CN219883434U - Composite rock plate and deck plate - Google Patents

Abstract

The utility model provides a composite rock plate and a table top plate, wherein the composite rock plate comprises: the metal plate layer is arranged on one side of the thickness direction of the rock plate layer and is glued and fixed with the rock plate layer; the metal plate layer is provided with a glue containing cavity for containing redundant glue between the metal plate layer and the rock plate layer. Through covering metal sheet layer on the rock sheet layer, constitute compound rock sheet to set up glue holding chamber on the metal sheet layer, make unnecessary glue between rock sheet layer and the metal sheet layer derive, with this glue layer after making solidification between rock sheet layer and the metal sheet layer tends to be leveled, thereby guarantee that the metal sheet layer is to the steady support of rock sheet layer everywhere, thereby make the even atress everywhere of rock sheet layer, effectively promote shock resistance and the anti fracture performance of rock sheet layer, simultaneously, promote the quality of all kinds of deck boards that use this compound rock sheet to make, promote user's use experience.

Description

Composite rock plate and deck plate

Technical Field

The utility model relates to the technical field of rock plate production, in particular to a composite rock plate and a deck plate.

Background

Along with the continuous promotion of the 'double carbon' target, the national environmental protection consciousness is continuously enhanced, and the whole production and living mode of the society gradually tends to develop in the directions of greener, more environment-friendly and lower carbon. For example, the building decoration industry is beginning to widely select rock plates with higher environmental protection performance as main application materials.

The rock plate is made of natural stone through special process, pressing by means of a press with more than ten thousand tons, combining with advanced production technology, and firing at high temperature of more than 1200 ℃ to obtain a novel ultra-large porcelain material which can withstand the processing procedures of cutting, drilling, polishing and the like; the rock plate is mainly used for wall decoration panels at the beginning due to the characteristics of rich textures, scratch resistance, corrosion resistance, high temperature resistance, easy cleaning and the like; in recent years, in order to meet market demands, rock plates are gradually applied to various household deck boards. However, since the rock plate material is brittle and has weak impact resistance, the deck plate simply made of the rock plate material is easy to crack when in use, so that the appearance of household products is influenced, a certain potential safety hazard is caused for users, the overall use experience of consumers is influenced, and the consumers have the occurrence when the consumers generate business disputes with related enterprises, so that the problems to be improved exist.

Disclosure of Invention

The utility model aims to provide a composite rock plate and a deck plate, which are used for improving the overall impact resistance and cracking resistance of a rock plate deck surface and further improving the use experience of users.

The technical scheme provided by the utility model is as follows:

the utility model provides a composite rock plate, comprising:

a rock plate layer;

the metal plate layer is arranged on one side of the thickness direction of the rock plate layer and is glued and fixed with the rock plate layer;

the glue containing cavity is arranged on the metal plate layer and is used for containing redundant glue after the metal plate layer and the rock plate layer are bonded.

According to the composite rock plate provided by the utility model, the metal plate layers are covered on the rock plate layers to form the composite rock plate, so that the structural strength of various table panels manufactured by using the composite rock plate is increased, the shock resistance of the composite rock plate is enhanced, the cracking condition of various table panels manufactured by using the composite rock plate in the use process of a user is reduced, the cracking resistance of the composite rock plate is enhanced, the appearance and the use safety of the corresponding table panels are guaranteed, and the use experience of the user is effectively improved.

Meanwhile, the glue containing cavity is formed in the metal plate layer, when the rock plate layer and the metal plate layer are bonded through glue, redundant glue between the rock plate layer and the metal plate layer flows into the glue containing cavity, the glue between the rock plate layer and the metal plate layer flows fully, the solidified glue layer between the rock plate layer and the metal plate layer tends to be smooth, the stable support of the metal plate layer on the rock plate layer is guaranteed, the rock plate layer is uniformly stressed, and the shock resistance and cracking resistance of the rock plate layer are effectively improved.

In some embodiments, the metal plate layer is provided with a plurality of through holes penetrating through the metal plate layer in the thickness direction, and the glue accommodating cavity is formed at a position between the inner wall of the through hole and the rock plate layer.

According to the composite rock plate provided by the utility model, the glue accommodating cavity is formed by the through holes formed in the metal plate layer and the side wall of the rock plate layer, so that the structure is simple, the forming is convenient, the production convenience of the composite rock plate is improved, and the production cost of enterprises is saved.

In some embodiments, the through holes comprise round holes, and the round holes are uniformly distributed on the surface of the metal plate layer.

In some embodiments, the through hole comprises a waist-shaped hole, and the length direction of the waist-shaped hole is parallel to the length direction of the metal plate layer, or the length direction of the waist-shaped hole is parallel to the width direction of the metal plate layer, or part of the length direction of the waist-shaped hole is parallel to the length direction of the metal plate layer, part of the length direction of the waist-shaped hole is parallel to the width direction of the metal plate layer, and the waist-shaped holes are uniformly distributed at intervals on the plate surface of the metal plate layer.

Through the composite rock plate provided by the utility model, the through holes are uniformly distributed on the plate surface of the metal plate layer, and the redundant glue at each position between the rock plate layer and the metal plate layer is led out from the through holes at the corresponding positions, so that the flatness of the glue layer between the rock plate layer and the metal plate layer is further ensured.

In some embodiments, the through holes are distributed at a middle position of the plate surface of the metal plate layer, so that the edges of the metal plate layer form a non-perforated area with a preset width.

According to the composite rock plate, when the table panel made of the composite rock plate is installed, for example, when the kitchen table panel made of the composite rock plate is installed, the edge of the table panel needs to extend out of the preset width of the cabinet body to form the edge of the table surface; the edge of the metal plate layer is provided with the non-perforated area with the preset width, so that the part of the table panel extending out of the cabinet body does not leak through holes during actual installation, and on one hand, the attractive appearance of the whole kitchen table panel is guaranteed; on the other hand, the situation that water permeates between the metal plate layer and the rock plate layer through the through holes on the surface of the metal plate after flowing down from the edge of the kitchen table panel is reduced, so that long-term stable connection between the metal plate layer and the rock plate layer is guaranteed, the structural strength of the table panel made of the composite rock plate is improved, and the service life of the table panel is prolonged.

In some embodiments, the side of the metal sheet layer adjacent to the rock sheet layer is rough.

According to the composite rock plate provided by the utility model, one side of the metal plate layer, which is close to the rock plate layer, is provided with the rugged rough surface, so that the roughness of the surface of the metal plate layer is increased, the adhesion effect of the metal plate layer and the rock plate layer is improved, and the long-term stable connection of the metal plate layer and the rock plate layer is further ensured.

In some embodiments, a mounting groove is formed in one side of the rock plate layer, which is close to the metal plate layer, the metal plate layer is embedded in the mounting groove, and a gap with a preset size range is formed between the side wall of the mounting groove and the edge of the metal plate layer.

According to the composite rock plate provided by the utility model, the mounting grooves are formed to limit the positions of the metal plate layers adhered to the rock plate layers, so that convenience in mounting the metal plate layers on the rock plate layers is improved; meanwhile, gaps with corresponding size ranges are preset between the side walls of the mounting grooves and the edges of the metal plate layers, so that on one hand, the requirements on the size errors of the metal plate layers are reduced, and the production convenience of the composite rock plate is further improved; on the other hand, when using all kinds of deck boards that this compound rock board was made, for example kitchen deck board, after water flowed down from kitchen deck board edge, because the gap separation, effectively reduced water from the gap between rock sheet layer and the metal sheet layer infiltration rock sheet layer and the condition emergence between the metal sheet layer, effectively guaranteed the firm connection of metal sheet layer and rock sheet layer, increased the structural strength of using various deck boards of this compound rock board preparation, prolonged its life.

In some embodiments, the mounting groove is formed with a slope extending from the middle to the edge of the rock laminate layer in the thickness direction of the rock laminate layer.

When the composite rock plate is used for manufacturing various deck boards, such as kitchen deck boards, the slope is used for guiding water flow at the edge of the rock plate layer, and the situation that corresponding water flows to gaps between the side wall of the mounting groove and the edge of the metal plate layer is reduced.

In some embodiments, the edges of the metal sheet layer are bent to one side of the rock sheet layer and form a binding fixedly wrapped around the side walls of the edges of the rock sheet layer.

According to the composite rock plate provided by the utility model, when the length and width dimensions of the metal plate layer are larger than the corresponding length and width dimensions of the rock plate layer, the edge of the metal plate layer is bent towards one side of the rock plate layer and is coated on the side wall of the edge of the rock plate layer, so that the situation that the edge of the metal plate layer is scratched is reduced, and the safety of the composite rock plate is improved; meanwhile, the edge side wall of the rock plate layer is covered by the wrapping edges, so that the occurrence of the condition that the rock plate layer collides with and is damaged is reduced, and the use safety of the composite rock plate is further improved.

According to another aspect of the present utility model, there is also provided a deck plate comprising any one of the composite rock plates described above, the side of the rock plate layer facing away from the support plate layer forming the front face of the deck plate, the metal plate layer forming the support floor of the deck plate; and the composite rock plate is provided with a water tank avoiding hole in a penetrating manner in the thickness direction of the composite rock plate.

According to the deck plate manufactured by the composite rock plate, the support plate layer stably supports the rock plate layer, so that the structural strength of the deck plate is effectively improved, the shock resistance of the deck plate is enhanced, the occurrence of cracking of the deck plate in the using process of a user is reduced, the attractiveness and the use safety of the deck plate are further ensured, and the use experience of the user is effectively improved.

Compared with the prior art, the composite rock plate and the table top plate provided by the utility model have at least one of the following beneficial effects:

1. the metal plate layers are covered on the rock plate layers to form the composite rock plate, through holes are uniformly formed in the metal plate layers at intervals, so that redundant glue between the rock plate layers and the metal plate layers in the bonding process is uniformly led out, uniformity of glue thickness between the rock plate layers and the metal plate layers is improved, stable support of the metal plate layers on the rock plate layers is guaranteed, the rock plate layers are uniformly stressed, impact cracking of the composite rock plate is reduced, impact strength of the composite rock plate is enhanced, quality of various table panels made of the composite rock plate is effectively improved, and user experience is improved;

2. through evenly arranging the through holes in the middle of the plate surface of the metal plate layer, forming a non-perforated area with a preset width at the edge of the metal plate layer, and when the table top plate made of the composite rock plate is installed, when the edge of the table top plate needs to extend out of the edge of the table top plate with a certain size, the extending part of the table top plate does not leak out of the through holes, so that the appearance of the whole table top plate is attractive; meanwhile, the situation that water permeates between the metal plate layer and the rock plate layer through the through holes on the surface of the metal plate after flowing down from the edge of the panel is effectively reduced, thereby being beneficial to ensuring long-term stable connection between the metal plate layer and the rock plate layer,

3. the method comprises the steps of forming a mounting groove for mounting a metal plate layer on a rock plate layer, forming a gap with a preset size range between the side wall of the mounting groove and the edge of the metal plate layer, and forming a slope on the inner side wall of the mounting groove; during actual production, the metal plate layer slides into the mounting groove along the slope, so that the convenience of mounting the metal plate layer on the rock plate layer is effectively improved; and when using all kinds of deck boards that this compound rock board was made, for example kitchen deck board, the water at rock sheet layer edge flows down from the slope to because the gap separation, effectively reduce the water from rock sheet layer and the gap at metal sheet layer edge infiltration rock sheet layer and the condition emergence between the metal sheet layer, effectively guarantee the firm connection of metal sheet layer and rock sheet layer, increase the structural strength who uses various deck boards of this compound rock board preparation, prolong its life.

Drawings

The above features, technical features, advantages and implementation modes of the present utility model will be further described in the following description of preferred embodiments with reference to the accompanying drawings in a clear and understandable manner.

Fig. 1 and fig. 2 are schematic axial views of an embodiment of the present utility model, which mainly show the overall structure of the composite rock plate;

fig. 3 and fig. 4 are schematic axial views of mounting slots according to an embodiment of the present utility model;

FIGS. 5 and 6 are schematic axial views of a binding molding position according to an embodiment of the present utility model;

FIG. 7 is an isometric view of an embodiment of the utility model that generally represents the overall structure of a deck plate.

Reference numerals illustrate:

1. a rock plate layer; 11. a mounting groove; 12. a slope; 2. a metal plate layer; 21. wrapping edges; 3. a through hole; 4. the water tank avoids the hole.

Detailed Description

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following description will explain the specific embodiments of the present utility model with reference to the accompanying drawings. It is evident that the drawings in the following description are only examples of the utility model, from which other drawings and other embodiments can be obtained by a person skilled in the art without inventive effort.

For the sake of simplicity of the drawing, the parts relevant to the present utility model are shown only schematically in the figures, which do not represent the actual structure thereof as a product. Additionally, in order to simplify the drawing for ease of understanding, components having the same structure or function in some of the drawings are shown schematically with only one of them, or only one of them is labeled. Herein, "a" means not only "only this one" but also "more than one" case.

In one embodiment, referring to fig. 1 and 2 of the drawings of the specification, a composite rock plate comprises a rock plate layer 1, wherein a metal plate layer 2 is arranged on one side of the rock plate layer 1 in the thickness direction, and the metal plate layer 2 and the rock plate layer 1 are fixed through glue adhesion; meanwhile, a glue accommodating cavity is formed in the metal plate layer 2 and is used for accommodating redundant glue between the metal plate layer 2 and the rock plate layer 1.

In actual production, glue is coated on the bonding side of the rock plate layer 1 and the metal plate layer 2, and then the rock plate layer 1 and the metal plate layer 2 are pressed, and the glue between the rock plate layer 1 and the metal plate layer 2 flows fully, so that the rock plate layer 1 and the metal plate layer 2 are firmly bonded through the glue; meanwhile, redundant glue between the rock plate layer 1 and the metal plate layer 2 flows to the glue containing cavity, so that the glue layer between the rock plate layer 1 and the metal plate layer 2 tends to be flat, the connection strength of the rock plate layer 1 and the metal plate layer 2 is ensured, the metal plate layer 2 stably supports the rock plate layer 1 everywhere, the rock plate layer 1 is uniformly stressed everywhere, the impact resistance of the composite rock plate is improved, the occurrence of cracking of the rock plate layer 1 due to impact force in the use process of the composite rock plate is reduced, and the impact resistance of the composite rock plate is improved.

In one embodiment, a composite rock laminate comprises the rock laminate layer 1, the metal laminate layer 2 and the glue receiving cavity described in the above embodiments. Specifically, referring to fig. 1 and 2, in this embodiment of the present utility model, the rock laminate layer 1 is in a rectangular plate-like structure as a whole, and the metal laminate layer 2 is adapted to the rock laminate layer 1 to be also in a rectangular plate-like structure. However, in the embodiment of the present utility model, the shapes of the rock laminate layer 1 and the metal laminate layer 2 may be adaptively adjusted according to the actual application scenario, and the shapes thereof are not particularly limited. The rock laminate layer 1 and the metal laminate layer 2 are fixed by gluing, and in order to ensure the water resistance of the deck plate made of the composite rock laminate, in this embodiment of the utility model, water-resistant glue is preferably used. Meanwhile, in order to improve the adhesive strength between the rock plate layer 1 and the metal plate layer 2, in this embodiment of the present utility model, the side surface of the metal plate layer 2, which is close to the rock plate layer 1, is provided with a rough surface structure, so as to increase the adhesive strength between the glue and the metal plate layer 2; similarly, the side surface of the rock plate layer 1, which is close to the metal plate layer 2, can be also provided with the same rough surface structure so as to improve the bonding strength between the glue and the rock plate layer 1 and further ensure the stable bonding between the rock plate layer 1 and the metal plate layer 2.

Further, in this embodiment of the present utility model, the metal plate layer 2 is provided with a plurality of through holes 3 penetrating through its thickness direction, and after the rock plate layer 1 is bonded with the metal plate layer 2, the glue accommodating cavity is formed at a position where the side wall of the rock plate layer 1, which is close to the metal plate layer 2, is surrounded by the inner wall of the through holes 3; the through holes 3 are uniformly distributed on the plate surface of the metal plate layer 2 at intervals.

In actual production, glue is coated on the bonding side of the rock plate layer 1 and the metal plate layer 2, and after the rock plate layer 1 and the metal plate layer 2 are pressed, the glue between the rock plate layer 1 and the metal plate layer 2 flows fully, and gaps between the rock plate layer 1 and the metal plate layer 2 are filled, so that the rock plate layer 1 and the metal plate layer 2 are firmly bonded; meanwhile, redundant glue between the rock plate layer 1 and the metal plate layer 2 is led out from the through holes 3 through extrusion, so that the glue layer between the rock plate layer 1 and the metal plate layer 2 tends to be flat; and, the through-hole 3 is filled to unnecessary glue, fixes the position of cover metal sheet layer 2 and rock sheet layer 1 gap to this reduces the condition emergence that water flows between metal sheet layer 2 and the rock sheet layer 1 from through-hole 3 department, helps keeping metal sheet layer 2 and rock sheet layer 1's long-term stable connection.

In addition, in this embodiment of the present utility model, the through holes 3 are provided as circular holes, the plurality of circular holes are uniformly spaced apart along the length direction of the metal plate layer 2, and circular hole groups are formed, and the circular hole groups are uniformly spaced apart along the width direction of the metal plate layer 2 in a plurality of rows. When the metal plate layer 2 is adhered to the rock plate layer 1, redundant glue between the metal plate layer 2 and the rock plate layer 1 is uniformly led out from round holes at corresponding positions.

Of course, in the embodiment of the present utility model, the shape of the through hole 3 is not limited to a circular shape, and may be configured as a waist-shaped hole, a rectangular hole, or other corresponding hole structures according to specific applications, which is not particularly limited. Referring to fig. 2, when the through hole 3 is formed as a waist-shaped hole, the length direction of the waist-shaped hole is parallel to the length direction of the metal sheet layer 2, or the length direction of the waist-shaped hole is parallel to the width direction of the metal sheet layer 2, or part of the length direction of the waist-shaped hole is parallel to the length direction of the metal sheet layer 2, and part of the length direction of the waist-shaped hole is parallel to the width direction of the metal sheet layer 2, and the waist-shaped holes are uniformly distributed at intervals on the surface of the metal sheet layer 2, so that the surplus glue between the metal sheet layer 2 and the rock sheet layer 1 is uniformly led out from the waist-shaped hole at the corresponding position.

Moreover, since the excess glue near the edges of the metal sheet layer 2 and the rock sheet layer 1 is led out from the edges of the metal sheet layer 2 and the rock sheet layer 1, in this embodiment of the present utility model, the plurality of through holes 3 of the metal sheet layer 2 are all distributed at the middle position of the surface of the metal sheet layer 2, so that the edges of the metal sheet layer 2 form a non-perforated area with a preset width.

When installing a deck plate made of the composite rock plate, for example, when installing a kitchen deck plate made of the composite rock plate, the edge of the kitchen deck plate is usually required to extend out of the cabinet body by a preset width to form the edge of the deck plate. When the kitchen table panel is specifically installed, the through holes 3 are formed in the middle position of the metal plate layer 2, and the positions, which are not perforated, of the edges of the metal plate layer 2 extend out of the cabinet body, so that the whole appearance of the kitchen table panel cannot be leaked out of the through holes 3, and the attractiveness of the kitchen table panel is effectively ensured; meanwhile, the occurrence of the condition that water flows down from the edge of the kitchen panel and permeates between the metal plate layer 2 and the rock plate layer 1 through the through holes 3 is effectively reduced, the connection stability of the metal plate layer 2 and the rock plate layer 1 is further ensured, and the service life of the corresponding kitchen panel is prolonged.

In this embodiment of the present utility model, in order to further improve the connection stability between the rock laminate layer 1 and the metal laminate layer 2, the through holes 3 may be formed using a punching process; specifically, the through holes 3 are punched from one side of the metal plate layer 2 away from the rock plate layer 1 to one side of the metal plate layer 1, and flanging is formed at the edge position of one side of the metal plate layer 2 close to the rock plate layer 1, corresponding to the corresponding through holes 3; when the composite rock plate is produced, glue is coated on the combined side of the rock plate layer 1 and the metal plate layer 2, and after the rock plate layer 1 and the metal plate layer 2 are pressed, negative pressure states are formed between corresponding flanges and the rock plate layer 1 through extrusion, so that the corresponding flanges are adsorbed on the side wall of the rock plate layer 1, and the occurrence of the condition that the metal plate layer 2 is separated from the rock plate layer 1 is further reduced.

Further, in order to improve the production convenience of the composite rock plate, referring to fig. 3 and 4, in the embodiment of the present utility model, when the length and width dimensions of the metal plate layer 2 are smaller than the corresponding length and width dimensions of the Yu Yan plate layer 1, the mounting groove 11 is formed on one side of the metal plate layer 1 adjacent to the metal plate layer 2, and the metal plate layer 2 is embedded in the mounting groove 11, so as to limit the position of the metal plate layer 2 mounted on the metal plate layer 1. In order to reduce the production error, the length and width dimensions of the mounting groove 11 are generally larger than those of the metal plate layer 2, and after the metal plate layer 2 is mounted in the mounting groove 11, a gap within a predetermined dimension range is formed between the edge of the metal plate layer 2 and the side wall of the mounting groove 11. In addition, the inside wall shaping of mounting groove 11 has along the domatic 12 that rock slab 1 thickness direction from rock slab 1 middle part to edge extended to this reduces when using the deck plate of this compound rock slab preparation, and water flows down from the deck plate and flows through the gap between the edge of metal slab 2 and the mounting groove 11 lateral wall, and the condition that later permeates between rock slab 1 and the metal slab 2 from the deck plate edge takes place, effectively guarantees the structural strength of the deck plate of using this compound rock slab to make, prolongs its life.

Referring to fig. 5 and 6, when the length and width dimensions of the metal sheet layer 2 are larger than those of the rock sheet layer 1, the metal sheet layer 2 is small in thickness and easy to bend during actual production, and after the metal sheet layer 2 is adhered to the rock sheet layer 1, the edge of the metal sheet layer 2 is folded towards one side of the rock sheet layer 1, and a wrapping edge 21 wrapping the edge of the rock sheet layer 1 is formed, so that the occurrence of the situation that the edge of the metal sheet layer 2 scratches a worker or a user is reduced, and the safety of using the composite rock sheet is improved; meanwhile, the edge of the rock plate layer 1 is protected, and the occurrence of damage caused by collision of the edge of the rock plate layer 1 is reduced.

In one embodiment, referring to fig. 7, further comprising a deck plate comprising the composite rock plate of the above embodiment, wherein the side of the rock plate layer 1 of the composite rock plate facing away from the metal plate layer 2 forms the front face of the deck plate, and the metal plate layer 2 forms the supporting floor of the deck plate; in addition, in order to avoid the water tank arranged at the table panel, a water tank avoiding hole 4 is formed in the middle of the composite rock plate in a penetrating manner in the thickness direction of the composite rock plate.

It should be noted that the above embodiments can be freely combined as needed. The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.

Claims (10)

1. A composite rock laminate, comprising:

a rock plate layer;

the metal plate layer is arranged on one side of the thickness direction of the rock plate layer and is glued and fixed with the rock plate layer;

the glue containing cavity is arranged on the metal plate layer and is used for containing redundant glue after the metal plate layer and the rock plate layer are bonded.

2. The composite rock plate of claim 1, wherein the metal plate layer is provided with a plurality of through holes penetrating through the metal plate layer in the thickness direction, and the glue accommodating cavity is formed at a position between the inner wall of the through holes and the rock plate layer.

3. A composite rock plate according to claim 2, wherein the through holes comprise circular holes, which are evenly distributed in the plane of the metal plate layer.

4. The composite rock plate of claim 2, wherein the through holes comprise waist-shaped holes, the length direction of the waist-shaped holes is parallel to the length direction of the metal plate layer, or the length direction of the waist-shaped holes is parallel to the width direction of the metal plate layer, or part of the length direction of the waist-shaped holes is parallel to the length direction of the metal plate layer, and part of the length direction of the waist-shaped holes is parallel to the width direction of the metal plate layer, and the waist-shaped holes are uniformly distributed at intervals on the plate surface of the metal plate layer.

5. A composite rock laminate according to claim 3 or 4, wherein the through holes are distributed in the middle of the sheet surface of the sheet metal layer such that the edges of the sheet metal layer form a non-perforated area of a predetermined width.

6. A composite rock laminate according to any one of claims 1 to 4, wherein the side of the metal sheet layer adjacent to the rock laminate is in the form of a rough surface.

7. A composite rock plate according to any one of claims 1 to 4, wherein a mounting groove is provided in a side of the rock plate layer adjacent to the metal plate layer, the metal plate layer is embedded in the mounting groove, and a gap of a predetermined size range is provided between a side wall of the mounting groove and an edge of the metal plate layer.

8. A composite rock laminate according to claim 7, wherein the inner side walls of the mounting groove are profiled with a sloping surface extending from the centre to the edge of the rock laminate in the thickness direction of the rock laminate.

9. A composite rock laminate according to any one of claims 1 to 4, wherein the edges of the metal sheet are bent towards one side of the rock laminate and form a hem fixedly wrapped around the side walls of the edges of the rock laminate.

10. A deck plate comprising a composite rock laminate according to any one of the preceding claims 1-9, the side of the rock laminate facing away from the metal laminate forming the front face of the deck plate, the metal laminate forming the support floor of the deck plate; and the composite rock plate is provided with a water tank avoiding hole in a penetrating manner in the thickness direction of the composite rock plate.