Composite rock wool sandwich board connecting structure

Abstract

The utility model discloses a composite rock wool sandwich board connecting structure which comprises a plurality of composite rock wool sandwich boards, each composite rock wool sandwich board comprises a face board and a back board, the face boards and the back boards are made of steel plates, rock wool core materials are arranged between the face boards and the back boards, and the face boards and the back boards are made of steel plates. The panel and the back plate are bonded with the rock wool core material through an adhesive, one side edge of the rock wool core material is provided with a step-shaped first connecting end part, the side, close to the steel plate, of the first connecting end part is provided with a notch, the other side edge of the rock wool core material is provided with a reversely arranged step-shaped second connecting end part, and the notch is provided with a notch. The two side edges, corresponding to the first connecting end of the rock wool core material, of the steel plates on the two sides are provided with tenons formed by bending, and the two side edges, corresponding to the second connecting end of the rock wool core material, of the steel plates on the two sides are provided with spigots formed by bending. The first connecting end parts and the second connecting end parts of two adjacent composite rock wool sandwich boards are connected in a staggered manner; and the tenons are correspondingly propped against the spigots.

Description

Technical Field

[0001] The utility model relates to the technical field of rock wool sandwich panels, in particular to a composite rock wool sandwich panel connection structure. Background Art

[0002] Rockwool sandwich panel is a sandwich panel made of rockwool as raw material. Rockwool sandwich panel gives full play to the unique properties of rockwool core material, and has significant effects in fire prevention, heat insulation, sound absorption and sound insulation.

[0003] Common rock wool sandwich panels at present generally include a rock wool core material and two steel plates, the rock wool profile is sandwiched between the two steel plates, the steel plates are generally galvanized color steel plates, aluminum-zinc color steel plates, aluminum-plated steel plates or stainless steel plates, the rock wool core material and the steel plates are bonded by a high-strength foaming agent, and one set of opposite sides of the rock wool core material and the steel plate are respectively provided with an inwardly concave connecting groove and an outwardly protruding connecting protrusion or connecting convex strip, and the connecting protrusion or connecting convex strip is used to cooperate with the connecting groove for plugging, thereby realizing the connection between two adjacent rock wool sandwich panels;

[0004] This fireproof rock wool board structure uses the method of wrapping the columns to insulate and prevent fire, but there are connectors between the columns and the rock wool boards, and heat conduction will still occur. When the heat reaches a certain level, the columns will catch fire inside, and the fireproof and heat-insulating effect of the rock wool board will be greatly reduced. Utility Model Content

[0005] The purpose of the utility model is to solve the above technical problems and to provide a composite rock wool sandwich panel connection structure, which improves the fireproofing, heat preservation and heat insulation effect of the composite rock wool sandwich panel through the staggered connection structure.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a composite rock wool sandwich panel connection structure, comprising a plurality of composite rock wool sandwich panels, the composite rock wool sandwich panel comprising a face plate and a back plate, a rock wool core material is arranged between the face plate and the back plate, the face plate and the back plate are bonded to the rock wool core material by an adhesive, one side of the rock wool core material has a stepped first connecting end, the first connecting end has a notch on a side close to the face plate and the back plate, the other pair of side edges of the rock wool core material have a stepped second connecting end arranged in the opposite direction, The panel and the back panel have tenons on both sides of the first connection end of the rock wool core material corresponding to the panel and the back panel, and the two corresponding tenons of the panel and the back panel are in a staggered structure. The panel and the back panel have stops on both sides of the second connection end of the rock wool core material corresponding to the panel and the back panel, and the two corresponding stoppers of the panel and the back panel are also in a staggered structure. The second connection end of the rock wool core material is also provided with a baffle, and the two ends of the baffle are respectively inserted into the stoppers on the corresponding side. The first connection ends and the second connection ends of the two adjacent composite rock wool sandwich panels are staggered and connected, and the tenons are correspondingly abutted against the stoppers.

[0007] A further preferred technical solution is that the two side edges of the first connecting end of the rock wool core material corresponding to the panel and the back panel have a first bent or rolled portion bent or rolled inward along the notch, and then a second bent or rolled portion is formed by bending or rolling 90 degrees toward the inner side of the rock wool core material by the first bent or rolled portion, and the two first bent or rolled portions form a tenon.

[0008] A further preferred technical solution is that the panel and the back panel have protruding ends on both side edges of the second connecting end of the rock wool core material, and then the ends are bent or rolled 180 degrees toward the inside of the rock wool core material to form a third bent or rolled portion, and the two third bent or rolled portions form a stop.

[0009] A further preferred technical solution is that the first connecting end portion and the second connecting end portion are two-layer steps, a portion of the first connecting end portion and the second connecting end portion is a protruding rectangular step, and another portion of the first connecting end portion and the second connecting end portion is a recessed rectangular groove lower than the rectangular step.

[0010] A further preferred technical solution is that the rectangular step and the rectangular groove use the center dividing surface of the first connecting end or the second connecting end as a parting surface.

[0011] A further preferred technical solution is that the thickness of the composite rock wool sandwich panel is 50 to 75 mm.

[0012] A further preferred technical solution is that the rock wool core material is 150kg / m3 rock wool core material.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the gripping force between two adjacent rock wool sandwich panels can be enhanced by the corresponding abutment between the tenon and the stopper, so that the two adjacent rock wool sandwich panels can be connected more tightly and are more convenient to install;

[0014] The staggered connection structure of the first connection end and the second connection end improves the thermal insulation effect of the composite rock wool sandwich panel, and greatly improves the thermal insulation and fire prevention effect of the rock wool panel. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is the front view of the practical composite rock wool sandwich panel;

[0016] Figure 2 This is a top view of the practical composite rock wool sandwich panel;

[0017] Figure 3 This is the front view of the utility model;

[0018] Figure 4 This is a schematic diagram of temperature measurement on the back-fire surface of the fire resistance test of the utility model;

[0019] In the figure: 100. composite rock wool sandwich panel; 110. steel plate; 111. tenon; 112. stopper; 120. rock wool core material; 121. rectangular step; 122. rectangular groove; 130. baffle. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Example

[0022] like Figure 1 and 2As shown, a composite rock wool sandwich panel connection structure includes several composite rock wool sandwich panels 100, the composite rock wool sandwich panel 100 includes a panel and a back panel, a rock wool core material 120 is arranged between the panel and the back panel, the panel and the back panel are bonded to the rock wool core material 120 by a two-component polyurethane adhesive, generally the panel and the back panel are made of steel plates 110, the rock wool core material 120 is sandwiched between two steel plates 110, the steel plates 110 generally use stainless steel plates, galvanized color steel plates, aluminum-zinc color steel plates or aluminum-plated steel plates, the rock wool core material 120 and the steel plates 110 are bonded by a two-component polyurethane adhesive, in the present application, one side of the rock wool core material 120 has a stepped first connecting end, preferably, the first connecting end is a two-layer step, that is, a part of the first connecting end is a protruding rectangular step 121, and the other part of the first connecting end is a recessed rectangular groove 122 lower than the rectangular step 121, Moreover, the rectangular step 121 has a notch on one side close to the steel plate 110, so that the rectangular step 121 is contracted on one side close to the steel plate 110, and the rectangular groove 122 also has a notch on one side close to the steel plate 110, so that the rectangular groove 122 is contracted on one side close to the steel plate 110. The other side of the rock wool core material 120 has a stepped second connecting end portion arranged in a reverse direction, and the first connecting end portion coincides with the second connecting end portion after being rotated 180 degrees. Preferably, the rectangular step 121 and the rectangular groove 122 use the middle dividing surface of the first connecting end portion as the parting surface, so that the rectangular step 121 and the rectangular groove 122 are the same volume structure. In the process of manufacturing the rock wool core material 120, it is only necessary to make the connecting end portion with the middle dividing surface of the rock wool core material 120, and there is no need to distinguish the sizes of the rectangular step 121 and the rectangular groove 122, so that two composite rock wool sandwich panels 100 can be assembled together.

[0023] In another embodiment, the rectangular step 121 and the rectangular groove 122 do not use the middle dividing surface of the first connecting end as the parting surface, that is, the rectangular step 121 and the rectangular groove 122 are of different volumes. During the manufacturing process of the rock wool core material 120, it is necessary to distinguish the sizes of the rectangular step 121 and the rectangular groove 122 so that the rectangular step 121 at the first connecting end of the rock wool core material 120 matches the rectangular groove 122 at the second connecting end of the rock wool core material 120, so that two composite rock wool sandwich panels 100 can be assembled together;

[0024] The steel plate 110 is bonded to the rock wool core material 120 by a two-component polyurethane adhesive, wherein one end of the rectangular groove 122 of the steel plate 110 corresponding to the first connection end of the rock wool core material 120 has a first bent or rolled portion bent or rolled inwardly along the notch, and then the first bent or rolled portion is bent or rolled 90 degrees to the inside of the rock wool core material to form a second bent or rolled portion, and the second bent or rolled portion is buckled on the end face of the rectangular groove 122; one end of the rectangular step 121 of the steel plate 110 corresponding to the second connection end of the rock wool core material 120 has an end protruding from the rectangular step 121, and then the end is bent or rolled 180 degrees to the inside of the rock wool core material 120 to form a third bent or rolled portion;

[0025] On the other side, one end of the rectangular step of the steel plate 110 corresponding to the first connection end of the rock wool core material 120 has a first bent or rolled portion bent or rolled inwardly along the notch, and then the first bent or rolled portion is bent or rolled 90 degrees to the inside of the rock wool core material 120 to form a second bent or rolled portion, and the second bent or rolled portion is buckled on the end surface of the rectangular step 121; one end of the rectangular groove 122 of the steel plate 110 corresponding to the second connection end of the rock wool core material 120 has an end protruding from the rectangular groove 122, and then the end is bent or rolled 180 degrees to the inside of the rock wool core material 120 to form a third bent or rolled portion;

[0026] The first connecting end portion corresponds to the first bending or rolling portion of the steel plates 110 on both sides to form a tenon 111, and the two corresponding tenons 111 are in a staggered structure; the second connecting end portion corresponds to the third bending or rolling portion of the steel plates 110 on both sides to form a stopper 112, and the two corresponding stoppers 112 are also in a staggered structure;

[0027] The steel plate 110 is further formed into a first rolling portion, a second rolling portion, and a third rolling portion by rolling, and rolling can realize continuous production, with high production efficiency, and the product has a consistent shape and stable product quality;

[0028] The second connection end of the rock wool core material 120 is provided with a baffle 130, the baffle 130 is stepped, the baffle 130 is in contact with the second connection end surface, and both ends of the baffle 130 have fourth bends or rolling portions, one of the fourth bends or rolling portions is inserted into the third bend or rolling portion of the corresponding steel plate 110 on one side, and the other fourth bend or rolling portion is inserted into the third bend or rolling portion of the corresponding steel plate 110 on the other side;

[0029] The stopper is formed by rolling, which can realize continuous production, has high production efficiency, and has consistent product shape and stable product quality;

[0030] like Figure 3As shown, when two composite rock wool sandwich panels 100 are assembled together, the rectangular step at one end of one composite rock wool sandwich panel 100 corresponding to the first connection end is inserted into the rectangular groove at one end of the other composite rock wool sandwich panel corresponding to the second connection end, so that the first connection end and the second connection end of the rock wool core material 120 of the two composite rock wool sandwich panels 100 are staggered and connected; and the first connection end corresponds to the first bending or rolling part of the steel plates 110 on both sides to form a tenon 111, and the second connection end corresponds to the third bending or rolling part of the steel plates 110 on both sides to form a stop 112, and the tenon 111 is inserted into the stop 112 to connect the two composite rock wool sandwich panels 100;

[0031] Through the staggered connection structure, the composite rock wool sandwich panel 100 can be thinned while maintaining a good fireproof and heat-insulating effect. Generally, the composite rock wool sandwich panel 100 can be made into a 50-75 mm thick metal rock wool composite sandwich panel; and the rock wool core material 120 preferably adopts 150 kg / m 3 Rockwool core material;

[0032] like Figure 4 As shown in the figure, in the thermal insulation test, five composite rock wool sandwich panels 100 are inserted into the stopper 112 through the tenon 111 and staggered to form a fire exposure area of ​​9.06m 2 The composite rock wool sandwich panel 100 has a thickness of 50 mm, and the front panel and the back panel are both 0.5 mm stainless steel plates. Figure 4 As shown, a thermocouple is set at the position shown in the figure 100 on the back-fire surface of the wall panel. Through experiments, it can be known that during the fire test, the temperature measuring points are arranged at the seams between two adjacent composite rock wool sandwich panels and 100mm away from the seams. According to the original structural type, the front panel and the back panel are symmetrically glued. When the fire test is carried out, the temperature transfer is linear transfer, but after changing to a staggered structure, the temperature transfer can become a turning transfer, which can greatly improve the thermal insulation performance and has a good fireproof and heat-insulating effect.

[0033] The preparation process comprises the following steps:

[0034] 1) The surface of a 0.5 mm thick steel plate is covered with a PET protective film through a laminating device;

[0035] 2) calendering by roll forming equipment;

[0036] 3) Continuously transferring it to a preheating chamber through a mechanical conveyor belt at a linear speed of 5 to 10 m / min to be preheated to 30 to 32 degrees Celsius, and then conveying it to an automated vector high-pressure injection device for high-pressure coating of a two-component polyurethane adhesive;

[0037] 4) After the rock wool / fireproof insulation core material of the required specifications is mechanically coated with an automated vector two-component polyurethane adhesive on four sides at high pressure, it is transferred to the metal plate cavity where the automated vector high-pressure injection equipment has been used to coat the two-component polyurethane adhesive on three sides at high pressure.

[0038] 5) Then it merges with the backing material sent in by the upper unwinding equipment platform and enters the entrance of the continuous double-conveyor continuous curing and molding system. During the transmission process, the decorative surface of the decorative layer material is kept facing down; at this time, the line speed is 5 to 10 m / min.

[0039] 6) The double-track continuous molding device has an operating speed of 5 to 10 m / min and an internal temperature of 62 to 69° C. The product is cross-linked and thermally synthesized in the continuous double-track continuous curing molding system;

[0040] 7) The products are cut, stacked and packaged by the automatic cutting and packaging system at the end of the automatic production line, and then transported to the finished product retention area for aging to become the final product.

[0041] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A composite rock wool sandwich panel connection structure, comprising a plurality of composite rock wool sandwich panels, wherein the composite rock wool sandwich panel comprises a front panel and a back panel, a rock wool core material is arranged between the front panel and the back panel, and the front panel and the back panel are bonded to the rock wool core material by an adhesive, characterized in that: One side of the rock wool core material has a stepped first connecting end, and the first connecting end has a notch on a side close to the panel and the back panel, and the other pair of side edges of the rock wool core material has a stepped second connecting end set in the opposite direction, and the panel and the back panel have tenons on both sides of the first connecting end of the rock wool core material corresponding to the panel and the back panel, and the two corresponding tenons of the panel and the back panel are in a staggered structure, and the panel and the back panel have stoppers on both sides of the second connecting end of the rock wool core material corresponding to the panel and the back panel, and the two corresponding stoppers of the panel and the back panel are also in a staggered structure, and the second connecting end of the rock wool core material is also provided with a baffle, and the two ends of the baffle are respectively inserted into the stoppers on the corresponding side, and the first connecting end and the second connecting end of two adjacent composite rock wool sandwich panels are staggered and connected, and the tenons are correspondingly abutted against the stoppers.

2. A composite rock wool sandwich panel connection structure according to claim 1, characterized in that: The panel and the back panel have a first bent or rolled portion on both sides of the first connecting end of the rock wool core material corresponding to the notch, and then a second bent or rolled portion is formed by bending or rolling the first bent or rolled portion 90 degrees toward the inside of the rock wool core material, and the two first bent or rolled portions form a tenon.

3. A composite rock wool sandwich panel connection structure according to claim 1, characterized in that: The panel and the back panel have protruding ends on both sides of the second connecting end of the rock wool core material, and then the ends are bent or rolled 180 degrees toward the inside of the rock wool core material to form a third bent or rolled portion, and the two third bent or rolled portions form a stop.

4. The composite rock wool sandwich panel connection structure according to claim 1, characterized in that: The first connection end and the second connection end are two-layer steps, a part of the first connection end and the second connection end is a protruding rectangular step, and the other part of the first connection end and the second connection end is a recessed rectangular groove lower than the rectangular step.

5. A composite rock wool sandwich panel connection structure according to claim 4, characterized in that: The rectangular step and the rectangular groove use the center dividing surface of the first connecting end or the second connecting end as a parting surface.

6. The composite rock wool sandwich panel connection structure according to claim 1, characterized in that: The thickness of the composite rock wool sandwich panel is 50-75 mm.

7. The composite rock wool sandwich panel connection structure according to claim 1, characterized in that: The rock wool core material is 150kg / m3 rock wool core material.

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