Aerogenerator blade mould of built-in rapid cooling mechanism
Technical Field
The invention relates to the technical field of wind power generation, in particular to a wind driven generator blade mold with a built-in rapid cooling mechanism.
Background
The wind power generator is an electric device which converts wind energy into mechanical work, the mechanical work drives a rotor to rotate, and alternating current is finally output, the design of the blade in the wind driven generator directly influences the conversion efficiency of wind energy, directly influences the annual energy production, and is an important ring for wind energy utilization, the existing blade is usually manufactured by adopting an injection molding process, the injection molding is carried out by a mold, molten injection molding materials are cooled and molded in a mold cavity, the existing cooling mode is natural cooling and slow in speed, and the blade is usually a triangular structure with one large end and one small end, when cooling, the large end is cooled and the small end is cooled, therefore, stress distribution is uniform when the blade is formed, concentrated stress is easily generated, and the service life of the blade is influenced.
Disclosure of Invention
The invention aims to provide a wind driven generator blade mould with a built-in rapid cooling mechanism, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a built-in rapid cooling mechanism's aerogenerator blade mould, includes the frame, the fixed installation die holder in top of frame, the top of die holder is equipped with movable mould base, the one side that fixed mould base and movable mould base are close to mutually is through the embedded installation mold core of screw, the both ends bottom of fixed mould base is fixed respectively and is cup jointed inlet tube and outlet pipe, install heat transfer mechanism between inlet tube and the outlet pipe, the bottom of the inseparable laminating mold core of heat transfer mechanism, the outer wall and the water circulation mechanism of connecting of die holder are all run through to the one end of inlet tube and outlet pipe.
In an embodiment of the present invention, the mold core is provided with a blade cavity of a wind driven generator, two ends of the top surface of the frame are fixedly provided with guide posts, two outer walls of two sides of the movable mold base are fixedly provided with guide plates, the guide plates are slidably clamped on the guide posts, the tops of the guide posts penetrate through the guide plates and are fixedly provided with top plates, and the top plates are provided with hydraulic cylinders and material injection nozzles.
An embodiment of preferred, heat transfer mechanism includes the joint, the equal a plurality of joints of fixed mounting in the one side that inlet tube and outlet pipe are close to mutually, the joint department of the die cavity bottom of mold core all is equipped with the rotating tube, the rotating tube is close to the one end slip cup joint connecting pipe that connects, the connecting pipe passes through the helicitic texture attach fitting, the terminal surface fixed mounting sealing ring of rotating tube, the inner wall of the connecting pipe of closely laminating of sealing ring, through helicitic texture installation end cap on the joint in the rotating tube outside, the rotating tube is kept away from the one end rotation terminal surface of installing the heat exchange tube of joint, install a plurality of fin assembly on the heat exchange tube.
In an embodiment, the inner cavity and the through holes at the two ends of the connecting pipe form a middle-shaped structure, the sealing ring is closely attached to the inner wall of the middle part of the middle-shaped structure, the heat exchange pipe is of a U-shaped structure, and the rotating pipe is of an L-shaped structure.
An optimal embodiment, the fin assembly includes solid fixed ring, a plurality of solid fixed rings of fixed mounting on the heat exchange tube, gu the activity is equipped with the collar on the fixed ring, the inner wall of collar is opened there is the slot, the solid fixed ring of slot joint, the fixed fin of top fixed mounting of collar, movable fin is installed through countersunk screw at the top both ends of fixed fin.
In an embodiment of the invention, the two ends of the fixing ring are integrally provided with supporting plates, the fixing ring and the supporting plates form an omega-shaped structure, the bottoms of the two ends of the mounting ring are tightly pressed on the supporting plates at the two ends of the fixing ring, the inner diameter of the mounting ring is equal to the outer diameter of the heat exchange tube, and the distance from the top of the fixing fin to the heat exchange tube is equal to the distance from the heat exchange tube to the top of the inner cavity of the fixed die base.
An embodiment of preferred, water circulation mechanism includes the water tank, the bottom of water tank fixed mounting frame, inlet tube and outlet pipe are fixed respectively and run through the both ends top of water tank, a plurality of heat insulating boards of fixed mounting in the water tank, the circulation groove has been opened to the bottom of heat insulating board, form a plurality of water storage chambeies between the inner wall of heat insulating board and water tank, the driven shaft is cup jointed all to rotate between the water storage intracavity inner wall between outlet pipe bottom and outlet pipe and the water inlet pipe, it runs through and is equipped with the driving shaft to rotate on the water tank curb plate at driven shaft top, fixed mounting flabellum on the driving shaft, installation engaged with gear on driving shaft and the driven shaft, fixed mounting water wheels on the driven shaft, one side outer wall that the driving shaft was kept away from to the water tank is opened has a plurality of ventilation holes.
An embodiment of preferred, water storage chamber bottom is the slope structure, and goes out the water pipe and highly reduce gradually to the water storage chamber bottom between the inlet tube, the top fixed mounting of inlet tube has the suction pump, fixed mounting has the motor on the outer wall of water tank, the one end that the flabellum was kept away from to the driving shaft run through the water tank and with the output shaft of motor between installation matched with sprocket and driving chain.
In an embodiment of the present invention, a water replenishing hole is formed in the top of the side wall of the water tank at the water inlet pipe, the sealing plate is slidably clamped on the inner wall of the water tank at the water replenishing hole, a magnet block is fixedly mounted on the inner wall of the water tank at the top of the water replenishing hole, the magnet block is magnetically adsorbed on the top of the sealing plate, a sliding groove is formed in the outer wall of the sealing plate, a sliding rod is slidably clamped in the sliding groove, and a floating ball is fixedly mounted at the bottom of the sliding rod.
The preferred embodiment, the height that highly is less than ventilation hole and driving shaft of moisturizing hole, slide bar and spout joint department are T type structure, the outer wall bottom fixed mounting of closing plate has the stopper, and the inner wall of water tank opens the spacing groove that has the joint stopper.
The invention has the beneficial effects that:
1. when the blades are injection molded between the mold cores, cold water in the water circulation mechanism enters the heat exchange mechanism through the water inlet pipe, so that the bottom of the mold core is cooled, the cooling molding speed is improved, one end of the rotating pipe is connected with the joint through the connecting pipe, the heat exchange pipe can rotate along the rotating pipe, so that the inclination angle is changed, one ends of the heat exchange pipes, which are close to the water inlet pipe, are sparsely arranged, one ends of the heat exchange pipes, which are close to the water outlet pipe, are closely arranged, the mounting ring is clamped on the fixing ring, the whole width of the fins is adjusted through the mounting positions of the movable fins in the fixed fins, so that the bottom fins of the mold core at the large end of the blades are wide, the fins at the small end of the blades are narrow, and the heat exchange pipes are obliquely mounted, so that a triangular structure is formed, the heat exchange speed of the large end of the blades is high, and the heat exchange speed of the small end of the blades is low, the aim of uniformly cooling the whole blade is fulfilled, the situation that the large head end is rapidly cooled and molded and is still liquid injection molding material is avoided, the aim of uniformly and rapidly cooling is fulfilled, the blade is prevented from generating concentrated stress, and the service life of the blade is prolonged;
2. the hot water flowing out of the water outlet pipe falls into the water tank, the driving shaft synchronously rotates at the moment, the driven shaft is driven to synchronously rotate through the gear, the driven shaft drives the water wheel to rotate, the water wheel turns over the water in the water storage cavity, meanwhile, the fan blades rotate to quickly cool the water in the water storage cavity, the water cooling use of the heat exchange mechanism is met, the water in each water storage cavity is separated through the arrangement of the heat insulation plates, the lowest water temperature at the position of the water inlet pipe is ensured, the hot water flowing out of the water outlet pipe is prevented from being directly pumped away by the water inlet pipe, and the cooling efficiency is improved;
3. when hot water is cooled in the water tank, fan blades are blown to accelerate water cooling, water evaporation hinges are formed, circulation grooves are arranged to enable water in each water storage cavity to flow through and are level in height, water replenishing holes are connected with an external water source pipe, when the liquid level is lowered integrally, the floating balls drive the sliding rods to descend, the sliding rods do not contact the bottoms of the sliding grooves at the moment, the sealing plates are still adsorbed by the magnet blocks, the water replenishing holes are sealed, when the liquid level continues to be lowered, the sliding rods slide to the bottoms of the sliding grooves, the sealing plates are pulled down by the weight of the floating balls and the sliding rods to be separated from the magnet blocks, the sealing plates slide downwards, the water replenishing holes are exposed, water replenishing is started, the liquid level rises gradually, the floating balls rise, the sealing plates are pushed to move upwards when the sliding rods contact the tops of the sliding grooves, the water replenishing holes are plugged gradually by the sealing plates to stop water replenishing, the sealing plates are adsorbed again by the magnet blocks, the purpose of automatic water replenishing is achieved, and the liquid level is lower than the heights of the ventilation holes and the driving shaft, preventing water from seeping outside the water tank.
Drawings
Fig. 1 is a schematic structural diagram of a wind turbine blade mold with a built-in rapid cooling mechanism according to an embodiment of the present invention.
FIG. 2 is a schematic cross-sectional view of the stationary mold base according to the present invention.
FIG. 3 is a partial structural view of the heat exchange mechanism of the present invention.
FIG. 4 is an enlarged view of the structure at A in FIG. 3 according to the present invention.
FIG. 5 is an enlarged view of the structure at B in FIG. 3 according to the present invention.
FIG. 6 is a schematic cross-sectional view of the water tank according to the present invention.
FIG. 7 is an enlarged view of the structure of FIG. 6 at C according to the present invention.
FIG. 8 is a schematic diagram of the driving shaft transmission structure of the present invention.
In the figure: 1. a frame; 2. fixing a die holder; 3. a movable die holder; 4. a mold core; 5. a water inlet pipe; 6. a water outlet pipe; 7. a water circulation mechanism; 71. a water tank; 72. a heat insulation plate; 73. a circulation tank; 74. a drive shaft; 75. a driven shaft; 76. a fan blade; 77. a gear; 78. a water wheel; 79. a vent hole; 8. a heat exchange mechanism; 81. a joint; 82. a plug; 83. rotating the tube; 84. a heat exchange pipe; 85. a fin assembly; 851. a fixing ring; 852. a mounting ring; 853. inserting slots; 854. fixing the fins; 855. a movable fin; 86. a connecting pipe; 87. a seal ring; 9. a guide post; 10. a top plate; 11. a guide plate; 12. water replenishing holes; 13. a sealing plate; 14. a magnet block; 15. a chute; 16. a slide bar; 17. a floating ball.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b): as shown in fig. 1 to 8, the invention provides a wind driven generator blade mold with a built-in rapid cooling mechanism, which comprises a frame 1, wherein a fixed mold base 2 is fixedly installed at the top of the frame 1, a movable mold base 3 is arranged at the top of the fixed mold base 2, a mold core 4 is embedded into one side, close to the fixed mold base 2 and the movable mold base 3, of the fixed mold base 4 through screws, a water inlet pipe 5 and a water outlet pipe 6 are respectively and fixedly sleeved at the bottoms of two ends of the fixed mold base 2, a heat exchange mechanism 8 is installed between the water inlet pipe 5 and the water outlet pipe 6, the heat exchange mechanism 8 is tightly attached to the bottom of the mold core 4, and one end of the water inlet pipe 5 and one end of the water outlet pipe 6 penetrate through the outer wall of the fixed mold base 2 and are connected with a water circulation mechanism 7. When the blade is injection moulding between mold core 4, the cold water in the water circulation mechanism 7 passes through inlet tube 5 and gets into heat transfer mechanism 8 to cool off 4 bottoms of mold core, improve cooling shaping speed, and 8 shape laminating blade shapes of heat transfer mechanism make the blade evenly cool off, then in the endothermic water of heat transfer mechanism 8 flowed into water circulation mechanism 7 through outlet pipe 6, carry out cooling cycle and use.
Further, the mold core 4 is provided with a blade cavity of the wind driven generator, guide posts 9 are fixedly mounted at two ends of the top surface of the frame 1, guide plates 11 are fixedly mounted on outer walls of two sides of the movable mold base 3, the guide plates 11 are slidably clamped on the guide posts 9, the top of each guide post 9 penetrates through the guide plates 11 and a top plate 10, and the top plate 10 is provided with a hydraulic cylinder and a material injection nozzle, so that the movable mold base 3 can move up and down to open and close the mold.
Further, the heat exchange mechanism 8 comprises a joint 81, a plurality of joints 81 are fixedly installed on the surfaces, close to each other, of the water inlet pipe 5 and the water outlet pipe 6, rotating pipes 83 are arranged at the joints 81 at the bottom of the cavity of the mold core 4, one ends, close to the joints 81, of the rotating pipes 83 are in sliding sleeve connection with connecting pipes 86, the connecting pipes 86 are connected with the joints 81 through threaded structures, sealing rings 87 are fixedly installed on the end surfaces of the rotating pipes 83, the sealing rings 87 are tightly attached to the inner walls of the connecting pipes 86, plugs 82 are installed on the joints 81 on the outer sides of the rotating pipes 83 through threaded structures, the end surfaces, far from the joints 81, of the rotating pipes 83 are rotatably installed on the end surfaces of the heat exchange pipes 84, a plurality of fin assemblies 85 are installed on the heat exchange pipes 84, through holes in the inner cavities and the two ends of the connecting pipes 86 form a ' middle ' structure ', the sealing rings 87 are closely attached to the inner walls in the middle of the ' middle ' structure, the heat exchange pipes 84 are U-shaped structures, the rotating pipes 83 are of L-shaped structures, one ends of the rotating pipes 83 are connected with the joints 81 through the connecting pipes 86, the heat exchange tubes 84 can rotate along the rotating tubes 83, so that the inclination angle is changed, one ends of the heat exchange tubes 84 close to the water inlet tube 5 are arranged sparsely, one ends of the heat exchange tubes 84 close to the water outlet tube 6 are arranged closely, and the width of the fin assembly 85 is adjusted, so that the heat exchange speed of the large end of each blade is high, the heat exchange speed of the small end of each blade is low, the purpose of uniformly cooling the whole blade is achieved, and the situation that the large end is cooled and formed quickly and the large end is still liquid injection molding materials is avoided.
Further, the fin assembly 85 comprises a fixing ring 851, a plurality of fixing rings 851 are fixedly mounted on the heat exchange tube 84, a mounting ring 852 is movably arranged on the fixing ring 851, a slot 853 is formed in the inner wall of the mounting ring 852, the slot 853 is clamped with the fixing ring 851, a fixed fin 854 is fixedly mounted on the top of the mounting ring 852, movable fins 855 are mounted at two ends of the top of the fixed fin 854 through countersunk screws, supporting plates are integrally formed at two ends of the fixing ring 851, the fixing ring 851 and the supporting plates form an omega-shaped structure, the bottoms of two ends of the mounting ring 852 are tightly pressed on the supporting plates at two ends of the fixing ring 851, the inner diameter of the mounting ring 852 is equal to the outer diameter of the heat exchange tube 84, the distance from the top of the fixed fin 854 to the heat exchange tube 84 is equal to the distance from the top of the inner cavity of the fixed die base 2, the mounting ring 852 is clamped on the fixing ring 851 before the heat exchange tube 84 is mounted, and the mounting position of the movable fins 855 in the fixed fin 854 is achieved, the whole width of adjusting fin, then the mold core bottom fin width of blade stub end, the fin of stub end is narrow, combines the slope installation of heat exchange tube 84 to form triangle column structure, match with the blade shape, it is convenient to adjust, and the not equidimension blade of laminating evenly cools off.
Further, the water circulation mechanism 7 comprises a water tank 71, the water tank 71 is fixedly arranged at the bottom of the frame 1, a water inlet pipe 5 and a water outlet pipe 6 respectively and fixedly penetrate through the tops of two ends of the water tank 71, a plurality of heat insulation plates 72 are fixedly arranged in the water tank 71, a circulation groove 73 is formed in the bottoms of the heat insulation plates 72, a plurality of water storage cavities are formed between the heat insulation plates 72 and the inner wall of the water tank 71, driven shafts 75 are rotatably sleeved between the bottoms of the water outlet pipes 6 and the inner wall of the water storage cavity between the water outlet pipe 6 and the water inlet pipe 5, driving shafts 74 are rotatably arranged on side plates of the water tank 71 at the tops of the driven shafts 75 in a penetrating manner, fan blades 76 are fixedly arranged on the driving shafts 74, gears 77 which are meshed with each other are arranged on the driving shafts 74 and the driven shafts 75, water wheels 78 are fixedly arranged on the driven shafts 75, a plurality of ventilation holes 79 are formed in the outer wall of one side of the water tank 71 away from the driving shafts 74, the bottoms of the water storage cavities are of inclined structures, and the bottoms of the water storage cavities between the water outlet pipe 6 and the water inlet pipe 5 are gradually reduced in height, the top fixed mounting of inlet tube 5 has the suction pump, fixed mounting has the motor on the outer wall of water tank 71, the one end that driving shaft 74 kept away from flabellum 76 runs through water tank 71 and with the output shaft of motor between installation matched with sprocket and driving chain, then the hot water that outlet pipe 6 flows falls into in water tank 71, driving shaft 74 rotates in step this moment, drive driven shaft 75 synchronous rotation through gear 77, then driven shaft 75 drives water wheel 78 and rotates, water in water wheel 78 stirs the water storage chamber, while flabellum 76 rotates, make the water of water storage intracavity cool off fast, through arranging of heat insulating board 72, make the separation of water in every water storage chamber, guarantee that the temperature of inlet tube 5 department is minimum, the hot water of avoiding outlet pipe 6 to flow is directly taken away by inlet tube 5, thereby improve cooling efficiency.
Furthermore, a water replenishing hole 12 is formed in the top of the side wall of the water tank 71 at the position of the water inlet pipe 5, a sealing plate 13 is slidably clamped on the inner wall of the water tank 71 at the position of the water replenishing hole 12, a magnet block 14 is fixedly installed on the inner wall of the water tank 71 at the top of the water replenishing hole 12, the magnet block 14 is magnetically adsorbed on the top of the sealing plate 13, a sliding groove 15 is formed in the outer wall of the sealing plate 13, a sliding rod 16 is slidably clamped in the sliding groove 15, a floating ball 17 is fixedly installed at the bottom of the sliding rod 16, the height of the water replenishing hole 12 is smaller than that of the air vent and the driving shaft 74, the clamping position of the sliding rod 16 and the sliding groove 15 is of a T-shaped structure, a limiting block is fixedly installed at the bottom of the outer wall of the sealing plate 13, a limiting groove for clamping the limiting block is formed in the inner wall of the water tank 71, when hot water is cooled in the water tank 71, the fan blades 76 are blown to accelerate water cooling, the water evaporation hinged blocks are arranged, the water storage cavities are arranged through the circulation grooves 73, the water storage cavities are flush in height, the water replenishing hole 12 is connected with an external water source pipe, when the liquid level is lowered integrally, the floating ball 17 drives the sliding rod 16 to descend, at the moment, the sliding rod 16 is not contacted with the bottom of the sliding groove 15, the sealing plate 13 is still adsorbed by the magnet block 14, the water replenishing hole 12 is sealed, when the liquid level continues to be lowered, the sliding rod 16 slides to the bottom of the sliding groove 15, the sealing plate 13 is pulled down by the weight of the floating ball 17 and the sliding rod 16, the sealing plate 13 is separated from the magnet block 14, the sealing plate 13 slides downwards, the water replenishing hole 12 is exposed, water replenishing is started, the liquid level gradually rises, the floating ball 17 rises, when the sliding rod 16 is contacted with the top of the sliding groove 15, the sealing plate 13 is pushed to move upwards, the water replenishing hole 12 is gradually blocked by the sealing plate 13, water replenishing is stopped, the magnet block 14 adsorbs the sealing plate 13 again, the purpose of automatic water replenishing is achieved, the liquid level is lower than the heights of the ventilation hole 79 and the driving shaft 74, and water is prevented from seeping out of the water tank 71.
When the cooling device is used, when blades are injection molded between the mold cores 4, cold water in the water circulation mechanism 7 enters the heat exchange mechanism 8 through the water inlet pipe 5, so that the bottoms of the mold cores 4 are cooled, the cooling molding speed is improved, one end of the rotating pipe 83 is connected with the joint 81 through the connecting pipe 86, the heat exchange pipe 84 can rotate along the rotating pipe 83, so that the inclination angle is changed, one ends of the heat exchange pipes 84 close to the water inlet pipe 5 are sparsely arranged, one ends of the heat exchange pipes close to the water outlet pipe 6 are tightly arranged, the mounting ring 852 is clamped on the fixing ring 851, the integral width of the fins is adjusted through the mounting positions of the movable fins 855 in the fixing fins 854, so that the fins at the bottom of the mold cores at the large ends of the blades are wide, the fins at the small ends of the heat exchange pipes are narrow, the heat exchange pipes are obliquely mounted by combining with the 84, so that a triangular structure is formed, the cooling device is matched with the blades of different sizes, and the heat exchange speed of the large ends of the blades is high, the small end has low heat exchange speed, the purpose of uniformly cooling the whole blade is realized, the situation that the large end is rapidly cooled and formed and the large end is still liquid injection molding material is avoided, the purpose of uniform and rapid cooling is achieved, the blade is prevented from generating concentrated stress, the service life of the blade is prolonged, hot water flowing out of the water outlet pipe 6 falls into the water tank 71, the driving shaft 74 synchronously rotates at the moment, the driven shaft 75 is driven to synchronously rotate through the gear 77, the driven shaft 75 drives the water wheel 78 to rotate, the water wheel 78 turns over water in the water storage cavity, meanwhile, the fan blades 76 rotate, the water in the water storage cavity is rapidly cooled, water in each water storage cavity is separated through the arrangement of the heat insulation plate 72, the temperature of the water at the position of the water inlet pipe 5 is ensured to be lowest, the hot water flowing out of the water outlet pipe 6 is prevented from being directly pumped by the water inlet pipe 5, the cooling efficiency is improved, when the hot water is cooled in the water tank 71, the fan blades 76 blow and accelerate the water cooling, the water evaporates the hinge block, the arrangement of the circulation groove 73 enables the water in each water storage cavity to flow through, and the water replenishing holes 12 are parallel and level, the water replenishing holes 12 are connected with an external water source pipe, when the liquid level is lowered integrally, the floating ball 17 drives the slide bar 16 to descend, at the moment, the slide bar 16 is not contacted with the bottom of the slide groove 15, the sealing plate 13 is still adsorbed by the magnet block 14, the water replenishing holes 12 are sealed, when the liquid level is lowered continuously, the slide bar 16 slides to the bottom of the slide groove 15, the sealing plate 13 is pulled down by the weight of the floating ball 17 and the slide bar 16, so that the sealing plate 13 is separated from the magnet block 14, the sealing plate 13 slides downwards, the water replenishing holes 12 are exposed, the water replenishing is started, the liquid level is gradually raised, the floating ball 17 is raised, when the slide bar 16 is contacted with the top of the slide groove 15, the sealing plate 13 is pushed upwards, the sealing plate 13 is gradually blocked, the water replenishing is stopped, and the sealing plate 13 is adsorbed again by the magnet block 14, the purpose of automatic water replenishing is achieved, and the liquid level is lower than the heights of the vent holes 79 and the driving shaft 74, the water is prevented from oozing out of the water tank 71.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.