ROTATING BODY CLOTH MOULD AND METHOD FOR PREPARING ARTIFICIAL STONE PATTERN BOARD BY USING IT

Abstract

The invention discloses a concave-convex rotating body cloth mould, comprising a hollow cylinder, wherein the outer surface of the hollow cylinder is provided with grooves with gradually changing depths in the circumferential direction, and the groove is distributed with small air holes communicating with the inside of the hollow cylinder; one of the bottom surfaces of the hollow cylinder is provided with a compressed air inlet; the outer surface of the hollow cylinder is provided with an arc-shaped guide plate at intervals, and the guide plate is provided with powder and slurry spray nozzles; the above of the hollow cylinder is provided with a multicolor hopper; a rotating shaft is penetrated inside the hollow cylinder, and the rotating shaft is driven by a variable speed motor. The invention further discloses a method for preparing artificial boards. The artificial stone board prepared is realistic in effect, and has strong operability.

Claims

1. A concave-convex rotating body cloth mould, comprising a hollow cylinder, wherein the outer surface of the hollow cylinder is provided with grooves with gradually changing depths in the circumferential direction, and the groove is distributed with small air holes communicating with the inside of the hollow cylinder; one of the bottom surfaces of the hollow cylinder is provided with a compressed air inlet; the outer surface of the hollow cylinder is provided with an arc-shaped guide plate at intervals, and the guide plate is provided with powder and slurry spray nozzles; the above of the hollow cylinder is provided with a multicolor hopper; a rotating shaft is penetrated inside the hollow cylinder, and the rotating shaft is driven by a variable speed motor.

2. The concave-convex rotating body cloth mould according to claim 1, wherein the multicolor hopper is provided with at least three blanking pipes, and the lower end of the blanking pipe is close to the guide plate.

3. The concave-convex rotating body cloth mould according to claim 1, wherein one end of the rotating shaft is provided with a gear, and the gear is in shaft connection with the variable speed motor.

4. The concave-convex rotating body cloth mould according to claim 1, wherein the guide plate is close to the outer surface of the hollow cylinder; the powder and slurry spray nozzle is provided to be several.

5. The concave-convex rotating body cloth mould according to claim 1, wherein the depth of the groove is 3-30 mm; the wall thickness of the hollow cylinder is 40-60 mm; the diameter of the small air hole is 0.5-2 mm; the thickness of the guide plate is 20-30 mm.

6. A method for preparing artificial stone pattern board by using the concave-convex rotating body cloth mould, comprising the following steps: 1) carving grooves of different depths on the surface of the hollow cylinder according to the predetermined design; 2) dropping the mixed artificial stone resin sand material of the same or different colors from the discharge pipe of the multicolor hopper to the arc-shaped guide plate, and automatically spraying powder or spraying slurry or spraying powder and spraying slurry at different spraying nozzles simultaneously; 3) with the rotation of the cloth mould, the guide plate presses the material on the surface of the hollow cylinder; through the rotation, the powder and slurry form a pattern with a certain trend, thereby forming stripes and patterns in the material layer; through the high and low or staggered distribution of the blocks and strips formed by the grooves, an artificial stone pattern board with a strong three-dimensionality is obtained; 4) running the cloth mould with a 10 cm-330 cm track at 5 cm on the paving board covered with artificial stone mixed raw materials; when the lowest part of the hollow cylinder passes directly above the paving board, the material of the groove pattern attached to the cloth mould falls off under the action of gravity and internally loaded micro air pressure to form a certain shape or pattern on the paving board; 5) spreading another layer of artificial stone mixed raw materials on the paving board, vacuumizing and vibrating to press, and heating and solidifying to moulding; then, after being kept flat and curing for a period of time, polishing to obtain an artificial stone pattern board with abundant coarse and fine lines and partitioned patterns on the surface.

7. The method for preparing artificial stone pattern board according to claim 6, wherein in step 4), in order to achieve multicolor cloth at the same time and multicolor interval cloth, the wrapping film can be used to wrap and cover the filler to achieve partitioned cloth and local patterns.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

[0026] FIG. 1 is an effect diagram of the coarse and fine textured and medium textured artificial quartz produced by Embodiment 2 of the invention;

[0027] FIG. 2 is a cross-sectional view of the mould in Embodiment 1 of the invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0028] The invention will be further described in detail hereinafter with reference to FIG. 1 and FIG. 2.

Embodiment 1

[0029] In the embodiment, an installation and manufacturing process of a concave-convex rotating body cloth mould is proposed: first, prepare a silicone rubber hollow cylinder 1, with a diameter of 1050 mm, a length of 1700 mm, and a wall thickness of 50 mm. Open a compressed air inlet 4 on one of the bottom surfaces of the silicone rubber hollow cylinder 1, and carve the concave and convex grooves 2 on the silicone rubber hollow cylinder 1 according to the pre-designed pattern and layering requirements; the depth of the grooves 2 includes four types: 10 mm, 15 mm, 20 mm, and 30 mm. The groove 2 is distributed with small air holes 3 communicating with the inside of the hollow cylinder 1, the diameter of which is 1 mm. One of the bottom surfaces of the hollow cylinder 1 is provided with a compressed air inlet 4. The side of the hollow cylinder 1 is provided with an arc-shaped guide plate 5, the thickness of which is 30 mm. The guide plate 5 is provided with several powder and slurry spray nozzles 6. The above of the hollow cylinder 1 is provided with a multicolor hopper 7. The hollow cylinder 1 is supported by a rotating shaft 8 and is connected to a variable speed motor that drives it to rotate through a gear connected to the rotating shaft 8.

Embodiment 2

[0030] In the embodiment, a method for preparing artificial stone with fine coarse and fine textures and medium textures is proposed.

[0031] 1) Weighing the raw materials according to the weight ratio.

[0032] Material A: 54% quartz sand, 30% quartz powder, 13% unsaturated polyester resin, 1.1% medium temperature curing agent, 1.0% coupling agent and 0.9% composite color paste A.

[0033] Material B: 55% quartz sand, 29% quartz powder, 12.8% unsaturated polyester resin, 1.2% medium temperature curing agent, 1.0% coupling agent and 1.0% composite color paste B.

[0034] Material C: 56% quartz sand, 29.5% quartz powder, 11.2% unsaturated polyester resin, 1.0% medium temperature curing agent, 0.8% coupling agent and 1.5% composite color paste C.

[0035] 2) Adding the composite color paste, unsaturated polyester resin, tert-butyl peroxy-2-ethylhexanoate, and γ-methacryloxypropyl trimethoxysilane corresponding to materials A, B, and C into the resin mixing tank and stirring evenly, and then pouring it into a mixer containing pre-mixed quartz sand and quartz powder; following the sequence of 15 Hz low frequency forward rotation for 2 minutes, 15 Hz low frequency reverse rotation for 2 minutes, 45 Hz high frequency forward rotation for 3 minutes, and 45 Hz high frequency reverse rotation for 3 minutes; stirring and mixing for 10 minutes;

[0036] 3) adding materials A, B, and C into the different channels of the multicolor hopper 7, and then dropping onto the hollow cylinder 1, and at the same time spraying the slurry and the color powder at the powder and slurry spray nozzle 6 respectively; through the squeezing and rotating action of the arc-shaped guide plate 5 and the hollow cylinder 1, the sprayed color slurry and color powder form a certain pattern in the interior and surface of the material, and are pressed on the groove 2;

[0037] 4) when the hollow cylinder 1 slowly translates in the horizontal direction while maintaining the state of rotation, and in the condition that the material squeezed on the groove 2 in step 3) reaches the lowest point, the small air holes 3 on the groove 2 are acted on by the force of gravity and the micro air pressure applied inside, so that the cloth block on the groove 2 falls off to the iron plate;

[0038] 5) after the operation completes one revolution, paving the remaining A, B, and C materials;

[0039] 6) feeding the cloth pattern mixture with coarse and fine textures and medium textures in step 5) into the press and vacuumizing, vibrating at high frequency according to 8 frequency bands, namely, 25 Hz 40 seconds, 30 Hz 30 seconds, 36 Hz 30 seconds, 40 Hz 30 seconds, 44 Hz 60 seconds, and 50 Hz 30 seconds, to obtain a formed artificial stone pattern board;

[0040] 7) putting the artificial stone pattern board in the curing oven, and after curing for 120 minutes at 85° C., laying flat for moulding for 24 hours;

[0041] 8) performing fine polishing with a grinding block of 26-6000 mesh to obtain an artificial stone board with coarse and fine textures and medium textures. Refer to FIG. 1 for details.

[0042] Through the verification of production practice, it can be known that the method used in the invention to produce artificial stone boards with coarse and fine textures and medium textures is stable in production, and has the advantages of high degree of automation, fine textures, clear, natural, and beautiful.

[0043] The invention and the embodiments thereof are described hereinabove, and this description is not restrictive. What is shown in the drawings is only one of the embodiments of the invention, and the actual structure is not limited thereto. All in all, structural modes and embodiments similar to the technical solution of the invention without deviating from the inventive purpose of the invention made by those of ordinary skill in the art without creative design shall all fall within the protection scope of the invention.