A lifting and pouring device for molten aluminum transfer of large-tonnage aluminum alloy die-casting equipment

Abstract

The utility model discloses a kind of lifting dumping devices for large-tonnage aluminum alloy die-casting equipment molten aluminum transfer, belong to molten aluminum dumping device technical field, including lifting platform, operating platform is installed on it, operating platform front end is equipped with the overturning support of symmetrical arrangement, hydraulic dumping frame is installed on it, hydraulic dumping frame is used to place aluminium water bag, rotating runner, it is used to guide the aluminium water flowing in aluminium water bag into external container, automatic limiting mechanism is installed on the hydraulic dumping frame.Its technical points are: lifting platform can freely adjust the height of aluminium water pouring point, and the rotating runner equipped can rotate and adjust the horizontal position of its outlet point, so it can be adapted to molds, foundry wells and the like at different positions, in addition, when hydraulic dumping frame operates and pours aluminium water, automatic limiting mechanism automatically takes effect to prevent aluminium water bag from shifting during pouring process, after pouring is completed, automatic limiting mechanism automatically cancels the limiting of aluminium water bag, to facilitate workers to smoothly take it down.

Description

Technical Field

[0001] This utility model relates to the technical field of aluminum liquid pouring devices, specifically a lifting and pouring device for transferring aluminum liquid in large-tonnage aluminum alloy high-pressure casting equipment. Background Technology

[0002] Molten aluminum pouring refers to the process of safely and accurately pouring high-temperature molten aluminum from storage or transportation equipment (such as vacuum aluminum ladle) and injecting it into designated molds, casting wells or other process equipment. This process is crucial in the aluminum processing industry and requires strict adherence to operating procedures to ensure safety and production efficiency.

[0003] The utility model disclosed in CN213794193U is an aluminum liquid transport insulation bag that facilitates the pouring of molten aluminum. By using a support set at the bottom of the insulation bag, and a cylinder, a second lifting lug, and a traction rope set on the support, the insulation bag can be tilted to one side by the cylinder and traction rope, and the molten aluminum can be poured out through the bag spout. Furthermore, by using a pivot and crossbar set at the bottom of the insulation bag, the direction of the tilt of the insulation bag can be limited, so as to avoid the directional deviation of the insulation bag when tilting and the occurrence of safety hazards, thus facilitating the use of the insulation bag.

[0004] While the aforementioned device can perform directional pouring of molten aluminum, it cannot adjust the height of the molten aluminum outlet or its horizontal position. In other words, the device can only achieve fixed-point pouring of molten aluminum, placing strict requirements on the height and position of related equipment. When the position and height of equipment such as molds and casting wells change, the installation position of the aforementioned device needs to be adjusted accordingly, making the operation cumbersome. Furthermore, although structures such as rotating shafts and crossbars can limit the insulation bag and prevent it from shifting during pouring, this structural form interferes with the disassembly and assembly of the insulation bag. Workers must manually disassemble and assemble the insulation bag before it can be removed and installed, which is inconvenient and time-consuming. Therefore, to address the above problems, a lifting and pouring device for transferring molten aluminum in large-tonnage aluminum alloy die-casting equipment is proposed. Utility Model Content

[0005] The technical problem this invention aims to solve is to provide a lifting and tilting device for transferring molten aluminum in large-tonnage aluminum alloy die-casting equipment. This device is equipped with a lifting platform, allowing for free adjustment of the height of the molten aluminum outlet. A rotating flow channel collects the molten aluminum from the ladle and guides it to containers such as molds. Because the horizontal position of the outlet point of the rotating flow channel can be adjusted, it can be adapted to molds and casting wells in different locations. Furthermore, when the hydraulic tilting frame is operating to pour the molten aluminum, an automatic limiting mechanism automatically works to limit the ladle, preventing it from shifting during pouring. When pouring is complete and the hydraulic tilting frame resets, the automatic limiting mechanism automatically releases the limit on the ladle, allowing workers to easily remove it. This solves the problems of comparative technologies where the height and horizontal position of the molten aluminum outlet cannot be adjusted, resulting in poor adaptability, and where the activation of the limiting structure requires manual operation, making operation cumbersome and time-consuming.

[0006] The technical solution adopted by the embodiments of this application to solve its technical problem is:

[0007] A lifting and tilting device for transferring molten aluminum in a large-tonnage aluminum alloy die-casting equipment includes a lifting platform with a working platform mounted on it. Symmetrically arranged tilting supports are mounted at the front end of the working platform, and a hydraulic tilting frame is mounted on the lifting platform. The hydraulic tilting frame holds the molten aluminum ladle, a positioning component guides the molten aluminum ladle to a designated position on the hydraulic tilting frame, and a rotating flow channel, installed at the front end of the tilting supports, guides the molten aluminum flowing from the ladle into an external container. The hydraulic tilting frame is equipped with an automatic limit mechanism that, when the hydraulic tilting frame is operating to tilt the molten aluminum, limits the movement of the molten aluminum ladle. When the pouring is complete and the hydraulic tilting frame resets, the automatic limit mechanism automatically releases the limit on the molten aluminum ladle. Based on the above structure, the lifting platform can freely adjust the height of the molten aluminum pouring point, and the equipped rotating flow channel can rotate to adjust the horizontal position of its outlet point. Therefore, it can be adapted to molds, casting wells, etc. in different locations, and has strong adaptability. In addition, when the hydraulic tilting frame is operating to pour molten aluminum, the automatic limit mechanism automatically works to limit the molten aluminum ladle to prevent it from shifting during the pouring process. When the pouring is complete and the hydraulic tilting frame resets, the automatic limit mechanism automatically releases the limit on the molten aluminum ladle, making it easy for workers to remove it smoothly.

[0008] In one possible implementation, the molten aluminum tank includes a tank body for holding molten aluminum, with a water outlet at the top and symmetrically arranged mating feet fixed at the bottom. The mating feet have slots, and the structure of the mating feet provides the necessary structural basis for the automatic limiting mechanism to play a limiting role. When the automatic limiting mechanism is engaged in the slot, the limiting effect is effective; when the automatic limiting mechanism is disengaged from the slot, the limiting effect is ineffective.

[0009] In one possible implementation, the automatic limiting mechanism includes a limiting bolt that matches the size of the mating foot groove. The bolt is slidably disposed in the hydraulic tilting frame, and a limiting ring is fixedly disposed at the end of the bolt near the mating foot. A return spring is sleeved on the limiting bolt, and a magnetic end piece is fixedly disposed at the end of the limiting bolt away from the mating foot. When the magnetic end piece is subjected to an attractive force, it will pull the limiting bolt away from the groove, at which point the limiting effect will fail. When the magnetic end piece loses its attractive force, the limiting bolt will reset and lock into the groove under the action of the return spring, at which point the limiting effect will take effect.

[0010] In one possible implementation, an electromagnet corresponding to the magnetic end piece is installed on the hydraulic tilting frame, and a battery pack is installed on the hydraulic tilting frame. A contact switch assembly is connected in series with the battery pack and the electromagnet through a wire. The above structure constitutes the power supply circuit of the electromagnet, that is, the operation of the electromagnet is controlled by the on / off state of the contact switch assembly.

[0011] In one possible implementation, when the contact switch assembly is turned on, the electromagnet starts to work, attracting the magnetic end plate and causing the limit bolt to separate from the mating foot. When the contact switch assembly is turned off, the electromagnet stops working, the limit bolt resets and engages with the mating foot. Based on the above technical solution, the effectiveness of the automatic limit mechanism as a whole is linked to the on / off state of the contact switch assembly.

[0012] In one possible implementation, the contact switch assembly includes a moving insulating sheet and a stationary insulating sheet, both of which are equipped with conductive contacts. The moving insulating sheet is fixedly mounted on the hydraulic tilting frame, and the stationary insulating sheet is fixedly mounted on the work platform. Based on the above technical solution, the on / off state of the contact switch assembly is controlled by the hydraulic tilting frame. That is, when the hydraulic tilting frame starts to pour molten aluminum, the moving insulating sheet moves away from the stationary insulating sheet, at which point the electromagnet stops working, and the limit bolt engages with the mating foot to perform a limiting function. After the hydraulic tilting frame finishes pouring the molten aluminum and resets, the moving insulating sheet and the stationary insulating sheet come into contact, at which point the electromagnet works, and the limit bolt separates from the mating foot to release the limiting function. In summary, the automatic limit mechanism can work automatically according to the working conditions without manual operation by workers, which is very convenient.

[0013] In one possible implementation, the hydraulic tilting frame includes a tilting frame body and a tilting hydraulic cylinder. The tilting frame body is rotatably connected to a tilting support, and the bottom end of the tilting hydraulic cylinder is rotatably connected to the working platform via a hinged support. A connecting shaft is fixedly installed on the top of the tilting frame body, and the top of the tilting hydraulic cylinder is rotatably connected to the connecting shaft. When the tilting hydraulic cylinder is working, it can push the tilting frame body to tilt, thereby completing the tilting of molten aluminum.

[0014] In one possible implementation, the rotating flow channel includes a support frame with a rotatably connected rotating bracket mounted on its upper side and a drive motor mounted on its lower side. The drive motor drives the rotating bracket to rotate. A flow guide channel is mounted on the rotating bracket, and a liquid outlet is provided at its end. The flow guide channel is used to collect the poured aluminum liquid and discharge it from the liquid outlet. The drive motor can drive the flow guide channel to rotate by an angle, thereby adjusting the position of the liquid outlet, which has high adaptability.

[0015] In one possible implementation, the lifting platform includes a base on which a scissor brace is connected, and a lifting bracket is connected to the top of the scissor brace. A lower mounting bracket is installed in the base, and a lifting hydraulic cylinder is installed on it. An upper connecting bracket is installed in the lifting bracket, and the top of the lifting hydraulic cylinder is connected to the upper connecting bracket. The lifting hydraulic cylinder can drive the lifting bracket to move up and down through its own operation, thereby adjusting the tilting height of the aluminum ladle, which has high adaptability.

[0016] In one possible implementation, the positioning component includes a positioning rod and a positioning cover. The positioning rod is fixedly connected to the hydraulic tilting frame, and the positioning cover is fixedly installed on the outer wall of the aluminum ladle. When the aluminum ladle is placed using a forklift, the positioning cover and the positioning rod can cooperate to achieve a positioning function, ensuring that the aluminum ladle can be placed in the designated position.

[0017] In summary, this utility model has the following beneficial technical effects:

[0018] In this aluminum molten metal pouring device, a hydraulic pouring frame is used to support and pour the aluminum molten metal ladle. Because it is equipped with a lifting platform, the height of the aluminum molten metal ladle can be freely adjusted to adjust the height of the aluminum molten metal pouring point. The equipped rotating flow channel is used to collect the aluminum molten metal poured out of the aluminum ladle and guide it to containers such as molds. Because the rotating flow channel can rotate and adjust the horizontal position of its outlet point, it can be adapted to containers such as molds and casting wells in different locations.

[0019] In addition, when the hydraulic tilting frame is operating to pour molten aluminum, the automatic limit mechanism automatically works to limit the molten aluminum ladle, preventing it from shifting during the pouring process. When the pouring is completed and the hydraulic tilting frame is reset, the automatic limit mechanism automatically releases the limit on the molten aluminum ladle, making it easy for workers to remove it smoothly. Attached Figure Description

[0020] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0021] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0022] Figure 2 This is a schematic diagram of the tilting state of this utility model;

[0023] Figure 3 This is a partial structural schematic diagram of the present invention;

[0024] Figure 4 This is a schematic diagram of the power supply circuit for the automatic limit mechanism of this utility model;

[0025] Figure 5 This is a schematic diagram of the lifting platform structure of this utility model;

[0026] Figure 6 This is a schematic diagram of the rotating flow channel structure of this utility model.

[0027] In the diagram: 1. Lifting platform; 11. Base; 12. Scissor brace; 13. Lifting bracket; 14. Lower mounting bracket; 15. Upper connecting bracket; 16. Lifting hydraulic cylinder; 2. Working platform; 3. Tilting bracket; 4. Hydraulic tilting frame; 41. Tilting frame body; 42. Tilting hydraulic cylinder; 43. Hinge support; 44. Connecting shaft; 5. Aluminum molten ladle; 51. Ladle body; 52. Water outlet; 53. Mating foot; 6. Positioning assembly; 1. Positioning rod; 62. Positioning cover; 7. Automatic limit mechanism; 71. Limiting bolt; 72. Return spring; 73. Magnetic end piece; 74. Electromagnet; 75. Battery pack; 76. Contact switch assembly; 761. Moving insulating sheet; 762. Stationary insulating sheet; 763. Conductive contact piece; 77. Wire; 8. Rotating flow channel; 81. Support frame; 82. Drive motor; 83. Rotating bracket; 84. Flow channel; 85. Liquid outlet. Detailed Implementation

[0028] The technical solution in this application embodiment is to solve the problems mentioned in the background art, and the overall idea is as follows:

[0029] like Figure 1 - Figure 2As shown in the figure, this embodiment provides a lifting and tilting device for transferring molten aluminum in a large-tonnage aluminum alloy die-casting equipment. It includes a lifting platform 1, on which a working platform 2 is mounted. Symmetrically arranged tilting supports 3 are mounted at the front end of the working platform 2, and a hydraulic tilting frame 4 is mounted on it. The hydraulic tilting frame 4 is used to place the molten aluminum ladle 5. A positioning component 6 guides the molten aluminum ladle 5 to a designated position on the hydraulic tilting frame 4. A rotating flow channel 8, installed at the front end of the tilting supports 3, guides the molten aluminum flowing from the molten aluminum ladle 5 into an external container. An automatic limiting mechanism 7 is installed on the hydraulic tilting frame 4. When the hydraulic tilting frame 4 operates to tilt the molten aluminum, the automatic limiting mechanism 7 operates to control the molten aluminum ladle 5. The automatic limit mechanism 7 automatically releases the limit on the aluminum ladle 5 when the pouring is completed and the hydraulic pouring frame 4 resets. Based on the above structure, the lifting platform 1 can freely adjust the height of the aluminum pouring point, and the equipped rotating flow channel 8 can rotate to adjust the horizontal position of its outlet point. Therefore, it can be adapted to molds, casting wells, etc. in different positions and has strong adaptability. In addition, when the hydraulic pouring frame 4 is operating to pour the aluminum, the automatic limit mechanism 7 automatically works to limit the aluminum ladle 5 to prevent the aluminum ladle 5 from shifting during the pouring process. When the pouring is completed and the hydraulic pouring frame 4 resets, the automatic limit mechanism 7 automatically releases the limit on the aluminum ladle 5, making it easy for workers to remove it smoothly.

[0030] like Figure 3 As shown, the aluminum molten metal tank 5 includes a tank body 51 for holding molten aluminum, with a water outlet 52 at the top and symmetrically arranged mating feet 53 fixed at the bottom. The mating feet 53 have slots. The structure of the mating feet 53 provides the necessary structural basis for the automatic limiting mechanism 7 to play a limiting role. When the automatic limiting mechanism 7 is engaged in the slot, the limiting effect is effective. When the automatic limiting mechanism 7 is disengaged from the slot, the limiting effect is ineffective.

[0031] like Figure 3 - Figure 4As shown, the automatic limiting mechanism 7 includes a limiting bolt 71 that matches the size of the slot of the mating foot 53. It is slidably mounted in the hydraulic tilting frame 4, and a limiting ring is fixedly mounted at the end of the limiting bolt 71 near the mating foot 53. A return spring 72 is sleeved on the limiting bolt 71, and a magnetic end piece 73 is fixedly mounted at the end of the limiting bolt 71 away from the mating foot 53. When the magnetic end piece 73 is subjected to an attractive force, it pulls the limiting bolt 71 out of the slot, at which point the limiting effect is lost. When the magnetic end piece 73 loses its attractive force... When in use, the limit bolt 71 will reset and lock into the slot under the action of the return spring 72, at which time the limiting effect takes effect; correspondingly, an electromagnet 74 corresponding to the magnetic end piece 73 is installed on the hydraulic tilting frame 4, and a battery pack 75 is installed on the hydraulic tilting frame 4. The circuit between the battery pack 75 and the electromagnet 74 is connected in series with a contact switch assembly 76 through a wire 77. The above structure constitutes the power supply circuit of the electromagnet 74, that is, the operation of the electromagnet 74 is controlled by the on and off of the contact switch assembly 76.

[0032] In the above technical solution, when the contact switch assembly 76 is turned on, the electromagnet 74 starts to work, attracting the magnetic end plate 73 to separate the limit bolt 71 from the mating foot 53. When the contact switch assembly 76 is turned off, the electromagnet 74 stops working, the limit bolt 71 resets and engages with the mating foot 53. Based on the above technical solution, the effectiveness of the automatic limit mechanism 7 is linked to the on / off state of the contact switch assembly 76. The contact switch assembly 76 includes a moving insulating plate 761 and a stationary insulating plate 762, both of which are equipped with conductive contacts 763. The moving insulating plate 761 is fixedly mounted on the hydraulic tilting frame 4, and the stationary insulating plate 762 is fixedly mounted on the hydraulic tilting frame 4. The 62 is fixedly installed on the work platform 2. Based on the above technical solution, the on / off state of the contact switch assembly 76 is controlled by the hydraulic tilting frame 4. That is, when the hydraulic tilting frame 4 starts to pour molten aluminum, the moving insulating sheet 761 moves away from the stationary insulating sheet 762. At this time, the electromagnet 74 stops working, and the limit bolt 71 engages with the mating foot 53 to perform the limiting function. After the hydraulic tilting frame 4 finishes pouring molten aluminum and resets, the moving insulating sheet 761 and the stationary insulating sheet 762 come into contact. At this time, the electromagnet 74 works, and the limit bolt 71 separates from the mating foot 53 to release the limiting function. In summary, the automatic limit mechanism 7 can work automatically according to the working conditions without the need for manual operation by the worker, which is very convenient.

[0033] like Figure 2 As shown, the hydraulic tilting frame 4 includes a tilting frame body 41 and a tilting hydraulic cylinder 42. The tilting frame body 41 is rotatably connected to the tilting support 3. The bottom end of the tilting hydraulic cylinder 42 is rotatably connected to the working platform 2 through a hinged support 43. A connecting shaft 44 is fixedly installed on the top of the tilting frame body 41. The top of the tilting hydraulic cylinder 42 is rotatably connected to the connecting shaft 44. When the tilting hydraulic cylinder 42 is working, it can push the tilting frame body 41 to tilt, thus completing the tilting of molten aluminum.

[0034] like Figure 6 As shown, the rotating flow channel 8 includes a support frame 81, on the upper side of which a rotating bracket 83 is rotatably connected, and on the lower side of which a drive motor 82 is installed. The drive motor 82 is used to drive the rotating bracket 83 to rotate. A flow guide channel 84 is installed on the rotating bracket 83, and a liquid outlet 85 is provided at its end. The flow guide channel 84 is used to collect the poured aluminum liquid and guide it out from the liquid outlet 85. The drive motor 82 can drive the flow guide channel 84 to rotate by an angle, thereby adjusting the position of the liquid outlet 85, which has high adaptability.

[0035] like Figure 5 As shown, the lifting platform 1 includes a base 11, on which a scissor brace 12 is connected. A lifting bracket 13 is connected to the top of the scissor brace 12. A lower mounting bracket 14 is installed in the base 11, on which a lifting hydraulic cylinder 16 is installed. An upper connecting bracket 15 is installed in the lifting bracket 13. The top of the lifting hydraulic cylinder 16 is connected to the upper connecting bracket 15. The lifting hydraulic cylinder 16 can drive the lifting bracket 13 to move up and down through its own operation, thereby adjusting the tilting height of the aluminum ladle 5. It has high adaptability.

[0036] like Figure 3 As shown, the positioning component 6 includes a positioning rod 61 and a positioning cover 62. The positioning rod 61 is fixedly connected to the hydraulic tilting frame 4, and the positioning cover 62 is fixedly installed on the outer wall of the aluminum molten ladle 5. When the aluminum molten ladle 5 is placed using a forklift, the positioning cover 62 and the positioning rod 61 can cooperate to achieve a positioning function, ensuring that the aluminum molten ladle 5 can be placed in the designated position.

[0037] The working principle and usage process of this utility model:

[0038] In this aluminum molten metal pouring device, a hydraulic pouring frame 4 is used to support and pour the aluminum molten metal ladle 5. Because it is equipped with a lifting platform 1, the height of the aluminum molten metal ladle 5 can be freely adjusted to adjust the height of the aluminum molten metal pouring point. The equipped rotating flow channel 8 is used to collect the aluminum molten metal poured out of the aluminum molten metal ladle 5 and guide it to containers such as molds. Because the rotating flow channel 8 can rotate to adjust the horizontal position of its outlet point, it can be adapted to containers such as molds and casting wells in different positions.

[0039] In addition, when the hydraulic tilting frame 4 is operating to pour molten aluminum, the automatic limit mechanism 7 automatically works to limit the molten aluminum ladle 5 to prevent it from shifting during the pouring process. When the pouring is completed and the hydraulic tilting frame 4 is reset, the automatic limit mechanism 7 automatically cancels the limit on the molten aluminum ladle 5, making it easier for workers to remove it smoothly.

[0040] The working principle of the automatic limit mechanism 7 is as follows: when the magnetic end piece 73 is subjected to an attractive force, it pulls the limit bolt 71 away from the slot, at which point the limiting effect is lost. When the magnetic end piece 73 loses its attractive force, the limit bolt 71 will reset and lock into the slot under the action of the return spring 72, at which point the limiting effect is effective. The on / off control of the contact switch assembly 76 controls the operation of the electromagnet 74. That is, when the hydraulic tilting frame 4 starts to pour molten aluminum, the moving insulating piece 761 moves away from the stationary insulating piece 762, at which point the electromagnet 74 stops working, and the limit bolt 71 engages with the mating foot 53 to perform the limiting function. After the hydraulic tilting frame 4 finishes pouring molten aluminum and resets, the moving insulating piece 761 and the stationary insulating piece 762 come into contact, at which point the electromagnet 74 works, and the limit bolt 71 separates from the mating foot 53 to release the limiting function. In summary, the automatic limit mechanism 7 can work automatically according to the working conditions without manual operation by the worker, which is very convenient.

[0041] Finally, it should be noted that the above embodiments are merely examples for clearly illustrating the present invention and are not intended to limit the implementation. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations. However, obvious variations or modifications derived therefrom are still within the protection scope of this invention.

Claims

1. A lifting and tilting device for transferring molten aluminum in large-tonnage aluminum alloy die-casting equipment, characterized in that, include: A lifting platform (1) is equipped with a working platform (2). A symmetrically arranged tilting bracket (3) is installed at the front end of the working platform (2), and a hydraulic tilting frame (4) is installed on it. The hydraulic tilting frame (4) is used to place the aluminum molten ladle (5). Positioning component (6) is used to guide the aluminum molten ladle (5) to a designated position on the hydraulic tilting frame (4); A rotating flow channel (8) is installed at the front end of the flipping bracket (3) to guide the molten aluminum flowing out of the aluminum ladle (5) into an external container; The hydraulic tilting frame (4) is equipped with an automatic limiting mechanism (7). When the hydraulic tilting frame (4) is operating to pour molten aluminum, the automatic limiting mechanism (7) works to limit the molten aluminum package (5). When the pouring is completed and the hydraulic tilting frame (4) is reset, the automatic limiting mechanism (7) automatically cancels the limit on the molten aluminum package (5).

2. The lifting and tilting device for transferring molten aluminum in a large-tonnage aluminum alloy die-casting equipment according to claim 1, characterized in that: The aluminum molten metal package (5) includes a main body (51) for holding aluminum molten metal, with a water outlet (52) at the top and symmetrically arranged mating feet (53) fixedly arranged at the bottom, with slots on the mating feet (53).

3. The lifting and tilting device for transferring molten aluminum in a large-tonnage aluminum alloy die-casting equipment according to claim 2, characterized in that: The automatic limiting mechanism (7) includes a limiting bolt (71) that matches the size of the groove of the mating foot (53). It is slidably disposed in the hydraulic tilting frame (4), and a limiting ring is fixedly disposed at one end of the limiting bolt (71) near the mating foot (53). A return spring (72) is provided on the outer sleeve of the limiting bolt (71), and a magnetic end piece (73) is fixedly disposed at the end of the limiting bolt (71) away from the mating foot (53).

4. A lifting and tilting device for transferring molten aluminum in a large-tonnage aluminum alloy die-casting equipment according to claim 3, characterized in that: The hydraulic tilting frame (4) is equipped with an electromagnet (74) corresponding to the magnetic end piece (73), and a battery pack (75) is installed on the hydraulic tilting frame (4). A contact switch assembly (76) is connected in series in the circuit between the battery pack (75) and the electromagnet (74) through a wire (77).

5. A lifting and tilting device for transferring molten aluminum in a large-tonnage aluminum alloy die-casting equipment according to claim 3, characterized in that: When the contact switch assembly (76) is turned on, the electromagnet (74) starts to work, attracting the magnetic end piece (73) to separate the limit bolt (71) from the mating foot (53). When the contact switch assembly (76) is turned off, the electromagnet (74) stops working, and the limit bolt (71) resets and engages with the mating foot (53).

6. A lifting and tilting device for transferring molten aluminum in a large-tonnage aluminum alloy die-casting equipment according to claim 5, characterized in that: The contact switch assembly (76) includes a moving insulating sheet (761) and a stationary insulating sheet (762). Both the moving insulating sheet (761) and the stationary insulating sheet (762) are equipped with conductive contacts (763). The moving insulating sheet (761) is fixedly installed on the hydraulic tilting frame (4), and the stationary insulating sheet (762) is fixedly installed on the working platform (2).

7. A lifting and tilting device for transferring molten aluminum in a large-tonnage aluminum alloy die-casting equipment according to claim 1, characterized in that: The hydraulic tilting frame (4) includes a tilting frame body (41) and a tilting hydraulic cylinder (42). The tilting frame body (41) is rotatably connected to the overturning support (3). The bottom end of the tilting hydraulic cylinder (42) is rotatably connected to the working platform (2) through a hinged support (43). A connecting shaft (44) is fixedly installed on the top of the tilting frame body (41), and the top of the tilting hydraulic cylinder (42) is rotatably connected to the connecting shaft (44).

8. A lifting and tilting device for transferring molten aluminum in a large-tonnage aluminum alloy die-casting equipment according to claim 1, characterized in that: The rotating flow channel (8) includes a support frame (81), on which a rotating bracket (83) is rotatably connected is installed on its upper side, and a drive motor (82) is installed on its lower side. The drive motor (82) is used to drive the rotating bracket (83) to rotate. A flow guide channel (84) is installed on the rotating bracket (83), and a liquid outlet (85) is provided at its end.

9. A lifting and tilting device for transferring molten aluminum in a large-tonnage aluminum alloy die-casting equipment according to claim 1, characterized in that: The lifting platform (1) includes a base (11) on which a scissor brace (12) is connected. A lifting bracket (13) is connected to the top of the scissor brace (12). A lower mounting bracket (14) is installed in the base (11) and a lifting hydraulic cylinder (16) is installed on it. An upper connecting bracket (15) is installed in the lifting bracket (13). The top of the lifting hydraulic cylinder (16) is connected to the upper connecting bracket (15).

10. A lifting and tilting device for transferring molten aluminum in a large-tonnage aluminum alloy die-casting equipment according to claim 1, characterized in that: The positioning component (6) includes a positioning rod (61) and a positioning cover (62), wherein the positioning rod (61) is fixedly connected to the hydraulic tilting frame (4), and the positioning cover (62) is fixedly installed on the outer wall of the aluminum molten ladle (5).

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