8results about How to "Efficient shearing" patented technology

This utility model discloses a wire cutting device for processing electronic detonator wire connecting devices, relating to the technical field of wire cutting devices. The utility model includes a base plate and two U-shaped frames fixedly connected to the top of the base plate, and further includes: a positioning part disposed on the two U-shaped frames; an adjustable cutting part mounted on the rear U-shaped frame; the positioning part includes two positioning components, each disposed on one of the two U-shaped frames; and a power component mounted on the top of the two U-shaped frames. By incorporating the positioning part, this utility model solves the problem of existing cutting devices being inconvenient to position the wire when cutting the insulation layer, resulting in unstable wire position and easy displacement during cutting, thus affecting the quality of electronic detonator wire connecting device processing.

This utility model relates to the technical field of shearing and mixing equipment, and in particular to a shearing and mixing equipment for preparing aluminum alloy sheet materials. It includes a control support assembly, a shearing cylinder assembly mounted on the upper end of the control support assembly, and an auxiliary storage assembly fixedly connected to the outside of the shearing cylinder assembly. The shearing cylinder assembly includes a cylinder body, an extension cylinder fixedly connected to the right side of the cylinder body, a rubber stopper fitted inside the extension cylinder, and a fixed connection on the left side of the cylinder body to the end of the main shaft of a servo motor. A material passage groove is formed inside the cylinder body, and an auxiliary blade is fixedly connected inside the cylinder body. The auxiliary storage assembly includes a concave shell, a material storage groove formed inside the concave shell, and a limit telescopic rod and an electric telescopic rod fixedly connected inside the concave shell. In this utility model, the device effectively solves the problem of uneven shearing force caused by localized concentration of raw materials during the shearing and mixing process of aluminum alloy sheet materials, ensuring high quality in aluminum alloy sheet production.

This utility model discloses a nanoscale shearing emulsification device for pesticide emulsifiable concentrates, including a support frame. A liftable horizontal support plate is slidably connected to the inner side of the support frame. A main support rod and three sub-support rods are fixedly connected to the lower surface of the horizontal support plate. Two stabilizing plates are fixedly connected to the outer surface of the main support rod. A drive rod is rotatably connected to the surface of the stabilizing plate. Emulsifying and shearing blades are fixedly connected to the upper and lower outer surfaces of the drive rod, respectively. Two outer covers are fixedly connected to the lower end and outer surface of the sub-support rods, respectively. Multiple strip-shaped through holes are arranged in a ring array on the surface of the outer covers. By rotating the drive rod, the emulsifying and shearing blades at both ends of the drive rod can be rotated. Combined with the outer covers, efficient shearing and emulsification of pesticide emulsifiable concentrates can be achieved. Compared with existing technologies, the emulsifiable concentrate can be sheared and emulsified simultaneously at the upper and lower ends of the drive rod, thereby effectively improving the shearing and emulsification quality and efficiency of pesticide emulsifiable concentrates.

The invention belongs to the technical field of molecular diagnosis / detection, and particularly discloses a detection method of an aminoglycoside drug resistance gene armA. Comprising the following steps: extracting genome DNA from a sample to be detected; the method comprises the following steps: in the presence of Bst DNA polymerase, an MCDA primer and a reaction buffer solution, carrying out MCDA isothermal amplification on DNA to be detected to obtain an amplification product containing a PAM site; the obtained amplification product is mixed with Cas12a protein, gRNA molecules, a double-labeled DNA probe and a reaction buffer solution, and CRISPR / Cas12a reaction is carried out in the same reaction system; and detecting a fluorescence signal of the reaction system in the step 3, and judging that the armA gene exists in the sample when an effective fluorescence signal is generated. The invention provides a method (MCDA-CRISPR / Cas12a) capable of rapidly, sensitively and specifically detecting armA by combining an MCDA isothermal amplification technology and a CRISPR / Cas12a fluorescence detection technology.

The utility model provides a food promotion activity card making machine, which belongs to the technical field of mechanical engineering and comprises a bearing mechanism, a fixing part, a driving mechanism, a shearing component arranged on the surface of the bearing mechanism and a reciprocating component arranged on one side of the shearing component. The fixing piece comprises a base, a fixing block fixedly installed on the surface of the base and a cutter rotationally connected to the surface of the fixing block, and the shearing assembly comprises a motor arranged on the surface of the base and a connecting rod fixedly connected to the output end of the motor through a coupler. The reciprocating assembly comprises a driving wheel fixedly connected to the outer end face of the connecting rod and a guide rod rotationally connected to the surface of the driving wheel. Through mutual cooperation of the bearing mechanism and the driving mechanism, efficient and accurate shearing of materials is achieved, labor cost and time consumption are reduced, meanwhile, consistency and accuracy of shearing each time are guaranteed, and therefore production efficiency and product quality are improved.

The utility model discloses a construction engineering garbage crusher, and relates to the technical field of construction. The construction engineering garbage crusher comprises a rack, a crushing box is arranged at the top of the rack, a feeding box is fixedly connected to the outer wall of the top of the crushing box, a discharging box is fixedly connected to the outer wall of the bottom of the rack, two crushing rollers are rotationally connected to the inner wall of the crushing box, and the two crushing rollers are meshed with each other; the smashing rollers are rotationally connected with the smashing box through rotating shafts, one ends of the two smashing rollers are fixedly connected with gears, and the two gears are meshed. The guide plates are arranged in the discharging box in an up-and-down alternating and inclined mode, the falling speed of construction waste can be effectively reduced, and a large amount of dust generated by direct falling is greatly reduced; meanwhile, a fan of the dust suction device runs to form negative pressure, dust in the crushing box is sucked into the purification box, water is supplied by the water tank, water is sprayed by the spray head to enable the dust to fall, solid particles are intercepted by the filter screen, and the dust content of the working environment and exhausted air is remarkably reduced.

The utility model relates to the technical field of plastic recycling, especially a degradable plastic bag crushing and recycling device, which solves the problem of poor crushing effect of the crushing mechanism on the degradable plastic bag in the prior art, and the degradable plastic bag is difficult to be quickly and completely crushed into uniform small pieces. The device comprises a crushing bin, a feed hopper connected to the top of the crushing bin, and a collecting frame connected to the bottom of one side of the crushing bin. Two crushing knife sets that cooperate with each other are installed inside the crushing bin. Two guide slope plates are connected to the bottom of each of the two crushing knife sets on both sides of the crushing bin. The two guide slope plates are connected to the inside of the crushing bin through recovery slope plates on the side away from each other. The utility model makes the uncrushed material re-enter the crushing process, improves the crushing efficiency and uniformity, controls the discharging time of qualified particle size material through the plugging structure, and improves the consistency of the discharging quality.