89results about How to "Reduce dead time" patented technology

The invention relates to the technical field of intelligent buildings and elevators, and discloses an intelligent elevator passenger flow analysis and optimization system which comprises a flow monitoring module used for monitoring the passenger flow of an elevator waiting area in real time and obtaining passenger flow data; the data processing module is used for analyzing the passenger flow data and predicting the passenger flow in a future time period; the elevator dispatching module optimizes the dispatching strategy of the elevator according to the prediction result of the data processing module, and improves the efficiency of passengers to get on and off the elevator; and the energy efficiency optimization module adjusts the acceleration and deceleration process of the elevator according to the running state of the elevator so as to reduce the energy consumption of the elevator. By monitoring the passenger flow in the elevator waiting area in real time and conducting accurate analysis, the passenger flow in the future time period can be predicted, the elevator dispatching strategy is optimized, the waiting time of passengers is shortened, the waiting efficiency is improved, and intelligent dispatching is conducted on the elevator based on the shortest waiting time and the minimum energy consumption target.

The invention provides a method and a system for measuring pulse width. The method comprises the following steps of: inputting a pulse to be measured into a delay chain; if the pulse to be measured is a negative pulse, directly inputting the pulse to be measured into the delay chain; if the to-be-measured pulse is a positive pulse, inverting the to-be-measured pulse and inputting the to-be-measured pulse into the delay chain; a pulse to be measured is output in a delay chain through a plurality of taps in sequence in a delay manner, and an output signal of each tap of the delay chain is input to the corresponding two-stage D flip-flop; if the to-be-detected pulse output by a certain tap has a negative pulse signal, the corresponding two-stage D trigger outputs a high level; otherwise, outputting a low level; counting the number M of the two stages of D triggers outputting high level, and taking the sum of the reduced widths of negative pulses caused by the delay time of the first M taps on the delay chain propagation path as the width of the negative pulses; wherein M is a positive integer. The pulse compression technology is adopted, the dead time is short, and the resolution ratio is high.

The invention discloses an automatic detection system and method for parameters of a thin film capacitor, and belongs to the field of automatic measurement of element parameters. The automatic detection system comprises an upper computer, a voltage source, a constant temperature and humidity test box, a control module and a measurement module, the thin film capacitor test sample is placed in the constant temperature and humidity test box and is connected with the voltage source and the measurement module; the control module is connected with the thin-film capacitor test sample and comprises a high-voltage circuit breaker, a timer and a PLC, and the PLC receives an instruction of the upper computer and sends a control signal to the timer; the timer controls the high-voltage circuit breaker to periodically cut off the connection between the thin-film capacitor test sample and the voltage source and the connection between the thin-film capacitor test sample and the measurement module; and the measurement module is connected with the to-be-measured sections of the thin film capacitor test sample one by one, measures parameters of the to-be-measured sections and sends parameter measurement data to the upper computer for storage. The effects of convenient measurement and high test accuracy are achieved.

The invention discloses a low-field nuclear magnetic resonance exploration device and method capable of effectively shortening dead zone time, and relates to the field of electric signal acquisition, and the device comprises an upper computer which is used for communicating with a main control circuit; the main control circuit is used for controlling and collecting the core and comprehensively controlling the work of the device; the power amplification circuit is used for amplifying the power signal input by the main control circuit and then transmitting an alternating current pulse to excite the coil; the beneficial effects of the invention are that the coil employs a transmit-receive integrated differential structure, which inhibits common-mode noise interference and improves the signal-to-noise ratio of detection; the Q-conversion circuit reduces the quality factor of the coil through parallel connection of energy discharge resistors at the two ends of the coil, the purpose of rapidly discharging energy stored in the coil is achieved, and the dead time can be effectively shortened; the high-isolation fast-switching radio frequency switch can effectively reduce the insertion loss and the generated noise, significantly reduce the switching time, further shorten the dead zone time, and improve the detection effect of a short relaxation target body.

The invention discloses a construction elevator and facade operation intelligent construction integrated platform common rail method, which uses a standard knot of an integrated platform as a common rail of a field construction elevator, and shares a stand column foundation and foundation reinforcing bars at the same time, so that multifunctional integration of intelligent construction equipment is realized, the overall installation amount of the construction elevator equipment is reduced, and the construction efficiency is improved. The number of the stand columns is reduced, perpendicularity is controlled by an integrated platform, operation efficiency is improved, and safety is firmer.

The invention belongs to the technical field of water resource collection and utilization, and particularly relates to green energy-saving rainstorm collection and storage and precise irrigation integrated equipment which comprises a collection and storage box, an extension collection assembly is mounted in the collection and storage box, and the extension collection assembly comprises extension plates symmetrically arranged at the top end in the collection and storage box; by expanding the collection range, more rainwater resources can be collected in the rainstorm period, so that the equipment can store more rainwater, the water level collected in the collection and storage box can be detected in time, and when the water level reaches a threshold value, the top opening of the collection and storage box is blocked; according to the rainwater collection box, overloading of the collection box caused by excessive collection of rainwater can be prevented, it is ensured that the collected rainwater is within a reasonable range, the closed extension plate can effectively block direct sunlight and air flow, evaporation loss of the rainwater is greatly reduced, it is ensured that the collected rainwater can be stored for a longer time, and a stable water source is provided for irrigation.

The invention discloses a method and a device for compressing and fixing a glass fiber diaphragm of an aqueous battery. The method comprises the following steps: providing a positive plate, a negative plate and a glass fiber diaphragm; placing a glass fiber diaphragm between the positive plate and the negative plate for lamination to form a battery cell, and in the lamination process, injecting a certain amount of electrolyte into the film surface of the glass fiber diaphragm to moisten the glass fiber diaphragm so as to primarily adsorb the positive plate and the negative plate; and applying balanced pressure to the battery cell, so that the electrolyte is filled in the glass fiber diaphragm and air in the diaphragm is extruded, the glass fiber diaphragm is wholly moistened and fully adsorbs the positive plate and the negative plate, and the battery cell is compressed and shaped under the balanced pressure. A certain amount of electrolyte is injected into each glass fiber diaphragm, and the electrolyte forms a preliminary adsorption layer to realize adsorption of the positive plate and the negative plate; and by applying balanced pressure, the whole glass fiber diaphragm is moistened by liquid, and the shape fixing of the battery cell is realized.

The utility model discloses sterile packaging equipment and an extrusion die head thereof, and relates to the technical field of packaging equipment, original detachable connection of a pipe blank blowing seat and an inner core is changed into integrated connection, a plurality of upper through holes are formed in the newly optimized inner core, a pressing block is fixedly connected with the newly optimized inner core, and the pressing block is fixedly connected with the pipe blank blowing seat. A plurality of lower through holes are formed in the pressing block, a mounting seat is fixed between the newly optimized inner core and the pressing block, a plurality of guide sleeves are arranged on the mounting seat, and the two ends of all the guide sleeves are communicated and penetrate through all the upper through holes and all the lower through holes in a one-to-one correspondence mode so that filling pipes can selectively penetrate through the guide sleeves. The extrusion die head disclosed by the utility model can be compatible with filling pipes with different numbers and intervals, the product specification can be replaced only by changing the number and the interval of the filling pipes, the pipe blank blowing pipe does not need to be disassembled, assembled and replaced, the invalid time is shortened, the time and the labor are saved, the continuous production interval is effectively shortened, and the production efficiency is favorably improved.

The present invention provides an edge ring height measurement device and method, comprising a carrier plate with positioning points placed on an electrostatic suction cup, and an imaging device on the carrier plate. The image of the edge ring is obtained multiple times by the imaging device, and then the height or thickness change of the edge ring is calculated after data processing. The change data is conducive to the adjustment of the edge ring loss. The error can be reduced by measuring multiple points in different areas. There is no need to destroy the original vacuum environment, which greatly reduces the stagnation time consumed by the edge ring adjustment.

The invention provides a switching power supply and a driving circuit and a driving method thereof, the driving circuit comprises a level shift circuit, a pulse generation circuit, a high-side driving circuit and a low-side driving circuit, an output signal of the level shift circuit is used for adjusting the potential of a first node in the high-side driving circuit, and an output signal of the pulse generation circuit is used for adjusting the potential of a second node in the low-side driving circuit. The high-side driving circuit drives the high-side switch unit to be switched on after the potential of the first node reaches a switching-on trigger potential, and the high-side driving circuit drives the high-side switch unit to be switched on after detecting that the driving signal of the low-side switch unit is changed into an invalid state and the high-side control signal is changed into an effective state; an additional potential adjusting path is established for the first node, so that the time for the potential of the first node to reach the turn-on trigger potential is shortened, namely the dead zone time from turn-off of the low-side switch unit to turn-on of the high-side switch unit is shortened, the switching speed of the high-side switch unit is increased, the reduction of dead zone loss and switching loss is realized, and the switching efficiency is improved. And the working efficiency of the switching power supply is improved.

The utility model discloses a refrigerator freezing air duct cover plate mould, which relates to the mould field, and comprises a bottom plate, the front part and the rear part of the upper end of the bottom plate are respectively provided with a support plate, the upper ends of the two support plates are jointly provided with a support mould, and the middle part of the upper end of the support mould is fixedly sleeved with a lower mould; first side molds are installed on the front portion, the rear portion and the right portion of the upper end of the supporting mold correspondingly, a side mold component is installed at the left end of the supporting mold, an upper mold is arranged at the upper end of the lower mold, a transverse plate is installed in the middle of the upper end of the bottom plate, and an ejection component is installed at the upper end of the transverse plate. And the ejection part extends into the lower mold. By arranging the side mold part, the injection-molded workpiece can be conveniently taken out, so that the workpiece is prevented from being damaged or deformed due to being clamped in the mold, the quality stability of the workpiece is improved, the dead time of a production line is reduced, and the production efficiency is improved.

This disclosure relates to the technical field of guardrail fastener processing equipment. One embodiment of this disclosure provides a cold heading forming device for guardrail fasteners, comprising: an equipment base and a forming frame, the forming frame being fixed to the surface of the equipment base, a feeding frame being fixed to the surface of the equipment base, a feeding forming assembly being disposed on the feeding frame and the forming frame, and a stamping and cutting assembly being disposed on the surface of the forming frame and the equipment base. The feeding forming assembly includes a plurality of feeding rollers, all of which are rotatably connected within the feeding frame. Two pairs of conveying rollers are disposed within the feeding frame, one end of each pair of conveying rollers being provided with a transmission gear, and one of the conveying rollers being electrically driven to rotate. A main frame is disposed on the surface of the equipment base. This technical solution solves the technical problem in the prior art where sequential feeding leads to an increased idle time ratio in the device, a limited supply of blanks per unit time, and difficulty in matching the high-speed processing capability of the cold heading forming main unit, thus restricting the overall production line's capacity improvement.

The utility model relates to the technical field of shaft type workpiece production, and provides a shaft type workpiece sorting mechanism which comprises a first containing channel, a second containing channel and a first rotating plate are arranged on the first containing channel, and in the shaft type workpiece sorting process, when the first rotating plate is in a preset first rotating state, the first rotating plate rotates around the second containing channel; when the first rotating plate is switched to the first rotating state, the shaft workpieces naturally slide to the first storage channel in the direction of the plate surface, on the contrary, when the first rotating plate is switched to the second rotating state, the flowing direction of the shaft workpieces changes, and then the shaft workpieces flow into the second storage channel, so that the first rotating plate has two different rotating states through the design, and the shaft workpieces can be sorted according to preset sorting conditions. According to the sorting assembly line for the shaft workpieces, the shaft workpieces are automatically distributed to the first storage channel or the second storage channel, the shaft workpieces can be directly distributed to the appropriate storage channels without additional grabbing and carrying, and the working efficiency of the whole sorting assembly line for the shaft workpieces is improved.

The invention provides a reusable curved segmented adjustable supporting tool and application thereof. The curved segmented adjustable supporting tool comprises a fixed base, an adjustable support, a special tool and a rapid assembly positioning jig frame, the fixed base is used for supporting and fixing the adjustable support, the adjustable support comprises a supporting rod and an adjusting round bar, and the adjusting round bar penetrates through a supporting hole in the supporting rod for supporting; adjacent adjustable supports are connected through a special tool to achieve transverse prefabrication in advance and then are fixed through longitudinal connection. Transverse connection is prefabricated on a rapid assembling and positioning jig frame through a special tool, the rapid assembling and positioning jig frame comprises a bottom plate, limiting columns, vertical stand column channel steel and transverse connecting channel steel, the vertical stand column channel steel is provided with a positioning plate, a pedestrian platform and limiting blocks, and moving modules are embedded in the limiting blocks and used for adjusting the supporting height of the adjustable supports. According to the invention, the curved sectional construction supporting jig frame can be quickly disassembled and assembled, the invalid time of the jig position is shortened, the jig frame can be repeatedly used, and the construction efficiency is improved.

The invention provides a pulse trigger and a phase discriminator. The pulse trigger comprises a logic module, a first input stage module and a second input stage module, the circuit structures of the first input stage module and the second input stage module are the same; the logic module comprises a first charging path corresponding to a differential signal positive end signal of the first clock signal and a second charging path corresponding to a differential signal positive end signal of the second clock signal; the second clock signal and the first clock signal are clock signals with the same frequency, and a phase difference exists between the second clock signal and the first clock signal; the logic module is connected with the first input stage module and the second input stage module, and when the first clock signal is a rising edge signal, the logic module conducts the reverse output end of the pulse trigger to output a high level signal based on the input signals of the first input stage module and the second input stage module. By accelerating the charging and discharging stages of the pulse trigger, the dead time is shortened, the resolution of the pulse trigger is improved, and static errors are eliminated.

The invention relates to the technical field of cutting, detecting, hole separating and plate arranging, in particular to an automatic cutting, detecting, hole separating and plate arranging equipment system which comprises a discharging module, a mold hole number detecting module, a cutting module, a visual detecting module, a code printing module, a code scanning module, a plate arranging and sorting module and a control module. Wherein the discharging module is used for automatically feeding a material belt, the mold cavity number detection module is used for identifying a product mold cavity number, the cutting module is used for cutting a product PIN, the visual detection module is used for PIN quality detection and positioning, the code printing module is used for product marking, and the code scanning module is used for reading and identifying code information. The wobble plate sorting module is used for classifying and wobbling products according to mold cavity numbers; the control module is used for coordinating the working process of each module and integrating intelligent algorithms to optimize production parameters; full-process automation is achieved, manual intervention is greatly reduced, the production takt is improved, the method is suitable for large-scale continuous production, and the production efficiency and the automation level are improved.

The application discloses a gallium nitride soft switch high-voltage Buck voltage converter and belongs to the technical field of switching power supplies. The auxiliary soft switch link is introduced, the problem of large switching loss, high thermal stress, large voltage peak and high-frequency oscillation caused by the switching capacitor link in the traditional high-voltage Buck switching capacitor voltage converter is solved, the efficiency and reliability of the system are improved, further, the double-phase staggered parallel structure is introduced, the current output capacity of the power supply is improved, the application in a higher power scene can be realized, meanwhile, the gallium nitride transistor is adopted, compared with the traditional scheme, the switching frequency is improved, the passive element size is reduced, the PCB integration is improved, the system parasitic parameters are reduced, the dead time and duty cycle loss are reduced, and the system efficiency and power density are further improved.

The utility model discloses a double-pipeline centralized gas supply system of a ball mill. The system consists of at least one ball mill unit, a gas source system unit, a main pipeline unit, a branch pipeline unit and a PLC (Programmable Logic Controller), the air source system unit supplies air to a pneumatic clutch and a gear lubricating device in the ball mill unit; the system comprises a first air compressor, a second air compressor and a third air compressor, the first air compressor is connected with a first air storage tank through a first air source pipeline, the first air source pipeline is connected with a first pressure transmitter and a first electric ball valve, and the second air compressor is connected with a second air storage tank through a second air source pipeline. A second air source pipeline is connected with a second pressure transmitter and a second electric ball valve, and a third air compressor is connected with a third pressure transmitter; and the PLC is connected with each electric control component in the gas source system unit and the branch pipeline unit through cables. The utility model has the advantages of compact arrangement of connecting pipelines, high air supply efficiency, obvious energy-saving effect and good pressure stabilizing effect, and can ensure the efficient and stable operation of the ball mill.

This invention discloses a high-efficiency chemical application device for wastewater treatment sedimentation tanks and its usage method. The chemical application device includes: a moving unit, a mixing unit, a filtering unit, and a chemical application unit. The moving unit is located at the upper end of the sedimentation tank. The mixing unit is connected to the sedimentation tank and passes through both sides of the sedimentation tank. The filtering unit and the chemical application unit are respectively connected to the sedimentation tank and the moving unit. The filtering unit performs preliminary treatment on the wastewater and removes large particulate impurities, improving the wastewater treatment quality. Secondly, the chemical tank in the chemical application unit is separated from the moving unit and connected only to the moving unit via a chemical application plate, reducing the load on the moving unit. This allows the moving unit to remove impurities filtered by the filtering unit under low load conditions. Simultaneously, the mixing unit ensures rapid and uniform mixing of the chemical solution and wastewater, thereby improving the wastewater treatment quality and practicality of the chemical application device.

The utility model provides an intelligent ultrasonic cleaning device for water cup processing, which relates to the technical field of cleaning devices and comprises a base, a driving mechanism is arranged at the center of the top of the base, a connecting mechanism is arranged at the top of the driving mechanism, and a plurality of storage mechanisms are arranged at the bottom of the connecting mechanism at equal intervals. And the driving mechanism comprises a connecting plate. According to the ultrasonic cleaning device, the storage frame on the front side can be adjusted into the ultrasonic cleaning pool for ultrasonic cleaning through the cooperation of the hydraulic cylinder and the servo motor, and after cleaning is completed, the storage frame is separated from the ultrasonic cleaning pool and then rotates to the rear side through the cooperation of the hydraulic cylinder and the servo motor; the intelligent water cups can be placed in other storage frames in the cleaning process, the designed structure is simple, the intelligent water cups can be continuously placed in and taken out of the ultrasonic cleaning pool, the stagnation time of the ultrasonic cleaning pool is greatly shortened, and the overall machining efficiency is improved.

The embodiment of the present application discloses a method for dynamically adjusting the switching speed of a switching device and a switching device circuit. The method includes: calculating the real-time turn-off delay time between the falling edge of the driving signal of the switching device and the turn-off of the switching device; comparing the real-time turn-off delay time with the reference turn-off delay time to obtain a first comparison result; based on the first comparison result, adjusting the gate drive voltage of the switching device, adjusting the gate drive current of the switching device, and adjusting the gate discharge current of the switching device, so that the real-time turn-off delay time is within the range of the reference turn-off delay time. The circuit includes a switching device, a gate drive voltage adjustment circuit, a gate drive current adjustment circuit, and a gate discharge current adjustment circuit. The embodiment of the present application can quickly reduce the time required for the recombination of excess carriers in the n-region of the switching device.

The invention belongs to the technical field of soil turning equipment, and particularly relates to soil turning operation equipment suitable for mountains and hills, which comprises a main body carrying frame, a linkage soil turning mechanism and an all-terrain moving system. In order to improve the soil turning efficiency of the hilly environment and reduce the inclination of the equipment, an all-terrain moving system is arranged, a driving motor drives an all-terrain wheel set to rotate, the soil turning equipment can move in an inclined field, meanwhile, the soil turning equipment can stably stop in the field, and a linkage soil turning mechanism can conveniently turn soil on the field; the driving motor is used for pushing the coulter set to turn soil, the coulter set is driven to rotate through the rotating spring after the coulter set is inserted into the land, deep soil is turned out, the soil is looser, circulation of air and water in the soil is facilitated, and growth and development of plant roots are promoted.

The utility model discloses steam sterilizing equipment, which relates to the technical field of steam equipment and comprises a sterilizing box, a heating box arranged at the bottom end of the sterilizing box, a first water inlet pipe arranged on one side of one end of the heating box, an air filter arranged on the other side of one end of the heating box, an air inlet pipe arranged at one end of the air filter and a discharge pipe arranged at the other end of the heating box. A protection shell is arranged on the outer side of the disinfection box, a heat dissipation pipe is arranged in the protection shell, one end of the heat dissipation pipe penetrates through the protection shell to be connected with a second water inlet pipe, the other end of the heat dissipation pipe penetrates through the protection shell to be connected with a drainage pipe, and a control panel is arranged at one end of the protection shell; a disinfecting and killing box cover is arranged at the top end of the disinfecting and killing box, and the disinfecting and killing box is matched with the disinfecting and killing box cover through a plurality of lock catch mechanisms. Through the arrangement of the heat dissipation pipe and the air inlet pipe, the production cycle of the equipment is shortened, time and resources are saved, the production efficiency and yield are improved, energy consumption is reduced, products are prevented from being excessively exposed in a high-temperature environment, and the product quality is improved.

The present application discloses a method and related device for collecting virtual resources. A virtual environment interface can be displayed during a game. When a player wants to collect virtual resources in a first virtual resource cluster in the virtual environment interface, the attribute value of the detonation position of the first virtual resource cluster is reduced in response to a first attack operation. In response to the attribute value of the detonation position of the first virtual resource cluster being lower than a preset threshold, a shock wave is generated from the detonation position, thereby separating the target virtual resources within the target impact range of the shock wave, and converting the target virtual resources from an unpickable state to a pickable state. Then, in response to the resource picking operation, the target virtual resource is picked up. This solution improves the efficiency of virtual resource collection, thereby improving the efficiency of human-computer interaction. At the same time, it reduces the boredom of virtual resource collection, improves the fun of collecting resources, and improves user experience.

The invention relates to the technical field of micro-grid dual energy storage system control, in particular to a control method of a direct current converter for a wind-solar dual-storage micro-grid, and provides dual closed-loop converter control, a linear quadratic regulator is used for current inner loop control, and sliding mode control is used for voltage outer loop control. In the working mode control of the buck-boost converter, a four-switch switching circuit is triggered by power deviation polarity, so that stable and rapid switching of energy storage charging and discharging is realized; and the overshoot of system control is less, and the robustness and the disturbance resistance are better. According to the invention, in the operation process of the micro-grid dual-energy-storage system, the system can still operate stably when the power generation supply end and the load demand end have relatively high power fluctuation at any or at the same time and a charging and discharging circuit needs to be switched.

The utility model discloses a paper production leveling device which comprises a base, a roller, a feeding plate and a discharging plate, the roller is arranged on the base, the feeding plate is arranged on one side of the roller, the discharging plate is arranged on the other side of the roller, the adjusting assembly is arranged on the base and comprises an adjusting piece, a driving piece and a protection piece, and the driving piece is arranged on the base. The feeding device comprises a feeding conveying belt, a roller, a driving piece and a protection piece, the roller is arranged on the feeding conveying belt, the adjusting piece is arranged on one side of the roller, the driving piece is fixed on one side of the feeding plate, the protection piece is arranged on the outer side of the driving piece in a sleeving mode, and the adjusting piece is movably connected with the driving piece. Therefore, paper of different sizes can stably and quickly pass through the conveying belt, the stagnation time caused by paper jam and the like is shortened, the workload of workers for frequently adjusting the position of the paper is reduced, and the labor cost is saved.

The invention discloses medicine production line filling conveying equipment and a conveying process, and relates to the technical field of medicine production, the medicine production line filling conveying equipment comprises a production line assembly line operation table, and the production line assembly line operation table is composed of a discharging assembly, a magnetic suspension conveying system, a filling system, a control system, a display assembly, a packaging assembly and the like. Due to the fact that the L-shaped support is fixed to the upper portion of the rotor sliding table, the clamping grooves and the limiting grooves are formed in the L-shaped support, medicine is clamped through the clamping grooves and the limiting grooves, magnetic suspension does not need physical contact in the medicine bottle conveying process through the limiting effect of the limiting rods, physical losses of the medicine bottles in the conveying process are reduced, and the conveying efficiency of the medicine bottles is improved. The magnetic suspension conveying belt is particularly suitable for fragile medicine bottles or medicine bottles made of special materials, suspension and conveying of the medicine bottles are achieved through magnetic force by means of the magnetic suspension technology, and damage risks such as friction and collision caused by contact of a traditional conveying belt are avoided.

The utility model relates to the field of wood processing machines, and discloses an edge trimmer for wood processing, which comprises a bottom plate, the rear end of the bottom plate is fixedly connected with an edge trimmer body, the top end of the bottom plate is fixedly connected with a fixed seat I, and the rear end of the outer side of the fixed seat I is rotatably connected with a pressing seat. A lower pressing rod is in threaded connection with the interior of the lower pressing seat, a pressing block is fixedly connected to the bottom end of the lower pressing rod, a connector is rotatably connected to the front end of the outer side of the first fixing seat, a pushing rod is rotatably connected to the interior of the connector, and a second fixing seat is fixedly connected to the front side of the top end of the bottom plate. According to the wood board trimming device, the wood board is fixed through the automatic fixing device, the labor intensity of workers is reduced, the fixing stability is ensured, the trimming accuracy and quality are improved, wood chips on the surface of the bottom board are automatically cleaned through the automatic cleaning device, the stagnation time of a production line is shortened, and the working environment is kept clean.

The utility model discloses a bearing hemming cover stamping device which comprises a concentric-square-shaped machine frame and a lower die installed at the bottom of the concentric-square-shaped machine frame, a hydraulic lifting unit is installed at the top end of the concentric-square-shaped machine frame, and an upper die base used for stamping a sealing cover to form a hemming is installed at the movable end of the hydraulic lifting unit. A C-shaped bottom plate is mounted at the bottom of the concentric-square-shaped rack on the outer side of the lower mold, and an electric double-shaft moving unit is mounted at the top end of the C-shaped bottom plate. According to the utility model, a workpiece can be immediately and accurately grabbed and removed by the electric clamping jaw after being stamped without waiting for manual intervention, so that the dead time of a production line is reduced, the continuity and high efficiency of production are realized, and meanwhile, the introduction of the electric clamping jaw and the electric double-shaft moving unit is beneficial to improving the working safety and improving the production efficiency. And frequent manual die splitting and workpiece picking operations of workers are reduced.

The invention discloses a thin film capacitor aging accelerated continuous measurement and defect monitoring device and method, and belongs to the field of automatic measurement. The device comprises a power supply console, a control module, a current monitoring meter, a single-chip microcomputer controller, a multiplexer, an electrical parameter measuring instrument, an upper computer and a constant temperature and humidity chamber. A thin film capacitor test sample is placed in the constant temperature and humidity test box, the thin film capacitor test sample is connected with the power supply console and the control module, and a to-be-tested section of the thin film capacitor test sample is connected with the multiplexer; the control module periodically cuts off the connection between the thin film capacitor test sample and the power supply console / multiplexer; and the multiplexer is connected with the electrical parameter measuring instrument and is used for performing parameter measurement on the sample and sending parameter measurement data to the upper computer for storage. The current monitoring meter is connected with the test sample for current monitoring, and the single-chip microcomputer controller identifies the defective test sample through current data. And meanwhile, measurement of accelerated aging test data and defect monitoring are realized.