65 results about "Forming force" patented technology

The invention belongs to the technical field of optical element manufacturing, particularly discloses a compensation control method for wavefront distortion of a thermal bending surface of vehicle-mounted optical glass, and aims to solve the problem of wavefront distortion caused by non-uniform stress and thickness change in a thermal bending forming process. Comprising the following steps: performing local pre-deformation treatment in a non-optical function area of optical glass to form a compensation stress source; in the main bending forming stage, the glass is deformed to a preset threshold value, and the forming force is maintained; and stress release triggering operation is executed on the non-optical function area, so that the compensation stress source is controlled to release, additional adjusting force generated by the compensation stress source and main bending forming force act synergistically, accurate adjustment of the curved surface and the thickness of the optical function area is completed, and finally a stable balance locking structure is formed. According to the invention, systematic wavefront distortion is compensated and inhibited, and the product yield and the performance stability in a wide temperature range are improved while curved surface forming and optical performance optimization are synchronously completed.

The present application relates to the field of stamping equipment, especially to a kind of stamping integrated equipment and method of energy storage steel row, including rack, the top of the rack is fixedly connected with workbench, the top of the workbench is installed with bottom plate, the top of the bottom plate is installed with lower die plate, the rear side of the workbench is installed with fixed frame, the front end of the fixed frame is fixedly connected with hydraulic cylinder in upper portion, the bottom of the hydraulic cylinder is fixedly connected with mounting plate in telescopic end, the bottom of the mounting plate is installed with upper die plate by bolt, the bottom of the upper die plate is all penetrated and slidably connected with guide pillar, the bottom end of the guide pillar is all fixedly connected with middle pressure plate, ultrasonic vibration head is arranged in bending stage, and high-frequency vibration is transmitted to bending plate by vibration piece and hydraulic medium, high-frequency dynamic stress disturbance is applied to material while the mechanical bending force acts, can promote material internal dislocation movement and plastic flow, reduce local deformation resistance, to effectively reduce bending forming force.

This invention discloses a sheet metal forming method and system based on bending springback compensation. The invention relates to the technical field of sheet metal forming. During the execution of a time-series machining path, the bending region of the sheet metal part in the current pass is acquired, and the corresponding local forming force and regional strain distribution information are marked. This information is further input into a preset mechanical-geometric coupling space to determine the local springback content of the current bending pass, improving the accuracy of the local springback content of the current bending pass. Using the target form and position tolerance of the final sheet metal part as the boundary constraint, the bending springback compensation content is decoupled and decomposed into angular springback content and linear offset content. The sensitivity matrix of subsequent unexecuted passes is acquired, and dynamic deduction is performed in combination with the angular springback content and linear offset content to allocate the residual compensation amount of the current pass to subsequent passes, improving the accuracy of the forming compensation content of subsequent passes.

This invention discloses a high-precision intelligent forming control method, device, equipment, and storage medium for all-electric metallurgical equipment, relating to the field of intelligent control technology for metallurgical forming equipment. The method includes: performing stage self-identification of the metallurgical forming process based on the operating signal of the direct-drive motor to obtain stage identification results; switching the corresponding control strategy based on the stage identification results; controlling the direct-drive motor according to the switched control strategy, and introducing a virtual response mechanism to adjust the dynamic characteristics of the control system during stage switching to obtain adjusted control parameters; determining the forming load based on the mapping relationship between the electromagnetic torque of the direct-drive motor and the forming load, generating control commands based on the forming load, and controlling the output of the direct-drive motor based on the control commands and adjusted control parameters to achieve closed-loop control of the forming force. This achieves high-precision force control and multi-axis synchronous coordination throughout the entire metallurgical forming process without relying on external force sensors.

The present application relates to the technical field of plastic precision forming of metal profiles, and specifically to a precision plastic forming method and equipment for metal profiles. The equipment is provided with an upper die movement mechanism and a lower die setting mechanism. The movement execution mechanism of the upper die movement mechanism is installed with a bus roller set. The lower die plate of the lower die setting mechanism is installed with a bottom die cavity with different profile structures. Through one-way linear movement of the hydraulic cylinder of the movement execution mechanism and extrusion and shearing of the bus roller set, metal flow fills the bottom die surface to realize the processing of the metal profile. The present application can be used for the forming of metal profiles with different specifications and cross-sectional forms, including but not limited to channel steel, bulb steel and other products. The present application can be used for ferrous metals, non-ferrous metals, composite materials and the like, and can also be used for hot forming, warm forming and cold forming. The present application is a local incremental forming method, which has the advantages of high forming efficiency, high product size precision, small springback, good flatness, small forming force and the like.

The invention discloses a preparation method, system, device and equipment of an electromagnetic forming coil and a storage medium, and the method comprises the steps that target process parameters of a plate in electromagnetic forming coil machining are obtained, the plate comprises a to-be-machined metal thin plate or pipe, and the target process parameters comprise the target shape and the target size of the plate; generating a control signal based on the target process parameter; generating a forming force based on the control signal; and the forming force acts on the plate, so that the plate is deformed under the action of the forming force. The effect of improving the preparation and production efficiency of the electromagnetic forming coil is achieved.

This utility model discloses a dovetail slider side forming mold, belonging to the field of sheet metal processing technology. It includes an upper mold base and a lower mold base used in conjunction. A material strip positioning component is installed between the upper and lower mold bases, and a first forming component and a second forming component for step-by-step forming of parts are installed between the upper and lower mold bases along the material strip conveying direction. A punching component is used to simultaneously perform punching operations on the parts. The first forming component also includes a side forming component, which is used to shape the folded edges of the parts. Through the above methods, this application optimizes the existing side forming structure, utilizing the inclined plane self-locking effect to suppress slider retreat caused by lateral force, ensuring stable forming force, and achieving higher precision, longer life, and more complex forming requirements. It is suitable for high-end manufacturing scenarios such as high-strength steel, lightweight materials, and complex multi-directional forming.

This application belongs to the field of metal electromagnetic high-speed forming manufacturing technology, specifically disclosing a method and system for obtaining an electromagnetic forming actuator. The method includes: determining the basic structural parameters of the electromagnetic forming actuator with the goal of maximizing the magnetic energy utilization efficiency and the electromagnetic force impulse on the workpiece; obtaining the bottom morphology function of the electromagnetic forming actuator based on the electromagnetic forming force field requirements, and determining the parameters to be optimized and their value ranges in the bottom morphology function; determining a typical deformable workpiece configuration based on the workpiece deformation process and the target forming shape; calculating the weighted average of the magnetic field distribution uniformity index and magnetic energy efficiency of the electromagnetic forming actuator with different bottom morphology parameters on the typical deformable workpiece configuration; and selecting the optimal bottom morphology parameters based on a multi-objective optimization model with the goal of improving the magnetic field uniformity and magnetic energy efficiency. This application fundamentally solves the problem of uneven electromagnetic force caused by the structure of the electromagnetic forming actuator.

This invention relates to the field of incremental forming technology, specifically to a method and system for two-point incremental forming of industrial robots based on a multimodal large model. The method includes: acquiring multimodal data of a main forming robot and an auxiliary forming robot during the two-point incremental forming process; obtaining joint stiffness coefficients based on the multimodal data; obtaining registered point cloud data based on source point cloud data and target point cloud data; obtaining descriptive text and preliminary compensation values ​​based on six-dimensional forming force data, data source point cloud data, and textual description data of the forming scene; obtaining predicted compensation values ​​based on the registered point cloud data, joint stiffness coefficients, descriptive text, and preliminary compensation values; and completing the forming process of the sheet material to be processed based on the predicted compensation values. This invention improves the compensation accuracy of two-point incremental forming by introducing multi-dimensional data input, such as visual data, and by using a multimodal large model as a training model.

The invention provides a high-strength aluminum alloy scalloped segment ultrasonic current collaborative forming device and method.The device comprises an ultrasonic vibration device, a deep drawing forming device and a current control device, and the deep drawing forming device comprises a die pressing head, a heat-resisting flexible male die and a rigid female die; the heat-resisting flexible male die is installed in the upper die frame, the rigid female die is installed on the lower die frame, a blank machining station is formed between the heat-resisting flexible male die and the rigid female die, the die pressing head is installed at the top of the heat-resisting flexible male die, and the ultrasonic vibration device is installed at the top of the die pressing head. The ultrasonic vibration and the pulse electric field are introduced into forming at the same time, the ultrasonic vibration and the current heat effect are utilized at the same time, forming force can be reduced, springback can be reduced, and forming precision can be improved. Conventional hot working is replaced, a die device is simplified, die loss is reduced, and machining efficiency is improved.

A system for forming a pressed earthenware product from a core of a roll of material comprises a positive mold, a negative mold, a heating element, an actuator, a force sensor, and a control system. The positive mold forms the top surface of the pressed earthenware product. The negative mold forms the bottom surface of the pressed earthenware product. The heating element is coupled to either the positive or negative mold. The actuator moves the positive or negative mold to cut and form the pressed earthenware product in a single stroke. The force sensor detects the forming force applied by the actuator, and the control system directs the actuator to adjust the forming force.

Methods for determining surface loads, deformations on forming machines and / or the quality of a formed workpiece, in which with at least one forming tool (1) which is force-fitted to a force transmission element (3) of a forming machine or to a table of a forming machine, a mechanical forming force is applied to a workpiece to be processed during a forming process, which causes a surface load and / or a deformation on at least one contact surface (5) between the at least one forming tool (1) and the force transmission element (3) or between the at least one forming tool (1) and the table, and with at least one sensor (4) designed to detect a physical quantity and attached in or on the tool clamping element (2) at a defined position, detects at least one physical quantity in or on the tool clamping element (2) and transmits measurement data of the at least one physical quantity to an electronic evaluation device, and in the electronic evaluation device the surface load on the at least one contact surface (5) and / or the deformation of the at least one contact surface (5) is determined depending on the respective position and the measurement data of the at least one sensor (4) and / or the quality of a workpiece formed in the process is determined; wherein the surface load and / or deformation of the contact surface (5) is / are determined with an evaluation model with which the measurement data of the at least one sensor (4) for a known position of the at least one sensor (4) in or on the tool clamping element (2) is mathematically mapped to the surface load and / or deformation of the contact surface (5) or the quality is determined by the course of at least one recorded physical quantity as a function of time or of the distance traveled during the forming process of at least one forming tool (1).

The application discloses a kind of real-time pre-support steel structure for foundation pit construction and construction technology, and relates to the technical field of foundation pit support construction, comprising first steel support mechanism, second steel support mechanism, H-shaped steel vertical connecting rod, the first steel support mechanism is rotatably connected with second steel support mechanism by two groups of H-shaped steel vertical connecting rod.The first steel support mechanism and the second steel support mechanism are formed into a linkage whole by the hinged mechanism and the H-shaped steel vertical connecting rod, the ground is assembled once, without secondary lifting, avoid additional load on the edge of pit, save high-altitude work platform erection, process is more simple, construction is safer, with the help of support articulated joint and jack, the length of support is accurately adjusted and prestress is applied, cooperate with servo system to monitor and dynamically compensate axial force and position in real time, form force control and position control double closed loop, response is fast, precision is high, completely solve the problem of traditional support axial force adjustment lag, deformation out of control.

A laser-assisted rivet-free riveting method of composite and metal materials, first, the composite material is stacked on the metal material to complete the laser ring cutting of the composite material through the annular laser to form regular through holes; then the connecting plate is pre-tightened by pressing the concave die; under the forming force of the convex die upward movement, the metal material is plastically deformed and rivet-free riveting is formed at the hole cutting part of the composite material; the waste cutting is collected under the condition of not completely opening the riveting die by opening the concave die outer cylinder in sections. The present application utilizes the difference in the absorption capacity of resin-based composite and metal materials for specific laser waveband laser energy, realizes the continuous process of laser cutting composite and metal material plastic deformation, and further realizes the rivet-free riveting of composite and metal materials without pre-punching, which is suitable for the connection of composite and metal materials with different resin materials as the matrix, and the connection head can have a certain tensile strength.

This invention provides a riveting-free connection method for dissimilar sheet metal, specifically relating to the field of metal sheet metal joining technology. The method includes a low-plasticity first sheet and a high-plasticity second sheet, and specifically includes the following steps: S1. First sheet metal opening stage: A reference circle is drawn on the top of the first sheet, and at least two through holes are opened at equal intervals along the circumference of the reference circle; S2. Positioning and clamping stage: The second sheet is placed above the bottom mold, and the first sheet is placed above the second sheet; simultaneously, the central axis of the punch passes through the center of the reference circle on the top of the first sheet; S3. Punch stamping stage: A joint with enhanced interlocking is prepared; S4. Demolding stage. This invention, by opening several through holes in the low-plasticity upper sheet, reduces the axial flow resistance of the upper sheet during joint forming, promotes and alters the material flow of the lower sheet, and creates conventional interlocking in the un-holeed area and enhanced interlocking in the holed area, effectively increasing the connection strength of the dissimilar sheet metal joint and reducing the forming force required for joint forming.

The invention provides a rice cake forming and packaging integrated device, and relates to the technical field of rice cake packaging. The packaging machine comprises a rack, a forming assembly, a packaging assembly, a feeding assembly, a detection assembly, a film supply assembly, a guide assembly, a displacement assembly and a product plastic box, and the forming assembly is arranged in the middle of the rack and used for providing downward pressing forming force; the packaging assembly is arranged on one side of the forming assembly and used for packaging. The feeding assembly is arranged on the other side of the forming assembly and used for conveying unformed rice cakes; the detection assembly is arranged on the rack and used for detecting whether rice cake materials exist at the discharging end of the feeding assembly or not. The film supply assembly is arranged at the lower part of the rack; the product plastic box is placed on the moving part of the displacement assembly, and the product plastic box is in a preset shape. Through the arrangement of the forming assembly and the packaging assembly, the forming and packaging steps can be completed at a time, and the integrity of the product is improved.

The invention discloses an everting 5D seamless process for a rear shoe cover, which relates to the technical field of shoemaking processes, and comprises the following steps: providing a specially-made rear shoe cover blank of which the predetermined everting area is a composite material layer with continuously gradually changed modulus from inside to outside; performing three-dimensional partitioning and differential energy input on the eversion region; a global controllable non-contact forming force field is established around the softened blank; the air pressure vector of each action point in the force field is calculated and dynamically regulated in real time; programmed cooling cooperating with the characteristics of the phase-change material is carried out on the formed body, and a shoe rear cover finished product is obtained. According to the method, the composite material with the modulus changing in a gradient mode is adopted, partition differential heating is combined with non-contact type laminar flow air pressure field driving, high-precision and damage-free three-dimensional forming of the eversion area of the rear shoe cover is achieved, and the excellent size stability and shape retentivity of a product are guaranteed; and an advanced manufacturing solution with high flexibility, digitization and extremely high consistency is provided for the shoemaking industry.

The utility model provides a cross beam, which relates to the technical field of bed support frames, and comprises a pipe with a cross section provided with a closed structure, a cross beam main body is constructed by adopting the pipe with the closed section, the overall flexural rigidity of the structure is improved, the first side surface of the pipe protrudes to form a first bulge, and the first bulge and the upper end surface of the pipe form a first step surface; the first step face is used for supporting the bed board, the first protrusion and the lower end face of the pipe form a second step face, the end, close to the upper end face, of the first protrusion is provided with a mounting hole, and the mounting hole is used for mounting the supporting pipe, so that the mounting site of the supporting pipe is directly associated with the main bearing area, and a force transmission path is optimized. The supporting pipes installed at the positions of the installation holes can also support the bed board, the bed board can be better attached after being placed on the bed board, and meanwhile the supporting force of the beam is improved due to the fact that the beam body is constructed by the closed-section pipes.

According to the forming device and the forming method, the forming device comprises two sets of symmetrically-arranged extrusion assemblies, each set of extrusion assembly comprises a first extrusion punch, a second extrusion punch and a third extrusion punch, the first extrusion punch is arranged in a first guide groove, and a second guide groove and a third guide groove are formed in the first extrusion punch; a second extrusion punch moving along the second guide groove and a third extrusion punch moving along the third guide groove are arranged in the second guide groove and the third guide groove correspondingly, and the first extrusion punch, the second extrusion punch and the third extrusion punch in the two sets of extrusion assemblies jointly form a forming die cavity. And when the two sets of driving assemblies respectively drive the first extrusion punches in the two sets of extrusion assemblies to slide along the first guide grooves at the same time, the space of the forming die cavity is gradually shrunk, and the prefabricated steps on the flat plate material are subjected to extrusion forming. Forming force comes from the side direction of the prefabricated step, the back face of the flat plate is not extruded by strong force in the vertical direction, and the original smooth plane of the flat plate is kept.

The invention relates to a method for processing hot-rolled coils, in particular coils made of hot-rolled steel, comprising the steps (1.) of placing a round, wound-up hot-rolled coil on a base, preferably in a coil tray or pallet, (2.) of forming the coil from a round shape into a non-round shape by applying a forming force to two opposite sides of the coil, (3.) of forming the formed non-round coil into a round shape under the influence of the dead weight of the hot-rolled coil.

This utility model discloses a small dual-power pneumatic forming device, including a device frame, a pre-pressing mechanism, a coil forming mechanism, a stroke adjustment mechanism, a forming block positioning mechanism, a working proximity triggering mechanism, a pneumatic component assembly, and an electrical control box. The device frame consists of a base plate, a support plate, and a worktable panel. The pre-pressing mechanism is slidably mounted on the upper left of the worktable panel and can be adjusted left and right. The coil forming mechanism drives a forming force lever through a forming cylinder, causing the moving block to slide within a guide seat to achieve coil forming. The stroke adjustment mechanism adjusts the fixed position of the tail of the forming cylinder through a stroke adjustment screw and a sliding seat, thereby adjusting the forming stroke. The working proximity triggering mechanism is triggered by a proximity switch. This device adopts the coordinated operation of pre-pressing and coil forming, has a compact structure, adjustable forming stroke, and accurate positioning, and is suitable for the rapid and stable forming of small parts.

The present application discloses a wood fiber board blank laying machine, and relates to the technical field of laying machines.The wood fiber board raw material and the granular hot melt adhesive are moved to the inside of the tank body by the setting of the stirring feeding device and the forming device.The output end of the first motor rotates and transmits to realize the stirring of the wood fiber board raw material and the granular hot melt adhesive, thereby ensuring the uniformity between the wood fiber board raw material and the granular hot melt adhesive.When discharging, the telescopic end of the fifth telescopic part is extended, so that the spiral conveying blade discharges.The spiral conveying blade is controllable, the weight can be controlled, different weights of materials can be put in according to the demand, the wood fiber board blank with different thicknesses can be made, the practicability of the laying machine is improved, and in addition, the control of the pressing forming force of the forming device ensures that the quality of the wood fiber board blank can still reach the standard quality after the thickness is changed.

The invention relates to a modeling method of a multi-degree-of-freedom forming equipment dynamic model considering connecting rod deformation and regenerative forming force. The modeling method comprises the following steps: S1, establishing a parallel mechanism dynamic model considering connecting rod deformation; s2, establishing a model of regeneration forming force in multi-degree-of-freedom forming; and S3, a dynamic model of multi-degree-of-freedom forming equipment is established according to the dynamic model of the parallel mechanism and the model of the regeneration forming force. According to the dynamic modeling method of the multi-degree-of-freedom forming equipment, the calculation error can be remarkably reduced, and the dynamic behavior of the multi-degree-of-freedom forming equipment in the forming process can be accurately predicted, so that the equipment provides an accurate mathematical model for subsequent research and development.

The present application relates to plate parts multi-order adjustable shearing precision plastic forming technical field, specifically a kind of multi-order adjustable shearing forming equipment and method of plate parts with blade edge.It is based on rolling forming principle, motion execution mechanism carries out reciprocating linear motion under the drive of hydraulic cylinder, shearing forming mechanism is installed a group of different specifications of roller, roller specification increases along the processing direction in turn and roller is all driven wheel;Upper die plate is installed with pressing mechanism, ensure that plate does not move in the processing process;Lower die plate is installed with plate positioning mechanism, ensure the consistency of forming;To adapt to different plate thickness shearing deformation, lower die plate design continuous fine adjustment mechanism, realize the distance adjustment of upper die plate and lower die plate.The present application is a kind of local progressive shearing forming method, forming piece shearing deformation amount is continuously adjustable, forming force is small, roller is conveniently combined and used, can realize that the deformation organization is uniform and small, and the plate parts with blade edge with excellent performance processing.

The invention relates to a new energy automobile battery box tray stamping forming method and die. The method comprises the following steps: placing a rectangular aluminum alloy plate in a stamping die of a partitioned material pressing surface; arranging a draw bead in a short edge region and carrying out drawing forming, so that the material directionally flows to form a flange; the long edge area is not provided with a draw bead and is attached to the die cavity in a bulging mode, and the material flowing amount is obviously reduced. The die adopts a detachable insert type draw bead, partitioned nitrogen spring blank holder force and a cooling channel, and partitioned deformation control of high resistance of a short side and low resistance of a long side is realized. Compared with integral drawing, the weight of the material sheet is reduced by about 6 kg, the material utilization rate is increased to 87%, the forming force is reduced by 25%, the die debugging period is shortened by two thirds, the batch rejection rate is reduced to be within 1%, the method is suitable for a 1250 t common press, and the production cost of the aluminum alloy tray is remarkably reduced.

The application discloses a semi-solid closed precision extrusion-forging composite forming process of screw complex parts, and relates to the forming technical field of screw complex parts. The application first carries out cold radial forging plastic deformation on 304 stainless steel bars with a length of 600 mm and a diameter of 100 mm at room temperature, then carries out semi-solid isothermal treatment on the obtained stepped shaft radial forged bar to prepare a "stepped long shaft" semi-solid spherulitic material, and finally places the prepared "stepped long shaft" semi-solid spherulitic material in a lower die cavity, controls the mutual closing extrusion of the upper and lower dies, and then jointly forges left and right push rods, so that the semi-solid closed extrusion-forging composite forming of the screw complex parts can be realized. The application can prepare the screw complex parts with semi-solid spherulitic structure and forged deformation structure, and has the characteristics of simple process, small forming force, high material utilization rate, high product compactness and good mechanical properties.

The invention relates to a midas model-based large-span corridor bailey truss construction method, which relates to the technical field of large-span corridors, and comprises the following steps: analyzing the stress of a basement top plate according to the positioning coordinates of an embedded steel plate, drawing a basic node arrangement diagram, and welding a double-spliced steel foundation beam to form a force transmission frame according to the basic node arrangement diagram. The frame and Bailey piece combined stand columns are vertically spliced into Bailey stand column units, and the adjacent units are horizontally connected through channel steel connecting rods to construct a supporting framework. Midas software is adopted to calculate stress deformation of the framework to obtain checking calculation data, and accordingly, Bailey cross beams and longitudinal beams are hoisted to establish a high-altitude bearing platform. And finally, the platform and the I-shaped steel distribution beams are fixed through clamping plates, a distribution beam supporting layer is established, a disc buckle type support is erected on the basis of the distribution beam supporting layer, construction of the corridor pouring platform is completed, and the problem that the foundation bearing capacity is possibly insufficient in the construction process due to the fact that an existing technical scheme generally lacks effective utilization evaluation on underground space is solved.

A can lid duplex system (100) for forming a feature in a can lid blank (103) includes a tooling station (102) having a tool assembly (112). The tool assembly (112) may at least partially form a can lid feature in the can lid blank (103) during a feature forming process. The tooling station (102) also includes a force measurement device (124) located within the tooling station (102) for measuring a load in a tool assembly (112) during a feature forming process. A method of forming a feature in a can lid blank (103) using a can lid duplex system includes: receiving the can lid blank (103) at a tooling station (102); causing the tool assembly (112) to at least partially form a can lid feature in the can lid blank (103); and measuring a load in the tool assembly (112) of the tooling station (102) while at least partially forming the can lid feature.

This application discloses a short-process semi-solid closed-loop extrusion forging composite forming process for a scroll disk for a hydrogen circulation pump, relating to the field of scroll disk forming technology for hydrogen circulation pumps. First, the aluminum alloy cylindrical material required for forming the scroll disk is determined; then, the aluminum alloy cylindrical material undergoes cold heading rough deformation, and the cold-headed aluminum alloy billet is heated and held at a certain temperature to obtain a semi-solid fine spherulite material; next, the semi-solid fine spherulite material is quickly placed into the cavity formed by the outer and lower molds, and the upper mold is controlled to press down to extrude and deform the semi-solid fine spherulite material and hold the pressure, thereby forming a semi-solid scroll disk; finally, the upper mold is raised and controlled to forge the semi-solid scroll disk, ultimately obtaining a scroll disk part for a hydrogen circulation pump that simultaneously possesses a semi-solid spherulite structure and a forged deformed structure. This application features a simple process, low forming force, high material utilization, high product density, and good mechanical properties.

The invention belongs to the technical field of rolling manufacturing, and particularly relates to lateral variable-radian roll bending equipment which comprises a base plate, a roll bending supporting mechanism and a roll bending force application mechanism. The roll bending supporting mechanism is used for feeding materials and improving supporting counter force in the roll bending process. The roll bending force application mechanism is arranged on one side of the roll bending supporting mechanism and connected with the chassis through the horizontal moving mechanism. The roll bending force application mechanism is provided with an air outlet mechanism, and the bottom is connected with the movable end of the horizontal moving mechanism. The driving compression roller is rotationally arranged at the air outlet end of the air outlet mechanism, and the air outlet mechanism drives the driving compression roller to rotate; a high-temperature heating part is arranged in the air outlet mechanism; a material groove is formed in the middle of the driving pressing roller and used for containing materials, air outlets are formed in the two sides of the material groove and communicate with the air outlet mechanism, and the air outlets face the materials. According to the device, the air outlet mechanism drives the driving compression roller to rotate, meanwhile, a high-temperature area is formed in the trough, materials are easier to process after being heated, and the processing efficiency is remarkably improved.