JPH0584370A - Embroidering machine - Google Patents

Abstract

PURPOSE:To provide an embroidering machine capable of easily positioning an object to be embroidered and transferred and correctly transferring the object at the target position. CONSTITUTION:An embroidering frame 4 is arranged on a bed 2 movably in X, Y directions, and a transfer sheet feeder 20 arranged with a transfer sheet is fixed on the embroidering frame 4. A transfer device 50 is arranged adjacently to the embroidering device of an arm, and the movement, embroidering, and transfer of the embroidering frame 4 and the feed of the transfer sheet are performed by a control circuit.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an embroidery machine capable of both embroidery and transfer.

[0002]

2. Description of the Related Art Conventionally, a method has been known in which a cloth embroidered by using a single color embroidery thread is transferred to a transfer machine, and the upper surface of the embroidered pattern is colored by the transfer machine. As an example, according to the method disclosed in Japanese Patent Laid-Open No. 60-115499, first, an embroidery machine is used to embroider a cloth with gold thread or silver thread. Then, the embroidered cloth is moved to a predetermined position of a transfer machine different from the embroidery machine, and transfer images are printed on the embroidery and the periphery of the embroidery.

[0003]

However, since the embroidery machine and the transfer machine are separate bodies, when the embroidered cloth is set on the transfer machine, the position of the embroidery should be exactly aligned with the position where the image is to be printed. In particular, when it is desired to print only on the upper surface of the embroidery pattern, even if there is a slight deviation in the printing, the printing may be performed on the cloth without embroidery, which may stain the cloth.

Therefore, it is a technical object of the present invention to provide an embroidery machine capable of easily positioning the cloth to be embroidered and accurately transferring it to a desired position.

[0005]

[Constitution of the invention]

[0006]

To solve the above-mentioned problems, a technical solution provided in the present invention is a machine frame having a bed and an arm portion located above the bed, and a movable body on the bed. An embroidery frame for fixing the embroidered object, a moving means for moving the embroidery frame in a plane, an embroidery means for embroidering the embroidered object, and a transfer provided on the upper surface of the embroidery frame. A sheet feeding unit, a transfer unit disposed above the transfer sheet feeding unit, a driving unit, the embroidery unit, the transfer sheet feeding unit, and a control unit for controlling driving of the transfer unit are provided. Preferably, the transfer sheet feeding means comprises a substantially quadrilateral frame, a pair of shaft portions arranged on opposite sides of the frame, around which both ends of the transfer sheet are wound, Rotate the shaft in the circumferential direction. That includes a turning means, rotation of said rotating means is that it is controlled by the control means.

[0007]

When the object to be embroidered is fixed to the embroidery frame, the control means instructs the embroidery means and the driving means of the embroidery frame to move the embroidery frame in a plane and to embroider the object to be embroidered on the embroidery frame. To do. Before or after the embroidery is performed, the control means instructs the transfer sheet feeding means and the transfer means to transfer the embroidered frame to a desired position while moving the embroidery frame. At this time, the embroidered object to be embroidered and transferred is always fixed to the embroidery frame, and it is not necessary to remove the embroidered object from the embroidery frame regardless of whether the transfer is performed before or after the embroidery. It is possible to perform embroidery and transfer to an accurate position without using.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described with reference to FIGS. FIG. 1 shows a front view of the embroidery machine of this embodiment. The machine frame 1 of the embroidery machine according to this embodiment includes a bed 2 and a bed 2
It is composed of a more upright arm portion 3.

An embroidery frame 4 is movably arranged on the upper surface of the bed portion 2. As shown in FIG. 3, the embroidery frame 4 includes an embroidery frame body 4a and an engagement frame 4b that engages with the inner circumference of the embroidery frame body 4a and holds the embroidered object 5 between the embroidery frame body 4a. ing. An embroidery holder 7 is fixed to the embroidery frame body 4a, and the embroidery frame 4 is movably arranged on the X moving arm 8a by the embroidery frame holder 7.

Next, a moving device for moving the embroidery frame 4 in a plane will be described. Grooves 9 are provided on both sides of the bed 2, both ends of the Y moving bar 8b are arranged in the grooves 9, and a Y motor 11 (FIG. 6) arranged in the bed 2 is provided.
Therefore, it moves in the Y direction. Also, Y
An X moving arm 8a is provided on the side surface of the moving bar 8b, and is moved in the X direction by an X motor 10 (FIG. 6). In this way, the X movement arm 8a and the Y movement bar 8b move in the X and Y directions, respectively, so that the embroidery frame 4 is moved in a plane.
The moving direction and moving distance of the embroidery frame 4 are controlled by the embroidery frame drive circuit 62 of the control circuit 60 (FIG. 6). The embroidery frame drive circuit 62 receives the embroidery data read from the data input device 63, drives the X motor 10 and the Y motor 11, and rotates each motor detected by the X motor encoder 10a and the Y motor encoder 11a. The position of the embroidery frame 4 is recognized by receiving the number and the rotation angle.

Next, the embroidery device will be described. Arm 3
A thread stand 41 for raising the embroidery thread 40 and a thread guide 42 are disposed on the upper surface of the thread stand 40. The embroidery thread 40 fixed to the thread stand 41 passes through the thread guide 42, the balance 43, and the thread tension adjusting device 44. It is adapted to be passed through the embroidery needle 45. When the upper shaft motor 46 (FIG. 6) of the embroidery machine operates according to an instruction from the embroidery / transfer switching circuit 61 (FIG. 6) of the control circuit 60, the embroidery needle 45 reciprocates downward from the arm 3 and embroiders. I do. At this time, the rotation speed and rotation angle of the embroidery machine upper shaft motor 46 are detected by the embroidery machine upper shaft sensor 47 and sent to the embroidery / transfer switching circuit 61. Further, a lower thread of the embroidery thread and a hook device for supplying the lower thread are arranged in the bed 2, and these are driven in synchronization with the embroidery needle 45 arranged in the arm 3. I'm running.

A transfer sheet feeding device 20 having a transfer sheet 30 is fixed to the upper surface of the embroidery frame 4. The skeleton of the transfer sheet feeding device 20 is composed of a transfer sheet feeding frame (hereinafter, simply referred to as a feeding frame) 22 having a substantially quadrilateral shape, and a mounting portion 22 a arranged on one side of the feeding frame 22 is embroidered. Embroidery frame holder 7 for frame 4
The transfer sheet feeding device 20 is fixed to the upper surface of the embroidery frame 4 by being attached to. At both ends of the feed frame 22, a first shaft 23 and a second shaft 24 are arranged so as to be rotatable in the circumferential direction and parallel to each other. A gear 25 is arranged at one end of the first shaft 23, and a gear 26 a of a transfer sheet feeding motor 26 is meshed with the gear 25. A reel 24a is arranged on the second shaft 24 and always urges the second shaft 24 in the clockwise direction (direction of arrow a in FIG. 2).

A transfer sheet 30 is wound around the reel 24a of the first shaft 23 and the second shaft 24. As shown in FIG. 4, the transfer sheet 30 of the present embodiment is formed by printing a plurality of heat-sublimable transfer materials in a plurality of colors at regular intervals for each single color on a long and narrow sheet-like sheet. A pair of winding cords 30a is attached to one end thereof, and the other end is wound into a roll shape. In the transfer sheet feeding device 20,
A roll-shaped portion is passed through the first shaft 23, and the reel 24a of the second shaft 24 is wound with the winding cord 30a to be attached. The length of the winding string 30a is the first
Longer than the length between the shaft 23 and the second shaft 24, the winding cord 30
Even if the end portion of a is wound around the reel 24a, the length of the winding string 30a alone between the first shaft 23 and the second shaft 24 is as long as possible. In this way, when the transfer sheet feeding motor 26 is operated to rotate the gear 26a clockwise in FIG. 2, the gear 25 rotates counterclockwise so that the transfer sheet 30 is wound up against the biasing force of the reel 24a. I'm running. On the contrary, the transfer sheet feeding motor 26
When the gear 26a rotates counterclockwise,
Since the shaft 23 rotates clockwise and the second shaft 24 also rotates clockwise due to the biasing force of the reel 24a, the transfer sheet 30 is rewound to the second shaft 24 side.

A plate 51 is fixed to the end of the arm 3 by a screw member, and a transfer device 50 is arranged on the plate 51. As shown in FIG. 5, the transfer device 50 has a heater (thermal head) 52 that moves up and down at the lower end thereof, and presses and heats the transfer sheet 30 from above the transfer sheet 30 to place it on the embroidered object. The transfer is performed. A rotary solenoid 55 is fixed to the plate 51, and a link bar 54 is provided on a rotary arm 56 of the rotary solenoid 55.

A guide groove 53 is provided below the link bar 54.
A rod 53 provided with a heater 52 is provided on the lower end of the rod 53. The plate 51 is placed in the guide groove 53a.
Two guide pins 57 fixed to the guide pin 57 are passed therethrough, and when the rotary solenoid 55 is actuated to rotate the rotating arm 56, the rod 53 moves up and down along the guide pin 57. Further, the heater 52 is provided with a heater cord 58. The transfer sheet feeding motor 26 and the rotary solenoid 55 are also operated by the embroidery / transfer switching circuit 61 according to the transfer data read from the data input device 63.

Next, the operation of this embodiment will be described. Here, what is transferred after the embroidered object 30 is embroidered will be described. When the embroidered object 5 is set on the embroidery frame 4 and the embroidery / transfer switching circuit 61 receives an instruction to start embroidery, the embroidery / transfer switching circuit 61 causes the embroidery frame drive circuit 62 to match the embroidery frame 4 with the embroidery data and perform XY. In response to the instruction, the embroidery frame drive circuit 62 drives the X motor 10 and the Y motor 11. Embroidery frame drive circuit 62
Is capable of recognizing the accurate position of the embroidery frame 4 based on the information sent from the X encoder 10a and the Y encoder 11a. Further, the embroidery / transfer switching circuit 61 drives the upper shaft motor 46 of the embroidery machine to drive the embroidery needle 4
5 is reciprocated to embroider on the embroidered object 5. At this time, the sheet portion of the transfer sheet 30 is entirely wound around the first shaft 23 side, and the winding cord 30 is placed between the first shaft and the second shaft.
The state is only a. Therefore, the feed frame 22 of the transfer sheet feeding device 20 is in the state of only the frame, and the embroidery needle 45 passes through the feed frame 22 and embroiders only the embroidered object 5.

When the embroidery is completed in this manner, the next transfer operation is started while the object to be embroidered 5 is still fixed to the embroidery frame 4. The embroidery / transfer switching means 61 performs the transfer operation as follows based on the transfer data. First, the transfer sheet feeding motor 26 is driven to rewind the transfer sheet 30 so that the color transferred by the transfer sheet 30 appears on the feed frame 22. Then, the embroidery frame driving means 62 is instructed to move the embroidery frame 4 so that the portion to which the embroidered object 5 is transferred is directly below the heater 52. At this time, the heater 52 is already energized and warmed. When the rotary solenoid 55 is thus energized, the rotary solenoid 55 rotates to lower the rod 53, press and heat the embroidered object 5 from the upper surface of the transfer sheet 30, and color the embroidered object 5. When transferring a wide range of the same color, that is, a large pattern, the embroidery frame 4 may be moved with the rotary solenoid 55 lowered to transfer the desired pattern, or the rotary solenoid may be operated to transfer the pattern once. The operation of raising the heater 52 on the sheet 30 and then moving the embroidery frame 4 may be repeated. Further, in the case of performing the transfer by changing the color, the rotary solenoid 55 is rotated to raise the heater 52 once, and then the transfer sheet feeding motor 26 is driven to wind up or rewind the transfer sheet 30 to feed the frame. Change the color above.
Then, the rotary solenoid 55 is driven again to lower the heater 52 and transfer is performed. By repeating such an operation, it is possible to transfer a plurality of colors to the upper surface of the embroidered object 5.

In this embodiment, the heater 52 has a circular shape and a flat bottom surface. However, the bottom surface of the heater 52 is provided with irregularities to form a heart pattern, an animal pattern, or a geometric pattern. A desired pattern may be transferred by simply pressing the heater 52 from above. Further, the transfer sheet 30 used is one in which a plurality of single colors are printed at a predetermined interval, but it is not always necessary that the transfer sheet 30 be a single color, and a pattern in which a plurality of colors are intermingled may be used.

[0019]

According to the present invention, it is not necessary to remove the embroidered object from the embroidery frame when the transfer is performed before and after the embroidery work, and the positions of the embroidery frame and the embroidered object are both for the transfer work and the embroidery work. Since it is controlled by the control means, the transfer position does not shift from the embroidered position, and the embroidery and transfer can be performed at the correct position.

[Brief description of drawings]

FIG. 1 shows a front view of an embroidery machine according to an embodiment of the present invention.

FIG. 2 is an exploded side view of a transfer sheet feeding device and an embroidery frame according to this embodiment.

FIG. 3 is a plan view of a transfer sheet feeding device and an embroidery frame according to this embodiment.

FIG. 4 shows a transfer sheet of this embodiment.

FIG. 5 shows a view on arrow A in FIG.

FIG. 6 shows a block diagram of this embodiment.

[Explanation of symbols]

 1 Machine frame 2 Bed 3 Arm part 4 Embroidery frame 8a X moving arm (moving means) 8b Y moving bar (moving means) 10 X motor 11 Y motor 20 Transfer sheet feeding device (transfer sheet feeding means) 22 Feed frame (frame) 23 First Axis (Shaft) 24 Second Axis (Shaft) 26 Transfer Sheet Feed Motor (Rotating Means) 30 Transfer Sheet 46 Embroidery Upper Axis Motor (Embroidery Means) 50 Transfer Device (Transfer Means) 60 Control Circuit ( Control means)

Claims (2)

[Claims] 1. A machine frame having a bed and an arm portion located above the bed, an embroidery frame movably arranged on the bed for fixing an embroidered object, and the embroidery frame is moved in a plane. Moving means, embroidery means for embroidering the object to be embroidered, transfer sheet feeding means arranged on the upper surface of the embroidery frame, transfer means arranged above the transfer sheet feeding means, An embroidery machine comprising drive means, the embroidery means, the transfer sheet feeding means, and control means for controlling the drive of the transfer means. 2. The transfer sheet feeding means comprises a substantially quadrilateral frame, a pair of shaft portions arranged on opposite sides of the frame and around which both ends of the transfer sheet are wound, and the shaft portion in the circumferential direction. 2. The embroidery machine according to claim 1, further comprising a rotating means for rotating, wherein the rotation of the rotating means is controlled by the control means.