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53results about How to "Precision injection" patented technology

Slope concrete spraying equipment

The utility model provides side slope concrete spraying equipment which comprises a slope top moving mechanism and a slope bottom moving mechanism which are arranged on the top of a side slope and the bottom of the side slope, a guide mechanism parallel to the side slope is arranged between the slope top moving mechanism and the slope bottom moving mechanism, and a spraying mechanism capable of sliding in the height direction of the side slope is arranged on the guide mechanism. A lifting mechanism connected with the spraying mechanism is arranged on the slope top moving mechanism, a concrete spraying machine is arranged on the slope bottom moving mechanism, and the conveying end of the concrete spraying machine is connected with the spraying mechanism through a telescopic hose. The moving mechanisms are arranged at the top and the bottom of the side slope and matched with the guide mechanism parallel to the side slope, so that the spraying mechanism can stably ascend and descend along the guide mechanism, ecological concrete is accurately sprayed to the side slope, mechanization and continuity of spraying operation are effectively achieved, and the working efficiency is improved. And the phenomena of concrete dispersion and waste caused by long distance and large height in manual operation are avoided, and the spraying uniformity and the construction quality are remarkably improved.
Owner:THE FIRST CONSTRUCTION COMPANY OF CCCC SECOND HARBOR ENGINEERING CO LTD

Microinjection device

ActiveCN116286263BEasy to clamp and fixAspirate liquid accurately and quantitatively
The application discloses a micro-injection device, which comprises a shell and a liquid suction push rod penetrating through the shell, one end of the liquid suction push rod is located outside the shell, the other end is provided with a clamping piece for fixing an injection needle, a liquid suction assembly is further arranged in the shell, the liquid suction assembly comprises a first gear for driving the liquid suction push rod, the first gear is further connected with a zero setting part located outside the shell, a first gear rack is arranged on the rod body of the liquid suction push rod, the first gear rack is connected with the first gear through a first secondary gear meshing with the first gear rack, the zero setting part is a zero setting gear, the zero setting gear is connected with the first gear through a connecting rod, and a rotatable scale disc is arranged on the zero setting gear in a sleeving mode along the circumference of the zero setting gear. The injection needle can be conveniently clamped and fixed, the liquid suction push rod cooperates with the first gear and the zero setting part to realize accurate and quantitative liquid suction and quantitative injection, and the operation is convenient.
Owner:FOURTH MILITARY MEDICAL UNIVERSITY

Micro-fluidic chip reagent injection device and injection method

The application discloses a micro-fluidic chip reagent injection device, which comprises a liquid storage part with at least one quantitative sealed container, a flexible pressure-bearing membrane arranged on the top of the container body of the quantitative sealed container, a hard flow guide column arranged on the bottom of the container body, and a sealing membrane arranged on the liquid outlet; a liquid inlet part comprising a flow column and a liquid storage pool arranged on the micro-fluidic chip, the inner cavity of the flow column is matched with the outer diameter of the hard flow guide column, a gas guide channel is arranged on the contact surface of the flow column and the hard flow guide column for connecting the inner cavity of the flow column with the external environment, and a puncture part opposite to the sealing membrane is arranged on the flow column; wherein the hard flow guide column has a first plug-in position for making the puncture part puncture the sealing membrane when the hard flow guide column is pressed down. The device has the advantages of simple structure, low cost, convenient use, accurate quantitative injection and biological hazard prevention. The application also discloses a micro-fluidic chip reagent injection method.
Owner:AUTOBIO DIAGNOSTICS CO LTD

Welding fixture for dissimilar materials

The utility model discloses a welding tooling applied to dissimilar materials relates to welding technical field, including the carrier plate for bearing copper material and aluminum material, and the carrier plate is provided with the fixture for fixing copper material and aluminum material two position, the welding tooling still includes the water tank of can accommodate carrier plate and make the cooling liquid can immerse the welding area between copper material and aluminum material, and the spray assembly of the fixed or movable mode to the welding area spray cooling liquid is selected. The utility model discloses through setting up the carrier plate of bearing copper material and aluminum material and fixed clamp, can ensure two kinds of to be welded material to keep stable relative position in the welding process, avoid because of the misplacement of welding thermal stress or mechanical disturbance, and the water tank of can accommodate carrier plate and make the cooling liquid immerse the welding area is integrated simultaneously, and the spray assembly of optional fixed or movable mode, make the tooling have the double function of whole immersion cooling and spray cooling.
Owner:ANHUI WORLD WIDE WELDING CO LTD

An engine cylinder head and an electronic injection system thereof

ActiveCN224496579UIncrease power outputImprove fuel economy
This utility model discloses an engine cylinder head and its electronic fuel injection system, including a cylinder head body. The cylinder head body has an intake manifold, an exhaust manifold, and a connecting surface for connection and mating with the engine block. The cylinder head body has a fuel jet channel communicating with the intake manifold. A cylinder head fuel jet clearance groove is provided on the inner wall of the intake manifold near the inner end of the fuel jet channel. An intake valve is installed on the cylinder head body, with its valve head installed in an intake valve seat hole. An intake pipe is installed on the cylinder head body on one side of the intake manifold. An injector seat is provided on the intake pipe, and an injector mounting hole communicating with the fuel jet channel is provided on the injector seat. An injector is installed in the injector mounting hole, and the linear distance between the injector nozzle and the center of the valve head is 70mm to 110mm. By precisely defining the position and mating relationship between the components, the overall performance of the engine is maximized.
Owner:CHONGQING LIFAN RUICHI MASCH MFG CO LTD

High-precision boring device for automobile steering rocker arm

ActiveCN224390037USolve core pain pointsSolve cross-flow problemsPositioning apparatusMaintainance and safety accessoriesWater leakageSlide plate
The utility model belongs to the technical field of automobile accessory processing, especially relates to a high-precision boring device for automobile steering rocker arm, including support, top passes through lifting mechanism and connects the bearing plate, is provided with the convex rail with electric cylinder on the bearing plate symmetry, the convex rail is through the linkage sliding plate of sliding block, electric cylinder drives the sliding plate horizontal movement through the driving plate, the sliding plate installs main motor, the motor output shaft drives the rotation shaft through the shaft coupling, the shaft end fixed boring cutter, the support side is provided with the lower storehouse, built -in pullable water connection tank, the upper configuration processing storehouse, bottom is equipped with the water leakage hole, both sides arrange multidimensional mounting hole to be connected with the holding assembly in screw threads, additionally set up independent water supply mechanism, through the suction pipe connection shower nozzle sprays the coolant to the processing area. The utility model with processing storehouse insulates dangerous chippings, with the help of high rigidity structure and controllable cooling, realizes safe, efficient, high-precision steering rocker arm boring processing.
Owner:RIZHAO SHIZHENG FORGING

Unmanned aerial vehicle cooperative auxiliary fire extinguishing system for super high-rise building facade fire

The invention relates to the technical field of fire rescue, and discloses a super high-rise building facade fire unmanned aerial vehicle cooperative auxiliary fire extinguishing system which comprises a task layer, a control layer, an execution layer and a guarantee layer. According to the system, an in-building water taking-floor relaying-window guiding-unmanned aerial vehicle short-range external spraying technical route is adopted, a fire-fighting vertical pipe and an indoor fire hydrant in a building are used as main water supply links, and floor relaying platforms are arranged on the first floor to the third floor below a firing floor. According to the super high-rise building facade fire unmanned aerial vehicle cooperative auxiliary fire extinguishing system, the long-distance vertical water delivery task is borne by an existing fire-fighting vertical pipe in a building, and the unmanned aerial vehicle only needs to bear the load of a short overhanging water hose outside a window and the near-wall spraying task; the on-way loss of the water hose, shimmy impact and the coupling degree of jet reaction force and a flight control system are effectively reduced, the core defects of heavy load, high coupling and poor stability of a traditional ground long-distance water hose pulling-up mode are overcome, and meanwhile the problems of insufficient load and endurance of an airborne fire extinguishing agent mode are avoided.
Owner:CHONGQING GONGCHUANG FIRE SAFETY TECHNICAL SERVICE CO LTD

Dish washing machine and control method thereof

PendingCN121987115Aprecision injectionAvoid getting lost
The invention discloses a dish-washing machine and a control method thereof, the dish-washing machine comprises an inner container, a shelf and a steam output assembly, the shelf is arranged in the inner container and used for placing tableware to be washed, the steam output assembly is installed in the inner container, and at least part of the steam output assembly is arranged on the shelf and used for spraying steam to the tableware to be washed. According to the invention, at least part of the steam output assembly is arranged on the shelf, so that at least part of the steam output by the steam output assembly can be accurately and directly sprayed to the surface of the tableware to be washed, the cleaning effect of the tableware to be washed is enhanced, the situation that the steam is lost in air is avoided, and the utilization rate of the steam is improved.
Owner:QINGDAO HAIER DISHWASHER +1

Skull fixing device and brain micro-infusion system thereof

The utility model discloses a skull fixing device and a brain micro-infusion system thereof, the skull fixing device comprises a base part and a first opening, and the first opening is arranged in the base part; the first groove is formed in one side in the base part; the second groove is positioned on the other side of the base part; and the clamping hook is connected with the second groove. Through close cooperation of the base part, the first groove, the second groove and the clamping hook, a stable fixing effect is provided for the brain micro-drug infusion tube, it is ensured that the infusion tube can be accurately positioned to a target brain area, and therefore accurate injection is achieved.
Owner:ANHUI PROVINCIAL HOSPITAL

An automated feeding system for hydrogen production by catalytic decomposition of formic acid

ActiveCN224271103Uprecision injectionAvoid the problem of instantaneously high formic acid concentrationHydrogenChemical/physical/physico-chemical processesThermodynamicsAcid catalysis
This utility model discloses an automated feeding system for hydrogen production by catalytic decomposition of formic acid. The key technical features include a raw material unit, a feeding unit, a reaction unit, a control unit, and a monitoring unit. The control unit controls the feeding unit to transport formic acid from the raw material unit to the reaction unit. The feeding unit includes conveying pipes connecting the raw material unit and the reaction unit, and is equipped with a feeding pump, a flow meter, and a first pressure sensor. The reaction unit includes a reactor, which is equipped with a second pressure sensor. The control unit controls the rotation speed of the feeding pump based on data from the flow meter and the second pressure sensor, ensuring that formic acid is injected into the reactor at a precise and stable flow rate. This effectively suppresses side reactions caused by local overconcentration, significantly improves the purity of hydrogen, and the stable pressure environment avoids the pressure oscillation phenomenon common in traditional systems.
Owner:XIAMEN GULUOPU TECH CO LTD

Insect pest prevention liquid medicine root irrigation device for tobacco planting

The utility model relates to the technical field of root irrigation devices, in particular to an insect pest prevention liquid medicine root irrigation device for tobacco planting, which comprises a base, a vertical rod, a detachable battery mechanism, a root irrigation cylinder, a root irrigation mechanism and a conveying mechanism. A vertical rod convenient to move is arranged at the rear end of the surface of the base, a detachable battery pack mechanism used for supplying power to the device is arranged at the front end of the vertical rod, a positioning groove is formed in the center of the front end of the surface of the base, a root irrigation cylinder used for containing root irrigation liquid medicine is arranged above the positioning groove, and root irrigation mechanisms used for irrigating roots of tobacco leaves are arranged on the two sides of the root irrigation cylinder. A conveying mechanism used for conveying root irrigation liquid medicine is arranged between the root irrigation mechanism and the root irrigation cylinder. According to the utility model, the root irrigation mechanism is matched with the conveying mechanism, and the position of the hole pressing table can be flexibly adjusted according to the planting distance and growth state of tobacco leaves, so that the root irrigation requirements under different planting conditions are met, and the problems that the root irrigation structure of the traditional root irrigation device is fixed in distance and insufficient in flexibility are effectively solved.
Owner:HUBEI QINGNONG TESTING & TESTING CO LTD

A nanowire-nanotube hybrid sensor and a preparation method and application thereof

PendingCN122168708Aprecision injectionAchieve high spatial and temporal resolution quantitative detectionMicrobiological testing/measurementMaterial analysis by electric/magnetic meansNanowireActive matter
The application discloses a nanowire-nanotube hybrid sensor and a preparation method and application thereof. The nanowire-nanotube hybrid sensor has two regions of a nanochannel and a nanowire electrode by using a conical double-channel microcapillary. A substrate solution is precisely released to a specific site of a single cell through the nanochannel. After a to-be-measured glycosidase recognizes the substrate molecules, the glycosidic bond is cut to release active substances of the electrode. The nanowire electrode is used for real-time quantitative detection of the active substances, so that quantitative detection of glycosidase substances at a single / subcellular level is realized. The application constructs an efficient and universal detection strategy of non-electrochemical active glycosidase by using the nanowire-nanotube hybrid sensor and an electrical signal conversion method of the reaction of specific glycosidase and a substrate, widens the detection range of electrochemical target objects, and provides a promising method for high-time-space-resolution quantitative monitoring of hydrolytic enzymes at a single / subcellular level.
Owner:WUHAN UNIV

Welding device for dissimilar materials

The utility model discloses a welding device for dissimilar materials relates to welding technical field, including the carrier plate for bearing copper material and aluminum material, and the carrier plate is provided with the fixture for fixing the position of copper material and aluminum material both, the welding device still includes the sink of can accommodate carrier plate and make the cooling liquid immerse the welding area between copper material and aluminum material, and the spray assembly of the fixed or movable mode to the welding area spray cooling liquid is selected, the welding device still includes the pusher tooling of being located in the sink and being used for to the welding piece of copper material and aluminum material welding after forming and pushes, the utility model discloses on the basis of having carrier plate, clamp, immersion sink and switchable fixed / movable spray assembly, further add the pusher tooling of being located in the sink. After welding, the product is often difficult to take out directly because of the edge or burr jam and other reasons, and the pusher tooling can directly lift or push out the product, and the material taking is convenient.
Owner:ANHUI WORLD WIDE WELDING CO LTD

Traditional Chinese medicine transplanting and fertilizing device with seedling separating and supporting functions

The application discloses a traditional Chinese medicinal material transplanting and fertilizing device with seedling separating and supporting functions, and particularly relates to the technical field of traditional Chinese medicinal material fertilizing, and comprises a groove plate, an electric cylinder is fixedly installed on one side of the outer wall of the groove plate, and a root protection fertilizing assembly is arranged at the output end of the electric cylinder, wherein the root protection fertilizing assembly comprises a connecting block and an arc-shaped inserting plate; the connecting block is fixed at the output end of the electric cylinder, and the electric cylinder is used for pushing the connecting block to move downward; and the arc-shaped inserting plate is fixed on one side of the connecting block. The root protection fertilizing assembly has the advantages of synchronous protection of the main root periphery and the horizontal side part and precise fertilizing, effectively avoids error damage caused by manual operation during multi-dimensional root fertilizing, and greatly reduces the damage rate of root injection fertilizing, so that the problem that the main root area of the traditional Chinese medicinal material is easily damaged due to excessive or wrong deviation insertion and the damage rate of root injection fertilizing is high is solved.
Owner:山西省农业机械发展中心

Fire extinguishing control system and method for turbofan cannon

The invention relates to the field of offshore platform fire fighting, in particular to a fire extinguishing control system and method for a turbofan cannon. Comprising a controller used for analyzing field data and displaying images; the detection module is used for sensing the temperature, the image and the distance of a field fire, and the detection module is connected with the controller; the processing module is used for receiving the data from the detection module, analyzing and processing the data and then generating a driving instruction for the turbofan gun to aim at the fire, and the processing module is connected with the controller; when an offshore platform has a fire, the system can analyze flame characteristics of a fire area at the first time, filter interference of factors such as environment and wind power, position and aim at the fire center area, command a turbofan cannon to jet, adjust a fire extinguishing system in real time according to flow parameters of the turbofan cannon and flame motion characteristics, and improve the fire extinguishing efficiency of the offshore platform. Accurate fire recognition, accurate aiming, effective spraying and fire suppression can be achieved, the fire extinguishing precision is improved, and the fire extinguishing efficiency can be further improved.
Owner:SHENGDONG RUDONG OFFSHORE WIND POWER CO LTD +3

Superheating control type ammonia fuel supply system based on fuel activity design

ActiveCN117588333BGuaranteed combustion effectTake security into considerationHeat managementCommon rail
The application aims to provide a superheat control type ammonia fuel supply system based on fuel activity design, belonging to the field of fuel supply, comprising a liquid ammonia common rail type supply system, a diesel common rail type supply system, a fuel injection device, a superheat control unit and other components of an engine. Hydroxyl-rich gas is used as a combustion-supporting agent instead of pure hydrogen fuel. The safety of the system is ensured, the dynamic thermal management characteristics during engine operation are fully considered, ammonia fuel superheat control is performed, and the direct control form of the sleeve type valve rod strong magnetic force electromagnetic actuator is adopted for the ammonia fuel injection of the application, realizing high response and precise injection of the double fluid mixed gas. The electromagnetic actuator structure of the multi-hole valve rod is adopted to realize the rapid response of the control valve and the separation of the servo oil circuit and the supply oil circuit; the new valve rod structure is adopted to reduce the weight of the valve and the electromagnetic force demand, improve the response performance, and fundamentally avoid the cavitation problem caused by the traditional control valve structure.
Owner:HARBIN ENG UNIV

Automatic oil supply device for die tapping of television module backboard

This utility model relates to the field of automation technology and discloses an automatic oil supply device for in-mold tapping of a TV module backplate. It includes a support platform, a rotating platform rotatably connected to the outer wall of the support platform, an oil storage tank inside the rotating platform, a connecting block rotatably connected to the outer wall of the rotating platform, a rotating arm on the outer wall of the connecting block, a hydraulic rod on one side of the outer wall of the rotating arm, and an oil delivery pipe on the inner wall of the oil storage tank. An oil outlet tank is fixedly connected to the other side of the rotating arm. In this utility model, pressing the connecting pipe disengages the rotating gear from the limiting gear, allowing for flexible rotation and adjustment of the oil injection pipe angle. Releasing the connecting pipe causes a spring to push the gear back to lock, ensuring a precise and fixed oil injection angle. This achieves the effect of flexibly adjusting the oil injection angle according to actual needs, ensuring accurate spraying of lubricating oil to the tapping point, improving lubrication efficiency and tapping quality.
Owner:NANJING HAOJUN ELECTRICAL TECH CO LTD

High-efficiency cooling type numerical control machining system

The utility model discloses a kind of high-efficiency cooling type numerical control processing systems, including rack and the machine tool main body of installation in rack, rack is provided with sequentially communicating liquid suction pump, water storage tank and water pump, liquid suction pump is provided with suction pipe, suction pipe one end is communicated with liquid suction pump, suction pipe other end is used to suck away coolant and waste chip, filter screen is provided in suction pipe, liquid suction pump and water storage tank are communicated by water delivery pipe, water storage tank and water pump are communicated by water outlet pipe, the mobile end of machine tool main body is provided with injection block, injection block is used to install injection gun, water pump and injection block are communicated by injection pipe;Through the collaborative work of liquid suction pump and filter screen, coolant and waste chip are efficiently separated and recovered, reduce the waste of coolant, reduce the pollution of waste liquid treatment to environment, using liquid suction pump to drive suction pipe to absorb processing area, accelerate air flow, and then assist water cooling, expand cooling mode, further improve cooling effect.
Owner:DONGGUAN DAJIANG INTELLIGENT EQUIPMENT CO LTD

A dynamic compensation liquid injection method and system for lithium ion battery electrolyte and lithium ion battery

PendingCN122599674Aimprove consistencyWeaken the impact of process differences
The application discloses a dynamic compensation liquid injection method and system of a lithium ion battery electrolyte and a lithium ion battery, and relates to the field of lithium ion battery production and manufacturing. The dynamic liquid injection method provided by the application first obtains a reference curve of internal pressure change after battery liquid injection under the premise of fixed battery batch and specified production conditions, and determines a steady-state internal pressure threshold and a steady-state critical change rate as the judgment standard of dynamic compensation based on the reference curve. Then, in actual mass production, a dynamic compensation mode of liquid injection-detection-judgment-liquid compensation-circulation is adopted, and the actual internal pressure change rate reaching the steady state and the actual internal pressure value being stable within the steady-state internal pressure threshold are taken as double control targets, so that the liquid injection amount is accurately controlled to gradually approach the optimal liquid injection amount, the bottleneck of the traditional quantitative liquid injection mode is broken through, the single battery is accurately injected on demand, the influence of individual battery process differences is weakened, and the consistency of the battery after liquid injection is improved.
Owner:HEFEI GUOXUAN HIGH TECH POWER ENERGY

Weight-adaptive dynamic water level adjusting method for washing machine

The invention provides a weight-adaptive dynamic water level adjusting method for a washing machine, and relates to the technical field of intelligent household appliance control. Comprising a water right period pedigree module, a weaving redistribution module, a contract type arbitration module, a physical voucher distribution mechanism, a roller phase mapper, a water injection execution mechanism, a mechanical reset mechanism and an event recording module cooperatively run; after the clothes are loaded, a wheel position sequence is established, and a pedigree rhythm is maintained; internal water redistribution is achieved through weaving actions, and whether the running right condition is met or not is judged; executing contract arbitration to determine a water injection permission when the condition is not met; the voucher mechanism issues a physical voucher according to the arbitration result and triggers water injection execution; the roller phase mapper synchronously controls injection according to an angular position and is reset by a mechanical reset mechanism; and the event recording module records the operation in the whole process and executes parallel set row right to ensure stable adjustment when the operation is abnormal.
Owner:SHANDONG XIAOYA HLDG GRP CO LTD

A centrifugal supercharged steam turbine end seal device

The utility model belongs to steam seal technical field of steam turbine especially relates to a centrifugal supercharged steam turbine end steam seal device, including base, rotating sleeve, rotor main shaft and first bolt etc. Two rotor main shafts are placed in the inside of base and rotate in parallel distribution, one rotating sleeve is fixedly connected to the end of two rotor main shafts away from each other, rotating sleeve and base rotate and contact, and the end of two rotor main shafts close to each other is connected through a plurality of first bolts. By setting up lubricating component, the pressure change caused by piston reciprocating motion is used to cooperate with first check valve and second check valve to carry out accurate control, so that the automatic absorption, stable transportation and accurate injection of lubricating oil are achieved, so that the rotating sleeve is sufficiently lubricated during continuous operation, the excessive wear between the rotating sleeve and the base is effectively reduced, the maintenance cost and downtime of the device are greatly reduced, and the operation efficiency and reliability of the device are improved.
Owner:GUIZHOU QIANXI ZHONGSHUI POWER GENERATION CO LTD

Printing head

The utility model discloses a printing head. Comprising a liquid storage component for storing ink, a driving component and a spraying hole component, the driving component and the spraying hole component are located on the two sides of the liquid storage component respectively, and the driving component can enable the ink in the liquid storage component to be sprayed out of the spraying hole component; the driving component comprises piezoelectric ceramics; the piezoelectric ceramic is provided with an isolation part which isolates the piezoelectric ceramic to be matched with the liquid storage component.
Owner:SUZHOU BOYINCHIN TECH CO LTD

Intelligent agriculture water and fertilizer agent and precise fertilizer applicator for fertilizer mobile fertilization vehicle

The utility model discloses a mobile fertilization vehicle for intelligent agricultural water-fertilizer agents and precise fertilization of fertilizers, which includes an agricultural mobile vehicle, a soil loosening mechanism and a precise fertilization mechanism; Agricultural mobile vehicle: a height adjustment frame is provided on its lower side; Soil loosening mechanism: it is arranged on the right side inside the height adjustment frame; Precise fertilization mechanism: it includes a first rotating shaft, a rounded connecting rod, a second rotating shaft, an inclined plow, a water supply pipe, a water outlet pipe, a slider, a limiting rod and a chute. The chute is opened in the middle of the upper surface of the height adjustment frame, and a slider is slidably connected inside the chute. The lower side of the slider is fixedly connected with a second rotating shaft, and a limiting rod is fixedly connected inside the chute. The outer arc surface of the limiting rod is fixedly connected with the middle part of the slider. This mobile fertilization vehicle for intelligent agricultural water-fertilizer agents and precise fertilization of fertilizers has a precise fertilization position, can more effectively prevent the volatilization of water-fertilizer agents, and improve the absorption efficiency of fertilizers.
Owner:HENAN GUANNING AGRI TECH CO LTD

Sample injection device, sample injection method for sample injection device, and liquid chromatograph system

This invention relates to the field of liquid chromatography systems and discloses an injection device, an injection method for the injection device, and a liquid chromatography system. The injection device includes: an injection valve with a liquid pump interface and a column interface; a quantitative loop connected to the injection valve at both ends; a buffer tube connected to the injection valve at one end; a syringe connected to the other end of the buffer tube; and an injection needle connected to the injection valve. The injection valve has an injection mode, a pressure relief mode, and a sample loading mode. In the injection mode, the liquid pump interface, the quantitative loop, and the column interface are open, as are the buffer tube and the injection needle. In the pressure relief mode, the liquid pump interface and the column interface are open, and one end of the injection needle and the quantitative loop are open while the other end of the quantitative loop and one end of the buffer tube are closed. In the sample loading mode, the liquid pump interface and the column interface are open, as are the buffer tube, the quantitative loop, and the injection needle. This invention can achieve pressure relief during high-pressure injection, enabling precise injection of high-pressure, wide-volume samples within the liquid chromatography system.
Owner:ANHUI WAYEE SCI & TECH CO LTD

A powder injection molding metal parts feeding device

ActiveCN224273301Uprecision injectioninjection implementationElectric machinerySprocket
This utility model relates to the field of metal parts processing technology and discloses a powder injection molding metal parts feeding device. Two sprockets are each fitted with a chain, and a connecting plate is fixedly connected to the outside of the chain. A rotating shaft is fixedly connected inside the connecting plate, and a feeding box is rotatably connected to the outside of the rotating shaft. A baffle is fixedly connected to the outside of the feeding box, and a discharge pipe is fixedly connected inside the feeding box. In this utility model, a motor drives a rotating rod and sprockets to rotate, causing the feeding box on the chain to move. When the baffle hits the top of the hopper opening, the feeding box tilts, and the powder enters the hopper through the discharge pipe and then into the box body, thus achieving automatic feeding. This allows for precise injection of metal powder into the hopper, achieving automated feeding, reducing manual intervention, minimizing direct contact between operators and metal powder, improving production safety, and ensuring the stability of the raw material ratio for each batch of injection molding.
Owner:DONG GUAN WINWAY MIM TECH CO LTD

Lithium-sulfur battery liquid injection auxiliary device

The utility model discloses a lithium-sulfur battery liquid injection auxiliary device, which relates to the technical field of battery liquid injection and comprises a bottom plate, a conveying belt is fixedly mounted on the front side of the upper surface of the bottom plate, guide plates are fixedly connected to the front side and the rear side of the upper surface of the conveying belt, and stand columns are fixedly connected to the left end and the right end of the rear side of the conveying belt on the upper surface of the bottom plate. The front sides of the two stand columns are fixedly connected with moving guide rails, the front side between the two moving guide rails is slidably connected with a liquid injection assembly through a sliding block, supporting plates are fixedly connected between the two stand columns and the bottom plate, an air cylinder is fixedly installed on the side edge of the right supporting plate, and the output end of the air cylinder is fixedly connected with an L-shaped blocking plate. The device has the advantages that the battery is automatically conveyed through the conveying belt, the lifting lead screw driven by the servo motor and the barrier plate controlled by the air cylinder are matched, full-process automation of battery positioning and liquid injection is achieved, manual operation is reduced, the liquid injection efficiency is improved, the liquid injection amount is accurately controlled through the metering pump, and errors caused by manual liquid injection are avoided.
Owner:李钊林

Fireproof blocking device of ventilation opening

The invention relates to the field of fire-fighting equipment, in particular to a fireproof blocking device of a ventilation opening, which comprises a fireproof frame, and a sliding rail extending along the vertical direction is arranged on the lower half part of the fireproof frame; the fireproof assembly comprises a plate body part and a rotating part, and the plate body part is assembled on the sliding rails of the fireproof frame in a sliding mode; the rotating part is rotationally arranged on the upper half portion of the fireproof frame through a rotating shaft part in the middle, a lower protruding block part is arranged at the first end of the rotating part, and an upper protruding block part matched with the lower protruding block part is arranged on the plate body part. The device has the beneficial effects that by means of the matching structure of the rotating part and the fixed part, the locking constraint on the rotating part can be quickly relieved after the fixed part loses efficacy in a high-temperature environment, the gravity of the plate body part is converted into the rotating driving force of the rotating part in cooperation with the convex block matching structure of the rotating part and the plate body part, and instant triggering of downward sliding blocking of the plate body part is achieved; the unlocking lag problem is avoided, and the timeliness of the blocking action is guaranteed.
Owner:GUIZHOU WUJIANG HYDROPOWER DEV +1

A multi-compartment reagent kit filling device

This application relates to a multi-compartment reagent kit filling device, comprising a frame, a drive assembly, a transmission assembly, a base assembly, a shielding assembly, and a filling assembly. The drive assembly is mounted on the frame and is drively connected to the transmission assembly. One end of the base assembly is connected to the transmission assembly, and the transmission assembly drives the base assembly to move vertically. The shielding assembly and the filling assembly are mounted on the base assembly. The dispensing end of the filling assembly corresponds to the target compartment of the multi-compartment reagent kit, and the shielding end of the shielding assembly corresponds to the non-filling compartment of the multi-compartment reagent kit. This application effectively prevents reagent splashing into the non-filling compartment during the filling process, structurally avoiding cross-contamination problems during multi-compartment filling.
Owner:SHANGHAI QIUBEI MASCH TECH CO LTD

Efficient injection machine with automatic centering function

The utility model discloses an efficient injection machine with an automatic centering function, and particularly relates to the field of injection machines, the efficient injection machine comprises a working table, the upper end of the working table is connected with an injection assembly through a connecting frame and a connecting assembly, the injection assembly comprises a movable frame, and a hydraulic cylinder is fixedly arranged at the bottom of the movable frame; and one side of the hydraulic cylinder is sleeved with a hydraulic rod, an injection gun is fixedly arranged on one side of the hydraulic rod, and the four ends of the injection gun are fixedly connected with the movable frame through telescopic rods. By arranging the injection assembly, the injection gun can be driven to move up and down according to the specification of the actual workpiece, and the monitor is installed on the periphery of the injection gun, so that the relative position image of the injection medium flow ejected by the injection gun and the workpiece on the workpiece bearing table can be captured in real time; and the collected image and distance data are transmitted to the controller, so that the accurate control capability is greatly improved, the injection medium can be more accurately injected into the preset position of the workpiece, and the centering deviation is effectively reduced.
Owner:XINLI SEMI CO LTD

Insulin injection pen

The utility model provides an insulin injection pen, and belongs to the technical field of injection pens. An operation unit including a housing; the injection pen further comprises a connecting piece and a separating piece which are arranged in the shell, the connecting piece is detachably connected with the medicine bin, the separating piece is connected with the shell, in the normal use process of the injection pen, the relative positions of the connecting piece and the separating piece are not changed, and the connecting position of the connecting piece and the medicine bin is located in the shell. A first threaded hole is formed in the connecting piece, a second threaded hole is formed in the separating piece, the first threaded hole and the second threaded hole are coaxial, and the medicine bin, the connecting piece and the separating piece are sequentially arranged and distributed; the material pushing screw rod is located in the shell and is in threaded connection with the first threaded hole and the second threaded hole, and a separation part is arranged at the first end of the material pushing screw rod; the device has the advantages that after the medicine bin is separated from the shell, the joint of the connecting piece and the medicine bin is exposed in the view field, the connecting piece and the medicine bin can be separated by disconnecting the connecting piece and the medicine bin, the operation unit and the medicine bin which are made of different materials can be treated or recycled according to the material characteristics, and environmental protection is facilitated.
Owner:KENDO TECH (ZHEJIANG) CO LTD