CN110978647B - Carton and production line thereof - Google Patents
Carton and production line thereof Download PDFInfo
- Publication number
- CN110978647B CN110978647B CN201911229241.2A CN201911229241A CN110978647B CN 110978647 B CN110978647 B CN 110978647B CN 201911229241 A CN201911229241 A CN 201911229241A CN 110978647 B CN110978647 B CN 110978647B
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- Prior art keywords
- glue injection
- fixed
- glue
- roller
- corrugated
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- 238000004519 manufacturing process Methods 0.000 title claims description 14
- 239000010410 layer Substances 0.000 claims abstract description 89
- 239000011241 protective layer Substances 0.000 claims abstract description 23
- 239000004033 plastic Substances 0.000 claims abstract description 6
- 239000003292 glue Substances 0.000 claims description 214
- 238000002347 injection Methods 0.000 claims description 153
- 239000007924 injection Substances 0.000 claims description 153
- 238000010030 laminating Methods 0.000 claims description 24
- 239000011087 paperboard Substances 0.000 claims description 19
- 238000005485 electric heating Methods 0.000 claims description 18
- 230000006835 compression Effects 0.000 claims description 12
- 238000007906 compression Methods 0.000 claims description 12
- 239000007888 film coating Substances 0.000 claims description 11
- 238000009501 film coating Methods 0.000 claims description 11
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 230000008014 freezing Effects 0.000 abstract description 13
- 238000007710 freezing Methods 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 9
- 238000009736 wetting Methods 0.000 abstract description 4
- 239000011248 coating agent Substances 0.000 description 21
- 238000000576 coating method Methods 0.000 description 21
- 239000011111 cardboard Substances 0.000 description 15
- 238000004891 communication Methods 0.000 description 12
- 239000000123 paper Substances 0.000 description 11
- 239000000463 material Substances 0.000 description 7
- 230000001360 synchronised effect Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 230000000149 penetrating effect Effects 0.000 description 4
- 230000003068 static effect Effects 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 3
- 235000013611 frozen food Nutrition 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 210000002489 tectorial membrane Anatomy 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000036314 physical performance Effects 0.000 description 1
- 238000013441 quality evaluation Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
Images
Classifications
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- 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
- B32B37/1284—Application of adhesive
-
- 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
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
-
- 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
- B32B29/002—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B29/005—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material next to another layer of paper or cardboard layer
-
- 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
- B32B29/08—Corrugated 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
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
- B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
- B65D65/38—Packaging materials of special type or form
- B65D65/40—Applications of laminates for particular packaging purposes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cartons (AREA)
Abstract
The invention relates to a carton, which comprises a corrugated case body, wherein the corrugated case body comprises a case board, the case board is sequentially provided with a corrugated board, a waterproof layer and a protective layer from the outside to the inside of the corrugated case body, and the corrugated board is sequentially provided with a first board, a corrugated layer and a second board which are mutually bonded and fixed from the outside to the inside of the corrugated case body; the waterproof layer and the protective layer are both made of pvc plastic, and the thickness of the protective layer is only one third of that of the waterproof layer. The carton has the internal waterproof effect, prevents the freezing articles from wetting the carton body to reduce the structural strength of the carton body, and is suitable for transportation of the freezing articles.
Description
Technical Field
The invention relates to the technical field of carton production, in particular to a carton and a production line thereof.
Background
The paper box is the most widely used packing product, and has various specifications and models, such as corrugated paper boxes, single-layer cardboard boxes and the like according to different materials. The packaging carton is an indispensable part of modern logistics, and bears important responsibilities of containing, protecting products and beautifying, and the physical performance index of the packaging carton becomes the basis of quality evaluation. In transporting articles, such as frozen food, if transported for an extended period of time, the articles, such as frozen food, may melt to produce moisture, resulting in wetting of the interior walls of the container in which the articles are stored. Generally, a plastic box is used as a box body for storing frozen food, but the plastic box has a larger mass and is inconvenient to carry compared with a carton, and the plastic box generates more noise in the transportation process than the carton. However, most of the existing cartons lack of waterproof function, and the structural strength of the carton body of the carton is reduced after the article wets the carton body, so that the carton body is damaged. There is a need for a carton with internal water resistance.
Disclosure of Invention
In view of the disadvantages of the prior art, it is an object of the present invention to provide a carton and a production line thereof, which have an internal waterproof effect, prevent the freezing articles from wetting the carton body and reducing the structural strength of the carton body, and are suitable for transportation of the freezing articles.
The above object of the present invention is achieved by the following technical solutions:
a carton comprises a corrugated case body, wherein the corrugated case body comprises a case board, the case board is sequentially provided with a corrugated board, a waterproof layer and a protective layer from the outside to the inside of the corrugated case body, and the corrugated board is sequentially provided with a first board, a corrugated layer and a second board which are mutually bonded and fixed from the outside to the inside of the corrugated case body; the waterproof layer and the protective layer are both made of pvc plastic, and the thickness of the protective layer is only one third of that of the waterproof layer.
Through adopting above-mentioned technical scheme, be equipped with waterproof layer and inoxidizing coating on the surface in the cardboard is close to the corrugated box, the waterproof layer is made by the pvc material, water proof has, thereby make the corrugated box inner wall have waterproof performance, compare with traditional carton, the effect that prevents freezing class article and melt and moist corrugated container board has, thereby the structural strength of corrugated box has been guaranteed, prevent that the corrugated box from damaging in handling after moist, be applicable to the transportation of freezing class article, and inoxidizing coating and waterproof layer are made by the pvc material, the leakproofness is good, the separation has the internal and external air heat exchange of corrugated container, be favorable to keeping the temperature in the corrugated box, the storage time of freezing article has been prolonged.
The present invention in a preferred example may be further configured to: the waterproof layer is close to the surface of inoxidizing coating has seted up the injecting glue groove, the injecting glue groove keep away from on the inner wall of inoxidizing coating set up with the injecting glue hole of second cardboard intercommunication, the injecting glue groove with the injecting glue is downthehole all to be equipped with fixed glue, fixed glue gets into the second cardboard with clearance between the flute layer forms the enhancement gluey ball.
Through adopting above-mentioned technical scheme, the fixed glue in injecting glue groove is fixed with the inoxidizing coating, it is fixed to make inoxidizing coating and waterproof layer paste, the downthehole fixed glue of injecting glue is fixed with second cardboard and waterproof layer respectively, thereby it is fixed to make waterproof layer and second cardboard paste, in addition, fixed glue pours into between second cardboard and the flute layer into, the bonding between flute layer and the second cardboard has not only been strengthened, the separation of downthehole fixed glue of injecting glue and injecting glue hole has been restricted to the enhancement glueballs of its formation, prevent that waterproof layer and second cardboard from breaking away from, make waterproof layer and corrugated container board bond firmly.
Aiming at the defects in the prior art, the invention also aims to provide a production line of the carton, which has the functions of processing the waterproof layer and the protective layer on the corrugated board, is formed in one step and has high processing efficiency.
A production line of cartons comprises a rack which is horizontal in the length direction, wherein the rack is internally provided with two feeding rollers, two film covering sleeves, a glue injection device and a film covering device, the feeding rollers, the film covering sleeves, the glue injection device and the film covering device are sequentially arranged along the length direction of the rack, the glue injection device is used for forming glue injection holes and glue injection grooves on a waterproof layer and injecting fixing glue, and the film covering device is used for adhering a protective layer on the waterproof layer; the laminated sleeve is characterized in that the upper side edge and the lower side edge of the opening, close to the feeding roller, of the laminated sleeve are bent towards the upper side and the lower side respectively, the opening layer of the laminated sleeve is rectangular, and the distance between the inner top surface and the inner bottom surface of the laminated sleeve is the sum of the thicknesses of the corrugated board and the waterproof layer.
Through adopting above-mentioned technical scheme, when processing waterproof layer and inoxidizing coating, corrugated container board moves on lower feed roller, the waterproof layer walks around higher feed roller laminating corrugated container board upper surface and gets into in the tectorial membrane cover, thereby make corrugated container board cover the waterproof layer, then the injecting glue device sets up glue filling hole and glue filling groove and fixed glue of injection on the waterproof layer, then the tectorial membrane device is laminated the inoxidizing coating on the waterproof layer, make inoxidizing coating and waterproof layer paste fixedly, thereby once bond fixed waterproof layer and inoxidizing coating on corrugated container board, machining efficiency is high.
The present invention in a preferred example may be further configured to: the frame is also internally provided with a conveying belt arranged on the lower side of the glue injection device, the conveying belt comprises a driving roller, a driven roller and a conveying belt, the driving roller and the driven roller are rotationally connected into the frame, and the driving roller and the driven roller are arranged along the length direction of the frame body from the film coating device to the film coating sleeve; the two ends of the conveying belt are respectively sleeved on the driving roller and the driven roller, and the conveying belt is respectively attached to and tightly abutted against the roller surface of the driving roller and the roller surface of the driven roller; the laminating device comprises a laminating roller which is arranged on the upper side of the driving roller and is rotationally connected with the frame, the rotating speed of the laminating roller is the same as that of the driving roller, and the turning direction of the laminating roller is opposite to that of the driving roller.
Through adopting above-mentioned technical scheme, when corrugated container board and the waterproof layer of laminating on corrugated container board removed to the conveyer belt on, the injecting glue device was seted up glue-injection hole and glue-injection groove and was injected fixed glue on the waterproof layer, then corrugated container board and waterproof layer move towards the laminating roller in step, and here simultaneously, the bottom roll surface of laminating roller is walked around to the inoxidizing coating to make the inoxidizing coating laminating on the waterproof layer, and the waterproof layer bonds fixedly through the fixed glue of glue-injection inslot with the inoxidizing coating.
The present invention in a preferred example may be further configured to: the film covering device further comprises a first synchronous gear and a second synchronous gear, the first synchronous gear is sleeved on the end portion of the film covering roller and fixed with the end portion of the film covering roller, the second synchronous gear is sleeved on the end portion of the driving roller and fixed with the end portion of the driving roller, the first synchronous gear and the second synchronous gear are identical in structure and meshed with each other, and the diameter of the film covering roller is identical to that of the driving roller; and a driving motor is fixed on the frame, and an output shaft of the driving motor is fixed with the end part of the driving roller.
Through adopting above-mentioned technical scheme, when driving motor started, its output shaft rotated, had driven the drive roll and has rotated to make corrugated container board on the conveyer belt remove, meanwhile, first synchronizing gear and the meshing of second synchronizing gear rotate, thereby make drive roll and tectorial membrane roller synchronous rotation, be favorable to preventing skew when laminating between inoxidizing coating and the waterproof layer.
The present invention in a preferred example may be further configured to: the glue injection device comprises a glue injection box arranged on the upper side of the conveyor belt, a hollow plate in sliding fit with the inner side wall of the glue injection box, a fixed long plate fixed in the rack, an electric push cylinder fixed on the fixed long plate and a glue injection needle cylinder arranged at the bottom of the glue injection box, wherein a piston rod of the electric push cylinder vertically penetrates through the hollow plate and is fixed with the inner bottom surface of the glue injection box; the opening of the glue injection needle cylinder is arranged upwards, the bottom surface of the glue injection needle cylinder is fixed with the inner bottom surface of the glue injection box, and a glue injection needle tube which vertically penetrates through the bottom surface of the glue injection box and is communicated with the inside of the glue injection needle cylinder is fixed on the bottom surface of the glue injection needle cylinder; a piston movably sealed with the inner wall of the glue injection needle cylinder is connected in the glue injection needle cylinder in a sliding manner, and a vertically arranged glue pushing rod is fixed between the piston and the bottom surface of the hollow plate; the hollow plate is internally stored with the fixed glue with constant pressure, a communicating pipe is connected between the bottom surface of the hollow plate and the outer side wall of the glue injection needle cylinder, and two ends of the communicating pipe are respectively communicated with the inside of the hollow plate and the inside of the glue injection needle cylinder; the hollow plate is matched with the fixed long plate in a sliding mode, the hollow plate is vertical to the sliding direction of the fixed long plate, and a compression spring is fixed between the bottom surface of the hollow plate and the inner bottom surface of the glue injection box.
By adopting the technical scheme, when the corrugated board is attached to the waterproof layer on the corrugated board and moves to the lower side of the glue injection box, the electric push cylinder drives the glue injection box to move downwards rapidly, so that the glue injection needle tube moves downwards and penetrates into the waterproof layer and the second paper board in sequence, meanwhile, the glue injection needle tube moves downwards along with the downward movement of the glue injection box, the hollow board is static under the action of inertia, the piston moves upwards relative to the glue injection needle tube to the upper side of the communication position of the communication pipe and the glue injection needle tube, so that negative pressure is formed in the glue injection needle tube, the fixing glue in the hollow board enters the glue injection needle tube through the communication pipe, the fixing glue in the glue injection needle tube is supplemented, then, along with the downward movement of the glue injection box, the compression spring extends gradually, the jacking action of the compression spring on the hollow board is reduced, the hollow board moves downwards under the action of the self gravity thereof, the glue injection rod and the piston move downwards, so that the fixing glue in the glue injection needle tube is injected between the second paper board and the corrugated layer, the hollow plate is static relative to the glue injection box under the action of inertia, the piston moves downwards relative to the glue injection needle cylinder, and the fixing glue is continuously injected from the glue injection needle tube in the process that the glue injection needle tube is separated from the waterproof layer, so that the fixing glue is arranged in the glue injection hole and the glue injection groove, and finally the compression spring pushes the hollow plate to move upwards until the hollow plate and the glue injection box are reset, so that the glue injection work between the waterproof layer and the corrugated board is completed.
The present invention in a preferred example may be further configured to: the glue injection needle tube is sleeved with an electric heating ring block, and an electric heating wire is embedded in the electric heating ring block.
By adopting the technical scheme, when the glue injection needle tube penetrates into the lower side of the second paper board, the bottom surface of the electric heating ring block compresses the upper surface of the waterproof layer, and meanwhile, the electric heating wire in the electric heating ring block is electrified, so that the electric heating ring block heats the upper surface of the waterproof layer to form the glue injection groove.
The present invention in a preferred example may be further configured to: a telescopic pipe and a telescopic rod are arranged between the fixed long plate and the hollow plate, the axis of the telescopic pipe and the axis of the telescopic rod are both vertically arranged, the lower end of the telescopic pipe is fixed with the upper surface of the hollow plate, the upper end of the telescopic rod is fixed with the bottom surface of the fixed long plate, and the lower end of the telescopic rod penetrates into an opening at the upper end of the telescopic pipe and is matched with the telescopic pipe in a sliding manner; the outer side wall of the telescopic pipe is provided with a vent hole communicated with the inside of the telescopic pipe, and the vent hole is formed in the bottom of the telescopic pipe.
Through adopting above-mentioned technical scheme, when the hollow plate removed, the flexible pipe fixed with it removed for the telescopic link to make the vertical lift of hollow plate, and when telescopic link and flexible pipe relative movement, the atmospheric pressure in the air vent balanced flexible pipe was passed through to the outside air, thereby slowed down the translation rate between telescopic link and the telescopic link, made the inertia of hollow plate obtain strengthening.
In summary, the invention includes at least one of the following beneficial technical effects:
the inner wall of the corrugated paper box body has waterproof performance, compared with the traditional paper box, the corrugated paper box body has the effect of preventing freezing articles from melting and wetting corrugated paper boards, so that the structural strength of the corrugated paper box body is ensured, the corrugated paper box body is prevented from being damaged in the carrying process after being wetted, the corrugated paper box body is suitable for transportation of the freezing articles, the protective layer and the waterproof layer are both made of pvc materials, the sealing performance is good, the heat exchange of air inside and outside the corrugated paper box body is blocked, the temperature in the corrugated paper box body is favorably kept, and the storage time of the freezing articles is prolonged;
when the waterproof layer and the protective layer are processed in the production line of the carton, the waterproof layer and the protective layer are bonded and fixed on the corrugated board at one time, and the processing efficiency is high;
the driving mode of the glue injection device is simple and convenient to control.
Drawings
Fig. 1 is a schematic view of the structure of a linerboard.
Fig. 2 is a schematic view of a production line for cartons.
Fig. 3 is an enlarged schematic view at a in fig. 2.
FIG. 4 is a schematic view of the structure of the film covering device.
Reference numerals: 01. corrugated board; 011. a first paperboard; 012. a corrugated layer; 013. a second paperboard; 02. a waterproof layer; 021. injecting glue groove; 022. injecting glue holes; 023. fixing glue; 024. reinforcing the rubber ball; 03. a protective layer; 1. a frame; 2. a feed roll; 3. covering a film sleeve; 4. a conveyor belt; 41. a drive roll; 42. a driven roller; 43. a conveyor belt; 5. a glue injection device; 51. injecting a glue box; 52. a hollow slab; 521. a compression spring; 522. a rubber delivery pipe; 53. fixing the long plate; 531. a telescopic pipe; 532. a telescopic rod; 54. an electric pushing cylinder; 55. a glue injection needle cylinder; 551. a piston; 552. pushing the rubber rod; 553. a communicating pipe; 56. injecting a glue needle tube; 561. an electric heating ring block; 61. a film laminating roller; 62. a first synchronizing gear; 63. a second synchronizing gear; 64. the motor is driven.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the carton disclosed by the invention comprises a corrugated case body, wherein the corrugated case body comprises a case board, and the case board is sequentially provided with a corrugated board 01, a waterproof layer 02 and a protective layer 03 from the outside to the inside of the corrugated case body. Corrugated container board 01 is current corrugated paper structure, and it is equipped with the fixed first cardboard 011, flute layer 012 and the second cardboard 013 of mutual bonding in proper order by corrugated container box external to interior. The waterproof layer 02 is made of pvc, and is arranged on one side of the second paper board 013 far away from the first paper board 011 and attached to the surface of the second paper board 013 far away from the first paper board 011, the surface of the waterproof layer 02 far away from the second paper board 013 is provided with a glue injection groove 021, an opening of the glue injection groove 021 is circular, and the glue injection groove 021 is uniformly arranged on the waterproof layer 02. The bottom surface in notes gluey groove 021 has seted up notes gluey hole 022, and the axis of notes gluey hole 022 and the coincidence of the axis of notes gluey groove 021, and the surface that the flute layer 012 was connected to notes gluey hole 022 and second cardboard 013 communicates. All be equipped with fixed glue 023 in notes glue groove 021 and the injecting glue hole 022, and fixed glue 023 forms in the clearance between second cardboard 013 and flute layer 012 and strengthens glueballs 024, it is spherical to strengthen glueballs 024, and strengthen glueballs 024 and be connected with fixed glue 023 in the injecting glue hole 022, thereby the separation of fixed glue 023 in injecting glue hole 022 and the injecting glue groove 021 has been restricted, in addition, it is fixed with flute layer 012 and second cardboard 013 bonding to strengthen glueballs 024, thereby the bonding between second cardboard 013 and flute layer 012 has been strengthened. The thickness of inoxidizing coating 03 is only one third of waterproof layer 02, and inoxidizing coating 03 is made by pvc material, and inoxidizing coating 03 laminating waterproof layer 02 sets up the surface that annotates the gluey groove 021 for fixed glue 023 in the gluey groove 021 is fixed with inoxidizing coating 03 surface bonding, thereby makes inoxidizing coating 03 and waterproof layer 02 bonding fixed, has sealed the opening of injecting glue groove 021, makes the inner wall of corrugated box more level and smooth. The surface that the carton board of this carton is close to in the corrugated box is equipped with waterproof layer 02 and inoxidizing coating 03, waterproof layer 02 is made by the pvc material, water proof has, thereby make the corrugated box inner wall have waterproof performance, compare with traditional carton, the effect that prevents freezing class article and melt and moist corrugated container board 01 has, thereby the structural strength of corrugated box has been guaranteed, prevent that the corrugated box from damaging in handling after moist, be applicable to the transportation of freezing class article, and inoxidizing coating 03 and waterproof layer 02 are made by the pvc material, the leakproofness is good, the internal and external air heat exchange of corrugated box has been obstructed, be favorable to keeping the temperature in the corrugated box, the storage time of freezing article has been prolonged.
Referring to fig. 2, a production line of cartons includes a frame 1, a feeding roller 2, a film covering sleeve 3, a conveying belt 4, a glue injection device 5 and a film covering device, wherein the cross section of the frame 1 is U-shaped, the length direction of the frame is horizontal, and the feeding roller 2, the film covering sleeve 3, the glue injection device 5 and the film covering device are all arranged in the frame 1 and are sequentially arranged along the length direction of the frame 1. The feeding roller 2 is in a shape of a round roller, the axis of the feeding roller is horizontal and vertical to the length direction of the rack 1, and two ends of the feeding roller 2 are respectively rotatably connected with the inner side walls of two sides of the rack 1. The two feeding rollers 2 are arranged, and the two feeding rollers 2 are vertically arranged. The film coating sleeve 3 is of a sleeve-shaped structure with a rectangular cross section, the opening end face of the film coating sleeve is parallel to the axis of the feeding roller 2, and the outer side walls of two sides of the film coating sleeve 3, which are perpendicular to the axis of the feeding roller 2, are fixed with the inner side walls of two sides of the rack 1 respectively. The upper side edge and the lower side edge of the opening of the film covering sleeve 3 close to the feeding roller 2 respectively extend upwards and downwards and are bent, and the distance between the inner top surface and the inner bottom surface of the film covering sleeve 3 is the sum of the thicknesses of the corrugated board 01 and the waterproof layer 02. The conveying belt 4 comprises a driving roller 41, a driven roller 42 and a conveying belt 43, the driving roller 41 and the driven roller 42 are both in a circular roller shape, two ends of the driving roller 41 are rotatably connected with the inner side walls of two sides of the rack 1, and two ends of the driven roller 42 are respectively rotated with the inner side walls of two sides of the rack 1. The driving roller 41 and the driven roller 42 are identical in structure, the driving roller 41 and the driven roller 42 are arranged in the direction from the film coating device to the film coating sleeve 3 along the length direction of the frame 1, and the axis of the driving roller 41 is equal to the axis of the driven roller 42 in height. The conveying belt 43 is a closed belt-shaped structure, two ends of the conveying belt 43 are respectively sleeved on the driving roller 41 and the driven roller 42, and the inner surface of the conveying belt 43 is respectively attached to and abutted against the roller surface of the driving roller 41 and the roller surface of the driven roller 42.
Referring to fig. 2, the glue injection device 5 includes a glue injection box 51, a hollow plate 52, a fixed long plate 53, an electric push cylinder 54, and a glue injection syringe 55. The glue injection box 51 is of a rectangular plate-shaped box body structure, the opening of the glue injection box 51 is arranged upwards, and the glue injection box 51 is horizontally arranged on the upper side of the upper surface of the conveyor belt 43. The hollow plate 52 is rectangular plate-shaped, and its inside is hollow, and hollow plate 52 level sets up in injecting glue box 51, and the lateral wall all around of hollow plate 52 and injecting glue box 51's lateral wall all around the cooperation that slides. As shown in fig. 3, a compression spring 521 is fixed between the bottom surface of the hollow plate 52 and the inner bottom surface of the glue injection box 51, an axis of the compression spring 521 is vertical, and upper and lower ends of the compression spring 521 are respectively connected with the bottom surface of the hollow plate 52 and the inner bottom surface of the glue injection box 51. And a rubber delivery pipe 522 is arranged on the hollow plate 52, the rubber delivery pipe 522 is in a circular pipe shape, one end of the rubber delivery pipe 522 is fixed on the upper surface of the hollow plate 52 and is communicated with the inside of the hollow plate 52, and the other end of the rubber delivery pipe 522 is communicated with a 023 source of constant-pressure fixed glue of a factory building, so that the 023 source of the constant-pressure fixed glue is filled in the hollow plate 52. The fixed long plate 53 is a rectangular long plate, the length direction of the fixed long plate is horizontal and vertical to the length direction of the rack 1, two ends of the fixed long plate 53 are respectively fixed with the inner side walls of two sides of the rack 1, and the plate surface of the fixed long plate 53 is horizontally arranged. The electric pushing cylinder 54 is an existing electric cylinder component, the electric pushing cylinder 54 is fixed at the center of the upper surface of the fixed long plate 53, the end of the piston 551 of the electric pushing cylinder 54 vertically penetrates through the centers of the upper surfaces of the fixed long plate 53 and the hollow plate 52 and is fixed with the inner bottom surface of the glue injection box 51, and in addition, the piston 551 of the electric pushing cylinder 54 penetrates through the hollow plate 52 and is not in contact with the inner part of the hollow plate 52. The glue injection syringe 55 is cylindrical, and has a vertical axis and an upward opening. The lower end of the glue injection needle tube 55 is fixed with the inner bottom surface of the glue injection box 51, the bottom of the glue injection needle tube is provided with a glue injection needle tube 56, the glue injection needle tube 56 is in a thin tube shape, the axis of the glue injection needle tube 56 is overlapped with the axis of the glue injection needle tube 55, the upper end of the glue injection needle tube 56 is fixed with the bottom surface of the glue injection needle tube 55 and is communicated with the inside of the glue injection needle tube 55, and the lower end of the glue injection needle tube 56 penetrates through the inner bottom surface of the glue injection box 51 and penetrates out of the bottom surface of the glue injection box 51. In addition, the glue injection needle tube 56 is sleeved with an electric heating ring block 561, the electric heating ring block 561 is a circular block-shaped structure, the inner side wall of the electric heating ring block 561 is fixed with the outer side wall of the glue injection needle tube 56, and an electric heating wire is embedded in the electric heating ring block 561. The glue injection needle cylinder 55 is internally provided with a piston 551 and a glue pushing rod 552, the piston 551 is in a round block shape, the axis of the piston 551 is overlapped with the axis of the glue injection needle cylinder 55, and the piston 551 is arranged in the glue injection needle cylinder 55 and is in sliding fit with the inner side wall of the glue injection needle cylinder 55 and is movably sealed. The glue pushing rod 552 is a thin rod, the cross section of the glue pushing rod 552 is circular, the axis of the glue pushing rod 552 is vertical, the lower end of the glue pushing rod 552 is fixed with the upper surface of the piston 551, and the upper end of the glue pushing rod 552 is fixed with the bottom surface of the hollow plate 52. A communication pipe 553 is arranged between the hollow plate 52 and the glue injection needle cylinder 55, the communication pipe 553 is in a shape of a circular pipe and is made of a hose, two ends of the communication pipe 553 are respectively fixed with the bottom surface of the hollow plate 52 and the outer side wall of the glue injection needle cylinder 55, the communication pipe 553 is respectively communicated with the inside of the glue injection needle cylinder 55 and the inside of the hollow plate 52, and in addition, the piston 551 is positioned on the upper side of a communication port of the communication pipe 553 and the glue injection needle cylinder 55 in an initial state. The glue injection syringes 55 are provided with a plurality of groups, and the plurality of groups of glue injection syringes 55 are uniformly distributed on the inner bottom surface of the glue injection box 51.
Referring to fig. 2, a telescopic tube 531 and a telescopic rod 532 are arranged between the fixed long plate 53 and the hollow plate 52, the telescopic tube 531 is in a circular tube shape, the axis of the telescopic tube 531 is vertical, and the lower end of the telescopic tube 531 is fixed on the upper surface of the hollow plate 52. The telescopic rod 532 is round bar shape, the axis is vertical, the upper end of the telescopic rod 532 is fixed with the bottom surface of the fixed long plate 53, and the lower end of the telescopic rod 532 penetrates into the opening at the upper end of the telescopic pipe 531 and is in sliding fit with the inner side wall of the telescopic pipe 531 and is movably sealed. The outer side wall of the extension tube 531 is provided with a vent hole, the opening of the vent hole is circular, and the vent hole is arranged at the bottom of the extension tube 531. The telescopic tubes 531 and the telescopic rods 532 are provided with a plurality of groups, and the groups of the telescopic tubes 531 and the telescopic rods 532 are uniformly distributed around the axis of the piston 551 of the electric push cylinder 54.
Referring to fig. 1 and 4, the film covering device includes a film covering roller 61, a first synchronizing gear 62, a second synchronizing gear 63 and a driving motor 64, the structure of the film covering roller 61 is identical to that of the driving roller 41, the film covering roller is disposed in the frame 1 and located on the upper side of the driving roller 41, two ends of the film covering roller 61 are rotatably connected to inner side walls of two sides of the frame 1, and the distance between the roller surface of the film covering roller 61 and the upper surface of the conveyor belt 43 is the sum of the thicknesses of the corrugated board 01, the waterproof layer 02 and the protective layer 03. The end part of the same side of the film coating roller 61 and the driving roller 41 penetrates out of the outer side wall of the frame 1, the first synchronizing gear 62 is sleeved on the end part of the film coating roller 61 penetrating out of the frame 1 and fixed with the end part, the second synchronizing gear 63 is sleeved on the end part of the driving roller 41 penetrating out of the frame 1 and fixed with the end part, the first synchronizing gear 62 and the second synchronizing gear 63 are consistent in structure, and the first synchronizing gear 62 and the second synchronizing gear 63 are meshed with each other. The driving motor 64 is fixed on the outer side wall of the frame 1 penetrating through the end part of the driving roller 41, the axis of the output shaft of the driving motor 64 is overlapped with the axis of the driving roller 41, and the output shaft of the driving motor 64 and the end part of the driving roller 41 penetrating through the frame 1 are fixed.
The implementation principle of the embodiment is as follows: when the driving motor 64 is started, the driving roller 41 rotates, so that the conveying belt 43 and the driven roller 42 rotate, the corrugated boards 01 on the conveying belt 43 move towards the laminating roller 61, the corrugated boards 01 on the lower feeding roller 2 are driven to pass through the laminating sleeve 3 and move towards the conveying belt 43, and meanwhile, the waterproof layer 02 bypasses the higher feeding roller 2 and enters the laminating sleeve 3, so that the waterproof layer 02 is attached to the upper surface of the corrugated boards 01; when the waterproof layer 02 and the corrugated board 01 move to the conveyor belt 43, the driving motor 64 stops, the electric pushing cylinder 54 starts, the glue injection box 51 is driven to move downwards rapidly, so that the lower end of the glue injection needle tube 56 moves downwards and penetrates into the waterproof layer 02 and the second paper board 013 in sequence, meanwhile, the glue injection needle tube 56 moves downwards along with the downward movement of the glue injection box 51, the hollow board 52 is relatively static under the inertia effect, the piston 551 moves upwards relative to the glue injection needle tube 55 and is positioned at the upper side of the communication position of the communication pipe 553 and the glue injection needle tube 55, so that negative pressure is formed in the glue injection needle tube 55, the fixed glue 023 in the hollow board 52 enters the glue injection needle tube 55 through the communication pipe 553, the fixed glue 023 in the glue injection needle tube 55 is supplemented, then, the compression spring 521 gradually extends along with the downward movement of the glue injection box 51, the pushing effect of the compression spring 521 on the hollow board 52 is reduced, and the hollow board 52 moves downwards under the action of the self gravity, the glue pushing rod 552 and the piston 551 are driven to move downwards, so that the fixed glue 023 in the glue injection needle cylinder 55 is injected between the second paper board 013 and the corrugated layer 012 through the glue injection needle tube 56 to form a reinforced glue ball 024, and meanwhile, the bottom surface of the electric heating ring 561 electrified by the electric heating wires presses the upper surface of the waterproof layer 02 to form a glue injection groove 021; then, the electric cylinder 54 drives the glue injection box 51 to move upwards, so that the glue injection needle tube 56 gradually separates from the waterproof layer 02, and a glue injection hole 022 is formed on the inner bottom surface of the glue injection groove 021, in the process, the hollow plate 52 is static relative to the glue injection box 51 under the inertia effect, so that the piston 551 moves downwards relative to the glue injection needle tube 55, so that the fixing glue 023 is continuously injected from the glue injection needle tube 56 in the process that the glue injection needle tube 56 separates from the waterproof layer 02, so that the fixing glue 023 is arranged in the glue injection hole 022 and the glue injection groove 021, and finally the compression spring 521 presses the hollow plate 52 to move upwards until the hollow plate 52 and the glue injection box 51 are reset, so that the glue injection work between the waterproof layer 02 and the corrugated board 01 is completed, and the driving mode of the glue injection device 5 is simple and convenient to control; finally, when the driving motor 64 is restarted to drive the driving roller 41 to rotate, at this time, the second synchronizing gear 63 and the first synchronizing gear 62 rotate to rotate the laminating roller 61, so that the protective layer 03 bypassing the roller surface at the bottom of the laminating roller 61 is attached to the surface of the waterproof layer 02 with the glue injection groove 021, the protective layer 03 and the waterproof layer 02 are fixedly adhered through the fixing glue 023 in the glue injection groove 021, and the processing of the waterproof layer 02 and the protective layer 03 on the corrugated board 01 is completed.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (3)
1. The utility model provides a production line of carton, includes corrugated container body, its characterized in that: the corrugated case body comprises a case paper board, wherein a corrugated board (01), a waterproof layer (02) and a protective layer (03) are sequentially arranged on the case paper board from the outside to the inside of the corrugated case body, and a first paper board (011), a corrugated layer (012) and a second paper board (013) which are mutually bonded and fixed are sequentially arranged on the corrugated board (01) from the outside to the inside of the corrugated case body; the waterproof layer (02) and the protective layer (03) are both made of pvc plastic, and the thickness of the protective layer (03) is only one third of that of the waterproof layer (02);
the surface, close to the protective layer (03), of the waterproof layer (02) is provided with an injection groove (021), the inner wall, far away from the protective layer (03), of the injection groove (021) is provided with an injection hole (022) communicated with the second paper board (013), both the injection groove (021) and the injection hole (022) are internally provided with fixing glue (023), and the fixing glue (023) enters a gap between the second paper board (013) and the corrugated layer (012) to form a reinforcing glue ball (024);
the carton production line further comprises a rack (1) which is horizontal in the length direction, wherein a feeding roller (2), a film covering sleeve (3), a glue injection device (5) and a film covering device are arranged in the rack (1), the glue injection device (5) is used for forming a glue injection hole (022) and a glue injection groove (021) in the waterproof layer (02) and injecting fixed glue (023), the film covering device is used for adhering the protective layer (03) to the waterproof layer (02), the number of the feeding rollers (2) is two, and the two feeding rollers (2) are vertically arranged and are rotationally connected with the inner side wall of the rack (1); the upper side edge and the lower side edge of an opening of the film covering sleeve (3) close to the feeding roller (2) are respectively bent towards the upper side and the lower side, the opening layer of the film covering sleeve (3) is rectangular, and the distance between the inner top surface and the inner bottom surface of the film covering sleeve (3) is the sum of the thicknesses of the corrugated board (01) and the waterproof layer (02);
the glue injection device (5) comprises a glue injection box (51), a hollow plate (52) in sliding fit with the inner side wall of the glue injection box (51), a fixed long plate (53) fixed in the rack (1), an electric push cylinder (54) fixed on the fixed long plate (53) and a glue injection needle cylinder (55) arranged at the bottom of the glue injection box (51), wherein a piston (551) rod of the electric push cylinder (54) vertically penetrates through the hollow plate (52) and is fixed with the inner bottom surface of the glue injection box (51); the opening of the glue injection needle cylinder (55) is arranged upwards, the bottom surface of the glue injection needle cylinder (55) is fixed with the inner bottom surface of the glue injection box (51), and a glue injection needle tube (56) which vertically penetrates through the bottom surface of the glue injection box (51) and is communicated with the inside of the glue injection needle cylinder (55) is fixed on the bottom surface of the glue injection needle cylinder (55); a piston (551) movably sealed with the inner wall of the glue injection needle cylinder (55) is connected in the glue injection needle cylinder (55) in a sliding manner, and a vertically arranged glue pushing rod (552) is fixed between the piston (551) and the bottom surface of the hollow plate (52); the hollow plate (52) is stored with the fixed glue (023) with constant pressure, a communicating pipe (553) is connected between the bottom surface of the hollow plate (52) and the outer side wall of the glue injection needle cylinder (55), and two ends of the communicating pipe (553) are respectively communicated with the inside of the hollow plate (52) and the inside of the glue injection needle cylinder (55); the hollow plate (52) is in sliding fit with the fixed long plate (53), the hollow plate (52) is vertical relative to the sliding direction of the fixed long plate (53), and a compression spring (521) is fixed between the bottom surface of the hollow plate (52) and the inner bottom surface of the glue injection box (51);
an electric heating ring block (561) is sleeved on the glue injection needle tube (56), and an electric heating wire is embedded in the electric heating ring block (561);
a telescopic pipe (531) and a telescopic rod (532) are arranged between the fixed long plate (53) and the hollow plate (52), the axis of the telescopic pipe (531) and the axis of the telescopic rod (532) are both vertically arranged, the lower end of the telescopic pipe (531) is fixed with the upper surface of the hollow plate (52), the upper end of the telescopic rod (532) is fixed with the bottom surface of the fixed long plate (53), and the lower end of the telescopic rod (532) penetrates into an opening at the upper end of the telescopic pipe (531) and is in sliding fit with the telescopic pipe (531); the outer side wall of the extension tube (531) is provided with a vent hole communicated with the interior of the extension tube (531), and the vent hole is arranged at the bottom of the extension tube (531).
2. A carton production line as claimed in claim 1, characterized in that: a conveying belt (4) arranged on the lower side of the glue injection device (5) is further arranged in the rack (1), the conveying belt (4) comprises a driving roller (41), a driven roller (42) and a conveying belt (43), the driving roller (41) and the driven roller (42) are rotatably connected into the rack (1), and the driving roller (41) and the driven roller (42) are arranged along the length direction of the rack body from the film coating device to the film coating sleeve (3); the two ends of the conveying belt (43) are respectively sleeved on the driving roller (41) and the driven roller (42), and the conveying belt (43) is respectively attached to and abutted against the roller surface of the driving roller (41) and the roller surface of the driven roller (42); the laminating device comprises a laminating roller (61) which is arranged on the upper side of the driving roller (41) and is rotationally connected with the frame (1), the rotating speed of the laminating roller (61) is the same as that of the driving roller (41), and the turning direction of the laminating roller (61) is opposite to that of the driving roller (41).
3. A carton production line as claimed in claim 2, characterized in that: the laminating device further comprises a first synchronizing gear (62) sleeved on and fixed with the end part of the laminating roller (61) and a second synchronizing gear (63) sleeved on and fixed with the end part of the driving roller (41), the first synchronizing gear (62) and the second synchronizing gear (63) have the same structure and are mutually meshed, and the diameter of the laminating roller (61) is consistent with that of the driving roller (41); a driving motor (64) is fixed on the frame (1), and an output shaft of the driving motor (64) is fixed with the end part of the driving roller (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911229241.2A CN110978647B (en) | 2019-12-04 | 2019-12-04 | Carton and production line thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911229241.2A CN110978647B (en) | 2019-12-04 | 2019-12-04 | Carton and production line thereof |
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| CN110978647A CN110978647A (en) | 2020-04-10 |
| CN110978647B true CN110978647B (en) | 2022-02-25 |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202986200U (en) * | 2013-01-12 | 2013-06-12 | 珠海正业包装有限公司 | High-strength waterproof and moistureproof corrugated paper box |
| CN104589759A (en) * | 2013-10-31 | 2015-05-06 | 靖江市东晨彩印厂 | Waterproof packaging cardboard |
| CN107776149A (en) * | 2016-08-26 | 2018-03-09 | 如皋市旭日包装纸业有限公司 | A kind of moisture-proof heat-insulation packing board |
| CN206494316U (en) * | 2016-11-14 | 2017-09-15 | 上海万戈工贸发展有限公司 | The package paper and Packaging Box of frozen food |
| CN108248113A (en) * | 2017-12-28 | 2018-07-06 | 叶金吉 | For the equipment of packed in cases |
| CN109607292B (en) * | 2018-11-05 | 2023-10-20 | 苏州万国纸业包装有限公司 | Corrugated paper laminating device and laminating method |
| KR102043673B1 (en) * | 2018-11-20 | 2019-11-12 | (주)예인디자인팩 | A corrugated board with air cap |
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