High-toughness light-weight aluminum alloy die-casting device

Abstract

The invention discloses a high-toughness light-weight aluminum alloy die-casting device and relates to the technical field of die-casting devices.The high-toughness light-weight aluminum alloy die-casting device comprises a base, a lower die base, an upper die base, a lower die core, an upper die core and an ejection and die cleaning mechanism, and the ejection and die cleaning mechanism comprises an ejection air cylinder, a platform plate, an equipment box, a suction fan, a hollow shaft, a collection filter ring, an adjustable dust suction pipe assembly and a demolding plate; the output end of the ejection air cylinder is connected with the bottom of the platform plate, a hollow shaft is arranged above a port in the top of the suction fan, the inner wall of the lower end of the hollow shaft is rotationally connected with the outer wall of the port in the top of the suction fan, and an adjustable dust suction pipe assembly is arranged at the top of the collection filter ring; according to the die-casting die, the dust collection mechanism composed of the suction fan, the collection filter ring, the adjustable dust collection pipe assembly and the like can be used for sucking and collecting residues located in a die-casting cavity and impurities on the die assembly face of the lower die base and the die assembly face of the upper die base; the high-toughness light-weight aluminum alloy die-casting device can stably guarantee the quality of aluminum alloy castings during continuous operation.

Description

Technical Field

[0001] The invention relates to the technical field of die-casting devices, and in particular to a high-strength and lightweight aluminum alloy die-casting device. Background Art

[0002] Aluminum alloy is the most widely used type of nonferrous metal structural material in industry, and has been widely used in aviation, aerospace, automobile, machinery manufacturing, shipbuilding and chemical industries. Aluminum alloy processing requires die-casting operations. Die-casting is a method of obtaining castings by filling the die-casting mold cavity with liquid or semi-liquid metal at high speed under high pressure and rapidly solidifying under pressure. The die-casting mold used is called a die-casting mold. The design quality and manufacturing quality of the die-casting mold directly determine the shape and precision of the casting, the surface requirements and internal quality, the smoothness of the production operation, etc. Therefore, the die-casting mold plays an important role in production.

[0003] At present, the high-strength and toughness lightweight aluminum alloy die-casting device in the prior art will use the ejection structure to eject the aluminum alloy die-casting in the mold for demolding after the die-casting operation is completed. In the continuous operation, the demolding process is likely to drop residues into the cavity and the docking surface of the upper and lower molds, which will not only cause mold deviation but also cause the die-cast aluminum alloy die-casting to contain impurities or have surface pits. Therefore, the present invention proposes a high-strength and toughness lightweight aluminum alloy die-casting device to solve the shortcomings of the prior art. Summary of the invention

[0004] In view of the above problems, the purpose of the present invention is to provide a high-strength, toughness and lightweight aluminum alloy die-casting device. In the process of the ejection cylinder extending to drive the demolding plate to eject the aluminum alloy casting in the die-casting cavity, a dust suction mechanism composed of components such as a suction fan, a collecting filter ring, and an adjustable dust suction pipe assembly can be used to attract and collect the residue in the die-casting cavity and the impurities on the mating surfaces of the lower die seat and the upper die seat, so that the high-strength, toughness and lightweight aluminum alloy die-casting device of the present invention can stably guarantee the quality of the aluminum alloy castings when performing continuous operation.

[0005] To achieve the above object, the present invention provides the following technical solutions: A high-strength and lightweight aluminum alloy die-casting device comprises a base, a lower die base, an upper die base, a lower die core, an upper die core and an ejection and mold cleaning mechanism, wherein a lower die base is arranged on the top of the base, a lower die core is installed in a mold groove provided on the top of the lower die base, an upper die base is arranged above the lower die base, a driving mechanism is arranged on the top of the upper die base, the driving mechanism is fixed to the mounting base, an upper die core is installed at the bottom of the upper die base, and a die-casting cavity is formed between the lower die core and the upper die core after the upper die base is driven down by the driving mechanism, a through groove is arranged on the lower die base in the middle of the mold groove, an ejection and mold cleaning mechanism is arranged in the through groove, and the ejection and mold cleaning mechanism comprises an ejection cylinder, a platform plate, an equipment box, a suction fan, a hollow shaft, a collecting filter ring, An adjustable dust suction pipe assembly and a stripping plate are provided, an ejection cylinder is provided in the middle of the base, the platform plate is located in the through groove, the output end of the ejection cylinder is connected to the bottom of the platform plate, a device box is provided on the top of the platform plate, a suction fan is provided inside the device box, a hollow shaft is provided above the port on the top of the suction fan, the inner wall of the lower end of the hollow shaft is rotatably connected to the outer wall of the port on the top of the suction fan, the collecting filter ring is arranged on the top of the hollow shaft and the bottom of the collecting filter ring is connected to the hollow shaft, an adjustable dust suction pipe assembly is provided on the top of the collecting filter ring, a stripping plate is provided in the through groove above the adjustable dust suction pipe assembly, a stripping groove adapted to the stripping plate is provided at the bottom of the lower mold core, and the bottom of the stripping plate is connected to the top of the platform plate through a bracket.

[0006] A further improvement is that a gear ring is provided on the outer wall of the lower end of the collecting filter ring, a driving motor is provided inside the equipment box, and a driving shaft is rotatably provided on one side of the top of the equipment box, the driving shaft is driven by the driving motor, and a gear is provided on the upper end of the driving shaft, and the gear is meshed with the rack.

[0007] A further improvement is that the adjustable dust suction pipe assembly includes an interface, a first pipe and a second pipe, an interface is provided on one side of the top of the collecting filter ring, a first pipe is provided on one side of the interface, a second pipe is movably provided inside the first pipe, and the first pipe and the second pipe constitute a retractable pipe structure.

[0008] A further improvement is that a connecting plate is installed on the second pipe, a mounting frame is provided on the top of the collecting filter ring, an electric push rod is provided on the mounting frame, and an output end of the electric push rod is connected to the connecting plate.

[0009] A further improvement is that a first branch pipe is provided above the outer wall of the outlet end of the second pipe, and a second branch pipe is provided below the outer wall of the outlet end of the second pipe.

[0010] A further improvement is that: a first fixing bolt is provided on the side wall of the lower die base, a plurality of the first fixing bolts are provided, and the lower die core is mounted on the lower die base via the plurality of first fixing bolts.

[0011] A further improvement is that a connecting sleeve is provided on the top of the upper mold core, a second fixing bolt is provided on the outer wall of the connecting sleeve, a plurality of groups of the second fixing bolts are provided, and the connecting sleeve is installed with the outer wall of the lower end of the upper mold base through the plurality of groups of second fixing bolts.

[0012] Further improvements are: the driving mechanism includes a driving cylinder, a sleeve and a guide rod, the output end of the driving cylinder is connected to the middle of the top of the upper mold base, the guide rod is arranged at the outer edge of the top of the upper mold base, and the guide rod is provided with two groups, a sleeve is slidably provided on the guide rod, and the sleeve and the upper end of the driving cylinder are fixed to the mounting base.

[0013] A further improvement is that a groove is provided on the top of the upper mold base, a filter plate is detachably installed inside the groove, a liquid inlet pipe is provided inside the upper mold core, and the upper end of the liquid inlet pipe is connected to the bottom of the groove.

[0014] A further improvement is that a positioning ring is provided inside the groove, a plug hole is provided on the positioning ring, and the filter plate is connected to the plug hole through an insertion rod.

[0015] The beneficial effects of the present invention are as follows: the present invention arranges an ejection and mold cleaning mechanism composed of an ejection cylinder, a platform plate, an equipment box, a suction fan, a hollow shaft, a collection filter ring, an adjustable dust suction pipe assembly and a stripper plate in the through groove on the lower die seat. When the ejection cylinder extends to drive the stripper plate to eject and demold the aluminum alloy casting in the die-casting cavity, the dust suction mechanism composed of the suction fan, the collection filter ring, the adjustable dust suction pipe assembly and other components can be used to attract and collect the residue in the die-casting cavity and the impurities on the mating surfaces of the lower die seat and the upper die seat, so that the high-strength and lightweight aluminum alloy die-casting device of the present invention can stably ensure the quality of the aluminum alloy castings when performing continuous operation; The adjustable dust suction pipe assembly of the present invention is configured to be composed of an interface, a first pipe and a second pipe, and the first pipe and the second pipe form a telescopic pipe structure, and cooperate with the electric push rod and the first branch pipe and the second branch pipe arranged on the second pipe, so that the adjustable dust suction pipe assembly of the present invention can vacuum and remove impurities from the inside of a flat or uneven die-casting cavity, and the dust suction position is adjustable, and the collecting filter ring can also rotate, thereby realizing comprehensive vacuuming and impurity removal of the die-casting cavity. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the main structure of the present invention; Figure 2 It is a schematic diagram of the front view of the ejection and mold clearing mechanism structure of the present invention; Figure 3 It is a schematic diagram of the main view of the demoulding groove structure of the present invention; Figure 4 It is a three-dimensional schematic diagram of the installation structure of the adjustable dust suction pipe assembly of the present invention; Figure 5 It is a schematic front view of the assembly structure of the upper mold base and the upper mold core of the present invention; Figure 6 For the present invention Figure 5 A schematic diagram of the structure enlargement in the middle; Figure 7 It is a schematic front view of the structure of the lower die base and the upper die base in the mold closing state of the present invention.

[0017] Among them: 1. Base; 2. Lower die base; 3. Upper die base; 4. Lower die core; 5. Upper die core; 6. Ejection and mold cleaning mechanism; 601. Ejection cylinder; 602. Platform plate; 603. Equipment box; 604. Suction fan; 605. Hollow shaft; 606. Collection filter ring; 607. Adjustable dust suction pipe assembly; 608. Demolding plate; 609. Bracket; 7. Die casting cavity; 8. Through slot; 9. Demolding slot; 10. Gear ring ; 11. driving motor; 12. gear; 13. interface; 14. first pipeline; 15. second pipeline; 16. connecting plate; 17. electric push rod; 18. first branch pipe; 19. second branch pipe; 20. first fixing bolt; 21. connecting sleeve; 22. second fixing bolt; 23. driving cylinder; 24. sleeve; 25. guide rod; 26. groove; 27. filter plate; 28. liquid inlet pipe; 29. ​​positioning ring. DETAILED DESCRIPTION

[0018] In order to deepen the understanding of the present invention, the present invention will be further described in detail below in conjunction with examples. The examples are only used to explain the present invention and do not constitute a limitation on the protection scope of the present invention.

[0019] according to Figure 1-7As shown, this embodiment proposes a high-strength and lightweight aluminum alloy die-casting device, including a base 1, a lower die base 2, an upper die base 3, a lower die core 4, an upper die core 5 and an ejection and mold cleaning mechanism 6. The base 1 is provided with a lower die base 2 on the top, and a lower die core 4 is installed in a mold groove provided on the top of the lower die base 2. An upper die base 3 is provided above the lower die base 2. A driving mechanism is provided on the top of the upper die base 3, and the driving mechanism is fixed to the mounting base. An upper die core 5 is installed at the bottom of the upper die base 3. After the upper die base 3 is driven down by the driving mechanism, a die-casting cavity 7 is formed between the lower die core 4 and the upper die core 5. A through groove 8 is provided on the lower die base 2 in the middle of the mold groove, and an ejection and mold cleaning mechanism 6 is provided in the through groove 8. The ejection and mold cleaning mechanism 6 includes an ejection cylinder 601, a platform plate 602, an equipment box 603, a suction fan 604, a hollow shaft 605, a collecting filter ring 606, an adjustable dust suction pipe assembly 607 and a stripping plate 608. A ejection cylinder 601 is provided in the middle of the base 1, the platform plate 602 is located in the through groove 8, the output end of the ejection cylinder 601 is connected to the bottom of the platform plate 602, a device box 603 is provided on the top of the platform plate 602, a suction fan 604 is provided inside the device box 603, a hollow shaft 605 is provided above the port at the top of the suction fan 604, the inner wall of the lower end of the hollow shaft 605 is rotatably connected to the outer wall of the port at the top of the suction fan 604, the collecting filter ring 606 is arranged on the top of the hollow shaft 605 and the bottom of the collecting filter ring 606 is connected to the hollow shaft 605, an adjustable dust suction pipe assembly 607 is provided on the top of the collecting filter ring 606, a stripping plate 608 is provided in the through groove 8 above the adjustable dust suction pipe assembly 607, a stripping groove 9 adapted to the stripping plate 608 is provided at the bottom of the lower mold core 4, and the bottom of the stripping plate 608 is connected to the top of the platform plate 602 through a bracket 609.

[0020] When the high-strength and tough lightweight aluminum alloy die-casting device of the present invention is used, the stripping plate 608 is first maintained in a state of blocking the stripping groove 9, and then the metal aluminum alloy liquid enters the die-casting cavity 7 from the groove 26, and then the upper die seat 3 is driven down by the driving mechanism to make the lower die core 4 and the upper die core 5 close together for die-casting. After the molding is completed, the upper die seat 3 is controlled to reset by the driving mechanism, and at this time, the ejection cylinder 601 of the ejection and mold cleaning mechanism 6 is started, so that the stripping plate 608 ejects the aluminum alloy casting. During the upward movement of the stripping plate 608, the adjustable dust suction pipe assembly 607 and other components are synchronously moved upward, and then the adjustable dust suction pipe assembly 607 enters the lower die core 4 to attract and collect the residue. During the process, the collecting filter ring 606 can rotate, thereby driving the adjustable dust suction pipe assembly 607 to comprehensively attract and collect the residue. At the same time, the adjustable dust suction pipe assembly 607 can also realize length adjustment to achieve attraction and collection of residues at different positions.

[0021] A gear ring 10 is provided on the outer wall of the lower end of the collection filter ring 606, a driving motor 11 is provided inside the device box 603, and a driving shaft is rotatably provided on one side of the top of the device box 603, the driving shaft is driven by the driving motor 11, and a gear 12 is provided on the upper end of the driving shaft, and the gear 12 is meshed with the rack. Starting the driving motor 11 can drive the driving shaft to rotate, so that the gear 12 drives the collection filter ring 606 equipped with the gear ring 10 to rotate along with the rotatable hollow shaft 605.

[0022] The adjustable dust suction pipe assembly 607 includes an interface 13, a first pipe 14 and a second pipe 15. The interface 13 is provided on one side of the top of the collection filter ring 606, and the first pipe 14 is provided on one side of the interface 13. The second pipe 15 is movably provided inside the first pipe 14, and the first pipe 14 and the second pipe 15 form a retractable pipe structure. A connecting plate 16 is installed on the second pipe 15, and a mounting frame is provided on the top of the collection filter ring 606. An electric push rod 17 is provided on the mounting frame, and the output end of the electric push rod 17 is connected to the connecting plate 16. A first branch pipe 18 is provided above the outer wall of the outlet end of the second pipe 15, and a second branch pipe 19 is provided below the outer wall of the outlet end of the second pipe 15. When the adjustable vacuum tube assembly 607 is vacuuming, the suction fan 604 is started first. Then, when the adjustable vacuum tube assembly 607 enters the lower mold core 4, the electric push rod 17 is started to drive the second pipe 15 to move inside the first pipe 14, so as to attract and collect residues at different positions. The first branch pipe 18 can vacuum the bottom of the upper mold core 5, and the second branch pipe 19 can vacuum the pit position inside the lower mold core 4, so as to achieve comprehensive and efficient vacuuming. When the suction port at one end of the second pipe 15 reaches the position of the mating surface, the mating surface can also be vacuumed.

[0023] The side wall of the lower die base 2 is provided with a first fixing bolt 20, and the first fixing bolt 20 is provided in plurality. The lower die core 4 is mounted with the lower die base 2 through the plurality of first fixing bolts 20. The top of the upper die core 5 is provided with a connecting sleeve 21, and the outer wall of the connecting sleeve 21 is provided with a second fixing bolt 22, and the second fixing bolt 22 is provided in plurality of groups. The connecting sleeve 21 is mounted with the outer wall of the lower end of the upper die base 3 through the plurality of groups of second fixing bolts 22. The above arrangement can improve the versatility of the device of the present invention, and different aluminum alloy castings can be formed by replacing different upper die cores 5 and lower die cores 4.

[0024] The driving mechanism includes a driving cylinder 23, a sleeve 24 and a guide rod 25. The output end of the driving cylinder 23 is connected to the middle of the top of the upper die base 3. The guide rod 25 is arranged at the outer edge of the top of the upper die base 3, and two groups of the guide rods 25 are arranged. The sleeve 24 is slidably arranged on the guide rod 25. The sleeve 24 and the upper end of the driving cylinder 23 are fixed to the installation base. The driving mechanism is used to control the lifting and lowering of the upper die base 3. During the lifting and lowering process, the sleeve 24 and the guide rod 25 constitute a guiding structure to improve the lifting stability.

[0025] A groove 26 is provided at the top of the upper die seat 3, a filter plate 27 is detachably installed inside the groove 26, a liquid inlet pipe 28 is provided inside the upper die core 5, and the upper end of the liquid inlet pipe 28 is connected to the bottom of the groove 26. A positioning ring 29 is provided inside the groove 26, and a plug hole is provided on the positioning ring 29, and the filter plate 27 is connected to the plug hole through a plug rod. The present invention can filter the poured aluminum alloy liquid by arranging the filter plate 27 in the groove 26, ensuring that the aluminum alloy liquid does not contain impurities, thereby improving the quality of the casting.

[0026] The present invention arranges an ejection and mold cleaning mechanism 6 composed of an ejection cylinder 601, a platform plate 602, an equipment box 603, a suction fan 604, a hollow shaft 605, a collection filter ring 606, an adjustable dust suction pipe assembly 607 and a stripper plate 608 in the through groove 8 on the lower die base 2. When the ejection cylinder 601 extends to drive the stripper plate 608 to eject the aluminum alloy casting in the die-casting cavity 7, the dust suction mechanism composed of the suction fan 604, the collection filter ring 606, the adjustable dust suction pipe assembly 607 and other components can be used to attract and collect the residue in the die-casting cavity 7 and the impurities on the mating surfaces of the lower die base 2 and the upper die base 3, so that the present invention The high-strength, tough and lightweight aluminum alloy die-casting device can stably ensure the quality of aluminum alloy castings during continuous operation; the adjustable dust suction pipe assembly 607 of the present invention is configured to be composed of an interface 13, a first pipe 14 and a second pipe 15, and the first pipe 14 and the second pipe 15 constitute a retractable pipe structure, and cooperates with the electric push rod 17 and the first branch pipe 18 and the second branch pipe 19 set on the second pipe 15, so that the adjustable dust suction pipe assembly 607 of the present invention can vacuum and remove impurities from the inside of a flat or uneven die-casting cavity 7, and the dust suction position is adjustable, and the collecting filter ring 606 can also rotate to achieve comprehensive vacuuming and impurity removal of the die-casting cavity 7.

[0027] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A high-strength and lightweight aluminum alloy die-casting device, characterized in that: The invention comprises a base (1), a lower die base (2), an upper die base (3), a lower die core (4), an upper die core (5) and an ejection and mold clearing mechanism (6), wherein the base (1) is provided with a lower die base (2) at the top, a lower die core (4) is installed in a mold groove provided at the top of the lower die base (2), an upper die base (3) is provided above the lower die base (2), a driving mechanism is provided at the top of the upper die base (3), the driving mechanism is fixed to the installation base, an upper die core (5) is installed at the bottom of the upper die base (3), and the upper die base (3) is driven by the driving mechanism. After being driven down, a die-casting cavity (7) is formed between the lower die core (4) and the upper die core (5); a through groove (8) is provided on the lower die base (2) in the middle of the die groove; an ejection and mold clearing mechanism (6) is provided in the through groove (8); the ejection and mold clearing mechanism (6) comprises an ejection cylinder (601), a platform plate (602), an equipment box (603), a suction fan (604), a hollow shaft (605), a collection filter ring (606), an adjustable dust suction pipe assembly (607) and a stripping plate (608); the base (1) has an inner surface. An ejection cylinder (601) is provided in the middle of the platform plate (602), the platform plate (602) is located in the through groove (8), the output end of the ejection cylinder (601) is connected to the bottom of the platform plate (602), a device box (603) is provided on the top of the platform plate (602), a suction fan (604) is provided inside the device box (603), a hollow shaft (605) is provided above the port on the top of the suction fan (604), the inner wall of the lower end of the hollow shaft (605) is rotatably connected to the outer wall of the port on the top of the suction fan (604), The collecting filter ring (606) is arranged at the top of the hollow shaft (605) and the bottom of the collecting filter ring (606) is connected to the hollow shaft (605). An adjustable dust suction pipe assembly (607) is arranged at the top of the collecting filter ring (606). A stripping plate (608) is arranged in the through groove (8) above the adjustable dust suction pipe assembly (607). A stripping groove (9) adapted to the stripping plate (608) is arranged at the bottom of the lower mold core (4). The bottom of the stripping plate (608) is connected to the top of the platform plate (602) through a bracket (609).

2. A high-strength and lightweight aluminum alloy die-casting device according to claim 1, characterized in that: A gear ring (10) is provided on the outer wall of the lower end of the collecting filter ring (606), a driving motor (11) is provided inside the device box (603), and a driving shaft is rotatably provided on one side of the top of the device box (603), the driving shaft is driven by the driving motor (11), and a gear (12) is provided on the upper end of the driving shaft, and the gear (12) is meshed with a rack.

3. The high-strength and lightweight aluminum alloy die-casting device according to claim 1, characterized in that: The adjustable dust suction pipe assembly (607) comprises an interface (13), a first pipe (14) and a second pipe (15); an interface (13) is provided on one side of the top of the collecting filter ring (606); a first pipe (14) is provided on one side of the interface (13); a second pipe (15) is movably provided inside the first pipe (14); the first pipe (14) and the second pipe (15) constitute a retractable pipe structure.

4. A high-strength and lightweight aluminum alloy die-casting device according to claim 3, characterized in that: A connecting plate (16) is installed on the second pipe (15), a mounting frame is provided on the top of the collecting filter ring (606), an electric push rod (17) is provided on the mounting frame, and an output end of the electric push rod (17) is connected to the connecting plate (16).

5. A high-strength and lightweight aluminum alloy die-casting device according to claim 4, characterized in that: A first branch pipe (18) is provided above the outer wall of the outlet end of the second pipe (15), and a second branch pipe (19) is provided below the outer wall of the outlet end of the second pipe (15).

6. The high-strength and lightweight aluminum alloy die-casting device according to claim 1, characterized in that: A first fixing bolt (20) is provided on the side wall of the lower die base (2), a plurality of the first fixing bolts (20) are provided, and the lower die core (4) is mounted on the lower die base (2) via the plurality of first fixing bolts (20).

7. The high-strength and lightweight aluminum alloy die-casting device according to claim 1, characterized in that: A connecting sleeve (21) is provided at the top of the upper mold core (5), and a second fixing bolt (22) is provided on the outer wall of the connecting sleeve (21). There are multiple groups of the second fixing bolts (22), and the connecting sleeve (21) is installed with the outer wall of the lower end of the upper mold base (3) through the multiple groups of second fixing bolts (22).

8. The high-strength and lightweight aluminum alloy die-casting device according to claim 1, characterized in that: The driving mechanism comprises a driving cylinder (23), a sleeve (24) and a guide rod (25); the output end of the driving cylinder (23) is connected to the middle of the top of the upper die seat (3); the guide rod (25) is arranged at the outer edge of the top of the upper die seat (3); and the guide rod (25) is provided with two groups; a sleeve (24) is slidably provided on the guide rod (25); and the upper ends of the sleeve (24) and the driving cylinder (23) are fixed to the mounting base.

9. The high-strength and lightweight aluminum alloy die-casting device according to claim 1, characterized in that: A groove (26) is provided at the top of the upper mold base (3), a filter plate (27) is detachably installed inside the groove (26), and a liquid inlet pipe (28) is provided inside the upper mold core (5), the upper end of the liquid inlet pipe (28) is connected to the bottom of the groove (26).

10. A high-strength and lightweight aluminum alloy die-casting device according to claim 9, characterized in that: A positioning ring (29) is provided inside the groove (26), a plug hole is provided on the positioning ring (29), and the filter plate (27) is connected to the plug hole via an insertion rod.

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