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76 results about "Vacuum pressure" patented technology

Vacuum pressure is measured relative to ambient atmospheric pressure. It is referred to as pounds per square inch (vacuum) or PSIV. The electrical output of a vacuum pressure transducer is 0 VDC at 0 PSIV (14.7 PSIA) and full scale output (typically 5 VDC) at full scale vacuum, 14.7 (0 PSIA).

Active exhaust saturated oxygen inhalation device

This utility model discloses an active exhaust saturated oxygen therapy device, comprising an oxygen source, an oxygen therapy device, and an active exhaust structure connected sequentially via tubing. The oxygen therapy device includes a respirator, a saturated oxygen mask, and an elastic airbag connected sequentially. The active exhaust structure includes a vacuum tank and a vacuum pump. The elastic airbag has an inlet and an outlet. The saturated oxygen mask is connected to the inlet of the elastic airbag via tubing, and the outlet of the elastic airbag is connected to one end of the vacuum tank via tubing. The other end of the vacuum tank is connected to the vacuum pump. A vacuum pressure sensor is installed on the vacuum tank. This utility model solves the problems of reliance on chamber pressure for exhaust and uneven exhaust in existing technologies. This utility model can achieve uniform and efficient exhaust in low-pressure and zero-pressure environments. It can also effectively handle instantaneous high-flow exhalation, avoiding suffocation and improving the user experience for oxygen therapy personnel.
Owner:SHENYANG CANTA MEDICAL TECH CO LTD

Hot-press sintering method of optical zinc sulfide dome

A hot-pressing sintering method for an optical zinc sulfide rectifier includes the following steps: zinc sulfide powder pretreatment; loading: mixing the pretreated zinc sulfide powder with a sintering additive with a melting point lower than zinc sulfide and loading it into a mold with a thermal expansion coefficient smaller than that of polycrystalline zinc sulfide, placing it in a hot press furnace, closing the furnace, the weight of the mixed powder loaded into the mold exceeding the raw material weight required for the ideal product of the mold, the mold being pre-coated with a release agent; starting up, when the absolute pressure drops below 500 Pa, starting the heating, while continuing to evacuate to no more than 5 Pa; the first stage heating at 5-10℃ / min to the second stage heating at 300-400℃ / min. 00℃ and hold for 1-4 hours; S4, the vacuum pressure at the second stage target temperature of 300-400℃ should not exceed 5Pa; 10 minutes before the end of the second stage, pre-pressurize in a cold state to 40-60% of the process pressure; in the third stage, continue to raise the temperature to 900-1000℃ at 5-10℃ / min, hold for 30-60 minutes after reaching the temperature, raise the process pressure to 20-40MPa in 30 minutes, and finally hold for 60-120 minutes; after the holding and pressure holding are completed, release the pressure, turn off the heating, let it cool naturally, cool with the furnace to room temperature, and then remove from the furnace.
Owner:安徽光智科技有限公司

Vacuum pressure impregnation equipment for self-adapting pressure compensation type reactor

This invention belongs to the field of reactor manufacturing technology, specifically an adaptive pressure-compensated reactor vacuum pressure impregnation equipment. It includes a vacuum pressure impregnation machine body and a paint storage tank. A pump body is located on one side of the top of the paint storage tank. The pump body's inlet end is connected to the inner cavity of the paint storage tank via a pipeline, and its outlet end is connected to the inner cavity of the vacuum pressure impregnation machine body via a pipeline. A partition is fixedly connected to one side of the inner wall of the vacuum pressure impregnation machine body. A rotating shaft slides through the middle of the partition, and a perforated placement tray is fixedly connected to the top of the rotating shaft, including a specification-adaptive automatic tray placement assembly. This invention utilizes the specification-adaptive automatic tray placement assembly, which allows multiple reactors to be impregnated to be neatly and regularly placed on the placement tray without contact between them. During subsequent impregnation, the paint solution penetrates the windings more easily, improving impregnation efficiency. Furthermore, this solution eliminates the manual tray placement process, making operation more convenient.
Owner:ANHUI YINGDA KETE MAGNETIC TECH CO LTD

A mold vacuuming device

ActiveCN224469305UVacuum pressureDust control
The utility model relates to a kind of mould vacuumizing device, including the outer box of vacuum pump group, the horizontal vacuum tank is equipped in outer box, the upper side of vacuum tank is respectively fixedly connected with front vacuum pump and Roots pump by mounting bracket, the gas outlet of front vacuum pump is connected with the gas inlet of Roots pump by connecting pipe;The inside of vacuum tank is vertically inserted and fixed with baffle, and the cavity in the vacuum tank is separated into vacuum pressure-stabilizing chamber and compressed gas cavity by baffle;The gas inlet of front vacuum pump is connected with the vacuum pressure-stabilizing chamber in vacuum tank by pipeline, and vacuum tank is fixedly connected with compressed gas cavity respectively with compressed gas inlet pipe and compressed gas outlet pipe, the inlet of compressed gas inlet pipe is connected with the gas outlet of Roots pump.This vacuum device can store compressed air generated by vacuumizing in vacuum tank, and then stored compressed air can be used when blowing dust, which can reduce energy consumption, and using compressed air can also facilitate the decontamination of vacuum tank.
Owner:WANFENG MERIDIAN LIGHTWEIGHT TECH CO LTD

A method for recycling concrete slabs from building demolition

This invention provides a method for recycling concrete slabs from building demolition, relating to the technical field of concrete recycling from building demolition. The method includes the following steps: sequentially cutting the reinforced concrete slab obtained from building demolition, performing rust removal and rust inhibition treatment on the reinforcing steel, vacuum pressure impregnation treatment, and surface treatment; wherein the vacuum pressure impregnation treatment includes sequentially performing degassing, injecting impregnating material and allowing the impregnating material to penetrate the internal pores of the reinforced concrete slab, and curing treatment. The concrete slabs from building demolition treated by this method possess the comprehensive advantages of maintaining structural integrity, long-term stability of the reinforcing steel-concrete interface, dense and strengthened matrix, and integration of the decorative surface with the structural body.
Owner:BCEG RESOURCES RECYCLING CO LTD

Multifunctional soft x-ray detector and method of making same

The present application relates to a multi-functional soft X-ray detector and a preparation method thereof, comprising: a photoelectric detection chip, an insulating barrier layer and a co-integrated functional material layer; wherein the co-integrated functional material layer is a thin film, and simultaneously has light filtering, protection and online self-cleaning functions; an electrode lead-out end for applying a driving current is arranged on the co-integrated functional material layer. The present application has the beneficial effect that: the present application replaces the dispersed structure of independent optical filter + external protection through co-integration design, the mechanical strength of the device is improved by 3-5 times, and the device can withstand harsh environments of vacuum pressure difference ±1 atm and vibration frequency 50-2000 Hz without the risk of cracking and warping.
Owner:HANGZHOU YUNQI JIYAO TECHNOLOGY CO LTD

Vacuum hot water tank control system for water purifier and water purifier

This invention relates to a vacuum hot water tank control system and a water purifier, comprising a vacuum pressure tank, a pressure relief module, a water replenishment module, a rapid heating module, and a control module. The vacuum pressure tank contains a heating module, a temperature detection module, and a water output monitoring module connected to the control module. By using the vacuum pressure tank, the physical property that the boiling point of water increases with pressure is utilized to safely store superboiling point hot water, improving hot water utilization. The coordinated operation of the pressure relief module and the control module provides a precise gas balance temperature control mechanism and reliable high-temperature pressure relief protection, effectively reducing safety hazards. The coordinated control of the modules by the control module significantly improves the response efficiency for water replenishment during water outages and low-temperature temperature replenishment. Furthermore, after the hot water is depleted, it can automatically switch to instant heating mode to achieve continuous water output, significantly improving the hot water supply capacity and ensuring that the user's need for continuous access to high-temperature hot water is met.
Owner:ZHIJING XINGYAO WATER PURIFICATION EQUIPMENT (SUZHOU) CO LTD

A hydrochloric acid dispensing vessel lined with glass

This utility model discloses a hydrochloric acid dropping tank with a glass-lined interior, relating to the technical field of hydrochloric acid dropping tanks with glass-lined interiors. The present invention aims to solve the problem of dropping stability. The utility model includes a dropping tank and an acid storage mechanism. The acid storage mechanism is located above the dropping tank, and a dropping pipeline connecting to the inside of the dropping tank is installed below the acid storage mechanism. The dropping tank is equipped with a stirring mechanism for stirring the acid solution inside, and a drain valve for emptying the liquid is installed below the dropping tank. This solution uses a vacuum pressure gauge and a gas replenishment valve linked for monitoring and adjustment to balance the negative pressure inside the acid storage tank in real time, avoiding obstruction of discharge and flow rate fluctuations due to negative pressure. Simultaneously, the dropping tank is equipped with a pressure gauge to monitor internal pressure changes in real time, providing parameter references for process operation and achieving pressure self-balancing.
Owner:FUXINDU INNOVATIVE MATERIAL TECH CO LTD

Imprinting device with airbag structure, vacuum nanoimprinting equipment

This utility model discloses an upper imprinting device and a vacuum nanoimprinting equipment with an airbag structure, including: an upper imprinting mold frame, an airbag assembly, an airbag driving device, an airbag vacuuming device, and a cavity vacuuming device. The upper imprinting mold frame is driven by the upper mold frame driving device, and the upper imprinting mold frame has an upper cavity. The airbag assembly is placed in the upper cavity and includes: an upper locking ring plate, a lower locking ring plate, and an airbag. The upper and lower locking ring plates are concentrically arranged and connected to each other, and the edge of the airbag is clamped between the upper and lower locking ring plates. Under the action of the airbag vacuuming device and the cavity vacuuming device, a vacuum pressure difference is formed inside and outside the airbag, and the airbag expands outward, applying downward pressure to the center area of ​​the wafer, causing the wafer to deform accordingly. This utility model achieves deformation of the center area of ​​the wafer by expanding and applying pressure under vacuum pressure difference, thereby improving the accuracy of wafer bonding with the motherboard and the imprinting yield.
Owner:SUZHOU GUANGDUO MICRO NANO DEVICE

Vacuum pressure dynamic compensation control method and system for plastic suction machine based on working condition recognition

The application discloses a vacuum pressure dynamic compensation control method and system of a plastic suction machine based on working condition recognition, and relates to the technical field of industrial control. The method comprises the following steps: collecting real-time production data of the plastic suction machine and extracting a working condition characteristic vector; identifying a working condition switching mode, judging whether to enter a mixed working condition, decomposing N basic working condition characteristic weight vectors after entering the mixed working condition, and calling corresponding optimized control parameter sets; nonlinearly fusing the weight vectors and the parameter sets to generate compensation vacuum pressure control parameters, and performing mixed working condition switching control. The technical problem that the existing control method cannot cope with the vacuum pressure demand contradiction under the mixed working condition of multiple geometric characteristics of a mold, and thus a single control strategy cannot simultaneously meet the requirements of deep cavity rapid air extraction and fine texture stable control is solved, the technical effect that the mixed working condition is intelligently analyzed and dynamically fused to generate compensation vacuum pressure control parameters is achieved, and the vacuum pressure control precision, switching stability and plastic suction molding quality stability are improved.
Owner:QINGDAO WANTALONG PLASTIC PACKAGING CO LTD

A vacuum adsorption system running parameter optimization method based on transfer learning

PendingCN122287388AVacuum pressureAlgorithm
This invention discloses a method for optimizing the operating parameters of a vacuum adsorption system based on transfer learning. Specifically, the method includes: aligning historical and current adsorption condition data by time and dimension to form a sequence of operating condition features; extracting material, roughness, load, pressure, flow rate, leakage, and cycle time features to form a set of node vectors; constructing an initial structure of a semi-naive Bayesian network to generate a set of candidate parent sets; performing parent set competition explicitness calculations to determine the dominant parent set identifier; statistically analyzing the evidence quantity of historical, current, and conflicting samples to generate a local evidence concentration sequence and form a conditional probability table; performing parameter inference to generate vacuum pressure values, pressure holding time values, valve switching time values, and leakage compensation amplitude values; and performing constraint verification to output a set of operating parameters. This invention achieves adaptive optimization of the operating parameters of a vacuum adsorption system under the combined influence of historical and current operating conditions.
Owner:安徽景得鑫五金塑胶有限公司

Defoaming assembly of glue supply mechanism

The utility model discloses a defoaming assembly of a glue supply mechanism, and relates to the technical field of dispensing, the defoaming assembly comprises a base, a fixing mechanism is arranged at the upper part of the base and is used for fixing a glue barrel and taking glue, the fixing mechanism comprises a mounting assembly and a limiting assembly, the mounting assembly comprises a fixing frame arranged at the upper part of the base, and the upper part of the fixing frame is fixedly provided with a limiting frame; according to the glue supply equipment, the bottom of the vacuum pressure plate integrated by the glue supply equipment adopts a special micro-cambered surface design, so that the vacuum pressure plate can be tightly attached to the bottom of a glue barrel, glue in the barrel can be squeezed out to the greatest extent when the glue is squeezed, and the glue can be used to the bottom of the barrel; meanwhile, when glue is replaced, the vacuum pressure plate is matched with the vacuum suction cup, air is extracted through a gap between the vacuum pressure plate and the vacuum suction cup until a small amount of glue is extracted into a gap of the vacuum pressure plate, exhaust action is executed after vacuum is stable, glue residues are further reduced, and the production cost is effectively reduced.
Owner:SUZHOU KEWEISHENG FLUID CONTROL TECHNOLOGY CO LTD

Quantum current combination measurement device and method based on high-precision vacuum pressure control

ActiveCN121540917BVacuum levelWeak current
This invention provides a quantum current combined measurement device and method based on high-precision vacuum pressure control. The device includes: a vacuum chamber; a vacuum pump connected to the vacuum chamber; a vacuum pressure control component connected to the vacuum chamber; a high-current measurement component disposed within the high-current chamber; and a low-current measurement component disposed within the vacuum chamber. This invention regulates the vacuum level within the vacuum chamber through the vacuum pressure control component. When measuring extremely weak currents in a single electron stage, the vacuum level is reduced, and the signal is guided and collected by the low-current measurement component, enabling signal ion multiplication detection. When the current increases to the nanoampere level or above, the vacuum level is increased, switching to the high-current measurement component for direct charge collection measurement. This quantum current combined measurement device uses vacuum level as a key control variable, integrating the high sensitivity of the low-current measurement component to weak signals with the high-precision measurement capability of the high-current measurement component to strong signals into a single system.
Owner:CHINA ELECTRIC POWER RESEARCH INSTITUTE CO LTD +3

Substrate warpage reduction

Embodiments disclosed herein include a processing system. The processing system includes a processing chamber, a processing volume; a substrate support assembly including a substrate support surface, a backside gas cavity, and a heater. The system includes a vacuum source in communication with the processing volume and the backside gas cavity. The system includes a backside gas resource in communication with the backside gas cavity. The system includes a controller, and the computer-readable instructions when executed by a processor of the controller cause: a delivery of electrical power to the heater of the substrate support assembly, a delivery of a series of vacuum pressure pulses the backside gas cavity, and a delivery of a series of backside gas pulses to the backside gas cavity where the series of vacuum pressure pulses and the series of backside gas pulses are alternately provided.
Owner:APPLIED MATERIALS INC

Die-level test apparatus having vacuum pressure generation structure for mobile chuck movement

PCT designated stageWO2026146897A1Vacuum pressureTest set
Disclosed is a die-level test apparatus having a vacuum pressure generation structure for mobile chuck movement. The die-level test apparatus, according to one aspect of the present invention, may comprise: a mobile chuck having a seating surface on which dies are seated, and a plurality of vacuum suction holes for vacuum-holding the dies on the seating surface; a chuck base disposed under the mobile chuck to support the mobile chuck; chuck hands for supporting the lower surface of the mobile chuck such that the mobile chuck can be moved; a vacuum generation unit connected to the vacuum suction holes to generate vacuum pressure; and a controller for controlling operation of the vacuum generation unit.
Owner:SEMICS INC

Display panel floating platform

ActiveCN117615980BVacuum pressureGas supply
The present invention relates to a display panel floating device, which includes: an upper plate in which a plurality of air supply holes and vacuum holes are alternately formed in order to stably float a display panel; a pressure maintaining plate in which a plurality of pressure maintaining holes communicating with the respective air supply holes and vacuum holes are formed in a state of being multilayered in order to stably maintain air pressure injected through the air supply holes and vacuum pressure sucked through the vacuum holes of the upper plate; a first lower plate fixed to a bottom surface of the pressure maintaining plate in order to supply vacuum pressure to the respective vacuum holes; a second lower plate fixed to a bottom surface of the first lower plate in order to supply air pressure to the respective air supply holes; and a plurality of manifolds fixed to a bottom surface of the second lower plate and formed in parallel with a vacuum supply flow path communicating with the first lower plate and an air supply flow path communicating with the second lower plate.
Owner:黄熙珍

Pipe diameter adjusting mechanism and adjusting method thereof

A pipe diameter adjusting mechanism and an adjusting method thereof, the pipe diameter adjusting mechanism comprising a vacuum box, a diameter measuring device and a cooling device connected in sequence, and a control device, the vacuum box being provided with a vacuum pumping device for pumping the vacuum box, the control device being electrically connected with the diameter measuring device and the vacuum pumping device respectively, the diameter measuring device being used for detecting the pipe diameter of the pipe and feeding back the detected pipe diameter to the control device, and the control device being used for controlling the vacuum pumping device to adjust the vacuum pressure of the vacuum box according to the detected pipe diameter so as to adjust the pipe diameter of the pipe. By arranging the vacuum box, the diameter measuring device and the cooling device connected in sequence and the control device, the diameter measuring device can accurately detect the current pipe diameter of the pipe, and then feed back the detected pipe diameter to the control device, and the control device can control the vacuum pumping device to adjust the vacuum pressure of the vacuum box according to the detected pipe diameter so as to adjust the pipe diameter of the pipe to reach the set pipe diameter, and the adjusted pipe diameter can accurately reach the required value.
Owner:GUANGDONG BUSTER TECH CO LTD

An automatic vacuum pressure control system

This utility model relates to an automatic vacuum pressure control system, belonging to the field of vacuum pump control technology. It includes: a vacuum pump assembly, consisting of at least one rotary vane vacuum pump and one vortex vacuum pump connected in parallel via a three-way valve; a pressure sensor array, including a top sensor, a side wall sensor, and a bottom sensor respectively embedded in the top, side wall, and bottom of a vacuum chamber; a vacuum chamber, equipped with cooling water channels and annular protrusions on the side walls; a control box, internally housing an electrically connected central controller, a signal conditioning module, and a power drive module; an actuator assembly, including a proportional regulating valve and a quick-release valve connected to the vacuum pipeline; and a human-machine interface panel connected to the control box via a data bus. This utility model features a design capable of comprehensively monitoring the pressure distribution within the vacuum chamber, avoiding errors that may result from monitoring with a single sensor. This ensures precise control of the vacuum pressure.
Owner:ZIBO TONGPU VACUUM EQUIP CO LTD

Systems and methods for dynamic load lock pressure control

A workpiece processing system has a process chamber for processing a workpiece under vacuum pressure within a process environment defining a process time. A load lock chamber defines a load lock volume and has a vacuum isolation valve providing selective fluid communication between the load lock volume and the process environment. The vacuum isolation valve allows transfer of the workpiece between the load lock volume and the process environment. An atmospheric isolation valve provides fluid communication between the load lock volume and the atmosphere and selectively allows transfer of the workpiece between the load lock volume and the atmosphere. A purge gas control device selectively controls a pressure or flow rate of a purge gas to the load lock volume defining a purge time by a change from the vacuum pressure to the atmospheric pressure. A controller controls the purge control device based on a critical path defined by a longer of the process time and the purge time.
Owner:AXCELIS TECHNOLOGIES INC

A metering pump inlet redundant positive pressure control system and control method

The present application relates to the field of refining metering pump delivery, and specifically discloses a metering pump inlet redundant positive pressure control system and control method, comprising: a medicament tank, a liquid level transmitter is arranged on the medicament tank, and a medicament outlet pipeline is arranged at the bottom of the medicament tank; a pressure buffering unit, comprising a collector, an inlet of the collector is connected with the end of the medicament outlet pipeline, a vacuum pressure detector is arranged on the collector, and a metering pump is communicated with the outlet pipeline of the collector; a negative pressure module, the negative pressure module is arranged in communication with the collector, and the redundant positive pressure is reduced by sucking the gas in the collector; and an electric control module is further included. The beneficial effect is that the device can maintain the pressure in the collector stable in the target range, improve the reliability, stability and precision of the medicament delivery of the metering pump operation, and adapt to the medicament metering and delivery requirements under different working conditions.
Owner:LUOYANG LVCHAO ENVIRONMENTAL PROTECTION TECH

A method for eliminating the backside suction pen mark of super back seal product after epitaxy

The application relates to the field of semiconductor technology, and relates to a method for eliminating the suction pen mark on the back of a super back sealing product after epitaxy, characterized in that the suction pen is cleaned every 12 hours, a pressure regulating valve is installed between the suction pen and a negative pressure suction pipeline, and the vacuum pressure of the suction pen is adjusted to-70 Kpa to-60 Kpa. The patent realizes the generation of no suction pen mark after epitaxy. The application controls the suction force of the suction pen to be too small, and the problem of micro-friction between the silicon wafer and the suction pen, which scratches the surface of the silicon wafer. Meanwhile, the problem of the suction pen mark caused by large suction force is avoided. Meanwhile, it is found that the cleaning frequency of the suction pen also has an important influence on the suction pen mark.
Owner:SHANGHAI SEMICON WAFER TECH CO LTD

Vacuum pressure drainage process mud reduction equipment and construction method

The application discloses a kind of vacuum pressure water reduction process slurry reduction equipment and construction method, it is related to filter press technical field, including rack, conveyor and filter cloth, the material removal mechanism includes rectangular plate, the mounting plate is all equipped with speed reducer, the output shaft of each speed reducer is additionally provided with carousel, adjustable eccentricity rotation radius's mounting shaft is all installed in the through-hole of each carousel, the bottom of the rectangular plate is fixed with two symmetrical limit plates, rubber hammer is fixed between the one end of each group of connecting rods, rubber hammer periodically taps the back of the inner side of filter cloth in return empty load section, rely on vibration and shake off mud cake and residual dirt on filter cloth, the present application is provided with material removal mechanism, can realize the resultant force of the front end contact instant of rubber hammer is completely perpendicular to filter cloth, so that tangential component along the running direction or width direction of filter cloth is not generated, further improve mud material drop-off efficiency.
Owner:SHANGHAI CHANGKAI GEOTECHN ENG

Conductive post pickup device

PCT designated stageWO2026142063A1Vacuum pressurePhysics
The present invention relates to a conductive post pickup device and, more specifically, to a conductive post pickup device which may pick up a cylindrical conductive post in an aligned state by allowing the conductive post, which is in a standing state while floating, to be individually sucked into a hole formed to form a predetermined pattern on a pickup head by using vacuum pressure in a state in which the conductive post is maintained in a floating position through vibration. The present invention relates to a conductive post pickup device which may comprise: a floating tray including an electric vibration device to vibrate a conductive post to be in a floating state; and a pickup head for picking up the conductive post from the floating tray by using vacuum pressure.
Owner:SSP INC(KR)

A vacuum pressure detection device for a sealed container

PendingCN122108491AQuick screeningAccurate screeningMeasurement of fluid loss/gain rateVacuum pressureMaterials science
The present application belongs to the technical field of airtightness detection of sealed containers, and particularly relates to a sealed container vacuum pressure detection device, which comprises an operation box and a conveying line arranged on one side of the operation box and used for outputting sealed containers; further comprising: a height adjusting mechanism arranged on one side of the operation box and used for driving the detection mechanism to move up and down; a cross beam frame, one end of which is connected with the height adjusting mechanism and the other end of which is connected with a protective cover located above the conveying line; a detection mechanism arranged in the protective cover and electrically connected with the operation box through a conductive wire; the detection mechanism comprises a scanning probe and a vacuum probe arranged in the protective cover; photoelectric sensors are arranged on both sides of the vacuum probe; the detection device adopts a non-contact online detection mode to realize integrated rapid detection of the shape defects of the iron cover of the sealed container and the vacuum degree in the container, so that the defective sealed containers with air leakage, deformation and sealing failure can be quickly and accurately screened out.
Owner:XIAOXIAN STEWED BAZHOU FOOD CO LTD

An adaptive vacuum suction head

PendingCN122274609AVacuum pressureScrew thread
This invention relates to the field of ring-shaped parts assembly technology. The invention discloses an adaptive vacuum suction head, comprising a fixing component, a vacuum suction port at one end of the fixing component, and a movable ring movably connected to the other end of the fixing component. One side of the movable ring is connected to the movable component via a connecting rod, and a suction head is threadedly connected to one end of the movable component. This adaptive vacuum suction head consists of three parts: a fixing component, a movable component, and a suction head. The fixing component secures the product to the assembly mechanism and serves as the output point for vacuum pressure. The movable component is fixed to the fixing component by a spring, ensuring it does not fall off due to spring tension, and allowing for a certain amount of displacement through the contact surface between them. The suction head is guided and corrected in position by a tapered adaptive guide block at the front end, and returns to its original position when suctioning ring-shaped parts. A chamfer at the rear is used for shape correction of easily deformable ring-shaped materials. The suction action of the product is completed through the vacuum suction port.
Owner:SHANGHAI RINNAI

Inorganic phase synergistically reinforced wear-resistant and heat-resistant aluminum matrix composite material

This invention relates to the field of metal matrix composites, specifically to a wear-resistant and heat-resistant aluminum matrix composite material with synergistic inorganic phase reinforcement, aiming to solve the problems of poor strength and toughness matching, poor interfacial bonding, and insufficient high-temperature stability in existing aluminum matrix composites. The composite material of this invention consists of an aluminum alloy matrix and multi-scale reinforcing phases, including micron-sized silicon carbide, submicron-sized in-situ nitrides, carbides, and nano-sized in-situ oxides and intermetallic compounds. This invention first prepares a directional layered porous ceramic preform, then uses unidirectional cryogenic casting to obtain a silicon carbide-based ceramic preform with directional parallel channels. Next, vacuum pressure infiltration is combined with the addition of an aluminum alloy ingot containing copper oxide, allowing the molten aluminum alloy to penetrate into the channels of the preform and undergo an in-situ reaction to generate fine reinforcing phases. Finally, after two-stage solution treatment and low-temperature aging heat treatment, nano-sized Al2Cu phases precipitate in the aluminum matrix.
Owner:SICHUAN DONGZE TECH CO LTD

Motor carrying and press-fitting mechanism

The invention relates to a motor carrying and press-fitting mechanism which comprises a carrying assembly and a press-fitting assembly. A vertical plate is vertically connected to the bottom plate, the other end of the vertical plate is vertically connected with a press mounting plate, a servo press is mounted on the press mounting plate, and the output end of the servo press is connected with a pressing head; the mounting plate is connected to the front of the vertical plate, the upper end of the mounting plate is connected with a vacuum pressure gauge, the front of the mounting plate is connected with two parallel first linear guide rails, and the first linear guide rails are slidably connected with a slide rail connecting plate; the first air cylinder is connected to the mounting plate, and the output end of the first air cylinder is connected with the sliding rail connecting plate; the slide rail connecting plate is connected with two parallel second linear guide rails; the upper end of the sliding rail connecting plate is connected with a second air cylinder, the sliding block connecting plate is slidably connected to the second linear guide rail, and the output end of the second air cylinder is connected with the sliding block connecting plate. A motor grabbing block is connected to the sliding block connecting plate, a suction cup is connected to the motor grabbing block, and the suction cup is connected with a vacuum pressure gauge.
Owner:EISENBO INTELLIGENT TECH (SHANGHAI) CO LTD

A power battery electrolyte leakage test protection device

ActiveCN224471617UPower batterySuction force
The utility model relates to power battery technical field, specifically disclose a kind of power battery electrolyte leakage test protection device, including support frame, lifting assembly is equipped on support frame, fixed plate is equipped at the lower end of lifting assembly, N group of suction cups are equipped at the lower end of fixed plate, and the bottom of suction cup is adsorbed contact with battery pack upper cover, and negative pressure is generated to offset vacuum pressure;Avoidance cylinder is equipped at the upper end of fixed plate, and the suction force of avoidance cylinder controls the suction cup.The application solves the problem that the negative pressure of mass spectrometry test causes the deformation, depression, internal component device of power battery upper cover in the prior art, realizes the safety and nondestructive testing of vacuum mass spectrometry test.
Owner:CHONGQING GANFENG POWER TECH CO LTD

High-wear-resistant and impact-resistant hard metal jaw plate and preparation method thereof

This invention relates to the field of wear-resistant component manufacturing technology for mining machinery, specifically disclosing a high-wear-resistant and impact-resistant cemented carbide jaw plate and its manufacturing method. The jaw plate's surface layer uses low-cobalt, fine-grained tungsten carbide with added grain growth inhibitors, while the bottom base uses medium-high cobalt, coarse-grained tungsten carbide, achieving a performance gradient of high wear resistance on the surface layer and high toughness and strength on the base. By controlling the forming agent and spray drying process to match the interlayer shrinkage coefficients, and combining hydraulic pressing and wet bag isostatic pressing secondary forming to eliminate density differences, along with segmented dewaxing, vacuum pressure sintering, and slow cooling, the interlayer sintering stress is effectively reduced. Finally, a two-stage stress-relief treatment involving liquid nitrogen gradient cryogenics and vacuum tempering eliminates internal material stress. The jaw plate obtained by this invention has a dense, defect-free interlayer bond, low residual stress, and excellent wear resistance and impact resistance, significantly improving its service life and reliability under high-purity silicon crushing conditions.
Owner:JIUJIANG JINLU CEMENTED CARBIDE CO LTD