Raw material melting device for die castings

Abstract

The invention relates to the technical field of die casting raw material melting, in particular to a die casting raw material melting device which comprises a furnace body and a top cover, the top cover can be vertically and movably installed on the furnace body, the die casting raw material melting device further comprises an impurity removing assembly, a bubble removing assembly and a driving assembly, and the impurity removing assembly comprises a barrel shaft, a partition plate, a plurality of overturning plates, a plurality of opening and closing mechanisms and an annular filter plate; the cylinder shaft penetrates through the top cover and is rotationally connected with the top cover, the partition plate can be horizontally and rotationally installed on the periphery of the cylinder shaft, and a plurality of through semicircular grooves are formed in the top of the partition plate and circumferentially distributed in the position, close to the cylinder shaft, of the partition plate. The inclined overturning plate rotates around the barrel shaft, molten metal forms backflow in the furnace body, impurities are filtered out through the annular filter plate and the partition plate, the fan blades vibrate at a high speed, air in the molten metal is discharged in a bubble mode, and the product quality of die castings can be improved.

Description

Technical Field

[0001] The invention relates to the technical field of raw material melting of die castings, and in particular to a raw material melting device for die castings. Background Art

[0002] Die casting is a metal casting process. Its principle is to use the inner cavity of the mold to apply high pressure to the molten metal, so that the liquid or semi-liquid metal is filled into the mold cavity at high speed and high pressure, and is formed and solidified under pressure to obtain a casting. Die casting technology is widely used in the production of automotive parts, electronic equipment housings, hardware accessories and other products due to its advantages such as high production efficiency, high dimensional accuracy, high material utilization rate and the ability to manufacture complex shapes.

[0003] The melting of die-casting raw materials is one of the key links in the die-casting process, and a furnace is usually used for melting. During the melting process, proper stirring can be performed to ensure that the temperature and composition of the molten metal are uniform, which helps to improve the quality of the casting. For example, a raw material melting device for automotive die-casting parts with Chinese patent publication number CN117346530B includes a furnace, a heating device and a discharge pipe; it also includes a mounting frame, and the lifting assembly includes a lifting drive mechanism and a cover plate; this solution can stir the metal raw material by flipping the stirring plate. When the stirring plate is opened, the efficiency of raw material melting can be improved. When the stirring plate is closed, impurities in the molten metal can be fished out to improve the quality of the die-casting parts.

[0004] However, the following problems still exist: first, it is not convenient to remove the gas in the molten metal, which may easily lead to defects such as pores in the casting; second, due to the flow of the molten metal during stirring, some impurities may easily flow to the bottom of the furnace through the chute at the stirring plate, making it impossible to salvage them, and the effect of removing impurities needs to be improved. Summary of the invention

[0005] The object of the present invention is to provide a raw material melting device for die castings, which can further improve the removal effect of impurities in molten metal and degas the molten metal, thereby improving the quality of castings.

[0006] To achieve this object, the present invention adopts the following technical solutions: Provided is a raw material melting device for die castings, comprising a furnace body and a top cover, the top cover can be vertically movably installed on the furnace body, and also comprises an impurity removal component, a bubble removal component and a driving component, the impurity removal component comprises a barrel shaft, a partition, a plurality of flip plates, a plurality of opening and closing mechanisms, an annular filter plate and a plurality of torsion springs, the barrel shaft passes through the top cover and is rotatably connected thereto, the partition can be horizontally rotatably installed on the outer periphery of the barrel shaft, a plurality of semicircular grooves penetrating therethrough are provided on the top of the partition, a plurality of semicircular grooves are circumferentially distributed on the partition near the barrel shaft, the flip plate is rotatably connected to the inner wall of the semicircular groove, the torsion spring is sleeved on the outer periphery of one end of the flip plate, one end of the torsion spring is fixedly connected to the flip plate, and the other end of the torsion spring is fixedly connected to the inner wall of the semicircular groove, the top of the annular filter plate is fixedly connected to the bottom of the top cover, the bottom of the annular filter plate is an inclined structure away from the barrel shaft, the outer periphery of the annular filter plate and the outer periphery of the partition are both in contact with the inner wall of the furnace body, the opening and closing mechanism comprises a fan-shaped box body, The clamping block, the pushing block and the hydraulic rod, the fan-shaped box body is located on one side of the semicircular groove, the top of the fan-shaped box body is fixedly connected to the bottom of the partition, one side of the clamping block is an inclined structure and passes through the side wall of the fan-shaped box body and is slidably connected to it, one side of the pushing block is slidably connected to the other side of the clamping block and conflicts with each other, one end of the hydraulic rod is fixedly connected to the inner wall of the fan-shaped box body, the telescopic end of the hydraulic rod is fixedly connected to one end of the pushing block, a plurality of penetrating filter holes are provided on the top of the partition and the top of the annular filter plate, the bubble removal assembly and the driving assembly are both installed in the furnace body, the bubble removal assembly is used to discharge the air inside the molten metal, and the driving assembly is used to drive the impurity removal assembly and the bubble removal assembly to work, when the pushing block is located at one end of the fan-shaped box body, the top of the clamping block conflicts with the bottom of the flip plate, and the flip plate is in a horizontal state, and when the pushing block is located at the other end of the fan-shaped box body, the inclined surface on one side of the clamping block conflicts with the bottom of the flip plate, and the flip plate is in an inclined state.

[0007] Preferably, the bubble removal assembly includes a rotating shaft, a plurality of fan blades, a telescopic locking mechanism and a pair of vibration mechanisms. The rotating shaft can be vertically movably installed on the cylindrical shaft through the telescopic locking mechanism. The plurality of fan blades are distributed in a circle around the periphery of the rotating shaft and are fixedly connected thereto. The fan blades are arranged at an angle. Two vibration mechanisms are symmetrically installed on both sides of the rotating shaft. The vibration mechanism is used to drive the plurality of fan blades to vibrate at high speed.

[0008] Preferably, the vibration mechanism includes a knocking block and a pair of tension springs, one end of the tension spring is fixedly connected to the bottom of the knocking block, a pair of trapezoidal grooves are provided at the top of the rotating shaft, the other end of the tension spring is fixedly connected to the bottom of the trapezoidal groove, one end of the knocking block is slidably connected to the trapezoidal groove and contacts with its bottom wall, an annular groove is provided on the inner wall of the cylindrical shaft, a plurality of protrusions are fixedly connected to the bottom wall of the annular groove, and the other end of the knocking block is slidably connected to the annular groove and contacts with the top of the protrusion.

[0009] Preferably, the telescopic locking mechanism includes a rotating ring and a pair of return springs, the bottom of the rotating ring is fixedly connected to one end of the return spring, the other end of the return spring is fixedly connected to the top of the rotating shaft, a limiting groove and a pair of vertical grooves are provided on the inner wall of the cylindrical shaft, the limiting groove is rotatably connected to the rotating ring, the bottom of the vertical groove is connected to the annular groove, and the knocking block is slidably connected to the vertical groove.

[0010] Preferably, the telescopic locking mechanism also includes an insert block and a sleeve block, the bottom of the sleeve block is fixedly connected to the bottom wall of the furnace body, a slot is provided on the top of the sleeve block, the top of the insert block is fixedly connected to the bottom of the rotating shaft, the insert block is plugged into the slot and contacts the inner wall thereof.

[0011] Preferably, the telescopic locking mechanism also includes a stop block and a pair of thrust springs, the stop block is slidably connected to the inner wall of the slot, one end of the thrust spring is fixedly connected to the bottom of the stop block, and the other end of the thrust spring is fixedly connected to the bottom wall of the slot, and the top of the stop block and the bottom of the plug block are in conflict with each other.

[0012] Preferably, the opening and closing mechanism also includes an insert rod and a reverse pushing mechanism, both ends of the insert rod respectively pass through the side walls at both ends of the fan-shaped box body and are slidably connected thereto, a plurality of circular holes are provided on the periphery of the cylinder shaft and the inner wall of the furnace body, and the reverse pushing mechanism is installed in the fan-shaped box body, and the reverse pushing mechanism is used to drive the insert rod and the push block to move in opposite directions. When the push block is located at one end of the fan-shaped box body, one end of the insert rod is plugged into and matched with the circular hole on the periphery of the cylinder shaft, and the other end of the insert rod is separated from the circular hole on the inner wall of the furnace body; when the push block is located at the other end of the fan-shaped box body, one end of the insert rod is separated from the circular hole on the periphery of the cylinder shaft, and the other end of the insert rod is plugged into and matched with the circular hole on the inner wall of the furnace body.

[0013] Preferably, the reverse pushing mechanism includes a spur gear and a pair of racks, the spur gear is rotatably connected to the inner wall of the fan-shaped box body, the two racks are fixedly connected to the opposite side of the push block and the insertion rod, the spur gear is located between the two racks and the rack and the spur gear are meshed with each other.

[0014] Preferably, the drive assembly includes a frame, a hydraulic cylinder, a motor and a pair of bevel gears, the bottom of the frame is fixedly connected to the top of the furnace body, one end of the top cover is slidably connected to the frame, the top of the hydraulic cylinder passes through the frame and is fixedly connected thereto, the telescopic end of the hydraulic cylinder passes through the barrel shaft and is rotatably connected to the top of the rotating shaft, the bottom of the motor is fixedly connected to the bottom of the top cover, and the two bevel gears are meshed with each other, one of the bevel gears is coaxially connected to the outer periphery of the barrel shaft, and the other bevel gear is coaxially connected to the motor output shaft.

[0015] Beneficial effects of the present invention: 1. When the raw material is melted, the present invention keeps the flip plate in an inclined state and rotates around the cylinder axis, so that the raw material can be stirred, the melting is accelerated and the raw material is heated evenly. At the same time, after the raw material is fully melted into molten metal, the molten metal will be driven to flow to the top while stirring the molten metal. The flip plate is close to the cylinder axis, and the bottom of the annular filter plate is far away from the cylinder axis. Therefore, the molten metal will surge upward through the semicircular groove close to the cylinder axis, and flow back downward from a position far away from the cylinder axis to form a cycle. During the flow of the molten metal, the impurities contained in it will pass through the top of the annular filter plate and be filtered out by the filter holes, thereby further improving the impurity removal effect and improving the product quality of the die casting.

[0016] 2. When the telescopic locking mechanism of the present invention is extended, the rotating shaft and the cylindrical shaft can rotate relative to each other. At this time, the cylindrical shaft is rotated to drive the vibration mechanism to work, and the air in the molten metal is discharged in the form of bubbles through the high-speed vibration of the fan blades. When the telescopic locking mechanism is shortened, the rotating shaft and the cylindrical shaft rotate synchronously, so that the raw materials can be stirred by the fan blades, further improving the stirring effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments of the present invention. Obviously, the drawings described below are only some embodiments of the present invention, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 The three-dimensional structure of the present invention is shown in FIG. Figure 1 .

[0019] Figure 2 The three-dimensional structure of the present invention is shown in FIG. Figure 2 .

[0020] Figure 3 It is a schematic diagram of the furnace structure of the present invention.

[0021] Figure 4 The furnace structure of the present invention is a cross-sectional view Figure 1 .

[0022] Figure 5 The furnace structure of the present invention is a cross-sectional view Figure 2 .

[0023] Figure 6 It is a schematic diagram of the top cover structure of the present invention.

[0024] Figure 7 It is a bottom view of the partition structure of the present invention.

[0025] Figure 8 It is a cross-sectional view of the partition structure of the present invention.

[0026] Fig. 9 The opening and closing mechanism structure of the present invention is split Figure 1 .

[0027] Fig.10 The opening and closing mechanism structure of the present invention is split Figure 2 .

[0028] Fig.11 It is a structural exploded view of the bubble removal component of the present invention.

[0029] Fig.12 The cylindrical shaft structure of the present invention is a cross-sectional view Figure 1 .

[0030] Fig.13 The cylindrical shaft structure of the present invention is a cross-sectional view Figure 2 .

[0031] Fig.14 yes Figure 4 A magnified view of the structure at center.

[0032] In the figure: 1. Furnace body; 10. Round hole; 11. Top cover; 2. Impurity removal assembly; 20. Cylinder shaft; 200. Annular groove; 201. Protrusion; 202. Limiting groove; 203. Vertical groove; 21. Partition plate; 210. Semicircular groove; 22. Turning plate; 23. Opening and closing mechanism; 230. Fan-shaped box body; 231. Block; 232. Push block; 233. Hydraulic rod; 234. Insert rod; 24. Reverse pushing mechanism; 240. Spur gear; 241. Rack; 25. Annular filter plate; 250. Filter hole; 26. Torsion spring; 3. Bubble removal assembly; 30. Rotating shaft; 300. Trapezoidal groove; 31. Fan blade; 32. Telescopic locking mechanism; 320. Rotating ring; 321. Reset spring; 322. Insert block; 323. Socket block; 324. Slot; 325. Abutment block; 326. Thrust spring; 33. Vibration mechanism; 330. Knocking block; 331. Tension spring; 4. Driving assembly; 40. Frame; 41. Hydraulic cylinder; 42. Motor; 43. Bevel gear. DETAILED DESCRIPTION

[0033] The technical solution of the present invention is further described below with reference to the accompanying drawings and through specific implementation methods.

[0034] Among them, the drawings are only used for illustrative explanations, and they only represent schematic diagrams rather than actual pictures, and should not be understood as limitations on this patent; in order to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted.

[0035] The same or similar numbers in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms describing the position relationship in the drawings are only used for illustrative purposes and cannot be understood as a limitation on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0036] In the description of the present invention, unless otherwise clearly specified and limited, if the term "connection" or the like appears to indicate the connection relationship between components, the term should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two components or the interaction relationship between two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0037] like Figures 1 to 14 As shown: A raw material melting device for die castings includes a furnace body 1 and a top cover 11. The top cover 11 can be installed on the furnace body 1 in a vertically movable manner. The top cover 11 can be moved up and opened to facilitate loading. The top cover 11 can be lowered and fit against the furnace body 1 to seal the furnace body 1 to melt the raw materials. It also includes an impurity removal component 2, a bubble removal component 3 and a drive component 4. The impurity removal component 2 includes a cylindrical shaft 20, a partition 21, a plurality of flip plates 22, a plurality of opening and closing mechanisms 23, an annular filter plate 25 and a plurality of torsion springs 26. The cylindrical shaft 20 passes through the top cover 11 and is rotatably connected thereto. The partition 21 can be installed horizontally and rotatably on the periphery of the cylindrical shaft 20. A plurality of semicircular grooves 210 are provided on the top of the partition 21. The plurality of semicircular grooves 210 are circumferentially distributed on the partition 21 near the cylindrical shaft 20. The flip plate 22 is rotatably connected to the inner wall of the semicircular groove 210. The torsion spring 26 is sleeved on the periphery of one end of the flip plate 22. One end of the torsion spring 26 is fixedly connected to the flip plate 22. Then, the other end of the torsion spring 26 is fixedly connected to the inner wall of the semicircular groove 210, the top of the annular filter plate 25 is fixedly connected to the bottom of the top cover 11, the bottom of the annular filter plate 25 is a slope structure away from the barrel shaft 20, the outer periphery of the annular filter plate 25 and the outer periphery of the partition plate 21 are both in contact with the inner wall of the furnace body 1. When the raw materials are melted, the raw materials are poured into the furnace body 1 and the top cover 11 is covered. The torsion spring 26 rebounds and drives the flip plate 22 to rotate and open, and keeps it in an inclined state. At this time, the barrel shaft 20 is rotated, and the partition plate 21 is coaxially driven with the barrel shaft 20, driving multiple flip plates 22 to rotate around the barrel shaft 20, which can stir the raw materials, accelerate melting and make the raw materials heated evenly. At the same time, since the flip plate 22 is in an inclined state, after the raw material is fully melted into molten metal, the molten metal will be driven to flow to the top while being stirred. The flip plate 22 is close to the barrel shaft 20, and the bottom of the annular filter plate 25 is far away from the barrel shaft 20. Therefore, the molten metal will surge upward through the semicircular groove 210 close to the barrel shaft 20, and flow back downward from a position far away from the barrel shaft 20 to form a circulation. During the flow of the molten metal, impurities contained in it will pass through the top of the annular filter plate 25 and be filtered out by the filter hole 250, thereby further improving the impurity removal effect and improving the product quality of the die-casting.The opening and closing mechanism 23 includes a fan-shaped box body 230, a block 231, a push block 232 and a hydraulic rod 233. The fan-shaped box body 230 is located on one side of the semicircular groove 210. The top of the fan-shaped box body 230 is fixedly connected to the bottom of the partition 21. One side of the block 231 is a slope structure and passes through the side wall of the fan-shaped box body 230 and is slidably connected thereto. One side of the push block 232 is slidably connected to the other side of the block 231 and conflicts with each other. One end of the hydraulic rod 233 is fixedly connected to the inner wall of the fan-shaped box body 230. The telescopic end of the hydraulic rod 233 is fixedly connected to one end of the push block 232. A plurality of penetrating filter holes 250 are provided on the top of the partition 21 and the top of the annular filter plate 25. The push block 232 is driven to move by the hydraulic rod 233 to change the block 2 The position of the flip plate 231 is controlled to control the opening and closing of the flip plate 22, and because the torsion spring 26 is always in a compressed state, the inclined structure on one side of the block 231 supports the flip plate 22, and the torsion spring 26 rebounds and pushes the flip plate 22, so that the flip plate 22 is fixed so that it is always in an inclined state after opening, thereby driving the molten metal to surge up. When removing impurities, the flip plate 22 is opened, so that impurities can move upward to the top of the partition 21 through the semicircular groove 210. When the impurity removal is completed, the flip plate 22 is closed, and then the top cover 11 is opened, and the molten metal falls back into the furnace body 1 through the filter hole 250, and the impurities are filtered out along with the partition 21 and the annular filter plate 25, further ensuring that the impurities are filtered out and preventing the impurities from falling back. The bubble removal component 3 and the driving component 4 are both installed in the furnace body 1. The bubble removal component 3 is used to discharge the air inside the molten metal, and the driving component 4 is used to drive the impurity removal component 2 and the bubble removal component 3 to work. When the push block 232 is located at one end of the fan-shaped box body 230, the top of the block 231 and the bottom of the flip plate 22 are in conflict with each other, and the flip plate 22 is in a horizontal state. At this time, the semicircular groove 210 on the partition 21 is closed by the flip plate 22, so that impurities cannot fall. When the push block 232 is located at the other end of the fan-shaped box body 230, the inclined surface on one side of the block 231 conflicts with the bottom of the flip plate 22, and the flip plate 22 is in an inclined state. At this time, the semicircular groove 210 is opened, and the impurities can be driven by the inclined flip plate 22 to follow the molten metal through the semicircular groove 210.

[0038] like Figures 1 to 14 As shown: The bubble removal assembly 3 includes a rotating shaft 30, a plurality of blades 31, a telescopic locking mechanism 32 and a pair of vibration mechanisms 33. The rotating shaft 30 can be vertically moved and installed on the cylindrical shaft 20 through the telescopic locking mechanism 32. The plurality of blades 31 are circumferentially distributed on the periphery of the rotating shaft 30 and are fixedly connected thereto. The blades 31 are arranged in an inclined manner. Two vibration mechanisms 33 are symmetrically installed on both sides of the rotating shaft 30. The vibration mechanism 33 is used to drive the plurality of blades 31 to shake at high speed. When the telescopic locking mechanism 32 is extended, the rotating shaft 30 and the cylindrical shaft 20 can rotate relative to each other. At this time, the cylindrical shaft 20 is rotated, which can drive the vibration mechanism 33 to work, and the air in the molten metal is discharged in the form of bubbles through the high-speed vibration of the blades 31. When the telescopic locking mechanism 32 is shortened, the rotating shaft 30 and the cylindrical shaft 20 rotate synchronously, so that the raw materials can be stirred by the blades 31, further improving the stirring effect.

[0039] like Figures 1 to 13 As shown: The vibration mechanism 33 includes a knocking block 330 and a pair of tension springs 331, one end of the tension spring 331 is fixedly connected to the bottom of the knocking block 330, a pair of trapezoidal grooves 300 are opened at the top of the rotating shaft 30, the other end of the tension spring 331 is fixedly connected to the bottom of the trapezoidal groove 300, one end of the knocking block 330 is slidably connected to the trapezoidal groove 300 and contacts with its bottom wall, an annular groove 200 is opened on the inner wall of the cylindrical shaft 20, and a plurality of protrusions 201 are fixedly connected to the bottom wall of the annular groove 200, and the other end of the knocking block 330 is slidably connected to the annular groove 200 and contacts with the top of the protrusion 201. When removing bubbles, the rotating shaft 30 is stationary by extending the telescopic locking mechanism 32. At this time, the knocking block 330 is located in the annular groove 200. Then the cylindrical shaft 20 is rotated, driving the multiple protrusions 201 to rotate. The protrusions 201 lift the knocking block 330, causing the tension spring 331 to be stretched. Then the tension spring 331 rebounds and drives the knocking block 330 to fall back and hit the bottom wall of the trapezoidal groove 300, causing the rotating shaft 30 to vibrate. In addition, the multiple protrusions 201 rotate rapidly, causing the knocking block 330 to hit the rotating shaft 30 quickly and continuously. The vibration is continuously transmitted to the multiple blades through the rotating shaft 30, so that the gas in the molten metal is separated. The contact area is increased by multiple fan blades 31 to further improve the degassing efficiency.

[0040] like Figures 1 to 14 As shown: The telescopic locking mechanism 32 includes a rotating ring 320 and a pair of return springs 321. The bottom of the rotating ring 320 is fixedly connected to one end of the return spring 321, and the other end of the return spring 321 is fixedly connected to the top of the rotating shaft 30. The inner wall of the cylindrical shaft 20 is provided with a limiting groove 202 and a pair of vertical grooves 203. The limiting groove 202 is rotatably connected to the rotating ring 320, and the bottom of the vertical groove 203 is connected to the annular groove 200. The knocking block 330 is slidably connected to the vertical groove 203. When the top cover 11 is closed, the return spring 321 is in a relaxed state, and the knocking block 330 is located in the vertical groove 203, so that the cylindrical shaft 20 rotates, which can drive the rotating shaft 30 to rotate synchronously. When the rotating shaft 30 moves down and the knocking block 330 slides into the annular groove 200, the return spring 321 is stretched to fix the rotating shaft 30. At this time, the cylindrical shaft 20 is rotated, the rotating ring 320 rotates in the limiting groove 202, and the knocking block 330 slides in the annular groove 200, so that the rotating shaft 30 and the cylindrical shaft 20 can achieve relative rotation.

[0041] like Figures 1 to 14 As shown: The telescopic locking mechanism 32 also includes an insert block 322 and a sleeve block 323. The bottom of the sleeve block 323 is fixedly connected to the bottom wall of the furnace body 1. The top of the sleeve block 323 is provided with a slot 324. The top of the insert block 322 is fixedly connected to the bottom of the rotating shaft 30. The insert block 322 is plugged into the slot 324 and contacts the inner wall of the slot 324. When the reset spring 321 is stretched, the rotating shaft 30 moves downward to drive the insert block 322 to be inserted into the slot 324, and the insert block 322 and the inner wall of the sleeve block 323 are locked to each other, so that the rotating shaft 30 cannot rotate, thereby ensuring that the rotating shaft 30 will not be driven to rotate by friction when the cylindrical shaft 20 rotates.

[0042] like Figures 1 to 14 As shown: The telescopic locking mechanism 32 also includes a stopper 325 and a pair of thrust springs 326. The stopper 325 is slidably connected to the inner wall of the slot 324. One end of the thrust spring 326 is fixedly connected to the bottom of the stopper 325, and the other end of the thrust spring 326 is fixedly connected to the bottom wall of the slot 324. The top of the stopper 325 and the bottom of the insert block 322 are in contact with each other. When the insert block 322 is inserted into the slot 324, the stopper 325 is pushed down to squeeze the thrust spring 326 to compress it. When the insert block 322 leaves the slot 324, the thrust spring 326 rebounds to push the stopper 325 up to close the slot 324, preventing the raw materials from getting stuck in the slot 324 during the process of pouring the raw materials into the furnace body 1. The thrust spring 326 can also prevent the bottom of the rotating shaft 30 from colliding with the furnace body 1 due to vibration, thereby extending the service life of the device.

[0043] like Figures 1 to 10 As shown: The opening and closing mechanism 23 also includes an insertion rod 234 and a reverse pushing mechanism 24. The two ends of the insertion rod 234 respectively pass through the side walls of the fan-shaped box body 230 and are slidably connected thereto. A plurality of circular holes 10 are provided on the periphery of the cylinder shaft 20 and the inner wall of the furnace body 1. The reverse pushing mechanism 24 is installed in the fan-shaped box body 230. The reverse pushing mechanism 24 is used to drive the insertion rod 234 and the push block 232 to move in opposite directions. During the impurity removal process, one end of the insertion rod 234 is inserted into the circular hole 10 on the periphery of the cylinder shaft 20, so that the partition 21 rotates synchronously with the cylinder shaft 20 to drive them. During the degassing process, the other end of the insertion rod 234 is inserted into the circular hole 10 on the inner wall of the furnace body 1, so that the cylinder shaft 20 rotates and the partition 21 is stationary, so as to prevent the partition 21 from breaking up the bubbles and hindering the discharge of the bubbles. When the push block 232 is located at one end of the fan-shaped box body 230, one end of the plug rod 234 is plugged into the circular hole 10 on the outer periphery of the cylinder shaft 20, and the other end of the plug rod 234 is separated from the circular hole 10 on the inner wall of the furnace body 1. At this time, the partition 21 rotates synchronously with the cylinder shaft 20, so that the rotation of the cylinder shaft 20 can drive the partition 21 to rotate for impurity removal. When the push block 232 is located at the other end of the fan-shaped box body 230, one end of the plug rod 234 is separated from the circular hole 10 on the outer periphery of the cylinder shaft 20, and the other end of the plug rod 234 is plugged into the circular hole 10 on the inner wall of the furnace body 1. At this time, the partition 21 and the cylinder shaft 20 can rotate relative to each other, so that the partition 21 remains stationary during degassing.

[0044] like Figures 1 to 10 As shown: The reverse pushing mechanism 24 includes a spur gear 240 and a pair of racks 241. The spur gear 240 is rotatably connected to the inner wall of the sector box 230. The two racks 241 are fixedly connected to the opposite sides of the push block 232 and the insertion rod 234 respectively. The spur gear 240 is located between the two racks 241 and the racks 241 and the spur gear 240 are meshed with each other. When the hydraulic rod 233 works to push the push block 232 to move, it drives one of the racks 241 to move, and through the meshing transmission between the racks 241 and the spur gear 240, the spur gear 240 rotates, and the other rack 241 drives the insertion rod 234 to move, thereby realizing the reverse movement of the push block 232 and the insertion rod 234, so that the insertion rod 234 is plugged into the circular hole 10.

[0045] like Figures 1 to 13 As shown: The driving assembly 4 includes a frame 40, a hydraulic cylinder 41, a motor 42 and a pair of bevel gears 43. The bottom of the frame 40 is fixedly connected to the top of the furnace body 1, one end of the top cover 11 is slidably connected to the frame 40, the top of the hydraulic cylinder 41 passes through the frame 40 and is fixedly connected thereto, the telescopic end of the hydraulic cylinder 41 passes through the barrel shaft 20 and is rotatably connected to the top of the rotating shaft 30, so that the hydraulic cylinder 41 works, and its telescopic end drives the rotating shaft 30 to move up and down. When moving up, the return spring 321 rebounds to shorten the telescopic locking mechanism 32, and the barrel shaft 20 moves up with the rotating shaft 30, driving the top cover 11 to slide upward along the frame 40 and open, otherwise, the top cover 11 is closed and the telescopic locking mechanism 32 is extended. The bottom of the motor 42 is fixedly connected to the bottom of the top cover 11, and the two bevel gears 43 are meshed with each other, one of the bevel gears 43 is coaxially connected to the outer periphery of the barrel shaft 20, and the other bevel gear 43 is coaxially connected to the output shaft of the motor 42. The motor 42 is powered on and its output shaft drives one of the bevel gears 43 to rotate, and through the meshing transmission between the two bevel gears 43, the other bevel gear 43 and the barrel shaft 20 are driven to rotate, thereby driving the impurity removal component 2 and the bubble removal component 3 to work.

[0046] It should be noted that the above specific implementations are only preferred embodiments of the present invention and the technical principles used. Those skilled in the art should understand that various modifications, equivalent substitutions, changes, etc. can be made to the present invention. However, as long as these changes do not deviate from the spirit of the present invention, they should be within the scope of protection of the present invention. In addition, some terms used in the specification and claims of this application are not limiting, but are only for the convenience of clearly describing the positional relationship and function between the various components.

Claims

1. A raw material melting device for die casting, comprising a furnace body (1) and a top cover (11), wherein the top cover (11) is vertically movably mounted on the furnace body (1), characterized in that: It also includes an impurity removal component (2), a bubble removal component (3) and a driving component (4). The impurity removal component (2) includes a cylindrical shaft (20), a partition (21), a plurality of flip plates (22), a plurality of opening and closing mechanisms (23), an annular filter plate (25) and a plurality of torsion springs (26). The cylindrical shaft (20) passes through the top cover (11) and is rotatably connected thereto. The partition (21) is horizontally rotatably mounted on the outer periphery of the cylindrical shaft (20). The top of the partition (21) is provided with a plurality of semicircular grooves (210) penetrating therethrough. The plurality of semicircular grooves (210) The torsion spring (26) is disposed on the outer periphery of one end of the flip plate (22), one end of the torsion spring (26) is fixedly connected to the flip plate (22), and the other end of the torsion spring (26) is fixedly connected to the inner wall of the semicircular groove (210). The top of the annular filter plate (25) is fixedly connected to the bottom of the top cover (11). The bottom of the annular filter plate (25) is an inclined surface structure away from the cylinder shaft (20). The outer periphery of the annular filter plate (25) and the The outer periphery of the partition (21) is in contact with the inner wall of the furnace body (1); the opening and closing mechanism (23) comprises a fan-shaped box body (230), a clamping block (231), a push block (232) and a hydraulic rod (233); the fan-shaped box body (230) is located on one side of the semicircular groove (210); the top of the fan-shaped box body (230) is fixedly connected to the bottom of the partition (21); one side of the clamping block (231) is an inclined structure and passes through the side wall of the fan-shaped box body (230) to be slidably connected thereto; one side of the push block (232) is slidably connected to the other side of the clamping block (231) and is mutually connected. The hydraulic rod (233) and the driving assembly (4) are mutually in conflict, one end of the hydraulic rod (233) is fixedly connected to the inner wall of the fan-shaped box body (230), the telescopic end of the hydraulic rod (233) is fixedly connected to one end of the push block (232), the top of the partition plate (21) and the top of the annular filter plate (25) are both provided with a plurality of penetrating filter holes (250), the bubble removal assembly (3) and the driving assembly (4) are both installed in the furnace body (1), the bubble removal assembly (3) is used to discharge the air inside the molten metal, and the driving assembly (4) is used to drive the impurity removal assembly (2) and the bubble removal assembly (3) to work; When the push block (232) is located at one end of the fan-shaped box body (230), the top of the clamping block (231) and the bottom of the flip plate (22) are in contact with each other, and the flip plate (22) is in a horizontal state; When the push block (232) is located at the other end of the fan-shaped box body (230), the inclined surface on one side of the clamping block (231) contacts the bottom of the flip plate (22), and the flip plate (22) is in a tilted state.

2. A raw material melting device for die casting according to claim 1, characterized in that: The bubble removal assembly (3) comprises a rotating shaft (30), a plurality of fan blades (31), a telescopic locking mechanism (32), and a pair of vibrating mechanisms (33); the rotating shaft (30) is mounted on the cylindrical shaft (20) in a vertically movable manner via the telescopic locking mechanism (32); the plurality of fan blades (31) are distributed in a circular pattern around the outer periphery of the rotating shaft (30) and are fixedly connected thereto; the fan blades (31) are arranged in an inclined manner; and the two vibrating mechanisms (33) are symmetrically mounted on both sides of the rotating shaft (30); the vibrating mechanisms (33) are used to drive the plurality of fan blades (31) to vibrate at high speed.

3. A raw material melting device for die casting according to claim 2, characterized in that: The vibration mechanism (33) comprises a striking block (330) and a pair of tension springs (331), one end of the tension spring (331) is fixedly connected to the bottom of the striking block (330), a pair of trapezoidal grooves (300) are provided at the top of the rotating shaft (30), the other end of the tension spring (331) is fixedly connected to the bottom of the trapezoidal groove (300), one end of the striking block (330) is slidably connected to the trapezoidal groove (300) and contacts with the bottom wall thereof, an annular groove (200) is provided on the inner wall of the cylindrical shaft (20), a plurality of protrusions (201) are fixedly connected to the bottom wall of the annular groove (200), and the other end of the striking block (330) is slidably connected to the annular groove (200) and contacts with the top of the protrusion (201).

4. A raw material melting device for die casting according to claim 3, characterized in that: The telescopic locking mechanism (32) comprises a rotating ring (320) and a pair of return springs (321); the bottom of the rotating ring (320) is fixedly connected to one end of the return spring (321); the other end of the return spring (321) is fixedly connected to the top of the rotating shaft (30); a limiting groove (202) and a pair of vertical grooves (203) are provided on the inner wall of the cylindrical shaft (20); the limiting groove (202) is rotatably connected to the rotating ring (320); the bottom of the vertical groove (203) is communicated with the annular groove (200); and the knocking block (330) is slidably connected to the vertical groove (203).

5. A raw material melting device for die casting according to claim 4, characterized in that: The telescopic locking mechanism (32) further comprises an insert block (322) and a sleeve block (323); the bottom of the sleeve block (323) is fixedly connected to the bottom wall of the furnace body (1); a slot (324) is provided at the top of the sleeve block (323); the top of the insert block (322) is fixedly connected to the bottom of the rotating shaft (30); the insert block (322) and the slot (324) are plugged into and fit with each other and contact the inner wall of the slot (324).

6. A raw material melting device for die casting according to claim 5, characterized in that: The telescopic locking mechanism (32) further comprises a stopper (325) and a pair of thrust springs (326); the stopper (325) is slidably connected to the inner wall of the slot (324); one end of the thrust spring (326) is fixedly connected to the bottom of the stopper (325); the other end of the thrust spring (326) is fixedly connected to the bottom wall of the slot (324); the top of the stopper (325) and the bottom of the inserting block (322) are in contact with each other.

7. The raw material melting device for die casting according to claim 1, characterized in that: The opening and closing mechanism (23) further comprises an insertion rod (234) and a reverse pushing mechanism (24); two ends of the insertion rod (234) respectively pass through the side walls of the fan-shaped box body (230) at both ends and are slidably connected thereto; a plurality of circular holes (10) are provided on the outer periphery of the cylindrical shaft (20) and the inner wall of the furnace body (1); the reverse pushing mechanism (24) is installed in the fan-shaped box body (230); and the reverse pushing mechanism (24) is used to drive the insertion rod (234) and the push block (232) to move in the reverse direction; When the push block (232) is located at one end of the fan-shaped box body (230), one end of the insertion rod (234) is plugged into the circular hole (10) on the outer periphery of the cylindrical shaft (20), and the other end of the insertion rod (234) is separated from the circular hole (10) on the inner wall of the furnace body (1); When the push block (232) is located at the other end of the fan-shaped box body (230), one end of the insertion rod (234) is separated from the circular hole (10) on the outer periphery of the cylindrical shaft (20), and the other end of the insertion rod (234) is plugged into and matched with the circular hole (10) on the inner wall of the furnace body (1).

8. The raw material melting device for die casting according to claim 7, characterized in that: The reverse pushing mechanism (24) comprises a spur gear (240) and a pair of racks (241); the spur gear (240) is rotatably connected to the inner wall of the fan-shaped box body (230); the two racks (241) are respectively fixedly connected to the push block (232) and the opposite side of the insertion rod (234); the spur gear (240) is located between the two racks (241), and the racks (241) and the spur gear (240) are meshed with each other.

9. The raw material melting device for die casting according to claim 1, characterized in that: The driving assembly (4) comprises a frame (40), a hydraulic cylinder (41), a motor (42) and a pair of bevel gears (43); the bottom of the frame (40) is fixedly connected to the top of the furnace body (1); one end of the top cover (11) is slidably connected to the frame (40); the top of the hydraulic cylinder (41) passes through the frame (40) and is fixedly connected thereto; the telescopic end of the hydraulic cylinder (41) passes through the cylindrical shaft (20) and is rotatably connected to the top of the rotating shaft (30); the bottom of the motor (42) is fixedly connected to the bottom of the top cover (11); and the two bevel gears (43) are meshed with each other, one of the bevel gears (43) is coaxially connected to the outer periphery of the cylindrical shaft (20), and the other bevel gear (43) is coaxially connected to the output shaft of the motor (42).

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