Aluminum alloy die casting waste aluminum remelting recovery system

Abstract

The application discloses an aluminum alloy die-casting waste aluminum remelting recovery system, which comprises a smelting furnace, the inside of the smelting furnace is provided with a crucible, the upper end of the crucible is provided with a furnace cover, the left and right sides of the smelting furnace are provided with water cooling mechanisms, and the rear side of the smelting furnace is provided with a lifting mechanism, the inside walls of the upper sections of the smelting furnace are provided with limiting clamping grooves on the two sides, and the outer walls of the upper sections of the crucible are provided with limiting clamping blocks on the two sides. The aluminum alloy die-casting waste aluminum remelting recovery system is provided with a connecting assembly, a fastening nut plays a fastening role, the free rotation of the connecting rod on the inner wall of the bottom column is effectively avoided, a rotary connecting piece is used for the azimuth rotation adjustment of the crucible, the placement of the crucible is facilitated, the connecting assembly has a simple structure, the lifting mechanism is used in combination, the use effect of the device is further improved, the water cooling mechanism has high practicality, the processing efficiency of the system is further improved, and better use prospect is brought.

Description

Technical Field

[0001] The present invention relates to the field of aluminum alloy processing equipment, in particular to an aluminum alloy die-casting waste aluminum remelting and recovery system. Background Art

[0002] Since aluminum alloy parts may be in a humid working environment or assembled with parts made of other different materials, in order to improve and ensure the wear resistance, corrosion resistance and appearance of the parts, aluminum alloy parts must be surface treated. The pretreatment will affect the subsequent spraying. During the manufacturing process, the parts may be contaminated by some pollutants such as grease, oxides, lubricants and foreign matter. These residual impurities must be removed.

[0003] In the prior art, a Chinese patent document with application publication number CN201620936481.1 describes an aluminum refining furnace capable of collecting flue gas. However, the disadvantage of the aluminum refining furnace is that the heat dissipation effect of the existing aluminum refining furnace is not ideal during use. If the crucible in the furnace is not promptly cooled, the efficiency of subsequent processing of the aluminum alloy is affected. To solve this problem, we propose a system for remelting and recycling aluminum die-casting waste aluminum. Summary of the Invention

[0004] (1) Technical problems solved

[0005] In view of the shortcomings of the existing technology, the present invention provides an aluminum alloy die-casting waste aluminum remelting and recovery system, which has the advantages of fast lifting and lowering, rapid cooling, etc., and can effectively solve the problems in the background technology.

[0006] (2) Technical solution

[0007] To achieve the above-mentioned purpose, the technical solution adopted by the present invention is: an aluminum alloy die-casting waste aluminum remelting and recovery system, including a furnace, a crucible is arranged inside the furnace, and a furnace cover is arranged on the upper end of the crucible, water cooling mechanisms are placed on the left and right sides of the furnace, and a lifting mechanism is placed on the rear side of the furnace, limiting slots are provided on both sides of the inner wall of the upper section of the furnace, and limiting blocks are provided on both sides of the outer wall of the upper section of the crucible, and the structure of the inner wall of the upper section of the furnace is consistent with that of the furnace cover.

[0008] Preferably, the water cooling mechanism includes a water cooling cover, a connecting block and an oil cylinder. The water cooling cover is semi-circular in shape when viewed from above, and the structure of the water cooling cover matches that of the crucible. The connecting block is welded to the center of the outer wall of the water cooling cover, and the connecting block is fixedly connected to the output end of the oil cylinder. The structure of the water cooling cover matches that of the crucible to ensure its stable thermal conductivity and achieve rapid cooling.

[0009] Preferably, the crucible is placed inside the furnace, and the furnace is based on two sets of limit blocks, the limit slots and the structure of the crucible are matched, the upper end of the crucible is detachably connected to the output end of the lifting mechanism, and the output end of the lifting mechanism is opposite to the crucible, and the furnace cover is detachably connected to the upper inner wall of the furnace.

[0010] Preferably, the lifting mechanism includes a fixed frame, an installation base, a transmission motor, a cable-taking wheel, a cable, a connecting assembly, and a fixed cross frame. The transmission motor is a three-phase motor, and the rotation speed is lower than the rotation speed of the rotating magnetic field. The rotor winding generates electromotive force and current due to the relative movement between the rotor winding and the magnetic field, and interacts with the magnetic field to generate electromagnetic torque, realizing energy conversion. Adjusting the resistance of the rheostat can improve the starting performance of the motor and adjust the speed of the motor.

[0011] Preferably, the fixed frame has an "L"-shaped structure when viewed from the side, fixing screws are provided between the mounting base and the fixed frame, and the lower end of the mounting base is fixedly connected to the upper outer surface of the front section of the horizontal section of the fixed frame by fixing screws, the upper end of the mounting base is matched with the structure of the transmission motor body, and the transmission motor is detachably connected to the upper end of the mounting base.

[0012] Preferably, the cable-taking wheel is sleeved on the outer wall of the output end of the transmission motor and fixedly connected thereto, the upper end of the cable is fixedly connected to the cable-taking wheel, and the lower end of the cable is fixedly connected to the upper end of the connecting assembly, the cable-taking wheel is opposite to the crucible, the lower end of the connecting assembly is welded to the center of the outer surface of the upper end of the fixed cross frame, the fixed cross frame fits the structure of the inner wall of the upper section of the crucible, and both ends of the fixed cross frame are welded to the inner wall of the upper section of the crucible.

[0013] Preferably, the connecting assembly includes a fastening nut, a fixing ear, a connecting rod, a limiting ring, a first external thread, an internal thread, a second external thread, a base column and a rotating connector. The connecting assembly has a simple structure and is used in combination with a lifting mechanism to further improve the use effect of the device.

[0014] Preferably, the lower ends of both ends of the fixing parts of the rotating connector are welded to the outer surface of the upper end of the fixed cross frame, and the center of the outer surface of the upper end of the rotating part of the rotating connector is welded to the lower end of the base column, the second external thread is opened by the upper outer wall of the base column, and the base column is threadedly connected to the inner wall of the fastening nut through the second external thread, the internal thread is opened on the inner wall of the base column, the first external thread is opened by the lower outer wall of the connecting rod, and the connecting rod is threadedly connected to the inner wall of the base column based on the internal thread through the first external thread.

[0015] Preferably, the limiting ring is opened on the outer wall of the middle section of the connecting rod, the outer diameter of the limiting ring is larger than the outer diameter of the connecting rod, and the outer diameter of the limiting ring is slightly smaller than the inner diameter of the fastening nut, the fastening nut is sleeved on the outer wall of the connecting rod and slidably connected thereto, the lower end of the fixing ear is engaged with the upper end of the connecting rod and is rotatably connected thereto, the lower end of the cable is wrapped around the upper end of the fixing ear and fixed thereto, the fastening nut plays a fastening role, and effectively prevents the connecting rod from rotating freely on the inner wall of the base column.

[0016] Preferably, the water cooling mechanism also includes a support rod, a water pipe, a water outlet, a water inlet and a water pump, and the water cooling cover, connecting block, oil cylinder, support rod, water pipe, water outlet, water inlet and water pump are arranged in two groups symmetrically on the left and right sides of the furnace. The practicality of the water cooling mechanism is high, which further improves the processing efficiency of the system.

[0017] Preferably, one side outer surface of the oil cylinder body is fixedly connected to the upper end outer surface of the support rod, the water outlet is opened in the upper section of the rear side of the water cooling cover outer wall, and the water inlet is opened in the lower section of the rear side of the water cooling cover outer wall.

[0018] Preferably, the water pipe is opened from the inner wall of the water cooling cover, one end of the water pipe is connected to the water outlet, and the other end of the water pipe is connected to the water inlet, the output end of the water pump is fixedly connected to the water inlet, and the input end of the water pump is externally connected to the cold water pipe, and the water outlet is externally connected to the outlet pipe.

[0019] (3) Beneficial effects

[0020] Compared with the prior art, the present invention provides an aluminum alloy die-casting waste aluminum remelting and recovery system, which has the following beneficial effects:

[0021] 1. The aluminum alloy die-casting scrap aluminum remelting and recycling system has a lifting mechanism. After the scrap aluminum is remelted, when the crucible needs to be cooled, the furnace cover is first separated from the upper end of the furnace, and then the cable is connected to the upper end of the fixed horizontal frame through the connecting component. The transmission motor is started, and the transmission motor drives the cable wheel to rotate at a constant speed. As the cable wheel rotates at a constant speed, the cable wheel drives the cable to reel in. As the cable reels in, the crucible is driven up based on the fixed horizontal frame through the connecting component until the crucible is level with the water cooling mechanism. The transmission motor can be turned off. The transmission motor is a three-phase motor with a speed of When the speed is lower than the rotating magnetic field, the rotor winding generates electromotive force and current due to the relative movement between the rotor winding and the magnetic field, and interacts with the magnetic field to generate electromagnetic torque, realizing energy conversion. Adjusting the resistance of the rheostat can improve the starting performance of the motor and adjust the speed of the motor. After the crucible is cooled, the material inside the crucible is taken out, and then the cable is unwound by controlling the reverse rotation of the transmission motor until the crucible is stably placed on the inner wall of the furnace based on the two sets of limit blocks and limit slots. The cable can be removed from the upper end of the fixed horizontal frame through the connecting assembly.

[0022] 2. The aluminum alloy die-casting waste aluminum remelting and recovery system, through the provided connecting assembly, before the crucible is raised or lowered, the connecting rod is first screwed into the inner wall of the bottom column through the first external thread based on the internal thread and tightened and fixed, and then the fastening nut is screwed to the upper outer wall of the bottom column based on the second external thread and fixed. The fastening nut plays a fastening role, effectively preventing the connecting rod from freely rotating on the inner wall of the bottom column. In the process of raising and lowering the crucible, the rotating connecting piece is used to adjust the orientation of the crucible, which is convenient for placing the crucible. The structure of the connecting assembly is simple and is used in combination with the lifting mechanism to further improve the use effect of the device.

[0023] 3. The aluminum alloy die-casting scrap aluminum remelting and recycling system has a water-cooling mechanism. When the crucible needs to be cooled, the two oil cylinders are started to drive the two water-cooling covers to extend relative to each other until the two water-cooling covers are both in contact with the outer wall of the crucible. At the same time, the water pump is connected to the cold water pipe, and the water outlet is connected to the water outlet pipe. The cold water is transported to the inside of the water pipe through the water inlet by the water pump, and then output through the water outlet through the other end of the water pipe. In this process, the heat outside the crucible is transferred to the water-cooling cover and indirectly absorbed by the water pipe. The cold water inside the water pipe is output after the heat and cold transfer, and the cycle is repeated to achieve the cooling of the crucible. The water pipe and the water-cooling cover are both made of pure copper with a thermal conductivity of approximately 401W / mK and extremely high thermal conductivity. Due to the structure of the water pipe, the contact area between the cold water and the water-cooling cover is effectively increased, thereby indirectly ensuring the water cooling effect. The water pump is small in size and can be directly fixedly connected to the water inlet. The practicality of the water-cooling mechanism is high, which further improves the processing efficiency of the system. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a first overall structural schematic diagram of the aluminum alloy die-casting waste aluminum remelting and recovery system of the present invention.

[0025] Figure 2 This is a second overall structural schematic diagram of the aluminum alloy die-casting waste aluminum remelting and recovery system of the present invention.

[0026] Figure 3 It is a partial structural schematic diagram of the aluminum alloy die-casting waste aluminum remelting and recovery system of the present invention.

[0027] Figure 4 It is a structural schematic diagram of the lifting mechanism in the aluminum alloy die-casting waste aluminum remelting and recovery system of the present invention.

[0028] Figure 5 This is a schematic structural diagram of the connecting components used in the lifting mechanism of the aluminum alloy die-casting waste aluminum remelting and recovery system of the present invention.

[0029] Figure 6 It is a structural schematic diagram of the water cooling mechanism in the aluminum alloy die-casting waste aluminum remelting and recovery system of the present invention.

[0030] Figure 7This is an exploded view of the structure of the water cooling mechanism in the aluminum alloy die-casting waste aluminum remelting and recovery system of the present invention.

[0031] In the figure: 1. furnace; 2. crucible; 3. furnace cover; 4. lifting mechanism; 5. water cooling mechanism; 6. limit block; 7. limit slot; 401. fixed frame; 402. mounting base; 403. transmission motor; 404. cable reel; 405. cable; 406. connecting assembly; 407. fixed cross frame; 4061. fastening nut; 4062. fixing ear; 4063. connecting rod; 4064. limit ring; 4065. first external thread; 4066. internal thread; 4067. second external thread; 4068. bottom column; 4069. rotating connector; 501. water cooling cover; 502. connecting block; 503. oil cylinder; 504. support rod; 505. water pipe; 506. water outlet; 507. water inlet; 508. water pump. DETAILED DESCRIPTION

[0032] To facilitate understanding of the technical means, creative features, objectives, and effects achieved by the present invention, the present invention will be further described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the embodiments described are only a portion of the embodiments of the present invention, not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without inventive effort shall fall within the scope of protection of the present invention.

[0033] like Figure 1 、 4 As shown in Figure 5, the lifting mechanism 4 used in the aluminum alloy die-casting waste aluminum remelting and recycling system has an "L"-shaped structure when viewed from the side of the fixed frame 401. Fixing screws are provided between the mounting base 402 and the fixed frame 401, and the lower end of the mounting base 402 is fixedly connected to the upper end outer surface of the front section of the horizontal section of the fixed frame 401 by fixing screws. The upper end of the mounting base 402 is matched with the structure of the main body of the transmission motor 403, and the transmission motor 403 is detachably connected to the upper end of the mounting base 402. The cable pulley 404 is sleeved on the outer wall of the output end of the transmission motor 403 and fixedly connected thereto. The upper end of the cable 405 is fixedly connected to the cable-taking-up wheel 404, and the lower end of the cable 405 is fixedly connected to the upper end of the connecting component 406. The cable-taking-up wheel 404 is directly opposite the crucible 2. The lower end of the connecting component 406 is welded to the center of the outer surface of the upper end of the fixed cross frame 407. The fixed cross frame 407 matches the structure of the inner wall of the upper section of the crucible 2, and both ends of the fixed cross frame 407 are welded to the inner wall of the upper section of the crucible 2.

[0034] It should be noted that the present invention is a system for remelting and recycling aluminum alloy die-casting waste aluminum. Through the provided lifting mechanism 4, after the waste aluminum is remelted, when the crucible 2 needs to be cooled, the furnace cover 3 is first separated from the upper end of the furnace 1, and then the cable 405 is connected to the upper end of the fixed horizontal frame 407 through the connecting component 406, and the transmission motor 403 is started. The transmission motor 403 drives the cable wheel 404 to rotate at a constant speed. As the cable wheel 404 rotates at a constant speed, the cable wheel 404 drives the cable 405 to reel in. As the cable 405 rotates at a constant speed, the cable wheel 404 drives the cable 405 to reel in. To rewind, the crucible 2 is driven to rise based on the fixed horizontal frame 407 through the connecting component 406 until the crucible 2 is level with the water-cooling mechanism 5, and the transmission motor 403 can be turned off. After the crucible 2 has cooled down and the material inside the crucible 2 is taken out, the transmission motor 403 is controlled to reverse and drive the cable 405 to unwind until the crucible 2 is stably placed on the inner wall of the furnace 1 based on the two sets of limit blocks 6 and the limit slots 7. The cable 405 can be removed from the upper end of the fixed horizontal frame 407 through the connecting component 406.

[0035] Among them, the transmission motor 403 is a three-phase motor, and its rotation speed is lower than the rotation speed of the rotating magnetic field. The rotor winding generates electromotive force and current due to the relative movement between it and the magnetic field, and interacts with the magnetic field to generate electromagnetic torque, realizing energy conversion. Adjusting the resistance of the rheostat can improve the starting performance of the motor and adjust the speed of the motor.

[0036] And as Figure 4 、 5 As shown, the connection component 406 for the aluminum alloy die-casting waste aluminum remelting and recycling system, the lower ends of the two ends of the fixed parts of the rotating connection 4069 are welded to the upper end outer surface of the fixed cross frame 407, and the center of the upper end outer surface of the rotating part of the rotating connection 4069 is welded to the lower end of the bottom column 4068, the second external thread 4067 is opened by the upper section outer wall of the bottom column 4068, and the bottom column 4068 is threadedly connected to the inner wall of the fastening nut 4061 through the second external thread 4067, the internal thread 4066 is opened on the inner wall of the bottom column 4068, the first external thread 4065 is opened by the lower section outer wall of the connecting rod 4063, and The connecting rod 4063 is threadedly connected to the inner wall of the base column 4068 based on the internal thread 4066 through the first external thread 4065. The limiting ring 4064 is opened on the outer wall of the middle section of the connecting rod 4063. The outer diameter of the limiting ring 4064 is larger than the outer diameter of the connecting rod 4063, and the outer diameter of the limiting ring 4064 is slightly smaller than the inner diameter of the fastening nut 4061. The fastening nut 4061 is sleeved on the outer wall of the connecting rod 4063 and is slidably connected thereto. The lower end of the fixing ear 4062 is engaged with the upper end of the connecting rod 4063 and is rotatably connected thereto. The lower end of the cable 405 is wrapped around the upper end of the fixing ear 4062 and is fixed thereto.

[0037] It should be noted that the present invention is an aluminum alloy die-casting waste aluminum remelting and recovery system. Through the provided connecting assembly 406, before raising or lowering the crucible 2, the connecting rod 4063 is first screwed into the inner wall of the bottom column 4068 through the first external thread 4065 based on the internal thread 4066 and tightened and fixed, and then the fastening nut 4061 is screwed to the upper outer wall of the bottom column 4068 based on the second external thread 4067 and fixed.

[0038] Among them, the fastening nut 4061 plays a fastening role, effectively preventing the connecting rod 4063 from freely rotating on the inner wall of the bottom column 4068, and the rotating connecting piece 4069 is used to adjust the orientation and rotation of the crucible 2, which is convenient for placing the crucible 2. The structure of the connecting component 406 is simple and is used in combination with the lifting mechanism 4 to further improve the use effect of the device.

[0039] Another example Figure 1 、 2 , 6 and 7, the water cooling mechanism 5 for the aluminum alloy die-casting waste aluminum remelting and recycling system, the water cooling cover 501 has a semi-circular structure when viewed from above, and the structure of the water cooling cover 501 is consistent with the structure of the crucible 2, the connecting block 502 is welded to the center of the outer wall of the water cooling cover 501, and the connecting block 502 is fixedly connected to the output end of the oil cylinder 503, the outer surface of one side of the oil cylinder 503 body is fixedly connected to the outer surface of the upper end of the support rod 504, and the water outlet 506 is opened at The water-cooling cover 501 is provided with a water inlet 507 on the upper section of the rear side of the outer wall of the water-cooling cover 501, and a water pipe 505 is provided on the inner wall of the water-cooling cover 501. One end of the water pipe 505 is connected to the water outlet 506, and the other end of the water pipe 505 is connected to the water inlet 507. The output end of the water pump 508 is fixedly connected to the water inlet 507, and the input end of the water pump 508 is externally connected to the cold water pipe, and the water outlet 506 is externally connected to the water outlet pipe.

[0040] It should be noted that the present invention is a system for remelting and recovering aluminum alloy die-casting waste aluminum. When the crucible 2 needs to be cooled by the water-cooling mechanism 5, the two oil cylinders 503 are started to drive the two water-cooling covers 501 to extend relative to each other until the two water-cooling covers 501 are both in contact with the outer wall of the crucible 2. At the same time, the water pump 508 is connected to the cold water pipe, and the water outlet 506 is connected to the water outlet pipe. The cold water is transported to the inside of the water pipe 505 through the water inlet 507 by the water pump 508, and then output through the water outlet 506 at the other end of the water pipe 505. In this process, the heat outside the crucible 2 is transferred to the water-cooling cover 501 and indirectly absorbed by the water pipe 505. The cold water inside the water pipe 505 is output after the heat and cold transfer, and this cycle is used to achieve refrigeration of the crucible 2.

[0041] Among them, the water pipe 505 and the water cooling cover 501 are both made of pure copper, with a thermal conductivity coefficient of approximately 401W / mK, and extremely high thermal conductivity. Due to the structure of the water pipe 505, the contact area between the cold water and the water cooling cover 501 is effectively increased, which indirectly guarantees the water cooling effect. The water pump 508 is small in size and can be directly fixedly connected to the water inlet 507. The water cooling mechanism 5 is highly practical, which further improves the processing efficiency of the system.

[0042] In summary, the basic working principle of the present invention is as follows: through the provided lifting mechanism 4, after the scrap aluminum is remelted, when the crucible 2 needs to be cooled, the furnace cover 3 is first separated from the upper end of the melting furnace 1, and then the cable 405 is connected to the upper end of the fixed horizontal frame 407 through the connecting component 406, and the transmission motor 403 is started. The transmission motor 403 drives the cable wheel 404 to rotate at a constant speed. As the cable wheel 404 rotates at a constant speed, the cable wheel 404 drives the cable 405 to reel in. As the cable 405 reels in, the crucible 2 is driven to rise based on the fixed horizontal frame 407 through the connecting component 406 until the crucible 2 is level with the water-cooling mechanism 5, and then the transmission motor 403 can be turned off. The transmission motor 403 is a three-phase motor with a rotation speed lower than The speed of the rotating magnetic field, the rotor winding generates electromotive force and current due to the relative movement between the rotor winding and the magnetic field, and generates electromagnetic torque by interacting with the magnetic field to realize energy conversion. Adjusting the resistance of the rheostat can improve the starting performance of the motor and adjust the speed of the motor. After the crucible 2 is cooled, the material inside the crucible 2 is taken out, and then the cable 405 is unwound by controlling the reverse rotation of the transmission motor 403 until the crucible 2 is stably placed on the inner wall of the furnace 1 based on the two sets of limit blocks 6 and the limit slots 7. The cable 405 can be removed from the upper end of the fixed cross frame 407 through the connecting component 406, and the connecting rod 406 is provided before the crucible 2 is raised or lowered. 4063 is screwed into the inner wall of the bottom column 4068 based on the internal thread 4066 through the first external thread 4065 and tightened, and then the fastening nut 4061 is screwed to the upper outer wall of the bottom column 4068 based on the second external thread 4067 to be fixed. The fastening nut 4061 plays a fastening role, effectively preventing the connecting rod 4063 from freely rotating on the inner wall of the bottom column 4068. In the process of lifting the crucible 2, the rotating connecting piece 4069 is used to adjust the orientation of the crucible 2, which is convenient for placing the crucible 2. The structure of the connecting assembly 406 is simple and is used in combination with the lifting mechanism 4 to further improve the use effect of the device. In addition, through the provided water cooling mechanism 5, when the crucible 2 needs to be cooled, the two Each oil cylinder 503 drives the two water-cooling covers 501 to extend relative to each other until both are in contact with the outer wall of crucible 2. Simultaneously, a water pump 508 is connected to a cold water pipe, and a water outlet 506 is connected to an outlet pipe. Cold water is pumped from the water pump 508 through the water inlet 507 to the interior of the water pipe 505. The water is then discharged through the other end of the water pipe 505 and out through the outlet 506. During this process, heat from the outside of crucible 2 is transferred to the water-cooling covers 501 and indirectly absorbed by the water pipe 505. The cold water inside the water pipe 505 is then discharged after the heat transfer, thus completing the cycle and cooling crucible 2. Both the water pipe 505 and the water-cooling covers 501 are made of pure copper, with a thermal conductivity of approximately 401 W / m.K, the thermal conductivity is extremely high, and due to the structure of the water pipe 505, the contact area between the cold water and the water cooling cover 501 is effectively increased, indirectly ensuring the water cooling effect. The water pump 508 is relatively small and can be directly fixedly connected to the water inlet 507. The practicality of the water cooling mechanism 5 is high, further improving the processing efficiency of the system.

[0043] The basic principles, main features and advantages of the present invention are shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and modifications may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and modifications fall within the scope of the invention as claimed.

Claims

1. A system for remelting and recycling aluminum alloy die-casting waste aluminum, comprising a furnace (1), characterized in that: A crucible (2) is provided inside the melting furnace (1), and a furnace cover (3) is provided at the upper end of the crucible (2); water cooling mechanisms (5) are placed on the left and right sides of the melting furnace (1), and a lifting mechanism (4) is placed on the rear side of the melting furnace (1); both sides of the upper inner wall of the melting furnace (1) are provided with limiting slots (7), and both sides of the upper outer wall of the crucible (2) are provided with limiting blocks (6); the upper inner wall of the melting furnace (1) and the furnace cover (3) have the same structure; the water cooling mechanism (5) includes a water cooling cover (501), a connecting block (502) and an oil cylinder (503); the water cooling cover (501) has a semicircular structure when viewed from above, and the water cooling cover (501) and the crucible (2) have the same structure; the connecting block (502) is welded to the center of the outer wall of the water cooling cover (501), and the connecting block (502) is fixedly connected to the output end of the oil cylinder (503); The crucible (2) is placed inside the furnace (1), and the furnace (1) is adapted to the structure of the crucible (2) based on two sets of limit blocks (6) and limit slots (7). The upper end of the crucible (2) is detachably connected to the output end of the lifting mechanism (4), and the output end of the lifting mechanism (4) is directly opposite to the crucible (2). The furnace cover (3) is detachably connected to the upper inner wall of the furnace (1); The lifting mechanism (4) includes a fixed frame (401), a mounting base (402), a transmission motor (403), a cable reel (404), a cable (405), a connecting assembly (406), and a fixed cross frame (407); The connecting assembly (406) includes a fastening nut (4061), a fixing ear (4062), a connecting rod (4063), a limiting ring (4064), a first external thread (4065), an internal thread (4066), a second external thread (4067), a bottom column (4068) and a rotating connecting piece (4069); The water cooling mechanism (5) further comprises a support rod (504), a water pipe (505), a water outlet (506), a water inlet (507) and a water pump (508), and the water cooling cover (501), the connecting block (502), the oil cylinder (503), the support rod (504), the water pipe (505), the water outlet (506), the water inlet (507) and the water pump (508) are symmetrically arranged in two groups based on the left and right sides of the melting furnace (1).

2. The aluminum alloy die casting waste aluminum remelting and recycling system according to claim 1 is characterized in that: The fixed frame (401) is an "L"-shaped structure when viewed from the side. A fixing screw is provided between the mounting base (402) and the fixed frame (401). The lower end of the mounting base (402) is fixedly connected to the upper end outer surface of the front section of the horizontal section of the fixed frame (401) by the fixing screw. The upper end of the mounting base (402) is matched with the structure of the main body of the transmission motor (403), and the transmission motor (403) is detachably connected to the upper end of the mounting base (402). The cable reel (404) is sleeved on the transmission motor (403). ) and is fixedly connected to the outer wall of the output end of the crucible (2), the upper end of the cable (405) is fixedly connected to the cable-taking wheel (404), and the lower end of the cable (405) is fixedly connected to the upper end of the connecting component (406), the cable-taking wheel (404) is directly opposite to the crucible (2), and the lower end of the connecting component (406) is welded to the center of the outer surface of the upper end of the fixed cross frame (407), the fixed cross frame (407) is matched with the structure of the inner wall of the upper section of the crucible (2), and both ends of the fixed cross frame (407) are welded to the inner wall of the upper section of the crucible (2).

3. The aluminum alloy die casting waste aluminum remelting and recycling system according to claim 1 is characterized in that: The lower ends of both ends of the fixed parts of the rotating connecting member (4069) are welded to the upper outer surface of the fixed cross frame (407), and the center of the upper outer surface of the rotating part of the rotating connecting member (4069) is welded to the lower end of the bottom column (4068). The second external thread (4067) is opened on the upper outer wall of the bottom column (4068), and the bottom column (4068) is threadedly connected to the inner wall of the fastening nut (4061) through the second external thread (4067). The internal thread (4066) is opened on the inner wall of the bottom column (4068). The first external thread (4065) is opened on the lower outer wall of the connecting rod (4063), and the connecting rod (4063) is threadedly connected to the inner wall of the fastening nut (4061) through the first external thread ( 4065) is threadedly connected to the inner wall of the base column (4068) based on the internal thread (4066); the limiting ring (4064) is opened on the outer wall of the middle section of the connecting rod (4063), the outer diameter of the limiting ring (4064) is larger than the outer diameter of the connecting rod (4063), and the outer diameter of the limiting ring (4064) is slightly smaller than the inner diameter of the fastening nut (4061), the fastening nut (4061) is sleeved on the outer wall of the connecting rod (4063) and is slidably connected thereto, the lower end of the fixing ear (4062) is engaged with the upper end of the connecting rod (4063) and is rotatably connected thereto, and the lower end of the cable (405) is wrapped around the upper end of the fixing ear (4062) and is fixed thereto.

4. The aluminum alloy die casting waste aluminum remelting and recycling system according to claim 1 is characterized in that: One side outer surface of the oil cylinder (503) body is fixedly connected to the upper end outer surface of the support rod (504); the water outlet (506) is opened at the upper section of the rear side of the outer wall of the water cooling cover (501), and the water inlet (507) is opened at the lower section of the rear side of the outer wall of the water cooling cover (501); the water pipe (505) is opened at the inner wall of the water cooling cover (501), one end of the water pipe (505) is connected to the water outlet (506), and the other end of the water pipe (505) is connected to the water inlet (507); the output end of the water pump (508) is fixedly connected to the water inlet (507), the input end of the water pump (508) is externally connected to a cold water pipe, and the water outlet (506) is externally connected to the water outlet pipe.

Images