678 results about "Roll forming" patented technology

The invention provides a laser-assisted rolling forming method and device for reducing springback of a high-strength metal part, and the method comprises the steps that the motion trail of a rolling tool head is designed according to the shape of a target part, and the rolling tool head rolls a to-be-machined part according to the motion trail until the target part is formed; a laser head is fixedly installed on one side of the rolling tool head, during rolling forming, the local bending area of the to-be-machined part is heated, the material forming performance is improved, and meanwhile the forming load is reduced so as to reduce springback. According to the laser-assisted rolling forming method and device for reducing resilience of the high-strength metal part, the laser head emits the laser to preheat the to-be-machined part, the to-be-machined part is subjected to rolling forming in cooperation with the rolling tool head, the to-be-formed local area is softened, and the resilience of the high-strength metal part is reduced. And the forming load is reduced, so that the high-strength metal part with smaller resilience and higher geometric accuracy is obtained, the operation is convenient, and the machining and forming effect is good.

According to the embodiment of the invention, the industrial robot technology is applied to the rolling forming process of the variable cross-section part, and the rolling path can be dynamically adjusted according to the variable cross-section characteristics of the part, so that efficient machining is realized. According to the technology, the limitation of an existing technology in complex geometrical shape machining is broken through and solved, and an industrial robot can conduct high-quality and high-precision rolling forming on the variable cross-section part of a complex structure under the condition that the industrial robot does not depend on a mold. In addition, by combining the flexible path control capability of a robot, the forming precision of the variable cross-section part is remarkably improved, and compared with a raw material, the mechanical property loss of a bending area material of the part obtained after forming through the technology is smaller than 30%.

The invention belongs to the technical field of plastic coiled material forming, and discloses a waterproof coiled material forming machining device and method with multi-connecting-rod transmission and two-way clamping, the waterproof coiled material forming machining device comprises a base, a feeding execution assembly, a roller clamping assembly, a hot press forming assembly and the like, and rapid clamping and centering positioning of a coiled material roller are achieved through a two-way threaded driving rod and a sliding clamp; through meshing transmission of the bevel gear set, self-adaptive adjustment of the limiting compression roller is achieved, and the stability of coiled material conveying is ensured; traditional pneumatic dust removal is replaced with mechanical elastic impact dust removal, and the cleaning efficiency is improved; and hot press molding and laser cutting procedures are seamlessly connected, so that the production efficiency and the product quality are improved. The method comprises the complete processes of coiled material roller feeding, clamping, limiting, dust removal, hot press forming, cutting and material pushing. The device has the advantages of being accurate in feeding, stable in clamping, efficient in dust removal, high in forming and cutting precision and the like, and the production efficiency and the product quality of waterproof roll forming machining are remarkably improved.

The invention discloses a continuous rotary discharging ceramic green body rolling forming device, and relates to the technical field of ceramic green body rolling forming, the continuous rotary discharging ceramic green body rolling forming device specifically comprises a rolling frame, a transverse driving table and a vertical driving table, the transverse driving table is installed at the top of the rolling frame, and the vertical driving table is installed at the top of the transverse driving table; the top of the vertical driving table is slidably connected with a sliding base plate. Through the 120-degree intermittent rotation design of the rotary table, circulating switching of the three stations of blank adding, rolling forming and discharging is achieved, the neutral position period of shutdown blank taking in the traditional technology is eliminated, compared with the prior art, the ceramic blank rolling forming efficiency is improved by 20%, uninterrupted continuous production is achieved, meanwhile, traditional pressing contact type rolling forming is different, and the production efficiency is improved. A mechanical linkage mechanism, a cam, a U-shaped tilting rod and a toothed plate are adopted to automatically control lifting and rotation of a female die, and a driving assembly is matched to drive a male die to synchronously rotate, so that the rolling precision is ensured.

The invention relates to the technical field of rolling forming machine control, and discloses a self-adaptive tension control system of a dry-method electrode continuous rolling forming machine. The system is composed of a tension generation module, a state evaluation module, a dynamic compensation module, a strategy optimization module, a production management database and a rolling execution mechanism. The tension generation module collects original tension data in real time at a transmission node; the state evaluation module analyzes the operation state and generates a tension stability evaluation report; the dynamic compensation module calculates the material deformation compensation amount according to the report and generates a dynamic regulation and control instruction; the strategy optimization module optimizes a strategy and outputs a parameter packet in combination with the instruction and a historical record; the production management database stores material characteristics, equipment history and regulation and control cases; and the rolling execution mechanism is adjusted to operate according to the parameter packet. All the modules cooperate to achieve real-time monitoring, evaluation, compensation and optimization of tension, the traditional control problem is solved, and the product quality and efficiency are improved.

The invention discloses roll forming equipment with a cooling structure, and belongs to the technical field of electrode roll forming equipment, the roll forming equipment comprises a shell, a press roll driving unit is arranged on one side of the top of the shell, and two press roll units with opposite rotating directions are arranged in the press roll driving unit. According to the device, an external adjusting device adjusts the use distance between multiple compression rollers in the compression roller unit, at the moment, a spring can drive a sliding base and a rack to move, a second annular gear drives a rotating shaft and a protruding block to rotate, a main oil bag expands, and a second spiral blade is driven to move; according to the cooling device, the screw pitch between the second spiral blade and the first spiral blade is adjusted, the flowing speed of cooling liquid between the first spiral blade and the second spiral blade is increased in an auxiliary mode, the laminar flow of the cooling liquid is destroyed, and therefore the overall cooling effect of equipment is effectively improved; and through dynamic adjustment, the equipment is suitable for the cooling requirements of electrode diaphragms with different thicknesses produced under variable working conditions.

The invention belongs to the technical field of roll bending forming, and relates to a combined roller for forming a frame with an n-shaped section, which comprises a main wheel set and two guide wheel sets, and the two guide wheel sets are matched with the main wheel set to realize radian and trimming of a formed part; wherein the main wheel set comprises a roll bending main wheel and a roll cutting main wheel, the roll bending main wheel comprises a roll bending concave main wheel and a roll bending convex main wheel which are matched with each other, and the roll cutting main wheel comprises a roll cutting concave main wheel and a roll cutting convex main wheel which are matched with each other; the guide wheel set comprises a concave guide wheel and a convex guide wheel which are matched with each other. The invention further discloses a forming method applying the combined roller, aiming at plate frame parts with the same part wall thickness, section height and inward bending radius R and different section widths, a roll bending forming method is adopted, the roller structure and the technological method are reasonably designed, the production economy is improved, multiple sets of rollers are prevented from being machined, the occupied mold storage space is reduced, and the production cost is reduced. Meanwhile, the maintenance cost is reduced.

The invention discloses a treatment process and a production line of a variable-strength automobile anti-collision beam rolling profile, and relates to the technical field of automobile anti-collision beam manufacturing, and the treatment process comprises the following steps: material selection and primary leveling; local heating and cooling; secondary leveling and punching are carried out; and carrying out primary cold roll forming and secondary cold roll forming. According to the treatment process, the strength of the target position of the ultra-high-strength steel forming plate is changed, so that the problem of cracking cannot occur when the small fillet of the ultra-high-strength steel forming plate is bent, a rolling production line can normally operate for a long time, and the production efficiency is guaranteed.

The utility model discloses a steel ball rolling forming cutter which comprises a bearing steel ball, a lock nut and a cutter handle, and a high-pressure-resistant component is installed between the lock nut and the cutter handle. The high-pressure-resistant part is mainly composed of a shell and a rolling supporting body, and the rolling supporting body which can rotate and forms a supporting posture with a bearing steel ball is installed in the shell. The shell and the lock nut are fixedly installed, the bearing steel ball is movably limited in the shell through the lock nut, the rolling supporting body is a roller, the roller and the shell are rotatably installed through a pressure-bearing bearing and a pin shaft, the pin shaft is installed in the shell, and the rotatable roller is installed on the outer side of the pin shaft through the pressure-bearing bearing. According to the steel ball rolling forming cutter, the bearing steel balls are movably installed on the cutter handle, the bearing steel balls are supported through the high-pressure-resistant component, the good pressure bearing capacity is achieved, the rolling machining requirement is met, rough surfaces can be machined, and the use of workpieces and the retention of lubricating oil are improved.

The invention relates to the technical field of heat-conducting materials, in particular to a boron nitride heat-conducting film and a preparation method thereof.The boron nitride heat-conducting film is prepared through a coating technology and a roll forming technology, deionized water is selected as a solvent, and the boron nitride heat-conducting film is green and environmentally friendly and is combined with the coating technology and the roll forming technology; the preparation method is simple, the production speed is high, the efficiency is high, the cost is low, large-scale industrialization can be achieved, the boron nitride nanosheets in the slurry can be directionally arranged under the action of a coating process, so that a heat-conducting network is formed in the boron nitride heat-conducting film, the boron nitride heat-conducting film has excellent heat-conducting performance, and the service life of the boron nitride heat-conducting film is prolonged. And the in-plane thermal conductivity of the finally formed heat conduction film can reach 54.46 W / (m.K), so that the technical problems that in the preparation process of the heat conduction film in the prior art, the preparation method is complex, the environment is not friendly, and the production efficiency is low due to the adoption of sheet flat pressing molding are solved.

The invention provides a 60NiTi alloy high-purity preparation and rolling forming method. The 60NiTi alloy high-purity preparation and rolling forming method comprises the steps that firstly, raw material treatment is conducted, wherein the surface of a raw material is cleaned; step 2, vacuum induction suspension smelting; step 3, annealing treatment; step 4, pretreatment before rolling; fifthly, rolling forming is carried out; and sixthly, the sheath is removed, specifically, the sheath is cut off through an angle grinder, and the internal 60NiTi alloy plate is obtained. According to the method, a low-C-content high-quality cast ingot is prepared through a vacuum suspension smelting process of vacuum-pulsed magnetic field composite degassing, and a rolling forming process is adjusted according to the millisecond-level rapid precipitation characteristic of a Ni4Ti3 phase in the alloy and the metal flowing behavior in the plastic forming process; the problems that in the alloy rapid forming process, hard phase rapid precipitation and recrystallization are difficult are solved, the defects of non-uniform crystal grains, transverse cracks, longitudinal cracks and crocodile opening type cracks in the rolling process are avoided, and the 60NiTi alloy rolled plate uniform in microstructure and excellent in comprehensive performance is obtained.

The invention relates to the technical field of high-strength steel hot roll bending forming processes, and provides a method, device and equipment for predicting hot bending forming springback based on simulation software. The method comprises the steps that a three-dimensional assembly model is constructed based on the geometric dimension of a roll forming machine; importing the three-dimensional assembly model into finite element software to simplify the three-dimensional assembly model; performing different types of grid division on different areas, and setting fixed boundary conditions and process parameters; pre-defining a temperature field for the bending area, and constructing a thermal-mechanical coupling constitutive model to obtain a temperature field simulation result; and establishing a simulation model by using a dynamic and static combined algorithm, and predicting the springback value. According to the method, finite element simulation is carried out on the bending process, the springback value is directly output through the node displacement difference, springback deformation is visualized through a post-processing tool, and high-precision prediction is achieved.

The invention discloses an electric auxiliary roll forming device, and relates to the technical field of annular part plastic processing, the electric auxiliary roll forming device comprises a rolling device and an electric auxiliary device, the rolling device is provided with a conductive core roller and a feed roller, the core roller is sleeved with a to-be-formed annular blank, and the core roller and the feed roller are oppositely arranged on the annular inner side and the annular outer side of the annular blank; the axes of the ring blank, the core roller and the feeding roller are located on a first plane, a common vertical line of the axes of the ring blank, the core roller and the feeding roller is arranged on the first plane, and the feeding direction of the feeding roller is consistent with the common vertical line; the electric auxiliary device comprises a first carbon brush and a second carbon brush, the first carbon brush and the second carbon brush are suitable for being electrically connected with two electrodes of an external power source respectively, the first carbon brush makes contact with the axial end of the core roller, the first carbon brush is electrically connected with the core roller, the second carbon brush makes contact with the axial end of the feeding roller, and the second carbon brush is electrically connected with the feeding roller. Compared with the prior art, the annular part can be electrically heated in an auxiliary mode, and the performance of the plastically-machined annular part is good.

The invention relates to the technical field of deep learning, and provides a blade rolling forming process optimization method and device, a medium and computer equipment, and the method comprises the steps: obtaining a historical working condition data set and a simulation working condition data set of blade rolling equipment; constructing a training set based on the historical working condition data set and the simulation working condition data set; constructing a parameter optimization model, and training the parameter optimization model based on the training set to obtain a trained parameter optimization model; blade rolling information is obtained, and prediction optimization process parameters are determined based on the trained parameter optimization model and the blade rolling information; and performing parameter configuration on the blade rolling equipment based on the predictive optimization process parameters, and determining a target blade rolling result based on the blade rolling equipment after parameter configuration and the blade rolling information. According to the embodiment, by means of the process optimization method based on data driving, optimal configuration of blade rolling process parameters is achieved, and the quality of blade rolling products is improved.

The invention discloses a titanium alloy welded pipe preparation device and a preparation process thereof. The device comprises a welding bin, a connecting frame, a real-time monitoring and feedback system and the like, an inner supporting arc plate can achieve synchronous external expansion clamping through a driving motor and a transmission disc, and an expansion arc plate is arranged to adapt to different pipe lengths. The process comprises the following steps: carrying out cold rolling on a TA2 titanium alloy blank through a 20-roll rolling mill, annealing at 780-810 DEG C for 1-4 hours, carrying out primary forming and multi-roll forming through a forming unit, and carrying out incremental forming on a closed pass section to obtain a tube blank; during laser welding, the inner support arc plate is internally supported and positioned, and the double laser heads synchronously work and monitor in real time; and the welded pipe is subjected to online annealing through an argon protection furnace, then is sized and straightened through a sizing mechanism, and finally is subjected to metallographic analysis, mechanical property testing and nondestructive testing. Uniform clamping and dynamic adjustment are achieved, the welding precision and efficiency are improved, a whole-process quality control system is constructed, and the method is suitable for titanium alloy welded pipe preparation.

The intelligent multi-group adjustable flexible roll forming equipment comprises a plurality of passes of variable cross-section roll forming groups, and each pass of variable cross-section roll forming group comprises two same variable cross-section forming devices. The variable cross-section forming device comprises a forming rack 3, a Y-direction translation mechanism, a Z-axis rotating mechanism, an upper forming roller 2 and a lower forming roller 1; the angle of the machined roller is changed by changing the wheel disc, multi-pass roller machining is achieved through the single rack, machining passes of the whole equipment are reduced, and the assembly cost is reduced. The direct-connection type motor is used for driving the variable cross-section profile to be rolled and formed, so that the time of a control algorithm is saved, and the machining precision of parts is improved.

The invention discloses rolling forming equipment for color steel plate production, and particularly relates to the field of color steel plate production, the rolling forming equipment comprises an unwinding mechanism, a steel coil, a guide roller assembly and a rolling mechanism, the steel coil is rotatably mounted on the unwinding mechanism, the guide roller assembly is arranged on one side of the unwinding mechanism, and the rolling mechanism is arranged on the side, away from the unwinding mechanism, of the guide roller assembly; the leveling mechanism and the support are arranged between the unwinding mechanism and the guide roller assembly, and the leveling mechanism comprises a rotating frame, a first air cylinder, a clamping plate and a conveying roller; by means of the leveling mechanism, the end of a steel coil can be leveled through clamping of two sets of clamping plates, the problem that the end of the steel coil is tilted and cannot enter the rolling mechanism is solved, the situation that other positions of a steel belt are flattened in the flattening process and indentations or pits are formed in the surface of the steel belt can be avoided through contraction of a conveying roller in the inclined state, and the flattening effect is improved. Therefore, the subsequent use of the steel strip is influenced.

The invention relates to the field of rolling forming of metal plate parts, in particular to a plate-roller composite rolling forming method and device for plate parts with variable cross-section characteristics. The forming equipment comprises an upper roller, a lower die, a gear, a rack, a guide rail, a sliding block, a supporting seat, a first base, a second base, a supporting frame, a cylindrical roller bearing, a bearing cover, a mandrel, a fastening nut, a gasket, a hydraulic push rod and a hydraulic driving system. The forming method comprises the following steps: blanking, designing an upper roller and a lower die, adjusting the relative position of the upper roller and the lower die, heating a plate to a set deformation temperature, deforming the plate under the combined action of a convex die of the upper roller and a groove of the lower die, and rolling into a target plate part. The device is applied to forming of variable cross-section characteristic plate parts, and has the characteristics of high production efficiency, high finished product precision, high material utilization rate, simple assembly structure, convenience in realization of automation and the like.

The utility model provides a remodeling driving device of CZMU section steel forming equipment, the remodeling driving device is installed on a rolling forming machine, the remodeling driving device comprises an avoiding mechanism, a remodeling mechanism and a compression roller group, and the compression roller group is used for generating plastic deformation of a steel belt; the compression roller group comprises a series of ribbing compression rollers and at least one series of remodeling compression rollers; each remodeling compression roller comprises a movable compression roller and a fixed compression roller, and the movable compression roller is driven by a remodeling mechanism to move up and down in the vertical direction; the upper end of the fixed pressing roller serves as a first pressing area. The upper end and the lower end of the movable pressing roller are divided into a second pressing area and a third pressing area; the model changing mechanism is used for switching the second pressing area or the third pressing area to be matched with the first pressing area to conduct C-shaped or Z-shaped pressing on the steel belt, and the production requirement for rolling forming of steel of various shapes can be met. A series of rib pressing rollers are used for pressing an M-shaped middle concave shape; the avoiding mechanism is used for controlling the pressing roller assembly to select whether to press the steel belt or not.

The invention relates to an ultrasonic rolling parameter calculation method based on nano-grain structure prediction. The method comprises the following steps: (1) determining a target grain size; and (2) negative feedback adjustment of the ultrasonic rolling parameters: obtaining the current ultrasonic rolling parameters, predicting the theoretical minimum value of the surface grain size of the metal surface deformation layer under the current ultrasonic rolling parameters, negative feedback adjustment of the current ultrasonic rolling parameters according to the surface grain size, and outputting target ultrasonic rolling parameters. According to the method, the nanocrystalline structure of the metal surface deformation layer serves as a machining target, the corresponding ultrasonic rolling parameters are developed by establishing a quantitative calculation method between the target grain size and the ultrasonic rolling parameters and combining the determined relation between the metal mechanical performance and the nanocrystalline structure according to the specific metal mechanical performance requirement, and the blindness of an experiment is avoided.

The utility model relates to the technical field of cold roll forming machines, in particular to a bending angle adjusting device of a cold roll forming machine, which fixes the edge of a bending area of a plate through a fixing device so as to be matched with a bending push plate to complete bending of the plate, limits the maximum bending angle of the bending push plate through an angle adjusting device, and improves the bending angle of the plate. The bending angle of the plate is conveniently adjusted, an operator can conveniently adjust the position of the plate on the machining table through the conveying device, the labor intensity of the operator in the plate input and output process is reduced, and the practicability of the device is improved; comprising a rack, a machining table and bending push plates, the machining table is installed in the middle in the rack, the edges of the left end face and the right end face of the machining table are each connected with a set of bending push plates through a rotating structure, and the bending push plates are driven by hydraulic cylinders to rotate; comprising a fixing device, an angle adjusting device and a conveying device, the fixing device is installed in a rack, the angle adjusting device is installed on the fixing device, and the conveying device is installed on a machining table.

The invention discloses a Ti2AlNb-based alloy multi-step special-shaped casing ring piece forming method which is characterized in that a net near forming method is adopted, the shape of a forge piece is designed along the outline of a part, and the material utilization rate from the forge piece to the part is improved to a great extent. The difficult point of the method lies in calculation of the blanking weight, a forge piece is equally divided into n forge pieces in the height direction, the volume of a blank is obtained by calculating the volume of each section, and the volume and the weight of a blanking bar are finally obtained by considering the loss of a punching core material. According to the method, the material utilization rate is increased on the basis that the structure performance of the Ti2AlNb-based alloy ring piece is guaranteed. The method is suitable for rolling forming of the Ti2AlNb-based alloy special-shaped ring piece.

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 utility model discloses an improved cake roll forming machine, which relates to the technical field of cake making equipment and comprises a forming machine body, a forming groove is arranged at the upper end of the forming machine body, a cake lifting panel is mounted at the bottom end in the forming groove, accommodating grooves are symmetrically arranged in the forming machine body, and a driving motor is mounted in the forming machine body. A sliding block is slidably connected to one end in the forming groove, a moving seat is fixedly connected to the other end of the sliding block, a mounting seat is fixedly connected to the other end of the moving seat, a limiting assembly is mounted in the mounting seat, an assembling seat is arranged at one end of the forming groove, a fixing assembly is mounted in the assembling seat, and a cloth rolling shaft is arranged in the forming groove. By the adoption of the structure, the forming machine can meet various production requirements, different production requirements are met by replacing shafts of different specifications, and potential abrasion or damage problems can be found and handled in time by disassembling and checking the cloth winding shaft regularly.

The utility model relates to the technical field of hardware machining devices, in particular to a cold roll forming rolling device. Comprising a rack, a rolling platform is arranged on the rack, a supporting frame is arranged on the rolling platform, a fixed mold is arranged on the rolling platform, and a cold pressing assembly matched with the fixed mold is arranged on the supporting frame; a rolling groove is formed in the upper end face of the fixed die and arranged along the X axis, a plurality of sliding grooves are formed in the fixed die and arranged along the Y axis, the sliding grooves are formed in the two sides of the rolling groove respectively, and limiting rods capable of horizontally moving along the sliding grooves are arranged in the sliding grooves. A linkage assembly is arranged on the bottom face of the rolling platform and connected with the limiting rods on the multiple sliding grooves. The rolling forming device is reasonable in structure, the sliding grooves are formed in the two sides of the rolling groove in the fixed die, and the limiting rods can move along the sliding grooves, so that a metal workpiece on the fixed die is clamped, sliding displacement of the workpiece in the rolling process is avoided, the machining precision of rolling forming is guaranteed, and the product quality is improved.

The application discloses a preparation method of welding wire made of steel wire cable, and belongs to the technical field of welding wire production, and comprises the following steps: S1, pretreatment and intelligent grading and sorting of waste steel wire cable; S2, green composite cleaning and closed-loop recycling; S3, self-adaptive material surface modification and digital twin regulation and control; S4, AI intelligent alloying and interface strengthening; S5, continuous casting and rolling forming and online stress precise regulation and control; S6, finished product detection grading and packaging; the high-value, green and regenerated utilization of waste steel wire cable is realized, through intelligent grading and sorting, closed-loop cleaning, digital twin regulation and control and multi-process precise optimization, the quality stability and performance grade of the welding wire product are greatly improved, meanwhile, the environmental protection and production efficiency are taken into account, a whole-chain production mode of "recycling-processing-regeneration-circulation" is constructed, and the pain points of resource waste, serious pollution and insufficient product precision of traditional processes are effectively solved, and the method has remarkable economic, environmental protection and technical values.

The multi-station rolling die comprises a machine frame, a plurality of rotating rollers are rotationally connected to the interior of the machine frame, a plurality of strip-shaped openings are formed in the inner wall of the top end of the machine frame, rolling rollers are arranged on the inner walls of the strip-shaped openings in a sliding mode respectively, a movable frame is arranged above the machine frame in a sliding mode, and the movable frame is connected with the rotating rollers in a sliding mode. An air cylinder is fixedly connected to the top end of the rack, an opening is formed in the top inner wall of the movable frame, the air cylinder penetrates through the opening, a connecting frame is fixedly connected to the end of a piston rod of the air cylinder, and the connecting frame is fixedly connected to the upper surface of the movable frame. The piston rod of the air cylinder stretches out and draws back to drive the connecting frame and the movable frame to move up and down, so that the distance between the rolling roller and the rotating roller is adjusted, the rolling roller is adjusted to a proper position according to the size and forming requirements of a pencil holder, and a pencil holder raw material can smoothly pass through the position between the rotating roller and the rolling roller and is rolled.

The utility model provides an online laser welding extrusion tool for rolling building broken bridge steel door and window profiles, and belongs to the technical field of laser welding extrusion tools. The building broken bridge steel door and window profile rolling online laser welding extrusion tool comprises a base, the base comprises a bottom plate, a rolling forming assembly and a hoisting ring are fixedly installed at the two ends of the top of the bottom plate, a welding extrusion assembly is fixedly installed in the middle of the top end of the bottom plate, and the hoisting ring is arranged on the inner side of the rolling forming assembly. The welding extrusion assembly comprises an extrusion seat, a floating seat and a laser welding machine, guide sliding grooves are formed in the two sides of the interior of the extrusion seat, a second adjusting threaded sleeve is arranged at the top of the extrusion seat, limiting sliding blocks are fixedly installed at the two ends of the floating seat, and the limiting sliding blocks are slidably connected with the guide sliding grooves; according to the roll forming and laser welding device, roll forming and laser welding can be carried out synchronously, the working efficiency can be improved easily, and the roll forming and laser welding device has high practical value.

The invention discloses a silk screen, powder and a silk screen composite rolling process and device. The process comprises the steps that (1) the metal silk screen and the powder are prepared; 2) laying a silk screen; (3) powder is preloaded in a powder supply box; (4) rolling a metal multi-micropore composite strip; (5) the rolled and formed metal multi-micropore composite strip is rolled out of the gap of the roller and rolled; (6) after the metal multi-micropore composite strip is rolled and folded, the metal multi-micropore composite strip is cut to the needed size, a multi-micropore strip block is obtained, after the multi-micropore strip block is wound around a metal wire mesh with the needed layer number, pressing is conducted for the preset time, and a metal multi-micropore thin plate is prepared; 7, the metal multi-micropore thin plate is fed into a sintering furnace, and metal powder and the metal wire mesh are metallurgically bonded so as to be tightly bond.The metal multi-micropore thin plate has the advantages of being capable of being repeatedly used, easy to prepare, convenient to operate, high in production efficiency, low in cost and the like, and pre-compression is applied to the double-layer wire mesh, and the pre-compression is applied to the double-layer wire mesh.