JPS63272383A - Sewing machine equipped with operation panel - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a sewing machine that can create data necessary for desired sewing by combining a plurality of sewing modes, and particularly relates to a sewing machine equipped with an operation panel.

(Prior Art) Conventional sewing machines have, for example, keys for setting a sewing data creation mode or a reproduction mode for sewing based on the created data, keys for setting seam allowances, seam allowance correction, and data storage. A large number of keys for specifying areas, etc. are arranged on the operation panel of the sewing machine, and by operating these keys appropriately, it is possible to create a desired sewing pattern or perform sewing that reproduces the sewing pattern. It has become.

(Problem to be Solved by the Invention) However, with this conventional sewing machine, when operating the sewing machine, it is necessary to check the operating order of many keys using the instruction manual, which makes the work complicated. However, there was a problem in that it took a lot of time to get used to it.

(Object of the Invention) This invention has been made in consideration of the above circumstances, and its object is to provide a sewing machine equipped with an operation panel that allows desired sewing to be performed without requiring any skill to operate it. It is about providing.

(Means for Solving the Problems) In order to achieve the above object, the present invention provides a sewing machine that can combine a plurality of sewing modes to create data necessary for desired sewing. an operation panel equipped with a plurality of keys arranged in the same direction and a display corresponding to each key; a storage means storing the sewing data creation order; and a storage means storing the sewing data creation order each time the key is operated. Based on the key to be operated next, a control means is provided for controlling the operation of the display corresponding to the key to be operated next.

(Function) Therefore, when creating data necessary for desired sewing by combining multiple sewing modes, each time multiple keys related to each sewing mode are operated, the control means selects the next sewing data according to the sewing data creation order. Controls the operation of the display corresponding to the key to be operated.

(Example) Hereinafter, an example of a two-needle corner stitch sewing machine embodying the present invention will be described in detail with reference to the drawings.

As shown in Fig. 1, the arm part 1 of the sewing machine is equipped with two-needle stitches that form parallel stitches using two needles 2 and 3 spaced apart on the left and right, and a corner of the workpiece cloth W. A needle bar mechanism is installed in the section that can perform single-needle stitching in which one of the needles 2 and 3 is paused to form a stitch.

The detailed structure of this needle bar mechanism is the same as that described in Japanese Utility Model Application Publication No. 51-85862 filed by the present applicant, and therefore a detailed explanation thereof will be omitted. In addition, only the needle bars 4 and 5 supporting the needles 2 and 3 are shown in FIG.

A light projector 6a is attached to the front surface of the arm part l via a bracket 7, and is adapted to irradiate light onto the upper surface of the bed part 8 at a position between two needle drop points and in front of the needle drop points. The bed section 8 is equipped with the floodlight 6a.
A light receiver 6b constituting the cloth edge detector 6 is also provided, and outputs a predetermined electrical signal depending on the amount of light received.

As shown in FIG. 2, a pair of electromagnetic solenoids 9.10 are attached to the back surface of the arm portion 1 via a bracket 11, and both electromagnetic solenoids 9.10 have a movable body 1 that is common to both electromagnetic solenoids 9.10.
2 is inserted and supported so as to be movable left and right. Below both electromagnetic solenoids 9 and 10, an actuation rod 13 is supported by a guide body 14 on the back side of the arm portion 1 so as to be movable left and right. Spring receivers 15 and 16 are fitted.

A pair of springs 17, 18 are mounted on the actuating rod 13 between each spring receiver 15, 16 and the protruding piece 14a.

A connecting lever 19 is rotatably supported between the movable J body 12 and the actuating rod 13, and one end of the connecting lever 19 is rotatably connected to the intermediate portion of the movable body 12. At the same time, the other end is rotatably connected to the end of the actuating rod 13. By selectively energizing both the electromagnetic solenoids 9 and 10, the movable body 12 and the connecting lever 19
The actuating rod 13 is switched between the cloth moving position, the intermediate position, and the left moving position via the cloth moving position. With this switching of the arrangement of the actuating rod 13, single-needle stitching is performed by either needle 2 or 3 through a well-known linkage mechanism (path shown) disposed between the actuating rod 13 and the needle bar mechanism. The state and double needle sewing state are set.

The sewing machine in this embodiment has an operation panel 2 shown in FIG.
0, and various keys are arranged on the operation panel 20 according to the order of operation. That is, on the left end of the operation panel 20 are a program sewing key 21 that is operated to set a program mode at the start of creating a sewing pattern as shown in FIG. Free stitching keys 22, which are operated when setting a free stitching mode for sewing, are arranged vertically at predetermined intervals.

On the right side of both keys 21 and 22, there are arranged a create key 23 and a play key 24, which are respectively operated to set a sewing pattern creation mode and a sewing execution mode (sewing execution mode) based on the sewing pattern.

On the right side of both keys 23 and 24 are arranged four pattern designation keys 25 that are operated to designate a sewing pattern, and on the right side of the pattern designation key 25 is a confirmation key 26 for checking the contents of the sewing pattern. And a heavy weight sensing key 27 that is operated to adjust the sensitivity of the cloth edge detector 6 is arranged.

On the right side of the heavy weight sensing key 27, there is a fixed size counting sewing mode,
That is, a fixed size counting key 28 is provided for setting the count (number of stitches) required to form a stitch of a predetermined length or for setting a mode for reproducing the sewing of the number of stitches. Above this key 28 is a numerical display section 2 that displays the fixed size count.
9, and an enter key 30 that is operated when inputting the numerical value displayed on the numerical value display section 29.

On the right side of the fixed size stitch number key 28, each sewing step S1 to S1 is displayed when creating the sewing pattern shown in FIG.
Sewing after setting the distance between the sewing end point on the sewing trajectory formed every S6 and the edge wb of the workpiece cloth W that intersects the sewing trajectory, that is, the seam allowance Mn, and detecting the edge of the workpiece cloth W. A seam allowance key 31 is provided which is operated when setting a cloth edge detection sewing mode in which sewing is performed according to a set seam allowance Mn.

Around this seam allowance key 31, an addition key 32 and a subtraction key 33 are arranged for adding or subtracting for each lam when setting the seam allowance Mn, etc., and a numerical display section that displays the seam allowance Mn to be set. 34. An enter key 35, which is operated when inputting the displayed numerical value to the control device of the sewing machine, and a clear key 36, which clears the 8-number (shift), are respectively arranged.

On the right side of the seam allowance key 31 are a pair of paused needle selection keys 37 and 38 for selecting the needle 2.3 to be paused for single-needle stitching and setting the single-needle stitching mode, and a pair of paused needle selection keys 37 and 38 for selecting the needle 2.3 to be paused for single-needle stitching and setting the single-needle stitching mode. Add the above when setting the count.

Single leg stitch number key 3 operated together with subtraction keys 32, 33, etc.
9 is provided, and 1 is set by operating each of the keys.
The number of actual stitches to be sewn is displayed on the numerical display section 40, and manually inputted to the control device of the sewing machine by operating the enter key 41.

On the right side of the single leg stitch number key 39, the sewing data created in each mode setting state is displayed for each step 81 to 81 of the sewing pattern.
Input key 4 for inputting to the sewing machine control device every S6
2 is provided, and on the upper right side of the key 42 is provided a numerical display section 43 for displaying the step number. or,
On the right side of the input key 42 are arranged a thread trimming/sewing end key 44 which is operated to end the sewing after the thread trimming operation and a sewing end key 45 which is operated to end the sewing without performing the thread trimming action. It is set up.

Also, a lamp 21a is provided on the main key among the above-mentioned keys.
~28 a, 31 a, 37 a, 38 a,
42a, 44a, and 45a are provided, and a sewing lamp 46 is provided between the one-leg stitch number key 39 and the input key 42 to encourage sewing. The surface of the operation panel 20 is provided with arrows 47 indicating the order of operation of each key during sewing according to each mode, and is also provided with a power lamp 48 that is turned on when the power is turned on.

The control device for the sewing machine in this embodiment has a CPU 51 as a control means, as shown in FIG.
U51 is an RO as a storage means that stores sewing control programs and display control programs corresponding to various modes.
M52 and RAM for storing sewing pattern data
53. The RAM 53 has a storage area for storing four sewing patterns corresponding to the pattern designation keys 25.

On the other hand, the sewing machine of this embodiment has a needle position detector 54. which detects the vertical position of the needle 2.3. A synchronization signal generator 55 that generates a synchronization signal in response to the rotation of the sewing machine main shaft. It is equipped with a pinch detector 56 for detecting the cloth feed pitch and an operation pedal 58 for starting and stopping the sewing machine motor 57, and is equipped with an electric signal output from these, a detection signal output from the cloth edge detector 6, and a key manual input. The signal is input interface 5
9 to the CPU 51.

Furthermore, as shown in FIG.
Type of cloth feed pitch (IP in this example).

3/4 P, 1/2 P, 1/4 p, p=reference pitch).
A key 61 for pausing the operation of the computer 3 is provided, and human input signals from these keys are similarly input to the CPU 51.

Also, based on the control program stored in the ROM 52, in response to various data stored in the RAM 53,
PU51 is the sewing machine motor 57. Rotary solenoid 62 for pitch change and electromagnetic solenoid 9, 1 for needle change
0, an output interface 63 and each drive circuit 64,
A drive control signal is output via 65 and 66. Furthermore, c
pusl responds to the display control program and various data, and controls the operation of each numerical display section 29, lamp 212, etc. via the display drive circuit 67, etc.

In this embodiment, the needle position detector 54, the synchronization signal generator 55. The configurations of the pitch detector 56 and the pinch changing rotary solenoid 62 are the same as those described in Japanese Unexamined Patent Publication No. 61-217197 by the applicant of the present invention, so further explanation will be omitted.

Next, the operation of the sewing machine in this embodiment will be explained. First, when the power is turned on to the sewing machine, in the initial setting routine 101 shown in FIG. To prompt the user, the lamps 22a and 21a for the free stitch key 22 and the program stitch key 21 are flashed. Therefore, when the program sewing key 21 is operated to create sewing data, the CPU 51 lights only the lamp 21a above the key 21.

Further, in order to prompt the user to operate one of the create key 23 and play key 24, the lamps 23a and 24a above both keys are blinked (routine 102).

Next, to set the data creation mode, create key 2
3, only the lamp 23a above that key is lit (routine 103). The program then proceeds to the next subroutine 104, where the lamp 25a on each key 25 is blinked to prompt operation of any one of the pattern designation keys 25. Therefore, if you select and operate one of the pattern designation keys 25 to designate a pattern number,
After lighting only the lamp 25a above the operated key 25, the CPU 51 displays the step number on the numerical display section 43.
1” is displayed. The program then proceeds to routine 105 shown in FIG.

In this routine 105, in order to prompt the operation of the heavy weight sensing key 27, the CPU 51 blinks the lamp 27a on the key 27, and when the key 27 is operated, the lamp 27a
is turned on (routine 106). Continuing, CPU5
i causes the lamps 46 on the fixed size stitch number key 28 and the sewing key 31 to blink, prompting the operator to operate any of these keys (routine 107). In response to this, when the fixed size counting key 28 is operated, for example, in order to create sewing data related to step S1 shown in FIG. Here, step S
When actual sewing is performed along the sewing trajectory No. 1 and the enter key 30 is operated, the CPU 51 causes the numerical display section 29 to display the number of stitches actually sewn (stitch number).

Thereafter, the CPU 51 updates and displays the stem/knob number in routine 110, and in routine 111, the CPU 51 updates and displays the stitch knob number.
1. Lamps 31a, 37a, 38a of the pause needle selection keys 37, 38 and the input key 42.

42a to prompt operation of those keys.

Here, when the sewing key 31 is operated to set the seam allowance M2 in step S2, for example, the program advances to the routine 113 via the routine 112, and the CP
U51 lights only the lamp 31a on the key 31, and also causes the numerical value display section 34 for seam allowance to blink in the routine 114 of FIG.

In routine 115, each key 32, 33, 36.35
When the seam allowance M2 is input by the operation, Jcpus
are the lamps 37a and 38a above the pause needle selection keys 37 and 38.
and a sewing lamp 4 located between the key 39 and the key 42.
6 flashes to prompt the operation of each key 37, 38 or operation pedal 58 (routine 116). Therefore, when the operation pedal 58 is operated in routine 117, the lamps 37a and 38a on both keys 37 and 38 are turned off, and then the process proceeds to the fabric edge stitching subroutine 118.

In this subroutine, when the operator operates the operation pedal 58, the sewing machine starts operating according to the fabric edge detection sewing mode set by the CPU 51, and the sewing machine starts sewing the sewing machine up to the previously set seam allowance M2 setting position. It will be done. Thereafter, the CPU 51 updates the step number in a routine 118a, and in a routine 119, blinks the lamps 37a, 38a above the pause needle selection keys 37, 38 and the lamp 42a above the input key 42, and when any of these keys is operated. encourage.

For example, when one of the pause needle selection keys 37 and 38 is operated in the routine 120 of FIG. 10 to create sewing data related to step S3 of FIG.
1 is a routine 121 in which the lamps 37a and 38a corresponding to the operated keys are turned on, and the numerical display section 40 for single needle sewing is made to blink.

In response, each of the keys 32.33, 36°39.4
When the count (number of stitches) to be sewn in one bell stitch state is input by the operation in step 1 (routine 122), the CPU 51 displays the count on the numerical display section 40, and the program starts in step 1.
The process advances to the wooden nail subroutine 123. In this subroutine, if the operator operates the operating pedal 58, the CP
The operation of the sewing machine is started according to the single-needle sewing mode set by U5t, and sewing is performed in the single-needle sewing state according to the previously set number of single-needle stitches. Then, in response to the end of the sewing, the CPU 51 executes routine 12.
Step 4 updates the step number.

Subsequently, the CPU 51 presses the input key 42 in routine 125.
The upper lamp 42a is blinked to prompt the user to operate the input key 42. When the input key 42 is operated in accordance with this, the 11th
After passing through the routine 126 shown in the figure, the CPU 51 lights up the lamp 42a on the input key 42 in the routine 127. Thereafter, in routine 128, the CPU 51 moves to the fixed size stitch number key 28. Light conversion key 31. Thread trimming sewing end key 44 and! Each lamp 28a on the end key 45 made by A
.

31a, 44a, and 45a are blinked to prompt the user to operate any of these keys.

If you operate the thread trimming sewing end key 44 in response to this,
After lighting only the lamp 44a on the key 44, the CPU 51 causes a thread cutting device (not shown) to perform a thread cutting operation (routine 129). On the other hand, the sewing end key -4
5, only the lamp 45a on that key 45 is turned on (routine 130). Then, when the creation of the sewing data regarding steps 81 to S3 is completed through the above processing, the CPU 51 writes the data in a predetermined storage area of the RAM 53. On the other hand, if data regarding the steps after step S4 are to be continuously created, the above-mentioned key operations etc. may be repeatedly performed.

On the other hand, when reproducing the sewing pattern consisting of the above-mentioned steps based on the created data, the creation, reproduction and confirmation keys 23 and 24 are pressed in the routine 102 of FIG.
．． Each lamp 23a on 26.

If the playback key 24 is operated in the routine 103 with 24a and 26a blinking, the program will start from the 12th
The routine advances to routine 131 in the figure, and only the lamp 24a above the playback key 24 is lit. Therefore, when a pattern number is specified in routine 104, the CPU 51 reads sewing data corresponding to the pattern number from the RAM 53 and operates the sewing machine according to the data.

In addition, when confirming the created data, in the data confirmation routine 133 of FIG. The counting data, stitching data, etc. of each step constituting the pattern are displayed on the numerical display section.Therefore, it can be easily confirmed.

As described above, in this embodiment, even a beginner can perform complicated sewing by simply operating each key according to the blinking order of the lamps and numerical display on the operation panel 20 without referring to the instruction manual or the like. It is possible to reliably create pattern data and perform sewing based on the data.

Note that this invention is not limited to the above embodiments,
It is also possible to embody the present invention in a male sewing machine other than a two-piece nail corner sewing machine, such as a pattern sewing machine that requires complicated key operations when programming one sewing pattern.

(Effects of the Invention) As described in detail above, the present invention has an excellent effect in that desired sewing can be easily performed by combining sewing modes without requiring any skill in operation.

[Brief explanation of drawings]

Fig. 1 is a partial front view of a two-peg square stitch sewing machine embodying this invention, Fig. 2 is a partial rear view of the same, Fig. 3 is a front view of the operation panel, and Fig. 4 shows the control device of the sewing machine. Block diagram, Figure 5 is an explanatory diagram of the sewing pattern, Figures 6 to 12
The figure is a flowchart. In the figure, 20...operation puff, 21-28, 31°37
．． 38.42-45...keys, 21a-28a. 31a, 37a, 38a, 42a, 4
4a, 45a... Lamp as a display body, 29.
34,40°43... Numerical display section as display body, 5
1... CPU as control means, 52... ROM as storage means.

Claims (1)

[Claims] 1. In a sewing machine that can create data necessary for desired sewing by combining a plurality of sewing modes, a plurality of keys (such as 21) arranged in relation to each sewing mode and each key (
an operation panel (20) equipped with a display (21a, 29, etc.) corresponding to the key (21, etc.); a storage means (52) that stores the order in which sewing data is created; and a control means (51) for controlling the operation of the display (21a, 29, etc.) corresponding to the key (21, etc.) to be operated next, based on the sewing data creation order. A sewing machine equipped with an operation panel for