32results about How to "Guaranteed wetting effect" patented technology

The invention discloses forming equipment for macrofiber-reinforced thermoplastic resin, which comprises equipment for decomposing fiber rings into fiber bundles and pretreating and equipment for impregnating fibers fully and forming by melting resin, wherein fiber bundle independent channels of the equipment for decomposing the fiber ring into the fiber bundle and pretreating are connected with a fiber pre-puffing and preheating system; a fusant inlet die of the equipment for impregnating the fibers fully and forming by the melting resin is communicated with a fiber impregnating body by a fuscant flowing channel and inclines upwards to form a certain angle, and a fiber inlet die is used for connecting the fiber pre-puffing and preheating system and the fiber impregnating body, so that the fibers enter the fiber impregnating body horizontally, and the other end of the fiber impregnating body is connected with a forming die. A preparation method for the macrofiber-reinforced thermoplastic resin comprises the following steps that: (1) after passing through respective independent channels, 20 to 40 bundles of fibers enter the fiber pre-puffing and preheating system in a mode of arranging in one line, and when the fiber bundles pass through a preheating guiding roller, the fibers contact a circular arc surface of the guiding roller, so that the fiber bundles are in a cloth or ribbon shape under the stretching action of traction, wherein the fiber bundles play the pre-puffing effect; (2) after being led into the fiber inlet die and a fiber input hole of the impregnating body horizontally, the pre-puffed and preheated fiber bundles pass through a fiber tension roller in the impregnating body up and down in a staggered mode, wherein the fiber bundles are in a cloth or ribbon shape when contacting the fiber tension roller; and (3) immersed macrofibers and material flow pass through an output channel and the forming die of the impregnating body.

The invention discloses a device for controlling the gel content of an in-situ solidification fiber placement machine. The device comprises a resin-supplying control mechanism, a gel-extruding mechanism, a tension control mechanism and a flow control mechanism, wherein, the resin-supplying control mechanism is arranged above the gel-extruding mechanism; the tension control mechanism is arranged at the front end of the gel-extruding mechanism and used for adjusting the system tension of the device; the flow control mechanism is arranged at the bottom of the resin-supplying control mechanism and used for controlling the flow of resin pouring onto the glass fiber; and the flow control mechanism is used for pouring the resin onto the glass fiber, and the gel-extruding mechanism is used for extruding the resin on the glass fiber into the glass fiber. The invention has the advantages of simple structure, convenient use and low cost, and the invention can realize the accurate control over the gel content of glass fiber and carbon fiber by controlling the temperature of the resin-supplying groove, the flow of the flow control groove, the clearance of the gel-extruding mechanism and the tension of the fiber on a real-time basis.

The invention relates to an agricultural device for soaking seeds in medicine. The agricultural device for soaking the seeds in the medicine comprises a medicine soaking box, wherein a feeding opening is formed in the upper end of the medicine soaking box; a discharging opening is formed in the lower end of the medicine soaking box; a stirring unit is arranged in the medicine soaking box; the discharging opening of the medicine soaking box communicates with a feeding opening of a separating box; a filtering screen plate is arranged in the separating box; a liquid medicine storage box is arranged on the lower plate surface of the filtering screen plate and communicates with an inlet of a pump through a pipeline; an outlet of the pump communicates with the medicine soaking box through a pipeline; the separating box is further provided with a seed discharging opening; an openable baffle is arranged at the opening; the seeds are thrown into the feeding opening of the medicine soaking box; the pump and the stirring unit are started to soak and stir the seeds; the liquid medicine and seed wetting effect is ensured; the completely soaked seeds are guided out from the discharging opening; by the filtering screen plate, the liquid medicine in the seeds is filtered; the liquid medicine which is filtered out is guided into the liquid medicine storage box, and is guided and fed into the medicine soaking box by the pump for circulatory use; and pollution of waste water can be reduced.

The invention provides a continuous fiber reinforced PVC pre-dip material and a preparation method thereof. The continuous fiber reinforced PVC pre-dip material comprises the following components: 50-60 parts of continuous fiber, 20-30 parts of thermoplastic resin, 15-20 parts of a plasticizer, 1-3 parts of a heat stabilizer, 0.5-1.5 parts of a lubricant, 0.5-1 part of a light stabilizer, and 1-3 parts of a grafting agent. The pre-dip material and the preparation method can solve the disadvantages of poor heat stability and poor liquidity of the original product, and the invention provides the moulding method with continuous production and stable performance, can keep the raw material characteristic with maximum degree, improves the processing moulding problem, can reach continuous production, and increases the comprehensive energy efficiency.

The invention discloses a high-hardness high-wear-resistant surfacing electrode for multilayer surfacing, which comprises a welding covering (1) and a flux core (2), wherein the welding covering (1) is a thin-walled tube, the flux core (2) is filled inside the welding covering (1), and two ends of the welding covering (1) are sealed. The flux core (2) comprises the following components in weight percent: 18-26% of metalized diamond, 22-35% of hard alloy and 38-55% of pre-alloyed powder. The high-hardness high-wear-resistant surfacing electrode has the advantages that the electrode is reasonable in structure, scientific in formula and low in cost, the surfacing hardness of a multilayer surfacing layer using the electrode can reach HRC (Rockwell hardness) 62-66, the wear resistance of the electrode is 3-5 times as high as that of a chromium-iron complex carbide surfacing electrode, the electrode is not easy to strip so that the service life of a workpiece is greatly prolonged, and the two ends of the welding covering are sealed so that the flux core is well sealed and is free of powder leakage and moisture absorption.

The invention provides a surface wetting device capable of preventing sewage outflow for ceramic ground laying, and relates to the technical field of ceramic ground laying. The device solves the problems that before traditional ceramic tile laying, ceramic tiles always need to be manually and slowly placed in a large-capacity water bucket, the labor intensity for wetting the ceramic tiles is large, and the laying efficiency is low especially during one-person laying. The device comprises an adjusting support frame; the interior of a water storage tank is of a hollow structure, two push handlesare symmetrically arranged on the left side of the water storage tank, and a mounting cavity is formed in the front end of the bottom of the water storage tank; and the four corners of the bottom ofthe water storage tank are each fixedly provided with a universal wheel, and a driving motor is fixedly mounted on the rear end face of the water storage tank through bolts. According to the device, when the ceramic tiles are placed on a supporting plate on the top of a horizontal bearing frame, the adjusting support frame drives the horizontal bearing frame to rotate to the bottom, so that the ceramic tiles on the top of the supporting plate are immersed below the water surface, the ceramic tiles are soaked, and the ceramic tile surface wetting effect is guaranteed.

The invention relates to the technical field of lithium batteries, in particular to a diaphragm with excellent cohesiveness and air permeability and a preparation method thereof. The diaphragm comprises a base film and a bonding layer, the bonding layer is arranged on at least one surface of the base film and comprises a plurality of hollowed-out structures, each hollowed-out structure is fixed to the surface of the base film, the hollowed-out structures are defined by protruding parts, and the inner parts enclosed by the protruding parts are hollowed-out parts. According to the diaphragm with excellent cohesiveness and air permeability and the preparation method of the diaphragm, the thermal shrinkage performance of a ceramic coated diaphragm is maintained, the bonding strength between the diaphragm and a pole piece is met through relatively low glue content, the good air permeability of the diaphragm is also maintained, and the comprehensive performance of a battery is improved.

The invention discloses a molten aluminum deslagging agent which comprises NaCl, KCl, Na2SiF6 and CaF2, wherein the weight ratio of the NaCl, the KCl, the Na2SiF6 and the CaF2 is 8:6:5:1. A preparation method for the molten aluminum deslagging agent comprises the following steps of adding the NaCl, the KCl, the Na2SiF6 and the CaF2 into a smelting furnace according to the ratio, melting and stirring the mixture, and preparing powder after the mixture is cooled. The molten aluminum deslagging agent has the advantages of high reliability, high separation capability, convenience in preparation, simplicity in use, low cost and the like, and is widely applied to the refining of molten aluminum.

The invention relates to the technical field of lithium-ion batteries, in particular to a formation process for improving cycle thickness expansion of a soft package lithium-ion battery. The process comprises the following steps: 1, standing battery cells after liquid injection, putting a plurality of battery cells into an Arbin test system for voltage measurement, and drawing a voltage and time curve graph; and 2, standing the battery cells, and putting the battery cells into clamp formation equipment for formation. The infiltration state of an electrolyte in the battery cell can be accurately monitored, and the infiltration effect is ensured. In the clamp formation process, all layers of interfaces in the battery cells can be in close contact by exhausting air from the battery cells, sothat the battery cells are uniformly stressed and heated.

The invention provides a packaging technology of a ceramic chip. The packaging technology comprises the following steps of (I) dispensing and film-forming, before chip assembly, coating the edge of one side, which needs to be packaged with a cover plate, of a ceramic carrier with a liquid-like dual-curable sealant through a glue dispenser, and curing and setting the dual-curable sealant through UV light irradiation to form a structural film on the ceramic carrier; (2) chip assembly, namely carrying out chip assembly on the ceramic carrier; and (3) cured sealing, after chip assembly is completed, bonding the cover plate matched with the ceramic carrier in size and the ceramic carrier through heating the structural film and then carrying out cured sealing. The packaging structure of the ceramic chip has the practical advantages of high bonding strength, good surface wettability, high air-tightness and the like, the roll-to-roll automatic dispensing process can be achieved and the production efficiency is obviously improved.

The invention discloses an overflow brick forming quality stability control method which comprises the following steps: S1, determining design parameters according to an overflow brick structure, determining a glass forming temperature T0 according to the forming viscosity of a molten glass material and a material viscosity-temperature characteristic curve, and setting a far-end wetting temperature increment delta T; S2, sequentially calculating overflow brick far-end wetting process parameters, overflow brick near-end wetting process parameters and overflow brick middle-end wetting process parameters; S3, carrying out far-end wetting according to the parameters determined in the S1 and the S2; S4, carrying out near-end wetting according to the parameters determined in the S1 and the S2; S5, carrying out middle wetting according to the parameters determined in the S1 and the S2. According to the design of a glass substrate product, the design of a forming device, the design of an overflow brick assembly and the lead-out amount required by wetting of the far end, the near end and the middle part of an overflow brick; the optimal wetting process is designed, the wetting effect of theoverflow brick is guaranteed, and therefore the phenomenon that due to the unreasonable wetting process, the forming quality of a production line fluctuates uncertainly is effectively avoided.

The invention discloses a thermosetting roll forming system for a fuel cell hydrogen energy automobile. The system comprises a first feeding roller, a rolling system and a conveying crawler belt, and a second feeding roller and a third feeding roller are sequentially arranged on the right side of the first feeding roller. And a first layered steering rolling shaft and a second layered steering rolling shaft are sequentially arranged on the right side of the third feeding roller, and a first layered extrusion rolling shaft, a first resin groove, a first tensioning roller and a first resin filter screen are sequentially arranged on the right side of the second layered steering rolling shaft. The thermosetting roll forming system has the beneficial effects that the interlayer type design feeding mechanism is available through the first feeding roller, the second feeding roller, the third feeding roller, a fourth feeding roller, a fifth feeding roller and a sixth feeding roller, and the requirements of various laying schemes can be met; and by means of the layered forced infiltration method of the first layered extrusion rolling shaft and the second layered extrusion rolling shaft, and meanwhile multiple layers of materials can be infiltrated at the same time, and the infiltration effect of each layer is guaranteed.

The invention discloses a molten aluminum slag remover and a preparation method and application thereof, and belongs to the technical field of molten aluminum refining. The slag remover comprises the following raw materials in parts by weight: 30-50 parts of sodium chloride, 20-40 parts of potassium chloride, 10-20 parts of sodium fluosilicate and 4-8 parts of fluorite. The preparation method comprises the following steps of: preparing 35 parts of sodium chloride, 25 parts of potassium chloride, 12 parts of sodium fluosilicate and 7 parts of fluorite into the slag remover; mixing the slag remover and inputting into molten aluminum in a furnace for stirring; inputting gas D into the molten aluminum while stirring; and finally, filtering out dross to complete refined aluminum purification. The infiltration effect of the molten aluminum is guaranteed by using sodium chloride and potassium chloride, and separation of hydrogen in the molten aluminum is guaranteed by using potassium chloride; and as the partial pressures of the gas D and hydrogen in the molten aluminum are different, hydrogen generated in the molten aluminum enters bubbles and then escapes from the liquid surface, so that hydrogen generated in the molten aluminum can be removed, generation of pores is avoided, and the separation effect is strong.

A molten aluminum alloy refining slag removal agent is characterized by being composed of, by weight, 25%-30% of silicon dioxide, 10%-15% of sodium chloride, 10%-15% of potassium oxide, 5%-10% of sodium oxide, 5%-10% of sodium sulfate, 1%-5% of sodium fluoroaluminate, 5%-10% of sodium fluorosilicate, 1%-5% of titanium dioxide, 5%-10% of calcium fluoride, 2%-4% of potassium fluoride, 2%-4% of hydrogen fluoride and 2%-4% of silicic acid. The molten aluminum alloy refining slag removal agent has the advantages that by the adoption of the sodium chloride and the potassium fluoride, the infiltration effect of molten aluminum is guaranteed, separation of hydrogen in the molten aluminum is guaranteed by the adoption of the potassium fluoride, the molten aluminum alloy refining slag removal agentis high in reliability, high in separation capacity, convenient to prepare, easy to use, low in cost and the like, and meanwhile the molten aluminum alloy refining slag removal agent can be widely applied to the molten aluminum refining aspect.

The invention discloses a fiber reinforced resin matrix self-lubricating compound sliding bearing and a manufacturing method thereof. The fiber reinforced resin matrix self-lubricating compound sliding bearing comprises an inner layer and a back lining, wherein the inner layer is a self-lubricating polytetrafluoroethylene (PTFE) soft band form by mixing self-lubricating polytetrafluoroethylene (PTFE) resin powder with at least one of graphite, molybdenum disulfide, tin bronze powder, glass fiber and carbon fiber; the back lining is formed by dipping and winding alkali-free long glass fiber and epoxy resin glue solution; and the epoxy resin glue solution is prepared by evenly mixing epoxy resin, curing agent, curing accelerator, filler and organic accessory ingredient. The sliding bearing prepared by the method of the invention has the advantages of good self-lubricating property, corrosion resistance, shock absorption, noise reduction, xenembole damage resistance, low cost and the like and is suitable to use at normal temperature.

The invention discloses a bonding packaging structure of a diode and a process thereof. The bonding packaging structure comprises a chip, a molybdenum sheet and a bonding wire, titanium-nickel-silver metallization is carried out on the chip, nickel-gold is electroplated on one side of the molybdenum sheet, nickel is electroplated on the other side of the molybdenum sheet, the nickel-gold electroplated side of the molybdenum sheet is welded on the chip, and the nickel-plated side of the molybdenum sheet is ultrasonically bonded with the bonding wire. A metal layer on the surface of the chip is changed, and a molybdenum sheet is added as a transition sheet, so that the problems of low chip bonding reliability, mismatched thermal expansion coefficients, non-uniform current and the like in the prior art are solved, and the long-term reliability of a product is improved.

The invention discloses a preparation method of a perovskite solar cell. The method comprises steps that perovskite precursor solution is coated on a substrate by adopting a flat needle head; the flatneedle head comprises an interface part and a needle head part which are communicated with each other, the interface part is used for being connected with a storage container of the perovskite precursor solution, and the needle head part is used for coating the perovskite precursor solution; the needle head part comprises an opening end and a connecting end, and the connecting end is connected with the interface part; the opening end is of a flat structure, the width of the opening end is 5-20000 times of the maximum thickness of the connecting end, and the width of the opening end is 2-100 times of the width of the connecting end. The method is advantaged in that coating efficiency can be improved, and photoelectric conversion efficiency of the solar cell is improved.

The invention provides a battery and a battery manufacturing method, the battery comprises: a shell, wherein the shell is internally provided with an accommodating cavity, the accommodating cavity isfilled with an electrode slice, a diaphragm and an electrolyte, the shell is provided with a first end and a second end which are oppositely arranged, the first end of the shell is provided with a first open hole, the second end of the shell is provided with a second open hole, and the first open hole and the second open hole communicate the containing cavity with the outer space of the shell; andtwo plugging pieces which are arranged at the first end of the shell and the second end of the shell in a one-to-one correspondence mode so as to plug the first open hole and the second open hole through the two plugging pieces. The battery provided by the invention solves the problem of poor battery performance caused by insufficient electrolyte filling in the prior art.

The invention discloses forming equipment for macrofiber-reinforced thermoplastic resin, which comprises equipment for decomposing fiber rings into fiber bundles and pretreating and equipment for impregnating fibers fully and forming by melting resin, wherein fiber bundle independent channels of the equipment for decomposing the fiber ring into the fiber bundle and pretreating are connected with a fiber pre-puffing and preheating system; a fusant inlet die of the equipment for impregnating the fibers fully and forming by the melting resin is communicated with a fiber impregnating body by a fuscant flowing channel and inclines upwards to form a certain angle, and a fiber inlet die is used for connecting the fiber pre-puffing and preheating system and the fiber impregnating body, so that the fibers enter the fiber impregnating body horizontally, and the other end of the fiber impregnating body is connected with a forming die. A preparation method for the macrofiber-reinforced thermoplastic resin comprises the following steps that: (1) after passing through respective independent channels, 20 to 40 bundles of fibers enter the fiber pre-puffing and preheating system in a mode of arranging in one line, and when the fiber bundles pass through a preheating guiding roller, the fibers contact a circular arc surface of the guiding roller, so that the fiber bundles are in a cloth or ribbon shape under the stretching action of traction, wherein the fiber bundles play the pre-puffing effect; (2) after being led into the fiber inlet die and a fiber input hole of the impregnating body horizontally, the pre-puffed and preheated fiber bundles pass through a fiber tension roller in the impregnating body up and down in a staggered mode, wherein the fiber bundles are in a cloth or ribbon shape when contacting the fiber tension roller; and (3) immersed macrofibers and material flow pass through an output channel and the forming die of the impregnating body.

The invention discloses a manufacturing method of a carbon fiber product for a fuel cell hydrogen energy automobile. The manufacturing method comprises the following steps: S1, precursor pretreatment; S2, heating and curing; S3, plastic coating; and S4, carbon fiber yarn weaving. According to the manufacturing method of the carbon fiber product for the fuel cell hydrogen energy automobile, a layer of plastic is additionally arranged on the surface of the carbon fiber in a plastic coating process, the situation that the performance of the carbon fiber is reduced can be effectively avoided, and therefore it is guaranteed that the performance of the carbon fiber is not affected; According to the method, in a carbon fiber weaving process, the carbon fibers are combined into the plied yarn and woven into fabric, a carbon fiber forming process can be simple by adopting a weaving forming method, and manufacturing of the carbon fiber product is facilitated.

The invention belongs to the technical field of glass fibers, particularly relates to a glass fiber infiltration system for high-tech materials, and aims to solve the problems that glass fiber infiltration is not thorough enough, the infiltration effect is poor, and use is not facilitated, the following scheme is provided, the glass fiber infiltration system comprises a box body, and the outer wall of one side of the box body is fixedly connected with a driving mechanism; the outer wall of one end of the box body is fixedly connected with a liquid inlet pipe, and the interior of the box body is rotationally connected with a driving roller. According to the glass fiber cleaning device, the driving mechanism is arranged to drive the driving roller to rotate, so that the driven roller which is in transmission connection through the belt is driven to rotate, finally, the loading mechanism on the outer wall of the belt can move on the belt, an impregnating compound is introduced into the cleaning bin in the box body through the liquid inlet pipe, and then glass fibers are loaded into the loading mechanism; the moving loading mechanism drives the glass fibers to enter the impregnating compound, and the matching belt moves in the impregnating compound, then is separated from the impregnating compound and finally enters the impregnating compound again, so that the purpose of circulating and efficient infiltration is achieved, and the infiltration effect is guaranteed.

The invention relates to an infiltration tank for cable processing and an assembly line. The infiltration tank comprises a tank body, a heating assembly and a tensioning assembly; The tank body is used for containing waterproof glue; the heating assembly is used for heating the waterproof glue; the tensioning assembly is used for continuously and repeatedly tensioning a cable core located in the tank body. The infiltration tank can improve the waterproof capability of an existing cable.