47results about How to "Consistent size" patented technology

The present invention relates to the field of non-standard automation technology, in particular to an end cap rotary cutting assembly system and method for an injection-molded bottle body, comprising an injection molding machine, an injection molding transfer mechanism, a conveying mechanism, a first positioning mechanism, a first clamping mechanism, a rotary cutting mechanism, a second positioning mechanism, a second clamping mechanism and an end cap assembly mechanism, wherein the injection molding machine is used for bottle body injection molding, the injection molding transfer mechanism comprises an injection molding material picking component and an injection molding conveying component, the injection molding material picking component is used for grabbing the injection-molded bottle body on the injection molding machine and placing it on the injection molding conveying component, the injection molding conveying component is used for conveying the bottle body toward the conveying mechanism, the conveying mechanism is used for bottle body conveying, the first positioning mechanism is used for positioning the bottle body on the conveying mechanism, the first clamping mechanism is used for clamping the positioned bottle body and conveying it toward the rotary cutting mechanism, and the rotary cutting mechanism is used for ring cutting at the port on the bottle body; the present invention realizes full-chain automated operation from injection molding to end cap assembly through integrated and automated design.

The invention relates to vibrating diaphragm direct welding equipment and a vibrating diaphragm direct welding method for a moving coil and flat plate combined earphone. The equipment comprises a solder smearing mechanism, an image positioning mechanism, a laser source, a galvanometer mechanism, a spraying mechanism, a displacement mechanism, a controller and other key components. In the welding process, the device accurately recognizes the position of the metal ring through the image positioning mechanism, laser welding of a welding hole in the metal ring and laser cutting of a vibrating diaphragm base material outside the metal ring are achieved at the same time in one-circle scanning through the laser source and the galvanometer mechanism, and the size of the cut metal ring is equal to that of the vibrating diaphragm base material; complex steps and errors caused by independent positioning of the vibrating diaphragm in the prior art are avoided. The high-precision processing capability of the equipment ensures the precision and consistency of diaphragm manufacturing, and the production efficiency and the product quality are improved.

The connector inner hole chamfering machining device comprises a bottom supporting support, a mounting base plate is arranged on the upper surface of the bottom supporting support, a connector containing base is arranged on the mounting base plate, and the connector containing base comprises a vertical supporting support, a guide plate mounting frame, a bar guide plate and a discharging assembly. By means of the design of the automatic discharging assembly, regular and quantitative supply of bars is achieved, frequent manual material adding is avoided, the labor intensity of workers is reduced, the production efficiency is improved, and the requirement for batch production and large-scale production is met; through cooperative work of the inner hole machining assembly and the connector positioning mechanism, the dynamic precision and the repeated positioning precision in the machining process are ensured, errors caused by manual operation are reduced, and the requirements of the modern manufacturing technology for high precision and high efficiency are met. And by adjusting the angle of the trimming assembly, different inner hole machining positions and requirements can be met, and the adaptability of equipment is improved.

The invention discloses a machining method of a titanium alloy shell, and belongs to the technical field of titanium alloy machining. The machining method comprises the following steps that S1, material picking is conducted, specifically, raw materials for machining the titanium alloy shell are picked according to marks; s2, heat treatment: carrying out heat preservation on the raw materials at 750 + / -10 DEG C for 1-2 hours, and carrying out furnace cooling; s3, multiple turning 1: flattening an end face, turning an outer circle and an inner hole, and keeping the allowance of 1mm on a single face; after completion, clamping and aligning the reverse side, leveling the total length, turning an inner hole, and keeping the margin of 1mm on a single side; s4, annealing: keeping the temperature of the material after turning at 600 + / -20 DEG C for 1-2 hours, and cooling along with the furnace; s5, second turning is conducted, specifically, clamping and alignment are conducted, the end face is flattened, the outer circle is turned till all the faces are shiny, and the jump is smaller than 0.03; finely turning an inner hole and an end surface; s6, numerical turning 3: turning an outer circle; s7, numerical milling: milling a threaded hole and a notch; s8, deburring is conducted; s9, performing inspection; and S10, the titanium alloy shell finished product is kept at the temperature ranging from-60 DEG C to-120 DEG C for 1-2 hours. According to the scheme, the problem that internal stress is prone to occurring in the existing titanium alloy shell machining process is solved.

The utility model discloses an assembly structure for synthesizing diamonds by a high-temperature and high-pressure method, which relates to the technical field of diamond synthesis and comprises an outer layer structure, a middle layer heating and insulating system, a core reaction layer and a top covering layer which are sequentially arranged from outside to inside, the outer-layer structure comprises a pyrophyllite composite block, a pyrophyllite ring surrounding the outer side of the pyrophyllite composite block and a conductive steel cap fixed to the top, the middle-layer heating and insulating system comprises a heating sleeve embedded into the pyrophyllite composite block, a heating piece is arranged in the heating sleeve, a magnesium oxide insulating sleeve is wrapped in the heating piece, and the outer-layer structure and the middle-layer heating and insulating system are arranged in the heating sleeve. A vertically supported thick zirconium oxide column is arranged below the heating sleeve, the core reaction layer comprises a magnesium oxide crystal bed, a carbon source is placed on the magnesium oxide crystal bed, alloy is distributed around the carbon source, and the top covering layer comprises a thin zirconium oxide column covering the core reaction layer. The problems that in the prior art, obtained seeds with high carbon content grow fast, but the impurity removal capacity is weak, and the quality is poor are solved; the seeds with low carbon content are good in quality but small in size, and the economic benefit is low.

The utility model relates to the technical field of aluminum plate machining, in particular to an arc-shaped aluminum plate punching machine. The arc-shaped aluminum plate punching machine comprises a box body, a collecting assembly is arranged on the inner bottom wall of the box body, a shell is fixedly connected to one side of the upper portion of the box body, a clamping assembly is arranged on the inner side of the shell, an aluminum plate body is installed on the inner side of the clamping assembly, and a connecting block is fixedly connected to one side of the top end of the box body. A hydraulic push rod is installed on one side of the bottom end of the connecting block, a threaded column is fixedly connected to the output end of the hydraulic push rod, a replaceable punching block is in threaded connection to the side face of the threaded column, a protective shell is fixedly connected to one end of the shell, and a supporting column is fixedly connected to the bottom end of the box body. The arc-shaped aluminum plate punching machine has the advantages that the arc-shaped aluminum plate punching machine can adapt to aluminum plates with different lengths and is stable in clamping, and machined finished products can be conveniently collected.

The invention relates to the technical field of roadbed detection equipment, and discloses a fly ash roadbed compactness detection device which comprises a pulling vehicle, a supporting frame is arranged on the pulling vehicle, a driving mechanism and a detection mechanism are arranged on the supporting frame, and the detection mechanism comprises a connecting frame, a plurality of lifting mechanisms, a sand measuring mechanism, a cleaning mechanism, a pit digging mechanism, a collecting mechanism and a base plate. The lifting mechanism comprises a vertical frame and a lifting table, the driving mechanism drives the detection mechanism to rotate, the sand measuring mechanism discharges and weighs standard sand, the cleaning mechanism cleans a roadbed, the pit digging mechanism digs pits in the roadbed, the collecting mechanism collects the standard sand in roadbed holes after detection, and the base plate positions the roadbed detection position. The coal ash roadbed compaction degree detection device realizes standardization, precision and high efficiency of coal ash roadbed compaction degree detection, the whole process of the device replaces manual operation by machinery, the problems of hole wall collapse, sand scattering, impurity residue and the like are effectively avoided, and the labor intensity of detection personnel is greatly reduced.

The invention discloses a micro-rectangular socket jack bending device, and aims to solve the problems of poor quality consistency and low efficiency during manual bending of micro-rectangular connector jacks. The device comprises a bottom plate, a bending base, a supporting rod and a positioning block. A to-be-bent inserting hole is arranged on the supporting rod in a sleeved mode and fixed through the inserting hole positioning block. One end of the supporting rod is connected with the tension spring through the hanging pin to achieve automatic reset. The core of the invention lies in that the front and back bending positions of the product are accurately adjusted through the micrometer head, and the jack is stressed and bent by pulling the bending pressure head. In the bending process, the supporting rod synchronously rotates along with the inserting hole, and after bending is completed, the elastic force of the tension spring drives the supporting rod and the pressing head to automatically reset through the hanging pin. Precise control over the bending size is achieved through the micrometer head, continuity and consistency of operation are guaranteed through the tension spring reset mechanism, and the bending quality and production efficiency of products are greatly improved.

This utility model discloses a circular column keel forming mold, comprising: an annular mold plate for supporting a first strip and positioning the bending path of the first strip as circular; and multiple limiting clamps for engaging the bent sections of the first strip with the annular mold plate to ensure that the first strip bends along the bending path. This utility model places the bendable column keel to be formed along the annular mold and uses the limiting clamps to maintain its shape while shaping it, ensuring that all formed circular column keels are standard circles with consistent dimensions.

The utility model discloses a geotechnical test piece and workpiece demoulding all-in-one machine, which belongs to the technical field of civil engineering and comprises a support frame body, a plurality of pressure oil cylinders are arranged at the lower end in the support frame body, and the output ends of the pressure oil cylinders are connected with the lower end of a lower pressure rod; a lubricating oil storage tank is arranged at the upper end in the supporting frame body, the upper end of the lower pressure rod penetrates through the lubricating oil storage tank, and a plurality of grooves are formed in the outer surface of the lower pressure rod. The demolding efficiency of the workpiece can be improved, the requirement of a mechanical property test is met, and a plurality of geotechnical test pieces with the same size are formed at a time; and the oil brushing efficiency of the inner surface of the mold can be improved, oil brushing is more uniform, and adhesion during demolding is effectively avoided.

This utility model relates to the field of gypsum board production technology and discloses a dustproof cutting device for gypsum board production. It includes a workbench, a gas storage tank fixedly connected to the top center of the workbench, an air pump fixedly connected to the bottom inner wall of the gas storage tank, a hose fixedly connected to the bottom of the air pump, and the outer wall of the hose penetrating and fixedly connected to the top center of the workbench. A valve is fixedly connected through the middle of the outer wall of the hose, and a vortex chamber is fixedly connected through the bottom of the hose. A separation plate is fixedly connected to the rear end of the inner wall of the vortex chamber. In this utility model, the vortex chamber and other components rapidly cool the cutting blade, stabilizing the blade temperature, reducing wear, ensuring blade edge quality, and precisely controlling the cooling capacity. A second motor and other components precisely position and cut the gypsum board, ensuring consistent gypsum board dimensions, reducing the defect rate. The device is simple and efficient to operate, allows for rapid position adjustment, improves production efficiency, and ensures a high pass rate.

The invention relates to an automatic milling cutter repairing device and method, and relates to the technical field of machining, the automatic milling cutter repairing device comprises an electric automatic graduator, a fixing shaft arranged on one side of the electric automatic graduator, a milling cutter arranged at the end of the fixing shaft and a grinding wheel arranged on one side of the milling cutter, and an expansion sleeve used for being connected with the milling cutter is arranged on the fixing shaft. According to the invention, the milling cutter can be accurately ground, and the thickness and the inclination angle of each blade are consistent, so that the cutting efficiency and the processing quality of the milling cutter are improved, and the potential threat to the surface quality of a workpiece is reduced.

The invention discloses a high-speed plastic vacuum forming machine, and relates to the technical field of plastic vacuum forming machines, the high-speed plastic vacuum forming machine comprises two groups of mounting racks which are arranged in parallel front and back, connecting frames are fixedly connected to the left and right ends between the two groups of mounting racks, a fixing column is fixedly connected to the right side between the two groups of mounting racks, and feeding grooves for feeding are fixedly connected to the inner sides of the two groups of mounting racks; a mounting column is fixedly connected to the lower portion between the two mounting frames, a vacuum pump is fixedly mounted above the mounting column, a forming assembly is arranged between the two mounting frames and on the left side of the heating assembly, and a cutting assembly is arranged between the two mounting frames and on the left side of the forming assembly; and a stacking assembly is fixedly mounted between the two mounting frames and on the left side of the cutting assembly. The full-automatic plastic uptake machine has the advantages that multiple functions of feeding, heating, plastic uptake, cutting and stacking are integrated, and the high-speed, high-efficiency and high-quality production requirements can be met.

The invention relates to a preparation method of a ceramic green body, which comprises the following steps: (1) ceramic powder with the sphericity degree of 0.9-1 is sequentially subjected to dry pressing molding and crushing granulation treatment to obtain pretreated powder; and (2) sequentially carrying out die-filling treatment, heating and pressurizing treatment and sintering treatment on the pretreated powder obtained in the step (1) to obtain the ceramic green body. According to the method, the ceramic powder is subjected to dry pressing, crushing and granulation, and heating and pressurizing treatment is added before sintering treatment, so that the ceramic powder is dense in the sintering treatment process, powder overflow caused by heating is avoided, the size abnormal conditions such as edge unfilled corners of a product are reduced, and the yield is effectively improved; and the risk that the sintering furnace body is polluted due to overflowing of the powder is reduced.

The utility model relates to the field of paper handkerchief production equipment and technical field, in particular to super-mini paper handkerchief folding processing equipment which comprises a rack, and a transmission roller set and a folding machine body are installed on the surface of the rack at a time. Displacement during cutting is prevented; flattening mechanisms such as a flattening plate are matched with rubber strips to eliminate wrinkles, cutting deviation is effectively avoided, it is guaranteed that cut-off paper is consistent in size and smooth in edge, a stable path is formed by a conveying roller set and a conveying roller set to feed paper, a hydraulic rod drives a cutter to conduct efficient cutting, a second spring assists the flattening plate to reset rapidly, and all the mechanisms cooperate to shorten the procedure interval. The cutting knife connected through the bolt is easy to replace and meets the cutting requirements of different specifications, long-time shutdown is not needed, the cutting efficiency is improved, the labor cost is reduced, the pressing plate buffers to prevent paper from being crumpled and broken, the rubber strip is soft and scratch-proof, and the integrity and soft texture of the cut paper are guaranteed.

The application relates to a layer-by-layer manufacturing method of a dense permanent magnet, which comprises the following steps: 1) laying a layer of samarium iron nitride powder on the bottom of a lower mold; 2) vibrating the powder layer; 3) applying downward mechanical pressure on the powder by a pressing block to compact the powder; 4) using ultra-short laser pulses to impact the compacted samarium iron nitride powder with a certain coverage rate to solidify the samarium iron nitride powder layer; 5) laying a next layer of samarium iron nitride powder on the surface of the impacted samarium iron nitride material, and re-executing steps 2) to 4) to solidify the samarium iron nitride powder of the current layer by using the ultra-short laser pulse impact; and 6) repeatedly executing steps 2) to 5) to obtain a dense samarium iron nitride block material. The application can realize layer-by-layer manufacturing of a permanent magnet block material, and meanwhile, can avoid the decline of magnetic performance caused by a thermal process.

This invention belongs to the field of laser measurement equipment technology, specifically an automated material conveying and measurement system. It includes a three-dimensional moving unit and a laser measurement unit installed on an automated conveyor line; it also includes a region selection unit, which determines the movement range of the laser measurement unit based on the shape of the workpiece to be measured. By setting up the region selection unit, during the process of measuring materials one by one on the automated conveyor line, the material is pulled by the winding of the contour strip within the region selection unit, causing the material to eventually move to the initial position of the laser measurement unit. Subsequently, during the winding of the contour strip, the material supports the contour strip, causing the final annular area formed by the contour strip to be close to the maximum area occupied by the material. The contour strip restricts the movement range of the laser measurement unit, thereby making the measured area closer to the material's area, effectively reducing the proportion of ineffective measurement areas.

The invention relates to the technical field of paper processing equipment, in particular to a double-rotor spiral high-speed winding drum splitting machine which comprises a rack, an embossing mechanism, a splitting mechanism, a discharging mechanism and a stacking mechanism, all the mechanisms are sequentially installed on the rack and work cooperatively through a plurality of transmission parts, and efficient processing of paper is achieved. Wherein the embossing mechanism is used for adjusting the cutting length and pressing textures, the slitting mechanism achieves high-precision slitting through the double-rotor design, the discharging mechanism ensures that finished paper is stably conveyed, and the stacking mechanism is responsible for arranging the stacking state of the paper. In addition, auxiliary devices such as the feeding assembly and the trimming mechanism are further included, and the performance of the whole machine is further improved. The device achieves the effects of improving the production efficiency and ensuring the product quality.

The utility model relates to the field of dumpling wrapper punching equipment, and discloses dumpling wrapper punching equipment convenient for die replacement, the dumpling wrapper punching equipment comprises a dumpling wrapper punching machine, a support table is fixedly mounted below the dumpling wrapper punching machine, and the two side parts of the dumpling wrapper punching machine extend to the upper surface of the dumpling wrapper punching machine and are symmetrically and fixedly connected with guide support rods; an electric telescopic rod is arranged at the top of the dumpling wrapper punching machine, a movable support is installed at the output end of the lower bottom surface of the electric telescopic rod and located on the outer surface of the guide supporting rod, a limiting table is fixedly installed in the middle of the bottom end of the movable support, and a limiting clamping plate is installed below the limiting table; through cooperation of the limiting table, the limiting clamping plate, the limiting groove, the mold body and the limiting plate, when the mold is replaced, operation is easy, convenient and rapid, complex operation does not need to be conducted with the help of various tools, the mold replacement efficiency is greatly improved, compared with the prior art, the problem that mold replacement of dumpling wrapper punching equipment is inconvenient is effectively solved, and the practicability is high. And the production efficiency and the product quality are improved.

The utility model discloses a 35kV handcart type fast circuit breaker, comprising a mechanism box body, an eddy current repulsion mechanism is arranged in the mechanism box body, the output end of the eddy current repulsion mechanism is arranged on a transmission assembly, and the eddy current repulsion mechanism is connected with the transmission assembly through a guide assembly; the main conductive loop assembly comprises an insulating pull rod; the eddy current repulsive force mechanism discharges the coil through the capacitor assembly, the eddy current disc forms eddy current to generate repulsive force, the transmission assembly pulls the insulation pull rod to move, and opening and closing actions are achieved. According to the utility model, the eddy current repulsion mechanism is adopted, so that the switching-on and switching-off time is short, the starting is fast, and small-range protection of line current protection can be realized; transmission is simple and reliable, and service life is long; the appearance and the interface size are consistent with those of a conventional spring mechanism circuit breaker, and interchangeability is high.

The invention discloses a beam-column joint reinforcing structure based on combination of FRP and UHDC and a reinforcing method thereof.The beam-column joint reinforcing structure comprises an FRP grid arranged outside a beam-column joint to be reinforced in a sleeving mode, and a reserved gap is formed between the FRP grid and the outer surface of the beam-column joint; one end of each FRP joint bar is implanted into the outer surface of the beam-column joint, and the other end of each FRP joint bar is connected to the FRP grid; and the UHDC wraps the beam column joint, and the other ends of the FRP grid and the multiple FRP joint bars are embedded in the UHDC. The problems that according to an existing reinforcing method for a beam-column joint area of an existing building structure, the bonding performance of a material and an old concrete interface is insufficient, and stripping damage is likely to happen are solved.

This invention discloses a fabrication process for an all-solid-state battery without overhang, and the all-solid-state battery itself, belonging to the field of solid-state battery fabrication technology. The fabrication process provided by this invention includes: stacking a positive electrode roll, a solid electrolyte membrane roll, and a negative electrode roll with the positive and negative electrode material regions aligned to form a composite electrode roll; after preliminary bonding by roll forming, cutting into strip-shaped composite electrode sheets; vacuum sealing with an aluminum-plastic film after stacking; and then sending the stacked composite electrode sheets into an isostatic pressing device for densification treatment. The isostatically pressed composite electrode sheets are then cut into cells of the required size, and the cut surfaces of the cells are insulated before encapsulation to obtain an all-solid-state battery cell. This invention eliminates redundant structures, reduces battery short-circuit rate, increases energy density, simplifies process flow, and improves production efficiency. It is particularly suitable for large-scale production of high-energy-density, high-safety all-solid-state lithium-ion batteries.

This invention provides a Cr2Se3 single crystal and its preparation method, relating to the field of crystal materials technology. The Cr2Se3 single crystal preparation method, from raw material proportioning and powder preparation to single crystal growth, involves coordinated steps to suppress impurity introduction and impurity phase formation, while simultaneously promoting ordered atomic arrangement and eliminating lattice vacancies and dislocations, resulting in a Cr2Se3 single crystal with good single-phase properties, high crystallinity, and extremely low defect density. The high-purity, low-defect single crystal structure ensures its semiconductor transport properties and antiferromagnetic order; it also eliminates interference from impurity scattering and lattice distortion, optimizing the magnetic field's control over the magnetic moments of Cr atoms, enabling the single crystal to exhibit a strong CMR effect approaching -100%. Furthermore, the coordinated steps ensure consistency in size, phase composition, and structural integrity of the prepared Cr2Se3 single crystal, significantly improving the success rate, process controllability, and repeatability.

This utility model discloses a head-cutting device for square aluminum alloy lithium battery shell materials, belonging to the field of battery shell processing technology. It includes: a mold core configured to fit into a square battery shell, with grooves along its length on both its upper and lower end faces; an upper pressure plate and a lower pressure plate, respectively positioned above and below the mold core, which press the upper and lower end faces of the square battery shell into contact with the grooves; and side clamping plates positioned on both sides of the mold core to press the left and right sides of the square battery shell. By using a mold core with grooves and matching upper and lower pressure plates, along with the side clamping plates to apply pressure to all four sides of the battery shell, it effectively adapts to the asymmetrical structure of square aluminum alloy lithium battery shells, ensuring uniform force and regular compression during the head-cutting process, thus solving the problem that traditional round tube head-cutting equipment cannot handle square materials.

The invention relates to the field of protector accessory production equipment, and particularly discloses an electric heating wire production system which comprises a wire outlet gun, a winding structure and a forming structure, and the wire outlet gun is provided with a wire outlet facing the winding structure; the winding structure comprises a rotating assembly, a cutting knife and a swing arm, the rotating assembly is used for winding the metal wire, the cutting knife is used for cutting the metal wire at the wire outlet, and the swing arm is used for swinging the metal wire at the wire outlet; and the metal wire is shaped by the forming structure. The winding structure and the forming structure are arranged on the same system, the metal wire at the wire outlet is wound by the winding structure, and the metal wire can be transferred and formed by the forming structure, so that the consistency of products is ensured, the consistency and universality of the products are greatly ensured, and the production efficiency is improved. According to the whole system, the automation level of electric heating wire production is improved, the production process is simplified, the manufacturing process is improved, and the production efficiency is greatly improved.

The application discloses a preparation method of a multifunctional nano drug of Fe-based MOF loaded CM-272, and relates to a preparation method of an anti-cancer nano drug.The application aims at solving the problem that the CM-272 action is limited due to the internal hypoxic environment of a tumor.Method: I, preparing a Fe-based metal organic framework;II, preparing a MIL-53@CM-272 nano drug.The application is used for the preparation of the multifunctional nano drug of the Fe-based MOF loaded CM-272.

The utility model discloses a large -diameter steel wire mesh skeleton pipeline end face sealing device relates to pipeline processing technical field, and this utility model discloses a first support box and second support box, the upper surface fixed connection of first support box has tail top seat, the upper surface fixed mounting of second support box has heating forming module and pipeline clamping mechanism, the inside of multiple third support boxes all is equipped with liftable inlet -outlet mechanism, the outer surface of screw rod nut is connected with the middle part of support station and rotates, the upper end fixed connection of manual lifting platform has the top plate, the upper surface symmetrical rotation of top plate is equipped with first cylinder, the utility model discloses through setting up liftable inlet -outlet mechanism, pipeline clamping mechanism, heating forming module etc. the cooperation of many components links to each other to reach the effect of reducing artificial dependence, improve processing efficiency and improve the adaptability of pipeline end face processing.

The invention relates to the technical field of cloth tailoring, and discloses a cloth tailoring device for school uniform production, the cloth tailoring device comprises a workbench, the top of the workbench is provided with a stretching mechanism, a tailoring mechanism, a leveling mechanism and a discharging mechanism in sequence from left to right, and the discharging mechanism is used for movably supporting a material roller; the flattening mechanism is used for pressing and flattening cloth, the cutting mechanism is used for cutting the cloth, and the stretching mechanism is used for stretching the cloth in a fixed-length mode. Through the design of the stretching mechanism, an air extractor is controlled to work, suction force can be generated, the suction force can adsorb the end of cloth to the bottom of a stainless steel wire net, then a servo motor is controlled to work, a translation seat can be driven to integrally translate leftwards, the function of stretching the cloth at a fixed length can be achieved, and the working efficiency can be remarkably improved; manual measurement and stretching links are eliminated, operation time consumption and labor cost are reduced, and accurate mechanical stretching ensures that the size of the cloth is consistent.

The invention relates to the technical field of welding processes, in particular to a convex hull positioning welding die and process, the convex hull positioning welding die comprises a stamping die and a copper bar sub-piece, a fixing hole is formed in the stamping die, a positioning block is connected to the outer side of the stamping die, and the copper bar sub-piece is arranged on the back face of the stamping die. The positioning convex hull is formed at a time through die stamping, multiple procedures in traditional machining are omitted, machining allowance does not need to be reserved for a sub-part, the production period is remarkably shortened, the machining efficiency is improved, the method is suitable for mass production, the technology is simplified, and the efficiency is improved; by the adoption of the mold forming mode, the consistency and the repeated precision of the sizes of the convex hulls can be effectively guaranteed, size fluctuation caused by manual operation or equipment errors is avoided, and therefore the overall quality and reliability of welding assembly are improved.

The utility model discloses an automatic folding forming device of a flexible packaging container, which comprises a frame body, a driving motor connected with the frame body, a piston frame connected with the driving motor, a piston rod inserted in the piston frame, an external negative pressure vacuum device connected with the piston rod, a piston head connected with the piston rod, and a suction hole formed in the piston head. An external negative pressure vacuum device is communicated with the piston head through a piston rod, so that the suction hole has an adsorption effect, and the frame body is connected with a mold which is connected with a forming cup body. The device has the beneficial effects that the production efficiency is greatly improved; stable product quality is guaranteed; the production cost is obviously reduced; operation is convenient, and adaptability is high.