CN115848030A

CN115848030A - Double-sided code spraying process for multilayer composite packaging film

Info

Publication number: CN115848030A
Application number: CN202211588196.1A
Authority: CN
Inventors: 黄锋
Original assignee: Zhejiang Fahshi Technology Co ltd
Current assignee: Zhejiang Fahshi Technology Co ltd
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-03-28

Abstract

The invention relates to the technical field of composite film production, in particular to a double-sided code spraying process for a multilayer composite packaging film, which comprises the steps of firstly pulling the film from a film rolling frame, releasing the film, winding the film until the film is divided into an inner layer film and an outer layer film at the film dividing roller, winding the inner layer film to a plurality of longitudinal guide rollers, returning the inner layer film to a code spraying roller at the right side, and combining the inner layer film and the outer layer film below a film combining roller; winding the film on a film winding frame positioned on the left side to wind the film; and starting the two inkjet printers and a time relay arranged on the inkjet printer positioned on the left side, so that the code is firstly sprayed on the inner layer film, and the code is sprayed on the outer layer film after the code is sprayed on the same position corresponding to the code of the inner layer film. According to the invention, the inner layer film firstly bypasses the code spraying rollers on the right side and is firstly sprayed by the code spraying machine, then the codes which bypass the code spraying rollers on the left side are combined, and the code spraying machine on the left side is started in a delayed manner, so that the code spraying positions of the inner layer film and the outer layer film are not correspondingly staggered, and the problem of repeated shutdown caused by dislocation is solved.

Description

Double-sided code spraying process for multilayer composite packaging film

Technical Field

The invention relates to the technical field of composite film production, in particular to a double-sided code spraying process for a multilayer composite packaging film.

Background

The functions of code scanning and prize exchanging, anti-fleeing and selling, anti-counterfeiting and the like of the application of the Internet of things in the current market all need to use a double-sided code assigning technology, the content of the former code assigning only exists singly outside or in a package, the code assigning brings about not little challenges to code scanning in the package for production, code scanning in circulation and the like, but if the code assigning is outside the package, the code assigning is extremely easy to be damaged by goods fleeing personnel to cause the inquiry of goods fleeing information, and the application of promotion and prize exchanging and the like must be in the package to destroy the product package after acquiring the ownership of the product and obtain the product. Functions such as logistics management and control, promotion, anti-counterfeiting and the like are often required by customers at the same time, and in order to meet production convenience and realize functions without being damaged, the requirement of simultaneously endowing association codes inside and outside a package is met;

the code outside the package is used for scanning code identification in the production and logistics storage processes, and the code is outside the package, so that code scanning is realized and is easy. The associated package internal code is difficult to destroy without being dismantled or opened, and cannot be maliciously read. Therefore, the requirements of batch production, storage and transportation are met, the function of preventing damage is also met, and the endowed relevant information can be searched through the associated internal code even if the external code is damaged in the circulation process.

However, due to the multilayer structure of the composite packaging bag, the printing process, the food safety and other problems, the inner code and the outer code of the bag cannot be completed at one time and are completed in a plurality of processes, the outer code of the bag is printed in the printing process, then the outer code of the bag is printed through the composite middle layer, the inner code pre-associated with the outer code is printed on the composite packaging, and the product rejection rate is increased due to the fact that the inner code and the outer code are misplaced easily due to improper control in the process.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention aims to provide a double-sided code spraying process for a multilayer composite packaging film, so as to solve the problems in the background technology.

In order to achieve the aim, the invention provides a double-sided code spraying process for a multilayer composite packaging film, which comprises the following steps:

s1, firstly, placing a coiled composite film on a film coiling frame on the right side, and pulling the film to release the composite film;

s2, respectively installing the two code spraying machines above the left end and the right end of the code spraying frame;

s3, the pulled composite film is wound around a plurality of transverse guide rollers on the upper layer of the film separating frame in a crossing manner until the composite film reaches the film separating rollers;

s4, separating the outer layer film from the inner layer film, winding the inner layer film to a plurality of longitudinal guide rollers, returning the inner layer film to the code spraying roller on the right side, and combining the inner layer film and the outer layer film below the film combining roller;

s5, bypassing a plurality of transverse guide rollers in the middle of the code spraying frame until bypassing the code spraying roller on the left side, and then winding the film on the film winding frame on the left side to wind the film;

s6, in the film separation process of the composite film, starting two code spraying machines and a time relay arranged on the code spraying machine on the left side, and then spraying a code on an inner layer film bypassing a code spraying roller on the right side, until the inner layer film and an outer layer film of the code spraying are combined and then pulled to the code spraying roller on the left side, and spraying a code on the outer layer film after the code is sprayed at the same position corresponding to the inner layer film;

above-mentioned two-sided ink jet numbering structure is including distributing in the book membrane frame of the left and right sides and the yard frame that spouts that is located the middle part, the top of spouting the code frame leans on right side department to be provided with and divides the membrane device, divide the membrane device to inlay between membrane frame, a pair of membrane frame top horizontal pole of dividing that sets up including being the M type symmetry and establish a plurality of horizontal guide rollers, a pair of membrane frame montants and inlay a plurality of vertical guide rollers and inlay the branch membrane roller of locating spout a yard frame middle part top, the below of dividing the membrane roller is provided with the swing roller that can deflect from top to bottom, it is equipped with a pair of ink jet numbering machine to inlay near the equal symmetry in end about just between the top of spouting the code frame, wherein lies in the ink jet numbering machine below on right side and inlays and is equipped with one pair of film roller, lies in left ink jet numbering machine circular telegram circuit and installs time relay, the top of spouting the code frame just is located and is every has the ink jet numbering machine to hanging directly over every.

As a further improvement of the technical scheme, the film rolling frame comprises a film rolling roller, a supporting plate sleeved at two ends of the film rolling roller and a motor installed outside the supporting plate, and an output shaft of the motor is connected with the film rolling roller in a coaxial mode.

As a further improvement of the technical scheme, a plurality of transverse guide rollers are embedded between the two pairs of code spraying rollers in the middle of the code spraying frame, and the height positions of the transverse guide rollers are distributed in a decreasing manner from left to right.

As a further improvement of the technical scheme, each pair of center shaft connecting lines of the code spraying rollers are horizontally arranged, the distance between the film combining rollers is larger than the distance between the code spraying rollers, the two ends of the swing rollers are sleeved with straight plates, the left ends of the straight plates are rotatably connected with the inner walls of the code spraying frames through pins, the right ends of the straight plates are hinged with electric cylinders, and the lower ends of the cylinders of the electric cylinders are rotatably connected with the inner parts of the code spraying frames.

As a further improvement of the technical scheme, a trimming device for trimming the composite film edge material is arranged at the bottom of the left end of the code spraying frame, and the trimming device comprises a trimming roller embedded between the code spraying frames, a pair of trimming knives suspended outside two ends of the trimming roller, a knife adjusting rod for driving the trimming knives to swing, a material drawing box positioned outside the trimming knives and a material rolling mechanism for rolling the composite film edge material.

As a further improvement of this technical scheme, coiling mechanism is including the double-end motor that is horizontal setting around being, the reel that cup joints with double-end motor both ends output shaft and with the conveyer belt that draws the butt joint of material box, electric motor is installed to the one end of conveyer belt, the inside embedding of draw material box is equipped with a plurality of shifting rollers, the servo motor who is used for driving a plurality of shifting roller synchronous revolution is installed in the outside of draw material box, the radial interpolation of reel has connect the shifting block.

As a further improvement of the technical scheme, the method also comprises the following steps:

s7, winding the composite film wound down from the code spraying roller on the left side to the outward side of the trimming roller and winding the composite film to a film winding frame on the left side;

s8, the rotary cutter adjusting rod drives the lower hem of the pair of trimming knives to be close to the outer side face of the trimming roller, and the rim charge of the composite film can be cut off along with the winding and drawing of the composite film;

s9, starting a servo motor to drive a plurality of shifting rollers to rotate so as to shift the rim charge falling into the charge guiding box to the coiling mechanism;

and S10, simultaneously starting the electric motor and the double-head motor, wherein the electric motor drives the conveying belt to move to support the rim charge pulled out from the material guiding box to the lower part of the winding drum, and the winding drum is wound and stored by the winding drum pulled by the pulling block to rotate.

As a further improvement of the technical scheme, the outer sides of the two ends of the trimming roller are provided with trimming grooves which are connected with the trimming knives in a clamping manner, the top of each trimming knife is connected with a supporting knife shaft in a clamping manner, the two ends of each supporting knife shaft are embedded in the inner wall of the code spraying frame, the middle of each supporting knife shaft is tightly sleeved with a worm wheel, the lower end of each adjusting knife rod is tightly sleeved with a worm meshed with the worm wheel, and the upper section of each adjusting knife rod is sleeved with a hanging rod welded to the top of the code spraying frame.

As a further improvement of the technical scheme, belt wheels are sleeved at one end of a central shaft of each of the plurality of shifting rollers, a tooth-groove belt is meshed outside the belt wheels, the servo motor is coaxially connected with one of the shifting rollers, the two sides of the conveying belt are provided with the feeding strips, the lower ends of the pair of feeding strips are provided with the feeding plates, and the feeding plates are welded with the bottom surfaces of the feeding boxes.

As a further improvement of the technical scheme, a compression roller is arranged under the winding drum, the two ends of the compression roller are sleeved with a U-shaped frame, the bottom shaft of the U-shaped frame is sleeved with the upper end of the feeding strip and can rotate, the two ends of the output shaft of the double-headed motor are sleeved with a supporting cover, an inserted bar is sleeved in the middle of the bottom shaft of the U-shaped frame of the compression roller, the bottom of the inserted bar penetrates through the bottom of the supporting cover, and the end part of the output shaft of the double-headed motor is in threaded connection with a screw cap.

Compared with the prior art, the invention has the following beneficial effects:

1. in this two-sided yard process of spouting of multilayer composite packaging film, through the code spraying frame and the membrane separation device that set up, utilize the membrane separation roller to fall into interior adventitia with the complex film, interior tunica adventitia is then walked around earlier and is spouted the sign indicating number earlier by the ink jet numbering machine on right side, it merges into the complex film to wind to close the tunica roller and outer tunica, and walk around and be spouted the sign indicating number on the left ink jet numbering machine, and same trigger source has been chooseed for use with left ink jet numbering machine through the OCR industrial camera with the installation on the ink jet numbering machine on right side, time relay has been added on left ink jet numbering machine with the time delay setting, make the correspondence of interior ectonexine spout the sign indicating number position not misplace, the smoothness nature of production has been ensured to the at utmost, reduce the repeated shutdown problem that the dislocation leads to.

2. In this two-sided yard technology that spouts of multilayer composite packaging membrane, carry out the rim charge through the deburring device that sets up to the complex film after spouting the sign indicating number and repair and cut, set up the coil stock mechanism simultaneously, utilize to draw the head that the rim charge was caught to the material box, start to dial the roller rotation and dial the rim charge to the reel below, start double-end motor drive reel rolling rim charge for the rolling rim charge is automatic to be gone on, guarantees that operational environment is clean and tidy.

Drawings

The drawings described herein are for illustration purposes only and are not intended to limit the scope of the present disclosure in any way. In addition, the shapes, the proportional sizes, and the like of the respective members in the drawings are merely schematic for facilitating the understanding of the present invention, and do not specifically limit the shapes, the proportional sizes, and the like of the respective members of the present invention. Those skilled in the art, having the benefit of the teachings of this invention, may choose from the various possible shapes and proportional sizes to implement the invention as a matter of case.

FIG. 1 is a plan view of the overall structure of the present invention;

FIG. 2 is a plan view of the assembly structure of the film separating device and the ink jet printer of the present invention;

FIG. 3 is a plan view of the construction of the trimming apparatus of the present invention;

FIG. 4 is a schematic view of the assembly of the trimming apparatus of the present invention;

FIG. 5 is a top view of the trimming apparatus of the present invention;

FIG. 6 is a schematic view of the edger roll and edger blade assembly of the present invention;

FIG. 7 is a schematic view of the construction of the deburring cutter of the present invention;

FIG. 8 is a schematic view of a partial assembly of the winding mechanism of the present invention;

FIG. 9 is a schematic view of the assembly structure of the material guiding box of the present invention;

FIG. 10 is a schematic view of the support shield assembly of the present invention;

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

FIG. 12 is an assembled and disassembled view of the leader of the present invention;

FIG. 13 is an exploded view of the lead box of the present invention;

fig. 14 is a schematic view of the assembly structure of the conveyor belt of the present invention.

The various reference numbers in the figures mean:

100. a film rolling frame; 110. code spraying frame;

200. a membrane separation device; 210. a film separating frame; 220. a transverse guide roller; 230. a longitudinal guide roller; 240. a film separating roller; 250. a swing roll; 260. code spraying rollers; 270. a film combining roller;

300. an ink jet printer;

400. a trimming device; 410. trimming rollers; 411. cutting an edge groove; 420. trimming knives; 421. a card slot; 422. clamping the strip; 430. adjusting a cutter bar; 431. a worm; 432. a worm gear; 433. supporting a cutter shaft; 434. a boom; 440. a draw-off box; 441. a poking roller; 442. a servo motor; 443. a toothed belt; 444. a pulley;

450. a material rolling mechanism; 451. a double-headed motor; 4511. a support housing; 4512. a through hole; 452. a reel; 4521. a slot; 453. a conveyor belt; 454. a draw bar; 4541. a fuse plate; 455. a compression roller; 4551. a rod is inserted; 456. screwing a cover; 457. shifting blocks; 4571. a spring; 458. an electric motor.

Detailed Description

The details of the present invention will become more apparent in light of the accompanying drawings and description of specific embodiments thereof. However, the specific embodiments of the present invention described herein are for the purpose of illustration only and should not be construed as limiting the invention in any way. Any possible variations based on the present invention may be conceived by the skilled person in the light of the teachings of the present invention, and these should be considered to fall within the scope of the present invention. The terms "mounted" and "connected" are to be understood in a broad sense, may be directly connected or indirectly connected through an intermediate.

As used herein, the terms "central axis," "vertical," "horizontal," "front," "rear," "upper," "lower," "left," "right," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated based on the orientation or positional relationship as shown in the figures, merely to facilitate description and to simplify description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1-14, the present invention provides a double-sided inkjet printing process for a multi-layer composite packaging film, comprising the following steps:

s1, firstly, placing a coiled composite film on a film rolling frame 100 on the right side, and pulling the film to release the composite film;

s2, respectively installing the two inkjet printers 300 above the left end and the right end of the inkjet printing frame 110;

s3, the pulled composite film is wound around the transverse guide rollers 220 on the upper layer of the film separating frame 210 in a crossing manner until the film separating rollers 240 are formed;

s4, separating the outer layer film from the inner layer film, winding the inner layer film to a plurality of longitudinal guide rollers 230, returning the inner layer film to the code spraying roller 260 on the right side, and combining the inner layer film and the outer layer film below the film combining roller 270;

s5, the film is wound around a plurality of transverse guide rollers 220 in the middle of the code spraying frame 110 until the film is wound around the code spraying roller 260 on the left side, and then the film is wound on the film winding frame 100 on the left side;

s6, in the process of film separation of the composite film, starting the two code spraying machines 300 and the time relay arranged on the code spraying machine 300 on the left side, and then spraying codes on the inner layer film bypassing the code spraying roller 260 on the right side, and spraying codes on the outer layer film at the same position corresponding to the code spraying of the inner layer film when the inner layer film and the outer layer film which are sprayed codes are combined and then pulled to the code spraying roller 260 on the left side;

and an OCR industrial camera is additionally arranged on the code spraying machine on the right side to identify the outer code of the packaging bag, the data is uploaded to FahShi double-sided associated code assigning software, the code assigning software retrieves the associated data packet which is imported in advance, after finding the corresponding inner code, the inner code data is sent to the code spraying machine on the right side through SOCKET communication, and the code spraying machine finishes the inner code spray printing after receiving the trigger signal. In order to solve the problem of internal and external code dislocation caused by the fact that an OCR and an electric eye trigger signal of a left code spraying machine are in false triggering, the OCR and the left code spraying machine adopt the same trigger source, a time relay is additionally arranged on the left code spraying machine to be in delay setting, so that the problem that a camera and a code spraying are synchronous can be perfectly solved, and the problem that the OCR and the left code spraying machine are asynchronous due to the fact that the electric eye is in false triggering or not in triggering caused by various reasons is solved. The smoothness of production is guaranteed to the greatest extent. And meanwhile, the front and back surface synchronous detection OCR is additionally arranged at the rear section of the coding equipment, and the front and back surface data are simultaneously shot to carry out database verification, so that the scrapping loss caused by large-batch dislocation is avoided, and wrong data support is provided for rear section cutting and detecting products.

Specifically, the double-sided code spraying structure comprises film rolling frames 100 distributed on the left side and the right side and a code spraying frame 110 located in the middle, a film separating device 200 is arranged above the code spraying frame 110 close to the right, and the film separating device 200 comprises M-shaped symmetrically arranged film separating frames 210, a plurality of transverse guide rollers 220 embedded between cross bars at the tops of the pair of film separating frames 210, a plurality of longitudinal guide rollers 230 embedded between vertical bars of the pair of film separating frames 210 and a film separating roller 240 embedded above the middle of the code spraying frame 110;

a swinging roller 250 which can deflect up and down is arranged below the film separating roller 240 and is used for approaching or departing from the film separating roller 240 so as to smoothly switch around and guide the film; a pair of code spraying rollers 260 are symmetrically embedded between the tops of the code spraying frames 110 and close to the left end and the right end, a pair of film combining rollers 270 is embedded below the code spraying rollers 260 on the right side, a time relay is installed in a power-on circuit of the code spraying machine 300 on the left side, and the problem that an OCR (optical character recognition) camera installed on the code spraying machine 300 on the right side delays trigger signals of the code spraying machine on the left side is solved, so that the problem that the camera and code spraying are synchronous can be perfectly solved;

the inkjet printer 300 is suspended above each pair of inkjet printing rollers 260 above the inkjet printing frame 110 and used for spraying codes on the film surfaces passing through the pair of inkjet printing rollers 260, an inner layer film passes between the top surfaces of the pair of inkjet printing rollers 260 on the right side, and a composite film passes between the top surfaces of the other pair of inkjet printing rollers 260, so that the code is sprayed on the inner layer film by film separation, and then the code is sprayed on the outer layer film by film combination.

Further, roll up membrane frame 100 and include roll up the membrane roller, with the fagging that roll up membrane roller both ends cup joint and the motor of fagging outside installation, the output shaft and the roll up membrane roller coaxial coupling of motor.

Further, a plurality of transverse guide rollers 220 are embedded in the middle of the code spraying frame 110 and between the two pairs of code spraying rollers 260, and the height positions of the plurality of transverse guide rollers 220 are distributed in a decreasing manner from left to right.

Specifically, the central axis connecting line of each pair of code spraying rollers 260 is horizontally arranged, and the distance between the two film combining rollers 270 is larger than the distance between the pair of code spraying rollers 260, so that the film combining is smooth;

the both ends of swing roller 250 have cup jointed straight board and straight board left end and spout the yard 110 inner walls of frame and be connected through the pin rotation, and the right-hand member of this straight board articulates there is electronic jar, and the cylinder lower extreme of electronic jar is connected with the inside rotation of spouting yard 110, starts electronic jar drive its piston rod flexible and push up swing roller 250 luffing motion to be close to and keep away from with film separating roller 240.

In addition, a trimming device 400 for trimming the composite film edge material is arranged at the bottom of the left end of the code spraying frame 110, and the trimming device 400 comprises a trimming roller 410 embedded between the code spraying frames 110, a pair of trimming knives 420 suspended outside the two ends of the trimming roller 410, a knife adjusting rod 430 for driving the trimming knives 420 to swing, a material guiding box 440 positioned outside the trimming knives 420 and a material rolling mechanism 450 for rolling the composite film edge material;

coil mechanism 450 is including being the double-end motor 451 of horizontal setting around, reel 452 and the conveyer belt 453 with draw material box 440 butt joint that cup joint with double-end motor 451 both ends output shaft, electric motor 458 is installed to the one end of conveyer belt 453, draw material box 440 inside to inlay and be equipped with a plurality of rollers 441, draw material box 440's the outside to install and be used for driving a plurality of rollers 441 synchronous revolution's servo motor 442, reel 452 radially interpolation has connect shifting block 457, the top of shifting block 457 is the cockscomb structure, do benefit to draw and hang the rim charge of carrying from conveyer belt 453, make the rolling rim charge go on automatically, guarantee that operational environment is clean and tidy.

Furthermore, slots 4521 inserted with the shifting block 457 are symmetrically formed in the radial outer side of the winding drum 452, the side face of the narrow side of the shifting block 457 is of a rectangular cavity structure, pins are inserted at the bottom of the shifting block 457, and the pins penetrate through the two axial ends of the winding drum 452 to prevent the shifting block 457 from slipping;

the top surface of the pin is embedded with a plurality of springs 4571, the shifting block 457 is pressed into the slot 4521 along with the winding of the rim charge, the rim charge is cut off after being fully wound, then the fracture is bonded by using an adhesive tape, the winding drum 452 is taken down from the output shaft of the double-end motor 451, and then the winding drum 452 is knocked out from the wound rim charge.

It is worth mentioning that the method also comprises the following steps:

s7, winding the composite film wound down from the code spraying roller 260 on the left side to the outward side of the trimming roller 410 and winding the composite film to the film winding frame 100 on the left side;

s8, rotating the cutter adjusting rod 430 to drive the pair of trimming cutters 420 to swing downwards to be close to the outer side faces of the trimming rollers 410, and cutting off the rim charge of the composite film along with the rolling and drawing of the composite film;

s9, starting a servo motor 442 to drive a plurality of shifting rollers 441 to rotate so as to shift the rim charge falling into the lead box 440 to the coiling mechanism 450;

s10, the electric motor 458 and the double-headed motor 451 are simultaneously started, and the electric motor 458 drives the conveyor 453 to move so as to pull the rim charge drawn from the charging box 440 to the lower side of the roll 452, and the roll 452 wound and rotated by the block 457 is wound and stored.

Specifically, the outer sides of the two ends of the trimming roller 410 are provided with trimming grooves 411 which are clamped with the trimming knives 420, and the edges of the trimming knives 420 and the inner sides of the trimming grooves 411 form a shearing effect to smoothly cut off the rim charge of the composite film;

a cutter supporting shaft 433 is clamped in the tops of the pair of trimming knives 420, and two ends of the cutter supporting shaft 433 are embedded in the inner wall of the code spraying frame 110, so that the cutter supporting shaft 433 stably drives the trimming knives 420 to swing; the middle part of holding in the palm arbor 433 has closely cup jointed worm wheel 432, and the lower extreme of adjusting the cutter arbor 430 has closely cup jointed the worm 431 with worm wheel 432 meshing, and the upper segment of adjusting the cutter arbor 430 cup joints and spouts a yard frame 110 top welded jib 434, and wherein, the top of adjusting the cutter arbor 430 has closely cup jointed the ring and the ring is located the top of jib 434 bottom axle sleeve, forms limit structure, guarantees to adjust cutter arbor 430 position stability.

Further, a U-shaped clamping groove 421 is formed in the top of the trimming knife 420, a clamping strip 422 is hinged to the top of an opening end of the clamping groove 421, the other end of the clamping strip 422 is fixedly connected with the side edge of the knife body of the trimming knife 420 through a bolt, and a silica gel pad is bonded on the inner side of the clamping strip 422 and used for pressing the knife supporting shaft 433 to position the trimming knife 420.

Specifically, belt wheels 444 are sleeved at one end of a central shaft of each of the plurality of shifting rollers 441, cogged belts 443 are meshed at the outer sides of the plurality of belt wheels 444, the servo motor 442 is coaxially connected with one of the shifting rollers 441, the two sides of the conveying belt 453 are provided with the feeding strips 454, circular shafts at the two ends of the conveying belt 453 are embedded between the feeding strips 454, a feeding plate 4541 is arranged at the lower end of each of the pair of feeding strips 454, and the feeding plates 4541 are welded to the bottom surface of the feeding box 440.

It is worth to say that a compression roller 455 is arranged right below the winding drum 452, two ends of the compression roller 455 are sleeved with a U-shaped frame, a bottom shaft of the U-shaped frame is sleeved with an upper end of the material guiding strip 454 and can rotate, two ends of an output shaft of the double-head motor 451 are sleeved with supporting covers 4511, an inserting rod 4551 is sleeved in the middle of the bottom shaft of the U-shaped frame of the compression roller 455, the bottom end of the inserting rod 4551 penetrates through the bottom of the supporting cover 4511, and the end part of the output shaft of the double-head motor 451 is in threaded connection with a screw cap 456 for limiting the winding drum 452;

the material guiding strip 454 and the material guiding plate 4541 are made of spring steel and are made into a strip-shaped integrated structure, so that the material guiding strip 454 has bending resilience, the compression roller 455 is pressed to be close to the lower part of the winding drum, the outer side of the rim charge is extruded, and the diffusion of the rim charge is avoided.

In addition, the supporting cover 4511 is in a cylindrical shape with an open end, a bearing is sleeved at a closed central hole at the other end of the supporting cover 4511, the bearing is sleeved with an output shaft of the double-head motor 451, and the upper end of the baiting box 440 is embedded in the side surface of the supporting cover 4511, so that the lower end of the baiting box 440 is stably suspended below the outer side of the trimming knife 420 to contact with the head end of the falling rim charge and is further pulled upwards by the rotating shifting roller 441;

the bottom of the supporting cover 4511 is fixedly connected with a platform on the left side of the code spraying frame 110 through bolts and is used for supporting the double-headed motor 451 to stably drive the winding drum 452 to rotate the coil stock; the bottom of supporting boot 4511 is seted up the through-hole 4512 with inserted bar 4551 grafting, plays the guide effect, guarantees that compression roller 455 is located the outside that the rim charge is being pressed to reel 452 below, plays the guide rolling and avoids the effect of diffusion when cutting off the rim charge.

It should be noted that the above-mentioned embodiments are only for illustrating the technical idea and features of the present invention, and the purpose of the present invention is to enable those skilled in the art to understand the content of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. A double-sided code spraying process for a multilayer composite packaging film is characterized by comprising the following steps: comprises the following steps the method comprises the following steps:

s1, firstly, placing a coiled composite film on a film coiling frame (100) on the right side, and pulling the film to release the composite film;

s2, respectively installing the two code spraying machines (300) above the left end and the right end of the code spraying frame (110);

s3, the pulled composite film is wound from a plurality of transverse guide rollers (220) on the upper layer of the film separating frame (210) to a film separating roller (240) in a crossing manner;

s4, separating the outer layer film from the inner layer film, winding the inner layer film to a plurality of longitudinal guide rollers (230), returning the inner layer film to a code spraying roller (260) on the right side, and combining the inner layer film and the outer layer film below a film combining roller (270);

s5, the film is wound around a plurality of transverse guide rollers (220) in the middle of the code spraying frame (110) until the film is wound around the code spraying roller (260) on the left side, and then the film is wound on the film winding frame (100) on the left side;

s6, in the film separation process of the composite film, starting two code spraying machines (300) and a time relay arranged on the code spraying machine (300) on the left side, and further spraying codes on an inner layer film bypassing a code spraying roller (260) on the right side until the inner layer film and an outer layer film of the code spraying are combined and then pulled to the code spraying roller (260) on the left side, and spraying codes on the outer layer film at the same position corresponding to the inner layer film;

above-mentioned two-sided ink jet numbering structure is including rolling up membrane frame (100) that distributes in the left and right sides and the ink jet numbering frame (110) that is located the middle part, the top of ink jet numbering frame (110) is close to right department and is provided with branch membrane device (200), divide membrane device (200) including being membrane frame (210) that M type symmetry set up, inlay between a pair of membrane frame (210) top horizontal pole and establish a plurality of horizontal guide roller (220), a pair of membrane frame (210) between the montant inlay a plurality of vertical guide roller (230) and inlay and locate the membrane roller (240) of ink jet numbering frame (110) middle part top, the below of membrane roller (240) is provided with swing roll (250) that can deflect from top to bottom, just be close to the equal symmetry of end and inlay and be equipped with a pair of membrane roller (260) about between the top of ink jet numbering frame (110), wherein lie in the code jet numbering roller (260) below on right side and inlay and be equipped with a pair of membrane roller (270), the left side is located and installs time relay in the circular telegram circuit in the ink jet numbering frame (300), the top and every is located ink jet numbering frame (260) and is just there is hanging up the ink jet numbering machine (300).

2. The double-sided code spraying process for the multilayer composite packaging film as claimed in claim 1, characterized in that: roll up membrane frame (100) including roll up the membrane roller, with the fagging that roll up membrane roller both ends cup joint and the motor of fagging outside installation, the output shaft and the roll up membrane roller coaxial coupling of motor.

3. The double-sided code spraying process for the multilayer composite packaging film according to claim 1, characterized in that: the middle part of the code spraying frame (110) is embedded with a plurality of transverse guide rollers (220) between two pairs of code spraying rollers (260), and the height positions of the transverse guide rollers (220) are distributed in a decreasing mode from left to right.

4. The double-sided code spraying process for the multilayer composite packaging film according to claim 1, characterized in that: every is every be the center pin line of spouting yard roller (260) is the level setting, two the interval of closing membrane roller (270) is greater than the interval of spouting a pair of yard roller (260), the both ends of swing roller (250) are cup jointed the straight board and the straight board left end passes through the pin rotation with spouting yard frame (110) inner wall and is connected, and the right-hand member of this straight board articulates there is electronic jar, and the cylinder lower extreme of electronic jar is connected with the inside rotation of spouting yard frame (110).

5. The double-sided code spraying process for the multilayer composite packaging film according to claim 1, characterized in that: the trimming device (400) for trimming the composite film rim charge is arranged at the bottom of the left end of the code spraying frame (110), and the trimming device (400) comprises a trimming roller (410) embedded between the code spraying frame (110), a pair of trimming knives (420) suspended outside two ends of the trimming roller (410), a knife adjusting rod (430) for driving the trimming knives (420) to swing, a material guiding box (440) positioned outside the trimming knives (420) and a material rolling mechanism (450) for rolling the composite film rim charge.

6. The double-sided code spraying process for the multilayer composite packaging film according to claim 5, characterized in that: coil mechanism (450) including be double-end motor (451) that the front and back transversely set up, reel (452) that cup joints with double-end motor (451) both ends output shaft and with conveyer belt (453) that draw material box (440) butt joint, electric motor (458) are installed to the one end of conveyer belt (453), draw material box (440) inside inlays and is equipped with a plurality of shifting rollers (441), servo motor (442) that are used for driving a plurality of shifting rollers (441) synchronous revolution are installed to the outside of drawing material box (440), the radial interpolation of reel (452) has connect shifting block (457).

7. The double-sided code spraying process for the multilayer composite packaging film according to claim 6, characterized in that: further comprising the steps of:

s7, winding the composite film wound down from the code spraying roller (260) on the left side to the outward side of the trimming roller (410) and winding the composite film to the film winding frame (100) on the left side;

s8, rotating the knife adjusting rod (430) to drive the lower hem of the pair of trimming knives (420) to be close to the outer side face of the trimming roller (410), and cutting off the rim charge of the composite film along with the winding and drawing of the composite film;

s9, starting a servo motor (442) to drive a plurality of shifting rollers (441) to rotate so as to shift the rim charge falling into the lead box (440) to the coiling mechanism (450);

s10, simultaneously starting the electric motor (458) and the double-head motor (451), wherein the electric motor (458) drives the conveyer belt (453) to move so as to lead the rim charge pulled out from the material guiding box (440) to the lower part of the winding drum (452), and then the winding drum (452) which is pulled by the pulling block (457) to rotate is wound and stored.

8. The double-sided inkjet printing process for the multilayer composite packaging film according to claim 7, characterized in that: the both ends department outside of edging roller (410) is seted up and is connect side cut groove (411) with deburring sword (420) joint, and the joint has a support arbor (433) in a pair of deburring sword (420) top, the both ends that hold in the palm arbor (433) are inlayed and are located and spout a yard frame (110) inner wall, the middle part of holding in the palm arbor (433) has closely cup jointed worm wheel (432), the lower extreme of adjusting arbor (430) has closely cup jointed worm (431) with worm wheel (432) meshing, the upper segment of adjusting arbor (430) cup joint with spout a yard frame (110) top welded jib (434).

9. The double-sided inkjet printing process for the multilayer composite packaging film according to claim 8, wherein the process comprises the following steps: belt wheels (444) are sleeved at one end of a central shaft of each of the plurality of shifting rollers (441), toothed groove belts (443) are meshed at the outer sides of the plurality of belt wheels (444), the servo motor (442) is coaxially connected with one of the shifting rollers (441), the two sides of the conveying belt (453) are respectively provided with an introducing strip (454), the lower ends of a pair of introducing strips (454) are provided with a material introducing plate (4541), and the material introducing plates (4541) are welded with the bottom surfaces of the material introducing boxes (440).

10. The double-sided code spraying process for the multilayer composite packaging film according to claim 9, characterized in that: be provided with compression roller (455) under reel (452), the both ends of compression roller (455) are cup jointed U type frame and the end shaft of U type frame cup joints and can rotate with the upper end of dummy bar (454), the output shaft both ends cover of double-end motor (451) is equipped with support cover (4511), peg (4551) has been cup jointed at the U type frame end shaft middle part of compression roller (455), the bottom of peg (4551) runs through support cover (4511) bottom, the output shaft tip threaded connection of double-end motor (451) has spiral cover (456).