133results about How to "Control the output speed" patented technology

The invention relates to a thermoplastic composite solid propellant and a preparation method thereof, and belongs to the technical field of composite solid propellant preparation. The invention relates to the thermoplastic composite solid propellant and the preparation method thereof. The melting temperature of the thermoplastic composite solid propellant is lower than 95 DEG C on the premise thata solvent and a liquid plasticizer are not added, the viscosity of molten slurry is low, the safety performance is excellent, and additive manufacturing of the composite solid propellant can be achieved through a fused deposition technology; the energy level of the thermoplastic composite solid propellant is equivalent to that of a medium-energy thermosetting propellant, and the thermoplastic composite solid propellant can be used as a power source of a complex-drug-type solid engine and a layered variable-thrust solid engine in the future.

The invention discloses a rapid high-precision batching device. The device is characterized by comprising a belt type conveying device, a stock bin, a stop device, a weighing hopper and a control system. The stock bin is arranged above the conveying belt in a matched mode, the bottom of the stock bin is slightly higher than the conveying belt, the stock bin is used for storing materials and comprises a stock bin main body and a bin door, the stop device is fixed to the conveying belt in a matched mode, located above the conveying belt and perpendicular to the conveying belt, the stop device islocated behind the stock bin in the moving direction of the conveying belt, the weighing hopper is arranged below the tail end of the conveying belt in a matched mode, and the control system is usedfor receiving the data of the weighing hopper and calculating and controlling work of the belt type conveying device, the stock bin and the stop device. The device can achieve rapid feeding, medium-speed feeding, slow feeding and accurate feeding, is high in feeding precision, high in speed, suitable for solid granules, powder and adhesive mixed materials, small in repetition control precision deviation and free of caking.

The invention relates to an automatic feeding device of a construction waste crusher, and relates to the technical field of construction waste treating equipment. The automatic feeding device comprises a machine body, wherein a charging opening is formed in the machine body; a feeding device for delivering materials to the charging opening is arranged at a position, on one side of the machine body, of the charging opening, and comprises a bottom plate; a tank body which is perpendicular to the bottom plate is arranged on the bottom plate; the end, far away from the bottom plate, of the tank body extends to a position higher than that of the charging opening; the feeding device further comprises a moving rod which is arranged between the tank body and the charging opening in the horizontaldirection; a sliding block which is connected to the inner part of the tank body in a sliding manner is arranged at one end of the moving rod, and a feeding box is arranged at the other end of the moving rod; the upper part of the feeding box is opened; a lifting driving mechanism for driving the sliding block to drive the feeding box to move to a position higher than that of the charging openingis arranged in the tank body; a material delivering device for delivering construction waste into the charging opening when the feeding box moves to the position higher than that of the charging opening is arranged on the feeding box, so that the construction waste is convenient to deliver into the machine body.

The invention discloses a fertilizing device for agricultural use. The fertilizing device for agricultural use comprises a pedestal, a solid material box and a liquid material box; universal wheels are fixedly arranged at the four corners of the bottom end of the pedestal through supporting legs; the solid material box and the liquid material box are fixed on the pedestal; the solid material box is arranged on the left side of the liquid material box; a stirring device is arranged in the solid material box; the stirring device comprises a stirring motor, a stirring rod and a stirring paddle; the upper end of the solid material box adopts a cuboid structure and the lower end of the solid material box adopts a funnel-shaped structure; the bottom end of the solid material box is provided witha discharging port in the pedestal; and a first electric telescopic rod is fixedly arranged at the top end of the internal part of the pedestal on the left side of the discharging port. The fertilizing device for agricultural planting is provided with the solid material box and the liquid material box so as to perform fertilizing utilization on different types of fertilizer and save the use costof various fertilizing device, and performs rotary spraying in a retaining disk so as to prevent a discharging spray head from being blocked and realize uniform spraying.

The invention provides a material mixing and plastering method for ceramic tiles. A machine frame, a stirring device, a material distribution device and a ceramic tile positioning and conveying deviceare included. The material mixing and plastering method for the ceramic tiles includes the following steps that raw materials are added in the stirring device, and then the stirring device is startedto stir the raw materials to form an ash material; in the raw material stirring process, the ceramic tiles to be subjected to plastering are placed on the ceramic tile positioning and conveying device and are positioned, and the material distribution device is lowered to the upper surfaces of the end portions of the ceramic tiles; a discharge port of a stirring hopper device is opened after stirring is completed and the stirring device is stopped, the ash material subjected to stirring forming is fed into the material distribution device, and the discharge port of the stirring hopper device is closed after the material distribution device is full filled with the ash material; the material distribution device is lifted, the ceramic tile positioning and conveying device is started at the same time so that the ceramic tiles can move on the ceramic tile positioning and conveying device, the ash material falls onto the ceramic tiles along with movement of the ceramic tiles, and the ash material is smoothed through the bottom of the material distribution device; and the multiple ceramic tiles sequentially move on the ceramic tile positioning and conveying device to be subjected to plastering till the ash material in the material distribution device is used up.

Provided is a method and device for automatically controlling the discharging amount of waste plastics. The method comprises the following steps that (1) the feeding amount of a stock bin and the discharging speed of the waste plastics in the stock bin are preset through a controller; (2) materials are fed into the stock bin, feeding is stopped when the preset feeding amount is reached, and the gross weight of the stock bin is weighed; (3) the stock bin is made to conduct blanking operation through the controller, the variable quantity of the gross weight of the stock bin is calculated within a certain period, the actual average value of the discharging speed of the waste plastics inside the stock bin in the period is calculated according to the variable quantity, and the actual average value and the preset value of the preset discharging speed are compared to obtain feedback signals; (4) the feedback signals are conveyed to the controller, and the controller is made to control the discharging speed of the waste plastics inside the stock bin. According to the method and device for automatically controlling the discharging amount of the waste plastics, the weighing mode is used, the discharging amount of the needed wasted plastics can be accurately controlled, weighing is accurate, efficiency is high, and the quality of products is guaranteed.

The invention provides a seed cleaning device comprising a hopper, a screening box, a liquid separating cylinder and a control cabinet. The bottom of the feeding hopper is connected with a screening cylinder through a connection pipe. A baffle is arranged in the screening box. The side wall of the screening box is provided with an air blower. An output opening of the air blower is connected with an air intake pipe. The liquid separating cylinder is arranged under the screening box. A wizened seed filtering cavity is arranged on the outer side of the top of the liquid separating cylinder. A discharging box is fixedly connected with a bottom discharging opening of the liquid separating cylinder. A conveyer belt is arranged below the discharging box. A water trough is arranged below the conveyer belt, and multiple water holes are formed in the surface of the conveyer belt. A water tank is arranged on one side of the liquid separating cylinder. One side of the liquid separating cylinder and one side of the water tank both extend into the water trough through water pipes and water pumps. A drying box is arranged below the tail end of the conveyer belt. The seed cleaning device achievesautomatic machining of seeds, reasonably utilizes resources, reduces cost and improves the seed quality.

The invention discloses a feed hopper with a screening function, and relates to the technical field of material feeding. The feed hopper with the screening function comprises a shell, wherein a clamping plate is fixed to the inner surface of the shell and is in snap fit to a screening barrel; a cavity is arranged on one end surface of the screening barrel; a penetrating hole is formed in one end surface of the screening barrel; through holes are uniformly formed in the inner surface of the cavity in an array way; a first limiting ring is fixed to the peripheral side surface of the screening barrel; four rectangular grooves are formed in one end surface of the screening barrel; four rectangular blocks are fixed to the peripheral side surface of the clamping plate and are in snap fit to thefour rectangular grooves; a first connecting rod is fixed to one surface of the clamping plate; stirring blades are fixed to the peripheral side surface of the first connecting rod; an air cylinder isfixed to one end surface of the first connecting rod; and a servo motor is fixed to one end surface of the air cylinder. According to the feed hopper with the screening function provided by the invention, the servo motor drives the clamping plate to rotate, the clamping plate is in snap fit to the screening barrel so as to drive the screening barrel to rotate, and under the actions of the stirring blades and the centrifugal force, impurities of materials are separated into the cavity, so that an extra impurity removal process is avoided, and manpower and material resources are saved.

The invention discloses a sorting and throwing method of particle and powder particle fertilizer, and seeds. The sorting and throwing method comprises following steps: 1, fertilizer or seeds are thrown into a sorting and throwing device; 2, primary screening is carried out; 3, seeds or fertilizer is introduced into discharging pipes; 4, material distributing rotating cylinders are driven to rotate, wherein material distributing grooves are designed to shape like a seed or be capable of accommodating a plurality of fertilizer parts; 5, only one seed or fertilizer of a same amount is dischargedwhen each material distributing groove is driven to pass through and move back from a corresponding inlet. The sorting and throwing method is capable of realized uniform and quantified discharing of seeds or fertilizer, ensuring excellent control on sowing amount and fertilizing amount of soil in a certain distance in moving forward process of a working vehicle, controlling discharging speed and quality, improving sowing and fertilizing uniformity, realizing one by one throwing of seeds and throwing of one seed in a unit time period, and realizing throwing of fertilizer of the same volume in aunit time period.

The invention belongs to the technical field of rock and soil tests, and in particular relates to a special mixing equipment for rock and soil tests. The technical problem to be solved by the present invention is to provide a special mixing equipment for rock and soil test specimens with good mixing effect, saving manpower and time, fast mixing speed and high working efficiency. In order to solve the above-mentioned technical problems, the present invention provides such a special mixing equipment for rock and soil test specimens, including a bottom plate, a bracket, legs, a mixing box, a top plate, a left and right moving device, a cross bar, a first pulley, a second Pulleys, mixing devices, pull wires, etc.; the top of the bottom plate is vertically installed with brackets by means of bolt connection, outriggers are installed on the top of the bottom plate between the two brackets, a mixing box is installed on the top of the legs, and the top between the two brackets is passed The way of bolting is installed horizontally with a top plate. The invention achieves the effects of good mixing effect, saving manpower and time, fast mixing speed and high working efficiency.

The invention discloses a fertilizer storage box capable of improving fertilization quality and efficiency. The fertilizer storage box capable of improving fertilization quality and efficiency comprises a materiel storage box body. A plurality of materiel feeding ports are arranged at the top of the materiel storage box body. A screen cloth is arranged below the materiel feeding ports. A pluralityof material discharging pipes are connected with the bottom of the materiel storage box body. A material dividing box is arranged under the material discharging pipes. A plurality of cylinder-shapedmaterial dividing cavities are arranged in the material dividing box. Material dividing rotary drums are arranged in the material dividing cavities and a plurality of material dividing grooves are arranged on the side walls of the material dividing rotary drums. Inlets are arranged on the walls of the tops of the material dividing cavities and the bottoms of the material discharging pipes communicate with the inlets. Outlets are arranged on the walls of the bottoms of the material dividing cavities. According to the fertilizer storage box, particle fertilizer can be contained and reserved during the course of fertilization and the discharging of the fertilizer can be uniform and quantitative when the fertilizer needs to be applied, so that good control of the fertilization capacity of soilat a distance can be guaranteed during the advance of a tumbril, at the same time the soil at the distance can be fertilized uniformly, the material discharging speed and quality can be controlled and the fertilization effect can be improved.

The invention discloses a method for processing a fruit and vegetable beverage by efficiently carrying out enzyme-killing color protection. The method is characterized in that in the process of processing the fruit and vegetable beverage, when the pressure of steam in a steam tube of a fruit-vegetable enzyme killing and crushing plant reaches 0.15 to 0.18 MPa and the temperature of the steam reaches over 110 DEG C by regulation, cleaned fruit and vegetable raw materials are directly put into the inner cavity of the plant through a material feeding opening and a crushing tool is simultaneouslystarted; when the material temperature at a discharge port reaches over 85 DEG C, the discharge port is opened; and the materials discharged from the discharge port are blended, clarified, sterilizedand aseptically filled to obtain the fruit and vegetable beverage finished product. The method disclosed by the invention has a reasonable process equipment design; process parameters are properly selected; the method is very suitable for crushing and enzyme killing of fruits easy to brown and has excellent enzyme-killing color protection and fruit and vegetable crushing effects; the problem of great loss of the content of soluble solids in fruits, which is caused by blanching enzyme killing is solved; and the method has the advantages of short heat treatment time and low equipment investment. The method disclosed by the invention is very suitable to popularize and apply in the actual production.

The invention discloses a tea uniform blending machine. The tea uniform blending machine comprises a uniform blending opening, a coveyer belt, a control box and a uniform blending box. A tea speader assembly, an upper end control cabin, a lower end control cabin and a discharging pipe are arranged in the control box from top to bottom in order. A separation plate is arranged between the upper end control cabin and the lower end control cabin. A plurality of shutter doors are distributed on the separation plate in order. Tea is subjected to secondary uniform blending in the control box, then goes into the uniform blending box and is subjected to third uniform blending. The structure is simple and compact, and the production cost is low. Uniform blending for three times are carried out by utilization of the uniform blending opening, the control box and the uniform blending box, and tea is mixed uniformly. Automatic control of all the parts is carried out through a controller, labor is saved greatly, the production efficiency is raised, the health degree is raised, and stability of product quality is ensured. There are two control cabins, when the second control cabin at the bottom is full of materials, the shutters are closed, then the first control cabin is used for material storage, production continuity is ensured, reasonable distribution of work personnel is achieved and labor cost is lowered.

The invention discloses an oxygen-supplying and feeding device for a fish tank. The oxygen-supplying and feeding device comprises a counterweight base, a support plate and a storage tray, wherein a box body is arranged on the upper-left side of the counterweight base; a plurality of accommodation drawers are arranged on the box body; the support plate is vertically arranged on the upper-right end of the counterweight base; a driving shaft is arranged on the support plate in an insertion way; the left end of the driving shaft passes through the support plate, and is connected with a speed reducer on the left side of the support plate; the input end of the speed reducer is connected with a servo motor; the storage tray is arranged at the right end of the driving shaft; the storage tray is a cylindrical tray body which is hollow inside; the storage tray is made of a transparent material; a charging door is fixed to the front side of the storage tray through hinges; a lock catch is arranged at a movable end of the charging door; an arc-shaped surface of the storage tray is provided with a plurality of discharging holes; a discharging tray on the right side of the discharging holes is provided with a sliding fixing block; an adjustment baffle plate is arranged on the sliding fixing block in a sliding way; a driven shaft is rotationally arranged on the support plate below the storage tray. The oxygen-supplying and feeding device has a simple and reasonable structure, automatic feeding of the device is realized, and convenience is brought to feeding of fishes.

The invention discloses a feeding bin for an X-ray machine. The feeding bin has a feeding port and a feeding port. The outside of the feeding bin is a square, and a fixed block is arranged on the On the top of the outer surface where the outlet is located, a baffle is fixed directly above the discharge port, and two waist-shaped holes are opened on the left and right sides of the baffle, and each waist-shaped hole passes through each of the bolts Fix the baffle on the fixing block. Beneficial effects of the present invention: the discharge speed can be better controlled to avoid excessive discharge speed, and the X-ray machine can be better sensed, so that the dehydrated vegetables can be screened better, ensuring the hygiene of food Safety.

The invention discloses a portable stirring device for food production and processing. The portable stirring device comprises a bottom plate, four corners of the bottom of the bottom plate are fixedlyconnected to support columns, the top of the bottom plate is fixedly connected to a stirring box, the bottom in the right side of the stirring box is communicated with a discharge pipe, the top of the stirring box is fixedly connected to a storage box 1, the top of the inner wall of the storage box 1 is fixedly connected to a motor 1 and an output end of the motor 1 is fixedly connected to a rotation rod. Food raw materials are poured into a feeding hopper, a motor 2 drives a transmission rod to rotate, and the transmission rod drives the food raw materials to move upward through a spiral piece so that the raw materials slide down into the stirring box. The portable stirring device is convenient in feeding into the stirring device, solves the problem that the height of a feeding inlet ofthe stirring device is high and the feeding difficulty of the stirring device is high, has strong practicability and is easy to use.

The invention discloses a slicing device for traditional Chinese medicine processing. The slicing device comprises a processing table, two first sliding grooves are oppositely formed in the two sidesof one end of the top of the processing table, sliding blocks are slidably connected into the first sliding grooves, a second push plate is fixedly connected to the tops of the two sliding blocks, a limiting mechanism is arranged on the side, close to the first sliding grooves, of the top of the processing table, a cutting mechanism is arranged on the side wall of the end, close to the limiting mechanism, of the processing table, the cutting mechanism comprises a protective cover, a cutter outlet is formed in the side, opposite to the limiting mechanism, of the protective cover, a cutting blade is slidably connected into the cutter outlet, in the interior of the cutting mechanism, a cam is driven to rotate by means of a second motor, and the cutting blade reciprocates towards the cutter outlet side by means of a protrusion of the cam. According to the slicing device, the cutter outlet speed of the cutting blade can be adjusted by adjusting the rotating speed of the cam, manual work isreplaced by a mechanical transmission mode, the situation that the cutting efficiency is reduced due to fatigue in the later period of cutting is avoided, and the thickness of medicinal material slices can be controlled by controlling the rotating speeds of the two motors.

The invention relates to a urea formaldehyde foam plant cultivation medium grinder which is characterized by comprising an oblique grinding cylinder, wherein the front end of the oblique grinding cylinder is low, and is provided with a material inlet which is open upward; a material charge hopper is welded at the material inlet; the middle part of the grinding cylinder is provided with a transparent observation window; the tail end of the grinding cylinder is high, and is provided with a material outlet which is open downward; a material discharge sleeve is welded at the material outlet; the material discharge sleeve is internally provided with a drawable screen; a frequency conversion motor speed regulator is connected above the tail end of the grinding cylinder through a platform, and the output end of the frequency conversion motor speed regulator is connected with a small belt wheel; the small belt wheel is connected with a large belt wheel through a belt; the large belt wheel is connected with a main shaft which penetrates through the grinding cylinder and is rotatably connected with the grinding cylinder; packing augers are respectively welded at two ends of the main shaft; a plurality of pairs of stirring teeth are arranged between the two packing augers at intervals; each pair of stirring teeth are radially and symmetrically arranged, and are crossed with adjacent stirring teeth by 90 degrees; the front end of the bottom of the grinding cylinder is provided with a fixing support connected with a pair of front vehicle wheels, and the rear end of the bottom of the grinding cylinder is provided with a height adjusting support connected with a pair of rear vehicle wheels; and the grinding cylinder is provided with a control panel. The urea formaldehyde foam plant cultivation medium grinder provided by the invention can be widely used for grinding urea formaldehyde foam media with different grain diameters.

The invention discloses a rapid quantitative loading system for a common use an ordinary train and a container train. The rapid quantitative loading system for the common use of the ordinary train andthe container train comprises a PLC centralized control center, a vehicle identification module and an accident carriage processing module, wherein the vehicle identification module is connected withthe PLC centralized control center; the vehicle identification module is used for reading a loading wagon number and a carriage serial number, the loading wagon number and the carriage serial numberreceived and read by the PLC centralized control center are compared with preset to-be-loaded wagon number and carriage serial number, if consistent, the PLC centralized control center controls the carriage corresponding to the carriage serial number to be loaded; the accident carriage processing module is used for reading an accident wagon number and an accident carriage serial number, and the PLC centralized control center receives and skips the accident carriage serial number. The rapid quantitative loading system for the common use of the ordinary train and the container train has the beneficial effects that the rapid quantitative loading of the ordinary train and the container train is realized in a combined mode, the loading efficiency is improved, a stockpiling area is polluted by asecondary transportation and loading of a loading machine or a simple belt conveyor is reduced, and the labor intensity of workers is reduced synchronously.

The invention discloses an efficient metal powder raw material mixing device of a 3D printer. The device comprises a first raw material box and a second raw material box, a first motor is installed at the top of the first raw material box, the output end of the first motor is fixedly connected with a first rotating shaft, a first belt pulley is installed on the first rotating shaft, the first belt pulley is connected with a second belt pulley through a belt, the second belt pulley is installed on a second rotating shaft, the first rotating shaft and the second rotating shaft extend into the first raw material box and the second raw material box respectively, and stirring blades are installed on the first rotating shaft and the second rotating shaft. The first rotating shaft is driven by the first motor to rotate, the first belt pulley drives the second rotating shaft to rotate through a belt, raw materials needing to be mixed are stirred in advance through the stirring blades on the first rotating shaft and the second rotating shaft, and some caked large-particle powder can be stirred and crushed, so that the subsequent mixing effect is better.

The invention discloses plastic pipe extrusion molding equipment and a control method thereof. The plastic pipe extrusion molding equipment comprises an extrusion device and a forming die, and furthercomprises a speed detection device and a flow speed control device, wherein the extrusion device melts and extrudes plastic particles; the forming die is connected with a discharge port of the extrusion device through a first conveying pipe so as to extrude an inflowing molten material through a die head in the forming die and form plastic pipe parisons, and the plastic pipe parisons are segmented by an automatic cutting device in unit time; the speed detection device is used for detecting the discharging speed of the die head of the forming die in real time; and the flow speed control deviceis connected with a branch port of the first conveying pipe so as to divide or converge the molten materials flowing out of the discharge port of the extrusion device and further adjust the dischargespeed of the forming die head. According to the extrusion molding equipment, the output speed of the extruded plastic pipe parisons can be correspondingly adjusted and controlled, so that the lengthof the plastic pipe parison extruded in each period is uniform, the meter weight is similar, the material waste is reduced, and the defective rate of finished products is reduced.

The invention discloses a fertilizing device for agricultural planting. The fertilizing device comprises a base, a solid material tank and a fluid material tank, wherein universal wheels are fixedly arranged at four corners of the bottom end of the base through supporting legs; the solid material tank and the fluid material tank are both fixedly arranged on the base; the solid material tank is arranged at the left side of the fluid material tank; a stirring device is arranged in the solid material tank; the stirring device comprises a stirring motor, a stirring rod and stirring paddles; the upper end of the solid material tank is of a cuboid structure, and the lower end is of a funnel-shaped structure; a material outlet is formed in the bottom end of the solid material tank and located inthe base; a first electric telescopic rod is fixedly arranged on the top end of the inner part of the base at the left side of the material outlet. According to the fertilizing device for the agricultural planting, disclosed by the invention, through the arrangement of the solid material tank and the fluid material tank, different types of fertilizer can be fertilized and utilized, and the using cost of various fertilizing devices can be saved; meanwhile, rotary spraying is carried out in a baffle disc, so that not only a material discharging spray nozzle can be prevented from being blocked, but also the spraying is uniform.

The invention discloses a micro tillage machine with fertilization function, which comprises a vehicle plate; a symmetrical side plate is fixedly connected to the bottom of the left side of the vehicle plate, and driving wheels are arranged between the side plates; a symmetrical The runner is connected to the horizontal shaft through a magnetic coupling; the outer surface of the runner is distributed with rotary tillage blades; the right side of the car plate is equipped with a fertilizer uniform spreading device. The present invention effectively solves the contradiction between the volume and the mobility of the tiller by providing the rotary tiller blade and the magnetic coupler which can be rotated and contracted, and is convenient for transportation and movement; Compact the opened ditch to ensure the effect of ditching; the invention is equipped with a fertilizer uniform spreading device, which prevents the discharge pipe from being blocked by providing a spiral blade, and controls the discharge speed by providing a moving plug that moves up and down. There is a sprinkler plate to spread the fertilizer evenly, improve the uniformity of fertilization and save fertilizer.

The invention discloses an electroplating solution filtering device. The electroplating solution filtering device comprises a bottom plate, a barrel body is arranged at the top of the left side of thebottom plate, the surface of the barrel body is fixedly connected to the top of the bottom plate through a connecting frame, a sealing cover is fixedly mounted at the top of the barrel body through abolt, and a concave-shaped filtering barrel located in the barrel body is fixedly mounted at the bottom of the sealing cover through a bolt. According to the electroplating solution filtering device,a scraping mechanism is driven by a transmission mechanism through a rotary rod to scrap the inner wall of the barrel body to a certain degree, then water in a water tank is injected into the barrelbody through a cleaning mechanism to clean, thus crud is discharged through a discharging pipe, the advantage that the inner wall of a fixing barrel is conveniently cleaned is achieved, and the problem that a fixing barrel of an existing filtering device is not provided with a certain cleaning mechanism, consequently the inner wall of the fixing barrel is prone to being tainted with much impurities after a long time using, cleaning is conducted by a user with a hand tool after a cover is opened, and the cleaning efficiency is lowered is solved.