CN116871113A - Coating machine and coating method for coating aluminum foil - Google Patents
Coating machine and coating method for coating aluminum foil Download PDFInfo
- Publication number
- CN116871113A CN116871113A CN202310927666.0A CN202310927666A CN116871113A CN 116871113 A CN116871113 A CN 116871113A CN 202310927666 A CN202310927666 A CN 202310927666A CN 116871113 A CN116871113 A CN 116871113A
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- China
- Prior art keywords
- coating
- aluminum foil
- liquid storage
- frame
- storage tank
- Prior art date
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 142
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 142
- 239000011888 foil Substances 0.000 title claims abstract description 142
- 238000000576 coating method Methods 0.000 title claims abstract description 132
- 239000011248 coating agent Substances 0.000 title claims abstract description 123
- 239000000463 material Substances 0.000 claims abstract description 78
- 239000007788 liquid Substances 0.000 claims abstract description 59
- 238000007790 scraping Methods 0.000 claims abstract description 40
- 230000007246 mechanism Effects 0.000 claims abstract description 28
- 230000001502 supplementing effect Effects 0.000 claims abstract description 4
- 238000004804 winding Methods 0.000 claims abstract description 4
- 238000011084 recovery Methods 0.000 claims description 24
- 238000001035 drying Methods 0.000 claims description 23
- 238000003756 stirring Methods 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 8
- 238000006073 displacement reaction Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 2
- 230000002452 interceptive effect Effects 0.000 claims description 2
- 230000009471 action Effects 0.000 description 12
- 230000000694 effects Effects 0.000 description 7
- 238000005452 bending Methods 0.000 description 3
- 238000007664 blowing Methods 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 239000005030 aluminium foil Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
Classifications
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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
- B05C1/12—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 fed round the roller
-
- 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
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/02—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface
- B05C11/023—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface
-
- 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
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
- B05C11/1039—Recovery of excess liquid or other fluent material; Controlling means therefor
-
- 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
- B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
- B05C9/04—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material to opposite sides of the work
-
- 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
- B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
- B05C9/08—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation
- B05C9/14—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation the auxiliary operation involving heating or cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
- B05D3/0406—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases the gas being air
- B05D3/0413—Heating with air
Landscapes
- Coating Apparatus (AREA)
Abstract
The invention relates to the field of coating equipment, and discloses a coating machine and a coating method for coating aluminum foil, wherein the coating machine comprises a frame, a winding device is arranged on one side of the frame, an unreeling device is arranged on the other side of the frame, and a liquid storage tank is arranged in the frame; the coating mechanism is installed on the liquid storage tank, and the coating mechanism includes: the two coating rollers are arranged and are both rotatably arranged on two opposite side walls of the liquid storage tank; the pump is arranged in the liquid storage tank and is used for conveying the liquid in the liquid storage tank into the upper coating roller for supplementing; the bottom end of the electric lifting rod is fixed on the frame; a scraping plate is fixed on the side wall of the liquid storage tank, and the end part of the scraping plate is contacted with the coating roller; the auxiliary roller is rotatably arranged on the frame and is arranged at one side back to the scraping plate; according to the invention, by installing the excess material treatment assembly, the excess material on the bottom surface of the aluminum foil can be removed, and the excess material is redirected into the liquid storage tank.
Description
Technical Field
The invention relates to the field of coating equipment, in particular to a coating machine and a coating method for coating aluminum foil.
Background
Coating the aluminum foil means coating one side of a functional coating on the surface of the aluminum foil so as to enhance the conductivity or other functions of the aluminum foil; the aluminum foil coating process generally needs to be applied to a coating machine, in the aluminum foil processing process, slurry needs to be coated on the surface of the aluminum foil, when the aluminum foil is coated by the existing coating machine, the aluminum foil can only be coated on one surface of the aluminum foil, the surface of the aluminum foil is dried, the aluminum foil is turned over, and the other surface of the aluminum foil is coated, so that the coating efficiency is low.
The application number is CN 202010028567.5, has disclosed a two-sided quick coating unit of aluminium foil and method, including bottom plate, coating roller, coating pivot, slewing mechanism, side branch board and unloading mechanism, the top of bottom plate evenly arrange two coating rollers from top to bottom, every coating roller is all installed on the middle part of a coating pivot, both ends all install a side branch board through the bearing around the coating pivot, the lower extreme of side branch board is installed on the top of bottom plate, slewing mechanism connects on the rear end of coating pivot, the front side of every coating roller all distributes and has a unloading mechanism, unloading mechanism installs between two side branch boards.
According to the technical scheme, although double-sided coating of the aluminum foil can be achieved, redundant materials after lower coating fall down under the action of dead weight, local bulges are easily formed after drying, and the surface quality of the aluminum foil is affected.
Disclosure of Invention
The invention aims to provide a coating machine and a coating method for coating aluminum foil, which solve the technical problems.
The aim of the invention can be achieved by the following technical scheme:
the coating machine for coating the aluminum foil comprises a frame, wherein a winding device is arranged on one side of the frame, an unreeling device is arranged on the other side of the frame, and a liquid storage tank is arranged in the frame;
the liquid storage tank is provided with a coating mechanism, and the coating mechanism comprises:
the two coating rollers are arranged and are rotatably arranged on two opposite side walls of the liquid storage tank, and a displacement tank is arranged at the upper part of the tank wall of the liquid storage tank;
the pump is arranged in the liquid storage tank and is used for conveying the liquid in the liquid storage tank into the upper coating roller for supplementing;
the bottom end of the electric lifting rod is fixed on the bottom wall of the displacement groove, and the top end of the electric lifting rod is rotationally connected with the coating roller positioned above the electric lifting rod;
a scraper is fixed on the side wall of the liquid storage tank, and the end part of the scraper is contacted with the coating roller;
the auxiliary roller is rotatably arranged on the side wall of the liquid storage tank and is arranged at one side opposite to the scraping plate;
and the residual material treatment assembly is used for removing excessive materials on the bottom surface of the aluminum foil and redirecting the excessive materials back into the liquid storage tank.
As a further technical solution, the residue processing assembly includes:
the plate frame is rotatably arranged on the rack through a rotating shaft and is positioned at one side deviating from the liquid storage tank, and an open slot is formed in the top of the plate frame;
the variable scraping blade is slidably arranged in the opening groove, and the thickness of one side of the variable scraping blade, which is away from the plate frame, is gradually reduced;
the adjusting lifting rod is arranged on the bottom wall of the open slot;
the driving piece is in transmission connection with the rotating shaft and drives the plate frame to swing, and the driving piece is installed on the frame.
As a further technical scheme, the residue processing assembly further includes:
the recovery groove plate is fixed on the upper area of the side wall of the liquid storage groove on one side, an inclined surface is arranged on the other side, and the recovery groove plate is communicated with the liquid storage groove;
the upper end of the inclined plane is hinged with a matching plate, and the matching plate is connected with the bottom end of the inclined plane through a spring.
As a further technical scheme, the frame is also provided with an instant drying mechanism which is used for instant drying treatment of the upper and lower surfaces of the aluminum foil scraped with the surplus materials.
As a further technical scheme, the instant drying mechanism includes:
the air blowers are arranged on the rack, and the two air blowers are respectively arranged on the upper side and the lower side of the aluminum foil;
the two air outlet pipes are arranged, one ends of the two air outlet pipes are connected with the corresponding blowers, and the other ends of the two air outlet pipes face the upper surface and the lower surface of the aluminum foil respectively;
the heater is arranged at the air outlet of the air outlet pipe and used for heating the air exhausted by the air outlet pipe.
As a further technical scheme, the distance adjusting assembly is arranged at the end part of the air outlet pipe below the aluminum foil and is used for adjusting the linear distance between the pipe orifice of the air outlet pipe and the lower surface of the aluminum foil.
As a further technical solution, the distance adjusting assembly includes:
the sliding groove is formed in the outer side wall of the plate frame;
the sleeve is slidably arranged in the chute and is fixed with the pipe orifice of the air outlet pipe;
the movable notch is arranged on the side wall of the plate frame and is on the same side with the chute;
the stirring piece is arranged into an arc-shaped structure, the middle part of the stirring piece is hinged in the movable groove, one end of the stirring piece is abutted against the bottom surface of the variable scraping blade, and the other end of the stirring piece is fixed with a supporting plate;
the backup pad, the backup pad with the external member is contradicted.
As a further technical scheme, the width of the variable scraping blade is larger than that of the aluminum foil, and the upper part of the variable scraping blade is arranged into an arc-shaped structure.
A coating method of a coated aluminum foil, which comprises the following steps:
s1: the aluminum foil is arranged on the unreeling device, and the head end of the aluminum foil sequentially passes through the auxiliary roller and the two coating rollers and then reaches the reeling device to finish the preparation work;
s2: the coating mechanism is started to coat the upper and lower surfaces of the aluminum foil in the advancing process, and the coated aluminum foil enters the residual material treatment assembly;
s3: the excess material treatment assembly scrapes and instantly dries the excess material on the lower surface of the aluminum foil, and the excess material is recovered into the liquid storage tank for reuse;
s4: and the dried coating aluminum foil is rolled by a rolling device.
The invention has the beneficial effects that:
(1) According to the invention, the surplus materials on the lower surface are removed by using the surplus material treatment assembly, and the surplus materials are collected into the liquid storage tank for reuse, so that the utilization rate of the materials is improved, and meanwhile, the situation that local protrusions are caused by the falling of the surplus materials due to the dead weight can be avoided as much as possible;
(2) According to the invention, the distance of the variable scraping blade extending out of the open slot is changed by adjusting the elongation of the lifting rod electrically, namely, the distance control between the end face of the variable scraping blade and the lower surface of the aluminum foil is realized, so that the thickness standard of the aluminum foil coating can be adjusted in real time according to the thickness value of the aluminum foil coating, the thickness standard of the aluminum foil coating can be ensured to meet the quality requirement, meanwhile, redundant materials can be scraped off passively by utilizing the action of the aluminum foil when the aluminum foil moves, the scraped materials accumulate under the dead weight and gradually fall onto the recovery groove plate, and the materials automatically fall back into the liquid storage groove due to the fact that the left side and the right side of the recovery groove plate are low, so that the effects of saving the materials and reducing waste are achieved;
(3) According to the invention, the air is blown to the upper surface and the lower surface of the aluminum foil at a constant speed through the air blower after passing through the air outlet pipes, and the pipe orifices of the two air outlet pipes are arranged vertically and oppositely, so that the upper surface and the lower surface of the travelling aluminum foil can be dried simultaneously, and the possibility of subsequent dead weight falling is reduced; on the other hand, the up-down synchronous blowing can play a role in supporting and limiting the aluminum foil, so that the possibility of downward bending of the aluminum foil under the action of dead weight can be effectively reduced, and the horizontal stability of aluminum foil conveying is ensured; and the fluctuation of the aluminum foil caused by the action of external force can be prevented, so that the fluctuation of the distance value between the scraping blade and the lower surface of the aluminum foil is caused, and the thickness value of the aluminum foil coating is influenced.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is an enlarged schematic view of a portion of FIG. 1 at A;
FIG. 3 is a schematic view of the structure of the recovery tank plate and the mating plate according to the present invention;
fig. 4 is a process step diagram of the present invention.
Description of the drawings: 1. a frame; 2. a liquid storage tank; 3. a coating mechanism; 31. a coating roller; 32. a pump; 33. a displacement groove; 34. an electric lifting rod; 35. a scraper; 36. an auxiliary roller; 4. a residue processing assembly; 41. a plate frame; 42. an open slot; 43. varying the wiper blade; 44. adjusting the lifting rod; 45. a driving member; 46. recovering the groove plate; 47. matching plates; 48. a spring; 5. a drying mechanism; 51. a blower; 52. an air outlet pipe; 53. a heater; 6. a distance adjusting component; 61. a chute; 62. a kit; 63. a movable notch; 64. a toggle member; 65. and a support plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 4, the present invention is a coater for coating aluminum foil,
example 1:
the device comprises a frame 1, wherein a winding device is arranged on one side of the frame 1, an unwinding device is arranged on the other side of the frame 1, and a liquid storage tank 2 is arranged in the frame 1;
the liquid storage tank 2 is provided with a coating mechanism 3, and the coating mechanism 3 comprises:
the two coating rollers 31 are arranged, and are rotatably arranged on two opposite side walls of the liquid storage tank 2, and a displacement groove 33 is formed in the upper part of the groove wall of the liquid storage tank 2;
a pump 32, the pump 32 is installed in the liquid storage tank 2, and is used for conveying the liquid in the liquid storage tank 2 to the upper coating roller 31 for supplementing;
an electric lifting rod 34, wherein the bottom end of the electric lifting rod 34 is fixed on the bottom wall of the displacement groove 33, and the top end of the electric lifting rod is rotatably connected with the coating roller 31 positioned above;
a scraper 35, wherein the scraper 35 is fixed on the side wall of the liquid storage tank 2, and the end part of the scraper 35 is contacted with the coating roller 31;
an auxiliary roller 36, wherein the auxiliary roller 36 is rotatably installed on the side wall of the liquid storage tank 2 and is arranged at one side opposite to the scraping plate 35;
and the residual material treatment assembly 4 is used for removing redundant materials on the bottom surface of the aluminum foil and redirecting the redundant materials back into the liquid storage tank 2.
In this embodiment, after starting, the aluminum foil gradually moves from right to left, and the two coating rollers 31 rotate in opposite directions, so that materials are simultaneously coated on the upper and lower surfaces of the aluminum foil, the coated aluminum foil moves out of the liquid storage tank 2 and enters the working range of the residual material processing assembly 4, the residual material processing assembly 4 is used for removing the residual materials on the lower surface, and the residual materials are collected into the liquid storage tank 2 for reuse, thereby improving the utilization rate of the materials, and simultaneously avoiding the occurrence of local protrusion caused by the falling of the residual materials due to dead weight as far as possible; the upper coating roller 31 can be pushed to adjust the height by arranging the electric lifting rod 34, so that the distance between the two coating rollers 31 can be changed according to the requirement of the thickness of the coating;
the coating roller 31 is provided with a driving motor, and the feeding of the upper coating roller 31 by the pump 32 is performed in the prior art, so that the description thereof will not be repeated.
Example 2:
the remainder processing assembly 4 includes:
the plate frame 41 is rotatably installed on the frame 1 through a rotating shaft and is positioned at one side away from the liquid storage tank 2, and an open slot 42 is formed in the top of the plate frame 41;
a variable wiper 43, wherein the variable wiper 43 is slidably mounted in the opening groove 42, and the thickness of one side of the variable wiper 43 facing away from the plate frame 41 is gradually reduced;
an adjusting lifting rod 44, wherein the adjusting lifting rod 44 is arranged on the bottom wall of the open groove 42;
the driving piece 45 is in transmission connection with the rotating shaft and drives the plate frame 41 to swing, the driving piece 45 is installed on the frame 1, and the driving piece 45 is a servo motor.
The remainder handling assembly 4 further comprises:
a recovery tank plate 46, wherein one side of the recovery tank plate 46 is fixed at the upper area of the side wall of the liquid storage tank 2, the other side is provided with an inclined plane, and the recovery tank plate 46 is communicated with the liquid storage tank 2;
the upper end of the inclined plane is hinged with a matching plate 47, and the matching plate 47 is connected with the bottom end of the inclined plane through a spring 48.
In this embodiment, a specific structure of the residue processing assembly 4 is provided, specifically, the distance that the variable scraping blade 43 extends out of the open slot 42 is changed by adjusting the elongation of the electric adjusting lifting rod 44, namely, the distance between the end face of the variable scraping blade 43 and the lower surface of the aluminum foil is controlled, further, the thickness standard of the aluminum foil coating can be adjusted in real time according to the thickness value of the aluminum foil coating, the thickness standard of the aluminum foil coating can be ensured to meet the quality requirement, meanwhile, excessive materials can be scraped off passively by utilizing the action of the aluminum foil during traveling, the scraped materials are accumulated under the dead weight and gradually fall onto the recovery slot plate 46, and the materials automatically fall back into the liquid storage tank 2 due to the left and right low of the recovery slot plate 46, so that the effects of saving the materials and reducing the waste are achieved;
the aluminum foil with the excessive materials scraped is difficult to fall down to form local bulges in the continuous moving process, so that the coating quality of the aluminum foil during subsequent drying is effectively improved, and the product qualification rate of the coated aluminum foil is improved;
under the driving of the driving piece 45, the angle between the plate frame 41 and the variable scraping blade 43 can be changed, and the angle is adaptively changed according to the quantity of redundant materials, for example, when the quantity of the redundant materials is large, the plate frame 41 and the variable scraping blade 43 incline leftwards, so that the materials can slowly move from the scraping blade 35 to the recovery groove plate 46, and the situation that the materials fall and splash is avoided, and the vertical state is always kept;
in order to adapt to the angle change of the variable scraping blade 43, a matching plate 47 is additionally arranged at the end part of the recovery groove plate 46, an inclined plane formed by the end part of the recovery groove plate 46 is utilized to reserve space for the swing of the matching plate 47, the matching plate 47 is supported by the elasticity of a spring 48, the matching plate 47 is always tightly attached to the side surface of the variable scraping blade 43, the contact state of the recovery groove plate 46 and the variable scraping blade 43 is kept, falling surplus materials are better received, and a better recycling effect is achieved.
Example 3:
the frame 1 is also provided with an instant drying mechanism 5, and the instant drying mechanism 5 is used for instant drying treatment of the upper and lower surfaces of the aluminum foil from which the residual materials are scraped.
The instant drying mechanism 5 includes:
the air blowers 51 are arranged on the frame 1, and the two air blowers 51 are respectively arranged on the upper side and the lower side of the aluminum foil;
the two air outlet pipes 52 are arranged, one ends of the two air outlet pipes 52 are connected with the corresponding air blowers 51, and the other ends face the upper surface and the lower surface of the aluminum foil respectively;
the heater 53 is installed at the air outlet of the air outlet pipe 52, and heats the air discharged from the air outlet pipe 52.
The distance adjusting assembly 6 is arranged at the end part of the air outlet pipe 52 below the aluminum foil, and the distance adjusting assembly 6 is used for adjusting the linear distance between the pipe orifice of the air outlet pipe 52 and the lower surface of the aluminum foil.
The distance adjusting assembly 6 comprises:
a slide groove 61, wherein the slide groove 61 is arranged on the outer side wall of the plate frame 41;
a sleeve 62, wherein the sleeve 62 is slidably mounted in the chute 61 and fixes the nozzle of the air outlet pipe 52;
the movable notch 63 is arranged on the side wall of the plate frame 41 and is on the same side as the sliding groove 61;
the stirring piece 64 is provided with an arc-shaped structure, the middle part of the stirring piece 64 is hinged in the movable groove, one end of the stirring piece 64 is abutted against the bottom surface of the variable scraping blade 43, and the other end of the stirring piece 64 is fixed with a supporting plate 65;
a support plate 65, said support plate 65 interfering with said sleeve 62.
The width of the variable scraping blade 43 is larger than that of the aluminum foil, and the upper portion of the variable scraping blade 43 is provided with an arc-shaped structure, so that the variable scraping blade can be suitable for aluminum foils with different widths, redundant materials can be inwards received from two sides by the variable scraping blade 43 with the arc-shaped structure, and the redundant materials are prevented from overflowing from the two sides, so that the subsequent quality problem is caused.
In this embodiment, by arranging the instant drying mechanism 5, the aluminum foil after removing the excess materials is dried in time, so as to reduce the probability of quality problems caused by falling of the aluminum foil coating due to gravity in the moving process, specifically, the blower 51 blows air to the upper and lower surfaces of the aluminum foil at a constant speed after passing through the air outlet pipes 52, and the pipe orifices of the two air outlet pipes 52 are arranged vertically and oppositely, so that on one hand, the upper and lower surfaces of the traveling aluminum foil can be dried simultaneously, and the possibility of falling of the subsequent dead weight is reduced; on the other hand, the up-down synchronous blowing can play a role in supporting and limiting the aluminum foil, so that the possibility of downward bending of the aluminum foil under the action of dead weight can be effectively reduced, and the horizontal stability of aluminum foil conveying is ensured; the aluminum foil can be prevented from being fluctuated under the action of external force, so that the distance value between the scraping blade 43 and the lower surface of the aluminum foil is fluctuated, and the thickness value of the aluminum foil coating is influenced;
meanwhile, the distance adjusting assembly 6 is further arranged, when the doctor blade 43 is changed to shrink inwards towards the plate frame 41, the preset thickness of the aluminum foil coating is larger, the stirring piece 64 at the bottom is extruded by the aid of the inward shrinking force of the doctor blade 43, and the other end of the stirring piece 64 is lifted upwards under the action of a lever, so that the pipe orifice of the air outlet pipe 52 is pushed upwards, the distance between the pipe orifice of the air outlet pipe 52 and the lower surface of the aluminum foil is closer, and the distance is smaller under the condition that the air outlet quantity and the air outlet speed are not changed, so that the distance can be suitable for the coating drying requirement with larger thickness; according to the invention, the distance adjusting assembly 6 is linked with the extension of the variable scraping blade 43, when the reserved thickness of the coating is smaller, the distance between the pipe orifice and the lower surface of the aluminum foil is pulled away, and when the reserved thickness of the coating is larger, the distance between the pipe orifice and the lower surface of the aluminum foil is pulled close, so that the requirements of drying the aluminum foil coating are dynamically met, and a better drying effect is achieved;
because the upper surface of the aluminum foil can not fall down to be convex, the distance of the pipe orifice above is not changed, and excessive consumable materials are avoided.
A coating method of a coated aluminum foil, which comprises the following steps:
s1: the aluminum foil is arranged on the unreeling device, and the head end of the aluminum foil sequentially passes through the auxiliary roller 36 and the two coating rollers 31 and then reaches the reeling device to finish the preparation work;
s2: the coating mechanism 3 is started to coat the upper and lower surfaces of the aluminum foil in the advancing process, and the coated aluminum foil enters the residual material treatment assembly 4;
s3: the residual material treatment assembly 4 scrapes and instantly dries the residual materials on the lower surface of the aluminum foil, and the residual materials are recovered into the liquid storage tank 2 for reuse;
s4: and the dried coating aluminum foil is rolled by a rolling device.
The working principle of the invention is as follows:
the aluminum foil gradually moves from right to left, and the two coating rollers 31 rotate reversely, so that materials are simultaneously coated on the upper surface and the lower surface of the aluminum foil, the purpose of simultaneously coating the upper surface and the lower surface of the aluminum foil is achieved, the coated aluminum foil enters the working range of the residual material processing assembly 4 after moving out of the liquid storage tank 2, the residual material processing assembly 4 is utilized to remove the residual materials on the lower surface, the residual materials are collected into the liquid storage tank 2 for recycling, the utilization rate of the materials is improved, and meanwhile, the situation that the residual materials are locally raised due to the falling of the residual materials can be avoided as much as possible; the upper coating roller 31 can be pushed to adjust the height by arranging the electric lifting rod 34, so that the distance between the two coating rollers 31 can be changed according to the requirement of the thickness of the coating;
specifically, the distance that the variable scraping blade 43 extends out of the open slot 42 is changed by adjusting the elongation of the lifting rod 44 electrically, namely, the distance between the end face of the variable scraping blade 43 and the lower surface of the aluminum foil is controlled, so that the thickness standard of the aluminum foil coating can be adjusted in real time according to the thickness value of the aluminum foil coating, the thickness standard of the aluminum foil coating can be ensured to meet the quality requirement, meanwhile, redundant materials can be scraped off passively by utilizing the action of the aluminum foil during travelling, the scraped materials accumulate under the dead weight and gradually fall onto the recovery slot plate 46, and the materials automatically fall back into the liquid storage slot 2 due to the fact that the left side and the right side of the recovery slot plate 46 are low, so that the effects of saving the materials and reducing waste are achieved;
the aluminum foil with the excessive materials scraped is difficult to fall down to form local bulges in the continuous moving process, so that the coating quality of the aluminum foil during subsequent drying is effectively improved, and the product qualification rate of the coated aluminum foil is improved;
under the driving of the driving piece 45, the angle between the plate frame 41 and the variable scraping blade 43 can be changed, and the angle is adaptively changed according to the quantity of redundant materials, for example, when the quantity of the redundant materials is large, the plate frame 41 and the variable scraping blade 43 incline leftwards, so that the materials can slowly move from the scraping blade 35 to the recovery groove plate 46, and the situation that the materials fall and splash is avoided, and the vertical state is always kept;
in order to adapt to the angle change of the variable scraping blade 43, a matching plate 47 is additionally arranged at the end part of the recovery groove plate 46, an inclined plane formed by the end part of the recovery groove plate 46 is utilized to reserve space for the swing of the matching plate 47, the matching plate 47 is supported by the elasticity of a spring, the matching plate 47 is always tightly attached to the side surface of the variable scraping blade 43, the contact state of the recovery groove plate 46 and the variable scraping blade 43 is kept, the falling surplus materials are better received, and a better recycling effect is achieved;
the instant drying mechanism 5 is arranged, so that the aluminum foil after the excess materials are removed is dried in time, the probability of quality problems caused by falling of the aluminum foil coating due to gravity in the moving process is reduced, specifically, the air blower 51 blows air to the upper surface and the lower surface of the aluminum foil at a constant speed after passing through the air outlet pipes 52, pipe orifices of the two air outlet pipes 52 are arranged vertically and oppositely, on one hand, the upper surface and the lower surface of the traveling aluminum foil can be dried simultaneously, and the possibility of falling of the subsequent dead weight is reduced; on the other hand, the up-down synchronous blowing can play a role in supporting and limiting the aluminum foil, so that the possibility of downward bending of the aluminum foil under the action of dead weight can be effectively reduced, and the horizontal stability of aluminum foil conveying is ensured; the aluminum foil can be prevented from being fluctuated under the action of external force, so that the distance value between the scraping blade 43 and the lower surface of the aluminum foil is fluctuated, and the thickness value of the aluminum foil coating is influenced;
meanwhile, the distance adjusting assembly 6 is further arranged, when the doctor blade 43 is changed to shrink inwards towards the plate frame 41, the preset thickness of the aluminum foil coating is larger, the stirring piece 64 at the bottom is extruded by the aid of the inward shrinking force of the doctor blade 43, and the other end of the stirring piece 64 is lifted upwards under the action of a lever, so that the pipe orifice of the air outlet pipe 52 is pushed upwards, the linear distance between the pipe orifice of the air outlet pipe 52 and the lower surface of the aluminum foil is closer, and the distance is smaller under the condition that the air outlet quantity and the air outlet speed are not changed, so that the distance can be suitable for the coating drying requirement with larger thickness; according to the invention, the distance adjusting assembly 6 is linked with the extension of the variable scraping blade 43, when the reserved thickness of the coating is smaller, the distance between the pipe orifice and the lower surface of the aluminum foil is pulled away, and when the reserved thickness of the coating is larger, the distance between the pipe orifice and the lower surface of the aluminum foil is pulled close, so that the requirements of drying the aluminum foil coating are dynamically met, and a better drying effect is achieved;
because the upper surface of the aluminum foil can not fall down to be convex, the distance of the pipe orifice above is not changed, and excessive consumable materials are avoided.
The foregoing describes one embodiment of the present invention in detail, but the description is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.
Claims (9)
1. The coating machine for coating aluminum foil comprises a frame (1), wherein a winding device is arranged on one side of the frame (1), an unreeling device is arranged on the other side of the frame (1), and a liquid storage tank (2) is arranged in the frame (1);
the coating device is characterized in that a coating mechanism (3) is arranged on the liquid storage tank (2), and the coating mechanism (3) comprises:
the coating rollers (31) are arranged, the coating rollers (31) are arranged at two opposite side walls of the liquid storage tank (2) in a rotating mode, and a displacement groove (33) is formed in the upper portion of the groove wall of the liquid storage tank (2);
a pump (32), wherein the pump (32) is arranged in the liquid storage tank (2) and is used for conveying the liquid in the liquid storage tank (2) into the upper coating roller (31) for supplementing;
the bottom end of the electric lifting rod (34) is fixed on the bottom wall of the displacement groove (33), and the top end of the electric lifting rod is rotationally connected with the coating roller (31) positioned above;
a scraper (35), wherein the scraper (35) is fixed on the side wall of the liquid storage tank (2), and the end part of the scraper (35) is contacted with the coating roller (31);
the auxiliary roller (36) is rotatably arranged on the side wall of the liquid storage groove (2) and is arranged at one side opposite to the scraping plate (35);
and the residual material treatment assembly (4) is used for removing redundant materials on the bottom surface of the aluminum foil and redirecting the redundant materials back into the liquid storage tank (2).
2. The coating machine for coating aluminum foil according to claim 1, wherein the remainder handling assembly (4) comprises:
the plate frame (41) is rotatably arranged on the frame (1) through a rotating shaft and is positioned at one side away from the liquid storage tank (2), and an open slot (42) is formed in the top of the plate frame (41);
a shifting wiper blade (43), wherein the shifting wiper blade (43) is slidably arranged in the opening groove (42), and the thickness of one side of the shifting wiper blade (43) away from the plate frame (41) is gradually reduced;
an adjusting lifter (44), the adjusting lifter (44) being mounted on the bottom wall of the open slot (42);
the driving piece (45), driving piece (45) with pivot transmission is connected to drive the swing of board frame (41), driving piece (45) are installed on frame (1).
3. The coating machine for coating aluminum foil according to claim 2, wherein the remainder handling assembly (4) further comprises:
a recovery groove plate (46), wherein one side of the recovery groove plate (46) is fixed at the upper area of the side wall of the liquid storage groove (2), the other side of the recovery groove plate is provided with an inclined surface, and the recovery groove plate (46) is communicated with the liquid storage groove (2);
the upper end of the inclined plane is hinged with the matching plate (47), and the matching plate (47) is connected with the bottom end of the inclined plane through a spring (48).
4. A coating machine for coating aluminum foil according to claim 3, wherein the frame (1) is further provided with an instant drying mechanism (5), and the instant drying mechanism (5) is used for instant drying treatment of the upper and lower surfaces of the aluminum foil scraped with the surplus material.
5. The coating machine for coating aluminum foils according to claim 4, characterized in that the instant drying mechanism (5) comprises:
the air blowers (51) are arranged on the frame (1), and the two air blowers (51) are respectively arranged on the upper side and the lower side of the aluminum foil;
the two air outlet pipes (52) are arranged, one ends of the two air outlet pipes (52) are connected with the corresponding air blowers (51), and the other ends face the upper surface and the lower surface of the aluminum foil respectively;
and the heater (53) is arranged at an air outlet of the air outlet pipe (52) and used for heating air exhausted by the air outlet pipe (52).
6. The coating machine for coating aluminum foil according to claim 5, wherein a distance adjusting assembly (6) is installed at the end of the air outlet pipe (52) below the aluminum foil, and the distance adjusting assembly (6) is used for adjusting the linear distance between the pipe orifice of the air outlet pipe (52) and the lower surface of the aluminum foil.
7. The coating machine for coating aluminum foils according to claim 6, characterized in that the distance adjusting assembly (6) comprises:
the sliding groove (61) is formed in the outer side wall of the plate frame (41);
the sleeve (62) is slidably arranged in the chute (61) and is fixed with the pipe orifice of the air outlet pipe (52);
the movable notch (63) is formed in the side wall of the plate frame (41) and is on the same side as the sliding groove (61);
the stirring piece (64) is arranged into an arc-shaped structure, the middle part of the stirring piece (64) is hinged in the movable groove, one end of the stirring piece (64) is abutted against the bottom surface of the variable scraping blade (43), and the other end of the stirring piece is fixed with a supporting plate (65);
-a support plate (65), said support plate (65) interfering with said sleeve (62).
8. The coating machine for coating aluminum foil according to claim 7, wherein the width of the varying wiper blade (43) is larger than the width of the aluminum foil, and the upper portion of the varying wiper blade (43) is provided in an arc-shaped structure.
9. A method of coating an aluminum foil using the coater according to any one of claims 1 to 8, characterized in that the coating method comprises the steps of:
s1: the aluminum foil is arranged on the unreeling device, and the head end of the aluminum foil sequentially passes through the auxiliary roller (36) and the two coating rollers (31) and then reaches the reeling device to finish the preparation work;
s2: the coating mechanism (3) is started to coat the upper and lower surfaces of the aluminum foil in the advancing process, and the coated aluminum foil enters the residual material treatment assembly (4);
s3: the residual material treatment assembly (4) scrapes and instantly dries the residual materials on the lower surface of the aluminum foil, and the residual materials are recovered into the liquid storage tank (2) for reuse;
s4: and the dried coating aluminum foil is rolled by a rolling device.
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| CN202310927666.0A CN116871113B (en) | 2023-07-26 | 2023-07-26 | Coating machine and coating method for coating aluminum foil |
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| CN202310927666.0A CN116871113B (en) | 2023-07-26 | 2023-07-26 | Coating machine and coating method for coating aluminum foil |
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Cited By (1)
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| CN117505183A (en) * | 2024-01-02 | 2024-02-06 | 海阳科技股份有限公司 | Sandwich laminating device for manufacturing nylon cord fabric |
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| CN116871113B (en) | 2024-06-25 |
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