86results about How to "Increase molding rate" patented technology

The invention discloses a multipath wire feed laser fused deposition modeling (LFDM) device and method. The device comprises a wire feed nozzle composed of multiple wire conveying pipelines, a laser head and a carbon dioxide laser. The wire feed nozzle and the laser head are fixedly connected together through a connecting part to form a composite printing head. A steering engine is mounted on the connecting part so as to increase the freedom degree of the composite printing head. The laser head can transmit a rectangular laser beam, and the rectangular laser beam ejects out from the lateral direction of the laser head and irradiates and covers the ends of corresponding wires stretching out of the outer portion of the wire feed nozzle to carry out fusing on the ends. According to the device, on the basis of a traditional fused deposition technology, a laser fused deposition technology is developed, some problems existing in traditional equipment are solved, meanwhile, more functions are given to the novel device, and more possibilities and methods and thoughts for solving the problems are provided for the fused deposition modeling technology. Meanwhile, by means of linear multipath wire feed, an effective multi-conveying-pipeline arrangement manner is provided.

The invention discloses a laser fused deposition modeling device and a running method thereof. The device comprises a carbon dioxide laser generator, a composite printing head and a multi-way wire feeding mechanism, wherein the carbon dioxide laser generator is connected with the composite printing head through an optical fiber and is connected with a moving lens set and a focusing lens in the composite printing head by means of optical paths; the lower end of the composite printing head is of a tapered structure, and a plurality of wire guide channels are distributed along the outer circumferential wall of the tapered structure; a wire supplied by the multi-way wire feeding mechanism passes through the corresponding wire guide channel; the carbon dioxide laser generator is used as a heat source for fusing the wires, and laser focus points focus the end parts of the wires so as to fuse the wires; an X- and Y-directional moving mechanism is used for carrying the composite printing head, and the fused wires are fused and deposited on a hot bed according a planned path. According to the device, the carbon dioxide laser generator and the composite printing head are organically integrated; the wires are fused at the outside of the composite printing head, so that the problem that a spray head of an existing printing head is easily blocked during printing can be solved.

The invention relates to the field of dishwasher equipment, in particular to an inner container of a drawer dishwasher and a forming process of the inner container; the inner container comprises an inner container upper body and an inner container lower body; the inner container upper body is provided with a holding cell for holding bowls and chopsticks, and the holding recess is extended from theinner container upper body and the inner container lower body. A traditional inner container is segmented into at least two segments; single stretching height of sheet metal of the inner container isnever too great owning to such design, forming rate of the sheet metal of the inner container can be increased, scrap rate of the sheet metal of the inner container due to stretching is decreased, the inner container forming cost is partly reduced, and industrial production is benefited.

The invention belongs to the field of automobile manufacturing, and relates to an axle paint spraying device. The axle paint spraying device comprises a base, wherein a shell is fixedly connected to the top of the base, two sliding rails are fixedly connected to the front end wall and the rear end wall in the shell, a hydraulic rod is rotatably connected to a fixing plate, a fixing sleeve is fixedly connected to the other end of the hydraulic rod, and a clamping plate is fixedly connected to the other end of each adjusting screw rod; a driven bevel gear fixedly sleeves the hydraulic rod, a driving bevel gear is fixedly connected to the output end of a second driving motor, four pumps are fixedly connected to the top of the shell, a nozzle fixedly communicates with the output end of each ofthe four pumps, a heating box fixedly communicates with the top of the shell, a ventilation pipe fixedly communicates with the top of the heating box, and an electric heating wire fixedly sleeves a heating rod; and an induced draft fan is fixedly connected to the output end of a third driving motor, and an air cooler is fixedly connected to the top of the shell. The device can fix axles of different sizes, degreasing, rust prevention, cleaning, drying and other treatment can be performed on the axles, and besides, turned-over multi-directional paint spraying can be performed on the axles in the paint spraying process.

High-fluidity polypropylene for production of folding stools is prepared from components in parts by weight as follows: 60-70 parts of polypropylene, 14-18 parts of a superbranched polymer, 12-16 parts of EBS, 2-4 parts of peroxide, 10-20 parts of shell powder and 20-30 parts of a solvent. According to the technical scheme, EBS is a plastic dispersant and used as a carrier, the superbranched polymer can be combined with EBS, the mixture is added to polypropylene, and EBS can be dispersed better. Additionally, with increase of the added superbranched polymer, the viscosity of polypropylene is reduced, and the fluidity of polypropylene can be improved. Besides, when polypropylene is cooled, cured and formed, the superbranched polymer has a three-dimensional branched structure, the clean structure of a polypropylene macromolecular chain can be affected and is more difficult to damage, and accordingly, the mechanical performance of polypropylene is guaranteed.

The invention belongs to the technical field of lithium battery diaphragms, and particularly relates to a lithium battery diaphragm with a uniform pore diameter and a preparation method thereof. The lithium battery diaphragm comprises a core layer and surface layers disposed on both sides of the core layer. The core layer comprises, 91 to 96.5% of polyethylene, 2.5 to 6% of epoxy resin, 1 to 3% iflinear high-density polyethylene. Each surface layer includes, by weight percentage, 98.5 to 99.5% of polypropylene and 0.5 to 1.5% of polypropylene copolymer. By adding a small amount of linear high-density polyethylene and epoxy resin to the polyethylene composition of the core layer, and by adding a small amount of polypropylene copolymer to the polypropylene composition of the surface layers,the molding rate of the crystal can be increased and the crystal integrity can be improved during the crystallization process of casting a cast piece, thereby forming a lithium battery diaphragm witha uniform pore diameter in a process of longitudinal stretching and transverse stretching pore formation.

The invention relates to a warm pressing deformation biological magnesium alloy and a preparation method thereof. The warm pressing deformation biological magnesium alloy is composed of, by mass, 0.1-6.5% of Zn, 0.1-1.8% of Mn, 0.1-1.2% of Gd and the balance Mg. The preparation method of the biological magnesium alloy comprises the steps that as-cast magnesium alloy according with the composition proportion is subjected to a series of pre-treatment operations before being pressed, and is put into an extrusion machine for first upsetting when the temperature of a sample is lower than the recrystallization temperature, then warm pressing is conducted, the sample temperature of warm pressing is 150-250 DEG C, and the warm pressing speed is 130-200 mm / s; and after warm pressing is completed, a series of subsequent heat treatment operations are carried out on the alloy, and the warm pressing deformation biological magnesium alloy is prepared. According to the magnesium alloy, crystal particles are fine and uniform, excellent physical performance and corrosion resistance are achieved, the problems that magnesium alloy is low in intensity and plasticity and too high in degradation velocity when in human bodies can be effectively solved, the number of degradation products of the alloy is small, the pre-pressure can be discharged out of the human bodies in time and cannot cause toxicity to the human bodies, and the alloy can be applied to medical fields such as bone lamellas, bone nails and cardiovascular stents.

The invention relates to the mold field, specifically a stamping metal casting mold. The stamping metal casting mold comprises a fixing structure, a stamping structure, a sliding structure, a castingstructure, a reset structure and a metal workpiece; sliding slots are arranged in a supporting plate and a lower die are; limiting plates and second springs are fixed in the sliding slots; a through pipeline is arranged in the lower die; a ventilation pipe communicates with the sliding slots and stamping grooves, so that the lower die slides into the sliding slots through the limiting blocks whenthe metal workpiece is pressed down, and the limiting blocks press down the limiting plates and the second springs to play a buffering role, so that the lower die has a certain buffering force, the impact force when the stamping head stamps the metal workpiece is buffered, and the stamping head is not easy to damage. At the same time, the air in the sliding slots is pressed down into the ventilation pipe through the limiting plates in the sliding slots, so that the air is blown to the outside of the metal workpiece in the stamping groove, and the stamping metal casting mold is beneficial to heat dissipation of the metal workpiece and improving the quality of the metal workpiece.

The invention provides a combined waterproof material processing and forming method. The combined waterproof material processing and forming method adopts the following equipment for processing. The equipment comprises a base, a supporting table and a laminating device, wherein the lower end of the base is connected with the existing ground, the supporting table is mounted at the upper end of the base, and the laminating device is arranged above the supporting table. A rubber waterstop can be wound and unwound through a round roller through a first motor, then a second fixing plate drives the round roller to do synchronous linear motion through a moving module, so that the round roller drives the rubber waterstop to do stretching motion till the rubber water-stop belt is unwound and attached to the steel plate water-stop belt, so that the function of automatically combining and forming the rubber water-stop belt and the steel plate water-stop belt is achieved.

The invention discloses aluminum casting motor casting equipment which comprises a bottom plate, a transverse plate, a base, a rotary seat, a lower die, a die core and an upper die plate. The transverse plate is horizontally fixed above the bottom plate through a supporting column, the base is fixed on the transverse plate, the rotary seat is movably arranged above the base, a motor for driving the rotary seat to rotate is fixed in the base, the top end of the rotary seat is opened, the lower die is detachably arranged in the rotary seat, the upper die plate is arranged above the lower die, the die core is fixed on the bottom surface of the upper die plate, a cavity is formed between the die core and the lower die, a heat dissipation gap is reserved between the outer wall of the lower dieand the inner wall of the rotary seat, draining holes are distributed at the bottom of the shell of the rotary seat, a cooling water channel is arranged in the heat dissipation gap, and a plurality ofatomizing nozzles are distributed on the cooling water channel. According to the aluminum casting motor casting equipment, raw materials can be uniformly distributed in the cavity by rotating the rotary seat, and the cooling water channel and the atomizing nozzles are arranged, so that products in the cavity can be rapidly cooled, and product forming is accelerated.

The invention relates to a photo-cured three-dimensional printer and a forming method of a three-dimensional object. The photo-cured three-dimensional printer comprises a photosensitive resin tank; plane laser units are arranged on the outer sides of at least two side surfaces of the photosensitive resin tank; at least a part of each side wall, corresponding to one plane laser unit, of the photosensitive resin tank is a transparent part; each plane laser unit is provided with a laser and a focusing lens; the lasers generate plane type laser beams; the focusing lenses are arranged in light paths of the corresponding lasers; and focusing positions of plane type laser beams in the photosensitive resin tanks can be adjusted. The forming method of the three-dimensional object adopts the photo-cured three-dimensional printer to print and realizes the effect of photocuring. The photo-cured three-dimensional printer realizes the effect of layer-by-layer curing of photosensitive resin, the forming efficiency is improved, a control process of the plane type laser beams is simple, and the operation is easy.

The invention discloses a round pin-point gate pouring molding structure. The structure comprises a supporting mechanism, a mold closing mechanism is arranged at the top of the upper end of the supporting mechanism, a base plate is arranged at the bottom of the lower end of the supporting mechanism, screws are arranged on the periphery of the outer side of the supporting mechanism, and a lower mold cavity is formed in the top of the upper end of the supporting mechanism. A molding mechanism is arranged on the inner side of the upper end of the mold closing mechanism. Auxiliary feeding mechanisms are arranged on the two sides of the interior of the molding mechanism. According to the structure, a heating wire layer is used for heating the upper mold cavity, so that the situation that the temperature in the mold cavity is too low, water vapor is generated due to direct contact with melt, even the water vapor is accumulated in the mold cavity, flowing and molding pressure of the melt are affected, and bubbles are generated in a product is avoided. Through the heating of the heating wire layer, preheating operation can be carried out before molding, so that the situation that melt flows discontinuously in the mold cavity due to too large mold temperature difference is avoided.

The invention discloses an assembly type building template with a firm structure for engineering construction, which comprises a bottom plate, a connecting groove and a building template main body, the inner wall of the bottom plate is provided with the connecting groove, and the upper end of the bottom plate is provided with the building template main body; the transverse rod is arranged on the outer side of the building formwork body, an extrusion groove is formed in the transverse rod, and the transverse rod is arranged on the supporting frame in a penetrating mode; the movable rod is arranged in the bottom plate, a first magnetic ball is installed at the upper end of the movable rod, and the movable rod and the bottom plate are connected through a built-in spring; and the stop lever is fixedly installed at the lower end of the vertical rod, and magnets are installed at the lower end of the middle of the stop lever and the inner end of the movable rod. According to the assembly type building formwork with the firm structure for engineering construction, bubbles existing between concrete can be reduced in the pouring process, meanwhile, after pouring is completed, the concrete can be heated so that the concrete can be rapidly formed, and the working efficiency of overall machining is improved.

A rapid prototyping method for preparing light-curing resin belongs to the field of material preparation. It is characterized by comprising the following steps: pouring the epoxy resin into a flask with a stirrer and a temperature control facility, introducing nitrogen for protection, heating at the temperature, adding a hydroquinone polymerization inhibitor, and stirring evenly; The amount of resin and acrylic acid substance Weigh the acrylic acid, add tetrabutylammonium bromide, stir until it is completely dissolved, pour it into the constant pressure dropping funnel, start to drip the mixture, about 2s every drop, slowly heat up; after the reaction is stable Take samples at intervals and measure the acid value. When the acid value is less than 5 mg / g KOH, the heating is stopped, and the product is the prepared resin. Through the effective improvement of the process, the preparation method of the photocurable resin is simplified, and the low viscosity of the prepared resin is conducive to the rapid leveling of the resin, easy operation, high curing rate, which is conducive to improving the molding rate, simplifies the preparation process, saves money The preparation cost is reduced, and it is suitable for promotion and use in related fields.

The invention discloses an integral sand core casting method for a spiral waterway of a new-energy automobile motor casing and a sand core structure. The integral sand core casting method comprises the steps of automatic mold closing and core injection molding. In the step of automatic mold closing, a core pulling mold, a bottom mold, a first mold closing and a second mold closing are closed automatically; a fourth mold cavity matched with the integral sand core of the spiral waterway is formed by a cylinder body of the core pulling mold, a first mold cavity located in the semi-circle groove of the bottom mold, a second mold cavity of the first mold closing, a third mold cavity of the second mold closing; and the fourth mold cavity comprises a sand inlet. In the step of core injection molding, ceramsite in a workbin is injected into the fourth mold cavity through the sand inlet; and the integral sand core of the spiral waterway is molded preliminarily in the fourth mold cavity. According to the integral sand core casting method for the spiral waterway of the new-energy automobile motor casing, by means of automatic mold closing, the fourth mold cavity matched with the integral sandcore of the spiral waterway is formed; then the ceramsite is injected into the fourth mold cavity, and the integral sand core of the spiral waterway is acquired in an integrally-molded manner; the molding operation of the integral sand core of the spiral waterway is simplified; and thus the molding rate of the sand core is improved, and the molding quality of the sand core is also improved.