10results about How to "Will not stick" patented technology

The invention relates to the technical field of circuit board film pasting, and particularly discloses a PCB film pasting method and film pasting equipment. The method comprises the following steps: assembling a pressing assisting layer and a dry film layer on PCB film pasting equipment; the pressing assisting layer and the dry film layer are conveyed through PCB film pasting equipment, a hot pressing roller on the PCB film pasting equipment is matched with the hard layer in a rotating mode, the pressing assisting layer abuts against the dry film layer, and the soft layer is attached to the polyethylene protective film; the production state of the PCB film pasting equipment is debugged, and debugging of the PCB film pasting equipment is stopped until wrinkles or bubbles do not appear between the auxiliary pressing layer passing through the hot pressing roller and the dry film layer within the preset distance; the PCB film pasting equipment is used for conveying the board to be pasted with the film, the board face of the board to be pasted with the film is attached to the dry film photosensitive layer, and the hot pressing roller is controlled to conduct hot pressing on the dry film layer to the board to be pasted with the film; and taking down the pressing assisting layer passing through the hot-pressing roller to obtain a processed finished product. According to the method, accurate lamination of the dry film layer on the to-be-laminated plate is realized by means of the pressure-assisting layer, and the product yield of film lamination operation is improved.

The application discloses a kind of feeding mechanism of potassium fluoride, it is related to feed conveying technical field, including feed storage bin, feed inlet and first motor, the top outer wall of feed storage bin is provided with feed inlet, first motor is provided above feed storage bin, the output end of first motor is connected with rotating rod, rotating rod is inserted with cleaning assembly top end, cleaning assembly bottom end is penetrated into feed storage bin, the bottom of cleaning assembly is fixed with threaded feed rod, the top end lateral wall of cleaning assembly is connected with moving assembly, bottom is fixed with the outer wall of feed storage bin, auxiliary assembly is connected on the lateral wall of feed storage bin;The cleaning assembly and moving assembly of being set, so that staff can utilize original first motor and cleaning assembly and moving assembly cooperate to clean potassium fluoride on the inner wall of feed storage bin comprehensively, ensure that inner wall will not adhere potassium fluoride, will not affect preparation efficiency, simultaneously ensure that residual potassium fluoride will not make toxic gas to air.

The utility model relates to the technical field of production grinding, and discloses a non-phosphorus environment-friendly grinding device for powdery degreasant production, which comprises a supporting column, a moving object block is fixedly connected to the upper part of the right side of the supporting column, a shell is fixedly connected to the bottom of the moving object block, and a motor II is fixedly connected to the bottom of the inner wall of the shell. The output end of the second motor is fixedly connected with a worm, the outer wall of the worm is in meshed connection with a worm gear, the left side of the inner wall of the worm gear is fixedly connected with a second small gear, the left end of the second small gear is fixedly connected with a spiral thread, and the left side of the spiral thread is in meshed connection with an insection rod. According to the grinding device, the second motor is started, the second motor drives the worm to rotate and drives the worm gear to rotate at the same time, the thread on the second pinion pushes the insection rod to move upwards, then the moving object block is pushed upwards, the grinding rod is lifted, and the effects that the grinding rod moves up and down, and grinding is more sufficient are achieved.

This invention belongs to the field of unmanned aerial vehicle (UAV) technology, specifically relating to a pollination device for agricultural UAVs. It includes a UAV body with a pollination mechanism at its bottom. The pollination mechanism includes a mounting box at the bottom of the UAV body, a storage slot within the mounting box, and a pollination box slidably positioned within the storage slot. The pollination box contains a stirring device, which includes a stirring motor with a spiral blade connected to its output end and a stirrer connected via a transmission assembly. An suction assembly includes a suction device slidably positioned within the storage slot, located above the pollination box. This invention, by placing pollen in the pollination box, can stir and refine the pollen. Simultaneously, it can filter and absorb the stirred pollen, removing impurities to prevent clogging during transport. It can evenly spray pollen onto crops, achieving precise and efficient aerial pollination and improving the pollination success rate.

The utility model relates to the field of food and feed processing, and provides a continuous hot air roasting machine, which comprises a roller, a heater, a circulating fan, an air filter and the like, the roller is formed by rolling a perforated plate or a screen, a spiral sheet for stirring is arranged in the roller, the outer edge of the spiral sheet is connected with the perforated plate or the screen, and the outer edge of the spiral sheet is connected with the air filter. A steel connecting rod is arranged on the spiral piece in a penetrating mode in the horizontal direction, the steel connecting rod is connected with a transmission shaft in the center of the roller through a supporting frame, a heating chamber is arranged below or on the side face of the roller, a heater is arranged in the heating chamber, a circulating fan pumps air in the roller to the heater for heating, the air is blown back into the roller after being heated, and heating is conducted in a circulating mode. According to the utility model, corn (popcorn is obtained after corn is puffed), rice, millet, sorghum, peanuts, melon seeds, beans and the like can be continuously and automatically fried by hot air at normal pressure, puffed and micro-puffed food or cured food and feed can be obtained after frying, and the novel food frying machine is convenient to operate and reliable to use.

The invention relates to a halogen-free epoxy resin composition, an aerogel packaging film as well as a preparation method and application of the halogen-free epoxy resin composition and the aerogel packaging film. The halogen-free epoxy resin composition comprises the following components in parts by solid weight: 10-25 parts of halogen-free bisphenol A epoxy resin; 10 to 30 parts of halogen-free polyurethane modified epoxy resin; 10-20 parts of halogen-free acrylic acid modified epoxy resin; 10 to 35 parts of a toughening agent; 20 to 35 parts of a halogen-free flame retardant; 1-10 parts of a curing agent; 0.01 to 1 part of a curing accelerator; and 0.01-5 parts of a stabilizing agent. The halogen-free epoxy resin composition can be used for preparing an aerogel packaging film, and does not adhere to a pasted object at room temperature; the halogen-free flame-retardant polypropylene material has the advantages that the halogen-free flame-retardant polypropylene material can activate reaction at low temperature, has high peel strength and shear strength and excellent aging resistance, and meets the requirement of UL94 V-0 level in flame retardance; the product does not lose efficacy after long-term storage at room temperature, and does not increase logistics and storage cost.

The utility model relates to the technical field of paste powder mixing and stirring, in particular to a high-viscosity paste powder mixing and stirring machine. According to the technical scheme, the device comprises a base, a mixing and stirring barrel is arranged on the top face of the base, a first motor is arranged on the top face of the mixing and stirring barrel, the output end of the first motor penetrates and extends into the mixing and stirring barrel and is provided with a stirring shaft, and inner stirring blades and outer stirring blades are arranged on the outer ring of the stirring shaft. By arranging the paste heating barrel to the discharging plate, the paste can be preheated conveniently, the paste can be pre-stirred through the stirring paddle, the temperature is uniform, meanwhile, the fluidity of the paste is improved, powder can be sieved by arranging the powder sieving barrel to the scraping rod, powder blockage is prevented, and the powder sieving efficiency is improved. By arranging the mixing and stirring barrel to the striker plate, paste and powder can be conveniently mixed and stirred, meanwhile, it is guaranteed that a mixture cannot be attached to the inner wall of the mixing and stirring barrel, and follow-up cleaning is facilitated.

The utility model relates to the technical field of oiling devices, one embodiment of the utility model provides a wax-free glass fiber yarn oiling device which comprises a bottom plate and further comprises an oil spraying assembly, a turnover assembly and a connecting plate, the oil spraying assembly is arranged on the bottom plate through a reciprocating mechanism and used for spraying oil to wax-free glass fiber yarn, and the turnover assembly is arranged on the bottom plate and used for spraying oil to the wax-free glass fiber yarn. The overturning assembly is arranged on the base, the wire guiding assemblies are arranged on the overturning assembly, the overturning assembly is used for driving the wax-free glass fiber yarn to overturn so that the two faces of the wax-free glass fiber yarn can be sprayed, and the two connecting plates are both arranged on the two wire guiding assemblies. By means of the technical scheme, the technical problem that in the prior art, when oil is sprayed to the lower portion of the wax-free glass fiber yarn and sprayed through a spray head, part of oil is prone to falling and being attached to the spray head under the action of gravity is solved.

This invention relates to an assembly device for the bottom component of a liquid rocket engine gas generator, belonging to the field of mechanical manufacturing and processing. The device features symmetrically arranged lifting shafts on the side walls of a base. Graphite rings are placed around the circumference of the upper surface of the base plate. The lower half of the external gas generator rests on the graphite rings. The base plate has uniformly distributed through holes. A support rod is inserted above each through hole. A graphite pad is installed on the top of each support rod. Pins extend sequentially from top to bottom into the through holes of the graphite pads and support rods. An external gas generator nozzle is installed on the top of each graphite pad. The upper half of the external gas generator is mounted on top of the lower half. An inclined through hole is provided on the inner wall of the upper half of the external gas generator. An inspection pin is installed in the inclined through hole. This invention is specifically designed for the assembly and brazing process of the bottom component of a gas generator, solving the problems of positioning and brazing quality in the assembly of a large number of nozzles, and effectively improving assembly efficiency.

The utility model belongs to the technical field of blow molding equipment, and particularly relates to a multi-layer plastic packaging bag co-extrusion blow molding assembly which comprises a blow molding device, an isolation mechanism is fixedly installed on the outer surface of the blow molding device, and a circulating cooling mechanism is fixedly installed on the outer surface of the blow molding device. And the isolation mechanism comprises an isolation cover, the bottom of the isolation cover is fixedly connected with the top of the blow molding device, a guide roller shaft is fixedly installed on the inner surface of the isolation cover, and a shielding cover is rotationally installed on the outer surface of the isolation cover through a hinge. According to the multi-layer plastic packaging bag co-extrusion blow molding assembly, air blown out of the blow molding pipe is sucked away through the air pump pipe, hot air enters the circulating air pipe network through the air pump pipe, then is cooled through water in the cooling box and then is sprayed out of the blow molding pipe, heat exchange is conducted on the circulating air pipe network through the water in the cooling box, and heat exchange is conducted on the circulating air pipe network while cooling water heat exchange is conducted. The water pump injects cooling water into the cooling box from the water outlet pipe through the water inlet pipe.