Sandstone sound-absorbing decorative soft board and preparation method thereof

Abstract

The present application belongs to the field of sound-absorbing decorative plates, in particular to a sandstone sound-absorbing decorative soft plate and a preparation method thereof. The existing sandstone sound-absorbing plate cannot be used for arc-shaped decoration, and the preparation process of the sandstone sound-absorbing plate is complex. The present application proposes the following scheme, which comprises a sandstone sound-absorbing decorative soft plate body composed of aggregate particles, gel solvent and anti-cracking fibers. The aggregate particles are selected from one or a combination of machine-made sand, vitrified microbeads, quartz sand and synthetic colored sand. In the present application, the cloth box is driven to move horizontally by the screw rod and the threaded block, so that the slurry can be uniformly distributed in the mold box, improving the uniformity and consistency of the product. The pressure vibration plate is driven to move downward and vibrate by the eccentric plate, which can flatten the slurry and eliminate air bubbles and voids under the action of vibration, ensuring the flatness and quality of the product. The sandstone sound-absorbing decorative soft plate body can be bent and installed in an arc shape, meeting the needs of different application scenarios.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of sound-absorbing decorative panels, and in particular to a sandstone sound-absorbing decorative soft panel and a preparation method thereof. BACKGROUND

[0002] Sound-absorbing panels are needed in the fields of sound absorption and noise reduction in civil building decoration, industrial noise control and transportation. The sound absorption principle is that the incident sound is absorbed by the pores of the panel itself. The sound absorption method can be divided into two categories: porous sound-absorbing materials and resonant sound-absorbing structures. A sandstone sound-absorbing decorative soft panel belongs to a porous sound-absorbing panel, and has many interconnected micropores inside. When sound waves are incident, the sound waves are absorbed by the micropores of the panel itself, friction and resistance are generated in the pores, and sound energy is absorbed.

[0003] The sandstone sound-absorbing panels currently used on the market can only be used for flat decorative surfaces due to the rigid characteristics of the product, and cannot be used for arc-shaped decoration. In recent years, there has been an increasing demand for smooth arc-shaped decoration in the decoration market. In addition, the preparation process of the sandstone sound-absorbing panel is complex and tedious. SUMMARY

[0004] The purpose of the present application is to solve the problem of the sandstone sound-absorbing panel in the prior art, which can only be used for flat decorative surfaces due to the rigid characteristics of the product, and cannot be used for arc-shaped decoration. In recent years, there has been an increasing demand for smooth arc-shaped decoration in the decoration market. In addition, the preparation process of the sandstone sound-absorbing panel is complex and tedious. To solve the above-mentioned problems, a sandstone sound-absorbing decorative soft panel and a preparation method thereof are provided.

[0005] To achieve the above-mentioned purpose, the present application adopts the following technical solutions:

[0006] A sandstone sound-absorbing decorative soft panel comprises a sandstone sound-absorbing decorative soft panel body, which is composed of aggregate particles, gel solvent and anti-cracking fibers. The aggregate particles are selected from one or more combinations of machine-made sand, vitrified microbeads, quartz sand and synthetic colored sand. The diameter of the aggregate particles is 0.2-3mm. The weight ratio of the aggregate particles, gel solvent and anti-cracking fibers is 1:0.15:0.005. The gel solvent is one of carbamate, polyisocyanate or polyurethane resin.

[0007] In a possible design, the sandstone sound-absorbing decorative soft panel further comprises a concrete cylinder and a plurality of steel rod assemblies. The plurality of steel rod assemblies are arranged in a ring shape on the outer wall of the concrete cylinder. The sandstone sound-absorbing decorative soft panel body is installed at one end of the steel rod assembly. The outer wall of the sandstone sound-absorbing decorative soft panel body is provided with a clamping plate. The clamping plate is connected to the sandstone sound-absorbing decorative soft panel body through drywall screws. The drywall screws are one of bendable steel furring or fire-retardant wood cladding.

[0008] A preparation method of a sandstone sound-absorbing decorative soft board, for preparing the sandstone sound-absorbing decorative soft board, comprising the following steps:

[0009] S1, first, respectively, the aggregate particles and gel solvent are weighed, the gel solvent is stirred uniformly, then the aggregate particles are added and stirred uniformly to form a mixture;

[0010] S2, then the mixture is arranged in a mold through a feeding hopper, and after being compacted by a pressing and vibrating device, the mixture is placed in a constant room environment with a temperature of 60°C and a humidity of 90% for 8 hours for curing and forming to obtain the decorative sound-absorbing soft board.

[0011] In a possible design, the feeding hopper in the step S2 comprises a main frame body, an extension frame fixedly connected to one side of the main frame body, a feeding box slidingly connected to the inside of the main frame body, and a slurry placed in the inside of the feeding box, wherein a mixing assembly for mixing the slurry is arranged in the inside of the feeding box;

[0012] A connecting rod is fixedly connected to one side of the bottom of the feeding box, and a flattening assembly for flattening the slurry is arranged at the bottom of the connecting rod;

[0013] A supporting assembly for supporting the mold box is arranged on the inner wall of the bottom of the main frame body;

[0014] An opening is arranged at the bottom of the feeding box, and a plugging assembly for plugging the opening is arranged on one side of the feeding box.

[0015] In a possible design, the mixing assembly comprises a third rotating shaft and two second rotating shafts rotatingly connected between the inner walls on both sides of the feeding box, a plurality of blades are arranged on the outer wall of the third rotating shaft and matched with the opening, a plurality of stirring blades are arranged on the outer wall of the second rotating shaft, one end of each of the second rotating shaft and the third rotating shaft rotatingly penetrates the feeding box and is fixedly connected with the first rotating shaft, a second servo motor is fixedly connected to one side of the feeding box, the second servo motor is fixedly connected to one end of one of the second rotating shafts, a synchronous wheel is fixedly sleeved on the outer wall of the first rotating shaft, the outer walls of the three synchronous wheels are drivingly sleeved with the same synchronous belt, and one end of the first rotating shaft located below is fixedly connected with an eccentric plate.

[0016] In a possible design, the flattening assembly comprises a fixed plate fixedly connected to the bottom of the connecting rod, two fixed rods symmetrically arranged and slidingly penetrating the inside of the fixed plate, the same pressing and vibrating plate is fixedly connected to the bottom of each of the two fixed rods and sleeved on the outside of the fixed plate, a limiting block is fixedly connected to the top of each of the fixed rods, the same spring is fixedly connected between the bottom of the limiting block and the top of the fixed plate and sleeved on the outside of the fixed rod, a side block is fixedly connected to one side of the pressing and vibrating plate and used in cooperation with the eccentric plate.

[0017] In one possible design, the supporting assembly includes an electric push rod fixedly connected to the inner wall of the bottom of the main frame body, a supporting push plate fixedly connected to the piston rod of the electric push rod, the supporting push plate located below the mold box, first sliding grooves formed in the inner walls of the two sides of the main frame body, second sliding grooves formed in the top inner walls of the first sliding grooves and in communication with the first sliding grooves, two sliding blocks symmetrically arranged and fixedly connected to the two sides of the mold box, the sliding blocks in sliding connection with the first sliding grooves and the second sliding grooves, and a triangular block fixedly connected to one side of the top of the mold box.

[0018] In one possible design, the plugging assembly includes a first horizontal groove, a vertical groove and a second horizontal groove formed in one side of the cloth box, the first horizontal groove and the second horizontal groove arranged in parallel, the first horizontal groove located directly above the second horizontal groove, the vertical groove located at one end of the first horizontal groove and the second horizontal groove and in communication with the first horizontal groove and the second horizontal groove, a same rectangular cavity in communication formed in one side of the first horizontal groove, the vertical groove and the second horizontal groove, a first rectangular block slidingly connected to the inside of the first horizontal groove, a sleeve fixedly connected to the bottom of the first rectangular block, an inner rod slidingly penetrating through the bottom of the sleeve, a same tension spring fixedly connected between the top of the inner rod and the top inner wall of the sleeve, a second rectangular hole fixedly connected to one end of the inner rod, the second rectangular hole slidingly connected to the inside of the second horizontal groove and the vertical groove, an L-shaped sealing plate fixedly connected to one end of the second rectangular hole, the L-shaped sealing plate used for plugging the opening, an extension plate fixedly connected to one side of the bottom of the L-shaped sealing plate, and the extension plate used in cooperation with the triangular block.

[0019] In one possible design, third sliding grooves are formed in the inner walls of the two sides of the main frame body and the extension frame, screw blocks slidingly connected to the inside of the third sliding grooves, the two screw blocks fixedly connected to the two sides of the cloth box at the sides close to each other, a same lead screw rotatably connected between the inner walls of the two sides of one of the third sliding grooves, the lead screw screw-penetration through the corresponding screw blocks, a first servo motor fixedly connected to one side of the extension frame, and the output shaft of the first servo motor fixedly connected to one end of the lead screw.

[0020] In the application, the aggregate particles and the gel solvent are respectively taken and put into the inside of the cloth box, the gel solvent is stirred uniformly, the aggregate particles are added and stirred uniformly to form a mixture, the second servo motor is started, the output shaft of the second servo motor drives the second rotating shaft and the third rotating shaft to rotate through the synchronous belt and the synchronous wheel, the third rotating shaft drives the blades to rotate, and the second rotating shaft drives the stirring blades to rotate, so that the slurry mixing can be ensured to be complete.

[0021] After the mixing is completed, the mold box can be first pushed horizontally into the inside of the main frame body, the sliding block moves in the inside of the first sliding groove, the mold box falls on the top of the supporting push plate, the electric push rod is started, the piston rod of the electric push rod lifts the supporting push plate, at this time the sliding block enters the inside of the second sliding groove, the mold box is lifted upwards and moves to the below of the cloth box, at the same time the triangular block pushes the extension plate to move horizontally;

[0022] At this time the extension plate drives the L-shaped sealing plate to move horizontally, the L-shaped sealing plate drives the tension spring to move horizontally, the tension spring drives the first rectangular block to move horizontally through the sleeve and the inner rod, at this time the first rectangular block moves horizontally in the inside of the first horizontal groove, the second rectangular hole moves horizontally in the inside of the second horizontal groove, until the first rectangular block and the second rectangular hole are both moved to the inside of the vertical groove, at this time the second rectangular hole and the inner rod move vertically upwards under the tension of the tension spring, and then the L-shaped sealing plate moves horizontally first and no longer blocks the opening, and then moves vertically upwards, avoiding the L-shaped sealing plate to reset, and ensuring the smoothness of the discharging process.

[0023] Due to the continuous rotation of the blades, the material falls evenly through the opening into the inside of the mold box, at the same time the third rotating shaft drives the eccentric plate to rotate when rotating, the eccentric plate will constantly push the side block, the side block drives the pressure vibration plate to move downwards, the pressure vibration plate drives the fixed rod to move downwards, the fixed rod drives the limiting block to move downwards and extrude the spring, at this time the pressure vibration plate can flatten the slurry and constantly vibrate under the elastic force of the spring, ensuring that the slurry can be laid flat in the inside of the mold box.

[0024] At the same time, the first servo motor is started, the output shaft of the first servo motor drives the screw rod to rotate, the screw rod drives the threaded block to move horizontally, the threaded block drives the cloth box to move horizontally, so that the cloth is uniform, after the cloth is finished, the mold box is moved downwards and taken out, and placed in a constant room environment with a temperature of 60°C and a humidity of 90% for 8 hours to be cured and formed into a sandstone sound-absorbing decorative soft plate body, and after demolding, it is naturally cured at room temperature for 2 days to reach the target strength.

[0025] When installing the sandstone sound-absorbing decorative soft plate body, the clamping plate is fixed on the concrete cylinder with the steel code assembly, and the sandstone sound-absorbing decorative soft plate body is locked on the clamping plate with drywall screws, and is applied to arc-shaped ceiling decoration, arc-shaped wall body decoration, and cylindrical arc-shaped decoration, which can be flexibly installed and has sound-absorbing function to meet market needs.

[0026] Beneficial effects: efficient mixing and uniform cloth distribution

[0027] The second servo motor drives the stirring system (including the blade and the stirring blade) to ensure that the gel solvent and the aggregate particles can be fully mixed to form a uniform mixture, improving the uniformity and quality of the slurry.

[0028] The cloth box moves horizontally through the drive of the lead screw and threaded block, allowing the slurry to be evenly distributed in the mold box, further improving the uniformity and consistency of the product.

[0029] Automatic control and convenient operation:

[0030] The entire mixing, distribution and curing process is highly automated, reducing manual intervention and improving production efficiency.

[0031] The lifting and horizontal pushing of the mold box are achieved through the electric push rod and sliding block sliding groove system, making operation simple and fast.

[0032] Innovative sealing and discharging mechanism:

[0033] The sealing system composed of L-shaped sealing plate and tension spring ensures smooth opening and closing of the opening during the distribution process, avoiding leakage and waste of slurry, while ensuring the smoothness of the discharging process.

[0034] The horizontal and vertical movement of the sealing plate ensures the sealing effect and avoids interference during resetting.

[0035] Pressure vibration leveling and high-quality molding:

[0036] The pressure vibration plate is driven by eccentric plate and side block to move downward and vibrate, flattening the slurry and eliminating air bubbles and voids under the action of vibration, ensuring the flatness and quality of the product.

[0037] Curing and molding in a constant room environment and natural curing at room temperature ensure that the sandstone acoustic decorative soft plate body reaches the target strength.

[0038] Widely applicable fields and flexibility:

[0039] The sandstone acoustic decorative soft plate body can be installed in a curved arc shape, suitable for arc ceiling decoration, arc wall decoration and arc decoration of cylindrical columns, meeting the needs of different application scenarios.

[0040] Through the fixing method of steel gauge assembly and drywall screws, the installation is simple and firm, improving the convenience and reliability of installation.

[0041] Market adaptability and sound absorption function:

[0042] The product has sound absorption function, meeting the market demand for sound absorbing materials.

[0043] Flexible installation method and wide application field make the product better adapt to market demand and improve market competitiveness. BRIEF DESCRIPTION OF DRAWINGS

[0044] Figure 1A three-dimensional structure schematic view of the cloth box and the main frame body in a preparation method of a sandstone sound-absorbing decorative soft plate according to the present application is provided;

[0045] Figure 2 A three-dimensional structure schematic view of the cloth box and the main frame body in a preparation method of a sandstone sound-absorbing decorative soft plate according to the present application is provided;

[0046] Figure 3 A three-dimensional structure schematic view of the cloth box and the main frame body in a preparation method of a sandstone sound-absorbing decorative soft plate according to the present application is provided;

[0047] Figure 4 A three-dimensional structure schematic view of the cloth box and the main frame body in a preparation method of a sandstone sound-absorbing decorative soft plate according to the present application is provided;

[0048] Figure 5 A three-dimensional structure schematic view of the cloth box and the main frame body in a preparation method of a sandstone sound-absorbing decorative soft plate according to the present application is provided;

[0049] Figure 6 A three-dimensional structure schematic view of the cloth box and the main frame body in a preparation method of a sandstone sound-absorbing decorative soft plate according to the present application is provided;

[0050] Figure 7 A three-dimensional structure schematic view of the cloth box and the main frame body in a preparation method of a sandstone sound-absorbing decorative soft plate according to the present application is provided;

[0051] Figure 8 A three-dimensional structure schematic view of the cloth box and the main frame body in a preparation method of a sandstone sound-absorbing decorative soft plate according to the present application is provided;

[0052] Figure 9 A three-dimensional structure schematic view of the cloth box and the main frame body in a preparation method of a sandstone sound-absorbing decorative soft plate according to the present application is provided;

[0053] In the figure: 11, mold box; 12, slurry; 13, electric push rod; 14, support push plate; 15, sliding block; 16, triangular block; 17, first sliding groove; 18, second sliding groove; 21, clamping plate; 22, sandstone sound-absorbing decorative soft plate body; 23, drywall screw; 24, steel code assembly; 25, concrete cylinder; 31, main frame body; 32, extension frame; 33, first servo motor; 34, third sliding groove; 35, screw rod; 36, threaded block; 41, vibration plate; 42, side block; 43, limiting block; 44, spring; 45, fixed rod; 46, fixed plate; 47, connecting rod; 50, third rotating shaft; 51, cloth box; 52, first rotating shaft; 53, synchronous belt; 54, synchronous wheel; 55, eccentric plate; 56, second servo motor; 57, stirring blade; 58, second rotating shaft; 59, blade; 61, rectangular cavity; 62, first horizontal groove; 63, vertical groove; 64, second horizontal groove; 65, first rectangular block; 66, tension spring; 67, second rectangular hole; 68, extension plate; 69, inner rod; 70, sleeve; 71, L-shaped sealing plate. DETAILED DESCRIPTION

[0054] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application.

[0055] Embodiment 1; refer to Figures 1-9 A sandstone sound-absorbing decorative soft plate is applied in the field of sound-absorbing decorative plates, comprising: a sandstone sound-absorbing decorative soft plate body 22, the sandstone sound-absorbing decorative soft plate body 22 is composed of aggregate particles, gel solvent and anti-cracking fiber, the aggregate particles are selected from one or more combinations of machine-made sand, vitrified microbeads, quartz sand and synthetic colored sand, the diameter of the aggregate particles is 0.5 mm, the weight ratio of the aggregate particles, the gel solvent and the anti-cracking fiber is 1:0.15:0.005, the gel solvent is one of carbamate, polyisocyanate or polyurethane resin, and the sandstone sound-absorbing decorative soft plate body 22 is installed at one end of a steel code assembly 24, the outer wall of the sandstone sound-absorbing decorative soft plate body 22 is provided with a clamping plate 21, the clamping plate 21 is connected with the sandstone sound-absorbing decorative soft plate body 22 through a drywall screw 23, the drywall screw 23 is one of bendable steel furring or fire-retardant wood clamping plate, when the sandstone sound-absorbing decorative soft plate body 22 is installed, the clamping plate 21 is fixed on the concrete cylinder 25 through the steel code assembly 24, and the sandstone sound-absorbing decorative soft plate body 22 is locked on the clamping plate 21 through the drywall screw 23, the sandstone sound-absorbing decorative soft plate body 22 is applied to arc-shaped ceiling decoration, arc-shaped wall body decoration, cylindrical arc-shaped decoration and the like, and can be flexibly installed and has sound-absorbing function, thereby meeting market needs.

[0056] A preparation method of a sandstone sound-absorbing decorative soft board, for preparing the sandstone sound-absorbing decorative soft board, comprising the following steps:

[0057] S1, first, respectively, take the aggregate particles and the gel solvent, after stirring the gel solvent uniformly, add the aggregate particles in the stirring uniformly to form the mixed material;

[0058] S2, then through the cloth hopper is arranged in the mold: through the pressure vibration device compacts after the vibration, places in the constant room environment under the temperature 60°C humidity 90% 8 hours solidification forming gets the decorative sound-absorbing soft board.

[0059] The cloth hopper in step S2 includes a main frame body 31 and a mold box 11, one side of the main frame body 31 is fixedly connected with an extension frame 32, the inside of the main frame body 31 is slidably connected with a cloth box 51, the inside of the cloth box 51 is placed with slurry 12, the inside of the cloth box 51 is provided with a mixing assembly for mixing the slurry 12, the mixing assembly includes a third rotating shaft 50 rotatably connected between the inner walls of both sides of the cloth box 51 and two second rotating shafts 58, the outer wall of the third rotating shaft 50 is provided with a plurality of blades 59, the blades 59 are matched with the opening, the outer wall of the second rotating shaft 58 is provided with a plurality of stirring blades 57, one end of the second rotating shaft 58 and the third rotating shaft 50 is rotatably penetrated through the cloth box 51 and fixedly connected with a first rotating shaft 52, one side of the cloth box 51 is fixedly connected with a second servo motor 56, the second servo motor 56 is fixedly connected with one end of one of the second rotating shafts 58, the outer wall of the first rotating shaft 52 is fixedly sleeved with a synchronous wheel 54, the outer wall of the three synchronous wheels 54 is drivingly sleeved with a same synchronous belt 53, one end of the first rotating shaft 52 located below is fixedly connected with an eccentric plate 55, respectively, take the aggregate particles and the gel solvent into the inside of the cloth box 51, after stirring the gel solvent uniformly, add the aggregate particles in the stirring uniformly to form the mixed material, start the second servo motor 56, the output shaft of the second servo motor 56 drives the second rotating shaft 58 and the third rotating shaft 50 to rotate through the synchronous belt 53 and the synchronous wheel 54, the third rotating shaft 50 drives the blade 59 to rotate, the second rotating shaft 58 drives the stirring blade 57 to rotate, which can ensure that the slurry 12 is mixed completely;

[0060] The bottom side of the cloth box 51 is fixedly connected with a connecting rod 47, and the bottom of the connecting rod 47 is provided with a flattening assembly for flattening the slurry 12. The flattening assembly comprises a fixed plate 46 fixedly connected to the bottom of the connecting rod 47. The inside of the fixed plate 46 is slidably penetrated by two fixed rods 45 arranged symmetrically. The bottom of each fixed rod 45 is fixedly connected with the same pressure vibration plate 41. The pressure vibration plate 41 is sleeved outside the fixed plate 46. The top of each fixed rod 45 is fixedly connected with a limiting block 43. The bottom of each limiting block 43 is fixedly connected with the same spring 44 between the top of the fixed plate 46. The spring 44 is sleeved outside the fixed rod 45. One side of the pressure vibration plate 41 is fixedly connected with a side block 42, which is used in cooperation with the eccentric plate 55. Due to the continuous rotation of the blade 59, the material falls uniformly through the opening into the inside of the mold box 11. At the same time, the third rotating shaft 50 drives the eccentric plate 55 to rotate when rotating. The eccentric plate 55 will constantly push the side block 42, which drives the pressure vibration plate 41 to move downward. The pressure vibration plate 41 drives the fixed rod 45 to move downward, which drives the limiting block 43 to move downward and press the spring 44. At this time, the pressure vibration plate 41 can flatten the slurry 12 and constantly vibrate under the elastic force of the spring 44, so as to ensure that the slurry 12 can be laid flat in the inside of the mold box 11.

[0061] The bottom inner wall of the main frame body 31 is provided with a supporting assembly for supporting the mold box 11. The supporting assembly comprises an electric push rod 13 fixedly connected to the bottom inner wall of the main frame body 31. The piston rod of the electric push rod 13 is fixedly connected with a supporting push plate 14, which is located below the mold box 11. The two side inner walls of the main frame body 31 are each provided with a first sliding groove 17. The top inner wall of the first sliding groove 17 is provided with a second sliding groove 18 in communication. The two sides of the mold box 11 are each fixedly connected with two symmetrically arranged sliding blocks 15, which are slidably connected with the first sliding groove 17 and the second sliding groove 18. The top side of the mold box 11 is fixedly connected with a triangular block 16. After mixing is completed, the mold box 11 can be first pushed horizontally into the inside of the main frame body 31. The sliding block 15 moves in the first sliding groove 17. The mold box 11 falls on the top of the supporting push plate 14. The electric push rod 13 is started. The piston rod of the electric push rod 13 lifts the supporting push plate 14. At this time, the sliding block 15 enters the inside of the second sliding groove 18. The mold box 11 is lifted upward and moves to the below of the cloth box 51. At the same time, the triangular block 16 pushes the extension plate 68 to move horizontally.

[0062] The bottom of the cloth box 51 is provided with an opening, one side of the cloth box 51 is provided with a blocking assembly for blocking the opening, the blocking assembly comprises a first horizontal groove 62, a vertical groove 63 and a second horizontal groove 64 opened in one side of the cloth box 51, the first horizontal groove 62 and the second horizontal groove 64 are arranged in parallel, the first horizontal groove 62 is located directly above the second horizontal groove 64, the vertical groove 63 is located at one end of the first horizontal groove 62 and the second horizontal groove 64 and is in communication with the first horizontal groove 62 and the second horizontal groove 64, a same rectangular cavity 61 in communication is formed in one side of the first horizontal groove 62, the vertical groove 63 and the second horizontal groove 64, a first rectangular block 65 is slidably connected in the first horizontal groove 62, a sleeve 70 is fixedly connected to the bottom of the first rectangular block 65, an inner rod 69 slidably penetrates the bottom of the sleeve 70, a same tension spring 66 is fixedly connected between the top of the inner rod 69 and the inner wall of the top of the sleeve 70, a second rectangular hole 67 is fixedly connected to the bottom of the inner rod 69 and is slidably connected in the second horizontal groove 64 and the vertical groove 63, an L-shaped sealing plate 71 is fixedly connected to one end of the second rectangular hole 67, the L-shaped sealing plate 71 is used for blocking the opening, an extension plate 68 is fixedly connected to one side of the bottom of the L-shaped sealing plate 71, the extension plate 68 is used in cooperation with the triangular block 16, at this time the extension plate 68 drives the L-shaped sealing plate 71 to move horizontally, the L-shaped sealing plate 71 drives the tension spring 66 to move horizontally, the tension spring 66 drives the first rectangular block 65 to move horizontally through the sleeve 70 and the inner rod 69, at this time the first rectangular block 65 moves horizontally in the first horizontal groove 62, the second rectangular hole 67 moves horizontally in the second horizontal groove 64, until the first rectangular block 65 and the second rectangular hole 67 move to the inside of the vertical groove 63, at this time the second rectangular hole 67 and the inner rod 69 move vertically upward under the action of the tension of the tension spring 66, then the L-shaped sealing plate 71 moves vertically upward after no longer blocking the opening by moving horizontally, avoiding the L-shaped sealing plate 71 resetting, ensuring the smoothness of the discharging process.

[0063] Example 2; reference Figures 1-9On the basis of embodiment 1, improvement: the two sides of the inner wall of the main frame body 31 and the extension frame 32 are provided with third sliding grooves 34, the inside of the third sliding grooves 34 is slidably connected with threaded blocks 36, the side of the two threaded blocks 36 close to each other is fixedly connected to the two sides of the cloth box 51, the same screw rod 35 is rotatably connected between the two sides of one of the third sliding grooves 34, the screw rod 35 is screwed through the corresponding threaded block 36, one side of the extension frame 32 is fixedly connected with the first servo motor 33, the output shaft of the first servo motor 33 is fixedly connected with one end of the screw rod 35, at the same time, the first servo motor 33 is started, the output shaft of the first servo motor 33 drives the screw rod 35 to rotate, the screw rod 35 drives the threaded block 36 to move horizontally, the threaded block 36 drives the cloth box 51 to move horizontally, so that the cloth is uniform, after the cloth is completed, the mold box 11 is moved downward, taken out and placed in a constant room environment with temperature 60°C and humidity 90% for 8 hours to obtain the sandstone sound-absorbing decorative soft plate body 22, after demolding, the natural curing is carried out at room temperature for 2 days to reach the target strength.

[0064] However, as is well known to those skilled in the art, the working principle and wiring method of the second servo motor 56, the electric push rod 13 and the first servo motor 33 are common, which all belong to conventional means or common general knowledge, and will not be repeated here, and those skilled in the art can make any selection or arrangement according to their needs or convenience.

[0065] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A method of making a sandstone acoustical decorative flexible panel, characterized in that, The method comprises the following steps: S1, first, respectively take the aggregate particles and the gel solvent, after stirring the gel solvent uniformly, add the aggregate particles to stir uniformly to form the mixture; S2, then through the distribution hopper is arranged in the mold: through the pressure vibration device compacts after vibration, places in the constant room environment under the temperature 60°C humidity 90% 8 hours solidification forming gets the decorative sound absorption soft board, the distribution hopper in the step S2 includes main frame body (31) and mold box (11), one side of the main frame body (31) is fixedly connected with extension frame (32), the inside of the main frame body (31) is slidably connected with distribution box (51), the inside of the distribution box (51) is placed with slurry (12), the inside of the distribution box (51) is provided with mixing assembly for mixing slurry (12); The bottom of the distribution box (51) is fixedly connected with connecting rod (47), the bottom of the connecting rod (47) is provided with a flattening assembly for flattening the slurry (12), the flattening assembly includes a fixed plate (46) fixedly connected to the bottom of the connecting rod (47), two fixed rods (45) symmetrically arranged are slidably penetrated into the inside of the fixed plate (46), the bottom of the two fixed rods (45) is fixedly connected with the same pressure vibration plate (41), the pressure vibration plate (41) is sleeved outside the fixed plate (46), the top of the fixed rod (45) is fixedly connected with a limit block (43), the bottom of the limit block (43) and the top of the fixed plate (46) are fixedly connected with the same spring (44), the spring (44) is sleeved outside the fixed rod (45), one side of the pressure vibration plate (41) is fixedly connected with a side block (42), the side block (42) is used in cooperation with the eccentric plate (55); The bottom inner wall of the main frame body (31) is provided with a supporting assembly for supporting the mold box (11); The bottom of the cloth box (51) is provided with an opening, one side of the cloth box (51) is provided with a blocking assembly for blocking the opening, the blocking assembly comprises a first horizontal groove (62), a vertical groove (63) and a second horizontal groove (64) opened in one side of the cloth box (51), the first horizontal groove (62) and the second horizontal groove (64) are arranged in parallel, the first horizontal groove (62) is located directly above the second horizontal groove (64), the vertical groove (63) is located at one end of the first horizontal groove (62) and the second horizontal groove (64) and is in communication with the first horizontal groove (62) and the second horizontal groove (64), a same rectangular cavity (61) in communication is formed in one side of the first horizontal groove (62), the vertical groove (63) and the second horizontal groove (64), the first horizontal groove (62) is slidably connected with a first rectangular block (65), the bottom of the first rectangular block (65) is fixedly connected with a sleeve (70), the bottom of the sleeve (70) slidably penetrates an inner rod (69), a same tension spring (66) is fixedly connected between the top of the inner rod (69) and the top inner wall of the sleeve (70), the bottom of the inner rod (69) is fixedly connected with a second rectangular hole (67), the second rectangular hole (67) is slidably connected in the second horizontal groove (64) and the vertical groove (63), one end of the second rectangular hole (67) is fixedly connected with an L-shaped sealing plate (71), the L-shaped sealing plate (71) is used for blocking the opening, the bottom side of the L-shaped sealing plate (71) is fixedly connected with an extension plate (68), and the extension plate (68) is used in cooperation with the triangular block (16).

2. The method for preparing a sandstone sound-absorbing decorative soft panel according to claim 1, characterized in that, The mixing assembly comprises a third rotating shaft (50) and two second rotating shafts (58) which are rotatably connected between the inner walls on both sides of the cloth box (51), the outer wall of the third rotating shaft (50) is provided with a plurality of blades (59), the blades (59) cooperate with the opening, the outer wall of the second rotating shaft (58) is provided with a plurality of stirring blades (57), one end of the second rotating shaft (58) and the third rotating shaft (50) rotatably penetrates the cloth box (51) and is fixedly connected with a first rotating shaft (52), one side of the cloth box (51) is fixedly connected with a second servo motor (56), one end of the second servo motor (56) is fixedly connected with one of the second rotating shafts (58), the outer wall of the first rotating shaft (52) is fixedly sleeved with a synchronous wheel (54), the outer walls of three synchronous wheels (54) are drivingly sleeved with a same synchronous belt (53), and one end of the first rotating shaft (52) located below is fixedly connected with an eccentric plate (55).

3. The method for preparing a sandstone sound-absorbing decorative soft panel according to claim 1, characterized in that, The support assembly includes a fixed connection in the main frame (31) bottom inner wall electric push rod (13), the piston rod of the electric push rod (13) is fixedly connected with the support push plate (14), the support push plate (14) is below the mold box (11), the both sides inner wall of the main frame (31) is provided with the first sliding slot (17), the top inner wall of the first sliding slot (17) is provided with the second sliding slot (18) connected, both sides of the mold box (11) are fixedly connected with the two symmetrically arranged sliding blocks (15), the sliding block (15) is slidably connected with the first sliding slot (17) and the second sliding slot (18), the top side of the mold box (11) is fixedly connected with the triangular block (16).

4. The method for preparing a sandstone sound-absorbing decorative soft panel according to claim 1, characterized in that, The both sides inner wall of the main frame (31) and the extension frame (32) is provided with the third sliding slot (34), the third sliding slot (34) is slidably connected with the threaded block (36), the both sides of the two threaded blocks (36) are fixedly connected with the cloth box (51), the both sides inner wall of one of the third sliding slots (34) is rotatably connected with the same screw rod (35), the screw rod (35) is screwed through the corresponding threaded block (36), one side of the extension frame (32) is fixedly connected with the first servo motor (33), the output shaft of the first servo motor (33) is fixedly connected with one end of the screw rod (35).

5. A sandstone sound absorbing decorative soft board prepared by the method of any one of claims 1 to 4, characterized in that, It comprises: The sandstone sound-absorbing decorative soft plate body (22) is composed of aggregate particles, gel solvent and anti-cracking fibers, the aggregate particles are selected from one or more combinations of machine-made sand, vitrified microbeads, quartz sand and synthetic colored sand, the diameter of the aggregate particles is 0.2-3mm, the weight ratio of the aggregate particles, gel solvent and anti-cracking fibers is 1:0.15:0.005, and the gel solvent is one of carbamate, polyisocyanate or polyurethane resin.

6. A sandstone acoustical decorative soft panel according to claim 5, wherein, It also comprises a concrete cylinder (25) and a plurality of steel rod assemblies (24), the plurality of steel rod assemblies (24) are arranged in a ring shape on the outer wall of the concrete cylinder (25), the sandstone sound-absorbing decorative soft plate body (22) is installed at one end of the steel rod assembly (24), the outer wall of the sandstone sound-absorbing decorative soft plate body (22) is provided with a clamping plate (21), the clamping plate (21) is connected with the sandstone sound-absorbing decorative soft plate body (22) through drywall screws (23), and the drywall screws (23) are one of bendable steel keels or fireproof wood clamps.

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