1723results about "Shaping press ram" patented technology

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.

The invention relates to a preparation method of a thermal shock resistant high-alumina brick. The preparation method comprises the following steps: S1, preparing a regulator; S2, mixing aggregate; S3, preparing a mixed grinding material; the thermal shock resistant high-alumina brick preparation equipment comprises a mixing and grinding device, a brick press and a tray, the mixing and grinding device comprises a mixing and grinding cylinder, a rotating stand, a grinding wheel and a scraper blade, a discharge port is formed in the lower portion of the circumferential side face of the mixing and grinding cylinder, a guide plate is arranged on the lower side of the discharge port, and a cover plate is arranged at an opening in the upper end of the mixing and grinding cylinder in a closed mode. And the cover plate is provided with a feeding hole. The invention aims to solve or at least alleviate the problem that a fine pore structure in a high-alumina brick is not easy to control when the thermal shock resistant high-alumina brick is produced, and provides a preparation method and preparation equipment of the thermal shock resistant high-alumina brick.

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.

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.

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.

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.

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.

The invention discloses a concrete processing device for constructional engineering and a processing method of the concrete processing device, and relates to the technical field of concrete processing devices.The concrete processing device comprises a conveying mechanism, a jacking mechanism, a hydraulic forming table and a feeding mechanism, a plurality of material plates are arranged on the conveying mechanism, the jacking mechanism is installed in the conveying mechanism, and the hydraulic forming table is installed on the hydraulic forming table; the hydraulic forming table is arranged above the jacking mechanism, the feeding mechanism is arranged on one side of the hydraulic forming table, six forming grooves are formed in the lower end of the hydraulic forming table, a first hydraulic cylinder is installed at the upper end of the hydraulic forming table, and a second hydraulic cylinder is installed at the lower end of the hydraulic forming table. And the output end of the first hydraulic cylinder penetrates through and extends into the hydraulic forming table and is provided with an upper mold plate, a pressing block is installed at the lower end of the upper mold plate, and according to the scheme, the problems that an existing concrete machining device needs manual feeding and discharging operation, and the process is tedious are solved.

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.

The invention relates to the technical field of slag brick making equipment, and particularly discloses household garbage incineration slag recycling brick making equipment which comprises two fixing rods used for installing the brick making equipment and further comprises a lower die set fixedly installed on the fixing rods, and the lower die set is fixedly installed on the fixing rods. The lower die set contains an incineration slag mixture, and an inner cavity of the lower die set is enlarged and shrunk along with up-down movement. The upper module is in sliding connection with the lower module, a pressure source is applied to the upper module, and the upper module and the lower module work in a matched mode. According to the household garbage incineration slag recycling brick making equipment, after brick processing is completed, hydraulic equipment is started reversely, an extrusion plate is driven to move upwards to be combined with a bottom frame, then a movable cover is driven to move upwards, namely, a lifting plate is driven to move upwards through a lifting rod, the made bricks are made to be separated from a lower module, brick making integration is achieved, the production efficiency is greatly improved, and the production cost is reduced. Meanwhile, the bricks are suspended and convenient to take out.

The invention relates to the field of extrusion forming devices for concrete block production, and relates to the field of concrete forming, in particular to an extrusion forming device for concrete block production, which comprises a main body unit, comprising a building block forming machine, extrusion equipment arranged on the building block forming machine, a lifting plate arranged below the extrusion equipment, a mold frame arranged on the lifting plate and located below the extrusion equipment, a plurality of partition plates arranged on the inner wall of the mold frame, and concrete discharging equipment arranged on the building block forming machine and located on one side of the mold frame. The building block conveying equipment is arranged on one side of the building block forming machine. According to the extrusion forming device for concrete block production, the driving assembly is arranged to drive the first scraper and the second scraper to stretch out of the stretching-in frame and be attached to the inner wall of the mold, and then solidified concrete left or attached to the inner wall of the mold can be scraped and cleaned when the mold moves upwards; and the subsequent production and forming quality of the concrete blocks is prevented from being influenced.

The utility model discloses a static pressure vibration forming machine for concrete products. The static pressure vibration forming machine comprises a backing material distributing system, a pressing and vibration integrated forming system and a color material distributing system which are sequentially arranged in the horizontal direction. According to the forming machine structure, the bottom die table can be lifted, and vibration and static pressure coexist when products are formed on the same station at the same time.

The invention belongs to the technical field of pressing forming, and particularly relates to a brick pressing forming device and method for high-strength wear-resistant high-aluminum refractory bricks. The brick pressing forming device comprises a base, a controller is arranged on one side of the base, two clamps are symmetrically arranged at the top of the base, a lower mold is arranged between the two clamps, and a pressing cavity is formed in the top of the lower mold; a distance sensor is arranged at the inner bottom of the pressing cavity, a lower pressing plate is slidably connected into the pressing cavity, and the distance sensor is used for detecting the distance value between the inner bottom of the pressing cavity and the bottom of the lower pressing plate. The device is high in pressing efficiency and good in pressing effect, meets actual machining requirements, effectively improves the pressing quality of refractory bricks, meanwhile, all the structures are matched with one another, operation is easy, stability and efficiency are achieved, the machining labor intensity is further reduced, the limiting performance and supporting performance are high, regulation and control are accurate and stable, the refractory brick pressing adaptability is high, energy conservation and emission reduction are achieved, and the practicability is high. The green and environment-friendly processing requirements are met.

The utility model relates to the technical field of brick forming machines, in particular to a cement brick pressure forming machine which comprises a supporting table, the upper end face of the supporting table is rotationally connected with a lead screw through a support, the outer wall of the lead screw is in threaded connection with a forming die, and the upper end face of the supporting table is fixedly connected with a sliding rod through a support. A second door-shaped frame is fixedly connected to the upper end face of the supporting table, a second electric push rod is installed on the upper end face of the second door-shaped frame, a push plate is fixedly connected to the output end of the second electric push rod, and the forming mold can be driven to move left and right through cooperation of a servo motor, a lead screw, the sliding rod and the forming mold. And through cooperation of a second electric push rod, a push plate and a conveying belt, the push plate can be driven to move up and down, so that the cement bricks are automatically pushed out of the forming mold to be discharged, time and labor are saved, and the automation degree is high.

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.

The utility model discloses asbestos cement brick forming equipment which comprises a material receiving table, an air cylinder is fixedly installed on the left side of the material receiving table through a bolt, the output end of the air cylinder is fixedly connected with a material frame through a flange, sliding grooves are formed in the front side and the rear side of the material frame, and L-shaped racks are fixedly installed on the front side and the rear side of the material frame through bolts. A sliding plate is slidably connected to the inner wall of the sliding groove, and a first motor is fixedly mounted on the inner wall of the sliding plate through a bolt. The L-shaped rack, the first motor and the gear are matched to enable the sliding plate to move in a reciprocating mode in the left-right direction, then the sliding plate drives the rake plate through the sliding rod to stir and pave materials in the left-right direction, and meanwhile the rectangular frame is stirred through the stirring shaft, so that the sliding rod drives the rake plate to stir and pave the materials in the front-back direction. Therefore, the purposes of stirring and paving the materials in the frame body and avoiding reciprocating vibration of the frame body so as to prevent the materials from falling to the ground can be achieved.

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.

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.

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.

The invention discloses a heat preservation building block machining device and method for constructional engineering, and relates to the technical field of heat preservation building block machining. The heat preservation building block machining device comprises a base, a pouring table is coaxially arranged above the base, a supporting column is fixedly installed at the circle center of the bottom of the pouring table, and the bottom end of the supporting column is rotationally connected with the base; a plurality of sinking grooves distributed at equal intervals are formed in the surface of the pouring table, through grooves are formed in the inner bottoms of the sinking grooves, a plurality of mounting cylinders distributed at equal intervals are fixedly connected to the inner bottom of each sinking groove, a piston rod is slidably mounted in each mounting cylinder, and a supporting spring is fixedly connected between the bottom end of each piston rod and the inner bottom of the corresponding mounting cylinder; by means of the multiple arranged mold bases, during actual operation, the positions can be rapidly changed, rapid connection between the mold bases can be achieved, meanwhile, pouring and feeding and discharging of the mold bases can be conducted synchronously, the pouring period is greatly shortened, and the purpose of improving the production efficiency is achieved.

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.

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.

The utility model relates to the technical field of aluminum oxide ceramic production, and discloses an aluminum oxide ceramic dry press demoulding device which comprises a main body mechanism and a forming mechanism, the forming mechanism is located at the upper end of the main body mechanism, the main body mechanism comprises a machining table, a mould box and a forming groove, and the mould box is fixedly installed at the inner end of the machining table. The forming groove is fixedly formed in the upper end of the mold box; and the main body mechanism further comprises an electric push rod, a demolding plate, a supporting plate, a guide groove and a guide plate, the electric push rod is fixedly installed at the lower end of the inner end of the mold box, the transmission end of the electric push rod extends into the forming groove, and the demolding plate is fixedly installed at the upper end of the transmission end of the electric push rod. According to the demolding device of the aluminum oxide ceramic dry press, by installing the main body mechanism, the demolding efficiency of the device is conveniently improved, a plurality of pressed blanks in a mold can be conveniently ejected out, the production efficiency is improved, the labor intensity of workers is reduced, the product quality is improved, and the practicability is improved.

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.

The utility model provides an autoclaved flyash-lime brick forming device, which relates to the technical field of autoclaved flyash-lime bricks and comprises a base and a working mechanism, the working mechanism is fixedly connected to the inner side of the base, an adjustable eccentric shaft is driven by a high-power motor to rotate through the arrangement of a dynamic vibration compaction assembly, and the dynamic vibration compaction assembly is driven by a high-power motor to rotate. The centrifugal force is generated, the vibration effect is triggered through the fixed eccentric block, materials are subjected to efficient vibration compaction, the height of the supporting assembly is adjusted according to actual requirements, a stable supporting foundation is provided for the mold assembly, and after the mold assembly is filled with the materials, the mold assembly can be shaped into the needed product form under the pressure effect. The power assembly provides precise power output for the whole device and drives other assemblies to complete corresponding actions, the profiling assembly is driven by the power assembly, a telescopic column conducts telescopic motion in the vertical direction, force is transmitted to a profiling block through a connecting bottom plate, the profiling block exerts pressure on a workpiece so as to achieve extrusion and shaping, and the profiling assembly is driven by the power assembly to conduct telescopic motion in the vertical direction. The quality and the shaping effect of a final product are ensured.

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.

The invention relates to the technical field of concrete block manufacturing, and discloses recycled concrete block manufacturing equipment which comprises a support and further comprises four fixing rods connected to the four corners of the top of the support; the top fixing plate is fixedly connected to the tops of the four fixing rods; the forming box is arranged on the outer walls of the four fixing rods and used for compression forming of the concrete blocks; the forming mechanism is arranged at the bottom of the top fixing plate and used for compressing concrete blocks to be formed in a forming box; the bottom template is arranged at the bottom of the forming box and is used for blocking the forming box from the bottom; the demolding mechanism is arranged at the bottom of the forming box; and the bubble removing mechanism is arranged in the forming box. According to the concrete bubble removing device, through cooperation of an oval disc on the bubble removing mechanism and a swing rod and abutting of a vibration block of a vibration assembly against the surface of concrete, bubbles in the concrete and on the surface of the concrete are effectively removed, and the compactness and strength of concrete blocks are improved.

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.

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.