59results about How to "Avoid efficiency loss" patented technology

The invention discloses a method for determining the content of rubber in a rubber-containing plant based on gel permeation chromatography, and relates to the technical field of analytical chemistry, and the method specifically comprises the following steps: S1, sample pretreatment: drying a rubber-containing plant sample and grinding into powder; s2, rubber extraction: performing ultrasonic extraction on the powder by using a mobile phase of gel permeation chromatography as an extraction solvent, centrifuging, and collecting supernate to obtain an extracting solution; s3, GPC (Gel Permeation Chromatography) detection: filtering the extracting solution, and injecting the filtered extracting solution into a gel permeation chromatographic instrument with a single chromatographic column for detection. The complete plant rubber content determination method is constructed by combining a total rejection GPC principle with an efficient sample pretreatment process, the defects of tedious pretreatment, low detection efficiency or inaccurate detection in the prior art are overcome, the method has the advantages of rapidness, accuracy and the like, extraction and detection parameters can be flexibly adjusted according to different plant samples, and the method is suitable for large-scale popularization and application. The method is suitable for quality analysis and breeding research of various gelatin-containing plants, so that the compatibility is improved.

The invention relates to the technical field of electronic component processing, in particular to an electronic component pin forming device which comprises a forming unit which comprises a machine body, a cutting assembly and a polishing assembly, and the cutting assembly and the polishing assembly are arranged at the top of the machine body. The feeding unit comprises a conveying assembly arranged on the top of the machine body. The device has the beneficial effects that through cooperation of the forming unit and the feeding unit, pin forming and grinding integrated machining is achieved, bending forming and fixed-length cutting are completed at the same time through one-time punching by means of cooperation of a waste discharge notch formed in a female die and a male die cutter, positioning errors and efficiency losses caused by step-by-step machining are avoided, meanwhile, a first air bag is arranged on the inner wall of a grinding frame, and machining efficiency is improved. The air bag pressing block on the back face of the adsorption assembly synchronously extrudes the second air bag, the friction piece is driven to be attached to the pin in a self-adaptive mode, the polishing pressure can be automatically adjusted without a motor, the structure is simplified, energy consumption and cost are reduced, multi-face synchronous polishing can be achieved, and it is ensured that burrs are evenly removed.

The application discloses a workpiece surface profile line concave-convex anomaly detection and quantification method, and belongs to the technical field of precision measurement. The method comprises the following steps: S1, data acquisition; S2, parameter setting; S3, iterative anomaly segment identification; S4, anomaly segment refinement and type judgment; S5, point-level and segment-level quantification of the refined anomaly segment; S6, anomaly quantification result output and visualization; and S7, workpiece surface profile qualification judgment. The workpiece surface profile line concave-convex anomaly detection and quantification method has stronger adaptability to free surfaces and complex structures of non-standard parts, significantly improves detection precision and efficiency, and is significantly superior to traditional threshold methods and template matching methods in terms of precision and noise resistance, is suitable for complex environments in industrial sites, and meets the development needs of intelligent manufacturing for detection technology in terms of multi-scene coverage, high-precision quantification, high-efficiency response and flexible adaptation.

The invention discloses a controller of a power conversion circuit and a control method of an output stage of the power conversion circuit. The controller is coupled to the output stage and provides a pulse width modulation signal to control the output stage to generate an output voltage and an output current. The controller comprises a control circuit, a mode judging circuit and an adjusting circuit. The control circuit is coupled to the output stage and generates a pulse width modulation signal to the output stage. The mode determination circuit is coupled to the output stage. When the power conversion circuit enters the light load mode, the mode judgment circuit generates a starting signal according to the output current. The adjusting circuit is respectively coupled to the output stage, the mode judging circuit and the control circuit. When the enabling signal enables the adjusting circuit, the adjusting circuit generates a first adjusting signal to the control circuit according to a feedback voltage related to the output voltage and a first reference value so as to adjust the pulse width modulation signal. According to the controller of the power conversion circuit and the control method of the output stage of the controller, noise in an audio range during light-load application can be avoided, efficiency loss of a fixed-on-time (COT) buck converter caused by the audio noise is avoided, and overlarge ripple of output voltage is avoided.

This invention belongs to the field of aluminum wire bonding production technology, specifically relating to an automated drawing system for aluminum wire bonding production. The system includes a wire feeding device, a wire threading and drawing device, an intelligent wire storage device, a wire expansion and drawing device, and a wire take-up device arranged sequentially. The wire threading and drawing device performs initial diameter reduction and surface smoothing of the aluminum wire, and its internal oil supply structure effectively reduces friction damage during drawing. The intelligent wire storage device enables slow storage and release of the aluminum wire and automatic tension adjustment, ensuring that the operation of upstream and downstream processes does not interfere with each other. The wire expansion and drawing device uses a frustum-shaped expansion and drawing cylinder to perform secondary precise drawing and fine-tuning of the aluminum wire. The expansion strength detection component on the cylinder automatically adjusts the detection counterweight and rotational impact angle to perform real-time strength testing of the aluminum wire after drawing. This invention is rationally designed and can complete product quality sampling inspection of bonded aluminum wire without interrupting upstream production, thus improving the production efficiency of bonded aluminum wire.

This invention discloses a method, system, and electronic device for constructing an air ticket sales volume prediction model, relating to the field of aviation information technology. The method includes: acquiring historical sales information for each flight during a historical sales period; using the historical ticket price, the sales stage identifier, and the historical reference ticket price as input data, and the historical ticket sales volume as a label; using the cumulative parameter of ticket demand over time, the price elasticity coefficient, and the average ticket demand as model parameters to train an initial air ticket sales volume prediction model; and iteratively optimizing the model parameters using a basic particle swarm optimization algorithm until the number of iterations is not less than a preset number, thereby generating a target air ticket sales volume prediction model. This invention can improve work efficiency and reduce labor costs.

This application relates to the field of data verification technology, specifically to a data verification method and apparatus for a chip programming system. The method includes: for a multi-channel parallel chip programming system, statistically analyzing the clock cycles of each channel within each time window; determining the clock phase offset of each channel; evaluating the deviation between each channel and a second reference channel in the current clock cycle and the deviation of the clock phase offset, obtaining the timing deviation of each channel; and dynamically determining the verification delay time of each channel using the timing deviation and clock cycle, generating the verification trigger time for each channel for data verification. This balances verification accuracy and overall efficiency.

The invention relates to the technical field of unmanned aerial vehicle dispatching, and discloses an electric power construction-oriented heterogeneous unmanned aerial vehicle dynamic cooperative command and dispatching method and system. The method comprises the following steps: decomposing task levels according to an environment tolerance threshold value and constructing an unmanned aerial vehicle capability matrix; collecting real-time environment parameters, calculating an environment coupling degree index, and generating a degradation task package when the environment coupling degree index exceeds a threshold value; calculating a single machine matching degree index, and if not, selecting the collaborative machines with the maximum capability complementation index to form a virtual collaborative group and distributing roles; position and wind speed vectors are obtained, and the time difference of arrival is eliminated by delaying takeoff after the flight speed is corrected. According to the invention, the environment adaptability, task completion rate and execution efficiency of heterogeneous unmanned aerial vehicle cooperative operation in an electric power construction scene are improved.

The present application relates to the technical field of circuit board processing equipment, and particularly relates to a circuit board glue residue removing device and method. The device comprises a support frame, a rotating frame rotatably connected to the support frame, a mounting frame symmetrically connected to the bottom of the rotating frame, a rotating frame rotatably connected to the mounting frame, a driving motor symmetrically mounted on the side surface of the rotating frame, a brush cylinder symmetrically rotatably connected to the rotating frame, and a rotating shaft of the brush cylinder being connected to an output shaft of the driving motor, a first motor mounted on the side surface of the mounting frame, a first worm connected to the output shaft of the first motor, and a first worm wheel connected to the rotating shaft of the rotating frame and engaged with the first worm. Through cooperation of the cleaning frame, the first screw rod motor and the moving plate, the device can automatically scrape off the glue residue adhered to the brush cylinder and collect the glue residue into a collection box, effectively avoiding the problem of efficiency reduction caused by glue residue accumulation of a traditional brush, and significantly improving the glue residue removing effect and the continuous working capacity of the device.

The tea drying device with the screening function comprises an obliquely-installed box body, an internal drying pipe is fixedly connected to the interior of the box body, the air inlet end of the internal drying pipe is fixedly connected with a first warm air blower, the internal drying pipe and one end of the box body are rotationally connected with a drying filter cylinder, and the other end of the box body is fixedly connected with a second warm air blower. A plurality of grading filter plates are fixedly connected to the interior of the drying filter cylinder, a plurality of back-flushing pipes are arranged above the internal drying pipe, a plurality of back-flushing shovel plates are slidably connected to the lower portion of the internal drying pipe, a rotary driving assembly is fixedly connected to the interior of the box body, and the rotary driving assembly comprises a driving gear ring, a synchronizing shaft, a driving gear and a rotating motor; under the synergistic effect of the internal drying pipe and the air holes of the back-flushing shovel plate, hot air flow is vertically sprayed out from the air holes of the shovel plate while the tea leaves are mechanically turned and stirred, so that penetrability drying is formed; the backflushing pipe reversely jets airflow to clean the grading filter plate, sieve pores are kept unobstructed, it is ensured that hot air evenly penetrates through the tea leaf layer, and local over-wet or over-dry is reduced.

The application discloses a mine self-balancing anti-falling material elevator, and relates to the technical field of mine elevators, which comprises an elevator frame and an elevator box. Two traction machines are fixedly connected to the upper end of the elevator frame. First traction wheels are arranged on the two traction machines. A plurality of traction ropes are wound around the two first traction wheels. The lower ends of the plurality of traction ropes are fixedly connected to the upper end of the elevator box. A balancing mechanism is arranged on the elevator frame. The balancing mechanism comprises a U-shaped plate fixedly connected to the inner top of the elevator frame. Second traction wheels are symmetrically arranged on the lower end of the U-shaped plate through supports. Two U-shaped rods are slidably connected to the side walls of the U-shaped plate. The application can dynamically monitor and self-adaptively adjust the stress state of the traction ropes on both sides of the elevator box, automatically compensate the tension difference of the traction ropes on both sides, quickly correct the inclined posture of the elevator box, and ensure the uniform distribution of the loads of the traction ropes corresponding to the two traction machines.

The utility model relates to the field of heat exchanger discloses a flow regulating mechanism of heat exchanger, including support plate, support plate is fixed in the outer wall front side of heat exchanger body, the inside of heat exchanger body is equipped with heat exchange pipe, the input of second water pump and the fixed first bypass pipe of delivery pipe intercommunication, the output of second water pump and the fixed second bypass pipe of heat exchange pipe one end intercommunication, in the utility model, through support plate, heat exchange pipe, control piece, PLC controller, first water pump, delivery pipe, flow control module, temperature sensor, second water pump, first bypass pipe and second bypass pipe synergies, system can real -time monitoring liquid state and automatic regulation flow, when first water pump appears the failure, PLC controller automatic identification and switches to second water pump, need not manual stoppage switching, greatly reduces the production interruption because of single point failure, improved the reliability and stability of system.

The utility model discloses a wood block conveying device, which relates to the technical field of wood block processing, and comprises a conveying assembly and a height-limiting rejecting assembly, the conveying assembly comprises a supporting side plate, a belt conveyor is fixed on one side of the supporting side plate, a protective fence is fixed on the top of the supporting side plate, and the height-limiting rejecting assembly is arranged on the top of the conveying assembly. Comprising a mounting frame, the mounting frame is fixed to the top of a supporting side plate, a height detection piece is slidably connected to the inner side of the mounting frame, and a contact electrifying piece is arranged on one side of the height detection piece. According to the device, the height detection part is matched with the removing part, so that the accuracy and the automation degree of transporting and sorting the wood blocks are remarkably improved, the problems of missing detection of the ultrahigh wood blocks and disordered material accumulation are effectively solved, the operation safety of processing equipment is guaranteed, the efficiency loss caused by secondary arrangement is avoided, and the working efficiency of the processing equipment is improved. And meanwhile, cooperative control over accurate detection, automatic removal and orderly stacking is achieved.

The application discloses an intelligent controllable variable-diameter Venturi tube system which can be used for three-phase foam foaming, and relates to the technical field of fluid mixing and foaming equipment. The system comprises an elastic Venturi tube module, a variable-diameter execution module, a working condition sensing module and an intelligent control module. The throat is composed of an elastic tubular body which can be elastically deformed in the radial direction. The variable-diameter execution module is arranged outside the throat and is used for applying a controllable radial force to the elastic tubular body to adjust the inner diameter of the throat. The working condition sensing module is used for monitoring the slurry flow, pressure and foam quality parameters in real time. The intelligent control module performs closed-loop control on the variable-diameter execution module according to the sensing data, so that the inner diameter of the throat is adjusted to be within a preset target pressure difference range. The application can adjust the throat diameter in real time according to different working conditions, optimizes the mixing effect of gas, liquid and solid three phases, and improves the foaming stability and working condition adaptability.

The invention discloses a channel deposition thickness online measurement method and system based on multi-source fusion self-checking. The system can synchronously collect the water level, water temperature and ultrasonic sounding data of a target section in a water operation state, inverts the bed surface elevation after sound velocity correction, and then obtains the deposition thickness through the difference between the bed surface elevation and a reference bed surface. According to complex working conditions such as muddy water and turbulent fluctuation, a self-checking system containing echo quality, repeatability, neighborhood consistency, re-checking point errors and drift indexes is constructed, a four-level re-testing mechanism of points, testing lines, fracture surfaces and a system is set, and corresponding calibration is automatically triggered according to index overrun. And finally, the deposition statistics, the thickness uncertainty and the credibility are output, and original data, processing parameters and retest records are associated and archived, so that the traceability of the whole process is realized. The method can realize stable and reliable on-line monitoring of the deposition thickness under the condition of not cutting off water, and is suitable for channel operation management under complex working conditions of sand, muddy water and the like.

This invention belongs to the field of mining engineering and addresses the problems of large data transmission volumes, incomplete risk assessments, and delayed early warnings in traditional mine safety management systems. It proposes a new mine safety management system. The data acquisition module collects multi-dimensional raw data, including mine environmental parameters and geomechanical data, through sensors. The edge computing module deploys nodes in the acquisition area to locally clean, denoise, and extract features from the raw data, generating secondary data which is then transmitted via the information transmission module. The data processing module incorporates a risk emergence prediction component using multimodal fusion and dynamic Bayesian networks. It integrates multimodal features and dynamically simulates risk evolution to calculate risk levels. The data response module pushes early warning information to personnel at different levels through multiple channels based on the risk level. This system reduces data transmission volume, improves the comprehensiveness of risk assessment, and enables proactive risk prediction, meeting the needs of real-time mine safety monitoring and efficient management.

The utility model belongs to the technical field of dip-coating mechanisms, and particularly relates to a graphene dispersion liquid continuous coating and drying device which comprises a supporting frame. The dip-coating mechanism is installed on the surface of the supporting frame and used for conducting dip-coating operation on the yarn; the drying assembly is installed at the position adjacent to the dip-coating mechanism and has the function of dewatering and drying the yarn subjected to dip-coating; wherein the drying assembly comprises a drying unit and a purifying unit, the drying unit is used for executing hot air drying operation, and the purifying unit is used for treating gas emissions generated in the drying process. The device has the beneficial effects that volatile gas and peculiar smell molecules generated in the drying process can be treated through the purification unit, the content of harmful components in the gas is reduced, the influence of direct emission on the air quality is avoided, the environmental friendliness of a production place is effectively improved, the risk that workers inhale pollutants is reduced, and the production efficiency is improved. Meanwhile, physiological discomfort caused by peculiar smell stimulation is reduced, and a safer working environment is provided for operators.

This invention discloses a visual inspection device for the end face of a tablet pressing mold, comprising a cabinet and a workpiece. The cabinet houses a worktable with a clamping mechanism for limiting and clamping the workpiece. A first visual inspection mechanism is mounted on the worktable, and a second visual inspection mechanism is located on the upper part of the worktable near the clamping mechanism. Compared to existing technologies, this device, with its adjustable clamping mechanism and two visual inspection mechanisms, effectively improves inspection efficiency through their combined operation. The clamping mechanism rotates the workpiece under the drive of a stepper motor. The first visual inspection mechanism integrates an end face inspection camera and a laser profilometer, simultaneously measuring end face parameters and scanning surface defects. The second visual inspection mechanism is equipped with multiple axial inspection cameras, enabling precise modeling of the overall contour of the workpiece, thus avoiding efficiency losses caused by multiple clamping operations.

The utility model belongs to traditional chinese medicine decoction piece processing technical field, concretely is a kind of traditional chinese medicine decoction piece preparation drying integrated machine, including washing tank, still include: conveyer belt one, activity setting in washing tank, be provided with spray tray on the washing tank top, and the spray tray bottom end is connected with multiple evenly distributed water nozzle;Mounting bracket, set up in one side of washing tank, and mounting bracket is movably installed with conveyer belt two, and conveyer belt two is provided with cutter above;Drying cylinder, set up below mounting bracket, the air inlet groove is established in drying cylinder top end, and drying cylinder bottom end is fixed with gas-collecting hood, and gas-collecting hood and the air outlet end of hot blast engine are connected by pipeline;The utility model passes through modularization layout and conveyer belt transmission, realizes traditional chinese medicine decoction piece cleaning, cutting to drying integrated continuous production, reduces material transfer link, avoids the efficiency loss of process interruption.

The invention discloses an overlay alignment method and system for direct writing photoetching. The overlay alignment method comprises the following steps: selecting a first alignment mark and a second alignment mark in a target area to be photoetched, performing preliminary alignment based on the first alignment mark, and calculating a calibration coordinate and a calibration error of the second alignment mark after the preliminary alignment; if errors of all the second alignment marks are smaller than a threshold value or the number of the alignment marks of the current target area does not meet the splitting requirement, the current first alignment mark and the current second alignment marks are used for final alignment and exposure; and otherwise, splitting the current layout into a plurality of sub-layouts, and recursively executing the process on each sub-region until the exposure of the whole target region is completed. According to the method, a complex global nonlinear correction problem is converted into an approximate linear correction problem which is in a series of sub-layouts and can be accurately described by a simple model, and the overall alignment precision of the distorted wafer is remarkably improved in principle.

This utility model provides a three-way fire extinguishing device for coal mines, belonging to the field of coal mine production technology. It includes an installation rod with a collar fitted on it. A protruding seat protrudes from the collar, and extinguishing components are symmetrically installed on the protruding seats. Each extinguishing component includes a first guide tube fixed to the protruding seat, and a second guide tube passing through it. Water outlet holes are drilled at the bottom of both the first and second guide tubes. A water inlet pipe is installed on the protruding seat of the collar, and both first guide tubes are connected to the protruding seats. The water inlet pipe is also connected to the interior of the first guide tube. An installation plate is installed at one end of the installation rod. This utility model achieves precise position adjustment through an axial sliding mechanism between the installation rod and the collar, combined with a servo motor-driven lead screw rotation transmission method. When different fire sources need to be covered, precise displacement control of the collar on the installation rod can be achieved, avoiding the errors and efficiency losses of traditional manual adjustment.

The application provides a compressed air energy storage system and method, and relates to the technical field of energy storage.The compressed air energy storage system comprises a compression device, a multistage gas storage device and a multistage expansion device.The multistage gas storage device comprises a main gas storage device and a plurality of sub gas storage devices.The gas inlet of the main gas storage device is communicated with the gas outlet of the compression device.The first gas outlet of the main gas storage device is respectively communicated with the gas inlets of the sub gas storage devices.The multistage expansion device comprises a plurality of sub expansion machines connected in series.The gas inlet of the multistage expansion device is communicated with the second gas outlet of the main gas storage device.The gas inlet of each sub expansion machine is communicated with the gas outlet of the corresponding sub gas storage device.The compressed air energy storage system has a wide adjustable operation range when releasing energy, and the operation boundary of the system is expanded.

This application provides a conductive paste that, by introducing inexpensive metals such as nickel and aluminum into the paste, increases the proportion of conductive metals other than silver to a maximum of 50%, significantly reducing the amount of precious silver used, effectively controlling material costs, and alleviating cost pressures caused by soaring silver prices. By controlling the particle size distribution of conductive metals other than silver (D50 is 2-9μm, D100 < 30μm), the paste is ensured to have good permeability and formability during screen printing, without screen clogging or broken grid lines, forming complete and uniform fine grid lines, laying the foundation for high efficiency.

The utility model discloses a kind of waste plastic bottle cap and bottle body automatic separation compression device, including conveying device and the bottle cap of corresponding setting both sides, bottle body separation device;There is clamping claw adjusting disc in the separation hole of bottle cap separation device, clamping claw on disc can be adapted different size bottle cap by adjusting groove and moving screw rod, middle part push rod can accurately push bottle cap to collection box, reduce missing and fall off;The conveying table both sides of bottle body separation device move adjusting assembly with clamping arm, different specification bottle body can be adapted by adjusting screw rod and telescopic arm, rear compression component can automatically compress bottle body, reduce transportation storage space and cost;Device realizes the general processing of multiple plastic bottles, avoid the efficiency loss caused by specification difference.

The utility model discloses a vertical hydraulic clamp, include: circular base, annular cylinder wall, vertical clamping mechanism and hydraulic distribution valve, circular base is installed in the rotary workbench, and annular cylinder wall is ringed in circular base, annular cylinder wall and circular base surround and set up clamping work cavity, the rotary workbench can make circular base and annular cylinder wall rotating activity, annular cylinder wall is provided with the vertical mounting plate of the board piece, vertical clamping mechanism and hydraulic distribution valve are installed in vertical mounting plate, vertical clamping mechanism includes a plurality of hydraulic clamping subassembly connected with hydraulic distribution valve, the utility model discloses, and the clamp whole is directly installed on the rotary workbench through circular base, can realize the synchronous rotation of workpiece and clamp under the clamping state, the design makes the hydraulic clamping force direct action on the vertical or inclined facade of workpiece, and the vertical posture of perfect adaptation large -scale workpiece is placed, and the rigidity and the anti -vibration of clamping under the strong cutting working condition are ensured.

This utility model relates to the field of machining technology, and in particular to a rotating bracket for mechanical parts. It includes a support frame, with a clamping mechanism movably connected to the front end of the support frame. A rotating mechanism is located at the rear end of the support frame, and the rotating mechanism is kinetically connected to the clamping mechanism. A protective shell for protecting the rotating mechanism is fixedly installed at the rear end of the support frame. A control module and a power module are also fixedly installed at the rear end of the support frame, both located within the protective shell. This rotating bracket for mechanical parts, by integrating multi-directional positioning and stable clamping functions, enables rapid flipping and precise positioning of sheet metal parts during multi-faceted punching and other processing, eliminating the need for repeated clamping and significantly improving processing efficiency and accuracy. It is particularly suitable for the high-efficiency, high-precision processing requirements of complex sheet metal parts such as the housings of precision electronic devices.

The invention relates to the technical field of buckle production equipment, in particular to a buckle production and processing crevasse machine with an automatic feeding function, which comprises a vibration feeding mechanism and a crevasse mechanism, an L-shaped support frame is arranged between the vibration feeding mechanism and the crevasse mechanism, and a pretreatment mechanism is arranged on one side of the L-shaped support frame; a transmission mechanism is arranged on one side of the pretreatment mechanism; the progressive pre-flaring wedge blocks are arranged in the pretreatment mechanism, the thicknesses and the lengths of the five pre-flaring wedge blocks are gradually increased from right to left, progressive pre-flaring treatment can be conducted on the buckle, buckle deformation or cracking caused by direct crevasse is avoided, a foundation is laid for follow-up precise crevasse, and the machining efficiency is improved. The downward pressing assembly vertically moves downwards to clamp the buckle to prevent displacement through cooperation of a pressing plate, a linkage plate and a buffering pad, then the buckle is pushed in an auxiliary mode in the direction of the opening breaking mechanism along an inclined limiting groove, stable positioning of the buckle is achieved, and the buckle is prevented from being blocked in the conveying process.

The application discloses a fish line winding mechanism and relates to the technical field of fish line manufacturing.The fish line winding mechanism comprises a vertical plate, one end of the vertical plate is provided with a fixed plate, both ends of the fixed plate are provided with end blocks, the end blocks are provided with through holes for the fish line to pass through, at least two groups of winding rollers are rotationally arranged between the two end blocks, the two groups of winding rollers are arranged at an angle, and a plurality of winding rollers are arranged in a wave shape.The fixed plate is provided with a support plate, the support plate is rotationally provided with a pressing roller, the fixed plate is rotationally provided with a clamping rotating wheel corresponding to the pressing roller, and the clamping rotating wheel and the pressing roller jointly clamp the fish line.The through holes of the end blocks provide a stable in-and-out path for the fish line, the two groups of winding rollers arranged at an angle and arranged in a wave shape can comb the fish line from different directions, the cooperation of the pressing roller and the clamping rotating wheel realizes automatic conveying and clamping of the fish line, the winding efficiency is greatly improved, and the fish line winding mechanism can meet the demand of large-scale industrial production.

The application discloses a multi-target collaborative optimization method and system for a boring process of an oil injector pressure plate, and the method comprises the following steps: collecting geometric process parameters and cumulative state data of a boring process, establishing a process data set according to tool numbers and workpiece indexes, and determining a tool life stage according to the process data set; dividing an axial state section in a hole based on axial coordinates in a numerical control program and a workpiece drawing, and forming a process state unit. Roughness, wear growth and cutting load of each process state unit are predicted through a response model, candidate cutting parameters are simulated according to a machining sequence, and cumulative states of tools are updated section by section, total machining time, roughness risk values and wear indexes are calculated, and a non-dominated solution set is obtained. The selected solution is converted into a boring process parameter table and written into a corresponding program section, and machining efficiency, surface quality and tool wear control can be considered.

The utility model relates to the technical field of self-service terminals, in particular to a non-contact type self-service terminal vertical cabinet, which comprises a cabinet body, a non-contact type capacitance touch screen, an identity card recognition area and a scanning recognition groove, and is characterized in that the side wall of the cabinet body is provided with a storable type positioning support piece for supporting a virtual gesture learning guide screen. The positioning supporting piece is formed by hinging a bottom supporting plate and a top positioning plate through a swing shaft, the guiding screen is horizontally fixed when the positioning supporting piece is unfolded, and the positioning supporting piece is locked through a positioning clamping pin when stored. An elastic positioning block is arranged in the top positioning plate and is suitable for clamping guide screens with different thicknesses; the bottom support plate is integrated with a power supply plug to realize continuous power supply of the guide screen. According to the utility model, the problem that old users are difficult to operate is solved through visual gesture teaching, the structure is compact, and the normal use of equipment is not influenced.