Casting device for automobile metal part

Abstract

The casting device for the automobile metal part comprises a supporting seat and a casting mechanism arranged on one side of the supporting seat, a rotating disc is rotationally installed in the middle of the upper end of the supporting seat, and four connecting plates are installed on the circumference of the rotating disc at equal intervals. The four-station circulating design is adopted, the mold is driven by the rotating disc to sequentially pass through the casting station, the cooling station, the demolding station and the resetting station, all the stations operate synchronously, seamless connection in space and continuous operation in time are achieved, and the continuous casting machine is suitable for large-scale continuous casting of automobile parts; a bevel structure of the conversion assembly drives a rack to drive a mold to turn over, a first triangular block and a second triangular block are designed in an interlocking mode, the rack is forced to generate high-frequency micro-amplitude up-and-down motion at a demolding station, the motion is converted into slight shaking of the mold through gear transmission, a casting can be effectively shaken to be loose, it is ensured that a metal part can be thoroughly and losslessly separated from a cavity, and the mold is prevented from being damaged. And automatic demolding is realized.

Description

Technical Field

[0001] This invention belongs to the field of automotive component casting technology, and more specifically, relates to a casting apparatus for automotive metal components. Background Technology

[0002] With the rapid development of the automotive industry, the demand for metal parts is increasing day by day, which in turn puts forward higher requirements for the quality and production efficiency of castings.

[0003] Traditional metal part casting typically uses single molds or simple rotary production lines, which have the following obvious drawbacks: 1. Low production efficiency: Traditional methods often use a single mold or multiple independent molds for operation. The casting, cooling, demolding and other processes need to be completed intermittently at different workstations or on different equipment. The process is not connected, resulting in a slow production cycle and failing to meet the needs of large-scale continuous production. 2. Low level of automation: The opening, closing, flipping of molds and demolding of castings rely heavily on manual operation, which is not only labor-intensive, but also makes it difficult to guarantee positioning accuracy and consistency of movement, which can affect the stability of product quality and increase labor costs and safety risks. 3. Inconvenient demolding: It requires manual intervention, which reduces the level of automation.

[0004] Therefore, developing a casting device for automotive metal parts that can achieve fully automated, high-efficiency, and high-quality continuous production has become an urgent problem to be solved in the industry. This invention aims to overcome the shortcomings of the existing technology and provide a novel casting device with high integration, a compact process flow, good cooling effect, and reliable automatic demolding capability. Summary of the Invention

[0005] To solve the above-mentioned technical problems, the present invention provides a casting apparatus for automotive metal parts, which is achieved by the following specific technical means: A casting apparatus for automotive metal parts includes a support base and a casting mechanism disposed on one side of the support base. A turntable is rotatably mounted on the upper center of the support base. Four connecting plates are equidistantly mounted on the turntable. A casting mold is mounted on each connecting plate. A connecting shaft is symmetrically fixedly connected to both ends of each casting mold. The connecting shaft is rotatably connected to the connecting plate. A gear is fixedly mounted on one side of the connecting shaft, and a rack meshes with the gear. The support base has a conversion component on its upper edge. The conversion component is circular in shape and includes an arc strip, an arc block, an arc block, and an arc strip. The arc strip, the arc block, the arc block, and the arc strip are connected and fixed end to end. Several triangular blocks are fixedly installed at equal intervals on the upper circumference of the arc strip. Each rack has a contact block fixedly installed at its bottom end, and each contact block has a recessed groove on its bottom surface. Each groove contains a triangular block that matches the triangular block. The support base is equipped with a cooling assembly.

[0006] Furthermore, the upper surfaces of both the first and second arc-shaped blocks are designed with slopes, and there is a height difference between the second and first arc-shaped strips. The lower parts of the upper surfaces of the first and second arc-shaped blocks are fixedly connected to the two ends of the first arc-shaped strip, and the higher parts of the upper surfaces of the first and second arc-shaped blocks are fixedly connected to the two ends of the second arc-shaped strip.

[0007] Furthermore, the inclined surface of each of the first triangular blocks faces downwards, while the inclined surface of each of the second triangular blocks faces upwards.

[0008] Furthermore, each of the connecting plates is fixedly mounted with a fixing rod, and each fixing rod is fixedly connected to the turntable by bolts. The support base is equipped with a servo motor, and the output shaft of the servo motor is fixedly connected to the center of the bottom end of the turntable.

[0009] Furthermore, a rectangular plate is fixedly installed on each of the connecting plates, and a fixing plate is fixedly installed on each of the racks. The fixing plate is located below the rectangular plate, and two guide rods are fixedly installed at the upper end of the fixing plate. The two guide rods movably pass through the rectangular plate, and springs are movably sleeved on the two guide rods. The fixing plate is fixedly connected to the bottom end of the rectangular plate through the two springs, and the top end of the rack movably passes through the rectangular plate.

[0010] Furthermore, the angle between the casting mechanism and the cooling component is ninety degrees, and both the casting mechanism and the cooling component are located above the arc-shaped strip.

[0011] Furthermore, the included angle between adjacent connecting plates is ninety degrees.

[0012] Furthermore, a discharge port is provided on one side of the upper surface of the support base, and the discharge port is located near the second arc-shaped strip.

[0013] Furthermore, the cooling assembly includes a fan bracket and a cooling plate. The fan bracket is fixedly mounted on a support base and located above the cooling plate. A fan is installed inside the fan bracket.

[0014] Furthermore, the cooling plate is fixedly installed on the upper end of the support base, and a serpentine tube assembly is provided inside the cooling plate. The two ends of the serpentine tube assembly are respectively fixedly connected to an inlet pipe and an outlet pipe. Both the inlet pipe and the outlet pipe pass through the support base and extend to the outside of the support base. The bottom of the cooling plate is provided with heat dissipation fins.

[0015] Compared with the prior art, the present invention has the following beneficial effects: I. This device adopts a four-station cyclic design. The turntable drives the mold through the casting, cooling, demolding and resetting stations in sequence. Each station operates synchronously, realizing seamless connection in space and continuous operation in time, which is suitable for mass continuous casting of automotive parts.

[0016] Second, it integrates two cooling methods: liquid cooling (the serpentine tube assembly inside the cooling plate) and air cooling (top fan). Liquid cooling is responsible for quickly removing a large amount of heat from the bottom of the mold, while air cooling enhances heat dissipation from the upper part of the mold and the surface of the casting. The composite cooling mode significantly accelerates the solidification speed of the molten metal, shortens the cooling cycle, and helps to cool all parts of the casting evenly, reducing internal stress, deformation, and casting defects caused by excessive temperature differences, thereby improving the internal quality and dimensional stability of the casting.

[0017] Third, the inclined structure of the conversion component drives the rack to rotate the mold. The interlocking design of "Triangle Block 1" and "Triangle Block 2" forces the rack to produce high-frequency micro-amplitude up and down movement at the demolding station. This movement is then converted into slight vibration of the mold through gear transmission, which can effectively loosen the casting and ensure that the metal parts can be completely and undamagedly removed from the cavity. This achieves automatic demolding without manual intervention, reducing the labor intensity of operators. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the casting device for automotive metal parts according to the present invention.

[0019] Figure 2 This is a schematic diagram of the turntable of the present invention.

[0020] Figure 3 This is a schematic diagram of the feed port of the present invention.

[0021] Figure 4 This is a schematic diagram of the conversion component of the present invention.

[0022] Figure 5 This is a schematic diagram of the connecting plate of the present invention.

[0023] Figure 6 This is a schematic diagram of the casting mold of the present invention.

[0024] Figure 7 This is a schematic diagram of the rack of the present invention.

[0025] Figure 8 This is a schematic diagram of the cooling assembly of the present invention.

[0026] Figure 9 This is a schematic diagram of the serpentine tube assembly of the present invention.

[0027] In the diagram, the correspondence between component names and drawing numbers is as follows: 1. Support base; 11. Turntable; 12. Discharge port; 13. Casting mechanism; 2. Connecting plate; 21. Rectangular plate; 22. Fixing rod; 3. Casting mold; 31. Connecting shaft; 32. Gear; 4. Rack; 41. Contact block; 42. Groove; 43. Triangular block one; 44. Fixing plate; 45. Guide rod; 46. Spring; 5. Conversion assembly; 51. Arc strip one; 52. Arc block one; 53. Arc block two; 54. Arc strip two; 55. Triangular block two; 6. Cooling assembly; 61. Fan bracket; 62. Fan; 63. Cooling plate; 64. Heat dissipation fins; 65. Serpentine tube assembly; 66. Liquid inlet pipe; 67. Liquid outlet pipe. Detailed Implementation

[0028] The embodiments of the present invention will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of the invention.

[0029] In the description of this invention, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the invention. Furthermore, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0030] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0031] Example: As attached Figure 1 To be continued Figure 9 As shown: This invention provides a casting device for automotive metal parts, including a support base 1 and a casting mechanism 13 disposed on one side of the support base 1. A turntable 11 is rotatably mounted on the upper center of the support base 1. Four connecting plates 2 are equidistantly mounted on the turntable 11. Each connecting plate 2 is equipped with a casting mold 3. Each casting mold 3 is symmetrically fixedly connected to both ends by a connecting shaft 31. The connecting shaft 31 is rotatably connected to the connecting plate 2. A gear 32 is fixedly mounted on one side of the connecting shaft 31. A rack 4 meshes with the gear 32. The gear 32 and the rack 4 mesh to form a transmission mechanism for mold flipping. The linear motion of the rack 4 drives the gear 32 to rotate, thereby driving the casting mold 3 to flip.

[0032] A conversion component 5 is provided on the upper edge of the support base 1. The conversion component 5 is circular in shape and includes an arc-shaped strip 51, an arc-shaped block 52, an arc-shaped block 53, and an arc-shaped strip 54. The arc-shaped strip 51, arc-shaped block 52, arc-shaped block 53, and arc-shaped strip 54 are connected and fixed end to end. Several triangular blocks 55 are fixedly installed at equal intervals on the upper circumference of the arc-shaped strip 54. The upper surfaces of the arc-shaped blocks 52 and 53 are both designed with bevels. There is a height difference between the arc-shaped strip 54 and the arc-shaped strip 51. The lower parts of the upper surfaces of the arc-shaped blocks 52 and 53 are fixedly connected to the two ends of the arc-shaped strip 51, and the higher parts of the upper surfaces of the arc-shaped blocks 52 and 53 are fixedly connected to the two ends of the arc-shaped strip 51, respectively. The two ends of 54 are fixedly connected; the conversion component 5 is the key structure for controlling the flipping angle of the casting mold 3 and realizing the demolding swing. It is in the shape of a ring and is set concentrically with the turntable 11. It includes arc strip 1 51, arc block 1 52, arc block 2 53 and arc strip 2 54. The above four components are connected end to end to form a complete ring structure; there is a height difference between arc strip 2 54 and arc strip 1 51. The upper surfaces of arc block 1 52 and arc block 2 53 are both designed with slopes. The lower part of the upper surface of the two is fixedly connected to the two ends of arc strip 1 51, and the higher part of the upper surface is fixedly connected to the two ends of arc strip 2 54, forming a smoothly transitioning slope structure, which is used to drive the rack 4 to achieve smooth lifting and lowering.

[0033] Each rack 4 has a contact block 41 fixedly installed at its bottom end. Each contact block 41 has a recessed groove 42 on its bottom surface. Each groove 42 has a triangular block 43 that matches the triangular block 55. The inclined surface of each triangular block 43 faces downward, and the inclined surface of each triangular block 55 faces upward. When the contact block 41 rotates with the turntable 11 to above the arc-shaped rack 54, the triangular block 43 and the triangular block 55 can achieve precise engagement, driving the rack 4 to move up and down reciprocally.

[0034] Each connecting plate 2 is fixedly equipped with a fixing rod 22, and each fixing rod 22 is connected and fixed to the turntable 11 by bolts. The fixing rod 22 is fastened to the turntable 11 by high-strength bolts, which not only ensures the reliability of the connection, but also facilitates the subsequent disassembly and maintenance of the connecting plate 2 and the casting mold 3. The support base 1 is equipped with a servo motor. The output shaft of the servo motor is fixedly connected to the middle of the bottom end of the turntable 11, which constitutes the drive unit of the turntable 11, which can drive the turntable 11 to rotate smoothly in the counterclockwise direction. The turntable 11 and the support base 1 are connected by a high-precision rotary bearing to ensure coaxiality and stability during rotation and avoid affecting the casting accuracy due to shaking.

[0035] A rectangular plate 21 is fixedly installed on each connecting plate 2, and a fixing plate 44 is fixedly installed on each rack 4. The fixing plate 44 is located below the rectangular plate 21. Two guide rods 45 are fixedly installed on the upper end of the fixing plate 44. The two guide rods 45 movably pass through the rectangular plate 21. Springs 46 are movably sleeved on the two guide rods 45. The fixing plate 44 is fixedly connected to the bottom end of the rectangular plate 21 through the two springs 46. The top end of the rack 4 movably passes through the rectangular plate 21. The guide rods 45 movably pass through the rectangular plate 21 to provide guidance for the up and down movement of the rack 4, preventing the rack 4 from deviating and causing the gear 32 to fail to mesh with the rack 4. Springs 46 are movably sleeved on the two guide rods 45. The fixing plate 44 is fixedly connected to the bottom end of the rectangular plate 21 through the two springs 46. The springs 46 are always in a pre-compressed state and can automatically reset when the rack 4 loses external force. The top end of the rack 4 movably passes through the rectangular plate 21 to ensure that the rack 4 has sufficient travel to drive the gear 32 to rotate.

[0036] The angle between the casting mechanism 13 and the cooling component 6 is 90 degrees, and both the casting mechanism 13 and the cooling component 6 are located above the arc-shaped strip 51.

[0037] The included angle between adjacent connecting plates 2 is 90 degrees. Each connecting plate 2 is equipped with a set of casting molds 3, forming four independent casting units.

[0038] A material discharge port 12 is provided on one side of the upper surface of the support base 1. The material discharge port 12 is located near the arc-shaped strip 54 and is used for material discharge.

[0039] A cooling assembly 6 is provided on the support base 1. The cooling assembly 6 includes a fan bracket 61 and a cooling plate 63. The fan bracket 61 is fixedly installed on the support base 1 and is located above the cooling plate 63. A fan 62 is installed inside the fan bracket 61. The cooling plate 63 is fixedly installed on the upper end of the support base 1. A serpentine tube assembly 65 is provided inside the cooling plate 63. The two ends of the serpentine tube assembly 65 are respectively fixedly connected to an inlet pipe 66 and an outlet pipe 67. Both the inlet pipe 66 and the outlet pipe 67 pass through the support base 1 and extend to the outside of the support base 1. Heat dissipation fins 64 are provided at the bottom of the cooling plate 63. The cooling assembly 6 adopts a dual cooling method combining liquid cooling and air cooling to ensure that the molten metal in the casting mold 3 solidifies and forms quickly. It includes a fan bracket 61 and a cooling plate 63. The fan bracket 61 is fixedly installed on the support base 1 and is located directly above the cooling plate 63. A fan 62 is fixedly installed inside the fan bracket 61. The air outlet direction of the fan 62 is towards the cooling plate 63. The casting mold 3 on the upper part can be forced to be cooled by air. The cooling plate 63 is fixedly installed on the upper part of the support base 1, and its top surface is adapted to the bottom surface of the casting mold 3 to ensure that when the casting mold 3 moves to the cooling station, the bottom surface can be tightly attached to the upper surface of the cooling plate 63 to improve the heat conduction efficiency. The cooling plate 63 is provided with a serpentine tube group 65 inside. The setting of the serpentine tube group 65 can increase the contact area between the cooling medium and the cooling plate 63 and improve the heat exchange efficiency. The first and last ends of the serpentine tube group 65 are respectively fixedly connected to the liquid inlet pipe 66 and the liquid outlet pipe 67. The liquid inlet pipe 66 and the liquid outlet pipe 67 both pass through the support base 1 and extend to the outside of the support base 1, which facilitates the connection with the external cooling medium supply system to realize the circulation of the cooling medium. Several evenly distributed heat dissipation fins 64 are fixedly installed at the bottom of the cooling plate 63. The heat dissipation fins 64 are made of high thermal conductivity material, which can further increase the heat dissipation area of ​​the cooling plate 63 and improve the cooling effect.

[0040] The working principle of this embodiment: Step 1: The servo motor has a built-in encoder to precisely control the rotation degree. The device is controlled by a PLC control system. The device drives the turntable 11 to rotate periodically through the servo motor. With the help of the conversion component 5, the casting mold 3 can perform cyclic operations in four stations: casting, cooling, demolding, and resetting. All structural components work together to complete the continuous casting of automotive metal parts. The specific workflow is as follows: The servo motor inside the support base 1 starts, and its output shaft drives the turntable 11 to rotate counterclockwise. The four connecting plates 2 (adjacent connecting plates 2 are at an angle of 90 degrees) on the turntable 11 are fixed by bolts and move synchronously with the turntable 11. When the casting mold 3 on one of the connecting plates 2 rotates to be directly below the casting mechanism 13, the servo motor stops, and the casting mechanism 13 precisely injects molten metal into the casting mold 3. In this station, the connecting shafts 31 at both ends of the casting mold 3 remain rotatably connected to the connecting plate 2, and the contact block 41 at the bottom of the rack 4 is tightly fitted to the surface of the arc-shaped strip 51 of the conversion component 5. Under the meshing action of the rack 4 and the gear 32, the casting mold 3 stably maintains an upward-facing posture, ensuring that the molten metal is injected smoothly without leakage. After the injection is completed, the servo motor restarts, driving the connecting plate 2 and the casting mold 3 to the next station. Step 2: Turntable 11 continues to rotate, conveying the casting mold 3 containing molten metal to the cooling component 6 (the casting mechanism 13 and the cooling component 6 are at a 90-degree angle, both located above the arc-shaped strip 51). At this time, the bottom surface of the casting mold 3 is completely in contact with the upper surface of the cooling plate 63 of the cooling component 6, entering the dual cooling stage. During the cooling process, the cooling medium enters the serpentine tube group 65 inside the cooling plate 63 through the liquid inlet pipe 66, and fully exchanges heat with the heat transferred from the casting mold 3 to the cooling plate 63. After absorbing heat, the cooling medium is discharged to the outside of the support seat 1 through the liquid outlet pipe 67, realizing rapid heat transfer. At the same time, the heat dissipation fins 64 at the bottom of the cooling plate 63 increase the heat dissipation area, and together with the airflow generated by the high-speed rotation of the fan 62 in the fan bracket 61, the upper part of the casting mold 3 is forced to be cooled by air. The liquid cooling of the cooling plate 63 and the air cooling of the fan 62 form a synergistic effect, which greatly shortens the solidification time of the molten metal and ensures the molding quality of the parts. Step 3: After the metal parts are completely solidified in the casting mold 3, the turntable 11 drives the connecting plate 2 and the casting mold 3 to continue rotating, passing sequentially through the arc-shaped block 52 and the arc-shaped strip 54 of the conversion component 5 to complete the demolding action: Mold flipping: When the contact block 41 at the bottom of the rack 4 contacts the arc-shaped block 52, due to the inclined surface design of the upper surface of the arc-shaped block 52 (the lower part connects to the arc-shaped strip 51, and the higher part connects to the arc-shaped strip 54), the contact block 41 is subjected to an upward pushing force applied by the inclined surface, which drives the rack 4 to move upward along the guide rod 45 (the guide rod 45 moves through the rectangular plate 21 of the connecting plate 2 to provide stable guidance for the rack 4); the upward movement of the rack 4 drives the gear 32 meshing with it to rotate, the gear 32 is fixed on the connecting shaft 31 of the casting mold 3, and thus drives the casting mold 3 to rotate around the connecting shaft 31 as the axis; when the contact block 41 moves to the surface of the arc-shaped strip 54, the casting mold 3 completes step 18 The component is flipped at 0 degrees and kept stably with the opening facing downwards. The component is shaken off: several triangular blocks 55 are fixed at equal intervals around the upper circumference of the arc-shaped strip 54, while the triangular block 43 (with the inclined surface facing down, matching the structure of the inclined surface of the triangular block 55 facing up) in the groove 42 on the bottom surface of the contact block 41 moves synchronously with the contact block 41. When the triangular block 43 contacts the triangular block 55, the triangular block 55 exerts an upward pushing force on the triangular block 43, causing the rack 4 to move upwards again. When the triangular block 43 moves to the gap between the adjacent triangular blocks 55, the rack 4 moves downwards under the reset action of the spring 46 (sleeved on the guide rod 45, connecting the bottom end of the rectangular plate 21 and the fixing plate 44 of the rack 4). This cycle continues, and the rack 4 drives the gear 32 to rotate back and forth, causing the casting mold 3 to swing slightly, smoothly shaking off the internally formed metal component. The component is collected through the discharge port 12 near the arc-shaped strip 54 on the upper surface of the support base 1. Step 4: After demolding, the turntable 11 continues to move the connecting plate 2, the casting mold 3, and the rack 4. The contact block 41 moves from the second arc-shaped strip 54 into the second arc-shaped block 53 of the conversion component 5. The second arc-shaped block 53 is symmetrical to the first arc-shaped block 52 (the upper surface is an inclined plane, the lower part connects to the first arc-shaped strip 51, and the higher part connects to the second arc-shaped strip 54). The contact block 41 gradually moves down along the inclined plane of the second arc-shaped block 53, and the rack 4 synchronously resets downwards, driving the casting mold 3 to rotate in the opposite direction through the gear 32. When the contact block 41 is completely... When the casting mold 3 moves to the surface of the arc-shaped strip 51, it completes a 180-degree reverse flip, restoring its initial state with the opening facing upwards. At the same time, the rack 4, with the assistance of the spring 46, stably fits the arc-shaped strip 51, preparing for the next casting. Then, the turntable 11 continues to rotate, and the connecting plate 2 and the casting mold 3 return to the area directly below the casting mechanism 13, forming a "casting-cooling-demolding-resetting" cycle with the casting molds 3 on the other three connecting plates 2, realizing continuous production of automotive metal parts.

[0041] 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. A casting apparatus for automotive metal parts, comprising a support base (1) and a casting mechanism (13) disposed on one side of the support base (1), characterized in that: A turntable (11) is rotatably mounted on the upper middle part of the support base (1). Four connecting plates (2) are equidistantly mounted on the turntable (11). A casting mold (3) is mounted on each connecting plate (2). A connecting shaft (31) is symmetrically fixedly connected to both ends of each casting mold (3). The connecting shaft (31) is rotatably connected to the connecting plate (2). A gear (32) is fixedly mounted on one side of the connecting shaft (31). A rack (4) meshes with the gear (32). The support base (1) has a conversion component (5) on its upper edge. The conversion component (5) is in the shape of a ring. The conversion component (5) includes an arc strip (51), an arc block (52), an arc block (53), and an arc strip (54). The arc strip (51), arc block (52), arc block (53), and arc strip (54) are connected end to end and fixed. Several triangular blocks (55) are fixedly installed at equal intervals on the upper circumference of the arc strip (54). Each of the racks (4) has a contact block (41) fixedly installed at its bottom end. Each contact block (41) has a recessed groove (42) on its bottom surface. Each groove (42) has a triangular block (43) that is compatible with the triangular block (55) fixedly installed in it. The support base (1) is provided with a cooling assembly (6).

2. The casting apparatus for automotive metal parts as described in claim 1, characterized in that: The upper surfaces of the first arc block (52) and the second arc block (53) are both designed with slopes. There is a height difference between the second arc strip (54) and the first arc strip (51). The lower part of the upper surface of the first arc block (52) and the second arc block (53) is fixedly connected to the two ends of the first arc strip (51), and the higher part of the upper surface of the first arc block (52) and the second arc block (53) is fixedly connected to the two ends of the second arc strip (54).

3. The casting apparatus for automotive metal parts as described in claim 1, characterized in that: The inclined surface of each of the first triangular blocks (43) is set downwards, and the inclined surface of each of the second triangular blocks (55) is set upwards.

4. The casting apparatus for automotive metal parts as described in claim 1, characterized in that: Each of the connecting plates (2) is fixedly installed with a fixing rod (22), and each fixing rod (22) is fixedly connected to the turntable (11) by bolts. The support base (1) is equipped with a servo motor, and the output shaft of the servo motor is fixedly connected to the middle of the bottom end of the turntable (11).

5. The casting apparatus for automotive metal parts as described in claim 1, characterized in that: A rectangular plate (21) is fixedly installed on each of the connecting plates (2), and a fixing plate (44) is fixedly installed on each of the racks (4). The fixing plate (44) is located below the rectangular plate (21). Two guide rods (45) are fixedly installed on the upper end of the fixing plate (44). The two guide rods (45) movably pass through the rectangular plate (21). Springs (46) are movably sleeved on the two guide rods (45). The fixing plate (44) is fixedly connected to the bottom end of the rectangular plate (21) through the two springs (46). The top end of the rack (4) movably passes through the rectangular plate (21).

6. The casting apparatus for automotive metal parts as described in claim 1, characterized in that: The angle between the casting mechanism (13) and the cooling component (6) is 90 degrees, and both the casting mechanism (13) and the cooling component (6) are located above the arc-shaped strip (51).

7. The casting apparatus for automotive metal parts as described in claim 1, characterized in that: The included angle between adjacent connecting plates (2) is 90 degrees.

8. The casting apparatus for automotive metal parts as described in claim 1, characterized in that: A discharge port (12) is provided on one side of the upper surface of the support base (1), and the discharge port (12) is located near the arc-shaped strip (54).

9. The casting apparatus for automotive metal parts as described in claim 1, characterized in that: The cooling assembly (6) includes a fan bracket (61) and a cooling plate (63). The fan bracket (61) is fixedly installed on the support base (1) and located above the cooling plate (63). A fan (62) is provided inside the fan bracket (61).

10. The casting apparatus for automotive metal parts as described in claim 9, characterized in that: The cooling plate (63) is fixedly installed on the upper end of the support base (1). The cooling plate (63) is provided with a serpentine tube assembly (65). The two ends of the serpentine tube assembly (65) are respectively fixedly connected to an inlet pipe (66) and an outlet pipe (67). The inlet pipe (66) and the outlet pipe (67) both penetrate the support base (1) and extend to the outside of the support base (1). The bottom of the cooling plate (63) is provided with heat dissipation fins (64).

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