Fire-resistant flame-retardant ceramic composite material product as well as preparation forming method and forming device thereof

Abstract

The invention discloses a fire-resistant and flame-retardant ceramic composite material product and a preparation forming method and device thereof, and relates to the technical field of ceramic composite materials, and according to the preparation forming method, ceramic fibers, an inorganic binder, a filler, an additive and water are used; s1, sequentially mixing the raw materials, and dispersing at a high speed through a high-speed stirrer to obtain uniform slurry; s2, extracting slurry through a vacuum suction machine, and injecting the slurry into a mold to form a wet blank; s3, the surface of the wet blank is pressed through a double-roller shaping machine, and the flatness and density are improved; s4, manual work and automation are combined, the wet blank is turned over, and the other face of the wet blank is flattened; s5, drying and curing to form a ceramic phase, and finally cutting into a standard size; the forming device comprises a machine tool, an edge beam, a connecting plate, a bearing strip and a supporting plate. The device has the advantages that wet blank overturning is efficiently completed, the manual labor amount is reduced, and the ceramic fiber fireproof plate production efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of ceramic composite materials, and more specifically, to refractory and flame-retardant ceramic composite material products, their preparation and molding methods, and molding devices. Background Art

[0002] Refractory and flame-retardant ceramic composite materials are a type of functional materials that combine a ceramic matrix with reinforcing phases (such as fibers, particles, or whiskers) and add flame-retardant components, so as to maintain structural stability, fire retardancy, and heat insulation in high-temperature or flame environments. Their core characteristics are the combination of the high-temperature resistance and chemical inertness of ceramics, as well as the mechanical properties and flame-retardant characteristics of composite materials.

[0003] Refractory and flame-retardant ceramic composite material products are widely used in the fields of aerospace, construction, electronics, chemical engineering, etc. due to their excellent high-temperature resistance, flame retardancy, and mechanical properties. Among them, ceramic fiber fireproof boards are widely used in the construction and chemical engineering fields. A ceramic fiber fireproof board is a high-temperature refractory, flame-retardant, and heat-insulating board mainly made of ceramic fibers, combined with inorganic binders and additives, and formed and cured.

[0004] When producing a ceramic fiber fireproof board, first, the raw materials are mixed and stirred to form a slurry; then the slurry is transported to a vacuum molding machine, and through the action of negative pressure suction, the slurry is evenly distributed in a special mold, while removing free water to form a rectangular wet blank with initial strength; the wet blank is immediately transferred to a shaping device, and through the treatment of a pressure roller, the surface smoothness and density of the blank are improved; then it enters a drying and curing line to complete the ceramization transformation, and finally a substrate with stable structure is obtained; the finished product can be made into various special-shaped terminal products through cutting and processing according to application requirements.

[0005] After the preliminarily formed wet blank is transferred to the shaping device, it is placed on a pallet, and the pallet drives the wet blank to move through a conveying system, so as to be pressed by a pressure roller. Usually, both sides of the wet blank need to be pressed, but most traditional shaping devices do not have an automatic flipping device, and manual flipping of the wet blank is required. Since the wet blank still contains some moisture and has a relatively large mass, it is difficult to manually flip it, and the wet blank is easily damaged during the manual flipping process, thereby increasing production costs and reducing the production qualification rate of ceramic fiber fireproof boards. Therefore, it is necessary to propose refractory and flame-retardant ceramic composite material products, their preparation and molding methods, and molding devices to solve the above problems. Summary of the Invention

[0006] Aiming at the problems existing in the prior art, the purpose of the present invention is to provide refractory and flame-retardant ceramic composite material products, their preparation and molding methods, and molding devices, which can solve the problem that wet blanks usually need to be manually flipped in the wet blank shaping process. It has the advantages of efficiently completing the flipping of wet blanks, reducing the manual labor amount, and improving the production efficiency of ceramic fiber fireproof boards.

[0007] To solve the above problems, the present invention adopts the following technical solutions:

[0008] Ceramic fiber, inorganic binder, filler, additive and water;

[0009] The ceramic fiber is high-aluminum fiber with a weight ratio of 45%;

[0010] The inorganic binder is silica sol with a weight ratio of 6% and a pH of 9 - 10, and aluminum sol with a weight ratio of 9%;

[0011] The filler includes expanded perlite with a weight ratio of 15%, vermiculite with a weight ratio of 10%, and silica powder with a weight ratio of 10%. The particle size of the expanded perlite is 0.5 - 2 mm, the bulk density is 80 - 150 kg / m³, and the particle size of the silica powder is 1 - 10 μm;

[0012] The additives include 2% by weight of dispersant sodium polyacrylate, 2% by weight of thickener carboxymethyl cellulose, and 1% by weight of flame retardant zinc borate;

[0013] The water is deionized water or pure water, with a pH of 6 - 8.

[0014] As a preferred solution of the present invention, a method for preparing and forming a refractory and flame-retardant ceramic composite product includes the following steps:

[0015] S1: Disperse the ceramic fiber and the water in a high-speed mixer to break the fiber agglomerates, and then sequentially add the inorganic binder, the filler, and the additive, and disperse them at high speed into a uniform slurry;

[0016] S2: Extract the slurry through a vacuum suction machine, inject the slurry into a mold, press and form it, and use vacuum suction for dehydration treatment to initially form a green body;

[0017] S3: Transfer the green body to a pair of roll shaping machines, and the conveying equipment drives the green body to move. During the movement, the pair of rolls presses the green body to flatten the surface of the green body and increase the density;

[0018] S4: After the green body moves from one end of the pair of roll shaping machines to the other end, the automatic surface changing of the pallet receiving surface occurs, and then the operator flips the tray to drive the green body to flip. Subsequently, the conveying equipment returns and drives the other side of the green body through the pair of rolls to complete the shaping of the other side of the green body by the pair of rolls;

[0019] S5: Hot air drying to remove free water, followed by high-temperature curing to form a ceramic phase, and finally cutting to standard size using a diamond saw blade or a water jet.

[0020] As a preferred embodiment of the present invention, for the forming device of the refractory and flame-retardant ceramic composite material product, in step S3, the roller shaping machine includes a machine tool, a pressing roller is installed in the middle of the machine tool, and slide rails are symmetrically arranged on both long sides of the machine tool.

[0021] As a preferred embodiment of the present invention, two first motors are symmetrically installed on both sides at one end of the machine tool, two pairs of sprockets are symmetrically installed at both ends of the long side of the machine tool, one pair of the sprockets are respectively installed on the output ends of the two first motors, and a transmission chain is installed on the two sprockets on the long side of the machine tool.

[0022] As a preferred embodiment of the present invention, two supporting beams are symmetrically installed on the top surface of the long side of the machine tool. Two moving blocks are slidably connected to each slide rail. The two moving blocks on the same slide rail are also installed on the same transmission chain. The two moving blocks on the same slide rail are symmetrically installed at both ends of the bottom surface of one supporting beam. A rotating rod is rotatably connected to the middle of the top surface of the supporting beam. A plug pin is threadedly connected to the side surface of one end of the supporting beam, and the plug pin penetrates through the supporting beam.

[0023] As a preferred embodiment of the present invention, a side beam is installed inside each supporting beam. A square column is installed in the middle of the outer side of the side beam. The square column is inserted into the rotating rod. A semi-circular groove is provided inside the side beam. Two pairs of connecting plates are symmetrically installed at both ends of the two side beams. An inner slider is fixed to the side surface of each connecting plate. A chute is also provided on the side surface of each connecting plate. The chute on the same pair of connecting plates communicates with the end of the corresponding semi-circular groove. A pair of buffer grooves are symmetrically provided at both ends of the side beam. A first spring is installed in each buffer groove. The inner slider is elastically connected to the corresponding buffer groove through the corresponding first spring. A pin hole is provided on the outer side of one end of the side beam.

[0024] As a preferred embodiment of the present invention, connecting frames are provided at both ends of the side beam. A second motor is installed on the connecting frame. A first gear is installed at the output end of the second motor. The first gear is rotatably connected to the inside of the end of the side beam. Two toothed belts are symmetrically slidably connected to both ends of the semi-circular groove. The toothed belt is meshed and connected to the corresponding first gear. A number of cylinders are equidistantly installed on the side surface of the toothed belt. The cylinder is slidably connected to the corresponding chute. A number of supporting bars are equidistantly installed between the two toothed belts. Two cylinders are installed at both ends of each supporting bar. Three abutting blocks are installed in the middle of the outer side of each of the supporting bars.

[0025] As a preferred embodiment of the present invention, a sliding rod, a push rod and a second spring are installed inside each of the cylinders. The sliding rod and the push rod are fixedly connected, and the sliding rod and the push rod are elastically connected to the inside of the cylinder through the second spring. Two drain doors are rotatably connected inside the supporting strip. Second gears are installed at both ends of the drain door. A pair of toothed plates and a pair of third springs are installed inside both ends of the supporting strip. The toothed plates are elastically connected to the inside of the supporting strip through the corresponding third springs. The toothed plates are meshed with the corresponding second gears.

[0026] As a preferred embodiment of the present invention, a pair of wedges and a pair of fourth springs are symmetrically installed inside the side beam. The wedges are elastically connected to the inside of the side beam through the corresponding fourth springs. A toothed rod is fixed to the side of each wedge. Two columns are symmetrically installed inside both ends of the side beam. The bottom end of the column is rotatably connected to one end of the support plate. An ear is installed on the top surface of the support plate near the column. A lifting groove is provided on the bottom surface of the side beam near the ear. The ear is slidably connected to the corresponding lifting groove. A torsion spring is installed at the bottom end of the column. The column is elastically connected to the side beam through the torsion spring. A third gear and a fifth spring are installed at the upper end of the column. The top end of the fifth spring abuts against the top end of the column, and the bottom end of the fifth spring abuts against the top surface of the third gear.

[0027] As a preferred embodiment of the present invention, a three-end frame is installed inside the side beam. Two sleeves are installed at two of the three ends of the three-end frame respectively. The sleeves are slidably connected to the column between the torsion spring and the third gear. The sleeve abuts against the bottom surface of the third gear.

[0028] Compared with the prior art, the advantages of the present invention are as follows:

[0029] 1. A rotatable rotating rod is provided in the middle of the supporting beam. By installing a tray composed of a side beam, a connecting plate and a plurality of supporting strips for supporting the fireproof board on the rotating rod and combining with a toothed belt driven by a motor, the supporting strip can be quickly transferred to the top surface of the fireproof board. Then, by manually rotating the rotating rod, the flipping of the fireproof board can be completed quickly and efficiently, saving time and effort and greatly improving the forming efficiency of the fireproof board.

[0030] 2. When the supporting strip is about to complete the side change, the wedge can be driven to rotate by using the abutting block entering the semi-circular groove to abut against the wedge, so that the support plate rotates to the bottom of the fireproof board, playing a role in supporting the fireproof board instead of the supporting strip. Moreover, during the rotation of the support plate, through the cooperation of the ear and the lifting groove, the distal end of the support plate can extrude the fireproof board, making the fireproof board close to the supporting strip. The supporting strip and the support plate clamp the fireproof board, which can effectively prevent the fireproof board from accidentally falling during the flipping process and ensure the production safety.

[0031] 3. A certain distance is left between several supporting bars, leaving a gap to facilitate the drainage of excess water. When the toothed belt drives several cylinders to slide into the corresponding chutes, the chutes squeeze the sliding rods, thereby driving the drainage door to open and opening the through cavity on the supporting bars, further increasing the drainage volume and avoiding water accumulation. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 is a schematic diagram of the overall structure of the present invention;

[0033] Figure 2 is a schematic diagram of the disassembled structure of the supporting beam and the moving block of the present invention;

[0034] Figure 3 is a schematic diagram of the disassembled structure of the supporting beam and the side beam of the present invention;

[0035] Figure 4 is a schematic diagram of the cross-sectional structure of the end of the side beam of the present invention;

[0036] Figure 5 is a schematic diagram of the cooperation structure of the supporting bar and the semi-circular groove of the present invention;

[0037] Figure 6 is a schematic diagram of the cooperation structure of the inner slider, the chute and the cylinder of the present invention;

[0038] Figure 7 is a schematic diagram of the internal structure of the cylinder and the supporting bar of the present invention;

[0039] Figure 8 is a schematic diagram of the cooperation structure of the push rod and the toothed plate of the present invention;

[0040] Figure 9 is a schematic diagram of the overall cross-sectional structure of the side beam of the present invention;

[0041] Figure 10 is a schematic diagram of the cooperation structure of the abutting block and the wedge block, and the toothed rod and the third gear of the present invention;

[0042] Figure 11 is a schematic diagram of the attitude structure of the support plate of the present invention;

[0043] Figure 12 is a schematic diagram of the cooperation structure of the three-end frame, the collar and the third gear of the present invention;

[0044] Figure 13 is of the present invention Figure 2 magnified schematic diagram of part A;

[0045] Figure 14 is of the present invention Figure 3 magnified schematic diagram of part B;

[0046] Figure 15 is of the present invention Figure 4Schematic diagram of the enlarged structure at position C;

[0047] Figure 16 of the present invention Figure 5 Schematic diagram of the enlarged structure at position D;

[0048] Figure 17 of the present invention Figure 5 Schematic diagram of the enlarged structure at position E;

[0049] Figure 18 of the present invention Figure 7 Schematic diagram of the enlarged structure at position F;

[0050] Figure 19 of the present invention Figure 8 Schematic diagram of the enlarged structure at position G;

[0051] Figure 20 of the present invention Figure 9 Schematic diagram of the enlarged structure at position H;

[0052] Figure 21 of the present invention Figure 9 Schematic diagram of the enlarged structure at position I;

[0053] Figure 22 of the present invention Figure 10 Schematic diagram of the enlarged structure at position J;

[0054] Figure 23 of the present invention Figure 10 Schematic diagram of the enlarged structure at position K;

[0055] Figure 24 of the present invention Figure 11 Schematic diagram of the enlarged structure at position L;

[0056] Figure 25 of the present invention Figure 12 Schematic diagram of the enlarged structure at position M.

[0057] Description of reference numerals in the figure: 11, machine tool; 12, pressure roller; 13, slide rail; 21, first motor; 22, sprocket; 23, transmission chain; 31, supporting beam; 32, moving block; 33, rotating rod; 34, pin; 41, side beam; 42, square column; 43, semi-circular groove; 44, connecting plate; 45, inner slider; 46, chute; 47, buffer groove; 48, first spring; 49, pin hole; 51, connecting frame; 52, second motor; 53, first gear; 54, toothed belt; 55, cylinder; 56, supporting strip; 57, abutting block; 61, sliding rod; 62, push rod; 63, second spring; 64, drain door; 65, second gear; 66, toothed plate; 67, third spring; 71, wedge block; 72, fourth spring; 73, toothed rod; 74, column; 75, supporting plate; 76, hanging ear; 77, rising groove; 78, torsion spring; 79, third gear; 791, fifth spring; 81, three-end frame; 82, collar; 9, fireproof board. Specific implementation mode

[0058] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0059] Embodiment 1: Please refer to Figures 1 to 25 As shown, the present invention discloses a refractory and flame-retardant ceramic composite material product, including ceramic fiber, inorganic binder, filler, additive and water;

[0060] The ceramic fiber is high-aluminum fiber with a weight ratio of 45%;

[0061] The inorganic binder is silica sol with a weight ratio of 6% and a pH of 9-10 and aluminum sol with a weight ratio of 9%;

[0062] The filler includes expanded perlite with a weight ratio of 15%, vermiculite with a weight ratio of 10% and silica powder with a weight ratio of 10%. The particle size of the expanded perlite is 0.5-2 mm, the bulk density is 80-150 kg / m³, and the particle size of the silica powder is 1-10 μm;

[0063] The additives include 2% of dispersant sodium polyacrylate, 2% of thickener carboxymethyl cellulose and 1% of flame retardant zinc borate by weight ratio;

[0064] The water is deionized water or pure water, with a pH of 6-8.

[0065] The preparation and molding method of the refractory and flame-retardant ceramic composite material product includes the following steps:

[0066] S1: Disperse ceramic fibers and water in a high-speed blender to break up fiber clusters, then sequentially add an inorganic binder, fillers, and additives, and disperse at high speed until a uniform slurry is obtained;

[0067] S2: Extract the slurry using a vacuum suction machine, inject the slurry into a mold, press it into shape, and perform vacuum suction dehydration treatment to initially form a green body;

[0068] S3: Transfer the green body to a pair-roll shaping machine. The conveying device drives the green body to move. During the movement, the pair of rolls presses the green body to flatten the surface of the green body and increase its density;

[0069] S4: After the green body moves from one end to the other end of the pair-roll shaping machine, the receiving surface of the pallet automatically changes its surface. Then, manually flip the pallet to drive the green body to flip. Subsequently, the conveying device returns, driving the other side of the green body past the pair of rolls to complete the shaping of the other side of the green body by the pair of rolls;

[0070] S5: Hot air drying to remove free water, followed by high-temperature curing to form a ceramic phase. Finally, cut it to the standard size using a diamond saw blade or a water jet cutter.

[0071] The forming device for refractory and flame-retardant ceramic composite products. The pair-roll shaping machine in step S3 includes a machine tool 11. A pressing roll 12 is installed in the middle of the machine tool 11, and slide rails 13 are symmetrically arranged on both long sides of the machine tool 11.

[0072] On both sides at one end of the machine tool 11, two first motors 21 are symmetrically installed. On both ends of the long side of the machine tool 11, two pairs of sprockets 22 are symmetrically installed. One pair of sprockets 22 is respectively installed on the output ends of the two first motors 21, and a transmission chain 23 is installed on the two sprockets 22 on the long side of the machine tool 11.

[0073] On the top surface of the long side of the machine tool 11, two support beams 31 are symmetrically installed. Two moving blocks 32 are slidably connected to each slide rail 13. The two moving blocks 32 on the same slide rail 13 are also installed on the same transmission chain 23. The two moving blocks 32 on the same slide rail 13 are symmetrically installed at both ends of the bottom surface of a support beam 31. In the middle of the top surface of the support beam 31, a rotating rod 33 is rotatably connected. On the side surface of one end of the support beam 31, a bolt 34 is threadedly connected, and the bolt 34 penetrates through the support beam 31.

[0074] An edge beam 41 is installed on the inner side of each joist 31. A square column 42 is installed in the middle of the outer side of the edge beam 41. The square column 42 is inserted into the rotating rod 33. A semi-circular groove 43 is provided inside the edge beam 41. Two pairs of connecting plates 44 are symmetrically installed at both ends of the two edge beams 41. An inner slider 45 is fixed on the side of each connecting plate 44. A chute 46 is also provided on the side of each connecting plate 44. The chute 46 on the same pair of connecting plates 44 communicates with the end of the corresponding semi-circular groove 43. A pair of buffer grooves 47 are symmetrically provided at both ends of the edge beam 41. A first spring 48 is installed in each buffer groove 47. The inner slider 45 is elastically connected to the corresponding buffer groove 47 through the corresponding first spring 48. A pin hole 49 is provided on the outer side of one end of the edge beam 41.

[0075] Connecting frames 51 are provided at both ends of the edge beam 41. A second motor 52 is installed on the connecting frame 51. A first gear 53 is installed at the output end of the second motor 52. The first gear 53 is rotatably connected to the inside of the end of the edge beam 41. Two toothed belts 54 are symmetrically slidably connected to both ends of the semi-circular groove 43. The toothed belt 54 is meshed with the corresponding first gear 53. A number of cylinders 55 are equidistantly installed on the side of the toothed belt 54. The cylinder 55 is slidably connected to the corresponding chute 46. A number of supporting bars 56 are equidistantly installed between the two toothed belts 54. Two cylinders 55 are installed at both ends of each supporting bar 56. A resisting block 57 is installed in the middle of the outer side of three of the supporting bars 56.

[0076] A fireproof board 9 is placed in the space surrounded by the edge beam 41 and the connecting plate 44. The bottom surface of the fireproof board 9 abuts against the inner sides of a number of supporting bars 56.

[0077] A pair of wedge blocks 71 and a pair of fourth springs 72 are symmetrically installed inside the edge beam 41. The wedge block 71 is elastically connected to the inside of the edge beam 41 through the corresponding fourth spring 72. A toothed rod 73 is fixed on the side of each wedge block 71. Two columns 74 are symmetrically installed inside the two ends of the edge beam 41. The bottom end of the column 74 is rotatably connected to one end of a support plate 75. An ear 76 is installed at one end of the top surface of the support plate 75 close to the column 74. A lifting groove 77 is provided on the bottom surface of the edge beam 41 close to the ear 76. The ear 76 is slidably connected to the corresponding lifting groove 77. A torsion spring 78 is installed at the bottom end of the column 74. The column 74 is elastically connected to the edge beam 41 through the torsion spring 78. A third gear 79 and a fifth spring 791 are installed at the upper end of the column 74. The top end of the fifth spring 791 abuts against the top end of the column 74. The bottom end of the fifth spring 791 abuts against the top surface of the third gear 79.

[0078] A three-end frame 81 is installed inside the edge beam 41. Two collar rings 82 are installed at two of the three ends of the three-end frame 81 respectively. The collar ring 82 is slidably connected to the column 74 between the torsion spring 78 and the third gear 79. The collar ring 82 abuts against the bottom surface of the third gear 79.

[0079] The ionic water or pure water used in the production of ceramic fiber fireproof boards serves to mix other materials. During the forming stage, the moisture will be removed, so it does not affect the weight ratio of other materials.

[0080] The rotating rod 33 is provided with a square groove adapted to the square column 42. By inserting the square column 42 on the outer side of the side beam 41 into the square groove on the rotating rod 33, after ensuring that the side beam 41 and the supporting beam 31 are at the same level, then insert the plug pin 34 so that the end of the plug pin 34 is inserted into the pin hole 49 on the outer side of the side beam 41, thereby fixing the side beam 41 and ensuring the stability of the side beam 41. For the convenience of description, the device composed of the side beam 41, the connecting plate 44 and a number of supporting bars 56 is called a tray, and a wet blank (i.e., the fireproof board 9) is placed in the tray.

[0081] After the wet blank formed in the previous process is transferred to the tray parked at one end of the machine tool 11, start the first motor 21. The first motor 21 drives the transmission chain 23 to rotate through the sprocket 22, and the transmission chain 23 then drives the supporting beam 31 to move towards the other end of the machine tool 11 through the moving block 32 installed on it. At the same time, the moving block 32 slides on the slide rail 13. The supporting beam 31 drives the tray and the fireproof board 9 in the tray to move.

[0082] When the tray starts to move, the pressure roller 12 in the middle of the machine tool 11 starts synchronously. When the tray passes through the pressure roller 12, the pressure roller 12 squeezes the top surface of the fireproof board 9, and the pressure can make the surface of the fireproof board 9 flat and can also improve the overall density of the fireproof board 9.

[0083] The connecting plates 44 at both ends of the side beam 41 (two connecting plates 44 are symmetrically arranged at each end of the side beam 41, divided into upper and lower layers, and a number of cylinders 55 are all in the lower layer of the sliding groove 46, that is, the lower layer of the connecting plate 44 plays a role in supporting both ends of the supporting bar 56, and after the side beam 41 is flipped, the upper and lower layers of the connecting plate 44 are exchanged, but the cylinders 55 are always in the lower layer of the sliding groove 46) are elastically arranged through the first spring 48 in the buffer groove 47. Before the pressure roller 12 starts to contact the fireproof board 9, it will first roll over the connecting plate 44. If the connecting plate 44 is rigidly arranged at the end of the side beam 41, it is not only easy to be damaged by the extrusion of the pressure roller 12, but also will damage the pressure roller 12 and reduce the service life of the pressure roller 12. Therefore, when the pressure roller 12 rolls over the elastically liftable connecting plate 44 (the rolled-over is the upper layer connecting plate 44), the connecting plate 44 adaptively descends, driving the inner slider 45 to slide in the buffer groove 47 and compressing the first spring 48. After the upper layer connecting plate 44 descends, its sliding groove 46 is no longer connected to the end of the half-ring groove 43. After the pressure roller 12 passes, under the elastic force of the first spring 48, the upper layer connecting plate 44 and the inner slider 45 automatically reset, and its sliding groove 46 is connected to the end of the half-ring groove 43 again (the function of the connection is to make the supporting bar 56 drive the cylinder 55 to slide into the sliding groove 46 in the upper layer connecting plate 44 before flipping the tray later).

[0084] When the tray disengages from the pressure roller 12, the upper connecting plate 44 at the other end of the side beam 41 will also be rolled by the pressure roller 12 and go through the above process as well.

[0085] After the fireproof board 9 is pressed, the tray drives the fireproof board 9 to the other end of the machine tool 11. At this time, the second motors 52 at both ends of the side beam 41 are started. Through the cooperation of the first gear 53 and the toothed belt 54, a number of supporting bars 56 are driven to pass through the semi-circular grooves 43 one by one, so that a number of cylinders 55 are transferred from the lower chute 46 to the upper chute 46, that is, a number of supporting bars 56 move to the top surface of the fireproof board 9.

[0086] As shown in the Figure 5 specification appendix, assume that the structure formed by a number of supporting bars 56 is called a supporting curtain. At the middle part on the outer side of the three supporting bars 56 close to the tail end of the supporting curtain, there are abutting blocks 57. When the supporting bar 56 with the abutting block 57 enters the semi-circular groove 43, the abutting block 57 presses the wedge block 71 inside the side beam 41, causing the wedge block 71 to slide towards both ends of the side beam 41. While driving the sliding of the toothed rod 73, the fourth spring 72 is compressed. The sliding of the toothed rod 73 can drive the upright column 74 to rotate through the third gear 79 (the third gear 79 can only slide vertically relative to the upright column 74 and cannot rotate relatively), and the upright column 74 drives the support plate 75 to rotate towards the bottom of the fireproof board 9 (both the upright column 74 and the support plate 75 rotate by ninety degrees, and the support plate 75 is initially parallel to the bottom of the side beam 41), that is, before the supporting curtain is about to completely slide into the semi-circular groove 43, the abutting block 57 can make the support plate 75 rotate to the bottom of the fireproof board 9, playing a role in temporarily supporting the fireproof board 9.

[0087] The purpose of setting multiple abutting blocks 57 is that when the first supporting bar 56 with an abutting block 57 enters the semi-circular groove 43 and this abutting block 57 starts to press the wedge block 71, the remaining supporting bars 56 are still at the bottom of the fireproof board 9 and still play a role in supporting the fireproof board 9, so as to rotate the support plate 75 to the bottom of the fireproof board 9 before the supporting bar 56 completely enters the semi-circular groove 43, avoiding the problem that the fireproof board 9 falls due to lack of support. And a continuous number of abutting blocks 57 can ensure that even when the supporting bar 56 is sliding, the wedge block 71 can still be kept in an expanded state.

[0088] When a number of supporting bars 56 stop sliding, the top surface of the fireproof board 9 is completely covered with supporting bars 56, and the bottom surface of the fireproof board 9 is supported by the support plate 75. At this time, the worker rotates the bolt 34 in the reverse direction, so that the bolt 34 slides out of the pin hole 49, releasing the side beam 41. Then the worker rotates the rotating rod 33, and the rotating rod 33 drives the side beam 41 to turn over through the square column 42, so as to drive the fireproof board 9 to turn over through the tray, making the other side of the fireproof board 9 face upward. Then the bolt 34 is rotated forward again, and the bolt 34 is inserted into the pin hole 49 again to stabilize the side beam 41.

[0089] After inversion, the bottom surface of the original side beam 41 faces upward, and the three-end brackets 81 on the bottom surface of the side beam 41 are exposed. Press the three-end brackets 81, and the three-end brackets 81 drive the collar 82 to slide downward. The collar 82 pushes the third gear 79 to slide on the column 74 and compresses the fifth spring 791. After the third gear 79 slides, it separates from the rack 73, that is, the third gear 79 loses the restriction of the rack 73 on the column 74. Subsequently, under the elastic force of the torsion spring 78, the column 74 drives the third gear 79 to reverse and drives the support plate 75 to reverse. The support plate 75 is parallel to the side beam 41 again (at this time, the support plate 75 is on the top surface of the side beam 41), and the top surface of the fireproof board 9 is unobstructed. Finally, the transmission chain 23 moves in the reverse direction, drives the supporting beam 31 to move in the reverse direction through the moving block 32, the supporting beam 31 drives the tray and the fireproof board 9 to move in the reverse direction, and the pressing roller 12 presses the new top surface of the fireproof board 9 for shaping again until the supporting beam 31, the tray and the fireproof board 9 return to the initial position.

[0090] During the process of transferring several supporting strips 56 to the top surface of the fireproof board 9, even if the support plate 75 supports the fireproof board 9 to avoid the risk of the fireproof board 9 falling, the fireproof board 9 in the tray is loose. When the subsequent tray drives the fireproof board 9 to flip, the fireproof board 9 may tilt and fall from the gap. Therefore, an ear 76 that can slide in the lifting groove 77 is provided on the top surface of the support plate 75 close to the column 74, and the lifting groove 77 is a quarter-turn spiral structure that gradually approaches the surface of the side beam 41. The bottom end of the column 74 is rotatably connected to the support plate 75. During the process of the support plate 75 rotating from a position parallel to the side beam 41 to the bottom surface of the fireproof board 9, the distal end of the support plate 75 gradually tilts in the direction close to the bottom surface of the fireproof board 9, that is, the support plate 75 gradually contacts and presses the fireproof board 9 during rotation, so that the fireproof board 9 is close to the supporting curtain on its top surface, and the supporting curtain and the support plate 75 clamp the fireproof board 9, which can effectively avoid the accidental falling of the fireproof board 9 during the flipping process and ensure the production safety.

[0091] Embodiment 2: This embodiment is an explanatory description based on Embodiment 1. Specifically, please refer to Figures 1 to 25 , a sliding rod 61, a push rod 62 and a second spring 63 are installed in each cylinder body 55. The sliding rod 61 and the push rod 62 are fixedly connected. The sliding rod 61 and the push rod 62 are elastically connected to the inside of the cylinder body 55 through the second spring 63. Two drain doors 64 are rotatably connected in the supporting strip 56. Second gears 65 are installed at both ends of the drain door 64. A pair of toothed plates 66 and a pair of third springs 67 are installed inside both ends of the supporting strip 56. The toothed plates 66 are elastically connected to the inside of the supporting strip 56 through the corresponding third springs 67. The toothed plates 66 are meshed with the corresponding second gears 65.

[0092] The fireproof board 9 (green blank) still contains a certain amount of free water inside. During the process of the pressing roller 12 extruding the fireproof board 9, some free water will flow out. To facilitate drainage, there is a certain distance between two adjacent supporting bars 56, thus leaving a gap for convenient drainage.

[0093] Moreover, each supporting bar 56 is provided with a through cavity, and two drainage doors 64 are symmetrically arranged in the through cavity. For the supporting bar 56 located in the semi-circular groove 43, the second spring 63 in the two end cylinders 55 is in its natural length, that is, at this time, the push rod 62 will not squeeze the toothed plate 66 inside the supporting bar 56. When each cylinder 55 slides into the inside of the sliding groove 46, the inner wall of the sliding groove 46 squeezes the sliding rod 61, causing the sliding rod 61 to slide towards the inside of the cylinder 55. While compressing the second spring 63, the push rod 62 is driven to slide towards the inside of the supporting bar 56. The end of the push rod 62 squeezes the toothed plate 66, causing the toothed plate 66 to slide towards both sides of the supporting bar 56. While the toothed plate 66 compresses the corresponding third spring 67, the second gear 65 is driven to rotate, thereby driving the drainage door 64 to rotate. After the drainage door 64 rotates, the through cavity on the supporting bar 56 is opened, further increasing the drainage volume.

[0094] Obviously, the above-mentioned embodiments of the present invention are merely examples for clearly illustrating the present invention, rather than limitations on the implementation manners of the present invention. For those of ordinary skill in the art, other different forms of changes or variations can be made based on the above description. It is impossible to list all the implementation manners here. Any obvious changes or variations derived from the technical solutions of the present invention still fall within the protection scope of the present invention.

Claims

1. Refractory and flame-retardant ceramic composite products, characterized in that, It includes: Ceramic fiber, inorganic binder, filler, additive and water; The ceramic fiber is high-aluminum fiber with a weight ratio of 45%; The inorganic binder is silica sol with a weight ratio of 6% and a pH of 9 - 10, and aluminum sol with a weight ratio of 9%; The filler includes expanded perlite with a weight ratio of 15%, vermiculite with a weight ratio of 10%, and silica powder with a weight ratio of 10%. The particle size of the expanded perlite is 0.5 - 2 mm, the bulk density is 80 - 150 kg / m³, and the particle size of the silica powder is 1 - 10 μm; The additives include 2% (by weight) of dispersant sodium polyacrylate, 2% (by weight) of thickener carboxymethyl cellulose, and 1% (by weight) of flame retardant zinc borate; The water is deionized water or pure water with a pH of 6 - 8.

2. The preparation and molding method of the refractory and flame-retardant ceramic composite material product according to claim 1, characterized in that, It includes the following steps: S1: Disperse the ceramic fiber and the water in a high-speed mixer to break the fiber clusters, and then sequentially add the inorganic binder, the filler, and the additive, and disperse them at high speed into a uniform slurry; S2: Extract the slurry through a vacuum suction machine, inject the slurry into a mold, press it into shape, and use vacuum suction for dehydration treatment to initially form a wet blank; S3: Transfer the wet blank to a pair-roll shaping machine, and the conveying device drives the wet blank to move. During the movement, the pair of rolls presses the wet blank to flatten the surface of the wet blank and increase the density; S4: After the wet blank moves from one end of the pair-roll shaping machine to the other end, the automatic face-changing of the support plate receiving surface occurs, and then an operator flips the tray to drive the wet blank to flip. Subsequently, the conveying device returns, driving the other side of the wet blank through the pair of rolls to complete the shaping of the other side of the wet blank by the pair of rolls; S5: Dry with hot air to remove free water, then cure at high temperature to form a ceramic phase, and finally cut it to the standard size using a diamond saw blade or a water jet.

3. The forming device for the refractory and flame-retardant ceramic composite material product according to claim 2, characterized in that: In the pair-roll shaping machine in step S3, it includes a machine tool (11). A pressure roll (12) is installed in the middle of the machine tool (11), and slide rails (13) are symmetrically arranged on both long sides of the machine tool (11).

4. The forming device of the refractory and flame-retardant ceramic composite material product according to claim 3, characterized in that: On both sides of one end of the machine tool (11), two first motors (21) are symmetrically installed. On both ends of the long side of the machine tool (11), two pairs of sprockets (22) are symmetrically installed. One of the pairs of sprockets (22) is respectively installed on the output ends of the two first motors (21), and a transmission chain (23) is installed on the two sprockets (22) on the long side of the machine tool (11).

5. The forming device for the refractory and flame-retardant ceramic composite material product according to claim 4, characterized in that: On the top surface of the long side of the machine tool (11), two support beams (31) are symmetrically installed. Two moving blocks (32) are slidably connected to each slide rail (13). The two moving blocks (32) on the same slide rail (13) are also installed on the same transmission chain (23). The two moving blocks (32) on the same slide rail (13) are symmetrically installed at both ends of the bottom surface of one support beam (31). A rotating rod (33) is rotatably connected to the middle of the top surface of the support beam (31). One end of the side surface of the support beam (31) is threadedly connected with a bolt (34), and the bolt (34) penetrates through the support beam (31).

6. The forming device for the refractory and flame-retardant ceramic composite material product according to claim 5, characterized in that: An edge beam (41) is installed on the inner side of each joist (31). A square column (42) is installed in the middle of the outer side of the edge beam (41). The square column (42) is inserted into the rotating rod (33). A semi-circular groove (43) is provided inside the edge beam (41). Two pairs of connecting plates (44) are symmetrically installed at both ends of the two edge beams (41). An inner slider (45) is fixed on the side surface of each connecting plate (44). A chute (46) is further provided on the side surface of each connecting plate (44). The chute (46) on the same pair of connecting plates (44) communicates with the end of the corresponding semi-circular groove (43). A pair of buffer grooves (47) are symmetrically provided at both ends of the edge beam (41). A first spring (48) is installed in each buffer groove (47). The inner slider (45) is elastically connected to the corresponding buffer groove (47) through the corresponding first spring (48). A pin hole (49) is provided on the outer side of one end of the edge beam (41).

7. The forming device for the refractory and flame-retardant ceramic composite material product according to claim 6, characterized in that: Connecting frames (51) are provided at both ends of the edge beam (41). A second motor (52) is installed on the connecting frame (51). A first gear (53) is installed at the output end of the second motor (52). The first gear (53) is rotatably connected to the inside of the end of the edge beam (41). Two toothed belts (54) are symmetrically and slidably connected to both ends of the semi-circular groove (43). The toothed belt (54) is meshed and connected to the corresponding first gear (53). A plurality of cylinders (55) are equidistantly installed on the side surface of the toothed belt (54). The cylinder (55) is slidably connected to the corresponding chute (46). A plurality of supporting bars (56) are equidistantly installed between the two toothed belts (54). Two cylinders (55) are installed at both ends of each supporting bar (56). A resisting block (57) is installed in the middle of the outer side of three of the supporting bars (56).

8. The forming device for the refractory and flame-retardant ceramic composite material product according to claim 7, characterized in that: A sliding rod (61), a push rod (62) and a second spring (63) are installed in each cylinder (55). The sliding rod (61) and the push rod (62) are fixedly connected. The sliding rod (61) and the push rod (62) are elastically connected to the inside of the cylinder (55) through the second spring (63). Two drain doors (64) are rotatably connected to the supporting bar (56). Second gears (65) are installed at both ends of the drain door (64). A pair of toothed plates (66) and a pair of third springs (67) are installed inside both ends of the supporting bar (56). The toothed plate (66) is elastically connected to the inside of the supporting bar (56) through the corresponding third spring (67). The toothed plate (66) is meshed and connected to the corresponding second gear (65).

9. The forming device of the refractory and flame-retardant ceramic composite material product according to claim 6, wherein: A pair of wedge blocks (71) and a pair of fourth springs (72) are symmetrically installed inside the side beam (41). The wedge blocks (71) are elastically connected to the inside of the side beam (41) through the corresponding fourth springs (72). A rack bar (73) is fixed to the side surface of each wedge block (71). Two columns (74) are symmetrically installed inside the two ends of the side beam (41). The bottom end of the column (74) is rotatably connected to one end of a support plate (75). An ear (76) is installed at one end of the top surface of the support plate (75) close to the column (74). A lifting groove (77) is provided on the bottom surface of the side beam (41) close to the ear (76). The ear (76) is slidably connected to the corresponding lifting groove (77). A torsion spring (78) is installed at the bottom end of the column (74). The column (74) is elastically connected to the side beam (41) through the torsion spring (78). A third gear (79) and a fifth spring (791) are installed at the upper end of the column (74). The top end of the fifth spring (791) abuts against the top end of the column (74), and the bottom end of the fifth spring (791) abuts against the top surface of the third gear (79).

10. The forming device of the refractory and flame-retardant ceramic composite material product according to claim 9, characterized in that: A three-end frame (81) is installed inside the side beam (41). Two collar rings (82) are installed at two of the three ends of the three-end frame (81). The collar rings (82) are slidably connected to the column (74) between the torsion spring (78) and the third gear (79). The collar rings (82) abut against the bottom surface of the third gear (79).

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