CN-122007377-A - Extrusion casting equipment for aluminum magnesium alloy filling

Abstract

The invention discloses extrusion casting equipment for aluminum magnesium alloy filling, and relates to the technical field of die casting equipment. The invention comprises a base, wherein a supporting shell is arranged at the top of the base, an adjusting shell is arranged in the supporting shell, one side of the adjusting shell is communicated with a bottom die, one side of the bottom die is provided with a top die, one side of the base is provided with an adjusting assembly, and the adjusting assembly comprises a feeding pipe communicated with one side of the adjusting shell. According to the invention, the injection amount of the molten liquid is accurately controlled through the first adjusting plug, the second adjusting plug and the liquid injection groove in the adjusting assembly, the bottom die and the top die are preheated in advance through the preheating disc and the heater in the preheating assembly, the problems of rapid solidification, cold insulation and shrinkage cavity generation of the surface layer of the molten liquid caused by low temperature of the die are effectively solved, and automatic demoulding is realized through a rotary structure driven by a servo motor in cooperation with the ejector pin, the adjusting plate and the adjusting shaft in the ejection assembly, so that the quality of finished products of aluminum magnesium alloy castings is improved.

Inventors

• WANG XIAO
• WANG YAO

Assignees

• 山西云镁科技有限公司

Dates

Publication Date

20260512

Application Date

20260330

Claims (10)

1. 1. The extrusion casting equipment for aluminum magnesium alloy filling comprises a base (1) and is characterized in that a supporting shell (2) is arranged at the top of the base (1), an adjusting shell (3) is arranged in the supporting shell (2), one side of the adjusting shell (3) is communicated with a bottom die (4), and a top die (5) is arranged on one side of the bottom die (4); an adjusting component (6) is arranged on one side of the base (1), the adjusting component (6) comprises a feeding pipe (601) communicated with one side of the adjusting shell (3), a liquid injection groove (602) formed in the adjusting shell (3), a first hydraulic rod (603) arranged at the top of the adjusting shell (3), a second hydraulic rod (604) arranged at the bottom of the adjusting shell (3), a first adjusting plug (605) and a second adjusting plug (606) which are connected in the liquid injection groove (602) in a sliding mode, and quantitative molten liquid is injected into the bottom die (4) through the adjusting component (6); The preheating device comprises an adjusting shell (3), and is characterized in that a preheating assembly (7) is arranged on one side of the adjusting shell (3), the preheating assembly (7) comprises a driving motor (701) arranged on one side of the adjusting shell (3), a square rod (702) arranged at the output end of the driving motor (701), a preheating plate (703) arranged on one side of the square rod (702), a heater (704) arranged in the preheating plate (703) and a bottom die (4) and a top die (5) are preheated through the preheating assembly (7); The adjusting device is characterized in that an ejection assembly (8) is arranged on one side of the adjusting shell (3), the ejection assembly (8) comprises a thimble (801) which is connected to the inside of the bottom die (4) in a sliding mode, an adjusting plate (802) arranged on one side of the thimble (801), an adjusting shaft (803) arranged on one side of the adjusting plate (802) and an adjusting groove (804) arranged in the supporting shell (2) are formed, and the molded die is ejected out through the ejection assembly (8).
2. 2. The extrusion casting device for aluminum magnesium alloy mold filling according to claim 1, wherein the ejection assembly (8) further comprises supporting shafts (805) arranged on two sides of the adjusting shell (3), a first gear (806) arranged on the surface of the supporting shafts (805), a servo motor (807) arranged on one side of the supporting shell (2), and a second gear (808) arranged at the output end of the servo motor (807).
3. 3. The extrusion casting device for aluminum magnesium alloy mold filling according to claim 2, wherein one side of the first gear (806) is meshed with the second gear (808), the surface of the supporting shaft (805) is movably connected with the inner wall of the supporting shell (2) through a bearing, and the adjusting shaft (803) is slidably connected with the inner wall of the adjusting groove (804).
4. 4. The extrusion casting device for aluminum magnesium alloy filling according to claim 1, wherein a supporting frame (9) is fixedly connected to one side of the adjusting shell (3), a third hydraulic rod (10) is fixedly connected to one side of the supporting frame (9), and an output end of the third hydraulic rod (10) is fixedly connected with the top die (5).
5. 5. The extrusion casting device for aluminum magnesium alloy filling according to claim 1, wherein the surface of the square rod (702) is slidably connected with a movable sleeve (11), one side of the movable sleeve (11) is fixedly connected with a rotary plate (12), and the other side of the rotary plate (12) is fixedly connected with a preheating plate (703).
6. 6. The extrusion casting device for aluminum magnesium alloy mold filling according to claim 1, wherein a spring (13) is sleeved on the surface of the square rod (702), and one end of the spring (13) is fixedly connected with the movable sleeve (11).
7. 7. The extrusion casting device for aluminum magnesium alloy mold filling of claim 1, wherein one side of the feeding pipe (601) is communicated with a guide shell (14), an electric push rod (15) is movably connected to the top of the guide shell (14), an adjusting frame (16) is movably connected to the output end of the electric push rod (15), a sealing plate (17) is fixedly connected to the other end of the adjusting frame (16), and the bottom of the sealing plate (17) is movably connected with the guide shell (14).
8. 8. The extrusion casting device for aluminum magnesium alloy mold filling of claim 1, wherein the output end of the first hydraulic rod (603) is fixedly connected with a first adjusting plug (605), and the output end of the second hydraulic rod (604) is fixedly connected with a second adjusting plug (606).
9. 9. The extrusion casting device for aluminum magnesium alloy mold filling of claim 1, wherein a sliding block (18) is fixedly connected to the bottom of the adjusting plate (802), a transverse plate (19) is slidably connected to the surface of the sliding block (18), and one side of the transverse plate (19) is fixedly connected with the adjusting shell (3).
10. 10. The extrusion casting device for aluminum magnesium alloy mold filling of claim 4, wherein a sliding rod (20) is fixedly connected to one side of the top mold (5), a supporting plate (21) is slidably connected to the surface of the sliding rod (20), and one side of the supporting plate (21) is fixedly connected with the supporting frame (9).

Description

Extrusion casting equipment for aluminum magnesium alloy filling Technical Field The invention belongs to the technical field of die casting equipment, and particularly relates to extrusion casting equipment for aluminum magnesium alloy filling. Background The aluminum-magnesium alloy is a light alloy material formed by taking aluminum as a matrix and adding magnesium element, and has the advantages of low density, high specific strength, good corrosion resistance and the like. The addition of magnesium promotes the strength and rigidity of the alloy, and simultaneously keeps lower density, so that the aluminum magnesium alloy die-filling extrusion casting device has great advantages in weight reduction application, and is integrated molding equipment for injecting molten aluminum magnesium alloy into a die at high pressure and carrying out extrusion feeding. The equipment consists of a melting heat preservation furnace, a pressing and injecting system, a mould closing mechanism and a control system, and can realize the production process with high filling speed, sufficient feeding and compact structure. One chinese patent application (or patent) with publication No. CN223097970U discloses an extrusion casting device for aluminum magnesium alloy charging, which comprises a male die, an operation table, a female die, a melting furnace and an injection assembly, wherein the operation table is provided with a support frame, the support frame is provided with a first hydraulic cylinder, the male die is arranged on a hydraulic rod of the first hydraulic cylinder, the operation table is provided with a feeding cavity, the female die is arranged on the operation table, the lower end of the female die is provided with a feeding hole, the melting furnace is arranged on the operation table, the lower end of the melting furnace is provided with a discharging hole, and the injection assembly is arranged in the feeding cavity. The above device still has the following problems in the implementation: In the aluminum magnesium alloy die casting process, molten metal is pushed by a hydraulic cylinder and is injected into a die cavity at a high speed through a pouring system, but the temperature of the die is low, and after a high-temperature melt contacts a low-temperature die wall, the surface layer can be rapidly cooled or even solidified to form a hard shell. The method not only prevents the smooth flow of the molten metal, but also easily causes defects of cold insulation, flow marks, internal shrinkage cavities and the like on the surface of the casting, and seriously influences the molding uniformity and the quality of the finished product. To this end we provide an extrusion casting apparatus for aluminium magnesium alloy parting to solve the above problems. Disclosure of Invention The invention aims to provide extrusion casting equipment for aluminum magnesium alloy mold filling, which solves the problems that in the prior art, molten aluminum magnesium alloy is pushed into a mold for molding through a hydraulic cylinder by means of structural cooperation of an adjusting component, a preheating component and an ejection component, but the temperature of the mold is lower, and when the mold is directly injected, the high-temperature molten liquid surface layer is easy to solidify, so that the molding uniformity effect is affected. In order to solve the technical problems, the invention is realized by the following technical scheme. The invention relates to extrusion casting equipment for aluminum magnesium alloy filling, which comprises a base, wherein a supporting shell is arranged at the top of the base, an adjusting shell is arranged in the supporting shell, one side of the adjusting shell is communicated with a bottom die, one side of the bottom die is provided with a top die, one side of the base is provided with an adjusting assembly, the adjusting assembly comprises a feed pipe communicated with one side of the adjusting shell, a liquid injection groove formed in the adjusting shell, a first hydraulic rod arranged at the top of the adjusting shell, a second hydraulic rod arranged at the bottom of the adjusting shell, a first adjusting plug and a second adjusting plug which are in sliding connection with the liquid injection groove, quantitative molten liquid is injected into the bottom die through the adjusting assembly, one side of the adjusting shell is provided with a preheating assembly, the preheating assembly comprises a driving motor arranged at one side of the adjusting shell, a square rod arranged at the output end of the driving motor, a heater arranged at one side of the square rod, the bottom die and the top die are preheated through the preheating assembly, one side of the adjusting shell is provided with a top assembly, the top assembly comprises a first hydraulic rod arranged at the top die and a top die arranged at one side of the top die, the top assembly is in sliding connection with a top di