CN210012984U

CN210012984U - Shoulder belt machine

Info

Publication number: CN210012984U
Application number: CN201920277585.XU
Authority: CN
Inventors: 陈中华
Original assignee: Changzhou Zhigu Electromechanical Technology Co Ltd
Current assignee: Changzhou Zhigu Electromechanical Technology Co Ltd
Priority date: 2019-03-05
Filing date: 2019-03-05
Publication date: 2020-02-04
Anticipated expiration: 2029-03-05

Abstract

The utility model discloses a shoulder belt machine, including workstation subassembly and sewing subassembly. The key points are as follows: the automatic material feeding device further comprises a feeding assembly, a first material clamping assembly, a material cutting assembly, a turning assembly and a feeding assembly. The feeding assembly comprises a mounting plate, a feeding driving mechanism and a pressing roller mechanism. The mounting plate is vertically and fixedly arranged on the right part of the workbench plate along the front-back direction. The feeding driving mechanism and the press roller mechanism are both arranged on the mounting plate, and the press roller mechanism is driven by the feeding driving mechanism to carry out active feeding of the shoulder belt. The first material clamping assembly is used for clamping and fixing the shoulder belt. First material clamping component sets up on material loading component's mounting panel. The blanking assembly is arranged on the mounting plate of the feeding assembly and used for cutting off the shoulder belt. The turnover component is used for folding the shoulder strap into a ring shape with a forward opening. The feeding component is used for feeding the annular shoulder belt to the sewing machine head, and the sewing component sews two ends of the annular shoulder belt on corresponding clothing materials.

Description

Shoulder belt machine

Technical Field

The utility model relates to a sewing processing equipment field specifically is a make up equipment for making up clothing baldric.

Background

Generally, the clothes are dried after being washed with water. However, when the neckline of the clothes is large, the clothes are easy to slip and drop when being hung by the clothes hanger, so that manufacturers can sew a circular shoulder strap (also called as a clothes-drying strap) on each shoulder of the clothes, and hang the clothes by the shoulder strap. In addition, a skirt of a woman cannot be aired and hung through a clothes hanger generally, and can only be aired and hung by clamping the skirt through a clothes hanger with clamps (a clothes hanger for clamping trousers), but the clamps clamp and dry the skirt, so that the skirt is easy to be pinched and damaged, especially high-grade cloth such as silk, and the skirt is generally stored in a hanging mode to keep flat, so that crease marks caused by folding are avoided, and therefore, manufacturers can also sew a ring-shaped belt on the left side and the right side of the skirt respectively to be used for airing and hanging the skirt. Some heavier clothes (such as sweaters) are heavy after being cleaned, are easy to be pulled and deformed when being aired and hung, and manufacturers can also sew shoulder straps which are wound into a ring on the shoulders at the two sides of the clothes for airing and hanging, can transfer stress and prevent the neckline from being pulled and deformed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a shoulder strap machine that is used for clothing to shoulder and makes up that simple structure, degree of automation are higher.

Realize the utility model discloses the basic technical scheme of purpose is: a shoulder strap machine includes a table assembly and a sewing assembly. The workbench component comprises a rack and a workbench plate, and the workbench plate is arranged on the rack. The sewing assembly includes a sewing machine head and a presser foot. The sewing machine head is fixedly arranged on the middle part of the working table plate along the front-back direction. The presser foot is arranged on the sewing machine head. The structure is characterized in that: the automatic material feeding device further comprises a feeding assembly, a first material clamping assembly, a material cutting assembly, a turning assembly and a feeding assembly. The left side of the lower part of the sewing machine head is hinged with the working table. The feeding assembly comprises a mounting plate, a feeding driving mechanism and a pressing roller mechanism. The mounting plate is vertically and fixedly arranged on the right part of the workbench plate along the front-back direction. The feeding driving mechanism and the press roller mechanism are both arranged on the mounting plate, and the press roller mechanism is driven by the feeding driving mechanism to carry out active feeding of the shoulder belt. The first material clamping assembly is used for clamping and fixing the shoulder belt. First material clamping component sets up on material loading component's mounting panel. The blanking assembly is arranged on the mounting plate of the feeding assembly and used for cutting off the shoulder belt. The turnover component is used for folding the shoulder strap into a ring shape with a forward opening. The feeding component is used for feeding the annular shoulder belt to the sewing machine head, and the sewing component sews two ends of the annular shoulder belt on corresponding clothing materials.

The technical scheme based on the basic technical scheme is as follows: also comprises a material pulling component. The pulling assembly is used for keeping the ring formed by the shoulder belt in a horizontally tensioned state.

The technical scheme based on the corresponding technical schemes is as follows: the table assembly further includes a platen lift mechanism. The working table plate is fixedly arranged on the rack through a table plate lifting mechanism, and the height of the working table plate can be adjusted through the table plate lifting mechanism.

The technical scheme based on the corresponding technical schemes is as follows: the bedplate lifting mechanism comprises a lifting connecting frame, a worm and gear box, a worm shaft, a crank, a gear and a rack. The left part and the right part of the lifting connecting frame are respectively arranged on the left part and the right part of the rack in a sliding manner along the vertical direction. The left part and the right part of the lifting connecting frame are respectively provided with a rack, and the racks are arranged along the vertical direction. The worm gear box is fixedly arranged on the frame. The worm shaft is arranged on the rack in a left-right rotating mode and is driven to rotate by a worm wheel of the worm gear box. The crank drive is arranged on the worm of the worm gear box. The left end and the right end of the worm shaft are respectively provided with a gear in a transmission way. The gears at the left and right ends of the worm shaft are respectively meshed with corresponding racks on the left part and the right part of the lifting connecting frame. The working table plate is fixedly arranged on the lifting connecting frame.

The technical scheme based on the corresponding technical schemes is as follows: the feeding driving mechanism of the feeding assembly comprises a feeding driving motor, a feeding first synchronous belt wheel, a feeding second synchronous belt wheel and a feeding first synchronous belt. The feeding driving motor adopts a stepping motor. The feeding driving motor is fixedly arranged on the front part of the right side of the mounting plate through a motor shell of the feeding driving motor, and a motor shaft of the feeding driving motor faces the left side. The first synchronous belt pulley transmission of material loading sets up on the motor shaft of material loading driving motor. The compression roller mechanism comprises a compression roller fixing seat, a compression roller adjusting seat, a compression roller driving shaft, a first compression roller, a second compression roller, a first linear guide rail, a first compression spring and a first adjusting cylinder. The compression roller fixing seat is fixedly arranged on the front portion of the left side of the mounting plate. The compression roller driving shaft is arranged on the front portion of the compression roller fixing seat in a left-right rotating mode, and the right end of the compression roller driving shaft penetrates through the mounting plate rightwards. The feeding second synchronous belt wheel is arranged at the right end of the compression roller driving shaft in a transmission mode, and the feeding first synchronous belt is arranged around the feeding first synchronous belt wheel and the feeding second synchronous belt wheel. The first press roller transmission is arranged on the press roller driving shaft. The feeding driving motor drives the first compression roller to rotate. The second compression roller is arranged on the lower part of the compression roller adjusting seat in a left-right rotating mode and is positioned in front of the first compression roller. The first linear guide rail is fixedly arranged on the front portion of the left side of the mounting plate in the front-back direction through the guide rail and is located above the compression roller fixing seat, and the compression roller adjusting seat is fixedly arranged on a sliding block of the first linear guide rail. The cylinder body of the first adjusting cylinder is fixedly arranged on the compression roller adjusting seat, the piston rod of the first adjusting cylinder extends backwards and can prop against the corresponding fixed top plate arranged on the mounting plate, so that the compression roller adjusting seat moves forwards, and the compression roller adjusting seat drives the second compression roller to be separated from the first compression roller forwards. The first compression spring is arranged between the fixed top plate and the rear part of the compression roller adjusting seat in the front-back direction, and the first compression spring is used for enabling the compression roller adjusting seat to move backwards along the first linear guide rail.

The technical scheme based on the corresponding technical schemes is as follows: the feeding assembly further comprises a detection adjusting mechanism. The detection adjusting mechanism is used for detecting the joints on the shoulder straps and detecting that the joints on the shoulder straps stop automatically. The detection and adjustment mechanism can also be used for manually controlling the shutdown.

The technical scheme based on the corresponding technical schemes is as follows: the detection adjusting mechanism comprises a tape threading mounting seat, a tape threading seat pressing plate, a tape threading linear guide rail, a second compression spring and a first detection light eye. The tape threading mounting seat is fixedly arranged on the rear part of the upper side of the compression roller fixing seat. The threading linear guide rail is fixedly arranged on the threading mounting seat along the vertical direction. The tape threading seat is fixedly arranged on the sliding block of the tape threading linear guide rail. The front side of the belt threading seat is provided with a belt threading groove with a forward opening penetrating through the upper part and the lower part. The tape threading seat pressing plate is fixedly arranged on the front side of the tape threading seat and covers the tape threading groove from the front. The upper part of the threading seat is provided with a photo eye detection part which protrudes upwards. The first detection light eye is fixedly arranged on the upper part of the threading mounting seat along the front-back direction. The second compression spring is arranged between the compression roller fixing seat and the tape threading seat and used for enabling the tape threading seat to move upwards along the tape threading linear guide rails 3-44, enabling the photo eye detection part of the tape threading seat to be located in front of the first detection photo eye, enabling the equipment to be in a working state when the first detection photo eye detects the photo eye detection part, and enabling the equipment to be automatically stopped when the tape threading seat moves downwards and the first detection photo eye cannot detect the photo eye detection part.

The technical scheme based on the corresponding technical schemes is as follows: the feeding assembly further comprises a discharging mechanism. The discharging mechanism comprises a discharging seat, a charging tray shaft and a winding belt shaft. The material placing seat is fixedly arranged on the upper part of the mounting plate. The charging tray axle is along controlling to fixed setting on the rear portion of blowing seat, and the charging tray is epaxial to be equipped with 2 spacing seats, and the distance between 2 spacing seats can be adjusted, and 2 spacing seats 3 are used for the restriction to shoulder the position about the charging tray is epaxial in the charging tray. The belt winding shafts are provided with a group, the group of belt winding shafts are sequentially and fixedly arranged on the discharging seat from front to back, and each belt winding shaft is arranged along the left and right directions. Be located the most preceding one and be equipped with 2 retaining rings on the winding belt axle, the distance between 2 retaining rings can be adjusted, adjusts the distance between two retaining rings and suits with the width of baldric during the use.

The technical scheme based on the corresponding technical schemes is as follows: the first material clamping assembly comprises an upper fixed pressing plate, a lower pressing plate and a lower pressing plate driving mechanism. The upper fixed pressing plate is fixedly arranged on the left side of the front part of the mounting plate of the feeding assembly. The lower pressing plate driving mechanism is fixedly arranged on the left side of the front part of the mounting plate of the feeding assembly, and drives the lower pressing plate to move up and down to form a corresponding material clamping and clamping mechanism with the upper fixing pressing plate.

The technical scheme based on the corresponding technical schemes is as follows: the first clamping assembly further comprises a wire passing frame. The wire passing frame is fixedly arranged on the left side of the front part of the mounting plate of the feeding assembly. The left side of the front part of the wire passing frame is provided with a first wire passing shaft in the left-right direction, the first wire passing shaft is provided with two check rings, and the distance between the two check rings can be adjusted. A second wire passing shaft is arranged on the left side of the rear portion of the wire passing frame in the left-right direction, two retaining rings are arranged on the second wire passing shaft, and the distance between the two retaining rings can be adjusted. A group of wire passing rods are sequentially arranged between the first wire passing shaft and the second wire passing shaft on the wire passing frame from front to back. The upper fixed pressing plate is fixedly arranged on the left side of the rear part of the wire passing frame and extends leftwards. The upper fixing pressing plate is positioned between the second wire passing shaft and the last wire passing rod. The lower pressing plate driving mechanism adopts a cylinder driving mode, is fixedly arranged on the left side of the front part of the mounting plate of the feeding assembly by a cylinder body of the lower pressing plate driving mechanism and is positioned below the upper fixed pressing plate, and a piston rod of the lower pressing plate driving mechanism extends upwards. The lower pressing plate is fixedly arranged on a mounting plate on a piston rod of the lower pressing plate driving mechanism, so that the lower pressing plate is driven by the lower pressing plate driving mechanism to move up and down, and the lower pressing plate and the upper fixing pressing plate form a corresponding material clamping mechanism.

The technical scheme based on the corresponding technical schemes is as follows: the material cutting assembly comprises an ultrasonic welding head, a welding head guide assembly, a welding head driving mechanism, an upper cutter guide assembly, an upper cutter driving mechanism, an upper pressing block, a cutter buffer spring, a material cutting assembly lower mounting seat and a material cutting assembly upper mounting seat. The welding head driving mechanism drives the ultrasonic welding head to move up and down along the welding head guide assembly. The mounting seat is fixedly arranged on the front portion of the right side of the mounting plate on the blanking assembly. The upper cutter driving mechanism drives the upper cutter to move up and down along the upper cutter guide assembly to form a shearing mechanism with the ultrasonic welding head. The lower end section of the upper cutter is V-shaped. The upper pressing block is arranged on the rear side face of the pressing block mounting seat in a vertically sliding mode through two shaft position screws, the cutter buffer spring is arranged between the upper portion of the upper pressing block and the rear portion of the upper cutter, the cutter buffer spring enables the upper pressing block to slide downwards, and the lower end face of the upper pressing block is lower than the lowest end of the upper cutter.

The technical scheme based on the corresponding technical schemes is as follows: the overturning assembly comprises an overturning mechanical arm, a mechanical arm driving mechanism and a mechanical arm guiding assembly. The turnover manipulator adopts a swing pneumatic claw. The gas claw of the turnover manipulator swings 180 degrees in a turnover way. And a coil groove is arranged at the lower part of the mounting plate of the feeding assembly. The coil trough is arranged along the front-back direction and penetrates through the mounting plate to the left and right. The manipulator driving mechanism drives the turnover manipulator to move back and forth along the manipulator guide assembly. And the pneumatic claw of the turnover manipulator extends leftwards from the coil trough of the mounting plate of the feeding assembly to the outside of the left side of the mounting plate.

The technical scheme based on the corresponding technical schemes is as follows: the feeding assembly comprises a feeding mounting seat, a feeding clamping assembly, a feeding driving mechanism and a feeding guide assembly. The feeding mounting seat is fixedly arranged in the front part of the sewing machine head along the left-right direction. The feeding guide assembly is arranged on the feeding mounting seat. The feeding clamping assembly comprises a lower clamping plate, an upper clamping plate, a clamping plate driving cylinder, a clamping plate guiding cylinder and a linear bearing. The lower clamping plate is fixedly arranged on the lower part of the clamping component mounting seat, and the lower clamping part is arranged in a protruding mode towards the right. The upper clamping plate is provided with an upper clamping part which protrudes rightwards and corresponds to the lower clamping part of the lower clamping plate. The linear bearing of the feeding clamping assembly is fixedly arranged in the clamping assembly mounting seat, the clamping plate guide cylinder is arranged in the linear bearing in a vertically sliding mode, and the lower end of the clamping plate guide cylinder is fixedly connected with the upper clamping plate. The clamping plate driving cylinder is fixedly arranged on the right side of the clamping component mounting seat through a cylinder body, and a piston rod of the clamping plate driving cylinder extends downwards. The upper clamping plate is fixedly connected with a mounting plate on a piston rod of the clamping plate driving cylinder, so that the clamping plate driving cylinder drives the upper clamping plate to move up and down, and the upper clamping part of the upper clamping plate and the lower clamping part of the lower clamping plate form a corresponding clamping mechanism. The feeding driving mechanism drives the feeding clamping assembly to move left and right along the feeding guide assembly to feed.

The technical scheme based on the corresponding technical schemes is as follows: still include the book material subassembly. The front and back sections of the presser foot are in a U shape with a downward opening. And the lower clamping part of the lower clamping plate of the feeding clamping assembly is provided with a blowing hole for blowing air towards the front, and the blowing hole is communicated with a corresponding air source through an air pipe. The material folding component comprises a material folding clamp, a material folding turnover device, a material folding driving mechanism, a material folding guide component and a material folding mounting seat. The material folding clamp is in a U shape with a right opening. The material folding guide assembly is arranged on the material folding mounting seat. The material folding mounting seat is fixedly arranged on the left part of the feeding mounting seat of the feeding assembly, and the front part of the material folding mounting seat extends forwards and is arranged in a suspending way. The material folding and overturning device comprises a swing cylinder, an installation shaft and an overturning device installation seat. The swing cylinder is fixedly arranged on the mounting seat of the turnover device, and the output shaft of the swing cylinder faces the right. The installation axle is along controlling to rotating the setting on the turning device mount pad, and the left end of installation axle is connected with the output shaft transmission of swing cylinder through corresponding shaft coupling. The material folding clamp is fixedly arranged at the right end of the mounting shaft. The material folding and turning device is driven by the material folding driving mechanism to move left and right along the material folding guide assembly.

The technical scheme based on the corresponding technical schemes is as follows: the material pulling assembly comprises a material pulling front and rear driving mechanism, a material pulling front and rear guide assembly, a material pulling left and right driving mechanism, a material pulling left and right guide assembly and a material pulling arm. The left side of the lower part of the material pulling arm is provided with a material pulling cross rod which is horizontally arranged along the left-right direction. The material pulling arm is driven by the material pulling front-back driving mechanism to move back and forth along the material pulling front-back guide assembly, and the material pulling arm is driven by the material pulling left-right driving mechanism to move left and right along the material pulling left-right guide assembly. The material pulling cross rod is used for extending into a ring formed by the shoulder belt and pulling the ring formed by the shoulder belt backwards into a horizontal tensioning state.

The technical scheme based on the corresponding technical schemes is as follows: the upper part of the mounting plate of the feeding assembly is provided with a material pulling groove. The material pulling groove is arranged in the front-back direction and penetrates through the mounting plate to the left and right. The material pulling front-and-back driving mechanism comprises a material pulling motor, a first material pulling synchronous belt wheel, a second material pulling synchronous belt wheel, a material pulling synchronous belt and a first material pulling mounting seat. The material pulling motor adopts a stepping motor. The material pulling motor is fixedly arranged on the rear part of the right side of the mounting plate of the material feeding assembly through a motor shell of the material pulling motor, and a motor shaft of the material pulling motor is arranged towards the left. The first material pulling synchronous belt wheel is arranged on a motor shaft of the material pulling motor in a transmission manner. The second draws material synchronous pulley to rotate and sets up on the right side front portion of the mounting panel of material loading subassembly, draws material synchronous belt 4 around first drawing material synchronous pulley and second to draw material synchronous pulley setting. Draw material front and back direction subassembly to include 1 linear guide, linear guide is by its guide rail along fixed setting on the right side of the mounting panel of material loading subassembly around to, draws the fixed setting of first mount pad of material on linear guide's slider. The first material pulling mounting base is in transmission connection with a material pulling synchronous belt through a synchronous belt clamp, so that the first material pulling mounting base is driven by a material pulling motor to move back and forth along a linear guide rail of the material pulling front and back guide assembly through the material pulling synchronous belt. The left and right material pulling driving mechanism comprises a material pulling cylinder and a material pulling arm seat. The material pulling cylinder is fixedly arranged on the material pulling first mounting seat from left to right, a piston rod of the material pulling cylinder extends leftwards, and the left end of the piston rod of the material pulling cylinder is fixedly connected with the material pulling arm seat.

Draw material left and right sides direction subassembly includes 1 linear guide, and linear guide is by its guide rail along controlling to fixed setting on drawing material first mount pad of actuating mechanism around drawing the material, draws the fixed setting of material arm seat on linear guide's slider. Thereby the material pulling cylinder drives the material pulling arm seat to move left and right along the linear guide rail of the material pulling left and right guide assembly. The left part of the material pulling arm seat extends out of the material pulling groove of the mounting plate of the feeding assembly to the left side of the mounting plate. Draw the material arm along fixed setting in the vertical direction on the left end of drawing the material arm seat, be located the left of the mounting panel of material loading subassembly, draw material arm lower part left side to be equipped with and draw the material horizontal pole, draw the material horizontal pole along controlling to the level setting. The material pulling cross rod is positioned on the left of the middle part of the coil trough of the mounting plate of the feeding assembly.

The utility model discloses following beneficial effect has: (1) the utility model discloses a shoulder machine simple structure has realized that automatic feeding, automatic roll over into annular, autoloading and automatic will connect and overturn, only needs the manual work to put the corresponding cloth of waiting to make up and can make up, degree of automation on the baldric. The shoulder strap machine of the utility model can also be used for sewing the shoulder straps (also called straps) of the shoulder-strap shirt.

(2) The working table plate of the working table component of the shoulder strap machine is fixedly arranged on the frame through the table plate lifting mechanism, the height of the working table plate can be adjusted to adapt to operators with different heights, and the adaptability is strong; the adjustment is carried out through the crank, so that the adjustment is convenient; the bedplate lifting mechanism adopts a worm gear box structure and has a self-locking function.

(3) The utility model discloses a material loading subassembly of baldric machine is equipped with drop feed mechanism, drop feed mechanism is located the most ahead one and is equipped with 2 retaining rings on the axle around the area, and the distance between 2 retaining rings can be adjusted in order to adapt to the baldric of different width, carries out the ascending spacing of axle to the baldric, plays corresponding guide effect, and the position of wearing the basin on the detection adjustment mechanism's of messenger's baldric and below wearing the area seat is corresponding in the upper and lower direction, is favorable to the feeding smoothly and is difficult for leading to the fact the damage to the baldric.

(4) The lap shoulder strap has the joint department, the thickness of joint department is greater than the degree of depth of wearing the belting groove of wearing the belting seat that detects adjustment mechanism, joint department can not be through wearing the belting groove, because the resistance can drive wearing the belting seat downstream, thereby first detection light eye can not detect the light eye detection portion of wearing the belting seat, equipment auto-stop, the workman wears the area start again after cutting off joint department, avoided making up joint department on the clothing and lead to the substandard product to produce, yield and production efficiency have been improved. The belt seat can be manually pressed downwards to stop the equipment.

(5) The utility model discloses a compression roller mechanism of material loading subassembly of baldric machine is equipped with first adjust cylinder, piston rod through first adjust cylinder stretches out backward and withstands fixed roof, it is preceding to drive the compression roller through the cylinder body and adjust the seat, thereby make the second compression roller move forward and open certain distance between the first compression roller, be convenient for pass the baldric this moment, after the baldric passes, make the compression roller adjust the seat along first linear guide rail rearward movement through first compression spring, thereby make the second compression roller compress tightly the baldric on first compression roller, and will baldric down transport under the rotation effect of first compression roller, it is convenient to wear the baldric, and carry the good reliability.

(6) The utility model discloses a shoulder the machine and be equipped with first material subassembly that presss from both sides, first material subassembly that presss from both sides is equipped with the line frame, can play the guide effect to the baldric on the one hand, and on the other hand enables to shoulder and keeps certain rate of tension, ensures that the length of the baldric of being pulled out is accurate, is difficult for retracting, ensures that follow-up material of getting is smooth, raises the efficiency.

(7) The utility model discloses a shoulder the machine and be equipped with first clamp material subassembly, the holding down plate forms corresponding double-layered material fixture with last holding plate, can press from both sides the fastening with the shoulder tape and fix, and it is stable to press from both sides the material, is favorable to keeping the rate of tension when cutting off on the one hand, makes the incision level and smooth, and on the other hand will cut the end of baldric after fixed, the next material of getting of being convenient for realizes continuity of operation.

(8) The utility model discloses a baldric machine is equipped with the blank subassembly, and the blank subassembly is equipped with the compact heap, can compress tightly the baldric and fix on ultrasonic bonding head's upper end, keeps the good rate of tension of baldric, guarantees to go up the cutter and cuts smoothly and be favorable to improving notched roughness. Adopt ultrasonic bonding head to guarantee that the incision is level and smooth, with deckle edge ironing press receipts limit, increase of service life improves comfort and pleasing to the eye degree simultaneously. After the shearing is finished, the ultrasonic welding head can descend, and the overturning assembly can conveniently take materials next time.

(9) The utility model discloses a shoulder the machine and be equipped with and draw material mechanism, the annular that enables to shoulder the formation keeps horizontal tensioning state, and the lower plate centre gripping of the pay-off centre gripping subassembly of being convenient for are got the material.

(10) The utility model discloses a shoulder machine is equipped with the upset subassembly, can piece into the annular through the upset subassembly with the upset of baldric, simple structure, and is efficient.

(11) The utility model discloses a shoulder the machine and be equipped with the pay-off subassembly, the lower clamping part of the lower plate of the pay-off centre gripping subassembly of pay-off subassembly is equipped with the hole of blowing towards the place ahead gas of blowing to make the anterior both ends head of the annular after shearing keep the level through the air current, the book material clamp of being convenient for book material subassembly inserts, simple structure, and the use good reliability is favorable to improving the male degree of accuracy and speed.

(12) The utility model discloses an it is equipped with the material subassembly to roll over, is applicable to and makes the higher high-grade clothing of requirement, through roll over the material clamp make the anterior both ends head of annular baldric overturn 270 degrees backward from the top, the rear portion of baldric is pressed tightly on the corresponding part of baldric by the end that is located the rear side in the both ends head of the U-shaped of roll over the material clamp, is favorable to improving the roughness of making up.

Drawings

FIG. 1 is a schematic view of the shoulder strap machine of the present invention;

FIG. 2 is a left side schematic view of FIG. 1;

FIG. 3 is a schematic top view of FIG. 1;

FIG. 4 is a schematic view from the front left upper side of FIG. 1;

FIG. 5 is a schematic view from the front left lower side of FIG. 1 with the respective shields of the various components removed;

FIG. 6 is a schematic view of the components of FIG. 1 with the corresponding shields removed, as viewed from the upper right front;

FIG. 7 is an enlarged schematic view of the table assembly shown in FIG. 1 with the table plate removed;

FIG. 8 is an enlarged schematic view of the elevating link frame of the table assembly as viewed from the upper right front of FIG. 1;

FIG. 9 is an enlarged schematic structural view of the feeding assembly, the first clamping assembly, the cutting assembly, the pulling assembly and the turning assembly in FIG. 2;

fig. 10 is an enlarged schematic structural view of the feeding assembly, the first clamping assembly, the cutting assembly, the pulling assembly and the turning assembly when viewed from the right side of fig. 1;

FIG. 11 is an enlarged schematic structural view of the feeding assembly, the first clamping assembly, the cutting assembly, the pulling assembly and the turning assembly when viewed from the front left upper side of FIG. 1;

FIG. 12 is an enlarged schematic structural view of the structures of the feeding assembly, the first clamping assembly, the blanking assembly, the pulling assembly and the overturning assembly when viewed from the upper right front of FIG. 1;

FIG. 13 is an enlarged schematic structural view of the mounting plates of the first clamping assembly and the loading assembly as viewed from the front left upper side of FIG. 1;

FIG. 14 is an enlarged schematic view of the blanking assembly as viewed from the left rear upper side of FIG. 1;

FIG. 15 is an enlarged schematic structural view of the platen mechanism and the detection adjustment mechanism of the feeding assembly as viewed from the upper left front side of FIG. 1;

FIG. 16 is an enlarged schematic structural view of the platen mechanism and the detection adjustment mechanism of the feeding assembly as viewed from the upper right front of FIG. 1;

FIG. 17 is an enlarged schematic view of the pulling assembly as viewed from the front left of FIG. 1;

FIG. 18 is an enlarged schematic structural view of the invert robot and robot mount of the invert assembly as viewed from the top left front of FIG. 1;

fig. 19 is an enlarged schematic view of the feed assembly and the folder assembly as viewed from the front left upper side of fig. 1.

The reference numbers in the drawings are:

a workbench component 1, a frame 1-1, a workbench plate 1-2, a workbench plate lifting mechanism 1-3, a lifting connecting frame 1-31, a worm and gear box 1-32, a worm shaft 1-33, a crank 1-34, a gear 1-35, a rack 1-36,

a sewing assembly 2, a sewing head 21, a presser foot 22,

a feeding component 3, a mounting plate 3-1, a fixed top plate 3-11, a material pulling groove 3-1a, a coil groove 3-1b, a feeding component protective cover 3-1-1, a feeding driving mechanism 3-2, a feeding driving motor 3-21, a feeding first synchronous belt wheel 3-22, a feeding second synchronous belt wheel 3-23, a feeding first synchronous belt 3-24, a press roller mechanism 3-3, a press roller fixing seat 3-31, a press roller adjusting seat 3-32, a press roller driving shaft 3-33, a first press roller 3-34, a second press roller 3-35, a first linear guide rail 3-36, a first compression spring 3-37, a first adjusting cylinder 3-38, a detection adjusting mechanism 3-4, a belt threading mounting seat 3-41 and a belt threading seat 3-42, 3-42-1 of a threading groove, 3-42-2 of a photoeye detection part, 3-43 of a threading seat pressing plate, 3-44 of a threading linear guide rail, 3-45 of a second compression spring, 3-46 of a first detection photoeye, 3-5 of a discharging mechanism, 3-51 of a discharging seat, 3-52 of a material tray shaft, 3-52-1 of a limiting seat, 3-53 of a winding belt shaft,

a first clamping component 4, a wire passing frame 41, a first wire passing shaft 41-1, a second wire passing shaft 41-2, a wire passing rod 41-3, an upper fixed pressing plate 42, a lower pressing plate 43, a lower pressing plate driving mechanism 44,

a blank component 5, an ultrasonic welding head 5-1, a welding head mounting seat 5-1a, a welding head guide component 5-2, a welding head driving mechanism 5-3, an upper cutter 5-4, an upper cutter guide component 5-5, an upper cutter driving mechanism 5-6, an upper pressing block 5-7, a cutter mounting seat 5-7a, a cutter buffer spring 5-8, a blank component lower mounting seat 5-9, a blank component upper mounting seat 5-10 and a welding head protective cover 5-11,

a material pulling component 6, a material pulling front and back driving mechanism 61, a material pulling motor 61-1, a first material pulling synchronous belt wheel 61-2, a second material pulling synchronous belt wheel 61-3, a material pulling synchronous belt 61-4, a first material pulling mounting seat 61-5, a material pulling front and back guide component 62, a material pulling left and right driving mechanism 63, a material pulling cylinder 63-1, a material pulling arm seat 63-2, a material pulling left and right guide component 64, a material pulling arm 65 and a material pulling cross rod 65-1,

the overturning mechanism comprises an overturning component 7, an overturning manipulator 71, a gas claw 71-1, a manipulator driving mechanism 72, a manipulator driving motor 72-1, a manipulator first synchronous pulley 72-2, a manipulator second synchronous pulley 72-3, a manipulator driving synchronous belt 72-4, a manipulator mounting seat 72-5, a manipulator guide component 73,

a feeding component 8, a feeding mounting seat 81, a feeding clamping component 82, a lower clamping plate 82-1, a lower clamping part 82-11, an air blowing hole 82-11a, an upper clamping plate 82-2, an upper clamping part 82-21, a clamping plate driving air cylinder 82-3, a clamping plate guiding cylinder 82-4, a feeding driving mechanism 83, a feeding driving motor 83-1, a feeding first synchronous belt wheel 83-2, a feeding second synchronous belt wheel 83-3, a feeding driving synchronous belt 83-4, a clamping component mounting seat 83-5 and a feeding guiding component 84,

the device comprises a material folding assembly 9, a material folding clamp 91, a material folding turnover device 92, a swing cylinder 92-1, a mounting shaft 92-2, a turnover device mounting seat 92-3, a turnover device protective cover 92-4, a material folding driving mechanism 93, a material folding guide assembly 94, a material folding mounting seat 95 and an air pipe 200.

Detailed Description

In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings. The description of the orientation of the utility model is performed according to the orientation shown in fig. 1, that is, the up-down left-right direction shown in fig. 1 is the up-down left-right direction of the description, the side towards which fig. 1 faces is the front side, and the side departing from fig. 1 is the rear side.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present invention, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.

It should be understood that the terms "upper", "lower", "inner", "outer", etc. indicate orientations or positional relationships based on the positional relationships illustrated in the drawings, and are used only for convenience in describing the present invention or simplifying the description, but do not indicate that a particular orientation must be provided.

(example 1)

Referring to fig. 1 to 19, the shoulder strap machine of the present invention comprises a worktable assembly 1, a sewing assembly 2, a feeding assembly 3, a first material clamping assembly 4, a material cutting assembly 5, a material pulling assembly 6, a turning assembly 7, a material feeding assembly 8 and a material folding assembly 9.

Referring to fig. 1 to 8, the workbench assembly 1 comprises a frame 1-1, a workbench plate 1-2 and a workbench lifting mechanism 1-3. The working table plate 1-2 is fixedly arranged on the frame 1-1 through a table plate lifting mechanism 1-3, and the height of the working table plate 1-2 can be adjusted through the table plate lifting mechanism 1-3. The bedplate lifting mechanism 1-3 comprises a lifting connecting frame 1-31, a worm and gear box 1-32, a worm shaft 1-33, a crank 1-34, a gear 1-35 and a rack 1-36. The left part and the right part of the lifting connecting frame 1-31 are respectively arranged on the left part and the right part of the machine frame 1-1 in a sliding manner along the up-down direction. The left part and the right part of the lifting connecting frame 1-31 are respectively provided with a rack 1-36, and the racks 1-36 are arranged along the vertical direction. The worm gear box 1-32 is fixedly arranged on the frame 1-1. The worm shafts 1-33 are arranged on the machine frame 1-1 in a left-right rotating way, and the worm shafts 1-33 are driven to rotate by the worm wheels of the worm gear box 1-32. The crank 1-34 is arranged on the worm of the worm gear box 1-32 in a transmission way. So that the worm rotates by rotating the crank handles 1-34, the worm drives the worm wheel to rotate, and the worm wheel drives the worm shafts 1-33 to rotate. The left end and the right end of the worm shaft 1-33 are respectively provided with a gear 1-35 in a transmission way. The gears 1-35 at the left and right ends of the worm shaft 1-33 are respectively meshed with the corresponding racks 1-36 on the left and right parts of the lifting connecting frame 1-31. The working table plate 1-2 is fixedly arranged on the lifting connecting frame 1-31.

Referring to fig. 1-6, the sewing assembly 2 includes a sewing head 21 and a presser foot 22. The sewing machine head 21 is fixedly arranged on the middle part of the working table plate 1-2 along the front-back direction. The left side of the lower part of the sewing machine head 21 is hinged with the working table plate 1-2, so that the sewing machine head 21 can be overturned leftwards, and the maintenance is convenient. The presser foot 22 is provided on the sewing machine head 21, and the cross section of the presser foot 22 in the front-rear direction is in a U shape with an opening facing downward.

Referring to fig. 1 to 6, 9 to 12, 15 and 16, the feeding assembly 3 comprises a mounting plate 3-1, a feeding driving mechanism 3-2, a press roller mechanism 3-3, a detection adjusting mechanism 3-4 and a discharging mechanism 3-5.

The mounting plate 3-1 is vertically and fixedly arranged on the right part of the working table plate 1-2 along the front-back direction. The mounting plate 3-1 is sequentially provided with a material pulling groove 3-1a and a material rolling groove 3-1b from top to bottom. The pulling trough 3-1a and the winding trough 3-1b are arranged in the front-back direction and penetrate through the mounting plate 3-1 left and right. The right part of the mounting plate 3-1 is provided with a feeding assembly protective cover 3-1-1.

The feeding driving mechanism 3-2 comprises a feeding driving motor 3-21, a feeding first synchronous belt wheel 3-22, a feeding second synchronous belt wheel 3-23 and a feeding first synchronous belt 3-24.

The feeding driving motor 3-21 adopts a stepping motor, the feeding driving motor 3-21 is fixedly arranged on the front part of the right side of the mounting plate 3-1 by a motor shell, and a motor shaft of the feeding driving motor is arranged towards the left. The feeding first synchronous belt wheel 3-22 is arranged on a motor shaft of the feeding driving motor 3-21 in a transmission way.

The press roll mechanism 3-3 comprises a press roll fixing seat 3-31, a press roll adjusting seat 3-32, a press roll driving shaft 3-33, a first press roll 3-34, a second press roll 3-35, a first linear guide rail 3-36, a first compression spring 3-37 and a first adjusting cylinder 3-38.

The compression roller fixing seat 3-31 is fixedly arranged on the front part of the left side of the mounting plate 3-1. The compression roller driving shaft 3-33 is arranged on the front part of the compression roller fixing seat 3-31 in a left-right rotating mode, and the right end of the compression roller driving shaft penetrates through the mounting plate 3-1 rightwards. The feeding second synchronous belt wheels 3-23 are arranged at the right ends of the press roll driving shafts 3-33 in a transmission mode, and the feeding first synchronous belts 3-24 are arranged around the feeding first synchronous belt wheels 3-22 and the feeding second synchronous belt wheels 3-23. The first press roll 3-34 is arranged in driving connection with the press roll drive shaft 3-33. So that the first press roll 3-34 is driven to rotate by the feeding drive motor 3-21. The second press roll 3-35 is arranged on the lower part of the press roll adjusting seat 3-32 along the left-right direction and is positioned in front of the first press roll 3-34.

The first linear guide rail 3-36 is fixedly arranged on the front part of the left side of the mounting plate 3-1 in the front-back direction and is positioned above the compression roller fixing seat 3-31, and the compression roller adjusting seat 3-32 is fixedly arranged on a sliding block of the first linear guide rail 3-36. The first adjustment cylinders 3-38 employ the CQ2B12-5D cylinders of SMC. The first adjusting cylinder 3-38 is fixedly arranged on the press roll adjusting seat 3-32 by the cylinder body, the piston rod of the first adjusting cylinder 3-38 extends backwards and can be propped against the corresponding fixed top plate 3-11 arranged on the mounting plate 3-1, so that the press roll adjusting seat 3-32 moves forwards, the press roll adjusting seat 3-32 drives the second press roll 3-35 to separate forwards from the first press roll 3-34, and at the moment, the shoulder strap can conveniently pass through between the second press roll 3-35 and the first press roll 3-34. The first compression spring 3-37 is arranged between the fixed top plate 3-11 and the rear part of the compression roller adjusting seat 3-32 along the front-back direction, the first compression spring 3-37 is used for enabling the compression roller adjusting seat 3-32 to move backwards along the first linear guide rail 3-36, when the piston rod of the first adjusting cylinder 3-38 retracts forwards, the first compression spring 3-37 enables the second compression roller 3-35 to move backwards, and therefore the shoulder strap is pressed on the first compression roller 3-34 by the second compression roller 3-35 and conveyed downwards under the rotating action of the first compression roller 3-34.

The detection adjusting mechanism 3-4 comprises a threading installation seat 3-41, a threading seat 3-42, a threading seat pressing plate 3-43, a threading linear guide rail 3-44, a second compression spring 3-45 and a first detection photoeye 3-46.

The threading installation seat 3-41 is fixedly arranged on the rear part of the upper side of the compression roller fixing seat 3-31. The threading linear guide rail 3-44 is fixedly arranged on the threading installation seat 3-41 along the up-down direction by the guide rail. The threading seats 3-42 are fixedly arranged on the sliding blocks of the threading linear guide rails 3-44. The front side of the threading seat 3-42 is provided with a threading slot 3-42-1 which is opened forwards and penetrates through the upper part and the lower part of the threading seat. The threading seat pressing plate 3-43 is fixedly arranged on the front side of the threading seat 3-42 and covers the threading groove 3-42-1 from the front. The upper part of the threading seat 3-42 is provided with a projecting photo eye detection part 3-42-2. The first detection photoeye 3-46 is fixedly arranged on the upper part of the threading installation seat 3-41 along the front-back direction. The second compression spring 3-45 is arranged between the compression roller fixing seat 3-31 and the threading seat 3-42 and used for enabling the threading seat 3-42 to move upwards along the threading linear guide rail 3-44, enabling the photo eye detection part 3-42-2 of the threading seat 3-42 to be positioned in front of the first detection photo eye 3-46, enabling the equipment to be in a working state when the first detection photo eye 3-46 detects the photo eye detection part 3-42-2, and automatically stopping the equipment when the threading seat 3-42 moves downwards and the first detection photo eye 3-46 cannot detect the photo eye detection part 3-42-2.

The discharging mechanism 3-5 comprises a discharging seat 3-51, a tray shaft 3-52 and a winding belt shaft 3-53. The discharging seat 3-51 is fixedly arranged on the upper part of the mounting plate 3-1. The material tray shaft 3-52 is fixedly arranged on the rear part of the material placing seat 3-51 along the left-right direction, 2 limiting seats 3-52-1 are arranged on the material tray shaft 3-52, the distance between the 2 limiting seats 3-52-1 can be adjusted, and the 2 limiting seats 3-52-1 are used for limiting the left-right position of the shoulder belt material tray in the axial direction of the material tray shaft 3-52. There are one set of belt winding shafts 3-53 and one set of this embodiment has 3 belt winding shafts 3-53. 3 strip winding shafts 3-53 are fixedly arranged on the material placing seat 3-51 in sequence from front to back, and the 3 strip winding shafts 3-53 are arranged along the left and right directions. The most forward one is equipped with 2 retaining rings on the spool axle 3-53, and the distance between 2 retaining rings can be adjusted, adjusts the distance between two retaining rings and suits with the width of baldric when using.

Referring to fig. 1 to 6, 9, 11 and 13, the first clamping assembly 4 includes a wire frame 41, an upper fixed platen 42, a lower platen 43 and a lower platen driving mechanism 44.

The wire passing frame 41 is fixedly arranged on the left side of the front part of the mounting plate 3-1 of the feeding assembly 3 and is positioned in front of the coil groove 3-1 b. The first wire passing shaft 41-1 is arranged on the left side of the front part of the wire passing frame 41 in the left-right direction, two check rings are arranged on the first wire passing shaft 41-1, and the distance between the two check rings can be adjusted. The left side of the rear part of the wire passing frame 41 is provided with a second wire passing shaft 41-2 in the left-right direction, the second wire passing shaft 41-2 is provided with two check rings, and the distance between the two check rings can be adjusted. A group of wire guide rods 41-3 are sequentially arranged between the first wire guide shaft 41-1 and the second wire guide shaft 41-2 on the wire guide frame 41 from front to back, and the number of the group of wire guide rods 41-3 is 5 in the embodiment.

The upper fixing pressing plate 42 is fixedly arranged on the left side of the rear part of the wire passing frame 41 and extends leftwards. The upper fixing pressing plate 42 is located between the second yarn passing shaft 41-2 and the rearmost yarn passing rod 41-3. The lower pressure plate driving mechanism 44 adopts a cylinder driving mode, and the cylinder adopts a MGJ10-10 with a guide rod cylinder of SMC. The lower pressing plate driving mechanism 44 is fixedly arranged on the left side of the front part of the mounting plate 3-1 of the feeding assembly 3 by a cylinder body thereof, is positioned below the upper fixed pressing plate 42, and a piston rod thereof extends upwards. The lower pressing plate 43 is fixedly arranged on a mounting plate on a piston rod of the lower pressing plate driving mechanism 44, so that the lower pressing plate 43 is driven by the lower pressing plate driving mechanism 44 to move up and down, and the lower pressing plate 43 and the upper fixed pressing plate 42 form a corresponding material clamping mechanism.

Referring to fig. 1 to 6, 9 to 12 and 14, the blanking assembly 5 comprises an ultrasonic welding head 5-1, a welding head guide assembly 5-2, a welding head driving mechanism 5-3, an upper cutter 5-4, an upper cutter guide assembly 5-5, an upper cutter driving mechanism 5-6, an upper pressing block 5-7, a cutter buffer spring 5-8, a blanking assembly lower mounting seat 5-9, a blanking assembly upper mounting seat 5-10 and a welding head protective cover 5-11.

The lower mounting seat 5-9 of the blanking assembly is fixedly arranged on the lower part of the front part of the mounting plate 3-1 of the feeding assembly 3. The welding head guide assembly 5-2 comprises 2 linear guide rails, the 2 linear guide rails are sequentially arranged on the left side of the lower mounting seat 5-9 of the cutting assembly from front to back, the 2 linear guide rails are fixedly arranged on the lower mounting seat 5-9 of the cutting assembly from the respective guide rails along the vertical direction, and the ultrasonic welding head 5-1 is fixedly arranged on the sliding blocks of the 2 linear guide rails through the corresponding welding head mounting seats 5-1 a. The welding head driving mechanism 5-3 adopts a cylinder driving mode, and the cylinder adopts a CD82N25-20-B double-acting cylinder of SMC. The cylinder body of the welding head driving mechanism 5-3 is fixedly arranged on the lower mounting seat 5-9 of the blanking assembly along the up-down direction, the piston rod of the cylinder body extends upwards, the upper end of the cylinder body is fixedly connected with the welding head mounting seat 5-1a, and therefore the welding head driving mechanism 5-3 drives the ultrasonic welding head 5-1 to move up and down along 2 linear guide rails of the welding head guide assembly 5-2. The upper mounting seat 5-10 of the cutting assembly is fixedly arranged on the front part of the right side of the mounting plate 3-1 and is positioned between the pulling trough 3-1a and the coiling trough 3-1 b.

The upper cutter guide assembly 5-5 comprises 1 linear guide rail, the linear guide rail is fixedly arranged on the rear side of the upper mounting seat 5-10 of the material cutting assembly along the vertical direction, and the upper cutter 5-4 is fixedly arranged on a slide block of the linear guide rail along the horizontal direction through the corresponding cutter mounting seat 5-7 a. The lower end section of the upper cutter 5-4 is V-shaped. The upper cutter driving mechanism 5-6 adopts CJP2B16-20D air cylinder of SMC. The cylinder body of the upper cutter driving mechanism 5-6 is fixedly arranged on the upper mounting seat 5-10 of the material cutting assembly along the up-down direction, the piston rod of the upper cutter driving mechanism extends downwards, the lower end of the upper cutter driving mechanism is fixedly connected with the cutter mounting seat 5-7a, and therefore the upper cutter driving mechanism 5-6 drives the upper cutter 5-4 to move up and down along the linear guide rail of the upper cutter guiding assembly 5-5 to form a shearing mechanism with the ultrasonic welding head 5-1. The upper pressing block 5-7 is arranged on the rear side face of the pressing block mounting seat 5-7a in a vertically sliding mode through two shaft position screws, the cutter buffer spring 5-8 is arranged between the upper portion of the upper pressing block 5-7 and the rear portion of the upper cutter 5-4, the cutter buffer spring 5-8 enables the upper pressing block 5-7 to slide downwards, and the lower end face of the upper pressing block 5-7 is lower than the lowest end of the upper cutter 5-4. The welding head protective covers 5-11 are fixedly arranged on the lower mounting seats 5-9 of the blanking assembly, and cover corresponding parts of corresponding components of the blanking assembly 5, which are positioned on the lower side of the working table plate 1-2, from the front, the left side and the right side, so that the safety isolation and protection effects are achieved.

Referring to fig. 1 to 6, 9 to 12 and 17, the drawing assembly 6 includes a drawing front and rear driving mechanism 61, a drawing front and rear guide assembly 62, a drawing left and right driving mechanism 63, a drawing left and right guide assembly 64 and a drawing arm 65. The material pulling arm 65 is driven by the material pulling front-back driving mechanism 61 to move back and forth along the material pulling front-back guide assembly 62, and the material pulling arm 63 is driven by the material pulling left-right driving mechanism 63 to move left and right along the material pulling left-right guide assembly 64. The material pulling front-back driving mechanism 61 comprises a material pulling motor 61-1, a first material pulling synchronous pulley 61-2, a second material pulling synchronous pulley 61-3, a material pulling synchronous belt 61-4 and a first material pulling mounting seat 61-5. The material pulling motor 61-1 adopts a stepping motor. The material pulling motor 61-1 is fixedly arranged on the rear part of the right side of the mounting plate 3-1 of the material loading assembly 3 by a motor shell, and a motor shaft of the material pulling motor faces to the left. The first material pulling synchronous belt wheel 61-2 is arranged on a motor shaft of the material pulling motor 61-1 in a transmission mode. The second material pulling synchronous pulley 61-3 is rotatably arranged on the front part of the right side of the mounting plate 3-1 of the feeding assembly 3, and the material pulling synchronous belt 61-4 is arranged around the first material pulling synchronous pulley 61-2 and the second material pulling synchronous pulley 61-3.

The material pulling front-back guide assembly 62 comprises 1 linear guide rail, the linear guide rail is fixedly arranged on the right side of the mounting plate 3-1 of the material feeding assembly 3 along the front-back direction and is positioned between the material pulling groove 3-1a and the material rolling groove 3-1b, and the material pulling first mounting seat 61-5 is fixedly arranged on a sliding block of the linear guide rail. The first material pulling installation base 61-5 is in transmission connection with a material pulling synchronous belt 61-4 through a synchronous belt clamp, so that the first material pulling installation base 61-5 is driven by the material pulling motor 61-1 through the material pulling synchronous belt 61-4 to move back and forth along a linear guide rail of the material pulling front and back guide assembly 62. The left and right material pulling driving mechanism 63 comprises a material pulling cylinder 63-1 and a material pulling arm seat 63-2. The material pulling cylinder 63-1 is a CJP2B16-10D cylinder made of SMC, the material pulling cylinder 63-1 is fixedly arranged on the material pulling first mounting seat 61-5 in the left-right direction through a cylinder body, a piston rod of the material pulling cylinder extends out to the left, and the left end of the piston rod of the material pulling cylinder 63-1 is fixedly connected with the material pulling arm seat 63-2. The left and right material pulling guide assembly 64 comprises 1 linear guide rail, the linear guide rail is fixedly arranged on a first material pulling mounting seat 61-5 of the front and rear material pulling driving mechanism 61 along the left and right directions, and a material pulling arm seat 63-2 is fixedly arranged on a sliding block of the linear guide rail. So that the material pulling cylinder 63-1 drives the material pulling arm seat 63-2 to move left and right along the linear guide rail of the material pulling left and right guide assembly 64. The left part of the material pulling arm seat 63-2 extends out of the material pulling groove 3-1a of the mounting plate 3-1 of the feeding assembly 3 to the left side of the mounting plate 3-1. The material pulling arm 65 is fixedly arranged at the left end of the material pulling arm seat 63-2 in the vertical direction and is positioned at the left side of the mounting plate 3-1 of the feeding assembly 3, the left side of the lower part of the material pulling arm 65 is provided with a material pulling cross rod 65-1, and the material pulling cross rod 65-1 is horizontally arranged in the left-right direction. The material pulling cross bar 65-1 is positioned at the left of the middle part of the coil groove 3-1b of the mounting plate 3-1 of the feeding assembly 3.

Referring to fig. 1 to 6, 9 to 12 and 18, the flipping assembly 7 includes a flipping robot 71, a robot driving mechanism 72 and a robot guide assembly 73. The flipping robot 71 swings the air jaws using the MRHQ16D-180S-N of SMC. The air claw of the turnover manipulator 71 swings 180 degrees in a turnover manner.

The manipulator driving mechanism 72 comprises a manipulator driving motor 72-1, a manipulator first synchronous pulley 72-2, a manipulator second synchronous pulley 72-3, a manipulator driving synchronous belt 72-4 and a manipulator mounting seat 72-5. The robot driving motor 72-1 is a stepping motor. The manipulator driving motor 72-1 is fixedly arranged on the rear part of the right side of the mounting plate 3-1 of the feeding assembly 3 by a motor shell, and a motor shaft of the manipulator driving motor faces to the left. The manipulator driving motor 72-1 is located below the material pulling motor 61-1 of the material pulling front-rear driving mechanism 61. The first synchronous belt wheel 72-2 of the manipulator is arranged on a motor shaft of the manipulator driving motor 72-1 in a transmission way. The second synchronous belt pulley 72-3 of the manipulator is rotatably arranged on the front part of the right side of the mounting plate 3-1 of the feeding assembly 3, and the manipulator driving synchronous belt 72-4 is arranged around the first synchronous belt pulley 72-2 of the manipulator and the second synchronous belt pulley 72-3 of the manipulator. The second synchronous belt pulley 72-3 of the manipulator is positioned below the second material pulling synchronous belt pulley 61-3 of the material pulling front-back driving mechanism 61.

The manipulator guide assembly 73 comprises 1 linear guide rail, the linear guide rail is fixedly arranged on the right side of the mounting plate 3-1 of the feeding assembly 3 along the front-back direction and is positioned below the coil trough 3-1b, and the manipulator mounting seat 72-5 is fixedly arranged on a slide block of the linear guide rail. The robot mount 72-5 is drivingly connected to the robot driving timing belt 72-4 through a timing belt clip, so that the robot drive motor 72-1 drives the robot mount 72-5 to move back and forth along the linear guide of the robot guide assembly 73 through the robot driving timing belt 72-4. The overturning manipulator 71 is fixedly arranged on a manipulator mounting seat 72-5 of the manipulator driving mechanism 72 along the left-right direction, and an air claw 71-1 of the overturning manipulator extends out of the left side of the mounting plate 3-1 from a coil groove 3-1b of the mounting plate 3-1 of the feeding assembly 3 leftwards.

Referring to fig. 1 to 6 and 19, the feeding assembly 8 includes a feeding mounting seat 81, a feeding clamping assembly 82, a feeding driving mechanism 83 and a feeding guide assembly 84.

The feed mount 81 is fixedly provided in the front portion of the sewing machine head 21 in the left-right direction.

The feeding clamping assembly 82 comprises a lower clamping plate 82-1, an upper clamping plate 82-2, a clamping plate driving cylinder 82-3, a clamping plate guide cylinder 82-4 and a linear bearing. The linear bearing of the feeding clamping assembly 82 adopts a Misimm LMN-N8 linear bearing.

The lower clamping plate 82-1 is fixedly arranged on the lower part of the clamping component mounting seat 83-5, and the lower clamping part 82-11 is arranged in a protruding mode towards the right. The lower clamping part 82-11 of the lower clamping plate 82-1 is provided with a blowing hole 82-11a for blowing air towards the front, and the blowing hole 82-11a is communicated with a corresponding air source through an air pipe 200.

The upper plate 82-2 is provided with an upper clamping portion 82-21 projecting rightward corresponding to the lower clamping portion 82-11 of the lower plate 82-1.

The linear bearing of the feeding clamping assembly 82 is fixedly arranged in the clamping assembly mounting seat 83-5, the clamping plate guide cylinder 82-4 is arranged in the linear bearing in a sliding manner along the vertical direction, and the lower end of the clamping plate guide cylinder 82-4 is fixedly connected with the upper clamping plate 82-2. The clamp plate driving cylinder 82-3 adopts a MGJ10-10 with guide rod cylinder of SMC. The clamp plate driving cylinder 82-3 is fixedly provided on the right side of the clamp assembly mount 83-5 by its cylinder body, and its piston rod is extended downward. The upper clamping plate 82-2 is fixedly connected with a mounting plate on a piston rod of the clamping plate driving cylinder 82-3, so that the clamping plate driving cylinder 82-3 drives the upper clamping plate 82-2 to move up and down, and the upper clamping part 82-21 of the upper clamping plate 82-2 and the lower clamping part 82-11 of the lower clamping plate 82-1 form a corresponding material clamping mechanism.

The feeding driving mechanism 83 comprises a feeding driving motor 83-1, a feeding first synchronous belt wheel 83-2, a feeding second synchronous belt wheel 83-3, a feeding driving synchronous belt 83-4 and a clamping component mounting seat 83-5. The feed driving motor 83-1 is a stepping motor. The feeding driving motor 83-1 is fixedly arranged on the left part of the feeding mounting seat 81 through a motor shell thereof, and a motor shaft thereof is arranged forwards. The feeding first synchronous belt wheel 83-2 is arranged on a motor shaft of the feeding driving motor 83-1 in a transmission mode. The feeding second synchronous belt wheel 83-3 is rotatably arranged on the right part of the feeding mounting seat 81, and the feeding driving synchronous belt 83-4 is arranged around the feeding first synchronous belt wheel 83-2 and the feeding second synchronous belt wheel 83-3.

The feeding guide assembly 84 comprises 1 linear guide rail, the linear guide rail is horizontally and fixedly arranged on the feeding mounting base 81 along the left-right direction, and the clamping assembly mounting base 83-5 is fixedly arranged on a sliding block of the linear guide rail. The clamping component mounting seat 83-5 is in transmission connection with the feeding driving synchronous belt 83-4 through a synchronous belt clamp, so that the feeding driving motor 83-1 drives the clamping component mounting seat 83-5 to move left and right along the linear guide rail of the feeding guide component 84 through the feeding driving synchronous belt 83-4.

Referring to fig. 1 to 6 and 19, the material folding assembly 9 includes a material folding clamp 91, a material folding and turning device 92, a material folding driving mechanism 93, a material folding guide assembly 94 and a material folding mounting seat 95. The material folding clamp 91 is in a U shape with a right opening.

The material folding mounting seat 95 is fixedly arranged on the left part of the material feeding mounting seat 81, and the front part of the material folding mounting seat extends forwards and is suspended in the air.

The material folding and overturning device 92 comprises a swing cylinder 92-1, a mounting shaft 92-2, an overturning device mounting seat 92-3 and an overturning device protective cover 92-4. The swing angle of the swing cylinder 92-1 is 270 degrees, and the swing cylinder 92-1 adopts a CDRB2BW20-270SZ swing cylinder of SMC. The swing cylinder 92-1 is fixedly arranged on the turnover device mounting seat 92-3, and the output shaft of the swing cylinder faces the right direction. The mounting shaft 92-2 is arranged on the turnover device mounting seat 92-3 in a left-right rotating mode, and the left end of the mounting shaft 92-2 is in transmission connection with an output shaft of the swing cylinder 92-1 through a corresponding coupler. The material folding clamp 91 is fixedly arranged on the right end of the mounting shaft 92-2. The turnover device protective cover 92-4 is fixedly arranged on the material folding mounting seat 95 to cover corresponding parts of the swing cylinder 92-1, the material folding guide assembly 94 and the turnover device mounting seat 92-3 from the front and the periphery, so that a protective effect is achieved.

The material folding driving mechanism 93 adopts a cylinder driving mode, the cylinder adopts a C85N12-50 cylinder of SMC, the material folding driving mechanism 93 is fixedly arranged on the material folding mounting seat 95 by a cylinder body of the cylinder, and a piston rod of the material folding driving mechanism extends out leftwards. The turnover device mounting seat 92-3 is fixedly connected with a piston rod of an air cylinder of the material folding driving mechanism 93. The material folding guide assembly 94 comprises 1 linear guide rail, the linear guide rail is fixedly arranged on the lower side of the front part of the material folding mounting seat 95 along the left-right direction, and the turnover device mounting seat 92-3 is fixedly arranged on a slide block of the linear guide rail. The material folding driving mechanism 93 drives the turnover device mounting seat 92-3 to move left and right along the linear guide rail of the material folding guide assembly 94.

The utility model discloses a shoulder the machine and be used for making up when shouldering:

1. the material tray shaft 3-52 of the material tray mechanism 3-5 is sleeved with the shoulder belt material tray wound with the coiled shoulder belt, the position of the shoulder belt material tray in the axial direction of the material tray shaft 3-52 is limited through 2 limiting seats 3-52-1, and the shoulder belt material tray can freely rotate.

2. The shoulder straps are sequentially wound around a group of the strap winding shafts 3-53 in an S shape and are wound above the most forward strap winding shaft 3-53, are positioned between 2 retainer rings of the strap winding shafts 3-53 and then downwards pass through the strap passing grooves 3-42-1 between the strap passing seats 3-42 of the detection adjusting mechanism 3-4 and the strap passing seat pressure plates 3-43. And further passes downwards between the first press roll 3-34 and the second press roll 3-35. Then, the yarn guiding device passes through the lower part of the first yarn guiding shaft 41-1 of the yarn guiding frame 41 of the first clamping assembly 4, then sequentially passes through the yarn guiding rods 41-3 in an S shape, then passes through the space between the upper fixed pressing plate 42 and the lower pressing plate 43, passes through the upper part of the second yarn guiding shaft 41-2, and then passes through the space between the upper end of the ultrasonic welding head 5-1 of the cutting assembly 5 and the upper cutter 5-4.

3. The manipulator driving mechanism 72 of the turnover assembly 7 drives the turnover manipulator 71 to move forwards, the air claw 71-1 of the turnover manipulator 71 of the turnover assembly 7 clamps the rear end of the shoulder strap, then the manipulator driving mechanism 72 drives the turnover manipulator 71 to pull the shoulder strap to move backwards for a short distance (about 1.5 cm, and can be specifically set according to actual requirements) and then stop, the feeding driving motor 3-21 drives the first press roller 3-34 to rotate during pulling, and the second press roller 3-35 and the first press roller 3-34 jointly convey the shoulder strap downwards synchronously. After the material pulling is stopped, the lower pressing plate driving mechanism 44 of the first material clamping assembly 4 drives the lower pressing plate 43 to move upwards, the lower pressing plate 43 and the upper fixing pressing plate 42 clamp and fix the corresponding part of the shoulder belt, then the air claw 71-1 releases the shoulder belt to move forwards to the initial position and clamps the shoulder belt, the lower pressing plate driving mechanism 44 of the first material clamping assembly 4 drives the lower pressing plate 43 to move downwards to release the shoulder belt, the air claw 71-1 pulls the shoulder belt backwards for a certain distance (corresponding setting can be carried out according to the size of the ring formed by the shoulder belt), then the air claw 71-1 of the overturning manipulator 71 is stopped to overturn for 180 degrees, and the end of the shoulder belt is overturned upwards and faces forwards. The manipulator drive mechanism 72 drives the turning manipulator 71 to pull the shoulder belt forward to a position where the shoulder belt is pulled backward for the first time, and the shoulder belt forms a loop with a forward opening.

4. The material pulling arm seat 63-2 of the material pulling component 6 is positioned at the right starting position, and the left end of the material pulling cross rod 65-1 is positioned at the right side of the shoulder strap. Then the material pulling front-back driving mechanism 61 drives the material pulling cross rod 65-1 to move forwards to the right side of the ring formed by the shoulder belt, and the material pulling left-right driving mechanism 63 drives the material pulling arm seat 63-2 to move leftwards, so that the material pulling cross rod 65-1 extends into the ring formed by the shoulder belt. The material pulling front-back driving mechanism 61 drives the material pulling cross rod 65-1 to move backwards, and the ring formed by the shoulder belt is kept in a horizontal tensioning state.

5. The upper clamping part 82-21 of the lower clamping plate 82-1 of the feeding clamping assembly 82 of the feeding assembly 8 and the lower clamping part 82-11 of the lower clamping plate 82-1 extend into the rear part of the air claw 71-1 of the overturning manipulator 71 of the overturning assembly 7 to simultaneously clamp the upper end head and the lower end head of the shoulder strap.

6. The lower pressing plate driving mechanism 44 of the first clamping assembly 4 drives the lower pressing plate 43 to move upwards again, and the upper fixing pressing plate 42 clamps and fixes the corresponding part of the shoulder belt. The welding head driving mechanism 5-3 of the blanking assembly 5 drives the ultrasonic welding head 5-1 to move upwards to the lower side of the shoulder strap. The upper cutter driving mechanism 5-6 drives the upper cutter 5-4 to move downwards along the upper cutter guide assembly 5-5, the shoulder straps are firstly pressed and fixed on the upper end of the ultrasonic welding head 5-1 by the upper pressing block 5-7, then the upper cutter 5-4 continues to move downwards to cut off the shoulder straps, and meanwhile, the shoulder straps are kept to be cut off neatly and without burrs under the action of the ultrasonic welding head 5-1.

7. The puller front-rear driving mechanism 61 then drives the puller cross bar 65-1 to move forward close to the upper clamping portion 82-21 of the lower clamping plate 82-1 and the lower clamping portion 82-11 of the lower clamping plate 82-1 of the feed clamping assembly 82. Then the left and right material pulling driving mechanism 63 drives the material pulling arm seat 63-2 to move rightwards, so that the material pulling cross rod 65-1 is withdrawn from the ring formed by the shoulder strap. The material pulling front-back driving mechanism 61 drives the material pulling cross rod 65-1 to move backwards and reset.

8. The pneumatic gripper 71-1 of the flipping robot 71 of the flipping module 7 feeds the corresponding end of the clipped shoulder strap. And a welding head driving mechanism 5-3 of the blanking assembly 5 drives the ultrasonic welding head 5-1 to move downwards for resetting. The upper cutter driving mechanism 5-6 drives the upper cutter 5-4 to move upwards along the upper cutter guiding component 5-5 for resetting. The feeding and clamping assembly 82 feeds the annular shoulder strap to the sewing machine head 21, and the corresponding clothing cloth of the shoulder strap to be sewn is manually put on the shoulder strap and is sewn by the sewing assembly 2.

9. The pneumatic claw 71-1 of the flipping robot 71 of the flipping module 7 is reset after rotating 180 degrees in the reverse direction.

10. When the clothing grade of making up is higher, need press the both ends head of baldric and make up inside (being equivalent to the turn-up when clothing is made up, roll up the deckle edge and make up inside, the outside looks more level and smooth, and the deckle edge is difficult for scattering moreover) for the outside looks the wholeness of baldric better, and is more level and more smooth moreover. At this time, the lower clamping portion 82-11 of the lower clamping plate 82-1 and the upper clamping portion 82-21 of the upper clamping plate 82-2 of the feeding clamping assembly 82 of the feeding assembly 8 clamp two ends of the corresponding annular shoulder strap to be sewn, and a section of portion to be curled is reserved at the front portions of the two ends, and then the annular shoulder strap is sent to the corresponding sewing machine head. The air blowing holes 82-11a of the lower clip part 82-11 of the lower clip plate 82-1 blow air toward the front, and the parts to be curled at the two ends of the front part of the annular shoulder strap are kept in a horizontal state by the air flow

The two ends of the U-shape of the material folding clamp 91 of the material folding component 9 are arranged in the vertical direction and are horizontally opened to the right, then the material folding clamp is inserted rightwards into the upper side and the lower side of the exposed part of the front part of the two ends of the shoulder strap, the swing air cylinder 92-1 drives the material folding clamp 91 to rotate for 270 degrees, the two ends of the shoulder strap are turned backwards from the upper side by the material folding clamp 91 and are horizontally opened, and at the moment, the two ends of the U-shape of the material folding clamp 91 are arranged in the front-back direction and are vertically opened to. The corresponding cloth is then placed over the end of the shoulder strap, the presser foot 22 presses down on the cloth and shoulder strap, and the end of the rear folder 91 is located in the middle of the U-shape of the presser foot 22. After the material is pressed, the material folding clamp 91 of the material folding assembly 9 moves leftwards, and meanwhile, the material folding clamp resets after reversely rotating 270 degrees.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A shoulder strap machine comprises a workbench component and a sewing component; the workbench component comprises a rack and a workbench plate, and the workbench plate is arranged on the rack; the sewing assembly comprises a sewing machine head and a presser foot; the sewing machine head is fixedly arranged on the middle part of the working table plate along the front-back direction; the presser foot is arranged on the sewing machine head;

the method is characterized in that: the automatic feeding device also comprises a feeding assembly, a first clamping assembly, a cutting assembly, a turning assembly and a feeding assembly; the left side of the lower part of the sewing machine head is hinged with the working table plate; the feeding assembly comprises a mounting plate, a feeding driving mechanism and a press roller mechanism; the mounting plate is vertically and fixedly arranged on the right part of the working table plate along the front-back direction; the feeding driving mechanism and the compression roller mechanism are both arranged on the mounting plate, and the compression roller mechanism is driven by the feeding driving mechanism to carry out active feeding of the shoulder belt; the first material clamping assembly is used for clamping and fixing the shoulder belt; the first material clamping assembly is arranged on the mounting plate of the feeding assembly; the material cutting assembly is arranged on the mounting plate of the material loading assembly and is used for cutting off the shoulder belt; the overturning assembly is used for folding the shoulder strap into a ring shape with a forward opening; the feeding component is used for feeding the annular shoulder belt to the sewing machine head, and the sewing component sews two ends of the annular shoulder belt on corresponding clothing materials.

2. The shoulder harness machine as claimed in claim 1, wherein: the device also comprises a material pulling assembly; the pulling assembly is used for keeping the ring formed by the shoulder belt in a horizontally tensioned state.

3. The shoulder belt machine of claim 1 or 2, wherein: the workbench component also comprises a bedplate lifting mechanism; the working table plate is fixedly arranged on the rack through a table plate lifting mechanism, and the height of the working table plate can be adjusted through the table plate lifting mechanism.

4. The shoulder belt machine of claim 1 or 2, wherein: the feeding driving mechanism of the feeding assembly comprises a feeding driving motor, a feeding first synchronous belt wheel, a feeding second synchronous belt wheel and a feeding first synchronous belt; the feeding driving motor adopts a stepping motor; the feeding driving motor is fixedly arranged on the front part of the right side of the mounting plate through a motor shell of the feeding driving motor, and a motor shaft of the feeding driving motor is arranged towards the left; the feeding first synchronous belt wheel is arranged on a motor shaft of the feeding driving motor in a transmission manner;

the compression roller mechanism comprises a compression roller fixing seat, a compression roller adjusting seat, a compression roller driving shaft, a first compression roller, a second compression roller, a first linear guide rail, a first compression spring and a first adjusting cylinder; the compression roller fixing seat is fixedly arranged on the front part of the left side of the mounting plate; the compression roller driving shaft is arranged on the front part of the compression roller fixing seat in a left-right rotating mode, and the right end of the compression roller driving shaft penetrates through the mounting plate rightwards; the feeding second synchronous belt wheel is arranged at the right end of the compression roller driving shaft in a transmission manner, and the feeding first synchronous belt is arranged around the feeding first synchronous belt wheel and the feeding second synchronous belt wheel; the first compression roller is arranged on the compression roller driving shaft in a transmission way; a feeding driving motor drives a first compression roller to rotate; the second compression roller is arranged on the lower part of the compression roller adjusting seat in a left-right rotating mode and is positioned in front of the first compression roller; the first linear guide rail is fixedly arranged on the front part of the left side of the mounting plate in the front-back direction and is positioned above the compression roller fixing seat, and the compression roller adjusting seat is fixedly arranged on a sliding block of the first linear guide rail; the cylinder body of the first adjusting cylinder is fixedly arranged on the compression roller adjusting seat, the piston rod of the first adjusting cylinder extends backwards and can prop against the corresponding fixed top plate arranged on the mounting plate, so that the compression roller adjusting seat moves forwards, and the compression roller adjusting seat drives the second compression roller to move forwards to be separated from the first compression roller; the first compression spring is arranged between the fixed top plate and the rear part of the compression roller adjusting seat in the front-back direction, and the first compression spring is used for enabling the compression roller adjusting seat to move backwards along the first linear guide rail.

5. The shoulder harness machine as claimed in claim 1, wherein: the feeding assembly further comprises a detection adjusting mechanism; the detection adjusting mechanism is used for detecting a connector on the shoulder belt and detecting that the connector on the shoulder belt automatically stops; the detection and adjustment mechanism can also be used for manually controlling the shutdown.

6. The shoulder harness machine as claimed in claim 1, wherein: the feeding assembly also comprises a discharging mechanism; the discharging mechanism comprises a discharging seat, a charging tray shaft and a winding shaft; the discharging seat is fixedly arranged on the upper part of the mounting plate; the material tray shaft is fixedly arranged on the rear part of the material placing seat along the left-right direction, 2 limiting seats are arranged on the material tray shaft, the distance between the 2 limiting seats can be adjusted, and the 2 limiting seats 3 are used for limiting the left-right position of the shoulder belt material tray in the axial direction of the material tray shaft; the belt winding shafts are arranged in a group, the group of belt winding shafts are fixedly arranged on the material placing seat from front to back in sequence, and each belt winding shaft is arranged along the left and right direction; be located the most preceding one and be equipped with 2 retaining rings on the winding belt axle, the distance between 2 retaining rings can be adjusted, adjusts the distance between two retaining rings and suits with the width of baldric during the use.

7. The shoulder harness machine as claimed in claim 1, wherein: the first clamping assembly comprises an upper fixed pressing plate, a lower pressing plate and a lower pressing plate driving mechanism; the upper fixed pressing plate is fixedly arranged on the left side of the front part of the mounting plate of the feeding assembly; the lower pressing plate driving mechanism is fixedly arranged on the left side of the front part of the mounting plate of the feeding assembly, and drives the lower pressing plate to move up and down to form a corresponding material clamping and clamping mechanism with the upper fixing pressing plate.

8. The shoulder harness machine as claimed in claim 1, wherein: the material cutting assembly comprises an ultrasonic welding head, a welding head guide assembly, a welding head driving mechanism, an upper cutter guide assembly, an upper cutter driving mechanism, an upper pressing block, a cutter buffer spring, a material cutting assembly lower mounting seat and a material cutting assembly upper mounting seat; the welding head driving mechanism drives the ultrasonic welding head to move up and down along the welding head guide assembly; the upper mounting seat of the blanking assembly is fixedly arranged on the front part of the right side of the mounting plate; the upper cutter driving mechanism drives the upper cutter to move up and down along the upper cutter guide assembly to form a shearing mechanism with the ultrasonic welding head;

the lower end section of the upper cutter is V-shaped; the upper pressing block is arranged on the rear side face of the pressing block mounting seat in a vertically sliding mode through two shaft position screws, the cutter buffer spring is arranged between the upper portion of the upper pressing block and the rear portion of the upper cutter, the cutter buffer spring enables the upper pressing block to slide downwards, and the lower end face of the upper pressing block is lower than the lowest end of the upper cutter.

9. The shoulder harness machine as claimed in claim 1, wherein: the overturning assembly comprises an overturning manipulator, a manipulator driving mechanism and a manipulator guide assembly; the turnover manipulator adopts a swing pneumatic claw; the gas claw of the turnover manipulator swings 180 degrees in a turnover way; a coil trough is arranged at the lower part of the mounting plate of the feeding assembly; the coil trough is arranged in the front-back direction and penetrates through the left side and the right side of the mounting plate; the manipulator driving mechanism drives the turnover manipulator to move back and forth along the manipulator guide assembly; and the pneumatic claw of the turnover manipulator extends leftwards from the coil trough of the mounting plate of the feeding assembly to the outside of the left side of the mounting plate.

10. The shoulder harness machine as claimed in claim 1, wherein: the feeding assembly comprises a feeding mounting seat, a feeding clamping assembly, a feeding driving mechanism and a feeding guide assembly;

the feeding mounting seat is fixedly arranged in the front part of the sewing machine head along the left-right direction; the feeding guide assembly is arranged on the feeding mounting seat;

the feeding clamping assembly comprises a lower clamping plate, an upper clamping plate, a clamping plate driving cylinder, a clamping plate guiding cylinder and a linear bearing; the lower clamping plate is fixedly arranged on the lower part of the clamping component mounting seat, and the lower clamping part is arranged in a protruding manner towards the right; the upper clamping plate is provided with an upper clamping part which protrudes rightwards and corresponds to the lower clamping part of the lower clamping plate; a linear bearing of the feeding clamping assembly is fixedly arranged in the clamping assembly mounting seat, a clamping plate guide cylinder is arranged in the linear bearing in a vertically sliding manner, and the lower end of the clamping plate guide cylinder is fixedly connected with an upper clamping plate; the clamping plate driving cylinder is fixedly arranged on the right side of the clamping component mounting seat through a cylinder body, and a piston rod of the clamping plate driving cylinder extends downwards; the upper clamping plate is fixedly connected with a mounting plate on a piston rod of the clamping plate driving cylinder, so that the clamping plate driving cylinder drives the upper clamping plate to move up and down, and a corresponding material clamping and clamping mechanism is formed by an upper clamping part of the upper clamping plate and a lower clamping part of the lower clamping plate; the feeding driving mechanism drives the feeding clamping assembly to move left and right along the feeding guide assembly to feed.

11. The shoulder harness machine as claimed in claim 1, wherein: the material folding device also comprises a material folding component; the front and back sections of the presser foot are in a U shape with a downward opening; the lower clamping part of the lower clamping plate of the feeding clamping assembly is provided with an air blowing hole for blowing air towards the front, and the air blowing hole is communicated with a corresponding air source through an air pipe;

the material folding assembly comprises a material folding clamp, a material folding turnover device, a material folding driving mechanism, a material folding guide assembly and a material folding mounting seat; the material folding clamp is in a U shape with a right opening; the material folding guide assembly is arranged on the material folding mounting seat; the material folding mounting seat is fixedly arranged on the left part of the feeding mounting seat of the feeding assembly, and the front part of the material folding mounting seat extends forwards and is arranged in a hanging manner; the material folding and overturning device comprises a swing cylinder, an installation shaft and an overturning device installation seat; the swing cylinder is fixedly arranged on the turnover device mounting seat, and an output shaft of the swing cylinder faces the right; the mounting shaft is arranged on the mounting seat of the turnover device in a left-right rotating mode, and the left end of the mounting shaft is in transmission connection with an output shaft of the swing cylinder through a corresponding coupling; the material folding clamp is fixedly arranged on the right end of the mounting shaft; the material folding and turning device is driven by the material folding driving mechanism to move left and right along the material folding guide assembly.

12. The shoulder harness machine of claim 2, wherein: the material pulling assembly comprises a material pulling front and rear driving mechanism, a material pulling front and rear guide assembly, a material pulling left and right driving mechanism, a material pulling left and right guide assembly and a material pulling arm; a material pulling cross rod is arranged on the left side of the lower part of the material pulling arm and is horizontally arranged along the left-right direction; the material pulling arm is driven by the material pulling front-back driving mechanism to move back and forth along the material pulling front-back guide assembly, and the material pulling arm is driven by the material pulling left-right driving mechanism to move left and right along the material pulling left-right guide assembly; the material pulling cross rod is used for extending into a ring formed by the shoulder belt and pulling the ring formed by the shoulder belt backwards into a horizontal tensioning state.