15results about How to "Improve forming efficiency" patented technology

The application belongs to the technical field of additive manufacturing equipment, and relates to a non-contact powder spreading device for additive manufacturing, which comprises a powder storage groove, a powder controller and a control panel; the powder controller is arranged at the bottom of the powder storage groove; and the control panel is connected with the powder controller and drives the powder controller to open or close. The application can avoid the problems of knife sticking and powder sticking, and can also avoid the problems of deformation and damage of the formed part caused by scraping. The application can effectively improve the forming quality of the powder spreading type additive manufacturing equipment and is also beneficial to the realization of the non-support forming technology.

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.

The application relates to the battery technical field and discloses a battery pack and an electric device, which comprise a box body, a cover body and a battery monomer assembly. The box body comprises a side plate and a containing cavity with an opening surrounded by the side plate; a glue groove is arranged on the side plate, a glue layer is arranged in the glue groove, a ventilation hole is arranged on the outer wall of the side plate, and the ventilation hole is communicated between the glue groove and the outside of the box body. The cover body is arranged on one side of the opening of the box body, the cover body seals the opening and is bonded with the glue layer in the glue groove. After the battery monomer assembly is arranged in the containing cavity, glue is poured into the glue groove. Then, the cover body is arranged on one side of the opening of the box body, so that the cover body seals the opening and the glue groove, and thus, after the glue solidifies to form the glue layer, the cover body can be bonded with the box body through the glue layer. Since the ventilation hole is arranged on the outer wall of the box body and is communicated between the glue groove and the outside of the box body, air can enter the glue groove through the ventilation hole and contact the glue, so that the glue can absorb the water vapor in the air and quickly solidify, and the forming efficiency of the glue layer is improved.

The application belongs to the technical field of laser additive manufacturing, and particularly relates to an array type laser additive manufacturing method and device, which comprises the following steps: S1, digital model import and layering slicing; S2, scanning path planning and filling setting; S3, array type laser synchronous output control; S4, powder flow and powder feeding path control; S5, according to the width of the additive, the width of single track cladding is adjusted in real time; S6, according to the slice layer material of the additive, the matching material is delivered; S7, S1-S6 are repeated, and layer-by-layer accumulation is performed until the part manufacturing is completed. The application can accurately control the grain size, improve the material microstructure, and improve the mechanical properties; the generation of defects such as thermal cracks and pores is reduced, the stability of the deposition process is ensured; the interlayer bonding is optimized, the quality of multi-layer deposition is ensured; the residual stress is reduced, the size precision, shape stability and fatigue performance of the part are improved; the post-processing requirement is reduced, and the processing cost is reduced.

The invention discloses a liquid cooling driving pump body investment casting process which comprises the following steps: firstly, according to the size and the shape of a pump body, manufacturing a mold with a cavity consistent with the pump body and a loose piece for forming a complex inner cavity structure of the pump body, then injecting wax, molding a wax mold in the mold cavity by adopting a one-time mold splitting molding process, according to the pump body complex inner cavity wax mold, loose pieces are mutually positioned, combined and formed, then wax injection mold splitting is carried out to obtain a wax body, the wax body is connected to a mold head through a pouring gate system to form a tree group, then shell making and dewaxing are carried out on the tree group to form a mold shell, and then roasting, smelting pouring and post-treatment are carried out on the mold shell to form a casting. And the casting is further machined through overhauling, heat treatment, shaping and finish machining, and finally the qualified pump body is obtained if the casting is detected to be correct. Through one-time mold splitting of the wax piece with the complex structure in the inner cavity of the pump body, the mold splitting efficiency is improved, the cost is reduced, meanwhile, the pump body casting is corrected by adopting a one-time composite sizing mold after being subjected to smelting pouring, orderly cooling solidification and heat treatment, and the leakage risk of the pump body casting is greatly reduced.

The invention relates to medium-entropy alloy powder, a heterogeneous high-strength VCoNi series medium-entropy alloy and a preparation method and application of the medium-entropy alloy, belongs to the field of laser processing materials, and solves at least one of the problems that in the prior art, the strength, plasticity and toughness of the entropy alloy are difficult to synergistically improve in the laser additive manufacturing process, and cracks and air hole defects occur. The entropy alloy powder in the VCoNi system comprises the following chemical components: 29.5%-30.5% of V, 37.5%-39.0% of Co, 26.5%-28.0% of Ni, 3.8%-4.9% of Al, 0.003%-0.03% of C, less than or equal to 5ppm of H, less than or equal to 100ppm of N and less than or equal to 200ppm of O. The powder provided by the invention synergistically realizes improvement of the strength, plasticity and toughness of the alloy, and the preparation method realizes improvement of the strength, plasticity and toughness of the medium-entropy alloy.

The present application relates to a kind of green frozen sand mold additive manufacturing forming system equipment and method, including heat-insulated sealed printer shell;Detachable multifunctional printing platform;With temperature adjustment function's ink supply system;With heat insulation function's printing assembly;Adjustable sanding volume's sanding device;Adjustable interlayer refrigerator;Multi-material precooling sand mixing device;External control cooling and humidity refrigerating unit.The device of the present application is based on the principle of additive manufacturing, according to the designed three-dimensional digital model of casting, adopts interlayer cooling method to rapidly cool down and freeze the sprayed water-based ink, forms layer by layer, can quickly produce multi-material, green pollution-free, high-quality complex sand mold (core), meet the casting needs in many aspects, improve the performance and precision of casting, realize the high efficiency, high performance and green casting of complex casting.

The invention discloses a contour path planning method for structural circuit integrated manufacturing, a storage medium and equipment, and the method comprises the steps: importing slice contour data of a structural circuit integrated model, extracting all closed contours of a structural circuit from each layer of slice contour data, and calculating the geometric center of each closed contour; a closed contour tree data structure is constructed according to the contour data of each layer of slices, contour offset is set according to the inclusion relation between closed contours, and a printing filling contour is generated; geometric centers of closed contours in each layer of slice contour data form a node set, and an optimal global contour path printing sequence is determined through a genetic annealing algorithm; according to the optimal global contour path printing sequence, the printing starting point of each closed contour is optimally selected, and an optimal printing starting point set of all the closed contours is obtained; and according to the optimal global contour path printing sequence and the optimal printing starting point set, the movement track of the printing head is determined, and the printing filling contour is printed.

This invention belongs to the field of sheet metal processing technology, specifically relating to a flexible progressive forming method for large sheet metal parts based on multi-robot collaboration. The method includes the following steps: dividing the three-dimensional model of the target component into several sub-regions based on its geometric features, and determining the tool head and forming process parameters for each robot in each sub-region; performing trajectory planning and motion synchronization for each robot; performing dynamic collision detection based on the real-time position feedback of each robot, and optimizing the trajectory through coordinated planning of speed and trajectory; and dynamically adjusting the forming process parameters of each robot based on the real-time force feedback of each tool head using a force / position hybrid control algorithm. Compared with existing technologies, this invention solves the problems of limited forming range and low efficiency in existing technologies. This solution achieves both expanded forming range and ensures consistent forming accuracy and quality of the component.

The invention relates to the technical field of metal additive manufacturing, in particular to a method for laser additive manufacturing of an AlSi10Mg alloy. Comprising the steps that the thickness of a powder laying layer is set, a scanning path is planned, and AlSi10Mg alloy powder is laid on a preheated aluminum substrate according to the thickness of the powder laying layer to form a forming area; the forming area is scanned according to the scanning path, the AlSi10Mg alloy powder in the forming area is molten in the scanning process, a molten pool is formed, and a current deposition layer is obtained after the molten pool is cooled and formed; and the powder laying and scanning processes are repeated, subsequent deposition layers are constructed on the current deposition layer layer by layer, after an AlSi10Mg alloy forming part is obtained, the preheated aluminum substrate is separated, and the laser additive manufacturing AlSi10Mg alloy is obtained. According to the method, high-power laser is combined with a large-layer-thickness process, and the defects of strong plasticity inversion and high defect rate in the prior art are overcome by optimizing the scanning rate, the powder laying layer thickness and molten pool behavior control.

The utility model belongs to the field of additive manufacturing equipment, and discloses a semi-solid 3D printing device capable of achieving synchronous degreasing and real-time solvent recovery. A 3D printing module; the liquid supplementing module comprises a liquid supplementing spray head and a solvent pre-storage cabin which is arranged outside the forming cabin and is connected with the liquid supplementing spray head through a solvent pipeline; and the solution self-circulation module comprises a solution recovery cabin which forms a closed loop with the forming cabin through a circulating pipeline. The liquid supplementing module and the solution self-circulation module are integrated, a degreasing solvent is injected into the forming cabin through the liquid supplementing module, synchronous degreasing in the printing process of a green body part is achieved, online recovery and cyclic utilization of the degreasing solvent are achieved through the solution self-circulation module, and the material forming efficiency and forming quality can be remarkably improved.

The utility model relates to the technical field of suction filter, and disclose a vacuum suction filter for carbon fiber solidification heat preservation felt, including base, the outer wall fixed mounting of base has the controller, the top fixed mounting of base has the supporting rod, the top of base is equipped with first motor, the power output shaft fixed assembly of first motor has organism. This vacuum suction filter for carbon fiber solidization heat preservation felt, through the body in the top outer wall of supporting rod because of suction filter vibration is too big, respectively with the inner wall of the magnet is connected in the supporting block, the face of two magnets corresponding is the same sex, use two magnets between existence same sex repulsion, make two magnets produce the shock -absorbing purpose, through two supporting blocks are located at the both ends of round rod, and the supporting block of round rod one end close to forms the sliding sleeve joint with the outer wall of round rod, can make round rod be able to play the limiting effect to supporting block, avoid the position deviation of supporting block in the process of shock absorption, increased the stability of the device.

The application relates to a manufacturing method of a self-suction sweating type active-cooling leading edge component, and belongs to the technical field of aircraft thermal protection. According to the model structure characteristics of the leading edge component, slicing processing is carried out to obtain a model of an additive manufacturing sample; then, according to the model of the leading edge component, a powder bed additive manufacturing is carried out, and process parameters and scanning strategies are controlled to obtain a blank; the blank is subjected to heat treatment to remove residual stress generated in the additive manufacturing process; a femtosecond laser is used to punch holes on the surface of the processed blank to obtain the leading edge component; the obtained leading edge component is a three-layer three-channel structure, and from inside to outside, the three-layer structure comprises an internal compact layer, an intermediate porous material layer and a surface sweating structure layer, and the three-layer structure respectively comprises a conventional fractal channel, a three-dimensional gap channel and a micro-scale sweating channel, so that self-driven thermal protection is realized, the cooling efficiency is relatively high, the high-temperature mechanical properties and the fatigue resistance are good, and the aircraft can be used back and forth.

The application belongs to the technical field of large metal component manufacturing, and particularly relates to an electric arc additive forming method for large metal components. The method combines a submerged arc additive manufacturing method and a cold metal transition manufacturing method, the edge of the metal component is prepared by the cold metal transition method to improve the contour size accuracy and reduce the surface roughness, and the core of the metal component is prepared by the submerged arc additive manufacturing method to improve the forming efficiency of the part. Compared with traditional forging or a single electric arc additive forming mode, the method can realize rapid prototyping of large metal components, accurately control the machining allowance of the formed part contour by using the cold metal transition method, improve the size accuracy, significantly improve the material utilization rate, and reduce the production cost.