77results about How to "Continuous and stable feeding" patented technology

The invention discloses a high-precision electric field driven spray deposition 3D printer and a working method thereof, and solves the problems of a traditional 3D printer on multiple aspects of resolution, stability and controllability; high-precision printing of multilayer structures can be realized; the printing process is observed and monitored in real time; and high-precision pattern printing is performed on insulation substrates through electric conducting materials. The high-precision electric field driven spray deposition 3D printer comprises a mounting baseplate; a Y-axle worktable is arranged on the mounting baseplate; a vacuum absorption platform is fixed on the Y-axle worktable; a printing substrate is absorbed on the vacuum absorption platform; a printing nozzle and a vertical observation camera are correspondingly arranged above the printing substrate, and are connected to a Z-axle worktable; the Z-axle worktable is fixed on an X-axle worktable; a squint observation camera is correspondingly arranged on one side of the printing nozzle; an LED light source and a far infrared curing light source are correspondingly arranged on the other side of the printing nozzle; theprinting nozzle communicates with a storage bottle; and the storage bottle is arranged on a lifting table.

The invention discloses a screening device capable of vibrating parallel to a screen plate and an efficient screening method, and relates to the field of screening machines. The screening device is mainly composed of a main support, a screen box, a first movable frame, a second movable frame, a guide rod, an electromagnet, an exciting coil, a spring, a positioning bolt, a long pin, a feeding hopper, a screened object receiving hopper and an oversize product receiving hopper. According to the efficient screening method, the screen box is driven by the exciting coil and the electromagnet to vibrate along the screen plate face under the guide effect of the guide rod; the inclination angle theta, the screen hole diameter and screen hole distribution of the screen box are adjusted, and through control over the amplitude and the frequency of the electromagnet and the exciting coil, rapid slippage of particles on the screen plate can be achieved, and efficient screening is achieved. Accurate vibration in the direction parallel to the screen face can be achieved, the method is particularly suitable for selecting and grading of long-strip-shaped particles such as medlar, rice grains, melon seeds and long and short straw, and the problems that the error-sifting rate is high, and screening is difficult are solved.

The invention discloses a rotary feeding pulverized coal quantitative feeding and conveying device and a method. The feeding device consists of a locking hopper system, a pulverized coal looser, a pressing feeder, a pulverized coal flow meter and related control valves; the locking hopper system realizes feeding of pulverized coals from normal pressure to increased pressure; the lower part of a feeding hopper is connected with the pulverized coal looser for preventing bridge blockage of the pulverized coals; the lower part of the pulverized coal looser is connected with the pressing feeder; the continuous and stable feeding of the pulverized coals is realized through a mechanical rotary feeding mode; the lower part of the pressing feeder is connected with a pneumatic conveying device; and materials are continuously fed into reaction equipment through a pneumatic conveying mode. The feeding device realizes pressed, continuous and quantitative feeding of the pulverized coals through matching the locking hopper feeding system with the pressing feeding system and the pneumatic conveying system, guarantees the stability of the feeding system, and is convenient for operation, simple in control, accurate in metering and capable of being widely applied to feeding of the pulverized coals with different particle sizes and other solid materials.

The invention discloses a co-platform flotation column and flotation machine combined separating technology and device and belongs to mineral separation technologies and devices. The technology comprises the steps that raw ore and reagents are stirred to form ore pulp feeding, and by roughing through a roughing flotation column, two-time concentration through a concentration flotation column, multi-time scavenging on rougher tailings through a scavenging flotation machine and a scavenging flotation column and scavenging on refining I flotation column tailings through a fine scavenging flotation machine, final concentrate and tailings are obtained; at the same platform, the flotation column and the flotation machine combined separating technology is used for processing metal ore, the flotation columns are used in the roughing and concentration processes, the processing amount is large, separation accuracy is high, finally, high-grade concentrate products can be obtained, the flotation machine and the scavenging flotation column are used for carrying out multi-time scavenging on the roughing flotation column tailings, concentrate products in the tailings can be recycled to the maximum degree, refining I flotation column concentrate tailings are subjected to fine scavenging, the maximum recovery rate of the concentrate products is guaranteed, enterprise economy benefit is improved, the system technology is simple, consumed electricity is low, occupied space is small, and operation cost is low.

The invention discloses a pressurized fluidized bed gasifier, comprising: a reactor, a biomass feeder, an inert gas conveying gas source, an air balance gas source and a vapor generator, wherein the reactor is respectively connected with the biomass feeder and the vapor generator via pipelines and is used for mixing and heating the biomass powders, input through the biomass feeder, and the vapor, input by the vapor generator, to generate combustible gas. The invention further provides a method for operating the pressurized fluidized bed gasifier. The pressurized fluidized bed gasifier and the method for operating the pressurized fluidized bed gasifier according to the invention are suitable for the gasification of biomass powders at high pressure, and particularly achieve the improvement on the sealing transmission of a stirring device and a spiral feeding device in the feeder so that both adapt to the feeding of biomass powders in high-pressure environment, thus the problem that low-density fine powders tend to bridging and are not liable to enter the reactor at next stage is solved.

The invention discloses a transport vehicle intelligent scheduling system and method based on a soft and hard material ore blending proportion, and belongs to the technical field of information. The system comprises a control terminal, a user side, and a vehicle scheduling special App connected between the control terminal and the user side. The control terminal is provided with a management and control unit, and the user side comprises a loading station, a transportation station and a dispatching station; and the charging area is divided into a hard material area and a soft material area according to the hardness of the materials. The beneficial effects of the invention are that the management and control unit realizes the dispatching of the whole transportation process, and enables the proportion of the vehicle-mounted materials to be kept relatively stable. According to the scheduling method, dynamic adjustment can be carried out at any time according to the ore Principal coefficient of the material, the vehicle in the to-be-unloaded state and the specific situation of the mineral material matched in the vehicle in the to-be-unloaded state, and feeding is stably carried out in proportion; therefore, the problems that due to the crushing efficiency and the proportion and sequence of soft and hard materials during feeding, reasonable configuration of the soft and hard materials is difficult to guarantee due to external environment correlation, and feeding is conducted according to the proportion and sequence are solved.

The invention discloses a spiral feeder with an air locking valve. The spiral feeder with the air locking valve comprises a hopper, a spiral feeder, a motor, a reducing chassis, a feed inlet and a discharge outlet. The hopper is disposed at the upper end of the spiral feeder through the feed inlet, one end of the reducing chassis is connected with the motor, the other end of the reducing chassis is fixed on one side of the spiral feeder, the discharge outlet is disposed at one end of the lower side of the spiral feeder, the air locking valve is arranged in the discharge outlet, one end of the air locking valve extends into the discharge outlet, the other end of the air locking valve is arranged outside the discharge outlet to be connected with a handle, a ring of blowing pipes which are evenly distributed are arranged on the outer periphery of the feed inlet, one end of each blowing pipe faces the feed inlet and delivers cooling air into the feed inlet, and the other ends of the blowing pipes are connected with an air delivery pipeline through a hollow pipeline. The problems that the existing air locking device is complex in structure and high in operation cost can be solved, the discharge outlet is prevented from backfire, material is guaranteed to be delivered continuously and stably, feeding safety is guaranteed, and the spiral feeder with the air locking valve is simple in structure, low in cost and convenient to implement.

The invention relates to a method for continuously rolling a copper pipe through a planetary pipe mill, which is characterized in that a roller type feeder or a crawler type feeder is arranged at an inlet of a three-roller planetary pipe mill and is driven by a pipe blank rolled by the three-roller planetary pipe mill to be in a passive rotating state; the roller type feeder or the crawler type feeder passively rotates and continuously provides a feeding force for the pipe blanks at the same time, and the pipe blanks are continuously fed into the three-roller planetary pipe mill one by one in an end-to-end connection mode to be rolled. By the adoption of the technical scheme, the structure is simple, reliable and practical, the requirement for continuously rolling copper pipes is met, the defects in the prior art are overcome, and production efficiency is improved.

The invention relates to a vertical flame channel and hot bed-connected type powder material continuous melting furnace. The vertical flame channel and heating bed-connected type powder material continuous melting furnace comprises a steel shell; a weighing silo is arranged on the top of the steel shell; the material discharging opening of the weighing silo is provided with a horizontal type spiral constant feeder; the bottom of the steel shell is provided with a water sealed slag remover; a continuous melting furnace is arranged in steel shell; a flame retardant layer and a thermal insulation layer are sequentially arranged between the outer surface of the continuous melting furnace and the inner surface of the steel shell; a vertical flame channel and a hot bed are arranged in the continuous melting furnace; the bottom of the vertical flame channel is communicated with the front portion of the hot bed; the top of the vertical flame channel is provided with a first combustor and a blanking opening; the blanking opening is communicated with the material discharging opening of the horizontal type spiral constant feeder; the joint of the vertical flame channel and the hot bed is provided with second combustors; the rear side of the bottom of the hot bed is provided with a slag out-flow opening; and the slag out-flow opening is in butt joint with the feeding opening of the water sealed slag remover. The vertical flame channel and hot bed-connected type powder material continuous melting furnace of the invention has the advantages of low investment, small size, convenient manipulation, low running cost and the like.

The invention discloses an automatic loading method and device, a storage medium and an automatic loading control device. A measuring sensor is arranged on a feeding mechanism, and when a clamping device is in the state of clamping the material to be machined, through the measuring sensor, the opening degree of the clamping device is detected; the size parameter of the material to be machined is obtained; according to the opening degree and size parameters, the actual orientation state of the material to be machined is determined, accordingly, according to the preset corresponding relation between the orientation state of the material and the receiving position of a machine tool chuck, and the machine tool chuck is controlled to carry out receiving with the receiving position correspondingto the actual orientation state; through the scheme, limiting on the orientation state of the material clamped in the clamping device is greatly reduced, the device can achieve continuous stable loading for easy dialing material with the large long and short side difference or the difficult dialing material with the small long and short side difference, through the scheme, continuous stable loading can be achieved, the loading success rate and loading efficiency can be improved, and continuous machining is ensured.

The invention relates to a continuous feeding system for dispersion and accurate measurement of powder for production of rubber powder modified asphalt, which comprises a rubber powder conveyer and a storage bin, and is characterized in that a feeding mechanism is a spiral spring; a feed delivery pipe is made of a high polymer self-lubricating material; a feeding motor is a variable frequency motor; level gauges are arranged on the side wall of the storage bin; the storage bin is connected with a distributing device for accurate measurement and dispensing of the rubber powder; the distributing device mainly comprises a square cylinder-shaped shell open at top and bottom, a metering roll, a bearing seat and a rotating shaft; the distributing device is connected with a beating crusher for finely breaking the rubber powder; the beating crusher mainly comprises a square cylinder-shaped shell open at top and bottom, a steel tooth beating rod and a bearing seat; and the variable frequency motor, an upper limit level gauge, a lower limit level gauge, a stepping motor and a beating motor are connected with an automatic control system. The invention has the advantages of improving the production efficiency and product quality, saving manpower, ensuring continuous stable production of a reaction kettle, and adapting to application of the automatic control system.

The invention relates to the field of auxiliary printing equipment, in particular to an SMT welding solder paste printing device with an automatic feeding function. The SMT welding solder paste printing device can reduce solder paste waste and has an automatic feeding function. The invention discloses an SMT welding solder paste printing device with an automatic feeding function. The SMT welding solder paste printing device comprises a discharging mechanism, a solder paste recycling mechanism, a stirring mechanism, an overturning cleaning mechanism, a feeding mechanism and the like. A stirring mechanism is arranged above the discharging mechanism, an overturning cleaning mechanism is arranged above the stirring mechanism, a solder paste recycling mechanism is arranged below the discharging mechanism, and a feeding mechanism is arranged above the overturning cleaning mechanism. Solder paste is discharged through the discharging mechanism, the better discharging effect is achieved, the effect of reducing solder paste waste is achieved through the solder paste recycling mechanism, the solder paste in the solder paste tank is cleaned and the solder paste in the storage box is stirred through cooperation of the stirring mechanism and the overturning cleaning mechanism, and the solder paste in the storage box is fed through the feeding mechanism. And a better feeding effect is achieved.

The invention relates to a full-automatic control device for hot process regeneration equipment. The device comprises a material storage tank, an automatic gate valve, a flexible star-type unloader and an automatic control cabinet. The automatic gate valve is connected below the material storage tank, the flexible star-type unloader is connected below the automatic gate valve, and the automatic control cabinet is connected to the automatic gate valve and the flexible star-type unloader. The device overcomes the problem that existing hot process regeneration equipment cannot feed materials stably under circumstances of high purities and large particles and cannot feed the materials automatically, plays roles of controlling feeding automatically and feeding the materials stably still under the circumstance of high impurity particles of the materials, and has the functions of controlling feeding automatically and controlling stable feeding to achieve full-automatic precise quantitative and continuous stable feeding by hot process regeneration.

The invention relates to the technical field of glass manufacturing equipment, and discloses a batching system for glass production. The batching system comprises a rack and a feeding conveyor belt connected to the rack, the feeding conveyor belt is connected with a stirring mechanism, the stirring mechanism comprises two stirring units, and an adjusting mechanism used for adjusting the feeding conveyor belt to be intermittently connected with one of the stirring units is arranged on the feeding conveyor belt; and the stirring units are connected with a high-temperature air inlet part and a water inlet part. By arranging the two stirring units and the adjusting mechanism, continuous and stable feeding can be achieved through the feeding conveyor belt, and the problem that in the prior art,energy of a kiln head in a batching system for glass production is wasted seriously is solved.

The invention belongs to the technical field of aluminum oxide production, and particularly relates to a circulating mother liquor feeding device for producing aluminum oxide and a feeding method. According to the circulating mother liquor feeding device, a static mixer is horizontally installed on the top of a circulating mother liquor groove to make evaporation mother liquor and caustic soda liquid which come from an evaporator station enter from one end of the static mixer, the discharging position is 5 m or above higher than the tops of the mother liquor groove and a desilicication groove, circulating mother liquor automatically flows to the process of raw material grinding and predesilicification by means of residual pressure and a height difference, and the circulating mother liquor groove is only used for temporary storing when the evaporator station is shut down for maintenance. According to the circulating mother liquor feeding device and the feeding method, the process is simplified, the number of power devices is decreased, the energy is saved, the consumption is reduced, the workload of repair and maintenance is reduced, input of pipelines, valves, pipe fittings and the like is reduced, the investment is reduced, the construction investment can be reduced by about three million RMB, and the operating cost is reduced by about 5.65 million RMB.

The invention provides a cam-lever-type automatic feeding device and belongs to the technical field of machining and mounting auxiliary equipment. The cam-lever-type automatic feeding device is provided with a rack and a worktable arranged on the rack. The worktable is provided with a feeding mechanism and a power mechanism, the feeding mechanism is mounted on the table top of the worktable, and the power mechanism is mounted on the rack and comprises a cam driving assembly and a lever power assembly. The cam driving assembly drives the feeding mechanism to conduct compound motion simultaneously in the X-axis direction and the Y-axis direction by driving the lever power assembly. The cam-lever-type automatic feeding device is reasonable, simple and effective in structural design; to-be-machined workpieces can be continuously and stably fed quickly and efficiently; and in addition, the cam-lever-type automatic feeding device is low in failure rate, so that the overhauling and maintenance cost is lowered, the production efficiency of the cam-lever-type automatic feeding device is improved in an assisted mode, and the needs of production and use are met.