76results about How to "Improve mass production efficiency" patented technology

The present invention relates to the field of molecular biology, and further relates to a specific marker, primer pair, detection method and application of DNA insertion variation in the intron region of ihrp gene of spotted rockfish. The specific marker of insertion variation in the intron region of ihrp gene of spotted rockfish is a DNA fragment of non-insertion and insertion specific marker in the intron region of ihrp gene of spotted rockfish, and the nucleotide sequence of the DNA fragment is shown in SEQ ID NO:1 and SEQ ID NO:2. The present invention utilizes a pair of primers to amplify bands of 546bp and 419bp in individuals with DNA insertion variation, and only amplifies a band of 419bp in individuals without insertion variation. The detection method of the present invention significantly shortens the identification time, improves the detection efficiency, and has important application value in sex identification, preparation of Kaohsiung seedlings and family selection of spotted rockfish.

The invention provides a gas turbine compressor rotor locking plate bending device. The gas turbine compressor rotor locking plate bending device comprises a support, a die fixing unit, a stamping bending unit, a first manual valve, a second manual valve and a gas source triple piece. The die positioning block is provided with a plurality of workpiece positioning and placing grooves, the sizes of the locking plates extending out of the die positioning block are uniform, the manual valve controls the air cylinder to drive the pressing block to conduct stamping so that the locking plates can be bent, and the problems that according to an original technological method, a small hammer is used for knocking a punch to bend the locking plates, operation difficulty is large, efficiency is low, and the bending sizes of the locking plates are difficult to unify are solved; the device can realize batch production, is high in efficiency, is simple to operate, and is convenient for personnel to use. The problem that the size of the manually bent locking plate is difficult to unify is solved, the operation difficulty is reduced, people are liberated from complex and heavy work, and the assembly efficiency of the compressor rotor is improved.

The application belongs to the field of molecular biology, and particularly relates to a specific marker of an exon region of a Oplegnathus punctatus hmcn2 gene, a primer pair, a detection method, a kit and application. The specific marker of the exon region of the Oplegnathus punctatus hmcn2 gene is a nucleotide sequence of non-insertion and insertion specific markers of the exon region of the Oplegnathus punctatus hmcn2 gene DNA fragments, and the sequence is shown in bases of SEQ ID NO:1 and SEQ ID NO:2. The specific marker is applied to identification of female and male genetic sex of the Oplegnathus punctatus. The application establishes a method for realizing rapid genetic sex identification by rapidly detecting an exon DNA insertion variation of the Oplegnathus punctatus hmcn2 gene, and the method has a wide application prospect in the fields of sex identification of the Oplegnathus punctatus, preparation of high male seedlings and family selection breeding.

The invention discloses an LED packaging structure and an LED packaging method, and belongs to the technical field of chip packaging. The power supply electrode of the driving chip and the RGB electrode of the LED chip are led to the two layers of substrates respectively, amplification of the power supply electrode and the RGB electrode of the driving chip is achieved at the same time, on one hand, the size of the driving chip is enlarged in an electric connection mode, limitation on the size of the LED chip can be reduced, and the size of the LED chip can be reduced; compared with a traditional LED packaging structure, the LED packaging structure can adopt an LED chip with a larger size, so that the process mass production feasibility and the mass production efficiency can be improved; and on the other hand, a plurality of LED chips can be placed on the upper substrate, and the plurality of LED chips can be simultaneously driven through one driving chip, so that the integration level of the LED packaging structure can be improved, and the size of the LED packaging structure can be reduced.

The utility model relates to the technical field of regulating valves, and provides a flow regulating valve which comprises a valve seat and a valve element, valve holes are formed in the two ends of the valve seat in a communicating mode, and the valve element is provided with element holes closed or communicated with the valve holes. A rotating handle is arranged at the top of the valve element, and the rotating handle and the valve element are integrally formed; a conical cavity perpendicular to the valve hole is formed in the middle of the valve seat, and a conical surface matched with the conical cavity is arranged on the outer side face of the valve element; an annular limiting groove is formed in the bottom end of the inner side face of the valve seat, and a limiting buckle clamped with the annular limiting groove is arranged at the bottom end of the outer side face of the valve element. Therefore, the flow regulating valve only comprises the valve seat and the valve core, and the valve core and the rotating handle are integrally formed, so that the structural design of the flow regulating valve is simplified, the structure of the flow regulating valve is simpler, and the efficiency of batch production can be improved. And moreover, the conical surface valve core is matched with the conical cavity, so that micro-adjustment can be realized, and the flow adjusting sensitivity of the flow adjusting valve is improved.

The invention discloses a battery piece laser processing system and a processing and transferring method, and relates to the technical field of photovoltaic cells, the battery piece laser processing system comprises a rotating arm, a first laser, a second laser, a feeding device and a discharging device; the rotating arm is provided with a first material taking end and a second material taking end, the first material taking end transfers battery pieces to be machined in the feeding station to the first machining station or the second machining station along with rotation of the rotating arm, and the second material taking end transfers the battery pieces machined in the first machining station or the second machining station to the discharging station along with rotation of the rotating arm; the first laser device and the second laser device are used for carrying out laser processing on the battery pieces at the first processing station and the second processing station respectively; the feeding device conveys a battery piece to be machined to a feeding station. The discharging device conveys the battery pieces machined in the discharging station outwards. According to the technical scheme provided by the invention, a structural foundation is laid for accelerating the laser processing production takt of the battery pieces and improving the batch production efficiency of the battery pieces.

The application discloses a kind of integral sling pre-arrangement platform hydraulic control system and method, belong to rail transit electromechanical liquid precision control technical field.System uses public oil source+six independent parallel open hydraulic branch architecture, supporting oil source power unit, public auxiliary protection unit, six groups of modular work station execution branch and PLC electric control unit;Each work station differentiates and configures throttle, stepped pressure regulating element, branch built-in hydraulic control one-way valve, cooperate main oil line accumulator, oil cooler and construct two-way locking, dynamic pressure compensation, constant temperature and pressure loop.The application is original mechanical limit, servo negative tolerance cutting, continuous tension error directional transfer process: one side return line is mechanically limited to calibrate reference length, servo hanging column is first operated to theoretical total length negative tolerance position and then cut, so that wire actual length is slightly short;After servo rigid lock main sling size, push cylinder continuous tension will cut, assembly, wire elastic deformation all error be transferred to return section without accuracy requirement.

This utility model provides an outward expansion and shaping mechanism, including a machine base. A longitudinal displacement component is provided on the end face of the machine base, and a transverse displacement component is mounted above the machine base. A product carrier component is disposed on the output end of the longitudinal displacement component. A plurality of product positioning structures are arrayed on the product carrier component. The product positioning structures are arranged sequentially from front to back as strip-shaped support parts and U-shaped support parts. A product positioning protrusion is provided at the upper middle part of the U-shaped support part. A shaping component is disposed on the output end of the transverse displacement component. The shaping component includes a lifting component and an outward expansion component located at the output end of the lifting component. Outward tensioning rods are symmetrically arranged on both sides of the bottom end of the outward expansion component. The two symmetrical outward tensioning rods are sequentially slidably pressed and installed on the left and right sides of the product on the product positioning structure through their inner sides. This utility model relates to the field of precision electronic component manufacturing.

This invention relates to the field of laser cutting equipment technology, and discloses a laser cutting device and processing technology for sheet metal used in power distribution cabinet processing. The device includes a machine platform, two longitudinal columns fixedly installed inside the machine platform, a transverse platform slidably connected between the tops of the two longitudinal columns, and a laser cutting table slidably connected outside the transverse platform. It also includes a support mechanism and an adjustment mechanism located below the laser cutting table. Through a dynamic support system composed of an arc-shaped transverse plate, deformable support bars, a lifting plate, and adjusting feet, precise avoidance of the laser cutting point is achieved. When the cutting head moves into position, the adjusting feet press down to trigger, unlocking and causing the corresponding lifting plate and its supporting unit to descend, creating penetration space for the laser beam. This structure completely avoids direct contact and energy reflection between the laser and the rigid support, eliminating the resulting recoil and vibration interference.

The utility model discloses a circuit breaker, relating to the technical field of electric appliances, the circuit breaker comprises a shell, and a wiring terminal assembly, a switch assembly, a main control board and a flexible circuit board which are arranged in the shell, the wiring terminal assembly comprises a first wiring terminal and a second wiring terminal, a main loop is formed between the first wiring terminal and the second wiring terminal, and the main loop is connected with the switch assembly. The switch assembly comprises a moving contact which is arranged on the main loop and is connected with the first wiring terminal and a static contact which is connected with the second wiring terminal; the flexible circuit board comprises a circuit board body, a voltage detector and a temperature sensor, the voltage detector and the temperature sensor are arranged on the circuit board body, one end of the circuit board body is electrically connected with the first wiring terminal, the other end of the circuit board body is electrically connected with the main control board, and the voltage detector and the temperature sensor are used for detecting the voltage and the temperature of the first wiring terminal respectively. The main control board and the first wiring terminal are connected through the flexible circuit board, the complex wiring structure in the circuit breaker can be simplified, and the large-scale production efficiency is improved.

The utility model belongs to the technical field of elbow welding devices, and particularly relates to a large-diameter elbow welding device which comprises an equipment main frame, an angle adjusting fixing piece is fixedly installed in the middle of one end of the equipment main frame, and an elbow fixing adjusting plate is installed in the angle adjusting fixing piece in an up-down sliding mode. The other end of the bent pipe fixing and adjusting plate is installed in the equipment main frame in a left-right sliding mode, the bent pipe fixing and adjusting plate is in threaded connection to a first transmission screw, one end of the first transmission screw is rotationally connected to an angle adjusting and fixing piece, and the other end of the first transmission screw is rotationally installed on the equipment main frame. According to the large-caliber elbow welding device, angle adjustment of the elbow fixing and adjusting plate is cooperated with height adjustment of the elbow supporting piece, so that the large-caliber elbow welding device is adaptive to welding of large-caliber elbows with different angles, tools do not need to be replaced, and universality is high.

This invention relates to a shower faucet, comprising a faucet housing and an inner valve core assembly. The faucet housing is a hollow tubular component open at both ends, including an inner cavity communicating with the two openings. The inner valve core assembly is installed in the inner cavity. The faucet also includes a fixing bracket fixedly disposed within the inner cavity. The fixing bracket supports the inner valve core assembly and positions it within the inner cavity, simplifying the installation process and preventing issues such as misalignment of the inner valve core assembly and faucet leakage. The shower faucet also includes a hot water pipe interface assembly and a cold water pipe interface assembly connecting the inlet pipe and the valve body of the inner valve core assembly. This avoids scalding problems caused by the hot water inlet pipe contacting the metal faucet housing and simplifies the structure of the faucet housing.

This application discloses a laminated coil device and its fabrication method. The laminated coil device includes a laminate body and an external electrode. The laminate body includes a marking layer and a lead-out layer stacked sequentially. The lead-out layer includes at least one lead-out unit, which includes a lead-out electrode and a dielectric layer. The lead-out electrode and the dielectric layer are stacked together. A crack is provided on the lead-out unit near the marking layer, and the crack is located between the lead-out electrode and the dielectric layer of the lead-out unit. The external electrode paste of the external electrode enters the crack and connects to the corresponding lead-out electrode. This application can enhance the bonding force between the external electrode and the lead-out electrode, reduce the risk of open circuits or loose connections in the laminated coil device, and improve the reliability of the product and the yield rate of mass production.

The invention provides photovoltaic silver paste as well as application and a use method thereof. The photovoltaic silver paste comprises silver powder, organic resin, a solvent and an auxiliary agent, wherein the organic resin comprises a mixture of epoxy resin, a thermal curing agent, acrylate resin and a light curing agent; according to the photovoltaic silver paste disclosed by the invention, by adding the epoxy thermocuring system resin and the acrylate photocuring system resin in a certain proportion, the optimization of low resistivity of the silver paste can be well completed under a low-temperature condition, and meanwhile, the contact performance on an FTO (Fluorine-doped Tin Oxide) base material can be improved, so that the photovoltaic silver paste has excellent electrical conductivity under the low-temperature condition. The perovskite cell can use a silk-screen printing scheme with relatively high mass production efficiency and relatively low cost; according to the photovoltaic silver paste, the resistivity and ohmic contact can be greatly reduced under the condition of low-temperature curing, and the possibility that screen printing mass production can be achieved on perovskite is achieved.

The present invention discloses a memory RDT method, device, terminal device and computer storage medium. The memory RDT method is applied to the terminal device, and the method includes: detecting whether the memory configured by the current terminal device has an RDT record, wherein the RDT record is a record of the first execution of the RDT operation on the memory; if it is detected that the memory does not have the RDT record, performing the first RDT operation on the memory based on the background operation mode; pausing the first RDT operation according to a preset operation instruction, and responding to the execution of the operation instruction. The present invention does not need to consume a lot of time and production costs by executing RDT on the memory like the traditional memory mass production process, and the terminal device will not be unable to respond to the front-end operation instruction because the memory fails to pass the RDT detection, thereby ensuring the production quality of the memory and improving the overall mass production efficiency of the memory.

The invention discloses automatic microphone wire welding equipment, and relates to the technical field of wire welding equipment, the automatic microphone wire welding equipment comprises a workbench and a feeding assembly, the feeding assembly comprises two feeding mechanisms, a rectangular opening is formed in the table top of the workbench, and the two feeding mechanisms are arranged on the two sides of the rectangular opening respectively; a material guide cover which is obliquely arranged is fixed at the bottom of the table top of the working table, and a cover opening of the material guide cover is located below the rectangular opening; the feeding mechanism comprises a supporting plate and a plurality of clamps, the supporting plate is fixed to the workbench, and a driving assembly enabling the clamps to move annularly is arranged on one side of the supporting plate. According to the invention, the angle control range of the straightening microphone is from zero to ninety degrees, that is to say, the direction of the microphone welding wire is provided with two positions, one position is used for welding the cathode in front, and the other position is used for welding the anode in front, so that the reference direction of the microphone is provided with two directions, the rotating angle of the rotating module is reduced, the rotating time is shortened, and the efficiency of batch production is improved.

The present application relates to the field of molecular biology, further to an Oplegnathus punctatus intergenic region specific marker of MPP2 / ELF3 gene, a primer pair and application and a detection method. The specific marker of the intergenic region insertion variation of the Oplegnathus punctatus MPP2 / ELF3 gene is a DNA fragment specific to the non-insertion and insertion of the intergenic region of the Oplegnathus punctatus MPP2 / ELF3 gene, and the nucleotide sequence of the DNA fragment is shown as SEQ ID NO:1 and SEQ ID NO:2. The present application amplifies 469bp and 185bp bands in individuals with DNA insertion variation by using a pair of primers, and only amplifies 185bp bands in individuals without insertion variation. The detection method of the present application significantly shortens the identification time, improves the detection efficiency, and has important application value in the sex identification and family selection of the offspring of the hybridization between Oplegnathus punctatus males and Oplegnathus stripatus females.

The embodiment of the present application provides a packaging module, a packaging method thereof and an electronic device. The packaging method of the packaging module comprises the following steps: providing a substrate, the substrate has a packaging area and a non-packaging area, and the substrate has a seed layer corresponding to the position of the non-packaging area; disposing a first component in the packaging area and electrically connecting the first component with the substrate; integrally plastic packaging the packaging area and the non-packaging area of the substrate to form a plastic packaging layer, and the first component is wrapped in the plastic packaging layer; cutting an opening groove at the edge of the seed layer in the thickness direction of the substrate, and the opening groove extends to the lower surface of the seed layer; and stripping the seed layer, the part of the substrate above the seed layer and the plastic packaging layer above the part of the substrate to form the packaging module.

The application relates to a sewing device for a zipper fly of a pair of trousers, which comprises a rack, a workbench arranged on the rack, a placing station and a sewing station arranged on the workbench, a sewing machine installed on the workbench and used for twice sewing of the trousers and the zipper of the sewing station, a Y-axis sliding platform arranged on the workbench and provided with a support, a feeding mechanism arranged on the rack and used for feeding the trousers and the zipper of the placing station to the sewing station, a pressing frame slidingly connected to the support and used for pressing the trousers of the sewing station, a first pressing mechanism arranged on the pressing frame and used for pressing the position of the zipper on the trousers during the first time of sewing, a folding mechanism arranged on the pressing frame and used for folding the zipper after the first time of sewing, and a second pressing mechanism arranged on the pressing frame and used for pressing the position of the zipper on the trousers during the second time of sewing. The mechanisms work cooperatively, the sewing process is ensured to be consecutive, and the overall production efficiency is improved.

The invention discloses a modular marine engine frame machining platform, and belongs to the technical field of engine frames, the modular marine engine frame machining platform comprises a plurality of mounting blocks, a first mounting plate is fixedly connected between the tops of the mounting blocks, and two baffles are fixedly connected to the top of the first mounting plate; a feeding assembly is installed between the inner walls of the two baffles, a machining machine is installed at the top of the first mounting plate, a connecting groove is formed in one side of the outer wall of the first mounting plate, a second mounting plate is slidably connected to the inner wall of the connecting groove, and a grinding assembly is installed at the top of the second mounting plate. According to the engine frame polishing device, polishing can be carried out according to the shape and the size of an engine frame in a preset path and force, the situation that polishing is uneven, excessive polishing or not in place possibly caused by manual polishing is effectively avoided, and the smoothness and the precision of the surface of the engine frame are guaranteed.

This invention discloses a method for a four-channel atmospheric pressure plasma jet array based on a cascaded power divider structure, belonging to the field of plasma jet technology. The method includes steps S1 (precision forming of the outer cavity), S2 (segmented machining of the inner conductor), S3 (annular ceramic preparation), S4 (LC parameter simulation pre-design), S5 (graded alignment assembly), and S6 (segmented debugging of the entire machine). This method for a four-channel atmospheric pressure plasma jet array based on a cascaded power divider structure produces products that can be widely used in large-area continuous industrial applications such as low-temperature sterilization of medical devices and surface activation of polymer sheets. It improves the yield rate by over 30%, reduces the ceramic scrap rate from the traditional 25% to less than 3%, has strong process reproducibility, eliminates the risk of localized heat accumulation and breakdown, and increases the continuous rated power of the equipment from the traditional 1.2kW to 3-5kW, meeting the needs of high-power continuous industrial production lines. It possesses outstanding innovation and industrialization value.

This application relates to an auxiliary tooling for impeller welding, mainly in the technical field of machining auxiliary equipment. It includes a base detachably mounted on a machine tool. A positioning body for fixing the impeller is detachably mounted at the center of the top of the base. The positioning body includes a positioning pin and a fixing seat fixedly mounted on one end of the positioning pin. A fixing hole matching the locking bolt of the impeller is opened at the center of the other end of the positioning pin. The positioning pin is fixed at the center of the fixing seat. It also includes a fixing sleeve. A positioning platform is opened on the upper surface of the fixing seat. A snap-fit ​​ring matching the positioning platform is opened on the inner wall of the fixing sleeve. The fixing seat is detachably mounted on the base. This application solves the problem in the prior art where other auxiliary equipment is used to fix the impeller for welding. During the welding process, it is necessary to rotate the impeller or the welding machine tool to weld different positions of the impeller, which may cause impeller displacement and thus affect the welding quality.

The application discloses a turnover plate milling vertical-horizontal conversion feeding and discharging system, which comprises buffer tools, conveying tools, vertical-horizontal turnover tools, exchange workbench assemblies and transition frame assemblies. Two buffer tools are arranged on the two sides of the vertical-horizontal turnover tools, each buffer tool is provided with a conveying tool, each conveying tool is provided with an exchange workbench assembly, and the transition frame assembly is arranged at one end of the vertical-horizontal turnover tools and connected with the exchange workbench assemblies. Through the application of the application, the turnover plate milling vertical-horizontal conversion feeding and discharging system is provided. When one exchange workbench assembly carries a workpiece for machining, the other exchange workbench assembly can synchronously carry out workpiece loading and unloading, so that the gap time of workpiece machining can be effectively utilized, the production cycle is shortened, and the efficiency of batch production is improved.

The utility model discloses a hard lead subminiature sealed filter manufacturing integrated device, which comprises an assembling welding tool and a lead bending tool, and is characterized in that the assembling welding tool comprises a cover plate, a first positioning plate, a second positioning plate, a bottom plate and a connecting rod which sequentially penetrates through and fixes the bottom plate, the second positioning plate, the first positioning plate and the cover plate; the cover plate is provided with a first groove used for fixing the position of a bent lead, the first positioning plate is provided with a second groove used for fixing the upper end of a workpiece and allowing the lower end of the workpiece to penetrate through, and the second positioning plate is provided with a third groove used for fixing the lower end of the workpiece and allowing a lead at the lower end of the workpiece to penetrate through. The bottom plate is provided with a counter bore used for fixing a workpiece lead. According to the utility model, the functions of different tools are integrated, and the requirements of integrating the functions of lead bending, assembling and welding and potting and positioning of the hard lead microminiature sealed filter are met. Different tools do not need to be replaced when the next procedure is carried out, the mass production efficiency is improved, and the precision and quality requirements are met.

The utility model relates to a corrugated pipe valve rod and corrugated pipe welding operation structure which comprises a clamping tool, a welding device is arranged on one side of the clamping tool, the clamping tool comprises a tool bottom plate, and a chuck, a roller support set and a pressing mechanism are arranged on the tool bottom plate. The chuck is located at the end of the tool bottom plate. The roller support set is located in the middle of the tool bottom plate and comprises symmetrically-arranged roller supports, each roller support comprises a bottom plate installed on the tool bottom plate, a vertical plate is fixedly installed on the bottom plate, a roller plate is installed on the vertical plate, and a pair of rollers is installed on the roller plate. The pressing mechanism comprises a pressing air cylinder, and the piston end of the pressing air cylinder is vertically downward and provided with a pressing block. The rotating automation and the rotating precision of the valve rod can be ensured, the operation is simple, and the large-scale production efficiency is high.

The present application relates to the field of biological medicine and food technology, and provides a method for preparing low molecular weight hyaluronic acid by high hydrostatic pressure assisted enzymatic hydrolysis. In the present application, sodium hyaluronate is dissolved in an acetic acid / sodium acetate buffer system, and a bovine testis-derived hyaluronidase is added under the condition of pH 4.5-5.5. The enzymatic hydrolysis is combined with 30-45 DEG C, 50-200 MPa static pressure and pulse pressure, and is cooperatively operated with two to three stages of tangential flow ultrafiltration external circulation separation. The molecular weight distribution is dynamically regulated through the segmentation interception and reflux strategy between the first and second membranes. The molecular weight interval target and flux are met, excessive shear and color rise are inhibited, and the product is obtained after enzyme inactivation, desalting and freeze-drying when the area ratio of 50-100 kDa is 55-95% or the distribution continuously changes by less than 5% twice. The product has a polydispersity index of 1.05-1.40, and the microimpurities and residues are strictly controlled. The product is suitable for cosmetics, functional food and biological medical materials.

The application discloses a kind of before electroplating of automobile metal piece, including workbench, two side frames, top frame;It further includes oil removal station, cleaning station, rust removal station, annular conveying line, several clamping jaws;Wherein, annular conveying line can control each clamping jaw moves along annular track, the oil removal station, cleaning station, rust removal station are sequentially arranged on the top surface of workbench;The oil removal station includes oil removal cavity, the cleaning station includes cleaning cavity, spray head group, the rust removal station includes rust removal cavity;Oil removal liquid is loaded in the oil removal cavity, the spray head group is arranged in cleaning cavity, rust removal liquid is loaded in the rust removal cavity, each clamping jaw can be independently moved downwards into oil removal cavity or cleaning cavity or rust removal cavity.The application has the characteristics of continuous batch to automobile metal piece before electroplating, can reduce the surface treatment time and transfer time of automobile metal piece, improve the surface treatment efficiency before electroplating, improve batch production efficiency etc.

The invention relates to an electrical module test method based on dynamic channel assessment, which comprises the following steps: activating a pseudo-random bit sequence generation module to generate a test signal, and transmitting the test signal to a receiving component of an active cable through a transmission channel. A receive side link training request signal is sent to a control unit of the active cable. The control unit sends a lookup table query instruction to the signal processor, the signal processor reads a lookup table of a mapping relation between pre-stored channel characteristics and optimal configuration, synchronously collects signal data output by the receiving assembly, and extracts initial channel characteristics and then carries out matching to obtain candidate preset values. And the signal processor receives the sampling signal output by the receiving assembly, and completes performance detection by calculating the bit error rate and the signal-to-noise ratio. Therefore, blind parameter traversal of a fixed sequence in the prior art is avoided through mutual cooperation of dynamic channel evaluation, channel characteristics and optimal configuration, intelligent mapping of a lookup table and direct positioning of adaptive configuration.

The utility model relates to LIPO electronic packaging equipment manufacturing field discloses a kind of bearing structure and LIPO packaging equipment for LIPO packaging equipment. Among them, the bearing structure for LIPO packaging equipment includes bearing and positioning assembly, and the screen to be operated is placed on bearing, and the positioning assembly includes multiple positioning blocks, and multiple positioning blocks are separately arranged in the circumferential direction of the screen to be operated, and the positioning assembly is used to position the screen to be operated, to ensure that the screen does not displace or deviate during secondary curing operation, thereby improving the accuracy, accuracy and consistency of secondary curing, reducing secondary curing defects caused by inaccurate positioning, achieving high precision, high safety and high production efficiency in the secondary curing link of LIPO.

The present application discloses a flash memory pre-classification method, device, equipment and storage medium. The method includes: executing mass production of flash memory; reading the partition information of the flash memory, confirming the target block of the current partition based on the partition information; obtaining the total amount of data and time read and written to the target block; calculating the read and write speed of the target block according to the total amount of data and time corresponding to the target block; calculating the target read and write speed according to the preset algorithm based on the target block included in the current partition; using the target read and write speed as the read and write speed of the flash memory and outputting it to the mass production tool interface. By counting the total amount of data and time read and written to the target block in the mass production stage of the flash memory, calculating the read and write speed of the target block, and then obtaining the target read and write speed according to the preset algorithm and outputting it to the mass production interface, the flash memory can directly obtain the H2Test speed after the mass production is successful, and the quality of the flash memory can be pre-classified based on the target read and write speed, thereby improving the overall mass production efficiency of the flash memory.