594 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.

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.

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.

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.

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.

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.

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.

This utility model discloses a horizontal plastic film thermoforming filling and sealing machine, including a frame and a film feeding and folding mechanism and a servo bag pulling mechanism mounted on the frame. The servo bag pulling mechanism has a color mark detection mechanism, a heating mechanism, a cavity forming mechanism, a servo filling mechanism, a top sealing mechanism, and a cutting mechanism sequentially mounted on the frame along its traction path. The cavity forming mechanism includes an air blowing assembly and a pair of openable rear-heated cavity molds and a front-heated cavity mold respectively located on both sides of the air blowing assembly, forming a forming cavity with an open top. A roll of film printed with a bag pattern is folded into a plastic film after passing through the film feeding and folding mechanism. The plastic film is then heated and formed by the heating mechanism and the cavity forming mechanism to form a continuous bag. After filling and sealing, the bag is cut into finished products by the cutting mechanism. This utility model realizes the process of turning a roll of film into a finished product of irregularly shaped bags, improving production efficiency and offering greater flexibility.

Disclosed are polymer compositions comprising at least 95% by weight of a polypropylene copolymer and 50 ppm to 2000 ppm of an arylamide-containing clarifier or a phosphate ester salt-containing clarifier, or a combination thereof, methods of making the polymer compositions, and articles comprising the polymer compositions, wherein the polymer compositions have a haze value A after one extrusion and a haze value B after five extrusions, the ratio of A to B being between 1 and 1.35, and A is less than 25%, and A and B are specified according to ASTM D1003 at a thickness of about 40 mils.

An apparatus for supporting heating elements of a thermoformer oven includes a first heating element support frame, a second heating element support frame, and one or more actuator. The first heating element support frame is operable to support one or more of the heating elements on a first side of a surface for supporting material to be thermoformed. The second heating element support frame is operable to support one or more of the heating elements on the first side of the surface. The one or more actuator is configured to shift the first and second heating element support frames toward one another in directions with vector components of motion parallel to the surface.

A method includes: receiving first and second digital models associated with a dental arch of a patient corresponding to first and second stages of orthodontic treatment; printing a first mold of a first dental arch based on the first digital model and a second mold of a second dental arch based on the second digital model; securing the first and second molds to a plate; heating a sheet of plastic to generate a heated sheet, and surrounding the sheet of plastic with a mask during the heating of the sheet of plastic to minimize heat transfer to other sheets of plastic; and simultaneously thermoforming the heated sheet over the first and second molds to form a first aligner shaped to fit the first dental arch and a second aligner shaped to fit the second dental arch.

The invention discloses a lap joint tailor-welding structure of an automobile integrated door ring and a manufacturing method, and belongs to the technical field of tailor-welding of automobile spare parts, and the automobile integrated door ring is prepared through an integrated process of heating stamping and in-mold quenching after a composite coating is thermally sprayed on the surface of thermal forming steel. The composite coating comprises the following chemical components in percentage by weight: 3%-8% of Y2O3, 5%-15% of TiN, 2%-6% of HfO2, 20%-35% of Al, 5%-12% of Si and the balance of Fe and inevitable impurities. By means of the mode, the welding strength is effectively improved through the innovative tailor-welding process of the composite coating plate and lap resistance spot welding.

Method for monitoring a thermoforming process designed to form a large number of articles in a single layer of material (10), the method comprising: Recording at least two measured values ​​at at least two mold cavities (160, 160a, 160b, 160c), wherein at least one measured value is recorded at each of the at least two mold cavities (160, 160a, 160b, 160c), which indicates a stretching force or stretching energy to be applied when pre-stretching the material layer (10) into the respective mold cavity (160, 160a, 160b, 160c); and Comparing the measured values ​​recorded at the at least two forming cavities (160, 160a, 160b, 160c) to obtain a comparative result, the comparative result being an indicator of the homogeneity of the thermoforming process.

In one aspect, the disclosure relates to multilayer composite films comprising a first biopolymer such as agarose, and a second biopolymer such as shellac. In the films, one or both layers may further comprise a biodegradable plasticizer. In a further aspect, the films can be flat or can be thermoformed to have a three-dimensional shape. The films are biodegradable and have very low permeability to water, gases, and other contaminants. Also disclosed are methods of making the films and consumer product packaging materials comprising the films.

The present application relates to the field of battery cover, specifically relates to a kind of composite material battery cover moulding forming device, process and equipment, device includes elastic tension clamping mechanism, lifting mechanism and mould, mould includes recessed die and male die that cooperate with each other, the temperature of mould is cooling setting temperature;Wherein, elastic tension clamping mechanism is used to clamp sheet material four around and in sheet material is pressed into shape process self-adapting tension sheet material, the temperature of sheet material before forming is hot forming temperature;Lifting mechanism is connected elastic tension clamping mechanism, for driving elastic tension clamping mechanism to descend to make sheet material distance recessed die preset distance;And after sheet material is formed, drive elastic tension clamping mechanism to rise to make sheet material demoulding;Male die is used to press down sheet material when sheet material distance recessed die preset distance to make sheet material stick close to recessed die surface to be formed as battery cover.The present application can realize the automatic production of composite material battery cover, production efficiency is high, forming quality and product consistency are good.

To provide a thermoforming sheet and a molded container that have an excellent elastic modulus, use a small amount of resin, and have impact resistance in a freezing environment such as -30°C.SOLUTION: There is provided a thermoforming sheet (1) having a base layer (2) containing an inorganic filler and a polypropylene-based resin, in which the base layer (2) contains an inorganic filler containing talc and calcium carbonate in an amount of 20 to 30 mass% relative to the base layer (2), a mass composition ratio of the talc to the calcium carbonate is 50 / 50 to 75 / 25, an amount of the talc is 12 to 18 mass% of the base layer (2), an average particle diameter (D50) of the talc is 3 to 7 μm, the polypropylene resin is mainly composed of block polypropylene, and has a tensile modulus of elasticity in at least one of MD and TD of 1500 MPa or more, and a DuPont 50% breaking energy at a test temperature (-30°C) of 1.5 J or more.SELECTED DRAWING: Figure 1

A one-piece thermoforming process for lip edges reduces the risk of thinning and cracking in the finished product. The process includes providing a mold, comprising a punch and a die, the punch being designed according to the inner surface shape of the lip edge, and the die being designed according to the outer surface of the lip edge; selecting an annular blank; heating the blank to 20°C-40°C below the solution state and holding it at that temperature; transferring the blank to the die, where the punch pre-stamps the blank until the pre-stamping position is reached, forming a shallow cavity structure for the lip edge, i.e., the initial blank; removing the initial blank, heating it to the solution state and holding it at that temperature; transferring the initial blank to the die, where the punch performs a second stamping operation until the pre-stamping position is reached, forming a deep cavity structure for the lip edge, i.e., the final blank; and machining the final blank to the finished product dimensions.

The present specification is directed a method manufacturing a patient interface for treatment of sleep disordered breathing using air pressure by delivery of air to a patient's airway. The method includes locating a shell, a first sub section of a seal forming structure, and a first section of the seal forming structure in a tool. The first sub section includes a groove. The first section is constructed from a thermoformable material. The method further includes introducing a moulding material to the tool and overmolding the shell, the first sub section, and the first section. The moulded material forms a second sub section of the seal forming structure that connects the first sub section to the shell and fully encloses the first section within the groove.

A blocking and locking device for a thermoforming mold half includes a pin configured to be engaged with a forming half-mold and including a hole at one of its ends. The device further includes an actuation mechanism configured to be engaged with an operational plate associated with the thermoforming half-mold, and including an actuator and at least one longitudinal bolt connected to the actuator and configured to be inserted into the through opening of the pin for the selective locking of the half-mold to one of said operational plates.

The present invention provides a thermoformed component with excellent coating corrosion resistance and a method for manufacturing the same. The thermoformed component includes a base steel and an aluminum alloy coating. The base steel contains 0.015-0.10% Sb by weight. The aluminum alloy coating includes an intermediate layer and an outermost layer located on top of the intermediate layer.

The anti-static plastic uptake sheet conveying device comprises a conveying frame, a bottom plate is fixed to the bottom of the conveying frame, two anti-static liquid storage barrels are arranged at the top of the bottom plate, a suction pump is installed on the bottom wall of an inner cavity of each anti-static liquid storage barrel, and a liquid outlet of each suction pump communicates with a flow guide pipeline; a conveying-in roller and a conveying roller are installed on the top of the conveying frame, and a height-adjustable anti-static liquid adhesion disc is arranged at the position, close to the conveying roller, of the middle of the conveying frame. The anti-static liquid adhesion disc, the flow guide pipeline, the anti-static liquid storage barrel and other structures are arranged below the conveying roller, so that the effect of adhering anti-static liquid to the conveying roller can be achieved, static accumulation on the surface of an object is eliminated, the phenomena of static interference and dust adhesion are prevented, and therefore the production efficiency and the product quality of plastic uptake sheets can be guaranteed.