CN114800772A - Side formwork device and preparation method of external thermal insulation protection system of external wall - Google Patents
Side formwork device and preparation method of external thermal insulation protection system of external wall Download PDFInfo
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- CN114800772A CN114800772A CN202210392834.6A CN202210392834A CN114800772A CN 114800772 A CN114800772 A CN 114800772A CN 202210392834 A CN202210392834 A CN 202210392834A CN 114800772 A CN114800772 A CN 114800772A
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- 238000009413 insulation Methods 0.000 title claims abstract description 91
- 238000009415 formwork Methods 0.000 title claims abstract description 56
- 238000002360 preparation method Methods 0.000 title abstract description 16
- 239000004744 fabric Substances 0.000 claims abstract description 136
- 238000000465 moulding Methods 0.000 claims abstract description 10
- 239000002002 slurry Substances 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 14
- 210000001503 joint Anatomy 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000002035 prolonged effect Effects 0.000 claims 1
- 238000005336 cracking Methods 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 49
- 239000011241 protective layer Substances 0.000 description 38
- 229910001335 Galvanized steel Inorganic materials 0.000 description 15
- 239000008397 galvanized steel Substances 0.000 description 15
- 239000003513 alkali Substances 0.000 description 6
- 238000004321 preservation Methods 0.000 description 6
- 239000002344 surface layer Substances 0.000 description 6
- 238000005553 drilling Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 238000009527 percussion Methods 0.000 description 4
- 239000004793 Polystyrene Substances 0.000 description 3
- 229920002223 polystyrene Polymers 0.000 description 3
- 239000002356 single layer Substances 0.000 description 3
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- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
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- 238000005260 corrosion Methods 0.000 description 1
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- 239000003365 glass fiber Substances 0.000 description 1
- 238000011065 in-situ storage Methods 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
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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 formwork device and a preparation method of an external thermal insulation protection system of an external wall, and relates to the technical field of thermal insulation for buildings. The side die device comprises a first side die frame, a second side die frame and a limiting structure. The second side formwork frame is detachably connected to the first side formwork frame in a press fit mode through a connecting structure; the limiting structure is arranged between the first side mold frame and the second side mold frame and is suitable for fixing the gridding cloth between the first side mold frame and the second side mold frame. The preparation method of the external thermal insulation protection system for the external wall comprises the steps of stretching the mesh cloth on the middle layer of the protection layer and carrying out one-time pouring molding. The invention can solve the engineering quality problems of peeling and cracking of the external thermal insulation protection system of the external wall in the prior art, and has the effect of cracking resistance.
Description
Technical Field
The invention relates to the technical field of heat preservation for buildings, in particular to a side formwork device and a preparation method of an external heat preservation protection system of an external wall.
Background
In a building, the heat loss of the outer enclosure structure is large, and the heat loss of the wall body structure in the outer enclosure structure accounts for a large proportion, namely about 60-70%. The energy-saving requirement of the building industry is continuously improved, and the external wall external heat insulation has become the main form of the heat insulation of the energy-saving wall body in China. The design standard of 75% of energy conservation of residential buildings is comprehensively implemented, so that the thickness of the external wall heat-insulating layer is greatly increased, and more engineering problems follow, wherein the existing external wall heat-insulating thin plastering system has the defect of engineering quality problems of peeling and cracking of the heat-insulating layer caused by plastering operation due to the fact that a drill hole needs to be punched.
Disclosure of Invention
Therefore, the invention aims to overcome the defect of engineering quality problems of peeling and cracking of the insulating layer caused by percussion drilling and plastering operation in the external wall external thermal insulation thin plastering system in the prior art, and provides a side form device and a preparation method of the external wall external thermal insulation protection system.
In order to solve the above problems, an aspect of the present invention provides a side form device, which includes a first side form frame, a second side form frame, and a limiting structure. The second side formwork frame is detachably connected to the first side formwork frame in a press fit mode through a connecting structure; the limiting structure is arranged between the first side mold frame and the second side mold frame and is suitable for fixing the gridding cloth between the first side mold frame and the second side mold frame.
Optionally, the first side formwork frame is provided with a first clamping face, the second side formwork frame is provided with a second clamping face matched with the first clamping face, the limiting structure is arranged between the first clamping face and the second clamping face, and the first clamping face is in butt joint with the second clamping face so as to clamp and fix the mesh cloth between the first side formwork frame and the second side formwork frame.
Optionally, the limiting structure comprises 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 fit and used for clamping and fixing the mesh cloth.
Optionally, the limiting structure comprises a limiting groove arranged on the first clamping surface and a limiting block arranged on the second clamping surface, and the limiting block is arranged in the limiting groove and used for clamping and fixing the mesh cloth.
Optionally, the connecting structure comprises an adjusting bolt and a fixing nut, and the adjusting bolt and the fixing nut are in threaded fit to detachably connect the first side formwork frame and the second side formwork frame.
Optionally, one end of the adjusting bolt is extended to form a supporting section, a lifting adjusting nut is arranged on the supporting section, the lifting adjusting nut and the fixing nut are oppositely arranged on the outer sides of the first side mold frame and the second side mold frame respectively, and the lifting adjusting nut is used for supporting the first side mold frame or the second side mold frame.
Optionally, the grid cloth lifting device further comprises a lifting device, wherein a power output end of the lifting device is connected with the first side mold frame or the second side mold frame and is suitable for adjusting the height of the grid cloth.
Optionally, the first side formwork frame comprises two first long side formworks and two first short side formworks, and the first long side formworks and the first short side formworks are staggered in an end-to-end manner; the second side formwork frame comprises two second long side formworks and two second short side formworks, and the second long side formworks and the first short side formworks are staggered in end-to-end connection.
Optionally, the two ends of the first long side die and the second long side die are correspondingly provided with first installation through holes for the adjusting bolts to pass through, the two ends of the first short side die and the second short side die are correspondingly provided with second installation through holes for the adjusting bolts to pass through, in the second side die frame, connecting pieces are arranged between the adjacent first installation through holes and the adjacent second installation through holes, and fixing nuts are tightly pressed on the connecting pieces.
The invention provides a preparation method of an external thermal insulation protection system of an external wall, the external thermal insulation protection system of the external wall comprises a thermal insulation board and a protective layer, the preparation method of the external thermal insulation protection system of the external wall utilizes the side form device in any one of the above technical schemes, and the preparation method comprises the following steps:
step S10, laying an insulation board, and mounting a side form device on the periphery of the insulation board in a tight fit manner;
step S20, laying gridding cloth above the heat insulation plate and between the first side mold frame and the second side mold frame of the side mold device, adjusting the distance between the gridding cloth and the heat insulation plate, and tensioning the gridding cloth to enable a gap to be reserved between the gridding cloth and the heat insulation plate;
step S30, curing and forming after the slurry is poured once so as to enable the grid cloth to be solidified in the middle layer of the slurry;
and step S40, disassembling the side formwork device to obtain the external thermal insulation protection system of the external wall.
Optionally, in step S20, the mesh cloth is tensioned to be parallel to the heat-insulating plate, and when the thickness of the protective layer is 5mm to 8mm, the distance between the mesh cloth and the upper surface of the molded external thermal insulation protective system for the external wall is 2mm to 4 mm.
Optionally, step S10 includes: step S11, installing a first side mold frame around the heat-insulation plate;
step S20 includes the following steps:
step S21, laying mesh cloth on the first side mold frame;
step S22, mounting a second side formwork frame on the first side formwork frame, and pressing the second side formwork frame on the mesh cloth;
step S23, mounting a connecting sheet at the connecting position of the second long side form and the second short side form, and connecting the first side form frame and the second side form frame through an adjusting bolt, a fixing nut and a lifting adjusting nut;
step S24, slowly screwing the lifting adjusting nut to lift the first side mold frame, the grid cloth and the second side mold frame to a set height;
and step S25, the first short side die and the second short side die on the first side are screwed down through fixing nuts to compress one end of the gridding cloth, the gridding cloth is tensioned on the second side through a traction device, and the first short side die and the second short side die on the second side are screwed down through fixing nuts in a tensioned state.
Optionally, in step S22, the mesh cloth is laid along the first long-side mold, and the length of the two side edges of the mesh cloth beyond the first short-side mold is 50mm to 100 mm; or, a plurality of layers of gridding cloth are laid along the first short-side die, the adjacent gridding cloth are overlapped, and the overlapping width is not less than 100 mm.
The invention has the following advantages:
1. by utilizing the technical scheme of the invention, the limiting structure is arranged between the first side formwork frame and the second side formwork frame, and the gridding cloth can be fixed between the first side formwork frame and the second side formwork frame, so that when the side formwork device is used for preparing an external thermal insulation protection system of an external wall, the gridding cloth is positioned and solidified in the middle layer of the slurry. The grid cloth is supported by the first side mold frame to keep a certain distance from the insulation board downwards, and the grid cloth is supported by the second side mold frame to be still capable of covering the slurry upwards instead of being directly paved on the surface layer of the slurry. After the protective layer is formed, the mesh fabric is finally positioned on the middle layer of the protective layer instead of the bottom layer or the top layer, so that the anti-cracking effect can be achieved. Spacing structure can carry out spacing fixed to net cloth, prevents the net cloth landing.
2. The first side mold frame and the second side mold frame are detachably connected through the matching of the adjusting bolt and the fixing nut. Lifting adjusting nut plays the supporting role to first side form frame or second side form frame, can adjust the interval between side form device and the heated board, can adjust the distance between net cloth and the heated board simultaneously, realizes adjusting the thickness of protective layer, adapts to the production preparation of the outer heat preservation protection system of outer wall of multiple specification, and the commonality is good, and the flexibility ratio is high.
3. The first side formwork frame is composed of a first long side formwork and a first short side formwork, the second side formwork frame is composed of a second long side formwork and a second short side formwork, the side formwork devices of different specifications can be formed by selecting the first long side formwork, the first short side formwork, the second long side formwork and the second short side formwork of different specifications, and the outer wall outer heat preservation protection system is suitable for preparing outer wall outer heat preservation protection systems of various specifications.
4. The adjacent first mounting through holes and the second mounting through holes are connected through connecting pieces, so that the adjacent first long side forms and the adjacent first short side forms are connected through the connecting pieces, and/or the adjacent second long side forms and the adjacent second short side forms are connected through the connecting pieces, so that the adjacent side forms are firmly connected, and the condition of the expansion die is avoided.
5. The method provided by the invention is used for preparing the external thermal insulation protection system of the external wall, and the grids are arranged on 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 peeling and cracking of the external thermal insulation protection system of the external 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 used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural diagram of an edge mold device provided by an embodiment of the invention;
FIG. 2 shows a partial enlarged view of FIG. 1;
FIG. 3 shows a structural schematic of a first sideform frame for laying a scrim;
fig. 4 shows a schematic structural diagram of an external thermal insulation protection system of an external wall.
Description of reference numerals:
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 form frame; 121. a second long side die; 122. a second short side die; 13. a limiting structure; 131. a first step structure; 132. a second step structure; 14. adjusting the bolt; 15. fixing a nut; 16. a lifting adjusting nut; 17. connecting sheets; 20. mesh cloth; 21. a first layer of mesh cloth; 22. Two layers of mesh cloth; 30. a thermal insulation board; 40. and a protective layer.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular 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 otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
For convenience of describing the technical scheme of the present invention, the following detailed description is provided in conjunction with the accompanying drawings and specific embodiments, but the embodiments should not be construed as limiting the present invention.
Example 1
A side form device is used for enclosing around a heat insulation board 30, forming a pouring mold of a wallboard and the like with the heat insulation board 30 and forming a forming protective layer, and the protective layer and the heat insulation board form an external wall external heat insulation protection system. The external thermal insulation of the external wall is a thermal insulation method for placing a thermal insulation layer outside a main wall material, and the external thermal insulation is a thermal insulation method which is widely applied and is also a thermal insulation method vigorously advocated by the state because the external thermal insulation layer protects the main wall material from temperature deformation stress. The side formwork device provided by the embodiment of the invention can realize that the preparation of the external wall external thermal insulation protection system is completed in advance in a factory, the protection layer and the thermal insulation board 30 are fixed through concrete pouring, compared with the preparation of the external wall external thermal insulation system in the current domestic existing engineering practice application, the engineering quality problems of thermal insulation layer stripping, cracking and the like caused by field impact drilling and plastering operation are avoided, and the side formwork device is suitable for a grouting sleeve solid shear wall and can also be used for a double-faced superposed shear wall.
Referring to fig. 1, the sideform apparatus 10 includes a first sideform frame 11, a second sideform frame 12, and a stopper structure 13. The second side mold frame 12 is detachably connected to the first side mold frame 11 in a press fit mode through a connecting structure; the limiting structure 13 is arranged between the first side mold frame 11 and the second side mold frame 12 and is suitable for fixing the gridding cloth 20 between the first side mold frame 11 and the second side mold frame 12.
By utilizing the technical scheme of the invention, the limiting structure 13 is arranged between the first side mold frame 11 and the second side mold frame 12, and the grid cloth 20 can be fixed between the first side mold frame 11 and the second side mold frame 12, so that when the side mold device 10 is used for preparing an external thermal insulation protection system of an external wall, the grid cloth 20 is positioned and solidified in the middle layer of slurry, and the protective layer is obtained after the slurry is cured and formed. It should be noted that, the mesh cloth 20 is solidified in the middle layer of the slurry and the middle layer located in the protective layer 40, which means that the lower surface of the mesh cloth 20 is not in contact with the insulation board 30, and the upper surface of the mesh cloth 20 is not exposed, that is, the mesh cloth 20 is located in the protective layer 40, in other words, the mesh cloth 20 is not located at the bottom of the protective layer 40, nor located at the top of the protective layer 40, that is, located in the middle layer of the protective layer 40. The mesh cloth 20 is supported by the first side mold frame 11, and a gap is left between the mesh cloth and the heat insulation plate 30. The mesh cloth 20 is not in contact with the insulation board 30 downward, or a certain distance is kept between the mesh cloth 20 and the insulation board 30. The mesh cloth 20 can still cover the slurry upwards due to the support of the second side mould frame 12, and is not directly laid on the surface layer of the slurry. After the protective layer 40 is formed, the mesh fabric 20 is finally located at the middle layer of the protective layer 40, rather than at the bottom layer or the top layer, and can play a role in resisting cracking. The limiting structure 13 can limit and fix the mesh cloth 20, and prevent the mesh cloth 20 from sliding off.
The heat insulation board 30 may be one or two of a reinforced vertical-filament rock wool board, a mesh reinforced rock wool board, a foamed ceramic board, a foamed concrete board, a foam glass board, a thermosetting composite polystyrene foam heat insulation board 30, an inorganic composite polystyrene non-combustible heat insulation board 30, a molded polystyrene board (EPS), an extruded polystyrene board (XPS), a polyurethane board (PUR), and a phenolic board (PF).
The mesh cloth 20 is an alkali-resistant mesh cloth. The alkali-resistant mesh cloth can be one of alkali-resistant glass fiber mesh cloth and basalt mesh cloth, and can also be replaced by galvanized steel wire meshes. When the alkali-resistant mesh fabric is adopted, the mass per unit area is not less than 160g/m 2 The center distance of the meshes is 4 mm-6 mm, and other indexes meet the relevant regulations of 'technical standards for external thermal insulation engineering for external walls' JGJ 144. When the galvanized steel wire mesh is adopted, the center distance of meshes is not less than 10mm, the wire diameter is 0.8 mm-1.0 mm, and the mass of a galvanized layer is not less than 122g/m 2 . The grid cloth 20 is a reinforcing material of the external wall heat-insulating surface layer, and mainly has the following functions: the mechanical strength of the surface layer is improved, the resistance continuity of the heat-insulating layer is ensured, the contraction pressure and the heat-insulating stress of the surface layer are dispersed, the stress concentration is avoided, and the surface layer cracking caused by natural temperature and humidity changes and accidental impact is resisted.
Specifically, referring to fig. 1, the first side form frame 11 includes two first long side forms 111 and two first short side forms 112, and the first long side forms 111 and the first short side forms 112 are staggered and connected end to end; specifically, two first long side forms 111 are arranged in parallel, two first short side forms 112 are arranged in parallel, and every two first long side forms are connected end to form a rectangular frame structure. The second side form frame 12 comprises two second long side forms 121 and two second short side forms 122, and the second long side forms 121 and the first short side forms 112 are staggered end to end. In the orientation of fig. 1 and 2, the first side mold frame 11 is located below, and the second side mold frame 12 is located above the first side mold frame 11.
The side form device 10 is rectangular, the sizes of the first long side form 111, the first short side form 112, the second long side form 121 and the second short side form 122 can be adjusted according to the size of the wall panel, generally, the first long side form 111 and the second long side form 121 are in the height direction of the wall panel, and the first short side form 112 and the second short side form 122 are in the width direction of the wall panel. The sizes of the first side formwork frame 11 and the second side formwork frame 12 can be adjusted at will according to the size of the conventional wallboard, and the flexibility is good.
Specifically, 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 to detachably connect the first side form frame 11 and the second side form 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 mounting 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 mounting through hole for the adjusting bolt 14 to pass through, and the diameter ranges of the first mounting through hole and the second mounting through hole are 8 mm-12 mm. In the first side mold frame 11 and the second side mold frame 12, a connecting piece 17 is arranged between the adjacent first mounting through hole and the second mounting through hole, and the fixing nut 15 is tightly pressed on the connecting piece 17. Specifically, the connecting 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 first mounting through holes of a first long side form 111 and a second long side form 121 from bottom to top, a second adjusting bolt 14 penetrates second mounting through holes of a first short side form 112 and a second short side form 122 from bottom to top, and after a connecting piece 17 is sleeved on the first adjusting bolt 14 and the second adjusting bolt 14, the first adjusting bolt and the second adjusting bolt are respectively screwed by a fixing nut 15 to connect a first side form frame 11 and a second side form frame 12. Of course, a first mounting through hole may be additionally formed in the middle of the first long side form 111 and the second long side form 121, a second mounting through hole may be additionally formed in the middle of the first short side form 112 and the second short side form 122, and the first mounting through hole and the second mounting through hole are locked by the adjusting bolt 14 and the fixing nut 15, so that the connection strength between the first side form frame 11 and the second side form frame 12 may be enhanced, and the phenomenon of mold expansion during the slurry forming process may be 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 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 mesh cloth 20 between the first side mold frame 11 and the second side mold frame 12. That is, the mesh cloth 20 is sandwiched and fixed by the first and second sandwiching surfaces. First side form frame 11 and second side form frame 12 carry out the centre gripping through first clamping face and second clamping face to net cloth 20 and fix, can enlarge the area of contact between first side form frame 11, second side form frame 12 and the net cloth 20 on the one hand, strengthen frictional force, guarantee that net cloth 20 centre gripping is more stable, on the other hand, can guarantee not take place the slope when first side form frame 11 and second side form frame 12 dock.
Further, the length of the first long side form 111 and the second long side form 121 is matched with the height of a building layer, the general size range is 2700 mm-3300 mm, and the length of the first short side form 112 and the second short side form 122 is divided into two conditions of a door and window opening and a door and window opening according to the shape of the wallboard component: when the wall plate is provided with a door and window hole, the size range of the first short side die 112 and the second short side die 122 is 1500 mm-3900 mm, and the modulus of increase is 300 mm; for example, when the size of the wall panel is 1800mm, a second short side form 122 with a length of 300mm is added on the basis of the second short side form 122 with a 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 added modulus is 300 mm. When the wall panel member has other dimensions, the first long side form 111, the second short side form 122, the first short side form 112 and the second short side form 122 may be sized to have a length of 50mm for easy adjustment.
Further, referring to fig. 2, the position 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, and the first step structure 131 and the second step structure 132 are in butt-joint fit for clamping and fixing the mesh cloth 20. As seen from the orientation of fig. 2, the first clamping surface of the first side form frame 11 is provided with a concave first step structure 131, the second clamping surface of the second side form 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 to clamp and fix the mesh cloth 20 arranged between the first side form frame 11 and the second side form frame 12. Of course, the first clamping surface of the first side form frame 11 may be provided with a convex first step structure 131, the second clamping surface of the second side form frame 12 may be provided with a concave second step structure 132, and the first step structure 131 and the second step structure 132 are matched with each other. It can be understood that, in the above two embodiments of the position limiting structure 13, the first short side die 112 and the second short side die 122 are used alternatively, that is, either one of the first short side die 112 and the second short side die 122 is provided with a convex step structure, and the other one is provided with a concave step structure, and the two structures cooperate to form the position limiting structure 13. Therefore, the first short side mold 112 and the second short side mold 122 of the same modulus may be used in common, that is, one short side mold may be used as both the first short side mold 112 and the second short side mold 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, and the limiting block is disposed in the limiting groove and is used for clamping and fixing the mesh cloth 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 the same as the length direction of the first short side die 112 or the second short side die 122. Correspondingly, the limiting block is in a long 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 matching of the limiting groove and the limiting block is used for limiting the grid cloth 20, and the shape and the structure are not limited. In addition, it can be understood that, in the specific implementation, 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 a second embodiment, the position-limiting structure 13 may also be an additional structure, and taking the first step structure 131 and the second step structure 132 as an example, the additional first step structure 131 is fixedly connected with the first short-side die 112, and the additional second step structure 132 is fixedly connected with the second short-side die 122. The limiting structure 13 can not only clamp the mesh cloth 20, but also prevent the first side mold frame 11 and the second side mold frame 12 from inclining when being butted.
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 oppositely disposed on the outer sides of the first side mold frame 11 and the second side mold frame 12, respectively, and the lifting adjusting nut 16 is used for supporting the first side mold frame 11 or the second side mold frame 12. Referring to fig. 2, the elevation adjustment nut 16 is positioned below the first side mold frame 11, the fixing nut 15 is positioned above the second side mold frame 12, and the elevation adjustment nut 16 supports the first side mold frame 11. The lower end of the adjusting bolt 14 is supported on a die table surface or other horizontal planes, the height of the first side die frame 11 can be raised or lowered by rotating the lifting adjusting nut 16, and the mesh cloth 20 is clamped and fixed by the first side die frame 11 and the second side die frame 12, so that the distance between the mesh cloth 20 and the heat insulation board 30 can be adjusted.
Further, the length of the adjusting bolt 14 can be adjusted according to the distance between the surface of the heat-insulating plate 30 and the surface of the die table or other horizontal planes, and generally ranges from 50mm to 300mm in length and from 8mm to 12mm in diameter.
In some other embodiments, the height adjustment function of the sideform apparatus 10 may also be performed using a lifting device. The power output end of the lifting device is connected with the first side mold frame 11 or the second side mold frame 12 and is suitable for adjusting the height of the grid cloth 20. Specifically, the lifting device comprises a cylinder or a scissor type lifting frame. The lifting device may be separated from the first side mold frame 11 or integrated with the first side mold frame 11.
Further, the side form device 10 provided by the invention is suitable for producing protective layers 40 with various specifications, and taking the protective layer 40 with the thickness range of 5 mm-30 mm as an example, a single-layer grid cloth 20, a plurality of layers of grid cloth 20 or a 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 form device 10 includes the following steps:
1) the 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 through a first mounting through hole of the first long side die 111 and a second mounting through hole of the second short side die 122 from bottom to top;
2) the first sideform frame 11 is installed. According to the size of the heat insulation board 30, a first long side form 111 and a first short side form 112 are assembled, and adjacent side forms are abutted;
3) a mesh cloth 20 is laid. The mesh cloth 20 is laid along the first long side form 111, that is, both ends of the mesh cloth 20 in the length direction are pressed on the two first short side forms 112, and at this time, the size range of both ends of the mesh cloth 20 beyond the first short side forms 112 is 50mm to 100mm, see fig. 3. Of course, in some other embodiments, the mesh cloth 20 may be laid along the first short side forms 112, that is, both ends of the mesh cloth 20 in the length direction are pressed on the two first long side forms 111, at this time, a plurality of mesh cloths 20 need to be laid, and it is ensured that the adjacent mesh cloths 20 are overlapped, and the overlapping width is not less than 100 mm; that is, there is an overlapping area between the adjacent meshes 20 along the long sides thereof, and the width of the overlapping area is not less than 100 mm;
4) the second sideform frame 12 is installed. Placing a second long side die 121 and a second short side die 122 above the first long side die 111 and the first short side die 112 respectively, and passing the upper end of the adjusting bolt 14 through a first mounting through hole of the second long side die 121 and a second mounting through hole of the second short side die 122;
5) the connecting piece 17 is mounted. Sleeving the connecting sheet 17 on the two adjacent adjusting bolts 14, connecting the second long side die 121 and the second short side die 122 which are adjacent by the connecting sheet 17, and screwing the fixing nuts 15 on all the adjusting bolts 14;
6) the fixing nut 15 is tightened. All the fixing nuts 15 are tightened, and the side form device 10 is assembled.
Example 2
A preparation method of an external thermal insulation protection system of an external wall comprises a thermal insulation board 30 and a protective layer 40, and the preparation method of the external thermal insulation protection system of the external wall utilizes the side form device 10 described in embodiment 1, and comprises the following steps:
step S10, laying the heat insulation board 30, and tightly fitting the edge mold device 10 on the peripheral edge of the heat insulation board 30;
step S20, paving the mesh cloth 20 above the heat insulation plate 30 and between the first side mold frame 11 and the second side mold frame 12 of the side mold device 10, adjusting the distance between the mesh cloth 20 and the heat insulation plate 30, and tensioning the mesh cloth 20 to enable the mesh cloth 20 and the heat insulation plate 30 to leave a gap;
step S30, curing and forming after the slurry is poured once so that the mesh cloth 20 is solidified in the middle layer of the slurry;
and step S40, disassembling the side formwork device 10 to obtain the external thermal insulation protection system of the external wall.
The method provided by the invention is used for preparing the external thermal insulation protection system of the external wall, and the grid cloth 20 is arranged in the middle layer and can play a role in resisting cracking. The one-time pouring molding is adopted, so that the engineering quality problems of peeling and cracking of the external thermal insulation protection system of the external 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 heat insulation board 30; specifically, refer to step 1) and step 2) in the method for installing the side mold device 10 in embodiment 1), which are not described herein again.
Step S20 includes the following steps:
step S21, laying the mesh cloth 20 on the first side mold frame 11;
step S22, mounting the second side form frame 12 on the first side form frame 11, and pressing the second side form frame 12 on the mesh cloth 20;
step S23, mounting a connecting sheet 17 at the connecting position of the second long side form 121 and the second short side form 122, and connecting the first side form frame 11 and the second side form 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 lift the first side form frame 11, the mesh cloth 20 and the second side form frame 12 to a set height, so as to adjust the casting thickness of the slurry, that is, the molding thickness of the protective layer 40.
Step S25, the first short side form 112 and the second short side form 122 on the first side are tightened by the fixing nut 15 to compress one end of the mesh cloth 20, the mesh cloth 20 is tightened by the traction device on the second side, and the first short side form 112 and the second short side form 122 on the second side are tightened by the fixing nut 15 in a tightened state. Tightening the grid cloth 20 to the grid cloth 20 and the heat preservation plate30, taking care to avoid the grid cloth 20 from being pulled apart and to be in a tense state; according to the existing industry standard JGJ 144 of external wall external thermal insulation engineering technical standard, the used grid cloth 20 has the mass requirement of no less than 160g/m per unit area 2 In the process, the alkali-resistant breaking strength (warp and weft) of the mesh cloth 20 should be not less than 1000N/50mm, the alkali-resistant breaking strength retention rate (warp and weft) should be not less than 50%, and the breaking elongation (warp and weft) should not be 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 to be parallel to the insulation board 30.
Further, in step S30, the height of the mesh cloth 20 from the upper surface of the protective layer 40 is monitored at any time during the casting process, and the height is suitably controlled to be 1/3-2/3 of the total thickness of the protective layer 40, that is, the mesh cloth 20 is located at the middle layer or the side close to the upper surface of the protective layer 40. When the height is less than the height range, the mesh cloth 20 is likely to be exposed, and when the height is greater than the height range, the mesh cloth 20 cannot perform the crack resistance.
Aiming at protective layers with different specifications, the specific scheme is as follows:
(1) when the thickness of the protective layer 40 is 5 mm-8 mm, the single-layer mesh cloth 20 is suitably arranged; the distance between the mesh cloth 20 and the upper surface of the formed protective layer 40 is 2-4 mm.
(2) When the thickness of the protective layer 40 is 8 mm-12 mm, the double-layer mesh cloth 20 is suitably arranged; when setting up double-deck net cloth 20, double-deck net cloth 20 is the first layer net cloth 21 that is close to heated board 30 and keeps away from two layers of net cloth 22 of heated board 30 respectively, and the height in the clearance on first layer net cloth 21 and heated board 30 surface is 2mm ~ 3mm, and two layers of net cloth 22 and the control of the clearance height in the clearance of first layer net cloth 21 are 4mm ~ 6mm, and the height control in the clearance in the upper surface of two layers of net cloth 22 and protective layer 40 is 2mm ~ 3 mm. Wherein, the distance between the first layer of grid cloth 21 and the second layer of grid cloth 22 can be kept by arranging cushion blocks or baffles.
(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 properly controlled to be 3-5 mm, and the probability of corrosion of the steel wire mesh is reduced.
(4) When the thickness of the protective layer 40 is 20 mm-30 mm, a double-layer galvanized steel wire mesh is suitably arranged. When the double-layer galvanized steel wire mesh is arranged, the double-layer galvanized steel wire mesh is the first layer galvanized steel wire mesh close to the heat insulation board 30 and the second layer galvanized steel wire mesh far away from the heat insulation board 30. The height of the gap between the first layer of galvanized steel wire mesh and the surface of the heat insulation board 30 is 5-8 mm, the height of the gap between the second layer of galvanized steel wire mesh and the first layer of galvanized steel wire mesh is controlled to be 10-14 mm, and the height of the gap between the second layer of galvanized steel wire mesh and the upper surface of the protective layer 40 is controlled to be 5-8 mm.
The height control described above can be adjusted using the adjustment bolt 14.
After the slurry of the protective layer 40 is poured, watering after final setting to carry out plastic film curing, wherein the curing temperature is 20-30 ℃, the curing relative humidity is 60-80%, and the curing time is 20-24 h. Or a steam curing mode can 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 method for preparing the external thermal insulation protection system for the external wall further includes:
step S50, loosening the tension of the mesh cloth 20;
and step S60, demolding. Cutting off redundant mesh cloth 20 or galvanized steel wire meshes at the periphery of the wallboard, naturally maintaining after demolding, 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 form device 10 can be used for fixing the grid cloth 20 to be positioned on the middle layer of the protective layer 40, and an external thermal insulation protection system for an external wall prepared by the side form device 10 can effectively prevent the engineering quality problems of stripping and cracking; the limiting structure 13 can limit and fix the mesh cloth 20 to prevent the mesh cloth 20 from sliding off;
2. the thickness of the protective layer 40 and the distance between the grid cloth 20 and the heat-insulation board 30 can be adjusted by the adjusting bolt 14 and the lifting adjusting nut 16, the production and preparation of external wall external heat-insulation protection systems with various specifications are adapted, and the universality is good and the flexibility is high;
3. the preparation method of the external thermal insulation protection system adopts one-time pouring molding, and avoids the engineering quality problems of peeling and cracking of the external thermal insulation protection system caused by repeated pouring, in-situ percussion drilling and repeated plastering operation.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (10)
1. An edge mold device, comprising:
a first side mold frame (11);
the second side mold frame (12) is detachably connected to the first side mold frame (11) in a press fit mode through a connecting structure;
and the limiting structure (13) is arranged between the first side mold frame (11) and the second side mold frame (12) and is suitable for fixing the mesh cloth (20) between the first side mold frame (11) and the second side mold frame (12).
2. An edge moulding device according to claim 1, wherein the first edge moulding frame (11) is provided with a first clamping surface, the second edge moulding frame (12) is provided with a second clamping surface cooperating 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 in butt joint with the second clamping surface so as to clamp and fix the mesh cloth (20) between the first edge moulding frame (11) and the second edge moulding frame (12).
3. The sideform apparatus according to claim 2, wherein the position limiting structure (13) comprises a first step structure (131) provided on the first clamping face and a second step structure (132) provided on the second clamping face, the first step structure (131) and the second step structure (132) being in butt-fit for clamping and fixing the mesh cloth (20).
4. The side form device according to claim 2, wherein the limiting structure (13) comprises a limiting groove arranged on the first clamping surface and a limiting block arranged on the second clamping surface, and the limiting block is arranged in the limiting groove and used for clamping and fixing the mesh cloth (20).
5. The sideform apparatus according to claim 1, wherein the connecting structure comprises an adjusting bolt (14) and a fixing nut (15), the adjusting bolt (14) and the fixing nut (15) being screw-engaged to detachably connect the first sideform frame (11) and the second sideform frame (12); one end of the adjusting bolt (14) is prolonged and arranged to form a supporting section, a lifting adjusting nut (16) is arranged on the supporting section, the lifting adjusting nut (16) and the fixing nut (15) are oppositely arranged on the outer sides of the first side mold frame (11) and the second side mold frame (12), and the lifting adjusting nut (16) is used for supporting the first side mold frame (11) or the second side mold frame (12).
6. The sideform device according to claim 5, wherein the first sideform frame (11) comprises two first long sideforms (111) and two first short sideforms (112), and the first long sideforms (111) and the first short sideforms (112) are staggered end-to-end; 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 staggered end to end.
7. The sideform device according to claim 6, wherein both ends of the first long sideform (111) and the second long sideform (121) are correspondingly provided with first mounting through holes for the adjusting bolts (14) to pass through, and both ends of the first short sideform (112) and the second short sideform (122) are correspondingly provided with second mounting through holes for the adjusting bolts (14) to pass through; in 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).
8. A method for manufacturing an external thermal insulation protection system for an external wall, the external thermal insulation protection system for the external wall comprising an insulation board (30) and a protection layer (40), the method for manufacturing the external thermal insulation protection system for the external wall using the side form device of any one of claims 1 to 7, comprising the steps of:
s10, paving the heat insulation board (30), and tightly attaching the side formwork device to the peripheral edge of the heat insulation board (30);
step S20, laying a mesh cloth (20) above the heat insulation board (30) and between a first side mold frame (11) and a second side mold frame (12) of the side mold device, adjusting the distance between the mesh cloth (20) and the heat insulation board (30), and tensioning the mesh cloth (20) to enable a gap to be reserved between the mesh cloth (20) and the heat insulation board (30);
step S30, curing and forming after once pouring the slurry, so that the mesh cloth (20) is solidified in the middle layer of the slurry;
and S40, disassembling the side formwork device to obtain the external thermal insulation protection system of the external wall.
9. The method for preparing an external thermal insulation protection system according to claim 8, wherein in step S20, the mesh cloth (20) is tensioned to be parallel to the thermal insulation board (30), and when the thickness of the protection layer (40) is 5mm to 8mm, the distance between the mesh cloth (20) and the upper surface of the formed protection layer (40) is 2mm to 4 mm.
10. The method for preparing the external thermal insulation protection system of the external wall according to claim 9,
step S10 includes: step S11, installing the first side formwork frame (11) around the heat insulation plate (30);
step S20 includes the following steps:
step S21, laying the mesh cloth (20) on the first side formwork frame (11);
step S22, installing the second side formwork frame (12) on the first side formwork frame (11), wherein the second side formwork frame (12) is pressed on the mesh cloth (20);
step S23, mounting a connecting piece (17) at the connecting position of a second long side die (121) and a 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);
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, the first short side die (112) and the second short side die (122) on the first side are screwed through the fixing nut (15) to press one end of the mesh cloth (20), the mesh cloth (20) is tightened on the second side, and the first short side die (112) and the second short side die (122) on the second side are screwed through the fixing nut (15) in a tightened 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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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111300604A (en) * | 2020-02-26 | 2020-06-19 | 大元建业集团股份有限公司 | High-efficient wallboard make-up machine |
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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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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111300604A (en) * | 2020-02-26 | 2020-06-19 | 大元建业集团股份有限公司 | High-efficient wallboard make-up machine |
| CN111300604B (en) * | 2020-02-26 | 2024-08-27 | 大元建业集团股份有限公司 | High-efficient wallboard make-up machine |
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