CN117183084B - Manufacturing method of sandwich external wall panel with VIP (VIP) board composite heat insulation layer - Google Patents
Manufacturing method of sandwich external wall panel with VIP (VIP) board composite heat insulation layer Download PDFInfo
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- CN117183084B CN117183084B CN202311465822.2A CN202311465822A CN117183084B CN 117183084 B CN117183084 B CN 117183084B CN 202311465822 A CN202311465822 A CN 202311465822A CN 117183084 B CN117183084 B CN 117183084B
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- 239000002131 composite material Substances 0.000 title claims abstract description 44
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 25
- 238000009413 insulation Methods 0.000 title claims description 52
- 229920002635 polyurethane Polymers 0.000 claims abstract description 156
- 239000004814 polyurethane Substances 0.000 claims abstract description 156
- 239000006260 foam Substances 0.000 claims abstract description 155
- 239000010410 layer Substances 0.000 claims abstract description 81
- 238000012545 processing Methods 0.000 claims abstract description 24
- 238000013461 design Methods 0.000 claims abstract description 22
- 230000002093 peripheral effect Effects 0.000 claims abstract description 16
- 239000011241 protective layer Substances 0.000 claims abstract description 15
- 238000010008 shearing Methods 0.000 claims description 33
- 238000000034 method Methods 0.000 claims description 20
- 238000004873 anchoring Methods 0.000 claims description 18
- 238000010276 construction Methods 0.000 claims description 12
- 239000011162 core material Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 12
- 239000011810 insulating material Substances 0.000 claims description 6
- 239000012774 insulation material Substances 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 5
- 239000004964 aerogel Substances 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 230000002159 abnormal effect Effects 0.000 claims description 2
- 239000012528 membrane Substances 0.000 claims description 2
- 238000004321 preservation Methods 0.000 abstract description 7
- 238000005265 energy consumption Methods 0.000 description 7
- 229920000742 Cotton Polymers 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000779 depleting effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/24—Structural elements or technologies for improving thermal insulation
- Y02A30/242—Slab shaped vacuum insulation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B80/00—Architectural or constructional elements improving the thermal performance of buildings
- Y02B80/10—Insulation, e.g. vacuum or aerogel insulation
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- Building Environments (AREA)
- Laminated Bodies (AREA)
Abstract
The manufacturing method of the sandwich external wall panel with the VIP plate composite heat preservation layer comprises the following steps of firstly, dividing a first rectangular grid on a design drawing of an external leaf plate, and numbering the first rectangular grid; dividing a second rectangular grid on the design drawing of each inner rigid foam polyurethane plate, and numbering the second rectangular grid; step three, processing an inner hard foam polyurethane plate and an outer hard foam polyurethane plate, splicing the inner hard foam polyurethane plate and splicing the outer hard foam polyurethane plate; fourthly, processing the VIP plate, bonding the VIP plate to the outer surface of the inner rigid foam polyurethane plate, and wrapping the heat-insulating protective layer around the peripheral edge of the VIP plate layer; bonding the outer rigid foam polyurethane board on the outer surface of the VIP board layer; step six, prefabricating an outer blade plate; and seventhly, pouring the inner blade plate. The invention solves the technical problems that the VIP plate layer in the traditional sandwich external wall panel is difficult to combine with the prefabricated part well, the processing and mounting difficulties of the external wall panel are large, and the manufacturing efficiency is low.
Description
Technical Field
The invention belongs to the technical field of building engineering construction, and particularly relates to a manufacturing method of a sandwich external wall panel of a VIP (vacuum insulation panel) plate composite heat-insulating layer.
Background
Along with the synchronous development of an assembly type and ultra-low energy consumption building system, the assembly type and ultra-low energy consumption building is used as a new building form greatly popularized by the nation, and the concept of assembly type and ultra-low energy consumption becomes a hot spot in the building field under the current double-carbon target. The energy-saving key is that the technology of the precast concrete sandwich heat-insulating outer wall is combined with the precast shear wall system. The external wall panel of the traditional heat-insulating board is thick and heavy in whole in the ultra-low energy consumption building, and the processing and installation difficulties of the external wall panel are large, so that a plurality of heat-insulating protection layers comprising the vacuum heat-insulating board are adopted, the construction of pasting the heat-insulating layers is complex, the manufacturing efficiency of the external wall panel is low, and the vacuum heat-insulating board has the characteristic of incapability of cutting and perforating and large deep typesetting difficulty.
Disclosure of Invention
The invention aims to provide a manufacturing method of a sandwich external wall panel with a VIP (VIP) plate composite heat insulation layer, which aims to solve the technical problems that a large number of tensile connecting pieces in the traditional sandwich external wall panel cannot avoid the VIP plate layer, so that the VIP plate layer is difficult to combine with a prefabricated part well, the processing and mounting difficulties of the sandwich external wall panel are high, and the manufacturing efficiency is low.
In order to achieve the above purpose, the present invention adopts the following technical scheme.
A method for manufacturing a sandwich external wall panel with a VIP (vacuum insulation panel) composite heat insulation layer comprises the steps of arranging an inner leaf plate, an outer leaf plate and a composite heat insulation plate between the inner leaf plate and the outer leaf plate; the inner blade plate and the outer blade plate are rectangular and annular, first through holes are respectively formed in the plate surfaces of the left side and the right side of the inner blade plate, and shearing resistant connecting pieces are arranged on the plate surfaces of the outer blade plate at intervals; the shearing-resistant connecting piece comprises a pre-buried plate and an anchoring rib; the embedded plate is perpendicular to the plate surface of the outer blade plate, the outer end of the embedded plate is embedded in the outer blade plate, and the inner end of the embedded plate exceeds the inner surface of the outer blade plate and is anchored in the inner blade plate; the two groups of anchoring ribs are respectively arranged at the positions of the embedded plates in the inner leaf plates; the composite heat-insulating board comprises an inner hard foam polyurethane board, a VIP board layer and an outer hard foam polyurethane board; the inner rigid foam polyurethane plate is in a rectangular ring shape, is attached to the outer side of the inner blade plate, and is provided with a second perforation at a position corresponding to the first perforation; the inner hard foam polyurethane plates are formed by splicing a group of inner hard foam polyurethane plates; the VIP plate layer is in a rectangular ring shape and is adhered to the outer side surface of the inner rigid foam polyurethane plate, and a third perforation is arranged on the VIP plate layer at a position corresponding to the second perforation; the VIP plate layer is formed by splicing a group of VIP plates, and the vertical section sizes of the VIP plates are not equal; the third perforation is positioned at a plate seam of the VIP plate; the peripheral edges of the inner hard foam polyurethane board correspondingly exceed the peripheral edges of the VIP board layer, and the peripheral side surfaces of the VIP board layer are wrapped with a heat-insulating protective layer; the outer rigid foam polyurethane board is rectangular and annular and is attached to the outer side surface of the VIP board layer; a fourth perforation is arranged on the outer rigid foam polyurethane plate at a position corresponding to the third perforation; the outer hard foam polyurethane plates are formed by splicing a group of outer hard foam polyurethane plates; the size of the VIP plate is smaller than the size of the outer hard foam polyurethane plate and the size of the inner hard foam polyurethane plate; the outer rigid foam polyurethane board of the composite heat-insulating board is adhered to the inner side surface of the outer leaf board, and the shearing-resistant connecting piece is arranged corresponding to the splicing seam of the VIP board; the inner ends of the embedded plates in the shearing-resistant connecting piece penetrate through the splice joint of the adjacent VIP plates and are anchored into the inner leaf plates; tensile connecting pieces are arranged on the inner side surface of the outer blade plate at intervals along the circumferential direction, and the inner ends of the tensile connecting pieces pass through the splice seams of the adjacent VIP plates and are anchored into the inner blade plate; and a fifth perforation is arranged on the plate surface of the outer blade plate at a position corresponding to the fourth perforation.
The manufacturing method comprises the following steps.
Dividing first rectangular grids with different sizes on a design drawing of an outer leaf plate on the premise that the maximum size of the designed composite heat-insulating plate is not exceeded by taking the position of an embedded plate of a designed shearing-resistant connecting piece and the corner position of a door and window opening in the designed outer leaf plate as boundary lines, wherein each first rectangular grid corresponds to one inner rigid foam polyurethane plate and one outer rigid foam polyurethane plate, and numbering the first rectangular grids with different sizes so as to facilitate subsequent construction operation; when the first rectangular grids are divided, the positions of the design embedded plates are correspondingly arranged with the coincident edges of the adjacent first rectangular grids.
Dividing second rectangular grids with different sizes on a design drawing of each inner rigid foam polyurethane plate by taking the position of a pull rod in a designed tensile connecting piece and the position of a second perforation arranged on the designed inner rigid foam polyurethane plate as dividing lines on the premise that the maximum size of the VIP plate is not exceeded, wherein each second rectangular grid corresponds to one VIP plate; numbering the second rectangular grids with different sizes, so that the subsequent construction operation is facilitated; when the second rectangular grid is divided, the positions of the design pull rods are arranged corresponding to the overlapped edges of the adjacent second rectangular grids, and part of the second perforations are arranged corresponding to the cross intersection points of the rectangular grids.
Step three, processing an inner hard foam polyurethane plate and an outer hard foam polyurethane plate, and splicing and connecting the inner hard foam polyurethane plate according to the serial number of the first rectangular grid to obtain an inner hard foam polyurethane plate, wherein the four sides of the inner hard foam polyurethane plate are smaller than the designed four sides of the inner hard foam polyurethane plate by 5mm; meanwhile, the outer rigid foam polyurethane plates are spliced and connected according to the serial numbers of the first rectangular grids to obtain the outer rigid foam polyurethane plates, the four sides of the outer rigid foam polyurethane plates which are actually obtained are smaller than the designed outer rigid foam polyurethane plates by 5mm, and the situation that the overall sizes of the inner rigid foam polyurethane plates and the outer rigid foam polyurethane plates are bigger is avoided, so that the field installation is difficult is avoided.
And fourthly, processing VIP plates with different sizes, bonding the VIP plates to the outer surface of the inner rigid foam polyurethane plate according to the number of the second rectangular lattice to obtain a VIP plate layer, respectively making negative deviations of 3-5 mm on the four sides of the VIP plate layer, and then wrapping the thermal insulation protective layer on the peripheral edges of the VIP plate layer to enable the outer surface of the wrapped thermal insulation protective layer to be flush with the edge of the inner rigid foam polyurethane plate.
And fifthly, adhering the spliced outer hard foam polyurethane board on the outer surface of the VIP board layer through glue spraying, and pressing and processing the outer hard foam polyurethane board into the composite heat-insulating board by using a pre-pressing machine.
Step six, prefabricating the outer leaf plate, embedding the shearing-resistant connecting piece and the tensile connecting piece in the positions of the shearing-resistant connecting piece and the tensile connecting piece which are correspondingly designed in the outer leaf plate, arranging the composite heat-insulating plate on the inner side of the outer leaf plate according to the number, and enabling the shearing-resistant connecting piece and the tensile connecting piece to pass through the composite heat-insulating plate respectively.
And seventhly, supporting a die on the inner side of the composite heat-insulating plate, connecting the die by a drawknot through a drawknot piece penetrating through the through hole, and pouring the inner leaf plate until the construction is finished.
Preferably, the anchoring ribs are welded and connected to the plate surface of the embedded plate and are close to the inner end.
Preferably, the length of the VIP plate is 100 mm-800 mm, and the width of the VIP plate is 100 mm-800 mm; the VIP plate comprises a vacuum plate core material and a vacuum plate membrane material; the vacuum plate core material is rectangular and blocky and is made of aerogel; the vacuum board film material is wrapped on the outer surface of the vacuum board core material, and the vacuum board film material adopts a galvanized film.
Preferably, gaps are arranged on the VIP plate layer at intervals along the inner side edge; the position of the notch corresponds to the second perforation, and the notch is filled with a heat-insulating material; the third perforation is left in the heat-insulating material.
Preferably, the tensile connector comprises a pull rod; the number of the pull rods is two, and the two pull rods are arranged in parallel at intervals; the ends of the pull rods are respectively bent to form an anchoring section, and one ends of the two pull rods are correspondingly connected; one end of the pull rod is embedded into the inner leaf plate, and the other end of the pull rod is embedded into the outer leaf plate; the tensile connector passes through the gap between the two VIP plates of the VIP plate layer.
Preferably, in the second step, first, dividing a second rectangular grid according to the size of the standard VIP plate on the design drawing of the inner rigid foam polyurethane plate; and dividing a second rectangular lattice with a non-standard size on the rest part on the design drawing of the inner rigid foam polyurethane plate so as to reduce the number of the abnormal plates and improve the production and processing efficiency.
Preferably, in the second step, when the second rectangular grid is divided on the design drawing of the inner rigid foam polyurethane plate, the position of the cross intersection point of the second rectangular grid corresponds to the position of the second perforation as far as possible; and when the positions of the second perforation cannot correspond to the cross points of the four second rectangular grids, marking the notch positions of the VIP plate layers on the outer side surface of the inner rigid foam polyurethane plate at the positions corresponding to the second perforation.
Preferably, in the third step, when the inner rigid foam polyurethane board and the outer rigid foam polyurethane board are manufactured, a second perforation is arranged on the inner rigid foam polyurethane board, and the position and the size of the shearing resistant connecting piece are marked; meanwhile, a fourth perforation is arranged on the outer hard foam polyurethane plate, and the position and the size of the shearing resistant connecting piece are marked.
Compared with the prior art, the invention has the following characteristics and beneficial effects.
1. The prefabricated sandwich external wall panel is used for the ultra-low energy consumption project, has high heat preservation performance requirement, adopts three layers of integration of the VIP vacuum heat insulation board and the hard foam polyurethane heat insulation board, can greatly reduce the thickness of the heat preservation protective layer, realizes the integral prefabrication of the outer wall of the external wall panel structure, the external heat preservation and the decorative layer, and can improve the processing efficiency of the prefabricated external wall panel; the VIP vacuum heat insulation board is positioned in the middle of the sandwich external wall board, and the two layers of hard foam polyurethane boards play a role in protecting the VIP vacuum heat insulation board.
2. The VIP plate is a vacuum heat-insulating material, and is formed by compounding a vacuum plate core material and a vacuum plate film material, and the application of the vacuum heat-insulating plate can enable the wall body of the vacuum heat-insulating plate to be thinned, so that the thickness and the dead weight of an outer blade plate are reduced. Because the vacuum insulation board belongs to a vacuum product, the vacuum degree of the vacuum insulation board cannot be damaged and punctured in the using process. In the prior assembled prefabricated component, the vacuum insulation panel is not required to be cut and perforated, so that a large number of tensile connecting pieces in the component cannot be avoided, and the vacuum insulation panel is difficult to combine with the prefabricated component well. The vacuum insulation panels are provided with holes in a modularized mode, and part of VIP plates are subjected to chamfering treatment, wherein the chamfering bevel edge is a straight line or an arc line, and when the chamfering is a straight line, the spliced hole-shaped structure is diamond; when the chamfer is an arc, the spliced hole-shaped structure is circular. Meanwhile, gaps are arranged on the VIP plate layer at intervals along the inner side edge; the position of the notch corresponds to the second perforation, and the notch is filled with a heat-insulating material; and integrating the VIP plate layer with the non-vacuum heat insulation materials to form the vacuum heat insulation plate composite heat insulation plate applied to the assembled ultralow energy consumption building. This compound heated board processes according to drawing after optimizing, and prefabricated component lays according to the drawing in the production process, and the VIP sheet layer effectively avoids the tensile connecting piece such as needle, board-like, cylinder in the design drawing to and to the broaching position in the component, reduced compound heated board's the processing of opening, reduce the processing degree of difficulty, improve the heat preservation effect.
3. The peripheral side surfaces of the VIP plate layers are wrapped with the heat-insulating protective layers, and the heat-insulating protective materials are made of rubber-plastic cotton and other materials with good heat-insulating performance and elastic modulus and are provided with self-adhesive, so that the vacuum heat-insulating plate can be protected from being knocked and pierced, and meanwhile, heat loss at the plate joint is reduced. In addition, under the condition of meeting the thermal requirement, the invention can partially fill the thermal insulation materials with better thermal insulation performance such as polyurethane on the VIP plate layer at the position corresponding to the second perforation of the notch; in the prefabricated part processing process, the part can be directly mechanically perforated, so that the construction operation difficulty is reduced.
4. The aerogel heat-insulating layer sandwich external wall panel has excellent heat-insulating performance in a building system combining assembly type and ultra-low energy consumption building, and can greatly reduce the thickness of the heat-insulating protective layer, and the thickness of the external leaf plate is reduced along with the thickness of the heat-insulating protective layer, so that the whole thickness of the wall body is greatly reduced. Meanwhile, the fireproof grade of the vacuum insulation board is A, fireproof measures are not needed, and the vacuum insulation board has the advantages of thinning components, lightening weight, lightening load of drawknot parts, enhancing earthquake resistance and reducing use of wall tensile connectors. To sum up, the processing costs for the prefabricated parts can be further reduced. After the composite heat-insulating plate is integrated, the size can be processed according to the requirements of the components, the size is not limited any more, the size of the plate is enlarged, and the installation efficiency is improved. And in the transportation process, the breakage rate of the vacuum insulation panel is reduced.
Drawings
The invention is described in further detail below with reference to the accompanying drawings.
FIG. 1 is a schematic view of the structure of the outer blade with the shear connector according to the present invention.
FIG. 2 is a schematic structural view of an inner rigid foam polyurethane board in accordance with the present invention.
Fig. 3 is a schematic perspective view of a VIP slab layer of the present invention laid out on an inner rigid foam polyurethane slab.
Fig. 4 is a schematic structural diagram of the present invention after the inner blade is separated from the VIP panel layer.
Fig. 5 is a schematic view showing the front structure of the inner rigid foam polyurethane board according to the present invention mounted on the outer side surface of the VIP board layer.
Fig. 6 is a schematic view showing the front structure of the outer rigid foam polyurethane board in the present invention.
Fig. 7 is a schematic perspective view of a composite insulation board according to the present invention installed outside an outer blade.
Fig. 8 is a schematic diagram of the structure of a VIP panel of the present invention.
Fig. 9 is a schematic view of the structure of the tensile connector of the present invention.
Fig. 10 is a schematic structural view of a VIP slab 3.2 of the present invention with a thermal insulation protection layer wrapped around the sides.
Reference numerals: 1-inner leaf plate, 2-outer leaf plate, 3-composite heat preservation plate, 3.1-inner hard foam polyurethane plate, 3.1.1-inner hard foam polyurethane plate, 3.2-VIP plate layer, 3.2.1-VIP plate, 3.2.1 a-vacuum plate core material, 3.2.1 b-vacuum plate film material, 3.3-outer hard foam polyurethane plate, 3.3.1-outer hard foam polyurethane plate, 4-notch, 5-shear connector, 5.1-pre-buried plate, 5.2-anchoring rib, 6-first perforation, 7-second perforation, 8-third perforation, 9-heat preservation protective layer, 10-tensile connector, 10.1-pull rod, 10.2-anchoring section, 11-fourth perforation and 12-fifth perforation.
Detailed Description
As shown in fig. 1-10, the manufacturing method of the sandwich external wall panel with the VIP plate composite heat insulation layer comprises an inner leaf plate 1, an outer leaf plate 2 and a composite heat insulation plate 3 arranged between the inner leaf plate 1 and the outer leaf plate 2; the inner blade plate 1 and the outer blade plate 2 are rectangular and annular, first through holes 6 are respectively formed in the plate surfaces of the left side and the right side of the inner blade plate 1, and shearing resistant connecting pieces 5 are arranged on the plate surfaces of the outer blade plate 2 at intervals; the shearing connector 5 comprises an embedded plate 5.1 and an anchoring rib 5.2; the embedded plate 5.1 is perpendicular to the plate surface of the outer blade plate 2, the outer end of the embedded plate 5.1 is embedded in the outer blade plate 2, and the inner end of the embedded plate 5.1 exceeds the inner surface of the outer blade plate 2 and is anchored in the inner blade plate 1; the two groups of the anchoring ribs 5.2 are respectively arranged at the position of the embedded plate 5.1 in the inner blade plate 1; the composite heat-insulating board 3 comprises an inner hard foam polyurethane board 3.1, a VIP board layer 3.2 and an outer hard foam polyurethane board 3.3; the inner rigid foam polyurethane plate 3.1 is in a rectangular ring shape, is attached to the outer side of the inner blade plate 1, and is provided with a second perforation 7 at a position corresponding to the first perforation 6 on the inner rigid foam polyurethane plate 3.1; the inner hard foam polyurethane plates 3.1 are formed by splicing a group of inner hard foam polyurethane plates 3.1.1; the VIP plate layer 3.2 is in a rectangular ring shape and is adhered to the outer side surface of the inner rigid foam polyurethane plate 3.1, and a third perforation 8 is arranged on the VIP plate layer 3.2 at a position corresponding to the second perforation 7; the VIP plate layer 3.2 is formed by splicing a group of VIP plates 3.2.1, and the sizes of the vertical section surfaces of the group of VIP plates 3.2.1 are different; the third perforation 8 is positioned at the seam of the VIP plate 3.2.1; the peripheral edge of the inner hard foam polyurethane board 3.1 correspondingly exceeds the peripheral edge of the VIP board layer 3.2, and a heat-insulating protective layer 9 is wrapped on the peripheral side surface of the VIP board layer 3.2; the outer hard foam polyurethane plate 3.3 is in a rectangular ring shape and is attached to the outer side surface of the VIP plate layer 3.2; a fourth perforation 11 is arranged on the outer hard foam polyurethane plate 3.3 at a position corresponding to the third perforation 8; the outer hard foam polyurethane plates 3.3 are formed by splicing a group of outer hard foam polyurethane plates 3.3.1; the dimensions of the VIP panels 3.2.1 correspond to less than the dimensions of the outer rigid foam polyurethane panels 3.3 and the dimensions of the inner rigid foam polyurethane panels 3.1; the outer rigid foam polyurethane board 3.3 of the composite heat-insulating board 3 is attached to the inner side surface of the outer blade board 2, and the shearing-resistant connecting piece 5 is arranged corresponding to the splicing seam of the VIP board 3.2.1; the inner end of the embedded plate 5.1 in the shearing resistant connecting piece 5 passes through the splice joint of the adjacent VIP plate 3.2.1 and is anchored into the inner leaf plate 1; tensile connectors 10 are arranged on the inner side surface of the outer blade plate 2 at intervals along the circumferential direction, and the inner ends of the tensile connectors 10 pass through the splice joints of the adjacent VIP plates 3.2.1 and are anchored into the inner blade plate 1; a fifth through hole 12 is provided in the plate surface of the outer blade 2 at a position corresponding to the fourth through hole 11.
The manufacturing method comprises the following steps.
Taking the position of an embedded plate 5.1 of a designed shearing-resistant connecting piece 5 and the corner position of a door and window opening in a designed outer blade plate 2 as boundaries, dividing first rectangular grids with unequal sizes on a design drawing of the outer blade plate 2 on the premise of not exceeding the maximum size of the designed composite heat-insulating plate 3, wherein each first rectangular grid corresponds to one inner rigid foam polyurethane plate 3.1.1 and one outer rigid foam polyurethane plate 3.3.1, and numbering the first rectangular grids with different sizes so as to facilitate the subsequent construction operation; when the first rectangular grid is divided, the position of the design embedded plate 5.1 is correspondingly arranged with the overlapping edge of the adjacent first rectangular grid.
Taking the position of a pull rod 10.1 in the designed tensile connecting piece 10 and the position of a second perforation 7 arranged on the designed inner rigid foam polyurethane plate 3.1 as dividing lines, and dividing second rectangular grids with different sizes on the design drawing of each inner rigid foam polyurethane plate 3.1.1 on the premise of not exceeding the maximum size of the VIP plate 3.2.1, wherein each second rectangular grid corresponds to one VIP plate 3.2.1; numbering the second rectangular grids with different sizes, so that the subsequent construction operation is facilitated; when dividing the second rectangular grid, the position of the design pull rod 10.1 is arranged corresponding to the overlapped edge of the adjacent second rectangular grid, and part of the second perforation 7 is arranged corresponding to the cross intersection point position of the rectangular grid.
Step three, processing an inner hard foam polyurethane plate 3.1.1 and an outer hard foam polyurethane plate 3.3.1, and splicing and connecting the inner hard foam polyurethane plate 3.1.1 according to the number of the first rectangular lattice to obtain the inner hard foam polyurethane plate 3.1, wherein the four sides of the inner hard foam polyurethane plate 3.1 are smaller than the designed four sides of the inner hard foam polyurethane plate 3.1 by 5mm; meanwhile, the outer rigid foam polyurethane plates 3.3.1 are spliced and connected according to the number of the first rectangular grid to obtain the outer rigid foam polyurethane plates 3.3, the four sides of the outer rigid foam polyurethane plates 3.3 are smaller than the designed outer rigid foam polyurethane plates 3.3 by 5mm, and the problem that the overall sizes of the inner rigid foam polyurethane plates 3.1.1 and the outer rigid foam polyurethane plates 3.3.1 are larger and the field installation is difficult is avoided;
fourthly, processing VIP plates 3.2.1 with different sizes, bonding the VIP plates 3.2.1 to the outer surface of the inner rigid foam polyurethane plate 3.1 according to the number of the second rectangular lattice to obtain a VIP plate layer 3.2, respectively making negative deviations of 3-5 mm between the four sides of the VIP plate layer 3.2 and the four sides of the inner rigid foam polyurethane plate 3.1 (namely, the peripheral edges of the VIP plate layer 3.2 do not exceed the peripheral edges of the inner rigid foam polyurethane plate 3.1, and a 3-5 mm interval is reserved between the edges of the VIP plate layer 3.2 and the edges of the inner rigid foam polyurethane plate 3.1), and then wrapping the thermal insulation protective layer 9 on the peripheral edges of the VIP plate layer 3.2 to enable the outer surface of the wrapped thermal insulation protective layer 9 to be flush with the edges of the inner rigid foam polyurethane plate 3.1;
and fifthly, bonding the spliced outer rigid foam polyurethane board 3.3 on the outer surface of the VIP board layer 3.2 through glue spraying, and pressing and processing the outer rigid foam polyurethane board into the composite heat-insulating board 3 by using a pre-pressing machine.
Step six, prefabricating the outer leaf plate 2, embedding the shearing resistant connecting piece 5 and the tensile connecting piece 10 in the positions of the shearing resistant connecting piece 5 and the tensile connecting piece 10 which are correspondingly designed in the outer leaf plate 2, arranging the composite heat insulation plate 3 on the inner side of the outer leaf plate according to the number, and simultaneously enabling the shearing resistant connecting piece 5 and the tensile connecting piece 10 to respectively penetrate through the composite heat insulation plate 3.
Step seven, supporting a mould on the inner side of the composite heat-insulating board 3, and connecting the mould by drawknot pieces penetrating through the first perforation 6, the second perforation 7, the third perforation 8, the fourth perforation 11 and the fifth perforation 12, pouring the inner leaf board 1, and finishing the construction; the drawknot piece is actually a template split bolt reserved in the pouring stage of the inner blade plate.
In this embodiment, the VIP board, i.e. the vacuum insulation board, is one of the vacuum insulation materials for short called english Vacuum Insulation Panel, and is formed by compounding a filling core material and a vacuum protection surface layer, which effectively avoids heat transfer caused by air convection, so that the heat conductivity coefficient can be greatly reduced to less than 0.035 w/(. K), and no ODSozone depleting substances material is contained, thus the vacuum insulation board has the characteristics of environmental protection and high efficiency and energy saving, and is the most advanced high efficiency insulation material in the world.
In this embodiment, the anchoring ribs 5.2 are welded on the board surface of the embedded board 5.1 and near the inner end.
In this embodiment, the thickness of a group of VIP panels 3.2.1 is equal, and the length and width are not equal.
In this embodiment, the VIP panel 3.2.1 has a length of 100mm to 800mm and a width of 100mm to 800mm; the VIP plate 3.2.1 comprises a vacuum plate core material 3.2.1a and a vacuum plate film material 3.2.1b; the vacuum plate core material 3.2.1a is rectangular block-shaped and is made of aerogel; the vacuum plate film 3.2.1b is wrapped on the outer surface of the vacuum plate core material 3.2.1a, and the vacuum plate film 3.2.1b adopts a galvanized film; corresponding corners of the VIP plates 3.2.1 positioned around the second perforation 7 are set as chamfer angles, and chamfer sides of the four VIP plates 3.2.1 enclose the third perforation 8; wherein the bevel edge of the chamfer is a straight line or an arc line; when the bevel edge of the chamfer is a straight line, the spliced hole-shaped structure is diamond; when the bevel edge of the chamfer is an arc line, the spliced hole-shaped structure is a curved edge quadrangle.
In this embodiment, gaps 4 are disposed on the VIP panel layer 3.2 at intervals along the inner side edge; the position of the notch 4 corresponds to a second perforation 7 near the inner edge of the inner rigid foam polyurethane plate 3.1, and the notch 4 is filled with a heat insulation material; the third perforations 8 are left in the insulating material.
In this embodiment, the tensile connector 10 includes a pull rod 10.1; the number of the pull rods 10.1 is two, and the two pull rods 10.1 are arranged in parallel at intervals; the end parts of the pull rods 10.1 are respectively bent to form an anchoring section 10.2, and one ends of the two pull rods 10.1 are correspondingly connected; one end of the pull rod 10.1 is embedded in the inner leaf plate 1, and the other end is embedded in the outer leaf plate 2; the tensile connector 10 passes through the gap of the two VIP panels 3.2.1 of the VIP panel layer 3.2.
In the first embodiment, in the first step, when the inner rigid foam polyurethane board 3.1 and the outer rigid foam polyurethane board 3.3 are manufactured, the second through holes 7 are arranged on the inner rigid foam polyurethane board 3.1, and the positions and the sizes of the shearing resistant connecting pieces 5 are marked; at the same time, a fourth perforation 11 is provided in the outer rigid foam polyurethane plate 3.3 and marks the position and size of the shear connector 5.
In the second embodiment, in the second step, first, a second rectangular lattice is divided on the outer side surface of the inner rigid foam polyurethane board 3.1 according to the size of the standard VIP board 3.2.1; dividing a second rectangular lattice with a non-standard size on the rest part of the outer side surface of the inner rigid foam polyurethane plate 3.1 so as to reduce the number of deformed plates and improve the production and processing efficiency; when the second rectangular grid is divided on the design drawing of the inner rigid foam polyurethane plate 3.1.1, the position of the cross intersection point of the second rectangular grid corresponds to the position of the second perforation 7 as far as possible; when the position of the second perforation 7 cannot correspond to the cross points of the four second rectangular cells, the notch 4 position of the VIP panel layer 3.2 is marked on the outer side surface of the inner rigid foam polyurethane panel 3.1 at the position corresponding to the second perforation 7.
In this embodiment, when the inner rigid foam polyurethane board 3.1 and the outer rigid foam polyurethane board 3.3 are manufactured, the second through holes 7 are arranged on the inner rigid foam polyurethane board 3.1, and the positions and the sizes of the shearing resistant connecting pieces 5 are marked; at the same time, a fourth perforation 11 is provided in the outer rigid foam polyurethane plate 3.3 and marks the position and size of the shear connector 5.
In this embodiment, the VIP plate 3.2.1 can effectively avoid the part of the shearing-resistant connecting piece 5 on the outer blade plate 2 through typesetting, and the shearing-resistant connecting piece 5 passes through from the VIP plate layer 3.2 piece position, so that the hole processing of the composite heat insulation plate is reduced, the processing difficulty is reduced, and the heat insulation effect is improved.
In this embodiment, the shear connectors 5 are divided into corner shear connectors and edge shear connectors; wherein, the corner shearing-resistant connecting piece is arranged on the plate surface of the inner rigid foam polyurethane plate 3.1 and is close to four corner positions; the edge shearing connectors are arranged on the right side plate surface of the inner rigid foam polyurethane plate 3.1 and are vertically arranged at intervals.
In the embodiment, the anchoring ribs 5.2 are also arranged at the part of the embedded plate 5.1 embedded in the inner leaf plate 1, and the anchoring ribs 5.2 are arranged on the left side surface and the right side surface of the embedded plate 5.1; four anchor ribs 5.2 are arranged in each group, wherein two anchor ribs 5.2 are perpendicular to the embedded plate 5.1, and the included angle between the other two anchor ribs 5.2 and the embedded plate 5.1 is not equal to 90 degrees; the anchoring ribs 5.2 are made of steel bars, and the length of each anchoring rib 5.2 is 15 cm-25 cm.
In this embodiment, the thermal insulation protection layer 9 is made of rubber-plastic cotton with self-adhesive, and this arrangement not only can protect the vacuum insulation board from being knocked and pierced, but also can reduce heat loss at the plate seam.
The above embodiments are not exhaustive of the specific embodiments, and other embodiments are possible, and the above embodiments are intended to illustrate the present invention, not to limit the scope of the present invention, and all applications that come from simple variations of the present invention fall within the scope of the present invention.
Claims (8)
1. A manufacturing method of a sandwich external wall panel with a VIP (vacuum insulation panel) composite heat insulation layer comprises an inner leaf plate (1), an outer leaf plate (2) and a composite heat insulation plate (3) arranged between the inner leaf plate (1) and the outer leaf plate (2); the inner blade plate (1) and the outer blade plate (2) are rectangular annular, first through holes (6) are respectively formed in the plate surfaces of the left side and the right side of the inner blade plate (1), and shearing-resistant connecting pieces (5) are arranged on the plate surfaces of the outer blade plate (2) at intervals; the method is characterized in that: the shearing-resistant connecting piece (5) comprises a pre-buried plate (5.1) and an anchoring rib (5.2); the embedded plate (5.1) is perpendicular to the plate surface of the outer blade plate (2), the outer end of the embedded plate (5.1) is embedded in the outer blade plate (2), and the inner end of the embedded plate (5.1) exceeds the inner surface of the outer blade plate (2) and is anchored in the inner blade plate (1); the two groups of the anchoring ribs (5.2) are respectively arranged at the position of the embedded plate (5.1) in the inner leaf plate (1); the composite heat-insulating board (3) comprises an inner hard foam polyurethane board (3.1), a VIP board layer (3.2) and an outer hard foam polyurethane board (3.3); the inner rigid foam polyurethane plate (3.1) is in a rectangular ring shape, is attached to the outer side of the inner blade plate (1), and is provided with a second perforation (7) at a position corresponding to the first perforation (6) on the inner rigid foam polyurethane plate (3.1); the inner hard foam polyurethane plates (3.1) are formed by splicing a group of inner hard foam polyurethane plates (3.1.1); the VIP plate layer (3.2) is in a rectangular ring shape and is adhered to the outer side surface of the inner rigid foam polyurethane plate (3.1), and a third perforation (8) is arranged on the VIP plate layer (3.2) at a position corresponding to the second perforation (7); the VIP plate layers (3.2) are formed by splicing a group of VIP plates (3.2.1), and the vertical section sizes of the VIP plates (3.2.1) are not equal; the third perforation (8) is positioned at a plate seam of the VIP plate (3.2.1); the peripheral edge of the inner hard foam polyurethane board (3.1) correspondingly exceeds the peripheral edge of the VIP board layer (3.2), and a heat-insulating protective layer (9) is wrapped on the peripheral side surface of the VIP board layer (3.2); the outer rigid foam polyurethane board (3.3) is in a rectangular ring shape and is attached to the outer side surface of the VIP board layer (3.2); a fourth perforation (11) is arranged on the outer hard foam polyurethane plate (3.3) at a position corresponding to the third perforation (8); the outer hard foam polyurethane plates (3.3) are formed by splicing a group of outer hard foam polyurethane plates (3.3.1); the dimensions of the VIP panels (3.2.1) correspond to less than the dimensions of the outer rigid foam polyurethane panels (3.3) and the dimensions of the inner rigid foam polyurethane panels (3.1); the outer rigid foam polyurethane board (3.3) of the composite heat-insulating board (3) is adhered to the inner side surface of the outer blade board (2), and the shearing-resistant connecting piece (5) is arranged corresponding to the splicing joint of the VIP board (3.2.1); the inner ends of the embedded plates (5.1) in the shearing resistant connecting piece (5) penetrate through the splice seams of the adjacent VIP plates (3.2.1) and are anchored into the inner leaf plates (1); tensile connectors (10) are arranged on the inner side surface of the outer blade plate (2) at intervals along the circumferential direction, and the inner ends of the tensile connectors (10) pass through the splice seams of the adjacent VIP plate blocks (3.2.1) and are anchored into the inner blade plate (1); a fifth perforation (12) is arranged on the plate surface of the outer blade plate (2) at a position corresponding to the fourth perforation (11);
the manufacturing method comprises the following steps:
taking the position of an embedded plate (5.1) of a designed shear connector (5) and the corner position of a door and window opening in an outer blade plate (2) as boundaries, dividing first rectangular grids with different sizes on a design drawing of the outer blade plate (2) on the premise of not exceeding the maximum size of the designed composite heat insulation plate (3), wherein each first rectangular grid corresponds to one inner rigid foam polyurethane plate (3.1.1) and one outer rigid foam polyurethane plate (3.3.1), numbering the first rectangular grids with different sizes, and facilitating subsequent construction operation; when the first rectangular grid is divided, the position of the design embedded plate (5.1) is correspondingly arranged with the overlapping edge of the adjacent first rectangular grid;
taking the position of a pull rod (10.1) in the designed tensile connecting piece (10) and the position of a second perforation (7) arranged on the designed inner rigid foam polyurethane plate (3.1) as dividing lines, and dividing second rectangular grids with unequal sizes on the design drawing of each inner rigid foam polyurethane plate (3.1.1) on the premise that the maximum size of the VIP plate (3.2.1) is not exceeded, wherein each second rectangular grid corresponds to one VIP plate (3.2.1); numbering the second rectangular grids with different sizes, so that the subsequent construction operation is facilitated; when the second rectangular grid is divided, the position of the design pull rod (10.1) is correspondingly arranged with the overlapped edge of the adjacent second rectangular grid, and part of the second perforation (7) is correspondingly arranged at the cross intersection point position of the rectangular grid;
step three, processing an inner hard foam polyurethane plate (3.1.1) and an outer hard foam polyurethane plate (3.3.1), and splicing and connecting the inner hard foam polyurethane plate (3.1.1) according to the serial number of the first rectangular grid to obtain the inner hard foam polyurethane plate (3.1), wherein the four sides of the actually obtained inner hard foam polyurethane plate (3.1) are smaller than the designed four sides of the inner hard foam polyurethane plate (3.1) by 5mm; meanwhile, the outer rigid foam polyurethane plates (3.3.1) are spliced and connected according to the serial numbers of the first rectangular grids to obtain the outer rigid foam polyurethane plates (3.3), the four sides of the outer rigid foam polyurethane plates (3.3) are smaller than the designed four sides of the outer rigid foam polyurethane plates (3.3) by 5mm, and the problem that the overall size of the inner rigid foam polyurethane plates (3.1.1) and the outer rigid foam polyurethane plates (3.3.1) is larger, so that the field installation is difficult is avoided;
fourthly, processing VIP plates (3.2.1) with different sizes, bonding the VIP plates (3.2.1) to the outer surface of the inner rigid foam polyurethane plate (3.1) according to the number of the second rectangular lattice to obtain a VIP plate layer (3.2), respectively carrying out negative deviation of 3-5 mm on the four sides of the VIP plate layer (3.2), and wrapping the thermal insulation protective layer (9) on the peripheral edges of the VIP plate layer (3.2) to enable the outer surface of the wrapped thermal insulation protective layer (9) to be flush with the edge of the inner rigid foam polyurethane plate (3.1);
step five, bonding the spliced outer hard foam polyurethane board (3.3) on the outer surface of the VIP board layer (3.2) through glue spraying, and pressing and processing the outer hard foam polyurethane board into the composite heat-insulating board (3) by using a pre-pressing machine;
step six, prefabricating an outer leaf plate (2), embedding the shearing resistant connecting piece (5) and the tensile connecting piece (10) in the positions of the shearing resistant connecting piece (5) and the tensile connecting piece (10) in the outer leaf plate (2), arranging the composite heat-insulating plate (3) on the inner side of the outer leaf plate according to the number, and enabling the shearing resistant connecting piece (5) and the tensile connecting piece (10) to pass through the composite heat-insulating plate (3) respectively;
and seventhly, supporting a die on the inner side of the composite heat-insulating plate (3), connecting the die by a drawknot piece penetrating through the through hole, and pouring the inner leaf plate (1) until the construction is finished.
2. The method for manufacturing the VIP board composite insulation layer sandwich external wall board according to claim 1, wherein the method is characterized in that: the anchoring ribs (5.2) are welded and connected to the plate surface of the embedded plate (5.1) at positions close to the inner ends.
3. The method for manufacturing the VIP board composite insulation layer sandwich external wall board according to claim 1, wherein the method is characterized in that: the length of the VIP plate (3.2.1) is 100 mm-800 mm, and the width of the VIP plate is 100 mm-800 mm; the VIP plate (3.2.1) comprises a vacuum plate core material (3.2.1 a) and a vacuum plate membrane material (3.2.1 b); the vacuum plate core material (3.2.1a) is rectangular block-shaped and is made of aerogel; the vacuum board film material (3.2.1b) is wrapped on the outer surface of the vacuum board core material (3.2.1a), and the vacuum board film material (3.2.1b) adopts a galvanized film.
4. The method for manufacturing the VIP board composite insulation layer sandwich external wall board according to claim 1, wherein the method is characterized in that: gaps (4) are formed in the VIP plate layer (3.2) at intervals along the inner side edge; the position of the notch (4) corresponds to the second perforation (7), and the notch (4) is filled with a heat insulation material; the third perforation (8) is left in the insulating material.
5. The method for manufacturing the VIP board composite insulation layer sandwich external wall board according to claim 1, wherein the method is characterized in that: the tensile connecting piece (10) comprises a pull rod (10.1); the number of the pull rods (10.1) is two, and the two pull rods (10.1) are arranged in parallel at intervals; the ends of the pull rods (10.1) are respectively bent to form an anchoring section (10.2), and one ends of the two pull rods (10.1) are correspondingly connected; one end of the pull rod (10.1) is embedded into the inner leaf plate (1), and the other end of the pull rod is embedded into the outer leaf plate (2); the tensile connector (10) passes through a gap between two VIP plates (3.2.1) of the VIP plate layer (3.2).
6. The method for manufacturing the VIP board composite insulation layer sandwich external wall board according to claim 1, wherein the method is characterized in that: in the second step, firstly, dividing a second rectangular lattice according to the size of a standard VIP plate (3.2.1) on the design drawing of the inner rigid foam polyurethane plate (3.1.1); and dividing a second rectangular lattice with a non-standard size on the rest part of the design drawing of the inner rigid foam polyurethane plate (3.1.1) so as to reduce the number of abnormal plates and improve the production and processing efficiency.
7. The method for manufacturing the VIP board composite insulation layer sandwich external wall board according to claim 1, wherein the method is characterized in that: in the second step, when the second rectangular lattice is divided on the design drawing of the inner rigid foam polyurethane plate (3.1.1), the position of the cross intersection point of the second rectangular lattice corresponds to the position of the second perforation (7); when the positions of the second perforations (7) cannot correspond to the cross points of the four second rectangular lattices, the positions of the notches (4) of the VIP board layer (3.2) are marked on the outer side surface of the inner rigid foam polyurethane board (3.1) at the positions corresponding to the second perforations (7).
8. The method for manufacturing the VIP board composite insulation layer sandwich external wall board according to claim 1, wherein the method is characterized in that: in the third step, when the inner rigid foam polyurethane plate (3.1) and the outer rigid foam polyurethane plate (3.3) are manufactured, a second perforation (7) is arranged on the inner rigid foam polyurethane plate (3.1), and the position and the size of the shearing resistant connecting piece (5) are marked; meanwhile, a fourth perforation (11) is arranged on the outer hard foam polyurethane plate (3.3), and the position and the size of the shearing resistant connecting piece (5) are marked.
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