124 results about "Roll forming" patented technology

This application relates to apparatus and methods for roll forming of high-refractive-index glass sheets. The method of forming a glass sheet includes: (a) forming a glass ribbon from molten glass using a pair of forming rollers; (b) reducing the horizontal temperature variation of the glass ribbon over 80% of its entire width before cooling to the glass transition temperature to 10°C or less; (c) controlling the cooling rate of the glass ribbon as it moves longitudinally downward in the solidification zone such that the glass ribbon has a first average cooling rate before cooling to the glass transition temperature and a second average cooling rate after cooling to the glass transition temperature, the first average cooling rate being less than the second average cooling rate; and (d) separating the glass sheet from the glass ribbon.

The application relates to the technical field of metal material processing, in particular to a rolling forming process of an aluminum composite plate, which comprises the following steps: S1, surface pretreatment of the aluminum composite plate; S2, accurate clamping and positioning; S3, applying directional pressure and material flow guiding to the aluminum composite plate through a multi-station continuous rolling forming device; S4, multi-pass progressive rolling and local thickening; S5, cooling, shaping, surface finishing and nondestructive testing. The application has the following effects: the multi-station continuous rolling device applies radial and axial pressure, drives directional flow of the material, realizes local accumulation and thickening through multi-pass progressive rolling, realizes the local strengthening effect of on-demand material distribution according to the principle of invariable volume, reduces the waste of the material in the aluminum composite plate processing process, improves the material utilization rate, and reduces the production cost.

The application provides a kind of for deformation prevention manufacturing process and positioning mould of cylinder piece, comprising the following steps: step one, determine blank size, adopt split type blanking scheme, after blanking, each single piece arc segment is respectively carried out roll forming processing;Step two, design and manufacture deformation prevention positioning mould;The arc segment after segmented roll forming is assembled one by one in the deformation prevention positioning mould for positioning and spot welding fixation, welding is realized in the welding process by the whole turnover mould to realize the welding of both sides weld;Step three, make special bottom mould platform, a plurality of special platforms for placing shock-absorbing support are designed on the bottom mould platform;Matched production detachable shock-absorbing support;Step four, adopt vertical lathe processing mode, find the welding completed cylinder blank on the vertical lathe workbench;In turn, rough machining and finishing are carried out.The stability of machining precision and surface quality caused by the insufficient rigidity of thin-walled cylinder piece in traditional process is solved.

This utility model belongs to the technical field of high-strength plate welding for automotive roll forming parts. It discloses a welding device for high-strength plates used in automotive roll forming parts, including an operating table. A movable component is mounted on the upper surface of the operating table, and a welding component is mounted on the upper surface of the movable component. A pair of sliding grooves are provided on the upper surface of the operating table, and a positive and negative threaded screw is rotatably connected between the two grooves. A pair of sliders are threadedly connected to the outer periphery of the positive and negative threaded screw within the two sliding grooves. A mounting plate is mounted on the upper surface of the sliders. A clamping block is connected to the upper end of one side of the mounting plate, and a support block is mounted on the lower end of one side of the mounting plate. A cylinder is mounted on the upper surface of the support block, and a connecting block is mounted on the output end of the cylinder. A fixing block is mounted on one side of the connecting block. This device has a simple and reasonable structure, novel design, and is easy to operate. It has high practicality and is easy to widely promote and use.

This invention discloses a method for near-net-shape forming of complex thin-walled irregular-shaped rings based on a dissimilar material cladding, relating to the field of material plastic forming technology. The method includes: determining the required blank material and cross-sectional allowance of the same material for ring rolling forming of the target ring; determining the dissimilar material cladding based on the cross-sectional allowance; the dissimilar material having a higher stiffness than the blank material; fabricating the blank material and the dissimilar material cladding; covering the blank material with the dissimilar material cladding and performing ring rolling to obtain an initial ring; and removing the cladding from the initial ring to obtain the target ring. This invention solves problems such as buckling instability, loss of dimensional accuracy, uneven wall thickness, excessive ellipticity, and large subsequent machining and low material utilization under large allowance design during the rolling process of thin-walled rings. It achieves high-precision near-net-shape forming of large-diameter, thick-walled titanium alloy irregular-shaped rings, improving material utilization and reducing material costs.

A method of forming a split structure beam for a vehicle includes roll forming a sheet to form a first tube section extending along a first side of the sheet and a second tube section extending along a second side of the sheet opposite the first side. A center wall of the sheet connecting the first tube section and the second tube section is separated or split along a length of the sheet. The center wall is longitudinally separated into a first flange portion integrally extending from the first tube section and a second flange portion integrally extending from the second tube section. A joint can be formed longitudinally along the sheet in a non-linear shape, such as a repeating curved pattern, to provide a desired shape for the first flange portion and the second flange portion. In some examples, the joint can form a wavy edge having a sinusoidal shape.

The utility model belongs to the field of roll forming machine technology, concretely is a kind of roll forming machine for security door production, including operation frame, two lower pressure rollers are rotatably connected between the both sides of the inner surface of operation frame, the first mounting bracket is fixedly connected in operation frame top, two first sliding slots are set in the both sides of the surface of first mounting bracket, the pressure roller mounting bracket is slidably connected in the inner side wall of two groups first sliding slot, two upper pressure rollers are rotatably connected between the both sides of the inner surface of two pressure roller mounting bracket.The utility model is provided with screw rod, worm wheel, worm and pressure roller mounting bracket etc. component, shaft drives worm wheel meshing transmission, two screws are driven two pressure roller mounting bracket and upper pressure roller synchronous up-down movement with the rotation of two worm wheels, the gap between upper pressure roller and lower pressure roller can be adjusted, compared with prior art, it can be applicable to the roll forming process requirement of different thickness models, more practical.

This application provides a conveying device for an automatic roll forming machine, relating to the field of roll forming machine technology. It includes a machine base, and a roll paper conveying unit, an outer tube paper conveying unit, and a roll forming unit mounted on the machine base. The roll paper conveying unit and the outer tube paper conveying unit are symmetrically mounted on both sides of the upper end of the machine base. The roll paper conveying unit includes a shelf, a first feeding trough, a second feeding trough, a third feeding trough, and a fourth feeding trough. A translational feeding robotic arm is provided on the outer side of the roll paper conveying unit, used to gradually convey the roll paper from the first feeding trough to the second feeding trough, the third feeding trough, and the fourth feeding trough. Through the coordinated operation of the above units, this invention achieves fully automated conveying and assembly of the roll paper and outer tube paper from feeding, processing, gluing, winding to unloading. It features a compact structure, stable operation, and effectively improves production efficiency and product quality.

A method for manufacturing a formed product includes: (i) bending a plate-shaped workpiece, which extends in a length direction of the formed product and has at least one through part formed therethrough, by roll forming to form at least one ridge part on the workpiece such that the at least one ridge part overlaps the at least one through part; (ii) cutting the workpiece, which has the at least one ridge part formed thereon, along a cutting plane intersecting the length direction through the at least one through part, thereby obtaining an intermediate formed product having a main body part and at least one end piece part facing the at least one through part from a direction perpendicular to the length direction; and (iii) bending the at least one end piece part to form at least one flange part on the intermediate formed product, thereby obtaining the formed product.

This invention discloses a method for forming super copper flat wire for motor stators, applicable to the fabrication of high-conductivity super copper wires for stator windings in new energy vehicle motors. The method includes the following steps: S1: Selecting a graphene copper-based composite material (3); S2: Cutting the graphene copper-based composite material (3) into strip-shaped graphene copper-based composite strips using a punching die; S3: Feeding the punched graphene copper-based composite strips into the inlet channel (410) of a roll forming line at an inclination angle of 25-35°, and outputting them from the outlet channel (420) after being rolled by multiple sets of upper and lower rollers (4); the graphene copper-based composite strips are plastically deformed and compressed to form super copper flat wire for motor stators. This method addresses the layered structure characteristics of graphene copper-based composite materials by employing punching and roll forming techniques to solve technical problems such as low efficiency and high cost.

A roll forming device for recycled polytetrafluoroethylene (PTFE) strip includes a base, a column, a double-threaded rod, a hexagonal head, a positioning pin clamp, a second roller frame, and a pressure roller. The base has a connecting platform on its side. The upper part of the base is fixedly connected to the column. The upper part of the column is fixedly connected to a frame. The front part of the frame is fixedly connected to a cylinder frame. The cylinder frame has a guide groove on its side. The upper part of the lifting frame has a guide rod. The lifting frame is adapted to the guide rod and is connected to it. The guide rod slides inside the lifting frame. The upper part of the guide rod has a limit. The front part of the cylinder frame is fixedly connected to a cylinder. The lower part of the cylinder is fixedly connected to the lifting frame. The lifting frame has a cantilever on its side. The front part of the column and the lower part of the cantilever are both fixedly connected to the first roller frame.

1. Name of the product in this design: Roll drawing machine profile. 2. Purpose of this design: For use in roll forming machines. 3. The key design feature of this product is its shape. 4. The picture or photo that best illustrates the key design points: Design 1 3D diagram 1. 5. Design 1 is designated as the basic design.

A method for manufacturing a round longitudinally corrugated steel pipe, comprising: pressing a seamless round steel pipe by means of an integrated inner-outer interleaved cold bending roll forming machine, allowing longitudinal corrugations to be formed on the seamless round steel pipe, thereby forming a round longitudinally corrugated steel pipe (3), wherein the longitudinal corrugations are parallel to the axial direction of the seamless round steel pipe, and the diameter the seamless round steel pipe is larger than that of the round longitudinally corrugated steel pipe (3).

In a first aspect of the present invention there is provided a method of making a wind turbine blade shear web comprising an elongate web panel and an elongate web foot. The method comprises providing an elongate web panel component. The method further comprises providing a strip of material comprising a plurality of plies comprising reinforcing fibres, the plurality of plies being arranged in a stack. The method comprises roll forming the strip of material into an elongate roll-formed web foot component having the plurality of plies arranged in a layered structure and comprising a base and an upstand extending substantially transverse to the base. Roll forming the strip of material comprises applying heat to the strip of material. Roll forming the strip of material also comprises feeding the strip of material through at least one roller which bends a first portion of the strip relative to a second portion of the strip such that the first portion extends substantially transverse to the second portion. The first portion thereby defines at least part of the upstand of the roll-formed web foot component and the second portion thereby defines at least part of the base of the roll-formed web foot component. The method further comprises attaching the upstand of the elongate roll-formed web foot component to the elongate web panel component.

This application provides a roll forming machine and method for TMP integrated tile. The roll forming machine includes multiple sets of rollers. The roll forming of TMP composite profiles is divided into four roll forming processes. The first roll forming process includes a first upper roller and a first lower roller. The first upper roller includes a first protrusion, and the first lower roller is provided with a corresponding first groove. The second roll forming process includes a second upper roller and a second lower roller. The second upper roller includes a second groove, a relief structure, and an inclined pressing surface. The second lower roller is provided with a second protrusion corresponding to the second groove. The third roll forming process includes an upper pressure roller set and a lower pressure roller set symmetrically arranged on both sides of the second upper roller and the second lower roller. The fourth roll forming process includes a third upper roller and a third lower roller. The third upper roller includes a third groove, and the third lower roller is provided with a corresponding third protrusion. The forming method adopts a "first lower pressure - then upper support" process to form the nose structure.

This application provides a roll forming machine and a forming method for forming a snap-fit ​​structure of sheet metal parts. The roll forming machine includes a frame, and the frame is provided with multiple sets of roller groups and multiple sets of guide roller groups along the feeding direction of the sheet metal parts. The guide roller groups are arranged interlaced between adjacent sets of roller groups along the feeding direction. The guide roller groups are divided into a left guide roller group and a right guide roller group. The roller groups include a first forming die group, a second forming die group and a third forming die group. The left guide roller group includes a first folding die group and a folding die group. The right guide roller group includes a folding die group and a second folding die group. The forming method is to form a locking edge structure by bending the sheet metal parts on the left edge using the first folding die group, forming a left overlap portion by bending the sheet metal parts on the left side using the folding die group, forming a right overlap portion by bending the sheet metal parts on the right side using the right guide roller group, and forming a locking edge structure by bending the sheet metal parts on the right side using the second folding die group.

This invention relates to the technical field of metal layered composite plate rolling forming, and particularly to a composite structure electrically heated roll device with independent temperature control. The device includes a frame, a covered electrically heated roll assembly, and an electrical component. The covered electrically heated roll assembly includes a roller shaft, an electrically heated layer, a wedge-shaped insulating bushing, a roll sleeve, and an insulating coating. The electrically heated layer is made of a conductive material with suitable resistivity, and its inner surface adopts an arc-shaped contour design. The side has an arc-shaped groove design with embedded graphene surface contact conductivity to improve conductivity and achieve gradient heating and temperature compensation in the width direction of the plate. The electrically heated layer and the roller shaft are connected by an interference fit with the wedge-shaped insulating bushing. The roll sleeve is fitted onto and adheres to the outer surface of the electrically heated layer, and its inner wall is coated with an insulating coating to block current conduction to the roll sleeve. The electrical component is mounted on the rear side of the frame via a guide rail to realize the electrically heated function of the roll, and is also compatible with the hydraulic cylinder pressing auxiliary system.

The utility model discloses a kind of automobile anticollision pipe roll forming die, it is related to forming die technical field.The automobile anticollision pipe roll forming die, including die holder, vertical frame, hydraulic cylinder, slide, side mould, spring, moving frame, auxiliary mould and push block.The device is used in the slide inside for the slide of side mould limiting setting and is provided with guide rod and sliding block, sliding block is fixed or is unfixed between guide rod by two groups of clamping plate, double thread rod and drive motor, after being fixed between it, the position of guide rod is adjusted by electric telescopic rod, to adjust the setting position of side mould connected with it, so that side mould can be further position moved in the technology of spring control, ensure that side mould can be moved in place, and then the quality of automobile anticollision pipe roll forming is guaranteed.

A turret roll forming machine includes at least one turret assembly carrying multiple rows of tooling (e.g., forming rollers), rotatable about an axis to selectively align rows of tooling with an input or output. A transmission is accessible from an exterior of the turret assembly without disassembling of the turret assembly to perform a changeover of roll tooling and / or maintenance on gears, bearings, or shafts of the transmission. Thus, a chain drive may be employed, advantageously accommodating differing rotational speeds for top and bottom forming rollers of each pair of forming rollers, e.g. to reduce roll scuffing. Pairs of forming rollers may be provided as cassettes, which are removably coupleable to the turret assembly allowing quick and easy reconfiguration and / or servicing, minimizing negative effects of changeover. The turret assembly may be a unitary structure (e.g., a weldment) improving rigidity and increasing accuracy of roll forming operations.

This invention discloses a lithium electrode tab rolling mechanism, relating to the field of lithium battery manufacturing technology. It aims to solve the problem of wrinkling and breakage of electrode sheets during current roll forming production. The key technical points are: a lithium electrode tab rolling mechanism, comprising a pre-rolling assembly and a roll forming assembly. The pre-rolling assembly includes a pre-rolling section that contacts the tab's rolling area and a first straightening section. The pre-rolling section includes several rolling rollers that contact and press the tab's rolling area, and several second straightening elements disposed on the non-working side of the rolling rollers. The second straightening elements contact and position the rolling rollers. The first straightening section includes several straightening power sources with opposite power output directions. When the rolling rollers contact the tab's rolling area and begin rolling, the straightening power sources apply force to the rolling rollers from multiple directions to position the working trajectory of the rolling rollers. The beneficial effect of this invention is that it improves the pre-rolling effect through multi-directional positioning and straightening force, thereby reducing the occurrence of wrinkling and breakage.

The application discloses a short-process low-cost Ti-55531 high-strength titanium alloy rod forging method and belongs to the technical field of titanium alloy material processing. The method comprises the following steps: material preparation, first high-temperature forging, second high-temperature forging, surface treatment, low-temperature upsetting and drawing and redrawing, continuous hexagonal drawing and rolling forming. The forging and rolling are regarded as necessary processes after each drawing by optimizing heating process parameters and deformation time sequence, combined with the cooperative process of reversing upsetting and drawing and rapid water quenching, the organization evolution is accurately controlled, the efficiency and uniformity are improved by adopting the multi-fire continuous deformation mode, and finally the processing loss is reduced by precise forming, so that the efficient and economic preparation of high-performance rods is realized.

A roll forming online zinc scraping device includes a scraper assembly, a clamping assembly, and a mounting support. Two sets of scraper and clamping assemblies are symmetrically fixed at both ends of the mounting support. Two sets of clamping assemblies are symmetrically positioned between the two sets of scraper assemblies. The mounting support is mounted on the forming assembly. Each scraper assembly includes a slide groove, a first adjusting bolt, a blade holder, and a scraper. The slide groove is fixed to the top of the mounting support. The blade holder is L-shaped, with its long arm fixed to the slide groove by the first fixing bolt. The scraper is fixed to the end of the short arm of the blade holder. One end of the first adjusting bolt is threaded to the end of the long arm of the blade holder, and the bolt head at the other end is engaged with the outer end of the slide groove. A locking nut is provided on the first adjusting bolt located inside the slide groove. This zinc scraping device can conveniently, quickly, and stably remove the zinc layer from the surface of galvanized sheets, ensuring welding quality.

This utility model relates to the field of roll forming machine technology, and discloses a roll forming machine for easy conveying of waterproof roll forming materials. It includes a frame, multiple conveyor rollers rotatably connected to the frame, and a conveyor belt sleeved between the multiple conveyor rollers. A pressing assembly, a cleaning assembly, and a winding assembly are sequentially installed on the frame along the conveying direction of the conveyor belt. The winding assembly includes a winding roller, mounting cylinders symmetrically installed on both sides of the frame, and clamping assemblies that hold both ends of the winding roller. A winding assembly that drives the mounting cylinders on both sides to rotate synchronously on the frame is installed at the bottom of the frame. This utility model has the following advantages and effects: it facilitates quick disassembly of the winding roller and improves the conveying and winding efficiency of waterproof roll forming materials.

This invention discloses a differentiated curing process and equipment for synchronous roll forming of AB-component silicone OCA using dual release films. The curing equipment includes a frame, a feeding assembly, a composite roller assembly, a differentiated temperature control module, and a winding mechanism. The feeding assembly, composite roller assembly, differentiated temperature control module, and winding mechanism are sequentially arranged and installed on the frame. The differentiated temperature control module includes a cooling air device located on the upper side of the material channel and an infrared preheating device located on the lower side of the material channel. This invention is fully compatible with AB-component silicone OCA, with a curing temperature close to the conventional process of around 120℃. The synchronous roll forming of dual release films covers a full thickness of 50-1200μm. The upper cooling and lower preheating design allows the upper film side adhesive layer to quickly set, reducing the interfacial adhesion to 3-5gf / in. After preheating, the lower film side adhesive layer's adhesion to the film increases to 8-14gf / in, a gradient of 5-9gf / in. This results in an upper film that is easy to peel off without adhesive residue, and even thick adhesive layers do not adhere.

This invention discloses an integrated hot melt adhesive coating and roll forming device for MPC panels, belonging to the field of MPC panel processing technology. The device includes a frame, with a first conveyor belt assembly and a second conveyor belt assembly positioned at the front of the frame, distributed front to back. The first conveyor belt assembly is used to transport a metal plate, and a hot melt adhesive coating head is mounted on its upper side for uniformly coating the metal plate surface with hot melt adhesive. An electric stop positioning plate is fixedly arranged between the first and second conveyor belt assemblies, and a copper guide plate is mounted on the upper side of the first conveyor belt assembly for supporting copper foil sheets. In this invention, a laser spacing detection sensor detects the metal plate's arrival and sends a signal, causing the first conveyor belt assembly to stop conveying. The copper foil sheets slide down along the copper guide plate and pass through the pre-pressing roller assembly, where they are forcibly aligned with the metal plate at the electric stop positioning plate.

This invention relates to the field of machining technology and discloses a multi-segment convex-concave variable diameter hollow shaft roll forming equipment and method, including a feeding mechanism, a transfer mechanism, a robot mechanism, a heating mechanism, and a roll forming machine; the transfer mechanism includes a displacement driving component, a transfer table, and a clamping and positioning component; the displacement driving component is used to drive the transfer table to move; the transfer table is provided with a semi-finished product receiving groove and a blank receiving groove, the blank receiving groove is used to receive the blank bar output by the feeding mechanism, and the semi-finished product receiving groove is used to receive the semi-finished product bar after one roll forming process; the heating mechanism is used to heat the area to be processed of the bar, and the clamping and positioning component is used to clamp the bar and drive the bar to move, switching the heating position; the invention replaces the traditional rotary forging process with hot roll forming, requiring only one set of conforming mold to complete the processing of multi-segment convex-concave variable diameter structures, and combined with a fully automated production line, significantly reduces equipment and mold costs, and the cyclic processing steps effectively improve production efficiency.

This application discloses a path planning method, equipment, and medium for laser additive manufacturing-conformal rolling composite forming, relating to the field of laser additive manufacturing. The method includes: acquiring a layered contour of the part to be formed; dividing the layered contour into a contour trajectory according to a preset offset distance; determining the outer bounding region of the contour trajectory; obtaining a forming direction transformation strategy based on projection parameters of the contour trajectory within the outer bounding region; constructing a straight-line filling trajectory within the contour trajectory based on the projection parameters and preset spacing parameters; and combining the contour trajectory and the straight-line filling trajectory into an actual forming trajectory according to the forming direction transformation strategy, so that a forming equipment can perform composite forming based on the actual forming trajectory. This application achieves the technical effect of improving the forming quality of metal parts by using the contour trajectory and the straight-line filling trajectory for path planning of the dimensional region of the part to be formed.