6756results about "Presses" patented technology

The invention relates to the technical field of equipment fault diagnosis, in particular to an extruder equipment fault recognition method and system based on artificial intelligence, and the method comprises the following steps: collecting key fault features of an extruder in real time based on a multi-mode sensor network, optimizing the signal quality through data preprocessing and feature decoupling, and obtaining a fault recognition result; and the generalization ability of the model is improved by using cross-device feature mapping and transfer learning, a hybrid neural network is combined, a physical constraint layer is embedded on the basis of a data driving layer, a feature incidence matrix conforming to the dynamic characteristics of the extruder is constructed, and a fault prediction model can be adjusted in real time through a dynamic weight distribution mechanism and dual-target loss optimization, so that the fault prediction efficiency is improved. The method adapts to the change of the operation state of the equipment, and realizes the real-time detection, graded early warning and precise operation and maintenance of faults in combination with an intelligent early warning mechanism and a multi-target optimization decision. According to the invention, the operation stability and maintenance efficiency of the extruder equipment are obviously improved, and the method is suitable for equipment health management in the field of intelligent manufacturing.

The invention relates to the technical field of press monitoring, in particular to a digital twinning-based three-dimensional monitoring system for a precision servo press, which comprises a physical layer sensing module for acquiring real-time operating parameters, environment variables and workpiece processing data of the press; the dynamic twin construction module constructs a total-factor digital twin, and simulates a force-heat-deformation coupling effect by using finite element analysis and a multi-body dynamics algorithm based on physical attributes and process parameters; the intelligent analysis center identifies a potential fault mode of the press machine and locates an abnormal source through multi-physics field simulation data in combination with an improved CNN-LSTM model; the three-dimensional visual interaction unit constructs an interactive immersive three-dimensional virtual scene, renders a running state and a processing process in real time, and generates a maintenance strategy; and the self-adaptive regulation and control unit predicts the residual life of the key component and dynamically adjusts parameters according to a maintenance strategy and real-time monitoring data. Therefore, the problems of single monitoring dimension, disjunction of maintenance strategies and the like in the prior art are solved.

The invention discloses a real-time pressure compensation method for a multi-axis linkage precision press, which relates to the technical field of control of a press, and comprises the following steps of: when a coefficient is detected to exceed a warning threshold value, executing abnormal identification and generating abnormal axis information; a short-stroke reciprocating test is carried out on an abnormal shaft under a safe working condition, force-displacement and force-speed curve characteristics are recorded through high-frequency sampling, and friction model parameters are updated by utilizing a self-learning fitting algorithm. And calculating a life degradation index by comparing a historical parameter sequence with the updated friction model parameters, and formulating a pre-maintenance strategy including a replacement period, spare part requirements and priorities. If the pre-maintenance strategy is not executed in time and it is monitored that the friction increasing coefficient continues to rise or the compensation amount is close to the upper limit, real-time compensation is applied, and the speed-limiting and load-limiting or emergency shutdown process is triggered. Through a multi-level safety control strategy, sudden friction abnormity can be accurately captured, and reliability and maintainability are remarkably improved.

The invention relates to the technical field of stamping metal processing, in particular to an integral forming stamping process for a new energy automobile battery contact spring, which comprises the following steps: collecting parameters in real time; abnormal judgment is performed to form a result; determining an abnormal event type; judging a processing risk grade; the blanking force and the forming force are adjusted; adjusting a tension threshold value and a synchronization degree threshold value; and the preset feeding speed is adjusted. Through multi-parameter real-time collection and coupling analysis, a closed-loop control system based on abnormal recognition, risk assessment and parameter self-adaptive adjustment is established, the precision and stability of contact spring punch forming are remarkably improved, the blanking force and the forming force are intelligently adjusted in a linkage mode when the risk level is high, so that the punching quality is optimized, and the production efficiency is improved. And the problem of composite disturbance instability caused by incapability of adapting to dynamic change of material elasticity and processing speed due to excessive dependence on a fixed adjustment mode is effectively solved.

The invention discloses a self-adaptive optimization control system and method for rapeseed oil squeezing, and the method comprises the steps: obtaining rapeseed oil squeezing historical data, constructing a rapeseed oil squeezing reference library and a rapeseed oil squeezing prediction model, matching the rapeseed oil squeezing reference library to obtain an initial operation technology of an oil press, and carrying out the rapeseed oil squeezing to obtain an actual oil output index; obtaining a first predicted oil output index, obtaining an oil press bearing wear rate and an oil press state index according to the oil press operation current and the oil press operation state, correcting the first predicted oil output index to obtain a second predicted oil output index, and calculating an oil output index deviation; and selecting a process optimization strategy according to the oil outlet index deviation and the oil press bearing wear rate, and obtaining the optimized operation process of the oil press according to the process optimization strategy. The method not only can improve the efficiency and accuracy of rapeseed oil squeezing optimization control, but also has good interpretability, and can be directly applied to a rapeseed oil squeezing self-adaptive optimization control system.

The invention discloses a control method and system of a servo press, and relates to the field of press control, a force displacement curve is obtained in real time from a current punching period, a key feature vector of the force displacement curve is extracted, the key feature vector is compared with an ideal golden feature vector, and a multi-dimensional deviation vector is obtained. Particularly, a deviation decoupling method based on morphological analysis is introduced, and the total deviation can be accurately decomposed into a thermal drift compensation amount caused by the thermal effect of equipment and a material characteristic compensation coefficient caused by plate performance fluctuation by analyzing translation and zooming differences of a current curve and a gold curve in form. Therefore, independent and accurate compensation can be carried out for a physical source, the problems of information aliasing and compensation failure caused by the fact that disturbance sources cannot be distinguished in the prior art are effectively solved, intelligent and feed-forward type cooperative compensation for the next stamping period is achieved, and long-term stability and high precision of the production process are ensured.

The invention discloses a stamping die control method and system for watchcase machining, and the method comprises the steps: judging whether a gap between a stamping die and a watchcase cavity meets a preset condition or not, and calculating a curvature variation coefficient of a boundary region to generate a first compensation instruction when the gap meets the preset condition; an actually-measured blanking force-displacement curve during machining is obtained, the actually-measured blanking force-displacement curve is compared with a standard curve to recognize a stamping sub-stroke section with the blanking force deviation rate exceeding a first threshold value, and a resistance deviation signal is generated; a cooling system is triggered to operate in a frequency reduction mode, and surface smoothness data of the watchcase workpiece are detected; when the abnormal index of the burr feature vector exceeds a second threshold value, a mold fault area is positioned, and a second compensation instruction is generated; and the first compensation instruction and the second compensation instruction are fed back to a piezoelectric ceramic actuator of the watchcase stamping die, and pressure distribution of the watchcase stamping die is adjusted in real time. According to the invention, multi-dimensional compensation instructions can be integrated to adjust pressure distribution in real time, and the process reliability of watchcase processing is improved by dynamically and adaptively controlling die processing.

The invention provides a method for optimizing stamping process parameters of a thin-wall rectangular shell of a new energy battery, and relates to the technical field of metal plate stamping forming. The method systematically explores a process parameter space through an orthogonal test design, and accurately quantifies a parameter coupling effect in combination with a dual-target regression model to optimize the stamping process parameters of the thin-wall rectangular shell of the new energy battery. An NSGA-I algorithm is utilized to generate a Pareto optimal solution set giving consideration to the maximum / minimum molding thinning rate, and the limitation of traditional single-target optimization is broken through; furthermore, material fluctuation and equipment deviation are compensated in real time through PI D dynamic control, closed-loop control of modeling-optimization-feedback is formed, the consistency of the forming quality of the thin-wall shell is remarkably improved, the defect rate is reduced, meanwhile, the process debugging period is shortened, the adaptability of a production line to complex working conditions is enhanced, and the production efficiency is improved. And reliable technical support is provided for efficient and precise stamping of the new energy battery shell.

Proposed is a food waste disposal apparatus for automatically discharging food waste by compressing (naturally dewatering), cutting, and drying food waste. More specifically, proposed is a food waste disposal apparatus having a corrugated part provided at an input hole so that same can be bent in all directions, and thus construction is facilitated, and having, at a predetermined distance away from a drying drum that generates high heat, an exhaust fan for discharging internal air of a drying and discharging part, so as to minimize breakdown of the exhaust fan caused by high heat, and enable vibration and noise of the exhaust fan to be prevented.

The invention discloses a spinning machine cluster pressure cooperative control method based on multi-source evidence fusion, and the method comprises the steps: obtaining the real-time state parameters of each spinning machine, and calculating the derived state parameters of each spinning machine and a connection region thereof through the real-time state parameters; forming an abnormal evidence according to the abnormal state parameters of each spinning machine, and fusing the abnormal evidences of all the spinning machines through a DS evidence theory to obtain a global abnormal confidence coefficient; dynamically generating a cluster security envelope and a dynamic security threshold of the real-time state parameters according to the global abnormal confidence and the state parameters of each section; and real-time state judgment is carried out through the dynamic safety threshold and the global abnormal confidence coefficient, and the spinning machine cluster is controlled to work.

The invention relates to the technical field of digital twinning, in particular to a digital twinning monitoring system for a precision servo press production line, which comprises a physical production line module, an edge calculation module, a cloud digital twinning module and a visual monitoring module, wherein the physical production line module is used for monitoring and collecting production line data in real time; the edge calculation module preprocesses and analyzes the collected original data, judges product defects, equipment faults and employee abnormal states in real time to trigger edge early warning, and outputs a multi-dimensional data set; the cloud digital twinborn module is used for constructing a digital twinborn body, establishing a real-time coupling simulation model fusing electromagnetism, heat, force and sound to simulate the internal physical process of equipment in real time, predicting the performance change and potential fault of the equipment, positioning the fault root cause and predicting the residual life; and the visual monitoring module is used for carrying out multi-dimensional visual presentation and providing decision support. Therefore, the problems of insufficient production line staff monitoring, single physical field monitoring, lack of fault predictability and the like are solved.

The present invention provides an automatic waste collection and packing device and method for a die-cutting machine, which relates to the technical field of waste collection of die-cutting machines. The automatic waste collection and packing device and method for a die-cutting machine include a collection box, and further include a compression mechanism installed inside the collection box and sliding up and down along its height direction. A transfer box for packing and transporting the waste compressed by the compression mechanism is placed at the bottom of the collection box. By installing a compression mechanism inside the collection box, rotating the rotating plate by opening an installation groove in the extrusion plate, arranging connecting shafts rotatably connected to the extrusion plate at both ends of the rotating plate, arranging sliding seats at the ends of the connecting shafts, arranging a connecting seat on one side of the sliding seat, and arranging a resetting member inside the connecting seat and fixedly connected to the connecting shaft, it is possible to facilitate the user to compress the waste into waste blocks by the compression mechanism while not affecting the entry of waste into the collection box, thereby reducing the volume of the waste and facilitating the recycling and reuse of the waste.

The invention provides a servo press control system and method based on a time-sensitive network, and relates to the technical field of intelligent manufacturing and industrial automation control, and the system comprises a time-sensitive network TSN which is used for providing global time synchronization and deterministic data transmission; a main controller of the multi-axis servo control unit is used for issuing a motion control instruction and a feeding and discharging control instruction through a TSN. A robot controller in the robot feeding and discharging unit is used for driving an industrial robot to execute plate taking and placing operation under the action of the feeding and discharging control instruction. The visual monitoring unit comprises an industrial camera accessed to the TSN and is used for collecting images and transmitting image data to the edge computing node through the TSN; the edge computing node is used for processing the image data to generate a compensation instruction and feeding back the compensation instruction through the TSN; and the upper monitoring system is used for subscribing real-time data published by the edge computing nodes, so that the control range of the servo pressure control system is expanded, and the convenience of data transmission and interaction is improved.

The invention relates to the field of data processing, in particular to a stamping state monitoring method, electronic equipment and a storage medium, and the stamping state monitoring method comprises the steps that in response to received current stamping parameters, a stamping machine is controlled to conduct stamping operation on a to-be-stamped part according to the current stamping parameters, and a corresponding stamping forming part is obtained and serves as a current stamping forming part; state parameters and defect information of the current punch forming part are obtained, and a state vector of the current punch forming part is obtained based on the obtained state parameters and defect information; obtaining a current stamping state determination method based on the defect information; and the current punching state of the punching machine is determined through a current punching state determining method, and pressure parameter adjusting prompt information is determined based on the obtained punching state. According to the method, the stamping state can be monitored in real time based on the state vector of the stamping forming part, the corresponding prompt information is output, and certain reference information can be provided for performance optimization of the stamping forming part in a practical application scene.

The invention relates to a screw press for separating filtrate from a feed material. It is characterised in that a sensor arrangement comprising a sensor for measuring the filtrate content is arranged in the discharge area, the feed material flowing towards and / or around the sensor. This allows simple, prompt, and accurate measurement of the filtrate content.

A reciprocating lamination spiral solid-liquid separator is provided, including: a support frame, a filter chamber, a spiral shaft and a driving device. The filter chamber is assembled with the support frame. The spiral shaft is mounted on the support frame and passes through the filter chamber. The driving device is mounted on the support frame. Two ends of the filter chamber respectively have a feed port and a discharge channel. The filter chamber includes a first closed movable ring-piece assembly and a second closed ring-piece assembly having a motion state that is inconsistent with that of the first closed movable ring-piece assembly. The first and second closed ring-piece assemblies are stacked alternately to form the filter chamber, and a gasket is disposed between two adjacent closed ring-pieces of one of the closed ring-piece assemblies.

The invention relates to the field of waste plastic recycling, and discloses plastic film recycling equipment which is used for cleaning and recycling broken plastic films. Comprising a cleaning pool, an inclined conveying belt is arranged at the tail end of the cleaning pool, water filtering holes are formed in the conveying belt, and an extrusion component is arranged on the conveying belt; and the fished-out fragments are extruded by the extrusion part, so that the drainage speed of the fragments is accelerated, and the subsequent recovery processing step is ensured to be smoothly carried out. A traditional conveying belt drains water only by means of gravity, and water in wet plastic fragments and between layers is difficult to effectively discharge, so that the water yield is large. The intermittent extrusion action is introduced in the operation cycle of the conveying belt, and the'wet cake 'structure formed by the surface tension of a water film of the wet material is destroyed in the squeezing process, so that the moisture is easier to release, the initial moisture content of the material is greatly reduced, the load of subsequent centrifugal dewatering or hot air drying equipment is effectively reduced, and the energy consumption and the operation cost are remarkably reduced.

The utility model discloses a cotton yarn production waste yarn recovery device convenient to compress, which comprises a recovery box, the recovery box is arranged above a bottom plate, a feeding seat is arranged at the upper end of the recovery box, a metal corrugated hose is arranged above the feeding seat, a baffle is arranged on one side of the recovery box, a filter disc is arranged at the center of the bottom plate, and the filter disc is arranged on the bottom plate. An exhaust fan is arranged below the bottom plate, and supporting legs are arranged below the bottom plate; the waste yarn recycling device comprises a bottom plate, a recycling box is arranged on the bottom plate, the pressing plate is arranged in the recycling box, an electric push rod is arranged on one side of the recycling box, the telescopic end of the electric push rod is fixedly connected with the pressing plate, and an energy supply assembly is arranged below the bottom plate. The waste yarns collected and stacked in the recycling box are extruded, the fluffy waste yarns are compacted, the compression function is achieved, the space occupied by the waste yarns in the recycling box is reduced, and the waste yarn recycling efficiency is improved.

The invention relates to the technical field of metal casting and powder metallurgy, in particular to a pressure self-adaption adjusting method and system for multi-material forging and pressing, and the method comprises the steps that 1, forging and pressing equipment and a parameter collecting system are initialized; 2, multi-parameter data in the forging and pressing process are collected in real time; 3, calculating the dynamic deformation resistance of the material based on the real-time parameters; step 4, generating a self-adaptive pressure regulation value according to the dynamic deformation resistance; 5, controlling a pressure executing mechanism to output a target pressure value; and 6, the forging and pressing process is continuously monitored and terminated, the step 2 to the step 5 are repeated until the displacement of the die reaches a preset forging and pressing completion position, the central processing unit sends out a termination signal, the pressure execution mechanism gradually unloads pressure to complete the forging and pressing process, and all parameters and adjustment records are stored for quality analysis. Through accurate pressure control and a closed-loop feedback mechanism, defects caused by too high or too low pressure are avoided, the rejection rate is remarkably reduced, and the qualified rate of products is increased.

The invention discloses a control system and method of an intelligent servo press, relates to the technical field of press control, and constructs a uniform stamping state representation through deep excavation and fusion of force and displacement process data streams generated in the servo press. On the basis, a double-time-scale implicit state estimation algorithm is introduced, time sequence modeling and deep analysis are carried out on weak and gradual change characteristics contained in a full-stroke force displacement curve, and therefore accurate quantitative evaluation of the implicit state of mold abrasion is achieved. Then, the quantized wear value serves as a core decision factor, a self-adaptive control mechanism based on a compensation knowledge base is driven, and an optimal process compensation strategy and a sliding block target track are dynamically generated. Therefore, the product quality consistency in the precise stamping process can be improved, the service life of the die is effectively prolonged, the production cost is reduced, and the intelligent level of stamping production is comprehensively improved.

The utility model belongs to the field of mold preheating, and provides a full-automatic mold preheating machine which comprises a flame nozzle, an oil tank, an oil conveying pipe, an air compressor, a main air pipe, a negative pressure generator, a negative pressure pipe, a first electromagnetic valve, an oil suction pipe and a control panel. The oil conveying pipe communicates with the oil tank and the flame nozzle; one end of the main air pipe is communicated with the air compressor, and the other end of the main air pipe forms a first branch air pipe and a second branch air pipe which are connected in parallel; an air inlet and an air outlet which are coaxially arranged are formed in the negative pressure generator, a bypass opening communicated with an air channel between the air inlet and the air outlet is further formed, the air inlet is further communicated with the second branch air pipe, and the air outlet is communicated with the external atmosphere; the negative-pressure pipe communicates with the top of the oil tank and the bypass opening. The first electromagnetic valve is mounted on the second branch air pipe; the other end of the oil suction pipe is a free end; the control panel is in communication connection with the air compressor and the first electromagnetic valve.

The invention discloses a pressing device for rubber product processing, and relates to the technical field of press machines for rubber processing, the pressing device comprises a press machine rack, a press roller driving mechanism, a pressure adjusting piston, a main press roller, an auxiliary press roller, a pressure feedback piece, a magnetic compensation piece and a rubber contour prediction piece, the press machine rack is internally provided with a pressing chamber; a main compression roller and an auxiliary compression roller are installed through a supporting seat and driven by a compression roller driving mechanism to rotate, a pressure adjusting piston adjusts the overall pressure of the main compression roller, a pressure feedback piece on the main compression roller can dynamically detect the pressing pressure and generate a magnetic field, and a magnetic compensation piece of the auxiliary compression roller is matched with the magnetic field to achieve local pressure compensation. Compared with an existing press machine, the press machine has the advantages that the press fit quality and stability of rubber products can be improved through pretreatment detection, gradient pressure compensation and multi-parameter cooperative control, and the production efficiency is improved. And the universality and adaptability of equipment are enhanced.

The invention discloses an automatic die changing control system of a press machine. The automatic die changing control system comprises a programmable logic controller, electrical hardware electrically connected with the programmable logic controller and an execution component. The programmable logic controller is configured to achieve the control functions of sliding block die-filling height adjustment, balancer air pressure adjustment, die clamping device action, movable workbench operation and die identification number switching, and triggers at least two control functions to be executed in parallel in the die changing process. The programmable logic controller is connected with all electrical hardware and execution components through preset program logic so as to control starting, running and ending of the automatic die changing process in the whole process.

The invention discloses an anti-unbalance-loading sliding block active deviation correction method for a hydraulic machine sliding block, and the method specifically comprises the following steps: 1, unbalance loading detection: collecting displacement deviations [delta] x and [delta] y of the sliding block in X / Y directions in real time, installing a pressure sensor in a hydraulic cylinder oil path, detecting to obtain pressure data N, obtaining the pressure value of each supporting point, and calculating the deviation of the sliding block in the X / Y direction; calculating an offset center distance e and an offset load moment M according to the pressure data; the displacement deviation delta x and the displacement deviation delta y are compared with a preset threshold value, whether deviation rectification is triggered or not is judged, and if the deviation rectification is triggered, the mapping relation between the sliding block inclination angle theta and the hydraulic cylinder pressure compensation amount delta P is established through a mechanical model. According to the anti-unbalance-load active deviation correction method for the hydraulic press sliding block, displacement, pressure and dip angle data are combined, the unbalance-load recognition precision is improved, response is fast, PID parameters are adjusted in real time according to load changes, the accuracy of the position of the sliding block under different working conditions is adapted, and high-precision deviation correction is achieved.

The invention relates to the technical field of mold pressing machining equipment, and discloses self-adaptive tension control high-precision mold pressing equipment which comprises a base, a rack assembly is fixed to the base through bolts, a self-adaptive tension adjusting assembly is arranged on one side of the rack assembly, a tension balance adjusting assembly is arranged below the self-adaptive tension adjusting assembly, and a tension balance adjusting assembly is arranged below the self-adaptive tension adjusting assembly. The tension balance adjusting assembly is inserted between the winding and unwinding assemblies in a penetrating mode, a high-precision upper die control assembly is arranged at the top of the rack assembly, an upper die is fixed to the bottom of the high-precision upper die control assembly through a screw, and the interior of the upper die communicates with a temperature control assembly on the upper portion. According to the high-precision mold pressing equipment with the self-adaptive tension control function, the tension balance adjusting assembly is matched with a feedback system of the pressure sensor, independent and accurate control over the tension of each layer of material is achieved, the problems of interlayer dislocation and layering are effectively solved, and the interlayer attaching precision of layered mold pressing products is greatly improved.

The invention relates to a control method for an oil pressing assembly line, and the control method comprises the steps: detecting the amount of oil in a hopper device in real time, and conveying the oil with a preset weight to an oil pressing disc assembly below; and the oil pressing disc assembly completing loading is controlled to be pre-pressed, and the pre-pressed oil pressing disc assembly is placed on a conveying disc of the conveying mechanism. And dynamically monitoring the working states of the plurality of squeezing devices, and obtaining the real-time stacking height, the stacking duration and the destacking duration of each device. The stacking requirement is predicted based on the state data, the conveying disc carrying the pre-pressing oil disc assembly is dispatched to pressing equipment in a stacking state, and the stacking amount of the pressing equipment is smaller than a preset threshold value; the empty conveying disc is dispatched to a squeezing device in a destacking state, and the oil squeezing disc assembly is stacked and destacked; and the conveying mechanism is controlled to return the cleaned and emptied oil pressing disc assembly to the to-be-fed area. And the conveying mechanism is controlled to convey the oil pressing disc assembly to the automatically-matched pressing equipment, and automatic adjusting and dispatching are achieved.

The invention discloses an isostatic pressing device of an all-solid-state battery and a preparation method of the all-solid-state battery, the isostatic pressing device of the all-solid-state battery comprises a shell with an opening at the upper end and an upper cover, an isostatic pressing cavity is formed in the shell, the upper cover covers the upper end of the shell, a cylinder is arranged in the isostatic pressing cavity, and the upper cover covers the upper end of the shell. An all-solid-state battery and a conductive connecting piece used for being electrically connected with a tab of the all-solid-state battery are placed in the cylinder body, the cylinder body comprises a left half part, an insulating parting strip and a right half part, the left half part, the insulating parting strip and the right half part are sequentially connected, the left half part is electrically connected with the upper cover, and the insulating parting strip is electrically connected with the conductive connecting piece. The left half part is electrically connected with the shell, the right half part is electrically connected with the shell, an insulating sealing ring is arranged between the shell and the upper cover, and a tab of the all-solid-state battery is electrically connected with the left half part or the right half part through the conductive connecting piece; the device has the advantages that the isostatic pressing function and the in-situ formation function are achieved, the preparation process is shortened, and the production efficiency is improved.

The invention belongs to the technical field of graphite processing, and discloses a production process of large-size isostatic graphite for semiconductors, which comprises the following steps: S1, weighing raw materials such as needle coke and asphalt in proportion, crushing and grinding the raw materials through a crusher to reach the required conditions, then fully mixing the powdery raw materials with liquid asphalt by using a double-shaft kneading machine to obtain a mixture A; s2, filling a mold with the paste material, performing preliminary compaction through a vibration molding machine to prepare a green body, then putting the green body into an elastic mold, putting the elastic mold into an isostatic press, and under the uniform pressure of a high-pressure liquid medium, enabling the green body to be subjected to the same pressure in all directions so as to realize densification molding; through cooperation of structures such as the motor and the moving plate, when the motor is started to crush raw materials, the crushed raw materials on the surface of the sieve plate can be shaken, so that the raw materials cannot be accumulated at a certain position of the sieve plate to affect the screening effect, the raw materials are spread more uniformly, and the screening efficiency is improved.

The invention provides a bottom dead center position self-adjustment control method and system for servo stamping equipment, and the method employs a double-speed cooperation architecture of a field programmable gate array (FPGA) and a micro control unit (MCU): the FPGA carries out the high-frequency collection and preprocessing of position, direction, current, temperature, vibration and acceleration signals in a bottom dead center core region, and transmits the signals to the MCU at a low time delay; the MCU executes bottom dead center reference calibration and transmission chain back clearance recognition, constructs a comprehensive error in combination with Kalman filtering state estimation, solves the compensation amount in a rolling mode based on model predictive control (MPC), and writes the compensation amount into a servo driver fine adjustment motion curve through a bus in cooperation with dynamic dead zone control, so that the position of a bottom dead center is stably converged for a long time, and the stamping precision and consistency are improved.

An intelligent fecal solid-liquid separator for a cattle mattress bedding material production system and an operation method thereof. The cutting assembly is located directly above the first cutting groove. By setting a cutting assembly, the further extrusion is achieved to realize solid-liquid separation of separated solid waste. Further, by utilizing the cooperation between the pressing plate and the spring, it ensures the extrusion pressure of the waste spiral extrusion, thereby improving the accuracy of solid-liquid separation.