CN106948100B

CN106948100B - Automatic change multi-functional sack closer

Info

Publication number: CN106948100B
Application number: CN201710242314.6A
Authority: CN
Inventors: 薛振化
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-04-13
Filing date: 2017-04-13
Publication date: 2020-09-18
Anticipated expiration: 2037-04-13
Also published as: CN106948100A

Abstract

The invention discloses an automatic multifunctional bag sewing machine, which belongs to the field of industrial sewing equipment and solves the problems of low sewing efficiency and poor sewing quality in the prior art. The invention is mainly used for realizing the automatic processing of the cotton quilt cutting, edge covering and sewing in the greenhouse.

Description

Automatic change multi-functional sack closer

Technical Field

The invention relates to industrial sewing equipment, in particular to an automatic multifunctional bag sewing machine.

Background

Along with the popularization of greenhouse vegetable planting technology, more and more places need make the big-arch shelter cotton-wadded quilt, and the continuous processing that the line was not traded to present greenhouse cotton-wadded quilt can realize not broken string, but to the big-arch shelter of different length, can need the big-arch shelter cotton-wadded quilt of different length, consequently need cut off the big-arch shelter cotton-wadded quilt and cut to demand length, and the big-arch shelter cotton-wadded quilt cuts off the back and needs the sack closer to bordure the sewing, avoids the cotton fibre to reveal. Most of the existing sewing machines are manually operated, after a worker cuts off greenhouse cotton quilts by using a cutting machine, the cut-off edges of the greenhouse cotton quilts are wrapped by edge wrapping cloth, then the greenhouse cotton quilts are sent into the sewing machine to be sewn, the single-needle single line of the sewing machine is provided, the needle pitch is 5-12 mm, one sewing machine needs two workers to operate, the edge wrapping cloth is tidied by one worker in the front and sent into the sewing machine, the greenhouse cotton quilts are pulled by one worker at the back to walk, the sewing efficiency is very low, the labor intensity of the workers is high, the routing lines are not straight, the edge wrapping is uneven, and the sewing quality is.

Disclosure of Invention

The invention aims to provide an automatic multifunctional sack closer, which realizes the automatic processing of cutting, edge covering and sewing of cotton quilts in greenhouses.

In order to achieve the purpose, the invention adopts the following technical scheme: an automatic multifunctional bag sewing machine comprises a frame, a cutting knife, an edge wrapping device, a sewing machine head and a feeding press roller which are arranged on the frame, the sewing machine comprises a thread hooking component and a thread cutter, wherein a cutting knife, an edge covering device, a feeding press roller and a thread cutting device are sequentially arranged from front to back, a sewing machine head is positioned above the feeding press roller, the thread hooking component is positioned below the feeding press roller, the cutting knife divides a sewing and wrapping object into a first part and a second part along the conveying direction, the edge covering device outputs edge covering cloth to respectively cover the first part and the second part, the feeding press roller presses the first part and the second part after the edge covering on the machine frame and drives the first part and the second part after the edge covering to move backwards, the edge covering cloth on the first part and the edge covering cloth on the second part, which are pressed by the feeding press roller, are respectively sewn by the sewing machine head and the thread hooking component, and the edge covering cloth and a sewing thread on the first part and the second part after the sewing and the thread cutting device cuts off the edge.

Furthermore, the cutting knife is driven by a cutting motor which is fixed on the rack, a pressure plate is arranged above the cutting knife, and the pressure plate covers the cutting knife and limits the bag sewing object on the rack in the cutting process.

Further, the ware of borduring is including the board of borduring that is used for depositing the storage cloth frame of borduring cloth and guide bordure cloth fifty percent discount and carries out bordure, the board of borduring cuts the sword symmetric distribution relatively and bordures first portion and second portion respectively, the board of borduring includes the delivery board, go up the hem board and hem board down, be equipped with transfer passage in the board of borduring, transfer passage's entry is located the rear end of delivery board, transfer passage's export is located the front end of hem board and hem board down, go up the relative delivery board fifty percent discount of the front portion of hem board and hem board down and make transfer passage's export buckle into the U-shaped, sew the package thing and pass between hem board and the hem board down and pull out the borduring cloth from transfer passage's export and realize borduring.

Furthermore, an included angle alpha is formed between the conveying direction of the conveying channel and the conveying direction of the bag sewing objects, and alpha is more than or equal to 90 degrees and less than 180 degrees.

Further, the sewing machine head comprises a box body, a driving system, a first needle rod, a second needle rod, a presser foot, a thread take-up rocker, a thread take-up lever, a first connecting rod and a first crank, wherein the first needle rod, the second needle rod, the presser foot, the thread take-up rocker, the thread take-up lever, the first connecting rod and the first crank are arranged in the box body, the first needle rod and the second needle rod are used for sewing the edge covering cloth on the first portion and the second portion respectively, the first needle rod and the second needle rod are fixed on a car guide frame, the car guide frame is connected with one end of the first connecting rod, the other end of the first connecting rod is rotatably connected with the first crank, one end of the thread take-up lever is rotatably connected with the first crank, the other end of the thread take-up lever extends out of the box body, one end of the thread take-.

Furthermore, the driving system comprises a driving motor, a first transmission assembly and an output crank, the driving motor drives the output crank to rotate through the first transmission assembly, and the first crank is connected with the output crank.

Furthermore, first drive assembly includes input worm, driven worm wheel and first driven shaft, and the input worm is driven by driving motor, and input worm meshes with driven worm wheel, and driven worm wheel installs on first driven shaft, and output crank installs and follows driven worm wheel rotation on first driven shaft.

Further, still be equipped with output gear on the first driven shaft, collude the line part and include second transmission assembly, first rotating shuttle and second rotating shuttle, and second transmission assembly includes first driven gear and second driven shaft, and first driven gear installs on the second driven shaft, and first driven gear and output gear meshing transmission, first rotating shuttle and second rotating shuttle are connected with second driven shaft transmission respectively, and first rotating shuttle is located first needle bar below, and second rotating shuttle is located second needle bar below.

Further, be equipped with the pay-off eccentric wheel on the first driven shaft, the cover has pay-off joint connecting rod on the pay-off eccentric wheel, the pay-off eccentric wheel is rotatory to drive pay-off joint connecting rod straight reciprocating motion, pay-off joint connecting rod is connected with pay-off rocking arm crank rotation and is driven pay-off rocking arm crank reciprocating swing, pay-off rocking arm crank rotation is connected on the box, the pay-off compression roller includes roll body and compression roller center pin, the roll body passes through one-way bearing with the compression roller center pin and is connected, pay-off rocking arm crank and compression roller center pin transmission are connected with the periodic positive and negative rotation of dynamic pressure roller center pin and are made roll body intermittent type nature rotate, compression roller center pin connection is in first.

Further, the cutting device comprises a cutter, a cutter frame, a translation track, a translation driver and a second lifter, wherein the cutter is installed on the cutter frame, the cutter frame is connected to the translation track, the translation driver is connected with the cutter frame to drive the cutter to translate in a reciprocating manner, and the second lifter is connected with the translation track to drive the cutter to lift up and down; or the cutting device comprises an electric heating wire, a wire holder and a third lifter, two ends of the electric heating wire are connected with the wire holder, and the third lifter is connected with the wire holder to drive the electric heating wire to lift up and down.

After the technical scheme is adopted, the invention has the following advantages: reasonably arranging the processing sequence of the sewed articles, considering that the sewed articles can generate two broken edges which can lead to the exposure of cotton wool after being divided, therefore, the edge wrapping device is arranged behind the cutting knife, the edge wrapping device is used for wrapping the first part and the second part respectively, the cotton wool is prevented from leaking from the broken edge, then the edge covering cloth on the first part and the second part is respectively sewed when the feeding press roller presses and conveys the first part and the second part after edge covering, the feeding press roller can convey the first part and the second part backwards, meanwhile, the broken edges of the first part and the second part can be wrapped by the edge wrapping cloth in time, the sewing machine head and the thread hooking part are guaranteed to be matched for sewing in order and reliably, the edge wrapping cloth and the sewing thread are cut by the cutting device, the first part and the second part after sewing are quickly unloaded, and the next sewing work can be conveniently prepared. Therefore, the automatic processing of cutting, edge covering and sewing of the greenhouse cotton quilt and other sewn and wrapped objects can be realized, and the processing efficiency and the processing quality are greatly improved.

Drawings

The invention will be further described with reference to the accompanying drawings in which:

FIG. 1 is a schematic structural diagram of an automated multi-function bag-sewing machine according to the present invention;

FIG. 2 is a schematic structural diagram of an automated multi-function bag-sewing machine according to the present invention;

FIG. 3 is a schematic structural diagram (III) of an automatic multifunctional sack closer of the present invention;

FIG. 4 is an exploded view of the cutting blade assembly of the present invention;

FIG. 5 is a schematic view (one) of a sewing machine head according to the present invention;

FIG. 6 is a schematic view (two) of a sewing machine head according to the present invention;

FIG. 7 is an exploded view of the inner structure of the sewing machine head according to the present invention;

FIG. 8 is a schematic view of a first drive assembly of the present invention;

FIG. 9 is an exploded view of the thread hooking member of the present invention;

FIG. 10 is an exploded view of the feed rolls of the present invention;

FIG. 11 is an exploded view of the present invention.

Detailed Description

As shown in figures 1 and 2, the invention provides an automatic multifunctional bag sewing machine, which comprises a frame 1, a cutting knife 2, a taping device 3, a sewing machine head 4, a feeding press roller 5, a thread hooking component and a cutting device 7 which are arranged on the frame 1, wherein the cutting knife 2, the taping device 3, the feeding press roller 5 and the cutting device 7 are sequentially arranged from front to back, the sewing machine head 4 is positioned above the feeding press roller 5, the thread hooking component is positioned below the feeding press roller 5, the cutting knife 2 divides a bag sewing object into a first part and a second part along the conveying direction, the edge covering device 3 outputs edge covering cloth to respectively perform edge covering on the first part and the second part, the feeding press roller 5 presses the first part and the second part after edge covering on the frame 1 and drives the first part and the second part after edge covering to move backwards, the sewing machine head 4 and the thread hooking component are matched to respectively sew the edge covering cloth on the first part and the second part pressed by the press roller 5, the wrapped cloth and the sewing thread on the first and second portions after the sewing are cut by the cutter 7.

In the present invention, the forward-backward direction is defined according to the conveying direction of the bag material. The sewed fabric can be a greenhouse quilt, a conventional warm quilt and the like. The invention reasonably arranges the processing sequence of the sewed articles, considers that two broken edges which lead to the exposure of cotton wool can be generated after the sewed articles are divided, therefore, the edge binding device 3 is arranged behind the cutting knife 2, the edge binding device 3 is used for respectively binding the first part and the second part, the cotton wool is prevented from leaking from the broken edge, then the feeding press roller 5 respectively sews the edge covering cloth on the first part and the second part when the first part and the second part after edge covering are pressed and conveyed, the feeding press roller 5 can convey the first part and the second part backwards, meanwhile, the broken edges of the first part and the second part can be wrapped by the edge wrapping cloth in time, the sewing machine head 4 and the thread hooking part are guaranteed to be matched for sewing in order and reliably, the edge wrapping cloth and the sewing thread are cut off by the cutting device 7, the first part and the second part after sewing are rapidly unloaded, and the next sewing work can be conveniently prepared. Therefore, the automatic processing of cutting, edge covering and sewing of the greenhouse cotton quilt and other sewn and wrapped objects can be realized, and the processing efficiency and the processing quality are greatly improved.

The detailed structure of the present invention will be described in detail from the front to the rear.

Referring to fig. 1, 2 and 4, the cutting knife 2 is driven by a cutting motor 21, the cutting motor 21 is fixed on the frame 1, a pressing plate 22 is arranged above the cutting knife 2, the pressing plate 22 covers the cutting knife 2 and limits the bag sewing object on the frame 1 in the cutting process, so that the bag sewing object can be prevented from flying out under the action of centrifugal force when the cutting knife 2 cuts. The frame 1 is provided with a panel 11 for sewing and packing the object to slide, the cutting motor 21 is fixed below the panel 11, the cutting knife 2 penetrates through the panel 11, the bottom surface mounting base plate 23 of the panel 11 is provided with a bearing seat 231, the bearing seat 231 is provided with a knife shaft 24 through a bearing, the cutting knife 2 is assembled at one end of the knife shaft 24, more specifically, one end of the knife shaft 24 is provided with a threaded hole, two sides of the cutting knife 2 are provided with a positioning ring 25, and a fastening screw 26 penetrates through the positioning ring 25 and is connected with the threaded hole to mount the cutting knife 2 on the knife shaft 24. The other end of the knife shaft 24 is provided with a first driven belt wheel 241, the output shaft of the cutting motor 21 is provided with a first driving belt wheel 211, and the first driving belt wheel 211 drives the first driven belt wheel 241 through a transmission belt 212, so as to drive the knife shaft 24 and the cutting knife 2 to rotate.

Because the cutting knife 2 can be dull after long-term use, a sander is arranged on the bottom plate 23, the sander comprises a knife grinding wheel 27 and an impact cylinder 28, the knife grinding wheel 27 is connected with a grinding wheel shaft 271, the bottom surface of the bottom plate 23 is provided with a mounting seat 232, the grinding wheel shaft 271 and the impact cylinder 28 are respectively mounted on the mounting seat 232 through bearings, the impact cylinder 28 is provided with an impact head 281, the impact head 281 faces the grinding wheel shaft 271, a first damping spring 272 is arranged between the impact head 281 and the grinding wheel shaft 271, for the convenience of mounting, the grinding wheel shaft 271 is provided with an inner hole for the first damping spring 272 to be mounted and positioned, a second damping spring 273 is sleeved on the grinding wheel shaft 271, a positioning fastening ring 274 is arranged on the grinding wheel shaft 271, the second damping spring 273 abuts on the positioning fastening ring 274 and the mounting seat 232 to enable the grinding wheel shaft 271 to keep the trend of being far away from the cutting knife 2, the impact cylinder 28 drives the impact head 281 to enable the grinding wheel shaft 271 to enable the elastic force of, the cutting blade 2 is kept sharp for a long time.

Referring to fig. 1, 2 and 3 again, the edge binding device 3 includes a cloth storage rack 31 for storing the edge binding cloth and an edge binding plate 32 for guiding the edge binding cloth to be folded in half for edge binding, the edge binding plate 32 is symmetrically distributed relative to the cutting knife 2 and respectively carries out edge binding on the first part and the second part, the edge binding plate 32 includes a conveying plate 321, an upper edge binding plate 322 and a lower edge binding plate 323, a conveying channel is arranged in the edge binding plate 32, an inlet of the conveying channel is positioned at the rear end of the conveying plate 321, an outlet of the conveying channel is positioned at the front ends of the upper edge binding plate 322 and the lower edge binding plate 323, the front parts of the upper edge binding plate 322 and the lower edge binding plate 323 are folded relative to the conveying plate 321 to bend the outlet of the conveying channel into a U shape, and the bag sewing materials pass through the space between the upper edge binding plate 322 and the lower edge binding plate 323 and are pulled out of the edge binding cloth from the. Conveying direction X1 of transfer passage forms contained angle alpha with the direction of delivery X2 of sewing up the package, and alpha is more than or equal to 90 < 180, and this is in order to let the bound edge cloth of lapping can keep tightening up the state when the bound edge cloth is carried, lets deposit the bound edge cloth of cloth rack 31 and be in the tensioning state to can make bound edge cloth parcel and sew up the package more neatly, improve the quality of borduring. The cloth storage rack 31 is of a cylinder structure, the side wall of the cylinder is provided with a cloth outlet seam 311, and the cloth outlet seam 311 can arrange the edge covering cloth to enable the edge covering cloth to be smoother after output. The storage rack 31 may have a shaft structure.

As shown in fig. 1 to 7, the sewing machine head 4 includes a box 40, a driving system, and a first needle bar 411, a second needle bar 412 and a presser foot provided in the box 40, the sewing machine comprises a take-up rocker 44, a take-up lever 45, a first connecting lever 46 and a first crank 47, wherein the first needle lever 411 and a second needle lever 412 are arranged side by side, the first needle lever 411 and the second needle lever 412 stitch the edge covering cloth on the first part and the second part respectively, the first needle lever 411 and the second needle lever 412 are fixed on a car guide frame, the car guide frame is connected with one end of the first connecting lever 46, the other end of the first connecting lever 46 is rotatably connected with the first crank 47, one end of the take-up lever 45 is rotatably connected with the first crank 47, the other end of the take-up lever 45 extends out of a box body 40, one end of the take-up rocker 44 is rotatably connected onto the take-up lever 45, the other end of the take-up rocker 44 is rotatably connected onto the box body 40, and the first crank 47 is in. The box body 40 is formed by assembling a left half part and a right half part, which is convenient for the installation of the above parts, it can be understood that the box body 40 can also be formed by assembling the upper half part and the lower half part, and the box body 40 is fixed on the frame 1. The case 40 may further be provided at the top thereof with an oil cup 401 for lubricating the first needle bar 411 and the second needle bar 412 and a thread stand 402 for placing a suture thread.

In order to ensure the sewing effect, the first needle bar 411 and the second needle bar 412 are respectively provided with two, the two first needle bars 411 are arranged in front and back, the two second needle bars 412 are arranged in front and back, correspondingly, the guide frame comprises a front guide frame 413 and a rear guide frame 414, the front first needle bar 411 and the second needle bar 412 are fixed on the front guide frame 413, the rear first needle bar 411 and the second needle bar 412 are fixed on the rear guide frame 414, because the first needle bar 411 and the second needle bar 412 reciprocate up and down at high speed in operation, a needle bar upper sleeve 415 and a needle bar lower sleeve 416 are further arranged in the box body 40 to guide the first needle bar 411 and the second needle bar 412, the needle bar upper sleeve 415 is respectively sleeved at the top ends of the first needle bar 411 and the second needle bar 412, the needle bar lower sleeve 416 is respectively sleeved at the bottom ends of the first needle bar 411 and the second needle bar 412, and the guide frame is fixed at the middle parts of the first needle bar 411 and the second. The bottom ends of the first needle bar 411 and the second needle bar 412 are fixed with needles 400, and the needles 400 are detachably connected for facilitating the replacement of the needles 400.

The front guide car frame 413 and the rear guide car frame 414 are rotatably connected with one end of the first connecting rod 46 through a connecting shaft 417, a first eccentric shaft 471 and a second eccentric shaft 472 are arranged on the first crank 47, the other end of the first connecting rod 46 is rotatably connected with the first eccentric shaft 471, the second eccentric shaft 472 is rotatably connected with one end of the take-up lever 45, the other end of the take-up lever 45 extends out of the box body 40 for take-up, one end of the take-up rocker 44 is rotatably connected with the middle of the take-up lever 45, and the other end of the take-up rocker 44 is rotatably connected on the box body 40.

The presser foot comprises a presser foot rod 431 and a presser foot plate 432, the presser foot plate 432 is fixed at the bottom end of the presser foot rod 431, the presser foot rod 431 is connected in the box body 40 in a sliding manner and drives the presser foot plate 432 to lift up and down relative to the box body 40, the presser foot plate 432 is provided with a needle penetrating hole 433 for the needle 400 to penetrate through, and the needle 400 penetrates through the needle penetrating hole 433 and is matched with a thread hooking component to realize sewing work.

Referring to fig. 1, 2, 7 and 8, the driving system includes a driving motor 42, a first transmission assembly and an output crank 424, the driving motor 42 drives the output crank 424 to rotate through the first transmission assembly, the first crank 47 is connected to the output crank 424, specifically, the first eccentric shaft 471 is connected to the output crank 424, and the first eccentric shaft 471 and the second eccentric shaft 472 are both eccentric with respect to the rotation center of the output crank 424. Specifically, the first transmission assembly comprises an input worm 421, a driven worm wheel 422 and a first driven shaft 423, the input worm 421 is driven by the driving motor 42, the input worm 421 is meshed with the driven worm wheel 422, the driven worm wheel 422 is installed on the first driven shaft 423, and the output crank 424 is installed on the first driven shaft 423 to rotate along with the driven worm wheel 422. The driving motor 42 is fixed outside the box body and can be in transmission connection with the input worm 421 through a belt transmission mode.

In the present invention, only one driving motor 42 is used to drive the sewing head 4 and the thread hooking part. Therefore, as seen in fig. 8 and 9, the first driven shaft 423 is further provided with an output gear 425, the thread hooking component includes a second transmission assembly, a first rotating shuttle and a second rotating shuttle, the second transmission assembly includes a first driven gear 611 and a second driven shaft 612, the first driven gear 611 is mounted on the second driven shaft 612, the first driven gear 611 is in meshing transmission with the output gear 425, the first rotating shuttle and the second rotating shuttle are in transmission connection with the second driven shaft 612, the first rotating shuttle is located below the first needle bar 411, and the second rotating shuttle is located below the second needle bar 412.

Since the space in the casing 40 is limited and there are two first rotating shuttles and two second rotating shuttles, the present embodiment uses a multi-shaft transition to achieve the transmission. Specifically, a first driven gear 611 is installed at one end of a second driven shaft 612, a first transition gear 613 is arranged at the other end of the second driven shaft 612, the first transition gear 613 is in meshing transmission with a second transition gear 621, the second transition gear 621 is arranged at one end of a first transition shaft 622, a third transition gear 623 is arranged at the other end of the first transition shaft 622, the third transition gear 623 is in meshing transmission with a fourth transition gear 631, the fourth transition gear 631 is arranged on a second transition shaft 632, the second transition shaft 632 is further provided with a fifth transition gear 633 and a sixth transition gear 634, the fifth transition gear 633 is in meshing transmission with a seventh transition gear 641, the sixth transition gear 634 is in meshing transmission with an eighth transition gear 651, the seventh transition gear 641 is arranged on the third transition shaft 642, the eighth transition gear 651 is arranged on a fourth transition shaft 652, the first rotary shuttle comprises a first shuttle 661, a first shuttle core 662 and a first shuttle shell 663, the first bobbin 662 is arranged in the first shuttle 661, the first bobbin case 663 is sleeved on the first bobbin 662, the first shuttle 661 is connected on the first shuttle shaft 664, the second driven gear 665 is arranged on the first shuttle shaft 664, the ninth transition gear 643 is arranged on the third transition shaft 642, the second driven gear 665 is in mesh transmission with the ninth transition gear 643, two first rotary shuttles are arranged on the third transition shaft 642, two ninth transition gears 643 are required to be arranged to be in mesh transmission with the two second driven gears 665, the second rotary shuttle comprises a second shuttle 671, a second bobbin 672 and a second shuttle case 673, the second bobbin 672 is arranged in the second shuttle 671, the second shuttle case 673 is sleeved on the second bobbin 672, the second shuttle 671 is connected on the second shuttle shaft 674, the third driven gear 675 is arranged on the second shuttle shaft 674, the fourth transition shaft 652 is provided with the tenth transition gear 653, the third driven gear 675 is in mesh transmission with the tenth transition gear 653, since two second rotary shuttles are provided, two tenth transition gears 653 are provided on the third transition shaft 642 to mesh with the two third driven gears 675. Because only one driving motor 42 is adopted to drive four needle bars and four rotating shuttles, the synchronous rate is high, and the sewing effect is better. In the invention, the box body is arranged into an arch shape in the front-back direction, the front part of the box body is suspended for the needle to extend out, and the rear part of the box body is fixedly connected with the frame and is simultaneously used for the second driven shaft 612 to pass through. In this embodiment, the second driven shaft 612 is vertically disposed, so that the first transition shaft 622 is horizontally disposed to horizontally transmit power, and since the first rotating shuttle and the second rotating shuttle are disposed, the power is divided into two parts by using the second transition shaft, the third transition shaft and the fourth transition shaft, and is respectively transmitted to the first rotating shuttle and the second rotating shuttle, so that the rotation synchronism of the first rotating shuttle and the second rotating shuttle is ensured, the second transition shaft, the third transition shaft and the fourth transition shaft are horizontally disposed, and the first rotating shuttle and the second rotating shuttle are vertically mounted, so that the 90-degree torsion of the power is realized again by the first shuttle shaft and the second shuttle shaft, the height of the space occupied by the thread hooking component can be sufficiently reduced, and the overall height of the rack can be reduced.

In the present invention, the feeding roller 5 may be driven by only one driving motor 42. Referring to fig. 1, 2, 8 and 10, a feeding eccentric wheel 426 is disposed on the first driven shaft 423, a feeding joint connecting rod 427 is sleeved on the feeding eccentric wheel 426, the feeding eccentric wheel 426 rotates to drive the feeding joint connecting rod 427 to reciprocate linearly, the feeding joint connecting rod 427 is rotatably connected with a feeding rocker arm crank 51 to drive the feeding rocker arm crank 51 to swing back and forth, the feeding rocker arm crank 51 is rotatably connected to the box 40, the feeding press roller 5 comprises a roller body and a press roller central shaft 52, the roller body is connected with the press roller central shaft 52 through a one-way bearing 53, the first driven shaft drives the press roller central shaft to periodically rotate forward and backward through a crank connecting rod mechanism to intermittently rotate the roller body, specifically, the feeding rocker arm crank 51 is connected with the press roller central shaft 52 through a transmission connecting rod 59 to drive the press roller central shaft 52 to periodically rotate forward and backward to, the feed pressing roller 5 includes a first pressing roller 501 for pressing the first portion and a second pressing roller 502 for pressing the second portion. The first lifter 54 may employ a linear actuator such as an air cylinder, a hydraulic cylinder, or the like. In the embodiment, a lifting cylinder is adopted, a piston rod of the lifting cylinder is connected with a compression roller frame 55, a compression roller central shaft 52 is connected with the compression roller frame 55 to rotatably connect the feeding compression roller 5 on the compression roller frame 55, a compression roller guide sleeve 56 is arranged for the compression roller frame 55 to lift up and down, the compression roller frame 55 is connected with a slide rod 551, and the slide rod 551 is inserted into the compression roller guide sleeve 56 for sliding connection.

Two first needle bars 411 and two second needle bars 412 are adopted, and in order to ensure that four needle bars can work well, two first pressing rollers 501 and two second pressing rollers 502 are arranged, the two first pressing rollers 501 are arranged in parallel front and back, the two second pressing rollers 502 are arranged in parallel front and back, and the two first pressing rollers 501 and the two second pressing rollers 502 are driven through a chain wheel 57 and a chain 571. The chain wheel 57 is mounted on the roller frame 55, and a positioning link 58 is further disposed between the front and rear roller frames 55 to ensure stable spacing between the front and rear first rollers 501 and the second roller 502.

As shown in fig. 1 and 11, the cutting device 7 includes a cutting knife 71, a knife rest 72, a translation track 73, a translation driver 74 and a second lifter 75, the cutting knife 71 is mounted on the knife rest 72, the knife rest 72 is connected to the translation track 73, the translation driver 74 is connected to the knife rest 72 to drive the cutting knife 71 to perform reciprocating translation, and the second lifter 75 is connected to the translation track 73 to drive the cutting knife 71 to move up and down. The translation actuator 74 and the second lifter 75 may be linear actuators such as pneumatic cylinders or hydraulic cylinders. In order to ensure the cutting effect, a cloth pressing plate 76 can be connected to the translation track 73, a feed groove 761 for the cutter 71 to pass through is formed in the cloth pressing plate 76, and the cloth pressing plate 76 presses the first part and the second part tightly, so that the cutting effect is prevented from being influenced by the movement of the first part and the second part when the cutter 71 cuts the edge covering cloth and the suture thread.

In the above embodiment, the bottom of the frame 1 may be provided with a traveling mechanism, such as a roller, etc., the frame 1 is arranged on the base, the traveling mechanism drives the frame 1 to move on the base in the working process, so that only the frame 1 needs to travel automatically, the bag sewing object is shoveled by the panel 11, the cutting knife 71 divides the bag sewing object into the first part and the second part, the head of the edge covering cloth is fixed with the first part and the second part by a worker, following the traveling of the frame 1, the automatic processing of the bag sewing object, such as dividing, edge covering and sewing can be realized, and after one-time processing is completed, the frame 1 is retracted to the original position to prepare for the next processing.

Other embodiments of the present invention than the preferred embodiments described above, and those skilled in the art can make various changes and modifications according to the present invention without departing from the spirit of the present invention, should fall within the scope of the present invention defined in the claims.

Claims

1. An automatic multifunctional bag sewing machine is characterized by comprising a rack, a cutting knife, an edge wrapping device, a sewing machine head, a feeding press roller, a thread hooking component and a cutting device, wherein the cutting knife, the edge wrapping device, the feeding press roller and the cutting device are arranged in sequence from front to back, the sewing machine head is positioned above the feeding press roller, the thread hooking component is positioned below the feeding press roller, the cutting knife divides a bag sewing object into a first part and a second part along the conveying direction, the edge wrapping device outputs edge wrapping cloth to respectively wrap the first part and the second part, the feeding press roller presses the first part and the second part after edge wrapping on the rack and drives the first part and the second part after edge wrapping to move backwards, the sewing machine head and the thread hooking component are matched to respectively sew the edge wrapping cloth on the first part and the second part of the feeding press roller, and the edge wrapping cloth and a sewing thread on the first part and the second part after bag sewing are cut off by the cutting device, the ware of borduring is including the board of borduring that is used for depositing the storage cloth holder of borduring cloth and guide bordure cloth fifty percent discount and carry out bordure, the board of borduring cuts the sword symmetric distribution relatively and bordures first portion and second part respectively, the board of borduring includes the delivery board, go up hem board and hem board down, be equipped with transfer passage in the board of borduring, transfer passage's entry is located the rear end of delivery board, transfer passage's export is located the front end of hem board and hem board down, the relative delivery board fifty percent discount in the front portion of going up hem board and hem board makes transfer passage's export buckle into the U-shaped, sew the package thing and pass between hem board and the hem board down and pull out the bordure cloth from transfer passage's export and realize borduring, transfer passage's direction and the transfer direction of sewing the package thing form contained angle alpha, alpha is less than 180 for 90.

2. The automated multi-function bag closer of claim 1, wherein the cutting blade is driven by a cutting motor fixed to the frame, a pressure plate is disposed above the cutting blade, the pressure plate covering the cutting blade and restraining the bag to the frame during cutting.

3. The automatic multifunctional sack closer according to claim 1, characterized in that the sewing machine head comprises a box body, a driving system, and a first needle bar, a second needle bar, a presser foot, a thread take-up rocker, a thread take-up lever, a first connecting rod and a first crank which are arranged in the box body, the first needle bar and the second needle bar are arranged side by side, the first needle bar and the second needle bar stitch the edge-wrapped cloth on the first part and the second part respectively, the first needle bar and the second needle bar are fixed on a guide frame, the guide frame is connected with one end of the first connecting rod, the other end of the first connecting rod is rotatably connected with the first crank, one end of the thread take-up lever is rotatably connected with the first crank, the other end of the thread take-up lever extends out of the box body, one end of the thread take-up rocker is rotatably connected with the thread take-up lever, the other end of the thread take-up rocker is rotatably connected.

4. The automated multi-functional sack closer of claim 3, characterized in that, the actuating system includes driving motor, first transmission assembly and output crank, and driving motor drives the output crank rotation through first transmission assembly, and first crank is connected with the output crank.

5. The automated multi-functional bag closer according to claim 4, wherein the first transmission assembly includes an input worm, a driven worm wheel, and a first driven shaft, the input worm is driven by a driving motor, the input worm is engaged with the driven worm wheel, the driven worm wheel is mounted on the first driven shaft, and the output crank is mounted on the first driven shaft to rotate with the driven worm wheel.

6. The automatic multifunctional bag closer according to claim 5, wherein the first driven shaft is further provided with an output gear, the thread hooking component comprises a second transmission assembly, a first rotating shuttle and a second rotating shuttle, the second transmission assembly comprises a first driven gear and a second driven shaft, the first driven gear is mounted on the second driven shaft, the first driven gear is in meshing transmission with the output gear, the first rotating shuttle and the second rotating shuttle are in transmission connection with the second driven shaft respectively, the first rotating shuttle is located below the first needle rod, and the second rotating shuttle is located below the second needle rod.

7. The automatic multifunctional bag closer according to claim 5, wherein the first driven shaft is provided with a feeding eccentric wheel, the feeding eccentric wheel is sleeved with a feeding joint connecting rod, the feeding eccentric wheel rotates to drive the feeding joint connecting rod to reciprocate linearly, the feeding joint connecting rod is connected with the feeding rocker crank in a rotating manner to drive the feeding rocker crank to swing back and forth, the feeding rocker crank is connected with the box in a rotating manner, the feeding press roller comprises a roller body and a press roller central shaft, the roller body is connected with the press roller central shaft through a one-way bearing, the feeding rocker crank is connected with the press roller central shaft in a driving manner to drive the press roller central shaft to periodically rotate forward and backward so that the roller body intermittently rotates, the press roller central shaft is connected with the first lifter, and the feeding press roller comprises a first press roller.

8. The automatic multifunctional sack closer according to any one of claims 1 to 7, characterized in that the cutter comprises a cutter, a cutter holder, a translation rail, a translation driver and a second lifter, wherein the cutter is mounted on the cutter holder, the cutter holder is connected to the translation rail, the translation driver is connected to the cutter holder to drive the cutter to reciprocate and translate, and the second lifter is connected to the translation rail to drive the cutter to move up and down; or the cutting device comprises an electric heating wire, a wire holder and a third lifter, two ends of the electric heating wire are connected with the wire holder, and the third lifter is connected with the wire holder to drive the electric heating wire to lift up and down.