JP3756763B2 - Large-scale image embroidery data generator - Google Patents

Description

[0001]
[Industrial application fields]
The present invention relates to an embroidery data generating apparatus that reads a desired image, converts it into embroidery control data, and stores it in order to be applied to a sewing machine that automatically embroiders based on control data.
[0002]
[Prior art]
The conventional sewing machine capable of embroidering is designed to automatically embroider the cloth on the basis of the control data of the embroidery pattern selected from pre-stored data and to control the embroidery of the desired image. The machine frame is composed of an arm machine frame and a bed machine frame in any case. In the provided sewing machine, since the image embroidering range is limited, it is difficult to embroider large images.
[0003]
[Problems to be solved by the invention]
The present invention reads a large image that cannot be read by a conventional sewing machine, converts it into embroidery control data based on the read image data, and makes it possible to embroider a large image using the control data. It is.
[0004]
[Means for Solving the Problems]
The present invention relates to an embroidery control data creation device that generates embroidery pattern control data that can be formed in an embroidery frame that is automatically controlled based on given image data.
A large image exceeding the embroidery range is divided so that a plurality of predetermined embroidery range images are continuous, and a plurality of embroidery control data are generated for each of the divided embroidery range images. A start point for starting embroidery at an appropriate position outside the image for each embroidery area, and a connection point for connecting the next embroidery area to the sewing end point for finishing the embroidery sewing in the embroidery area and stopping the sewing machine. The data for coupling is generated, the start point for connecting to the connection point, which is determined based on the position movement of the predetermined embroidery frame in the next embroidery range, and embroidery sewing is finished, and the sewing machine is stopped. Dividing embroidery of a large image characterized in that data for combining with a sewing end point and the plurality of embroidery control data are readable and stored in a storage unit It was possible to solve the problems by a data generation device.
[0005]
[Action]
By forming a plurality of embroidery control data and linking data for each embroidery range according to the configuration of the means for solving the problem, the present invention can embroid large images continuously in the embroidery range. There is an effect.
[0006]
【Example】
The configuration of an embodiment of the present invention will be described below. The image reading apparatus 1 shown in FIG. 1 includes a main body 2 and a scanner 3, and the main body 2 and the scanner 3 are electrically connected via a cord 4. .
[0007]
The main body 2 is provided with a reading board 5 capable of reciprocating the scanner 3 in the direction of the arrow, and an image placement unit 6 is formed on the reading board. A power switch 7, a liquid crystal display 8 and a large image key 9 are provided on the surface of the reading board 5 adjacent to the main body 2, and a memory card mounting hole 10 is provided on the side of the adjacent part. A storage member 11 such as a ROM or RAM card (a readable / writable storage card) can be detachably mounted in the storage card mounting hole.
[0008]
FIG. 2 shows a large image 12. The large image is cut into a size (vertical H × horizontal H) that can be mounted on the image mounting portion 6 of the reading board 5, or as shown in FIG. Divide into reading sheets (for example, flexible transparent paper) 13 and 14 that can be copied within the range of size (vertical H x horizontal H), and if each of the divided reading sheets is arranged in parallel, one large image is formed by combination Make a partial copy of the image.
[0009]
When each of the plurality of divided images in FIG. 3 is scanned, the large image key 9 provided on the main body 2 is operated to sequentially read the respective divided reading sheets 13 and 14. A start point P as a start position and a sewing end point O as a final stitch position are automatically stored as control data at appropriate coordinate positions.
[0010]
The sewing machine 21 shown in FIG. 5 includes an arm machine frame 22 and a bed machine frame 23, and a base machine frame 24 is provided below the bed machine frame.
[0011]
A drive shaft (not shown) is rotatably supported in the arm machine frame 22 so that the needle bar 25 and the balance (not shown) are reciprocated in conjunction with the rotation of the drive shaft. ing. Further, a presser bar 26 parallel to the needle bar 25 is supported, and an embroidery presser 27 is attached to the lower end of the presser bar.
[0012]
The bed machine frame 23 movably supports a thread catcher for holding a bobbin bobbin and a feed dog movement mechanism (both not shown) at a needle drop point of a needle attached to the needle bar 25.
[0013]
The base machine frame 24 incorporates an XY drive mechanism (not shown) for driving an embroidery frame (described later), and an embroidery frame attachment of a carriage constituting a part of the XY drive mechanism. A portion 28 is provided on the back side of the bed machine frame 23 so as to be movable.
[0014]
On the upper surface of the arm machine frame 22, there is provided a lid 29 that can be opened and closed, a holding rod 30 that holds the upper thread, and a replacement presser storage part 31, and the front surface of the arm machine frame 22 is made of liquid crystal. A display unit 32, a sewing function selection operation key 33 and a pattern selection operation key 34 are provided, and a mounting unit 35 to which the ROM and RAM cards 11 can be attached and detached is provided.
[0015]
The sewing machine frame 21 can select either the main sewing mode or the embroidery mode by operating the function selection operation key 33. If the main sewing mode is selected, the needle attached to the needle bar 25 is selected. 36, the upper thread and the lower thread form a main stitch by the cooperation of the thread catcher in the bed machine frame and the feed dog movement mechanism, and if the embroidery mode is selected, the machine is incorporated in the base machine frame 24. By the movement of the XY drive mechanism, embroidery is performed on the cloth W stretched on the embroidery frame attached to the embroidery frame attachment portion 28 of the carriage by the cooperation of the needle bar and the thread loop catching portion.
[0016]
The embroidery frame 37 is composed of a combination of an outer frame 38 and an inner frame 39. The outer frame 38 has a ring shape that is partially cut, and both ends are connected to the cut portion and the ring portion can be adjusted to be enlarged or reduced. An adjustment screw 40 is provided, and an attachment arm 41 that can be fixed to the embroidery frame attachment portion 28 of the carriage is integrally provided at an appropriate position of the outer frame 38. A sliding hole 42 is formed, and two pins 43, 43 penetrating the sliding hole and appropriately spaced from each other and a screw 44 at an intermediate position between the two pins are disposed.
[0017]
The pins 43 and 43 are inserted into the upper surface holes of the embroidery frame mounting portion 28 of the carriage provided in the XY driving mechanism, and the screws 44 are screw holes provided in the approximate center of the embroidery frame mounting portion 28. Screw the embroidery frame 37 to the carriage.
[0018]
If the screw 44 is slightly loosened, it can be moved within the range of the long sliding hole 42 by guiding the pins 43 and 43. In other words, the embroidery frame 37 of the present invention is fixed to the rightmost attachment portion 28 of the carriage and fixed, and the positions of the pins 43 and 43 inserted into the carriage with respect to the sliding groove 42 are embroidered at the positions indicated by solid lines in FIG. The actual embroidery movement range is vertical J x horizontal L. If the embroidery range is to be expanded beyond that, the embroidery range can be expanded by K by moving the embroidery frame 37 laterally by a distance K. ing.
[0019]
Since the present invention has the structure as described above, the large image 12 is divided into a plurality of parts and copied onto reading sheets 13 and 14 having a size that can be read by the image reading apparatus 1, and the reading sheets are sequentially arranged in the image reading apparatus. 1 is placed on the image placement unit 6.
In order to sequentially read the divided large images, the large image key 9 is switched on, and a plurality of image sheets are successively read by the scanner 3 one by one.
[0020]
Image data of the read image is converted into embroidery control data in the main body 2, and the control data is stored in the storage unit 11 of the ROM or RAM card inserted in the main body 2. . When the large image key 9 is operated, in addition to the image data, a combination of a start point P that becomes the start position of the embroidery and an end point O that becomes the final stitch position at an appropriate position on the common X-ray outside the image. Data is automatically created and stored.
[0021]
By removing the ROM and RAM card 11 storing the control data for each of the divided large images 12 from the main body 2 and inserting them into the card mounting portion 35 of the sewing machine 21 switched to the embroidery mode. The graphic of the input large image 12 is displayed on each display unit 45 of the stored image in the display unit 32 of the sewing machine 21 (see FIG. 6).
[0022]
Next, when the operator selects and operates each display unit 45 of the stored image with the fingertip, only the selected figure is displayed on the selection display unit 46 in the display unit 32, and at the same time, the embroidery of the figure on which the sewing machine 21 is displayed can be formed. Will be in a position.
[0023]
Next, as shown in FIG. 8, cloth W is stretched on the embroidery frame 37, the embroidery frame is slid in the direction of the arrow X through the slide hole 42, and the embroidery frame 37 is moved to the rightmost side with respect to the carriage mounting portion 28. Next, when the sewing machine is operated, embroidery of the divided image 13 input first among the large images divided and input starts from the start point P, and the sewing machine temporarily stops until the sewing end point O.
[0024]
Embroidery is based on the image of the divided sheet 13, and the embroidery range is performed in a portion of a width indicated by vertical H × horizontal H starting from the start point P shown in FIG.
[0025]
Next, the embroidery frame 37 is loosened with the screw 44 to the left of the carriage mounting portion 28 in order to perform the post-process embroidery corresponding to the other divided sheet 14 adjacent to the pre-process embroidery corresponding to the already-sewn divided sheet 13. Therefore, the sewing end point O of the previous process divided embroidery of the fabric W is moved to the position of the restart point S2, which is the needle drop point of the needle that has already been automatically moved by M. Then, the screw 44 is fastened and the embroidery frame 37 is fixed to the carriage mounting portion 28.
[0026]
When the operation of the sewing machine is resumed in the movement process of the embroidery frame 37 as described above, the sewing machine 21 is embroidered starting from the start point P from the position of the restart S2 when the embroidery of the second image 14 of the divided input of the large image is restarted. The sewing stops to the sewing end point.
[0027]
The pre-embroidery embroidery 13 and the post-embroidery embroidery 14 have the stitching end point O of the pre-embroidery embroidery and the start point P of the post-embroidery embroidery matched so that the two embroidery stitches are joined and the figure is accurately connected. And embroidery of large images.
[0028]
Since the present invention has the structure and operation as described above, the large image 12 is divided into a plurality of portions, each image data is read, and the start point P is on a straight line extending in the common X direction in each divided image. The sewing end point O and the start point P of each divided embroidery are moved by moving the embroidery frame at the end of each of the divided embroidery stitches based on the control data to which the sewing end point O is automatically added. , The embroidery based on the control data stored by reading the images of the plurality of divided sheets shown in FIG. 3 can be combined with the embroidery of a large image as shown in FIG.
[0029]
【effect】
As described above, the present invention divides and reads a large image that cannot be input in the space of the conventional reader, and automatically converts the combined data to the control data of each divided image when converting each image data to the control data. By adding the data, divided embroidery data of a large image can be generated.
This data enables the embroidery of large images by combining the embroidery with the embroidery frame slidable with respect to the carriage, and the appearance of the embroidery increases dramatically as the figure increases in size. Therefore, the practical effect is remarkably large.
[Brief description of the drawings]
FIG. 1 is a perspective view of an image reading apparatus according to the present invention. FIG. 2 is a plan view of a large image to be read according to the present invention. Fig. 4 is a plan view of an embroidery according to the present invention. Fig. 5 is a perspective view of a sewing machine according to the present invention. Fig. 6 is a plan view of a display unit of the sewing machine according to the present invention. FIG. 8 is a perspective view showing a state in which the cloth held by the embroidery frame is embroidered according to the present invention.
[Explanation of symbols]
Embroidery frame ... 37
Starting point ... P
End point of sewing ... O
Storage unit ... 11

Claims (1)

In an embroidery control data creation device for generating embroidery pattern control data that can be formed in an embroidery frame that is automatically controlled based on given image data,
Dividing a large image exceeding the embroidery range so that a plurality of predetermined embroidery range images are continuous, generating a plurality of embroidery control data for each of the divided embroidery range images, A start point for starting embroidery at an appropriate position outside the image for each embroidery area, and a connection point for connecting the next embroidery area to the sewing end point for finishing the embroidery sewing in the embroidery area and stopping the sewing machine. The data for coupling is generated, the start point for connecting to the connection point, which is determined based on the position movement of the predetermined embroidery frame in the next embroidery range, and embroidery sewing is finished, and the sewing machine is stopped. characterized by being adapted to store the readably storing unit and coupling data between said plurality of embroidery data for control and sewing end point, a large image segmentation thorns Zhu Data generating device.

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