31results about How to "Easy pick-up work" patented technology

The invention discloses a method and a device for realizing direct extrusion casting by utilizing closed mould pouring. The method comprises the following steps of: premoulding a convex mould and a concave mould to form a closed filling space; filling inertia protective gas into the filling space; introducing an alloy melt into a charging barrel by utilizing a transporting system; pressing the alloy melt into a mould cavity by a pressure head, thus filling is completed; and carrying out direct extrusion by adopting the way that the convex mould moves downward, and causing the alloy melt to be crystallized and solidified under pressure. The device for realizing the method has the main connection relationship that: the convex mould is fixedly connected with a movable cross beam of a casting machine; a convex mould limit support is fixedly connected with a convex mould base; a convex mould limit cushion block and a mould frame are in sliding fit and are connected with a hydraulic cylinder at a cushion block side; and the pressure head is arranged in the charging barrel in a movable fit manner and is connected with a filling / ejecting hydraulic cylinder of the casting machine. The method and the device disclosed by the invention fully utilize a direct extrusion mode and have the advantages that extrusion area is large, extrusion acting force transmission distance is short and uniform and pressure loss is less, and the alloy melt is transmitted by virtue of a closed pipeline, thus oxidation inspiration is reduced.

The invention discloses a ganoderma lucidum spore powder extraction device. The extraction device comprises a base, a lower connection plate and an upper connection plate. A support rod and a materialstorage box are installed on the top of the base. The material storage box is arranged on the right side of the support rod. The lower connection plate is installed on the top of the support rod. A lower housing body is installed on the right side of the lower connection plate. A material discharging opening is installed in the middle part of the base end of the lower housing body. The bottom ofthe material discharging opening is inserted in the material storage box. A material charging opening lower edge is installed on the right side of the lower housing body. An upper housing body is installed on the right side of the upper connection plate. According to the invention, a rotation shaft drives a roller to allow the roller to drive a brush hair column to rotate; the brush hair column isallowed to clean spore powder on surfaces of ganoderma lucidum heads; the fallen spore powder enter the material storage box through the material discharging opening; compared with the traditional extraction way, by use of the provided extraction device, the extraction work of the spore powder on the surfaces of the ganoderma lucidum heads is quite quick and convenient; working intensity of workers is effectively reduced; and spore powder extraction efficiency is improved.

The invention discloses iron sand extraction equipment with the capability on filtering impurities and a dampproof function, and relates to the technical field of iron sand extraction equipment. The iron sand extraction equipment with the capability on filtering the impurities and the dampproof function comprises a main body and a conveying plate, wherein fans are arranged on the front side of themain body; a first hydraulic rod is arranged on the left side of the main body; the fans are connected with the main body in an embedment way; a support rod is fixed to the left side of the upper part of the main body; a hopper is arranged above the support rod; the support rod and the main body are welded; and a stirring barrel is arranged under the hopper. According to the iron sand extractionequipment with the capability on filtering the impurities and the dampproof function, the fans are arranged and located on the front side of the main body, the models of the adopted fans are 4 to 72,and the fans can help the main body to exhaust air, so that the occurrence of the phenomenon that the normal use of the equipment is influenced since the main body is affected with damp due to damp accumulation in the main body is prevented; the two groups of fans are arranged, so that the discharge of the damp in the main body can be accelerated; and through arranging the stirring barrel, an ironsand mixture can be stirred.

A letter box device comprises a letter box, wherein an input port is formed in the right side end face of the letter box, a rainproof plate is arranged on the right side end face of the letter box above the input port, a cavity with an upward opening and a push-in groove located below the cavity and provided with a rightward opening are formed in the letter box, a communication opening is formed between the cavity and the push-in groove, a push-in part is smoothly installed in the push-in groove and is provided with a letter taking groove with an upward opening, a bearing plate extending rightwards is arranged at the right end of the bottom wall of the push-in groove, first sliding grooves with upward openings are formed in the bottom wall of the push-in groove and the bearing plate, first sliding blocks are smoothly installed in the first sliding grooves, screws are installed in the first sliding blocks in a matched mode, the right ends of the screws are installed in the right end walls of the first sliding grooves in a steerable mode, the left ends of the screws are connected with motors fixedly installed in the left end walls of the first sliding grooves, slide guiding grooves extending in a left-right mode are formed in the front end wall and the rear end wall of the communication opening, and sliding plates extending in a front-rear mode are smoothly installed in the slide guiding grooves.

The invention discloses a tadpole seedling collecting device. The tadpole seedling collecting device comprises a collecting box, wherein a notch is formed in the outer wall of one side of the collecting box; first wave plates are fixed to the two ends of one side of the inner wall of the bottom of the collecting box; second wave plates are fixed to the two ends of one side of the inner wall of thebottom of the collecting box; the second wave plates are positioned in the two first wave plates; fixing rods are fixed to the outer walls of one sides of the two second wave plates; a rotating ringis rotationally connected between the fixing rods; a plurality of fan blades are fixed to the outer wall of the rotating ring; limiting plates are fixed to the two ends of one side, close to the firstwave plates, of the collecting box; and a feeding net plate is fixed between the limiting plates. According to the tadpole seedling collecting device, a first glass plate and the second wave plates can prevent large-size organisms in water from entering the collecting box, so that tadpoles are prevented from being eaten, the fan blades rotating along with water flow can prevent aquatic plants andother sundries from entering the collecting box, meanwhile, a retention groove is formed, so that air circulation is fast, the tadpoles are attracted to be gathered, and subsequent collection is facilitated.

The invention relates to the technical field of instruments for recording aviation flying data and voice information and discloses an aviation onboard voice recording device. The aviation onboard voice recording device comprises a shell assembly and a voice recording assembly. The voice recording assembly is arranged in the shell assembly, and a first electric connector which is electrically connected with a movable storage card box is fixedly arranged in the voice recording assembly. The shell assembly is provided with an insertion opening of the movable storage card box, and the shell assembly is further provided with a signal source connector which is connected with a signal source. The first electric connector of the aviation onboard voice record device provided by the invention is arranged on the voice recording assembly, and the movable storage card box is inserted by virtue of the insertion opening of the movable storage card box and connected with the voice recording assembly, so that the function of recording the voice information can be recorded; the movable storage card box can be detached and put on a corresponding reading device while reading the voice information, so that the aviation voice recording information is convenient to extract.

A novel mailbox device comprises a mailbox, the right end face of the mailbox is provided with a drop opening, a rainproof plate is arranged on the right end face of the mailbox above the drop opening, a chamber with an upward opening and a push channel with a rightward opening that is positioned below the chamber are arranged in the mailbox, a communicating port is arranged between the chamber and the push channel, a pusher is mounted slidably on in the push channel, the pusher is provided with a pick channel having an upward opening, a bearing plate extended to the right is arranged at the right end of the bottom wall of the push channel, a slide channel having an upward opening is arranged in the bottom wall of the push channel and in the bearing plate, a first slider is mounted slidably in the first slide channel, a screw is fitly mounted in the first slider, the right end of the screw is mounted in the right end wall of the first slide channel in steerable manner, the left end of the screw is connected to the motor in the left end wall of the first slide channel, slide guide channels extended to left and right are arranged in the front and rear end walls of the communicating port, and a slide plate extended to front and rear is mounted slidably in each slide guide channel.

The invention discloses silver-containing wastewater silver extracting equipment and relates to the technical field of wastewater processing equipment. The silver-containing wastewater silver extracting equipment comprises a case. A stirring shaft is rotationally connected with the bottom of the inner wall of the case through a bearing seat. The top end of the stirring shaft penetrates through thecase and extends to the top of the case. The end, extending to the top of the case, of the stirring shaft is provided with a transmission worm wheel. A rotary rod is rotationally connected with the part, located on one side of the stirring shaft, of the top of the case through a supporting plate. One end of the rotary rod penetrates through the supporting plate and extends to one side of the supporting plate. Through the silver-containing wastewater silver extracting equipment, the stirring effect is greatly improved, the stirring efficiency is improved, people do not need spend much time tostir, the labor intensity of people is relieved, the working efficiency of people is improved, a complete stirring reaction of a displacer and silver-containing wastewater is conducted rapidly and efficiently, and thus the silver extraction operation by people is greatly facilitated.

The invention discloses a method for extracting R-nicotine from tobacco waste, which specifically includes the following steps: S1, pretreatment of tobacco waste, S2, nicotine dissolution treatment, S3, alkaline racemization treatment, S4, Chiral resolution of nicotine, S5, extraction and separation, S6, purification and refining of R-nicotine, the present invention relates to the technical field of extraction of tobacco chemical components. The method for extracting R-nicotine from tobacco waste realizes improving the racemization rate of S-nicotine by selecting different racemic agents, selecting a new resolution agent to improve the conversion rate of the target product, and using a ratio extractant to increase the Product purity and energy saving and pollution reduction optimization test, compared the advantages and disadvantages of the preparation route for pilot production, improved the extraction yield and the purity of R-nicotine, thus replacing the traditional crystallization enzymatic method to extract R-nicotine, which is very convenient People's R-nicotine extraction work.

The invention discloses a gene free DNA extraction system. According to the gene free DNA extraction system, collecting of 10ml of blood is carried out by using a streck tube, and storing and transporting are performed at 10-30 DEG C; a sample cracking system is used for sequentially adding the following components into a 15ml test tube: protease, a plasma sample and a sample cracking solution; atest tube rack is included, wherein a supporting rod is arranged at the bottom of the test tube rack; a turbine is fixedly connected to the bottom of the supporting rod; the turbine is meshed betweentwo worms, the two worms are of the same structure, and each worm is independently driven by a motor; a worm part is arranged in the middle section of the supporting rod, gears are connected to the outer side of the worm part in a meshed mode, and each gear is fixedly connected with a supporting arm; and the supporting arms are connected with the test tube rack through hinges. The extraction system innovatively provides a nucleic acid extraction system, which can realize oscillation and short-range transportation, is stable and reasonable in control, and greatly facilitates the extraction workof nucleic acid.

The invention discloses a punching die with an ejector for a protection valve support based on a smooth lifting principle. The punching die with the ejector for the protection valve support based on the smooth lifting principle structurally comprises a die body, a pressing shaft assembling port, an air pipe connector, a bottom cross rod and a die splitting handle, wherein the die splitting handleis arranged at the upper end of the left side of the die body through an embedding way, and the pressing shaft assembling port is formed in the top part of the die body, so that an integrated structure I formed. According to the punching die with the ejector for the protection valve support based on the smooth lifting principle provided by the invention, after the die splitting handle lifts a punching top plate, air pressure is guided through a distribution pipe, and at the moment, a disassembling mechanism drives a middle die and an upper die to carry out die splitting, so that a workpiece can be conveniently picked in the follow-up process; and a drive shaft piece drives according to air of the distribution pipe so as to enable a jacking mechanism to rotate, and the workpiece is supported and jacked, so that a side jacking effect is achieved, the workpiece is prevented from being directly impacted and damaged and is prevented from ejecting outside the die, and the damage in a large range is prevented.

The invention provides a multi-functional extraction equipment for cosmetics production, which includes a cleaning box, a pick-and-place door, wing bolts, a pick-and-place box with magnet blocks, support legs, a drain pipe with valves, a driving motor, a support plate, conventional bearings, Squeeze and mash cylinder, fixed cover, mash plate, place cover, remove bolts, bottom-sealing mesh cylinder at both ends, mixing and cleaning brush, self-rotating brush, slidable and adjustable cleaning nozzle, foldable impurity cleaning barrel structure after mashing, buffer The structure of the non-pollution storage barrel and the structure of the juice sampling test tube. The arrangement of cleaning bristles and brush tubes in the present invention is conducive to thoroughly cleaning and cleaning the stems and leaves of fresh plants, avoiding the mixing of impurities and affecting the extraction work, and at the same time increasing the cleaning function of various plants before extraction; the fixed rod, the rotation tube, and the rotation The setting of the shaft and the split ring is conducive to stirring and mixing the placed fresh product plant stems and leaves, ensuring more thorough cleaning, and increasing the function of mixing various plants before extraction.

The invention discloses a tissue stem cell centrifugal extractor, and relates to the technical field of cell centrifugal extraction. The tissue stem cell centrifugal extractor comprises a workbench, a first rotating mechanism, a second rotating mechanism, a lifting mechanism, a centrifugal box, a stirring mechanism and an extraction mechanism, the first rotating mechanism is fixedly arranged on the workbench, and the output end of the first rotating mechanism is arranged on the inner side of the workbench; a second rotating mechanism is fixedly arranged on the workbench, the second rotating mechanism is fixedly arranged on one side of the first rotating mechanism, the output end of the second rotating mechanism is arranged on the inner side of the workbench, the lifting mechanism is fixedly arranged on the first rotating mechanism, the centrifugal box is installed on the second rotating mechanism, and the stirring mechanism is fixedly arranged on the workbench. The stirring mechanism is fixedly arranged on one side of the centrifugal box, the extracting mechanism is fixedly arranged at the output end of the lifting mechanism, and through cooperation of all the mechanisms, tissue stem cells are fully centrifuged and transferred.