969 results about "Manufacturing efficiency" patented technology

A full-automatic movie and television video production system based on digital actors belongs to the field of artificial intelligence, computer graphics and movie and television production and comprises a creative engine unit, a production unit, an intelligent shooting unit, a post-processing unit and a quality inspection and rendering unit. The method has the advantages that 1, the manufacturing efficiency is greatly improved, the traditional film and television manufacturing period is usually 6-12 months, the manufacturing period can be shortened to 4 hours by the method, and the efficiency is improved by about 1000 times; 2, the manufacturing cost is obviously reduced: the manufacturing cost of traditional movies and other movies is usually 5 million to 20 million dollars, but the method only needs the computing power cost, and the cost is less than one percent of that of the traditional movies; 3, the style consistency is guaranteed, traditional film and television production depends on personal ability, the style consistency is difficult to guarantee, and the style consistency is strictly guaranteed through an algorithm and is improved by 100%.

The utility model provides a cover plate assembly, a battery cell and a battery, and relates to the technical field of batteries. The cover plate assembly comprises a cover plate, a pole and a current collecting piece; the pole comprises a pole body, a terminal part and a riveting part, the terminal part and the riveting part are respectively positioned on two sides of the cover plate, the pole body is arranged on the cover plate in a penetrating manner, one end of the peripheral surface of the pole body protrudes outwards in the radial direction to form the terminal part, and the other end of the peripheral surface of the pole body protrudes outwards in the radial direction to form the riveting part; the current collector is connected with one end, far away from the terminal part, of the pole; a riveting hole is formed in the end face, away from the terminal part, of the column body. The terminal part and the post body are integrally formed, and the riveting part and the riveting hole are arranged on the post body, so that the post can be fixed on the cover plate through pressing rivet, and welding is not needed. Thus, the manufacturing efficiency of the cover plate assembly can be improved, the production cost of the cover plate assembly can be reduced, the matching precision of the pole column and the punch during pressing rivet can be improved through the pressing rivet hole, and therefore the accuracy of the punching position can be effectively improved.

The invention discloses a self-adaptive optical lens curved surface optimization processing method based on machine learning, and the method comprises the steps: generating an optimal target curved surface which is easy to process based on the optical performance and manufacturability criterion through employing a first machine learning model; after the current surface shape error is obtained through machining and measurement, modeling is conducted on the non-linear and space coupling effect in the machining process through a second machine learning model, so that an optimal compensation machining scheme is predicted and determined; compensation processing is executed, and iterative circulation is carried out until the surface shape error is converged to a preset threshold value; according to the method, the processing convergence can be improved from the source, high-precision intelligent error compensation is realized, and the manufacturing efficiency and the yield of high-end optical elements are expected to be improved.

The invention provides box girder bottom and web reinforcement cage framework streamlined production equipment, and belongs to the technical field of box girder prefabrication processing. The box girder bottom and web reinforcement cage framework streamlined production equipment comprises a moving seat which is linearly and slidably mounted on the ground, and a longitudinal bar fixing assembly is arranged at one end of a first rail; an automatic welding machine, a tidying mechanism and a stock bin are sequentially arranged on the moving seat in the direction that the moving seat slides away from the longitudinal bar fixing assembly, the stock bin is used for horizontally arranging and placing the combined stirrups, shifting assemblies are further arranged on the moving seat and located on the two sides of the stock bin, and the tidying mechanism is used for fixing the combined stirrups and positioning longitudinal bars; the automatic welding machine is used for welding the joints of the combined stirrups and the longitudinal bars on the arranging mechanism, and a supporting assembly is arranged below the moving seat. The combined stirrups can be taken out of the stock bin through actions of the arranging mechanism and the material stirring machine, then the automatic welding machine is used for welding, the moving seat moves backwards by a certain distance after one round of welding, the next round of welding of the combined stirrups is carried out, and the welding and manufacturing efficiency of a reinforcement cage framework is improved.

The application discloses a damping device and a damping method, which combines a friction generator with a damping component, so that the friction generator outputs an electric signal under the action of an external vibration source, and when the electric signal is transmitted to the damping component, the electric signal can adjust the inherent frequency of the damping component itself, so that the adjusted inherent frequency is different from the vibration frequency provided by the external vibration source, so that the damping component and the external vibration source cannot achieve resonance, thereby achieving the purpose of damping; and since the electric signal is provided by the friction generator, an external excitation power supply is not needed, the dependence on the external excitation power supply is reduced, and passive damping is achieved; in addition, the damping device does not need a complex structure, and only needs to combine the friction generator with the damping component to achieve damping, so that the structural complexity of the damping device is effectively simplified, the manufacturing cost of the damping device is reduced, and the manufacturing efficiency of the damping device is improved.

The invention discloses an automatic forging production line and a production method thereof, the automatic forging production line is used for forging production of small-size ring forgings, the production line comprises a raw material discharging area, a forging area and a finished product storage area which are arranged in sequence, and the raw material discharging area conveys raw materials subjected to cutting and / or chamfering treatment to the forging area for forging through a raw material conveying line; the forging area conveys finished products in the forging area to the finished product storage area through a finished product conveying line. The forging area comprises a first forging assembly used for completing forging forming of raw materials, the first forging assembly comprises a first multi-station heating furnace, ring piece forging equipment, an edge trimmer and a first marking machine, and manipulators are arranged on the side faces of different equipment of the first forging assembly and used for loading and taking materials or moving the materials. The equipment is reasonably arranged in combination with a product production process, so that automatic production of ring forging products is realized, the manufacturing efficiency is improved, the personnel cost can be reduced, the number of on-site practical operation personnel is reduced, the potential safety hazard is reduced, and meanwhile, the processing quality consistency is improved.

The invention relates to the technical field of titanium alloy investment precision casting, and particularly provides a titanium alloy multistage deep blind hole investment casting method which comprises the following steps: designing an exhaust hole and a slag removal hole; establishing a model; assembling and welding; soaking the surface layer in a vacuum negative pressure environment, continuously vacuumizing, deflating after soaking, taking out the module, and rotating to uniformly control the slurry; preparing a surface layer; performing segmented grouting on the deep blind hole; making a shell from a back layer; roasting and molding; washing and drying; pouring is conducted; shell cleaning and sand blasting; sealing and welding the process holes; and performing stress relief annealing. And a dynamic vacuumizing means is adopted, and a vacuumizing device is always kept in an open state, so that the compactness of a surface layer is improved, and burrs of a casting are reduced. Through vacuum dynamic slurry immersion, segmented grouting and collaborative design of the exhaust hole and the slag removal hole, investment precision casting forming of the high-precision oil pump shell can be supported, the shell manufacturing efficiency of the multi-stage deep blind hole is improved, and the filling defect rate is reduced.

The invention provides a high-parallelism test method of an optical comprehensive test platform, relates to the field of active optical testing, and aims to realize parallel testing of multiple tested objects or multiple test items through N independent test channels, avoid waiting time of traditional serial testing, and effectively improve manufacturing efficiency by combining the high-parallelism characteristic of the platform. Dynamic resource scheduling distributes tasks based on channel resource states monitored in real time, resource idling is avoided, the characteristic of high integration of a platform is matched, multiple modules share the platform, cost is effectively shared, the overall utilization rate of equipment is improved, modules such as optical power meters and variable optical attenuators integrated in all channels in a hardware architecture support hot plugging, and the overall performance of the equipment is improved. And the task analysis algorithm can flexibly map test items, adapt to requirements of different tested objects, conform to the advantages that the platform is matched as needed and easy to expand, can protect investment and adapt to dynamic changes of a test scene, and a distributed data acquisition mechanism synchronously acquires data of each channel and provides support for generating a reliable test report.

The utility model discloses a semi-automatic mousse cooking machine which comprises a machine box, a cooking barrel, a steam tank and a cooling water tank are arranged in the machine box, a heating jacket and a cooling jacket are wrapped outside the cooking barrel, the heating jacket is communicated with the steam tank, and the cooling jacket is communicated with the cooling water tank. A stirring device is arranged in the cooking barrel and comprises a stirring shaft, transverse stirring rods connected to the two sides of the bottom end of the stirring shaft respectively and longitudinal stirring rods connected with the transverse stirring rods on the two sides respectively, and a plurality of stirring scraping blocks which are tightly distributed are arranged on the transverse stirring rod on one side and the longitudinal stirring rod connected with the transverse stirring rod on one side respectively; a transverse scraping plate and a longitudinal scraping plate are correspondingly arranged on the transverse stirring rod on the other side and the longitudinal stirring rod connected with the transverse stirring rod respectively, and the transverse scraping plate and the longitudinal scraping plate are integrally formed. The device has the heating and cooling functions, the product manufacturing efficiency is high, the equipped stirring device has the bottom stirring and scraping functions and the side wall stirring and scraping functions, and materials can be fully stirred and mixed and cannot be accumulated and adhered.

This invention discloses a lifting device for automobile manufacturing, relating to the field of automobile manufacturing technology. It includes: a lifting beam with multiple connecting frames fixedly connected to its bottom, the connecting frames being equidistantly arranged at the bottom of the beam, and a suspension assembly at the bottom of each connecting frame; through the arrangement of a turntable, gears and racks engage and gradually mesh, allowing the automobile chassis to rotate into a vertically upward state, thus facilitating the side mounting of components and assemblies onto the chassis, saving time and effort and improving automobile manufacturing efficiency; through the arrangement of racks, as the suspension rail drives the cantilever and other structures forward, gears intermittently mesh with racks, causing the automobile chassis between the rotating plate and the clamping plate to rotate intermittently in one direction. Depending on the different angles the automobile chassis rotates to, components and assemblies that are convenient to assemble at that angle are systematically mounted onto the chassis, saving time and effort.

The invention belongs to the technical field of aircraft structure design, and discloses a fuselage frame preparation process and a fuselage frame. According to the fuselage frame preparation process, preparation of the first woven preformed body and the second woven preformed body is achieved through the weaving operation of the weaving machine, the preparation efficiency and the structural integrity of the first woven preformed body and the second woven preformed body are improved, and the influence of manual operation on the fuselage frame forming quality is avoided. The preparation of the first weaving body and the second weaving body is realized by cutting operation of cutting guide parts arranged on the first weaving auxiliary core mold and the second weaving auxiliary core mold in advance, so that the preparation precision is guaranteed, and the forming quality of the fuselage frame is improved. The invention further provides the machine body frame, the machine body frame is prepared through the machine body frame preparation technology, the manual operation participation degree is reduced in the machine body frame preparation process, the influence of manual operation errors on the forming quality of the machine body frame is avoided, the forming quality and forming efficiency of the machine body frame are improved, and the manual labor intensity is relieved.

The invention discloses a commodity marketing picture and video generation method and device, equipment and a medium. The method comprises the following steps: receiving an input commodity image and description information provided by a user; carrying out preprocessing and main body segmentation on the commodity image to obtain a commodity main body image; based on the commodity main body image and the user description information, commodity content understanding is carried out through a multi-modal model, a structured commodity semantic tag is generated, and the commodity semantic tag comprises the category, the visual feature and the key attribute of the commodity; and on the basis of the commodity semantic label, creative content generation and automatic typesetting processing are carried out through a multi-modal model, and a commodity marketing image containing a background, an advertisement copywriting and decoration elements is generated. According to the method, the tedious process needing multiple stages, multiple tools and repeated manual intervention is integrated into a highly-automatic end-to-end process, the manufacturing efficiency of commodity marketing materials is improved, meanwhile, the requirement for professional skills of a user is lowered, and the consistency of the visual context, style and brand is guaranteed.

The invention relates to a solid-state battery piece preparation device and method and solid-state battery preparation equipment. The solid-state battery piece making device comprises a composite mechanism which comprises a first rubber frame unwinding assembly, a pole piece unwinding assembly, a second rubber frame unwinding assembly and a material belt composite assembly, and the first rubber frame unwinding assembly, the pole piece unwinding assembly and the second rubber frame unwinding assembly are all arranged on the upstream of the material belt composite assembly; and the flaking mechanism comprises a main drive traction assembly and a cutting assembly, the main drive traction assembly is arranged at the downstream of the material belt composite assembly, and the cutting assembly is arranged at the downstream of the main drive traction assembly. Therefore, the first rubber frame material belt, the pole piece material belt and the second rubber frame material belt are compounded by utilizing the material belt compounding assembly, and then the composite material belt is cut off by utilizing the cutting-off assembly to form the pole piece material, so that the pole piece, the solid electrolyte layer and the rubber frame are prevented from being cut and flaked independently, the flaking efficiency is improved, and the production efficiency of the whole machine is further improved; and the capacity requirement can be better met.

The invention discloses a single-material multi-mode assembly and an electronic additive printing method, and belongs to the technical field of additive manufacturing, and the method comprises the following steps: firstly, under the irradiation of first-wave-band ultraviolet light, forming an insulating flexible substrate by adopting a photocuring additive printing technology; carrying out photo-crosslinking on the insulating flexible substrate through a preset digital mask pattern to obtain a pattern, and obtaining an assembly precursor; and finally, differentiated irradiation is performed on different areas through second wave band ultraviolet irradiation, continuous adjustability of a single material from an insulation state to a metalloid state is achieved, and the programmable multi-mode electronic assembly with multi-element conductivity distribution is prepared. The method simplifies the technological process, reduces the manufacturing cost, improves the comprehensive performance and reliability of the device, improves the performance and manufacturing efficiency of the device, and is suitable for the fields of flexible electronic devices, wearable devices, micro-nano sensors and the like.

The invention relates to the technical field of robotic arms, and discloses a multi-drink concurrent making method for position exchange and task reservation of double mechanical arms, which comprises the following steps: defining a current task state CT and a reservation task state RT for each mechanical arm; after a beverage to be made is obtained, the beverage is decomposed into one or more process stages according to whether a making process uses an exchange position or not, and the task is determined as a single-mechanical-arm independent task or a double-mechanical-arm cooperative task; during scheduling, for a single-arm task, judging whether an execution arm CT is empty or not and whether an RT is not in an immediate task reservation ready state or not; for the initial stage of the cooperative task, judging whether an execution arm CT is empty or not and whether an opposite arm RT is empty or not, and avoiding scheduling deadlock; and for the subsequent stage of the cooperative task, scheduling according to whether the opposite arm RT is in the reserved task ready state or not. According to the method, efficient and conflict-free concurrent scheduling in a complex manufacturing scene is realized through accurate state definition and multi-level judgment logic, and the equipment utilization rate and the overall manufacturing efficiency are improved.

The invention discloses a center terminal, a coaxial connector, a connector assembly and a terminal manufacturing method. The central terminal comprises a first terminal part which is cylindrical and comprises a first matching end and a first connecting end which are axially opposite to each other; and the second terminal part is columnar and comprises a second matching end and a second connecting end which are axially opposite to each other. The second connection end of the second terminal part is inserted and connected into the first connection end of the first terminal part. The first terminal part is an integrated stamping part made by stamping a single metal plate, and the second terminal part is an integrated stamping part made by stamping a single metal bar. The manufacturing cost of the center terminal can be reduced, and the manufacturing efficiency of the center terminal can be improved.

The invention relates to the technical field of architectural membrane testing, and provides architectural membrane structure tearing strength testing equipment which comprises a sample table, a width adjusting module, a clamping module, a length adjusting module, a controller and a winding roller, the controller and the winding roller are arranged at the two ends of the sample table respectively, and a sample is wound on the surface of the winding roller; a rectangular ruler frame in the width adjusting module is in threaded connection with a two-way screw, an air cylinder in the clamping module is fixedly arranged between a clamping piece and an L-shaped frame, the L-shaped frame movably sleeves the lower portion of the rectangular ruler frame, a one-way screw in the length adjusting module is arranged above a sample table, a movable frame is in threaded connection with the one-way screw, and a first cutter body is arranged below the movable frame. Transverse rods are fixedly arranged on the two sides of the movable frame and penetrate through the surface of the L-shaped frame, the two sets of clamping modules are symmetrically distributed on the two sides of the first cutter body, standardization and automation of the whole process of sample preparation, tearing testing and data collection of the building film tearing testing are achieved, and the building film tearing testing device has the advantages of being high in sample manufacturing efficiency and high in testing precision.

The invention provides a microneedle mold manufacturing method, a microneedle manufacturing method, a microneedle mold and a microneedle, relates to the technical field of microneedles, and can improve the manufacturing efficiency of the microneedle mold. The method comprises the following steps: providing a glass substrate, wherein the surface of the glass substrate is provided with at least one target area; a laser beam is used for modifying the target area in the thickness direction of the glass substrate, so that an inverted-cone-shaped modified area is formed on the glass substrate; the modified area is subjected to etching treatment through etching liquid to form an inverted-cone-shaped hole, the microneedle mold is obtained, and the microneedle mold is used for manufacturing a microneedle.

The invention relates to the field of additive manufacturing, in particular to a large-layer-thickness additive manufacturing method and application thereof. The method comprises the following steps: (a) slicing a three-dimensional model, and setting the thickness of a printing layer; (b) setting entity filling scanning parameters and contour scanning parameters; and (c) according to the parameters set in the step (b), laser scanning is carried out on each powder layer, and contour scanning is carried out at least twice and comprises first contour scanning carried out before entity filling scanning and second contour scanning carried out after entity filling scanning. According to the method, the manufacturing efficiency is remarkably improved on the basis of ensuring the forming precision; by setting two types of parameters of filling and contour, collaborative optimization is carried out on the internal metallurgy quality and the surface forming quality, and splashing is reduced from the source; according to the method, at least two times of contour scanning with a clear sequence are stipulated, a molten pool boundary is formed before entity filling to constrain splashing and stabilize the contour, and then modification is carried out after entity filling to eliminate defects and improve the smoothness.

The invention discloses a composite material workpiece manufacturing method, and belongs to the technical field of composite material manufacturing. The manufacturing method of the composite material workpiece comprises the following steps: respectively forming first knitted parts on the outer sides of at least two knitted core molds through knitting; at least two weaving core molds are sequentially connected in the first direction, so that a first prefabricated part is manufactured; forming a second woven part on the outer side of the first prefabricated part by weaving so as to manufacture a second prefabricated part; sequentially cutting the side weaving parts of the weaving part from the two ends of the second prefabricated part to the center of the second prefabricated part in the first direction, and removing the weaving core mold to manufacture two third prefabricated parts; the side weaving part is a part of the weaving piece positioned on one side of the weaving core mold along the first direction; the third prefabricated part is infiltrated with the reinforcing material and cured through the forming mold, the manufacturing process of the composite material workpiece is simplified, the forming quality of the composite material workpiece is guaranteed, and the method has the advantages of being simple and convenient in technological process, low in curing cost and high in manufacturing efficiency.

The present application relates to an electrode sheet manufacturing device and a cutting and stacking integrated machine. The electrode sheet manufacturing device comprises a first die-cutting mechanism, a conveyor mechanism and a transfer mechanism. The first die-cutting mechanism comprises a first lower die and a first upper die; when the first upper die presses downward with respect to the first lower die, an electrode sheet material strip conveyed by the conveyor mechanism to enter between the first lower die and the first upper die can be cut into electrode sheets; during the interval between lifting and downward pressing of the first upper die with respect to the first lower die, a discharge transfer assembly can remove the electrode sheets on the first lower die from the first die-cutting mechanism. When lifting, the first upper die can provide clearance for the discharge transfer assembly, so that the position of the first lower die can be kept fixed, and the first upper die can cut electrode sheet material strips sequentially into electrode sheets simply by alternately performing lifting and downward pressing at a preset frequency, thereby significantly increasing the electrode sheet manufacturing rate; moreover, a plurality of electrode sheets can be obtained by cutting with one downward pressing of the first upper die, such that the electrode sheet manufacturing device and the cutting and stacking integrated machine exhibit significantly improved electrode sheet manufacturing efficiency.

The invention discloses a core injection and molding integrated pastry machine. The pastry machine comprises a pastry machine body provided with a base and a lifting mechanism, and is characterized in that the lifting mechanism comprises a lifting plate, an electric device is fixedly installed on the upper surface of the lifting plate, and a rack capable of being driven by the electric device to move in the vertical direction is connected to the electric device; a gear located beside the rack and meshed with the rack is further installed on the lifting plate through a rotating shaft, an upper mold core injection assembly located on the front side of the gear is fixedly installed on the rotating shaft, a lower mold assembly is arranged on the upper surface of the base, and the upper mold core injection assembly is overturned through rotation of the gear and matched with the lower mold assembly in an aligned mode to achieve compression forming of core injection cakes. The device has the advantages that the lifting mechanism, the overturning of the upper mold core injection assembly and the peristaltic pump are integrated on the same working platform, and the operation path of the mold is optimized through reasonable layout, so that the device is more compact in structure, higher in manufacturing efficiency and suitable for small and medium-sized food production lines or automatic integrated equipment.

The invention relates to the technical field of intelligent document generation, and discloses an intelligent PPT content generation system based on semantic analysis. The system comprises a semantic analysis module, a content planning module, a template matching module, a content generation module and an adjustment module. The semantic analysis module processes a text input by a user and extracts key semantic elements; the content planning module is used for generating a multi-level outline, processing logic conflicts and recombining sub-topics; the template matching module extracts style parameters, compares template features and verifies the matching degree; the content generation module determines an optimal template and generates an initial PPT; and the adjusting module dynamically adjusts according to a user instruction to generate final content. According to the system, the content structure is optimized through semantic analysis, the template is accurately matched, the manufacturing process is simplified, the problems that in traditional PPT manufacturing, content organization is disordered, template selection is blind, modification and coordination are difficult and the like are solved, and the PPT manufacturing efficiency and quality are improved.

The invention provides a low-cost high-strength (Ti-6Al-4V) 100-x-Cux titanium alloy and a preparation method thereof, and belongs to the technical field of metal material additive manufacturing, and the low-cost high-strength (Ti-6Al-4V) 100-x-Cux titanium alloy comprises the following chemical components in percentage by mass: 5-7% of Al, 5-10% of Cu, 5-10% of Ti, 5-10% of Al, 5-10% of Cu, 5-10% of Ti, 5-10 3%-5% of V; 7%-15% of Cu; and the balance of Ti and inevitable impurities. The microstructure of the (Ti-6Al-4V) 100-x-Cux titanium alloy is of a beta + alpha'heterostructure. According to the additive manufacturing process of the titanium alloy, pre-alloying and heat treatment are not needed, the titanium alloy with the beta + alpha'heterostructure is directly prepared, overall improvement of alloy strength plasticity and work hardening capacity is achieved, and lower manufacturing cost and higher manufacturing efficiency are achieved.

Improved reinforced thermoplastic hoses exhibiting improved layer adhesion, improved burst pressure response, and better fitting retention are provided. High quality adhesion between tube, cover, and reinforcement layers is exhibited. Improved methods of making reinforced thermoplastic hoses to reduce use of SVHC chemicals and improve manufacturing efficiency are also provided. The thermoplastic hoses are suitable for pneumatic and hydraulic applications.

The invention discloses a commodity advertisement generation method and device, a storage medium and a product, and relates to the technical field of advertisement generation, and the commodity advertisement generation method comprises the steps: obtaining commodity information of a target commodity of which an advertisement needs to be shot and a plurality of shot videos, inputting the commodity information, the shot video, a preset cue word framework and a preset commodity introduction case into a preset content generation model to obtain multiple segments of target commodity copywriting and multiple target commodity videos, matching the multiple target commodity copywriting and the multiple target commodity videos one by one based on a preset content matching model, and obtaining a matching result of the multiple target commodity copywriting and the multiple target commodity videos; and obtaining the matched target commodity advertisement. According to the method and the device, only the commodity related information and the prompt words need to be input into the model, the commodity copywriting and the video, and the copywriting and the video can be automatically matched to obtain the matched advertisement, so that the copywriting and the video do not need to be manually matched. Therefore, the manufacturing efficiency of the commodity advertisement can be improved.

The utility model discloses a storage tank structure, which relates to the technical field of rocket storage tanks and comprises a storage tank middle cylinder, an upper seal head and a lower seal head. Each of the upper and lower sealing heads comprises a sealing head light plate and a sealing head bracket; the support is arranged in the storage box, so that the structural stability and the bearing capacity of the storage box are enhanced; the support vertical beams are parallel to the axis of the storage box middle cylinder, so that the stress distribution of the storage box under stress is optimized, local stress concentration is reduced, and the durability and reliability of the storage box are improved; due to the uniform division and through seam design of the support ring beam and the hinging mode of the ring beam fixing plates, the manufacturing process is simplified, the manufacturing efficiency is improved, and meanwhile the multiple layers of ring beam positioning blocks which are annularly arranged are beneficial to improving the assembling accuracy and reliability; the design that the detection sensors are fixedly installed on the middle cylinder support and the end socket support enables detection and maintenance of the storage box to be more convenient, the state of the storage box can be monitored in real time, and safe operation of the storage box is guaranteed.

The application provides a spring loading device, a bagged spring string manufacturing device and method. The spring loading device comprises a compression assembly and a first pushing assembly. The compression assembly defines a first conveying channel, which extends in the transverse direction and comprises a compression section and a holding section. The spring is compressed in the compression section and is sent into a cloth bag in the compressed state in the holding section. The first pushing assembly comprises a first actuating member. The first actuating member pushes the steel wire on one side of the spring to make the spring enter the holding section from the compression section in the first conveying channel and is turned over before entering the holding section. The spring loading device can integrate the compression and turning over of the spring together, reduces the required links in the spring loading process, and helps to improve the manufacturing efficiency of the bagged spring string.

The embodiment of the invention relates to the photovoltaic field, and provides a back contact battery and a manufacturing method thereof, and a photovoltaic module, and the manufacturing method comprises the steps: providing a substrate with a first surface and a second surface which are opposite in a first direction, and the second surface is provided with first regions and second regions which are alternately arranged in a second direction; forming a dielectric layer on the second surface; sequentially forming a doping layer and a silica glass layer which are both provided with doping elements on one side, far away from the substrate, of the dielectric layer, wherein the molar percentage content of the doping elements in the silica glass layer is 5%-10%; removing the silica glass layer on the first area or the second area; and performing etching treatment by taking the residual silica glass layer as a mask layer, and removing the doping layer and the dielectric layer which are not covered by the mask layer, thereby at least facilitating the improvement of the manufacturing efficiency of the back contact cell.

The present application relates to the technical field of sleeve manufacturing, and particularly relates to a manufacturing method of heat-shrinkable sleeve, comprising the following steps: determining whether a to-be-expanded sleeve sample appears wrinkles in an expansion process based on a wrinkle state evaluation value; extracting wrinkle features of a wrinkle area of the to-be-expanded sleeve sample in the expansion process, determining whether expansion uniformity of the to-be-expanded sleeve sample is up to standard based on wrinkle generation characteristic parameters, and determining to adjust expansion temperature or expansion pressure of the to-be-expanded sleeve according to a difference value; determining whether thermal stability of the to-be-expanded sleeve sample in the expansion process is qualified based on a thermal distribution value of the wrinkle area, and determining to adjust a hot air blowing speed of the to-be-expanded sleeve according to a relative difference; determining whether expansion stability of the to-be-expanded sleeve sample is up to standard based on a wrinkle resilience coefficient, and determining to adjust an expansion time of the to-be-expanded sleeve according to a ratio; and obtaining a target heat-shrinkable sleeve under the condition that the to-be-expanded sleeve does not appear wrinkles in the expansion process. The present application improves manufacturing efficiency of the heat-shrinkable sleeve.