JPH0596071A - Sewing machine provided with embroidery function having mark cutter device - Google Patents

Abstract

PURPOSE:To allow the sewing machine to have a badge and a cut character and a picture making function in addition to an embroidery function. CONSTITUTION:In a sewing machine A with an embroidery function having an X-Y driving part 1, a heater 3 with a flatiron tip 4 is provided, and a mark cutter device B constituted of a Z motor 6 so that the heater 3 with the flatiron tip 4 can move vertically is provided in the outer end of a carriage body 1b so as to be attachable and detachable. In the case a mark cut mode is selected, the heater 3 and the flatiron tip 4 (heat cutter) are subjected to heating control, and by cutting a body C to be cut such as cloth, paper, etc., of a mark cut frame M installed in a free arm 8 by the flatiron tip 4, a clipping work of a character, a picture, etc., is executed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sewing machine having an embroidery function having a patch cutter function and a mark cutter device capable of making cut characters and pictures in addition to embroidery.

[0002]

2. Description of the Related Art Currently, there are sewing machines with various embroidery functions that allow various kinds of embroidery.
For example, Japanese Laid-Open Patent Application No. 2-5728 developed by the applicant
There is No. 8.

[0003]

However, in the sewing machine with the embroidery function, only the embroidery can be sewn on the outside of the normal sewing, and the utilization for the sewing work is low.

X equipped with a sewing machine with an embroidery function
There was also a problem of how to use the Y drive unit.

[0005]

Therefore, the inventors of the present invention have made earnest studies to solve the above-mentioned problems, and as a result, the invention is provided with a heater with a tip, and the heater with a tip is moved up and down. It is possible to attach a mark cutter device composed of a Z motor to the outer arm of the carriage body of the XY drive part of the sewing machine with an embroidery function, and attach the mark cutting frame to the free arm. By using the sewing machine with the embroidery function that has the mark cutter device provided in, it is possible to create cut letters and pictures in the same way as the patch making function and the mark cutter in addition to normal sewing and embroidery sewing. It has been resolved.

[0006]

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

Reference numeral A denotes a sewing machine with an embroidery function, which indicates an embroidery sewing machine capable of embroidering only and a compound embroidery sewing machine capable of normal sewing and embroidery sewing.

This sewing machine A with an embroidery function is installed with a computer program in advance, and a central processing unit (CP
Various embroidery stitches are made possible by the control device including U) 9. In particular, what is shown in FIG. 8 is an industrial sewing machine.

As shown in FIG.
As shown in FIG. 2, an XY drive unit 1 is provided, and an X motor 22 and a Y motor 23 controlled by the XY drive unit 1 are provided.
Is provided to move the carriage guide 1a in the X direction, follow the carriage guide 1a in the X direction, and move the carriage body 1b in the Y direction by the Y motor 23.

That is, the carriage 1b is provided so as to be movable in the XY directions.

In the carriage body 1b of the XY drive unit 1,
The mark cutter device B is attached.

The mark cutter device B is mainly composed of a heater 3 with a tip 4, and a Z motor 6 for vertically moving a Z carriage 5 provided with the heater 3.

In practice, the mark cutter device B is shown in FIG.
As described above, the carriage body 1b of the XY drive unit 1 is attached to the outer end of the carriage body 1b through the attachment 2, and more specifically, the carriage body 1b is projected from the outside of the sewing machine A with an embroidery function. It is mounted on the top surface of the attachment 2 which is fixedly connected to the part.

The structure of the mark cutter device B is such that an elevating rod 7b is vertically installed on a bottom plate 7a of the Z carriage base 7.
A vertically extending through hole of a block-shaped Z carriage 5 is inserted into the elevating rod 7b, and the Z motor 6 (stepping motor) is attached to a bottom plate 7a of the Z carriage base 7.
Driving teeth 6a of the Z-carriage 5 mesh with the rack 5a provided on the vertical side surface of the Z carriage 5, and the driving of the Z motor 6 drives the driving teeth 6a.
a is rotated in an appropriate direction and is vertically movable via the rack 5a.

A guide 7c is provided to prevent the Z carriage 5 from reversing during this vertical movement.

As a concrete example of the Z carriage 5,
As shown in FIGS. 2 to 4, the outer shape is a box shape having an L shape, and the heater 3 with the tip 4 is provided in the horizontal case portion 5b.
Is horizontally installed, and the tip 4 is a horizontal case part 5.
It projects from the tip of b.

The through holes are formed at the upper and lower ends of the vertical case portion 5c, and the elevating rod 7b is inserted therethrough, so that the Z carriage 5 moves up and down.

The tip 4 may be provided on the tip side of the heater 3 or the heater 3 may be incorporated therein, and the tip 4 is bent in an inverted L shape.

The mark cutter device B has two positions from the top dead center position (see the solid line position in FIG. 2) to the bottom dead center position (see FIG. 3).
A control program for controlling the Z motor 6 is stored so as to move up and down between the points and wait for selection, especially at the chain line portion in FIG.

The mark cutting frame M is mounted on the free arm 8 of the sewing machine A having an embroidery function.

The mark cutter device B has two positions from the top dead center position (see the solid line position in FIG. 2) to the bottom dead center position (see FIG. 3).
A control program for controlling the Z motor 6 is stored so as to move up and down between the points and wait for selection, especially at the chain line portion in FIG.

FIG. 9 is a block diagram of the first embodiment for operating the present invention.

The sewing machine A with an embroidery function has a central processing unit (CPU) 9 built into the control box. The central processing unit (CPU) 9 has an input side,
Mode selecting means 10 for appropriately selecting normal sewing, embroidery sewing, mark cutting, etc., pattern selecting means 11 having a pattern selecting key 11a, needle position detecting means 1 for detecting needle position
2. A pattern data storage means (ROM) 13 for storing the stitch data created by the program and a system program for control, and a selected pattern storage means (RAM) 14 for storing the read embroidery data for embroidery are respectively connected. ing.

An actuator drive circuit 15, a heater control device 16, a sewing machine motor drive circuit 17, and a pattern display device 18 are connected to the output side.

When normal sewing is selected and appropriately controlled by the mode selecting means 10, the needle of the drive motor 19 for switching between the needle bar amplitude motor and the Y direction motor is output by the output signal of the actuator drive circuit 15. The rod amplitude motor and the feed adjusting motor 20 for feed adjustment are driven, and the sewing machine motor 21 is driven by the output signal of the sewing machine motor drive circuit 17.

When the embroidery is selected by the mode selecting means 10 and appropriately controlled, the output signal of the actuator drive circuit 15 drives the Y-direction motor and the X motor 22 by the switching drive motor 19 to drive the sewing machine motor. The sewing machine motor 21 is driven by the output signal of the drive circuit 17.

Here, in the case of only the embroidery function, when the embroidery is selected by the mode selection means 10 and appropriately controlled, the X motor 22 and the Y motor 23 are driven by the output signal of the actuator drive circuit 15. The sewing machine motor 21 is driven by an output signal of the sewing machine motor drive circuit 17.

Further, the mark cutting is performed by the mode selecting means 10
In case of selecting and controlling appropriately, the output signal of the actuator drive circuit 15 drives the Y-direction motor and the X motor 22 by the switching drive motor 19 and the Z motor 6 to drive the heater control device 16. The heater 3 and the tip 4 (heat cutter) are heated and controlled by the output signal.

The operation of the first embodiment shown in FIG. 9 will be described. When the mark cut mode is selected by the mode selecting means 10, the heater 3 is lowered to the position of the chain line in FIG. 2 and waits for the selection of character or picture data. Then, when an appropriate pattern is selected by the pattern selecting means 11 provided with the pattern selecting key 11a and the start switch is pressed, the data selected from the pattern data storing means (ROM) 13 storing the program data is stored in the selected pattern. It is temporarily stored in the means (RAM) 14 and is output to the actuator drive circuit 15 and the heater control device 16 to drive the Y direction motor and the X motor 22 by the switching drive motor 19 and the Z motor 6 respectively. Further, the heater 3 is heated and controlled, and the heater 3 with the tip 4 is lowered to the position shown in FIG. 3, and the tip 4 is driven in the X, Y, Z directions. By doing so, the mark cutting frame M mounted on the free arm 8
An object to be cut C such as a cloth or paper stretched over the sheet is cut by a tip 4 provided on a heater 3 to cut out characters or pictures.

In the case of embroidery stitching / normal stitching, FIG.
As indicated by the solid line, the heater 3 is retracted to an appropriate raised position.

FIG. 10 is a block diagram of a second embodiment for operating the present invention.

Regarding the same components as in the first embodiment,
The same reference numerals are given and omitted. In the second embodiment, on the input side of the central processing unit (CPU) 9, pattern data storage means (ROM) for storing stitch data created by a program called a card ROM and a system program for control.
24 and a heat cutter connection detecting means 25 for automatically confirming that the heat cutter is connected are respectively connected.

Further, the actuator drive circuit 1 on the output side
5 is an X motor driving device 15A for driving the X motor 22,
The Y motor driving device 15B for driving the Y motor 23 and the Z motor driving device 15C for driving the Z motor 6 are separately provided.

The operation of the second embodiment shown in FIG. 10 will be described. The pattern data storage means (RO
M) 24, heat cutter connection detection means 2
5, the heat cutter is automatically connected, and the data selected from the pattern data storage means (ROM) 24 in which the program data is stored is temporarily stored in the selected pattern storage means (RAM) 14, and this is stored. The cloth output to the X motor driving device 15A, the Y motor driving device 15B, and the Z motor driving device 15C and stretched on the mark cutting frame M,
An object C to be cut such as paper is cut by a tip 4 provided on a heater 3 to cut out characters and pictures. The second embodiment has an advantage that the heat cutter working process is automatically performed by mounting the pattern data storage means (ROM) 24 of the external data card.

[0035]

According to the present invention, the mark cutter device B is provided with the heater 3 with the tip 4, and the heater 3 with the tip 4 is movable by the Z motor 6 so as to move up and down.
In the sewing machine A with an embroidery function having the Y drive unit 1, the mark cutter device is detachably provided on the outer end of the carriage body 1b of the XY drive unit 1 and the mark cutting frame M is attachable to the free arm 8. The sewing machine with an embroidery function has the effect of allowing you to cut out patches and cut out letters and pictures.

To explain these effects in detail, first,
By providing the mark cutter device B, the mark cutting can be surely performed, and the patch and the characters and pictures can be cut out very orderly on the cloth and the paper in the mark cutting frame M, and the sewing machine can be used as a sewing machine. It can be used very effectively. That is, by incorporating the mark cut function into the sewing machine that only had the embroidery function, the sewing machine can be effectively used, and the opportunities for utilizing the sewing machine can be significantly increased. You can

Further, according to the present invention, since the mark cutter device B is detachably provided at the outer end of the carriage body 1b of the XY drive unit 1, it can be provided as an option of a normal sewing machine with an embroidery function, and many The sewing machine with the embroidery function is not provided in the sewing machine itself because it can be supplied to the demand, and the construction is relatively simple, and the sewing machine can be provided at a low cost.

[Brief description of drawings]

FIG. 1 is a partially cutaway perspective view of the present invention.

FIG. 2 is a sectional view of an essential part of the present invention showing a mark cutting process.

FIG. 3 is a sectional view of an essential part of the present invention showing a mark cut state.

FIG. 4 is a perspective view of a main part of a mark cutter device.

5 is a cross-sectional view of the main part of FIG.

FIG. 6 is a perspective view of the present invention showing a mark cut state.

FIG. 7 is an enlarged perspective view of an essential part showing a mark cut state.

FIG. 8 is a perspective view of an industrial sewing machine provided with the present invention.

FIG. 9 is a block diagram of a first embodiment for operating the present invention.

FIG. 10 is a block diagram of a second embodiment for operating the present invention.

[Explanation of symbols]

 1 A …… Sewing machine with embroidery function 2 1 …… XY drive section 3 1b… Carriage body 4 3 …… Heater 5 4 …… Tip tip 6 6 …… Z motor 7 8 …… Free arm 8 M …… Mark cutting frame

Claims (1)

[Claims] 1. A mark cutter device comprising a heater with an iron tip and a Z motor capable of vertically moving the heater with an iron tip is provided in an XY in a sewing machine with an embroidery function. A sewing machine with an embroidery function having a mark cutter device, which is detachably provided on an outer end of a carriage of a drive section and a mark cutting frame is provided to be attached to a free arm.