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CN-121972630-A - Aluminum alloy auxiliary die casting die

CN121972630ACN 121972630 ACN121972630 ACN 121972630ACN-121972630-A

Abstract

The invention discloses an aluminum alloy auxiliary die casting die, which relates to the technical field of metal casting and comprises a die injection mechanism, wherein a lower die mechanism is arranged at the end part of the die injection mechanism, an upper die mechanism is arranged at the top of the lower die mechanism, and cooling mechanisms are arranged in the lower die mechanism and the upper die mechanism. According to the invention, the upper die and the lower die are closed, then the injection mechanism is used for injecting molten metal, the molten metal fills the casting cavity and then flows into the overflow hole, cold dirt molten metal fills the overflow hole, air is discharged through the exhaust hole, the metal residues are intercepted by the interception claw, the fan blade rotates to guide the air to flow out, when the fan blade rotates, the attraction magnet attracts the impact magnet to deform the elastic sheet, the impact slider is impacted after separation, the slider impacts the vibrating piece to generate vibration, the air in the molten metal is separated, when the vacuum environment is needed, the gear ring rotates, the upper blade blocks the gap of the lower blade to achieve sealing, the air suction hole can suck air, after the molten metal fills the casting cavity, the cooling mechanism is used for accelerating solidification, the upper die body is lifted after solidification, and the demolding ejector post ejects the casting to complete demolding.

Inventors

  • LI QUAN
  • XIE JIPENG

Assignees

  • 上海嘉晨兴信息科技有限公司

Dates

Publication Date
20260505
Application Date
20260319

Claims (10)

  1. 1. An aluminum alloy auxiliary die casting die comprises a die injection mechanism (1), and is characterized in that a lower die mechanism (2) is mounted at the end of the die injection mechanism (1), an upper die mechanism (3) is arranged at the top of the lower die mechanism (2), a cooling mechanism (4) is arranged inside the lower die mechanism (2) and the upper die mechanism (3), the lower die mechanism (2) comprises a supporting part (21), the surface of the supporting part (21) is in contact with the surface of the die injection mechanism (1), a jacking part (22) is arranged inside the supporting part (21), the upper die mechanism (3) comprises a pressing part (31), an overflow part (32) is mounted inside the pressing part (31), an exhaust part (33) is arranged at the top of the overflow part (32), a sealing part (34) is mounted at the top of the exhaust part (33), and a vibration part (35) is arranged on the side surface of the exhaust part (33).
  2. 2. The aluminum alloy auxiliary die casting die set of claim 1, wherein the supporting part (21) comprises a lower die body (211), the top surface of the lower die body (211) is fixed with the outer surface of the injection mechanism (1), an upright post (212) is fixedly connected to the top of the lower die body (211), a filling cavity (213) is formed in the lower die body (211), and a lower casting cavity (214) is formed in the surface of the lower die body (211).
  3. 3. The aluminum alloy auxiliary pressure casting die set of claim 2, wherein the jacking component (22) comprises a jacking push rod (221), one end of the jacking push rod (221) is fixed with the inner wall of the filling cavity (213), a supporting plate (225) is fixedly connected with the outer surface of the filling cavity (213), one end of the jacking push rod (221) far away from the supporting plate (225) is fixedly connected with a top plate (222), a limit frame (223) is movably connected with the side surface of the top plate (222), the outer surface of the limit frame (223) is fixed with the inner wall of the filling cavity (213), a demolding top column (224) is fixedly connected with one side of the top plate (222) far away from the limit frame (223), and the outer surface of the demolding top column (224) slides with the inner wall of the lower die body (211).
  4. 4. The aluminum alloy auxiliary die casting mold as claimed in claim 3, wherein the pressing part (31) comprises an upper mold body (311), the bottom of the upper mold body (311) is movably connected with the top of the lower mold body (211), an upper casting cavity (312) and a column groove (314) are formed in the surface of the upper mold body (311), a casting hole column (313) is fixedly connected to the inner wall of the upper casting cavity (312), the end part of the casting hole column (313) is movably connected with the inner wall of the lower casting cavity (214), the outer surface of the upper mold body (311) is movably connected with the outer surface of the injection mechanism (1), and the inner wall of the column groove (314) slides with the outer surface of the upright column (212).
  5. 5. The aluminum alloy auxiliary pressure casting die set as claimed in claim 4, wherein the overflow part (32) comprises an overflow hole (321), the overflow hole (321) is formed in the upper die body (311), an exhaust hole (322) is formed in the upper die body (311), and an interception claw (323) is fixedly connected to the inner wall of the exhaust hole (322).
  6. 6. The aluminum alloy auxiliary pressure casting die set of claim 5, wherein the exhaust component (33) comprises an air cavity (331), the air cavity (331) is arranged inside the upper die body (311), an air suction hole (339) is formed in the inner wall of the air cavity (331), the air suction hole (339) penetrates through the inner side of the upper die body (311), a lower embedded ring (332) is fixedly connected to the inner wall of the air cavity (331), an upper embedded ring (333) is rotationally connected to the top of the lower embedded ring (332), a fan blade (337) is fixedly connected to the inner side of the upper embedded ring (333), a connecting ring (336) is fixedly connected to one end, far away from the lower embedded ring (332), of the fan blade (337) is rotationally connected with an inner ring (334), a connecting rod (338) is fixedly connected to the outer surface of the inner ring (334), one end, far away from the inner ring (334), of the connecting rod (338) is fixedly connected with the inner side of the lower embedded ring (332), a round block is fixedly connected to the inner side of the inner ring (334), a round block is fixedly connected to the end of the motor (335), and the end of the motor (335) is fixedly connected with the outer surface of the inner ring (334), and the outer surface of the inner ring (334) is fixedly connected with the outer surface of the driving cylinder.
  7. 7. The aluminum alloy auxiliary pressure casting die set of claim 6, wherein the vibration part (35) comprises a vibration chamber (351), the vibration chamber (351) is arranged inside the upper die body (311), an elastic sheet (352) is fixedly connected to the inner wall of the vibration chamber (351), a striking magnet (353) is fixedly connected to the end part of the elastic sheet (352), a magnet (354) is fixedly connected to the surface of the upper embedded ring (333), a sliding frame (355) is fixedly connected to the inner wall of the vibration chamber (351), a control piece (356) is connected to the inner side of the sliding frame (355) in a sliding manner, a striking sliding block (357) is fixedly connected to one end, far away from the sliding frame (355), of the control piece (356) is connected to the bottom of the striking sliding block (357) in a sliding manner with the inner wall of the vibration chamber (351), a sliding groove is formed in the bottom of the vibration chamber (351), a guide rail is connected to the inner wall of the sliding manner, an outer surface of the guide rail is fixedly connected to the inner wall of the vibration chamber (351), a vibrating piece (358) is fixedly connected to the inner wall of the vibration chamber (351), and the guide rail is arranged on the outer surface of the vibrating piece (358) in a movable mode.
  8. 8. The aluminum alloy auxiliary die casting die set of claim 7, wherein the sealing part (34) comprises a lower blade (341), the outer surface of the lower blade (341) is fixed with the inner wall of the air cavity (331), the top of the lower blade (341) is rotationally connected with an upper blade (342), the outer surface of the upper blade (342) is fixedly connected with a gear ring (343), the outer surface of the gear ring (343) is meshed with a rack block (344), the outer surface of the rack block (344) slides with the inner wall of the upper die body (311), a connecting block (345) is fixedly connected with one side, far away from the lower blade (341), of the rack block (344), an adjusting push rod (346) is fixedly connected with the outer surface of the adjusting push rod (346), the outer surface of the locking block (347) is fixed with the inner wall of the upper die body (311).
  9. 9. The aluminum alloy auxiliary die casting die set as claimed in claim 8, wherein the cooling mechanism (4) comprises a lower die cooling pipe (41) and an upper die filling pipe (42), the outer surfaces of the lower die cooling pipe (41) and the annular cavity pipe (43) are fixed with the inner wall of the lower die body (211), the end part of the upper die filling pipe (42) is fixedly connected with a liquid flowing pipe (44), and the outer surfaces of the upper die filling pipe (42) and the annular cavity pipe (43) are fixed with the inner wall of the upper die body (311).
  10. 10. The aluminum alloy auxiliary die casting mold as recited in claim 9, wherein the overflow part (32) is arranged on the inner side of the liquid flow pipe (44), the lower casting cavity (214) is arranged on the inner side of the lower die cooling pipe (41), and the outer surface of the annular cavity pipe (43) is movably connected with the outer surface of the top plate (222).

Description

Aluminum alloy auxiliary die casting die Technical Field The invention relates to the technical field of metal casting, in particular to an aluminum alloy auxiliary pressure casting die. Background The auxiliary casting of aluminum alloy is a precision casting process developed on the basis of traditional casting, improves the forming quality and mechanical property of aluminum alloy by applying auxiliary pressure in the metal liquid filling or solidifying stage, and is widely applied to the fields of automobiles, aerospace, medical appliances and the like with higher requirements on the precision and strength of parts. The aluminum alloy auxiliary die casting exhaust system is coarse in design, depends on a simple exhaust groove, cannot efficiently exhaust air in a casting cavity, is particularly easy to form air blocking at a complex cavity part, so that the defects of air holes, shrinkage porosity and the like of a casting are caused, the mechanical property is seriously influenced, air bubbles mixed in a metal liquid in the filling process are difficult to exhaust through the self structure of a die, the problem of porosity often occurs in the central area of a thick-wall casting due to air retention, and the compactness cannot be ensured. Disclosure of Invention The invention aims to provide an aluminum alloy auxiliary die casting die for solving the problems in the background technology. In order to solve the technical problems, the invention adopts the following technical scheme: The utility model provides an aluminum alloy assists die casting mould, includes and shoots the mechanism, lower mould mechanism is installed to the tip of penetrating the mechanism, lower mould mechanism's top is provided with mould mechanism, lower mould mechanism and the inside of last mould mechanism are provided with cooling body, lower mould mechanism includes supporting part, supporting part's surface contacts with the surface of penetrating the mechanism, supporting part's inside is provided with jack-up part, go up mould mechanism and include the pressfitting part, the pressfitting part sets up at supporting part's top, pressfitting part's internally mounted has overflow part, overflow part's top is provided with exhaust part, seal part is installed at exhaust part's top, exhaust part's side is provided with vibrating part overflow part and deposits overflows cold dirty metal liquid, exhaust part guide air current. The technical scheme of the invention is further improved in that the supporting part comprises a lower die body, the top surface of the lower die body is fixed with the outer surface of the injection mechanism, the top of the lower die body is fixedly connected with a stand column, a filling cavity is formed in the lower die body, a lower casting cavity is formed in the surface of the lower die body, and the filling cavity is used for setting an expanding structure. The technical scheme of the invention is further improved in that the jacking component comprises a jacking push rod, one end of the jacking push rod is fixed with the inner wall of the filling cavity, the outer surface of the filling cavity is fixedly connected with a supporting plate, one end of the jacking push rod far away from the supporting plate is fixedly connected with a top plate, the side face of the top plate is movably connected with a limiting frame, the outer surface of the limiting frame is fixed with the inner wall of the filling cavity, one side of the top plate far away from the limiting frame is fixedly connected with a demolding top column, the outer surface of the demolding top column slides with the inner wall of the lower mold body, and the limiting frame limits the shrinkage range of the jacking push rod. The technical scheme of the invention is further improved in that the pressing part comprises an upper die body, the bottom of the upper die body is movably connected with the top of the lower die body, an upper casting cavity and a column groove are formed in the surface of the upper die body, a casting hole column is fixedly connected to the inner wall of the upper casting cavity, the end part of the casting hole column is movably connected with the inner wall of the lower casting cavity, the outer surface of the upper die body is movably connected with the outer surface of the injection mechanism, the inner wall of the column groove slides with the outer surface of the column, and the column is embedded into the column groove after the upper die body and the lower die body are pressed. The technical scheme of the invention is further improved in that the overflow part comprises an overflow hole, the overflow hole is formed in the upper die body, an exhaust hole is formed in the upper die body, the inner wall of the exhaust hole is fixedly connected with an interception claw, gas flows from the inside of the overflow hole to the exhaust hole, and the interception claw in the exhaust hole prevents metal residues fro