CN114368155A - Preparation device and preparation process of bread packaging bag film with perspective window - Google Patents
Preparation device and preparation process of bread packaging bag film with perspective window Download PDFInfo
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- CN114368155A CN114368155A CN202210075340.5A CN202210075340A CN114368155A CN 114368155 A CN114368155 A CN 114368155A CN 202210075340 A CN202210075340 A CN 202210075340A CN 114368155 A CN114368155 A CN 114368155A
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- roller
- transparent film
- squeeze
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- 238000002360 preparation method Methods 0.000 title claims abstract description 46
- 235000008429 bread Nutrition 0.000 title claims abstract description 40
- 238000004806 packaging method and process Methods 0.000 title claims description 23
- 239000003292 glue Substances 0.000 claims abstract description 183
- 238000003825 pressing Methods 0.000 claims abstract description 35
- 230000000712 assembly Effects 0.000 claims abstract description 7
- 238000000429 assembly Methods 0.000 claims abstract description 7
- 238000005096 rolling process Methods 0.000 claims description 35
- 238000001125 extrusion Methods 0.000 claims description 33
- 239000011248 coating agent Substances 0.000 claims description 31
- 238000000576 coating method Methods 0.000 claims description 31
- 238000012856 packing Methods 0.000 claims description 20
- 238000007790 scraping Methods 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 15
- 238000001179 sorption measurement Methods 0.000 claims description 10
- 238000003860 storage Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 7
- 239000002131 composite material Substances 0.000 claims description 5
- 238000003892 spreading Methods 0.000 claims description 5
- 239000002344 surface layer Substances 0.000 claims description 5
- 238000009825 accumulation Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 claims 3
- 239000007888 film coating Substances 0.000 claims 3
- 238000009501 film coating Methods 0.000 claims 3
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 238000001035 drying Methods 0.000 claims 1
- 239000012528 membrane Substances 0.000 abstract description 23
- 230000000694 effects Effects 0.000 abstract description 10
- 238000010073 coating (rubber) Methods 0.000 abstract description 7
- 230000008520 organization Effects 0.000 abstract 2
- 229920000297 Rayon Polymers 0.000 abstract 1
- 238000004026 adhesive bonding Methods 0.000 description 12
- 239000010410 layer Substances 0.000 description 10
- 235000013305 food Nutrition 0.000 description 7
- 238000009434 installation Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000003973 paint Substances 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
- B29C65/52—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive
- B29C65/521—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive by spin coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/16—Rigid blades, e.g. scrapers; Flexible blades, e.g. wipers
- B08B1/165—Scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/20—Cleaning of moving articles, e.g. of moving webs or of objects on a conveyor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
- B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
- B29C66/45—Joining of substantially the whole surface of the articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
- B29C66/834—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools moving with the parts to be joined
- B29C66/8341—Roller, cylinder or drum types; Band or belt types; Ball types
- B29C66/83411—Roller, cylinder or drum types
- B29C66/83413—Roller, cylinder or drum types cooperating rollers, cylinders or drums
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2007/00—Flat articles, e.g. films or sheets
- B29L2007/002—Panels; Plates; Sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2009/00—Layered products
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Package Closures (AREA)
- Laminated Bodies (AREA)
Abstract
A preparation apparatus and its preparation method of the bread wrapping bag with perspective window uses the membrane, relate to the bread wrapping bag and make the technical field, in order to solve when bonding transparent membrane and non-transparent membrane, the paster operates the troublesome and single-sided viscose bubble easily, and the technical matter that the glue extruded is apt to re-glue, the invention has a rubber coating organization through locating at the membrane preparation organization between opaque film and transparent film, the bottom end of the transparent film rubber coating assembly communicates and is provided with the rubber conduit, the bottom end of the rubber conduit communicates and is provided with the opaque film rubber coating assembly, locate at one side of the rubber conduit and also have auxiliary rubber coating assemblies, locate at one side both ends of adjusting roller assembly and squeeze roll and have frictioning assemblies, can realize transparent membrane have not exposed in the glue in the air while two pieces of membrane are rubberized at the same time, provide the membrane making effect, can also avoid the surplus glue from moving to the end of pressing membrane, resulting in uneven film pressing and ensuring the clean and tidy surface of the pressed film.
Description
Technical Field
The invention relates to the technical field of bread packaging bag manufacturing equipment, in particular to a device and a process for preparing a film with a perspective window for bread packaging bags.
Background
A food packaging bag is a packaging design, and is convenient for keeping food fresh and storing in life, so that a product packaging bag is produced. The food packaging bag is a film container which is directly contacted with food and is used for containing and protecting the food, the food packaging bag is produced by using a food-grade plastic film, generally comprises more than two layers of composite material packaging bags, and the food packaging bag can be divided into the following parts according to the application range: the bread packaging bag is used for protecting the bread and also needs to be displayed and explained.
However, when the current film preparation device for bread packaging bags with see-through windows bonds a transparent film and a non-transparent film, because a non-transparent opening corresponding to one side of the transparent film is exposed in the air, the side does not need to be glued, a round sheet is stuck to a corresponding position on the transparent film at present, and the pasted sheet is torn off after gluing, so that the operation flow is increased, the cost is increased, or the two sides of the exposed position of the transparent film are glued, the middle is not coated, the bonding effect of the uncoated part of the transparent film is poor, bubbling is easy during natural heat, glue is easily extruded from the two sides when the films on the two sides are bonded, and the extruded glue is easily extruded onto the film again in the rolling process, so that the surface of the film is provided with glue, and the film needs to be cleaned, and is troublesome to operate, and the attractiveness of the film is affected.
To solve the above problems. Therefore, a preparation device and a preparation process of the film with the perspective window for the bread packaging bag are provided.
Disclosure of Invention
The invention aims to provide a device and a process for preparing a film for bread packaging bags with perspective windows, wherein a film preparation mechanism positioned between an opaque film and a transparent film is provided with a glue coating mechanism, the glue coating mechanism comprises a glue conveying pipe and a transparent film glue coating assembly arranged at the output end of the glue conveying pipe, the input end of the glue conveying pipe is connected with a glue conveyor, the lower end of the transparent film glue coating assembly is communicated with a glue guide pipe, the lower end of the glue guide pipe is communicated with the opaque film glue coating assembly, one side of the glue guide pipe is also provided with an auxiliary glue coating assembly, a first press film roller set comprises an adjusting roller assembly and a lower extrusion roller positioned at the lower end of the adjusting roller assembly, the two ends of the lower extrusion roller are movably connected with the inner sides of supporting vertical plates, the two ends of one side of the adjusting roller assembly and the two ends of one side of the extrusion roller are provided with glue scraping assemblies, and the glue scraping assemblies are respectively arranged in groups on the inner sides of the two supporting vertical plates, the problems set forth in the above background art can be solved.
In order to achieve the purpose, the invention provides the following technical scheme: a preparation device of a film for a bread packaging bag with a perspective window comprises a supporting bottom plate and a film preparation mechanism arranged at one end of the upper side of the supporting bottom plate, wherein a non-transparent film is attached to the lower end of the film preparation mechanism, a plurality of visual holes are formed in the non-transparent film in a penetrating mode, a transparent film is attached to the upper end of the film preparation mechanism, a glue coating mechanism is arranged on the film preparation mechanism located between the non-transparent film and the transparent film, and the output sections of the non-transparent film and the transparent film which are connected through glue penetrate through a dryer;
the glue coating mechanism comprises a glue conveying pipe and a transparent film glue coating assembly arranged at the output end of the glue conveying pipe, the input end of the glue conveying pipe is connected with a glue conveyor, the lower end of the transparent film glue coating assembly is communicated with a glue guide pipe, the lower end of the glue guide pipe is communicated with an opaque film glue coating assembly, and an auxiliary glue coating assembly is further arranged on one side of the glue guide pipe.
Furthermore, the film preparation mechanism comprises two supporting vertical plates and a first transmission roller set arranged in the two opposite supporting vertical plates, a second transmission roller set is also arranged in the two supporting vertical plates parallel to the first transmission roller set, a first film pressing roller set and a second film pressing roller set are arranged in the middle between the two supporting vertical plates far away from the first transmission roller set, and the first film pressing roller set and the second film pressing roller set are on the same horizontal line.
Furthermore, first press mold roller set includes adjusting roller subassembly and is located the lower squeeze roll of adjusting roller subassembly lower extreme, and the both ends of lower squeeze roll are connected with the interior survey activity that supports vertical plate, and the both ends of one side that are located adjusting roller subassembly and squeeze roll are provided with the frictioning subassembly, and the frictioning subassembly respectively sets up a set ofly at the interior survey that two support vertical plates.
Furthermore, the adjusting roller assembly comprises an upper extrusion roller and linking pieces movably arranged at two ends of the upper extrusion roller, an extrusion spring is arranged at the upper end of each linking piece, and the upper end of each extrusion spring is fixedly connected with the supporting vertical plate.
Further, the frictioning subassembly includes the connecting thread pipe and sets up the lantern ring in connecting thread pipe one end, and the connecting thread pipe can with support vertical edition threaded connection, and the one end that the connecting thread pipe was kept away from to the lantern ring is provided with the connecting block, and one side upper end that the lantern ring was kept away from to the connecting block is provided with the frictioning sword, goes up frictioning sword and last squeeze roll phase-match, and one side lower extreme of connecting block is provided with down the frictioning sword, lower frictioning sword and squeeze roll phase-match down.
Further, transparent film rubber coating subassembly is including storing up gluey box and the movable setting scribbles the rubber roll in storing up gluey box survey, and the lower half section submergence of scribbling the rubber roll is in glue, and the interior survey that is located to store up gluey box is provided with even roller for scribble the rubber roll from storing up gluey box adsorbed glue and roll extrusion on last rubber roll even.
Furthermore, the auxiliary gluing component comprises a supporting block and an auxiliary rolling column which is arranged at one end of the supporting block, which is far away from the rubber guide tube, the auxiliary rolling column starts to be provided with a groove, and the diameter of the gluing roller is the same as that of the auxiliary rolling column and is also provided with a groove.
Further, the nontransparent film gluing component comprises an installation box and a supporting rolling column arranged in the installation box for measuring, an adsorption sleeve is sleeved on the outer side of the supporting rolling column, the lower end of the adsorption sleeve is attached to a lower glue spreader arranged on the installation box, the lower glue spreader slightly extrudes the adsorption sleeve, and the surface of the glue spreader is convenient to glue.
Further, the middle lower end of the supporting block is provided with a lower auxiliary film pressing piece), the lower auxiliary film pressing piece) comprises a flow guide piece and a lower auxiliary piece arranged at the lower end of the flow guide piece, the flow guide piece is communicated with the lower half section of the supporting block, glue in the glue guide pipe conveniently flows into the lower auxiliary piece, and the lower auxiliary piece is the same as the inner composition structure of the opaque film gluing component.
The invention provides another technical scheme that: the preparation process of the preparation device of the film for the bread packaging bag with the perspective window comprises the following steps:
s1: when film pressing is started, the upper squeeze roll is manually shifted upwards, and the composite film penetrates through the upper squeeze roll;
s2: when the transparent film rolls from the upper roller, glue on the surface layer of the upper roller is coated on the surface of the transparent film in a rolling manner and rolls to the groove, the transparent film has the same area as that of the visible hole and is not coated with glue, when the transparent film passes over the first film pressing roller group from the upper end of the second transmission roller group, the transparent film is uniformly coated by the auxiliary rolling column for the second time, and the non-coated position corresponds to the groove of the auxiliary rolling column exactly, so that the transparent film is coated for the second time;
meanwhile, when the opaque film rolls from the lower glue spreader, the lower glue spreader coats the opaque film from the glue adsorbed by the adsorption sleeve, and further coats the opaque film with the transparent film at the same time, and when the opaque film crosses the first film pressing roller group from the lower end of the second transmission roller group, the opaque film is uniformly coated by the lower glue spreader of the lower auxiliary part for the second time;
s3: the transparent film after being coated with the glue is extruded and glued by a lower extrusion roller and an upper extrusion roller and penetrates through a dryer;
meanwhile, the two layers of films are connected and extruded along with the upper extrusion roll and the lower extrusion roll, a small amount of glue between the two layers of films can be extruded from two sides, and the glue is scraped by the upper glue scraper and the lower glue scraper when the glue scraper rotates to the positions of knife edges of the upper glue scraper and the lower glue scraper along with the accumulation of extrusion capacity.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention provides a preparation device and a preparation process of a film for a bread packaging bag with a perspective window, when a transparent film rolls from an applicator roll, glue on the surface layer of the applicator roll is coated on the surface of the transparent film in a rolling way and rolls to a groove, the transparent film has the same area as that of a visible hole and is not coated with glue, when the transparent film passes over from the upper end of a second transmission roller set to a first film pressing roller set, the transparent film is uniformly coated by an auxiliary rolling column for the second time, the non-coated position is just corresponding to the groove of the auxiliary rolling column, and then the coating is carried out for the second time, so that the coating is more uniform, the blank part of the transparent film coated with glue is corresponding to the visible hole of the opaque film, when the transparent film is bonded with the opaque film, the surface of the transparent film exposed in the air has no glue, so that the position is cleaner and the transparency of the perspective window is ensured, the use effect is improved.
2. When the opaque film rolls from the lower glue spreader, the lower glue spreader spreads the glue adsorbed by the adsorption sleeve on the opaque film, and then spreads the glue with the transparent film at the same time, and when the opaque film crosses from the lower end of the second transmission roller set to the first film pressing roller set, the lower glue spreader of the lower auxiliary part spreads the glue uniformly for the second time, so that the uniformity of spreading the surface of the opaque film is improved, and the glue is spread synchronously with the transparent film in real time, so that the glue on the two films is ensured to be almost the same, and the uniformity of the transparent film and the opaque film after being glued is further improved.
3. According to the preparation device and the preparation process of the film for the bread packaging bag with the perspective window, when film pressing is started, the upper squeeze roller is manually pushed upwards, so that the composite film can conveniently penetrate through the film, the operation is simple, the upper squeeze roller can be squeezed downwards by the squeeze spring and further matched with the lower squeeze roller, the non-transparent film and the transparent film can be squeezed and connected, and the preparation effect of the film is improved.
4. According to the preparation device and the preparation process of the film for the bread packaging bag with the perspective window, along with the extrusion of the upper extrusion roller and the lower extrusion roller for connecting the two layers of films, a small amount of glue between the two layers of films can be extruded from two sides, along with the accumulation of extrusion amount, when the films rotate to the knife edge parts of the upper glue scraping knife and the lower glue scraping knife, the films are scraped by the upper glue scraping knife and the lower glue scraping knife, the phenomenon that the pressed films are not uniform due to the fact that the redundant glue moves to the film pressing end is avoided, the surfaces of the pressed films are guaranteed to be clean and tidy, and the preparation effect of the films is improved.
Drawings
FIG. 1 is a schematic view showing an overall perspective structure of a film for bread packing bag with a see-through window according to the present invention;
FIG. 2 is a perspective view showing a side mechanism of a film formation mechanism of the apparatus for forming a film for a bread packing bag with a see-through window according to the present invention;
FIG. 3 is a schematic perspective view of the film preparation mechanism and the film preparation process mechanism of the film preparation device for bread packaging bags with a see-through window;
FIG. 4 is a perspective view of a glue applying mechanism of the apparatus for preparing a film for a bread packing bag with a see-through window according to the present invention;
FIG. 5 is a schematic view showing the structure of an inner screen of a glue applying mechanism of the apparatus for preparing a film for a bread packing bag with a see-through window according to the present invention;
FIG. 6 is an enlarged view of the structure at the A point of FIG. 5 of the apparatus for preparing a film for a bread packing bag with a see-through window according to the present invention;
FIG. 7 is a perspective view illustrating an auxiliary glue applying unit of the apparatus for preparing a film for a bread packing bag with a see-through window according to the present invention;
FIG. 8 is a schematic side plan view showing a structure of a transparent film in a groove of a film for a bread packing bag having a see-through window according to the present invention;
fig. 9 is a schematic perspective view of a first film pressing roller set of the apparatus for preparing a film for a bread packing bag with a see-through window according to the present invention;
FIG. 10 is a perspective view illustrating a structure of a dancer assembly of the apparatus for preparing a film for bread packing bag with a see-through window according to the present invention;
FIG. 11 is a schematic perspective view showing the entire construction of a squeegee assembly of the apparatus for preparing a film for a bread packing bag with a see-through window according to the present invention;
fig. 12 is a schematic perspective view showing a configuration of a squeegee assembly of the apparatus for preparing a film for a bread packing bag with a see-through window according to the present invention.
In the figure: 1. a support base plate; 2. a membrane preparation mechanism; 21. supporting the vertical plate; 22. a first drive roller set; 23. a second drive roller set; 24. a first film pressing roller set; 241. a conditioning roll assembly; 2411. an upper squeeze roll; 2412. a joining member; 2413. a compression spring; 242. a lower squeeze roll; 243. a glue scraping component; 2431. connecting a threaded pipe; 2432. a collar; 2433. connecting blocks; 2434. mounting a doctor blade; 2435. a lower doctor blade; 25. a second film pressing roller set; 3. an opaque film; 4. a transparent film; 5. a gluing mechanism; 51. a rubber delivery pipe; 52. a transparent film gluing component; 521. a glue storage box; 522. coating a rubber roller; 523. a leveling roller; 53. a rubber guide tube; 54. an opaque film glue application assembly; 541. mounting a box; 542. supporting the rolling column; 543. an adsorption sleeve; 544. a glue spreading roller is arranged; 55. an auxiliary gluing component; 551. a support block; 552. an auxiliary rolling column; 5521. a groove; 553. a lower auxiliary film pressing piece; 5531. a flow guide member; 5532. a lower auxiliary member; 6. and a dryer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to solve the technical problems that when a transparent film and a non-transparent film are bonded, a non-transparent opening part corresponding to one side of the transparent film is exposed in the air, the side does not need to be coated with glue, a round piece is adhered to a corresponding position on the transparent film in the prior art, and the pasted piece is torn off after the glue is coated, so that the operation flow is increased, the cost is increased, or the two sides of the exposed part of the transparent film are coated with glue, the middle part is not coated, the bonding effect of the uncoated part of the transparent film is poor, and the transparent film is easy to bubble when the transparent film is hot, please refer to fig. 1-8, and the following technical scheme is provided;
the utility model provides a take preparation facilities of bread wrapping bag membrane of perspective window, including supporting bottom plate 1 and setting up at the membrane preparation mechanism 2 that supports 1 upside one end of bottom plate, the lower extreme of membrane preparation mechanism 2 is attached to have opaque film 3, run through on the opaque film 3 and seted up a plurality of visual holes 31, the upper end of membrane preparation mechanism 2 is attached to have transparent film 4, be provided with rubber coating mechanism 5 on the membrane preparation mechanism 2 that is located between opaque film 3 and the transparent film 4, the output section of opaque film 3 and transparent film 4 after the gluey connection runs through drying-machine 6.
The film preparation mechanism 2 comprises two supporting vertical plates 21 and a first transmission roller group 22 arranged in the two opposite supporting vertical plates 21, a second transmission roller group 23 is also arranged in the two supporting vertical plates 21 parallel to the first transmission roller group 22, a first film pressing roller group 24 and a second film pressing roller group 25 are arranged in the middle between the two supporting vertical plates 21 far away from the first transmission roller group 22, and the first film pressing roller group 24 and the second film pressing roller group 25 are on the same horizontal line.
The glue coating mechanism 5 comprises a glue conveying pipe 51 and a transparent film glue coating assembly 52 arranged at the output end of the glue conveying pipe 51, the input end of the glue conveying pipe 51 is connected with a glue conveyor, the lower end of the transparent film glue coating assembly 52 is communicated with a glue guide pipe 53, the lower end of the glue guide pipe 53 is communicated with an opaque film glue coating assembly 54, and an auxiliary glue coating assembly 55 is further arranged on one side of the glue guide pipe 53.
The transparent film gluing component 52 comprises a glue storage box 521 and an applicator roll 522 movably arranged on the inner side of the glue storage box 521, the lower half section of the applicator roll 522 is immersed in glue, and a uniform roll 523 is arranged on the inner side of the glue storage box 51 and used for uniformly rolling the glue absorbed by the applicator roll 522 from the glue storage box 51 on the applicator roll 522.
The auxiliary glue spreading assembly 55 comprises a supporting block 551 and an auxiliary rolling post 552 arranged at one end of the supporting block 551 far away from the glue guide tube 53, the auxiliary rolling post 552 starts to be provided with a groove 5521, and the diameter of the glue spreading roller 522 is the same as that of the auxiliary rolling post 552, and the groove 5521 is also arranged.
Specifically, when the transparent film 4 rolls from the applicator roller 522, the glue on the surface layer of the applicator roller 522 is coated on the surface of the transparent film 4 in a rolling manner, and when rolling to the recess 5521, the transparent film 4 will have the same area as the viewing aperture 31 without being glued, when the transparent film 4 passes from the upper end of the second driving roller group 23 to the first film pressing roller group 24, the auxiliary rolling column 552 is uniformly coated for the second time, and the non-coated position just corresponds to the groove 5521 of the auxiliary rolling column 552, and then the painting is carried out for the second time, so that the painting is more uniform, the gluing blank of the transparent film 4 corresponds to the visible hole 31 of the opaque film 3, when the transparent film 4 is adhered with the non-transparent film 3, the surface of the transparent film 4 exposed in the air has no glue, the transparent window is cleaner and smoother, the cleanness and the transparent uniformity of the transparent window are guaranteed, and the using effect is improved.
The opaque film gluing component 54 comprises an installation box 541 and a support rolling column 542 arranged in the installation box 541, wherein the outer side of the support rolling column 542 is sleeved with an adsorption sleeve 543, the lower end of the adsorption sleeve 543 is attached to a lower glue spreader 544 arranged on the installation box 541, the lower glue spreader 544 slightly extrudes the adsorption sleeve 543, and the surface of the glue spreader 544 is convenient to glue.
The lower auxiliary film pressing member 553 is arranged at the lower end of the middle part of the supporting block 551), the lower auxiliary film pressing member 553) comprises a flow guide member 5531 and a lower auxiliary member 5532 arranged at the lower end of the flow guide member 5531, the flow guide member 5531 is communicated with the lower half section of the supporting block 551, so that the glue in the glue guide pipe 53 flows into the lower auxiliary member 5532, and the inner composition structure of the lower auxiliary member 5532 is the same as that of the opaque film gluing component 54.
Specifically, when opaque film 3 rolled from glue spreader 544 down, glue spreader 544 smears opaque film 3 from adsorbing the glue that cover 543 adsorbs down, and then with transparent film 4 rubber coating simultaneously, cross the in-process of first press mold roller set 24 from the lower extreme of second drive roller set 23 when opaque film 3, it evenly paints to carry out the secondary by lower auxiliary 5532's lower glue spreader 544, improve the degree of consistency that opaque film 3 surface was paintd, and paint in real time for synchronous with transparent film 4, guarantee that the state of glue on two-layer film is almost the same, further improve the even after transparent film 4 and opaque film 3 are sticky.
In order to solve the technical problems that when a transparent film and a non-transparent film are bonded, glue is easily extruded from two sides when the films on the two sides are bonded, and the extruded glue is easily extruded onto the film again in the rolling process, so that the surface of the film is provided with glue, the film needs to be cleaned, the operation is troublesome, and the attractiveness of the film is affected, please refer to fig. 2 and 9-12, and provide the following technical scheme;
the first squeeze film roller group 24 comprises an adjusting roller assembly 241 and a lower squeeze roller 242 located at the lower end of the adjusting roller assembly 241, two ends of the lower squeeze roller 242 are movably linked with the inner sides of the supporting vertical plates 21, two ends of one side of the adjusting roller assembly 241 and the squeeze roller 242 are provided with a glue scraping assembly 243, and the glue scraping assemblies 243 are respectively arranged in one group at the inner sides of the two supporting vertical plates 21.
The adjusting roller assembly 241 comprises an upper extrusion roller 2411 and a joint 2412 movably arranged at two ends of the upper extrusion roller 2411, wherein an extrusion spring 2413 is arranged at the upper end of the joint 2412, and the upper end of the extrusion spring 2413 is fixedly connected with the supporting vertical plate 21.
Specifically, when pressing the membrane at the beginning, manual stirring up squeeze roll 2411, be convenient for pass compound membrane, easy operation, extrusion spring 2413 can be to last squeeze roll 2411 extrusion downwards moreover, and then with squeeze roll 242 cooperation down, can extrude the connection to opaque film 3 and transparent film 4, improves the preparation effect of membrane.
Further, the glue scraping assembly 243 comprises a connecting threaded pipe 2431 and a collar 2432 arranged at one end of the connecting threaded pipe 2431, the connecting threaded pipe 2431 can be in threaded connection with the supporting vertical plate 21, a connecting block 2433 is arranged at one end, far away from the connecting threaded pipe 2431, of the collar 2432, an upper glue scraping knife 2434 is arranged at the upper end of one side, far away from the collar 2432, of the connecting block 2433, the upper glue scraping knife 2434 is matched with the upper extrusion roller 2411, a lower glue scraping knife 2435 is arranged at the lower end of one side of the connecting block 2433, and the lower glue scraping knife 2435 is matched with the lower extrusion roller 242.
Specifically, along with last squeeze roll 2411 and squeeze roll 242 extrude two-layer membrane connection, glue between the two-layer membrane can have a small amount of from both sides extruded, along with piling up of extrusion capacity, when rotating the knife edge department of last doctor 2434 and lower doctor 2435, be scraped down by last doctor 2434 and lower doctor 2435, avoid unnecessary glue to remove to the pressure membrane end, it is inhomogeneous to lead to the pressure membrane, guarantee that the good membrane surface of pressure is clean and tidy, improve the preparation effect of membrane.
The invention provides another technical scheme that: the preparation process of the preparation device of the film for the bread packaging bag with the perspective window comprises the following steps:
the method comprises the following steps: when film pressing is started, the upper squeezing roller 2411 is manually pushed upwards, and the composite film passes through;
step two: when the transparent film 4 rolls from the applicator roller 522, the glue on the surface layer of the applicator roller 522 is coated on the surface of the transparent film 4 in a rolling manner and rolls to the groove 5521, the transparent film 4 has the same area as the visible hole 31 and is not coated with glue, when the transparent film 4 passes over from the upper end of the second transmission roller group 23 to the first film pressing roller group 24, the auxiliary rolling column 552 uniformly coats the transparent film for the second time, and the non-coated position just corresponds to the groove 5521 of the auxiliary rolling column 552, so that the transparent film is coated for the second time;
meanwhile, when the opaque film 3 rolls from the lower glue spreader 544, the lower glue spreader 544 spreads the glue adsorbed by the adsorbing sleeve 543 on the opaque film 3, and further spreads the glue with the transparent film 4 at the same time, and when the opaque film 3 passes over from the lower end of the second driving roller set 23 to the first film pressing roller set 24, the glue is uniformly spread by the lower glue spreader 544 of the lower auxiliary 5532 for the second time;
step three: the transparent film 3 and the transparent film 4 after being coated with the glue are extruded and glued by the lower extrusion roller 242 and the upper extrusion roller 2411 and penetrate through the dryer 6;
meanwhile, as the upper squeeze roll 2411 and the lower squeeze roll 242 squeeze the two-layer film connection, a small amount of glue between the two layers of films is squeezed out from both sides, and as the squeezed amount is accumulated, when the glue is rotated to the knife edge of the upper doctor blade 2434 and the lower doctor blade 2435, the glue is scraped by the upper doctor blade 2434 and the lower doctor blade 2435.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (10)
1. A preparation device of a film with a perspective window for bread packaging bags comprises a supporting bottom plate (1) and a film preparation mechanism (2) arranged at one end of the upper side of the supporting bottom plate (1), and is characterized in that a non-transparent film (3) is attached to the lower end of the film preparation mechanism (2), a plurality of visible holes (31) are formed in the non-transparent film (3) in a penetrating mode, a transparent film (4) is attached to the upper end of the film preparation mechanism (2), a glue coating mechanism (5) is arranged on the film preparation mechanism (2) between the non-transparent film (3) and the transparent film (4), and the non-transparent film (3) and the transparent film (4) which are connected through glue are arranged in an output section of a drying machine (6);
the glue coating mechanism (5) comprises a glue conveying pipe (51) and a transparent film glue coating assembly (52) arranged at the output end of the glue conveying pipe (51), the input end of the glue conveying pipe (51) is connected with a glue conveyor, the lower end of the transparent film glue coating assembly (52) is communicated with a glue guide pipe (53), the lower end of the glue guide pipe (53) is communicated with an opaque film glue coating assembly (54), and an auxiliary glue coating assembly (55) is further arranged on one side of the glue guide pipe (53).
2. The apparatus for preparing a film for bread packing bags with a see-through window according to claim 1, wherein the film preparing mechanism (2) comprises two supporting vertical plates (21) and a first driving roller set (22) arranged in the two supporting vertical plates (21) which are opposite to each other, a second driving roller set (23) is arranged in the two supporting vertical plates (21) which are parallel to the first driving roller set (22), a first squeeze film roller set (24) and a second squeeze film roller set (25) are arranged in the middle between the two supporting vertical plates (21) which are far away from the first driving roller set (22), and the first squeeze film roller set (24) and the second squeeze film roller set (25) are on the same horizontal line.
3. The apparatus for preparing a film for a bread packing bag having a see-through window according to claim 2, wherein the first squeeze film roll set (24) comprises an adjusting roll assembly (241) and a lower squeeze roll (242) at a lower end of the adjusting roll assembly (241), both ends of the lower squeeze roll (242) are movably linked with an inner side of the supporting vertical plate (21), both ends of one side of the adjusting roll assembly (241) and the squeeze roll (242) are provided with the frictioning assemblies (243), and the frictioning assemblies (243) are provided in a set at inner sides of the two supporting vertical plates (21).
4. The apparatus for preparing a film for a bread packing bag having a see-through window according to claim 3, wherein the adjusting roller assembly (241) comprises an upper squeeze roller (2411) and a coupling member (2412) movably provided at both ends of the upper squeeze roller (2411), the upper end of the coupling member (2412) is provided with a squeeze spring (2413), and the upper end of the squeeze spring (2413) is fixedly connected to the supporting vertical plate (21).
5. The apparatus for preparing a film for a bread packing bag having a see-through window according to claim 4, wherein the doctor assembly (243) comprises a connecting threaded pipe (2431) and a collar (2432) provided at one end of the connecting threaded pipe (2431), the connecting threaded pipe (2431) is threadably connected to the supporting vertical plate (21), a connecting block (2433) is provided at an end of the collar (2432) remote from the connecting threaded pipe (2431), an upper doctor blade (2434) is provided at an upper end of the connecting block (2433) remote from the collar (2432), the upper doctor blade (2434) is matched with the upper squeeze roller (2411), a lower doctor blade (2435) is provided at a lower end of one side of the connecting block (2433), and the lower doctor blade (2435) is matched with the lower squeeze roller (242).
6. The apparatus for preparing a film for a bread packing bag having a see-through window according to claim 1, wherein the transparent film coating module (52) comprises a glue storage box (51) and an applicator roll (522) movably disposed inside the glue storage box (51), a lower half section of the applicator roll (522) is immersed in the glue, and a uniform roll (523) is disposed inside the glue storage box (51) for uniformly rolling the glue absorbed by the applicator roll (522) from the glue storage box (51) on the applicator roll (522).
7. The apparatus for preparing a film for a bread packing bag with a see-through window according to claim 6, wherein the auxiliary glue applying assembly (55) comprises a supporting block (551) and an auxiliary rolling post (552) provided at an end of the supporting block (551) far from the glue guide tube (53), the auxiliary rolling post (552) starts to have a groove (5521), and the diameter of the glue applying roller (522) is the same as that of the auxiliary rolling post (552) and is also provided with the groove (5521).
8. The apparatus for preparing a film for a bread packing bag having a see-through window according to claim 7, wherein the opaque film coating module (54) comprises a mounting box (541) and a supporting roller (542) disposed inside the mounting box (541), an absorption sleeve (543) is sleeved outside the supporting roller (542), a lower end of the absorption sleeve (543) is attached to a lower coating roller (544) disposed on the mounting box (541), and the lower coating roller (544) slightly presses the absorption sleeve (543) to facilitate surface adhesion of the lower coating roller (544).
9. The apparatus for preparing a film for a bread packing bag having a see-through window according to claim 8, wherein a lower auxiliary pressing member (553) is provided at a lower end of a middle portion of the supporting block (551), the lower auxiliary pressing member (553) includes a guide member (5531) and a lower auxiliary member (5532) provided at a lower end of the guide member (5531), the guide member (5531) is communicated with a lower half portion of the supporting block (551) so that the glue in the guide tube (53) flows into the lower auxiliary member (5532), and the lower auxiliary member (5532) has the same inner composition structure as the opaque film coating unit (54).
10. A drawing method of a film for a bread packing bag with a see-through window according to any one of claims 1 to 9, comprising the steps of:
s1: when film pressing is started, the upper squeeze roller (2411) is manually shifted upwards, and the composite film passes through;
s2: when the transparent film (4) rolls from the coating roller (522), glue on the surface layer of the coating roller (522) is coated on the surface of the transparent film (4) in a rolling way and rolls to the groove (5521), the transparent film (4) has the same area as that of the visible hole (31) and is not coated with the glue, when the transparent film (4) passes over from the upper end of the second transmission roller group (23) to the first film pressing roller group (24), the transparent film is uniformly coated by the auxiliary rolling column (552) for the second time, and the non-coated position just corresponds to the groove (5521) of the auxiliary rolling column (552) so as to be coated for the second time;
meanwhile, when the opaque film (3) rolls from the lower glue spreader (544), the lower glue spreader (544) spreads the glue adsorbed by the adsorption sleeve (543) on the opaque film (3) and further spreads the glue with the transparent film (4) at the same time, and when the opaque film (3) crosses the first film pressing roller set (24) from the lower end of the second transmission roller set (23), the second uniform spreading is performed by the lower glue spreader (544) of the lower auxiliary part (5532);
s3: the transparent film (3) and the transparent film (4) which are coated with the glue are extruded and glued by a lower extrusion roller (242) and an upper extrusion roller (2411) and penetrate through a dryer (6);
meanwhile, as the upper extrusion roller (2411) and the lower extrusion roller (242) extrude the connection of the two films, a small amount of glue between the two films is extruded from two sides, and along with the accumulation of the extrusion amount, when the glue is rotated to the knife edge of the upper glue scraping knife (2434) and the knife edge of the lower glue scraping knife (2435), the glue is scraped by the upper glue scraping knife (2434) and the lower glue scraping knife (2435).
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| CN202210075340.5A CN114368155B (en) | 2022-01-22 | 2022-01-22 | Preparation device and preparation process of bread packaging bag film with perspective window |
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| CN202210075340.5A CN114368155B (en) | 2022-01-22 | 2022-01-22 | Preparation device and preparation process of bread packaging bag film with perspective window |
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| CN114368155B CN114368155B (en) | 2024-03-22 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110901085A (en) * | 2019-11-27 | 2020-03-24 | 重庆富美包装印务有限公司 | Packaging bag solvent-free composite system |
| CN213137813U (en) * | 2020-09-11 | 2021-05-07 | 厦门键升印刷有限公司 | Film sticking mechanism for printing die-cutting machine |
| CN213501341U (en) * | 2020-05-13 | 2021-06-22 | 嘉兴市金泰喷织有限公司 | Polyester fabric compounding device |
| CN113119483A (en) * | 2021-04-21 | 2021-07-16 | 璧靛钩 | Bonding method of silicon rubber product |
| CN113878969A (en) * | 2021-10-08 | 2022-01-04 | 深圳市云合谷科技有限公司 | Protective film curing forming method |
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2022
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110901085A (en) * | 2019-11-27 | 2020-03-24 | 重庆富美包装印务有限公司 | Packaging bag solvent-free composite system |
| CN213501341U (en) * | 2020-05-13 | 2021-06-22 | 嘉兴市金泰喷织有限公司 | Polyester fabric compounding device |
| CN213137813U (en) * | 2020-09-11 | 2021-05-07 | 厦门键升印刷有限公司 | Film sticking mechanism for printing die-cutting machine |
| CN113119483A (en) * | 2021-04-21 | 2021-07-16 | 璧靛钩 | Bonding method of silicon rubber product |
| CN113878969A (en) * | 2021-10-08 | 2022-01-04 | 深圳市云合谷科技有限公司 | Protective film curing forming method |
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