144results about How to "The feeding process is simple" patented technology

The invention relates to a modularly constructed packaging device, comprising: a package feed (2) for feeding empty packages (20), a product feed (3) for feeding products (30, 40), a loading station (4), in which the products are packed into the empty package in order to provide a packaging container (21), and a cardboard-box discharge (5), which leads away the packaging container.

The invention discloses a single-component phosphor-nitrogen double-ring cage-shaped macromolecular intumescent flame retardant as well as a preparation method and an application thereof. the preparation method comprises the following steps: at 90-110 DEG C, a nucleophilic substitution reaction is carried out between pentaerythritol and phosphorous oxychloride, and PEPA is obtained; a reaction between PEPA and cyanuric chloride is carried out at -5-10 DEG C for 3-6 hours, a reaction between a product and a diamine compound is carried out at 50-60 DEG C for 5-10 hours, and then a reaction between the product and the diamine compound is carried out at 90-110 DEG C for 5-10 hours; finally the single-component phosphor-nitrogen double-ring cage-shaped macromolecular intumescent flame retardant is obtained for flame retardant modification of polymers. Compared with the prior art, the prepared single-component macromolecular intumescent flame retardant has the advantages of high flame retardation efficiency, good compatibility with polymers, etc.; the intumescent flame retardant whose weight is 20-25 wt% of polypropylene can be added into the polypropylene for endowing the polypropylene with good flame retardation performance, and the intumescent flame retardant can be widely applied to the fields of internal and external decorative parts of automobiles, furniture and electric appliances, wires and cables, building material, etc.

The invention belongs to the technical field of animal manure comprehensive utilization and culture, and relates to a method for culturing maggot by utilizing livestock and poultry manure slurry. The method comprises the following steps: collecting animal manure in a temporary animal manure lagoon; fermenting effective microorganism (EM) strain, or enzymatic microorganism, or mixed strains of the EM strain and the enzymatic microorganism to ensure that the manure slurry is liquefied to form liquefied manure slurry; putting putrescent food in an outdoor fly concentrated position; putting collected seed maggot on a net chain above a fly cage to collect fly eggs and maggot; and maintaining the temperature of diluted manure slurry in a maggot culture pond, introducing oxygen to ensure that the maggot is cultured for 3 to 4 days and developed into imagochrysalis, and capturing by utilizing a net bag. The culture process has the advantaages of simple process, high animal manure utilization, safe and reliable equipment, high maggot culture benefit, large comprehensive utilization value, high quality of maggot and light environmental pollution, and can be used for large-scale industrial culture.

The invention provides a cement asphalt mortar. The cement asphalt mortar comprises cement, an expanding agent, sand, emulsified bitumen, water, a water reducer, an antifoaming agent, aluminum powder and rubber powder; The mass part ratio of cement to expanding agent to sand to emulsified bitumen to water to water reducer to antifoaming agent to aluminum powder to rubber powder is 90: (5-15): (100-180): (25-45): (15-30): (0.1-1.5): (0.01-0.15): (0.001-0.02): (1-20). According to the invention, rubber powder recovered by old tire can replace of partial emulsified bitumen or sand, under the condition of keeping certain intensity, the rubber powder has better damping performance than that of asphalt, simultaneously the rubber powder has low temperature sensitivity and is capable of keeping good damping performance under the various temperature; the adopted polypropylene fiber is capable of improving the uniformity of a cement asphalt mortar mixture, substantially raising the workability of the cement asphalt mortar mixture and enhancing the crack resistance and volume stability of the mortar.

The invention discloses an indoor isolation feeder for spider mites; the indoor isolation feeder comprises a culture dish which is composed of a bottom wall and a lateral wall and is open at one end, host leaves placed in the culture dish and protective isolation parts for preventing the escaping of the spider mites; the protective isolation parts are of wet bar-shaped structures around the leaves. The leaves utilized for feeding the spider mites are capable of preventing the spider mites from escaping and from being drowned; meanwhile, the technical problems in leaf feeding and water isolation feeding can be solved; the indoor isolation feeder for spider mites is simple in structure, does not need to utilize other complex escaping prevention measures and has the characteristics of being good in moisture retention, long in refreshing time of leaves, easy in temperature control, strong in operability and controllable in activity range of insects; the feeding process is simplified and the feeder can be used for performing indoor culturing experiments, indoor fertility and host selectivity experiments of the spider mites, pesticide efficacy and toxicity measurement as well as accurate measurement of predation quantity of natural enemies; the indoor isolation feeder solves the error problem caused by epitrophy and phototropism of insects to the experimental operation and solves the experimental errors caused by partial spider mites remaining at the top of a mite cultivating shade when the mite cultivating shade is utilized to perform an experiment in the prior art; the experimental errors are reduced and the experimental accuracy is improved.

The invention discloses a straight-line curved surface multi-wire electric discharge machining method. The machining method comprises the following steps that a plurality of multi-grooved wire rollersare manufactured, grooves are required to just wrap electrode wires to be wound, so that radial run-out of the electrode wires during the wire conveying process is limited, and the distance between every two adjacent grooves is smaller than the sum of the diameter of each electrode wire and a discharging gap during machining; the multi-grooved wire rollers are mounted on a wire electric dischargemachining machine tool, the electrode wires are coiled one by one to form an electrode wire parallel wire mesh, and the two ends of the electrode wires are connected to a wire storage barrel; at theupper end and the lower end of the electrode wire parallel wire mesh surface, contact jacking is carried out on the electrode wire parallel wire mesh, a curved surface sample strip plate is composed of a wear-resistant material, and the electrode wire parallel wire mesh surface is changed into a straight-line curved surface from the plane according to the edge fluctuation of the curved surface sample strip plate or the fact that the edge included angles among the curved surface sample strip plates are different; a wire electric discharge machining auxiliary condition is started; and one-way feeding is carried out on a metal plate workpiece which is installed on a machining platform to be machined so as to obtain a straight-line curved surface conforming to the electrode wire mesh on the metal plate workpiece after machining is completed.

The invention relates to a screen printing machine for conveying materials in an inclined rotating manner. The screen printing machine comprises a stander, a printing head arranged on the stander and a material blanking platform buckled with the printing head, wherein the material blanking platform comprises a material blanking platform inclined towards a horizontal plane during material conveying; at least two Y-directional positioning pins are arranged on the material blanking platform in a telescopic manner along the Z direction; contacts between the two Y-directional positioning pins and a printed product are respectively a point A and a point C; the lower ends of the Y-directional positioning pins are connected with rotary stretching devices of Y-directional pins; the lower ends of X-directional positioning pins are connected with stretching devices of X-directional pins. The screen printing machine greatly reduces the labor intensity, saves manpower, reduces the cost, and is high in alignment precision and high in printing quality, so that material conveying is simple and easy to learn, the training cost is reduced, the defective percentage is reduced, and the working efficiency is improved.

The invention relates to the technical field of industrial automation, in particular to a multi-station automatic feeding device. The automatic feeding device comprises two parallel beams. The two ends of each beam are fixed between two supporting devices located on the same side of a station. One beam is located on the left side of the station, and the other beam is located on the right side of the station. A Z-axis displacement device capable of moving up and down is arranged at the middle portions of the beams. The bottom end of the Z-axis displacement device is connected with a Y-axis displacement device capable of moving front and back. The bottom of the Y-axis displacement device is connected with an X-axis displacement device capable of moving left and right. The front side of the bottom of the X-axis displacement device is connected with a workpiece picking device. Thus, the multi-station automatic feeding device is reasonable and novel in structural design, full-automatic mechanical control is adopted, the labor cost is saved, people are released from high-strength labor, the work efficiency is high, and the danger coefficient is low; and meanwhile the positioning precision is high, and the good quality stability of a finished product manufactured through a punching machine is guaranteed.

The invention discloses an environment-friendly phosphor-nitrogen single-component expansion type flame retardant and a preparation method thereof. The environment-friendly phosphor-nitrogen single-component expansion type flame retardant takes a dehydrating agent as an acid source, and takes a nitrogen-containing foaming agent as a gas source and takes a char-forming agent as a carbon source, and chemical reaction is performed in an organic solvent to synthesize a three-dimensional macromolecular structure. The environment-friendly phosphor-nitrogen single-component expansion type flame retardant effectively overcomes the defects that a micromolecule expansion type flame retardant is liable to migrate, is liable to absorb humidity, is poor in compatibility with polymer matrix and the like, does not contain halogen, is small in environmental pollution; and the environment-friendly phosphor-nitrogen single-component expansion type flame retardant which integrates the carbon source, the acid source and the gas source can meet requirements, on high-performance flame retardant, of people, and also can simplify a feeding process in a processing process, and saves cost; and the production process is simple and easy to control, is relatively low in requirement on production equipment and is relativley high in yield.