WO2004031467A1 - Machine a coudre - Google Patents

Machine a coudre Download PDF

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Publication number
WO2004031467A1
WO2004031467A1 PCT/JP2003/012724 JP0312724W WO2004031467A1 WO 2004031467 A1 WO2004031467 A1 WO 2004031467A1 JP 0312724 W JP0312724 W JP 0312724W WO 2004031467 A1 WO2004031467 A1 WO 2004031467A1
Authority
WO
WIPO (PCT)
Prior art keywords
holding
holding frame
receiving frame
sewn
eaves
Prior art date
Application number
PCT/JP2003/012724
Other languages
English (en)
Japanese (ja)
Inventor
Ikuo Tajima
Taichi Fukushima
Original Assignee
Tokai Kogyo Mishin Kabushiki Kaisha
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tokai Kogyo Mishin Kabushiki Kaisha filed Critical Tokai Kogyo Mishin Kabushiki Kaisha
Priority to KR1020047013429A priority Critical patent/KR100596283B1/ko
Priority to JP2004541289A priority patent/JP4070214B2/ja
Publication of WO2004031467A1 publication Critical patent/WO2004031467A1/fr

Links

Classifications

    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05C—EMBROIDERING; TUFTING
    • D05C9/00—Appliances for holding or feeding the base fabric in embroidering machines
    • D05C9/02—Appliances for holding or feeding the base fabric in embroidering machines in machines with vertical needles
    • D05C9/04—Work holders, e.g. frames
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B39/00—Workpiece carriers
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2501/00—Wearing apparel
    • D10B2501/04—Outerwear; Protective garments
    • D10B2501/042—Headwear

Definitions

  • the present invention relates to a sewing machine for performing sewing such as embroidery sewing on a curved eave of a hat, and further relates to a sewing machine suitable for sewing other curved sewing objects.
  • the present invention relates to a holding frame for holding a workpiece, and further relates to a sewing machine using the holding frame.
  • the eaves of a hat are made by sandwiching a thick core made of urethane or the like, which has almost the same shape, between the front and back fabrics and sewn them.
  • An industrial sewing machine is used for the stitching.
  • the front fabric, the back fabric, and the core material are sewn to the body by a simple runninda stitch.
  • the form of the core material may be a flat plate shape or a pre-curved shape in an arc shape, but in any case, the front fabric, the back fabric, and the core material are integrated. Sewing work is performed manually by the sewing machine operator using a special attachment that is held.
  • the embroidery data of the embroidery pattern of the specified embroidery pattern is placed in a plane orthogonal to the forward and backward movement directions (up and down directions, up and down directions) of the sewing needle of the sewing machine. It is necessary to control the movement in the X_Y direction based on the However, if the core material is a flat plate, that is, if the structure composed of the front cloth, the back cloth, and the core material is a flat plate, the operation can be performed with an existing embroidery machine. There has been no sewing machine that can perform embroidery in the curved state when the structure made of the front cloth, the back cloth, and the core material is curved.
  • the present invention has been made in view of the above circumstances, and an object of the present invention is to provide a sewing machine in which sewing such as embroidery sewing can be easily performed on a curved eaves of a hat. It is intended to provide a suitable holding frame for holding the body. Furthermore, it is intended to provide a holding frame suitable for holding other curved sewn objects without being limited to a hat eaves, and a sewing machine using the same.
  • a holding frame according to the present invention is a holding frame for holding a sewn body so as to be rotatable around a hook base of a sewing machine and linearly movable in the direction of the rotation axis thereof.
  • the receiving frame portion of the holding frame is configured to hold a curved workpiece to be sewn within a range less than the entire circumference.
  • the curved sewn object to be sewn is adapted to a non-cylindrical object, and the sewn object can be securely held.
  • the sewing to be held held in the receiving frame is fixed.
  • the holding frame can be moved without any inconvenience during the sewing operation.
  • the receiving frame portion has a plurality of holding members that hold the sewn body by fitting or gripping the edges of the sewn body at predetermined positions, and each holding member includes The receiving frame is opened in the enclosed space.
  • the receiving frame portion is opened in a space surrounded by the holding members, a wide embroidery range is secured. That is, embroidery can be performed up to the periphery of the sewing object.
  • the curved sewn object to be sewn is, as a typical example, a structure of the eaves of the cap hat, and is composed of a front fabric, a back fabric, and a core material curved in a predetermined curve sandwiched therebetween.
  • desired embroidery sewing is performed on the curved eaves structure held by the holding frame. be able to.
  • This eavesdropping movement is eavesdropping
  • the sewing work for integrating the components of the eaves and the decoration work embroidery sewing, decorative sewing using special thread, etc.
  • Etc. can be performed simultaneously. Therefore, the process can be simplified.
  • the embroidery sewing on the curved eaves can be automated, so that the process can be simplified in this respect.
  • the arrangement position of the holding member in the receiving frame portion can be adjusted according to the shape of the sewing object. This makes it possible to accommodate large and different eaves.
  • the fixing means includes a lock member for locking the sewn body to the receiving frame portion, and the lock member is configured to be locked and unlocked in response to driving of the actuator. It is selectively controlled to one of the positions. This allows the eaves held in the holding frame to be locked so that they do not come off, and to release (unlock) this lock automatically by driving the actuator without human intervention. Is up.
  • the sewing machine has a drive ring rotatable around the hook base and linearly movable in the rotation axis direction, and the holding frame is detachably attached to the drive ring.
  • the holding frame is detachable from the sewing machine by performing the operation. For example, at least two holding frames are prepared, and one holding frame is set on the sewing machine. While performing embroidery sewing on the eaves, the eaves for the next embroidery sewing operation can be attached to the other holding frame removed from the sewing machine, and when the embroidery sewing is completed, remove the holding frame from the sewing machine. Since the eaves for the next embroidery sewing operation have already been installed, another holding frame can be attached to the sewing machine, and the next embroidery sewing operation can be performed immediately, increasing the efficiency.
  • the fixing means includes a lock member for locking the sewn body to the receiving frame portion, and a biasing member for urging the lock member in a direction for releasing the fixing of the sewn body to the receiving frame portion.
  • the lock locks the structure to the receiving frame
  • the lock is released by the urging force of the urging means, and the lock is released.
  • the hook member is moved in a direction of releasing the fixing of the sewing object by the urging of the urging means.
  • the lock by the lock member is released, the lock member is moved by the urging means in a direction to release the fixing of the workpiece, so that the trouble of manually operating the hook member can be eliminated, and the sewing can be performed.
  • the body can be easily fixed to and removed from the receiving frame with a single touch.
  • the fixing means includes a clamp member attached to the receiving frame portion, and the clamp member is configured to hold an edge of the workpiece set in the receiving frame portion. And the position to release the grip.
  • the sewn body is an eave structure for a hat eave.
  • the holding frame may be configured so that the eaves front portion of the eaves structure can face backward so that the eaves structure can be set in the receiving frame portion.
  • You may comprise so that the eaves front part of a structure may be made forward and the said eaves structure may be set to the said receiving frame part.
  • the receiving frame portion includes a holding member that holds at least one portion of a front edge of the set eaves structure, and holds both ends of a rear edge of the set eaves structure. It is preferable to further provide a pair of stoppers for locking each.
  • FIG. 1 is a perspective view showing a first embodiment of the present invention applied to a one-needle single-head embroidery sewing machine
  • FIG. 2 is an enlarged plan view showing a portion of the holding frame in FIG. 1,
  • FIG. 3 is an enlarged front view showing a portion of the holding frame in FIG. 1,
  • FIG. 4 is a cross-sectional view taken along the line A—A of FIG.
  • FIG. 5 is a sectional view taken along the line BB of FIG. 2, that is, a sectional view of the holding frame.
  • FIG. 6 is a perspective view of a portion of the holding frame in FIG. 1,
  • FIGS. 7A and 7B are a plan view showing the structure of the hat's eaves, FIG. 7B is a perspective view of the structure, and FIG. Partial sectional view,
  • FIG. 8 is a plan view of a holding frame showing a second embodiment of the present invention in which lock / unlock control of a lock member is manually performed
  • FIG. 9 is a side view of the second embodiment
  • FIG. 10 is a partial cross-sectional view illustrating a locked / unlocked state in the second embodiment.
  • FIG. 11 is a plan view showing a third embodiment of the present invention in which a receiving plate curved in an arc shape is inserted and arranged in a substantially cylindrical space surrounded by a holding frame. Front view of the third embodiment,
  • FIG. 13 is a plan view showing a configuration related to the receiving plate in the third embodiment. Area view,
  • Fig. 14 is a front view showing a configuration related to the receiving plate.
  • FIG. 15 is a plan view showing an example in which the present invention is applied to a multi-head sewing machine, an example in which a holding frame is detachably attached, and an example in which a drive frame body can be replaced.
  • FIG. 16 is a cross-sectional view taken along the line C-C in FIG.
  • FIG. 17 is a plan view showing a state in which the frame drive unit in FIG. 15 has been removed from the sewing machine and holding frames have been removed from each drive ring of the frame drive unit.
  • FIG. 18 is a hat eaves structure A plan view showing one embodiment of a holding frame configured to set
  • FIG. 19 is a front view of the embodiment of FIG. 18;
  • FIG. 20 is a partial front view for explaining an operation state
  • FIG. 21 is a side view showing the operating state of the embodiment of FIG. 18;
  • FIG. 22 is a side view showing another embodiment of the embodiment of FIG. 18;
  • FIG. 23 is a diagram showing a conventionally known structure of a hat eave comprising a front cloth, a back cloth, and a core material.
  • FIG. 1 is a perspective view of the entire one-needle single-head embroidery sewing machine.
  • the sewing machine arm 2 is installed on the upper surface of the sewing machine table 1.
  • the front part of the sewing machine table 1 is divided, and the front table 1a is lowered by a predetermined height.
  • a cylinder bed (hook base) 4 whose upper surface is set to be substantially the same as the height of the upper surface of the sewing machine table 1 is installed below the sewing machine arm 2.
  • a rotary hook that performs lockstitching in cooperation with a needle bar is stored inside the tip of the cylinder bed (hook base) 4, and the upper surface of the rotary hook is covered with a needle plate 9.
  • the hole 1b which is long in the center of the front table 1a, is used to allow the cylinder bed (hook base) 4 to escape when the front table 1a is set at the same height as the sewing machine table 1. belongs to.
  • One needle bar is supported on the sewing machine head 3 provided at the front end of the sewing machine arm 2 so as to be vertically movable.
  • a Y-direction driver 5 is provided on the table 1.
  • the left and right ends of the Y-direction drive unit 5 are coupled to carriers of a Y-direction drive unit (not shown) installed on the lower surface of the sewing machine table 1, respectively.
  • An X-direction drive unit is incorporated inside the Y-direction drive body 5, and an X-direction drive plate 6 (see FIG. 2) supported inside the Y-direction drive body 5 so as to be movable in the X-direction.
  • the X-direction drive module fixed to the right end It is driven to move in the X direction by driving 7 overnight.
  • a holding frame 8 for holding a curved workpiece to be sewn is attached to a substantially central lower surface of the Y-direction driving body 5.
  • the curved sewn object to be sewn is a hat eave structure V as shown in FIGS. 7 (a) and 7 (b).
  • this eave structure V has a core material curved in a predetermined curve in advance, and the core material is sandwiched between a front fabric and a back fabric, and is a perspective view of FIG. 7 (b). As shown in the figure, the whole is curved in advance into a predetermined curve.
  • the top material and the back material are overlapped, and the edges excluding the rear edge of the eaves (the portion sewn to the hat) are sewn together, and the curved core is put in a bag-shaped material.
  • the eave structure V is configured.
  • FIG. 2 is an enlarged plan view showing the holding frame 8 and FIG. 3 is a front view thereof.
  • FIG. 4 is a cross-sectional view of the holding frame 8 taken along the line A—A of FIG. 2, that is, a side view of the holding frame 8, and
  • FIG. 5 is a cross-sectional view of the holding frame 8 shown in FIG. It is shown.
  • FIG. 6 is a perspective view of the holding frame 8.
  • a pair of mounting plates 11 located on both sides of the cylinder bed (hook base) 4 are mounted on the lower surface of the Y-direction driver 5, and together with the Y-direction driver 5, Move in Y direction.
  • a support plate 12 is fixed to a front end of the mounting plate 11, and a drive ring 10 is rotatably supported on a front surface of the support plate 12.
  • a linear guide 14 is fixed to the rear surface of the support plate 12, and the linear guide 14 is slidingly fitted to a linear rail 16 fixed to the lower surface of the cylinder bed 4.
  • three rollers 15 are rotatably mounted on the front surface of the support plate 12 in a predetermined arrangement along the inner peripheral surface of the drive ring 10.
  • the inner peripheral surface of the drive ring 10 is rotatably supported by the three rollers 15.
  • a ridge 15a is provided around the outer periphery of each roller 15 and this is fitted into a groove 10a provided around the inner periphery of the drive ring 10 to form the drive ring 1a.
  • 0 is rotatable along the circumference of the ring.
  • a wire 17 is wound around the outer periphery of the drive ring 10, and both ends thereof are connected to the X-direction drive plate 6 of the X-direction drive unit via a pair of fixing members 18.
  • the drive ring 10 is driven to rotate via the wire 17 in response.
  • the holding frame 8 of the present embodiment is attached to the front end of the drive ring 10 by a plurality of ports 20. Accordingly, the holding frame 8 rotates and linearly moves in the Y direction with the rotational movement of the drive ring 10 in accordance with the X direction drive and the linear movement along the rotation axis in accordance with the Y direction drive. .
  • the holding frame 8 is composed of a receiving frame part 27 having a cylindrical shape as a whole and holding members 21 a, 21 b, 21 c attached to the receiving frame part 27.
  • Element 2 8 ie, lock member
  • the main part of the holding frame 8 is constituted by a receiving frame 27, and the receiving frame 27 is attached to the drive ring 10 by a plurality of ports 20 to drive the holding frame 8. It is attached to ring 10.
  • the receiving frame 27 has a cylindrical shape as a whole, it is not a perfect cylinder, and a part of the side peripheral surface of the cylinder is relatively largely removed to form an opening.
  • the component V to be sewn is set on the receiving frame 27 so as to cover the opening, and holding members 2 provided at three places of the receiving frame 27 as described below. 1a, 21 and 21c are fitted and held.
  • This opening allows passage of the needle fed out from the sewing machine head 2 toward the shuttle in the cylinder bed 4 with respect to the structure V to be sewn set in the receiving frame 27. It is for. Accordingly, the extent of the opening defines the embroidery possible range for the sewing structure V set in the receiving frame 27. Therefore, if this opening has a shape substantially conforming to the shape of the workpiece V held by the receiving frame portion 27, that is, the shape of the eaves, the embroidery possible range can be widened, and This is preferable because embroidery can be performed as widely as possible.
  • three holding members 21a, 21b, 21c are provided on the periphery of the opening.
  • the mounting position of these holding members 21a, 21b, 21c with respect to the receiving frame 27 can be adjusted as will be described later.
  • the other two holding members 2 lb and 21 c are arranged at symmetrical positions of the opening.
  • each of the holding members 21 a to 21 c is a pair of a substrate 22 to be attached to the receiving frame 27 and a pair attached to sandwich the substrate 22 from both sides. And a guide plate 23.
  • the groove formed between the pair of guide plates 23 becomes a fitting groove 125 for fitting and holding the edge of the eaves constituting member V.
  • FIG. 7 (a) is a plan view of an eave structure V composed of a top cloth, a back cloth, and a core material.
  • the front edge of the eave fits into the fitting groove 1 25 of the holding member 21a at the front edge.
  • the left and right edges of the eave are fitted into the fitting grooves 125 of the left and right holding members 21b and 21c, respectively.
  • the edge of the substrate 22 forms the bottom of the fitting groove 125.
  • the eaves constituting body V fitted in the fitting groove 125 is formed in three directions by a pair of guide plates 23 forming both side walls of the groove 125 and the edge of the substrate 22 forming the bottom. Is locked so that it cannot be moved by the receiving frame portion 27.
  • each of the pair of left and right holding members 21b and 21c two holes H (see Figs. 4 to 6) for mounting a port are formed in the substrate 22 at the two positions.
  • the holding members 21b and 21c are attached to the frame 27 by screwing the port 24 passing through the hole H into the screw hole of the frame 27. Then, the holding members 21 b and 21 c are appropriately moved along the elongated hole H while the port 24 is loosened, thereby disposing the holding members 21 b and 21 c with respect to the receiving frame 27.
  • the position (mounting position) can be adjusted.
  • the length direction of the elongated hole H is along the circumferential direction of the drive ring 10, that is, the rotating direction of the receiving frame 27, and the two holding members 21 b and 21 c are positioned with respect to the receiving frame 27.
  • the respective positions can be adjusted in the circumferential direction of the lever.
  • the arrangement of the pair of left and right holding members 21b and 21c is adjusted so as to conform to the lateral size (X in Fig. 7 (a)) of the eave structure V to be sewn.
  • the structure V can be securely held in the receiving frame 27.
  • the arrangement of the holding member 21a for holding the front edge of the eaves constituting body V is fixed at a predetermined position and cannot be adjusted.
  • the front edge of the eaves structure V is set in a state where the front edge is fitted into the fitting groove 125 of the holding member 21a and pressed against the bottom thereof, and then the edge is held down by the holding arm 25.
  • the pressing member 28 locking member
  • the arrangement of the holding member 21 a holding the front edge with respect to the receiving frame 27 may be adjusted as necessary. 21a to 21c, the movement of the sewing component V set in the receiving frame 27 in the left-right rotation direction is performed by a pair of left and right holding members 21b and 21c.
  • the holding member 21a holding the front edge of the structure V is used. Locked and securely held. Further, with respect to the vertical movement perpendicular to the surface of the sewing component V, the holding members 21a to 21c are firmly held by the holding members 21a to 21c so as not to rattle.
  • a holding arm 25 is pivotally supported by a shaft 26 in the receiving frame 27 so as to be swingable.
  • the holding arm 25 and the holding member 28 attached to the distal end thereof function as fixing means for fixing the sewing structure V held by the receiving frame 27 to the receiving frame 27. I do.
  • a bearing surface 27a is formed at a position facing the holding member 21a at the front edge, and a holding portion of the tip of the holding arm 25 is provided above the bearing surface 27a.
  • Member 2 8 that is, the lock member
  • the holding member 28 is attached so as to be capable of adjusting the position in the front-rear direction (axial direction of the receiving frame portion 27) by a slot provided in the holding arm 25.
  • the mechanism of the position adjustment may be the same as the mechanism of the position adjustment of the holding members 2 lb and 21 described above, and thus the detailed description is omitted.
  • the arrangement of the pressing member 28 is adjusted so as to conform to the size of the eaves structure V to be sewn in the front-rear direction (y in FIG. 7A), and the structure V It can be held tightly in part 27.
  • the outer side of the receiving frame 27 is An actuator 31 such as a key cylinder is arranged, and its base end is swingably connected to the drive ring 10.
  • the tip of the drive rod 32 of the actuator 31 is pivotally supported by a drive arm portion 30 integrally connected to the presser arm 25.
  • the air cylinder which is an actuator, is connected to an air pressure source (not shown) through a direction switching valve (not shown), and every time a foot switch (not shown) installed at the foot of the sewing machine operator is pressed.
  • the protruding movement and retreating of rod 32 of Actuyue 31 operate alternately.
  • the drive arm portion 30 of the holding arm 25 rotates clockwise in FIG.
  • the tip of the holding arm 25 is held down.
  • the member 28 moves downward in the direction of the bearing surface 27a, and the presser arm 25 as a whole assumes the posture shown by the solid line in FIG.
  • the eaves structure V in which the holding member 28 is held by the receiving frame 27 is pressed from above at the bearing surface 27a, and the holding member 28 and the bearing surface 27a are Tuck in between and fix (mouth).
  • the drive arm portion 30 of the presser arm 25 rotates counterclockwise in FIG. 4 around the axis 26, and the presser arm 25 becomes an imaginary line in FIG. And the lock of the eaves constituting body V is released.
  • the center of the front edge of the eaves structure V is fitted into the fitting groove 125 of the holding member 21a, and The ⁇ portions are fitted into the fitting grooves 125 of the holding members 21b and 21c, respectively.
  • the foot switch is turned on, the holding arm 25 is rotated clockwise in FIG. 4, and the holding member 28 at the tip presses the concave center portion of the rear edge of the eave structure V.
  • details of the holding member 28 are abutment piece 28 a for holding the eaves structure V held in the receiving frame 27 from above, and a guide slightly projecting from the tip edge.
  • FIG. 7 (c) shows an example of a state in which an eaves structure V having a core material Vc between a front cloth Va and a back cloth Vb is pressed and locked by a pressing member 28.
  • the following enlarged sectional view is shown.
  • the trailing edges of the front fabric Va and the back fabric Vb are appropriately longer than the trailing edges of the core material Vc sandwiched therebetween, and the abutting pieces 28 of the pressing member 28 are provided.
  • the abutting piece 28a of the pressing member 28 has a thickness substantially corresponding to the thickness of the core material Vc.
  • the portion including the core material Vc can be appropriately pressed from above by the guide piece 28b slightly projecting from the abutment piece 28a.
  • the holding members 21a to 21c and the pressing member 28 are used to hold the eaves constituting member V around the periphery. Since only a very small part needs to be retained, all other parts of the eave structure V can be subjected to embroidery sewing. That is, as described above, the opening other than the holding members 21 a to 21 c and the holding member 28 in the receiving frame 27 can be formed as wide as possible so that the opening is as open as possible. A wide embroidery area can be secured.
  • the X-direction drive unit and the Y-direction drive unit are driven in synchronization with the vertical movement of the needle and in accordance with the desired paper opening.
  • the desired sewing pattern can be sewn on the eaves structure V held by the holding frame 8.
  • the pressing member 28 is not limited to the example in which the lock-unlock control is performed by the actuator 31, and the lock Z unlock control may be manually performed. An embodiment in that case will be described with reference to FIGS.
  • the slider 41 is supported by the guide member 40 fixed to the upper surface of the receiving frame 27 so as to be able to slide in the front-rear direction.
  • a holding member 28 is fixed to the tip.
  • the slider 41 is urged in the forward direction (in the direction away from the holding member 21a) by the repulsive force of the coil panel 43 mounted between the slider 41 and the end face of the guide member 40.
  • a ratchet gear 41 a is formed on the upper surface of the slider 41.
  • the ratchet lever 44 pivotally supported above is urged by a torsion spring (not shown) in a direction in which the claw 44a at the tip thereof engages the ratchet gear 41a.
  • the fixing means for fixing the sewn component V held by the receiving frame 27 includes the pressing member 28. It comprises a slider 41 for manual operation, a ratchet mechanism, a coil spring 43 and the like.
  • FIGS. 11 to 14 show an embodiment in which a receiving plate 201 curved in an arc is inserted and arranged in a substantially cylindrical space surrounded by a holding frame 8, and FIG. 11 is a plan view.
  • Fig. 12 is a front view.
  • FIG. 13 and FIG. 14 are a plan view and a front view, respectively, showing a configuration related to the receiving plate 201 extracted. Except for the configuration related to the receiving plate 201, the configuration is the same as that in FIGS. 8 to 10, and therefore only the configuration related to the receiving plate 201 will be described.
  • two stays 200 are attached to the front surface of the support plate 12, and a receiver plate 201 curved in a semi-cylindrical shape is provided on the upper end of the stay 200.
  • the receiving plate 200 is provided with a mounting hole 204, which is screwed into the mounting hole 204 through the screw 202 to the upper surface of the tip of the stay 200 so that the receiving plate 201 is formed.
  • a long and narrow through hole 203 is formed in front and rear.
  • the through hole 203 corresponds to the position of the shuttle provided in the cylinder bed 4 (hook base), and the sewing machine that enters and exits the needle hole 205 of the needle plate 9 from the upper sewing head 3. It allows the needle to pass.
  • the receiving plate 201 is inserted into a substantially cylindrical space in the receiving frame portion 27 of the holding frame 8, and as described above, the supporting plate 1 2 Therefore, it can move linearly with the holding frame 8, that is, the receiving frame 27, but does not rotate together.
  • the upper surface of the receiving plate 201 hardly comes into contact with the eaves structure V set in the receiving frame 27, and a part of the eaves structure V touches when a needle is inserted. If so, it is not intended to support eaves configuration V. Rather, by covering the opening of the receiving frame 27 with the receiving plate 201 downward, the eaves constituting member V is set from the relatively large opening when the eaves constituting member V is set on the holding frame 8. It prevents the V from falling off and plays a role in facilitating the work of mounting the eaves structure V.
  • the holding frame 8 is fixed to the drive ring 10 via a plurality of ports 20 so as not to be easily detached.
  • the present invention is not limited to this. You may make it attach to.
  • the present invention may be applied to a multi-head sewing machine having a plurality of sewing heads 3.
  • the drive frame for attaching and moving the workpiece to be sewn is not limited to the case where it is configured as a sewing machine dedicated to embroidery (sewing) on the curved eave structure V.
  • the present invention can be applied to a general-purpose sewing machine that can be arbitrarily replaced with any one of them.
  • FIG. 15 to 17 is one in which such various modifications are applied, that is, an example in which the present invention is applied to a multi-head sewing machine, and in which the holding frame 8 is detachably attached.
  • Fig. 15 is a plan view
  • Fig. 16 is a cross-sectional view taken along the line C-C of Fig. 15.
  • the embodiments shown in FIGS. 15 to 17 show examples in which these modifications are implemented together. However, the present invention is not limited to this, and these modifications are selectively used as appropriate. Of course, you may do so.
  • Fig. 15 shows four cylinder beds (hook base) 104 installed at predetermined intervals in the X direction corresponding to each of a plurality (four) of sewing heads (not shown).
  • the frame drive unit 100 according to the embodiment of the present invention is mounted, and the four drive rings 107 mounted on the frame drive unit 100 are respectively provided with holding frames 111. This shows a state where 8 is set.
  • a long Y-direction driver 105 extends in a direction crossing each cylinder bed 10.4, and this extends in the Y-direction on the machine table 101 similarly to the Y-direction driver 5 described above. It is driven linearly (back and forth). Further, as shown in FIG. 16, an X-direction slide body 106 is provided inside the Y-direction drive body 105 and is driven to slide in the X-direction.
  • a support plate 108 similar to the above-described support plate 12 is provided for each cylinder pad 104, and each support plate 108 is provided with the aforementioned drive ring 1
  • a drive ring 107 similar to 0 is rotatably mounted in the same manner as described above.
  • Each support plate 108 is mounted on a pair of mounting plates 111 in the same manner as the support plate 12 described above is mounted on a pair of mounting plates 11.
  • the pair of mounting plates 111 for each of the support plates 108, that is, for each drive ring 107 are connected to one connecting plate 110 which is long in the X direction.
  • One drive plate 112 which is also long in the X direction, is engaged with the upper surface of the connecting plate 110 so as to be slidable in the X direction.
  • both ends of the wire wound around each drive ring 107 are connected to the front edge of the drive plate 112, respectively.
  • Each drive ring 107 is rotated in accordance with the linear movement.
  • a holding frame 118 for holding the sewn body that is, the eave structure V, is configured to be detachably attached to each drive ring 107.
  • the connecting plate 110 is fixed to the base of the Y-direction driving body 105 by tightening screws 115, and the driving plate 112 is connected to the X-direction sliding body 106 with the screws 116. It is fixed by tightening.
  • each of the drive rings 107 two locking mechanisms 1 21 are provided at two upper portions thereof, and the corresponding holding frames 1 18 are connected via the two locking mechanisms 1 2 1.
  • a retainer portion 120 is fixedly formed at the base of the holding frame 118, and when the holding frame 118 is mounted on the drive ring 107, the retainer portion 120 is grasped manually. And pushes it into the drive ring 107, the lock member (not shown) provided on the base of the holding frame 118 or the retainer 120 is attached to the lock mechanism 122.
  • the holding frame 1 18 is fixed to the drive ring 107 by being engaged and locked.
  • the lock mechanism 122 itself may use a known lock mechanism of this type, and a detailed description thereof will be omitted.
  • each holding frame 1 18 may be substantially the same as that of the holding frame 8 described above.However, in the case of a multi-head type, the overall weight increases, so that the load applied to the drive source increases.
  • the opposite side that is, the lower side
  • the opposite side that is, the lower side
  • such a large notch on the opposite side that is, the lower side
  • a holding member 28 for locking the eaves structure V held by the receiving frame portion 127 is urged by a panel similarly to the embodiment shown in FIGS.
  • a manually operated type comprising a slider 41, a ratchet mechanism, a ratchet treper 44, and the like.
  • the holding members (21b, 21c in Fig. 2 and others) provided on the left and right edges of the opening of the receiving frame part 127 hold two The members 21b1 and 21b2 are provided.
  • the use of the holding members 2 1 b 1 and 21 b 2 divided into two per side in this manner has an advantage that the shape of the sewn body, that is, the eaves constituting body V can be easily changed.
  • FIG. 17 shows a connecting plate 110 in which four driving rings 107 are connected via the support plate 108 and the mounting plate 111, and a driving plate 111 slidingly engaged with the connecting plate 110.
  • 2 shows a state in which the frame drive unit 100 made of two is removed from the sewing machine main body, and shows a state in which the holding frame 118 is removed from each drive ring 107.
  • the connecting plate 110 When attaching the unit 100 to the sewing machine, the connecting plate 110 is placed on the cylinder bed 104 so that the cylinder ring 104 is fitted into each drive ring 107. And fix it to the lower surface of the Y-direction driver 105 by tightening the screws 115 (see Fig. 16).
  • the upper drive plate 112 is fixed to the X-direction slide body 106 of the Y-direction drive body 105 by tightening the screw 116 (see FIG. 16).
  • the holding frame 118 is detachable from the drive ring 107, efficient work can be performed as follows. While performing embroidery sewing on the eaves structure V held by the holding frame 1 18 set in each drive ring 107, The eaves structure V to be embroidered next is attached to the holding frame 1 1 8 of the above. When the embroidery is completed, each holding frame 1 18 is removed from the driving ring 107, and the other holding frame 118 on which the eaves structure V is already mounted is set on the driving ring 107. The next embroidery sewing work is immediately performed on the eaves structure V held by the holding frame 118 set in the drive ring 107. While this embroidery is being performed, remove the embroidered eaves structure V held by the holding frame 1 18 removed from the drive ring 107 earlier, and Replace it. By replacing the holding frame 118 in this way, the embroidery work can be performed extremely efficiently.
  • the bottoms of the fitting grooves 1 25 of the holding members 21 a, 21 b, 21 c, 21 bl, 21 b 2 provided on the receiving frame portions 27, 127 are provided. It is good to always be able to protrude by spring bias. Then, even if the size of the sewing component V fitted in the fitting groove 125 is slightly changed, the bottom of the fitting groove 125 is brought into contact with the edge of the sewing component V by the panel bias. It is automatically adjusted so that it always comes into contact, which is convenient.
  • the present invention is not limited to the hat eaves, but has a curved shape in advance and has a size less than the entire circumference of the circumference of the holding frame 8 or 118 attached to the driving ring. It can also be applied to embroidery sewing, decorative sewing, and other sewing operations on various other sewn objects.
  • the sewn body does not necessarily have to be composed of a plurality of fabrics or cores, but may be composed of a single material.
  • the structure or configuration of the holding members 21a, 21c, 21c, 21b1, 21b2 and the lock member 28 provided in the receiving frame portions 27, 127 are the same as those in the above embodiment.
  • the present invention is not limited to the above-described one, and the point is that any structure or configuration can be used as long as the structure to be sewn can be held and fixed to the frame portion.
  • the holding members 21a, 21b, 21c, 21b1, 21b2 and the lock member 28 provided on the receiving frame portions 27, 127 have different structures. However, these may have substantially the same structure.
  • the lock member 28 has the same structure as the holding member 21b or 21c. Or a member forming the movable fitting groove 125. In this case, the movable range of the movable holding member (fitting groove forming member) corresponding to the hook member 28 may be set relatively large.
  • the movable holding member (fitting groove forming member) corresponding to the lock member 28 is set back relatively large, and The front edge portion and the left and right side edge portions of the sewing component V are fitted into the fitting grooves 1 25 of the holding members 21 a to 21 c so that the sewing component V is received by the frame portion 27. Finally, the movable holding member (fitting groove forming member) corresponding to the lock member 28 is advanced toward the sewing structure V, and the edge of the sewing structure V is inserted into the fitting groove.
  • the movable holding member (fitting groove forming member) may be fixed by screwing. In this case, the operation is somewhat troublesome, and the fixing force is not always exerted sufficiently. However, since it functions as a fixing means, it is included in the scope of the present invention.
  • the holding frame (8, 118) is set so that the eaves of the hat, which is the sewing object V, is set backward in the holding frame (8, 118). Part (27, 1 27), holding member (21 a to 21 c), holding member (28), etc.
  • the configuration of the receiving frame portion and the like of the holding frame (8, 118) may be changed so that the eaves are set forward.
  • An embodiment of the holding frame 8A configured so that the eaves of the hat (eaves structure V) are set forward will be described with reference to FIGS. 18 to 22.
  • FIG. FIG. 18 is a plan view showing one configuration example of such a holding frame 8A
  • FIG. 19 is a front view thereof
  • FIG. 20 is a partial front view similar to FIG.
  • FIGS. 21 and 22 show side views of the holding frame 8A with respect to different operation states.
  • a receiving frame portion 301 constituting a main portion of the holding frame 8A is attached to the drive ring 10 (or 107) in the same manner as in each of the above embodiments.
  • the holding frame 8A is configured to be easily attached to and detached from the drive ring 10 (or 107)
  • the mounting structure is the same as that of the embodiment of FIG. 16 described above. Points are not shown in FIGS. 18 to 22. However, such a design change of the examples of FIGS. 18 to 22 may be easily implemented from the items already described with reference to FIG. 16 and the like.
  • the drive ring 10 (or 107) is attached to the support plate 12 (or 108) provided with the attachment plate 11 (or 111). Since the structure for driving the holding frame 8A by the support plate 12 (or 108) is the same as that of each of the embodiments described above, it is shown in FIGS. 18 to 22. Is omitted.
  • the receiving frame portion 301 is cylindrical and its tip is formed obliquely.
  • the receiving frame portion 301 has an opening at an upper portion and a lighter hole at a lower portion.
  • a holding member 302 is fixed to a central portion on the back side of the opening of the receiving frame portion 301. Holder The material 302 presses the central part of the base (rear part) of the eave structure V set with the front part of the eave facing forward with respect to the receiving frame part 301 at the part extending to the opening. This prevents the set eaves structure V from rising.
  • two clamping mechanisms 303a and 303b are respectively provided to hold the side portions of the eave structure V at two places.
  • the clamp mechanisms 303a and 303b for each side have the same configuration, the same reference numerals are used for convenience, and only the clamp mechanisms 303a and 303b provided on one side are provided. explain. Further, since the clamp mechanisms 303a and 303b provided on one side have substantially the same configuration even though the specific shape is slightly different, for convenience, the clamp mechanism 303a closer to the near side is used. Only will be described in detail.
  • the clamping mechanism 303a has a substrate 304a fixed to the receiving frame part 301 so as to be position-adjustable, and a guide plate 304a is provided at the tip of the substrate 304a. It is fixed.
  • the support member 304a is fixed to the substrate 304a.
  • the supporting member 300a is provided with a clamping member 310a provided with a clamping piece 300a that clamps the side portion of the eave structure V with the guide plate 300a. It is rotatably supported by 9a.
  • the shaft 309a is provided with a torsion panel 310a, and the clamp member 308a is urged in a rotating direction in which the holding piece 307a contacts the guide plate 305a. ing.
  • One end of a wire 312 is connected to the clamp member 3108a, and when the wire 312 is moved by the operation of a lock lever 316 described later, the clamp member 3108a is turned into a torsion spring.
  • the holding piece 307a is rotated in a direction away from the guide plate 30.5a against the urging force of 310a.
  • the forward clamping mechanism 303 a corresponds to the shape of the eaves constituting body V (the shape of the front part of the eaves), so that the substrate 304 a, the guide plate 300 a, and the holding piece 30.
  • the tip of 7a is slanted.
  • stoppers 311 are provided on the guide plate 3 05 b of the rear clamp mechanism 303 b to determine (or guide) the positions of both ends of the root of the eave structure V. is there.
  • the other ends of the wires 3 12 (total of 4 wires) provided for each of the clamp mechanisms 3 0 3 a and 3 0 3 b are connected to the sliding members 3 1 3 provided below the receiving frame 3 0 1.
  • a rod 314 is fitted in the sliding member 313, and the sliding member 313 can slide along the rod 314.
  • the rod 314 is provided on the receiving frame portion 301 via a fixing member 315.
  • a lock lever 3 16 is provided on the fixing member 3 15 in a snap-lock manner so as to be switchable between two positions.
  • the link arm 316a of the lock lever 316 engages with the engaging recess of the engaging member 317 fixed to the sliding member 313.
  • the wires 312 are pulled against the urging force of the display panels 3110a and 310b, and the clamp members 310a and 310b are rotated to the state shown in FIG.
  • the clamp is released (it becomes the unclamping position).
  • the lock lever 131 is not moved in that direction. Since 6 is locked, it does not move and the unclamping position is maintained.
  • the lock levers 3 16 are manually turned to the rear side as described above, the lock is easily released and the clamp position can be switched to the above-described clamp position.
  • a slider 319 is provided on the upper surface of the receiving frame portion 301 so as to be slidable in the front-rear direction by a guide member 318, and a holding arm 322 is provided at the tip of the slider 319. Is fixed.
  • the slider 319 is urged forward by a coil panel 321 provided between the slider 319 and the end of the guide member 318.
  • a ratchet gear 3222 is provided on the upper surface of the slider 3119, and the tip of a ratchet lever 323 that is supported above the ratchet gear 3222 engages with the ratchet gear 3222.
  • the panel member 324 fixed to the upper surface of the guide member 318 is for urging the tip of the ratchet torebar 323 in the direction of engagement with the ratchet gear 322.
  • Pins 3 and 2 5 are set up near the left and right ends of the holding arm 3 20, respectively, and a holding plate 3 2 6 is provided on the pin 3 and 2 so as to be vertically movable.
  • the presser plate 3 2 6 holds the tip of the eaves structure V (the front end of the eaves) between the guide portion 3 20 a of the presser arm 3 20 and the presser plate 3 2 6. It is urged downward by Yipane.
  • FIG. 22 shows a state in which the presser arm 320 is located nearer to the front, while FIG.
  • the central portion of the base of the eaves structure V is inserted under the holding member 302, and both ends of the base of the eaves structure V are connected to the stoppers 3 1 1 of the rear clamping mechanism 303 b. Set it in contact.
  • the eaves structure V set forward can be set without inclination.
  • slide the presser arm 320 toward the back and pinch the tip of the eave structure V between the guide portion 320 a of the presser arm 320 and the presser plate 326.
  • both ends of the base portion of the eaves structure V are positioned with the direction in which the eaves structure V including the hat eaves is set to the front. Since the stoppers 311 are provided, the both ends of the base of the eaves structure V are set in contact with the stoppers 311 so that the eaves structure V set forward can be easily tilted. It can be set. Further, when the holding arm 3200 is slid to hold the front end of the eaves structure V, the force in the direction in which both ends of the root of the eaves structure V abut the stopper 311 is also applied. There is an advantage that the eaves structure V does not inadvertently tilt due to the addition.
  • the sliding member 3 13 for rotating the clamp members 310 a and 310 b is moved by manual operation of the lock lever 3 16.
  • a driving source such as an air cylinder may be provided to automatically drive the sliding members 3 13.
  • the slide of the presser arm 3200 (slider 3119) may be automatically driven by a drive source such as an air cylinder.
  • the holding frame 8A constructed in accordance with the embodiment shown in FIGS. 18 to 22 or modified as appropriate based on the embodiment is applied to the eave structure V composed of a hat eave.
  • the present invention is not limited to this, and it is needless to say that the present invention can be appropriately applied to other appropriate structures V.
  • the receiving frame portion of the holding frame is configured to hold the curved workpiece to be sewn within a range less than the entire circumference. Even if the curved sewn body is not a perfect cylindrical object, the sewn body can be reliably held in conformity with the shape. Further, by providing a lock member for fixing the sewn body held in the receiving frame portion to the receiving frame portion, the sewn body held in the receiving frame portion is locked, and a sewing operation is performed. The holding frame can be moved without any inconvenience. In addition, the sewing operation process can be simplified or made more efficient. Further, according to the present invention and / or embodiments, there are various advantages as described above.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Sewing Machines And Sewing (AREA)

Abstract

L'invention concerne une machine à coudre comprenant un cadre de fixation (8) qui est monté pivotant autour d'une navette de base qui est mobile linéairement dans une direction axiale et qui possède un élément cadre (27) destiné à supporter un corps cousu incurvé tel un objet cousu dans une courte partie de la circonférence et un moyen de fixation (28) permettant de fixer, à l'élément cadre support, le corps cousu supporté par cet élément cadre support. Une pluralité d'éléments de fixation (21a, 21b, 21c) permettant de fixer le corps cousu par la fixation ou le maintien des bords latéraux du corps cousu à des positions spécifiques, est installée sur l'élément cadre support (27). L'élément cadre support est ouvert sur un espace défini par les éléments de fixation. La pluralité des cadres de fixation (8) peut être installée de manière amovible dans une machine à coudre multi-tête.
PCT/JP2003/012724 2002-10-03 2003-10-03 Machine a coudre WO2004031467A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020047013429A KR100596283B1 (ko) 2002-10-03 2003-10-03 미싱
JP2004541289A JP4070214B2 (ja) 2002-10-03 2003-10-03 湾曲した被縫製体の保持枠及びミシン

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2002-291349 2002-10-03
JP2002291349 2002-10-03

Publications (1)

Publication Number Publication Date
WO2004031467A1 true WO2004031467A1 (fr) 2004-04-15

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PCT/JP2003/012724 WO2004031467A1 (fr) 2002-10-03 2003-10-03 Machine a coudre

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JP (1) JP4070214B2 (fr)
KR (1) KR100596283B1 (fr)
CN (1) CN100436694C (fr)
WO (1) WO2004031467A1 (fr)

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Publication number Priority date Publication date Assignee Title
CN110130016B (zh) * 2019-05-10 2024-05-28 深圳超诚缝纫科技有限公司 一种弧面模板组件及3d立体电脑花样机
CN110923975B (zh) * 2019-12-16 2020-09-22 福建永信数控科技股份有限公司 一种刺绣机

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07303774A (ja) * 1994-05-12 1995-11-21 Tokai Ind Sewing Mach Co Ltd ミシンの保持枠駆動装置
JPH07324274A (ja) * 1994-05-26 1995-12-12 Kyushu Sekkei Kk 帽子刺繍時の刺繍面布のたるみ防止具
JP2914818B2 (ja) * 1992-05-06 1999-07-05 株式会社エイ・エス・テイ 縫製装置及び縫製方法
JP2000334190A (ja) * 1999-05-27 2000-12-05 Brother Ind Ltd 帽子用刺繍枠
JP2000355867A (ja) * 1999-06-11 2000-12-26 Tokai Ind Sewing Mach Co Ltd ミシン
JP3190500B2 (ja) * 1993-10-08 2001-07-23 東海工業ミシン株式会社 刺繍方法およびそれに用いる刺繍機
US6321669B1 (en) * 2000-12-26 2001-11-27 Dada Corp. Threadless embroidery method

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Publication number Priority date Publication date Assignee Title
JPH01229864A (ja) * 1988-11-19 1989-09-13 Barudan Co Ltd 刺繍ミシン
WO2000053836A1 (fr) * 1999-03-09 2000-09-14 Tokai Kogyo Mishin Kabushiki Kaisha Machine a coudre
JP2000308777A (ja) * 1999-04-28 2000-11-07 Brother Ind Ltd ミシンの布押さえ足の昇降装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2914818B2 (ja) * 1992-05-06 1999-07-05 株式会社エイ・エス・テイ 縫製装置及び縫製方法
JP3190500B2 (ja) * 1993-10-08 2001-07-23 東海工業ミシン株式会社 刺繍方法およびそれに用いる刺繍機
JPH07303774A (ja) * 1994-05-12 1995-11-21 Tokai Ind Sewing Mach Co Ltd ミシンの保持枠駆動装置
JPH07324274A (ja) * 1994-05-26 1995-12-12 Kyushu Sekkei Kk 帽子刺繍時の刺繍面布のたるみ防止具
JP2000334190A (ja) * 1999-05-27 2000-12-05 Brother Ind Ltd 帽子用刺繍枠
JP2000355867A (ja) * 1999-06-11 2000-12-26 Tokai Ind Sewing Mach Co Ltd ミシン
US6321669B1 (en) * 2000-12-26 2001-11-27 Dada Corp. Threadless embroidery method

Also Published As

Publication number Publication date
CN1685100A (zh) 2005-10-19
JPWO2004031467A1 (ja) 2006-02-02
CN100436694C (zh) 2008-11-26
KR100596283B1 (ko) 2006-06-30
JP4070214B2 (ja) 2008-04-02
KR20040099289A (ko) 2004-11-26

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