CN217079238U - Prefabricated wallboard and manufacturing device for protective layer of prefabricated wallboard - Google Patents

Abstract

The utility model relates to an assembly type structure technical field, concretely relates to manufacturing installation of prefabricated wallboard and prefabricated wallboard's inoxidizing coating. Prefabricated wallboard includes inoxidizing coating, heat preservation, structural layer and connecting piece, and inoxidizing coating, heat preservation and structural layer set gradually, and the inoxidizing coating includes first protection network and the first mortar layer of laying for the first time, and the connecting piece is pushed down first protection network and is connected with the structural layer after passing the heat preservation, pours on first protection network and strickles off first mortar layer and first mortar layer parcel first protection network. The utility model discloses pour first mortar layer on first protection network, pour and strickle first mortar layer after accomplishing for the thickness of inoxidizing coating is even, the quality is controllable, and first protection network can act as the mat surface that heat preservation and first mortar bonded, improves the adhesion force between heat preservation and the inoxidizing coating, and then strengthens the bonding strength between heat preservation and the inoxidizing coating.

Description

Prefabricated wallboard and manufacturing device for protective layer of prefabricated wallboard

Technical Field

The utility model relates to an assembly type structure technical field, concretely relates to manufacturing installation of prefabricated wallboard and prefabricated wallboard's inoxidizing coating.

Background

The external wall heat insulation technology is the most applied heat insulation technology at present, but the service life is only twenty-five years, and the difference between the service life and the design life of a building structure is large, which indicates that the external wall heat insulation system needs to be replaced at least once in the life cycle of the building, and high maintenance cost is needed. In recent years, accidents such as the falling off of the outer wall heat-insulating layers of the building projects all over the country occur frequently, the safety of lives and properties of people is seriously endangered, and adverse social effects are caused. The structure heat preservation and decoration integrated wallboard provides a new construction method for the assembly type building, can be used as a building bearing component and a maintenance system, has high-quality heat preservation, structure and attractive appearance, adopts related connection and fixing technologies to strengthen the tight connection between the heat preservation layer and a building main body structure, and can prolong the service life of the heat preservation layer to the service life of the main body structure. Compared with the traditional structure heat preservation technology and other types of structure and heat preservation decoration integrated technology, the technology has great advantages in the aspects of construction progress, heat preservation performance, energy conservation, environmental protection, safety and stability.

At the present stage, because the size of the heat insulation board is not uniform with that of the precast concrete wallboard, when the structural heat insulation and decoration integrated wallboard is manufactured by adopting a direct beating process, the heat insulation board is generally typesetting and anchor bolt arrangement firstly, then a concrete structural layer is poured, and after the concrete structural layer is cured and solidified, the heat insulation and protection layer operation is completed in a factory or a construction site. Wherein, the heat preservation inoxidizing coating includes inoxidizing coating and decorative layer.

According to JGJ/T480-2019 technical Standard for rock wool thin-plastered external thermal insulation engineering, a double-layer glass fiber net is arranged in a protective layer of a rock wool strip or rock wool plate anchor plate net pressing double-net structure, an anchor plate is pressed on a bottom layer glass fiber net, a surface layer glass fiber net is paved outside the anchor plate, when the system is completed in a prefabrication factory, the anchor plate can penetrate through the bottom layer glass fiber net and the thermal insulation plate in advance and is compounded with a concrete structure layer, then the protective layer operation is carried out, when a flat formwork is used for carrying out two-pouring one-cloth operation, plastering mortar is required to be smeared once, then grid cloth is paved, and then plastering mortar is smeared once.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming carrying out two through the manual work and watering a cloth and cause the uncontrollable defect of protective layer quality among the prior art to a making devices of prefabricated wallboard and prefabricated wallboard's inoxidizing coating is provided.

In order to solve the problem, the utility model provides a prefabricated wallboard, including inoxidizing coating, heat preservation, structural layer and connecting piece, inoxidizing coating, heat preservation and structural layer set gradually, and the inoxidizing coating includes first protection network and the first mortar layer of laying for the first time, and the connecting piece is pushed down first protection network and is connected with the structural layer after passing the heat preservation, pours on first protection network and strickles off first mortar layer and first mortar layer parcel first protection network.

Optionally, the protective layer further comprises a second protective net and a second mortar layer laid for the second time, the second protective net is laid on one side, away from the first protective net, of the first mortar layer, the second protective net is laid through the net placing portion of the manufacturing device, and the second mortar layer is poured and scraped on the second protective net.

Optionally, the thickness of the protective layer is 3mm to 5mm, the thickness of the first mortar layer is 1mm to 2mm, and the thickness of the second mortar layer is 2mm to 3 mm.

The utility model also provides a making devices of the inoxidizing coating of prefabricated wallboard, prefabricated wallboard includes the inoxidizing coating, the heat preservation, structural layer and connecting piece, the inoxidizing coating, heat preservation and structural layer set gradually, the inoxidizing coating includes first protection network and the first mortar layer of laying for the first time, the connecting piece is pushed down first protection network and is connected with the structural layer after passing the heat preservation, making devices includes cloth machine and the first thick liquid portion of scraping, after the cloth machine is used for installing first protection network and connecting piece pour first mortar layer on first protection network, the first mortar portion of scraping is used for strickleing off first mortar layer.

Optionally, the inoxidizing coating still includes the second mortar layer that second protection network and second laid, the second protection network is laid in the one side that first mortar layer kept away from first protection network, the making devices is still including putting the net portion, thick liquid portion and cutting part are scraped to the second, first thick liquid portion of scraping, put the net portion, thick liquid portion and cutting part set gradually along the first direction are scraped to the second, it is used for laying the second protection network on first mortar layer to put the net portion, the cloth machine is still used for pouring the second mortar layer on second protection network, thick liquid portion is scraped to the second and is used for strickleing off the second mortar layer, cutting part is used for cutting the second protection network.

Optionally, the manufacturing device further comprises a first baffle and a second baffle which are arranged oppositely, the first baffle and the second baffle extend from the first slurry scraping portion to the second slurry scraping portion, and the first baffle and the second baffle are used for preventing mortar from flowing out.

Optionally, first thick liquid portion of scraping and second scrape thick liquid portion and all include scraping thick liquid support and scrape the thick liquid board, scrape the thick liquid board setting on scraping thick liquid support, scrape the thick liquid board and set up for the slope of first direction, the inclination of scraping the thick liquid board is adjustable.

Optionally, the squeegee is disposed obliquely with respect to a second direction, the second direction being perpendicular to the first direction.

Optionally, the scraping plate is of a mouth-shaped structure.

Optionally, the manufacturing device further comprises a net pressing part, and the net pressing part is arranged between the net placing part and the second pulp scraping part.

The utility model has the advantages of it is following:

1. when the prefabricated wallboard of preparation, lay first protection network on the heat preservation earlier, pass first protection network with the connecting piece again, the heat preservation, the connecting piece is pressed on first protection network, then pour first mortar layer on first protection network, pour and strickle first mortar layer after accomplishing, make the thickness of inoxidizing coating even, the quality is controllable, and first protection network can act as the mat surface that heat preservation and first mortar bond, improve the adhesion force between heat preservation and the inoxidizing coating, and then strengthen the adhesion strength between heat preservation and the inoxidizing coating.

2. The cloth machine pours first mortar layer on first protection net, then uses first thick liquid portion of scraping to strickle off again, and first mortar layer adopts the making devices preparation, does not need the manual work to paint, improves the preparation efficiency of inoxidizing coating, and the thickness of inoxidizing coating is more even, the quality is controllable.

3. The protective layer also comprises a second mortar layer laid for the second time from the second protective net, and the second protective net is laid on one side, far away from the first protective net, of the first mortar layer. The two layers of protective nets and the two layers of mortar layers can improve the structural strength of the protective layer.

4. The second protection network adopts puts the net portion and lays, and the second mortar layer adopts the cloth machine to pour, does not need the manual work to lay the protection network and the manual work to paint the mortar, and the preparation of inoxidizing coating is efficient, thickness is more even, improves the production quality of inoxidizing coating.

5. The manufacturing device further comprises a first baffle and a second baffle which are oppositely arranged, the first baffle and the second baffle extend to the second slurry scraping portion from the first slurry scraping portion, and the first baffle and the second baffle are used for preventing mortar from flowing out.

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 embodiments or the technical solutions in 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 for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Figure 1 shows a cut-away schematic view of a prefabricated wall panel of an embodiment of the present invention;

FIG. 2 shows a partial schematic view of the prefabricated wall panel of FIG. 1;

FIG. 3 shows a partial schematic view of the prefabricated wall panel of FIG. 1;

FIG. 4 shows a partial schematic view of the prefabricated wall panel of FIG. 3;

FIG. 5 shows a schematic view of a connector of the prefabricated wall panel of FIG. 3;

fig. 6 is a schematic perspective view illustrating an apparatus for manufacturing a protective layer of a prefabricated wall panel according to an embodiment of the present invention;

FIG. 7 shows a perspective view of the web pay-off and web press section of the apparatus of FIG. 6;

FIG. 8 shows a schematic perspective view of a second doctor blade of the production device of FIG. 6;

FIG. 9 shows a perspective view of a cutting portion of the production device of FIG. 6;

fig. 10 shows a partial perspective view of the cutting section of fig. 9.

Description of reference numerals:

10. a protective layer; 11. a first protection net; 12. a first mortar layer; 13. a second protective net; 14. a second mortar layer; 20. a heat-insulating layer; 30. a structural layer; 31. a first precast concrete layer; 32. a second precast concrete layer; 33. a reinforcement cage; 331. a first horizontally distributed reinforcing bar; 332. first vertically distributed reinforcing steel bars; 333. second horizontally distributed reinforcing steel bars; 334. second vertically distributed reinforcing steel bars; 335. stretching the ribs; 40. a connecting member; 41. an anchor disc; 42. a vertical rod; 421. an anchor point; 422. an additional rib; 43. a barb; 50. a first squeegee section; 60. a net releasing part; 61. placing a net support; 62. a first roller; 63. a second roller; 64. a third roller; 65. a U-shaped plate; 66. a fastening member; 70. a second squeegee section; 71. a pulp scraping bracket; 72. a scraping plate; 73. rotating the roll shaft; 74. fastening a bolt; 80. a cutting section; 81. cutting the stent; 82. a track; 83. a cutting blade; 84. a rolling cylinder; 85. a connecting shaft; 91. a first baffle plate; 92. a second baffle; 100. a screen pressing part; 101. a net pressing bracket; 102. a net pressing roller; 103. and (3) a roller.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to 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", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

As shown in fig. 1 to 4, the prefabricated wall panel of this embodiment includes an protective layer 10, a heat insulation layer 20, a structural layer 30 and a connecting member 40, the protective layer 10, the heat insulation layer 20 and the structural layer 30 are sequentially disposed, the protective layer 10 includes a first protective net 11 and a first mortar layer 12 laid for the first time, the connecting member 40 is connected with the structural layer 30 after passing through the first protective net 11 and the heat insulation layer 20, the first mortar layer 12 is poured and scraped off on the first protective net 11, and the first mortar layer 12 wraps the first protective net 11.

Use the prefabricated wallboard of this embodiment, during the prefabricated wallboard of preparation, lay first protection network 11 on heat preservation 20 earlier, pass first protection network 11 with connecting piece 40 again, heat preservation 20, connecting piece 40 presses on first protection network 11, then pour first mortar layer 12 on first protection network 11, it strickles first mortar layer 12 to pour after accomplishing, make the thickness of inoxidizing coating 10 even, the quality is controllable, and first protection network 11 can act as the rough surface that heat preservation 20 and first mortar layer 12 bonded, improve the adhesion stress between heat preservation 20 and inoxidizing coating 10, and then strengthen the adhesion strength between heat preservation 20 and inoxidizing coating 10.

In this embodiment, the protective layer 10 further includes a second protective net 13 and a second mortar layer 14 laid for the second time, the second protective net 13 is laid on one side of the first mortar layer 12 away from the first protective net 11, the second mortar layer 14 is cast and scraped on the second protective net 13, and the structural strength of the protective layer can be improved by two protective nets and two mortar layers. And the second mortar layer 14 is scraped to ensure that the thickness of the protective layer is more uniform, so that the production quality of the protective layer is improved.

The first mortar layer 12 laid for the first time and the second mortar layer 14 laid for the second time are uniformly cast and stricken off within the range of the prefabricated wall panel, and the uniform casting and strickling off within the range of the prefabricated wall panel means strickling off after all required mortar is cast within the range of the prefabricated wall panel, rather than strickling off after a part is cast and strickling off after a part is cast. The number of times of uniform pouring can be one time, two times and the like, the two times of pouring refers to the fact that pouring of all needed mortar needs to be completed by two times of pouring, the number of times of uniform strickling is one time or two times and the like, uniform pouring enables slurry to be uniform, setting time is equal, stress concentration or cracking caused by different setting time is avoided, and the protection effect is good; and the mortar layer is uniformly scraped, so that the surface effect of the mortar layer is good.

In this embodiment, the thickness of the protective layer 10 is 3mm to 5mm, the thickness of the first mortar layer 12 is 1mm to 2mm, and the thickness of the second mortar layer 14 is 2mm to 3mm, so that at least part of the second protective net 13 is located in the first mortar layer 12, and the rest part is located in the second mortar layer 14, thereby preventing the net exposure on the surface of the protective layer 10.

Preferably, the first protective net 11 and the second protective net 13 are both alkali-resistant fiberglass mesh cloth, and the mass per unit area of the alkali-resistant fiberglass mesh cloth is not less than 160g/m ² The warp and weft alkali-resistant breaking strength is not less than 1000N/50mm, the warp and weft alkali-resistant breaking strength retention rate is not less than 50%, the warp and weft breaking growth rate is not more than 5.0%, and the mesh center distance is not less than 4mm, so that the mortar layer can be soaked and wrapped conveniently.

In this embodiment, the first mortar layer 12 and the second mortar layer 14 are both cement-based composite materials, and the cement-based composite material may be one of ultra-high performance concrete (UHPC), glass fiber reinforced cement (GRC), self-leveling high-strength mortar, and high-ductility cement-based composite materials (ECC), and has good flowability, high strength, good toughness, 28d compressive strength of not less than 30MPa, and 28d flexural strength of not less than 6 MPa.

In this embodiment, the heat insulating layer 20 may be a composite heat insulating material composed of one or two or more of non-combustible polystyrene board, foamed ceramic board, foamed cement board, foamed glass board, extruded board, polyurethane board, phenolic board and other rigid heat insulating boards. When two or more layers of heat insulation materials are used in a superposition mode, care should be taken to arrange staggered joints. The thickness of the heat-insulating layer is in accordance with the energy-saving design rule of the use area, and is preferably 30 mm-150 mm.

In this embodiment, as shown in fig. 1 and fig. 3, the structural layer 30 includes a first prefabricated layer, a cavity layer and a second prefabricated layer, a tie bar 335 connecting the first prefabricated layer and the second prefabricated layer is disposed in the cavity layer, the first prefabricated layer includes a first horizontal distribution steel bar 331, a first vertical distribution steel bar 332 and a first prefabricated concrete layer 31, the second prefabricated layer includes a second horizontal distribution steel bar 333, a second vertical distribution steel bar 334 and a second prefabricated concrete layer 32, and the first horizontal distribution steel bar 331, the first vertical distribution steel bar 332, the second horizontal distribution steel bar 333, the second vertical distribution steel bar 334 and the tie bar 335 constitute a shaped steel reinforcement cage 33.

Preferably, the total thickness of the structural layer 30 is 200-250 mm, the thicknesses of the first precast concrete layer 31 and the second precast concrete layer 32 are both 50-70 mm, and the thickness of the cavity layer is 100-120 mm. The diameters of the first horizontal distribution reinforcing steel bars 331 and the second horizontal distribution reinforcing steel bars 333 are not less than 6mm, and the spacing between the reinforcing steel bars is not more than 200 mm. The diameter of first vertical distribution reinforcing bar 332 and second vertical distribution reinforcing bar 334 is not less than 6mm and the reinforcing bar interval is not more than 200 mm. The diameter of the tie bar 335 is not less than 8mm and the steel bar spacing is not more than 400 mm.

In this embodiment, as shown in fig. 1 and 5, the connecting member 40 is a nylon anchor bolt with a "barbed structure", and the connecting member 40 mainly comprises an anchor plate 41, a vertical rod 42 and barbs 43. The end of the vertical rod 42 is provided with an anchor point 421, the anchor point 421 is used for improving the penetrating power to the heat insulation board, the rod body of the vertical rod 42 is provided with an additional rib 422, the additional rib 422 is used for assisting the anchoring anti-pulling force of the reinforcing connecting piece 40 in concrete, and the distance between the additional ribs 422 is preferably 20 mm-30 mm. The length of the barb 43 is 8 mm-12 mm, the barb 43 is arranged in two parts, the arrangement interval of the barb 43 along the axial direction of the vertical rod 42 is 10 mm-15 mm, the included angle between the part of the barb 43 close to the anchor point and the axial direction of the vertical rod 42 is 30-45 degrees, namely the inclination angle of the part of the barb 43 close to the anchor point relative to the axial direction of the vertical rod 42 is large, and the barb 43 plays a main anchoring role in concrete; the part of the barb 43 close to the anchor disc 41 and the axial included angle of the vertical rod are 15-25 degrees, namely the part of the barb 43 close to the anchor disc 41 has a small inclination angle relative to the axial direction of the vertical rod 42, and the barb is mainly embedded in the heat insulation plate, and meanwhile, the penetrating power of the connecting piece 40 to the heat insulation plate is reduced. The diameter of the anchor disc 41 is 80 mm-120 mm, regular or irregular hollow structures can be designed, embedding of concrete is facilitated, and anchoring pull-out resistance of the connecting piece 40 is improved. When the connecting pieces 40 are arranged, the number of the connecting pieces is 5-9 per square meter, and the edge positions can be strengthened. In order to ensure the flatness of the protective layer, the connecting element 40 is preferably screwed in by a sinking process, i.e. the anchor disc 41 of the connecting element 40 is flush with the surface of the insulation board. It is understood that, as an alternative embodiment, the connecting member 40 may have other rod-shaped, sheet-shaped, needle-shaped, or cylindrical structures, as long as the manufacturing effect of the laminated prefabricated wall panel can be achieved.

The utility model also provides a making devices of inoxidizing coating of prefabricated wallboard, as fig. 1, fig. 2 and fig. 6 are shown, prefabricated wallboard includes inoxidizing coating 10, heat preservation 20, structural layer 30 and connecting piece 40, inoxidizing coating 10, heat preservation 20 and structural layer 30 set gradually, inoxidizing coating 10 includes first protection network 11 and the first mortar layer 12 of laying for the first time, connecting piece 40 passes first protection network 11, be connected with structural layer 30 behind the heat preservation 20, making devices includes cloth machine and first thick liquid portion 50 of scraping, cloth machine is used for pouring first mortar layer 12 on first protection network 11 after installing first protection network 11 and connecting piece 40, first thick liquid portion 50 of scraping is used for strickleing first mortar layer 12.

Use the making devices of this embodiment, lay first protection network 11 on heat preservation 20 earlier, then pass first protection network 11 with connecting piece 40, heat preservation 20, connecting piece 40 presses on first protection network 11, then pour first mortar layer 12 on first protection network 11 through the cloth machine, then use first thick liquid portion 50 of scraping to strickle off, first mortar layer 12 adopts the making devices preparation, do not need the manual work to paint, improve the preparation efficiency of inoxidizing coating 10, the thickness of inoxidizing coating 10 is more even, the quality is controllable.

In this embodiment, the protective layer 10 further includes a second protective mesh 13 and a second mortar layer 14 laid for the second time, the second protective mesh 13 is laid on one side of the first mortar layer 12 away from the first protective mesh 11, the manufacturing apparatus further includes a mesh placing portion 60, a second mortar scraping portion 70 and a cutting portion 80, the first mortar scraping portion 50, the mesh placing portion 60, the second mortar scraping portion 70 and the cutting portion 80 are sequentially arranged along the first direction, the mesh placing portion 60 is used for laying the second protective mesh 13 on the first mortar layer 12, the distributing machine is further used for pouring the second mortar layer 14 on the second protective mesh 13, the second mortar scraping portion 70 is used for scraping the second mortar layer 14, and the cutting portion 80 is used for cutting the second protective mesh 13. The two layers of protective nets and the two layers of mortar layers can improve the structural strength of the protective layer. The second protective net 13 is laid by the net placing part 60, the second mortar layer is poured by the distributing machine, the protective net does not need to be laid manually, mortar does not need to be smeared manually, the manufacturing efficiency of the protective layer is high, the thickness of the protective layer is more uniform, and the production quality of the protective layer is improved.

In the present embodiment, as shown in fig. 6 and 7, the net releasing part 60 includes a net releasing bracket 61 and a first roller 62 disposed on the net releasing bracket 61, and the first roller 62 is used for supporting a rolled protection net. The net releasing part further comprises a second roller 63 and a third roller 64 which are arranged on the net releasing support 61, the first roller 62, the second roller 63 and the third roller 64 are sequentially arranged along the vertical direction and are arranged in a staggered mode, the second roller 63 and the third roller 64 mainly flatten a protective net, and the outer diameters of the first roller 62, the second roller 63 and the third roller 64 are 50-70 mm. Preferably, both ends of the three rollers are fixed on the net placing support 61 by a U-shaped plate 65 and a fastening member 66, and the fastening member 66 includes a bolt and a nut.

In this embodiment, as shown in fig. 1 and fig. 6, the manufacturing apparatus further includes a first baffle 91 and a second baffle 92 which are oppositely disposed, the first baffle 91 and the second baffle 92 extend from the first mortar scraping portion 50 to the second mortar scraping portion 70, and the first baffle 91 and the second baffle 92 are used for preventing the mortar from flowing out. The distance between the first baffle 91 and the second baffle 92 corresponds to the size of the heat preservation layer 20 along the first direction perpendicular to the first direction, and when the first mortar layer 12 and the second mortar layer 14 are poured, the poured concrete is located between the first baffle 91 and the second baffle 92, so that mortar is prevented from flowing out.

In the present embodiment, as shown in fig. 6 and 8, each of the first squeegee portion 50 and the second squeegee portion 70 includes a squeegee support 71 and a squeegee 72, the squeegee 72 is provided on the squeegee support 71, the squeegee 72 is provided obliquely with respect to the first direction, the inclination angle of the squeegee 72 is adjustable, and the squeegee 72 is located between the first baffle 91 and the second baffle 92. The inclination angles of the corresponding scraping plates 72 are adjusted according to the thicknesses of the first mortar layer 12 and the second mortar layer 14, so that the manufacture of protective layers with different thicknesses can be met. Preferably, the angle of inclination of the squeegee 72 with respect to the first direction is 55 ° to 85 °.

In this embodiment, the first slurry scraping portion 50 and the second slurry scraping portion 70 further include a rotating roller 73 and a fastening bolt 74, the rotating roller 73 is inserted into the slurry scraping plate 72, two ends of the rotating roller are rotatably disposed in the slurry scraping support 71, a threaded hole is formed in the slurry scraping support 71, the fastening bolt 74 is in threaded connection with the threaded hole, the fastening bolt 74 abuts against the outer wall of the rotating roller 73, and the fastening bolt 74 is used for fixing the inclination angle of the slurry scraping plate 72.

In the embodiment, the squeegee 72 is disposed obliquely with respect to the second direction, and the second direction is perpendicular to the first direction, so that the linear contact length of the squeegee 72 with the mortar can be increased, and the resistance between the mortar and the protective net can be reduced. The inclination angle of the scraping plate 72 relative to the second direction is 0-30 degrees, wherein the first direction is the length direction of the prefabricated wall board, the second direction is the width direction of the prefabricated wall board, and the scraping plate 72 can be parallel to the width direction of the prefabricated wall board and can also be inclined.

In the present embodiment, the squeegee 72 has a mouth-shaped structure, i.e., a rectangular parallelepiped shape is surrounded by four plates. Alternatively, the squeegee 72 is only one sheet of material.

In this embodiment, the manufacturing apparatus further comprises a wire pressing section 100, and the wire pressing section 100 is disposed between the wire releasing section 60 and the second squeegee section 70. The net pressing portion 100 is used to press the second protection net 13 into the first mortar layer 12, and no net exposure occurs.

In this embodiment, the net pressing part 100 includes a net pressing support 101, a net pressing roller 102 and a roller 103, the roller 103 is sleeved on the net pressing roller 102, two ends of the net pressing roller 102 are fixed on the net pressing support 101, and the roller 103 can rotate around the axis of the net pressing roller 102 during net pressing. Preferably, the roller 103 is a PVC resin roller, and the diameter of the roller 103 is 150mm to 200 mm. The fixing manner of the screen roller 102 is the same as that of the rotating roller 73, and will not be described in detail herein.

In this embodiment, the cutting portion 80 includes a cutting bracket 81, a rail 82, a cutting blade 83 and a driving member, the rail 82 is fixed on the cutting bracket 81, the cutting blade 83 is disposed on the rail 82, and the driving member drives the cutting mesh to reciprocate along the extending direction of the rail 82, so as to cut off the protection mesh. Preferably, the cutting blade is a circular saw blade or the like, and the driving member is a motor or the like.

In this embodiment, the cutting portion further includes a rolling cylinder 84 and a connecting shaft 85, one end of the connecting shaft 85 is connected to the cutting blade 83, the other end of the connecting shaft 85 is connected to the rolling cylinder 84, the rolling cylinder 84 is located in the track 82 and connected to the driving member, and the rolling cylinder 84 rolls in the track 82 to drive the cutting blade 83 to rotate and move. The cutting blade 83 is fixed to the connecting shaft 85 by two nuts. It will be appreciated that, as an alternative embodiment, the cutting section 80 further comprises a transmission mechanism, and the driving member drives the cutting mesh sheet to reciprocate along the extending direction of the track 82 through the transmission mechanism, and the transmission mechanism is a gear rack mechanism, a chain sprocket mechanism or the like.

In this embodiment, press net support 101, put net support 61, scrape thick liquid support 71, cutting support 81 and all include the rectangle frame of two relative settings, simple structure, the manufacturing of being convenient for, it is with low costs.

In this embodiment, the width dimension of making devices can adjust according to the width of prefabricated wallboard, and the width dimension of prefabricated wallboard is 1200mm ~ 3000 mm.

It should be noted that, according to the thickness of protective layer 10, the number of layers of protective net can be increased, and then pulp scraping portion and net pressing portion can be increased or decreased, and the number of pulp scraping portion and net pressing portion can also be increased according to the flatness requirement of the protective layer, and this making device can be used for making protective layers with a thickness of 3-5 mm, and also can be used for making protective layers with a thickness of more than 5 mm.

The following is a description of the method of making the prefabricated wall panel:

1) cutting an alkali-resistant glass fiber mesh cloth according to the size of the heat preservation plate, penetrating a connecting piece 40 through the alkali-resistant glass fiber mesh cloth and the heat preservation plate, and adhering the alkali-resistant glass fiber mesh cloth to the surface of the heat preservation plate by using an emulsion type interface agent;

2) assembling side molds on the mold table, laying the heat insulation plates in the molds, wherein the heat insulation plates are in a close splicing mode, the anchor tips 421 of the connecting pieces 40 are upward, and sealing glue such as masking paper or polyurethane is adopted to seal the splicing seams between the heat insulation plates and the side molds;

3) placing the formed reinforcement cage 33, pouring the first precast concrete layer 31, vibrating, curing and curing;

4) assembling a side formwork in the formwork table, pouring a second precast concrete layer 32, overturning the heat insulation board and the first precast layer, pressing a reinforcement cage into the second precast concrete layer 32, vibrating, maintaining and curing;

5) turning over the prefabricated cavity wall plate with the heat-insulation plate to enable the heat-insulation plate to face upwards, and conveying the mould table to a protective layer pouring station through rolling wheels;

6) pouring a first mortar layer 12 on the surface of the heat insulation plate, and moving the mould table to make the first mortar layer 12 uniformly arranged on the surface of the heat insulation plate through the mortar scraping plate of the first mortar scraping part 50;

7) moving the mold table to the screen releasing part 60, adhering the alkali-resistant glass fiber mesh to the first mortar layer 12 through the second rolling shaft 63 and the third rolling shaft 64, continuously moving the mold table through the roller 103, and pressing the alkali-resistant glass fiber mesh into the first mortar layer 12 through the roller 103;

8) pouring the second mortar layer 14, continuously moving the mould table, and scraping the second mortar layer 14 by the scraper of the second mortar scraping part 70;

9) the die table continues to move to the position of the cutting part 80, and the alkali-resistant glass fiber mesh cloth is cut off by the circular saw blade;

10) and curing, curing and forming the protective layer 10 to obtain a finished product.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:

1. the prefabricated wall panel comprises an protective layer 10, a heat preservation layer 20, a structural layer 30 and a connecting piece 40, wherein the protective layer 10 comprises a first protective net 11, a first mortar layer 12, a second protective net 13 and a second mortar layer 14, the first mortar layer 12 is bonded with the heat preservation layer 20 in percentage, the heat preservation layer 20 is bonded with the structural layer 30 in percentage, the first protective net 11 is bonded with the heat preservation layer 20 through emulsion type interface agents, the connecting piece 40 is pressed down, the first protective net 11 penetrates through the heat preservation layer 20 to be anchored into the structural layer 30, the first mortar layer 12, the second protective net 13 and the second mortar layer 14 are all manufactured through manufacturing devices, mortar does not need to be manually painted, and the like, and the problems that the traditional operation is low in construction efficiency, uncontrollable in quality, high in cost and the protective layer falls off can be effectively solved.

2. Inoxidizing coating making devices includes first thick liquid portion of scraping 50, put net portion 60, thick liquid portion 70 is scraped to the second, cutting portion 80, press net portion 100, first baffle and second baffle etc, first thick liquid portion of scraping 50 is used for strickleing off first mortar layer 12, it is used for extending the fine screen cloth of alkali-resisting glass to put net portion 60, prevent the fine screen cloth fold of alkali-resisting glass, press net portion 100 mainly used to impress the fine screen cloth of alkali-resisting glass into first mortar layer 12, thick liquid portion 70 mainly used is strickleed off second mortar layer 14 is scraped to the second, cutting portion 80 mainly used cuts off the fine screen cloth of alkali-resisting glass, this making devices possesses and pours, strickle off, the lapping, press net and cutting function, the quality on improvement production efficiency and plaster layer.

3. The high-strength cement-based composite material such as UHPC, GRC, ECC and the like is adopted, the material fluidity is good, and the toughness and the strength can meet various working conditions of the component.

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 can be made without departing from the scope of the invention.

Claims (10)

1. The utility model provides a prefabricated wallboard, its characterized in that, includes inoxidizing coating (10), heat preservation (20), structural layer (30) and connecting piece (40), inoxidizing coating (10) heat preservation (20) and structural layer (30) set gradually, inoxidizing coating (10) are including first protection network (11) and first mortar layer (12) of laying for the first time, connecting piece (40) are pushed down first protection network (11) and are passed heat preservation (20) back with structural layer (30) are connected pour on first protection network (11) and strike off first mortar layer (12) just first mortar layer (12) parcel first protection network (11).

2. The prefabricated wall panel according to claim 1, wherein the protective layer (10) further comprises a second protective mesh (13) and a second mortar layer (14) laid for the second time, the second protective mesh (13) is laid on the side of the first mortar layer (12) far away from the first protective mesh (11), and the second mortar layer (14) is cast and scraped on the second protective mesh (13).

3. Prefabricated wall panel according to claim 2, characterized in that said protective layer (10) has a thickness of between 3 and 5mm, said first mortar layer (12) has a thickness of between 1 and 2mm and said second mortar layer (14) has a thickness of between 2 and 3 mm.

4. A device for manufacturing a protective layer of a prefabricated wallboard is characterized in that the prefabricated wallboard comprises a protective layer (10), a heat-insulating layer (20), a structural layer (30) and a connecting piece (40), the protective layer (10), the heat-insulating layer (20) and the structural layer (30) are arranged in sequence, the protective layer (10) comprises a first protective net (11) and a first mortar layer (12) laid for the first time, the connecting piece (40) presses the first protective net (11) and penetrates through the heat-insulating layer (20) to be connected with the structural layer (30), the manufacturing device comprises a distributing machine and a first mortar scraping part (50), the distributing machine is used for pouring the first mortar layer (12) on the first protective net (11) after the first protective net (11) and the connecting piece (40) are installed, the first slurry scraping part (50) is used for scraping the first mortar layer (12).

5. The manufacturing device according to claim 4, wherein the protective layer (10) further comprises a second protective net (13) and a second mortar layer (14) laid for the second time, the second protective net (13) is laid on one side of the first mortar layer (12) far away from the first protective net (11), the manufacturing device further comprises a net discharging part (60), a second mortar scraping part (70) and a cutting part (80), the first mortar scraping part (50), the net discharging part (60), the second mortar scraping part (70) and the cutting part (80) are sequentially arranged along the first direction, the net discharging part (60) is used for laying the second protective net (13) on the first mortar layer (12), the distributing machine is further used for pouring the second mortar layer (14) on the second protective net (13), and the second mortar scraping part (70) is used for scraping the second mortar layer (14), the cutting portion (80) is used for cutting the second protective net (13).

6. The manufacturing device according to claim 5, further comprising a first baffle (91) and a second baffle (92) which are oppositely arranged, wherein the first baffle (91) and the second baffle (92) extend from the first slurry scraping portion (50) to the second slurry scraping portion (70), and the first baffle (91) and the second baffle (92) are used for preventing mortar from flowing out.

7. The production device according to claim 5, wherein the first squeegee portion (50) and the second squeegee portion (70) each include a squeegee holder (71) and a squeegee (72), the squeegee (72) being provided on the squeegee holder (71), the squeegee (72) being provided obliquely with respect to the first direction, the inclination angle of the squeegee (72) being adjustable.

8. A production device according to claim 7, characterized in that the squeegee (72) is arranged obliquely with respect to a second direction, which is perpendicular to the first direction.

9. A production device according to claim 7, characterized in that the doctor blade (72) is of a die-type construction.

10. The production device according to claim 5, further comprising a wire press section (100), wherein the wire press section (100) is disposed between the wire discharge section (60) and the second doctor blade section (70).

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