阅读说明：本技术 一种多功能皮带夹持送料数控自动缝纫机 (Multifunctional belt clamping feeding numerical control automatic sewing machine ) 是由 苏运松 于 2020-08-21 设计创作，主要内容包括：本发明公开了一种多功能皮带夹持送料数控自动缝纫机,包括皮带夹持运动装置,数控缝纫机上机头装置、上机头专用剪线压脚装置及上机头往复运动装置和下梭箱及下梭箱往复运动装置,上机头专用剪线压脚装置,机箱体、机架,缝纫机多轴运动控制系统、扫描器,机架的顶端固定安装有机箱体,机箱体的中部固定安装有下梭箱。本发明该皮带夹持送料数控自动缝纫机,无需使用摸板夹布,在机器入口处用皮带传输机做铺布平台,多层布料按投影图形位置摆放好后,自动送入皮带夹持送料数控自动缝纫机缝纫加工,后续加装取放布片机械手后,可实现少人或无人化自动缝纫加工,有效的提高了缝纫的工作效率,降低了生产成本。(The invention discloses a multifunctional belt clamping feeding numerical control automatic sewing machine which comprises a belt clamping movement device, an upper machine head device of the numerical control sewing machine, a special thread trimming presser foot device for the upper machine head, an upper machine head reciprocating movement device, a lower shuttle box and a lower shuttle box reciprocating movement device, a special thread trimming presser foot device for the upper machine head, a machine box body, a machine frame, a multi-shaft movement control system of the sewing machine and a scanner, wherein the top end of the machine frame is fixedly provided with the machine box body, and the middle part of the machine box body is fixedly provided with the lower shuttle box. According to the belt clamping feeding numerical control automatic sewing machine, a template is not needed to be used for clamping cloth, a belt transmission machine is used as a cloth laying platform at the inlet of the machine, multiple layers of cloth are placed according to the projection pattern position and then automatically fed into the belt clamping feeding numerical control automatic sewing machine for sewing, and after a cloth taking and placing manipulator is additionally arranged subsequently, less-person or unmanned automatic sewing can be achieved, the sewing work efficiency is effectively improved, and the production cost is reduced.)

1. A multifunctional belt clamping feeding numerical control automatic sewing machine comprises a belt clamping movement device (101), an upper machine head device (102) of the numerical control sewing machine, a special trimming presser foot device (103) for the upper machine head, an upper machine head reciprocating movement device, a lower shuttle box (104) and a lower shuttle box reciprocating movement device, the special trimming presser foot device (103) for the upper machine head, a machine box body (105), a machine frame (106), a multi-axis movement control system (107) of the sewing machine and a scanner (108), and is characterized in that the top end of the machine frame (106) is fixedly provided with the machine box body (105), the middle part of the machine box body (105) is fixedly provided with the lower shuttle box (104), the top part of the lower shuttle box (104) is fixedly provided with the special trimming presser foot device (103) for the upper machine head, the middle part of the top end of the machine box body (105) is fixedly provided with the belt clamping movement device (101), one side of the top end of, the numerical control sewing machine is characterized in that a cross rod is fixedly mounted on one side of the top end of the numerical control sewing machine (102), a scanner (108) is fixedly mounted on one side of the bottom end of the cross rod, a sewing machine multi-axis motion control system (107) is fixedly mounted at the bottom end of the rack (106), the belt clamping motion device (101), the upper machine head device (102) of the numerical control sewing machine, the upper machine head special trimming presser foot device (103), the upper machine head reciprocating motion device, the lower shuttle box (104) and the lower shuttle box reciprocating motion device are arranged, and the upper machine head special trimming presser foot device (103) and the scanner (108) are electrically connected with the sewing machine multi-axis motion control system (107).

2. The multifunctional belt clamping feeding numerical control automatic sewing machine according to claim 1, characterized in that: the belt clamping movement device (101) is composed of an upper clamping belt pulley linkage lifting arm (201), an upper clamping belt front disc supporting plate (202), an upper clamping belt pulley front disc main shaft synchronous wheel (203), an upper clamping belt front disc driving wheel (204), an upper disc driving motor synchronous belt (205), an upper driving motor synchronous wheel (206), an upper disc driving motor (207), an upper clamping belt pulley linkage belt (208), a front disc upper clamping belt (209), an upper clamping belt front disc supporting wheel (210), an upper clamping belt rear disc supporting wheel (211), an upper clamping belt rear disc belt (212), an upper clamping belt rear disc supporting plate (213), an upper clamping belt rear disc driving wheel (214), an upper clamping belt disc rear disc main shaft synchronous wheel (215), an upper clamping belt disc rear disc forming group lifting plate (216), an upper clamping belt disc lifting arm lifting connecting rod (217), an upper clamping belt disc lifting arm lifting cylinder (218), a lower disc driving motor synchronous belt (219), a lower disc driving motor synchronous wheel (220), a lower disc driving motor (221), a lower clamping belt disc linkage rear disc main shaft synchronous wheel (222), a lower clamping belt rear disc driving wheel (223), a lower clamping belt rear disc supporting plate (224), a lower clamping belt rear disc belt (225), a lower clamping belt rear disc supporting wheel (226), a lower clamping belt front disc supporting wheel (227), a lower clamping belt disc linkage synchronous belt (228), a lower clamping belt disc front disc belt (229), a lower clamping belt front disc supporting plate (230), a lower clamping belt front disc driving wheel (231), a lower clamping belt disc front disc main shaft synchronous wheel (232) and cloth (233);

the belt clamping movement device (101) is divided into an upper disc and a lower disc by a cloth (233) in sewing processing, the upper disc is oppositely configured into a front disc and a rear disc by taking a special trimming presser foot device (103) for an upper machine head as a reference boundary line, the upper clamping belt front disc driving wheel (204), a clamping belt supporting wheel (210) and a clamping belt (209) are arranged between two upper clamping belt front disc supporting plates (202) in a group, the rear upper disc clamping belt driving wheel (214), the clamping belt supporting wheel (211) and the clamping belt (212) are arranged between two upper clamping belt rear disc supporting plates (213) in a group, a plurality of groups of upper clamping belt rear disc supporting plates (213) are fixed on an upper clamping belt disc grouping plate (216) by screws, the front disc and the rear disc are respectively provided with an upper clamping disc grouping plate (216), and the upper clamping belt disc grouping plate (216) is fixedly connected with an upper clamping belt disc linkage lifting arm (201) by screws, the two upper clamping belt pulley linkage lifting arms (201) are respectively arranged on the left and the right, the front ends of the two upper clamping belt pulley linkage lifting arms are mounted on a machine box body (507) through bearings, the rear ends of the two upper clamping belt pulley linkage lifting arms are connected with an air cylinder (218) through a connecting rod (217), the upper clamping belt pulley linkage lifting arms (201) take a core shaft on the upper clamping belt pulley (507) as a circle center, power is provided by the air cylinder (218), and the upper clamping belt pulley assembly can be lifted by swinging upwards;

the upper disc of the belt clamping movement device (101) is driven by an upper driving motor (207), an upper driving motor synchronous wheel (206) drives an upper clamping belt disc linkage front spindle synchronous wheel (203) through an upper driving synchronous belt (205), and the upper clamping belt disc linkage front spindle synchronous wheel (203) drives an upper clamping belt disc linkage rear spindle synchronous wheel (215) through an upper disc linkage belt (208);

the front main shaft synchronizing wheel (203) is coaxial with the upper clamping belt front driving wheel (204), the upper clamping belt front driving wheel (204) drives the upper clamping belt (209) to reciprocate under the support of the upper clamping belt front supporting wheel (210);

the upper clamping belt pulley linkage rear main shaft synchronizing wheel (215) is coaxial with the upper clamping belt rear driving wheel (214), and the upper clamping belt rear driving wheel (214) drives the upper clamping belt (212) to reciprocate under the support of the upper clamping belt front supporting wheel (211);

the special trimming presser foot device (103) for the upper machine head of the machine head above the lower disc is used as a reference boundary line and is oppositely configured into a front disc and a rear disc, the rear lower disc clamping belt driving wheel (223), the clamping belt supporting wheel (226) and the clamping belt (225) are arranged between two lower clamping belt rear disc supporting plates (224) in a group, and the front lower disc clamping belt driving wheel (231), the clamping belt supporting wheel (227) and the clamping belt (229) are arranged between two lower clamping belt front disc supporting plates (230) in a group;

the lower disc of the clamping belt clamping movement device is driven by a lower driving motor (221), a lower driving motor synchronous wheel (220) drives a lower clamping belt disc linkage rear main shaft synchronous wheel (222) through a lower driving synchronous belt (219), and the lower clamping belt disc linkage rear main shaft synchronous wheel (222) drives a lower clamping belt disc linkage front main shaft synchronous wheel (232) through a lower disc linkage belt (228).

3. The multifunctional belt clamping feeding numerical control automatic sewing machine according to claim 2, characterized in that: the lower clamping belt pulley linkage rear disc main shaft synchronizing wheel (222) is coaxial with the lower clamping belt rear disc driving wheel (223), the lower clamping belt rear disc driving wheel (223) drives the lower clamping belt rear disc belt (225) to reciprocate under the support of the lower clamping belt rear disc supporting wheel (226), the lower clamping belt rear disc supporting plate (224) is firmly connected with the lower middle cross beam (508) and the lower front and rear outer side cross beams (510) through screws, the lower clamping belt disc front disc main shaft synchronizing wheel (232) is coaxial with the lower clamping belt front disc driving wheel (231), the lower clamping belt front disc driving wheel (231) drives the lower clamping belt disc front disc belt (229) to reciprocate under the support of the lower clamping belt rear disc supporting wheel (227), and the lower clamping belt front disc supporting plate (230) is firmly connected with the lower middle cross beam (508) and the lower front and rear outer side cross beams (510) through screws, the lower surfaces of the upper clamping belt (209) of the front disc and the upper clamping belt rear disc belt (212) are in contact with the cloth (233), the upper surfaces of the lower clamping belt rear disc belt (225) and the lower clamping belt disc front disc belt (229) are in contact with the cloth (233), the cloth (233) is clamped together by relative movement of the upper clamping belt and the lower clamping belt, and the cloth (233) does reciprocating motion.

4. The multifunctional belt clamping feeding numerical control automatic sewing machine according to claim 1, characterized in that: the numerical control sewing machine upper head (102) and upper head reciprocating motion device, the lower shuttle box (104) and lower shuttle box reciprocating motion device are composed of an upper machine shell (301), a special numerical control servo motor (302), a needle rod (303), a special presser foot (304), a presser foot rod (305), an upper head reciprocating motion ball screw pair (306), an upper head reciprocating motion motor (307), an upper head reciprocating linear motion ball guide rail seat (308), a lower shuttle box machine shell (309), a lower shuttle bed rotating numerical control servo motor (310), a lower shuttle bed rotating synchronous driving wheel (311), a synchronous belt (312), a lower shuttle bed rotating main shaft synchronous wheel (313), a lower shuttle bed (314), a lower shuttle box reciprocating linear motion guide rail seat (315), a lower shuttle box reciprocating motion ball screw pair (316) and a lower shuttle box reciprocating motion motor (317), wherein the numerical control servo motor (302) drives the upper head reciprocating motion device and the lower shuttle box reciprocating motion device to drive the upper head reciprocating motion device through an internal cam connecting rod mechanism of the upper machine shell (301), the special numerical control servo motor The needle bar (303) and the presser bar (305) do up-and-down reciprocating needle-punching sewing motion, the bottom end of the presser bar (305) is fixedly provided with a special presser foot (304), an upper machine head is movably connected with an upper cross beam (502) on the machine body box through a linear ball guide rail slide block, an upper machine head reciprocating motion ball screw pair (306) is driven by an upper machine head reciprocating motion motor (307) to enable the upper machine head to do reciprocating motion, a lower shuttle box (104) is driven by a lower shuttle bed rotating numerical control servo motor (310) through a lower shuttle bed rotating synchronous driving wheel (311), a synchronous belt (312) and a lower shuttle bed rotating main shaft synchronous wheel (313) to drive a lower shuttle bed (314) to do synchronous matching motion with the upper machine head needle bar (303) to execute sewing operation, the lower shuttle box (104) is movably connected with a motor mounting plate (506) through a linear guide rail slide block, and the lower shuttle box reciprocating motion motor (317) drives a lower shuttle box reciprocating motion ball screw pair (316) to enable the lower shuttle box and the special thread-shearing device The sewing operation is carried out.

5. The multifunctional belt clamping feeding numerical control automatic sewing machine according to claim 1, characterized in that: the special trimming presser foot device (103) for the upper handpiece consists of a presser foot seat (401), a trimming blade lower plectrum (402), an upper trimming moving blade (403), a presser foot body (404), a trimming blade lower plectrum mandrel (405), a trimming blade upper plectrum (406), an upper trimming cylinder (407) and a trimming head elastic sheet (408), wherein the special trimming presser foot device (103) for the upper handpiece is fixed on an upper handpiece presser foot rod (305) by the presser foot seat (401) and reciprocates up and down along with the presser foot rod (305), the trimming blade upper plectrum (406) is fixed on one end of the trimming blade lower plectrum mandrel (405) by screws, and the other end of the trimming blade lower plectrum mandrel (405) is riveted and fixed with the trimming blade lower plectrum (402);

an upper thread cutting cylinder (407) pushes an upper thread cutting blade plectrum (406) to drive a lower thread cutting blade plectrum (402) to swing back and forth by taking a lower thread cutting blade plectrum mandrel (405) and a hole on a presser foot seat (401) as the circle center, one end of the lower thread cutting blade plectrum (402) is inserted into a gap at the tail part of the upper thread cutting movable blade (403), the upper thread cutting movable blade (403) is driven to move forwards in a blade hole on the presser foot body (404) to hook an upper sewing thread, the sewing thread is hooked backwards and tangent to a cutting edge on the presser foot body (404), the sewing thread is cut, and the cut sewing thread is clamped by the interaction of a thread clamping head elastic sheet (408) and the upper thread cutting movable blade (403).

6. The multifunctional belt clamping feeding numerical control automatic sewing machine according to claim 1, characterized in that: the machine box body (105) is composed of a left vertical plate (501), an upper cross beam (502), an upper linear guide rail (503), a middle vertical plate (504), a right vertical plate (505), a motor mounting plate (506), an upper belt clamping device mounting seat (507), a lower middle cross beam (508), a lower linear guide rail (509), a lower front outer cross beam, a lower rear outer cross beam (510) and a support frame (511), wherein the left vertical plate (501), the upper cross beam (502), the right vertical plate (505), the lower middle cross beam (508), the middle vertical plate (504), the motor mounting plate (506), the lower front outer cross beam, the lower rear outer cross beam (510) and the like are embedded and combined and screwed into a whole, the upper linear guide rail (503) is fixed in a linear guide rail groove of the upper cross beam (502) by screws, the lower linear guide rail (509) is fixed in a linear guide rail groove of the lower middle cross beam (508) by screws, and the two upper belt clamping device mounting seats (507) are, the integral machine box body (105) is firmly fixed on the support frame (511) by screws.

7. The multifunctional belt clamping feeding numerical control automatic sewing machine according to claim 1, characterized in that: the multi-shaft motion control system (107) of the sewing machine consists of a display (601), an independent multi-shaft sewing machine numerical control motion controller (602), an industrial internet communication end (603), a data acquisition and IO output end (604), four stepping motor control drivers (605), two servo motor control drivers (606), two servo motors (607) and four stepping motors (608), the multi-shaft motion control system (107) of the sewing machine exchanges data information with the industrial internet through the industrial internet communication end (603), also can exchange data information with the outside through a USB (universal serial bus), can run independently without a network, acquires related input signals and execution IO output signals of the machine through the data acquisition and IO output end (604), and drives the servo motors (607) through the two servo motor control drivers (606) to realize the master-slave synchronous motion of needling of the special trimming presser foot device (103) for the upper machine head and the master-slave synchronous motion of the lower shuttle box (104), the sewing is realized, two stepping motor control drivers (605) drive two stepping motors (608) to realize synchronous planar Y-direction sewing track coordinate motion of the special trimming and pressing device (103) for the upper machine head and the lower shuttle box (104), and the other two stepping motor control drivers (605) drive the other two stepping motors (608) to realize synchronous planar X-direction sewing track coordinate motion.

Technical Field

The invention relates to a sewing machine, in particular to a multifunctional belt clamping feeding numerical control automatic sewing machine, and belongs to the technical field of sewing.

Background

In the existing clothes and home textile manufacturing enterprises, when parts are sewn, a flat sewing machine with a single function is basically used, and part of the clothes parts are sewn by using a template sewing machine; the numerical control template sewing machine reduces the technical difficulty of clothes sewing operation to a certain extent, because a template is used for clamping cloth pieces in the sewing process, the template needs to be manufactured in advance, expensive PVC rubber plate materials need to be consumed for manufacturing the template, and technicians with high compound skills are needed for manufacturing the template, so that the clothes production cost is improved, the production preparation time is increased, and a plurality of clothes manufacturing and sewing procedures cannot be used due to the limitation of the template sewing technology; after the template is used, the metal nails, the adhesive mastics and the like on the template are not easy to clean and can not be recycled, and the PVC rubber plate material is not easy to degrade and pollutes the environment; the numerical control template sewing machine is only suitable for products with more than medium and large batches, fashionable dress with small batches, even single piece of private custom-made clothes are not suitable for manufacturing, therefore, automatic sewing equipment and technology without using templates are edge tools for upgrading equipment technology of clothes manufacturing enterprises and leather products sewing enterprises, the multifunctional belt clamping feeding numerical control automatic sewing machine does not need to use templates to clamp cloth, a belt conveyor is used as a cloth laying platform at the entrance of the machine, after a plurality of layers of cloth are laid according to projection pattern positions, the cloth is automatically fed into the multifunctional belt clamping feeding numerical control automatic sewing machine to be sewn, and after a cloth taking and placing mechanical arm is subsequently additionally arranged, the automatic sewing processing with less people or no people can be realized.

Disclosure of Invention

The invention aims to provide a multifunctional belt clamping feeding numerical control automatic sewing machine to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the sewing machine comprises a belt clamping movement device, an upper machine head device of a numerical control sewing machine, a special trimming presser foot device for the upper machine head, an upper machine head reciprocating movement device, a lower shuttle box and a lower shuttle box reciprocating movement device, a special trimming presser foot device for the upper machine head, a machine box body, a machine frame, a sewing machine multi-axis movement control system and a scanner, wherein the top end of the machine frame is fixedly provided with the machine box body, the middle part of the machine box body is fixedly provided with the lower shuttle box, the top part of the lower shuttle box is fixedly provided with the special trimming presser foot device for the upper machine head, the middle part of the top end of the machine box body is fixedly provided with the belt clamping movement device, one side of the top end of the frame box is fixedly provided with the numerical control sewing machine, one side of the top end of the numerical control sewing machine is fixedly provided with a cross, the belt clamping motion device, the upper machine head device of the numerical control sewing machine, the special trimming presser foot device for the upper machine head, the upper machine head reciprocating motion device, the lower shuttle box and the lower shuttle box reciprocating motion device, and the special trimming presser foot device for the upper machine head and the scanner are electrically connected with the multi-axis motion control system of the sewing machine.

As a preferred technical scheme of the invention, the belt clamping movement device comprises an upper clamping belt pulley linkage lifting arm, an upper clamping belt front pulley supporting plate, an upper clamping belt pulley front pulley main shaft synchronous wheel, an upper clamping belt front pulley driving wheel, an upper disc driving motor synchronous belt, an upper driving motor synchronous wheel, an upper disc driving motor, an upper clamping belt pulley linkage belt, an upper clamping belt on the front disc, an upper clamping belt front pulley supporting wheel, an upper clamping belt rear pulley belt, an upper clamping belt rear pulley supporting plate, an upper clamping belt rear pulley driving wheel, an upper clamping belt rear pulley main shaft synchronous wheel, an upper clamping belt pulley rear plate grouping plate, an upper clamping belt pulley lifting arm lifting connecting rod, an upper clamping belt pulley lifting cylinder, a lower disc driving motor synchronous belt, a lower disc driving motor synchronous wheel and a lower disc driving motor, the cloth comprises a lower clamping belt pulley linkage rear disc main shaft synchronizing wheel, a lower clamping belt rear disc driving wheel, a lower clamping belt rear disc supporting plate, a lower clamping belt rear disc belt, a lower clamping belt rear disc supporting wheel, a lower clamping belt front disc supporting wheel, a lower clamping belt pulley linkage synchronizing belt, a lower clamping belt pulley front disc belt, a lower clamping belt front disc supporting plate, a lower clamping belt front disc driving wheel, a lower clamping belt disc front disc main shaft synchronizing wheel and cloth.

The belt clamping movement device is characterized in that cloth in sewing processing is divided into an upper disc and a lower disc, the upper disc is oppositely configured into a front disc and a rear disc by taking a special trimming presser foot device for a machine head above the upper disc as a reference boundary line, an upper clamping belt front disc driving wheel, a clamping belt supporting wheel and a clamping belt are arranged between two upper clamping belt front disc supporting plates in a group, the rear upper disc clamping belt driving wheel, the clamping belt supporting wheel and the clamping belt are arranged between the two upper clamping belt rear disc supporting plates in a group, a plurality of groups of upper clamping belt rear disc supporting plates are fixed on the upper clamping belt disc group plates by screws, the front disc and the rear disc are respectively provided with an upper clamping belt disc group plate, the upper clamping belt disc group plate is fixedly connected with the upper clamping belt disc linkage lifting arms by screws, the upper clamping belt disc linkage lifting arms are two, the left and right clamping belt disc are respectively provided with one, the front end is arranged on a, the rear end of the lifting arm is connected with the air cylinder through a connecting rod, the upper clamping belt pulley is linked with the mandrel above the lifting arm as a circle center, and the air cylinder provides power to swing upwards to lift the upper clamping belt pulley assembly;

the upper disc of the belt clamping movement device is driven by an upper driving motor, an upper driving motor synchronous wheel drives an upper clamping belt disc to be linked with a front spindle synchronous wheel through an upper driving synchronous belt, and the upper clamping belt disc to be linked with the front spindle synchronous wheel drives an upper clamping belt disc to be linked with a rear spindle synchronous wheel through an upper disc linkage belt;

the lower clamping belt pulley is linked with a rear pulley main shaft synchronizing wheel which is coaxial with the upper clamping belt front driving wheel, the upper clamping belt front driving wheel drives the upper clamping belt to reciprocate under the support of the upper clamping belt front supporting wheel;

the upper clamping belt pulley is linked with the rear main shaft synchronizing wheel and is coaxial with the upper clamping belt rear driving wheel, and the upper clamping belt rear driving wheel drives the upper clamping belt to reciprocate under the support of the upper clamping belt front supporting wheel;

the special trimming presser foot device for the machine head on the machine head above the lower disc is a reference boundary line and is oppositely configured into a front disc and a rear disc, the rear lower disc clamping belt driving wheel, the clamping belt supporting wheel and the clamping belt are arranged between two lower clamping belt rear disc supporting plates in a group, and the front lower disc clamping belt driving wheel, the clamping belt supporting wheel and the clamping belt are arranged between two lower clamping belt front disc supporting plates in a group;

the lower disc of the clamping belt clamping movement device is driven by a lower driving motor, a lower driving motor synchronous wheel drives a lower clamping belt disc to be linked with a rear main shaft synchronous wheel through a lower driving synchronous belt, and the lower clamping belt disc to be linked with the rear main shaft synchronous wheel drives a lower clamping belt disc to be linked with a front main shaft synchronous wheel through a lower disc linkage belt.

As a preferred technical scheme of the invention, the lower rear main shaft synchronizing wheel is coaxial with the lower clamping belt rear disc driving wheel, the lower clamping belt rear disc driving wheel drives the lower clamping belt disc front disc belt to reciprocate under the support of the lower clamping belt rear disc supporting wheel, the lower clamping belt rear disc supporting plate is firmly connected with the lower middle cross beam and the lower front and rear outer side cross beams through screws, the lower clamping belt disc front disc main shaft synchronizing wheel is coaxial with the lower clamping belt front disc driving wheel, the lower clamping belt front disc driving wheel drives the lower clamping belt to reciprocate under the support of the lower clamping belt rear disc supporting wheel, the lower clamping belt front supporting plate is firmly connected with the lower middle cross beam and the lower front and rear outer side cross beams through screws, the lower surfaces of the upper clamping belt of the front disc and the upper clamping belt rear disc belt are contacted with cloth, the upper surfaces of the lower clamping belt rear disc belt and the lower clamping belt disc front disc belt are contacted with the cloth, the upper clamping belt and the lower clamping belt move relatively to clamp the cloth together, and the cloth moves in a reciprocating manner.

As a preferred technical scheme of the invention, the reciprocating motion device of the upper machine head and the upper machine head of the numerical control sewing machine and the reciprocating motion device of the lower shuttle box and the lower shuttle box are composed of an upper machine shell, a special numerical control servo motor, a needle bar, a special presser foot, a presser bar, an upper machine head reciprocating motion ball screw pair, an upper machine head reciprocating motion motor, an upper machine head reciprocating linear motion ball guide rail seat, a lower shuttle box shell, a lower shuttle bed rotating numerical control servo motor, a lower shuttle bed rotating synchronous driving wheel, a synchronous belt, a lower shuttle bed rotating main shaft synchronous wheel, a lower shuttle bed, a lower shuttle box reciprocating linear motion guide rail seat, a lower shuttle box reciprocating motion ball screw pair and a lower shuttle box reciprocating motion motor, wherein the needle bar and the presser bar are driven by the special numerical control servo motor through a cam connecting rod mechanism inside the upper machine shell to carry out the up-and-down reciprocating needle punching sewing motion by the presser bar, the bottom end of the presser bar is fixedly provided, the upper machine head is movably connected with an upper cross beam on the machine body box through a linear ball guide rail slide block, an upper machine head reciprocating motion ball screw pair is driven by an upper machine head reciprocating motion motor to enable the upper machine head to do reciprocating motion, the lower shuttle box is driven by a lower shuttle bed rotating numerical control servo motor through a lower shuttle bed rotating synchronous driving wheel, a synchronous belt and a lower shuttle bed rotating main shaft synchronous wheel to enable a lower shuttle bed to do synchronous matching motion with an upper machine head needle rod to execute sewing operation, the lower shuttle box is movably connected with a motor mounting plate through a linear guide rail slide block, and the lower shuttle box reciprocating motion motor drives the lower shuttle box reciprocating motion ball screw pair to enable the lower shuttle box and a special thread shearing presser foot device for the upper machine head to do synchronous reciprocating motion to.

As a preferred technical scheme of the invention, the special trimming presser foot device for the upper nose consists of a presser foot seat, a lower trimming blade plectrum, an upper trimming movable blade, a presser foot body, a lower trimming blade plectrum mandrel, an upper trimming blade plectrum, an upper trimming cylinder and a trimming head elastic sheet, wherein the special trimming presser foot device for the upper nose is fixed on an upper nose presser foot rod by the presser foot seat and reciprocates up and down along with the presser foot rod, the upper trimming blade plectrum is fixed on one end of the lower trimming blade plectrum mandrel by screws, and the other end of the lower trimming blade plectrum mandrel is riveted with the lower trimming blade plectrum to be fixed;

the upper thread trimming cylinder pushes the upper plectrum of the thread trimming blade to drive the lower plectrum of the thread trimming blade to swing back and forth by taking the lower plectrum mandrel of the thread trimming blade and the hole on the presser foot seat as the center of a circle, one end of the lower plectrum of the thread trimming blade is inserted into the gap at the tail part of the upper thread trimming moving blade to drive the upper thread trimming moving blade to move forwards in the blade hole on the presser foot body to hook the upper sewing thread, the sewing thread is hooked backwards and is tangent to the cutting edge on the presser foot body to cut the sewing thread, and the cut sewing thread is clamped by the interaction of the thread clamping head elastic sheet and the upper thread trimming moving blade.

As a preferred technical scheme of the invention, the machine box body is composed of a left vertical plate, an upper cross beam, an upper linear guide rail, a middle vertical plate, a right vertical plate, a motor mounting plate, an upper belt clamping device mounting seat, a lower middle cross beam, a lower linear guide rail, a lower front outer cross beam, a lower rear outer cross beam and a support frame, wherein the left vertical plate, the upper cross beam, the right vertical plate, the lower middle cross beam, the middle vertical plate, the motor mounting plate, the lower front outer cross beam, the lower rear outer cross beam and the like are embedded and combined and screwed into a whole, the upper linear guide rail is fixed in a linear guide rail groove of the upper cross beam through screws, the lower linear guide rail is fixed in a linear guide rail groove of the lower middle cross beam through screws, two upper belt clamping device mounting seats are respectively fixed on the inner sides of the.

As a preferred technical scheme of the invention, the multi-shaft motion control system of the sewing machine consists of a display, an independent multi-shaft sewing machine numerical control motion controller, an industrial internet communication end, a data acquisition and IO output end, four stepping motor control drivers, two servo motors and four stepping motors, the multi-shaft motion control system of the sewing machine exchanges data information with the industrial internet through the industrial internet communication end, also can exchange data information with the outside through a USB (universal serial bus), can run independently in a mesh-off mode, acquires related input signals and executes IO output signals of the machine through the data acquisition and IO output end, realizes the master-slave synchronous motion of an upper machine head special trimming presser foot device needle stick and a lower shuttle box through the two servo motor control drivers, realizes the sewing operation, and realizes the upper machine head special trimming presser foot device needle stick through the two stepping motors of the two stepping motor control drivers And the synchronous planar Y-direction sewing track coordinate motion of the lower shuttle box, and the other two stepping motors are driven by the other two stepping motor control drivers to realize the synchronous planar X-direction sewing track coordinate motion.

Compared with the prior art, the invention has the beneficial effects that:

according to the multifunctional belt clamping feeding numerical control automatic sewing machine, a template is not needed to be used for clamping cloth, a belt conveyor is used as a cloth laying platform at the inlet of the machine, multiple layers of cloth are placed according to the projection pattern position and then automatically fed into the belt clamping feeding numerical control automatic sewing machine for sewing, and after a cloth piece taking and placing manipulator is additionally arranged subsequently, less-person or unmanned automatic sewing can be achieved, the sewing work efficiency is effectively improved, and the plum production cost is reduced.

Drawings

FIG. 1 is a view showing the overall front structure of a belt clamping and feeding numerical control automatic sewing machine according to an embodiment of the present invention.

FIG. 2 is a view showing the overall side structure of the belt clamping feeding numerical control automatic sewing machine according to the embodiment of the present invention.

Fig. 3 is a front structural view of a belt clamping movement device for belt clamping feeding according to an embodiment of the present invention.

Fig. 4 is a top view structural diagram of the belt clamping movement device for belt clamping feeding according to the embodiment of the invention.

Fig. 5 is a side view of the belt clamping movement device for belt clamping feeding according to the embodiment of the present invention.

FIG. 6 is an overall structure view of the upper head and the reciprocating device and the lower shuttle box and the reciprocating device of the numerical control sewing machine according to the embodiment of the invention.

Fig. 7 is an overall structure view of a trimming presser foot device dedicated for an upper machine head of a numerical control sewing machine according to an embodiment of the present invention.

Fig. 8 is an overall structure diagram of the cabinet according to the embodiment of the present invention.

FIG. 9 is a view of a numerical control motion control system of a multi-axis sewing machine according to an embodiment of the present invention.

In the figure: 101. a belt gripping movement device; 102. a numerical control sewing machine; 103. a trimming presser foot device special for the upper machine head; 104. a lower shuttle box; 105. a case body; 106. a frame; 107. a sewing machine multi-axis motion control system; 108. a scanner; 201. the upper clamping belt pulley is linked with the lifting arm; 202. a belt front disc supporting plate is clamped upwards; 203. a main shaft synchronous wheel of a front disc of the upper clamping belt pulley; 204. the upper clamping belt front disc driving wheel; 205. the upper disc drives a motor synchronous belt; 206. an upper driving motor synchronizing wheel; 207. an upper disc driving motor; 208. the upper clamping belt pulley is linked with the belt; 209. the front disc clamps the belt; 210. a front disc supporting wheel of the upper clamping belt; 211. a belt rear disc supporting wheel is clamped upwards; 212. a belt is clamped on the upper back plate; 213. a belt back plate supporting plate is clamped upwards; 214. the upper clamping belt rear disc driving wheel; 215. a main shaft synchronous wheel of a rear disc of the upper clamping belt pulley; 216. the back plate of the upper clamping belt pulley is a combined plate; 217. the upper clamping belt pulley lifting arm jacks up the connecting rod; 218. the upper clamping belt pulley lifting arm jacks up the air cylinder; 219. a lower disc driving motor synchronous belt; 220. a lower disc drives a motor synchronous wheel; 221. a lower disc drive motor; 222. the lower clamping belt pulley is linked with a rear pulley main shaft synchronizing wheel; 223. a lower clamping belt rear disc driving wheel; 224. a lower clamping belt back plate supporting plate; 225. a lower clamping belt and a rear disc belt; 226. a lower clamping belt rear disc supporting wheel; 227. a lower clamping belt front disc supporting wheel; 228. the lower clamping belt pulley is linked with the synchronous belt; 229. a front plate belt of the lower clamping belt pulley; 230. a front disc supporting plate of the lower clamping belt; 231. a belt front disc driving wheel is clamped below; 232. a main shaft synchronous wheel of a front disc of the lower clamping belt pulley; 233. distributing; 301. an upper housing; 302. a special numerical control servo motor; 303. a needle bar; 304. a special presser foot; 305. a presser bar; 306. the upper machine head reciprocates the ball screw pair; 307. an upper machine head reciprocating motor; 308. the upper machine head reciprocates linearly to move the ball guide rail seat; 309. a lower shuttle box housing; 310. a lower shuttle bed rotates a numerical control servo motor; 311. the lower shuttle race rotates the synchronous driving wheel; 312. a synchronous belt; 313. a main shaft synchronizing wheel is rotated by the lower shuttle race; 314. descending a shuttle bed; 315. the lower shuttle box reciprocates the guide rail seat of the linear motion; 316. the lower shuttle box reciprocates the ball screw pair; 317. a lower shuttle box reciprocating motor; 401. a presser foot seat; 402. a lower poking sheet of the thread trimming blade; 403. moving blades are cut off; 404. a presser foot body; 405. a lower pick mandrel of the thread trimming blade; 406. a plectrum is arranged on the thread trimming blade; 407. an upper trimming cylinder; 408. a wire clamping head elastic sheet; 501. a left vertical plate; 502. an upper cross beam; 503. an upper linear guide rail; 504. a middle vertical plate; 505. a right side vertical plate; 506. a motor mounting plate; 507. an upper belt clamping device mounting seat; 508. a lower middle cross beam; 509. a lower linear guide rail; 510. lower front and rear outer side beams; 511. a support frame; 601. a display; 602. a numerical control motion controller of the independent multi-shaft sewing machine; 603. an industrial internet communication terminal; 604. a data acquisition and IO output; 605. a stepper motor control driver; 606. a servo motor controls the driver; 607. a servo motor; 608. a stepper motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-9, the present invention provides a technical solution of a multifunctional belt-clamping feeding numerical control automatic sewing machine:

according to the drawings of fig. 1-9, comprising a belt clamping movement device 101, an upper machine head device 102, an upper machine head special trimming presser foot device 103, an upper machine head reciprocating movement device, a lower shuttle box 104 and a lower shuttle box reciprocating movement device, the upper machine head special trimming presser foot device 103, a machine box body 105, a frame 106, a sewing machine multi-axis movement control system 107 and a scanner 108, the top end of the frame 106 is fixedly provided with the machine box body 105, the middle part of the machine box body 105 is fixedly provided with the lower shuttle box 104, the top part of the lower shuttle box 104 is fixedly provided with the upper machine head special trimming presser foot device 103, the middle part of the top end of the machine box body 105 is fixedly provided with the belt clamping movement device 101, one side of the top end of the frame box 105 is fixedly provided with the numerical control sewing machine 102, one side of the top end of the numerical control sewing machine 102 is fixedly provided with a cross bar, one side of the bottom end of, the belt clamping movement device 101, the upper machine head device 102 of the numerical control sewing machine, the special trimming presser foot device 103 for the upper machine head, the upper machine head reciprocating movement device, the lower shuttle box 104 and the lower shuttle box reciprocating movement device are electrically connected, and the special trimming presser foot device 103 for the upper machine head and the scanner 108 are electrically connected with the multi-axis movement control system 107 of the sewing machine.

Referring to fig. 1, 2, 3, 4 and 5, the belt clamping movement device 101 is composed of an upper clamping pulley-linked lifting arm 201, an upper clamping belt front pulley support plate 202, an upper clamping pulley front pulley spindle synchronizing wheel 203, an upper clamping belt front pulley drive wheel 204, an upper pulley drive motor synchronizing belt 205, an upper drive motor synchronizing wheel 206, an upper pulley drive motor 207, an upper clamping pulley-linked belt 208, a front pulley upper clamping belt 209, an upper clamping belt front pulley support wheel 210, an upper clamping belt rear pulley support wheel 211, an upper clamping belt rear pulley belt 212, an upper clamping belt rear pulley support plate 213, an upper clamping belt rear pulley drive wheel 214, an upper clamping pulley rear pulley spindle synchronizing wheel 215, an upper clamping pulley rear plate grouping plate 216, an upper clamping pulley lifting arm lifting link 217, an upper clamping pulley lifting arm lifting cylinder 218, a lower pulley drive motor synchronizing belt 219, a lower disc driving motor synchronous wheel 220, a lower disc driving motor 221, a lower clamping belt disc linkage rear disc main shaft synchronous wheel 222, a lower clamping belt rear disc driving wheel 223, a lower clamping belt rear disc supporting plate 224, a lower clamping belt rear disc belt 225, a lower clamping belt rear disc supporting wheel 226, a lower clamping belt front disc supporting wheel 227, a lower clamping belt disc linkage synchronous belt 228, a lower clamping belt disc front disc belt 229, a lower clamping belt front disc supporting plate 230, a lower clamping belt front disc driving wheel 231, a lower clamping belt disc front disc main shaft synchronous wheel 232 and cloth 233.

The belt clamping movement device 101 is divided into an upper disc and a lower disc by a cloth 233 in sewing processing, the upper disc is oppositely configured into a front disc and a rear disc by taking a special trimming presser foot device 103 for an upper machine head as a reference boundary line, an upper clamping belt front disc driving wheel 204, a clamping belt supporting wheel 210 and a clamping belt 209 are arranged between two upper clamping belt front disc supporting plates 202 in a group, a rear upper disc clamping belt driving wheel 214, a clamping belt supporting wheel 211 and a clamping belt 212 are arranged between two upper clamping belt rear disc supporting plates 213 in a group, a plurality of groups of upper clamping belt rear disc supporting plates 213 are fixed on an upper clamping belt disc grouping plate 216 by screws, the front disc and the rear disc are respectively provided with an upper clamping belt disc grouping plate 216, the upper clamping belt disc grouping plate 216 is fixedly connected with an upper clamping belt disc linkage lifting arm 201 by screws, the upper clamping belt disc linkage lifting arms 201 are provided with two upper clamping belt disc linkage lifting arms 201, the left end and the right end are respectively provided, the front end is arranged on a machine box body 507 through a bearing, the rear end is connected with a cylinder 218 through a connecting rod 217, the upper clamping belt pulley linkage lifting arm 201 takes a central shaft on the 507 as a circle center, and the cylinder 218 provides power to lift the upper clamping belt pulley assembly in an upward swinging manner;

the upper disc of the belt clamping movement device 101 is driven by an upper driving motor 207, an upper driving motor synchronous pulley 206 drives an upper clamping belt disc linkage front spindle synchronous pulley 203 through an upper driving synchronous belt 205, and the upper clamping belt disc linkage front spindle synchronous pulley 203 drives an upper clamping belt disc linkage rear spindle synchronous pulley 215 through an upper disc linkage belt 208;

the front main shaft synchronizing wheel 203 is coaxial with the upper clamping belt front driving wheel 204, the upper clamping belt front driving wheel 204 drives the upper clamping belt 209 to reciprocate under the support of the upper clamping belt front supporting wheel 210;

the upper clamping belt pulley linkage rear main shaft synchronizing wheel 215 is coaxial with the upper clamping belt rear driving wheel 214, and the upper clamping belt rear driving wheel 214 drives the upper clamping belt 212 to reciprocate under the support of the upper clamping belt front supporting wheel 211;

the special trimming presser foot device 103 for the machine head on the machine head above the lower disc is used as a reference boundary line and is oppositely configured into a front disc and a rear disc, the rear lower disc clamping belt driving wheel 223, the clamping belt supporting wheel 226 and the clamping belt 225 are arranged between two lower clamping belt rear disc supporting plates 224 in a group, and the front lower disc clamping belt driving wheel 231, the clamping belt supporting wheel 227 and the clamping belt 229 are arranged between two lower clamping belt front disc supporting plates 230 in a group;

the lower disc of the clamping belt clamping movement device is driven by a lower driving motor 221, a lower driving motor synchronous pulley 220 drives a lower clamping belt disc linkage rear main shaft synchronous pulley 222 through a lower driving synchronous belt 219, and the lower clamping belt disc linkage rear main shaft synchronous pulley 222 drives a lower clamping belt disc linkage front main shaft synchronous pulley 232 through a lower disc linkage belt 228.

The lower clamping belt pulley linkage rear disc main shaft synchronizing wheel 222 is coaxial with a lower clamping belt rear disc driving wheel 223, the lower clamping belt rear disc driving wheel 223 drives a lower clamping belt rear disc belt 225 to reciprocate under the support of a lower clamping belt rear disc supporting wheel 226, a lower clamping belt rear disc supporting plate 224 is firmly connected with a lower middle cross beam 508 and a lower front and rear outer cross beam 510 through screws, a lower clamping belt disc front disc main shaft synchronizing wheel 232 is coaxial with a lower clamping belt front disc driving wheel 231, the lower clamping belt front disc driving wheel 231 drives a lower clamping belt disc front disc belt 229 to reciprocate under the support of a lower clamping belt rear disc supporting wheel 227, a lower clamping belt front supporting plate 230 is firmly connected with the lower middle cross beam 508 and the lower front and rear outer cross beams 510 through screws, the lower surfaces of an upper clamping belt 209 and an upper clamping belt rear disc belt 212 on a front disc are contacted with cloth 233, the upper surfaces of the lower clamping belt rear disc belt 225 and the lower clamping disc front disc belt 229 are contacted with the cloth 233, the upper and lower holding belts move relatively to hold the cloth 233 together, and the cloth 233 reciprocates.

Referring to fig. 1 and 6, the numerical control sewing machine upper head 102 and upper head reciprocating device and lower shuttle box 104 and lower shuttle box reciprocating device are composed of an upper housing 301, a special numerical control servo motor 302, a needle bar 303, a special presser foot 304, a presser foot bar 305, an upper head reciprocating ball screw pair 306, an upper head reciprocating motor 307, an upper head reciprocating linear motion ball guide rail seat 308, a lower shuttle box housing 309, a lower shuttle bed rotating numerical control servo motor 310, a lower shuttle bed rotating synchronous driving wheel 311, a synchronous belt 312, a lower shuttle bed rotating main shaft synchronous wheel 313, a lower shuttle bed 314, a lower shuttle box reciprocating linear motion guide rail seat 315, a lower shuttle box reciprocating motion ball screw pair 316 and a lower shuttle box reciprocating motion motor 317, the numerical control sewing machine upper head 102 needle punching reciprocating motion is composed of the special numerical control servo motor 302 driving the needle bar 303 and the presser foot bar 305 to make up-and-down reciprocating needle punching sewing motion through a cam link mechanism inside the upper housing 301, the bottom end of the presser bar 305 is fixedly provided with a special presser 304, the upper machine head is movably connected with an upper cross beam 502 on the machine body box through a linear ball guide rail slide block, an upper machine head reciprocating motion motor 307 drives an upper machine head reciprocating motion ball screw pair 306 to enable the upper machine head to reciprocate, the lower shuttle box 104 is driven by a lower shuttle bed rotating numerical control servo motor 310 through a lower shuttle bed rotating synchronous driving wheel 311, a synchronous belt 312 and a lower shuttle bed rotating main shaft synchronous wheel 313 to drive a lower shuttle bed 314 to synchronously cooperate with an upper machine head needle bar 303 to execute sewing operation, the lower shuttle box 104 is movably connected with a motor mounting plate 506 through a linear guide rail slide block, and the lower shuttle box reciprocating motion motor 317 drives a lower shuttle box reciprocating motion ball screw pair 316 to enable the lower shuttle box and the upper machine head special thread trimming presser device 103 to synchronously reciprocate to realize the sewing operation.

According to fig. 1 and 7, the special trimming presser foot device 103 for the upper nose is composed of a presser foot seat 401, a trimming blade lower plectrum 402, an upper trimming moving blade 403, a presser foot body 404, a trimming blade lower plectrum mandrel 405, a trimming blade upper plectrum 406, an upper trimming cylinder 407 and a trimming head spring sheet 408, the special trimming presser foot device 103 for the upper nose is fixed on an upper nose presser foot rod 305 by the presser foot seat 401 and reciprocates up and down along with the presser foot rod 305, the trimming blade upper plectrum 406 is fixed on one end of the trimming blade lower plectrum mandrel 405 by screws, and the other end of the trimming blade lower plectrum mandrel 405 is fixedly riveted with the trimming blade lower plectrum 402;

the upper thread cutting cylinder 407 pushes the upper thread cutting blade plectrum 406 to drive the lower thread cutting blade plectrum 402 to swing back and forth by taking the hole on the lower thread cutting blade plectrum mandrel 405 and the presser foot seat 401 as the center of a circle, one end of the lower thread cutting blade plectrum 402 is inserted into the gap at the tail part of the upper thread cutting blade 403 to drive the upper thread cutting blade 403 to move forward in the blade hole on the presser foot body 404 to hook the upper sewing thread, the sewing thread is hooked backwards to be tangent to the cutting edge on the presser foot body 404 to cut the sewing thread, and the cut sewing thread is clamped by the interaction of the thread clamping head elastic sheet 408 and the upper thread cutting blade 403.

Referring to fig. 1 and 8, the housing 105 is composed of a left vertical plate 501, an upper beam 502, an upper linear guide 503, a middle vertical plate 504, a right vertical plate 505, a motor mounting plate 506, an upper belt clamping device mounting seat 507, a lower middle beam 508, a lower linear guide 509, a lower front and rear outer beam 510, the left vertical plate 501, the upper cross beam 502, the right vertical plate 505, the lower middle cross beam 506, the middle vertical plate 504, the motor mounting plate 506, the lower front and rear outer cross beams 510 and the like are embedded and combined and screwed into a whole, the upper linear guide rail 503 is fixed in the linear guide rail groove of the upper cross beam 502 by screws, the lower linear guide rail 509 is fixed in the linear guide rail groove of the lower middle cross beam 508 by screws, the two upper belt clamping device mounting seats 507 are respectively fixed on the inner sides of the left vertical plate 501 and the middle vertical plate 504 by screws, and the whole machine box body 105 is firmly fixed on the support frame 511 by screws.

According to the illustration of fig. 1 and fig. 9, the sewing machine multi-axis motion control system 107 is composed of a display 601, an independent multi-axis sewing machine numerical control motion controller 602, an industrial internet communication terminal 603, a data acquisition and IO output terminal 604, four stepping motor control drivers 605, two servo motor control drivers 606, two servo motors 607 and four stepping motors 608, the sewing machine multi-axis motion control system 107 exchanges data information with the industrial internet through the industrial internet communication terminal 603, also can exchange data information with the outside through USB, can run independently in a mesh-off manner, acquires relevant input signals and executes IO output signals of the machine through the data acquisition and IO output terminal 604, realizes the master-slave synchronous motion of the upper head special thread trimming device 103 needle punching and the lower shuttle box 104 through the two servo motor control drivers 606 driving the servo motors 607, realizes the sewing operation, and realizes the upper head special thread trimming through the two stepping motors 608 driven by the two stepping motor control drivers 605 The synchronous planar Y-direction sewing track coordinate motion of the needle punching and the lower shuttle box 104 is realized by the thread cutting and pressing device 103, and the other two stepping motors 608 are driven by the other two stepping motor control drivers 605 to realize the synchronous planar X-direction sewing track coordinate motion.

When the multifunctional belt clamping feeding numerical control automatic sewing machine is used, the numerical control automatic sewing machine exchanges data information with the industrial internet through an industrial internet communication end 603 of a sewing machine multi-shaft motion control system 107, obtains operation instruction information on an enterprise server, stores the operation instruction information into a memory of the sewing machine multi-shaft motion control system 107, a cloth laying platform of an external belt conveyor conveys a cloth to a preset position at the inlet of the machine, when the cloth passes through a scanner 108, the scanner 108 identifies an input material information identifier, calls a program instruction of the sewing machine multi-shaft motion control system 107 and starts the machine to execute a program, the system program firstly outputs IO to drive an upper clamping belt disc lifting arm to lift up an air cylinder 218, an air cylinder rod of the upper clamping belt disc lifting arm to lift up the air cylinder 218 is retracted to drive the upper clamping belt disc to link a lifting arm 201 and lower front and rear discs of an upper clamping belt to descend, at the moment, the cloth 233 is clamped by the upper and lower belt clamping movement devices 101 for belt clamping feeding, and the system program outputs X at the same time; a Y-axis pulse instruction, wherein an upper disc driving motor 207 rotates clockwise, an upper disc upper clamping belt 209 is driven by an upper driving motor synchronous pulley 206, an upper disc driving motor synchronous belt 205, an upper clamping belt disc front disc main shaft synchronous pulley 203 and an upper clamping belt front disc driving pulley 204, an upper clamping belt rear disc belt 212 is driven by an upper clamping belt disc linkage belt 208, an upper clamping belt disc rear disc main shaft synchronous pulley 215 and an upper clamping belt rear disc driving pulley 214, a lower driving motor 221 rotates anticlockwise, a lower clamping belt rear disc belt 225 is driven by a lower disc driving motor synchronous pulley 220, a lower disc driving motor synchronous belt 219 and a lower clamping belt rear disc driving pulley 223, and a lower clamping belt front disc belt 229 is driven by a lower clamping belt disc linkage synchronous belt 228 and a lower clamping belt front disc driving pulley 231; the upper and lower driving motors synchronously run in opposite directions, and synchronously drive the cloth 233 to run to the starting position of the sewing operation X; meanwhile, an upper head reciprocating motion motor 307 drives the upper head 102 of the sewing machine through an upper head reciprocating motion ball screw pair 306, a lower shuttle box reciprocating motion ball screw pair 316 drives the lower shuttle box 104 through a lower shuttle box reciprocating linear motion guide rail seat 315, and the sewing operation is synchronously carried out to the Y starting point position; after the cloth 233, the upper head 102 and the lower shuttle box 104 run to the starting position of the sewing operation, the multi-axis motion control system 107 of the sewing machine executes the sewing operation program, synchronously starts the special numerical control servo motor 302 for needling of the upper head 102 of the sewing machine and the lower shuttle bed rotating numerical control servo motor 310 of the lower shuttle box 104 to do the up-and-down reciprocating sewing needling motion, simultaneously, the belt clamping motion device 101 for clamping and feeding the belt clamps the cloth 233 and the reciprocating motion devices of the upper head and the lower shuttle box follow the speed and the angle position of the special numerical control servo motor 302 for needling of the upper head 102 of the sewing machine, run to the end position of the sewing operation according to the track X and the Y plane coordinate of the sewing operation program, and after the cloth runs to the end position of the sewing operation, the special numerical control servo motor 302 for needling of the upper head 102 of the sewing machine and the lower shuttle bed rotating numerical control servo motor 310 of the lower shuttle, the sewing machine multi-axis motion control system 107 executes a sewing operation IO instruction, an upper sewing thread is cut off by the upper thread cutting presser foot device 103 special for the upper machine head, a lower sewing thread is cut off by the lower shuttle box 104, after the upper and lower sewing threads are cut off, the upper sewing machine head 102 and the lower shuttle box 104 both return to the original position of the machine, meanwhile, the belt clamping motion device 101 for clamping and feeding the belt clamps the cloth 233 to operate, the cloth 233 is pushed out of the machine, after the cloth 233 is pushed out of the machine, the coordinate of the belt clamping motion device 101 for clamping and feeding the belt is reset to the original position, the cylinder rod of the air cylinder 218 is jacked up by the upper clamping belt disc lifting arm, and the clamping belt disc is linked with the upper clamping belt disc linkage lifting.

In the description of the present invention, it is to be understood that the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings and are only for convenience in describing the present invention and simplifying the description, but are not intended to indicate or imply that the indicated devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly attached, detachably attached, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.