JP2002052280A - Embroidery frame transferring device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an embroidery frame transferring device which can movably guide and support a Y directional frame, which movably guides and supports a carriage in the Y direction, in the X direction under a state wherein the Y directional frame is stabilized on an X directional frame. SOLUTION: The Y directional frame 60 movably guides and supports the carriage 12 in the Y direction. Such a Y directional frame 60 is equipped with a Y directional frame main body 61, which extends in the Y direction, and an auxiliary frame 62, which is arranged under the Y directional frame main body 61, and is fixed to the Y directional frame main body 61 at both end sections. Then, on the auxiliary frame 62, a section 83 to be guided and an engaging section 84 are provided. In this case, the section 83 to be guided is guided by a guide shaft 81. The engaging section 84 is guided by a guide member 82 at a location which is away from the section 83 to be guided in the Y direction.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an embroidery frame transfer device, and more particularly, to an auxiliary frame fixed to both ends of a Y-direction frame main body of a Y-direction frame, and to both sides of the auxiliary frame separated in the Y direction by X. The present invention relates to an embroidery frame transfer device that is supported on a direction frame by a guide.

[0002]

2. Description of the Related Art Conventionally, a general embroidery frame transfer device includes an embroidery frame, a carriage capable of attaching and detaching the embroidery frame, a Y-direction transfer mechanism for moving the carriage in a width direction (Y direction) of a sewing machine bed portion, An X-direction transfer mechanism for moving the carriage in the length direction (X-direction) of the sewing machine bed together with the Y-direction transfer mechanism is provided. The embroidery frame on which the work cloth is mounted is transferred in the X and Y directions by this embroidery frame transfer device,
The work cloth is sewn by a sewing mechanism of a sewing machine to form an embroidery pattern.

The Y-direction transfer mechanism includes a Y-direction frame for guiding and supporting the carriage movably in the Y direction, and a Y-direction drive system including a Y-direction motor mounted on the Y-direction frame and driving the carriage in the Y direction. The X-direction transfer mechanism includes an X-direction frame provided below the Y-direction frame to guide and support the Y-direction frame so as to be movable in the X direction. It has an X-direction drive system including an X-direction motor that drives in the direction.

In this type of embroidery frame transfer device, an X-direction transfer mechanism is housed in a case member, and a Y-direction transfer mechanism and a carriage are disposed above the case member. The case member can be detachably attached to a sewing machine bed. Many are configured. When the case member is mounted on the sewing machine bed portion, the electric system of the embroidery frame transfer device and the electric system of the sewing machine are connected via the connector,
The X-direction transfer mechanism and the Y-direction transfer mechanism are drive-controlled by the control unit of the sewing machine.

Various structures for guiding and moving a Y-direction frame to an X-direction frame are applied to a conventional embroidery frame transfer device. In the embroidery frame transfer device disclosed in Japanese Patent Application Laid-Open No. H11-262590 filed by the present applicant, the Y-direction frame is fixed to the Y-direction frame main body that is long in the Y-direction and to the vicinity of both ends in the length direction of the Y-direction frame main body. It has a pair of auxiliary frames, and in the X direction frame,
A pair of guide shafts that are long in the X direction and separated in the Y direction are provided.

A pair of guide shafts are arranged at positions corresponding to the vicinity of both ends in the width direction (Y direction) of the sewing machine bed portion. A pair of auxiliary frames of the Y-direction frame are respectively supported by these guide shafts. I have. The X-direction drive system for driving the Y-direction frame in the X-direction has an X-direction motor, and transmits the driving force of the X-direction motor to the vicinity of both ends in the length direction of the Y-direction frame via a pair of auxiliary frames. It is configured to be.

On the other hand, one auxiliary frame is fixed to the Y-direction frame main body, and a first guided portion provided at one end in the Y direction of the auxiliary frame is guided and supported by a guide shaft of the X-direction frame. An embroidery frame transfer device in which a second guided portion provided at the other end separated from the first guided portion in the Y direction is guided and supported by a synthetic resin case member of the embroidery frame transfer device is practical. Has been offered to.

The X-direction motor and the Y-direction motor are connected to the control device via electric cords, respectively. The wiring of the electric cords extending from the Y-direction motor of the Y-direction frame moving in the X direction is important. In addition, the inventor of the present application has proposed a device provided with a detection switch for detecting an embroidery frame on a carriage, and has studied for practical use thereof. in this case,
Since the detection switch of the carriage that moves in both the X and Y directions is electrically connected to the control device, the wiring of the wiring code extending from the detection switch is as important as above.

On the other hand, in an embroidery frame transfer device provided with an X-direction transfer mechanism and a Y-direction transfer mechanism which is practically used by the present applicant, the X-direction transfer mechanism is housed in a case member, and most of the Y-direction transfer mechanism is provided. It is arranged above the case member and housed in a movable case that is long in the Y direction. However, the Y-direction motor of the Y-direction transfer mechanism is disposed inside the case member,
The output shaft of the directional motor has a structure in which the output shaft is inserted into the movable case through the boundary between the case member and the movable case (see, for example, JP-A-11-262590).

[0010]

SUMMARY OF THE INVENTION Problems to be Solved by the Invention
In the embroidery frame transfer device disclosed in Japanese Patent Publication No. 590, a pair of auxiliary frames must be provided to guide and move the Y-direction frame to the X-direction frame. Since the driving force is transmitted to the vicinity of both ends in the length direction of the Y-direction frame via a pair of auxiliary frames, the number of components increases, and the structure becomes complicated.
There is a problem that the manufacturing cost is high.

In an embroidery frame transfer device in which one auxiliary frame fixed to the Y-direction frame main body is provided, and the first guided portion of the auxiliary frame is guided and supported by the guide shaft of the X-direction frame, Since the second guided portion must be guided and supported by the synthetic resin case member, there is a problem that it is difficult to movably guide and support the Y-direction frame in the X direction in a stable state.

Here, the inventor of the present application has proposed a device provided with a detection switch for detecting an embroidery frame on the carriage, and studied for practical use. However, the present invention extends from the detection switch of the carriage that moves in both the X and Y directions. It is not easy to arrange the wiring cords neatly and to guide them into the case member, and there is a problem that the wiring cords are exposed to the outside and dust and dust easily adhere to the wiring cords. Further, it is not easy to guide the electric cord extending from the Y-direction motor to the case member.

On the other hand, in an embroidery frame transfer device which has been put to practical use by the present applicant as disclosed in Japanese Patent Application Laid-Open No. H11-262590, a Y-direction motor of a Y-direction transfer mechanism is disposed inside a case member, and a Y-direction motor is provided. Since the output shaft is inserted into the movable case through the boundary between the case member and the movable case, a slit through which the output shaft of the Y-direction motor moving in the X direction is inserted must be formed in the case member. However, the case member becomes complicated, dust and dirt easily enter the case member from the slit, and the yarn may be entangled with the output shaft of the Y-direction motor.

An object of the present invention is to provide an embroidery frame transfer device, in which a Y-direction frame is supported on a X-direction frame in a stable manner so as to be freely movable in the X-direction, the number of parts is reduced, the structure is simplified, and the manufacturing cost is reduced. Reduction, wiring cords extending from the detection switch of the carriage, cords extending from the electric motor of the Y-direction frame are neatly arranged and securely guided in the case, and the motor of the Y-direction transfer mechanism is provided at an appropriate arrangement position. And so on.

[0015]

According to a first aspect of the present invention, there is provided an embroidery frame transfer device, wherein the embroidery frame, a carriage for detachably connecting the embroidery frame connecting portion, and a carriage for independently moving the carriage in orthogonal X and Y directions. An embroidery frame transfer device provided with a mechanism, wherein the transfer mechanism guides and supports the carriage so as to be movable in the Y direction, and disposes the Y direction frame disposed below the Y direction frame in the X direction. An X-direction frame movably guide-supported, wherein the X-direction frame is provided with a guide shaft and a guide portion at a position elongated in the X direction and separated from each other in the Y direction, and the Y-direction frame is elongated in the Y direction. A direction frame main body and an auxiliary frame disposed below the main body and fixed at both ends to the Y direction frame main body. The auxiliary frame has a guided portion guided by the guide shaft; An engagement portion guided by the guide portion is provided at a position separated from the guided portion in the Y direction.

This embroidery frame transfer device includes an embroidery frame, a carriage, and a transfer mechanism. The embroidery frame connecting portion is mounted on the carriage, and the carriage is independently moved in the X direction and the Y direction orthogonal to each other. The work cloth attached to the carriage is sewn by a sewing mechanism of a sewing machine to form an embroidery pattern. The transfer mechanism has a Y-direction frame and an X-direction frame disposed below the Y-direction frame. The Y-direction frame supports and supports the carriage so as to be movable in the Y-direction. Guide supported movably in the direction.

The frame in the X direction has a length in the X direction and a length in the Y direction.
A guide shaft and a guide portion are provided at positions separated from each other in the direction. The Y-direction frame has a Y-direction frame main body that is long in the Y-direction and auxiliary members that are disposed below the Y-direction frame main body and fixed at both ends to the Y-direction frame main body. Has a frame. The auxiliary frame is provided with a guided portion and an engaging portion. The guided portion is guided by a guide shaft, and the engaging portion is guided by the guide portion at a position separated from the guided portion in the Y direction. .

As described above, both ends of the auxiliary frame are fixed to the Y-direction frame main body of the Y-direction frame, and the guided portion and the engaging portion of the auxiliary frame which are separated in the Y direction are connected to the guide shaft of the X-direction frame. X to support the guide at the guide
The Y-direction frame can be guided and supported on the direction frame so as to be movable in the X-direction in a stable state. In addition, the guided portion and the engaging portion of the auxiliary frame, and the guide shaft and the guide portion of the X-direction frame can be provided relatively close in the Y direction, so that the structure of the transfer mechanism can be simplified and downsized. Cost can be reduced.

According to a second aspect of the present invention, in the embroidery frame transfer device according to the first aspect of the present invention, a pair of guided portions are provided on the auxiliary frame at positions separated from each other in the X direction. . The Y-direction frame can be held in a more stable state with respect to the X-direction frame, and can be guided and supported in a more stable manner in the X-direction.

According to a third aspect of the present invention, in the embroidery frame transfer device according to the first or second aspect of the present invention, a case for accommodating a part of the auxiliary frame and the X-direction frame is provided, and a Y-direction frame main body and a carriage are provided above the case. And a pair of slits is formed in the upper wall and the side wall of the case so that the auxiliary frame is movably inserted in the X direction. A part of the auxiliary frame and the X-direction frame are accommodated in the case, and the Y-direction frame body and the carriage are arranged on the upper side of the case. Guide can be supported.

According to a fourth aspect of the present invention, in the embroidery frame transfer device, a detection switch for detecting the embroidery frame mounted on the carriage is provided, and most of the wiring cords extending from the detection switch into the case are provided. A cord supporting portion for supporting and guiding along the Y direction is provided on the Y direction frame main body. Wiring cords extending from the detection switch of the carriage moving in the Y direction into the case can be arranged neatly and securely guided into the case. When the Y-direction frame is covered by the movable case, wiring is performed within the movable case. Since most of the cords can be accommodated, dust and dust can be prevented from adhering to the wiring cords.

According to a fifth aspect of the present invention, in the embroidery frame transfer device according to the fourth aspect of the present invention, the wiring cord extending from the Y-direction frame main body is guided into the case along an auxiliary frame inserted through a slit in an upper wall of the case. It is characterized by having such a configuration. The wiring cord extending from the Y-direction frame main body that moves in the X direction can be reliably guided into the case using the slit in the upper wall of the case along the auxiliary frame inserted through the slit. Adhesion of dust can be prevented as much as possible.

According to a sixth aspect of the present invention, in the embroidery frame transfer device according to the fifth aspect of the present invention, a cord extending from an electric motor provided on the Y-direction frame main body and driving a carriage in the Y-direction is inserted through a slit in a side wall of the case. The guide is configured to be guided into the case along the auxiliary frame. The cord extending from the electric motor of the Y-direction frame main body that moves in the X direction can be reliably guided into the case along the auxiliary frame that passes through the slit by using the slit in the side wall of the case, and the dust and Adhesion of dust can be prevented as much as possible.

The embroidery frame transfer device according to the seventh aspect is characterized in that:
6. The invention according to claim 6, wherein the case is configured to be detachable from the bed portion of the sewing machine such that the X direction is the length direction of the bed portion. The case can be mounted on the bed of the sewing machine, and the embroidery frame can be transferred in the X direction and the Y direction to form a embroidery pattern by sewing the work cloth attached to the embroidery frame by the sewing mechanism of the sewing machine. .

An embroidery frame transfer device according to claim 8 is characterized in that:
A carriage capable of attaching and detaching the connecting portion of the embroidery frame, a Y-direction transfer mechanism for moving the carriage back and forth in the Y-direction, and a carriage provided below the Y-direction transfer mechanism and intersecting the carriage at right angles to the Y-direction. An embroidery frame transfer device having an X-direction transfer mechanism for moving the X-direction transfer mechanism to the left and right in the X direction. A movable case accommodating the directional transfer mechanism, wherein a Y-direction motor of the Y-direction transfer mechanism is disposed on a portion of the movable case that protrudes to both sides of the case, with a smaller amount of protrusion. It is.

The movable case, which is disposed above the case accommodating the X-direction transfer mechanism and accommodates the Y-direction transfer mechanism, moves in the X direction together with the carriage and the Y-direction transfer mechanism.
The movable case extends to both sides of the case in the Y direction, and a Y-direction motor of a Y-direction transfer mechanism is provided in a portion of the extended portion having a smaller amount of extension. By disposing the Y-direction motor inside the movable case, it is not necessary to form a slit through which the output shaft of the Y-direction motor is inserted, so that the structure of the case is simplified, and dust and dirt are kept inside the case. It becomes difficult to enter. Further, since the output shaft of the Y-direction motor is not exposed to the outside, there is no fear that the output shaft is entangled with a thread.

The carriage can move largely to the portion of the movable case that protrudes to both sides of the case, the larger the amount of overhang. At this time, since the Y-direction motor is disposed in the smaller amount of overhang, the embroidery can be performed. The weight of the carriage and the embroidery frame can be prevented by preventing the overall center of gravity of the carriage with the frame (work cloth) and the Y-direction transfer mechanism from being excessively biased toward the longitudinal end of the lock member. It can be moved in a stable posture without rattling.

According to a ninth aspect of the present invention, in the embroidery frame transfer device according to the eighth aspect, a rear end portion of the movable case in the Y direction is larger than a front end portion of the movable case in the Y direction. A directional motor is provided. In other words, the movable case can be prevented from protruding too far forward, and the carriage can be moved farther rearward than forward, so that the operator working from the front side of the embroidery frame transfer device is prevented as much as possible. Can be prevented.

[0029]

Embodiments of the present invention will be described below with reference to the drawings. This embodiment is an example in which the present invention is applied to an embroidery frame transfer device that transfers an embroidery frame to which a work cloth is attached in order to form an embroidery pattern by sewing the work cloth with a sewing machine. Note that the front, rear, left and right in FIG.

First, the sewing machine M will be briefly described.
As shown in FIG. 1, the sewing machine M has a bed 1, a pillar 2, an arm 3, and a head 4, and the embroidery frame transfer device 10 is detachably mounted on the bed 1. A needle bar 5 and a presser bar 7 are supported by the head unit 4 so as to be vertically movable. A sewing needle 6 is mounted on a lower end of the needle bar 5, and a embroidery presser 8 for embroidery is mounted on a lower end of the presser bar 7. . A thread catcher (not shown) composed of a rotary hook is provided inside the bed portion 1, and the thread catcher and the sewing needle 6 cooperate with each other to entangle the upper thread and the lower thread to form a seam on the work cloth. .

Although not shown, the sewing machine M is provided with a sewing machine motor, a needle bar driving mechanism for driving the needle bar 5, a balance, a balance driving mechanism for driving the balance, a shuttle driving mechanism for driving the rotary hook, and the like. ing. These driving mechanisms are configured, for example, to transmit the driving force of the sewing machine motor to the needle bar 5, the balance, and the rotary hook to drive them.

The embroidery frame transfer device 10 will be described. As shown in FIGS. 1 to 8, the embroidery frame transfer device 10 includes a carriage 12 to which an embroidery frame 11, a connecting portion 21 of the embroidery frame 11 can be attached and detached, and a carriage 12 in the front-rear direction (Y ), A Y-direction transfer mechanism 13 that is disposed below the Y-direction transfer mechanism 13
In addition, an X-direction transfer mechanism 14 that moves the carriage 12 in the left-right direction (X direction), which is the length direction of the bed 1, is provided.

The embroidery frame transfer device 10 includes a case 15 having a smooth upper surface, and a movable case 16 which is disposed above the case 15 and which is elongated in the front-rear direction and has both front and rear ends projecting to the front and rear sides of the case 15. Have.

The case 15 includes an upper case 15a and a lower case 1
5b (see FIGS. 2 to 7).
An X-direction transfer mechanism 14 is housed in the housing 15, and a large part of the Y-direction transfer mechanism 13 and the carriage 12 are arranged above the case 15. The movable case 16 is configured such that a rear end portion of the movable case 16 is larger than a front end portion of the movable case 16.
Is partially housed. The case 15 is mounted on the bed 1, and in this state, the upper surface of the case 15 is at the same height as the upper surface (bed surface) of the bed 1.

As shown in FIGS. 2, 9 to 11, the embroidery frame 11 has a cloth mounting frame section 20 for attaching a work cloth and a connecting section 21 connected to the carriage 12. A plurality of types of embroidery frames 11 having different sizes and shapes of the cloth mounting frame portion 20 are detachably provided on the cloth mounting frame portion 20. However, these embroidery frames 11 will be described with the same reference numerals. For example, FIGS. 2 and 9 show that the cloth mounting frame portion 20 is approximately 160 ×
The embroidery frame 11 of 260 (length in the left-right direction [mm] × length in the front-rear direction [mm]), FIG. 10 shows the embroidery frame 11 in which the cloth mounting frame portion 20 is approximately 100 × 100, and FIG. Embroidery frame 11 of about 60 × 40
It is.

The connecting portions 21 of the plurality of types of embroidery frames 11 have substantially the same structure. When the carriage 12 is at the home position, the center of the cloth mounting frame portion 20 of the embroidery frame 11 mounted on the carriage 12 is fixed. For example, the embroidery frame 1 as shown in FIGS.
In No. 1, the cloth mounting frame 20 and the connecting portion 21 are connected via connecting portions 22 having various lengths in the left-right direction. Cloth mounting frame 2
No. 0 has an outer frame 20a, an inner frame 20b, and a tightening mechanism 20c. A work cloth is sandwiched between the outer frame 20a and the inner frame 20b, and the outer frame 20a is tightened to the inner frame 20b by the tightening mechanism 20c. Attach.

The connection portion 21 of the embroidery frame 11 has a detection target 2 which can be detected by the detection switch 56 on the carriage 12 side.
3 are provided. The detection switch 56 is the carriage 1
On the two sides, three are arranged in the front-rear direction, and a maximum of three detected parts 23 are arranged in the connecting part 21 of the embroidery frame 11 in front and rear in correspondence with these detection switches 56, and the front position, the rear position, and the Can be provided at an intermediate position between
One to three detected parts 23 are arranged in a unique arrangement pattern for each type of the embroidery frame 11.

Of the front position, the intermediate position and the rear position, for example, the embroidery frame 11 shown in FIG. 9 is provided with two detected parts 23 at the front position and the intermediate position.
1 is provided with one detected part 23 at the front position, and the embroidery frame 11 of FIG.
Is provided.

As shown in FIGS. 9, 12 to 14, the carriage 12 is mounted on the Y-direction frame 6 of the Y-direction transfer mechanism 13.
The embroidery frame 11 is attached to the guided member 25 guided by the embroidery frame 11 and is connected to the right end of the guided member 25. The mounting base 26 has an upright wall 27 and a projecting portion 28 that projects rightward from the lower end of the upright wall 27. The upright wall 27 is connected via an adjustment mechanism 110 (see FIGS. 20 and 21) described later. It is connected to the guided member 25.

The carriage 12 has an engaging groove 31 of an engaging mechanism 30 for slidingly connecting the connecting portion 21 of the embroidery frame 11 in the front-rear direction and removably engaging the frame. A lock mechanism 40 for releasably locking the connecting portion 21 of the embroidery frame 11 engaged with the mounting position to the carriage 12.
Is provided.

As shown in FIGS. 12 to 14, the engagement mechanism 3
Reference numeral 0 denotes an engagement groove 31 formed in the overhanging portion 28 of the mounting base 26 of the carriage 12 from the upper side and extending in the front-rear direction.
It has an engagement portion 32 formed in the lower end portion of one of the connection portions 21 and extending in the front-rear direction. The engagement portion 32 is configured to slidably engage with the engagement groove 31. The length of the engaging portion 32 is substantially the same as or slightly shorter than the length of the engaging groove 31, and when the engaging portions 32 are engaged with the engaging groove 31 and their center positions in the length direction substantially match, the embroidery frame is formed. 11 is mounted on the frame mounting position.

In this engagement mechanism 30, for example, the engagement groove 3
By fitting and fixing a block member or the like to the rear end of the embroidery frame 1, the embroidery frame 11 can be engaged only with the carriage 12 from the front side. The embroidery frame 11 can be disengaged only from the carriage 12 forward. The upper surface of the overhang portion 28 of the carriage 12 other than the engagement groove 31 is formed as a smooth surface, and engages with the upper surface of the overhang portion 28 on the left side of the engagement groove 31 via the engagement mechanism 30. The contact portion 21a on the left end of the connecting portion 21 is slidably contacted. In this state, the connecting portion 21 is moved by the lock member 41 of the lock mechanism 40 described in detail below. 28.

As shown in FIGS. 12 to 16, the lock mechanism 40 is provided with a pressing position (detection position) in FIG. 12 for pressing the connecting portion 21 of the embroidery frame 11 against the carriage 12 and a releasing position in FIG. 15 for releasing the pressing. A lock member 41 (movable member) supported by the carriage 12 so as to be movable in the left-right direction so that the position can be switched over (retreat position), and an urging force for urging the lock member 41 to the pressing position (rightward). A pair of compression coil springs 42 are provided as members at positions corresponding to the vicinity of both ends in the length direction (front and rear) of the lock member 41.

The length of the lock member 41 in the front-rear direction is slightly shorter than the length of the mount 26 of the carriage 12 in the front-rear direction.
It is arranged above the overhang portion 28. A pair of sliding portions 43 are provided at the lower portion near both ends in the length direction of the lock member 41, and these sliding portions 43 slide on the sliding portions 24 of the connecting portion 21 of the embroidery frame 11 at the frame mounting position. Connecting part 2
Press 1 down. Each of the pair of sliding portions 43 is formed on the sliding portion 24 of the embroidery frame 11, that is, on a protrusion protruding downward, and the lower surface thereof is positioned to the right with respect to the moving direction (left-right direction) of the lock member 41. It is formed in a tapered shape inclined upward.

The embroidery frame 11 of the front sliding portion (projection) 43
A pair of tapered guides 44 are formed at both ends in the front-rear direction, which is the mounting direction of the tapered guide 44, such that the tapered guides 44 are inclined upward so as to be separated from the sliding part 43 back and forth. The sliding portion 43 is formed in a tapered shape inclined upward toward the right side in the left-right direction and connected to the same tapered lower surface of the sliding portion 43. Here, the upper surface of the sliding portion 24 of the connecting portion 21 of the embroidery frame 11 is
3 is formed in a tapered shape which is inclined upward toward the right side with respect to the left-right direction so as to be engaged in surface contact.

In order to movably guide the lock member 41 of the lock mechanism 40 between the pressing position and the release position, first and second guide shafts 45 and 46 are provided.
The first and second guide shafts 45 and 48 are inserted into the guide holes 47 and 48 of the lock member 41, respectively. The second guide shaft 46 and its guide hole 48 allow minute movement of the lock member 41 in the left-right direction and are within a plane including the axis of the first and second guide shafts 45 and 46. Is configured to allow the lock member 41 to tilt.

A pair of first guide shafts 45 are provided at positions corresponding to the vicinity of both ends in the longitudinal direction of the lock member 41, and a second guide shaft 46 is provided at an intermediate position between the first guide shafts 45. The guide shafts 45 and 46 have their left ends fixed to the upright wall 27 of the mount 25 of the carriage 25 and extend rightward and pass through the guide holes 47 and 48. The pair of compression coil springs 42 are provided on a pair of first guide shafts 45 between the upright wall portion 27 and the lock member 41, respectively.
The urging force of the compression coil spring 42 on the rear side of the urging force is made stronger.

As shown in FIGS. 13 and 14, the guide hole 47 through which the first guide shaft 45 is inserted is a small oval hole elongated in the left-right direction, and the guide hole 48 through which the second guide shaft 46 is inserted is
The oval hole is elongated in the vertical direction (the direction orthogonal to the axial direction of the guide shaft 46 and the direction perpendicular to the sliding direction of the connecting portion 21 of the embroidery frame 11). A locking ring is provided at the right end of the pair of first guide shafts 45 on the right side of the pair of guide holes 47 so that the lock member 41 urged rightward by the compression coil spring 42 does not come off the guide shafts 45 and 46. 45a is fitted in an external fitting shape.

As shown in FIG. 9 to FIG.
There is provided a positioning mechanism 50 for positioning the embroidery frame 11 engaged through the frame at the frame mounting position. The positioning mechanism 50 includes a protrusion 51 provided on the lock member 41.
And a concave groove 52 provided on the embroidery frame 11 and capable of engaging and disengaging the protrusion 51. The protruding portion 50 is formed at the right end of the center of the lock member 41 in the longitudinal direction, the concave groove 52 is formed at the longitudinal center of the connecting portion 21 of the connecting portion 21 of the embroidery frame 11, and the protruding portion 51 is formed as a concave groove. The embroidery frame 11 is locked so as not to be slidable by engaging with 52 and is positioned at the frame mounting position.

As shown in FIGS. 9 to 11, when the embroidery frame 11 is mounted at the frame mounting position of the carriage 12 via the engaging mechanism 30, the guide for guiding the lock member 41 to switch to the release position. The part 55 is provided on the embroidery frame 11. The guide portion 55 is formed in the connecting portion 21 of the embroidery frame 11 from the center in the longitudinal direction of the connecting portion 21 to the rear half thereof, and the linear guide portion 55a at the front portion in the longitudinal direction is provided.
And a curved guide portion 55b which is located at the rear portion in the longitudinal direction and which curves gently rightward from the rear end of the linear guide portion 55a. The front left end of the guide portion 55 is connected to the left rear end of the groove 52. ing.

As shown in FIG. 9 to FIG.
1, three detection switches 56 for detecting the detected portion 23 of the embroidery frame 11 are arranged in the front-rear direction.
Is provided so as to be deviated rearward with respect to the substantially central position in the length direction, and the detection switch 56 can detect the detected portion 23 of the embroidery frame 11 only when the lock member 41 is switched to the pressed position. It is configured in. Each detection switch 56
Is an on / off switch having a detection lever 56a capable of contacting the detected portion 23. The detected portion 23 is formed of a protruding portion projecting to the detection lever 56a side, that is, the left side. The first to third detected portions 23 are arranged in a unique arrangement pattern for each type of the embroidery frame 11.

The size of the cloth mounting frame portion 20 shown in FIG.
Assuming that the embroidery frame 11 of × 100 is the most frequently used embroidery frame 11, the most frequently used embroidery frame 11 is located on the upstream side (positioned at the forefront) when entering the embroidery frame at the time of mounting. One detected part 23 corresponding to the detection switch 56 is provided. The provision of the three detection switches 56 makes it possible to detect whether or not the embroidery frame 11 is mounted and to detect seven types of embroidery frames 11 to be mounted.

The lock member 41 is fixedly provided with a long and narrow substrate 57 in the front-rear direction. Three detection switches 56 are fixed and electrically connected to the substrate 57. The board 57 is provided with a connector 58 for electrically connecting the wiring of the board 57.
8, a common wiring code 105 (see FIGS. 9 and 12) including the wiring of each detection switch 56 extends.

Here, the attachment and detachment of the embroidery frame 11 to and from the carriage 12 will be described. As shown in FIG. 16, when the embroidery frame 11 is not mounted on the carriage 12, the lock member 41 urged rightward by the compression coil spring 42.
Is locked to the retaining ring 45a and located at the right limit position. From this state, the projecting portion 2 of the carriage 12
The engaging portion 32 of the connecting portion 21 is engaged with the engaging groove 31 so that the connecting portion 21 of the embroidery frame 11 is inserted from the front side between the lock member 41 and the lock member 41, and the connecting portion 21 is slid backward. .

At this time, the front end of the guide portion 55 of the connecting portion 21 is connected to the protrusion 5 of the lock member 41 located at the right limit position.
1 is located on the right side of the right end, the guide portion 55 moving backward does not collide with the protruding portion 51, and the curved guide portion 55b engages with the protruding portion 51 to push the protruding portion 51 to the left. Then, the lock member 41 is switched to the release position, and the linear guide portion 55a engages with the protrusion 51 to hold the lock member 41 at the release position. At this time, the lock member 41 smoothly switches to the release position while tilting in a plane including the axis of the first and second guide shafts 45 and 46.

The front end of the guide portion 55 of the connecting portion 21 is connected to the protrusion 51 of the lock member 41 located at the right limit position.
Even if it is located on the left side of the right end of
The guide portion 55 can be directly engaged with the lock member 41 so as to push the lock member 41 to the left so that the guide member 55 can be engaged with the protruding portion 51 so as to be located on the right side of the right end of 1. . Also in this case, the first and second guide shafts 45, 46
It smoothly moves to the left while tilting in the plane including the axis of.

With the projecting portion 51 engaged with the guide portion 55 and the lock member 41 switched to the release position, the connecting portion 21
The embroidery frame 11 is further slid backward, and the embroidery frame 11 reaches the frame mounting position so that the positions of the protrusion 51 and the groove 52 in the front-rear direction match. Then, the lock member 41 moves rightward by the urging force of the compression coil spring 42, the projection 51 engages with the concave groove 52, and the pair of sliding portions 43 of the lock member 41 The connecting portion 21 is pressed against the carriage 12 and locked by slidingly engaging with the pair of sliding portions 24.

In a state in which the worker manually switches the lock member 41 to the release position, the operator attaches the connecting portion 21 of the embroidery frame 11 to the frame mounting position, and then releases the hand from the lock member 41.
Of course, it is also possible to perform the procedure by locking the connecting portion 21 with the lock member 41. When removing the embroidery frame 11 from the carriage 12, as shown in FIG. 15, the operator manually switches the lock member 41 to the release position to release the engagement between the protrusion 51 and the concave groove 52, The embroidery frame 11 is slid forward and removed.

As shown in FIGS. 8, 17 to 19, the Y-direction transfer mechanism 13 guides and supports the carriage 12 so as to be movable in the front-rear direction, and is mounted on the Y-direction frame 60. It has a Y-direction drive system 70 for driving the carriage 12 in the front-rear direction.

The Y-direction frame 60 has a long Y in the front-rear direction.
It has a direction frame main body 61 and an auxiliary frame 62 disposed below and fixed to the Y-direction frame main body 61 at both front and rear ends. The lower part of the auxiliary frame 62 is housed in the case 15, The upper part of the auxiliary frame 62 and the Y-direction frame main body 60 are provided. The Y-direction frame main body 60 is provided with a guide shaft 63 long in the front-rear direction for guiding the carriage 12 in the front-rear direction, and a guide member 64 at a position separated from the guide shaft 63 in the left-right direction.

The guide shaft 63 is disposed on the right side of the Y-direction frame main body 61. Both ends of the guide shaft 63 are fixed to the front and rear side walls of the Y-direction frame main body 61. Is fixed to the bottom of the Y-direction frame main body 61, rises upward, and bends to the left. The guided member 25 of the carriage 12 is slidably fitted on the guide shaft 63, and the U-shaped engaging portion 25a on the left end of the guided member 25 is slidably slidable on the upper end of the guide member 64 from the left. Is engaged.

The Y-direction drive system 70 includes a Y-direction electric motor 7
1, a drive gear 72, a large diameter gear 73, a pair of pulleys 74,
75, a timing belt 76 for transmitting the driving force of the Y-direction electric motor 71 to the carriage 12 to drive the carriage 12 in the front-rear direction. The Y-direction electric motor 71 is
Of the front and rear end portions of the movable case 16 that protrude to the front and rear sides of the case 15, the front end portion is disposed on the smaller one of the front and rear end portions, that is, the front end portion is fixed to the bottom of the Y-direction frame main body 61 so as to face upward. A drive gear 72 is fixed to an output shaft of a Y-direction electric motor 71 inserted above the bottom.

A large-diameter gear 73 and a pulley 74, which are coaxially fixed, are rotatably supported at the front of the Y-direction frame main body 61, and a driving gear 72 meshes with the large-diameter gear 73. A pulley 75 is rotatably supported at the rear of the Y-direction frame main body 61, and an endless timing belt 76 is mounted on these pulleys 74, 75. The timing belt 76 is disposed between the guide shaft 63 and the guide member 64,
A part thereof is connected to the carriage 12.

The X-direction transfer mechanism 14 is provided with the Y-direction frame 6.
0, and an X-direction frame 80 that guides and supports the Y-direction frame 60 movably in the left-right direction, and an X-direction drive mounted on the X-direction frame 80 to drive the Y-direction frame 60 in the left-right direction. It has a system 90. The X-direction frame 80 is provided with a guide shaft 81 long in the left-right direction for guiding the Y-direction frame 60 in the left-right direction, and a guide member 82 (guide portion) at a position separated from the guide shaft 81 in the front-rear direction. I have.

The guide shaft 81 is disposed at the rear of the X-direction frame 80, and both ends of the guide shaft 81 are
The guide member 82 is disposed at the front of the X-direction frame 80, is fixed to the front side wall of the X-direction frame 80, and extends forward. Y direction frame 60
A pair of guided parts 83 guided by a guide shaft 81 are slidably engaged with the guide member 82 from the front side at a position separated from the guided parts 83 in the front-rear direction. A U-shaped engagement portion 84 is provided which is guided as a guide. The pair of guided portions 83 are provided at positions separated from each other to some extent in the left-right direction.

The X-direction drive system 90 includes the X-direction electric motor 9.
1, a drive gear 92, a large diameter gear 93, a pair of pulleys 94,
95, a timing belt 96 for transmitting the driving force of the X-direction electric motor 91 to the auxiliary frame 62 to drive the Y-direction frame 60 in the left-right direction. X direction electric motor 9
1 is fixed to the lower right surface of the bottom of the X-direction frame 80 facing upward, and a drive gear 92 is fixed to an output shaft of an X-direction electric motor 91 inserted above the bottom.

A large-diameter gear 93 and a pulley 94 fixed coaxially are rotatably supported on the right side of the X-direction frame 80, and a driving gear 92 meshes with the large-diameter gear 93.
A pulley 95 is rotatably supported on the left side of the X-direction frame 80, and an endless timing belt 96 is mounted on the pulleys 94 and 95. Timing belt 96
Is disposed between the guide shaft 81 and the guide member 82, and a part thereof is connected to the auxiliary frame 62.

As shown in FIGS. 8, 17 and 18, the auxiliary frame 62 of the Y-direction frame 60 stands upright from the front and rear ends of the base portion 62a having a substantially inverted triangular shape in plan view. Rising part 62 integrally formed so as to rise
b, 62c, and are formed in a concave shape when viewed from the side.

As shown in FIGS. 1, 17, and 18, a pair of slits 10 long in the left-right direction are formed on the upper wall and the side wall of the case 15.
0,101 are formed, and the base portion 62 of the auxiliary frame is formed.
The front end portion a slidably inserts the slit 100, and the rising portion 62c slidably inserts the slit 101. As described above, since the slits 100 and 101 are formed in the upper wall and the side wall of the case 15, it is possible to prevent dust and dust such as lint and cloth waste from entering the case 15 as much as possible.
The upper ends of the rising portions 62b and 62c are connected to the Y-direction frame main body 61, a pair of guided portions 83 are provided below the rear portion of the base portion 62a, and an engaging portion 84 is provided below the front portion. I have.

As shown in FIGS. 8 and 12, the most part of the wiring cord 105 extending from the detection switch 56 into the case 15 is supported at the left end of the Y-direction frame main body 61 of the Y-direction frame 60 so as to extend in the front-rear direction. A cord support portion 106 is provided which is long in the front-rear direction for guiding along the cord support portion.
Has a bottom wall 106a and a side wall 106b rising from the left side of the bottom wall 106a, supporting the wiring cord 105 on the bottom wall 106a, and supporting the wiring cord 105 supported on the bottom wall 106a along the side wall 106b in the front-rear direction. It guides and prevents falling off from the bottom wall 106a.

As shown in FIGS. 8, 9 and 12, the wiring cord 105 is a flexible band-shaped cord. The wiring cord 105 extending from the connector 58 of the board 57 is connected to the carriage 12 in the movable case 16. Is guided to the guide member 64 of the Y-direction frame main body 61, from which it is vertically supported by the bottom wall 106a. The wiring cord 105 that has left the carriage 12 is supported by the bottom wall 106a and, for example, first extends rearward along the guide member 64 and then makes a U-turn to extend forward along the side wall 106b.

The wiring cord 105 guided to the upper position of the slit 100 on the upper wall of the case 15 turns downward, and the wiring cord 105 extending from the Y-direction frame main body 61 is connected to the upper wall of the case 15. Slit 100
Are guided into the case 15 along the auxiliary frame 62 through which the light is inserted. Although not shown, a cord extending from a Y-direction electric motor 71 that is provided on the Y-direction frame main body 61 and drives the carriage 12 in the front-rear direction is extended along an auxiliary frame 62 that passes through a slit 101 in a side wall of the case 15. To be guided into the case 15.

As shown in FIG. 7, a connector 109 is provided at the right end of the case 17. The connector 109 has the wiring cord 105, a cord extending from the Y-direction electric motor 71, and a cord extending from the X-direction electric motor 91. When the connection is made and the case 15 is mounted on the bed 1, the connector
109 is a connector (not shown) provided at the left end of the bed 1
The cord is electrically connected to a control device and a power supply of the sewing machine M.

As shown in FIGS. 20 and 21, an adjusting mechanism 110 for adjusting the height position of the mounting base 26 with respect to the guided member 25 of the carriage 12 is provided. The adjusting mechanism 110 has an elongated hole 111 elongated in the height direction formed in the upright wall portion 27 of the mounting base 26, and a screw that is inserted through the elongated hole 111 to fasten the guided member 25 and the mounting base 26 in a releasable manner. It has a member 112.

In a state where the screw member 112 is loosened to release the fastening between the guided member 25 and the mounting base 26, the mounting base 26 is moved up and down while the screw member 112 is guided with respect to the elongated hole 111 to adjust the height. Can adjust the height position after screw member
The height of the embroidery frame 11 can be fixed by fastening the guide member 25 and the mounting base 26 by tightening 112.

As shown in FIGS. 18, 19, 22, and 23, the height position of the portion of the Y-direction frame 60 that is supported via the guide member 82 is adjusted so that the Y-direction frame 60 Is provided around the guide shaft 81. This second adjustment mechanism 115
A plurality of long holes elongated in the height direction formed in the guide member 82
116, and a plurality of screw members 117 which are inserted into these elongated holes 116 to fasten the X-direction frame 80 and the guide member 82 in a releasable manner.

In a state where the plurality of screw members 117 are loosened and the fastening between the X-direction frame 80 and the guide member 82 is released,
6 while guiding the screw member 117 to the guide member 82.
The posture of the carriage 12, that is, the embroidery frame 11 can be adjusted by moving the Y-direction frame 60 up and down integrally with the X-direction frame 80 and the guide member 82 by tightening the screw member 117 after the posture adjustment. 11 postures can be fixed.

The operation and effect of the embroidery frame transfer device 10 will be described. The lock mechanism 40 includes a lock member 41 movably supported by the carriage 12 over a pressing position for pressing the connecting portion 21 of the embroidery frame 11 against the carriage 12 and a release position for releasing the pressing. And a compression coil spring 42 for urging the sliding portion 43 of the lock member 41 downwardly on the sliding portion 24 side of the connecting portion 21 in the lock mechanism 40.
4 and 43 are formed in a tapered shape inclined with respect to the moving direction of the lock member 41.

Accordingly, even if the biasing force of the compression coil spring 42 is set to a relatively weak biasing force, the biasing force is transmitted from the sliding portion 43 of the lock member 41 to the sliding portion 24 of the connecting portion 21 by being boosted. Therefore, the connecting portion 21 of the embroidery frame 11 engaged via the engaging mechanism 30 is strongly pressed against the carriage 12 by the lock member 41 and can be securely locked.

That is, since the sliding portions 24 and 43 are tapered, the urging force of the compression coil spring 42 is
Is transmitted to the connecting portion 21 in two directions, downward and rightward, via the sliding portion 43, and the connecting portion 21 is strongly pressed by the carriage 12. In particular, the urging force of the compression coil spring 42 can be transmitted from the sliding portion 43 of the lock member 41 to the sliding portion 24 of the connecting portion 21 in the two directions.
1 is pressed against the inner surface of the engagement groove 32 of the carriage 12 by the force in the two directions,
Thus, even if the biasing force of the compression coil spring 42 is set to a relatively weak biasing force, the connecting portion 21 can be strongly locked to the carriage 12.

Therefore, the operator can move the lock member 41 to the release position by operating the lock member 41 with a relatively small force, and can perform the attaching / detaching operation of the embroidery frame 11 with the lock member 41 moved to the release position. It can be easily performed. In particular,
The sliding part 43 is placed near both ends in the length direction of the lock member 41.
Since the pair is provided, the pair of sliding portions 43 of the lock member 41 is securely brought into contact with the sliding portion 24 of the connecting portion 21 so that the connecting portion 21
Can be reliably pressed against the carriage 12 and locked.

The sliding portion 43 which is a projection of the lock member 41
The taper guide portions 44 are formed at both ends in the front-rear direction of the embroidery frame. Therefore, when the lock member 41 is located in the direction opposite to the release position from the pressed position in a state where the embroidery frame 11 is not mounted on the carriage 12, When mounting the embroidery frame 11 on the carriage 12, the connecting portion 21 of the embroidery frame 11 is guided by the tapered guide portion 44, so that the connecting portion 21 can be prevented from being caught on the sliding portion 43, and the lock member 41 is directly operated. The embroidery frame 11 to the carriage 1 without switching to the release position.
2 can be attached.

The lock mechanism 40 is provided on the carriage 12 and inserted through the guide holes 47 and 48 of the lock member 41 to guide the lock member 41 movably between the pressing position and the releasing position. Having axes 45 and 46,
The first guide shaft 45 and its guide hole 47 allow the lock member 41 to move minutely in the left and right direction, and the second guide shaft 46 and its guide hole 48 allow the lock member 4 to move in the left and right direction.
1 and the first and second guide shafts 45 and 4
The lock member 41 is configured to be allowed to tilt in a plane including the axis of No. 6.

Accordingly, when the lock member 41 moves between the pressed position and the release position via the first and second guide shafts 45 and 46, the lock member 41 is moved to the first and second guide shafts 4 and 46.
5 and 46, the guide shaft 45,
There is no danger of being twisted with respect to 46, and there is no danger of being locked immovably. That is, the lock member 41 can be smoothly and reliably switched between the pressing position and the releasing position, and the processing accuracy of the guide holes 47 and 48 and the assembly accuracy of the guide shafts 45 and 46 in the left-right direction are reduced. Can be.

A guide hole 48 through which the second guide shaft 46 is inserted.
Is a small oval hole vertically elongated perpendicular to the axial direction of the second guide shaft 46 and orthogonal to the sliding direction of the connecting portion 21, so that the first guide shaft 45 is inserted through the guide hole 47. Therefore, the second guide shaft 46 can be easily inserted into the guide hole 48 so that the machining accuracy of the guide holes 47 and 48 and the assembly accuracy of the guide shafts 45 and 46 can be reduced.

The detection portion 23 is provided on the connecting portion 21 of the embroidery frame 11 and the detection switch 56 for detecting the detection portion 23 is provided on the lock member 41, and the detection is performed only when the lock member 41 is switched to the pressed position. The detected portion 23 of the embroidery frame 11 can be detected by the switch 56. Therefore, when the embroidery frame 11 is attached / detached, the detection switch 56 hardly comes into contact with the corresponding detected portion 23 of the embroidery frame 11 or other portions, and the embroidery frame 11 is smoothly attached / detached. The durability of the switch 56 can be improved by preventing the switch 56 from deteriorating.

In addition, when the embroidery frame 11 is attached and detached, the lock member 41 is held at the release position, and when the embroidery frame 11 is mounted at the frame mounting position, the lock member 41 is switched to the pressing position. Thus, the detected portion 23 of the embroidery frame 11 mounted on the carriage 12 can be reliably detected without erroneous detection. Since three detection switches 56 are provided on the carriage 12 in the front-rear direction, and one to three detected parts 23 corresponding to one to three detection switches 56 are provided at the connection part 21 of the embroidery frame 11. The detected portions 23 are arranged in a unique arrangement pattern for each type of the embroidery frame 11, and the carriage 12
Can be detected.

Since one detected part 23 corresponding to the detection switch 56 located on the upstream side when entering the embroidery frame when the embroidery frame is mounted is provided in the frequently used embroidery frame 11, the frequently used embroidery frame 11 is provided. When attaching / detaching to / from the carriage 12, the remaining detection switches 56 other than the one detection switch 56
Since no contact is made with the one to-be-detected portion 23, deterioration of the remaining detection switches 56 can be more reliably prevented, and durability can be improved.

The three detection switches 56 are
Is provided so as to be deviated rearward with respect to the center position in the length direction, and the rear compression coil spring 42 is made stronger than the urging force of the front compression coil spring 42, so that the lock member 41 is switched to the pressing position. As a result, the detected portion 23 of the embroidery frame 11 can be reliably detected, and the lock member 41 is urged to the pressed position by the pair of compression coil springs 42 in a substantially balanced state to connect the embroidery frame 11. The section 21 can be stably locked to the carriage 12.

That is, if the three detection switches 56 are provided so as to be deviated rearward with respect to the center of the length of the lock member 41 in the longitudinal direction, the detection switches 56 are released when the detection section 23 of the embroidery frame 11 is detected. Upon receiving a detection load in the position direction, the force acts on the locking member 41 rearwardly with respect to the longitudinal center thereof. Therefore, by making the rear compression coil spring 42 stronger than the urging force of the front compression coil spring 42, the lock member 41 is urged to the pressed position in a substantially balanced state, and the embroidery frame 11 can be stably and securely locked to the carriage 12. That is, 3
The two detection switches 56 can be provided without any problem in a state where the detection switches 56 are biased with respect to the longitudinal center of the lock member 41.

The protrusion 51 provided on the lock member 41
A positioning mechanism 50 that is provided on the embroidery frame 11 and has a concave groove 52 in which the protrusion 51 can be engaged and disengaged, and the protrusion 51 engages the groove 52 to position the embroidery frame 11 at the frame mounting position.
In order to reliably detect the detected portion 23 with the detection switch 56, the lock member 41 is engaged with the projection 51 in the concave groove 52 and the embroidery frame 11 is positioned at the frame mounting position. It is possible to reliably switch to the pressing position.

When the embroidery frame 11 is mounted on the frame mounting position of the carriage 12 via the engagement mechanism 30, the lock member 41
Is provided on the connecting portion 21 of the embroidery frame 11 so that the lock member 41 is attached to and detached from the embroidery frame 11 in a state other than the frame mounting position. Can be reliably switched to the release position and held.

The lock member 41 has three detection switches 56.
Is provided, the wiring corresponding to the three detection switches 56 can be collectively connected to the control device or the like by the wiring code 105 via the substrate 57. Moreover,
Since the connector 57 for electrically connecting the wiring of the substrate 57 is provided on the substrate 57, the connection and separation of the wiring of the substrate 57 can be easily performed, and the assembly and the maintenance of the embroidery frame transfer device 10 can be performed easily. It becomes convenient.

A cord supporting portion 106 for supporting most of the wiring cords 105 extending from the detection switch 56 into the case 15 and guiding the wiring cords 105 in the front-rear direction is attached to the Y-direction frame main body 61.
Provided from the detection switch 56 of the carriage 12 moving in the front-rear direction, the wiring cord 10 extending into the case 12.
5 can be arranged neatly and reliably guided into the case 15, and the Y-direction frame 60 can be covered by the movable case 16 so that most of the wiring cord 105 can be accommodated in the movable case 16. It is possible to prevent dust and dust from adhering to the cord 105.

A guide shaft 81 and a guide member 82 are provided on the X-direction frame 80 at positions that are long in the left-right direction and are separated from each other in the front-rear direction.
A direction frame main body 61 and an auxiliary frame 62 disposed below the main frame 61 and fixed at both ends to the Y-direction frame main body 61. The auxiliary frame 62 includes a guided portion 83 guided by a guide shaft 81; An engaging portion 84 guided by a guide member 82 is provided at a position separated from the guided portion 83 in the Y direction.

In this manner, both ends of the auxiliary frame 62 are fixed to the Y-direction frame main body 61, and the auxiliary frame
2, the guided portion 83 and the engaging portion 84 which are separated in the front-rear direction.
Since the guide shaft 81 and the guide member 82 of the X-direction frame 80 guide and support the Y-direction frame 60 on the X-direction frame 80, the Y-direction frame 60 can be guided and supported movably in the left-right direction while being stable. The guided portion 83 and the engaging portion 84 can be provided relatively close to each other in the front-rear direction, whereby the structure of the transfer mechanisms 13 and 14 can be simplified and the manufacturing cost can be reduced.

A movable case 16 which is disposed above the case 15 and accommodates the Y-direction transfer mechanism 13 is formed so as to extend to the front and rear sides of the case 15. The Y-direction electric motor 71 is disposed at the front end portion of the front and rear end portions where the overhang amount is small. Therefore, the moving stroke of the carriage 16 in the front-rear direction can be increased, and the output shaft of the Y-direction electric motor 71 is inserted into the case 15 by disposing the Y-direction electric motor 71 inside the movable case 16. It is not necessary to form a slit, the structure of the case 15 is simplified, dust and dirt do not easily enter the case 15, and the output shaft of the Y-direction electric motor 71 is not exposed to the outside. There is no danger of the yarn getting entangled with the shaft.

When the carriage 12 largely moves rearward, the Y-direction electric motor 71 is provided at the front end of the movable case 16 where the overhang is small.
1 (working cloth) and the overall center of gravity of the Y-direction transfer mechanism 13 and the carriage 12 can be prevented from being excessively biased toward the rear side so that the weight can be balanced and the carriage 12 and the embroidery frame 11 can be stably positioned. Can be moved without rattling. Also, since the rear end portion of the movable case 16 can be made to extend farther from the case 15 than the front end portion of the movable case 16 so that the carriage 12 can be moved more rearward than frontward, the work can be performed from the front side of the embroidery frame transfer device 10. It can be prevented as much as possible from disturbing the worker who performs.

A modified embodiment of the embroidery frame transfer device 10 will be described. 1] Only one of the sliding portion 24 of the embroidery frame 11 and the sliding portion 43 of the lock member 41 may be formed in a tapered shape inclined with respect to the moving direction of the lock member 41. 2) It is possible to omit at least one tapered guide portion 44 on both left and right sides of the sliding portion 43.

3] In the engagement mechanism 30, the lock member 4
1 may be provided with an engagement groove, and the carriage 12 may be provided with an engagement portion slidably engaged with the engagement groove. 4] In the positioning mechanism 50, a protrusion may be provided on the embroidery frame 11, and a groove may be provided on the lock member 41 so that the protrusion can be disengaged.

5] It is also possible to provide two or four or more detection switches 56 on the carriage 12 and to provide one or a plurality of detected parts corresponding to the one or more detection switches 56 at the connecting portion of the embroidery frame. Good. When the number of the detection switches 56 is n, it is possible to detect (2 ⁿ -1) types of embroidery frames 11. When only the presence or absence of the embroidery frame 11 is detected, only one detection switch 56 needs to be provided. 6] In the lock mechanism 40, one or three or more first guide shafts and their guide holes may be provided.

7] In the adjusting mechanism 110, a vertically elongated hole is formed in the guided member 25, and a screw member is inserted through the elongated hole to releasably fasten the guided member 25 and the mounting table 26 to each other. You may do so. 8] In the second adjusting mechanism 115, the X-direction frame 80
The X-direction frame 80 and the guide member 82 may be releasably fastened by forming a plurality of elongated holes in the vertical direction in the vertical direction, and inserting a plurality of screw members respectively into these elongated holes.

9) The lock member 41 may be composed of a plurality of members instead of being integrated. 10] The sliding portions 43 may be provided at positions other than both ends of the lock member 41, and three or more sliding portions 43 may be provided instead of one pair.

It is to be noted that, without departing from the spirit of the present invention, it is possible to implement the present invention in a form in which various modifications other than the above-described modifications are added.

[0105]

According to the embroidery frame transfer device of the first aspect,
A transfer mechanism for independently moving the carriage in the X and Y directions orthogonal to each other is provided with a Y-direction frame for guiding and supporting the carriage so as to be movable in the Y direction, and a Y-direction frame provided below the Y-direction frame and supporting the carriage. And an X-direction frame that supports the guide so as to be movable in the direction. A guide shaft and a guide portion are provided on the X-direction frame at positions that are long in the X-direction and are separated from each other in the Y-direction. Has an auxiliary frame fixed at both ends to the frame body,
The auxiliary frame is provided with a guided portion guided by the guide shaft and an engaging portion guided by the guide portion at a position separated from the guided portion in the Y direction.

As described above, both ends of the auxiliary frame are fixed to the Y-direction frame main body of the Y-direction frame, and the guided portion and the engaging portion of the auxiliary frame separated in the Y direction are connected to the guide shaft of the X-direction frame. X to support the guide at the guide
The Y-direction frame can be supported on the X-direction frame in a stable manner so as to be movable in the X-direction, and the guided portion and the engagement portion of the auxiliary frame and the guide shaft and the guide portion of the X-direction frame are moved in the Y-direction. It can be provided relatively close, so that the structure of the transfer mechanism can be simplified and miniaturized, and the production cost can be reduced.

According to the embroidery frame transfer device of the present invention, since the pair of guided parts is provided on the auxiliary frame at positions separated from each other in the X direction, the posture of the Y direction frame is set with respect to the X direction frame. It is possible to reliably hold and support the guide so as to be movable in the X direction in a more stable state.

According to the embroidery frame transfer device of the third aspect, a case for accommodating a part of the auxiliary frame and the X-direction frame is provided, and the Y-direction frame main body and the carriage are disposed above the case. A pair of slits is formed in the wall and the side wall so that the auxiliary frame can be inserted in the X direction so that it can be moved in the X direction. I can support it.

According to the embroidery frame transfer device of the fourth aspect, a detection switch for detecting the embroidery frame mounted on the carriage is provided, and most of the wiring cords extending from the detection switch into the case are supported in the Y direction. Since the cord supporting portion for guiding along the Y-direction frame body is provided in the Y-direction frame body, the wiring cords extending into the case from the detection switch of the carriage moving in the Y direction can be arranged neatly and securely guided into the case. When the Y-direction frame is covered with the movable case, most of the wiring cord can be accommodated in the movable case, so that dust and dust can be prevented from adhering to the wiring cord.

According to the embroidery frame transfer device of the fifth aspect, the wiring cord extending from the Y-direction frame main body is guided into the case along the auxiliary frame inserted through the slit in the upper wall of the case. By utilizing the slit in the upper wall of the case, the wiring cord can be reliably guided into the case, and dust and dirt can be prevented from adhering to the wiring cord extending from the detection switch as much as possible.

According to the embroidery frame transfer device of the present invention, the cord extending from the electric motor provided on the Y-direction frame main body and driving the carriage in the Y-direction is moved along the auxiliary frame inserted through the slit in the side wall of the case. Since it is configured to be guided into the case, the cord can be reliably guided from the electric motor into the case using the slit on the side wall of the case, and dust and dust can be prevented from adhering to the cord as much as possible. .

According to the embroidery frame transfer device of the present invention, the case is configured to be detachable from the bed portion of the sewing machine so that the X direction is the length direction of the bed portion. In order to form an embroidery pattern by sewing the work cloth attached to the embroidery frame to the work cloth attached to the embroidery frame by a sewing mechanism of the sewing machine, the embroidery frame can be transferred in the X direction and the Y direction.

According to the embroidery frame transfer device of the eighth aspect, the case for accommodating the X-direction transfer mechanism, and the movable case which is disposed above the case and protrudes to both sides of the case in the Y-direction and accommodates the Y-direction transfer mechanism. A case is provided, and the Y-direction motor of the Y-direction transfer mechanism is disposed in a portion of the movable case that protrudes to both sides of the case and has a smaller amount of protrusion. By disposing the Y-direction motor inside the movable case, it is not necessary to form a slit through which the output shaft of the Y-direction motor is inserted, so that the structure of the case is simplified, and dust and dirt are kept inside the case. It becomes difficult to enter. Further, since the output shaft of the Y-direction motor is not exposed to the outside, there is no fear that the output shaft is entangled with a thread.

The carriage can move greatly to the portion of the movable case that protrudes to both sides of the case, and the Y-direction motor is disposed in the portion of the movable case having the small overhang. The weight of the carriage and the embroidery frame can be prevented by preventing the overall center of gravity of the carriage with the frame (work cloth) and the Y-direction transfer mechanism from being excessively biased toward the longitudinal end of the lock member. It can be moved in a stable posture without rattling.

According to the embroidery frame transfer device of the ninth aspect, the rear end of the movable case in the Y direction is larger than the front end of the movable case in the Y direction, and the Y direction motor is provided at the front end of the movable case in the Y direction. Therefore, the movable case can be prevented from protruding too far forward, and the carriage can be moved farther rearward than forward, so that the operator working from the front side of the embroidery frame transfer device is disturbed as much as possible. Can be prevented.

[Brief description of the drawings]

FIG. 1 is a perspective view of a sewing machine and an embroidery frame transfer device according to an embodiment of the present invention.

FIG. 2 is a plan view of the embroidery frame transfer device.

FIG. 3 is a bottom view of the embroidery frame transfer device.

FIG. 4 is a front view of the embroidery frame transfer device.

FIG. 5 is a rear view of the embroidery frame transfer device.

FIG. 6 is a left side view of the embroidery frame transfer device.

FIG. 7 is a right side view of the embroidery frame transfer device.

FIG. 8 is a plan view of a transfer mechanism of the embroidery frame transfer device.

FIG. 9 is a plan view of a part of the carriage and the embroidery frame.

FIG. 10 is a plan view of a part of a carriage and an embroidery frame.

FIG. 11 is a plan view of a part of the embroidery frame of the carriage.

FIG. 12 is a vertical sectional view of a main part of the embroidery frame transfer device as viewed from the front side.

FIG. 13 is a plan view of the carriage.

FIG. 14 is a right side view of the carriage.

FIG. 15 is a longitudinal sectional view of a main part including a carriage, as viewed from the front side.

FIG. 16 is a longitudinal sectional view of a main part including a carriage, as viewed from the front side.

FIG. 17 is a right side view of the transfer mechanism.

FIG. 18 is a left side view of the transfer mechanism.

FIG. 19 is a front view of a transfer mechanism.

FIG. 20 is a vertical sectional view of a main part including an adjustment mechanism.

FIG. 21 is a vertical sectional view of a main part including an adjustment mechanism.

FIG. 22 is a vertical sectional view of a main part including a second adjusting mechanism.

FIG. 23 is a vertical sectional view of a main part including a second adjusting mechanism.

[Explanation of symbols]

 M Sewing machine 10 Embroidery frame transfer device 11 Embroidery frame 12 Carriage 13 Y direction transfer mechanism 14 X direction transfer mechanism 15 Case 16 Movable case 23 Detected part 30 Engagement mechanism 40 Lock mechanism 41 Lock member 42 Compression coil spring 45, 46 First, Second guide shafts 47, 48 Guide holes 50 Positioning mechanism 56 Detection switch 57 Board 58 Connector 60 Y-direction frame 70 Y-direction drive system 80 X-direction frame 90 X-direction drive system 110 Adjustment mechanism 115 Second adjustment mechanism

Claims (9)

[Claims] 1. An embroidery frame transfer device comprising: an embroidery frame; a carriage capable of detachably attaching a connection portion of the embroidery frame; and a transfer mechanism for independently moving the carriage in orthogonal X and Y directions. A Y-direction frame that guides and supports the carriage so as to be movable in the Y direction, and an X-direction frame that is disposed below the Y-direction frame and guides and supports the Y-direction frame so as to be movable in the X direction. A guide shaft and a guide part are provided on the X-direction frame at positions that are long in the X-direction and are separated from each other in the Y-direction. An auxiliary frame fixed to both ends of the main body is provided. The auxiliary frame is provided with a guided portion guided by the guide shaft and a position spaced apart from the guided portion in the Y direction. An embroidery frame transfer device provided with an engagement portion guided by the guide portion. 2. The embroidery frame transfer device according to claim 1, wherein a pair of guided portions are provided on the auxiliary frame at positions separated from each other in the X direction. 3. A case for accommodating a part of the auxiliary frame and an X-direction frame is provided, and a Y-direction frame main body and a carriage are disposed above the case, and the auxiliary frame is provided on an upper wall and a side wall of the case in the X-direction. 3. The embroidery frame transfer device according to claim 1, wherein a pair of slits are formed so as to be movably inserted into the embroidery frame. 4. A cord support for providing a detection switch for detecting an embroidery frame mounted on the carriage, supporting a majority of the wiring cords extending from the detection switch into the case, and guiding the wiring cords along the Y direction. The embroidery frame transfer device according to claim 3, wherein the embroidery frame transfer device is provided on the Y-direction frame main body. 5. The wiring cord according to claim 4, wherein the wiring cord extending from the Y-direction frame main body is guided into the case along an auxiliary frame inserted through a slit in an upper wall of the case. Embroidery frame transfer device. 6. A cord extending from an electric motor provided on the Y-direction frame main body and driving the carriage in the Y-direction is guided into the case along an auxiliary frame inserted through a slit in a side wall of the case. The embroidery frame transfer device according to claim 5, wherein: 7. The embroidery according to claim 1, wherein the case is configured to be detachable from the bed portion of the sewing machine so that the X direction is the length direction of the bed portion. Frame transfer device. 8. An embroidery frame, a carriage capable of attaching and detaching a connection portion of the embroidery frame, a Y-direction transfer mechanism for moving the carriage back and forth in the Y direction, and a Y-direction transfer mechanism provided below the Y-direction transfer mechanism. An embroidery frame transfer device having an X-direction transfer mechanism for moving the carriage left and right in the X direction orthogonal to the Y direction together with the mechanism, a case accommodating the X-direction transfer mechanism, and a case disposed above the case. A movable case that extends to both sides of the case in the Y direction and accommodates the Y-direction transfer mechanism, and the Y-direction motor of the Y-direction transfer mechanism is provided with a smaller amount of extension of the movable case that extends to both sides of the case. An embroidery frame transfer device, which is provided. 9. A motor according to claim 8, wherein a rear end of the movable case in the Y direction is larger than a front end of the movable case in the Y direction, and a Y direction motor is provided at the front end of the movable case in the Y direction. An embroidery frame transfer device as described in the above.