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CN-122007374-A - Automobile aluminum alloy part die-casting forming device

CN122007374ACN 122007374 ACN122007374 ACN 122007374ACN-122007374-A

Abstract

The invention discloses a die-casting forming device for an automobile aluminum alloy part, which relates to the field of automobile metal die-casting. In the demolding process, the movable mold is used as a driving force, the intermittent vibration component is used for intermittently impacting the ejection shell through the connecting rod and the driving frame of the pre-loosening vibration mold component, so that the ejection shell applies small-amplitude vibration to a workpiece to realize two-stage demolding of loosening and ejection, meanwhile, through the liquid storage cavity and the liquid pushing plate of the ejection lubrication component, demolding liquid is continuously fed between the workpiece and the mold cavity to lubricate while ejection is realized, friction is reduced, ejection force is uniformly distributed, and after the ejection shell moves to a maximum stroke, the ejection disc of the ejection separation component is driven to rotate through the demolding disc, the connecting cylinder, the sliding column and the spring through the liquid pushing plate and the crimping rotation component, so that the workpiece and the ejection shell are forced to separate and drop, and reliable workpiece taking is ensured.

Inventors

  • Cai Yuran
  • MAO ZHONGLIN
  • LEI JIANQIAO

Assignees

  • 东莞市鑫和精工有限公司

Dates

Publication Date
20260512
Application Date
20260328

Claims (8)

  1. 1. The automobile aluminum alloy part die-casting forming device comprises a die-casting machine body (1) and is characterized in that four guide rails (2) are arranged in the die-casting machine body (1), a fixed die (3) is fixedly arranged on the outer wall of each guide rail (2), a movable die (4) is slidably arranged on the outer wall of each guide rail (2), ejection holes (5) are symmetrically formed in one side of the fixed die (3) in a penetrating mode, and ejection shells (6) are slidably arranged on the inner walls of the ejection holes (5); The device is characterized in that pre-loosening vibration die components (7) are arranged on two sides of the movable die (4), the pre-loosening vibration die components (7) comprise connecting rods (701) fixedly connected to one side of the movable die (4), driving frames (702) are fixedly connected to the side walls of the other ends of the connecting rods (701), and in the demolding process, the driving frames (702) perform intermittent impact loosening on the ejection shells (6) through intermittent vibration components; An ejection lubrication part (8) is arranged in the ejection shell (6), the ejection lubrication part (8) comprises a liquid storage cavity (801) formed in the ejection shell (6), a liquid pushing plate (802) is attached to the inside of the liquid storage cavity (801) in a sliding manner, and in the demolding process, the driving frame (702) drives the liquid pushing plate (802) through an extrusion pushing assembly to continuously feed demolding liquid in the liquid storage cavity (801) between a workpiece and a mold cavity for lubrication; The inside of ejecting shell (6) is provided with drawing of patterns separation part (9), drawing of patterns separation part (9) are including drawing of patterns dish (901) of being connected at ejecting terminal surface rotation of ejecting shell (6), the rear end face fixedly connected with connecting cylinder (902) of drawing of patterns dish (901), and the inner wall sliding connection of connecting cylinder (902) has traveller (903), the rear end face fixedly connected with spring four (904) of traveller (903), after breaking away from the die cavity, push away liquid board (802) through crimping rotating assembly drive drawing of patterns dish (901) and rotate messenger's work piece and ejecting shell (6) and separate.
  2. 2. The apparatus for die casting an aluminum alloy part for an automobile according to claim 1, wherein the intermittent vibration unit comprises: The mounting cylinder (703) of fixed mounting in cover half (3) one side, the inner wall sliding connection of mounting cylinder (703) has bull stick one (704), and spiral groove (705) have been seted up to the outer wall of bull stick one (704), the rear end face rotation of ejecting shell (6) is connected with bull stick two (706), transmission belt group (707) are installed in the transmission between bull stick one (704) and bull stick two (706), and the same tip of bull stick one (704) and bull stick two (706) is fixed all to rotate and install connecting plate (708), drive frame (702) are through spiral groove (705) and bull stick one (704) cooperation transmission.
  3. 3. The automobile aluminum alloy part die-casting forming device according to claim 2, wherein the outer wall of the second rotating rod (706) is attached to and slidingly connected with a moving ring (709), the moving ring (709) is fixedly connected with a first spring (710) towards one end face of the ejection shell (6) at equal distance, the other end part of the first spring (710) is fixedly connected with a vibrating ring (711), the outer wall of the second rotating rod (706) is provided with a circulating groove (712) corresponding to the moving ring (709), the moving ring (709) is in matched transmission with the second rotating rod (706) through the circulating groove (712), the ejection shell (6) is fixedly connected with a limiting rod (713) towards one end face of the moving ring (709) at equal distance, and the inner walls of the moving ring (709) and the vibrating ring (711) are respectively in sliding connection with the outer wall of the limiting rod (713).
  4. 4. The device for die casting and forming the aluminum alloy parts of the automobile according to claim 2, wherein the outer wall of the first rotating rod (704) is provided with a linear guide groove (714), the inner wall of the linear guide groove (714) is in communication matching with the inner wall of the spiral groove (705), the inner wall of the mounting cylinder (703) is fixedly connected with a second spring (715), and the other end part of the second spring (715) is assembled with one end face of the first rotating rod (704) in a fitting way.
  5. 5. The apparatus for die casting aluminum alloy parts for automobiles according to any one of claims 1 to 4, wherein the extruding and pushing assembly comprises: the fixed connection is at slide bar (803) of push away liquid board (802) towards drive frame (702) one side, two the other tip of slide bar (803) passes the inside extension to outside of ejecting shell (6), the extension end fixedly connected with go-between (804) of slide bar (803), the laminating of the extension end outer wall of slide bar (803) is provided with spring three (805), one end fixed connection of spring three (805) is at one side outer wall of ejecting shell (6), and the other tip fixed connection of spring three (805) is at one end face of go-between (804), through-hole (806) have been seted up in the equidistance of the front end outer wall of ejecting shell (6) run through.
  6. 6. The apparatus for die casting an aluminum alloy article for automobiles according to claim 5, the crimping rotary component is characterized by comprising: The clamping plate (905) is fixedly connected to one end face, facing the liquid pushing plate (802), of the sliding column (903), one end portion of the spring IV (904) is fixedly connected to the inner wall of the connecting cylinder (902), fixing rods (906) are symmetrically and fixedly connected to the outer wall of the sliding column (903), and inclined grooves (907) are symmetrically formed in the outer wall of the connecting cylinder (902) corresponding to the fixing rods (906).
  7. 7. The device for die-casting and forming the aluminum alloy parts of the automobile according to claim 6, wherein a clamping groove (908) is formed in one side, facing the demolding disc (901), of the liquid pushing plate (802) corresponding to the clamping plate (905), the shape of the clamping plate (905) is matched and attached with the inner wall of the clamping groove (908), and positioning blocks (909) are fixedly connected to two sides of the rear end of the ejection shell (6).
  8. 8. The automobile aluminum alloy part die-casting forming device according to claim 1, wherein a driving push rod (10) is fixedly arranged on one side of the movable die (4), and an injection tube (11) is fixedly arranged on one side of the fixed die (3).

Description

Automobile aluminum alloy part die-casting forming device Technical Field The invention relates to the field of automobile metal die casting, in particular to an automobile aluminum alloy part die casting forming device. Background The automobile aluminum alloy die casting forming device is mainly concentrated on the development of automobile light-weight technology, in particular to aluminum alloy integrated die casting technology. The technology is used for injecting molten aluminum alloy into a die through high pressure, rapidly cooling and solidifying to manufacture parts with complex shapes, and is suitable for producing lightweight automobile parts. The aluminum alloy integrated die casting technology can reduce the number of parts and production procedures, improve the manufacturing efficiency and the product quality, and simultaneously realize the integration of structural performance and light weight advantages. In the actual aluminum alloy die casting production process, various problems often occur in the demolding link, the existing die casting machine is used for demolding an ejection component, the ejection demolding operation of the ejection component needs to be controlled and implemented by an automatic control system additionally provided with a driving force unit and the driving force unit, the overall manufacturing cost and operation and maintenance cost of the die casting machine can be increased by additionally provided with the driving force unit and the automatic control system, and the tightening force of each part is not uniform for castings with complex structures due to an integrated die casting mode, the traditional die ejection process has extremely high instantaneous acceleration, and impact force directly acts on weak parts (such as root parts and thin wall parts of reinforcing ribs) of a workpiece, so that the stress concentration exceeds the material strength limit to cause cracks or deformation, and the quality of formed aluminum alloy parts is difficult to ensure. Disclosure of Invention The invention aims to provide an automobile aluminum alloy part die-casting forming device which is used for solving the problems in the background technology. In order to achieve the above purpose, the invention provides an automobile aluminum alloy part die-casting forming device, which comprises a die-casting machine body, wherein four guide rails are arranged in the die-casting machine body, a fixed die is fixedly arranged on the outer wall of each guide rail, a movable die is slidably arranged on the outer wall of each guide rail, ejection holes are symmetrically formed in one side of the fixed die in a penetrating manner, and an ejection shell is slidably arranged on the inner wall of each ejection hole; The device comprises a movable mould, a pre-loosening vibration mould part, a driving frame, a pre-loosening vibration mould part and a pre-loosening vibration mould part, wherein the pre-loosening vibration mould part is arranged on two sides of the movable mould and comprises a connecting rod fixedly connected to one side of the movable mould; The inner part of the ejection shell is provided with an ejection lubricating part, the ejection lubricating part comprises a liquid storage cavity formed in the ejection shell, a liquid pushing plate is bonded and connected in a sliding manner in the liquid storage cavity, and in the demolding process, the driving frame drives the liquid pushing plate to continuously send demolding liquid in the liquid storage cavity between a workpiece and a mold cavity for lubrication through the extrusion pushing assembly; The inside of ejecting shell is provided with the drawing of patterns separation part, the drawing of patterns separation part includes the drawing of patterns dish of being connected at ejecting shell top terminal surface rotation, the rear end face fixedly connected with connecting cylinder of drawing of patterns dish, and the inner wall sliding connection of connecting cylinder has the traveller, the rear end face fixedly connected with spring of traveller is four, after breaking away from the die cavity, the ejector pad drives the drawing of patterns dish through crimping rotating assembly and rotates and make work piece and ejecting shell separate. Preferably, the intermittent vibration assembly includes: The fixed mounting is in the installation section of thick bamboo of cover half one side, the inner wall sliding connection of installation section of thick bamboo has bull stick one, and the helicla flute has been seted up to the outer wall of bull stick one, the rear end face rotation of ejecting shell is connected with bull stick two, the transmission is installed to the transmission belt group between bull stick one and the bull stick two, and the same tip fixed of bull stick one and bull stick two all rotates and install the connecting plate, the drive frame passes through helicla flute and bull stick one cooperation transmi