CN117359754A - Isostatic pressing dry pressing forming system for ceramic tile production - Google Patents
Isostatic pressing dry pressing forming system for ceramic tile production Download PDFInfo
- Publication number
- CN117359754A CN117359754A CN202310818098.0A CN202310818098A CN117359754A CN 117359754 A CN117359754 A CN 117359754A CN 202310818098 A CN202310818098 A CN 202310818098A CN 117359754 A CN117359754 A CN 117359754A
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- Prior art keywords
- static pressure
- dry
- placing plate
- isostatic
- pressure cylinder
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- 239000000919 ceramic Substances 0.000 title claims abstract description 76
- 238000000462 isostatic pressing Methods 0.000 title claims abstract description 66
- 238000003825 pressing Methods 0.000 title claims abstract description 51
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 38
- 230000003068 static effect Effects 0.000 claims abstract description 189
- 238000001035 drying Methods 0.000 claims abstract description 41
- 230000007246 mechanism Effects 0.000 claims description 46
- 238000007599 discharging Methods 0.000 claims description 42
- 239000007788 liquid Substances 0.000 claims description 35
- 230000002706 hydrostatic effect Effects 0.000 claims description 15
- 239000003921 oil Substances 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 3
- 239000010720 hydraulic oil Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims 1
- 238000003837 high-temperature calcination Methods 0.000 abstract 1
- 238000005452 bending Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 239000006004 Quartz sand Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000003870 refractory metal Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/001—Applying decorations on shaped articles, e.g. by painting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
- B28B11/243—Setting, e.g. drying, dehydrating or firing ceramic articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
- B28B3/003—Pressing by means acting upon the material via flexible mould wall parts, e.g. by means of inflatable cores, isostatic presses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B5/00—Producing shaped articles from the material in moulds or on moulding surfaces, carried or formed by, in, or on conveyors irrespective of the manner of shaping
- B28B5/02—Producing shaped articles from the material in moulds or on moulding surfaces, carried or formed by, in, or on conveyors irrespective of the manner of shaping on conveyors of the endless-belt or chain type
- B28B5/021—Producing shaped articles from the material in moulds or on moulding surfaces, carried or formed by, in, or on conveyors irrespective of the manner of shaping on conveyors of the endless-belt or chain type the shaped articles being of definite length
- B28B5/022—Producing shaped articles from the material in moulds or on moulding surfaces, carried or formed by, in, or on conveyors irrespective of the manner of shaping on conveyors of the endless-belt or chain type the shaped articles being of definite length the moulds or the moulding surfaces being individual independant units and being discontinuously fed
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes
Abstract
The invention discloses an isostatic pressing dry-pressing forming system for ceramic tile production, which comprises a bottom plate, wherein a conveying device is fixedly arranged at the top of the bottom plate, a uniformly arranged placing plate is fixedly arranged on the surface of a conveying belt of the conveying device, and a blank blanking device, a dry-pressing forming device, an isostatic pressing forming device, a drying device and a surface texture printing device which are sleeved outside the conveying device and are sequentially arranged along the conveying direction of the conveying belt are arranged at the top of the bottom plate; the blank blanking device drops tile blanks onto the placing plate, the dry-press forming device carries out dry-press forming on the tile blanks, the isostatic pressing device receives tile blanks on the placing plate and applies static high pressure to obtain isostatic pressing tile blanks and outputs the isostatic pressing tile blanks to be placed back onto the same placing plate, the drying device is used for drying the isostatic pressing tile blanks on the placing plate, and the surface texture printing device is used for printing the surfaces of the dried tile blanks and then sending the tile blanks into a kiln along with the conveying device to carry out high-temperature calcination so as to form tiles.
Description
Technical Field
The invention relates to the technical field of ceramic tile processing, in particular to an isostatic pressing dry-pressing forming system for ceramic tile production.
Background
The ceramic tile is made of refractory metal oxide and semi-metal oxide, and through grinding, mixing, pressing, glazing and sintering, and is one kind of ceramic, stone, etc. with acid and alkali resistance. The raw materials are mostly mixed by clay and quartz sand after high temperature compression, and the like, and the high-hardness ceramic material has high hardness.
In the ceramic tile production and manufacturing process, a series of procedures such as pressing and drying (removing natural water in the blank) to print or glazing (forming unique textures) on the surface of the blank, high-temperature calcining in a kiln (generally not higher than 1250 ℃) cooling, polishing, trimming, flattening and the like are required to finish the production of the finished ceramic tile.
In order to improve the production efficiency of the tile production and manufacturing process, the current tile production adopts a pipeline operation to automatically transfer blanks to each device through a conveying device to execute corresponding operations, for example, chinese patent with application number 202110096726.X discloses a tile processing device and chinese patent with application number 202010669067.X discloses a ceramic tile production and forming device.
The inventor finds that in order to adopt the flow line production, the existing ceramic tile production forming equipment only adopts a dry pressing forming device to directly perform one-time pressing forming on blanks on a conveyor belt of a conveying device, and does not adopt an isostatic pressing forming device which has a relatively complex structure and is difficult to add into the flow line operation. However, the performance of the ceramic tile formed by one-time pressing by the dry pressing device is obviously reduced, which is unfavorable for improving the density, the bending strength and the like of the sintered body of the ceramic tile.
Disclosure of Invention
The invention aims to provide an isostatic dry pressing forming system for ceramic tile production, which can effectively solve the technical problems in the prior art.
In order to achieve the above object, an embodiment of the present invention provides an isostatic dry pressing forming system for tile production, including a bottom plate, wherein a conveying device is fixedly installed at the top of the bottom plate, a uniformly arranged placing plate is fixedly installed on the surface of a conveying belt of the conveying device, and a blank blanking device, a dry pressing forming device, an isostatic pressing device, a drying device and a surface texture printing device which are sleeved outside the conveying device and are sequentially arranged along the conveying direction of the conveying belt are installed at the top of the bottom plate;
the blank blanking device is used for dropping tile blanks onto the placing plate, the dry-press forming device is used for carrying out dry-press forming on the tile blanks on the placing plate to obtain dry-press formed tile blanks, the isostatic pressing device is used for receiving the dry-pressed tile blanks on the placing plate and applying static high pressure to obtain isostatic pressed tile blanks and outputting the isostatic pressed tile blanks to be placed back on the same placing plate, the drying device is used for drying the isostatic pressed tile blanks on the placing plate to obtain dried tile blanks, the surface texture printing device is used for printing the surfaces of the dried tile blanks on the placing plate, and the tile blanks after printing are sent into a kiln along with the conveying device to be calcined at high temperature to form tiles;
the isostatic pressing device comprises a frame, a lifting mechanism, a static pressure cylinder, a lifting oil cylinder, a feeding movable plug, a discharging movable plug, a pushing tool and a high-pressure liquid supply mechanism; the lifting mechanism is connected with the frame to move the frame up and down; the static pressure cylinder is a plate-shaped hollow body horizontally and transversely arranged in the rack, and openings at two ends of the static pressure cylinder are used for accommodating high-pressure liquid and the dry-pressed ceramic tile blank; the movable end of the lifting oil cylinder is connected with the static pressure cylinder; the feeding movable plug and the discharging movable plug are respectively arranged to be movably opened or plugged at openings at two ends of the static pressure cylinder to form a closed static pressure cavity; the high-pressure liquid supply mechanism is communicated with the static pressure cavity;
in the ceramic tile production process, after the isostatic pressing device finishes receiving the static pressure of the last ceramic tile blank in the static pressure cylinder, the feeding movable plug and the discharging movable plug are opened, the lifting mechanism controls the rack to move downwards to be close to the surface of the conveying belt but not to interfere, the static pressure cylinder is moved by the lifting oil cylinder to enable the static pressure cavity of the static pressure cylinder to be in the same horizontal plane with the current ceramic tile blank to be static pressure on the placing plate, the current ceramic tile blank to be static pressure is pushed into the static pressure cavity of the static pressure cylinder by the pushing tool, and the current ceramic tile blank to be static pressure pushes the last ceramic tile blank with the completion static pressure in the static pressure cylinder to move forwards in the process of entering the static pressure cavity of the static pressure cylinder to be pushed out and completely fall back to the placing plate arranged on one side of the discharging end of the static pressure cylinder, and at this time, the process is implemented:
firstly, moving and resetting the static pressure cylinder through the lifting oil cylinder, and then respectively plugging the feeding movable plug and the discharging movable plug at the openings at the two ends of the static pressure cylinder to form a closed static pressure cavity, and injecting high-pressure liquid into the static pressure cavity to carry out static high pressure on the ceramic tile blank to be subjected to static pressure;
the second operation is that after the lifting mechanism controls the rack to move upwards by a preset height, the conveying device is driven to enable the conveying belt to drive the placing plate to move, so that the placing plate on one side of the discharging end of the static pressure cylinder bears the last ceramic tile blank subjected to static pressure to reach the lower part of the drying device, the placing plate originally bearing the ceramic tile blank to be subjected to static pressure at present is enabled to reach one side of the discharging end of the static pressure cylinder from one side of the feeding end of the static pressure cylinder, and the placing plate bearing the ceramic tile blank to be subjected to static pressure at the next is enabled to reach one side of the feeding end of the static pressure cylinder from the lower part of the dry pressure forming device; wherein the preset height is greater than the thickness of the placement plate.
Preferably, the first operation and the second operation are performed not separately and may be performed simultaneously.
Preferably, the placing plates are uniformly arranged, and the distance between two adjacent placing plates is L; the distance from one side of the feeding end of the static pressure cylinder to one side of the discharging end of the static pressure cylinder is L1, wherein L1 is less than or equal to L.
Preferably, the blank blanking device, the dry pressing device, the drying device and the surface texture printing device are arranged so that the positions of the blank blanking device, the dry pressing device, the drying device and the surface texture printing device meet the following conditions: when two arbitrary adjacent placing plates are respectively arranged on one side of the feeding end of the static pressure cylinder and one side of the discharging end of the static pressure cylinder, one placing plate is respectively corresponding to the lower parts of the blank blanking device, the dry pressing forming device, the drying device and the surface texture printing device.
Preferably, the height of the static pressure cavity of the static pressure cylinder is H, and the thickness of the ceramic tile blank to be static pressure is H, wherein H is less than H and less than 2H.
Preferably, the blank blanking device, the dry pressing device, the isostatic pressing device, the drying device and the surface texture printing device are connected and mounted on the bottom plate through a bracket.
Preferably, the dry press forming device, the isostatic pressing device, the drying device and the surface texture printing device share the lifting mechanism, and the dry press forming device, the isostatic pressing device, the drying device and the surface texture printing device move upwards or downwards at the same time under the action of the lifting mechanism.
Preferably, the high-pressure liquid supply mechanism is connected with the feeding movable plug and the discharging movable plug through liquid flow pipelines respectively, and the high-pressure liquid input by the high-pressure liquid supply mechanism through the liquid flow pipelines is hydraulic oil or water.
Preferably, the press plate of the dry press forming device and the print head of the surface texture printing device are located on the same horizontal plane.
Compared with the prior art, the isostatic pressing system for ceramic tile production provided by the embodiment of the invention is characterized in that an isostatic pressing device is added on an automatic production line, and comprises a frame, a lifting mechanism, a static pressure cylinder, a lifting oil cylinder, a feeding movable plug, a discharging movable plug, a pushing tool and a high-pressure liquid supply mechanism; the lifting mechanism is connected with the frame to move the frame up and down; the static pressure cylinder is a plate-shaped hollow body horizontally and transversely arranged in the rack, and openings at two ends of the static pressure cylinder are used for accommodating high-pressure liquid and the dry-pressed ceramic tile blank; the movable end of the lifting oil cylinder is connected with the static pressure cylinder; the feeding movable plug and the discharging movable plug are respectively arranged to be movably opened or plugged at openings at two ends of the static pressure cylinder to form a closed static pressure cavity; the high-pressure liquid supply mechanism is communicated with the static pressure cavity; in the ceramic tile production process, after the isostatic pressing device finishes receiving the static pressure of the last ceramic tile blank in the static pressure cylinder, opening the feeding movable plug and the discharging movable plug, controlling the rack to move downwards through the lifting mechanism to be close to the surface of the conveying belt but not to interfere, moving the static pressure cylinder through the lifting oil cylinder to enable a static pressure cavity of the static pressure cylinder to be in the same level with the current ceramic tile blank to be static pressure on the placing plate, pushing the current ceramic tile blank to be static pressure into the static pressure cavity of the static pressure cylinder through the pushing tool, pushing the last ceramic tile blank to be static pressure in the static pressure cylinder to move forwards to push out and completely fall back to the placing plate arranged on one side of the discharging end of the static pressure cylinder in the static pressure cavity process, executing operation one, respectively plugging the feeding movable plug and the discharging movable plug at the openings at the two ends of the static pressure cylinder after the static pressure cylinder is moved and restored through the lifting oil cylinder, and injecting high-pressure liquid into the static pressure cavity to carry out high-pressure on the current ceramic tile blank to be static pressure; and secondly, controlling the rack to move upwards by a preset height through the lifting mechanism, driving the conveying device to enable the conveying belt to drive the placing plate to move, so that the placing plate on one side of the discharging end of the static pressure cylinder bears the last ceramic tile blank subjected to static pressure to reach the lower part of the drying device, enabling the placing plate originally bearing the current ceramic tile blank to be subjected to static pressure to reach one side of the discharging end of the static pressure cylinder from one side of the feeding end of the static pressure cylinder, and enabling the placing plate bearing the next ceramic tile blank to be subjected to static pressure to reach one side of the feeding end of the static pressure cylinder from the lower part of the dry pressure forming device. Therefore, the dry pressing combined isostatic pressing ceramic tile blank is beneficial to improving the ceramic tile blank density, sintered body density, bending strength and the like of the ceramic tile, thereby improving the ceramic tile performance.
Drawings
In order to more clearly illustrate the technical solutions of the present invention, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of an isostatic dry pressing system for ceramic tile production according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of an isostatic pressing device of an isostatic pressing system for ceramic tile production according to an embodiment of the invention.
Fig. 3, fig. 4, fig. 5, and fig. 6a to fig. 6b are schematic flow diagrams of an isostatic pressing operation performed by using the isostatic pressing device of the isostatic pressing system for ceramic tile production provided by the embodiment of the invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may communicate with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Referring to fig. 1, an embodiment of the invention provides an isostatic dry pressing forming system 100 for ceramic tile production, which comprises a bottom plate 1, wherein a conveying device 11 is fixedly arranged at the top of the bottom plate 1, and a placing plate 12 which is uniformly arranged is fixedly arranged on the surface of a conveying belt 111 of the conveying device 11. The top of the bottom plate 1 is provided with a blank blanking device 2, a dry pressing device 3, an isostatic pressing device 4, a drying device 5 and a surface texture printing device 6 which are sleeved outside the conveying device 11 and are sequentially arranged along the conveying direction of the conveying belt 111 (shown by an arrow A1 direction in fig. 1).
The blank blanking device 2 is used for dropping tile blanks onto the placing plate 121, the dry press forming device 3 is used for dry press forming the tile blanks on the placing plate 122 to obtain dry press formed tile blanks, the isostatic press forming device 4 is used for receiving the dry pressed tile blanks on the placing plate 123/124 and applying static high pressure to obtain isostatic press formed tile blanks and outputting the isostatic press formed tile blanks to be placed back on the same placing plate 123/124. For example, as shown in fig. 1, the tile blank originally placed on the placement plate 124 is currently received by the isostatic pressing device 4 and is subjected to isostatic pressing, and after the isostatic pressing device 4 completes isostatic pressing on the tile blank, the tile blank is output and placed back on the placement plate 124. The drying device 5 is used for drying the isostatic pressing ceramic tile blank on the placing plate 125 to obtain a dried ceramic tile blank, the surface texture printing device 6 is used for printing the surface of the dried ceramic tile blank on the placing plate 126, and the ceramic tile blank after printing is sent into a kiln along with the conveying device 11 to be calcined at high temperature to form ceramic tiles.
In this embodiment, the placement plates 12 are uniformly arranged, and the interval between two adjacent placement plates 12 is L (as shown in fig. 1). The blank blanking device 2, the dry pressing device 3, the isostatic pressing device 4, the drying device 5 and the surface texture printing device 6 which are sequentially arranged are arranged, so that the positions of the blank blanking device, the dry pressing device, the isostatic pressing device, the drying device and the surface texture printing device meet the following conditions: when any two adjacent placing plates 12 are respectively placed (reached) on the front side and the rear side of the isostatic pressing device 4, one placing plate is respectively arranged below the blank blanking device 2, the dry pressing device 3, the drying device 5 and the surface texture printing device 6. For example, as shown in fig. 1, 6 placing plates 12 are fixedly placed in sequence along the conveying direction of the conveying belt 111, for convenience of description and better expression of the production process of this embodiment, it is set that 6 placing plates 12 are respectively a placing plate 121, a placing plate 122, a placing plate 123, a placing plate 124, a placing plate 125, and a placing plate 126, a distance between any two adjacent placing plates 12 is L, and when the two placing plates are respectively placed (reached) in front of and behind the isostatic pressing device 4 (the front and rear sides refer to the conveying direction of the conveying belt 111, for example, the placing plate 124 is located at the front side of the isostatic pressing device 4, and the placing plate 123 is located at the rear side of the isostatic pressing device 4), the other placing plates 121, the placing plates 122, the placing plates 125, and the placing plates 126 are respectively located under the blank blanking device 2, the dry pressing device 3, the drying device 5, and the surface texture printing device 6. Wherein, the distance between the front side and the rear side of the isostatic pressing device 4 is L1, wherein L1 is less than or equal to L, so that the isostatic pressing device 4 can move up and down between the placing plate 124 and the placing plate 123 to facilitate the receiving of the ceramic tile blank to be static pressure and the output of the ceramic tile blank to complete static pressure.
Next, the structure of the isostatic pressing device 4 disclosed in the embodiment of the invention will be further described in detail with reference to fig. 2. As shown in fig. 2, the isostatic pressing device 4 includes a frame 41, a lifting mechanism (not shown), a hydrostatic cylinder 42, a lift cylinder 43, a feed movable plug 44, a discharge movable plug 45, a pushing tool (not shown), and a high-pressure liquid supply mechanism 46. The lifting mechanism is connected to the frame 41 to move the frame up and down. The hydrostatic cylinders 42 are plate-shaped hollow bodies horizontally and transversely arranged in the frame, and the openings at two ends of the hydrostatic cylinders are used for containing high-pressure liquid and the dry-pressed ceramic tile blanks. Specifically, the frame 41 is provided with a hollow cavity 410, and the hydrostatic cylinder 42 is disposed in the hollow cavity 410. The movable end of the lift cylinder 43 (a plurality of lift cylinders may be provided) is connected to the hydrostatic cylinder 42. The hydrostatic cylinder 42 is movable up and down within the height of the hollow cavity 410 of the frame 41 by a lift cylinder 43. The feeding movable plug 44 and the discharging movable plug 45 are respectively provided with a static pressure cavity 420 which can be movably opened or plugged at the openings at the two ends of the static pressure cylinder 42 to form a closed static pressure. The high pressure fluid supply mechanism 46 communicates with the hydrostatic chamber 420. Specifically, the high-pressure liquid supply mechanism 46 is connected to the feeding movable plug 44 and the discharging movable plug 45 through a liquid flow pipe 461, respectively, and the high-pressure liquid input by the high-pressure liquid supply mechanism 46 to the static pressure chamber 420 of the static pressure cylinder 42 through the liquid flow pipe 461 is hydraulic oil or water.
Referring to fig. 3, 4, 5 and 6 a-6 b, in the course of tile production, after the isostatic pressing device completes the static pressure of the last tile blank (here indicated as a completed static tile blank) received in the static pressure cylinder, the feeding movable plug 44 and the discharging movable plug 45 are opened, the frame is controlled to move downwards by the lifting mechanism to a position close to the surface of the conveyor belt but not interfering with the same, as shown in fig. 3, the static pressure cylinder 42 is moved by the lifting cylinder 43 to enable the static pressure cavity 420 to be in the same level as the current tile blank to be placed on the placing plate 123, the current tile blank to be placed on the placing plate 123 is pushed into the static pressure cavity 420 of the static pressure cylinder 42 by the pushing tool, the current tile blank to be static pressure in the static pressure cylinder is pushed forward during the process of entering the static pressure cavity 420 of the static pressure cylinder 42 to push the completed tile blank (as shown in fig. 4) and completely fall back onto the placing plate 124 (as shown in fig. 3) placed on one side of the discharging end of the static pressure cylinder, the current tile blank to be placed back into the static pressure cavity 420 can be understood by the pushing tool, and the current tile blank to be placed back into the static pressure cavity to be completely placed by the static pressure cylinder can be completely placed into the static pressure cavity 420 by means of the pushing tool. In this way, the tile blank after the static pressure has been completed falls completely back to the placing plate 124 placed on the side of the discharge end of the static pressure cylinder, whereas the tile blank currently to be static pressure, originally placed on the placing plate 123, completely enters the static pressure chamber 420 of the static pressure cylinder 42 to wait for the isostatic pressing process to be performed.
At this time, the following operations are performed:
after the first operation and the return of the static pressure cylinder 42 (the position where the static pressure cylinder can be in matched connection with the feeding movable plug 44 and the discharging movable plug 45) are moved through the lifting cylinder 43, the feeding movable plug 44 and the discharging movable plug 45 are respectively plugged at the openings at the two ends of the static pressure cylinder 42 to form a closed static pressure cavity 420, and high-pressure liquid is injected into the static pressure cavity 420 through the high-pressure liquid supply mechanism 46 so as to perform static high pressure on the ceramic tile blank to be static pressure currently.
After the second operation and the control of the lifting mechanism to move the frame up to the preset height G1 (as shown in fig. 6 a), the conveying device 11 is driven to move the placing plate 111 (as shown in fig. 6B, the moving direction is shown by arrow B1 in fig. 6B), so that the placing plate 124 on one side of the discharging end of the static pressure cylinder (i.e. the front side of the isostatic pressing device 4) carries the last tile blank after completing static pressure to reach the lower side of the drying device 5, the placing plate 123 originally carrying the tile blank to be currently static pressure comes from one side of the feeding end of the static pressure cylinder (i.e. the rear side of the isostatic pressing device 4) to one side of the discharging end of the static pressure cylinder (i.e. the front side of the isostatic pressing device 4), and the placing plate 122 carrying the next tile blank to be static pressure comes from the drying device 5The lower position of the dry press forming device 3 comes to one side of the feeding end of the static pressure cylinder (namely the rear side of the isostatic press forming device 4); wherein the preset height G1 is greater than the thickness H of the placing plate 0 (as shown in figure 6 a).
In this way, the above operation is cyclically carried out, so that the isostatic pressing treatment of each tile blank to be hydrostatic pressed is realized. It will be appreciated that the above-described operations one and two are not performed sequentially and may be performed simultaneously.
Further, as shown in fig. 3, in this embodiment, the height of the hydrostatic cavity 420 of the hydrostatic cylinder 42 is H, and the thickness of the tile blank to be hydrostatic is H, where H < 2H.
It can be appreciated that in this embodiment, the specific structures of the blank blanking device 2, the dry pressing device 3, the drying device 5 and the surface texture printing device 6 may be existing structures familiar to those in the art, for example, a ceramic tile processing device disclosed in chinese patent with application No. 202110096726.X or a ceramic tile production forming device disclosed in chinese patent with application No. 202010669067.X may be adopted, so that corresponding functions may be implemented, which is not limited herein.
It will be appreciated that in this embodiment, the blank blanking device 2, the dry pressing device 3, the isostatic pressing device 4, the drying device 5 and the surface texture printing device 6 may share the lifting mechanism, and the dry pressing device 3, the isostatic pressing device 4, the drying device 5 and the surface texture printing device 6 simultaneously move upwards or downwards by the lifting mechanism by the preset height G1, so as to achieve the corresponding functions, and it may be appreciated that by setting the distance differences between the dry pressing device 3, the isostatic pressing device 4, the drying device 5 and the surface texture printing device 6 and the placing plate on the conveyor belt 111 in the height direction so as to satisfy the above operations. In addition, the lifting mechanism controls the frame of the isostatic pressing device 4 to move downwards by a preset height G1 to a time difference between the lifting mechanism and the frame of the isostatic pressing device 4 to move upwards by the preset height G1, and the dry pressing device 3, the drying device 5 and the surface texture printing device 6 are controlled to enable the dry pressing device 3, the drying device 5 and the surface texture printing device 6 to finish corresponding operations within the time difference, namely, corresponding operations such as dry pressing tile blanks on the placing plate 122 to obtain dry pressed tile blanks, drying the isostatic pressed tile blanks on the placing plate 125 to obtain dried tile blanks, printing the dried tile blanks on the surface of the tile blanks on the placing plate 126 to obtain printed tile blanks and the like.
Preferably, the compacting plate of the dry press forming device 3 and the printing head of the surface texture printing device 5 are positioned on the same horizontal plane, so that the preset height G1 is moved upwards or downwards under the action of the lifting mechanism, thereby realizing corresponding functions.
In summary, according to the isostatic dry pressing system 100 for ceramic tile production provided by the embodiment of the invention, the isostatic pressing device 4 is added on an automatic production line, and the isostatic pressing device comprises a frame 41, a lifting mechanism, a static cylinder 42, a lifting cylinder 43, a feeding movable plug 44, a discharging movable plug 45, a pushing tool and a high-pressure liquid supply mechanism 46; the lifting mechanism is connected with the frame 41 to move the frame 41 up and down; the static pressure cylinder 42 is a plate-shaped hollow body horizontally and transversely arranged in the frame 41, and the openings at two ends of the static pressure cylinder are used for accommodating high-pressure liquid and the dry-pressed ceramic tile blank; the movable end of the lifting cylinder 43 is connected with the static pressure cylinder 42; the feeding movable plug 44 and the discharging movable plug 45 are respectively arranged to be movably opened or plugged at the openings at the two ends of the static pressure cylinder 42 to form a closed static pressure cavity 420; the high pressure liquid supply mechanism 46 communicates with the hydrostatic chamber 420; in the tile production process, after the isostatic pressing device 4 finishes receiving the static pressure of the last tile blank in the static pressure cylinder 42, the feeding movable plug 44 and the discharging movable plug 45 are opened, the lifting mechanism controls the rack 41 to move downwards to be close to the surface of the conveying belt 111 but not to be in an interference position, the static pressure cylinder 42 is moved by the lifting oil cylinder 43 to enable the static pressure cavity 420 to be in the same level with the current tile blank to be static pressure on the placing plate 12, the current tile blank to be static pressure is pushed into the static pressure cavity 420 of the static pressure cylinder 42 by the pushing tool, and the last tile blank completing the static pressure in the static pressure cylinder 42 is pushed forwards to be pushed out and completely fall back onto the placing plate 12 arranged on one side of the discharging end of the static pressure cylinder in the process of entering the static pressure cavity 420, at this time, the following steps are performed: firstly, moving the static pressure cylinder 42 to return to the original position through the lifting oil cylinder 43, and then respectively plugging the feeding movable plug 44 and the discharging movable plug 45 at the openings at the two ends of the static pressure cylinder 42 to form a closed static pressure cavity 420, and injecting high-pressure liquid into the static pressure cavity 420 to carry out static high pressure on the ceramic tile blank to be subjected to static pressure; and secondly, after the frame 41 is controlled to move upwards by a preset height through the lifting mechanism, the conveying device 11 is driven to enable the conveying belt 111 to drive the placing plate 12 to move, so that the placing plate 12 on one side of the discharging end of the static pressure cylinder bears the last tile blank subjected to static pressure to reach the lower part of the drying device 5, the placing plate 12 originally bearing the tile blank to be static pressure at present is enabled to come to one side of the discharging end of the static pressure cylinder from one side of the feeding end of the static pressure cylinder, and the placing plate 12 bearing the tile blank to be static pressure at next is enabled to come to one side of the feeding end of the static pressure cylinder from the lower part of the dry pressure forming device 3. Therefore, the dry pressing combined isostatic pressing ceramic tile blank is beneficial to improving the ceramic tile blank density, sintered body density, bending strength and the like of the ceramic tile, thereby improving the ceramic tile performance.
The foregoing disclosure is only illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, as it is understood by those skilled in the art that all or part of the above-described embodiments may be practiced without resorting to the equivalent thereof, which is intended to fall within the scope of the invention as defined by the appended claims.
Claims (9)
1. The isostatic pressing dry-pressing forming system for ceramic tile production is characterized by comprising a bottom plate, wherein a conveying device is fixedly arranged at the top of the bottom plate, a uniformly arranged placing plate is fixedly arranged on the surface of a conveying belt of the conveying device, and a blank blanking device, a dry-pressing forming device, an isostatic pressing device, a drying device and a surface texture printing device which are sleeved outside the conveying device and are sequentially arranged along the conveying direction of the conveying belt are arranged at the top of the bottom plate;
the blank blanking device is used for dropping tile blanks onto the placing plate, the dry-press forming device is used for carrying out dry-press forming on the tile blanks on the placing plate to obtain dry-press formed tile blanks, the isostatic pressing device is used for receiving the dry-pressed tile blanks on the placing plate and applying static high pressure to obtain isostatic pressed tile blanks and outputting the isostatic pressed tile blanks to be placed back on the same placing plate, the drying device is used for drying the isostatic pressed tile blanks on the placing plate to obtain dried tile blanks, the surface texture printing device is used for printing the surfaces of the dried tile blanks on the placing plate, and the tile blanks after printing are sent into a kiln along with the conveying device to be calcined at high temperature to form tiles;
the isostatic pressing device comprises a frame, a lifting mechanism, a static pressure cylinder, a lifting oil cylinder, a feeding movable plug, a discharging movable plug, a pushing tool and a high-pressure liquid supply mechanism; the lifting mechanism is connected with the frame to move the frame up and down; the static pressure cylinder is a plate-shaped hollow body horizontally and transversely arranged in the rack, and openings at two ends of the static pressure cylinder are used for accommodating high-pressure liquid and the dry-pressed ceramic tile blank; the movable end of the lifting oil cylinder is connected with the static pressure cylinder; the feeding movable plug and the discharging movable plug are respectively arranged to be movably opened or plugged at openings at two ends of the static pressure cylinder to form a closed static pressure cavity; the high-pressure liquid supply mechanism is communicated with the static pressure cavity;
in the ceramic tile production process, after the isostatic pressing device finishes receiving the static pressure of the last ceramic tile blank in the static pressure cylinder, the feeding movable plug and the discharging movable plug are opened, the lifting mechanism controls the rack to move downwards to be close to the surface of the conveying belt but not to interfere, the static pressure cylinder is moved by the lifting oil cylinder to enable the static pressure cavity of the static pressure cylinder to be in the same horizontal plane with the current ceramic tile blank to be static pressure on the placing plate, the current ceramic tile blank to be static pressure is pushed into the static pressure cavity of the static pressure cylinder by the pushing tool, and the current ceramic tile blank to be static pressure pushes the last ceramic tile blank with the completion static pressure in the static pressure cylinder to move forwards in the process of entering the static pressure cavity of the static pressure cylinder to be pushed out and completely fall back to the placing plate arranged on one side of the discharging end of the static pressure cylinder, and at this time, the process is implemented:
firstly, moving and resetting the static pressure cylinder through the lifting oil cylinder, and then respectively plugging the feeding movable plug and the discharging movable plug at the openings at the two ends of the static pressure cylinder to form a closed static pressure cavity, and injecting high-pressure liquid into the static pressure cavity to carry out static high pressure on the ceramic tile blank to be subjected to static pressure;
the second operation is that after the lifting mechanism controls the rack to move upwards by a preset height, the conveying device is driven to enable the conveying belt to drive the placing plate to move, so that the placing plate on one side of the discharging end of the static pressure cylinder bears the last ceramic tile blank subjected to static pressure to reach the lower part of the drying device, the placing plate originally bearing the ceramic tile blank to be subjected to static pressure at present is enabled to reach one side of the discharging end of the static pressure cylinder from one side of the feeding end of the static pressure cylinder, and the placing plate bearing the ceramic tile blank to be subjected to static pressure at the next is enabled to reach one side of the feeding end of the static pressure cylinder from the lower part of the dry pressure forming device; wherein the preset height is greater than the thickness of the placement plate.
2. The isostatic dry-pressing system for tile production as claimed in claim 1, wherein the first operation and the second operation are performed separately and simultaneously.
3. The isostatic dry pressing system for ceramic tile production as claimed in claim 1, wherein the placing plates are uniformly arranged, and the interval between two adjacent placing plates is L; the distance from one side of the feeding end of the static pressure cylinder to one side of the discharging end of the static pressure cylinder is L1, wherein L1 is less than or equal to L.
4. The isostatic dry-pressing system for tile production according to claim 3, wherein the blank blanking device, the dry-pressing device, the isostatic pressing device, the drying device and the surface texture printing device are arranged so that the positions thereof meet the following conditions: when two arbitrary adjacent placing plates are respectively arranged on one side of the feeding end of the static pressure cylinder and one side of the discharging end of the static pressure cylinder, one placing plate is respectively corresponding to the lower parts of the blank blanking device, the dry pressing forming device, the drying device and the surface texture printing device.
5. The isostatic dry-pressing system for tile production according to claim 1, wherein the height of the hydrostatic cavity of the hydrostatic cylinder is H, and the thickness of the tile blank to be hydrostatic is H, wherein H < 2H.
6. The isostatic dry-pressing system for tile production as claimed in claim 1, wherein the blank blanking device, the dry-pressing device, the isostatic pressing device, the drying device and the surface texture printing device are connected and mounted on the bottom plate through a bracket.
7. The isostatic dry-pressing system as claimed in claim 4, wherein the lifting mechanism is shared by the dry-pressing device, the isostatic pressing device, the drying device and the surface texture printing device, and the dry-pressing device, the isostatic pressing device, the drying device and the surface texture printing device move upwards or downwards at the same time under the action of the lifting mechanism.
8. The isostatic dry-pressing molding system for tile production according to claim 1, wherein the high-pressure liquid supply mechanism is connected with the feeding movable plug and the discharging movable plug through liquid flow pipelines respectively, and the high-pressure liquid input by the high-pressure liquid supply mechanism through the liquid flow pipelines is hydraulic oil or water.
9. The isostatic dry-pressing system as claimed in claim 1, wherein the press plate of the dry-pressing device and the print head of the surface texture printing device are located on the same horizontal plane.
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| CN202310818098.0A CN117359754B (en) | 2023-07-04 | 2023-07-04 | Isostatic pressing dry pressing forming system for ceramic tile production |
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| CN117359754B (en) | 2024-04-02 |
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