145results about How to "Avoid product quality" patented technology

The invention discloses a force and position monitoring and analyzing system applied to a press machine, and relates to the technical field of force and position monitoring of the press machine, the force and position monitoring and analyzing system comprises a data acquisition module which is provided with a force sensor and a displacement sensor, and force and displacement data of the press machine in the punching process are monitored and acquired in real time through the force sensor and the displacement sensor. According to the force and position monitoring and analyzing system applied to the press machine, force and displacement data are accurately collected in real time through the data collecting module, the optimal action parameters of the press machine can be calculated, and the punching action of the press machine is accurately controlled; in this way, the key parameters in the stamping process can accurately reach the preset target, the product quality problem caused by parameter deviation is effectively avoided, and the quality stability and consistency of products are greatly improved; the system can quickly adjust action parameters of the press machine according to real-time monitoring and analysis results, so that the stamping process is always kept in an optimal state, time waste caused by links such as debugging and reworking is reduced, and the production efficiency is remarkably improved.

The invention relates to the technical field of ethanol production, and discloses an ethanol production concentration online monitoring method, device and system, and the method comprises the steps: collecting historical data in an ethanol production process, and carrying out the preprocessing to form a feature data set; based on the data set, an ethanol concentration prediction model is constructed, and a deep learning algorithm is utilized to predict a future concentration change trend. And obtaining production state data and environmental condition data in real time, and inputting the data into the prediction model to obtain a predicted concentration value. Detecting the concentration value in real time by combining a sensor on the ethanol production line, comparing and analyzing the concentration values, judging whether deviation exists or not according to a preset concentration deviation threshold value, and recording a deviation point. According to the number of the deviation points, the deviation value and a preset evaluation rule, the concentration control state is evaluated, if an abnormity is found, an alarm mechanism is triggered, and an evaluation result and alarm information are sent to related personnel in time. The intelligent level of concentration monitoring in the ethanol production process is improved, and potential problems can be found and prevented in advance.

The invention relates to the technical field of copper product preparation, in particular to a continuous extrusion preparation method for a copper and copper alloy micro-channel flat tube. The method comprises the following steps: when extrusion welding preparation is carried out on a micro-channel flat pipe through extrusion welding equipment, collecting real-time welding parameters of a welding interface at a plurality of preset time nodes, and carrying out redundancy removal treatment on the collected real-time welding parameters to obtain real-time welding parameters after redundancy removal; according to the real-time welding parameters after redundancy removal, the state condition of the welding interface of the micro-channel flat pipe after a future preset time period is obtained in combination with a performance prediction model; and if the state condition of the welding interface of the micro-channel flat pipe after the future preset time period is a sudden change state condition, the welding parameters are regulated and controlled. The intelligent level of the micro-channel flat tube extrusion welding preparation process can be effectively improved, the product quality problem caused by abrupt change of welding interface performance is reduced, and the production efficiency and the product quality stability are improved.

The invention discloses a quality inspection system for a production process of an amomum tsao-ko mixture for guiding qi downward and dredging collaterals, and aims to realize comprehensive monitoring and control of the production process through multiple modules and improve the product quality and the production efficiency. The image data acquisition module is used for acquiring raw material and production process images and spectral analysis images. The timing module records and judges the production process time. The multi-source data acquisition module collects production environment data and raw material weight. The raw material proportion control module monitors a raw material proportion. And the data processing module is used for analyzing and processing images and environment data in the production process. And the user interaction module provides an interface for real-time quality detection results and user modification commands. Through comprehensive data acquisition and processing, intelligent proportion control, accurate time management and efficient environmental condition evaluation, the production quality and safety of the amomum tsao-ko mixture for guiding qi downward and dredging collaterals are remarkably improved, human errors are reduced, and the production efficiency is improved.

The utility model discloses a composite material cylindrical support forming die in the technical field of dies, which comprises a mandrel, a plurality of inserts are mounted on the mandrel, a first limit flange and a second limit flange are sleeved at two ends of the mandrel, a first fastening flange is arranged on the mandrel and positioned on the outer side of the first limit flange, and a second fastening flange is arranged on the mandrel and positioned on the outer side of the second limit flange. A second fastening flange is arranged at the position, located on the outer side of the second limiting flange, of the mandrel, and a paving area is formed among the mandrel, the insert, the first limiting flange and the second limiting flange and used for paving prepreg to finally form the cylindrical support.

The utility model discloses a plug of a power adapter, which relates to the technical field of power adapters and comprises a shell, a plug body and a plug body. The plug pin is connected to the shell, and at least part of the plug pin extends into the accommodating cavity; the circuit board is arranged in the accommodating cavity, a golden finger contact is arranged on the circuit board, and a plurality of contacts are arranged on the golden finger contact at intervals; the conductive elastic sheet is clamped and connected in the accommodating cavity, the conductive elastic sheet is provided with a first connecting end corresponding to the pin and a second connecting end corresponding to the golden finger contact, and at least two abutting elastic sheets are arranged on the second connecting end at intervals, so that one abutting elastic sheet abuts against the plurality of contacts; therefore, the contact area of the conductive elastic sheet and the golden finger contact can be increased, so that the contact impedance of the conductive elastic sheet and the PCB is effectively reduced, and the power adapter plug can meet the requirement of high-voltage thunder and lightning tests.

The invention discloses a multi-terminal communication system based on Internet of Things, which relates to the technical field of communication, and comprises a terminal access module, a data management module, a network management module, a communication protocol stack and a user management module, the data management module, the network management module and the user management module are connected with the communication protocol stack through software interfaces; the network management module is preferentially connected with a wireless network in a close range through a locally deployed base station, the network management module issues a data instruction to the first terminal, the second terminal and the third terminal through the wireless network, and the user management module authorizes the terminal access module to passively access terminal equipment information through an identity authentication mechanism. A special data source is limited through the data management module, data layering isolation circulation is achieved, the problem that data are prone to pollution and interference is solved, and product quality can be more accurately controlled.

The invention provides a method for synthesizing carboxymethyl cellulose by a slurry method based on a novel etherifying agent and an application, the method comprises the following steps: adding crushed cellulose into a reaction container filled with an organic solvent, stirring, continuously introducing nitrogen into the reaction container, and when the temperature of the reaction container reaches 25-35 DEG C, stirring for 2-3 hours; slowly dropwise adding a sodium hydroxide aqueous solution into the reaction container, keeping the temperature for a period of time, rapidly raising the temperature of the reaction container to 55 DEG C, slowly adding a novel etherifying agent into the reaction container, controlling the temperature of the reaction container to be kept at 55-75 DEG C, placing the reaction container at 65 DEG C after dropwise adding, and keeping the temperature for a period of time; wherein the novel etherifying agent is low-carbon alcohol chloroacetate or chloroacetamide, an acidic material is added into a reaction container to adjust the pH value of a reaction system to 6.5-7.5, washing liquid is used for multiple times to obtain carboxymethyl cellulose, and the novel etherifying agent is adopted to solve the problems of a traditional etherifying agent. And the high-quality and high-substitution-degree carboxymethyl cellulose is prepared.

The invention discloses conveyor equipment convenient to clean, and belongs to the technical field of conveyors, the conveyor equipment convenient to clean comprises a conveyor body, an ash scraping mechanism is mounted on the upper surface of the conveyor body, a spraying mechanism is arranged at the bottom of the conveyor body, and a cleaning mechanism is mounted on the inner side of the spraying mechanism; a drying mechanism is installed at the position, located on one side of the cleaning mechanism, of the bottom of the conveyor body, a supporting seat is installed on one side of the conveyor body, an auxiliary belt is rotationally connected to the upper surface of the supporting seat, and two first electric air cylinders are rotationally connected to one side of the supporting seat; a piston rod of the first electric air cylinder is rotationally connected with one side of the bottom of the auxiliary belt. On the basis that materials are conveyed, the conveying belt can be cleaned, and the conveying belt can be dried.

The utility model relates to the field of machining production lines, and provides automatic bridge end face polishing equipment which comprises a conveying roller way, a polishing module and a locking module. The grinding module comprises a grinding machine support, a transverse rail and a double-face grinding machine, the transverse rail is fixedly arranged on the upper portion of the grinding machine support, and the double-face grinding machine is arranged on the transverse rail in a sliding mode. A first polishing wheel and a second polishing wheel are arranged on the front side face and the rear side face of the double-face polishing machine correspondingly to polish the end faces of the bridges on the two sides. And the locking module comprises a telescopic rod for preventing the bridge frame from advancing and a pressing device for pressing the bridge frame. The double-face polishing device has the advantages that the double-face polishing device is adopted for accurate and efficient operation, the end faces of the two sides after cutting are polished at the same time in the production process of the bridge frame, accurate control over the polishing operation speed is achieved through a control system, the efficiency and adaptability of a production line are remarkably improved, and the production cost is reduced. And various complex production requirements can be met.

The invention provides an OSB (oriented strand board) base material fine surface and inner surface veneer composite production process which uses poplar, pine and small-diameter wood as raw materials and comprises the following steps: S1, peeling; s2, large wood shaving; s3, chipping is conducted; s4, small wood shaving; s5, drying; s6, screening is carried out; s7, primary sizing; s8, paving for the first time; s9, primary hot pressing; s10, cooling for the first time; s11, carrying out primary post-treatment; s12, carrying out primary maintenance; s13, primary sanding is conducted; s14, primary grading; s15, secondary upper and lower surface fine material sizing; s16, gluing the OSB base material, and carrying out secondary combined pavement; s17, carrying out secondary hot pressing; s18, cooling for the second time; and S19, secondary post-treatment is carried out. S20, carrying out secondary curing; s21, secondary sanding is carried out; and S22, carrying out secondary grading. According to the OSB base material fine surface and inner facing composite production process, the basic requirement for processing an OSB composite board can be met, the whole surface of the board can be rapidly and fully cooled, and therefore the cooling efficiency of the board is improved, and the overall processing efficiency is improved.

The invention discloses automatic heat treatment equipment for a glass substrate, and relates to the technical field of glass processing equipment.The automatic heat treatment equipment comprises a hot bending die, the hot bending die comprises a fixed die and a movable die which can be opened and closed, the fixed die comprises a die holder, and a die cavity with an arc-shaped vertical section is formed in the die holder; the air cavity is formed in the die holder, a plurality of air blowing holes communicated with the air cavity are distributed in the bottom surface of the die cavity, and a valve groove is formed in the middle of each air blowing hole in a cut-off mode; the valve plate is arranged in the valve groove and can slide along the inner wall of the valve groove in an airtight mode, and communicating holes corresponding to the blowing holes in a one-to-one mode are formed in the valve plate. Compared with an ejector rod mode, formed glass is more softly and progressively jacked, air pressure thrust is evenly distributed at the bottom of the formed glass, the formed glass is gradually separated from a mold cavity, the product quality problem caused by mold taking is reduced, and the product percent of pass is increased.

The utility model discloses a shoemaking hot-pressing die, and relates to the technical field of shoemaking hot-pressing dies. The EVA pouring mold comprises the lower mold, the upper mold and the functional mechanism, the functional mechanism comprises the upper middle mold and the lower middle mold, the upper middle mold and the lower middle mold are arranged, the upper middle mold and the lower middle mold are made of bakelite heat insulation plate materials, the bakelite heat insulation plate materials have good heat insulation performance, and when EVA pouring materials are heated, the EVA pouring materials are not prone to falling off. According to the technical scheme, part of heat can be effectively prevented from being conducted to the lower die, a cold blank is protected from being affected by overheating, and therefore it is guaranteed that the cold blank and EVA pouring materials are synchronously foamed at the proper temperature, the situations of color crossing, scorching and the like of finished products caused by flowing generated by excessive melting of the lower die cold blank are avoided, the rejection rate and the production cost are reduced, and the production efficiency is improved. And the positioning columns and the positioning blocks are arranged, so that alignment and positioning of the molds are ensured, the product quality problem caused by mold dislocation in the machining process is avoided, and the rejection rate caused by mold dislocation is reduced.

A chemical fiber textile machine with an adjusting function comprises a bottom plate, four height adjusting devices are mounted on the bottom plate, each height adjusting device comprises a fixing column, the bottom end of each fixing column is fixedly connected with the upper side of the bottom plate, each fixing column is provided with a mounting groove with an upward opening, and a threaded rod is arranged in each mounting groove. The bottom end of the threaded rod is rotationally connected with the bottom of the fixing column, a driven bevel gear is fixedly connected to the bottom of the threaded rod, a driving bevel gear is meshed with one side of the driven bevel gear, a rotating shaft is fixedly connected to the driving bevel gear, and one end of the rotating shaft penetrates through the fixing column. The device has the beneficial effects that a motor drives a rotating shaft to rotate, the rotating shaft drives a threaded rod to rotate, the threaded rod drives a driving bevel gear to rotate, the driving bevel gear drives a driven bevel gear to rotate, the driven bevel gear drives the threaded rod to rotate, and an adjusting column matched with the threaded rod moves downwards; and when the whole device is carried or not used, more space is saved.

The utility model relates to the technical field of injection molding nozzle excess material cleaning, and discloses an injection molding machine injection molding nozzle cleaning device which comprises a workbench and an injection molding nozzle, a limiting assembly is arranged on one side of the top of the workbench, and an injection molding assembly is arranged on the top of the limiting assembly. A cleaning box is fixedly mounted on the top of the workbench and located on one side of the injection molding assembly and the limiting assembly, cleaning assemblies are arranged in the cleaning box and the workbench, and a plastic mold assembly is arranged on the top of the workbench and located on the side, away from the injection molding assembly, of the cleaning box. A collecting assembly is arranged in the workbench and located below the plastic mold assembly. And by arranging the cleaning assembly, the exterior of one end of the injection molding nozzle can be conveniently cleaned, the problem that excess materials block the injection molding opening to affect discharging is solved, meanwhile, the problem that the product quality is poor due to the fact that new feed liquid is mixed with old feed liquid for injection molding is solved, and the practicability of the equipment is improved.

The invention relates to the technical field of die-cutting machines, in particular to a die-cutting mechanism of a die-cutting machine for carton processing, which comprises a workbench, the top end of a fixed spring is fixedly connected to the bottom end of a sliding block, the top of the sliding block is fixedly connected with a sliding column, and the sliding column is located in a sliding groove and penetrates through the sliding groove. According to the die cutting mechanism of the die cutting machine for paper box machining, when cutting is carried out, a connecting plate is pressed downwards by holding a fixing handle, a servo motor can adjust the angle of a cutting knife through a connecting roller, and therefore the cutting accuracy is ensured, when the connecting plate is pressed downwards, sliding columns on the two sides of the connecting plate slide downwards in sliding grooves at the same time, and the cutting efficiency is improved. The paper box cutting device is convenient to adjust the angle, when the fixed handle is loosened, the device rebounds through the acting force of the fixed spring and restores, the cutting angle can be reasonably adjusted, and it is guaranteed that the size and shape of the cut paper box are accurate.

The invention discloses a manufacturing process of a fluorescent rubber cake, and belongs to the technical field of fluorescent composite materials, the chemical structure of the fluorescent rubber cake is as shown in the formula (I): Al (Bm, Cn): Do (I), in the formula (I), A is one of Na, Mg and K, B is Si and Ce, C is F, and D is Mn < 4 + > and 1lt; llt; 3, 1lt; mlt; mlt; 3, 4lt; nlt; 8, 0.01 lt; olt; 0.1 part; according to the material, the luminous efficiency and the stability of the material are improved through specific element combination and doping technologies, and the manufacturing process comprises a chemical reaction under specific temperature and conditions, so that the high purity and the uniformity of the material are ensured; the fluorescent rubber cake can be widely applied to displays, illumination and photoelectric devices, provides higher brightness and longer service life, and can meet the requirements of different application scenes by optimizing the chemical structure of the material.

This utility model provides a casting fixture for producing brake housings, relating to the field of casting technology. It includes a top plate, with support columns fixedly connected to the bottom and near the four corners of the top plate. A liquid storage tank is fixedly connected through and to the center of the top plate. An upper mold plate is fixedly connected to the bottom of the liquid storage tank. A solenoid valve is fixedly installed at the connection between the liquid storage tank and the upper mold plate. A connecting plate is fixedly connected between the two support columns near the bottom. A hydraulic cylinder is fixedly connected to the top of the connecting plate near the center. A lower mold plate is embedded in the bottom of the upper mold plate. Fixed plates are symmetrically fixedly connected to the surface of the lower mold plate. In this utility model, the casting fixture is equipped with an elastic buffer structure composed of vertical rods, limiting rods, a circular disc, and springs. Combined with power components such as hydraulic cylinders, it can quickly and smoothly push the brake housing out of the mold, significantly shortening the demolding time and improving production efficiency.

The application relates to the technical field of plastic intelligent manufacturing, and discloses a machine vision driven plastic master batch feeding and cleaning parameter intelligent regulation and control system. The system comprises the following: an image acquisition and feature extraction module which, based on the equipment running state, identifies and extracts elements such as feeding speed and cleaning flow, maps to a preset parameter field and establishes an associated identifier, and forms a standardized feeding and cleaning data unit. A parameter matching and regulation rule generation module searches a database to match regulation rule conditions, calculates a parameter regulation complexity factor, compares parameters with constraint values, and generates a single parameter matching state judgment. A multi-working-condition correlation modeling module finds different working-condition shared entities, calculates a cross-working-condition correlation closeness index, and constructs a multi-working-condition correlation graph. An abnormal state identification and parameter correction module combines the associated working-condition judgment to calculate a risk score and generates a comprehensive regulation risk prompt. The system realizes intelligent regulation and control and abnormal identification of plastic master batch feeding and cleaning parameters.

The utility model discloses a rapid round steel butt joint device which is mainly composed of a shell, clamping mechanisms symmetrically arranged at the two ends of the shell and a driving mechanism located in the shell. The clamping mechanism is connected with the shell in a sliding mode through a connecting sliding block and comprises a base fixed to the connecting sliding block, a lower arc-shaped base and an upper arc-shaped base on the base are connected in a hinged and threaded mode, and a clamping screw and an arc-shaped pressing block are arranged to stably clamp round steel. The driving mechanism comprises a driving rack fixed to the connecting sliding block, a driving gear meshed with the driving rack and connected with the driving rack through a rotating shaft, and a rotating disc. According to the device, through the ingenious structural design, on the aspect of butt joint precision, position deviation can be effectively reduced, the butt joint coaxiality of round steel is improved, and the high-end manufacturing requirement is met; in terms of working efficiency, the position of round steel can be rapidly adjusted, and working time is shortened; and in the aspect of safety, the round steel is prevented from sliding off, the device adapts to complex operation environments, and the remarkable application value in industrial production is achieved.

The invention relates to a production process of borscht bags. Comprising the following steps: step 1, mixing yeast, iodine salt, white granulated sugar, potassium sorbate, water, egg pulp and a fermentation promoting agent, and stirring until the white granulated sugar is melted to obtain a mixture A; step 2, adding bread wheat flour into the mixture A, and continuously stirring at a second rotating speed to obtain a mixture B; step 3, adding butter into the mixture B, stirring at a first rotating speed, and then stirring at a second rotating speed to obtain a mixture C; step 4, adding vegetable oil into the mixture C, and stirring at a second rotating speed to obtain dough; and step 5, cutting, shaping, rolling, standing and baking the dough to obtain the borscht. The borscht which is good in flexibility, uniform in size and good in taste is formed by mixing the raw materials according to the specific combination, dosage and rotating speed. The process can be used for large-scale continuous industrial production, and compared with small-scale production, the production efficiency is improved, and meanwhile better comprehensive quality is obtained.

The utility model relates to a batch rectification device for recovering centrifugal mother liquor, which structurally comprises a batch rectification reaction kettle, a rectification tower, a condenser, an intermediate tank, a heavy phase product tank and a light phase product tank, a fourth switch valve is arranged on a pipeline between the top outlet of the rectifying tower and the inlet of the condenser, a bypass pipeline is connected between a pipeline between the fourth switch valve and the inlet of the condenser and a pipeline between the second switch valve and the outlet of the rectifying reaction kettle, and a third switch valve is arranged on the bypass pipeline; and a sixth switch valve is arranged on a branch pipeline between the outlet of the condenser and the inlet of the intermediate tank. The batch rectification device has the advantages that the control valve is additionally arranged in the batch rectification device, and each stage of batch rectification / distillation is controlled through the operation state of the valve; and an intermediate tank is additionally arranged at the top of the tower, and a system containing a free water phase or other two liquid phases is extracted through a decanted phase, so that the high-quality requirement of a product is met.

The present application provides a printing method, device, storage medium and handheld printer. The method is applied to a handheld printer, including: obtaining a continuous printing instruction for controlling the handheld printer to print multiple times continuously; determining the interval delay between two prints according to the continuous printing instruction; starting the first print in the continuous printing, and starting the next print after determining that the first print is completed and the interval delay is exceeded. By designing a continuous printing method, after receiving the continuous printing instruction, the interval delay between two prints is determined, and the interval delay is used as a buffer between the two prints, thereby realizing the application of the continuous printing method to the handheld printer. This can reduce the user's workload, improve work efficiency, and avoid product quality problems caused by user fatigue as much as possible. In addition, it can effectively extend the service life of consumable parts in the handheld printer.

The utility model discloses a coating machine with a cooling structure, which comprises a coating machine frame, a transmission motor arranged on the coating machine frame, a driving shaft movably arranged at one end of the coating machine frame and connected with the transmission motor, a driven shaft movably arranged on the coating machine frame, and a conveyor belt sleeved on the driving shaft and the driven shaft, a scraper assembly and an air cooling assembly are mounted on the coating machine rack; a heat dissipation block is further installed on the coating machine rack, the heat dissipation block and the air cooling assembly are both located between the transmission motor and the scraper assembly, and the heat dissipation block and the air cooling assembly are both used for cooling coating which does not pass through the scraper assembly. According to the utility model, the temperature rising speed of the coating can be reduced, so that the solidification speed of the coating is further reduced, and the coating quality and the product quality are ensured.

The utility model discloses a multi-station adjusting system of a shutter wheel machine, and belongs to the technical field of shutter wheel machining. The system comprises a rack, a large machining disc is rotationally arranged on the rack, and a feeding machine head, a forming machine head and a gluing machine head are arranged along the periphery of the large disc. The feeding machine head is provided with a feeding frame, the forming machine head is provided with a forming head, and the gluing machine head is provided with a gluing head. Meanwhile, the rack is provided with a first adjusting mechanism to drive the feeding frame to move in the X direction and the Y direction of the large machining disc, a second adjusting mechanism and a third adjusting mechanism respectively drive the forming head and the gluing head to be adjusted in the Y direction, and a fourth adjusting mechanism achieves lifting adjustment of the feeding frame. All the adjusting mechanisms are connected with a PLC, the controller automatically and accurately regulates and controls the positions of all the machine heads according to product specifications, and multi-station collaborative operation is achieved. The system effectively improves the flexibility and accuracy of flap wheel machining, meets the machining requirements of products of different specifications, reduces manual adjustment errors, improves the production efficiency and the product quality, and has good application prospects.

The utility model discloses a jacking structure for vacuum cavity, including the sealed guide structure of sealed connection on the outer wall of vacuum cavity, the jacking rod of being equipped with with sealed cooperation and the relative sliding of inside being worn of sealed guide structure, and the jacking rod one end is connected with the thimble, and the thimble top end is located in the vacuum cavity and both movable cooperation, and a plurality of thimbles are equipped in the vacuum cavity, and the jacking rod other end is connected with the jacking drive assembly. The jacking structure for vacuum cavity provided by the utility model can stably lift the wafer in the vacuum cavity, and meanwhile ensures not to influence the internal air pressure of the vacuum cavity.

The application relates to a hinge structure and a door assembly. The hinge structure comprises a fixed hinge side, a movable hinge side, a connecting shaft and a dustproof shaft sleeve. The fixed hinge side comprises a first plane part, a first shaft sleeve part and a second shaft sleeve part. The first plane part comprises a first surface and a second surface. The movable hinge side comprises a second plane part and a third shaft sleeve part. The second plane part comprises a third surface and a fourth surface. The connecting shaft passes through the first shaft sleeve part, the second shaft sleeve part and the third shaft sleeve part in sequence. In a closed state, the included angle between the first plane part and the second plane part is 180 DEG. The first plane part and the second plane part are arranged on the two sides of the connecting shaft. A stepped surface is formed between the first plane part, the first shaft sleeve part and the second plane part. In an open and closed state, the included angle between the second plane part and the first plane part is less than 180 DEG. The movable hinge side approaches the first surface and rotates.

The device for automatically tightening and loosening the sand box provided by the present invention comprises a sand box tightening actuator installed on the box tightening station and the box unwinding station, the sand box tightening actuator comprises a box tightening magnetic cylinder and a lifting magnetic cylinder, a lifting fixed plate is installed on the lifting magnetic cylinder push rod, an electric torque wrench and a pneumatic torque wrench are respectively installed on the lifting fixed plates of the box tightening station and the box unwinding station, when the circulation trolley carrying the sand box flows to the box tightening station, the PLC control system controls the box tightening magnetic cylinder, the lifting magnetic cylinder and the electric torque wrench to tighten the sand box and then release it to continue to circulate; when the circulation trolley carrying the cast sand box flows to the box unwinding station, the PLC control system controls the box tightening magnetic cylinder, the lifting magnetic cylinder and the pneumatic torque wrench to unwind the box and then release it to continue to circulate. A method for tightening and loosening the sand box is also provided, and the method and device for automatically tightening and loosening the casting sand box can effectively improve production efficiency and reduce labor costs.

The utility model provides a kind of glass glue processing condensing device, including base, raw material conveying module is installed on the base, multistage condensing module, temperature control module, cooling medium circulation module and discharge collection module, raw material conveying module, multistage condensing module, temperature control module, cooling medium circulation module and discharge collection module are interconnected by pipeline to condense glass glue material between them.The utility model can realize the accurate monitoring and control of glass glue raw material temperature, effectively avoid the product quality problem caused by temperature anomaly, ensure that glass glue finished product quality is stable and reliable.

The invention is suitable for the technical field of vehicles, and provides an automobile seat parameter determination method and device, electronic equipment and a storage medium, and the method comprises the following steps: under a preset driving working condition, obtaining a vibration acceleration and a comfort level score of a seat headrest, and determining a vibration acceleration threshold according to the vibration acceleration and the comfort level score; acquiring a relation curve between the vibration acceleration of the seat headrest and the inherent frequency of the seat; according to the relation curve and the vibration acceleration threshold value, the seat inherent frequency range enabling the vibration acceleration of the seat headrest to be smaller than the vibration acceleration threshold value is determined. According to the method, the shaking of the headrest can be accurately evaluated and predicted in the design stage of the automobile seat, the design modification of the automobile seat is guided, the shaking is reduced, and the comfort is improved.