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LED and production method thereof
InactiveCN101621101ANot easy to shiftReliable electrical connectionSemiconductor/solid-state device detailsSolid-state devicesEngineeringLight-emitting diode
The invention relates to an LED and a production method thereof. The LED comprises a substrate, an LED wafer and a bonding layer, wherein the LED wafer is bonded on the substrate in a flip chip way; and the bonding layer is arranged between the substrate and the LED wafer so as to bond and electrically communicate the substrate and the LED wafer. The surface on which the substrate and the LED wafer are bonded is provided with at least one groove, the bonding layer is arranged on the groove. The bonding layer of the LED is arranged in the groove of the substrate, so that the LED wafer and the substrate are bonded firmly through the bonding layer, and the bonding layer is not prone to shift, thus ensuring that the LED wafer and the substrate have relatively good electric connection.
Owner:ZHANJING TECH SHENZHEN +1
Power inductance element formed by molding and manufacturing method thereof
ActiveCN102856037AGood electrical performance consistencyNot easy to shiftTransformers/inductances coils/windings/connectionsTransformers/inductances magnetic coresMiniaturizationEngineering
The invention discloses a power inductance element formed by molding. The power inductance element comprises a prefabricated magnetic core, a coil and a magnetic plastic package layer, wherein the coil is placed on the prefabricated magnetic core; the magnetic plastic package layer is formed by molding and is used for covering the magnetic core and the coil; and an electrode connected with the coil is exposed. The invention also discloses a method for manufacturing the power inductance element formed by molding. The method comprises the following steps of: a, prefabricating the magnetic core and placing the coil on the prefabricated core; and b, covering the magnetic plastic package layer on the magnetic core and the coil by virtue of molding and exposing the electrode connected with the coil. The power inductance product has the advantages of thinning, miniaturization and high reliability.
Owner:SUNLORD (SHANGHAI) ELECTRONICS CO
Transcatheter left atrial appendage plugging system
ActiveCN104856741APhysiologically consistentReasonable specification designOcculdersIsosceles trapezoidMedicine
The invention relates to a transcatheter left atrial appendage plugging system. The system is composed of an inner plugging body, a connecting rod, a direction regulator and an outer plugging body, all of which are orderly arranged from the inner end to the outer end; the inner plugging body is provided with a mesh basket support and a first plugging film; the mesh basket support is formed by use of mesh basket wires and riveting hooks and protective balls are arranged on the mesh basket wires; the connecting rod is of a structure adjustable in length in the axial direction; the direction regulator is used for regulating the direction of the connecting rod; the outer plugging body is of a meshed hollow structure in a stand shape; the cross section of the outer plugging body is circular, while the longitudinal section of the outer plugging body is isosceles trapezoid-shaped; a second plugging film is arranged inside the outer plugging body; the first plugging film and the second plugging film both are microporous water-permeable films. According to the design ideal of inside plugging, the transcatheter left atrial appendage plugging system can be completely plugged without any residual cavity; the plugging system is suitable for the left atrial appendages different in shape and depth; besides, the plugging system is small in endothelialization area, steady in position after implantation and good in safety.
Owner:GUANGDONG PULSE MEDICAL SCI & TECH CO LTD
Degradable human body stent capable of effectively preventing transposition and reducing hyperplasia and manufacturing method
The invention relates to a degradable human body stent capable of effectively preventing transposition and reducing hyperplasia. The degradable human body stent is characterized by comprising a reticulate body structure, a skirt stacking type degradable laminating membrane, at least one developing sign and a covering membrane. The skirt stacking type degradable laminating membrane and the developing sign are additionally arranged on multiple sections of reticulate bodies to be used for identifying the human body implantation position of the human body stent during human body developing. The reticulate body structure is composed of the multiple sections of reticulate bodies, and the multiple sections of reticulate bodies are connected in series, so that the multiple sections of reticulate bodies are bent to a certain degree relative to others under the stress effect, and a channel is formed between the multiple sections of reticulate bodies. The multiple sections of reticulate bodies are formed by degradable materials. The peripheries of the multiple sections of reticulate bodies are covered by the covering membrane, the membranes of the whole stent are like fish scales, and one section of skirt is stacked below a next section of skirt. The one or more developing signs are additionally arranged on the multiple sections of reticulate bodies to be used for identifying the human body implantation position of the human body stent during human body developing.
Owner:施瑞华
Welding device for special-shaped bent pipe
ActiveCN106514106APrecise positioningNot easy to moveWelding/cutting auxillary devicesAuxillary welding devicesEngineeringMechanical engineering
The invention discloses a welding device for a special-shaped bent pipe. The special-shaped bent pipe is installed on a working platform. The special-shaped bent pipe comprises a plurality of horizontal sections and a plurality of oblique sections. The horizontal sections are parallel to the working platform. An included angle is formed between each oblique section and the working platform. The welding device for the special-shaped bent pipe comprises at least one first supporting mechanism used for supporting the horizontal sections, at least one second supporting mechanism for supporting the oblique sections, a limiting mechanism used for limiting the movable end of the special-shaped bent pipe, at least one first clamping mechanism for clamping the special-shaped bent pipe, and a second clamping mechanism for clamping the middle portion of the special-shaped bent pipe. The welding device is simple in structure, the special-shaped bent pipe is clamped and positioned, looseness and displacement are not likely to happen, the welding precision of the special-shaped bent pipe is effectively guaranteed, welding application of a welding machine is facilitated, the welding and assembling efficiency is improved, welding errors are reduced, and the welding quality of products is improved.
Owner:景和智能制造(广东)有限公司
Anti-restenosis digestive tract stent
InactiveCN102335052AMeet the requirements of minimally invasive operationsRelieve painStentsRadiation therapyCylindromaPercent Diameter Stenosis
The invention discloses an anti-restenosis digestive tract stent which is characterized in that a main body (1) is formed by connecting a plurality of stent units (2) and an easily-bent connecting part (3), wherein two ends of the connecting part (3) are respectively connected with the corresponding stent unit (2), the main body (1) is of a right circular cylinder structure which is easy to bend or a composite structure which is easy to bend and consists of a cylinder and a cone; and each stent unit (2) is of an integral structure formed by carving a metal pipe material or a structure formed by weaving a silk material, and the connecting part (3) is formed by weaving a metal line material or plastic line material with good flexibility. The anti-restenosis digestive tract stent has better radial supporting strength and better compliance, and ensures that the stent has the advantages of more accuracy of positioning, difficulty in translocation, low restenosis incidence and the like.
Owner:MICRO TECH (NANJING) CO LTD +2
Involvement type prosthetic heart valve stent with barbs and preparation method thereof
The invention discloses an involvement type prosthetic heart valve stent with barbs and a preparation method thereof, and belongs to the technical field of involvement type medical devices. The stent is an elastic stent which can stretch or retract in a radial direction, and comprises a tubular structural part and a skirt-shaped open structural part; the diameter of the skirt-shaped open structural part is greater than that of the tubular structural part; the tubular structural part and the skirt-shaped open structural part are coaxially and fixedly connected; barks are also arranged in the stent; the barbs extend from the tubular structural structure to the skirt-shaped open structural part and are tilted to the outer side of the stent. The stent can extend and retract in the radial direction so as to facilitate the mounting, the transporting and the releasing in involvement treatment; the stent structure is matched with the physiological structure of a natural valve, has a certain self-positioning function, and is convenient to position and release quickly and accurately; the barbs can penetrate into the tissues around the valve after the heart valve is planted into a specific position so as to achieve a positioning effect; displacement and perivalvular leakage are not easily caused after the valve is released.
Owner:SHANGHAI NEWMED MEDICAL CO LTD
Regulating intracranial intravascular thrombus extraction device
The invention relates to a regulating intracranial intravascular thrombus extraction device. The thrombus extraction device is provided with an adjusting guide wire, a thrombus extractor and an outer fixing sheath, wherein one end of the thrombus extractor is fixedly connected with the outer fixing sheath through a fixer, and the other end of the thrombus extractor is fixedly connected with a head-end developer through a fixer; the adjusting guide wire is also fixedly connected to the head-end developer, penetrates through the outer fixing sheath and the thrombus extractor, and is fixedly connected with a handle; a knob and a graduated scale are arranged on the handle. The thrombus extraction device has the advantages that the operability is high, the position of the thrombus extractor can be accurately regulated, the diameter of the thrombus extractor can be intuitively controlled, and thrombus can be completely captured and prevented from falling off; the thrombus can be firmly fixed, and compared with a conventional self-expanding thrombus extractor, the thrombus extraction device is higher in controllability and safety; the adjusting guide wire is controlled to accurately control the position, extension position and withdrawal position of the thrombus extractor by the knob and the graduated scale, and errors are small.
Owner:SECOND MILITARY MEDICAL UNIV OF THE PEOPLES LIBERATION ARMY
Differential conveying security check system
ActiveCN104536055AOvercome the stacking defectEasy to checkNuclear radiation detectionButt jointEngineering
The invention discloses a differential conveying security check system which comprises a security check machine and a power conveying device. The power conveying device is in butt joint with the inlet of a belt conveyor. The power conveying device and the belt conveyor are located on the same horizontal plane and identical in conveying direction. The conveying linear speed of the power conveying device is smaller than that of the belt conveyor. Luggage parcels are conveyed to the belt conveyor through the power conveying device. The belt conveyor quickly increases the distances between the adjacent luggage parcels. The differential conveying security check system can quickly increase the distances between the luggage parcels which are compactly stacked in the prior art, and the luggage parcels enter a detector as a queue at certain intervals one by one, so that the defect that in the conveying process of an existing security check machine, luggage parcels are stacked is overcome, image uniformity of luggage parcels which pass through the security check machine each time is guaranteed, the check leakage phenomenon is effectively avoided, and the abnormal luggage parcels can be conveniently checked.
Owner:SHANGHAI RAYS ELECTRONICS SCI & TECH
UV curing liquid optical cement and preparation method and application thereof
ActiveCN105985749AThere will be no glue overflow problemModerate bond strengthPolyureas/polyurethane adhesivesEster polymer adhesivesUV curingOligomer
The invention discloses UV curing liquid optical cement. The UV curing liquid optical cement is prepared from, by weight, 20-70 parts of active oligomer, 10-50 parts of tackifying resin, 10-40 parts of reactive diluent, 0.3-5 parts of photoinitiator and 1-5 parts of additive. The tackifying resin has a unique molecular structural formula. A preparation method of the UV curing liquid optical cement comprises the steps that the active oligomer, the tackifying resin, the reactive diluent, the photoinitiator and the additive are placed in a planetary vacuum mixer and are stirred and mixed to be uniform, and a finished product is obtained through filtering and defoaming. The problem of cement overflow that common liquid optical cement cannot overcome and the problem that the common liquid optical cement is not suitable for the special lamination process of UV precuring, lamination and UV curing for cement overflow prevention are solved, a cement film formed by the UV curing liquid optical cement has moderate bonding strength and a good locating effect, the bonding strength is greatly improved after UV curing is carried out again, the surface of the cement film is very smooth, a certain edge shape is kept, and no edge collapse phenomenon occurs; the UV curing liquid optical cement is suitable for automatic equipment coating and especially suitable for full lamination of modules.
Owner:DONGGUAN POWERBOND NEW MATERIALS TECH DEV
Wood cutting device for forestry engineering
ActiveCN109732707ASmooth cutNot easy to shiftFeeding devicesGripping devicesEngineeringMaterials processing
The invention relates to the field of building material processing equipment, in particular to a wood cutting device for forestry engineering. A rectangular through slot is formed in the middle end ofthe right end of a base; an L-shaped seat plate is fixedly connected into the rectangular through slot; a wood collecting box is placed onto the L-shaped seat plate; a feeding slide base is fixedly connected onto the base; the wood collecting box is positioned below the right end of the feeding slide base; a wood fixed slide base is connected on the feeding slide base; a power device is fixedly connected to the front end of the base; the power device is in transmission connection to a cutting assembly through a belt; and the cutting assembly is fixedly connected to the right end of the base.The wood cutting device can fix wood, and the fixed wood is not liable to deviate, so that wood cutting is more smooth, wood scrap is avoided, and waste of wood resources is avoided; and an intermittent feeding mechanism can automatically feed the fixed wood to cut, so that a constructor is prevented from risk during operation.
Owner:陈芬芬
Heavy goods carrying table and method for using same
The invention aims to provide a transferring table of a heavy load which hardly shifts when laid on a floor of a transferring vessel such as a container or the like, is easily positioned and stably fixed to a predetermined position of the inner side of the transferring vessel, shows stability to the roll and pitch of a ship, and enables easy carrying-in and carrying-out of the heavy load with a small force such a human power. The transferring table 1 of the heavy load transfers a cylindrical heavy load using a transferring means arranged on the floor, and has: a table portion 2; leg portions 6 arranged on both sides of the lower part of the table 2; a cylindrical heavy load placement portion 4 forming a pair of inclination surfaces arranged on and fixed to the table portion 2 and facing to each other; and a fastening material fixing portion 3 arranged at a predetermined portion of the table 2 or the leg portions 6 and fixing the fastening material such as a hoop material, a steel band or the like which fastens the cylindrical heavy load to the cylindrical heavy load placement portion 4.
Owner:TSUNEISHI HLDG CORP
Cold iron and core rod combining device for casting of sand core of generator cylinder block and manufacturing method
ActiveCN104550757AReduce marksReduce maintenance costsFoundry mouldsFoundry coresCylinder blockMaterials science
The invention relates to the field of equipment for a casting technique, in particular to a cold iron and core rod combining device for casting of a sand core of a generator cylinder block and a manufacturing method. The cold iron and core rod combining device for casting of the sand core of the generator cylinder block comprises a core box which is used for forming the semi-cylindrical sand core, wherein an arc-shaped inner molded surface is formed in the bottom of the core box, and a cold iron and core rod combining device body which is connected fixedly and used for core manufacture is arranged in the core box. According to a cold iron and core rod structure, cold iron 4 and a core rod framework can be fixedly connected firstly before sand filling, complicated work of manual placement of the cold iron is avoided during sand filling, and the positioning accuracy of the cold iron 4 and the sand filling efficiency are improved; the cold iron and core rods are fixed through welding and the like, mechanical compaction can be performed after sand filling, and the compactness of the sand core is improved.
Owner:KOCEL EQUIP
Material conveying and locating device
ActiveCN107487614AAchieve clamping and fixingIncrease productivityConveyorsFinal product manufactureAutomatic controlEngineering
The invention discloses a material conveying and locating device comprising conveying rails, a controller and a workbench. The material conveying direction is defined as the forward direction. The workbench is provided with the two forward-backward-direction conveying rails which are located on the left side and the right side of the workbench correspondingly. The conveying rails are provided with a distance-changing driving mechanism. The distance-changing driving mechanism drives the two conveying rails to go close to each other or go away from each other so as to adjust the distance between the two conveying rails. The conveying rails are provided with conveying chains, and the direction of the conveying chains is consistent with that of the conveying rails. Conveying driving mechanisms are connected to the conveying chains. A lifting plate is arranged above the workbench. A lifting driving mechanism driving the lifting plate to move up and down is arranged below the lifting plate. The lifting plate is provided with a front locating block and a rear locating block which are matched with materials front and back. The two locating blocks go close to each other or go away from each other through a front-back clamping driving mechanism so as to clamp or loosen the materials. Full-automatic control is adopted for the whole production process of the material conveying and locating device, workforce is liberated, and production efficiency is improved.
Owner:KUNSHAN TUOYU AUTOMATION TECH CO LTD
Defrosting heater, evaporator assembly of refrigerating equipment and refrigerator with same
ActiveCN101957117AIncrease temperatureIncrease contact areaEvaporators/condensersCompression machines using turbinesEngineeringRefrigerated temperature
The invention discloses a defrosting heater. The defrosting heater is suitable for being arranged at an evaporator of refrigerating equipment and between water collecting disks under the evaporator. The defrosting heater comprises a first heating pipe, a second heating pipe and a connecting pipe, wherein the first heating pipe is suitable for being close to the bottom surface of the evaporator and parallel to the bottom of the evaporator; both ends of the second heating pipe are respectively inclined to the middle along the direction from the bottom surface of the evaporator to drainage openings of the water collecting disks; and the connecting pipe is in a U shape and is used for connecting the first ends of the first heating pipe and the second heating pipe. The defrosting heater of the embodiment of the invention prevents the secondary freezing of defrosted residual ice at the water collecting disks and the drainage openings so as to solve the problem of drainage opening blockage or defrosting water overflow. The invention also discloses an evaporator assembly of refrigerating equipment with the defrosting heater and a refrigerator with same.
Owner:HEFEI MIDEA REFRIGERATOR CO LTD +1
Damper apparatus
ActiveCN105042993ANot easy to shiftShock suppressionOperating means/releasing devices for valvesLighting and heating apparatusLocking mechanismTeeth missing
Provided is a damper apparatus with which it is possible to suppress abnormal sounds immediately after the locking of gears has been released. Specifically, in a first lock mechanism (81) of the damper apparatus, a first arcuate outer-peripheral part (686) peripherally adjacent to a teeth-missing gear (682) in a drive gear (68) enters a portion of a plurality of teeth (694) in which some teeth are narrowed in the axial direction to restrain a sector gear (69), the plurality of teeth (694) being meshed with the drive gear (68) in the sector gear (69). In the tooth (682c) nearest to the first arcuate outer-peripheral part (686) in the teeth-missing gear (682), the curvature of a first tooth flank (682c1) on the side opposite the first arcuate outer-peripheral part (686) is less than the curvature of a second tooth flank (682c2) on the first arcuate outer peripheral part (686) side, and the tooth (682c) has a curved surface continuous from the first tooth flank (682c1) to the second tooth flank (682c2).
Owner:SANKYO SEIKI MFG CO LTD
Blade spraying protective fixture
ActiveCN107138325AImprove spray uniformityNot prone to "collapse" phenomenonSpraying apparatusFlangeEngineering
Owner:CHINA HANGFA SOUTH IND CO LTD
Efficient wall drilling machine
ActiveCN109227965AControl altitudeImprove stabilityWorking accessoriesStone-like material working toolsFixed frameEngineering
An efficient wall drilling machine comprises a base, a first cylinder is arranged on the base, and a piston rod of the first air cylinder is fixedly connected to the lower side of a rotating device; fixing frames are arranged on the two sides of the rotating device, and a telescopic scale rod is fixedly connected between each fixing frame and the base; the upper end of the rotating device is connected with a fixing base, and a sliding groove is formed in the horizontal direction of the fixing base; a drilling device is slidably connected with the interior of the sliding groove, and a damping device is connected to the vertical direction of the fixing base; the damping device is connected with a second cylinder, and a piston rod of the second cylinder is connected with the drilling device;a hollow connecting pipe is fixedly connected to the upper end of the fixing base, and a scale rod is inserted into the front end of the connecting pipe; the scale rod is fixed into the connecting pipe through a locking bolt, and a vacuum suction cup is arranged at the front end of the scale rod. The drilling machine is reasonable in design, the working efficiency can be effectively improved, thedrilling positioning precision and quality are improved, and the flexibility and the safety are achieved.
Owner:王勇
Wheel profile laser measurement device
InactiveCN102607426AEasy to measure on siteSimple structureUsing optical meansMeasurement deviceControl signal
The invention relates to a wheel profile laser measurement device. An electromotor is fixed on one end of a base, and is connected with a drive screw, and an incremental photoelectric encoder is mounted on the other end of the drive screw; a guide rod which is parallel with the drive screw is arranged on the base as well, and the bottom of the base is fixed on a rail through supporting blocks; a movable slider is sleeved on the guide rod, and also cooperates with the drive screw by means of screw threads; a movable rod is fixed on the movable slider, a laser head of a laser displacement sensor is fixed on the top of the movable rod, the serial port and the USB port of the laser displacement sensor are respectively connected with the serial port and the USB port of a computer, and the signal output end of the incremental photoelectric encoder is connected with the control signal input end of the laser displacement sensor. The test device can conveniently measure the abrasion change of a wheel profile on the spot; moreover, the device is convenient to carry and easy and convenient to operate, the measurement precision is high, and the repeatability of test data is good.
Owner:SOUTHWEST JIAOTONG UNIV
Optical cable splice box
ActiveCN103995327AStructural continuityImprove stress resistanceFibre mechanical structuresEngineeringUltimate tensile strength
The invention discloses an optical cable splice box, and aims at providing a splice box which is good in matching and low in accuracy requirement and can ensure a sealing effect during bearing and heating. The optical cable splice box comprises an upper half box and a lower half box, wherein the upper half box and the lower half box are connected to forma box body; at least two optical fiber hole frames are arranged at the two ends of the box body respectively; each optical fiber hole frame comprises an outer section and an inner section; optical fiber inlet sleeves are arranged in the outer sections; the inner sections consist of half slots in the lower half box and half slots in the upper half box; corresponding elastic clamp sleeves are arranged in the half slots; sealing grooves are formed in the upper half box and the lower half box; sealing strips are arranged in the sealing grooves; the sealing strips and the elastic clamp sleeves are connected to form sealing rings; each sealing strip is 0.5-1mm higher than an opening of each sealing groove; and cross sections of the sealing strips are trapezoids with outward large bottom edges. The optical cable splice box has the benefits that an assembling accuracy requirement is low; the cost is saved; displacement is not easy to generateat butting parts of the sealing rings; the sealability is good; and a reinforcing structure is arranged in the box body, so that the compressive capacity and the overall strength are high.
Owner:杭州华宏通信设备有限公司
Sanitary napkin cutting machine
ActiveCN104002324AGuaranteed accuracyGuaranteed reliabilityMetal working apparatusMotor driveSanitary napkin
The invention discloses a sanitary napkin cutting machine. According to the technical scheme, the sanitary napkin cutting machine comprises a frame, a napkin cutting mechanism, a conveying mechanism used for conveying the sanitary napkins, a drive mechanism driving the conveying mechanism to convey the sanitary napkins, and a control device used for controlling the napkin cutting mechanism, the conveying mechanism and the drive mechanism to operate; the napkin cutting mechanism comprises a rotary cutter used for cutting the sanitary napkins, a first motor driving the rotary cutter to rotate, and a swinging device driving the rotary cutter to swing in a reciprocating manner; the conveying mechanism comprises an input component and a output component; the rotary cutter is placed between the input component and the output component. The rotary cutter swings adjacent to or far from the sanitary napkins in a reciprocating manner, efficient cutting can be implemented by matching with the conveying mechanism, the notches are smooth after cutting, structure is simple, space required by the rotary cutter is small, and the size of the cutting machine can be reduced effectively.
Owner:ZHEJIANG DINGYE MACHINERY
Air-liquid pipeline filter
InactiveCN103083973ASimple structureEasy to manufactureDispersed particle filtrationStationary filtering element filtersEngineering
The invention discloses an air-liquid pipeline filter. The air-liquid pipeline filter comprises a filter body and is characterized in that the filter body comprises a housing as well as an inlet and an outlet arranged at the two ends of the housing; an upper cover is arranged at the top of the housing; the upper cover is fixed with the housing through bolts; a locating block is fixed in an inner cavity chamber in the upper cover through a fixing bolt; springs are arranged at the two sides of the locating block respectively; the lower sides of the springs are connected with filter nets; the filter nets are fixed at the bottom of the housing; baffles are arranged between the springs and the filter nets; and sealing gaskets are further arranged between the upper cover and the housing. The air-liquid pipeline filter has the advantages of simple structure, easiness for manufacture and location, low possibility of displacement, convenience in mounting and use, and good blockage prevention and blockage elimination effects, and is suitable for air-air pipelines and air-liquid pipelines.
Owner:HAIMEN DASHENG WATER TREATMENT EQUIP PLANT
Guide rail machining device
ActiveCN104924080AImprove rigidityHigh strengthOther manufacturing equipments/toolsSynchronous motorMotor drive
A guide rail machining device comprises a working table. A drilling tool main shaft driven by a DC synchronous motor is arranged on the working table, arranged on a transverse guide rail and connected with a lead screw and nut mechanism driven by a motor. A supporting table for supporting a workpiece and a pressing cylinder for fixing the workpiece are installed on the working table. A pull rod for pulling the workpiece is arranged at the front end of the working table. By means of the structure, the guide rail is moved through the pull rod and fixed through the pressing cylinder, the drilling tool main shaft is only moved transversely without being moved longitudinally, and therefore the hopping of the drilling tool main shaft is reduced, and the machining quality of the guide rail is improved. The lead screw and nut mechanism driven by the motor mainly comprises a motor, a lead screw and a nut pair, wherein the motor drives the lead screw to rotate and drives the nut pair to move as well.
Owner:LISHUI UNIV
UV-moisture dual-curing liquid optical cement and preparation method and application thereof
ActiveCN105985750ARealize the function of dual curingReduce consumptionPolyureas/polyurethane adhesivesEster polymer adhesivesUV curingReactive diluent
The invention discloses UV-moisture dual-curing liquid optical cement. The UV-moisture dual-curing liquid optical cement is prepared from, by weight, 45-80 parts of UV moisture curing matrix resin, 10-50 parts of tackifying resin, 10-35 parts of reactive diluents, 0.3-5 parts of photoinitiator and 1-5 parts of additive. The matrix resin and the tackifying resin have unique molecular structures. The invention further provides a preparation method of the UV-moisture dual-curing liquid optical cement. The preparation method comprises the following steps that the matrix resin and the tackfying resin are prepared; then all the materials are placed in a planetary vacuum mixer and are stirred and mixed to be uniform, and the finished product is obtained through filtering and defoaming. The problem of cement overflow that common liquid optical cement cannot overcome and the problem that the common liquid optical cement is not suitable for the special lamination process of UV precuring, lamination and moisture curing for cement overflow prevention are solved, a cement film formed by the UV-moisture dual-curing liquid optical cement after primary UV curing has moderate bonding strength and a good locating effect, the bonding strength is greatly improved after moisture curing, the surface of the cement film is very smooth, a certain edge shape is kept, no edge collapse phenomenon occurs, and the UV-moisture dual-curing liquid optical cement is suitable for automatic equipment coating.
Owner:DONGGUAN POWERBOND NEW MATERIALS TECH DEV
Electric clamping mechanism for auto spare parts
The invention discloses an electric clamping mechanism for auto parts, which comprises a supporting beam, a right supporting side plate, a left supporting side plate, a lead screw, a left splint, a right splint, a left slider and a right slider, the two ends of the supporting beam are under the A right support side plate and a left support side plate are respectively fixed and welded, and a lead screw is provided on the rotatable frame between the right support side plate and the left support side plate, and the left outer ring surface of the lead screw and the right outer ring surface of the lead screw are both Processed with external threads, the left slider is rotated and set on the left outer ring of the lead screw through threaded connection, the right slider is rotated and set on the right outer ring of the lead screw through threaded connection, and the left splint is passed through a lower connecting rod The fixed mount is arranged on the bottom end of the left slider, and the right splint is fixedly installed on the bottom end of the right slider through another lower connecting rod. The invention has the advantages of simple structure, convenient operation, high clamping efficiency and stability, and is suitable for popularization and use.
Owner:应剑军
Artificial aortic valve support implanted through guide tube and conveying system thereof
The invention provides an artificial aortic valve support implanted through a guide tube. The artificial aortic valve support comprises a support and an artificial valve. The support is weaved from an elastic-fiber-shaped material, is in a dumbbell structure, and comprises a head, a waist and a tail, and a layer of biocompatible film is covered on an outer surface of the head of the support, and a mounting anchor is mounted at the tail of the support. A conveying system for conveying the support is further provided and comprises an epitheca, an inner core, a loader, a push bar and a fixed head. The mounting anchor at the tail of the support is mounted on the fixed head, and the artificial aortic valve support is conveyed to an inner body through puncturing. The support is close to physiological anatomical structure and is capable of self-expanding separation, and an artificial bio-valve is adopted and is close to the functions of the artificial valve. And the conveying system can be slightly transformed from the conveying system of a heart disease stopper, so that apparatuses used for treating structural heart disease become standard and normal gradually, and meanwhile, resources are also saved and consumption is lowered.
Owner:徐州亚太科技有限公司
Silencer
InactiveCN101985895AReduce exhaust soundEasy to shapeExhaust apparatusSilencing apparatusEngineering
Owner:HONDA MOTOR CO LTD
Manual hole digging pile structure and digging pile pouring method
The invention relates to the technical field of building construction, in particular to a manual hole digging pile structure. The manual hole digging pile structure comprises a pile hole, a protectivewall and a steel reinforcement cage, wherein the pile hole is formed in the ground, the protective wall is fixedly connected with the hole wall of the pile hole, the steel reinforcement cage is positioned in the pile hole, the protective wall is provided with a plurality of fixing holes, the steel reinforcement cage is fixedly connected with a plurality of fixing cylinders in one-to-one correspondence with the fixing holes in position, fixing rods matched with the fixing holes in an inserted mode are matched in the fixing cylinder in a sliding mode, and a transmission mechanism for driving the fixing rods to slide along the fixing cylinders is arranged in the steel reinforcement cage. The manual hole digging pile structure has the effect that the steel reinforcement cage is not prone to shifting when concrete is poured, and accordingly has the effect of improving the forming quality of a cast-in-place pile.
Owner:广东裕基建筑工程有限公司
Fodder crushing and drying integrated equipment for raising livestock
ActiveCN107159397ANot easy to shiftImprove crushabilityFeeding-stuffDrying gas arrangementsEngineeringLivestock
The invention relates to fodder crushing equipment, in particular to fodder crushing and drying integrated equipment for raising livestock. According to the fodder crushing and drying integrated equipment for raising livestock, the equipment is good in crushing effect, the crushed fodder can be dried, the fodder is not prone to being damp and getting mildewed, and the financial loss is decreased. The fodder crushing and drying integrated equipment for raising livestock comprises a bottom plate, supports, a collecting frame, fixing columns, a fodder-stopping funnel, a fixing block, a crushing device and the like. The top of the bottom plate is vertically provided with the supports in a left-right symmetrical bolted connection. The tops of the inner side surfaces of the two supports are horizontally provided with the fixing columns in bolted connection. According to the fodder crushing and drying integrated equipment for raising livestock, the effects that the crushing effect is good, the crushed fodder can be dried, the fodder is not prone to being damp and getting mildewed, and the financial loss is decreased are achieved.
Owner:江苏桂柳牧业丰县有限公司
Antibacterial, leakage-proofing and side-slip preventing sanitary napkin
ActiveCN108186204APromote absorptionNot easy to shiftSanitary towelsBandagesSurface layerEngineering
The invention discloses an antibacterial, leakage-proofing and side-slip preventing sanitary napkin. The sanitary napkin comprises a surface layer, a stream guidance groove, a side-leakage preventinggroove, a U-shaped bump, an arc-shaped groove, side wings, water retaining grooves, side-leakage preventing bumps, a stream guidance core, an absorbent layer, a bottom layer, a non-slip net, a first arc-shaped strip and a second arc-shaped strip, wherein the surface layer is the uppermost layer of a sanitary napkin main body; the absorbent layer is arranged at the lower side of the surface layer;the upper end face of the absorbent layer is glued to the lower end face of the stream guidance layer; the bottom layer is arranged at the lower side of the absorbent layer; the lower end face of theabsorbent layer is glued to the upper end face of the bottom layer; the stream guidance groove is kept in the surface layer; the stream guidance groove is represented as a sealed ring-closed curve; the stream guidance groove is of a symmetrical structure about the centerline of the sanitary napkin main body; the stream guidance groove is provided with a first flange part, a second flange part anda concave part; the first flange part and the second flange part have arc degrees facing outwards along the axial line of the sanitary napkin main body; and the concave part has an arc degree facing inwards along the axial line of the sanitary napkin main body. The sanitary napkin provided by the invention can prevent side leakage, and the sanitary napkin has bactericidal and bacteriostatic functions.
Owner:王游 +1
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