78results about How to "High quality and precision" patented technology

The invention belongs to the technical field of positioning and navigation, and particularly relates to a line inspection method and system for unmanned aerial vehicle airborne power grid X-ray detection equipment. According to the method, a positioning unmanned aerial vehicle is used for determining a hovering point of a transportation unmanned aerial vehicle on a power transmission line, after the hovering point is sent to a positioning navigation unit, the positioning navigation unit carries out coordinate system unification and flight path planning, and the transportation unmanned aerial vehicle receives a flight instruction sent by the positioning navigation unit; carrying the power grid X-ray detection equipment to fly to a hovering point according to the path planning of the positioning navigation unit; and releasing the power grid X-ray detection equipment, analyzing the acquired X-ray image by the power grid X-ray detection equipment, and transporting the unmanned aerial vehicle recovery equipment after the acquisition task is completed. According to the invention, the difficulty in releasing and recovering the power grid X-ray detection equipment can be reduced, and the detection efficiency is improved.

The invention discloses a method for determining the purity of electronic-grade hexafluoroethane, and relates to the technical field of the purity of hexafluoroethane, and the method comprises the following steps: vacuumizing a specific sampling container to 10 <-3 > Pa to 10 <-2 > Pa, forming a super-hydrophobic coating on the inner wall, sampling in a temperature-controlled, humidity-controlled and pressure-controlled environment, and removing water and impurities through two-stage pretreatment; enhancing analysis by using a gas chromatograph, a specific carrier gas, a column temperature program, a micro-fluidic chip and an ion mobility spectrometry; then secondary scanning analysis is carried out by using a mass spectrometer double ion source and a calibration system; and finally, learning and matching an algorithm through a data processing system machine. Samples can be accurately collected and pretreated, gas chromatography and mass spectrometry analysis is more accurate and efficient, a data processing system can accurately determine impurities and purity, multiple measurement data can be counted and analyzed, the result reliability is improved, all parts of the system are optimized and matched, the accuracy and stability of the whole process are guaranteed, and the purity is calculated; the method further comprises statistical analysis of multiple measurement data.

The invention discloses a method for dynamically correcting off-axis aberration of a liquid mirror telescope, which comprises the following steps of: S1, adjusting a secondary mirror body to perform dynamic full-angle circular motion around the center of a primary mirror by using a secondary mirror rotating system, so that the secondary mirror body acquires an incident beam from any direction; s2, acquiring attitude information of the secondary mirror body, and adjusting the secondary mirror body according to the dynamically changeable off-axis angle based on a preset secondary mirror pose adjustment sub-method to compensate for low-order aberration; s3, the light beams of the distorted wavefront compensated by the secondary mirror are adjusted to be emitted in a determined direction in parallel and enter an adjustable beam expanding and shrinking mirror through two groups of plane reflection systems; s4, the light beam with the light spot size adjusted through the adjustable beam expanding and shrinking mirror is reflected to the magnetic liquid deformable mirror through the reflecting mirror; and S5, the magnetic liquid deformable mirror receives the reflected light beam and performs residual aberration correction. According to the method, the observation view field of the liquid mirror telescope can be effectively improved, the imaging quality is improved, and an aberration correction system is endowed with excellent flexibility and wide adaptability.

The invention relates to the technical field of laser engraving, and discloses copper-plated steel roller surface embossing laser engraving equipment and an embossing plate roller manufacturing method.The copper-plated steel roller surface embossing laser engraving equipment comprises a bottom plate. The carving machine comprises a bottom plate, a plurality of fixing frames arranged on the side wall of the bottom plate, supporting plates arranged on the two corresponding fixing frames and carving units arranged on the supporting plates, and each carving unit comprises a cleaning component and a carving component which are arranged between the two supporting plates; by arranging the cleaning component, the rotating air outlet ring can directly act auxiliary air on welding slag in a carving area in a spiral flowing mode, the welding slag is better blown out of the carving area, the blown welding slag is collected in the collecting box through mutual cooperation with the collecting assembly, the blown welding slag is prevented from falling into the carving area again, and the carving efficiency is improved. And the engraving precision and the production quality are effectively improved.

The invention discloses a floating deburring tool and a part deburring method.The deburring tool comprises a rod handle, a connecting sleeve, a tool bar, a nut, a clamping sleeve, a tool bit and an adjusting mechanism, the rod handle and the tool bar are connected through the connecting sleeve, the clamping sleeve is clamped to the upper middle end of the tool bit, and the clamping sleeve is fixedly connected to the tool bar through the nut; the upper end of the tool bit sequentially penetrates through the nut and the tool bar and is connected with an adjusting mechanism arranged in the connecting sleeve, and the adjusting mechanism can drive the tool bit penetrating through the tool bar to achieve radial and axial floating along the central axis of the connecting sleeve. By the adoption of the deburring tool and the part deburring method, the burr and flash grinding treatment requirements of different parts can be met, the deburring tool is simple in structure and convenient to assemble and disassemble, and products obtained through deburring are good in consistency, high in efficiency, stable in product machining, high in reliability and suitable for application and popularization.

The invention relates to a deep learning-based workpiece processing path feature identification method for a numerical control system. According to the method, a G code generated by a numerical control machine tool is analyzed and processed to obtain features of a tool path when a workpiece is machined. Particularly, the method not only performs basic data preprocessing and cleaning, but also performs deeper analysis by establishing cutter path characteristic indexes such as path length, angle, curvature and the like. The data classified through the feature indexes are used as input of a deep learning algorithm, and efficient recognition of the tool path features is further achieved. According to the numerical control machining tool path feature recognition method provided by the invention, the efficiency and the accuracy of feature recognition are improved, the perception capability of a complex machining path is further enhanced through application of a deep learning algorithm, and support is provided for intelligent recognition of the machining path of a numerical control system.

The invention discloses a calibration method of a polarization focal plane imaging system and an imaging system, relates to the field of photoelectric imaging and remote sensing detection imaging, and solves the problems of low correction efficiency and difficulty in correcting a system with a changed polarization state in the conventional polarization error correction technology. According to the calibration method, a plurality of coding patterns and corresponding polarization modulation matrixes are obtained based on the collected uniform light field and serve as calibration results. The polarization error correction method comprises the steps of obtaining an observation intensity vector based on a target scene; a corresponding polarization modulation matrix is obtained based on the coding pattern according to a coding polarization modulation matrix lookup table, and then a down-sampling Stokes vector after polarization error correction is obtained; and completing the correction of the polarization error through an imaging reconstruction method. A polarization focal plane imaging system comprises an imaging lens, a DMD digital micromirror array coding module, a focal plane DoFP polarization detector and an imaging reconstruction module. The method is suitable for the fields of remote sensing detection, target identification, environment monitoring and the like.

The utility model relates to a nickel sheet laser welding pressure head mechanism, and relates to the technical field of laser welding. The device comprises a rack, a lifting plate and a galvanometer, a lifting assembly is arranged on the rack and connected with the lifting plate so as to drive the lifting plate to be adjusted, the galvanometer is connected to the surface of the lifting plate, a mounting frame is arranged below the lifting plate, and a laser pressing head is arranged at the end, away from the lifting plate, of the mounting plate. The mounting frame is provided with a buffer assembly, the laser pressure head is slidably connected to the mounting frame through the buffer assembly, the lifting plate is further provided with a camera, and the mounting frame is provided with a detection module used for detecting the distance between the nickel sheet and the galvanometer. The nickel plate welding device has the effects that the pressing force on the nickel plate in the welding process is improved, and the welding precision, the welding quality and the welding speed between the nickel plate and the battery aluminum bar are improved.

The invention creatively provides a manual control field imaging technology based on a unified field theory, the technology integrates theories, principles, circuit design, an electromagnetic field generator and an imaging system into a whole, and the cross-field wide application potential is shown. The electromagnetic field generator serves as a core, is not limited to a scanning detection function, and can be further expanded to the frontier fields such as quantum communication, medical diagnosis, spaceflight detection, chemical analysis, building monitoring and virtualization technologies, and maximization of technical values is achieved. According to the technology, the traditional electromagnetic theory is deeply expanded and innovated, the breakthrough of the imaging technology is realized through precise circuit design and efficient electromagnetic field regulation and control, and the high definition and accuracy of imaging are ensured. As the technology is continuously mature and widely popularized, scientific and technological progress and industrial upgrading of the human society are greatly promoted, and more efficient and more intelligent development opportunities are brought to various fields, so that benefits are brought to the public in the world, and a new chapter of scientific and technological development is opened.

The application discloses a kind of nnUNet zebra fish juvenile whole brain vascular system segmentation methods based on autonomous data set training, it is related to high-resolution imaging technology, image processing and medical image segmentation field, the method makes full use of zebra fish live transparency and fluorescent label advantage, obtains high-resolution whole brain three-dimensional vascular image data, and constructs high-quality segmentation truth value database by semi-automatic segmentation and artificial correction, training is carried out using nnU-Net deep learning model, realize the three-dimensional automatic segmentation of zebra fish brain vascular system signal.The application method significantly improves the degree of automation and precision of image segmentation, effectively solves the problems of low efficiency, high artificial dependence and poor repeatability of traditional brain vascular segmentation.The method is suitable for large-scale high-throughput data processing, can provide efficient, standardized image processing scheme for zebra fish brain vascular development mechanism and brain vascular disease model research, and has wide application prospect.

The invention provides a processing method of an optical piece with a light reflection inner cavity. The processing method comprises the following steps: obtaining a first film coating piece and a second film coating piece through processing; two plates with the same datum plane are obtained through same-disc machining, the datum plane is used for positioning, and the two plates are machined to obtain a third film-coated part and a fourth film-coated part; an assembly tool is provided, the first film coating piece and the third film coating piece are positioned through the assembly tool, and the bottom face of the third film coating piece is fixed to the surface where the first film coating face of the first film coating piece is located; and positioning the second film coating piece through the assembly tool, and bonding the surface of the second film coating surface of the second film coating piece to the third film coating piece and the fourth film coating piece. The problem that in the prior art, machining of optical parts is difficult to meet the high-standard quality requirement is solved.

The invention discloses a double-end roller welding device, which relates to the technical field of welding and comprises a base, a guide groove I, a movable seat I, a spline shaft I, an adjustable clamping mechanism II, a spline shaft II, a screw rod II, a movable seat II, a welding gun fixing frame and the like. A first screw and a second screw are driven by a first motor, the distance between roller clamping mechanisms can be easily adjusted according to the length of a roller by means of ingenious cooperation of a movable seat and a guide groove, rollers of different sizes can be accurately matched, a stable foundation is provided for subsequent welding, and the universality and practicability of equipment are greatly improved; the adjustable clamping mechanism is ingenious in design, the third motor drives related parts to be in linkage, the self-centering chuck efficiently and stably clamps the welding pieces, the symmetrical structure of the adjustable clamping mechanism ensures clamping consistency and reliability of the welding pieces at the two ends of the double-end roller, welding errors caused by uneven clamping are effectively reduced, and the welding quality and the product precision are improved.

The utility model discloses a stainless steel pot trimming equipment, including machine table, rotation device, hold-down gear and cutting device, rotation device includes first frame, driving spindle, driven spindle and first drive mechanism, first frame is fixed connection on machine table, driving spindle is horizontally arranged and rotatablely connected on first frame, driven spindle is fixed on first drive mechanism. One end of the driving rotating shaft is fixedly connected with a first flange plate, the first driving mechanism is connected with the other end of the driving rotating shaft and can drive the driving rotating shaft to rotate, and the driven rotating shafts are used for sleeving stainless steel kettles and have different specifications; the first flange plate and the second flange plate are detachably and fixedly connected through bolts; the pressing device is used for pressing the stainless steel kettle onto the driven rotating shaft; the cutting device is used for cutting stainless steel kettles. The embodiment of the utility model can quickly adapt to the machining requirements of workpieces with different sizes.

The invention discloses an injection molding device with a circulating cooling function, and relates to the technical field of injection molding devices.The injection molding device comprises a feeding mechanism, an injection molding mechanism, a transmission mechanism and a temperature control mechanism, the feeding mechanism and the injection molding mechanism are connected in a fastened mode, the transmission mechanism and the injection molding mechanism are connected in a fastened mode, and the temperature control mechanism and the injection molding mechanism are connected in a fastened mode; the temperature control mechanism is communicated with the feeding mechanism, the feeding mechanism is communicated with the injection molding mechanism, the temperature control mechanism is in fastening connection with the injection molding mechanism, the temperature control mechanism is communicated with the injection molding mechanism, the transmission mechanism is in fastening connection with the injection molding mechanism, opening, closing and injection molding actions of the injection molding mechanism are driven by the transmission mechanism, and the temperature control mechanism is in fastening connection with the injection molding mechanism. The temperature control mechanism adjusts the temperature of the injection molding mechanism and the temperature of the feeding mechanism, and raw materials enter the injection molding mechanism through the feeding mechanism and are heated and plasticized under the action of the temperature control mechanism.

The present invention discloses a method for analyzing the chemical composition and content determination of Chlorophytum comosum based on liquid chromatography-quadrupole-electrostatic field orbital trap tandem mass spectrometry, including preparing a reference solution, preparing a test solution, and chromatographic analysis, wherein the chemical composition analysis also includes mass spectrometry analysis and data processing. This application is the first to simultaneously quantitatively analyze three types of components in Chlorophytum comosum, namely flavonoids, phenylethanoid glycosides, and organic acids. The results show that the contents of these five components in medicinal materials from different origins vary greatly, which may be due to factors such as different origins, growth environments, climatic conditions, and harvesting times that affect the accumulation of compounds in plants. The specific reasons need further study.

This disclosure relates to the technical field of strip steel right-angle edge protection processing equipment. One embodiment of this disclosure provides an edge protection processing device for strip steel production, which includes: a frame and a drive motor. The drive motor is disposed at the bottom of the frame, a feeding assembly is disposed on the frame, a directional sleeve is fixed on the surface of the frame, and a conveying and forming assembly is disposed on the frame. The conveying and forming assembly includes a pair of conveying rollers, both of which are rotatably connected to the frame. Each conveying roller has a transmission gear at its upper end, and the transmission gears mesh with each other. One of the conveying rollers is controlled to rotate by a motor. A first hydraulic cylinder and a second hydraulic cylinder are respectively disposed on the frame. Through the above technical solution, the technical problem of the prior art, which usually involves first transporting the strip steel to the bending area, bending it using a specific mold and pressure equipment, and then pushing it backward after forming before cutting, cannot be completed simultaneously.

This invention discloses an automatic metal surface drilling device, including a drilling platform, a vertical drilling assembly, a coolant nozzle, a deformable support plate, and a moving assembly. The vertical drilling assembly is equipped with a tool changing module, enabling automatic switching between roughing and finishing tools. The coolant nozzle is equipped with a gas-liquid mixing valve that sprays a mixed fluid containing microbubbles, which help to lift waste chips to the surface. The deformable support plate is housed in a sleeve and automatically unfolds after being pushed out to form a rigid support surface, allowing it to reach into the drilled hole to remove residual waste chips. The moving assembly drives the sleeve to switch between machining, chip removal, and unloading stations. This invention combines gas-liquid suspension chip removal with physical chip removal by the support plate, which can thoroughly remove waste chips from the drilled hole, preventing waste chips from scratching the hole wall during finishing. The entire process is automated, effectively improving drilling accuracy and production efficiency, and is suitable for the batch processing needs of high-precision blind holes and deep holes.

The present application relates to the technical field of turbine double-sided array blade processing of an aero-engine, and particularly relates to a turbine double-sided array blade integrated forming electrolytic machining tool and method, through the continuous feeding of the left and right tool cathodes to the direction of the part to be processed at the same time, the double-sided array blade is simultaneously machined; the machining tool comprises a cathode clamping block, a tool cathode, a sealing device and a support seat device; a plurality of electrolyte input channels are arranged on the left and right sides of the support seat, the liquid of the electrolyte input channels passes through the flow blocking cavity of the sealing device, the electrolyte is integrated and then flows into the machining area, then flows to the current collection area arranged in the cathode clamping block through the built-in plastic insulation device of the tool cathode, and finally flows out of the electrolyte output channel. Through the double-sided multi-feature integrated forming electrolytic machining technology, the machining efficiency and machining precision can be improved; the electrolyte flow channel adopting the reverse flow type flow field design can effectively improve the uniformity of the flow field.

The invention discloses a portable X-ray machine for measuring osteoporosis, and relates to the technical field of medical equipment.The X-ray machine adopts 18-26 V wide-range low-voltage power supply, primary boosting is performed through a full-bridge inverter circuit and a high-voltage transformer, secondary boosting is performed through a single-side CW voltage doubling rectifying circuit, the output voltage ranges from 30 kV to 80 kV, and the tube current ranges from 0.1 mA to 1 mA. A pseudo dual-energy imaging technology is introduced, low-energy and high-energy X-rays are used for imaging respectively, artifacts are reduced through continuous multi-image taking and contrast synthesis, and the imaging quality is improved. And the overexposure risk of the CCD camera is reduced by adopting an accurate dose control and delayed exposure technology. And a glue sealing insulation design and a split type structure are adopted, so that the equipment volume is reduced, and the portability is improved. Through integration of multiple technologies, the portable X-ray machine which is efficient, safe, capable of reducing measurement errors and radiation cost is provided, and the portable X-ray machine is suitable for osteoporosis detection.

The invention discloses macadam laying equipment for a box girder support embedded plate and an operation method thereof.The macadam laying equipment comprises a macadam placing mechanism, a macadam pressing mechanism and a support embedded plate placing table, the macadam placing mechanism and the macadam pressing mechanism are both installed on a walking mechanism, and the support embedded plate placing table is used for placing the support embedded plate; the walking mechanism is installed on one side of the support pre-buried plate placing table, the gravel placing mechanism can place gravel on a support pre-buried plate, and the gravel pressing mechanism can downwards extrude the placed gravel. The broken stone laying equipment composed of the broken stone placing mechanism, the broken stone pressing mechanism and the support embedded plate placing table is adopted, accurate broken stone laying can be achieved, the broken stone laying quality and position precision are improved, the problems of high labor intensity and time and labor waste caused by manual laying are solved, laying pressing is conducted through automatic walking, and the efficiency is high.

This invention relates to the field of welding deformation prevention technology and provides a welding deformation prevention and fixing device for membrane wall tubes. The device includes a welding table with a fixing frame fixedly connected to it. The fixing frame has a fixing mechanism, and the fixing mechanism contains a cooling channel that can be connected to an external water-cooling tank via a water pipe and pump. The device also includes a control system comprising a clamping pressure adaptive control module. This module constructs an adaptive control model based on a reference clamping force, transient instability probability, and current wall tube vibration intensity, outputs a dynamic clamping force setpoint, and controls the fixing mechanism. This invention can dynamically adjust the clamping force of the fixing mechanism according to the transient instability probability and real-time vibration intensity of the membrane wall tube during welding. This makes the clamping force no longer a static preset value but can respond in real time to dynamic changes during welding, effectively addressing the problem of insufficient static constraint force when instantaneous thermal stress or vibration intensification occurs.

The present application belongs to the technical field of mechanical cutting tool manufacturing, and particularly relates to a micro-textured tool based on laser micro-cladding in-situ forming, a preparation method and application thereof. Specifically, the present application successfully prepares a multi-layer coated tool with a micro-textured morphology. The tool has the advantages of micro-texture, laser cladding layer and multi-layer coating structure, and has high hardness, good self-lubricating performance, good toughness, strong coating adhesion and small internal stress of the coating, and will not produce defects such as deformation or micro-cracks of the tool substrate material. In the cutting process, the tool can effectively reduce the cutting force and cutting temperature, reduce tool wear and improve tool life, and can be widely applied to dry cutting and cutting of difficult-to-machine materials, and therefore has good practical application value.

The utility model provides a die which comprises a fixing assembly, and the fixing assembly comprises a die strip frame, a through groove, a fixing clamp, a wire, a plug tool and a feeding pipe. Through grooves are evenly formed in the upper surface of the mold strip frame, fixing clamps are installed on the inner side walls of the through grooves, wires are detachably and fixedly connected to the inner side walls of the fixing clamps, plug tools are evenly and fixedly connected to the upper surface of the mold strip frame, and power line plugs are inserted into the tops of the plug tools. And the upper surface of the mold strip frame is fixedly connected with a feeding pipe. According to the utility model, the feeding pipe is arranged on the mold strip frame, so that the appearance quality and the size precision of a product are improved in the injection molding process, the molded product does not need to be subjected to water gap trimming, the production efficiency is improved, a lead is clamped and fixed through the fixing clamp, and the fixing requirements of leads with different shapes and sizes can be met; the mold does not need to be designed according to the size of the wire, and mold universality is improved.

The utility model relates to the technical field of cutter production, provide a kind of hard alloy cutter fine grinding tool, including bottom plate, the bottom plate is provided with polishing part, the bottom plate is provided with clamping assembly, the clamping assembly is used to clamp workpiece to be processed;The polishing part includes installation part and polishing part, one end of the installation part is fixedly connected with one end of polishing part, one side of the polishing part is set as cambered surface, the projection of the cambered surface is towards the recess of workpiece to be processed and is set;The end of the installation part away from polishing part is provided with sliding portion, the sliding portion is slidably arranged on the bottom plate along the length direction of bottom plate, the length direction of the polishing part is parallelly arranged with the length direction of bottom plate, the utility model can improve the processing effect of double-end hard alloy cutter bottom burr.

The invention relates to the technical field of circuit board processing, in particular to a pneumatic vibration main shaft for circuit board processing and a circuit board drilling method. The main shaft comprises a main shaft shell, a floating rotating shaft and a pneumatic vibration assembly. The pneumatic vibration assembly is provided with a first air pressure cavity and a second air pressure cavity which are oppositely arranged in the axial direction of the floating rotating shaft, and a first air path and a second air path which are communicated with the two cavities and can independently control air pressure. By controlling the air pressure of the two air paths, a controlled air pressure difference is formed between the two cavities, so that the floating rotating shaft is driven to generate axial reciprocating vibration. Axial micro-vibration of the drill point is achieved through the pure pneumatic principle, chip removal in the drilling process is effectively promoted, the hole wall quality and the drilling precision are improved, and the system is simple in structure and high in anti-interference capacity.

This utility model relates to the field of mold technology and discloses a burr relief groove structure inside a mold, including a strip and a lower mold plate. The strip is movably connected to the top of the lower mold plate. Multiple trimming punches are provided inside the lower mold plate. Burr relief grooves are machined around the trimming punches. A floating pin is movably connected inside the lower mold plate. The top of the floating pin is in contact with the bottom of the strip. Equidistant stepping is achieved through positioning holes, floating pins and a feeding mechanism. The lower mold plate provides a precise assembly reference to ensure the positional accuracy of the trimming punches and the strip. The burrs generated by the trimming punches are collected by the burr relief grooves and discharged with the strip, ensuring smooth feeding and stable and efficient operation of the continuous stamping process. The final product is a high-precision stamped part, which can reduce surface defects, improve the appearance quality and dimensional accuracy of the product, and reduce quality problems such as product damage.

The utility model relates to cross -film self -adhesion waterproof roll material technical field, concretely is a kind of cross -film self -adhesion waterproof roll material production equipment, it includes production table, preheating tensioning mechanism, cooling mechanism and sliding block: preheating tensioning mechanism is set in the end of production table;Cooling mechanism is set in the top of workbench;Sliding block is slidably arranged on preheating tensioning mechanism.The utility model is through the setting of winding assembly and preheating tensioning mechanism, motor one is rotated winding by winding roller and is rolled, motor two drives the air in preheating roller to flow quickly to thus accelerate the preheating of preheating roller, spring two and spring three can be according to the size of roll material adjust the position of pressing plate and preheating roller, like this can ensure that roll material keeps flat in production process, avoid the wrinkle, deformation or thickness uneven caused by slackening, to improve the appearance quality and size precision of roll material, and make roll material base material and glue layer heat consistent, avoid the performance difference caused by local overheating or supercooling.

The utility model discloses a kind of double-end punching positioning tool of cylindrical guardrail rail, is related to guardrail auxiliary processing device technical field, including fixed frame and bracket set on fixed frame;Bracket is provided with the supporting groove for the guardrail rail clamping into;The supporting height of supporting groove is consistent with the clamping height of puncher, so that the guardrail rail supported between the two is kept horizontal;Two side walls of supporting groove are oppositely provided with positioning hole, and the diameter of positioning hole is same with the diameter of punching;Positioning pin is detachably installed in positioning hole;When the punching of one end of guardrail rail is completed, punch the other end, overturn guardrail rail, adjust the punching of guardrail rail to make it align with positioning hole, then install positioning pin between the two again.By setting fixed frame and bracket, bracket is provided with supporting groove, positioning hole is set on the two side walls of supporting groove, and positioning pin is detachably installed in positioning hole, solve the problem of error existing in manual visual inspection or measurement, improve guardrail rail processing precision and installation quality.

The invention relates to the technical field of surface coating fluid equipment, in particular to an automatic gluing and stretching device for a photovoltaic frame. The device comprises a rack, a tension system, an automatic gluing system and jacking equipment, wherein the tension system realizes uniform tensioning of a silk screen through a longitudinal stretching module and a transverse stretching module; the automatic gluing system completes efficient gluing through a three-dimensional moving mechanism and a coating assembly and has a cleaning function. And the operation stability and accuracy are ensured through the jacking equipment. The device achieves the effects of improving the production efficiency, ensuring the product quality and reducing the labor cost.

The invention discloses a preparation method of a reinforced ultra-high molecular weight polyethylene composite material, and relates to the technical field of composite materials, and the preparation method comprises the following steps: S1, firstly, accurately weighing ultra-high molecular weight polyethylene, aramid fiber and nano titanium dioxide, drying at 80 DEG C for 4-6 hours, modifying the surface of titanium dioxide, and the like. Through composite use of ultra-high molecular weight polyethylene, aramid fiber and nano titanium dioxide, high strength and toughness are provided, the rigidity and wear resistance of the composite material are improved, titanium dioxide surface modification treatment is carried out, so that the composite material has excellent melt index performance, and when automobile interior trim parts are subjected to injection molding, the impact resistance of the automobile interior trim parts is improved. Due to the good melt index performance, the material can be more easily filled in a complex cavity of a mold, parts with various shapes and high detail requirements can be accurately molded, the appearance quality and the assembly precision of interior trim parts can be improved, the rejection rate caused by molding defects is reduced, and the cost is reduced.