31results about How to "High process flexibility" patented technology

A laser selective melting special equipment for directly manufacturing metal orthopedic implants, characterized in that it includes a forming system, a powder recovery system, a powder spreading system, a laser transmission system, a dust filtration and water / oxygen purification double circulation system, and a sealing cavity; the forming system, powder recovery system, and powder spreading system are all placed in the sealed cavity, the laser transmission system is placed on the upper part of the sealed cavity, and the dust filtration and water / oxygen purification double circulation system is placed outside the sealed cavity ; The forming system includes a forming cylinder, a forming cylinder piston, a ball screw, a servo motor and a grating scale; the inside of the forming cylinder piston is provided with a heating copper plate, a water cooling system and a temperature sensor; The way of powder spreading; the forming process is carried out under the protection of argon, and it is equipped with a double circulation system of dust filtration and water / oxygen purification. The invention has high cleanliness of the atmosphere in the forming chamber, high dimensional accuracy of the forming parts, can form bionic structures such as porous structures and biological channels, and is suitable for rapid and personalized customization of artificial hip joints.

The invention relates to a scratch resistant processing method of non-figured island ultrafine fiber napped leather, which comprises the following steps: taking PA6 as an island; taking PE with low density as the sea; adding a small amount of ionic polymer; and spinning an ultrafine fiber by a single-screw blending method. The ultrafine fiber is needled into non-woven fabrics, impregnated with PUresin, reduces toluene contents, and is expanded for drying, sliced, ground, and the like to manufacture ultrafine fiber napped leather. The islands of the ultrafine fiber are partially crosslinked due to the function of ionic compound in a production flow so as to prevent the fiber in the napped leather from falling when the napped leather is used as a material to be made into products of gloves, shoes, clothing, bags, suitcases, and the like, thereby greatly improving the scratch resistance of the napped leather.

The invention relates to a method for forming a fuel cell metal bipolar plate. The invention aims at the problems of a conventional plastic deformation means (such as a punching forming means) for forming a metal sheet that a raised mould and a concave mould are difficult to match with each other and a driving sheet cannot be reused in a process of electromagnetically forming a metal bipolar plate. The device is characterized in that a forming mould, a flexible mould, a driving plate, a support frame and an upper fixing plate are stacked on a lower fixing plate from bottom to top, wherein a coil is arranged in a groove on a lower end face of the support frame; two adjacent circles of leads are separated by high-pressure isolating material; high-pressure high-strength isolating materials are filled between the groove and the coil and on the surface of the coil, thereby forming a flat coil; two ends of the coil are serially connected to a capacitor bank; and the upper fixing plate and the lower fixing plate are fixedly connected through a fastening bolt. The method comprises the following steps: placing a plate blank on the forming mould and fastening the upper fixing plate and the lower fixing plate; and performing discharging forming; and taking out a formed piece, thereby acquiring the metal bipolar plate. The device and the method provided by the invention are used for forming the fuel cell metal bipolar plate.

The invention provides a three-coordinate galvanometer scanning laser processing head, which comprises an XY two-axis laser galvanometer system, a clamping mechanism, a Z-axis moving mechanism, a laser displacement sensor and a control system, wherein the Z-axis moving mechanism comprises a fixed part and a moving part, and the clamping mechanism is fixedly mounted on the fixed part of the Z-axis moving mechanism; and the XY two-axis laser galvanometer system and the laser displacement sensor are fixedly mounted on the moving part of the Z-axis moving mechanism, and the laser displacement sensor, the Z-axis moving mechanism and the XY two-axis laser galvanometer system are all electrically connected with the control system. The laser processing head has the function of dynamic focal length setting, and has an independent and compact structure; the laser processing head has the broach interface design of a standard numerically-controlled machine tool, which enables the laser processing head to be easily assembled for processing with commercialized multi-axis synchronous numerically-controlled machine tools of a three-axis type, a five-axis type, and the like; and technological flexibility is greatly enhanced, and a conventional multi-axis synchronous numerically-controlled machine tool can be conveniently changed into a galvanometer scanning laser processing machine tool with compatible functions, thereby the three-coordinate galvanometer scanning laser processing head has important practical value.

The invention discloses an integrated mixed-drive double-cylinder series booster hydraulic press, which belongs to the field of forging equipment. It replaces the driving mode of the three-phase asynchronous motor with the driving mode of the servo motor, and applies the transmission mode of the ball screw nut pair of the electric screw press to the traditional hydraulic press. First, it makes the traditional hydraulic press achieve faster stroke and return speed requirements, the rapid forging frequency of the traditional hydraulic press is increased; secondly, the servo drive technology improves the response speed, precision, and process flexibility of the control system, expands its process range, saves energy and reduces consumption, and simplifies the structure of the traditional hydraulic system; again , replacing the one-way plunger cylinder structure of the traditional hydraulic press with a double-cylinder series-type supercharged single-pass plunger cylinder, which can realize the pressurization effect and improve the forging efficiency; finally, the AC servo motor drives the screw nut pair to move, eliminating the need for the traditional press. The return cylinder and return structure of the press make the structure of the press simple and the load of the movable beam is small.

The invention discloses a drilling end actuator suitable for an industrial robot. The drilling end actuator comprises a cutting unit, a connecting unit, a feeding unit, a pressing unit and a measuring unit. The cutting unit mainly comprises a motorized spindle, a cutter handle, a cutter, a servo motor and a cutting transmission assembly and is used for achieving planetary drilling and cutting; the connecting unit mainly comprises a connecting plate and tool fast-switching devices and is used for achieving three installation modes and fast switching between the different installation modes; the feeding unit mainly comprises a lead screw nut pair, a feed motor and a feed transmission assembly and is used for achieving feed movement of planetary drilling and cutting; the pressing unit mainly comprises an air cylinder, a pressing plate, a pressing pipe and a pressing head and is used for pressing a workpiece; the measuring unit comprises a photoelectricity distance sensor and a force sensor and is used for detecting the perpendicularity of the cutter before and after pressing and monitoring the state of the cutter during the drilling process in real time. The drilling end actuator can form a flexible drilling system when used in cooperation with the industrial robot, and precise drilling of stacked materials can be achieved.

The invention discloses an intelligent plastic forming process method and intelligent plastic forming equipment used for the same. The process method sequentially comprises the steps that three-dimensional modeling and plastic deformation digital simulation are conducted, an automatic programming system with a machine learning function is adopted for completing analysis and programming of the forming step of a forge piece, a steel ingot is heated, closed-die upsetting is conducted on the steel ingot, and plastic forging forming is conducted by squeezing a blank on an intelligent plastic forming hydraulic machine through rolling tools. According to the equipment, intelligent manipulators installed on the intelligent plastic forming hydraulic machine drive intelligent pressing heads to rotate around the axes in the horizontal direction or the vertical direction, and wedging angles larger than zero degree are formed by the squeezing surfaces of the rolling tools on the intelligent pressing heads and the surface of the forge piece; a supporting device can drive the forge piece to rotate and move; a sensing system can obtain data of the temperature of the forge piece, the pressure of the rolling tools on the forge piece and the forge piece metal flowing displacement and send the data to a control system; the control system controls actions of all components. According to the intelligent plastic forming process method and the intelligent plastic forming equipment used for the same, the forging precision is high, materials are saved, no special molds are needed, the forging flexibility is high, and the cost is low.

The invention provides a preparation method of a printed circuit board. The method includes the following steps of: S1, copper foil arrangement: copper foil is arranged on a carrier in a manner that the copper foil is aligned with the carrier, and the copper foil and the carrier are composited; S2, laser cutting: laser cutting is performed on the pattern of the circuit diagram of a circuit board;S3, selective peeling: an aluminum substrate is coated with photoresist, and a mask with a circuit diagram is arranged on the aluminum substrate, and the aluminum substrate is selectively exposed according to the pattern of the circuit diagram, so that the non-circuit portion of the circuit diagram loses viscosity; and S4, printed circuit board preparation: the copper foil arranged on the carrieris aligned with the aluminum substrate, so that the circuit diagrams of the copper foil and the aluminum substrate are completely overlapped with each other, and the copper foil of a circuit portion is completely bonded to the aluminum substrate, and the copper foil of a non-circuit portion is peeled off. According to the preparation method of the invention, the circuit board is inscribed by a laser cutting method, so that chemical etching can be avoided in a production process; and waste copper can be directly recycled, and therefore, a great environmental protection value can be realized with cost reduced. With the method adopted, a new idea is provided for the production of copper foil for circuit board.

The invention relates to a constraining radial-axial roll-forming method for a large thin-wall outer T-shaped annular component. The constraining radial-axial roll-forming method comprises the following steps that S1, an annular prefabricated blank is placed in a constraint mold, the bottom face of the annular prefabricated blank is in contact with the lower end face in the constraint mold, and aradial feeding roll is arranged in the annular prefabricated blank; S2, at a radial rolling stage, after rolling is started, the constraint mold drives the annular prefabricated blank to uniformly rotate around the axis of the constraint mold at the rotating speed omega1, the radial feeding roll rotates around the axis of itself at the rotating speed omega2 and meanwhile does feeding motion at thespeed v1 in the radial direction, and an axial feeding roll uniformly rotates around the axis of itself at the rotating speed omega3 and does not do translational motion; S3, at an axial rolling stage, the constraint mold continues to uniformly rotate around the axis of itself at the rotating speed omega1, the position of the radial feeding roll is kept fixed, and the axial feeding roll starts tocarry out downward feeding at the speed v2 in the axial direction while uniformly rotating around the axis of itself; and S4, operation at a demolding stage is carried out. According to the constraining radial-axial roll-forming method, high-performance, high-efficiency, low-cost and near-net forming manufacturing of the large thin-wall complex annular component is achieved.

The device and method for batch modularized lateral extrusion of boards relate to a device and method for high-efficiency batch lateral extrusion of boards, which can solve the long-standing problems of low production efficiency, cumbersome procedures, and complex device structures in the batch manufacturing process of boards Wait for the bottleneck. Device: the inner sleeve 5 is placed on the base 3, and the blank 2 and the punch 1 are put into the inside sequentially, the insert 4 is placed between the groove 5-1 of the inner sleeve 5 and the base 3, and the outer sleeve 6 is placed The base 3, the insert 4, and the outer side of the inner sleeve 5. Method: According to the actual requirements of the formed product, the structure of the corresponding insert 4 and the rib plate 7 is replaced by using the idea of ​​modularization. During the extrusion process, the punch 1 is loaded downward, and the compressed deformed blank 2 flows into the insert 4 sequentially along the radial direction. The groove hole 4‑1 can be customized in batches with various specifications such as different shapes, sizes and quantities, and at the same time can realize fine-grain modification of extruded plates. The invention is suitable for extrusion molding of plates in batches.

The invention discloses a position-adjustable resistance spot welding magnetic control device. The position-adjustable resistance spot welding magnetic control device comprises a positioning guide sleeve, an annular permanent magnet fixedly connected with the positioning guide sleeve through ferromagnetic attraction force, a lining, an electrode stem, an electrode cap and positioning screws, wherein the lining is fixedly connected with the electrode stem through the positioning screws, the positioning guide sleeve is movably connected with the lining in a sleeving manner, the annular permanent magnet is fixedly connected with the positioning guide sleeve, and the electrode cap is connected with the electrode stem. The position-adjustable resistance spot welding magnetic control device has the beneficial effects that the magnetic control system has a grinding stop position, so that interference between the permanent magnet and a grinding tool is avoided; thread adjustment of the working position of the permanent magnet can be performed as needed, so that precision is high, and operation is convenient; the permanent magnet is connected with the end face of the positioning guide sleeve through ferromagnetic attraction force, so that replacement is easy, and process flexibility is high; and the inner diameter of the permanent is further reduced, so that the magnetic field intensity of a welding nuclear area is improved, and the stirring effect is enhanced.

The invention provides an ultra-low temperature forming device and forming method for aluminum alloy components, which belong to the technical field of forming thin-walled aluminum alloy components. The shape of the forming groove is matched, and the first medium cavity and the second medium cavity independent of each other are set in the lower mold, and the first medium cavity and the second medium cavity are filled with solid particle medium; the first hydraulic cylinder and the second hydraulic pressure cylinder, the first hydraulic cylinder is connected with the first medium chamber, the second hydraulic cylinder is connected with the second medium chamber; and the cold source, the cold source is connected with the first medium chamber and the second medium chamber. The invention adopts the solid particle medium as the cooling medium and the force transmission medium, which has a good cold storage effect, is easy to realize flexible loading and sealing, and is not easy to splash; and can regulate the deformation sequence and deformation amount of different regions of the aluminum alloy slab to be formed, and coordinate the slab deformation and improve the wall thickness distribution of formed components, and the process flexibility is high.

The invention provides a method for manufacturing a three-dimensional minitype die; patterns corresponding to each layer structure of the parts to be manufactured are respectively etched on each silicon wafer; H2SO4 with the weight percentage of 98% and H2O2 with the weight percentage of 98% are mixed by the volume ratio of 2-4:1; the mixed solution is then used for cleaning all silicon wafers; the silicon wafers are then activated and dried; the silicon wafers are then rapidly aligned and bonded by layer; finally, the three-dimensional die cavity is gained by the annealing disposal. The method of the invention can manufacture the three-dimensional minitype die with micron meter dimension, has the advantages of high precision, low cost and large flexibility and is applicable to the processing and manufacture of micro electro-mechanical system device dies such as micro-gear shafts, micro-step shafts and high depth-width-ratio three-dimensional minitype structure, etc.

The invention discloses a pipe hot medium internal pressure forming method based on molten glass, and relates to a metal pipe forming method. The problems that according to existing hot medium internal high pressure forming methods, the heating speed is low, heat conducting coefficients are low, sealing is difficult, and forming pressure only can reach about 0-50MPa are solved. The method comprises the steps that 1, a pipe internal high pressure forming temperature interval is determined according to the pipe variety; 2, according to the pipe internal high pressure forming temperature, glass materials are selected; 3, a pipe to be formed is preheated; 4, a pipe blank is vertically placed into a forming die, and die closing and sealing are carried out; 5, the glass materials are heated to obtain molten glass; 6, the glass media are injected into the sealed pipe blank; 7, the pipe blank is heated to internal high pressure forming temperature under high-temperature filling; and 8, material supplementing is carried out; and 9, pressure maintaining is carried out, the molten glass flows out through an overflow valve, die opening is carried out, and the formed deformed-section pipe partis obtained. The pipe hot medium internal pressure forming method is used in the field of internal high pressure forming.

The invention provides a dual-core concurrent universal swing mechanism which comprises a first drive unit, a second drive unit, a rotating arm, a clamping device and a medium channel, wherein the output end of the first drive unit is connected with the rotating arm; the clamping device is mounted on the rotating arm and is linked with the rotating arm; the output end of the second drive unit is connected with the clamping device; the clamping device is used for clamping a cutting head; and the medium channel is used for feeding a working medium into the cutting head. According to the invention, corner and arc errors and cutting conicity errors caused by different fluid states of a high energy beam at an entrance point and an exit point can be eliminated. Meanwhile, the medium channel composed of at least four rotating joints forms a rigidly connected four-link mechanism, and the four-link mechanism can be matched with the random swing of the cutting head to realize the transmission of the high energy beam medium. Due to the absence of a vertical rotating axis or an approximately vertical rotating axis, in the process of continuous circumferential conical cutting, the cutting head can not rotate around the self axis, thereby avoiding the problem that a pipeline connected with the cutting head is wound around a cable.