阅读说明：本技术 一种旋转花样机 (Rotary pattern sewing machine ) 是由 胡海洋 彭爱华 于 2021-07-26 设计创作，主要内容包括：本发明提供了一种旋转花样机,包括机头、缝纫机主体、旋转驱动机构、工作台、梭箱体机构和压料机构,机头安装在缝纫机主体上,缝纫机主体安装在工作台,梭箱体机构设置在工作台下侧,压料机构设置在工作台上,旋转驱动机构包括：滑环、中空旋转式传动装置和机头法兰,滑环安装在中空旋转式传动装置上,固定管设置在滑环的旋转中心孔内,固定管内设置有纱线管,纱线管的出线端伸出机头法兰的一侧,纱线管的入线端位于固定管的顶部,纱线管的入线端还连接有送线管,送线管设置在缝纫机主体内,缝纫机主体的后侧还设置有放线架。本发明可防止机头旋转时缝纫线产生扭力,从而影响缝纫线的线迹,而且可以使整体机构更轻量化。(The invention provides a rotary pattern sewing machine, which comprises a machine head, a sewing machine main body, a rotary driving mechanism, a workbench, a shuttle box body mechanism and a pressing mechanism, wherein the machine head is arranged on the sewing machine main body, the sewing machine main body is arranged on the workbench, the shuttle box body mechanism is arranged at the lower side of the workbench, the pressing mechanism is arranged on the workbench, and the rotary driving mechanism comprises: the slip ring is installed on the hollow rotary transmission device, the fixed pipe is arranged in a rotating center hole of the slip ring, a yarn pipe is arranged in the fixed pipe, the wire outlet end of the yarn pipe extends out of one side of the machine head flange, the wire inlet end of the yarn pipe is located at the top of the fixed pipe, the wire inlet end of the yarn pipe is further connected with a yarn feeding pipe, the yarn feeding pipe is arranged in the sewing machine main body, and a pay-off rack is further arranged on the rear side of the sewing machine main body. The invention can prevent the sewing thread from generating torsion when the machine head rotates, thereby influencing the stitch of the sewing thread and making the whole mechanism lighter.)

1. A rotary pattern sewing machine is characterized in that: including aircraft nose, sewing machine main part, rotary driving mechanism, workstation, shuttle box mechanism and swager construct, the aircraft nose passes through rotary driving mechanism to be installed in the sewing machine main part, the sewing machine main part is installed at the workstation, shuttle box mechanism sets up at the workstation downside, swager constructs the setting on the workstation, rotary driving mechanism includes: slip ring, cavity rotation type transmission and aircraft nose flange, the slip ring passes through fixed pipe and installs the top at cavity rotation type transmission's rotatory centre bore, the aircraft nose flange is installed in cavity rotation type transmission's bottom, fixed pipe sets up in the rotatory centre bore of slip ring, the lower extreme of fixed pipe is installed in the aircraft nose flange, fixed intraductal yarn pipe that is provided with, the leading-out terminal of yarn pipe stretches out one side of aircraft nose flange, the income terminal of yarn pipe is located the top of fixed pipe, the income terminal of yarn pipe still is connected with and send the spool, send the spool setting in the sewing machine main part, the rear side of sewing machine main part still is provided with the pay off rack, the sewing line that the pay off rack was emitted gets into from the tail end of sending the spool, and gets into in the eedle of aircraft nose after the leading-out from the leading-out terminal of yarn pipe.

2. The rotary pattern machine as claimed in claim 1, wherein: the hollow rotary transmission device comprises a hollow rotary platform and a stepping motor, the hollow rotary platform comprises a rotary platform and a first gear, a crossed roller bearing is arranged in the rotary platform, the first gear is installed on the crossed roller bearing, the stepping motor is meshed with the first gear through a second gear, the stepping motor drives the second gear to rotate, so that the first gear is driven to drive the crossed roller bearing to rotate, and the crossed roller bearing drives a machine head to do rotary motion through a transmission shaft.

3. A rotary pattern machine as claimed in claim 2, wherein: and a driving shaft of the stepping motor is arranged in parallel with a transmission shaft for driving the handpiece to rotate.

4. The rotary pattern machine as claimed in claim 1, wherein: the wire feeding device is characterized by further comprising a blowing device, wherein the blowing device is connected with the wire feeding pipe, and the blowing device can blow air in the wire feeding pipe.

5. The rotary pattern machine as claimed in claim 1, wherein: the slide ring is characterized by further comprising a supporting tube, wherein the lower end of the supporting tube is installed on the installation plate of the slide ring, a positioning hole is formed in the upper end of the supporting tube, and the positioning hole can be used for fixing a wire feeding tube.

6. The rotary pattern machine as claimed in claim 1, wherein: shuttle box mechanism includes sewing bottom plate, mount pad, shuttle subassembly, shuttle driving motor, trimming subassembly, trimming driving motor and bottom plate rotary driving device, the top at the mount pad is installed to the sewing bottom plate, shuttle subassembly and trimming subassembly are located sewing bottom plate's downside, and install the one side at the mount pad, shuttle driving motor installs in the mount pad side by side with trimming driving motor, and is located shuttle subassembly and trimming subassembly's downside, bottom plate rotary driving device passes through the bottom plate flange and installs in the bottom of mount pad, and can drive the mount pad and drive sewing bottom plate and be rotary motion.

7. The rotary pattern machine as claimed in claim 1, wherein: the material pressing mechanism comprises a material pressing template, a template locking assembly, a template X-axis driving assembly and a template Y-axis driving assembly, the pressing template is detachably arranged on the template locking component, the template locking component is arranged on the template X-axis driving component, the template X-axis driving component is arranged on the template Y-axis driving component, the template X-axis driving component can drive the pressing template to move along the X-axis direction through the template locking component, the template Y-axis driving component can drive the material pressing template to move along the Y-axis direction, the template locking component comprises a mounting seat and locking cylinders respectively arranged at two sides of the mounting seat, the locking cylinder is provided with a locking hook component, the pressing template is provided with a locking groove corresponding to the locking hook component, the mounting seat is further provided with a positioning lug, and the material pressing template is provided with a positioning groove corresponding to the positioning lug.

8. The rotary pattern machine of claim 7, wherein: template X axle drive assembly includes that X axle motor, X axle lead screw, X axle guide rail seat, first X axle guide rail, second X axle guide rail and X axle remove the seat, first X axle guide rail is installed in the last side of X axle guide rail seat, the leading flank at X axle guide rail seat is installed to second X axle guide rail, X axle removes the seat and installs respectively at first X axle guide rail and second X axle guide rail, X axle motor drives X axle through X axle lead screw and removes the seat and do the relative motion on first X axle guide rail and second X axle guide rail, template locking subassembly is installed at the leading flank that X axle removed the seat.

9. The rotary pattern machine of claim 7, wherein: the locking hook assembly comprises a locking hook block, a connecting rod and a fixing block, one end of the locking hook block is hinged to the telescopic end of the locking cylinder, the fixing block is installed on the locking cylinder, one end of the connecting rod is hinged to the fixing block, and the other end of the connecting rod is hinged to the locking hook block.

10. The rotary pattern machine of claim 7, wherein: template Y axle drive assembly includes that Y axle motor, Y axle lead screw, Y axle guide rail and Y axle remove the seat, Y axle removes the seat and installs on Y axle guide rail, Y axle motor passes through Y axle lead screw can drive Y axle and remove the seat and drive the material template and move along Y axle direction.

Technical Field

The invention relates to the field of pattern machines, in particular to a rotary pattern machine.

Background

A sewing machine is a machine that uses one or more sewing threads to form one or more stitches in a material to be sewn, thereby interweaving or stitching one or more layers of material. The sewing machine can sew fabrics such as cotton, hemp, wool, artificial fiber and the like and products such as leather, plastic, paper and the like, and embroidered stitches are neat, beautiful, flat and firm, the sewing speed is high, and the use is simple and convenient. The electronic pattern sewing machine is a high-end machine of sewing machine, it utilizes the longitudinal and horizontal feed mechanism to drive the cloth-pressing device of the machine so as to drive the cloth to move, and the motor drives the synchronous belt to run by means of clutch or similar device, and the synchronous belt runs to make the needle bar of the sewing machine move up and down under the action of driving device, and then utilizes the stitch forming principle of sewing machine to implement sewing work so as to attain the goal of forming various patterns on the cloth.

The Chinese patent of the invention discloses a sewing machine and a driving control method thereof, and the granted publication numbers are as follows:

CN 102787452B, the date of authorized announcement is: 2015.05.13, discloses a sewing machine having a rotatable head and a drive control method thereof. The pay-off rack of the sewing thread is arranged on the machine head, and the machine head rotates under the driving of the rotary driving mechanism, so that the sewing thread can rotate along with the rotation of the machine head when being paid out from the pay-off rack, and can swing outwards under the action of centrifugal force when rotating, so that torsion concentration is easily generated, the finally sewn stitch can be loose, irregular and uneven, can not be completely matched with the stitch to be sewn, the appearance attractiveness and the sewing quality of the product are seriously influenced, the integral quality of the product is influenced, and the qualification rate of the product is lower.

Disclosure of Invention

The invention aims to provide a rotary pattern sewing machine which can prevent the sewing thread from generating torsion when a machine head rotates, thereby influencing the stitch seam of the sewing thread and enabling the whole mechanism to be lighter.

In order to achieve the above purpose, the invention provides the following technical scheme:

the utility model provides a rotatory style machine, includes aircraft nose, sewing machine main part, rotary driving mechanism, workstation, shuttle box mechanism and swager constructs, the aircraft nose passes through rotary driving mechanism and installs in the sewing machine main part, the sewing machine main part is installed at the workstation, shuttle box mechanism sets up at the workstation downside, swager constructs the setting on the workstation, rotary driving mechanism includes: slip ring, cavity rotation type transmission and aircraft nose flange, the slip ring passes through fixed pipe and installs the top at cavity rotation type transmission's rotatory centre bore, the aircraft nose flange is installed in cavity rotation type transmission's bottom, fixed pipe sets up in the rotatory centre bore of slip ring, the lower extreme of fixed pipe is installed in the aircraft nose flange, fixed intraductal yarn pipe that is provided with, the leading-out terminal of yarn pipe stretches out one side of aircraft nose flange, the income terminal of yarn pipe is located the top of fixed pipe, the income terminal of yarn pipe still is connected with and send the spool, send the spool setting in the sewing machine main part, the rear side of sewing machine main part still is provided with the pay off rack, the sewing line that the pay off rack was emitted gets into from the tail end of sending the spool, and gets into in the eedle of aircraft nose after the leading-out from the leading-out terminal of yarn pipe.

Further, the hollow rotary transmission device comprises a hollow rotary platform and a stepping motor, the hollow rotary platform comprises a rotary platform and a first gear, a crossed roller bearing is arranged in the rotary platform, the first gear is arranged on the crossed roller bearing, the stepping motor is in meshed connection with the first gear through a second gear, the stepping motor drives the second gear to rotate, so that the first gear is driven to drive the crossed roller bearing to rotate, and the crossed roller bearing drives the machine head to do rotary motion through a transmission shaft.

Further, a driving shaft of the stepping motor is arranged in parallel with a transmission shaft for driving the handpiece to rotate.

Further, the wire feeding device comprises a blowing device, wherein the blowing device is connected with the wire feeding pipe, and the blowing device can blow air in the wire feeding pipe.

Further, still include the stay tube, the lower extreme of stay tube is installed on the mounting panel of sliding ring, the upper end of stay tube is provided with the locating hole, the locating hole can be used for fixed wire feeding pipe.

Further, shuttle box mechanism includes sewing bottom plate, mount pad, shuttle subassembly, shuttle driving motor, trimming subassembly, trimming driving motor and bottom plate rotary driving device, the top at the mount pad is installed to the sewing bottom plate, shuttle subassembly and trimming subassembly are located the downside of sewing bottom plate, and install the one side at the mount pad, shuttle driving motor installs in the mount pad side by side with trimming driving motor, and is located the downside of shuttle subassembly and trimming subassembly, bottom plate rotary driving device passes through the bottom plate flange and installs in the bottom of mount pad, and can drive the mount pad and drive the sewing bottom plate and be rotary motion.

Further, the material pressing mechanism comprises a material pressing template, a template locking component, a template X-axis driving component and a template Y-axis driving component, the pressing template is detachably arranged on the template locking component, the template locking component is arranged on the template X-axis driving component, the template X-axis driving component is arranged on the template Y-axis driving component, the template X-axis driving component can drive the pressing template to move along the X-axis direction through the template locking component, the template Y-axis driving component can drive the material pressing template to move along the Y-axis direction, the template locking component comprises a mounting seat and locking cylinders respectively arranged at two sides of the mounting seat, the locking cylinder is provided with a locking hook component, the pressing template is provided with a locking groove corresponding to the locking hook component, the mounting seat is further provided with a positioning lug, and the material pressing template is provided with a positioning groove corresponding to the positioning lug.

Further, template X axle drive assembly includes that X axle motor, X axle lead screw, X axle guide rail seat, first X axle guide rail, second X axle guide rail and X axle remove the seat, first X axle guide rail is installed in the last side of X axle guide rail seat, the leading flank at X axle guide rail seat is installed to second X axle guide rail, X axle removes the seat and installs respectively at first X axle guide rail and second X axle guide rail, X axle motor drives X axle through X axle lead screw and removes the seat and do relative motion on first X axle guide rail and second X axle guide rail, template locking Assembly installs the leading flank at X axle removal seat.

Further, the latch hook subassembly includes latch hook piece, connecting rod and fixed block, latch hook piece one end articulates the flexible end at locking cylinder, the fixed block is installed on locking cylinder, connecting rod one end articulates on the fixed block, and the other end articulates on the latch hook piece.

Further, template Y axle drive assembly includes that Y axle motor, Y axle lead screw, Y axle guide rail and Y axle move the seat, Y axle moves the seat and installs on Y axle guide rail, Y axle motor passes through Y axle lead screw and can drive Y axle and move the seat and drive the material pressing template and move along Y axle direction.

The invention has the beneficial effects that:

the invention replaces the handpiece rotating unit in the prior art with the hollow rotary transmission device, thereby greatly simplifying the structure of the transmission device, leading the handpiece to be lighter, leading the volume of the handpiece to be smaller, and improving the safety performance of the handpiece, in addition, the hollow rotary transmission device is matched with the slip ring and the handpiece flange, because the rotating centers of the slip ring and the handpiece flange can be provided with the through hole, a fixed pipe is arranged in the through hole, thereby facilitating the installation of the slip ring, in addition, a yarn pipe is also arranged in the fixed pipe, the outlet end of the yarn pipe extends out of one side of the handpiece flange, the inlet end of the yarn pipe is positioned at the top of the fixed pipe, the inlet end of the yarn pipe is also connected with a yarn feeding pipe, the yarn feeding pipe is arranged in the sewing machine main body, a pay-off stand is also arranged at the rear side of the sewing machine main body, the sewing thread fed out by the pay-off stand enters from the tail end of the yarn feeding pipe and enters into a machine needle of the handpiece after being led out from the outlet end of the yarn pipe, when the aircraft nose rotated like this, because the pay off rack is static to be fixed at the rear side of sewing machine main part, can prevent that the pay off rack from making the sewing thread produce torsion and concentrate because of the rotation, the distance of sewing thread to aircraft nose increases in addition, can also release the torsion of sewing thread itself.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic perspective view of the head, the sewing machine body and the rotary drive mechanism of the present invention after assembly;

FIG. 3 is a schematic perspective view of the handpiece and rotary drive mechanism of the present invention;

FIG. 4 is a cross-sectional view of the handpiece and rotary drive mechanism of the present invention;

FIG. 5 is a partial cross-sectional view of the hollow rotary transmission of the present invention;

FIG. 6 is a partial cross-sectional view of the assembled head, sewing machine body and rotary drive mechanism of the present invention;

FIG. 7 is a schematic perspective view of the shuttle housing mechanism of the present invention;

FIG. 8 is a schematic perspective view of another aspect of the shuttle housing mechanism of the present invention;

FIG. 9 is a schematic perspective view of the pressing mechanism of the present invention;

FIG. 10 is a schematic structural view of the swage plate, the plate locking assembly and the plate X-axis driving assembly of the swaging mechanism of the invention after assembly;

fig. 11 is a schematic perspective view of a platen locking assembly of the swage mechanism of the present invention.

The attached drawings indicate the following:

A. sewing thread; 1. a sewing machine main body; 2. a machine head; 3. a rotation driving mechanism; 5. a shuttle box mechanism; 6. a material pressing mechanism; 7. a work table;

31. a slip ring; 32. a hollow rotary transmission; 33. a machine head flange; 34. a fixed tube;

311. an air slip ring; 312. an electrical slip ring;

321. a hollow rotary platform; 322. a stepping motor;

3211. rotating the platform; 3212. a first gear; 3213. a second gear; 3214. a crossed roller bearing;

41. a wire feeding pipe; 42. a pay-off rack; 43. a wire inlet end; 44. a wire outlet end; 45. a yarn bobbin; 46. a blowing device; 47. supporting a tube; 471. positioning holes;

51. sewing the bed plate; 52. a mounting seat; 53. a shuttle assembly; 54. a shuttle drive motor; 55. a thread trimming assembly; 56. a trimming drive motor; 57. a bottom plate rotation driving device;

571. a hollow rotary platform; 572. a stepping motor; 573. a crossed roller bearing; 574. a first gear; 575. a second gear; 576. rotating the platform;

61. pressing a material template; 62. a template locking assembly; 63. a template X-axis drive assembly; 64. a template Y-axis drive assembly; 621. a mounting seat; 622. a locking cylinder; 65. a latch hook assembly; 66. locking the groove; 67. positioning the bump; 68. a positioning groove;

631. an X-axis motor; 632. an X-axis lead screw; 633. an X-axis guide rail seat; 634. a first X-axis guide rail; 635. a second X-axis guide rail; 636. an X-axis moving seat;

651. a latch block; 652. a connecting rod; 653. a fixed block;

641. a Y-axis motor; 642. a Y-axis lead screw; 643. a Y-axis guide rail; 644. a Y-axis moving base;

Detailed Description

In order that those skilled in the art will better understand the technical solutions of the present invention, the following detailed description of the present invention is provided in conjunction with the accompanying drawings and the specific embodiments.

As shown in fig. 1, a rotary pattern sewing machine comprises a machine head 2, a sewing machine main body 1, a rotary driving mechanism 3, a workbench 7, a shuttle box body mechanism 5 and a pressing mechanism 6, wherein the machine head 2 is installed on the sewing machine main body 1 through the rotary driving mechanism 3, the sewing machine main body 1 is installed on the workbench 7, the shuttle box body mechanism 5 is arranged at the lower side of the workbench 7, and the pressing mechanism 6 is arranged on the workbench 7.

In the present embodiment, as shown in fig. 2 to 6, the rotation drive mechanism 3 includes: the thread feeding device comprises a sliding ring 31, a hollow rotary transmission device 32 and a machine head flange 33, wherein the sliding ring 31 is installed above a rotary center hole of the hollow rotary transmission device 32 through a fixing pipe 34, the machine head flange 33 is installed at the bottom of the hollow rotary transmission device 32, the fixing pipe 34 is arranged in the rotary center hole of the sliding ring 31, the lower end of the fixing pipe 34 is installed in the machine head flange 33, a thread pipe 45 is arranged in the fixing pipe 34, a thread outlet end of the thread pipe 45 extends out of one side of the machine head flange 33, a thread inlet end of the thread pipe 45 is located at the top of the fixing pipe, a thread feeding pipe 41 is further connected to the thread inlet end of the thread pipe 45, the thread feeding pipe 41 is arranged in the sewing machine body 1, a pay-off rack 42 is further arranged on the rear side of the sewing machine body 1, and sewing threads fed out from the tail end of the thread feeding pipe 41 enter into a machine needle of the machine head after being led out from the thread outlet end of the thread pipe 45.

The invention replaces the head rotating unit in the prior art with the hollow rotary transmission device 32, thereby greatly simplifying the structure of the transmission device, leading the head to be lighter, leading the volume of the head to be smaller, and improving the safety performance of the head, in addition, the hollow rotary transmission device 32 is matched with the slip ring 31 and the head flange 33, because the rotating centers of the slip ring 31 and the head flange 33 can be provided with through holes, thereby arranging a fixed pipe 34 in the through holes, thereby facilitating the installation of the slip ring 31, in addition, a yarn pipe 45 is also arranged in the fixed pipe, the outlet end 44 of the yarn pipe 45 extends out of one side of the head flange 33, the inlet end of the yarn pipe 45 is positioned at the top of the fixed pipe, the inlet end of the yarn pipe 45 is also connected with a yarn feeding pipe 41, the yarn feeding pipe 41 is arranged in the sewing machine main body 1, the back side of the sewing machine main body 1 is also provided with a pay-off stand 42, sewing threads discharged by the pay-off stand 42 enter from the tail end of the yarn feeding pipe 41, and the thread is led out from the thread outlet end 44 of the thread pipe 45 and enters the needle of the machine head 2, so that when the machine head rotates, the pay-off rack 42 is fixed at the rear side of the sewing machine main body 1 in a stationary manner, the phenomenon that the torsion of the sewing thread is concentrated due to the rotation of the pay-off rack 42 can be prevented, in addition, the distance from the sewing thread to the machine head is increased, and the torsion of the sewing thread can be released.

As shown in figure 6, the invention arranges the thread feeding pipe 41 in the sewing machine body 1, arranges the pay-off rack 42 outside the sewing machine body 1 and close to the thread feeding end 43 of the thread feeding pipe 41, the thread outlet end 44 of the thread feeding pipe 41 is communicated with one end of the thread pipe 45 in the rotary driving mechanism 3, the thread outlet end of the thread pipe 45 extends downwards from one side of the rotary hollow platform of the rotary driving mechanism 3, when in operation, the sewing thread discharged by the pay-off rack 42 firstly enters from the tail end of the thread feeding pipe 41 and enters into the thread pipe 45, and finally the sewing thread is led out from the thread outlet end of the thread pipe 45 and enters into the machine needle of the machine head. The distance from the pay-off rack 42 to the thread inlet end 43 of the thread feeding pipe 41 of the sewing machine is very short, so that the sewing thread exposed outside the sewing machine main body 1 is only a small section, and most of the sewing thread is hidden in the thread feeding pipe 41 of the sewing machine main body 1, thereby greatly preventing an operator from mistakenly touching the sewing thread, and the pay-off rack 42 is directly arranged on the sewing machine main body 1, so that the whole occupied area of the sewing machine is also reduced, and the whole rotary pattern sewing machine is more beautiful.

In this embodiment, as shown in fig. 4, the slip ring 31 includes an air slip ring 311 and an electric slip ring 312, and the rotation centers of the air slip ring 311 and the electric slip ring 312 are both provided with a central through hole.

In this embodiment, as shown in fig. 5, the hollow rotary transmission device 32 includes a hollow rotary platform 321 and a stepping motor 322, the hollow rotary platform 321 includes a rotary platform 3211 and a first gear 3212, a cross roller bearing 3214 is disposed in the rotary platform 3211, the first gear 3212 is mounted on the cross roller bearing 3214, the stepping motor 322 is meshed with the first gear 3212 through a second gear 3213, the stepping motor 322 drives the second gear 3213 to rotate, so as to drive the first gear 3212 to drive the cross roller bearing 3214 to rotate, and the cross roller bearing 3214 drives the handpiece to rotate through a transmission shaft 3215.

The rotary platform 3211 in this embodiment employs a cross roller bearing 3214, which realizes high output power and high rigidity. The high-rigidity cross roller bearing 3214 in this embodiment is integrated with the hollow rotary platform 3211.

Compared with the transmission using a belt and a motor, the hollow rotary transmission device 32 of the present embodiment can reduce the man-hours and costs for mechanism design, component adjustment, belt state adjustment, and the like.

The hollow rotary transmission 32 of the present embodiment has a large-diameter hollow hole (through hole) and can be used for wiring and piping with complicated wiring, thereby making the design of the device simpler.

In this embodiment, the driving shaft of the stepping motor 322 is parallel to the driving shaft for driving the handpiece 2 to rotate.

In this embodiment, as shown in fig. 6, an air blowing device 46 is further included, the air blowing device 46 is connected to the wire feeding pipe 41, and the air blowing device 46 can blow air into the wire feeding pipe 41. Because the sewing thread moves in the thread feeding pipe 41 and the yarn pipe 45 which are bent at a plurality of positions in a long distance, the resistance is large, the thread breakage is easily caused, the blowing device is arranged to enable the sewing thread in the thread feeding pipe 41 and the yarn pipe 45 to move more smoothly in the thread feeding pipe, and in addition, the air pressure in the thread feeding pipe 41 and the yarn pipe 45 can be regularly increased to push the sewing thread to advance, so that the threading of the sewing thread is more convenient.

In this embodiment, as shown in fig. 6, a support tube 47 is further included, a lower end of the support tube 47 is mounted on the mounting plate of the slide ring 31, and an upper end of the support tube 47 is provided with a positioning hole, which can be used for fixing the feeding tube 41. The upper end of the support tube 47 is provided with a positioning hole for fixing the feed tube 41.

As shown in fig. 7 to 9, the shuttle box mechanism 5 includes a sewing bottom plate 51, a mounting seat 52, a shuttle assembly 53, a shuttle driving motor 54, a thread trimming assembly 55, a thread trimming driving motor 56 and a bottom plate rotation driving device 57, the sewing bottom plate 51 is mounted on the top of the mounting seat 52, the shuttle assembly 53 and the thread trimming assembly 55 are located on the lower side of the sewing bottom plate 51 and are mounted on one side of the mounting seat 52, the shuttle driving motor 54 and the thread trimming driving motor 56 are mounted in the mounting seat 52 side by side and are located on the lower sides of the shuttle assembly 53 and the thread trimming assembly 55, the bottom plate rotation driving device 57 is mounted on the bottom of the mounting seat 52 through a bottom plate flange, and can drive the mounting seat 52 to drive the sewing bottom plate 51 to rotate.

In the invention, the shuttle driving motor 54 and the thread cutting driving motor 56 are arranged in the mounting seat 52 side by side, so that dynamic balance can be realized when the bottom plate rotating driving device 57 drives the sewing bottom plate 51 to rotate, and the driving output ends of the shuttle driving motor 54 and the thread cutting driving motor 56 are positioned on the same side surface, so that the dynamic balance of the bottom plate rotating driving device 57 can be conveniently adjusted.

In this embodiment, the mounting seat 52 is provided with an upper layer for mounting the shuttle assembly 53 and the thread trimming assembly 55, and a lower layer for mounting the shuttle drive motor 54 and the thread trimming drive motor 56.

In this embodiment, the drive shafts of the shuttle drive motor 54 and the thread cutting drive motor 56 are provided on one side of the mount 52 in the same direction.

In this embodiment, the sole plate rotation drive 57 is identical to the hollow rotary drive 32.

As shown in fig. 9 to 11, the swaging mechanism 6 includes a swaging die plate 61, a die plate locking assembly 62, template X axle drive assembly 63 and template Y axle drive assembly 64, press template 61 detachable to install on template locking assembly 62, template locking assembly 62 installs on template X axle drive assembly 63, template X axle drive assembly 63 installs at template Y axle drive assembly 64, template X axle drive assembly 63 accessible template locking assembly 62 drives and presses template 61 to move along the X axle direction, template Y axle drive assembly 64 can drive and press template 61 to move along the Y axle direction, template locking assembly 62 includes mount pad 621 and installs the locking cylinder 622 in mount pad 621 both sides respectively, be provided with latch hook component 65 on the locking cylinder 622, it is provided with the locked groove 66 to press template 61 to correspond latch hook component 65, still be provided with location lug 67 on the mount pad 621, press template 61 to correspond location lug 67 and be provided with positioning groove 68.

When the material pressing device works, a required material is clamped on the material pressing template 61, then the material pressing template is in butt joint positioning with the positioning lug 67 on the mounting seat 621 through the positioning groove 68 on the material pressing template 61, and finally the locking cylinder 622 drives the locking hook assembly 65 to lock the material pressing template 61 on the template X-axis driving assembly 63. In conclusion, the positioning device is convenient and quick to position, and compared with the prior art that three cylinders are used for positioning and locking, the structure of the positioning device is simpler.

In this embodiment, the template X-axis driving assembly 63 includes an X-axis motor 631, an X-axis lead screw 632, an X-axis guide rail seat 633, a first X-axis guide rail 634, a second X-axis guide rail 635, and an X-axis moving seat 636, wherein the first X-axis guide rail 634 is installed on an upper side surface of the X-axis guide rail seat 633, the second X-axis guide rail 635 is installed on a front side surface of the X-axis guide rail seat 633, the X-axis moving seat 636 is installed on the first X-axis guide rail 634 and the second X-axis guide rail 635, the X-axis motor 631 drives the X-axis moving seat 636 to move relatively on the first X-axis guide rail 634 and the second X-axis guide rail 635 through the X-axis lead screw 632, and the template locking assembly 62 is installed on the front side surface of the X-axis moving seat 636. In the present embodiment, the first X-axis guide rail 634 is installed on the upper side surface of the X-axis guide rail seat 633, and the second X-axis guide rail 635 is installed on the front side surface of the X-axis guide rail seat 633, so that the rigidity and vibration resistance of the X-axis moving seat 636 are increased, the vibration during moving is reduced, the swaging die plate 61 is more stable during moving, and the sewing stitches are more tidy and beautiful.

In this embodiment, as shown in fig. 11, the latch hook assembly 65 includes a latch hook block 651, a connecting rod 652 and a fixing block 653, wherein one end of the latch hook block 651 is hinged to the telescopic end of the locking cylinder 622, the fixing block 653 is installed on the locking cylinder 622, and one end of the connecting rod 652 is hinged to the fixing block 653, and the other end thereof is hinged to the latch hook block 651. The arrangement of the lock hook block 651 can make the material pressing template 61 more simple and convenient in locking.

In this embodiment, as shown in fig. 9, the die plate Y-axis driving assembly 64 includes a Y-axis motor 641, a Y-axis screw 642, a Y-axis guide 643 and a Y-axis moving base 644, the Y-axis moving base 644 is mounted on the Y-axis guide 643, and the Y-axis motor 641 can drive the Y-axis moving base 644 to drive the die plate 61 to move along the Y-axis direction through the Y-axis screw 642.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.