Aluminum alloy plate casting equipment and automobile plate casting method

Abstract

The invention discloses aluminum alloy plate casting equipment and an automobile plate casting method, and relates to the field of casting equipment.The aluminum alloy plate casting equipment comprises a machine table, a movable mold base and a fixed mold base are arranged on the machine table, a movable mold is rotationally connected to the movable mold base, a fixed mold is rotationally connected to the fixed mold base, and the movable mold base can horizontally move on the machine table; the fixed die can drive the movable die to rotate, a feeding pipe and a punch are connected to the movable die, a feeding hole is formed in the feeding pipe, the punch is arranged in the feeding pipe, and when the punch presses raw materials into the die cavity, the movable die and the fixed die rotate. Molten aluminum alloy is moved towards the edge of the mold cavity through centrifugal force and is injected into the center of the mold cavity in a matched mode, so that the mold cavity is rapidly filled with the molten aluminum alloy, the forming efficiency is improved, the filling effect of the molten aluminum alloy on the edge of the mold cavity is good, the forming quality of a product is improved, and the product is not prone to bubbles or defects. The cooling problem of the rotatable fixed mold is solved, and the product cooling effect is guaranteed.

Description

Technical Field

[0001] The present invention relates to the field of casting equipment, and particularly to an aluminum alloy sheet casting equipment and an automobile sheet casting method. Background Art

[0002] The core structure of an aluminum alloy casting equipment (referred to as a die-casting machine) consists of an injection system, a die clamping mechanism, a hydraulic power system, a mold and a temperature control unit. Its principle is based on injecting molten aluminum alloy into a precision mold cavity at high pressure and high speed and rapidly solidifying and forming. The injection system includes an injection chamber, an injection punch and a booster. After the molten aluminum liquid is injected into the injection chamber through a dosing spoon, the injection punch driven by hydraulic pressure pushes the metal liquid into the mold at an extremely high speed (up to 5 - 10 m / s), and the booster applies a pressure of 20 - 200 MPa at the instant of filling to compensate for shrinkage and eliminate air holes; the die clamping mechanism locks the mold through a hydraulic cylinder or a toggle mechanism to ensure that the mold parting surface is tightly closed under high pressure.

[0003] Chinese Patent Application CN106735106A discloses a device for realizing mobile micro die-casting forming of metal components, including a die-casting environment box. An air inlet pipe is arranged at the top of the left side wall of the die-casting environment box, an exhaust pipe is arranged at the top of the right side wall of the die-casting environment box, a guide pipe is arranged at the bottom of the right side wall of the die-casting environment box, and a vacuum pumping device is arranged on the right side of the guide pipe. Compared with the existing device for realizing mobile micro die-casting forming of metal components, the structure of the present invention is simple and convenient to use. A mold preheating sleeve is added on the basis of the existing device for realizing mobile micro die-casting forming of metal components. The die-casting mold is preheated through the mold preheating sleeve, reducing the situation that during die-casting, due to the rapid cooling of the casting, the fluidity is lost, resulting in the inability to smoothly complete filling, thereby affecting the production quality of the casting. The above patents and the prior art also have the following defects: By pressurizing the molten metal liquid and injecting it into the mold cavity, the gate is usually arranged near the middle position of the mold cavity. For some products with more complex edges, the flow time of the metal liquid in the mold cavity is long, resulting in a decrease in the cooling fluidity of the metal liquid, and the edge of the mold cavity is pressed against, unable to quickly fill the mold cavity with the metal liquid, and the filling effect at the edge of the mold cavity is poor, resulting in defects such as notches and pores easily appearing at the edge of the product.

[0004] Therefore, the present application provides an aluminum alloy sheet casting equipment and an automobile sheet casting method to meet the requirements. Summary of the Invention

[0005] The purpose of the present application is to provide an aluminum alloy sheet casting device and an automobile sheet casting method. By using centrifugal force to move the molten aluminum alloy towards the edge of the mold cavity and combining with injecting the molten aluminum alloy into the center of the mold cavity, the molten aluminum alloy can quickly fill the mold cavity, improving the forming efficiency. The filling effect of the molten aluminum alloy on the edge of the mold cavity is good, improving the forming quality of the product. The product is not likely to have bubbles and defects. The cooling problem of the rotatable fixed mold is solved, ensuring the cooling effect of the product and improving the forming efficiency and quality. When the fixed mold rotates, the moving pipe is separated from the cooling channel, and the cooling channel and the moving pipe are respectively sealed, preventing a large amount of cooling water from leaking and not blocking the rotation of the fixed mold. The release agent is sprayed into the mold cavity more evenly, the product is not easily adhered to the fixed mold, and demolding is easier.

[0006] To achieve the above object, the present application provides the following technical solutions: An aluminum alloy sheet casting device includes a machine table. A moving mold base and a fixed mold base are arranged on the machine table. A moving mold is rotatably connected to the moving mold base, and a fixed mold is rotatably connected to the fixed mold base. The moving mold base can move horizontally on the machine table. When the fixed mold and the moving mold are closed, the fixed mold can drive the moving mold to rotate. An inlet pipe and a punch are connected to the moving mold. An inlet hole is provided on the inlet pipe, and the punch is arranged in the inlet pipe. When the punch presses the raw material into the mold cavity, the moving mold and the fixed mold rotate. Two cooling water channels are provided in the fixed mold. Connection components are arranged on both sides of the two cooling water channels. The connection components include a blocking pipe, a blocking valve plate, a moving pipe, a connecting plate, and a connecting valve plate. The blocking pipe is arranged in the cooling water channel, the blocking valve plate abuts against the blocking pipe, a blocking hole is provided on the blocking pipe, the connecting plate is arranged in the moving pipe, the connecting valve plate abuts against the connecting plate, and a connecting hole is provided on the connecting valve plate. When the moving pipe moves towards the cooling water channel, first make the blocking valve plate separate from the blocking pipe, and then make the connecting valve plate separate from the connecting plate. A fixed block is connected to the moving pipe, and a fixed groove is provided on the fixed mold. A liquid spraying pipe is arranged on one side of the fixed mold. The liquid spraying pipe sprays a release agent towards the fixed mold, and at the same time the fixed mold rotates.

[0007] Preferably, the connection assembly further includes a plugging spring, a plugging head, a pushing tube, a connecting spring and a connecting frame. The plugging tube is fixedly installed in the cooling channel. One end of the plugging spring is fixedly installed on the plugging tube, and the other end of the plugging spring is fixedly installed on the plugging valve plate. The pushing tube is slidably fitted in the moving tube. One end of the pushing tube is fixedly installed with a fixing plate. One end of the connecting spring is fixedly installed on the fixing plate, and the other end of the connecting spring is fixedly installed on the connecting plate. The connecting plate is fixedly installed in the moving tube. One end of the connecting frame is fixedly installed on the fixing plate, and the other end of the connecting frame is fixedly installed on the connecting plate. The plugging head is fixedly installed on the pushing tube, and a plurality of liquid outlet holes are formed in the plugging head.

[0008] Preferably, the connection assembly further includes a moving plate, a moving screw, a moving motor, a moving frame, a protective shell and a water supply pipe. The moving motor is fixedly installed on the protective shell. The moving screw is fixedly installed at the output end of the moving motor. The moving frame is fixedly installed on the moving plate. The moving tube is fixedly installed on the moving plate. The fixed block is fixedly installed on the moving plate. The moving frame is sleeved on the moving screw and is threadedly connected with the moving screw.

[0009] Preferably, a rotating motor is fixedly installed in the fixed mold base. A rotating gear is fixedly installed at the output end of the rotating motor. A rotating gear ring is fixedly installed on the fixed mold. The rotating gear meshes with the rotating gear ring.

[0010] Preferably, a driving motor is fixedly installed on the machine table. A driving driving pulley is fixedly installed at the output end of the driving motor. A demolding tube is fixedly installed on the machine table. The demolding tube is connected to a liquid pump. The spraying tube is rotatably connected to the demolding tube and is communicated with the demolding tube. A plurality of spray heads are installed on the spraying tube. A driving driven pulley is fixedly installed on the spraying tube. A driving belt is connected between the driving driving pulley and the driving driven pulley.

[0011] Preferably, a guiding column, a mold closing hydraulic cylinder and a feeding hydraulic cylinder are fixedly installed on the machine table. The fixed mold base is fixedly installed on the guiding column. The moving mold base is slidably fitted on the guiding column. The output end of the mold closing hydraulic cylinder is fixedly installed on the moving mold base. The output end of the feeding hydraulic cylinder is fixedly installed on the punch.

[0012] Preferably, a stabilizing block is fixedly installed on the plugging valve plate. A stabilizing sliding rail is fixedly installed on the plugging tube. The stabilizing block is slidably fitted in the stabilizing sliding rail. A stabilizing rod is fixedly installed on the plugging valve plate. The stabilizing rod is inserted into the plugging tube and is slidably fitted with the plugging tube.

[0013] Preferably, a guiding block is fixedly installed on the fixed mold, and a guiding groove is formed on the movable mold. After the fixed mold and the movable mold are closed, the guiding block moves into the guiding groove.

[0014] An automobile sheet casting method uses the above-mentioned aluminum alloy sheet casting equipment and includes the following steps: The movable mold base and the movable mold move horizontally, the movable mold and the fixed mold are closed, a mold cavity is formed between the movable mold and the fixed mold, the molten aluminum alloy is poured into the feed pipe through the feed hole, the punch moves in the feed pipe, and the punch injects the molten aluminum alloy in the feed pipe into the mold cavity at a high speed; While the molten aluminum alloy is injected into the mold cavity, the fixed mold and the movable mold rotate, and the molten aluminum alloy is moved towards the edge of the mold cavity by centrifugal force; When the molten aluminum alloy is injected into the mold cavity of the movable mold and the fixed mold, the fixed mold and the movable mold stop rotating when they return to the initial position, and the moving pipe corresponds to the cooling water channel; The moving pipe moves towards the cooling water channel. First, the blocking valve piece is removed from the blocking pipe, the opening of the cooling water channel is opened, then the connecting valve piece is removed from the connecting plate, the opening of the moving pipe is opened, the moving pipe is communicated with the cooling water channel, and cooling water is introduced into the cooling water channel through the moving pipe on one side of the cooling water channel. The cooling water cools the molten aluminum alloy through the fixed mold to form a shape, and then the cooling water is discharged from the moving pipe on the other side of the cooling water channel; When the product is cooled and formed, the movable mold moves to separate from the fixed mold, the product is taken out, and the spraying pipe sprays the mold release agent into the mold cavity of the fixed mold while the fixed mold rotates.

[0015] In summary, the technical effects and advantages of the present invention are as follows: 1. In the present invention, the movable mold base and the movable mold move horizontally, the movable mold and the fixed mold are closed, a mold cavity is formed between the movable mold and the fixed mold, the molten aluminum alloy is poured into the feed pipe through the feed hole, the punch moves in the feed pipe, and the punch injects the molten aluminum alloy in the feed pipe into the mold cavity at a high speed. While the molten aluminum alloy is injected into the mold cavity, the fixed mold and the movable mold rotate, and the molten aluminum alloy is moved towards the edge of the mold cavity by centrifugal force. Cooperating with the injection of the molten aluminum alloy at the center of the mold cavity, the molten aluminum alloy quickly fills the mold cavity, improving the forming efficiency, making the filling effect of the molten aluminum alloy on the edge of the mold cavity good, improving the forming quality of the product, and the product is not easily bubbled and incomplete; 2. In the present invention, after the molten aluminum alloy is injected into the mold cavities of the moving mold and the fixed mold, the fixed mold and the moving mold stop rotating when they reach the initial position. At this time, the moving pipe corresponds to the cooling water channel. The moving pipe moves towards the cooling water channel. First, the sealing valve plate is removed from the sealing pipe, opening the cooling water channel opening. Then, the connecting valve plate is removed from the connecting plate, opening the moving pipe opening. The moving pipe is connected to the cooling water channel. Cooling water is introduced into the cooling water channel through the moving pipe on one side of the cooling water channel. The cooling water cools the molten aluminum alloy into a molded product through the fixed mold. Subsequently, the cooling water is discharged from the moving pipe on the other side of the cooling water channel, solving the cooling problem of the rotatable fixed mold, ensuring the cooling effect of the product, and improving the molding efficiency and quality. When the fixed mold rotates, the moving pipe is disengaged from the cooling channel, and both the cooling channel and the moving pipe are sealed, preventing a large amount of cooling water leakage and not obstructing the rotation of the fixed mold. 3. After the product is cooled and molded, the moving mold moves to separate from the fixed mold, and the product is taken out. The spraying pipe sprays the mold release agent into the mold cavity of the fixed mold. At the same time, the fixed mold rotates, making the mold release agent sprayed into the mold cavity more evenly, so that the product is not easily adhered to the fixed mold and is easier to demold. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present application. For those skilled in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0017] Figure 1 It is one of the three-dimensional structure diagrams of the present invention; Figure 2 It is the second three-dimensional structure diagram of the present invention; Figure 3 It is the third three-dimensional structure diagram of the present invention; Figure 4 It is of the present invention Figure 3 The enlarged view of part A; Figure 5 It is the structure diagram of the machine platform in the present invention; Figure 6 It is of the present invention Figure 5 The enlarged view of part B; Figure 7 It is the structure diagram of the moving plate, the moving motor and the moving screw in the present invention; Figure 8 It is the structure diagram of the fixed mold base and the fixed mold in the present invention; Figure 9 It is of the present invention Figure 8 The enlarged view of part C.

[0018] In the figure: 1. Machine platform; 2. Moving mold base; 3. Fixed mold base; 4. Moving mold; 5. Fixed mold; 6. Feeding pipe; 7. Punch; 8. Connecting assembly; 801. Sealing pipe; 802. Sealing valve plate; 803. Moving pipe; 804. Connecting plate; 805. Connecting valve plate; 806. Sealing pull spring; 807. Pushing pipe; 808. Connecting spring; 809. Moving plate; 810. Moving screw; 811. Moving motor; 812. Moving frame; 813. Protective shell; 814. Water supply pipe; 9. Fixed block; 10. Liquid spraying pipe; 11. Rotating motor; 12. Rotating gear; 13. Rotating gear ring; 14. Driving motor; 15. Demolding pipe; 16. Guide post; 17. Mold closing hydraulic cylinder; 18. Feeding hydraulic cylinder; 19. Stabilizing block; 20. Guide block. Specific implementation mode

[0019] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0020] Example 1: Refer to Figures 1 - 9 An aluminum alloy sheet casting device as shown, including a machine platform 1, a moving mold base 2 and a fixed mold base 3 are arranged on the machine platform 1, a moving mold 4 is rotatably connected to the moving mold base 2, a fixed mold 5 is rotatably connected to the fixed mold base 3, the moving mold base 2 can move horizontally on the machine platform 1, and when the fixed mold 5 and the moving mold 4 are closed, the fixed mold 5 can drive the moving mold 4 to rotate; A feeding pipe 6 and a punch 7 are connected to the moving mold 4, a feeding hole is opened on the feeding pipe 6, the punch 7 is arranged in the feeding pipe 6, and when the punch 7 presses the raw material into the mold cavity, the moving mold 4 and the fixed mold 5 rotate; Two cooling water channels are opened in the fixed mold 5, connecting assemblies 8 are arranged on both sides of the two cooling water channels, the connecting assembly 8 includes a sealing pipe 801, a sealing valve plate 802, a moving pipe 803, a connecting plate 804 and a connecting valve plate 805, the sealing pipe 801 is arranged in the cooling water channel, the sealing valve plate 802 abuts against the sealing pipe 801, a sealing hole is opened on the sealing pipe 801, the connecting plate 804 is arranged in the moving pipe 803, the connecting valve plate 805 abuts against the connecting plate 804, and a connecting hole is opened on the connecting valve plate 805; When the moving pipe 803 moves towards the cooling water channel, first make the sealing valve plate 802 disengage from the sealing pipe 801, and then make the connecting valve plate 805 disengage from the connecting plate 804; A fixed block 9 is connected to the moving pipe 803, and a fixed groove is opened on the fixed mold 5; One side of the fixed mold 5 is provided with a liquid spraying pipe 10, and the liquid spraying pipe 10 sprays a demolding agent onto the fixed mold 5 while the fixed mold 5 rotates.

[0021] The moving mold base 2 and the moving mold 4 move horizontally. The moving mold 4 is closed with the fixed mold 5, and a mold cavity is formed between the moving mold 4 and the fixed mold 5. The molten aluminum alloy is poured into the feeding pipe 6 through the feeding hole. The punch 7 moves in the feeding pipe 6, and the punch 7 injects the molten aluminum alloy in the feeding pipe 6 into the mold cavity at a high speed. While the molten aluminum alloy is injected into the mold cavity, the fixed mold 5 and the moving mold 4 rotate, and the molten aluminum alloy is moved to the edge of the mold cavity by centrifugal force, cooperating with the injection of the molten aluminum alloy at the center of the mold cavity, so that the molten aluminum alloy quickly fills the mold cavity, improving the molding efficiency, making the filling effect of the molten aluminum alloy on the edge of the mold cavity good, improving the molding quality of the product, and making the product not easily have bubbles and defects.

[0022] When the molten aluminum alloy is injected into the mold cavity of the moving mold 4 and the fixed mold 5, the fixed mold 5 and the moving mold 4 stop rotating when they reach the initial position. The moving pipe 803 corresponds to the cooling water channel, and the moving pipe 803 moves towards the cooling water channel direction. First, the blocking valve piece 802 is removed from the blocking pipe 801, and the opening of the cooling water channel is opened. Then, the connecting valve piece 805 is removed from the connecting plate 804, and the opening of the moving pipe 803 is opened. The moving pipe 803 is communicated with the cooling water channel. Cooling water is introduced into the cooling water channel from one side of the moving pipe 803 of the cooling water channel. The cooling water cools the molten aluminum alloy through the fixed mold 5 to form a mold, and then the cooling water is discharged from the moving pipe 803 on the other side of the cooling water channel, solving the cooling problem of the rotatable fixed mold 5, ensuring the cooling effect of the product, and improving the molding efficiency and molding quality. When the fixed mold 5 rotates, the moving pipe 803 is separated from the cooling channel, and the cooling channel and the moving pipe 803 are respectively closed to prevent a large amount of cooling water from leaking and not blocking the rotation of the fixed mold 5.

[0023] When the product is cooled and formed, the moving mold 4 moves to separate from the fixed mold 5, and the product is taken out. The liquid spraying pipe 10 sprays the demolding agent into the mold cavity of the fixed mold 5, and at the same time, the fixed mold 5 rotates, making the demolding agent spray into the mold cavity more evenly, and the product is not easily adhered in the fixed mold 5, making demolding easier.

[0024] A guiding block 20 is fixedly installed on the fixed mold 5, and a guiding groove is formed on the moving mold 4. When the fixed mold 5 and the moving mold 4 are closed, the guiding block 20 moves into the guiding groove.

[0025] After the fixed mold 5 and the moving mold 4 are closed, the rotation of the fixed mold 5 drives the guiding block 20 to rotate, and the guiding block 20 drives the moving mold 4 to rotate.

[0026] Example 2, refer to Figures 1 - 9, which is different from the above embodiment in that the connecting component 8 further includes a plugging spring 806, a plugging head, a pushing tube 807, a connecting spring 808 and a connecting frame. The plugging tube 801 is fixedly installed in the cooling channel. One end of the plugging spring 806 is fixedly installed on the plugging tube 801, and the other end of the plugging spring 806 is fixedly installed on the plugging valve plate 802. The pushing tube 807 is slidably fitted in the moving tube 803. One end of the pushing tube 807 is fixedly installed with a fixing plate. One end of the connecting spring 808 is fixedly installed on the fixing plate, and the other end of the connecting spring 808 is fixedly installed on the connecting plate 804. The connecting plate 804 is fixedly installed in the moving tube 803. One end of the connecting frame is fixedly installed on the fixing plate, and the other end of the connecting frame is fixedly installed on the connecting plate 804. The plugging head is fixedly installed on the pushing tube 807, and a plurality of liquid outlet holes are formed in the plugging head.

[0027] The elastic force of the connecting spring 808 is greater than the elastic force of the plugging spring 806.

[0028] Embodiment 3, referring to Figures 1 - 9 , which is different from the above embodiment in that the moving tube 803 drives the pushing tube 807 to move. The pushing tube 807 enters the cooling channel. The pushing tube 807 drives the plugging head to abut against the plugging valve plate 802 and pushes the plugging valve plate 802 to move. The plugging valve plate 802 is separated from the plugging tube 801. After the plugging valve plate 802 moves to the limit position, the moving tube 803 continues to move. The pushing tube 807 cannot move, while the moving tube 803 continues to move, causing the pushing tube 807 to retract into the moving tube 803 relative to the moving tube 803. The pushing tube 807 drives the connecting valve plate 805 through the connecting frame and compresses the connecting spring 808, causing the connecting valve plate 805 to be separated from the connecting plate 804. The cooling water enters the pushing tube 807 through the moving tube 803 and through the connecting hole. The pushing tube 807 drives the plugging head to pass through the plugging hole, and the cooling water enters the cooling channel through the liquid outlet holes.

[0029] It can first make the pushing tube 807 enter the cooling channel to be connected and sealed with the cooling channel, and then open the moving tube 803 to make the cooling water in the moving tube 803 enter the cooling channel, preventing the leakage of cooling water and improving the stability.

[0030] Embodiment 4, referring to Figures 1 - 9 , which is different from the above embodiment in that the connecting component 8 further includes a moving plate 809, a moving screw 810, a moving motor 811, a moving frame 812, a protective shell 813 and a water supply pipe 814. The moving motor 811 is fixedly installed on the protective shell 813. The moving screw 810 is fixedly installed on the output end of the moving motor 811. The moving frame 812 is fixedly installed on the moving plate 809. The moving tube 803 is fixedly installed on the moving plate 809. The fixed block 9 is fixedly installed on the moving plate 809. The moving frame 812 is sleeved on the moving screw 810 and is threadedly connected to the moving screw 810.

[0031] The moving motor 811 drives the moving screw 810 to rotate. The moving frame 812 moves on the moving screw 810. The moving frame 812 drives the moving plate 809 to move. The moving plate 809 drives the fixed block 9 to move. The fixed block 9 enters the fixed slot of the fixed mold 5 to fix the fixed mold 5, improving the stability of the fixed mold 5, so that the fixed mold 5 is not easy to shake during the process of taking out the product. At the same time, the moving plate 809 drives the moving pipe 803 to move. The moving pipe 803 moves in the water supply pipe 814 to maintain communication with the water supply pipe 814. The moving pipe 803 is communicated with the cooling channel to introduce cooling water into the cooling channel.

[0032] A stabilizing block 19 is fixedly installed on the blocking valve plate 802. A stabilizing slide rail is fixedly installed on the blocking pipe 801. The stabilizing block 19 is slidably fitted in the stabilizing slide rail. A stabilizing rod is fixedly installed on the blocking valve plate 802. The stabilizing rod is inserted into the blocking pipe 801 and is slidably fitted with the blocking pipe 801.

[0033] To make the blocking valve plate 802 more stable and not easy to shake, one end of the stabilizing rod is connected with an anti-detachment block. A stabilizing groove is formed on the blocking pipe 801. The anti-detachment block is slidably fitted in the stabilizing groove. The notch of the stabilizing groove is provided with a reduced diameter and is smaller than the diameter of the anti-detachment block. The stabilizing rod is connected with the blocking valve plate 802 through the notch, so that the anti-detachment block will not detach from the anti-detachment groove.

[0034] A rotating motor 11 is fixedly installed in the fixed mold base 3. The output end of the rotating motor 11 is fixedly installed with a rotating gear 12. A rotating gear ring 13 is fixedly installed on the fixed mold 5. The rotating gear 12 meshes with the rotating gear ring 13.

[0035] The rotating motor 11 drives the rotating gear 12 to rotate. The rotating gear 12 drives the rotating gear ring 13 to rotate. The rotating gear ring 13 drives the fixed mold 5 to rotate.

[0036] Example 5, referring to Figures 1 - 9 , different from the above example, a transmission motor 14 is fixedly installed on the machine table 1. The output end of the transmission motor 14 is fixedly installed with a transmission driving pulley. A demolding pipe 15 is fixedly installed on the machine table 1. The demolding pipe 15 is connected to a liquid pump. The liquid spraying pipe 10 is rotatably connected to the demolding pipe 15 and is communicated with the demolding pipe 15. A plurality of nozzles are installed on the liquid spraying pipe 10. A transmission driven pulley is fixedly installed on the liquid spraying pipe 10. A transmission belt is connected between the transmission driving pulley and the transmission driven pulley.

[0037] The hydraulic pump feeds the mold release agent into the mold release pipe 15. The mold release pipe 15 feeds the mold release agent into itself and sprays it into the fixed mold 5 through the mold release pipe 15. Then, the drive motor 14 drives the drive active pulley to rotate. The drive active pulley drives the drive belt to rotate. The drive belt makes the drive passive pulley rotate. The drive passive pulley drives the liquid spraying pipe 10 to rotate, preventing the liquid spraying pipe 10 from affecting mold closing.

[0038] Example 6, referring to Figures 1 - 9 , which is different from the above example in that a guide post 16, a mold closing hydraulic cylinder 17 and a feeding hydraulic cylinder 18 are fixedly installed on the machine table 1. The fixed mold base 3 is fixedly installed on the guide post 16. The moving mold base 2 is slidably fitted on the guide post 16. The output end of the mold closing hydraulic cylinder 17 is fixedly installed on the moving mold base 2. The output end of the feeding hydraulic cylinder 18 is fixedly installed on the punch 7.

[0039] The mold closing hydraulic cylinder 17 drives the moving mold base 2 and the moving mold 4 to move. The feeding hydraulic cylinder 18 drives the punch 7 to move, so that the punch 7 pushes the molten aluminum alloy in the feeding pipe 6 into the mold cavity.

[0040] The feeding pipe 6 is rotatably connected to the moving mold 4 and communicates with the mold cavity.

[0041] An automobile sheet casting method uses the above aluminum alloy sheet casting equipment and includes the following steps: The moving mold base 2 and the moving mold 4 move horizontally. The moving mold 4 is closed with the fixed mold 5. A mold cavity is formed between the moving mold 4 and the fixed mold 5. The molten aluminum alloy is poured into the feeding pipe 6 through the feeding hole. The punch 7 moves in the feeding pipe 6. The punch 7 shoots the molten aluminum alloy in the feeding pipe 6 into the mold cavity at high speed; While the molten aluminum alloy is being shot into the mold cavity, the fixed mold 5 and the moving mold 4 rotate, and the molten aluminum alloy is moved towards the edge of the mold cavity by centrifugal force; When the molten aluminum alloy is poured into the mold cavity of the moving mold 4 and the fixed mold 5, the fixed mold 5 and the moving mold 4 stop rotating when they reach the initial position. The moving pipe 803 corresponds to the cooling water channel; The moving pipe 803 moves towards the cooling water channel direction. First, the plugging valve piece 802 is removed from the plugging pipe 801, and the opening of the cooling water channel is opened. Then, the connecting valve piece 805 is removed from the connecting plate 804, and the opening of the moving pipe 803 is opened. The moving pipe 803 communicates with the cooling water channel. Cooling water is fed into the cooling water channel from one side of the moving pipe 803 of the cooling water channel. The cooling water cools the molten aluminum alloy through the fixed mold 5 to form a shape. Then, the cooling water is discharged from the moving pipe 803 on the other side of the cooling water channel; When the product is cooled and formed, the moving mold 4 moves to separate from the fixed mold 5, and the product is taken out. The liquid spraying pipe 10 sprays the mold release agent into the mold cavity of the fixed mold 5, and at the same time, the fixed mold 5 rotates.

[0042] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims

1. An aluminum alloy sheet casting device, comprising a machine table, characterized in that: A moving mold base and a fixed mold base are provided on the machine table. A moving mold is rotatably connected to the moving mold base, and a fixed mold is rotatably connected to the fixed mold base. The moving mold base can move horizontally on the machine table. After the fixed mold and the moving mold are closed, the fixed mold can drive the moving mold to rotate; An inlet pipe and a punch are connected to the moving mold. An inlet hole is provided on the inlet pipe, and the punch is arranged inside the inlet pipe. When the punch presses the raw material into the mold cavity, the moving mold rotates with the fixed mold; Two cooling water channels are provided inside the fixed mold. Connecting components are arranged on both sides of the two cooling water channels. The connecting components include a blocking pipe, a blocking valve plate, a moving pipe, a connecting plate and a connecting valve plate. The blocking pipe is arranged inside the cooling water channel, the blocking valve plate abuts against the blocking pipe, a blocking hole is provided on the blocking pipe, the connecting plate is arranged inside the moving pipe, the connecting valve plate abuts against the connecting plate, and a connecting hole is provided on the connecting valve plate; When the moving pipe moves towards the cooling water channel, first the blocking valve plate is disengaged from the blocking pipe, and then the connecting valve plate is disengaged from the connecting plate; A fixed block is connected to the moving pipe, and a fixed groove is provided on the fixed mold; A liquid spraying pipe is arranged on one side of the fixed mold. The liquid spraying pipe sprays a demolding agent onto the fixed mold, and at the same time the fixed mold rotates.

2. The aluminum alloy sheet casting equipment according to claim 1, characterized in that: The connecting component further includes a blocking spring, a blocking head, a pushing pipe, a connecting spring and a connecting frame. The blocking pipe is fixedly installed inside the cooling channel. One end of the blocking spring is fixedly installed on the blocking pipe, and the other end of the blocking spring is fixedly installed on the blocking valve plate. The pushing pipe is slidably fitted inside the moving pipe. One end of the pushing pipe is fixedly installed with a fixing plate. One end of the connecting spring is fixedly installed on the fixing plate, and the other end of the connecting spring is fixedly installed on the connecting plate. The connecting plate is fixedly installed inside the moving pipe. One end of the connecting frame is fixedly installed on the fixing plate, and the other end of the connecting frame is fixedly installed on the connecting plate. The blocking head is fixedly installed on the pushing pipe, and a plurality of liquid outlet holes are provided on the blocking head.

3. An aluminum alloy sheet casting device according to claim 2, characterized in that: The connecting component further includes a moving plate, a moving screw, a moving motor, a moving frame, a protective shell and a water supply pipe. The moving motor is fixedly installed on the protective shell. The moving screw is fixedly installed at the output end of the moving motor. The moving frame is fixedly installed on the moving plate. The moving pipe is fixedly installed on the moving plate. The fixed block is fixedly installed on the moving plate. The moving frame is sleeved on the moving screw and is threadedly connected to the moving screw.

4. An aluminum alloy sheet casting device according to claim 1, characterized in that: A rotating motor is fixedly installed inside the fixed mold base. A rotating gear is fixedly installed at the output end of the rotating motor. A rotating gear ring is fixedly installed on the fixed mold. The rotating gear meshes with the rotating gear ring.

5. An aluminum alloy sheet casting device according to claim 1, characterized in that: A driving motor is fixedly installed on the machine table. A driving active belt pulley is fixedly installed at the output end of the driving motor. A demolding pipe is fixedly installed on the machine table. The demolding pipe is connected to a liquid pump. A spraying pipe is rotatably connected to the demolding pipe and is in communication with the demolding pipe. A plurality of nozzles are installed on the spraying pipe. A driving passive belt pulley is fixedly installed on the spraying pipe. A driving belt is connected between the driving active belt pulley and the driving passive belt pulley.

6. An aluminum alloy sheet casting device according to claim 1, characterized in that: A guiding column, a mold clamping hydraulic cylinder and a feeding hydraulic cylinder are fixedly installed on the machine table. The fixed mold base is fixedly installed on the guiding column. The movable mold base is slidably fitted on the guiding column. The output end of the mold clamping hydraulic cylinder is fixedly installed on the movable mold base. The output end of the feeding hydraulic cylinder is fixedly installed on the punch.

7. An aluminum alloy sheet casting device according to claim 1, characterized in that: A stabilizing block is fixedly installed on the plugging valve plate. A stabilizing sliding rail is fixedly installed on the plugging pipe. The stabilizing block is slidably fitted in the stabilizing sliding rail. A stabilizing rod is fixedly installed on the plugging valve plate. The stabilizing rod is inserted into the plugging pipe and is slidably fitted with the plugging pipe.

8. An aluminum alloy sheet casting device according to claim 1, characterized in that: A guiding block is fixedly installed on the fixed mold. A guiding groove is formed on the movable mold. When the fixed mold and the movable mold are clamped, the guiding block moves into the guiding groove.

9. A casting method for automotive sheet metal, which uses the aluminum alloy sheet metal casting equipment described in any one of the above claims 1-8, is characterized in that: Including the following steps: The movable mold base and the movable mold move horizontally. The movable mold is clamped with the fixed mold, and a mold cavity is formed between the movable mold and the fixed mold. The molten aluminum alloy is poured into the feeding pipe through the feeding hole. The punch moves in the feeding pipe, and the punch injects the molten aluminum alloy in the feeding pipe into the mold cavity at a high speed. While the molten aluminum alloy is injected into the mold cavity, the fixed mold and the movable mold rotate, and the molten aluminum alloy is moved to the edge of the mold cavity by centrifugal force. When the molten aluminum alloy is injected into the mold cavity of the movable mold and the fixed mold, the fixed mold and the movable mold stop rotating when they reach the initial position. The moving pipe corresponds to the cooling water channel. The moving pipe moves towards the cooling water channel. First, the plugging valve plate is removed from the plugging pipe, and the opening of the cooling water channel is opened. Then, the connecting valve plate is removed from the connecting plate, and the opening of the moving pipe is opened. The moving pipe is in communication with the cooling water channel. Cooling water is introduced into the cooling water channel from one side of the moving pipe of the cooling water channel. The cooling water cools the molten aluminum alloy through the fixed mold to form a shape. Then, the cooling water is discharged from the moving pipe on the other side of the cooling water channel. When the product is cooled and formed, the movable mold moves to separate from the fixed mold, and the product is taken out. The spraying pipe sprays the demolding agent into the mold cavity of the fixed mold, and at the same time, the fixed mold rotates.

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