JPH0280083A - Embroidering device mountable to sewing machine - Google Patents

Abstract

PURPOSE:To facilitate work of mounting a thread bobbin to and removing it from a horizontally rotating shuttle without removing a workpiece cloth from an embroidering table by moving it to a predetermined position in an embroiderable moving area with a notched part or a cut opening corresponding to a bobbin takeout port in a needle plate of a main unit frame. CONSTITUTION:In order to apply embroidering to a workpiece cloth mounted to an embroidering table 18 by using a spring steel-made ring-shaped member, the embroidering table 18 forms in its front side right half part a circular opening part 62 of diameter a little larger than a moving stroke of the embroidering table 18. A notched part 65 for exchanging a thread bobbin 4 is formed in a front side of the opening part 62 and in a front end almost right half part of the embroidering table 18. A slip plate 11 is opened to the front, when the thread bobbin 4 is mounted to and removed from a horizontally rotating shuttle 5, the thread bobbin 4 can be easily mounted to and removed from the horizontally rotating shuttle 5 through the notched part 65 and a bobbin takeout port 31 in a condition of mounting the workpiece cloth to the opening part 62 by moving the embroidering table 18 to a thread bobbin exchange position.

Description

[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to an embroidery device that can be attached to a sewing machine, and particularly to an embroidery device that can be attached to a sewing machine and a work cloth attached to an opening of an embroidery table. , relates to a sewing machine in which a bobbin thread bobbin can be attached to and detached from a horizontal hook of the sewing machine.

[Prior art]

Conventionally, an embroidery device that could be attached to and detached from the free arm of a sewing machine and made it possible to embroidery relatively large letters and figures was developed in Japanese Patent Application Laid-open No. 5.
This is disclosed in Japanese Patent No. 9-75084.

This embroidery device has the problem that the embroidery device must be removed from the sewing machine each time the bobbin thread is replaced or refilled, requiring additional work to remove and attach the embroidery device. be.

Therefore, the applicant of the present application proposed an embroidery device that can be attached to a sewing machine (Utility Model Application No. 63-103031) in which a bobbin thread bobbin can be attached to and detached from a horizontal hook without removing the embroidery device from the sewing machine.
No. 63-193714).

The embroidery device that can be attached to a sewing machine according to the above-mentioned Hikari application allows the bobbin thread bobbin to be attached to and removed from the horizontal hook on the throat plate of the main body frame that corresponds to the horizontal hook of the sewing machine while the embroidery device is attached to the sewing machine. The bobbin thread bobbin can be easily attached to and removed from the horizontal hook through the opening of the embroidery table and the bobbin outlet.

[Problems to be Solved by the Invention] In the embroidery device that can be attached to a sewing machine according to the Hikari application, when changing the workpiece cloth to be embroidered or changing the location of the embroidery stitches, the workpiece cloth is placed on the embroidery table. When the embroidery device is removed from the opening of the sewing machine, the bobbin thread bobbin can be easily attached and detached from the horizontal hook through the opening and the bobbin outlet with the embroidery device attached to the sewing machine.

However, in the middle of embroidery sewing with the work cloth attached to the opening, when attaching or removing the bobbin thread bobbin or checking the remaining amount of bobbin thread, the work cloth must be removed from the opening each time. , Removing and attaching the fabric requires extra work and a considerable amount of time is wasted, and if the fabric is removed during embroidery, it may not be possible to attach the fabric to the position it was in before it was removed. There are problems such as having to unravel part of the embroidered pattern since it is almost impossible to repair.

SUMMARY OF THE INVENTION An object of the present invention is to provide an embroidery device that can be attached to a sewing machine so that a bobbin thread bobbin can be easily attached to and detached from a horizontal hook without removing the work cloth from the embroidery table while the embroidery device is attached to the sewing machine. It is about providing.

[Means to solve the problem]

The embroidery device according to the present invention that can be attached to a sewing machine includes an embroidery table stop having an opening for attaching a work cloth to be used for embroidery sewing, a needle insertion opening, and a bobbin outlet for attaching and detaching a bobbin thread bobbin to and from a horizontal hook. A main body frame equipped with a throat plate having a needle plate, a drive mechanism that drives the embroidery table in the left-right direction with respect to the main body frame, a drive mechanism that drives the embroidery table in the front-rear direction with respect to the main body frame, and a re-drive mechanism that controls the When detachably attached to the free arm of a sewing machine having a horizontal hook, the bobbin outlet corresponds to the horizontal hook, and the sewing machine works in conjunction with the vertical movement of the sewing needle to sew embroidery on the workpiece fabric. In an embroidery device that performs embroidery, a notch or notch opening for replacing the bobbin thread is provided at a predetermined location outside the opening of the embroidery table, and the notch is removed by moving the embroidery table to a predetermined position within the movement area where sewing is possible. The part or notch opening is configured to correspond to the bobbin outlet of the throat plate of the main body frame.

[Effect]

In the embroidery device that can be attached to a sewing machine according to the present invention,
When the embroidery device is attached to the sewing machine, a bobbin outlet is provided in the throat plate of the main body frame to correspond to the horizontal hook of the sewing machine. On the other hand, a notch or notch opening is provided at a predetermined portion outside the opening of the embroidery table, and by moving the embroidery table to a predetermined position within the movement area where sewing is possible, the notch or notch opening can be removed from the bobbin. It can be made to correspond to the outlet.

Therefore, the bobbin thread bobbin can be easily attached to and detached from the horizontal hook through the cutout or the cutout opening and the bobbin outlet without removing the work cloth from the opening of the embroidery table.

〔Effect of the invention〕

According to the embroidery device that can be attached to a sewing machine according to the present invention, as explained above, there is no need to attach or detach the embroidery device from the free arm or to attach or detach the work cloth from the opening.
The bobbin thread bobbin can be attached/detached and replaced by simply moving the embroidery table to a predetermined position within the movement area where sewing is possible, so it can be used to replace the bobbin thread bobbin or check the remaining bobbin thread amount. This simplifies the work and improves operability and work efficiency. Since the bobbin thread bobbin can be replaced without removing the work fabric from the opening, the control technology makes it possible to accurately return the embroidery table and the work fabric to their original positions after replacing the bobbin thread bobbin, thereby improving the pattern surface. It becomes possible to continue embroidering without causing any trouble.

In addition, since the embroidery table is moved to a predetermined position within the movement area where sewing is possible when replacing the bobbin thread bobbin, the drive mechanism for driving the embroidery table does not become complicated or large.

〔Example〕

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

In this embodiment, the present invention is applied to an embroidery device that is attached to the free arm of an electronically controlled zigzag sewing machine and performs embroidery stitches on a workpiece cloth.

First, an outline of an electronically controlled zigzag sewing machine M to which an embroidery bag W1 can be attached will be explained based on FIG.

In the arm part 2 of this sewing machine M, a needle bar vertical drive device, a needle bar swing drive device, and a thread take-up drive device are incorporated, and in the free arm part (bed part) 3, upper and lower feed dogs for fabric feeding are installed. A vertical feed drive device for moving the feed dog back and forth, and a horizontal hook 5 consisting of an inner hook and an outer hook for holding the bobbin thread bobbin 4 are incorporated. The needle bar swing drive device and the longitudinal feed drive device are each driven by a pulse motor (not shown), and the needle bar vertical movement device, the take-up lever drive device, and the vertical feed drive device are driven by a sewing machine motor 6 (see Fig. 5). are driven respectively. Note that 7 is a needle bar, 8 is a sewing needle, 9 is a presser bar, O is a throat plate, and 11 is a sliding plate.

A head 12 provided at the tip of the arm portion 2 is provided with a start/stop switch 13 for controlling starting and stopping of the sewing machine motor 6, and a power switch 15 is provided on the pillar portion 14.
is provided.

Next, let's talk about the embroidery equipment that applies the desired embroidery to the processed fabric.
This will be explained based on FIGS. 1 to 4.

An operating section 17 is provided on the front side of the main body frame 16,
The embroidery table 18 is mounted on the main body frame 16 behind the operation unit 17 in the left-right direction (hereinafter referred to as the X direction) and the front-back direction (
A drive unit 19 is provided for moving the camera in the X direction (hereinafter referred to as the X direction).

The operation unit 17 includes a start/stop switch 20 for starting or stopping embroidery stitching, a pattern selection switch 21 consisting of a numeric keypad, a "+" key and a "-" key for selecting a desired embroidery pattern, and a pattern selection switch. Display unit 2 is used to display the pattern number of the embroidery pattern selected in step 21.
2. A left movement key 23 for moving the embroidery table 18 to the left, a right movement key 24 for moving it to the right, a forward movement key 25 for moving it forward, and a backward movement key 26 for moving it backward are provided. .

The main body frame 16 on which the drive section 19 is provided has a substantially rectangular shape in plan view, and the main body frame 16 has a throat plate 27 as a clay wall.
and a bottom plate 28 as a lower wall. When the embroidery device 1 is attached to the free arm section 3 of the sewing machine M, the throat plate 27
is located on the upper surface of the free arm section 3, and the bottom plate 28 is inserted between the lower surface of the free arm section 3 and the base 29 of the sewing machine M.

In this state, a needle insertion opening 30 is formed in the throat plate 27 below the sewing needle 8, and a corresponding rectangular bobbin outlet 31 is formed above the sliding plate 11.

A first rack member 32 is disposed on the lower surface side of the rear part of the throat plate 27 in the left-right direction, and a slit 33 that is long in the left-right direction is formed in the first rack member 32. A pair of guide pins 34 extending downward from the bottom surface
- 35 are inserted through each of the guide pins 34 and 35, and the first rack member 32 is held at a predetermined height by a retaining fastener 36 attached to the vicinity of the lower end of each guide pin 34, 35. A drive pin 37 for moving the embroidery table 18 in the X direction is erected at the left end of the first rank member 32.

Racks 38 are formed on the rear end surface of the first rack member 32, extending from near the right end thereof at a predetermined length, and the ranks 38
A pinion 39 that meshes with the pinion 39 and an intermediate gear 40 integrally formed with the pinion 39 are rotatably attached to the throat plate 27. Further, a first pulse motor 42 equipped with a drive gear 41 that meshes with an intermediate gear 40 is fixed to an auxiliary frame 43 with screws 44. As a result, when the first pulse motor 42 is driven, the pinion 39 is rotated via the drive gear 41 and the intermediate gear 40, and the first rack member 32 is connected to the pair of guide pins 3 that fit into the slits 33.
4.35, it is not guided and is driven in the X direction (left and right direction).

A second rack member 45 is arranged in the front-rear direction on the lower surface side of the left-hand side portion of the throat plate 27, and a slit 46 long in the front-rear direction is formed in the second rack member 45. A pair of guide pins 35 and 47 extending downward from the lower surface of the plate 27 (however, the guide pin 35 also fits into the slit 33 of the first rack member 32) are inserted into each of the second rack members 45 and 47, respectively. It is held at a predetermined height by a retaining fastener 36 attached to the vicinity of the lower end of the guide pins 35 and 47. In order to support the embroidery table 18 and move it in the front-back direction, support parts 48 and 49 bent inward in a three-shape shape are provided at the front and rear ends of the second rack member 45, respectively, and are oriented in the left-right direction. A spacer 5 with low frictional resistance is provided at the upper end of the support portions 48 and 49.
0 and 51 are installed respectively.

A rack 52 is formed on the left end surface of the second rack member 45 over a predetermined length thereof, a pinion 53 meshing with the rack 52, and an intermediate gear 5 integrally formed with the pinion 53.
4 is rotatably attached to the throat plate 27. Furthermore, a second pulse motor 56 equipped with a drive gear 55 that meshes with the intermediate gear 54 is fixed to the auxiliary frame 57 with screws 58. As a result, when the second pulse motor 56 is driven, the pinion 53 is rotated via the drive gear 55 and the intermediate gear 54, and the second rack member 45 is rotated by the pair of guide pins 35 and 47 that fit into the slit 46. It is not guided and is driven in the Y direction (back and forth direction).

A guide groove 59 extending in the front-back direction is formed in the rear half of the lower surface of the embroidery table 18 near the left end, and guide grooves 60 and 61 extending in the left-right direction are formed near the front end and rear end of the embroidery table 1B. The upper end of the drive pin 37 engages with the guide groove 59 of the embroidery table 18, and the support part 48 engages with the guide groove 60 via the spacer 50, and the guide groove 61 engages with the upper end of the drive pin 37. Spacer 5
The needle plate 27 is placed on the throat plate 27 with the support portion 49 engaged through the needle plate 1 . That is, as the first rank member 32 moves in the X direction by the drive of the first pulse motor 42, the drive bin 37 also moves in the Support part 48 to engage
・Move in the X direction without being guided by 49. Further, as the second rack member 45 moves in the Y direction by the drive of the second pulse motor 56, both the supporting parts 48 and 49 also move in the Y direction, and the embroidery table 18 is engaged with the guide groove 59 thereof. It is moved in the Y direction without being guided by the driving bin 37. Therefore, by driving the first pulse motor 42 and the second pulse motor 56 in combination, the embroidery table 18 is moved so that the right ends of the pair of guide grooves 60 and 61 are brought into contact with the right ends of the pair of support parts 48 and 49, respectively. From the left limit position where the pair of guide grooves 60 and 61 touch, to the right eye area position where the left ends of the pair of guide grooves 60 and 61 abut the left ends of the pair of support parts 48 and 49, respectively, and the rear end of the guide groove 59 touches the drive bin 37. The front end of the guide groove 59 from the front limit position where it contacts the drive bin 37
It can be moved to a desired position within the movement range up to the rear limit position where it abuts.

The work cloth is attached to the right half of the embroidery table 18 using a ring-shaped member made of spring steel.
The embroidery table 18 is attached to the
circular opening 6 with a diameter slightly larger than the travel stroke of
2 is formed.

A notch 65 for replacing the bobbin thread bobbin 4 is formed in front of the opening 62 at approximately the right half of the front end of the embroidery table 18 .

By the way, when the embroidery table 1B moves within the range of the left limit position, right limit position, front limit position, and rear limit position, the movement area is surrounded by points A, B, C, and D in FIG. When the embroidery table 18 moves within this movement area, the needle insertion port 30 is located within the opening 62 and sewing is possible. The cutout portion 65 is connected to the embroidery table 18.
When the bobbin is positioned at the rear limit position as shown by the three-dot chain line in Fig. 2 and approximately midway between the left limit position and the right limit position (hereinafter referred to as the bobbin thread bobbin exchange position), the bobbin The front end of the right half of the embroidery table 18 corresponding to the upper part of the rear end of the outlet 31 is cut out. here,
When the embroidery table 18 moves to the right eye field position,
Approximately the right half of the support part 48 advances into the notch part 65, but when the embroidery chiffle I8 is moved to the bobbin thread exchange position, the entire support part 48 is accommodated in the guide groove 60, so that the support part 48 This does not obstruct attachment and detachment of the bobbin thread bobbin 4. A drive mechanism for driving the embroidery table 18 in the X direction is composed of the first rank member 32, pinion 39, intermediate gear 40, drive gear 41, first pulse motor 42, drive bottle 37, etc., and the second rack member 45 , a pinion 53, an intermediate gear 54, a drive gear 55, a second pulse motor 56, and the like constitute a drive mechanism that drives the embroidery table 18 in the Y direction.

A free arm insertion opening 64 is formed in the main body frame 16 by a needle plate 27, a bottom plate 28, and a pair of side walls 63, and when the embroidery device 1 is attached to the sewing machine M, the free arm insertion opening 64 is
As shown in FIG. 4, the free arm section 3 is inserted into the free arm insertion port 64. At this time, the bobbin outlet 31
and the sliding plate 11 are in a vertically corresponding positional relationship. In other words, open the sliding plate 11 forward and attach the bobbin thread bobbin 4 to the horizontal hook 5.
When attaching or detaching the bobbin, move the embroidery table 18 to the bobbin thread exchange position as shown by the three-dot chain line in FIG. Since the outlet 31 corresponds to the horizontal hook 5, the bobbin thread bobbin 4 can be easily attached to and removed from the horizontal hook 5 through the notch 65 and the bobbin outlet 31 with the work cloth attached to the opening 62.

Next, the overall configuration of the control system of the embroidery device 1 will be explained based on the configuration diagram of FIG. 5.

A sewing data generator 70 is connected to the pattern selection switch 21, and the sewing data generator 70 generates X-direction feed data and Y-direction feed data for each sewing operation for each of a large number of embroidery patterns that can be sewn. Embroidery data in pairs are stored in advance in correspondence with pattern numbers, and the sewing data generator 70 converts the X-direction feed data into The data is supplied to a movement amount calculation device 71, and the Y direction feed data is supplied to an X direction movement amount calculation device 72.

A timing signal generator 73 is connected to this sewing data generator 70, and generates one pulse signal when the needle bar 7 is at its uppermost position every time the needle bar 7 makes one reciprocating up and down movement. Each time the sewing data generating device 70 is supplied, the sewing data generating device 70 supplies the X-direction feed data to the X-direction movement amount calculation device 71 and supplies the Y-direction feed data to the X-direction movement amount calculation device 72.

The X-direction movement amount calculation device 71 includes an X-direction movement control device 74.
An X-direction movement control device 75 is connected to the X-direction movement amount calculation device 72. The X-direction movement control device 74 supplies X-direction feed data corresponding to the operation time of the leftward movement key 23 or rightward movement key 24 to the X-direction movement amount calculation device 71. The X-direction movement amount calculation device 71 is
Based on the X-direction feed data supplied from the sewing data generator 70 and the X-direction feed data supplied from the X-direction movement control device 74, the number of X-direction drive pulses and drive direction for driving the first pulse motor 42 are calculated. This X-direction drive pulse number signal and drive direction signal are supplied to the X-direction drive control circuit 76. The X-direction movement control device 75 supplies Y-direction feed data corresponding to the operating time of the forward movement key 25 or the backward movement key 26 to the X-direction movement amount calculation device 72. The X-direction movement calculation device 72 drives the second pulse motor 56 in the Y-direction based on the Y-direction feed data supplied from the sewing data generator 70 and the Y-direction feed data supplied from the X-direction movement control device 75. This is a device that calculates the number of drive pulses and the drive direction by calculating the number of drive pulses in the Y direction and the drive direction signal.
The signal is supplied to the direction drive control circuit 77.

As a result, the X-direction drive control circuit 76 controls the first pulse motor 42 based on the X-direction drive pulse number signal and the drive direction signal.
The Y-direction drive control circuit 77 controls the second pulse motor 56 based on the Y-direction drive pulse number signal and the drive direction signal, so that the amount of movement of the embroidery table 18 in the X and Y directions is appropriately controlled. Then, the embroidery stitch selected by the pattern selection switch 21 is performed, or the embroidery table 18 is moved in accordance with commands from the movement keys 23-26.

A motor control circuit 78 is connected to the start/stop switch 20, and based on an ON signal supplied from the switch 20, the sewing machine motor 6 is driven at a predetermined sewing speed.

In addition, each device 70 to 72, 74, 75 and each circuit 76, 77
The power supplies for driving the first pulse motor 42 and the second pulse motor 56 are connected to the sewing machine M through connecting wires not shown.
Supplied from. In addition, this control device can be
It may be configured with a microcomputer consisting of OM, RAM, etc.

The sewing machine M is also provided with a detection switch (not shown) that detects whether the embroidery device 1 is attached, and when the embroidery device 1 is attached to the sewing machine M and a detection signal is output from the detection switch, the sewing machine M is controlled. The device controls the pulse motor of the needle bar swing drive device so as not to drive it, and also controls the pulse motor of the back-and-forth feed drive device so as not to drive it.

When performing embroidery stitching with the embroidery device 1 configured as described above, the embroidery device 1 is mounted on the sewing machine M, and a workpiece cloth is set in the opening 62 using a ring-shaped member made of spring steel.

The user operates each of the movement keys 23 to 26 to move the embroidery table 18 to the embroidery start position, operates the pattern selection switch 21 to select a desired embroidery pattern, and then operates the start/stop switch 20. As a result, the sewing machine motor 6 rotates, and a timing signal is supplied from the timing signal generator 73 to the sewing data generating device 70 in synchronization with the vertical reciprocating movement of the needle bar 7 . The sewing data generator 70 supplies X-direction feed data to an X-direction movement amount calculation device 71 and supplies Y-direction feed data to a Y-direction movement amount calculation device 72 every time a timing signal is supplied. The X-direction drive control circuit 76 drives the first pulse motor 42 based on the X-direction drive pulse number signal and drive direction signal calculated by the X-direction movement amount calculation device 71, and the X-direction drive control circuit 76 drives the first pulse motor 42 based on the The Y-direction drive control circuit 77 drives the second pulse motor 56 based on the Y-direction drive pulse number signal and the drive direction signal. As a result, the embroidery table 18 is sequentially moved and the selected embroidery pattern is formed on the work cloth in cooperation with the vertical movement of the sewing needle 8.

When removing the bobbin thread bobbin 4 with the work cloth set in the opening 62, move the embroidery table 18 by operating the movement keys 23 to 26 as appropriate so that the opening 62 is in the position shown by the three-dot chain line in FIG. is moved to the lower thread bobbin exchange position, and then the horizontal hook 5 is moved through the notch 65 and the bobbin outlet 31.
The bobbin thread bobbin 4 can be easily attached and detached from the bobbin.

As explained above, since the notch 65 for replacing the bobbin thread bobbin 4 is provided in the front of the opening 62 of the embroidery table 18,
The bobbin thread bobbin 4 can be easily attached to and detached from the horizontal hook 5 through the notch 65 and the bobbin outlet 31, and there is no need to remove the work cloth from the opening 62 each time. Therefore, no extra work or time is required when attaching and detaching the bobbin thread bobbin 4, and the operability of the embroidery device 1 can be greatly improved.

Furthermore, since the amount of bobbin thread remaining in the bobbin thread bobbin 4 can be easily checked through the notch 65 and the bobbin outlet 31, the bobbin thread can be replenished in a timely manner before the bobbin thread in the bobbin thread bobbin 4 runs out.

Note that when the distance from the front end of the embroidery table 18 to the front end of the opening 62 is longer than the distance in the front-rear direction of the bobbin outlet 31, a cutout opening may be provided in place of the cutout 65. Alternatively, a first switch and a second switch may be provided in the operating section 17, a memory and a control circuit may be added to the control device, and the embroidery table 18 may be automatically moved to the bobbin thread bobbin exchange position in response to the operation of the first switch. In addition, after the bobbin thread bobbin 4 is replaced, the embroidery table 18 can be controlled to automatically return to the original position before the operation of the first switch in response to the operation of the second switch.

Furthermore, a known bobbin thread remaining amount detection device is provided, and when the bobbin thread of the bobbin thread boppin 4 falls below a predetermined amount, the embroidery table 1 is automatically
8 may be moved to the bobbin thread bobbin exchange position.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention, and FIG. 1 is an exploded perspective view of an embroidery device that can be attached to an electronically controlled zigzag sewing machine;
Fig. 2 is a plan view of the embroidery device, Fig. 3 is a cross-sectional side view taken along the line m-m in Fig. 2, Fig. 4 is a cross-sectional front view taken along the line ■-■ in Fig. 2, and Fig. 5 is a control system of the embroidery device. FIG. M...Sewing machine, l...Embroidery device, 3...Free arm section, 4...Bobbin thread bobbin, 5...Horizontal hook, 8...
Sewing needle, 16...Body frame, 18...Embroidery table, 23-26...Movement key 27...Thread plate, 31...
Bobbin outlet, 32...first rack member, 34, 35
・47・・Guide pin, 37・・Drive pin, 38・
52...Rack, 39.53...Pinion, 40.5
4. Intermediate gear, 41.55. Drive gear, 42.
・First pulse motor, 45...Second rank member, 5
6...Second pulse motor, 59-61...Guide groove,
62.. Opening portion, 65.. Notch portion, 70.. Sewing data generation device, 71.. X direction movement amount calculation device, 72.
-Y direction movement amount calculation device, 76..X direction drive control device, 77..Y direction drive control device. Patent applicant Brother Industries, Ltd.

Claims (1)

[Claims] (1) A main body frame equipped with an embroidery table having an opening on which the work cloth to be used for embroidery sewing is attached, and a needle plate having a needle insertion port and a bobbin outlet for attaching and removing the bobbin thread bobbin to the horizontal hook. , comprising a drive mechanism that drives the embroidery table in the left-right direction with respect to the main body frame, a drive mechanism that drives the embroidery table in the front-back direction with respect to the main body frame, and a control means that controls both the drive mechanisms, In an embroidery device that is removably attached to a free arm of a sewing machine having a horizontal hook, the bobbin outlet corresponds to the horizontal hook, and performs embroidery stitches on the work cloth in cooperation with the vertical movement of a sewing needle of the sewing machine. , by providing a notch or notch opening for replacing the bobbin thread bobbin at a predetermined location outside the opening of the embroidery table, and moving the embroidery table to a predetermined position within the movement area where sewing is possible.
An embroidery device that can be attached to a sewing machine, characterized in that the cutout portion or the cutout opening is configured to correspond to a bobbin outlet of a throat plate of a main body frame.