125results about How to "Suitable for small batch production" patented technology

The invention discloses an ultra-fine powder processing device which comprises an air flow crushing mechanism, a turbine grading mechanism, a screw feeder, an automatic sack packer, an automatic controller, a bag type dust collector, an integrated platform, an induced draft fan and a gas path controller, wherein the air flow crushing mechanism connected with the turbine grading mechanism is located below the turbine grading mechanism, the feed port of the screw feeder is connected with a feed taper pipe in the air flow crushing mechanism, the bag type dust collector is connected with the turbine grading mechanism through a pipeline, the automatic sack packer is located below the bag type dust collector and the induced draft fan is connected with the bag type dust collector. The ultra-fine powder processing device can process materials in a fully-closed condition without producing dust. The ultra-fine powder processing device uses a PLC control system to intelligentize the production process and adjusts the parameters of crushing, grading and other devices according to the factory production requirements so as to meet the crushing requirements of different raw materials. The processing device is built on a stand, and the position of the processing device can be adjusted according to the factory production requirement.

The invention relates to a preparation method for an anti-settling fuel cell catalyst slurry. The preparation method comprises the following steps: (1) weighing a perfluorosulfonic acid solution, isopropanol and water for mixing, then carrying out sealing, and carrying out magnetic stirring so as to form a dispersion solution; (2) mixing a catalyst with the dispersion solution, and carrying out ultrasonic dispersion so as to obtain a primarily dispersed catalyst slurry; (3) continuously carrying out high-shear dispersion on the primarily dispersed catalyst slurry by using a stator and rotor stirrer so as to obtain a secondarily dispersed catalyst slurry; and (4) carrying out homogeneous dispersion on the secondarily dispersed catalyst slurry under a vacuum condition by using a homogenizerso as to obtain a stable catalyst slurry. Compared with the prior art, the fuel cell catalyst slurry prepared by using the preparation method provided by the invention is high in stability and betterin consistency; different types of catalyst slurry can be prepared according to different fuel cell membrane electrode preparation processes; and the fuel cell catalyst slurry provided by the invention is applicable to being used in domestic fuel cell stacks.

The invention relates to an antibiosis fabric making method, in particular to an antibiosis fabric making method which adopts specialized nanometer material as additive. The invention adopts the following procedures that: (1) the addition of nanometer particles: nano-sized titanium dioxide particles and argentine particles are added to dye or bleacher and fully mixed; (2) the fabric is dyed and bleached by the fully mixed dye or bleacher under the high-temperature condition. The fabric achieved by the invention has the functions of long lasting antibiosis, deodorization, ultraviolet resistance, etc. The invention is suitable for clothes, undergarments, hoses, towels, bath towels, facemasks, napkins, knitting, home textile, etc.

Process for heating titanium-oblique rolling punch rod blank adopts horizontal step-by-step medium-frequency induction heating finance as tool. The heating furnace consists of automatic skip mechanism, core-watch temperature differential monitoring system and fast-extraction discharge mechanism. The process is carried out by hoisting titanium rod onto bedding rack by overhead traveling crane, arranging on movable bedding rack paralleled, lifting titanium-rod onto charge rack on slop by production beat, entering into horizontal step-by-step medium-frequency induction heating furnace successively, moving titanium-rod forwardly by step-by-step mode, raising temperature while homogeneous heating, discharging, entering into blow tank of oblique-rolling punch, nipping and punching to raw pipe. It's simple, safe and cheap and has no environmental pollution.

The invention discloses a production method of an alloy plate, and belongs to the technical field of alloy plates. The production method comprises the following steps of (1) centrifugally casting an alloy tube blank; (2) mechanically processing the inner and outer walls of a hollow blank; (3) equally cutting the hollow blank to be arc plates along a longitudinal axis direction; (4) heating the preheated arc plates to 1180-1230 DEG C, and flattening the arc plates by using a rolling mill or a forging machine; and (5) hot rolling the flattened arc plates to be the alloy plate. According to the production method of the alloy plate, the alloy plate is produced by using a centrifugal casting technology; the metal use ratio is high; the production cost is low; the operation is simple; the equipment investment is small; the production efficiency is high; the performance after rolling is relatively high; use requirements can be met; and the production method is applicable to small scale production of the alloy plate.

The invention relates to a carbon fiber winding paving variable cross-section adhesive transmission shaft and a combined type mould thereof. The carbon fiber transmission shaft comprises a carbon fiber tube 1, an integrated joint 2 and the combined type mould. The two ends of the carbon fiber tube 1 are bonded on the integrated joint 2, a three-ball pin column at the other end of the integrated joint 2 is matched with a needle bearing 3 and a ball ring 4 to form constant-speed universal connection, and the needle bearing is limited by a clamp spring. A clamp 5 is in a cylindrical shape, and the mold and machining equipment are connected by the clamp 5. The combined type mould comprises a mould body 6 with the two ends being hexagon-like cross sections (including a transition section) and amould body 7 with the middle being circular cross section, and the combined type mould is positioned and matched by a groove and a boss on the mould and then connected with the cylindrical clamp 5. Acenter hole of a square block 8 is used for assisting demoulding. According to the carbon fiber winding paving variable cross-section adhesive transmission shaft and the combined type mould thereof,the design is reasonable, assembly and disassembly of the mould are convenient, the paving scheme is flexible, the problem that demoulding is difficult is solved, the material performance is sufficiently utilized, the transmission shaft and the combined type mould can adapt to different machining equipment and working conditions, the feasibility and operability are high, the weight is lowered by about 53% compared with steel, the inertia is reduced, and energy is saved.

The invention relates to surface treatment of chain parts, and particularly relates to a corrosion resistant surface treatment method of chain parts. A Fe-Al intermetallic compound corrosion resistant coating is obtained by adopting liquid state aluminum impregnation and following diffusion treatment for parts of a chain, such as a chain plate, a pin roll, a sleeve and a roller. The process flow comprises the following steps: pretreatment, aluminum impregnation, diffusion treatment and following quenching and tempering, wherein aluminum impregnation is performed in an aluminum liquid for 1-5 minutes at 720-750 DEG C; diffusion annealing is performed for 30 minutes to 2 hours at 850-1000 DEG C in a protective atmosphere; the intermetallic compound corrosion resistant coatings with different thicknesses are obtained by adjusting the temperature and time of diffusion treatment; after diffusion treatment, oil quenching is performed, and then tempering is performed for 2 hours at an intermediate temperature of 400-450 DEG C or a low temperature of 180-220 DEG C. The method provided by the invention has the characteristics of simple and convenient process, low cost, strong binding force of the coating, adaptability to batch production of small pieces and the like, can be used for producing chains in a corrosive environment, the treated chain can replace common chains or stainless steel chains, the performance and service life can be improved, and the alloy resources can be saved.

The invention belongs to aerospace design and manufacturing technologies, and particularly discloses an aluminum-alloy tank melon petal punching device and punching method. The punching device comprises an upper pressing block, a molding female die, an insulating padding plate and a lower pressing block, wherein the upper pressing block, the molding female die, the insulating padding plate and the lower pressing block are coaxially installed, the molding female die is arranged on the upper portion of the insulating padding plate which is provided with an installing groove, an inductor coil is arranged in the installing groove, the upper pressing block is arranged on the molding female die, and the lower pressing block is arranged on the lower portion of the insulating padding plate. The punching method comprises the steps that plates are subjected to deep-drawing deformation, punching machining is conducted by means of a magnetic pulse technology, the restrictive use process of secondary solid solution treatment is eliminated, the risk that parts are prone to overburning due to multiple times of solid solution treatment is avoided, and meanwhile tensile strength and yield strength of the parts are improved.

The invention discloses a chip plastic package structure manufacturing method and relates to the technical field of semiconductors. The method includes the steps that a chip and height limiting blocks are attached to the surface of a PCB; the chip is arranged on the PCB in a bonding mode through a lead, the space formed by the chip, the height limiting blocks and the PCB is filled with plastic package resin, a plastic package structure is formed through press fit of a plastic package plate, and curing is performed; a plastic package plate is removed; the plastic package structure is cut to form independent plastic package devices. Due to the use of the height limiting blocks, a high-precision packaging mold is not needed, and the low-cost advantage is achieved.

The invention discloses loquat scented tea and a preparation method thereof. The loquat scented tea prepared by the method can be directly eaten; impurities, such as fluff, are reliably removed; the tea has more healthy functions compared with single loquat; the preparation method also has the advantages of being simple and practical and being low in cost, thereby being very favorable for popularizing the loquat scented tea. Particularly, the preparation method of the loquat scented tea comprises the following steps: (1) drying raw materials in the sun; (2) drying the raw materials by distillation in a blast furnace and cooling; (3) crushing the cooled materials into powder; (4) vibrating and screening the powder by a vibration screen to remove the impurities, namely the fluff and flower bud seeds, to obtain effective raw materials; (5) adding dried and crushed chrysanthemums and dried and crushed cordyceps flowers into the effective raw materials to obtain a mixture; (6) rolling and frying the mixture, cooling the mixture, improving the aroma while removing the foreign flavors of the mixture, and cooling the tea again after the tea gets darker, thereby obtaining a fermentation raw material; and (7) fermenting the fermentation raw material.

The invention relates to a novel technique for high-frequency heat treatment of a lathe tool. The technique comprises the following steps: (1) the lathe tool is placed into a chamber furnace for preheating, heat preservation is performed for 30 minutes at 580 DEG C in the first stage, and heat preservation is performed for 1-1.5 hours at 860 DEG C at the second stage; (2) a tool bit part of the lathe tool is heated in high-frequency induction heating equipment, the heating temperature is about 1280 DEG C-1300DEG C, after the temperature is maintained for 60 seconds, the heating is over; (3) the lathe tool is taken out of an induction coil of the high-frequency induction heating equipment, oil-quenched, cooled to 250 DEG C and then is taken out of oil, and air-cooled; and (4) tempering is performed twice at the temperature ranging from 550 DEG C to 560 DEG C, the heat preservation time is 2 hours for each time, and after quenching, the external hardness of the tool bit is 64-66 HRC, and the internal hardness is 50-55 HRC. The novel technique for high-frequency heat treatment of the lathe tool has convenient steps, the quality of the lathe tool after the heat treatment meets requirements, and the technique has the advantages of short period, low cost and the like.

The invention discloses a making method of a case having a pattern. The making method comprises the following steps: coating PC lightening oil on a PC film, printing the pattern onto the PC film, carrying out primary heating, compounding the PC film to an ABS sheet, carrying out secondary heating, carrying out plastic uptake, and molding to form the case having the pattern. The method is simple, and the making cost of the case is low.

The invention relates to a framework type driving cab of a fire fighting truck, which consists of a truck body framework and an outer cover. The framework type driving cab is characterized in that the framework of the truck body comprises six parts, namely a floor framework, a left-side enclosure framework, a right-side enclosure framework, a top cover framework, a front enclosure framework and a rear enclosure framework, wherein the six parts are formed by welding metal sections such as square steel tubes, angle steel and channel steel; and the outer cover arranged outside the framework type driving cab is fixedly connected with the framework by welding or bonding. The framework type driving cab has the advantages of favorable integral rigidity, reliable performance, low development cost, short production period and suitability for small-batch production; the requirement of a traditional driving cab on the flexion torsion rigidity can be met; and the requirement of ECE (Economic Commission for Europe) R29 safety legislation on the driving cab can be met.

The invention provides a cleaning agent for a silicon wafer of a solar cell and a using method thereof, belonging to the technical field of solar cell production. The cleaning agent for the silicon wafer of the solar cell comprises the following components: sodium hypochlorous, sodium tripolyphosphate, sodium phosphate and water at a mol ratio of (5-15):(5-10):(1-5):(10-100). The cleaning agent provided by the invention can effectively remove the surface oil generated by wire cutting of monocrystalline silicon, metal impurities inside the silicon wafer, and dust and other granules attaching to the surfaces of the silicon wafer, improve the utilization rate of cell wafer assembly to more than 97%, improve the conversion efficiency of cell wafer to more than 18.2%, and improve the open-circuit voltage of the cell wafer to more than 632 mv.

The invention discloses a cylindrical real silk steaming box which comprises an outer cylindrical barrel and an inner cylindrical barrel arranged in the outer barrel. An interlayer is formed between the outer barrel and the inner barrel, top covers capable of sealing are arranged at the top of the outer barrel and the top of the inner barrel, and the inner barrel is provided with a silk hanging rack for supporting a real silk fabric. The cylindrical real silk steaming box is characterized in that an outer side temperature and humidity sensor is arranged at the top of the inner wall of the outer barrel, an inner side temperature and humidity sensor is arranged at the top of the inner wall of the inner barrel, an interlayer air inlet pipe is arranged at the central position of the outer barrel, an interlayer exhausting pipe is arranged at the bottom, the inner barrel is provided with an inner barrel air inlet pipe, a partition plate is arranged between the inner barrel air inlet pipe and the real silk fabric, a plurality of holes are formed in the partition plate, and an inner barrel exhausting pipe is arranged at the bottom of the inner barrel. The cylindrical real silk steaming box is simple in structure, low in cost, convenient to adjust and control and suitable for small-batch production.

The invention relates to a method for manufacturing an embossed pattern on a metal panel, which comprises the following steps: 1, providing a metal panel base material; 2, preparing an embossed pattern blank on the metal panel; 3, fixing the embossed pattern blank on the panel base material; 4, plastering the connecting place of the edge of the embossed pattern blank body on the panel and a panel base plate, wherein the embossed pattern blank body and the panel base material form the panel with a stereo surface; and 5, making a pattern on the stereo surface of the panel by a water paste process so as to form the embossed pattern on the panel. A mould is used for pressing a sheet so as to form the embossed pattern blank; the embossed pattern blank and the panel base material form the panel with the stereo surface; and the water paste process is adopted to make the pattern on the stereo surface of the panel so as to form the embossed pattern on the panel. The manufacturing process is simple; the connection between the embossed pattern and the panel is firm; and the manufacturing method is suitable for both small scale production and large scale production and can effectively reduce production cost to a certain degree.

The invention discloses full-automatic intelligent plastic plate surface drilling equipment which comprises a box body and a clamping device. The bottom of the box body is in sliding connection with afirst lead screw. The left end of the first lead screw and an output shaft of a first motor fixedly mounted at the bottom of the box body are fixedly connected through a coupling. A base is arrangedon the surface of the first lead screw in a sleeving manner. A second motor is fixedly mounted at the front end in the base. The invention relates to the technical field of plastic processing. By means of the full-automatic intelligent plastic plate surface drilling equipment, the first lead screw is driven by the first motor to rotate, the base can move left and right along the first lead screw,a second lead screw is driven by the second motor to rotate, and the clamping device can move front and back along the second lead screw on the basis of the base; the structure is simple, and operation is convenient; the production cost is low; the full-automatic intelligent plastic plate surface drilling equipment is suitable for small-batch production; and the position of the clamping device iscontrolled through the first motor and the second motor, and the automation degree and the processing precision are high.

The invention provides a processing method of a 35W (Watt) power amplification module in the field of satellite communications. A microwave circuit board and an amplifier module are comprised. The processing method comprises the following steps of S1, sintering a microwave circuit board on a soldering lug; S2, eutecticizing a power amplifier chip U1 to a corresponding molybdenum-copper carrier toform a power amplifier eutectic subassembly G1; S3, sintering the power amplifier eutectic subassembly G1 and a capacitor onto the microwave circuit board; S4, cleaning the sintered microwave circuitboard by use of a gas phase cleaning machine; S5, performing gold wire bonding on the power amplifier chip U1 and the capacitor; and S6, debugging, testing, capping and marking the assembled subassembly. According to the processing method of the 35W power amplification module, the 35W power amplification module in the field of satellite communications is manufactured by virtue of the microelectronic package processing technology, and the 35W power amplifying module in the field of satellite communications has the characteristics of small size, flexible installation and high reliability and issuitable for small batch production.

The invention discloses an electro-welding additive manufacturing method of nuclear power station SAP refrigerator end covers. The method herein comprises: I, conveying raw metal wires to the surfaceof a base via a conveying mechanism and an electro-welding head, allowing the raw metal wires and the base to generate electric arcs under overlaying protection of an aid so that part of the overlaying aid is melted into a molten slag bath; II, allowing current to pass through the raw metal wires and the molten slag bath to generate resistance heat and slag heat, melting the raw metal wires underthe thermal composite high-energy heat action of arc heat, the resistance heat and the slag heat so that a local bath is formed in the surface of the base; III, conveying the raw metal wires and the aid continuously, controlling the welding head to move by a computer according to hierarchical slicing data so that layerwise overlaying of the bath is performed on the base to obtain a finished product. The method herein has high efficiency and good stability, and has no need for remanufacturing of molds; a manufactured end cover has good tissue characteristics and excellent mechanical properties.

The invention provides a pipe barrel sizing device. The pipe barrel sizing device comprises a yarn inlet pipe, a sizing agent pipe and a yarn outlet pipe; the two ends of the sizing agent pipe are connected with the yarn inlet pipe and the yarn outlet pipe respectively through leather pipes made of elastic materials, each leather pipe is sleeved with an elastic tightening ring, and the sizing agent pipe is communicated with a horizontal feeding pipe; yarns sequentially penetrate through the yarn inlet pipe, the sizing agent pipe and the yarn outlet pipe and are elastically attached to the inner sides of the leather pipes. The main work part of the device is the pipe barrel structure, and a sizing process is completed when the yarns penetrate through the sizing agent pipe full of sizing agents. According to the device, the leather pipes and the tightening ring are adopted, the sizing agents are kept in the sizing agent pipe between the two leather pipes, the size is smaller, and cost is lower; few sizing agents are used in the sizing agent pipe in the sizing process of the device, and the device is very suitable for small-batch production.

The invention discloses a bending welding forming method for a rectangular steel pipe. Before the rectangular steel pipe is bent, a T-shaped cutting track is drawn according to a target bending angle,a corresponding groove is cut in the side face of the rectangular steel pipe with a laser or plasma cutting method, then the corresponding groove of the steel pipe is bent, the bent T-shaped groove is welded, and then the rectangular steel pipe can be bent. The method has the beneficial effects that rapid forming is achieved, and dies are not needed, is suitable for small-scale production and manufacturing, and can meet the requirements of different bending angles within a certain range.

The invention provides a water-cooled heat sink. The water-cooled heat sink comprises a water-cooling housing, splints and water-cooling pipes, wherein the water-cooling housing is used for accommodating an energy source, and an outer groove is formed in the outer side of at least one side wall of the water-cooling housing; an inner groove is formed in the inner side of each of the splints, and the outer grooves of the water-cooling housing and the inner grooves of the splints are in complimentary shapes and are matched to form a water-cooling pipe channel; a water-cooling joint is arranged at each of the two ends of each water-cooling pipe, and the water-cooling pipes are placed in the water-cooling pipe channel; heat conducting adhesive layers are respectively arranged in the outer grooves of the water-cooling housing and the inner grooves of the splints, the water-cooling pipes are connected to the interior of the water-cooling pipe channel through the heat conducting adhesive layers, and gaps between the water-cooling pipe channel and the water cooling pipes are filled with the heat conducting adhesive layers. According to the water-cooled heat sink, the water-cooled heat sink has favorable reliability and maintainability.

The invention discloses a side frame of a railway freight car bogie. The side frame of the railway freight car bogie comprises a top plate, a web plate and a bottom plate. Grooves are symmetrically formed in the two sides of the web plate. Supporting plates are arranged in the grooves. A spring hole is formed in the center of the web plate. Triangular holes are further symmetrically formed in theweb plate. The top plate, the web plate, the supporting plates are connected with the bottom plate in a welded mode. The side frame of the railway freight car bogie is formed by welding of the top plate, the web plate, the supporting plates, a spring bearing platform, a vertical column and the like, molds are not required to be input for the side frame of a welded structure, the production cycle is short, and small batch production is achieved.

The invention belongs to the field of microorganisms, and relates to enterococcus monteilii, in particular to enterococcus monteilii and application thereof in fermentation of Chinese herbal medicines. The preservation number of the strain is CCTCC NO: M 20211504, the classification name is Enterococcus mudtii MY-YD-1, the preservation unit is China Center for Type Culture Collection, the preservation time is November 29, 2021, and the preservation address is Wuhan University, Wuhan, China. When the strain is used for fermenting the traditional Chinese herbal medicine astragalus membranaceus, the release amount of the effective components astragalus polysaccharide, flavonoid and saponin compounds in the astragalus membranaceus can be greatly increased. The method for fermenting Chinese herbal medicines by virtue of strains is an effective method for improving active ingredients. The enterococcus monteilii MY-YD-1 strain disclosed by the invention is good in astragalus mongholicus fermentation performance and high in yield of active ingredients, and can be used for small-scale and large-scale industrial production in the future, so that very strong economic benefits are brought.