CN214005001U

CN214005001U - Automatic sewing equipment

Info

Publication number: CN214005001U
Application number: CN202022864799.2U
Authority: CN
Inventors: 方越洋
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2021-08-20
Anticipated expiration: 2030-12-03

Abstract

The utility model discloses an automatic sewing device, which comprises a material storing and feeding device, a frame, a controller, a material clamping device, a front material pressing and rotating device, a rear material pressing and rotating device, a label sticking device and a overedger; the storage and feeding device is used for storing and transferring the blocky towel cloth blank or storing and cutting the strip-shaped raw material into blocky towel cloth blanks; the clamping device is used for clamping a towel cloth blank and transferring the towel cloth blank to the front section and the rear section of the working table; the front pressing rotating device is used for pressing the blank of the towel cloth and transferring the blank to the label adhering device, and is also used for rotating the blank of the towel cloth and adjusting the relative position of the label and the overedger seaming starting point; the label sticking device is used for applying a label and fixing the label; the back pressing rotating device is used for pressing the towel cloth blank and transferring the towel cloth blank to the overedger, and the back pressing rotating device can rotate the towel cloth blank to enable the overedger to perform right-angle or fillet four-edge overedged on the towel cloth blank in sequence; the utility model discloses work efficiency has been improved greatly.

Description

Automatic sewing equipment

Technical Field

The utility model relates to an automatic sewing machine that is used for products such as towelling cloth, scouring pad, specifically is an automatic sewing machine who relates to one kind and has improved whole overedger's work efficiency greatly.

Background

Towel cloth and scouring pad (also called dish towel) are daily necessities frequently used in daily life and are called towels below, and the towels generally consist of a towel cloth blank and an edge covering, and the edge covering is sewn on four sides of the towel cloth blank through sewing equipment so as to prevent the towel cloth blank from being off.

At present, the edge covering sewing of towels in the market is mostly carried out by adopting a mode of manually operating an edge covering sewing machine, and the production process comprises the following steps: cutting towel cloth blanks with corresponding sizes, transporting the cut towel cloth blanks to a processing area, and performing four-edge sewing on a cup seaming machine manually. The production process basically finishes the edge covering and sewing work of the towel manually, has low production efficiency and higher production cost, and can not ensure the production quality. Therefore, automatic sewing equipment for towel edge covering sewing is developed and designed, and mainly comprises a controller, a storage device, a cutting device, a clamping device, a cloth pressing device and an overedger. The material storage device is used for storing strip-shaped raw materials to be loaded, the material clamping device can move back and forth relative to the cutting device, and the material clamping device is used for clamping the strip-shaped raw materials from the material storage device and pulling out the strip-shaped raw materials according to a set distance; the cutting device is used for cutting the pulled strip-shaped raw material to form the required towel cloth blank. The cloth pressing device is used for pressing the cut towel cloth blank and moving the towel cloth blank to the overedger so that the overedger can perform edge covering sewing on the towel cloth blank, and the controller is used for controlling the actions of the devices. Some sewing machines also include label feeding means for effecting the feeding, cutting, folding and positioning of the strip of label stock at the edge of the terry cloth blank. The label feeding device generally comprises a label feeding frame, a label wheel, a label transmission mechanism, a label cutting mechanism, a label clamping mechanism and a label pressing mechanism, wherein the label feeding frame is installed on the side face of the rack, the label pressing mechanism is installed on a sucking disc pressing component of a pressing and rotating device used for rotating towel cloth blanks to perform edge covering sewing, under the control of a controller, the label transmission mechanism conveys a label material belt from the label wheel to the label cutting mechanism, the label cutting mechanism cuts the label material belt into folded labels or straight labels according to a set distance, the label clamping mechanism clamps the folded labels or the straight labels and transfers the folded labels or the straight labels to the label pressing mechanism, and the label pressing mechanism clamps the folded labels or the straight labels and presses the towels at preset positions of the edges of the towel cloth blanks. In the structure, the label feeding device needs to be arranged at the overedger, and the pressing mechanism of the label feeding device is arranged at the sucking disc pressing assembly of the pressing rotating device, so that the overedger can move to perform edge covering sewing after finishing conveying, cutting and folding the label material belt and positioning the label material belt at the blank position of the towel cloth, and the overedger stops for a long waiting time, thereby greatly improving the working efficiency of the whole overedger. Therefore, the automatic overedger needs to be designed without occupying the overedger overedging sewing time, and the work efficiency of the overedger is greatly improved.

In addition, the material clamping device, the cloth pressing device, the edge-covering belt conveying device and the like in the overedging equipment also need to be further structurally optimized so as to improve the equipment performance and reduce the equipment manufacturing cost.

Disclosure of Invention

In order to solve the technical problem, the utility model provides an automatic sewing machine can accomplish the mark that glues of label at the anterior segment of overedger process, need not to occupy the sewing time of borduring of overedger, has improved the work efficiency of overedger equipment greatly.

The technical scheme of the utility model is realized like this: an automatic sewing device comprises a material storage and feeding device, a rack with a working table surface, a controller, a material clamping device, a front material pressing rotating device, a rear material pressing rotating device, a label adhering device and an overedger, wherein the material clamping device, the front material pressing rotating device, the rear material pressing rotating device, the label adhering device and the overedger are connected with the controller and are arranged on the rack; the storage and feeding device is used for storing and transferring the blocky towel cloth blank or storing a strip-shaped raw material and cutting the strip-shaped raw material into blocky towel cloth blanks in the transferring process, and is arranged on one side of the rack; the clamping device is used for clamping towel cloth blanks from the material storage and feeding device and transferring the towel cloth blanks to a front material pressing and rotating device at the front section of the working table, and the clamping device is also used for transferring the towel cloth blanks from the front material pressing and rotating device to a rear material pressing and rotating device at the rear section of the working table; the front pressing rotating device is used for pressing the blank of the towel cloth and transferring the blank to the label sticking device; the label sticking device is used for sticking a label and fixing the label on the towel cloth blank; the front pressing rotating device is also used for rotating the blank of the towel cloth and adjusting the relative position of the label on the blank of the towel cloth and the overedger starting point; the back pressing rotating device is used for pressing the towel cloth blank and transferring the towel cloth blank to the overedger, and the back pressing rotating device can rotate the towel cloth blank to enable the overedger to perform right-angle or fillet four-edge overedged on the towel cloth blank in sequence.

Further, when storing up loading attachment and being used for depositing rectangular shape raw materials and transferring the in-process and tailor into cubic towel cloth stock with rectangular shape raw materials, store up loading attachment and include storage device and tailor the device, storage device is used for depositing rectangular shape raw materials to transfer rectangular shape raw materials to tailorring the device, tailor the device and install on one side of frame, tailor the device and be used for fixing and deciding rectangular shape raw materials after pressing from both sides the material device and pull out rectangular shape raw materials settlement distance.

The cutting device comprises a cutting support, a clamping mechanism and a cutting mechanism, the cutting mechanism comprises a cutting electric sliding table and an electric shear, the clamping mechanism comprises a clamping bottom plate, a clamping pressing plate and a clamping air cylinder, the cutting support is mounted on one side of the rack, the clamping bottom plate is mounted on the cutting support, the clamping pressing plate and the clamping bottom plate are arranged oppositely from top to bottom, a first clamping opening is formed between the clamping pressing plate and the clamping bottom plate, and the clamping air cylinder can drive the clamping pressing plate to move up and down under the control of the controller, so that the clamping pressing plate and the clamping bottom plate can clamp a strip-shaped raw material which passes through the first clamping opening; the electric sliding table for cutting is installed on the cutting support and located on the front side of the first clamping opening, the electric shears are installed on the electric sliding table for cutting, and under the control of the controller, the electric sliding table for cutting can drive the electric shears to move for a set distance along the width direction of the long-strip-shaped raw material, so that the long-strip-shaped raw material passing through the first clamping opening is cut.

Further, when the storage feeding device is used for storing blocky towel cloth blanks and transferring the towel cloth blanks, the storage feeding device comprises a storage device and a supporting jig, the supporting jig comprises a supporting front plate and a supporting rear plate, the storage device comprises a storage frame, a storage bin and a material taking mechanism, the storage bin and the material taking mechanism are installed on the storage frame, a plurality of comb teeth which are distributed at intervals are formed at the front end of the supporting front plate, the supporting front plate is installed on one side of the rack through a supporting frame, the supporting rear plate is installed on one side of the storage frame, the supporting front plate is in butt joint with the supporting rear plate to form a pre-feeding area together, under the control of the controller, the material taking mechanism can extract the towel cloth blanks from the storage bin and transfer the towel cloth blanks to the pre-feeding area, and the material clamping device clamps the towel cloth blanks from the pre-feeding area on the supporting front plate.

The clamping device comprises a clamping mechanism, a pulling mechanism, a lifting mechanism and a cloth pressing mechanism, the lifting mechanism is used for driving the clamping mechanism to lift, the pulling mechanism is used for driving the lifting mechanism and driving the clamping mechanism to reciprocate along the feeding direction, the clamping mechanism comprises an upper toothed plate, a lower toothed plate, a clamping frame, at least one clamping cylinder and transmission assemblies in one-to-one correspondence with the clamping cylinders, the upper toothed plate is provided with a plurality of upper comb teeth, the lower toothed plate is provided with a plurality of lower comb teeth, the clamping frame is connected with the lifting mechanism, the lower toothed plate is mounted on the clamping frame, the clamping cylinders are mounted on the clamping frame, and the clamping cylinders drive the upper toothed plate to open and close up and down relative to the lower toothed plate through the transmission assemblies, so that the upper comb teeth and the lower comb teeth can clamp or separate from a towel blank; the cloth pressing mechanism comprises a cloth pressing piece and a cloth pressing cylinder, the cloth pressing cylinder is installed on the clamping frame, and the cloth pressing cylinder can drive the cloth pressing piece to lift, so that the cloth pressing piece presses or leaves the blank of the towel cloth.

Furthermore, the front pressing rotating device comprises a front pressing assembly, the front pressing assembly comprises a front pressing plate and a front extending piece structure, the front extending piece structure comprises a plurality of front extending pieces arranged on the periphery of the front pressing plate, the front pressing plate presses the blank of the towel cloth through the front extending pieces, and the front extending pieces can extend into the label sticking device; the front pressing rotating device also comprises a front z-direction driving mechanism, a front motor base, a front rotating motor, a front gas electric slip ring and a front y-direction electric slip table; the front z-direction driving mechanism comprises a front z-direction driving cylinder and a front material pressing seat, the front material pressing seat is fixedly connected with an output shaft of the front z-direction driving cylinder, a front pressing plate is fixedly connected to the bottom of the front material pressing seat, and the front z-direction driving mechanism further comprises a front guide assembly for guiding the front material pressing seat to move along the z direction; the front y-direction electric sliding table is mounted on the rack and can move and be positioned along the x direction, the front motor base is mounted on the front y-direction electric sliding table, the fixed part of the front gas electric sliding ring is mounted on the front motor base, the front z-direction driving cylinder is mounted on the rotating part of the front gas electric sliding ring, the front rotating motor is mounted on the front motor base and drives the front pressing assembly along the z direction, so that the towel cloth blank is pressed on the working table board by the front pressing assembly, the front rotating motor drives the front z-direction driving cylinder and the front pressing assembly through the front gas electric sliding ring, the towel cloth blank can rotate according to a set angle, and the front y-direction electric sliding table can drive the pressing assembly and the towel cloth blank to move in the y direction through the front motor base, the front gas electric sliding ring and the front z-direction driving cylinder.

Furthermore, the rear pressing rotating device comprises a rear pressing assembly, the rear pressing assembly comprises a rear pressing plate and a rear extending piece structure, the rear extending piece structure comprises a plurality of rear extending pieces arranged on the periphery of the rear pressing plate, the rear pressing plate presses the towel cloth blank through the rear extending pieces, and the rear extending pieces can extend below the pressing foot of the overedger; the rear pressing rotating device also comprises a rear z-direction driving mechanism, a rear motor base, a rear rotating motor, a rear gas-electric slip ring, a rear x-direction electric sliding table and a rear y-direction electric sliding table; the rear z-direction driving mechanism comprises a rear z-direction driving cylinder and a rear material pressing seat, the rear material pressing seat is fixedly connected with an output shaft of the rear z-direction driving cylinder, a rear pressing plate is fixedly connected to the bottom of the rear material pressing seat, and the rear z-direction driving mechanism further comprises a rear guide assembly for guiding the rear material pressing seat to move along the z direction; a rear y-direction electric sliding table is arranged on the frame, a rear x-direction electric sliding table is arranged on the rear y-direction electric sliding table, a rear motor base is arranged on the rear x-direction electric sliding table, a fixed part of a rear gas-electric sliding ring is arranged on the rear motor base, a rear z-direction driving cylinder is arranged on a rotating part of the rear gas-electric sliding ring, a rear rotating motor is arranged on the rear motor base, the rear z-direction driving cylinder drives a rear pressing component along the z direction, the rear pressing component presses the towel cloth blank on the working table surface, the rear rotating motor drives the rear z-direction driving cylinder and the rear pressing component through the rear gas-electric sliding ring, the towel cloth blank can rotate according to a set angle, the rear x-direction electric sliding table can drive the pressing component and the towel cloth blank to move in the x direction through the rear motor base, the rear gas-electric sliding ring and the rear z-direction driving cylinder, and the rear y-direction electric sliding table can drive the rear x-direction electric, The rear air electric slip ring and the rear z-direction driving cylinder drive the rear pressing assembly and the terry cloth blank to move in the y direction.

Further, the label sticking device comprises a label feeding frame, a label material wheel arranged on the label feeding frame, a label transmission mechanism, a label cutting mechanism, a label clamping mechanism and an ultrasonic label sticking mechanism, wherein the label feeding frame is arranged on the side surface of the frame, the label transmission mechanism conveys a label material belt from the label material wheel to the label cutting mechanism, the label cutting mechanism cuts the label material belt into a folded label or a straight label according to a set distance, the label clamping mechanism clamps the folded label or the straight label and transfers the folded label or the straight label to the ultrasonic label sticking mechanism, the ultrasonic label sticking mechanism comprises a label sticking base, an ultrasonic transducer, a welding pressure head and a pressure head lifting assembly, the label sticking base is arranged on the label feeding frame, the ultrasonic transducer and the welding pressure head are arranged on the label sticking base, and the welding pressure head and the ultrasonic transducer are arranged up and down relatively, and the pressure head lifting assembly drives the welding pressure head to move relative to the ultrasonic transducer, so that the folding mark or the straight mark is welded at the preset position of the edge of the towel cloth blank.

Further, the electric heating thread cutting device comprises an upper cutter shaft, a shaft bracket, an upper cutter, a driving source, a connecting plate and an electric heating piece, wherein the shaft bracket is installed on a machine table of the overedger, the connecting plate is installed on the machine table, a cutter opening groove is formed in the top of the connecting plate, the electric heating piece is installed in the cutter opening groove and is connected to the controller through a control circuit, the upper cutter shaft is rotatably installed on the shaft bracket, the driving source is installed on a machine head of the overedger and fixedly connected to the front end of the upper cutter shaft, and under the control of the controller, the driving source can drive the rear end of the upper cutter shaft to rotate positively and negatively and drive the upper cutter to be pressed on the electric heating piece in the cutter opening groove or opened.

Further, still include the initiative tape unit that send, including the slide, the material wheel with send a mechanism, send a mechanism including sending a support, the drive roll, the driven voller and driving motor, send a support mounting on the aircraft nose of overedger, drive roll and driven voller rotate and install on sending a support, form between drive roll and the driven voller and send a slit, driving motor installs on sending a support, driving motor drive roll and drive the driven voller and rotate, will come from the material wheel and be led to the area of borduring in sending a slit and move towards the slide initiative.

The utility model has the advantages that: the utility model provides an automatic sewing machine has realized depositing cubic towel cloth blank and transferring or depositing rectangular shape raw materials and transferring the function that the in-process was tailor into cubic towel cloth blank to rectangular shape raw materials through storing up loading attachment. The clamping device has the advantages that the towel cloth blank is clamped from the material storage and feeding device, transferred to the front section of the working table surface of the frame and clamped again to the rear section. The towel cloth blank at the front section of the workbench surface is pressed and transferred to the label sticking device through the front pressing rotating device, the towel cloth blank can be rotated by the front pressing rotating device, the relative position of a label on the towel cloth blank and a overedger seaming initial point is adjusted, the towel cloth blank can be directly subjected to edge-covering sewing after being transferred to the overedger seaming initial point without being adjusted, and therefore the work efficiency of the edge-covering sewing is greatly improved. The label sticking device is arranged at the front section of the rack and used for feeding labels and fixing the labels on the towel cloth blank, so that the labels are placed at the front section of the overedger, the overedger edge covering sewing time does not need to be occupied, and the work efficiency of the overedger can be greatly improved. The function of pressing the towel cloth blank at the rear section of the working table top and transferring the towel cloth blank to the overedger is realized through the rear pressing rotating device, and the towel cloth blank can be rotated by the rear pressing rotating device, so that the overedger can perform right-angle or round-angle four-side overedged on the towel cloth blank in sequence; the redundant edge-wrapping tail lines left by the blank of the overedging machine overedging towel cloth are cut off and are bonded in a hot melting mode through the electric heating wire cutting device. The active belt conveying device can keep the edge covering belt in a loose state (without tension) or send the edge covering belt into the overedger with constant tension, so that the problems of wrinkling, unevenness and the like caused by tensioning of the edge covering belt are solved, and the edge covering quality of the towel is improved. The utility model discloses need not the manual work and make up towel cloth or scouring pad, it is high to have degree of automation, and production efficiency is high, the reliable and stable advantage of production quality. The utility model discloses applicable rectangular shape raw materials of not tailorring with tailor into multiple circumstances such as massive towel cloth blank, the commonality is good.

Drawings

FIG. 1 is a perspective view of the automatic sewing machine of the present invention (in the case of a long bar-shaped material);

FIG. 2 is a top view of the automatic sewing machine of the present invention;

FIG. 3 is a schematic structural view of the front view angle of the middle electric heating wire cutting device of the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 3;

FIG. 5 is a schematic structural view of the rear view angle of the middle electric heating wire cutting device of the present invention;

FIG. 6 is an assembly view of the electric heating thread cutting device of the present invention on the overedger;

fig. 7 is a schematic structural view of the storage device for strip-shaped raw materials according to the present invention;

FIG. 8 is a perspective view of the cutting device for elongated material of the present invention;

FIG. 9 is a perspective view of another perspective of the cutting device for elongated materials of the present invention;

FIG. 10 is an enlarged view of the structure at B in FIG. 9;

FIG. 11 is a top view of the cutting device for elongated stock material of the present invention;

fig. 12 is a side view of the cutting device for long strip shaped raw material of the present invention.

Fig. 13 is a schematic structural view of the material storage device for the block-shaped towel cloth blank of the present invention;

fig. 14 is a side view of the preferred embodiment 1 of the material clamping device of the present invention;

FIG. 15 is an enlarged view of the structure of FIG. 14 at C;

fig. 16 is a perspective view of a preferred embodiment 1 of the material clamping device of the present invention;

fig. 17 is a perspective view of another view angle of the preferred embodiment 1 of the material clamping device of the present invention;

fig. 18 is an assembly view of the preferred embodiment 1 of the material clamping device and a frame of an overlock device;

fig. 19 is an assembly view of the preferred embodiment 2 of the middle clamping device and the frame of the overedger;

FIG. 20 is an enlarged schematic view of D of FIG. 19;

fig. 21 is a schematic structural view of the middle-front swaging and rotating device of the present invention;

fig. 22 is a perspective view of the label adhering device of the present invention;

fig. 23 is a schematic structural view of a label transfer mechanism according to the present invention;

fig. 24 is a schematic structural view of a label cutting mechanism according to the present invention;

fig. 25 is a schematic structural view of a label clamping mechanism according to the present invention;

fig. 26 is a schematic structural view of an ultrasonic label sticking mechanism in the present invention;

FIG. 27 is an enlarged view of E in FIG. 26;

fig. 28 is a schematic structural view of the middle and rear pressing rotating device of the present invention;

fig. 29 is a perspective view of the top view of a part of the structure of the middle and rear material pressing and rotating device of the present invention;

fig. 30 is a perspective view of the bottom view of the partial structure of the middle and rear material pressing and rotating device of the present invention;

FIG. 31 is an enlarged view of the structure of FIG. 34 at F;

fig. 32 is a front perspective view of the active belt feeding device of the present invention;

fig. 33 is a back perspective view of the active tape feeder of the present invention;

fig. 34 is an assembly view of the active feed device and the overedger of the present invention;

FIG. 35 is an enlarged view of FIG. 34 at G;

fig. 36 is a schematic structural view of the middle pull cylinder of the present invention.

Detailed Description

In order to clearly understand the technical content of the present invention, the following embodiments are specifically mentioned, which are only for the purpose of better understanding the content of the present invention and not for the purpose of limiting the scope of the present invention.

FIG. 1 is a perspective view of the automatic sewing machine of the present invention (in the case of a long bar-shaped material); FIG. 2 is a top view of the automatic sewing machine of the present invention (in the case of both the strip-shaped material and the block-shaped blank of terry cloth); referring to fig. 1 and 2, an automatic sewing machine comprises a material storage and feeding device 1, a frame 2 with a working table 21, a controller, a material clamping device 3 connected with the controller and arranged on the frame, a front material pressing rotating device 4, a rear material pressing rotating device 5, a label sticking device 6 and an overlock machine 7; the storage and feeding device is used for storing and transferring the blocky terry cloth blank 100 or storing the strip-shaped raw material 200 and cutting the strip-shaped raw material into blocky terry cloth blanks in the transferring process, and is arranged at one side of the rack; the clamping device is used for clamping towel cloth blanks from the material storage and feeding device and transferring the towel cloth blanks to a front material pressing and rotating device at the front section of the working table, and the clamping device is also used for transferring the towel cloth blanks from the front material pressing and rotating device to a rear material pressing and rotating device at the rear section of the working table; the front pressing rotating device is used for pressing the blank of the towel cloth and transferring the blank to the label sticking device; the label sticking device is used for sticking a label and fixing the label on the towel cloth blank; the front pressing rotating device is also used for rotating the blank of the towel cloth and adjusting the relative position of the label on the blank of the towel cloth and the overedger starting point; the back pressing rotating device is used for pressing the towel cloth blank and transferring the towel cloth blank to the overedger, and the back pressing rotating device can rotate the towel cloth blank to enable the overedger to perform right-angle or fillet four-edge overedged on the towel cloth blank in sequence.

FIG. 3 is a schematic structural view of the front view angle of the middle electric heating wire cutting device of the present invention; FIG. 4 is an enlarged view of the structure at A in FIG. 3; FIG. 5 is a schematic structural view of the rear view angle of the middle electric heating wire cutting device of the present invention; FIG. 6 is an assembly view of the electric heating thread cutting device of the present invention on the overedger; referring to fig. 3-6, the utility model discloses automatic sewing machine still includes electric heat tangent line device 8, electric heat tangent line device includes arbor 81, pedestal 82, go up sword 83, driving source 84, connecting plate 85 and electric heat piece 86, the pedestal is installed on the board 71 of overedger, the connecting plate is installed on the board, the connecting plate top is formed with edge of a knife groove 851, the electric heat piece is installed in the edge of a knife inslot, the electric heat piece is connected to the controller through control circuit, it installs on the pedestal to go up the arbor rotation, the driving source is installed on the aircraft nose 72 of overedger, it is in the front end of last arbor to go up the sword rigid coupling, under the control of controller, the driving source can drive the rear end of going up the arbor and just reverse the rotation, and drive the just reverse rotation of last sword, make the sword pressfitting on edge of a knife inslot electric heat piece or open. The electric heating wire cutting device realizes cutting and hot melting bonding of redundant edge-wrapping tail wires left by the blank of the overedging machine overedging towel cloth, can simultaneously complete the wire cutting and hot melting treatment functions of the edge-wrapping tail wires and prevent the edge-wrapping tail wires from being off.

Preferably, referring to fig. 5, the driving source is an electromagnet, the electromagnet is fixed on the side wall of the machine head through a bracket, a connecting rod 87 is arranged, one end of the connecting rod is pivoted on the power output shaft of the electromagnet through a connecting rod pin 88, and the other end of the connecting rod is sleeved and fixed on the rear end of the upper cutter shaft. Preferably, referring to fig. 5, the shaft bracket includes a vertical plate portion 821 and two shaft block portions 822 formed at an inner side of the vertical plate portion at an interval, the shaft block portion has a positioning shaft hole 823, a shaft shoulder block 811 is formed at a middle portion of the upper cutter shaft, the upper cutter shaft is inserted into the positioning shaft holes of the two shaft block portions, so that one shaft block portion is located between the shaft shoulder block and a rear end of the upper cutter shaft, a positioning pressure spring 89 is installed on the upper cutter shaft between the shaft block portion and the shaft shoulder block, and a plurality of washers 810 are installed on the upper cutter shaft between the shaft block portion and the connecting rod.

Preferably, referring to fig. 3 and 4, the device further includes an air suction pipe 8110, the air suction pipe is installed on the machine platform and located outside the vertical plate portion, and a distance is set between one end of the air suction pipe and the knife edge groove on the connecting plate at an interval, so as to form a wire inlet 8120. Preferably, a tail sensor 8130 for detecting whether a bound tail exists in the wire inlet is installed on the shaft bracket. Preferably, referring to fig. 7, 8, 9, 10, 11 and 12, when the material storing and feeding device is used for storing the strip-shaped raw material and cutting the strip-shaped raw material into the block-shaped blank of the towel cloth during the transferring process, the material storing and feeding device comprises a material storing device 11 and a cutting device 12, the material storing device is used for storing the strip-shaped raw material and transferring the strip-shaped raw material to the cutting device, the cutting device is installed on one side of the rack, and the cutting device is used for fixing and cutting the strip-shaped raw material after the material clamping device pulls the strip-shaped raw material for a set distance.

Preferably, referring to fig. 7, the storage device includes a storage rack 111, a plurality of guide rods 112 and a loading driving mechanism 113, the loading driving mechanism includes a lower driving roller 1131, an upper driving roller 1132 and a loading driving motor 1133, the lower driving roller and the upper driving roller are arranged opposite to each other and rotatably mounted on the storage rack through the roller rack, a feeding slit is formed between the lower driving roller and the upper driving roller, the plurality of guide rods are rotatably mounted on the storage rack, the strip-shaped raw material is guided by the plurality of guide rods and then enters the feeding slit, the loading driving motor is mounted on the roller rack, and under the control of the controller, the loading driving motor can drive the lower driving roller or the upper driving roller to rotate so as to transfer the strip-shaped raw material placed in the feeding slit towards the cutting device. In order to adapt to strip-shaped raw materials with different widths and prevent the strip-shaped raw materials from shifting left and right, two adjusting rings 114 can be sleeved on the guide rod and can slide and be positioned on the guide rod. Preferably, referring to fig. 7, a flattening mechanism 115 may be disposed between the guiding rod and the feeding driving mechanism to further ensure that the long strip-shaped raw material is flattened during feeding, the flattening mechanism mainly comprises an upper wire winding roller 1151, a lower wire winding roller 1152 and a flattening motor 1153, the upper wire winding roller and the lower wire winding roller are disposed opposite to each other and rotatably mounted on the storage rack, and the flattening motor drives the upper wire winding roller or the lower wire winding roller to flatten the long strip-shaped raw material passing between the upper wire winding roller and the lower wire winding roller.

Preferably, referring to fig. 8 and 9, the cutting device includes a cutting support 121, a clamping mechanism 122 and a cutting mechanism 123, the cutting mechanism includes a cutting electric sliding table 1231 and an electric shears 1232, the clamping mechanism includes a clamping bottom plate 1221, a clamping pressure plate 1222 and a clamping cylinder 1223, the cutting support is mounted on one side of the frame, the clamping bottom plate is mounted on the cutting support, the clamping pressure plate and the clamping bottom plate are arranged opposite to each other up and down, so that a first clamping opening 1224 is formed between the clamping pressure plate and the clamping bottom plate, and the clamping cylinder can drive the clamping pressure plate to move up and down under the control of the controller, so that the clamping pressure plate and the clamping bottom plate can clamp the elongated raw material passing through the first clamping opening; the electric sliding table for cutting is installed on the cutting support and located on the front side of the first clamping opening, the electric shears are installed on the electric sliding table for cutting, and under the control of the controller, the electric sliding table for cutting can drive the electric shears to move for a set distance along the width direction of the long-strip-shaped raw material, so that the long-strip-shaped raw material passing through the first clamping opening is cut.

Preferably, referring to fig. 8, the cutting support includes a cutting base 1211 and two slide seats 1212 mounted on the cutting base at intervals, and the electric slide includes a linear slide 12311 and a motor 12312 driving the linear slide, which is supported and mounted on the two slide seats. The electric shears comprise a cutter pedestal 12321, a bed knife 12322 arranged on the cutter pedestal, a movable knife 12323 fixed on the cutter pedestal through a bracket and a movable knife motor 12324, wherein the movable knife motor drives the movable knife to rotate to cut the strip-shaped raw material which is arranged on the cutter pedestal and between the bed knife and the movable knife, and the cutter pedestal is arranged on a slide block of a linear sliding table through a connecting piece. Preferably, the cutting device further comprises a guide mechanism 124 and a support mechanism 125 for guiding the strip-shaped raw material entering the first clamping opening, wherein the guide mechanism and the cutting mechanism are respectively arranged on two sides of the clamping mechanism; prop material mechanism including propping material pinion rack 1251 and propping material cylinder 1252, under the control of controller, prop the material cylinder and can drive and prop the material pinion rack, make and prop the material pinion rack and remove between cutting mechanism and clamping mechanism, prop the comb tooth that the material pinion rack front end was arranged with a plurality of intervals, press from both sides the material device and get rectangular shape raw materials from propping the material pinion rack upward clamp. The cutting support further comprises two feeding frame seats 1213 which are arranged on the cutting bottom plate at intervals and are positioned at the rear side of the first clamping opening; the guide mechanism comprises two adjusting partition plates 1241 and a plurality of guide shafts 1242, the guide shafts are arranged at intervals and installed between the two feeding bases, the axial directions of the guide shafts are the same, the two adjusting partition plates are sleeved on the guide shafts at the same time and are located between the two feeding frame bases, and the adjusting partition plates can slide and be positioned along the guide shafts.

Preferably, referring to fig. 8, a first photosensor 1243 for detecting the edge of the strip-shaped raw material is installed on at least one of the adjustment spacers. Preferably, referring to fig. 11, the material clamping bottom plate includes a horizontal plate portion 12211 and a vertical plate portion 12212, the vertical plate portion is installed on two feeding frame bases, the material clamping cylinder is installed at the bottom of the horizontal plate portion, and a power output shaft of the material clamping cylinder penetrates through the horizontal plate portion and then is fixedly connected with the material clamping pressure plate.

Preferably, referring to fig. 9 and 10, the cutting device further comprises a rotary pressing mechanism 126, the rotary pressing mechanism and the clamping mechanism are respectively arranged on the front side and the rear side of the cutting mechanism, the rotary pressing mechanism comprises a pressing bottom plate 1261, a lifting cylinder 1262 and one or two lifting rotary cylinders 1263, the lifting cylinders are mounted on the cutting bottom plate at intervals through cylinder seats 1264, and the pressing bottom plate is supported and mounted on a power output shaft of the lifting cylinder; the lifting rotary cylinder is installed at the bottom of the material pressing bottom plate, a lifting rotary shaft of the lifting rotary cylinder penetrates through the material pressing bottom plate, a material pressing block 1265 is installed on the lifting rotary shaft of the lifting rotary cylinder, a second clamping opening is formed between the material pressing block and the material pressing bottom plate, the lifting rotary cylinder drives the material pressing block to lift and rotate, the material pressing block and the material pressing bottom plate can clamp the edge of a long strip-shaped raw material penetrating through the second clamping opening, and a second photoelectric sensor 1266 used for detecting the edge of the long strip-shaped raw material is installed on the material pressing block.

Preferably, referring to fig. 10, a strip-shaped groove 12611 is formed on the pressing bottom plate, and the lifting rotary cylinder can move and position in the strip-shaped groove.

Fig. 13 is a schematic structural view of the material storage device for the block-shaped towel cloth blank of the present invention; preferably, referring to fig. 13, when the material storing and feeding device is used for storing and transferring the blocky towel cloth blank, the material storing and feeding device includes a material storing device 13 and a supporting jig, the supporting jig includes a supporting front plate and a supporting rear plate 14, the material storing device includes a material storing frame 131, a material storing bin 132 and a material taking mechanism 133, the material storing bin is mounted on the material storing frame, a plurality of comb teeth are formed at intervals on the front end of the supporting front plate, the supporting front plate is mounted on one side of the rack through a supporting frame, the supporting rear plate is mounted on one side of the material storing frame, the supporting front plate and the supporting rear plate are butted to form a pre-feeding area together, the material taking mechanism can extract the towel cloth blank from the material storing bin and transfer the towel cloth blank to the pre-feeding area under the control of the controller, and the material clamping device clamps the towel cloth blank from the pre-feeding area on the supporting front plate.

Preferably, the stock bin has raising and lowering functions, can set up the stock bin as a crane, sets up in the crane and holds in the palm flitch 134, holds in the palm the flitch and passes through motor 135 drive lead screw drive mechanism 136 and realize the oscilaltion function, and is better, can set up two cranes side by side, and two cranes are driven by translation mechanism 137, can remove in the horizontal direction.

Preferably, the material taking mechanism mainly comprises a material moving plate 1331, four needle type material moving suction cups 1332, a material moving lifting cylinder 1333 and a material moving electric sliding table 1334, the material moving electric sliding table is horizontally mounted on the material storage frame and suspended above the material storage bin, the material moving lifting cylinder is vertically mounted on a sliding block of the material moving electric sliding table, the material moving plate is mounted on a power output shaft of the material moving lifting cylinder through a connecting seat, the four needle type material moving suction cups are mounted at four corners of the material moving plate, needles of the needle type material moving suction cups are obliquely arranged and can penetrate through avoidance holes in the material moving plate to penetrate towel cloth blanks below the material moving plate, so that the towel cloth blanks are fixed below the material moving plate, the function of extracting the towel cloth blanks is realized, the needle type suction cups are the prior art, and the detailed structure is not repeated herein.

Fig. 14 is a side view of the preferred embodiment 1 of the material clamping device of the present invention; FIG. 15 is an enlarged view of the structure of FIG. 14 at C; fig. 16 is a perspective view of a preferred embodiment 1 of the material clamping device of the present invention; fig. 17 is a perspective view of another view angle of the preferred embodiment 1 of the material clamping device of the present invention; fig. 18 is an assembly view of the preferred embodiment 1 of the material clamping device and a frame of an overlock device; referring to fig. 14-18, an embodiment of the material clamping device of the present invention includes a clamping mechanism 31, a material pulling mechanism 32, a lifting mechanism 33, and a cloth pressing mechanism 34, wherein the lifting mechanism is used to drive the clamping mechanism to lift, the material pulling mechanism is used to drive the lifting mechanism and drive the clamping mechanism to move back and forth along the feeding direction, the clamping mechanism includes an upper toothed plate 311, a lower toothed plate 312, a clamping frame 313, at least one clamping cylinder 314, and a transmission assembly 315 corresponding to the clamping cylinder one by one, the upper toothed plate has a plurality of upper comb teeth 3111, the lower toothed plate has a plurality of lower comb teeth 3121, the clamping frame is connected to the lifting mechanism, the lower toothed plate is mounted on the clamping frame, the clamping cylinder drives the upper toothed plate to open and close up and down relative to the lower toothed plate through the transmission assembly, so that the upper comb teeth and the lower comb teeth can clamp or separate the cloth, the cloth pressing mechanism includes a cloth pressing piece 41 and a cloth pressing cylinder 42, the cloth pressing cylinder is arranged on the clamping frame and can drive the cloth pressing piece to lift, so that the cloth pressing piece presses or is separated from the towel cloth blank. In the structure, the clamping cylinder is used for driving the transmission assembly, the transmission assembly further drives the upper toothed plate to open and close up and down relative to the lower toothed plate, and the function of clamping towel cloth ingredients or strip-shaped raw materials can be achieved. The upper comb teeth on the upper toothed plate and the lower comb teeth of the lower toothed plate are arranged oppositely up and down so as to clamp the towel cloth ingredients. The clamping parts of the upper toothed plate and the lower toothed plate are designed into comb teeth for matching with a comb tooth structure of the cutting device at the front end, so that the comb teeth at the front end of the material supporting toothed plate of the cutting device can be matched in a staggered mode, long-strip-shaped raw materials are clamped from the material supporting toothed plate, and cut towel cloth blanks are transferred to a feeding position on the working table top. The lifting mechanism is used for driving the clamping mechanism to lift, and the lifting function of the whole clamping mechanism including the clamping frame, the upper toothed plate and the lower toothed plate is realized, so that the relative position of the lower toothed plate of the clamping mechanism and the towel cloth blank can be changed, and the clamping mechanism can be used for avoiding the towel cloth blank when the clamping mechanism is separated from the towel cloth blank and then presses the towel cloth blank again. The material pulling mechanism is used for driving the lifting mechanism and driving the clamping mechanism to reciprocate along the feeding direction, so that after the long-strip-shaped raw material is cut into the towel cloth blank by the cutting device at the front end, the towel cloth blank can be conveyed to the loading position along the feeding direction. In the embodiment, the label is transferred to the front section of the overedger firstly, and then transferred to the rear section of the overedger for four-side overedged after the label is fixed; therefore, the pulling mechanism needs to cooperate with the clamping mechanism to move the towel cloth blank back and forth in the process of separating the front section and then clamping again. The cloth pressing mechanism is arranged on the clamping frame of the clamping mechanism, a cloth pressing cylinder of the cloth pressing mechanism can lift through driving a cloth pressing piece, and the function of pressing or separating towel cloth blanks can be achieved. The specific working principle is as follows:

firstly, an upper toothed plate and a lower toothed plate of the clamping mechanism are opened, the clamping mechanism is moved to a cutting device of the overedger along the reverse direction of the feeding direction by the material pulling mechanism, and the clamping mechanism clamps and holds the long-strip-shaped raw materials. And then, the material pulling mechanism drives the clamping mechanism to move for a preset distance along the feeding direction, and the cutting device acts to cut off the strip-shaped raw material to form a towel cloth blank. And then, the pulling mechanism continues to pull the clamping mechanism and takes the towel cloth blank to move to the front section position of the overedger. At the moment, the upper toothed plate and the lower toothed plate of the clamping mechanism are opened again, so that the terry cloth blank is separated from the clamping mechanism, and the label is fixed at the front section of the overedger. After the fixing of the towel cloth blank and the label is finished at the front section of the overedger, the towel cloth blank needs to be clamped again, at the moment, the lifting mechanism is required to drive the clamping mechanism to lift, so that the lower toothed plate of the clamping mechanism is higher than the towel cloth blank on the working table surface, and the towel cloth blank is avoided. Then, the material pulling mechanism drives the clamping mechanism to move in the reverse direction of the feeding direction, so that the cloth pressing mechanism is positioned above the towel cloth blank. Then, a cloth pressing cylinder of the cloth pressing mechanism acts to drive a cloth pressing piece to press the towel cloth blank on the working table top at a set pressure; at the moment, the pulling mechanism moves towards the feeding direction again, and the towel cloth blank can be pulled to the feeding position of the rear section of the overedger, so that the function of removing the towel cloth blank at the front section of the working table and then moving the towel cloth blank again is realized.

Preferably, the cloth pressing piece is a sucker, the cloth pressing mechanism further comprises a switching seat 343, the cloth pressing cylinder is mounted on the clamping frame through the switching seat, and the sucker is fixedly connected with a power output shaft of the cloth pressing cylinder through a sucker rod 344. In this embodiment, the cloth pressing member is preferably a suction cup, because the suction cup is matched with the cylinder, a better elastic pressing function can be realized, so as to meet the condition that the blank of the towel cloth is loosened or displaced due to the fact that the working table is partially uneven. But not limited thereto, in other embodiments, the cloth pressing piece may also be a spring piece, a non-slip piece, or the like.

Preferably, the clamping frame comprises an upper cross beam 3131 and a lower cross beam 3132, the upper cross beam and the lower cross beam are fixedly connected through a plurality of upright posts 3133, the lower toothed plate is fixedly connected to the upright posts, and the lower toothed plate is arranged at the outer side of the bottom ends of the upright posts; the clamping cylinders are in one-to-one correspondence with the upright columns, are fixedly connected to the corresponding upright columns and are arranged on the outer sides of the corresponding upright columns close to the top ends; the transmission assembly is connected between the upper toothed plate and the lower toothed plate and is fixedly connected with a power output shaft of the clamping cylinder; the upper beam is connected with the lifting mechanism through a first connecting seat 134, and the cloth pressing cylinder is installed on one side of the lower beam, which is back to the stand column, through the adapter. Like this, press from both sides and get frame and mainly comprise entablature, bottom end rail and stand, and the bottom end rail can be used to fixed lower toothed plate and compress cylinder, and the entablature can be used to connect elevating system. The stand can be used to the fixed cylinder of pressing from both sides. More preferably, the upper cross beam and the lower cross beam are made of aluminum profiles, and the connecting positions of the cloth pressing air cylinder and the upright post can be adjusted along the length direction.

Preferably, the lower toothed plate comprises a lower toothed plate horizontal part 3122 and a lower toothed plate vertical part 3123, the lower comb teeth are located on the lower toothed plate horizontal part, and the lower toothed plate vertical part is fixedly connected with the upright column; the upper toothed plate comprises an upper toothed plate horizontal part 3112 and an upper toothed plate vertical part 3113, and the upper comb teeth are positioned on the upper toothed plate horizontal part; the transmission assembly is mounted between the upper toothed plate vertical portion and the lower toothed plate vertical portion. Like this, through including lower pinion rack horizontal part 3122 and the vertical portion 3123 of lower pinion rack with lower pinion rack design, go up the pinion rack design and be including last pinion rack horizontal part 3112 and the vertical portion 3113 of last pinion rack, in the installation of better realization drive assembly, realized the upper and lower cooperation of upper and lower comb tooth to form the mouth of pressing from both sides.

Preferably, the transmission assembly comprises a first connecting block 3151, a second connecting block 3152, a switching block 3153 and two connecting rods 3154, the two connecting rods are arranged at intervals, one end of each connecting rod is rotatably installed on the first connecting block through a first rotating shaft 3155, the other end of each connecting rod is rotatably installed on the second connecting block through a second rotating shaft 3156, the first connecting block is fixedly connected with the vertical part of the lower toothed plate, the second connecting block is fixedly connected with the vertical part of the upper toothed plate, the switching block is rotatably sleeved on the second rotating shaft, and the rotating block is fixedly connected with a power output shaft of the clamping cylinder. Like this, can realize through first, the second pivot that the connecting rod is connected with the rotation of first, second connecting block, first connecting block and the vertical portion fixed connection of lower pinion rack, second connecting block and the vertical portion fixed connection of last pinion rack have realized going up the pinion rack and get the function that opens and shuts from top to bottom for lower pinion rack under the cylinder drive is got in the clamp. Preferably, a plurality of cloth pressing mechanisms are arranged at intervals along the length direction of the lower cross beam. The plurality of cloth pressing mechanisms are arranged at intervals in the length direction of the lower cross beam and can press the whole edge of the towel cloth blank so as to integrally translate the towel cloth blank.

Preferably, the material pulling mechanism 32 comprises a material pulling sliding table 321, a material pulling frame 322 and a material pulling sliding seat 323, the material pulling sliding table is arranged along the feeding direction, the material pulling sliding table is installed on the frame 2 of the overedger through the material pulling frame, and the material pulling sliding seat is fixedly connected with a sliding block of the material pulling sliding table. Therefore, the material pulling sliding seat is driven to reciprocate along the feeding direction by the material pulling sliding table, and the function of driving the lifting mechanism and the clamping mechanism to reciprocate in the feeding direction can be realized. The material pulling frame is used for realizing the connection function of the material pulling sliding table and the frame of the overedger.

Preferably, elevating system includes lift cylinder 331 and lift slide 332, and the lift slide slides from top to bottom and locates on drawing the material slide, and the lift cylinder is installed on drawing the material slide, and the power output shaft and the lift slide fixed connection of lift cylinder. Like this, through the lift cylinder drive lift slide lift, can realize driving the function of pressing from both sides the mechanism and compress mechanism goes up and down, the lift slide is used for connecting the clamp of pressing from both sides the mechanism and gets the frame. Specifically, the lifting slide and the material pulling slide can slide up and down through the cooperation of the slide block 33 and the slide rail 34.

Fig. 19 is an assembly view of the preferred embodiment 2 of the middle clamping device and the frame of the overedger; FIG. 20 is an enlarged schematic view of D of FIG. 19; the utility model discloses well double-layered material device embodiment 2 is including pressing from both sides the mechanism 31 of getting, drawing material mechanism 32 and elevating system 33, and these technical characteristics do not have the difference with the embodiment 1 of pressing from both sides the material device, no longer describe herein. The difference from the above embodiment 1 is that the cloth pressing mechanism is not provided in this embodiment, but the structure of the working table is improved accordingly, that is, the working table includes a first table 210, a second table 220 and a slope 230 connected between the first table and the second table, a tooth slot 240 for avoiding the teeth of the lower comb is formed on the slope, and one end of the tooth slot extends to the first table with a higher horizontal height; thus, the lower comb teeth can extend into the position below the towel cloth blank arranged on the first table top through the tooth grooves, so that the towel cloth blank can be clamped again after the clamping mechanism is separated from the towel cloth blank. The specific working principle is as follows:

firstly, an upper toothed plate and a lower toothed plate of the clamping mechanism are opened, the clamping mechanism is moved to a cutting device of the overedger along the reverse direction of the feeding direction by the material pulling mechanism, and the clamping mechanism clamps and holds the long-strip-shaped raw materials. And then, the material pulling mechanism drives the clamping mechanism to move for a preset distance along the feeding direction, and the cutting device acts to cut off the strip-shaped raw material to form a towel cloth blank. And then, the pulling mechanism continues to pull the clamping mechanism and takes the towel cloth blank to move to the front section position of the overedger. At the moment, the upper toothed plate and the lower toothed plate of the clamping mechanism are opened again, so that the terry cloth blank is separated from the clamping mechanism, and the label is fixed at the front section of the overedger. After the fixing of the towel cloth blank and the label is finished at the front section of the overedger, when the towel cloth blank needs to be clamped again, the lifting mechanism drives the clamping mechanism to descend, so that the height of the lower toothed plate of the clamping mechanism is lower than that of the first table top of the working table top. Then, the material pulling mechanism drives the clamping mechanism to move in the reverse direction of the feeding direction, so that the lower comb teeth of the lower toothed plate of the clamping mechanism are correspondingly inserted into the tooth grooves of the slope surface of the working table. Then, the pulling mechanism and the lifting mechanism act simultaneously, in the process of moving reversely and lifting in the feeding direction, the lower comb teeth of the lower toothed plate can stretch into the lower part of the towel cloth blank, at the moment, the upper comb teeth of the upper toothed plate are positioned above the towel cloth blank, and the clamping cylinder of the clamping mechanism acts again to clamp the towel cloth blank again. At the moment, the pulling mechanism moves towards the feeding direction again, and the towel cloth blank can be pulled to the feeding position of the rear section of the overedger, so that the function of removing the towel cloth blank at the front section of the working table and then moving the towel cloth blank again is realized.

Fig. 21 is a schematic structural view of the middle-front swaging and rotating device of the present invention; referring to fig. 21, the front pressing rotating device includes a front pressing assembly 41, the front pressing assembly includes a front pressing plate 411 and a front protruding piece structure 412, the front protruding piece structure includes a plurality of front protruding pieces arranged on the periphery of the front pressing plate, the front pressing plate presses the blank of the towel cloth through the front protruding pieces, and the front protruding pieces can protrude into the label adhering device; the front pressing rotating device further comprises a front z-direction driving mechanism 42, a front motor base 43, a front rotating motor 44, a front air electric slip ring 45 and a front y-direction electric slip table 46; the front z-direction driving mechanism comprises a front z-direction driving cylinder 421 and a front material pressing seat 422, the front material pressing seat is fixedly connected with an output shaft of the front z-direction driving cylinder, a front pressing plate is fixedly connected to the bottom of the front material pressing seat, and the front z-direction driving mechanism further comprises a front guide component 423 for guiding the front material pressing seat to move along the z direction; the front y-direction electric sliding table is mounted on the rack and can move and be positioned along the x direction, the front motor base is mounted on the front y-direction electric sliding table, the fixed part of the front gas electric sliding ring is mounted on the front motor base, the front z-direction driving cylinder is mounted on the rotating part of the front gas electric sliding ring, the front rotating motor is mounted on the front motor base and drives the front pressing assembly along the z direction, so that the towel cloth blank is pressed on the working table board by the front pressing assembly, the front rotating motor drives the front z-direction driving cylinder and the front pressing assembly through the front gas electric sliding ring, the towel cloth blank can rotate according to a set angle, and the front y-direction electric sliding table can drive the pressing assembly and the towel cloth blank to move in the y direction through the front motor base, the front gas electric sliding ring and the front z-direction driving cylinder. Therefore, the function of pressing the blank of the towel cloth at the front section of the workbench surface and transferring the blank to the label adhering device is realized through the front pressing and rotating device, the blank of the towel cloth can be rotated by the front pressing and rotating device, the relative position of the label on the blank of the towel cloth and the overedger starting point is adjusted, the blank of the towel cloth can be directly subjected to edge covering sewing without being adjusted after being transferred to the overedger, and the work efficiency of the edge covering sewing is greatly improved. Wherein, the concrete structure that preceding y can follow x to removing and fixing a position to electronic slip table can adopt: the interval sets up two guide posts along the x to dispose the sliding block on every guide post, the sliding block has the locking function, preceding y is to electronic slip table and two sliding block fixed connection. The function that the front y-direction electric sliding table moves along the x-direction and is positioned can be realized by moving the sliding block on the guide post and locking. If need, can also set up preceding x to electronic slip table, preceding x is to electronic slip table's power take off end and two sliding block fixed connection, can realize the function that y moved and fix a position along the x to electronic slip table before the automatic drive. Preferably, the front swaging assembly 41, the front z-direction driving mechanism 42, the front motor base 43, the front rotating motor 44, the front pneumatic electric slip ring 45 and the front y-direction electric slip table 46 of the front swaging rotating device have the same structure as the rear swaging assembly 51, the rear z-direction driving mechanism 52, the rear motor base 53, the rear rotating motor 54, the rear pneumatic electric slip ring 55 and the rear y-direction electric slip table 56, and the detailed structure is referred to as a rear swaging rotating device.

Fig. 22 is a perspective view of the label adhering device of the present invention; fig. 23 is a schematic structural view of a label transfer mechanism according to the present invention; fig. 24 is a schematic structural view of a label cutting mechanism according to the present invention; fig. 25 is a schematic structural view of a label clamping mechanism according to the present invention; fig. 26 is a schematic structural view of an ultrasonic label sticking mechanism in the present invention; FIG. 27 is an enlarged view of E in FIG. 26; referring to fig. 22-27, a label sticking device comprises a label feeding frame 61, a label wheel 62 mounted on the frame, a label transmission mechanism 63, a label cutting mechanism 64, a label clamping mechanism 65 and an ultrasonic label sticking mechanism 66, wherein the frame is mounted on the side of the frame of the sewing equipment, the label transmission mechanism conveys the label strip from the label wheel to the label cutting mechanism, the label cutting mechanism cuts the label strip into a folded label or a straight label according to a set distance, the label clamping mechanism clamps the folded label or the straight label and transfers the folded label or the straight label to the ultrasonic label sticking mechanism, the ultrasonic label sticking mechanism comprises a label sticking base 661, an ultrasonic transducer 662, a welding pressure head 663 and a pressure head lifting assembly 664, the label sticking base is mounted on the frame, the ultrasonic transducer and the welding pressure head are mounted on the label sticking base, the welding pressure head and the ultrasonic transducer are arranged opposite up and down, the pressure head lifting assembly drives the welding pressure head to move relative to the ultrasonic transducer, and welding the folding mark or the straight mark at a preset position of the edge of the towel cloth blank. The label conveying mechanism realizes the conveying function of the label material belt, and can continuously convey the label material belt on the label material wheel to the label cutting mechanism. The label material belt can be cut into required folded labels or straight labels through the label cutting mechanism. After the label cutting mechanism cuts the label into the folded label or the straight label, the label clamping mechanism clamps the folded label or the straight label and transfers the folded label or the straight label to the ultrasonic label adhering mechanism. The mark mechanism is glued to ultrasonic wave is mainly by gluing mark seat 661, ultrasonic transducer 662, butt fusion pressure head 663 and pressure head lifting unit 664 constitute, butt fusion pressure head and ultrasonic transducer are relative from top to bottom, can realize arranging the butt fusion bonding of the mark or the straight mark and the towel cloth stock between them in through pressure head lifting unit drive butt fusion pressure head, make the mark or the straight mark fix the edge preset position at towel cloth stock, like this, before the hemming machine sewing, the label has been fixed on towel cloth stock, need not to occupy the hemming machine when placing the label and bordure the sewing time, thereby can improve the work efficiency of hemming equipment greatly. Wherein, ultrasonic wave glues mark mechanism and has realized sending mark frame organic combination through gluing the mark seat. And the label clamping mechanism is arranged on the label feeding frame, so that the influence on the overedger can not be caused.

Preferably, the label conveying mechanism comprises a driving roller 631, a driven roller 632 and a label feeding motor 633, wherein the label feeding motor drives the driving roller to rotate through a transmission part, and the label strip passing between the driving roller and the driven roller is conveyed to the label cutting mechanism. Therefore, the label feeding motor drives the driving roller to rotate, the driving roller and the driven roller clamp the label material belt, and the function of conveying the label material belt can be realized. The label transport mechanism may also include a pinch roller 634 or the like that limits the deflection and guidance of the label web. Preferably, the label cutting mechanism comprises an upper cutter 641, a lower cutter 642 and a cutter cylinder 643, wherein a power output shaft of the cutter cylinder is fixedly connected with the upper cutter, and the cutter cylinder drives the upper cutter to move relative to the lower cutter so as to cut the label material belt passing between the upper cutter and the lower cutter. Therefore, the upper cutter is driven by the cutter cylinder to move relative to the lower cutter, so that the label material belt passing between the upper cutter and the lower cutter can be cut off to form a folded label or a straight label. When the label cutting machine is specifically implemented, the label cutting mechanism and the label transmission mechanism are both arranged at the top of the label feeding frame, and the label cutting mechanism and the label transmission mechanism are sequentially arranged to realize continuous processing production.

Preferably, the label cutting mechanism further comprises a label clamping plate 644 and a label clamping air cylinder 645, a flange 6421 is formed on one side of the top of the lower cutting knife, the label clamping plate is arranged on one side of the lower cutting knife in a vertically sliding mode, a power output shaft of the label clamping air cylinder is fixedly connected with the bottom of the label clamping plate, and the label clamping air cylinder drives the label clamping plate to move relative to the flange to clamp the free end of the label material belt for folding labels. Like this, slide from top to bottom by pressing from both sides mark cylinder drive and press from both sides the mark board, press from both sides the mark board and set up in one side of cutter down, press from both sides the mark board can cooperate the free end of grasping the label material area with the flange limit of cutter top one side down, like this, when resuming the pay-off, the label material area will the fifty percent discount to realize rolling over the function of mark.

Preferably, the label clamping mechanism comprises a label clamping upper plate 651, a label clamping lower plate 652, a first seat 653, a second seat 654, a third seat 655, a first air cylinder 656, a second air cylinder 657 and a third air cylinder 658, the label clamping upper plate and the label clamping lower plate are arranged oppositely from top to bottom, the label clamping upper plate is fixedly connected with the first seat, the first seat is arranged on the second seat in a vertically moving manner, the first air cylinder is arranged on the second seat, and a power output shaft of the first air cylinder is fixedly connected with the first seat; the second seat body is horizontally movably arranged on the third seat body, the second air cylinder is arranged on the third seat body, and a power output shaft of the second air cylinder is fixedly connected with the second seat body; the third seat body reciprocates and is located on sending the mark frame, the third cylinder with send mark frame fixed connection, the power output shaft and the third seat body fixed connection of third cylinder. Therefore, the first base is driven by the first cylinder and drives the label clamping upper plate fixedly connected with the first base, so that the label clamping upper plate can move relative to the label clamping lower plate, and the cut folded labels or straight labels can be clamped. The first seat body is arranged on the second seat body in a vertically moving mode, and in specific implementation, the guide or sliding function between the slide rail 659 and the slide block 6510 can be achieved through the mutually matched slide rail 659 and the slide block 6510. For example, the second seat body is vertically arranged, a vertical slide rail is arranged on the second seat body, the slide block is slidably arranged on the slide rail, and the slide block is fixedly connected with the first seat body. Through second cylinder horizontal drive second pedestal, can drive first pedestal, press from both sides mark upper plate and press from both sides half horizontal migration under the mark, realize pressing from both sides the book mark after getting or the straight horizontal migration function of mark, like this, press from both sides and get the book mark or directly mark after, can move it to the ultrasonic wave glue between the butt fusion pressure head and the ultrasonic transducer of mark mechanism. The second seat is horizontally movably mounted on the third seat, and in specific implementation, the guide pillar 6511 and the guide sleeve 6512 can be matched with each other to realize the guiding and sliding functions. For example, a guide sleeve is arranged on the third seat body, a guide post is arranged on the second seat body, and the guide post is slidably arranged in the corresponding guide sleeve in a penetrating manner. The third base body is driven up and down by the third cylinder, so that the second base body, the first base body, the upper clamping label plate and the lower clamping label plate can be driven to vertically move, the function of adjusting the height of the clamped folded label or straight label is realized, and the folded label or straight label and the working platform of the towel cloth blank are positioned at the same height. The third seat body is arranged on the label conveying frame in a downward moving mode, and in specific implementation, a plurality of guide columns 6513 and guide sleeves 6514 which are matched with each other can be adopted to achieve the guiding and sliding functions of the guide columns 6513 and the guide sleeves 6514, but the third seat body is not limited to the above. For example, can set up two vertical guide pillars, the one end rigid coupling of guide pillar is in sending on the mark frame, and the third cylinder passes through the connecting piece to be fixed on the top of two guide pillars. The guide sleeves are arranged on the corresponding guide columns in a sliding mode and are fixedly connected with the third seat body.

Preferably, the pressure head lifting assembly comprises an upright post 6641, a pressure mark seat 6642, a fixed seat 6643 and a pressure mark cylinder 6644, the fixed seat is mounted on the viscosity mark seat through the upright post, the pressure mark cylinder is mounted on the fixed seat, the welding pressure head is fixedly connected on the pressure mark seat, the pressure mark seat is fixedly connected with a power output shaft of the pressure mark cylinder, the pressure mark seat is suspended above the ultrasonic transducer, and the welding pressure head is opposite to the working head 6621 of the ultrasonic transducer up and down. Like this, through pressing mark cylinder drive pressure mark seat, can drive the butt fusion pressure head of fixing on pressing mark seat to realize the function of lift butt fusion pressure head, with when needs butt fusion bonding label, fall on ultrasonic transducer's working head through pressing mark cylinder drive butt fusion pressure head. Wherein, the fixing base is fixed on gluing the mark seat through the stand to raise the butt fusion pressure head, make the butt fusion pressure head hang and locate ultrasonic transducer's top. Preferably, a plurality of pressing teeth 6631 are formed on the surface of the welding indenter opposite to the working head 6621 of the ultrasonic transducer at intervals. Therefore, the label can be welded and bonded with the terry cloth blank only at the positions of the pressing teeth by arranging a plurality of pressing teeth, the line contact is changed into point contact, and the bonding efficiency is improved.

Preferably, the pressure head lifting assembly further comprises a label removing plate 6645 and a label removing cylinder 6646, the label removing cylinder is mounted on the label pressing base, one end of the label removing plate is fixedly connected with a power output shaft of the label removing cylinder, the label removing plate is located on one side of the welding pressure head, and the other end of the label removing plate is arranged opposite to a working head of the ultrasonic transducer. After butt fusion pressure head and the butt fusion bonding of towel cloth stock, the butt fusion pressure head will be promoted, and at this moment, get up towel cloth stock easily, take off the mark board and take off the mark cylinder through setting up, can play and prevent that towel cloth stock from being taken up. The specific working process is as follows: when the ultrasonic transducer is started for welding and bonding, the label removing cylinder does not act, and the label removing plate is lifted. After welding and bonding, after the ultrasonic transducer is closed, the label removing cylinder drives the label removing plate to move downwards, the label removing plate presses the towel cloth blank and the label, and at the moment, the welding pressure head is lifted again.

Preferably, the pressure head lifting assembly further comprises a plurality of guide posts 6647 and guide sleeves 6648 corresponding to the guide posts one to one, one ends of the guide posts are fixedly connected to the pressure mark base, the guide sleeves are mounted on the fixed base, and the other ends of the guide posts are in up-and-down sliding fit with the corresponding guide sleeves. The pressure mark seat is driven by the pressure mark cylinder to move up and down, and the lifting motion of the pressure mark seat can be more stable and reliable by arranging the guide post and the guide sleeve matched with the guide post. Preferably, the sewing machine further comprises a shifting mechanism 67, the shifting mechanism comprises two mounting brackets 671, a plurality of linear slide rails 672 arranged between the two mounting brackets and a linear sliding block 673 arranged corresponding to each linear slide rail, the two mounting brackets are mounted on the side face of the frame of the sewing machine, the linear sliding blocks are arranged on the corresponding linear slide rails in a sliding manner, and the linear sliding blocks are fixedly connected with the label feeding frame. Like this, through set up moving mechanism between the frame of sending mark frame and sewing equipment, can realize adjusting the function of gluing the position of mark device, can alternate the position of gluing the mark device as required to the setting of other mechanisms of rational arrangement. The shifting mechanism mainly comprises two mounting brackets, a linear slide rail and a linear slide block, the linear slide block is fixedly connected with the label feeding frame, and the linear slide rail is mounted on a frame of the sewing equipment through the two mounting brackets. The function of adjusting the position is realized through the relative sliding of the linear slide block and the linear slide rail.

Fig. 28 is a schematic structural view of the middle and rear pressing rotating device of the present invention; fig. 29 is a perspective view of the top view of a part of the structure of the middle and rear material pressing and rotating device of the present invention; fig. 30 is a perspective view of the bottom view of the partial structure of the middle and rear material pressing and rotating device of the present invention; FIG. 31 is an enlarged view of the structure of FIG. 30 at F; referring to fig. 28-31, the back pressing rotating device includes a back pressing assembly 51, the back pressing assembly includes a back pressing plate 511 and a back extended piece structure 512, the back extended piece structure includes a plurality of back extended pieces arranged on the periphery of the back pressing plate, the back pressing plate presses the terry cloth blank through the back extended pieces, and the back extended pieces can extend below the pressing foot of the overedger; the rear pressing rotating device further comprises a rear z-direction driving mechanism 52, a rear motor base 53, a rear rotating motor 54, a rear gas-electric slip ring 55, a rear x-direction electric sliding table 56 and a rear y-direction electric sliding table 57; the rear z-direction driving mechanism comprises a rear z-direction driving cylinder 521 and a rear material pressing seat 522, the rear material pressing seat is fixedly connected with an output shaft of the rear z-direction driving cylinder, a rear pressing plate is fixedly connected to the bottom of the rear material pressing seat, and the rear z-direction driving mechanism further comprises a rear guide component 523 for guiding the rear material pressing seat to move in the z direction; a rear y-direction electric sliding table is arranged on the frame, a rear x-direction electric sliding table is arranged on the rear y-direction electric sliding table, a rear motor base is arranged on the rear x-direction electric sliding table, a fixed part of a rear gas-electric sliding ring is arranged on the rear motor base, a rear z-direction driving cylinder is arranged on a rotating part of the rear gas-electric sliding ring, a rear rotating motor is arranged on the rear motor base, the rear z-direction driving cylinder drives a rear pressing component along the z direction, the rear pressing component presses the towel cloth blank on the working table surface, the rear rotating motor drives the rear z-direction driving cylinder and the rear pressing component through the rear gas-electric sliding ring, the towel cloth blank can rotate according to a set angle, the rear x-direction electric sliding table can drive the pressing component and the towel cloth blank to move in the x direction through the rear motor base, the rear gas-electric sliding ring and the rear z-direction driving cylinder, and the rear y-direction electric sliding table can drive the rear x-direction electric sliding table, the rear motor base, the rear z-direction electric sliding table, the rear z-direction driving cylinder, the rear pressing component, the rear rotating motor base, the rear z-direction pressing component, the rear z-direction pressing component, the rear pressing component, the pressing component, the rear air electric slip ring and the rear z-direction driving cylinder drive the rear pressing assembly and the terry cloth blank to move in the y direction. Therefore, the rear gas-electric slip ring is driven by the rear rotating motor to drive the rear z-direction driving cylinder and the rear pressing assembly, the function of driving the towel cloth blank to rotate according to a set angle is achieved, the rear pressing assembly and the towel cloth blank are moved in the y direction and the x direction through the rear x-direction electric sliding table and the rear y-direction electric sliding table, and therefore the towel cloth blank can move and rotate in a two-dimensional space, and four sides of the towel cloth blank can be stitched by matching with a stitching machine. The transmission between the rear rotating motor and the rear gas-electric slip ring can adopt a belt wheel type transmission mode or a gear meshing transmission mode. The utility model discloses a gas-electric slip ring carries out the transmission, better realization the function of crossing gas source pipeline or sensor line. Wherein, press the bottom of material seat after with the back material subassembly installation, then press the material seat and install on the output shaft that drives actuating cylinder is to back z, like this, back z is to driving actuating cylinder and can driving back material subassembly through back material seat and reciprocate (go up and down). When needing to push down, back z drives actuating cylinder drive back pressure material seat and back pressure material subassembly and moves down, can realize pushing down the function to compress tightly towel cloth blank. As a preferred embodiment, the present embodiment adopts a form of cylinder driving, which is simple in structure and convenient to control, but is not limited thereto, and other mechanisms with linear driving function, such as an oil cylinder, a lead screw module or a linear module, may also be adopted as required. In order to enable the rear material pressing seat and the rear material pressing assembly to ascend and descend more stably, the rear z-direction driving mechanism further comprises a rear guide assembly which guides the rear material pressing seat to move along the z direction. As a preferred embodiment, the rear guide assembly may be designed in two groups, each group including a rear guide post 5231 and a rear guide sleeve 5232. The bottom end of the rear guide post is detachably and fixedly connected to the rear material pressing seat, the rear guide sleeve is installed on the side face of the body of the rear z-direction driving cylinder through a connecting piece, and the rear guide post and the rear guide sleeve are in up-and-down sliding fit to achieve the function of guiding when the lifting is carried out.

In the structure, the rear pressing assembly of the rear pressing device is designed to be in a structure that the rear pressing assembly is extended from the rear pressing plate and the rear part, the rear pressing plate presses the towel cloth blank through the rear extension piece, the function of pressing the towel cloth blank can be realized, and the towel cloth blank is prevented from slipping. The rear extending piece of the rear extending piece structure is a sheet-shaped body and can extend into the lower part of the presser foot of the overedger, so that the position for pressing the towel cloth blank is close to the edge, namely the edge of the rear extending piece is close to the edge of the overedger needle and the edge of the overedger cutter, therefore, the problems of wrinkling and unevenness can not be generated during sewing, the problems of wrinkling, unevenness and the like are solved, and the edge covering quality of the towel is improved.

As a preferred embodiment of the rear protrusion structure, the rear protrusion structure includes a rear connection pressing plate 121 and a plurality of rear downward pressing elastic pieces 122 extending outward from the periphery of the rear connection pressing plate, the rear downward pressing elastic pieces constitute a rear protrusion, the rear connection pressing plate is fixedly connected to the bottom of the rear pressing plate, so that the rear downward pressing elastic pieces extend outward from the periphery of the rear pressing plate by a predetermined distance. Preferably, the bottom of the rear pressing spring plate is provided with a rear non-slip pad 123. Preferably, the back clamp plate is square, and a plurality of back holding-down shell fragments include a plurality of back first shell fragments 1221 that are located the middle part of clamp plate four sides and a plurality of back second shell fragments 1222 that are located back clamp plate four corners department, and the limit mutually perpendicular of back first shell fragment and back clamp plate, back second shell fragment and back clamp plate.

Preferably, the width is preset at intervals between two adjacent back second elastic sheets and the back second elastic sheets are parallel to each other, and the extending direction of the back second elastic sheets is parallel to or coincided with the diagonal line of the back pressure plate. As another preferred embodiment of the rear extension sheet structure, the rear extension sheet structure includes a rear connection pressing sheet and a plurality of rear downward pressing rigid sheets extending outward from the periphery of the rear connection pressing sheet, a rear protrusion structure for pressing the blank of the towel cloth is formed at the bottom of the rear downward pressing rigid sheet, the rear downward pressing rigid sheet forms the rear extension sheet, and the rear connection pressing sheet is fixedly connected to the bottom of the rear pressing plate, so that the rear downward pressing rigid sheet extends outward from the periphery of the rear pressing plate by a predetermined distance.

Fig. 32 is a front perspective view of the active belt feeding device of the present invention; fig. 33 is a back perspective view of the active tape feeder of the present invention; fig. 34 is an assembly view of the active feed device and the overedger of the present invention; FIG. 35 is an enlarged view of FIG. 34 at G; fig. 36 is a schematic structural view of the middle pull cylinder of the present invention. Referring to fig. 32-36, the utility model discloses automatic sewing machine still includes initiative tape feeder 9, initiative tape feeder 9 embodiment 1 is including drawing a section of thick bamboo 91, material wheel 92 and strip feeding mechanism 93, strip feeding mechanism is including sending a support 931, drive roll 932, driven voller 933 and driving motor 934, send a support mounting on the aircraft nose 72 of overedger, drive roll and driven voller rotate to be installed on sending a support, form between drive roll and the driven voller and send a slit, driving motor installs on sending a support, driving motor drives the drive roll and drives the driven voller and rotate, will be from the material wheel is introduced to send the banding area 300 in the slit to initiatively transfer towards drawing a section of thick bamboo 91. Therefore, the strip feeding mechanism is arranged on the head of the overedger and can realize the function of actively feeding the overedger strip. When the edge wrapping belt needs to be pulled in the sewing process of the overedging machine, the strip feeding mechanism actively conveys one edge wrapping belt in advance, the edge wrapping belt is guaranteed to be in a loose state all the time, the tensioning state of the edge wrapping belt is avoided, and at the moment, when the towel cloth blank is subjected to edge wrapping sewing, the wrinkling problem is avoided, so that the edge wrapping quality is greatly improved. Meanwhile, the problem of stopping and arranging is solved, and the working efficiency of the whole overedger is improved. The strip feeding mechanism mainly comprises a strip feeding support 931, a driving roller 932, a driven roller 933 and a driving motor 934, wherein a power output end of the driving motor is connected with the driving roller and can drive the driving roller to rotate, and the driving roller further drives the driven roller to rotate, so that the function of moving a wrapping tape clamped between the driving roller and the driven roller to the direction of a drawing drum of the overedger is realized.

Preferably, the strip feeding mechanism further comprises a tension spring 935, a jacking head 936 and a driving cylinder 937, the strip feeding support comprises a fixed seat 9311 and a swing arm 9312, the driving roller is rotatably mounted on the fixed seat, the driven roller is rotatably mounted in the middle of the swing arm, the swing arm is arc-shaped, one end of the swing arm is rotatably mounted on the fixed seat, the other end of the swing arm is connected with one end of the tension spring, the other end of the tension spring is fixedly connected to the fixed seat, and under the traction action of the tension spring, the edge wrapping belt is elastically pressed on the driving roller by the driven roller; the driving cylinder is arranged on the fixed seat and can drive the swing arm to rotate through the jacking head, so that the driven roller is separated from the edge wrapping belt; the sliver-feeding mechanism also includes a first sensor 938 for detecting movement of the edge-wrapping band, the first sensor being electrically connected to the control system. Like this, swing arm one end is rotated and is installed on the fixing base, can carry out the luffing motion. One end of the tension spring is fixed on the fixing seat, the other end of the tension spring is connected with the other end of the swing arm, a pulling force can be applied to the swing arm, and the driven roller is installed in the middle of the swing arm and always applies an elastic force to the edge wrapping belt, so that the strip feeding slit between the driving roller and the driven roller has an elastic adjusting function and meets the requirements of edge wrapping belts with different thicknesses. The strip feeding mechanism further comprises a driving cylinder, and the driving cylinder is used for driving the swing arm to rotate, so that the swing arm drives the driven roller to open the edge wrapping belt. Thus, when the swing arm is not machined, the swing arm can be lifted up by driving the air cylinder. At this time, the edge wrapping tape should be in a stop state. If the situation that the scissors of the overedger do not cut the edge wrapping band exists, the first sensor can continuously detect the movement of the edge wrapping band. The first sensor can feed back a signal to the control system, and the control system can give an alarm to remind workers that a fault exists at the scissors of the overedger, so that the work can be timely processed.

Preferably, the driving motor is a stepping motor or a servo motor. As a preferred embodiment, the driving motor can be a stepping motor or a servo motor, and the purpose of actively and accurately controlling the conveying of the edge wrapping belt can be achieved. For example, constant tension delivery can be achieved by controlling the delivery speed of a stepper motor or a servo motor to match the traction speed of the overedger. But not limited thereto, the driving motor may be a general motor. At this time, in order to ensure that the edge wrapping belt actively conveyed by the driving motor is not too long, a second sensor 39 for detecting the droop distance of the edge wrapping belt can be arranged in a matching manner, the second sensor is electrically connected to the control system, the edge wrapping belt can be detected after the edge wrapping belt is conveyed too much and droops for a set distance, and a signal is fed back to the control system, and at this time, the control system can control the driving motor to temporarily stop. And after the detection signal of the second sensor is lost, the control system controls the driving motor to continue working.

Preferably, the strip feeding bracket further comprises a guide 9313, the guide comprises a guide body 93131 and a guide hole 93132 formed on the guide body, and the guide body is fixedly connected with the strip feeding bracket, so that the guide hole is positioned on the conveying path of the edge covering belt. The edge wrapping belt passes through the guide hole to limit the conveying direction of the edge wrapping belt. Preferably, a guide is provided on each of the left and right sides of the strip feeding support. And the guide piece is positioned on one side of the driving roller and the driven roller and is used for guiding the strip feeding slit edge wrapping belt entering between the driving roller and the driven roller. The other guide piece guides the edge wrapping belt sent out from the strip feeding slit between the driving roller and the driven roller, and the edge wrapping belt is more favorable for extending to the sewing position of the overlock sewing machine.

Embodiment 2 of the driving tape conveying device 9 comprises a pulling cylinder 91, a material wheel 92 and a blowing mechanism 94, wherein the blowing mechanism comprises a blowing needle 941 and a fixing support 942, the pulling cylinder is provided with a guide through hole 911 for guiding the conveying of a binding tape, the binding tape A from the material wheel penetrates from one end of the guide through hole and then penetrates out from the other end of the guide through hole, the pulling cylinder is installed on a machine head of the overedger through the fixing support, the outer side of the pulling cylinder is provided with a blowing inlet 912 communicated with the guide through hole, the blowing needle is installed on the fixing support, one end of the blowing needle points to and is close to the blowing inlet, and the other end of the blowing needle is connected to an air source through a. Therefore, an air blowing inlet hole communicated with the guide through hole is formed in the outer side of the pull cylinder, an air blowing needle is arranged at the air blowing inlet hole and connected to an air source through an air blowing pipeline, and air flow can be blown into the pull cylinder. Therefore, when the edge covering belt needs to be pulled in the sewing process of the overedging machine, the air blowing needle blows air flow into the pull cylinder to push the edge covering belt forwards in advance, so that the edge covering belt is always in a loose state, the tension state of the edge covering belt is avoided, at the moment, when the terry cloth blank is subjected to edge covering sewing, the wrinkling problem cannot be generated, and the edge covering quality is greatly improved. Meanwhile, the problem of stopping and arranging is solved, and the working efficiency of the whole overedger is improved.

Preferably, the blowing mechanism further comprises a speed regulating valve 944 for regulating the blowing rate of the blowing needle, and the speed regulating valve is disposed on the blowing pipeline. Therefore, the size of the air flow can be adjusted, the pushing and loosening degree of the edge wrapping belt is coordinated with the sewing speed of the overedger, and the edge wrapping belt can be adapted to edge wrapping belts with different qualities. Preferably, the speed regulating valve is arranged on the fixed support, so that the size of the air flow is convenient to operate.

Preferably, the slide holder includes connection piece 913 and a can 914, and connection piece and fixed bolster fixed connection, the lateral surface of a can be first arc curved surface 9141, the medial surface of a can be second arc curved surface 9142, the second arc curved surface is protruding to be stretched to first arc curved surface, first arc curved surface and second arc curved surface enclose into the direction through-hole. Like this, the pull cylinder can realize fast through the connection piece with fixed bolster's fixed connection dismantled, the shape of connection piece is unlimited, and is preferred, and the connection piece includes first piece portion, second piece portion and connects the bending piece portion between them. Through the structure of enclosing the direction through-hole design of a can by two arc curved surfaces, can play better guide effect, and be convenient for bordure area threading and the propelling movement of blowing. More preferably, the can further includes a turning portion 915 which is in an arc-shaped surface shape with an outward opening, and the turning portion is connected to a front port of the guide through hole and is used for bending the edge wrapping band led out from the guide through hole. The steering part is arc surface shape, which can limit two sides of the sheet edge wrapping belt and bend the two sides of the edge wrapping belt into opposite sides, so as to form a double-layer edge wrapping belt during sewing.

Preferably, the air blowing mechanism further comprises a needle fixing seat 945, the needle fixing seat is installed on the fixing support, the air blowing needle is installed on the needle fixing seat, and the angle, the height and the distance of the air blowing inlet hole are adjusted through the needle fixing seat. Through setting up the needle fixing base, can realize blowing the needle and the fixed bolster can dismantle fixed connection, and can adjust the angle, the height and the distance that the hand-hole was blown relatively to the air of blowing the needle. In specific implementation, the fixing bracket has an extension 9421, a strip-shaped hole 94211 is formed on the extension, and the needle fixing seat comprises a lower rod portion 9451 and an upper rod portion 9452. The side wall of the upper rod part is provided with a through hole 94521, the top end of the upper rod part is provided with a shaft hole 94522 communicated with the through hole, the air blowing needle penetrates through the through hole, a fastener is arranged in the shaft hole, the fastener is in threaded connection with the shaft hole, and the air blowing needle is locked in the through hole through the fastener.

All technical characteristics of embodiment 1 and embodiment 2 including above-mentioned initiative tape feeder in this embodiment, have the dual effect of embodiment 1 and embodiment 2 concurrently, when needing to pull the area of borduring in-process of hemming machine sewing, blow in the air current in to the slide through the air blow needle, with the area of borduring propelling movement forward, simultaneously, the function of initiative area of borduring can be realized to the strip feed mechanism, thereby better assurance area of borduring is in lax state all the time, avoid the area of borduring tensioning state to appear, at this moment, when sewing the borduring to towel cloth stock, will not produce the problem of wrinkling, thereby the quality of borduring has improved greatly. Meanwhile, the problem of stopping and arranging is solved, and the working efficiency of the whole overedger is improved.

The utility model discloses the example has shown a hemming machine of four-wire formula, is not only applicable to the sewing of borduring of towelling cloth or scouring pad, still is applicable to fabrics such as silk, numb, cotton, wool, chemical fibre and sews up several layers of seam material when borduring, or is used for individual layer seam material edge to wrap up the reinforcement, prevents that the material limit is loose. The structure of the overedger is the prior art and is not described in detail herein.

The above embodiments have been described in detail with reference to the accompanying drawings. Those skilled in the art can make various modifications and changes to the above embodiments without departing from the spirit of the present invention, and the scope of the present invention is also covered by the appended claims.

Claims

1. An automatic sewing machine characterized in that: comprises a material storage and feeding device (1), a frame (2) with a working table surface (21), a controller, a material clamping device (3) connected with the controller and arranged on the frame, a front material pressing rotating device (4), a rear material pressing rotating device (5), a label sticking device (6) and a overedger (7); the storage and feeding device is used for storing and transferring the blocky towel cloth blank (100) or storing a strip-shaped raw material (200) and cutting the strip-shaped raw material into blocky towel cloth blanks in the transferring process, and is arranged on one side of the rack; the clamping device is used for clamping towel cloth blanks from the material storage and feeding device and transferring the towel cloth blanks to the front material pressing and rotating device at the front section of the working table, and the clamping device is also used for transferring the towel cloth blanks from the front material pressing and rotating device to the rear material pressing and rotating device at the rear section of the working table; the front pressing rotating device is used for pressing the towel cloth blank and transferring the towel cloth blank to the label adhering device; the label sticking device is used for sticking a label and fixing the label on the towel cloth blank; the front pressing and rotating device is also used for rotating the towel cloth blank and adjusting the relative position of a label on the towel cloth blank and the overedger starting point; the back pressing rotating device is used for pressing the towel cloth blank and transferring the towel cloth blank to the overedger, and the back pressing rotating device can rotate the towel cloth blank to enable the overedger to perform right-angle or fillet four-side overedged on the towel cloth blank in sequence.

2. The automatic sewing apparatus of claim 1, wherein: store up loading attachment and be used for depositing rectangular shape raw materials and when transferring the in-process with rectangular shape raw materials and tailor into massive towel cloth blank, store up loading attachment and include storage device (11) and tailor device (12), storage device is used for depositing rectangular shape raw materials to transfer rectangular shape raw materials extremely tailor the device, tailor the device install in on one side of frame, it is used for to tailor the device press from both sides the material device tractive and go out it is right behind the rectangular shape raw materials settlement distance rectangular shape raw materials fixes and decides.

3. The automatic sewing apparatus according to claim 2, wherein: the cutting device comprises a cutting support (121), a clamping mechanism (122) and a cutting mechanism (123), the cutting mechanism comprises a cutting electric sliding table (1231) and an electric shears (1232), the clamping mechanism comprises a clamping bottom plate (1221), a clamping pressing plate (1222) and a clamping cylinder (1223), the cutting support is installed on one side of the rack, the clamping bottom plate is installed on the cutting support, the clamping pressing plate and the clamping bottom plate are arranged up and down oppositely, a first clamping opening (1224) is formed between the clamping pressing plate and the clamping bottom plate, and under the control of the controller, the clamping cylinder can drive the clamping pressing plate to move up and down, so that the clamping pressing plate and the clamping bottom plate can clamp long-strip-shaped raw materials passing through the first clamping opening; tailor electronic slip table install in tailor on the support to be located the front side of first clamp mouth, the electric scissors install in tailor on the electronic slip table under the control of controller, tailor electronic slip table and can drive the electric scissors removes along the width direction of rectangular shape raw materials and sets for the distance, will pass the rectangular shape raw materials of first clamp mouth are decided.

4. The automatic sewing apparatus of claim 1, wherein: the storage and feeding device is used for storing and transferring blocky towel cloth blanks and comprises a storage device (13) and a supporting jig, the supporting jig comprises a supporting front plate and a supporting rear plate (14), the material storing device comprises a material storing frame (131), a material storing bin (132) and a material taking mechanism (133) which are arranged on the material storing frame, the front end of the supporting front plate is provided with a plurality of comb teeth which are arranged at intervals, the supporting front plate is arranged at one side of the frame through a supporting frame, the supporting rear plate is arranged on one side of the material storage rack, the supporting front plate is in butt joint with the supporting rear plate to form a pre-feeding area together, under the control of the controller, the material taking mechanism can take towel cloth blanks from the storage bin and transfer the towel cloth blanks to the pre-feeding area, and the material clamping device clamps the towel cloth blanks from the pre-feeding area on the supporting front plate.

5. The automatic sewing apparatus of claim 1, wherein: the clamping device comprises a clamping mechanism (31), a pulling mechanism (32), a lifting mechanism (33) and a cloth pressing mechanism (34), the lifting mechanism is used for driving the clamping mechanism to lift, the pulling mechanism is used for driving the lifting mechanism and driving the clamping mechanism to reciprocate along the feeding direction, the clamping mechanism comprises an upper toothed plate (311), a lower toothed plate (312), a clamping frame (313), at least one clamping cylinder (314) and a transmission assembly (315) in one-to-one correspondence with the clamping cylinder, the upper toothed plate is provided with a plurality of upper comb teeth (3111), the lower toothed plate is provided with a plurality of lower comb teeth (3121), the clamping frame is connected with the lifting mechanism, the lower toothed plate is mounted on the clamping frame, the clamping cylinder drives the upper toothed plate to open and close relative to the lower toothed plate through the transmission assembly, the upper comb teeth and the lower comb teeth can clamp or separate from the towel cloth blank; the cloth pressing mechanism comprises a cloth pressing piece (341) and a cloth pressing cylinder (342), the cloth pressing cylinder is installed on the clamping frame, and the cloth pressing cylinder can drive the cloth pressing piece to lift, so that the cloth pressing piece presses or separates from the towel cloth blank.

6. The automatic sewing apparatus of claim 1, wherein: the front pressing rotating device comprises a front pressing component (41), the front pressing component comprises a front pressing plate (411) and a front extending piece structure (412), the front extending piece structure comprises a plurality of front extending pieces arranged on the periphery of the front pressing plate, the front pressing plate presses a towel cloth blank through the front extending pieces, and the front extending pieces can extend into the label sticking device; the front pressing rotating device further comprises a front z-direction driving mechanism (42), a front motor base (43), a front rotating motor (44), a front air electric slip ring (45) and a front y-direction electric slip table (46); the front z-direction driving mechanism comprises a front z-direction driving cylinder (421) and a front material pressing seat (422), the front material pressing seat is fixedly connected with an output shaft of the front z-direction driving cylinder, the front pressing plate is fixedly connected to the bottom of the front material pressing seat, and the front z-direction driving mechanism further comprises a front guide assembly (423) for guiding the front material pressing seat to move along the z direction; the front y-direction electric sliding table is installed on the rack and can move and be positioned along the x direction, the front motor base is installed on the front y-direction electric sliding table, the fixed part of the front gas electric sliding ring is installed on the front motor base, the front z-direction driving cylinder is installed on the rotating part of the front gas electric sliding ring, the front rotating motor is installed on the front motor base and drives the front pressing assembly along the z direction, so that the front pressing assembly presses towel cloth blanks on the working table surface, the front rotating motor is driven by the front gas electric sliding ring to rotate according to a set angle through the front z-direction driving cylinder and the front pressing assembly, and the front y-direction electric sliding table can pass through the front motor base, the front gas electric sliding ring and the front pressing assembly, The front z-direction driving cylinder drives the pressing assembly and the towel cloth blank to move in the y direction.

7. The automatic sewing apparatus of claim 1, wherein: the rear pressing rotating device comprises a rear pressing component (51), the rear pressing component comprises a rear pressing plate (511) and a rear extending piece structure (512), the rear extending piece structure comprises a plurality of rear extending pieces arranged on the periphery of the rear pressing plate, the rear pressing plate presses the blank of the towel cloth through the rear extending pieces, and the rear extending pieces can extend below the pressing foot of the overedger; the rear pressing rotating device further comprises a rear z-direction driving mechanism (52), a rear motor base (53), a rear rotating motor (54), a rear gas electric sliding ring (55), a rear x-direction electric sliding table (56) and a rear y-direction electric sliding table (57); the rear z-direction driving mechanism comprises a rear z-direction driving cylinder (521) and a rear material pressing seat (522), the rear material pressing seat is fixedly connected with an output shaft of the rear z-direction driving cylinder, the rear pressing plate is fixedly connected to the bottom of the rear material pressing seat, and the rear z-direction driving mechanism further comprises a rear guide assembly (523) for guiding the rear material pressing seat to move along the z direction; the back y is to electronic slip table install in the frame, back x to electronic slip table install in back y is to electronic slip table is last, back motor cabinet install in back x is to electronic slip table is last, the fixed part of back gas electric slip ring install in on the back motor cabinet, back z is to driving actuating cylinder install in on the rotating part of back gas electric slip ring, back rotating electrical machines install in on the back motor cabinet, back z is to driving actuating cylinder along the z to drive back swage subassembly, makes back swage subassembly press towel cloth stock on table surface, back rotating electrical machines through back gas electric slip ring transmission in back z is to driving actuating cylinder and back swage subassembly, makes towel cloth stock can rotate according to the set angle, back x can pass through to electronic slip table back motor cabinet, back gas electric slip ring, The rear z-direction driving cylinder drives the material pressing assembly and the towel cloth blank to move in the x direction, and the rear y-direction electric sliding table can drive the rear material pressing assembly and the towel cloth blank to move in the y direction through the rear x-direction electric sliding table, the rear motor base, the rear gas electric sliding ring and the rear z-direction driving cylinder.

8. The automatic sewing apparatus of claim 1, wherein: the label sticking device comprises a label feeding frame (61), a label material wheel (62), a label transmission mechanism (63), a label cutting mechanism (64), a label clamping mechanism (65) and an ultrasonic label sticking mechanism (66), wherein the label feeding frame is installed on the side surface of the frame, the label transmission mechanism conveys a label material belt from the label material wheel to the label cutting mechanism, the label cutting mechanism cuts the label material belt into a folded label or a straight label according to a set distance, the label clamping mechanism clamps the folded label or the straight label and transfers the folded label or the straight label to the ultrasonic label sticking mechanism, the ultrasonic label sticking mechanism comprises a label sticking seat (661), an ultrasonic transducer (662), a welding pressure head (663) and a pressure head lifting assembly (664), the label sticking seat is installed on the label feeding frame, the ultrasonic transducer and the welding pressure head are installed on the label sticking seat, and the welding pressure head and the ultrasonic transducer are arranged up and down oppositely, and the pressure head lifting assembly drives the welding pressure head to move relative to the ultrasonic transducer, so that the folded mark or the straight mark is welded at the preset position of the edge of the towel cloth blank.

9. The automatic sewing apparatus of claim 1, wherein: also comprises an electric heating thread cutting device (8) which comprises an upper cutter shaft (81), a shaft bracket (82), an upper cutter (83), a driving source (84), a connecting plate (85) and an electric heating piece (86), the shaft bracket is arranged on a machine table (71) of the overedger, the connecting plate is arranged on the machine table, a knife edge groove (851) is formed at the top of the connecting plate, the electric heating piece is arranged in the knife edge groove, the electric heating piece is connected to the controller through a control circuit, the upper cutter shaft is rotatably arranged on the shaft bracket, the driving source is arranged on a machine head (72) of the overedger, the upper knife is fixedly connected with the front end of the upper knife shaft, under the control of the controller, the driving source can drive the rear end of the upper cutter shaft to rotate positively and reversely, and the upper knife is driven to rotate forwards and backwards, so that the upper knife is pressed on the electric heating sheet in the knife edge groove or is opened.

10. The automatic sewing apparatus of claim 1, wherein: still include initiative tape unit (9), including drawing a section of thick bamboo (91), material wheel (92) and sending a mechanism (93), send a mechanism including sending a support (931), drive roll (932), driven voller (933) and driving motor (934), send a support mounting in on hemming machine's aircraft nose (72), the drive roll with the driven voller rotate install in send a support on, the drive roll with form between the driven voller and send a slit, driving motor install in send a support on, driving motor drives the drive roll drives the driven voller rotates, will come from the material wheel is introduced send out bordure area (300) orientation in the slit of sending a draw a section of thick bamboo (91) initiative is transferred.