48results about How to "No dripping phenomenon" patented technology

The invention discloses controllable powder spray food 3D (three-dimensional) printing equipment and printing method. A powder feeding device is used for pushing powdery food to an outlet through a horizontally-placed screw rod, and the powder feeding speed at the outlet is controlled by using a vertically placed spiral screw rod. Various powdery foods can be effectively bonded together, and a liquid feeding nozzle can rotate around a powdery food nozzle, so that the liquid feeding nozzle can be always kept behind a powder spout when the powdery food spout moves towards any direction, thereby ensuring the maximum bonding rate of powdery foods. By adopting the printing method, the food printing efficiency and bonding firmness can be increased greatly, the bonding problem of powdery foods in the 3D printing industry is solved effectively, and the application field of 3D printed foods is expanded.

The invention the invention discloses a halogen-free flame-retardant antistatic TPU (thermoplastic polyurethane) material which is composed of 60-90 parts of thermoplastic polyurethane elastomer, 5-40 parts of flame retardant, 1-5 parts of antistatic agent, 0.1-0.5 part of antioxidant and 0.2-1 part of lubricant. The Shore hardness A of the TPU elastomer is 70-95HA, and the flame retardant is composed of one or more of alkyl hypophosphorous acid metal salts or hypophosphorous acid metal salts. The method comprises the following steps: proportionally selecting raw materials, uniformly mixing the selected raw materials, melting, compounding, and granulating by extrusion. The halogen-free flame-retardant antistatic TPU material has obviously lower surface resistivity and obviously higher flame-retardant grade under the condition of not influencing the tensile strength, fracture strength and Shore hardness A of the TPU substrate, is free of halogens, and has excellent flame-retardant and antistatic functions.

The invention relates to a 1206 lubricating grease, comprising the following components by weight percent: 2-4% of aluminum isopropoxide, 4-6% of aminated bentonite, 3-5% of stearic acid, 1-3% of benzoic acid, 37-41% of viscous oil in refined naphthenic base, 29-43% of viscous oil in refined paraffin base, 1-3% of zinc dialkyl dithiophosphate, 1.6-2.9% of triazole fatty acid ammonium salt, 0.1-0.5% of a triazole derivative, 0.8-1.8% of tricresyl phosphate, 1.2-5% of polyisobutene and 0.7-1% of ethyl carbamate. Compared with the prior art, the 1206 lubricating grease is high in dropping point, large in sintering load data and relatively good in compression and wear resistance, and the more outstanding feature is as follows: the steel mesh is excellent in oil dividing, the embodiment 3 is 1/10 of the 1275 grease of LE company of America, and the embodiment 1 is not greater than 1/8; obviously, the pollution in the operation is smaller, the resource can be saved more, and the operation period of the equipment can be prolonged.

The invention belongs to the field of commodities for daily use, and particularly relates to a spraying mask containing gellan gum. The spraying mask provided by the invention also contains monovalentcation salt and divalent cation salt; the spraying mask formed by compounding the gellan gum, monovalent cations and divalent cations can form a gel mask with moderate hardness, so that the defect that the produced gel mask is too hard when the divalent cations are compounded with the gellan gum is overcome. In addition, the spraying provided by the invention also contains a plurality of humectants and anti-allergy agents; the formed spraying mask has the effects of resisting inflammation, resisting allergy and preserving moisture, and meanwhile, has a good skin feeling.

The invention discloses an ink-jet device and a 3D printing device and relates to the technical field of 3D printing. A controller, a negative pressure box assembly, an ink storing box, a bottom plate and a plurality of spray head assemblies uniformly distributed on the bottom plate are included; each spray head assembly communicates with an ink supplying ink box assembly; each spray head assembly comprises a spray nozzle, an ink inlet and an ink returning port communicating with one another; the ink supplying ink box assembly comprises an ink supplying cavity and an in returning cavity; each ink inlet communicates with the ink supplying cavity, and each ink returning port communicates with the ink returning cavity; the negative pressure box assembly comprises a first cavity and a second cavity; the first cavity and the second cavity communicate with a negative pressure source so that the gas pressure in the first cavity can be larger than that in the second cavity; the first cavity communicates with the ink supplying cavity; the second cavity communicates with the ink returning cavity; and the ink supplying cavity and the ink returning cavity communicate with the ink storing box so that an ink circulating passageway of the ink storing box, the ink supplying cavity, the ink inlets, the ink returning ports and the ink returning cavity can be formed. The uniformity and the consistency of ink supplying can be improved, the ink jetting quality is improved, and then the printing effect is improved.

The invention relates to a hopper conveying machine which comprises outer U-shaped steel and inner U-shaped steel. The outer U-shaped steel and the inner U-shaped steel are arranged on a conveying machine platform; a driving shaft is arranged at the front end of the outer U-shaped steel; an outer driving gear and an inner driving gear are arranged on the driving shaft; a driven shaft is arranged at the rear end of the outer U-shaped steel; an outer driven gear and an inner driven gear are arranged on the driven shaft; an outer conveying chain sleeves on the outer driving gear and the outer driven gear; an inner conveying chain sleeves on the inner driving gear and the inner driven gear; supports are arranged on chain joints of the inner and outer conveying chains; hopper support plates arearranged on the supports; conveying hoppers are arranged on the hopper support plates and are used for conveying materials along with the movement of the conveying chains; and a driving motor is arranged on the conveying machine platform and is used for driving power onto the driving shaft through a driving chain. The hopper conveying machine provided by the invention can be used for conveying multiple particle-shaped materials (such as shrimp meat and corn kernels) and irregular materials (such as dried vegetable) in packaging production of a packaging machine.

The invention relates to a nanofiber membrane with whitening and tightening effects and a preparation method of the nanofiber membrane. The nano-fiber membrane is characterized by simultaneously containing pterostilbene, dipalmitoyl hydroxyproline and prinsepia utilis royle oil which serve as oil-soluble whitening and tightening active components and fructose diphosphate trisodium, asiaticoside, hydrolyzed elastin and gynostemma pentaphylla leaf extract which serve as water-soluble whitening and tightening active components, the oil-soluble whitening and firming active component and the water-soluble whitening and firming active component are wrapped by hydrogenated lecithin to prepare a whitening and firming nano-composition, and then the whitening and firming nano-composition is mixed with succinyl glycan, rhizobium gum and deionized water to prepare the nano-fiber membrane through an electrostatic spinning process. The product has the advantages of being good in skin friendliness, good in stability, fast in absorption, convenient to use and the like, meanwhile, the oil-soluble whitening and firming active matter and the water-soluble whitening and firming active matter are loaded, the technical defect that only one of the oil-soluble whitening and firming active matter and the water-soluble whitening and firming active matter can be loaded in the prior art is overcome, and the whitening and firming effect is better.

The invention relates to an electromagnetic heating superconducting heating system. The electromagnetic heating superconducting heating system comprises an electromagnetic heating device (1), a superconducting tube heat transfer device (2) and a floor (4), wherein the superconducting tube heat transfer device (2) comprises a superconducting tube (2.1); the superconducting tube (2.1) and plug sealing caps (2.2) at the two ends of the superconducting tube (2.1) form a sealed cavity (2.4); a fluid suction tube core (2.3) is adhered to the inner wall of the superconducting tube (2.1); superconducting fluid (2.5) is injected into the cavity (2.4); the electromagnetic heating device (1) comprises an electromagnetic heating line (1.1), a heat preservation layer (1.2) and an electromagnetic heating controller (1.3); the heat preservation layer (1.2) covers an outer tube wall at any end of the superconducting tube (2.1); the electromagnetic heating line (1.1) is wound on the heat preservation layer (1.2); and the two ends of the electromagnetic heating line (1.1) are connected with the electromagnetic heating controller (1.3). The electromagnetic heating superconducting heating system has the advantages of long service life, high heating efficiency and low cost.

The invention provides an ink scraping structure of oil printing equipment. The ink scraping structure aims to solve the problem that when an existing ink scraping structure of the oil printing equipment is used, ink brought to a main scraping knife by a roller is large in amount and prone to accumulating and dripping, so that the completeness of ink staining of the roller is affected. The ink scraping structure comprises an ink disc, a roller and a main scraping knife, wherein the ink disc is used for containing ink, part of the roller is soaked into the ink disc, and the main scraping knife is matched with the roller. The ink scraping structure is further provided with a lower scraping knife, the middle of the lower scraping knife is fixedly connected to the inner wall of the ink disc, the upper end of the lower scraping knife is attached to the roller, and the lower end of the lower scraping knife is soaked in the ink inside the ink disc. The ink scraping angle of the lower scraping knife ranges from zero to ten degrees. The upper end of the lower scraping knife is attached to the roller and provided with an arc-shaped groove deviating from the roller. The end of the main scraping knife is connected with an auxiliary scraping knife made of rubber, and the head of the auxiliary scraping knife is provided with an arc-shaped face matched with the roller, and attached to the roller in a pressed mode. The ink scraping structure has the advantages that ink dripping is avoided, the liquid level of the ink is stable, ink staining of the roller is complete, and printed characters or patterns are complete and clear.

Disclosed is a covering yarn spun with flame retardant viscose and aramid blended coated cotton fiber and relates to the technical field of textile production. Roving is spun from, by weight, 65% of white flame retardant viscose fiber and 35% of gold aramid F14 fiber, cotton fiber 6620D filament is coated in the spinning process to produce flame retardant viscose and aramid blended coated cotton fiber 66 filament, and the number of yarns is 34 covering yarns. The manufacturing technology includes the steps of picking, carding, drawing, roving, spinning and spooling; a yarn guiding wheel is arranged on a ring spinning table, the filament is on the left-hand side of a drafting floating area, long-fine auxiliary points are added in the spooling process, removal of core leakage yarns and bubble yarns is ensured, and the relative humidity of the manufacturing environment in each process is 53-59%/yarn. The yarn has good moisture absorption and air permeability, good flame retardant performance, comfortable hand feeling and no droplet melting phenomenon.

The invention relates to a high-dropping-point flame-retardant steel wire rope lubricating grease composition, which is characterized by comprising the following components by weight: 70-90 parts of polyurea lubricating grease; 1-5 parts by weight of an adhesive; 1-5 parts by weight of a flame retardant; 0.1-1 part by weight of an anti-wear agent; 0.3-1.0 part by weight of an antioxidant; and 0.1-0.5 part by weight of an antirust agent, wherein the sum of the components is 100 wt%, the flame retardant is one or more of alkyl phosphate, such as tributyl phosphate, tris(2-ethylhexyl) phosphate,tris(2-chloroethyl) phosphate and tris(2,3-dichloropropyl) phosphate. The steel wire rope lubricating grease with high dropping point and flame retardancy is high in dropping point, low in high-temperature oil separation and capable of self-extinguishing lubricating grease, and even if the lubricating grease is on fire, fire propagation can be prevented within a few seconds, so that a steel wire rope is effectively lubricated, and the effect of prolonging the service life is achieved.

The invention discloses a surface treater for electronic yarn drawing equipment. The surface treater comprises a workbench, a mounting base, a rotating roller, rubber sleeves, a servo motor, an oil box and an arc oil cover, wherein a bearing roller is mounted at the edge of the workbench through the mounting base, the bearing roller is sleeved with a water absorption sleeve, the rotating roller isalso mounted at the middle part of the workbench through the mounting base, the rotating roller is sleeved with a plurality of rubber sleeves, the oil box is mounted below the rotating roller, a plurality of oil ports are arranged on the oil box, the bottom end of each rubber sleeve is tightly fitted with one oil port. According to the surface treater, the rubber sleeves dip-dye an impregnating compound through the oil ports, so that a yarn bundle can be evenly coated with the impregnating compound, the coating effect is good, and the coating is even; the bearing roller with the water absorption sleeve is arranged, so that the moisture in the yarn bundle is absorbed through the water absorption sleeve, then rubber of the rubber sleeves does not drip water; the distance between the arc oilcover and the workbench is reduced, so that the effects of keeping out a water spray and shielding wind of the arc oil cover are further improved.

The invention relates to a method for cooling after knee joint replacement, comprising the following steps: (1) fully absorbing liquid water with a flexible and massive water-absorbing material; (2) putting the water-absorbing material into Freeze in the refrigerator; (3) When the water-absorbent material is frozen for a period of time and squeezed without dripping and is easy to shape, take out the frozen water-absorbent material and apply it to the knee, and make the water-absorbent material stick to the front and both sides of the knee; ( 4) Apply the water-absorbing material on the knee, so that the temperature of the knee can drop to the required range. The beneficial effect of the present invention is: use flexible and block-shaped water-absorbing material to absorb water and freeze it, and then take the water-absorbing material to apply ice to the knee joint, because the water-absorbing material can be well shaped, and then can be tightly attached to the front of the knee And both sides, to achieve a better ice compress effect; in addition, as the ice compress proceeds, the ice cubes melt and are absorbed by the water-absorbing material, without dripping water, and without wetting the surrounding environment.

The invention provides nail polish removing cream characterized by being prepared from the substances containing the following components: 65-80% of an acetone-free nail polish remover, 5-25% of wax,0.5-15% of vegetable oil, 0.1-5% of a nail care component, 0.1-1% of palmitate and 0.1-1% of citric acid. The product is a cream-like nail polish removing product which has good removing effects and contains no acetone.