45results about How to "Shake fully" patented technology

The invention discloses an agricultural grain screening and drying device, which comprises a drying chamber, a limit chute is symmetrically arranged on the left and right side walls of the drying chamber, a drying screen cylinder is horizontally arranged in the drying chamber, and a right end of a rotating nozzle is provided. A limit bearing seat is sleeved; a horizontal plate is arranged on the drying chamber, a left vertical plate and a right vertical plate are symmetrically arranged on the horizontal plate, a driving device is installed on the elliptical cam, and left limit plates are respectively arranged on the left and right sides of the elliptical cam and the right limit plate, the bottom ends of the left limit plate and the right limit plate are both provided with guide sliders slidingly connected with the horizontal plate; both ends of the screen plate extend to the outside of the drying chamber, the first extension plate and the second extension plate The bottom surface is provided with a boom, and the boom is rotatably provided with a swing rod. The structure of the invention is ingenious. The rotating nozzle is driven by the driving motor and drives the stirring block to turn and stir the grains, so that the grains are more dispersed. The jetted hot air dries the grains by wind, which greatly improves the drying effect of the grains.

The invention discloses an efficient cleaning device for traditional Chinese medicinal materials. The efficient cleaning device comprises a bottom plate; a vertical plate is vertically and fixedly mounted at the upper right end of the bottom plate, a top plate is horizontally and fixedly mounted at the top of the vertical plate, a supporting frame is vertically and fixedly mounted on the bottom plate, and a cleaning barrel is fixedly mounted on the supporting frame; a motor is fixedly mounted in a machine box, a driving shaft is coaxially and fixedly mounted on an output shaft of the motor, and the driving shaft upward extends into the cleaning barrel; and rotating blades are fixedly mounted on the upper surface of a driven bevel gear, a guiding rod is vertically and slidably arranged in alimiting bracket, and a spraying head is fixedly mounted on the lower bottom face of the top plate. According to the efficient cleaning device for the traditional Chinese medicinal materials, a storing basket is driven by a transmission shaft to swing clockwise and counterclockwise, full shaking of the traditional Chinese medicinal materials in the storing basket is promoted, water sprayed by thespraying head cleans the medicinal materials, rotating of the rotating blades promotes cleaning water in the lower half part of the cleaning barrel to rotate rapidly, soil sundries on the surfaces ofthe medicinal materials are promoted to be separated from the surfaces of the medicinal materials, and the rapid and efficient cleaning effect is achieved.

The invention discloses a medical-care medicine spraying device for clinical application of otolaryngology department. The medical-care medicine spraying device comprises a support plate, wherein a vertical plate is arranged at the left end of the top of the support plate, a top plate is fixedly arranged at the top of the right side of the vertical plate, a medical liquid box is fixedly arranged at the top of the support plate, a rotating motor is fixedly mounted at the top of the top plate, a rotating rod is fixedly connected to an output end of the rotating motor, the bottom of the rotatingrod rotatably extends to the inner part of the medicinal liquid box, a plurality of stirring blades are fixedly mounted, and swaying plates are symetrially mounted on two sides of the inner wall of the top of the medicinal liquid in a sliding manner. The medicine spraying device is reasonable in structure and novel in design, medicinal liquid can be sufficiently and uniformly swayed, the situationof medicinal liquid precipitation can be avoided while the medicinal liquid is sprayed, the medicine effect is sufficiently exerted, the automation degree is high, the working strength of medical personnel is greatly reduced, and the medical-care medicine spraying device is high in efficiency, time-saving and labor-saving, can meet requirements for spraying medicinal liquid for clinical application of the otolaryngology department, and is high in practicality.

The invention relates to the technical field of petroleum product physical property measurement, in particular to a method and a device for improving measurement for petroleum product saturated vapor pressure by utilizing the vacuum technology. The invention provides a novel design of measurement for the petroleum product saturated vapor pressure under full-automatic vacuum condition. Namely, through automatic control over clockwise rotation or anticlockwise rotation and two-in-one motion of up-and-down movement of a measuring section, self-control operation of a system valve, on-line full-automatic collection of petroleum products and parameters, and automatic monitoring on operational parameters under vacuum condition, the measurement of full automation, high fidelity and high accuracy for the petroleum product saturated vapor pressure under different temperatures is achieved.

The invention discloses a fast cleaning device for automobile parts. The fast cleaning device comprises an operating frame. A liquid storage tank is fixedly installed at the right side of the operating frame. The left end of a driving shaft is in driving connection with a driving motor. The surface of a driven shaft is fixedly sleeved with a driven pulley. The surface of the driving shaft is fixedly sleeved with a driving pulley. A plurality of spraying holes are evenly formed in the upper surface of a liquid storage tray. An air cylinder is connected with a sliding sleeve through a connectingrod. According to the fast cleaning device for the automobile parts, the automobile parts inside a cleaning net barrel can be rotated and cleaned by rotating a cleaning brush, the cleaning net barreland the cleaning brush can rotate simultaneously and the rotating directions of the cleaning net barrel and the cleaning brush are opposite; sufficient stirring and shaking of the automobile parts inside the cleaning net barrel are promoted, sufficient scrubbing of the surfaces of the parts by the cleaning brush is achieved and the cleaning effect is better; and the liquid storage tray drives thecleaning brush to repeatedly clean the surface of the cleaning net barrel, net hole smoothness of the cleaning net barrel is guaranteed, blockage can be avoided, dirt and oil stains on the surfaces of the parts can flow out of the cleaning net barrel along with cleaning fluid, and the cleaning efficiency is effectively improved.

The invention discloses an efficient stirring device for an organic compound biofertilizer and a use method and relates to a stirring device. A rotating motor (34) is arranged in the middle of a bottom plate (35); a rotating rod (26) is arranged at the upper end of the rotating motor; a plurality of vertical plates (32) are arranged on the upper surface of the bottom plate at the bottom of the rotating rod (26); uprights (33) matched with a bucket body (5) are arranged at the upper parts of the outer ends of the vertical plates; a plurality of side rods (30) are sequentially arranged on the inner side faces of the uprights; and motors (29) are arranged at the front ends of the side rods (30) on the inner side faces of the uprights (33). The device can achieve quick and convenient fertilizer stirring for people, greatly improves stirring efficiency of the fertilizer, allows the fertilizer to be stirred more sufficiently and completely, avoids an non-ideal crop fertilization effect caused by nonuniform stirring of the fertilizer and provides powerful guarantee for healthy growth of crops.

The invention relates to the technical field of fire extinguishing devices, in particular to a height-adjustable fire extinguisher storage device. The height-adjustable fire extinguisher storage device comprises a protection box, a fixing mechanism, a lifting mechanism, a limiting mechanism, a transmission mechanism and a placing mechanism. When a fire disaster occurs, a user rotates a handle andpushes the handle, so that the handle drives a connecting rod to move towards the inside of the protection box; and then a clamping block at the end portion of the connecting rod is clamped in a toothgroove, the connecting rod drives the transmission rod to rotate, the transmission rod drives a third gear to rotate, the third gear drives a fourth gear to rotate, the fourth gear rotates at a faster speed due to the fact that the diameter of the third gear is larger than that of the fourth gear, the fourth gear rotates to drive a rotating shaft to rotate, the rotating shaft drives a disc to rotate, and the disc drives a fire extinguisher body to rotate, so that the fire extinguisher body is fully shaken before being used, uniform distribution of chemical extinguishing substances in the fireextinguisher body is guaranteed, operation steps and time for the fire extinguisher body are saved for a user, and the use effect of the fire extinguisher body is guaranteed.

The invention discloses a sand sieving device for building operations. The sand sieving device for building operations comprises an operation rack, wherein a storage conical barrel is fixedly mountedon the upper portion of the operation rack; a collecting groove is fixedly formed in the bottom of the inside of the operation rack; a transmission sliding rod penetrates in the operation rack in a horizontal sliding manner; a driving motor is fixedly mounted on the back surface of the operation rack; a hinge pin which is abutted to the inner surface of a limiting transmission collar is fixedly mounted on the front surface of the transmission sliding rod in a penetrating manner; a second pull rope is wound on a second fixed pulley; an eccentric rotating wheel drives the limiting transmission collar to rotate eccentrically; the limiting transmission collar drives the transmission sliding rod to move back and forth in the left-right direction through the hinge pin; the eccentric rotating wheel drives the sieve plate to vibrate vertically; by abutted cooperation of a lower transmission block and an upper transmission block, the sieve plate vibrates back and forth in the left-right direction, the sieve plate drives sand thereof to vibrate fully, sieving of the sand is accelerated, by sliding of a first sliding plate and a second sliding plate, the sand in the storage conical barrel isfed into the sieve plate intermittently, and the sand is fully sieved by the sieve plate.

The invention discloses an automatic shaking-up multifunctional blood sampling test tube rack which is characterized in that the bottom of a box body is slidably connected with a base through a supporting rod, a first spring is arranged in the base, a first motor is connected with a rotating rod through a bevel gear, left and right cams are connected to the left and right sides of the rotating rod, and left and right connecting rods are connected to the left and right cams. Left and right connecting frames are connected to the left and right connecting rods. The side wall of the inner cavity of the box body is connected with a second spring. The top of the sliding rod is connected with a baffle. The outer wall of the sliding rod is sleeved with a third spring. A second motor is connected with a placement frame with a rack through a gear, the placement frame is connected with a sliding rail through a sliding block, and the bottom of an inner cavity of the placement frame is connected with a bottom plate. The surface of the bottom plate is connected with a rubber seat, the rubber seat is connected with an air suction cylinder through a breather pipe, the air suction cylinder is slidably connected with a piston, the piston is connected with an electric push rod, the inner wall of the clamping hole is slidably connected with an ejector rod, the outer wall of the ejector rod is sleeved with a fourth spring, and the top of the ejector rod is connected with a clamping block. The test tube rack is uniform in shaking, shock-absorbing and good in universality.

The invention discloses a pesticide sprayer capable of preventing pesticides from sedimentation. The pesticide sprayer comprises a base, wherein a controller is fixedly mounted on the right side of the top of the base; a mounting rod is fixedly connected to the top of the base and positioned on the left side of the controller; a motor I is fixedly mounted at the top of the mounting rod; the output end of the motor I is fixedly connected with a connecting rod I; the right side of the front surface of the connecting rod I is movably connected with a connecting rod II through a pin shaft; the left side of the top of the base is movably connected with a pesticide storage box; and rollers are movably mounted on two sides of the bottom of the pesticide storage box through supports. According to the pesticide sprayer, through cooperation between the motor I, the connecting rod I, the connecting rod II, the pesticide storage box, the rollers, a slide rail, a mounting plate, a connecting rod III and a stop block, the pesticide storage box can move left and right to enable the pesticides to shake in the pesticide storage box; and through cooperation between a motor II, a connection rod, fixed rods and stirring plates, the effect that the pesticides shake sufficiently in the pesticide storage box is achieved, the pesticides are prevented from sedimentation, and the spray uniformity of the pesticides is guaranteed.

The invention discloses an instrument disinfection cabinet for the stomatology department and relates to the technical field of stomatology department. The instrument disinfection cabinet comprises acabinet body, wherein a water tank is fixed to the interior of the cabinet body, a stand column is fixed to the bottom in a disinfection tank, and a flushing mechanism is in transmission connection between the stand column and a screen plate. According to the instrument disinfection cabinet for the stomatology department, a lifting mechanism can drive the screen plate to carry out reciprocating motion in the vertical direction, stomatological instruments on the screen plate can be fully shaken and dispersed, the disinfectant and the full flushing effect of the disinfectant are promoted, a spraying mechanism and the flushing mechanism are arranged to flush the instruments from top to bottom and from bottom to top, sufficient disinfecting and cleaning effects for the instruments are promoted, hollow brush rollers can achieve repeated washing of the bottom of the screen plate in the vertical lifting process of the screen plate, mesh holes of the screen plate are promoted to be clear, smooth outflow of sewage is achieved, and sufficient disinfection of the disinfectant on the instruments is guaranteed.

The invention relates to the technical field of medical instruments, and discloses an insulin pen shaking device including a base, a supporting frame is arranged at the upper end of the base. A heat preservation box is arranged at the upper end of the supporting frame. A placing plate is arranged on the inner side of the heat preservation box; a placing hole is formed in the surface of the placingplate; an insulin pen is arranged on the inner side of the placing hole; a bottom tray is arranged on the inner side, close to the lower end of the insulin pen, of the heat preservation box; an adjusting column is arranged at the lower end of the bottom tray, a rack is arranged on the inner side of the adjusting column, a gear is arranged on the surface of the rack, a motor is arranged at the joint, corresponding to the supporting frame, of the surface of the upper end of the base, and a crank wheel is arranged at one end of the motor. The insulin pen shaking device has the advantages that multiple insulin pens can be shaken up at the same time, the shaking-up effect is good, the shaken-up insulin pens can be conveniently taken out of the heat preservation box, constant-temperature storage can be provided for insulin, and insulin absorption is facilitated.

The invention relates to the field of vegetation restoration devices, in particular to a disease and pest vegetation treatment device. The device comprises a box, wheels, a cleaning structure, a limiting structure, a feeding structure, a deinsectization structure and a stirring structure. When the device walks on disease and pest vegetation, that is, the wheels rotate, the cleaning structure can be synchronously driven to work, fallen leaves and branches attached to the vegetation can be cleaned away through work of the cleaning structure, and therefore dry branches and fallen leaves on the vegetation can be cleaned away in time, and the attractiveness of the garden vegetation is prevented from being affected by the dry branches and fallen leaves; through the arrangement of the limiting structure, it can be guaranteed that the dry branches and fallen leaves are raked up, the cleaning structure can synchronously drive the feeding structure to work while working, through work of the feeding structure, the dry branches and fallen leaves raked up by the cleaning structure can be lifted and collected, and therefore the dry branches and fallen leaves can be conveniently collected; and when the cleaning structure collects the dry branches and fallen leaves, the deinsectization structure can be synchronously driven to work.

The invention discloses a freeze-dried tremella boiling device. The freeze-dried tremella boiling device comprises a machine body, wherein a controller is fixedly mounted at the right side of the machine body; a through hole is formed in the top of the front surface of the machine body; a movable door is movably arranged at the position, corresponding to the through hole, on the front surface of the machine body through a hinge; stabilization rods are fixedly connected with two sides of the top of the machine body; one end, far away from the machine body, of each stabilization rod is fixedly connected with a motor; the output end of the motor is fixedly connected with a rotary rod; the bottom of the rotary rod penetrates through the machine body and extends into the machine body. According to the freeze-dried tremella boiling device disclosed by the invention, the motor, the rotary rod, stirring plates, a gear I, a rotary column I, a gear II, a rotary column II, sleeve rings, shaking plates, belt wheels and a belt are matched, so that tremella and auxiliary materials thereof can be sufficiently shaken in the machine body and the boiling efficiency is high; vitamins and microelements in the auxiliary materials can be sufficiently absorbed by the tremella, so that the finished-product quality of the freeze-dried tremella is improved.

The invention relates to the technical field of flour processing, and discloses an efficient screening device for flour processing. The efficient screening device comprises a frame, wherein a first support rod is fixedly mounted at the upper end of the frame, a sliding guide rod is fixedly mounted at the lower end of the frame, a gear is rotatably connected to the sliding guide rod, a vibration device is slidably mounted on the sliding guide rod, sliding grooves are formed in the left wall and the right wall of the vibration device, and a movable plate is slidably connected into the vibrationdevice through sliding blocks. According to the device, the gear rotates on the sliding guide rod to drive a tooth-shaped guide rail in engaged connection with the gear to move, so that the movable plate can be directly driven to move, the movable plate drives ae frame body of the vibration device to move in the horizontal position, the vibration device can move in the horizontal process and can be used in cooperation with the sliding blocks and the sliding grooves in the vertical direction, and the movable plate can also vertically move in the vibration device, so that a connecting rod is driven, and the effect that a screening bin is fully shaken, and flour is rapidly screened is achieved.

The invention discloses a pesticide preparation device for agriculture and forestry plants. The device comprises a shell mechanism (1), a feeding mechanism (2) arranged in the shell mechanism (1) anda primary mixing mechanism (3), the primary mixing mechanism (3) comprises a rotating outer frame (31); the rotating pipes (32) are positioned on the left side and the right side of the rotating outerframe (31); a rotating inner frame (33) accommodated in the rotating outer frame (31); wherein the spraying pipes (34) are located on the outer circumferential face of the rotating outer frame (31),the second springs (35) are arranged between the rotating outer frame (31) and the rotating inner frame (33), the stirring blocks (36) are arranged on the inner circumferential face of the rotating inner frame (33), and the gear ring (37) is arranged on the outer circumferential face of the rotating outer frame (31). The raw materials for pesticide preparation can be effectively mixed and stirredfor three times, so that the raw materials are uniformly mixed, and the quality of the prepared pesticide can be guaranteed.

The invention discloses a preparation method of an avian influenza vaccine. The preparation method comprises the following steps: (1) carrying out acclimation culture on CEF (Chicken Embryo Fibroblast), thus obtaining sub-culture CEF which can adapt to a serum-free culture medium and is in a single-cell suspended growth state; (2) inoculating the sub-culture CEF obtained through acclimation in step (1) to a shake flask for carrying out shaking culture; (3) inoculating an avian influenza virus to the sub-culture CEF after the shaking culture, and carrying out propagation culture of the virus; (4) harvesting a virus solution; (5) preparing the avian influenza vaccine after deactivating the virus solution. According to the preparation method disclosed by the invention, the pollution risk andthe production cost are remarkably reduced, the production time of the avian influenza vaccine is effectively shortened, and the production scale can be conveniently amplified; the prepared avian influenza vaccine is good in safety and high in immunoprotection effect.

The invention relates to the technical field of petroleum fractionation, and in particular, relates to a fractionation device in a petroleum coke production process, wherein the fractionation device comprises a first rectifying tower and a second rectifying tower; the top of the second rectifying tower is provided with a second heavy component branch pipe and a second light component branch pipe, and one end of the second heavy component branch pipe and one end of the second light component branch pipe are sleeved with spiral heat conduction pipes; a first heavy component branch pipe is mounted at the top of the first rectifying tower, one end of the first heavy component branch pipe is connected with a first heat exchange mechanism, and an auxiliary mechanism is arranged on one side of a uniform mixing box. Fluid in the uniform mixing box can be fully stirred and sloshed, so that the fluid in the pipeline can be uniformly mixed at a temperature, the temperature difference between a second heat exchange pipe and the spiral heat conduction pipes caused by too high temperature of the outer layer of the pipeline is avoided, the overall temperature of the uniformly-mixed fluid is uniformly mixed, the temperature difference between the second heat exchange pipe and the spiral heat conduction pipes is enlarged, then the secondary heat exchange efficiency is improved, and sufficient absorption of heat in the second rectifying tower is achieved.

The invention discloses dialysis equipment for diagnosis and treatment in the nephrology department, and relates to the technical field of dialysis equipment. In order to improve the dialysis effect, the dialysis equipment comprises a base, a hemodialyzer and a placement assembly, wherein a mounting frame is arranged on the outer wall of the top of the base; a servo motor is arranged on the outerwall of the top of the mounting frame; the output end of the servo motor is connected with a rotating shaft through a coupler; a circular sliding disc is arranged on the inner wall of the top of the mounting frame; a convex block is fixed on the inner wall of the circular sliding disc; a rotating plate is arranged on the outer wall of the bottom of the rotating shaft; two I-shaped columns are movably connected to the inner wall of the circular sliding disc; springs III are fixed on the outer walls of the bottoms of the two I-shaped columns; and rectangular plates are fixed on the outer walls of the bottoms of the two springs III. According to the dialysis equipment, the hemodialyzer is arranged and can be used for carrying out dialysis treatment on a patient, the placement assembly can be used for placing and fixing the hemodialyzer, and the servo motor is arranged and can drive the rotating shaft to rotate.

The invention relates to the technical field of fire-fighting equipment, in particular to a fire extinguisher capable of automatically shaking. The bottom end of a fire extinguisher body is connectedwith a shaking device; the shaking device comprises a shaking bottom block which is coaxially connected with a drive wheel; the fire extinguisher body is equipped with a bottom plate; the upper end ofthe shaking bottom block is equipped with a ring-shaped slide path; a pair of ejector rods is arranged in the shaking device; the lower ends of the ejector rods abut against the ring-shaped slide path, the upper ends of the ejector rods abut against a bottom plate, and the shaking bottom block rotates to drive the bottom plate to shake; the shaking device further comprises a rotary wheel, a pulling rope is wound on the rotary wheel, one end of the pulling rope is connected to one end of a security pin, the other end of the pulling rope extends out of the side wall of the fire extinguisher body, the rotary wheel is connected with a transmission group, and the transmission group is connected to the drive wheel. The pulling rope is arranged on the security pin, the pulling rope is wound on the rotary wheel, and the rotary wheel, the transmission group and the shaking bottom block are matched, so that shaking of the bottom plate is realized, and therefore, the staff only needs to pull thepulling rope for simultaneously accomplishing the steps of shaking the fire extinguisher body and pulling off the security pin.

The invention discloses cooling and summer heat relieving flower tea which is made of golden flower tea leaves, mint and chrysanthemum flos according to a mass ratio of 10:(2-3):(2-3). The invention further discloses a production process of the flower tea. The production process comprises the following steps: I, picking raw materials; II, withering fresh chrysanthemum flos with sunlight, spreadingtender leaves, and mixing the chrysanthemum flos with the tender leaves; III, performing microwave treatment; VI, performing enzyme deactivation operation by using a mobile hot air high-temperature enzyme deactivation machine; and V, performing kneading, high-temperature frying drying, and scent enhancement. The flower tea disclosed by the invention is free of additive in the production process,and has the quality of authentic in variety, good in original ecology and purely natural; purple bud leaves of golden flower tea leaves are adopted as a main substance of the flower tea, and thus a healthcare function can be achieved; furthermore, as the chrysanthemum flos and mint leaves are compounded, the obtained flower tea has effects of cooling and summer heat relieving; and in addition, asa special mobile hot air high-temperature enzyme deactivation machine is adopted to implement enzyme deactivation treatment in a key enzyme deactivation step, the enzyme deactivation efficiency can beimproved, the enzyme deactivation quality can be improved, and furthermore, the production efficiency and quality of the flower tea can be improved.

The invention relates to the field of textile technology, and discloses a uniform dyeing and stirring device for textiles. The worm gear and worm are clamped. The uniform dyeing and stirring device for textiles, through the setting of the connecting plate, the first rotating shaft, the ring kit, the clamping shaft, the coupling piece and the limit ring, makes the cloth fully contact with the dye, so that the cloth is evenly dyed. The dyeing efficiency is high, through the chassis, bracket, worm gear, swirl, dyeing vat, power shaft, driving gear, driven gear, connecting pin, stirring rod and connecting belt, one power source drives the three components. The rotation not only provides power for the shaking and coloring of the fabric, but also makes the dyeing vat rotate evenly while stirring the dye in the vat to prevent pigment precipitation in the vat, dyeing evenly, fully agitating and shaking the fabric, the coloring effect is good, the efficiency is high, and it is practical Strong.

The invention relates to a shaking machine, in particular to a golden egg shaking machine. Therefore, the invention has the technical problem of providing a golden egg shaking machine capable of sufficiently mixing yolks and egg white of eggs and simultaneously preparing a plurality of golden eggs. The technical implementation scheme of the invention is that: the golden egg shaking machine comprises a bottom plate, a support, a spherical tank, a mounting base, a rocker, a deep groove ball bearing, a cylindrical barrel, sliding rails, sliding blocks, an arc cover board, a handle, a first insertion rod and the like; the support is arranged at the middle part of the upper side of the bottom plate; the spherical tank is arranged at the top of the support; an arc hole is formed at the upper part of the spherical tank; the mounting base is arranged at the bottom inside the spherical tank; the mounting base is rotationally connected with the rocker; and the rocker passes through the arc hole.According to the golden egg shaking machine disclosed by the invention, by forming a plurality of placement grooves in the cylindrical barrel, a worker can place one egg in each placement groove, sothat a plurality of golden eggs can be simultaneously prepared, and preparation efficiency is improved.

The invention belongs to the field of building engineering, and particularly relates to a sand screening machine for building engineering. The sand screening machine comprises a bottom plate. A mounting plate is slidably arranged on the top of the bottom plate. One side of the mounting plate is provided with three rotating holes. Rotating columns are rotatably arranged in the three rotating holes.A screening box is arranged at one end of each of the three rotating columns. A discharging hole is formed in the inner wall of the bottom of each of the three screening boxes. Discharging pipes areeach fixedly arranged in the three discharging holes. Screens are fixedly arranged in the three screening boxes. A fixing hole is formed in one side of the mounting plate, and two connecting plates are fixedly arranged at the top of the bottom plate. The sand screening machine is reasonable in structure, convenient to operate, and high in sand screening efficiency. During sand screening, the mounting plate shakes left and right, and meanwhile, the screening box is driven to rotate back and forth, so that sand is caused to make sufficient contact with the screens, the screening effect is enhanced, and sand particles can be screened to different extents conveniently.

The invention discloses a separator for a plastic packaging bag. The separator comprises a clamp base and a press bar sleeved with the clamp base; the clamp base is a tubular body with the section being in a shape of omega; the clamp base comprises a groove clamp opening with the section being in an arc shape and an arc-shaped clamp buckle extending outwards along the groove clamp opening; the press bar comprises a rod body and fixed ends located at two ends of the rod body and formed by extending to the periphery; the rod body is a tubular body with the section being in an arc shape; the outer edge contour of the rod body is the same as the inner edge contour of the section of the groove clamp opening; and convex points are arranged on any contact face of the rod body or the groove clampopening. The separator for the plastic packaging bag has the following beneficial effects that the plastic packaging bag is divided into two parts through press fitting of the clamp base and the pressbar, the separation effect is good, the separator is convenient and fast to use, when the coating needs to be used, a user only needs to take the press bar from the clamp base and shakes the packaging bag sufficiently, then the coating can be mixed for use, control over the mixing proportion of the coating components is more accurate, and the amount of loss of the coating is reduced.

The invention discloses a blockage-preventing feeding device for a blowing feeding machine and a feeding method. The blockage-preventing feeding device for the blowing feeding machine comprises a feeding cylinder, a feeding hopper and connection rods. A material pushing rod is arranged in the feeding cylinder. The feeding hopper is installed above the feeding cylinder. A screening net is arrangedin the feeding hopper. The bottom of the screening net is connected with elastic springs. The bottoms of the elastic springs are provided with fixing plates. The fixing plates are installed on the inner wall of the feeding hopper. The bottom of the connection rod is connected with the screening net. The connection rods are arranged in grooves. The grooves are formed in the feeding hopper. The inner wall of the feeding hopper is provided with cushion blocks located below the fixing plates. According to the blockage-preventing feeding device for the blowing feeding machine, the screening net isarranged in the feeding hopper and is inclined, in this way, when particulate matter falls, particles large in diameter can be blocked by the screening net and slide to the low end of the screening net, and falling of other materials cannot be influenced.

The invention discloses an intelligent lottery drawing robot and a control method. The intelligent lottery drawing robot comprises a mechanical arm, a clamping structure and a dice cup, the clamping structure comprises a clamping claw and a motor, one end of the clamping claw is fixed on an output shaft of the motor while the other end of the same is fixedly connected with the dice cup, the motoris fixed at the free end of the mechanical arm, and a detachable base is arranged at the lower end of the dice cup. The intelligent lottery drawing robot can realize sufficient and violent shaking ofthe dice cup to enable dices inside to rotate and collide randomly to finally generate a random result, and the whole process is transparent, visible, clear and simple in step and high in credibility.