144 results about "Process manufacturing" patented technology

The invention discloses a method for manufacturing 7072 alloy high-performance air conditioner foil in a low-carbon, efficient and short-process mode, and relates to the technical field of aluminum foil machining. S2, continuous casting and rolling; s3, cold foil rolling; s4, finished product annealing; and S5, checking and packaging. Through component adjustment, iron and silicon alloy elements are controlled at the lower limit of the national standard, generation of coarse aluminum-iron-silicon phases is reduced, and low ductility caused by coarse grains after finished product annealing is avoided; in the cold foil rolling process, indexes of a working roll and rolling oil are adjusted, process parameters are optimized, the blank is directly rolled into a finished product, the direct rolling process is beneficial to improving the mechanical property of the finished product, and punching production of downstream customers is facilitated; and after triple continuous rolling is finished, subsequent cold foil rolling continuous rolling is rapidly arranged, deformation heat generated by triple continuous rolling and rolling of each pass is fully utilized, and large-machining-rate rolling of each pass is achieved.

The invention belongs to the technical field of intelligent manufacturing, and particularly relates to a manufacturing quality prediction method and system based on a multi-mode sequential network and application, and the method comprises the steps: carrying out the preprocessing of the sequential data of a process manufacturing production line, obtaining a sample set, and carrying out the sequential division into a training set, a verification set and a test set; on the basis of the sample set, key features are enhanced through a frequency domain enhanced channel attention mechanism, a multi-period mode of a time sequence dependence and period sensing module is captured in combination with a multi-layer expansion convolutional network structure, and a multi-mode time sequence network model is constructed; and sequentially carrying out training set training, verification set parameter adjustment optimization and test set performance verification on the multi-modal sequential network model, and outputting a prediction result. According to the method, the deep dynamic association among the multivariable time series data can be mined, the accuracy and robustness of manufacturing quality prediction are improved, and an efficient and reliable technical scheme and an implementation path are provided for process industry quality control and intelligent optimization.

The invention introduces a short-process manufacturing process of aluminum foil for a high-strength 8021 alloy container, and relates to the technical field of aluminum foil processing, and the short-process manufacturing process comprises the following specific steps: S1, smelting; s2, on-line treatment of the melt; s3, continuous casting and rolling; s4, cold foil rolling; s5, annealing a finished product; and S6, checking and packaging. According to the method, homogenizing annealing and even after-process cold foil rolling production are not needed, components can be utilized, the blank can be discharged from a machine for preheating, blank waste heat can play a role in eliminating internal stress through low-temperature tempering, the subsequent rolling deformation resistance is reduced, and the low-carbon production concept is really practiced; the single-pass machining rate of cold foil rolling is larger, the number of rolling passes is smaller, rolling is easier, production is easier, the production cost of cold foil rolling and foil rolling can be effectively reduced, and economic benefits of industrial production are achieved.

The invention relates to an enclosure frame paper box forming main machine and an enclosure frame paper box forming production line, a first mold staying position of the enclosure frame paper box forming main machine is provided with a box bottom plate assembling device on the outer end face of a box bottom plate mounting mold, and a second mold staying position is provided with an enclosure frame box body embracing device of a box body paperboard surface paper laminating material enclosure mold. The third mold staying position is provided with an enclosure frame box body upper side outer wall paper supplementing and mounting cover device, and the fourth mold staying position is provided with a demolding and box discharging device. The enclosure frame box body upper side outer wall surface paper supplementing and cover mounting device independently supplements a piece of complete surface paper to the upper side outer wall of the horizontal enclosure frame box body for cover mounting at the third mold stop position in a matched mode, a new manufacturing mode is provided, different process manufacturing requirements are met, cover mounting is more stable, efficiency is relatively high, and the production cost is reduced. The outer wall of the upper side of the horizontal type enclosure frame box body does not need to mount the surface paper in advance, and the box body material does not need to be enclosed by the surface paper to form the enclosure frame box body.

The invention discloses a digital driving method for a full-flow manufacturing process of a high-precision shell casting, which comprises a casting stage, a heat treatment stage and a machining stage, and is characterized in that digital data streams are established among three process links of the casting stage, the heat treatment stage and the machining stage; and the output data of the previous process is used as a process adjustment basis of the subsequent process, so that a datamation-driven closed-loop manufacturing system is formed. The invention provides a set of effective systematic solution for high-precision production of thin-wall shell castings.

The invention discloses a process manufacturing method of a cut image, which belongs to the technical field of laser cutting, and comprises the following steps of: acquiring a grid area covered by a cut graph of a material to be processed, dividing the cut graph into a plurality of vector diagrams according to the grid area, and performing slotting compensation processing on each vector diagram to obtain a corresponding cutting track; obtaining attribute information of the multiple primitives, determining a reference point of the vector diagram according to the attribute information of the primitives and the cutting trajectory, determining a light-off position on the primitives according to the reference point, the included angle and the vertex, and performing path optimization on the vector diagram according to the light-off position and the cutting trajectory to obtain a target cutting trajectory, the laser machining parameters of the cutting pattern are set based on the target cutting track and the to-be-machined material, hole blasting or hole punching caused by unstable laser of the cutting starting point can be prevented, it is guaranteed that the cutting effect of the to-be-cut material is optimal, the size precision meets the requirement, and the laser cutting efficiency is also improved.

The invention discloses a multi-model fusion process quality prediction method based on ensemble learning, and relates to the technical field of process industry quality prediction. The method comprises three stages of data preprocessing, model construction and model fusion. In the data preprocessing stage, cleaning, normalization and feature screening are performed on multi-process production data; in the model construction stage, an overall prediction model and a segmented prediction model are constructed respectively, the overall prediction model adopts RF, LightGBM and KNN algorithms, and the segmented prediction model adopts an LSTM-KAN combined neural network; in the model fusion stage, prediction results of the two models are fused through an XGBoost ensemble learning algorithm, and advantage complementation is achieved. According to the method, the quality prediction problem caused by high process coupling degree and remarkable nonlinear relation in complex process manufacturing is effectively solved, the prediction precision and generalization performance are improved, and the method is suitable for a multi-process complex production scene.

The invention discloses a process manufacturing factory material scheduling system based on intelligent agents. The system comprises a central coordination intelligent agent, a plurality of process intelligent agents, a video subsystem and a trolley subsystem. The scheduling method based on the system comprises the following steps: S1, initializing the system; s2, real-time state monitoring; s3, dolly scheduling decision making: the process agent calculates the priority of each transport task according to the priority function; s4, according to the queue capacity of the downstream workshop and the current outlet material quantity, S5, path decision making; s6, returning a path decision; s7, performing global optimization adjustment; s8, performing exception handling and cooperative adjustment; according to the invention, organic combination of local autonomy and global coordination is realized, the real-time response capability of the system is ensured, global optimization is also realized, and compared with traditional centralized control, the system is faster in response; multiple constraint conditions and optimization targets are considered, the average waiting time of materials can be reduced by one third, and the trolley utilization rate can be improved by one fourth.

The invention discloses a mask layout processing method and device, electronic equipment and a storage medium, and the method comprises the steps: obtaining a plurality of mask layouts including cutting mask layouts and to-be-processed mask layouts, each cutting mask layout including a cutting pattern, and the to-be-processed mask layouts including isolated cutting patterns; adding an initial pseudo graph corresponding to the isolated cut graph in the mask layout to be processed based on the cut graph in the cut mask layout; predicting a simulation ADI result of the isolated cutting graph based on graph information of the isolated cutting graph in the to-be-processed mask layout added with the initial pseudo graph; when the simulation ADI result does not meet the preset condition, the initial pseudo graph is adjusted, and the graph information is updated based on the adjusted initial pseudo graph until the simulation ADI result meets the preset condition, and a target cutting mask layout corresponding to the to-be-processed mask layout is obtained. The problem that the process manufacturing requirement cannot be met due to the fact that the etching deviation of isolated cutting patterns is small is solved.

The invention relates to the technical field of data management, in particular to an industrial data management control system and method for furniture customization, and the system comprises a pre-selected scheme preliminary making module, a scheme multi-source data reasonability judgment module, a scheme evaluation and screening module, and an early warning signal generation and processing module. The scheme multi-source data rationality judgment module is used for performing periodic processing test on different product prediction assembly schemes in sequence, analyzing product qualification conditions by combining corresponding periodic processing test reports, and calculating comprehensive benefit conditions of corresponding products according to analysis results; according to the method, the benefit condition generated by the combination scheme of different parts in the product production in the to-be-monitored area is analyzed and obtained, the optimal process manufacturing scheme is generated in combination with the benefit condition, and the optimal process manufacturing scheme is calibrated in real time in combination with the corresponding product demand list, so that the production efficiency is improved, the product production flexibility is improved, and the product quality is improved. And maximization of the production benefit of the product is realized.

The invention belongs to the technical field of ferrous metallurgy and material modification, and particularly relates to a preparation method of green short-process hot work die steel, which comprises the following steps: obtaining scrap steel, adding alloy, and smelting to obtain molten steel; the molten steel is refined through fluoride-free rare earth refining slag, and refined molten steel is obtained; adding a nanoparticle modifier into the refined molten steel to obtain modified molten steel; and the modified molten steel is subjected to continuous casting or die casting, and the hot work die steel is obtained. According to the method, the fluorine-free rare earth slag refining and nano particle modification combined technology is adopted, fluorine-containing refining slag and traditional electroslag remelting are effectively replaced, power consumption and carbon emission in the smelting process are reduced, the technical development requirements of current green manufacturing and dual-carbon targets are met, and green short-process manufacturing of the hot work die steel is achieved; and the prepared hot work die steel has higher cleanliness, a more uniform organization structure and more excellent thermal fatigue performance.

The invention discloses a process information processing method and device for an Office platform, electronic equipment and a storage medium, and the method comprises the steps: obtaining an Office file containing a plurality of pieces of process information, and defining each piece of process information as an object; constructing a regular expression of the feature identification code of the object; screening all the objects in the Office file according to the regular expression to form an object set; matching the objects in the object set with preset objects; and if the matching is successful, processing the successfully matched object, and if the matching is not successful, ending. According to the method, the process information in the office file is matched and processed through the regular expression of the feature identification code, the compiling efficiency of the process information in the process manufacturing process is improved, and the reliability of the process information conversion process is improved.

The utility model belongs to the technical field of automobile cooling systems, and particularly relates to a cooling system which comprises a heating source, a radiator, a water pump and an expansion kettle, the heating source is communicated and connected with the radiator through the water pump, the radiator is communicated and connected with the expansion kettle through an exhaust pipe and a water supplementing pipe, a cooling fan is arranged on the radiator, and the expansion kettle is a non-pressure kettle. The expansion kettle has the advantages that the expansion kettle does not have pressure design, and does not participate in system circulation, so that the expansion kettle has the characteristics of low temperature, no pressure, flexible arrangement, good durability and the like in the use process; and meanwhile, the structural design and process manufacturing of the expansion kettle can be simplified, the expansion kettle can be manufactured by adopting cheaper materials and adopting blow molding and other processes, and the material cost and the mold cost are greatly reduced.

The invention provides a panel for surface decoration and a processing method thereof, and relates to the field of surface decoration, the panel for surface decoration and the process manufacturing method thereof are characterized in that a texture layer, an injection molding layer and a surface protection layer with specific components and structures are arranged, and optimized process parameters are combined, so that the surface decoration quality is improved; according to the invention, the combination of high simulation degree and lightweight structure of the natural stone texture is realized, the interlayer bonding strength and surface wear resistance are ensured, and the method has the advantages of high texture trueness, excellent structural strength and high production efficiency.

Industrial Internet of Things for automatic executing product manufacturing based on a task is provided. The Industrial Internet of Things is configured to generate a product manufacturing task and a first instruction corresponding to the product manufacturing task, determine manufacturing process information based on the first instruction, decompose the manufacturing process information and generate sub-process manufacturing data, compose a set of manufacturing data based on the sub-process manufacturing data and the process execution time, perform a manufacturing feasibility analysis based on the set of manufacturing data, in response to a determination that an analysis result of the manufacturing feasibility analysis is feasible, perform the product manufacturing corresponding to sub-process based on the sub-process manufacturing data.

The invention provides a short-process manufacturing method of 3Cr13 high-carbon martensite chromium stainless steel for a cutter. The 3Cr13 high-carbon martensite chromium stainless steel for the cutter comprises the following chemical components in percentage by weight: 0.29-0.31 wt% of C, less than or equal to 0.45 wt% of Si, 0.50 wt% of Mn, less than or equal to 0.030 wt% of P, less than or equal to 0.008 wt% of S, less than or equal to 0.006 wt% of N, 12.20-12.50 wt% of Cr, less than or equal to 0.20 wt% of Ni and the balance of Fe. The short-process manufacturing method of the 3Cr13 high-carbon martensite chromium stainless steel for the cutter comprises the following steps: smelting 400-series stainless steel waste serving as raw materials in an alloy melting furnace, tapping with slag, carrying out LF (ladle furnace) refining, continuously casting, carrying out hot delivery, carrying out hot rolling, inspecting, blackening, annealing, pickling and obtaining a white-skin finished product. According to the method, the defects of cracks, scabs and pits on the surface of the casting blank are eliminated, and C-type center segregation is smaller than or equal to 1.0 grade.

The utility model discloses an integrated arc extinguishing system structure, which relates to the technical field of direct current contactors and comprises arc extinguishing chambers, a moving contact assembly and static contact assemblies, the two sides of the moving contact assembly are respectively and symmetrically connected with independent arc extinguishing chambers, the upper sides of the arc extinguishing chambers on the two sides are respectively and correspondingly provided with the static contact assemblies, and the static contact assemblies are respectively and correspondingly connected with the moving contact assembly. Two sides of the movable contact assembly are provided with movable arc striking sheets, the static contact assembly is provided with static arc striking sheets, each independent arc extinguishing chamber is correspondingly provided with a movable arc striking sheet and a static arc striking sheet, and one side, close to the movable contact assembly, of each movable arc striking sheet and one side, close to the movable contact assembly, of each static arc striking sheet are correspondingly arranged. The arc extinguish chambers symmetrically arranged on the two sides of the moving contact assembly are the same in structure and have a good arc extinguish effect, and the contactor is small in size, high in operation load, relatively simple in arc extinguish structure and process manufacturing and low in cost.

The application provides a motor rotor and a self-starting synchronous reluctance motor. The motor rotor comprises a rotor core (1), and the rotor core (1) is provided with filling grooves and slit grooves (2). The filling grooves comprise non-independent filling grooves (3) and q-axis filling grooves (4). The non-independent filling grooves (3) are separated from the slit grooves in the same layer by a separation rib (5). The width of the separation rib (5) in the d-axis direction is L. The width of the end of the filling groove arranged in the same layer as the separation rib (5) close to the separation rib (5) is M. The relationship between L and M satisfies 0.2M≤L≤0.35M. Meanwhile, the width of the end of the slit groove (2) arranged in the same layer as the separation rib (5) close to the separation rib (5) is K, and K satisfies K≤M. According to the motor rotor, the mechanical strength of the rotor can be enhanced, the deformation of the rotor in the manufacturing process can be reduced, and the difficulty of the process manufacturing is reduced.

The application discloses a manufacturing method of a high-shielding flexible plate and the high-shielding flexible plate, and provides the flexible plate, which comprises a first film layer, a circuit copper layer and a second film layer, and the first film layer and the second film layer are respectively arranged on the upper and lower surfaces of the circuit copper layer; the flexible plate is subjected to roughening treatment; a silver paste pattern layer is screen-printed on the first film layer, and baking and curing are carried out; a third film layer is attached to the silver paste pattern layer after curing, and rapid pressing is carried out to form the high-shielding flexible plate. The silver paste pattern layer with high shielding characteristics is manufactured on the film layer, and another film layer is manufactured on the silver paste pattern layer to form a good double-layer pattern and double-layer film layer structure, and a reliable process manufacturing method is formed, the high shielding characteristics can be effectively realized, the flexibility of the flexible circuit board itself is not affected, and the flexible plate with high shielding performance can be provided for connectors and high-precision instruments.

The present invention discloses a flexible manufacturing process mechanism model for implementing a process and a construction method thereof. The model is composed of three parts: a flexible manufacturing process knowledge graph, a parameter calculator, and an action executor. The flexible manufacturing process knowledge graph can be structurally divided into an abstract concept layer, a concept instance layer, and a capability layer, and from different perspectives of knowledge, a composition view, a machine resource view, a process view, and a mode view can be abstracted. The action executor is responsible for executing the robot-executable actions obtained through reasoning. The parameter calculator is responsible for calculating the parameter values required for various robot actions according to the process mechanism and the manufacturing resources in the specific process manufacturing scenario deduced. The above three parts cooperate with each other and complement each other, enabling the model to control the robot to realize the intelligent path planning of the manufacturing process according to the manufacturing requirements.

The invention provides a rib through hole optimization design method, and belongs to the field of airplane rib strength design. According to the rib through hole optimization design method, finite element software is utilized to simulate rib load, structural internal force is extracted, optimal geometric parameters of rib through holes are determined by referring to a mature engineering algorithm and wing surface design requirements through a parameterization means on the basis of meeting strength and rigidity from the aspect of process manufacturing, and the rib through hole with low manufacturing cost and high design efficiency is designed. And the light-weight structure product is simple in process molding. According to the method, on the premise that process manufacturing factors are considered in the design of the rib through hole structure, rapid iterative calculation is carried out, a lightweight configuration is obtained, and the overall safety, economy and reliability of the structure are guaranteed, the use performance potential of materials is fully excavated, the design period is shortened, and the cost is saved.

The application discloses a method for preparing Ti80 titanium alloy flat ingot based on an electron beam cold bed furnace and high return material melting and casting, uses Ti80 titanium alloy return material as raw material, uses VAR ingot cutting material as VAR compensation material, and optimizes the material distribution structure, so that the EB melting element burning loss is precisely controlled, the Ti80 titanium alloy flat ingot with qualified and controllable components is prepared by using a large proportion of Ti80 titanium alloy return material, the component unevenness problem under the high return material ratio is solved, and core technical support is provided for short process manufacturing of Ti80 plate.

The invention provides an atmospheric semiconductor detector and a manufacturing process thereof, and relates to the field of semiconductor detectors. The invention provides a process manufacturing flow of a front-end module. Secondly, the invention provides the front-end module prepared by the process manufacturing flow described in the first aspect of the invention. The invention further provides an atmospheric semiconductor detector which comprises the front-end module in the second aspect of the invention. The invention further provides a use of the front-end module as described in the second aspect of the invention as a detection element of the atmospheric semiconductor detector as described in the third aspect of the invention. In the fifth aspect, the invention provides an assembling method of the atmosphere type semiconductor detector in the third aspect. The frame refresh rate of the atmospheric semiconductor detector provided by the invention is greater than or equal to 1kHz, the dynamic range is greater than or equal to 104ph. / pixel / pulse (at) 12keV, the atmospheric semiconductor detector has single photon sensitivity, S / N is greater than or equal to 5 (at) 12keV, the pixel size is less than or equal to 200 microns * 200 microns, the number of pixels is greater than or equal to 65536, the sensitive area is greater than or equal to 2.5 cm * 10.2 cm, the quantum efficiency is greater than or equal to 80% (at) 12keV, and the response energy region is 6keV-20keV.

The application discloses a production rhythm dynamic evaluation method and system based on multi-attribute process constraints, relates to the tobacco technical field, and is suitable for the process manufacturing scene of mixed production arrangement of multiple brands. The method solves the problems of distortion of traditional static evaluation standards, broken cross-day production data, and difficulty in quantifying process coordination efficiency, provides dynamic and accurate benchmarks for production rhythm evaluation, and supports lean production landing in a tobacco silk workshop. In the method, step S1 realizes semantic alignment of production data, guarantees production shift analysis integrity; step S2 constructs a multi-attribute process constraint system, adapts to different process production requirements; step S3 generates differentiated theoretical working hour benchmarks, eliminates systematic deviation of the evaluation system; step S4 separates time deviation interference components, improves delay judgment accuracy; step S5 realizes automatic identification of delay events, reduces manual statistical lag; and step S6 locates key links of capacity constraints, and provides quantitative basis for production scheduling optimization.

The invention belongs to the field of PCB (printed circuit board) processing, and particularly relates to a PCB resin hole plugging and resin board grinding technological process manufacturing method. The method comprises the following steps: S1, drilling: drilling a PCB by using a numerical control drilling machine; s2, copper plating: performing PTH copper deposition treatment on the PCB to form a hole wall initial conductive layer, then performing cleaning and drying, performing copper treatment on the dried PCB, and thickening a copper layer of the hole wall to form a stable conductive layer; s3, negative film drying is conducted, the designed circuit pattern is subjected to the PCB resin hole plugging and resin board grinding process in the production process through the process of film pasting, exposure and development, the production process, production control and quality control of the PCB resin hole plugging and resin board grinding process can have a unified operation mode and control method, the production efficiency is improved, and the production cost is reduced. The process quality of the resin plug hole and the resin grinding plate is improved, and the conditions that the copper thickness is insufficient / too thick, the copper thickness is uneven and the plug holes are uneven in the actual production process of the resin plug hole and the resin grinding plate are avoided.

The invention discloses a manufacturing process for ensuring the smoothness of a circuit board, which is characterized in that after a hollow area on a main board is filled with a filling adhesive tape, the surface of the whole product is smoother, the stress is uniform during the subsequent lamination, the bonding force of the laminated product is better, the laminated product is smoother, and the product quality is improved. The filling adhesive tape can cut off the adhesive position of the waste material area during final shape manufacturing and cutting, the non-adhesive filling adhesive tape of the finished product area is taken out, the whole process manufacturing is completed, the method is suitable for all products with hollowed-out areas on the board surfaces for circuit manufacturing, stress can be even during subsequent pressing, it is guaranteed that the bonding force of the pressed products is better, and the product quality is improved. And the pressed product is smoother, and the percent of pass is higher.

The application discloses a kind of key equipment intelligent diagnosis method and system for rotating machinery, it is related to the technical field of fault diagnosis and prediction, including, with physical inspiration as guidance, in feature learning stage, introduce bounded metric encapsulation mechanism, traditional unbounded feature space is mapped into bounded similarity manifold, to suppress high-dimensional space distance concentration effect and improve inter-class separability and intra-class compactness.In bounded metric space, realize multi-fault identification by combining near neighbor or support vector classifier.The application has significant improvement in weak fault (germination period) detection, composite / multiclass fault distinction and robustness under low signal-to-noise ratio condition, has good explainability and engineering deployment value, is suitable for the predictive maintenance and online health monitoring of wind power, rail transit, aerospace and process manufacturing and other scenes.

The present invention provides a rapid development framework and method for inventory management software of process manufacturing enterprises. The development framework includes an interface layer, a service layer, and a data layer. The interface layer has built-in basic components, the service layer has a built-in microservice architecture, and the data layer includes a MySQL database and an object model management module. Both the basic components and the microservice architecture access the database through the object model management module. The development method includes: inventory management business analysis of process manufacturing enterprises, data modeling, rapid construction of the interface, and rapid construction of the business process model. The present invention uses a microservice architecture to make the inside of the development framework loosely coupled, distinguishes the front-end interface logic from the back-end process business logic, and improves the flexibility and scalability of the development framework through a development method of drag-and-drop and attribute configuration, effectively reducing the software development difficulty, development cost, and development technical threshold of inventory management in process manufacturing enterprises.

The application discloses a circuit board manufacturing method of embedding carbon oil resistance, comprising the following steps: taking a double-sided copper-clad plate, manufacturing a circuit pattern including a carbon oil connecting pattern, the carbon oil connecting pattern including a wire end and a connecting end, the width of the connecting end being greater than that of the wire end, pasting dry films to both sides, manufacturing a dry film window pattern in the area corresponding to the carbon oil pattern on the side where the carbon oil connecting pattern is located, performing plasma treatment, then removing the film, manufacturing a carbon oil layer in the carbon oil pattern area, taking a bonding layer prepreg, taking other layer core plates, stacking and pressing the carbon oil plate together, and performing post-process manufacturing to form the circuit board of embedding carbon oil resistance; by designing the connecting end, the carbon oil layer has a larger bonding area, the bonding force of the carbon oil layer is increased, the prepreg is stacked on the surface of the carbon oil layer, the interlayer bonding force of the carbon oil layer is improved, and the problems of falling off, multilayer board delamination and even multilayer board explosion caused by poor bonding of the carbon oil layer are solved.

The utility model provides an edge roller occlusion part tripod welding positioning device which comprises a first welding tool and a second welding tool, the first welding tool and the second welding tool are arranged according to the inner space of an edge roller occlusion part tripod and the size of a weldment, the second welding tool is placed in the first welding tool, and the first welding tool is arranged in the first welding tool. And a weldment to be welded on the tripod of the occlusion component of the edge roller can be supported. When the welding positioning device is used for completing assembling and welding, the procedure manufacturing process is optimized, the scribing procedure and the correcting procedure in the prior art are omitted, the manufacturing time and the labor cost are saved, and the production efficiency is multiplied by adopting concentrated assembly spot welding during batch welding of a tripod serving as an occlusion component of the edge roller; according to the welding positioning device, standard welding means and method are adopted, and uniformity and stability of product characteristics are achieved.