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6830results about How to "Improve quality and efficiency" patented technology

Continuous biomass low-temperature pyrolytic charring method and charring furnace thereof

InactiveCN102226092ARealize continuous carbonization productionImprove raw material adaptabilityDirect heating destructive distillationBiofuelsCombustion chamberRetention time
The invention discloses a continuous biomass low-temperature pyrolytic charring method and a charring furnace thereof, belonging to the fields of biomass charring and biomass energy source utilization. The furnace body of the charring furnace adopts a screw propelling feed mode, and the power is derived from the drive of a motor; an external heating cylinder is sheathed outside an internal heating cylinder of the furnace body, the internal cylinder and the external cylinder are spaced, and the internal flue inside the sleeve has a labyrinth path to ensure heat supply from hot flue gas to pyrolytic reaction to uniformly heat a biomass raw material; and during charring, the generated flue gas supplies heat to a reaction cylinder after combustion in a combustion chamber, and the hot flue gas enters a heat exchanger device to dry the raw material after flowing through the sleeve. Through screw propelling, the method disclosed by the invention realizes continuous low-temperature pyrolytic charring reaction, and realizes accuracy control of the retention time of the biomass inside the charring furnace; and the furnace body adopts a sleeve structure, which fully utilizes the afterheat of the charring flue gas, and the reaction cylinder adopts interior heating and outer wall heating together, which enhances the uniformity characteristic of the temperature inside the reaction cylinder and prolongs the service life of an auger shaft.
Owner:NANJING NORMAL UNIVERSITY

Power type lithium battery full-automatic production line and production technology thereof

The invention relates to a power type lithium battery full-automatic production line and a production technology thereof. The power type lithium battery full-automatic production line mainly consists of a pole piece manufacturing unit, a battery assembling unit, a battery liquid injecting unit and a factory processing unit; each unit key equipment electrical control system is composed of a PLC, an industrial personal computer, a hydraulic and pneumatic component; the PLC controls each mechanism of the equipment to act in a coordinated manner; and the industrial personal computer collects data to realize the function that the data of the whole line can be stored, read and the like. The main effects lie in that mutual matching of production efficiency of each unit is realized through key debugging for production parameters, a conveyor is adopted in an intermediate link, and full automation of production process is finally realized; the production line is compatible with multi-standard battery production requirements, the production when the product is remodeled can be realized just by adjusting the equipment parameters and replacing partial work fixtures, and order form-based production requirement of the product is met; key equipment and technology on the line are independently researched and developed, the operation is reliable and stable, and the production line has higher cost performance.
Owner:东营黄蓝知识产权运营管理有限公司

Laser lap welding gap detecting system and laser lap welding gap detecting method based on molten pool image visual sensing

ActiveCN103506756AMeet the requirements of seam trackingImprove quality and efficiencyLaser beam welding apparatusAnti jammingDisplay device
The invention discloses a laser lap welding gap detecting system and a laser lap welding gap detecting method based on molten pool image visual sensing. The detecting system is a visual sensing system and comprises a CMOS camera, a light filtering system, a secondary light source, an image capture card, a computer, a display and the like, wherein the CMOS camera has a LinLog photosensory technology. According to the detecting method, the secondary light source and emitted light of molten pools are used as light sources; plasma is filtered out by utilizing the light filtering system, and light intensity is adjusted; the computer is used for collecting and displaying molten pool images in real time, wherein the molten pool images are obtained by the CMOS camera; molten pool image edges and areas and orifice image edges and areas are extracted and calculated by utilizing a Labview image processing platform, and the quantitative relations between molten pool sizes and orifice areas and between the molten pool sizes and orifice gaps are obtained. The detecting system is simple in structure, clear in monitoring image, high in light signal detecting accuracy, strong in anti-jamming capacity, good in engineering practicability and capable of monitoring laser welding of T-type overlap joint gaps in real time.
Owner:SHANGHAI JIAO TONG UNIV

Automatic spot welding equipment

The invention relates to automatic spot welding equipment which comprises a stand and a workbench arranged on the stand, wherein the workbench is provided with a battery feed mechanism, a steel band feed mechanism, a transfer mechanism, a welding tab cut-off mechanism, a welding mechanism and a good product blanking mechanism, wherein the battery feed mechanism and the steel band feed mechanism are respectively used for feeding a battery and a steel band connected with a welding tab into a welding station; the transfer mechanism is used for bearing and transferring the battery; the welding tab cut-off mechanism is used for cutting off the welding tab on the steel band; the welding mechanism is used for welding the welding tab to the anode end and the cathode end of the battery; the transfer mechanism is provided with a battery clamping seat used for clamping the battery, and an elastic piece inwards pressing the battery is arranged on the battery clamping seat; and the mechanisms are connected with a master control circuit. In the invention, the structural design of the equipment is reasonable, and the automatic feeding, the welding and the property detecting of the battery and the steel band are realized by adopting electrical control, thus the equipment has the advantages of high feed speed, high welding precision and good welded product quality, improves the quality and the production efficiency of the welded product, reduces the labor intensity of workers, saves the production cost and is particularly suitable for producing batteries welded with welding tabs in batches, thereby improving market competitive force of enterprises.
Owner:GUANGDONG LYRIC ROBOT INTELLIGENT AUTOMATION CO LTD

Method and device of disposing holes on carbon fiber composite material and meal material which are overlapped

The invention relates to a method and device of disposing high-quality holes on carbon fiber composite material and meal material which are overlapped, belonging to the field of the mechanical processing and manufacturing technology. The method of disposing high-quality holes on the carbon fiber composite material and the meal material which are overlapped is characterized in that in the process of disposing holes on the carbon fiber composite material and the meal material which are overlapped by a device of disposing holes, such as a polycrystalline diamond (PCD), a coating, a cemented carbide bit and a diamond grinding rod, the rotating speed and the feeding speed of a cutter are automatically changed according to the materials on which holes are to be disposed by the hardware triggering or software numerical-control programming control mode of a feeding position sensor set so that the cutter can be in the optical process parameter state. The device of disposing high-quality holes on the carbon fiber composite material and the meal material which are overlapped is characterized by comprising a body, the cutter the handle of the cutter, an electric main shaft, the feeding position sensor set, a vertical feeding sliding-platform, a main shaft variable-frequency speed-regulating system and a hole disposing device numerical control system. The invention realizes the adaptive continuous processing, obviously improves the quality and the processing efficiency of holes disposed integrally on different overlapped materials and lowers the production cost.
Owner:DALIAN UNIV OF TECH

Dynamic pressure cavitation jet polishing device of colloidal flow and method

The invention discloses a dynamic pressure cavitation jet polishing device of colloidal flow and a method, relating to a polishing device and a method and aiming at solving the problems that the existing polishing method of the ultrasmooth surface has low processing efficiency and high cost, the adaptability of the work piece material is limited and the existing polishing device of the ultrasmoothsurface has complex equipment and high maintenance cost. The device is characterized in that a cavitation jet device is fixed on a bracket; the input end of the cavitation jet device is connected with an outlet of a first flow reversing valve by a pipeline. The method comprises the following steps: (1) the polished work piece is immersed with 10 to 200mm by the colloidal polished liquid level; (2) the oil pressure of the cavitation jet device is 0.5 to 15MPa; (3) the cavitation jet pressure is 0.5 to 15MPa; and (4) the cavitation jet device is arranged in colloidal polishing liquid, the cavitation jet device sprays to the work piece at the speed of 15 to 250m / s, and after polishing, the work piece is taken out, namely the polished work piece. The invention is used for ultraprecise and ultrasmooth polishing of optical glass, microcrystal glass, semiconductor materials and monocrystal materials.
Owner:HARBIN INST OF TECH

Motor producing quality monitoring and managing system and corresponding method

The invention discloses a motor producing quality monitoring and managing system and a corresponding method. The system comprises a quality monitoring subsystem and a material circulating subsystem. The quality monitoring subsystem comprises a workshop control center, a master control center, a workshop electronic display board, producing lines and unit quality detecting points. The material circulating subsystem comprises turnover boxes of products in process on the producing lines, turnover boxes of qualified products of the detecting points and defective product turnover box. Batch processing of turnover boxes with pasted RFID electronic labels is used during the producing process, and products with the same model number in the same batch use the same turnover box. The RFID electronic labels on the turnover boxes at the working positions are read and written, so that production information of each procedure is recorded, and when product reject ratio exceeds an alarming value, alarming information is timely generated. After production, the producing record of a product of each model number of each worker during the producing process is analyzed, so that next production arrangement is helped to be optimized, productivity is arranged reasonably, and the fact that producing quality is improved stably is guaranteed.
Owner:INST OF AUTOMATION CHINESE ACAD OF SCI

Method and clamp for moulding surface positioning clamping of finish forge blade

The invention relates to a method and a clamp for moulding surface positioning clamping of a finish forge blade. According to the method, a vane is subjected to positioning clamping through a basin mounding surface of the blade, an inner side moulding surface of a blade root marginal plate, and a V point on the inner side mounting surface of the blade root marginal plate, by the positioning of an air inlet edge, and the clamping of a back mounding surface of the blade, as well as by using a high-accuracy positioning adhesive, and an adhesive coating method, and through a positioning block of the basin moulding surface of the blade and a clamping block of the back moulding surface of the blade. According to the method and the clamp, a satisfying contact area can be obtained by adoption of the high-accuracy adhesive, and the positioning rigidity of the blade is enhanced by adoption of the basin moulding surface of the blade, the inner side moulding surface of the blade root marginal plate and the V point on the inner side moulding surface of the blade root marginal plate for the positioning. According to the method and the device, the problems that the accurate positioning is difficult to realize and the moulding surface of the blade deforms or is damaged because the blade is thin, the blade body is small and the moulding surface is complex are solved. By the method and the device, the positioning accuracy of the mechanical processing of the blade is improved, and the technological process is optimized, so that the processing quality and the production efficiency of the blade are improved, the process is simple, the number of fixtures is reduced, the processing cycle is shortened, and the production cost is reduced.
Owner:AECC AVIATION POWER CO LTD

Flexible welding robot system and welding method thereof

The invention discloses a flexible welding robot system and a welding method thereof. The welding method comprises the following steps: a global vision unit recognizes image information of a to-be-welded workpiece and locates the position of the to-be-welded workpiece; a flexible welding robot unit precisely recognizes the position of a to-be-welded workpiece through a precise positioning visual assembly, an image processing control machine solves a welding path, and the flexible welding robot conducts welding operation. A flexible detection robot unit recognizes the geometric dimension and quality of the appearance of a welded workpiece through a stereoscopic vision detection assembly, generates a welding quality report according to parameter information set by a user, and transmits a position with the welding deviation exceeding a threshold value and deviation value information to the flexible welding robot for repair welding. A master control unit executes image processing, data communication and motion control of the welding robot and the detection robot; and a workbench unit is used for quickly clamping different types of welding workpieces. The harm of welding operation to the body of a worker is avoided, and high flexibility and intelligence of the flexible welding robot system are achieved.
Owner:XIAN ZHONGKE PHOTOELECTRIC PRECISION ENG CO LTD

Drying unit of nitrogen-source heat pump

The invention discloses a drying unit of a nitrogen-source heat pump, comprising a drying box, a control system and an outdoor condenser, wherein the drying box comprises a box body, a heat pump chamber and a drying chamber; and the heat pump chamber and the drying chamber are arranged in the box body. The drying unit forms drying gas adjusting equipment with a nitrogen source, heat-pump equipment and a nitrogen device form a nitrogen heat-pump combining device so as to construct a closed circulation loop which adopts nitrogen as a medium to dry materials and effectively control the content of nitrogen in the drying chamber; and high-viscosity glass cement is used for sealing internal and external gaps of a drying room, a ventilating channel is modified, and a baffle, an arc-shaped air guide plate and an air uniformizing plate are added to enable the gas drying medium to be uniformly distributed in the drying chamber under certain air speed. The drying unit disclosed by the invention has the beneficial effects that the heat pump and a nitrogen combining device are used, the advantages of no pollution and low energy consumption of the heat pump can be fully utilized, the materials are dried under the condition of adopting nitrogen as a drying medium, the oxidation of the materials is prevented, the nutritional ingredients of the materials are retained, and the quality of dried products is improved.
Owner:HENAN UNIV OF SCI & TECH

Construction process of cast-in-situ bored pile

The invention relates to a construction process for the pile foundation in the civil engineering, in particular to a construction process of a bored pouring pile. During the process, a steel casing is sunk on the upper surface of the dense soil layer at the soft soil layer section; the wall of the pile is protected by the steel casing; subsequently, a rotary excavation drilling machine with a friction-typed drilling rod is used for forming hole; at the dense soil layer section, the rotary excavation drilling machine with a lock-typed drilling rod is used for forming hole. Therefore, the boring deviation and diameter enlarging of the pile can be effectively avoided; the pile quality and the operation efficiency are improved; if the dense soil layer section contains the substance with plenty of underground water, the slurry is used for protecting the wall of the pile during the hole-forming process; after the hole is completed, the hole is arranged statically for certain a time; the sunk slag at the bottom of the pile is removed by a cylindrical drilling bucket; and if the dense soil layer contains the substance which has no underground water basically or has little underground, the dry hole-forming method is used. The construction process can avoid collapsing of the hole, reduces the displacement of the slurry and reduces the pollution to the environment.
Owner:THE FIRST COMPARY OF CHINA EIGHTH ENG BUREAU LTD

Production method for spray-drying Chinese yam powder without using sulfur to protecting color

The invention relates to a production method for spray-drying Chinese yam powder without using sulfur to protecting color. The Chinese yam is prepared from fresh Chinese yam and is obtained by the steps of microwave enzyme deactivation, shelling, slicing, color protection, pulping, grinding, vacuum condensation, homogenization, spray-drying, vacuum packaging and microwave sterilization. The Chinese yam raw material is deactivated by microwave at temperature of 60 DEG C, cut to slice, and is soaked in sulfur-free color protection liquid containing phytic acid, Ethylenediaminetetraacetic acid disodium, vitamin C and citric acid, the color protection liquid and the Chinese yam slice is pulped together and is milled by a colloid mill, the Chinese yam slurry is concentrated by a vacuum condensation equipment until the content of solid is 15-25% and is homogeneously processed, homogenized liquid material is sprayed and dried by a centrifugal spray-drying machine, the obtained Chinese yam powder is packaged by vacuum and is sterilized by a microwave sterilization equipment to prepare the sulfur-free Chinese yam powder product. The invention has high production efficiency and low cost, the produced Chinese yam product has good color, high safety and complete nutrient composition, and can applied for field such as foodstuff, medicine and cosmetic product.
Owner:袁书林

Detection and control system for container corrugated plate welding track based on laser ranging

The invention relates to a detection and control system for a container corrugated plate welding track based on laser ranging, comprising a laser displacement sensor, a welding torch pose adjusting device and a circuit control device. The laser displacement sensor and the welding torch pose adjusting device are connected with the circuit control device through a circuit; one end of a welding torch space position and pose adjusting mechanism is fixed on a stand; and the laser displacement sensor is arranged at the lower end of the welding torch space position and pose adjusting mechanism. Through the diction of the corrugated plate welding line, the control of the welding torch pose and the automatic control of the welding process, the invention achieves the effect that the thickness of welding lines of a downslope welding section from a wave crest to a wave trough, a upslope welding section from a wave trough to a wave crest, a wave crest tangential path and a wave trough are consistent, remarkably improves the uniformity of welding lines of each welding section, greatly reduces the labor intensity of workers, reduces the manual expense of production and is fast and convenient to adjust parameters. The welding speed is more than three times of general manual welding or profile modeling welding, and automatic control is available in the whole process.
Owner:SHANDONG UNIV

Modular automatic pick-up fitting device based on air flotation technology

The invention relates to a modular automatic pick-up fitting device based on an air flotation technology. A floating platform is arranged above an air flotation supporting AGV, an air flotation mechanism under the floating platform is connected to an air flotation plane on the air flotation supporting AGV, a plane pose operating mechanism is arranged in the middle position on the floating platform, two circular guide rails which are parallel to each other are arranged on a lifting platform, a pitching platform is arranged on the two circular guide rails, an automatic cabin section bracket and a driven cabin section bracket are arranged on the pitching platform, the automatic cabin section bracket and the driven cabin section bracket are parallel to each other, bracket rollers are arranged in the automatic cabin section bracket, a roller driving motor is arranged on the outer side of the automatic cabin section bracket, the output end of the roller driving motor is rotatably connected to one of the bracket rollers in the automatic cabin section bracket, bracket rollers are arranged in the driven cabin section bracket, rollers are arranged under the pitching platform, the rollers are rotatably connected to the circular guide rails, and a pitch attitude operating mechanism is arranged on one side of the pitching platform.
Owner:HARBIN INST OF TECH
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