248results about How to "Ensure quality stability" patented technology

The invention relates to the technical field of image processing, and discloses a graphite composite insulation board production process control method and system and a storage medium. The control method comprises the following steps: carrying out characteristic analysis and proportion optimization on raw materials to obtain pretreated raw materials; and monitoring the reaction state of the pretreated raw material, regulating process parameters, and generating a modified raw material. And performing formula optimization and performance prediction based on the material parameters of the modified raw material to obtain an optimized formula material. And forming process parameters of the optimized formula material are analyzed, a forming process is regulated and controlled, and a forming material is generated. And the curing process is optimized through the state parameters of the forming material, and a cured product is formed. And finally, evaluating the quality according to the detection data of the cured product, and generating a production control scheme. By establishing a multi-dimensional data acquisition and processing system, intelligent control over the whole production process is achieved, and therefore the stability and consistency of product quality are improved.

The invention relates to the technical field of sealing element production, in particular to a multi-layer composite sealing element forming device and process, the device comprises a fixed mold platform and a movable mold platform, the fixed mold platform is provided with a lower mold, the movable mold platform is provided with a movable plate, the movable plate is provided with an upper mold, the fixed mold platform is provided with a suction cup assembly, and the suction cup assembly is provided with a movable block; a frame is arranged at the lower end of one side of the movable block, a plurality of electric suction cups are arranged on the frame, the peripheral walls of the upper ends of the electric suction cups are slidably connected with the frame, a first air cylinder is installed on the top face of the movable block through an installation base, and the bottom face of a piston rod of the first air cylinder penetrates through the movable block and is fixedly connected with the top face of the middle of the frame; the peripheral walls of the upper ends of the guide rods are slidably connected with the moving blocks correspondingly. According to the demolding mechanism, the deformation or damage of the sealing element caused by non-uniform ejection of the ejection mechanism is avoided, the demolding efficiency is improved, the yield and the quality stability of the multi-layer composite sealing element are ensured, and the demolding requirements of the sealing elements with different specifications and requirements are met.

The invention discloses an emulsion paint production temperature control management system and method, and relates to the technical field of automatic temperature control. According to the emulsion paint production temperature control management system and method, by arranging the emulsion paint temperature monitoring module, the temperature abnormity module and the temperature adjusting module, accurate temperature control in the emulsion paint production process is achieved. The temperature change of the latex paint in different production stages is monitored in real time through a temperature sensor, a temperature fluctuation curve is generated through time sequence analysis, periodic fluctuation and amplitude characteristics of temperature are recognized based on a spectrum similarity analysis technology, a temperature fluctuation intensity index is calculated, and whether temperature abnormity exists or not is judged by comparing the temperature fluctuation intensity index with a preset threshold value; when the temperature abnormity is identified, the temperature adjusting module dynamically adjusts the power output of the temperature control equipment through a PID control algorithm, and precise temperature control is achieved. The temperature control precision and the stability in the production process are obviously improved, and the quality consistency and the production efficiency of the latex paint are ensured.

The invention discloses novel cement pipe pouring forming equipment, and relates to the technical field of pouring equipment, the novel cement pipe pouring forming equipment comprises a supporting seat and a reinforcement cage body, a pouring inner mold and a pouring outer mold are arranged at the top of the supporting seat, the reinforcement cage body is placed between the pouring inner mold and the pouring outer mold, and a control assembly is arranged on the supporting seat. According to the novel pouring forming equipment for the cement pipe, periodic knocking treatment is conducted on the inner wall of the pouring inner mold through the knocking rods, high-frequency vibration is generated, the vibration effect in concrete is remarkably improved through the vibration, and therefore the concrete is fully compacted, bubbles in the concrete are effectively eliminated, and the concrete quality is improved. The reinforcement cage has important significance for improving the strength and durability of the cement pipe, the central position of the reinforcement cage body between the pouring inner mold and the pouring outer mold is ensured through an accurate adjusting and positioning mechanism, the reinforcement cage is prevented from moving in the pouring process, and the construction efficiency is improved. And the problem of non-uniform stress distribution caused by the fact that the position of the reinforcement cage deviates from the center is also avoided.

The invention discloses a sampling inspection device and a use method thereof, and belongs to the technical field of material detection, the sampling inspection device comprises a rack, a tabletting mold, a mold shifting device, a sampling device, a tabletting device, a detection device and an electric control device; the sampling device is connected with an unloading conveying pipe of the powder tank truck; the tabletting device is used for tabletting the powder sample in the tabletting mold; the mold shifting device is arranged on the rack to drive the tabletting mold to move among the positions of the sampling device, the tabletting device and the detection device; the detection device is used for detecting a tabletting sample in the tabletting mold; the electric control device is electrically connected with the sampling device, the tabletting device, the mold shifting device and the detection device; and the cooperative work of each working procedure is realized.

The utility model provides a labor protection glove cloth conveying frame which comprises a body, a first conveying assembly and a second conveying assembly, the first conveying assembly and the second conveying assembly are both arranged on the body and used for conveying canvas and lining cloth respectively, and the second conveying assembly comprises a second fixed rail assembly, a correction frame and an edge detection switch. The second orbit determination assembly is installed on the correction frame, and the correction frame is installed on the body through a swing mechanism. The edge detecting switch is electrically connected with a control motor of the swinging mechanism and is used for correcting one edge of the lining cloth to be aligned with a preset position of the canvas; according to the characteristics of canvas and lining cloth, the first conveying assembly and the second conveying assembly are designed respectively, according to the characteristics of the labor protection glove cloth, the edge of the lining cloth in the output glove cloth can be always aligned with the preset position of the canvas by designing the correction frame and the edge detection switch, and the labor cost is saved while the working efficiency is improved. And the quality stability of the output glove cloth is ensured.

The invention relates to the technical field of flat wire stator head twisting equipment control, and discloses a process calculation method and system of flat wire stator head twisting equipment and the head twisting equipment, and the method comprises the steps: obtaining a plurality of setting parameters of a head twisting process input by a user; calculating according to the plurality of setting parameters to obtain an operation result; inputting an operation result into a point set formula of each layer of the torsion head module to obtain a data set, wherein the point set formula comprises a parameter equation and a compensation equation of spatial displacement; and writing the data set into a control file of a preset path, and performing a head turning process on the flat copper wire after the flaring process based on the control file. According to the invention, the motion trail of the equipment is approximate to the motion trail of the copper wire bending point, the copper wire is prevented from being scratched due to large relative displacement between the head twisting die and the copper wire bending point, the process trail of the product equipment and the model changing calculation can be quickly carried out, the device can adapt to the production of flat wire products with different specifications, the production efficiency is improved, and the production cost is reduced. The processing time is reduced.

The invention discloses a fastener production-oriented global management and control method and platform, and relates to the related field of industrial manufacturing, and the method comprises the steps: building a quality demand; constructing a fastener test scheme library, and configuring a target test scheme library; dividing the test schemes into a first type of test scheme set and a second type of test scheme set; performing nondestructive testing on the target fastener product to obtain a first type of detection data set, and performing analysis to obtain multiple nondestructive testing results; setting a sampling inspection proportion, and classifying and extracting the target fastener products to obtain a plurality of sampling inspection fastener sets; carrying out lossy detection on the plurality of casual inspection fastener sets; and generating a fastener production global analysis result based on the plurality of nondestructive detection results and the plurality of lossy detection results, and carrying out production management and control. The technical problems of high detection cost and low production efficiency existing in the conventional fastener production management and control are solved, and the technical effects of reducing the detection cost and improving the production efficiency on the premise of ensuring the product quality stability are achieved.

The invention belongs to the technical field of mechanical automatic machining, and discloses a valve sealing ring belt grinding flexible device and method.The device comprises a grinding mechanism assembly, a clip spindle, a remodeling clamping jaw, a cleaning machine, a remodeling charging tray and an industrial personal computer, and the clip spindle, the remodeling clamping jaw, the cleaning machine and the remodeling charging tray are arranged on the same table top; the industrial personal computer is connected with and controls the cartridge holder main shaft to rotate, the cartridge holder main shaft is provided with an interface for installing a grinding rod, the grinding mechanism assembly is arranged right above the cartridge holder main shaft, the grinding mechanism assembly is provided with a clamping jaw for clamping a part shell, and the working end of the clamping jaw is provided with an elastic piece; when the grinding rod drives the shell core body to rotate, the part shell slightly swings in the elastic piece of the clamping jaw, and self-adaptive alignment grinding is achieved. The non-standard grinding device is designed and manufactured, automatic grinding and parameterization and digital control of the grinding process are adopted for product grinding, workers only need to replace the product, smear grinding paste and clean, key machining of parts adopts machine automatic grinding and labeling operation, the influence of the skill level of the workers on the product percent of pass is reduced, and the production efficiency is improved. And the quality stability is ensured while the labor intensity of workers is reduced.

The invention relates to the technical field of warp knitting machines, in particular to a warp knitting machine guide bar transverse moving mechanism which comprises a mounting frame mounted on a warp knitting machine, a transverse moving supporting plate and a plurality of guide bar bases used for mounting guide bars are arranged on the mounting frame, a rotating shaft is horizontally mounted on the transverse moving supporting plate, and when the warp knitting machine guide bar transverse moving mechanism is used, the rotating shaft is horizontally mounted on the guide bar bases. The transverse moving mechanism is mounted on the warp knitting machine through the mounting frame, the driving motor in the first driving assembly is started, the output end of the driving motor drives the first synchronous wheel to rotate, then the second synchronous wheel and the rotating shaft are driven by the synchronous belt to synchronously rotate, and the rotating shaft 4 rotates to drive the guide roller and the driving wheel to synchronously and continuously rotate at a constant speed; the guide roller rotates to drive the transmission shaft to slide on the transverse moving supporting plate in a reciprocating mode through the guide groove and the wobble wheel on the guide roller, then the sliding square shaft and the guide bar base on the sliding square shaft are driven to slide synchronously in a reciprocating mode, the distance and the speed of transverse movement of all the guide bars each time can be kept consistent, and then the quality stability of fabric is guaranteed.

The invention discloses a tree digging device integrating crown bundling and root soil ball packaging functions. The tree digging device comprises an excavator equipment adapter, a trunk clamping and crown folding mechanism, a rotating ring table mechanism, a bandage wire spool mounting mechanism and a root soil ball shoveling mechanism, the trunk clamping and crown folding mechanism and the rotating ring table mechanism are arranged on the excavator equipment adapter, and the bandage wire spool mounting mechanism and the tree root soil ball shoveling mechanism are arranged on the rotating ring table mechanism. The tree digging device integrating the crown bundling and tree root soil ball packaging functions has the tree root soil ball digging, crown bundling and tree root soil ball packaging functions at the same time, can replace manual work to achieve crown bundling and tree root soil ball packaging work, reduces the labor intensity, improves the working efficiency, and is suitable for large-scale popularization and application. Quality stability of tree crown bundling and tree root soil ball packaging is guaranteed, the device can be used in combination with various excavator devices, cost of the whole device is reduced, using flexibility of the device is improved, and meanwhile the device has better universality and applicability.

The invention relates to the technical field of lightning arrester manufacturing, in particular to a method for recycling micro powder for MOA piezoresistor ceramics. The method comprises the following steps: S1) testing the residual amounts of a dispersing agent and a binding agent in the micro powder for the MOA piezoresistor ceramic, and respectively recording the residual amounts as x and y; s2) mixing the micro powder with water, a binding agent and a dispersing agent to obtain slurry; the mass ratio of the micro powder to the water to the binding agent to the dispersing agent is 4000: 2000: (600-y): (20-x); and S3) granulating the slurry until the slurry contains water, and molding to obtain the resistor disc. The method provided by the invention not only reduces the loss of the micro powder, but also improves the utilization rate of the raw materials.

The utility model provides an adjustable cable extruder, which relates to the technical field of cable extruders, and comprises a mounting rack, the surface of the mounting rack is fixedly connected with an extruder main body, the surface of the extruder main body is fixedly connected with an extrusion head, and the surface of the extruder main body is slidably connected with a feeding hopper. An adjusting device is arranged on the surface of the extruder main body, the adjusting device comprises four telescopic rods, the four telescopic rods are fixedly connected with the surface of the extruder main body, the ends, away from the extruder main body, of the four telescopic rods are fixedly connected with mounting plates, and the surfaces of the mounting plates are fixedly connected with four arc plates. According to the cable extrusion device, by arranging the adjusting device, a worker can adjust the extrusion efficiency of a cable, the quality stability of cable extrusion can be ensured according to the discharging speed of raw materials, and the feeding hopper is matched with the raw materials of different sizes for feeding.

The invention relates to the field of medicines, and provides a tevirimat composition as well as a preparation method and application thereof. The composition contains tevirimat serving as an active component, cyclodextrin serving as an inclusion agent, meglumine serving as a solubilizer and an alkaline additive in a weight ratio of 1: (15-30): (0.05-0.2): (0.1-0.2). Wherein the solubility of the active ingredient tevirimat can be greatly improved through the matching and combined use of the three auxiliary materials including the inclusion agent, the solubilizer and the alkaline additive. Compared with the prior art, the dosage of each auxiliary material in the composition can meet the specified limit in related laws and regulations, the allergy risk, the hemolysis risk and the stimulation risk are low, and the preparation safety is better. The composition provided by the invention is simple and feasible in preparation method, more stable in preparation finished product quality and more convenient to apply. The composition can be used for treating or preventing virus infection and related diseases caused by orthopoxvirus.

The invention relates to the technical field of key equipment spinning machines in the fiber manufacturing process, and discloses large-capacity wet-process horizontal spinning machine equipment which comprises a plurality of multi-spindle-position spinning machines arranged in the side direction, and each multi-spindle-position spinning machine is provided with a plurality of spinning spindle positions; a plurality of independent baths are arranged in the multi-spindle-position spinning machine, a spinning nozzle is arranged at one end of each independent bath, stock solution sprayed by the spinning nozzles is formed into fiber tows in the independent baths, and a horizontal steering guide roller and an independent steering guide wheel are arranged at the end, away from the spinning nozzles, of the multi-spindle-position spinning machine. A plurality of spinning machines are designed side by side, each spinning machine is provided with a plurality of spinning spindle positions, the productivity of single equipment is remarkably improved, and the operation difficulty and the equipment maintenance requirement are reduced through fine yarn guiding and shaping processes, so that the production efficiency is improved; the equipment is compactly arranged, occupies a small plant area, is convenient for tour inspection, and is more convenient to operate and maintain.

The screening device comprises a box body, a plurality of screening plates are movably arranged in the box body, a vibration motor is fixedly arranged in the center of the bottom of each screening plate, a barrel body with an opening in the upper end is fixedly arranged at the upper end of the box body, and a centrifugal dewatering barrel is rotationally arranged on the bottom face in the barrel body. A motor for driving the centrifugal dewatering barrel to rotate is fixedly arranged at the upper end of the barrel body, an outlet in the bottom of the centrifugal dewatering barrel extends into the box body, a feeding opening is formed in the upper end of the centrifugal dewatering barrel, and a water drainage opening is formed in the bottom of the side face of the barrel body. The color master batch can be immediately dehydrated and dried after extrusion, so that the preparation time before screening is greatly shortened, and the screening efficiency is improved; through centrifugal dewatering and hot air drying treatment, moisture in the color master batch is effectively removed, the hardening problem caused by excessive moisture is avoided, the quality stability and consistency of the color master batch are guaranteed, and then the quality of a final plastic product is improved.

The invention relates to the technical field of pesticide preparations, and discloses a pesticide preparation containing Se-CDs, benzylaminopurine and triacontanol, the pesticide preparation is a nanometer suspending agent prepared from benzylaminopurine raw medicine, triacontanol raw medicine, a Se-CDs nanometer material and an auxiliary agent, and the particle size D90 of solid particles in the nanometer suspending agent is smaller than or equal to 800 nm; the auxiliary agent comprises a wetting dispersant, a thickening agent, a rheological agent, an anti-freezing agent, a preservative, a defoaming agent and deionized water, and the wetting dispersant is composed of an anionic-nonionic wetting dispersant SP-SC3219 and a weak cationic wetting dispersant SP-SC3275. According to the invention, the problems of large grinding particle size and long grinding time of a pesticide composition containing benzylaminopurine in the preparation and grinding process of a suspending agent and the problem of unstable fusion of Se-CDs with nano particle size and a suspending agent with micron particle size are solved, and the particle size stability and appearance stability of the preparation are improved.

The invention discloses a process for preparing iron phosphate from pure iron, and relates to the technical field of chemical production. The method comprises the following specific steps: firstly, dissolving pure iron blocks in a phosphoric acid solution, and carrying out solid-liquid separation to obtain ferrous phosphate mother liquor; a proper amount of surfactant is added into the ferrous phosphate mother liquor, so that the dispersity and uniformity of particles in subsequent reaction are improved. Mixing the ferrous phosphate mother liquor with hydrogen peroxide, and adjusting with ammonia water to carry out oxidation reaction to obtain an iron phosphate crude product; and washing the crude product with hot water, mixing with water and phosphoric acid, and aging. And after aging, carrying out solid-liquid separation, washing with hot water, and drying to obtain high-purity iron phosphate. The method has the advantages of simple process, mild reaction conditions and stable product quality, and is suitable for industrial production.

The invention discloses a preparation method of a metal net, which comprises the following steps of: putting a metal coarse net with an anti-corrosion layer into a corrosion tank to corrode a metal part of the metal coarse net, which is positioned outside the anti-corrosion layer, so that the width of a metal coarse line of the metal coarse net is effectively reduced, and the opening area of a single grid opening of the metal coarse net is increased; according to the method, the coarse metal mesh can be rapidly prepared into the metal mesh with thin metal lines and large opening area of a single mesh opening, so that the opening rate of the metal mesh is increased, the production efficiency is greatly improved, and the production cost is reduced.

The invention provides an intelligent sorting method and sorting system for motor magnetic steel sheets, and relates to the technical field of motor manufacturing, and the intelligent sorting method comprises the steps that a motor magnetic steel sheet sorting platform is established; performing image capture and acquisition on the target motor magnetic steel sheet through a visual detection camera to obtain appearance image information of the magnetic steel sheet; performing preprocessing and characteristic loss analysis on the appearance image information of the magnetic steel sheet to obtain loss characteristic data of the magnetic steel sheet; building a motor magnetic steel sheet sorting logic device to carry out quality evaluation on the magnetic steel sheet loss characteristic data to obtain a magnetic steel sheet quality sorting result; and based on the quality sorting result of the magnetic steel sheets, sorting execution control is carried out on the target motor magnetic steel sheets. The technical problem of low sorting accuracy caused by lack of comprehensive detection and systematic evaluation on the appearance of the magnetic steel sheet in the prior art is solved, and the technical effect of improving the sorting precision and the sorting efficiency of the magnetic steel sheet of the motor is achieved.

The utility model relates to a liquid preparation system of a sugar coating machine, which comprises a liquid preparation barrel, a diaphragm pump, a pressure tank, a compressed air source, a pressure sensor, a flow meter, a control electric box, a display screen, a liquid inlet valve, a liquid inlet valve manual switch and a coating pan. Signals of the pressure sensor can be automatically controlled through the control electric box, the liquid adding flow is controlled by adjusting the pressure of compressed air in the pressure tank, an operator can independently and manually control opening and closing of liquid adding of each spray gun through a liquid inlet valve manual switch, the requirement for data reproducibility can be met, and the working efficiency is improved. Parameterization control over the operation process of the process equipment is achieved, the quality consistency and stability of different batches of products are guaranteed, and the product quality is better guaranteed.

The invention discloses an automatic kudzu vine root powder production technology, and relates to the technical field of kudzu vine root powder production, and the technology comprises the following steps: S1, cleaning; s2, performing draining; s3, performing peeling treatment; s4, obtaining radix puerariae slices; s5, obtaining dried radix puerariae slices; s6, obtaining radix puerariae powder; the kudzuvine root powder is processed and prepared through the automatic kudzuvine root powder production technology, the production efficiency of the kudzuvine root powder is greatly improved, and meanwhile the stability of the quality of the kudzuvine root powder is ensured. Compared with a traditional manual production mode, the automatic production process has the advantages that the manual labor can be greatly reduced, the influence of inaccuracy of manual operation on the quality of the radix puerariae powder can be effectively reduced, and the quality stability of the radix puerariae powder produced in each batch is greatly ensured.

The invention discloses intelligent concrete production equipment, and relates to the technical field of concrete stirring equipment.The intelligent concrete production equipment comprises an outer shell, a protective shell is installed on the side surface of the outer shell, an inner rotation temperature control adjusting shell is installed in the outer shell, and under cooperation of a control driving assembly, uniform heating or cooling of a concrete mixture is promoted; the ideal processing temperature is kept, the concrete quality is ensured, the effectiveness of the stirring blade assembly, the transmission inner stirring assembly and the control driving assembly in the whole concrete operation production process is further enhanced under the cooperation of the dynamic detection assembly, the concrete mixing uniformity and compactness are ensured, and the production efficiency is improved. Meanwhile, under the cooperation of the transmission inner stirring assembly and the stirring blade assembly, the quality stability and consistency of concrete products are guaranteed, stirring dead angles are effectively reduced, the mixing uniformity is improved, it is ensured that all materials are included in the stirring process, waste is reduced, and the stirring efficiency is improved.

The embodiment of the invention discloses a high-strength corrosion-resistant CuNi10Fe1Mn alloy copper pipe and a preparation method thereof, relates to the technical field of non-ferrous metal material manufacturing, and aims to solve the technical problem of poor production in the prior art. According to the high-strength corrosion-resistant CuNi10Fe1Mn alloy copper pipe, the content of Ni ranges from 9.0% to 11.0%, the content of Fe ranges from 1.0% to 2.0%, the content of Mn ranges from 0.5% to 1.0%, the sum of impurity elements does not exceed 0.2%, and the balance is Cu.

The invention relates to an automatic control method and device applied to a valve welding seam cutting device. The method comprises the steps that a locking limiting mechanism clamps a pipeline, a centering clamping mechanism clamps and centered a valve, an annular cutting mechanism automatically cuts a valve welding seam, and danger identification monitoring is conducted on the valve welding seam cutting device. According to the automatic valve welding seam cutting technology, manual operation can be replaced, the cutter feeding amount and the cutting speed can be automatically adjusted, the quality stability of the cut welding seam is ensured, the system has the automatic limiting and fixing functions, the height adjustability is achieved, the system is suitable for valves of different sizes, and meanwhile the automatic valve welding seam cutting efficiency is improved. Visualization and controllability of the cutting process are achieved through a digital control system, the automation degree of equipment is greatly improved, the whole cutting device is designed in an integrated mode, use is convenient and efficient, and the tedious steps of manual clamping, calibration and cutting are omitted.

The utility model relates to the technical field of polishing material processing, and discloses a high-precision glass polishing material granularity screening machine which comprises a supporting base, three inserting grooves distributed at equal intervals are formed in one side of the supporting base, collecting drawers are fixedly inserted into the inserting grooves, and a discharging box is fixedly connected to the other side of the supporting base. Spring seats are fixedly connected to the four corners of the upper side face of the supporting base correspondingly, springs are fixedly connected to the four spring seats correspondingly, a screening machine is fixedly connected to the upper ends of the springs, an assembly cover covers the top of the screening machine, a connecting block is fixedly connected to the bottom of the screening machine, and two vibration motors are fixedly connected to the side, away from the screening machine, of the connecting block. The glass polishing material screening machine further comprises a screening device which is arranged in the inner cavity of the screening machine, efficient and accurate screening of glass polishing materials is achieved through the screening device which is convenient to disassemble, the screening efficiency and precision are improved, a screen can be rapidly replaced, the maintenance difficulty and cost are reduced, and meanwhile cleaning and repeated use are convenient.

The embodiment of the present application provides a granulator for Fischer-Tropsch wax, which relates to the technical field of Fischer-Tropsch wax processing. A granulator for Fischer-Tropsch wax comprises: an extrusion granulation mechanism, a raw material stirring and heating mechanism, the raw material stirring and heating mechanism is located at the upper part of the front end of the extrusion granulation mechanism, a transmission mechanism, the transmission mechanism is located at the front end of the extrusion granulation mechanism, the transmission mechanism is located at the lower end of the raw material stirring and heating mechanism, the extrusion granulation mechanism drives the transmission mechanism to rotate while extruding and granulating, and an intermittent feeding mechanism, the intermittent feeding mechanism is located at the front end of the extrusion granulation mechanism, and the intermittent feeding mechanism is located inside the transmission mechanism. The Fischer-Tropsch wax solution in the raw material stirring and heating mechanism can flow into the extrusion granulation mechanism intermittently and evenly to avoid uneven distribution of materials. At the same time, three negative pressure feeding boxes work alternately to ensure continuous supply of solution and provide buffer time for the heating mechanism, thereby improving the efficiency of the granulation system.

The application discloses a packaging method of a double-face bump packaging chip, which solves the defects of easy oxidation and electric leakage of the double-face bump chip, and ensures the quality and working stability of the double-face bump packaging chip. The method is characterized in that: after the wafer front surface operation is completed, the wafer front surface is reversely arranged after being bonded with glass, then the Si surface of the wafer back surface is ground and stress is released, then a SiO2 layer is formed on the surface of the Si layer, then a Ti / Cu layer is sputtered on the surface of the SiO2 layer, then the Cu is electroplated on the surface of the Ti / Cu layer to form an electroplated Cu layer, then the RDL corresponding to the pattern is formed on the wafer back surface through photoetching, then the Ti / Cu layer etching and the adhesive removing operation are carried out through photoetching, the back surface Cu manufacturing is completed, after the back surface Cu operation is completed, the wafer back surface is treated by plasma, then the RDL surface is protected by electroplating, after being reversely arranged again, the glass and the wafer are separated by UV light, and the complete single chip is formed by mechanical cutting.

The invention discloses cotton fiber circulating bleaching and dyeing equipment and a bleaching and dyeing method, and relates to the technical field of fiber bleaching and dyeing, cotton fibers are connected to the surfaces of a first winding roller and a second winding roller in a sleeving manner and are filtered through a plurality of filtering holes in a moving table, and filtered dye is uniformly sprayed on the cotton fibers through a spraying head at the bottom, so that spraying and dyeing are realized; if the height of the dye in the working box is greater than the height of the cotton fiber, dip dyeing is carried out, if not, spray dyeing can be carried out, the first winding roller and the second winding roller synchronously move, so that the fiber moves back and forth between the two rollers and is fully extended, and the extended fiber passes through the extrusion assembly and is extruded by the extrusion assembly; wherein the extrusion plates are close to each other under the action of the coil springs to extrude redundant dye in fibers, so that the adaptability of a production line is improved, uniform extension and dyeing consistency of the fibers in the processing process are ensured through the synergistic effect of the components, chromatic aberration and color spots are avoided, the quality stability of products is ensured, and the production efficiency and quality are improved.

The present invention discloses an online monitoring system for pipe jacking machine construction based on the Internet of Things, which relates to the technical field of pipe jacking machine construction devices, including: an Internet of Things sensor, which is used to collect environmental parameters and state parameters of the pipe jacking machine; a data acquisition module, which is used to connect the Internet of Things sensor, obtain and transmit environmental parameters and state parameters in real time; a data processing module, which is used to receive and pre-process environmental parameters and state parameters, and calculate comprehensive monitoring indicators; a monitoring module, which is used to monitor comprehensive monitoring indicators in real time, establish a threshold dynamic adjustment mechanism, calculate relative deviations, generate alarm signals, and alarm; a communication module, which is used to realize wireless transmission of data based on the Internet of Things technology. By generating construction monitoring indicators and optimizing control of influencing factors, the monitoring efficiency, decision accuracy, construction safety and reliability are significantly improved, the probability of equipment failure and environmental risks is reduced, and the overall construction efficiency and quality are improved.