CN115026925B - Method for manufacturing rare earth tailing dry-pressed brick - Google Patents
Method for manufacturing rare earth tailing dry-pressed brick Download PDFInfo
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- CN115026925B CN115026925B CN202210757951.8A CN202210757951A CN115026925B CN 115026925 B CN115026925 B CN 115026925B CN 202210757951 A CN202210757951 A CN 202210757951A CN 115026925 B CN115026925 B CN 115026925B
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- brick
- blanking
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- plate
- sliding groove
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- 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
- B28B3/02—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form
- B28B3/04—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form with one ram per mould
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- 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
- B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
- B28B13/04—Discharging the shaped articles
- B28B13/06—Removing the shaped articles from moulds
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- 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
- B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
- B28B17/02—Conditioning the material prior to shaping
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
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- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Abstract
The invention provides a method for manufacturing a rare earth tailing dry-pressed brick, which relates to the technical field of dry-pressed bricks and comprises the following steps of S1: coarse material processing, S2: brick material mixing, S3: material mixing and die pressing, S4: the method comprises the steps of processing and screening the rare earth tailings, mixing the rare earth tailings with other materials, placing the mixture in pressing equipment for pressing, and standing for use.
Description
Technical Field
The invention relates to the technical field of dry pressed bricks, in particular to a method for manufacturing a rare earth tailing dry pressed brick.
Background
The tailings can be utilized by a sand making machine and sand making equipment in a concentrating mill under specific economic and technical conditions. The solid waste discharged after the ore is ground and useful components are selected is an important source for environmental pollution caused by mining development, particularly metal ore development. Discarding the tailings not only needs to occupy a large amount of land and causes great damage to the surrounding ecological environment, but also needs to invest respective treatment and maintenance costs.
The waste materials produced by the rare earth ores are too few in mineral substances and have no value of deep processing, and can be discarded, and the waste materials are concentrated and pressed as brick materials, so that the waste materials can be effectively utilized.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a method for manufacturing rare earth tailings dry-pressed bricks, which solves the problems that the waste materials produced by the existing rare earth ores are discarded because the waste materials are too few and have no deep processing value, the waste materials are concentrated and are used as brick materials for pressing, the waste materials can be effectively utilized, and the sand materials are scattered in the existing dry-pressed brick manufacturing equipment, so that the manufacturing efficiency is too low, the mass production is difficult, and the development of an environment-friendly process is hindered.
In order to achieve the purpose, the invention is realized by the following technical scheme: a method for manufacturing a rare earth tailing dry pressed brick comprises the following specific operation steps:
s1: the method comprises the following steps of (1) processing coarse materials, namely grinding the coarse materials of the rare earth tailings, screening, and screening the rare earth tailings into two materials of 80-100 meshes and 100-250 meshes;
s2: mixing bricks, namely mixing the required materials according to the following mass part ratio: the cement-based cement mortar comprises 30-40 parts of 80-100 meshes, 20-30 parts of 100-250 meshes, 10-20 parts of sand and stone materials, 8-12 parts of cement, 2-7 parts of fly ash, 3-6 parts of steelmaking waste residues, 4-8 parts of red mud, 10-15 parts of triethanolamine, 8-12 parts of potassium chloride, 9-13 parts of water and 2-5 parts of a curing agent, wherein the mixed materials are required to be used within 6-8 hours and used as wastes after expiration;
s3: mixing materials and molding, namely putting the mixed materials into a mold one by one according to the size of a brick shape, and sequentially passing through a pressing device, wherein the pressing pressure of the pressing device is in the range of 2-3 MPa;
s4: and (4) forming at constant temperature, namely intensively placing the wet bricks after dry pressing in a constant temperature box for drying in the shade for 7-14 days, wherein the interval between the wet bricks is 1-2 cm, and the wet bricks can be used after the moisture in the wet bricks is completely evaporated.
Preferably, the pressing equipment comprises an equipment base, an equipment mounting bottom plate is integrally arranged in the middle of the equipment base, a brick support assembly is fixedly mounted at the upper end of the equipment mounting bottom plate, and four lifting cylinders are fixedly mounted at the upper end of the equipment mounting bottom plate;
equipment base upper end four corners department homogeneous is connected with the equipment support frame, two on the same end the equal fixed mounting in equipment support frame upper end has the equipment crossbeam, equipment crossbeam upper end fixed mounting has sliding tray drive assembly, fixed mounting has sliding template slip track in the sliding tray drive assembly, it is provided with the pressure brick sliding template subassembly to slide on the sliding template slip track.
Preferably, lifting cylinder fixing plates are fixedly mounted on two sides of the sliding groove driving assembly in an integrated manner, and the two lifting cylinder fixing plates are fixedly connected with two lifting cylinders on the same side;
the brick pressing device is characterized in that a brick pressing cylinder mounting plate is fixedly mounted at the output end of the lifting cylinder, a brick pressing cylinder is fixedly mounted on the brick pressing cylinder mounting plate, a brick pressing head mounting plate is fixedly connected to the lower end of the output end of the brick pressing cylinder, and a brick pressing head is fixedly connected to the lower end of the brick pressing mounting plate.
Preferably, a feeding cylinder is fixedly mounted on the brick pressing cylinder mounting plate and located on one side of the brick pressing cylinder, a packing hopper is fixedly mounted at the lower end of the feeding cylinder, and the lower end of the packing hopper is slidably arranged on the upper surface of the brick pressing sliding template assembly.
Preferably, the brick resisting component comprises: the automatic blanking device comprises a cylinder shell, a brick-supporting plate cylinder, a brick-supporting bottom plate connecting angle iron, a brick-supporting bottom plate, a brick-supporting plate, a blanking limiting chute, a blanking lifting cylinder, a blanking supporting plate rotating base, a blanking supporting plate telescopic table, a blanking supporting plate, a blanking alternate limiting seat, a blanking limiting hexagonal hole, a blanking hexagonal head, a rotating motor and a hexagonal head base;
the surface of the upper end of the equipment mounting bottom plate is fixedly provided with an air cylinder shell, a brick-supporting plate air cylinder is fixedly arranged in the air cylinder shell, the upper end of the output end of the brick-supporting plate air cylinder is fixedly provided with a brick-supporting bottom plate connecting angle iron, the upper end of the brick-supporting bottom plate is fixedly provided with a brick-supporting bottom plate, and the upper end of the brick-supporting bottom plate is integrally provided with a brick-supporting plate;
the lower end of one end of the brick supporting bottom plate is integrally and fixedly connected with a blanking plate, a blanking limiting chute is formed in the side face of the blanking plate, a blanking lifting cylinder is fixedly mounted on the inner side of the blanking plate, the lower end of the output end of the blanking lifting cylinder is fixedly connected with a blanking supporting plate rotating base, blanking supporting plate telescopic tables are fixedly mounted on the upper end surface of the blanking supporting plate rotating base and positioned on two sides of the blanking lifting cylinder, and blanking supporting plates are fixedly mounted at the upper ends of the two blanking supporting plate telescopic tables;
the lower end of the blanking supporting plate rotating base is fixedly provided with a blanking alternate limiting seat, the blanking alternate limiting seat is provided with a blanking limit hexagonal hole, a blanking hexagonal head is arranged below the blanking limit hexagonal hole, the lower end of the blanking hexagonal head is fixedly connected with a hexagonal head base, and the lower end of the hexagonal head base is provided with a rotating motor.
Preferably, the rotating motor is fixedly installed on the equipment base, and an output shaft of the rotating motor is coaxially and fixedly connected with the hexagonal head base.
Preferably, the sliding groove driving assembly includes: the device comprises a driving shell, a sliding groove limiting slide way, a conveying through groove, a conveying motor, a rotary mounting seat, a rotary shaft, a conveying turntable, a transmission belt, a driving rod mounting side plate and a driving rod;
the device comprises a device beam, a driving shell, a sliding groove limiting slide way, two conveying through grooves, two rotating installation seats, a rotating shaft, a conveying turntable, a transmission belt and a conveying motor, wherein the driving shell is fixedly installed at the upper end of the device beam, the inner walls of two sides of the driving shell are integrally provided with the sliding groove limiting slide way, the lower end of the driving shell is provided with the two conveying through grooves, the surface of the lower end of the driving shell and the position between the two conveying through grooves are provided with the two rotating installation seats, the two rotating installation seats are both rotatably provided with the rotating shaft, two ends of the two rotating shafts are both coaxially and fixedly connected with the conveying turntable, the conveying turntable is sleeved with the transmission belt, and the outer side of the driving shell is fixedly provided with the conveying motor;
a plurality of driving rod installation side plates are fixedly arranged at two ends of the outer side of the driving belt, and two driving rods are fixedly connected to the outer ends between the driving rod installation side plates.
Preferably, the output shaft of the transmission motor is coaxially and fixedly connected with one of the rotating shafts.
Preferably, the tile pressing sliding formwork assembly comprises: the sliding groove bottom plate, the template sliding groove, the brick pressing template groove, the side barrier strip, the sliding limiting plate, the track limiting strip, the driving card and the brick resisting plate sliding groove are arranged on the sliding groove bottom plate;
the brick pressing machine is characterized in that track limiting strips are arranged in the sliding tracks of the sliding template in a sliding mode, sliding groove bottom plates are integrally arranged among the track limiting strips, template sliding grooves are integrally formed in the upper ends of the sliding groove bottom plates, side retaining strips are uniformly arranged on two sides of the upper end surfaces of the template sliding grooves, and a plurality of brick pressing template grooves are formed in the upper end surfaces of the template sliding grooves;
the brick supporting plate sliding groove is formed in the lower end of the sliding groove bottom plate, a plurality of driving cards are uniformly arranged on the surface of the lower end of the sliding groove bottom plate and located on two sides of the brick supporting plate sliding groove, and sliding limiting plates are uniformly arranged on two sides of the template sliding groove.
Preferably, the lower end of the filling funnel is positioned between the two side barrier strips.
The invention provides a method for manufacturing a rare earth tailing dry pressed brick. The method has the following beneficial effects:
firstly, the mixed material is added from a charging barrel of the pressing equipment, a sliding groove driving assembly is started to drive a brick pressing sliding template assembly to intermittently slide on a sliding template sliding track, a filling funnel is attached to the upper surface of the brick pressing sliding template assembly, sand is filled in a mould hole on the brick pressing sliding template assembly, a brick pressing cylinder at the upper end of a lifting cylinder is started to drive a brick pressing head at the lower end of a brick pressing head mounting plate to press and form the sand in the mould hole, and when the brick pressing sliding template assembly moves, the formed brick can be unloaded through a brick supporting assembly at the lower end, so that the manufacturing efficiency of dry pressed bricks can be effectively improved;
wherein, the brick supporting plate cylinder in the brick supporting component is started to push the brick supporting plate at the upper end to support the lower end of the die hole on the brick pressing sliding template component at the upper end and to move the formed brick material on the upper surface, when the brick material moves onto the blanking supporting plate, the blanking lifting cylinder is started to lower the rotary base of the blanking supporting plate, the blanking limiting hexagonal hole is in butt joint with the blanking hexagonal head, the rotating motor is started again, the rotary base of the blanking supporting plate rotates for half a circle, an operator takes off the brick material on the blanking supporting plate, and then the blanking lifting cylinder is started again;
the conveying motor in the sliding groove driving assembly works intermittently, and can drive the conveying turntable to rotate intermittently, so that a transmission belt sleeved on the conveying turntable can move, and the brick pressing sliding template assembly is driven to move;
wherein, through the pressure brick template groove among the pressure brick sliding template subassembly, can regard as the mould hole of sand material, press the brick head through the upper end and push down and the brick board that supports of lower extreme supports, can compress tightly the sand material to the shaping is the brick material, and the side blend stop of template sliding chute both sides can be with the sand material ration that spills in the filler funnel.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of another embodiment of the present invention;
FIG. 3 is a schematic structural view of a brick supporting assembly according to the present invention;
FIG. 4 is a schematic view of another perspective structure of the brick supporting assembly of the present invention;
FIG. 5 is an enlarged view of the structure at A in FIG. 4;
FIG. 6 is a schematic view of the structure of the sliding slot driving assembly of the present invention;
FIG. 7 is a schematic view of another embodiment of the sliding slot driving assembly of the present invention;
FIG. 8 is a schematic view of the construction of the drive belt of the present invention;
FIG. 9 is a schematic structural view of a sliding template assembly for pressing bricks according to the present invention;
fig. 10 is a schematic view of another perspective structure of the sliding formwork assembly for pressing bricks in accordance with the present invention.
Wherein, 1, the equipment base; 2. an equipment support frame; 3. an equipment mounting base plate; 4. a lifting cylinder; 5. a brick-supporting component; 501. a cylinder housing; 502. a brick-supporting plate cylinder; 503. the brick supporting bottom plate is connected with angle iron; 504. a brick supporting bottom plate; 505. a brick-supporting plate; 506. a blanking plate; 507. a blanking limit chute; 508. a blanking lifting cylinder; 509. a rotary base of a blanking supporting plate; 510. a feeding supporting plate telescopic table; 511. blanking supporting plates; 512. blanking alternate limiting seats; 513. blanking and limiting a hexagonal hole; 514. blanking a hexagonal head; 515. a rotating electric machine; 516. a hexagonal head base; 6. an equipment cross beam; 7. a sliding slot drive assembly; 701. a drive housing; 702. a sliding groove limiting slideway; 703. a conveying through groove; 704. a transfer motor; 705. rotating the mounting seat; 706. a rotating shaft; 707. a transfer carousel; 708. a drive belt; 709. the driving rod is provided with a side plate; 710. a drive rod; 8. a brick pressing sliding template component; 801. a sliding channel floor; 802. a template sliding groove; 803. pressing a brick template groove; 804. a side barrier strip; 805. a sliding limit plate; 806. a rail limit strip; 807. a driver card; 808. a brick-supporting plate chute; 9. a brick pressing cylinder mounting plate; 10. a brick pressing cylinder; 11. a charging barrel; 12. a brick pressing head mounting plate; 13. a filler hopper; 14. a lifting cylinder fixing plate; 15. pressing bricks; 16. the slide template slides the track.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention provides a method for manufacturing a rare earth tailing dry pressed brick, which comprises the following specific operation steps:
s1: the method comprises the following steps of (1) processing coarse materials, namely grinding the coarse materials of the rare earth tailings, screening, and screening the rare earth tailings into two materials of 80-100 meshes and 100-250 meshes;
s2: mixing bricks, namely mixing the required materials according to the following mass part ratio: the cement-based steel-making slag comprises 35 parts of 80-100 meshes, 25 parts of 100-250 meshes, 15 parts of sandstone materials, 10 parts of cement, 5 parts of fly ash, 5 parts of steelmaking waste residues, 5 parts of red mud, 14 parts of triethanolamine, 11 parts of potassium chloride, 11 parts of water and 3 parts of solidification, wherein the mixed materials need to be used within 7 hours and are used as wastes after expiration;
s3: mixing materials and molding, namely putting the mixed materials into a mold one by one in a quantitative manner according to the size of a brick shape, and sequentially passing through a pressing device, wherein the pressing pressure of the pressing device is within the range of 2 MPa;
s4: and (5) forming at constant temperature, namely intensively placing the wet bricks after dry pressing in a thermostat for drying in the shade for 8 days, wherein the interval between the wet bricks is 1.5 cm, and the wet bricks can be used after the moisture in the wet bricks is completely evaporated.
As shown in fig. 1 to 2, the pressing equipment comprises an equipment base 1, an equipment installation bottom plate 3 is integrally arranged in the middle of the equipment base 1, a brick support assembly 5 is fixedly installed at the upper end of the equipment installation bottom plate 3, and four lifting cylinders 4 are fixedly installed at the upper end of the equipment installation bottom plate 3; the four corners of the upper end of the equipment base 1 are uniformly connected with equipment supporting frames 2, the upper ends of two equipment supporting frames 2 at the same end are fixedly provided with equipment beams 6, the upper end of each equipment beam 6 is fixedly provided with a sliding groove driving assembly 7, a sliding template sliding rail 16 is fixedly arranged in each sliding groove driving assembly, a brick pressing sliding template assembly 8 is arranged on each sliding template sliding rail 16 in a sliding manner, lifting cylinder fixing plates 14 are uniformly and fixedly arranged on the two sides of each sliding groove driving assembly 7, and the two lifting cylinder fixing plates 14 are fixedly connected with two lifting cylinders 4 at the same side; the utility model discloses a brick press, including lift cylinder 4, brick cylinder mounting panel 9, fixed mounting has brick cylinder 10 on the brick cylinder mounting panel 9, the output lower extreme fixed connection of brick cylinder 10 presses brick head mounting panel 12, the lower extreme fixed connection of brick head mounting panel 12 presses brick head 15, it has charging barrel 11 just to be located brick cylinder 10 one side fixed mounting on the brick cylinder mounting panel 9 to press, 11 lower extremes of charging barrel fixed mounting have filler funnel 13, the slip of 13 lower extremes of filler funnel sets up at brick sliding die board subassembly 8 upper surface of pressing.
Through the technical scheme, after being processed and screened, the rare earth tailings are mixed with other materials and are placed in pressing equipment for pressing, and after standing, the rare earth tailings can be used, firstly, the mixed materials are added from a feeding cylinder 11 of the pressing equipment, a sliding groove driving assembly 7 is started, a brick pressing sliding template assembly 8 is driven to intermittently slide on a sliding template sliding track 16, a filling funnel 13 is attached to the upper surface of the brick pressing sliding template assembly 8, sand materials are filled in a mould hole on the brick pressing sliding template assembly, a brick pressing cylinder 10 at the upper end of a lifting cylinder 4 is started, a brick pressing head 15 at the lower end of a brick pressing head mounting plate 12 is driven to press and form the sand materials in the mould hole, when the brick pressing sliding template assembly 8 moves, the formed brick materials can be unloaded through a brick supporting assembly 5 at the lower end, and the manufacturing efficiency of dry pressed bricks can be effectively improved.
As shown in fig. 1, 3 to 5, the brick-resisting assembly 5 includes: the device comprises a cylinder shell 501, a brick-resisting plate cylinder 502, brick-resisting bottom plate connecting angle iron 503, a brick-resisting bottom plate 504, a brick-resisting plate 505, a blanking plate 506, a blanking limit chute 507, a blanking lifting cylinder 508, a blanking supporting plate rotating base 509, a blanking supporting plate telescopic table 510, a blanking supporting plate 511, a blanking alternate limit base 512, a blanking limit hexagonal hole 513, a blanking hexagonal head 514, a rotating motor 515 and a hexagonal head base 516; an air cylinder shell 501 is fixedly installed on the surface of the upper end of the equipment installation bottom plate 3, a brick-supporting plate air cylinder 502 is fixedly installed in the air cylinder shell 501, a brick-supporting bottom plate connecting angle iron 503 is fixedly installed at the upper end of the output end of the brick-supporting plate air cylinder 502, a brick-supporting bottom plate 504 is fixedly installed at the upper end of the brick-supporting bottom plate connecting angle iron 503, and a brick-supporting plate 505 is integrally arranged at the upper end of the brick-supporting bottom plate 504; the lower end of one end of the brick supporting bottom plate 504 is integrally and fixedly connected with a blanking plate 506, the side surface of the blanking plate 506 is provided with a blanking limiting chute 507, the inner side of the blanking plate 506 is fixedly provided with a blanking lifting cylinder 508, the lower end of the output end of the blanking lifting cylinder 508 is fixedly connected with a blanking support plate rotating base 509, blanking support plate telescopic tables 510 are fixedly arranged on the upper end surface of the blanking support plate rotating base 509 and positioned at two sides of the blanking lifting cylinder 508, and blanking support plates 511 are fixedly arranged at the upper ends of the two blanking support plate telescopic tables 510; the utility model discloses a device for automatically adjusting the feeding speed of a motor vehicle, including unloading layer board rotating base 509 lower extreme fixed mounting has unloading spacing seat 512 in turn, unloading spacing hexagonal hole 513 has been seted up to unloading spacing seat 512 lower extreme in turn, the spacing hexagonal hole 513 of unloading is provided with unloading hexagonal head 514 below the unloading spacing hexagonal hole 513, unloading hexagonal head 514 lower extreme fixedly connected with hexagonal head base 516, hexagonal head base 516 lower extreme is provided with rotating electrical machines 515, rotating electrical machines 515 fixed mounting is on equipment base 1, the output shaft and the coaxial fixed connection of hexagonal head base 516 of rotating electrical machines 515.
Through the technical scheme, the brick supporting plate air cylinder 502 in the brick supporting component 5 is started, the brick supporting plate 505 at the upper end can be pushed to support the lower end of the die hole on the brick pressing sliding die plate component 8 at the upper end, the formed brick material moves on the upper surface, when the brick material moves to the blanking supporting plate 511, the blanking lifting air cylinder 508 is started, the blanking supporting plate rotating base 509 is made to descend, the blanking limiting hexagonal hole 513 is in butt joint with the blanking hexagonal head 514, the rotating motor 515 is started again, the blanking supporting plate rotating base 509 is rotated for a half circle, an operator takes the brick material on the blanking supporting plate 511 down, and then the blanking lifting air cylinder 508 is started again.
As shown in fig. 1, 6 to 8, the sliding groove driving assembly 7 includes: a driving shell 701, a sliding groove limiting slide way 702, a conveying through groove 703, a conveying motor 704, a rotary mounting seat 705, a rotary shaft 706, a conveying turntable 707, a transmission belt 708, a driving rod mounting side plate 709 and a driving rod 710; a driving shell 701 is fixedly installed at the upper end of the equipment beam 6, sliding groove limiting slideways 702 are integrally arranged on the inner walls of two sides of the driving shell 701, two conveying through grooves 703 are formed in the lower end of the driving shell 701, two rotary installation seats 705 are installed on the surface of the lower end of the driving shell 701 and located between the two conveying through grooves 703, rotary shafts 706 are rotatably installed on the two rotary installation seats 705, two ends of each rotary shaft 706 are coaxially and fixedly connected with a conveying turntable 707, a transmission belt 708 is sleeved on the conveying turntable 707, and a conveying motor 704 is fixedly installed on the outer side of the driving shell 701; a plurality of driving rod mounting side plates 709 are fixedly arranged at two ends of the outer side of the driving belt 708, a driving rod 710 is fixedly connected to the outer end between the two driving rod mounting side plates 709, and an output shaft of the transmission motor 704 is coaxially and fixedly connected with one of the rotating shafts 706.
Through the technical scheme, the conveying motor 704 in the sliding groove driving assembly 7 intermittently works to drive the conveying turntable 707 to intermittently rotate, so that the driving belt 708 sleeved on the conveying turntable can move, and the brick pressing sliding template assembly 8 is driven to move.
As shown in fig. 1, 9-10, the tile press shoe assembly 8 comprises: a sliding groove bottom plate 801, a template sliding groove 802, a brick pressing template groove 803, a side blocking strip 804, a sliding limiting plate 805, a track limiting strip 806, a driving card 807 and a brick resisting plate sliding groove 808; the sliding formwork sliding track 16 is internally provided with track limiting strips 806 in a sliding manner, sliding groove bottom plates 801 are integrally arranged among the track limiting strips 806, formwork sliding grooves 802 are integrally arranged at the upper ends of the sliding groove bottom plates 801, side blocking strips 804 are integrally arranged on two sides of the upper end surfaces of the formwork sliding grooves 802, and a plurality of brick pressing formwork grooves 803 are formed in the upper end surfaces of the formwork sliding grooves 802; the brick supporting plate sliding groove 808 is formed in the lower end of the sliding groove bottom plate 801, a plurality of driving cards 807 are uniformly arranged on the surface of the lower end of the sliding groove bottom plate 801 and located on two sides of the brick supporting plate sliding groove 808, sliding limiting plates 805 are uniformly arranged on two sides of the template sliding groove 802, and the lower end of the filler funnel 13 is located between the two side blocking strips 804.
Through foretell technical scheme, through pressing brick template groove 803 among the brick sliding template subassembly 8, can regard as the mould hole of sand material, press brick head 15 through the upper end to push down and the lower extreme supports with supporting brick board 505, can compress tightly the sand material to the shaping is the brick material, and the side blend stop 804 of template sliding tray 802 both sides can be with the sand material ration that spills in the filler funnel 13.
The working principle is as follows:
firstly, the mixed material is added from a charging barrel 11 of the pressing equipment, a sliding groove driving assembly 7 is started to drive a brick pressing sliding template assembly 8 to intermittently slide on a sliding template sliding track 16, a filling funnel 13 is attached to the upper surface of the brick pressing sliding template assembly 8, so that a mould hole on the mould hole is filled with sand, a brick pressing cylinder 10 at the upper end of a lifting cylinder 4 is started to drive a brick pressing head 15 at the lower end of a brick pressing head mounting plate 12 to press and form the sand in the mould hole, and when the brick pressing sliding template assembly 8 moves, the formed brick can be unloaded through a brick abutting assembly 5 at the lower end, so that the manufacturing efficiency of dry pressed bricks can be effectively improved;
the brick-supporting plate cylinder 502 in the brick-supporting assembly 5 is started, the brick-supporting plate 505 at the upper end can be pushed to support the lower end of the mold hole on the brick-pressing sliding template assembly 8 at the upper end, and molded bricks can move on the upper surface, when the bricks move onto the blanking supporting plate 511, the blanking lifting cylinder 508 is started, the blanking supporting plate rotating base 509 descends, the blanking limiting hexagonal hole 513 is butted with the blanking hexagonal head 514, the rotating motor 515 is started again, the blanking supporting plate rotating base 509 rotates for half a circle, an operator takes off the bricks on the blanking supporting plate 511, and then the blanking lifting cylinder 508 is started again, and due to the fact that the blanking supporting plate telescopic table 510 is two parts and is provided with springs, when the blanking supporting plate 511 rises to be flush with the brick-supporting plate 505, the brick-pressing sliding template assembly can contract;
wherein, the conveying motor 704 in the sliding groove driving component 7 intermittently works to drive the conveying turntable 707 to intermittently rotate, so that the driving belt 708 sleeved on the conveying turntable can move, and the brick pressing sliding template component 8 is driven to move;
wherein, through the brick pressing template groove 803 among the brick pressing sliding template subassembly 8, can regard as the mould hole of sand material, press the brick head 15 through the upper end to push down and the brick board 505 that supports of supporting of lower extreme supports, can compress tightly the sand material to the shaping is the brick material, and the side blend stop 804 of template sliding tray 802 both sides can be with the sand material ration that spills in the filler funnel 13.
It should be understood that the above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention, and that various other modifications and changes can be made on the basis of the above description by those skilled in the art.
Claims (8)
1. A method for manufacturing rare earth tailings dry pressed bricks is characterized by comprising the following steps: the specific operation steps are as follows:
s1: the method comprises the following steps of (1) processing coarse materials, namely grinding the coarse materials of the rare earth tailings, screening, and screening the rare earth tailings into two materials of 80-100 meshes and 100-250 meshes;
s2: mixing bricks, namely mixing the required materials according to the following mass part ratio: the cement-based cement mortar comprises 30-40 parts of 80-100 meshes, 20-30 parts of 100-250 meshes, 10-20 parts of sand and stone materials, 8-12 parts of cement, 2-7 parts of fly ash, 3-6 parts of steelmaking waste residues, 4-8 parts of red mud, 10-15 parts of triethanolamine, 8-12 parts of potassium chloride, 9-13 parts of water and 2-5 parts of a curing agent, wherein the mixed materials are required to be used within 6-8 hours and used as wastes after expiration;
s3: mixing materials and molding, namely putting the mixed materials into a mold one by one in a quantitative manner according to the size of a brick shape, and sequentially passing through a pressing device, wherein the pressing pressure of the pressing device is within the range of 2-3 MPa;
the pressing equipment comprises an equipment base (1), an equipment mounting bottom plate (3) is integrally arranged in the middle of the equipment base (1), a brick supporting assembly (5) is fixedly mounted at the upper end of the equipment mounting bottom plate (3), and four lifting cylinders (4) are fixedly mounted at the upper end of the equipment mounting bottom plate (3);
the device comprises an equipment base (1), equipment supporting frames (2) are uniformly connected to four corners of the upper end of the equipment base (1), an equipment cross beam (6) is fixedly mounted at the upper ends of two equipment supporting frames (2) at the same end, a sliding groove driving assembly (7) is fixedly mounted at the upper end of the equipment cross beam (6), a sliding template sliding track (16) is fixedly mounted in the sliding groove driving assembly, and a brick pressing sliding template assembly (8) is arranged on the sliding template sliding track (16) in a sliding mode;
the brick propping assembly (5) comprises: the device comprises a cylinder shell (501), a brick-resisting plate cylinder (502), a brick-resisting bottom plate connecting angle iron (503), a brick-resisting bottom plate (504), a brick-resisting plate (505), a blanking plate (506), a blanking limit chute (507), a blanking lifting cylinder (508), a blanking supporting plate rotating base (509), a blanking supporting plate telescopic table (510), a blanking supporting plate (511), a blanking alternate limit seat (512), a blanking limit hexagonal hole (513), a blanking hexagonal head (514), a rotating motor (515) and a hexagonal head base (516);
an air cylinder shell (501) is fixedly installed on the surface of the upper end of the equipment installation bottom plate (3), a brick supporting plate air cylinder (502) is fixedly installed in the air cylinder shell (501), a brick supporting bottom plate connecting angle iron (503) is fixedly installed at the upper end of the output end of the brick supporting plate air cylinder (502), a brick supporting bottom plate (504) is fixedly installed at the upper end of the brick supporting bottom plate connecting angle iron (503), and a brick supporting plate (505) is integrally arranged at the upper end of the brick supporting bottom plate (504);
the lower end of one end of the brick supporting bottom plate (504) is integrally and fixedly connected with a blanking plate (506), a blanking limiting sliding groove (507) is formed in the side face of the blanking plate (506), a blanking lifting cylinder (508) is fixedly installed on the inner side of the blanking plate (506), the lower end of the output end of the blanking lifting cylinder (508) is fixedly connected with a blanking supporting plate rotating base (509), blanking supporting plate telescopic tables (510) are fixedly installed on the upper end surface of the blanking supporting plate rotating base (509) and located on two sides of the blanking lifting cylinder (508), and blanking supporting plates (511) are fixedly installed at the upper ends of the two blanking supporting plate telescopic tables (510);
a blanking alternate limiting seat (512) is fixedly installed at the lower end of the blanking supporting plate rotating base (509), the blanking alternate limiting seat (512) is arranged at the lower end of the blanking alternate limiting seat (512), a blanking limiting hexagonal hole (513) is formed in the lower end of the blanking alternate limiting seat (512), a blanking hexagonal head (514) is arranged below the blanking limiting hexagonal hole (513), a hexagonal head base (516) is fixedly connected to the lower end of the blanking hexagonal head (514), and a rotating motor (515) is arranged at the lower end of the hexagonal head base (516);
s4: and (4) forming at constant temperature, namely intensively placing the wet bricks after dry pressing in a constant temperature box for drying in the shade for 7-14 days, wherein the interval between the wet bricks is 1-2 cm, and the wet bricks can be used after the moisture in the wet bricks is completely evaporated.
2. The method for manufacturing the rare earth tailing dry-pressed brick according to claim 1, characterized by comprising the following steps: a lifting cylinder fixing plate (14) is uniformly and fixedly arranged on the two sides of the sliding groove driving component (7), the two lifting cylinder fixing plates (14) are fixedly connected with the two lifting cylinders (4) on the same side;
the brick pressing device is characterized in that a brick pressing cylinder mounting plate (9) is fixedly mounted at the output end of the lifting cylinder (4), a brick pressing cylinder (10) is fixedly mounted on the brick pressing cylinder mounting plate (9), a brick pressing head mounting plate (12) is fixedly connected to the lower end of the output end of the brick pressing cylinder (10), and a brick pressing head (15) is fixedly connected to the lower end of the brick pressing head mounting plate (12).
3. The method for manufacturing the rare earth tailing dry-pressed brick according to claim 2, characterized by comprising the following steps: the brick pressing cylinder mounting plate (9) is provided with a feeding barrel (11) which is fixedly arranged on one side of the brick pressing cylinder (10), the lower end of the feeding barrel (11) is fixedly provided with a filler funnel (13), and the lower end of the filler funnel (13) is arranged on the upper surface of the brick pressing sliding template assembly (8) in a sliding manner.
4. The method for manufacturing the rare earth tailing dry-pressed brick according to claim 3, wherein the method comprises the following steps: the rotating motor (515) is fixedly installed on the equipment base (1), and an output shaft of the rotating motor (515) is coaxially and fixedly connected with the hexagonal head base (516).
5. The method for manufacturing the rare earth tailing dry-pressed brick according to claim 4, wherein the method comprises the following steps: the sliding groove drive assembly (7) comprises: the device comprises a driving shell (701), a sliding groove limiting slide way (702), a conveying through groove (703), a conveying motor (704), a rotary mounting seat (705), a rotating shaft (706), a conveying turntable (707), a transmission belt (708), a driving rod mounting side plate (709) and a driving rod (710);
a driving shell (701) is fixedly mounted at the upper end of the equipment beam (6), sliding groove limiting slide ways (702) are integrally arranged on the inner walls of two sides of the driving shell (701), two conveying through grooves (703) are formed in the lower end of the driving shell (701), two rotary mounting seats (705) are mounted on the surface of the lower end of the driving shell (701) and located between the two conveying through grooves (703), rotating shafts (706) are rotatably mounted on the two rotary mounting seats (705), conveying turntables (707) are coaxially and fixedly connected to two ends of the two rotating shafts (706), a transmission belt (708) is sleeved on each conveying turntable (707), and a conveying motor (704) is fixedly mounted on the outer side of the driving shell (701);
a plurality of driving rod mounting side plates (709) are fixedly arranged at two ends of the outer side of the driving belt (708), and two driving rods (710) are fixedly connected between the driving rod mounting side plates (709) at the outer ends.
6. The method for manufacturing the rare earth tailing dry-pressed brick according to claim 5, wherein the method comprises the following steps: the output shaft of the transmission motor (704) is coaxially and fixedly connected with one rotating shaft (706).
7. The method for manufacturing the rare earth tailing dry-pressed brick according to claim 6, characterized by comprising the following steps: the brick press sliding formwork assembly (8) comprises: the brick pressing device comprises a sliding groove bottom plate (801), a template sliding groove (802), a brick pressing template groove (803), a side blocking strip (804), a sliding limiting plate (805), a track limiting strip (806), a driving card (807) and a brick pressing plate sliding groove (808);
the sliding formwork comprises a sliding formwork sliding rail (16), rail limiting strips (806) are arranged in the sliding formwork sliding rail (16) in a sliding mode, sliding groove bottom plates (801) are integrally arranged among the rail limiting strips (806), a formwork sliding groove (802) is integrally arranged at the upper end of each sliding groove bottom plate (801), side blocking strips (804) are uniformly arranged on two sides of the upper end surface of each formwork sliding groove (802) in an integrated mode, and a plurality of brick pressing formwork grooves (803) are formed in the upper end surface of each formwork sliding groove (802);
the brick supporting plate is characterized in that a brick supporting plate sliding groove (808) is formed in the lower end of the sliding groove bottom plate (801), a plurality of driving cards (807) are uniformly arranged on the surface of the lower end of the sliding groove bottom plate (801) and located on two sides of the brick supporting plate sliding groove (808), and sliding limiting plates (805) are uniformly arranged on two sides of the template sliding groove (802).
8. The method for manufacturing the rare earth tailing dry-pressed brick according to claim 7, wherein the method comprises the following steps: the lower end of the filler funnel (13) is positioned between the two side barrier strips (804).
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| CN202210757951.8A CN115026925B (en) | 2022-06-29 | 2022-06-29 | Method for manufacturing rare earth tailing dry-pressed brick |
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| CN202210757951.8A CN115026925B (en) | 2022-06-29 | 2022-06-29 | Method for manufacturing rare earth tailing dry-pressed brick |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2007331958A (en) * | 2006-06-12 | 2007-12-27 | Tdk Corp | Electronic component, dielectric ceramic composition and method for producing the same |
| CN101747016B (en) * | 2008-12-16 | 2013-07-10 | 石河子开发区天富新型建材有限责任公司 | Sintering-free flyash brick |
| CN104876519B (en) * | 2014-04-17 | 2018-05-15 | 河北工程大学 | A kind of Pb-Zn tailings and Aggregate of recycled concrete prepare autoclaved lime-sand brick method |
| CN105130393A (en) * | 2015-08-18 | 2015-12-09 | 江西省石湾环球陶瓷有限公司 | Method used for producing stone-like ceramic tiles from rare-earth tailing |
| CN105330327A (en) * | 2015-10-29 | 2016-02-17 | 合肥正拓装饰材料有限公司 | Sintered water-permeable ground tile with rare earth tailings added |
| CN107721270B (en) * | 2017-10-24 | 2020-05-19 | 上海老港废弃物处置有限公司 | Method for preparing non-sintered water permeable brick by using municipal sludge |
| CN108821687B (en) * | 2018-07-16 | 2021-03-19 | 长江水利委员会长江科学院 | Hydraulic impact-resistant and wear-resistant concrete using high-density tailings as aggregate and preparation method thereof |
| CN212045278U (en) * | 2020-01-14 | 2020-12-01 | 福建群峰机械有限公司 | Automatic shaping brickmaking machine |
| CN213829467U (en) * | 2020-08-06 | 2021-07-30 | 武汉华武新材料有限公司 | Coal ash brick making machine |
| CN216803852U (en) * | 2021-12-29 | 2022-06-24 | 郑州建兴高科炉材有限公司 | Low carbon aluminium carborundum carbon brick preparation that contains nanocarbon is with pressing brick device |
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