CN210012982U

CN210012982U - Small loop sewing equipment

Info

Publication number: CN210012982U
Application number: CN201920277582.6U
Authority: CN
Inventors: 陈中华
Original assignee: Changzhou Zhigu Electromechanical Technology Co Ltd
Current assignee: Changzhou Zhigu Electromechanical Technology Co Ltd
Priority date: 2019-03-05
Filing date: 2019-03-05
Publication date: 2020-02-04
Anticipated expiration: 2029-03-05

Abstract

The utility model discloses a little tong "pan" sewing equipment, including workstation subassembly and sewing subassembly. The key points are as follows: the device further comprises a feeding device, a clamping and tensioning device, a shearing device, a ring winding device and a conveying device. The feeding device comprises an installation plate, a feeding driving mechanism and a press roller mechanism. The feeding driving mechanism and the press roller mechanism are both arranged on the mounting plate, and the press roller mechanism is driven by the feeding driving mechanism to carry out active feeding on the small belt loop. The clamping and tensioning device is arranged on the mounting plate of the feeding device. The clamping and tensioning device is used for clamping and fixing the small belt loop. The winding device is used for folding the small belt loop into a ring shape with a forward opening. The shearing device is arranged on the mounting plate of the feeding device. The shearing device is provided with a shearing mechanism and an auxiliary pressing mechanism, the auxiliary pressing mechanism is used for clamping and fixing two end heads of the small belt loop, and the shearing mechanism is used for cutting off the small belt loop. The conveying device is used for conveying the annular small belt loop to a sewing machine head, and the sewing component is used for sewing two end heads of the annular small belt loop on corresponding clothing materials.

Description

Small loop sewing equipment

Technical Field

The utility model relates to a sewing processing equipment field specifically is a make up equipment for making up little tong "pan" that hang clothing drop used.

Background

The clothing tag is an ornament attached to clothing in the clothing sale process as the name implies, belongs to a part of packaging, and mainly has the functions of attaching related information such as factory name, factory address, telephone, fax, postcode, qualification certificate, washing description, fabric composition, product grade, execution standard, specification and size, price and the like. In terms of the form, the hangtag is basically hung on the hasp or the button of the clothing by using more sophisticated lines, so that the sold clothing looks more high-grade, and the brand image is improved. However, not all clothing is provided with a hasp or a button capable of hanging the hang tag, such as T-shirts, skirts and the like, so that a small loop is required to be sewn at the collar separately, and the thread for hanging the hang tag is fixed on the small loop.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a simple structure, the higher little tong "pan of being used for of degree of automation makes up equipment.

Realize the utility model discloses the basic technical scheme of purpose is: a small loop sewing device comprises a workbench assembly and a sewing assembly. The workbench component comprises a rack and a workbench plate, and the workbench plate is arranged on the rack. The sewing assembly includes a sewing machine head and a presser foot. The sewing machine head is fixedly arranged on the middle part of the working table plate along the front-back direction. The structure is characterized in that: the device further comprises a feeding device, a clamping and tensioning device, a shearing device, a ring winding device and a conveying device. The feeding device comprises an installation plate, a feeding driving mechanism and a press roller mechanism. The mounting plate is vertically and fixedly arranged on the right part of the workbench plate along the front-back direction. The feeding driving mechanism and the press roller mechanism are both arranged on the mounting plate, and the press roller mechanism is driven by the feeding driving mechanism to carry out active feeding on the small belt loop. The clamping and tensioning device is arranged on the mounting plate of the feeding device. The clamping and tensioning device is used for clamping and fixing the small belt loop. The winding device is used for folding the small belt loop into a ring shape with a forward opening. The shearing device is arranged on the mounting plate of the feeding device. The shearing device is provided with a shearing mechanism and an auxiliary pressing mechanism, the auxiliary pressing mechanism is used for clamping and fixing two end heads of the small belt loop, and the shearing mechanism is used for cutting off the small belt loop. The conveying device is used for conveying the annular small belt loop to a sewing machine head, and the sewing component is used for sewing two end heads of the annular small belt loop on corresponding clothing materials.

The technical scheme based on the basic technical scheme is as follows: the ring winding device comprises a turnover manipulator, a front and rear manipulator driving mechanism, a front and rear manipulator guide assembly, a left and right manipulator driving mechanism, a left and right manipulator guide assembly and a manipulator mounting seat. The turnover manipulator adopts a swing gas claw, and the gas claw of the turnover manipulator overturns and swings for 180 degrees. The overturning manipulator is arranged on the manipulator mounting seat through the left and right guide assemblies of the manipulator, and the left and right driving mechanisms of the manipulator are arranged on the manipulator mounting seat and used for driving the overturning manipulator to move left and right along the left and right guide assemblies of the manipulator. The front and rear driving mechanism of the manipulator drives the turnover manipulator to move back and forth along the front and rear guide assemblies of the manipulator.

The technical scheme based on the corresponding technical schemes is as follows: and a coil trough is arranged in the middle of the mounting plate of the feeding device. The coil trough is arranged along the front-back direction and penetrates through the mounting plate to the left and right. The front and rear driving mechanism of the manipulator comprises a manipulator driving motor, a first manipulator synchronous belt wheel, a second manipulator synchronous belt wheel and a manipulator driving synchronous belt. The manipulator driving motor is fixedly arranged on the rear part of the right side of the mounting plate of the feeding device through a motor shell of the manipulator driving motor, and a motor shaft of the manipulator driving motor is arranged towards the left. The first synchronous belt wheel transmission of the manipulator is arranged on a motor shaft of a manipulator driving motor. The manipulator second synchronous pulley rotates to be arranged on the front portion of the right side of the mounting plate of the feeding device, and the manipulator driving synchronous belt is arranged around the manipulator first synchronous pulley and the manipulator second synchronous pulley.

The manipulator front and back 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 device along the front and back direction and is positioned below the turnover groove, and the manipulator mounting seat is fixedly arranged on a slide block of the linear guide rail. The manipulator mounting base is in transmission connection with the manipulator driving synchronous belt through the synchronous belt clamp, and therefore the manipulator driving motor drives the manipulator mounting base to move back and forth along the linear guide rail of the manipulator guide assembly through the manipulator driving synchronous belt.

The left and right driving mechanisms of the manipulator are driven by cylinders. The cylinder body of the left and right driving mechanism of the manipulator is fixedly arranged on the manipulator mounting seat, and a piston rod of the left and right driving mechanism of the manipulator extends out rightwards.

The manipulator left and right guide assembly comprises 1 linear guide rail, the linear guide rail is fixedly arranged on the manipulator mounting base from left to right along the left direction, the turnover manipulator is arranged from left to right along the left direction and is fixedly arranged on a slide block of the linear guide rail through a corresponding connecting base, and a gas claw of the turnover manipulator stretches out of the left side of the mounting plate from the turnover groove of the mounting plate of the feeding device to the left.

The technical scheme based on the corresponding technical schemes is as follows: the shearing device further comprises a shearing mechanism guide assembly, a shearing mechanism driving device and a shearing device mounting seat. The shearing device mounting seat is fixedly arranged on the lower part of the front part of the mounting plate of the feeding device. The shearing mechanism guide assembly and the shearing mechanism driving device are arranged on the shearing device mounting seat.

The shearing mechanism of the shearing device comprises a cutter seat, a fixed cutter, a movable cutter driving mechanism and a shearing mechanism connecting seat. The shearing mechanism connecting seat is arranged on the shearing mechanism guide assembly. The cutter seat is fixedly arranged on the upper part of the shearing mechanism connecting seat. The fixed cutter is fixedly arranged on the rear part of the cutter seat along the left-right direction. The movable cutter driving mechanism drives the fixed cutter to rotate and the fixed cutter cuts off the small belt loop. The shearing mechanism driving device drives the shearing mechanism to move up and down along the shearing mechanism guide assembly.

The auxiliary pressing mechanism comprises an upper pressing plate, a pressing plate driving mechanism, a pressing plate guide assembly and a pressing mechanism mounting seat. The pressing mechanism mounting seat is fixedly arranged on the middle part of the front part of the mounting plate of the feeding device and is positioned above the shearing device mounting seat. The upper pressing plate is driven by the pressing plate driving mechanism to move up and down along the pressing plate guide assembly, and the small belt loop is pressed and fixed on the fixed cutter downwards.

The technical scheme based on the corresponding technical schemes is as follows: the shearing mechanism also comprises a movable cutter shaft and a movable cutter pressing spring. The movable cutter driving mechanism drives the movable cutter shaft to rotate, the movable cutter pressing spring is sleeved on the movable cutter shaft and located between the front side of the movable cutter and the corresponding part of the cutter seat and in a compressed state, the movable cutter pressing spring is used for pushing the movable cutter backwards, the movable cutter is pressed and attached to the front side of the fixed cutter, and the movable cutter driving mechanism drives the movable cutter shaft to rotate.

The technical scheme based on the corresponding technical schemes is as follows: the compression roller mechanism of the feeding device comprises a compression roller fixing seat, a compression roller adjusting seat, a first compression roller and a second compression roller. The compression roller fixing seat is fixedly arranged on the front portion of the left side of the mounting plate. First compression roller rotates and sets up on the compression roller fixing base, is rotated by the first compression roller of material loading actuating mechanism drive. The second compression roller rotates and sets up on the seat is adjusted to the compression roller, is located the place ahead of first compression roller, adjusts the distance between second compression roller and the first compression roller through the seat is adjusted to the compression roller, and the second compression roller compresses tightly little belt on first compression roller, carries out the transport of little belt by first compression roller and second compression roller.

The technical scheme based on the corresponding technical schemes is as follows: the compression roller mechanism of the feeding device further comprises a first linear guide rail, a first compression spring and a first adjusting cylinder.

The first linear guide rail is fixedly arranged on the front portion of the left side of the mounting plate in the front-back direction through the guide rail and is located above the compression roller fixing seat, and the compression roller adjusting seat is fixedly arranged on a sliding block of the first linear guide rail. The first adjusting cylinder is fixedly arranged on the compression roller adjusting seat through a cylinder body, a 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. The first compression spring is arranged between the fixed top plate and the rear part of the compression roller adjusting seat in the front-back direction, and the first compression spring is used for enabling the compression roller adjusting seat to move backwards along the first linear guide rail.

The technical scheme based on the corresponding technical schemes is as follows: the feeding device further comprises a detection adjusting mechanism. The detection adjusting mechanism comprises a tape threading mounting seat, a tape threading seat pressing plate, a tape threading linear guide rail, a second compression spring and a first detection light eye.

The tape threading mounting seat is fixedly arranged on the rear part of the upper side of the compression roller fixing seat. The threading linear guide rail is fixedly arranged on the threading mounting seat along the vertical direction. The tape threading seat is fixedly arranged on the sliding block of the tape threading linear guide rail. The front side of the belt threading seat is provided with a belt threading groove with a forward opening penetrating through the upper part and the lower part. The tape threading seat pressing plate is fixedly arranged on the front side of the tape threading seat and covers the tape threading groove from the front. The upper part of the threading seat is provided with a photo eye detection part which protrudes upwards. The first detection light eye is fixedly arranged on the upper part of the threading mounting seat along the front-back direction. The second compression spring is arranged between the compression roller fixing seat and the tape threading seat and used for enabling the tape threading seat to move upwards along the tape threading linear guide rail, and the photo eye detection part of the tape threading seat is located in front of the first detection photo eye.

The technical scheme based on the corresponding technical schemes is as follows: the clamping and tensioning device comprises a wire passing frame, an upper fixed pressing plate, a lower pressing plate and a lower pressing plate driving mechanism.

The wire passing frame is fixedly arranged on the left side of the front part of the mounting plate of the feeding device. The left side of the front part of the wire passing frame is provided with a first wire passing shaft in the left-right direction, the first wire passing shaft is provided with two check rings, and the distance between the two check rings can be adjusted. A second wire passing shaft is arranged on the left side of the rear portion of the wire passing frame in the left-right direction, two retaining rings are arranged on the second wire passing shaft, and the distance between the two retaining rings can be adjusted. A group of wire passing rods are sequentially arranged between the first wire passing shaft and the second wire passing shaft on the wire passing frame from front to back.

The upper fixed pressing plate is fixedly arranged on the left side of the rear part of the wire passing frame and extends leftwards. The upper fixing pressing plate is positioned between the second wire passing shaft and the last wire passing rod. The lower pressing plate driving mechanism adopts a cylinder driving mode. The lower pressing plate driving mechanism is fixedly arranged on the left side of the front part of the mounting plate of the feeding device through a cylinder body of the lower pressing plate driving mechanism and is positioned below the upper fixing pressing plate, and a piston rod of the lower pressing plate driving mechanism extends upwards. The lower pressing plate is fixedly arranged on a mounting plate on a piston rod of the lower pressing plate driving mechanism, so that the lower pressing plate is driven by the lower pressing plate driving mechanism to move up and down, and the lower pressing plate and the upper fixing pressing plate form a corresponding material clamping mechanism.

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

The utility model discloses following beneficial effect has: (1) the utility model discloses a little tong "pan" is made up equipment simple structure has realized that automatic feeding, automatic upset are rolled over into corresponding annular, automatic transport and are delivered annular little tong "pan" area to the sewing subassembly, only need the manual work to treat the corresponding cloth of making up and put and can carry out corresponding making up by the sewing subassembly on little tong "pan", and degree of automation has improved production and processing efficiency greatly, and processingquality is high.

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

(3) The utility model discloses a loading attachment of equipment is made up to little tong "pan" is equipped with drop feed mechanism, drop feed mechanism is located the most ahead one and is equipped with 2 retaining rings around the belt epaxial, the little tong "pan" of 2 distances between the retaining ring can be adjusted in order to adapt to different width, carry out the axial spacing to little tong "pan", play corresponding guide effect, make little tong "pan on the upper and lower direction with the detection adjustment mechanism's of below position of wearing the race on the seat corresponding, be favorable to the feeding smoothly and be difficult for causing the damage to little tong" pan ".

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

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

(6) The utility model discloses a little tong "pan" is made up equipment and is equipped with first clamp material subassembly, and first clamp material subassembly is equipped with the line frame, can play the guide effect to little tong "pan" on the one hand, and on the other hand enables little tong "pan" and keeps certain rate of tension, ensures that the length of little tong "pan" that is pulled out is accurate, and difficult withdrawal ensures that follow-up material of getting is smooth, raises the efficiency.

(7) The utility model discloses a little tong "pan" is made up equipment and is equipped with first clamp material subassembly, and the holding down plate forms corresponding clamp material fixture with last fixed pressing plate, can press from both sides the tight fixed with little tong "pan", and the clamp material is stable, and the rate of tension when being favorable to keeping cutting off on the one hand makes the incision level and smooth, and on the other hand will cut the end of little tong "pan after fixed, the next material of getting of being convenient for realizes continuity of operation.

(8) The utility model discloses a shearing mechanism of little tong "pan" sewing equipment is equipped with supplementary hold-down mechanism, and supplementary hold-down mechanism is equipped with the pressure strip, can compress tightly the little tong "pan" and fix on the upside of deciding the cutter to upset manipulator can loosen little tong "pan and withdraw from right earlier, conveniently carry the centre gripping subassembly to get the material, can adapt to the little tong" pan of different sizes; meanwhile, the upper pressing plate can also keep good tension of the small belt loop, so that smooth shearing during the action of the fixed cutter is ensured, and the flatness of the notch is improved. The shearing device can lift, and the overturning assembly is convenient to take materials.

(9) The utility model discloses a little tong "pan" is made up equipment and is equipped with the upset subassembly, can piece into the annular through the upset subassembly with little tong "pan" area upset, simple structure, it is efficient.

(10) The utility model discloses a little tong "pan" is made up equipment and is equipped with conveyor, conveyor simple structure, uses the good reliability, can the rapid accuracy degree send little tong "pan" to sewing machine head department.

Drawings

FIG. 1 is a schematic structural view of a small loop sewing device of the present invention;

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

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

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

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

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

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

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

FIG. 9 is an enlarged schematic view of the loading device, the clamping and tensioning device, the shearing device and the looping device of FIG. 2;

fig. 10 is an enlarged schematic view of the feeding device, the clamping and tensioning device, the shearing device and the looping device as viewed from the right of fig. 1;

FIG. 11 is an enlarged schematic structural view of the structures of the feeding device, the clamping and tensioning device, the shearing device and the looping device when viewed from the front left upper side of FIG. 1;

FIG. 12 is an enlarged schematic structural view of the structures of the feeding device, the clamping and tensioning device, the shearing device and the looping device when viewed from the upper right front side of FIG. 1;

FIG. 13 is an enlarged schematic structural view of the mounting plate of the clamping tensioner and feeder as viewed from the top left front of FIG. 1;

FIG. 14 is an enlarged schematic structural view of the shearing apparatus as viewed from the upper rear left of FIG. 1;

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

fig. 16 is an enlarged schematic structural view of a press roller mechanism and a detection adjustment mechanism of the feeding device as viewed from the upper right front of fig. 1;

FIG. 17 is an enlarged schematic structural view of the inverting robot and the robot mount of the looping apparatus as viewed from the front left upper side of FIG. 1;

fig. 18 is an enlarged schematic structural view of the conveying apparatus as viewed from the front left upper side of fig. 1.

The reference numbers in the drawings are:

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

a sewing component 2, a sewing machine head 21, a presser foot 22, a first presser foot 22-1, a second presser foot 22-2,

a feeding device 3, a mounting plate 3-1, a fixed top plate 3-11, a turnover groove 3-1a, a feeding device protective cover 3-1-1,

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

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

3-4 parts of detection adjusting mechanism, 3-41 parts of threading mounting base, 3-42 parts of threading base, 3-42-1 parts of threading groove, 3-42-2 parts of photoeye detection part, 3-43 parts of threading base pressing plate, 3-44 parts of threading linear guide rail, 3-45 parts of second compression spring, 3-46 parts of first detection photoeye,

a discharging mechanism 3-5, a discharging seat 3-51, a charging tray shaft 3-52, a limiting seat 3-52-1, a winding belt shaft 3-53,

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

a shearing device 5, a shearing mechanism 51, a cutter holder 51-1, a fixed cutter 51-2, a movable cutter 51-3, a movable cutter shaft 51-4, a movable cutter hold-down spring 51-5, a movable cutter driving mechanism 51-6, a shearing mechanism connecting seat 51-7,

the cutting mechanism guide assembly 52, the cutting mechanism driving device 53,

an auxiliary pressing mechanism 54, an upper pressing plate 54-1, a pressing plate driving mechanism 54-2, a pressing plate guiding component 54-3, a pressing mechanism mounting seat 54-4, a pressing plate connecting seat 54-5, a shearing device mounting seat 55, a shearing device protective cover 56,

a winding device 6, a turning manipulator 61, a gas claw 61-1, a manipulator front and back driving mechanism 62, a manipulator driving motor 62-1, a manipulator second synchronous pulley 62-3, a manipulator driving synchronous belt 62-4, a manipulator front and back guiding component 63, a manipulator left and right driving mechanism 64, a manipulator left and right guiding component 65, a manipulator mounting seat 66,

the device comprises a conveying device 7, a feeding mounting seat 71, a conveying clamping assembly 72, a lower material clamping plate 72-1, an upper material clamping plate 72-2, a clamping plate driving cylinder 72-3, a clamping plate guiding cylinder 72-4, a feeding driving mechanism 73, a feeding driving motor 73-1, a feeding first synchronous pulley 73-2, a feeding second synchronous pulley 73-3, a feeding driving synchronous belt 73-4, a clamping assembly mounting seat 73-5 and a feeding guiding assembly 74.

Detailed Description

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

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

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

(example 1)

Referring to fig. 1 to 18, the small loop sewing device of the present invention comprises a work table assembly 1, a sewing assembly 2, a feeding device 3, a clamping and tensioning device 4, a shearing device 5, a winding device 6 and a conveying device 7.

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

Referring to fig. 1-6, the sewing assembly 2 includes a sewing head 21 and a presser foot 22. The sewing machine head 21 is fixedly arranged on the middle part of the working table plate 1-2 along the front-back direction. The left side of the lower part of the sewing machine head 21 is hinged with the working table plate 1-2, so that the sewing machine head 21 can be overturned leftwards, and the maintenance is convenient. There are 2 presser feet 22, referred to as a first presser foot 22-1 and a second presser foot 22-2, respectively. The first presser foot 22-1 is C-shaped with an open rearward. The first presser foot 22-1 and the second presser foot 22-2 are both disposed on the sewing machine head 21, and the corresponding portion of the second presser foot 22-2 is located at the C-shaped notch of the first presser foot 22-1.

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

The mounting plate 3-1 is vertically and fixedly arranged on the right part of the working table plate 1-2 along the front-back direction. The middle part of the mounting plate 3-1 is provided with a turnover groove 3-1 a. The turnover groove 3-1a is arranged along the front-back direction and penetrates through the left side and the right side of the mounting plate 3-1. The right part of the mounting plate 3-1 is provided with a feeding device protective cover 3-1-1.

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

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

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

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

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

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

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

The discharging mechanism 3-5 comprises a discharging seat 3-51, a tray shaft 3-52 and a winding belt shaft 3-53. The discharging seat 3-51 is fixedly arranged on the upper part of the mounting plate 3-1. The material tray shaft 3-52 is fixedly arranged on the rear part of the material placing seat 3-51 along the left-right direction, 2 limiting seats 3-52-1 are arranged on the material tray shaft 3-52, the distance between the 2 limiting seats 3-52-1 can be adjusted, and the 2 limiting seats 3-52-1 are used for limiting the left-right position of the small belt loop material tray in the axial direction of the material tray shaft 3-52. There are one set of belt winding shafts 3-53 and one set of this embodiment has 3 belt winding shafts 3-53. 3 strip winding shafts 3-53 are fixedly arranged on the material placing seat 3-51 in sequence from front to back, and the 3 strip winding shafts 3-53 are arranged along the left and right directions. And 2 retainer rings are arranged on the foremost one of the belt winding shafts 3-53, the distance between the 2 retainer rings can be adjusted, and the distance between the two retainer rings is adjusted to be adapted to the width of the small belt loop when in use.

Referring to fig. 1 to 6, 9, 11, and 13, the clamping and tensioning device 4 includes a wire passing 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 device 3 and is positioned in front of the turnover groove 3-1 b. The first wire passing shaft 41-1 is arranged on the left side of the front part of the wire passing frame 41 in the left-right direction, two check rings are arranged on the first wire passing shaft 41-1, and the distance between the two check rings can be adjusted. The left side of the rear part of the wire passing frame 41 is provided with a second wire passing shaft 41-2 in the left-right direction, the second wire passing shaft 41-2 is provided with two check rings, and the distance between the two check rings can be adjusted. A group of wire guide rods 41-3 are sequentially arranged between the first wire guide shaft 41-1 and the second wire guide shaft 41-2 on the wire guide frame 41 from front to back, and the number of the group of wire guide rods 41-3 is 5 in the embodiment.

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

Referring to fig. 1 to 6, 9 to 12, and 14, the shearing apparatus 5 includes a shearing mechanism 51, a shearing mechanism guide assembly 52, a shearing mechanism driving device 53, an auxiliary pressing mechanism 54, a shearing apparatus mounting seat 55, and a shearing apparatus shield 56.

The shearing mechanism 51 comprises a cutter seat 51-1, a fixed cutter 51-2, a movable cutter 51-3, a movable cutter shaft 51-4, a movable cutter pressing spring 51-5, a movable cutter driving mechanism 51-6 and a shearing mechanism connecting seat 51-7.

The cutter seat 51-1 is fixedly arranged on the upper part of the shearing mechanism connecting seat 51-7. The fixed cutter 51-2 is fixedly arranged on the rear part of the cutter seat 51-1 along the left-right direction. The movable cutter shaft 51-4 is arranged in the cutter seat 51-1 in a forward and backward rotating manner, the movable cutter 51-3 is fixedly arranged at the rear end of the movable cutter shaft 51-4, the movable cutter pressing spring 51-5 is sleeved on the movable cutter shaft 51-4 and is positioned between the front side of the movable cutter 51-3 and the corresponding part of the cutter seat 51-1 and is in a compressed state, so that the movable cutter 51-3 is pushed backwards, and the movable cutter 51-3 is pressed and attached to the front side of the fixed cutter 51-2. The movable knife driving mechanism 51-6 adopts a cylinder driving mode, the cylinder adopts a CJ2L16-15 cylinder of SMC, a cylinder body of the cylinder is fixedly arranged on the shearing mechanism connecting seat 51-7 along the vertical direction, a piston rod of the cylinder extends upwards and is in transmission connection with the front end of the movable knife shaft 51-4, and the movable knife driving mechanism 51-6 drives the movable knife shaft 51-4 to rotate.

The shearing device mounting seat 55 is fixedly arranged on the lower part of the front part of the mounting plate 3-1 of the feeding device 3. The shearing mechanism guide assembly 52 comprises 1 linear guide rail, the linear guide rail is fixedly arranged on the shearing device mounting seat 55 along the vertical direction, and the shearing mechanism connecting seat 51-7 is fixedly arranged on a sliding block of the linear guide rail. The shearing mechanism driving device 53 adopts a cylinder driving mode, the cylinder adopts a CM2B25-50 cylinder of SMC, a cylinder body of the cylinder is fixedly arranged on the shearing device mounting seat 55 along the vertical direction, a piston rod of the cylinder extends upwards, and the upper end of the cylinder is fixedly connected with the shearing mechanism connecting seat 51-7, so that the shearing mechanism driving device 53 drives the shearing mechanism 51 to move up and down along a linear guide rail of the shearing mechanism guide assembly 52.

The auxiliary pressing mechanism 54 comprises an upper pressing plate 54-1, a pressing plate driving mechanism 54-2, a pressing plate guide assembly 54-3, a pressing mechanism mounting seat 54-4 and a pressing plate connecting seat 54-5. The hold-down mechanism mounting base 54-4 is fixedly arranged on the middle part of the front part of the mounting plate 3-1 of the feeding device 3 and is positioned above the shearing device mounting base 55.

The compacting plate guide assembly 54-3 comprises 1 linear guide rail, the linear guide rail is fixedly arranged on the rear side of the compacting mechanism mounting seat 54-4 along the vertical direction through the guide rail, and the upper compacting plate 54-1 is fixedly arranged on a sliding block of the linear guide rail along the left-right direction through the compacting plate connecting seat 54-5. Compacting plate drive mechanism 54-2 employs a CJP2B16-20D cylinder of SMC. The cylinder body of the pressing plate driving mechanism 54-2 is fixedly arranged on the pressing mechanism mounting seat 54-4 along the up-down direction, the piston rod of the pressing plate driving mechanism extends downwards, the lower end of the pressing plate driving mechanism is fixedly connected with the pressing plate connecting seat 54-5, and therefore the upper pressing plate 54-1 is driven by the pressing plate driving mechanism 54-2 to move up and down along the linear guide rail of the pressing plate guide assembly 54-3.

The shearing device protective cover 56 is fixedly arranged on the shearing device mounting seat 55, and covers the corresponding parts of the shearing device 5 positioned on the lower side of the workbench plate 1-2 from the front, the left side and the right side, so that the safe isolation and protection effects are achieved.

Referring to fig. 1 to 6, 9 to 12, and 17, the circling apparatus 6 includes a reversing robot 61, a robot front-rear driving mechanism 62, a robot front-rear guide assembly 63, a robot left-right driving mechanism 64, a robot left-right guide assembly 65, and a robot mount 66. The flipping robot 61 swings the gripper using the MRHQ16D-180S-N of SMC. The air claw of the turnover manipulator 61 swings 180 degrees in a turnover manner.

The manipulator front and rear driving mechanism 62 comprises a manipulator driving motor 62-1, a manipulator first synchronous pulley, a manipulator second synchronous pulley 62-3 and a manipulator driving synchronous belt 62-4. The robot driving motor 62-1 is a stepping motor. The manipulator driving motor 62-1 is fixedly arranged on the right rear part of the mounting plate 3-1 of the feeding device 3 by a motor casing, and a motor shaft thereof is arranged towards the left. The first synchronous belt wheel transmission of the manipulator is arranged on a motor shaft of a manipulator driving motor 62-1. The second synchronous belt pulley 62-3 of the manipulator is rotatably arranged on the front part of the right side of the mounting plate 3-1 of the feeding device 3, and the manipulator driving synchronous belt 62-4 is arranged around the first synchronous belt pulley of the manipulator and the second synchronous belt pulley 62-3 of the manipulator.

The manipulator front and rear guide assembly 63 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 device 3 along the front and rear direction and is positioned below the turnover groove 3-1a, and the manipulator mounting seat 66 is fixedly arranged on a slide block of the linear guide rail. The robot mounting seat 66 is in transmission connection with a robot driving timing belt 62-4 through a timing belt clip, so that the robot driving motor 62-1 drives the robot mounting seat 66 to move back and forth along the linear guide rail of the robot guide assembly 63 through the robot driving timing belt 62-4.

The robot left-right driving mechanism 64 employs a CJP2B16-20D cylinder of SMC. The cylinder of the robot left-right driving mechanism 64 is fixedly disposed on the robot mounting base 66, and the piston rod thereof extends rightward.

The manipulator left and right guide assembly 65 comprises 1 linear guide rail, the linear guide rail is fixedly arranged on the manipulator mounting base 66 along the left and right directions through the guide rail, the turnover manipulator 61 is arranged along the left and right directions and is fixedly arranged on a slide block of the linear guide rail through a corresponding connecting base, and the gas claw 61-1 extends to the left outside of the mounting plate 3-1 from the turnover groove 3-1a of the mounting plate 3-1 of the feeding device 3.

Referring to fig. 1 to 6 and 18, the conveying device 7 includes a feeding mounting seat 71, a conveying clamping assembly 72, a feeding driving mechanism 73 and a feeding guide assembly 74.

The feed mount 71 is fixedly provided in the front portion of the sewing machine head 21 in the left-right direction.

The conveying clamping assembly 72 comprises a lower material clamping plate 72-1, an upper material clamping plate 72-2, a clamping plate driving cylinder 72-3, a clamping plate guiding cylinder 72-4 and a linear bearing. The linear bearing of the conveying clamping assembly 72 adopts a Misimm LMN-N8 linear bearing.

The lower material clamping plate 72-1 is fixedly arranged on the lower part of the clamping component mounting seat 73-5, and the front part of the lower material clamping plate is arranged in a rightward protruding mode.

The linear bearing of the conveying clamping assembly 72 is fixedly arranged in the clamping assembly mounting seat 73-5, the clamping plate guide cylinder 72-4 is arranged in the linear bearing in a sliding manner along the vertical direction, and the lower end of the clamping plate guide cylinder 72-4 is fixedly connected with the upper clamping material plate 72-2. The clamp plate driving cylinder 72-3 adopts a MGJ10-10 with guide rod cylinder of SMC. The clamping plate driving cylinder 72-3 is fixedly arranged on the right side of the clamping assembly mounting seat 73-5 by the cylinder body thereof, and the piston rod thereof extends downwards. The upper material clamping plate 72-2 is fixedly connected with a mounting plate on a piston rod of the clamping plate driving cylinder 72-3, is positioned above the lower material clamping plate 72-1 and corresponds to the lower material clamping plate 72-1, so that the clamping plate driving cylinder 72-3 drives the upper material clamping plate 72-2 to move up and down, and the upper material clamping plate 72-2 and the lower material clamping plate 72-1 form a corresponding material clamping and clamping mechanism.

The feeding driving mechanism 73 comprises a feeding driving motor 73-1, a feeding first synchronous pulley 73-2, a feeding second synchronous pulley 73-3, a feeding driving synchronous belt 73-4 and a clamping component mounting seat 73-5. The feed drive motor 73-1 is a stepping motor. The feeding driving motor 73-1 is fixedly arranged on the left part of the feeding mounting seat 71 through a motor shell thereof, and a motor shaft thereof is arranged forwards. The feeding first synchronous belt wheel 73-2 is arranged on a motor shaft of the feeding driving motor 73-1 in a transmission way. The feeding second synchronous pulley 73-3 is rotatably arranged on the right part of the feeding mounting seat 71, and the feeding driving synchronous belt 73-4 is arranged around the feeding first synchronous pulley 73-2 and the feeding second synchronous pulley 73-3.

The feeding guide assembly 74 comprises 1 linear guide rail, the linear guide rail is horizontally and fixedly arranged on the feeding mounting base 71 along the left-right direction, and the clamping assembly mounting base 73-5 is fixedly arranged on a slide block of the linear guide rail. The clamping component mounting base 73-5 is in transmission connection with the feeding driving synchronous belt 73-4 through a synchronous belt clamp, so that the feeding driving motor 73-1 drives the clamping component mounting base 73-5 to move left and right along the linear guide rail of the feeding guide component 74 through the feeding driving synchronous belt 73-4.

The utility model discloses a little tong "pan is made up equipment during the use:

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

2. The small belt loops on the material tray sequentially pass through a group of belt winding shafts 3-53 in an S shape and pass through the upper parts of the belt winding shafts 3-53 positioned at the forefront, are positioned between 2 retainer rings of the belt winding shafts 3-53, and then downwards pass through a belt passing groove 3-42-1 between a belt passing seat 3-42 and a belt passing seat pressing plate 3-43 of the detection adjusting mechanism 3-4. And further passes downwards between the first press roll 3-34 and the second press roll 3-35. Then, the yarn guide device passes through the lower part of the first yarn guide shaft 41-1 of the yarn guide frame 41 of the clamping and tensioning device 4, then sequentially passes through the yarn guide rods 41-3 in an S shape, then passes through the space between the upper fixed pressing plate 42 and the lower pressing plate 43, passes through the space above the second yarn guide shaft 41-2, and then passes through the space.

3. The manipulator front-back driving mechanism 62 of the winding device 6 drives the turning manipulator 61 to move forward 9 mm from the starting position (located at the back side of the shearing device 5) to a position between the clamping and tensioning device 4 and the shearing device 5, the pneumatic claw 61-1 of the turning manipulator 61 of the winding device 6 clamps the rear end of the small belt loop, then the manipulator front-back driving mechanism 72 drives the turning manipulator 71 to pull the small belt loop to move backward for a certain distance (2 cm in the embodiment, the small belt loop can be adjusted according to the size), and then the small belt loop is stopped, 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 synchronously convey the small belt loop downward.

After the material is pulled backwards after stopping, the air claw 61-1 of the turnover manipulator 61 is turned over for 180 degrees, and the end of the small belt loop is turned upwards and then faces forwards; the lower platen 43 is then driven by the lower platen drive mechanism 44 of the nip-tensioner 4 to move upward, clamping the corresponding portion of the tab with the upper stationary platen 42, and the second pressure roller 3-35 and the first pressure roller 3-34 stop the feeding of the tab.

The manipulator forward-backward driving mechanism 62 drives the flipping manipulator 61 to pull the small belt loop to move forward by 11 mm (i.e. the starting position), and the small belt loop forms a ring shape with a forward vertical opening.

4. The shearing mechanism driving device 53 of the shearing device 5 drives the shearing mechanism 51 to move upwards until the fixed cutter 51-2 is positioned at the lower side of the small belt loop. The upper pressing plate 54-1 is driven by the pressing plate driving mechanism 54-2 of the auxiliary pressing mechanism 54 to move downwards along the pressing plate guide assembly 54-3, and the upper pressing plate 54-1 simultaneously presses and fixes the upper end and the lower end of the small belt loop on the upper side of the fixed cutting knife 51-2.

5. Then, the gas claw 61-1 of the inverting robot 61 is released, and the robot left-right driving mechanism 64 drives the inverting robot 61 to move rightward.

6. The lower material clamping plate 72-1 of the conveying clamping assembly 72 of the conveying device 7 and the lower clamping part 82-11 of the lower material clamping plate 72-1 extend into the rear side of the upper pressing plate 54-1 of the shearing device 5 to simultaneously clamp the two ends of the small belt loop. Then, the movable knife driving mechanism 51-6 of the shearing mechanism 51 drives the movable knife shaft 51-4 to rotate, so that the movable knife 51-3 rotates clockwise to form a closed shearing action with the fixed knife 51-2, and the small belt loop is cut off.

Then, the shearing mechanism driving device 53 of the shearing device 5 drives the shearing mechanism 51 to move downward and reset. The upper pressing plate 54-1 is upwardly returned by the pressing plate driving mechanism 54-2 of the auxiliary pressing mechanism 54. The manipulator left-right driving mechanism 64 drives the inverting manipulator 61 to move leftwards, and then returns after rotating 180 degrees.

7. The conveying clamping assembly 72 sends the annular small belt loop to the sewing machine head 21, the second presser foot 22-2 presses down to press the small belt loop, and then the conveying clamping assembly 72 is reset after loosening the small belt loop. The corresponding clothing cloth to be sewn on the small loop is manually put on the small loop belt, the first presser foot 22-1 is pressed downwards, and then sewing is carried out by the sewing component 2.

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

Claims

1. A small loop sewing device comprises a workbench component and a sewing component; the workbench component comprises a rack and a workbench plate, and the workbench plate is arranged on the rack; the sewing assembly comprises a sewing machine head and a presser foot; the sewing machine head is fixedly arranged on the middle part of the working table plate along the front-back direction; the method is characterized in that: the device also comprises a feeding device, a clamping and tensioning device, a shearing device, a ring winding device and a conveying device; the feeding device comprises a mounting plate, a feeding driving mechanism and a press roller mechanism; the mounting plate is vertically and fixedly arranged on the right part of the working table plate along the front-back direction; the feeding driving mechanism and the press roller mechanism are both arranged on the mounting plate, and the press roller mechanism is driven by the feeding driving mechanism to carry out active feeding on the small belt loop; the clamping and tensioning device is arranged on the mounting plate of the feeding device; the clamping and tensioning device is used for clamping and fixing the small belt loop; the winding device is used for folding the small belt loop into a ring shape with a forward opening; the shearing device is arranged on the mounting plate of the feeding device; the shearing device is provided with a shearing mechanism and an auxiliary pressing mechanism, the auxiliary pressing mechanism is used for clamping and fixing two ends of the small belt loop, and the shearing mechanism is used for cutting off the small belt loop; the conveying device is used for conveying the annular small belt loop to a sewing machine head, and the sewing component is used for sewing two end heads of the annular small belt loop on corresponding clothing materials.

2. The small loop sewing apparatus according to claim 1, characterized in that: the ring winding device comprises a turnover manipulator, a manipulator front and back driving mechanism, a manipulator front and back guide assembly, a manipulator left and right driving mechanism, a manipulator left and right guide assembly and a manipulator mounting seat; the overturning mechanical arm adopts a swinging air claw, and the air claw of the overturning mechanical arm overturns and swings for 180 degrees; the overturning manipulator is arranged on the manipulator mounting seat through the manipulator left and right guide assembly, and the manipulator left and right driving mechanism is arranged on the manipulator mounting seat and used for driving the overturning manipulator to move left and right along the manipulator left and right guide assembly; the front and rear driving mechanism of the manipulator drives the turnover manipulator to move back and forth along the front and rear guide assemblies of the manipulator.

3. The small loop sewing apparatus according to claim 2, characterized in that: a coil trough is arranged in the middle of the mounting plate of the feeding device; the coil trough is arranged in the front-back direction and penetrates through the left side and the right side of the mounting plate; the front and rear driving mechanism of the manipulator comprises a manipulator driving motor, a manipulator first synchronous belt wheel, a manipulator second synchronous belt wheel and a manipulator driving synchronous belt; the manipulator driving motor is fixedly arranged on the rear part of the right side of the mounting plate of the feeding device through a motor shell of the manipulator driving motor, and a motor shaft of the manipulator driving motor is arranged towards the left; the first synchronous belt wheel of the manipulator is arranged on a motor shaft of a manipulator driving motor in a transmission way; the manipulator second synchronous belt wheel is rotatably arranged on the front part of the right side of the mounting plate of the feeding device, and the manipulator driving synchronous belt is arranged around the manipulator first synchronous belt wheel and the manipulator second synchronous belt wheel;

the manipulator front and back 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 device in the front and back direction and is positioned below the turnover groove, and the manipulator mounting seat is fixedly arranged on a slide block of the linear guide rail; the manipulator mounting base is in transmission connection with a manipulator driving synchronous belt through a synchronous belt clamp, so that a manipulator driving motor drives the manipulator mounting base to move back and forth along a linear guide rail of the manipulator guide assembly through the manipulator driving synchronous belt;

the left and right driving mechanisms of the manipulator are driven by cylinders; the cylinder body of the left and right driving mechanism of the manipulator is fixedly arranged on the manipulator mounting seat, and a piston rod of the left and right driving mechanism of the manipulator extends out rightwards;

4. The small loop sewing apparatus according to claim 1, characterized in that: the shearing device also comprises a shearing mechanism guide assembly, a shearing mechanism driving device and a shearing device mounting seat; the shearing device mounting seat is fixedly arranged on the lower part of the front part of the mounting plate of the feeding device; the shearing mechanism guide assembly and the shearing mechanism driving device are arranged on the shearing device mounting seat;

the shearing mechanism of the shearing device comprises a cutter seat, a fixed cutter, a movable cutter driving mechanism and a shearing mechanism connecting seat; the shearing mechanism connecting seat is arranged on the shearing mechanism guide assembly; the cutter seat is fixedly arranged on the upper part of the shearing mechanism connecting seat; the fixed cutter is fixedly arranged on the rear part of the cutter seat along the left-right direction; the movable cutter driving mechanism drives the fixed cutter to rotate and the fixed cutter cuts off the small belt loop; the shearing mechanism driving device drives the shearing mechanism to move up and down along the shearing mechanism guide assembly;

the auxiliary pressing mechanism comprises an upper pressing plate, a pressing plate driving mechanism, a pressing plate guide assembly and a pressing mechanism mounting seat; the pressing mechanism mounting seat is fixedly arranged on the middle part of the front part of the mounting plate of the feeding device and is positioned above the shearing device mounting seat; the upper pressing plate is driven by the pressing plate driving mechanism to move up and down along the pressing plate guide assembly, and the small belt loop is pressed and fixed on the fixed cutter downwards.

5. The small loop sewing apparatus according to claim 4, wherein: the shearing mechanism also comprises a movable knife shaft and a movable knife hold-down spring; the movable cutter driving mechanism drives the movable cutter shaft to rotate, the movable cutter pressing spring is sleeved on the movable cutter shaft and located between the front side of the movable cutter and the corresponding part of the cutter seat and in a compressed state, the movable cutter pressing spring is used for pushing the movable cutter backwards, the movable cutter is pressed and attached to the front side of the fixed cutter, and the movable cutter driving mechanism drives the movable cutter shaft to rotate.

6. The small loop sewing apparatus according to claim 1, characterized in that: the compression roller mechanism of the feeding device comprises a compression roller fixing seat, a compression roller adjusting seat, a first compression roller and a second compression roller; the compression roller fixing seat is fixedly arranged on the front part of the left side of the mounting plate; the first compression roller is rotatably arranged on the compression roller fixing seat and is driven to rotate by the feeding driving mechanism; the second compression roller rotates and sets up on the seat is adjusted to the compression roller, is located the place ahead of first compression roller, adjusts the distance between second compression roller and the first compression roller through the seat is adjusted to the compression roller, and the second compression roller compresses tightly little belt on first compression roller, carries out the transport of little belt by first compression roller and second compression roller.

7. The small loop sewing apparatus according to claim 6, wherein: the compression roller mechanism of the feeding device further comprises a first linear guide rail, a first compression spring and a first adjusting cylinder;

the first linear guide rail is fixedly arranged on the front part of the left side of the mounting plate in the front-back direction and is positioned above the compression roller fixing seat, and the compression roller adjusting seat is fixedly arranged on a sliding block of the first linear guide rail; the first adjusting cylinder is fixedly arranged on the compression roller adjusting seat through a cylinder body, a piston rod of the first adjusting cylinder extends backwards, and the piston rod of the first adjusting cylinder extends backwards to abut against a corresponding fixed top plate arranged on the mounting plate, so that the compression roller adjusting seat moves forwards; the first compression spring is arranged between the fixed top plate and the rear part of the compression roller adjusting seat in the front-back direction, and the first compression spring is used for enabling the compression roller adjusting seat to move backwards along the first linear guide rail.

8. The small loop sewing apparatus according to claim 7, wherein: the feeding device also comprises a detection adjusting mechanism; the detection adjusting mechanism comprises a threading mounting seat, a threading seat pressing plate, a threading linear guide rail, a second compression spring and a first detection light eye;

the tape threading mounting seat is fixedly arranged on the rear part of the upper side of the compression roller fixing seat; the tape threading linear guide rail is fixedly arranged on the tape threading mounting seat along the vertical direction; the tape threading seat is fixedly arranged on the sliding block of the tape threading linear guide rail; a belt penetrating groove with a forward opening penetrating through the upper part and the lower part is arranged on the front side of the belt penetrating seat; the tape threading seat pressing plate is fixedly arranged on the front side of the tape threading seat and covers the tape threading groove from the front; the upper part of the threading seat is provided with a photo eye detection part which protrudes upwards; the first detection light eye is fixedly arranged on the upper part of the threading mounting seat along the front-back direction; the second compression spring is arranged between the compression roller fixing seat and the tape threading seat and used for enabling the tape threading seat to move upwards along the tape threading linear guide rail, and the photo eye detection part of the tape threading seat is located in front of the first detection photo eye.

9. The small loop sewing apparatus according to claim 1, characterized in that: the clamping and tensioning device comprises a wire passing frame, an upper fixed pressing plate, a lower pressing plate and a lower pressing plate driving mechanism;

the wire passing frame is fixedly arranged on the left side of the front part of the mounting plate of the feeding device; a first wire passing shaft is arranged on the left side of the front part of the wire passing frame in the left-right direction, two retaining rings are arranged on the first wire passing shaft, and the distance between the two retaining rings can be adjusted; a second wire passing shaft is arranged on the left side of the rear part of the wire passing frame in the left-right direction, two retaining rings are arranged on the second wire passing shaft, and the distance between the two retaining rings can be adjusted; a group of wire passing rods are sequentially arranged between the first wire passing shaft and the second wire passing shaft on the wire passing frame from front to back;

the upper fixed pressing plate is fixedly arranged on the left side of the rear part of the wire passing frame and extends out leftwards; the upper fixing pressing plate is positioned between the second wire passing shaft and the last wire passing rod; the lower pressing plate driving mechanism adopts a cylinder driving mode; the lower pressing plate driving mechanism is fixedly arranged on the left side of the front part of the mounting plate of the feeding device through a cylinder body of the lower pressing plate driving mechanism and is positioned below the upper fixed pressing plate, and a piston rod of the lower pressing plate driving mechanism extends upwards; the lower pressing plate is fixedly arranged on a mounting plate on a piston rod of the lower pressing plate driving mechanism, so that the lower pressing plate is driven by the lower pressing plate driving mechanism to move up and down, and the lower pressing plate and the upper fixing pressing plate form a corresponding material clamping mechanism.

10. The small loop sewing apparatus according to claim 1, characterized in that: the conveying device comprises a feeding mounting seat, a conveying clamping assembly, a feeding driving mechanism and a feeding guide assembly; the feeding mounting seat is fixedly arranged in the front part of the sewing machine head along the left-right direction; the conveying clamping assembly comprises a lower material clamping plate, an upper material clamping plate, a clamping plate driving cylinder, a clamping plate guiding cylinder and a linear bearing; the lower clamping plate is fixedly arranged on the lower part of the clamping component mounting seat, and the front part of the lower clamping plate is arranged in a protruding manner towards the right; the linear bearing of the conveying clamping assembly is fixedly arranged in the clamping assembly mounting seat, the clamping plate guide cylinder is arranged in the linear bearing in a vertically sliding manner, and the lower end of the clamping plate guide cylinder is fixedly connected with the upper clamping plate; the clamping plate driving cylinder is fixedly arranged on the right side of the clamping component mounting seat through a cylinder body, and a piston rod of the clamping plate driving cylinder extends downwards; the upper material clamping plate is fixedly connected with a mounting plate on a piston rod of the clamping plate driving cylinder, is positioned above the lower material clamping plate and corresponds to the lower material clamping plate, so that the clamping plate driving cylinder drives the upper material clamping plate to move up and down, and the upper material clamping plate and the lower material clamping plate form a corresponding material clamping and clamping mechanism; the feeding driving mechanism drives the conveying clamping assembly to move left and right along the feeding guide assembly.