13results about How to "Reduce post-processing steps" patented technology

The invention belongs to the technical field of pipeline repair, and discloses cutting equipment for trenchless pipeline repair, which comprises a pipeline main body and further comprises a cutting device, the clamping assembly is fixedly arranged at the outer part of the pipeline main body; and the stabilizing assembly is arranged on the clamping assembly. A pipeline body is clamped and fixed through a clamping assembly and a stabilizing assembly, cutting equipment is in butt joint with a connecting plate, the cutting equipment is pushed to cut and cut off the pipeline body, in the pushing process, a sliding rod rotates by 180 degrees along an arc-shaped rod, and a first protruding block abuts against a first limiting block for limiting; at the moment, the arc-shaped rod and the cutting equipment reversely rotate and reset, and then reversely rotate by 180 degrees, so that the pipeline main body is completely disconnected, the cutting equipment is in butt joint with the connecting plate, the sliding rod rotates along the arc-shaped rod to drive the cutting equipment to cut the pipeline main body, and the flatness of the cutting face of the pipeline main body is guaranteed; and the subsequent treatment procedures of the pipeline main body are reduced.

The utility model relates to the technical field of injection molding, in particular to an injection mold structure capable of preventing residual rubber powder, which comprises a base, a top seat is fixed above the base through a guide post, a lifting seat is driven at the bottom of the top seat through a hydraulic cylinder, and a bottom mold and a top mold which correspond to each other are respectively arranged on the base and the lifting seat. A container is arranged on one side of the top of the lifting seat, an air pump is arranged outside the container, a hose is connected to the liquid outlet end of the air pump, a spray head is connected to the outer end of the hose, a swing plate is arranged at the front end of the lifting seat, and a mounting block used for mounting the spray head is movably arranged at the front end of the swing plate. And an air cylinder for pushing the mounting block to move transversely is arranged on one side of the top of the swing plate. According to the injection mold structure capable of preventing rubber powder from remaining, the problem of rubber powder remaining in the injection molding process can be effectively solved, the smoothness and consistency of the surface of a product are improved, subsequent treatment procedures are reduced, and the overall production efficiency and the product quality are improved.

The invention relates to a spinel oxide as well as a synthesis method and application thereof. The spinel oxide is synthesized from anhydrous nitric acid metal salt and hydrated nitric acid metal salt by taking fused salt as a reaction medium; the structural type of the material is AB2O4 type, and the microstructure of the material is a layered structure or a flower-like structure formed by stacking nanosheets; the synthesis method of the spinel oxide comprises the following steps: mixing anhydrous nitric acid metal salt and hydrated nitric acid metal salt according to a molar ratio of 1: (1-3) to obtain a mixed precursor material; a fused salt medium and the mixed precursor material are selected to be mixed according to the molar ratio of 1: (1-5), heating is conducted, and oxide of a spinel structure is obtained; the chemical uniformity and phase purity of the material are improved by accurately regulating and controlling the occupation condition of cation sites in the spinel structure, so that the structure is more stable, the chemical components are uniform, and excellent stability and reliability are shown in the subsequent application of the lithium-sulfur battery.

The utility model provides a kind of for special-shaped vacuum bag of special-shaped mould, the special-shaped mould includes the mould cavity of trapezoidal cross section;The special-shaped vacuum bag is set on the mould cavity and seals the mould cavity;The cross-sectional shape of the special-shaped vacuum bag includes the main body structure of convex letter shape, and the main body structure includes sequentially arranged from top to bottom center protruding portion, lateral recess portion and base portion.The special-shaped vacuum bag provided by the utility model can meet the requirement of air tightness and vacuum keeping when applied to special-shaped mould, ensure the forming quality of composite material, avoid bubble, void and other problems.

The invention provides a non-ferrous metal solid hazardous waste material and flux mixed block making device, and relates to the field of metal solid hazardous waste treatment. The production device of the metal solid hazardous waste material and flux mixing block comprises a multi-stage stirring mechanism and a primary stirring mechanism for mixing wet aggregate particles and total amount of reagent powder, and the primary stirring mechanism comprises a material inlet and outlet, a liquid outlet, a water spraying part for flushing residual reagent powder and a stirring unit for stirring. According to the blocky object prepared by the non-ferrous metal solid hazardous waste material and flux mixed block making device, the foamed metal solid hazardous waste material and flux mixed block is fixed in shape and convenient to transport, aggregate and a reagent are uniformly mixed, and later steps are reduced; particularly, gaps are formed on the surface after foaming treatment to increase the contact area, and the specific surface area is also increased after the shape is fixed to facilitate reaction with other materials, so that the problem of low waste residue feeding treatment efficiency in the prior art is solved.

The invention discloses a rolling cutter manufacturing process and device, and belongs to the technical field of rolling cutters. The technology for manufacturing the hobbing cutter comprises the steps that S1, a cutter blank and cutter teeth are subjected to three-dimensional model input to a rotary lifting table, and a corresponding action path is generated; s2, a rotary lifting table and a cladding gun are started, and the rotary lifting table runs according to the action path generated in the S2; s2, a cladding gun carries out cladding and material adding on the position, inside the cutter tooth die, of the surface of the cutter blank, and cutter teeth are generated on the surface of the cutter blank, and S3, the surfaces of the cutter teeth formed in the S2 are ground; the device for manufacturing the hobbing cutter has the advantages that the manufacturing difficulty of the hobbing cutter is reduced, and the manufacturing cost of the hobbing cutter is reduced.

The utility model relates to the technical field of welding, in particular to a resistance welding electrode assembly which comprises a first electrode and a second electrode, the first electrode comprises a first electrode body and a first electrode cap, and the second electrode comprises a second electrode body and a second electrode cap. The second electrode cap is provided with a second end face, and the diameter of the first end face is larger than that of the second end face. Through accurate heat distribution, the welding parameter adjusting frequency is reduced, long-time stable welding is achieved, the production takt time can be effectively shortened, the comprehensive manufacturing cost is reduced, and the requirement of industrial production for efficient and stable welding is met.

The invention discloses a portable hydrogen generation and storage integrated device. The device comprises a box body, a collecting tank, an electrolytic tank, a purifying tank, a box cover and a controller, wherein the collecting tank, the electrolytic tank and the purifying tank are arranged in the box body; the box cover is arranged at the top of the box body; a plurality of solar panels are embedded in the box cover at intervals, the lower surfaces of the solar panels are fixedly connected with a photocatalyst box, and the photocatalyst box is opposite to the top of the electrolytic cell; a positive electrode and a negative electrode are arranged on two opposite sides of the electrolytic bath; the electrolytic tank communicates with the purification tank through a first electromagnetic valve; a plurality of molecular sieves for adsorbing oxygen are fixedly connected to the inner side wall of the purification tank; a storage battery is fixedly connected to the inner side wall of the purification tank and is electrically connected with the solar panel; the purifying tank is communicated with the collecting tank through a second electromagnetic valve and a gas pipe. According to the invention, electrolysis and photocatalytic hydrogen production are carried out on water at the same time, the generation rate of hydrogen is accelerated, mixed oxygen is removed through the synergistic effect of the deoxidizer and the molecular sieve, and the purity of hydrogen is improved.

The application relates to the technical field of casting molds and forming processes, in particular to a low-pressure casting mold for a magnetic suspension compressor shell and a use method thereof. The mold comprises a bottom mold and three opening and closing molds matched with the bottom mold; the bottom mold and the three opening and closing molds are combined with a sand core to form a casting blank cavity of the magnetic suspension compressor shell, the blank cavity is in a horizontal layout and only one sprue is arranged at a cylindrical outer center position of the blank cavity; the mold further comprises a point cooling mechanism, the point cooling mechanism comprises a plurality of interval-arranged point cooling units, the point cooling units are arranged at each slow cooling point position close to the casting and away from the sprue and at a local thick position of the casting, each point cooling unit is respectively connected with cooling liquid, each cooling position is cooled through the cooling liquid, and the metal liquid realizes sequential solidification from top to bottom and from both ends to the center after entering the blank cavity. The sequential solidification is realized through the multi-point cooling, and the forming quality and process yield of the magnetic suspension compressor shell are improved.

The invention discloses a preparation method of high-quality anhydrous sodium acetate. Comprising the following steps: dropwise adding alkali liquor into acetic acid or an acetic acid solution in a stirring state to obtain a sodium acetate solution, and preparing anhydrous sodium acetate from the sodium acetate solution by using a spray dryer. The sodium acetate solution is directly subjected to spray drying by using the spray dryer, the solution does not need to be concentrated, crystallized and dried, the operation steps are reduced, the process is simple, the yield is high, and the cost is low. The water content of the prepared sodium acetate powder is less than 1.0%, the sodium acetate content is greater than or equal to 99.0%, and the yield is greater than or equal to 98.5%.

The utility model relates to the technical field of electronic chemicals, in particular to an electronic grade hydrochloric acid preparation device which comprises a hydrogen chloride synthesis unit, a first absorption unit, a desorption unit and a second absorption unit which are connected with one another, wherein the hydrogen chloride synthesis unit and the desorption unit are connected with the first absorption unit through pipelines, and the desorption unit is connected with the first absorption unit through at least two pipelines; and the desorption unit is connected with the second absorption unit through a pipeline. According to the preparation device of the electronic grade hydrochloric acid provided by the utility model, the hydrogen chloride synthesis unit, the first absorption unit and the desorption unit are matched to absorb generated diluted hydrochloric acid and form concentrated hydrochloric acid to return to the desorption unit again, so that full desorption of hydrochloric acid is realized, the yield is improved on the premise of ensuring the quality of the electronic grade hydrochloric acid, and the production cost is reduced. Meanwhile, subsequent treatment steps are reduced, the cost is reduced, and pollution is reduced.

The utility model relates to the technical field of dies, in particular to a high-precision inverted composite die which comprises a top plate and a bottom plate, the top plate is located above the bottom plate, a pouring opening is formed in the surface of the top plate, a base plate is fixedly connected to the upper surface of the bottom plate, and a lower die is fixedly connected to the upper surface of the base plate. An upper mold is fixedly connected to the lower surface of the top plate, a sliding rod is fixedly connected to the upper surface of the lower mold, one end of the sliding rod is inserted into the upper mold, an auxiliary device is arranged on the surface of the lower mold and comprises a rotating rod, the rotating rod is rotationally connected with the surface of the lower mold, and a swing rod is fixedly connected to one end of the rotating rod. According to the utility model, the upper die and the lower die can be conveniently assisted to be tightly attached, the conditions of gaps in the dies and joint lines of products are reduced, the quality of the products is improved, the subsequent processing procedures of the products are reduced, the economic loss of users is reduced, and the normal use of equipment is facilitated.

The invention relates to the technical field of automobile part electrophoresis, in particular to an automobile part electrophoretic coating electrophoresis tank which comprises a coating tank body with the top in an opening shape and a sealing cover connected and fixed to the top of the coating tank body through screws, and a feeding tank opening and a discharging tank opening are correspondingly formed in the two sides of the coating tank body. Worktables are fixed to the positions, located at the feeding notch and the discharging notch, of the two sides of the coating groove body correspondingly, a servo motor is fixed to the middle of the rear end face of the coating groove body, a coating assembly used for part assembly line type automatic coating is rotationally connected to the interior of the coating groove body, and the coating assembly is in transmission connection with the servo motor. The coating assembly comprises two fixing rings which are symmetrically distributed front and back, assembly line type automatic part coating operation can be achieved by designing the coating groove body and the coating assembly, and for parts such as batten type parts which cannot use hangers, the device has the high automatic electrophoresis machining efficiency for the parts such as the batten type parts; and the electrophoresis processing quality is improved.