CN114800772B - Side mold device and preparation method of external wall external heat preservation and protection system - Google Patents
Side mold device and preparation method of external wall external heat preservation and protection system Download PDFInfo
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- CN114800772B CN114800772B CN202210392834.6A CN202210392834A CN114800772B CN 114800772 B CN114800772 B CN 114800772B CN 202210392834 A CN202210392834 A CN 202210392834A CN 114800772 B CN114800772 B CN 114800772B
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- 238000004321 preservation Methods 0.000 title claims abstract description 21
- 238000002360 preparation method Methods 0.000 title abstract description 14
- 239000004744 fabric Substances 0.000 claims abstract description 115
- 238000009413 insulation Methods 0.000 claims abstract description 70
- 238000000465 moulding Methods 0.000 claims abstract description 6
- 238000003825 pressing Methods 0.000 claims abstract description 5
- 239000010410 layer Substances 0.000 claims description 50
- 239000011241 protective layer Substances 0.000 claims description 38
- 238000000034 method Methods 0.000 claims description 15
- 239000002002 slurry Substances 0.000 claims description 14
- 238000005266 casting Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000005336 cracking Methods 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 19
- 229910001335 Galvanized steel Inorganic materials 0.000 description 15
- 239000008397 galvanized steel Substances 0.000 description 15
- 238000005553 drilling Methods 0.000 description 7
- 239000003513 alkali Substances 0.000 description 6
- 210000001503 joint Anatomy 0.000 description 6
- 239000002344 surface layer Substances 0.000 description 6
- 238000009422 external insulation Methods 0.000 description 5
- 238000009527 percussion Methods 0.000 description 4
- 239000004793 Polystyrene Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 229920002223 polystyrene Polymers 0.000 description 3
- 239000002356 single layer Substances 0.000 description 3
- 238000004513 sizing Methods 0.000 description 3
- 238000004901 spalling Methods 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011490 mineral wool Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
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- 238000005520 cutting process Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000011494 foam glass Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000008642 heat stress Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
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- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 229920006327 polystyrene foam Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/14—Producing shaped prefabricated articles from the material by simple casting, the material being neither forcibly fed nor positively compacted
- B28B1/16—Producing shaped prefabricated articles from the material by simple casting, the material being neither forcibly fed nor positively compacted for producing layered articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/0056—Means for inserting the elements into the mould or supporting them in the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0002—Auxiliary parts or elements of the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0002—Auxiliary parts or elements of the mould
- B28B7/0014—Fastening means for mould parts, e.g. for attaching mould walls on mould tables; Mould clamps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/02—Moulds with adjustable parts specially for modifying at will the dimensions or form of the moulded article
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
- E04B1/78—Heat insulating elements
- E04B1/80—Heat insulating elements slab-shaped
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Architecture (AREA)
- Acoustics & Sound (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Building Environments (AREA)
Abstract
The invention provides a side die device and a preparation method of an external wall external heat preservation and protection system, and relates to the technical field of heat preservation for buildings. The side die device comprises a first side die frame, a second side die frame and a limiting structure. The second side die frame is detachably connected to the first side die frame in a pressing mode through a connecting structure; the limiting structure is arranged between the first side die frame and the second side die frame and is suitable for fixing the grid cloth between the first side die frame and the second side die frame. The preparation method of the external wall external heat preservation and protection system comprises the steps of stretching the grid cloth on the middle layer of the protection layer and performing one-time pouring molding. The invention can solve the engineering quality problem of peeling and cracking of the external thermal insulation protection system of the external wall in the prior art, and has the anti-cracking effect.
Description
Technical Field
The invention relates to the technical field of heat preservation for buildings, in particular to a side mold device and a preparation method of an external wall external heat preservation protection system.
Background
In the building, the heat loss of the outer protective structure is larger, and the heat loss of the wall body structure in the outer protective structure accounts for about 60-70% of the total weight. The energy-saving requirement of the building industry is continuously improved, and the external wall heat preservation becomes a main form of energy-saving wall heat preservation in China. The design standard of 75% of energy conservation of residential building is comprehensively implemented, so that the thickness of the heat insulation layer of the outer wall is greatly increased, and more engineering problems are caused, wherein the existing external heat insulation thin plastering system for the outer wall has the defect of engineering quality problems of peeling and cracking of the heat insulation layer caused by plastering operation due to drilling holes by percussion drill.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defects of engineering quality problems of peeling and cracking of the insulation layer caused by drilling and plastering operation by impact drilling in the external insulation plastering system of the external wall in the prior art, thereby providing a side die device and a preparation method of the external insulation protection system of the external wall.
In order to solve the above problems, an aspect of the present invention provides a side mold device, which includes a first side mold frame, a second side mold frame, and a limiting structure. The second side die frame is detachably connected to the first side die frame in a pressing mode through a connecting structure; the limiting structure is arranged between the first side die frame and the second side die frame and is suitable for fixing the grid cloth between the first side die frame and the second side die frame.
Optionally, the first side frame is provided with a first clamping surface, the second side frame is provided with a second clamping surface matched with the first clamping surface, the limiting structure is arranged between the first clamping surface and the second clamping surface, and the first clamping surface is in butt joint with the second clamping surface so as to clamp and fix the grid cloth between the first side frame and the second side frame.
Optionally, the limit structure includes a first step structure arranged on the first clamping surface and a second step structure arranged on the second clamping surface, and the first step structure and the second step structure are in butt joint and matched for clamping and fixing the mesh cloth.
Optionally, the limit structure includes the spacing groove of setting on first clamping face and sets up the stopper on the second clamping face, and the stopper setting is in the spacing groove for the fixed net cloth of centre gripping.
Optionally, the connecting structure comprises an adjusting bolt and a fixing nut, and the adjusting bolt is in threaded fit with the fixing nut so as to detachably connect the first side die frame and the second side die frame.
Optionally, one end extension of adjusting bolt sets up and forms the supporting section, is equipped with lift adjusting nut on the supporting section, and lift adjusting nut, fixation nut are relative locates the outside of first side frame, second side frame respectively, and lift adjusting nut is used for supporting first side frame or second side frame.
Optionally, the device further comprises a lifting device, wherein a power output end of the lifting device is connected with the first side frame or the second side frame and is suitable for adjusting the height of the grid cloth.
Optionally, the first side mold frame comprises two first long side molds and two first short side molds, and the first long side molds and the first short side molds are connected end to end in a staggered manner; the second side die frame comprises two second long side dies and two second short side dies, and the second long side dies and the first short side dies are connected end to end in a staggered manner.
Optionally, the both ends of first long side mould and second long side mould all correspond and are equipped with the first installation through-hole that supplies adjusting bolt to pass, and the both ends of first short side mould and second short side mould all correspond and are equipped with the second installation through-hole that supplies adjusting bolt to pass, in the second side mould frame, all are equipped with the connection piece between adjacent first installation through-hole and the second installation through-hole, and fixation nut compresses tightly on the connection piece.
The second aspect of the present invention provides a method for manufacturing an external thermal insulation protection system for an external wall, the external thermal insulation protection system for an external wall including a thermal insulation board and a protection layer, the method for manufacturing the external thermal insulation protection system for an external wall using the side mold device according to any one of the above technical solutions, comprising the steps of:
step S10, paving an insulation board, and tightly fitting and installing a side mold device on the peripheral edge of the insulation board;
step S20, paving grid cloth above the heat-insulating plate and between a first side die frame and a second side die frame of the side die device, adjusting the distance between the grid cloth and the heat-insulating plate, and tensioning the grid cloth so as to leave a gap between the grid cloth and the heat-insulating plate;
step S30, curing and forming after casting the slurry once so as to solidify the mesh cloth in the middle layer of the slurry;
and S40, disassembling the side die device to obtain the external wall external heat preservation and protection system.
Optionally, in step S20, the mesh cloth is tensioned so as to be parallel to the insulation board, and when the thickness of the protective layer is 5 mm-8 mm, the distance between the mesh cloth and the upper surface of the molded external wall external insulation protection system is 2 mm-4 mm.
Optionally, step S10 includes: s11, installing a first side mold frame around the periphery of the heat-insulating plate;
step S20 includes the steps of:
step S21, paving grid cloth on the first side die frame;
s22, installing a second side die frame on the first side die frame, and tightly pressing the second side die frame on the grid cloth;
s23, installing a connecting sheet at the joint of the second long side die and the second short side die, and connecting the first side die frame with the second side die frame through an adjusting bolt, a fixing nut and a lifting adjusting nut;
step S24, slowly screwing the lifting adjusting nuts to enable the first side die frame, the grid cloth and the second side die frame to rise to a set height;
step S25, the first short side die and the second short side die on the first side are screwed up through fixing nuts to compress one end of the grid cloth, the second side is tensioned through a traction device, and the first short side die and the second short side die on the second side are screwed up through the fixing nuts under the tensioned state.
Optionally, in step S22, the mesh cloth is laid along the first long side mold, and the lengths of the edges of the two sides of the mesh cloth beyond the first short side mold are 50 mm-100 mm; or, paving a plurality of gridding cloths along the first short side mould, and overlapping adjacent gridding cloths, wherein the overlapping width is not less than 100mm.
The invention has the following advantages:
1. by utilizing the technical scheme of the invention, the limit structure is arranged between the first side die frame and the second side die frame, and the grid cloth can be fixed between the first side die frame and the second side die frame, so that the grid cloth is positioned and solidified in the middle layer of the sizing agent when the side die device is used for preparing an external thermal insulation protection system of an external wall. The grid cloth is supported by the first side frame to keep a certain distance from the heat insulation board downwards, and the grid cloth is supported by the second side frame to still cover the slurry upwards instead of being directly paved on the surface layer of the slurry. After the protective layer is formed, the mesh cloth is finally positioned at the middle layer of the protective layer instead of the bottom layer and the top layer, and can play a role in cracking resistance. The limiting structure can limit and fix the grid cloth, and the grid cloth is prevented from sliding off.
2. The adjusting bolt is matched with the fixing nut to realize the detachable connection of the first side die frame and the second side die frame. The lifting adjusting nut plays a supporting role on the first side die frame or the second side die frame, the distance between the side die device and the heat insulation board can be adjusted, meanwhile, the distance between the grid cloth and the heat insulation board can be adjusted, the thickness of the protective layer can be adjusted, the production and the preparation of the external heat insulation protection system of the external wall with various specifications can be adapted, the universality is good, and the flexibility is high.
3. The first side die frame comprises a first long side die and a first short side die, the second side die frame comprises a second long side die and a second short side die, and the side die devices with different specifications can be formed by selecting the first long side die, the first short side die, the second long side die and the second short side die with different specifications, so that the side die device is suitable for preparing external thermal insulation protection systems of external walls with various specifications.
4. The adjacent first installation through holes and the second installation through holes are connected through the connecting sheet, so that the adjacent first long side dies and the first short side dies and/or the adjacent second long side dies and the second short side dies are connected through the connecting sheet, the firm connection of the adjacent side dies can be ensured, and the condition of die expansion is avoided.
5. The method provided by the invention is used for preparing the external wall external heat insulation protection system, and the grids are distributed in the middle layer, so that the cracking resistance effect can be achieved. The one-time pouring molding is adopted, so that the engineering quality problems of spalling and cracking of the external thermal insulation protection system of the outer wall caused by repeated pouring, on-site percussion drilling and repeated plastering operation can be avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 shows a schematic structural diagram of a side mold device according to an embodiment of the present invention;
FIG. 2 shows a partial enlarged view of FIG. 1;
FIG. 3 shows a schematic representation of a first side frame for laying up a scrim;
fig. 4 shows a schematic structural diagram of an external wall external thermal insulation protection system.
Reference numerals illustrate:
10. a side die device; 11. a first side mold frame; 111. a first long side die; 112. a first short side die; 12. a second side mold frame; 121. a second long side die; 122. a second short side die; 13. a limit structure; 131. a first step structure; 132. a second step structure; 14. an adjusting bolt; 15. a fixing nut; 16. lifting and lowering the adjusting nut; 17. a connecting sheet; 20. a mesh cloth; 21. first layer mesh cloth; 22. Two layers of gridding cloth; 30. a thermal insulation board; 40. and (3) a protective layer.
Detailed Description
The following description of the embodiments of the present invention will be made more apparent and fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, 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 of ordinary skill in the art according to the specific circumstances.
In addition, the technical features of the different embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
For the purpose of illustrating the concepts of the invention, the drawings and detailed description are to be regarded as illustrative in nature and not as restrictive.
Example 1
A side mold device is used for surrounding the periphery of an insulation board 30, forming a pouring mold of a wallboard and the like together with the insulation board 30, and forming a protective layer by pouring, wherein the protective layer and the insulation board form an external wall external insulation protection system. The external heat preservation of the outer wall is a heat preservation method for placing a heat preservation layer outside the main body wall material, and is the most widely applied heat preservation method and the heat preservation method advocated by China because the heat preservation layer protects the main body wall material from temperature deformation stress. The side mold device provided by the embodiment of the invention can realize the preparation of an external thermal insulation protection system of an external wall in a factory, and the protective layer and the thermal insulation board 30 are fixed through concrete pouring, so that compared with the preparation of the external thermal insulation system of the external wall in the prior engineering practice application in China at present, the side mold device has the advantages that the engineering quality problems of spalling, cracking and the like of the thermal insulation layer caused by on-site impact drilling and plastering operation are avoided, and the side mold device can be suitable for grouting sleeve solid shear walls and double-sided superimposed shear walls.
Referring to fig. 1, the side mold device 10 includes a first side mold frame 11, a second side mold frame 12, and a limiting structure 13. Wherein, the second side die frame 12 is detachably pressed and connected to the first side die frame 11 through a connecting structure; the limiting structure 13 is disposed between the first side frame 11 and the second side frame 12, and is adapted to fix the mesh cloth 20 between the first side frame 11 and the second side frame 12.
By adopting the technical scheme of the invention, the limiting structure 13 is arranged between the first side die frame 11 and the second side die frame 12, and the grid cloth 20 can be fixed between the first side die frame 11 and the second side die frame 12, so that when the side die device 10 is used for preparing an external wall external heat preservation and protection system, the grid cloth 20 is positioned and solidified in the middle layer of the sizing agent, and the sizing agent is cured and molded to obtain the protection layer. It should be noted that, the mesh 20 is solidified in the middle layer of the slurry and the middle layer of the protective layer 40, which will be described later, means that the lower surface of the mesh 20 is not in contact with the insulation board 30, that is, the upper surface of the mesh 20 is not exposed, that is, the mesh 20 is disposed in the protective layer 40, in other words, the mesh 20 is not disposed at the bottom of the protective layer 40 or at the top of the protective layer 40, that is, the middle layer disposed in the protective layer 40. The grid cloth 20 is supported by the first side mold frame 11 and is spaced from the heat insulation board 30. The mesh 20 is not in contact with the insulation board 30 downward, or, a certain distance is maintained between the mesh 20 and the insulation board 30. The mesh cloth 20 is supported by the second side frame 12 so that it can still cover the slurry upward, and is not directly laid on the surface layer of the slurry. After the protective layer 40 is formed, the mesh 20 is not positioned at the bottom layer, but is positioned at the middle layer of the protective layer 40, and can play a role of cracking resistance. The limiting structure 13 can limit and fix the gridding cloth 20 to prevent the gridding cloth 20 from sliding down.
Wherein, the thermal insulation board 30 can be one or two of reinforced vertical rock wool board, net woven reinforced rock wool board, foaming ceramic board, foaming concrete board, foam glass board, thermosetting composite polystyrene foam thermal insulation board 30, inorganic composite polystyrene incombustible thermal insulation board 30, molding polystyrene board (EPS), extruded polystyrene board (XPS), polyurethane board (PUR) and phenolic board (PF).
The mesh 20 is an alkali-resistant mesh. The alkali-resistant gridding cloth can be one of alkali-resistant glass fiber gridding cloth and basalt gridding cloth, and can also be replaced by galvanized steel wire gauze. When alkali-resistant mesh cloth is adopted, the mass per unit area is not less than 160g/m 2 The mesh center distance is 4 mm-6 mm, and other indexes meet the relevant regulations of JGJ 144 in the technical Standard of external wall insulation engineering. When the galvanized steel wire gauze is adopted, the mesh center distance is not less than 10mm, the wire diameter is 0.8 mm-1.0 mm, and the quality of the galvanized layer is not less than 122g/m 2 . The mesh cloth 20 is a reinforcing material of the outer wall heat insulation surface layer, and has the main functions of: improving the mechanical strength of the surface layer, ensuring the resistance continuity of the heat-insulating layer, dispersing the shrinkage pressure of the surface layer and preserving heatStress concentration is avoided, and surface layer cracking caused by natural temperature and humidity changes and accidental impact is resisted.
Specifically, referring to fig. 1, the first side mold frame 11 includes two first long side molds 111 and two first short side molds 112, and the first long side molds 111 and the first short side molds 112 are connected end to end in a staggered manner; specifically, the two first long side dies 111 are arranged in parallel, the two first short side dies 112 are arranged in parallel, and the two first long side dies are connected end to form a rectangular frame structure. The second side mold frame 12 comprises two second long side molds 121 and two second short side molds 122, and the second long side molds 121 and the first short side molds 112 are connected end to end in a staggered manner. The first side frame 11 is positioned below and the second side frame 12 is positioned above the first side frame 11 in the orientation of fig. 1 and 2.
The side mold device 10 has a rectangular shape, the dimensions of the first long side mold 111, the first short side mold 112, the second long side mold 121, and the second short side mold 122 can be adjusted according to the dimensions of the wall plate, and generally, the first long side mold 111 and the second long side mold 121 are in the height direction of the wall plate, and the first short side mold 112 and the second short side mold 122 are in the width direction of the wall plate. The sizes of the first side mold frame 11 and the second side mold frame 12 can be arbitrarily adjusted according to the sizes of the conventional wallboards, and the flexibility is good.
Specifically, the connecting structure includes an adjusting bolt 14 and a fixing nut 15, and the adjusting bolt 14 and the fixing nut 15 are in threaded engagement to detachably connect the first side frame 11 and the second side frame 12.
Specifically, the two ends of the first long side die 111 and the second long side die 121 are respectively provided with a first installation through hole for the adjusting bolt 14 to pass through, the two ends of the first short side die 112 and the second short side die 122 are respectively provided with a second installation through hole for the adjusting bolt 14 to pass through, and the diameter ranges of the first installation through hole and the second installation through hole are 8 mm-12 mm. In the first side mold frame 11 and the second side mold frame 12, connecting pieces 17 are arranged between the adjacent first mounting through holes and the second mounting through holes, and the fixing nuts 15 are pressed on the connecting pieces 17. Specifically, the connection piece 17 is provided with two through holes corresponding to the first mounting through hole and the second mounting through hole. Referring to fig. 1, in this embodiment, a first adjusting bolt 14 penetrates through first mounting holes of a first long side mold 111 and a second long side mold 121 from bottom to top, a second adjusting bolt 14 penetrates through second mounting holes of a first short side mold 112 and a second short side mold 122 from bottom to top, connecting pieces 17 are sleeved on the first adjusting bolt 14 and the second adjusting bolt 14, and then the first side mold frame 11 and the second side mold frame 12 are respectively connected by tightening fixing nuts 15. Of course, a first installation through hole may be additionally formed in the middle position of the first long side die 111 and the second long side die 121, a second installation through hole may be additionally formed in the middle position of the first short side die 112 and the second short side die 122, and the first installation through hole is locked by the adjusting bolt 14 and the fixing nut 15, so that the connection strength of the first side die frame 11 and the second side die frame 12 can be enhanced, and the phenomenon of die expansion in the slurry forming process is avoided.
Specifically, the connecting sheet 17 is made of metal, the thickness is 3 mm-5 mm, and the diameter of the through hole is 8 mm-12 mm.
Specifically, the first side mold frame 11 is provided with a first clamping surface, the second side mold frame 12 is provided with a second clamping surface matched with the first clamping surface, and when the first side mold frame 11 is in butt joint with the second side mold frame 12, the first clamping surface is in butt joint with the second clamping surface. The limiting structure 13 is disposed between the first clamping surface and the second clamping surface, and the first clamping surface is abutted with the second clamping surface so as to clamp and fix the mesh cloth 20 between the first side mold frame 11 and the second side mold frame 12. That is, the mesh cloth 20 is held by the first holding surface and the second holding surface. The first side mold frame 11 and the second side mold frame 12 are clamped and fixed by the first clamping surface and the second clamping surface to face the grid cloth 20, so that the contact area between the first side mold frame 11, the second side mold frame 12 and the grid cloth 20 can be enlarged, friction force is enhanced, the grid cloth 20 is ensured to be clamped more stably, and on the other hand, the first side mold frame 11 and the second side mold frame 12 can be ensured not to incline when being butted.
Further, the lengths of the first long side mold 111 and the second long side mold 121 are matched with the building layer height, the general size range is 2700 mm-3300 mm, and the lengths of the first short side mold 112 and the second short side mold 122 are divided into two cases of door and window openings and door and window opening-free openings according to the shape of the wallboard member: when the wallboard is provided with a door and window opening, the size range of the first short side die 112 and the second short side die 122 is 1500 mm-3900 mm, and the increase modulus is 300mm; for example, when the size of the wall plate is 1800mm, a second short side die 122 with the length of 300mm is added on the basis of the second short side die 122 with the length of 1500 mm; when no door and window opening exists, the size range of the first short side die 112 and the second short side die 122 is 900 mm-3000 mm, and the increase modulus is 300mm. When the wallboard member has other dimensions, the first long side mold 111, the second short side mold 122, the first short side mold 112, and the second short side mold 122 may be sized to be 50mm in length for ease of adjustment.
Further, referring to fig. 2, the limiting structure 13 includes a first step structure 131 disposed on the first clamping surface and a second step structure 132 disposed on the second clamping surface, where the first step structure 131 and the second step structure 132 are in butt-joint fit for clamping and fixing the mesh cloth 20. In the orientation of fig. 2, the first clamping surface of the first side frame 11 is provided with a concave first step structure 131, the second clamping surface of the second side frame 12 is provided with a convex second step structure 132, and the first step structure 131 and the second step structure 132 are matched with each other, so that the mesh fabric 20 arranged between the first side frame 11 and the second side frame 12 can be clamped and fixed. Of course, the first clamping surface of the first side frame 11 may be provided with a first raised step structure 131, and the second clamping surface of the second side frame 12 may be provided with a second recessed step structure 132, where the first step structure 131 and the second step structure 132 cooperate with each other. It should be understood that in the above two embodiments of the limiting structure 13, the first short side die 112 and the second short side die 122 are replaced with each other, that is, any one of the first short side die 112 and the second short side die 122 is provided with a raised step structure, and the other one is provided with a recessed step structure, and the two structures are matched to form the limiting structure 13. Thus, the first short side die 112 and the second short side die 122 of the same modulus may be common, i.e., one short side die may be used as both the first short side die 112 and the second short side die 122.
Specifically, in some other embodiments, the limiting structure 13 includes a limiting groove disposed on the first clamping surface and a limiting block disposed on the second clamping surface, where the limiting block is disposed in the limiting groove and is used to clamp and fix the mesh 20. Of course, the limiting structure 13 may also be a limiting groove disposed on the second clamping surface and a limiting block disposed on the first clamping surface. Specifically, as one embodiment, the length direction of the limiting groove is identical to the length direction of the first short side mold 112 or the second short side mold 122. Correspondingly, the limiting block is in a strip shape, and the extending direction of the limiting block is consistent with the length direction of the first short side die 112 or the second short side die 122. Of course, the cooperation of the limiting groove and the limiting block is used for limiting the mesh cloth 20, and the shape and the structure of the mesh cloth are not limited. In addition, it can be appreciated that in the embodiment, the limiting structure 13 has at least two embodiments, and in the first embodiment, the limiting groove may be formed in the first short side mold 112, and the limiting block and the second short side mold 122 are integrally formed. In the second embodiment, the limiting structure 13 may be an additional structure, for example, a first step structure 131 and a second step structure 132, where the first step structure 131 is fixedly connected to the first short side mold 112, and the second step structure 132 is fixedly connected to the second short side mold 122. The limiting structure 13 can clamp the mesh cloth 20 and simultaneously can avoid the inclination of the first side die frame 11 and the second side die frame 12 when in butt joint.
Further, in this embodiment, one end of the adjusting bolt 14 is extended to form a supporting section, the supporting section is provided with a lifting adjusting nut 16, the lifting adjusting nut 16 and the fixing nut 15 are relatively disposed on the outer sides of the first side frame 11 and the second side frame 12 respectively, and the lifting adjusting nut 16 is used for supporting the first side frame 11 or the second side frame 12. Referring to fig. 2, a lifting adjusting nut 16 is positioned below the first side frame 11, a fixing nut 15 is positioned above the second side frame 12, and the lifting adjusting nut 16 is used to support the first side frame 11. The lower end of the adjusting bolt 14 is supported on the die surface or other horizontal surface, the height of the first side die frame 11 can be raised or lowered by rotating the lifting adjusting nut 16, and the distance between the grid cloth 20 and the heat insulation board 30 can be adjusted because the grid cloth 20 is clamped and fixed by the first side die frame 11 and the second side die frame 12.
Further, the length of the adjusting bolt 14 can be adjusted according to the distance between the surface of the thermal insulation board 30 and the surface of the die table or other horizontal plane, and the length is generally 50 mm-300 mm, and the diameter is 8 mm-12 mm.
In some other embodiments, the height adjustment function of the sideform apparatus 10 may also be implemented using a lifting device. The power output end of the lifting device is connected with the first side die frame 11 or the second side die frame 12, and is suitable for adjusting the height of the grid cloth 20. Specifically, the lifting device comprises an air cylinder or a scissor type lifting frame. The lifting device may be separate from the first side frame 11 or may be integrated with the first side frame 11.
Further, the side mold device 10 provided by the invention is suitable for producing protective layers 40 with various specifications, and takes the protective layer 40 with the thickness ranging from 5mm to 30mm as an example, and the single-layer mesh cloth 20, the multi-layer mesh cloth 20 or the galvanized steel wire mesh can be arranged according to different thicknesses of the protective layer 40.
In this embodiment, the installation method of the side mold device 10 includes the steps of:
1) An adjusting bolt 14 is installed. Preparing a first long side die 111 and a second short side die 122, and correspondingly penetrating an adjusting bolt 14 from bottom to top through a first installation through hole of the first long side die 111 and a second installation through hole of the second short side die 122;
2) The first side mold 11 is installed. According to the size of the heat insulation board 30, assembling a first long side die 111 and a first short side die 112, and tightly abutting adjacent side dies;
3) A scrim 20 is laid. The mesh cloth 20 is laid along the first long side mold 111, that is, both ends of the mesh cloth 20 in the length direction are pressed against the two first short side molds 112, and at this time, both ends of the mesh cloth 20 should exceed the first short side molds 112 by 50mm to 100mm in size, referring to fig. 3. Of course, in some other embodiments, the mesh 20 may be laid along the first short side mold 112, that is, two ends of the mesh 20 in the length direction are pressed against the two first long side molds 111, where multiple meshes 20 need to be laid, and the adjacent meshes 20 are ensured to have overlapping joints, and the overlapping joint width is not less than 100mm; that is, there is an overlapping area between adjacent mesh cloths 20 along their long sides, the width of the overlapping area being not less than 100mm;
4) The second side mold 12 is installed. Placing the second long side mold 121 and the second short side mold 122 above the first long side mold 111 and the first short side mold 112, respectively, and passing the upper end of the adjusting bolt 14 through the first installation through hole of the second long side mold 121 and the second installation through hole of the second short side mold 122;
5) A connecting piece 17 is mounted. The connecting sheet 17 is sleeved on the two adjacent adjusting bolts 14, the connecting sheet 17 connects the adjacent second long side die 121 and the second short side die 122, and then the fixing nuts 15 are screwed on all the adjusting bolts 14;
6) The fixing nut 15 is screwed. All the fixing nuts 15 are screwed down, and the side mold device 10 is assembled.
Example 2
The preparation method of the external wall external heat insulation protection system comprises a heat insulation board 30 and a protection layer 40, and the preparation method of the external wall external heat insulation protection system uses the side mold device 10 in the embodiment 1, and comprises the following steps:
step S10, paving an insulation board 30, and tightly fitting and installing a side mold device 10 on the peripheral edge of the insulation board 30;
step S20, paving the grid cloth 20 above the heat-insulating plate 30 and between the first side die frame 11 and the second side die frame 12 of the side die device 10, adjusting the distance between the grid cloth 20 and the heat-insulating plate 30, and tensioning the grid cloth 20 so that a gap is reserved between the grid cloth 20 and the heat-insulating plate 30;
step S30, curing and forming after casting the slurry once so as to solidify the mesh 20 in the middle layer of the slurry;
and S40, disassembling the side die device 10 to obtain the external wall external heat preservation and protection system.
The method provided by the invention is used for preparing the external wall external heat insulation protection system, and the grid cloth 20 is arranged in the middle layer, so that the anti-cracking effect can be achieved. The one-time pouring molding is adopted, so that the engineering quality problems of spalling and cracking of the external thermal insulation protection system of the outer wall caused by repeated pouring, on-site percussion drilling and repeated plastering operation can be avoided.
Specifically, step S10 includes: step S11, installing a first side mold frame 11 around the periphery of the heat insulation board 30; with specific reference to step 1) and step 2) in the installation method of the side mold device 10 in embodiment 1, no further description is provided here.
Step S20 includes the steps of:
step S21, paving the mesh cloth 20 on the first side die frame 11;
step S22, installing a second side die frame 12 on the first side die frame 11, and pressing the second side die frame 12 on the grid cloth 20;
step S23, installing a connecting sheet 17 at the joint of the second long side die 121 and the second short side die 122, and connecting the first side die frame 11 and the second side die frame 12 through an adjusting bolt 14, a fixing nut 15 and a lifting adjusting nut 16;
in step S24, the lifting adjusting nut 16 is slowly screwed to raise the first side frame 11, the mesh cloth 20, and the second side frame 12 to a set height, so as to adjust the casting thickness of the slurry, that is, the forming thickness of the protective layer 40.
In step S25, the first short side mold 112 and the second short side mold 122 on the first side are first screwed by the fixing nut 15 to compress one end of the mesh fabric 20, the second side is pulled by the pulling device to tighten the mesh fabric 20, and the first short side mold 112 and the second short side mold 122 on the second side are screwed by the fixing nut 15 in the tightened state. The grid cloth 20 is tensioned until the grid cloth 20 is parallel to the heat insulation board 30, and attention should be paid to avoid the grid cloth 20 from being broken and make the grid cloth in a tensioned state; according to the existing industry standard JGJ 144 of external wall external insulation engineering technical standard, the quality requirement of the unit area of the used grid cloth 20 is not less than 160g/m 2 When the alkali-resistant breaking strength (warp and weft) of the mesh cloth 20 is not less than 1000N/50mm, the alkali-resistant breaking strength retention rate (warp and weft) is not less than 50%, and the breaking elongation (warp and weft) is not more than 5.0%, so that the tension applied to the mesh cloth 20 by the traction device is set to be 50N/50 mm-200N/50 mm.
Specifically, in step S20, the mesh cloth 20 is tensioned so as to be parallel to the heat insulation board 30.
Further, in step S30, the height of the mesh 20 from the upper surface of the protective layer 40 is monitored at any time during the casting process, and is suitably controlled to be 1/3 to 2/3 of the total thickness of the protective layer 40, that is, the mesh 20 is located at the middle layer or at the side close to the upper surface of the protective layer 40. When the height is smaller than the height range, the mesh cloth 20 is liable to show open net, and when the height is larger than the height range, the mesh cloth 20 cannot play a role in cracking resistance.
The specific scheme for the protective layers with different specifications is as follows:
(1) When the thickness of the protective layer 40 is 5 mm-8 mm, a single-layer mesh 20 is suitably arranged; the distance between the mesh cloth 20 and the upper surface of the molded protective layer 40 is 2 to 4mm.
(2) When the thickness of the protective layer 40 is 8 mm-12 mm, a double-layer mesh 20 is suitably arranged; when the double-layer grid cloth 20 is arranged, the double-layer grid cloth 20 is respectively a first-layer grid cloth 21 close to the heat insulation board 30 and a second-layer grid cloth 22 far away from the heat insulation board 30, the height of a gap between the first-layer grid cloth 21 and the surface of the heat insulation board 30 is 2-3 mm, the height of a gap between the second-layer grid cloth 22 and the first-layer grid cloth 21 is controlled to be 4-6 mm, and the height of a gap between the second-layer grid cloth 22 and the upper surface of the protective layer 40 is controlled to be 2-3 mm. Wherein, the first layer of mesh cloth 21 and the second layer of mesh cloth 22 can keep the distance between the two layers of mesh cloth by arranging cushion blocks or baffle plates.
(3) When the thickness of the protective layer 40 is 12 mm-20 mm, a single-layer galvanized steel wire mesh is suitably arranged; the height of the galvanized steel wire mesh from the upper surface of the protective layer 40 is suitably controlled to be 3mm to 5mm, reducing the probability of rust of the steel wire mesh.
(4) When the thickness of the protective layer 40 is 20mm to 30mm, a double layer galvanized steel wire mesh is suitably provided. When the double-layer galvanized steel wire gauze is arranged, the double-layer galvanized steel wire gauze is respectively a first-layer galvanized steel wire gauze close to the heat insulation board 30 and a second-layer galvanized steel wire gauze far away from the heat insulation board 30. The height of the gap between the first galvanized steel wire mesh and the surface of the heat insulation board 30 is 5 mm-8 mm, the height of the gap between the second galvanized steel wire mesh and the first galvanized steel wire mesh is controlled to be 10 mm-14 mm, and the height of the gap between the second galvanized steel wire mesh and the upper surface of the protective layer 40 is controlled to be 5 mm-8 mm.
The control of the height described above can be adjusted using the adjusting bolt 14.
After the slurry of the protective layer 40 is poured, the plastic film can be cured by watering after final setting, the curing temperature is 20-30 ℃, the curing relative humidity is 60-80%, and the curing time is 20-24 h. The steam curing mode can also be adopted, the curing temperature is 60+/-5 ℃, the curing relative humidity is 90% -100%, and the curing time is 8-12 h.
After step S40, the preparation method of the external wall external heat insulation protection system further includes:
step S50, loosening the tension of the mesh cloth 20;
and S60, removing the die. And cutting off redundant grid cloth 20 or galvanized steel wire gauze around the wallboard, removing the die, naturally curing, hoisting the wallboard when the strength of the protective layer 40 reaches 70%, and leaving the factory when the strength of the protective layer 40 reaches 100%.
According to the above description, the present patent application has the following advantages:
1. the side mold device 10 can be used for fixing the grid cloth 20 to enable the grid cloth 20 to be positioned in the middle layer of the protective layer 40, and an external wall external heat insulation protection system prepared by adopting the side mold device 10 can effectively prevent the engineering quality problems of peeling and cracking; the limiting structure 13 can limit and fix the gridding cloth 20 to prevent the gridding cloth 20 from sliding down;
2. the thickness of the protective layer 40 and the distance between the grid cloth 20 and the heat insulation plate 30 can be adjusted by the adjusting bolts 14 and the lifting adjusting nuts 16, so that the device is suitable for production and preparation of external wall external heat insulation protection systems with various specifications, and has good universality and high flexibility;
3. the preparation method of the external wall external heat preservation and protection system adopts one-time casting molding, and avoids the engineering quality problems of peeling and cracking of the external wall external heat preservation and protection system caused by repeated casting, on-site percussion drilling and repeated plastering operation.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the invention.
Claims (9)
1. A side form apparatus comprising:
a first side mold frame (11);
the second side die frame (12) is detachably connected to the first side die frame (11) in a pressing mode through a connecting structure;
the limiting structure (13) is arranged between the first side die frame (11) and the second side die frame (12) and is suitable for fixing the grid cloth (20) between the first side die frame (11) and the second side die frame (12);
the connecting structure comprises an adjusting bolt (14) and a fixing nut (15), and the adjusting bolt (14) and the fixing nut (15) are in threaded fit so as to detachably connect the first side die frame (11) and the second side die frame (12); one end extension of adjusting bolt (14) sets up and forms the braced section, be equipped with lift adjusting nut (16) on the braced section, lift adjusting nut (16), fixation nut (15) are relative locate respectively first limit frame (11) the outside of second limit frame (12), lift adjusting nut (16) are used for supporting first limit frame (11) or second limit frame (12).
2. The side mold device according to claim 1, wherein the first side mold frame (11) is provided with a first clamping surface, the second side mold frame (12) is provided with a second clamping surface matched with the first clamping surface, the limiting structure (13) is arranged between the first clamping surface and the second clamping surface, and the first clamping surface is abutted with the second clamping surface so as to clamp and fix the mesh cloth (20) between the first side mold frame (11) and the second side mold frame (12).
3. The sideform apparatus according to claim 2, wherein said limit structure (13) comprises a first step structure (131) provided on said first clamping surface and a second step structure (132) provided on said second clamping surface, said first step structure (131) and said second step structure (132) being butt-fitted for clamping and fixing said scrim (20).
4. The sideform apparatus according to claim 2, wherein the limit structure (13) comprises a limit groove provided on the first clamping surface and a limit block provided on the second clamping surface, the limit block being provided in the limit groove for clamping and fixing the mesh cloth (20).
5. The side die device according to claim 1, wherein the first side die frame (11) comprises two first long side dies (111) and two first short side dies (112), and the first long side dies (111) and the first short side dies (112) are connected end to end in a staggered manner; the second side die frame (12) comprises two second long side dies (121) and two second short side dies (122), and the second long side dies (121) and the first short side dies (112) are connected end to end in a staggered mode.
6. The side die device according to claim 5, wherein both ends of the first long side die (111) and the second long side die (121) are respectively provided with a first mounting through hole through which the adjusting bolt (14) passes, and both ends of the first short side die (112) and the second short side die (122) are respectively provided with a second mounting through hole through which the adjusting bolt (14) passes; in the second side die frame (12), connecting pieces (17) are arranged between the adjacent first mounting through holes and the second mounting through holes, and the fixing nuts (15) are tightly pressed on the connecting pieces (17).
7. A method for preparing an external thermal insulation protection system of an external wall, characterized in that the external thermal insulation protection system of the external wall comprises a thermal insulation board (30) and a protection layer (40), and the method for preparing the external thermal insulation protection system of the external wall utilizes the side mold device as set forth in any one of claims 1-6, and comprises the following steps:
s10, paving the heat-insulating plate (30), and tightly fitting the side mold device on the peripheral edge of the heat-insulating plate (30);
step S20, paving a grid cloth (20) above the heat-insulating plate (30) and between a first side die frame (11) and a second side die frame (12) of the side die device, adjusting the distance between the grid cloth (20) and the heat-insulating plate (30), and tensioning the grid cloth (20) so as to enable a gap to be reserved between the grid cloth (20) and the heat-insulating plate (30);
step S30, curing and forming after casting the slurry once, so that the mesh cloth (20) is solidified in the middle layer of the slurry;
and S40, disassembling the side die device to obtain the external wall external heat preservation and protection system.
8. The method for manufacturing an external wall external thermal insulation protection system according to claim 7, wherein in step S20, the mesh cloth (20) is tensioned so as to be parallel to the thermal insulation board (30), and when the thickness of the protective layer (40) is 5mm to 8mm, the distance between the mesh cloth (20) and the upper surface of the protective layer (40) after molding is 2mm to 4mm.
9. The method for manufacturing an external wall external thermal insulation protection system according to claim 8, wherein the side mold device comprises a second long side mold (121), a second short side mold (122) and a connecting sheet (17), and the method for manufacturing the external wall external thermal insulation protection system further comprises the steps of:
the step S10 includes: s11, installing the first side mold frame (11) around the heat insulation board (30);
step S20 includes the steps of:
step S21, paving the grid cloth (20) on the first side die frame (11);
step S22, installing the second side die frame (12) on the first side die frame (11), wherein the second side die frame (12) is pressed on the grid cloth (20);
s23, installing a connecting sheet (17) at the joint of the second long side die (121) and the second short side die (122), and connecting the first side die frame (11) with the second side die frame (12) through an adjusting bolt (14), a fixing nut (15) and a lifting adjusting nut (16);
step S24, slowly screwing the lifting adjusting nut (16) to enable the first side die frame (11), the grid cloth (20) and the second side die frame (12) to rise to a set height;
step S25, first short side dies (112) and second short side dies (122) on the first side are screwed through the fixing nuts (15) to press one end of the mesh cloth (20), the mesh cloth (20) is tensioned on the second side, and the first short side dies (112) and the second short side dies (122) on the second side are screwed through the fixing nuts (15) in a tensioned state.
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| CN202210392834.6A CN114800772B (en) | 2022-04-14 | 2022-04-14 | Side mold device and preparation method of external wall external heat preservation and protection system |
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| CA2321445A1 (en) * | 2000-10-27 | 2002-04-27 | Mike Curic | Polymer-stone interlocking insulating exterior building panel |
| CN204054294U (en) * | 2014-08-07 | 2014-12-31 | 中铁一局集团厦门建设工程有限公司 | A kind of flexible edge mould |
| CN213533087U (en) * | 2021-03-18 | 2021-06-25 | 江苏筑森建筑设计有限公司 | Leak protection thick liquid and equipment swift prefabricated coincide floor mould |
| CN113482182A (en) * | 2021-07-13 | 2021-10-08 | 重庆安笛建筑科技有限公司 | Construction method of building external wall heat preservation and insulation system |
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|---|---|---|---|---|
| CA2321445A1 (en) * | 2000-10-27 | 2002-04-27 | Mike Curic | Polymer-stone interlocking insulating exterior building panel |
| CN204054294U (en) * | 2014-08-07 | 2014-12-31 | 中铁一局集团厦门建设工程有限公司 | A kind of flexible edge mould |
| CN213533087U (en) * | 2021-03-18 | 2021-06-25 | 江苏筑森建筑设计有限公司 | Leak protection thick liquid and equipment swift prefabricated coincide floor mould |
| CN113482182A (en) * | 2021-07-13 | 2021-10-08 | 重庆安笛建筑科技有限公司 | Construction method of building external wall heat preservation and insulation system |
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