CN111844367A - Die pressing system for full-automatic static-pressure brick machine and application method - Google Patents

Die pressing system for full-automatic static-pressure brick machine and application method Download PDF

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Publication number
CN111844367A
CN111844367A CN202010699397.3A CN202010699397A CN111844367A CN 111844367 A CN111844367 A CN 111844367A CN 202010699397 A CN202010699397 A CN 202010699397A CN 111844367 A CN111844367 A CN 111844367A
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China
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pressure
brick
die
air
pressing
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CN202010699397.3A
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刘长洋
宁思贤
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Guangxi Hongfa Heavy Industry Machine Co ltd
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Guangxi Hongfa Heavy Industry Machine Co ltd
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Priority to CN202010699397.3A priority Critical patent/CN111844367A/en
Publication of CN111844367A publication Critical patent/CN111844367A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B3/00Producing shaped articles from the material by using presses; Presses specially adapted therefor
    • B28B3/003Pressing by means acting upon the material via flexible mould wall parts, e.g. by means of inflatable cores, isostatic presses
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00Moulds; Cores; Mandrels
    • B28B7/0097Press moulds; Press-mould and press-ram assemblies

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)

Abstract

The invention discloses a die pressing system for a full-automatic static pressure brick machine and an application method, wherein the die pressing system comprises a static pressure die assembly, a cleaning and sand-discharging assembly and an energy-saving high-pressure pump assembly; the static pressure die assembly comprises a die holder, a gland and a lifting rod; a brick die groove is formed in the die holder; the pressing covers are distributed right above the die holder in a lifting manner and can be correspondingly inserted and movably distributed by matching with the brick die grooves; the inner wall of the die holder and the bottom surface of the gland are respectively provided with a reticular pressure plate; the cleaning and sand discharging assembly comprises a water collecting tank; the lower part of the water collecting tank is provided with a water outlet and is connected with the lower communication connector through a through pipe; an air return port is formed in the upper part of the water collecting tank and is communicated with an air inlet of the energy-saving high-pressure pump assembly through a pressure-resistant air pipe; and the air outlet of the energy-saving high-pressure pump assembly is communicated with the upper air port through a pressure-resistant hose. The invention has the advantages of high brick making efficiency, good quality, good use effect and the like.

Description

Die pressing system for full-automatic static-pressure brick machine and application method
Technical Field
The invention relates to the technical field of brick machines, in particular to a die pressing system for a full-automatic static-pressure brick machine and an application method.
Background
Brick machines are divided into a plurality of types at present, and most of the brick machines (such as water permeable bricks) are prepared by pressing certain raw materials in the preparation of certain special pressed bricks, but the traditional brick type has harsh raw materials and higher cost, and the finished product with the water permeability up to the standard is difficult to prepare by adopting the traditional process by adopting the cheaper raw materials, so that the quality of the raw materials is reduced for improving the competitiveness in the industry of the water permeable bricks, and the water permeable pore systems (pore forming rates) of the water permeable bricks are not high, so that the water permeable performance is poor.
The above background disclosure is only for the purpose of assisting understanding of the concept and technical solution of the present invention and does not necessarily belong to the prior art of the present patent application, and should not be used for evaluating the novelty and inventive step of the present application in the case that there is no clear evidence that the above content is disclosed at the filing date of the present patent application.
Disclosure of Invention
Aiming at the technical problems, the invention provides a die pressing system for a full-automatic static-pressure brick machine with high pore-forming rate for preparing a permeable brick bottom blank and an application method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
a die pressing system for a full-automatic static pressure brick machine comprises a static pressure die assembly, a cleaning and sand-discharging assembly and an energy-saving high-pressure pump assembly; the static pressure die assembly comprises a die holder, a gland and a lifting rod; a brick die groove is formed in the die holder; the pressing covers are distributed right above the die holder in a lifting manner and can be correspondingly inserted and movably distributed by matching with the brick die grooves; the inner wall of the die holder and the bottom surface of the gland are respectively provided with a reticular pressure plate; the die holder and the gland are respectively provided with an air duct inside, and are respectively and correspondingly provided with a lower communication connector and an upper air vent; the bottom surface of the die holder is also provided with a lifting rod jack, and the lifting rod can be telescopically inserted into the lifting rod jack and distributed; the cleaning and sand discharging assembly comprises a water collecting tank; the lower part of the water collecting tank is provided with a water outlet and is connected with the lower communication connector through a through pipe; an air return port is formed in the upper part of the water collecting tank and is communicated with an air inlet of the energy-saving high-pressure pump assembly through a pressure-resistant air pipe; and the air outlet of the energy-saving high-pressure pump assembly is communicated with the upper air port through a pressure-resistant hose.
Furthermore, spring pressure valves are distributed at the air return ports.
Further, the energy-saving high-pressure pump assembly comprises a high-pressure air pump and a mixed air inlet chamber, and the mixed air inlet chamber is provided with an air inlet, a high-pressure air pump air inlet connecting port and the air inlet; and a one-way air valve is also arranged at the air inlet.
Furthermore, a first electric control valve is arranged at the upper air vent, an air leakage hole is formed in the press cover, and a second electric control valve is arranged at the air leakage hole.
Furthermore, the gland and the lifting rod are driven by a hydraulic cylinder to lift.
Furthermore, the lower part of the water collecting tank is also connected with a drainage groove, and the upper part of the drainage groove is communicated with a water outlet of the water collecting tank and the through pipe; the lower part of the drainage groove is also provided with a drainage port, and the drainage port is provided with a valve.
Furthermore, the reticular pressure plate consists of a compact net plate layer, a bearing net plate layer and a plurality of bearing support rods; the compact net plate layer is formed by superposing and combining a plurality of layers of compact net plates; the compact net plate is formed by combining a pressure-bearing corrugated strip and a locking strip; the pressure-bearing corrugated strips are alternately provided with pressing blocks with ship-shaped curved surface structures, the pressing blocks and a connecting strip section connecting the pressing blocks integrally form a corrugated structure, every two pressure-bearing corrugated strips are parallel to each other and are distributed in a staggered manner, and the outer edge of the pressing block on one pressure-bearing corrugated strip is longitudinally aligned with the outer edge of the connecting strip section on the other adjacent pressure-bearing corrugated strip; the locking strip and the pressure-bearing corrugated strip are mutually combined in a cross-shaped interweaving manner; the bearing support rods transversely penetrate through the compact net plate layer and are tightly combined with each other through extrusion; the bearing net plate layer is distributed on the rear side of the compact net plate layer to support the compact net plate layer.
Furthermore, the contact surfaces of the die holder and the gland are respectively provided with a sealing rubber ring.
The application method for making bricks by using the brick making machine provided with the die pressing system for the full-automatic static pressure brick making machine comprises the following steps:
(1) screening materials: sieving the stone or slag raw material, and taking sieve materials below a 2-mesh sieve and above a 6-mesh sieve;
(2) mixing materials: uniformly stirring the sieve material obtained in the step (1) with water and cement according to a certain proportion to obtain a bottom blank raw material;
(3) pre-drying: pre-drying the blank raw material for 1-4 h;
(4) starting the brick machine and the die pressing system, feeding the pre-dried bottom blank raw material into a hopper of the brick machine through a conveying belt, advancing a material distribution box of the brick machine, fully distributing the bottom blank raw material in a mould and returning, pressing down the gland and opening the first electric control valve, then pressing the bottom blank raw material by the gland, simultaneously enabling air pressure airflow to flow from the upper part of the bottom blank raw material to the side part and the bottom part, and when the air pressure in the water collection tank exceeds the tolerance value of the spring pressure valve,
the spring pressure valve is opened and enters the mixed air inlet chamber to realize air flow circulation;
(5) after the bottom blank raw material is pressed into a bottom brick blank, the gland is lifted back, meanwhile, the first electric control valve is closed, and the lifting rod is lifted to push the bottom brick blank out of the brick mold groove; then the material distribution box advances again, the base brick blanks are pushed away, then the base brick blanks are fully distributed in the die and returned, and the process is circulated;
(6) Cleaning: when cleaning is needed, firstly, cleaning liquid is added into the brick mold groove, the pressing cover is controlled to descend and be inserted into the brick mold groove, then the first electric control valve is controlled to be opened, the cleaning liquid at the lower part of the brick mold groove is pressed into the water collecting tank, and the air pressure in the water collecting tank rises; then closing the first electric control valve and opening the second electric control valve, wherein the upper part of the water collecting tank is positive pressure, and returning cleaning liquid into the brick mold groove and washing the reticular pressure plate; then the second electric control valve is closed, the first electric control valve is opened, and the process is repeated repeatedly in such a way, so that the cleaning solution can wash the reticular pressure plate; and finally, discharging the waste residue and the cleaning liquid together through the discharge groove.
Further, the pre-drying time in the step (3) is 1.5-2.5 h.
Compared with the prior art, the invention has the beneficial effects that:
(1) the pressure-bearing corrugated strips of the reticular pressure plate are alternately provided with pressing blocks with ship-shaped curved surface structures, the pressing blocks and a connecting strip section which is connected with the pressing blocks integrally form a corrugated structure, every two pressure-bearing corrugated strips are parallel to each other and are distributed in a staggered manner, and the outer edge of the pressing block on one pressure-bearing corrugated strip is longitudinally aligned with the outer edge of the connecting strip section on the other adjacent pressure-bearing corrugated strip; the locking strip and the pressure-bearing corrugated strip are mutually combined in a cross-shaped interweaving manner; through adopting above-mentioned structure, can realize the locking strip with personally submitting the slant distribution of the blow vent that pressure-bearing ripple strip constitutes, this is favorable to when pressing end embryo raw materials, is showing and reduces the jam of end embryo raw materials to the blow vent, and the briquetting is established into the longitudinal extrusion force that boat shape curved surface structure also effectively decomposed the pressing process, and then also helps reducing and blocks up.
(2) Adopt this static pressure mould subassembly, can realize leading to high-pressure gas reaming processing in the overall process of suppressing the end embryo raw materials, compare traditional device and can realize higher cavitation rate and bigger aperture, and because the short hole of air current, its pore-forming is irregular hole system, guarantees that the subbase brick embryo should have intensity.
(3) This moulding-die system can realize the recycle of high-pressure gas, reduction in production cost.
(4) Adopt this washing and arrange husky subassembly, can portably realize washing the high efficiency of netted clamp plate, fast through using reverse atmospheric pressure, through rationally being equipped with the escape canal, realize wasing the quick discharge of discarded object.
(5) By adopting the brick making method, the blockage of the reticular pressing plate can be effectively reduced, the due strength of the subbase brick blank is ensured, and the water permeability of the subbase brick blank is improved.
Drawings
FIG. 1 is a schematic structural view of a static pressure die assembly of the present invention;
FIG. 2 is a schematic view of a partial structure of a layer of the mesh press plate of the present invention;
fig. 3 is a schematic structural diagram of a die pressing system for a full-automatic static-pressure brick machine.
Detailed Description
As shown in fig. 1 to 3, a die pressing system for a full-automatic static pressure brick machine comprises a static pressure die assembly, a cleaning and sand-discharging assembly and an energy-saving high-pressure pump assembly; the static pressure die assembly comprises a die holder 13, a gland 9 and a lifting rod 17; the die holder 13 is distributed on the support table 16, the die holder 13 is provided with brick die grooves 22, and the number of the brick die grooves 22 can be one or more; and sealing rubber rings 12 and 4 are respectively arranged on the contact surfaces of the die holder 13 and the gland 9. The pressing covers 9 are driven by the hydraulic cylinder 1 to be distributed above the die holders in a lifting manner, matched with the brick die grooves and correspondingly inserted into the brick die grooves in a movable manner so as to press brick blanks; the inner wall of the die holder 13 and the bottom surface of the gland are respectively provided with a reticular pressure plate; the net-shaped pressing plate consists of a compact net plate layer (such as compact net plate layers 21 and 7 which are respectively distributed in the die holder 13 and the gland in the attached drawing 1), bearing net plate layers 6 and 15 and a plurality of bearing support rods 8 and 14; the compact net plate layer is formed by superposing and combining a plurality of layers of compact net plates; the compact net plate is formed by combining a pressure-bearing corrugated strip 24 and a locking strip 25; the pressure bearing corrugated strips 24 are provided with pressing blocks 24-1 of ship-shaped curved surface structures at intervals, and integrally form a corrugated structure with connecting strip sections 24-2 connecting the pressing blocks, the pressure bearing corrugated strips are parallel to each other in pairs and are distributed in a staggered manner, and the outer edge of the pressing block on one pressure bearing corrugated strip is longitudinally aligned with the outer edge of the connecting strip section on the other adjacent pressure bearing corrugated strip; the locking strips and the pressure-bearing corrugated strips are mutually combined in a crossed manner, as shown in fig. 2, the locking strips are correspondingly corrugated, and the surfaces of the air vents 25-1 generated by interweaving are obliquely distributed, so that the blockage of the air vents 25-1 is effectively reduced compared with the horizontally distributed air vents when the blank raw materials are pressed by positive pressure; the bearing support rods transversely penetrate through the compact net plate layer and are tightly combined with each other through extrusion, so that the effect of providing support force is achieved; the bearing net plate layer has larger aperture, and a common bearing net structure is adopted and distributed on the rear side of the compact net plate layer to support the compact net plate layer. The die holder and the gland are respectively provided with an air channel inside to realize air flow or cleaning liquid flow, and are respectively and correspondingly provided with a lower communication connector 20 and an upper air vent 11; go up vent 11 department and still be equipped with first electric control valve 10, the pressure is covered and has still been seted up out gas hole 3, 3 departments of losing gas still are equipped with second electric control valve 2. The bottom surface of the die holder is also provided with a lifting rod jack 18, and certainly, the support table 16 is also correspondingly provided with a lifting through hole; the lifting rod 17 is driven by the hydraulic cylinder 23 to be telescopically inserted into the lifting rod insertion hole for distribution, so that the pressed brick blank is ejected out; the cleaning and sand discharging assembly comprises a water collecting tank 30; the lower part of the water collecting tank 30 is provided with a water outlet 29 and is connected with the lower connecting port 20 through a through pipe 26; the energy-saving high-pressure pump assembly comprises a high-pressure air pump 36 and a mixed air inlet chamber 39, and the mixed air inlet chamber 39 is provided with an air inlet 33, a high-pressure air pump air inlet connecting port 35 and an air inlet 40; the air inlet 33 is also provided with a one-way air valve 34. An air return port 32 is formed in the upper part of the water collecting tank, a spring pressure valve 31 is distributed at the air return port, and the air pressure in the water collecting tank is communicated with the air inlet 40 through a pressure-resistant air pipe; the air outlet 37 of the energy-saving high-pressure pump assembly is communicated with the upper air port 11 through a pressure-resistant hose 38. The lower part of the water collecting tank is also connected with a drain tank 27, and the upper part of the drain tank 27 is communicated with the water outlet of the water collecting tank and the through pipe 26; the lower part of the drainage groove is also provided with a drainage port, and the drainage port is provided with a valve 28.
The application method for making bricks by using the brick making machine provided with the die pressing system for the full-automatic static pressure brick making machine comprises the following steps:
(1) screening materials: sieving stone or slag raw materials, taking sieve materials below a 2-mesh sieve and above a 6-mesh sieve, wherein the minimum particle size of the raw materials passing through the mesh sieve with the pore diameter is larger than the aperture of the vent 25-1, so as to prevent blockage;
(2) mixing materials: uniformly stirring the sieve material obtained in the step (1) with water and cement according to a certain proportion to obtain a bottom blank raw material;
(3) pre-drying: pre-drying the blank raw material for 1-4 hours or 15-25 hours;
(4) starting the brick machine and the die pressing system, feeding the pre-dried bottom blank raw material into a hopper of the brick machine through a conveying belt, enabling a material distribution box of the brick machine to advance, fully distributing the bottom blank raw material in a mould and returning, pressing down the pressing cover while opening the first electric control valve, then pressing the bottom blank raw material by the pressing cover, enabling air pressure airflow to flow from the upper part of the bottom blank raw material to the side part and the bottom part, and opening the spring pressure valve and entering the mixed air inlet chamber when the air pressure in the water collection tank exceeds the tolerance value of the spring pressure valve to realize airflow circulation;
(5) After the bottom blank raw material is pressed into a bottom brick blank, the gland is lifted back, meanwhile, the first electric control valve is closed, and the lifting rod is lifted to push the bottom brick blank out of the brick mold groove; then the material distribution box advances again, the base brick blanks are pushed away, then the base brick blanks are fully distributed in the die and returned, and the process is circulated;
(6) cleaning: when cleaning is needed, firstly, cleaning liquid is added into the brick mold groove, the pressing cover is controlled to descend and be inserted into the brick mold groove, then the first electric control valve is controlled to be opened, the cleaning liquid at the lower part of the brick mold groove is pressed into the water collecting tank, and the air pressure in the water collecting tank rises; then closing the first electric control valve and opening the second electric control valve, wherein the upper part of the water collecting tank is positive pressure, and returning cleaning liquid into the brick mold groove and washing the reticular pressure plate; then the second electric control valve is closed, the first electric control valve is opened, and the process is repeated repeatedly in such a way, so that the cleaning solution can wash the reticular pressure plate; certainly, when wasing brick die cavity bottom sanitization back, can also be equipped with the gravity dog through the correspondence and place it in brick die cavity bottom realizes that the washing liquid spouts from the side of brick die cavity, at last through the escape way is discharged waste residue and washing liquid together.
And after a subbase brick blank with good water permeability is prepared, entering a subsequent working section, and covering the top layer material on the top of the subbase brick blank to finish the preparation of the high-water-permeability brick.

Claims (10)

1. The utility model provides a full-automatic die pressing system for static pressure brick machine which characterized in that: the device comprises a static pressure die assembly, a cleaning and sand-discharging assembly and an energy-saving high-pressure pump assembly; the static pressure die assembly comprises a die holder, a gland and a lifting rod; a brick die groove is formed in the die holder; the pressing covers are distributed right above the die holder in a lifting manner and can be correspondingly inserted and movably distributed by matching with the brick die grooves; the inner wall of the die holder and the bottom surface of the gland are respectively provided with a reticular pressure plate; the die holder and the gland are respectively provided with an air duct inside, and are respectively and correspondingly provided with a lower communication connector and an upper air vent; the bottom surface of the die holder is also provided with a lifting rod jack, and the lifting rod can be telescopically inserted into the lifting rod jack and distributed; the cleaning and sand discharging assembly comprises a water collecting tank; the lower part of the water collecting tank is provided with a water outlet and is connected with the lower communication connector through a through pipe; an air return port is formed in the upper part of the water collecting tank and is communicated with an air inlet of the energy-saving high-pressure pump assembly through a pressure-resistant air pipe; and the air outlet of the energy-saving high-pressure pump assembly is communicated with the upper air port through a pressure-resistant hose.
2. The die pressing system for the full-automatic static-pressure brick machine according to claim 1, characterized in that: and spring pressure valves are distributed at the air return ports.
3. The die pressing system for the full-automatic static-pressure brick machine according to claim 1, characterized in that: the energy-saving high-pressure pump assembly comprises a high-pressure air pump and a mixed air inlet chamber, and the mixed air inlet chamber is provided with an air inlet, a high-pressure air pump air inlet connecting port and an air inlet; and a one-way air valve is also arranged at the air inlet.
4. The die pressing system for the full-automatic static-pressure brick machine according to claim 1, characterized in that: the upper vent is also provided with a first electric control valve, the gland is also provided with an air release hole, and the air release hole is also provided with a second electric control valve.
5. The die pressing system for the full-automatic static-pressure brick machine according to claim 1, characterized in that: the gland and the lifting rod are driven by a hydraulic cylinder to lift.
6. The die pressing system for the full-automatic static-pressure brick machine according to claim 1, characterized in that: the lower part of the water collecting tank is also connected with a drainage groove, and the upper part of the drainage groove is communicated with the water outlet of the water collecting tank and the through pipe; the lower part of the drainage groove is also provided with a drainage port, and the drainage port is provided with a valve.
7. The die pressing system for the full-automatic static-pressure brick machine according to claim 1, characterized in that: the net-shaped pressing plate consists of a compact net plate layer, a bearing net plate layer and a plurality of bearing supporting rods; the compact net plate layer is formed by superposing and combining a plurality of layers of compact net plates; the compact net plate is formed by combining a pressure-bearing corrugated strip and a locking strip; the pressure-bearing corrugated strips are alternately provided with pressing blocks with ship-shaped curved surface structures, the pressing blocks and a connecting strip section connecting the pressing blocks integrally form a corrugated structure, every two pressure-bearing corrugated strips are parallel to each other and are distributed in a staggered manner, and the outer edge of the pressing block on one pressure-bearing corrugated strip is longitudinally aligned with the outer edge of the connecting strip section on the other adjacent pressure-bearing corrugated strip; the locking strip and the pressure-bearing corrugated strip are mutually combined in a cross-shaped interweaving manner; the bearing support rods transversely penetrate through the compact net plate layer and are tightly combined with each other through extrusion; the bearing net plate layer is distributed on the rear side of the compact net plate layer to support the compact net plate layer.
8. The die pressing system for the full-automatic static-pressure brick machine according to claim 1, characterized in that: and sealing rubber rings are respectively arranged on the contact surfaces of the die holder and the gland.
9. The application method for preparing the permeable brick bottom blank by using the brick machine provided with the die pressing system for the full-automatic static pressure brick machine as claimed in any one of claims 1 to 8 is characterized by comprising the following steps:
(1) screening materials: sieving the stone or slag raw material, and taking sieve materials below a 2-mesh sieve and above a 6-mesh sieve;
(2) mixing materials: uniformly stirring the sieve material obtained in the step (1) with water and cement according to a certain proportion to obtain a bottom blank raw material;
(3) pre-drying: pre-drying the blank raw material for 1-4 h;
(4) starting the brick machine and the die pressing system, feeding the pre-dried bottom blank raw material into a hopper of the brick machine through a conveying belt, enabling a material distribution box of the brick machine to advance, fully distributing the bottom blank raw material in a mould and returning, pressing down the pressing cover while opening the first electric control valve, then pressing the bottom blank raw material by the pressing cover, enabling air pressure airflow to flow from the upper part of the bottom blank raw material to the side part and the bottom part, and opening the spring pressure valve and entering the mixed air inlet chamber when the air pressure in the water collection tank exceeds the tolerance value of the spring pressure valve to realize airflow circulation;
(5) after the bottom blank raw material is pressed into a bottom brick blank, the gland is lifted back, meanwhile, the first electric control valve is closed, and the lifting rod is lifted to push the bottom brick blank out of the brick mold groove; then the material distribution box advances again, the base brick blanks are pushed away, then the base brick blanks are fully distributed in the die and returned, and the process is circulated;
(6) Cleaning: when cleaning is needed, firstly, cleaning liquid is added into the brick mold groove, the pressing cover is controlled to descend and be inserted into the brick mold groove, then the first electric control valve is controlled to be opened, the cleaning liquid at the lower part of the brick mold groove is pressed into the water collecting tank, and the air pressure in the water collecting tank rises; then closing the first electric control valve and opening the second electric control valve, wherein the upper part of the water collecting tank is positive pressure, and returning cleaning liquid into the brick mold groove and washing the reticular pressure plate; then the second electric control valve is closed, the first electric control valve is opened, and the process is repeated repeatedly in such a way, so that the cleaning solution can wash the reticular pressure plate; and finally, discharging the waste residue and the cleaning liquid together through the discharge groove.
10. The method of making a brick as claimed in claim 9, wherein: the pre-drying time in the step (3) is 1.5-2.5 h.
CN202010699397.3A 2020-07-17 2020-07-17 Die pressing system for full-automatic static-pressure brick machine and application method Pending CN111844367A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010699397.3A CN111844367A (en) 2020-07-17 2020-07-17 Die pressing system for full-automatic static-pressure brick machine and application method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010699397.3A CN111844367A (en) 2020-07-17 2020-07-17 Die pressing system for full-automatic static-pressure brick machine and application method

Publications (1)

Publication Number Publication Date
CN111844367A true CN111844367A (en) 2020-10-30

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Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
CN (1) CN111844367A (en)

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