325 results about "Thermoforming" patented technology

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.

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 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.

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.

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.

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.

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 invention relates to a thermoforming packaging machine (1) comprising at least one transport chain (9) which grasps a bottom film (8) and transports it in a transport direction (R) for each main work cycle, and at least one drive unit (18) for driving the transport chain (9) in the transport direction (R), wherein, for fine positioning of the transport chain (9) in an area of ​​at least one work station of the thermoforming packaging machine (1), a pairing of several chain links (16) of the transport chain (9) driven in the transport direction (R) by means of the drive unit (18) with a separately driven toothing (17, 17') can be produced.

An in-situ thermoforming and (co-)consolidation process for joining two components together. An adaption of one of the components to the contour of the other component is done directly before a joining step with the other component in the same tooling by adapting process parameters such as heat and pressure. Also a stiffened component manufactured by such a method.

The invention relates to a motor vehicle component, wherein the component comprises at least one carrier material consisting of a thermoformed polyurethane foam, which has a weight per unit area of between 0.5 kg / m2and 8.0 kg / m2, preferably between 0.8 kg / m2and 4.0 kg / m2, particularly preferably between 1.0 kg / m2and 3.0 kg / m2, and a thickness of between 0.5 mm and 20 mm, preferably between 1 mm and 15 mm, particularly preferably between 2 mm and 10 mm, and wherein at least one nonwoven fabric is applied on one or both sides of the at least one carrier material.

The invention discloses a stirring friction welding rapid heating plate for a blade runner. The invention mainly relates to a rapid heating forming cold setting plate between thermal forming equipment and a mold. External heat energy steam enters the working cavity of the heating plate through the hole sites, absorbs heat energy through the high-density blades in the cavity of the heating plate and can be rapidly heated, cooling water inlet holes are formed in the side face, cold water enters the cavity of the heating plate, flows through the high-density blades, can rapidly absorb heat energy and flows out of the hole sites in the side face, and rapid cooling can be achieved. The device can be mounted on production equipment, and the mold can be mounted on a heating plate, so that the production speed of foaming materials needing hot forming and cold setting can be increased.

The utility model relates to the technical field of electrochromic device manufacturing, in particular to an electrochromic device thermal forming die which comprises a first adjusting assembly arranged on the side, away from a first curved surface, of an upper pressing plate, a second adjusting assembly arranged on the side, away from a second curved surface, of a lower pressing plate and an adjusting column detachably fixed to the pressing plates. The supporting cross rod is arranged on the adjusting column in a sliding and sleeving mode, the first vertical rod and the second vertical rod are perpendicularly connected to the two ends of the supporting cross rod respectively, and the first adjusting piece and the second adjusting piece are connected to the adjusting column in a threaded mode and located above and below the supporting cross rod respectively. Through collaborative design of the upper pressing plate, the lower pressing plate and the curvature adjusting device, dynamic and accurate regulation and control of the curvature of the curved surface are achieved; through the arrangement of the adjusting column, the supporting cross rod, the vertical rod and the threaded adjusting piece, mechanical transmission is used for applying acting force to the pressing plate, so that the pressing plate is locally deformed, the curved surface curvature of the pressing plate is adjusted, the operation is rapid and convenient, and the production efficiency of the multi-specification curved surface electrochromic device is improved.

The utility model discloses a thermal forming device for a plastic processing part of a precision connector, which comprises a start-stop component mounted on one side of a fixing frame, an operating frame is fixed at the right end of the fixing frame, and a heating component is mounted on the left side in the fixing frame; a forming mechanism for processing heated plastic is installed on the inner side of the operation frame, the output end of the heating assembly acts on one end of a heating pipe, the heating pipe is fixed to the top end of the inner side of a heat insulation frame, and a groove facilitating sliding of a bearing piece is formed in the heat insulation frame. A demolding mechanism is arranged in the right side of the fixing frame, and an ejector rod of the demolding mechanism corresponds to the position below the bearing piece. According to the thermal forming device for the plastic machined part of the precise connector, the demolding mechanism is arranged, through the arrangement of the demolding mechanism, a formed part formed at the top of the bearing part can be subjected to vibration demolding through the back-and-forth movement of the ejector rod, and in addition, heating treatment can be achieved through the arrangement of the heating assembly.

DEPCT66 What was revealed was a hot-molded assembly with excellent paint adhesion and resistance. Post-painting corrosion when subjected to electrostatic deposition painting. The zirconium-based chemically conjugated hot-molded components revealed herein include: Steel base plate; a Fe-Zn-Al-Mg based alloy coating containing an alpha-Fe phase. The gamma phase is formed on at least one surface of the base steel plate at a weight of coating material. The surface area is 40-400 g / m²; and an oxide layer containing Zn, Al, and Mg forms on the coating. Fe-Zn-Al-Mg based alloys, where the gamma-I / alpha I ratio is 0.5 or less when measured. By X-ray diffraction using a Co-K alpha radiation source (wavelength: 1.79021 angstroms). At an angle of incidence of 25 degrees, where I gamma is the intensity of the diffraction peak of the plane (411) of the phase. The gamma appearing in the angular range of 41.5 degrees is less than or equal to 2 theta less than or equal to 43.0 degrees, and alpha is the peak intensity. The plane diffraction (110) of the alpha-Fe phase appearing in the angular range of 51.0 degrees is less than or equal to 2 theta, less than or equal to 52.0. The degree, and the sum of the concentrations of Al and Mg in the oxide layer, is 28 percent by atom. Or more -----------------------------------------------------------

This utility model relates to the field of punching die technology and discloses a thermoforming punching die for sound insulation pads, including a mother template. A lower fixing plate is fixedly connected to the bottom of the mother template. A dust removal component is fixedly connected to one end of the lower fixing plate, and a cooling component is fixedly connected to the other side of the mother template. The dust removal component includes a diverter pipe fixedly connected to one end of the mother template, a cyclone separator fixedly connected to one side of the diverter pipe, and a dust collection bin fixedly connected to the bottom of the cyclone separator. The cooling component includes a cooling box fixedly connected to the other side of the lower fixing plate, a radiator fan fixedly connected to one side of the cooling box, and a coolant hose fixedly connected to the other side of the cooling box. This thermoforming punching die for sound insulation pads effectively removes accumulated residue and dust from the die surface, preventing it from affecting the temperature conduction and forming accuracy of the die, improving the dimensional accuracy of the product, and increasing overall production efficiency.

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.

The application provides a 1700MPa-grade hot forming steel with high cold bending performance and a preparation method and application thereof. A surface layer of the hot forming steel has soft ferrite structure, a subsurface layer has mixed structure of soft ferrite and martensite, and a core layer has carbon-poor martensite structure. The preparation method comprises any one or a combination of at least two of the following conditions: (A) the coiling temperature after hot rolling is 650-700 DEG C; (B) the pickling speed is less than or equal to 150 m / min; (C) the temperature of continuous annealing is 780-830 DEG C; (D) the atmosphere in the furnace is a mixture of nitrogen and hydrogen; (E) the dew point temperature is-35 DEG C to-17 DEG C. Through fine component design and process integration, the application successfully solves the contradiction between material strength and toughness, realizes double guarantee of high strength and high toughness, simultaneously meets the light weight requirement, and improves the competitiveness of existing products.

This application discloses a material changing device and a thermoforming device. The material changing device is used to replace consumables on a preheating fixture. The preheating fixture has a recess and a first protrusion within the recess. The consumable is disposed in the recess and fitted onto the first protrusion. The device includes a base, a push plate, and a pushing assembly. The base has a positioning block and a second protrusion. The positioning block positions the preheating fixture so that the first protrusion and the second protrusion are opposite each other. The push plate is connected to the base and is disposed on at least a portion of the periphery of the second protrusion. The pushing assembly is connected to the push plate and is used to drive the push plate to move, separating the used consumable from the second protrusion for placing a new consumable on the second protrusion. After the new consumable is placed on the second protrusion, the pushing assembly drives the push plate to rise again, pushing the new consumable into the recess and fitting onto the first protrusion. This improves production efficiency by reducing the time spent waiting for the preheating fixture to cool down and reheat.