Energy-saving and environment-friendly melting furnace group

Abstract

The application discloses an energy-saving and environment-friendly melting furnace group and relates to the technical field of metal die casting. The melting furnace group comprises a base, a material injection assembly and a heat preservation furnace assembly. The top outer side of the base is provided with a support frame, the top end of the support frame is provided with a melting table, the inner side of the melting table is provided with a melting furnace, the outer end of the melting table is provided with a first motor, the outer end of the melting furnace is provided with a discharge port, and the top outer side of the melting table is provided with a material inlet seat. The melting furnace has a large volume, and the heat preservation furnace can control the inner volume. The device can melt a large amount of metal at one time and ensure the accurate quantity of the molten metal. The rotating disc drives the heat preservation furnace assembly to rotate in a circulating manner, which can further improve the die casting efficiency. The use of the annular sleeve enables the device to realize the rapid feeding and discharging of the metal solution without replacing parts and adjusting the position and form of the device in a large range, which further improves the working efficiency of the device.

Description

Technical Field

[0001] This invention relates to the field of metal die casting technology, specifically to an energy-saving and environmentally friendly melting furnace assembly. Background Technology

[0002] A melting furnace is a device used to melt metals or other materials. It is commonly used in metal casting, metallurgy, glass manufacturing, and other industrial processes that require high-temperature treatment. The type and design of melting furnaces vary depending on the application and materials. Common types of melting furnaces include electric arc furnaces, induction furnaces, crucible furnaces, gas furnaces, vacuum furnaces, and rotary furnaces. Rotary furnaces are used for melting and mixing materials and are commonly used in the casting industry.

[0003] The die-casting speed of commonly available die-casting machines is higher than the melting speed. In order to ensure accurate quantitative measurement of molten metal, the amount of metal melted in each batch of the melting furnace is equal to the amount of die-casting. That is, when all the molten metal in the first batch of the melting furnace enters the die-casting machine for die casting, the second batch of aluminum liquid in the melting furnace has not been completely melted, resulting in the die-casting machine having no supply of molten metal and stopping die casting. When the die-casting machine is restarted, the holding furnace and die casting mold need to be heated to approach the temperature of the molten metal. This results in intermittent die casting, low die casting production efficiency, and high energy consumption.

[0004] Therefore, in view of this, we studied and improved the existing structure and its shortcomings, and proposed an energy-saving and environmentally friendly melting furnace group. Summary of the Invention

[0005] The purpose of this invention is to provide an energy-saving and environmentally friendly melting furnace assembly to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: an energy-saving and environmentally friendly melting furnace assembly, comprising a base, a charging assembly, and a holding furnace assembly. A support frame is provided on the outer top of the base, and a melting platform is mounted on the top of the support frame. A melting furnace is mounted on the inner side of the melting platform, and a first motor is mounted on the outer end of the melting platform. A discharge port is provided on the outer end of the melting furnace, and a feeding seat is provided on the outer top of the melting platform. A charging assembly is mounted on the outer end of the melting platform. The charging assembly includes a fixed frame, an electrically controlled push rod, a lifting seat, an injection head, a stretching seat, an extension rod, a sliding frame, and an electromagnet. An electrically controlled push rod is mounted on the outer bottom of the fixed frame, and a lifting seat is mounted on the output end of the electrically controlled push rod. An injection head is connected to the outer end of the lifting seat. A stretching seat is mounted on the outer bottom of the fixed frame, and an extension rod is mounted inside the stretching seat. A sliding frame is connected to the outer end of the extension rod, and an electromagnet is mounted inside the stretching seat.

[0007] Furthermore, the first motor drives the melting platform to rotate, and the molten metal inside the melting platform flows out from the discharge port.

[0008] Furthermore, the electrically controlled push rod drives the lifting seat and the injection head to rise and fall, and the rotation of the melting table causes the discharge port to extend into the top of the injection head.

[0009] Furthermore, the extension rod is fixedly connected to the sliding frame, and the sliding frame is sleeved and connected to the injection head.

[0010] Furthermore, the extension rod is sleeved with the tension seat, and the electromagnet is electromagnetically attracted to the extension rod.

[0011] Furthermore, a second motor is installed on the inner bottom side of the base, and a rotating disk is provided at the output end of the second motor. A mounting seat is provided on the outer top of the rotating disk, and a heat preservation furnace assembly is installed inside the mounting seat.

[0012] Furthermore, the second motor drives the rotating disk to rotate, and the mounting seats are arranged in a circular array on the top of the rotating disk.

[0013] Furthermore, the heat preservation furnace assembly includes a heat insulation layer, a hydraulic cylinder, a pusher plate, a heat preservation furnace, a discharge chute, a feed chute, an annular sleeve, a connecting port, a discharge pipe, a driven gear, a third motor, and a drive gear. The hydraulic cylinder is installed on the inner bottom side of the heat insulation layer, and the output end of the hydraulic cylinder is provided with a pusher plate. The heat preservation furnace is installed inside the heat insulation layer, and the outer end of the heat preservation furnace has a discharge chute. The outer top side of the heat preservation furnace has a feed chute. The outer top side of the heat preservation furnace is provided with an annular sleeve, and the outer top side of the annular sleeve has a connecting port. The outer end of the annular sleeve is connected to a discharge pipe. The outer bottom side of the annular sleeve is provided with a driven gear. The outer end of the heat insulation layer is installed with a third motor, and the output end of the third motor is connected to a drive gear.

[0014] Furthermore, the push plate is placed inside the heat preservation furnace, and the inner contour of the heat preservation furnace matches the outer contour of the push plate.

[0015] Furthermore, the third motor drives the driving gear to rotate, and the driving gear meshes with the driven gear.

[0016] This invention provides an energy-saving and environmentally friendly melting furnace assembly, which has the following beneficial effects:

[0017] 1. The present invention employs a funnel-shaped structure for both the injection head and the top of the interface. This allows for a larger fit tolerance between the discharge port and the injection head, and between the injection head and the interface. This provides greater adjustment clearance for the rotation angle of the melting furnace and the lifting height of the injection head, greatly facilitating the discharge of material when the amount of molten metal inside the melting furnace is low. Furthermore, during the lifting and lowering process, the injection head can drive the sliding frame and the extension rod to move synchronously through the frictional force between itself and the sliding frame. Meanwhile, the extension rod can be attracted and fixed by the electromagnet inside the stretching seat. In this case, the injection head will not cause the sliding frame to move during the lifting and lowering process. Through this design, when the molten metal residue inside the injection head cools and adheres to the inside of the injection head, the staggered arrangement of the sliding frame and the injection head can generate shear stress on the residue, which can effectively separate the residue from the injection head. This operation can effectively prevent the injection head from becoming clogged due to excessive residue during long-term use.

[0018] 2. This invention utilizes a hydraulic cylinder to move a pusher plate within the holding furnace, allowing for adjustments to the furnace's volume. This design enables the equipment to freely adjust the furnace's volume. During operation, the operator only needs to fill the furnace to precisely ensure the required amount of molten metal for die casting. This greatly simplifies the equipment's operation and improves its quantitative accuracy. Furthermore, when manufacturing different die castings, simply adjusting the height of the pusher plate within the furnace allows the equipment to adapt to different die casting volumes, thus expanding its applicability.

[0019] 3. After the holding furnace of this invention is filled with molten metal, the third motor drives the drive gear to rotate, which in turn drives the driven gear to rotate the annular sleeve. This allows the feed chute to intersect with the interface, thus sealing the holding furnace. The second motor drives the rotating disk to rotate, which in turn drives the mounting base to rotate. This allows the mounting base to rotate and reposition the holding furnace assembly, moving it closer to the die-casting machine. At this point, the third motor rotates again, causing the annular sleeve to rotate to the point where the discharge pipe connects with the discharge chute. This also allows the discharge pipe to rotate and connect with the die-casting machine. Then, the hydraulic cylinder drives the push plate to push the molten metal from the holding furnace into the die-casting machine for die casting. Because the die-casting speed is higher than the melting speed, and to ensure precise molten metal measurement, the amount of metal melted in each batch of the melting furnace is equal to the amount to be die-cast. That is, after all the molten metal from the first batch of the melting furnace has entered the die-casting machine, the melting furnace... The second batch of molten aluminum failed to melt completely, causing the die-casting machine to stop casting due to a lack of molten metal supply. When the die-casting machine was restarted, both the holding furnace and the die-casting mold needed to be heated to approach the temperature of the molten metal, resulting in intermittent die-casting, low production efficiency, and high energy consumption. This application uses a large-volume melting furnace and a holding furnace with controllable internal volume, which enables the equipment to melt a large amount of metal at once while ensuring precise quantitative measurement of the molten metal. The use of a rotating disc to drive the holding furnace components in a circular rotation further improves die-casting efficiency. In addition to its quantitative function, the pusher plate also pushes the molten metal into the die-casting machine, which integrates the functions of the equipment. This integration reduces equipment production costs and effectively improves equipment efficiency. Furthermore, the use of annular sleeves allows for rapid feeding and discharging of molten metal without replacing parts or making extensive adjustments to the equipment's position and shape, further enhancing the equipment's efficiency. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall three-dimensional structure of an energy-saving and environmentally friendly melting furnace group according to the present invention;

[0021] Figure 2 This is a three-dimensional structural diagram of the charging component of an energy-saving and environmentally friendly melting furnace group according to the present invention;

[0022] Figure 3 This is a cross-sectional view of the charging assembly of an energy-saving and environmentally friendly melting furnace group according to the present invention.

[0023] Figure 4 This is a schematic diagram of the external structure of the heat-insulating furnace component of an energy-saving and environmentally friendly melting furnace group according to the present invention.

[0024] Figure 5 This is a schematic diagram of the annular sleeve structure of an energy-saving and environmentally friendly melting furnace assembly according to the present invention;

[0025] Figure 6 This is a schematic diagram of the internal structure of the heat-holding furnace component of an energy-saving and environmentally friendly melting furnace group according to the present invention.

[0026] Figure 7 This is a schematic cross-sectional view of the overall structure of an energy-saving and environmentally friendly melting furnace group according to the present invention.

[0027] In the diagram: 1. Base; 2. Support frame; 3. Melting platform; 4. Melting furnace; 5. First motor; 6. Discharge port; 7. Feed seat; 8. Injection assembly; 801. Fixing frame; 802. Electrically controlled push rod; 803. Lifting seat; 804. Injection head; 805. Stretching seat; 806. Extension rod; 807. Sliding frame; 808. Electromagnet; 9. Second motor; 10. Rotating disk; 11. Mounting seat; 12. Insulation furnace assembly; 1201. Insulation layer; 1202. Hydraulic cylinder; 1203. Push plate; 1204. Insulation furnace; 1205. Discharge chute; 1206. Feed chute; 1207. Annular sleeve; 1208. Connecting interface; 1209. Discharge pipe; 1210. Driven gear; 1211. Third motor; 1212. Drive gear. Detailed Implementation

[0028] Please see Figures 1 to 7 The present invention provides a technical solution: an energy-saving and environmentally friendly melting furnace assembly, comprising a base 1, a charging assembly 8, and a holding furnace assembly 12. A support frame 2 is provided on the outer side of the top of the base 1, and a melting platform 3 is mounted on the top of the support frame 2. A melting furnace 4 is mounted on the inner side of the melting platform 3, and a first motor 5 is mounted on the outer end of the melting platform 3. A discharge port 6 is provided on the outer end of the melting furnace 4, and a feeding seat 7 is provided on the outer side of the top of the melting platform 3. The charging assembly 8 is mounted on the outer end of the melting platform 3, and the charging assembly 8 includes a fixing frame 801, an electrically controlled push rod 802, and a lifting seat. The fixture 801 includes an injection head 804, a tension seat 805, an extension rod 806, a sliding frame 807, and an electromagnet 808. An electrically controlled push rod 802 is installed on the outer bottom of the fixture 801, and a lifting seat 803 is installed at the output end of the electrically controlled push rod 802. The outer end of the lifting seat 803 is connected to the injection head 804. The tension seat 805 is installed on the outer bottom of the fixture 801, and an extension rod 806 is installed inside the tension seat 805. The outer end of the extension rod 806 is connected to the sliding frame 807. An electromagnet 808 is installed inside the tension seat 805.

[0029] Please see Figures 1 to 7The first motor 5 drives the melting platform 3 to rotate, and the molten metal in the melting platform 3 flows out from the outlet 6. The electric control push rod 802 drives the lifting seat 803 and the injection head 804 to rise and fall, and the rotation of the melting platform 3 causes the outlet 6 to extend into the top of the injection head 804. The extension rod 806 is fixedly connected to the sliding frame 807, and the sliding frame 807 is sleeved with the injection head 804. The extension rod 806 is sleeved with the stretching seat 805, and the electromagnet 808 is electromagnetically attracted to the extension rod 806. The second motor 9 is installed on the inner side of the bottom of the base 1. The output end of the machine 9 is equipped with a rotating disk 10, and a mounting base 11 is provided on the outer side of the top of the rotating disk 10. The heat preservation furnace assembly 12 is installed inside the mounting base 11. The second motor 9 drives the rotating disk 10 to rotate, and the mounting base 11 is arranged in a ring array at the top of the rotating disk 10. The heat preservation furnace assembly 12 includes a heat insulation layer 1201, a hydraulic cylinder 1202, a push plate 1203, a heat preservation furnace 1204, a discharge chute 1205, a feed chute 1206, an annular sleeve 1207, a docking interface 1208, a discharge pipe 1209, and a driven gear 1210. The system includes a third motor 1211 and a drive gear 1212. A hydraulic cylinder 1202 is installed on the inner bottom side of the insulation layer 1201, and a push plate 1203 is installed at the output end of the hydraulic cylinder 1202. A heat-insulating furnace 1204 is installed inside the insulation layer 1201, and a discharge chute 1205 is opened at the outer end of the heat-insulating furnace 1204. A feed chute 1206 is opened on the outer top of the heat-insulating furnace 1204, and an annular sleeve 1207 is installed on the outer top of the annular sleeve 1207, with a mating interface 1208 on the outer top of the annular sleeve 1207. The outer end of the sleeve 1207 is connected to the discharge pipe 1209. The bottom outer side of the annular sleeve 1207 is provided with a driven gear 1210. The outer end of the heat insulation layer 1201 is equipped with a third motor 1211, and the output end of the third motor 1211 is connected to the driving gear 1212. The push plate 1203 is placed inside the heat preservation furnace 1204, and the inner contour of the heat preservation furnace 1204 matches the outer contour of the push plate 1203. The third motor 1211 drives the driving gear 1212 to rotate, and the driving gear 1212 meshes with the driven gear 1210.

[0030] The specific operation is as follows: Workers can feed metal ore into the melting furnace 4 through the feeding seat 7. The melting furnace 4 melts the metal ore into molten metal. After melting, the electric control push rod 802 moves the lifting seat 803, causing the injection head 804 to move downwards. This allows the bottom of the injection head 804 to extend into the interface 1208. At this time, the first motor 5 rotates the melting furnace 4 within the melting platform 3, allowing the melting furnace 4 to tilt. After tilting, the discharge port 6 extends into the funnel at the top of the injection head 804. This allows the molten metal inside the melting furnace 4 to enter the interface 1208 through the guidance of the injection head 804. The interface 1208 and the feeding trough 1... The connection at 206 allows molten metal to enter the holding furnace 1204 for heat preservation. Because both the injection head 804 and the top of the interface 1208 adopt a funnel-shaped structure, there is a large fit tolerance between the discharge port 6 and the injection head 804, and between the injection head 804 and the interface 1208. This allows for a large adjustment gap in the rotation angle of the melting furnace 4 and the lifting height of the injection head 804, greatly facilitating the discharge of material from the melting furnace 4 when the amount of molten metal inside is low. Furthermore, during the lifting process, the injection head 804 can drive the sliding frame 807 and the extension rod 806 to move synchronously through the friction between itself and the sliding frame 807. Meanwhile, the electromagnet 808 inside the stretching seat 805 can attract and fix the extension rod 806. In this case, the injection head 804 will not cause the sliding frame 807 to shift during the lifting and lowering process. Through this design, when molten metal residue cools and adheres to the inside of the injection head 804, the staggered arrangement of the sliding frame 807 and the injection head 804 generates shear stress on the residue, effectively separating it from the injection head 804. This operation effectively prevents the injection head 804 from becoming clogged due to excessive residue during long-term use. The hydraulic cylinder 1202 drives the push plate 1203 to shift within the holding furnace 1204, allowing for changes in the volume of the holding furnace 1204. This design enables the equipment to freely adjust the holding furnace 1204. With a volume of 204, the furnace 1204 allows operators to precisely ensure the amount of molten metal required for die casting simply by filling it. This greatly simplifies the operation process and improves the quantitative accuracy of the equipment. Furthermore, when manufacturing different die castings, the height of the push plate 1203 within the furnace 1204 can be adjusted to accommodate different volumes of die castings, thus expanding the equipment's adaptability. After the furnace 1204 is filled with molten metal, the third motor 1211 drives the drive gear 1212 to rotate, which in turn causes the driven gear 1210 to rotate the annular sleeve 1207. This allows the feed chute 1206 to intersect with the interface 1208, ensuring a seal within the furnace 1204.The second motor 9 drives the rotating disk 10 to rotate, which in turn drives the mounting base 11 to rotate. This allows the mounting base 11 to rotate and reposition the holding furnace assembly 12, moving it closer to the die-casting machine. At this point, the third motor 1211 rotates again, causing the annular sleeve 1207 to rotate to the point where the discharge pipe 1209 connects with the discharge trough 1205. This also allows the discharge pipe 1209 to rotate and connect with the die-casting machine. Then, the hydraulic cylinder 1202 drives the push plate 1203 to push upwards, pushing the molten metal in the holding furnace 1204 into the die-casting machine for die casting. Because the die-casting speed of the die-casting machine is higher than the melting speed, and to ensure accurate molten metal measurement, the amount of molten metal melted in each batch of the melting furnace is equal to the amount of die-casting. That is, when all the molten metal from the first batch of the melting furnace has entered the die-casting machine for die casting, the second batch of aluminum liquid in the melting furnace has not been completely melted, resulting in no molten metal supply to the die-casting machine. When die casting is stopped and restarted, both the holding furnace and the die casting mold need to be heated to near the temperature of the molten metal, resulting in intermittent die casting, low production efficiency, and high energy consumption. This application uses a large-volume melting furnace 4 and a holding furnace 1204 with controllable internal volume, enabling the equipment to melt a large amount of metal at once while ensuring precise metering of the molten metal. The use of a rotating disc 10 to drive the holding furnace assembly 12 in a cyclical rotation further improves die casting efficiency. The pusher plate 1203, in addition to its metering function, also pushes the molten metal into the die casting machine, allowing for integrated equipment functionality. This integration reduces production costs and effectively improves equipment efficiency. Furthermore, the use of the annular sleeve 1207 enables rapid feeding and discharging of molten metal without replacing parts or making significant adjustments to the equipment's position and shape, further enhancing efficiency.

[0031] In summary, this energy-saving and environmentally friendly melting furnace unit allows operators to first feed metal ore into the melting furnace 4 via the feeding seat 7. The melting furnace 4 then melts the metal ore into molten metal. After melting, the electric control push rod 802 activates the lifting seat 803, causing the injection head 804 to move downwards. This allows the bottom of the injection head 804 to extend into the interface 1208. At this point, the first motor 5 activates, causing the melting furnace 4 to rotate and adjust within the melting platform 3. This allows the melting furnace 4 to tilt. After tilting, the discharge port 6 extends into the funnel at the top of the injection head 804, allowing the molten metal inside the melting furnace 4 to enter the interface 1208 through the guidance of the injection head 804. The interface 1208 is connected to the feeding trough 1206, allowing the molten metal to enter the holding furnace 1204 for heat preservation.

[0032] Furthermore, because both the injection head 804 and the top of the interface 1208 adopt a funnel-shaped structure, there is a large fit tolerance between the discharge port 6 and the injection head 804, and between the injection head 804 and the interface 1208. This allows for a large adjustment gap in the rotation angle of the melting furnace 4 and the lifting height of the injection head 804, which greatly facilitates the discharge of material from the melting furnace 4 when there is a small amount of molten metal inside. In addition, during the lifting process, the injection head 804 can drive the sliding frame 807 and the extension rod 806 to move synchronously through the friction between itself and the sliding frame 807, and through the tension seat 805... When the electromagnet 808 of the part is working, it can attract and fix the extension rod 806. At this time, the injection head 804 will not drive the sliding frame 807 to move during the lifting and lowering process. Through this design, when the molten metal residue inside the injection head 804 cools and adheres to the inside of the injection head 804, by making the sliding frame 807 and the injection head 804 interlaced, shear stress can be generated on the residue. This can effectively separate the residue from the injection head 804. Through this operation, the blockage of the injection head 804 caused by excessive residue inside the injection head 804 during long-term use can be effectively avoided.

[0033] Next, the hydraulic cylinder 1202 operates, which drives the push plate 1203 to move inside the holding furnace 1204. This allows the volume of the holding furnace 1204 to be changed. Through this design, the equipment can freely adjust the volume of the holding furnace 1204. During operation, the operator only needs to fill the holding furnace 1204 to accurately ensure the amount of molten metal required for die casting. This greatly simplifies the operation process of the equipment and improves the quantitative accuracy of the equipment. In addition, when the equipment manufactures different die castings, it is only necessary to adjust the height of the push plate 1203 inside the holding furnace 1204 to adapt the equipment to die castings of different volumes, which improves the adaptability of the equipment.

[0034] Finally, after the holding furnace 1204 is filled with molten metal, the third motor 1211 drives the drive gear 1212 to rotate, which in turn drives the driven gear 1210 to rotate the annular sleeve 1207. This allows the feed chute 1206 to intersect with the interface 1208, thus sealing the holding furnace 1204. Meanwhile, the second motor 9 drives the rotating disk 10 to rotate, which in turn drives the mounting base 11 to rotate. This allows the mounting base 11 to rotate and reposition the holding furnace assembly 12, enabling the holding furnace assembly 12 to move to a position closer to the target area. Near the die-casting machine, the third motor 1211 rotates again, causing the annular sleeve 1207 to rotate to the point where the discharge pipe 1209 connects with the discharge trough 1205. This also causes the discharge pipe 1209 to rotate and connect with the die-casting machine. At this point, the hydraulic cylinder 1202 drives the push plate 1203 upwards, pushing the molten metal in the holding furnace 1204 into the die-casting machine, thus achieving die casting. Because the die-casting speed of the die-casting machine is higher than the melting speed, and to ensure precise quantitative measurement of the molten metal, the amount of metal melted in each furnace is equal to the amount of metal cast. When the first batch of molten metal from the melting furnace is completely deposited into the die-casting machine, the second batch of molten aluminum from the melting furnace is not fully melted, causing the die-casting machine to stop due to a lack of molten metal supply. When the die-casting machine is restarted, both the holding furnace and the die-casting mold need to be heated to approach the temperature of the molten metal, resulting in intermittent die-casting, low production efficiency, and high energy consumption. This application uses a large-volume melting furnace 4 and a holding furnace 1204 with controllable internal volume, which enables the equipment to melt a large amount of metal at once while ensuring precise quantitative measurement of the molten metal. The use of a rotating disc 10 to drive the holding furnace assembly 12 to rotate in a cycle further improves the die-casting efficiency. In addition to its quantitative function, the pusher plate 1203 also pushes the molten metal into the die-casting machine, which integrates the functions of the equipment. This integration reduces the production cost of the equipment and effectively improves its working efficiency. Furthermore, the use of the annular sleeve 1207 allows the equipment to achieve rapid feeding and discharging of molten metal without replacing parts or making large-scale adjustments to the equipment's position and shape, further improving the equipment's working efficiency.

[0035] The embodiments of the present invention are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the invention to the forms disclosed. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described in order to better illustrate the principles and practical application of the invention, and to enable those skilled in the art to understand the invention and to design various embodiments with various modifications suitable for a particular purpose.

Claims

1. An energy-saving and environmentally friendly melting furnace assembly, characterized in that, The system includes a base (1), a material injection assembly (8), and a heat preservation furnace assembly (12). A support frame (2) is provided on the outer side of the top of the base (1), and a melting platform (3) is placed on the top of the support frame (2). A melting furnace (4) is placed on the inner side of the melting platform (3), and a first motor (5) is placed on the outer end of the melting platform (3). A discharge port (6) is provided on the outer end of the melting furnace (4), and a feeding seat (7) is provided on the outer side of the top of the melting platform (3). A material injection assembly (8) is placed on the outer end of the melting platform (3). The material injection assembly (8) includes a fixed frame (801), an electrically controlled push rod (802), a lifting seat (803), an injection head (804), a stretching seat (805), an extension rod (806), and a sliding mechanism. The frame (807) and electromagnet (808) are arranged. An electrically controlled push rod (802) is installed on the bottom outer side of the fixed frame (801), and a lifting seat (803) is installed at the output end of the electrically controlled push rod (802). An injection head (804) is connected to the outer end of the lifting seat (803). A stretching seat (805) is installed on the bottom outer side of the fixed frame (801), and an extension rod (806) is installed inside the stretching seat (805). A sliding frame (807) is connected to the outer end of the extension rod (806). An electromagnet (808) is installed inside the stretching seat (805). The first motor (5) drives the melting table (3) to rotate, and the molten metal in the melting table (3) flows out from the discharge port (6). The electrically controlled push rod (807) and electromagnet (808) are arranged on the bottom outer side of the fixed frame (801), and an electromagnet (808) is installed inside the stretching seat (805). The electrically controlled push rod (802) is installed on the bottom outer side of the fixed frame (801), and an extension rod (806) is installed inside the stretching seat (805). The extension rod (806) is connected to the outer end of the sliding frame (807), and an electromagnet (808) is installed inside the stretching seat (805). The first motor (5) drives the melting table (3) to rotate, and the molten metal in the melting table (3) flows out from the discharge port (6). The rod (802) drives the lifting seat (803) and the injection head (804) to rise and fall, and the melting table (3) rotates to drive the discharge port (6) to extend into the top of the injection head (804). The extension rod (806) is fixedly connected to the sliding frame (807), and the sliding frame (807) is sleeved to the injection head (804). The extension rod (806) is sleeved to the stretching seat (805), and the electromagnet (808) is electromagnetically attracted to the extension rod (806). A second motor (9) is installed on the inner side of the bottom of the base (1), and a rotating disk (10) is provided at the output end of the second motor (9). A mounting seat (11) is provided on the outer side of the top of the rotating disk (10), and a heat preservation furnace assembly is installed inside the mounting seat (11). (12) The second motor (9) drives the rotating disk (10) to rotate, and the mounting base (11) is arranged in a ring array at the top of the rotating disk (10). The heat preservation furnace assembly (12) includes a heat insulation layer (1201), a hydraulic cylinder (1202), a push plate (1203), a heat preservation furnace (1204), a discharge chute (1205), a feed chute (1206), an annular sleeve (1207), a docking interface (1208), a discharge pipe (1209), a driven gear (1210), a third motor (1211), and a driving gear (1212). The bottom inner side of the heat insulation layer (1201) is equipped with a hydraulic cylinder (1202), and the output end of the hydraulic cylinder (1202) is equipped with a push plate (1203).The heat insulation layer (1201) houses a heat-insulating furnace (1204), and the outer end of the heat-insulating furnace (1204) is provided with a discharge chute (1205). A feed chute (1206) is provided on the outer top of the heat-insulating furnace (1204). An annular sleeve (1207) is provided on the outer top of the heat-insulating furnace (1204), and a connecting port (1208) is provided on the outer top of the annular sleeve (1207). A discharge pipe (1209) is connected to the outer end of the annular sleeve (1207). The outer bottom of the annular sleeve (1207) is also provided with a discharge port (1209). A driven gear (1210) is provided. A third motor (1211) is mounted on the outer end of the heat insulation layer (1201), and the output end of the third motor (1211) is connected to a driving gear (1212). The push plate (1203) is placed inside the heat preservation furnace (1204), and the inner contour of the heat preservation furnace (1204) matches the outer contour of the push plate (1203). The third motor (1211) drives the driving gear (1212) to rotate, and the driving gear (1212) meshes with the driven gear (1210).

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