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31results about How to "Play a barrier effect" patented technology
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Optical cable capable of melting ice
PendingCN112305690AImprove water resistance and insulationReduce harmHeating element shapesFibre mechanical structuresPhysicsCore (optical fiber)
The invention discloses an optical cable capable of melting ice, which comprises an optical cable body, and the optical cable body comprises an outer sheath, an armor layer is arranged in the outer sheath, a heating layer is arranged between the outer sheath and the armor layer, a heat insulation layer is arranged in the armor layer, and core wires are arranged in the heat insulation layer; the core wire comprises a plurality of optical fiber bundles, a temperature sensing wire and a shielding wire, and the surface of the outer side wall of the outer sheath is covered with an anti-corrosion coating. The optical cable has the advantages that the structure is simple, the design is reasonable, the optical cable has a self-heating temperature rise function, ice ridges formed on the surface ofthe optical cable in cold weather can be effectively melted, and the adverse effect of icing is avoided.
Owner:SUZHOU SHENGXIN OPTOELECTRONICS TECH
Contact system with a high-voltage direct-current arc protection structure
ActiveCN109273324ABlock connectionImprove electrical lifeElectromagnetic relay detailsDielectricSputtering
The invention relates to a contact system with a high-voltage direct-current arc protection structure, comprising a ceramic seat, two static contacts, a movable contact and a transmission rod. The static contact is installed on the ceramic seat, and the movable contact is respectively in contact with the two static contacts. One end of the transmission rod is fixedly connected with the movable contact, and the other end is used for receiving power from the electromagnetic system and driving the movable contact to reciprocate linearly; The ceramic seat is provided with a protective structure for cutting off the connection of an arc sputtering object between two static contacts. The contact system of the invention can effectively prevent the connection of the electric arc sputtering objectsbetween the two static contacts by arranging a protective structure between the two static contacts on the ceramic base, increase the creepage distance, restrict the dielectric withstand voltage levelof the electric life index of the contactor to be improved, and accordingly improve the electric life of the contactor.
Owner:BEIJING INST OF RADIO MEASUREMENT
Novel anti-corrosion coating and preparation method thereof
ActiveCN105838186AImprove wear resistanceImprove anti-corrosion performancePretreated surfacesAnti-corrosive paintsPulverised fuel ashCorrosion inhibitor
The invention discloses a novel anti-corrosion coating and a preparation method thereof and solves the problem of reduction of mechanical performances of the coating since a corrosion inhibitor on a fly ash anti-corrosion coating in the prior art is difficult to disperse. In the invention, through a reflux method, phenyl phosphonic acid and a surfactant are grafted on surface of fly ash, wherein the phenyl phosphonic acid and the surfactant are hydrolyzed during a heating process and are connected to a part of hydroxyl groups on the surface of the fly ash. The grafted fly ash finally turns into sea urchin-like granules. The phenyl phosphonic acid increases dispersion of fly ash particles in resin and combination area of the fly ash particles with resin, thereby greatly improving anti-wear performance of coating. The phenyl phosphonic acid and the surfactant can enable the corrosion inhibitor to be dispersed in nano-micro pores in the fly ash more uniformly, thereby achieving the corrosion inhibition effect and improving the anti-corrosion performance of the coating.
Owner:NORTHEAST GASOLINEEUM UNIV
Laminated silica synergistic flame retardant reinforced polypropylene composite material, and preparation method thereof
InactiveCN109957177AImprove performancePlay a barrier effectPolypropylene compositesMolecular engineering
The invention provides a laminated silica synergistic flame retardant reinforced polypropylene composite material, and a preparation method thereof, and belongs to the field of high molecular engineering plastic. The laminated silica synergistic flame retardant reinforced polypropylene composite material comprises, by weight, 60 to 80 parts of polypropylene, 2 to 25 parts of inorganic nano-sheet silica, 0.5 to 5 parts of silane coupling agent, 0.5 to 2 parts of a compatibilizer, 5 to 25 parts of an intumescent halogen-free flame retardant, and 0.5 to 2 parts of an antioxidant; the sheet spreadwith of the inorganic nano-sheet silica is 100 nm to 2000 nm. The invention also provides the preparation method of a laminated silica synergistic flame retardant reinforced polypropylene composite material. The composite material possesses good flame resistance, and enhanced polypropylene matrix resin mechanical properties, the performance of polypropylene materials is improved, and the application range is widened.
Owner:芜湖万隆新材料有限公司
Wafer rotating speed detection device
ActiveCN112345785APrevent leakagePlay a barrier effectSemiconductor/solid-state device manufacturingDevices using optical meansDrive shaftStructural engineering
The invention relates to the field of wafer cleaning equipment, in particular to a wafer rotating speed detection device. The wafer rotating speed detection device comprises a fixed seat cylinder anda driven shaft, a mounting hole is formed in an end cover at one end of the fixed seat cylinder, and the driven shaft extends into the fixed seat cylinder through the mounting hole and is rotatably connected with the fixed seat cylinder through a first bearing and a second bearing. An air inlet is formed between the first bearing and the second bearing on the fixed seat cylinder, a first flow channel is formed in the side wall of the driven shaft, one end of the first flow channel is located between the first bearing and the second bearing, and the other end of the first flow channel extends to the side wall, opposite to the inner wall of the mounting hole of the fixed seat cylinder, of the driven shaft, so that gas entering the fixed seat cylinder can flow to the mounting hole through thefirst flow channel, then the gas is guided into a scrubbing box through a gap between the mounting hole and the driven shaft, a blocking effect is achieved through the gas, and the situation that cleaning liquid in the scrubbing box leaks through an inner cavity of the fixed seat cylinder is avoided.
Owner:BEIJING SEMICON EQUIP INST THE 45TH RES INST OF CETC
Noise-reducing food processor
ActiveCN111973011AReduce outward spreadExtended propagation pathKitchen equipmentElectric machineryEngineering
The invention relates to a noise-reducing food processor, which comprises a bowl body and a bowl cover, wherein the bowl body comprises a bowl main body and a bowl mouth. The bowl cover is detachablymounted at the bowl mouth; a crushing knife is arranged at the bottom of the bowl cover; a mounting cavity is arranged inside the bowl cover; a motor for driving the crushing knife to rotate is arranged in the mounting cavity, the inner diameter of the bowl mouth is contracted inwards relative to the inner diameter of the bowl main body, a sound insulation cover surrounding the crushing knife is arranged at the bottom of the bowl cover, the sound insulation cover penetrates through the bowl mouth and extends into the bowl main body, a first annular space is defined by the sound insulation cover and the bowl mouth, and a second annular space is defined by the sound insulation cover and the bowl main body. The bowl mouth is of a necking structure, so that in the noise propagation process, energy of noise is quickly attenuated after the noise is refracted for multiple times in the sound insulation cover, the second annular space and the first annular space, the propagation path of the noise is prolonged, and the noise transmitted outwards when the food processor works is effectively reduced.
Owner:JOYOUNG CO LTD
Anti-skid and anti-seismic coating production equipment
The invention relates to the technical field of metal coatings, and discloses anti-skid and anti-seismic coating production equipment which comprises a bottom plate, a supporting frame is fixedly connected to the top surface of the bottom plate, the top end of the supporting frame is a semi-circular ring body, a charging barrel sleeves the inner wall of the top surface of the supporting frame, a sliding groove is formed in the top surface of the left side of the bottom plate, and a sliding plate sleeves the sliding groove. A rotating motor is fixedly connected to the face, corresponding to thecharging barrel, of the sliding plate, a hole is formed in the center of the left side of the charging barrel, a rotating bearing is fixedly installed in the hole and fixedly connected with a transmission shaft of the rotating motor, a stirring disc is fixedly connected to the end, located in the charging barrel, of the transmission shaft of the rotating motor, and two stirring rods are fixedly connected to the right side face of the stirring disc. The right side face of the charging barrel is fixedly connected and communicates with a feeding barrel A. By arranging the stirring rods, raw materials are scraped into the grinding barrel from the bottom in a layered mode, the ground raw materials are spread on the upper layer to be prevented from being mixed with unground raw materials, and therefore the grinding range and the overall grinding effect of the raw materials are guaranteed.
Owner:佛山市迈海新材料科技有限公司
Preparation method of low-reverse-osmosis high-absorptivity resin
The invention discloses a preparation method of low-reverse-osmosis high-absorptivity resin. According to the preparation method, a redox initiator is adopted in polymerization process, and a hydrophilic and hydrophobic composite crosslinking agent and a phase transfer catalyst are added; alkali is added for neutralization in the polymerization process and a granulation process respectively, and asurfactant is added in the granulation process; and a granulated gel is sequentially subjected to drying, crushing, screening and surface treatment to obtain the low-reverse-osmosis high-absorptivityresin. The reverse osmosis resistance of the prepared low-reverse-osmosis high-absorptivity resin is obviously improved, and the effect of improving the dryness and comfort of hygienic products is obvious.
Owner:浙江卫星新材料科技有限公司
Novel anti-corrosion coating and preparation method thereof
ActiveCN105838186BGood dispersionIncrease binding areaPretreated surfacesAnti-corrosive paintsPolymer scienceSURFACTANT BLEND
The invention discloses a novel anti-corrosion coating and a preparation method of the coating, which solves the problem that the existing fly ash anti-corrosion coating is difficult to disperse and the mechanical properties of the coating are reduced. The present invention uses the reflux method to graft phenylphosphonic acid and surfactant on the surface of fly ash, so that the phenylphosphonic acid and surfactant are hydrolyzed in the heating process, and then connect with some hydroxyl groups on the surface of fly ash, grafting The final fly ash eventually becomes sea urchin-like particles. Among them, the presence of phenylphosphonic acid improves the dispersion of fly ash particles in the resin and the bonding area with the resin, thereby greatly increasing the wear resistance of the coating; at the same time, the presence of phenylphosphonic acid and surfactants The corrosion inhibitor can be more evenly dispersed into the nano-micropores of the fly ash, and its corrosion inhibition effect can be exerted, and the anti-corrosion performance of the coating can be enhanced at the same time.
Owner:NORTHEAST GASOLINEEUM UNIV
Goggles with anti-fog coating and production method of anti-fog coating
InactiveCN112451209AEffective anti-fog effectPlay a barrier effectGogglesCoatingsActive agentOrganosolv
The invention discloses goggles with an anti-fog coating and a production method of the anti-fog coating, relates to the technical field of goggles, and aims to solve the problem of easy fogging in use. The goggles comprise a main body, wherein an anti-fog coating is arranged on the mirror surface of the main body, and the anti-fog coating is prepared from the following raw materials of maleic anhydride grafted polyethylene, a silicon dioxide particle solution, coupling agents, zwitterionic surfactants, polysorbate and organic solvent. The method comprises the following steps of proportionallyadding a diisocyanate monomer, hydroxy acrylate and ethyl acetate into a reaction container, uniformly stirring, and heating for 10 minutes. According to the goggles, by arranging the anti-fog coating, an effective anti-fog effect can be achieved, the use experience is improved, effects of anti-glare, wear resistance and water resistance are achieved while meeting the anti-fog requirement; and byarranging elastic particles, the filling amount of the elastic particles can be adjusted according to the requirement, so that the use experience of different users is met.
Owner:东莞市三嘉光学科技有限公司
A Contact System with High Voltage DC Arc Protection Structure
ActiveCN109273324BBlock connectionImprove electrical lifeElectromagnetic relay detailsDielectricSputtering
Owner:BEIJING INST OF RADIO MEASUREMENT
RTO combustion chamber access door opening device
PendingCN112728565APlay a supporting roleImprove bending resistanceIncinerator apparatusChamber doorsCombustion chamberMechanical engineering
The invention provides an RTO combustion chamber access door opening device, relates to the technical field of RTO combustion chamber overhaul, and solves the problems that in the prior art, when an access door is disassembled, manual carrying or simple hoisting is adopted, the labor intensity of personnel is high, and safety accidents are caused by the fact that the access door falls under unforeseen circumstances. The RTO combustion chamber access door opening device comprises an RIO combustion chamber, and a cylindrical check block is installed on the top end face of the RIO combustion chamber in a sliding mode; the access door is embedded in an access hole of the RIO combustion chamber in a sliding manner, and the access door is in limiting contact fit with the cylindrical check block; the access door comprises a handle, solid bearing rods, a reinforcing rib B and a circular check block, and the access door is matched with an access hole of the RIO combustion chamber in an embedded and inserted mode. After the access door is separated from the access hole of the RIO combustion chamber, the access door separated from the access hole of the RIO combustion chamber is supported through the cooperation of four U-shaped limiting blocks in each group and the solid bearing rods.
Owner:廖欲富
A kind of weak permeability soil deep foundation pit tower crane waterproof structure and construction method
ActiveCN110565701BEffective waterproofAvoid enteringProtective foundationBrickArchitectural engineering
Owner:CHINA MCC17 GRP
Malt recycling device for beer production workshop
InactiveCN107008651AEfficient recyclingEffective interceptionGas current separationDispersed particle filtrationMalt GrainEngineering
The invention discloses a malt recovery and utilization device for a beer production workshop, which comprises a recovery cover cylinder, a collection cylinder and a bracket supporting the recovery cover cylinder, the collection cylinder is a cylindrical cylinder with both ends closed, and the bottom circumference of the collection cylinder is A discharge hopper is arranged on the outer wall, and a collection box is provided at the lower end of the discharge hopper. The recovery cover cylinder is a conical cylinder arranged horizontally. The large diameter end of the recovery cover cylinder is connected with the right end surface of the collection cylinder and connected with the inside Connected, the left end surface of the collection cylinder is provided with a dust discharge cylinder, the outlet end of the dust discharge cylinder is fitted with a dust collection bag, the inlet end of the dust discharge cylinder is inserted into the inside of the collection cylinder, and the dust discharge cylinder The right end is provided with a conical separation cover, and the left end face of the separation cover is connected with the inlet end of the dust discharge cylinder. The structure design of the present invention is simple, the separation effect is good, and the recycling rate of wheat heads, fine powder and light malt is high. , can effectively collect dust.
Owner:射阳春蕾麦芽有限公司
An energy-saving anti-vibration hammer that is convenient for clamping
ActiveCN110137888BEasy to installPrevent hard clampingDevices for damping mechanical oscillationsCompression deviceEngineering
The invention discloses an energy-saving shockproof hammer convenient to clamp. The hammer comprises a cable, an aluminum wrapping belt, a quick clamping mechanism, a steel strand and a shockproof hammer. The quick clamping mechanism is arranged, the structure is simple, the dismounting and mounting is convenient, and the installation time is effectively saved; the compression device is arranged,cables with different diameters can be clamped by adjusting the matching degree of a nut and a connecting frame, and the pressure is adjustable; through the arrangement of a rubber block, the rubber block has good toughness, can be tightly clamped by being attached to the outline of the cable to prevent rainwater from entering the position between the aluminum wrapping belt and an arc-shaped blockand prevent the cable from being damaged and falling off due to long-time oxidation; and through arrangement of the shockproof hammer, the hammer block is arranged to the water droplet form, the windage coefficient is little, the hammer block adopts seamless design and is difficult for water snow gathering so that the anti-knock effect is stable, and the hammer block adopts the aluminum alloy material, is difficult for rusting, is long in service life, and can effectively achieve the energy-conserving effect.
Owner:YANGZHOU JIANGDU DISTRICT JINFENG ELECTRIC POWER EQUIP CO LTD
A kind of automatic dough mixing machine and dough mixing method
ActiveCN114081048BPlay a role in slowing downRealize the shock absorption effectMixing/kneading structural elementsMixing/kneading with vertically-mounted toolsEngineeringMechanical engineering
Owner:江门市大晖科技有限公司
Outdoor power distribution box convenient for identifying whether water enters or not and having temporary sealing function
InactiveCN112018628APlay a barrier effectAct as a temporary sealSubstation/switching arrangement casingsSealing arrangementsClassical mechanicsRubber sheet
The invention provides an outdoor power distribution box convenient for identifying whether water enters or not and having a temporary sealing function, and relates to the technical field of outdoor distribution boxes. The problems that whether water enters the power distribution box cannot be directly identified from the outside, and once maintainers do not take protective measures and directly contact the distribution box in a water inlet electric leakage state, the maintainers are subjected to high-voltage injury are solved. The outdoor power distribution box comprises an outdoor power distribution box body, and two groups of identification mechanisms are slidably mounted in the outdoor power distribution box body in a bilateral symmetry manner. A semicircular structure at the front endof a square block drives a silica gel sealing layer which is accommodated in a circular accommodating cavity in a folded state to burst through the cut part of a rubber sheet; and the outdoor power distribution box is obviously exposed outside the outdoor distribution box body, so that maintainers can directly identify whether water enters the outdoor power distribution box or not, the maintainers are prevented from touching the outdoor power distribution box which is possibly in an electric leakage state when the water enters the outdoor power distribution box, and the maintainers are prevented from being injured by high voltage.
Owner:聂梦霞
Middle-deep geothermal heat energy conversion device used in winter and summer
InactiveCN114234460AAvoid being inAvoid being idleHeat pumpsGeothermal energy generationThermodynamicsEngineering
The invention discloses a winter and summer dual-purpose medium-deep geothermal heat energy conversion device which comprises an outer pipe and an inner pipe, the lower end of the inner pipe is communicated with the outer pipe, the axis of the outer pipe and the axis of the inner pipe are located on the same straight line, a flange plate is arranged at the upper end of the outer pipe, embedded concrete is arranged below the flange plate, and the embedded concrete is poured on the ground. The outer pipe penetrates through embedded concrete and extends into the ground, an input pipe is installed at the upper end of the outer pipe, an output pipe is installed at the upper end of the inner pipe, circulating heat conduction mechanisms are arranged at the two ends of the outer pipe, and a circulating switching mechanism is arranged on one side of the outer pipe. The geothermal well has the beneficial effects that the circulation depth of a medium can be changed according to the actual environment requirement through the effect of the circulation switching mechanism, the geothermal well is prevented from being in an idle state, the utilization rate of the geothermal well is increased, and a certain blocking effect can be achieved on the medium in the shallow layer and the medium in the deep layer; through the effect of the circulating heat conduction mechanism, the internally-circulating heat conduction fluid can be inserted between the stratum and the outer pipe in a reciprocating mode, and the heat exchange rate is increased.
Owner:HEBEI UNIV OF ENG
Pressing hemostasis device for cardiovascular surgery in internal medicine department
The invention provides a pressing hemostasis device for cardiovascular surgery in the internal medicine department, and relates to the technical field of medical instruments. An adjusting frame is slidably connected to the lower portion of the bed body, the adjusting frame and the bed body are distributed in a cross shape, sliding frames are symmetrically arranged on the left side and the right side of the middle of the top of the adjusting frame, an extending frame is fixedly connected to the middle of the top of the adjusting frame, the bed body is located on the lower portion in the extending frame, and a top plate is arranged in the middle of the top of the extending frame. And a lower pressing piece is fixedly connected to the lower position in the top plate. When the arc-shaped frame moves downwards, the bottom of the main pressing piece can be attached to the body position of the patient, and the front-back distance of the main pressing piece can be adjusted by adjusting the position of the main pressing piece in the strip-shaped groove of the steering plate. The problems that when pressing hemostasis is carried out on a patient, pressing hemostasis is carried out on a single position of the patient, the hemostasis effect is ideal, and blood channeling is prone to occurring are solved.
Owner:WENZHOU CENT HOSPITAL
Cotton spunlace nonwoven fabric with double-layer diversion type and preparation method thereof
ActiveCN108179545BPlay a barrier effectEnvironmentally friendly and safeNon-woven fabricsCotton fibreEnvironmental engineering
The invention relates to a double-layer flow-guiding all-cotton spunlaced nonwoven fabric and a preparation method thereof. The prepared nonwoven fabric comprises a planar diffusion parallel network layer and a three-dimensional fiber network layer with down-absorption function, and the two layers of network are both Composed of 100% bleached cotton fibers, the double-layer diversion type adopts two physical arrangements of fibers to obtain a double-layer diversion structure, forming a more obvious interlayer layer, which plays the role of diverting liquid and blocking back seepage effect, to achieve the performance of the product. It has a double-layer diversion type cotton spunlace nonwoven fabric with thin thickness, no chipping, soft, skin-friendly, environmentally friendly, not easy to deform, good wear resistance, strong liquid diversion suction, and has the effect of blocking liquid back seepage , Improve the comfort of the end product.
Owner:福建福能南纺卫生材料有限公司
Deep foundation pit tower crane waterproof structure of weakly permeable soil and construction method
The invention discloses a deep foundation pit tower crane waterproof structure of weakly permeable soil and a construction method, and belongs to the technical field of tower crane foundation waterproof structures. The deep foundation pit tower crane waterproof structure comprises a foundation pit and a water collecting well, wherein the foundation pit comprises a foundation pit slot and a drainage groove, the foundation pit slot is located in the drainage groove, a concrete cushion is arranged on the bottom surface of the foundation pit slot, a brick membrane is arranged on the inner wall ofthe foundation pit slot, a waterproof layer I is arranged on the brick membrane, the top side of the waterproof layer I extends to the outer wall of the brick membrane, a concrete pressing plate is seamlessly connected to the waterproof layer I located on the top surface of the brick membrane, a tower crane base station to the interior of the drainage groove is arranged in an area between the concrete cushion and the waterproof layer I, a concrete foundation layer is arranged in the drainage groove, a waterproof layer II is arranged on the surfaces of the concrete foundation layer and the tower crane base station, the waterproof layer II is fixedly connected with the waterproof layer I located on the outer wall of the brick membrane, a drainage pipe which communicates with the water collecting well is arranged on the waterproof layer II, and a crushed stone layer is arranged above the drainage pipe. The deep foundation pit tower crane waterproof structure is a tower body protecting structure which has the advantages of simplicity, convenience, effectiveness, firmness, durability and long waterproof effect.
Owner:CHINA MCC17 GRP
Metal paint production equipment
PendingCN112742270AGuaranteed grinding effectAvoid mixingShaking/oscillating/vibrating mixersTransportation and packagingSlide plateMaterials science
The invention relates to the technical field of metal paint, and discloses metal paint production equipment which comprises a bottom plate, the top surface of the bottom plate is fixedly connected with a supporting frame, the top end of the supporting frame is a semicircular ring body, the inner wall of the top surface of the supporting frame is sleeved with a material barrel, a sliding groove is formed in the top surface of the left side of the bottom plate, a sliding plate is sleeved in the sliding groove, the face, opposite to the material barrel, of the sliding plate is fixedly connected with a rotating motor, a hole is formed in the center of the left side of the material barrel, a rotating bearing is fixedly installed in the hole, the rotating bearing is fixedly connected with a transmission shaft of the rotating motor, a stirring disc is fixedly connected to the end, located in the material barrel, of the transmission shaft of the rotating motor, and two stirring rods are fixedly connected to the right side face of the stirring disc; and the right side face of the material barrel is fixedly connected and communicated with a feeding barrel A. Through the arrangement of a stirring rod, raw materials are scraped into a grinding barrel from the bottom in a layered mode, the ground raw materials are then spread on the upper layer to be prevented from being mixed with unground raw materials, and therefore, the grinding range and the overall grinding effect of the raw materials are guaranteed.
Owner:吴小娅
Propolis composition and instrument thereof and application thereof in wound treatment
The invention relates to a propolis composition, which comprises 50%+ / -5% of propolis, 15%+ / -5% of sodium alginate and 25%+ / -5% of carboxymethyl cellulose. The tests prove that the propolis composition disclosed by the invention is beneficial to wound healing after being coated on a wound, the wound healing area in unit time is remarkably increased, wound healing is remarkably promoted, and the wound healing time is shortened.
Owner:浙江晟健医疗健康产业发展有限公司
MPCVD diamond grinding device
ActiveCN112847125AImprove processing efficiencyEliminate cumbersome operationsGrinding drivesLapping machinesElectric machineDrive shaft
The invention relates to the technical field of diamond machining, and discloses an MPCVD diamond grinding device. The device comprises a grinding disc, a motor frame is fixedly connected to the bottom face of the grinding disc, a rotating motor is fixedly installed on the bottom face of the motor frame, a grinding wheel is fixedly connected to the end, in the grinding disc, of a transmission shaft of the rotating motor, and sliding grooves are formed at the left side and the right side of the top face of the grinding disc. Sliding plates are arranged in the sliding grooves in a sleeved manner, grooves with inverted-T-shaped cross sections are formed in the faces, corresponding to the center of the grinding disc, of the sliding plates, sliding blocks are arranged on the inner walls of the sliding plates in a sleeved manner, holes are formed in the faces, away from the center of the grinding disc, of the sliding blocks, rotating discs are connected into the holes through rotating bearings, and tooth grooves are formed in the outer walls of the rotating discs. The inner walls of the side faces of the sliding plates are provided with grooves, five toothed plates are arranged in the grooves in a sleeved manner, through the arrangement of the sliding plates, in the process that each face of diamond is lifted after grinding is completed, the diamond is automatically made to rotate, the tedious operation of disassembling and assembling the diamond and adjusting the angle is omitted, and the machining efficiency of diamond grinding is improved.
Owner:湖州中芯半导体科技有限公司
Wafer rotation speed detection device
ActiveCN112345785BPrevent leakagePlay a barrier effectSemiconductor/solid-state device manufacturingDevices using optical meansDrive shaftEngineering
The present application relates to the field of wafer cleaning equipment, in particular to a wafer rotational speed detection device. The wafer rotation speed detection device includes a seating cylinder and a driven shaft. An end cover of one end of the seating cylinder is provided with a mounting hole, and the driven shaft extends into the seating cylinder through the mounting hole, and passes through the first bearing. and the second bearing is rotatably connected with the seat cylinder. An air inlet is formed on the seat cylinder between the first bearing and the second bearing, a first flow channel is formed on the side wall of the driven shaft, and one end of the first flow channel is located between the first bearing and the second bearing, The other end of the first flow channel extends to the side wall of the driven shaft opposite to the inner wall of the installation hole of the seat cylinder, so that the gas entering the seat cylinder can flow to the installation hole through the first flow channel, and then the gas It is introduced into the brushing box through the gap between the installation hole and the driven shaft, so that the gas can play a barrier effect and prevent the cleaning liquid in the brushing box from leaking through the inner cavity of the seat cylinder.
Owner:BEIJING SEMICON EQUIP INST THE 45TH RES INST OF CETC
UPVC composite drain pipe production equipment and using method thereof
The invention discloses UPVC composite drain pipe production equipment and a using method thereof, relates to the technical field of UPVC composite drain pipe production equipment, and aims to solve the problem of non-uniform mixing caused by material accumulation. The production equipment specifically comprises a material extruding chamber, two groups of stirring mechanism and a feeding mechanism; a mounting frame is fixed to the outer wall of one side of the material extruding chamber by bolts; a motor is mounted on the outer wall of one side of the mounting frame through a motor seat; and an output end of the motor is rotatably connected with a material extruding main shaft through a toothed chain transmission assembly. A using method of the production equipment specifically comprises the following steps of turning on the power of each electric device by working personnel so as to preheat a rod heating mechanism and a heating core; adding a main material through a main material feeding chamber; and conveying the main material by rotating an electric feeding screw, wherein a stirring post follows to rotate. According to the UPVC composite drain pipe production equipment, a firstmixing plate and a second mixing plate are arranged, and the material stirring is realized by utilizing a structure that the first mixing plate and the second mixing plate are distributed in a staggered manner.
Owner:安徽玉发塑业有限公司
A kind of preparation method of low reverse osmosis superabsorbent resin
The invention discloses a preparation method of a low reverse osmosis high-absorbency resin. In the polymerization process, a redox initiator is used, and a hydrophilic and hydrophobic composite cross-linking agent and a phase transfer catalyst are added. Alkali is added for neutralization during the polymerization and granulation processes, and a surfactant is added during the granulation process. The granulated gel is dried, pulverized, screened, and surface treated in sequence to obtain a low reverse osmosis high-absorbency resin. The anti-reverse osmosis ability of the low-reverse osmosis high-absorbency resin prepared by the invention is obviously improved, and the effect on improving the dryness and comfort of sanitary products is obvious.
Owner:浙江卫星新材料科技有限公司
Production equipment for anti-skid and anti-vibration paint
ActiveCN112138793BGuaranteed grinding effectAvoid mixingGrain treatmentsMetal coatingElectric machine
Owner:佛山市迈海新材料科技有限公司
Film blowing machine for heat shrink film production
The invention provides a film blowing machine for heat shrink film production. The film blowing machine comprises a feed hopper, an extrusion cylinder, a screw assembly, a driving motor and a die head, the extrusion cylinder comprises a cylinder body, a first end cover and a second end cover; the screw assembly comprises a central rotating shaft, a first material conveying sleeve, a melting reinforcing sleeve, a second material conveying sleeve and a sealing sleeve; the first material conveying sleeve, the melting reinforcing sleeve, the second material conveying sleeve and the sealing sleeve which rotate along with the central rotating shaft are sequentially connected outside the central rotating shaft in a sleeving manner in the axial direction, the sealing sleeve is rotatably connected in a step groove in one side of a second sealing cover, and an end plate used for abutting against the end part of the central rotating shaft is arranged at the end part of the sealing sleeve; and a containing groove formed in the axial direction is further formed in the center of the center rotating shaft, a heating part stretching into the containing groove for heating is fixed in the second end cover, and spiral blades are further arranged outside the first material conveying sleeve, the melting reinforcing sleeve and the second material conveying sleeve. The heating and melting efficiency of plastic particles in the extrusion cylinder can be greatly improved, the uniformity effect of the melted materials can be improved, and meanwhile the maintenance cost is low.
Owner:KUNSHAN COSMO PACKAGING MATERIAL CO LTD
A kind of mpcvd diamond grinding device
ActiveCN112847125BImprove processing efficiencyEliminate cumbersome operationsGrinding drivesLapping machinesDrive shaftElectric machinery
The invention relates to the technical field of diamond processing, and discloses an MPCVD diamond grinding device, comprising a grinding disc, a motor frame is fixedly connected to the bottom surface of the grinding disc, a rotating motor is fixedly installed on the bottom surface of the motor frame, and the transmission shaft of the rotating motor is inside the grinding disc One end of the grinding wheel is fixedly connected with a grinding wheel, and there are chutes on the left and right sides of the top surface of the grinding disc. A sliding plate is sleeved in the sliding groove. There is a slider, the side of the slider away from the center of the grinding disc is provided with a hole, and the hole is connected with a turntable through a rotating bearing. , Through the setting of the slide plate, in the process of grinding and lifting of each surface of the diamond, the diamond is automatically rotated, eliminating the tedious operation of disassembling and assembling the diamond to adjust the angle, and improving the processing efficiency of diamond grinding.
Owner:湖州中芯半导体科技有限公司
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