Precise die-casting forming device for aluminum alloy

Abstract

The invention discloses an aluminum alloy precision die-casting forming device, and relates to the technical field of aluminum alloy physical structure conversion, the aluminum alloy precision die-casting forming device comprises a load-bearing bottom bracket, three square bases and a group of metal sliding rods, the three square bases are all arranged above the load-bearing bottom bracket, two of the square bases are fixed with the load-bearing bottom bracket, and the metal sliding rods are arranged on the load-bearing bottom bracket. One group of metal sliding rods are fixed between the two square bases, one square base is movably connected with one group of metal sliding rods, one square base comprises a discharging stopping mechanism, and the discharging stopping mechanism comprises a special-shaped seat and a first inner pipeline. Each section of pipeline can be cut off independently, the problem that overflow still occurs when discharging is stopped is avoided, meanwhile, mechanical assistance is utilized, reverse kinetic energy is obtained, discharging of remaining raw materials in the rear section of pipeline is completed to the maximum extent, and solidification caused by too large temperature loss of the raw materials in the rear section of pipeline due to untimely cleaning is avoided.

Description

Technical Field

[0001] The present invention relates to the technical field of aluminum alloy physical structure conversion, and specifically to a device for precision die-casting of aluminum alloy. Background Art

[0002] Aluminum alloy is an alloy material composed of aluminum and other metal or non-metal elements (such as copper, magnesium, manganese, silicon, zinc, etc.). Due to its excellent physical and mechanical properties, aluminum alloy has been widely used in many fields such as aerospace, automotive manufacturing, construction, and electronic equipment.

[0003] Aluminum alloy die-casting is to quickly inject molten aluminum alloy into a precision mold cavity under high pressure, and then cool and solidify it into parts of the required shape. The advantages of using this method for forming are specifically high production efficiency, high precision, good dimensional stability, and the ability to manufacture complex shapes, etc.

[0004] However, the existing devices for precision die-casting of aluminum alloy have the following deficiencies: (1) From the principle of die-casting, it can be obtained that molten aluminum alloy uses high pressure to inject raw materials into a specified mold at high speed. Therefore, the device first needs to construct a high-pressure pushing environment and use a varying number of pipelines to complete the raw material transportation. However, due to the limitations of its own structure, the traditional device cannot complete raw material blocking in segments after injection, and at the same time does not have the effect of raw material reverse pushing, resulting in too high a retention amount of raw materials inside the pipe body. If not cleaned in time, the surface raw materials are very likely to solidify and adhere to the inner wall of the pipe. Over time, it is extremely easy to cause channel blockage; (2) Because the air in the mold cannot be fully discharged, when injecting materials, as the volume increases, the internal space of the mold is continuously compressed, resulting in hot gas combining with the trapped air, causing the internal pressure of the mold to continue to increase. However, the traditional device cannot effectively solve the problem of internal pressure increase in the mold. If a large amount of gas enters the material, it will cause a large number of pores to appear inside the subsequent workpiece, weakening the original structural strength.

[0005] Therefore, we propose a device for precision die-casting of aluminum alloy to facilitate solving the problems raised above. Summary of the Invention

[0006] The object of the present invention is to provide a device for precision die-casting of aluminum alloy. By setting a feeding blocking mechanism, after the raw material stops high-pressure transportation, the perforated conical cover that loses the external force impact will quickly reset under the reaction force of the movable spring. During this process, it will push the raw material inside the second inner pipe to flow reversely. The generated external reaction force can push part of the raw material along the path constructed by the first inner pipe, the second inner pipe and the compression fitting, and flow back to the rear container. After the perforated conical cover is completely reset, the holes provided thereon can fully fit onto the outer wall of the flow blocking rod to realize the closure of the inner channel of the second inner pipe. At the same time, the first inner pipe can complete the channel closure under the regulation of the valve ball. Therefore, the retention amount of the raw material in the pipe far from the container can be maximally reduced to solve the problems raised in the above background technology.

[0007] To achieve the above object, the present invention provides the following technical solution: A device for precision die-casting of aluminum alloy includes a load-bearing bottom bracket, three square bases and a group of metal sliding rods. The three square bases are all placed above the load-bearing bottom bracket, and two of the square bases are fixed to the load-bearing bottom bracket. A group of metal sliding rods are all fixed between the two square bases. One square base is movably connected to the group of metal sliding rods. One of the square bases includes a feeding blocking mechanism. The feeding blocking mechanism includes a special-shaped seat and a first inner pipe. A valve ball is provided in the first inner pipe, and the valve ball is used for regulating the inner channel of the first inner pipe. A cavity joint is assembled inside the special-shaped seat. An annular sleeve, a second inner pipe and a flow blocking rod are respectively provided inside the cavity joint. The annular sleeve is connected to the inner wall of the cavity joint. The second inner pipe is connected to the inner wall of the annular sleeve. A group of movable springs are connected to the front end of the annular sleeve. An opening conical cover is provided at the front end of the second inner pipe. The opening conical cover is connected to one end of the group of movable springs. When high-speed raw material enters the second inner pipe, the generated external force impact will push the opening conical cover to move forward a certain distance, and the length is determined by the stretching range of the group of movable springs. When the opening conical cover loses external support, the reverse reaction force generated by the group of movable springs will cause the opening conical cover to reset, completing the reverse push of the raw material remaining inside the second inner pipe. When the holes in the opening conical cover fully fit onto the outer wall of the flow blocking rod, the closure of the inner channel of the second inner pipe is realized, preventing further release of the raw material.

[0008] Preferably, the feeding blocking mechanism further includes a group of sliding sleeves. The group of sliding sleeves are all connected to the outer surface of the corresponding square base. A cooperation frame is slidably connected inside each sliding sleeve. The group of cooperation frames are all connected to the special-shaped seat. The end of the second inner pipe is communicated with a docking head. The outer wall of the docking head is connected to the outer surface of a square base. A first electric control component is installed inside one square base. The shaft end of the first electric control component is connected to the valve ball.

[0009] Preferably, a hollowed-out frame is installed on the inner wall of the second inner pipe. One end of the flow-blocking rod is inserted into the center of the hollowed-out frame. An associated sleeve is sleeved on the outer wall of the opening conical cover. A plurality of locking members are equidistantly installed on the outer wall of the special-shaped seat. A positioning rod is inserted into each locking member. A first electric push telescopic member is additionally installed on the surface of one square base. The shaft end of the first electric push telescopic member is connected to the special-shaped seat. An elastic plug is provided at the bottom of the special-shaped seat.

[0010] Preferably, one square base includes a mold structure. The mold structure includes a set of T-shaped chutes. An adapted slide bar is slidably inserted into the interior of each T-shaped chute. An external seat is installed between the outer surfaces of the set of adapted slide bars. A mold body is assembled on the surface of the external seat. A set of combined holes is opened inside the mold body.

[0011] Preferably, a feed port is preset at the center of the mold body. Pneumatic telescopic members are additionally installed on both sides of the mold body. Three inner grooves are opened on the front surface of the mold body, and a sealing outer plate and two closing sealing plates are respectively arranged inside the three inner grooves. The shaft end of each pneumatic telescopic member is respectively connected to a corresponding closing sealing plate. A stud member is additionally installed above the mold body. The bottom end of the stud member is rotatably connected to the sealing outer plate.

[0012] Preferably, the cavity joint includes a pressure relief mechanism. The pressure relief mechanism includes a confluence tank. The confluence tank is installed on the top of the cavity joint. A solid joint and a hollow shell sleeve are respectively sleeved at the front end of the cavity joint. A groove is opened inside the solid joint. A sieve hole block is embedded on the inner wall of the groove. A set of shunt pipes is communicated with the outer wall of the solid joint, and the ends of the set of shunt pipes are all communicated with the hollow shell sleeve.

[0013] Preferably, a driving unit is connected above the cavity joint. A timing module is connected to the outer surface of the driving unit. A micro refrigerating member is communicated with the outer wall of the driving unit. An external fan blade assembly is additionally installed at one end of the confluence tank. The exhaust end of the micro refrigerating member is communicated with a first square pipe. The end of the first square pipe is communicated with an expansion cover, and the expansion cover can be directly opposite to the external fan blade assembly.

[0014] Preferably, a set of return pipes is communicated with one end of the confluence tank. The exhaust ends of the set of return pipes are all connected to the intake end of the driving unit. A second square pipe is communicated with the outer wall of the hollow shell sleeve. The exhaust end of the second square pipe is connected to the confluence tank.

[0015] Preferably, a U-shaped connecting frame is installed on the outer surface of one of the square bases. The end of the U-shaped connecting frame is connected to a constant temperature box. A feeding funnel and a second electric control component are respectively fixed on the top of the constant temperature box. The starting end of the U-shaped connecting frame is connected to an electric control valve. A connecting pipeline is connected between the feeding funnel and the electric control valve. A valve component is arranged at the end of the constant temperature box, and the output end of the second electric control component is connected to the valve component.

[0016] Preferably, a blower unit is connected to the tail of the load-bearing bottom bracket, and a compression component is connected to the side of the load-bearing bottom bracket. The exhaust end of the blower unit is connected to a first air pipe. The exhaust end of the first air pipe is connected to the intake end of the compression component. The exhaust end of the compression component is connected to a group of second air pipes. The exhaust ends of the group of second air pipes are all connected to the starting end of the constant temperature box. An external air pressure monitor is connected to the outside of the constant temperature box. The feeding end of the first inner pipeline is connected to a compression pipe fitting. One end of the compression pipe fitting is fixed inside the U-shaped connecting frame and is connected to the inside of the constant temperature box. A group of second electric push telescopic components are connected to the outer surface of one of the square bases. The shaft ends of the group of second electric push telescopic components are all connected to one square base.

[0017] Compared with the prior art, the beneficial effects of the present invention are as follows: (1) By setting up a discharging blocking and stopping mechanism in the present invention, when liquid raw materials are being transported, the rapidly flowing raw materials will continuously exert an impact external force on the perforated conical cover. With the cooperation of the connected components, the perforated conical cover can move outward a certain distance, forcing the connected movable spring to stretch. At the same time, the perforated conical cover can be separated from the flow blocking rod, so that the holes in the perforated conical cover are opened and the raw materials can be released. When the subsequent component stops transporting the raw materials, the perforated conical cover without external force impact will quickly reset under the reaction force of the movable spring. During this process, it will push the raw materials inside the second inner pipeline to flow backward. The external force generated by the reverse push can send some raw materials along the path constructed by the first inner pipeline, the second inner pipeline and the compression pipe fitting and flow back to the rear container. After the perforated conical cover is completely reset, the holes provided on it can fully fit onto the outer wall of the flow blocking rod, realizing the closure of the inner channel of the second inner pipeline. At the same time, the first inner pipeline can complete the channel closure under the regulation of the valve ball. Therefore, the retention amount of raw materials in the pipeline far from the container can be maximally reduced. This method reasonably improves the structural layout in each transportation pipeline, so that each section of the pipeline can be independently cut off, avoiding the problem that overflow will still occur even when the discharging stops. At the same time, with the help of machinery, reverse kinetic energy is obtained to maximally complete the discharge of the retained raw materials in the rear section of the pipeline, avoiding the solidification of the raw materials in the rear section of the pipeline caused by excessive temperature loss due to untimely cleaning. (2) By setting a pressure relief mechanism in the present invention, the solid joint contained in the mechanism can enter the interior of the first inner pipe from the feed port following the insertion of the cavity joint, enabling the groove to be free from structural obstruction. As the volume of the raw material increases, the space inside the first inner pipe will be continuously compressed, and the air inside it will fuse with the hot air, resulting in a gradual increase in the air pressure inside the first inner pipe. During this process, the suction force generated by the driving unit will continuously act on the groove and discharge the trapped gas inside the first inner pipe, achieving pressure relief inside the first inner pipe. The duration of pressure relief during this process is set by the timing module. The purpose is to avoid the mechanism still being in a working state after the liquid raw material covers the groove, preventing the raw material from entering the mechanism components. This method can maximize the extraction of gas inside the mold, avoid a sharp increase in air pressure caused by the extrusion of the raw material in the space, prevent some gas from entering the interior of the raw material, effectively inhibit the generation of pores inside the subsequent finished product, and avoid loss of the original structural strength of the workpiece. Description of the Drawings

[0018] Figure 1 It is a three-dimensional front view structure diagram of a device for precision die-casting of aluminum alloy in the present invention.

[0019] Figure 2 It is a three-dimensional top view structure diagram of a device for precision die-casting of aluminum alloy in the present invention.

[0020] Figure 3 It is a three-dimensional structure diagram of one side of the disassembled components of a device for precision die-casting of aluminum alloy in the present invention.

[0021] Figure 4 It is a three-dimensional structure diagram of the other side of the disassembled components of a device for precision die-casting of aluminum alloy in the present invention.

[0022] Figure 5 It is an enlarged three-dimensional structure diagram of the material discharge stopping mechanism of a device for precision die-casting of aluminum alloy in the present invention.

[0023] Figure 6 It is an enlarged three-dimensional structure diagram of the connection structure of the square base of a device for precision die-casting of aluminum alloy in the present invention.

[0024] Figure 7 It is an enlarged three-dimensional structure diagram of the mold of a device for precision die-casting of aluminum alloy in the present invention.

[0025] Figure 8 It is an enlarged three-dimensional structure diagram of the connection structure of the special-shaped seat of a device for precision die-casting of aluminum alloy in the present invention.

[0026] Figure 9 It is an enlarged three-dimensional structure diagram of the pressure relief mechanism of a device for precision die-casting of aluminum alloy in the present invention.

[0027] In the figure: 1, load-bearing bottom bracket; 2, square base; 3, metal sliding rod; 4, feeding stopping mechanism; 401, sliding sleeve; 402, cooperation frame; 403, special-shaped seat; 404, first inner pipe; 405, valve ball; 406, first electric control component; 407, docking head; 408, cavity joint; 409, annular sleeve; 410, second inner pipe; 411, hollowed-out frame; 412, flow-blocking rod; 413, movable spring; 414, associated sleeve; 415, perforated conical cover; 416, locking piece; 417, positioning rod; 418, first electric push telescopic component; 419, elastic plug; 5, die structure; 501, T-shaped slideway; 502, adapted slide bar; 503, external seat; 504, die body; 505, feeding port; 506, pneumatic telescopic component; 507, closing seal plate; 508, stud component; 509, sealing outer plate; 510, merging hole; 6, pressure relief mechanism; 601, confluence tank; 602, solid joint; 603, groove; 604, sieve hole block; 605, driving unit; 606, timing module; 607, micro refrigeration component; 608, external fan component; 609, first square pipe; 610, expansion cover; 611, return pipeline; 612, hollow shell sleeve; 613, second square pipe; 7, U-shaped connecting frame; 8, constant temperature box; 9, feeding funnel; 10, electric control valve; 11, connecting pipeline; 12, second electric control component; 13, guiding fan unit; 14, compression component; 15, first air pipe; 16, second air pipe; 17, external air pressure monitor; 18, compression pipe fitting; 19, second electric push telescopic component. Detailed implementation mode

[0028] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described implementation clauses are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0029] Please refer to the attached Figure 1 - attached Figure 7As shown in the figure, the present invention provides a technical solution: a device for precision die-casting of aluminum alloy, which includes a load-bearing bottom bracket 1, three square bases 2 and a group of metal sliding rods 3. The three square bases 2 are all placed above the load-bearing bottom bracket 1, and two of the square bases 2 are fixed to the load-bearing bottom bracket 1. A group of metal sliding rods 3 are all fixed between the two square bases 2. One square base 2 is movably connected to the group of metal sliding rods 3. A U-shaped connecting frame 7 is installed on the outer surface of one square base 2. The end of the U-shaped connecting frame 7 is communicated with a constant temperature box 8. The top of the constant temperature box 8 is respectively fixed with a feeding funnel 9 and a second electric control component 12. The starting end of the U-shaped connecting frame 7 is communicated with an electric control valve 10. A connecting pipeline 11 is communicated between the feeding funnel 9 and the electric control valve 10. The end of the constant temperature box 8 is provided with a valve component, and the output end of the second electric control component 12 is connected to the valve component. The tail of the load-bearing bottom bracket 1 is connected with a blower group 13. The side of the load-bearing bottom bracket 1 is connected with a compression component 14. The exhaust end of the blower group 13 is communicated with a first air pipe 15. The exhaust end of the first air pipe 15 is communicated with the intake end of the compression component 14. The exhaust end of the compression component 14 is communicated with a group of second air pipes 16. The exhaust ends of the group of second air pipes 16 are all communicated to the starting end of the constant temperature box 8. An external air pressure monitor 17 is connected to the outside of the constant temperature box 8. The feeding end of the first inner pipeline 404 is communicated with a compression pipe fitting 18. One end of the compression pipe fitting 18 is fixed inside the U-shaped connecting frame 7 and is communicated with the inside of the constant temperature box 8. A group of second electric push telescopic components 19 are connected to the outer surface of one square base 2. The shaft ends of the group of second electric push telescopic components 19 are all connected to one square base 2.

[0030] Example 1, according to Figure 2 、 Figures 5 - 6 and Figures 8 - 9As shown, a square base 2 includes a feeding stopping mechanism 4. The feeding stopping mechanism 4 includes a special-shaped seat 403 and a first inner pipe 404. A valve ball 405 is arranged in the first inner pipe 404, and the valve ball 405 is used for regulating the passage in the first inner pipe 404. A cavity joint 408 is assembled inside the special-shaped seat 403. An annular sleeve 409, a second inner pipe 410 and a flow blocking rod 412 are respectively arranged inside the cavity joint 408. The annular sleeve 409 is connected to the inner wall of the cavity joint 408, the second inner pipe 410 is connected to the inner wall of the annular sleeve 409, a group of movable springs 413 are connected to the front end of the annular sleeve 409, an opening conical cover 415 is arranged at the front end of the second inner pipe 410, and the opening conical cover 415 is connected to one end of a group of movable springs 413. When high-speed raw materials enter the second inner pipe 410, the external force generated will push the opening conical cover 415 to move forward a certain distance, and the length is determined by the stretching range of a group of movable springs 413. When the opening conical cover 415 loses the support of the external force, the reverse force generated by a group of movable springs 413 will cause the opening conical cover 415 to reset, completing the reverse pushing of the raw materials retained inside the second inner pipe 410. When the holes in the opening conical cover 415 fully cover the outer wall of the flow blocking rod 412, the passage inside the second inner pipe 410 is closed, preventing the further release of raw materials. The end of the second inner pipe 410 is communicated with a docking head 407, the outer wall of the docking head 407 is connected to the outer surface of a square base 2, a first electric control component 406 is installed inside a square base 2, the shaft end of the first electric control component 406 is connected to the valve ball 405, a hollowed-out frame 411 is installed on the inner wall of the second inner pipe 410, one end of the flow blocking rod 412 is inserted into the center of the hollowed-out frame 411, an associated sleeve 414 is sleeved on the outer wall of the opening conical cover 415, the feeding end of the first inner pipe 404 is communicated with a compression pipe fitting 18, and one end of the compression pipe fitting 18 is fixed inside a U-shaped connecting frame 7 and is communicated with the inside of a constant temperature box 8.

[0031] The effects achieved by the entire Embodiment 1 are as follows: By presetting the above components, the device includes a total of three pipe fittings, namely the first inner pipe 404, the second inner pipe 410, and the compression pipe fitting 18. Among them, the compression pipe fitting 18 is closest to the connected container, and thus the temperature of the liquid raw material therein is the highest. The first inner pipe 404 and the second inner pipe 410 are weakened in turn. When the liquid raw material is conveyed, the rapidly flowing raw material will continuously exert an impact external force on the opening conical cover 415. By utilizing the cooperation of the connected components, the opening conical cover 415 can move outward a certain distance, forcing the connected movable spring 413 to stretch. At the same time, the opening conical cover 415 can be disengaged from the flow blocking rod 412, so that the holes in the opening conical cover 415 are opened and the raw material can be released. When the subsequent component stops the raw material conveyance, the opening conical cover 415 without external force impact will quickly reset under the reaction force of the movable spring 413. During this process, it will push the raw material inside the second inner pipe 410 to flow reversely. The generated external force reaction can push some of the raw material along the passage constructed by the first inner pipe 404, the second inner pipe 410, and the compression pipe fitting 18 and flow back to the rear container. After the opening conical cover 415 is completely reset, the holes provided therein can fully fit onto the outer wall of the flow blocking rod 412 to achieve the closure of the inner channel of the second inner pipe 410. At the same time, the first inner pipe 404 can complete the channel closure under the regulation of the valve ball 405. Therefore, the retention amount of the raw material in the pipe far from the container can be maximally reduced. This method reasonably improves the structural layout in each conveying pipe, enables each section of the pipe to be independently cut off, avoids the problem of overflow still occurring when the feeding stops, and at the same time utilizes mechanical assistance to obtain reverse kinetic energy to maximally complete the discharge of the retained raw material in the rear section of the pipe, avoiding the solidification of the raw material in the rear section of the pipe due to excessive temperature loss caused by untimely cleaning.

[0032] Embodiment 2, according to Figure 5 and Figures 7 - 8As shown, the feeding blocking and stopping mechanism 4 further includes a set of sliding sleeves 401. The set of sliding sleeves 401 are all connected to the outer surface of a corresponding square base 2. A cooperation frame 402 is slidably connected inside each sliding sleeve 401. The set of cooperation frames 402 are all connected to a special-shaped seat 403. A plurality of locking members 416 are equidistantly installed on the outer wall of the special-shaped seat 403. A positioning rod 417 is inserted into each locking member 416. A first electric push telescopic member 418 is additionally installed on the surface of a square base 2. The shaft end of the first electric push telescopic member 418 is connected to the special-shaped seat 403. An elastic plug 419 is provided at the bottom of the special-shaped seat 403. A square base 2 includes a die structure 5. The die structure 5 includes a set of T-shaped slideways 501. An adaptation slide bar 502 is slidably inserted into each T-shaped slideway 501. An external seat 503 is installed between the outer surfaces of the set of adaptation slide bars 502. A die body 504 is assembled on the surface of the external seat 503. A set of combined holes 510 are opened inside the die body 504. A feeding port 505 is preset at the center of the die body 504. Pneumatic telescopic members 506 are additionally installed on both sides of the die body 504. Three inner grooves are opened on the front surface of the die body 504, and a sealing outer plate 509 and two closing sealing plates 507 are respectively arranged in the three inner grooves. The shaft end of each pneumatic telescopic member 506 is respectively connected to a corresponding closing sealing plate 507. A stud member 508 is additionally installed above the die body 504. The bottom end of the stud member 508 is rotatably connected to the sealing outer plate 509.

[0033] The effect achieved by the entire embodiment 2 is as follows: By presetting the above components, since the provided sliding sleeves 401 and cooperation frames 402 are movably connected, the connected components are thus provided with the condition of longitudinal movement. After the injection is completed, the relevant components are used to complete the separation from the die body 504. The first electric push telescopic member 418 quickly raises the height of the components connected to the special-shaped seat 403, raises the elastic plug 419 to the feeding port 505, completes a short-term blockage, maximally reduces the outflow of the un-solidified raw material, provides necessary time for the subsequent structural blockage, and ensures the integrity of the later formed workpiece.

[0034] Embodiment 3, according to Figure 5 and Figure 9As shown, the cavity joint 408 includes a pressure relief mechanism 6. The pressure relief mechanism 6 includes a manifold tank 601 which is installed at the top of the cavity joint 408. A solid joint 602 and a hollow shell sleeve 612 are respectively sleeved at the front end of the cavity joint 408. A groove 603 is formed inside the solid joint 602. A sieve hole block 604 is embedded on the inner surface wall of the groove 603. A group of shunt pipes are communicated with the outer wall of the solid joint 602, and the ends of the group of shunt pipes are all communicated with the hollow shell sleeve 612. An engine group 605 is connected above the cavity joint 408. A timing module 606 is connected to the outer surface of the engine group 605. A micro refrigeration component 607 is communicated with the outer wall of the engine group 605. An external fan blade assembly 608 is additionally installed at one end of the manifold tank 601. The exhaust end of the micro refrigeration component 607 is communicated with a first square pipe 609. The end of the first square pipe 609 is communicated with an expansion cover 610 which can face the external fan blade assembly 608. A group of return pipes 611 are communicated with one end of the manifold tank 601, and the exhaust ends of the group of return pipes 611 are all connected to the intake end of the engine group 605. A second square pipe 613 is communicated with the outer wall of the hollow shell sleeve 612, and the exhaust end of the second square pipe 613 is connected to the manifold tank 601.

[0035] The effect achieved by the entire Embodiment 3 is as follows: By presetting the above components, when the raw material is injected, the solid joint 602 contained in the mechanism can follow the insertion of the cavity joint 408 and enter the inside of the first inner pipe 404 from the feed port 505, so that the groove 603 is not blocked by the structure. As the volume of the raw material increases, the space inside the first inner pipe 404 will be continuously compressed, and the air inside it will fuse with the hot air, resulting in a gradual increase in the air pressure inside the first inner pipe 404. During this process, the suction force generated by the engine group 605 will continuously act on the groove 603 and discharge the trapped gas inside the first inner pipe 404, realizing the pressure relief inside the first inner pipe 404. The pressure relief duration during this process is set by the timing module 606. The purpose is to avoid the mechanism still being in the working state after the liquid raw material covers the groove 603, preventing the raw material from entering the mechanism components. This method can maximize the extraction of the gas inside the mold, avoid the sudden increase in air pressure caused by the space extrusion of the raw material, prevent some gas from entering the raw material interior, effectively inhibit the generation of air holes inside the subsequent finished product, and avoid damaging the original structural strength of the workpiece.

[0036] The working principle of the entire device is as follows: In the preparation stage, first move the device to the designated working area, and make the bottom of the square base 2 fully contact the ground. Then connect the external wire to the device power supply to provide energy for multiple electrical components inside. According to the set T-shaped slideway 501, slide the adapter slide bar 502 connected to the mold body 504 into it, adjust the position of the mold body 504, and lock it on a square base 2. Then turn on a group of second electric push telescopic parts 19 to extend their inner shafts outward. Utilizing the movable connection between a square base 2 and the metal slide bar 3, under the external force of the second electric push telescopic part 19, the mold body 504 can be slowly driven to move towards the external seat 503 until each positioning rod 417 is respectively shallowly inserted into a corresponding merging hole 510. At this time, the front end of the cavity joint 408 is accurately inserted into the internal part of the feed inlet 505, and the solid joint 602 connected thereto completely enters the internal part of the mold body 504. Turn on the first electric control part 406 to drive the valve ball 405 to open the internal channel of the first internal pipe 404; In the injection stage, the molten aluminum alloy raw material is continuously poured into the internal part of the feed hopper 9. Turn on the electric control valve 10, and the raw material is further transferred to the internal part of the thermostat 8 through the connecting pipe 11. At the same time, turn on the air blower group 13. The extracted air is transported to the compression component 14 through the first air pipe 15. After continuous pressurization, it is then introduced from the starting end of the thermostat 8 through the second air pipe 16 to gradually increase the internal air pressure of the thermostat 8. The real-time air pressure value is monitored by the external air pressure monitor 17. After meeting the conditions, the signal can be quickly fed back to the second electric control part 12 to complete the regulation of the valve part at the end of the thermostat 8 and complete the opening of the channel. Utilizing the basic physical characteristic that high pressure flows to low pressure, some liquid raw materials inside the thermostat 8 will be extruded at high speed, and then further compressed through the compression pipe fitting 18 and continuously transferred to the internal part of the mold body 504 through the subsequent first internal pipe 404 and second internal pipe 410. During the process, when the high-speed raw material continuously impacts the inner wall of the opening conical cover 415, a positive thrust will be provided to it. Utilizing the movable connection between the connecting sleeve 414 and the second internal pipe 410, when the connecting sleeve 414 moves outward, it will pull the connected movable spring 413, making it in a stretched state; During the pressure relief stage, when the liquid raw material starts to be injected, the driving unit 605 is immediately started to continuously extract the air remaining in the reflux pipeline 611, the confluence tank 601, the second square pipe 613, the hollow shell sleeve 612 and the groove 603, so as to generate an adsorption effect above the groove 603. The air and raw material hot gas remaining in the mold body 504 will be extracted, and will be first injected into the interior of the confluence tank 601 through the second square pipe 613. The high-speed gas extracted by the driving unit 605 needs to pass through the micro refrigeration component 607 to complete cooling. The low-temperature gas is further discharged through the first square pipe 609, and under the diffusion of the cavity of the expansion cover 610, it is blown at high speed to the external fan blade assembly 608 to make it rotate. The purpose is to further accelerate the cold air flow and expand the coverage range to complete the cooling of the confluence tank 601 body and prevent high-temperature gas from directly entering the driving unit 605. The working duration of the driving unit 605 is set by the timing module 606. After the time arrives, the driving unit 605 is quickly shut down to stop gas extraction; During the detachment and stop stage, the air blower unit 13 and the compression assembly 14 are closed, and the internal pressurization of the constant temperature box 8 is stopped. The raw material gradually loses the external force push, and the flow rates of the raw materials remaining in the first internal pipeline 404, the second internal pipeline 410 and the compression pipe fitting 18 are all reduced until they stop. At this time, the perforated conical cover 415 that has lost the external force push can gradually reset under the reverse acting force of the movable spring 413 and push the raw material remaining in the second internal pipeline 410 to flow backward. At the same time, the raw materials in the first internal pipeline 404 and the compression pipe fitting 18 will also flow back into the constant temperature box 8 under the extrusion of the subsequent raw materials. When the perforated conical cover 415 is completely reset, the holes it contains are sleeved on the outer wall of the flow blocking rod 412 again to complete the closing of the internal channel of the second internal pipeline 410. Therefore, the raw material remaining in the second internal pipeline 410 is minimized. Then, the first electric control component 406 can regulate the valve ball 405 again to complete the closing of the internal channel of the first internal pipeline 404, used to cut off the connection with the first internal pipeline 404. The second electric push telescopic member 19 is started to retract its inner shaft, quickly driving the mold body 504 on a square base 2 to reset, so that the positioning rod 417 and the cavity joint 408 are separated from the feed port 505 and the combined hole 510 respectively, and the first electric push telescopic member 418 is started. Using the movable connection of the sliding sleeve 401 and the cooperation frame 402, the height of the special-shaped seat 403 is quickly increased, so that the connected elastic plug 419 covers the front end of the feed port 505 for channel blockage.

[0037] Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A device for precision die-casting of aluminum alloys, comprising a load-bearing bottom bracket (1), three square bases (2) and a set of metal slide bars (3), characterized in that: The three square bases (2) are all placed above the load-bearing bottom bracket (1), and two of the square bases (2) are fixed to the load-bearing bottom bracket (1), a group of metal slide bars (3) are fixed between the two square bases (2), and one of the square bases (2) is movably connected to the group of metal slide bars (3); The square base (2) comprises a material discharge stopping mechanism (4), the material discharge stopping mechanism (4) comprising a special-shaped seat (403) and a first inner pipe (404), a valve ball (405) being arranged in the first inner pipe (404), the valve ball (405) being used for regulating the inner channel of the first inner pipe (404), a cavity joint (408) being arranged inside the special-shaped seat (403), an annular sleeve (409), a second inner pipe (410) and a flow blocking rod (412) being arranged inside the cavity joint (408), the annular sleeve (409) being connected to the inner wall of the cavity joint (408), the second inner pipe (410) being connected to the inner wall of the annular sleeve (409), a group of movable springs (413) being connected to the front end of the annular sleeve (409), the second inner pipe (410) A perforated conical cover (415) is provided at the front end thereof, and the perforated conical cover (415) is connected to one end of a group of movable springs (413). When high-speed raw materials enter the second inner pipe (410), the external force impact generated will push the perforated conical cover (415) forward for a distance, the length of which is determined by the stretching range of the group of movable springs (413). When the perforated conical cover (415) loses external force support, the reverse force generated by the group of movable springs (413) will cause the perforated conical cover (415) to reset, thereby completing the reverse push of the retained raw materials inside the second inner pipe (410). When the hole contained in the perforated conical cover (415) is fully inserted into the surface wall of the blocking rod (412), the channel inside the second inner pipe (410) is closed, thereby preventing the raw materials from being further released.

2. The device for precision die-casting of aluminum alloy according to claim 1, characterized in that: The material discharge stopping mechanism (4) further comprises a group of sliding sleeves (401), each of the group of sliding sleeves (401) being connected to the outer surface of a corresponding square base (2), each of the sliding sleeves (401) being slidably connected to a cooperation frame (402) inside, each of the group of cooperation frames (402) being connected to a special-shaped seat (403), the end of the second inner pipe (410) being connected to a docking joint (407), the outer wall of the docking joint (407) being connected to the outer surface of a square base (2), a first electric control unit (406) being installed inside one of the square bases (2), the shaft end of the first electric control unit (406) being connected to a valve ball (405).

3. The device for precision die-casting of aluminum alloy according to claim 1, characterized in that: The inner surface wall of the second inner pipe (410) is installed with a hollow frame (411), one end of the flow-blocking rod (412) is inserted in the center of the hollow frame (411), the outer wall of the perforated conical cover (415) is provided with a related sleeve (414), the outer wall of the special-shaped seat (403) is equidistantly installed with a plurality of locking members (416), each of the locking members (416) is inserted with a positioning rod (417), a first electric push telescopic member (418) is installed on the surface of one of the square bases (2), the shaft end of the first electric push telescopic member (418) is connected to the special-shaped seat (403), and the bottom of the special-shaped seat (403) is provided with an elastic plug (419).

4. The device for precision die-casting of aluminum alloy according to claim 1, characterized in that: A square base (2) comprises a mold structure (5), wherein the mold structure (5) comprises a group of T-shaped slideways (501), wherein an adapting slide bar (502) is slidably inserted into the interior of each of the T-shaped slideways (501), an external seat (503) is installed between the outer surfaces of a group of the adapting slide bars (502), and a mold body (504) is assembled on the surface of the external seat (503).

5. The device for precision die-casting of aluminum alloy according to claim 4, characterized in that: A feed port (505) is preset at the center of the mold body (504), and pneumatic telescopic parts (506) are installed on both sides of the mold body (504). Three inner grooves are opened on the front of the mold body (504), and the three inner grooves are respectively provided with a blocking outer plate (509) and two closed sealing plates (507). The axial end of each pneumatic telescopic part (506) is connected to a corresponding closed sealing plate (507). A stud part (508) is installed on the top of the mold body (504), and the bottom end of the stud part (508) is rotatably connected to the blocking outer plate (509). A group of merged holes (510) are opened inside the mold body (504).

6. The device for precision die-casting of aluminum alloy according to claim 1, characterized in that: The cavity joint (408) comprises a pressure relief mechanism (6), the pressure relief mechanism (6) comprising a confluence tank (601), the confluence tank (601) being mounted on the top of the cavity joint (408), the front end of the cavity joint (408) being respectively sleeved with a solid joint (602) and a hollow shell (612), the interior of the solid joint (602) being provided with a groove (603), the inner surface wall of the groove (603) being embedded with a sieve block (604), the outer wall of the solid joint (602) being connected to a group of manifolds, and the ends of the group of manifolds are both connected to the hollow shell (612).

7. The device for precision die-casting of aluminum alloy according to claim 6, characterized in that: An ignition unit (605) is connected to the top of the cavity joint (408), a timing module (606) is connected to the outer surface of the ignition unit (605), an outer wall of the ignition unit (605) is connected to a micro-refrigeration unit (607), an external fan blade assembly (608) is installed at one end of the confluence tank (601), an exhaust end of the micro-refrigeration unit (607) is connected to a first square tube (609), and an end of the first square tube (609) is connected to an expansion cover (610), and the expansion cover (610) can be directly opposite to the external fan blade assembly (608).

8. The device for precision die-casting of aluminum alloy according to claim 7, characterized in that: One end of the confluence tank (601) is connected to a group of return pipes (611), and exhaust ends of the group of return pipes (611) are all connected to the air intake end of the engine unit (605). The outer wall of the hollow shell (612) is connected to a second square tube (613), and the exhaust end of the second square tube (613) is connected to the confluence tank (601).

9. The device for precision die-casting of aluminum alloy according to claim 1, characterized in that: A U-shaped connecting frame (7) is installed on the outer surface of the square base (2); the end of the U-shaped connecting frame (7) is connected to a thermostatic box (8); a feed hopper (9) and a second electric control unit (12) are respectively fixed to the top of the thermostatic box (8); the starting end of the U-shaped connecting frame (7) is connected to an electric control valve (10); a connecting pipe (11) is connected between the feed hopper (9) and the electric control valve (10); a valve component is provided at the end of the thermostatic box (8), and the output end of the second electric control unit (12) is connected to the valve component.

10. The device for precision die-casting of aluminum alloy according to claim 9, characterized in that: The tail of the load-bearing bottom bracket (1) is connected to an air guide unit (13), the side of the load-bearing bottom bracket (1) is connected to a compression assembly (14), the exhaust end of the air guide unit (13) is connected to a first air pipe (15), the exhaust end of the first air pipe (15) is connected to the air inlet end of the compression assembly (14), the exhaust end of the compression assembly (14) is connected to a group of second air pipes (16), and the exhaust ends of the group of second air pipes (16) are all connected to the exhaust port of the thermostatic box (8). At the starting end, the outside of the thermostatic box (8) is connected to an external air pressure monitor (17), the feed end of the first inner pipe (404) is connected to a compression pipe (18), one end of the compression pipe (18) is fixed inside the U-shaped connecting frame (7) and is connected to the inside of the thermostatic box (8), and the outer surface of a square base (2) is connected to a group of second electric push telescopic parts (19), and the axial ends of the group of second electric push telescopic parts (19) are all connected to a square base (2).

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