CN114472061B - High-temperature steaming-resistant aluminum-plastic box cover film and preparation process and device thereof - Google Patents

High-temperature steaming-resistant aluminum-plastic box cover film and preparation process and device thereof Download PDF

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Publication number
CN114472061B
CN114472061B CN202210127942.0A CN202210127942A CN114472061B CN 114472061 B CN114472061 B CN 114472061B CN 202210127942 A CN202210127942 A CN 202210127942A CN 114472061 B CN114472061 B CN 114472061B
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CN
China
Prior art keywords
mounting
coating roller
groove
cavity
coating
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CN202210127942.0A
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Chinese (zh)
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CN114472061A (en
Inventor
杜宗衡
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jinhua Hengyu Packaging Co ltd
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Jinhua Hengyu Packaging Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
    • B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
    • B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
    • B05C1/0826—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being a web or sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
    • 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
    • B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
    • B29C63/0004—Component parts, details or accessories; Auxiliary operations
    • 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
    • B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
    • B29C63/02—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/10—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B29/00—Layered products comprising a layer of paper or cardboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/306—Resistant to heat

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Coating Apparatus (AREA)

Abstract

The invention relates to the technical field of aluminum-plastic boxes, in particular to a high-temperature steaming-resistant aluminum-plastic box cover film and a preparation process and a device thereof. The composite film prepared by compounding the composite film on the aluminum-plastic box cover has better high-temperature resistance by utilizing the high-temperature resistance of the PET material, so that the aluminum-plastic box cover has better high-temperature resistance and steaming resistance, and the aluminum-plastic box cover is convenient to use.

Description

High-temperature steaming-resistant aluminum-plastic box cover film and preparation process and device thereof
Technical Field
The invention relates to the technical field of aluminum-plastic boxes, in particular to a high-temperature steaming-resistant aluminum-plastic box cover film and a preparation process and device thereof.
Background
At present, food such as luncheon meat, cooked dishes and soup is usually placed in an aluminum-plastic box, and the opening of the aluminum-plastic box is sealed by using a box cover. The existing aluminum-plastic box food generally needs to be cooked and heated before being eaten, so that the existing box cover needs to have better cooking resistance.
Disclosure of Invention
Aiming at certain defect or defects in the prior art, the invention provides a high-temperature steaming-resistant aluminum-plastic box cover film and a preparation process and a device thereof.
In order to solve the above technical problems, the present invention is solved by the following technical solutions.
The high-temperature boiling-resistant aluminum-plastic box cover film comprises a paper film layer, and PET layers are bonded on two sides of the paper film layer.
The aluminum-plastic box cover film disclosed by the invention has the advantage that the composite film prepared by compounding has better high-temperature resistance by utilizing the high-temperature resistance of the PET material.
A preparation process of a high-temperature steaming-resistant aluminum-plastic box cover film comprises the following steps:
s1, coating glue on one side surface of a paper film layer, compounding the glue with a PET layer, and curing for 3 to 5 days;
s2, coating glue on the other surface of the paper film layer, compounding the glue with the PET layer, and curing for 3 to 5 days to obtain a composite film;
s3, cutting the composite film prepared in the S2 into a shape required by an aluminum-plastic box cover;
and S4, compounding the composite film in the step S3 on an aluminum-plastic box cover.
Through the preparation process, the composite film is preferably prepared, and the composite film is compounded on the aluminum-plastic box cover, so that the prepared aluminum-plastic box cover has better high-temperature resistance and boiling resistance, and is convenient to use.
The invention also provides a coating device which is used for coating the glue on the two sides of the paper film layer.
In the invention, the coating device comprises a cuboid cabinet body, wherein an installation cavity with an upward opening is arranged in the cabinet body; a rubber cylinder with an arc-shaped section and used for containing glue solution is arranged in the mounting cavity along the length direction of the cabinet body, and an opening of the rubber cylinder extends outwards to form a mounting part which is flush with the opening of the mounting cavity; a rotatable coating roller is arranged in the rubber cylinder, and scraping plates for scraping the inner wall of the rubber cylinder are uniformly distributed on the peripheral side surface of the coating roller along the axial direction of the coating roller; a lifting installation mechanism is arranged above the cabinet body, and a compression roller matched with the coating roller is arranged on the installation mechanism.
The installation mechanism drives the compression roller to move upwards, so that the scraper is installed on the peripheral side surface of the coating roller, and the scraper sweeps the inner wall of the rubber cylinder along with the rotation of the coating roller, so that the rubber solution attached to the scraper is removed, and the rubber cylinder is convenient to clean.
Preferably, the two end parts of the rubber cylinder are provided with rotating holes which are coaxially arranged with the rubber cylinder; two ends of the coating roller are provided with rotating shafts extending out of the corresponding rotating holes; a cavity is arranged in the coating roll along the axial direction of the coating roll, 4 telescopic grooves are uniformly distributed on the side wall of the cavity along the radial direction of the coating roll, the telescopic grooves are all communicated with the end part of the coating roll, and spring mounting grooves are arranged on the side wall of each telescopic groove along the radial direction of the coating roll; the scraper blade can be arranged in the telescopic groove in a sliding manner, two end parts of the scraper blade extend out of the end part of the coating roller, the scraper blade is provided with a push plate extending into a corresponding spring mounting groove, and a spring for pushing the push plate to drive the scraper blade to retract into the telescopic groove is arranged in the spring mounting groove; the scraper blade is 4, and 4 scraper blades all are equipped with the mounting groove in the tip that is located the coating roll, are equipped with in the mounting groove to be used for driving the actuating mechanism that the scraper blade stretches out the telescopic slot.
Through the structure of the invention, the scraper can extend out of the telescopic groove through the driving mechanism to be attached to the inner wall of the rubber cylinder, so that the coating roller rotates to drive the scraper to scrape and sweep the inner wall of the rubber cylinder, and meanwhile, the spring pushes the push plate to drive the scraper to retract into the telescopic groove, so that the coating roller can coat a paper film.
Preferably, a mounting hole communicated with the cavity is formed in the rotating shaft; the driving mechanism comprises a push rod which is slidably arranged in the cavity, one end of the push rod extends out of the mounting hole, the end part of the push rod is provided with a push block positioned in the corresponding mounting groove, and the push block is provided with a first inclined plane; a second inclined plane which is matched with the first inclined plane and drives the corresponding scraper to extend out of the telescopic groove is arranged in the mounting groove; and a driving piece for driving the ejector rod to move along the mounting hole is arranged in the mounting cavity.
Through the structure of the invention, the ejector rod can move in the mounting hole to drive the scraper blade to extend out of the telescopic groove better, and the distance of the scraper blade extending out of the mounting groove is controlled through the moving distance of the ejector rod, so that the scraper blade can perform scraping and sweeping on the rubber cylinder and has a function of stirring the glue solution in the rubber cylinder.
Preferably, sliding grooves with T-shaped sections are oppositely arranged on the opposite side surfaces of the mounting cavity along the vertical direction; the driving piece comprises an ejector block sliding along the sliding groove, a sliding block located in the sliding groove and sliding is arranged on the ejector block, a third inclined plane used for driving the ejector rod to move into the mounting hole is arranged on the ejector block, and a first air cylinder used for driving the ejector block to lift is arranged on the bottom wall of the mounting cavity.
Through the structure of the scraper blade, the first cylinder drives the ejector rod to extend into the cavity for different distances, the extending distance of the scraper blade is preferably controlled, and the working state of the scraper blade can be conveniently switched.
As preferred, the coating roll includes four even arc posts, forms flexible groove between adjacent arc post, spring mounting groove locate on the arc post that corresponds, the tip of arc post is equipped with the recess, is equipped with the screw hole on the diapire of recess, the tip of axis of rotation is equipped with the flange that is located corresponding recess, is equipped with the bolt that stretches into in the corresponding screw hole on the flange.
With the configuration in the present invention, the assembly of the coating roller is preferably achieved.
Preferably, the 2 scrapers which are opposite to each other in the 4 scrapers are provided with leakage grooves at intervals; the mounting grooves at the two ends of the coating roll are mutually vertically arranged.
Through the structure of the invention, the driving mechanisms at the two ends of the coating roller can respectively drive the corresponding scrapers to extend out of the telescopic grooves, so that the first cylinders at the two ends of the rubber cylinder respectively drive different scrapers to extend out, and the scrapers can be conveniently switched between cleaning and stirring.
Preferably, the baffle plates are arranged at intervals corresponding to the leaking grooves at the opening parts of the telescopic grooves of the arc-shaped columns, and the opening parts of the telescopic grooves are preferably plugged, so that the coating operation of the coating roller is facilitated.
Preferably, the mounting mechanism comprises a correspondingly arranged mounting seat, and the pressing roller is rotatably arranged on the mounting seat; be equipped with the through-hole on the installation department, be equipped with on the mount pad and pass the push rod that corresponds the through-hole and stretch into the installation intracavity, be equipped with the second cylinder that is used for promoting the push rod lift on the diapire of installation chamber.
Through the structure of the invention, the second cylinder drives the compression roller to lift, so that the coating roller has a certain space, and the scraper on the coating roller can conveniently extend out.
Drawings
FIG. 1 is a schematic view of a high temperature retort resistant plastic-aluminum lid film of example 1;
FIG. 2 is a schematic view of a coating apparatus in example 1;
FIG. 3 is a schematic cross-sectional view of a coating apparatus in example 1;
FIG. 4 is a schematic vertical sectional view of a coating apparatus in example 1;
FIG. 5 is a schematic half-section view of a rubber cylinder in example 1;
FIG. 6 is a schematic view of the coating roll in example 1;
FIG. 7 is a schematic view of a rotary shaft in embodiment 1;
FIG. 8 is a schematic view of a jack rod in embodiment 1;
FIG. 9 is a schematic view of a squeegee in embodiment 1;
fig. 10 is a schematic view showing the installation of the arc-shaped pole in embodiment 1.
Detailed Description
For a further understanding of the invention, reference should be made to the following detailed description taken in conjunction with the accompanying drawings and examples. It is to be understood that the examples are illustrative of the invention and not restrictive.
Example 1
As shown in fig. 1, the present embodiment provides a high temperature and boiling resistant plastic-aluminum box cover film, which comprises a paper film layer 101, and PET layers 102 adhered to two sides of the paper film layer 101.
In this embodiment, the composite film made by combining the PET layers 102 on the two sides of the paper film layer 101 has better high temperature resistance by using the high temperature resistance of the PET material, and the composite film is combined on the plastic-aluminum box cover in the prior art, so that the plastic-aluminum box cover has better high temperature resistance and steaming resistance, thereby facilitating the use of the plastic-aluminum box cover.
The embodiment also provides a preparation process of the high-temperature steaming-resistant aluminum-plastic box cover film, which comprises the following steps:
s1, coating glue on one side surface of a paper film layer 101, compounding the glue with a PET layer 102, and curing for 3-5 days;
s2, coating glue on the other surface of the paper film layer 101, compounding the glue with the PET layer 102, and curing for 3 to 5 days to obtain a composite film;
s3, cutting the composite film prepared in the S2 into a shape required by an aluminum-plastic box cover;
and S4, compounding the composite film in the step S3 on an aluminum-plastic box cover.
Through the process in the embodiment, the preparation of the composite film is preferably realized, and the composite film is compounded on the aluminum-plastic box cover, so that the prepared aluminum-plastic box cover has better high-temperature resistance and boiling resistance, and the use of the aluminum-plastic box cover is convenient.
As shown in fig. 2 to 10, the present embodiment provides a coating device, which is used for coating glue on two sides of the paper film layer 101.
In this embodiment, the coating device includes a rectangular cabinet 100, an installation cavity 211 with an upward opening is provided in the cabinet 100, a rubber cylinder 220 with an arc-shaped cross section and used for containing glue solution is provided in the installation cavity 211 along the length direction of the cabinet 100, the opening of the rubber cylinder 220 extends outward to form an installation part 221 flush with the opening of the installation cavity 211, and the installation part 221 is fixed in the installation cavity 211 by welding; a rotatable coating roller 110 is arranged in the rubber cylinder 220, and scrapers 230 for scraping the inner wall of the rubber cylinder 220 are uniformly distributed on the peripheral side surface of the coating roller 110 along the axial direction; a lifting installation mechanism 120 is arranged above the cabinet 100, and a pressing roller 121 matched with the coating roller 110 is arranged on the installation mechanism 120.
When the coating device in the embodiment is used, the paper film layer 101 passes through the space between the coating roller 110 and the pressing roller 121, the pressing roller 121 is used for enabling the paper film layer 101 to be attached to the coating roller 110, and glue is preferably coated on the paper film layer 101 because the coating roller 110 rotates in the rubber cylinder 220; through the structure in the embodiment, the installation mechanism 120 is lifted to drive the pressing roller 121 to move upwards, so that the scraper 230 can be installed on the peripheral side surface of the coating roller 110, the scraper sweeps the inner wall of the rubber cylinder 220 along with the rotation of the coating roller 110, the rubber solution attached to the scraper is removed, and the cleaning of the rubber cylinder 220 is facilitated.
In this embodiment, the two ends of the rubber cylinder 220 are provided with rotating holes 411 arranged coaxially therewith; both ends of the coating roller 110 are provided with rotating shafts 510 extending out of the corresponding rotating holes 411; a cavity 241 is arranged in the coating roller 110 along the axial direction, 4 telescopic grooves 242 are uniformly distributed on the side wall of the cavity 241 along the radial direction of the coating roller 110, the telescopic grooves 242 are all communicated with the end part of the coating roller 110, and a spring installation groove 243 is arranged on the side wall of the telescopic groove 242 along the radial direction of the coating roller 110; the scraper 230 can be slidably arranged in the telescopic groove 242, two end parts of the scraper 230 extend out of the end part of the coating roller 110, the scraper 230 is provided with a push plate 231 extending into a corresponding spring installation groove 243, and a spring 244 for pushing the push plate 231 to drive the scraper 230 to retract into the telescopic groove 242 is arranged in the spring installation groove 243; the number of the scrapers 230 is 4, the end parts of the 4 scrapers, which are located at the coating roller 110, are provided with mounting grooves 311, and a driving mechanism 310 for driving the scrapers 230 to extend out of the telescopic grooves 242 is arranged in the mounting grooves 311.
In this embodiment, the rubber tube 220 is welded and fixed by the mounting portion 221, so that a gap exists between two ends of the rubber tube 220 and the side wall of the mounting cavity 211, and the rotating shaft 510 penetrates through the corresponding rotating hole 411 and extends into the corresponding gap; in this embodiment, a driving motor is disposed on the bottom wall of the mounting cavity 211, and an output shaft of the driving motor is connected to the rotating shaft 510 extending out of the rotating hole 411 through a transmission belt, so as to preferably realize the rotation of the coating roller 110; in this embodiment, the coating roll 110 and the rubber cylinder 220 are coaxially arranged, and the end of the coating roll 110 is in close sliding fit with the inner wall of the rubber cylinder 220; through the structure in this embodiment, the driving mechanism 310 can make the scraper blade 230 extend out of the telescopic slot 242 and make it fit with the inner wall of the glue cylinder 220, and further make the coating roller 110 rotate to drive the scraper blade 230 to scrape and sweep the inner wall of the glue cylinder 220, and through the arrangement of the spring mounting slot 243, the spring 244 and the push plate 231, the spring 244 drives the push plate 231 to drive the scraper blade 230 to retract into the telescopic slot 242, so that the coating roller 110 can coat the paper film layer.
In this embodiment, the rotating shaft 510 has a mounting hole 611 communicating with the cavity 241; the driving mechanism 310 comprises a top rod 520 which is slidably arranged in the cavity 241 and one end of which extends out of the mounting hole 611, a first top block 711 which is positioned in the corresponding mounting groove 311 is arranged at the end part of the top rod 520, and a first inclined surface 712 is arranged on the first top block 711; a second inclined surface 811 which is matched with the first inclined surface 712 and drives the corresponding scraper 230 to extend out of the telescopic slot 242 is arranged in the mounting slot 311; a driving member for driving the push rod 520 to move along the mounting hole 611 is arranged in the mounting cavity 211.
Through the structure in this embodiment, make ejector pin 520 move to the in-process in the cavity 241, drive first kicking block 711 and remove and make first inclined plane 712 extrude second inclined plane 811, make it promote corresponding scraper blade 230 and stretch out flexible groove 242, when it promoted the inner wall that scraper blade 230 laminated packing element 220, make coating roll 110 rotate and drive scraper blade 230 and sweep the cleanness to packing element 220 inner wall, when it promoted scraper blade 230 part and stretch into packing element 220, make coating roll 110 rotate and can drive scraper blade 230 and stir the glue solution in packing element 220, be convenient for add the solvent of volatility loss in packing element 220, make it mix in the glue solution through the stirring, avoid the glue solution solidification to lead to coating roll 110 unable smooth rubber coating.
In this embodiment, the opposite side surfaces of the mounting cavity 211 are oppositely provided with sliding grooves 331 with T-shaped cross sections along the up-down direction; the driving piece comprises a second ejector block 340 sliding along the sliding groove 331, a sliding block sliding in the sliding groove 331 is arranged on the second ejector block 340, a third inclined surface 341 used for driving the ejector rod 520 to move into the mounting hole 611 is arranged on the second ejector block 340, and a first air cylinder 342 used for driving the second ejector block 340 to lift is arranged on the bottom wall of the mounting cavity 211.
In this embodiment, the sliding block and the sliding groove 331 are cooperatively arranged, so that the second ejector block 340 is slidably mounted at the sliding groove 331, and the first cylinder 342 drives the second ejector block 340 to move up and down, so that the third inclined surface 341 can preferably drive the ejector rod 520 to move into the cavity 241 during the process of moving up the second ejector block 340, thereby extending the scraper 230; in this embodiment, the first cylinder 342 drives the second ejector block 340 to rise to different heights, and the distance of the driving ejector rod 520 extending into the cavity 241 is different, so as to preferably control the length of the scraper 230 extending out of the telescopic slot 242, thereby facilitating the switching of the working state of the scraper 230.
In the embodiment, the coating roller 110 comprises four uniform arc-shaped columns 530, a telescopic groove 242 is formed between every two adjacent arc-shaped columns 530, the spring installation grooves 243 are arranged on the corresponding arc-shaped columns 530, the end parts of the arc-shaped columns 530 are provided with grooves 911, and the bottom walls of the grooves 911 are provided with threaded holes 912; the end of the rotating shaft 510 is provided with a flange 612 positioned in the corresponding groove 911, and the flange 612 is provided with bolts extending into the corresponding threaded holes 912.
In this embodiment, the coating roller 110 is formed by assembling 4 arc-shaped columns 530 in sequence, the flanges 612 at the ends of the rotating shafts 510 extend into the end grooves 911 of the coating roller 110, and bolts pass through the flanges 612 and extend into the corresponding threaded holes 912, so as to mount the arc-shaped columns 530 and the rotating shafts 510, and preferably, to assemble the coating roller 110; in this embodiment, the arc-shaped posts 530 form opposite side surfaces of the telescopic groove 242 and are located in the groove 911, and a limiting groove 911 and a limiting block 922 which are matched with each other are arranged along the radial direction of the coating roll 110, and the arc-shaped posts 530 are positioned during assembly through matching of the limiting groove 911 and the limiting block 922, so that the coating roll 110 is convenient to assemble.
In this embodiment, the 2 corresponding scrapers 230 are provided with the leakage grooves 821 at intervals, specifically, the 2 scrapers 230 opposite to each other among the 4 scrapers are provided with the leakage grooves 821 at intervals; the installation grooves 311 at both ends of the coating roller 110 are arranged perpendicular to each other.
Through the arrangement of the leakage groove 821 in the present embodiment, the scraper 230 preferably forms a stirring plate, so that the stirring effect of the scraper 230 is better; in this embodiment, the mounting grooves 311 at the two ends of the coating roller 110 are perpendicular to each other, so that the driving mechanisms 320 at the two ends of the coating roller 110 can respectively drive the corresponding scraper 230 to extend out of the telescopic groove 242, and the first cylinders 342 at the two ends of the rubber cylinder 220 respectively drive different scrapers 230 to extend out, thereby facilitating the scrapers 230 to switch between cleaning and stirring.
In this embodiment, the blocking pieces 913 are disposed at intervals corresponding to the leaking groove 821 and corresponding to the opening of the telescopic groove 242 of the arc-shaped pillar 530, and the blocking pieces 913 preferably block the opening of the telescopic groove 242 when the scraper 230 retracts into the telescopic groove 242, so as to facilitate the coating operation of the coating roller 110.
In this embodiment, the mounting mechanism 120 includes a corresponding mounting seat 122, and the pressure roller 121 is rotatably disposed on the mounting seat 122; the mounting portion 221 is provided with a through hole 412, the mounting base 122 is provided with a push rod 251 which penetrates through the corresponding through hole 412 and extends into the mounting cavity 211, and the bottom wall of the mounting cavity 211 is provided with a second cylinder 252 for pushing the push rod 251 to ascend and descend.
Through the structure in the embodiment, it is preferably realized that the second cylinder 252 drives the mounting mechanism 120 to drive the pressing roller 121 to lift and lower, so as to make it far away from the coating roller 110, so that a certain space is provided at the coating roller 110, and the scraper 230 on the coating roller 110 can conveniently extend out.
In summary, the above-mentioned embodiments are only preferred embodiments of the present invention, and all equivalent changes and modifications made in the claims of the present invention should be covered by the claims of the present invention.

Claims (7)

1. A coating apparatus, characterized by: comprises a cuboid cabinet body (100), wherein an installation cavity (211) with an upward opening is arranged in the cabinet body (100); a rubber cylinder (220) which has an arc-shaped cross section and is used for containing glue solution is arranged in the mounting cavity (211) along the length direction of the cabinet body (100), and an opening of the rubber cylinder (220) extends outwards to form a mounting part (221) which is flush with the opening of the mounting cavity (211); a rotatable coating roller (110) is arranged in the rubber cylinder (220), and scraping plates (230) for scraping the inner wall of the rubber cylinder (220) are uniformly distributed on the peripheral side surface of the coating roller (110) along the axial direction; a lifting installation mechanism (120) is arranged above the cabinet body (100), and a pressing roller (121) matched with the coating roller (110) is arranged on the installation mechanism (120); the two end parts of the rubber cylinder (220) are provided with rotating holes (411) which are coaxial with the rubber cylinder; two ends of the coating roller (110) are provided with rotating shafts (510) extending out of the corresponding rotating holes (411); a cavity (241) is arranged in the coating roller (110) along the axial direction of the coating roller, 4 telescopic grooves (242) are uniformly distributed on the side wall of the cavity (241) along the radial direction of the coating roller (110), the telescopic grooves (242) are communicated with the end part of the coating roller (110), and a spring mounting groove (243) is arranged on the side wall of each telescopic groove (242) along the radial direction of the coating roller (110); the scraper blade (230) can be slidably arranged in the telescopic groove (242), two end parts of the scraper blade (230) extend out of the end part of the coating roller (110) and are arranged, a push plate (231) extending into a corresponding spring mounting groove (243) is arranged on the scraper blade (230), and a spring (244) for pushing the push plate (231) to drive the scraper blade (230) to retract into the telescopic groove (242) is arranged in the spring mounting groove (243); the number of the scraping plates (230) is 4, the end parts of the 4 scraping plates, which are positioned on the coating roller (110), are provided with mounting grooves (311), and driving mechanisms (310) used for driving the scraping plates (230) to extend out of the telescopic grooves (242) are arranged in the mounting grooves (311).
2. A coating apparatus as claimed in claim 1, wherein: a mounting hole (611) communicated with the cavity (241) is formed in the rotating shaft (510); the driving mechanism (310) comprises a push rod (520) which is slidably arranged in the cavity (241) and one end of which extends out of the mounting hole (611), a first top block (711) which is positioned in the corresponding mounting groove (311) is arranged at the end part of the push rod (520), and a first inclined surface (712) is arranged on the first top block (711); a second inclined surface (811) which is matched with the first inclined surface (712) and drives the corresponding scraper blade (230) to extend out of the telescopic groove (242) is arranged in the mounting groove (311); a driving piece for driving the push rod (520) to move along the mounting hole (611) is arranged in the mounting cavity (211).
3. A coating apparatus as claimed in claim 2, wherein: sliding grooves (331) with T-shaped sections are oppositely arranged on the opposite side surfaces of the mounting cavity (211) along the vertical direction; the driving piece comprises a second ejector block (340) sliding along the sliding groove (331), a sliding block located in the sliding groove (331) and sliding is arranged on the second ejector block (340), a third inclined surface (341) used for driving the ejector rod (520) to move into the mounting hole (611) is arranged on the second ejector block (340), and a first air cylinder (342) used for driving the second ejector block (340) to lift is arranged on the bottom wall of the mounting cavity (211).
4. A coating apparatus as claimed in claim 1, wherein: coating roller (110) include four even arc post (530), form flexible groove (242) between adjacent arc post (530), spring mounting groove (243) locate on corresponding arc post (530), the tip of arc post (530) is equipped with recess (911), is equipped with screw hole (912) on the diapire of recess (911), the tip of axis of rotation (510) is equipped with flange (612) that are located corresponding recess (911), is equipped with the bolt that stretches into in corresponding screw hole (912) on flange (612).
5. A coating apparatus as claimed in claim 2, wherein: the 2 scrapers (230) which are opposite to each other in the 4 scrapers are provided with drain grooves (821) at intervals; the mounting grooves (311) at the two ends of the coating roller (110) are arranged in a mutually perpendicular mode, so that the driving mechanisms (310) at the two ends of the coating roller (110) can respectively drive the corresponding scraper blades (230) to extend out of the telescopic grooves (242), the first air cylinders (342) at the two ends of the rubber cylinder (220) can respectively drive different scraper blades (230) to extend out, and cleaning and stirring switching of the scraper blades (230) is facilitated.
6. A coating apparatus as claimed in claim 5, wherein: blocking pieces (913) are arranged at intervals corresponding to the leakage grooves (821) at the opening of the telescopic groove (242) corresponding to the arc-shaped column (530).
7. A coating apparatus as claimed in claim 1, wherein: the mounting mechanism (120) comprises a mounting seat (122) which is correspondingly arranged, and the pressing roller (121) is rotatably arranged on the mounting seat (122); the mounting portion (221) is provided with a through hole (412), the mounting base (122) is provided with a push rod (251) which penetrates through the corresponding through hole (412) and extends into the mounting cavity (211), and the bottom wall of the mounting cavity (211) is provided with a second air cylinder (252) used for pushing the push rod (251) to lift.
CN202210127942.0A 2022-02-11 2022-02-11 High-temperature steaming-resistant aluminum-plastic box cover film and preparation process and device thereof Active CN114472061B (en)

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GB527071A (en) * 1938-05-19 1940-10-01 American Can Co Improvements in a machine for applying adhesive to web material
JP2003211055A (en) * 2001-11-19 2003-07-29 Murata Mfg Co Ltd Paste coater
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CN109530148A (en) * 2018-11-23 2019-03-29 磐安县宸熙工艺品有限公司 Production line for indigo printing fabric processing
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CN110813638A (en) * 2019-11-19 2020-02-21 利辛县雨果家居有限公司 Gluing device for textiles
CN113019801A (en) * 2021-04-25 2021-06-25 浙江蓝也薄膜有限公司 High-barrier film online coating device and process
CN113182114A (en) * 2021-04-14 2021-07-30 杭州塑料工业有限公司 Adhesive production equipment and production process of PET composite packaging material
CN215030703U (en) * 2021-03-12 2021-12-07 苏州怡特欧新材料科技有限公司 Coating machine convenient to clearance

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JP2003211055A (en) * 2001-11-19 2003-07-29 Murata Mfg Co Ltd Paste coater
CN207823302U (en) * 2017-11-03 2018-09-07 佛山市矽特机械有限公司 A kind of efficient cardboard gluing machine convenient for cleaning
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CN110813638A (en) * 2019-11-19 2020-02-21 利辛县雨果家居有限公司 Gluing device for textiles
CN215030703U (en) * 2021-03-12 2021-12-07 苏州怡特欧新材料科技有限公司 Coating machine convenient to clearance
CN113182114A (en) * 2021-04-14 2021-07-30 杭州塑料工业有限公司 Adhesive production equipment and production process of PET composite packaging material
CN113019801A (en) * 2021-04-25 2021-06-25 浙江蓝也薄膜有限公司 High-barrier film online coating device and process

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