CN110512366B

CN110512366B - Shoulder strap machine

Info

Publication number: CN110512366B
Application number: CN201910163385.6A
Authority: CN
Inventors: 陈中华
Original assignee: Changzhou Wisdom&convergence&valley Equipment Technology Co ltd
Current assignee: Changzhou Wisdom&convergence&valley Equipment Technology Co ltd
Priority date: 2019-03-05
Filing date: 2019-03-05
Publication date: 2024-07-12
Anticipated expiration: 2039-03-05
Also published as: CN110512366A

Abstract

The invention discloses a shoulder strap machine, which comprises a workbench assembly and a sewing assembly. The key points are as follows: still include material loading subassembly, first clamp material subassembly, blank subassembly, upset subassembly and pay-off subassembly. The feeding assembly comprises a mounting plate, a feeding driving mechanism and a compression 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 compression roller mechanism are arranged on the mounting plate, and the feeding driving mechanism drives the compression roller mechanism to carry out active feeding of the shoulder strap. The first clamping component is used for clamping and fixing the shoulder strap. The first clamping component is arranged on the mounting plate of the feeding component. The blanking subassembly sets up on the mounting panel of material loading subassembly for cut off the baldric. The overturning assembly is used for folding the shoulder strap into a ring shape with a forward opening. The feeding assembly is used for conveying the annular shoulder strap to the sewing machine head, and the sewing assembly is used for sewing the two ends of the annular shoulder strap on corresponding clothing cloth.

Description

Shoulder strap machine

Technical Field

The invention relates to the field of sewing processing equipment, in particular to sewing equipment for sewing shoulder straps of clothing.

Background

Generally, clothes need to be dried after washing. However, when the collar of the clothes is large, the clothes are easy to slip and fall off when being hung by the clothes hanger, so that manufacturers can sew a shoulder strap (also called a clothes hanger) which is wound into a ring shape on the shoulders of both sides of the clothes, and the clothes hanger is hung by the shoulder strap. In addition, the skirt for women cannot be hung in the air through the clothes hanger generally, the skirt can only be clamped by the clothes hanger with the clamps (the clothes hanger for clamping trousers), but clamping and airing of the clamps easily cause clamping injury to the skirt, especially high-grade cloth such as silk, in addition, in order to keep flat, the skirt is also hung in the air in a general storage mode, crease lines are avoided due to folding, and therefore manufacturers can sew a ring-shaped belt on the left side and the right side of the skirt respectively for hanging the skirt. Some heavier clothes (such as sweater) become heavier after being washed, and are easy to be pulled and deformed under stress when being dried and hung, manufacturers can also sew shoulder straps wound into a ring shape on the shoulders on two sides of the clothes to be dried and hung, and the stress can be transferred to prevent the collar from being pulled and deformed.

Disclosure of Invention

The invention aims to provide a shoulder belt machine for sewing shoulder belts of clothes, which has a simple structure and high automation degree.

The basic technical scheme for realizing the aim of the invention is as follows: a shoulder strap machine includes a table assembly and a sewing assembly. The workbench assembly comprises a frame and a workbench plate, and the workbench plate is arranged on the frame. The sewing assembly includes a sewing 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: still include material loading subassembly, first clamp material subassembly, blank subassembly, upset subassembly and pay-off subassembly. 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 compression 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 compression roller mechanism are arranged on the mounting plate, and the feeding driving mechanism drives the compression roller mechanism to carry out active feeding of the shoulder strap. The first clamping component is used for clamping and fixing the shoulder strap. The first clamping component is arranged on the mounting plate of the feeding component. The blanking subassembly sets up on the mounting panel of material loading subassembly for cut off the baldric. The overturning assembly is used for folding the shoulder strap into a ring shape with a forward opening. The feeding assembly is used for conveying the annular shoulder strap to the sewing machine head, and the sewing assembly is used for sewing the two ends of the annular shoulder strap on corresponding clothing cloth.

The technical scheme based on the basic technical scheme is as follows: the device also comprises a pulling component. The pulling component is used for keeping the ring shape formed by the shoulder straps in a horizontal tensioning state.

The technical scheme based on the corresponding technical schemes is as follows: the table assembly also includes a platen lift mechanism. The working table plate is fixedly arranged on the frame through the 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 frame in a sliding way along the up-down 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 up-down direction. The worm gear box is fixedly arranged on the frame. The worm shaft is arranged on the frame in a left-right direction, and the worm wheel of the worm gear box drives the worm shaft to rotate. The crank is arranged on the worm of the worm gear box in a transmission way. 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, 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 way. 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 left front part 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 direction in a rotating way, and the right end of the compression roller driving shaft passes through the mounting plate right. The feeding second synchronous belt pulley is arranged at the right end of the compression roller driving shaft in a transmission way, and the feeding first synchronous belt is arranged around the feeding first synchronous belt pulley and the feeding second synchronous belt pulley. The first press roller is arranged on the press roller driving shaft in a transmission way. The first press roller is driven to rotate by a feeding driving motor. The second press roller is arranged on the lower part of the press roller adjusting seat in a left-right direction and positioned in front of the first press roller. The first linear guide rail is fixedly arranged on the left front part of the mounting plate along the front-back direction by the guide rail of the first linear guide rail and is positioned above the compression roller fixing seat, and the compression roller adjusting seat is fixedly arranged on the sliding block of the first linear guide rail. The cylinder body of the first adjusting cylinder is fixedly arranged on the press roller adjusting seat, the piston rod of the first adjusting cylinder extends backwards, and the piston rod of the first adjusting cylinder extends backwards to prop against a corresponding fixed top plate arranged on the mounting plate, so that the press roller adjusting seat moves forwards, and the press roller adjusting seat drives the second press roller to separate from the first press roller forwards. The first compression spring is arranged between the fixed top plate and the rear part of the compression roller adjusting seat along 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 and adjustment mechanism. The detection and adjustment mechanism is used for detecting the joint on the shoulder strap, and the joint on the shoulder strap is detected to be automatically stopped. The detection and adjustment mechanism may also be used to manually control the shutdown.

The technical scheme based on the corresponding technical schemes is as follows: the detection and adjustment mechanism comprises a threading installation seat, a threading seat pressing plate, a threading linear guide rail, a second compression spring and a first detection light eye. The threading installation 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 installation seat along the up-down direction by the guide rail. The threading seat is fixedly arranged on the sliding block of the threading linear guide rail. The front side of the threading seat is provided with a threading groove which is opened forward and penetrates through the threading groove. The belt threading seat pressing plate is fixedly arranged on the front side of the belt threading seat and covers the belt threading groove from the front. The upper part of the threading seat is provided with an optical eye detection part protruding upwards. The first detection light eye is fixedly arranged on the upper part of the threading installation seat along the front-back direction. The second compression spring is arranged between the compression roller fixing seat and the threading seat and is used for enabling the threading seat to move upwards along the threading linear guide rail 3-44, enabling the photo eye detection part of the threading seat to be located at the front part 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 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 shaft. The discharging 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, is equipped with 2 spacing seats on the charging tray axle, and distance between 2 spacing seats can be adjusted, and 2 spacing seats are used for restricting shoulder area charging tray in the epaxial position of controlling of charging tray axle. The winding shaft is provided with a group, the winding shaft is sequentially and fixedly arranged on the discharging seat from front to back, and each winding shaft is arranged along the left and right directions. The distance between the two check rings can be adjusted to adapt to the width of the shoulder strap when the shoulder strap is used.

The technical scheme based on the corresponding technical schemes is as follows: 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, so that a corresponding clamping mechanism is formed with the upper fixed 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 edge 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. The left side edge of the rear part of the wire passing frame is provided with a second wire passing shaft in the left-right direction, the second wire passing shaft is provided with two check rings, and the distance between the two check 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 fixed pressing plate is positioned between the second thread passing shaft and the rearmost thread passing rod. The lower pressure 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 the cylinder body of the lower pressure plate driving mechanism and is positioned below the upper fixed pressure plate, and the piston rod of the lower pressure 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 fixed pressing plate form a corresponding clamping mechanism.

The technical scheme based on the corresponding technical schemes is as follows: the 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 compression block, a cutter buffer spring, a lower mounting seat of the cutting assembly and an upper mounting seat of the cutting assembly. The welding head driving mechanism drives the ultrasonic welding head to move up and down along the welding head guiding assembly. The upper mounting seat of the blanking component is fixedly arranged on the front 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 cross section of the lower end of the upper cutter is V-shaped. The upper compression block is arranged on the rear side surface of the compression block mounting seat in a sliding way along the upper and lower directions through two shaft position screws, the cutter buffer spring is arranged between the upper part of the upper compression block and the upper rear part of the upper cutter, the cutter buffer spring enables the upper compression block to slide downwards, and the lower end surface of the upper compression 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 manipulator, a manipulator driving mechanism and a manipulator guiding assembly. The overturning manipulator adopts a swinging air claw. The air claw of the turnover manipulator turns and swings 180 degrees. The lower part of the mounting plate of the feeding assembly is provided with a material rolling groove. The material coiling groove is arranged along the front and back directions and penetrates through the left and right sides of the mounting plate. The manipulator driving mechanism drives the overturning manipulator to move back and forth along the manipulator guiding assembly. The air claw of the turnover manipulator stretches out to the left outside of the mounting plate from the material coiling groove of the mounting plate of the feeding assembly.

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 guiding 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 installation 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 assembly mounting seat, and the lower clamping part protrudes rightward. The upper clamping plate is provided with an upper clamping part protruding rightward and corresponding 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 sliding way along the up-down direction, 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 assembly mounting seat through the cylinder body, and the 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 is driven by the clamping plate driving cylinder 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 clamping assembly is driven by the feeding driving mechanism to move left and right along the feeding guiding assembly to feed.

The technical scheme based on the corresponding technical schemes is as follows: the utility model also comprises a folding component. The section of the presser foot along the front and back directions is 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 a blowing hole for blowing forward, and the 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 installation seat. The folding clamp is U-shaped with an opening to the right. The material folding guide assembly is arranged on the material folding installation seat. The folded material mounting seat is fixedly arranged on the left part of the feeding mounting seat of the feeding assembly, and the front part of the folded material mounting seat extends forwards and is suspended. The material folding and overturning device comprises a swinging cylinder, an installation shaft and an overturning device installation seat. The swing cylinder is fixedly arranged on the turnover device mounting seat, and the output shaft of the swing cylinder is arranged towards the right. The installation shaft rotates left and right to be arranged on the installation seat of the turnover device, and the left end of the installation shaft is in transmission connection with the output shaft of the swing cylinder through a corresponding coupling. The folding clamp is fixedly arranged at the right end of the mounting shaft. The folding driving mechanism drives the folding turnover device to move left and right along the folding guide assembly.

The technical scheme based on the corresponding technical schemes is as follows: the material pulling assembly comprises a material pulling front-back driving mechanism, a material pulling front-back guiding assembly, a material pulling left-right driving mechanism, a material pulling left-right guiding assembly and a material pulling arm. The left side of the lower part of the pulling arm is provided with a pulling cross rod which is horizontally arranged along the left and right directions. 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 guiding assembly, and is driven by the material pulling left-right driving mechanism to move left and right along the material pulling left-right guiding assembly. The material pulling cross rod is used for extending into the ring shape formed by the shoulder straps, and pulling the ring shape formed by the shoulder straps back Cheng Shuiping to be in a 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 along the front and back directions and penetrates through the left and right sides of the mounting plate. And the material pulling front-back driving mechanism comprises a material pulling motor, a first material pulling synchronous pulley, a second material pulling synchronous pulley, a material pulling synchronous belt and a material pulling first installation 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 feeding assembly through a motor shell, and a motor shaft of the material pulling motor is arranged towards the left. The first material pulling synchronous pulley is arranged on a motor shaft of the material pulling motor in a transmission way. 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 hold-in range 4 to set up around first drawing material synchronous pulley and second drawing material synchronous pulley. The material pulling front-rear guide assembly comprises 1 linear guide rail, the linear guide rail is fixedly arranged on the right side of the mounting plate of the feeding assembly along the front-rear direction by the guide rail, and the material pulling first mounting seat is fixedly arranged on the sliding block of the linear guide rail. The first material pulling mounting seat is in transmission connection with the material pulling synchronous belt through the synchronous belt clamp, so that the material pulling motor drives the first material pulling mounting seat to move back and forth along the linear guide rail of the material pulling front and back guide assembly through the material pulling synchronous belt. The material pulling left-right driving mechanism comprises a material pulling cylinder and a material pulling arm seat. The material pulling cylinder is fixedly arranged on the first material pulling mounting seat along the left-right direction by the cylinder body, a piston rod of the material pulling cylinder stretches out leftwards, and the left end of the piston rod of the material pulling cylinder is fixedly connected with the material pulling arm seat.

The material pulling left-right guide assembly comprises 1 linear guide rail, the linear guide rail is fixedly arranged on a material pulling first installation seat of a material pulling front-rear driving mechanism along the left-right direction by a guide rail of the linear guide rail, and a material pulling arm seat is fixedly arranged on a sliding block of the linear guide rail. 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 left side of the mounting plate leftwards from the material pulling groove of the mounting plate of the feeding assembly. The material pulling arm is fixedly arranged at the left end of the material pulling arm seat along the up-down direction, is positioned at the left side of the mounting plate of the feeding assembly, and is provided with a material pulling cross rod at the left side of the lower part of the material pulling arm, and the material pulling cross rod is horizontally arranged along the left-right direction. The material pulling cross rod is positioned at the left side of the middle part of the material rolling groove of the mounting plate of the feeding assembly.

The invention has the following beneficial effects: (1) The shoulder strap machine has a simple structure, realizes automatic feeding, automatic folding into a ring shape, automatic feeding and automatic turning of the joint, and can be used for sewing by only manually placing corresponding cloth to be sewn on the shoulder strap, thereby realizing the degree of automation. The shoulder strap machine of the present invention can also be used for sewing shoulder straps (also known as harnesses) of a brace shirt.

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

(3) The feeding assembly of the shoulder strap machine is provided with the feeding mechanism, the feeding mechanism is provided with the 2 check rings on the front-most strap winding shaft, the distance between the 2 check rings can be adjusted to adapt to shoulder straps with different widths, the shoulder straps are limited in the axial direction, the corresponding guiding effect is achieved, the shoulder straps are enabled to correspond to the positions of the strap penetrating grooves on the strap penetrating seat of the lower detection and adjustment mechanism in the upper and lower directions, smooth feeding is facilitated, and damage to the shoulder straps is not easy to occur.

(4) The winded shoulder strap has joint, and the thickness of joint is greater than the depth of the wearing groove of the wearing seat that detects adjustment mechanism, and the joint can not pass through the wearing groove, because resistance can drive wearing seat downstream to first detection light eye can not detect the light eye detection portion of wearing the taking seat, and equipment automatic shutdown, workman cut out the joint back and wear the start again, avoided making up the joint and on the dress and lead to the defective goods production, improved yield and production efficiency. The belt threading seat can be manually pressed downwards to stop the equipment.

(5) The press roller mechanism of the feeding assembly of the shoulder strap machine is provided with the first adjusting cylinder, the piston rod of the first adjusting cylinder stretches out backwards to prop against the fixed top plate, the cylinder body drives the press roller adjusting seat to move forwards, so that a certain distance is opened between the second press roller and the first press roller, the shoulder strap is convenient to pass through at the moment, after the shoulder strap passes through, the press roller adjusting seat is enabled to move backwards along the first linear guide rail through the first compression spring, so that the second press roller presses the shoulder strap on the first press roller, the shoulder strap is conveyed downwards under the rotation action of the first press roller, the shoulder strap is convenient to wear, and the conveying reliability is good.

(6) The shoulder strap machine is provided with the first clamping component, and the first clamping component is provided with the wire passing frame, so that on one hand, the shoulder strap can be guided, on the other hand, the shoulder strap can be kept at a certain tension, the length of the pulled shoulder strap is ensured to be accurate, the shoulder strap is not easy to retract, the follow-up material taking is ensured to be smooth, and the efficiency is improved.

(7) The shoulder strap machine is provided with the first clamping component, the lower pressing plate and the upper fixed pressing plate form a corresponding clamping mechanism, so that the shoulder strap can be clamped and fixed, clamping is stable, on one hand, the tension degree during cutting is kept, the notch is smooth, on the other hand, the end head of the sheared shoulder strap is fixed, the next material taking is facilitated, and continuous operation is realized.

(8) The shoulder strap machine is provided with the blanking assembly, and the blanking assembly is provided with the upper pressing block, so that the shoulder strap can be pressed and fixed on the upper end of the ultrasonic welding head, the good tension of the shoulder strap is maintained, the upper cutting knife is ensured to cut smoothly, and the flatness of a cut is improved. The adoption ultrasonic welding head can guarantee that the incision is level and smooth, with deckle edge ironing edging, increase of service life improves wearing comfort level and pleasing to the eye degree simultaneously. After shearing is completed, the ultrasonic welding head can descend, so that the turnover assembly is convenient to take materials next time.

(9) The shoulder strap machine is provided with the material pulling mechanism, so that the annular shape formed by the shoulder strap can be kept in a horizontal tensioning state, and the lower clamping plate of the feeding clamping assembly can clamp and take materials conveniently.

(10) The shoulder strap machine is provided with the overturning assembly, and the shoulder strap can be overturned and spliced into a ring shape through the overturning assembly, so that the structure is simple, and the efficiency is high.

(11) The shoulder strap machine is provided with the feeding assembly, and the lower clamping part of the lower clamping plate of the feeding clamping assembly of the feeding assembly is provided with the air blowing holes for blowing air forward, so that the two ends of the front part of the sheared annular shoulder strap are kept horizontal by air flow, the folding clamp of the folding assembly is convenient to insert, the structure is simple, the use reliability is good, and the accuracy and the speed of the insertion are improved.

(12) The shoulder strap machine is provided with the folding component, is suitable for sewing high-grade clothing with higher requirements, enables the two ends of the front part of the annular shoulder strap to turn back 270 degrees from the upper direction through the folding clamp, and the rear part of the shoulder strap is pressed on the corresponding part of the shoulder strap by the end positioned at the rear side of the U-shaped two ends of the folding clamp, thereby being beneficial to improving the sewing flatness.

Drawings

FIG. 1 is a schematic view of a shoulder strap machine according to 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 top left front of FIG. 1;

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

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

FIG. 7 is an enlarged schematic view of the table assembly with the table plate removed as viewed from above in FIG. 1;

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

FIG. 9 is an enlarged schematic view of the loading assembly, the first clamping assembly, the blanking assembly, the pulling assembly and the flipping assembly of FIG. 2;

FIG. 10 is an enlarged schematic view of the loading assembly, the first clamping assembly, the blanking assembly, the pulling assembly and the flipping assembly as viewed from the right side of FIG. 1;

FIG. 11 is an enlarged schematic view of the loading assembly, the first clamping assembly, the blanking assembly, the pulling assembly and the flipping assembly as viewed from the top left front of FIG. 1;

FIG. 12 is an enlarged schematic view of the structure of the feeding assembly, the first clamping assembly, the blanking assembly, the pulling assembly and the flipping assembly as viewed from the upper right front of FIG. 1;

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

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

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

FIG. 16 is an enlarged schematic view of the press roller mechanism and the detection and adjustment mechanism of the feeding assembly as seen from the upper right front side of FIG. 1;

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

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

fig. 19 is an enlarged schematic view of the feed assembly and the folding assembly as seen from the upper left front of fig. 1.

The reference numerals in the drawings are:

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

The sewing assembly 2, the sewing machine head 21, the presser foot 22,

The feeding component 3, the mounting plate 3-1, the fixed top plate 3-11, the pull trough 3-1a, the coil trough 3-1b, the feeding component protective cover 3-1-1, the feeding driving mechanism 3-2, the feeding driving motor 3-21, the feeding first synchronous pulley 3-22, the feeding second synchronous pulley 3-23, the feeding first synchronous belt 3-24, the press roller mechanism 3-3, the press roller fixing seat 3-31, the press roller adjusting seat 3-32, the press roller driving shaft 3-33, the first press roller 3-34, the second press roller 3-35, the first linear guide rail 3-36, the first compression spring 3-37, the first adjusting cylinder 3-38, the detection adjusting mechanism 3-4, the threading mounting seat 3-41, the threading seat 3-42, the threading trough 3-42-1, the photo eye detecting part 3-42-2, the threading seat pressing plate 3-43, the threading linear guide rail 3-44, the second compression spring 3-45, the first detection photo eye 3-46,

3-5 Parts of a discharging mechanism, 3-51 parts of a discharging seat, 3-52 parts of a material disc shaft, 3-52-1 parts of a limiting seat, 3-53 parts of a belt winding 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 blanking component 5, an ultrasonic welding head 5-1, a welding head mounting seat 5-1a, a welding head guiding component 5-2, a welding head driving mechanism 5-3, an upper cutter 5-4, an upper cutter guiding component 5-5, an upper cutter driving mechanism 5-6, an upper compacting block 5-7, a cutter mounting seat 5-7a, a cutter buffer spring 5-8, a blanking component lower mounting seat 5-9, a blanking component upper mounting seat 5-10, a welding head protective cover 5-11,

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

The overturning assembly 7, the overturning manipulator 71, the air claw 71-1, the manipulator driving mechanism 72, the manipulator driving motor 72-1, the manipulator first synchronous pulley 72-2, the manipulator second synchronous pulley 72-3, the manipulator driving synchronous belt 72-4, the manipulator mounting seat 72-5, the manipulator guiding assembly 73,

A feeding unit 8, a feeding mount 81, a feeding clamp unit 82, a lower clamping plate 82-1, a lower clamping part 82-11, a gas hole 82-11a, an upper clamping plate 82-2, an upper clamping part 82-21, a clamping plate driving cylinder 82-3, a clamping plate guiding cylinder 82-4, a feeding driving mechanism 83, a feeding driving motor 83-1, a feeding first timing pulley 83-2, a feeding second timing pulley 83-3, a feeding driving timing belt 83-4, a clamping unit mount 83-5, a feeding guiding unit 84,

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

Detailed Description

In order that the invention may be more readily understood, a more particular description of the invention will be rendered by reference to specific embodiments that are illustrated in the appended drawings. The description of the azimuth of the present invention is performed according to the azimuth 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 direction facing in fig. 1 is the front, and the direction facing away from fig. 1 is the rear.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. Meanwhile, in the description of the present invention, the terms "first", "second", and the like are used only to distinguish 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," and the like indicate orientations or positional relationships based on the positional relationships described in the drawings, and are merely used to facilitate describing the invention or simplify the description, and do not indicate a particular orientation that must be assumed.

Example 1

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

Referring to fig. 1 to 8, a table assembly 1 includes a frame 1-1, a table plate 1-2, and a plate lifting mechanism 1-3. The working table board 1-2 is fixedly arranged on the frame 1-1 through the table board lifting mechanism 1-3, and the height of the working table board 1-2 can be adjusted through the table board 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 frame 1-1 in a sliding way along the up-down direction. The left and right parts of the lifting connecting frame 1-31 are respectively provided with a rack 1-36, and the racks 1-36 are arranged along the up-down direction. The worm gear box 1-32 is fixedly arranged on the frame 1-1. The worm shaft 1-33 is rotatably arranged on the frame 1-1 along the left-right direction, and the worm wheel of the worm gear box 1-32 drives the worm shaft 1-33 to rotate. The crank handles 1-34 are arranged on the worms of the worm gear boxes 1-32 in a transmission way. Thus, the worm is rotated by rotating the crank 1-34, the worm wheel is driven to rotate by the worm, and the worm shaft 1-33 is driven to rotate by the worm wheel. The left and right ends of the worm shaft 1-33 are respectively provided with a gear 1-35. The gears 1-35 at the left and right ends of the worm shaft 1-33 are respectively meshed with 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 to 6, the sewing assembly 2 includes a sewing head 21 and a presser foot 22. The sewing head 21 is fixedly provided on the middle portion of the work table 1-2 in the front-rear 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 turn left, and the maintenance is convenient. The presser foot 22 is provided on the sewing machine head 21, and the presser foot 22 has a U-shape with a downward opening in a front-rear cross section.

Referring to fig. 1 to 6, 9 to 12, 15 and 16, the feeding assembly 3 includes a mounting plate 3-1, a feeding driving mechanism 3-2, a pressing 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-rear direction. The mounting plate 3-1 is provided with a material pulling groove 3-1a and a material rolling groove 3-1b from top to bottom. The material pulling groove 3-1a and the material rolling groove 3-1b are arranged along the front and back direction and penetrate through the mounting plate 3-1. The right part of the mounting plate 3-1 is provided with a feeding component protective cover 3-1-1.

The feeding driving mechanism 3-2 comprises a feeding driving motor 3-21, a feeding first synchronous pulley 3-22, a feeding second synchronous pulley 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 right side of the mounting plate 3-1 through 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 the motor shaft of the feeding driving motor 3-21 in a transmission way.

The press roller mechanism 3-3 comprises 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 and a first adjusting cylinder 3-38.

The press roller fixing seat 3-31 is fixedly arranged on the left front part of the mounting plate 3-1. The press roller driving shaft 3-33 is rotatably provided in the front of the press roller fixing seat 3-31 in the left-right direction, and the right end thereof passes through the mounting plate 3-1 rightward. The feeding second synchronous pulley 3-23 is arranged on the right end of the press roller driving shaft 3-33 in a transmission way, and the feeding first synchronous belt 3-24 is arranged around the feeding first synchronous pulley 3-22 and the feeding second synchronous pulley 3-23. The first press roller 3-34 is arranged on the press roller driving shaft 3-33 in a transmission way. Thereby the feeding driving motor 3-21 drives the first press roller 3-34 to rotate. The second press roller 3-35 is rotatably arranged on the lower part of the press roller adjusting seat 3-32 along the left-right direction and is positioned in front of the first press roller 3-34.

The first linear guide rail 3-36 is fixedly arranged on the left front part of the mounting plate 3-1 along the front-back direction by the guide rail thereof and is positioned above the press roller fixing seat 3-31, and the press roller adjusting seat 3-32 is fixedly arranged on the sliding block of the first linear guide rail 3-36. The first conditioning cylinders 3-38 are CQ2B12-5D cylinders of SMC. The first adjusting cylinder 3-38 is fixedly arranged on the press roller adjusting seat 3-32 by a cylinder body, a piston rod of the first adjusting cylinder 3-38 extends backwards, and the piston rod of the first adjusting cylinder 3-38 can prop against a corresponding fixed top plate 3-11 arranged on the mounting plate 3-1, so that the press roller adjusting seat 3-32 moves forwards, the press roller adjusting seat 3-32 drives the second press roller 3-35 to separate from the first press roller 3-34 forwards, and a shoulder belt can conveniently pass through between the second press roller 3-35 and the first press roller 3-34. The first compression spring 3-37 is disposed between the fixed top plate 3-11 and the rear portion of the press roller adjusting seat 3-32 in the front-rear direction, the first compression spring 3-37 is used for enabling the press 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 is retracted forwards, the first compression spring 3-37 enables the second press roller 3-35 to move backwards, and accordingly the second press roller 3-35 compresses the shoulder belt on the first press roller 3-34 and conveys the shoulder belt downwards under the rotation effect of the first press roller 3-34.

The detection and adjustment 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 light eye 3-46.

The threading installation seat 3-41 is fixedly arranged on the upper rear part 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 seat 3-42 is fixedly arranged on the sliding block of the threading linear guide rail 3-44. The front side of the threading seat 3-42 is provided with a threading groove 3-42-1 which is opened forward 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 an upward convex photo eye detection part 3-42-2. The first detection photo eyes 3-46 are fixedly arranged on the upper parts of the threading mounting seats 3-41 along the front-rear direction. The second compression spring 3-45 is arranged between the compression roller fixing seat 3-31 and the threading seat 3-42, and is 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 photo eye detection part 3-42-2 is detected by the first detection photo eye 3-46, and enabling the equipment to be automatically stopped when the photo eye detection part 3-42-2 is not detected by the first detection photo eye 3-46 when the threading seat 3-42 moves downwards.

The discharging mechanism 3-5 comprises a discharging seat 3-51, a charging 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, the material tray shaft 3-52 is provided with 2 limiting seats 3-52-1, 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 is one set of winding shafts 3-53, and the set of winding shafts 3-53 of this embodiment has 3. The 3 winding shafts 3-53 are sequentially and fixedly arranged on the discharging seat 3-51 from front to back, and the 3 winding shafts 3-53 are all arranged along the left and right directions. 2 check rings are arranged on the foremost one of the winding shafts 3-53, the distance between the 2 check rings can be adjusted, and the distance between the two check rings is adjusted to be suitable for the width of the shoulder belt during use.

Referring to fig. 1 to 6, 9, 11 and 13, the first nip 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 material coiling groove 3-1 b. The left side of the front part of the wire passing frame 41 is provided with a first wire passing shaft 41-1 along the left-right direction, the first wire passing shaft 41-1 is provided with two check rings, 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 along 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 passing rods 41-3 are sequentially arranged between the first wire passing shaft 41-1 and the second wire passing shaft 41-2 on the wire passing frame 41 from front to back, and 5 wire passing rods 41-3 are arranged in the group of wire passing rods 41-3 in the embodiment.

An upper fixing presser plate 42 is fixedly provided on the rear left side of the wire passing frame 41 to protrude leftward. An upper stationary platen 42 is located between the second wire passing shaft 41-2 and the rearmost wire passing rod 41-3. The lower platen driving mechanism 44 adopts a cylinder driving mode, and the cylinder adopts an MGJ10-10 belt guide rod cylinder of SMC. The lower platen driving mechanism 44 is fixedly provided on the front left side of the mounting plate 3-1 of the loading assembly 3 by its cylinder block, below the upper fixed platen 42, with its piston rod extending upward. The lower platen 43 is fixedly arranged on a mounting plate on a piston rod of the lower platen driving mechanism 44, so that the lower platen 43 is driven to move up and down by the lower platen driving mechanism 44, and the lower platen 43 and the upper fixed platen 42 form a corresponding clamping mechanism.

Referring to fig. 1 to 6, 9 to 12 and 14, the blanking assembly 5 includes 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 compression 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 protection cover 5-11.

The lower mounting seat 5-9 of the blanking assembly is fixedly arranged on the front lower part of the mounting plate 3-1 of the upper 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 blanking assembly from front to back, the 2 linear guide rails are fixedly arranged on the lower mounting seat 5-9 of the blanking assembly from top to bottom along the respective guide rails, 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 seat 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 component along the up-down direction, the piston rod of the cylinder body extends upwards, and the upper end of the cylinder body is fixedly connected with the welding head mounting seat 5-1a, so that the welding head driving mechanism 5-3 drives the ultrasonic welding head 5-1 to move up and down along the 2 linear guide rails of the welding head guiding component 5-2. The upper mounting seat 5-10 of the blanking component is fixedly arranged on the front part of the right side of the mounting plate 3-1 and is positioned between the front parts of the material pulling groove 3-1a and the material rolling groove 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 blanking assembly along the up-down direction by the guide rail, and the upper cutter 5-4 is fixedly arranged on the sliding block of the linear guide rail along the left-right direction by 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 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 blanking assembly along the up-down direction, the piston rod of the cylinder body extends downwards, and the lower end of the cylinder body is fixedly connected with the cutter mounting seat 5-7a, so that 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, and a shearing mechanism is formed with the ultrasonic welding head 5-1. The upper compression block 5-7 is arranged on the rear side surface of the compression block mounting seat 5-7a in a sliding manner along the up-down direction through two shaft position screws, the cutter buffer spring 5-8 is arranged between the upper part of the upper compression block 5-7 and the rear part of the upper cutter 5-4, the cutter buffer spring 5-8 enables the upper compression block 5-7 to slide downwards, and the lower end surface of the upper compression block 5-7 is lower than the lowest end of the upper cutter 5-4.

The welding head protective cover 5-11 is fixedly arranged on the lower mounting seat 5-9 of the blanking assembly, covers corresponding parts of the blanking assembly 5, which are positioned on the lower side of the working table plate 1-2, from the front and the left and the right sides, and plays a role in safety isolation and protection.

Referring to fig. 1 to 6, 9 to 12 and 17, the pulling assembly 6 includes a pulling front-rear driving mechanism 61, a pulling front-rear guiding assembly 62, a pulling left-right driving mechanism 63, a pulling left-right guiding assembly 64 and a pulling arm 65. The pulling arm 65 is driven by the pulling front-back driving mechanism 61 to move back and forth along the pulling front-back guiding assembly 62, and the pulling arm 63 is driven by the pulling left-right driving mechanism 63 to move left and right along the pulling left-right guiding assembly 64.

The material pulling front-rear 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 material pulling first installation seat 61-5. The material pulling motor 61-1 adopts a stepping motor. The drawing motor 61-1 is fixedly arranged on the right rear part of the mounting plate 3-1 of the feeding assembly 3 by a motor housing thereof, and a motor shaft thereof is arranged toward the left. The first material pulling synchronous pulley 61-2 is arranged on a motor shaft of the material pulling motor 61-1 in a transmission way. The second pulling synchronous pulley 61-3 is rotatably provided on the right front portion of the mounting plate 3-1 of the feeding assembly 3, and the pulling synchronous belt 61-4 is provided around the first and second pulling synchronous pulleys 61-2 and 61-3.

The material pulling front-rear 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 feeding assembly 3 along the front-rear direction by the guide rail of the linear guide rail, 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 the sliding block of the linear guide rail. The first material pulling mounting seat 61-5 is in transmission connection with the material pulling synchronous belt 61-4 through a synchronous belt clamp, so that the first material pulling mounting seat 61-5 is driven by the material pulling motor 61-1 to move back and forth along the linear guide rail of the material pulling front and back guide assembly 62 through the material pulling synchronous belt 61-4.

The pulling left-right driving mechanism 63 comprises a pulling cylinder 63-1 and a pulling arm seat 63-2. The pulling cylinder 63-1 adopts a CJP2B16-10D cylinder of SMC, the pulling cylinder 63-1 is fixedly arranged on the pulling first mounting seat 61-5 along the left-right direction by a cylinder body, a piston rod of the pulling cylinder 63-1 stretches out leftwards, and the left end of the piston rod of the pulling cylinder 63-1 is fixedly connected with the pulling arm seat 63-2.

The material pulling left-right guiding assembly 64 comprises 1 linear guide rail, the linear guide rail is fixedly arranged on a material pulling first mounting seat 61-5 of the material pulling front-rear driving mechanism 61 along the left-right direction by the guide rail, and a material pulling arm seat 63-2 is fixedly arranged on a sliding block of the linear guide rail. So that the pulling arm seat 63-2 is driven by the pulling cylinder 63-1 to move left and right along the linear guide rail of the pulling left and right guide assembly 64. The left part of the pulling arm seat 63-2 extends leftwards from the pulling groove 3-1a of the mounting plate 3-1 of the feeding assembly 3 to the outside of the left side of the mounting plate 3-1.

The material pulling arm 65 is fixedly arranged on the left end of the material pulling arm seat 63-2 along the up-down direction and positioned at the left side of the mounting plate 3-1 of the feeding component 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 along the left-right direction. The material pulling cross bar 65-1 is positioned at the left side of the middle part of the material rolling groove 3-1b of the mounting plate 3-1 of the material loading 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 guiding assembly 73. The flipping robot 71 employs MRHQ D-180S-N swing fingers of the SMC. The air claw of the flipping robot 71 swings 180 degrees in a flipped manner.

The robot driving mechanism 72 includes a robot driving motor 72-1, a robot first timing pulley 72-2, a robot second timing pulley 72-3, a robot driving timing belt 72-4, and a robot mount 72-5. The robot drive motor 72-1 is a stepping motor. The robot driving motor 72-1 is fixedly disposed on the right rear portion of the mounting plate 3-1 of the loading assembly 3 by its motor housing with its motor shaft disposed toward the left. The robot driving motor 72-1 is located below the pulling motor 61-1 of the pulling front-rear driving mechanism 61. The first synchronization pulley 72-2 is arranged on the motor shaft of the manipulator driving motor 72-1 in a transmission manner. The robot second timing pulley 72-3 is rotatably provided on the right front portion of the mounting plate 3-1 of the feeding assembly 3, and the robot drive timing belt 72-4 is provided around the robot first timing pulley 72-2 and the robot second timing pulley 72-3. The second pulley 72-3 is located below the second pulley 61-3 of the drive mechanism 61.

The manipulator guiding 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 by the guide rail of the linear guide rail, the linear guide rail is positioned below the material coiling groove 3-1b, and the manipulator mounting seat 72-5 is fixedly arranged on the sliding block of the linear guide rail. The manipulator mounting seat 72-5 is in transmission connection with the manipulator driving synchronous belt 72-4 through a synchronous belt clamp, so that the manipulator driving motor 72-1 drives the manipulator mounting seat 72-5 to move back and forth along the linear guide rail of the manipulator guide assembly 73 through the manipulator driving synchronous belt 72-4. The turning 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 turning manipulator extends leftwards from a coiling groove 3-1b of a mounting plate 3-1 of the feeding assembly 3 to the left outside of the mounting plate 3-1.

Referring to fig. 1-6 and 19, the feed assembly 8 includes a feed mount 81, a feed clamp assembly 82, a feed drive mechanism 83, and a feed guide assembly 84.

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

The feed clamping assembly 82 includes 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 bearings of the feed clamp assembly 82 are LMN-N8 linear bearings of mesm.

The lower clamping plate 82-1 is fixedly provided on the lower portion of the clamping assembly mounting seat 83-5, and the lower clamping portion 82-11 is protruded rightward. The lower clamping portion 82-11 of the lower clamping plate 82-1 is provided with a blowing hole 82-11a for blowing forward, and the blowing hole 82-11a communicates with a corresponding air source through an air pipe 200.

The upper clamping plate 82-2 is provided with an upper clamping portion 82-21 protruding rightward corresponding to the lower clamping portion 82-11 of the lower clamping 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 up-down 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 an MGJ10-10 belt guide rod cylinder of SMC. The clamping plate driving cylinder 82-3 is fixedly provided on the right side of the clamping assembly mount 83-5 by its cylinder body, and its piston rod is downwardly extended. 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 upper clamping plate 82-2 is driven by the clamping plate driving cylinder 82-3 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 clamping mechanism.

The feed drive mechanism 83 includes a feed drive motor 83-1, a feed first timing pulley 83-2, a feed second timing pulley 83-3, a feed drive timing belt 83-4, and a clamp assembly mount 83-5. The feeding driving motor 83-1 adopts a stepping motor. The feeding driving motor 83-1 is fixedly arranged on the left part of the feeding mounting seat 81 by a motor casing thereof, and a motor shaft thereof is arranged forward. The feeding first synchronous pulley 83-2 is arranged on the motor shaft of the feeding driving motor 83-1 in a transmission way. The feeding second timing pulley 83-3 is rotatably provided on the right portion of the feeding mount 81, and the feeding driving timing belt 83-4 is provided around the feeding first timing pulley 83-2 and the feeding second timing pulley 83-3.

The feeding guide assembly 84 includes 1 linear guide rail which is horizontally and fixedly disposed on the feeding mount 81 along the left-right direction by the guide rail thereof, and the clamping assembly mount 83-5 is fixedly disposed on the slider of the linear guide rail. The clamping assembly 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 assembly mounting seat 83-5 to move left and right along the linear guide rail of the feeding guide assembly 84 through the feeding driving synchronous belt 83-4.

Referring to fig. 1 to 6 and 19, the folding assembly 9 includes a folding clip 91, a folding turning device 92, a folding driving mechanism 93, a folding guide assembly 94 and a folding mount 95. The folder 91 has a U-shape with an opening to the right.

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

The material folding and overturning device 92 comprises a swinging 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 CDRB BW20-270SZ swing cylinder of SMC. The swing cylinder 92-1 is fixedly provided on the turnover device mounting base 92-3, and its output shaft is provided toward the right. The mounting shaft 92-2 is rotatably disposed on the turnover device mounting base 92-3 in the left-right direction, and the left end of the mounting shaft 92-2 is in transmission connection with the output shaft of the swing cylinder 92-1 through a corresponding coupling. The folder 91 is fixedly provided on the right end of the mounting shaft 92-2. The turnover device protecting cover 92-4 is fixedly arranged on the folding mounting seat 95 to cover the swing cylinder 92-1, the folding guide assembly 94 and the corresponding parts of the turnover device mounting seat 92-3 from the front and around, so as to play a role in protecting.

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 the cylinder body of the cylinder, and the piston rod of the material folding driving mechanism extends leftwards. The turnover device mounting seat 92-3 is fixedly connected with a piston rod of an air cylinder of the folding driving mechanism 93. The folding guide assembly 94 includes 1 linear guide rail fixedly disposed on the front lower side of the folding mount 95 in the left-right direction by its guide rail, and the turnover device mount 92-3 is fixedly disposed on the slider of the linear guide rail. So that the turning device mounting seat 92-3 is driven by the folding driving mechanism 93 to move left and right along the linear guide rail of the folding guide assembly 94.

When the shoulder strap machine is used for sewing shoulder straps:

1. The shoulder strap material tray wound with the coiled shoulder strap is sleeved on the material tray shaft 3-52 of the discharging mechanism 3-5, the position of the shoulder strap material tray on the axial direction of the material tray shaft 3-52 is limited by the 2 limiting seats 3-52-1, and the shoulder strap material tray can rotate freely.

2. The shoulder belt is wound around a group of winding shafts 3-53 in an S-shaped manner in turn and wound around the winding shaft 3-53 positioned at the forefront, is positioned between 2 check rings of the winding shaft 3-53, and then passes through the threading groove 3-42-1 between the threading seat 3-42 and the threading seat pressing plate 3-43 of the detection and adjustment mechanism 3-4. And then passes downwardly between the first press roller 3-34 and the second press roller 3-35. Then, the wire passes through the lower part of the first wire passing shaft 41-1 of the wire passing frame 41 of the first clamping assembly 4, sequentially passes through the upper fixed pressing plate 42 and the lower pressing plate 43 after passing through the wire passing rods 41-3 in an S shape, passes through the upper part of the second wire passing shaft 41-2, passes through the upper end of the ultrasonic welding head 5-1 of the cutting assembly 5 and the upper cutter 5-4 after passing through the upper part of the second wire passing shaft 41-2, and then passes back out.

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 head 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 small distance (about 1.5 cm, the shoulder strap can be set according to actual needs and cloth), then the shoulder strap is stopped, and the feeding driving motor 3-21 drives the first press roller 3-34 to rotate during material pulling, and the second press roller 3-35 and the first press roller 3-34 jointly convey the shoulder strap downwards synchronously. After stopping pulling, the lower pressure plate driving mechanism 44 of the first clamping assembly 4 drives the lower pressure plate 43 to move upwards, clamps and fixes the corresponding part of the shoulder strap with the upper fixed pressure plate 42, then the air claw 71-1 loosens the shoulder strap to move forwards to the starting position, clamps the shoulder strap, the lower pressure plate driving mechanism 44 of the first clamping assembly 4 drives the lower pressure plate 43 to move downwards to loosen the shoulder strap, the air claw 71-1 then pulls out the shoulder strap for a certain distance (corresponding setting can be carried out according to the size of the ring formed by the shoulder strap), then stops, and after stopping, the air claw 71-1 of the overturning manipulator 71 overturns 180 degrees, and the end of the shoulder strap overturns upwards and faces forwards. The hand driving mechanism 72 drives the flip hand 71 to pull the shoulder strap forward to a first pulled-out position, at which time the shoulder strap forms a loop with a forward opening.

4. The pulling arm seat 63-2 of the pulling assembly 6 is positioned at the right side starting position, and the left end of the pulling cross bar 65-1 is positioned at the right side of the shoulder strap. Then the pulling front-back driving mechanism 61 drives the pulling cross rod 65-1 to move forwards to the right side of the ring shape formed by the shoulder straps, and the pulling left-right driving mechanism 63 drives the pulling arm seat 63-2 to move leftwards, so that the pulling cross rod 65-1 stretches into the ring shape formed by the shoulder straps. The pulling front and rear driving mechanism 61 drives the pulling cross bar 65-1 to move backward, so that the ring shape formed by the shoulder straps is kept in a horizontally tensioned state.

5. The upper clamping part 82-21 of the lower clamping plate 82-1 of the feeding clamping assembly 82 and the lower clamping part 82-11 of the lower clamping plate 82-1 of the feeding assembly 8 extend into the rear part of the air claw 71-1 of the turning manipulator 71 of the turning assembly 7, and clamp the upper end and the lower end of the shoulder strap at the same time.

6. The lower platen driving mechanism 44 of the first clamping assembly 4 drives the lower platen 43 again to move upward, and clamps and fixes the corresponding portion of the shoulder strap with the upper fixed platen 42. The head drive mechanism 5-3 of the blanking assembly 5 drives the ultrasonic welding head 5-1 up to the underside 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 upper compression block 5-7 compresses and fixes the shoulder belt on the upper end of the ultrasonic welding head 5-1, then the upper cutter 5-4 continues to move downwards to cut off the shoulder belt, and meanwhile the effect of the ultrasonic welding head 5-1 keeps the shoulder belt cut off neatly without burrs.

7. The draw forward and backward drive mechanism 61 then drives the draw bar 65-1 forward to move closer 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. The pulling left and right driving mechanism 63 then drives the pulling arm seat 63-2 to move rightward, so that the pulling cross bar 65-1 withdraws from the ring shape formed by the shoulder straps. The pulling front and back driving mechanism 61 drives the pulling cross bar 65-1 to move backwards for resetting.

8. The air claw 71-1 of the inverting robot 71 of the inverting assembly 7 feeds the respective ends of the clamped shoulder belt. The 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 guide assembly 5-5 for resetting. The feeding and clamping assembly 82 sends the annular shoulder belt to the sewing machine head 21, and the corresponding clothing cloth of the shoulder belt to be sewn is manually put on the shoulder belt and sewn by the sewing assembly 2.

9. The air jaw 71-1 of the flipping robot 71 of the flipping assembly 7 is reset after being rotated reversely by 180 degrees.

10. When the sewn clothing is higher in grade, two ends of the shoulder strap are required to be pressed inside to be sewn (which is equivalent to the curled edge when the clothing is sewn, the burrs are rolled inside to be sewn, the outer surface is more smooth, the burrs are not easy to scatter), and the whole of the shoulder strap is better and smoother. 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 the two ends of the corresponding annular shoulder strap to be sewn, and the front parts of the two ends leave a section of the portion to be curled, and then the portion is sent to the corresponding sewing machine head. The air blowing holes 82-11a of the lower clamping part 82-11 of the lower clamping plate 82-1 blow forward to keep the front both ends of the annular shoulder strap to be curled in a horizontal state by the air flow

The two U-shaped ends of the folding clamp 91 of the folding assembly 9 are arranged vertically to form a horizontal rightward opening, then are inserted into the upper side and the lower side of the exposed part of the front parts of the two ends of the shoulder strap rightwards, the swinging cylinder 92-1 drives the folding clamp 91 to rotate 270 degrees, the two ends of the shoulder strap are turned back to be in a horizontal state from the upper direction by the folding clamp 91, and at the moment, the two U-shaped ends of the folding clamp 91 are arranged along the front and the rear directions to form a vertical rightward opening. Then, the corresponding cloth is placed over the ends of the shoulder straps, the presser foot 22 is pressed down against the cloth and the shoulder straps, and the ends of the rear-located folder 91 are located in the middle of the U-shape of the presser foot 22. After the pressing, the folding clamp 91 of the folding assembly 9 moves leftwards, and simultaneously reversely rotates for 270 degrees and then resets.

While the foregoing is directed to embodiments of the present invention, other and further details of the invention may be had by the present invention, it should be understood that the foregoing description is merely illustrative of the present invention and that no limitations are intended to the scope of the invention, except insofar as modifications, equivalents, improvements or modifications are within the spirit and principles of the invention.

Claims

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

The method is characterized in that: the feeding device also comprises a feeding assembly, a first clamping assembly, a blanking assembly, a turnover assembly, a feeding assembly and a pulling 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 compression roller mechanism; the press roller mechanism comprises a press roller fixing seat, a press roller adjusting seat, a first press roller, a second press 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 left front part of the mounting plate; the first press roller is rotatably arranged on the press roller fixing seat; the second press roller is rotationally arranged on the lower part of the press roller adjusting seat along the left-right direction and positioned in front of the first press roller; the first linear guide rail is fixedly arranged on the left front part of the mounting plate along the front-back direction by the guide rail of the first linear guide rail and is positioned above the compression roller fixing seat, and the compression roller adjusting seat is fixedly arranged on the 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 the piston rod of the first adjusting cylinder extends backwards and can prop against a 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 separate 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 along the front-back direction and is used for enabling the compression roller adjusting seat to move backwards along the first linear guide rail; 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 compression roller mechanism are 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 clamping component is used for clamping and fixing the shoulder strap; the first clamping component is arranged on the mounting plate of the feeding component; the cutting assembly is arranged on the mounting plate of the feeding assembly and 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 assembly is used for feeding the annular shoulder strap to the sewing machine head, and the sewing assembly is used for sewing the two ends of the annular shoulder strap on corresponding clothing cloth; the material pulling assembly comprises a material pulling front-back driving mechanism 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 pulling arm is driven by the pulling front-back driving mechanism to move back and forth, and the pulling cross rod is used for extending into the ring formed by the shoulder strap to pull the ring formed by the shoulder strap back Cheng Shuiping to a tensioning state.

2. The shoulder harness machine of claim 1 wherein: the workbench assembly further comprises a bedplate lifting mechanism; the working table plate is fixedly arranged on the frame through the table plate lifting mechanism, and the height of the working table plate can be adjusted through the table plate lifting mechanism.

3. The shoulder harness machine of claim 1 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, and a motor shaft of the feeding driving motor is arranged towards the left; the feeding first synchronous belt pulley is arranged on a motor shaft of the feeding driving motor in a transmission way;

The press roller mechanism also comprises a press roller driving shaft; the press roller driving shaft is rotationally arranged on the front part of the press roller fixing seat along the left-right direction, and the right end of the press roller driving shaft passes through the mounting plate right; the feeding second synchronous belt pulley is arranged at the right end of the press roller driving shaft in a transmission way, and the feeding first synchronous belt is arranged around the feeding first synchronous belt pulley and the feeding second synchronous belt pulley; the first press roller is arranged on the press roller driving shaft in a transmission way; the first press roller is driven to rotate by a feeding driving motor.

4. The shoulder harness machine of claim 1 wherein: the feeding assembly further comprises a detection and adjustment mechanism; the detection and adjustment mechanism is used for detecting the joint on the shoulder strap and automatically stopping the joint on the shoulder strap; the detection and adjustment mechanism may also be used to manually control the shutdown.

5. The shoulder harness machine of claim 1 wherein: the feeding assembly further comprises a discharging mechanism; the discharging mechanism comprises a discharging seat, a material disc 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 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 sequentially and fixedly arranged on the discharging seat from front to back, and each belt winding shaft is arranged along the left and right direction; the distance between the two check rings can be adjusted to adapt to the width of the shoulder strap when the shoulder strap is used.

6. The shoulder harness machine of 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, so that a corresponding clamping mechanism is formed with the upper fixed pressing plate.

7. The shoulder harness machine of claim 1 wherein: the 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 compression block, a cutter buffer spring, a lower mounting seat of the cutting assembly and an upper mounting seat of the cutting assembly; 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 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 cross section of the lower end of the upper cutter is V-shaped; the upper compression block is arranged on the rear side surface of the compression block mounting seat in a sliding way along the upper and lower directions through two shaft position screws, the cutter buffer spring is arranged between the upper part of the upper compression block and the upper rear part of the upper cutter, the cutter buffer spring enables the upper compression block to slide downwards, and the lower end surface of the upper compression block is lower than the lowest end of the upper cutter.

8. The shoulder harness machine of claim 1 wherein: the overturning assembly comprises an overturning manipulator, a manipulator driving mechanism and a manipulator guiding assembly; the overturning manipulator adopts a swinging air claw; the air claw of the turnover manipulator turns over and swings 180 degrees; a material rolling groove is arranged at the lower part of the mounting plate of the feeding assembly; the material coiling groove is arranged along the front-back direction and penetrates through the left and right sides of the mounting plate; the manipulator driving mechanism drives the overturning manipulator to move back and forth along the manipulator guiding assembly; the air claw of the turnover manipulator stretches out to the left outside of the mounting plate from the material coiling groove of the mounting plate of the feeding assembly.

9. The shoulder harness machine of claim 1 wherein: the feeding assembly comprises a feeding mounting seat, a feeding clamping assembly, a feeding driving mechanism and a feeding guiding assembly;

the feeding installation 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 installation seat;

The feeding clamping assembly comprises a lower clamping plate, an upper clamping plate, a clamping plate driving cylinder, a clamping plate guide cylinder and a linear bearing; the lower clamping plate is fixedly arranged on the lower part of the clamping assembly mounting seat, and the lower clamping part protrudes rightwards; the upper clamping plate is provided with an upper clamping part protruding rightward and corresponding 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 sliding way along the up-down direction, 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 assembly mounting seat through a cylinder body of the clamping plate driving cylinder, 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 is driven by the clamping plate driving cylinder 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 clamping assembly is driven by the feeding driving mechanism to move left and right along the feeding guiding assembly to feed.

10. The shoulder harness machine of claim 1 wherein: the folding machine also comprises a folding component; the section of the presser foot along the front and back directions is in a U shape with a downward opening;

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 installation seat; the folding clamp is U-shaped with an opening to the right; the folded material guide assembly is arranged on the folded material mounting seat; the 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 folding mounting seat extends forwards and is arranged in a suspending way; the material folding and overturning device comprises a swinging 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 is arranged towards the right; the mounting shaft is rotatably arranged on the turnover device mounting seat along the left-right direction, and the left end of the mounting shaft is in transmission connection with the output shaft of the swing cylinder through a corresponding coupling; the folding clamp is fixedly arranged at the right end of the mounting shaft; the folding driving mechanism drives the folding turnover device to move left and right along the folding guide assembly.

11. The shoulder harness machine of claim 2 wherein: the material pulling assembly further comprises a material pulling front-back guide assembly, a material pulling left-right driving mechanism and a material pulling left-right guide assembly; 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 guiding assembly, and is driven by the material pulling left-right driving mechanism to move left and right along the material pulling left-right guiding assembly.