CN113245162A - Preparation method of self-protection vacuum insulation panel - Google Patents

Preparation method of self-protection vacuum insulation panel Download PDF

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Publication number
CN113245162A
CN113245162A CN202110626417.9A CN202110626417A CN113245162A CN 113245162 A CN113245162 A CN 113245162A CN 202110626417 A CN202110626417 A CN 202110626417A CN 113245162 A CN113245162 A CN 113245162A
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China
Prior art keywords
coating
vacuum insulation
insulation panel
curing
self
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CN202110626417.9A
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Chinese (zh)
Inventor
杨波
刘莉
范捷
王强
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Sichuan Linglinghao Technology Co ltd
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Sichuan Linglinghao Technology Co ltd
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Priority to CN202110626417.9A priority Critical patent/CN113245162A/en
Publication of CN113245162A publication Critical patent/CN113245162A/en
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    • 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
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/36—Successively applying liquids or other fluent materials, e.g. without intermediate treatment
    • B05D1/38—Successively applying liquids or other fluent materials, e.g. without intermediate treatment with intermediate treatment
    • 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
    • B05D3/02—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 baking
    • B05D3/0254—After-treatment
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
    • C09D1/06—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances cement
    • C09D1/08—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances cement with organic additives
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04—Polyurethanes
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04—Polyurethanes
    • C09D175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/18—Fireproof paints including high temperature resistant paints

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Inorganic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Structural Engineering (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

The invention discloses a preparation method of a self-protection vacuum insulation panel, which comprises the following steps: s1, preparing a coating material; s2, coating the upper surface, the left side surface and the right side surface of the vacuum insulation panel to form a self-protection coating, and finishing three-surface coating; s3, curing the once-coated vacuum insulation panel; s4, turning the once-cured vacuum insulation panel for 180 degrees and then turning the vacuum insulation panel for 90 degrees in the horizontal direction; s5, coating the lower surface, the front side surface and the rear side surface of the vacuum insulation panel subjected to turn-over treatment to form a self-protection coating, and finishing coating of the remaining three surfaces; s6, secondary curing: and curing the secondarily coated vacuum insulation panel. The preparation method provided by the invention realizes the formation of the self-protection coating on each side surface of the vacuum insulation panel by adopting a coating mode, and solves the problems that the existing preparation method cannot protect all side surfaces of the vacuum insulation panel, the vacuum insulation panel is easy to damage, the labor intensity is high, and the production efficiency is low.

Description

Preparation method of self-protection vacuum insulation panel
Technical Field
The invention relates to the technical field of vacuum insulation panel production, in particular to a preparation method of a self-protection vacuum insulation panel.
Background
At present, the outmost layer of the vacuum insulation panel (on the market) is generally a high-resistance membrane or a high-resistance membrane with glass fiber cloth; or other sheets are compounded through glue to protect the vacuum insulation panel, similar to a sandwich structure, the method needs to glue the vacuum insulation panel or the sheets, then the vacuum insulation panel or the sheets are overlapped and compounded, finally a cold press is used for pressing and maintaining the pressure for at least 4 hours to enable the glue to be cured to be completely combined, and the pressure maintaining time is longer in winter.
The method needs a large amount of manual operation, has high labor intensity, low production efficiency and extremely low equipment utilization rate, the vacuum insulation panel and the sheet are easy to slip and dislocate during pressing, the vacuum insulation panel is easy to damage by pressing, and in addition, the method only can compositely protect two large faces of the vacuum insulation panel and cannot composite 4 side faces, so that the effect of completely protecting the vacuum insulation panel cannot be achieved.
The other method is to pour a proper amount of polyurethane foaming material on one surface of the vacuum heat-insulating plate, fix the mould at a certain temperature for forming, then pour a proper amount of polyurethane foaming material on the second surface, and fix the mould at a certain temperature for forming.
The method needs to consume a large amount of white materials and black materials, and the white materials and the black materials after sealing are dangerous goods, so that great danger is caused to operators. The polyurethane protective layer prepared by the method is large in thickness, so that the application range of the polyurethane protective layer is small. And the method needs to cut the polyurethane protective layer, so that the vacuum insulation panel is easily damaged again.
Disclosure of Invention
The invention aims to provide a preparation method of a self-protection vacuum heat-insulating plate, which adopts a coating mode to realize the formation of self-protection coatings on all sides of the vacuum heat-insulating plate and solves the problems that the existing preparation method can not protect all sides of the vacuum heat-insulating plate, the vacuum heat-insulating plate is easy to damage, the labor intensity is high and the production efficiency is low.
The invention is realized by the following technical scheme:
a preparation method of a self-protection vacuum insulation panel comprises the following steps:
s1, preparing a coating material: preparing a coating material, and conveying the coating material to a first coating machine and a second coating machine;
s2, primary coating: coating the upper surface, the left side surface and the right side surface of the vacuum insulation panel by a first coating machine to form a self-protection coating, and finishing three-surface coating;
s3, primary curing: curing the vacuum insulation panel coated once to finish curing the coated three surfaces;
s4, turning over: turning the once cured vacuum insulation plate 180 degrees and then turning 90 degrees in the horizontal direction;
s5, secondary coating: coating the lower surface, the front side surface and the rear side surface of the vacuum insulation panel subjected to turn-over treatment by using a second coating machine to form a self-protection coating, and finishing the coating of the remaining three surfaces;
s6, secondary curing: and curing the vacuum insulation panel subjected to secondary coating to finish curing the coated residual three surfaces, so as to obtain the self-protection vacuum insulation panel.
The upper surface, the left side surface and the right side surface are defined in the first coating machine relative to the vacuum insulation panel, wherein the left side surface and the right side surface are two sides of the conveying direction respectively, the left side is a left side facing to the rear end of the conveying direction, and the rear end is relative to the conveying direction, for example, the second conveyor is arranged at the rear end of the first coating machine.
The process of the invention is briefly described as follows:
vacuum insulation panel-coating 3 faces-curing-180 degree turning-90 degree turning-coating 3 faces-curing-self-protecting vacuum insulation panel.
The working principle of the invention is as follows:
the method comprises the steps of firstly conveying a vacuum insulation panel to a first coating machine to finish 3-surface coating of the vacuum insulation panel, then finishing drying of the 3 surfaces through a curing processor, then finishing turnover through a 180-degree turnover machine to enable the original lower surface to turn over to become an upper surface, finishing plane 90-degree turning through a 90-degree turning conveyor to enable the original front side surface and the original rear side surface to become left and right side surfaces, then finishing coating of the other 3 surfaces of the vacuum insulation panel through a second coating machine, and finishing drying of the 3 surfaces through curing to obtain the complete self-protection vacuum insulation panel.
In conclusion, the self-protection coating can be sprayed on the surface of the vacuum heat-insulation plate, and the problems that the conventional self-protection technology cannot protect all sides of the vacuum heat-insulation plate, the vacuum heat-insulation plate is easy to damage, the labor intensity is high, and the production efficiency is low are solved.
Further, the coating material is selected from one of cement mortar, UV coating, PU coating, water-based coating and fireproof coating.
Further, the cement mortar comprises the following components:
35-55 parts of Portland cement, 15-25 parts of gypsum powder, 25-35 parts of quartz sand, 1-3 parts of dispersed latex powder and 0.1-1 part of cellulose ether in the dry ash;
the water-cement ratio of the cement mortar is 0.2-0.8.
Further, the UV coating comprises the following components:
UA 60615-25 parts, UA 37815-25 parts, UA 20210-15 parts, EA 2215-10 parts, TP + TM 10-15 parts, 184+ TPO 3-5 parts, TEGO 4100-1 parts and xylene 20-40 parts.
Further, in step S1, the preparation process of the coating material is as follows:
mixing and stirring the components, wherein the stirring conditions are as follows: the rotating speed is 300-.
Further, the thickness of the self-protection coating is 0.1-3 mm.
Further, a first curing machine and a second curing machine are respectively adopted for primary curing and secondary curing, and a first coating machine, the first curing machine, a turnover machine, a 90-degree turning conveyor, a second coating machine and the second curing machine are sequentially arranged according to the conveying direction, so that primary coating, primary curing, 180-degree turning, 90-degree turning in the horizontal direction, secondary coating and secondary curing are respectively realized.
Further, both the primary curing and the secondary curing employ photo-curing or both employ thermal curing.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. the invention can realize that coating materials are sprayed on all sides of the vacuum insulation panel to form self-protection coatings, and the effect of completely protecting the vacuum insulation panel is achieved.
2. The self-protection coating disclosed by the invention is sprayed by a coating machine and is not easy to damage the vacuum insulation panel.
3. The vacuum heat insulation plate automatic conveying device can realize the operations of automatic conveying, spraying, drying, overturning and the like of the vacuum heat insulation plate, has the advantage of high automation degree, and solves the problems of high manual strength and low production efficiency.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic diagram of a production system;
FIG. 2 is a schematic view of the structure of a first coater;
FIG. 3 is a schematic structural view of the upender;
FIG. 4 is a schematic turn-around view of a linear 90 ° turn-around conveyor;
FIG. 5 is a schematic turn-around view of an L-shaped 90 turn-around conveyor;
FIG. 6 is a schematic view of a vacuum insulation panel;
fig. 7 is a schematic view of a self-protecting vacuum insulation panel.
Reference numbers and corresponding part names in the drawings:
1-a first conveyor, 2-a first coating machine, 3-a second conveyor, 4-a first curing machine, 5-a turnover machine, 6-90-degree steering conveyor, 7-a second coating machine, 8-a second curing machine, 9-a third conveyor, 10-a fourth conveyor, 21-an upper groove, 22-a pillar, 23-a left nozzle, 24-an upper nozzle, 25-a conveying pipeline, 26-a pump, 27-a right nozzle, 28-a bottom plate, 51-a supporting leg, 52-a motor, 53-a rotating shaft, 54-a sleeve, 55-a clamping mechanism, 56-a fixed plate, 61-a roller conveying mechanism, 62-an L-shaped belt conveying mechanism, 63-a fixed catch wheel, 64-a roller, 65-a rotating shaft and 100-a vacuum insulation board, 200-self-protective coating.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Example 1:
a preparation method of a self-protection vacuum insulation panel comprises the following steps:
s1, preparing a coating material: preparing a coating material, and conveying the coating material to the first coating machine 2 and the second coating machine 7;
s2, primary coating: coating the upper surface, the left side surface and the right side surface of the vacuum insulation panel 100 by using a first coating machine 2 to form a self-protection coating 200, thereby completing three-surface coating;
s3, primary curing: curing the vacuum insulation panel 100 coated once to complete curing of the coated three sides;
s4, turning over: turning the vacuum insulation panel 100 which is cured once for 180 degrees and then turning 90 degrees in the horizontal direction;
s5, secondary coating: coating the lower surface, the front side surface and the rear side surface of the vacuum insulation panel 100 subjected to the turn-over treatment by using a second coating machine 7 to form a self-protection coating 200, and finishing the coating of the remaining three surfaces;
s6, secondary curing: and curing the vacuum insulation panel 100 subjected to secondary coating to finish curing the coated residual three surfaces, so as to obtain the self-protection vacuum insulation panel.
In this embodiment, the coating material is cement mortar, and the cement mortar is composed of the following components:
40 parts of Portland cement, 20 parts of gypsum powder, 30 parts of quartz sand, 2 parts of dispersed latex powder and 0.3 part of cellulose ether in the dry ash;
the water cement ratio of the cement mortar is 0.4.
The preparation process of the coating material is as follows:
mixing and stirring the components, wherein the stirring conditions are as follows: the rotating speed is 500r/min, and the time is 3 min.
In this embodiment, the thickness of the self-protective coating 200 is 1 mm.
In the present embodiment, the curing parameters of the primary curing and the secondary curing are: the temperature is controlled to be 70 ℃, internal hot air circulates, the curing time is 20min, the curing time is longer, the length of the curing equipment is correspondingly longer, the moving speed of the vacuum insulation panel is correspondingly slower during curing, and the moving speed of the vacuum insulation panel 100 is controlled to be 1 m/min.
As shown in fig. 1 to 7, the present embodiment implements the preparation of the vacuum insulation panel 100 using the following production line:
the production line sequentially comprises a first conveyor 1, a first coating machine 2, a second conveyor 3, a turnover machine 5, a 90-degree turning conveyor 6, a second coating machine 7 and a third conveyor 9 along the conveying direction;
the first conveyor 1 is used for conveying the vacuum insulation panel 100 to the first coating machine 2 and pushing the vacuum insulation panel to the second conveyor 3, and the distance between the first conveyor 1 and the second conveyor 3 is smaller than the length of the vacuum insulation panel 100;
the first coating machine 2 is used for coating the upper surface, the left side surface and the right side surface of the vacuum insulation panel 100 to form a self-protection coating 200;
a first curing machine 4 is arranged at the second conveyor 3 in a matching manner, and the first curing machine 4 is used for drying the self-protection coating 200 on the upper surface, the left side surface and the right side surface; the second conveyor 3 pushes the vacuum insulation panel 100 to the turnover machine 5;
the turnover machine 5 is used for turning over the vacuum insulation panel 100 by 180 degrees so that the lower surface of the vacuum insulation panel 100 faces upwards, and the turnover machine 5 conveys the vacuum insulation panel 100 to the 90-degree steering conveyor 6;
the 90 ° turning conveyor 6 is used for rotating the vacuum insulation panel 100 in a horizontal direction by 90 ° to convert the left side surface and the right side surface of the vacuum insulation panel 100 into a front side surface and a rear side surface, the 90 ° turning conveyor 6 conveys the vacuum insulation panel 100 to the second coating machine 7 and pushes the vacuum insulation panel to the third conveyor 9, and the distance between the 90 ° turning conveyor 6 and the third conveyor 9 is less than the length of the vacuum insulation panel 100;
the second coating machine 7 is used for coating the self-protection coating 200 on the lower surface, the front side surface and the rear side surface of the vacuum insulation panel 100;
a second curing machine 8 is arranged at the third conveyor 9 in a matching manner, and the second curing machine 8 is used for drying the self-protection coating 200 on the lower surface, the front side surface and the rear side surface.
In the present embodiment, the first coater 2 includes an upper tank 21 and a bottom plate 28;
the upper groove 21 and the bottom plate 28 are connected through two symmetrically arranged pillars 22, a channel for passing through the vacuum insulation panel 100 is formed between the two pillars 22, and the upper end surface of the bottom plate 28 is flush with the upper end surfaces of the first conveyor 1 and the second conveyor 3;
the upper tank 21 is used for storing coating materials, a plurality of upper nozzles 24 are arranged at the bottom of the upper tank 21, and the plurality of upper nozzles 24 are arranged between the two support columns 22 in a row;
the inner side walls of the two pillars 22 are respectively provided with a left nozzle 23 and a right nozzle 27; the upper nozzle 24, the left nozzle 23 and the right nozzle 27 are communicated with the upper groove 21;
the length of the base plate 28 is smaller than that of the vacuum insulation panel 100, and the second coater 7 has the same structure as the first coater 2.
The turnover machine 5 comprises a rotating shaft 53, and one end of the rotating shaft 53 is connected with a power output shaft of the motor 52;
the rotating shaft 53 is provided with a plurality of sleeves 54, the outer wall of each sleeve 54 is provided with at least one clamping mechanism 55, each clamping mechanism 55 comprises two limiting plates which are symmetrically arranged, and the distance between the two limiting plates is slightly larger than the thickness of the vacuum insulation panel 100; the gripping mechanisms 55 on the plurality of sleeves 54 are arranged on the same horizontal plane, and when the gripping mechanisms 55 are horizontally placed, they are on the same horizontal line with the upper end faces of the second conveyor 3 and the 90 ° turn conveyor 6;
the turnover machine 5 further comprises two supporting legs 51, a fixing plate 56 is arranged at the top of each supporting leg 51, and the rotating shaft 53 is rotatably arranged on the fixing plate 56.
The 90 ° turn conveyor 6 includes an L-shaped belt conveying mechanism 62.
In this embodiment, in order to facilitate the collection of the self-protecting vacuum insulation panels, a fourth conveyor 10 is further included, the fourth conveyor 10 is disposed at the rear end of the third conveyor 9, the distance between the third conveyor 9 and the fourth conveyor 10 is smaller than the length of the vacuum insulation panels 100, and the fourth conveyor 10 is used for conveying the self-protecting vacuum insulation panels to the collection mechanism.
In this embodiment, the first conveyor 1, the second conveyor 3, the third conveyor 9 and the fourth conveyor 10 may be belt-conveyed, and the first curing machine 4 and the second curing machine 8 may be an existing apparatus, and may be a thermosetting apparatus.
The present embodiment uses the first conveyor 1, the second conveyor 3, the third conveyor 9 and the fourth conveyor 10 to realize the conveyance of the vacuum insulation panel 100, and the working principle of the present embodiment is as follows:
under the transmission action of the first conveyor 1, when the vacuum insulation panel 100 is conveyed to the end of the first conveyor 1, one end of the vacuum insulation panel 100 is overlapped on the bottom plate 28 of the first coating machine 2, the vacuum insulation panel 100 moves forward on the bottom plate 28 under the pushing action of the first conveyor 1, when one end of the vacuum insulation panel 100 is pushed to protrude out of the bottom plate 28, the vacuum insulation panel 100 is overlapped on the second conveyor 3, under the pulling action of the second conveyor 3, the vacuum insulation panel 100 continues to move forward on the bottom plate 28 until the vacuum insulation panel 100 completely leaves the bottom plate 28, and the vacuum insulation panel 100 respectively coats the upper surface, the left side surface and the right side surface of the vacuum insulation panel 100 through the upper nozzle 24, the left nozzle 23 and the right nozzle 27 to form the self-protection coating 200 in the moving process.
When the vacuum insulation panel 100 enters the first curing machine 4 under the conveyance of the second conveyor 3, the drying of the self-protective coating 200 of the upper surface, the left side surface and the right side surface is achieved, after the drying is completed, the vacuum insulation panel 100 is conveyed to the end of the second conveyor 3, and when one end of the vacuum insulation panel 100 is pushed to protrude from the end of the second conveyor 3, one end of the vacuum insulation panel 100 enters the gap between the two limiting plates, under the pushing of the second conveyor 3, the vacuum insulation panel 100 completely enters the gap between the two limiting plates, at this time, the end of the vacuum insulation panel 100 protrudes out of the limiting plates, then, the rotating shaft 53 is rotated to rotate the opening direction of the clamping mechanism 55 upwards until the rotating shaft is rotated by 180 degrees, at this time, the upper surface of the vacuum insulation panel 100 sprayed with the protective coating 200 is disposed downward, meanwhile, the end part of the vacuum insulation panel 100 protruding out of the limit plate is lapped on the 90-degree steering conveyor 6.
The vacuum insulation panel 100 is conveyed on the 90-degree turning conveyor 6 until being placed at the tail end of the 90-degree turning conveyor 6, the end part of the vacuum insulation panel 100 is overlapped on the bottom plate 28 of the second coating machine 7, the vacuum insulation panel 100 moves forwards on the bottom plate 28 under the pushing action of the 90-degree turning conveyor 6, when one end of the vacuum insulation panel 100 is pushed to protrude out of the bottom plate 28, the vacuum insulation panel 100 is overlapped on the third conveyor 9, the vacuum insulation panel 100 continues to move forwards on the bottom plate 28 until the vacuum insulation panel 100 completely leaves the bottom plate 28 under the pulling action of the third conveyor 9, and the vacuum insulation panel 100 is coated on the lower surface, the front side surface and the rear side surface of the vacuum insulation panel 100 through the upper nozzle 24, the left nozzle 23 and the right nozzle 27 to form the self-protection coating 200 in the moving process.
When the vacuum insulation panel 100 enters the second curing machine 8 under the conveying of the third conveyor 9, the drying of the self-protective coating 200 on the lower surface, the front side surface and the rear side surface is realized, and after the drying is completed, the vacuum insulation panel 100 is conveyed to the tail end of the third conveyor 9, then is overlapped on the fourth conveyor 10, and is conveyed to a collection place.
Example 2:
as shown in fig. 1 to 7, in this embodiment, based on embodiment 1, the bottom plate 28 is a hollow structure, a hollow cavity is formed inside the bottom plate 28, and an upper end surface of the hollow cavity is a hollow structure; the hollow cavity is communicated with the upper groove 21 through a conveying pipeline 25, and a pump 26 is arranged on the conveying pipeline 25.
The spacing between the two plates decreases from the end away from the sleeve 54 to the other end, and the minimum spacing between the two plates is equal to the thickness of the vacuum insulation panel 100.
Example 3:
as shown in fig. 1 to 7, this embodiment is based on embodiment 1, and the 90 ° steering conveyor 6 includes a roller conveying mechanism 61, and the roller conveying mechanism 61 includes a fixed catch wheel 63, a roller 64, and a rotating shaft 65. The fixed catch wheel 63 is disposed on one side of the roller conveying mechanism 61 in the conveying direction of the upper end surface, and is used for reducing the speed of one side of the vacuum insulation panel 100, so that the vacuum insulation panel 100 starts to turn. The rollers 64 are fixed and locked on the rotating shaft 65 at equal intervals, and the rollers 64 rotate along with the rotating shaft 65 (one side of the rotating shaft 65 is connected with power, and the rotating shaft 65 drives the rollers 64 to rotate together). The rotating shaft 65 arranged at the front end of the fixed catch wheel 63 is perpendicular to the advancing direction of the vacuum insulation panel 100, the rotating shaft 65 arranged at the rear end of the fixed catch wheel 63 is obliquely arranged, so that the vacuum insulation panel 100 continuously turns, then 90-degree turning of the vacuum insulation panel 100 is realized under the action of the rotating shafts 65 which are obliquely arranged, after the vacuum insulation panel 100 finishes 90-degree turning, the rotating shaft 65 is perpendicular to the advancing direction of the vacuum insulation panel 100, finally, the vacuum insulation panel 100 stably advances on the roller conveying mechanism 61 without deviation, and the vacuum insulation panel can smoothly pass through the second coating machine 7.
Example 4:
this example is based on example 1, and differs from example 1 in that: the coating material is UV paint which consists of the following components:
UA 60620, UA 37815, UA 20215, EA 2218, TP + TM 12, 184+ TPO5, TEGO 4100.5 and xylene 30.
The preparation process of the coating material is as follows:
mixing and stirring the components, wherein the stirring conditions are as follows: the rotating speed is 300r/min, and the time is 3 min.
In this embodiment, the thickness of the self-protective coating 200 is 0.5 mm.
In this embodiment, the ultraviolet lamp is used for curing, and the curing parameters of the primary curing and the secondary curing are as follows: illumination intensity of 1200mW/cm2About, curing time 3s, curing time is shorter, and then the length of curing equipment will be short correspondingly, and the moving speed of vacuum insulation panel 100 is some fast relatively, controls the moving speed of vacuum insulation panel 100 to be 20 m/min.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (8)

1. The preparation method of the self-protection vacuum insulation panel is characterized by comprising the following steps of:
s1, preparing a coating material: preparing a coating material, conveying the coating material to a first coating machine (2) and a second coating machine (7);
s2, primary coating: coating the upper surface, the left side surface and the right side surface of the vacuum insulation panel (100) by using a first coating machine (2) to form a self-protection coating (200) so as to finish three-surface coating;
s3, primary curing: curing the vacuum insulation panel (100) coated once to finish curing the coated three surfaces;
s4, turning over: turning the vacuum insulation panel (100) which is cured once for 180 degrees and then turning the vacuum insulation panel in the horizontal direction for 90 degrees;
s5, secondary coating: coating the lower surface, the front side surface and the rear side surface of the vacuum insulation panel (100) subjected to turn-over treatment by using a second coating machine (7) to form a self-protection coating (200), and finishing the coating of the remaining three surfaces;
s6, secondary curing: and (3) curing the vacuum insulation panel (100) subjected to secondary coating to finish curing the coated residual three surfaces, so as to obtain the self-protection vacuum insulation panel.
2. The method for preparing a self-protecting vacuum insulation panel according to claim 1, wherein the coating material is selected from one of cement mortar, UV coating, PU coating, water-based coating and fire-retardant coating.
3. The method for preparing a self-protecting vacuum insulation panel according to claim 2, wherein the cement mortar comprises the following components:
35-55 parts of Portland cement, 15-25 parts of gypsum powder, 25-35 parts of quartz sand, 1-3 parts of dispersed latex powder and 0.1-1 part of cellulose ether in the dry ash;
the water-cement ratio of the cement mortar is 0.2-0.8.
4. The method of making a self-protecting vacuum insulation panel according to claim 2 wherein said UV coating comprises the following components: :
UA 60615-25 parts, UA 37815-25 parts, UA 20210-15 parts, EA 2215-10 parts, TP + TM 10-15 parts, 184+ TPO 3-5 parts, TEGO 4100-1 parts and xylene 20-40 parts.
5. The method of claim 1, wherein the coating material is prepared as follows in step S1:
mixing and stirring the components, wherein the stirring conditions are as follows: the rotating speed is 300-.
6. The method for preparing a self-protecting vacuum insulation panel according to claim 1, wherein the thickness of the self-protecting coating (200) is 0.1-3 mm.
7. The preparation method of the self-protection vacuum insulation panel according to claim 1, wherein a first curing machine (4) and a second curing machine (8) are respectively adopted for primary curing and secondary curing, and a first coating machine (2), the first curing machine (4), a turnover machine (5), a 90-degree turning conveyor (6), a second coating machine (7) and the second curing machine (8) are sequentially arranged according to the conveying direction, so that primary coating, primary curing, 180-degree turning, 90-degree turning in the horizontal direction, secondary coating and secondary curing are respectively realized.
8. The method for preparing a self-protecting vacuum insulation panel according to any one of claims 1 to 7, wherein the first curing and the second curing are both photo-curing or both thermal curing.
CN202110626417.9A 2021-06-04 2021-06-04 Preparation method of self-protection vacuum insulation panel Withdrawn CN113245162A (en)

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Application Number Priority Date Filing Date Title
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CN113245162A true CN113245162A (en) 2021-08-13

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