13results about How to "Solve wrinkle" patented technology

The invention provides a hot stamping forming die and a hot stamping forming method, belongs to the technical field of hot stamping, solves the problems of wrinkling and stacking of stamped plates, and adopts the scheme that the hot stamping forming die comprises a die steel block 2 used for hot stamping forming, the die steel block 2 is further provided with air blowing holes 1, and the air blowing holes 1 are communicated with the die steel block 2. The blowing hole 1 is a risk area determined according to the hot stamping forming of the plate 7, and the risk area refers to a small-range thinning excessive out-of-tolerance area or a cracking area of the plate 7 in the hot stamping forming process or a risk area determined when the hot stamping forming plate is subjected to simulation analysis in the early stage; and one end of the air channel pipe 4 penetrates through the die steel block 2 to be connected with the air blowing hole 1, and the air channel pipe 4 is used for cooling the hot stamping forming plate 7 through the air blowing hole. The cooling system is added for the risk area, so that the local temperature of the plate is lower than that of other parts, the austenite conversion rate is higher than that of other parts, and the tensile strength of the area is improved.

The invention belongs to the technical field of aircraft manufacturing, and discloses a stainless steel deep U ship-shaped thick skin tailor-welding drawing shape control method and a forming die, which are used for reversely calculating various key sizes of a drawing process piece by constructing different drawing coefficients and controlling the deformation degree of each part of the drawing process piece. The technical problems that a stainless steel deep U-shaped ship-shaped thick skin blank is insufficient in size, prone to instability and wrinkling in the forming process and large in resilience after being formed are solved. According to different bearing strengths of all parts of a tailor-welded blank, structural design key points of the drawing die are specified in detail, including a gap between a convex die and a concave die, a blank pressing gap, a gap between a drawing rib and a drawing groove and the like, the design thought is complete, the structural design of similar dies can be guided, and the universality is high.

The application discloses a forming method for concave thin plate corrugated stainless steel parts, which comprises die assembling, stamping buffer layer laying, stamping preforming, stamping forming and shearing correction. By using the forming method, the existing punch is used, in the stamping preforming process, the stamping buffer layer is laid, the step-by-step pressing mode is adopted, the stamping buffer layer can control the material flow problem, so that the material uniformity is achieved; in the stamping forming, the die is replaced, and the one-time pressing forming is adopted, which can effectively solve the technical problem that the boundary of the corrugated area is prone to wrinkling, and can improve the forming efficiency, so as to improve the qualified rate of part forming, ensure the product forming quality, greatly reduce the processing cost, and be applied to the processing of the parts prone to wrinkling, and is convenient to operate and suitable for popularization and application.

This utility model discloses a multifunctional massage chair frame. The backrest frame is connected to the main body of the chair frame via a backrest guide rail. One end of the backrest push rod is hinged to the main body of the chair frame, and the other end is hinged to the five-claw base. The leg support frame is movably connected to the main body of the chair frame. One end of the leg-lifting push rod is hinged to the main body of the chair frame, and the other end is connected to the first connecting rod via a connecting rod. The first connecting rod is connected to the third connecting rod via a second connecting rod. The third connecting rod is connected to the leg support frame. The leg support frame is connected in the middle, and a leg sliding groove is provided on the side of the leg support frame. The leg sliding groove is connected to one end of the leg-lifting connecting rod assembly, and the other end of the leg-lifting connecting rod assembly is connected to the main body of the chair frame. This utility model achieves synchronous and coordinated movements of backrest lifting and leg raising and extension through a linkage mechanism, effectively improving the user experience, protecting the leather cover structure, and enhancing operational flexibility and user comfort.

The invention discloses a machining die for an automobile body aluminum plate, and relates to the technical field of automobile body aluminum plates, the machining die comprises an upper die body and a lower die body which are matched with each other in the vertical direction, and the upper die body is arranged above the lower die body; a rack plate is fixed to the right side of the upper die body. A fixing mechanism is arranged at the top of the right side of the lower die body and comprises two fixing round blocks and two fixing sleeves. The opposite faces of the two fixed round blocks are each coaxially and rotationally connected with a rotating round block, and a gear rod is coaxially fixed between the two rotating round blocks. The fixing sleeve is horizontally arranged, the whole fixing sleeve is in a rectangular plate shape, and one end of the fixing sleeve is fixedly connected with the rotating round block; each fixing sleeve is provided with a sliding groove and a positioning pin hole, and a moving plate, a positioning block, an air cylinder and a pressing plate are arranged between the two fixing sleeves; the technical effects that when an aluminum plate is stamped, one end of the edge of the aluminum plate is limited and lifted to be suspended, and therefore the wrinkling phenomenon is reduced, and full forming is achieved are achieved.

The utility model discloses conductive cloth suitable for 360-degree wrapping and attaching, which comprises conductive cloth, a double-sided adhesive tape and a silica gel protective film which are matched with each other, a plurality of pieces of conductive cloth are arranged on the silica gel protective film, the double-sided adhesive tape is arranged on one surface, far away from the silica gel protective film, of the conductive cloth, and a workpiece is wrapped and attached through the conductive cloth. According to the conductive cloth suitable for 360-degree wrapping and attaching, the double-faced adhesive tape has good adhesive performance, the conductive cloth can be wrapped and attached to a workpiece such as a plastic piece at 360 degrees, the conductive and shielding effects are achieved, it is guaranteed that the silver gray face of the conductive cloth faces inwards and the black face of the conductive cloth faces outwards during wrapping and attaching, the color of the conductive cloth is consistent with that of the workpiece, the attractiveness is improved, and the service life of the conductive cloth is prolonged. The problems of reverse pasting, wrong pasting and the like can be avoided, rapid wrapping and pasting can be achieved by arranging an avoiding step and a positioning hole, the process is simple and convenient, the working efficiency is high, the yield is high, and the method is suitable for industrial application and popularization.

The invention discloses a high-performance ultra-thin and ultra-light titanium alloy vapor chamber and a preparation method thereof.According to the preparation method, the preparation process of the vapor chamber is improved, a liquid absorption core and an upper cover are fixed in advance and sintered, and heat treatment is conducted after the upper cover and a lower cover are welded and fixed; vacuum high-temperature sintering is matched with low-temperature heat treatment, the wrinkling problem caused by expansion coefficient difference can be solved, the yield of the vapor chamber is improved, the formed vapor chamber is excellent in heat transfer performance and stability, passivation is carried out through acid pickling and baking, the problem of performance degradation of the vapor chamber is solved, and the production cost is reduced. The upper cover and the lower cover of the vapor chamber are both made of titanium alloy materials, compared with conventional stainless steel materials, the weight can be greatly reduced, and the heat transfer performance is excellent.

The utility model discloses a circuit board capable of preventing copper wrinkles, comprising a board body, the top of the board body is fixedly connected with a dynamic pressure balance layer, the top of the dynamic pressure balance layer is provided with a copper foil, the top of the dynamic pressure balance layer is fixedly connected with an interface adhesion layer, and the interface adhesion layer is provided with a copper wire. The interior of the dynamic pressure balance layer comprises a first pressure distribution grid layer and an elastic substrate layer, and the first pressure distribution grid layer is located on the top of the elastic substrate layer. According to the circuit board capable of preventing copper wrinkling, the dynamic pressure balance layer is introduced, so that the problem of copper foil wrinkling caused by non-uniform pressure distribution in the processing and using processes of the circuit board is effectively solved, the dynamic pressure balance layer can automatically adjust internal pressure distribution according to the change of external stress, the stress on the copper foil is uniformly distributed, and the service life of the circuit board is prolonged. Therefore, the wrinkling phenomenon of the copper foil caused by uneven stress is avoided, and the processing stability and the service life of the circuit board are remarkably improved and prolonged.

The invention provides a forming method of a composite hybrid fiber prepreg part, which comprises the following steps of: laying a plurality of layers of hybrid fiber prepregs on a laying mold, and compacting to form a composite preform; a cover plate assembly with a preset inner molded surface is prepared, the preset inner molded surface is consistent with the outer molded surface of the composite hybrid fiber prepreg part, and the cover plate assembly is formed by curing hybrid fiber prepreg or glass fiber prepreg; the side, away from the paving mold, of the composite material preformed body is covered with a cover plate assembly, and a preformed assembly is formed; and packaging the preformed assembly, after packaging is completed, putting the preformed assembly into an autoclave for heating and curing, and curing the composite material preformed body to form the composite material hybrid fiber prepreg part. The forming method provided by the invention is simple to operate, high in implementation efficiency, suitable for various complex-configuration composite material parts including variable cross-section rotary bodies, and capable of effectively improving the surface quality of composite material hybrid fiber prepreg workpieces.

The utility model discloses a kind of hot forming mould of fireproof cover titanium alloy sheet metal parts on aircraft, including male die and female die, the male die and female die between placing have material supporting plate, and the surface of material supporting plate is fixedly connected with multiple positioning pins, the both ends of male die are equipped with guide slide plate by hexagon screw, the lower portion of male die is connected with ejector rod, the both sides of male die and female die are fixedly connected with mould handle assembly, and the surface of mould handle assembly is fixedly connected with limiting mechanism. The utility model can adopt hot stretching technology by male die, material supporting plate and female die, according to the appearance of part, design deep drawing forming die, ensure the appearance curvature of part, prevent wrinkling problem, suitable for such fireproof cover titanium alloy sheet metal part forming, improve yield, save production cost, and the internal temperature can be measured by temperature measuring hole.

The utility model relates to the field of bridge design auxiliary devices, and discloses an auxiliary design device of an anti-seismic bridge structure, which comprises a table, a supporting plate is arranged on the upper surface of the table, a positioning assembly is arranged on the upper surface of the table, an adjusting assembly is arranged on the upper surface of the supporting plate, and the adjusting assembly comprises a sliding plate. The inner wall of the sliding plate is elastically connected with a sliding block through a compression spring, the rear surface of the sliding block is fixedly connected with a round block, the inner wall of the round block is elastically connected with a limiting block through a limiting spring, the sliding plate is slidably connected to the upper surface of the supporting plate, and the sliding block is slidably connected to the inner wall of the sliding plate. According to the drawing flattening device, through cooperation of the sliding plate, the compression spring, the sliding block, the round block, the positioning block and the roller shaft, a drawing on the supporting plate can be flattened, bubbles in the drawing can be pressed out, the problems that the edge of the drawing is prone to upwarp and wrinkles are solved, and engineers can conveniently use the drawing flattening device.

The sealing machine comprises a plastic bag heat sealing machine and a flattening mechanism, the plastic bag heat sealing machine comprises a main machine, one side of the main machine is fixedly provided with a conveying device, the flattening mechanism comprises a plate body fixedly connected to a shell of the conveying device, one side of the plate body is fixedly provided with a motor, and the motor is fixedly connected with the conveying device. An output shaft of the motor is fixedly connected with a lead screw, the lead screw is sleeved with a support in a threaded mode, a rod body is slidably connected into the support, the two ends of the rod body are fixedly connected with the plate body and the main machine respectively, the support is fixedly connected with an electric push rod and a supporting plate, and the push end of the electric push rod is fixedly connected with a pressing plate. A touch inductive switch is fixedly embedded in the supporting plate, and the electric control output end of the touch inductive switch is electrically connected with the electric control input end of the electric push rod. The plastic bag sealing device not only solves the problem that a sealing part is easy to wrinkle when a plastic bag is held by hand, but also reduces manpower consumption during operation.

The LED vehicle-mounted backlight plate structure comprises a frame body, a back plate, a foam strip and an optical film material, the frame body comprises a frame and a bearing frame, the bearing frame is vertically connected to the inner wall of the frame and divides the frame into an inner side and an outer side with the bearing frame as the center, and the back plate is fixedly connected to the outer side of the frame. Connecting bosses are arranged at the connecting positions of the inner side of the frame and the bearing frame, the foam strips are arranged in the circumferential direction of the connecting bosses, the bottom edges of the foam strips are fixedly connected to the outer wall faces of the connecting bosses respectively, and a containing cavity allowing an optical film material to be placed in is defined between the inner side walls of the connecting bosses and the bearing frame. And an expansion gap for expansion and shrinkage of the optical film material is reserved between the foam strip and the optical film material. According to the vehicle-mounted display screen, the phenomenon that the optical film material is wrinkled or warped when expanding at high temperature can be avoided, the problem that the optical film material is wrinkled under the temperature change is solved, the service life of the vehicle-mounted display screen can be prolonged, and the light-emitting effect of the vehicle-mounted display screen is guaranteed.