139 results about "Fast filling" patented technology

The utility model discloses a solid-phase extraction filling device which comprises a shell, a material box is fixedly connected to the shell, a plurality of discharging holes are formed in the material box, a first partition plate and a second partition plate are fixedly connected in the shell, a feeding mechanism is arranged between the first partition plate and the second partition plate in a sliding mode, and a plurality of first via holes are formed in the first partition plate. The first via hole is communicated with the discharging hole, a plurality of second via holes are formed in the second partition plate, and the first via hole and the second via holes are completely staggered; the material receiving assembly comprises a base, a mounting frame is elastically arranged in the base, a plurality of hollow column pipes are placed on the mounting frame, a limiting seat is fixedly connected into the shell, the limiting seat is matched with the base and located below the second via hole, and a plurality of vibration motors are fixedly connected into the mounting frame. According to the utility model, a plurality of hollow column tubes can be quickly filled, so that a solid-phase extraction column is obtained, and an adsorbent material is more uniform and compact through the vibration motor.

The present invention relates to an injection mold for a multi-insert housing, the injection mold comprising a fixed mold device and a movable mold device. The fixed mold device comprises a fixed mold seat, an injection assembly and a fixed mold core, the injection assembly comprises a manifold, at least two injection head mechanisms and a heating mechanism, the manifold is provided with a main injection flow channel and a plurality of branch flow channels, each injection head mechanism is connected to a corresponding branch flow channel, the main injection flow channel is used to connect to the injection molding device, and the heating mechanism is used to heat the manifold. The movable mold device comprises a movable mold seat, a slider assembly, a clamping assembly and a movable mold core, the movable mold core and the fixed mold core are combined to form a molding cavity, the molding cavity comprises an inner ring space, an outer ring space, and a plurality of spoke spaces. The injection molding device injects hot melt into the main injection flow channel, the melt is injected into the inner ring space at multiple points along the branch flow channels and the corresponding injection head mechanisms, and then diffuses to fill the entire molding cavity, and the lateral inserts and the bottom inserts are correspondingly molded on the workpiece. The mold realizes multi-point joint injection and can quickly fill the entire molding cavity.

The invention discloses a light-weight aluminum alloy casting low-pressure forming device and an operation technology, and the light-weight aluminum alloy casting low-pressure forming device comprises a heat preservation furnace which is installed on a lifting base and is provided with a liquid rising pipe, an opening and closing cylinder installed on a support, and an upper mold installed at the lower end of the opening and closing cylinder, a connecting pipeline matched with the output end of the air compressor is arranged on the outer wall of the heat preservation furnace, a pressure relief pipeline is further arranged on the heat preservation furnace, and the heat preservation furnace further comprises a gas rapid filling unit. The low-pressure casting machine is provided with the quick gas filling unit, so that a large amount of nitrogen can be quickly filled into the furnace, the gas filling time is shortened, the working efficiency of the low-pressure casting machine is greatly improved, and the quick gas filling unit can be repeatedly used by releasing the nitrogen in the furnace into the hollow pipe for the first time; and meanwhile, the nitrogen is extruded by the gravity of the heavy object to maintain the air pressure in the furnace to reach a set constant pressure range, and the device is also suitable for different liquid levels of molten aluminum alloy in the furnace.

The invention relates to the technical field of high-pressure hydrogen storage of hydrogen fuel cell automobiles, and provides a high-pressure hydrogen storage bottle opening combination valve with a streamline runner and a control method. The combination valve integrates a high-pressure stop valve, a two-way flow regulating valve, a filter and a pressure / temperature / flow sensor, an air supply channel, an air inflation channel, a discharge channel and a cooling channel are designed, and the air supply channel and the air inflation channel are provided with a common rail type channel. A pilot-operated pressure reducing valve and a main runner bidirectional flow regulating valve are additionally arranged on the gas supply channel to form a two-stage pressure reducing system, so that the pressure and flow of hydrogen at an outlet are effectively limited, and the hydrogen is safely conveyed to a fuel cell; a redundant one-way valve is additionally arranged on an inflation channel to achieve rapid filling. Flow resistance and turbulent flow dissipation are remarkably reduced through a streamline channel, a sealing interface is reduced through modular integration, actuation response and power density are improved, and safety and stability of pressure reduction gas supply and high-pressure filling working conditions, intrinsic safety of the system and reliability of the whole life cycle are ensured.

The utility model belongs to the technical field of flood control devices, and particularly relates to a flood control device convenient and fast to fill, which comprises a flood control device body, the flood control device body comprises a flood control blocking box, a filling groove is reserved at the top of the flood control blocking box, and a handle is fixedly connected to the inner wall of the filling groove. The top of the flood prevention blocking box is provided with a splicing hole, the bottom of the flood prevention blocking box is in threaded connection with an insertion rod, the surface of the flood prevention blocking box is fixedly connected with a sealing mechanism, the sealing mechanism comprises a bottom sealing gasket, and the surface of the bottom sealing gasket is fixedly connected with the bottom of the flood prevention blocking box; according to the anti-flood wall, a user can conveniently and rapidly fill the interiors of the filling grooves through the arranged anti-flood blocking boxes, the anti-flood blocking boxes can be rapidly spliced into the anti-flood wall body through the splicing holes, the inserting rods, the clamping grooves and the clamping blocks, meanwhile, splicing seams are sealed through the bottom sealing gaskets and the side face sealing gaskets, and therefore the anti-flood wall body is formed. And the use convenience of the flood control device is improved.

The present disclosure relates to a quick fill device for use with a valve assembly, and related methods of filling a pressure vessel. A valve assembly that can be secured to a pressure vessel includes a vessel, a fill valve, and an overfill valve. A preferred example of the device includes a body, a valve trigger pin, a vent trigger pin, and a handle. A valve engagement end of the body can be releasably secured within the vessel. At this point, moving the handle to an open position causes the valve trigger pin to force the fill valve to an open configuration, and causes the vent trigger pin to force the overfill valve to a fluid venting configuration. A rigid fill tube is in fluid supply communication with a fuel supply port of the body. The fill tube and the handle can be elongate, and extend in a common direction.

An accumulator assembly includes a medium pressure accumulator, having an MPA cavity including a brake-side passage and a pump-side passage. A nonpowered MPA fill valve is interposed fluidically between the pump-side passage of the MPA cavity and a source of pressurized hydraulic fluid. An MPA fill valve seat is located along an MPA fill valve fluid path. An MPA fill valve poppet is configured for reciprocal motion between a poppet rest position and a poppet closed position wherein an MPA fill valve poppet shoulder contacts the MPA fill valve seat to occlude fluid flow therepast. A powered MPA one-way valve is interposed fluidically between the brake-side passage and at least one corresponding wheel brake.

The utility model relates to the technical field of capsule processing, in particular to a capsule filling machine which comprises a processing table, a telescopic pipe, an electric turntable, a lower capsule seat and a covering mechanism, the top end of the machining table is rotationally connected with an electric rotating frame. The telescopic pipe is connected with the output end of the filling assembly. The flow dividing pipe is adjustably connected with the top end of the electric rotating frame through an electric push rod. The two electric turntables are symmetrically and rotationally connected to the top end of the machining table; the covering mechanism is adjustably installed on the electric rotating frame and is far away from the flow dividing pipe, an upper capsule base is detachably installed on the covering mechanism, and a plurality of sets of capsule holes are evenly formed in the upper capsule base. The electric rotating frame rotates along the processing table, the filling assembly and the flow dividing pipe can be driven to rapidly fill the capsule A part on the lower capsule base, the pressing mechanism can be conveniently driven to press the capsule B part in the upper capsule base and the filled capsule A part, medicine powder is prevented from being polluted, the working continuity is high, and the working efficiency is high. The filling efficiency is improved.

The utility model discloses an air chamber shunting joint structure which comprises an air ring, a plurality of shunting pipes and an air cylinder, an air inlet is formed in the front end of the air cylinder, a plurality of exhaust pipes are formed at the rear end of the air cylinder, an air guide cavity is formed in the air cylinder, and the air guide cavity is respectively connected with the air inlet and the exhaust pipes. According to the structure, the air duct is arranged to input cooled air, and then the air in the air duct is shunted and conveyed into the air ring through the shunting pipes, so that the air can be shunted to enter the air ring, the air can uniformly enter the air ring from multiple angles, the air can be ensured to quickly fill the air ring after entering the air, the air in the air ring flows uniformly, and the service life of the air ring is prolonged. Therefore, air can be evenly output from the air outlet of the air ring and evenly cools the film passing through the cooling opening, the cooling effect of the film is good, and the whole structure is practical and reliable.

The application provides an aluminum alloy cored foaming welding wire and a preparation method thereof, and belongs to the technical field of aluminum alloy welding wire production. The application utilizes the principle of thermal decomposition and gas release of the foaming agent in the aluminum alloy foaming welding wire to generate uniform bubbles in the aluminum alloy molten pool, and obtains a porous welding seam with uniform pores through rapid cooling of the molten pool, thereby realizing wide-gap welding repair foaming filling and functional strengthening effect. Compared with the existing aluminum alloy welding wire, the application can realize rapid filling and connection of the welding seam area after aluminum alloy material welding, and the welding seam filling area presents a typical porous morphology; the application can realize direct welding of lightweight porous aluminum alloy material, avoids solidification of the welding seam area, and is helpful to lightweight design; the application can realize welding foaming filling of a metal component cavity, can greatly improve the cavity filling efficiency due to the molten pool foaming, and endows the formed metal component with damping and vibration reduction functions; and the application can be used as an additive manufacturing welding wire, and can directly perform additive preparation forming of the porous aluminum alloy material.

The tundish argon blowing mechanism comprises a tundish and a tundish cover arranged at an opening in the top of the tundish, the tundish cover is provided with an exhaust port, a long nozzle and a plurality of gas supply ports, and gas supply pipe sets are connected to the gas supply ports in an inserted mode. According to the utility model, the gas supply pipe group is arranged in the tundish, the gas supply pipe group mainly comprises the main pipe, the gas supply pipe and the gas supply coil pipe, and the gas supply coil pipe extends around in the tundish, so that argon can be filled in all positions of molten steel, the molten steel can be quickly filled with the argon, and the working efficiency of continuous casting is greatly improved.

The utility model relates to the technical field of drilling fluid filling in drilling operation, in particular to a sealing assembly for filling a drilling fluid liquid additive and a quick filling device. The drilling fluid liquid additive rapid filling device comprises a support, a slurry preparing hopper is arranged on the support, the lower end of the slurry preparing hopper is connected with a conveying pipeline, a sealing assembly is arranged at the upper end of the slurry preparing hopper, a sealed space is formed in the slurry preparing hopper, the sealing assembly comprises a sealing plug, and the sealing plug is inserted into the slurry preparing hopper and matched with the slurry preparing hopper in a sealed mode. A through hole penetrating through the sealing plug is formed in the sealing plug, and a connecting structure used for being connected with an auxiliary conveying pipe is arranged at the through hole. The sealing plug is in sealing fit with the slurry preparing funnel so as to form a sealed space in the slurry preparing funnel, the sealing plug is connected with the additive conveying pipe, liquid additives can be sucked into the slurry preparing funnel through suction force of the sand pump and continue to be conveyed to an external drilling well through the conveying pipeline on the downstream portion of the slurry preparing funnel, operation is very convenient, the filling efficiency can be greatly improved, and the cost is reduced. And the safety is better.

The utility model provides a kind of air supplementing device of single-stage octagonal magnetron sputtering machine, including external air pipe, gas disperser and metal sealing joint, external air pipe gas inlet end is divided into fast filling branch and slow filling branch, the first diaphragm valve and the second diaphragm valve are respectively arranged in fast filling branch and slow filling branch, for independent control branch on-off, gas control knob is located in the input end of second diaphragm valve, for accurately setting left branch gas flow, external air pipe output end is sealed into cavity, gas disperser is arranged in external air pipe output end, dense small gas holes are arranged in the input end of gas disperser, for evenly diffusing gas and preventing cavity bottom particles from lifting and damaging wafer, the device can accurately supplement air to balance air pressure inside and outside cavity, facilitate safe opening valve, and air supplementing can effectively protect wafer.

This invention relates to the field of demolding technology for injection molding equipment, specifically disclosing a demolding device for an injection molding machine with a blower handle. The device includes a base plate, with slide rods symmetrically fixedly connected to the upper surfaces of both sides of the base plate. The slide rods are arranged in pairs, and sliding plates are slidably connected to each slide rod. By setting up a transfer cavity, the device can help quickly fill the mold during injection molding, reducing injection cycle time and thus improving production efficiency. Simultaneously, the transfer cavity can better control the temperature of the raw material, ensuring that the material is injected in its optimal state, thereby improving product quality. Furthermore, by setting up a spiral plate, spiral conveying can be achieved, ensuring that the raw material is uniformly mixed before entering the mold. This helps reduce air bubbles and unevenness in the raw material, thus improving product quality. At the same time, spiral conveying can provide stable pressure, which is crucial for ensuring uniform filling of the raw material in the mold and helps reduce product defects.

The utility model relates to the technical field of pipeline joints, in particular to a reducing three-way pipe. The reducing three-way pipe comprises a pipe body, an integrally-formed fork branch pipe is arranged in the middle of the pipe body, inner ring grooves are formed in the inner ring walls of connectors at the two ends of the pipe body, elastic wrinkled air bags are installed in the inner ring grooves, an air storage ring cavity is formed in the pipe wall, corresponding to the inner ring grooves, of the pipe body, and the air storage ring cavity is communicated with the elastic wrinkled air bags through a plurality of air guide pipes. According to the reducing three-way pipe, the threaded sleeve is pushed to enable the elastic wrinkled air bag to expand, the expanded elastic wrinkled air bag can rapidly fill a gap between the pipe head and a connecting pipeline and firmly extrude the connecting pipeline, and rapid butt joint of the pipe body and the connecting pipeline and sealing performance of connection are achieved. And the expanded elastic wrinkled air bag is of an elastic structure, so that the hidden danger of connection strength failure or sealing failure between the pipeline connecting end and the pipe body caused by pipeline vibration is avoided.

The utility model relates to an engine driving motor cooling fin efficient casting forming mold which comprises an upper mold body and a lower mold body, the upper mold body is provided with a main flow channel, a first flow dividing groove, a plurality of second flow dividing grooves and a plurality of mold cavities, and the lower mold body is provided with a third flow dividing groove, a fourth flow dividing groove, a plurality of mold cores and a plurality of pouring gates. The mold core and the mold cavity jointly form a mold cavity, the first flow dividing groove and the third flow dividing groove jointly form a first sub-runner, the end, close to the main runner, of the first sub-runner is gradually shrunk from the end, away from the main runner, of the first sub-runner, and the second flow dividing groove and the corresponding fourth flow dividing groove jointly form a second sub-runner. The sum of kinetic energy, pressure energy and potential energy of molten metal is kept unchanged in the moving process, the first branch runner is rapidly filled with the molten metal with the increased flow speed in the first branch runner, the process that the molten metal enters the second branch runner is kept synchronous, and therefore the liquid inlet synchronism of the multiple mold cavities in the injection process is improved.

The utility model discloses a copper-embedded cathode steel bar for aluminum electrolysis, which comprises a steel bar body, a casting cavity is arranged inside the steel bar body, a casting copper column is arranged inside the casting cavity, a plurality of casting ports are arranged at the top of the steel bar body, and a graphite layer is arranged on the surface of the steel bar body. By arranging the multiple casting openings, casting liquid can be injected into the casting cavity from the multiple casting openings at the same time, the casting cavity is rapidly filled with the casting liquid, the situation that the casting liquid is cooled and blocks the casting cavity is avoided, and the casting copper column formed by cooling of the casting liquid can be tightly attached to the casting cavity; the multiple casting openings are formed, and after casting, the casting openings can serve as exhaust ports, so that rapid cooling of casting liquid is facilitated, the forming time of the cast copper column is shortened, the production efficiency is improved, and time is saved.

The utility model relates to the technical field of instrument protection, in particular to a petroleum wellhead instrument heat preservation protective cover. The petroleum wellhead instrument heat preservation protective cover comprises a protective box, a rotationally-connected box door is installed on the front box face of the protective box, and a wire inlet hole is formed in the side wall of the protective box; and a sealing part is arranged in the wire inlet hole. Compared with a traditional sealing plaster or anti-explosion sealing joint which seals a wire inlet hole formed in the side wall of the protection box, the heat preservation protection cover for the petroleum wellhead instrument has the advantages that the annular elastic liquid bag is of an elastic structure, and the expanded annular elastic liquid bag can rapidly fill a gap between a pressure guide pipe and a threading pipe and achieve sealing of the gap; cold air outside the protection box is effectively prevented from entering the protection box through a gap, the annular elastic liquid bag of an elastic structure solves the problem that sealing of the annular elastic liquid bag fails due to vibration of the pressure guiding pipe or the protection box in the structural form, and meanwhile the annular elastic liquid bag can adapt to pressure guiding pipes with different diameters.

The utility model discloses a winged part mould relates to mould technical field, including upper mould, the inside fixedly connected with forming assembly of upper mould, the bottom fixedly connected with lower mould of forming assembly, the inside of lower mould is provided with resilience subassembly, the top of upper mould is provided with injection moulding hole, and forming assembly includes male die. This winged part mould is driven male die to go down by upper mould, makes the precise clamping of male block and recess, positioning column and positioning groove, can rapidly and stably fixed cavity, effectively prevents cavity displacement in the injection moulding process, ensures the size accuracy of forming part, through the cooperation of injection moulding hole and glue hole, and the molten plastic can even, quick filling cavity, reduces bubble and material defect such as lack, promotes part quality, and this kind of structure design is reasonable, and the operation is simple, improves production efficiency, and reduces the scrap rate, is helpful to the realization of efficient, high -quality injection moulding production of enterprise, strengthens market competitiveness.

Embodiments of the present disclosure relate to a quick fill valve for a closed loop fluid system. A fluid control system with a quick fill valve for accelerating filling and discharging of a closed loop system to allow temporary opening of the loop to allow filling without a separate vacuum process. The valve operates in two positions: an open position for rapid, unidirectional fluid intake and passive air exhaust; and a closed position for a safe, sealed condition during normal operation. Some embodiments include vacuum-assisted air evacuation in parallel with filling.

The utility model relates to production equipment of an electric power composite insulator, which belongs to the technical field of electric power production equipment and comprises a base, a lower die is fixedly mounted on the upper side of the base, an upper die is arranged on the upper side of the lower die, a lower core rod groove is formed in the inner side of the lower die, and an upper core rod groove is formed in the inner side of the upper die. A glue injection cavity is formed in the upper mold, a plurality of glue injection openings are formed between the glue injection cavity and the upper core rod groove, each glue injection opening corresponds to one concave part in the upper core rod groove, and a stirring mechanism is arranged on the inner side of the glue injection cavity; the stirring mechanism comprises a mounting shell, and a driving motor is fixedly mounted in the mounting shell. According to the production equipment of the electric power composite insulator, a glue solution can quickly enter the upper core rod groove and the lower core rod groove through the plurality of glue injection ports in the glue injection cavity, so that the recesses in the whole core rod grooves are quickly filled, the purpose of quickly injecting glue is achieved, and the production efficiency is improved.

The utility model relates to the technical field of fermenters, and discloses a fermenter with a layered limiting structure, which comprises a fermenter. According to the fermenter with the layered limiting structure, the fermenter is placed at a designated position, a power supply is connected, a barrel cover at the top of the fermenter is opened, then materials needing to be fermented are placed in the fermenter, the materials fall into the fermenter, the bottom of the fermenter can be rapidly filled through a limiting disc, and therefore layered filling is conducted from bottom to top; a barrel cover is used for sealing, a rotating shaft is rotated, the rotating shaft is matched with a stirring rod and an arc-shaped plate to stir materials, and after fermentation is completed, air pressure in the fermentation barrel is released through an adjusting assembly, so that the phenomena of spraying, pipeline explosion and the like generated when workers release the air pressure are avoided, and the device is provided with a stirring device, so that sufficient fermentation is facilitated; meanwhile, an air pressure adjusting structure is arranged, fermentation control is facilitated, meanwhile, the safety of taking out the fermented materials is improved, and actual application and operation are facilitated.

The present invention discloses a shield tunnel portal plugging device, which includes a portal steel ring installed on an inner lining wall, at least two sets of sealing components provided on the portal steel ring, and a plurality of grouting holes pre-buried in the portal steel ring and located between the at least two sets of sealing components. The sealing components are arranged around the circumference of the portal steel ring and at least two sets of sealing components are arranged along the axial direction of the portal steel ring. The plurality of grouting holes are arranged at intervals along the circumference of the portal steel ring. The plugging device of the present invention provides a plurality of grouting holes between the two sets of sealing components, and the plurality of grouting holes correspond to the clock positions of the portal steel ring, so that slurry can be injected from the clock positions of the upper part of the portal steel ring during plugging. The slurry injection is more uniform and the plugging effect is better. Compared with the provision of a membrane bag, it is simpler and more efficient. The plugging method based on the plugging device has simple steps, is easy to operate, can quickly fill the gap, and has a good plugging effect.

The utility model relates to highway crack filling technical field, and disclose a kind of highway crack filling device, including bottom plate;Four universal wheels are fixedly connected in the bottom plate bottom surface;And fixedly connected in the push handle of bottom plate right side surface, the filling assembly is provided in the bottom plate top, the filling assembly surface is provided with adjusting assembly, the filling assembly includes the storage tank in the bottom plate top, the storage tank bottom surface is fixedly connected with four support rods, four the support rod bottom end surface is all fixedly connected with the bottom plate top. Through filling assembly, the position of discharge pipe and the size of discharge port can be conveniently adjusted, so as to adapt to the different shape and size of highway crack, without frequent moving equipment whole, highway crack can be filled quickly, greatly improve filling efficiency, and discharge pipe is designed as telescopic hose and hard tube combination, both ensure the mobility of discharge pipe, also ensure its stability in use process.

The invention discloses a runner design and rapid filling process of one-mold multi-cavity manufacturing equipment, and relates to the technical field of multi-mold cavity filling, and the runner design and rapid filling process comprises the following steps: arranging a runner valve on a sub-runner according to the runner layout of a multi-mold cavity mold, and arranging a sprue valve on a mold cavity sprue to establish a sub-runner cavity; a flow dividing cavity heating device and a mold vertical vibration device are arranged, the pressure and temperature of a flow dividing cavity are collected, data screening is carried out, and flow dividing cavity fluid data are obtained; performing primary adjustment according to the flow dividing cavity fluid data to obtain device balance setting data; the pressure and temperature of the mold cavity are obtained and recorded as mold cavity fluid data, and melt filling is conducted; the method is used for solving the problems that according to an existing multi-mold-cavity filling technology, under the condition that mold cavities and runners are arranged in an unbalanced mode, it cannot be guaranteed that the mold cavities are filled with molten materials at the same time, under the same pressure and at the same temperature, and meanwhile the temperature and pressure of each mold cavity cannot be accurately controlled for rapid filling.

The utility model relates to the technical field of liquid filling, in particular to a high-speed sterile double-liquid-level filling valve which comprises a valve cavity, the upper end of the valve cavity is a closed end, the lower end of the valve cavity is a liquid outlet, a first piston, a second piston and a valve element are sequentially arranged in the valve cavity from top to bottom, a buffer spring is sleeved on the second piston, the first piston pushes the second piston to move, and the second piston pushes the valve element to move. The second piston pushes the valve element to move, and the valve element extends into the liquid outlet to limit the liquid outlet amount. The high-speed sterile double-liquid-level filling valve can be flexibly switched between large flow and small flow, and different filling requirements are met. When the flow is large, the piston II independently controls the flow to ensure quick filling; when flow is small, the first piston pushes the second piston and the valve element, the liquid outlet amount is rapidly adjusted, and accurate control is achieved. By means of the design, the filling efficiency and flexibility are remarkably improved. The whole filling valve is made of high-strength and corrosion-resistant materials and is specially designed, so that the stability and the sealing performance of the whole structure are ensured.

The utility model provides a casting device for an air cylinder, and belongs to the technical field of casting. The casting device for the air cylinder comprises a working platform, a material collecting hopper is arranged in the working platform, a material conveying channel is fixedly connected to the outer portion of the working platform, a recycling assembly is arranged in the material collecting hopper and comprises a material conveying motor, a lifting worm, a scattering worm, a sliding top block and a transmission column, and an auxiliary rod is fixedly connected to the interior of the scattering worm. The feeding assembly is arranged outside the conveying channel, the feeding assembly comprises a reset shaft, a top bottom plate and an elastic clamping plate, a side closing plate is fixedly connected to the exterior of the top bottom plate, a fixing shaft is fixedly connected to the exterior of the elastic clamping plate, and a clamping plate is fixedly connected to the exterior of the fixing shaft. The device has the advantages that the silica sand can be quickly scattered and collected after being cleaned, and the silica sand can be quickly filled.

The volumetric filling device with bottom filling in a protective atmosphere consists of a volume chamber (1), a pre-chamber (25), a movable filling needle (2), an inlet opening of the filling needle (4), a storage tank (5), a product vent valve (8), a product inlet valve (9), packaging carrier (11), a filling valve seat (12), a valve system (13)(14)(15)(16)(17)(18), an overpressure chamber (19), a connecting element (20), a closing flap (21), a discharge pipe (22) and a gas pipe system (7); the volume chamber (1) is designed as a pressure-sealed container, in which a movable filling needle (2) is placed; the volume chamber (1) and storage tank (5) are interconnected by a discharge pipe (22), a product vent valve (8) and a product inlet valve (9); in its basic position, the movable filling needle (2) is connected to the valve system (13)(14)(15)(16)(17)(18); the movable filling needle (2) is stored in a pressurized space, which protects it from being contaminated from the outside environment; in an aseptic environment, its movement and construction enables bottom filling of the product (6) into the packaging (10), the volume filling of the product (6), quick filling of the product (6), and filling of carbonated products (6) into the packaging (10).

The utility model provides a hot die-casting forming device for processing a graphite boat supporting piece, which comprises a base, a lower die is fixed on the base, an upper die is movably arranged on the top of the lower die, a fixing plate is welded on the side of the upper die, a pushing mechanism is movably arranged on the fixing plate, and a pressing mechanism is arranged on the pushing mechanism. One end of the pushing mechanism is fixedly installed on the base, a fixing bolt is rotationally installed on the fixing plate, one end of the fixing bolt movably makes contact with the side of the pushing mechanism, an air inlet pipe and a feeding cylinder are fixedly installed on the upper mold, and a lifting mechanism is fixedly installed at the top of the feeding cylinder. And a movable disc is mounted on the lifting mechanism. According to the hot die-casting forming device for machining the graphite boat supporting piece, during early-stage feeding, the lifting mechanism pushes the movable disc to move downwards, the movable disc seals the feeding pipe and downwards extrudes a material at the bottom of the feeding barrel at the same time, and all positions are rapidly filled with the material under extrusion of the movable disc for rapid forming.

The application provides a preparation method of aluminum alloy foaming welding wire and belongs to the technical field of aluminum alloy welding wire production. After smelting an aluminum alloy base, a foaming stabilizer and a high-temperature foaming body are added step by step, and the foaming welding wire is prepared through processes such as stirring and mixing, rapid cooling of a casting mold, homogenization annealing, multi-pass extrusion and drawing. Through the technical scheme, the application can realize rapid filling and connection of the welding seam area after aluminum alloy material welding, and the welding seam filling area presents a typical porous morphology. The application realizes direct welding of light porous aluminum alloy material, avoids solidification of the welding seam area, is helpful to lightweight design, realizes welding foaming filling of a cavity of a metal component, can greatly improve cavity filling efficiency due to molten pool foaming, and endows the formed metal component with functions such as damping and vibration reduction. The application can be used as additive manufacturing welding wire and can directly perform additive preparation forming of porous aluminum alloy material.