43results about How to "Reduce production risk" patented technology

The invention discloses a probe card simulation method and system based on counter-acting force analysis, which are used in the field of wafer simulation test, and the probe card simulation method comprises the following steps: integrating multiple physical field working conditions to construct a probe card geometric model, and importing the probe card geometric model into finite element simulation analysis software; carrying out grid division on the geometric model of the probe card by utilizing the hybrid voxel tree model, adjusting the grid density according to the distribution requirement of the multi-physical field, and setting a simulation boundary condition by utilizing a preset boundary condition template according to the actual simulation requirement; starting a simulation calculation process based on the adjusted grid density and simulated boundary conditions; and providing a visual interface of physical field distribution and a structural stress state in the simulation calculation process, and performing iterative optimization on the performance of the probe card in the simulation process according to a reactive force distribution result. According to the method, the grid density is automatically adjusted to adapt to changes of a physical field, and it is ensured that higher simulation precision is obtained in a key area.

The invention relates to the technical field of process management, in particular to a sealing integrated collaborative process optimization method and system. The method comprises the following steps: obtaining sealing process data; performing sensor data acquisition according to the sealing process data to obtain a multi-modal sensor acquisition data set; performing data preprocessing on the multi-modal sensor acquisition data set to generate a standard multi-modal sensor acquisition data set; performing process flow analysis on the sealing process data to generate sealing process flow data, the sealing process flow data including a sealing flow, a cover closing flow and a cover pressing flow; and performing intelligent process modeling on the sealing process, the cover closing process and the cover pressing process to generate a process procedure mathematical model. According to the invention, through multi-modal data acquisition, detailed process flow analysis, real-time monitoring and dynamic adjustment strategies, the flexibility and adaptability of sealing process production process management are improved.

The present invention provides a production traceability and transaction collaboration method and system for an MES system, which relates to the technical field of production traceability, including using graph database technology to construct a production process knowledge graph, mapping the fused multi-source heterogeneous data to the entities and relationships of the knowledge graph; based on a time series graph algorithm, establishing a dynamic time series association in the knowledge graph to form a traceable production process chain; based on a knowledge graph and anomaly detection model, constructing a transaction trigger mechanism to automatically identify production transactions that need to be collaboratively processed and obtain transaction collaboration records; using a reinforcement learning algorithm to establish a multi-agent collaborative decision-making model, which can adaptively allocate tasks and resources according to the current production status and historical experience; through a sequence-to-sequence model enhanced by an attention mechanism, converting unstructured collaboration requirements into executable workflows; and automatically generating a multi-dimensional production analysis report based on the traceable production process chain and transaction collaboration records.

The invention belongs to the technical field of cutter wear monitoring, and discloses a titanium alloy aviation structural member rough machining cutter wear self-adaptive monitoring method, which comprises the following steps: step 1, determining a cutter wear monitoring threshold T0 according to a machine tool spindle load torque value; 2, within the fixed period T1, a numerical control machine tool spindle load torque value set A in the rough machining process of a tool is collected; 3, performing low-pass filtering on the data in the set A to obtain a data set B; 4, performing kurtosis value analysis and evaluation processing on the set B to obtain a data set X; 5, performing data classification on the data set X by using a support vector machine, and obtaining a data set T by taking a set with the maximum number after classification; step 6, calculating a torque average value # imgabs0 # of the data set T; and step 7, performing cutter wear self-adaptive monitoring on the torque average value # imgabs1 # of each period according to a threshold value T0.

The present application relates to a fan fault detection method and system based on AI auscultation, and a fan safety system, which collects a third sound signal during the operation of the fan blades, performs digital-to-analog conversion and noise reduction processing on the third sound signal to obtain a sound signal C, extracts the actual features of the sound signal C, and compares them with the standard features to calculate the first similarity; when the first similarity is less than or equal to the first preset value, the actual features are compared with any one of the fault feature sets, and the second similarity is calculated respectively, the second similarity is arranged in descending order, and the first M fault features corresponding to the second similarity are taken to obtain the corresponding fault type or a combination of M fault types; after detecting a fault, an alarm is sounded and fault diagnosis advice and maintenance plans are provided. The above scheme can use AI auscultation combined with deep learning technology to extract and compare acoustic features of the real-time collected working noise to detect whether the blades are faulty in real time.

The invention discloses a standard component design effectiveness evaluation method. The method comprises the following steps: determining form design parameters, material characteristics and a production process flow according to a standard component design scheme; determining original morphological parameters and material attributes of the original processing material according to the production process flow, and applying the original morphological parameters and the material attributes to the finite element model; the production process flow is simulated through process simulation software, and state parameters of the standard part in the whole machining and forming period are obtained; driving the finite element model to enter processing and forming dynamic performance analysis of the standard component based on the state parameters to obtain multiple performance indexes of the standard component; and evaluating the plurality of performance indexes based on preset performance index requirements to obtain an evaluation result of the design effectiveness of the standard component. By physically simulating the production process of the standard component and performing finite element analysis on the whole cycle of the production process, the effectiveness of the design of the standard component is extracted and evaluated, and a designer can conveniently optimize the standard component in the design stage.

The invention discloses a molybdenum disulfide acid leaching purification process, relates to the technical field of molybdenum disulfide purification, and aims to solve the problems of waste acid recycling, wastewater treatment and equipment corrosion in the molybdenum disulfide purification process. The molybdenum disulfide acid leaching purification process comprises the following steps: S1, acid purification: adding a molybdenum concentrate raw material into a reaction kettle; adding reaction acid into the reaction kettle according to a certain solid-to-liquid ratio, heating the reaction kettle to react for a period of time, and cooling to dissolve impurities in the molybdenum concentrate; s2, filter pressing and cleaning: conveying the acid-washed material to a plate frame for filter pressing to form a filter cake, cleaning the filter cake with clear water for 2-4 times until the wastewater is neutral, and conveying the filter cake to the plate frame for filter pressing again; s3, repeating acid purification and filter-pressing cleaning for several times until various acids are used up in the process; and S4, drying: putting the cleaned filter cake into a drying system for drying to obtain the high-purity molybdenum disulfide with the purity of more than or equal to 99%. According to the acid leaching purification process, impurities in molybdenum disulfide are selectively dissolved, the purity of molybdenum disulfide is remarkably improved, and the industrial application requirement is met.

The invention discloses an electricity consumption information monitoring method and system based on hardware industry electric power big data, and belongs to the technical field of electric power information monitoring, and the method comprises the steps: S1, calculating segmented energy consumption data and classified energy consumption data based on electricity consumption data; s2, correcting the classified energy consumption data based on the working duration and rated power of the production equipment, and detecting whether the classified energy consumption data is abnormal or not; s3, constructing a fitting function by using the classified energy consumption data, the raw material feeding data and the finished product data, and judging whether the fluctuation information is abnormal or not; s4, judging the relationship between the power consumption data of the hardware feeding equipment and the threshold value to determine whether to adjust the feeding speed; s5, calculating the number of theoretical products based on the power consumption of the heating equipment, and adjusting the feeding speed if the actual number is smaller than a theoretical value; and S6, judging whether the heating equipment is abnormal or not according to the load current of the die forging equipment, and sending warning information. According to the scheme, multi-level power fault analysis is carried out on the hardware industry, so that the coverage range of power fault detection can be remarkably expanded.

The utility model belongs to the field of aluminum product processing, particularly relates to an automatic feeding device of an aluminum product processing production line, and aims to solve the problems that an existing aluminum product of which the size is smaller than the distance between the middle points of two moving rods can only be adsorbed through four vacuum chucks of which the suction force cannot be adjusted at the same time, the suction force capacity is relatively small, and the suction force cannot be adjusted. In order to solve the problems that in the prior art, suction forces of all suction cups are different during adsorption, stability is relatively poor, adsorption of aluminum products is removed in a vibration mode, and the aluminum products cannot fall down horizontally and are prone to collision due to the fact that the suction forces of all the vacuum suction cups are not uniform, the aluminum products comprise a movable frame and an installation disc. The device has the advantages of being high in flexibility, efficient in cleaning function, stable and reliable in adsorption mechanism, high in automation degree, compact in structure, easy and convenient to operate and the like between the two connecting columns, the production efficiency and product quality of an aluminum product machining production line can be remarkably improved, and the production cost and risk are reduced.

The utility model discloses a feeding pipe core sleeving device which comprises a pipe core storage mechanism, a pipe core transfer conveying line, a pipe core sorting and collecting mechanism and a pipe core sleeving mechanism. The pipe core transfer conveying line is arranged between the pipe core storage mechanism and the pipe core sorting and collecting mechanism, and the pipe core sleeving mechanism is arranged on one side of the output end of the pipe core sorting and collecting mechanism and is matched with the pipe core sorting and collecting mechanism to sleeve the winding shaft with the pipe cores. A tube core storage mechanism, a tube core transferring and conveying line, a tube core sorting and collecting mechanism and a tube core sleeving mechanism are integrated together, so that full-process automation of'tube core pre-storage, tube core transferring and conveying, tube core sorting and tube core sleeving 'is realized, and efficiency loss caused by manual carrying is eliminated; the automatic feeding pipe core sleeving device adopts an assembly line type multi-station collaborative layout, and the pipe core sleeving mechanism comprises a plurality of groups of winding shafts sleeved with pipe cores, so that the storage of multiple rows of pipe cores is realized, the production efficiency is improved, the human participation and the production risk of operators are reduced, and enterprises are helped to reduce the production cost.

This invention relates to the field of mechanical manufacturing technology, and discloses a method and system for automatically selecting and designing molds for retaining rings and spring machines. The method includes: obtaining the basic parameters of the retaining ring to be processed, and determining the final machine model that meets the requirements of each processing stage based on the basic parameters; calculating the width-to-thickness ratio based on the width and thickness of the retaining ring to be processed, and determining whether it meets the requirements for fan-shaped processing based on the width or width-to-thickness ratio; if it meets the requirements for fan-shaped processing, determining the inner arc angle of the fan-shaped cut based on the basic parameters of the retaining ring to be processed and the final machine model; if it does not meet the requirements for fan-shaped processing, determining the punching angle based on the cut type and application, and selecting or designing a mold for the retaining ring to be processed. This invention achieves full automation and intelligence in the selection and design of retaining ring and spring machine molds by obtaining the basic parameters of the retaining ring, improving the efficiency and accuracy of mold design, and accurately matching processing parameters according to the specifications and process requirements of the retaining ring, reducing the reliance on the professional skills of operators.

The utility model discloses a kind of wire rod clamping foot riveting devices, including the fixed seat and mounting plate being connected, mounting plate is fixed on fixed seat, and placing groove is opened on mounting plate, for preventing wire rod material;Still include clamping assembly, it is set on mounting plate, clamping assembly includes pressing plate, when operating, pressing plate covers on placing groove, for fixing wire rod material;Clamping assembly still includes a pair of support seat fixedly connected on mounting plate, a pair of support seat are fixedly connected with fixed link in each, fixed link is slidably connected with sliding block, the inner end of sliding block is rotatably connected with rotating block, and pressing plate and rotating block are fixed.The utility model is fixed by setting pressing plate and baffle, pressing plate can stably wire rod, ensure riveting position accurate, effectively solved the problem that traditional device wire rod is not fixed unstable and leads to riveting deviation, improve the qualified rate of product;Baffle provides effective protection, prevent material from being machine anvil bounce in riveting process.

The invention provides a method for catalytic continuous synthesis of aryl methyl ether, and belongs to the field of aryl methyl ether. The method for catalytically and continuously synthesizing the aryl methyl ether is carried out in a manner of combining continuous reaction and continuous rectification. According to the method for catalytically and continuously synthesizing the aryl methyl ether, the continuous production of the aryl methyl ether can be realized while dimethyl sulfate is not adopted and a large amount of high-toxicity wastewater and solid wastes are prevented from being generated in the production process, and the continuous production of the aryl methyl ether is mild in reaction condition, low in requirement on production equipment, small in production risk and high in production efficiency; the yield of the aryl methyl ether prepared through large-scale production is high, and large-scale industrial production is facilitated.

The invention discloses a spindle-shaped foot roller capable of improving the quality of a plate blank, a foot roller system and a continuous casting method. The spindle-shaped foot roller comprises a foot roller center part, a foot roller edge part and a foot roller transition part. The roller surface diameter of the central part of the foot roller is 105 mm, and the roller surface diameter of the edge part of the foot roller is 100 mm; and the foot roller transition part between the foot roller center part and the foot roller edge part adopts a curve smooth transition design. Through geometric parameter optimization and transition design of the spindle-shaped foot roller, the supporting effect of the narrow-face blank shell can be improved, meanwhile, mechanical pressure can be evenly distributed, the blank type and the surface quality of a casting blank are effectively improved, and meanwhile defects and production risks are reduced.

The utility model discloses a tool for drilling positioning pin holes in a bearing and a bottom frame, which comprises a magnetic drill used for drilling positioning pins in the bottom frame and the bearing of a motor, an adsorption cushion block and a fixing tool, the adsorption cushion block is arranged on the motor underframe and located on the side portion of a bearing, a magnetic suction cup of the magnetic drill is adsorbed to the upper surface of the adsorption cushion block, so that a drill bit is right opposite to the center position where a positioning pin is punched, at least one limiting window is formed in the side of the adsorption cushion block, and the fixing tool is connected to a bottom frame of the limiting window in a pressed mode. And the adsorption cushion block is fixed on the motor chassis. The utility model provides a tool for drilling positioning pin holes in a bearing and a bottom frame, which can conveniently and efficiently drill the positioning pin holes in the bearing and the bottom frame.

The utility model relates to a kind of switch door structure based on self-gravity and the solid-state battery production equipment comprising it, switch door structure based on self-gravity includes at least two parallelly arranged slide rails on door frame, and switch door is equipped between adjacent slide rail, each described slide rail is equipped with slide groove along its length direction, the slide groove includes sliding groove and the inclined clamping groove at the end of the sliding groove, the switch door is slidably connected with the slide groove;When the switch door moves to the end of the inclined clamping groove under the action of self-gravity, the switch door seals the door frame;By structural optimization design, the operation process of switch door is simplified, space occupancy is reduced, sealing performance is improved, simultaneously, without additional driving device, reduce the complexity and cost of equipment.

The utility model relates to the technical field of AGV composite robots, and discloses an AGV composite robot for feeding and discharging saccharified liquid auxiliary materials, which comprises a mounting shell, a mechanical arm is fixedly connected above the mounting shell, one end of the mechanical arm is fixedly connected with an injection head, a second air cylinder is fixedly connected inside the injection head, and the second air cylinder is fixedly connected with the mounting shell. A second connecting pipe is fixedly connected to the output end of the lower portion of the second air cylinder, a third connecting opening is fixedly connected to the outer side of the second connecting pipe, a butt joint is fixedly connected to the lower end of the injection head, and the lower end of the second connecting pipe is movably connected into the butt joint in a sleeved mode. According to the AGV composite robot for saccharification liquid auxiliary material feeding and discharging, butt joints can be conveniently aligned through the arranged second connecting pipe, manual participation is reduced, the production risk is reduced, the working efficiency is improved, cleaning can be conducted through the arranged first connecting pipe, pollution caused by auxiliary material residual liquid left in the robot is prevented, and the AGV composite robot is convenient to use. And the sanitary level of the working environment is improved.

The utility model provides a raw material mixing arrangement of refrigerator sealant production, relate to refrigerator sealant production equipment technical field, include: raw material mixing casing, raw material mixing casing upside side is equipped with a top plate, and the top plate top end surface fixed mounting has a group of stirring drive motor with control cabinet electric connection, the top plate bottom end surface has set up an installation groove, and the installation groove inner end top surface fixed mounting has a group of proximity switch, when stirring system appears motor jam, shaft body jam and so on, inductive signal interruption, timing module continues timing to trigger alarm after pre -design time value, realize the quick identification of trouble, and adopt audible -visual alarm to give an alarm prompt, remind operating personnel equipment abnormity in time through the sound and light double signal, be convenient for quick troubleshooting, avoid the equipment damage or raw material mixing quality defect caused by the expansion of trouble, reduce production risk, solved the problem that the existing mixing arrangement lacks effective trouble monitoring mechanism.

The invention relates to the technical field of rapeseed oil production, in particular to a rapeseed oil degreasing device. The invention provides a space-saving type automatic feeding rapeseed oil degreasing device. A rapeseed oil degreasing device comprises a centrifugal oil filter and further comprises a heating bin, a material bin, a pump a, a feeding pipe and the like, the heating bin is fixedly connected to the upper portion of the centrifugal oil filter and communicated with the centrifugal oil filter through a pipeline, the material bin is arranged in the centrifugal oil filter, one end of the feeding pipe is located in the material bin, and the other end of the feeding pipe is connected into the heating bin. The middle of the feeding pipe is connected with a pump a. Rapeseed oil is heated and stirred through the longitudinally arranged heating bins, the rapeseed oil degreasing efficiency is improved, the rapeseed oil degreasing production space is greatly saved, brine in the material bin is pumped into the heating bins through the pump a, the manual feeding procedure is reduced, the automation degree of the device is improved, and meanwhile the production danger is reduced.

The present invention provides a profile straightening machine, which relates to the technical field of profile processing equipment, and includes a straightening device, a first storage rack, a material shifting device, a second storage rack, and a profile dividing device; the straightening device includes a front jaw mechanism, a rear jaw mechanism, and a movable rail, the front jaw mechanism and the rear jaw mechanism are respectively slidably connected to the movable rail, the front jaw mechanism and the rear jaw mechanism are both provided with a feeding mechanism, the first storage rack is provided at the feeding end of the feeding mechanism; the material shifting device is provided at one side of the first storage rack, and the second storage rack is provided at the output end of the material shifting device; the profile dividing device abuts against one end of the second storage rack away from the material shifting device. The profile straightening machine of the present invention realizes the full automation processing of profiles from straightening to punching, which not only greatly improves production efficiency and quality stability, but also reduces production costs and the risk of manual intervention.

The application relates to a manufacturing method of a turbine pump accessory and the turbine pump accessory, the accessory comprising a turbine end bearing seat, a pump end bearing seat, a positioning shaft, a pump inlet shell and a pump outlet shell; the manufacturing method of the turbine pump accessory comprises the following steps: machining the turbine end bearing seat so that the turbine end bearing seat has first preset parameters; the turbine end bearing seat has a first shaft hole; machining the pump end bearing seat so that the pump end bearing seat has second preset parameters; the pump end bearing seat has a second shaft hole; one of the size precision, the shape and position tolerance and the surface roughness is included in the first preset parameters and the second preset parameters; the turbine end bearing seat is assembled to the pump outlet shell, and the coaxiality and the straightness of the first shaft hole of the turbine end bearing seat are aligned; the positioning shaft is assembled to the turbine end bearing seat; the pump inlet shell is sleeved on the positioning shaft and assembled to the pump outlet shell; and the pump end bearing seat is sleeved on the positioning shaft through the second shaft hole and assembled to the pump inlet shell.

The invention relates to the technical field of rice high-yield cultivation, and discloses a northern rice high-yield population construction and cultivation method based on light and temperature close planting regulation, comprising the following steps: S1, light, temperature and regional environment monitoring: collecting illumination and temperature data and soil and irrigation and drainage conditions of a northern rice planting region, and establishing a regional light and temperature change model; s2, variety matching and sowing period determination: combining the light and temperature sensitive characteristics of the rice variety with the monitoring data in the step S1. According to the method, on the basis of real-time light and temperature monitoring and a over-the-year big data model, the key growth period and the high light and temperature period of rice are accurately aligned, the advantages of sufficient illumination and large day and night temperature difference of northern rice areas are utilized to the maximum extent, and water, fertilizer and field management are adjusted by dynamically adapting to light and temperature changes; and for example, nutrient supply is optimized when illumination is insufficient, and cooling measures are taken at high temperature, so that the accumulation and transfer efficiency of photosynthetic products is remarkably improved, the problem of insufficient utilization of light and temperature resources in traditional cultivation is solved, and a material foundation is laid for high yield.

The present application relates to a kind of silver catalytic oxidation preparation sulfoxide method, first preparation is supported silver catalyst, under the action of this silver catalyst, catalytic hydrogen peroxide oxidation sulfide preparation sulfoxide.The silver catalyst prepared by this method has high stability and can be recycled multiple times.It catalyzes the oxidation of sulfide to obtain sulfoxide with high efficiency.Silver catalytic oxidation of sulfoxide reaction process has the advantages of high efficiency and high selectivity, and the catalyst is easy to recover, and is friendly to the environment.The product is easy to separate, and has good industrial application prospect.

This invention discloses a roadway forming control system for roadheaders based on laser scanning technology. It employs a high-density three-dimensional laser radar with high-speed rotation or multi-beam scanning signals to construct a real-time three-dimensional visualization model of the roadway contour. This model intuitively displays the designed contour, actual contour, deviation, cutting head position, and equipment status information. Simultaneously, it collects key data from the roadheader's operation and automatically generates a digital construction quality report, facilitating timely review by staff and traceability of the roadheader's working status. This system achieves millimeter-level precision, full-section, real-time point cloud data acquisition of the tunnel face and roadway walls, replacing traditional manual and low-precision automatic detection methods such as ruler measurement and string lines. This reduces system errors, improves detection accuracy and efficiency, and lowers the risks associated with roadheader production.

The utility model provides a pressure-stabilizing buffer water tank of a medium-frequency quenching machine tool, which is characterized in that a top plate is arranged at the top of a water tank body, and a water baffle is arranged inside the water tank body; a main water inlet pipe is fixedly installed on one side plate, right opposite to the water baffle, of the water tank body and used for being connected with a tap water source pipe. And water outlet structures which are spare for each other and are used for discharging water are fixed on the top of the top plate in parallel. The water baffle is additionally arranged at the water inlet of the water tank, eddy current generated by impact of tap water is eliminated, the tap water enters the inductor after being buffered by the water tank, the water pressure of each water inlet of the inductor is consistent, the quenching quality of parts is improved, and the production risk is greatly reduced.

The utility model discloses a leak hunting device for a vacuum system. The leak hunting device comprises a vacuum pump station and a pump station leak hunting mechanism. The vacuum pump station is provided with a machine body, a base, a vacuum pump, a control panel and a vacuum pipe, the vacuum pump is fixed in the machine body and communicated with the outside through the vacuum pipe, and the control panel is used for controlling and displaying running states. The pump station leak detection mechanism is embedded and fixed on the rear side of the vacuum pump station, a test box is in butt joint with a rear port of a machine body, a super-hydrophobic membrane layer is arranged on the rear side of an inner cavity of the test box, a partition plate is arranged on the front side, and a supporting plate is fixed on the top of the partition plate and connected with an infrared liquid level sensor. When the vacuum pump station leaks, purified water penetrates through the super-hydrophobic membrane layer to enter the front side area of the inner cavity of the test box due to the internal and external pressure difference, and the infrared liquid level sensor detects the liquid level change and sends out a signal to prompt an operator to deal with the liquid level change. The device is compact in structure and simple and convenient to operate, can timely and effectively detect leakage of the vacuum pump station, guarantees stable operation of a vacuum system, and reduces maintenance cost and production risks.

The present invention relates to the field of digital monitoring and management technology, and specifically to a global digital quality monitoring and management system, method and medium. The system of the present invention realizes all-round, digital monitoring of the welding process from data collection, analysis to parameter adjustment through a three-layer architecture design of a data acquisition layer, a data analysis layer and a management control layer, greatly improving the controllability and traceability of welding quality. Secondly, the system uses advanced image processing technology and data analysis algorithms to accurately evaluate the quality of welds, which not only improves the accuracy of the evaluation, but also realizes the quantitative grading of weld quality, providing strong support for the continuous improvement of welding quality.

The application provides a concrete mixing station scheduling strategy generation method and system combined with deep learning, and relates to the technical field of deep learning. First, concrete production task data set and mixing station equipment operation state data stream are acquired. Then, a concrete scheduling deep decision network is used to mine the implicit dependency relationship between the two, and an implicit dependency relationship strength matrix is generated. Based on the implicit dependency relationship strength matrix and a preset scheduling constraint rule library, an initial scheduling strategy set is generated. A conflict perception module is used to detect conflicts and dynamically adjust the initial scheduling strategy set, so as to obtain an optimized scheduling strategy set. Finally, equipment control instructions and material feeding timing instructions are generated according to the optimized scheduling strategy set and are executed. The application can realize automatic and intelligent scheduling of the concrete mixing station production process, improve production efficiency and quality, and reduce costs and risks.

The invention discloses a nylon lining plate machining device and method, and belongs to the technical field of nylon lining plate machining.The nylon lining plate machining device comprises nylon pouring equipment, cooling equipment, hoisting equipment and laser cutting equipment, the nylon pouring equipment comprises a nylon hot melting bin, one side of the nylon hot melting bin is communicated with a gas storage tank, and the other side of the nylon hot melting bin is connected with a feeding bin; a feeding port is formed in the bottom of the feeding bin, a moving rail is arranged at the bottom of the feeding bin, a moving plate is arranged on the moving rail, a mold is arranged on the moving plate and communicated with a vacuum pump, and a driving assembly is arranged on the other side of the mold. According to the machining device and method for the nylon lining plate, the automation degree is high, manual intervention is greatly reduced, the production efficiency is improved, bubbles in flowing nylon raw materials are eliminated through vacuum pouring and segmented cooling, deformation and cracking caused by internal stress are reduced, intelligent control is achieved, process optimization is facilitated, and the production efficiency is improved. The production risk is reduced.

The invention discloses a nano attapulgite loaded and modified copper-based catalyst and a preparation method and application thereof.The copper-based catalyst is characterized in that nano metal Cu and rare earth metal oxide are used as loading phases to be uniformly loaded on a carrier nano attapulgite ATP, the loading phases are recorded as aCubMOx / cATP catalyst, a represents the mass percent value of Cu, b represents the mass percent value of rare earth metal oxide, and c represents the mass percent value of rare earth metal oxide; b represents the mass percent value of the rare earth oxide, and c represents the mass percent value of the nano attapulgite; the mass percent of the Cu is 5-40%; the mass percent of the rare earth oxide is 0.3-9%. The catalyst can catalyze dehydrocyclization of 1, 5-pentanediol under mild conditions to prepare a delta-valerolactone product, the product yield is high, the catalyst stability is good, the preparation method is simple and convenient, the production cost is low, and industrialization is facilitated.