CN116423957B - Preparation method of folding waterproof multilayer honeycomb board - Google Patents
Preparation method of folding waterproof multilayer honeycomb board Download PDFInfo
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- CN116423957B CN116423957B CN202310406361.5A CN202310406361A CN116423957B CN 116423957 B CN116423957 B CN 116423957B CN 202310406361 A CN202310406361 A CN 202310406361A CN 116423957 B CN116423957 B CN 116423957B
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- 238000002360 preparation method Methods 0.000 title abstract description 18
- 238000004519 manufacturing process Methods 0.000 claims abstract description 23
- 230000017525 heat dissipation Effects 0.000 claims description 58
- 238000003825 pressing Methods 0.000 claims description 55
- 239000003292 glue Substances 0.000 claims description 32
- 230000007246 mechanism Effects 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 18
- 238000010438 heat treatment Methods 0.000 claims description 15
- 239000011248 coating agent Substances 0.000 claims description 12
- 238000000576 coating method Methods 0.000 claims description 12
- 238000005507 spraying Methods 0.000 claims description 11
- 230000009471 action Effects 0.000 claims description 9
- 238000004026 adhesive bonding Methods 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 6
- 238000005485 electric heating Methods 0.000 claims description 6
- 238000003892 spreading Methods 0.000 claims description 6
- 230000007480 spreading Effects 0.000 claims description 6
- 238000003475 lamination Methods 0.000 claims description 5
- 238000005498 polishing Methods 0.000 claims description 4
- 239000003963 antioxidant agent Substances 0.000 claims description 3
- 230000003078 antioxidant effect Effects 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 230000005855 radiation Effects 0.000 claims 1
- 238000012545 processing Methods 0.000 abstract description 2
- 239000000084 colloidal system Substances 0.000 description 10
- 230000008569 process Effects 0.000 description 8
- 238000001035 drying Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 238000013329 compounding Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
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
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
-
- 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
- B32B37/0007—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding involving treatment or provisions in order to avoid deformation or air inclusion, e.g. to improve surface quality
- B32B37/003—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding involving treatment or provisions in order to avoid deformation or air inclusion, e.g. to improve surface quality to avoid air inclusion
-
- 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
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- 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
- B32B37/1292—Application of adhesive selectively, e.g. in stripes, in patterns
-
- 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
- B32B41/00—Arrangements for controlling or monitoring lamination processes; Safety arrangements
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/0002—Inspection of images, e.g. flaw detection
- G06T7/0004—Industrial image inspection
- G06T7/001—Industrial image inspection using an image reference approach
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/60—Analysis of geometric attributes
- G06T7/62—Analysis of geometric attributes of area, perimeter, diameter or volume
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Quality & Reliability (AREA)
- Computer Vision & Pattern Recognition (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Fluid Mechanics (AREA)
- Geometry (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The invention relates to the technical field of honeycomb panel production and processing, in particular to a preparation method of a folding waterproof multilayer honeycomb panel.
Description
The invention relates to the technical field of honeycomb panel production and processing, in particular to a preparation method of a folding waterproof multilayer honeycomb panel.
Background
The honeycomb plate is composed of a plate and a honeycomb core structure, has good high strength and high specific stiffness, also has excellent bending stiffness and higher structural stability, and therefore, the honeycomb plate has wide application in the fields of aerospace, medical equipment, industrial equipment, architectural decoration and the like, has rapid development, and in recent years, the application of the honeycomb plate in various fields of civil industry in China is rapidly expanded, and the processing and preparation method related to the honeycomb plate is gradually improved so as to meet the application scene diversification of the honeycomb plate.
Chinese patent publication No.: CN106364131a discloses a method for preparing a honeycomb plate. The processing method comprises the following steps: cleaning the surface of a plate: cleaning the bonding surfaces of the honeycomb core, the aluminum plate and the fireproof plate; spreading glue: uniformly scraping glue on the bonding surface of the plate; stretching the honeycomb core: uniformly stretching the honeycomb core, wherein each small Kong Chengzheng hexagonal core is stretched; honeycomb panel combination: sequentially bonding an aluminum plate and a fireproof plate on two sides of the honeycomb core; honeycomb plate compounding: and pressing the combined honeycomb plates for compounding, and obtaining the honeycomb plates after the glue is solidified.
It can be seen that the following problems are present in the prior art,
in the prior art, the problem that bubbles are easy to generate in the colloid to cause the adhesion of the honeycomb core and the plate to be unstable and fall off is not considered, in addition, the honeycomb hole and the plate form a closed cavity in the pressing and curing process, the deviation between the cavity temperature at the edge of the plate and the cavity temperature at the center of the plate influences the bonding and curing effect, and the drying effect and the colloid curing effect of the center area and the edge area influence the production efficiency and the product quality in mass production.
Disclosure of Invention
In order to solve the above problems, the present invention provides a method for preparing a foldable waterproof multi-layer honeycomb panel, comprising:
step S1, polishing and cleaning bonding surfaces of a plate and a honeycomb core, and spraying glue on the bonding surfaces of the plate through a glue spraying unit;
s2, acquiring area images of different areas of a bonding surface of the plate through an image acquisition unit, and acquiring each area image through an upper computer so as to judge whether a corresponding area meets a gluing standard or not based on the total area of bubbles in each area image;
step S3, controlling a high-temperature roller to remove bubbles in a region which does not meet the gluing standard in the plate through an upper computer, wherein the bubble removal action comprises determining a temperature value and a moving speed of the high-temperature roller based on the total area of bubbles in the region, and controlling the high-temperature roller to attach the plate in the region to move at a corresponding moving speed;
s4, acquiring a honeycomb core image through an image acquisition unit, acquiring the honeycomb core image through an upper computer, determining the average value of the side length of a honeycomb hole in the honeycomb core, and judging the heat dissipation state of the honeycomb core based on the average value of the side length of the honeycomb hole;
step S5, the upper computer controls the pressing mechanism to press the plates adhered to the honeycomb core, wherein the step comprises the steps of determining the temperature difference value of each temperature area of the pressing plate of the pressing mechanism based on the heat dissipation state of the honeycomb core and controlling the pressing plate to press the plates adhered to the honeycomb core;
and S6, performing waterproof roll coating and antioxidant roll coating on the surface of the plate.
Further, in the step S2, an image acquisition unit acquires area images of different areas of the bonding surface of the plate, where each area is a rectangular area and has the same width as the high-temperature roller.
Further, in the step S2, the upper computer calculates the total area of bubbles in each area image based on each acquired area image, wherein,
and acquiring the outline of the air bubble in the single area image by the image acquisition unit, determining the area of each air bubble, and calculating the total area of the air bubble based on the area of each air bubble.
Further, in the step S2, each of the area images is acquired by the upper computer to determine whether the corresponding area meets the glue spreading standard based on the total area of the bubbles in each of the area images, wherein,
comparing the total area of the bubbles in the images of each area with a preset bubble reference area, and if the total area of the bubbles in the images of each area is larger than the bubble reference area, judging that the areas do not meet the glue spreading standard.
Further, in the step S3, the upper computer determines the temperature value of the high-temperature roller based on the total area of the bubbles in the area image, wherein,
comparing the total area of the bubbles in the area image with a preset first bubble comparison area and a preset second bubble comparison area through the upper computer, and determining the temperature value of the high-temperature roller according to the comparison result, wherein,
if the total area of the bubbles is smaller than or equal to the first bubble comparison area, the upper computer determines that the temperature value of the high-temperature roller is a first temperature value;
if the first bubble comparison area is smaller than the total bubble area and the total bubble area is smaller than the second bubble comparison area, the upper computer determines that the temperature value of the high-temperature roller is a second temperature value;
if the total area of the bubbles is larger than or equal to the second bubble comparison area, the upper computer determines that the temperature value of the high-temperature roller is a third temperature value;
the first bubble comparison area is smaller than the second bubble comparison area, the first temperature value is smaller than the second temperature value, and the second temperature value is smaller than the third temperature value.
Further, in the step S3, the movement speed of the high-temperature drum is determined by the upper computer based on the total area of the bubbles in the area image, wherein,
comparing the total area of the bubbles in the area image with the first bubble comparison area and the second bubble comparison area through the upper computer, and determining the moving speed of the high-temperature roller according to the comparison result, wherein,
if the total area of the bubbles is smaller than or equal to the first bubble comparison area, the upper computer determines that the moving speed of the high-temperature roller is the first moving speed;
if the first bubble comparison area is smaller than the total bubble area and the total bubble area is smaller than the second bubble comparison area, the upper computer determines that the moving speed of the high-temperature roller is the second moving speed;
if the total area of the bubbles is larger than or equal to the second bubble comparison area, the upper computer determines that the moving speed of the high-temperature roller is a third moving speed;
the first bubble comparison area is smaller than the second bubble comparison area, the first moving speed is smaller than the second moving speed, and the second moving speed is smaller than the third moving speed.
Further, in the step S4, an image of the honeycomb core is acquired by the image acquisition unit, the image of the honeycomb core is acquired by the upper computer, the average value of the side lengths of the honeycomb holes in the honeycomb core is determined, and the heat dissipation state of the honeycomb core is determined based on the average value of the side lengths of the honeycomb holes,
acquiring the honeycomb core image through the upper computer, determining the average value of the side lengths of the honeycomb holes in the honeycomb core, comparing the average value of the side lengths with a preset first side length comparison value and a second side length comparison value, judging the heat dissipation state of the honeycomb core according to the comparison result,
if the side length average value is smaller than or equal to the first side length comparison value, the upper computer judges that the heat dissipation state of the honeycomb core is a first heat dissipation state;
if the first side length comparison value is smaller than the side length average value and the side length average value is smaller than the second side length comparison value, the upper computer judges that the heat dissipation state of the honeycomb core is a second heat dissipation state;
if the side length average value is larger than or equal to the second side length comparison value, the upper computer judges that the heat dissipation state of the honeycomb core is a third heat dissipation state;
wherein the first side length to value is less than the second side length to value.
Further, in the step S5, the upper computer determines the temperature difference value of each temperature area of the pressing plate of the pressing mechanism based on the heat dissipation state of the honeycomb core, and controls the pressing plate to press the plate adhered on the honeycomb core, wherein,
the temperature area of the laminated plate comprises a first temperature area, a second temperature area and a third temperature area, wherein the first temperature area, the second temperature area and the third temperature area are annular areas taking the center of the laminated plate as a reference, the circular radius of the first temperature area is smaller than that of the second temperature area, the annular radius of the second temperature area is smaller than that of the third temperature area, and in heating, the temperature of the first temperature area is larger than that of the second temperature area and is larger than that of the third temperature area.
Further, in the step S5, the upper computer determines the temperature difference value of each temperature area of the pressing plate of the pressing mechanism based on the heat dissipation state of the honeycomb core, wherein,
if the heat dissipation state of the honeycomb holes is the first heat dissipation state, the upper computer determines that the temperature difference value is the first temperature difference value;
if the heat dissipation state of the honeycomb holes is the second heat dissipation state, the upper computer determines that the temperature difference value is the second temperature difference value;
if the heat dissipation state of the honeycomb holes is the third heat dissipation state, the upper computer determines that the temperature difference value is the third temperature difference value;
wherein the first temperature difference is greater than the second temperature difference, which is greater than the third temperature difference.
Further, the present invention provides a manufacturing apparatus of a manufacturing method of a folding waterproof multilayer honeycomb panel, characterized by comprising:
the glue spraying unit comprises a high-temperature nozzle connected with the glue storage tank through a pipeline and a pump arranged on the pipeline;
the image acquisition unit comprises a fixing frame and a camera which is arranged on the fixing frame and used for acquiring area images of different areas of the bonding surface of the plate and honeycomb core images;
the high-temperature roller is arranged on the mechanical arm and comprises a heat conduction shell capable of freely rotating and a thermocouple, wherein a plurality of heat conduction needles are arranged on the heat conduction shell, and the heat conduction shell and the heat conduction needles can be heated through the thermocouple;
the pressing mechanism comprises a pressing plate and a plurality of annular electric heating wires arranged in the pressing plate, so that each electric heating wire heats the pressing plate at different heating temperatures;
the upper computer is connected with the pressing mechanism, the image acquisition unit, the mechanical arm and the high-temperature roller and used for controlling the heating temperature of each region of the heating plate in the pressing mechanism, controlling the action of the mechanical arm, controlling the heating temperature of the thermocouple in the high-temperature roller and receiving the data of the image acquisition unit.
Compared with the prior art, the process for preparing the honeycomb plate comprises the steps of polishing and cleaning the plate and the honeycomb core, spraying glue on the plate by a glue spraying unit, acquiring an area image acquired by an image acquisition unit through an upper computer, judging whether a corresponding area accords with a glue coating standard or not based on the total area of bubbles in the area image, performing bubble removal action on the area which does not accord with the glue coating standard in the plate, determining the temperature value and the moving speed of a high-temperature roller based on the total area of the bubbles in the area, determining the edge length average value of the honeycomb holes through the upper computer, judging the heat dissipation state of the honeycomb core, determining the temperature difference value of each temperature area of the lamination plate of a lamination mechanism based on the heat dissipation state of the honeycomb core, and controlling the lamination plate to laminate the plate adhered on the honeycomb core.
In particular, the upper computer acquires the region image acquired by the image acquisition unit, identifies the outline of the air bubble in the region image, determines the area of each air bubble, calculates the total area of the air bubbles by accumulating the areas of each air bubble, compares the total area of the air bubble with the reference area of the air bubble, and judges whether the corresponding region meets the glue coating standard according to the comparison result, thereby realizing the accurate judgment of whether the bonding surface of the plate meets the glue coating standard.
Particularly, the bubbles in the colloid on the surface of the plate are removed through the high-temperature roller, in the practical situation, bubbles exist in the colloid due to uneven stirring and the like, the plate and the honeycomb core are not firmly adhered due to excessive colloid bubbles in the pressing and curing stage, the size of the total area of the bubbles is judged through the upper computer, the high-temperature roller is controlled to remove the bubbles at the corresponding moving speed and the temperature value according to the judging result, further, the removal of the colloid bubbles in the preparation process is realized, the production efficiency is improved during mass production, the honeycomb core and the plate are firmly adhered, and the speed and the quality of the honeycomb plate preparation are improved.
In particular, the temperature difference of each temperature area of the laminated board is determined by the upper computer, in the actual situation, as the honeycomb holes form a closed cavity in the laminating and curing process, the cavity temperature at the edge of the board is deviated from the cavity temperature at the center of the board, in addition, the glue solid state can cause the humidity in the laminated honeycomb board in the actual production process, in the natural drying process, the area close to the edge is easy to dry, the area close to the middle is not easy to dry due to the air circulation and the difference of the cavity temperature, and the influence is also reflected in the glue drying, so the upper computer is used for determining the heat dissipation state of the honeycomb hole image acquired by the image acquisition unit, and determining the temperature difference of each temperature area of the laminated board based on different heat dissipation states, further, the partition temperature control of the honeycomb boards with different apertures is realized in the preparation process, the honeycomb core and the board are more firmly adhered, the drying and solidification forming efficiency in the preparation process is improved, and the preparation speed and quality of the honeycomb board can be improved in the mass preparation.
Particularly, the laminated board is divided into the first temperature area, the second temperature area and the third temperature area, the first temperature area, the second temperature area and the third temperature area are annular areas taking the center of the laminated board as a reference, the circular radius of the first temperature area is smaller than that of the second temperature area, and the circular radius of the second temperature area is smaller than that of the third laminated area, so that the laminated board can realize the partition temperature control on the honeycomb boards with different apertures in the preparation process, the honeycomb cores and the boards are firmly adhered, and the preparation speed and quality of the honeycomb boards are improved.
Drawings
FIG. 1 is a step diagram of a method for manufacturing a foldable waterproof multi-layer honeycomb panel according to an embodiment of the invention;
FIG. 2 is a schematic diagram of temperature zone division according to an embodiment of the invention;
FIG. 3 is a schematic view of a high temperature drum structure according to an embodiment of the invention;
in the figure, 1: first temperature zone, 2: second temperature region, 3: third temperature zone, 4: thermocouple, 5: heat conduction casing, 6: a heat conducting needle.
Detailed Description
In order that the objects and advantages of the invention will become more apparent, the invention will be further described with reference to the following examples; it should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present invention, and are not intended to limit the scope of the present invention.
It should be noted that, in the description of the present invention, terms such as "upper," "lower," "left," "right," "inner," "outer," and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to the specific circumstances.
Referring to fig. 1, which is a step diagram of a method for preparing a folded waterproof multi-layer honeycomb panel according to an embodiment of the invention, the method for preparing a folded waterproof multi-layer honeycomb panel according to the invention comprises:
step S1, polishing and cleaning bonding surfaces of a plate and a honeycomb core, and spraying glue on the bonding surfaces of the plate through a glue spraying unit;
s2, acquiring area images of different areas of a bonding surface of the plate through an image acquisition unit, and acquiring each area image through an upper computer so as to judge whether a corresponding area meets a gluing standard or not based on the total area of bubbles in each area image;
step S3, controlling a high-temperature roller to remove bubbles in a region which does not meet the gluing standard in the plate through an upper computer, wherein the bubble removal action comprises determining a temperature value and a moving speed of the high-temperature roller based on the total area of bubbles in the region, and controlling the high-temperature roller to attach the plate in the region to move at a corresponding moving speed;
s4, acquiring a honeycomb core image through an image acquisition unit, acquiring the honeycomb core image through an upper computer, determining the average value of the side length of a honeycomb hole in the honeycomb core, and judging the heat dissipation state of the honeycomb core based on the average value of the side length of the honeycomb hole;
step S5, the upper computer controls the pressing mechanism to press the plates adhered to the honeycomb core, wherein the step comprises the steps of determining the temperature difference value of each temperature area of the pressing plate of the pressing mechanism based on the heat dissipation state of the honeycomb core and controlling the pressing plate to press the plates adhered to the honeycomb core;
and S6, performing waterproof roll coating and antioxidant roll coating on the surface of the plate.
Specifically, in the step S2, an image acquisition unit acquires area images of different areas of the bonding surface of the plate, where each area is a rectangular area and has the same width as the high-temperature roller.
Specifically, in the step S2, the upper computer calculates the total area of the bubbles in each area image based on each acquired area image, wherein,
and acquiring the outline of the air bubble in the single area image by the image acquisition unit, determining the area of each air bubble, and calculating the total area of the air bubble based on the area of each air bubble.
Specifically, as an embodiment, the above-mentioned process of determining the bubble area may be preferably performed such that the upper computer calculates the area Sa of the area image based on the end point coordinate values of the area image with the end point of the rectangular area of the area image as the origin, determines the rectangular area of the bubble based on the maximum abscissa X1, the minimum abscissa X2, the maximum ordinate Y1, and the minimum ordinate Y2 of the bubble in the area image, calculates the individual bubble area S based on the maximum abscissa X1, the minimum abscissa X2, the maximum ordinate Y1, and the minimum ordinate Y2 according to the formula (1),
S＝(X1-X2)·(Y1-Y2) (1)
and calculating the total area S' of the bubbles according to the formula (2),
wherein S1, S2 and S3. Sn are the areas of the 1 st, 2 nd and 3 … n bubbles, and n is the number of bubbles.
Specifically, in the step S2, each of the area images is acquired by the upper computer to determine whether the corresponding area meets the glue spreading standard based on the total area of the bubbles in each of the area images, wherein,
comparing the total area of the bubbles in each area image with a preset bubble reference area, and if the total area of the bubbles in the area image is larger than the bubble reference area, judging that the area does not accord with the glue spreading standard;
wherein the bubble reference area Sc is calculated according to formula (3),
Sc＝Sa·α (3)
where Sa is the area of the area image, those skilled in the art can calculate the area of the area image according to the endpoint coordinate values of the area image, α is a reference coefficient, and preferably, α=0.1.
Specifically, the upper computer acquires the region image acquired by the image acquisition unit, identifies the outline of the air bubble in the region image, determines the area of each air bubble, calculates the total area of the air bubbles by accumulating the areas of each air bubble, compares the total area of the air bubble with the reference area of the air bubble, and judges whether the corresponding region meets the glue coating standard according to the comparison result, thereby realizing the accurate judgment of whether the bonding surface of the plate meets the glue coating standard.
Specifically, in the step S3, the upper computer determines the temperature value of the high-temperature roller based on the total area of the bubbles in the area image, wherein,
comparing the total bubble area S ' in the area image with a preset first bubble comparison area S1' and a preset second bubble comparison area S2' through the upper computer, and determining the temperature value of the high-temperature roller according to the comparison result,
if the total bubble area S 'is smaller than or equal to the first bubble comparison area S1', the upper computer determines that the temperature value of the high-temperature roller is a first temperature value T1, and the upper computer determines that
If the first bubble comparison area S1 'is smaller than the total bubble area S', and the total bubble area S 'is smaller than the second bubble comparison area S2', the upper computer determines that the temperature value of the high-temperature roller is a second temperature value T2, and the upper computer determines that
If the total bubble area S 'is greater than or equal to the second bubble comparison area S2', the upper computer determines that the temperature value of the high-temperature roller is a third temperature value T3, where
Wherein T01 is a preset first adjustment temperature, T02 is a preset second adjustment temperature, T03 is a preset third adjustment temperature, T01 is more than or equal to 30 ℃ and less than or equal to T02 and less than or equal to 60 ℃, and T01, T02 and T03 can be set in an interval by a person skilled in the art;
preferably, in the above determination process, S1 '=0.25×sa and S2' =0.5×sa may be preset, where Sa is a region area of the region image.
Specifically, in the step S3, the upper computer determines the moving speed of the high-temperature roller based on the total area of the bubbles in the area image, wherein,
comparing the total bubble area S ' in the area image with the first bubble comparison area S1' and the second bubble comparison area S2' through the upper computer, and determining the moving speed of the high-temperature roller according to the comparison result,
if the total bubble area S 'is less than or equal to the first bubble comparison area S1', the upper computer determines that the moving speed of the high-temperature roller is a first moving speed V1,
if the first bubble comparison area S1 'is smaller than the total bubble area S', and the total bubble area S 'is smaller than the second bubble comparison area S2', the upper computer determines that the moving speed of the high-temperature roller is a second moving speed V2,
if the total bubble area S 'is greater than or equal to the second bubble comparison area S2', the upper computer determines that the moving speed of the high-temperature roller is a third moving speed V3,
wherein V0 is the current speed value, which can be set by those skilled in the art according to the production requirement, and preferably, S1 '=0.25×sa and S2' =0.5×sa can be preset in the above determination process.
The first bubble area comparison value S1 'is smaller than the second bubble area comparison value S2', the first moving speed V1 is smaller than the second moving speed V2, the second moving speed V2 is smaller than the third moving speed V3, V01 represents a preset first adjusting speed, V02 represents a preset second adjusting speed, V03 represents a preset third adjusting speed, and V01 is smaller than V02 and smaller than V03 is smaller than or equal to 4cm/S.
Preferably, in the above determination process, S1 '=0.25×sa and S2' =0.5×sa may be preset, where Sa is a region area of the region image.
Specifically, the bubbles in the colloid on the surface of the plate are removed through the high-temperature roller, in the actual situation, bubbles exist in the colloid due to uneven stirring and the like, the plate and the honeycomb core are not firmly adhered due to excessive colloid bubbles in the pressing and curing stage, the size of the total area of the bubbles is judged through the upper computer, the high-temperature roller is controlled to remove the bubbles at the corresponding moving speed and the temperature value according to the judging result, further, the removal of the colloid bubbles in the preparation process is realized, the production efficiency is improved during mass production, the honeycomb core and the plate are firmly adhered, and the speed and the quality of the honeycomb plate preparation are improved.
Specifically, in the step S4, an image acquisition unit acquires a honeycomb core image, the upper computer acquires the honeycomb core image, and the average value L' of the side lengths of the honeycomb holes is calculated according to the formula (4),
wherein L1, L2 and L3. Ln are side length values corresponding to the 1 st, 2 nd and 3 … n honeycomb holes, and n is the number of the collected honeycomb holes.
Specifically, in the step S4, the upper computer determines the heat dissipation state of the honeycomb core based on the average value of the side lengths of the honeycomb holes, wherein,
acquiring the honeycomb core image through the upper computer, determining a side length average value L 'of honeycomb holes in the honeycomb core, comparing the side length average value L' with a preset first side length comparison value L1 'and a second side length comparison value L2', judging the heat dissipation state of the honeycomb core according to the comparison result,
if the edge length average value L 'is smaller than or equal to the first edge length contrast value L1', the upper computer judges that the heat dissipation state of the honeycomb core is a first heat dissipation state;
if the first side length contrast value L1 'is smaller than the side length average value L', and the side length average value L 'is smaller than the second side length contrast value L2', the upper computer determines that the heat dissipation state of the honeycomb core is a second heat dissipation state;
if the side length average value L 'is greater than or equal to the second side length contrast value L2', the upper computer judges that the heat dissipation state of the honeycomb core is a third heat dissipation state;
wherein the first side length contrast value L1 'is smaller than the second side length contrast value L2'.
Specifically, as an embodiment, in the determination process, L1 '=6mm and L2' =10mm may be preset in the preparation of the aluminum honeycomb panel.
Specifically, in the step S5, the upper computer determines the temperature difference value of each temperature area of the pressing plate of the pressing mechanism based on the heat dissipation state of the honeycomb core, wherein,
if the heat dissipation state of the honeycomb holes is the first heat dissipation state, the upper computer determines that the temperature difference is a first temperature difference delta t1,
if the heat dissipation state of the honeycomb holes is the second heat dissipation state, the upper computer determines that the temperature difference is a second temperature difference delta t2,
if the heat dissipation state of the honeycomb holes is the third heat dissipation state, the upper computer determines that the temperature difference is a third temperature difference delta t3,
wherein, deltat 01 is a first standard temperature difference, deltat 01 is a second standard temperature difference, deltat 03 is a third standard temperature difference, and preferably, deltat 01 is more than or equal to 5 ℃ and less than Deltat 02 is less than Deltat 03 and less than or equal to 15 ℃, the first temperature difference Deltat 1 is greater than the second temperature difference Deltat 2, and the second temperature difference Deltat 2 is greater than the third temperature difference Deltat 3.
Specifically, the temperature difference of each temperature area of the laminated board is determined by the upper computer, in the actual situation, as the honeycomb holes form a closed cavity in the laminating curing process, the cavity temperature at the edge of the board is deviated from the cavity temperature at the center of the board, different honeycomb holes enable the heat dissipation capacity to be different, and the temperatures of different areas are also different, in the actual production process, the glue curing can cause the humidity in the laminated honeycomb board, in the natural drying process, the area close to the edge is easy to dry, the area close to the middle is difficult to dry due to the air circulation and the difference of the cavity temperature, and the influence is also reflected in the glue drying.
Specifically, referring to fig. 2, which is a schematic diagram illustrating temperature area division of an embodiment of the invention, in step S5, a temperature difference of each temperature area of a pressing plate of a pressing mechanism is determined by an upper computer based on a heat dissipation state of the honeycomb core, and the pressing plate is controlled to press the plate adhered to the honeycomb core,
the temperature areas of the laminated plate comprise a first temperature area 1, a second temperature area 2 and a third temperature area 3, wherein the first temperature area 1, the second temperature area 2 and the third temperature area 3 are annular areas based on the center of the laminated plate, the circular radius of the first temperature area 1 is smaller than the circular radius of the second temperature area 2, the circular radius of the second temperature area 2 is smaller than the circular radius of the third temperature area 3, and when heating, the temperature of the first temperature area 1 is larger than the temperature 2 of the second temperature area and is larger than the temperature 3 of the third temperature area, and the temperature of the first temperature area is 30-45 ℃, preferably 35 ℃.
Particularly, the method and the device divide the laminated board into the first temperature region 1, the second temperature region 2 and the third temperature region 3, so that the laminated board can realize the partition temperature control on the honeycomb boards with different apertures in the preparation process, the honeycomb cores and the boards can be firmly adhered, and the preparation speed and quality of the honeycomb boards can be improved.
Specifically, referring to fig. 3, which is a schematic view of a high-temperature roller structure according to an embodiment of the invention, the invention further provides a manufacturing apparatus of a foldable waterproof multi-layer honeycomb board, which includes:
the glue spraying unit comprises a high-temperature nozzle connected with the glue storage tank through a pipeline and a pump arranged on the pipeline;
the image acquisition unit comprises a fixing frame and a camera which is arranged on the fixing frame and used for acquiring area images of different areas of the bonding surface of the plate and honeycomb core images;
the high-temperature roller is arranged on the mechanical arm and comprises a heat conduction shell 5 capable of freely rotating and a thermocouple 4, a plurality of heat conduction needles 6 are arranged on the heat conduction shell 5, and the heat conduction shell 5 and the heat conduction needles 6 can be heated through the thermocouple 4;
the pressing mechanism comprises a pressing plate and a plurality of annular electric heating wires arranged in the pressing plate, so that each electric heating wire heats the pressing plate at different heating temperatures;
the upper computer is connected with the pressing mechanism, the image acquisition unit, the mechanical arm and the high-temperature roller and used for controlling the heating temperature of each region of the heating plate in the pressing mechanism, controlling the action of the mechanical arm, controlling the heating temperature of the thermocouple 4 in the high-temperature roller and receiving the data of the image acquisition unit.
Specifically, the pressing mechanism further comprises a pressing machine to drive the pressing plates, two pressing plates can be arranged in practical application, one pressing plate is determined by the pressing machine, the other pressing plate is placed on the platform to press the plates adhered to two sides of the honeycomb plates, and the pressing mechanism is in the prior art and is not repeated.
Specifically, the upper computer can control the movement of the mechanical arm to further control the action of the high-temperature roller to perform the bubble removal action, and the control of the mechanical arm and the structure of the mechanical arm are not particularly limited, and are not described herein.
Thus far, the technical solution of the present invention has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present invention is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present invention, and such modifications and substitutions will be within the scope of the present invention.
The foregoing description is only of the preferred embodiments of the invention and is not intended to limit the invention; various modifications and variations of the present invention will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A method for preparing a foldable waterproof multi-layer honeycomb panel, which is characterized by comprising the following steps:
step S1, polishing and cleaning bonding surfaces of a plate and a honeycomb core, and spraying glue on the bonding surfaces of the plate through a glue spraying unit;
s2, acquiring area images of different areas of a bonding surface of the plate through an image acquisition unit, and acquiring each area image through an upper computer so as to judge whether a corresponding area meets a gluing standard or not based on the total area of bubbles in each area image;
calculating, by the upper computer, a total area of bubbles in each region image based on each of the acquired region images, wherein,
acquiring the outline of the air bubble in the single area image through the image acquisition unit, determining the area of each air bubble, and calculating the total area of the air bubble based on the area of each air bubble;
acquiring each region image by the upper computer to judge whether the corresponding region meets the gluing standard based on the total area of bubbles in each region image, wherein,
comparing the total area of the bubbles in each area image with a preset bubble reference area, and if the total area of the bubbles in the area image is larger than the bubble reference area, judging that the area does not accord with the glue spreading standard;
step S3, controlling a high-temperature roller to remove bubbles in a region which does not meet the gluing standard in the plate through an upper computer, wherein the bubble removal action comprises determining a temperature value and a moving speed of the high-temperature roller based on the total area of bubbles in the region, and controlling the high-temperature roller to attach the plate in the region to move at a corresponding moving speed;
determining the temperature value of the high-temperature roller by the upper computer based on the total area of the bubbles in the area image, wherein,
comparing the total area of the bubbles in the area image with a preset first bubble comparison area and a preset second bubble comparison area through the upper computer, and determining the temperature value of the high-temperature roller according to the comparison result, wherein,
if the total area of the bubbles is smaller than or equal to the first bubble comparison area, the upper computer determines that the temperature value of the high-temperature roller is a first temperature value;
if the first bubble comparison area is smaller than the total bubble area and the total bubble area is smaller than the second bubble comparison area, the upper computer determines that the temperature value of the high-temperature roller is a second temperature value;
if the total area of the bubbles is larger than or equal to the second bubble comparison area, the upper computer determines that the temperature value of the high-temperature roller is a third temperature value;
wherein the first bubble contrast area is smaller than the second bubble contrast area, the first temperature value is smaller than the second temperature value, and the second temperature value is smaller than the third temperature value;
s4, acquiring a honeycomb core image through an image acquisition unit, acquiring the honeycomb core image through an upper computer, determining the average value of the side length of a honeycomb hole in the honeycomb core, and judging the heat dissipation state of the honeycomb core based on the average value of the side length of the honeycomb hole;
step S5, the upper computer controls the pressing mechanism to press the plates adhered to the honeycomb core, wherein the step comprises the steps of determining the temperature difference value of each temperature area of the pressing plate of the pressing mechanism based on the heat dissipation state of the honeycomb core and controlling the pressing plate to press the plates adhered to the honeycomb core;
and S6, performing waterproof roll coating and antioxidant roll coating on the surface of the plate.
2. The method for producing a foldable waterproof multi-layered honeycomb panel according to claim 1, wherein in the step S2, the image acquisition unit acquires the area images of different areas of the bonding surface of the panel, and each area is a rectangular area and has the same width as the high-temperature roller.
3. The method for manufacturing a folded waterproof multi-layered honeycomb panel according to claim 1, wherein in the step S3, the moving speed of the high-temperature drum is determined by the upper computer based on the total area of bubbles in the area image, wherein,
comparing the total area of the bubbles in the area image with the first bubble comparison area and the second bubble comparison area through the upper computer, and determining the moving speed of the high-temperature roller according to the comparison result, wherein,
if the total area of the bubbles is smaller than or equal to the first bubble comparison area, the upper computer determines that the moving speed of the high-temperature roller is the first moving speed;
if the first bubble comparison area is smaller than the total bubble area and the total bubble area is smaller than the second bubble comparison area, the upper computer determines that the moving speed of the high-temperature roller is the second moving speed;
if the total area of the bubbles is larger than or equal to the second bubble comparison area, the upper computer determines that the moving speed of the high-temperature roller is a third moving speed;
the first bubble comparison area is smaller than the second bubble comparison area, the first moving speed is smaller than the second moving speed, and the second moving speed is smaller than the third moving speed.
4. The method for manufacturing a foldable waterproof multi-layered honeycomb panel according to claim 1, wherein in the step S4, a honeycomb core image is acquired by an image acquisition unit, the honeycomb core image is acquired by the host computer and a side length average value of honeycomb holes in the honeycomb core is determined, and a heat radiation state of the honeycomb core is determined based on the side length average value of the honeycomb holes, wherein,
acquiring the honeycomb core image through the upper computer, determining the average value of the side lengths of the honeycomb holes in the honeycomb core, comparing the average value of the side lengths with a preset first side length comparison value and a second side length comparison value, judging the heat dissipation state of the honeycomb core according to the comparison result,
if the side length average value is smaller than or equal to the first side length comparison value, the upper computer judges that the heat dissipation state of the honeycomb core is a first heat dissipation state;
if the first side length comparison value is smaller than the side length average value and the side length average value is smaller than the second side length comparison value, the upper computer judges that the heat dissipation state of the honeycomb core is a second heat dissipation state;
if the side length average value is larger than or equal to the second side length comparison value, the upper computer judges that the heat dissipation state of the honeycomb core is a third heat dissipation state;
wherein the first side length to value is less than the second side length to value.
5. The method for producing a foldable waterproof multilayer honeycomb panel according to claim 4, wherein,
in the step S5, the upper computer determines the temperature difference value of each temperature area of the pressing plate of the pressing mechanism based on the heat dissipation state of the honeycomb core, and controls the pressing plate to press the plates adhered on the honeycomb core, wherein,
the temperature area of the laminated plate comprises a first temperature area, a second temperature area and a third temperature area, wherein the first temperature area, the second temperature area and the third temperature area are annular areas taking the center of the laminated plate as a reference, the circular radius of the first temperature area is smaller than that of the second temperature area, the annular radius of the second temperature area is smaller than that of the third temperature area, and in heating, the temperature of the first temperature area is larger than that of the second temperature area and is larger than that of the third temperature area.
6. The method for manufacturing a foldable waterproof multi-layered honeycomb panel according to claim 5, wherein in the step S5, the temperature difference of each temperature area of the lamination plate of the lamination mechanism is determined by the upper computer based on the heat dissipation state of the honeycomb core, wherein,
if the heat dissipation state of the honeycomb holes is the first heat dissipation state, the upper computer determines that the temperature difference value is the first temperature difference value;
if the heat dissipation state of the honeycomb holes is the second heat dissipation state, the upper computer determines that the temperature difference value is the second temperature difference value;
if the heat dissipation state of the honeycomb holes is the third heat dissipation state, the upper computer determines that the temperature difference value is the third temperature difference value;
wherein the first temperature difference is greater than the second temperature difference, which is greater than the third temperature difference.
7. A production apparatus applied to the production method of the folded waterproof multilayer honeycomb panel according to any one of claims 1 to 6, characterized by comprising:
the glue spraying unit comprises a high-temperature nozzle connected with the glue storage tank through a pipeline and a pump arranged on the pipeline;
the image acquisition unit comprises a fixing frame and a camera which is arranged on the fixing frame and used for acquiring area images of different areas of the bonding surface of the plate and honeycomb core images;
the high-temperature roller is arranged on the mechanical arm and comprises a heat conduction shell capable of freely rotating and a thermocouple, wherein a plurality of heat conduction needles are arranged on the heat conduction shell, and the heat conduction shell and the heat conduction needles can be heated through the thermocouple;
the pressing mechanism comprises a pressing plate and a plurality of annular electric heating wires arranged in the pressing plate, so that each electric heating wire heats the pressing plate at different heating temperatures;
the upper computer is connected with the pressing mechanism, the image acquisition unit, the mechanical arm and the high-temperature roller and used for controlling the heating temperature of each region of the heating plate in the pressing mechanism, controlling the action of the mechanical arm, controlling the heating temperature of the thermocouple in the high-temperature roller and receiving the data of the image acquisition unit.
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Denomination of invention: A preparation method for folding waterproof multi-layer honeycomb board Granted publication date: 20231103 Pledgee: Industrial and Commercial Bank of China Limited Jiaxing Xiuzhou Branch Pledgor: Zhejiang dingshanmei integrated home furnishing Co.,Ltd. Registration number: Y2024980015488 |