243results about How to "No secondary processing required" patented technology

The invention provides a method for preparing a ceramic particle enhanced steel-base composite material cast by an evaporative pattern casting die. The method comprises the following steps of: uniformly mixing hard ceramic particles and aged foam beads according to any proportion, and filling the mixture into a curing die cavity of the die for curing to manufacture a foam die in which enhancement bodies are uniformly distributed; and then shaping according to the conventional evaporative pattern casting method, putting the obtained foam die into the cavity, smelting a base metal material to pouring temperature, pouring the base metal material into the cavity, cooling and solidifying the base metal material at room temperature, and clearing sand away from the base metal material to obtain the ceramic particle enhanced steel-base composite material, of which the hard ceramic particles are dispersed in the base metal. The preparation method is easy to operate, high in whole performance and high in yield rate; furthermore, in spite of whole enhancement and partial enhancement, various metal-base composite material parts can be directly made without secondary processing; the method is suitable for large-scale industrial production, and can be widely applied to anti-abrasion fields, such as mines, power, metallurgy, coals, building materials and the like.

The invention provides a forming device and method of an aluminum-based silicon carbide particle reinforced composite material and a member thereof. The forming device comprises a laser system, a powder spreading system, an inert atmosphere system and a control system. By using the forming device, quick formation of the aluminum-based silicon carbide particle reinforced composite material and the member thereof can be realized. The forming method provided by the invention is simple, and adopts digitized manufacturing. The formed product is compact and uniform in texture, and any complicated members can be directly manufactured without being secondarily processed.

The invention discloses photo-curable 3D (three-dimensional) printing aluminum-base ceramic slurry and a method for preparing ceramic mold cores. The photo-curable 3D printing aluminum-base ceramic slurry comprises ceramic formula powder, photo-curable resin systems and additives. The photo-curable 3D printing aluminum-base ceramic slurry and the method have the advantages that the photo-curable 3D printing aluminum-base ceramic slurry is high in solid phase content, low in viscosity and applicable to photo-curable 3D printing photo-polymerization, the problems of high viscosity and poor flowability of existing slurry for photo-curable 3D printing ceramics, easiness in agglomerating ceramic particles in the existing slurry, uneven dispersion of the ceramic particles, low solid phase contents and the like can be solved, and application of photo-curable 3D printing to ceramic precision components can be expanded.

The invention relates to a semitransparent fluorescent powder/glass composite luminescent ceramic wafer and a preparation method thereof. The semitransparent fluorescent powder/glass composite luminescent ceramic wafer is obtained by carrying out 'pelletizing, compression moulding and sintering' on fluorescent powder and low-melting-point glass powder, wherein content of the fluorescent powder is 30-85wt%, and the content of the low-melting-point glass powder is 70-15wt%. The preparation method of the semitransparent fluorescent powder/glass composite luminescent ceramic wafer comprises the following steps: firstly, uniformly mixing fluorescent powder with glass powder in certain proportion, and adding a binding agent required by pelletizing and demoulding, so that pelletized powder of 60-100 meshes is obtained; secondly, carrying out compression moulding on the obtained pelletized powder by virtue of a mould, so that a green body of a certain shape is obtained; thirdly, carrying out heat treatment, namely carrying out glue drainage on the green body for 2-4 hours at the temperature of 300-395 DEG C, and sintering for 1-2 hours at the temperature of 395-410 DEG C, wherein the whole heat treatment process is carried out in the air atmosphere; and finally the fluorescent powder/glass composite luminescent ceramic wafer is obtained.

The invention relates to an automatic cutting machine for an artificial wood fiber board. The automatic cutting machine for the artificial wood fiber board comprises a base board, a movable pushing device is mounted at the rear end of the base board, two supporting boards are symmetrically mounted in the middle of the base board, a first supporting roller is mounted between the inner walls of the upper ends of the two supporting boards through a bearing, a cutting device is mounted at the front end of the base board, and the movable pushing device and the cutting device cooperate with each other to complete the automatic processing technology of boards. The automatic cutting machine can solve the problems that workers need to use clamps to push the boards and use a disk saw to cut the boards when using a traditional cutting method to conduct cutting processing in small-sized board processing factories, the cutting precision is low, clamps need to be replaced manually according to needs of different board widths, the labor intensity is high, the traditional board cutting method can only conduct cutting in one direction, the boards need to be processed for a second time, and the working efficiency is low; and the automatic cutting machine can achieve the function that the boards are cut automatically.

The invention relates to equipment for carrying out spray freezing and drying on inert particles, comprising a fluidizing system, an atomizing system, a freezing system and a heat exchange system, wherein the heat exchange system is connected to the fluidizing system by virtue of a gas pipeline. The invention also relates to a method for carrying out spray freezing and drying on the inert particles, comprising the following steps of: (1) adding an inert particle group; (2) introducing a refrigerant; (3) introducing low-temperature low-humidity fluidizing gas; (4) freezing and spray coating; (5) freezing and drying; and (6) separating powder. The equipment and process for carrying out spray freezing and drying on inert particles in the invention couple processes such as fluidizing, cold spray coating, drying and separating, thus atomizing, freezing, drying and separating can be completed in one equipment, enclosed action and continuous operation are realized, no pollution is produced to the environment, dried feed liquid foods and medicines can be dried into powder finished products in one step, and no secondary processing is required; and besides, the structure is simple, the operation is convenient, and the manufacturing cost of equipment is reduced.

The invention provides a processing method for a three-dimensional glass panel for wearable intelligent devices, and belongs to the technical field of glass panel processing techniques. The processing method solves the technical problem of conventional processing methods that surfaces are rough after processing. The processing method comprises the steps of shape machining, loading and cleaning, preheating, hot pressing and cleaning and removal. The processing method can process the high-quality three-dimensional glass panel for one time.

The invention provides a punching and flanging machine. The punching and flanging machine comprises a rack and a punching mechanism and a front feeding car which are arranged on the rack. The punching and flanging machine is characterized in that the working end of the punching mechanism is provided with a punching pin of which the cross section is in an elliptic shape, and the rack is further sequentially provided with outer mold clamping blocks, a mold core, a back feeding car, a hollow mold core connecting rod, a cone tongue rod connecting rod, a mold core connecting rod fixing seat and a flanging drive oil cylinder; the mold core comprises a hollow outer mold core body, a mold core insert inserted into the top of the outer mold core body, a flanging punch and a cone tongue rod, wherein the flanging punch and the cone tongue rod are arranged in an inner cavity of the outer mold core body, the flanging punch is arranged on the cone tongue rod in a sleeving mode, the cone tongue rod is connected to the flanging drive oil cylinder through the cone tongue rod connecting rod, and the cone tongue rod is moved to push the flanging punch to perform hole flanging machining. The punching and flanging machine is few in process, high in hole flanging efficiency, little in mold wear, durable, low in machining cost and capable of machining thin-wall and thick-wall pipes and machining a same pipe fitting in the different directions.

The invention discloses a recycling process of tin-removing waste liquid. The method includes the steps of S1, feeding the tin-removing waste liquid into a distilling device, and performing pressure reduction distillation under the temperature of 65-80 DEG C and the pressure of (0.2-0.5)*1.03*10<5>Pa to recycle nitric acid; S2, feeding distillation residual liquid into an electrolytic tank with an ion exchange membrane for electrolysis, controlling current density and cathode potential to recycle copper in the residual liquid through electrolysis, acquiring tin dioxide at the anode of the electrolytic tank, and acquiring metal copper at the cathode of the electrolytic tank; S3, controlling current density to be unchanged after metal copper is recycled, and changing cathode potential to recycle tin through electrolysis, constantly adding sulfuric acid solution in a cathode chamber during the electrolysis process until the electrolysis is ended, acquiring the tin dioxide at the anode of the electrolytic tank, and acquiring metal tin at the cathode of the electrolytic tank, wherein the current density is 100-200A/m<2>. The recycling process has the advantages that no chemical reagent is added, and secondary pollution is avoided.

The invention relates to a preparation mold of a composite material in a ceramic-base corrugated sandwich structure and solves the problems that as the borne temperature of the preparation mold of the corrugated sandwich structure is low in a machining process of a component in the corrugated sandwich structure in the prior art, the preparation mold cannot bear sufficient stress, is easy to deform, cannot guarantee the dimensional precision of a test piece and needs to carry out secondary machining. The preparation mold comprises a base plate, a pressing plate, two slide rail plates, four cylindrical connecting pieces, N+1 trapezoidal fixed sliding blocks and N trapezoidal movable sliding blocks, wherein the slide rail plates are rectangular slide rail plates, N+1 erected isosceles-trapezoid-like through holes are uniformly formed in the bottom of each slide rail plate along the horizontal direction, and N inverted isosceles-trapezoid-like through holes are uniformly formed close to each erected isosceles-trapezoid-like through hole along the horizontal direction. The preparation mold is used for manufacturing the ceramic-base corrugated sandwich structure.

The invention discloses a female die for stamping of automobile parts. The female die comprises a female die body. The female die body comprises a female die first part, a female die second part and a female die third part, wherein the female die first part, the female die second part and the female die third part are coaxially arranged in sequence from left to right. The outer diameter of the female die first part is larger than that of the female die second part, and the outer diameter of the female die second part is larger than that of the female die third part. A first middle hole is formed in the center of the female die first part, and the depth of the first middle hole is larger than the axial thickness of the female die first part. A second middle hole which is coaxial with the first middle hole and communicated with the first middle hole is formed in the center of the female die third part, and the diameter of the first middle hole is larger that that of the second middle hole. The female die has high dimensional precision, and can be used repeatedly and guarantee manufacturing precision and assembly precision of the automobile parts which are manufactured through the female die. The invention further discloses a machining method of the female die. By means of the machining method, the dimensional precision of the female die in a stamping die is high, the female die can be qualified at a time through the production process, and the product rejection rate is low.

The invention provides a 45-degree corner cutting and punching mould for a doorframe semi-finished product, comprising a male mould and a female mould, wherein a 45-degree corner cutting upper cutting edge is arranged at the lower end of the male mould, a 45-degree corner cutting lower cutting edge is arranged on the upper end of the female mould, wherein the shape of the 45-degree corner cutting lower cutting edge is coincident with that of the 45-degree corner cutting upper cutting edge, the upper surface of the 45-degree corner cutting lower cutting edge is in a curve shape coincident with the cross-section shape of the doorframe semi-finished product, the lower surface of the 45-degree corner cutting upper cutting edge is in a sectional incremental shear curve shape, and the 45-degree corner cutting upper cutting edge is arranged corresponding to the 45-degree corner cutting lower cutting edge, and forms a sectional incremental shear structure for the doorframe semi-finished product with the 45-degree corner cutting lower cutting edge. The 45-degree corner cutting punching mould for the doorframe semi-finished product has the beneficial effects that: the lower surface of the 45-degree corner cutting upper cutting edge is in the sectional incremental shear curve shape, and forms the sectional incremental shear structure for the doorframe semi-finished product with the 45-degree corner cutting lower cutting edge, therefore, the punched doorframe cannot generate edge deformation, has little burrs, dispenses with secondary processing and is orderly and attractive.

The invention discloses a manufacturing method of a three-dimensional large-sized artificial rock core. The manufacturing method comprises the following steps: (1) producing a mold according to a size of a prefabricated three-dimensional large-sized artificial rock core; (2) filling the mold with a mixture of skeleton particles, formation water and a cementing agent, wherein the granularity distribution of the skeleton particles is consistent with that of the natural rock core; (3) pressing the mixture in the mold; and (4) roasting the pressed mold, and shaping. The granularity distribution, porosity, permeability, cementing degree and pore throat characteristics, mechanical properties and the like of the rock core are approximate to the natural rock core; and the manufactured rock core can substitute a reservoir core to perform the macro experimental research. The rock core manufactured by the invention can simulate a sedimentary rhythm and structural configuration of a real reservoir. The rock core manufactured by the invention can simulate different completion conditions and well pattern modes and can realize the indoor experiment under the high pressure condition.

The invention provides an online automatic pipe cutting device. The online automatic pipe cutting device comprises a box; a guide disc is arranged in the box; a turntable is arranged on one side of the guide disc; a through hole penetrates through the box, the guide disc and the turntable in sequence, and the through hole is concentric with the turntable; multiple cutters are arranged on the outer side of the through hole, and are uniformly distributed about the axis of the through hole; the cutters include cutter bits and rotating shafts mutually connected; a Lelo polygonal slide way is formed in a guide piece; the rotating shafts are arranged in the slide way after penetrating through the box and the turntable; the cutter bits are positioned on the outer side of the box; deflection pinions are arranged on the rotating shafts; an inner gear ring is arranged on the box, and is concentrically arranged with the through hole; and the pinions and the inner gear ring are matched in an engaged manner. The online automatic pipe cutting device is simple in structure and strong in practicability, adopts an annular cutting method to cut steel pipes to obtain tidy incisions, can be applied to a steel pipe production line, is high in automation degree and excellent in precision, prevents the material waste, needs no secondary processing, reduces the cost, and is high in efficiency.

The present invention relates to a device for cutting a metal plate, comprising: a support part on which a metal plate is placed; first and second transfer frame parts positioned above and under the support part, respectively; a first cutting part which moves along the first transfer frame part and which includes a first saw blade part for cutting at least a part of the metal plate including the top of the metal plate by rotating; and a second cutting part which moves along the second transfer frame part and which includes a second saw blade part for cutting at least a part of the metal plate including the bottom of the metal plate by rotating. The present invention provides a device for cutting a metal plate, capable of cutting a metal plate without generating burrs on the cutting plane and without requiring secondary processing.

The invention is applicable to a glass cover plate production technology and provides a 3D bent glass cover plate production technology. The production technology comprises the steps of rough shape cutting, CNC machining, thorough sweeping, ultrasonic wave washing, hot bending forming, tempering, UV coining, AR film plating, silk screening, engraving of a nanometer silver electricity conduction pattern layer, fitting laminating and jet printing. A 3D bent glass cover plate manufactured through the technology is novel in appearance and good in vision effect, meets the requirement of people forthe high-quality appearance of the glass cover plate, is low in manufacturing cost, can be produced in batch, and has a wide application prospect. The problems that a glass cover plate in the prior art is a planar or 2.5 D basically, homogenization is severe, novelty is lacked, and the requirement of people for the high-quality appearance of the product cannot be met easily are solved.

The invention belongs to the technical field of synthesis processing of light-weight metal materials, and particularly relates to a magnesium alloy for textile machinery and a preparation method of a profile thereof. On the basis of the commercial magnesium alloy, the contents of part of alloy elements are strictly controlled, and extrusion pretreatment and extrusion technique are used for regulation and cooperation to obtain the novel magnesium alloy profile for textile machinery; and the magnesium alloy profile for textile machinery has the advantages of stable dimension, high precision and reliable properties, does not need secondary processing for appearance dimensions, and can completely eliminate residual stress. When being used in textile machinery, the magnesium alloy profile extruded by the preparation method has active effects on reducing the energy consumption and lowering the cost.

The invention relates to the field of geological research, in particular to a rock similar material for a geomechanics physical model test and a preparation method thereof. The material is prepared from, by weight, 45-50 parts of barite, 1.5-3.9 parts of cement, 2.4-4.5 parts of water, 1-5 parts of 46# waste hydraulic oil and 0.5-1.5 parts of rubber powder. The barite and the rubber powder are evenly mixed, and then dried and dewatered, the mixture is taken out and cooled to room temperature, the cement is added to continue to be stirred to be uniform, the 46# waste hydraulic oil is added to the mixture to be stirred to be uniform, then the water is added to be stirred to be uniform, and the material is obtained. The preparation process of the method is simple, mixing is carried out at normal temperature in the preparation process, and therefore energy consumption is low, preparation efficiency is high, and cost is low.

The invention discloses a handheld type ultrasonic electric drill, which comprises a drill bit, an ultrasonic vibrator, an output shaft, a carbon brush, an insulated coupling, a motor, an outer casing, a power transmission cable, an electric drill controller, a motor rotation speed control trigger, an ultrasonic switch pushbutton, a fixing ring, an electric collector ring, an insulation ring and an ultrasonic power source, wherein the output end of the output shaft is connected with a flange disc of the ultrasonic vibrator, the drill bit is arranged at the output end of the ultrasonic vibrator, and the electric energy input end of the ultrasonic electric drill controller is electrically connected with the ultrasonic power source by the power transmission cable. The handheld type ultrasonic electric drill has the advantages that the ultrasonic vibration is realized, the ultrasonic vibration frequency reaches 20kHz, the drilling force in the drilling process is obviously reduced, an operator can use smaller force to drill material, the labor intensity of the operator is decreased, the drilling efficiency is improved, the abrasion of the drill bit is reduced, the drilling quality is high, the flashes and burrs are fewer, the damage to surrounding material is avoided, and the secondary processing on the surfaces with higher quality requirement is not needed.

The invention relates to a manufacturing method of a sour-sweet lotus rhizome-strip can. The method comprises the following steps: cleaning lotus rhizome strips, removing head parts and tail parts of the lotus rhizome strips, cutting into lotus rhizome strip sections, soaking in a sodium hypochlorite solution, performing sterilization processing, soaking in a mixed solution of citric acid and ascorbic acid, performing color protection processing, draining the color protection solution, adding the drained lotus rhizome strip sections in a packaging container, soaking in edible white vinegar and sucralose soup with the soup level higher than the lotus rhizome strip sections, sealing under a vacuum condition, and packaging to obtain the product. The product manufactured by the invention is sour-sweet and tasty, and is suitable for extensive consumer population; the original brittleness, shape and color of the lotus rhizome strips are basically maintained; the shelf-life is up to 12 months, and the product can be supplied to the market all the year round; the product can be eaten immediately after opening the can, and no secondary processing is needed.