JPH11490A - Controller for sewing machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a controller for sewing machine of adjusting a length of the cord and storing the cord. SOLUTION: A controller 3 is set on an underside. It has a concave part 12 which is enable a to store the connecting cord 13, and a winding part 11 consists of a standing member 11a standing inside of the concave part 12 for winding the connecting cord 13 and a fall prevention claw 11b of preventing from falling the connecting cord 13 winded by the standing member 11a, and a notch part 10 hooking the connecting cord 13 at both sides of wall member 12a making the concave part 12.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a controller for a sewing machine.

[0002]

2. Description of the Related Art Conventionally, there is provided a memory in which a large number of stitch position data are stored, and relative movement between a needle and a workpiece (work cloth) holding device is performed according to the stitch position data stored in the memory. Accordingly, an automatic sewing machine configured to form a continuous seam on a work cloth has been developed. Such an automatic sewing machine can normally perform an automatic sewing operation in accordance with the stitch position data read from a recording medium such as a floppy disk. However, it is necessary to partially correct the stitch position data. In some cases. Therefore, in order to enable the editing of the stitch position data in such a case, a controller including an operation unit having various keys and the like has been developed.

[0003] Many of these sewing machine controllers include:
A connection cord having a plug connected to the sewing machine main body and transmitting a control signal at one end, and configured to transmit data input from the operation unit to the sewing machine main body via the connection cord. is there. When editing the seam position data, the controller for the sewing machine is installed and used at a desired position on a sewing machine table with the plug connected to the sewing machine main body. When it is not necessary to perform such operations, the plug is removed from the sewing machine main body and stored in a drawer or the like provided on the sewing machine table for storage.

[0004]

However, in the sewing machine controller, it is necessary to set a longer cord so that the controller can be used at an arbitrary position on the sewing machine table. There is a problem that the code is too long depending on the position, which may hinder the work.

[0005] Further, since the cords become a hindrance when they are stored in a drawer of the sewing machine table or the like, the cords may be bundled or a controller 20 as shown in FIG.
Although the cord 213 is wound around the main body, the cord is caught or bulky, so that not only the storage property is poor but also the aesthetic appearance is unfavorable.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a controller for a sewing machine which can adjust the length of a cord and is excellent in storing the cord. And

[0007]

In order to achieve the above object, a sewing machine controller according to a first aspect of the present invention includes an operation unit for editing various data such as stitch positions, and a sewing machine. A connection cord connected to the main body and having a plug at one end for transmitting a control signal, wherein the data edited in the operation unit is transmitted to the sewing machine main body via the connection cord. As a target, in particular, a recess provided on the other surface except the surface on which the operation unit is provided, and capable of storing the connection cord, and standing on the inner surface of the recess, and winding the connection cord. A winding portion comprising a rising member, a falling-off preventing claw for preventing a connection cord wound around the rising member from falling off, and a peripheral wall portion forming the concave portion. And a the locking notch for locking the connection code.

Therefore, the connection cord is wound around the upright member of the winding section, and the connection cord wound around the upright member is prevented from falling off by the drop-off preventing claw, so that the connection cord is securely housed in the recess. In addition, the connection cord can be locked by a locking notch provided in a peripheral wall portion forming the recess.

Further, in the sewing machine controller according to the second aspect, at least a part of the peripheral wall portion is formed to have a width which can be gripped by hand.

[0010] Therefore, the peripheral wall portion can be gripped by hand, so that it can be easily adapted to the hand and is easy to handle.

In a sewing machine controller according to a third aspect of the present invention, a magnetic body is attached to at least one of the surface of the peripheral wall portion and the surface of the winding portion.

Therefore, the controller for the sewing machine can be easily fixed to the sewing machine table or the iron plate stand by the magnetic force of the magnetic material attached to at least one of the surface of the peripheral wall portion and the surface of the winding portion. .

[0013]

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

The automatic sewing machine 100 according to the present embodiment
Automatic sewing can be performed according to a program describing a desired sewing pattern. As shown in FIG. 1, a sewing machine main body 1, a control box 2, a controller 3, and a sewing machine table for placing these And 4. The controller 3 constitutes a sewing machine controller of the present invention.

The sewing machine main body 1 is supported on the sewing machine table 4, and a sewing needle H is disposed at the lower front end of the arm 1a so as to be able to move up and down, and at the rear end of the arm 1a. Is provided with a sewing machine motor (not shown) for driving a drive mechanism for forming a stitch on the work cloth via the sewing needle H. Further, below the sewing needle H, there are provided a holding frame 1b for holding the work cloth and a drive mechanism 1c for moving the holding frame 1b back and forth and right and left. The driving mechanism is described in JP-A-4-1508.
Since it is the same as that described in Japanese Patent Publication No. 0, refer to the same publication for details.

The control box 2 is a device for selecting and executing a desired sewing program from a floppy disk FD in which a sewing program is stored. A switch for selecting a sewing program to be executed and a switch from the floppy disk FD. A control panel 55 having various switches such as a switch for instructing reading and writing of a program, a display unit for displaying a program number and an operation state of the floppy disk drive device 59, and a removable floppy disk FD. And a floppy disk drive device 59 for reading and writing data by being mounted on the disk drive. A controller connection terminal 2 is connected to a side surface of the control box 2 to connect a plug 15 of the controller 3 described later.
a is provided.

Next, the controller 2 will be described with reference to FIG. The controller 2 creates and corrects stitch position data necessary for forming a stitch pattern.

The controller 3 is provided with an operation unit 3a provided with various keys and the like on the upper surface.
A program key for instructing the automatic sewing machine 100 to change from the sewing mode to the program mode or vice versa;
Numeric keys 62 for designating various commands and the number of stitches
A display device 63 for displaying the number of stitches specified by the numeric keys 62 in three digits, and a command for moving the holding frame 1b in the XY directions based on the stitch position data stored in the storage area of the sewing data memory. A first mode in which the holding frame 1b is intermittently moved for each stitch position data of one stitch by ON / OFF (pressing / non-pressing) of the plus key 64 and the minus key 65 to be output, and a stitch corresponding to a large number of stitches of the holding frame 1b. An F lamp 67 composed of an LED for indicating that an input mode designating key 66 for switching between a second mode to be moved according to the position data is turned on, and a stitch position at a stitch position changed based on the operation of the jog key. A load key 68 for loading data into a storage area of the sewing data memory is provided.

On the other hand, on the lower surface side of the controller 3, FIG.
As shown in FIG. 1, a cord storage recess (hereinafter, simply referred to as a recess) 12 which is a wide-open recess for storing a connection cord 13 described later is formed, and the inside of a peripheral wall portion 12a forming the recess 12 is formed. A connection cord 13 for connecting to the control box 2 is attached to the surface. The connection cord 13 is formed by covering a conductive wire with an elastic tube such as rubber.

An erect member 11a for winding the connection cord 13 is provided substantially at the center of the inner surface of the recess 12.
There is provided a cord winding section 11 integrally formed with a drop-off preventing claw 11b for preventing the connection cord 13 wound around the upright member 11a from falling off.

Further, on the peripheral wall portion 12a, locking notches 10 for locking the connection cords 13 are provided on the left and right, respectively. Since the inside diameter of the notch 10 for locking is set slightly smaller than the outside diameter of the connection cord 13,
Is pressed against the elasticity of the cord itself, so that the connection cord 13 is securely locked.

The peripheral wall 12a is formed to have a width of about 20 mm so that it can be easily grasped by hand.

A plate magnet 14 is attached to the surface of the peripheral wall portion 12a and the surface of the cord winding portion 11. The plate magnet 14 constitutes the magnetic body of the present invention.

By connecting the plug 15 to the controller connection terminal 2a of the control box 2, the plug 15 is electrically connected to the controller 2 so that data can be transmitted and received.

Next, a control system of the automatic sewing machine 100 configured as described above will be described with reference to FIG.
FIG. 6 is a control block diagram of the automatic sewing machine.
The control circuit 50 provided with U is configured as a core. The control circuit 50 is connected with a ROM 51, a working memory 52, a sewing data memory 53, and an input / output interface 54.

The ROM 51 stores a movement control program for controlling the movement of the work cloth holding device, and various other programs necessary for controlling the automatic sewing machine. Various operations are performed based on stored programs.

Here, the working memory 52 is composed of a random access memory (RAM), and has a storage area for various working data.

The sewing data memory 53 comprises a RAM as well as the working memory, and stores the stitch position data from the absolute origin set at one of the four corners of the holding frame 1b to the sewing start position. There is provided a storage area in which stitch position data for each stitch necessary for forming an area and a stitch pattern is sequentially stored at each address.

Further, the control circuit 50 includes a control panel 55, an X motor driver 56, a Y motor driver 57, a sewing machine motor driver 58, a floppy disk drive 59, and a control panel 55 via the input / output interface 54.
The controller 3 is connected.

An X motor is connected to the X motor driver 56. The X motor driver 56 controls the X motor 33 in a predetermined rotation direction based on a drive control signal output from the control circuit 50. Only the step driving is performed. Further, the Y motor driver 57 is connected to the Y motor 21. The Y motor driver 57 controls the Y motor 21 based on a drive control signal output from the control circuit 50, similarly to the X motor driver 56. The stepping drive is performed by a predetermined amount in the rotation direction.

Further, the sewing machine motor 6 described above is connected to the sewing machine motor driver 58. The sewing machine motor driver 58 rotates and stops the sewing machine motor 6 based on a drive control signal output from the control circuit 50. Is controlled.

Next, the procedure for connecting the controller 3 to the controller connection terminal 2a of the control box 2 and using the controller 3 in the automatic sewing machine 100 configured as described above will be described with reference to FIG. explain.

Normally, with the connection cord 13 completely unwound from the winding section 11, a part of the connection cord is locked in one of the locking notches 10 and the plug 15 is connected. After being connected to the controller connection terminal 2a of the control box 2, the controller 3 is installed at a desired position on the sewing machine table, and the operation unit 3a is used with the operation unit 3a facing upward.

At this time, for example, when the controller 3 is installed near the control box 2, the connection cord 13 is too long, which may hinder the sewing operation.

In such a case, once the connection cord 13 is detached from the notch 10 for locking, the connection cord 13 is wound around the winding portion 11 several times to obtain a desired length. The connection cord 13 is again locked in the locking notch 10 and the controller 3
Is set in the desired position on the sewing machine table 4 with the operation unit 3a facing upward, so that it can be used.

Therefore, the connection cord 13 is adjusted to an appropriate length, and the wound connection cord 13 is stored in the concave portion 12, so that the connection cord 13 can be efficiently provided without hindrance. Sewing work can be performed.

Further, since the peripheral wall portion 12a is formed to have a width which can be gripped by hand, the peripheral wall portion 12a fits easily into the hand and is easy to hold.
Easy to handle.

Further, since the locking notches 10 are provided on the left and right sides, the connection cord 13 can be taken out from either the left or right side, so that the work can be performed more easily.

Further, since a plate magnet 14 is attached to the surface of the peripheral wall portion 12a and the surface of the cord winding portion 11, it is possible to prevent the position from being shifted when placed on the sewing machine table 4. it can.

When the iron plate stand 4a as shown in FIG. 5 is used by attaching it to the sewing machine table 4 with the wood screw 4b, the controller 3 is surely attached to the stand 4a by the magnetic force of the plate magnet 14. It can be fixed and can be easily removed. By using the stand 4a in this manner, the display device 6
3 becomes easier to see, and the key operation becomes easier, so that the operability of the controller 3 is further improved.

Next, a procedure for removing the controller 3 from the control box 2 and storing it when the controller 3 is not used will be described with reference to FIG.

First, the connection cord 13 is detached from the controller connection terminal 2a of the control box 2.

Next, once the connection cord 13 is removed from the notch 10 for locking, the connection cord 13 is wound around the winding section 11 over the entire length.

Then, as shown in FIG.
The vicinity of the plug 15 of FIG. 5 is locked in the notch 10 for locking, so that it can be stored.

Accordingly, since the connection cord 13 is entirely wound up by the winding portion and stored in the recess 12, the connection cord 13 does not hinder the storage, and the connection cord 13 is The connection cord 13 is locked at the notch 10 and the connection cord 13 is securely held by the drop-off preventing claw 11b of the winding part 11, so that the wound connection cord 13 is not unwound and the winding state is maintained. Can be surely maintained.

The present invention is not limited to the embodiment described in detail above, and various changes can be made without departing from the gist of the present invention.

For example, in the above-described embodiment, the concave portion 12 for accommodating the connection cord 13 is provided on the lower surface of the controller 3, but may be provided on the side surface of the controller 3. In short, any surface other than the surface on which the operation unit 3a is provided may be used.

Further, in the above embodiment, the width of the peripheral wall portion 12a is formed to be about 20 mm over the entire circumference, but only a part of the peripheral wall portion 12a is formed to have the above-mentioned width so that the portion is used as a grip portion. A configuration may be used, and a value larger than 20 mm or a value smaller than 20 mm may be set as long as the width is easy to hold by hand.

In the above embodiment, the plate magnet 14 is attached to the surface of the peripheral wall portion 12a and the surface of the cord winding portion 11, but a rubber magnet, an electromagnet, or the like may be used instead of the plate magnet. Good. When an electromagnet is used, it is possible to configure so as to switch whether or not to generate a magnetic force by turning on / off a power supply.

Furthermore, in the above-described embodiment, the notch 10 for locking is provided at two places on the left and right of the peripheral wall part 12a, but only one place or three or more places may be provided. It may be provided at any position on the peripheral wall portion 12a.

[0051]

As is apparent from the above description,
The sewing machine controller according to claim 1 of the present invention is provided on a surface other than the surface on which the operation unit is provided, and has a recess capable of storing the connection cord, and stands up on an inner surface of the recess. A winding portion including an upright member for winding the connection cord, a drop-off preventing claw for preventing the connection cord wound around the upright member from falling off, and a peripheral wall portion forming the recess And a notch portion for locking the connection cord at at least one position.

Therefore, since the length of the connection cord can be easily adjusted, the sewing operation can always be performed comfortably without the connection cord being in the way.

Further, since the connection cord can be stored in the lower surface of the controller when not in use, the handling is easy and the aesthetic appearance is excellent.

In the sewing machine controller according to the present invention, at least a part of the peripheral wall is formed to have a width that can be grasped by hand, so that the peripheral wall can be grasped by hand, and the controller is adapted to the hand. Easy to handle.

In the controller for a sewing machine according to a third aspect of the present invention, since a magnetic body is attached to at least one of the surface of the peripheral wall portion and the surface of the winding portion, the surface of the peripheral wall portion and the surface of the peripheral portion may be connected to each other. The controller for the sewing machine can be easily fixed to the sewing machine table, the iron plate stand member, or the like by the magnetic force of the magnetic material attached to at least one of the surfaces of the winding unit.

[Brief description of the drawings]

FIG. 1 is an overall configuration diagram illustrating an overall configuration of an automatic sewing machine according to an embodiment of the present invention.

FIG. 2 is a perspective view illustrating a configuration of an operation unit side of a controller.

FIG. 3 is a perspective view illustrating a configuration of a controller on a cord storage unit side before a connection cord is wound.

FIG. 4 is a perspective view illustrating a configuration of a controller on a cord storage unit side after a connection cord has been wound.

FIG. 5 is a diagram showing a state in which the controller leans against a stand.

FIG. 6 is a block diagram illustrating a configuration of a control system of the automatic sewing machine.

FIG. 7 is a perspective view showing a state in which a connection cord is wound around a conventional sewing machine controller.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Sewing machine main body 2 Control box 3 Controller 3a Operation part 4 Sewing machine table 10 Locking notch part 11 Cord winding part 11a Standing member 11b Dropping prevention claw 12 Cord storage concave part 12a Peripheral wall part 13 Connection cord 14 Plate magnet 15 Plug 100 Automatic sewing machine

Claims (3)

[Claims] 1. An operation unit for editing various data such as stitch positions and the like, and a connection cord connected to a sewing machine main body and having a plug for transmitting a control signal at one end,
A sewing machine controller configured to transmit the data edited in the operation unit to the sewing machine main body via the connection cord, wherein the controller is provided on another surface except the surface on which the operation unit is provided, and A recess capable of accommodating a cord, an upright member that stands on the inner surface of the recess and winds the connection cord, and a drop-off prevention device that prevents the connection cord wound around the upright member from falling off A controller for a sewing machine, comprising: a winding portion including a claw; and a notch portion for locking the connection cord at at least one position of a peripheral wall portion forming the concave portion. 2. The controller for a sewing machine according to claim 1, wherein at least a part of the peripheral wall is formed to have a width that can be gripped by hand. 3. The sewing machine controller according to claim 1, wherein a magnetic body is attached to at least one of the surface of the peripheral wall portion and the surface of the winding portion.