63results about How to "Control feeding speed" patented technology

The invention discloses a bamboo fiber / polylactic acid composite material and a preparation method thereof. The bamboo fiber / polylactic acid composite material specifically comprises the following rawmaterials in parts by weight: 60-80 parts of polylactic acid, 10-30 parts of talcum powder, 3-15 parts of modified bamboo fibers, 2-15 parts of a flexibilizer, 0.1-0.3 part of a coupling agent, 0.1-0.3 part of an antioxidant, 0.2-0.6 part of an auxiliary antioxidant, 0.2-0.5 part of a lubricating agent, 0.2-1 part of a nucleating agent, 0.1-0.3 part of an anti-floating fiber agent and 0.5-3 partsof a hydrolysis resistance agent. According to the composite material disclosed by the invention, the bamboo fibers are modified and thermally treated, the bamboo fibers and talcum powder are treatedby using the coupling agent, and according to a certain mixing sequence and suitable extrusion process parameters, the problems that the bamboo fiber / polylactic acid composite material is rough in surface and has silver filaments and local black spots and the compatibility between the polylactic acid and the bamboo fibers is poor are solved.

The invention relates to the technical field of processing machinery of agricultural products and discloses a differential pressing roller type peony seed unshelling and cleaning device. The differential pressing roller type peony seed unshelling and cleaning device comprises an enclosure, wherein a feeding hopper is arranged above the enclosure; the enclosure is internally provided with a shell crushing system, a separation system and a winnowing system; the shell crushing system comprises two pressing rollers of which the roller surfaces have different linear speeds; the separation system comprises a rotary drum, a plurality of scraping plates which are arranged on the circumference of the rotary drum and are arranged along the axial direction of the rotary drum, and an impacting baffle which is arranged on an inner wall of the enclosure and is used for blocking materials and thrashing seeds and shells; the winnowing system comprises a packing auger which is arranged at one side below the rotary drum and a draught fan arranged at the other side below the rotary drum; the packing auger is parallel to the rotary drum; a discharging hole is formed in a part, located at a conveying terminal of the packing auger, on the enclosure; the direction of an air outlet of the draught fan is set to be inclined upwards and tangent to the upper part of the packing auger; an impurity discharging hole is formed in a position, opposite to the air outlet of the draught fan, on the enclosure. According to the differential pressing roller type peony seed unshelling and cleaning device, the peony seeds and shells are completely separated through a two-step method and a plurality of times of winnowing.

The invention provides an automatic pyrotechnic composition mixing system. The automatic pyrotechnic composition mixing system comprises an oxidant feeding unit, a reducing agent feeding unit, a mixing unit and a collecting unit; the mixing unit comprises a mixing cavity, an air blower and nozzles; one end of each of the plurality of nozzles penetrates through the bottom of the mixing cavity and the other ends of the nozzles are connected with the air blower through pipelines; the oxidant feeding unit and the reducing agent feeding unit are arranged on the two sides of the mixing cavity respectively; and the collecting unit is arranged at the top of the mixing cavity. With the adoption of the automatic pyrotechnic composition mixing system provided by the invention, the technical problems of a pyrotechnic composition mixing manner in the prior art that dangers are relatively great and explosion is easy to occur are solved.

The invention discloses a high-speed turning belt conveyor line, and relates to the technical field of belt conveyor lines. The high-speed turning belt conveyor line comprises a conveyor belt, wherein a belt feeding device is fixedly arranged at the right end of the upper surface of the conveyor belt; a cover pressing device is fixedly arranged on the left side of the belt feeding device and above the conveyor belt; a high-speed turning device is fixedly arranged on the left side of the cover pressing device and between conveyor belts; and a collecting device is fixedly installed below the left end of the conveying belt. According to the high-speed turning belt conveyor line provided by the invention, by additionally arranging the turning device and adjusting the speed of a turning acceleration wheel, the purpose of adjusting the turning speed is achieved, so that high-speed turning of belt conveying is achieved; a buffering acceleration device and a position adjusting device are additionally arranged, so that through cooperation of the buffering acceleration device and the position adjusting device, materials are not damaged during turning acceleration and the smoothness in turning is realized, and meanwhile, the belt feeding position of the final material on the next conveying belt can be controlled; and the belt feeding device is additionally arranged, so that the feeding speed is increased, and meanwhile, the cost of the whole device is reduced.

The invention provides a fruit excellent selection device with a material distributing box structure. The fruit excellent selection device with the material distributing box structure mainly comprisesa fruit washing-airdrying device, a feeding and distributing device, a transmission device, a control box (an industrial camera), a defective product screening and collecting device and a roller washing device. After fruits pass through the fruit washing-airdrying device, the fruits are dried once again through air in a feeding device, and enters grooves in a conveying belt, then a baffle guarantees that the fruits are conveyed into a distributing device in a single layer mode, the fruits after being allocated by the distributing device are conveyed in a preset posture to a roller conveying belt, the distributing device is provided with sensors of the same quantity as the fed fruits, thereby accurately sensing the quantity of the fruits fed each time, and the distributing device can temporarily store the fruits conveyed from the feeding device. The fruits on the roller conveying belt are first identified by the industrial camera, and then is blown out at a certain angle by a pneumaticmechanism, and the fruits are enabled to fall into a fruit grading box in a certain parabola mode, and then respectively fall into collection boxes of different grades.

The invention relates to a preparation method of a solid phosphoric acid catalyst. The preparation method of the solid phosphoric acid catalyst comprises the steps of salt-forming reaction of niobium boron phosphate compound salt, forming of the solid phosphoric acid catalyst, and the like, so that the solid phosphoric acid catalyst is obtained. The invention further discloses a vibration type directional fine powder feeder and a feeding method of the feeder; the feeder and the feeding method are applied to the preparation method of the solid phosphoric acid catalyst. According to the preparation method of the solid phosphoric acid catalyst, the vibration type directional fine powder feeder applied to the preparation method as well as the application of the feeder, the production cost is reduced, and both the activity and the degradation in water of the solid phosphoric acid catalyst are improved, so that the solid phosphoric acid catalyst can be widely applied to large-scale industrial production.

The invention discloses an extrusion tool for a plastic tubular product, and relates to the technical field of extrusion of plastic products. The extrusion tool disclosed by the invention comprises a supporting device, a feeding device, a stirring device, a heating device, an extruding device, a cutting device and a cooling device; the supporting device comprises a bearing plate and a supporting column; the upper surface of the bearing plate is connected with the lower surface of the supporting column; the feeding device comprises a feeding hopper; the stirring device comprises a transmission element and a stirring rod; the heating device comprises a shell; the lower surface of the shell and the upper surface of the bearing plate are welded together; the extruding device comprises a speed adjusting motor; the lower surface of the speed adjusting motor is connected with the upper surface of the supporting column; the cutting device comprises connecting plates; the cooling device comprises a cooling bin; and the outer surface of the cooling bin is connected with the inner surfaces of a plurality of connecting plates. According to the extrusion tool provided by the invention, under the rotation of an extrusion roller, an extruded plastic pipe is pushed out of an extrusion barrel through protruding threads on the surface, the plastic pipe is conveniently separated from the extrusion barrel, and the pushing speed of the extrusion roller can be adjusted through the speed adjusting motor, so convenience is provided for formation of plastic powder.

The invention provides an energy-saving and environment-friendly aquaculture fish, shrimp and crab multifunctional feed feeder, which comprises a fixing seat and a mounting post vertically fixed on the fixing seat, a first fixing plate is fixedly installed on the mounting post, and the installation A first fixed block is fixedly installed on the column, and a support rod is fixedly installed on the installation column, and the support rod is located above the first fixed block, and the first fixed block is located above the first fixed plate. A feeding device is installed on the left side of the first fixed block, and a feeding device is installed on the left side of the support rod. The invention can save the feed to be fed, and is applicable to the feeding of various feeds, which greatly saves the labor cost.

The invention relates to a continuous powder feeding device and a real-time control method. A hopper of the continuous powder feeding device is installed on a weighing platform of a scale located on a bracket, the upper end of a blanking valve is communicated with a discharge hole of the hopper, the lower end of the blanking valve is communicated with the upper end of a rubber tube valve, the lower end of the rubber tube valve is communicated with a blanking pipe, and two air hammers are installed on upper and lower portions of an outer wall of the blanking pipe respectively. During feeding, the initial feeding amount is weighed, the weight of the feeding device is weighed before and after connection with a mixture pot so as to control the feeding amount, and opening of the blanking valve and a switch of a vibrator are adjusted, so that feeding speed control is achieved. According to the continuous powder feeding device and the real-time control method, continuous and smooth feeding of large-weight and small particle size powder in large vertical mixers can be achieved, feeding speeds and feeding amount can be controlled, product qualities are improved, and safety of a feeding process is guaranteed.

A pine nut shell opening machine comprises a machine frame, a feeding mechanism, a shell opening mechanism, a discharging hopper and a driver. The feeding mechanism, the shell opening mechanism, the discharging hopper and the driver are arranged on the machine frame. The pine nut shell opening machine is characterized in that the feeding mechanism is a vibration feeding machine, the shell opening mechanism is a pair of pressing rollers, the pressing rollers rotate relatively and are driven by the driver, each pressing roller is provided with a plurality of arc grooves which are arrayed in the axial direction of the pressing roller, the arc grooves in the two pressing rollers are opposite, roller gaps are formed between arc grooves in the two pressing rollers, a discharging end of a feeding hopper is provided with a guiding groove which is provided with a plurality of feeding channels, discharging ends of the feeding channels are provided with a plurality of straightening devices which are used for enabling the tip portions of pine nuts to be downward to enter the pressing roller gaps, the two sides of each pressing roller gap are respectively provided with one straightening device, and the discharging hopper is arranged below the pressing rollers. The problems that feeding is not convenient, production efficiency is low, a production process can be easily stopped, occupied space is large, and using is not convenient are fundamentally solved, and the pine nut shell opening machine has the advantages of being high in automation degree and simple in operation method, energy is saved, environment is protected, noise is low, and shell opening efficiency is high.

The invention discloses a granulated feed feeding way for industrial aquaculture of fries. The granulated feed feeding way comprises the following steps: (1) preparing for a bucket and a granulated feed required to be fed; (2) holding aquaculture water in the bucket; (3) siphoning the aquaculture water in the bucket into an aquaculture pond; (4) placing the granulated feed required to be fed intothe bucket in times, and carrying out stirring to make the granulated feed required to be fed siphoned into the aquaculture pond together with a water flow of the aquaculture water; and (5) adding theaquaculture water in time when the aquaculture water in the bucket is insufficient in a process that the aquaculture water in the bucket is siphoned into the aquaculture pond. The granulated feed feeding way is uniform in feeding, beneficial to the food intake of the fries, sufficient in utilization rate, low in settled feed quantity and loss and capable of indirectly keeping the water quality, also avoiding the fries from scrambling for food and effectively protecting the fries.

The invention discloses an automatic-control continuous feeding device for intraocular lens growth, which comprises a suspended crucible lens growing furnace, a computer control system and a pneumatic ship-lock automatic continuous feeding device. The device disclosed by the invention can be used for realizing non-blocking non-vibration continuous feeding and is very suitable for continuous feeding of intraocular lens growth. By the automatic-control continuous feeding device, automatic program control management of a computer can also be realized, an error caused by manual operation is avoided, and particularly the requirement on continuous feeding of lenses, such as lithium tantalate, lithium niobate and the like with nearly-stoichiometric ratio, which grow by a suspended crucible method, can be ensured.