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55results about How to "Avoid flying situations" patented technology

Aspergillus niger granulating and leaching method of copper tailings

InactiveCN105039692APromote leachingExacerbated mechanical crushingProcess efficiency improvementRare-earth elementMechanical fragmentation
The invention relates to a microbial ore leaching method for simultaneously granulating and leaching copper tailings by using Aspergillus niger. Aspergillus niger and the copper tailings are co-cultured to make Aspergillus niger hyphae wrap the copper tailings in order to granulate and leach copper in the copper tailings. The method for granulating and leaching ores by using Aspergillus niger provides leaching microenvironment, and a small closed space is formed in a copper tailing-Aspergillus niger spherical particle, so hyphae in the particle have full contact with the copper tailings, and the mechanical fragmentation of the copper tailings is enhanced, thereby copper leaching is accelerated. The method disclosed in the invention solves difficulty solid-liquid separation of traditional stirring leaching and the problems of obstruction of contact of a leaching agent with the ores by a binder, large acid consumption, large energy and material consumption and large environment harms of traditional granulation leaching, reduces the granulation cost, shortens the technologic cycle, and is also suitable for granulating and leaching of uranium, gold, cobalt, nickel, lead, zinc and rare earth elements.
Owner:NANHUA UNIV

Sand cleaning treatment system for castings

The invention discloses a sand removal treatment system for castings. The sand removal treatment system comprises a sand removal device and a water circulation system. According to the invention, thesand cleaning device is adopted to place a workpiece in the sand cleaning chamber for sand cleaning; therefore, the condition that sand dust flies in the sand cleaning process is avoided; sand and dust falling from the workpiece directly enter the sand collecting box along with water flow to be stored; sand and dust can be prevented from adhering to the surface of a workpiece, the sand removing effect of the workpiece is improved, the sand collecting box is discharged through the sand removing water discharging pipe and recycled to the high-pressure water gun for sand removing after being treated through the water circulation system; therefore, a complete sand removing system is formed, the sand removing effect and efficiency are improved, and cyclic utilization of water and sand is achieved.
Owner:HUZHOU NANFENG MACHINERY MFG

Multifunctional sweeping device for households

The invention relates to the technical field of machinery cleaning equipment, in particular to a multifunctional sweeping device for households. The multifunctional sweeping device comprises a box shell, a sweeping brush, a roller mop, a nozzle and a dust collection fan, a power source box is fixedly installed in the box shell, the sweeping brush is fixedly installed on the outer end surface of arotation shaft of the brush, a water pump is fixedly installed on the bottom end surface of the box shell, a sponge plate is fixedly installed in a sponge base, a dust stopping board is fixedly installed on the left side surface of the box shell, a dust collection device is fixedly arranged on the upper end surface of the power source box and comprises a dust collection filtering plug, the dust collection fan, a dust collection box and a threaded lid, through the sponge plate which is arranged behind the roller mop, the ground can be subjected to secondary drying and cleaning through the sponge plate after the roller mop cleans the ground, and the ground slippery is prevented; through the dust collection box which slides longitudinally in the box shell, the dust collected by the dust collection box can be centralizedly processed after cleaning is conducted. The multifunctional sweeping device is scientific in structure, reasonable in design, convenient to use and good in sweeping effect.
Owner:WUXI AOTU AUTOMATION TECH CO LTD

Novel road desilting and dirt removing device

The invention provides a novel road desilting and dirt removing device comprising a box body, a box door, a pull ring, a push handle, an observation window, movement wheels, a cleaning mechanism, a baffle, a bucket, a partition plate, a water pump, a cleaning pipe, a storage battery, a controller, a first electric motor, a transmission rolling shaft, a buzzer, a water inlet, a switch block, a water level sensor, a storage box and a water tank. The box door is installed on one side face of the box body. The pull ring is welded to one side face of the box body, and the push handle is welded to another side face of the box body. The cleaning mechanism is installed on one side face of the movement wheels. The water pump is arranged in the water tank. The cleaning pipe is installed on the lower side face of the water pump. The first electric motor is installed on another side face of the storage battery. The transmission rolling shaft is installed on the lower side face of the first electric motor. According to the novel road desilting and dirt removing device, the cleaning mechanism, the cleaning pipe and the transmission rolling shaft are arranged, the desilting effect is good, use is convenient, roads can be washed after being subjected to desilting, silt is not prone to fall, and the safety protective property is good.
Owner:浙江宇宏建设有限公司

Environment-friendly construction method for expressway

The invention provides an environment-friendly construction method for an expressway. The method comprises the steps that 1 a drainage ditch is dug, and a first drainage pipe is placed in the drainageditch; the first drainage pipe comprises a first pipe and a second pipe; the first pipe is connected with a first water tank and a spraying pipe; 2 a drainage layer is laid and communicates with a second drainage pipe, the second drainage pipe communicates with a second pipe, and the second pipe communicates with the first water tank; 3 a filter layer and a steel wire mesh are laid; 4 a protective net is laid; and 5 in the construction period of the non-rainfall period, an automatic dust falling system starts. The environment-friendly construction method is simple and labor-saving, solves theproblem of water collection of a construction section, effectively saves water resources by utilizing waste water to filter, spray and reduce dust, and is excellent in dust reduction effect.
Owner:朱照明

Cutting device for sectional materials

The invention discloses a cutting device for profiles, which includes an operating table, a backing plate, a moving plate and a cutting wheel, and is characterized in that: the operating table is set on a support, and a fixed block, guide rail, chip discharge port, and chip collection box. The backing plate is arranged on the fixed block, and a protective cover, a cutting port, and a scale are arranged on the backing plate. A motor, a handle, a positioning blocks, rollers, and the rollers are arranged on the guide rail, the fixed block is provided with a rotating shaft, and one end of the rotating shaft is provided with a driven wheel, and the cutting wheel is arranged on the rotating shaft. In the present invention, a scale, a cutout, and a protective cover are provided on the spacer, and the length of the profile that needs to be cut can be measured through the scale and the cutout, so as to improve the accuracy of the length of the profile, and the protective cover can not only avoid the cutting process of the profile The flying of debris generated in the process can also improve the safety of the profile during the cutting process.
Owner:柴德维

Deep scarification combined land preparation machine for straw crushing, mixing and returning to field

The invention discloses a deep scarification combined land preparation machine for straw crushing, mixing and returning to the field. A coulter is embedded and clamped in the side end of a mounting limiting column, a radian pressing block is hinged to one side of the top end of the coulter, a pressing spring is connected to the top end of the radian pressing block, a pressing limiting column is welded to the top end of the pressing spring, a rotating limiting plate is welded to the side end of the mounting limiting column, a rotary limiting opening is formed in the top end of a fixed supporting plate, and a semicircular limiting plate is welded to the top end of the fixed supporting plate. Soil is ploughed through the coulter, so that the looseness of the soil is guaranteed; and through mutual cooperation of the semicircular limiting plate and the rotating limiting plate, the angle of the coulter can be changed according to the actual condition of soil when different kinds of soil are coped, the optimal ploughing position of the coulter is guaranteed, the situation that the ploughing speed of the coulter is affected by the single position is avoided, and meanwhile the situation that the coulter is excessively stressed and damaged due to the single cut-in position is avoided.
Owner:HEILONGJIANG AGRI ECONOMY VOCATIONAL COLLEGE

Solid-liquid mixing device

The invention relates to a solid-liquid mixing device. The solid-liquid mixing device comprises a mixing cavity, a liquid dispersing disc, a particle dispersing disc and a stirring mechanism, whereina liquid inlet is formed in the top wall of the mixing cavity; a discharging opening is formed in the bottom wall of the mixing cavity; a particle inlet is formed in the side wall of the mixing cavity; the liquid dispersing disc is located above the particle inlet; the particle dispersing disc is located under the particle inlet; the stirring mechanism comprises a rotating shaft, a stirring shaftand a plurality of stirring blades; the stirring blades comprise upper stirring blades and lower stirring blades; the lengths of the upper stirring blades are successively increased and the lengths ofthe lower stirring blades are successively reduced in a direction from the rotating shaft to the side wall. The solid-liquid mixing device is capable of fully wetting, so that the situation that thedust flies is avoided; the contact area between solid particles and the liquid is increased; the solid and the liquid are premixed, so that the dispersion efficiency is improved, and the phenomenon that large particle clusters are difficult to disperse or removed is avoided; the stirring blades with different lengths are used for fully stirring the mixture, so that the dispersion efficiency and the dispersion effect are improved.
Owner:常熟世名化工科技有限公司

Multi-procedure rice impurity-removal and dust-removal process

The invention discloses a multi-procedure rice impurity-removal and dust-removal process. The process solves the problems that by means of a conventional impurity-removal and dust-removal process, dust is prone to raise in the impurity-removal process, and a soaking and washing mode is adopted in general in the dust-removal process, so that the situation that rice is contaminated by excessive water in the dust-removal process can be easily generated; the excessive water is contaminated, so that more time is spent in the subsequent heating and drying process step, the drying temperature needs to be increased, and once the drying temperature is increased, the quality of the rice is not easy to guarantee; meanwhile, the excessive water is contaminated, so that the situations that the rice issubjected to incomplete subsequent drying so as to enable the rice to be subjected to moisture and mildew and deterioration appear easily, and the quality of the rice is greatly influenced; and meanwhile, a large amount of water requires to be used for dust removal in the traditional process, so that the water resource is wasted. The multi-procedure rice impurity-removal and dust-removal process is carried out through matching of impurity-removal and dust-removal equipment and comprises the specific steps of pre-ash-dust-removal treatment, water washing treatment and drying treatment.
Owner:淮南佳益米业有限公司

Dryer with fluff removing function for cotton and wool cloth

The invention discloses a dryer with a fluff removing function for cotton and wool cloth. The dryer comprises a shell, a drying chamber and a fluff removing chamber are sequentially arranged in the shell from left to right, an air suction cavity is formed in the shell and located above the fluff removing chamber, and a power generation cavity is formed in the shell and located at the left side ofthe air suction cavity; a drying mechanism is further arranged, the drying mechanism comprises an air heater arranged at the right end of the shell, an air outlet of the air heater is communicated with the air suction cavity, two hollow plates are symmetrically arranged in the drying chamber, and the air suction cavity is communicated with the hollow plate located at the lower portion through an air outlet pipe; and the upper end of the hollow plate located at the upper portion is communicated with the air outlet pipe through a vertical pipe. According to the dryer, double-sided drying can beconducted on the cotton cloth in the drying process, the cotton cloth drying efficiency is improved, meanwhile, fluff on the dried cotton cloth is scraped off to be collected, and therefore subsequentprocessing of the cotton cloth is facilitated.
Owner:郑州市林慕商贸有限公司

Forage grass crushing device for animal husbandry

The present invention discloses a forage grass crushing device for animal husbandry. The forage grass crushing device for animal husbandry comprises a box body, a feeding pipe is inserted into an outer wall of a top wall of the box body, a third motor is arranged on an outer wall of one side of the box body, connecting columns are arranged at one end of an output shaft of the third motor, crushingteeth which are annularly distributed at equal intervals are arranged on outer walls of circumferences of the connecting columns, a second motor is arranged on an outer wall of one side of the box body, a threaded lead screw is fixedly connected to an outer wall of one end of an output shaft of the second motor, a threaded sleeve sleeves an outer wall of a circumference of the threaded lead screw, a mounting plate is arranged on an outer wall of a bottom part of the threaded sleeve, and a first motor is arranged on an outer wall of a bottom part of the mounting plate. After forage grass is added into the box body through the feeding pipe, crushing teeth on outer walls of the two connecting columns are engaged with each other to fully crush the forage grass, at the same time, through-holesformed in outer walls of the crushing teeth can enable the forage grass to be inserted into the through-holes, and a crushing effect of the device on the forage grass is improved.
Owner:贾从夫

Internal polishing device for automatic glass sleeves

The invention discloses an internal polishing device for automatic glass sleeves. The internal polishing device comprises a supporting bottom plate, a supporting base frame is arranged on the supporting bottom plate, a supporting base plate is arranged in the middle of the supporting base frame, and a dust collecting box is arranged between the supporting bottom plate and the supporting base plate; a suction fan is connected below the dust collecting box, a fixing groove is formed in the supporting base plate, a clamping component is arranged in the fixing groove, and a third telescopic push rod is arranged between the other side of the clamping component and the fixing groove; the supporting base frame is provided with a driving motor and a controller; a first telescopic push rod is connected below the driving motor through a rotating shaft; a connecting block is arranged on the lower side of the first telescopic push rod, and a plurality of second telescopic push rods are evenly connected to the periphery of the connecting block; fourth telescopic push rods are arranged in the second telescopic push rods connected with throwing discs. The internal polishing device has the advantages that the clamping component clamps the glass sleeves, and the interiors of the glass sleeves in different sizes and specifications are conveniently polished through the first telescopic push rod and the second telescopic push rods.
Owner:安徽圣贝诺建筑装饰工程有限公司

Road green belt capable of preventing wind and dust from affecting roads

The invention discloses a road green belt capable of preventing wind and dust from affecting roads. The green belt comprises a green belt body, two cement fences are arranged at the upper side of the green belt body in a bilateral symmetry manner, rotating function pieces are fixedly connected to the inner walls of the cement fences, connecting rods are fixedly connected to the rotating function pieces, and lifting telescopic rods are fixedly connected to the upper end faces of the connecting rods; and the tail ends of the lifting telescopic rods are fixedly connected with fixing rods, the tail ends of the fixing rods are fixedly connected with telescopic air pumps, and the tail ends of the telescopic air pumps are fixedly connected with a fixed connecting plate. According to the road green belt capable of preventing wind and dust from affecting the roads, a shaking stabilizing device is started in a strong wind day to support and protect the periphery of a tree, shaking of the tree can be reduced, the falling amount of leaves is reduced, meanwhile, reverse airflow can be formed through the arrangement of a reverse airflow device, and flying of the leaves and the dust is reduced.
Owner:四川温悦灿企业管理有限公司

Robot servo torque control method based on speed control mode

ActiveCN110815217AReduced integral actionSmall output totalizerProgramme-controlled manipulatorSpeed control systemControl system
The invention relates to a robot servo torque control method based on a speed control mode. A speed control system loop is included. A saturator capable of adjusting the threshold is additionally arranged behind a PI controller of the speed control system loop, when the controlling quantity output by the PI controller reaches the upper threshold and the lower threshold of the saturator, a speed control system enters a constant torque control mode from a speed control mode, and therefore constant torque output of a servo motor is achieved. By means of the robot servo torque control method basedon the speed control mode, control over the servo torque of a robot is achieved by means of the speed control mode, the cost for achieving torque control is reduced, meanwhile, smooth conversion between the torque control mode and the speed control mode is completed, and the phenomenon of galloping happening to robot moving is avoided.
Owner:SIASUN CO LTD

Blanking dust collecting device and blanking dust collecting system

The invention discloses a blanking dust collecting device and a blanking dust collecting system and relates to the technical field of dust collection. The blanking dust collecting device comprises a tower type substrate, a dust collector and a moveable cover plate, wherein the tower type substrate is equipped with a first end and a second end which are opposite to each other; the first end is awayfrom the earth surface; a gravel space is limited on an inner wall of the tower type substrate; a gravel feeding port is formed on a side wall of the tower type substrate; a plurality of gravel discharge ports for connecting the gravel space are formed on the side wall of the tower type substrate at intervals; the dust collector is arranged at the first end; the moveable cover plate is moveably arranged on the side wall of the tower type substrate; and the moveable cover plate is capable of covering the gravel discharge ports and closing the first state of the gravel space and leaving from the gravel discharge ports and opening the second state of the gravel space. The blanking dust collecting device is applied to a blanking process in a gravel plant, is capable of effectively collectingthe dust in the gravel in the blanking process, is capable of avoiding the dust flying and is low in cost.
Owner:贵州菲达布袋除尘器设备厂

A kind of outer surface wire drawing treatment device for aluminum product processing and production

The invention discloses an outer surface wire drawing treatment device for aluminum product processing and production, and relates to the technical field of aluminum product outer surface wire drawing. The outer surface of the aluminum product is wire-drawn for processing and production, including a bottom plate, the top outer surface of the bottom plate is welded with a second side frame and a first side frame, and the top of the second side frame and the first side frame are welded. There is a top plate, the top outer surface of the top plate is welded with a motor support frame, a positioning block and a clamping block, the top of the motor support frame is welded with a second motor, the outer wall of one side of the clamping block is rotated with a rotating shaft, and the free end of the rotating shaft It penetrates the positioning block and is welded with the output shaft of the second motor. The outer surface of the rotating shaft is welded with the first winding drum and the second winding drum, and the inside of the second side frame and the first side frame are provided with slides. groove. The invention can perform wire drawing work on aluminum products with different thicknesses, thereby improving the fault tolerance rate.
Owner:佛山市三水长河实业有限公司

Powder preparing device

The invention provides a powder preparing device. The powder preparing device comprises a powder stirring device, a compression device, a weighing device and a base. The compression device and the weighing device are fixedly arranged on the base. The compression device and the weighing device are movably connected. Through a discharging port, the powder stirring device is connected with a feedingvalve and the compression device. The powder preparing device has the beneficial effects that the powder size is compressed, packaging is convenient, the weight of packaged powder bags is equivalent,and the error is small.
Owner:TIANJIN LONGHUA CHENGXIN POWDER TECH

Electrostatic dust removing blackboard eraser capable of recovering energy

The invention relates to a blackboard eraser, in particular to an electrostatic dust removing blackboard eraser capable of recovering energy. According to an electrostatic dust removing principle, dust is absorbed by using static electricity generated by friction; then, the dust is absorbed in a dust collecting box through an air extracting device to realize effective absorption of the dust on a blackboard from the source; by using a compound principle of frictional electricity, electrostatic induction and piezoelectric effect, friction force during erasing of the blackboard and pressure of ahand to the blackboard eraser are collected, and are converted to electric energy by a hybrid nanometer generator in a power generation device; and an additional rectifying circuit is used for charging an energy storage device, so that the electric energy is provided to the air extracting device to realize recycling of mechanical energy.
Owner:JIANGSU UNIV

Blackboard eraser with dust collection effect and using method thereof

The invention discloses a blackboard eraser with a dust collection effect, and relates to the technical field of teaching appliances. The blackboard eraser comprises a shell, wherein the two ends of the shell are rotationally connected with a rolling brush shaft, belt wheel shafts and roller shafts, and are connected with two fixed shafts side by side; the two ends of the fixed shafts are rotationally connected with worms; driven wheels are fixed at one ends of the worms; an electrostatic adsorption plate is fixed on the inner wall of the shell; the two outer walls of the shell are connected with dust collection boxes; the rolling brush shaft is connected with a rolling brush; rolling brush worm wheels are fixed at the two ends of the rolling brush shaft; the belt wheel shafts are in transmission connection with the rolling brush shaft; the two belt wheel shafts are connected through two transmission belts; a scraping plate is connected between the two transmission belts; and rollers and driving wheels are fixed at the two ends of the roller shafts and are used for driving the rolling brush shaft to rotate. According to the blackboard eraser, dust adsorption is realized through theelectrostatic adsorption plate, so that the situation of dust flying is effectively avoided; and the dust adsorbed on the surface of the electrostatic adsorption plate is scraped through the scrapingplate, and is collected by utilizing the dust collection boxes, so that the influence of the dust on the body health of a human body is effectively avoided.
Owner:安徽文香信息技术有限公司

External surface wire drawing treatment device for aluminum product processing and production

The invention discloses an external surface wire drawing treatment device for aluminum product processing and production, and relates to the technical field of aluminum product external surface wire drawing. The external surface wire drawing treatment device comprises a bottom plate, wherein a second side frame and a first side frame are welded on the top outer surface of the bottom plate, a top plate is welded on the tops of the second side frame and the first side frame, a motor support frame, a positioning block and a clamping block are welded on the top outer surface of the top plate, a second motor is welded on the top of the motor support frame, a rotating shaft is rotationally arranged on the outer wall of one side of the clamping block, the free end of the rotating shaft penetratesthrough the positioning block and is welded with an output shaft of the second motor, a first winding roller and a second winding roller are welded on the outer surface of the rotating shaft, and sliding grooves are formed in the second side frame and the first side frame. The external surface wire drawing treatment device for aluminum product processing and production can perform wire drawing work on aluminum products with different thicknesses, and improves the fault tolerance rate.
Owner:佛山市三水长河实业有限公司

Cleaning machine for textile machine

InactiveCN106192098AWon't lead to under-cleaningEasy to cleanTextiles and paperEngineeringMechanical engineering
A cleaning machine for a textile machine comprises a main cleaning unit, wherein air blowing pipes and an air suction pipe are arranged on the main cleaning unit, an air blowing box is fixed on the air blowing pipes, air blowing holes directly facing a cleaning requiring part of the textile machine are formed in the air blowing box and are in commination connection with the air blowing pipes, and air suction holes matched with the air blowing holes are formed in the air blowing box and are in commination connection with the air suction pipe. The air blowing holes of the cleaning machine are closest to the cleaning requiring part, so that the best cleaning effect is realized, and the condition that the cleaning requiring part is not cleaned can be avoided even under conditions of accidental collision and the like; the cleaning effect is guaranteed by means of the plurality of air suction holes for air suction; sucked cotton waste is cleaned timely, manual cleaning is not needed, and a filter screen is not blocked.
Owner:HAIAN TEXTILE MACHINERY

Mixer with adjustable discharge hole

InactiveCN105415516AAvoid blockageBlockage situation solvedStructural engineering
The invention discloses a mixer with an adjustable discharge hole. The mixer comprises a mixing barrel, a buffering section and a discharge section which are sequentially connected from top to bottom; the discharge section is enclosed by multiple fixing plates and multiple elastic plates, at least two of the fixing plates are connected with drive rods, and the tops of the drive rods are connected with sliding sleeves arranged on support beams of a support, wherein the sliding sleeves can do back and forth movement along the support beams to expand or shrink the hole diameter of the discharge section; a cross beam, a first stirring bar and a second stirring bar are arranged in the mixing barrel, the first stirring bar and the second stirring bar are arranged at the two ends of the cross beam respectively and are close to the center from top to bottom, the length of the first stirring bar is smaller than that of the second stirring bar, and the cross beam is connected with a first motor located outside the mixing barrel, so that the cross beam can axially rotate around the mixing barrel. The mixer with the adjustable discharge hole can effectively prevent material blocking.
Owner:WUHU HANGTIAN SPECIAL CABLE FACTORY

Agricultural greenhouse film laying vehicle based on Internet of Things

The invention relates to the field of agricultural greenhouse film laying devices, in particular to an agricultural greenhouse film laying vehicle based on the Internet of Things. The agricultural greenhouse film laying vehicle comprises a vehicle body, a stirring structure, a control structure, a quantifying structure, an adjusting structure, a fixing structure, an extending structure and a pressing structure. By mounting the stirring structure at the top end of the vehicle body, various fertilizers needing to be mixed can be fully mixed and stirred so as to facilitate better fertilization, and by matching with the arrangement of the control structure, the discharging speed and the discharging amount of the fertilizers can be accurately adjusted and controlled so as to facilitate the fertilization according to different fertilization requirements; by arranging the quantifying structure, the amount of each fertilizer can be accurately measured before various fertilizers are stirred, so that the fertilizing effect is improved; by installing the adjusting structure at the top end of the vehicle body, the height of a roll material of a placed film can be adjusted, therefore, the agricultural greenhouse film laying vehicle is suitable for film rolls with different external diameters and different film covering environments.
Owner:温州酷蓄农业科技有限公司

Automatic fly ash transfer device suitable for small-sized coal-fired power plant

The invention provides an automatic fly ash transfer device suitable for a small-sized coal-fired power plant, and belongs to the technical field of fly ash transfer devices. The device comprises a base and a charging piece, a rotating shaft is rotationally connected to the base, the rotating shaft is fixedly provided with an intermittent piece, a rotating disc and a conversion piece in sequence and in a sleeving mode, the side surface of a shaft of the rotating disc is uniformly provided with grooves, movable grooves are uniformly formed in the front surface of the rotating disc, stabilizingmechanisms are movably arranged in the movable grooves, and a centrifugal driving mechanism is arranged on the conversion piece. According to the automatic fly ash transfer device suitable for the small-sized coal-fired power plant, the rotating disc is used for driving the charging piece through the grooves on the rotating disc, meanwhile, the stabilizing mechanisms are combined to automaticallycomplete the timed and quantitative discharge and transfer of fly ash, so that the flying situation of the fly ash caused by a large amount of movement of the fly ash is effectively reduced, the harmof the fly ash to the health of people and the pollution to the environment are greatly reduced, and the device is very suitable for small-sized coal-fired power plants and similar fly ash generationplaces.
Owner:吴承毅

Cable production device capable of preventing powder agglomeration

The invention discloses a cable production device capableof preventing powder agglomeration. The cable production device comprises a mixer and an extrusion molding machine; the mixer includes a mixing cylinder, a buffer section and a discharge section connected in sequence from top to bottom; the discharge section is formed by multiple fixed plates and multiple elastic plates in a surrounding way; at least two fixed plates are connected with driving rods; the tops of the driving rods are connected with slide sleeves arranged on support beams of a bracket, wherein the slide sleeves can perform a reciprocating motion along the support beams to expand or shrink the caliber of the discharge section; the lower end of the discharge section is arrangedrightly above a hopper of the extrusion molding machine; a cross beam, a first stirring rod and a second stirring rod are arranged in the mixing cylinder; the first stirring rod and the second stirring rod are respectively arranged at two ends of the cross beam, and are gathered to center from top to bottom; the first stirring rod is shorter than the second stirring rod; and the cross beam is connected with a first motor positioned out of the mixing cylinder to axially rotate around the mixing cylinder. The device can effectively prevent the material blockage.
Owner:WUHU HANGTIAN SPECIAL CABLE FACTORY

A semi-modular graphene floor heating

The invention belongs to the technical field of floor heating, and specifically relates to a semi-modular graphene floor heating, comprising a base, a foam rubber layer is arranged above the base, a heat pipe layer is arranged above the foam rubber layer, and the heat pipe layer A heating pipe is arranged on the top of the heat pipe layer, and a graphene heat-conducting layer is arranged above the heat pipe layer, an insulation layer is arranged above the graphene heat-conducting layer, and a decorative layer is arranged above the insulation layer; the insulation layer of the present invention is uniformly provided with Drying component, the drying component is mainly composed of a drying chamber, a high-temperature desiccant, a cover and a through hole. When the floor heating is not in use, the water will be absorbed by the high-temperature resistant desiccant in the drying chamber of the insulation layer on the way from the decorative layer to the insulation layer. The desiccant absorbs and will not infiltrate and affect other structures of the floor heating. When the floor heating is used, the temperature generated by itself can evaporate the infiltrated water, and the desiccant is resistant to high temperature and will not affect the desiccant, prolonging the service life of the floor heating as a whole .
Owner:江苏汇能燃气催化科技有限公司

Movable blackboard eraser and blackboard eraser box matched with movable blackboard eraser for dust removal

InactiveCN112208251AImprove cleaning efficiencyMaintain the effect of continuous useBoard cleaning devicesDust controlEngineering
The invention provides a movable blackboard eraser and a blackboard eraser box matched with the movable blackboard eraser for dust removal, and relates to the field of blackboard erasers. The blackboard eraser box comprises a blackboard eraser shell, a blackboard eraser box body, a beating dust removal mechanism for beating chalk dust on the blackboard eraser and a closed dust removal mechanism for removing dust in a closed environment, wherein the surface of the blackboard eraser shell is rectangular, the upper side and the lower side of the blackboard eraser shell are mouth-shaped, the beating dust removal mechanism is arranged on the blackboard eraser shell, and the surface of the blackboard eraser box body is rectangular. According to the movable blackboard eraser and the blackboard eraser box matched with the movable blackboard eraser for dust removal, a special structure is designed according to the situation that clothes are easily polluted and the dust on the surface is difficult to remove in the using process of an existing blackboard eraser, the special structure can clean the blackboard eraser both when the blackboard is not in use and in use, and the surface of blackboard eraser cotton can be replaced for use, so that the problems that the general blackboard eraser is easily polluted by a large amount of dust when in use and needs to be frequently flapped to removethe dust, powders are prone to flying, consequently, the teaching environment is influenced, and cuffs are dirty are solved.
Owner:莫仁媚

Environment-friendly and efficient production line for mask processing

The invention discloses an environment-friendly and efficient production line for mask processing. The environment-friendly and efficient production line comprises a dust collector, a supporting rod, an air cylinder, a mounting box body, a first moving plate, a dust collection cover, a top plate, a supporting plate, a first limiting disc, a mounting frame, a rotating cylinder, a second limiting disc, a first connecting rod, a baffle, a hydraulic cylinder, a fixing frame, a motor, a bottom plate, a first triangular plate, a second triangular plate, a mounting flange, a push plate, a second connecting rod, a second moving plate, a connecting block, a sliding block and a fixing column. According to the environment-friendly and efficient production line, fine scraps generated in the discharging process of a roll material are collected and treated through the installed dust collector and the installed dust collection cover, the situation that the fine scraps fly is avoided, and environmental protection is facilitated; and meanwhile, through movement of the second moving plate, a protrusion arranged on the second moving plate limits and fixes a central paper roll in the roll material, so that the roll material is fixed, a traditional mode of fixing the roll material is changed, and the production efficiency of a mask is improved.
Owner:福清市益兴堂卫生制品有限公司

Learning device suitable for business administration major learning

The invention discloses a learning device suitable for business administration major learning, and particularly relates to the field of business administration majors. The learning device comprises a blackboard body, a blackboard eraser and a dust accumulation box, the blackboard eraser is movably arranged at one end of one side of the blackboard body, one side of the dust accumulation box is movably arranged on one side of the blackboard body, a fixing plate is fixedly arranged on one side of the blackboard body, and through grooves are formed in the two ends of one side of the blackboard body. A motor is fixedly arranged at one end of the fixing plate, the end of an output shaft of the motor movably penetrates through one end of the fixing plate, a threaded rod is fixedly arranged at the end of the output shaft of the motor, one end of the threaded rod is rotatably inserted into one end of the fixing plate, the threaded rod is sleeved with a first sliding block in a threaded mode, and a connecting plate is fixedly arranged on one side of the first sliding block; and the connecting plate is attached to one side of the blackboard body, and one end of each of two fixing blocks is movably inserted into one of the two through grooves correspondingly. The four vertexes of the blackboard body are wrapped by sponge mats, so that the situation of collision is prevented.
Owner:JIANGSU INST OF ECONOMIC & TRADE TECH
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