CN210738071U - Building template with extremely low formaldehyde release - Google Patents
Building template with extremely low formaldehyde release Download PDFInfo
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- CN210738071U CN210738071U CN201921503364.6U CN201921503364U CN210738071U CN 210738071 U CN210738071 U CN 210738071U CN 201921503364 U CN201921503364 U CN 201921503364U CN 210738071 U CN210738071 U CN 210738071U
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- top plate
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Abstract
The utility model discloses a building templates that formaldehyde release is minimum relates to building materials technical field, for solving prior art, building templates in production, transportation, work progress, can sustained release formaldehyde around the template, causes the technical problem of health harm to the staff at scene, the technical scheme of the utility model as follows: the reinforced plate comprises a plate core and a reinforced plate, wherein the reinforced plate comprises a reinforced outer plate and a reinforced top plate, a convex edge extends downwards from the edge of the reinforced outer plate, the height of the convex edge corresponds to the sum of the thicknesses of the plate core and the reinforced top plate, so that the reinforced outer plate sleeves the plate core and the reinforced top plate, and the plate core is bonded between the reinforced outer plate and the reinforced top plate through phenolic glue; chamfers are arranged on the inner side of the tail end of the convex edge and the outer side edge of the top of the reinforced top plate, when the reinforced outer plate is connected with the reinforced top plate in a sleeved mode, the chamfers at the connecting positions form grooves, and the grooves are filled with non-formaldehyde adhesives.
Description
Technical Field
The utility model relates to a building materials technical field especially relates to a building templates that formaldehyde release is minimum.
Background
The building formwork is a temporary supporting structure, which is made according to the design requirement, so that the concrete structure or member is formed according to the specified position and geometric dimension, the correct position is kept, and the purposes of the formwork engineering are carried out by bearing the self weight of the building formwork and the external load acting on the building formwork. The reasonable use of the building template plays an important role in ensuring the quality and construction safety of concrete engineering, accelerating the construction progress and reducing the engineering cost. The building template can be divided into a steel template, a wood template, a bamboo template, a wood-plastic composite template and the like, wherein the steel template is not corrosion resistant, is easy to rust, has heavy weight, is inconvenient to transport and has larger potential safety hazard in the construction process; the most used templates are wood templates or bamboo templates, but the templates have low strength, are not corrosion-resistant, are easy to crack after water seepage, are difficult to demould and have few recycling times; the wood-plastic composite template is developed quickly at the present stage, has the advantages of high strength, easiness in demolding, no deformation, recycling and the like, and is a template type with the greatest development prospect in the field of buildings.
In the prior art, a production process of the wood-plastic composite template adopts a fast-growing wood single plate or a wood shaving board as a board core, and a plastic reinforced board is bonded with two side surfaces of the board core through an adhesive in a hot-pressing manner, so that the wood-plastic composite template is manufactured. Because the adhesive used at the present stage is the phenolic adhesive with low cost, and the phenolic adhesive contains about 20 percent of formaldehyde, the formaldehyde can be continuously released around the template in the production, transportation and construction processes of the template, and the physical damage is caused to workers on site. Therefore, toxic gas is the primary reason for restricting the development of the wood-plastic composite template.
SUMMERY OF THE UTILITY MODEL
For solving prior art, building templates can sustained release formaldehyde around the template in production, transportation, work progress, causes the technical problem of health harm to the staff at scene, the technical scheme of the utility model as follows:
the utility model provides a building template that formaldehyde release is minimum, including board core and reinforcing plate, the reinforcing plate includes reinforcing planking and reinforcing roof, the edge of reinforcing planking extends the chimb downwards, the height of chimb corresponds with the thickness sum of board core and reinforcing roof, makes the reinforcing planking with board core and reinforcing roof registrate, the board core bonds between reinforcing planking and reinforcing roof through phenol glue; chamfers are arranged on the inner side of the tail end of the convex edge and the outer side edge of the top of the reinforced top plate, when the reinforced outer plate is connected with the reinforced top plate in a sleeved mode, the chamfers at the connecting positions form grooves, and the grooves are filled with non-formaldehyde adhesives.
Furthermore, corrugated grooves are formed in the connecting surfaces of the reinforced outer plate, the reinforced top plate and the plate core, and the corrugated grooves of the reinforced outer plate and the plate core and the corrugated grooves of the reinforced top plate and the plate core are meshed with each other.
Further, the chamfer is a straight chamfer or an inner circle chamfer.
Further, the non-formaldehyde adhesive is PA hot melt adhesive, EVA hot melt adhesive or PUR hot melt adhesive.
Further, the reinforced outer plate and the reinforced top plate are made of fiber reinforced plastics.
Further, the fiber reinforced material of the fiber reinforced plastic is one or more of glass fiber, basalt fiber, carbon fiber, aramid fiber and steel fiber.
Furthermore, the connection surface of the reinforced outer plate, the reinforced top plate and the plate core is provided with grid reinforcing ribs, two side surfaces of the plate core are provided with unit grids corresponding to the grid reinforcing ribs in shape, and the unit grids are sleeved in the grid reinforcing ribs.
The utility model provides a building templates that formaldehyde release is minimum, compare with prior art, its beneficial effect is:
the utility model provides a building templates that formaldehyde release is minimum, including with the core cladding through reinforcing planking and reinforcing roof, the intensity and the rigidity of whole building templates have been increased effectively, it is big still to continue to use the quantity at the face of connecting of core and reinforcing plate, with low costs, bond effectual phenolic glue, the bonding strength of building templates has been guaranteed, fill non-formaldehyde glue at the joint line, can form sealed effect to phenolic glue, avoid the outside release of harmful gas in the phenolic glue, it is healthy to have guaranteed the operation personnel.
Drawings
FIG. 1 is an exploded view of a building panel according to the present invention;
FIG. 2 is a schematic view of the present invention after pressing the building forms;
FIG. 3 is a cross-sectional view of AA in FIG. 2;
FIG. 4 is a partial cross-sectional view of a building panel in one embodiment;
FIG. 5 is a schematic view of a reinforced outer panel and core in another embodiment.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings 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 efforts belong to the protection scope of the present invention.
As shown in fig. 1-3, a building template with extremely low formaldehyde emission in the present invention comprises a rectangular plate core 1 and a reinforcing plate 2, wherein the reinforcing plate 2 comprises a reinforcing outer plate 21 with an area slightly larger than that of the plate core 1 and a reinforcing top plate 22 with an area equal to that of the plate core 1, a convex edge 211 extends downwards from the edge of the reinforcing outer plate 21, the shape of an outer frame formed by the convex edge 211 corresponds to the shapes of the plate core 1 and the reinforcing top plate 22, the height of the convex edge 211 corresponds to the sum of the thicknesses of the plate core 1 and the reinforcing top plate 22, so that the reinforcing outer plate 21 sleeves the plate core 1 and the reinforcing top plate 22 and completely covers the plate core 1 and the reinforcing top plate 22, the plate core 1 is covered by the reinforcing outer plate 21 and the reinforcing top plate 22 in the middle and is bonded between the reinforcing outer plate 21 and the reinforcing top plate 22 through a phenolic glue 3, the inner side of the end of the convex edge 211 and the outer side of the top of the reinforcing top plate, the chamfer angle of the joint forms a groove 4, and the groove 4 is filled with non-formaldehyde adhesive 5. During the preparation, at first make reinforcing planking 21 through the moulding-die technology, then at 1 both sides face coating phenolic glue 3 of board core, will strengthen planking 21, board core 1 and reinforcing roof 22 pressfitting, phenolic glue 3 extrudes from the joint line and the recess 4 of chimb 211 and reinforcing roof 22, after the glue cools off, with remaining phenolic glue 3 in the recess 4 shovel off to fill non-formaldehyde gluing agent 5, make phenolic glue 3 by the cladding in the panel. The formaldehyde in the phenolic glue 3 is only at the end of the gluing process, namely the workshop section filled with the non-formaldehyde adhesive 5 in the groove 4 is harmful to production personnel, so that the production personnel are required to wear protective articles according to requirements, and the formaldehyde gas can be completely prevented from being released outwards in the transportation and construction processes. The utility model discloses a building template, including with 1 cladding of board core through reinforcing planking 21 and reinforcing roof 22, the intensity and the rigidity of whole building template have been increased effectively, it is big still to continue to use the quantity at the connection face of board core 1 and reinforcing plate 2, with low costs, the effectual phenolic glue 3 bonds, the bonding strength of building template has been guaranteed, fill non-formaldehyde glue 5 at the joint line, can glue 3 formation sealed effects to the phenolic, avoid the outside release of harmful gas among the phenolic glue 3, it is healthy to have guaranteed the operation personnel.
In the figure, the chamfer is an inner chamfer, so that the formed groove 4 is arc-shaped, and can also be a straight chamfer, and the formed groove is triangular.
In one embodiment, as shown in fig. 4, in order to increase the connection area between the slabs and improve the bonding strength of the building formwork, the corrugated grooves 6 are formed on the connection surfaces of the reinforced outer slab 21, the reinforced top slab 22 and the slab core 1, and the corrugated grooves 6 of the reinforced outer slab 21 and the slab core 1, and the corrugated grooves 6 of the reinforced top slab 22 and the slab core 1 are engaged with each other.
The non-formaldehyde adhesive 5 for sealing the phenolic adhesive 3 is PA hot melt adhesive, EVA hot melt adhesive or PUR hot melt adhesive. The hot melt adhesive is a plastic adhesive, the physical state of which changes with the temperature within a certain temperature range, and the chemical property of which is unchanged, is nontoxic and tasteless, and belongs to an environment-friendly chemical product.
In order to further improve the strength of the building template, the reinforced outer plate 21 and the reinforced top plate 22 are made of fiber reinforced plastics, wherein the fiber reinforced materials of the fiber reinforced plastics are one or more of glass fibers, basalt fibers, carbon fibers, aramid fibers and steel fibers.
As shown in fig. 5, in another embodiment, in order to improve the strength and the bonding strength of the building template, the connection surfaces of the reinforced outer plate 21 and the reinforced top plate 22 and the plate core 1 are provided with grid reinforcing ribs 7, the two side surfaces of the plate core 1 are provided with unit cells 11 protruding outwards corresponding to the shapes of the grid reinforcing ribs 7, the unit cells 11 are sleeved in the grid reinforcing ribs 7, the grid reinforcing ribs 7 can increase the structural strength of the reinforced outer plate 21 and the reinforced top plate 22, the transverse and longitudinal tensile strength of the building template is improved, the connection area with the plate core 1 is also improved, and the bonding performance of the phenolic glue 3 is fully exerted.
In another embodiment, in order to improve the strength and the bonding strength of the building template, the connection surfaces of the reinforced outer plate and the reinforced top plate and the plate core are provided with grid reinforcing ribs, the two side surfaces of the plate core are provided with unit grids corresponding to the grid reinforcing ribs in shape, the unit grids are sleeved in the grid reinforcing ribs, the grid reinforcing ribs can increase the structural strength of the reinforced outer plate and the reinforced top plate, the transverse and longitudinal tensile strength of the building template is improved, the connection area with the plate core is also improved, and the bonding performance of the phenolic glue is fully exerted.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. A building template with extremely low formaldehyde release comprises a plate core and a reinforcing plate, and is characterized in that the reinforcing plate comprises a reinforcing outer plate and a reinforcing top plate, a convex edge extends upwards from the edge of the reinforcing outer plate, the height of the convex edge corresponds to the sum of the thicknesses of the plate core and the reinforcing top plate, the reinforcing outer plate is used for sleeving the plate core and the reinforcing top plate, and the plate core is bonded between the reinforcing outer plate and the reinforcing top plate through phenolic glue; chamfers are arranged on the inner side of the tail end of the convex edge and the outer side edge of the top of the reinforced top plate, when the reinforced outer plate is connected with the reinforced top plate in a sleeved mode, the chamfers at the connecting positions form grooves, and the grooves are filled with non-formaldehyde adhesives.
2. The building template with extremely low formaldehyde emission as claimed in claim 1, wherein the reinforced outer plates, the reinforced top plates and the core are all provided with corrugated grooves at their joint surfaces, and the reinforced outer plates and the core are engaged with each other.
3. The building panel as claimed in claim 1, wherein the chamfer is a straight chamfer or an inner round chamfer.
4. The building template with extremely low formaldehyde emission according to claim 1, wherein the non-formaldehyde adhesive is PA hot melt adhesive, EVA hot melt adhesive or PUR hot melt adhesive.
5. The building panel as claimed in claim 1, wherein the reinforced outer and top plates are fiber reinforced plastic.
6. The building template with extremely low formaldehyde emission according to claim 5, wherein the fiber reinforced material of the fiber reinforced plastic is one or more of glass fiber, basalt fiber, carbon fiber, aramid fiber and steel fiber.
7. The building template with extremely low formaldehyde emission as claimed in claim 6, wherein the connecting surfaces of the reinforced outer plates and the reinforced top plates and the plate core are provided with grid reinforcing ribs, the two side surfaces of the plate core are provided with unit cells corresponding to the shapes of the grid reinforcing ribs, and the unit cells are sleeved in the grid reinforcing ribs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921503364.6U CN210738071U (en) | 2019-09-10 | 2019-09-10 | Building template with extremely low formaldehyde release |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921503364.6U CN210738071U (en) | 2019-09-10 | 2019-09-10 | Building template with extremely low formaldehyde release |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210738071U true CN210738071U (en) | 2020-06-12 |
Family
ID=70983497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921503364.6U Expired - Fee Related CN210738071U (en) | 2019-09-10 | 2019-09-10 | Building template with extremely low formaldehyde release |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210738071U (en) |
-
2019
- 2019-09-10 CN CN201921503364.6U patent/CN210738071U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200612 |
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| CF01 | Termination of patent right due to non-payment of annual fee |