827 results about "Thermoforming" patented technology

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 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.

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.

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 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.

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.

The invention relates to the technical field of automobile part machining, in particular to an automobile part thermal forming die cooling device and system.The heated part is placed in a fixed die, a lifting air cylinder drives a stamping plate to descend, the stamping plate and the fixed die are matched to conduct stamping forming on the part, and the lifting air cylinder is reset after forming; the auxiliary component ejects the formed part out of the fixed die, the formed part can be taken out conveniently, the draught fan enables the connecting box to form negative pressure, the dust suction pipe and the cleaning hopper generate suction force, the driving component drives the sliding block to slide on the sliding guide rail, the sliding block drives the cleaning hopper and the cleaning brush to move back and forth, and the cleaning brush brushes off chippings attached to the stamping plate. According to the cooling device for the fixed mold, brushed-off chippings and chippings in the fixed mold are sucked into the collecting component through the cleaning hopper and the dust suction pipe, the cooling assembly cools the fixed mold while the chippings are cleaned, and the cooling efficiency of the fixed mold can be improved through air flow generated during chipping cleaning.

The invention discloses a composite connection method for a die-casting structural part and a hot-formed steel part, and belongs to the technical field of automobile part production methods. The composite connection method for the die-casting structural part and the hot-formed steel part comprises the steps that according to product requirements, the die-casting structural part is manufactured through a vacuum die-casting process, the hot-formed steel part is manufactured through a hot forming stamping process, and a transition connecting part is manufactured through a cold stamping process; the transition connecting piece and the die-casting structural piece are clamped, the transition connecting piece is attached to the upper surface of the die-casting structural piece, the thermal forming steel piece is clamped, and the thermal forming steel piece is attached to the upper surface of the transition connecting piece; self-piercing riveting is conducted on the die-casting structural part and the transition connecting part according to the self-piercing riveting quality requirement; according to the spot welding quality requirement, spot welding is conducted on the hot-formed steel part and the transition connecting part, the die-casting structural part, the transition connecting part and the hot-formed steel part are connected into a combination, and the connection precision and the connection quality between the die-casting structural part and the hot-formed steel part can be improved.

Articles may be formed from a thermoformable composition, the thermoformable composition including: a) about 35 wt % to about 95 wt % of an acrylic pre-polymerized syrup; b) about 0 wt % to about 10 wt % of a comonomer; and c) about 5 wt % to about 65 wt % of a filler having an average particle size (d50) in a range of about 0.1 μm to about 50 μm; wherein the article has a surface having a gloss measurement at a 60° measurement angle within a range of about 0 Gloss Units to about 20 Gloss Units, and a roughness Ra within a range of about 1 microinch to about 100 microinches. Methods may include producing a thermoformed article by the steps of: i) preparing a thermoformable composition; ii) casting the thermoformable composition into a sheet; and iii) thermoforming the cast sheet against a mold to produce a thermoformed article.

A dental appliance manufacturing system includes a plate. Molds of dental arches are to be positioned on the plate. The dental appliance manufacturing system further includes a heating section configured to be adjusted based on the molds positioned on the plate. The heating section is configured to heat one or more sheets of plastic to generate one or more heated sheets. The dental appliance manufacturing system further includes a thermoforming chamber configured to simultaneously thermoform the one or more heated sheets over the molds positioned on the plate to form a plurality of dental appliances.

The invention discloses a lining high-vacuum regulating valve, which comprises a valve body and a valve rod arranged in the valve body, and further comprises a valve core connected with the valve rod and a valve cover provided with a stuffing box, and is characterized in that the inner surface of the valve body is coated with a first lining layer, and the first lining layer and the valve body form a conformal coating structure through a thermal forming process; the outer surface of the valve element is coated with a second lining layer, and the second lining layer and the valve element form a common coating structure through the thermal forming technology. Through the means of combining a high-temperature mold pressing injection molding process and a dovetail groove rivet composite structure, the industrial problems of stripping deformation of a lining material and a metal valve body and medium leakage under the high-vacuum working condition are solved, and the structural stability of the lining layer under the extreme negative pressure and the zero leakage effect of gas-liquid media are obtained; and the equipment reliability and environmental safety of vacuum distillation, negative pressure reaction and other processes in the fields of chemical industry, pharmacy and the like are remarkably improved.

The invention belongs to the technical field of food packaging materials, and discloses a high-barrier food packaging composite film with a stretching and shaping function, the composite film is formed by compounding five layers of structures, and comprises a surface layer, a barrier layer, a bonding layer, an elastic core layer and an inner layer; the surface layer adopts a biaxially oriented polypropylene or biaxially oriented polyester film, the thickness is 12-20 microns, the surface is subjected to corona treatment, and printing adaptability and initial mechanical strength are provided; and the barrier is prepared by blending an ethylene-vinyl alcohol copolymer and a nanoscale inorganic oxide. According to the composite film processing technology, through multi-step collaborative optimization, double breakthrough of performance and efficiency is achieved; the elastic core layer adopts a TPU / LLDPE blending bi-directional stretching technology, the elongation at break is improved, the composite film is endowed with excellent stretching shaping capacity, surface layer / inner layer corona treatment is matched, the interlayer adhesive force is remarkably improved, and it is ensured that the structure is still kept complete when the thermal forming depth reaches 25 mm.

A method for making a container comprising a thermoformable film (2) which adheres to an outer skeleton (3), where the method comprises: a heating step in which the thermoformable film (2) is heated; a thermoforming step in which the thermoformable film (2) is thermoformed on the inner surface (4); an inserting step in which a pressing element (15) is inserted in the compartment (12), pressing the thermoformable film (2) with it against the bottom wall (5) to make the thermoformable film (2) adhere to the bottom wall (5) or to improve its adherence. The apparatus comprises a thermoforming device (18) for thermoforming the thermoformable film (2) on the inner surface (4) of the outer skeleton (3) and a pressing device (19) which comprises a supporting element (23) and the pressing element (15).

The method comprises the following steps: providing a semi-finished product (11); -hot forging by upsetting the semi-finished product (11) to form a blank (13), the expanded area of which is larger than the expanded area of the semi-finished product (11) and smaller than the expanded area of the wall (3) of the dome; -thermoforming the blank (13) in order to form a preform (15) having an expanded area less than or equal to the expanded area of the wall (3), the preform (15) comprising at least two continuous portions (19, 21) joined to each other in the radial direction and extending outwardly away from the central axis (A-A), such that, for all portions (19, 21), the two continuous portions (19, 21) are connected to each other in the radial direction and extend outwardly away from the central axis (A-A). 21) are different from each other in terms of average thickness and / or convexity; thermally deforming the preform (15) between the die and the punch by means of the press in order to form the wall (3).

The invention relates to a thermoforming method, in particular a press forming method, for forming structures, in particular microstructures or nanostructures, in a surface (2) of a substrate (3) by means of a forming die (4). To this end, the surface (2) of the substrate (3) is locally heated by means of laser radiation (5) above a softening temperature, and then a negative structure of the press surface (6) of the forming press (4) is embossed into the deformable glass frit at a set pressure by means of a forming force (F). In order to maintain the heat input even during the forming process, in particular to ensure that the temperature is constant throughout the forming process and that the temperature distribution is uniform over the entire die surface (6), the forming die (4) and the die surface (6) are made of a material which is wavelength transparent to the laser radiation (5).

The utility model relates to the field of hot-press forming equipment for plastic decorative plates, in particular to hot-press forming equipment for automobile plastic decorative plates. Comprising a hot-press forming equipment body, a control cabinet is installed on one side of the hot-press forming equipment body, adjusting keys are installed in the control cabinet, a hot-press device is installed on the upper surface of the hot-press forming equipment body, a bottom die is installed in the hot-press device, and a protection structure is arranged on the side, close to the adjusting keys, of the control cabinet. The protection structure comprises two fixing plates and a fixing block. According to the hot press molding equipment for the automobile plastic decorative plate, the problems that after an operator completes operation on the adjusting keys without any protective measures, the adjusting keys on the control cabinet are exposed, so that the operator touches the keys carelessly, equipment parameters are modified accidentally, and the equipment parameters are damaged are solved. And even unnecessary operation instructions are triggered, so that safety accidents or equipment faults are caused.

The invention relates to a method for manufacturing a thermoformed steel sheet product, the method comprising the steps of: providing a steel sheet and creating a Si-rich surface layer on at least one surface of the steel sheet; cutting the steel sheet to obtain a coated steel blank; heating the steel blank to a temperature range between the austenitizing temperature of the steel and 950 DEG C; transferring the heated blank to a mold; thermoforming said heated blank in said mould, preferably in a temperature range of 600 DEG C to 830 DEG C, thereby obtaining a thermoformed steel sheet product; the heated product is cooled to a temperature below the Mf temperature of the steel.

The present application is applied in the technical field of thermoforming processing, and relates to a thermoforming processing device and method. A frame is provided, and the frame is provided with a processing station, a clamping apparatus for clamping a peripheral side of a material, a heating apparatus for heating the material in the clamping apparatus, a lower mold apparatus for pushing up and forming the material in the clamping apparatus, and a frame pressing apparatus. The clamping apparatus is placed at the processing station. The lower mold apparatus comprises a lower mold, and the lower mold is provided with a plurality of vacuum suction holes. The frame pressing apparatus comprises a movable pressing frame and a first driving component for driving the movement of the pressing frame. In the present application, when the lower mold rises, the material rises together with the lower mold, and after the material is pushed up, the movable pressing frame fixes the peripheral side of the material, so that the uniformity of the sidewalls of a finished product is improved, and the bottom thereof maintains a required thickness.

Provided are a high-strength and high-plasticity hot-forming steel with oxidation resistance for automobiles and a hot-forming process thereof, and the hot-forming steel has chemical compositions in mass percentages as follows: C: 0.35%-50%, Si: ≤0.20%, Mn: 1.50%-2.50%, P: 0.050%-0.10%, S≤0.004%, Als: 0.02%-0.06%, Nb: 0.03%-0.07%, Ti: 0.020%-0.050%, V: 0.08%-0.15%, Cr: 1.50%-3.20%, Mo: 0.10%-0.30%, B: ≤0.0040%, N≤0.005%, the balance Fe and inevitable impurities. The hot-forming steel provided in the present invention has high oxidation resistance, high strength and plasticity, does not need atmosphere protection during hot forming, and does not need shot blasting treatment after hot forming.

Provided is a film including a polycarbonate resin capable of achieving excellent drawdown resistance during thermoforming and excellent formability in processing a bent portion and the like thereof. The film contains a polycarbonate resin (a) which satisfies the following expression (i), when a viscosity at a shear rate of 6.080×10 [1 / s] measured at 300° C. is X [Pa·s] and a viscosity at a shear rate of 6.080×103 [1 / s] measured at 300° C. is Y [Pa·s].-0.69<logY-logX2<-0.41(i)

The utility model relates to PET fiber mandrel technical field, specifically PET fiber mandrel extrusion die structure, including thermoforming machine, the fixed mounting of thermoforming machine has extrusion mould, the part of thermoforming machine close to extrusion mould is fixed with support mechanism, the fixed block of support mechanism is slidably installed, the cooling mechanism is installed on the fixed block, the cooling mechanism includes the clamping plate and the plug rod, the clamping plate is installed between two fixed blocks and is clamped, the bottom fixed connection of clamping plate has the plug rod, the plug rod is fixedly connected with the fixed block through the nut, a plurality of setting moulds are fixedly installed in the clamping plate equidistantly, the fixed connection of two fixed blocks has the support frame, a plurality of air outlet pipes are fixedly installed on the support frame equidistantly, the air outlet pipe is fixedly connected with the air inlet pipe, the air outlet pipe is obliquely arranged and the height is higher than the setting mould, the cold air can be accurately blown to the hot state mandrel surface just extruded from the extrusion mould, accelerates the heat dissipation, and is restricted with the cavity of setting mould, makes the mandrel solidification fast.

Vehicle component (100) for a vehicle, with: a component body (101) which is formed from a core material (103), wherein the component body (101) has a locally limited deformation zone (105) which is arranged planarly in the core material (103), wherein the deformation zone (105) has a locally variable tensile strength according to a predetermined tensile strength profile in order to influence a deformation process of the component body (101) when a force is applied to the component body (101), wherein the component body (101) has a body surface, wherein a metallic coating is applied to the body surface, which is designed to prevent corrosion after manufacture and scaling during a hot forming process for the manufacture of the component body (101), wherein the coating comprises an aluminum-silicon alloy which, during the hot forming process, forms a stable alloy layer system with the core material to provide corrosion and scaling protection for the component body, wherein the vehicle component (100) is a hot-formed vehicle component, wherein the vehicle component (100) is a vehicle column, wherein the component body (101) has a body surface (401) and a sheet thickness (403) which describes the material thickness of the component body (101) in the direction of a surface normal (405) of the body surface (401), and wherein the deformation zone (105) completely penetrates the component body (101) with respect to the sheet thickness (403) and has an edge region which follows a perimeter of the deformation zone (105) on the body surface (401), and wherein the tensile strength in the edge region approaches the tensile strength of the material of the component body (101) surrounding the deformation zone (105) in order to form a homogeneous tensile strength transition, wherein the component body (101) is made of steel core material (103) with a tensile strength R M,K is manufactured in a range of 1200 MPa to 2200 MPa, wherein the deformation zone (105) has a tensile strength R M,D exhibits a range of 450 MPa to 1100 MPa, wherein the component body (101) has a body surface (401) and the area of ​​the deformation zone (105) on the body surface (401) corresponds to at least 0.05 to 0.4 times the area of ​​the body surface (401), wherein the tensile strength of the deformation zone (105) decreases continuously towards a center point of the deformation zone (105), wherein at least two tensile strength plateaus (107-1, 107-2) are formed in the deformation zone (105), which have different tensile strengths relative to each other and to the core material (103).

A web transport assembly for moving flexible sheet material in a manufacturing process. The web transport assembly comprises first and second gripper chains spaced apart from one another to define a path of travel of the flexible sheet material, each of the gripper chains having a plurality of saddle links and a plurality of gripper links. First and second parallel rail structures are respectively aligned with the first and second gripper chains. In addition, upstream and downstream hubs are associated with each of the first and second gripper chains to define a continuous loop about which the associated gripper chain extends. At least one of the hubs includes a driven sprocket having a plurality of teeth engaging the associated gripper chain. The saddle links have a pair of spaced apart extension portions defining a spaced in which an associated one of the rails is received. The gripper links have a gripper mechanism that is configured to clamp a side of the flexible sheet material.