5results about How to "Remove air" patented technology

The invention relates to the technical field of high-frequency welding equipment, in particular to rotary file full-automatic high-frequency welding equipment which comprises a machine body, the machine body comprises an equipment box, and a workbench, a swing arm material taking work station, a file head feeding work station, a soldering flux work station, a soldering lug feeding work station, a handle feeding work station and a welding work station are arranged at the top of the equipment box. The swing arm material taking work station, the file head feeding work station, the scaling powder work station, the soldering lug feeding work station, the handle feeding work station and the welding work station are all arranged on the upper surface of the equipment box. The device is simple in structure, high in production efficiency and high in automation degree, the production cost is saved, meanwhile, the product welding concentricity is high, circumferential rotation is matched in the welding process, the welding uniformity is guaranteed, air generated in the middle of a welding seam during welding can be eliminated, the finished product quality is improved, in addition, workers do not make direct contact with high-temperature workpieces, and the safety of the workers is guaranteed.

The utility model relates to extrusion granulation technical field especially relates to a kind of nanometer material compression granulation equipment, including base, the upper surface of base is fixedly installed with stand, the top of stand is fixedly installed with compression box, and the top of compression box is fixedly installed with material hopper, rotation is installed in the compression box with shaft, and the outer wall of shaft is fixedly installed with the stirring rod of equidistance annular distribution, first auger rod is also rotationally installed in the compression box, and first auger rod is located below the shaft, the outer wall of one side of compression box is fixedly installed with auger cylinder, and the end of first auger rod is located in auger cylinder. The utility model has obvious advantages, spraying and stirring synergistic accelerate material polymerization;First auger rod realizes preliminary extrusion plastic forming, densification;Second auger rod completes secondary extrusion with extrusion cylinder, accurately controls granule quality;Granulation mechanism can flexibly adjust granule size shape, high efficiency and stability, satisfy multi-field demand.

The invention relates to the technical field of hot-pressing edge sealing, and discloses a food packaging bag hot-pressing device which comprises a supporting frame and an electric push rod installed on the supporting frame, a sliding frame is installed at the lower end of the electric push rod, sliding blocks are slidably connected to the two ends of the sliding frame, and a hot-pressing plate is installed at one end of each sliding block. An adjusting column is slidably connected into the sliding block, and an adjusting device is installed at the lower end of the adjusting column and used for adjusting the position of the food bag. The conveying belt is used for guiding air to the periphery, so that the air is used for blowing the food packaging bag to float upwards, then the vertical plates are rotated to abut against the side edge of the food packaging bag, the two vertical plates are used for clamping the food packaging bag, and the food packaging bag is clamped by relatively sliding the two vertical plates. Therefore, the two vertical plates drive the food packaging bag to be close to the center line of the sliding frame, the hot-pressing center position of the deviated food packaging bag is adjusted, and the hot-pressing effect is improved.

The application discloses a kind of preparation process of fireproof composite board with metal core material, belong to composite board technical field, the present application includes the following steps: metal substrate is obtained by coating modified polyurethane adhesive, paving organic-inorganic composite flame-retardant material, to obtain composite board material, composite board material is formed by hydraulic pressure, to obtain fireproof composite board with metal core material;The present application is to sodium dodecyl benzene sulfonate modified corn starch, improve the dispersibility of adhesive, and design the modified adhesive of multiple epoxy groups to improve the bonding strength of preparation adhesive, vinyltriethoxysilane is modified with methacrylic acid dodecafluoroheptyl ester, improve the fireproof performance of coupling agent in flame-retardant material, so that the prepared composite board material has the characteristics of adhesive viscosity uniform, large bonding strength, and the excellent fire resistance of composite board material.

The utility model discloses an adsorption type carbon base compound fertilizer granulation device belongs to chemical fertilizer processing field. The utility model adopts technical scheme, an adsorption type carbon base compound fertilizer granulation device, including horizontal cylinder spare, still include: feeding mechanism, set up in the top of horizontal cylinder spare and communicate to the inner chamber of horizontal cylinder spare, the pivot is coaxial with horizontal cylinder spare and is set, and one end of pivot is equipped with the drive part, the material scraping blade is along pivot axial interval and is provided with multiple groups, and the material scraping blade has the material scraping board of being pasted with horizontal cylinder spare inner wall, the utility model can complete the quick breaking dispersion of large diameter massive material through the setting of material scraping blade cooperation stirring axle, and the efficiency of granulation is accelerated, through the setting of material scraping blade, material scraping board and horizontal cylinder spare inner wall can make small granule material complete the strength reinforcing effect of outer surface under the gravity effect of itself, and it is favorable to process small granule material into the spherical particle of the diameter size of being more consistent.