JP2609104B2 - Sewing machine selection pattern display device - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a selection pattern display device of a sewing machine, and more particularly to a display of straight stitches.

(Prior Art) In a sewing machine in which the amplitude value selected conventionally is the base line position when the straight stitching is selected, only the straight stitching is displayed on the selected pattern display portion and is separately displayed. The display of the digital value of the amplitude value by the segment LED was the display of the base line position of the straight stitch.

(Problems to be Solved by the Invention) According to the prior art in which the base line position of the straight stitch is displayed as a digital number as described above, it is difficult to sense the base line position of the straight stitch intuitively. When straight stitches having different base positions are selected and combined to perform continuous sewing work, it is extremely difficult to confirm the mutual relationship between the base positions of these straight stitches.

The present invention has been made in view of the above-mentioned situation as a result of intensive studies in order to develop a display device capable of visually confirming the base line position of straight stitching easily.

(Means for Solving the Problems) That is, according to the present invention, there is provided a pattern and amplitude selecting means, a sewing data conversion means for converting the sewing data to a base line position of the straight stitch corresponding to the selected amplitude value, and the selected pattern is straight stitched. Straight stitch determining means for determining whether or not there is, and display means for displaying a straight stitch base line position corresponding to the amplitude value selected when the straight stitch is determined by the straight stitch determining means on the display unit as a pictorial diagram. A selection pattern display device for a sewing machine, characterized in that:

(Operation) The present invention is configured as described above, and its operation is such that the display of the straight stitching on the selected pattern display section is shown as a pictorial diagram showing the base line position, so that the base line position of the straight stitching can be easily performed in the sewing operation. It must be visually recognizable.

(Embodiment) An embodiment of the present invention will be described below with reference to the block diagram of FIG.

First, when the sewing machine is turned on, the stack control counter 5
Becomes “1” and the value of the control counter / latch device 4 becomes And the display data RAM device 6 is cleared.

Next, when a pattern is selected with the pattern selection key 1, a pattern number corresponding to the selected pattern is generated in the pattern number generator 2, and the value “1” currently indicated by the stack control counter 5 of the pattern number stack 7. The pattern number is stored in the area of.

Next, the pattern number extracted from the area of the pattern number stack 7 designated by the value “1” currently indicated by the stack control counter 5 is input to the pattern head address device 12.

Next, the head address where the pattern data corresponding to the pattern number is stored is output. The output start address is stored in the pattern start address latch device 13 and is input to the comparator 17 and the pattern data and the next address storage device 14 at the same time.

The pattern data and next address storage device 14 outputs the sewing data for one stitch indicated by the input start address to the data computing device 29, and at the same time, determines the next address in which the next one stitch sewing data is stored. -Output to the buffer 15 and the comparator 17.

When a signal is input from the upper axis sensor signal 16 generated while the sewing machine is rotating, the timing buffer 15 stores the pattern data and the next address indicating the memory address where the next one-stitch sewing data is stored in the next address storage device 14. Is returned, but the sewing machine is currently stopped and waits for input.

The data arithmetic unit 29 stores the pattern data and the pattern data output from the next address storage unit 14 and the manual data designated by the value “1” currently indicated by the stack control counter 5.
A pattern forming device that calculates data from the manual counter value extracted from the area of the counter stack 11 and data
Output to 30.

The pattern forming device 30 is a controller for controlling the rotation speed of the sewing machine.
It operates when the sewing machine rotates to operate 28 to form a pattern.

The pattern number extracted from the pattern number stack 7 is input to a straight-line stitching determiner 18 to determine whether or not straight-line stitching is performed.

In the case of straight stitching, the straight line display data storage device 19 that stores a plurality of base line positions as pictograms is enabled, and the manual counter value extracted from the manual counter stack 11, that is, in the case of straight stitching, The picture data of the straight line specified by the base line position value instead of the amplitude value is output to the display data RAM device 6.

The display data RAM device 6 outputs display data to the area indicated by the stack control counter 5 of the selected pattern display unit 21 and displays a picture by the selected pattern display unit 21.

In the case of a pattern other than a straight line by the straight stitching discriminator 18,
The picture data of the pattern specified by the pattern number extracted from the pattern number stack 7 is extracted from the pattern display data storage device 20 and output to the display data RAM device 6.

In the manual counter stack 11, the amplitude manual UP key 8 and amplitude manual DOWN key 9 are used to set the value of the manual counter 10, that is, the base line position for straight stitching, and the amplitude value for other patterns. And stored in the area specified by the value of the stack control counter 5.

The amplitude value display section 23 displays the display data of the manual display data storage device 22 specified by the pattern number of the pattern number stack 7 indicated by the stack control counter 5 and the manual value of the manual counter stack 11.

Here, when the storage key 24 is operated once, the values of the stack control counter 5 and the control counter / latch device 4 become "1".
The pattern number generated by the pattern number generator 2 and the value of the manual counter 10 at this time are increased by "1". The pattern number stack 7 and the manual counter stack 11 of the area designated by the stack control counter 5 are respectively increased. Is stored in

By arbitrarily selecting with the pattern selection key 1, the amplitude manual UP key 8, and the amplitude manual DOWN key 9 and operating the storage key 24, several patterns are stored.

When the storage of the pattern to be sewn is completed and the stored pattern is confirmed, the read key 25 is operated.

When the read key 25 is operated, the one-shot detection device 31
Is activated, the stack control counter 5 is reset, the value of the counter is set to "1" indicating the head of the stored pattern, the cursor synthesizing device 27 is activated, and the display data
In the RAM device 6, the display data specified by the value 1 indicated by the stack control counter 5 and the cursor are combined.

Here, when the storage key 24 is operated, the value of the stack control counter 5 increases by "1", the display data of the display data RAM device 6 corresponding to the counter value and the cursor are combined, and the stored pattern can be confirmed. .

The comparator 26 is enabled when the read key 25 or the controller 28 is operated, and when the storage key 24 is repeatedly operated and the value of the stack control counter 5 matches the value of the control counter / latch device 4 meaning the number of storages, the one-shot The detecting device 31 operates to set the counter value of the stack control counter 5 to “1”.
Reset to.

Next, when the controller 28 is operated to perform the sewing operation, first, the one-shot detection device 31 operates, and the stack control counter 5 is reset to "1". Then, the pattern forming device 30 is activated, sewing starts in accordance with the sewing data calculated by the data calculating device 29, and when the sewing machine starts rotating, a signal from the upper shaft sensor signal 16 enters the timing buffer 15 every time one stitch is sewn. .

The timing buffer 15 outputs a next address to the pattern data and next address storage device 14 when a signal from the upper axis sensor signal 16 is received, and the pattern data and next address storage device 14 is designated by the input next address. In addition to outputting the pattern data to the data arithmetic unit 29, the next address indicating the address where the next one stitch sewing data is stored is output to the timing buffer 15 and the comparator 17.

This operation is repeated, and the pattern leading latch device 13 is sewn before sewing.
When the start address stored in the register 17 and the next address match in the comparator 17, the value of the stack control counter 5 increases by "1", and the pattern number is increased from the area of the pattern number stack 7 designated by this counter value. The picked-up pattern head address device 12, the straight stitching discriminator 18, and the manual display data storage device 22 are input. The pattern number input to the pattern head address device 12 specifies the head address of the pattern stored next.

At the same time, as described above, the cursor combining device 24
Is enabled, a picture is displayed on the selected pattern display unit 21, and the amplitude value is displayed on the amplitude value display unit 23.

When the pattern selection key 1 is operated after the operation of the controller 28 is completed, that is, after the sewing operation, the one-shot counter / clear device 3 is operated and the control counter / latch device 4 is operated.
The value of Then, the value of the stack control counter 5 is reset to "1", and the display data RAM device 6 is cleared.

The configuration of the present invention is as described on the basis of the block diagram. However, this will be described as an actual sewing machine operation as follows.

In FIG. 2, when the pattern "A" is selected by operating the pattern selection key 1, for example, the pattern display data storage device 20 and the manual display data storage device 22 are enabled and selected as shown in FIG. This pattern is displayed on the pattern display unit 21, and at the same time, the maximum amplitude value 7 is displayed on the amplitude value display unit 23 as a predetermined pattern size, and the data calculation device 29 operates the pattern forming device 30. The needle is moved to the first needle position of the pattern "A" in the horizontally long needle hole. Each time the amplitude manual DOWN key 9 is operated once, the manual counter 10 is operated and the maximum value 7 of the manual display data storage device 22 is displayed by subtracting one by one, and the pattern "A" is formed by reducing it accordingly. It will be.

Next, when straight stitching is selected by operating the pattern selection key 1, the pattern forming device 30 operates via the data computing device 29 to move the needle to a predetermined base line position in the horizontally long needle hole, The stitching discriminator 18 discriminates the straight stitching and makes the straight line display data storage device 19 and the manual display data storage device 22 effective respectively, and as shown in FIG. Is displayed, and the maximum value 7 of the predetermined baseline position is displayed on the amplitude value display section 23. Each time the amplitude manual DOWN key 9 is operated once, the manual counter 10 operates and the data arithmetic unit 29 operates with the count value to operate the pattern forming device 30 to move the needle to a predetermined base line position in the horizontally long needle hole. At the same time, simultaneously operating the straight line display data storage device 19 to convert the previously displayed baseline position illustration to another predetermined baseline position illustration based on the adjustment value and display it on the selected pattern display unit 21, By operating the manual display data storage device 22, the maximum value 7 previously displayed is decremented by one, and a numerical value indicating the base line position of the displayed picture is displayed on the amplitude value display section 23.

Next, when the storage key 24 is pressed, the selected pattern is stored, and when the next pattern is selected, the selected patterns are displayed one after another as shown in FIG. 4 (a), next to the previously stored pattern. In this case, the numbers shown in the amplitude value display section 23 are the amplitude values of the pattern selected last, and of course, when straight stitching is selected, the base line position is shown.

Read key after selecting and storing patterns at the end
When 25 is pressed, the pattern confirmation mode is set, the cursor is displayed below the pattern stored first, the amplitude value of the pattern or the base line position of the straight stitch is displayed on the amplitude value display section 23, and the storage key 24 is pressed. When the button is pressed, the cursor moves as shown in FIG. 4 (b), and the amplitude value of the stored pattern or the linear sewing base position is confirmed one after another by the numbers shown in the amplitude value display section 23.

(Effect) The configuration and operation of the present invention are as described above, and the effect is that the base line position of the straight stitch is conventionally indicated only as a number on the amplitude value display section 23 as shown in FIG. ,
As shown in FIG. 3 (b), a pictorial image is displayed on the selected pattern display section 21, so that the user can easily recognize the base line position and clarify the mutual relationship between the stored base line positions of a plurality of straight stitches, thereby facilitating the sewing operation. Is to be possible.

[Brief description of the drawings]

1 to 4 are views showing an embodiment of the present invention. FIG. 1 is a block diagram, FIG. 2 is a front view of the sewing machine, FIGS. 3 and 4 are views showing a display unit, and FIGS. The figure shows a conventional display unit. 1 ... pattern selection key, 6 ... display data RAM device, 8 ...
… Amplitude manual UP key, 9… Amplitude manual DOWN key, 18… Straight-line sewing discriminator, 19… Straight-line display data storage device, 21… Selected pattern display section, 23… Amplitude value display section, 29
…… A data operation device.

Claims (2)

(57) [Claims] 1. A needle which carries an upper thread and reciprocates in a vertical direction and is capable of swinging in a horizontal direction, and which can be set at a plurality of predetermined base positions with respect to a predetermined horizontally long needle hole, and a lower thread. Stitch forming means for forming a seam including a needle thread catching means for forming a seam on a cloth to be sewn in which the upper thread and the lower thread are entangled in cooperation with the needle. A pattern data storage means for storing a plurality of different sewing pattern data including a straight stitch pattern; a pattern selection means which is selectively operated to read desired pattern data from the pattern data storage means; Display means for displaying information on the pattern selected by the selection means; processing of the read pattern data; outputting the processed data to the seam forming means; Formed on the cloth Data calculating means, a straight stitching determining means for determining whether or not the pattern data selected by the pattern selecting means is straight stitching pattern data, and a pictorial diagram showing a plurality of different base line positions by needle holes and straight stitches. Linear display data storage means for storing linear position display data for
Manual display data storage means for storing the plurality of baseline positions and the size of the pattern in numerical values, wherein straight stitching is selected by the operation of the pattern selecting means, and when the straight stitching determining means determines straight stitching, Corresponding to the base line position according to the adjustment value of the amplitude adjusting unit, a numerical value indicating the base line position is read from the manual data storage unit, and the straight line display data is read from the straight line display data storage unit and displayed on the display unit, and the data is displayed. A selection pattern display device for a sewing machine, wherein the calculation means is enabled, and the pattern forming apparatus is operated to move the needle to a designated position of the horizontally long needle hole. 2. The apparatus according to claim 1, wherein said amplitude adjusting device is a manual up / down means which is selectively operated including a counter, and each time it is operated, the count value is used as an adjustment value. The sewing machine selection pattern display device according to claim 1.