45results about How to "Avoid uneven staining" patented technology

A method of manufacturing a casing of an electronic device is provided. The method of manufacturing the casing of the electronic device includes following steps: providing a metal hosuing provided with an inner face and an outer face opposite to the inner face, forming a plurality of holes in the inner face of the metal housing, forming a non-conductive layer, a part of which extends into the holes, on the inner face of the metal housing, and dyeing the outer face of the metal housing to form the casing of the electronic device. The invention further discloses the casing of the electronic device.

The invention relates to the field of three-dimensional printing and particularly relates to a three-dimensional ink jetting printing equipment and a three-dimensional ink jetting printing method. The three-dimensional ink jetting printing equipment comprises a control module, a movement module and a three-dimensional printing module, wherein the three-dimensional printing module is used for printing a thermoplastic material by layers according to data read by the control module; the movement module is used for controlling the movement of a printing object in a layered control process under the control of the control module; the three-dimensional ink jetting printing equipment further comprises an ink jetting module; the ink jetting module is connected with the control module and is used for carrying out ink jetting dyeing treatment on a current layer after an entity of the current layer is printed by the three-dimensional printing module; the movement module is used for controlling the movement of the printing object in an ink jetting process under the control of the control module; and the ink jetting module, the movement module and the three-dimensional printing module work independently under the control of the control module. According to the three-dimensional ink jetting printing equipment, a colorful plane printing technology can be applied to a complicated three-dimensional object and the printing cost is low.

The invention provides an eosin staining solution comprising the components of eosin, Biebrich scarlet, flame red, ethanol and water. The invention also provides a preparation method of the eosin staining solution, a HE staining solution containing the eosin staining solution and a staining method of the eosin staining solution. When the eosin staining solution provided by the invention is used for staining slices, the background is clear, the gradation is distinct, the staining effect is good, and the slices can be read easily, cannot fade easily and are convenient to store for a long time.

The invention discloses a printing and dyeing device for spinning. The device comprises a base, a printing and dyeing box is fixedly connected to the top of the base, dye is movably connected to the interior of the printing and dyeing box, two first guide rollers are fixedly connected to the interior of the printing and dyeing box and inside the dye, two second guide rollers are fixedly connectedto the interior of the printing and dyeing box and located over the first guide rollers, a material flattening plate is fixedly connected to the interior of the printing and dyeing box and located over the second guide rollers, the two sides of the inner wall of the printing and dyeing box are each fixedly connected with a material uniform box. The invention relates to the technical field of printing and dyeing. According to the printing and dyeing device for spinning, a material flattening wheel is used for rolling a cloth, then, a hair absorbing ball on a hair suction plate is used for adsorbing hair on a cloth, the cloth dyeing is more uniform, the working efficiency is high, the hair on the surface of the cloth is easily removed clearly, the whole cloth quality is improved, and the whole aesthetic feeling of the cloth is enhanced.

The invention relates to the technical field of aluminum alloy, in particular to an aluminum alloy dyeing additive and a dyeing method. The aluminum alloy dyeing additive comprises the following raw materials of, by weight, 30-35 parts of nickel sulfate, 8-12 parts of stannous sulfate, 18-22 parts of sulfuric acid, 16-20 parts of a coloring stabilizer and 13-18 parts of a synergist. The dyeing additive is used for aluminum alloy dyeing, the dyeing efficiency and uniformity can be improved, the dyeing effect and the product yield are improved, the problems of color flowing, different colors andthe like in the dyeing process are solved, the service life of coloring liquid is prolonged, and aluminum alloy has a good appearance effect, good durability and long service life. An aluminum alloydyeing pretreatment method using the aluminum alloy dyeing pretreatment agent is simple and convenient to operate and easy to control, the dyeing efficiency and uniformity can be remarkably improved,the dyeing effect and the product yield are improved, an aluminum alloy dyeing workpiece with a uniform color and a good appearance effect can be obtained, and the aluminum alloy dyeing pretreatment method is suitable for industrial mass production.

The invention belongs to the technical field of textile printing and dyeing, and especially relates to an indigo blue reducing and dyeing method. The clean indigo blue reducing and dyeing method is provided to avoid the problems of poor labor environment and excessive amount of sulfate substances in wastewater in the traditional indigo blue reducing and dyeing process. The method provided by the invention has the advantages of no irritating odor in the reducing and dyeing process, mild reaction process, easiness in control, and no sulfur-containing substances in the wastewater. An indigo bluedyed fabric obtained by dyeing using the method has a soft color and a good color fastness.

The invention discloses a box type printing and dyeing device for spinning. The device comprises a base, a printing and dyeing box is fixedly connected to the top of the base, dye is movably connectedto the interior of the printing and dyeing box, two first guide rollers are fixedly connected to the interior of the printing and dyeing box and inside the dye, two second guide rollers are fixedly connected to the interior of the printing and dyeing box and located over the first guide rollers, a material flattening plate is fixedly connected to the interior of the printing and dyeing box and located over the second guide rollers, the two sides of the inner wall of the printing and dyeing box are each fixedly connected with a material uniform box. The invention relates to the technical fieldof printing and dyeing. According to the printing and dyeing device for spinning, a material flattening wheel is used for rolling a cloth, then, a hair absorbing ball on a hair suction plate is usedfor adsorbing hair on a cloth, the cloth dyeing is more uniform, the working efficiency is high, the hair on the surface of the cloth is easily removed clearly, the whole cloth quality is improved, and the whole aesthetic feeling of the cloth is enhanced.

The invention discloses a reagent device and a secondary staining method. A sampling nozzle in a sampling device punctures a sealing film at the top of a first container after sampling, and a sample is mixed with a first reagent in the first container to finish first staining; the sampling device and the first container are continuously pushed or rotated downwards to enable a piercing device to bein contact with and pierce a bottom sealing film, and the sample mixed solution after the first staining is mixed with a second reagent in a second container to form a sample mixed solution after thesecond staining; and the sampling device is inverted together with the first container and the second container, the sample mixed solution stained for the second time is dropped into a mixed solutionpaving device from a sample outlet nozzle through the second container, the first container, the sampling nozzle and a sample accommodating channel in sequence, and the mixed solution is flattened inthe mixed solution paving device for microscopic examination. The reagent device is simple and ingenious in structure, very convenient to perform efficient secondary staining, simple to operate, goodin cell staining effect, obvious in stained cell characteristics and suitable for cell analysis in a bright field of view.

The invention discloses a production method of a bamboo fiber siro compact spinning finished product fabric. The production method sequentially comprises the steps of grey yarn finishing, doubling treatment, color yarn processing, loom beam production, pattern design, grey fabric weaving, finishing and repairing, and dyeing and finishing treatment. The problems that in the bamboo fiber siro compact spinning process, defects such as elastic twisting, untwisting, multiple strands and few strands of plied yarn bobbins, wrong dyed yarn count, cloth cover yarn sinking and yarn skipping frequently occur and cloth cover dyeing is not uniform can be effectively solved.

The invention relates to the technical field of textile fabric processing, in particular to a double-sided uniform rolling type full-automatic intelligent dye vat and a method, and aims to solve the problems of miscellaneous wool, non-uniform dyeing and insufficient dyeing of textile fabrics. The double-sided uniform rolling type full-automatic intelligent dye vat comprises a dye box, an extrusion permeation roller set arranged in the dye box and an anti-precipitation stirring assembly, the anti-precipitation stirring assembly is arranged in the dye box and located below the extrusion permeation roller set, and the stress end of the anti-precipitation stirring assembly is connected with the non-working part of the extrusion permeation roller set; the device comprises a dye box, a rapid drying mechanism, a miscellaneous wool removing mechanism and a winding mechanism, the rapid drying mechanism, the miscellaneous wool removing mechanism and the winding mechanism are sequentially installed at one end of the dye box, the problems of uneven dyeing and insufficient dyeing in the fabric dyeing process can be avoided through the device, and miscellaneous wool on the surface of a fabric can be removed in time.

The invention discloses a dyeing device for textile coarse cloth and a using method of the dyeing device, and belongs to the field of textile production equipment. The dyeing device is characterized in that a dye regulator is additionally arranged on the basis of an existing dyeing vat to effectively prevent dye from sinking, the dye regulator pumps dyeing liquid located under the cloth into a water falling box through a water pump, and after water enters the water falling box, under the action of buoyancy, a buoyancy releaser ascends, so that the dyeing liquid falls down from a water falling hole, and the dyeing liquid is conveyed from the bottom to the upper part; the problem that dye is deposited to the bottom due to gravity is effectively solved, the dyeing liquid is mixed and stirred, non-uniform dyeing of cloth is effectively prevented, the trouble in mixing stirring by shutdown is also avoided, the dyeing efficiency is effectively improved; and in addition, hole pricking balls are additionally arranged on the basis of a roller to prick the cloth, so that penetration of the dye is effectively improved.

The invention relates to a non-woven cloth dyeing device which comprises a dyeing pot, wherein the top of the dyeing pot is opened; a liquid inlet and a liquid discharge hole are respectively formed in the upper part and the lower part of the side wall of the dyeing pot; a liquid bath heating layer is arranged on the side wall of the dyeing pot; a heating mechanism is arranged inside the liquid bath heating layer; a suspension mechanism for suspending cloth and a stirring mechanism are sequentially arranged from top to bottom inside the dyeing pot; a bent tube is arranged on one side of the dyeing pot; the lower end of the bent tube is communicated with the interior of the dyeing pot; the upper end of the bent tube is positioned above the top of the dyeing pot; a water pump is arranged onthe bent tube; a base is arranged at the bottom of the dyeing pot; the edge of the upper surface of the base concaves inwards to form a recycling groove; the recycling groove is communicated with a recycling tank through a pipeline. The invention further provides a non-woven cloth dyeing process. The dyeing process is simple. The non-woven cloth dyeing device has the beneficial effects that a dyeing liquid can be effectively prevented from deposition or layering, the dyeing liquid in the dyeing pot can be uniformly distributed, non-woven cloth can be dyed uniformly and brightly, and color fastness can be achieved.

The invention relates to the technical field of cloth dyeing equipment, and discloses a cloth dyeing auxiliary device capable of avoiding uneven dyeing caused by dye precipitation. The cloth dyeing auxiliary device includes a box body, wherein a bracket is fixedly mounted on the outer side of the box body, a cloth unwinding roller is fixedly mounted on one side, close to the box body, of the bracket, and a roller is fixedly mounted at the top of the box body. According to the cloth dyeing auxiliary device capable of avoiding uneven dyeing caused by dye precipitation, a driven gear is driven to rotate through a driving gear, the effect of stirring dye is achieved while cloth is dyed, and the cloth on the upper layer and the cloth on the lower layer can make contact with the dye at different positions in a dyeing box, so that the cloth is dyed more evenly, meanwhile, damage to the cloth in a stirring process of a stirring device is avoided, the dyeing quality of the cloth is improved to a certain degree; and the roller is driven by a special-shaped wheel to shake up and down, so that the redundant dye on the dyed cloth is shaken out, and waste of the dye is greatly reduced.

The invention discloses a method for preparing fancy cashmere yarns by using colored spun fibers, and relates to the technical field of spinning. The method specifically comprises the following steps: S1, dyeing cashmere wool to prepare uniform wool tops, putting the wool tops into production, and making the wool tops into rough yarns through worsted spinning or semi-worsted spinning; S2, conducting fancy twisting PAFA production, namely carrying out fancy yarn production on the rough cashmere yarns by adopting a fancy twisting machine to obtain fancy cashmere yarns; S3, conducting napping on the made fancy cashmere yarns; S4, performing yarn steaming on the napped yarns; and S5, rewinding the steamed yarns into cone yarns to obtain a product. According to the method provided by the invention, a technological process is greatly shortened, cost is reduced, yarn delivery efficiency is improved, the problem of chromatic aberration is avoided, and the method has the advantages of energy conservation and emission reduction; and the prepared fancy cashmere yarns are excellent in mechanical property and good in softness, the color fastness of pigment on a fabric is high, and dye uptake is better.

The invention relates to the technical field of textile processing equipment, and discloses a pigment printing and dyeing device for the textile industry. The device comprises a first support frame, wherein a first rotating shaft is movably arranged in the top end of the first support frame in a sleeved mode, a first winding drum located in the first support frame fixedly sleeves the outer wall ofthe first rotating shaft, a second rotating shaft located in the middle of the first support frame is movably sleeved with the lower portion of the first rotating shaft, a second winding drum locatedin the first support frame fixedly sleeves the outer wall of the second rotating shaft, a dye pool is arranged on one side of the first support frame, and a first mounting support is fixedly connected to one side of the top end of the dye pool. According to the pigment printing and dyeing device for the textile industry, by arranging a guide pipe, a mounting box, a steering pipe, a fixed plate, afloating plate, an ascending rod, a pointer and a ruler, the water amount in the dye pool can be monitored, so that a worker knows the concentration of dye in the dye pool, and uniform dyeing of cloth is guaranteed.

The invention provides a yarn dyeing pretreatment process, which includes the following steps: step I. cleaning a yarn to be dyed, and steaming the cleaned yarn; step II. dehydrating the yarn after steaming; step III. after the dye is filtered and screened, screening out impurities in the dye; step IV. putting the dehydrated yarn into the dye for dyeing; and step V. drying and packaging the dyed yarn. The yarn quality and yarn density are improved by cleaning and cooking the yarn, which is beneficial to improving the dye uptake of the yarn; and the yarn is dehydrated to prevent uneven dyeing caused by excessive water supply to the yarn, and the dyeing quality of the yarn is greatly improved by detecting the dye.

The invention relates to textile raw material coloring equipment and a using method thereof, and belongs to the technical field of textile raw material coloring. The equipment comprises a shell, the interior of the shell is divided into a drying bin and a dyeing bin through a partition plate, a drying device is arranged in the drying bin, and a dyeing device is arranged in the dyeing bin; the dyeing device is installed at the bottom of the partition plate through a height adjusting frame, a dyeing pool is arranged below the dyeing device, a stirring device and a water level monitoring device are arranged in the dyeing pool, an extrusion device is arranged at one end of the partition plate, the discharging port corresponds to the drying bin, and an active cloth rolling device is arranged on the outer side of the discharging port. The feeding port corresponds to the dyeing bin, an auxiliary cloth rolling device is arranged on the outer side of the feeding port, the water inlet corresponds to the dyeing pool, and the water inlet is connected with a feeding device through a water pipe. The problems of dyeing belt breakage and uneven dyeing are solved, and the textiles are extruded and dried step by step, so that drying is more thorough.

The invention relates to the technical field of printing and dyeing equipment, in particular to material preparation and dyeing integrated printing and dyeing equipment for cloth spinning. The equipment is characterized in that at least one feeding pipe is mounted on a material preparation container; an auxiliary feeding pipe, a solvent feeding pipe and a stirrer are further mounted on the material preparation container; a dye pool is connected with the material preparation container through a pipeline; the dye pool is in sliding connection with a first stirring shaft and a second stirring shaft through slideways; the first stirring shaft and the second stirring shaft are connected with a partition plate through bearings; the partition plate is attached to the slideways; and the first stirring shaft and the second stirring shaft are connected with a pneumatic telescopic rod of a telescopic cylinder through second bearings. The problem that in the prior art, cloth printing and dyeing are low in printing and dyeing efficiency is solved. A stirring roller of the first stirring shaft and the second stirring shaft form a cloth dyeing rotary device, so that dyeing is more uniform, the dyeing efficiency can be effectively improved, and the printing and dyeing efficiency is high.

The invention provides a nylon fiber and protein powder overdyeing method. The method comprises the following steps: sequentially adding vat dye, sodium hydroxide, thiourea dioxide, glacial acetic acid and a carrier according to a preset concentration to prepare vat dye liquor; then adding a mixture of nylon fibers and protein powder into the dye liquor for an overdyeing process to finish respective dyeing of the nylon fibers and the protein powder; and finally, washing the dyed protein powder and nylon fibers in circulating water, cleaning flooding and separating to respectively obtain dyed nylon fibers and dyed protein powder. According to the overdyeing method, the dyeing efficiency of the nylon fibers difficult to dye can be remarkably improved, the uneven dyeing phenomenon of the nylon fibers is effectively improved through the excellent adsorption performance and the gradual release effect of the protein powder on vat dyes while the protein powder is overdyed, and the dyed nylonfibers and protein powder have excellent light fastness.