Continuous die-casting forming equipment for aluminum alloy castings

Abstract

The utility model relates to the technical field of aluminum alloy casting machining, and discloses aluminum alloy casting continuous die-casting forming equipment which comprises a die-casting table, a first die-casting base fixedly arranged at one end of the die-casting table, a first die-casting plate arranged above the die-casting table, a plurality of second die-casting bases fixedly arranged above the first die-casting plate, and a second die-casting plate arranged on the die-casting table. The second die-casting plate is driven by a first electric push rod, a first die-casting die is fixedly arranged on the side, close to the first die-casting base, of the first die-casting plate, and a second die-casting die is fixedly arranged on the side, close to the second die-casting base, of the second die- A first die-casting groove and a second die-casting groove which are matched with the first die-casting die and the second die-casting die are formed in the first die-casting base and the second die-casting base respectively, a piston filling structure is arranged on the first die-casting plate, a filling pipe is arranged on the side wall of the second die-casting base, and a push-out structure is arranged on the first die-casting base. The die-casting die has the advantages that continuous die-casting can be achieved, and production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to aluminium alloy casting processing technical field, specifically point to a kind of aluminium alloy casting continuous die casting forming equipment. BACKGROUND

[0002] Aluminium alloy casting die casting forming is a kind of efficient metal forming process. It is to heat and melt aluminium alloy raw material, under the action of high pressure, liquid aluminium alloy is filled into the cavity of die casting mould at high speed, then cooling and solidification forming. The advantages of this process are numerous, high production efficiency, can quickly manufacture complex shape castings, and castings size precision is high, surface quality is good. It is widely used in automobile, aerospace, electronics and many other fields, can meet the needs of mass production. But this process also has some limitations, such as high equipment cost, mold making complex, but overall it is an important aluminum alloy forming method.

[0003] At present, aluminium alloy casting die casting forming is mostly single pass mode. Specifically, in the die casting process, the mould is first butt jointed, then the high temperature metal liquid is injected into it, and the casting is taken out after it is cooled and formed in the mould. However, during the time of metal liquid cooling and forming, the die casting equipment is in idle state and cannot carry out other operations, which greatly limits the improvement of production efficiency. UTILITY MODEL CONTENTS

[0004] The utility model discloses to solve above-mentioned various problems, propose a kind of aluminium alloy casting continuous die casting forming equipment that can continuous die casting, improve production efficiency.

[0005] To solve the above technical problems, the technical scheme provided by the utility model is as follows: an aluminium alloy casting continuous die casting forming equipment, comprising a die casting table, a first die casting base is fixedly arranged at one end of the die casting table, a first die casting plate that is movable and matches the first die casting base is arranged above the die casting table, a plurality of second die casting bases are fixedly arranged above the first die casting plate, a second die casting plate that matches the second die casting base is arranged above the first die casting base on the die casting table, the second die casting plate is driven by a motor-driven push rod fixedly arranged on the die casting table, a first die casting mould is fixedly arranged on one side of the first die casting plate close to the first die casting base, a second die casting mould is fixedly arranged on one side of the second die casting plate close to the second die casting base, a first die casting groove and a second die casting groove that match the first die casting mould and the second die casting mould are respectively arranged on the first die casting base and the second die casting base, a piston filling structure is arranged on the first die casting plate, a filling pipe is arranged on the side wall of the second die casting base, and a pushing-out structure is arranged on the first die casting base.

[0006] Further, the first die casting plate is driven by a motor-driven guide rail fixedly arranged on the die casting table.

[0007] Based on the above characteristics, the electric guide rail can realize accurate control of the die casting plate, ensure that the die casting mold and the die casting groove can be closely fitted during the die casting process, effectively avoid the casting quality problems caused by inaccurate mold alignment, such as flash, material shortage, etc., and improve the forming quality of the casting. It can also control the rapid separation of the die casting plate and the die casting base, facilitate the removal of the casting and the cleaning of the mold.

[0008] Further, the piston filling structure includes an electric piston fixed on the side of the first die casting plate away from the first die casting base and communicating with the first die casting groove. An inlet structure is arranged above the electric piston.

[0009] Based on the above characteristics, the electric piston can accurately control the amount of aluminum alloy raw material pushed into the first die casting groove. Through electric control, the stroke of the piston can be accurately adjusted, so as to realize accurate supply of raw material for different size and shape castings, ensure the uniformity of the density of the castings and the size accuracy, and help to improve the product quality.

[0010] Further, the inlet structure includes a feeding pipe and an inlet pipe, and the feeding pipe and the inlet pipe are respectively fixed on the first die casting plate and the electric piston. The feeding pipe is located directly above the inlet pipe, and the inlet pipe is fixed at the upper end and provided with a feeding hopper communicating therewith.

[0011] Based on the above characteristics, the cooperation of the feeding pipe, the inlet pipe and the feeding hopper can realize stable and continuous feeding of the electric piston, so as to ensure continuous die casting of the casting and good forming effect.

[0012] Further, the second die casting mold side wall is provided with a filling hole communicating with the filling pipe.

[0013] Based on the above characteristics, the filling hole can ensure that the aluminum alloy solution is smoothly filled into the second die casting mold, avoiding pollution and waste.

[0014] Further, the push-out structure includes an electric push rod two fixed on the die casting table, and the end of the electric push rod two penetrates through the side wall of the first die casting base and is fixed with a push plate. The push plate is flush with the inner wall of the first die casting groove.

[0015] Based on the above characteristics, the electric push rod two can quickly push the push plate to push the casting out of the die casting groove, improve the turnover efficiency of the mold, and thus facilitate the realization of continuous die casting. The design that the push plate is flush with the inner wall of the first die casting groove can avoid affecting the shape of the outer surface of the casting.

[0016] Compared with existing technologies, the advantages of this invention are as follows: The equipment is equipped with a first die-casting base and a first die-casting plate that cooperates with it, as well as several sets of second die-casting bases and second die-casting plates. While waiting for the aluminum alloy die-casting part to be formed in the first die-casting mold, the aluminum alloy solution can be injected and die-cast in the second die-casting mold. The multiple die-casting structures work alternately, reducing waiting time and enabling continuous die-casting, which is beneficial to improving production efficiency. Furthermore, by filling the first and second die-casting molds with aluminum alloy solution through a piston filling structure and a filling tube respectively, it is easy to precisely control the filling and die-casting timing, thereby achieving orderly alternating die-casting of multiple die-casting structures and further improving production efficiency. Attached Figure Description

[0017] Figure 1 This is a three-dimensional representation of the present invention. Figure One ;

[0018] Figure 2 This is a three-dimensional representation of the present invention. Figure Two ;

[0019] Figure 3 This is the front view of this utility model;

[0020] Figure 4 This is a top view of the present invention.

[0021] As shown in the figure: 1. Die-casting platform; 2. First die-casting base; 3. First die-casting plate; 4. Second die-casting base; 5. Second die-casting plate; 6. Electric push rod one; 7. First die-casting mold; 8. Second die-casting mold; 9. First die-casting tank; 10. Second die-casting tank; 11. Filling pipe; 12. Electric guide rail; 13. Electric piston; 14. Feeding pipe; 15. Feeding pipe; 16. Feeding hopper; 17. Filling hole; 18. Electric push rod two; 19. Push plate. Detailed Implementation

[0022] The present invention will now be described in further detail with reference to the accompanying drawings.

[0023] Combined with appendix Figure 1 Appendix Figure 4 A continuous die-casting molding equipment for aluminum alloy castings includes a die-casting table 1, with a first die-casting base 2 fixedly mounted at one end of the die-casting table 1. A first die-casting plate 3, movable and matching the first die-casting base 2, is mounted above the die-casting table 1. The first die-casting plate 3 is driven by an electric guide rail 12 fixed on the die-casting table 1. The electric guide rail 12 enables precise control of the die-casting plate, ensuring a tight fit between the die-casting mold and the die-casting tank during the die-casting process. This effectively avoids casting quality problems such as flash and material shortages that may occur due to inaccurate mold alignment, thus improving the forming quality of the castings. The equipment also allows for rapid separation of the die-casting plate from the die-casting base, facilitating the removal of the castings and cleaning of the mold.

[0024] combined with the accompanying drawings Figure 1 , the accompanying drawings Figure 2 , the accompanying drawings Figure 4 , the first die plate 3 is fixed with a plurality of second die bases 4, the die table 1 is provided with a second die plate 5 above the first die base 2, the second die plate 5 is driven by an electric push rod one 6 fixed on the die table 1, the first die plate 3 is fixed with a first die mold 7 near one side of the first die base 2, the second die plate 5 is fixed with a second die mold 8 near one side of the second die base 4, the first die base 2 and the second die base 4 are respectively provided with a first die groove 9 and a second die groove 10 matched with the first die mold 7 and the second die mold 8, the first die plate 3 is provided with a piston filling structure, the piston filling structure includes an electric piston 13 fixed on the first die plate 3 away from the first die base 2 and communicated with the first die groove 9, the electric piston 13 is provided with a feeding structure above, and the electric piston 13 can accurately control the amount of aluminum alloy raw material pushed into the first die groove 9. Through electric control, the stroke of the piston can be accurately adjusted, so as to realize accurate supply of raw material for different size and shape castings, ensure the uniformity of the density and size accuracy of the castings, and help to improve the product quality.

[0025] combined with the accompanying drawings Figure 1 , the accompanying drawings Figure 3 , the feeding structure includes a feeding pipe 14 and a feeding pipe 15, the feeding pipe 14 and the feeding pipe 15 are respectively fixed on the first die plate 3 and the electric piston 13, the feeding pipe 14 is located directly above the feeding pipe 15, the feeding pipe 15 is fixed with a feeding hopper 16 communicated therewith at the upper end, and the cooperation of the feeding pipe 14, the feeding pipe 15 and the feeding hopper 16 can realize stable and continuous feeding into the electric piston 13, so as to ensure continuous die casting of the castings and good forming effect.

[0026] combined with the accompanying drawings Figure 2 , the second die base 4 is provided with a filling pipe 11 on the side wall, the second die mold 8 is provided with a filling hole 17 communicated with the filling pipe 11 on the side wall, and the filling hole 17 can ensure that the aluminum alloy solution is smoothly filled into the second die mold 8, avoiding pollution and waste.

[0027] combined with the accompanying drawings Figure 1 , the first die base 2 is provided with a push-out structure. The push-out structure includes an electric push rod two 18 fixed on the die table 1, and a push plate 19 is fixed on the end of the electric push rod two 18 through the side wall of the first die base 2. The electric push rod two 18 can quickly push the push plate 19 to push the castings out of the die casting groove 9, improve the turnover efficiency of the mold, and thus be conducive to realizing continuous die casting. The push plate 19 is flush with the inner wall of the first die groove 9, which can avoid affecting the shape of the outer surface of the castings.

[0028] The specific implementation manner of the utility model: connect the device with external power supply, control electric guide rail 12 to drive first die casting plate 3 to move, make first die casting plate 3 close to first die casting base 2, until first die casting mould 7 enters first die casting groove 9 and is in close contact with it, at this time, second die casting mould 8 moves to close to second die casting plate 5 with first die casting plate 3. Pour aluminum alloy raw material into feeding pipe 14, and the raw material enters electric piston 13 through feeding hopper 16 and feeding pipe 15 in turn, open electric piston 13, and push the raw material into first die casting mould 7 accurately, after the aluminum alloy raw material fills first die casting mould 7, wait for the aluminum alloy raw material to be pressure die casting and cooling forming.

[0029] During the waiting process, control electric push rod one 6 to drive second die casting plate 5 to move close to second die casting base 4, until second die casting mould 8 enters second die casting groove 10 and is in close contact with it, fill aluminum alloy raw material into second die casting mould 8 through filling pipe 11 and filling hole 17, and wait for the raw material to be filled and cooled and formed after being filled sufficiently. At this time, electric guide rail 12 can be controlled to drive first die casting plate 3 to move away from first die casting base 2, and in order to ensure the forming effect of the aluminum alloy casting in second die casting mould 8, electric push rod one 6 can be continuously controlled to move second die casting plate 5 with second die casting base 4 and keep close contact.

[0030] The aluminum alloy casting that has been cooled and formed is pushed out and taken off by push plate 19 driven by electric push rod two 18, and then first die casting plate 3 is controlled to move close to first die casting base 2 again, and the aluminum alloy raw material is injected into first die casting mould 7 that is in close contact with first die casting groove 9 again, and waits for cooling. During the waiting process, electric push rod two 18 can be controlled to drive second die casting plate 5 to separate from second die casting base 4, and the aluminum alloy casting that has been cooled and formed in second die casting mould 8 is taken out, and the above operation is repeated, so that alternating continuous die casting can be realized.

[0031] In the description of the utility model, it should be pointed out that, unless otherwise explicitly specified and limited, the term "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected, and the specific meaning of the above-mentioned term in the utility model can be understood according to the specific circumstances by the ordinary skilled in the art.

[0032] The utility model and its implementation manner have been described above, and this description is not restrictive, and the embodiment shown in the drawings is only one of the embodiments of the utility model, and the actual structure is not limited thereto. In short, if the ordinary skilled in the art is inspired thereby, without departing from the creative purpose of the utility model, similar structural modes and embodiments are not creatively designed, which should belong to the protection scope of the utility model.

Claims

1. A continuous die casting forming apparatus for aluminum alloy castings, comprising a die casting table (1), characterized in that: The die-casting table (1) is fixedly provided with a first die-casting base (2) at one end, and a first die-casting plate (3) that is movable and matches the first die-casting base (2) is arranged above the die-casting table (1), a plurality of second die-casting bases (4) are fixedly arranged above the first die-casting plate (3), a second die-casting plate (5) that matches the second die-casting base (4) is arranged above the die-casting table (1) and above the first die-casting base (2), the second die-casting plate (5) is driven by an electric push rod I (6) fixedly arranged on the die-casting table (1), a first die-casting mold (7) is fixedly arranged on one side of the first die-casting plate (3) close to the first die-casting base (2), a second die-casting mold (8) is fixedly arranged on one side of the second die-casting plate (5) close to the second die-casting base (4), a first die-casting groove (9) and a second die-casting groove (10) that match the first die-casting mold (7) and the second die-casting mold (8) are respectively arranged on the first die-casting base (2) and the second die-casting base (4), a piston filling structure is arranged on the first die-casting plate (3), a filling pipe (11) is arranged on the side wall of the second die-casting base (4), and an ejection structure is arranged on the first die-casting base (2).

2. The continuous die casting molding apparatus for aluminum alloy castings according to claim 1, characterized by: The first die-casting plate (3) is driven by an electric guide rail (12) fixedly arranged on the die-casting table (1).

3. The continuous die casting apparatus for aluminum alloy castings according to claim 1, characterized in that: The piston filling structure comprises an electric piston (13) fixedly arranged on the first die-casting plate (3) away from the first die-casting base (2) and in communication with the first die-casting groove (9), and a feeding structure is arranged above the electric piston (13).

4. The continuous die casting apparatus for aluminum alloy castings according to claim 3, characterized in that: The feeding structure comprises a feeding pipe (14) and a feeding pipe (15), the feeding pipe (14) and the feeding pipe (15) are respectively fixedly arranged on the first die-casting plate (3) and the electric piston (13), the feeding pipe (14) is located directly above the feeding pipe (15), and a feeding hopper (16) in communication with the feeding pipe (15) is fixedly arranged on the upper end of the feeding pipe (15).

5. The continuous die casting apparatus for aluminum alloy castings according to claim 1, characterized by: A filling hole (17) in communication with the filling pipe (11) is arranged on the side wall of the second die-casting mold (8).

6. The continuous die casting apparatus for aluminum alloy castings according to claim 1, characterized by: The ejection structure comprises an electric push rod II (18) fixedly arranged on the die-casting table (1), a push plate (19) is fixedly arranged on the end of the electric push rod II (18) and passes through the side wall of the first die-casting base (2), and the push plate (19) is flush with the inner wall of the first die-casting groove (9).

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