Flame-retardant polypropylene plate

Abstract

The utility model provides a flame-retardant polypropylene plate, relates to the technical field of flame-retardant polypropylene, and aims to solve the problems that a splicing gap is inevitably generated at a splicing part and a performance protection gap exists in the plate in the use process due to the existence of the splicing gap when a polypropylene plate is spliced mainly by adopting a frame butt joint mode. Comprising a splicing plug and interval splicing plates. And constraint clamping grooves are formed in the outer walls of the splicing plugs, constraint T-shaped plates are fixedly connected to the inner sides of the interval splicing plates, and the constraint T-shaped plates are inserted into the constraint clamping grooves. Compared with traditional frame butt joint, the two adjacent high-strength base bodies are stably spliced, splicing notches are effectively avoided, the butt joint positions of the plates are tightly attached, the overall appearance flatness after splicing is improved, the sealing performance and the structural strength of the splicing positions of the plates are improved, and the service life of the high-strength base bodies is prolonged. And the application range of the method in scenes with relatively high requirements on splicing precision and overall performance is greatly expanded.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of flame-retardant polypropylene, more particularly, it is especially related to a flame-retardant polypropylene board. BACKGROUND

[0002] In many fields of modern industry and daily life, plastic products have been widely used due to their advantages such as light weight, convenient processing, low cost and good comprehensive performance. Polypropylene is a common thermoplastic, and it is a flammable polymer with an ultimate oxygen index usually between 17% and 18%. When exposed to a fire source, it can easily burn and produce a large amount of heat, smoke and toxic gases, which not only seriously threatens life and property safety, but also causes great harm to the environment. Traditional methods usually use the addition of flame retardants to prepare flame-retardant polypropylene boards. In order to make polypropylene boards have better flame retardance, a flame-retardant polypropylene board is needed.

[0003] For example, the application number: 202122048614.5 proposes a kind of flame-retardant low thermal conductivity foamed polypropylene board, including polypropylene board body, the metal frame is fixedly sheathed in polypropylene board body outer side, first connecting component and second connecting component are fixedly arranged in the outer side of metal frame, polypropylene board body is composed of reinforcing net and foamed polypropylene particle, and foamed polypropylene particle is fused and bonded on the outer side of reinforcing net by heating and pressurizing, by the modification of foamed polypropylene particle, adjust its outer wall thickness and closed cell structure, so that it has low thermal conductivity and excellent flame retardance, by setting first connecting component and second connecting component, it is convenient to splice between foamed polypropylene board, by setting antioxidant coating, the antioxidant performance of polypropylene board body can be improved, oxidation is not easy, by setting reinforcing net, the structural strength of polypropylene board body can be improved, so that it is not easy to deform, convenient to assemble, oxidation is not easy, and the structural strength is good.

[0004] Based on the above-mentioned technology, it is found that the above-mentioned polypropylene board mainly uses frame butt joint method for splicing, however, this butt joint method makes it difficult to achieve close fit at the butt joint position of the board, and it is inevitable to produce splicing gaps at the splicing position, the existence of splicing gaps not only affects the overall appearance flatness of the spliced polypropylene board, but also may cause performance protection gaps in the use process of the board. UTILITY MODEL CONTENTS

[0005] In order to solve the above-mentioned technical problems, the utility model relates to a flame-retardant polypropylene board, in order to solve the problem that the polypropylene board mainly uses frame butt joint method for splicing, however, this butt joint method makes it difficult to achieve close fit at the butt joint position of the board, and it is inevitable to produce splicing gaps at the splicing position, the existence of splicing gaps causes performance protection gaps in the use process of the board.

[0006] The utility model provides a flame -retardant polypropylene board material, reach by following specific technical means:

[0007] The flame -retardant polypropylene board material, comprising: high -strength matrix, the edge position of high -strength matrix is fixedly connected with splicing plug equidistantly, the outer wall of splicing plug is equipped with constraint slot, constraint slot is T -shaped groove, and splicing plug is in alignment state when high -strength matrix splicing state, the surface of high -strength matrix is daubed with adhesion layer, the adhesion layer is in the adhesion of fiber layer, adhesion layer is connected with outer protection matrix, interval splicing board is inserted between adjacent outer protection matrix, the inner side of interval splicing board is fixedly connected with constraint T plate, and constraint T plate is inserted in the inside of constraint slot, the outer wall of interval splicing board is fixedly connected with top stopper, the upper and lower sides of high -strength matrix are respectively clamped with interval protection shell, and interval protection shell is clamped in the inner side of top stopper.

[0008] Further, the high-strength matrix adopts a high-strength polypropylene matrix; the splicing plug adopts a high-strength polypropylene material, and the splicing plug is in a rectangular block structure.

[0009] Further, the adhesion layer is in a glue layer; the fiber layer is used to increase the overall strength of the board; the outer protection matrix adopts a low-strength polypropylene material.

[0010] Further, the interval splicing board is in a cuboid structure, the outer wall of the interval splicing board is provided with a rectangular pressing plate, the upper and lower sides of the interval splicing board are respectively provided with inclined surfaces, and the interval splicing board is provided with two groups.

[0011] Further, the constraint T plate is in a T-shaped strip structure, and the constraint T plate is provided with two groups.

[0012] Further, the top stopper is in a wedge-shaped block structure, and the top stopper is fixedly connected to the inclined surface of the interval splicing board; the interval protection shell is in an L-shaped long plate structure, the interval protection shell is provided with an inclined surface, and the inclined surface of the interval protection shell is in contact with the inclined surface of the interval splicing board.

[0013] The flame -retardant polypropylene board material has the following beneficial effects:

[0014] 1. In the device, the splicing plugs are equidistantly arranged at the edges of the high-strength matrix, and the splicing plugs can be in the alignment state when the high-strength matrix is spliced, the constraint slot and the constraint T plate inside the interval splicing board are matched, the stable splicing of the two adjacent high-strength matrixes is realized, compared with the traditional frame butt joint, the generation of the splicing gap is avoided, the butt joint position of the board is tightly fitted, the overall appearance flatness after splicing is improved, the sealing property and the structural strength of the splicing position of the board are enhanced, and the application range of the board in the scene with high requirements for splicing precision and overall performance is greatly expanded.

[0015] 2、In the device, the high-strength base body adopts a high-strength polypropylene base body, which provides a solid support foundation for the whole plate, and the fiber layer is tightly combined with the high-strength base body through the adhesive layer, thereby forming a reinforcing framework in the plate, further improving the overall strength of the plate, and at the same time, the synergy of the interval splicing plate, the constraint T plate and the interval protective shell can constrain and reinforce the high-strength base body from multiple directions, so that the plate can better disperse stress and resist deformation when subjected to external force, and the load-carrying capacity, durability and flame-retardant effect of the plate are significantly improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a schematic diagram of the three-dimensional assembly structure of the utility model.

[0017] Figure 2 is a schematic diagram of the exploded structure of the utility model.

[0018] Figure 3 is a schematic diagram of the exploded structure of the utility model.

[0019] Figure 4 is a schematic diagram of the transverse section structure of the utility model.

[0020] Figure 5 is a schematic diagram of the transverse section structure of the utility model. Figure 4

[0021] Figure 6 is a schematic diagram of the transverse section structure of the utility model.

[0022] In the drawing, the corresponding relationship between the component name and the drawing number is as follows:

[0023] 1, high-strength base body; 101, splicing plug; 102, constraint slot;

[0024] 2, adhesive layer; 201, fiber layer; 202, outer protective base body;

[0025] 3, interval splicing plate; 301, constraint T plate; 302, top stop block; 303, interval protective shell. DETAILED DESCRIPTION

[0026] The embodiment of the utility model will be further described in detail in combination with the drawings and examples.

[0027] Example 1: as shown in the drawings Figure 1 to the drawings Figure 6 ​The utility model provides a fire -retardant polypropylene board, include: high -strength matrix 1, the edge position equidistance of high -strength matrix 1 is fixedly connected with splicing plug 101, the outer wall of splicing plug 101 is equipped with the constraint slot 102, constraint slot 102 sets up as T shaped recess, splicing plug 101 is in alignment state when high -strength matrix 1 splicing state, constraint slot 102 is used for assisting to connect high -strength matrix 1 and handle, the surface of high -strength matrix 1 is daubed with adhesion layer 2, the fibre layer 201 is adhered in adhesion layer 2, adhesion layer 2 is connected with outer protection matrix 202, and the interval spliced board 3 is inserted between two adjacent outer protection matrix 202, the inside of interval spliced board 3 is fixedly connected with constraint T board 301, and constraint T board 301 inserts inside constraint slot 102, the outer wall of interval spliced board 3 is fixedly connected with top stopper 302, and the upper and lower sides of high -strength matrix 1 respectively card interval protection shell 303, and interval protection shell 303 card inside top stopper 302.

[0028] Example two: on the basis of example one, as attached Figure 1 to attached Figure 6As shown, the high-strength base 1 adopts a high-strength polypropylene base; the high-strength base 1 is used to assist in mounting and fixing other structures of the plate body, so as to play a protective role after the splicing is completed; the splicing plug 101 adopts a high-strength polypropylene material, and the splicing plug 101 is arranged in a rectangular block structure; the splicing plug 101 is used to splice two adjacent high-strength bases 1, so as to maintain the contact splicing of the high-strength base 1; the adhesion layer 2 is arranged as a glue layer; the adhesion layer 2 is used to assist in the adhesion splicing of the high-strength base 1 and the outer protective base 202, so as to assist in increasing the overall properties of the plate; the fiber layer 201 is used to increase the overall strength of the plate body; the fiber layer 201 is used to increase the overall properties of the plate after the adhesion of the high-strength base 1 and the outer protective base 202 is completed, so as to facilitate the protection; the outer protective base 202 adopts a low-strength polypropylene material; the outer protective base 202 is used to preliminarily protect against high temperature, so as to facilitate use; the spacing splicing plate 3 is arranged in a cuboid structure, the outer wall of the spacing splicing plate 3 is provided with a rectangular pressing plate, the upper and lower sides of the spacing splicing plate 3 are respectively provided with inclined surfaces, and the spacing splicing plate 3 is provided with two groups in total; the spacing splicing plate 3 is used to constrain the two adjacent high-strength bases 1 through the cooperation of the constraint T plate 301, so as to maintain the stability of the connection and facilitate use; the constraint T plate 301 is arranged in a T-shaped strip structure, and the constraint T plate 301 is provided with two groups in total; the constraint T plate 301 is used to maintain the stability of the connection of the two adjacent high-strength bases 1 by being inserted into the constraint clamping groove 102, so as to maintain the stability of the plate in contact splicing; the top stop block 302 is arranged in a wedge-shaped block structure, and the top stop block 302 is fixedly connected to the inclined surface of the spacing splicing plate 3; the top stop block 302 is used to constrain the edge position of the interval protective shell 303, so as to maintain stability; the interval protective shell 303 is arranged in an L-shaped long plate, the interval protective shell 303 is provided with an inclined surface, and the inclined surface of the interval protective shell 303 is in contact with the inclined surface of the spacing splicing plate 3; the interval protective shell 303 is used to constrain the transverse position of the high-strength base 1, so as to facilitate the stability of the plate splicing.

[0029] The specific use mode and effect of the embodiment are as follows:

[0030] In this invention, an adhesive layer 2 is uniformly applied to the surface of the high-strength substrate 1. The adhesive layer 2 is made of an adhesive material, and the application thickness is ensured to be uniform. Before the adhesive layer 2 is fully cured, the prepared fiber layer 201 is flatly pasted onto the adhesive layer 2 and gently pressed to ensure that the fiber layer 201 and the adhesive layer 2 are in full contact and firmly bonded. The fiber layer 201 is used to increase the overall strength of the board. After the fiber layer 201 is pasted and the adhesive layer 2 is still sticky, the outer protective substrate 202 is attached to the fiber layer 201 and gently pressed to ensure that the outer protective substrate 202 and the adhesive layer 2 are tightly connected, thus completing the bonding and splicing of the high-strength substrate 1 and the outer protective substrate 202 and enhancing the overall characteristics of the board. Two sets of spacer panels 3 are placed between two adjacent sets of outer protective substrates 202, so that the constraint T-plates 301 on the inner side of the spacer panel 3 are aligned with the constraints on the splicing plug 101. Insert the T-plate 301 into the slot 102, ensuring the insertion depth is appropriate. This method stabilizes the connection between the two adjacent high-strength substrates 1, completing the initial fixation at the splice joint. Then, check the connection between the top block 302 and the spacer plate 3 to ensure it is secure. Align the inclined surface of the spacer shell 303 with the inclined surface of the spacer plate 3, and clamp the spacer shell 303 onto the inner side of the top block 302 from the top and bottom sides of the high-strength substrate 1. The constraint of the top block 302 on the edge of the spacer shell 303 and the constraint of the spacer shell 303 on the lateral position of the high-strength substrate 1 further enhance the stability of the splice joint, completing the assembly of the entire flame-retardant polypropylene sheet. Finally, install the assembled sheet in the designated position and apply flame-retardant treatment based on the material properties of the high-strength substrate 1 and the outer protective substrate 202 to facilitate its use.

[0031] The following points should be noted in this article:

[0032] 1. The accompanying drawings of the embodiments disclosed herein only relate to the structures involved in the embodiments disclosed herein; other structures can be referred to in general design.

[0033] 2. Where there is no conflict, the embodiments of this disclosure and the features in the embodiments can be combined with each other to obtain new embodiments.

[0034] The above are merely specific embodiments of this disclosure, but the scope of protection of this disclosure is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this disclosure should be included within the scope of protection of this disclosure. Therefore, the scope of protection of this disclosure should be determined by the scope of the claims.

Claims

1. A flame-retardant polypropylene sheet comprising: High-strength base (1); it is characterized in that: The edge position of the high-strength base (1) is equidistantly fixed with a splicing plug (101); The outer wall of the splicing plug (101) is provided with a constraint slot (102); The constraint slot (102) is provided as a T-shaped groove, and the splicing plug (101) is in an aligned state when the high-strength base (1) is spliced; The surface of the high-strength base (1) is coated with a adhesion layer (2); The adhesion layer (2) is adhered with a fiber layer (201); The adhesion layer (2) is connected with an outer protective base (202); The adjacent outer protective base (202) is inserted with a spacing panel (3); The inner side of the spacing panel (3) is fixed with a constraint T plate (301), and the constraint T plate (301) is inserted into the constraint slot (102); The outer wall of the spacing panel (3) is fixed with a top stop block (302); The upper and lower sides of the high-strength base (1) are respectively clamped with an interval protective shell (303), and the interval protective shell (303) is clamped on the inner side of the top stop block (302).

2. The flame-retardant polypropylene sheet according to claim 1, characterized in that: The high-strength base (1) adopts a high-strength polypropylene base; The splicing plug (101) adopts a high-strength polypropylene material, and the splicing plug (101) is provided as a rectangular block structure.

3. The flame-retardant polypropylene sheet according to claim 1, characterized in that: The adhesion layer (2) is provided as a glue layer; The fiber layer (201) is used to increase the overall strength of the plate body; The outer protective base (202) adopts a low-strength polypropylene material.

4. The fire-retardant polypropylene board according to claim 1, characterized in that: The spacing panel (3) is provided as a cuboid structure, and the outer wall of the spacing panel (3) is provided with a rectangular pressing plate, the upper and lower sides of the spacing panel (3) are respectively provided with inclined surfaces, and the spacing panel (3) is provided with two groups.

5. The fire-retardant polypropylene board of claim 1, wherein: The constraint T plate (301) is provided as a T-shaped strip structure, and the constraint T plate (301) is provided with two groups.

6. The fire-retardant polypropylene board of claim 1, wherein: The top stop block (302) is provided as a wedge-shaped block structure, and the top stop block (302) is fixed on the inclined surface of the spacing panel (3); The interval protective shell (303) is provided as an L-shaped long plate, and the interval protective shell (303) is provided with an inclined surface, and the inclined surface of the interval protective shell (303) is in contact with the inclined surface of the spacing panel (3).

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