43results about How to "Avoid quality fluctuations" patented technology

The embodiment of the invention provides a software test recommendation method and device, equipment and a storage medium. The method comprises the following steps: performing feature extraction on a technical document of to-be-tested software to obtain test features of the to-be-tested software; according to a similarity score between the test feature and a historical test feature corresponding to a historical test demand, screening out a target historical test demand meeting a condition from the historical test demand; performing feature screening on the test features corresponding to the target historical test requirements based on an association rule analysis algorithm to obtain target test features; performing clustering processing on the target test features based on a preset clustering dimension to obtain software test suggestion information under the preset clustering dimension; and recommending the software test suggestion information to a user. According to the embodiment of the invention, quality fluctuation caused by experience and ability level differences of testers can be avoided, the systematicness and consistency of test suggestions are improved, and the coverage of the test suggestions is improved.

The invention relates to the technical field of quality detection, in particular to a meat dish quality detection system which comprises a data acquisition module, a first determination module, a second determination module, a judgment module, a correction module and an alarm sending module. According to the method, the quality control level of the meat ball production line is effectively improved through accurate multi-parameter analysis and a step-by-step judgment mechanism, potential quality problems such as cracks, over-wet or over-dry defects can be accurately recognized by monitoring the moisture content, the sphericity and the deformation quantity of the meat balls in real time, the clamping pressure is dynamically adjusted, and the quality of the meat balls is improved. The system can adapt to different production conditions in real time, the influence of too large or too small clamping force on the shape and taste of meatballs is avoided, a real-time feedback mechanism of the correction module ensures that the production process can be rapidly adjusted during fluctuation, the defective rate in production is effectively reduced, and the production efficiency is improved. The problems of low detection precision and slow response speed caused by dependence on static data are effectively solved.

The invention provides a preparation method of an optical fiber core layer, an optical fiber comprises a deposition tube, a head tube and a tail tube, and the preparation method comprises the following steps: respectively fixing the head tube and the tail tube at two ends of a deposition lathe through a clamp; a deposition pipe is placed between the head pipe and the tail pipe, a concentric part is placed at the position corresponding to the deposition pipe, and the head pipe, the deposition pipe and the tail pipe are arranged along the same axis through the concentric part; at least one of the opposite ends of the head pipe and the deposition pipe is heated, so that the head pipe and the deposition pipe are welded; at least one of the opposite ends of the tail pipe and the deposition pipe is heated, so that the tail pipe and the deposition pipe are welded; and after the head pipe, the deposition pipe and the tail pipe are welded, a core layer is formed on the head pipe, the deposition pipe and the tail pipe. The concentric parts are arranged in the deposition pipe welding process, so that the deposition pipe, the head pipe and the tail pipe can be kept concentric after being welded, a core layer is deposited uniformly, and the quality of the optical fiber preform is improved.

The invention discloses an electrical porcelain fettling visual positioning automatic feeding and discharging device, and relates to the technical field of porcelain insulator manufacturing, the electrical porcelain fettling visual positioning automatic feeding and discharging device comprises four stand columns, a support is arranged above the four stand columns, movable lifting devices are arranged on the support, and a cross ball screw sliding table is fixedly arranged at the lower end of the movable lifting device on the left side; a vacuum lifting tool assembly is arranged below the cross ball screw sliding table, a camera detection device is arranged on the left side below the vacuum lifting tool assembly, and a four-claw clamp device is fixedly arranged at the lower end of the right movable lifting device. The cross ball screw sliding table, the vacuum lifting tool assembly and the four-claw clamp device move in the horizontal direction and the vertical direction by moving the lifting device, the vacuum lifting tool assembly adsorbs a mud blank, the camera detection device detects the mud blank, the mud blank is fed to a blank placing position after detection is completed, and then the mud blank is placed in the blank placing position. And the four-claw clamp device is used for transferring the treated mud blanks, so that the operation efficiency of the device is improved.

The utility model provides a perfume raw material processing device with a drying function. The perfume raw material processing device comprises a supporting table and a conveying belt, two sets of rolling shafts are arranged between baffles, mounting grooves are formed in the two ends of the baffles, bearings are arranged in the mounting grooves, the two ends of the rolling shafts are clamped in the bearings, and the conveying belt is arranged on the two sets of rolling shafts in a sleeved mode. A drying assembly is arranged above the two sets of baffles, a transmission assembly is arranged below the supporting table and connected with one set of rolling shafts, and a controller is further arranged on the supporting table. According to the machining device, the transmission assembly and the drying assembly are arranged on the supporting table, and the transmission assembly is connected with one set of rolling shafts, so that the conveying belt runs, and raw materials are conveyed. The drying assembly is located above the baffle, the conveying belt is arranged in the drying assembly in a penetrating mode, and the drying effect on the raw materials is achieved through the drying assembly. And through cooperation of the transmission assembly and the drying assembly, continuous processing and drying of the raw materials are achieved, the working efficiency is improved, and the labor cost is reduced.

The application discloses an AI-assisted software development method based on a rule-skill-manual knowledge architecture, and relates to the technical field of AI software development, comprising: setting a constraint priority system according to the execution stage of the AI-assisted software, and constraining each stage of the AI-assisted software; controlling the switching of each stage of the AI-assisted software through a stage state inference mechanism and an artificial confirmation access control mechanism; setting a manual automatic matching and input template generation mechanism and an experience backwriting and knowledge self-growth mechanism; using a statistical quantification and effect evaluation system to statistically analyze the running results of the AI-assisted software; and limiting the execution of the specified stage of the AI-assisted software according to a focus point forced isolation mechanism. The application solves the problems of chaotic specification management, heavy artificial burden, lack of process control, low efficiency of demand specification matching and inability to deposit and iterate engineering knowledge existing in the prior art AI-assisted programming technology.

The invention relates to the field of actinidia arguta leaf screening, in particular to an actinidia arguta leaf screening system based on a visual sensor, comprising: an optical detection module for acquiring first optical image data and first infrared image data of a target actinidia arguta leaf; the preprocessing module is used for preprocessing the first optical image data and the first infrared image data to generate second optical image data and second infrared image data; through fusion of optical appearance detection and near infrared spectrum internal component analysis, accurate quantitative scoring of the comprehensive value of the leaves is realized, full-dimensional quality grading can be executed, it is ensured that high-end raw materials have both excellent appearance and high-activity components, special high-value leaves generated due to light stress can be intelligently identified, and the method is suitable for large-scale popularization and application. Resource misjudgment is avoided, the efficiency bottleneck is broken through, quality fluctuation is completely eradicated, and meanwhile the raw materials are finely distributed according to the real commercial value of the raw materials.

The utility model provides a structural assembly for intelligent image processing, which relates to the technical field of image processing and comprises an adjusting mechanism, a fixing mechanism is fixedly connected to one side of the outer wall of the adjusting mechanism, the adjusting mechanism comprises an operating table, an image processing computer is fixedly mounted at the top of the operating table, and two first sliding rails are fixedly mounted at the top of the operating table. A moving frame is movably arranged between the outer surface walls of the two first sliding rails in a sleeving mode, and a first electric push rod is fixedly connected to one side of the outer wall of the moving frame. According to the utility model, under the mutual cooperation of the adjusting mechanism and the fixing mechanism, the accurate adjustment of the intelligent camera in three dimensions of front and back, left and right and up and down is realized, the adjustment mode effectively avoids the image quality fluctuation caused by the manual movement of a shot object, and through the automatic adjustment of the intelligent camera, the accuracy of the image quality is improved. The high stability and high definition of the image acquisition process are ensured, and the accuracy and efficiency of image processing are greatly improved.

The invention belongs to the technical field of metal material processing, and discloses a cold rolling method for overcoming brittle fracture of non-oriented silicon steel for a new energy automobile, which comprises the following steps: S1, normalizing treatment: heating at 920-1000 DEG C for 2.5-4 minutes; s2, pickling treatment: pickling in an acidic aqueous solution, then soaking in a clean water tank, neutralizing with an alkaline aqueous solution, blow-drying and coating oil to prevent rusting; s3, heating treatment is conducted, specifically, the workpiece is placed in a box-type resistance furnace, and heat preservation is conducted for 20-120 min under the condition of 200-500 DEG C; s4, cold rolling is conducted, specifically, hot rolling is rapidly conducted on a cold-rolling mill; and S5, continuous annealing is conducted, specifically, continuous annealing is conducted at the strip steel speed of 85 m / min to 95 m / min, and the annealing soaking temperature is 920 DEG C to 1000 DEG C. The technical problem that when silicon steel cold rolling is carried out in a laboratory environment, the edge of a cold-rolled plate is cracked or brittle fracture occurs is solved.

The invention discloses a steel member machining process which comprises the following steps: firstly, flattening a hot-rolled steel plate by adopting a double-roller flattening machine; secondly, accurately cutting the leveled steel plate by using a numerical control flame cutting machine; then, a numerical control milling machine is adopted for milling the end of the steel component, it is ensured that the end face is flat, and the perpendicularity meets the standard requirement; secondly, the steel member is subjected to groove machining through an automatic groove machine, and the groove angle and depth are accurately controlled; and finally, the steel member is assembled through a hydraulic pressing device, a hydraulic straightening machine is used for arching treatment, and it is ensured that the geometrical shape of the steel member meets the design requirement. According to the technology, through application of full-automatic equipment, the machining process is optimized, errors caused by manual operation are reduced, the production efficiency and the machining precision are improved, and the reliability and safety of the steel member in actual engineering are ensured.

The invention belongs to the technical field of pile head construction, and particularly relates to a construction structure facilitating pile head breaking and a cast-in-situ bored pile head processing method.The construction structure comprises prefabricated isolation blocks, hoops and limiting ribs, and at least two prefabricated isolation blocks are spliced to form an annular construction structure matched with a pile head; the hoops are arranged on the outer sides of the prefabricated isolation blocks, the limiting ribs are arranged at the splicing positions of the prefabricated isolation blocks, and the limiting ribs are welded to a reinforcement cage on the outer side of the pile head. In the construction process of the cast-in-situ bored pile reinforcement cage, the prefabricated isolation block is installed at the position, needing to be annularly cut, of the pile head in advance and is locked and fixed in combination with the hoop and the limiting rib, when the pile head is broken, the prefabricated isolation block is directly broken, the traditional annular cutting procedure is replaced, the traditional annular cutting procedure is omitted, the safety risk is reduced, and the construction efficiency is improved.

The utility model provides a kind of polysilicon crushing screening system, the purpose is to solve the technical problems of the particle size deviation of the silicon material after screening during the production of existing polysilicon.The system includes crushing mechanism, screening mechanism, back mechanism, sorting mechanism and broken material collecting device, the feeding end of screening mechanism is communicated with the discharge end of crushing mechanism, the feeding end of back mechanism is communicated with the large material outlet of screening mechanism, the discharge end is communicated with the feeding end of crushing mechanism, the import of sorting mechanism is communicated with the to-be-sorted material outlet of screening mechanism, and the broken material collecting device is communicated with the broken material outlet of screening mechanism.The utility model first carries out primary screening through screening mechanism, controls the silicon material in key interval, then further classifies by feeding it into the additionally added sorting mechanism, and the sorting mechanism classifies again according to the particle size of silicon material, so as to reduce the appearance quality deviation of each bag product, and change the polysilicon packaging into more fine control.

The present invention relates to the technical field of comprehensive utilization of phosphogypsum, and provides a method for preparing a self-hardening spherical cement retarder using twin crystalline phosphogypsum, wherein the twin crystalline phosphogypsum containing both calcium sulfate dihydrate and calcium sulfate hemihydrate is produced by controlling the wet phosphoric acid process, and the twin crystalline phosphogypsum is re-pulped, washed and improved to form balls, and then naturally hardened to obtain a spherical retarder. The present invention fully combines the green and low-energy wet phosphoric acid process advocated by the industry and the gelling effect of calcium sulfate hemihydrate itself, and obtains a spherical cement retarder with low impurity content and good fluidity without adding cement, steam curing, or turning the pile, which has significant significance for the green functional utilization of phosphogypsum.

The invention discloses a method for manufacturing a lightweight automobile conformal wire harness by using multi-material micro 3D printing, and relates to the technical field of automobile wire harness structure manufacturing, and the method comprises the following steps: S10, carrying out three-dimensional modeling on an automobile structure needing wire harness arrangement, and processing a curved surface model substrate matched with the surface of an automobile; and S20, at least two materials used for printing the automobile wire harness structure are attached to the curved surface of the model substrate on the curved surface model substrate matched with the automobile surface to print the automobile wire harness structure. Complete conformal and tight fitting of the automobile wire harness and the automobile structure can be realized, the bending and form sudden change part is not easy to break, the bending stress is small, wiring can be completed in a narrow space, the automation degree of wire harness production and assembly can be effectively improved, the manual participation process is greatly reduced, the labor cost is reduced, and the production efficiency is improved. And the workpieces do not need to be frequently switched, manufacturing process parameters do not need to be adjusted, batch production can be further facilitated, the production speed is higher, and automation can be better achieved.

The present application relates to the field of agricultural big data and fertilizer supply chain management, and particularly to a selenium-rich bio-organic fertilizer supply chain collaborative management system based on big data, comprising: a source evaluation step: a management center calls material attributes, a raw material evaluation unit analyzes source quality fluctuations to distinguish batches; an efficiency drift analysis step: in response to abnormal control signals, a conversion analysis unit performs efficiency drift evaluation feedback analysis; a supply-demand collaborative matching step: in response to regular control signals, a collaborative demand unit obtains a collaborative demand coefficient, and a matching division unit performs quantitative matching analysis of control decision; a control execution step: compare control evaluation indexes to generate control signals; the present application constructs a source fluctuation perception and supply-demand collaborative matching closed loop, solves the spatiotemporal mismatch contradiction of raw material fluctuations and soil adsorption specificity, and improves the overall efficiency of the supply chain.

The invention provides continuous pressing equipment for water permeable brick production, which comprises a mold mechanism and a hydraulic cylinder arranged at the top end of the mold mechanism and is used for extruding the mold mechanism; the material pushing assembly is arranged at one end of the mold mechanism and used for conveying raw materials into the mold mechanism; wherein a jacking assembly is arranged at the bottom end of the mold mechanism, the jacking assembly is used for jacking extruded and formed finished products, a material box is driven by an arranged high-precision air cylinder, so that when the material box moves to the upper surface of a mold, the material box can do reciprocating motion under the movement of the air cylinder, and the material box is driven by the air cylinder to do reciprocating motion; and the jacking assembly moves up and down, the feeding amount of the raw materials in the material box can be accurately controlled in a shaking mode through the reciprocating motion of the jacking assembly and the air cylinder, accurate control over feeding of the raw materials is optimized, the thickness and strength of the water permeable bricks are more uniform, the water permeability performance of the water permeable bricks is further improved, and the service life of the water permeable bricks is further prolonged.

The invention provides a method for improving the milling precision of a cylinder part mounting seat. The method comprises the following steps: measuring the size from the surface to the center of the mounting seat in a relative measurement mode; all other mounting bases are machined to be in the qualified size; replacing a cutter; the mounting seat with the planeness of 0.01 mm is subjected to finish machining; a threaded hole is machined, specifically, the threaded hole is milled in a spiral milling mode, and the cutting depth of an inner layer is 0.4 mm; and chamfering the threaded hole by using a chamfering tool. As the mounting base is of an asymmetric structure, the size from the surface to the center of the mounting base can be measured without a measuring tool and a standard component, and the size from the surface to the center of the mounting base is measured through a relative measurement method. By adjusting the machining sequence, the allowance distribution, the cutter selection and the cutting amount, the machining size of the part meets the requirements of a design drawing. The method has the advantages that the quality fluctuation of products is effectively eradicated, the generation of out-of-tolerance quality is eradicated, the bench worker plane grinding procedure is canceled, and the part machining efficiency is improved.

The utility model discloses a kind of automatic compensation devices of ink amount of flexographic printing machine, including main ink supply unit, detection unit, control unit and execution unit;Main ink supply unit includes main ink barrel and ink supply pump to scraper ink cavity ink supply;Detection unit includes liquid level sensor in main ink barrel, on-line viscometer in series in ink supply pipeline and chroma meter monitoring print color;Execution unit includes the auxiliary ink barrel and solvent barrel of storing new ink and solvent, and ink replenishing pump and solvent pump respectively connected them;Control unit is microprocessor controller, receives all sensor signals and controls each pump work, the utility model is through real-time monitoring ink amount, viscosity and color data, and then automatically drive ink replenishing pump and solvent pump to carry out accurate compensation, and adjust ink parameter;Effectively solve the quality fluctuation problem caused by manual operation, significantly improve the stability and consistency of printed matter, reduce waste and dependence on skilled workers.

The utility model discloses a kind of battery cell processing integrated equipment, belong to battery pack technical field.The equipment includes: frame body, battery cell conveying mechanism and patch film tearing mechanism, the battery cell conveying mechanism is movably connected in the frame body, for conveying battery cell along the first direction and the third direction, the battery cell detection mechanism is connected in the frame body, and along the second direction, located in the side of the battery cell conveying mechanism, for detecting the battery cell;The patch film tearing mechanism is connected in the frame body, and with the battery cell detection mechanism located in the same side of the battery cell conveying mechanism, along the second direction, the patch film tearing mechanism and the battery cell detection mechanism are spaced apart, the patch film tearing mechanism is used to tear off release film on the side of spacer, the spacer is attached on the battery cell, and release film on the other side of the spacer is torn off.

The utility model discloses a kind of high-precision automatic installation equipment of vehicle door crash beam, including first six-axis mechanical arm, first six-axis mechanical arm is installed with gripper frame, handling gripper is installed on the gripper frame, 3D vision camera, pneumatic clamping unit, high-precision adjustable positioning pin are installed on the gripper frame, the right side of first six-axis mechanical arm is equipped with crash beam clamp, the utility model relates to vehicle door crash beam technical field.Integrating 3D vision camera and high-precision adjustable positioning pin, system can real-time perceive the relative position of crash beam and vehicle door, and carry out self-adapting fine adjustment, ensure that the positioning accuracy of every installation is far more than artificial level, fundamentally eliminates installation deviation, guarantees the safety performance of product.

This utility model discloses an energy-saving single-burner double-pan pancake machine, relating to the technical field of pancake machines. It includes a fixed frame, with a mounting bracket fixedly connected to one side of the inner wall of the fixed frame. A servo motor is connected to the top of the mounting bracket, and a tray is fixedly connected to the transmission end of the servo motor. A flat pan is connected inside the tray, and a fixing rod is connected to one side of the fixed frame. A circular guide rail is fixedly connected to one side of the fixing rod. This energy-saving single-burner double-pan pancake machine, through the linkage between the rotating tray frame and the tray motor, achieves the alternating switching of the left and right flat pans at the heating furnace position. While one flat pan is cooking at the heating furnace, the other flat pan simultaneously completes the operations of brushing oil, feeding ingredients, and spreading the pancakes, realizing continuous pancake production and effectively increasing output per unit time. Furthermore, by using only one heating furnace, it avoids energy waste caused by heating two pans simultaneously, thus saving energy.

The invention provides a device and a method for measuring the width of a single-side opening of a welding groove. A welding groove single-face opening width measuring device comprises a main scale system and a vernier scale system, the vernier scale system is installed on the main scale system in a sliding mode, the main scale system is provided with a first reference surface and a second reference surface, the first reference surface plays a guiding and stabilizing role in the direction perpendicular to a groove, and the second reference surface plays a guiding and stabilizing role in the direction of the groove. The vernier scale system is provided with a groove single-side width measuring blade foot used for abutting against the upper edge of the groove.

The utility model belongs to the technical field of carbon anodes for aluminum, and particularly relates to a petroleum coke calcination experiment device. The petroleum coke calcination experiment device comprises a base; the bracket is arranged on the base; the heating assembly is arranged on the support in a lifting mode and can be switched between a first position and a second position; the crucible is arranged on the base and located below the heating assembly, and filling materials are arranged in the crucible; the accommodating parts are uniformly arranged in the filling material at intervals; the driving assembly is arranged on the bracket and is connected with the heating assembly; the controller is electrically connected with the driving assembly and the heating assembly; when the heating assembly is located at the first position, the heating assembly covers the crucible, and when the heating assembly is located at the second position, the bottom of the heating assembly is located above the crucible.

The invention belongs to the technical field of coatings, and particularly relates to a preparation method of a low-temperature-resistant moisture solvent-free anticorrosive coating for a moon platform pillar of a railway station, which comprises the following steps: in a reaction kettle, adding hydroxyl-terminated epoxy butyronitrile resin into micromolecular epoxy resin, and stirring for 1 hour at the temperature of 45-55 DEG C to obtain composite toughened epoxy resin; putting an acrylic acid dispersing agent into a liquid feeding mechanism, adding the acrylic acid dispersing agent into the composite toughened epoxy resin, stirring for 20-40 minutes, adding an organic silicon defoaming agent, and stirring for 30 minutes; finally, the quick lime and the pigment in the two feeding mechanisms are added into the reaction kettle and stirred for 1.5-2 hours at the temperature of 45-65 DEG C, and a component A is obtained through a screen of the screening mechanism; in a reaction box, bisoxazolidine is added into low-molecular polyether amine and stirred, and finally a component B is obtained through a screen of a screening mechanism; compared with the prior art, two components can be processed and prepared at the same time, the two components can be stored while the preparation efficiency of the coating is improved, and convenient use of the coating is achieved.

The invention discloses honeycomb paper protective sleeve synthesis equipment with a multi-station rotary table. The honeycomb paper protective sleeve synthesis equipment comprises a rack, and a storage device, a honeycomb strip feeding device and a honeycomb strip pulling device are arranged on the two opposite sides of the rack; the honeycomb strip pulling device is provided with a group of stretching and unfolding mechanisms which alternately suck honeycomb strips and convey the honeycomb strips at fixed points, the honeycomb strips are stretched and unfolded after being sucked, and the unfolded honeycomb strips are downwards pressed to the multi-station turntable honeycomb strip bonding device by a pressing mechanism; the multi-station rotary table honeycomb strip bonding device integrates honeycomb strip overturning, glue spraying, folding, attaching and forming and discharging, and a plurality of protective sleeve overturning and attaching components of the same structure are distributed on the circumference of a rotary table of a rotary table rotating mechanism of the multi-station rotary table honeycomb strip bonding device and used for assisting the operation. A plurality of functional modules such as storage, feeding, stretching and unfolding, multi-station turntable integrated type overturning, glue spraying and attaching, automatic discharging and the like are creatively integrated into one set of equipment, and a mechanical structure is combined with pneumatic and electric control, so that full-automatic and continuous production of the honeycomb paper protective sleeve is realized.

The invention relates to the technical field of wet spinning process production equipment, and discloses wet spinning nascent fiber multi-stage segmented wet drafting equipment which comprises a plurality of drafting baths which are arranged in an up-down stacked mode, nascent fiber bundles from a spinning machine, namely fiber tows to be drafted, are arranged in a wet drafting equipment body and are sequentially immersed in the multiple drafting baths; by means of the full-automatic drawing machine, the occupied area of equipment can be greatly reduced, the space layout of a production line is optimized, the cyclic inspection route is reduced, and the overall efficiency and the space utilization rate of the production line are effectively improved; by accurately adjusting the position of the filament pressing guide rod of each drafting bath and the immersion depth of the fiber filament bundle, the soaking and stretching wrap angle of the filament bundle in each drafting bath can be controlled, the stretching multiple of fibers can be effectively improved, the stability of the whole production process is guaranteed, and the phenomenon that the filament bundle is stretched unevenly in the drafting bath is avoided.

This invention relates to the field of traffic engineering technology, specifically to a method for preparing and paving prefabricated luminescent concrete road markings. The method includes: preparing prefabricated luminescent concrete marking slabs made of white silicate cement, aggregates, long-afterglow luminescent materials, and admixtures through casting and curing; embedding the slabs into installation grooves formed in the road surface, ensuring their upper surfaces are flush with the road surface; and filling the joints with sealant. This invention employs a prefabricated assembly process, enabling industrialized production and quality control, and solving problems such as construction pollution, poor visibility in rainy and nighttime conditions, and difficult maintenance associated with traditional road markings. The slabs incorporate luminescent materials throughout, resulting in excellent nighttime visibility; the optimized mix ratio gives the slabs both superior mechanical and luminescent properties; the service life is 5-10 times that of traditional road markings; the total life-cycle cost is reduced by 30%-50%; and it is environmentally friendly. It is suitable for newly constructed asphalt pavements, newly constructed cement pavements, and the reconstruction of existing roads.

The invention relates to the technical field of blood pressure cuffs, and discloses a blood pressure cuff preparation method which comprises the following preparation steps: 1) roll film feeding: a roll film is provided with a band sheet; the belt piece is provided with a middle line, a front section and a back section. (2) magic patches are placed on the front surface section and the back surface section; (3) the belt piece is moved to a welding station, and the hook-and-loop fastener and the belt piece are welded; (4) the belt piece is moved to a punching station, and a through hole is formed in the front face section; 5) moving the belt sheet to a tube insertion station, wherein the rubber tube is provided with a lower section and an upper section; the lower section forms a hot melting sheet which is connected with the belt sheet; (6) the rolled film is cut so that the belt pieces can be separated; 7) moving the belt piece to a folding station, folding the front section and the back section to form a folding piece, and 8) moving the folding piece to a forming station, performing hot-pressing welding on the periphery of the folding piece to form a closed edge, and enabling the folding piece to form the blood pressure cuff and to be communicated with the interior of the rubber tube, the whole preparation process is closely linked, and the procedures are efficiently circulated, so that the preparation efficiency of the blood pressure cuff is improved.

This utility model discloses an air supply system, which includes a main pipe and at least two sets of air supply units. Each air supply unit includes an air compressor and a dryer. A first branch pipe is provided connecting the air compressor and the dryer, and a second branch pipe is connected in parallel with the first branch pipe. The main pipe is sequentially connected to the air supply units. When one air compressor or dryer fails, the equipment in other air supply units can continue to work. If the air compressor of one air supply unit fails, the air compressors of other air supply units can continue to supply air to the dryer of that air supply unit through the main pipe. This avoids the entire system from shutting down due to a single equipment failure, reduces downtime caused by equipment maintenance or failure, improves the overall operating efficiency of the system, avoids the situation of some equipment operating under overload for a long time in the traditional one-to-one single-pipe mode, and improves the output quality of compressed air.

The invention provides a plaster production machine with an electric heating function, and relates to the technical field of plaster production. According to the equipment, by integrating multiple automation functions, efficient and stable production of the plaster is achieved. The device is mainly characterized in that an electric heater is used for accurately controlling the heating temperature to ensure that raw materials are uniformly heated and reach required viscosity; the filter screen is used for removing impurities in the raw materials and ensuring the purity of the product; the hydraulic machine compacts the plaster material to ensure the uniform thickness of the plaster; the cutting blade is responsible for cutting the plaster into sheets with proper sizes; and the automatic cleaning function ensures the sanitation of the equipment through a cleaning brush and prevents pollution. Meanwhile, the equipment is provided with a display screen and a work indicating lamp, operation is convenient, the production state can be monitored in real time, and operation safety is ensured. The plaster production machine is high in automation degree, high in production efficiency and simple to operate, guarantees high quality, can effectively improve the production efficiency and reduce the production cost, and meets the requirements of modern plaster production.