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52results about How to "Suitable for high-volume processing" patented technology

Method for detecting heavy metals in plastics

The invention discloses a method for detecting heavy metals in plastics. The method comprises the following steps: S1. putting the plastics to be detected in an airtight container filled with an organic solvent, and carrying out ultrasonic oscillation in a water bath to dissolve the plastics, thus obtaining a plastic dissolution solution; S2. adding dilute nitric acid to the plastic dissolution solution, carrying out ultrasonic oscillation at room temperature, and carrying out filtration, washing and constant volume achievement to extract heavy metals in the plastic dissolution solution, thus obtaining a solution to be detected, containing the organic solvent; S3. qualitatively and quantitatively analyzing the heavy metals in the solution to be detected by adopting an inductively coupled plasma optical emission spectrometer (ICP-OES). The method has the beneficial effects that by utilizing the characteristic that the plastics have better solubility in the organic solvent, the plastics are dissolved by using the proper organic solvent, and then the heavy metals in the plastics are extracted to form the solution to be detected, containing the organic solvent; then the heavy metals dissolved in the organic solvent are qualitatively and quantitatively analyzed by adopting the ICP-OES. The method has the advantages of simple and fast operating process, mild reaction conditions, accuracy in detection, high recovery rate and good stability and is suitable for mass treatment.
Owner:深圳出入境检验检疫局玩具检测技术中心

Laser intersecting line cutting machine free of cam replacement

The invention discloses a laser intersecting line cutting machine free of cam replacement. The laser intersecting line cutting machine comprises a pipe clamping clamp, a gear transmission assembly, afirst cam, a second cam and a laser cutting assembly. The pipe clamping clamp is used for clamping a to-be-cut pipe. The gear transmission assembly is used for synchronously transmitting rotation of the to-be-cut pipe to the first cam and the second cam. The first cam is used for generating the track of a radial intersecting line. The second cam is used for generating the track of an axial intersecting line. The laser cutting assembly is used for cutting the intersecting lines according to the radial intersecting line track generated by the first cam or the axial intersecting line track generated by the second cam. According to the laser intersecting line cutting machine free of cam replacement, a cam mechanism is adopted, precision is high, operation is simple, cost is extremely low, maintenance is easy, simple numerical control cutting machines can be replaced, and the laser intersecting line cutting machine is suitable for large-batch machining; and furthermore, the cams do not needto be replaced, and cutting of the radial intersecting line and cutting of the axial intersecting line can be switched.
Owner:HEFEI WISDOM DRAGON MACHINERY DESIGN CO LTD

Ultrasonic transduction equipment for tapping processing and torsional tapping machine

The invention discloses ultrasonic transduction equipment for tapping processing and a torsional tapping machine. The ultrasonic transduction equipment comprises an upper load block which weakens thelongitudinal vibration energy transfer and has a heat-dissipating function and a lower load block which enhances transfer of the longitudinal vibration energy to a screw tap and generates torsional vibration transformation. A transduction component capable of achieving converting to generate longitudinal vibration mechanical energy is mounted between the upper load block and the lower load block.When the longitudinal vibration generated by the transduction component is diffused to the outer surface of the lower load block, the lower load block where a spiral groove is machined converts part of longitudinal vibration into torsional vibration, and vibration and torsion are coupled to from a torsional vibration effect which is diffused to the screw tap mounted on the bottom surface of the lower load block, so that the screw tap generates a torsional vibration action force for tapping processing of a workpiece. The ultrasonic transduction equipment provided by the invention can generate acompound vibration mode combining torsion and vibration to drive the screw tap to generate the torsional vibration effect for a tapping processing course well.
Owner:常晓旺 +2

Punch die indexing mechanism of numerical control punch press

A punch die indexing mechanism of a numerical control punch press comprises a rack. A rotating shaft is mounted on the rack through a bearing device, the rotating shaft is in rotating connection with an upper die frame, a pressing plate frame and a lower die frame from top to bottom in sequence, a punch die seat is fixedly mounted at the tail end of the lower die frame, a plurality of punch dies are mounted on the punch die seat, corresponding punching rods are arranged at the positions, directly facing the punch dies, of the upper die frame, and the punching rods are fixedly mounted on a fixing seat at the tail end of the upper die frame. A movable plate is fixedly connected on the bottom of the lower die frame, the piston rod of a longitudinal shifting oil cylinder is mounted in a mounting hole of the movable plate through bearings, and the shifting oil cylinder is fixedly connected on the rack. A locating plate is fixedly connected on the upper die frame, the locating plate is provided with an arc-shaped groove, a locating column is in sliding connection with the arc-shaped groove of the locating plate, and the locating column is fixedly connected on the rack. One end of a piston rod of a pressing plate oil cylinder is hinged to the pressing plate frame, and the cylinder body of the pressing plate oil cylinder is fixed on the upper die frame. The punch die indexing mechanism of the numerical control punch press can meet hole punching requirements of different hole diameters, and is simple in structure, convenient to operate, and stable in operation.
Owner:WUXI HUALIAN PRECISION MACHINERY

Ganoderma lucidum freshness preservation method with simple processes and good freshness preservation effects

The invention discloses a ganoderma lucidum freshness preservation method with simple processes and good freshness preservation effects. The ganoderma lucidum freshness preservation method with simpleprocesses and good freshness preservation effects comprises the steps of picking ganoderma lucidum, carrying out pretreatment, carrying out freezing treatment, carrying out vacuum packaging, carryingout ultrasound treatment, carrying out temperature-changing disinfection treatment and so on. The ganoderma lucidum freshness preservation method disclosed by the invention is capable of performing freshness preservation treatment on ganoderma lucidum; and the ganoderma lucidum subjected to the freshness preservation treatment can be stored for longer time. Moreover, after long-term storage, lossof various main nutrients of the ganoderma lucidum is very little and bacterium content of the ganoderma lucidum is very low; and thus, ganoderma lucidum freshness preservation effects are greatly improved. The ganoderma lucidum freshness preservation method disclosed by the invention is simple in processes, convenient and fast to operate, and suitable for large-scale processing. The ganoderma lucidum preserved by the method can be convenient for transportation, and therefore has broad development prospects.
Owner:杨明玥

Preparation and processing technology of disposable antistatic high clean nitrile gloves

ActiveCN103932432BWide range of industry applicationsImprove cleanlinessGlovesTime rangeAntistatic agent
The invention discloses a disposable anti-static high-cleanness nitrile glove manufacturing and processing technology, and relates to the technical field of disposable nitrile gloves. The manufacturing technology includes the steps that a dust-free formula in which accelerants are not used is adopted for manufacturing the nitrile gloves; the gloves are subjected to chlorine washing with chlorine water with the PPM smaller than 300 for 20 minutes; the gloves are rinsed with reverse osmosis pure water three times, each rinsing time lasts for 20 minutes, the gloves are rinsed with 80 DEG C high-temperature pure water one time with the time ranging from 45 minutes to 60 minutes, the gloves are rinsed with reverse osmosis pure water two times, each rinsing time lasts for 30 minutes, and F6-level filtration and drying is performed; the gloves are washed with EDI deionized water at the high temperature of 75 DEG C in an isolated mode two times, each washing time lasts for 30 minutes to 50 minutes, then, anti-static agent normal-temperature deionized water is added, and the gloves are washed one time for 30 minutes and then are automatically spin-dried; dust-free isolation type U15 level drying is performed, and the gloves are packaged in a 10 level dust-free clean room. The disposable anti-static high-cleanness nitrile glove manufacturing and processing technology is widely applied to various microelectronic industries, laboratories and staff protection of 10-level clean rooms and 100-level clean rooms.
Owner:河北泰能鸿森医疗科技有限公司

Detection method of heavy metals in plastics

The invention discloses a method for detecting heavy metals in plastics. The method comprises the following steps: S1. putting the plastics to be detected in an airtight container filled with an organic solvent, and carrying out ultrasonic oscillation in a water bath to dissolve the plastics, thus obtaining a plastic dissolution solution; S2. adding dilute nitric acid to the plastic dissolution solution, carrying out ultrasonic oscillation at room temperature, and carrying out filtration, washing and constant volume achievement to extract heavy metals in the plastic dissolution solution, thus obtaining a solution to be detected, containing the organic solvent; S3. qualitatively and quantitatively analyzing the heavy metals in the solution to be detected by adopting an inductively coupled plasma optical emission spectrometer (ICP-OES). The method has the beneficial effects that by utilizing the characteristic that the plastics have better solubility in the organic solvent, the plastics are dissolved by using the proper organic solvent, and then the heavy metals in the plastics are extracted to form the solution to be detected, containing the organic solvent; then the heavy metals dissolved in the organic solvent are qualitatively and quantitatively analyzed by adopting the ICP-OES. The method has the advantages of simple and fast operating process, mild reaction conditions, accuracy in detection, high recovery rate and good stability and is suitable for mass treatment.
Owner:深圳出入境检验检疫局玩具检测技术中心

Inversion-type glass curtain wall

ActiveCN102912906BEasy to installShorten the operation cycleWallsArchitectural engineeringWater tanks
The invention discloses an inversion-type glass curtain wall, comprising embedding pieces, an upright post hanging base, an upright post hanger, an inner pressing plate, an outer cover plate, glass, an upright post and a cross beam; the front ends of the embedding pieces are embedded in a wall body; a pair of side plates with an interval are arranged on the rear end faces of the embedding pieces; the upright post hanging base is arranged in the gap between the side plates; the upper end of the upright post hanger is arranged on the upright post hanging base, the lower end of the upright post hanger is arranged on the upright post; the end part of the glass is arranged at the inside of the upright post and pressed by the inner pressing plate; both sides of the upright post are provided with glass; the inner pressing plate crosses the upright post and fixed on the upright post; a cross beam is jointed with the upright post; the end part of the glass is provided with a water tank plug which is arranged in the groove in the cross beam; the inside end part of the cross beam is provided with a half inner pressing plate; the half inner pressing plate is pressed on the end part of the glass at the lower surface of the cross beam; a draining hole is formed in the side part of the groove; and the groove is communicated with the inner cavity of the cross beam through the draining hole. According to the invention, the glass can be mounted in a room; and the inversion-type glass curtain wall is good in waterproof performance, convenient to use and maintain, very suitable for a photovoltaic curtain wall, and low in cost.
Owner:SUZHOU GOLD MANTIS CURTAIN WALL CO LTD
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