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1169results about "Shaping press ram" patented technology

Ceramic ball material, method for manufacturing ceramic ball using same, and ceramic ball

A ceramic ball material according to an embodiment includes a spherical portion; and a band-shaped portion formed over a circumference of a surface of the spherical portion. The ceramic ball material has a ratio R1 / R2 of 0.3 or more and less than 1.0, where R1 denotes a surface roughness of an end portion of the band-shaped portion; and R2 denotes a surface roughness of a center portion of the band-shaped portion.
Owner:NITERRA MATERIALS CO LTD

Energy-saving and environment-friendly building brick production device

The invention discloses an energy-saving and environment-friendly building brick production device, which relates to the technical field of building brick production, and comprises an equipment unit, a production unit and a control unit, comprising an upper pressing die assembly arranged on a supporting piece and a forming assembly arranged at the bottom of the upper pressing die assembly and used for conducting extrusion forming on bricks. The upper pressing die assembly and the lower pressing die assembly are used for extruding the forming assembly, so that the forming assembly is moved to the bottom of the hopper for feeding, the utilization rate of raw materials is increased, and the problems of waste and residues caused by the fact that the raw materials cannot effectively enter a forming cavity are solved. And through accurate matching of the upper pressing die assembly and the lower pressing die assembly, materials in the forming assembly are evenly extruded into blocks, the quality and consistency of the bricks are ensured, meanwhile, the continuous feeding, stamping, forming and discharging processes are achieved through automatic design of the device, and the production efficiency is effectively improved.
Owner:JIANGSU SHENYU HARBOR AFFAIRS ENG CO LTD

Ceramic green body rolling forming device capable of continuously and rotatably discharging

The invention discloses a continuous rotary discharging ceramic green body rolling forming device, and relates to the technical field of ceramic green body rolling forming, the continuous rotary discharging ceramic green body rolling forming device specifically comprises a rolling frame, a transverse driving table and a vertical driving table, the transverse driving table is installed at the top of the rolling frame, and the vertical driving table is installed at the top of the transverse driving table; the top of the vertical driving table is slidably connected with a sliding base plate. Through the 120-degree intermittent rotation design of the rotary table, circulating switching of the three stations of blank adding, rolling forming and discharging is achieved, the neutral position period of shutdown blank taking in the traditional technology is eliminated, compared with the prior art, the ceramic blank rolling forming efficiency is improved by 20%, uninterrupted continuous production is achieved, meanwhile, traditional pressing contact type rolling forming is different, and the production efficiency is improved. A mechanical linkage mechanism, a cam, a U-shaped tilting rod and a toothed plate are adopted to automatically control lifting and rotation of a female die, and a driving assembly is matched to drive a male die to synchronously rotate, so that the rolling precision is ensured.
Owner:JIANGSU YIXIANG CERAMIC TECH CO LTD

Molding apparatus for producing floor on the basis of desulfurized ash

A molding apparatus for producing a floor on the basis of desulfurized ash, which relates to the technical field of floor molding apparatuses. The molding apparatus for producing a floor on the basis of desulfurized ash comprises a bottom plate (1), wherein a rotary electric motor (2) is fixedly connected to the top of the bottom plate (1), an upright post (3) is fixedly connected to an output shaft of the rotary electric motor (2), a turntable (4) is fixedly connected to the top end of the upright post (3), connecting rods (5) are fixedly connected to the circumferential surface of the turntable (4), a lower mold assembly (6) is fixedly connected to the end of each of the connecting rods (5) away from the turntable (4), and the lower mold assembly (6) comprises a support plate, a sliding hole, a sliding rod, a sliding plate, a spring, a connecting plate, a molding seat, a molding cavity, and a handle. The support plate, the sliding hole, the sliding rod, the sliding plate, the spring, the connecting plate, the handle, a connecting column (7), and a scraper (8) are provided, and the molding seat is controlled to slide on the support plate by means of the handle, and the scraper (8) can remove excess raw materials from the molding seat, and can level the raw materials inside the molding cavity, which help to ensure the uniform thickness of the produced floor of desulfurized ash.
Owner:JIANGSU UNIV OF TECH

Environment-friendly brick pressing die

The utility model belongs to the field of environment-friendly brick production, and particularly relates to an environment-friendly brick pressing die which comprises a lower die. An upper mold is arranged at the top of the lower mold; a plurality of cavities are formed in the lower mold; the bottom of the lower mold is fixedly connected with a base; the bottom of the base is fixedly connected with a demolding hydraulic cylinder; the output end of the demolding hydraulic cylinder is fixedly connected with a transverse plate; a plurality of spring telescopic rods are fixedly connected to the top of the transverse plate; the spring telescopic rod is located in the cavity, after the mold is opened, the demolding hydraulic cylinder is started, the demolding hydraulic cylinder pushes the spring telescopic rod and the bottom plate to move upwards so as to push a green brick out of the cavity, and therefore automatic demolding is completed. And therefore, the situation that green bricks are adhered to the inner wall of the cavity is reduced, the workload of workers is reduced, the interior of the cavity can be cleaned through ejection of the bottom plate, and residues remaining in the cavity are reduced.
Owner:HUIZHOU ZHONGZHOU ENVIRONMENTAL PROTECTION RESOURCES CO LTD

Molding equipment for refractory brick processing

According to the forming equipment for refractory brick machining, the forming equipment is applied to the technical field of refractory brick forming, the composite die composed of the upper die body, the lower die body and the side die body is arranged, the upper die body, the lower die body and the side die body can punch refractory bricks during forming, and therefore the refractory bricks can be punched and formed in all directions; refractory bricks can be formed more uniformly, the density gradient is reduced, then the cracking phenomenon is reduced, the forming quality of the refractory bricks is improved, downward stamping force of the upper die can be converted into stamping force of the side face and the bottom face through a reversing stamping part arranged in the side die and a lower stamping part arranged in the lower die, all-directional stamping forming is achieved, and the production efficiency is improved. The fixed separating pieces are arranged between the adjacent side dies, the situation that formed refractory bricks are adsorbed on the side dies and are difficult to take out is prevented through side die separation, discharging is more convenient and efficient, meanwhile, abrasion of the side dies and the refractory bricks caused by friction between the refractory bricks and the side dies during discharging can be avoided, the side dies are protected, and the forming quality of the refractory bricks is improved.
Owner:GUANGXI DONGYI NEW MATERIALS CO LTD

Multifunctional building block forming device

The invention discloses a multifunctional building block forming device, and relates to the technical field of building block forming, the multifunctional building block forming device comprises an outer frame, a plurality of groups of conveying belts are arranged at the bottom end of the inner wall of the outer frame, the conveying belts are close to one side of the outer frame, a discharging mechanism is arranged on the inner wall of the outer frame, and a lifting mechanism is arranged on the inner wall of the outer frame; the lifting mechanism is located above the discharging mechanism. And the discharging mechanism comprises a turning plate, the turning plate is rotationally connected with the inner wall of the outer frame, and two sets of first hydraulic rods are hinged to the bottom end of the turning plate. Mixed mortar is added into a forming bin, a first hydraulic rod is used for driving a turning plate to turn over, a forming frame is turned over and inclined, a protruding block slides into the forming frame, compressed building blocks in the forming frame slide out of the interior of a connecting frame, the forming frame is inclined, and the building blocks slide to a conveying belt; and in the building block production process, demolding can be conducted more conveniently and rapidly, and the building block production process can be more efficient.
Owner:ZAOZHUANG QICAI NEW BUILDING MATERIALS CO LTD

Compression molding device for ceramic nozzle of weaving machine

The invention relates to the technical field of ceramic forming equipment, and discloses a weaving machine ceramic nozzle pressing forming device which comprises a workbench, a mold cover installed on the workbench, a mold core inserted into the mold cover, a driving motor installed at the bottom of the workbench, a synchronous plate, a guide plate, a knocking rod, a synchronous rod and a combined groove. In the pressing forming process, a driving motor drives a lead screw shaft and an adjusting roller to rotate, a lead screw lantern ring on the lead screw shaft drives a flat plate and a pressing plate to move downwards, the bottom of the pressing plate can slide downwards through a pressing block connected with a pressing rod, and then the pressing block is inserted into a mold cover to press raw materials, so that a nozzle can be formed; and the knocking rod is pushed to continuously knock in the movement of the lantern ring, so that the knocking range is wider, the oscillation is more uniform, only one driving source is used in the pressing and oscillation processes, the equipment production cost is lower than that in the prior art, and the later maintenance is more convenient.
Owner:WUXI YINSON PRECISION MASCH CO LTD

Pouring device for mullite brick production

The invention relates to the technical field of mullite brick production, in particular to a mullite brick production pouring device which comprises a conveying frame. The storage barrel is arranged above the conveying frame through a supporting frame; the fixing frame is fixedly mounted on the top surface of the conveying frame; the air cylinder is fixedly installed on the top face of the fixing frame, and the telescopic end of the air cylinder penetrates through the top face of the fixing frame; the pressing plate is fixedly installed at the telescopic end of the air cylinder. Compared with the prior art, by arranging the pressing plate and the cleaning assembly, in the resetting process of the pressing plate, a third transmission gear drives a connecting rod to rotate, a coil spring accumulates force, and when the pressing plate is completely reset, the coil spring releases energy, drives the connecting rod to rotate reversely and drives a reciprocating lead screw to rotate, so that a sliding plate is driven to slide back and forth along a guide rod, and a cleaning scraping plate cleans the bottom face of the pressing plate; the bottom face of the pressing plate can be automatically cleaned after the pressing plate is used every time, residues are prevented from affecting next-time use, and therefore automatic cleaning of the bottom face of the pressing plate and collection of materials are achieved.
Owner:ZHENGZHOU KAIYUAN REFRACTORY MATERIALS CO LTD

Building waste brick making device and using method

The invention discloses a building waste brickmaking device and a using method, and relates to the technical field of brickmaking devices.The building waste brickmaking device comprises a supporting frame, a forming mold and a brick mold are slidably arranged on the inner side of the supporting frame, and the brick mold and the supporting frame are jointly provided with an oscillation assembly; the first transmission unit and the second transmission unit are arranged on the brick mold, the pushing rods are movably connected to the inner side of the brick mold, the first square plates are symmetrically installed at the ends of the pushing rods, the cams are rotationally connected to the side faces of the brick mold, the movable plates are slidably arranged on the inner side of the supporting frame, and the pressed blocks are installed on the upper portions of the movable plates. According to the device, through arrangement of the oscillation assembly, when side face oscillation and bottom oscillation act at the same time, materials are effectively extruded in the horizontal direction and the vertical direction, a more compact and uniform structure can be formed, and the vibration effect of the materials is improved; and the quality of bricks is improved.
Owner:CHENGDU IND VOCATIONAL TECHN COLLEGE

Production equipment of assembly type module heat preservation and sound insulation composite board

The invention relates to the technical field of special equipment for energy-saving building material production, in particular to production equipment for an assembly type module heat preservation and sound insulation composite board, which comprises a belt conveyor, a plurality of square casting molds are uniformly distributed on the surface of a belt of the belt conveyor, and two gantry trusses are arranged on two sides of the belt conveyor. An automatic alkali-resisting glass fiber mesh placing device and an automatic XPS plate placing device are arranged at the bottoms of the two door-shaped plates respectively, an automatic alkali-resisting glass fiber mesh pressing device is arranged at the position, located between the two gantry type trusses, of the top of the belt conveyor, and shear type lifters are arranged on the positions, located in the two gantry type trusses, of the outer side of the belt conveyor. The problems that the production efficiency is low, the laying precision is poor, the product consistency and stability are insufficient, and multi-specification production requirements are difficult to meet when alkali-resisting glass fiber screen cloth and XPS plates are laid manually are solved.
Owner:宿迁市科众联新材料科技有限公司

Full-automatic forming equipment and production method for high-pressure vermiculite plate

The invention relates to the technical field of vermiculite board production, in particular to full-automatic high-pressure vermiculite board forming equipment and a production method. The full-automatic high-pressure vermiculite board forming equipment comprises a hydraulic machine provided with a workbench, a middle lifting frame and a lifting seat, and further comprises a mold, the lower die base is installed on the upper table top of the workbench, the die frame is installed on the inner side of the middle lifting frame, and the upper die base is installed on the bottom face of the lifting base. The feeding and discharging device is provided with a supporting table with supporting legs, a feeding box with openings in the upper portion and the lower portion, a pushing frame and a driving mechanism, and the feeding box is located on the upper table top of the supporting table; the driving mechanism comprises two groups of elastic telescopic push rods correspondingly connected with the feeding box and the pushing frame respectively, and linear driving equipment for synchronously applying force to the two groups of elastic telescopic push rods; by means of the feeding and discharging device, full-automatic operation from raw material filling to finished product taking is achieved, the requirement for manual intervention is greatly reduced, the production period is shortened, and the operation efficiency of the whole production line is improved.
Owner:LUOYANG SANHE NEW MATERIAL TECH CO LTD

Sliding plate brick compression molding device and compression molding method thereof

The invention relates to the technical field of brick compression molding, in particular to a sliding plate brick compression molding device and a compression molding method thereof.The device comprises a gantry rack, a hydraulic column ascending and descending in the gantry rack, a switching box device connected with the bottom end of the hydraulic column, an impact die connected with the bottom end of the switching box device and a discharging die arranged below the impact die; compared with the situation that in traditional sliding plate brick pressing production, a mold continuously and rigidly impacts brick raw materials, the internal stress of the raw materials is uneven, and the pressure resistance of the produced sliding plate brick is reduced, the impact mold continuously impacts the brick raw materials, the initial impact mold is subjected to strong flexible thrust which is gradually converted into weak flexible thrust, and therefore the pressure resistance of the sliding plate brick is improved. The internal stress of the brick raw materials is effectively eliminated, finally, the brick raw materials are accurately shaped through impact of rigid thrust, and after machining is finished, the impact die is automatically switched from rigidity to flexibility again under thrust, and preparation is made for next sliding plate brick production.
Owner:江苏盛耐新材料有限公司

Powder compression molding equipment for ceramic ball production

The utility model discloses powder compression molding equipment for ceramic ball production, and belongs to the technical field of ceramic ball production. The powder compression molding equipment for ceramic ball production comprises a machine base, a support is installed on the top of the machine base, a lower die is installed on the top of the machine base, an upper die is connected to the support through a driving part, the driving part is used for driving the upper die to move up and down, the powder compression molding equipment further comprises a supporting plate fixedly connected to the support, a negative pressure shell is installed on the supporting plate, and a dust suction opening of the negative pressure shell faces the top face of the machine base. When the air cylinder is started and the upper die is driven to move upwards, the negative pressure shell can be conveniently driven to automatically clean powder overflowing from the lower die due to stamping, the cleaning process is more time-saving and labor-saving, workers do not need to frequently shut down for cleaning operation, and therefore the overall production efficiency of ceramic balls is improved.
Owner:ACRO NEW MATERIALS (DALIAN) CO LTD

Steel ladle wall magnesium-aluminum-carbon brick pressing device

The utility model provides a steel ladle wall magnesium-aluminum-carbon brick pressing device, relates to the technical field of brick processing, and aims to solve the problems that after a brick is pressed by an existing magnesium-aluminum-carbon brick processing device, corners of the brick are easy to collide with a mold in the process of taking the brick out of the mold for firing due to poor plasticity, and the brick is not easy to deform. The brick pressing device comprises a pressing mechanism, the pressing mechanism comprises an operation frame and a side groove, and a rectangular through groove is formed in the bottom of the inner side of the operation frame; the side grooves are symmetrically formed in the two sides of the operation frame. After a green brick in the base plate is pressed, the mold is lifted, then the movable mechanism is taken out of the mold, and in the process that the green brick is taken out of the mold, the side plate can protect the green brick, so that the green brick is prevented from being collided, the flatness of the green brick is guaranteed to the maximum extent before firing and curing, and the brick is prevented from being damaged.
Owner:CHANGXING HONGFENG CHARGING

Prefabricated brick preparation device

The utility model discloses a prefabricated brick preparation device which comprises a mixing tank and further comprises an intermittent discharging assembly, a stirring assembly and a discharging assembly, the intermittent discharging assembly is arranged at the input end of the top of the mixing tank, the stirring assembly is installed in the mixing tank, and the discharging assembly is installed at the output end of the bottom of the mixing tank. Prefabricated brick raw materials can be placed through the mixing tank, a containing groove is further formed in the side wall of the mixing tank, the containing groove is communicated with the mixing tank through a conveying hole, the containing groove is used for containing the raw materials with the large prefabricated brick dosage, and the main raw materials are conveyed to the mixing tank layer by layer in the continuous conveying process; the additives are also filled into the main raw materials layer by layer, so that the additives are uniformly placed during mixing, and compared with a traditional mode that different raw materials are directly stacked in a mixing tank and then are completely stirred and mixed through a stirring mechanism, the stirring effect is improved, and the situation of non-uniform stirring is reduced.
Owner:HEBEI INSTITUTE OF ARCHITECTURE AND CIVIL ENGINEERING

Pressing equipment for refractory brick production

The invention relates to the technical field of refractory bricks, and discloses a pressing device for refractory brick production, the pressing device comprises a rack, a mold assembly is mounted on the rack, the mold assembly comprises a mold body, the mold body is provided with a vertically through cavity, a cover mold is arranged in the cavity, and a top plate is arranged in the cover mold; the die assembly further comprises a power part which is used for driving the cover die and the top plate to vertically move. A feeding assembly is installed above the mold assembly. The cover die is arranged in the cavity, and the cover die is upwards inserted into the hopper to take materials, so that during insertion, the raw materials can directly and vertically enter the cover die, even if a fillet in a small area protrudes, the raw materials can be normally filled, and the problem of insufficient blanking in the area is avoided; and the compactness after pressing and the quality of the fired refractory brick are ensured.
Owner:SHANDONG WANQIAO GROUP

Molding equipment for ferrite magnetic shoe processing and use method thereof

The invention discloses molding equipment for ferrite magnetic shoe processing and a use method thereof, and belongs to the technical field of ferrite magnetic shoe processing. The device comprises a forming mold, the forming mold comprises a bottom mold assembly and an upper mold assembly, a butt joint assembly is arranged between the bottom mold assembly and the upper mold assembly, the butt joint assembly comprises a butt joint frame, a plurality of butt joint grooves are formed in the butt joint frame, and air supply separation grooves are formed in the middles of the butt joint grooves; a constant-pressure air supply unit is arranged in the middle of the butt joint frame and communicates with a plurality of air supply separation grooves. According to the butt-joint assembly, the constant-pressure air supply unit is arranged, air flow is conveyed into the butt-joint covers through the air inlet pipe, the flow dividing pipe and other structures, when formed magnetic shoes pass through the air supply separation groove, the air flow in the butt-joint covers is fed into the butt-joint grooves, and pre-demolding separation of the formed magnetic shoe materials is achieved; therefore, the damage in the whole process of complete demolding and separation is reduced.
Owner:HEFEI WANCI ELECTRONICS CO LTD

Concrete anti-cracking pressurizing device

The utility model provides a concrete anti-crack pressurizing device, which relates to the technical field of concrete pressurization and comprises a main body and a pressurizing plate, a motor is fixedly connected to the center of the rear side of the bottom of the body and connected with a power source through a circuit. Guide rods are symmetrically and fixedly connected to the left side and the right side of the bottom of the main body, and a bottom supporting plate is further installed on the main body. A pressure plate A is connected with an adjusting plate through a connecting bolt of the adjusting plate, so that hydraulic equipment on a pressurizing plate can pressurize concrete in a space formed by a side plate, a composition plate and a connecting plate, bubbles in the concrete are destroyed, the compactness in the concrete is improved, a linkage block on the pressure plate A can connect the pressure plate A with a pressure plate B, and the pressure plate A and the pressure plate B are connected through the linkage block. The pressurizing range of the device is controlled, and the problems that part of existing concrete manufacturing devices cannot pressurize concrete blocks, and the cracking possibility of the concrete blocks is reduced are solved.
Owner:郭瑞凯

Extrusion forming device suitable for coke oven glazed brick

The invention relates to the technical field of brick machines, and discloses an extrusion forming device suitable for coke oven glazed bricks, which comprises a feeding mechanism and a forming mechanism, the forming mechanism comprises a forming die, a hydraulic assembly used for extruding and forming raw materials and an ejection assembly used for ejecting brick bodies formed through extrusion. The forming die is provided with a plurality of side-by-side vertically-through forming groove bodies. According to the extrusion forming device for the glazed bricks of the coke oven, through the unique design of the filler assembly, the problems that powder raw materials are prone to accumulation, adhesion, uneven distribution and the like in the automatic filling process are systematically solved; the partition bodies are arranged in the filling hopper, so that the raw materials are accurately and directionally filled into a plurality of parallel forming groove bodies, the consistency and accuracy of the filling amount of each brick body are fundamentally ensured, and the sizes and the densities of finished bricks are uniform as much as possible.
Owner:SHANDONG WANQIAO GROUP

Dry pressing forming machine for PTC ceramic heater powder preparation

The invention belongs to the technical field of ceramic preparation, and discloses a dry pressing forming machine for PTC ceramic heater powder preparation, which comprises a shell, and further comprises a lower mold, an upper mold and a lower mold, the lower mold is arranged on the outer wall of the shell, and a demolding mechanism is arranged on the inner wall of the lower mold; the driving module is arranged on the outer wall of the top end of the shell, and an upper mold is arranged at the movable end of the driving module through a connecting mechanism; the collecting mechanism is arranged in the inner wall of the shell; wherein the demolding mechanism comprises a moving rod, and the inner wall of the moving rod is elastically connected with a triangular block through an elastic piece A; through cooperation of the cambered surface block, the moving rod and other structures, the upper mold moves upwards to drive the ejection block to eject a ceramic green body upwards out of the mold cavity, the two sets of lower molds move towards the two sides at the same time to be disengaged from the green body, it is ensured that the green body is not bonded with the mold cavity, and then an operator can take out the green body conveniently.
Owner:JIAXING QILI ELECTRICAL APPLIANCE

Dry pressing forming die and pressing method thereof

The invention discloses a dry pressing forming mold and a pressing method thereof, and belongs to the technical field of powder dry pressing, the mold comprises a lower mold assembly, the lower mold assembly comprises a lower mold base and a lower mold cushion block arranged above the lower mold base, a containing cavity is formed in the lower mold base, and a plurality of mold cores are axially and slidably connected in the containing cavity and the lower mold cushion block; a lower male die assembly is arranged outside the mold core and located on the side, away from the lower die base, of the lower die cushion block, the lower male die assembly is slidably connected with a middle die assembly, and the middle die assembly, the lower male die assembly and the mold core form a cavity. The upper male die floats downwards to enter a certain position of the middle die cavity according to the thickness of the blank, and primary extrusion of cavity powder is completed; then the upper male die, the middle die assembly and the mold core float downwards synchronously, and secondary pressing is conducted on the powder till a blank forms a product; finally, the upper male die ascends to leave the cavity; and the middle mold plate floats downwards, meanwhile, the adjusting mechanism adjusts the position of the mold core to be unchanged, after the product is separated from the mold cavity, the driving mechanism drives the mold core to return instantly, and demolding is completed.
Owner:HENGDIAN GRP DMEGC MAGNETICS CO LTD

Anti-permeation perforated brick processing device

The invention discloses an anti-permeation perforated brick processing device, and relates to the technical field of perforated brick processing devices, the anti-permeation perforated brick processing device comprises a bottom plate and a vertical frame arranged on the top surface of the bottom plate; through the use of the lifting piece, lifting of the mold is facilitated, so that demolding of the porous brick is facilitated, and the production efficiency of the porous brick is improved; the analysis module counts the gray values of the gray blocks on the mold, compares the gray values of the gray blocks with the fluctuation range, finds out the gray blocks with different heights and obtains the row and column numbers of the gray blocks, so that equipment can accurately know the concrete height abnormal area in the mold, a basis is provided for subsequent adjustment, it is guaranteed that concrete at all parts of the porous brick is uniformly distributed, and the production efficiency is improved. The quality problem caused by local concrete quantity difference is avoided; whether the concrete at the corresponding position in the mold is not completely filled or excessively filled is judged, the quality of the perforated bricks is prevented from being affected by insufficient or excessive filling, and it is ensured that the density and structure of each perforated brick meet the standard.
Owner:FUJIAN YIPUTE WATERPROOF TECH CO LTD

Preparation method and device of compact uranium-containing sandstone artificial core

The invention discloses a preparation method of a compact uranium-containing sandstone artificial core, which comprises the following steps: mixing quartz sand and feldspar with different particle sizes, adding clay, uranium-containing minerals and calcium hydroxide powder, and mixing; spraying water for wetting, stirring and cooling to room temperature; adding the mixed system into a rock core mold, raising the temperature and pressure, injecting a small amount of preheated water, and keeping constant temperature and constant pressure for reaction; sequentially introducing carbon dioxide and hydrogen sulfide gas into the core mold for at least three times, and collecting and metering the amount of gas and liquid which do not participate in the reaction; cooling and depressurizing, drying, and metering the gas-liquid amount participating in the reaction; evaluating the pressure, the temperature and the pH value of the reaction, and adjusting the pressure, the temperature and the gas-liquid injection amount until a sample similar to the diagenetic environment of the natural compact uranium-bearing sandstone is obtained. According to the invention, the hydrothermal fluid injection process in the uranium-bearing sandstone diagenesis process and the deposition compaction, cementation, excursion and corrosion diagenesis effects can be truly simulated; and further preparing the compact uranium-containing sandstone artificial core with physical property parameters meeting requirements.
Owner:INST OF ROCK & SOIL MECHANICS CHINESE ACAD OF SCI

Forming press for square pile machining

The utility model discloses a forming press for square pile processing, which relates to the technical field of forming presses and comprises a platform, a plurality of support rods are fixedly connected to the bottom of the platform, a base is fixedly connected to the bottoms of the support rods, and a first cylinder is fixedly mounted at the top of the base. The telescopic end of the first air cylinder is fixedly connected with three telescopic rods through cross rods, a mold is arranged on the top of the platform, the telescopic rods penetrate through the mold and the platform, and the tops of the telescopic rods are fixedly connected with a push plate. By arranging the first air cylinder, the telescopic rod and the push plate, a formed square pile can be rapidly and smoothly separated from a mold, the time and manpower needed by demolding are reduced, the whole production period is shortened, the forming press can produce more square piles in unit time, and the production efficiency is improved. The stable and accurate demolding process can prevent the square pile from being damaged during demolding, such as scraping, deformation and the like.
Owner:SHANDONG SHENGSHI BUILDING MATERIALS TECH CO LTD

Preparation method and preparation device of environment-friendly riverway slope protection brick

The invention discloses a preparation method and a preparation device of an environment-friendly riverway slope protection brick, and relates to the technical field of slope protection brick preparation, the environment-friendly riverway slope protection brick comprises a base frame, a workbench is arranged at the bottom of an inner cavity of the base frame, a lower mold is arranged at the top of the workbench, a connecting frame is arranged on the outer side of the lower mold, an upper mold is arranged above the lower mold, and a moving frame is arranged at the top of the upper mold; guide rods are arranged on the two sides of the base frame, two guide rods are arranged on each side, the connecting frame and the movable frame are installed on the guide rods in a sliding mode, and a control assembly used for driving the movable frame and the upper mold to move downwards is arranged on the top of the base frame. According to the preparation method and the preparation device of the environment-friendly river channel slope protection brick, the raw materials are allowed to have more sufficient time to be uniformly distributed and compacted in the mold through intermittent pressing, so that generation of defects such as bubbles, gaps and cracks can be reduced, and the compactness and the overall strength of the slope protection brick are improved.
Owner:SHANDONG BURAKE NEW BUILDING MATERIALS CO LTD

A lunar soil concrete preparation vehicle based on material extrusion forming technology and its uses

The present invention belongs to the field of space technology, and particularly relates to a lunar soil concrete preparation vehicle based on material extrusion molding technology and its uses. The lunar soil concrete preparation vehicle includes: a lunar soil collection system, a lunar soil transmission system, and a concrete preparation and packaging system; the lunar soil collection system is used to grab and collect lunar soil in place, and the lunar soil transmission system transmits the lunar soil collected by the lunar soil collection system to the concrete preparation and packaging system; the concrete preparation and packaging system includes: a central collection plate (18), an outer pressure-bearing box (19) installed on the central collection plate (18), a lateral push rod (17) arranged directly in front of the outer pressure-bearing box (19), a longitudinal push rod (5) arranged on the side of the outer pressure-bearing box (19), a lunar soil pressure box (4) that can move axially in the axial direction of the outer pressure-bearing box (19), and the lunar soil pressure box (4) is connected to a transmission mechanism to control its reciprocating axial movement. The preparation process of the lunar soil concrete preparation vehicle of the present invention is not affected by external conditions, and the preparation of lunar soil "concrete" can be completely completed only by mechanical extrusion. The device of the present invention has no precision instruments, has strong anti-loss performance, is durable, and is simple to repair. In addition, the device is simple to operate, has a small vehicle weight, and is easy to transfer and transport.
Owner:CHONGQING UNIV

Energy-saving building material production mold and using process thereof

The invention relates to the related technical field of energy-saving building equipment, discloses an energy-saving building material production mold and a use process thereof, and aims to solve the problems that the efficiency is low in the building material manufacturing process and the molded material is not easy to demold. In addition, in the mold closing process, the supporting frame can compress and accumulate pressure on the demolding spring, when the mold is opened, the elastic force of the demolding spring is used for pushing the pressing head to eject out a finished product in the forming mold cavity, and finally the rapid demolding effect is achieved.
Owner:NANTONG JIUKUAN CONSTRUCTION ENGINEERING CO LTD