389results about How to "Improve vibration" patented technology

The invention belongs to the technical field of chip processing, and discloses a wafer laser cutting device based on chip processing, which comprises a vibration mechanism, the vibration mechanism comprises four sliding blocks, the interiors of the sliding blocks are fixedly connected with first motors, and the first motors are rotatably connected with cams; through cooperation of the cam, the clamping plates and other structures, the laser cutting effect of the wafer is improved, the first motor is started to enable the wafer clamped among the four clamping plates to generate slight vibration in the vertical direction, the slight vibration promotes micro movement of a material in the laser cutting process, better interaction between a laser beam and the material is facilitated, and the laser cutting efficiency is improved. A more uniform and smoother cutting face is achieved, the vibration effect can accelerate the melting or crushing process of materials, the cutting time is shortened, the cutting efficiency is improved, meanwhile, vibration can accelerate airflow on the surface of a wafer, a certain heat dissipation effect is achieved, local overheating of the materials is reduced, expansion of a heat affected zone is avoided, and the flatness of the cutting edge is improved.

The invention relates to a low-oscillation impact inertia piezoelectric actuator and a driving method thereof, and belongs to the field of precision machinery. The impact inertia driver comprises a base unit, a driving unit and a guide rail sliding block. The driving unit is a flexible hinge mechanism with a rhombic displacement amplification mechanism and is connected with the guide rail sliding block through a screw; and the piezoelectric stack is embedded in the rhombic amplification mechanism. The driving method of the device comprises the steps that when continuous zigzag driving voltage is applied to the piezoelectric stack, certain waveform voltage is applied to the electromagnet to conduct power-on and power-off operation on the electromagnet, based on the inertial impact principle, the resultant force of impact inertia force and magnetic force is larger than the friction force between the flexible hinge mechanism and the friction block, and the sliding block generates linear stepping motion. The invention has the advantages of simple structure, easiness in processing, assembly and control, capability of realizing high-speed large-stroke and high-load output, and no rollback displacement. The method has good application prospects in the fields of micro-nano operation, precise instruments, precision machining and the like.

The invention discloses a primary and secondary fusion complete environment-friendly gas insulated looped network box, which comprises a box body, a load switch is arranged in the switch chamber; the gas tank is filled with environment-friendly gas; a cable chamber; a gas storage space is formed between the support and the gas tank; a leak-proof rod; a one-way valve; a closing frame; a drive spring; a mounting hole; a rebound spring; the swing rod is arranged on one side of the load switch and is used for switching off or switching on the load switch; the connecting rod is connected with the swing rod and the driving rod and used for transmission; one end of the driving rod is connected with the connecting rod; the gear is connected to the driving rod; the gear tooth rod is meshed with the gear, penetrates through the air box and is fixedly connected with the sealing plate; when air leakage occurs at multiple positions, the closing plate closes the air box, drives the grounding switch to be grounded and cuts off the load switch. The invention has the following beneficial effects: the primary and secondary fusion complete environment-friendly gas insulated looped network box can automatically detect the gas leakage position and seal the gas leakage position so as to restrain the leakage of environment-friendly gas.

The invention relates to the technical field of disinfection devices, and particularly discloses a medical ultrasonic probe convenient cleaning and disinfection device which comprises a cleaning box, a fixed supporting stand column is vertically installed on the side edge of the cleaning box, a lifting frame is controlled on the fixed supporting stand column through a lifting mechanism in a lifting mode, and a rotating disc is arranged in the lifting frame. The rotating disc is provided with a rotating driving mechanism in a matched mode, a plurality of rotating supporting shafts evenly distributed around the center of the rotating disc are arranged at the top of the rotating disc, the lower ends of the rotating supporting shafts are rotationally connected with the rotating disc, positioning clamping mechanisms are arranged on the rotating supporting shafts, and a synchronous rotating mechanism is arranged between the rotating supporting shafts and the rotating disc in a matched mode. A filter screen is arranged at the bottom of the lifting frame, and an elastic vibration mechanism is arranged between the rotating disc and the filter screen in a matched mode. According to the ultrasonic probe cleaning device, multi-angle cleaning of the ultrasonic probe can be achieved, the impact cleaning effect is achieved, the cleaning efficiency is high, the problem of incomplete cleaning is effectively avoided, and meanwhile vibration cleaning operation can be conducted.

The invention provides a vibration motor, comprising: a stator comprising a housing having an accommodating space and a winding accommodated in the accommodating space, the winding being arranged around a first direction and fixed to the housing; an elastic member; the end part of the rotor in the first direction is connected to the shell through an elastic piece and is suspended in the accommodating space, and the rotor comprises a first pole core and a second pole core which are arranged in the first direction at an interval, at least two magnetic steels arranged between the first pole core and the second pole core along the first direction, and third pole cores arranged between adjacent magnetic steels; each piece of magnetic steel is magnetized in the first direction, the magnetizing directions of the adjacent pieces of magnetic steel are opposite, and at least part of the rotor is wound in the winding. The vibration sensor is simple in structure, easy to assemble, small in size, high in space utilization rate and capable of providing great vibration sense under the small size.

The invention discloses refractory castable casting molding equipment for manufacturing a mutual inductor, relates to the technical field of casting molding, and aims to solve the problems that the appearance of a molded material is complete and flaws exist due to the fact that a groove or a protrusion exists on the outer side needing to be molded and pure vibration filling exists. In the vibration process, a buffer ring moves downwards, a gap is formed below the outer layer of the castable in the forming cavity, the castable in the vibration state can enter the gap, meanwhile, after a second spring rebounds, the castable in the gap can be extruded upwards, the castable impacts downwards under vibration to fill the gap of the forming cavity, and meanwhile, the forming cavity is formed. And the castable at the bottom of the outer layer can also be upwards jacked and extruded by the buffer ring under vibration, so that a shape gap required to be formed on the outer side of the forming cavity is completely filled, the vibration effect and the filling effect are improved, and meanwhile, the shape required on the outer side of the formed castable can be completely formed.

The invention belongs to the technical field of glass fiber composite materials, and particularly relates to a flame-retardant, heat-insulating and sound-absorbing composite material and a preparation method thereof. By adding zirconium oxychloride, gadolinium nitrate and other materials, the flame retardant property of the composite material is enhanced, the inflammability of the composite material under a high-temperature condition is effectively reduced, and the safety of the material under an extreme condition is improved; the introduction of the phase change material is beneficial to heat management of the material, and heat can be absorbed and stored in a high-temperature environment, so that a good heat insulation effect is provided; the materials such as the modified glass fibers and the basalt fibers are added, and the fibers have good acoustic performance and can effectively reduce noise transmission, so that the sound absorption effect is improved; therefore, the mechanical property of the material is improved, the good durability and stability of the material are ensured, and the long-term reliability of the material is ensured.

The present invention discloses an ambient air constant-current automatic sampling system and a sampling method thereof. The system includes a vacuum sampling tank, a buffer container and a switching valve. The buffer container is respectively connected to the vacuum sampling tank and the atmospheric environment through the switching valve. Through the switching control of the switching valve, the buffer container is alternately connected to the atmospheric environment and the vacuum sampling tank to achieve the pressure balance of the sampled gas. The present invention also discloses a constant-current ambient air sampling method. The present invention breaks the foreign technical monopoly on high-precision atmospheric constant-current sampling devices, ensures the accuracy of atmospheric sampling flow control, ensures the inertness of the overall gas flow path, has flexible flow control and adjustment methods, uses commonly used industrial mass-produced devices and materials, realizes consumable-free and easy maintenance, and constructs an economical and efficient fully automatic ambient air constant-current automatic sampling system, contributing to the country's atmospheric environment monitoring and governance.

The utility model provides a layered screening structure and a calcium hydroxide production device, and belongs to the technical field of calcium hydroxide production. The layered screening structure comprises a screening structure and a material guiding structure, the screening structure comprises a box body, a grinding assembly, a filter screen and a vibration assembly, the grinding assembly is arranged in the box body, the filter screen is arranged in the box body, the vibration assembly is arranged in the box body, the vibration assembly is connected with the filter screen, and the material guiding structure is arranged in the box body. The material guiding structure comprises two material guiding plates, a flexible connecting pipe, a servo motor, a ball screw pair and a screw nut pair, the two material guiding plates are oppositely arranged in the box body, the flexible connecting pipe is connected with the two material guiding plates, and the servo motor is installed on one side of the box body. According to the layered screening structure and the calcium hydroxide production device, calcium hydroxide can uniformly fall on the surface of the filter screen conveniently, the utilization rate of the filter screen is increased, and meanwhile uniform screening is facilitated.

The utility model relates to the technical field of tunnel construction, and discloses an efficient dust suction device for tunnel construction, which comprises a base, four universal wheels are fixedly mounted at the bottom of the base, a cleaning device is arranged at the top of the base, and a collecting device is arranged at the top of the base and located on the right side of the cleaning device. The collecting device comprises an air extractor arranged on the top of the base and a collecting cover communicating with the right side of the air extractor, and a protective net is fixedly installed in the collecting cover. According to the efficient dust suction device for tunnel construction, the whole device is moved through cooperation between the base and the universal wheels, air and dust are adsorbed through the arrangement of the collecting device, and the air and dust absorbed by the collecting device are filtered through the arrangement of the clearing device; and the filtered dust is collected while the air is filtered, so that the dust is prevented from floating again to influence the construction and the health of workers.

The invention relates to the technical field of cleaning equipment, in particular to a fructus sophorae surface cleaning device for fructus sophorae processing, which comprises cleaning equipment for fructus sophorae cleaning, and a stirring mechanism extending into a storage frame is mounted on a sliding table. The stirring mechanism comprises a mounting frame, a first rotating shaft rotationally mounted on the mounting frame, and a stirring brush cylinder fixedly connected to the bottom end of the first rotating shaft; a liquid conveying mechanism is detachably mounted at the top end of the second rotating shaft, and the liquid conveying mechanism comprises a liquid conveying cylinder and a reciprocating jacking structure mounted in the second rotating shaft; the reciprocating jacking structure comprises a connecting shaft and a screw, and the screw is fixedly connected to the top end of the connecting shaft and is in threaded connection with the piston block. By means of the reciprocating function and deformation of the springs, the reciprocating motion of the material frame is affected by the elastic restoring force of the springs, so that vibration is generated, the stirring brush cylinder used in cooperation with the reciprocating function is installed on the material frame, the cleaning effect is enhanced, and the cleaning uniformity is improved.

The invention discloses equipment for milling the end surface of a casting. The equipment comprises a double-sided milling machine, the transverse clamping mechanism comprises a tool base, a U-shaped clamping block is fixedly installed in the middle of the tool base, a supporting plate is fixedly installed at the top of the U-shaped clamping block, a blocking and pushing piece is installed between the two ends of the U-shaped clamping block in an up-down movable mode, and corresponding jacking blocks are installed on the two sides of the blocking and pushing piece respectively; the two sides of the tool base are each provided with a set of insertion holes, the longitudinal clamping mechanism comprises limiting rod pieces inserted into the insertion holes and a pressing oil cylinder arranged on the upper side of the tool base, and corresponding buffer springs are fixedly installed in the insertion holes in the bottoms of the limiting rod pieces respectively; and the feeding mechanism is used for conveying the workpiece to the position where the supporting plate of the transverse clamping mechanism is located. According to the clamping device, longitudinal and transverse clamping pre-tightening force can be synchronously formed on a workpiece, so that the clamping stability of a container corner fitting casting is enhanced.

The utility model discloses a cover plate, shell component and battery, the cover plate comprises a cover plate body and a limit piece arranged on the cover plate body, the cover plate body is used for being matched with a shell so as to seal a roll core in the shell; the limiting piece abuts against the roll core, a first insulating layer is arranged on the limiting piece, and the first insulating layer is located between the limiting piece and the roll core. According to the utility model, the limiting piece is arranged on the cover plate body, the limiting piece is propped against the roll core during application, the roll core is fixed between the cover plate body and the shell, and the roll core is prevented from shaking in the shell, so that the vibration and falling performance of the battery core is improved, and the service life of the battery is prolonged. Meanwhile, due to the arrangement of the limiting piece, a gap exists between the roll core and the cover plate body, and when the shell and the cover plate body are welded and sealed, the influence of high temperature generated by welding on the roll core can be reduced. Moreover, the first insulating layer is arranged between the limiting piece and the roll core, so that the limiting piece can be prevented from being electrically connected with the roll core, and short circuit of the battery is avoided.

The invention discloses a silica gel product forming mold easy to demold, and belongs to the field of injection molding. Comprising an injection molding box, a plurality of electromagnetic valves are fixedly connected to the lower surface of the injection molding box, a cooling box is arranged below the injection molding box, a box cover is arranged on the upper surface of the cooling box, a plurality of upper molds are fixedly connected to the lower surface of the box cover, and the upper molds communicate with the bottom ends of the electromagnetic valves; a partition plate is fixedly connected to the interior of the cooling box, and a lower mold is fixedly connected to the position, below the upper mold, of the upper surface of the partition plate; when the device is used, a silica gel material to be subjected to injection molding is put into the injection molding box, the electromagnetic valve is opened, so that the molding material is injected between the lower mold and the upper mold for injection molding, after injection molding is completed, the knob can be held by hand to drive the screw rod to rotate, and the injection molding box and the box cover are controlled to ascend together, so that the lower mold and the upper mold are separated; and the demolding function can be achieved conveniently.

A single-shaft high-speed vibration exciter relates to the technical field of vibration exciters, and adopts the technical scheme that the single-shaft high-speed vibration exciter comprises a driving unit and a vibration excitation unit, and the driving unit is a double-output-shaft motor; the two vibration excitation units are arranged on the two sides of the driving unit respectively, each vibration excitation unit comprises a bearing seat, a transmission shaft rotationally connected with the bearing seat and two eccentric assemblies arranged on the two sides of the bearing seat respectively, the eccentric assemblies are connected with the transmission shafts, and the transmission shafts are in transmission connection with output shafts of the double-output-shaft motors. The two excitation units are symmetrically arranged on the two sides of the driving unit, each excitation unit is provided with the two eccentric assemblies, and compared with the prior art, higher excitation force can be provided, higher rotating speed can be supported, the structure is simple, the failure rate is low, maintenance is convenient, and the service life is long; the eccentric assembly can adopt an adjustable eccentric block and is used for accurately adjusting the exciting force so as to improve the vibration condition of the vibration equipment according to the actual condition.

The invention relates to an insulator structure assembling system and method, and is applied to the field of insulator assembling, the insulator structure assembling system comprises a plurality of assembling stations arranged on a rack, and the plurality of assembling stations are respectively provided with a fixing device for fixing a steel cap; the rack is provided with a driving device used for driving the fixing devices to move circularly along the outer edge of the rack, and the rack is further provided with a plurality of vibration devices used for making the fixing devices vibrate respectively. The rack is provided with a first pressing device used for making the insulator body abut against the interior of the steel cap and a second pressing device used for making the steel foot abut against the interior of the insulator body. The automatic assembling device has the technical effects that automatic assembling of a single insulator structure is achieved, the abutting degree and concentricity among an insulator body, a steel cap and a steel foot are improved, the labor cost is reduced, time and labor are saved, multiple insulator structures can be assembled at the same time, and the production quality and production efficiency of the insulator structures are improved.

The utility model relates to the technical field of material distribution equipment, and discloses tundish dry material distribution equipment which is composed of a discharging box, a spiral material conveying rod, a feeding hopper, a material guide plate and the like, a movable cavity is formed in the material guide plate, a fixed rod is fixedly connected in the movable cavity, and a deflection plate is movably connected to the outer surface of the fixed rod in a sleeved mode. According to the utility model, the rotation of the spiral material conveying rod is utilized, the spiral blade on the spiral material conveying rod pushes the deflector rod to swing, the deflector rod can drive the deflection plate to swing in the movable cavity, and the spring can store energy in the swinging process of the deflection plate; when the tundish dry material powder falls off, the deflector rod can drive the deflection plate to continuously swing under the potential energy effect of the spring, the deflection plate is promoted to drive the knocking block to continuously knock the side wall of the movable cavity, the material guide plate is promoted to vibrate, and therefore the tundish dry material powder adsorbed on the material guide plate is promoted to fall off through vibration, and the situation that the tundish dry material powder is adsorbed on the material guide plate and influences material distribution is avoided.

The invention provides a nanometer coating drying device, and relates to the technical field of coating drying, the nanometer coating drying device comprises a tower body and a vertical spiral conveyor, the lower part of the tower body is provided with a bottom plate, the vertical spiral conveyor comprises a material conveying pipe and a rotating shaft, a conical flow guide cover is arranged between the material conveying pipe and the bottom plate, and the upper part of the flow guide cover is connected with a separation cylinder; a blanking channel is reserved between the lower end of the separation cylinder and the flow guide cover; a spiral flow guide plate is arranged on the inner wall of the separation cylinder, and a disperser is mounted on the rotating shaft. The bottom feeding mode is adopted, so that intersection of to-be-dried nano paint entering the tower body and dried nano paint rising along with hot air can be reduced, collision and adhesion of the to-be-dried nano paint and the dried nano paint are reduced, hindering of the dried nano paint rising along with the hot air is reduced, the situation of excessive drying of the nano paint is reduced, and the drying efficiency of the nano paint is improved. And meanwhile, the to-be-dried nano-coating and the dried nano-coating can be isolated through the physical separation effect of the separation barrel, and the drying uniformity can be improved.

The invention discloses a regenerated rubber crushing device, and relates to the technical field of regenerated rubber processing. Comprising a crushing chamber, and paired crushing rollers are rotatably mounted in the crushing chamber through shafts; a crushing driving mechanism for driving the crushing rollers to work is arranged on one side of the crushing chamber; a conveying pipe is arranged at the bottom of the crushing chamber; a magnetic separation table is arranged on one side of the crushing chamber. By arranging the structures such as the crushing rollers, rubber needing to be recycled can be crushed, and the crushed rubber material is conveyed into the magnetic separation table through the conveying pipe; by arranging the magnetic separation mechanism, a rotating rod can be driven to rotate on the basis of work of a magnetic separation driving part, and when a roller rolls on the inner side of an arc-shaped part of a limiting frame, an electromagnet in a corresponding mounting plate is in a working state to adsorb metal impurities in a crushed rubber material; when the rolling wheels roll at one ends of the V-shaped parts of the limiting frames, the electromagnets in the corresponding mounting plates are in a non-working state, the adsorbed materials lose the magnetic attraction force and fall into the bearing assembly, and magnetic separation and screening are achieved.

The invention relates to the technical field of adjusting valves, and discloses a pneumatic adjusting valve which comprises a valve body, a valve element, a valve cover, a pneumatic executing mechanism, a liquid inlet pipe and a liquid outlet pipe. The filtering device comprises a first through hole, a filtering plate, a vertical plate mounted on the top wall of the liquid inlet pipe, a horizontal plate fixedly connected to one side of the vertical plate and a strip-shaped hole formed in the horizontal plate; a sliding base is slidably connected into the strip-shaped hole, a first air cylinder is installed on one side of the vertical plate, and a piston rod of the first air cylinder is fixedly connected to one side of the sliding base. A second air cylinder is fixedly connected to the top of the sliding seat, a connecting plate is fixedly connected to a piston rod of the second air cylinder, a sealing plate is fixedly connected to the bottom of the connecting plate, the top of the filtering plate penetrates through the sealing plate and then is fixedly connected with the bottom of the connecting plate, and a first inserting groove for allowing the bottom of the filtering plate to be inserted is formed in the inner wall of the liquid inlet pipe; and a cleaning mechanism for cleaning the filter plate is mounted on the vertical plate. The liquid inlet pipe can be conveniently filtered.

The invention relates to the technical field of constructional engineering structures, in particular to a fabricated beam column with an anti-seismic structure. Comprising a frame column, a frame beam is arranged on one side of the frame column, the frame column is connected with the frame beam in a clamped mode through a bracket, and a shock insulation pad is installed between the bracket and the frame beam; the two steel plates are symmetrically and fixedly connected to the two sides of the frame column, the steel plates are connected with first extrusion plates in a sliding mode, and friction plates are installed between the first extrusion plates and the frame beam. The frame beam is subjected to the earthquake force effect, the first extrusion plate extrudes the friction plate to deform so as to achieve energy consumption, meanwhile, when the frame beam displaces, the friction resistance between the friction plate and the frame beam is gradually increased, and on the basis of extrusion energy consumption of the friction plate, variable force friction energy consumption is achieved; the connecting stability of the frame columns and the frame beams is improved, and the acting force of external force on the frame columns and the frame beams is weakened.

The invention discloses a numerical control turning and grinding machine tool and a working method thereof, and belongs to the technical field of grinding machine tools. The mounting hole is formed in the machine tool body, and a supporting plate is fixedly connected into the mounting hole; the number of the sliding holes is two, and the two sliding holes are both formed in the machine tool body; the bushing plate is mounted in the mounting hole, and the bushing plate is located on the supporting plate; eccentric motion of a rotating wheel is matched with the elastic effect of a spring, so that a push plate can conveniently reciprocate left and right, the reciprocating motion of the push plate drives a push rod and a rubber disc to reciprocate, and the reciprocating motion of the rubber disc enables the rubber disc to continuously knock the surface of a storage box, so that the storage box is convenient to vibrate; and therefore, the metal scraps in the storage box can be discharged from the discharging holes, and the metal scrap cleaning efficiency is optimized.

The present application relates to an impact crusher with a variety of discharge particle sizes, which includes an outer shell and a lower impact frame. The bottom of the outer shell is open, and a strap, a screen, and a positioning assembly are arranged in the outer shell. A discharge port is opened on the vertical side wall of the outer shell facing the lower impact frame, the strap is fixedly connected to the inner wall of the outer shell facing the discharge port, the positioning assembly and the discharge port are located on the same side wall of the outer shell and below the discharge port, and the vertical height of the positioning assembly is lower than the vertical height of the strap; the screen includes a main net and an auxiliary net, one end of the main net abuts against the top of the strap, and the other end is hinged to one end of the auxiliary net, the hinge axis is horizontally arranged, and the angle formed by the main net and the auxiliary net in the state of not fully unfolding opens upward, the positioning assembly is used to limit the auxiliary net away from the main net on the outer shell, and a limiting assembly is arranged between the main net and the auxiliary net, and the limiting assembly is used to keep the main net and the auxiliary net in an unfolded state. The present application has the effect of making the size of stones flowing out of the crusher meet the utilization standards of subsequent processes.

The invention relates to the technical field of seismic mitigation and isolation, and discloses a building high-damping magneto-rheological seismic isolation device which comprises a bottom plate, a vertical seat, a main plate and a reset column, through grooves are formed in the two sides of the upper surface of the bottom plate, and two sleeve blocks are slidably clamped in the through grooves. According to the high-damping magneto-rheological shock insulation device for the building, the rigidity and damping of the shock insulation support are controlled by changing the size of a magnetic field, the resonance phenomenon is effectively avoided, meanwhile, when a sliding block moves downwards, a third gear is driven to rotate, meanwhile, the third gear can drive a second gear to rotate, and therefore the shock insulation effect is improved. When a sliding block moves, a rack can carry a sleeve block to synchronously move, a reset spring is driven to stretch, the pulling force of the reset spring is applied to the sleeve block, the rack is driven to move, and a multi-buffering and damping mechanism and multi-stage buffering and damping are achieved. And the vibration can be counteracted through the reset spring and the first magneto-rheological damper, so that different types of vibration are adapted, and the vibration isolation effect is achieved.

This application discloses a housing, a vibration assembly, and a vehicle including the vibration assembly. The housing includes a polymer layer and a metal layer. The metal layer is located at the innermost layer of the housing and is made of a metallic material. The polymer layer is located at the outermost layer of the metal layer and is made of a polymer material. The housing provided by this application can convert mechanical vibration energy into heat energy for dissipation, thereby achieving noise reduction.

The animal fat oil refining device comprises a water tank and a drainage pipe, the drainage pipe is arranged at the bottom end of the rear side of the water tank, and an inner cavity of the drainage pipe is communicated with an inner cavity of the water tank; the spherical valve is arranged on the outer wall of the drainage pipe; the supporting seat is arranged at the top end of the water tank. A vertically-through water tank is formed in the front side of the bottom end of an inner cavity of the supporting seat. The number of the second supporting cylinders is four, and the four second supporting cylinders are arranged at the four corners of the bottom end of the inner cavity of the supporting base correspondingly. The number of the first supporting cylinders is four, and the four first supporting cylinders are arranged at the four corners of the bottom end of the inner cavity of the supporting base correspondingly. The device effectively solves the problems that raw materials are not uniform in particle size and easy to adhere after being cut, so that high efficiency and stability of subsequent oil refining steps are ensured, the overall oil yield and the product quality are improved, and the production cost and the equipment maintenance difficulty are remarkably reduced.

According to the vibrating screen, a first-layer screening mechanism and a second-layer screening mechanism are installed on the top and the upper portion of a rack in parallel up and down, each of the first-layer screening mechanism and the second-layer screening mechanism comprises a screen frame, an upper screen, a lower screen and an adjusting assembly, a sliding groove is formed in the middle of each screen frame, and the screen frames are installed on the rack; the upper screen is fixed at the upper end of the screen frame; the lower screen is installed in the sliding groove. The adjusting assembly comprises a driving motor, a lead screw and a moving nut. The driving motor drives the moving nut through the lead screw to drive the lower screen to move relative to the upper screen. The first blowing mechanism and the second blowing mechanism are the same in structure and are arranged below the first-layer screening mechanism and the second-layer screening mechanism respectively, and a plurality of air nozzles are evenly arranged on the portions, corresponding to the screening nets, of the screening mechanisms. According to the vibrating screen, the size of the screening hole diameter can be flexibly adjusted according to needs, and the screening requirements of materials with various particle sizes can be met through one vibrating screen.

The material recovery device comprises a reaction kettle and a scraping plate, connecting plates are arranged on the left side and the right side of the upper end of the reaction kettle, a supporting frame is arranged at the upper ends of the connecting plates, a hydraulic air cylinder is installed at the top end of the supporting frame, a moving rod is arranged in the supporting frame in a penetrating mode, and the scraping plate is connected with the hydraulic air cylinder. A connecting rod is arranged at the bottom end of the moving rod, an automatic telescopic rod is installed on the outer wall of the connecting rod, and the scraping plate is installed at the end of the automatic telescopic rod. According to the material recovery device for environment-friendly plasticizer production, a hydraulic air cylinder can drive a moving rod to move up and down, so that a connecting rod moves in a reaction kettle, meanwhile, a scraping plate on the outer wall of the connecting rod moves along with movement of the connecting rod, and the position of the scraping plate can be adjusted through an automatic telescopic rod, so that the scraping plate makes contact with the inner wall of the reaction kettle; and residual liquid on the inner wall of the reaction kettle can be scraped during moving, so that the residual liquid is convenient to collect.

The utility model relates to the technical field of organic fertilizer production, in particular to an organic fertilizer mixing and stirring device convenient to discharge, which comprises a mixing cylinder, a servo motor is fixedly connected to the top end of the mixing cylinder, a stirring rod is rotatably connected to the inner wall of the mixing cylinder, and the top end of the stirring rod penetrates through the mixing cylinder; through the arrangement of the discharging mechanism, after fertilizer mixing is completed, the interaction of a plurality of blocking plates and a discharging hopper is utilized, separation of mixed fertilizer and a stirring paddle is facilitated, the situation that the fertilizer is accumulated on the stirring paddle is avoided, meanwhile, in the discharging process, a rotating rod is utilized to drive the blocking plates to continuously rotate, the blocking plates intermittently block a discharging opening, and the discharging efficiency is improved. And meanwhile, due to the arrangement of the multiple discharging openings, the situation that the fertilizer is stacked on the stirring paddle when falling off through the discharging openings is avoided, the stirring paddle can better discharge the stirred fertilizer, and meanwhile the stability of the discharging process is guaranteed.