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Tunnel fire-fighting foam filling system
ActiveCN224282704USpeed up replenishmentQuick Quantitative FillingMining devicesDust removalMarine engineeringSolenoid valve
This utility model discloses a tunnel fire-fighting foam liquid filling system, belonging to the field of fire-fighting equipment technology. It includes several fire boxes, a foam liquid filling vehicle, and a monitoring center. Both the fire boxes and the foam liquid filling vehicle are networked with the monitoring center to achieve data exchange. Specifically, each fire box contains a foam liquid storage tank and a first control device. The foam liquid storage tank is equipped with a first liquid level sensor, a solenoid valve, a variable frequency delivery pump, and a first flow meter. A flow regulating valve and a second flow meter are installed on the pressure water pipe. All components are connected to the first control device. The foam liquid filling vehicle contains a foam liquid storage tank, a variable frequency high-pressure pump, a battery, a third flow meter, and a second control device. Both the first and second control devices are connected to the monitoring center. This utility model provides a highly efficient, intelligent, and easy-to-maintain tunnel fire-fighting foam liquid filling system.
Owner:GUANGXI NEW DEVELOPMENT TRANSPORTATION GROUP CO LTD LAIBIN EXPRESSWAY OPERATION BRANCH
Plastic particle uniform plasticizing extrusion equipment
The utility model discloses uniform plasticizing extrusion equipment for plastic particles, which relates to the technical field of plastic processing and comprises a base, a plastic extruder body is fixedly mounted at the top end of the base, a blanking barrel is fixedly mounted at the top end of the plastic extruder body, and a support plate is fixedly connected to the top end of the blanking barrel. A second motor is fixedly mounted at the top end of the supporting plate, the output end of the second motor rotationally penetrates through the lower portion of the supporting plate and is fixedly connected with a rotating column, a mounting groove is formed in the bottom end of the rotating column, and plastic particles about to fall into the discharging opening are further stirred and dispersed through a cross stirring rod, so that the liquidity of the plastic particles is guaranteed; according to the extrusion equipment disclosed by the invention, plastic particles are prevented from being blocked easily when passing through the interior of the discharging opening, so that the feeding speed of the plastic particles is stable, the filling amount of the plastic particles in the extrusion machine is uniform, the extrusion equipment can be uniformly plasticized and extruded, and the practicability of the extrusion equipment is further improved.
Owner:SHANGHAI WOTI NEW MATERIAL TECHNOLOGY CO LTD
Low pressure casting and heat treatment process of high toughness aluminum alloy for contact net ratchet
PendingCN122076954AStable and put into useAvoid the risk of gas explosionFoundry mouldsTrolley linesRatchetManufacturing technology
This invention discloses a low-pressure casting and heat treatment process for high-strength and high-toughness aluminum alloy used in contact wire ratchet, belonging to the field of rail transit component manufacturing technology. The process uses AlSi7Mg0.3 alloy, obtaining high-purity aluminum liquid through two refining and modification treatments. In the low-pressure casting stage, a three-stage pressure control is adopted: the first stage is the liquid-raising stage, the second stage is the mold-filling stage, the third stage is the pressure-increasing and shrinkage-compensating stage, and finally, pressure holding and cooling are performed; followed by T6 heat treatment. This invention solves the casting problems of easy air entrapment in ratchet teeth and easy shrinkage porosity in the hub. The casting has a tensile strength ≥275MPa and a breaking load ≥94.5kN, meeting the requirements for a 2×10 contact wire ratchet. 5 Secondary fatigue load requirements.
Owner:CHINA RAILWAY CONSTR ELECTRIFICATION BUREAU GRP RALL TRANSIT EQUIP CO LTD
Stainless steel water meter housing with flat inlet and outlet, featuring a stacked casting process with one inlet and four outlets.
ActiveCN224273184Uspeed up the flowevenly filledFoundry mouldsFoundry coresHigh densityStructural engineering
This utility model relates to the field of stainless steel water meter casing stacking technology, and discloses a stacking process structure for stainless steel water meter casings with a one-inlet-four-outlet planar water inlet and outlet, including a main gating system. A gating riser is fixedly connected to the top of the main gating system. Multiple branch gating systems are evenly distributed on both sides of the main gating system. A central flange annular opening is fixedly connected to the side of each branch gating system away from the main gating system. A concealed riser is fixedly connected to the top of the central flange annular opening. An inlet / outlet assembly is provided outside the central flange annular opening. The inlet / outlet assembly includes multiple water meter casing inlet pipes, one side of which is fixedly connected to one side of the central flange annular opening. In this utility model, the parallel stacking structure significantly improves cutting efficiency, reduces processing defects, lowers costs, and automatically disintegrates the sand shell after mold cooling, simplifying the casting separation process, improving production efficiency and product quality. Ultimately, the casting has high density and superior mechanical properties.
Owner:JIANGSU YAWEI POUNDRY MATERIAL TECH CO LTD
A preparation method and application of aluminum honeycomb reinforced polyimide rigid foam
PendingCN122277982Ahigh strengthSynergistic improvement of mechanical propertiesPolymer scienceThermal insulation
This invention relates to the field of polymer materials technology, specifically to a method for preparing and applying a rigid polyimide foam reinforced with aluminum honeycomb. The method for preparing the rigid polyimide foam reinforced with aluminum honeycomb provided by this invention includes steps such as surface pretreatment of the aluminum honeycomb core material and fixing the pretreated aluminum honeycomb core material into a molding die. The rigid polyimide foam material reinforced with aluminum honeycomb obtained by this invention not only possesses high specific strength and high specific stiffness, but also inherits the excellent properties of polyimide foam such as high temperature resistance, flame retardancy, low smoke, and thermal insulation. The introduction of the aluminum honeycomb skeleton also improves the material's impact resistance and dimensional stability, making it an ideal multifunctional integrated lightweight structural material with promising application prospects.
Owner:ZIGONG ZHONGTIANSHENG NEW MATERIAL TECH CO LTD
Inorganic copolymer anticorrosive coating and preparation method thereof
The application discloses an inorganic copolymer anticorrosive paint and a preparation method thereof, and relates to the technical field of paints. The inorganic copolymer anticorrosive paint comprises the following raw materials in parts by weight: 20-30 parts of silica sol, 8-15 parts of sodium hydroxide, 30-45 parts of metakaolin, 8-20 parts of quartz sand, 15-25 parts of water, 0.3-2 parts of sodium polyacrylate, 0.2-3 parts of polydimethylsiloxane emulsion, 5-12 parts of modified nanometer titanium dioxide, 6-10 parts of modified epoxy resin, 10-25 parts of hydroxyethyl methacrylate, 5-10 parts of zinc phosphate, 3-8 parts of aluminum tripolyphosphate and 2-6 parts of red iron oxide. The inorganic copolymer anticorrosive paint has scientific raw material proportioning, and the anticorrosive performance is enhanced through the modified nanometer titanium dioxide and the epoxy resin. In the preparation, step-by-step feeding and ultrasonic dispersion are adopted to ensure that the materials are uniform, and vacuum degassing and nitrogen protection are adopted to improve the stability. The silica sol, the zinc phosphate and other components have a synergistic effect, a dense coating is formed, the anticorrosive performance is high, the construction performance is good, and the inorganic copolymer anticorrosive paint is suitable for various scenes.
Owner:IANGSU JINLING SPECIAL PAINT CO LTD
A food processing dosing bagging apparatus
The utility model relates to food processing technical field discloses a kind of food processing quantitative bagging equipment, comprising: the bottom plate of supporting main body, the top rear side of the bottom plate is fixedly connected with support plate, the inner wall of the support plate is rotatably connected with rotating rod, the opposite end of the rotating rod is fixedly connected with electronic scale, the left end of left side support plate is fixedly connected with protection box, the front end of the protection box is fixedly connected with first motor, the rear end of the first motor is provided with transmission assembly, the top of the bottom plate is fixedly connected with support frame, the inner wall of the support frame is fixedly connected with discharging box.In the utility model, the food is weighed by being placed on the electronic scale, the first motor drives the worm at this time, the worm drives the worm wheel, the worm wheel drives the rotating rod, the rotating rod drives the electronic scale, the electronic scale drives the food to fall into the discharging box and then into the packaging bag, so that the weight of the material in each packaging bag can be consistent, and the product quality and consistency are improved.
Owner:SICHUAN LOVE RABBIT FOOD CO LTD
A core shooter sand-shooting pot motion mechanism
Owner:MAANSHAN LIGONG AUTOMATION EQUIP CO LTD
A gear welding device and welding method for a press
ActiveCN121423773BRealize fully automatic transferEliminate offsetProgramme-controlled manipulatorWelding/cutting auxillary devicesMachine visionGear wheel
This invention relates to a gear welding device and method for a press, belonging to the field of press manufacturing. The technical solution is as follows: A gear welding device for a press includes a work platform with a ground rail. A transfer trolley is movably mounted on the ground rail to carry the gear to be welded. Positioners are mounted on both sides of the ground rail, each equipped with a rotatable gripper. A gantry frame is also mounted on the work platform, spanning the ground rail. A welding robot is movably mounted on the gantry frame, its movement direction being horizontal and perpendicular to the ground rail. The welding robot is equipped with a machine vision module. This solution, through the positioner grippers, can precisely achieve 180° rotation of the gear, providing a stable posture adjustment basis for double-sided welding. The welding robot, combined with the machine vision module, enables automated and high-precision acquisition of weld information, providing data support for intelligent welding path planning.
Owner:JIER MACHINE TOOL GROUP
A multi-functional storage device for an off-road vehicle trunk
The utility model discloses a off -road vehicle trunk multifunctional storage device relates to off -road vehicle storage technical field, including device body still includes the refrigerator and pneumatic mattress of setting in the inside of device body and sets up in the support mechanism of device body bottom inner wall, the device body includes the storage box, the side outer wall of storage box is close to the pneumatic mattress and is equipped with the discharge port, the support mechanism includes the support plate of setting in the storage box bottom inner wall, the movable plate is fixedly installed with both ends in support plate bottom, two movable plate bottom all are fixedly installed with fixed rack. The utility model discloses through storage box can store the article, through the refrigerator can conveniently store food, and the movement of movable plate makes support plate can support pneumatic mattress, makes pneumatic mattress can stably spread in off -road vehicle trunk, can provide comfortable rest environment.
Owner:DANYANG YUCHEN AUTOMOBILE TECHNOLOGY CO LTD
Temperature-controllable terminal forming die
The embodiment of the utility model relates to the field of terminal processing, in particular to a temperature-controllable terminal forming die which comprises a first die holder and a second die holder which are oppositely arranged, and the first die holder and the second die holder are oppositely combined to form a cavity; a runner is formed in the first die holder, the first die holder is provided with a heating pipeline used for heating the cavity and the runner, and a cooling pipeline used for cooling the cavity is arranged in the second die holder. According to the technical scheme provided by the invention, the forming efficiency and the forming quality of the terminal can be improved.
Owner:DONGGUAN SENLIAN PRECISION ELECTRONICS CO LTD
A nylon-reinforced cement nail mold and cement nail
ActiveCN224275925UImprove pullout forceMake sure it's absolutely fixedNylon materialBuilding renovation
This utility model discloses a nylon-reinforced cement nail mold and cement nail, relating to the field of injection molding technology. The mold includes a lower mold and an upper mold: the lower mold has nail tip positioning holes to fix the nail tip, and the upper mold has a nail head positioning groove on the top. After the mold is closed, an annular cavity and a recessed cavity are formed. Nylon material is synchronously filled through an integrated flow channel, forming a mechanical interlocking structure. The four corner guide pillars and guide sleeves of the mold adopt a conical fit for self-alignment. The ejection mechanism of the lower mold pushes the nail tip through a conical ejector pin. The bottom of the annular cavity and the side wall of the recessed cavity are provided with multi-stage injection channels, with micropores distributed radially and spirally to uniformly fill the material. The pressure plate of the upper mold presses the nail head through hinges and elastic fasteners. The product produced using this utility model has both high strength and impact toughness, effectively improving fastening and seismic performance, solving the problems of easy falling off and insufficient strength of traditional cement nails. It is suitable for the field of building decoration and has the advantages of compact structure and stable performance.
Owner:QINGDAO HUITIANLONG ENG PLASTICS CO LTD
A method for preparing cubic-shaped calcium carbonate nanoparticles based on monosaccharide regulation and its application
PendingCN122079212Alow costWide variety of sourcesCalcium/strontium/barium carbonatesProductsFructoseNanoparticle
This invention discloses a method for preparing cubic nano-calcium carbonate based on monosaccharide regulation. Using monosaccharides as crystal guiding agents, the resulting cubic nano-calcium carbonate exhibits a cubic structure with an average particle size of 81-115 nm. The monosaccharide is either glucose or fructose. The preparation method includes the following steps: 1. Preparation of calcium oxide; 2. Preparation of monosaccharide-nano-calcium carbonate. The amount of monosaccharide added is 0.8-1.2 wt.% of the calcium oxide mass; the calcium oxide yield is 65-75%. The resulting nano-calcium carbonate has a whiteness value of 90.6-97.3 wb and an oil absorption value of 65.3-89.6 g DOP / 100 g CaCO3.
Owner:GUILIN UNIV OF ELECTRONIC TECH
A fully automatic ointment filling and sealing machine
The utility model provides a kind of full-automatic ointment filling and sealing machine, it is related to pharmaceutical equipment technical field, and it is equipped with feeding conveyor belt in the inside of filling and sealing machine table, lifting cylinder is equipped with in filling and sealing machine table top, filling mechanism includes top plate, connecting ring, ointment storage tank and adjusting assembly, top plate is installed in lifting cylinder output end, connecting ring is rotatably equipped in top plate bottom, ointment storage tank is equipped on top plate, adjusting assembly is equipped on connecting ring, ointment storage tank is connected with adjusting assembly, cover body is equipped above the feeding conveyor belt of filling mechanism side, sealing mechanism is equipped in cover body interior;The utility model adjusting cylinder can drive ointment storage tank to move position in connecting ring, so that the filling pipe of ointment storage tank bottom moves position in synchronization, cooperatively set rotating connecting ring, so that filling pipe can be realized from different position in ointment bottle even filling, avoid ointment in ointment bottle too high accumulation, to avoid the problem of affecting sealing tightness.
Owner:HUANGSHI HYGIENIC MATERIAL PHARM CO LTD
Raw material proportioning mechanism for polyester industrial parent yarn production
ActiveCN224395108URealize quantitative proportioning operationSmall amount of deliverySpinning head liquid feederYarnPolyester
The utility model relates to the technical field of industrial polyester mother yarn production, concretely is raw material proportioning mechanism for industrial polyester mother yarn production, including mounting disc and feeding mechanism, mounting disc is used for with preparation equipment connection, and feeding mechanism sets up on the surface of mounting disc, feeding mechanism includes a plurality of material boxes installed on the mounting disc, and the below of material box is provided with box body, and the above of box body is installed with electric unloading valve, and the above of electric unloading valve is installed with the connecting sleeve screw connection with material box, the utility model discloses, through setting up feeding device, through synchronous assembly drive adjusting assembly control sealing board moves in box body, adjusts the interval between two sealing boards, controls the volume of collection cavity, realizes the rationing of different raw materials, then through push -on component drives the opening and closing of baffle and feeding mouth, realizes rationing operation, reduces the influence of artificial visual error and operating habit difference, ensures that the deviation of each raw material feeding amount and preset ratio is smaller.
Owner:WUXI SUOLIDE TECH DEV CO LTD
An adjustable-size counting board
ActiveCN224277653Uavoid replacementAccurate spacing adjustmentSolid materialDisplay boardStructural engineering
Owner:STA PHARM CO LTD
An injection mold facilitating cavity adaptation
The utility model discloses an injection mold convenient to forming cavity adaptation relates to injection mold technical field, including upper module, ring, connecting plate, bottom module and film groove, the upper module top is provided with forming cavity structure, and the forming cavity structure includes connecting plate, first forming cavity block, second forming cavity block, forming groove, shaping film block and film groove, and the film groove sets up in the connecting plate top, and the shaping film block is installed in the film groove, and the shaping film block top is equipped with first forming cavity block, second forming cavity block, and the first forming cavity block, second forming cavity block inboard is provided with forming groove, and the oblique guide groove of guide plate guides first forming cavity block and second forming cavity block flexible sliding, and the size of forming cavity can be adjusted, and the shaping film block is fixed through the film groove, and it is convenient to replace to adapt to different products fast, and the accurate matching of cooperation forming groove and injection head satisfies the diversified injection demand, and the mold adaptation cost and time are reduced.
Owner:ZHUHAI XINDALI MOLD BASE MOULD CO LTD
An integrated camera module
The utility model relates to camera technical field discloses an integral type camera module, including chip subassembly, chip subassembly includes circuit board, image sensor, support and light filter, image sensor is located on the upper end of circuit board, support is located on the upper end of image sensor, and support lower extreme is located in the non -photosensitive area of image sensor, the one end away from circuit board of support is provided with the mounting groove, light filter is located in the mounting groove, the lower end of support is provided with annular groove, the one end away from circuit board of support is provided with the through -hole of the intercommunication of annular groove, the one end away from circuit board of support is provided with the exhaust hole of the intercommunication of annular groove, through the through -hole injects the glue in annular groove to fixed mounting on the upper end of image sensor with support;Through setting up support in the non -photosensitive area of image sensor, avoid the support to occupy the placing space of circuit board component, improve the space utilization of circuit board to reduce the volume in the X / Y direction of circuit board, and then reduce the volume of camera module.
Owner:SHINE OPTICS TECH CO LTD
A production mold for a motor case
The utility model discloses a production mould of motor shell, including forming mechanism, cooling water adjusting mechanism and adjusting auxiliary mechanism, the forming mechanism includes upper module and bottom module, the cooling water adjusting mechanism includes adjusting pipe and rotating sleeve, the adjusting auxiliary mechanism includes outer tooth ring and damping ring, and the forming mechanism realizes the accurate forming of motor shell through the cooperation of upper module, bottom module, forming block and forming groove, and the design of injection moulding hole through forming block ensures that injection moulding material fills evenly, optimizes injection moulding path, reduces bubble and defect formation, and the combination design of adjusting pipe and rotating sleeve is adopted to cooling water adjusting mechanism, realizes the accurate control to cooling water flow, and the cooperation structure of spin -in block and plugging board can change the flow area of adjusting pipe to adjust the cooling rate, and spin -in block provides constant pressure, ensures that the adjusting system is stable and reliable.
Owner:NINGBO QIGUZE PRECISION AUTO PARTS CO LTD
Mold for bluetooth earphone shell production
The utility model provides a mould is used in bluetooth headset shell production relates to bluetooth headset technical field, including fixed base, the upside of fixed base is provided with headset shell production subassembly, the inside of fixed base is provided with the sliding slot, the lower side inside end of pouring inner bag is connected with the jacking rubber film, the downside of jacking rubber film is connected with the gas rod, the downside of gas rod is connected with the gas inlet pipe, through setting up headset shell production subassembly when pouring is completed and solidifies, through the gas inlet pipe injects gas to the gas rod, along with the gas rod upwardly lifts, the jacking rubber film will pour the headset shell in the inner bag and eject, realizes the quick stripping, and will extrude the shaping block and insert the inside of pouring inner bag through the upper cap, at this moment, the plastic solution is injected into the gap of pouring inner bag and extrusion shaping block through the glue injection port, and the air is discharged through the exhaust port, ensure that the plastic solution evenly fills, after cooling solidification, extrusion shaping block and headset shell are closely combined.
Owner:JIANGXI LUXSHARE INTELLIGENT MFG CO LTD
A high-pressure column forming machine
This utility model relates to the technical field of cement product manufacturing equipment, and discloses a high-pressure column forming machine, including a base plate. A connecting column is rotatably connected to the left side of the base plate. Cams are fixedly connected to both ends of the connecting column. A motor is fixedly connected to the outside of the front cam, and a connecting plate is fixedly connected to the outside of the cam. A bearing plate is fixedly connected to the other end of the connecting plate. A limit component is provided on the outside of the bearing plate to limit its movement. Two adjustment components are provided on the right side of the base plate to flexibly adapt to processing requirements. This utility model effectively reduces the hidden dangers of column cracking and insufficient load-bearing capacity caused by concrete quality problems, ensures that the column forming dimensional accuracy meets requirements, and is simple and convenient to operate, reducing the labor intensity of workers and improving production efficiency.
Owner:NANJING CHANGYOU CAI STEEL STRUCTURE CO LTD
Formic acid tin paste with ultra-low porosity, preparation method and application thereof
The application relates to a formic acid tin paste with ultra-low porosity, a preparation method and application thereof, the tin paste is prepared from the following raw materials in percentage by mass: 85-90% of alloy welding powder and 10-15% of a fluxing agent; the fluxing agent comprises the following raw materials in parts by weight: 5-10 parts of an activator, 1-5 parts of a rheological agent, 30-40 parts of an organic solvent, 20-30 parts of a paste forming agent, 3-5 parts of a surfactant and 0.1-0.5 parts of a corrosion inhibitor, the surfactant is a composition of lauryl amphoteric imidazoline surfactant, isomeric tridecanol polyoxyethylene ether and N-vinyl caprolactam, and the activator is a composition of castor oil acid, ethylenediaminetetraacetic acid and succinic acid amine salt. The surfactant and the activator in the fluxing agent of the application synergistically act, ensure the welding surface and the solder cleanliness, improve the wettability and the flowability, reduce the porosity, make the solder uniformly spread and fill, form a high-quality welding spot, and significantly reduce the tin paste porosity.
Owner:深圳市晨日科技股份有限公司 +1
High-performance prestressed duct grouting material
PendingCN122079572AReduce porosityachieve close packingSolid waste managementMicrosphereWater reducer
The invention relates to the technical field of grouting materials, in particular to a high-performance prestressed duct grouting material which comprises water, cement, silica fume, mineral powder, limestone powder, a water reducing agent, microbeads, a plastic expanding agent, a suspension stabilizer and a defoaming agent.The cement, the silica fume, the mineral powder, the limestone powder and the microbeads are used for constructing a multi-element mineral admixture system; the powder materials with different particle sizes are mutually filled, so that close accumulation among particles is realized, and the void ratio among the powder is effectively reduced, thereby reducing the water consumption required for filling gaps and improving the compactness and the homogeneity of the slurry; meanwhile, the water reducing agent efficiently disperses cement particles through the steric hindrance effect, the microbeads reduce the friction resistance in the slurry through the spherical ball effect of the microbeads, the plastic viscosity and yield stress of the slurry are remarkably reduced through the combined action of the water reducing agent and the microbeads, and the slurry is endowed with excellent initial fluidity and long-time fluidity maintaining capacity; and it is ensured that the slurry can be rapidly and smoothly filled in the prestressed duct.
Owner:FUJIAN EXPRESSWAY TECH INNOVATION RES INST CO LTD
Urea tank bolt re-tightening structure
The utility model provides a kind of urea tank bolt re-tightening structure. Including urea tank body, the upper portion of the urea tank body is provided with vent valve, the upper portion of the urea tank body is provided with sensor bayonet, the side of the urea tank body is provided with mounting bolt. In the utility model, the stable connection of first support, second support is achieved by mounting bolt, and the cooperation of strap fixing bolt, so that the structure stability of urea tank body is greatly improved after installation, the problem of component loosening caused by tank body shaking during vehicle operation can be effectively avoided;Screw is used to realize the thread connection of compression ring, fixing washer and sealing plate at filling port, to form reliable re-tightening sealing structure, which can be well adapted with urea filling gun to ensure smooth filling, and can also prevent urea leakage, and the structure is convenient to disassemble and maintain in later period;The thread connection of limiting sleeve and feed inlet further strengthens the sealing property of tank body assembly connection.
Owner:宁波春华汽配有限公司
Softwood profiled cored compression molded product fill compression molding process
The present application relates to the field of filling mold pressing process, and particularly relates to a cork special-shaped core mold pressing product filling mold pressing process, which comprises a blanking bin forming die, an A scraper, a B scraper, a C scraper, an upper forming die, a mold core and the following steps: the upper forming die is arranged in matching with the blanking bin forming die, and a filling groove is formed in the top of the blanking bin forming die; A scraping grooves are formed in the both sides of the bottom of the A scraper corresponding to the filling groove; B scraping grooves are formed in the both sides of the bottom of the B scraper corresponding to the filling groove, and B scraping grooves two are formed in the inner bottom wall of the B scraping grooves one; C scraping grooves are formed in the both sides of the bottom of the C scraper corresponding to the filling groove. The multiple groups of scrapers are arranged to scrape and fill the mold core in the scrapers, so that the filling is uniform, the density is uniform, the elasticity and strength are consistent, a piece of mold core is added in the inside to be pressed at the same time, the strength of the product after forming is strengthened due to the added mold core, and the product itself is more durable, and is not easy to break and break.
Owner:SHAANXI KORBENA CORK CO LTD
Sand shooting cylinder for vertical sand shooting molding machine
ActiveCN224294645UImprove liquidityfully dispersedMoulding machinesMolding machineMechanical engineering
The utility model discloses a sand shooting cylinder for vertical sand shooting molding machine relates to vertical sand shooting molding machine technical field, including the outer tube, be provided with the inner net tube in the outer tube, the inner net tube outer wall is wound with the air -permeable net inner wall fixed with the air inlet component for blocking sand to pass, the air inlet component with the air -permeable hole on the inner net tube intercommunication, fixed and intercommunication have the pneumatic vibration subassembly of the inner net tube center area on the air inlet component. The utility model can improve the sand flowability of center area to improve sand shooting effect.
Owner:HEBEI KAIEN ELECTROMECHANICAL EQUIP CO LTD
A method of injection molding a flat frame for semiconductor packaging
ActiveCN121625385Beliminate distractionsGuaranteed uniformitySemiconductor packageInjection molding process
The application discloses a kind of injection molding methods of semiconductor packaging flat plate frame, it is related to semiconductor packaging technical field.The method includes: loading in fully enclosed cabin;Subsequently, pre-evacuation mold clamping and injection molding are carried out: upper and lower mould is closed to preset distance but is not locked, injection rod plug is pushed to preset height to advance to discharge part cavity gas;Then, main mold clamping and multi-section injection molding are carried out: after mold is completely locked, injection rod plug is carried out fine injection molding according to multi-section program;Finally, solidification and mold opening are carried out.The application is synergized by fully enclosed environment, pre-evacuation and multi-section injection molding, effectively solve the defects problems such as plastic package body blowhole, sand eye caused by large mold temperature difference, poor gas discharge and extensive injection molding process, can significantly reduce the blowhole proportion of SOP8 flat plate frame plastic package product by 50%-80%, improve product yield and reliability.
Owner:FOSHAN BLUE ROCKET ELECTRONICS
An ecological restoration device for coal mine subsidence areas
ActiveCN224431404Uevenly filledReduce secondary settlementEnvironmental resource managementElectric machinery
This utility model discloses an ecological restoration device for coal mine subsidence areas, relating to the field of ecological restoration technology. It includes multiple support legs and casters, and also includes a grouting mechanism mounted on the support legs; and a soil improvement mechanism mounted on the grouting mechanism. The soil improvement mechanism includes two support frames mounted on the grouting mechanism; a mixing cylinder mounted on the support frames; a fixing cylinder inside the mixing cylinder; a drive motor inside the fixing cylinder; a mixing shaft at the output end of the drive motor; a mixing component mounted on the mixing shaft; a metering detector mounted on the mixing cylinder; and a feed pipe mounted on the mixing cylinder. By incorporating the soil improvement mechanism, this device can add uniformly mixed organic fertilizer and microbial amendments to the grouting fluid during grouting operations to improve the soil.
Owner:SHANXI PROVINCE 139 COALFIELD GEOLOGY & HYDROGEOLOGY CO LTD +1
Energy storage containers and energy storage systems
PendingCN122091879AImprove water tightnessImprove air tightnessBattery isolationInterference fitAmbient water
This application relates to an energy storage container and an energy storage system. The energy storage container includes: a container body with an opening on one side; a door panel rotatably connected to the container body, used to open or close the opening, forming a gap space between the door panel and the container body; and a sealing assembly including an inner sealing strip and an outer sealing strip, the inner sealing strip being connected to the container body and surrounding the opening, and the outer sealing strip being connected to the door panel; the door panel forms an interference fit with the inner sealing strip when the opening is closed, and the outer sealing strip forms an interference fit with the container body when the door panel is closed, thereby sealing the gap space. In this energy storage container, the inner and outer sealing strips respectively seal the inner and outer sides of the door panel when the opening is closed, effectively improving the sealing performance between the door panel and the container body, reducing the probability of ambient moisture and air entering the container body, improving the overall water tightness and air tightness of the energy storage container, and thus improving the operational reliability and stability of the energy storage container and the corresponding energy storage system.
Owner:CONTEMPORARY AMPEREX FUTURE ENERGY RES INST (SHANGHAI) LTD +1