1451 results about "Thermoforming" patented technology

The invention discloses a hot forming preparation method of a high-temperature superconducting MgB2 wire rod based on resistance heating. The method comprises the following steps: 1, carrying out cold rotary swaging deformation after tubing to obtain a single-core complex; 2, after resistance heating, carrying out hot drawing deformation to obtain a single-core composite round wire; thirdly, the single-core composite round wires are bundled and assembled and then subjected to cold rotary swaging, and a multi-core bundled and assembled complex is obtained; 4, after resistance heating, carrying out hot drawing deformation to obtain a multi-core clustered composite MgB2 round wire; and 5, carrying out vacuum heat treatment to obtain the high-temperature superconducting MgB2 wire rod. Resistance heating is carried out before hot drawing deformation, so that the center Mg rod and the middle Nb barrier layer obtain excellent thermoplasticity, coordinated and uniform plastic deformation of the center Mg rod and the middle Nb barrier layer and the outer Cu sheath and uniform flowing of filled powder are achieved, and the MgB2 superconducting wire which is free of knots on the surface, free of core breakage in the interior and uniform in deformation is obtained and is suitable for the field of high-temperature superconducting. And meanwhile, the machining pass is reduced, the machining time is greatly shortened, and the preparation process is simplified.

Method and system for optically checking molded parts (10) in a transmitted light method, more particularly closures or the like produced by thermoforming or compression molding methods, comprising transporting the molded parts (10) from a transport device (50) through an optical checking area, and recording at least one image of the molded part (10) using a recording device (20), whereby the molded part (10) is located between the recording device (20) and an illumination device (30) and is illuminated by same, whereby the image is evaluated using processing means (40) in such a way that defects of the molded part (10) and / or statistical deviations from a normal distribution are able to be determined, from which conclusions are able to be drawn about a manufacturing process of the molded parts (10) in a molding tool having a cavity, whereby the conclusions are able to be used to control the manufacturing process.

The invention relates to the field of plastic meal box processing, and particularly discloses a plastic meal box positive pressure thermal forming process which comprises the following steps: S1, conveying a plastic sheet to a heating station, and pressing and sealing the periphery of the plastic sheet through a clamp to form an airtight area required by forming; s2, the plastic sheets are subjected to partitioned precise heating and state monitoring, specifically, precise control over the heating process of the plastic sheets is achieved through the following sub-steps; by constructing a partitioned precise heating and closed-loop state monitoring system, a traditional heating process depending on artificial experience is converted into a data-driven intelligent process. A target temperature distribution curve is generated based on a three-dimensional model and material characteristics, a real-time temperature monitoring and predictive control algorithm is combined, a heating strategy is dynamically adjusted, it is ensured that a sheet temperature field rapidly and stably reaches a uniform melting or high-elastic state, and the consistency of heating uniformity and forming quality is remarkably improved.

The invention discloses thermal forming equipment and a thermal forming system, and is applied to the technical field of thermal forming. An upper slide block and a lower slide block; the transmission assembly is installed on the equipment frame, the transmission assembly comprises a power component, a power conversion component connected with the power component, a torque transshipment mechanism connected with the power conversion component and a feedback encoder used for obtaining the rotation angle of the torque transshipment mechanism, and the power conversion component and the torque transshipment mechanism are both in a gear shape; the torque transfer mechanism is used for driving the upper sliding block to move towards or away from the lower sliding block; the power component and the feedback encoder are both connected with the controller, and the controller is used for controlling the power component to act according to the rotation angle, obtained by the feedback encoder, of the torque transshipment mechanism. According to the thermal forming equipment, the moving position of the upper sliding block can be better fed back, the mold closing position precision between the upper mold and the lower mold is improved, and the machining precision of a workpiece is further improved.

The utility model discloses a diaphragm hot press molding device which comprises a molding main body, the bottom of the molding main body is fixedly connected with a bottom plate, the top of the bottom plate is fixedly connected with a heating mechanism and a hot press mechanism respectively, the interior of the molding main body is fixedly connected with a rotating motor, and the driving end of the rotating motor is fixedly connected with a rotating shaft. One end of the rotating shaft is fixedly connected with a four-station table, the top of the four-station table is fixedly connected with a lower hot-pressing mold, the top of the lower hot-pressing mold is provided with a mold groove, the outer side of the four-station table is fixedly connected with a control panel, the bottom of the four-station table is provided with a mounting groove, and the inner side of the mounting groove is movably connected with a sliding bead; through the arrangement of the rotating motor, the rotating shaft and the four-station table, the membrane hot-press forming device can conduct machining step by step, machining gaps are avoided, and therefore the machining efficiency of the membrane hot-press forming device is improved.

The invention discloses a hot melting forming device and method for a synthetic quartz glass cylinder, through modular structural design, the synergistic effect of positioning, exhausting, pressing and forming is achieved, and the hot melting forming device for the synthetic quartz glass cylinder specifically comprises a graphite pressure head connecting rod, a graphite pressure head, a graphite center rod and a forming mold. According to the hot-melting forming method for the synthetic quartz glass cylinder, the device is adopted, a synthetic quartz glass ingot is pretreated, a low-impurity demolding material is laid during assembling, gradient heating is conducted on three temperature areas of a heating furnace, pressurization is conducted after softening, and then differential cooling is conducted, so that efficient preparation of the high-purity synthetic quartz glass cylinder is achieved; and the purity of the finished product meets the strict requirements of high-precision processes such as semiconductor wafer processing and thin film deposition on the material purity. According to the invention, the large-diameter and ultra-long synthetic quartz glass cylinder can be stably produced, the requirement of large-size development of semiconductor equipment is met, and the blank in the field of large-size high-purity quartz glass cylinder preparation in the prior art is filled.

A keyboard membrane, which is a thin sheet molded object thermoformed by a thermoplastic wear-resistant molding membrane, comprising a plurality of concave-convex parts, the concave-convex part comprises a plurality of upwardly protruding pressing parts, each of the pressing parts has a top wall and a peripheral wall extending downward from a periphery of the top wall; the keyboard membrane is disposed on a key module with keys; each of the pressing parts is connected with one of the keys of the key module; a periphery of the keyboard membrane has a peripheral edge extending outward from the pressing part, and the peripheral edge wraps the key module to form a waterproof and dustproof keyboard.

A method of labeling product packages on a thermoforming packaging machine is provided to prevent the unnecessary dispensing of labels onto unfilled, improperly filled and absent product packages. Crosswise rows of product packages are moved in a downstream transport direction on the thermoforming machine using alternating dwell and advancing intervals. A labeling device mounted on the thermoforming packaging machine moves back and forth between a downstream position and an upstream position and applies to the product packages while the labeling device is moving from the downstream position to the upstream position and while the labeling device is moving from the upstream position to the downstream position. One or more sensors positioned on the thermoforming packaging machine upstream from the upstream position of the labeling device identify the presence of any unfilled, improperly filled or absent product packages in the crosswise rows of product packages before they reach the upstream position of the labeling device to prevent the labeling device from applying labels to any such product packages. A thermoforming packaging machine is also provided on which the method may be performed.

The use of sheets comprising at least one face consisting of a pseudo-amorphous composition based on polyaryl ether ketone(s) for a twin sheet thermoforming process. A twin sheet thermoforming process for manufacturing a hollow body. A hollow body comprising at least one internal surface consisting of a crystallized composition based on polyaryl ether ketone(s), obtainable by the process.

The invention discloses an automobile thermal forming door ring tailor-welding flexible clamp and a welding process, the flexible clamp comprises a base plate, a suction positioning mechanism, a side positioning pin module and an auxiliary supporting piece, and the suction positioning mechanism, the side positioning pin module and the auxiliary supporting piece are detachably mounted on the base plate full of array hole sites; the specific number and positions of the suction positioning mechanisms, the side positioning pin modules and the auxiliary supporting pieces can be adjusted according to needs, telescopic front positioning pin assemblies and electromagnet sets are adopted in the suction positioning mechanisms, and the side positioning pin modules are positioning pin mechanisms capable of being adjusted in three directions. The flexible clamp is adopted for positioning and feeding during tailor-welding of the automobile thermal forming door ring, the number of used stamping dies can be effectively reduced, lap joint edges are eliminated, the utilization rate of materials is improved to the maximum extent, the number and the positions of all assemblies on the base plate can be adjusted according to needs in the using process, the adjusting process is simple, consumed time is short, and the production efficiency is improved. And the application range of the flexible clamp can be effectively expanded.

A keyboard membrane, which is a thin sheet molded object thermoformed by a thermoplastic wear-resistant molding membrane, comprising a plurality of concave-convex parts, the concave-convex part comprises a plurality of upwardly protruding pressing parts, each of the pressing parts has a top wall and a peripheral wall extending downward from a periphery of the top wall; the keyboard membrane is disposed on a key module with keys; each of the pressing parts is connected with one of the keys of the key module; a periphery of the keyboard membrane has a peripheral edge extending outward from the pressing part, and the peripheral edge wraps the key module to form a waterproof and dustproof keyboard.

The present disclosure is directed to laminated articles, such as articles for food and beverages, that are biodegradable and / or paper recyclable. The articles include a substrate comprising a film layer. The film layer is formed from a film made from biodegradable and / or paper recyclable polymer materials. The film layer is resistant and / or impermeable to liquids The article is capable of being frozen and / or heated using, for instance, a microwave oven without delaminating.

The invention provides a hot forming method of a zinc-based coated steel plate, the coated steel plate, a hot forming part and a hot forming system. According to the hot forming method of the zinc-based coated steel plate, cracking caused by brittleness of liquid metal on the surface of the coated steel plate is prevented through the uniform controlled cooling effect of the high-temperature spraying medium, and when the temperature of the steel plate is reduced, cracking caused by the brittleness of the liquid metal can be prevented; and the formed hot forming part is good in surface quality, the defects of piebald and chromatic aberration caused by non-uniform cooling are avoided, high-strength parts within the range of 500-2000 MPa can be formed, the strength of the formed steel plate is guaranteed, and the brittleness problem of liquid metal can be prevented.

The invention relates to the technical field of B column production, and discloses a lightweight B column partition heating forming device and a thermal forming process thereof, the lightweight B column partition heating forming device comprises a machine base, a machine frame arranged on the machine base, a stamping assembly arranged on the machine base and the machine frame, and an ejection mechanism arranged in the stamping assembly; the stamping assembly comprises an upper die base and a lower die base, a die cavity is formed in the upper side of the lower die base, and a partition heating part for conducting partition heating on the B column is arranged in the lower die base. According to the lightweight B column partition heating forming device, a heater in the heating system controls a plurality of heating plates to conduct partition heating on different areas of a B column product, cooling water in the upper die base continuously flows in combination with the cooling system, differential cooling is achieved, and through the partition heating and differential cooling mode, the weight of the B column product is greatly reduced. The performance of each region of a B column product can be effectively guaranteed, unnecessary material use is reduced, the lightweight design of the B column is achieved, the overall weight of an automobile is reduced, and the development trend of lightweight of the automobile is met.

Improved separator film compositions, methods and systems for use in producing thermoformed dental appliances are disclosed.

The utility model relates to the technical field of lens cooling assemblies, and discloses a blank lens cooling device for optical lens processing, which comprises a conveying platform, a heat preservation cover mounted at the top of the conveying platform, a transportation tray arranged above the conveying platform, a refrigeration device mounted at the top of the heat preservation cover, and an air delivery pipe arranged inside the heat preservation cover, according to the utility model, after a thermoformed blank lens is placed in the transportation tray for moving and feeding, the refrigerating device can be started to convey gas into the gas conveying pipe through the communicating pipe, and the gas in the gas conveying pipe can convey cold air downwards through the spray head; and when the blank lens in the conveying tray is conveyed on the conveying platform, the blank lens can be in consistent contact with cold air to be cooled, so that the blank lens does not need to be moved to a specific cooling area, the cooling process is completed during movable feeding, the blank lens is moved to the next procedure, and the effect of improving the machining efficiency of the blank lens is achieved.

A thermoforming method for a high-strength steel part. A hot stamping die comprises an upper die (1) and a lower die (2); the lower die is located in a water tank (3); the water tank is used for containing hot water above 60°C; during use, the lower die is partially or completely immersed in hot water; the lower die is provided with at least two sheet supports; each sheet support comprises a fixed rod (7) vertically fixed on the bottom surface of the water tank; the upper end of the fixed rod is rotatably connected to a cross beam (8) by means of a rotating shaft (9); one ends of the cross beams of the sheet supports cooperate with each other to support sheets, and the other ends of the cross beams are rotatably connected to the upper ends of pull rods (10); the lower ends of the pull rods are connected to the fixed rods by means of springs (11); and in an initial state, the height of the cross beams is greater than the liquid level of hot water. Further provided is a low-melting-point coating part with a low micro-crack depth. The low-melting-point coating part comprises a substrate and a low-melting-point coating located on the surface of the substrate; the low-melting-point coating part is formed by hot stamping; micro-cracks are generated in the substrate and the low-melting-point coating in the forming process; and most of the micro-cracks extending from the low-melting-point coating to the substrate are located at concave fillet tangent points of the low-melting-point coating part, and a small part of the micro-cracks extending from the low-melting-point coating to the substrate are located at positions other than the concave fillet tangent points of the low-melting-point coating part. Further provided are a thermoforming method for the low-melting-point coating part, a hot bath edge cutting device for the high-strength steel part, and a method for using the hot bath edge cutting device. According to the thermoforming method, in the direct forming process, the micro-crack expansion process of the low-melting-point coating and the substrate is effectively inhibited, the service life of the low-melting-point coating part is ensured, and excellent corrosion resistance is shown.

The utility model belongs to the technical field of suppository packaging strip processing equipment, and particularly relates to a suppository packaging strip sealing device which comprises a base, a clamping groove is formed in the top of the base, a limiting groove is formed in the inner bottom of the clamping groove, a second packaging strip is movably connected to the top of a first packaging strip, and a mounting groove is formed in the base. A sliding rod is slidably connected into the mounting groove, a first connecting column and a second connecting column are fixedly connected to the top of the sliding rod, the top of the first connecting column and the top of the second connecting column penetrate through the base and are attached to the bottom of the first packaging strip, a movable column is fixedly connected to the top of the sliding rod, and a thermoplastic head is arranged above the clamping groove; and the shape of the thermoplastic head corresponds to that of the clamping groove. Through the arrangement of the sliding rod and the movable column, the suppository packaging strip subjected to thermoforming can be conveniently pushed out from the interior of the clamping groove, and therefore the suppository packaging strip can be conveniently taken; and by arranging the first placing table and the second placing table, the practicability of the device is improved.

The invention discloses an oil cylinder fixing device for thermal forming of a mold, and relates to the technical field of fluid driving tools of the mold, the oil cylinder fixing device comprises an oil cylinder oil way control structure, the oil cylinder oil way control structure is mounted in a slotted flexible metal lamination frame, and an oil way pipe at the top of the oil cylinder oil way control structure is communicated with an oil way in the mold; under the cooperation of the self-adaptive fixing assembly and the soft pressure contact fixing assembly, a linkage synergistic effect is formed, stress synergistic adjustment among all parts of the whole fixing device is achieved, and after the position of the oil cylinder oil way control structure is greatly adjusted through the self-adaptive fixing assembly, the edge side pushes the abutting frame through the micro driving structure of the abutting frame, so that the position of the oil cylinder oil way control structure is adjusted. The micro propelling guide rod is promoted to carry out corresponding secondary adjustment, it is ensured that the all-directional and high-precision contact state and the fixing effect are always kept between the soft pressing contact fixing assembly and the oil cylinder oil way control structure, dynamic balance is achieved, and the service life of the oil cylinder oil way control structure is guaranteed.

The invention relates to a forward extrusion forming device and method suitable for a neodymium iron boron permanent magnet ring. The invention belongs to the technical field of hot forming of rare earth permanent magnet materials, and particularly relates to a neodymium iron boron permanent magnet ring and a forming method thereof. The die mechanism comprises a forward extrusion gasket, a forward extrusion positioning ring, a forward extrusion downward pressing column, a forward extrusion sleeve, a forward extrusion container, a forward extrusion die sleeve, a forward extrusion core column and a forward extrusion pressing ring, the forward extrusion sleeve is positioned through the forward extrusion container, the forward extrusion container is positioned through the forward extrusion die sleeve, and the forward extrusion downward pressing column is positioned through the forward extrusion positioning ring. The blank moves downwards along with downward movement of the forward extrusion pressing ring in the thermal deformation process. The problem that cracks on the inner wall of the magnetic ring are obvious is solved, the magnetic performance uniformity of the magnetic ring is improved, and the subsequent machining cost is reduced.

This thermoforming machine includes a thermoforming chamber having at least one heated air inlet through which heated air flows into the thermoforming chamber at a controlled pressure. The air inlet cooperates with a heated air flow distribution regulator located in the thermoforming chamber and through which the heated air flows out of the thermoforming chamber at a predetermined temperature. The regulator includes a heated air flow regulating mask receiving heated air flow, having a plurality of flow restricting elements providing different air flow restrictions.

The invention is applicable to the technical field of thermal forming dies, and provides a thermal forming part anti-cracking die structure which comprises a base box, the top of the base box is connected with a top plate through a supporting plate, the top of the top plate is provided with a lifting assembly, the lifting end of the lifting assembly is connected with a mounting plate, and the bottom of the mounting plate is connected with an upper die through an upper heating assembly. A force application assembly is installed between the flanging position of the upper die and the installation plate, and buffering assemblies are installed on the left side and the right side of the upper die and located at the lifting end of the lifting assembly. An installation groove is formed in the position, under the upper mold, of the top of the base box, a lower heating assembly is installed in the installation groove, a lower mold is installed on the lower heating assembly, and a forming cavity is reserved above the lower mold; the force application end of the force application assembly applies pressure to the flanging of the upper side of the upper die, so that the pressure applied to the material at the plane and the cambered surface of the lower side of the upper die is consistent when the material is stamped, and the problem that the flanging of the material is broken due to uneven stress in the stamping process is avoided.

To provide a precure type laminate for thermoforming which is excellent in long-term antifogging property.SOLUTION: A laminate for thermoforming includes a base material layer and a hard coat layer, wherein the base material layer is obtained by stacking a layer containing a polycarbonate resin and a layer containing a high hardness resin, the hard coat layer is stacked on the layer containing the high hardness resin in the base material layer, the hard coat layer contains a urethane (meth)acrylate resin and a hindered amine-based photostabilizer, and a content of the hindered amine-based photostabilizer is 0.1 to 4.0 pts.mass with respect to 100 pts.mass of the urethane (meth)acrylate resin.SELECTED DRAWING: Figure 1

The invention relates to the technical field of blister thermoforming, and discloses a high-precision controllable thermoforming method of a blister machine, which comprises the following steps: extracting a feature recognition material type, and calculating to obtain a thermal diffusion coefficient; a temperature field is collected in real time, temperature distribution at the next moment is predicted, a fuzzy rule base is established to dynamically adjust PID parameters, a falling risk coefficient is calculated based on the actually measured temperature, and whether airflow compensation is started or not is judged; a mold cavity structure is constructed, and a vacuum degree curve is set in stages; material flow monitoring is conducted on the material, and the vacuum degree is corrected through fuzzy control; analyzing to obtain a coordinate deviation, and executing dynamic compensation; performing real-time correction according to the coordinate deviation, establishing an inter-station coupling coefficient matrix through multi-station cooperative control, and performing temperature compensation; and constructing a multi-dimensional quality evaluation model, performing analysis to obtain a comprehensive quality index, judging whether to trigger a key parameter optimization process or not based on the comprehensive quality index, and performing real-time feedback optimization.

The present invention discloses a thermoforming mold and equipment, which are applied to the field of thermoforming technology. The thermoforming mold includes: an upper mold and a lower mold, wherein a cavity for placing a workpiece is formed between the upper mold and the lower mold, and a cavity is provided inside each of the upper mold and the lower mold. In addition, a hollow portion is provided at a target position on one side of the upper mold and the lower mold near the cavity, and the hollow portion is connected to the cavity so that a medium in the cavity can be sprayed onto the workpiece through the hollow portion; a plurality of ejectors, wherein the ejectors are installed in the cavity of the upper mold and / or the lower mold; and a plurality of medium pipelines, which are arranged in the cavity and are used to supply medium to the ejectors, and the pressure of the medium pipelines is adjustable. The thermoforming mold provided by the present invention can improve the forming accuracy and efficiency of the workpiece, effectively eliminate the phenomenon of workpiece quenching deformation, and the weldability of the workpiece after quenching is good, and the workpiece surface is not easily oxidized.

The invention relates to a composition for making a film-forming masking coating adhering to at least part of a surface of a substrate intended to be thermoformed for manufacturing a selectively metallized three-dimensional item, said composition comprising at least one organic polymer matrix formed of one or more organic monomers and / or polymers, said polymer matrix being curable to form said masking coating that, after curing, for a thickness of between 0.1 μm and 50 μm, has a deformation ratio at break higher than 30%, at a temperature of between 20° C. and 270° C.The invention is particularly adapted for making a composition suitable for making a coating on the surface of a substrate intended to be thermoformed.

A system for forming a blister package includes a thermoformable film and a lidding film. The thermoformable film has a thermoformable film exterior layer and a thermoformable film interior layer. The thermoformable film exterior layer includes at least 50% by weight polypropylene. The thermoformable film interior layer includes at least 50% by weight polypropylene and (a) a tackifier and / or (b) a cyclic olefin copolymer. The lidding film includes a lidding film exterior layer, a seal layer, and a lidding film interior layer between the lidding film exterior layer and the seal layer. The lidding film exterior layer includes at least 50% polypropylene. The lidding film interior layer includes at least 50% polypropylene and a tackifier. The seal layer includes a polyolefin plastomer.

This thermoforming device, which performs thermoforming of a continuously supplied resin sheet to simultaneously mold two or more rows of containers in the feed direction of the resin sheet, has: protruding linear portions of a leading clamp forming thin-walled portions in a direction perpendicular to the feed direction between the two rows of the containers; and protruding linear portions of an upper mold, wherein the protruding linear portions have a cooling means and do not raise the temperatures of the thin-walled portions to a crystallization temperature during heat set thermoforming.