40results 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 reciprocating pultruder suitable for a glass fiber reinforced plastic bridge, and the invention relates to the technical field of pultruders. The invention comprises an extruder, the extruder is fixedly connected to the side of the support plate away from the bottom plate, the winding box is fixedly connected to the top of the bottom plate, the winding assembly is slidably connected to the inside of the winding box, the impregnation shell is fixedly connected to the top of the bottom plate, the impregnation assembly is slidably connected to the inner wall of the impregnation shell, the extrusion assembly is fixedly connected to the top of the bottom plate, one side of the winding box is fixedly connected to the side of the threading plate away from the extruder, and the remaining two threading plates are slidably connected to the inside of the impregnation shell, the number of threading plates is set to three, the three threading plates gradually become smaller, and the glass fiber yarns inserted into the three threading plates gradually come together to form a dense structure, which is conducive to improving the strength of the glass fiber reinforced plastic bridge after forming, and the glass fiber yarns unwound from the winding box are far apart, and each fiber is clearly distinguished when punching, and it is not easy to pierce the wrong hole.

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 utility model relates to the technical field of crop seed infiltration, and discloses a crop seed infiltration device which comprises an infiltration pool, a U-shaped plate is arranged on the inner side of the infiltration pool, a placing cage is arranged on the inner side of the U-shaped plate and used for placing infiltrated seeds, and a moving mechanism is arranged at the lower end of the infiltration pool. Two sets of rotating mechanisms are arranged on the inner wall of the infiltration pool and used for driving the placement cage to rotate during moving, each moving mechanism comprises a threaded rod, a threaded sleeve and a motor, the threaded rods are rotationally arranged at the lower end of the interior of the infiltration pool, and the threaded sleeves are arranged on the threaded rods in a threaded mode; when the crop seed soaking device is used and seeds in the placing cage are soaked, the placing cage is moved and rotated at the same time, so that the crop seeds in the placing cage can be in a shaking state all the time, the seeds are not prone to being stacked and adhered, and the soaking effect on the seeds is greatly guaranteed.

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 aims to disclose a high-strength and high-conductivity copper-aluminum-copper composite material and a preparation process thereof, and relates to the technical field of metal composites.The copper-aluminum-copper composite material sequentially comprises a first high-strength copper alloy layer, a first aluminum layer, a second aluminum layer, a third aluminum layer and a second high-strength copper alloy layer from top to bottom; the ratio of the thickness of the first high-strength copper alloy layer to the thickness of the first aluminum layer to the thickness of the second aluminum layer to the thickness of the third aluminum layer to the thickness of the second high-strength copper alloy layer is (0.2-0.3): (0.05-0.07): (0.5-0.7): (0.05-0.07): (0.2-0.3); the cast-rolling composite aluminum alloy plate has the beneficial effects that the first aluminum layer and the third aluminum layer are both made of 8011 aluminum alloy or 1060 aluminum alloy, the first aluminum layer and the first high-strength copper alloy layer have high wettability, and the cast-rolling composite strength is high; the second aluminum layer is made of 7A52 aluminum alloy or 6013 aluminum alloy, has the characteristics of light weight and high strength, and is compounded between the first aluminum layer and the third aluminum layer through hot rolling, so that a high-strength composite interface is formed among the first aluminum layer, the second aluminum layer and the third aluminum layer, and the high-strength and high-conductivity copper-aluminum-copper composite material is formed.

The present invention relates to the field of solar panel cleaning technology, and in particular to a solar panel cleaning device, including a shell, a cleaning roller, a spray assembly, a baffle and a blast assembly; when there is a lot of dirt on the surface of the solar panel, a wet cleaning method is used to clean the surface of the solar panel; when there is less dirt on the surface of the solar panel, a dry cleaning method is used to clean the surface of the solar panel. On the whole, it can replace or assist manual work to complete the task of cleaning solar panels. Compared with traditional solar panel cleaning devices, when cleaning dirt on the surface of solar panels, the cleaning effect is better, water resources are saved, and cleaning efficiency is guaranteed. It is suitable for use in various areas with strong winds, mountains, hills and plains, and is suitable for cleaning solar panels of various sizes, various inclination angles and various layout forms, which is conducive to promoting the development of photovoltaic power generation.

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 a fiber wound reinforced self-lubricating composite bearing and a manufacturing method thereof. The bearing comprises an inner winding layer and an outer winding layer, the inner winding layer is formed by the way that polytetrafluoroethylene fiber and other high wearable fiber are mixed and dipped by resin glue solution and then winding is carried out, wherein other wearable fiber is one or two of aramid fiber, polyester fiber, ultrahigh molecular weight polyethylene fiber and carbon fiber; and the outer winding layer is wound on the inner winding layer by virtue of alkali-free long glass fiber dipped in resin glue solution, thus being as the backing of the bearing. The fiber wound reinforced self-lubricating composite bearing of the invention has the characteristics of high bearing capacity, good wear resistance and low cost, can be used for preparing self-lubricating radial sliding bearing and is widely applied to lubrication free work places in rotating, swinging, reciprocating and sliding motion modes.

The invention provides a resin matrix composite material and a preparation method and a vacuum bag for the resin matrix composite material. The concept of "layered manufacturing" is proposed. A large-thickness product is divided into a plurality of micro unit layers on the thickness by low-melting-point plastic films, and heating and pressurizing are performed after vacuum infiltration, so that internal defect of the product is reduced, and the molding speed is accelerated. The low-melting-point plastic is mixed with thermosetting resin after melting to form a layered toughening layer at the micro level, so that interlayer toughness of the product is improved. The concept of "layered manufacturing" provides a new idea for the manufacture of the resin matrix composite material.

The invention relates to the technical field of edible vegetable oil processing, and discloses a billet wetting equipment for edible vegetable oil processing and its use method, which includes a processing bin and a feeding bin. There is a discharge port on the top, a movable plate is installed inside the processing chamber, a rotating rod is fixedly installed at the lower end of the discharge pipe, a vibrating plate is installed movable above the movable plate, and a feeding hole and a The discharge hole, the feed hole and the discharge hole are fixed with arc tubes, which connect the feed hole and the discharge hole. Using the effect of the movable plate reciprocating up and down, the blanks enter the feeding hole and are transported to the processing bin after soaking. At the same time, the soaked billets are stirred and mixed in the processing bin so that all the billets are in contact with each other to ensure that all The degree of blank wetting is similar to ensure the wetting effect of all blanks.

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.