CN111910882A

CN111910882A - Composite steel-plastic floor

Info

Publication number: CN111910882A
Application number: CN202010949835.7A
Authority: CN
Inventors: 曹友国
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-10
Filing date: 2020-09-10
Publication date: 2020-11-10

Abstract

The invention discloses a composite steel-plastic floor, which comprises a base plate made of modified plastics, wherein a metal plate is embedded in the base plate, and the size of the metal plate is equivalent to that of the base plate; the metal plate is in a concave-convex interval structure which is bent or bent along the transverse direction, and the convex part and the concave part of the metal plate are respectively close to the upper surface and the lower surface of the substrate but do not protrude out of the upper surface and the lower surface of the substrate. According to the invention, the lining profiled steel sheet is formed in the PVC foaming layer substrate through a co-extrusion process, so that the product has good ultraviolet resistance, weather resistance, acid and alkali resistance, corrosion resistance, wear resistance and the like, cannot fade, is maintenance-free for life, can enhance the structural strength, compression resistance, deformation resistance and bearing capacity of the board through the lining profiled steel sheet, and solves the problems of easy deformation, thermal expansion, cold contraction and fracture of the wood-plastic floor.

Description

Composite steel-plastic floor

Technical Field

The invention relates to the technical field of building accessories, in particular to a wood-plastic floor mainly used for house ground decoration.

Background

The wood-plastic composite board is a high-tech green environment-friendly material which is mainly prepared by uniformly mixing wood (wood cellulose and plant cellulose) serving as a base material, a thermoplastic high polymer material (plastic), a processing aid and the like, and then heating and extruding the mixture by using die equipment, has the performance and characteristics of the wood and the plastic, and is a novel environment-friendly high-tech material capable of replacing the wood and the plastic. The wood-plastic floor is made of wood-plastic composite materials, has the same processing characteristics as wood, can be sawed, drilled and nailed by using a common tool, is very convenient, and can be used like common wood. Meanwhile, the wood-like waterproof and anticorrosive plastic building material has the wood texture of wood and the water-resistant and anticorrosive characteristics of plastic, so that the wood-like waterproof and anticorrosive plastic building material becomes an outdoor waterproof and anticorrosive building material with excellent performance and high durability, and is more and more widely applied. However, the traditional wood-plastic composite board has certain defects in the aspects of self structural strength, bearing capacity, compression resistance, deformation resistance and the like, and has the common defects of thermal expansion and cold shrinkage and easy fracture.

Disclosure of Invention

The invention aims to solve the technical problem of the prior art and provides a composite steel-plastic floor which is simple in structure, lined with profiled steel plates, and capable of enhancing the structural strength and bearing capacity of plates and stronger in deformation resistance.

In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a floor is moulded to combined type steel, includes the base plate that adopts modified plastics to make, its characterized in that: a metal plate is embedded in the substrate, and the size of the metal plate is equivalent to that of the substrate; the metal plate is in a concave-convex interval structure which is bent or bent along the transverse direction, and the convex part and the concave part of the metal plate are respectively close to the upper surface and the lower surface of the substrate but do not protrude out of the upper surface and the lower surface of the substrate.

Furthermore, a plurality of through holes are formed in the metal plate, the metal plate is wrapped in the metal plate during substrate forming, and the substrates on the upper side and the lower side of the metal plate are formed into an integral structure through the through holes. If no through hole is provided, the substrate is divided into an upper part and a lower part which are basically separated by the metal plate, and the upper half substrate and the lower half substrate can be connected into a whole after the through hole is provided, so that the integrity of the substrate is kept, and the structural strength, the compression resistance, the deformation resistance and the fracture resistance of the substrate are improved.

Further, the metal plate is a profiled steel plate along the transverse direction.

Furthermore, a plurality of through holes are arranged along the longitudinal direction of the base plate, and the through holes are arranged in thick convex parts formed at the concave parts of the base plate corresponding to the metal plates. Therefore, the material for preparing the base plate can be saved, the cost is reduced, and the weight of the floor is reduced.

Preferably, the metal plate is a curved concave-convex alternating structure which is wavy along the transverse direction.

Or, the metal plate is in a bent concave-convex alternate structure which is in a groove shape along the transverse direction, and the bent concave-convex alternate structure can be a straight groove, a skewed groove or a trapezoidal groove.

Preferably, the base plate is a PVC foaming layer which is made of wood fiber interwoven polyester fibers through material modification, and the fire-proof grade of B1 can be realized. This is of course prior art.

Preferably, the upper and lower surfaces of the substrate are respectively pressed with a surface layer with wood grain effect made of ASA or PMA co-extruded material, which is, of course, the prior art.

Furthermore, the side surfaces of two longitudinal sides of the base plate are respectively provided with an installation groove, so that the installation of the floor is facilitated.

Preferably, the through holes are arranged along the top surface of the convex part, the bottom surface of the concave part and the transition surface between the concave and the convex parts of the metal plate, and the through holes are in a uniform arrangement structure which is aligned along the longitudinal direction of the metal plate and staggered along the transverse direction of the metal plate, so that the substrate has more uniform structural strength and compression and deformation resistance.

According to the invention, the lining profiled steel sheet is formed in the PVC foaming layer substrate through a co-extrusion process, so that the product has good ultraviolet resistance, weather resistance, acid and alkali resistance, corrosion resistance, wear resistance and the like, cannot fade, is maintenance-free for life, can enhance the structural strength, compression resistance, deformation resistance and bearing capacity of the board through the lining profiled steel sheet, and solves the problems of easy deformation, thermal expansion, cold contraction and fracture of the wood-plastic floor.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the press plate of the present invention;

fig. 3 is a schematic structural diagram of another embodiment of the present invention.

In the figure, 1 denotes a substrate, 2 denotes a mounting groove, 3 denotes a surface layer, 4 denotes a profiled steel sheet, 5 denotes a through hole, and 6 denotes a through hole.

Detailed Description

In this embodiment, referring to fig. 1 and fig. 2, the composite steel-plastic floor includes a substrate 1 made of modified plastics, a profiled steel sheet 4 (or other metal plate) is embedded in the substrate 1, and the profiled steel sheet 4 has a size equivalent to that of the substrate 1 (the profiled steel sheet 4 may be close to the peripheral edge of the substrate 1, or may be longitudinally flush with the edges of the two ends of the substrate 1, and may be transversely close to the edges of the two sides of the substrate 1); the profiled steel sheet 4 is a concave-convex alternate structure which is bent or bended along the transverse direction, and the convex part and the concave part of the profiled steel sheet are respectively close to the upper surface and the lower surface of the substrate 1 but do not protrude from the upper surface and the lower surface of the substrate 1.

The profiled steel sheet 4 is provided with a plurality of through holes 6, the profiled steel sheet 4 is wrapped inside the substrate 1 during forming, and the substrates 1 on the upper side and the lower side of the profiled steel sheet 4 are formed into an integral structure through the through holes 6. If the through hole 6 is not provided, the base plate 1 is divided into an upper part and a lower part which are basically separated by the profiled steel sheet 4, and the upper half base plate 1 and the lower half base plate 1 can be connected into a whole after the through hole 6 is provided, so that the integrity of the base plate 1 is maintained, and the structural strength, the compression resistance, the deformation resistance and the fracture resistance of the base plate are improved.

A plurality of through holes 5 are formed along the longitudinal direction of the base plate 1, and the through holes 5 are formed in thick convex portions of the base plate 1 corresponding to the concave portions of the profiled steel sheet 4. This saves material for manufacturing the base plate 1, reduces cost, and reduces the weight of the floor.

The profiled steel sheet 4 is in a wave-shaped curved concave-convex alternate structure along the transverse direction.

In another embodiment, as shown in fig. 3, the profiled steel sheet 4 has a bent concave-convex alternating structure having a groove shape in the transverse direction, and may have a straight groove, an inclined groove, or a trapezoidal groove.

The base plate 1 is a PVC foaming layer which is made of wood fiber interwoven polyester fibers through material modification, and can realize the B1-grade fire-proof grade. This is of course prior art.

The surface layer 3 with wood grain effect made of ASA or PMA co-extrusion material is respectively pressed on the upper and lower surfaces of the substrate 1, which is certainly the prior art.

The side surfaces of two longitudinal sides of the base plate 1 are respectively provided with an installation groove 2, which is convenient for the installation of the floor.

The through holes 6 are arranged along the top surface of the convex portion, the bottom surface of the concave portion and the transition surface between the concave portion and the convex portion of the profiled steel sheet 4, and the through holes are in a uniform arrangement structure which is aligned along the longitudinal direction of the profiled steel sheet 4 and staggered in the transverse direction, so that the substrate 1 has more uniform structural strength and compression and deformation resistance.

The present invention has been described in detail, and it should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.

Claims

1. The utility model provides a floor is moulded to combined type steel, includes the base plate that adopts modified plastics to make, its characterized in that: a metal plate is embedded in the substrate, and the size of the metal plate is equivalent to that of the substrate; the metal plate is in a concave-convex interval structure which is bent or bent along the transverse direction, and the convex part and the concave part of the metal plate are respectively close to the upper surface and the lower surface of the substrate but do not protrude out of the upper surface and the lower surface of the substrate.

2. The composite steel-plastic floor according to claim 1, wherein: the metal plate is provided with a plurality of through holes, the metal plate is wrapped inside during the forming of the substrate, and the substrates on the upper side and the lower side of the metal plate are formed into an integral structure through the through holes.

3. The composite steel-plastic floor according to claim 1, wherein: the metal plate is a profiled steel plate along the transverse direction.

4. The composite steel-plastic floor according to claim 1, wherein: a plurality of through holes are arranged along the longitudinal direction of the base plate and are arranged in thick convex parts formed at the concave parts of the base plate corresponding to the metal plates.

5. The composite steel-plastic floor according to claim 1, wherein: the metal plate is in a wave-shaped curved concave-convex alternate structure along the transverse direction.

6. The composite steel-plastic floor according to claim 1, wherein: the metal plate is in a groove-shaped bending type concave-convex alternate structure along the transverse direction.

7. The composite steel-plastic floor according to claim 1, wherein: the base plate is a PVC foaming layer which is prepared by adding wood fiber interwoven polyester fiber through material modification.

8. The composite steel-plastic floor according to claim 1, wherein: the upper surface and the lower surface of the substrate are respectively pressed with a surface layer with wood grain effect, which is made of ASA or PMA co-extrusion material.

9. The composite steel-plastic floor according to claim 1, wherein: the side surfaces of two longitudinal sides of the base plate are respectively provided with an installation groove.

10. The composite steel-plastic floor according to claim 2, wherein: the through holes are arranged along the top surfaces of the convex parts, the bottom surfaces of the concave parts and the transition surfaces between the concave parts and the convex parts of the metal plate, and the through holes are in a uniform arrangement structure which is aligned along the longitudinal direction of the metal plate and staggered along the transverse direction of the metal plate.