the layout display screen of step 130, or another erase key may be provided and erased in step 140. it can.

In the case of laying out the next character string, for example, "EFG" showing an example of the pattern selection screen in FIG. 17, as described above, as shown in FIG. ′ Is inverted and remains on the display screen, for example, so that the layout is easy.

That is, when the pattern area 18 showing the character string "EFG" in the current layout overlaps with the sewing end area 18 'which was sewn previously, the sewing position correction key 52 is operated to display it in FIG. As shown in the drawing, if the sewing is performed so that the sewing end area 18 'and the pattern area 18 do not overlap with each other, the relationship between the cloth and the embroidery frame after the sewing becomes as shown in FIG. 20, and the overlapping of the character strings can be prevented.

In this embodiment, the display 44
However, the screen is switched and displayed for pattern selection and layout display on one screen, but separate screens may be used.

Next, a second embodiment of the present invention, which is an improvement of the first embodiment, will be described in detail.

The second embodiment is the same as the embroidery sewing machine of the first embodiment.
Address generator (arithmetic device) 60A after layout as shown in FIG. 6, a temporary storage device 60B for temporarily storing the output of the address generator 60A, and the temporary storage device
A comparator 60C that compares the address of the previous character string stored in 0B with the address of the current character string input from the address generator 60A and outputs an overlap signal when there is an overlap Is.

Here, the trigger signal input to the temporary storage device 60B is generated, for example, at the timing when the sewing machine starts. Therefore, it is possible to compare the address currently being laid out with the address after the layout up to the previous time.

The processing procedure in this embodiment is as shown in FIG. 22, and in the processing procedure similar to that of the first embodiment,
Between steps 120 and 130, a step 200 for determining whether or not the character strings overlap by comparing the address under the current layout with the addresses after the layout up to the previous time is provided. If the result is positive, an overlap signal is generated in step 210, and an alarm is displayed or a buzzer sound is generated based on this overlap signal.

Further, step 170 similar to the first embodiment.
After the end, the sewing end area is stored by an external address or the like in preparation for the overlap determination at the next layout.

According to the second embodiment, even if the operator of the sewing machine is not careful, the overlapping of the patterns can be surely prevented.

Next, the third embodiment of the present invention will be described in detail.

In the third embodiment, in the same embroidery sewing machine as in the first embodiment, a character string is not sewn for each column and stored, and the next character string is not laid out, but once. The plurality of character strings and the sewing positions are collectively stored in the table, and the layout of the plurality of character strings is performed at once.

In the third embodiment, for example, FIG.
As shown in FIG. 24, when the "sewing position" key is turned on after the first character string "Ai" is input on the pattern selection screen of the display 44, the layout display screen as shown in FIG. 24 is displayed. In this layout display screen, the sewing position correction key 52
When the first row of character strings "Ai" is laid out, for example, in the upper left of the sewable range 22 with the arrow keys of, the moving distance from the center position of the frame is stored. When the "end" key is turned on, the layout of the first column is finished and the movement amounts in the X and Y directions at that time are stored. Then, the pattern selection screen becomes blank and the second column can be input.

Next, as shown in FIG. 25, when the "sewing position" key is turned on after the character string "Kakiku" in the second row is input, as shown in FIG. 26, the pattern area 18 'in the second row is displayed. ′
Is displayed on the layout screen, and the layout becomes possible.
After the layout, the movement amount in the second column is stored by pressing the "end" key.

After repeating such an operation in sequence and laying out all the character strings that need to be sewn, the start / stop key is turned on to call the movement amount of the first row and move to the sewing start point of the first row. Then, the first row is sewn. 1
After sewing the second row, read the movement amount of the second row,
Move to the sewing start point in the second row and perform the second row sewing. Hereinafter, by repeating this operation, all the character strings are sewn in sequence.

According to the third embodiment, since a plurality of character strings and sewing positions are collectively stored, when laying out a large number of character strings, the layout position of each character string is finally determined. Thus, it is possible to perform sewing, and it is possible to easily perform desired pattern sewing.

[0055]

As described above, according to the present invention, the relative position between the sewing area of the embroidery pattern and the outer shape of the embroidery frame is displayed, the displayed content is maintained after the pattern is sewn, and then the sewing is performed. Since the relative position of the pattern to be sewn is made visible, the layout of the next pattern is facilitated after the first pattern is sewn, and the sewing position can be easily corrected.

[Brief description of drawings]

FIG. 1 is a front view showing a configuration of an example of a conventional embroidery sewing machine.

FIG. 2 is a diagram showing an example of a layout display screen of a display unit before correction of a sewing position in the embroidery sewing machine.

FIG. 3 is a plan view showing the relationship between the actual embroidery frame and needle positions corresponding to FIG.

FIG. 4 is a plan view showing an example of the relationship between the actual embroidery frame after the sewing position correction and the needle position.

FIG. 5 is a diagram showing a layout display screen of the display corresponding to FIG.

FIG. 6 is a front view showing the outer appearance of an embroidery sewing machine according to an embodiment of the present invention.

FIG. 7 is a front view showing a display and a pattern selection device according to the embodiment.

FIG. 8 is a diagram showing an example of a layout display screen on the display unit.

FIG. 9 is a block diagram showing the configuration of the control system of the above embodiment.

FIG. 10 is a diagrammatic view showing a configuration of a display (LCD) and a RAM.

FIG. 11 is a flowchart showing a processing procedure in the first embodiment of the present invention.

FIG. 12 is a diagram showing an example of a pattern selection screen of the display when selecting a pattern in the first row.

FIG. 13 is a diagram showing a structure of a RAM area.

FIG. 14 is a diagram showing a sewing area also written in the RAM area.

FIG. 15 is a diagram showing a layout display screen of the display unit and a sewing position correction key.

FIG. 16 is a plan view showing an example of the relationship between the work cloth and the embroidery frame after sewing the first row.

FIG. 17 is a diagram showing an example of a pattern selection screen of the display when selecting a pattern in the second row.

FIG. 18 is a diagram showing a layout display screen as well.

FIG. 19 is a diagram showing an example of a layout display screen after the sewing position is corrected as well.

FIG. 20 is a plan view showing the relationship between the work cloth and the embroidery frame after sewing the second row.

FIG. 21 is a block diagram showing a configuration of an overlap detection unit in the control device according to the second embodiment of the present invention.

FIG. 22 is a flowchart showing the processing procedure of the second embodiment as well.

FIG. 23 is a diagram showing an example of a pattern selection screen in which a first character string is displayed in the third embodiment of the present invention.

FIG. 24 is a diagram showing a layout display screen and a sewing position correction key.

FIG. 25 is a diagram showing an example of a pattern selection screen on which a character string in the second row is also displayed.

FIG. 26 is a diagram showing a layout display screen in which the first and second character strings are displayed at the same time.

[Explanation of symbols]

 10 ... Sewing machine 14 ... Embroidery frame 16 ... Sewing possible range 18, 18 ″ ... Pattern area 18 ′… Sewing end area 22… Needle 24… Embroidery (frame moving) device 26X, 26Y… Stepping motor 42… Start / stop key 44 Display device (LCD) 46 Main motor 50 Pattern selection device 52 Sewing position correction key 54 Pattern selection key 56 Function key 60 Control device 60A Address generator 60B Temporary storage device 60C Comparator 62 ... Key matrix 64 ... ROM 66 ... RAM 66A, 64B ... RAM area

Claims (3)

[Claims] 1. In order to facilitate the position determination of the pattern area,
In an embroidery sewing machine having a display that displays both the sewable range and a pattern area that is movable with respect to the sewable range, a memory that stores the pattern area after sewing and a memory that stores the memory in the memory. An embroidery sewing machine comprising: a control unit configured to display, on the display, the patterned area after the completion of sewing together with the patterned area in the layout. 2. The embroidery sewing machine according to claim 1, wherein the pattern area after completion of the sewing is displayed by a method different from that of the pattern area in the layout. 3. The embroidery sewing machine according to claim 1, further comprising means for detecting and warning the overlap between the pattern area after the sewing and the pattern area in the layout.