Low-odor EVA-Pro elastomer modified sound insulation sheet

Abstract

The low-odor EVA-Pro elastomer modified sound insulation sheet comprises a sound insulation sheet body, shockproof rubber frames are installed on the upper side and the lower side of the sound insulation sheet body, positioning holes are formed in the four corners of the shockproof rubber frames and the four corners of the sound insulation sheet body, and fixing bolts are installed in the positioning holes; the sound insulation base material layer is arranged in the sound insulation sheet body, a reinforcing layer is arranged outside the sound insulation base material layer, and reinforcing ribs are arranged on the outer wall of the reinforcing layer; and the odor removal sealing layer is arranged outside the reinforcing layer, and odor removal agent coating is arranged on the odor removal sealing layer. Compared with an existing device, the low-odor EVA-Pro elastomer modified sound insulation sheet has the advantages that extrusion molding is performed through a single-screw extruder, the physical performance of a product is stable, materials are heated and molten through a mixing process of an internal mixer, the mixing effect of the materials is improved, the material consumption of a lubricant can be reduced, and odor can be effectively emitted.

Description

Technical Field

[0001] The utility model relates to the technical field of sound insulation sheets, in particular to a low-odor EVA-Pro elastomer modified sound insulation sheet. Background Art

[0002] Sound insulation sheet is a material used to isolate or reduce sound transmission. It can take many forms, including but not limited to floor insulation, automotive sound insulation, microparticle sound absorption panels, moisture-proof mineral wool sound absorption panels, and polyester fiber sound absorption panels. Each of these materials has its own characteristics and is suitable for different sound insulation needs and environments.

[0003] Existing sound insulation sheets are generally made by high-mixing materials and then using twin-screw extrusion. The equipment investment is large, and the materials are mixed at low temperatures, the odor of the raw materials cannot be dissipated, the product has a strong odor, and the use of high-density filling materials has poor odor controllability. To this end, we propose a low-odor EVA-Pro elastomer modified sound insulation sheet. Utility Model Content

[0004] The purpose of the present utility model is to provide a low-odor EVA-Pro elastomer modified sound insulation sheet to solve the problems raised in the above background technology that the existing sound insulation sheets are generally made by high-mixing materials and then using twin-screw extrusion molding, which requires large equipment investment, and the materials are mixed at low temperature, the odor of the raw materials cannot be dissipated, the product has a strong odor, and the use of high-density filling materials has poor odor controllability.

[0005] To achieve the above objectives, the present invention provides the following technical solutions: a low-odor EVA-Pro elastomer-modified sound insulation sheet, comprising:

[0006] The sound insulation sheet body has shock-proof rubber frames installed on both the upper and lower sides of the sound insulation sheet body, and positioning holes are opened in the four corners of the shock-proof rubber frames and the sound insulation sheet body, and fixing bolts are installed in the positioning holes;

[0007] A sound insulation base material layer is provided inside the sound insulation sheet body, a reinforcement layer is provided outside the sound insulation base material layer, and a reinforcement rib is provided on the outer wall of the reinforcement layer;

[0008] The deodorizing sealing layer is arranged on the outside of the reinforcing layer, and a deodorizing coating is arranged on the deodorizing sealing layer.

[0009] Preferably, the shockproof rubber frame is symmetrically distributed about the vertical center line of the sound insulation plate body, and the shockproof rubber frame is made of silicone material.

[0010] Preferably, the positioning holes are symmetrically distributed about the center points of the sound insulation plate body and the shockproof rubber frame, and the shockproof rubber frame is relatively fixed to the sound insulation plate body through fixing bolts and the positioning holes.

[0011] Preferably, the reinforcement layer and the sound insulation base material layer form an enclosing structure, and the reinforcement ribs are evenly distributed along the reinforcement layer.

[0012] Preferably, the deodorizing sealing layer and the reinforcing layer form an enclosing structure, and the deodorizing coating is evenly distributed along the deodorizing sealing layer.

[0013] Preferably, the sound insulation sheet body is further provided with:

[0014] The raised lines are arranged on the outer wall of the sound insulation plate body and are evenly distributed among the raised lines.

[0015] Compared with the prior art, the present invention provides a low-odor EVA-Pro elastomer modified sound insulation sheet, which has the following beneficial effects:

[0016] The utility model is extruded and formed by a single-screw extruder, and the physical properties of the product are stable. The material is heated and melted through the mixing process of the internal mixer, so that the material mixing effect is improved, the material used for the lubricant can be reduced, and the odor can be effectively dissipated, thereby avoiding the problems of the existing sound insulation sheet generally being formed by high-mixing the materials and then using a twin-screw extruder, which requires a large equipment investment, and the materials are mixed at a low temperature, the odor of the raw materials cannot be dissipated, the product has a strong odor, and the odor controllability of the high-density filling material is poor. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a structural diagram of the sound insulation sheet body and the shockproof rubber frame of the utility model;

[0019] Figure 3 This is a schematic diagram of the internal structure of the sound insulation sheet body of the utility model;

[0020] Figure 4 This is a schematic diagram of the internal structure of the reinforcement layer of the present invention.

[0021] In the figure: 1. Sound insulation sheet body; 2. Shockproof rubber frame; 3. Fixing bolts; 4. Positioning holes; 5. Raised lines; 6. Sound insulation base material layer; 7. Reinforcement layer; 8. Reinforcement ribs; 9. Deodorizing seal layer; 10. Deodorizing paint. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] See also Figure 1-3 , a low-odor EVA-Pro elastomer modified sound insulation sheet, comprising: a sound insulation sheet body 1, shockproof rubber frames 2 are installed on the upper and lower sides of the sound insulation sheet body 1, and positioning holes 4 are opened in the four corners of the shockproof rubber frames 2 and the sound insulation sheet body 1, the shockproof rubber frames 2 are symmetrically distributed about the vertical center line of the sound insulation sheet body 1, and the shockproof rubber frames 2 are made of silicone; the shockproof rubber frames 2 can protect both ends of the sound insulation sheet body 1, and can also avoid direct contact between the sound insulation sheet body 1 and the contact surface, thereby reducing the noise generated during vibration, and at the same time can also protect the sound insulation sheet body 1; positioning holes 4 are opened in the four corners of the shockproof rubber frames 2 and the sound insulation sheet body 1, and the shockproof rubber frames 2 are symmetrically distributed about the vertical center line of the sound insulation sheet body 1, and the shockproof rubber frames 2 are made of silicone; the shockproof rubber frames 2 can protect the two ends of the sound insulation sheet body 1, and can also avoid direct contact between the sound insulation sheet body 1 and the contact surface, thereby reducing the noise generated during vibration, and at the same time can also protect the sound insulation sheet body 1; positioning holes 4 are opened in the four corners of the shockproof rubber frames 2 and the sound insulation sheet body 1; positioning holes 4 are opened in the four corners of the shockproof rubber frames 2 and the sound insulation sheet body A fixing bolt 3 is installed in the positioning hole 4; the positioning holes 4 are symmetrically distributed about the center points of the sound insulation plate body 1 and the shock-proof rubber frame 2, and the shock-proof rubber frame 2 is relatively fixed to the sound insulation plate body 1 through the fixing bolt 3 and the positioning hole 4; the positioning hole 4 can facilitate the installation of the fixing bolt 3, so that the sound insulation plate body 1 and the shock-proof rubber frame 2 can be relatively fixed by the fixing bolt 3; the raised lines 5 are arranged on the outer wall of the sound insulation plate body 1, and the raised lines 5 are evenly distributed; the raised lines 5 can make the outer wall of the sound insulation plate body 1 appear uneven, thereby improving the wear resistance of the sheet.

[0024] See also Figure 1 、 3 And 4, a low-odor EVA-Pro elastomer modified sound insulation sheet, comprising: a sound insulation base material layer 6, which is arranged inside the sound insulation sheet body 1, a reinforcement layer 7 is arranged outside the sound insulation base material layer 6, and the outer wall of the reinforcement layer 7 is provided with reinforcement ribs 8; a surrounding structure is formed between the reinforcement layer 7 and the sound insulation base material layer 6, and the reinforcement ribs 8 are evenly distributed along the reinforcement layer 7; the reinforcement ribs 8 in the reinforcement layer 7 can improve the integrity of the sound insulation base material layer 6, thereby increasing the strength and durability of the sheet; a deodorizing seal layer 9, which is arranged outside the reinforcement layer 7, and a deodorizing coating 10 is provided on the deodorizing seal layer 9; a surrounding structure is formed between the deodorizing seal layer 9 and the reinforcement layer 7, and the deodorizing coating 10 is evenly distributed along the deodorizing seal layer 9; the deodorizing coating 10 provided on the deodorizing seal layer 9 can adsorb odors, thereby effectively dissipating the odor.

[0025] Working principle: When using the low-odor EVA-Pro elastomer modified sound insulation sheet, first, the material is heated and melted by the internal mixer mixing process, the material mixing effect is improved, and the use of lubricants can be reduced. The product is extruded by a single-screw extruder, which improves the physical stability of the product. After the surface is corona treated, it is cooled and shaped by three rollers. Secondly, the fixing bolts 3 are installed through the positioning holes 4, and the sound insulation sheet body 1 and the shockproof rubber frame 2 can be relatively fixed by the fixing bolts 3. The shockproof rubber frame 2 can protect both ends of the sound insulation sheet body 1, and can also avoid the sound insulation sheet body 1 is in direct contact with the contact surface, thereby reducing the noise generated during the vibration process, and at the same time also having a protective effect on the sound insulation sheet body 1; then the raised patterns 5 can make the outer wall of the sound insulation sheet body 1 appear uneven, thereby improving the wear resistance of the sheet; the reinforcing ribs 8 in the reinforcing layer 7 can improve the integrity of the sound insulation base material layer 6, thereby increasing the strength and durability of the sheet; finally, the deodorant coating 10 provided on the deodorizing seal layer 9 can absorb odors, thereby effectively dissipating the odor. This is the working principle of the low-odor EVA-Pro elastomer modified sound insulation sheet.

[0026] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A low-odor EVA-Pro elastomer modified sound insulation sheet, characterized in that: include: A sound insulation plate body (1), wherein shockproof rubber frames (2) are installed on both upper and lower sides of the sound insulation plate body (1), and positioning holes (4) are opened at four corners of the shockproof rubber frame (2) and the sound insulation plate body (1), and fixing bolts (3) are installed in the positioning holes (4); A sound insulation base material layer (6) is arranged inside the sound insulation sheet body (1); a reinforcement layer (7) is arranged outside the sound insulation base material layer (6); and a reinforcement rib (8) is arranged on the outer wall of the reinforcement layer (7); A deodorizing seal layer (9) is arranged outside the reinforcing layer (7), and a deodorizing coating (10) is arranged on the deodorizing seal layer (9).

2. The low-odor EVA-Pro elastomer modified sound insulation sheet according to claim 1, characterized in that: The shockproof rubber frame (2) is symmetrically distributed about the vertical center line of the sound insulation plate body (1), and the shockproof rubber frame (2) is made of silica gel.

3. The low-odor EVA-Pro elastomer modified sound insulation sheet according to claim 1, characterized in that: The positioning holes (4) are symmetrically distributed about the center points of the sound insulation plate body (1) and the shockproof rubber frame (2), and the shockproof rubber frame (2) is relatively fixed to the sound insulation plate body (1) through the fixing bolts (3) and the positioning holes (4).

4. The low-odor EVA-Pro elastomer modified sound insulation sheet according to claim 1, characterized in that: The reinforcing layer (7) and the sound insulation base material layer (6) form an enclosing structure, and the reinforcing ribs (8) are evenly distributed along the reinforcing layer (7).

5. The low-odor EVA-Pro elastomer modified sound insulation sheet according to claim 1, characterized in that: The deodorizing sealing layer (9) and the reinforcing layer (7) form an enclosing structure, and the deodorizing coating (10) is evenly distributed along the deodorizing sealing layer (9).

6. The low-odor EVA-Pro elastomer modified sound insulation sheet according to claim 1, characterized in that: The sound insulation sheet body (1) is further provided with: Raised lines (5) are arranged on the outer wall of the sound insulation plate body (1), and the raised lines (5) are evenly distributed.

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