6results about How to "Solve processing difficulties" patented technology

The utility model discloses an assembly type crankshaft, including driving crank, driven crank and two balance blocks. The center of two balance blocks all is provided with the installation through -hole, and driving crank, driven crank are inserted in corresponding installation through -hole respectively. Two balance blocks are spaced apart, and are provided with connecting rod needle bearing between. Connecting rod needle bearing is divided into the installation part of middle and the insertion part of both ends. The insertion hole is set up on two balance blocks. The insertion hole eccentricity sets up on the balance block. Two insertion parts on connecting rod needle bearing are inserted in corresponding insertion hole. The utility model discloses through dividing crankshaft into driving crank, driven crank, connecting rod needle bearing and two balance blocks, and through the insertion type assembly between, make crankshaft be combined by multiple independent sections, and effectively solve the problem that integral type crankshaft processes difficultly.

This invention relates to the field of modified plastics technology, specifically to a polypropylene composite material, its preparation method, and its application. The invention provides a polypropylene composite material comprising the following components in parts by weight: 4-26 parts polypropylene, 6-13 parts polyethylene, 30-50 parts spherical metal filler, 30-50 parts flake carbon filler, 0.4-1.2 parts antioxidant for polypropylene, 0.4-1.2 parts antioxidant for polyethylene, 0.2-0.6 parts metal passivator, and 0.3-1 part epoxy resin; the melt flow rate of the polypropylene is 10-100 g / 10 min (230℃, 2.16 kg), and the melt flow rate of the polyethylene is 1-3 g / 10 min (190℃, 2.16 kg); the surface of the spherical metal filler is coated with the polyethylene. This composite material solves the problem of difficult processing of high-filler systems and also possesses excellent thermo-oxidative aging properties.

The application discloses a kind of laser processing devices of mould surface texture, including base, laser cutting machine main body, material guiding structure, blanking structure and solid material structure;The laser cutting machine main body is fixedly arranged on the right end upper wall of base, the material guiding structure is fixedly arranged in the middle of base front end, the blanking structure is fixedly arranged on the left end of material guiding structure, the solid material structure is fixedly arranged on the right end front side of base, and solid material structure respectively with laser cutting machine main body and material guiding structure right end correspond, the present application relates to mould processing equipment technical field, the present application has the beneficial effect that: automatic blanking and guiding, improve processing efficiency, reduce manual operation, multi-angle overturn processing, optimize inner wall texture precision, solve the problem that traditional device inner wall is processed difficult, self-adapting adjustment design, enhance mould compatibility, fit different thickness and diameter mould blanking demand, improve equipment versatility.

The utility model relates to the application field of guided missile integrated navigation. More specifically, the utility model relates to an anti-interference connection structure, an integrated navigation device and a missile, the anti-interference connection structure comprises a shielding box; a female head of the three-coaxial radio frequency connector penetrates through the shielding box and is in sealed connection with the shielding box; and one end of the three-coaxial cable is connected with the three-coaxial radio frequency connector male head. According to the anti-interference connecting structure, the combined navigation device and the guided missile, the combined navigation device comprising the anti-interference connecting structure is applied to the guided missile, so that a satellite navigation antenna of the combined navigation device is not interfered by internal parts of the guided missile.

The utility model relates to processing equipment technical field, concretely relates to a kind of screw machine barrel section horizontal car clamping tool, including spiral machine barrel section, the inside of spiral machine barrel section is provided with flange plate, the middle position of flange plate is equipped with center hole, the center hole includes the first top hole and the second top hole sequentially arranged from left to right, the first top hole and the second top hole are coaxial and mutually communicated;The flange plate is equipped with several mounting holes with center hole as center circular array;Top tight piece is equipped on the inner wall of mounting hole close to spiral machine barrel section, one end of top tight piece penetrates flange plate, and top to the inner wall of spiral machine barrel section;The inner wall of spiral machine barrel section is annularly arranged with multiple auxiliary web, auxiliary web is located at the inboard of flange plate, for limiting the position of flange plate.The utility model can assist horizontal car to quickly clamp barrel section, with stronger universality, can be applicable to different diameter, length barrel section processing, reduce manufacturing cost.

The utility model discloses a taper pin hole reaming device for a rotor impeller of a steam turbine, and belongs to the field of machining and assembling. A turbine rotor impeller taper pin hole reaming device comprises a transmission box fixed on a tripod, a large gear set connected with a reamer and a small gear set meshed with the large gear set are arranged in the transmission box, and the small gear set is connected with an electric hand drill through an electric hand drill connecting shaft. A cover plate is arranged on the right side of the transmission case, a stud perpendicular to the cover plate is arranged in the center of the cover plate, and the puller nut is in threaded connection with the stud. The taper pin hole reaming device solves the problem that a taper pin hole in a rotor impeller of a steam turbine is difficult to machine, through the large bevel gear and the small bevel gear which are meshed, the force application direction is changed, original manual operation is changed into electric hand drill force application, the taper pin hole in the impeller can be rapidly reamed, reaming quality is guaranteed, manpower can be saved, and machining efficiency is improved.