3181results about How to "Easy loading" patented technology

The invention provides an automatic positioning and cleaning device for detecting the strength of a concrete test block, the automatic positioning and cleaning device comprises a base, the top of the base is fixedly provided with vertical support rods in a rectangular array, the tops of the four support rods are fixedly provided with a mounting plate, and the mounting plate is fixedly provided with a vertical electric cylinder; a piston rod of the electric cylinder is fixedly provided with a mounting block, and the bottom of the mounting block is provided with a pressure detection assembly. According to the device, the detection position of the concrete test block is automatically positioned, so that a worker does not need to manually place the concrete test block at the center of the top of the lower pressing block, and the device is relatively convenient; when concrete is unqualified and strength detection is carried out on the concrete, a moving mechanism is controlled to act to enable a connecting block to be far away from a fixing block and enable a cleaning shell to move to one side, far away from a supporting plate, of a lower pressing block, so that fragments at the top of the lower pressing block can be cleaned through two cleaning brushes, and workers do not need to manually clean the fragments; and the workload of workers is reduced.

The invention relates to the technical field of water treatment, in particular to a single-village water plant energy consumption optimization scheduling method and system combined with big data analysis. Comprising a water quality and energy consumption parameter acquisition module, a data storage and management module, a dynamic water quality treatment demand prediction module, an adaptive energy consumption optimization scheduling module, a real-time scheduling and feedback control module, a water quality and energy consumption trend analysis module, an emergency response module and a user demand and water quality feedback module. Water quality treatment requirements are predicted through a multi-layer perceptron model, an optimal energy consumption scheduling scheme is generated in combination with a genetic algorithm and a particle swarm optimization algorithm, dynamic balance of water quality treatment and energy consumption optimization is achieved, and the system dynamically adjusts water quality treatment standards and energy consumption strategies based on water use requirements and feedback of users. The water quality safety is ensured; meanwhile, the water plant energy consumption is optimized. The energy consumption waste of the water plant is effectively reduced, and the overall operation efficiency of the water plant is improved.

The invention provides a multifunctional electric energy metering box, and relates to the technical field of electric energy metering boxes, the multifunctional electric energy metering box comprises an electric energy metering box, communication grooves are formed in two side walls of the electric energy metering box, first inner grooves are formed in the two communication grooves, and first heat dissipation openings and second heat dissipation openings are formed in two side walls of the electric energy metering box; the two second heat dissipation openings are located below the two first heat dissipation openings, an electric energy metering box door is hinged to the electric energy metering box, an observation window and a control panel are arranged on the electric energy metering box door, a containing groove is formed in the side wall of the electric energy metering box, a protective cover is fixedly installed on the side wall of the electric energy metering box, and the protective cover is located over the containing groove. The top of the inner wall of the electric energy metering box is fixedly provided with a fixed box body. The self-adaptive mechanism of the equipment reduces faults caused by overheating or moisture, reduces the maintenance cost, protects electrical elements, ensures the stable operation of the whole system, and improves the reliability and stability of the equipment.

The invention relates to the technical field of gear forging, and discloses a heat pipe type gear blank forging die which comprises a supporting rod, a machining table is fixedly connected to the top of the supporting rod, a pressing mechanism is arranged on the left side in the machining table, a movable feeding mechanism is arranged on the right side in the machining table, and a clamping mechanism is arranged at the back end of the machining table. The movable feeding mechanism comprises a moving assembly and a feeding assembly, the moving assembly is arranged on the right side in the machining table, the feeding assembly is arranged on the top of the moving assembly, the moving assembly comprises a supporting frame, and the supporting frame is fixedly connected to the bottom of the machining table. The first rack drives the second rack to move through the rotating gear, the second rack drives the push plate to move through the moving block, the push plate can drive the moving frame to move, the moving frame can drive the clamped blank to move to the top of the lower die, workers can conveniently feed the blank, the workers do not need to manually feed the blank, and the working efficiency is improved. The dangerousness is reduced.

The invention discloses a piece-by-piece feeding device and method for box body assembling, and belongs to the technical field of box body machining. The piece-by-piece feeding device comprises a rack, and two pushing assemblies used for preliminarily feeding stacked thick paperboards and aligning the stacked thick paperboards in the left-right direction are symmetrically installed on the leftmost side of the rack in the front-back direction; the right side of the pushing assembly is provided with a feeding assembly used for aligning the stacked thick paperboards front and back and alternately feeding the stacked thick paperboards in a double-station mode, the middle side of the feeding assembly is provided with a conveying assembly used for feeding the stacked thick paperboards one by one, and the right side of the feeding assembly is provided with a board supporting assembly used for assisting in supporting the thick paperboards for feeding. And a gluing machine for gluing the thick paperboard is arranged on the right side of the supporting plate assembly. By means of the mode, sheet alignment in the front-back direction and the left-right direction can be carried out while double-station alternate feeding is carried out, continuous sheet-by-sheet feeding can be carried out on sheets, and machining of the next station is facilitated.

The invention provides a battery cell and electric equipment, the battery cell comprises a shell and an electrode assembly, and the electrode assembly is accommodated in the shell; the shell comprises a first wall and a second wall which are oppositely arranged in the thickness direction of the battery cell, the first wall comprises a first sub-wall, a second sub-wall and a first connecting wall, the second sub-wall protrudes out of the first sub-wall in the direction away from the second wall, and the first connecting wall is connected with the first sub-wall and the second sub-wall; the distance between the first sub-wall and the second sub-wall is H1 along the thickness direction of the battery cell, and H1 is more than 0mm and less than or equal to 1.5 mm; and the included angle between the first connecting wall and the thickness direction of the battery cell is theta1 which is more than 0 degree and less than or equal to 45 degrees. According to the technical scheme, the fitting property of the shell and the electrode assembly can be good, the gap between the first connecting wall and the electrode assembly is small, the energy density of the battery cell can be improved, the electrode assembly is not prone to shaking in the shell, and the stability of the battery cell is good.

The invention discloses a mechanical automatic welding device and a welding method.The mechanical automatic welding device comprises a material conveying table, a partition plate is fixedly installed in the middle of the material conveying table, and conveying rollers are fixedly installed at the positions, corresponding to the two sides of the partition plate, in the material conveying table at equal intervals; through operation of a feeding motor, meshing of a second gear and a first gear and meshing of a third gear and a second gear, a first material pushing plate and a second material pushing plate are driven to rotate synchronously, two pipe fittings with different diameters can be conveyed synchronously, and the central axes of the two pipe fittings coincide through arrangement of a first V-shaped frame and a second V-shaped frame; the positions of the two pipe fittings are detected through a visual camera, the pipe fittings are driven to move through operation of a first moving motor and a second moving motor correspondingly, the contact faces of the ends of the two pipe fittings are moved in the middle, and the contact faces of the ends of the two pipe fittings are arranged corresponding to the welding assembly; and the two pipe fittings can be conveniently positioned and welded.

The invention provides a layered optimization scheduling method and system for a wind power cluster and a medium, and relates to the technical field of power system optimization scheduling, and the method comprises the steps: determining evaluation indexes, obtaining the variable weight of each evaluation index, employing a membership function and a fuzzy comprehensive evaluation method, and obtaining the variable weight of each evaluation index; obtaining a membership score of each wind power plant of the wind power cluster under each evaluation index, and obtaining a comprehensive degradation score of each wind power plant; taking the ultra-short-term power predicted value of the wind power plant as the basis for judging the power change trend of the wind power plant, determining the climbing classification of the wind power plant, and determining the scheduling sequence of the wind power plant; on the premise that the power balance constraint between the wind power plants is met, the total output power of all the wind power plants is adjusted and controlled in real time according to the dispatching requirement for power increasing or power reducing of the wind power cluster and based on the dispatching sequence of the wind power plants of all the wind power plant groups. According to the method, the time-varying property and uncertainty of the wind power plant are fully considered, and the fatigue and fluctuation conditions of the whole wind power cluster are reduced.

The invention belongs to the technical field of power system data analysis, and relates to a power utilization habit-based power utilization abnormal behavior real-time analysis method and system, and the method comprises the steps: obtaining a historical power utilization data sample of a charging pile user, and carrying out the calculation to obtain a power utilization behavior habit interval; acquiring real-time power consumption data of the charging pile user according to a preset period, judging whether the real-time power consumption data is in the power consumption behavior habit interval, and if so, not giving an alarm; otherwise, giving an alarm; the advantages of wide coverage, high timeliness and high accuracy of power data are utilized, and the power utilization habit of the user is obtained through data analysis. Real-time power utilization data and historical power utilization habits are compared, abnormal power utilization behaviors are recognized, abnormal power utilization alarms are given out, and a charging pile operator is assisted in effective management, prevention and control; maintenance and upgrade plans of the charging piles are reasonably arranged, and usability of the charging piles is ensured. An electric power company can adjust an electric power supply strategy in advance, optimizes a power grid load, and avoids overlarge power grid pressure caused by a charging peak.

The invention provides laser cutting feeding equipment, and relates to the technical field of laser cutting equipment, the laser cutting feeding equipment comprises a feeding connecting piece, and the feeding connecting piece is provided with a row of lifting supporting pieces; two magnetic control pieces are respectively mounted at the bottoms of the row of lifting support pieces; the two rows of magnetic control pieces are respectively arranged on the feeding connecting piece; the row of lifting supporting pieces are used for supporting to-be-machined plates correspondingly. A path control piece is mounted on the feeding connecting piece; the path control piece is used for controlling the row of lifting supporting pieces to descend to prevent shielding, can support a to-be-machined plate in a rolling mode, prevents abrasion, can automatically descend, prevents adhesion of cutting melt and avoids deformation caused by laser heating, and solves the problems that a feeding sawtooth plate in existing laser cutting feeding equipment is prone to scratching the plate, and the production efficiency is high. And a large number of impurities are easily adhered to the sawtooth plate, so that the sawtooth plate is inconvenient to automatically return to a cutting position according to a cutting path.

The invention belongs to the technical field of automobile frames, and particularly relates to automobile frame surface treatment equipment which comprises a box body, the top of the box body is fixedly connected with a first supporting frame, the top of the first supporting frame is fixedly connected with a first motor, and the output end of the first motor penetrates through the first supporting frame and is fixedly connected with a threaded lead screw; according to the surface treatment equipment for the automobile frame, the automobile frame is vibrated for multiple times in the cleaning agent through the multiple sets of clamping blocks, so that the cleaning agent powerfully washes the automobile frame, bubbles on the surface of the automobile frame can be eliminated while the automobile frame is vibrated in the cleaning agent, the cleaning agent makes full contact with the automobile frame, and the cleaning effect is improved. And when the automobile frame rotates backwards by 180 degrees and faces upwards, the supporting table continues to be controlled to move upwards, through the arranged push blocks, the automobile frame is vibrated repeatedly when moving upwards, so that a cleaning agent attached to the surface is shaken off, and the step of manual wiping is omitted.

The invention discloses a cargo loading planning method and system, and the method comprises the steps: collecting the information of commodities arriving at an import and export port, and determining the parameter information of a to-be-detected commodity for commodity detection and the overall loading value information; collecting container information and available truck information, and determining current available loading information; based on the to-be-tested commodity parameter information, the overall loading numerical value information and the current available loading information, carrying out cargo simulation planning, placing and stacking and planning cost optimization calculation to obtain a boxing planning result and loading planning cost of the to-be-boxed cargo; generating a loading instruction according to the boxing planning result of the to-be-boxed goods; in the loading process, real-time loading state information is obtained; comparing with a preset loading standard to obtain a loading difference value; if the loading difference value is out of the difference threshold range, triggering a loading adjustment instruction, and adjusting the boxing planning result according to the loading adjustment instruction; according to the invention, the loading of goods is improved, and the space loss of container loading is reduced.

The invention relates to the technical field of semiconductors, in particular to a heating disc structure, semiconductor heating equipment based on the heating disc structure and a method, the semiconductor heating equipment comprises a machine shell, a reciprocating assembly is arranged in the machine shell, and the reciprocating assembly comprises a bearing plate arranged in the machine shell in a sliding mode; a semiconductor heating structure is arranged on the bearing plate, and the reciprocating assembly can drive the bearing plate to slide relative to the machine shell, so that the bearing plate is forced to protrude out of or sink into the machine shell; an opening and closing door is further arranged on the machine shell in a sliding mode, the opening and closing door is connected with a lifting assembly arranged in the machine shell, and the lifting assembly can drive the opening and closing door to slide in the vertical direction of the machine shell so as to open and close the machine shell; the driving assembly is arranged in the machine shell, connected with the lifting assembly and the reciprocating assembly and capable of driving the reciprocating assembly and the lifting assembly to act alternately.

With the stator feeding direction as the benchmark, the machine comprises a feeding station, an angle alignment station, a marking and code scanning station, an external dimension detection station, an end face run-out detection station, a wire slot go gauge detection station, an air shower cleaning station, a sheet gap detection station, an end face detection station and a product discharging station in sequence, and the feeding station comprises a feeding chain plate line and an equidistant conveying assembly; the equidistant conveying assembly can carry stators located on a feeding chain plate line to a feeding station, an angle alignment station, a marking and code scanning station, an external dimension detection station, an end face run-out detection station, a wire slot go gauge detection station, an air shower cleaning station, a sheet gap detection station, an end face detection station and a product discharging station in sequence. And the equidistant conveying assembly 120 synchronously carries the stators of the current work station to the next work station.

The invention discloses a data processing method and device. The data processing method comprises the steps that first attitude data of a one-dimensional beam corresponding to a flexible rod cylinder assembly, first grid data of a three-dimensional surface grid of the flexible rod cylinder assembly and fluid parameters associated with fluid acting on the flexible rod cylinder assembly are obtained; calculating a current hydrodynamic load based on the first attitude data, the first grid data and the fluid parameters; acquiring second attitude data of a one-dimensional beam corresponding to the flexible rod cylinder assembly deformed by applying the current hydrodynamic force load; and on the basis of the first attitude data, the first grid data and the second attitude data, a deformation vector of a three-dimensional surface grid of the flexible rod cylinder assembly deformed by applying the current hydrodynamic force load is calculated, and the deformation vector is used for representing the deformation degree of the flexible rod cylinder assembly.

The invention relates to the technical field of material detection, in particular to a loading device for rock fracturing simulation and rock fracturing simulation equipment, and aims to solve the problems that a loading device for rock fracturing simulation in the prior art is inconvenient to take and place samples and inconvenient to clean a pressing plate. The supporting column is fixed to the top face of the bottom plate, the testing table is fixed to the top face of the supporting column, the top plate is installed over the testing table through a lifting assembly, a pressing block is arranged on the bottom face of the top plate, and a second telescopic piece used for driving the pressing block to ascend and descend is installed on the top face of the top plate; the at least two side edge pressure applying mechanisms are used for applying side edge pressure to the test sample, and the top plate, the test table and the multiple side edge pressure applying mechanisms define a loading space for placing a rock core sample. The size of the loading space can be automatically adjusted when a sample is taken and placed, and chippings and dust attached to the inner wall of the pressing plate can be swept away while the pressing plate is opened outwards.

The invention discloses a photoelectric output prediction method and system based on a data center, and relates to the field of photoelectric output prediction, and the method comprises the steps: obtaining an illumination prediction model based on the training of historical illumination data; dividing historical illumination data according to seasons, and fitting seasonal factors to correct the illumination prediction model; training based on the photovoltaic power generation output data to obtain a photovoltaic power generation output prediction model; predicting illumination duration and intensity by using an illumination prediction model, and calculating first photovoltaic output data based on the predicted illumination duration and intensity; predicting photovoltaic output data at the next moment by using the photovoltaic power generation output prediction model, and recording the photovoltaic output data as second photovoltaic output data; and fitting the first photovoltaic output data and the second photovoltaic output data to obtain third photovoltaic output data, and taking the third photovoltaic output data as a final prediction result. According to the method, the power grid load and the power dispatching strategy can be optimized by accurately predicting the photoelectric output, so that the light abandoning phenomenon caused by power grid capacity limitation is effectively reduced.

The invention discloses a grinding mechanism for grinding production of a soft magnetic ferrite core, belongs to the technical field of soft magnetic ferrite cores, and aims to solve the problems that the grinding efficiency of the soft magnetic ferrite core is not high and the soft magnetic ferrite core is difficult to comprehensively grind. Comprising a polishing mechanism and a conveying mechanism; when a first servo motor works to drive a fixing shaft to rotate, under the limiting effect of a positioning sliding block, a ferrite magnetic core is driven to rotate, when a first driving shaft rotates, a first grinding roller rotates in the direction opposite to that of the ferrite magnetic core, and then the end face of the ferrite magnetic core can be ground more efficiently; the conveying base can bear the ferrite magnetic core to move towards the discharging end of the conveying table, then conveying and grinding are carried out at the same time, the working efficiency is greatly improved, meanwhile, in the moving process of the conveying base, the second grinding roller can efficiently grind the circumferential surface of the ferrite magnetic core, and comprehensive grinding of the ferrite magnetic core is achieved.

The invention relates to the technical field of guard plate welding, and discloses a corrugated guard plate welding tool for an industrial guardrail, the corrugated guard plate welding tool comprises a bottom plate, a first corrugated plate and a second corrugated plate, the upper end of the bottom plate is movably connected with a first supporting plate, one side of the first supporting plate is fixedly connected with a second supporting plate, and the upper end of the second supporting plate is fixedly connected with a third corrugated baffle; the first corrugated plate is movably connected between the third corrugated baffle and the first supporting plate, a fixing assembly is arranged at the upper end of the second supporting plate, a welding mechanism is arranged on one side of the fixing assembly, two sets of symmetrical fixing plates are fixedly connected to the upper end of the bottom plate, and a pushing mechanism is jointly arranged between the two sets of fixing plates. The corrugated plate welding device has the advantages that the movable rod can drive the welding gun to cater to fluctuation of corrugated plates to conduct precise welding, the corrugated plates are adaptively fixed according to different lengths of the corrugated plates, meanwhile, the position of the welding gun can be adjusted, and the welding effect and quality are effectively improved.

In order to solve the problems that in the prior art, an engine connecting rod big and small hole machining method is low in machining efficiency, material taking or discharging is difficult, clamping and positioning are difficult, and the like, the utility model provides a disc type engine connecting rod big and small hole machining device. The device comprises a rack, a turntable, a stabilizing mechanism, a clamping mechanism, a drilling combined drilling tool, an upper chamfering combined drilling tool and a lower chamfering combined drilling tool, the rack is of a rectangular frame structure; the turntable is disc-shaped, and is rotatably fixed at the geometric center of the working table plate by taking the disc-shaped center as an axis; more than three stabilizing mechanisms are circumferentially and uniformly distributed on the outer side of the edge of the turntable; the number of the clamping mechanisms is six, and the six clamping mechanisms correspond to six stations of loading, drilling, upper chamfering, lower chamfering, cleaning and unloading respectively. The drilling and chamfering machine has the advantages that drilling and chamfering can be conducted at the same time, and machining efficiency is improved; and the clamping mechanism with a mold pressing structure is adopted, so that clamping is accurate and stable, and loading or unloading is facilitated.

The utility model discloses a mounting device of an unmanned aerial vehicle, which comprises a mounting device body, the mounting device body is mounted at the bottom of an unmanned aerial vehicle body, the mounting device body comprises a suspension release assembly, a micro motor on the suspension release assembly is powered by a power supply device, and the micro motor is electrically connected with a control panel. The control panel and the power supply device are both mounted in the unmanned aerial vehicle body; the bottom of the micro motor is installed on the fixing frame. When the mounting device of the unmanned aerial vehicle flies to the position where articles need to be delivered, a switch of a micro motor is started through a remote controller, a mounting rod is driven to move through the micro motor, a rotary disc and a transmission rod, the mounting rod is of a horizontal transverse movement structure, the mounting rod is shrunk into a limiting hole, and the suspended articles are released; the whole mounting device body is small and exquisite in shape and simple in structure, large loads cannot be caused to the unmanned aerial vehicle body under the gravity, and the endurance of the unmanned aerial vehicle body is prolonged.

According to the modularized traffic tool with multiple take-off modes, through the innovative split modularized design, the form of the traffic tool can be flexibly changed between an automobile and an aircraft, the flight state and the land running state are switched, and more novel passenger and freight application scenes can be expanded through cooperation of the independent carrying cabin modules. By utilizing the tiltable ducted fan mechanism and by virtue of boosting of the autonomous traveling chassis, the composite wing flight module can realize vertical take-off and landing, and wing lift force can be provided for short-distance taxiing take-off and landing to reduce energy consumption, so that the purposes of large voyage and high load are finally realized. The foldable fixed wing, the horizontal tail and the telescopic tail wing structure ensure that the traffic tool is small in size when running and parking on the land, so that the requirements of existing urban and rural roads and traffic safety laws and regulations can be met, and actual popularization is more facilitated.

The invention discloses a coupling fused salt energy storage coal-fired power generation system and method based on an energy matching principle, and the method comprises the steps: in a heat storage stage of a coal-fired power generation unit, heating fused salt through latent heat of main steam and sensible heat of reheat steam, and storing heat; the fused salt is stored in a plurality of storage tanks and is divided into first-temperature fused salt, second-temperature fused salt and third-temperature fused salt according to the temperature from high to low; the third-temperature fused salt is pumped to a main steam condensation supercooling heat exchanger and is converted into second-temperature fused salt after absorbing main steam and releasing latent heat, one part of the third-temperature fused salt is stored in a storage tank corresponding to the second-temperature fused salt, and the other part of the third-temperature fused salt is further heated through a main steam sensible heat exchanger, a reheat steam heat exchanger and a fused salt electric heater; when the temperature reaches the upper limit of the fused salt utilization interval, converting into first-temperature fused salt; and in the heat release stage of the coal-fired power generation unit, steam is generated through the first-temperature fused salt to be externally supplied or merged into a steam turbine to do work for power generation, and water is heated through the second-temperature fused salt to release heat.

The invention relates to the technical field of sandwich cod sausage processing, and provides a production device of sandwich cod sausages, which comprises an outer material box, an outer material pipe, a sandwich material box, a sandwich material pipe and a control terminal, the outer material box is used for containing fish paste, the outer material pipe communicates with an inner cavity of the outer material box through an outer material feeding pipe, and an outer material feeding pump is arranged on the peripheral side of the outer material feeding pipe; the outer wall of the outer material pipe is sleeved with an outer casing; the sandwich material box is used for containing sandwich materials, the sandwich material pipe communicates with an inner cavity of the sandwich material box through a sandwich feeding pipe, and a sandwich feeding pump is arranged on the peripheral side of the sandwich material pipe; the sandwich material pipe is arranged in the outer material pipe in a penetrating mode and is coaxial with the outer material pipe, the sandwich feeding pump is electrically connected to the control terminal, the control terminal controls the sandwich feeding pump to be opened and closed discontinuously, and the sandwich pipe outputs sandwich material sections discontinuously. The method has the effect of improving the distribution uniformity of the sandwich material in the sandwich cod sausage. The invention further provides a production method of the cod sausage. The production method comprises the steps of continuously starting the outer material feeding pump, intermittently starting the sandwich feeding pump and the like.

The invention provides a multi-objective optimization method, device and equipment based on flexible resources of a charging station, and can be applied to the technical field of new energy automobiles. The method comprises the following steps: in response to a scheduling request for flexible resources of a charging station, obtaining a preset comprehensive resource transaction parameter, a predicted charging amount, a charging duration and historical charging information; obtaining a dynamic resource transaction parameter according to the predicted charging amount and the charging duration; according to the historical charging information, a preset membership function and the fuzzy set, obtaining respective initial discharging willingness of the target object in the N time periods; taking the lowest operation consumption of the charging station and the highest discharge exchange value of the new energy vehicle as target functions, and adjusting the initial resource transaction parameters and the initial discharge intention based on a target constraint condition and a double-layer decision model constructed according to the initial discharge intention and the dynamic resource transaction parameters; and obtaining respective target resource transaction parameters of the N time periods and respective target discharge willingness of the target object in the N time periods.

The utility model provides a PCR (Polymerase Chain Reaction) sealed detection box which comprises a PCR micro-fluidic chip main body and a chip supporting plate, the PCR micro-fluidic chip main body comprises a substrate and a cover plate which are attached to each other, at least one reaction chamber is formed on the substrate, and sample injection holes are respectively formed on the cover plate corresponding to the end parts of the reaction chambers; a plurality of chip bulges and an elastic limiting card are arranged on the second surface of the chip supporting plate, the chip bulges are used for limiting and fixing the PCR micro-fluidic chip main body, and the elastic limiting card is arranged on one side, different from the chip bulges, of the PCR micro-fluidic chip main body and is provided with an elastic structure in the horizontal or vertical direction; the fixing device is used for detachably loading, pressing and fixing a PCR micro-fluidic chip main body. According to the PCR sealed detection box provided by the utility model, sample adding and sealing of the PCR micro-fluidic chip are simplified and automatic, and the PCR sealed detection box is more suitable for being integrated into automatic PCR detection equipment.

The invention discloses a clamping method for wafer test, which is used for loading a wafer into a test fixture, the test fixture comprises an upper cover plate, a lower substrate, a PCB (printed circuit board) mounted on the lower surface of the upper cover plate and a needle plate mounted in the center of the lower surface of the PCB and electrically connected with the PCB, and the upper surface of the lower substrate is provided with a groove for embedding the needle plate. A plurality of locking sleeves distributed at intervals in the circumferential direction are installed on the upper surface of the lower base plate and located on the outer side of the groove, a plurality of locking shells are correspondingly installed on the upper cover plate and located over the locking sleeves, and a first installation hole is formed in the upper surface of each locking shell. And a cap body part at the upper end of a lock rod capable of moving up and down is in sliding fit with the inner wall of the first mounting hole. On the basis that clamping, electric conduction, heating aging and inflation testing are carried out on the wafer in the sealing cavity, wafer installation is facilitated, synchronous locking and unlocking are achieved, pollution to the wafer is reduced, and the stability of locking force is kept all the time.

The utility model discloses an automatic film pasting and feeding device for a gap reflective film of a photovoltaic cell module. The device comprises a first feeding mechanism and a second feeding mechanism which are oppositely arranged up and down, a hot melting bonding mechanism for realizing automatic bonding of material heads and material tails, and a material tail cutting mechanism positioned on the output side of the hot melting bonding mechanism, the first material head pressing and conveying mechanism is used for conveying reflective film material heads output by the first feeding mechanism to the hot melting and bonding mechanism, and the second material head pressing and conveying mechanism is used for conveying reflective film material heads output by the second feeding mechanism to the hot melting and bonding mechanism; the material tail pressing and conveying mechanism is used for pressing and conveying the cut reflective film material tails into the hot melting and bonding mechanism; and the guide winding is positioned on the output side of the material tail pressing and conveying mechanism and is used for respectively guiding the reflective films into the film pasting device. According to the utility model, the feeding and reloading operations are simple, the time for feeding and reloading is greatly reduced, the production efficiency is high, and the production cost is low.

The invention discloses a precise-positioning assembly robot for curved surface offset printing press manufacturing, and relates to the technical field of curved surface offset printing press manufacturing, the precise-positioning assembly robot comprises a stabilizing frame and a guiding frame, two sets of built-in grooves are formed in the stabilizing frame, and second stretching arms are slidably mounted in the built-in grooves; a first stretching arm is arranged in the other set of built-in grooves in a sliding mode, and a driving assembly used for assisting the first stretching arm and the second stretching arm to move alternately is installed on the outer side of the stabilizing frame. According to the accurate-positioning assembly robot for manufacturing of the curved-surface offset printing machine, through the design of the protection assembly and the fixing assembly, a curved-surface offset printing piece placed between two sets of positioning plates can be limited advantageously, and stable feeding and discharging treatment on the curved-surface offset printing machine can be facilitated; and when the air bag is used for limiting from the two sides of the curved-surface offset printing piece, the clamping force on the curved-surface offset printing piece can be judged according to the pressure value of the pressure sensor.

The invention relates to the technical field of laser cutting machines, in particular to a laser cutting machine for metal plates, which comprises a rack, the rack comprises two groups of vertical plates arranged in parallel, a first support seat arranged below the vertical plates and a plurality of cross beams fixed between the two groups of vertical plates, and a first slide rail and a first helical rack rail which are parallel to each other are arranged above the two groups of vertical plates; a cutting mechanism is slidably connected to the upper portion of the first sliding rail, and a conveying mechanism is arranged on the lower side of the cutting mechanism and extends to the outer side of the rack. The conveying mechanism is arranged on the lower side of the cutting mechanism, the conveying mechanism is provided with the upper track and the lower track, the first storage assembly is driven by the conveying motor to move on the upper track, the second storage assembly is driven by the conveying motor to move on the second track, and meanwhile the first storage assembly and the second storage assembly are driven by the conveying motor to move at the same time; and feeding and discharging of the plates are more coherent, the conveying efficiency of the conveying mechanism is improved, and then the working efficiency of the whole laser cutting mechanism is improved.