89results about How to "Meet mass production needs" patented technology

The invention provides an integrated droplet microfluidic chip structure. All functional modules of droplet generation, amplification and detection are integrated on the same microfluidic chip to achieve the whole enclosed process from the droplet generation to fluorescence detection. The invention also relates to an integrated droplet microfluidic chip structure preparation method and a microfluidic chip assembly. The structure is compatible with the positive pressure or negative pressure drive mode, the pressure response time is short, the rapid droplet generation can be achieved, and the sample preparation time is greatly reduced. Droplet generation oil is not required to be filled in advance, the operation is simple, and popularization and application in the technical field of digitalPCR are facilitated.

The invention relates to a method for removing front polycrystalline silicon winding plating. The method comprises the following steps: (1) performing boron diffusion on the front surface of a siliconwafer to form a p + emitter and a front borosilicate glass layer; (2) etching the back surface of the silicon wafer, etching the back surface into a plane, removing the boron-doped layer and the borosilicate glass layer on the back surface and the periphery, and removing the front borosilicate glass layer; (3) growing a tunneling oxide layer and an intrinsic amorphous silicon layer on the back surface of the silicon wafer, and forming a front winding polycrystalline silicon layer on the edge region of the front surface of the silicon wafer; (4) carrying out ion implantation on the intrinsic amorphous silicon layer to form a phosphorosilicate glass layer, and performing annealing to form a phosphorus-doped polycrystalline silicon layer; (5) plating a silicon nitride layer on the phosphorus-doped polycrystalline silicon layer; (6) placing the silicon wafer in a mixed solution of alkali and a single crystal additive to remove the front winding polycrystalline silicon layer; and (7) plating aluminum oxide layers on the two sides of the silicon wafer, and plating a passivation antireflection film layer on the aluminum oxide layer on the front side. According to the method, the reactionrate of the alkali liquor in the alkali winding plating solution and the winding plating polycrystalline silicon can be well controlled, and reaction windows can be increased.

The invention discloses an edging device for meniscus lens centering and an edging method thereof. The edging device is cylindrical. The top end of the edging device is provided with an arc-shaped lens cementing face. A through hole is formed in the edging device and communicated with the edging device. The edging method comprises the following steps of starting lens edging, cementing and loading a plate, splicing a meniscus lens work-piece and the lens cementing face of the edging device through bonding glue, adjusting the parallelism between the bottom edge of the edging device and the end face of the work-piece after cementing, installing the edging device and the work-piece which are integrally bonded in a machine tool, calibrating the coaxiality of the edging device and a main shaft of the machine tool, carrying out edging on the work-piece through a machine tool grinding wheel, polishing the work-piece until the diameter of the outer circle and the total height reach the specified numerical range, unloading the plate, separating the edging device and the work-piece which are integrally bonded, cleaning the work-piece, and finishing the edging process of a meniscus lens.

The invention is applicable to the technical field of pure-aluminium die casting, and discloses pure-aluminium die casting equipment and a pure-aluminium die casting technology. The pure-aluminium die casting equipment comprises a die-casting machine connected with a die-casting die; the die-casting machine comprises a material feeding barrel; the pure-aluminium die casting equipment further comprises a central melting furnace used for heating and melting an aluminium block, a heat preserving furnace used for performing heat preservation on molten aluminium, a molten aluminium feeding device used for conveying the molten aluminium into the material feeding barrel and a press-shooting device used for press-shooting the molten aluminium from the material feeding barrel to the die cavity of the die casting die; an ejecting device used for ejecting a formed product from the die cavity is arranged on one side of the die casting die; and the press-shooting device is provided with an electro-hydraulic proportional throttle valve with valve core position feedback. The above pure-aluminium die casting equipment is adopted in the pure-aluminium die casting technology. By adopting the pure-aluminium die casting equipment and the pure-aluminium die casting technology provided by the invention, the production qualification rate is high; the cost is low; and the requirement of markets on volume production of pure-aluminium parts is met.

The application discloses an automatic blade cutting track generation method and device for a flexible material zero-interval layout graph and a computer readable storage medium. The method applied toa cutting bed comprises the following steps: extracting outermost layer path information of each cutting piece in a zero-interval layout graph of a to-be-processed flexible material to obtain an outer contour track sequence set comprising a plurality of processing paths; combining overlapped line segments of all processing path by comparing position information of all sequence points on each twoprocessing paths; determining a cutter eye processing mode on each processing path based on the position relationship of each cutter eye mark, and determining a cutter starting point position of an adjacent cutting piece by utilizing a preset cutter starting point selection method; and automatically generating a cutting track according to the cutter eye processing mode, the cutter starting point position and the track sequence set after combining processing. On the basis of not sacrificing the utilization rate of the fabric, the zero-interval layout cutting pieces of the flexible material areefficiently processed with high quality, so that the batch production requirements of flexible materials such as clothing and vehicle decorations are met.

The invention discloses an automatic living-body subpackage-bag-type trichogramma releasing device and a preparation method thereof. The automatic living-body subpackage-bag-type trichogramma releasing device comprises a machine body. The machine body comprises a bracket mechanism and a cabinet mechanism. One side of the bracket mechanism is provided with a plurality of transmission shafts. The transmission shafts are wound by packaging paper. The packaging paper is locked in a forming machine through a hole puncher by the transmission shafts. The hole puncher is communicated with an external air pump. The other side of the bracket mechanism is provided with a discharging device, and the discharging device is communicated with a disc screening machine. The disc screening machine is communicated with a funnel device, and a joining port of the funnel device is extended to the side face of the forming machine and a packaging bag of which the bottom is sealed. The forming machine is stretched into a heat sealing machine. The lower end of the heat sealing machine is provided with an automatic cutting machine. The automatic cutting machine is connected with a chute. The heat sealing machine, the transmission shafts, the hole puncher and the disc screening machine are controlled by a circuit and program control device. According to the provided automatic living-body subpackage-bag-type trichogramma releasing device and the preparation method thereof, the operation is convenient, and the industrial large-scale efficient production is easy.

The invention provides a vehicle positioning method, system and device and a computer readable storage medium, and the method comprises the steps: obtaining the current geographic information of a vehicle, and searching and determining the map data of a parking area where the vehicle is to enter through the current geographic information of the vehicle; when the vehicle enters the parking area, acquiring panoramic image data of the parking area; extracting feature information from the panoramic image data of the parking area, and matching and positioning the extracted feature information with map data of the parking area to obtain pose data of the vehicle in the map data of the parking area; the mileage positioning data, calculated in real time, of the vehicle is used as prediction input, and the pose data of the vehicle in the map data of the parking area are used for updating and solving the pose of the vehicle in the map coordinate system. The method is high in scene adaptability, the positioning precision meets the precision requirement of unmanned valet parking of the passenger car in the parking lot, and the mass production requirement of an autonomous valet parking system of the passenger car is met.

The invention relates to an arc-shaped core-pulling structure for a mold. The arc-shaped core-pulling structure comprises a large sliding block, a self-rotation cylinder and a rotary insert, wherein the self-rotation cylinder is arranged on the large sliding block and is connected with the large sliding block by a rotary shaft; the large sliding block is provided with an arc-shaped containing chamber; the rotary insert is arranged in the arc-shaped containing chamber and is connected with the large sliding block by a pivot; the self-rotation cylinder is provided with a telescopic shaft which is connected with the rotary insert by a pivot. The arc-shaped core-pulling structure has the beneficial effects that the transferring step of force between the components can be greatly reduced, and the self-rotation cylinder directly acts on the rotary core-pulling insert, so that the loss of the force can be reduced; the self-rotation cylinder can rotate by self and is omni-directional without the clamping phenomenon, so that the stability of the mechanism can be improved and further high-speed, high-quality and stable operation of the mold can be achieved; in addition, unstable structure factors in the production process of the mold can be controlled, the mold can be ensured to meet the mass-production requirement, and the quality of the mold and the stable movement of all the mechanisms can be improved.

The invention discloses a composite material cap-shaped part preparation device with stop blocks and an operation method of the composite material cap-shaped part preparation device and relates to the technical field of composite material manufacturing processes. The composite material cap-shaped part preparation device comprises a laying tool, a gluing tool and a press-fit tool, and the laying tool is used for forming a plurality of U-shaped skins at a time. The gluing tool comprises a frame, a rotatable multi-face cylindrical rotating cylinder is arranged at the top of the frame, a plurality of long-strip-shaped positioning grooves are formed in the multi-face cylindrical rotating cylinder and distributed around the axis of the multi-face cylindrical rotating cylinder in an annular array mode, and positioning mechanisms are arranged in the positioning grooves and used for positioning and installing the stop blocks. The press-fit tool comprises a press-fit plate, a plurality of bolt pressing mechanisms are arranged on the press-fit plate, the press-fit plate can press the U-shaped skins on the stop blocks through the bolt pressing mechanisms, during operation, composite material cap-shaped parts can be formed on a roller in batches, and the composite cap-shaped part preparation device has the advantages that the curing frequency is greatly reduced, the production efficiency is improved, and the production cost is reduced.

The invention discloses a new energy vehicle axle swing arm machining tool, and relates to a vehicle axle spare part machining tool. The new energy vehicle axle swing arm machining tool comprises a pedestal, a swing arm outer contour positioning device, a swing arm inner contour positioning device and an elastic auxiliary supporting assembly, wherein the swing arm outer contour positioning device,the swing arm inner contour positioning device and the elastic auxiliary supporting assembly are installed on the pedestal. The swing arm outer contour positioning device and the outer contour of a swing arm workpiece are in positioning connection, and the swing arm inner contour positioning device and the inner contour of the swing arm workpiece are in positioning connection. According to the new energy vehicle axle swing arm machining tool disclosed in the invention, the pedestal is used as a main body supporting frame, the swing arm outer contour positioning device is used for positioningand pressing the outer contour of a swing arm, the swing arm inner contour positioning device is used for positioning and pressing the inner contour of the swing arm, and therefore the six degrees offreedom of the swing arm workpiece can be restrained, the whole set of tool can achieve one-time clamping machining, the inner and outer contour positioning error clearance of the swing arm can be adjusted and compensated for through the elastic auxiliary supporting assembly, and the machining precision is high; and meanwhile, the advantages of being high in machining efficiency and reliable in structure are achieved, and the new energy vehicle axle swing arm machining tool can be applied and popularized easily.